diff options
Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 9665 |
1 files changed, 9653 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d7d849048b2..a7e32fa1725 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9644 @@ +Sat Mar 27 16:13:50 1999 Jeffrey A Law (law@cygnus.com) + + * flow.c (mark_used_regs): Improve handling of ASMs. + +1999-03-26 Zack Weinberg <zack@rabi.columbia.edu> + + * Makefile.in (xcpp, cppspec.o): New targets. + (CPP_INSTALL_NAME): New macro. + (install-cpp): Install xcpp. Use CPP_INSTALL_NAME. + (all.build, start.encap): Build xcpp. + + * cppspec.c: New file, implements argument filtering for a + user-visible C preprocessor. + * cpp.sh: Removed. + +Fri Mar 26 20:41:46 1999 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (stmp-fixinc): Use tooldir instead of gcc_tooldir. + +Fri Mar 26 16:02:37 1999 Nick Clifton <nickc@cygnus.com> + + * configure.in (arm-*-vxworks*): Just include arm/vxarm.h + * configure: Regenerate. + * config/arm/vxarm.h: Define SUBTARGET_CPU_DEFAULT before + including arm/coff.h + +1999-02-16 Scott Bambrough <scottb@corelcomputer.com> + + * configure.in (arm*-*-linux-gnu*): Set thread_file to 'posix' if + --enable-threads[={yes,pthreads,posix}] is passed as a command + line parameter to configure. + + * configure: Regenerate. + + * gcc/config/arm/t-linux (TARGET_LIBGCC2_CFLAGS): Include -fPIC. + +Fri Mar 26 19:42:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (combine_givs): Fix index into can_combine when doing + benefit adjustment for remaining givs when having combined a giv. + +Fri Mar 26 11:38:01 1999 Nick Clifton <nickc@cygnus.com> + + * config/arm/t-arm-elf (EXTRA_MULTILIB_PARTS): Define. + +Fri Mar 26 10:48:27 1999 Nick Clifton <nickc@cygnus.com> + + * config/arm/linux-elf.h: Include dbxelf.h + +Fri Mar 26 10:43:47 1999 Nick Clifton <nickc@cygnus.com> + + * config/svr4.h: Include new header file dbxelf.h. + (DBX_DEBUGGING_INFO): Remove definition. + (DBX_USE_BINCL): Remove definition. + (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition. + (ASM_IDENTIFY_GCC): Remove definition. + (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition. + (ASM_OUTPUT_SOURCE_LINE): Remove definition. + (DBX_FUNCTION_FIRST): Remove definition. + (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Remove definition. + + * config/elfos.h: Include new header file dbxelf.h. + (DBX_DEBUGGING_INFO): Remove definition. + (DBX_BLOCKS_FUNCTION_RELATIVE): Remove definition. + (ASM_IDENTIFY_GCC): Remove definition. + (ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove definition. + (ASM_OUTPUT_SOURCE_LINE): Remove definition. + (DBX_FUNCTION_FIRST): Remove definition. + + * config/dbxelf.h: New header file. + (DBX_DEBUGGING_INFO): Define. + (DBX_BLOCKS_FUNCTION_RELATIVE): Define. + (DBX_FUNCTION_FIRST): Define. + (DBX_USE_BINCL): Define. + (DBX_CONTIN_LENGTH): Define. + (ASM_IDENTIFY_GCC): Define. + (ASM_IDENTIFY_GCC_AFTER_SOURCE): Define. + (ASM_OUTPUT_SOURCE_LINE): Define. + (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define. + +Fri Mar 26 01:59:15 1999 "Charles M. Hannum" <root@ihack.net> + + * fold-const.c (fold_truthop): Optimize bitfield references with + different masks as long as their size and bit position are the same. + + * fold-const.c (fold_truthop): Build a type for both the lhs and + rhs and use it appropriately. + + * fold-const.c (fold_truthop): Mask the lhs and rhs after merging + adjacent bitfield references. + + * fold-const.c (fold_truthop): Verify that the lhs and rhs are + in the same bit position when optimizing bitfield references + which have the same mask. + +Thu Mar 25 22:53:27 1999 Martin von Löwis <loewis@informatik.hu-berlin.de> + + * gcc.texi (Copy Assignment): New node. + +1999-03-25 Zack Weinberg <zack@rabi.columbia.edu> + + * gcc.c: Compile unconditionally all code formerly dependent + on #ifdef LANG_SPECIFIC_DRIVER. + * gccspec.c: New file with stub lang_specific_driver, + lang_specific_pre_link. + * Makefile.in: Link gccspec.o into xgcc. Add rule to compile + +Thu Mar 25 21:08:02 1999 Jason Merrill <jason@yorick.cygnus.com> + + * gcc.texi (Temporaries): Update. + +Thu Mar 25 16:53:53 1999 Richard Henderson <rth@cygnus.com> + + * combine.c (distribute_notes): Place REG_LABEL also where + REG_EQUAL indicates. + +Thu Mar 25 12:46:37 1999 Jim Wilson <wilson@cygnus.com> + + * a29k/a29k.h (TARGET_SWITCHES): Add doc strings. + * i960/i960.h (TARGET_SWITCHES): Add doc strings. + * invoke.texi (a29k): Add documentation for -mno-multm option. + +Thu Mar 25 14:04:54 EST 1999 Andrew MacLeod <amacleod@cygnus.com> + + * rtl.texi (RTX_FRAME_RELATED_P): Add documentation. + * rtl.h (struct rtx_def): Update comment for frame_related field. + (set_unique_reg_note): Declare prototype. + * dwarf2out.c (dwarf2out_frame_debug_expr): Split out from + 'dwarf2out_frame_debug' to handle only expressions, and process + component parts of a PARALLEL expression. + (dwarf2out_frame_debug): Process insns only, and call + new function 'dwarf2out_frame_debug_expr' for patterns. + * emit-rtl.c (set_unique_reg_note): New function to add a reg note, + but if there is an existingone, deletes it first. + * expmed.c (expand_mult, expand_divmod): Use set_unique_reg_note. + * optabs.c (add_equal_note, expand_binop): Use set_unique_reg_note. + (emit_no_conflict_block, emit_libcall_block): Use set_unique_reg_note. + (expand_fix): Use set_unique_reg_note. + +Thu Mar 25 11:47:49 1999 Art Haas <ahaas@neosoft.com> + + * tlink.c (symbol_hash_newfunc): Remove redundant call to + hash_newfunc. + (file_hash_newfunc, demangled_hash_newfunc): Likewise. + +Thu Mar 25 10:05:56 1999 Richard Henderson <rth@cygnus.com> + + * i386.h (PREFERRED_STACK_BOUNDARY): Set to 128. + +1999-03-25 Philip Blundell <pb@nexus.co.uk> + + Based on patch from Jim Studt <jim@federated.com>: + * config/arm/linux-elf.h (STARTFILE_SPEC, ENDFILE_SPEC): Copy + definitions from config/linux.h. + (DBX_BLOCKS_FUNCTION_RELATIVE): Define to 1. + +Thu Mar 25 02:12:42 1999 Finn Hakansson <finn@axis.com> + + * loop.c (strength_reduce): Correct a comment. + + * rtl.h (MEM_COPY_ATTRIBUTES): Remove unnecessary ending backslash. + +Thu Mar 25 02:02:13 1999 Axel Thimm <Axel.Thimm@physik.fu-berlin.de> + + * Makefile.in (RANLIB_TEST): Improve test. + +Thu Mar 25 01:15:33 1999 Donn Terry <donn@interix.com> + + * combine.c (force_to_mode, case PLUS): Use sign extended mask + when masking the low bits out of a constant. + +Tue Mar 23 15:45:25 1999 Richard Earnshaw (rearnsha@arm.com) + Jeff Law <law@cygnus.com> + + * fold-const.c (make_range): If orig_type is unset, set it as soon + as we know the type. Remove now unnecessary set of orig_type for + conversions. + +Wed Mar 24 23:27:25 1999 Mark Elbrecht <snowball3@usa.net> + Jeff Law <law@cygnus.com> + + * system.h (STDIN_FILENO): Provide default definition if one is not + provided by the system header files. + (STDOUT_FILENO, STDERR_FILENO): Likewise. + + * i386/xm-djgpp.h (COLLECT2_HOST_INITIALIZATION): New macro. + * collect2.c (main): Use it. + (pexecute_pid): New variable. Holds return value from call to pexecute. + (collect2_execute): Rework to use pexecute instead of fork. + (collect2_wait): Use pwait() instead of wait(). + + * i386/djgpp.h: Fix typo. + +Wed Mar 24 23:24:30 1999 Jeffrey A Law (law@cygnus.com) + + * fixinc/mkfixinc.sh: Recognize cygwin* instead of only + cygwin32. + +Wed Mar 24 15:44:12 1999 Nick Clifton <nickc@cygnus.com> + + * config/m32r/m32r.c (init_idents): Accept both NAME and __NAME__ + versions of attribute names and values. + (m32r_valid_machine_decl_attribute): Ditto. + (m32r_encode_section_info): Ditto. + +Wed Mar 24 21:42:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (choose_reload_regs): If output-reloading for a + simple move insn, try to inherit an equivalence for the input. + +1999-02-24 Mike Stump <mrs@wrs.com> + + * arm/aout.h (DBX_OUTPUT_MAIN_SOURCE_FILENAME): Fix quoting. + +1999-03-24 Jim Blandy <jimb@zwingli.cygnus.com> + + * libgcc2.c (__CTOR_LIST__, __DTOR_LIST__): Initialize on all + platforms. + +Wed Mar 24 01:35:01 1999 Geoff Keating <geoffk@ozemail.com.au> + + * fold-const.c (fold): Recognise a rotate by an unsigned amount. + +Tue Mar 23 23:32:14 1999 Jeffrey A Law (law@cygnus.com) + + * pa.md (rotlsi3): New expander. Synthesize a variable rotate + left using a variable rotate right. Provide anonymous pattern for + rotate left by a constant value. + + * expr.c (expand_assignment): Do not try to optimize a aggregate + address which has VOIDmode. + +Tue Mar 23 22:51:48 1999 Mumit Khan <khan@xraylith.wisc.edu> + Donn Terry <donn@interix.com> + + * protoize.c (abspath): Preserve multiple leading slashes for + _WIN32 and Interix. + +1999-01-23 Mike Stump <mrs@wrs.com> + + * arm/vxarm.h: Split out vxWorks support into separate headerfile + and vxify. + * arm/arm.c (cpu_defaults): Allow arm710 as default. + + * configure.in: Split out vxWorks support for Arm. + * configure: Rebuilt. + +Tue Mar 23 11:20:03 1999 Per Bothner <bothner@cygnus.com> + + * tree.c (first_rtl_op, has_cleanups): Handle GOTO_SUBROUTINE_EXPR. + +Tue Mar 23 09:00:39 1999 Nick Clifton <nickc@cygnus.com> + + * config/arm/riscix1.h (SUBTARGET_SWITCHES): Add doc string. + * config/arm/riscix1-1.h (SUBTARGET_SWITCHES): Add doc string. + +Tue Mar 23 07:50:20 1999 Mark Mitchell <mark@codesourcery.com> + + * function.c: Include hash.h. + (insns_for_mem_entry): New struct. + (put_reg_into_stack): Take an optional hash-table mapping MEMs to + the INSNs that use them. + (fixup_var_refs): Likewise. + (put_addressof_into_stack): Likewise. + (purge_addressof_1): Likewise. Keep the hash-table up to date if + we add new instructions. + (fixup_var_refs_insns): Use it to avoid searching the entire + instruction chain. + (insns_for_mem_newfunc): New function. + (insns_for_mem_comp): Likewise. + (insns_for_mem_walk): Likewise. + (compute_insns_for_mem): Likewise. + (pop_function_context_from): Pass NULL for the hash-table. + (put_var_into_stack): Likewise. + (gen_mem_addressof): Likewise. + (flush_addressof): Likewise. + (purge_addressof): Call compute_insns_for_mem to pre-compute the + hash table. + * Makefile.in (OBJS): Include hash.o. + (function.o): Depend on hash.h. + +Tue Mar 23 00:39:14 1999 Jeffrey A Law (law@cygnus.com) + + * i386/openbsd.h (TARGET_DEFAULT): Use symbolic names instead of + numbers. + * i386/netbsd.h, i386/freebsd.h: Likewise. + + * crtstuff.c: Use ANSI function definitions. Fix minor whitespace + problems. + + * i386/openbsd.h (TARGET_DEFAULT): Define. + * configure.in: Do not set TARGET_CPU_DEFAULT for x86 OpenBSD + configurations. + * configure: Rebuilt. + +Tue Mar 23 00:39:10 1999 John Wehle (john@feith.com) + + * i386/freebsd.h (TARGET_DEFAULT): Define instead + of TARGET_CPU_DEFAULT. + * i386/netbsd.h (TARGET_DEFAULT): Likewise. + +Mon Mar 22 23:52:01 1999 Mumit Khan <khan@xraylith.wisc.edu> + Donn Terry <donn@interix.com> + + * sdbout.c (syms.h): Don't include on Interix. + * toplev.c (main): No sbrk on Interix. + + * configure.in: Add i386-pc-interix support. + * configure: Regenerate. + * fixinc.interix: New file. + * config/interix.h: New file. + * config/x-interix: New file. + * config/xm-interix.h: New file. + * i386/interix.h: New file. + * i386/interix.c: New file. + * i386/t-interix: New file. + +Mon Mar 22 23:41:49 1999 Jeffrey A Law (law@cygnus.com) + + * i386.h (PREFERRED_STACK_BOUNDARY): Define. + +Mon Mar 22 23:41:31 1999 John Wehle (john@feith.com) + + * i386.c (ix86_compute_frame_size): New function. + (ix86_prologue, ix86_epilogue): Use it. + * i386.h (INITIAL_ELIMINATION_OFFSET): Likewise. + * reload1.c: Provide default for PREFERRED_STACK_BOUNDARY. + +Mon Mar 22 18:06:59 1999 Jim Wilson <wilson@cygnus.com> + + * mips/mips.h (TARGET_SWITCHES, TARGET_OPTIONS): Add option doc + strings. + * mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Likewise. + +Mon Mar 22 16:18:27 1999 Nick Clifton <nickc@cygnus.com> + + * config/arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother + passing ATTRIBUTES to arm_valid_machine_decl_attribute. + + * config/arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Do not bother + passing ATTRIBUTES to arm_valid_machine_decl_attribute. + + * config/arm/arm.h (DEFAULT_RTX_COSTS): Do not bother passing + OUTER_CODE to arm_rtx_costs - it is not used. + (arm_compare_fp): Delete declaration. + (FINAL_PRESCAN_INSN): Do not bother passing OPVEC or NOPERANDS to + arm_final_prescan_insn - they are not used. + (const_ok_for_op): Remove prototype. + (arm_rtx_costs): Fix prototype. + (arm_valid_machine_decl_attribute): Fix prototype. + (final_prescan_insn): Fix prototype. + + * config/arm/arm.md: Remove references to arm_compare_fp. + + * config/arm/arm.c (arm_compare_fp): Delete. + (const_ok_for_op): Make function static. Add prototype. Remove + mode parameter - it is unused. + (arm_rtx_costs): Remove outer_code parameter. + (reload_memory_operand): Declare mode parameter unused. + (power_of_two_operand): Declare mode parameter unused. + (equality_operator): Declare mode parameter unused. + (load_multiple_operation): Declare mode parameter unused. + (store_multiple_operation): Declare mode parameter unused. + (multi_register_push): Declare mode parameter unused. + (arm_valid_machine_decl_attribute): Remove attributes parameter - + it is unused. + (select_dominance_cc_mode): Remove op parameter - it is unused. + (gen_compare_reg): Remove fp parameter - it is unused. + (final_prescan_insn): Remove opvec and noperands parameters - they + are unused. + +Mon Mar 22 14:35:28 1999 Nick Clifton <nickc@cygnus.com> + + * tm.texi (MD_SCHED_INIT): Add missing closing parenthesis. + +Mon Mar 22 22:24:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_as_needed): Set reload_is_output_reload / + reload_has_output_reload for auto_inc expressions that could be + reloaded. Call forget_old_reloads for REG_INC notes. + +Mon Mar 22 21:51:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * cse.c (cse_insn): Don't change the result register of a libcall. + +Mon Mar 22 21:08:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtl.h (shallow_copy_rtx): Declare. + * rtl.c (shallow_copy_rtx): New function. + * reload.c (find_reloads_toplev): Use shallow_copy_rtx instead of + copy_rtx. + +Mon Mar 22 10:44:33 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com> + + * config/h8300/h8300.md (adjust_length): New attribute. + (modhi3+1, andsi3+1, iorsi3+1, extzv+1, extzv+2): Change insn + default value of attribute "adjust_length" onto "no". + + * config/h8300/h8300.c (h8300_adjust_insn_length): Adust + length only if the attribute "adjust_length" value is "yes". + Use 0 if the shift is negative. + + * final.c (shorten_branches): Check insn length after its + adjusting. + +Sun Mar 21 17:33:48 1999 Jeffrey A Law (law@cygnus.com) + + * i860.h (TARGET_SWITCHES): Add documentation for default case. + * i860/paragon.h (TARGET_SWITCHES): Add documentation for default case. + * i370.h (TARGET_SWITCHES): Add documentation for default case. + * fx80.h (TARGET_SWITCHES): Add documentation for default case. + * elxsi.h (TARGET_SWITCHES): Add documentation for default case. + * clipper.h (TARGET_SWITCHES): Add documentation for default case. + * 1750a.h (TARGET_SWITCHES): Add documentation for default case. + * pa.h (TARGET_SWITCHES): Add documentation for default case. + (TARGET_OPTIONS): Likewise for default case. + * mn10300.h (TARGET_SWITCHES): Add documentation for default case. + * h8300.h (TARGET_SWITCHES): Add documentation for default case. + + * gcse.c (dump_hash_table): Fix whitespace in declaration. + (compute_transpout): Renamed from pre_compute_transpout. + (compute_pre_*): Deleted + (pre_expr_reaches_here_p): New argument, CHECK_PRE_COMP. All + callers changed. + (insert_insn_end_bb): Renamed from pre_insert_insn. + (pre_*): Delete unused variables. Only leave local properties and + global redundant/optimal computation points. + (alloc_pre_mem, free_pre_mem): Corresponding changes. + (compute_pre_data): Simplify and call pre_lcm to run the lazy + code motion dataflow analysis. + (pre_insert, pre_insert_copies, pre_delete): Revamp to use LCM + based redundant and optimal computation points. + + * basic-block.h (pre_lcm, pre_rev_lcm): Declare. + + * toplev.c (main): A debug option without a level defaults to + level 2. + +Sun Mar 21 12:13:01 1999 Nick Clifton <nickc@cygnus.com> + + * flow.c (can_delete_label_p): Do not allow user specified + labels to be deleted. + * dwarf2out.c (gen_label_die): Generate addresses for deleted + (programmer specified) labels. + * dwarfout.c (output_label_die): Generate addresses for deleted + (programmer specified) labels. + +1999-03-21 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (xgcc$(exeext)): Add intl.o to list of files to be + linked with. + +Sun Mar 21 01:15:03 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Mar 20 22:26:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.h (TARGET_SWITCHES): Add null description to default case. + +Sat Mar 20 21:46:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-lex.c (yylex): Remove unused variable `bytes'. + + * flow.c (print_rtl_with_bb): Cast the return value of alloca. + + * function.c (assign_parms): Wrap variable `varargs_setup' in + macro SETUP_INCOMING_VARARGS. + (thread_prologue_and_epilogue_insns): Mark parameter `f' with + ATTRIBUTE_UNUSED. + + * local-alloc.c (no_equiv): Likewise for parameter `store'. + + * sched.c (schedule_insns): Remove unused variables `insn' and `next'. + + * tlink.c (symbol_hash_newfunc, symbol_hash_lookup, + file_hash_newfunc, file_hash_lookup, demangled_hash_newfunc, + demangled_hash_lookup, symbol_push, symbol_pop, file_push, + file_pop, tlink_init, tlink_execute, frob_extension, + obstack_fgets, tfgets, pfgets, freadsym, read_repo_file, + maybe_tweak, recompile_files, read_repo_files, + demangle_new_symbols, scan_linker_output): Add static prototype. + + (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc): + Make the third argument a `hash_table_key'. + + * toplev.c (debug_start_source_file): Mark parameter `filename' + with ATTRIBUTE_UNUSED. + +Sun Mar 21 02:28:21 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * tm.texi (Varargs): Don't split argument of @item across lines. + + * invoke.texi: Fix use of @item vs @itemx. + +Sun Mar 21 09:59:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (TARGET_SWITCHES): Add null description to + default case. + +Sat Mar 20 23:33:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.c (check_dbra_loop): Fix debug message. + +Sat Mar 20 15:54:35 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (decrement_and_branch_on_count): Emit rptb_end + pattern instead of decrement_and_branch_until_zero pattern. + +Sat Mar 20 11:39:58 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (TARGET_SWITCHES): Add documentation. + * config/c4x/c4x.h (TARGET_OPTIONS): Add documentation. + +Fre Mar 19 23:26:29 1999 Martin von Löwis <loewis@informatik.hu-berlin.de> + + * expr.c (expand_expr): Handle ERROR_MARK much earlier. + +Fri Mar 19 15:28:38 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cccp.c (create_definition): Cast to U_CHAR* when assigning to one. + + * cppfiles.c (read_and_prescan): Likewise. + Start a #define in column 0. + + * cpplib.c (cpp_define): Cast to U_CHAR* when assigning to one. + (cpp_push_buffer): Likewise for cpp_buffer*. + (do_include): Change the type of `fbeg' and `fend' to unsigned char*. + (do_endif): Cast to char* when assigning to one. + (do_assert): Likewise. + (do_unassert): Likewise. + (cpp_read_check_assertion): Change the type of `name' to U_CHAR*. + Don't do unnecessary cast to char* anymore. + + * genrecog.c (make_insn_sequence): Cast to char** when assigning + to one. Cast the first argument of bzero to PTR. + + * loop.c (strength_reduce): Remove unused variable `note'. + + * reload1.c (new_insn_chain): Cast to struct insn_chain* when + assigning to one. + + * rtl.c (copy_rtx): Use memcpy instead of bcopy. + +Fri Mar 19 11:19:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * calls.c (initialize_argument_information): Mark parameters + `num_actuals' and `n_named_args' with ATTRIBUTE_UNUSED. + + * dbxout.c (dbxout_start_new_source_file): Likewise for parameter + `filename'. + (dbxout_finish): Likewise for parameters `file' and `filename'. + (dbxout_prepare_symbol): Likewise for parameter `decl'. + (dbxout_begin_function): Likewise. + + * explow.c (hard_function_value): Likewise for parameter `func'. + + * function.c (locate_and_pad_parm): Likewise for parameter `fndecl'. + + * expmed.c (expand_divmod): Omit unused argument to `expand_abs'. + * expr.c (expand_expr): Likewise. + * expr.h (expand_abs): Delete unused argument from prototype. + * optabs.c (expand_abs): Remove unused parameter `unsignedp'. + + * sdbout.c (sdbout_init): Mark parameter `syms' with ATTRIBUTE_UNUSED. + (sdbout_end_block): Likewise for parameter `n'. + + * toplev.c (debug_define): Likewise for parameters `lineno' and + `buffer'. + (debug_undef): Likewise. + + * varasm.c (named_section): Likewise for parameter 'reloc'. + (assemble_external): Likewise for parameter `decl'. + (assemble_alias): Likewise for parameter `target'. + +Fri Mar 19 01:54:30 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> + + * toplev.c (read_integral_parameter): Constify. Better control of + error messages. + (main): Use read_integral_parameter to set optimize, id_clash_len, + larger_than_size, and the debugging level. + * toplev.h (read_integral_parameter): Update prototype. + +Fri Mar 19 01:42:05 1999 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * system.h: Use putc_unlocked, fputc_unlocked, and + fputs_unlocked only if putc_unlocked has a prototype already. + Prototype fputs_unlocked if necessary. + * configure.in: Check for prototypes of putc_unlocked and + fputs_unlocked. + * acconfig.h: Updated. + * config.in, configure: Rebuilt. + +Fri Mar 19 02:45:12 1999 Alexandre Oliva <oliva@dcc.unicamp.br> + + * Makefile.in (INTL_TARGETS): new macro + ($(INTL_TARGETS)): depend on generated sources; drop dependencies + on cp/parse.c and objc/objc-parse.c + ($(srcdir)/cp/parse.c): move to cp/Make-lang.in + * objc/Make-lang.in ($(INTL_TARGETS)): depend on objc/objc-parse.c + +Thu Mar 18 22:28:53 1999 Jeffrey A Law (law@cygnus.com) + + * i860.h (TARGET_SWITCHES): Add documentation. + * i860/paragon.h (TARGET_SWITCHES): Add documentation. + * i370.h (TARGET_SWITCHES): Add documentation. + * fx80.h (TARGET_SWITCHES): Add documentation. + * elxsi.h (TARGET_SWITCHES): Add documentation. + * clipper.h (TARGET_SWITCHES): Add documentation. + * 1750a.h (TARGET_SWITCHES): Add documentation. + * pa.h (TARGET_SWITCHES): Add documentation. + (TARGET_OPTIONS): Likewise. + * mn10300.h (TARGET_SWITCHES): Add documentation. + * h8300.h (TARGET_SWITCHES): Add documentation. + +Thu Mar 18 15:58:26 1999 Nick Clifton <nickc@cygnus.com> + + * loop.c (strength_reduce): Do not perform pseudo replacements + if the loop contains volatile memory references. + +Thu Mar 18 19:09:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads_toplev): When processing X recursively, + don't alter it destructively except by filling in constants. + +Thu Mar 18 10:14:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cccp.c (default_include): Initialize structure memebers. + (pass_thru_directive): Change the type of 'keyword_length' to int. + (main): Cast `bindtextdomain' and `textdomain' to (void). + + * collect2.c (main): Likewise. + + * cppmain.c (main): Likewise. + + * gcc.c (main): Likewise. + + * gcov.c (main): Likewise. + + * protoize.c (main): Likewise. + + * toplev.c (main): Likewise. + +1999-03-18 Gavin Romig-Koch <gavin@cygnus.com> + + * config/mips/mips.c (mips_explicit_type_size_string): Correct + its type. + +Thu Mar 18 01:24:25 1999 Jeffrey A Law (law@cygnus.com) + + * configure.in: Use "exit 1", not "exit (1)". + * configure: Rebuilt. + +Wed Mar 17 23:17:42 1999 Mark Kettenis <kettenis@gnu.org> + + * config/t-gnu (SYSTEM_HEADER_DIR): New variable. Set to + `/include' in order to find the system's limits.h. + +Wed Mar 17 23:00:18 1999 Robert Lipe <robertlipe@usa.net> + + * fixinc/fixincl.c: Include auto-host.h instead of config.h + * fixinc/procopen.c: Likewise. + * fixinc/regex.c: Likewise. + * fixinc/server.c: Likewise. + +Wed Mar 17 22:46:13 1999 Mark Elbrecht <snowball3@usa.net. + + * config/i386/go32.h: Delete. + * config/i386/djgpp.h: New. Renamed from go32.h. + Added -DDJGPP=2 to CPP_PREDEFINES. + * config/i386/go32-rtems.h: Delete. + * config/i386/djgpp-rtems.h: New. Renamed from go32-rtems.h. + Added -DDJGPP=2 to CPP_PREDEFINES. + * config/i386/xm-go32.h: Delete. + * config/i386/xm-djgpp.h: New. Renamed from xm-go32.h. + * config/i386/x-go32: Delete. + * config/i386/x-djgpp: New. Renamed from x-go32. + * config/i386/t-go32: Delete. + * config/i386/t-djgpp: New. Renamed from t-go32. + * configure.in(pc-msdosdjgpp): Set xm_file to i386/xm-djgpp.h. + Set tm_file to i386/djgpp.h. Set tmake_file to i386/t-djgpp. + Set xmake_file to i386/x-djgpp. + (*-go32-msdos, *-go32*): Remove entries. Warn that GO32/DJGPP V1.X + is now unsupported and *-pc-msdosdjgpp for DJGPP V2.X should be + used instead. + * configure: Rebuilt. + + * gcc.c (process_command): Dump link_command_spec too. + +Wed Mar 17 20:38:08 1999 Jerry Quinn <jquinn@nortelnetworks.com> + Jeff Law <law@cygnus.com> + + * pa.md: Add real PA8000 scheduling information. + + * pa.h (processor_type): Add PROCESSOR_8000 symbol. + (ISSUE_RATE): Revamp, including PA8000 support. + * pa.c (override_options): Add 8000 as -mschedule= option. + Do not call strcmp if pa_cpu_string is null. + * pa.md (attr cpu): Add 8000. + * invoke.texi: Add documentation for PA8000 scheduling. + +Wed Mar 17 18:20:24 1999 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.h (TARGET_SWITCHES, TARGET_OPTIONS): + Add descriptions. + * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise. + * config/sparc/splet.h (SUBTARGET_SWITCHES): Likewise. + +Wed Mar 17 14:51:19 1999 Richard Henderson <rth@cygnus.com> + + * flow.c (compute_immediate_dominators): New function. + * basic-block.h (compute_immediate_dominators): Declare it. + + * alpha.h (HARD_REGNO_MODE_OK): Allow only 4 and 8 byte unit modes + in FP regs. + (MODES_TIEABLE_P): Define asymmetricly wrt modes illegal in FP regs. + +Wed Mar 17 14:41:41 1999 Nick Clifton <nickc@cygnus.com> + + * config/arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Fix compile + time warning. + * config/arm/arm.md: Fix various compile time warnings. + * config/arm/arm.h: Fix various compile time warnings. Add + function prototypes. + * config/arm/arm.c: Fix various compile time warnings. + (arm_override_options): Reorganise to seperate tuning from + targetting. + (bit_count): New function: Return a count of the number of bits + set in a word. + +Wed Mar 17 21:29:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (eliminate_regs): Don't keep REG_DEAD notes around for + things that were eliminated. + +Wed Mar 17 12:16:26 1999 Richard Henderson <rth@cygnus.com> + + * function.c (fixup_var_refs_1): First try moving the expression + directly into a register. Don't separate cc0 setter and user. + +Wed Mar 17 11:20:29 1999 Dave Brolley <brolley@cygnus.com> + + * cppfiles.c (PIPE_BUF): #define PIPE_BUF if not defined already. + +Wed Mar 17 09:25:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-lex.c: Don't include setjmp.h. + (parse_float): New static function. + (pf_args): New struct. + (yylex): Use them in call to `do_float_handler'. + +1999-03-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * cexp.y (yyerror): Call verror to get a usefull error message. + * cexp.c: Rebuilt. + + * .gdbinit: Move command to put breakpoint at abort to end of file + so that gdb does not bail out early. + +Tue Mar 16 15:30:19 1999 Nick Clifton <nickc@cygnus.com> + + * rtl.h: Rename prototype for free_bb_memory to free_bb_mem. + +Tue Mar 16 23:40:09 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (movsi_i): Move t/r alternative after r/rI alternative. + +Tue Mar 16 13:44:50 1999 Jim Wilson <wilson@cygnus.com> + + * mn10200/mn10200.md (addsi3, subsi3, ashlsi3, lshrsi3, ashrsi3): + Delete emit_library_call_value declaration. + +1999-03-16 16:06 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * cppfiles.c (read_and_prescan): Map backslash-newline to '\r' + (which cannot otherwise appear in the processed buffer) and + move it out of tokens that it appears in the middle of. + Improve performance. + (find_position): New function. + + * cpplib.c: \r (one character) indicates backslash + newline, not \\\n (two characters). It cannot appear in the + middle of a token. Call CPP_BUMP_LINE (pfile) whenever + parsing moves past \n or \r. Increment pfile->lineno whenever + a \n is placed into token_buffer. Only one mark can exist at + a time, and CPP_BUMP_LINE must not be used while it is + active. It is automatically cleared by cpp_pop_buffer and + parse_goto_mark. \r is not in is_hor_space or is_space. + + (NEWLINE_FIX, NEWLINE_FIX1, adjust_position, + update_position, count_newlines, parse_move_mark): Removed. + (parse_string, copy_comment): New functions. + (parse_name): Returns void. + (parse_set_mark, parse_clear_mark, parse_goto_mark): Take only + one argument, a cpp_reader *. Change for new marking scheme. + (skip_comment): Handle CHILL line comments too. Second + argument is now first character of comment marker; all callers + changed. Issue error for unterminated block comment here. + (cpp_skip_hspace): Recognize CHILL comments. + (copy_rest_of_line): Likewise. Call skip_comment and + parse_string directly, don't go through cpp_get_token. Emit + "/**/" for block comments if -traditional (create_definition + needs this). + (do_define): Don't play with put_out_comments. + (cpp_push_buffer): Initialize ->mark to -1. + (cpp_buf_line_and_col): Just read out the values in the buffer + structure. + (output_line_command): Use cpp_buf_line_and_col. Fix + formatting. Remove stale code. + (cpp_get_token): Break out string parsing code to + parse_string. Use skip_comment for CHILL comments too. Use + copy_comment for put_out_comments instead of dinking with + marks. Remove stale code. Don't call output_line_command + unless it's necessary. + + * cpplib.h (parse_marker): Removed. + (struct cpp_buffer): line_base is now a unsigned char *; add + `mark' [long], remove `marks' [struct parse_marker *]. + (parse_set_mark, parse_clear_mark, parse_goto_mark): Update + prototypes. + (CPP_BUMP_LINE, CPP_BUMP_BUFFER_LINE): New macros. + * cppinit.c (is_hor_space, is_space): '\r' is not considered + whitespace. + * cppexp.c (cpp_parse_expression): Use cpp_skip_hspace, not + SKIP_WHITE_SPACE. + * cpphash.c (macarg): Disable line commands while expanding. + +Tue Mar 16 11:30:19 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * c-lex.c (yylex) : Remove warning for integer literals being + larger than the largest target int. Add warning for integer + literal being larger than than its choosen type. + +Tue Mar 16 10:53:17 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * invoke.texi: Add -mlong32 documentation. + * config/mips/mips.h (mips_explicit_type_size_string): New. + (TARGET_SWITCHES): Add 'long32'. + (TARGET_OPTIONS): Add 'explicit-type-size'. + (CC1_SPECS): Set -mexplicit-type-size. + (LONG_MAX_SPEC): Change a use of 'no-long64' to 'long32'. + * config/mips/abi64.h (LONG_MAX_SPEC): Same. Add 'mabi=32'. + * config/mips/mips.c (mips_explicit_type_size_string): New. + (override_options): Use it. + * config/mips/osfrose.h (CC1_SPECS): Set -mexplicit-type-size. + + * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): + Pointer size now depends on both size longs and size of GP + registers. + +Tue Mar 16 10:22:22 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * config/mips/iris.h (CTORS_SECTION_ASM_OP,DTORS_SECTION_ASM_OP, + dtors_section): Use Pmode == DImode rather than TARGET_LONG64. + * config/mips/mips.c (override_options): Allow -mlong64 and + -mint64 with -mips2 or less. + * config/mips/mips.h (MASK_LONG64): Fix comment. + (POINTER_SIZE): Use Pmode == DImode rather than TARGET_LONG64. + (Pmode): Make Pmode the smaller of longs or gp registers. + * invoke.texi: Note the new size for pointers. + +Mon Mar 15 22:45:25 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (ASM_OUTPUT_{DOUBLE,FLOAT}): Always generate IEEE 754 + bit-pattern directly. + (ASM_OUTPUT_REG_{PUSH,POP}): Delete. + * rs6000.c (first_reg_to_save): If profiling and context needed, + allocate a reg to save static chain for all ABIs. For AIX + profiling, calculate parameter registers to save based on need. + (output_function_profiler): Save and restore static chain around + profile call for all ABIs. + +1999-03-15 21:39 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * cppinit.c: Instead of one pending list, keep separate lists + for each category of pending option: -D/-U, -A, -include, + -imacros. Move the four partial include-path lists into the + pending block. Use head and tail pointers so we don't ever + have to reverse the lists. + + (cpp_start_read): Break out blocks of code to their own + functions: install_predefs and initialize_dependency_output. + Use path_include for C_INCLUDE_PATH and friends as well as + CPATH. Remove include_defaults gunk. Warn about the + combination of -lang-chill and -trigraphs. Optimize string + bashing. Walk each pending list once, deallocating as we go. + + (append_include_chain): Brought over from cppfiles.c. Mark + dirs as system include dirs if and only if appending to + system include path. If opts->verbose, print a notice when a + dir is dropped from the include path because it doesn't + exist. Fix memory leak: this function is not supposed to copy + its DIR argument. + + (nreverse_pending, push_pending): Removed. + (APPEND): New macro for adding to pending lists. + (path_include): Can now add to any partial include path. + (base_name): Bring over from cccp.c. + (cpp_options_init): Allocate the pending block. + (cpp_handle_option): Add --version. Exit after --help. Fix + formatting. Order -ifoo options by frequency of usage. + (install_predefs): New function, simplified version of code + that was in cpp_start_read. + (initialize_dependency_output): Likewise. Understand OBJECT_SUFFIX. + + * cppfiles.c (simplify_pathname): Export. + (merge_include_chains): Don't nreverse the lists. If + opts->verbose, print a notice when a duplicate dir is detected + and dropped from the include path. + (finclude): Fix excessive cleverness in setting + fp->system_header_p. + (actual_directory): Set x->sysp from + CPP_BUFFER (pfile)->system_header_p so that one system header + may include another with "". + (deps_output): Fix double adjustment of deps_size which would + cause all dependencies after the first two lines to be lost. + + * cpplib.c (cpp_unassert): New function. + * cpplib.h: Lay out struct cpp_pending here. Adjust + prototypes. Add include_prefix_len to struct cpp_options. + +Mon Mar 15 16:01:52 1999 Jim Wilson <wilson@cygnus.com> + + * config/misp/mips.h (REGISTER_MOVE_COST): Make the cost of moving + from HI/LO/HILO/MD into general registers the same as for one + of moving general registers to HI/LO/HILO/MD. + +Mon Mar 15 12:39:38 1999 Nick Clifton <nickc@cygnus.com> + + * config/m32r/m32r.c (init_idents): New function. Initialise + static tree nodes for m32r specific attribute identifiers. Remove + leading and trailing double underscores from the attribute names. + (m32r_valid_machine_decl_attribute): Call init_idents. + (m32r_encode_section_info): Call init_idents. + +Mon Mar 15 10:20:20 1999 Mark Mitchell <mark@markmitchell.com> + + * reload.c (find_reloads): Add a REG_LABEL note if we substitute a + LABEL_REF for something else. + +Mon Mar 15 08:24:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (exact_real_inverse): Move variable `float_error' + into the scope where it is used. + (const_binop_1): New static function. + (cb_args): New struct. + (const_binop): Use them in call to `do_float_handler'. + (fold_convert_1): New static function. + (fc_args): New struct. + (fold_convert): Use them in call to `do_float_handler'. + +Mon Mar 15 22:50:18 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * rtlanal.c (auto_inc_p): New function. + * rtl.h (auto_inc_p): Prototype it. + * reload1.c (add_auto_inc_notes): New function. + (reload): Strip REG_INC notes and call add_auto_inc_notes + for each insn to restore them correctly. + +1999-03-15 Manfred Hollstein <manfred@s-direktnet.de> + + * fixinc/Makefile.in (procopen.o): List the actual + dependencies. + +Sun Mar 14 16:22:10 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cse.c (check_fold_consts): New static function. + (cfc_args): New struct. + (simplify_relational_operation): Use them in call to + `do_float_handler'. + + * toplev.c (do_float_handler): New function to wrap calls to + setjmp/set_float_handler. + + * toplev.h (do_float_handler): Add extern prototype. + + * tree.c (build_real_from_int_cst_1): New static function. + (brfic_args): New struct. + (build_real_from_int_cst): Use them in call to + `do_float_handler'. + +Sun Mar 14 01:15:06 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET. + +Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (arm_split_constant): Don't try to force a constant to + memory after arm_reorg has run. + (after_arm_reorg): New static variable. + (arm_reorg): Set it. + (output_func_epilogue): Clear it. + +Fri Mar 12 20:26:32 1999 David Edelsohn <edelsohn@gnu.org> + + * configure.in ({rs6000,powerpc}-ibm-aix*): Set float_format to none. + * configure: Rebuilt. + +Fri Mar 12 20:45:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * unroll.c (loop_iterations): Don't return a final value for EQ + comparison loops. + +Fri Mar 12 12:35:01 1999 Jim Wilson <wilson@cygnus.com> + + * reload1.c (calculate_needs_all_insns): When ignore equivalence + setting insn, clear need_elim, need_reload, and need_operand_change. + +Fri Mar 12 07:54:43 1999 Bruce Korb <korb@datadesign.com> + + * fixinc/fixinc.*: Some changes from the fixincl-branch + were not applied (??!!). Corrected. + + * fixinc/Makefile.in: same thing. + +Fri Mar 12 00:51:43 1999 Jeffrey A Law (law@cygnus.com) + + * expr.c (expand_expr): Allow a CALL_EXPR with a mode wider than + MAX_INTEGER_COMPUTATION_MODE. + +Thu Mar 11 14:00:58 1999 Richard Henderson <rth@cygnus.com> + + * alpha.h (HARD_REGNO_MODE_OK): Disallow QI/HImode in fp regs. + (MODES_TIEABLE_P): Update. + + * alpha.md (ev5_e0): Conflict loads and stores. + +Thu Mar 11 13:55:52 1999 Richard Henderson <rth@cygnus.com> + + * machmode.h (smallest_mode_for_size): Prototype. + * stor-layout.c (smallest_mode_for_size): Remove static. + +Thu Mar 11 21:25:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Don't do biv increment -> DEST_REG giv + conversion if we don't know the lifetime. + +Thu Mar 11 20:37:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.1c (delete_address_reloads_1): Check for reloads of + CURRENT_INSN even if it sets DST. + +Thu Mar 11 10:29:50 1999 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (add_AT_lbl_offset): Rename from add_AT_section_offset. + (print_die, size_of_die, value_format, output_die): Adjust. + +Thu Mar 11 10:27:42 1999 Robert Lipe <robertlipe@usa.net> + + * dwarf2out.c (TEXT_SECTION_LAABEL, DEBUG_LINE_SECTION_LABEL, + DEBUG_INFO_SECTION_LABEL, ABBREV_SECTION_LABEL, + text_section_laabel, debug_line_section_label, + debug_info_section_label, abbrev_section_label): New. + (output_compilation_unit_header): Emit label associated + with section instead of section name itself. + (out_pubnames, output_aranges, output_line_info, + dwarf2out_finish): Likewise. + (dwarf2out_init): Build internal label names for sections + from static labels. + +Thu Mar 11 17:28:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (mulsi3): End mul.l sequence with a no-op move. + +Thu Mar 11 08:52:02 1999 Bruce Korb <korb@datadesign.com> + + * Makefile.in: activated fixinc/mkfixinc.sh + * configure.in: activated fixinc/mkfixinc.sh + +Thu Mar 11 01:38:02 1999 Mumit Khan <khan@xraylith.wisc.edu> + + * cppfiles.c (INO_T_EQ): Handle UWIN. + + * c-common.c (decl_attributes): Flag unrecognized attribute + functions as warnings instead of as errors. + + Support for i386-pc-uwin. + * i386/uwin.h: New file. + * i386/xm-uwin.h: New file. + * i386/t-uwin: New file. + * i386/uwin.asm: New file. + * configure.in (i[3456]86-*-uwin*): Define. + Add Workaround for vfork bug when hosted on uwin. + * configure: Regenerate. + + * cccp.c (INO_T_EQ): Undefine. UWIN has inodes. + (absolute_filename): UWIN uses POSIX pathnames only. + * libgcc2.c (getpagesize): Do not define for UWIN. + (mprotect): Likewise. + * protoize.c (dirent.h): Conditionally include. + (fputc): Prototype only if it's not a macro. + +Wed Mar 10 02:49:04 1999 Jason Merrill <jason@yorick.cygnus.com> + + * configure.in: Remove init_priority stuff. + +1999-03-11 Colin Smith <colin@wrs.com> + + * sdbout.c (plain_type_1): Make boolean types work better with sdb. + +Thu Mar 11 00:20:52 1999 Alexandre Oliva <oliva@dcc.unicamp.br> + + * gcc.texi: Update bug reporting instructions to match + current ezmlm list reality. + +Wed Mar 10 23:11:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (print_file_name, print_prog_name, spec_machine, + read_specs, set_spec, lookup_compiler, build_search_list, + putenv_from_prefixes, find_a_file, record_temp_file, + delete_if_ordinary, handle_braces, do_spec, do_spec_1, find_file, + is_directory, validate_switches, used_arg, default_arg, + pfatal_with_name, perror_with_name, pfatal_pexecute, fatal, error, + notice, add_preprocessor_option, add_assembler_option, + add_linker_option, process_command, execute, + unused_prefix_warnings, clear_args, fatal_error, + lang_specific_driver, user_specs, compiler, link_command_spec, + option_map, translate_options, make_temp_file, temp_name, + programname, path_prefix, machine_suffix, just_machine_suffix, + gcc_exec_prefix, standard_exec_prefix, standard_exec_prefix_1, + md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1, + standard_startfile_prefix, standard_startfile_prefix_1, + standard_startfile_prefix_2, tooldir_base_prefix, tooldir_prefix, + multilib_dir, temp_filename, temp_file, command, switchstr, + infile, outfiles, input_filename, input_basename, input_suffix, + check_live_switch, main): Qualify a char* with the `const' keyword. + +Wed Mar 10 20:28:29 1999 Jeffrey A Law (law@cygnus.com) + + * lcm.c: New file. + * Makefile.in (OBJS): Add lcm.o + (lcm.o): Add dependencies. + + * gcse.c (compute_pre_local_properties): Delete. + (compute_pre_data): Use compute_local_properties instead of + compute_pre_local_properties. + + * gcse.c: More comments, whitespace and similar fixes. + (dump_cuid_table, maybe_set_rd_gen, dump_cprop_data): Delete. + (dump_pre_data, compute_cprop_local_properties): Likewise. + (one_classic_gcse_pass): Lose unused argument. All callers changed. + (compute_hash_table, compute_expr_hash_table): Likewise. + (compute_set_hash_table, one_pre_gcse_pass, mark_call): Likewise. + (cprop_insn, cprop, one_cprop_pass): Add new argument ALTER_JUMPS. + All callers changed. Only alter jumps if ALTER_JUMPS is nonzero. + Lose unused argument. + (gcse_main): Always run a cprop pass after finishing global cse. + (compute_local_properties): New function. + (hash_scan_pat, hash_scan_insn): No longer call maybe_set_rd_gen. + (compute_cprop_data): Use compute_local_properties. + + * gcse.c: Update various comments. + (current_function_calls_longjmp): Delete declaration. + + * gcse.c (run_jump_opt_after_gcse): New variable. + (gcse_main): Returns an integer. + (hash_scan_set): Record initializations from CONST_DOUBLEs too. + (try_replace_reg): Update some comments. + (cprop_insn): Allow propagation into some JUMP_INSNs too. + * rtl.h (gcse_main): Update prototype. + * toplev.c (rest_of_compilation): If gcse_main returns nonzero, + then run a jump optimization pass. + * jump.c (delete_barrier_successors): Delete nop jumps too. + +Wed Mar 10 19:04:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (fp_arith_reg_operand): Actually test if reg is suitable + for FP arithmetic. Changed caller. + * sh.md (subsf3, subsf_i): Use fp_arith_reg_operand. + +Wed Mar 10 18:56:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (choose_reload_regs): When inheriting from the frame + pointer, don't clobber it. + +Wed Mar 10 08:01:52 1999 Bruce Korb <korb@datadesign.com> + + * fixinc/fixinc.*: Resync-ed with the files in this + directory. + + * fixinc/mkfixinc.sh: the machine case elements were + out-of-order. (the ix86-*-linux-gnu* entry needed to + be earlier). + +Wed Mar 10 00:01:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_combine_note_store): Fix calculation of number + of affected registers. + +Tue Mar 9 15:48:15 1999 Richard Henderson <rth@cygnus.com> + + * flow.c (tidy_fallthru_edge): Be more careful finding the last + BARRIER of a list. Delete the cc0 setter as well as a cond jump. + +Tue Mar 9 15:26:02 1999 Hans-Peter Nilsson <hp@bitrange.com> + + * i386.md (ashlsi3 splitter): Fix typo in last change. + +Tue Mar 9 11:35:20 1999 Richard Henderson <rth@cygnus.com> + + * reg-stack.c (stack_reg_life_analysis): Use returnjump_p + instead of an explicit test for RETURN. + +Tue Mar 9 09:33:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (toplev.o): Depend on $(BASIC_BLOCK_H). + + * toplev.c: Include basic-block.h. + +Tue Mar 9 02:08:17 1999 Jeffrey A Law (law@cygnus.com) + + * calls.c (load_register_parameters): New function. + (expand_call): Use it. + + * calls.c (expand_call): Slightly reorganize code. + + * calls.c (compute_argument_addresses): New function. + (rtx_for_function_call): New function. + (expand_call): Use them. + + * i386.md (zero_extendhisi2): Split into an expander and anonymous + pattern. Add new anonymous pattern for use when optimizing for + size or for the PPro. + (zero_extendqihi2, zero_extendqisi2): Likewise. + +Mon Mar 8 23:43:47 1999 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (sched_analyze_1): Fix last change -- add clobber + dependancies to sets in the non-hard-reg case too. + +Mon Mar 8 18:55:21 1999 Marc Espie <espie@cvs.openbsd.org> + + * config/openbsd.h (HANDLE_SYSV_PRAGMA): Define. + +Mon Mar 8 16:04:44 1999 Jim Wilson <wilson@cygnus.com> + + * local-alloc.c (combine_regs): Don't combine if we have a hard reg + for which CLASS_LIKELY_SPILLED_P is true. + + * unroll.c (loop_iterations): Only call loop_find_equiv_value if we + have a REG or SUBREG. + +Mon Mar 8 15:27:42 1999 Jeffrey A Law (law@cygnus.com) + + * i386.md (ashlsi3): Revise comments. Provide new anonymous + pattern for Pentium and PPro/PII. Reverse constraints in + generic ashlsi3 anonymous pattern. + + * calls.c (initialize_argument_info): Accept a pointer to + CUMULATIVE_ARGS. + (expand_call): Pass the address of CUMULATIVE_ARGS. + + * rs6000/xm-sysv4.h (HOST_BITS_PER_LONGLONG): Remove #if 0. + + * mn10300.h (CASE_DROPS_THROUGH): Delete. + * mn10200.h (CASE_DROPS_THROUGH): Delete. + * h8300.h (CASE_DROPS_THROUGH): Delete. + + * flow.c (merge_blocks_nomove): For HAVE_cc0 targets, make sure + to also delete the cc0 setter when deleting a conditional branch + to the next block. + +Mon Mar 8 18:47:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c (copy_src_to_dest): New argument max_old_uid. + +Mon Mar 8 08:23:00 1999 Bruce Korb <korb@datadesign.com> + + * ChangeLog: merged entries from fixincl-branch + +Sun Mar 7 11:48:56 1999 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (ENCODE_BLOCKAGE): Don't shift unit too far. + (print_exp): Special case addition of a constant. + (print_value) [CONST_INT]: Use HOST_WIDE_INT_PRINT_HEX. + +Sun Mar 7 11:21:02 1999 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (reg_last_clobbers): New. + (reg_pending_clobbers, bb_reg_last_clobbers): New. + (compute_block_backward_dependences): Allocate memory for them. + (schedule_region): Likewise. + (sched_analyze_1): Clobbers don't interfere with one another. + They do interfere with sets ... + (sched_analyze_2): ... and uses. + (sched_analyze): Likewise. + (sched_analyze_insn): Update reg_last_clobbers appropriately. + +Sun Mar 7 08:30:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gmon-sol2.c: Include config.h and system.h. Don't redundantly + include system header files. + (sccsid): Remove. + (moncontrol, monstartup, _mcleanup, internal_mcount): Prototype. + (_mcleanup): Add the `const' keyword to a char*. + (internal_mcount): Declare `etext' as a char[] not a function. + Cast `etext' to char* when calling `monstartup'. + + * sparc.c (frame_base_name, save_regs, restore_regs, + build_big_number, sparc_cmodel_string, sparc_align_loops_string, + sparc_align_jumps_string, sparc_align_funcs_string, code_model, + cpu_default, cpu_table, output_function_prologue, + output_function_epilogue, output_return, + sparc_flat_output_function_prologue, ultra_code_names, + sparc_flat_output_function_epilogue): Constify a char*. + (hypersparc_adjust_cost): Add a default case in a switch. + + * sparc.h (sparc_cmodel_string, OVERRIDE_OPTIONS, + sparc_cpu_select, sparc_align_loops_string, + sparc_align_jumps_string, sparc_align_funcs_string, + output_return): Constify a char*. + + * sparc.md (movdi): Change the comparison of HOST_BITS_PER_WIDE_INT + so that we check "== 32", instead of "!= 64". Cast a value to + HOST_WIDE_INT when comparing against one. Hide the declaration + for variable `chain'. + +Sun Mar 7 08:05:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (const, inline): Move the stage2 handling of these + keywords-as-macros from here... + + * gansidecl.h (const, inline): ...to here. + +Sun Mar 7 02:44:15 1999 Richard Henderson <rth@cygnus.com> + + * recog.c (push_operand, pop_operand): VOIDmode needn't match modes. + +Sun Mar 7 01:58:47 1999 Richard Henderson <rth@cygnus.com> + + * cse.c (canon_hash): Never reject hard regs in CCmode. + +Sun Mar 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Mar 6 17:18:44 1999 Richard Earnshaw (rearnsha@arm.com) + Richard Henderson <rth@cygnus.com> + + * flow.c (make_edges): Handle casesi that jump to default branch. + If CASE_DROPS_THROUGH, force fallthru to block after casesi. + +Sat Mar 6 07:49:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-aux-info.c (data_type, affix_data_type, gen_decl, + gen_formal_list_for_type, gen_formal_list_for_func_def, gen_type): + Qualify a char* with the `const' keyword. + + * c-common.c (declare_hidden_char_array, add_attribute, if_elt, + declare_function_name, decl_attributes, format_char_info, + check_format_info, binary_op_error): Likewise. + + * cexp.y (yyerror, error, pedwarn, warning, token): Likewise. + + * gcse.c (dump_hash_table): Likewise. + + * integrate.c (function_cannot_inline_p): Likewise + + * optabs.c: Include insn-config.h earlier. + (init_libfuncs, init_integral_libfuncs, init_floating_libfuncs): + Qualify a char* with the `const' keyword. + + * real.c (asctoe24, asctoe53, asctoe64, asctoe113, asctoe, + asctoeg, mtherr, ereal_atof): Likewise. + + * real.h (ereal_atof): Likewise. + + * sbitmap.c (dump_sbitmap_vector): Likewise. + + * sbitmap.h (dump_sbitmap_vector): Likewise. + + * stmt.c (nesting, n_occurrences, expand_start_case): Likewise. + + * toplev.c (rest_of_compilation): Likewise. + + * tree.h (function_cannot_inline_p, expand_start_case): Likewise. + +Fri Mar 5 23:16:42 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Add 64-bit support and do + not overwrite AIX link register save area. + +Fri Mar 5 23:08:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads_subreg_address): Actually create the USE + for the register, not the new memory location. + +Fri Mar 5 21:41:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (emit_reload_insns): If pseudo that can't be replaced + with its equivalent constant, fall back to reload_in. + +Fri Mar 5 13:20:39 1999 Richard Henderson <rth@cygnus.com> + + * Makefile.in: Delete .flow2 debugging files. + +Fri Mar 5 11:36:11 1999 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.c (arm_override_options): Change default target + cpu selection so that enabling TARGET_APCS_32 does not override + default target CPU. + +Fri Mar 5 19:26:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (SLOW_BYTE_ACCESS): Define to 1. + (BOOL_TYPE_SIZE): Define. + +Fri Mar 5 02:14:54 1999 John Wehle (john@feith.com) + + * function.c (assign_stack_temp_for_type): Abort + if mode == Blkmode and align is less than + BIGGEST_ALIGNMENT / BITS_PER_UNIT. + (assign_stack_temp_for_type): Round the size parameter + passed to assign_stack_local instead of size itself. + +Thu Mar 4 15:00:35 1999 Richard Henderson <rth@cygnus.com> + + * flow.c (delete_unreachable_blocks): Mark blocks as they + are put on to the worklist, not as they are taken off. + +Thu Mar 4 00:05:44 1999 Jeffrey A Law (law@cygnus.com) + + * function.c (current_function_has_computed_jump): Remove duplicate + definition. + +Wed Mar 3 19:09:11 1999 Jim Wilson <wilson@cygnus.com> + + * m68k/m68020-elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Undef. + (STARTFILE_SPEC, ENDFILE_SPEC): Define to empty string. + + * sparc/elf.h (MULDI3_LIBCALL, DIVDI3_LIBCALL, UDIVDI3_LIBCALL, + MODDI3_LIBCALL, UMODDI3_LIBCALL, STDC_0_IN_SYSTEM_HEADERS): Undef. + (INIT_SUBTARGET_OPTABS): Define to empty. + +Wed Mar 3 00:00:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (force_into): New function. + (expand_block_move): Use it. + +Tue Mar 2 10:39:43 1999 Nick Clifton <nickc@cygnus.com> + + * cccp.c (struct default_include): Add 'included' field. + (main): Set 'included' field when a default include directory + is added to the chain. If -v is specified list all default + include directories which do not get appended to the chain. + +Tue Mar 2 09:24:10 1999 Nick Clifton <nickc@cygnus.com> + + * configure.in (gxx_include_dir): Rename to + gcc_gxx_include_dir in order to prevent it being overridden by + a top level Makefile. + (gcc_tooldir): If $exec_prefix != $prefix then use the + difference between the two as the basis for gcc_tooldir. + + * configure: Rebuild. + + * Makefile.in: Rename gxx_include_dir to gcc_gxx_include_dir. + +Tue Mar 2 16:45:31 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * unroll.c (copy_loop_body): Don't make extra copies of + NOTE_INSN_LOOP_CONT notes. + +Tue Mar 2 07:44:56 1999 Mark Mitchell <mark@markmitchell.com> + + * tree.c (save_tree_status): Don't treat functions with no context + as nested. + +Tue Mar 2 09:37:05 1999 Robert Lipe <robertlipe@usa.net> + + * Makefile.in (MAKEINFO): Use makeinfo built from sibling + tree when available. + +Tue Mar 2 10:12:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (alpha_cpu_name, alpha_cpu_string, alpha_tp_string, + alpha_fprm_string, alpha_fptm_string, alpha_mlat_string, + current_function_file): Add the `const' keyword. + (normal_memory_operand): Mark parameter `mode' with + ATTRIBUTE_UNUSED. + (alpha_expand_unaligned_load): Add a default case to a switch. + + * alpha.h (alpha_cpu_string, alpha_fprm_string, alpha_fptm_string, + alpha_tp_string, alpha_mlat_string): Add the `const' keyword. + (normal_memory_operand): Add prototype. + + * alpha.md: Cast an expression to `unsigned HOST_WIDE_INT' when + comparing against one. + +Tue Mar 2 10:00:21 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.c (abort_with_insn): Make function static, add a prototype, + constify 2nd parameter and mark with ATTRIBUTE_NORETURN. + (current_function_file, mips_cpu_string, mips_isa_string, + mips_abi_string, mips_no_mips16_string, mips_entry_string, + mips_move_1word, mips_move_2words, output_block_move, load_store, + override_options, make_temp_file, mips16_fp_args): Qualify a char* + with the `const' keyword. + + * mips.h (current_function_file, mips_cpu_string, mips_isa_string, + mips_abi_string, mips_entry_string, mips_no_mips16_string, + mips_move_1word, mips_move_2words, output_block_move): Likewise. + (abort_with_insn): Remove extern prototype. + + * mips.md: Qualify a char* with the `const' keyword. + Remove many unused variables named `label'. + +Tue Mar 2 01:27:52 1999 H.J. Lu (hjl@gnu.org) + + * Makefile.in (cpp_install_dir, INSTALL_CPP, UNINSTALL_CPP): New + variables. + (install-cpp, uninstall-cpp): New targets. + (install-normal): Depend on $(INSTALL_CPP). + (uninstall): Depend on $(UNINSTALL_CPP). + * configure.in (cpp_install_dir): New, substitute. + (tmake_file): Added t-install-cpp for --enable-cpp. + * configure: Rebuilt. + * cpp.sh: New cpp script. + * config/t-install-cpp: New target fragment. + +Tue Mar 2 01:40:01 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + Jeffrey A Law (law@cygnus.com) + + * cse.c (fold_rtx): Update comments for (const (minus (label) (label))) + case. + (cse_insn): Avoid creating a bogus REG_EQUAL note for + (const (minus (label) (label))) + (record_jump_cond): Fix mismatched paren in comment. + +Tue Mar 2 01:07:12 1999 Dan Nicolaescu <dann@godzilla.ics.uci.edu> + + * final.c (end_final): There are 11 words in the "main header" + structure, not 10. + +Tue Mar 2 00:09:18 1999 Marc Espie <espie@cvs.openbsd.org> + + * extend.texi: Reference __extension__ in the index. + +Mon Mar 1 19:09:32 1999 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (CROSS_FLOAT_H): Delete. + (FLOAT_H): Use float_h_file. + (rest.cross, stmp-int-hdrs): Delete gfloat.h dependency. + (gfloat.h): Delete. + (stmp-int-hdrs): Use FLOAT_H instead of gfloat.h. + (mostlyclean): Delete gloat.h reference. + (install-cross-rest, install-float-h-cross, stmp-headers): Update + comments. + * configure.in (sparcv9-*-solaris2*): Set float_format to none. + (sparc-*-solaris2*): Set float_format to none for 2.5 and higher. + (float_h_file): Set from float_format. Substitute into Makefile.in. + (float_format): No longer substitute into Makefile.in. + * cross-make (FLOAT_H): Delete. + * config/mips/t-cross64 (FLOAT_H): Delete. + * configure: Rebuilt. + +Mon Mar 1 16:36:18 1999 Jeffrey A Law (law@cygnus.com) + + * mips.md (div_trap_normal, div_trap_mips16): Require the dependent + insn to be an INSN before looking at its pattern. + +Mon Mar 1 15:03:51 1999 Jim Wilson <wilson@cygnus.com> + + * config/m68k/lb1sf68.asm (udivsi3): Change jmi to jcs. Fix comments. + * config/m68k/m68k.h (LEGITIMATE_INDEX_REG_P): Reject SIGN_EXTEND of + HImode reg when TARGET_5200. + +Mon Mar 1 21:44:30 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + From Toshiyasu Morita: + * sh.h (CACHE_LOG): SH2 has cache, too. + +Mon Mar 1 14:23:36 1999 Catherine Moore <clm@cygnus.com> + + * toplev.c (compile_file): Disable -ffunction-sections and + debugging warning if the object format is elf. + +Mon Mar 1 11:46:25 1999 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/h8300/h8300.c (print_operand): Use 16 bit addressing + when the data in 8-bit area and can not be addressed by 8-bit. + +Sun Feb 28 16:40:00 1999 Richard Henderson <rth@cygnus.com> + + * flow.c (create_basic_block): Disregard integrated bb notes. + +Sun Feb 28 15:57:06 1999 Richard Henderson <rth@cygnus.com> + + * sparc.md (blockage, nonlocal_goto_receiver): Set length to 0. + +Sun Feb 28 14:47:53 1999 Arturo Montes <mitosys@colomsat.com.co> + + * config/i386/t-sco5gas (crti.o): New target. + +Sun Feb 28 15:10:17 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (elf_high, movsi_got, *movsi_got_internal, + *movsi_got_internal_mem, GOT splitter, movdf_hardfloat32, + movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64, + load_multiple, allocate_stack, call_indirect_aix32, + call_indirect_aix64, call_value_indirect_aix32, + call_value_indirect_aix64, call_indirect_nt, + call_value_indirect_nt): Use gpc_reg_operand instead of + register_operand. + +Sun Feb 28 15:10:17 1999 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (one_cmplsi2, andsi3, iorsi3, xorsi3, *eqvsi3, + *andcsi3, *iorcsi3, *nandsi3, *norsi3): Add alternatives to use CR + other than cr0. + * rs6000.c (and{,64}_operand): If the user did -ffixed-cr0, don't + allow andi. or andis. which always set cr0. + +Sun Feb 28 01:15:04 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Feb 28 02:00:38 1999 Jeffrey A Law (law@cygnus.com) + + * invoke.texi: Update information for PA scheduling. + +Sat Feb 27 23:21:47 1999 Jerry Quinn <jquinn@nortelnetworks.com> + Mike Stump <mrs@wrs.com> + + * pa.c (override_options): Change default to 7100LC + + * pa.h (REG_ALLOC_ORDER): Change order to allocate left half of + float regs before right half of float regs. + +Sat Feb 27 22:48:38 1999 H.J. Lu (hjl@gnu.org) + Jeffrey A Law (law@cygnus.com) + + * frame.h: Update some comments. + * defaults.h (TARGET_ATTRIBUTE_WEAK): Define. + * crtstuff.c (__register_frame_info, __deregister_frame_info): Declare + using TARGET_WEAK_ATTRIBUTE. + (__do_global_dtors_aux): Check if __deregister_frame_info is + zero before calling it. + (__do_global_dtors): Likewise. + (frame_dummy): Check if __register_frame_info is zero before + calling it. + (__frame_dummy): Likewise. + +Sat Feb 27 19:18:24 1999 Jeffrey A Law (law@cygnus.com) + + * SERVICE: Update from the FSF. + +Sat Feb 27 14:31:22 1999 Arturo Montes <mitosys@colomsat.com.co> + + * config/i386/t-sco5 (crti.o): New target. + * config/i386/sco5.h (STARTFILE_SPEC): Include crti.o when + linking -shared. + * configure.in (i[34567]86-*-sco3.2v5*): Add crti.o. + +Sat Feb 27 01:12:40 1999 Jeffrey A Law (law@cygnus.com) + + * md.texi (prologue,epilogue): Document named patterns. + +Fri Feb 26 19:31:25 1999 Dave Love <fx@gnu.org> + + * md.texi, invoke.texi: Fix unterminated @xrefs. + +Fri Feb 26 15:33:45 1999 Richard Henderson <rth@cygnus.com> + + * genattrtab.c (simplify_knowing): Fix uninitialized read + in Feb 21 change. + + * genextract.c (main): Clear recog_operands before extracting. + +Fri Feb 26 02:24:57 1999 Jeffrey A Law (law@cygnus.com) + + * c-pragma.c (add_weak); Delete. Moved into... + * varasm.c (add_weak): New external function. + (declare_weak): If HANDLE_PRAGMA_WEAK, then add the function to + the list of weak functions. + * c-pragma (add_weak): Declare. + +Thu Feb 25 23:43:59 1999 Richard Henderson <rth@cygnus.com> + + Flow rewrite to use basic block structures and edge lists: + + * basic-block.h (x_basic_block_head, x_basic_block_end): Kill. + (basic_block_computed_jump_target, basic_block_live_at_start): Kill. + (struct edge_def): New. + (struct basic_block_def): New. + (basic_block_info): New. + (BLOCK_HEAD, BLOCK_END): Update. + (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): New. + (uid_block_number): Kill. + (basic_block_for_insn, BLOCK_FOR_INSN): New. + (BLOCK_NUM): Update. + * flow.c (XNMALLOC): Kill. + (max_uid_for_flow): Kill. + (uid_block_number): Kill. + (uid_volatile): Turn into a bitmap. + (SET_INSN_VOLATILE): New. + (basic_block_info): New. + (entry_exit_blocks): New. + (x_basic_block_head, x_basic_block_end): Kill. + (basic_block_computed_jump_target, basic_block_live_at_start): Kill. + (flow_int_list_blocks, basic_block_succ, basic_block_pred): Kill. + (basic_block_loop_depth): Kill. + (basic_block_for_insn): New. + (find_basic_blocks): Split out initial block counting into + count_basic_blocks. Call functions split out of find_basic_blocks_1. + (count_basic_blocks): New. + (find_basic_blocks_1): Split out edge recognition, unreachable + block deletion. + (create_basic_block): New. + (compute_bb_for_insn): New. + (clear_edges): New. + (free_bb_memory): Kill. + (add_edge, add_edge_to_label): Kill. + (mark_label_ref): Kill. + (make_edges): Rewrite to use edge lists. + (make_edge, make_label_edge): New. + (mark_critical_edges): New. + (split_edge, insert_insn_on_edge): New. + (commit_one_edge_insertion, commit_edge_insertions): New. + (delete_unreachable_blocks): Rewrite to use edge lists. + Split out EH region manipulation into delete_eh_regions. + Call tidy_fallthru_edge and merge_blocks. + (delete_eh_regions): New. + (delete_note_p): New. + (delete_insn_chain): New. + (delete_block): Split out code into delete_insn_chain and + tidy_fallthru_edge. Update edge lists. + (expunge_block): New. + (flow_delete_insn): New? + (can_delete_label_p): New? + (merge_blocks_nomove, merge_blocks): New. + (tidy_fallthru_edge): New. + (calculate_loop_depth): New. + (life_analysis): Allocate and free uid_volatile. + (free_basic_block_vars): Update for new structures. + (record_volatile_insns): Use SET_INSN_VOLATILE. + (mark_regs_live_at_end): Tidy EXIT_IGNORE_STACK usage. + (mark_used_regs): Likewise. + (life_analysis_1): Use bb global_live_at_start, global_live_at_end, + local_set regsets. Use bb->aux to store new_live_at_end. Begin + life propagation from EXIT_BLOCK rather than last block. Clear + regs_ever_live after mark_regs_live_at_end. + (allocate_for_life_analysis): Update for new structures. + (propagate_block): Split out loop depth calculation to + calculate_loop_depth. + (regno_uninitialized): Use bb->global_live_at_start. + (regno_clobbered_at_setjmp): Likewise. + (dump_bb_data): Likewise. + (find_auto_inc): Use BLOCK_FOR_INSN instead of BLOCK_NUM. + (dump_flow_info): Update for new structures. + (dump_edge_info): New. + (print_rtl_with_bb): Update for new structues. + (compute_preds_succs): Do no work -- convert edge lists. + (set_block_for_insn): From corpse of old set_block_num. + (set_block_num): Call it. + + * rtl.c (note_insn_name): Add NOTE_INSN_BASIC_BLOCK. + * rtl.h (rtunion_def): Add bb entry. + (NOTE_BASIC_BLOCK): New. + (NOTE_INSN_BASIC_BLOCK): New. + + * varray.h (varray_data_tag): Add bb entry. + (VARRAY_BB_INIT, VARRAY_BB): New. + + * emit-rtl.c (emit_label_before): New. + + * except.c (expand_rethrow): Delete insns following the call to + rethrow. Put the REG_EH_RETHROW on the call. + + * jump.c (returnjump_p, returnjump_p_1): New. + + * expr.h (nonlocal_goto_handler_labels): New declaration. + * function.c (nonlocal_goto_handler_labels): Define it. + (push_function_context_to): Save it. + (pop_function_context_from): Restore it. + (init_function_start): Clear it. + (nonlocal_label_rtx_list): Kill. + * function.h (struct function): Add storage space for it. + * stmt.c (expand_nl_handler_label): Return the new label. + (expand_nl_goto_receivers): Collect a list of them in + nonlocal_goto_handler_labels. + + * Makefile.in (print-rtl.o): Depend on basic-block.h. + (flow.o): Depend on insn-flags.h. + + * function.c (thread_prologue_and_epilogue_insns): Do not + half-heartedly update bb structures. + + * toplev.c: Add flow2 dump as -dw. + (rest_of_compilation): Finish .greg before flow2. + + * graph.c (draw_edge): Handle class 3. + (print_rtl_graph_with_bb): Make abnormal edges red class 2, + change non-fall-thru but adjacent to green class 3. Update + to use new structures. + + * print-rtl.c (print_rtx): Handle NOTE_INSN_BASIC_BLOCK. + + * reg-stack.c (BLOCK_NUM): Convert to function. Abort if + block_number is -1. + (reg_to_stack): Initialize block_num to -1. + + * combine.c (set_nonzero_bits_and_sign_copies): Update reference + to basic_block_live_at_start to bb->global_live_at_start. + (try_combine): Likewise. + (reg_dead_at_p): Likewise. + * global.c (global_conflicts): Likewise. + Handle stack regs on all abnormal edges, not just computed jumps. + (mark_elimination): Update reference to basic_block_live_at_start. + (build_insn_chain): Likewise. + * haifa-sched.c (haifa_edge): Rename from edge for conflict. + (is_cfg_nonregular): Look at nonlocal_goto_handler_labels instead + of nonlocal_label_rtx_list. + (check_live_1): Update reference to basic_block_live_at_start. + (update_live_1): Likewise. + (find_pre_sched_live): Likewise. + (find_post_sched_live): Likewise. + * local-alloc.c (update_equiv_regs): Likewise. + (block_alloc): Likewise. + * reload1.c (reload, reload_combine): Likewise. + * regmove.c (mark_flags_life_zones): Likewise. + * resource.c (mark_target_live_regs): Likewise. + * sched.c (schedule_block): Likewise. + + * regclass.c (regset_release_memory): Don't free + basic_block_live_at_start. + + * unroll.c (copy_loop_body): Don't duplicate NOTE_INSN_BASIC_BLOCK. + +Thu Feb 25 21:32:34 1999 Jason Merrill <jason@yorick.cygnus.com> + + * fixinc.wrap: Also handle struct queue in sys/stream.h. + * fixinc.svr4: Likewise. + + * dwarf2out.c (scope_die_for): Set scope_die to comp_unit_die + rather than asserting it. + +Thu Feb 25 23:33:06 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppexp.c (left_shift, right_shift, parse_charconst, COMPARE, + cpp_parse_expr): Replace uses of long/HOST_BITS_PER_LONG with + HOST_WIDEST_INT/HOST_BITS_PER_WIDEST_INT. + + + * Makefile.in (cppmain.o, cpplib.o, cpphash.o, cppalloc.o, + cpperror.o, cppexp.o, cppfiles.o, cppinit.o, fix-header.o, + scan-decls.o): Don't depend on machmode.h. + + * cppexp.c: Don't define CHAR_BIT or HOST_BITS_PER_WIDE_INT anymore. + Replace all instances of HOST_WIDE_INT with HOST_WIDEST_INT. + + * cppfiles.c: Likewise. + + * cpplib.c: Likewise. + + * cpplib.h: Likewise. Also don't include machmode.h anymore. + +Thu Feb 25 18:46:26 1999 Richard Henderson <rth@cygnus.com> + + * gcc.c (default_compilers): Define __FAST_MATH__ when appropriate. + * objc/lang-specs.h: Likewise. + +Thu Feb 25 16:19:43 1999 Jeffrey A Law (law@cygnus.com) + + * pa.md (call patterns): Lose unused argument to output_call. + + * print-rtl.c (print_rtl): Print /j and /c for the jump/call flags. + +1999-02-25 17:14 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * cpphash.c (install): Rename to cpp_install, add cpp_reader* + first argument. All callers changed. + (hashtab): Removed. + (cpp_lookup, cpp_install): Change all refs to hashtab to + pfile->hashtab. + (cpp_hash_cleanup): Removed. + * cpphash.h: Adjust prototypes. + * cpplib.h (struct cpp_reader): Add hashtab pointer. + * cppinit.c (cpp_reader_init): Also allocate space for the + hashtab. + (cpp_cleanup): Delete all macros and free the hashtab. + +Thu Feb 25 21:52:54 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (PASS_IN_REG_P): For TARGET_HITACHI, don't pass structures + in registers. + + * expr.h (PRETEND_OUTGOING_VARARGS_NAMED): Provide default definition. + * function.c (assign_parms): Honour PRETEND_OUTGOING_VARARGS_NAMED. + * calls.c (expand_call): Likewise. + + * sh.c (sh_expand_prologue): For TARGET_HITACHI, don't push varargs / + stdarg arguments. + * sh.h (CPP_SPEC): Add -D__HITACHI__ for -mhitachi. + (FUNCTION_ARG): For TARGET_HITACHI, don't pass unnamed + arguments in registers. + (PRETEND_OUTGOING_VARARGS_NAMED): Define. + * va-sh.h (entire file): If __HITACHI__ is defined, use sh[123] + flavour varargs. + +Thu Feb 25 14:32:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cse.c (dump_class): Revert last change and make the prototype + extern. + +Thu Feb 25 19:13:42 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtl.h (insn_first_p): Don't declare. + * rtlanal.c (insn_first_p): Delete. + * loop.c (loop_insn_first_p): Faster implementation. + +Thu Feb 25 10:44:35 1999 Richard Earnshaw (rearnsha@arm.com) + + * arm.h (TARGET_SWITCHES): Delete deprecated switches -m[236]. + (TARGET_3, TARGET_6): Delete. + (ARM_FLAG_ARM[36]): Delete. + (CPP_CPU_ARCH_SPEC): No need to handle -m[236] any more. + (CC1_SPEC): Don't expand -m[236] into new equivalents. + (CPP_APCS_PC_SPEC): No need to handle -m[236] any more. + * arm.c (arm_override_options): Delete warnings about deprecated + options -m[236]. + + * arm.c (arm_finalize_pic): Build the label into the special pic + adjustment insn instead of issuing it separately. + * arm.md (pic_add_dot_plus_eight): Rework to contain the label + that is needed. + + * arm.md (*zeroextractqi_compare0_scratch): Delete. + (*ne_zeroextractsi): New pattern. + +Thu Feb 25 18:40:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * stmt.c (expand_end_loop): Grok code emitted by + expand_exit_loop_if_false. + +Thu Feb 25 10:17:32 1999 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.c (return_in_memory): Float fields in unions + force a return in memory. + (load_multiple_sequence): Add comment explaining why two LDR + instructions can be better than an LDMIA instruction. + + * config/arm/arm.h (TARGET_SHORT_BY_BYTES): Add comment + describing the real meaning of this option. + (FIXED_REGISTERS): Default r10 to not-fixed. + (CALL_USED_REGISTERS): Default r10 to not-call-used. + (SUBTARGET_CONDITIONAL_REGISTER_USAGE): If not defined, define + as empty. + (CONDITIONAL_REGISTER_USAGE): Fix r10 if TARGET_APCS_STACK is + true. Invoke SUBTARGET_CONDITIONAL_REGISTER_USAGE after + performing other checks. + + * config/arm/arm.md (zero_extendhisi2): Undo previous change. + (extendhisi2): Undo previous change. + Also add comments describing why TARGET_SHORT_BY_BYTES can be + ignored for armv4(t) architectures. + + * config/arm/riscix.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE): + Define to fix r10. + + * config/arm/riscix1-1.h + (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define to fix r10. + +Thu Feb 25 12:09:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cse.c (dump_class): Make the function definition static to match + the prototype. + +Wed Feb 24 17:47:28 1999 Jim Wilson <wilson@cygnus.com> + + * dbxout.c (gstab.h): Use if CROSS_COMPILE. + + * dwarf2out.c (add_location_or_const_value_attribute): Add big + endian correction for parms passed in regs but living on the stack. + +Wed Feb 24 14:03:54 1999 Jeffrey A Law (law@cygnus.com) + + * calls.c (initialize_argument_information): New function extracted + from expand_call. + (expand_call): Use initialize_argument_information. Remove variables + which are no longer used due to cleanups. + + * calls.c (compute_argument_block_size): New function, extracted from + expand_calls. + (expand_calls): Use compute_argument_block_size. Delete + original_args_size, use unadjusted_args_size instead. + + * calls.c (precompute_arguments): New function, extracted from + expand_call. + (expand_call): Use precompute_arguments. + + * calls.c (finalize_must_preallocate): New function, extracted from + expand_call. + (expand_call): Use finalize_must_preallocate. + + * calls.c (store_one_arg): Mark "variable_size" as possibly unused. + + * regclass.c (record_reg_classes, case 'p'): Set classes appropriately. + An alternative always fails if it needs a pseudo and no suitable + register class can be found. + +Wed Feb 24 19:47:56 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.h (loop_insn_first_p): Declare. + * loop.c (loop_insn_first_p): No longer static. + * unroll.c (iteration_info) Fix comparison to + reg_iv_type->num_elements. + Before accessing reg_biv_class, check index against + max_reg_before_loop. + Fix and enable code for giv iterators. + (loop_iterations): Compare with reg_iv_type->num_elements instead + of with max_reg_before_loop. + +Wed Feb 24 19:17:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * unroll.c (unroll_loop): Avoid out-of-bounds index for local_regno. + +Wed Feb 24 11:26:41 1999 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Don't use + PIC_OFFSET_TABLE_REGNUM for register allocation when -fPIC. + +Tue Feb 23 16:24:19 CET 1999 Marc Lehmann <pcg@goof.com> + + * config/i386/i386.md: fix typoe. + +Mon Feb 22 19:36:33 1999 Andrew Cagney <cagney@b1.cygnus.com> + + * config/mips/mips.c (mips_debugger_offset): When TARGET_MIPS16 && + frame_pointer_needed adjust frame size. + (function_prologue): Don't MIPS16 .mask GPOFFSET. Already adjusted + in .frame pseudo-op. + Frm Jim Wilson <wilson@cygnus.com>: + * mips.c (function_prologue): Adjust frame size in .frame pseudo-op + when TARGET_MIPS16 && frame_pointer_needed. + +1999-02-22 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.h: Add TARGET_CPU_strongarm1100. + Add -mno-sched command line switch to disable scheduling of + instructions into the function's prologue. + (enum processor_type): Remove. + (TARGET_OPTIONS): Add "fpe=" option to match documentation. + (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p' + fields with 'processors' field. + (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack + checking is not enabled. + (RETURN_IN_MEMORY): Always call arm_return_in_memory. + + * config/arm/arm.c: (arm_cpu): Remove. + (tune_flags): Remove. + (arm_is_strong): New variable: true iff the target processor is a + StrongARM. + (arm_is_6_or_7): New variable: true iff the target processor is an + ARM6 or and ARM7. + (arm_select): Fields reorganised. + (struct processors): processor_type field removed. + (all_procs): Remove. + (all_cores): New array: Definitions of all known ARM cpu cores. + (all_architectures): New array: Definitions of all known ARM + architectures. + (streq): New macro. + (FL_SCHED): New processor flag: processor required load + scheduling. + (FL_STRONG): New processor flag: processor is a StrongARM. + (arm_override_options): Reorganised to make code clearer. + (use_return_insn): Test for "not (TARGET_APCS and + frame_pointer_needed)". + (arm_return_in_memory): Improve handling of structures. + + * config/arm/arm.md: Remove "cpu" attribute. Replace with + "is_strongarm" and "is_arm_6_or_7" attributes. + (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before + arm_arch4. + (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4. + + * invoke.texi (ARM Options): Document -mtune= and -mfp= options. + +1999-02-22 Philip Blundell <philb@gnu.org> + + * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default + definition with one including cache synchronisation. + (CLEAR_INSN_CACHE): Correct syscall number and enable definition. + Move definition of inhibit_libc to... + * config/arm/xm-linux.h: ... here. + + * config/arm/t-linux: Disable multilib configurations since the + only effect for most people is to cause builds to fail. + + * config/arm/elf.h (ASM_FILE_START): Add .file directive. + (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler. + + * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define. + (HANDLE_SYSV_PRAGMA): Likewise. + (LIB_SPEC): Copy definition from generic Linux files. + (LIBGCC_SPEC): Include -lfloat if -msoft-float was given. + (FP_DEFAULT): Set to SOFT3 on 32-bit targets. + (DWARF2_DEBUGGING_INFO): Define. + (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG. + +Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com> + + * loop.c (libcall_other_regs): Make extern. + * rtl.h (find_last_value): Add parameter to prototype. + (libcall_other_reg): Add extern declaration. + * rtlanal.c (find_last_value): Add another parameter to allow + a definition using a hardware register to be found as well. + +Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com> + + * cse.c (dump_class): New function. + (invalidate_memory): Fix typo in comment. + * function.c (temp_slot): Add an alias set field. + (assign_stack_temp): Only reuse slots if they will have the + same alias set as before. + (combine_temp_slots): Don't combine if -fstrict-aliasing; + that's unsafe. + * rtl.c (copy_rtx): Copy all the flags (in particular, + MEM_SCALAR_P). + +Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com> + + * configure.in (i[34567]86-*-linux-gnu*, + i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*, + i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as + fixincludes. + + * configure: Rebuilt. + + * fixinc.x86-linux-gnu: New script for fixing asm-statements bug + on x86 linux. + + * fixinc/fixinc.x86-linux-gnu: Copy of the previous one. + + * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*, + i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*, + i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as + fixincludes. + +Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com> + + * objc/objc-act.c (encode_type): Temporary revert to the old + behavior of encoding types as the new one seems to break the + encoding of bitfields. + +Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com> +Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com> + + * Makefile.in (all.internal, all.cross): Depend on `doc' + target, to ensure docs get made before installation. + + + Decrease spurious warnings from -fsyntax-only: + * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only. + +Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * c-lex.c (yylex): Replace warning about integer constants being + larger than long-longs, with a warning about integer constants + being larger than the largest target integer. + +Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com> + + Fix -fsyntax-only ICEs: + * varasm.c (assemble_zeros, assemble_variable, + output_constant_def): Do nothing when -fsyntax-only. + +Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com> + + * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support. + * configure: Rebuilt. + +Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com) + + * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete. + (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise. + * tm.texi: Update docs for constructors and destructors. + +Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com> + + * genattrtab.c (check_attr_value): Allow negative const_int if + negative_ok. Accept integral arithmetic operators. Accept + direct references to other attributes. Accept symbol_ref in + non-constant attributes. + (max_attr_value): Add new argument `unknownp'. Update all callers. + (or_attr_value): Likewise. + (simplify_knowing): Don't optimize if max_attr_value unknown. + (write_length_unit_log): Likewise with or_attr_value. + (find_and_mark_used_attributes): Don't fallthru case. + (write_attr_set): Pass thru all non-cond expressions. + (write_attr_value): Handle symbol_ref, attr, and arithmetic. + +Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * regmove.c (discover_flags_reg): Use word_mode instead of SImode. + +Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com> + + * regmove.c (discover_flags_reg): Remove cc0 code. + (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if + a potential flags register was identified. + +Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000.md (scc plus ltu): Fix typo in last change. + +Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com) + + * xm-arm.h (HOST_BITS_PER_LONGLONG): Define. + +Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com> + + * regmove.c (discover_flags_reg): New function. + (flags_set_1, mark_flags_life_zones): New functions. + (regmove_optimize): Call them. + (fixup_match_1): Use insn modes rather than sets_cc0_p. + +Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtlanal.c (insn_first_p): Fix return value for insn == reference. + + * loop.c (strength_reduce, check_final_value, check_dbra_loop): + Use loop_insn_first_p. + +Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com> + David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (scc plus eq): Fix output template. + (scc plus ltu): Fix output template and collapse variants + correcting early clobbers. + (scc plus geu): Fix output template. + (scc plus gt): Fix output template. + (scc plus gtu): Fix output template and collapse variants. + +Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppinit.c (print_help): Remove unescaped newline in string. + +Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Check for intervening jumps when + converting biv increment to giv. + +Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com> + + * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes, + * expr.c (expand_expr): Support new tree nodes. + +Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * config/m68k/m68k.c (m68k_align_loops_string, + m68k_align_jumps_string, m68k_align_funcs_string): Add const. + * config/m68k/m68k.h (m68k_align_loops_string, + m68k_align_jumps_string, m68k_align_funcs_string): Likewise. + +Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword. + + * bitmap.h (bitmap_print): Likewise. + + * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise. + + * c-lang.c (build_objc_string): Likewise. + + * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include + limits.h or ctype.h. Remove unused variable `p'. + + * c-lex.h (yyerror): Qualify a char* with the `const' keyword. + + * c-pragma.c (handle_pragma_token): Likewise. + + * c-pragma.h (handle_pragma_token): Likewise. + + * c-tree.h (build_objc_string, builtin_function, grokfield, + build_indirect_ref, lvalue_or_else, readonly_warning, error_init, + pedwarn_init): Likewise. + + * c-typeck.c (convert_for_assignment, warn_for_assignment, + push_string, warning_init, incomplete_type_error, + build_indirect_ref, lvalue_or_else, readonly_warning, + build_c_cast, spelling, push_member_name, print_spelling, + error_init, pedwarn_init, start_init): Likewise. + + * objc/objc-act.c (build_objc_string): Likewise. + + * print-tree.c (print_node_brief, print_node): Likewise. + + * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise. + +Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@gnu.org> + + * regclass.c (record_reg_classes): Correctly handle 'p' constraint. + +Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org> + + * configure.in :Handle OpenBSD platforms. + * configure: Rebuilt. + * config/openbsd.h: New file. + * config/xm-openbsd.h: New file. + * config/t-openbsd: New file. + * config/t-openbsd-thread: New file. + +Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com) + + * function.c (assign_stack_temp_for_type): Round SIZE before calling + assign_stack_local for BLKmode slots. + +Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): For derived givs, replace the + giv this was derived from with its new_reg. + (recombine_givs): Don't set new_reg for derived giv. + And don't print it, print SUM instead. + +Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com> + + * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support. + +1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * cpplib.c: Kill define of STDC_VALUE. Don't include output.h + or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to + macro_cleanup. + (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR, + predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, + CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct + cpp_pending, version_string, struct default_include, + include_defaults_array, path_include, cpp_options_init, + dump_special_to_buffer, initialize_builtins, cpp_start_read, + cpp_reader_init, nreverse_pending, push_pending, print_help, + cpp_handle_option, cpp_handle_options, cpp_finish, + cpp_cleanup): Move to cppinit.c. + (macro_cleanup, struct arglist, collect_expansion, + create_definition, compare_defs, comp_def_part, ARG_BASE, + struct argdata, macarg, change_newlines, timestamp, + monthnames, special_symbol, unsafe_chars, macroexpand, + push_macro_expansion): Move to cpphash.c. + (quote_string, check_macro_name, cpp_expand_to_buffer, + output_line_command, cpp_undef): Export. + (null_underflow, null_cleanup, handle_directive): Make static. + + * cpplib.h: Prototype now-exported functions. Adjust decls of + syntax tables so we can include cpplib.h in cppinit.c. + * cpphash.h: Prototype all functions exported by cpphash.c. + * cppinit.c: Make syntax tables initialized data if possible + (uses GCC designated-initializer extension). + * cppexp.c: Make cpp_lex static. + * Makefile.in: Move -D switches for the various include dirs + from cpplib.o rule to cppinit.o rule. Adjust dependencies. + +Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org> + + * alpha/openbsd.h: New file. + * alpha/xm-openbsd.h: New file. + * sparc/openbsd.h: New file. + * sparc/xm-openbsd.h: New file. + * m68k/openbsd.h: New file. + * m68k/xm-openbsd.h: New file. + * i386/openbsd.h: New file, originally from netbsd. + * i386/xm-openbsd.h: New file. + +1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * Makefile.in: Correct dependencies for cpplib object files. + +Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com> + + * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other + than cr0. + +Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Don't move giv insn for biv turned giv + below scan_start. + +Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tree.c (tree_node_kind_names, print_obstack_name, + get_identifier, maybe_get_identifier, build_string, + build_expr_wfl, is_attribute_p, lookup_attribute, + print_obstack_statistics, get_file_function_name_long, tree_check, + tree_class_check, expr_check): Qualify a char* with the `const' + keyword. + + * tree.h (get_identifier, maybe_get_identifier, build_string, + build_expr_wfl, is_attribute_p, lookup_attribute, + print_obstack_statistics, print_obstack_name, tree_check, + tree_class_check, expr_check): Likewise. + +Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com) + + * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing + errors. + + * calls.c (store_one_arg): Mark any slots used for the argument + as in-use immediately after we're done saving any slots which + will be overwritten by this argument. + +Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com> + + * rs6000.md (call_value): Fix typo. + +Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Calculate maybe_dead before + calling recombine_givs. + +Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Dump biv increment -> giv conversions. + +Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com> + + * objc/objc-act.c (encode_type): Encode the type instead of + encoding the mode of the type (patch from Richard Frith-Macdonald + <richard@brainstorm.co.uk>). + +Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com) + + * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load + instruction killed in previous change. Simplify mask generation. + (*zeroextractsi_compare0_scratch): Simpify mask generation. + +Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that + bitfield does not overflow a byte boundary. + +Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu> + + * c-common.c (shorten_compare): Get the min/max value from the + underlying type of an enumeration, not the enumerated type itself. + +Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com) + + * jump.c: Include insn-attr.h. + (delete_computation): If reload has completed and insn scheduling + after reload is enabled, then do not depend on REG_DEAD notes. + * Makefile.in (jump.o): Depend on insn-attr.h. + +Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com> + + * i386.md (addsi3): Allow lea for any constant_p. + +1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * toplev.c (documented_lang_options): Remove -fident and + -fnoident, which are now handled by the language independent + option parser. + +1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF. + * c-lex.c: Likewise. + * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked + list in malloced memory for the buffer stack. + (cpp_get_token): Don't pop the last buffer off the stack. + Calls after CPP_EOF has been returned produce CPP_EOF with no + state change. + (cpp_finish): Pop last buffer here. + (do_line): Don't free ip->last_nominal_fname if it is equal to + ip->fname. + (special_symbol): If a T_CONST is the empty string, push a + single `@ ' escape instead. + (macroexpand): Special symbol buffers have escapes too. + * cpplib.h (struct cpp_buffer): Remove unused fields, add prev + buffer pointer. + (struct cpp_reader): Remove buffer_stack. Add + buffer_stack_depth. + (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a + linked list. + +Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of + WIDE_INT with WIDEST_INT. + + * cexp.y: Likewise. + Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or + HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1() + style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace + occurrences of "unsigned_HOST" with "unsigned HOST". Provide a + definition of variable `c89' when compiling a test binary and set it. + + * system.h: Don't define the PRINTF_PROTO_* macros. + +Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com) + + * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something + we do not understand, mark the loop and containing loops as invalid. + +Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * alias.c (init_alias_analysis): Avoid self-referential value + when setting reg_known_value from REG_EQUAL notes. + +Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com> + + * i386.c (legitimate_address_p): Verify modes of base and index. + +Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com> + + * i386.c (legitimate_pic_address_disp_p): Remove static. + * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of + open-coding cases. + +Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com) + + * except.c (start_catch_handler): Use emit_cmp_and_jump_insns. + * explow.c (probe_stack_range): Likewise. + * expmed.c (do_cmp_and_jump): Likewise. + * expr.c (store_expr, expand_expr, expand_builtin): Likewise. + (do_tablejump): Likewise. + * stmt.c (expand_expr_stmt, expand_end_case): Likewise. + (do_jump_if_equal, emit_case_nodes): Likewise. + * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP, + then convert comparison to an unsigned code before emitting the jump. + (expand_float, expand_fix): Use emit_cmp_and_jump_insns. + +Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com) + + * loop.c: Disable recent loop changes. Temporary as Joern + continues to fix problems. + +Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com> + + * loop.c (combine_givs_used_by_other): Delete. + (combine_givs_benefit_from): Delete. + (combine_givs): Deny combination of givs only used once. Simplify + code with the death of combine_givs_benefit_from. + +Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.c (scan_loop): Call reg_in_basic_block_p before + loop_reg_used_before_p. + +Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com) + + * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...). + * arm.h: Likewise. + * arm.c: Likewise. + + * arm.h (TARGET_OPTIONS): Reformat for clarity. + (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols + in the constant pool aren't valid. + (LEGITIMATE_PIC_OPERAND_P): Likewise. + + * arm.c: Include "system.h", not stdio.h and string.h. + +Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com> + + * stmt.c (expand_return): Return if optimize_tail_recursion succeeded. + (optimize_tail_recursion): Change return type from void to int. + Add return statements. + * tree.h (optimize_tail_recursion): Change prototype to match. + +Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads_subreg_address): New function, broken out of + find_reloads_toplev. + (find_reloads_toplev, find_reloads_address_1): Use it. + +Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com) + + * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle + extending a CONST_INT. + + * h8300.md (peephole for combining memrefs): Delete incorrect peephole. + +Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset): + New functions. + (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset. + +Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (load_mems): Don't guess how to do a load / store, use + emit_move_insn. + +Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Provide a definition for HOST_WIDEST_INT, etc. + +Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change. + +Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com) + + * reload.c (find_reloads_address_1): Fix handling of an autoincremented + pseudo which is homed in the stack. + + * mips.c (save_restore_insns): Fix loop to save/restore FP registers. + (compute_frame_size): Change loop over FP regs to be consistent + with the loop in save_restore_insns. + +Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com> + + * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used. + (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96. + +Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com) + + * mn10200.md (bset); Re-enable. + +Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (is_sfunc): New attribute. + * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it. + +Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org> + + * fold-const.c (range_binop): Take account of the bounded nature + of fixed length arithmetic when comparing unbounded ranges. + +Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com) + + * function.c (assign_stack_temp_for_type): Clear best_p + when an exact match is found. + + * i386.h (LOCAL_ALIGNMENT): Define. + * function.c (assign_stack_local, assign_outer_stack_local): Use it. + (assign_stack_temp_for_type): New function based on assign_stack_temp. + (assign_stack_temp): Call it. + (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp. + * stmt.c: Use assign_temp, not assign_stack_temp. + * tm.texi: Document LOCAL_ALIGNMENT. + +Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com) + + * reorg.c: Finish deleting half-deleted comment. + +Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com> + + * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE + result. + * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE + result. + * real.c (endian): Delete sign extension code. + * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call + replaced with operand_subword call. + +Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com> + + * alpha.md (cmov compound patterns): Delete. Jump can now + create the correct constructs in the first place. + +Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com> + + * configure.in (alphaev6*): Fix typo in target_cpu_default2. + +Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com> + + * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0. + +Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com> + + * tmp-emsgids.c: Delete. + +Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com> + + * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU + coding standards. + +Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com) + + * mn10200.md (bset, bclr): Operand 0 is a read/write operand. + + * reload1.c (reload_combine_note_store): Second argument is no + longer unused/ignored. Handle multi-register hard regs. + (move2add_note_store): Simplify. + +Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu> + + * collect2.c (collect_execute): Remove cygwin-specific code. + +Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org> + + * system.h (_, N_): Remove dummy i18n macros. + * protoize.c: Move inclusion of intl.h to after system.h. + * cexp.y: Include intl.h. + * cexp.c: Rebuilt. + +Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore + fpic/fPIC for windows32 targets. + * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32 + paths with '/'. + * i386/mingw32.h (CPP_SPEC): Define. + (CPP_PREDEFINES): Add MINGW32 version id. + * i386/crtdll.h (CPP_PREDEFINES): Likewise. + + * Makefile.in (collect2$(exeext)): Delete redundant dependency and + add missing exeext to target. + + * gcc.c (convert_filename): Handle null filename argument. + +Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use + m constraint instead of QT. + +1999-02-09 Brendan Kehoe <brendan@cygnus.com> + + * cpplib.c (special_symbol): Move IP to be declared in function + scope, rather than individual case statements. + +1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * cppfiles.c (finclude): Handle pipes properly under old BSD + derivatives. + +1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca> + + * system.h: Provide fallback definitions for S_ISCHR, + S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY. + +1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * cpplib.c (do_define): Allow redefining __STDC__ with -D. + +1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com> + + * configure.in: For PowerPC configurations, accept "401", "ec603e", + "740", and "750" as valid arguments to --with-cpu. + * configure: Rebuilt. + +Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org> + + * configure.in (i[34567]86-*gnu*): Set float_format to i386. + * configure: Rebuilt. + +Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com) + + * rs6000.md: Revert "alternate use of crs if cr0 not available" + patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999. + +Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com> + + * output.h (current_function_has_computed_jump): Rename from + current_function_addresses_labels. + * function.h (struct function): Likewise for addresses_labels member. + * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise. + * function.c (current_function_has_computed_jump): Likewise. + Update all references. + * integrate.c (function_cannot_inline_p): + Test current_function_has_computed_jump instead of addresses_labels. + (initialize_for_inline): Likewise save. + (output_inline_function): Likewise restore. + + * expr.c (expand_expr): Don't reference addresses_labels variables. + * stmt.c (expand_computed_goto): Set has_computed_jump. + +1999-02-08 Michael Meissner <meissner@cygnus.com> + + This is being installed only to get it into the repository to help + with the revert, resubmit & review process for the massive rs6000.md + changes. + * rs6000.md (andsi3_internal1 splitter): Don't split if using the + rlwinm instruction. + (anddi3_internal1): Ditto. + (andsi3_internal{2,3}): Correct some insn lengths. + (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old + mnemonics. + +Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com> + + * loop.c (reg_single_usage): New file-scope variable ... + (scan_loop): ... moved out of here. Always initialize. + Test loop_has_call instead of reg_single_usage not zero. + Free reg_single_usage after strength reduction. + (count_loop_regs_set): Assume single_usage non-zero. + (combine_givs_used_by_other): Test reg_single_usage. + (load_mems_and_recount_loop_regs_set): Remove reg_single_usage + as a parameter. Assume non-zero. + +1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu> + + * cpplib.c (special_symbol): Rewrite. Don't copy things + multiple times. Handle __STDC__ specially. T_CONST + indicates a constant /string/. Don't handle T_*_TYPE and + T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of + adjust_position. Determine the file buffer only if needed. + (initialize_builtins): Handle __SIZE_TYPE__, + __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and + __REGISTER_PREFIX__ with T_CONST special hashtab entries. + Don't provide __OBJC__; the driver does that. Provide + __STDC_VERSION__, using T_CONST. Use T_STDC for + __STDC__. Give install the length of all symbols defined. + (eval_if_expression): Drop code to insert and remove the + "defined" special symbol. + + * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove + T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC. + + * cpphash.c (install): Drop the `ivalue' parameter. Constify + the `value' parameter. All callers changed. + * cpphash.h (install): Change prototype to match. + (union hashval): Remove `ival' member. + * cppexp.c (cpp_lex): Handle `defined' here. + +Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com) + + * pa.h (EXTRA_CONSTRAINT): Fix comment. + +Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com> + + * c-typeck.c (check_init_type_bitfields): Use nonincremental + initialization of unions whose first member is a bitfield. + Remove unnecessary code for checking the declaration mode + after DECL_C_BIT_FIELD. + + * varasm.c (output_constructor): Additional comment about the + constructor of bitfield union initialization. + +Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (*movhi_stik): New pattern. + (movhi): Allow some immediate constants to be directly + stored in memory. + +Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (all call patterns): Add constraints "Ur". + (call, call_value): Force address into a register if not valid + for a call instruction. + (load_immed_address): Emit a USE of the SYMBOL_REF that is + forced into memory. + * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers. + +Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (call_address_operand, symbolic_address_operand): + Rename from call_operand and symbolic_operand respectively. All + callers changed. + * config/c4x/c4x.md (call_address_operand, symbolic_address_operand): + Likewise. + * config/c4x/c4x.h (call_address_operand, symbolic_address_operand): + Likewise. + (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand. + +Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a + LO_SUM address for HImode or HFmode but instead force address into + a register so that it is offsettable. + (c4x_emit_move_sequence): Handle LO_SUM immediate address. + +Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for + REG+REG addressing if strength reduction enabled. + +Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete. + (TARGET_LIBGCC2_CFLAGS): Define. + +1999-02-08 Nick Clifton <nickc@cygnus.com> + + * config/v850/v850.md: Replace \\n\\t with \\; + + * config/v850/v850.md: Enforce TARGET_LONG_CALLS option. + * config/v850/v850.c (construct_restore_jr, construct_save_jarl): + Enforce TARGET_LONG_CALLS option. + +Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com> + + * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure. + +Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org) + + * m88k/t-luna-gas: Remove bash dependency. + +Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk> + + * collect2.c (xrealloc): Fix typo in last change. + +Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net> + + * tree.h (TYPE_CHECK): Make it clear to the preprocessor + that we do not want macro replacement within a character constant. + (TYPE_CHECK1): Likewise. + +Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com> + + * tree.h (DECL_P): New macro. + +Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (reload_insi): Do not earlyclobber the output operand. + + * README.g77, gcc.c, gcc.texi: Update email addresses. + * invoke.texi system.h: Likewise. + +Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com> + + * unroll.c (find_splittable_givs): After express_from, call replace_rtx + to convert dest_reg to new_reg. + +Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_combine_note_store): Be more careful with + STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT. + (move2add_note_store): Likewise. + +Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to + U_CHAR* when assigning to one. Ensure the values of a ?: operator + have the same type. + + * cppinit.c (initialize_char_syntax): Use K&R function definition. + +Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com> + + Support for ARM9 + * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi. + * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define. + (TARGET_CPU_DEFAULT): Rework to support ARM9. + (CPP_CPU_ARCH_SPEC): Likewise. + (enum processor_type): Likewise. + * config/arm/arm.md (attr cpu): Add arm9. + + General scheduling changes + * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete. + (max_insns_skipped): New variable. + (arm_override_options): If generating hard floating point code for + the FPA, emit code for version 3. + When optimizing for space, don't synthesize constants. + Reword several flags based on the requested processor and optimization + level. + (use_return_insn): New argument iscond, all callers changed. Don't + use a return insn if it will be conditional and that would be + expensive; eg on StrongARM. + (arm_adjust_cost): Anti- and output- dependencies normally have no + cost. + (load_multiple_sequence): Newer ARMs don't benefit from ldm if + the sequence is short. + (final_prescan_insn): Use max_insns_skipped instead of + MAX_INSNS_SKIPPED. Note whether we will make a return instruction + conditional, and aviod this if it would be expensive. + * config/arm/arm.md (scheduling attributes and function units): + Rewrite to better describe ARM8, 9 and StrongARM. + + * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate + s_register_operand. + (*ifcompare_plus_move): Use arm_rhs_operand in place of + arm_rhsm_operand. Rework constraints. + (*if_plus_move): Likewise. + (*ifcompare_move_plus): Likewise. + (*if_move_plus): Likewise. + (*ifcompre_arith_move): Likewise. + (*if_arith_move): Likewise. + (*ifcompare_move_arith): Likewise. + (*if_move_arith): Likewise. + + * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h. + +1999-02-05 Michael Meissner <meissner@cygnus.com> + + * loop.c (check_dbra_loop): A store using an address giv for which + we have no life information is not reversible. + +Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com> + + * function.c (fixup_var_refs): Scan catch_clauses too. + +Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com> + + * c-common.c (decl_attributes): Fix reserved space for init_priority. + * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro. + +Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com) + + * loop.c (strength_reduce): Clear not_every_iteration when + passing the NOTE_INSN_LOOP_CONT note. + + * haifa-sched.c (add_dependence): Do not add a dependency on a + note. + +Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com> + + * recog.c (split_block_insns): Only call update_flow_info if + instruction scheduling is enabled. + +1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * Makefile.in (gen-protos): Use libcpp.a like everyone else. + +Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (first_loop_store_insn): New file-scope variable. + (prescan_loop): Set it. + (check_dbra_loop): Check if a store depends on a register + that is set after the store. + +Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * unroll.c (entire file): Remove tabs / spaces at end of lines. + Replace spaces with tabs where appropriate. + +Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (scan_loop): New argument loop_cont. Changed caller. + (strength_reduce): New argument loop_cont. Changed caller. + Before clearing not_every_iteration after a label, check if + we are not already past LOOP_CONT. + +1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * cpperror.c (cpp_print_containing_files): Fix formatting + bug induced by merge. + +1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (initialize_char_syntax): Move to cppinit.c. + (cpp_define): Remove redundant syntax checks. + (make_assertion): Rename cpp_assert, remove redundant syntax + checks, export. + (cpp_options_init): Don't init things to zero twice. + (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop. + (do_include): Kill excessively verbose #import warning that + snuck back in in the gcc2 merge. + (convert_string): Removed. + (do_line): Rewrite with simple last-name-used cache instead of + private hashtable. + (cpp_start_read): Call initialize_char_syntax here, not... + (cpp_reader_init): ...here. + (cpp_handle_options): Support the -std switch. + * cpplib.h (cpp_buffer): Add last_nominal_fname member. + (cpp_options): Add c9x flag. + Declare all the is_* tables and trigraph table here, as const. + Prototype cpp_assert and initialize_char_syntax. + * cppinit.c: New file. + * cppfiles.c (read_and_prescan): Optimize. + * Makefile.in (LIBCPP_OBJS): Add cppinit.o. + +Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3, + [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register + before calling gen_div_trap. + +Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com) + + * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather + than numeric value for target_cpu_default.. + * configure: Rebuilt. + +Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr> + + * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and + mkstemp. Get them from libiberty. + (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp. + (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute. + (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules. + (mkstemp.o, getopt1.o, getopt.o): Likewise. + + * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric + values. + * pa-hpux.h (LINK_SPEC): Likewise. + * pa-hpux10.h (LINK_SPEC): Likewise. + * pa-hpux9.h (LINK_SPEC): Likewise. + * pa-osf.h: (LINK_SPEC): Likewise. + * pa-pro.h (TARGET_DEFAULT): Likewise. + * pa1.h (TARGET_DEFAULT): Likewise. + * pa.h (MASK_*): New defines. + (TARGET_*): Use symbolic values rather than numeric values. + (TARGET_SWITCHES): Likewise. + (TARGET_DEFAULT): likewise. + (CPP_SPEC): likewise. + +Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (reload_cse_regs_1): Undo Jan 16 patch. + * reload.c (find_reusable_reload): New function, broken out of + push_reload. Add code to verify that none of the involved + outputs are subject to earlyclobbers. + (push_reload): Break out new function find_reusable_reload. + Delete "register" keyword for IN, OUT args. + +Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * config/mips/mips.c (true_reg_or_0_operand) : New function. + * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand. + * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16): + Use true_reg_or_0_operand for div_trap. + +Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.h (express_from): Declare. + (struct induction): Replace derived flag with derived_from pointer. + * loop.c (strength_reduce, record_giv, recombine_givs): Likewise. + (express_from): No longer static. + * unroll.c (find_splittable_givs): Replace derived with derived_from. + When processing an address giv with which another giv has been + combined that has also been derived from a third giv, handle like + having combined with the third giv. + Set splittable_regs_updates appropriately for derived givs. + +Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * config/mips/mips.md (div_trap_mips16): Remove nop's after branches. + +Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com) + + * pa.c (insn_sets_and_refs_are_delayed): New function. + * pa.h (INSN_SETS_ARE_DELAYED): Use it. + (INSN_REFERENCES_ARE_DELAYED): Likewise. + +Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com) + + * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete. + * config/arm/t-linux (LIBGCC2_CFLAGS): Delete. + (TARGET_LIBGCC2_CFLAGS): Define. + (LIBGCC2_DEBUG_CFLAGS): Define. + * config/arm/t-netbsd: Likewise. + * config/arm/t-semi: Likewise. + * config/arm/t-semiaof: Likewise. + * config/arm/t-riscix: Likewise. + +Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * config/m68k/m68k.c (print_operand_address): When printing a + SYMBOL_REF that ends in `.<letter>' put parentheses around it. + +Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org> + + * i386/freebsd*.h now allows '$' in label names and does not use the + PCC struct return method. + +Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com> + + * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses + of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST. + (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file + names if host == target. + (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete. + (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS. + (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules + setting them to *_FOR_TARGET. + * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): + Delete. + +Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> + + * toplev.h (read_integral_parameter): Declare. + * toplev.c (read_integral_parameter): New function. + +Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com> + + * resource.c, resource.h: New files. + * Makefile.in (OBJS): Add it. + + * haifa-sched.c (regno_use_in): Moved to rtlanal.c. + (split_block_insns): Moved to recog.c. + (update_flow_info): Make public. + * rtl.h: Declare them. + + * reorg.c: Moved the functions dealing with computing resource + usage to resource.c. + + * sched.c (regno_use_in): Moved to rtlanal.c. + (update_flow_info): Make public. + (schedule_insns): Use split_block_insns. + + * recog.c (split_block_insns): New function. + +Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused. + (LINK_OS_DEFAULT_SPEC): Delete, unused. + +Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com> + + * configure.in (arm-*-oabi): Support. + * configure: Regenerate. + * config/arm/unknown-elf-oabi.h: New file. + +Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com) + + * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern. + Make the anonymous pattern match when ! optimize_size. + (ashlsi3 size optimizer): New pattern. + + * intl/Makefile.in (uninstall): Add missing "; \". + +Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com> + + * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x + synonym. + +Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (loop_optimize): Fix value max_uid_for_loop is reset + to after find_and_verify_loops call. + +Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * (recombine_givs): Don't use a giv that's likely to be dead to + derive others. + + * loop.c (recombine_givs): Fix test for lifetime overlaps / loop + wrap around when deriving givs. + +Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com> + + * recog.c (check_asm_operands): Treat indeterminate operand ok + results as success. Try harder to resolve a matching constraint. + * stmt.c (expand_asm_operands): Recognize when an output operand's + constraint does not allow memory. Treat indeterminate operand ok + results as failure. Try harder to resolve a matching constraint. + +Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com> + + Use varrays for constant-equivalence data: + + * varray.h (struct const_equiv_data): New type. + (union varray_data_tag): New element const_equiv. + (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros. + (VARRAY_SIZE): New macro, returns number of elements. + * integrate.h: Include varray.h. + (struct inline_remap): Replace const_equiv_map, const_age_map and + const_equiv_map_size with a const_equiv_varray element. + (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if + needed. + (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields + simultaneously, growing the varray if needed. + + * integrate.c (global_const_equiv_map, + global_const_equiv_map_size): Deleted, replaced by.... + (global_const_equiv_varray): New variable. + (expand_inline_function): References changed. + * integrate.h: Update declarations. + + * integrate.c (process_reg_parm, expand_inline_function, + copy_rtx_and_substitute, try_constants, subst_constants, + mark_stores): Use varray allocation and accessor macros, new + integrate.h macros, and global_const_equiv_varray. Don't + conditionalize non-NULL stores on array size; instead, expand the + array as needed. + * unroll.c (unroll_loop): Likewise. + + * unroll.c (unroll_loop): Initialize const_equiv_varray element to + zero. After allocating varray, always exit through bottom of + function, where it can be deallocated if needed. Don't explicitly + reallocate const_equiv_map storage; instead, just ensure the + varray has been initialized, and update the global reference. + +Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (inline, const): Handle these for stage2 (and later) gcc. + + * dwarf2out.c (inline): Don't define. + + * dwarfout.c (inline): Likewise. + +Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com> + + * loop.c (recombine_givs): Dump recombination and derivation data. + +Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu> + + * flags.h: Declare flag_no_ident. + * toplev.c: Define flag_no_ident. Process -f(no-)ident here. + * c-tree.h: Don't declare flag_no_ident. + * c-decl.c: Don't define flag_no_ident. Don't process + -f(no-)ident switches here. + + * config/elfos.h (ASM_FILE_END): Output final .ident directive + only if !flag_no_ident. + * config/ptx4.h: Likewise. + * config/svr4.h: Likewise. + * config/alpha/elf.h: Likewise. + * config/arm/linux-elf.h: Likewise. + * config/i386/sco5.h: Likewise. + * config/i860/fx2800.h: Likewise. + * config/mips/gnu.h: Likewise. + * config/i386/osfrose.h: Likewise. + + * gcc.c (C specs): Map -Qn to -fno-ident. + * objc/lang-specs.h: Likewise. + +Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * configure.in: Don't remove loop.o and unroll.o when + enable-haifa is selected. + * configure: Rebuilt. + +Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com) + + * i386.md (movsicc, movhicc, movsfcc, movdfcc, + movxfcc, movdicc): Delete unconstrained alternatives. + * i386.c (output_fp_conditional_move, + output_int_conditional_move): Delete unused case. + +Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com> + + * alpha.md (mov patterns): Emit the assembler aliases mov and fmov + instead of bis and cpys. Combine alternatives where possible. + +Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcov.c (fnotice): Add missing FILE* parameter. + (function_summary): Fix format specifiers in calls to `fnotice'. + (output_data): Likewise. + + * toplev.c (fnotice): Constify char* parameter. + + * toplev.h (fnotice): Add prototype. + Wrap prototype with BUFSIZ to protect FILE* usage. + +Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs. + +Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com) + + * combine.c (distribute_notes): Handle REG_EH_REGION notes. + + * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to + function definition. + (aliases_everything_p, write_dependence_p):Likewise. + + * install.texi: Fix merge lossages. + + * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES + is defined. + * collect2.c (main): Likewise. + * cppmain.c (main): Likewise. + * gcc.c (main): Likewise. + * gcov.c (main): Likewise. + * protoize.c (main): Likewise. + * toplev.c (main): Likewise. + + * pa.md (parallel shift and shiftadd): Mark output of shift as an + earlyclobber. + + * loop.c: Disable recent loop changes. Temporary as Joern + continues to fix problems. + +Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Size reg_map according to reg_iv_type. + +Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com> + + * emit-rtl.c (remove_insn): New function. + * rtl.h (remove_insn): Add prototype. + * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn. + +Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (recombine_givs): Don't try to derive givs that have combined. + +Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__, + when declaring arguments and calling va_arg() to initialize them. + + * collect2.c (notice): Likewise. + + * loop.c (find_life_end): Use PROTO() macro in the prototype. + +Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.c (error): Fix typo in declaration. + + * cpperror.c (cpp_message): Likewise. + + * cpplib.c (cpp_warning): Likewise. + + * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add + ATTRIBUTE_PRINTF_1. + + * toplev.c (error): Fix typo in declaration. + +Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning + forward from cont dominator. + +Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cccp.c (eprint_string): Constify a char*. + (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1. + (vnotice): Constify a char*. + (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1. + (verror): Constify a char*. + (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1. + (vwarning): Constify a char*. + (error_with_line): Likewise. Use PVPROTO not VPROTO, add + ATTRIBUTE_PRINTF_2. + (verror_with_line): Constify a char*. + (vwarning_with_line): Likewise. + (warning_with_line): Likewise. Use PVPROTO not VPROTO, add + ATTRIBUTE_PRINTF_2. + (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add + ATTRIBUTE_PRINTF_1. + (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2. + (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4. + Also correct typo in parameter name declaration. + (make_assertion): Constify a char*. + (quote_string_for_make): Likewise. + (deps_output): Likewise. + (fatal): Likewise. Use PVPROTO not VPROTO, add + ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit + "__attribute__ ((noreturn))". + (fancy_abort): Likewise for ATTRIBUTE_NORETURN. + (pfatal_with_name): Likewise. + (pipe_closed): Likewise. + (memory_full): Likewise. + +Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): Grow set_in_loop / n_times_set / + may_not_optimize to proper size when converting biv increments + into givs. + If necessary, reallocate reg_iv_type / reg_iv_info before calling + recombine_givs. + +Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (recombine_givs): New parameter unroll_p. If set, don't + generate complex adds. Changed caller. + Don't generate adds that cost more than the original one. + (strength_reduce): Warning fixes. + +Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com) + + * configure.in (hppa1.0-hp-hpux10*): Use t-pa. + * configure: Rebuilt. + +Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtl.h (insn_first_p, no_jumps_between_p): Declare. + * rtlanal.c (insn_first_p, no_jumps_between_p): New function. + * loop.h (varray.h): Include. + (struct induction): Change combined_with to unsigned. + New members derived, ix and last_use. + (reg_iv_type, reg_iv_info): Now varray_type. All references changed. + (REG_IV_TYPE, REG_IV_INFO): Define. + (first_increment_giv, last_increment_giv): Declare. + * loop.c (loop_number_loop_cont): New static variable. + (loop_number_cont_dominator): Likewise. + (reg_iv_type, reg_iv_info): Now varray_type. + (first_increment_giv, last_increment_giv): New variables. + (compute_luids, verify_dominator, find_life_end): New functions. + (cmp_recombine_givs_stats, recombine_givs): Likewise. + (loop_optimize): Allocate loop_number_loop_cont and + loop_number_cont_dominator. Use compute_luids. + (find_and_verify_loops): Initialize loop_number_loop_cont and + loop_number_cont_dominator. + (strength_reduce): Try to find bivs that can be expressed as givs + of another biv, and to convert biv increments into givs. + Call recombine_givs. Handle derived givs. + (record_biv): New argument location. All callers changed. + (record_giv): Initialize derived and last_use fields. + (basic_induction_var): New argument location. All callers changed. + (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv. + Increment combined_with instead of setting to 1. + * unroll.c (derived_regs): New static variable. + (unroll_loop): Initialize it. + Allocate local_regno according to max_reg_num. + (copy_loop_body): Cope with derived givs. + (find_splittable_givs): Check for Givs made from biv increments. + Set derived_regs for givs. + * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h . + +Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * function.c (purge_addressof_1): Handle case when a register + has been used in a wider mode. + +1999-01-27 Bruce Korb <autogen@linuxbox.com> + + * fixinc/fixincl.c, fixinc/server.[ch]: + Removed the last of the capitalized variable and proc names. + + * fixinc/server.c: Removed the process open code + * fixinc/procopen.c: New file containing the proc open code + * fixinc/inclhack.tpl: Added code to bypass a readability test + when a file is not present. A problem on some systems. + * fixinc/inclhack.sh, fixinc/fixincl.sh: regenerated + +Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com> + + * cpplib.h (cpp_notice): Add prototype. + +Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com) + + * Merge gcc2 snapshot 19980929. + + * cccp.c (PRINTF_PROTO): Remove. + (PRINTF_PROTO_{1,2,3,4}: Likewise. + * cexp.y: Likewise. + * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}. + + * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp. + (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise. + (cpp_fatal, cpp-Pfatal_with_name): Likewise. + + * gen-protos.c (hashf): Delete in cpphash.o + * gen-protos.c (hashf): Delete in cpphash.o + + * expr.c: Do not merge SAVE_STACKAREA_MODE changes. + * expmed.c: Likewise. + * rs6000.md: Likewise. + + * rs6000.c, rs6000.md: Do not merge formatting changes yet. + +Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com> + + * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX. + * rs6000.md (movsi, movdi): Likewise. + +Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com> + + * function.c (expand_function_end): Pass arg_pointer_save_area to + validize_mem before using it. Emit code into a sequence. + +Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (doz + set cr and or + set cr patterns): Add missing + '#' to split patterns. Correct indentation of some new patterns. + +1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu> + + * cppfiles.c (safe_read): Deleted. + (read_and_prescan): New function, replaces safe_read, converts + and/or warns about trigraphs, silently converts odd line + terminators (\r, \n\r, \r\n). Warns about no newline at EOF. + (finclude): Use read_and_prescan; turn off nonblocking mode on + the input descriptor; remove file-size-examination and + no-newline-at-EOF gunk which is longer necessary; be more + careful about checking that we've been handed a legitimate + file to read (only real files, pipes, and ttys are acceptable). + * cpplib.h (cpp_options): Rename no_trigraphs flag to + `trigraphs' and invert its sense. + (trigraph_table): Declare. + (cpp_warning_with_line): Prototype. + * cpplib.c: Remove all references to trigraph_pcp. Define + trigraph_table; initialize it in initialize_char_syntax. Open + files in nonblocking mode. s/no_trigraphs/trigraphs/ + throughout, and invert sense. Put cpp_warning_with_line back + in and export it. + +Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (COUNTER_REGS): New register class. + * config/c4x/c4x.md (*rptb_init): Change constraints. + (rptb_end): Emit alternate looping instructions if + RC register not allocated for loop counter. + (decrement_and_branch_on_count): Allow other registers + for loop counter. + +1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu> + + * cppexp.c (struct arglist): Removed. + (parse_number): Use HOST_WIDE_INT for the accumulator. + Allow two `l' suffixes unless C89. Clean up. Make static. + (parse_charconst): New function broken out of cpp_lex. + Code cleaned up drastically. Don't use a token_buffer. + (token_buffer): Removed. + (cpp_lex): Don't call parse_number on a constant string. + Use parse_charconst. + (cpp_parse_expr): Properly handle an ERROR op returned by + cpp_lex. + +1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c: Don't include signal.h, sys/times.h, or + sys/resource.h. Don't declare localtime. + (macroexpand): Handle special symbols here. + (push_macro_expansion): Chop off the trailing '@ ' if possible + here. + (cpp_get_token): Don't do either of the above two things here. + Move `string' label just after case '"' so that wide strings + don't crash the preprocessor. + +Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (left shift + set cr patterns): Add missing '#' to + split patterns. + (move register + set cr pattern): Ditto. + (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch, + inadvertently deleted. + +Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com) + + * stmt.c (stmt_loop_nest_empty): New function. + * tree.h (stmt_loop_nest_empty): Declare it. + * rtl.def (CALL_PLACEHOLDER): New rtx code. + +Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info): + New functions. + (c4x_check_legit_addr): Remove USE and PLUS, allow + LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases. + (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and + CONST cases. Add LO_SUM. + (c4x_print_operand): Modified 'C' and 'R' cases for calls. + Added 'U' case. Remove dependence on SYMBOL_REF_FLAG. + (c4x_print_operand_address): Handle LO_SUM. + (c4x_scan_for_ldp): Delete. Hooray! + (c4x_process_after_reload): Remove call to c4x_scan_for_ldp. + Split all insns. + (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers + changed. + (c4x_immed_float_constant): Renamed from c4x_float_constant. All + callers changed. + (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF, + and CONST. + (c4x_U_constraint, symbolic_operand): New functions. + (src_operand): Allow 'I' constants in HImode. Allow LO_SUM, + disable SYMBOL_REF, LABEL_REF, and CONST. + (lsrc_operand, tsrc_operand): Call src_operand instead of + general_operand. + (c4x_operand_subword): Update comments. + + * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro. + (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST, + plus HIGH and LO_SUM for the C40. + (ENCODE_SECTION_INFO): Define macro. + (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New + prototypes. + (PREDICATE_CODES): Add symbolic_operand. + + * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call + c4x_emit_move_sequence. + (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL + to avoid symbol references. + (all patterns with g constraint): Replace 'g' constraint with 'rIm'. + (set_high): Renamed from set_high_use. + (set_lo_sum): Renamed from set_ior_lo_use. + (all call patterns): Make MEM explicit in call address operands. + Modified output templates to use 'U' modifier. + +Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * final.c (bb_str): Qualify a char* with the keyword `const'. + (add_bb_string, final_scan_insn, output_asm_insn): Likewise. + + * fix-header.c (read_scan_file): Likewise. + + * genoutput.c (output_epilogue, process_template): Likewise. + + * local-alloc.c (requires_inout, block_alloc): Likewise. + + * output.h (output_asm_insn, assemble_string): Likewise. + + * recog.c (recog_constraints, check_asm_operands, + decode_asm_operands, extract_insn, preprocess_constraints, + constrain_operands): Likewise. + + * recog.h (operand_alternative, recog_constraints, insn_template, + insn_outfun, insn_operand_constraint, insn_name): Likewise. + + * regclass.c (record_reg_classes, scan_one_insn): Likewise. + + * regmove.c (find_matches): Likewise. + + * reload.c (alternative_allows_memconst): Likewise. + + * reload1.c (constraint_accepts_reg_p, + reload_cse_simplify_operands): Likewise. + + * rtl.h (decode_asm_operands): Likewise. + + * scan.h (fn_decl): Likewise. + + * varasm.c (assemble_string): Likewise. + +Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com) + + * configure.in (gcc_tooldir): Handle case where exec_prefix has + not been explicitly set. + * configure: Rebuilt. + + * fold-const.c (lshift_double): Mark 'prec' arguments as possibly + unused. + + * bitmap.h (bitmap_head_def): Make indx field unsigned. + + * configure.in (gcc_tooldir): When not making a relative gcc_tooldir, + use $exec_prefix/$target_alias for gcc_tooldir. + * configure: Rebuilt. + +Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com> + + * cppp.c (xrealloc): Fix typo last change. + * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise. + * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise. + * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise. + +1999-01-22 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (CR0_REGNO_P): New macro to test if cr0. + (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0. + (PREDICATE_CODES): Add cc_reg_not_cr0_operand. + (cc_reg_not_cr0_operand): Add declaration. + + * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a + pseudo register, or a control register that is not CR0. + + * rs6000.md (all combiner patterns building . instructions): For + all `.' instructions that do something and set cr0, add an + alternative that does the operation, and then sets a different + flag, in order to avoid using the costly mcrf instruction and also + allow cr0 to be clobbered in asm statements. Also fix a few + patterns that used the wrong register. + + * rs6000.h (rs6000_cpu_select): Make string, names be const char *. + (rs6000_debug_name): Make const char *, not char *. + + * sysv4.h (rs6000_{abi,sdata}_name): Make const char *. + + * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *. + (rs6000_select): Use const char * in casts. + +Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (gcc_tooldir): Move before first reference. + Let autoconf substitute in a value. + * configure.in (gcc_tooldir): Only use a relative path to the + tool directory if $exec_prefix == $prefix. + * configure: Rebuilt. + + * Makefile.in (tooldir): Replace with gcc_tooldir. + +Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com) + + * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention. + (ashldi3 expander): Similarly. Update comments. + (ashrdi_const, lshrdi_const): Fix indention. + (ashrdi3, lshrdi3): FIx indention. Update comments. + +Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com> + + * emit-rtl.c (try_split): Don't try to split non-instructions. + +Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com> + + * expr.c (emit_push_insn): Fix dumb typo. + +Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com> + + * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept + transformations that we have performed earlier. + * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise. + + * alpha.md (prologue_stack_probe_loop): Don't do our own label + handling, call gen_label_rtx instead. + +Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com> + + * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'. + + * cccp.c (xrealloc): Call malloc given a NULL old pointer. + * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise. + * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise. + * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise. + * genrecog.c, mips-tfile.c, protoize.c: Likewise. + +Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com> + + * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If + --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress + adding -Wl,-bbigtoc to BOOT_LDFLAGS. + * configure: Regenerate. + + * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS. + +Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com> + + * cppexp.c (cpp_lex): Allocate token_buffer dynamically. + +Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com> + + * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use + move_by_pieces. + (MOVE_MAX_PIECES): Define maximum number of bytes to move at once. + (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults. + (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults. + (move_by_pieces): Use new macros. + (emit_block_move): Use new macros. + (clear_by_pieces): Use new macros. + (clear_storage): Use new macros. + (emit_push_insn): Use new macros. + (expand_expr): Use new macros. + * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): + Define. + (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define. + (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE. + (MOVE_MAX_PIECES): move 8 bytes on SH4. + * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT, + USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT, + USE_STORE_PRE_DECREMENT): Describe new macros. + +Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com> + + * varasm.c (output_constant_pool): Use floor_log2 instead of + exact_log2 for ASM_OUTPUT_ALIGN. + + * stor-layout.c (layout_type): Do machine-dependent extra alignment. + + * emit-rtl.c (operand_subword): Handle case when a subword outside + the operand. + + * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of + the macros. + +Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com> + + * cse.c (fold_rtx): Revert 29 Dec change. + (cse_insn): Revert 12 Jan change. + * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX. + * regclass.c (reg_scan_mark_refs): Revert 29 Dec change. + * rtl.def: Likewise. + * rtl.h (CONSTANT_P): Likewise. + + * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX + to memory. + * recog.c (immediate_operand): Accept CONSTANT_P_RTX. + * alpha.c (input_operand): Likewise. + * c4x.c (const_operand): Likewise. + + * explow.c (allocate_dynamic_stack_space): Use register_operand + instead of arith_operand, which does not exist. + + * 1750a.h: Fix comment closure. + * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change. + * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch. + * arm.h (TARGET_SWITCHES): Fix typo. + * i370.md (anon mult and div patterns): Fix set mode mismatch. + * i860.c (output_delayed_branch): Fix operands to constrain_operands. + (output_delay_insn): Likewise. + * m88k.md (anon rotate insns): Fix set mode mismatch. + (anon BLKmode moves): Commonize and fix set mode mismatches. + * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch. + * romp.md (movdf): Fix typo. + +Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org> + + * Makefile.in (install-common): Remove extraneous chmod for gcov + install. + +Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com> + + * function.c (assign_parms): Save and restore setting of + TREE_USED (parm). + +Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com> + + * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout. + Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate. + +Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com> + + * recog.c (pop_operand): New function. + * recog.h (pop_operand): Declare it. + * genrecog.c (preds): Define it. + + * expr.c (do_jump_for_compare): Handle conditional branch expanders + emitting multiple jump instructions. + * jump.c (condjump_label): New function. + * rtl.h (condjump_label): Declare it. + +Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com> + + * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit + clobber during or after reload. + +Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com> + + * genoutput.c (name_for_index): New function. + (scan_operands, validate_insn_alternatives): Use it. + * genrecog.c (insn_name_ptr_size): New variable. + (make_insn_sequence): Fill in insn_name_ptr. + (merge_trees): Use it. + +Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com> + + * i386/isc.h (TARGET_DEFAULT): Define symbolicly. + * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise. + * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise. + +Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com) + + * loop.c (NUM_STORES): Delete. + (loop_store_mems): Turn into an EXPR_LIST of MEMs. + (prescan_loop): Properly initialize loop_mems_idx. + (note_addr_stored): Simplify using list structure instead of + fixed sized array. + (invariant_p, check_dbra_loop, load_mems): Similarly. + + * flow.c (invalidate_from_autoinc): New function. + (mark_set_1, mark_used_regs): Use it. + + * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile. + +1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com> + + * invoke.texi (-mlong-double-64): New option description. + +1999-01-19 Jim Wilson <wilson@cygnus.com> + + * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to + LIBGCC2_LONG_DOUBLE_TYPE_SIZE. + (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE + if not defined. + * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics. + (CPP_SPECS): Add -mlong-double-64 support. + (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New. + (TARGET_SWITCHES): Add -mlong-double-64 support. + (LONG_DOUBLE_TYPE_SIZE): Likewise. + (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define. + * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float. + (CPP_SPECS): Add -mlong-double-64 support. + * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64. + (MULTILIB_DIRNAMES): Add ld64. + * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise. + +Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com> + + * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by + invisible reference. + +Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (offsettable_addr_operand): Delete. + (offsettable_mem_operand): New function. + * rs6000.h (PREDICATE_CODES): Reflect function change. + (RS6000_SAVE_TOC): Represent address as MEM. + * win-nt.h (RS6000_SAVE_TOC): Same. + * rs6000.md (indirect calls): Change offsettable address parameter + to offsettable memory parameter. + +Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com> + + * rtl.h (rtx_def): Update documentation. + (MEM_IN_STRUCT_P): Likewise. + (MEM_SCALAR_P): New macro. + (MEM_COPY_ATTRIBUTES): Likewise. + (MEM_SET_IN_STRUCT_P): Likewise. + * rtl.texi (MEM_SCALAR_P): Document. + * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES. + (fixed_scalar_and_varying_struct_p): New function. Use + MEM_SCALAR_P rather than !MEM_IN_STRUCT_P. + (aliases_everything_p): Likewise. + (true_dependence): Use them. + (write_dependence_p): New function, containing code common to + anti_dependence and output_dependence. + (anti_dependence): Use it. + (output_dependence): Likewise. + * calls.c (save_fixed_argument_area): Don't clear + MEM_IN_STRUCT_P. + (expand_call): Use MEM_SET_IN_STRUCT_P. + (emit_library_call): Don't clear MEM_IN_STRUCT_P. + (emit_library_call_value): Likewise. + (store_one_arg): Use MEM_SET_IN_STRUCT_P. + * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES. + (make_extraction): Likewise. + (simplify_shift_const): Likewise. + (gen_lowpart_for_combine): Likewise. + * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES. + * emit-rtl.c (operand_subword): Likewise. + (change_address): Likewise. + * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES. + * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES. + (emit_group_store): Use MEM_SET_IN_STRUCT_P. + (copy_blkmode_from_reg): Likewise. + (store_field): Likewise. + (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P + heuristically. Use MEM_SET_IN_STRUCT_P. + (get_memory_rtx): Likewise. + * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES. + * function.c (assign_stack_temp): Clear MEM_SCALAR_P and + MEM_ALIAS_SET on newly returned MEMs. + (assign_temp): Use MEM_SET_IN_STRUCT_P. + (put_reg_into_stack): Likewise. + (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES. + (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P. + (assign_parms): Likewise. + (expand_function): Likewise. + * integrate.c (expand_inline_function): Likewise. + (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES. + * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P. + * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES. + * print-rtl.c (print_rtx): Print /f for frame_related. + * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES. + * reload1.c (reload): Copy MEM_SCALAR_P as well. + * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P. + (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES. + * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P. + (output_constant_def): Likewise. + * a29k.c (a29k_set_memflags_1): Take scalar_p. + Set MEM_SCALAR_P. + (a29k_set_memflags): Use it. + * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES. + * c4x.c (c4x_scan_for_ld): Likewise. + * h8300.c (fix_bit_operand): Likewise. + * m88k.c (legitimize_address): Likewise. + (block_move_loop): Likewise. + (block_move_no_loop): Likewise. + (block_move_sequence): Likewise. + (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P. + * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise. + * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES. + * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P. + * arm.h (arm_gen_load_multiple): Take scalar_p. + (arm_store_load_multiple): Likewise. + * arm.c (arm_gen_load_multiple): Likewise. + (arm_gen_store_multiple): Likewise. + (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P. + +Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com> + + * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all + calls within a libcall block to indicate no throws are possible. + * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for + libcall blocks. Don't add edges to exception handlers if we see + a REG_EH_REGION note with a value of 0. + (make_edges): Override active_eh_region vector if the call has a note + indicating the call does not throw. + +1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}. + +Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (cccp.o, cpplib.o): Depend on Makefile. + +Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com> + + * invoke.texi (C++ Dialect Options): Document -fno-rtti. + +1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com> + + * invoke.texi (-mcpu=740, -mcpu=750): New options. + (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 & + PPC750. + +1999-01-18 Michael Meissner <meissner@cygnus.com> + + * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines + supported with -mcpu=xxx. + (processor_type): Add PROCESSOR_PPC750. + (ADJUST_PRIORITY): Call rs6000_adjust_priority. + (RTX_COSTS): Supply costs for 750 multiply/divide operations. + (rs6000_adjust_priority): Add declaration. + + * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the + processor type as 750, not 603. Allow -mmultiple and -mstring on + little endian 750 systems. + (rs6000_adjust_priority): Stub for now. + (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle. + + * rs6000.md (function/cpu attributes): Add initial ppc750 support. + + * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if + little endian. + (CC1_SPEC): Pass -mstrict-align if little endian, and not + overridden. + (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs. + (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs. + + * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is + little endian. + + * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs. + +Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * config/mips/mips.md (div_trap): Split div_trap_mips16 + from div_trap. + (div_trap_normal,div_trap_mips16): Correct the length attributes. + +Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpplib.c (special_symbol): Qualify a char* with the `const' keyword. + Instead of writing to const char *buf directly, use a non-const + variable `wbuf' to allocate and write a string, then set buf = wbuf. + + * cppulp.c (user_label_prefix): Qualify a char* with the `const' + keyword. + + * dyn-string.c (dyn_string_append): Likewise. + + * dyn-string.h (dyn_string_append): Likewise. + + * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise. + + * output.h (end_final, output_operand_lossage, asm_fprintf, + named_section, decode_reg_name, make_decl_rtl, user_label_prefix): + Likewise. + + * profile.c (init_branch_prob): Likewise. + + * toplev.c (set_target_switch, vmessage, + v_message_with_file_and_line, v_message_with_decl, + v_error_with_file_and_line, v_error_with_decl, v_error_for_asm, + verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl, + v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl, + v_pedwarn_with_file_and_line, vsorry, v_really_sorry, + open_dump_file, dump_rtl, clean_dump_file, + print_version, print_single_switch, print_switch_values, + dump_base_name, debug_args, lang_independent_options, + user_label_prefix, documented_lang_options, target_switches, + target_options, print_time, pfatal_with_name, fatal_io_error, + fatal_insn, default_print_error_function, print_error_function, + report_error_function, error_with_file_and_line, error_with_decl, + error_for_asm, error, fatal, warning_with_file_and_line, + warning_with_decl, warning_for_asm, warning, pedwarn, + pedwarn_with_decl, pedwarn_with_file_and_line, sorry, + really_sorry, botch, output_quoted_string, output_file_directive, + open_dump_file, rest_of_decl_compilation, display_help, main): + Likewise. + + * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name, + fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line, + warning_with_file_and_line, error_with_file_and_line, sorry, + really_sorry, default_print_error_function, report_error_function, + rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl, + error_with_decl, error_for_asm, warning_for_asm, output_quoted_string, + output_file_directive, botch): Likewise. + + * tree.h (make_decl_rtl): Likewise. + + * varasm.c (strip_reg_name, named_section, decode_reg_name, + make_decl_rtl): Likewise. + +Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com> + + * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library + directory logically rather than physically. + +Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * loop.c (insert_bct): Hide the definition of variables + `increment_direction', `compare_direction', `add_iteration' and + `loop_var_mode'. + + * recog.c (mode_dependent_address_p): Mark parameter `addr' with + ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL. + (mode_independent_operand): Mark label `lose' with + ATTRIBUTE_UNUSED_LABEL. + + * regclass.c (n_occurrences): Remove prototype and definition. + + * reload.c (find_reloads_address_1): Mark variable `tem' with + ATTRIBUTE_UNUSED. + + * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR. + + * sbitmap.c (sbitmap_copy): Likewise. + + * scan-decls.c (scan_decls): Hide label `handle_comma'. + + * toplev.c (output_lang_identify): Mark prototype with + ATTRIBUTE_UNUSED. + + * tree.c (make_node): Cast the first argument of `bzero' to PTR. + (make_tree_vec): Likewise. + (build1): Likewise. + + * varasm.c (assemble_static_space): Mark variable `tem' with + ATTRIBUTE_UNUSED. + +Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org> + + * Makefile.in (GCOV_INSTALL_NAME): New macro. + (install-common): Use it. + (uninstall): Use it. + (uninstall): Use correct names for protoize and unprotoize. + +Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com> + Jeffrey A Law (law@cygnus.com) + + * flow.c (last_mem_set): Delete variable. References removed. + (mem_set_list): New variable. + (life_analysis): Initialize and finalize alias analysis. + (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs. + (insn_dead_p): For a store to memory, search the entire mem_set_list + for a match. + (mark_set_1): Kill entries on the mem_set_list for aliased writes or + changes to their addresses. Add new entries to the mem_set_list for + memory writes writes. + (mark_used_regs): Kill entries on the mem_set_list which may be + referenced by a load operation. + +Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com) + + * alias.c (base_alias_check): Add missing return for differing + symbols case. + +Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * mips-tdump.c (print_file_desc): Handle unknown filenames and + missing local symbols. + +Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com> + + * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL. + + * system.h (bcopy): Implement with memmove not memcpy. + +Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (cppulp.o): Add dependencies. + + * i386.md (integer conditional moves): Add missing earlyclobbers. + + * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update + REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change + where a register is live. + +Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org) + + * reg-stack.c (subst_stack_regs_pat): Abort if the destination + of a FP conditional move is not on the FP register stack. + +Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_cse_regs_1): Do not call + reload_cse_simplify_operands for an insn with asm operands. + + * cccp.c (print_help): Fix typos. + * cpplib.c (print_help): Fix typos. + * toplev.c (f_optiosn): Fix typos. + (documented_lang_options): Fix typos. + +Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org) + + * gcc.c: (do_spec_1): Fix obvious typo. + +Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (duplicate_decls): If `warn_traditional', warn when + a non-static function declaration follows a static one. + + * invoke.texi (-Wtraditional): Document the extra check now done + by this flag. + +Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com) + + * pa.md (shadd): Create shadd insns, even if the result of the shift is + needed without the addition. + +Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage. + +Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com> + + * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries. + +Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT. + * rs6000.c (u_short_cint_operand, add_operand, logical_operand, + non_add_cint_operand, non_logical_cint_operand): Likewise. + (get_issue_rate): Add CPU_PPC604E case. + * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts. + +Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com> + + * expr.c (queued_subexp_p): Make public. + * expr.h (queued_subexp_p): Declare it. + * recog.c (asm_operand_ok): New function. + (check_asm_operands): Use it. After reload, use constrain_operands + instead. + * recog.h (asm_operand_ok): Declare it. + * stmt.c (expand_asm_operands): Use it to try harder to make + asms initially satisfy their constraints. + +Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com> + + * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create + (mem (lo_sum (...)) for TFmode unless TARGET_V9. + +Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction + in delay slot of RPTBD. + +Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long + divide and modulo sign problem. + +Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * unroll.c (loop_iterations): Return 0 if the last loop insn + is not a jump insn or if the loop has multiple back edges. + +1999-01-15 Manfred Hollstein <manfred@s-direktnet.de> + + * configure.in (fixinc_defs): Do not define for m[68]8k-motorola-sysv{,3}; + it's working properly now. Remove comment saying "see m68k-motorola-sysv + as an example". + * configure: Regenerate using autoconf. + + * fixinc/fixincl.c (main): Do not ignore SIGCHLD. + +Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com) + + * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share + a register with another DEST_ADDR giv if the address is not valid. + + * pa.c (hppa_expand_epilogue): Save and restore the static chain + around the call to mcount. + + * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf. + + * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid + generating non-canonical rtl. + +1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/i960/i960.c (i960_output_move_double_zero, + i960_output_move_quad_zero): New functions for moving zeros. + (i960_output_move_double, i960_output_move_quad): Additional code + for situation when moving unaligned register group. + + * config/i960/i960.h (i960_output_move_double_zero, + i960_output_move_quad_zero): The function definitions. + + * config/i960/i960.md (movdi+1, movti+1): Usage of the functions. + +1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/i960/i960.c (i960_function_prologue): New code (optimal + solution) for saving global registers in local registers. + (form_reg_groups, reg_group_compare, split_reg_group): New + functions used by the code. + (reg_group): New structure definition for the new code. + +1999-01-13 Manfred Hollstein <manfred@s-direktnet.de> + + * fixinc/fixincl.c (create_file): Pass file creation mask as + third parameter to "open". Use O_TRUNC flag to open instead of + explicitly unlink'ing the file. + (process): and forget about the "chmod" stuff. + +Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com> + + * integrate.c (expand_inline_function): Recognize (mem (addressof)) + and substitute. Copy the return value from there into a new pseudo. + +Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com> + + * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN + before generating a call to abort for volatile functions. + * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define. + (TARGET_ABORT_NORETURN): Define. + (abort-on-noreturn): New option. + +Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc + and binarycc operations in 3rd annulled delay slot! + +Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com> + + * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN + before generating a call to abort for volatile functions. + * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define. + (TARGET_ABORT_NORETURN): Define. + (abort-on-noreturn): New option. + +Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cccp.c (xstrdup): Renamed from `savestring'. All callers changed. + Remove prototype which we get from libiberty.h. + + * collect2.c (xstrdup): Likewise. + + * genextract.c (xstrdup): Likewise for `copystr'. + (mybzero): Remove it and use `memset' instead. + + * genoutput.c (mybcopy, mybzero): Remove these. All callers changed + to use `memcpy' and `memset' instead. + + * genrecog.c (xstrdup): Renamed from `copystr'. All callers + changed. Remove prototype. + (mybcopy, mybzero): Remove these and use memcpy/memset. + +Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com) + + * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when + generating code for TARGET_64BIT. + +Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on + HOST_WIDE_INT word-size. + (rs6000_stack_info): Remove redundant alignment of fpmem. + +Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com> + + * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling. + (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise. + (input_operand): Adjust CONSTANT_P_RTX handling. + * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references. + * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling. + (movhi, movqi): Remove CONSANT_P_RTX handling. + (movdi): Adjust CONSTANT_P_RTX handling. + +1999-01-12 Manfred Hollstein <manfred@s-direktnet.de> + + * configure: Regenerate using autoconf. + + * fixinc/Makefile.in (INCLUDES): Add -I$(srcdir)/../../include. + * fixinc/fixincl.c (SIGCHLD): Use SIGCLD on (very) old systems. + (process): "fchmod" isn't available on all systems, use "chmod" + instead. + * fixinc/server.c: Add #include <sys/types.h>. + (STDIN_FILENO): Add default definition if no include file defines + it already. + (STDOUT_FILENO): Likewise. + +Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com> + + * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls. + +1999-01-12 Manfred Hollstein <manfred@s-direktnet.de> + + * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to + ensure all prototypes necessary for building libio will be available. + * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove + definitions here as they are not host specific. + * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise. + +Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com> + + * cse.c (cse_insn): Never prefer (const (constant_p_rtx)). + +Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com> + + * rtl.c (rtx_alloc): Use memset instead of inline loop. + + * recog.h (recog_op_alt): Declare extern. + +Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com> + + * function.c (purge_addressof_1): If the note accesses a mem+addressof + in a wider mode than any replacement, adjust the cached replacement. + Cache trivial substitutions as well. + +Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com> + + * Makefile.in (OBJECTS): Add sbitmap.o. + (BASIC_BLOCK_H): Add sbitmap.h. + * basic-block.h: Move simple bitmap code to sbitmap.h. + * flow.c: Move simple bitmap code to sbitmap.c + * sbitmap.h, sbitmap.c: New files. + +Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com> + + * alpha.h (TARGET_SWITCHES): Document switches. + (TARGET_OPTIONS): Likewise. + + * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC. + +Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com> + + * tree.c (new_alias_set): Return zero if !flag_strict_aliasing. + +Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com> + + * basic-block.h (basic_block_head): Rename to x_basic_block_head. + (basic_block_end): Rename to x_basic_block_end. + (BLOCK_HEAD, BLOCK_END): Update. + + * caller-save.c: Change basic_block_head/end references to + BLOCK_HEAD/END. + * combine.c, flow.c, function.c, gcse.c, global.c: Likewise. + * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise. + * regmove.c, reload1.c, reorg.c, sched.c: Likewise. + +Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (xstrerror): Renamed from my_strerror. All callers + changed. Remove prototype since we get that from libiberty.h. + + * protoize.c (xstrerror): Likewise. + +Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (read_specs): Ensure format specifiers match their arguments. + +Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com> + + * tree.c (copy_node): Oops. That would be copy not zero + in that last change. + +Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c: Include system.h. + (c4x_caller_save_map): Disable caller save for RC. + (c4x_optimization_options): Disable scheduling before reload. + (valid_parallel_load_store) : Define return type as int. + Remove unused variable regs. + * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register + class. + * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to + handle rotations. + (*db, decrement_and_branch_until_zero): Fix up constraints + to keep reload happy. + +Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com> + + * tree.c (make_node): Call bzero instead of inline clear. + (copy_node, make_tree_vec, build1): Likewise. + (get_identifier): Call strlen instead of inline count. + (maybe_get_identifier): Likewise. + +Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc + operations in 3rd annulled delay slot. + (*lshrqi3_const_set): Disallow c constraint for operand0. + (modhi3+1, modhi3+2): Set attribute type to multi. + * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of + != operator. + +Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gansidecl.h: Allow attribute unused on labels only when we are + version 2.93 or higher. Not all versions of 2.92 have this feature. + + * version.c: Bump minor number to 93. + +Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * config/m68k/m68k.h: Declare output_function_epilogue. + * recog.h: Declare next_insn_tests_no_inequality. + +Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com) + + * stmt.c (optimize_tail_recursion): New function, extracted from ... + (expand_return): Use optimize_tail_recursion. + * tree.h (optimize_tail_recursion): Declare. + + * toplev.c (compile_file): Move call to output_func_start_profiler + to after the loop to emit deferred functions. + +Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * system.h (abort): Supply more detailed information on how to + report an Internal Compiler Error. + +Thu Jan 7 9:25:58 PST 1999 Bruce Korb (korb@datadesign.com) + + * fixinc/fixincl.c (*): more decapitalization of variables + plus some explanitory comments + + * fixinc/Makefile.in fixinc/mkfixinc.sh: + When the fixincl program does not work for a certain system, + we substitute a shell script. Added user commentary when + this happens. + +Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com> + + * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to + allocate memory that will live beyond this function. + (expand_call): Free it here. + +Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com> + + * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for + integer data not destined for fp regs. + (LEGITIMIZE_RELOAD_ADDRESS): New. + +Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com> + Richard Henderson <rth@cygnus.com> + + Support for Hypersparc and Sparclite86x: + * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New. + (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets. + (ASM_CPU32_DEFAULT_SPEC): Likewise. + (TARGET_CPU_DEFAULT): Likewise. + (enum processor_type): Likewise. + (CPP_ENDIAN_SPEC): Handle little endian data. + (LIBGCC2_WORDS_BIG_ENDIAN): Likewise. + (ADJUST_COST): Call sparc_adjust_cost. + * sparc.c (sparc_override_options): Fix up for the new targets. + (supersparc_adjust_cost): Make static. + (hypersparc_adjust_cost): New. + (ultrasparc_adjust_cost): Make static. + (sparc_adjust_cost): New. + * sparc.md (attr cpu): Add hypersparc and sparclite86x. + (function_unit): Add hypersparc scheduling rules. + + * configure.in (with_cpu handler): Recognize hypersparc. + +Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c: Added space after negation operator. + * config/c4x/c4x.h: Likewise. + * config/c4x/c4x.md: Likewise. + +Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class. + +Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases, + when a test can't be performed due to limited width of + HOST_BITS_PER_WIDE_INT, use the more conservative approximation. + Fix UDIV case for cases where the first operand has the highest bit + set. + +Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de> + + * pa.h (reg_class): Add FPUPPER_REGS. + (REG_CLASS_NAMES): Similarly. + (REG_CLASS_CONTENTS): Similarly + (REGNO_REG_CLASS): Handle FPUPPER_REGS. + (FP_REG_CLASS_P): Likewise. + (REG_CLASS_FROM_LETTER): Similarly. + (CLASS_MAX_NREGS): Similarly. + +1999-01-06 Brendan Kehoe <brendan@cygnus.com> + + * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h + for a typedef of bool. Make sure to have a copy of the file is + in place before we look to fix it. Fix typo in variable name to + FILE. + +Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com> + + * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use + value_mode for the return mode. + +Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net> + + * configure.in: New flag --with-dwarf2. If set, enables DWARF-2 + debugging as default. + + * config/tm-dwarf2.h: New file. + +Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com) + + * h8300.h (ASM_OUTPUT_LABELREF): Define. + + * pa.h (DONT_RECORD_EQUIVALENCE): Kill. + * local-alloc.c (update_equiv_regs): Corresponding changes. + * tm.texi (DONT_RECORD_EQUIVALENCE): Kill. + + * calls.c (special_function_p): Push alloca test inside the large + conditional which excludes functions not at file scope or not + extern. + + * calls.c (special_function_p): New function broken out of + expand_call. + (precompute_register_parameters): Likewise. + (store_one_arg): Likewise. + (store_unaligned_argumetns_into_pseudos): Likewise. + (save_fixed_argument_area): Likewise. + (restore_fixed_argument_area): Likewise. + (expand_call): Corresponding changes. + +Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (addqi3): If the destination operand is + a hard register other than an extended precision register, + emit addqi3_noclobber. + (*addqi3_noclobber_reload): New pattern added so that reload + will recognise a store of a pseudo, equivalent to the sum + of the frame pointer and a constant, as an add insn. + +1999-01-06 Manfred Hollstein <manfred@s-direktnet.de> + + * fixinc/fixincl.c: Re-indent according to the GNU standards. + fixinc/server.c: Likewise. + fixinc/server.h: Likewise. + +Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX + handling. + (const_sint32_operand): Likewise. + +Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.h: In addition to checking _JBLEN, also check if `setjmp' + is a macro when deciding if we can use `jmp_buf' in prototypes. + +Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net> + + * configure.in (pc-msdosdjgpp): Set x_make to x-go32. + * configure: Rebuilt. + * i386/xm-go32.h: Define LIBSTDCXX. + * i386/x-go32: New. + * i386/go32.h (MD_EXEC_PREFIX): Define. + (FILE_NAME_ABSOLUTE_P): Define. + (LINK_COMMAND_SPEC): Define. + +Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net> + + * expr.c (store_expr): If the lhs is a memory location pointed + to be a postincremented (or postdecremented) pointer, always + force the rhs to be evaluated into a pseudo. + +Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au> + + * real.c (mtherr): Print more reasonable warning messages. + +Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h. + + * cccp.c: Include prefix.h, don't prototype prefix.c functions. + (new_include_prefix): Constify char* parameters. + + * cppfiles.c (read_name_map): Likewise. + (append_include_chain): Likewise. Also, use a writable char* copy + of parameter `dir' which we then modify, rather than using the + parameter itself to store the new writable string. + (remap_filename): Constify some variables. Also, use a writable + char* to store an allocated string which we will be modifying. + + * cpplib.c: Include prefix.h, don't prototype prefix.c functions. + (cpp_start_read): Constify variable `str'. + + * cpplib.h (append_include_chain): Constify a char* parameter. + + * gcc.c Include prefix.h, don't prototype prefix.c functions. + (add_prefix, save_string): Constify char* parameters. + (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes. + + * prefix.c: Include prefix.h. + (get_key_value, translate_name, save_string, update_path, + set_std_prefix): Constify various char* parameters and variables. + (save_string): Use xmalloc, not malloc. + (translate_name): Use a writable temporary variable to create and + modify a string before setting it to a const char*. + + * prefix.h: New file to prototype functions exported from prefix.c. + +Tue Jan 5 8:52:18 PST 1999 Bruce Korb (korb@datadesign.com) + + * fixinc/fixincl.c (various): added debug code so + Manfred can trace the processing. + + * fixinc/inclhack.def (sys/utsname.h): Provide forward declaration of + struct utsname on Ultrix V4.[35]. + + * fixinc/{fixincl.x|fixincl.sh|inclhack.sh} : regenerated + +Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (skip_if_group): Split out the logic that handles + directive recognition to its own function. Don't use + parse markers; use a bare pointer into the buffer. Use + copy/skip_rest_of_line instead of doing it by hand. Remove + `return on any directive' mode which was never used, and take + only one argument. + (consider_directive_while_skipping): New function, subroutine + of skip_if_group. Logic streamlined a bit. + (conditional_skip, do_elif, do_else): Call skip_if_group with + only one argument. + +Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an + error. + +Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com> + + * extend.texi (Bound member functions): Document. + +Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string, + lang_to_string, type_to_string): Make return type const char*. + (print_symbol): Apply `const' keyword to a char*. + (print_file_desc): Cast structure member `crfd' to ulong when + comparing against one. + + * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*. + (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes. + (progname, input_name): Apply `const' keyword to a char*. + Don't redundantly include sys/stat.h. + (alloc_info): Apply `const' keyword to a char*. + (st_to_string, sc_to_string): Likewise. + (hash_string): Cast variable `hash_string' to a symint_t when + comparing against one. + (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one. + Likewise cast it to long when comparing against one. + (add_local_symbol): Apply `const' keyword to a char*. + (add_ext_symbol): Likewise. + (add_unknown_tag): Likewise. + (add_procedure): Cast a printf-style field width to an int. + (add_file): Cast PAGE_USIZE to long when comparing against one + (parse_begin): Cast a printf-style field width to an int. + (parse_bend): Likewise. + (parse_def): Likewise. + (parse_end): Likewise. + (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED. + (parse_stabs_common): Fix format specifier. + (parse_input): Change type of variable `i' to Size_t. + (write_object): Fix arguments to match format specifiers. + Cast variable `num_write' to long when comparing against one. + (read_seek): Cast variable `sys_read' to symint_t when comparing + against one. Fix arguments to match format specifiers. Cast + variable `size' to long when comparing against one. + (copy_object): Cast result of `sizeof' to int when comparing + against one. Fix arguments to match format specifiers. Cast + variable `ifd' to long when comparing against a signed value. + Likewise, likewise. + +Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (decl_attributes): Allow applying attribute `unused' + on a LABEL_DECL. + + * c-parse.in (label): Parse attributes after a label, and call + `decl_attributes' to handle them. + + * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define. + + * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When + generating labels, mark them with ATTRIBUTE_UNUSED_LABEL. + + * invoke.texi: Note that labels can be marked `unused'. + +Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com) + + * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing + RTL for a compare/jump sequence. + +Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL + for a target with HAVE_cc0 defined. + (emit_cmp_and_jump_insns): New function. + * expr.h (emit_cmp_and_jump_insns): Prototype it. + * loop.c (check_dbra_loop): Use it to replace calls + to emit_cmp_insn and emit_jump_insn and to canonicalise + the comparison if necessary. + * unroll.c (unroll_loop): Likewise. + +Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixincludes (sys/utsname.h): Provide forward declaration of + struct utsname on Ultrix V4.[35]. + + * mips.md (div_trap): Use local labels instead of dot-relative + branches. + +Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com) + + * pa.md (branch, negated branch): Handle (const_int 0) as first + source operand. + * pa.c (output_cbranch): Likewise. + +Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (rs6000_stack_info): Undo spurious part of last + change. + +1999-01-01 Manfred Hollstein <manfred@s-direktnet.de> + + * extend.texi (__builtin_constant_p): Add missing @smallexample. + +Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com) + + * i386.md (doubleword shifts): Fix dumb mistakes in previous change. + +Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com) + + * m68k.md (adddi_dilshr32): Allow all operands to be registers too. + (adddi_dishl32): Similarly. + + * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers + for each insn in the skipped block. + + * reload1.c (reload_as_needed): Verify that the insn satisfies its + constraints after replacing a register address with an autoincrement + address for reload inheritance purposes. + + * i386.md (doubleword shifts): Avoid namespace pollution. + +Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com> + + * configure.in (FreeBSD ELF): Needs special crt files. + +Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com> + + * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash. + +1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * loop.c (check_dbra_loop): While reversing the loop, if the + comparison value has a VOID mode use the mode of the other operand + to compute the mask. + +Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.md ({save,restore}_stack_function): Take 2 operands to + avoid warnings in compiling explow.c. + + (patch from Ken Raeburn, raeburn@cygnus.com) + * rs6000.c (rs6000_stack_info): Force 8-byte alignment of + fpmem_offset. Compute total size after that, and then + rs6000_fpmem_offset using both values. + +Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in + the future; indeed that already happens in some cases. + +Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com> + + * sparc.c (input_operand): Recognize (const (constant_p_rtx)). + (arith_operand): Remove constant_p_rtx handling. + (const64_operand, const64_high_operand): Likewise. + (arith11_operand, arith10_operand, arith_double_operand): Likewise. + (arith11_double_operand, arith10_double_operand, small_int): Likewise. + (small_int_or_double, uns_small_int, zero_operand): Likewise. + * sparc.h (PREDICATE_CODES): Likewise. + + * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX. + +Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>: + + * rtl.def (CONSTANT_P_RTX): Clarify commentary. + * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to + consider constant CONSTRUCTOR constant and to defer some cases + to cse. + * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX. + * regclass.c (reg_scan_mark_refs, case CONST): Likewise. + +Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com> + + * expr.c (init_expr_once): Kill can_handle_constant_p recognition. + * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code. + + * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling. + (reg_or_8bit_operand, cint8_operand, add_operand): Likewise. + (sext_add_operand, and_operand, or_operand): Likewise. + (reg_or_cint_operand, some_operand, input_operand): Likewise. + * alpha.h (PREDICATE_CODES): Likewise. + +Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com) + + * gengenrtl.c (gencode): Always use bzero to clear memory instead + of dangerous casts and stores. + + * Makefile.in (compare, gnucompare): Add missing else true clauses. + +Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com) + + * alpha.md (builtin_longjmp): Add missing "DONE". + +Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com> + + * gcc.c (execute): Enable -pipe with win32. + +Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/t-arm-elf: Add multiplib option for leading + underscores. + + * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable + 'user_label_prefix' rather than macro USER_LABEL_PREFIX. + + (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather + than variable 'reload_address_base_reg_class'. [Note this + change is unrelated to the others in this patch]. + + * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no + leading underscore. + +Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alias.c (record_alias_subset): Remove ignored `&'. + (init_alias_once): Likewise. + + * c-lex.c (UNGETC): Cast first argument of comma expression to void. + + * config/mips/mips.c (mips_asm_file_end): Cast the result of + fwrite to `int' when comparing against one. + + * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||. + (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'. + + * cse.c (rehash_using_reg): Change type of variable `i' to + unsigned int. + + * dwarf2out.c (initial_return_save): Cast -1 to unsigned before + assigning it to one. + + * except.c (duplicate_eh_handlers): Remove unused variable `tmp'. + + * final.c (final_scan_insn): Likewise for variable `i'. + (output_asm_insn): Cast a char to unsigned char when used as an + array index. + + * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when + assigning it to one. + + * loop.c (strength_reduce): Remove unused variables `count' and `temp'. + + * recog.c (preprocess_constraints): Cast a char to unsigned char + when used as an array index. + + * regmove.c (find_matches): Likewise. + + * reload1.c (calculate_needs): Add default case in switch. + (eliminate_regs_in_insn): Initialize variable `offset'. + (set_offsets_for_label): Change type of variable `i' to unsigned. + (reload_as_needed): Wrap variable `i' in macro check on + AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P. + + * scan-decls.c (scan_decls): Mark parameters `argc' and `argv' + with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t + when comparing against one. + + * stor-layout.c (layout_decl): Cast maximum_field_alignment to + unsigned when comparing against one. Likewise for + GET_MODE_ALIGNMENT(). + (layout_record): Cast record_align to int when comparing against a + signed value. + (layout_type): Cast TYPE_ALIGN() to int when comparing against a + signed value. + + * tree.c (get_identifier): Cast variable `len' to unsigned when + comparing against one. + (maybe_get_identifier): Likewise + +Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (rest_of_compilation): Do not set reload_completed. + * reload1.c (reload): Set reload_completed before calling + cleanup_subreg_operands. + +Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com> + + * reload1.c (emit_reload_insns): Check `set' not null before use. + +Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com> + + * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to + 'int'. + +Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> + + * halfpic.c (half_pic_encode): Delete redundant code. + +Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com> + + * toplev.c (main): Delete handling of -dM as a preprocessor + option. + +Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com> + + * toplev.c (main): Don't emit any warnings when using -dD, -dM, or + -dI, which are handled by the preprocessor. + +Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu> + + * configure.in: Handle Digital UNIX 5.x the same as 4.x. + * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".". + +Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * genattr.c (fatal): Qualify a char* with the `const' keyword. + + * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set, + write_unit_name, write_eligible_delay, expand_units, + make_length_attrs, write_attr_case, find_attr, + make_internal_attr): Likewise. + * gencheck.c (tree_codes): Likewise. + * gencodes.c (fatal): Likewise. + * genconfig.c (fatal): Likewise. + * genemit.c (fatal): Likewise. + * genextract.c (fatal, walk_rtx, copystr): Likewise. + * genflags.c (fatal): Likewise. + * genopinit.c (fatal, optabs, gen_insn): Likewise. + * genoutput.c (fatal, error, predicates): Likewise. + * genpeep.c (fatal): Likewise. + * genrecog.c (fatal, decision, pred_table, add_to_sequence, + write_tree_1, write_tree, change_state, copystr, indents): Likewise. + +Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * configure.in (with-fast-fixincludes): Fix whitespace. + * configure: Rebuilt. + + * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific + asm() etc. function declarations in __DECC. + +Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com> + + * expr.c (emit_move_insn_1): Only emit a clobber if the target + is a pseudo register. + +Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com> + + * gcse.c: Include expr.h in order to get the prototype for + get_condition() which is used in delete_null_pointer_checks(). + +Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros. + +Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS. + (ALL_CFLAGS): Delete SCHED_CFLAGS. + +1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of + ';'). + +1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com> + + * i960.md (extend*, zero_extend*): Don't generate rtl that looks + like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides + optimizations from the combiner. + +Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (combine_givs_used_by_other): Don't depend on n_times_set. + +Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com> + + * toplev.c (main): Disable optimize_size if a specific + optimization level is requested. Always set optimization + level to 2 if -Os is specified. + +Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com> + + * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with + cpplib. + * cpplib.c (cpp_start_read): If in_fname is not initialized, try to + initialize it using fname. + +1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (do_include): Treat #include_next in the + primary source file as #include plus warning. Treat + #include_next in a file included by absolute path as an + error. fp == CPP_NULL_BUFFER is a fatal inconsistency. + +Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cccp.c: Don't define MIN/MAX anymore. + * cpplib.c: Likewise. + * machmode.h: Likewise. + * system.h: Provide definitions for MIN/MAX. + +Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * fix-header.c: Don't define xstrdup here. + +Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (consec_sets_giv): New argument last_consec_insn. + (strength_reduce): Provide / use it. + +Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.h (loop_info): New field 'vtop'. + * loop.c (check_dbra_loop): Use loop_info->vtop rather than + scanning loop for vtop. + * unroll.c (subtract_reg_term, find_common_reg_term): New functions. + (loop_iterations): Use them to determine if loop has a constant + number of iterations. Set loop_info->vtop. Don't subtract + common reg term from initial_value and final_value if have a + do-while loop. + +Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com) + + * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2. + + * mn10300.md (bset, bclr): Operand 0 is a read/write operand. + + * mn10200.md (abssf2, negsf2): New expanders. + + * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders. + +Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com> + + * integrate.c (copy_rtx_and_substitute): If a SUBREG is + replaced by a CONCAT whoes components do not have the same + mode as the original SUBREG, use a new SUBREG to restore the + mode. + + * emit-rtl.c (subreg_realpart_p): Cope with subregs containing + multiword complex values. + +1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cppalloc.c: Add xstrdup here. + * cpplib.h: Remove savestring prototype. + * cpplib.c: Remove savestring function. s/savestring/xstrdup/ + throughout. + * cppfiles.c: s/savestring/xstrdup/ throughout. + +1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c: Make all directive handlers read their own + arguments. + (struct directive): Remove last two arguments from FUNC + member prototype. Remove `command_reads_line' member + entirely. + (directive_table): Remove initializations of + command_reads_line flag. Pretty-print. + (eval_if_expression, do_define, do_line, do_include, + do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef, + do_else, do_elif, do_sccs, do_assert, do_unassert, + do_warning): Take only two args. + + (cpp_define): Call do_define with two args and the text to + define stuffed into a buffer. + (make_assertion): Call do_assert with two args. + (handle_directive): Call do_line with two args. Call + kt->func with two args. Remove command_reads_line + processing. + (do_define, do_undef, do_error, do_warning, do_pragma, + do_sccs): Read the rest of the line here. + (do_ident): Gobble rest of line, as cccp does. + (cpp_undef): New function. + (cpp_start_read): Call cpp_undef instead of do_undef. + +1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpphash.h (union hash_value): Remove `keydef' member, add a + `struct hashnode *aschain' member for #assert. + + * cpplib.c (struct tokenlist_list, struct + assertion_hashnode): Delete structure definitions. + (assertion_install, assertion_lookup, delete_assertion, + check_assertion, compare_token_lists, reverse_token_list, + read_token_list, free_token_list): Delete functions. + (parse_assertion): New function. + (cpp_cleanup): Don't destroy the assertion_hashtable. + + (do_assert): Gut and rewrite. #assert foo (bar) places + entries for `#foo' and `#foo(bar)' in the macro hash table, + type T_ASSERT. The value union's `aschain' member is used + to chain all answers for a given predicate together. + (do_unassert): Also rewritten. Take an un-asserted + answer off the chain from its predicate and call + delete_macro on the hashnode, or walk a predicate chain + calling delete_macro on all the entries. + (cpp_read_check_assertion): Simply call parse_assertion to + get the canonical assertion name, and look that up in the + hash table. + + * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab): + Removed. + + * cpphash.c (install): Use bcopy instead of an explicit loop + to copy the macro name. + + * cppexp.c (cpp_lex): Convert the result of + cpp_read_check_assertion to a `struct operation' directly; + don't go through parse_number. + +Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.h (struct induction): Delete times_used member. + * loop.c (n_times_set): Rename to set_in_loop. Changed all users. + (n_times_used): Rename to n_times_set. Changed all users. + (scan_loop): Free reg_single_usage before strength reduction. + (record_giv, combine_givs): Remove handling of times_used member. + (combine_givs_used_once): Rename to: + (combine_givs_used_by_other) . Changed all callers. + +Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P + instead of TREE_CODE_CLASS == 't'. + (gen_type_die): Likewise. + (scope_die_for): Ignore FUNCTION_TYPE "scopes". + +Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com> + + * real.c (endian): Disable last change unless + HOST_BITS_PER_WIDE_INT is greater than 32. + +Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com> + + * output.h (force_data_section): New prototype. + * varasm.c (force_data_section): New function to force the + data section, regardless of what in_section thinks. + * dwarf2out.c (output_call_frame_info): Call force_data_section + since varasm may not realize we've changes sections. + +Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com> + + * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes + after completeing reload. + + * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are + deleted after reload. + +Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com) + + * rtl.h (multiple_sets): Fix prototype. + * rtlanal.c (multiple_sets): Fix return type. + +Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +1998-12-13 Manfred Hollstein <manfred@s-direktnet.de> + + * protoize.c (fputs): Wrap extern declaration in #ifndef fputs. + +Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtl.h (recompute_reg_usage): Add second argument. + * flow.c (recompute_reg_usage): Likewise. + * toplev.c (rest_of_compilation): Supply second argument to + recompute_reg_usage. + + * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0 + after reload. + +Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com) + + * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32. + (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000. + (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000, + mcpu32 or m5200. + + * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character. + + * rtlanal.c (multiple_sets): New function. + * rtl.h (multiple_sets): Declare it. + * local-alloc.c (wipe_dead_reg): Use it. + * global.c (global_conflicts): Likewise. + +Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com> + + * global.c (record_conflicts): Don't use an array of shorts to + store an array of ints. + (global_conflicts): Likewise. + +Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_expand_block_move): mode_for_size expects + bits, not bytes. Infer extra alignment from addressof. + +1998-12-11 Michael Meissner <meissner@cygnus.com> + + * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the + .sbss section, not .sdata. + +1998-12-11 Manfred Hollstein <manfred@s-direktnet.de> + + * cccp.c: Do not #include <sys/stat.h> here; this is already done + by "system.h". + * collect2.c: Likewise. + * cpplib.h: Likewise. + * gcc.c: Likewise. + * gcov.c: Likewise. + * getpwd.c: Likewise. + * protoize.c: Likewise. + * toplev.c: Likewise. + + * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h" + and don't try to define it here. + * Makefile.in (cppmain.o): Depend on machmode.h. + (cpplib.o): Likewise. + (cpperror.o): Likewise. + (cppexp.o): Likewise. + (cppfiles.o): Likewise. + (cpphash.o): Likewise. + (cppalloc.o): Likewise. + (fix-header.o): Likewise. + (scan-decls.o): Likewise. + +Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com> + + * sh.c (print_operand): lookup interrupt_handler attribute instead + of relying on static variable. + * (calc_live_regs): Likewise. + * (sh_pragma_insert_attributes): Create interrupt_handler + attribute if a pragma was specified + * (sh_valid_machine_decl_attribute): Don't set static flag. + * sh.h (PRAGMA_INSERT_ATTRIBUTES): New. + +Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START + to determine if a register is live at a jump destination. + Everything is dead at a BARRIER. + +Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com> + + * cse.c (simplify_unary_operation): Sign-extend constants when + they have the most significant bit set for the target. + * real.c (endian): Sign-extend 32 bit output values on a 64 bit + host. + * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in + HOST_WIDE_INT temporary before negating it. + * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000. + +Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com> + + * objc/objc-act.c (lang_init_options): Enclose cpplib related code in + #if USE_CPPLIB. + +Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.h: New header file for prototypes. + + * Makefile.in (collect2.o, tlink.o): Depend on collect2.h. + + * collect2.c: Include collect2.h. + * tlink.c: Likewise. + +Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c: Update some comments. + +Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com> + + * objc/objc-act.c (cpp_initialized): Removed. + (lang_init_options): Initialize cpplib. + (lang_decode_option): Move initialization of cpplib to + lang_init_options. + * c-lang.c: (parse_options,parse_in): Added. + (lang_init_options): Initialized cpplib here. + * c-decl.c (parse_options,cpp_initialized): Removed. + (c_decode_option): Move initialization of cpplib to + lang_init_options. + +Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_combine, reload_combine_note_store): + Make STORE_RUID always valid. + (reload_combine): Check if BASE is clobbered too early. + +Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com> + + * reload.c (find_reloads): Display the insn that cannot be + reloaded. + +Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com> + + * cccp.c (create_definition): Fix end of bufer logic. + +Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function + pointer parameters changed to use the PARAMS() macro. + +Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.h (struct handler_info): Add handler_number field. + * except.c (gen_exception_label): EH labels no longer need to be + on the permanent obstack. + (get_new_handler): Set the label number field. + (output_exception_table_entry): Regenerate handler label reference + from the label number field. + (init_eh): Remove a blank line. + * integrate.c (get_label_from_map): Labels no longer need to be + on the permanent obstack. + +Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com> + + * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand + only when OUTER_CODE is SET. + +Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): If scan_start points to the loop exit + test, be wary of subversive use of gotos inside expression statements. + Don't set maybe_multiple for a backward jump that does not + include the label under consideration into its range. + * unroll.c (biv_total_increment): Make use of maybe_multiple field. + +Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * explow.c (plus_constant_wide): Don't immediately return with + result of recursive call. + +Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com> + + * eh-common.h (struct eh_context): Add table_index for rethrows. + + * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes. + (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be + processed when inlined or unrolled (ie duplicated in some way). + + * rtl.c (reg_note_name): Add strings for new reg_note enums. + + * expr.h (rethrow_libfunc): New library decl. + + * optabs.c (rethrow_libfunc): Initialize. + + * except.h (struct eh_entry): Add new field 'rethrow_label'. + (new_eh_region_entry): No longer exported from except.c. + (duplicate_handlers): Renamed to duplicate_eh_handlers and + different prototype. + (rethrow_symbol_map, rethrow_used): New exported functions. + (eh_region_from_symbol): New exported function. + + * except.c (create_rethrow_ref): New function to create a single + SYMBOL_REF for a rethrow region. + (push_eh_entry): Initialize a rethrow ref. + (func_eh_entry): Add a rethrow_label field. + (new_eh_region_entry): Make static, and initialize the rethrow entry. + (duplicate_eh_handlers): Create a new region, and remap labels/symbols. + (eh_region_from_symbol): Find an EH region based on its rethrow symbol. + (rethrow_symbol_map): Given a label map, maps a rethrow symbol for + a region into an appropriate new symbol. + (rethrow_used): Indicate whether a rethrow symbol has been referenced. + (expand_eh_region_end): Don't issue jump around code for new-exceptions. + (end_catch_handler): Emit a barrier for new-exceptions since + control can never drop through the end of a catch block. + (expand_end_all_catch): new-exceptions never fall through a catch + block. + (expand_rethrow): use __rethrow routine for new exceptions. + (output_exception_table_entry): Generate rethrow labels, if needed. + (output_exception_table): Generate start and end rethrow labels. + (init_eh): Create rethrow symbols for beginning and end of table. + (scan_region): Don't eliminate EH regions which are the targets of + rethrows. + + * flow.c (make_edges): Add different edges for rethrow calls, + identified by having the REG_EH_RETHROW reg label. + (delete_unreachable_blocks): Don't delete regions markers which are + the target of a rethrow. + + * integrate.c (save_for_inline_eh_labelmap): New callback routine to + allow save_for_inline_copying to call duplicate_eh_handlers. + (save_for_inline_copying): Call duplicate_eh_handlers instead of + exposing internal details of exception regions. + (copy_for_inline): Check if SYMBOL_REFs need adjustment. + (expand_inline_function_eh_labelmap): New callback routine to + allow expand_inline_function to call duplicate_eh_handlers. + (expand_inline_function): Call duplicate_eh_handlers instead of + exposing internal details of exception regions. + (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST + flag is set. + + * libgcc2.c (find_exception_handler): Generalize to enable it to + pick up processing where it left off last time for a rethrow. + (__unwinding_cleanup): New function. debug hook which is called before + unwinding when __throw finds there is nothing but cleanups left. + (throw_helper): Common parts of __throw extracted out for reuse. + (__throw): Common parts moved to throw_helper. + (__rethrow): New function for performing rethrows. + +Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (current_function_decl): Tweak declaration. + +Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com> + + * c-decl.c (flag_isoc9x): Default off. + (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x. + * cccp.c (print_help, main): Likewise. + * gcc.c (default_compilers): Update for -std=gnu*. + +Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (DEMANGLE_H): Change location to shared demangle.h. + * demangle.h: Deleted. + + * reload1.c (current_function_decl): Declare. + +Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'. + +Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set. + +1998-12-08 Ulrich Drepper <drepper@cygnus.com> + + * configure.in: Test for availability of putc_unlocked, fputc_unlocked, + and fputs_unlocked. + * configure: Rebuilt. + * system.h: If the *_unlocked functions are available use them + instead of the locked counterparts by defining macros. + * config.in: Regenerated. + +Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com> + + * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is + wrong and should only be used for dump related things, not + debugging information, instead main_input_filename should be used. + Also, reuse output_file_directive if possible. + * i386/aix386ng.h (ASM_FILE_START): Likewise. + * i386/isc.h (ASM_FILE_START): Likewise. + * i386/win-nt.h (ASM_FILE_START): Likewise. + * i386/sun386.h (ASM_FILE_START): Likewise. + +Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com> + + * configure.in (mips*-*-linux*): Handle big and little endian + systems. + * configure: Rebuilt. + +Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com> + + * emit-rtl.c: Fix typo. + +Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org> + + * reload1.c (eliminate_regs): Don't do anything, if we're not + generating code. + +Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com> + + * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA. + Add comment. + * mips/mips.c (mips_select_section): Add comment. + +Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com> + + * cccp.c (ignore_escape_flag): Add support for \ as `natural' + characters in file names in #line to be consistent with #include + handling. We support escape prcessing in the # 1 "..." version of + the command. See also support in cp/lex.c. + (handle_directive): Likewise. + (do_line): Likewise. + +1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM + so it'll work on non-ASCII platforms. Always consider $ an + identifier character. Take no arguments. + (cpp_reader_init): Call initialize_char_syntax with no + arguments. + (cpp_start_read): Don't call initialize_char_syntax again. + Clear is_idchar['$'] and is_idstart['$'] if not + opts->dollars_in_ident. + + * cpplib.h (struct cpp_reader): Replace void *data element by + cpp_options *opts. Rearrange elements to make gdb printout + less annoying (put buffer stack at end). + (CPP_OPTIONS): Get rid of now-unnecessary cast. + + * cppmain.c: s/data/opts/ when initializing cpp_reader + structure. + * c-decl.c: Likewise. + * objc/objc-act.c: Likewise. + * fix-header.c: Likewise. + +1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.h (struct cpp_buffer): Replace dir and dlen members + with a struct file_name_list pointer. + (struct cpp_reader): Add pointer to chain of `actual + directory' include searchpath entries. + (struct file_name_list): Add *alloc pointer for the sake of + the actual-directory chain. + + Move definition of HOST_WIDE_INT here. + (cpp_parse_escape): Change prototype to match changes in + cppexp.c. + + * cppfiles.c (actual_directory): New function. + (finclude): Use it to initialize the buffer's actual_dir + entry. + (find_include_file): We don't need to fix up max_include_len + here. + + * cpplib.c (do_include): Don't allocate a file_name_list on + the fly for current directory "" includes, use the one that's + been preallocated in pfile->buffer->actual_dir. Hoist out + duplicate code from the search_start selection logic. + (cpp_reader_init): Initialize pfile->actual_dirs. + + Remove definition of HOST_WIDE_INT. Change calls + to cpp_parse_escape to match changes in cppexp.c (note + hardcoded MASK, which is safe since this is the source + character set). + + * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c + to handle wide character constants in #if directives. The + function now returns a HOST_WIDE_INT, and takes a third + argument which is a binary mask for all legal values (0x00ff + for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define + MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of + cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c] + +Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com> + + * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1. + +Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB. + * cppalloc.c: Move function `xcalloc' from cpplib.c to here. + * cpplib.c: Move function `xcalloc' from here to cppalloc.c. + +Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com> + + * final.c (output_asm_name): Use tabs to seperate comments from + assembly text. + + Include instruction lengths (if defined) in output. + +Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value + in the loop_info structure. + +Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com> + + * configure.in: (arm*-*-ecos-elf): New target. + * configure: Regenerated. + * config/arm/elf.h (ASM_WEAKEN_LABEL): Define. + * config/arm/ecos-elf.h: New file. + * config/arm/unknown-elf.h (TARGET_VERSION): Check + for redefinition. + +Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (output_far_jump): Emit braf only for TARGET_SH2. + +Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.c (check_dbra_loop): New argument loop_info. Update fields + as needed. + +Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger + compressed reports are ok and preferred over URLs + +Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * invoke.texi (Warning Options): Soften the tone of -pedantic + +Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org) + + * print-rtl.c (print_rtx): Add prototype. + + * unroll.c (iteration_info): Make it static. + +Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com> + + * alias.c (memrefs_conflict_p): A second ANDed address + disables the aligned address optimization. + +Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_emit_set_const_1): Fix parenthesis error + in -c << n case. + +Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com> + + * i960.h (BOOL_TYPE_SIZE): Define. + +Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality + from old valid_parallel_operands_4. + (valid_parallel_operands_4): Check that operands for 4 operand + parallel insns are valid, excluding load/store insns. + * config/c4x/c4x.h (valid_parallel_load_store): Add prototype. + * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use + valid_parallel_load_store instead of valid_parallel_operands_4. + (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber, + *negqf2_movqf_clobber, *absqi2_movqi_clobber, + *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber, + *notqi_movqi_clobber): Use valid_parallel_operands_4. + (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber, + *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber, + *subqi3_movqi_clobber): Use valid_parallel_operands_5. + +Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (iteration_info): Delete extern. + +Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality. + + * final.c (cleanup_subreg_operands): Delete some unused code. + + * recog.h (MAX_RECOG_ALTERNATIVES): New macro. + (struct insn_alternative): New structure definition. + (recog_op_alt): Declare variable. + (preprocess_constraints): Declare function. + * recog.c (recog_op_alt): New variable. + (extract_insn): Verify number of alternatives is in range. + (preprocess_constraints): New function. + * reg-stack.c: Include recog.h. + (constrain_asm_operands): Delete. + (get_asm_operand_lengths): Delete. + (get_asm_operand_n_inputs): New function. + (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and + N_OUTPUTS args. All callers changed. + Compute number of inputs and outputs here by calling + get_asm_operand_n_inputs. + Instead of constrain_asm_operands, call extract_insn, + constrain_operands and preprocess_constaints. Use information + computed by these functions throughout. + (record_reg_life): Delete code that is unused due to changes in + record_asm_reg_life. + (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS, + N_INPUTS and N_OUTPUTS args. All callers changed. + Similar changes as in record_asm_reg_life. + (subst_stack_regs): Move n_operands declaration into the if statement + where it's used. + Delete code that is unused due to changes in subst_asm_stack_regs. + * stmt.c (expand_asm_operands): Verify number of alternatives is in + range. + * Makefile.in (reg-stack.o): Depend on recog.h. + +Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com) + + * except.c (set_exception_version_code): Argument is an "int". + +Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now. + * configure: Rebuilt. + +Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com> + + * configure.in (mipsel-*-linux*): New target. + * mips/linux.h: New file, based on other Linux targets. + +Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com> + + * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook + runs in the context of the deleter, not the deletee, so we must + use taskVarGet to find the correct memory to free. + (__gthread_key_create): Initialize the task + variable subsystem so that the task variable is still active when + the delete hook is run. + +1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * pdp11.h: Use optimize_size for space optimizations. + * pdp11.c: Likewise. + * pdp11.md: Likewise. + + * pdp11.h (TARGET_40_PLUS): Fix typo. + +Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com) + + * local-alloc.c (block_alloc): Slightly retune heuristic to widen + qty lifetimes. + +Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * alias.c (addr_side_effect_eval): New function. + (memrefs_conflict_p): Use it. + * rtl.h (addr_side_effect_eval): Prototype it. + +1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * pdp11.md (extendsfdf2): Fix mode mismatch in SET. + +Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com> + + * reload.c (find_reloads): When force const to memory, put result + in substed_operand not *recog_operand_loc. + +1998-12-02 Ulrich Drepper <drepper@cygnus.com> + + * c-lex.c: Fix indentation from last patch. + Remove trailing whitespace. + * real.c: Likewise. + +Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (delete_block): Call set_last_insn after we have reset + NEXT_INSN (kept_tail). + +Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com) + + * mips.md (trap_if): Use "$0" for the value zero. + +Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com> + Stephen L Moshier <moshier@world.std.com> + Richard Henderson <rth@cygnus.com> + + * c-common.c (declare_function_name): Declare predefinied variable + `__func__'. + + * c-decl.c (flag_isoc9x): Set to 1 by default. + (c_decode_option): Handle -std= option. Remove -flang-isoc9x. + (grokdeclarator): Always emit warning about implicit int for ISO C 9x. + + * c-parse.in: Allow constructors in ISO C 9x. + Rewrite designator list handling. + Allow [*] parameters. + Don't warn about comma at end of enum definition for ISO C 9x. + + * cccp.c (c9x): New variable. + (rest_extension): New variable. + (print_help): Document new -std= option. + (main): Recognize -std= option. Set c9x appropriately. + (create_definition): Recognize ISO C 9x vararg macros. + + * gcc.c (default_compilers): Adjust specs for -std options. + (option_map): Add --std. + (display_help): Document -std. + + * toplev.c (documented_lang_options): Add -std and remove + -flang-isoc9x. + + * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF + or REAL_VALUE_HTOF based on base of the constants. + * fold-const.c (real_hex_to_f): New function. Replacement function + for hex FP conversion if REAL_ARITHMETIC is not defined. + * real.c (asctoeg): Add handling of hex FP constants. + * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or + real_hex_to_f. + +Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com> + + * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add + -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro + expansion. Use hi/lo as destination register. + (div_trap): New. + (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*, + umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking. + Avoid as macro expansion. Use hi/lo as destination register. + + * mips.h (MASK_CHECK_RANGE_DIV): New. + (MASK_NO_CHECK_ZERO_DIV): New. + (ELIMINABLE_REGS): Added GP_REG_FIRST + 31. + (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting + return address for leaf functions out of r31 to support + builtin_return_address. + +Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x), + NEXT_INSN(x) to check insn x. + +Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (delete_block): Call set_last_insn if we end up deleting the + last insn in the rtl chain. + + * reload1.c (reload): Do not set reload_completed or split insns + here. Instead... + * toplev.c (rest_of_compilation): Set reload_completed after + reload returns. Split insns after reload_cse has run. + +Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com> + + * final.c (final_scan_insn): Abort if block_depth falls below 0. + +Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc. + +Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove + use of user-label_prefix. + +Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (emit_reload_insns): Clear spill_reg_store + when doing a new non-inherited reload from the same pseudo. + + * local-alloc.c (function_invariant_p): New function. + (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P + to decide if an equivalence should be recorded. + * reload1.c (num_eliminable_invariants): New static variable. + (reload): Set it. Use function_invariant_p instead of CONSTANT_P + to decide if an equivalence should be recorded. + Unshare PLUS. + (calculate_needs_all_insns): Skip insns that only set an equivalence. + Take num_eliminable_invariants into account when deciding + if register elimination should be done. + (reload_as_needed): Take num_eliminable_invariants into account + when deciding if register elimination should be done. + (eliminate_regs): Handle non-constant reg_equiv_constant. + * rtl.h (function_invariant_p): Declare. + +Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com> + + * except.c (add_new_handler): Complain about additional handlers + after one that catches everything. + +Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (alpha*-*-netbsd): Fix typo. + * configure: Rebuilt. + +Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Include libiberty.h. + + * c-aux-info.c: Remove prototypes for concat/concat3. Change + function `concat' from fixed parameters to variable parameters, + as is done in libiberty. All callers of concat/concat3 + changed to use the new `concat' with variable args. + + * cccp.c: Remove things made redundant by libiberty.h and/or + conform to libiberty standards. + * cexp.y: Likewise. + * collect2.c: Likewise. + * config/1750a/1750a.h: Likewise. + * cppalloc.c: Likewise. + * cppexp.c: Likewise. + * cppfiles.c: Likewise. + * cpphash.c: Likewise. + * cpplib.c: Likewise. + * dyn-string.c: Likewise. + * fix-header.c: Likewise. + * gcc.c: Likewise. + * gcov.c: Likewise. + * genattr.c: Likewise. + * genattrtab.c: Likewise. + * gencheck.c: Likewise. + * gencodes.c: Likewise. + * genconfig.c: Likewise. + * genemit.c: Likewise. + * genextract.c: Likewise. + * genflags.c: Likewise. + * gengenrtl.c: Likewise. + * genopinit.c: Likewise. + * genoutput.c: Likewise. + * genpeep.c: Likewise. + * genrecog.c: Likewise. + * getpwd.c: Likewise. + * halfpic.c: Likewise. + * hash.c: Likewise. + * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes + in NEED_DECLARATION_* macros. + + * mips-tfile.c: Remove things made redundant by libiberty.h and/or + conform to libiberty standards. + (fatal): Fix const-ification of variable `format' in + !ANSI_PROTOTYPES case. + + * prefix.c: Remove things made redundant by libiberty.h and/or + conform to libiberty standards. + + * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid + conflicting with function `spaces' from libiberty. + + * profile.c: Remove things made redundant by libiberty.h and/or + conform to libiberty standards. + * protoize.c: Likewise. + * rtl.h: Likewise. + * scan.h: Likewise. + * tlink.c: Likewise. + * toplev.c: Likewise. + * toplev.h: Likewise. + * tree.h: Likewise. + +Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition. + +Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * README.C4X: Updated URLs. + * config/c4x/c4x.c (c4x_address_conflict): Fix typo. + (valid_parallel_operands_5): Remove unused variable. + +Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo. + +1998-11-26 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages + which can be configured. + (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@ + (Makefile): Pass actual LANGUAGES through the environment when + re-configuring. + (cstamp-h): Likewise. + (config.status): Likewise. + + * configure.in (enable_languages): Add new configuration parameter + "--enable-languages=lang1,lang2,...". + (${srcdir}/*/config-lang.in): Change handling to configure only + those directories, that the user might have enabled; default to + "all" existing languages. + * configure: Regenerate. + +Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com> + + * rtlanal.c (regs_set_between_p): New function. + * rtl.h (regs_set_between_p): Prototype it. + * jump.c (jump_optimize): Use it instead of modified_between_p + in the Sep 2 change. + +Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au> + Matthias Pfaller <leo@dachau.marco.de> + + * invoke.texi (Option Summary, NS32K Options): add description + of NS32K specific options. + + * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2, + fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2, + fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3, + negdf2, absdf2): Use l instead of f since the double class and + float class are no longer the same. + (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3, + divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2, + ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...): + use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been + fixed. + (cmpsi, cmphi, cmpqi): use general_operand instead of + non_immediate_operand. Removes erroneous assumption that can't + compare constants. + (movsf, movsi, movhi, movqi,...): New register numbering scheme. + (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded + constants. + (movstrsi, movstrsi1, movstrsi2): completely new block move + scheme. + (...): Patterns to exploit multiply-add instructions. + (udivmodsi4, udivmodsi_internal4, udivmodhi4, + udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new + patterns to exploit extended divide insns. + (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi + etc patterns. + + * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex + float return values as well as simple scalar floats. + (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES): + support new flag to denote 32381 fpu. + (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081. + (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not + compling for 32381. + (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS, + REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES, + REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM, + L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, + LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES, + REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS, + REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE, + REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P, + REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381 + fpu registers and special register classes for new 32381 + instructions dotf and polyf. + (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to + be tieable. + (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX, + INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is + required. + (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option. + (MOVE_RATIO): Set to zero because of smart movstrsi implimentation. + (REGISTER_MOVE_COST): move code to register_move_cost function for + ease of coding and debugging. + (CLASS_LIKELY_SPILLED_P): Under new register scheme class + LONG_FLOAT_REGO is likely spilled but not caught by default + definition. + (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro + instead of hard coded numbers in range check. + (ASM_OUTPUT_LABELREF_AS_INT): delete since unused. + (...): Add prototypes for functions in ns32k.c but disable because + of problems when ns32k.h is included in machine independant files. + + * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h". + (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names, + hard_regno_mode_ok, secondary_reload_class, + print_operand, print_operand_address): new register scheme to + include 32381 fpu registers and special register classes for new + 32381 instructions dotf and polyf. + (gen_indexed_expr): Make static to keep namespace clean. + (check_reg): remove since never called. + (move_tail, expand_block_move): helper functions for "movstrsi" + block move insn. + (register_move_cost): Helper function for REGISTER_MOVE_COST macro. + Increase cost of moves which go via memory. + * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag. + (CPP_PREDEFINES): nolonger predefine "unix". + + * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...): + Remove erroneous %$. print_operand() can work out from the rtx is + an immediate prefix is required. + + * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling + convention. + (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of + pic operands. + + * ns32k.c (symbolic_reference_mentioned_p, print_operand): + Correct handling of pic operands. + (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p, + ns32k_comp_type_attributes, ns32k_return_pops_args): Support for + -mrtd calling convention. + +Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com> + + * gcc.c (option_map): Recognize --output-class-directory. + +Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.h (precondition_loop_p): Added new mode argument. + * unroll.c (precondition_loop_p): Likewise. + (approx_final_value): Function deleted and subsumed + into loop_iterations. + (loop_find_equiv_value): New function. + (loop_iterations): Use loop_find_equiv_value to find increments + too large to be immediate constants. Also use it to find terms + common to initial and final iteration values that can be removed. + +Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.h (struct loop_info): Define new structure. + (precondition_loop_p): Added prototype. + (unroll_loop): Added new argument loop_info to prototype. + (final_biv_value, final_giv_value): Added new argument n_iterations + to prototype. + * loop.c (strength_reduce): Declare new structure loop_iteration_info + and new pointer loop_info. + (loop_n_iterations): Replace global variable by element in + loop_info structure. + (check_final_value): New argument n_iterations. + (insert_bct): New argument loop_info. + (loop_unroll_factor): Replace global array by element in + loop_info structure. + (loop_optimize): Remove code to allocate and initialise + loop_unroll_factor_array. + * unroll.c (precondition_loop_p): No longer static since + used by branch on count optimization. + (precondition_loop_p, unroll_loop): New argument loop_info. + (final_biv_value, final_giv_value, find_splittable_regs): New + argument n_iterations. + (loop_iteration_var, loop_initial_value, loop_increment, + loop_final_value, loop_comparison_code, loop_unroll_factor): + Replaced global variables by loop_info structure. + (loop_unroll_factor): Replace global array by element in + loop_info structure. + +Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn + when loop reversed. + + * unroll.c (precondition_loop_p): Return loop_initial_value + for initial_value instead of loop_iteration_var. + +Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md: Fix minor formatting problems. Update docs. + (*b, *b_rev, *b_noov, *b_noov_rev, *db, + decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch + to output the instruction sequences. + (rpts): Delete. + (rptb_top): Provide alternatives to use any register or memory + for loop counter. + (rptb_end): Emit use of operands rather than assigning them + explicitly to the RS and RE registers. + +Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p, + c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p, + c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg, + c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after, + c4x_merge_notes, c4x_parallel_process, + c4x_combine_parallel_independent, c4x_combine_parallel_dependent, + c4x_combine_parallel): Delete. + +Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c: (c4x_override_options): For compatibility + with old target options clear flag_branch_on_count_reg if + -mno-rptb specified and set flag_argument_alias is -mno-aliases + specified. + (c4x_output_cbranch): Handle a sequence of insns rather than a + single insn. + (c4x_rptb_insert): Do not emit a RPTB insn if the RC register + has not been allocated as the loop counter. + (c4x_address_conflict): Do not allow two volatile memory references. + (valid_parallel_operands_4, valid_parallel_operands_5, + valid_parallel_operands_6): Reject pattern if the register destination + of the first set is used as part of an address in the second set. + +Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG. + (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES + is no longer enabled if PARALLEL_MPY_FLAG set. + (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity. + (REG_CLASS_CONTENTS): Add braces around initializers. + (HAVE_MULTIPLE_PACK): Define. + (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with + REAL_VALUE_TO_DECIMAL. + (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with + REAL_VALUE_TO_DECIMAL. + (ar0_reg_operand): Add prototype. + (ar0_mem_operand): Likewise. + (ar1_reg_operand): Likewise. + (ar1_mem_operand): Likewise. + (ar2_reg_operand): Likewise. + (ar2_mem_operand): Likewise. + (ar3_reg_operand): Likewise. + (ar3_mem_operand): Likewise. + (ar4_reg_operand): Likewise. + (ar4_mem_operand): Likewise. + (ar5_reg_operand): Likewise. + (ar5_mem_operand): Likewise. + (ar6_reg_operand): Likewise. + (ar6_mem_operand): Likewise. + (ar7_reg_operand): Likewise. + (ar7_mem_operand): Likewise. + (ir0_reg_operand): Likewise. + (ir0_mem_operand): Likewise. + (ir1_reg_operand): Likewise. + (ir1_mem_operand): Likewise. + (group1_reg_operand): Likewise. + (group1_mem_operand): Likewise. + (ir1_reg_operand): Likewise. + (arx_reg_operand): Likewise. + (not_rc_reg): Likewise. + (not_modify_reg): Likewise. + (c4x_group1_reg_operand): Remove prototype. + (c4x_group1_mem_operand): Likewise. + (c4x_arx_reg_operand): Likewise. + +Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com> + + * emit-rtl.c (gen_lowpart_common): Remove earlier change. + * real.c (make_nan): Make SIGN arg actually specify the sign bit. + +Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern + during reload. + +Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1 + unless FMOVD_WORKS is defined. + +Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regclass.c (init_reg_sets): Move code that calculates tables + dependent on reg_class_contents from here... + (init_reg_sets_1): To here. + +Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.h: Delete struct import_file. Add ihash element to + struct cpp_buffer. Delete dont_repeat_files and + import_hash_table elements from cpp_reader; change + all_include_files to a hash table. Delete all foobar_include + / last_foobar_include elements from struct cpp_options; put + back four such: quote_include, bracket_include, + system_include, after_include. Redo struct file_name_list + completely. Add new structure type include_hash. Add + prototypes for merge_include_chains and include_hash. Change + prototypes for finclude, find_include_file, and + append_include_chain to match changes below. + + * cppfiles.c (simplify_pathname, include_hash, + remap_filename, merge_include_chains): New functions. + (add_import, lookup_import, open_include_file): Removed. + (INO_T_EQ): Define this (copied from cccp.c). + (hack_vms_include_specification): Remove all calls and #if 0 + out the definition. It was being called incorrectly and at + the wrong times. Until a VMSie can look at this, it's better + to not pretend to support it. + (append_include_chain): Change calling convention; now takes + only one directory at a time, and sets up the data structure + itself. + (redundant_include_p): Rewritten - this is now used for all + include redundancy, whether by #ifndef, #import, or #pragma + once. Looks up things in the include hash table. + (file_cleanup): Decrement pfile->system_include_depth here if + it's >0. + (find_include_file): Calling convention changed; now passes + around a struct include_hash instead of 3 separate parameters. + Guts ripped out and replaced with new include_hash mechanism. + (finclude): Calling convention changed as for + find_include_file. Error exits pulled out-of-line. Reformat. + (safe_read): Return a long, not an int. + (deps_output): Don't recurse. + + * cpplib.c (is_system_include): Deleted. + (path_include): Fix up call to append_include_chain. + (do_include): Fix up calls to find_include_file and finclude. + Clean up dependency output a bit. Shorten obnoxiously lengthy + #import warning message. Don't decrement + pfile->system_include_depth here. + (do_pragma): Understand the include_hash structure. Reformat. + (do_endif): Correct handling of control macros. Understand + the include_hash. + (cpp_start_read): Fix up calls to finclude. Call + merge_include_chains. + (cpp_handle_option): Fix up calls to append_include_chain. + Understand the four partial include chains. + (cpp_finish): Add debugging code (#if 0-ed out) for the + include_hash. + (cpp_cleanup): Free the include_hash, not the import hash and + the all_include and dont_repeat lists which no longer exist. + +Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (no_new_pseudos): Define. + (rest_of_compilation): Set no_new_pseudos as needed. + * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo + if no_new_pseudos is set. + * rtl.h (no_new_pseudos): Declare it. + * reload1.c (reload): Update comments. + * md.texi: Corresponding changes. + +Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo. + (choose_reload_regs): Rename it here as well. When computing it, + also merge in used hardregs. + +1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * gcc.c: Split out Objective-C specs to... + * objc/lang-specs.h: here. (New file.) Make the specs cpplib + aware. + + * c-lex.c (init_parse): Always initialize the filename global. + * objc/objc-act.c (lang_init): Always call check_newline at + beginning of file. + +Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk> + + * reload1.c (reload): Remove unused variable. + (reload_reg_free_for_value_p): Add missing parameter definition. + + * jump.c (jump_optimize): Remove unused variable. + +Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h. + + * cse.c (fold_rtx): Make autoincrement addressing mode tests be + runtime selectable. + * expr.c (move_by_pieces): Similarly. + (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly. + * flow.c (find_auto_inc): Similarly. + (try_pre_increment): Similarly. + * loop.c (strength_reduce): Similarly. + * regclass.c (auto_inc_dec_reg_p): Similarly. + * regmove.c (try_auto_increment): Similarly. + (fixup_match_1): Similarly. + * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined. + (HAVE_PRE_DECREMENT): Similarly. + (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly. + * Corresponding changes to all target header files. + * tm.texi: Update docs for autoinc addressing modes. + +Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com> + + * configure.in (m68020-*-elf*, m68k-*-elf*): New targets. + * configure: Rebuild. + * config/elfos.h: New file. + * config/m68k/m68020-elf.h, config/m68k/m68kelf.h, + config/m68k/t-m68kelf: New file. + +Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (HOST_AR): Define. + (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly. + (libcpp.a): Use the host tools explicitly. + (STAGESTUFF): Add libcpp.a. + +Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com> + + * config/m32r/m32r.md (movstrsi_internal): Describe changes made + to source and destination registers. + +Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com> + + * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe. + The strategy we now use is to pre allocate the top_elt along + with the EH context so that each thread has its own top_elt. + This is necessary as the dynmanic cleanup chain is used on the + top element of the stack and each thread MUST have its own. + (eh_context_static): Likewise. + (new_eh_context): Likewise. + (__sjthrow): Likewise. + +Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com> + + * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while. + * i386.md (prologue_get_pc): Remove unused variable. + +Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com> + + * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_. + +Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com> + + * Makefile.in (OBJS): Add graph.o + (graph.o): New dependency list. + * flags.h: Declare dump_for_graph and define graph_dump_types type. + * print-rtl.c (dump_for_graph): Define new variable. + (print_rtx): Rewrite to allow use in graph dumping functions. + * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file, + finish_graph_dump_file. + Define graph_dump_format. + (compile_file): If graph dumping is enabled also clear these files. + Finish graph dump files. + (rest_of_compilation): Also dump graph information if enabled. + (main): Recognize -dv to enabled VCG based graph dumping. + * graph.c: New file. Graph dumping functions. + +Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com> + + * configure.in: Look for <sys/stat.h>. + * system.h: Include it before substitute S_ISREG definitions. + +Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com> + + * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage. + * config/mips/iris6.h: Same. + * config/mips/mips.md: Same. + * config/mips/mips.c: Same; also add "-mabi=o64" option. + * config/mips/mips.h: Same; also define ABI_O64. + +Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Use AC_PREREQ(2.12.1). + +Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca> + + * cccp.c (S_ISREG, S_ISDIR): Delete defines. + * cpplib.c, gcc.c: Likewise. + * system.h (S_ISREG, S_ISDIR): Define if not already defined. + +Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com> + + * local-alloc.c (local_alloc): Use malloc not alloca for + reg_qty, reg_offset, ref_next_in_qty. + +Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * caller-save.c (insert_one_insn): Initialize the live_before and + live_after register sets. + + Add SH4 support: + + * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define. + (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define. + * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS. + (fp_reg_names, assembler_dialect): New variables. + (print_operand_address): Handle SUBREGs. + (print_operand): Added 'o' case. + Don't use adj_offsettable_operand on PRE_DEC / POST_INC. + Name of FP registers depends on mode. + (expand_block_move): Emit different code for SH4 hardware. + (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate. + (from_compare): Likewise. + (add_constant): New argument last_value. Changed all callers. + (find_barrier): Don't try HImode load for FPUL_REG. + (machine_dependent_reorg): Likewise. + (sfunc_uses_reg): A CLOBBER cannot be the address register use. + (gen_far_branch): Emit a barrier after the new jump. + (barrier_align): Don't trust instruction lengths before + fixing up pcloads. + (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG. + Use auto-inc addressing for fp registers if doubles need to + be loaded in two steps. + Set sh_flag_remove_dead_before_cse. + (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul. + (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul. + (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR. + Support for FIRST_XD_REG .. LAST_XD_REG. + (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG. + (sh_expand_epilogue): Likewise. + (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4. + (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account. + (arith_reg_operand): FPUL_REG is OK for SH4. + (fp_arith_reg_operand, fp_extended_operand) New functions. + (tertiary_reload_operand, fpscr_operand): Likewise. + (commutative_float_operator, noncommutative_float_operator): Likewise. + (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise. + (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise. + (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise. + (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise. + * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only. + (CONDITIONAL_REGISTER_USAGE): Likewise. + (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define. + (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define. + (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define. + (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd. + (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer + to -1 and sh_flag_remove_dead_before_cse to 1. + (ASSEMBLER_DIALECT): Define to assembler_dialect. + (assembler_dialect, fp_reg_names): Declare. + (OVERRIDE_OPTIONS): Add code for TARGET_SH4. + Hide names of registers that are not accessible. + (CACHE_LOG): Take TARGET_CACHE32 into account. + (LOOP_ALIGN): Take TARGET_HARWARD into account. + (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define. + (FIRST_PSEUDO_REGISTER: Now 49. + (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers. + (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG. + (HARD_REGNO_MODE_OK): Update. + (enum reg_class): Add DF_REGS and FPSCR_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise. + (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update. + (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define. + (NPARM_REGS): Eight floating point parameter registers on SH4. + (BASE_RETURN_VALUE_REG): SH4 also passes double values + in floating point registers. + (GET_SH_ARG_CLASS) Likewise. + Complex float types are also returned in float registers. + (BASE_ARG_REG): Complex float types are also passes in float registers. + (FUNCTION_VALUE): Change mode like PROMOTE_MODE does. + (LIBCALL_VALUE): Remove trailing semicolon. + (ROUND_REG): Round when double precision value is passed in floating + point register(s). + (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are + passed on the stack. + (FUNCTION_ARG): Little endian adjustment for SH4 SFmode. + (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4. + (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account. + (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD. + (MODE_DISP_OK_8): Not for SH4 DFmode. + (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode. + Allow indexed addressing for PSImode after reload. + (LEGITIMIZE_ADDRESS): Not for SH4 DFmode. + (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode. + Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS. + (DOUBLE_TYPE_SIZE): 64 for SH4. + (RTX_COSTS): Add PLUS case. + Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case. + (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS, + MAC_REGS, PR_REGS, DF_REGS. + (REGISTER_NAMES): Use fp_reg_names. + (enum processor_type): Add PROCESSOR_SH4. + (sh_flag_remove_dead_before_cse): Declare. + (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare. + (PREDICATE_CODES): Add binary_float_operator, + commutative_float_operator, fp_arith_reg_operand, fp_extended_operand, + fpscr_operand, noncommutative_float_operator. + (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR. + (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4. + * sh.md (attribute cpu): Add value sh4. + (attrbutes fmovd, issues): Define. + (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv. + (function units memory, int, mpy, fp): Make dependent on issue rate. + (function units issue, single_issue, load_si, load): Define. + (function units load_store, fdiv, gp_fpul): Define. + (attribute hit_stack): Provide proper default. + (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4. + (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns. + (udivsi3, divsi3): Emit special patterns for SH4 hardware, + (mulsi3_call): Now uses match_operand for function address. + (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL / + REG_RETVAL notes. + (push, pop, push_e, pop_e): Now define_expands. + (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders. + (movsi_ie): Added y/i alternative. + (ic_invalidate_line_i, movdf_i4): New insns. + (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters. + (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders. + (movdf): Add special code for SH4. + (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible. + (call_valuei, calli, call_value): Likewise. + (movsf): Emit no-op move. + (mov_nop, movsi_y): New insns. + (blt, sge): generalize to handle DFmode. + (return predicate): Call emit_fpscr_use and remove_dead_before_cse. + (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4. + (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns. + (fpu_switch0, fpu_switch1, movpsi): New expanders. + (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters. + (toggle_sz): New insn. + (addsf3, subsf3, mulsf3, divsf3): Now define_expands. + (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns. + (macsf3): Make use of fpscr visible. Disable for SH4. + (floatsisf2): Make use of fpscr visible. + (floatsisf2_i4): New insn. + (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4. + (ieee_ccmpeqsf_t): Likewise. + (fix_truncsfsi2): Emit different code for SH4. + (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns. + (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns. + (negsf2, sqrtsf2, abssf2): Now expanders. + (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders. + (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns. + (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns. + (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders. + (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns. + (fix_truncdfsi2_i4_2+1): New splitters. + (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns. + (extendsfdf2, truncdfsf2): New expanders. + (truncdfsf2_i4): New insn. + * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4. + (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4. + * float-sh.h: When testing for __SH3E__, also test for + __SH4_SINGLE_ONLY__ . + * va-sh.h (__va_freg): Define to float. + (__va_greg, __fa_freg, __gnuc_va_list, va_start): + Define for __SH4_SINGLE_ONLY__ like for __SH3E__ . + (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise. + (__PASS_AS_FLOAT): Use different definition for __SH4__ and + __SH4_SINGLE__. + (TARGET_SH4_P): Define. + (va_arg): Use it. + + * sh.md (movdf_k, movsf_i): Tweak the condition so that + init_expr_once is satisfied about the existence of load / store insns. + + * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie): + change m constraint in source operand to mr / mf . + + * va-sh.h (__va_arg_sh1): Use __asm instead of asm. + + * (__VA_REEF): Define. + (__va_arg_sh1): Use it. + + * va-sh.h (va_start, va_arg, va_copy): Add parenteses. + +Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com) + + * i386/dgux.c (struct option): Add new "description field". + * m88k/m88k.c (struct option): Likewise. + +Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * regmove.c (regmove_profitable_p): Use return value of find_matches + properly. + +Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called + without reload having been called earlier. + + * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP + addressing modes. + (v850_reorg): Similarly. + + * loop.c (check_dbra_loop): Avoid using gen_add2_insn. + +Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (move_movables): Start of libcall might be new loop start. + +Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS(). + +Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * function.c (nonlocal_goto_handler_slots): Renamed from + nonlocal_goto_handler_slot; now an EXPR_LIST chain. + (push_function_context_to): Adjust for this change. + (pop_function_context_from): Likewise. + (init_function_start): Likewise. + (expand_function_end): Likewise. + * function.h (struct function): Likewise. + * calls.c (expand_call): Likewise. + * explow.c (allocate_dynamic_stack_space): Likewise. + * expr.h (nonlocal_goto_handler_slots): Rename its declaration. + * stmt.c (declare_nonlocal_label): Make a new handler slot for each + label. + (expand_goto): When doing a nonlocal goto, find corresponding handler + slot for it. Don't put the label address in the static chain register. + (expand_end_bindings): Break out nonlocal goto handling code into + three new functions. + (expand_nl_handler_label, expand_nl_goto_receiver, + expand_nl_goto_receivers): New static functions, broken out of + expand_end_bindings and adapted to create one handler per nonlocal + label. + * function.c (delete_handlers): Delete insn if it references any of + the nonlocal goto handler slots. + * i960.md (nonlocal_goto): Comment out code that modifies + static_chain_rtx. + * sparc.md (nonlocal_goto): Likewise. + (goto_handler_and_restore_v9): Comment out. + (goto_handler_and_restore_v9_sp64): Comment out. + +Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * expr.c (STACK_BYTES): Delete unused macro. + * calls.c: Provide default for PREFERRED_STACK_BOUNDARY. + (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. + (expand_call): Likewise. + (emit_library_call): Likewise. + (emit_library_call_value): Likewise. + * function.c: Provide default for PREFERRED_STACK_BOUNDARY. + (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. + * explow.c: Provide default for PREFERRED_STACK_BOUNDARY. + (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. + (allocate_dynamic_stack_space): Likewise. + * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro. + (STACK_BOUNDARY): Update description to reflect the new situation. + +Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com) + + * reorg.c (relax_delay_slots): When optimizing for code size, if a + return with a filled delay slot is followed by a return with an + unfilled delay slot, delete the first return and reemit the insn + that was previously in its delay slot. + + * i860.c (single_insn_src_p): Add missing parens. + * ginclude/math-3300.h: Likewise. + +Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org) + + * regclass.c (init_reg_sets_1): Add prototype. + (init_reg_modes): Likewise. + +1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * c-common.c: Change warning messages to say `comparison is + always true' or `comparison is always false' instead of the + confusing `is always 0', `is always 1'. + +Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com> + + * print-tree.c (print_node): After printing BLOCK or BIND_EXPR, + break instead of return (which loses closing '>'). + +Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com) + + * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not + standard 387 constants. + + * i386.md (jump): Explicitly set "memory" attribute. + (indirect_jump, prologue_set_stack_ptr): Likewise. + (prologue_get_pc_and_set_got, pop): Likewise. + (allocate_stack_worder, blockage, return_internal): Likewise. + (return_pop_internal, nop): Likewise. + (epilogue_set_stack_ptr, leave): Likewise. + +Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/coff.h: Set USER_LABEL_PREFIX to "_". + +Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_for_value_p): + Early auto_inc reloads don't conflict with outputs. + +Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h). + Instead call AC_HEADER_SYS_WAIT. + + * collect2.c: Don't provide defaults for sys/wait.h macros. + * gcc.c: Likewise. + * protoize.c: Likewise. Also, don't include sys/wait.h. + + * system.h: Include sys/wait.h and provide macro defaults. + +1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * Makefile.in (mandir): Set to @mandir@. + (man1dir): New variable to hold the former value of $(mandir). + Replace all uses of $(mandir) by $(man1dir). + +Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com> + + * reload.c (find_reloads_address_part): If have a CONST_INT, create + a new one before passing it to force_const_mem. + + * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in + find_reloads_address call. + +Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * expr.c (store_expr): Don't generate load-store pair + if TEMP is identical (according to ==) with TARGET. + +Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_for_value_p): When considered reload + has an output, matching inputs are not sufficient to avoid conflict. + +Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com> + + * hash.h (hash_table_key): New type. + (hash_entry): Change `string' field to generic `key'. + (hash_table): Add `comp' and `hash' functions. + (hash_table_init): Take them as input. + (hash_table_init_n): Likewise. + (hash_lookup): Modify for generic keys. + (hash_newfunc): Likewise. + (hash_traverse): Likewise. + (string_hash): New function. + (string_compare): Likewise. + (string_copy): Likewise. + * hash.c (hash_table_init_n): Modify for generic keys. + (hash_table_init): Likewise. + (hash_lookup): Likewise. + (hash_newfunc): Likewise. + (hash_traverse): Likewise. + (string_hash): Split out from hash_lookup. + (string_compare): New function. + (string_copy): Split out from hash_lookup. + * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash + tables. + (symbol_hash_lookup): Likewise. + (file_hash_newfunc): Likewise. + (file_hash_lookup): Likewise. + (demangled_hash_newfunc): Likewise. + (demangled_hash_lookup): Likewise. + (tlink_int): Likewise. + (read_repo_file): Likewise. + (recompile_files): Likewise. + (demangle_new_symbols): Likewise. + (scan_linker_output): Likewise. + +Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * flow.c (insn_dead_p): New argument NOTES. Changed all callers. + +Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (output_mi_thunk): Improve test for local branch. + +Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000.c (output_mi_thunk): Correct test for aggregate values. + +Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_before_p): Delete. + Changed all callers to use reload_reg_free_for_value_p instead. + (reload_reg_free_for_value_p): Handle more reload types. + A RELOAD_FOR_INPUT doesn't conflict with its + RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS. + Add special case for OUT == const0_rtx. + Added ignore_address_reloads argument. Changed all callers. + +Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (compile_file): Don't pedwarn about undefined static + functions just because we passed -Wunused. + +Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * function.c (purge_addressof_1): Unshare rtl created by + store_bit_field. + +Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c (regmove_optimize): Don't do anything but + optimize_reg_copy[123] when flag_regmove is not set. + +Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode + value in paradoxical SImode result, rather than truncating midpoint. + +Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (reg_not_elim_operand): New. + * alpha.h (PREDICATE_CODES): Add it. + * alpha.md (s48addq, s48subq patterns): Use it as the predicate + for the multiplicand. + +Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (movsf): Remove explicit secondary-reload-like + functionality. Only truncate SFmode store if in FPR. + (movsf splitters): Combine const_double splitters. + (movsf_hardfloat): Add GPR support. + +Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com> + + * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to + deprecate -mlive-g0 and -mbroken-saverestore. + * t-splet (MULTILIB_OPTIONS): Likewise. + + * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size + in a leaf function. Clarify total_size/extra_size relationship. + +Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com> + + * i386/cygwin32.asm: Delete. + * i386/cygwin.asm: New file, renamed from cygwin32.asm. + * i386/cygwin32.h: Delete. + * i386/cygwin.h: New file, renamed from cygwin32.h. + * i386/t-cygwin32: Delete. + * i386/t-cygwin: New file, renamed from t-cygwin32. Include + cygwin.asm instead of cygwin32.asm. Remove "32" from comment. + * i386/x-cygwin32: Delete. + * i386/x-cygwin: New file, renamed from x-cygwin32. + * i386/xm-cygwin32: Delete. + * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly + renamed cygwin_ funcs for path translations. + * i386/win32.h: Define __CYGWIN__ when -mcygwin given. + * i386/winnt.c: Remove "32" from comment about cygwin. + * i386/mingw32.h: Fix references to cygwin32.h in light of above. + * rs6000/cygwin32.h: Delete. + * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add + -D__CYGWIN__ to CPP_PREDEFINES. + * rs6000/x-cygwin32: Delete. + * rs6000/x-cygwin: New file, renamed from x-cygwin32. + * rs6000/xm-cygwin32: Delete. + * rs6000/xm-cygwin: New file, renamed from xm-cygwin32. + + * configure.in: Check for cygwin* instead of cygwin32. Account + for the rename of cygwin-related config files to lose the "32"s. + * configure: Regenerate. + + * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c, + toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__. + +Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com> + + * Makefile.in (JAVAGC): New macro. + * configure: Rebuilt. + * configure.in: Recognize --enable-java-gc argument. Subst + `JAVAGC' variable. + +Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + Handle equivalences that have been obscured by gcse: + + * reload1.c (reload): Handle equivalences set up in multiple places. + * local-alloc.c (reg_equiv_init_insns): New variable. + (no_equiv): New function. + (update_equiv_regs): Handle equivalences set up in multiple places. + Don't ignore an insn just because its destination is likely to be + spilled. + +Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com> + + * except.c (expand_eh_return): Readd force_operand call lost in + Sept 15 change. + +Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case. + +1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H. + +Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * regmove.c (regmove_optimize): Fix error in last change. + +Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com> + + * mips.c (function_prologue): When TARGET_MIPS16, adjust the register + offset in the .mask pseudo to compensate for frame pointer adjustments. + (mips16_fp_args, build_mips16_call_stub): For little endian, do not + word swap arguments moved to/from FP registers. + * mips16.S (DFREVCMP): Reverse arguments to OPCODE. + +Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (delete_output_reload_insn): If a pseudo is set multiple + times, then it can not be completely replaced. + +Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length. + +Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gansidecl.h: Prepend a "G" to the macro wrapping this file + (to distinguish it from the macro wrapping ansidecl.h.) + Include libiberty's ansidecl.h. Remove all redundant definitions. + Define the PROTO() style macros in terms of the PARAMS() ones. + + + * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not + __STDC__, when deciding whether to use ANSI variable args. + (emit_library_call_value): Likewise. + + * cccp.c (error): Likewise. + (warning): Likewise. + (error_with_line): Likewise. + (warning_with_line): Likewise. + (pedwarn): Likewise. + (pedwarn_with_line): Likewise. + (pedwarn_with_file_and_line): Likewise. + (fatal): Likewise. + + * cexp.y (error): Likewise. + (pedwarn): Likewise. + (warning): Likewise. + + * collect2.c (fatal_perror): Likewise. + (fatal): Likewise. + (error): Likewise. + + * combine.c (gen_rtx_combine): Likewise. + + * cpperror.c (cpp_message): Likewise. + (cpp_fatal): Likewise. + + * cpplib.c (cpp_error): Likewise. + (cpp_warning): Likewise. + (cpp_pedwarn): Likewise. + (cpp_error_with_line): Likewise. + (cpp_warning_with_line): Likewise. + (cpp_pedwarn_with_line): Likewise. + (cpp_pedwarn_with_file_and_line): Likewise. + + * cpplib.h: Don't define PARAMS() macro. + + * demangle.h: Likewise. + + * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__, + when deciding whether to use ANSI variable args. + + * emit-rtl.c (gen_rtx): Likewise. + (gen_rtvec): Likewise. + + * final.c (asm_fprintf): Likewise. + + * fix-header.c (cpp_message): Likewise. + (fatal): Likewise. + (cpp_fatal): Likewise. + + * gcc.c (concat): Likewise. + (fatal): Likewise. + (error): Likewise. + + * genattr.c (fatal): Likewise. + + * genattrtab.c (attr_rtx): Likewise. + (attr_printf): Likewise. + (fatal): Likewise. + + * gencodes.c (fatal): Likewise. + + * genconfig.c (fatal): Likewise. + + * genemit.c (fatal): Likewise. + + * genextract.c (fatal): Likewise. + + * genflags.c (fatal): Likewise. + + * genopinit.c (fatal): Likewise. + + * genoutput.c (fatal): Likewise. + (error): Likewise. + + * genpeep.c (fatal): Likewise. + + * genrecog.c (fatal): Likewise. + + * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when + deciding whether to declare `tree_node' and `rtx_def'. + + * hash.h: Don't define stuff we get from gansidecl.h. + + * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS(). + (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding + whether to use ANSI variable args. + (error): Likewise. + + * prefix.c (concat): Likewise. + + * scan.h: Likewise. + + * system.h: Likewise. + + * toplev.c (error_with_file_and_line): Likewise. + (error_with_decl): Likewise. + (error_for_asm): Likewise. + (error): Likewise. + (fatal): Likewise. + (warning_with_file_and_line): Likewise. + (warning_with_decl): Likewise. + (warning_for_asm): Likewise. + (warning): Likewise. + (pedwarn): Likewise. + (pedwarn_with_decl): Likewise. + (pedwarn_with_file_and_line): Likewise. + (sorry): Likewise. + (really_sorry): Likewise. + + * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding + whether to declare `tree_node' and `rtx_def'. + + * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when + deciding whether to use ANSI variable args. + (build_nt): Likewise. + (build_parse_node): Likewise. + +Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB. + +Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org> + + * collect2.c (main, case 'b'): Use else if. + +Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (host_xm_file, build_xm_file, xm_file, tm_file): + Arrange to include gansidecl.h in {ht}config.h & tm.h just + before the config/ directory headers. + (tm_file_list, host_xm_file_list, build_xm_file_list): Handle + gansidecl.h in the list of dependencies. + + * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h. + (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib, + mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o, + gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o, + dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o, + cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o): + Likewise. + + * cccp.c: Don't include gansidecl.h. + * cexp.y: Likewise. + * collect2.c: Likewise. + * config/c4x/c4x.c: Likewise. + * config/v850/v850.h: Likewise. + * cppalloc.c: Likewise. + * cpperror.c: Likewise. + * cppexp.c: Likewise. + * cppfiles.c: Likewise. + * cpphash.c: Likewise. + * cpplib.c: Likewise. + * cppmain.c: Likewise. + * cppulp.c: Likewise. + * demangle.h: Likewise. + * doprint.c: Likewise. + * dyn-string.c: Likewise. + * eh-common.h: Likewise. + * fix-header.c: Likewise. + * frame.c: Likewise. + * gcc.c: Likewise. + * gcov.c: Likewise. + * gen-protos.c: Likewise. + * gencheck.c: Likewise. + * halfpic.h: Likewise. + * hash.c: Likewise. + * machmode.h: Likewise. + * mbchar.c: Likewise. + * prefix.c: Likewise. + * protoize.c: Likewise. + * recog.h: Likewise. + * rtl.h: Likewise. + * scan-decls.c: Likewise. + * tree.h: Likewise. + * varray.h: Likewise. + +Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com> + + * i386.md (call_value_pop): If we're not popping anything, + defer to call_value. + (call_pop): Likewise defer to call. + +Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com> + + * function.c (purge_addressof): Clear purge_addressof_replacements + only after processing the whole function. + +Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload): If we can not perform a particular elimination + when we thought we could earlier, then we must always iterate through + the loop at least one more time. + +Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (add_operand): Simplify the CONST_INT match. + (sext_add_operand): Correct typo in comparison by using + CONST_OK_FOR_LETTER_P. + * alpha.md (s?addq): Use sext_add_operand to allow the negative + constant alternatives to be generated. + (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow + small constants, since the hw instructions do. + +Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a + previous insn to store directly into our reload register, make sure + that if the source of the previous insn is a reload register, its + spill_reg_store and spill_reg_stored_to values are cleared. + +Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (floatunssidf2_internal splitter): Use base register + operand, not hard-coded SP. + +Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * jump.c (calculate_can_reach_end): Fix thinko. + +Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com) + + * reorg.c (fill_simple_delay_slots): Fix typo. + + * romp.h (LEGITIMIZE_ADDRESS): Fix typo. + +Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz) + + * i386.md (extendsidi2): Use # in the output template. + (extendsidi splitters): New splitters. + +Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com> + + * configure.in: Use unknown-elf.h as tm_file for arm-elf + configuarions. + * configure: Regenerate. + +Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * jump.c (init_label_info, delete_barrier_successors, + mark_all_labels, delete_unreferenced_labels, + delete_noop_moves, calculate_can_reach_end): New functions broken + out of jump_optimize. + (jump_optimize): Use them. + +Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.c (expand_fixup_region_end): Make sure outer context labels + are not issued in an inner context during cleanups. + +Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (addsi3, subsi3): No new temporaries once cse is + no longer expected. + +Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as + to expose this midpoint to CSE. + +Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again. + +Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * configure.in: Bring over gcc2 change of Nov 19 1997. + +Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk> + + * toplev.c (output_lang_identify): Make definition dependent on + ASM_IDENTIFY_LANGUAGE. + + * print-rtl.c (spaces): Make static. + +Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se> + + * extend.texi: Clarify proper uses for register clobbers in asms. + +Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * recog.h (enum op_type): Define. + (constrain_operands): Adjust prototype. + (recog_op_type): Declare new variable. + * recog.c (recog_op_type): New variable. + (insn_invalid_p): Allow modifying an asm statement after reload. + (extract_insn): Set up recog_op_type. + (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed. + Don't compute operand types, use recog_op_type. + Use the information computed by extract_insn instead of the previous + method of finding it by insn code number. + * caller-save.c (init_caller_save): Use extract_insn, not insn_extract. + * reorg.c (fill_slots_from_thread): Likewise. + * reload1.c (reload_as_needed): Likewise. + (gen_reload): Likewise. + (inc_for_reload): Likewise. + (reload_cse_simplify_operands): Likewise. + Use the information computed by extract_insn instead of the previous + method of finding it by insn code number. + * genattrtab.c (write_attr_case): Generate call to extract_insn, not + insn_extract. + * final.c (final_scan_insn): Use extract_insn, not insn_extract. + (cleanup_operand_subregs): Use extract_insn, not insn_extract. + Use the information computed by extract_insn instead of the previous + method of finding it by insn code number. + * regmove.c (find_matches): Likewise. Change meaning of the return + value to be nonzero if the optimization can be performed, zero if + not. All callers changed. + Shorten some variable names to fix formatting problems. + (regmove_optimize): Shorten some variable names to fix formatting + problems. + Use the information computed by extract_insn instead of the previous + method of finding it by insn code number. + * regclass.c (scan_one_insn): Likewise. + (record_reg_classes): Don't compute operand types, use recog_op_type. + * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use + recog_constraints instead. + +Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com) + + * rtl.h (flow2_completed): Declare. + * flow.c (flow2_completed): Definition. + * toplev.c (rest_of_compilation): Set and clear flow2_completed + as necessary. + +Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca> + + * Makefile.in (libcpp.a): Ranlib libcpp.a + + * cppulp.c (user_label_prefix): Initialize. + +Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com) + + * flow.c (mark_regs_live_at_end): Mark the stack pointer as live + at a RETURN if current_function_sp_is_unchanging is set. + +Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * emit-rtl.c (try_split): Fixed error in Oct 10 patch. + +Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com> + + * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL, + TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New. + (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options. + (CPP_PREDEFINES): Don't define __CYGWIN32__ here. + (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options. + (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition + to __CYGWIN32__. + (LIB_SPEC): Handle -mno-cyginw option. + (LINK_SPEC): Handle -mdll. + +Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads): Fix test for usage by other reload + to handle secondary reloads properly. + +Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an + intermediate structure which has exactly the members provided by + ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the + static intermediate structure. + + (init_elim_table): Xmalloc() `reg_eliminate', and initialize it + from the intermediate structure. Do the same analogous fix in + the case where ELIMINABLE_REGS is not defined. + +Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com) + + * pa.h (SELECT_SECTION): Fix thinko. + +Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (output_call_frame_info): Comments on last change. + +Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (add_constant): When taking the address of an item in the + pool, get the mode of the item addressed. + + * arm.c (final_prescan_insn case INSN): If an insn doesn't + contain a SET or a PARALLEL, don't consider it for conditional + execution. + + Restore ABI compatibility for NetBSD. + * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in + arm.h + (RETURN_IN_MEMORY): Likewise. + +Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com> + + * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations. + (m32r_output_block_move): Rewrite bytes < 4 handling. + +Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Call AC_FUNC_VFORK. + + * collect2.c: Define VFORK_STRING as a printable string for + error messages (either "vfork" or "fork".) If HAVE_VFORK_H is + defined, include vfork.h. If VMS is defined, define vfork() + appropriately. Remove vfork check on USG, we're using autoconf. + (collect_execute): Pass VFORK_STRING to fatal_perror instead of + checking locally what string to pass. + (scan_prog_file): Likewise. + (scan_libraries): Likewise. + + * gcc.c: Remove vfork check on USG, we're using autoconf. + Besides, no calls to vfork/fork occur in this file. + + * protoize.c: Likewise. + +Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * configure.in (DEFAULT_LINKER): renamed from LD + (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch + (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS + * configure: rebuilt + +Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * BUGS: fix the regexp for `more' to find the appropriate node. + Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch> + + * BUGS: added link to the WWW FAQ + +Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com) + + * From Christian Gafton: + * i386/linux.h (CPP_PREDEFINES): Add -D__i386__. + * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__. + * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__. + +Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com> + + * c-common.c (c_get_alias_set): Allow all type-punning through + unions. Don't get confused about the type of a bit-field, despite + the antics of build_modify_expr. + +Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com> + + * fixinc.sco: Paramaterize #include_next values. + * fixinc/fixinc.sco: Likewise. + +Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (rest_of_compilation): No longer set reload_completed. + * reload1.c (reload): Set it here. Perform instruction splitting + after reload has completed if we will be running the scheduler + again. + +Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com) + + * jump.c (jump_optimize): Initialize mappings from INSN_UID to + EH region if exceptions are enabled and we're performing cross + jump optimizations. + (find_cross_jump): Exit loop if the insns are in different EH regions. + +Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com> + + * dwarf2out.c (output_call_frame_info): Use + ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c. + +Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + Reinstall Apr 24th fix, lost during May 6th gcc2 merge: + * c-common.c (check_format_info): Don't check for the 'x' + format character twice, instead check for 'x' and 'X' + +Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (assembler features): Also make gas is configured if + we find it in the souce tree. + +Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com> + + * i386.c (i386_comp_type_attributes): Compare whether the + attributes are defined, not their tree nodes. + +Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * configure.in (gxx_include_dir): bitten by autoconf quoting + characters :-( + * configure: rebuilt + +Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * configure.in: Ignore non-absolute value in $AS. + +Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de> + + * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko. + +Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net> + + * configure.in (msdosdjgpp): Set exeext and target_alias. + +Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * flow.c (XNMALLOC): New macro. + (flow_int_list_blocks, basic_block_succ, basic_block_pred): New + static variables. + (add_edge, add_edge_to_label): New static functions. + (free_bb_memory): New function. + (flow_delete_insn): Delete function. + (basic_block_drops_in): Delete variable. + (find_basic_blocks): Allocate and initialize basic_block_head, + basic_block_succ. Don't allocate basic_block_drops_in. + Call free_bb_memory at the beginning. + (find_basic_blocks_1): Don't do multiple passes. + Delete code to compute basic_block_drops_in. + After calling make_edges, mark blocks reached by current block live. + Update test for unreachable live blocks. + (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers + changed. + Simplify to call add_edge_to_label when a LABEL_REF is found. + (make_edges): Simplify to call add_edge_to_label instead of + mark_label_ref most of the time. + Compute here whether control drops into the next block. + (delete_unreachable_blocks): Return void. All callers changed. + Delete unreachable blocks in reverse order. + After deleting all unreachable blocks, renumber the remaining ones + and update n_basic_blocks. + (delete_block): Speed up deletion a bit. + Don't set basic_block_drops_in for deleted blocks. + (free_basic_block_vars): Don't free basic_block_drops_in. + (life_analysis_1): Update to use new edge representation. + (dump_flow_info): Delete code to print basic block info; call + dump_bb_data instead. + (compute_preds_succs): Delete code to recompute basic_block_drops_in + and uid_block_number. + Simply copy the previously computed cfg. + (dump_bb_data): New arg LIVE_INFO. All callers changed. + Print register lifetime information if LIVE_INFO is nonzero. + * basic-block.h (dump_bb_data): Adjust prototype. + * gcse.c (gcse_main): Update call to dump_bb_data. + * rtl.h (free_bb_memory): Declare. + * toplev.c (rest_of_compilation): Call free_bb_memory. + + * reload1.c (struct elim_table): Delete MAX_OFFSET member. + (update_eliminable_offsets): Don't compute it. + (set_initial_elim_offsets): Don't initialize it. + Break out some code into set_initial_label_offsets so the rest of + this function can be called from reload_as_needed. + Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when + ELIMINABLE_REGS isn't. + (set_initial_label_offsets): New function, broken out of + set_initial_elim_offsets. + (set_offsets_for_label): New function, broken out of set_label_offsets + and reload_as_needed. + (reload): Call the two new functions. + (reload_as_needed): Call set_initial_elim_offsets instead of + duplicating the code. Likewise for set_offsets_for_label. + + * reload1.c (choose_reload_regs): Fix typo in Oct 17 change. + (emit_reload_insns): Ensure that when we set reg_reloaded_valid for + any hard reg, reg_reloaded_dead contains valid data. + +Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de> + + * i386.c (i386_comp_type_attributes): Return nonzero for mismatched + "stdcall" and "cdecl" attributes. + +Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com> + + * sched.c (update_flow_info): Add code to ! found_orig_dest case to + handle deleted no-op moves of hard registers. + * haifa-sched.c (update_flow_info): Likewise. + +Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com) + + * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end + of the sequences to reload the HILO register which do not actually + reference HILO. + +Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com> + + * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field. + +Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.c (emit_eh_context): Make the EH context register stay alive + at -O0 so stupid.c doesn't get confused. + +1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * emit-rtl.c (try_split): Do not try to split a BARRIER. + +Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz> + Jeffrey A Law (law@cygnus.com) + + * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM + (zero_extendsidi2): Use # in output template and handle completely by + splits. + (zero_extend splitters): New define_splits. + (ashiftrt_32): New pattern. + +Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.c (append_random_chars): New fn. + (get_file_function_name_long): Use it. + +Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com> + + * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last. + (LIBCPP_OBJS): New. Add cppulp.o. + (cppmain, fix-header): Depend on and use libcpp.a. + * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead + of the individual object files. + * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@, + last. + + * cccp.c (user_label_prefix): New. + (main): Set it off -f*leading-underscore. + (special_symbol): Use it. + * cpplib.c (special_symbol): Likewise. + (cpp_handle_option): Handle -f*leading-underscore. + * cppulp.c: New file. + + * output.h (user_label_prefix): Declare it. + * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix. + * toplev.c (f_options, main): Handle -f*leading-underscore. + + * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of + referencing USER_LABEL_PREFIX directly. + * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise. + * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise. + * final.c (asm_fprintf): Use user_label_prefix instead. + * arm/thumb.c (thumb_print_operand): Likewise. + + * gcc.c (default_compilers): Pass -f*leading-underscore on to + cpp wherever appropriate. + +Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com> + + * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer- + specific compiler switches. + +Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead + of rtl.h. + +Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate + structure which has exactly the members provided by EXTRA_SPECS. + Xmalloc() the real `extra_specs', and initialize it from this + intermediate structure. + + * alpha.h (EXTRA_SPECS): Revert change for missing initializers. + + * mips.h (EXTRA_SPECS): Likewise. + + * sparc.h (EXTRA_SPECS): Likewise. + +Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * function.c (purge_addressof_1): Instead of aborting when a + bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not + work just put the ADDRESSOF on stack. Otherwise remember all such + successfull replacements, so that exactly the same replacements + can be made on the REG_NOTEs. Remove the special case for CALL + insns again. + (purge_addressof_replacements): New variable. + (purge_addressof): Clear it at end. + +1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB. + (lang_init): Call check_newline always. + * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling + cpp_start_read, set yy_cur and yy_lim to read from + parse_in.token_buffer, so that we'll see the first #line + directive. + * cpplib.c (cpp_start_read): finclude the main input file + before processing -include/-imacros. Process -imacros and + -include separately, and handle -include by stacking a + buffer for the file in question as if it'd been #included. + * toplev.c (documented_lang_options) Recognize -H when + USE_CPPLIB is on. + +1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c: Merge do_once into do_pragma. Break file handling + code out of do_include. + Move append_include_chain, deps_output, + file_cleanup, redundant_include_p, import_hash, + lookup_import, add_import, read_filename_string, read_name_map, + open_include_file, finclude, safe_read to cppfiles.c. + Move prototypes for deps_output, append_include_chain, + finclude to cpplib.h. Move definition of struct + file_name_list there also. + + * cppfiles.c: New file. Contains all the above functions + broken out of cpplib.c; also hack_vms_include_specification + from cccp.c and find_include_file, a new function broken out of + do_include. + + * Makefile.in (cppmain): Depend on cppfiles.o. + (fix-header): Likewise. + (cppfiles.o): New target. + * configure.in (--enable-c-cpplib): Add cppfiles.o to + extra_c_objs. Add ../cppfiles.o to extra_cxx_objs. + +Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com> + + * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort + if pending_types is non-zero. + (dwarfout_finish): Verify pending_types is zero before finishing. + +Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com> + + * expr.c (convert_move): Use shifts to perform the move if a + suitable extend pattern cannot be found. Code written by + Richard Henderson <rth@cygnus.com>. + +Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * regclass.c (renumber, regno_allocated): New static variables, moved + out of allocate_reg_info. + (allocate_reg_info): Move these two variables outside the function. + Move code to free memory into new function free_reg_info. + (free_reg_info): New function, broken out of allocate_reg_info. + * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info. + * rtl.h (allocate_reg_info): Don't declare. + (free_reg_info): Declare. + + * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment. + +Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (compile_file): Temporarily revert last change. + +Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com> + + * c-typeck.c (convert_for_assignment): Parenthesize. + +1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * reload1.c (delete_output_reload): Avoid ambigous else. + +Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (compile_file): Call allocate_reg_info to free register + table memory. + * rtl.h (allocate_reg_info): Declare. + + * PROJECTS: Remove entry for local spilling. + + * final.c (cleanup_subreg_operands): New function. + (final_scan_insn): Use it. + (alter_subreg): Clear the "used" field when we turn a SUBREG into + a REG. + * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG + operands when reload has finished. + * reload.h (cleanup_subreg_operands): Declare.. + * flow.c (life_analysis_1): No longer delete CLOBBER insns after + reload. Handled in reload itself. + +Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (verify_initial_offsets): New function. + (reload): Call it after reload_as_needed. Also verify that the frame + size stays constant during reload_as_needed. + * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change. + + * reload.h (struct insn_chain): Add need_operand_change element. + * reload1.c (new_insn_chain): Clear it. + (calculate_needs_all_insns): Set it; don't overload need_reload. + (reload_as_needed): Use it. + + * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of + reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS + and reload_address_index_reg_class. + (find_reloads_address_1): Likewise. + * reload.h (reload_address_base_reg_class, + reload_address_index_reg_class): Don't declare. + * reload1.c (reg_old_renumber, pseudo_previous_regs, + pseudo_forbidden_regs, bad_spill_regs_global): New static variables. + (used_spill_regs): Now static. + (reload_address_base_reg_class, reload_address_index_reg_class, + regs_explicitly_used, counted_for_groups, counted_for_nongroups, + basic_block_needs, max_needs, group_size, group_mode, max_groups, + max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn, + forbidden_regs): + Deleted variables. + (init_reload): Delete code to compute base/index reg classes. + (reload): Delete variable J. + Delete code to manage basic_block_needs. + Don't compute regs_explicitly_used. + Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs, + pseudo_previous_regs. + Initialize bad_spill_regs_global. + Don't call order_regs_for_reload here. + Don't initialize spill_reg_order and n_spills. + Don't forbid explicitly used regs to be used for spill regs. + Change main loop to infinite loop, with explicit break statements. + Make SOMETHING_CHANGED variable local to that loop. + Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn, + max_groups_insn, max_nongroups_insn, group_size, group_mode. + Make sure spilled_speudos is cleared before calling spill_hard_reg or + new_spill_reg. + Don't call dump_needs. + Delete code to reset potential_reload_regs. + Delete code to terminate loop conditional on the global needs variables + showing no further needs. + (calculate_needs_all_insns): Return void. All callers changed. + Initialize somehing_needs_elimination here, not in reload. + Delete avoid_return_reg kludge. + (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void. + All callers changed. + Initialize the group_mode and group_size elements of the arg CHAIN. + Delete code to manage basic_block_needs. + Operate on elements of CHAIN instead of global variables. + Delete avoid_return_reg kludge. + (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void. + All callers changed. + Operate on elements of CHAIN instead of global variables. + Delete special SMALL_REGISTER_CLASSES code. + Delete spill_failure code; now in new_spill_reg. + (find_group): Lose GLOBAL arg, take CHAIN arg, return void. + All callers changed. + Operate on elements of CHAIN instead of global variables. + (maybe_mark_pseudo_spilled): New static function. + (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void. + All callers changed. + Operate on elements of CHAIN instead of global variables. + Call order_regs_for_reload here, not in reload. + Initialize spill_reg_order and n_spills. + Simplify test whether an asm insn is involved. + Delete spill_failure code; now in new_spill_reg. + Call maybe_mark_pseudo_spilled for everything marked as live in + CHAIN. Merge CHAIN's used_spill_regs into the global variable + used_spill_regs. + (dump_needs): Take CHAIN arg. No longer static, to prevent the + compiler from optimizing this function (now unused) away. + Operate on elements of CHAIN instead of global variables. + (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers + changed. + Operate on elements of CHAIN instead of global variables. + (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args, + take CHAIN arg. All callers changed. + Operate on elements of CHAIN instead of global variables. + (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take + CHAIN, NONGROUP args. Return void. All callers changed. + Verify caller isn't trying to spill a pseudo. + Simplify test for illegal reg, just use bad_spill_regs. + Generate better error messages. + Operate on elements of CHAIN instead of global variables. + Mark spilled register in CHAIN's used_spill_regs element. + Don't call spill_hard_reg. + (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed. + Mark spilled hard regs in bad_spill_regs_global. + Mark affected pseudos in spilled_pseudos, but don't spill them. + (ior_hard_reg_set): New static function. + (finish_spills): Return int. All callers changed. + Compute spill_reg_order, n_spills and spill_regs here. Also update + regs_ever_live for regs used as spills. + For every pseudo in spilled_pseudos, spill it and mark the previous + hard reg it had in pseudo_previous_regs. Compute which hard regs + arseudo): New static function. + (order_regs_for_reload): Take CHAIN arg. All callers changed. + Initialize bad_spill_regs from bad_spill_regs_global, then merge any + hard registers explicitly used across the current insn into the set. + Compute hard_reg_n_uses taking only pseudos live across this insn + into account. + Tweak sorting of potential_reload_regs. + (compare_spill_regs): Delete function. + (reload_as_needed): Don't sort the spill_regs array, it's computed + in proper order in finish_spills. + Delete avoid_return_reg kludge. + Delete code to manage basic_block_needs. + (allocate_reload_reg): Minor speed/readability tweaks. + Operate on elements of CHAIN instead of global variables. + (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed. + Delete avoid_return_reg kludge. + Initialize reload_reg_used from CHAIN's used_spill_regs element. + Delete unused label FAIL. + (reload_combine): Replce reload_address_index_reg_class with + INDEX_REGS. + Don't use used_spill_regs to determine information about lifetime of + hard regs. + +Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com> + + * toplev.c (display_help): Ignore empty target specific + options, and if -W is also specified on the command line then + display undocumented options. + + * config/arm/arm.c: Updated with changes in devo sources. + * config/arm/arm.h: Updated with changes in devo sources. + * config/arm/lib1funcs.asm: Updated with changes in devo sources. + * config/arm/lib1thumb.asm: Add ELF support. + +Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org> + + * collect2.c (aix64_flag): New variable. + (main, case 'b'): Parse it. + (GCC_CHECK_HDR): object magic number must match mode. + (scan_prog_file): Only check for shared object if valid header. + Print debugging if header/mode mismatch. + +Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com> + + Added support for arm-elf-linux configuration, submitted by Philip + Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf + code developed by Catherine Moore <clm@cygnus.com>. The following + files are affected: + + * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf + targets. + + * configure: Regenerated. + + * config/arm/aout.h: Add default definitions of REGISTER_PREFIX, + USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro + definitions conditional on their not having been already defined. + + * config/arm/lin1funcs.asm: Add ELF only macros to generate .size + and .type directives, and add "(PLT)" qualification to function + calls. + + * config/arm/linux.h: Deleted. This file is now superceeded by + either linux-elf.h or linux-aout.h. + + * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling. + (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel + support). + Move definitions from old linux.h file here. + + * config/arm/elf.h: New file. Generic ARM/ELF support. + + * config/arm/linux-aout.h: New file. Support for Linux with a.out. + + * config/arm/linux-elf.h: New file. Support for Linux with ELF. + + * config/arm/linux-elf26.h: New file. Support for Linux with ELF + using the 26bit APCS. + + * config/arm/unknown-elf.h: New file. Support for OS'es other + than Linux with ELF. + + * config/arm/t-arm-elf: New file. makefile fragment for arm-elf + builds. + + * config/arm/coff.h: Include aout.h for basic assembler macros. + Add support for -mstructure_size_boundary=<n> command line option. + + * config/arm/arm.h: Add support for -mstructure_size_boundary=<n> + command line option. Make macro definitions conditional on their + not having been already defined. + + * config/arm/arm.c: Add support for -mstructure_size_boundary=<n> + command line option. + + +Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com> + + * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING + has been changed to not include a newline. Use this macro instead. + (output_enumeral_list, const_value_attribute, name_attribute, + comp_dir_attribute, prototyped_attribute, producer_attribute, + inline_attribute, pure_or_virtual_attribute, output_inheritance_die, + dwarfout_file_scope_decl, generate_new_sfname_entry, + generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use + ASM_OUTPUT_DWARF_STRING_NEWLINE macro. + +Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com> + + * combine.c (subst): Process the inputs to a parallel asm_operands + only once. + +Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com> + + * stmt.c (expand_asm_operands): Accept `=' or `+' at any position. + +Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com) + + * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document. + +Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com> + + * stmt.c (expand_fixup): Set fixup->before_jump to a + NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG. + +Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (recog.o): Depend on toplev.h. + (insn-emit.o): Depend on recog.h. + (insn-peep.o): Depend on recog.h and insn-config.h. + + * combine.c (simplify_set): Remove unused variable `scratches'. + + * final.c (final_scan_insn): Wrap declaration of variables `vlen' + and `idx' in macro conditional controlling their use. + + * genemit.c (main): Make the generated output file include + recog.h. Don't have it declare `insn_operand_constraint', since + we get it from recog.h. + + * genpeep.c (main): Make the generated output file include + insn-config.h and recog.h. + + * recog.c: Include toplev.h. + (extract_insn): Remove unused variable `p'. + + * regclass.c (fix_register): Add missing braces around initializer + for `what_option'. + (allocate_reg_info): Move variable `i' into the scope where it is + used. Change its type to `size_t'. + +Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload.c (push_reload): When merging reloads, make sure + that reload_in_reg and reload_in are from the same reload in + all cases. + +Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/crtdll.h (CPP_PREDEFINES): Fix typo. + * i386/mingw32.h (CPP_PREDEFINES): Likewise. + +Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org> + + * loop.c (loop_has_tablejump): New variable. + (prescan_loop): Scan for it. + (insert_bct): Replace explicit scan with use of it. + * regclass.c (regclass): Restore loop variable j. + (record_reg_classes): Deterine op_types modifiers and initialize + classes[i] before matching constraints. Handle matching + constraints 5-9. + +Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com> + + * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete + subreg support. + +Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.h (EXTRA_SPECS): Add missing initializers. + +Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.h (EXTRA_SPECS): Add missing initializers. + (sparc_defer_case_vector): Provide a prototype. + + * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when + comparing it to the result of a pointer subtraction. + +Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast + the argument to (unsigned char). + + * alpha.h (EXTRA_SPECS): Add missing initializers. + (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the + format specifier. + +Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (life_analysis_1): Enable "rescan" code after reload. + (propagate_block): Delete dead code after reload. + + * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings + back Oct 15, 1998 change. + * haifa-sched.c (update_flow_info): Likewise. + * flow.c (life_analysis_1): Delete CLOBBER insns after reload. + + * mn10200.md (truncated shift): Accept constant inputs too. + +Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com) + + * machmode.h (mode_mask_array): No longer const. + * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined. + +Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de> + + * frame.c: Somewhat explain `FDE'. + Suggested by Brendan Kehoe + +Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com> + + * expr.c (pending_chain): Move up. + (save_expr_status): Do save pending_chain. + (restore_expr_status): And restore it. + * function.h (struct function): Add pending_chain. + +1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The + did not match the code. + +Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * regclass.c (regclass): Break out some code into new function + scan_one_insn, and into regclass_init. + (init_cost): New static variable, moved out of regclass. + (regclass_init): Initialize it here, not in . + (scan_one_insn): New static function, broken out of regclass. + * recog.c (apply_change_group): Break out some code into new + function insn_invalid_p. + (insn_invalid_p): New static fn, broken out of apply_change_group. + +Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com> + + * reload1.c (reload_as_needed): When rewrite POST_INC, verify + reg_reloaded_contents matches incremented pseudo. + + * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support. + +Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for + addressing modes with side effects. These are currently + placeholders for the C4x target. + +Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * loop.c (express_from): Make sure that when generating a PLUS of + a PLUS, any constant expression appears on the outermost PLUS. + +Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com) + + * Makefile.in (distdir-cvs, distdir-start): Clean up so it + works if "$(srcdir)" != ".". + +Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com> + + * expmed.c (store_bit_field): If need to add a SUBREG, then remove + existing SUBREG if we can, otherwise abort. + +Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com> + + * c-common.c (c_apply_type_quals_to_decl): Don't crash when + `restrict' is applied to a non-pointer variable. + +Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com> + + * invoke.texi: Document -flang-isoc9x. + + * Makefile.in (OBJS): Add splay-tree.o. + (c-common.o): Depend on rtl.h. + (splay-tree.o): List dependencies and provide build rule. + + * rtl.h (record_alias_subset): New function. + * alias.c: Include splay-tree.h. + (alias_set_entry): New type. + (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove. + (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p. + (mems_in_disjoin_alias_sets_p): New function. + (alias_set_compare): Likewise. + (insert_subset_children): Likewise. + (get_alias_set_entry): Likewise. + + * tree.h (TYPE_RESTRICT): New macro. + (TYPE_UNQUALIFIED): New manifest constant. + (TYPE_QUAL_CONST): Likewise + (TYPE_QUAL_VOLATILE): Likewise. + (TYPE_QUAL_RESTRICT): Likewise. + (tree_type): Add restrict_flag. Reduce count of free bits. + (DECL_POINTER_ALIAS_SET): New macro. + (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise. + (tree_decl): Add pointer_alias_set. + (build_qualified_type): New function. + (build_type_variant): Define in terms of build_qualified_type. + * tree.c (set_type_quals): New function. + (make_node): Initializae DECL_POINTER_ALIAS_SET. + (build_type_attribute_variant): Use build_qualified_type and + set_type_quals. + (build_type_variant): Rename, and modify, to become... + (build_qualified_type): New function. + (build_complex_type): Use set_type_quals. + + * c-tree.h (C_TYPE_OBJECT_P): New macro. + (C_TYPE_FUNCTION_P): Likewise. + (C_TYPE_INCOMPLETE_P): Likewise. + (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise. + (c_apply_type_quals_to_decl): New function. + (c_build_qualified_type): New function. + (c_build_type_variant): Define in terms of c_build_qualified_type. + (flag_isoc9x): Declare. + * c-typeck.c (qualify_type): Use c_build_qualified_type. + (common_type): Change to use TYPE_QUALS. + (comptypes): Likewise. + (convert_for_assignment): Likewise. + * c-aux-info.c (gen_type): Likewise. Deal with `restrict'. + * c-decl.c (flag_isoc9x): Define. + (c_decode_option): Handle -flang-isoc9x. + (grokdeclarator): Update to handle restrict. Use TYPE_QUALS, + c_build_qualified_type, etc. Use c_apply_type_quals_to_decl. + * c-lex.c (init_lex): Deal with restrict. + (init_lex): Don't treat restrict as a reserved word in + -traditional mode, or without -flang-isoc9x. + * c-lex.h (rid): Add RID_RESTRICT. + * c-parse.gperf (restrict, __restrict, __restrict__): Make + equivalent to RID_RESTRICT. + * c-parse.in (TYPE_QUAL): Update comment. + * c-common.c: Include rtl.h. + (c_find_base_decl): New function. + (c_build_type_variant): Rename, and modify, to become ... + (c_build_qualified_type): New function. + (c_apply_type_quals_to_decl): Likewise. + (c_get_alias_set): For INDIRECT_REFs, check to see if we can find + a particular alias set for the reference. + * toplev.c (documented_lang_options): Add -flang-isoc9x. + +Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.h (TARGET_SWITCHES): Document arm specific + command line switches. + +Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk> + + * reload.c (loc_mentioned_in_p): Add missing braces to bind + else to correct if. + +Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com> + + * gcc.c (option_map): Added --classpath and --CLASSPATH. + +Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com> + + * regclass.c (fix_register): Add error message. + * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the + new error message. + +Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (warn_missing_noreturn): New global variable. + (c_decode_option): Check for new flags -W{no-}missing-noreturn. + (finish_function): Implement missing noreturn warning. + + * c-tree.h (warn_missing_noreturn): Declare extern. + + * invoke.texi: Document new flags. + + * toplev.c (documented_lang_options): Add description. + +Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT + loop optimization stable for the C4x. + (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop, + c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get, + c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT + loop optimization). + (c4x_address_conflict): Be more paranoid when packing a volatile + memref in a parallel load/store. + +Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (repeat_block_top, repeat_block_end, + repeat_block_filler): Deleted. + (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber): + Condition code not set if destination register from 'c' class. + (*subbqi3_carry_clobber): Fix typo. + +1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * reorg.c (steal_delay_list_from_target) Check for insns that + modify the condition codes and effect the direction of the jump + in the sequence. + +Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk> + + * function.c (purge_addressof_1): Replace call to + emit_insns_before() with emit_insn_before(). + +Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com> + + * libgcc2.c (__pure_virtual): Call __terminate instead of _exit. + +Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * jump.c (sets_cc0_p): Compile only if HAVE_cc0. + +Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com) + + * gcse.c (compute_hash_table): Correctly identify hard regs which are + clobbered across calls. + + * loop.c (scan_loop): Be more selective about what invariants are + moved out of a loop. + +Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com) + + * libgcc2.c (eh_context_static): Do not call malloc to allocate the + static eh_context structure. + +Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All + callers changed. + (try_combine): Don't update max_scratch. + * flow.c (max_scratch, num_scratch): Delete variables. + (life_analysis_1): Don't initialize max_scratch. + (propagate_block): Don't update max_scratch. + (mark_set_1): Don't increment num_scratch. + * regs.h (max_scratch): Delete declaration. + +Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV + is nonzero. This is temporary! + + * sched.c (update_flow_info): Handle death notes made invalid by + instruction splitting. Partially reverts Oct 15, 1998 patch. + * haifa-sched.c (update_flow_info): Likewise. + +Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com) + + * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL + if it has a nonzero DECL_INITIAL. + +Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (flow.o): Depend on recog.h. + + * cpplib.h (directive_table): Add missing initializiers. + (finclude): Change type of variable `bsize' to size_t. + + * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED. + + * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE. + + * fix-header.c (lookup_std_proto): Cast the result of `strlen' to + `int' when comparing against one. + (cpp_file_line_for_message): Mark parameter `pfile' with + ATTRIBUTE_UNUSED. + (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED. + + * flow.c: Include recog.h. + (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR). + + * function.c (thread_prologue_and_epilogue_insns): Mark parameter + `f' with ATTRIBUTE_UNUSED. + (reposition_prologue_and_epilogue_notes): Likewise. + + * genopinit.c (gen_insn): Cast argument of ctype functions to + `unsigned char'. + + * haifa-sched.c: Include recog.h. + (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when + comparing against one. + + * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now. + + * mips-tfile.c (parse_end): Cast the argument of ctype function to + `unsigned char'. + (parse_ent): Likewise. + (parse_input): Likewise. + + * optabs.c (init_libfuncs): Likewise. + + * protoize.c (find_rightmost_formals_list): Likewise. + + * recog.h (const_double_operand): Fix typo in prototype. + + * tlink.c (scan_linker_output): Cast the argument of ctype + function to `unsigned char'. + + * toplev.c (check_lang_option): Cast the result of `strlen' to + `int' when comparing against one. + +Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk> + + * gcse.c (dump_cuid_table): Correct typo. + +Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com> + + * toplev.c (display_help): Prepend '-m' to target specific + options. + (check_lang_option): Ignore text after end of first word of a + language specific option. + +Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (reg_used_by_pseudo): New static variable. + (choose_reload_regs): Initialize it. + Use it instead of testing spill_reg_order to determine whether a + pseudo is live in a hard register across the current insn. + Fix a typo in a reference to reload_reg_rtx. + + * flow.c (propagate_block): Replace code that computes and uses + regs_sometimes_live with simpler code that just walks the set of + currently live registers. + + * Makefile.in (insn-extract.o): Fix dependencies. + * genextract.c (main): Generate includes for insn-config.h and + recog.h. + Delete generation of declarations which are now in recog.h. + * genrecog.c (main): Delete generation of definitions which are + now in recog.c. + * local-alloc.c (block_alloc): Use extract_insn and the variables + it sets up instead of looking up values by insn_code. + * recog.c (recog_operand, recog_operand_loc, recog_dup_loc, + recog_dup_num): Define here instead of generating the definition in + genrecog.c. + (recog_n_operands, recog_n_dups, recog_n_alternatives, + recog_operand_mode, recog_constraints, recog_operand_address_p): + New variables. + (extract_insn): New function. + * recog.h (extract_insn): Declare function. + (which_alternative, recog_n_operands, recog_n_dups, + recog_n_alternatives, recog_operand_mode, recog_constraints, + recog_operand_address_p): Declare variables. + * regclass.c (n_occurrences): New static function. + * reload.c (n_occurrences): Delete function. + (find_reloads): Use extract_insn. + * reload.h (n_occurrences): Delete declaration. + +Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_as_needed): Fix test for when to call + update_eliminable_offsets. + +Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + Fix consistency problems with reg_equiv_{mem,address}; + Improve reload inheritance; + + * reload.c (reload_out_reg): New variable. + (loc_mentioned_in_p, remove_address_replacements): New functions. + (remove_replacements): Deleted. + (push_reload): Set reload_out_reg[i]. + When merging, also set reload_{in,out}_reg[i], and remove + duplicate address reloads. + (combine_reloads): Copy reload_out_reg[i]. + (find_reloads): Do make_memloc substitution also when + reg_equiv_memory_loc[regno] and num_not_at_initial_offset + are both nonzero. + Include *recog_operand_loc in commutativity operand changes. + Generate optional output reloads. + Delete reference to n_memlocs. Don't set *recog_operand_loc before + processing operands. Call make_memloc in reg_equiv_address code. + Set *recog_operand_loc only after processing operands, and only + if replace is true. Return a value. + When changing address reload types for operands that didn't get + reloaded, use RELOAD_FOR_OPADDR_ADDRESS for + RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads. + Don't emit USEs for pseudo SUBREGs when not replacing. + (find_reloads_address): Do make_memloc substitution also when + reg_equiv_memory_loc[regno] and num_not_at_initial_offset + are both nonzero. + (find_reloads_toplev): Likewise. + Call make_memloc in reg_equiv_address code. + (debug_reload_to_stream): Add code to output reload_out_reg. + (make_memloc): Delete local variable i, ifdefed out code, and + references to memlocs and n_memlocs. + (memlocs, n_memlocs): Delete. + (push_secondary_reload): Clear reload_out_reg. + (find_reloads_address_1): Provide memrefloc argument to all calls + to find_reloads_address. + In AUTO_INC code, handle non-directly addressable equivalences properly. + * reload.h (reload_out_reg, num_not_at_initial_offset): Declare. + (find_reloads): Add return type. + (remove_address_replacements, deallocate_reload_reg): Declare. + * reload1.c (num_not_at_initial_offset): No longer static. + (delete_address_reloads, delete_address_reloads_1): Likewise. + (deallocate_reload_reg): New function. + (spill_reg_stored_to): New array. + (eliminate_regs): Don't substitute from reg_equiv_memory_loc. + (eliminate_regs_in_insn): Move assignments of previous_offset and + max_offset fields, and recalculation of num_not_at_initial_offset + into new static function: + (update_eliminable_offsets) . + (reload_as_needed): Call update_eliminable_offsetss after calling + find_reloads. + Call forget_old_reloads_1 with contents of reloaded auto_inc + expressions if the actual addressing can't be changed to match the + auto_inc. + (choose_reload_regs): For inheritance, replace + reload_reg_free_before_p test with reload_reg_used_at_all test, and + remove stand-alone reload_reg_used_at_all test. + Use reload_out_reg to determine which reload regs have output reloads. + Treat reload_override_in more similar to inherited reloads. + Handle (subreg (reg... for inheritance. + For flag_expensive_optimizations, add an extra pass to remove + unnecessary reloads from known working inheritance. + Delete obsolete code for pseudos replaced with MEMs. + Handle inheritance from auto_inc expressions. + (emit_reload_insns): If reload_in is a MEM, set OLD to + reload_in_reg[j]. + Don't reload directly from oldequiv; if it's a pseudo with a + stack slot, use reload_in[j]. + Check that reload_in_reg[j] is a MEM before replacing reload_in + from reg_reloaded_contents. + Include non-spill registers in reload inheritance processing. + Also try to use reload_out_reg to set spill_reg_store / + reg_last_reload_reg. + In code to set new_spill_reg_store, use single_set to find out if + there is a single set. + Add code that allows to delete optional output reloads. + Add code to allow deletion of output reloads that use no spill reg. + At the end, set reload_override_in to oldequiv. + Also call delete_output_reload if reload_out_reg is equal to old + in oldequiv code. + Add code to call delete_output_reload for stores with no matching load. + Set / use spill_reg_stored_to. + Handle case where secondary output reload uses a temporary, but + actual store isn't found. + When looking for a store of a value not loaded in order to call + delete_output_reload, count_occurences should return 0 for no + loads; but discount inherited input reloadill_reg_stored_to. + Do checks for extra uses of REG. Changed all + callers. + Use delete_address_reloads. + (reload): Take return value of find_reloads into account. + If a no-op set needs more than one reload, delete it. + (reload_reg_free_before_p): RELOAD_FOR_INPUT + can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS + for the same operand. + (clear_reload_reg_in_use): Check for other reloads that keep a + register in use. + (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS / + RELOAD_FOR_OPADDR_ADDR. + Take into account when an address address reload is only needed + for the address reload we are considering. + (count_occurrences): Use rtx_equal_p for MEMs. + (inc_for_reload): Return instruction that stores into RELOADREG. + New argument two, IN, and rtx. Changed all callers. + (calculate_needs_all_insns, reload_as_needed): + Don't clear after_call for a CLOBBER. + Keep track of how many hard registers need to be copied from + after_call, and don't clear after_call before we have seen + that much copies, or we see a different instruction. + +Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (find_basic_blocks_1): Do not delete unreachable blocks + after reload has completed. + +Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com> + + * cpplib.c (cpp_get_token): Replace whitespace that occurs between + a macro name and the next token with a single blank if that whitespace + is in a macro buffer and the next token is not '('. + +Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com> + + * cccp.c (rescan): Handle multibyte chartacters ending in backslash. + (rescan): Ditto. + (skip_if_group): Ditto. + (skip_to_end_of_comment): Ditto. + (macarg1): Ditto. + (discard_comments): Ditto. + (change_newlines): Ditto. + +Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com> + + * c-lex.c (yylex): Fix unaligned access of wchar_t. + +Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation. + (TARGET_OPTIONS): Add --help documentation. + +Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change. + +Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com> + + * fixinc/* Moved in from ../contrib directory in preparation + for integrating it into the normal build process. In particular, + fixinc/Makefile.in must be config-ed into the build directory + as fixinc/Makefile. Proposed patches to ./Makefile.in and + ./configure.in will be "in the mail" momentarily. + +Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com> + + * cse.c (cse_basic_block): Fixup hash flushing loop so we do not + accidently walk into the free list. Comment how that can happen. + (invalidate): Fix indentation. + +Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + Jeffrey A Law (law@cygnus.com) + + * flow.c (life_analysis_1): Do not clobber regs_ever_live after + reload. Never perform rescans of the insn chain after reload. + (propagate_block): Do not delete insn or create new autoinc addressing + modes after reload. + + * jump.c (jump_optimize): Unconditionally use the code that was + previously conditional on PRESERVE_DEATH_INFO_REGNO_P. + * reload1.c (reload): When reloading is finished, delete all + REG_DEAD and REG_UNUSED notes. + (emit_reload_insns): Delete all code that was conditional on + PRESERVE_DEATH_INFO_REGNO_P. + (no_longer_dead_regs): Delete variable. + (reload_cse_delete_death_notes): Delete function. + (reload_cse_no_longer_dead): Delete function. + (reload_cse_regs_1): Delete all code to handle deletion of death + notes. + (reload_cse_noop_set_p): Likewise. + (reload_cse_simplify_set): Likewise. + (reload_cse_simplify_operands): Likewise. + (reload_cse_move2add): Likewise. + * reorg.c (used_spill_regs): Delete declaration. + (max_label_num_after_reload): Delete declaration. + (find_dead_or_set_registers): Don't assume that spill regs are + dead at a CODE_LABEL. + * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate, + even after reload. + * sched.c (sched_analyze_insn): Likewise. + (update_flow_info): Likewise. + * haifa-sched.c (sched_analyze_insn): Likewise. + (update_flow_info): Likewise. + * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation. + * toplev.c (max_label_num_after_reload): Delete variable. + (rest_of_compilation): Don't set max_label_num_after_reload. + Call life_analysis after reload_cse_regs if optimizing. + * config/gmicro/gmicro.h: Delete comment referring to + PRESERVE_DEATH_INFO_REGNO_P. + * config/i386/i386.h: Likewise. + * config/m88k/m88k.h: Likewise. + * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition. + * config/sh/sh.h: Likewise. + +Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org> + + * loop.c (strength_reduce): Restore marking bct_p as + ATTRIBUTE_UNUSED. + * rs6000.c (optimization_options): Change #ifdef HAIFA to + HAVE_decrement_and_branch_on_count. + (small_data_operand): Remove TARGET_ELF condition for marking + parameters ATTRIBUTE_UNUSED. + +Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com> + + * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define. + (SELECT_SECTION): Resync with svr4.h. + +Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org> + + * loop.c (strength_reduce): Undo Oct 14 change marking bct_p + ATTRIBUTE_UNUSED. + +Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com> + + * c-pragma.c (handle_pragma_token): Test for null tree before + dereferencing TREE_CODE. + +Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c: Convert to use GEN_INT. + (c4x_parallel_process): Rework to handle new repeat loop structure. + + * config/c4x/c4x.md: Convert to use GEN_INT. + (rptb_end): Convert to use GE test. Replace uses with clobbers. + (decrement_and_branch_on_count): Likewise. + + * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that + loop.c has the desired functionality. + (rc_reg_operand): New prototype. + + * config/c4x/t-c4x: Can now build all front ends. + +Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com) + + * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS. + +Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com) + + * Makefile.in (stmp-fixinc): Do not install assert.h if not desired. + * config/t-rtems: Do not install assert.h -- use newlib's. + +Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * combine.c (combine_instructions): When finished, call init_recog. + * regmove.c (optimize_reg_copy_3): Reject volatile MEMs. + +Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com> + + * toplev.c: If flag_syntax_only, don't open or write assembler file. + +Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppalloc.c (memory_full): Mark function prototype with + ATTRIBUTE_NORETURN. + + * demangle.h (collect_exit): Likewise. + + * fix-header.c (v_fatal, fatal): Likewise. + + * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort): + Likewise. + + * gcov.c (print_usage): Likewise. + + * genattr.c (fatal, fancy_abort): Likewise. + + * genattrtab.c (fatal, fancy_abort): Likewise. + + * gencodes.c (fatal, fancy_abort): Likewise. + + * genconfig.c (fatal, fancy_abort): Likewise. + + * genemit.c (fatal, fancy_abort): Likewise. + + * genextract.c (fatal, fancy_abort): Likewise. + + * genflags.c (fatal, fancy_abort): Likewise. + + * genopinit.c (fatal, fancy_abort): Likewise. + + * genoutput.c (fatal, fancy_abort): Likewise. + + * genpeep.c (fatal, fancy_abort): Likewise. + + * genrecog.c (fatal, fancy_abort): Likewise. + + * libgcc2.c (__eprintf, __default_terminate, __sjthrow, + __sjpopnthrow, __throw): Likewise. + + * objc/objc-act.c (objc_fatal): Likewise. + + * protoize.c (usage, aux_info_corrupted, + declare_source_confusing): Likewise. + + * rtl.c (dump_and_abort): Likewise. + + * rtl.h (sets_cc0_p): Likewise. + + * toplev.c (float_signal, pipe_closed): Likewise. + +1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges + when generating the decision tree for the general case. + + * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes + wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs. + +Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (sched.o): Depend on recog.h. + + * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to + (unsigned) when comparing against one. + (find_base_value): Likewise. + (record_base_value): Cast variable `regno' to (unsigned) when + comparing against one. Cast the result of REGNO() macro to + (unsigned) when comparing against one. + (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to + unsigned. + (init_alias_analysis): Add unsigned variable `ui'. Use it as loop + variable where an unsigned index is needed. + + * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code) + before comparing against one. + + * collect2.c: Add prototypes for functions `error', `fatal' and + `fatal_perror'. Make these functions take variable arguments + instead of faking it with a fixed number of args. + (write_c_file_stat): Cast the argument of ctype macro to (unsigned + char). + + * combine.c (can_combine_p): Mark parameter `pred' with + ATTRIBUTE_UNUSED. + (find_split_point): Cast variable `src' to (unsigned + HOST_WIDE_INT) when comparing against one. + (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift. + (simplify_logical): Likewise. + (force_to_mode): Cast result of INTVAL() macro to (unsigned + HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned + HOST_WIDE_INT) in shift. + (simplify_and_const_int): Cast result of INTVAL() macro to + `unsigned HOST_WIDE_INT' when comparing against one. + (merge_outer_ops): Cast variable const0 to `unsigned + HOST_WIDE_INT' when comparing against the result of + GET_MODE_MASK() macro. + (simplify_comparison): Likewise for variable `c0'. Cast variable + `const_op' to `unsigned HOST_WIDE_INT' when comparing against + one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the + result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing + against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast + result of INTVAL() macro to `unsigned HOST_WIDE_INT' when + comparing against one. + (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'. + + config/mips/mips.c (gen_int_relational): Cast result of INTVAL() + macro to `unsigned HOST_WIDE_INT' when comparing against one. + (output_block_move): Cast `sizeof' expression to (int) when + comparing against one. + (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing + against one. + (save_restore_insns): Cast `base_offset' to `long' to match format + specifier in fprintf. + + * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro + to `enum machine_mode'. + + * flow.c (life_analysis_1): Remove unused variable `insn'. + + * gcc.c (translate_options): Move variables `j' and `k' into the + scope in which they are used. Change their types to `size_t'. + (set_spec): Cast the argument of ctype macro to `unsigned char'. + (read_specs): Likewise. + (process_command): Cast `sizeof' to (int) when comparing against one. + (do_spec_1): Cast the argument of ctype macro to `unsigned char'. + (handle_braces): Cast both sides of `==' expression to `long' to + ensure sign matching. + (main): Cast variable `i' to `int' when comparing against one. + + * gcov-io.h (__fetch_long): Change type of parameter `bytes' from + int to size_t. Cast variable `i' to size_t when comparing against + one. + + * genattrtab.c (convert_set_attr_alternative): Remove unused + parameter `insn_code'. All callers changed. + (convert_set_attr): Likewise. + + * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to + size_t when comparing against one. Likewise for variable `len'. + + * global.c (global_alloc): Cast variable `max_regno' to size_t + when comparing against one. Likewise for variable `max_allocno'. + + * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED. + + * local-alloc.c (validate_equiv_mem_from_store): Mark parameter + `set' with ATTRIBUTE_UNUSED. + (find_free_reg): Cast `sizeof' expression to (int) when comparing + against one. + + * loop.c (count_loop_regs_set): Remove unused variable `dest'. + (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED. + (get_condition): Cast variable `const_val' to `unsigned + HOST_WIDE_INT' when comparing against one. Cast unsigned + expression to HOST_WIDE_INT when comparing against one. + (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED. + (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to + `unsigned' when comparing against one. + + * protoize.c (is_id_char): Change type of parameter `ch' to + unsigned char. + (munge_compile_params): Cast argument of ctype macro to (const + unsigned char). + (process_aux_info_file): Cast variable `aux_info_size' to int when + comparing against one. + (forward_to_next_token_char): Cast argument of ctype macro to + `const unsigned char'. + (edit_formals_lists): Likewise. + (find_rightmost_formals_list): Likewise. + (add_local_decl): Likewise. + (add_global_decls): Likewise. + (edit_fn_definition): Likewise. + (do_cleaning): Likewise. + (scan_for_missed_items): Likewise. + (edit_file): Cast variable `orig_size' to (int) when comparing + against one. + (main): Cast argument of ctype macro to `const unsigned char'. + + * recog.c (const_int_operand): Mark parameter `mode' with + ATTRIBUTE_UNUSED. + + * regclass.c (record_reg_classes): Change type of variable `c' to + `unsigned char'. Cast `char' array index to `unsigned char'. + + * reload.c (push_secondary_reload): Cast argument to + REG_CLASS_FROM_LETTER() macro to `unsigned char'. + + * reload1.c (calculate_needs): Cast `char' array index to + `unsigned char'. + (set_label_offsets): Change type of variable `i' to unsigned int. + Cast result of XVECLEN() macro to unsigned when comparing against + one. + (mark_not_eliminable): Change type of variable `i' to unsigned. + (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned + when comparing against one. + (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when + comparing against one. + (choose_reload_regs): Hide unused label `fail'. + (reload_cse_simplify_operands): Cast `char' array index to + `unsigned char'. + (reload_combine_note_store): Mark parameter `set' with + ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing + against one. + (reload_cse_move2add): Remove unused variable `src2'. + + * sched.c: Include recog.h. + (sched_note_set): Remove unused parameter `b'. All callers + changed. + (split_hard_reg_notes): Likewise for parameter `orig_insn'. + (blockage_range): Cast result of UNIT_BLOCKED() macro to (int) + when comparing against one. + + * stupid.c (stupid_find_reg): Mark parameter `changes_size' with + ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when + comparing against one. + + * unroll.c (precondition_loop_p): Remove unused parameter + `loop_end'. All callers changed. + +Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (maybe_fix_stack_asms): New static function. + (reload): Call it. + + * reload.h (compute_use_by_pseudos): Declare. + + * reload1.c (spilled_pseudos, insns_need_reload): New variables. + (something_needs_reloads): Delete variable. + (finish_spills): New function. + (compute_use_by_pseudos): New function. + + (delete_caller_save_insns): Lose argument FIRST. All callers changed. + Use the reload_insn_chain instead of walking the rtl directly. + + (reload): Allocate and free spilled_pseudos. + Ensure that all calls of spill_hard_reg are followed by a call to + finish_spills. + Use the insns_need_reload list instead of something_needs_reloads + to find out if reload_as_needed must be called. + Clear unused_insn_chains at the end. + + (calculate_needs_all_insns): Lose FIRST parameter. All callers + changed. + Delete code to keep track of current basic block. + Walk reload_insn_chain instead of the rtl structure. Build the + insns_need_reload chain. + Remember which insns need reloading/elimination by setting the + appropriate fields in struct insn_chain, not by putting modes on the + insn. + + (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of + arg INSN. All callers changed. + Delete declaration of struct needs. + Don't set something_needs_reloads. + Record insn needs in the CHAIN argument. + + (spill_hard_reg): Record the affected pseudos in spilled_pseudos. + + (reload_as_needed): Lose FIRST arg. All callers changed. + Walk the reload_insn_chain instead of the rtx structure. + Delete code to keep track of current basic block. + Rename one of the NEXT variables to OLD_NEXT. + + (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All + callers changed. + (choose_reload_regs): Likewise. + + (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All + callers changed. + + * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout + instead of (MOVE_MAX / UNITS_PER_WORD) computation. + (hard_regs_live, hard_regs_need_restore): Delete variables. + (n_regs_saved): Now static. + (referenced_regs, this_insn_sets): New variables. + + (setup_save_areas): Restructure the code a bit. + + (restore_referenced_regs): Delete function. + (mark_referenced_regs): New function, similar to the old + restore_referenced_regs, but mark registers in referenced_regs. + + (clear_reg_live): Delete function. + (mark_set_regs): Renamed from set_reg_live. All callers changed. + Only mark registers in this_insn_sets. + + (save_call_clobbered_regs): Rework this function to walk the + reload_insn_chain instead of using the list of instructions directly. + Delete code to keep track of register lives, compute live regs on the + fly from information in the chain. + Instead of calling restore_referenced_regs, use mark_referenced_regs, + then walk the set it computes and call insert_restore as appropriate. + + (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All + callers changed. + Restructure the code a bit. Test hard_regs_saved instead of + hard_regs_need_restore. + (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE + args. All callers changed. + Restructure the code a bit. Use TO_SAVE to determine which regs to + save instead of more complicated test. + (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All + callers changed. + Create a new insn_chain structure for the new insn and place it + into the chain. + + * rtl.texi: Update documentation to reflect that reload no longer + puts modes on the insns. + +1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * function.c (purge_addressof_1): Force the first argument of a + CALL insn to memory. + +Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com) + + * rtl.h: Delete duplicate prototypes. Add some missing + prototypes. + * rtlanal.c: (for_each_rtx): Formatting tweak. + +1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * real.c (emdnorm and etoasc): Disable round to even for c4x target + to be compatible with TI compiler. + + * Makefile.in (USER_H): Add va-c4x.h to definition. + +Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com> + + * function.c (purge_addressof_1): Fix typo in inequality: do + bitfield optimization for equal mode sizes. + * expmed.c (store_bit_field): Don't take subregs of subregs in + the movstrict case. Tidy a potential problem in the multi-word case. + (extract_bit_field): Likewise. + +Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * flow.c (find_basic_blocks): Emit NOPs after normal calls in this + function. + Compute max_uid_for_flow by calling get_max_uid after the scan. + (find_basic_blocks_1): Don't emit NOPs here. + +Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com> + + * alias.c (base_alias_check): Accept new args for the modes of the + two references. Use them to determine if an AND can overlap. Update + all callers. + (memrefs_conflict_p): Assume sizes are aligned, and uses them + to determine if an AND can overlap. + +Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com> + + * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16 + check. Add comment to document problems with TARGET_SUN_FPA version + of this macro. + * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves. + +Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (gencheck.o): Depend on gansidecl.h. + + * c-common.c (print_char_table): Add missing initializers. + (scan_char_table): Likewise. + (time_char_table): Likewise. + + * c-decl.c (c_decode_option): Mark parameter `argc' with + ATTRIBUTE_UNUSED. + (declare_parm_level): Mark parameter `definition_flag' with + ATTRIBUTE_UNUSED. + + * c-lex.c (readescape): Use `(unsigned)1' in shift. + (yylex): Likewise. Cast `sizeof' to an (int) when comparing + against one. + + * calls.c (store_one_arg): Remove unused parameter `fndecl'. All + callers changed. + (emit_call_1): Mark parameters `fndecl' and `funtype' with + ATTRIBUTE_UNUSED. + (expand_call): Cast result of MIN() to (unsigned int) when + comparing against an unsigned value. + + * cccp.c (pcfinclude): Remove unused parameter `limit'. All + callers changed. + (make_definition): Remove unused parameter `op'. All callers + changed. + (create_definition): Cast REST_EXTENSION_LENGTH to (long) when + comparing against the result of pointer arithmetic. + + * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned) + when comparing against one. + + * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and + HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against + one. + (output_die): Move variable `i' into the scope in which it is + used. Change its type to `unsigned'. + (output_die): Cast the result of `strlen' to (int) when passing it + to ASM_OUTPUT_ASCII(). + (output_pubnames): Likewise. + (output_line_info): Likewise. + + * emit-rtl.c (global_rtl): Add missing initializers. + + * explow.c (promote_mode): Mark parameter `for_call' with + ATTRIBUTE_UNUSED. + + * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to + `unsigned HOST_WIDE_INT' when comparing against one. + (synth_mult): Change type of variable `cost' to int. + (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift. + + * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned) + when comparing against one. + (get_inner_reference): Change variable `alignment' to unsigned. + (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned + int) when comparing against one. + (expand_builtin_setjmp): Change type of variable `i' to size_t. + + * fold-const.c (div_and_round_double): Cast BASE to + (HOST_WIDE_INT) when comparing against one. + + * gencheck.c: Include gansidecl.h. + (main): Mark parameter `argv' with ATTRIBUTE_UNUSED. + + * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and + `tcode' with ATTRIBUTE_UNUSED. + + * real.c (edivm): Cast constant value to (unsigned long) in + expression compared against an unsigned value. + + * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when + comparing against one. + (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int) + when comparing against one. + + * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to + (unsigned int) when comparing against one. Likewise for + GET_MODE_BITSIZE. + (smallest_mode_for_size): Likewise. + (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED. + (restore_storage_status): Likewise. + + * toplev.c (debug_args): Add missing initializer. + (f_options): Spelling correction. Add missing initializers. + (documented_lang_options): Likewise. + (debug_end_source_file): Mark parameter `lineno' with + ATTRIBUTE_UNUSED. + + * tree.c (valid_machine_attribute): Mark parameters `attr_args', + `decl' and `type' with ATTRIBUTE_UNUSED. + + * varasm.c (decode_reg_name): Cast `sizeof' expression to (int) + when comparing against one. + (assemble_variable): Mark parameter `top_level' with + ATTRIBUTE_UNUSED. + (assemble_external_libcall): Mark parameter `fun' with + ATTRIBUTE_UNUSED. + (output_constant_pool): Mark parameters `fnname' and `fndecl' with + ATTRIBUTE_UNUSED. + +Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com> + + * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration. + Replace use of r5 with use of r19. + + * config/v850/v850.h (LINK_POINTER_REGNUM): Define. + + * config/v850/v850.c (compute_register_save_size): Allow for the + fact that helper functions save all registers, not just those used + by the function. + + Replace constant 31 with macro LINK_POINTER_REGNUM. + + * config/v850/v850.md: Use 'indirect_operand' rather than + 'memory_operand' for bit test/set/clear patterns. + +Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com> + + * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL. + * varasm.c (assemble_start_function et al): Don't call + ASM_GLOBALIZE_LABEL for weak symbols. + +Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com> + + * cse.c (equiv_constant): Check for NULL return from + gen_lowpart_if_possible(). + +Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com) + + * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands. + + * collect2.c (main): Pass -EL/-EB through to the compiler. + +1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * expr.c (push_block): Handle targets where the stack grows + to higher addresses, but args grow to lower addresses and + ACCUMULATE_OUTGOING_ARGS is not defined. + +Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com> + + * config/v850/v850.c (print_operand): Extend meaning + of 'c' operands to support .vtinherit. + +Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c: Convert to gen_rtx_FOO. + Added ATTRIBUTE_UNUSED to unused function arguments. + (rc_reg_operand): New predicate. + (c4x_rptb_insert): New function. + (c4x_rptb_nop_p): Recognize modified rptb_top pattern. + (c4x_optimization_options): New function. + + * config/c4x/c4x.md: Convert to gen_rtx_FOO. + (decrement_and_branch_on_count): New pattern. + (rptb_top): Modified pattern to work with BCT optimization. + + * config/c4x/c4x.h (RC_REG): New register class. + (rc_reg_operand): Define prototype. + (IS_RC_REG): New macro. + (IS_RC_OR_PSEUDO_REG): New macro. + (IS_RC_OR_PSEUDO_REGNO): New macro. + (OPTIMIZATION_OPTIONS): Define. + +Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com> + + * collect2.c (extract_init_priority): No priority is 65535. + +Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * Makefile.in (build_tooldir): new variable, same as old + $(tooldir), but without depending on $(libdir)/$(unlibsubdir) + (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/ + (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto + + * configure.in (gxx_include_dir): set default based on unlibsubdir + * Makefile.in (tooldir): ditto + (cccp.o, cpplib.o): use unlibsubdir implicitly through + gxx_include_dir, includedir and tooldir + (protoize.o, unprotoize.o): ditto + +Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.md: Replace (reg 24) with (reg:CC 24). + + * config/arm/thumb.c (thumb_override_options): Add warning about + PIC code not being supported just yet. + +Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com) + + * flow.c: Update comment. + (notice_stack_pointer_modification): New static function. + (record_volatile_insns): Use it. + (mark_regs_live_at_end): Mark the stack pointer as alive + at the end of the function if current_function_sp_is_unchanging + is set. + (life_analysis_1): Set current_function_sp_is_unchanging. + * function.c: Define it. + (init_function_start): Initialize it. + * output.h: Declare it. + * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark + the stack pointer as alive at the end of the function if + current_function_sp_is_unchanging is set. + * i386.c (ix86_epilogue): Optimize the restoring + of the stack pointer. + +Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com> + + * c-pragma.c (handle_pragma_token): If passed a token instead + of a tree, use that as the pack value. + +Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com> + + * flow.c (find_basic_blocks_1): Fix prototype. + +Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com> + + * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros. + (struct tree_decl): New fields no_check_memory_usage. + * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE. + (init_attributes): Register it as a new attribute. + (decl_attributes): Set flags on functions given that attribute. + * c-decl.c (duplicate_decls): Merge new attribute. + * expr.h (current_function_check_memory_usage): Declare new var. + * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c, + pa.c, sparc.c: Replace uses of flag_check_memory_usage with + current_function_check_memory_usage. + * function.h: Add field to struct function. + * function.c (current_function_check_memory_usage): Define it. + (push_function_context_to, pop_function_context_from): Save and + restore it. + (expand_function_start): Set it, based on global flag and function + attribute. + + * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do + check non-automatic variables, to permit detection of writes to + read-only locations in embedded systems without memory management. + * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument + when emitting chkr_set_right_libfunc call, even if the argument is + BLKmode or variable-sized; don't abort. + + * optabs.c (init_optabs): Create Checker and __cyg_profile_* + symbols in Pmode, not VOIDmode. + +Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cppexp.c: When forcing unsigned comparisons, cast both sides + of the operation. + + * cpphash.h: Move static declaration of hashtab[]... + * cpphash.c: ...here. + + * cpplib.c: Cast difference of two pointers to size_t before + comparing it to size_t. Cast signed to unsigned + before comparing to size_t. (FIXME: struct argdata should use + unsigned buffer sizes.) + * cpplib.h (struct cpp_reader): Declare token_buffer_size as + unsigned int. (CPP_WRITTEN): Cast return value to size_t. + (CPP_RESERVE): Parenthesize N for evaluation order, cast to + size_t before comparison. + +Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (find_basic_blocks): Delete "live_reachable_p" argument. + (find_basic_blocks_1): Similarly. + * output.h (find_basic_blocks): Fix prototype. + * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to + find_basic_blocks anymore. + +Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com> + + * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro. + (sbitmap_free, sbitmap_vector_free): New macros. + * output.h (rtl_dump_file): Declare. + +Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com) + + * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION. + +Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fp-bit.c (SFtype): Don't implicitly use int in declaration. + (DFtype): Likewise. + (_fpdiv_parts): Remove unused parameter `tmp', all callers changed. + (divide): Remove unused variable `tmp'. + (si_to_float): Cast numeric constant to (SItype) before comparing + it against one. + +Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk> + + * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use. + * gcc.c (add_preprocessor_option): Correct typo when allocating + memory, sizeof() argument had one too many `*'. + (add_assembler_option): Likewise. + (add_linker_option): Likewise. + * gcov.c (output_data): Likewise. + * local-alloc.c (memref_used_between_p): Likewise. + (update_equiv_regs): Likewise. + * loop.c (strength_reduce): Likewise. + * reg-stack.c (record_asm_reg_life): Likewise. + (subst_asm_stack_reg): Likewise. + * reorg.c (dbr_schedule): Likewise. + +Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * flow.c (life_analysis_1): Break out some functions. + (find_basic_blocks_1): Likewise. Also move some variables out and + make them static. + Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize + new static var nonlocal_label_list with it. + (active_eh_region, nested_eh_region, label_value_list, + nonlocal_label_list): New static variables. + (make_edges, delete_unreachable_blocks, delete_block): New static + functions, broken out of find_basic_blocks_1. + (record_volatile_insns, mark_regs_live_at_end, set_noop_p, + noop_move_p): New static functions, broken out of life_analysis_1. + +Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com> + + * expmed.c (store_bit_field): Pun non-integral str_rtx modes. + Take extra care for op0 now possibly being a subreg. + (extract_bit_field): Likewise. + * function.c (purge_addressof_1): Revert Oct 4 change. Drop + the reg to memory if there is no equal sized integral mode. + * stor-layout.c (int_mode_for_mode): New function. + * machmode.h: Prototype it. + +Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com) + + * global.c (build_insn_chain): Verify no real insns exist past the + end of the last basic block, then exit the loop. + +Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org> + + * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use. + +Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com> + + * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS. + +Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases. + +Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com> + + * flow.c (find_basic_blocks): Correctly determine when a call + is within an exception region. + +Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'. + + * cpplib.h: Protect from multiple inclusions. + * cpplib.c: Fix minor formatting problems. + + * i386/xm-cygwin32.h: Only define POSIX if it is not already defined. + + * jump.c (jump_optimize): Revert accidental patch. + + * Makefile.in (cpplib.o): Use unlibsubdir. + +Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com> + + * loop.c (get_condition): Allow combine when either compare is + VOIDmode. + +Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk> + + * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF. + (init_lex): Initialize ridpointers[RID_BYREF]. + * c-lex.h (enum rid): Add RID_BYREF. + * c-parse.gperf: Add RID_BYREF as a type qualifier. + * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF. + (encode_type_qualifiers): Similarly + * c-gperf.h: Rebuilt. + +Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com) + + * c-common.c (type_for_mode): Only return TItype nodes when + HOST_BITS_PER_WIDE_INT is >= 64 bits. + * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare + when HOST_BITS_PER_WIDE_INT is >= 64 bits. + (init_decl_processing): Only create TItype nodes when + HOST_BITS_PER_WIDE_INT is >= 64 bits. + * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare + when HOST_BITS_PER_WIDE_INT is >= 64 bits. + +Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * stmt.c (n_occurrences): New static function. + (expand_asm_operands): Verify that all constrains match in the + number of alternatives. + Verify that '+' or '=' are at the beginning of an output constraint. + Don't allow '&' for input operands. + Verify that '%' isn't written for the last operand. + * reload.c (find_reloads): Abort if an asm is found with invalid + constraints; all possible problems ought to be checked for earlier. + +Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * flags.h (flag_branch_on_count_reg): Always declare + * toplev.c (flag_branch_on_count_reg): Likewise. + * toplev.c: Fix typos. + + * real.c (c4xtoe): Remove unused variables. Add some missing parens. + (toc4x): Similarly. + Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com> * flow.c (find_basic_blocks): Calc upper bound for extra nops in @@ -201,7 +9842,7 @@ Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed goto. -Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu> +Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org> * unroll.c (loop_iteration_var, loop_initial_value, loop_increment loop_final_value, loop_comparison_code): No longer static. @@ -648,7 +10289,7 @@ Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com) * cpp.texi: Update for Fortran usage from Craig. -Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu> +Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org> * rs6000.c (function_arg_boundary): Revert accidental change on September 18. @@ -1035,7 +10676,7 @@ Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com) (MEM (reg_equiv_addr)) in the initializing insn for the pseudo. -Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu> +Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org> * toplev.c (rest_of_compilation): Set bct_p on second call to loop_optimize. @@ -1774,7 +11415,7 @@ Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com> * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}. -Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu> +Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org> * rs6000.md (movsf): Disable explicit secondary-reload-like functionality if TARGET_POWERPC64. @@ -2325,7 +11966,7 @@ Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk> * reload1.c (reload_cse_regs_1): When deleting a no-op move that loads the function result, substitute with a USE. -Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu> +Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org> * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode. @@ -2446,7 +12087,7 @@ Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com> sys/param.h pulled in before rtl.h in case the system defines MIN and MAX. -Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu> +Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org> * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX. @@ -2456,7 +12097,7 @@ Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com> arrays of bits. * cpplib.c (cpp_define): Handle macros with parameters. -Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu> +Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org> * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit. (output_toc): Use single TOC slot or llong minimal-toc for DFmode @@ -2717,7 +12358,7 @@ Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com> (sidi zero/sign extension insns on arch64): Set type to shift. (sign_extendhidi2_insn): Set type to sload. -Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu> +Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org> * rs6000.c (rs6000_stack_info): Use if == 0 for sizes. (output_epilog): Use if != 0 for offset. @@ -2733,7 +12374,7 @@ Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com> * reload.c (find_equiv_reg): Reject equivalences separated by a volatile instruction. -Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> +Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define. @@ -3359,7 +13000,7 @@ Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com> * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN. (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap. -Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu> +Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org> * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete. (AR_FOR_TARGET): Define. @@ -3429,7 +13070,7 @@ Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com) or UNROLL_COMPLETELY loop that starts with a jump to its exit code. -Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu> +Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org> * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS. * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT. @@ -3629,7 +13270,7 @@ Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com> constants here. (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR. -Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu> +Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org> * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX. * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX. |