path: root/gcc/ChangeLog.apple-ppc

2005-05-02  Mike Stump  <mrs@apple.com>

	* Radar 4099000
	* config/i386/lib1funcs.asm: Add ___i686.get_pc_thunk.<reg> to
	libgcc.
	* config/i386/t-darwin: Add.
	* config.gcc: Add i386/t-darwin.

2005-05-02  Dale Johannesen  <dalej@apple.com>

	Radar 4102133  (PR 21293, Zdenek's patch)
	* tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
        integer_zerop.
        * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
        constants invariant.
        * fortran/trans-intrinsic.c (gfc_conv_intrinsic_ishft): Convert
        the argument of the shift to the unsigned type.

2005-04-28  Devang Patel  <dpatel@apple.com>

	Radar 4086969
	* c-typeck.c (convert_for_assignment): Fix warn_discard_qual.

2005-04-28  Devang Patel  <dpatel@apple.com>

	Radar 4086969
	* c-typeck.c (convert_for_assignment): Check warn_discard_qual.
	* c.opt (Wdiscard-qual): New.
	* doc/invoke.texi: Dcoument -Wdiscard-qual.

2005-04-28  Dale Johannesen  <dalej@apple.com>

	Radar 4101687
	* i386.c (legitimize_address):  Canonicalize shifts correctly.

2005-04-28  Dale Johannesen  <dalej@apple.com>

	Radar 4100712 (PR 21173, Dan Berlin's patch)
	* tree-ssa-pre.c (create_expression_by_pieces): Call unshare_expr
	on things we pass to force_gimple_operand.  Don't try to special
	case min_invariants.

2005-04-28  Dale Johannesen  <dalej@apple.com>

	Radar 4101973
	* config/i386/darwin.h (SUBTARGET_OVERRIDE_OPTIONS):
	Back out patch for 4096578.
	* config/i386/i386.c (reset_optimization_options):  Ditto.

2005-04-26  Dale Johannesen  <dalej@apple.com>

	Radar 4099768
	* config/i386/i386.c (ix86_split_long_mode):  Adjust
	stack offsets for 128-bit long doubles correctly.

2005-04-26  Dale Johannesen  <dalej@apple.com>

	Radar 4096578
	* config/i386/darwin.h (SUBTARGET_OVERRIDE_OPTIONS):
	Default omit-frame-pointer on with optimization.
	* config/i386/i386.c (reset_optimization_options):  Ditto.

2005-04-26  Stuart Hastings  <stuart@apple.com>

	Radar 4010496
	* gcc/config/i386/x-darwin: Add -mdynamic-no-pic.

2005-04-25  Devang Patel  <dpatel@apple.com>

	Radar 4095956
	* config/rs6000/darwin.h (REAL_LIBGCC_GCC): Use -lgcc_static.

2005-04-26  Stuart Hastings  <stuart@apple.com>

	Radar 4096118
	* build_gcc: Default to --with-arch=pentium4 --with-tune=prescott.
	* gcc/config/i386/darwin.h: Override OPTIONS_DEFAULT_SPECS.

2005-04-25  Devang Patel  <dpatel@apple.com>

	Radar 4095956
	* config/darwin.h (REAL_LIBGCC_GCC): Use -lgcc_static.

2005-04-25  Devang Patel  <dpatel@apple.com>

	Radar 3954848
	* dbxout.c (dbxout_type): Emit attribute vector.

2005-04-23  Dale Johannesen  <dalej@apple.com>

	Radar 4097111
	* opts.c (decode_options):  Move cl_pf_opts_cooked setup...
	* toplev.c (process_options):  ...to here.

2005-04-22  Dale Johannesen   <dalej@apple.com>

	* common.opt (falign-functions=):  Fix it.

2005-04-22  Devang Patel  <dpatel@apple.com>

	* config/rs6000/darwin.h: Update APPLE LOCAL markers to reflect
	FSF mainline check-in.

2005-04-21  Dale Johannesen  <dalej@apple.com>

	Radar 3124235
	* Makefile.in (options.o):  New dependencies.
	(tree-optimize.o):  Ditto.
	* c-decl.c (start_function):  Record perfunc flags.
	* common.opt (falign-jumps, falign-labels, falign-loops):
	Add PerFunc, VarUint, VarExists.
	(fbranch-count-reg, fbranch-target-load-optimize,
	fbranch-target-load-optimize2, fbtr-bb-exclusive, 
	fcaller-saves, fcprop-registers, fcrossjumping,
	fcse-follow-jumps, fcse-skip-blocks, fcx-limited-range,
	fdefer-pop, fdelayed-branch, fdelete-null-pointer-checks,
	fexpensive-optimizations, ffinite-math-only, ffloat-store,
	fforce-addr, fforce-mem, ffunction-cse, fgcse, fgcse-lm,
	fgcse-sm, fgcse-las, fgcse-after-reload, 
	fguess-branch-probability, fif-conversion, fif-conversion2,
	fivopts, floop-optimize, floop-optimize2, fmath-errno,
	fmodulo-sched, fmove-loop-invariants, 
	freschedule-modulo-scheduled-loops, fomit-frame-pointer,
	foptimize-register-move, foptimize-sibling-calls, fpeel-loops,
	fpeephole, fpeephole2, fprefetch-loop-arrays, fregmove,
	frename-registers, freorder-blocks, freorder-blocks-and-partition,
	frerun-cse-after-loop, frerun-loop-opt, frounding-math,
	fsched-interblock, fsched-spec, fsched-spec-load, 
	fsched-spec-load-dangerous, fsched2-use-superblocks,
	fsched2-use-traces, fschedule-insns, fschedule-insns2,
	fsignaling-nans, fsplit-ivs-in-unroller, 
	fvariable-expansion-in-unroller, fstrength-reduce,
	fthread-jumps, ftracer, ftrapping-math, ftrapv, ftree-ccp,
	ftree-ch, ftree-combine-temps, ftree-copyrename, ftree-dce,
	ftree-dominator-opts, ftree-dse, ftree-fre, ftree-loop-im,
	ftree-loop-linear, ftree-loop-ivcanon, ftree-loop-memset,
	ftree-loop-optimize, ftree-pre, ftree-sra, ftree-ter,
	ftree-lrs, funroll-loops, funroll-all-loops, 
	funsafe-math-optimizations, funswitch-loops, ftree-vectorize,
	fweb, fwrapv): Add PerFunc.
	(fsched-verbose):  Add Var, UInteger, PerFunc, VarUint.
	(fsched-stalled-insns-dep):  Add PerFunc, VarUint.
	(p): Add VarExists.
	* final.c (asm_insn_count):  Replace "optimize" by "optimizing".
	(final):  Ditto.
	(final_scan_insn):  Ditto.
	* flags.h (optimize, optimize_size):  Remove.
	* haifa-sched.c (sched_verbose_param):  Remove.
	(fix_sched_param):  Remove.
	* loop.c (struct loop_mem_info): Replace "optimize" by "optimizable".
	(insert_loop_mem, load_mems):  Adjust references.
	* opt-functions.awk (flag_set_p):  New.
	(switch_flags):  Add VarUint, PerFunc.
	(var_ref):  Handle them.
	(access_ref):  New.
	* optc-gen.awk (END):  Substantial rewrite to handle PerFunc,
	VarUint.
	* opth-gen.awk (END):  Ditto.
	* opts.c (hashtab.h):  New include.
	(handle_option):  Use access_flag.
	(set_flags_from_O):  New.
	(decode_options):  Split out set_flags_from_O. Save
	cl_pf_opts_cooked.
	(common_handle_options):  Remove special cases for
	align-functions, align-jumps, align-labels, 
	align-loops, sched-verbose, sched-stalled-insns-dep.
	Use access_flag.
	(cl_perfunc_opts_hash_table, hash_cl_perfunc_opts,
	cmp_cl_perfunc_opts, make_perfunc_opts, 
	func_cl_pf_opts_mapping_hash_table, struct func_cl_pf_opts_mapping,
	func_cl_pf_opts_mapping_hash, func_cl_pf_opts_mapping_eq,
	record_func_cl_pf_opts_mapping, restore_func_cl_pf_opts_mapping, 
	copy_func_cl_pf_opts_mapping):  New.
	* opts.h (set_flags_from_O, record_func_cl_pf_opts_mapping,
	restore_func_cl_pf_opts_mapping, copy_func_cl_pf_opts_mapping):  New.
	(struct cl_option):  Add access_flag.
	(CL_VARUINT, CL_PERFUNC):  New.
	* toplev.c (optimize, optimize_size):  Remove.
	(print_switch_values):  Use access_flag.
	* toplev.h (flag_loop_optimize, flag_crossjumping, flag_if_conversion,
	flag_if_conversion2, flag_peel_loops, flag_rerun_cse_after_loops,
	flag_thread_jumps, flag_tracer, flag_unroll_loops, 
	flag_unroll_all_loops, flag_unswitch_loops, flag_cprop_registers,
	flag_loop_optimize2):  Remove.
	* tree-optimize.c (opts.h):  New include.
	(tree_rest_of_compilation):  Restore saved opts from definition.
	* config/darwin-c.c (flags.h, opts.h, varray.h):  New includes.
	(darwin_pragma_reverse_bitfields):  Fix obvious spelling bug.
	(va_opt, push_opt_level, pop_opt_level, darwin_pragma_opt_level,
	darwin_pragma_opt_size):  New.
	* config/darwin-protos.h (darwin_pragma_opt_level,
	darwin_pragma_opt_size, reset_optimization_options):  New.
	* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
	Add optimization_level, optimize_for_size.
	* config/t-darwin (darwin-c.o):  New dependencies.
	* config/i386/i386.c (reset_optimization_options):  New.
	* config/rs6000/rs6000.c (reset_optimization_options):  New.
	* config/rs6000/rs6000.h (optimize, flag_expensive_optimizations):  Remove.
	* cp/Make-lang.in (cp/decl.o):  New dependency.
	* cp/decl.c (opts.h):  New include.
	(build_library_fn_1):  Record perfunc opts.
	(start_preparsed_function): Propagate saved opts to existing forward decl.
	(start_function):  Record perfunc opts.
	* doc/extend.texi (pragma optimization_level, optimize_for_size):
	Document.
	* objc/objc-act.c (objc_start_function):  Record perfunc opts.

2005-04-21  Dale Johannesen  <dalej@apple.com>

	Radar 4080945
	PR 20742
	* params.def (PARAM_SCEV_MAX_EXPR_SIZE):  New.
	* tree-chrec.c (params.h):  New include.
	(chrec_fold_plus_1):  Avoid too deep recursion.
	(reset_evolution_in_loop):  Use build2 not build.
	(tree_contains_chrecs):  Add size argument.
	* tree-chrec.h (tree_constains_chrecs):  Add size argument.
	(tree_does_not_contain_chrecs):  Adjust call to it.
	* tree-scalar-evolution.c (simple_iv):  Ditto.
	* doc/invoke.texi (scev-max-expr-size):  Document.

2005-04-21  Devang Patel  <dpatel@apple.com>

	Radar 4080840
	* config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.

2005-04-20  Mike Stump  <mrs@apple.com>

	Radar 4077104
	* c-common.c (print_cw_asm_operand): Handle -40(sp) in C++ CW asms better.

2005-04-20  Stuart Hastings  <stuart@apple.com>

	* Radar 4067496
	* gcc/config/i386/i386.c (optimization_options): Raise inlining limits under -Os.

2005-04-20 Fariborz Jahanian <fjahanian@apple.com>

	* expr.c (emit_single_push_insn): Radar 4087332.

2005-04-18  Devang Patel  <dpatel@apple.com>

	* config/rs6000/atlivec.md (mulv4si3): Update APPLE LOCAL markers to
	reflect check-in on mainline.

2005-04-15  Devang Patel  <dpatel@apple.com>

	Radar 3972875
	* config/rs6000/atlivec.md (mulv4si3): New pattern.

2005-04-15  Stuart Hastings  <stuart@apple.com>

	Radar 4087864
	* config/darwin-protos.h: Extern for machopic_symbol_stub2_section.
	* config/i386/i386.c (machopic_output_stub): Fix stubs targeted for
	deeply-pipelined CPUs.

2005-04-15  Caroline Tice  <ctice@apple.com>

	Radar 4078608
	* config/darwin.c (machopic_select_section): Change name for function 
	to switch to cold text section to unlikely_text_section 
	(the correct function name, in varasm.c).
        * config/darwin.h (SECTION_FUNCTION): Remove code that created a second
        (incorrect) function for switching to cold text section.

2005-04-14  Devang Patel  <dpatel@apple.com>

	Radar 4080840
        * common.opt (falign-jumps-max-skip, falign-jumps-max-skip=,
        falign-loops-max-skip, falign-loops-max-skip=): New.
        * opts.c (common_handle_option): Handle new falign-loops-max-skip
        and falign-jumps-max-skip options.
        * doc/invoke.texi: Document -falign-jumps-max-skip and
        -falign-loops-max-skip.
	* toplev.c (align_jumps_max_skip, align_loops_max_skip): Remove.

2005-04-14  Devang Patel  <dpatel@apple.com>

	Radar 3972515
        * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
        (lhsr<mode>3): ... new name.
        (altivec_vsra<VI_char>): Rename to ..
        (ashr<mode>3): ... new name.
        * config/rs6000/rs6000.c (builtin_description): Rename shift
        operations.

2005-04-12  Geoffrey Keating  <geoffk@apple.com>

	Radar 4087079
	* rtlanal.c (subreg_regno_offset): Compute offset into float
	subregs on x86 properly.
	(subreg_offset_representable_p): Likewise.

2005-04-08  Ziemowit Laski  <zlaski@apple.com>

	Radar 4055183
	* c-common.h (objc_rewrite_function_call): New prototype.
	* c-typeck.c (build_function_call):
	Call objc_rewrite_function_call() to handle casts.
	* stub-objc.c (objc_rewrite_function_call): New stub.

2005-04-08  Devang Patel  <dpatel@apple.com>

	Radar 4044861
	* config/darwin-drver.c (save_temps_seen): New.
	(main): Reject -save-temps with multiple -arch options.

2005-04-07  Fariborz Jahanian <fjahanian@apple.com>

	Radar 4063657 (part 2).
	* c-common.c (cw_process_arg): Remove from 'uses' list any 
	register which ends up on an output or input list.
	(cw_asm_stmt): New 'uses' argument is passed to cw_process_arg.
	'uses' list is added to 'clobber' list.
	(print_cw_asm_operand): When building 'uses' list do not
	duplicate a hard register on this list.

2005-04-07  Devang Patel  <dpatel@apple.com>

	Radar 4069922
        * tree-sra.c (decide_block_copy): Disable scalarization of sub-elements.

2005-04-05  Fariborz Jahanian <fjahanian@apple.com>

	Radar 4063657 (part 1).
	* c-common.c (print_cw_asm_operand): Added a new argument to
	track use of hard registers. Return any use of hard register
	to caller in a tree-list form.
	(cw_asm_stmt): Add tree-list of hard register register uses to 
	ASM_EXPR statement tree.
	(cw_asm_label): Add the extra argument when building ASM_EXPR.
	(cw_asm_entry): Ditto.
	* c-typeck.c (build_asm_expr): Ditto.
	* cp/semantics.c (finish_asm_stmt): Ditto.
	* recog.c (asm_noperands): Bypass USE seen in asm_operand.
	(decode_asm_operands): Ditto.
	* stmt.c (expand_asm_operands): Insert list of use of hard 
	registers in the asm_operand rtl following the clobber list.
	(expand_asm_expr): Pass hard register usage tree-list to
	expand_asm_operands.
	* tree.def (ASM_EXPR): Tree now takes an extra argument.
	* tree.h (ASM_USES): New macro defined.
	
2005-04-02  Ziemowit Laski  <zlaski@apple.com>

	Radar 4072153
	* tree.c (build2_stat): Never mark tcc_expression-class nodes
	as constant, unless AltiVec PIM support has been selected
	and we have a compound expression with constant elements.

2005-04-01  Jon Ziegler  <jonz@apple.com>

	Radar 4075524
	* ginclude/tgmath.h (scalbn) Change to use __TGMATH_REAL_1_2 macro.
	(scalbln) Likewise.

2005-03-31  Dale Johannesen  <dalej@apple.com>

	* print-tree.c (print_node):  Handle STATEMENT_LIST (mainline).

2005-03-29  Dale Johannesen  <dalej@apple.com>

	Radar 3955567
	* stor-layout.c (place_field):  Reverse bitfields if pragma was set.
	* target-def.h (TARGET_REVERSE_BITFIELDS_P):  New, defaults to false.
	* target.h (struct gcc_target):  Add reverse_bitfields_p.
	* config/darwin-c.c (darwin_pragma_reverse_bitfields):  New.
	* config/darwin-protos.h:  Declare it.
	* config/darwin.c (darwin_reverse_bitfields):  Define, initialize to 0.
	* config/darwin.h:  Declare it.
	(DARWIN_REGISTER_TARGET_PRAGMAS):  Add reverse_bitfields.
	* config/rs6000/rs6000.c (rs6000_reverse_bitfields_p):  New.
	(TARGET_REVERSE_BITFIELDS_P):  Use it.
	(rs6000_override_options):  Set darwin_reverse_bitfields to 0.

2005-03-24  Dale Johannesen  <dalej@apple.com>

	Radar 3982365
	* cp/tree.c (cp_tree_equal):  Fix from mainline.

2005-03-22  Devang Patel  <dpatel@apple.com>

        Radar 4023104 
        * config/darwin-driver.c (dash_capital_m_seen): Remove. 
        (main) : Do not handle -M options.

2005-03-21  Stuart Hastings  <stuart@apple.com>

	Radars 3805723 4010664 3965893 4010496 4015764
	* config/mh-x86-darwin: New; now bootstraps with -mdynamic-no-pic on Darwin/x86.
	* configure.in: Now bootstraps with -mdynamic-no-pic on Darwin/x86.
	* configure: Re-autoconfiscated with above.
	* gcc/config/darwin-protos.h (machopic_lazy_symbol_ptr2, machopic_lazy_symbol_ptr3):
	New lazy_symbol_ptr sections for new Darwin/x86 stubs.
	(darwin_texcoal_nt_section): New section for set_pc_thunk pic-base settors.
	* gcc/config/darwin.c (machopic_symbol_defined_p): No longer static.
	(machopic_indirect_data_reference): Revise to support -mdynamic-no-pic for x86.
	* gcc/config/darwin.h (machopic_lazy_symbol_ptr2, machopic_lazy_symbol_ptr3,
	machopic_picsymbol_stub2, darwin_textcoal_nt): New sections.
	* gcc/config/i386/darwin.h (CC1_SPEC): Un-disable -mdynamic-no-pic option.
	(TARGET_ASM_FILE_END): Use darwin_x86_file_end.  (darwin_x86_file_end): New.
	(TARGET_DEEP_BRANCH_PREDICTION, MASK_MACHO_DYNAMIC_NO_PIC, TARGET_DYNAMIC_NO_PIC):
	Un-disable for x86. (SUBTARGET_OVERRIDE_OPTIONS): New arch/tune/fpmath defaults for Darwin/x86.
	* gcc/config/i386/i386.c (override_options): New diagnostic for "-fPIC -mdynamic-no-pic."
	(get_pc_thunk_name): Mach-O support.  (ix86_output_function_epilogue): Isolate labels
	from the end of Mach-O sections with a NOP.
	(legitimate_constant_p, legitimze_address, print_operand, ix86_expand_move,
	machopic_output_stub):	Darwin -mdynamic-no-pic support.
	(darwin_x86_file_end): New; appends set_pc_thunks at end of compilation.
	* gcc/config/i386/i386.h: Update unused-bits comment.
	* gcc/cp/optimize.c: Wire the decloner OFF.

2005-03-18  Geoffrey Keating  <geoffk@apple.com>

	* doc/include/sourcecode.texi: Update branch name.

2005-03-17  Geoffrey Keating  <geoffk@apple.com>

	* c-parse.in: Change number of expected conflicts to 15.

2005-03-14  Dale Johannesen  <dalej@apple.com>

	Radar 4045984
	* rtlanal.c (find_first_parameter_load):  Rewrite to
	return actual first param load or the call if none,
	instead of first in block, when not all loads exist.

2005-03-11  Devang Patel  <dpatel@apple.com>

        * target.h: Reinsert one line comment.

2005-03-11  Ziemowit Laski  <zlaski@apple.com>

	Radar 3995882
	* c-decl.c (objc_mark_locals_volatile): Mark local variables and
	parameters 'volatile' in ways expected by the C front-end.

2005-03-10  Devang Patel  <dpatel@apple.com>

	Radar 4040918
	* c-opts.c (set_std_c89): Do not set lang if it is already set as CLK_ASM.

2005-03-09  Devang Patel  <dpatel@apple.com>

	* tree-vectorizer.c (vect_analyze_loop): Reorder data refs alignment analysis.
	
2005-03-08  Dale Johannesen  <dalej@apple.com>

	* Makefile.in:  Remove useless code from LNO branch.
	* tree-ssa-loop-ch.c:  Local marker cleanup.
	* tree-pass.h:  Ditto.
	* tree-ssa-loop.c:  Ditto both the above.

2005-03-08  Dale Johannesen  <dalej@apple.com>

	* Makefile.in:  Remove useless code from LNO branch.
	* cfgloop.h: Ditto.
	* cfgloopmanip.c: Ditto.
	* common.opt: Ditto.
	* lambda-trans.c: Ditto.
	* opts.c: Ditto.
	* rtl.h: Ditto.
	* timevar.def: Ditto.
	* toplev.c: Ditto.
	* toplev.h: Ditto.
	* tree-flow.h: Ditto.
	* tree-optimize.c: Ditto.
	* tree-pass.h: Ditto.
	* tree-ssa-loop-ch.c: Ditto.
	* tree-ssa-loop.c: Ditto.
	* tree.h: Ditto.
	* varray.h: Ditto.

2005-03-07  Devang Patel  <dpatel@apple.com>

	* target-def.h (TARGET_VECT): Remove.
	* target.h (tree.h, tree-flow.h): Do not include.
	(struct gcc_target): Remove struct vect.
	* config/rs6000/rs6000.c (cfgloop.h): Do not include.
	(rs6000_support_misaligned_vloads, rs6000_permute_misaligned_vloads,
	rs6000_build_builtin_lvsl, rs6000_build_builtin_lvsr,
	rs6000_build_builtin_vperm, rs6000_support_vmul_uch_p,
	rs6000_build_vmul_uch, rs6000_support_vector_init_p,
	get_vector_init_fns_for_type, rs6000_build_vector_init): Remove.
	(TARGET_VECT_SUPPORT_MISALIGNED_LOADS, TARGET_VECT_PERMUTE_MISALIGNED_LOADS,
	TARGET_VECT_BUILD_BUILTIN_LVSL, TARGET_VECT_BUILD_BUILTIN_LVSR,
	TARGET_VECT_BUILD_BUILTIN_VPERM, TARGET_VECT_SUPPORT_VMUL_UCH_P,
	TARGET_VECT_BUILD_VMUL_UCH, TARGET_VECT_SUPPORT_VECTOR_INIT_P,
	TARGET_VECT_BUILD_VECTOR_INIT, TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
	* c-incpath.c (errors.h): Include.
	
2005-03-06  Devang Patel  <dpatel@apple.com>

	* config/darwin.h (LINK_COMMAND_SPEC): Remove foutput-dbg.

2005-03-06  Devang Patel  <dpatel@apple.com>

	* target-def.h (TARGET_VECT_SUPPORT_MISALIGNED_LOADS,  
	TARGET_VECT_PERMUTE_MISALIGNED_LOADS, TARGET_VECT_BUILD_BUILTIN_LVSL,
	TARGET_VECT_BUILD_BUILTIN_LVSR, TARGET_VECT_BUILD_BUILTIN_VPERM,
	TARGET_VECT_SUPPORT_VMUL_UCH_P, TARGET_VECT_BUILD_VMUL_UCH, 
	TARGET_VECT_SUPPORT_VECTOR_INIT_P, TARGET_VECT_BUILD_VECTOR_INIT): Remove 
	redundant macros.

2005-03-06  Devang Patel  <dpatel@apple.com>

	Radar 4025991
        * tree-vectorizer.c (vect_is_simple_cond): Now second parameter is
        loop_vec_info instead of loop *.
        (vectorizable_select): Supply loop_vec_info to vect_is_simple_use.
        (vect_build_dist_vector): Use loop nest's depth.

2005-03-06  Devang Patel  <dpatel@apple.com>

	* c-opts.c (c_common_handle_option): Remove QA_DISABLE_WERROR.

2005-03-06  Devang Patel  <dpatel@apple.com>

	* tree-ssa-operands.h (add_vdef): Remove.
	* tree.h (get_array_base): Remove.
	(swap_tree_comparison): Remove redundant decl.

2005-03-06  Devang Patel  <dpatel@apple.com>

	* varray.h (VARRAY_DG_INIT, VARRAY_DG): Remove.
	
2005-03-04  Dale Johannesen  <dalej@apple.com>

	Radar 4025985 (partial)
	* config/rs6000/rs6000.c:  Restore 64-bit ABI from mainline.
	* config/rs6000/rs6000.h:  Ditto.

2005-03-03  Dale Johannesen  <dalej@apple.com>

	Radar 3897244
	* config/i386/darwin.h:  Define REGISTER_TARGET_PRAGMAS
	and ROUND_TYPE_ALIGN.
	* config/i386/i386.c (x86_field_alignment):  Support Mac68K alignment.

2005-03-02  Devang Patel  <dpatel@apple.com>

	Undo Radar 4023104
	* config/darwin-driver.c (dash_capital_m_seen): Remove.
	(main) : Do not handle -M options.

2005-02-28  Ziemowit Laski  <zlaski@apple.com>

	Radar 4015382
	* config/darwin.c (machopic_select_section): Do not place
	non-weak '::operator new' and '::operator delete' definitions
	in the coalesced section.

2005-02-27  Dale Johannesen  <dalej@apple.com>

	Radar 4015911
	* config/i386/i386.c (ix86_binds_local_p):  New.
	(TARGET_BINDS_LOCAL_P):  Use it.

2005-02-26  Dale Johanensen  <dalej@apple.com>

	Radar 3988125
	PR 19360 (from mainline)
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
	at the end of the main DOM loop rather than just before DOM exits.

2005-02-25  Devang Patel  <dpatel@apple.com>

	Radar 4023104
	* config/darwin-driver.c (dash_capital_m_seen): New.
	(main) : Handle -M options.

2005-02-24  Dale Johannesen  <dalej@apple.com>

	* doc/extend.texi (nested function description):  Improvement
	from mainline.

2005-02-23  Dale Johannesen  <dalej@apple.com>

	Radar 4011924
	PR 19241 (patch from mainline)
	* tree-inline.c (copy_body_r):  Don't recurse when
	remapping variables.

2005-02-23  Devang Patel  <dpatel@apple.com>
	
	Radar 4021019
	* config/rs6000/darwin.h (CC1_SPEC): Ignore -march=pentium4 and
	-mcpu=pentium4.
	* config/i386/darwin.h (CC1_SPEC): Ignore -mno-fused-madd.

2005-02-23  Devang Patel  <dpatel@apple.com>

        Radar 3841402 3841397 3841275
        * config/darwin-driver.c (add_arch_options): Do not supply
	-march=i386. Interpret -arch pentIIm3 appropriately.

2005-02-22  Devang Patel  <dpatel@apple.com>

	Radar 3844827
	Backport from Mainline.

	2005-01-18  Andi Kleen <ak@muc.de>

        * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
        * c.opt (-Wpointer-sign): Add.
        * doc/invoke.texi: (-Wpointer-sign): Add.

2005-02-21  Dale Johannesen  <dalej@apple.com>

	Radar 4015820 (missing piece)
	* objcp/objcp-lang.c:  Use objc_gimplify_expr.

2005-02-21  Dale Johannesen  <dalej@apple.com>

	Radar 4015820
	* objc/objc-act.c (objc_gimplify_expr):  New.
	* objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Use it.
	* objc/objc-act.h:  Declare it.  Include tree-gimple.h.
	* objc/Make-lang.in:  Add required tree-gimple.h's.
	* objcp/Make-lang.in:  Ditto.

2005-02-21  Stan Shebs  <shebs@apple.com>

	* config/darwin-c.c (darwin_pragma_options): Warn about uses
	of mac68k alignment pragma when 64-bit.

2005-02-21  Devang Patel  <dpatel@apple.com>

	Radar 3964387
	* config/rs6000/darwin.h (CC1_SPEC): Ignore -msse and -msse2.

2005-02-19  Ziemowit Laski  <zlaski@apple.com>

	Radar 4014879
	* config/rs6000/rs6000.md (call_nonlocal_sysv,
	sibcall_symbolic): Add handling of ABSCALL annotations.

2005-02-17  Devang Patel  <dpatel@apple.com>

	Radar 4008460
	* tree-vectorizer.c (vect_analyze_data_ref_dependence): Check for NULL
	distance vector.

2005-02-17  Devang Patel  <dpatel@apple.com>

        Undo Radar 3964387 fix.

2005-02-17  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3971074

	* c-common.c (cw_asm_stmt): Generate .file and .line
	directives. Remove cw_asm_lineno declaration.
	* c-common.h: Add argument to cw_asm_stmt declaration, remove
	cw_asm_lineno declaration.
	* c-parse.in: Accurately pass line no information to
	cw_asm_stmt routine.

2005-02-17  Ziemowit Laski  <zlaski@apple.com>

	Radar 3635843, 3922342
	* c-common.h (objc_generate_write_barrier): New prototype.
	* c-typeck.c (lvalue_or_else): Do not emit warning if
	'-Wno-non-lvalue-assign' has been specified.
	(build_modify_expr): Call objc_generate_write_barrier() if
	'-fobjc-gc' has been specified.
	* c.opt (-Wassign-intercept, -Wnon-lvalue-assign,
	-fobjc-direct-dispatch, -fobjc-gc): New options.
	* calls.c (emit_call_1): For functions with 'hard_coded_address'
	attribute, annotate the RTL call instruction with the address
	to use.
	* reg-notes.def (ABSCALL): New RTL annotation.
	* stub-objc.c (objc_generate_write_barrier): New stub.
	* config/darwin-protos.h (darwin_handle_objc_gc_attribute):
	New prototype.
	* config/darwin.c (darwin_handle_objc_gc_attribute): New function.
	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
	'-Wno-non-lvalue-assign' whenever '-fobjc-gc' is seen.
	(SUBTARGET_OS_CPP_BUILTINS): Define '__strong' and '__OBJC_GC__'
	macros as needed.
	(SUBTARGET_ATTRIBUTE_TABLE): Add 'objc_gc' attribute.
	* config/rs6000/rs6000.md (call_value_nonlocal_sysv,
	sibcall_value_symbolic): Add handling of ABSCALL annotations.

2005-02-16  Dale Johannesen  <dalej@apple.com>

	Radar 4006687
	PR 17767 et al (fix from mainline)
	* cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
	any simplifications of vector mode comparison operators.
	* simplify-rtx.c (simplify_relational_operation): Fix variable name.

2005-02-15  Dale Johannesen  <dalej@apple.com>

	Radar 3991611
	Radar 3990578
	PRs 19084 and 19348 (fix from mainline)
	* recog.c (peephole2_optimize): Do global life update if some peephole
	decides it doesn't need at least one of its inputs and that change
	influences liveness at the start of the basic block.
	* basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
	arguments instead of 1.
   
2005-02-15  Dale Johannesen  <dalej@apple.com>

	Radar 3876378
	Radar 3838108
	PR 18109 (fix from mainline)
	* config/i386/i386.md (movhi_1):  Remove previous attempt at a fix.
	(movqi_1):  Ditto.  Don't use 4-byte load when unsafe.

2004-02-16  Devang Patel  <dpatel@apple.com>

        Radar 3964387
        * build_gcc: Build darwin-driver-rs6000.c and darwin-driver-i386.c
        * config/darwin-driver-rs6000.c: New file
        * config/darwin-driver-i386.c: New file
        * config/darwin-driver.h: New file
        * config/darwin-driver.c (darwin-driver.h): Include.
        (ppc_specific_args, ppc_specific_args_size, ppc_specific_arg_count,
        x86_specific_args, x86_specific_args_size, x86_specific_arg_count,
        is_ppc_specific_option, is_x86_specific_option): New.
        (remove_arch_options): New parameter.
        (add_arch_options): Insert arch specific options.
        (main): Interpret arch specific options.
        
2005-02-16  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3970655

	* c-common.c (prepend_char_identifier): Modified old
	get_atsign_identifier to handle any character.
	* c-common.h (prepend_char_identifier): New function declaration.
	Removed get_atsign_identifier declaration.
	* c-lex.c (c_lex_with_flags): Add '.' to those tokens which
	can start a CW asm statement.
	* c-parse.in (cw_identifier): New CW identifier syntax.
	
2005-02-15  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3970646
	* c-common.c (cw_asm_identifier): New routine.
	(cw_asm_stmt): call cw_asm_identifier on asm operator.
	* cp/parser.c (cp_parser_cw_asm_relative_branch): New routine.
	(cp_parser_cw_asm_postfix_expression): Call 
	cp_parser_cw_asm_relative_branch to parse relative branch 
	operand.

2005-02-14  Devang Patel  <dpatel@apple.com>

	Radar 4002184
	* config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): Remove
	-ffix-and-continue.

2005-02-14  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3971053
	* cp/parser.c (cp_parser_unary_expression): Defer 'sizeof' in asm
	block to cp_parser_cw_asm_postfix_expression.
	(cp_parser_cw_asm_postfix_expression): Process sizeof here.

	Radar 3971060
	c-common.c (cw_asm_expr_val): New routine.
	(print_cw_asm_operand): Call cw_asm_expr_val to evaluate complex
	numeric expressions used in asm block.

	Radar 3971070
	gcc/c-parse.in (cw_asm_unary_expr): Error on undeclared type used
	in sizeof.
	c-typeck.c (parser_build_binary_op): Check for use of undefined
	in asm block.
	cp/typeck.c (build_x_binary_op): Ditto

2005-02-11  Ziemowit Laski  <zlaski@apple.com>

	Radar 3962013 (Part 2)
	* doc/invoke.texi: Document '-Wstrict-selector-match'.

2005-02-11  Devang Patel  <dpatel@apple.com>

	Radar 3996800
        * gcc.c (cpp_uniq_options): Emit '-mconstant-cfstrings' option, 
        if needed.

2005-02-09  Dale Johannesen  <dalej@apple.com>

	Radar 3985162
	Radar 3990505
	* cselib.c (cselib_process_insn):  Clear out regs where
	HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
	* reload.c (find_equiv_reg): Ditto.

2005-02-06  Dale Johannesen  <dalej@apple.com>

	Radar 3988061
	* langhooks-def.h:  add lhd_vtable_p, LANG_HOOKS_VTABLE_P
	langhooks.c (lhd_vtable_p):  New.
	langhooks.h (struct lang_hooks):  Add vtable_p.
	config/rs6000/rs6000.c (rs6000_binds_local_p):  Treat kext
	vtables as non-local-binding.
	cp/cp-objcp-common.c (cp_vtable_p):  New.
	cp/cp-objcp-common.h:  Use it for LANG_HOOKS_VTABLE_P.
	cp/cp-tree.h:  Declare it.

2005-02-06  Geoffrey Keating  <geoffk@apple.com>

	Radar 3984134 (again)
	* config/darwin-driver.c (do_compile): Update argc_count for
	target-specific options.
	(add_arch_options): Improve debug output.

2005-02-02  Mike Stump  <mrs@apple.com>

	Radar 3981486
	* objcp/lang-specs.h ("@objc++-cpp-output"): Add support for 3.3
	language name for distributed builds.

2005-02-02  Geoffrey Keating  <geoffk@apple.com>

	Radar 3984134
	* config/darwin-driver.c (initialize): Allow for extra NULL in
	new_argv.  Update comment for lipo_argv.
	(do_lipo): Add NULL at end.  Check for NULL at end when printing.
	(do_compile): Add NULL at end of current_argv.
	(main): Add NULL at end of new_argv.

2005-02-01  Devang Patel  <dpatel@apple.com>

	Radar 3983593
	* c-pch.c (pch_matching[]): Add -faltivec.
	* c.opt (faltivec): Use flag_altivec as variable.
	* toplev.c (flag_disable_opts_for_faltivec): New.
	* flags.h (flag_disable_opts_for_faltivec): Same.

2005-01-31  Ziemowit Laski  <zlaski@apple.com>

	Radar 3978168
	* c-typeck.c (lvalue_or_else): Allow certain non-lvalues
	as arguments to '&', and print appropriate warning.

2004-01-31  Devang Patel  <dpatel@apple.com>

	Radar 3978580
	* varasm.c (const_hash_1): Check constant cfstring.
	(compare_constant): Same.
	* config/darwin-protos.h (darwin_constant_cfstring_p): New.
	* config/darwin.c (darwin_constant_cfstring_p): New.

2005-01-31  Roger Sayle  <roger@eyesopen.com>
	    Dale Johannesen  <dalej@apple.com>

	Radar 3974393
	* fold-const.c (fold_binary_op_with_conditional_arg):
	Make types match original operands, before STRIP_NOPS.
	(From mainline.)

2005-01-30  Ziemowit Laski  <zlaski@apple.com>

	Radar 3962013
	* c.opt (Wstrict-selector-match): New option.

2005-01-28 Fariborz Jahanian <fjahanian@apple.com>

	Radar 3979484

	* cp/typeck2.c (digest_init): Convert AltiVec-style
	vector constant to its internal tree representation.

2005-01-28  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3967653
	* config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
	Diagnose 'long long' and 64bit 'long' vector declarations.

2005-01-26  Dale Johannesen  <dalej@apple.com>

	Back out preceding change, which is wrong.

2005-01-26  Dale Johannesen  <dalej@apple.com>

	Radar 3974393
	PR 19650
	* fold-const.c (fold_binary_op_with_conditional_arg):
	Make constant 0 or 1 be of correct type.

2005-01-27  Mike Stump  <mrs@apple.com>

	Radar 3978098
	* config/darwin.h (SUBTARGET_OS_CPP_BUILTINS): Move setting
	pascal_string for cpp from here...
	* config/darwin.h (SUBSUBTARGET_OVERRIDE_OPTIONS): ..to here.
	* c-cppbuiltin.c: Remove includes for pascal strings.
	* config/rs6000/rs6000.c (parse_in): Add.
	* config/i386/i386.c (parse_in): Add.

2005-01-26  Stuart Hastings  <stuart@apple.com>

	Radar 3967989
	* gcc/gimplify.c (shortcut_cond_expr): Re-compute side-effects.
	* gcc/testsuite/gcc.c-torture/execute/20050125-1.c: New.

2005-01-26  Ziemowit Laski  <zlaski@apple.com>

	Radar 3970884
	* tree.c (reconstruct_complex_type): Reconstruct
	REFERENCE_TYPEs correctly, instead of turning them
	into POINTER_TYPEs.
	* config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
	Propagate all qualifiers from element type onto vector type.

2005-01-25  Dale Johannesen  <dalej@apple.com>

	Radar 3941199
	* config/rs6000/darwin-tramp.asm (__trampoline_setup):
	Make work for 64 bit.

2005-01-25  Dale Johannesen  <dalej@apple.com>

	Radar 3944688
	PR 19147
	* config/rs6000/rs6000.md (andsi3_internal7, andsi3_internal8):  Delete.

2005-01-25  Dale Johannesen  <dalej@apple.com>

	Radar 3970057
	* config/rs6000/rs6000.c (rs6000_return_in_memory):
	Implement Darwin 64-bit convention correctly.
	(rs6000_darwin64_record_arg_flush_pending):
	Compute correct reg for int field following doubles.

2005-01-24  Stuart Hastings  <stuart@apple.com>

	Radar 3939078
	* gcc/cgraphunit.c (cgraph_build_static_cdtor) Don't set DECL_IGNORED_P.

2005-01-24  Ziemowit Laski  <zlaski@apple.com>

	Radar 3961973 (Part 2)
	* c-typeck.c (lvalue_or_else): Acccept NON_LVALUE_EXPRs
	as cast expressions.

2005-01-23  Ziemowit Laski  <zlaski@apple.com>

	Radar 3961973
	* c-common.c (flag_lvalue_cast_assign): Remove.
	* c-common.h (flag_lvalue_cast_assign): Remove.
	* c-opts.c (c_common_handle_option): Remove
	'-flvalue-cast-assign' handling.
	* c-typeck.c (lvalue_or_else): Change first parameter from
	'tree' to 'tree *'; handle conditional lvalues in addition
	to lvalue casts; when rewriting expressions, create a new
	tree instead of clobbering an existing one.
	(build_unary_op, build_modify_expr, build_asm_expr):
	Adjust calls to lvalue_or_else().
	* c.opt: Rename -flvalue-cast-assign to -fnon-lvalue-assign
	and add Var(...) and Init(...) annotation to create a flag.
	* doc/invoke.texi: Likewise; add description of lvalue
	conditional expressions and how they are transformed.

2005-01-21  Ziemowit Laski  <zlaski@apple.com>

	Radar 3951887
	* gimplify.c (gimplify_expr): Adjust the type of
	INDIRECT_REFs after their argument is gimplified.

2005-01-19 Robert Bowdidge <bowdidge@apple.com>

	* config/darwin.h (SUBSUBTARGET_OVERRIDE_OPTIONS) Turn off
	  -fweak whenever we're building kexts.
	* Makefile.in: Add -fno-non-call-exceptions to flags passed when
	  building files for libcc_kext.a
	* mklibgcc: Move -fexception and -fnon-call-exceptions to start of
	  command line so multilib machinery can override

2005-01-20  Dale Johannesen  <dalej@apple.com>
	
	Radar 3966230
	* config/rs6000/darwin.md (movsf_low_di):  Make work.

2005-01-19  Dale Johannesen  <dalej@apple.com>

	Radar 3961638
	* config/rs6000/darwin.md (movdf_low_di):  Make work.

2005-01-19  Mike Stump  <mrs@apple.com>

	Radar 3962625
	* c-incpath.c (hmap_construct_pathname): Warn when headermaps find
	files with mismatched case.

2005-01-13  Dale Johannesen  <dalej@apple.com>

	Radars 3942172 3897795 3944716 3941494
	* config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
	intoffset, use_stack, named.
	* config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
	rs6000_darwin64_record_arg_advance_flush_pending_int_fields:  New.
	rs6000_darwin64_record_arg_advance_recurs: New.
	rs6000_darwin64_record_arg_flush_pending_int_fields:  New.
	rs6000_darwin64_record_arg_recurs:  New.
	rs6000_darwin64_record_arg:  New.
	rs6000_return_in_memory:  Remove AGGREGATE_TYPE_P check.
	function_arg_boundary:  Handle 128-bit aligned structs.
	function_arg_advance:  Rewrite darwin-64 struct handling.
	function_arg:  Call rs6000_darwin64_record_arg.
	function_arg_partial_nregs:  Handle darwin-64 structs.
	rs6000_darwin64_function_value:  Remove.
	rs6000_function_value:  Call rs6000_darwin64_record_arg.

2005-01-04  Anders Bertelrud  <anders@apple.com>

	Radar 3871393
	* gcc/c-incpath.c:  Merged in headermap code from GCC 3.3 source
	base, modifying it somewhat to work in GCC 4.0.
	(hmap_hash_string):  Copied from GCC 3.3.
	(hmap_compare_strings):  Copied from GCC 3.3.
	(hmap_load_header_map):  Copied from GCC 3.3.
	(hmap_construct_pathname):  Copied from GCC 3.3 and modified
	to have calling convensions for cpp_dir's 'construct' field.
	(remove_duplicates):  If a search path refers to a file rather than
	a directory, we check if it's a headermap file immediately before
	we would have reported an error.  If it is, call hmap_load_header_map
	and set up the 'construct' field of the cpp_dir.  Otherwise, report
	the error as usual.

2005-01-17  Ziemowit Laski  <zlaski@apple.com>

	Radar 3951689
	* c-common.h (objc_finish_try_stmt, objc_build_synchronized):
	Return 'tree' instead of 'void'.
	* stub-objc.c (objc_build_throw_stmt, objc_begin_try_stmt,
	objc_finish_try_stmt, objc_begin_catch_clause,
	objc_finish_catch_clause, objc_build_finally_clause,
	objc_build_synchronized: New stubs.

2005-01-15  Geoffrey Keating  <geoffk@apple.com>

	* gcc.c (macosx_version_min_required): Make static.

2005-01-14  Dale Johannesen  <dalej@apple.com>

	Radar 3953308
	* tree-ssa-dce.c:  Remove all vestiges of LNO branch.
	* tree-flow.h (tree_ssa_dce_no_cfg_changes):  Remove declaration.

2005-01-13  Stuart Hastings  <stuart@apple.com>

	Radar 3236762
	* gcc/config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Revert Mach-O arch back to i386,
	regardless of -force_cpusubtype_ALL.

2005-01-11  Stuart Hastings  <stuart@apple.com>

	Radar 3943021
	* gcc/config/rs6000/rs6000.md (maxsf3, minsf3, split, maxdf3, mindf3, split):
	disable when -flag-trapping-math.
	* gcc/config/rs6000/rs6000.c (rs6000_emit_minmax): Don't abort
	when #pragma fenv (-ftrapping-math) causes failure.

2005-01-11  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3903960
	* fold-const.c (fold_widened_comparison) Replace it with the
	one from FSF mainline.
	(fold_sign_changed_comparison): Ditto.
	(fold): Remove APPLE LOCAL lno marker.

2005-01-10  Ziemowit Laski  <zlaski@apple.com>

	Radar 3943452
	* config/rs6000/rs6000.c (altivec_convert_args): Clear any oveflows
	caused by integer literal conversions.

2005-01-09  Mike Stump  <mrs@apple.com>

	Radar 3926955
	* c-opts.c (c_common_handle_option): Remove wrong -faltivec code.
	* c.opt (faltivec): Remove wrong set 0.
	config/rs6000/rs6000.c (rs6000_altivec_switch): Move -maltivec back
	into TARGET_SWITCHES.
	(rs6000_override_options): Likewise.
	* config/rs6000/rs6000.h (TARGET_SWITCHES): Likewise.
	(TARGET_OPTIONS): Likewise.
	(rs6000_altivec_switch): Likewise.

2005-01-10  Stuart Hastings  <stuart@apple.com>

	Radar 3236762
	* gcc/config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Revert Mach-O arch back to i386.

2005-01-09  Dale Johannesen  <dalej@apple.com>

	Radar 3941146
	Following patches from mainline:
	2004-10-27  Daniel Berlin <dberlin@dberlin.org>

	Fix PR tree-optimization/17133

	* tree-cfg.c (rewrite_to_new_ssa_names_bb): Also rewrite must
	def kill operand.

	* tree-flow-inline.h: V_MUST_DEF_OP became V_MUST_DEF_RESULT.
	(get_v_must_def_result_ptr): Modify for new structure of
	v_must_defs array.
	(get_v_must_def_kill_ptr): New.
	(op_iter_next_use): Add support for the kill that occurs in V_MUST_DEFs.
	(op_iter_next_tree): Ditto. Also V_MAY_DEF_OP became V_MAY_DEF_RESULT.
	(op_iter_next_def): V_MAY_DEF_OP became V_MAY_DEF_RESULT.
	(op_iter_init): Initialize new mustu members.
	(op_iter_next_mustdef): New function.
	(op_iter_init_mustdef): Ditto.

	* tree-flow.h (rewrite_def_def_chains): New function.

	* tree-into-ssa.c (mark_def_sites): Handle mustdefkill operands.
	(ssa_mark_def_sites): Ditto.
	(rewrite_stmt): Ditto.
	(ssa_rewrite_stmt): Ditto.
	(rewrite_blocks): Factor out from rewrite_into_ssa.
	(mark_def_block_sites): Ditto.
	(rewrite_def_def_chains): New function, just rewrites def-def
	chains without phi node insertion.

	* tree-pass.h (TODO_fix_def_def_chains): New todo flag.

	* tree-optimize.c (execute_todo): Handle TODO_fix_def_def_chains.

	* tree-pretty-print.c (dump_vops): Print out MUST_DEF's so that
	they include the rhs now.

	* tree-ssa-ccp.c (visit_assignment): V_MUST_DEF_OP became
	V_MUST_DEF_RESULT.

	* tree-ssa-dce.c (mark_operand_necessary): Add phionly argument.
	Update callers.
	(mark_really_necessary_kill_operand_phis): New function.
	(perform_tree_ssa_dce): Call it.
	(pass_dce): Add TODO_fix_def_def_chains.
	(pass_cd_dce): Ditto.

	* tree-ssa-loop-im.c (determine_max_movement): Look at kills as
	well.
	(rewrite_mem_refs): Ditto.

	* tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Look at kills
	as well.

	* tree-ssa-operands.c (allocate_v_may_def_optype):
	v_may_def_operand_type_t became v_def_use_operand_type_t.
	(allocate_v_must_def_optype) Ditto.
	(finalize_ssa_v_must_defs): Update for new operand type, as well
	as setting the use portion as well.
	(copy_virtual_operands): Copy the kill operand as well.
	(create_ssa_artficial_load_stmt): V_MUST_DEF_OP became
	V_MUST_DEF_RESULT.

	* tree-ssa-operands.h (v_may_def_operand_type): Renamed to
	v_def_use_operand_type.
	(v_must_def_optype_d): Use v_def_use_operand_type.
	(V_MUST_DEF_OP_*): Renamed to V_MUST_DEF_RESULT_*
	(V_MUST_DEF_KILL_*): New macros.
	(struct ssa_operand_iterator_d): Add num_v_mustu and v_mustu_i
	members.
	Rename existing must_i and num_v_must members to mustd_i and
	num_v_mustd.
	(SSA_OP_VMUSTDEFKILL): New flag.
	(SSA_OP_VIRTUAL_KILLS): New flag.
	(SSA_OP_ALL_OPERANDS): Add in SSA_OP_ALL_KILLS.
	(SSA_OP_ALL_KILLS): New flag.
	(FOR_EACH_SSA_MUSTDEF_OPERAND): New macro.

	* tree-ssa.c (verify_ssa): Verify virtual kills as well.

	* tree-vectorizer.c (vect_create_data_ref_ptr): V_MUST_DEF_OP
	became V_MUST_DEF_RESULT.
	(rename_variables_in_bb): Rename kill pointer as well.

	* tree-dfa.c (compute_immediate_uses_for_stmt): Add kills into the
	immediate uses.

	2004-10-28  Daniel Berlin  <dberlin@dberlin.org>

	* tree-into-ssa.c (rewrite_virtual_phi_arguments): New function.
	(rewrite_blocks): Modify argument, and use it to decide which
	function to call.
	(rewrite_def_def_chains): Call rewrite_blocks with true here.
	(rewrite_into_ssa): and call it with false here.

	2004-11-16  Daniel Berlin  <dberlin@dberlin.org>

	Fix PR tree-optimization/18519

	* tree-optimize (execute_todo): Add case for TODO_cleanup_cfg.
	* tree-pass.h: Add TODO_cleanup_cfg.
	* tree-ssa-ccp.c (pass_ccp): Use TODO_cleanup_cfg.
	(ccp_finalize): Remove call to cleanup_cfg.
	* tree-ssa-dce.c (pass_dce): Use TODO_cleanup_cfg and TODO_dump_func.
	(pass_cd_dce): Ditto.
	(perform_tree_ssa_dce): Remove call to cleanup_cfg,
	dump_function_to_file.
	* tree-ssa-loop-ch.c (copy_loop_headers): Remove call
	to cleanup_cfg.
	(pass_ch): Add TODO_cleanup_cfg.
	* tree-ssa-loop.c (tree_ssa_loop_done): Remove call to
	cleanup_cfg.
	(pass_loop_done): Add TODO_cleanup_cfg.
	* tree-ssa-phiopt.c (pass_phiopt): Ditto.
	(tree_ssa_phiopt): Remove call to cleanup_cfg.

2005-01-08  Ziemowit Laski  <zlaski@apple.com>

	Radar 3913725
	* c-common.c (flag_lvalue_cast_assign): New global variable.
	* c-common.h (flag_lvalue_cast_assign): Forward declare.
	* c-opts.c (c_common_handle_option): Handle
	'-f[no-]lvalue-cast-assign'.
	* c-typeck.c (lvalue_or_else): If expression is not an lvalue,
	check if it is a cast of an lvalue; if so, and if the cast
	involves POD types with identical size and aligment,
	rewrite '(type)expr' into '*(type *)&expr' and allow the
	result as an lvalue.
	* c.opt (flvalue-cast-assign): New flag.
	* invoke.texi: Document '-f[no-]lvalue-cast assign' flag.

2005-01-07  Devang Patel  <dpatel@apple.com>

	Radar 3943502
	* stub-objc.c (objc_get_class_ivars): New.

2005-01-06  Ziemowit Laski  <zlaski@apple.com>

	Radar 3926755
	* c-decl.c (builtin_function): Do not require AltiVec
	builtins to be explicitly declared.
	* config/rs6000/rs6000.c (altivec_cov_rt_1h): New function.
	(pim_flags): Add pim_rt_1h enumeration constant; renumber
	all pim_rt_... constants.
	(rs6000_fold_builtin): Select overload candidate before
	determining return type; call altivec_cov_rt_1h() during
	latter.
	(altivec_init_builtins): Create builtins corresponding
	to "specific operations" listed in AltiVec PIM; fix
	entry for "vec_re" to return a 'vector float'; fix
	entries for "vec_pack" to compute return vector type
	as having twice as many elements as the first argument.
	* config/rs6000/rs6000.h (rs6000_builtins): Add enumeration
	constants corresponding to AltiVec PIM "specific operations".

2005-01-06  Stan Shebs  <shebs@apple.com>

       * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't skip
       saving r31 if we must do a full stack frame.
       (rs6000_emit_epilogue): Similarly for restoring r31.

2005-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
	    Stuart Hastings  <stuart@apple.com>

	Radar 3830232
	* gcc/testsuite/gcc.apple/notailcall-1.c: New testcase.

2005-01-06  Stuart Hastings  <stuart@apple.com>

	Radar 3941684
	* gcc/c-common.c (print_cw_asm_operand): Casts for long long format.
	* gcc/gcc.c (process_command): Malloc overflowing static char array.
	* gcc/config/i386/dariwn.h (ASM_SPEC): Revert to i386.
	* gcc/config/i386/i386.h (STACK_BOUNDARY): Must be of indeterminate signedness.

2005-01-06  Mike Stump  <mrs@apple.com>

	Radar 3929334
	* c-pch.c (c_common_pch_pragma): Add indirection for pch files for distcc.

2005-01-04  Devang Patel  <dpatel@apple.com>

	Radar 3886137 Part 2.
	* cppdefault.c (INCLUDE_DEFAULTS): Enable isysroot override by default
	for all include paths.

2005-01-03  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3936917
	* config/rs6000/altivec.md (altivec_vandc): Correct RTL
	pattern and use its canonical form.
	
2005-01-03  Stuart Hastings <stuart@apple.com>

	Radar 3830232, Bugzilla 17526
	* tree-gimple.c (is_gimple_mem_rhs): Force a temp for every
	register-candidate to prevent bad tailcalls.

2004-12-23  Dale Johannesen  <dalej@apple.com>

	* config/darwin-c.c:  Include options.h.
	(darwin_pragma_fenv):  New.
	* config/darwin-protos.h:  Declare it.
	* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):  Register it.
	* config/t-darwin: Add new dependency.
	* config/rs6000/rs6000.c (optimization_options):
	Default trapping-math off.
	* config/i386/i386.c (optimization_options):  Ditto.
	* fixincludes/inclhack.def:  Add #pragma GCC fenv to <fenv.h>.
	* fixincludes/fixincl.x:  Regenerate.
	* testsuite/gcc.apple/apple-altivec-9.c:  Add -ftrapping-math.
	* testsuite/gcc.apple/darwin-fsel-3.c:  New.

2004-12-23  Dale Johannesen  <dalej@apple.com>

	Radar 3926600
	Following patches brought in from mainline
	* tree.c (iterative_hash_expr):  Canonicalize builtins.
	PR tree-opt/16951
	* tree-inline.c (setup_one_parameter): Don't directly map a
	parameter to the address of another variable of the same
	function.

2004-12-22  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3765572
	* expr.c (emit_push_insn): Remove unnecessary apple
	local stuff which previously handled partial
	arguments in mixed mode.

2004-12-20  Dale Johannesen  <dalej@apple.com>

	Radar 3926484
	* objc/objc-act.c (objc_get_callee_fndecl):  New.
	* objc/objc-act.h:  Declare it.
	* objc/objc-lang.c:  Use it.
	* objcp/objcp-lang.c:  Ditto.

2004-12-20  Matt Austern  <austern@apple.com>

	Radar 3845716
	PR c++/19044
	* c-common.c (set_builtin_user_assembler_name): New.
	* c-common.h (set_builtin_user_assembler_name): Declare.
	* c-decl.c (finish_decl): Use set_builtin_user_assembler_name
	
2004-12-20  Dale Johannesen  <dalej@apple.com>

	Radar 3926488
	* tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p):  Don't
	reference operand 1 of ADDR_EXPRs.

2004-12-20  Devang Patel  <dpatel@apple.com>

	Backport vectorizatin patches from Mainline.
	Radar 3907012 3917979 3917991 3917994 3917999

	PR tree-optimization/18009
	2004-11-03  Dorit Naishlos  <dorit@il.ibm.com>
	
	* tree-vectorizer.h (enum dr_alignment_support): New type.
	(MAX_NUMBER_OF_UNALIGNED_DATA_REFS): Removed.
	(LOOP_UNALIGNED_DR): replaced with LOOP_VINFO_UNALIGNED_DR and holds a
	single data_reference (instead of a varray of references).
	* tree-vectorizer.c (new_loop_vec_info): Likewise.
	(vect_gen_niters_for_prolog_loop): Likewise.
	(vect_update_inits_of_drs): Likewise.
	
	(vect_update_inits_of_drs): Setting of DR_MISALIGNMENT moved to
	vect_enhance_data_refs_alignment.
	(vect_do_peeling_for_alignment): Likewise.
	(vect_enhance_data_refs_alignment): Decide if and by how much to peel;
	this functionality used to be in vect_analyze_data_refs_alignment.
	Also update DR_MISALIGNMENT due to peeling; this functionality used to
	be in vect_update_inits_of_drs and vect_do_peeling_for_alignment).
	(vect_analyze_data_refs_alignment): Decision on whether and by how much
	to peel moved to vect_enhance_data_refs_alignment. Call
	vect_supportable_dr_alignment.
	
	(vect_compute_data_ref_alignment): Set STMT_VINFO_VECTYPE.
	(vect_compute_data_refs_alignment): Return bool. Consider return value
	of vect_compute_data_ref_alignment and return true/false accordingly.
	(vect_enhance_data_refs_alignment): Consider return value of
	vect_compute_data_refs_alignment and return true/false accordingly.
	
	(vect_supportable_dr_alignment): New function.
	(vectorizable_store): Call vect_supportable_dr_alignment.
	(vectorizable_load): Call vect_supportable_dr_alignment. Alignment
	support checks moved from here to vect_supportable_dr_alignment.
	
	(vect_transform_loop): Avoid 80 columns overflow.

	2004-11-11  Dorit Naishlos  <dorit@il.ibm.com>
	
	* tree-vectorizer.c (update_phi_nodes_for_guard): Call reverse_phis.
	(vect_update_ivs_after_vectorizer): Update function documentation.
	Avoid quadratic behavior and direct write to PHI_ARG_DEF.

	2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>
	Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/18425
	* tree-vectorize.c (vect_build_loop_niters): Do not insert
	NULL into the instruction stream. Initialize new_bb to NULL.
	(vect_update_ivs_after_vectorizer): Likewise.
	(vect_gen_niters_for_prolog_loop): Likewise.

	PR tree-opt/18400
	* tree-vectorizer.c (make_loop_iterate_ntimes): Set loop->nb_iterations.
	(vect_transform_loop_bound): Set loop->nb_iterations.

	2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>
	
	PR tree-opt/18400
	* gcc.dg/vect/pr18400.c: New test.
	
	2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>
	Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/18425
	* gcc.dg/vect/pr18425.c: New test.

	2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>
	
	* gcc.dg/vect/vect-78.c: Now vectorized on powerpc*.

	2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>

	* tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): New name for
	function previously called tree_duplicate_loop_to_edge.
	(slpeel_tree_duplicate_loop_to_edge_cfg): New name for function
	previously called tree_duplicate_loop_to_edge_cfg.
	(slpeel_update_phis_for_duplicate_loop): Prefix 'slpeel' added to
	function name.
	(slpeel_update_phi_nodes_for_guard): Likewise.
	(slpeel_make_loop_iterate_ntimes): Likewise.
	(slpeel_add_loop_guard): Likewise.
	(allocate_new_names, free_new_names): Function declaration moved to top
	of file.
	(rename_use_op, rename_def_op): Likewise.
	(rename_variables_in_bb, rename_variables_in_loop): Likewise.
	(vect_generate_tmps_on_preheader): Function declaration moved.
	(vect_transform_for_unknown_loop_bound): Added missing function
	declaration.

	2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>	

	* tree-vectorizer.c (slpeel_can_duplicate_loop_p): New name for function
	previously called verify_loop_for_duplication. All conditions compacted
	into one compound condition. Removed debug dumps.
	(vect_analyze_loop_with_symbolic_num_of_iters): Removed. Some of the
	functionality moved to vect_can_advance_ivs_p, and some to
	vect_analyze_loop_form.
	(vect_can_advance_ivs_p): New function. Contains functionality that was
	taken out of vect_analyze_loop_with_symbolic_num_of_iters.
	(slpeel_tree_peel_loop_to_edge): Call slpeel_can_duplicate_loop_p.
	(vect_analyze_operations): Call vect_can_advance_ivs_p and
	slpeel_can_duplicate_loop_p.
	(vect_get_loop_niters): Added documentation.
	(vect_analyze_loop_form): Check the loop entry always - not only in case
	of unknown loop bound. Create preheader and exit bb if necessary. Apply
	a check that used to take place in
	vect_analyze_loop_with_symbolic_num_of_iters.
	(vectorize_loops): Call verify_loop_closed_ssa under ENABLE_CHECKING.
	Remove redundant call to rewrite_into_loop_closed_ssa.
	(vect_compute_data_refs_alignment): Removed obsolete comment.


	2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>
	
	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Last two
	arguments removed.
	(slpeel_tree_peel_loop_to_edge): Call slpeel_make_loop_iterate_ntimes
	without last two arguments. Update single_exit of loops.
	(vect_update_niters_after_peeling): Removed. Its functionality was
	moved to vect_do_peeling_for_alignment.
	(vect_do_peeling_for_loop_bound): New name for function previously
	called vect_transform_for_unknown_loop_bound.
	(vect_transform_loop_bound): Call slpeel_make_loop_iterate_ntimes
	instead of code that duplicates the same functionality.
	(vect_do_peeling_for_alignment): Functionality of
	vect_update_niters_after_peeling moved here.
	(vect_transform_loop): Unify call to vect_do_peeling_for_loop_bound -
	previously named vect_transform_for_unknown_loop_bound - for both known
	and unknown loop bound cases.

	2004-11-19  Andreas Tobler  <a.tobler@schweiz.ch>
	
	* tree-vectorizer.c (slpeel_verify_cfg_after_peeling): Define only
	if checking is enabled.

	2004-11-22  Dorit Naishlos  <dorit@il.ibm.com>
	
	PR tree-opt/18544
	* tree-vectorizer.c (vect_analyze_data_refs): Fail if memtag not found.

	2004-11-22  Dorit Naishlos  <dorit@il.ibm.com>

	PR tree-opt/18536
	* tree-vectorizer.c (make_loop_iterate_ntimes): Use type of niters when
	creating iv instead of integer_type.
	(vect_build_loop_niters): Remove redundant code.
	(vect_transform_loop_bound): Removed (duplicates functionality of
	make_loop_iterate_ntimes.
	(vect_gen_niters_for_prolog_loop): Add documentation. Call
	lang_hooks.types.type_for_size to create a type of the required size.
	Use that type instead of integer_type. Remove redundant code.
	(vect_update_niters_after_peeling): Use type of niters instead of
	integer_type.
	(vect_transform_loop): Unify handling of known and unknown loop bound
	cases. Call make_loop_iterate_ntimes instead of
	vect_transform_loop_bound.

	2004-11-23  Dorit Naishlos  <dorit@il.ibm.com>
	
	PR tree-opt/18403
	PR tree-opt/18505
	* tree-vectorizer.c (vect_create_data_ref_ptr): Use
	lang_hooks.types.type_for_size instead of integer_type_node for the
	type of ptr_update.

	2004-11-23  Dorit Naishlos  <dorit@il.ibm.com>
	* tree-vectorizer.c (vect_analyze_operations): Don't vectorize if
	the vectorization factor is greater than the iteration count.
	(vect_gen_niters_for_prolog_loop): No need to calculate min if the
	iteration count is known.

	(vect_build_symbol_bound): Removed. Its functionality moved to
	vect_generate_tmps_on_preheader.
	(vect_generate_tmps_on_preheader): Moved content of
	vect_build_symbol_bound here instead of calling it.  Changed some
	variables names.

	(vect_build_loop_niters): We don't expect a new_bb to be generated -
	use gcc_assert.
	(vect_gen_niters_for_prolog_loop): Likewise.
	(vect_gen_niters_for_prolog_loo): Likewise.
	
	(slpeel_make_loop_iterate_ntimes): Use buildN instead of build.
	(slpeel_add_loop_guard): Likewise.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	(vect_do_peeling_for_alignment): Likewise.
	
	(vect_get_first_index): Missing space.

	2004-11-30  Dorit Naishlos  <dorit@il.ibm.com>
	PR tree-opt/18173

	* tree-vectorizer.c (vect_can_force_dr_alignment_p): Return false for
	decls that are assembled before vectorization takes place.
	(vect_compute_data_ref_alignment): Set DECL_USER_ALIGN to 1.

	2004-11-30  Dorit Naishlos  <dorit@il.ibm.com>
	* tree-vectorizer.c (vect_gen_niters_for_prolog_loop): Use
	tree_low_cst instead of TREE_INT_CST_LOW.

	2004-11-30  Ira Rosen  <irar@il.ibm.com>
	
	PR tree-opt/18607
	* tree-vectorizer.c (vect_analyze_data_refs): Use temporary
	variable for data_reference when looking for memtag.

	2004-12-02  Dorit Naishlos  <dorit@il.ibm.com>

	PR tree-opt/18716
	* tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Properly set
	then and else labels.

2004-12-17  Mike Stump  <mrs@apple.com>

	Radar 3549855
	* c-lex.c (c_lex_with_flags): Always do BOL processing for CW
	asms.

2004-12-17  Dale Johannesen  <dalej@apple.com>

	Radar 3851659
	* c-decl.c (disagnose_mismatched_decls):  Fix from mainline.

2004-12-17  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3914905
	* c-typeck.c (digest_init): Handle case of vector literal
	initializer initializing a const variable.
	* convert.c (build_compound_literal_vector): New routine to generate a
	COMPOUND_LITERAL_EXPR expression for a vector constant.
	(convert_to_vector); call build_compound_literal_vector.

2004-12-16  Stuart Hastings <stuart@apple.com>

	Radar 3910248, 3915171
	* gcc/config/rs6000/rs6000.c (output_call): correctly skip
	non-line-number notes.

2004-12-16  Ziemowit Laski  <zlaski@apple.com>

	Radar 3921172
	* dbxout.c (dbxout_finish): Switch to .text section before
	emitting final SO STABS record.

2004-12-15  Dale Johannesen  <dalej@apple.com>

	Radar 3619824
	* config/rs6000/rs6000.c (optimization_options): Clear
	flag_errno_math.
	* doc/invoke.texi:  Document that -fno-math-errno is the default.

2004-12-15  Ziemowit Laski  <zlaski@apple.com>

	Radar 3918376
	* config/rs6000/rs6000.c (altivec_ovl_resolve): When matching
	4-element vectors, allow V4SF in addition to V4SI modes.
	(rs6000_fold_builtin): If invalid arguments are provided, use
	the return type for the first overload candidate, if available.

2004-12-15  Ziemowit Laski  <zlaski@apple.com>

	Radar 3913672
	* config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): For
	'-faltivec', pass in '-pim-altivec' instead of '-maltivec
	-maltivec-pim'.
	* config/rs6000/rs6000.c (rs6000_altivec_switch): New.
	(rs6000_override_options): Handle '-m(no)altivec' explicitly
	(rather than via TARGET_SWITCHES); for '-maltivec' and
	'-mcpu=xxx' (where xxx supports AltiVec), clear the
	flag_disable_opts_for_faltivec flag, move handling of
	'-m(no-)pim-altivec' (formerly '-m(no-)altivec-pim')
	before handling of -maltivec and -mcpu, and have it
	set MASK_ALTIVEC and flag_disable_opts_for_faltivec.
	* config/rs6000/rs6000.h (TARGET_SWITCHES): Move
	'-m(no-)altivec' to TARGET_OPTIONS.
	(TARGET_OPTIONS): Rename '-m(no-)altivec-pim' to
	'-m(no-)pim-altivec'; add in '-m(no-)altivec'.
	(rs6000_altivec_switch): New forward declaration.
	* doc/invoke.texi: Rename '-m(no-)altivec-pim' to
	'-m(no-)pim-altivec'; move description of disabled
	optimizations from '-faltivec' to '-mpim-altivec'.

2004-12-14  Stuart Hastings <stuart@apple.com>

	Radar 3910248
	* gcc/config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): ignore
	-mlongcall when -m64 in use.

2004-12-14  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3889727
	brought in fix for PR target/18641 from FSF
	below.

2004-12-11  David Edelsohn  <edelsohn@gnu.org>
	    Ulrich Weigand  <uweigand@de.ibm.com>

	PR target/18641
	* config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Reload all
	constants into all register classes intersecting with FLOAT_REGS
	via memory.
	* config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Same.
	* config/rs6000/rs6000.md (movdi_internal32): Ignore FPRs when
	choosing register preferences.
	(movdi_internal64): Same.

2004-12-13  Mike Stump  <mrs@apple.com>

	Radar 3865314
	* c-common.c (convert_and_check): Add support for -Wshorten-64-to-32.
	* c.opt (Wshorten-64-to-32): Likewise.
	* doc/invoke.texi (Warning Options): Likewise.
	* Makefile.in (c-common.o): Added dependancy for options.h.

2004-12-10 Devang Patel  <dpatel@apple.com>
	
	Radar 3572046 (related)
	* tree-ssa-forwprop.c (cast_conversion_assignment_p): New.
	(replace_use_in_cond_expr): New.
	(all_uses_are_replacable): New.
	(eliminate_unnecessary_casts): New.
	(tree_ssa_forward_propagate_single_use_var): Eliminate unnecessary
	casts.

2004-12-10 Devang Patel  <dpatel@apple.com>

	Radar 3572046 (last patch)
	* config/rs6000/rs6000.c (rs6000_emit_vector_select): Adjust
	vector select insn parameters.


2004-12-10  Devang Patel  <dpatel@apple.com>

	Radar 3893659
	* gcc.c (main): Do not break out of loop when error is reported while
	processing one source file.

2004-12-10  Ziemowit Laski  <zlaski@apple.com>

	Radar 3640156, 3877958
	* config/rs6000/altivec.h: Skip contents of file
	#ifdef __APPLE_ALTIVEC__, and issue a warning.
	* config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): Do not
	'include altivec.h' upon seeing '-faltivec'; instead, specify
	'-maltivec-pim'.
	* config/rs6000/rs6000-c.c: Include options.h.
	(rs6000_cpu_cpp_builtins): Define __APPLE_ALTIVEC__ and 'vec_step'
	macro only if '-maltivec-pim' has been specified.
	* config/rs6000/rs6000-protos.h (rs6000_fold_builtin): New prototype.
	* config/rs6000/rs6000.c (altivec_cov_rt_12, altivec_cov_rt_2p,
	altivec_cov_rt_1d, altivec_ovl_resolve, altivec_convert_args,
	rs6000_fold_builtin): New functions.
	(rs6000_altivec_inline_etc, rs6000_altivec_pim,
	rs6000_altivec_pim_switch): New variables.
	(rs6000_override_options): Handle '-m(no-)altivec-pim'.
	(vector_builtin_fns): Decorate with GTY(()) voodoo; do not reserve
	extra space for AltiVec PIM built-ins (since they won't be stored
	there.)
	(TARGET_FOLD_BUILTIN): Point at rs6000_fold_builtin().
	(enum pim_flags, struct altivec_pim_info): New data types.
	(altivec_pim_table): New global variable.
	(def_pim_builtin): New macro.
	(altivec_init_builtins): If '-maltivec-pim' was specified, define
	AltiVec PIM operations and predicates as built-ins.
	(rs6000_handle_altivec_attribute): Add handling for 'element__'
	argument, which returns the element type of the vector type passed in.
	* config/rs6000/rs6000.h (enum rs6000_builtins): Append a new range,
	ALTIVEC_PIM__FIRST... ALTIVEC_PIM__LAST, representing built-in codes
	for AltiVec PIM operations and predicates.
	(TARGET_OPTIONS): Add '-m(no-)altivec-pim' option.
	(rs6000_altivec_inline_etc, rs6000_altivec_pim,
	rs6000_altivec_pim_switch): Forward-declare.
	* config/rs6000/t-rs6000 (rs6000-c.o): Depend on options.h.
	* doc/invoke.texi: Update '-faltivec' description; add description
	for '-maltivec-pim'.

2004-12-08  Mike Stump  <mrs@apple.com>

	Radar 3679243
	* varasm.c (assemble_variable): Don't use .zerofill for weak
	symbols as it isn't supported in the assembler.  Also, key off
	!DECL_COMMON directly instead of flag_no_common so that C++ works.
	
2004-12-08  Devang Patel  <dpatel@apple.com>
	
	Radar 3903799
	* config/darwin.h (ASM_SPEC): Supply -force_cpusubtype_ALL.

2004-12-07  Dale Johannesen  <dalej@apple.com>

	Radar 3888787
	* doc/invoke.texi (-msoft-float):  Rewrite to reflect reality.

2004-12-07  Mike Stump  <mrs@apple.com>

	Radar 3603833, 3896176, 3518821.
	* c-common.c (cw_asm_operands_arg): New.
	(print_cw_asm_operand): Add support for figuring out if the
	argument must be a register or a memory reference.
	(cw_asm_get_register_var): Likewise.
	(cw_op_constraint): Likewise.
	(cw_op_comp): Likewise.
	(cw_constraint_for): Likewise.
	(cw_process_arg): Likewise.
	(cw_asm_stmt): Likewise.
	(print_cw_asm_operand): Likewise.
	(cw_asm_get_register_var): Likewise.
	(cw_memory_clobber): Add support for figuring out if the
	instruction needs a memory clobber.
	(cw_asm_stmt): Likewise.
	(print_cw_asm_operand): Add support for static duration variables.

	(cw_get_identifier): New.
	(cw_ha16, cw_hi16, cw_lo16): New.
	(get_cw_asm_label): Add support for ha16(x), hi16(x) and lo16(x).
	* c-common.h (cw_get_identifier): New.
	* c-parse.in (cw_identifier): Add support for '+', '-' and '.' in
	C CW opcodes to allow for a less tightly coupled lexer.
	(single_cw_asm_stmt): Likewise.
	(cw_asm_operand): Add support for ha16(x)(r).

	* doc/extend.texi (Asm Blocks and Functions): Document memory
	clobbers and instructions that take a memory operand.

2004-12-06  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3893215
	Following FSF mainline patch fixes it.

2004-11-11  Zdenek Dvorak  <dvorakz@suse.cz>

	PR tree-optimization/17742
	* tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle
	MINUS_EXPR correctly.

2004-12-03  Dale Johannesen  <dalej@apple.com>

	Radar 3905019
	* opts.c (common_handle_option):  Fix from mainline.

2004-12-03  Stuart Hastings <stuart@apple.com>

	Radar 3855246
	* gcc/config/rs6000/rs6000.c (init_cumulative_args): Remove APPLE LOCAL.
	* gcc/config/rs6000/rs6000.h (target_flags): Remove APPLE LOCAL.
	(TARGET_OPTIONS): Add -mlong-branch as a synonym for -mlongcall.

2004-12-03  Caroline Tice  <ctice@apple.com>
	    Andrew Pinski  <pinskia@physics.uc.edu>

	Radar 3469752 (Adding loops-to-memset optimization)
	* Makefile.in (OBJS-common): Add tree-ssa-loo-memset.o to list
	(tree-ssa-loop-memset.o): Add rule for making this.
	* bitmap.h (bitmap_empty_p):  New macro.
	* common.opt (ftree-loop-memset):  Add new flag for optimization.
	* tree-flow.h (tree_ssa_memset):  Add function declaration.
	* tree-optimize.c (init_tree_optimization_passes):  Add loops-to-memset
	pass.
	* tree-pass.h (pass_memset):  Add extern declaration for loops-to-memset
	pass.
	* tree-ssa-loop.c  (tree_ssa_loop_memset, gate_tree_ssa_loop_memset): New
	functions.
	(pass_memset):  Define new pass.
	* tree-ssa-loop-memset.c: New file.
	* tree-vectorizer.c (vect_is_simple_iv_evolution): Remove static
	forward declaration; make the function globally visible.
	(vect_get_loop_niters): Likewise.
	(vect_analyze_pointer_ref_access): Likewise.
	* tree-vectorizer.h (vect_is_simple_iv_evolution):  Add external function
	declaration.
	(vect_get_loop_niters): Likewise.
	(vect_analyze_pointer_ref_access): Likewise.

2004-12-02  Devang Patel  <dpatel@apple.com>

	Radar 3855723 and 3886718

	Backport from Mainline
	2004-12-02  Devang Patel  <dpatel@apple.com>
	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -gfull and -gused.
	* config/rs6000/darwin.h (CC1_SPEC): Do not handle -gfull and -gused.
	* config/i386/darwin.h (CC1_SPEC): Same.

2004-12-02  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3893215 - part 1
	* tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
	Added missing check for unknown evolution_of_loop.
	(from FSF mainline).

2004-11-30  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3893125
	* loop.c (loop_giv_reduce_benefit): Remove APPLE LOCAL
	patch which caused regression in galaxy(VMX) of skidmarks.

2004-11-24  Devang Patel  <dpatel@apple.com>

	* gcc.h: APPLE LOCAL marker cleanup.

2004-11-24  Devang Patel  <dpatel@apple.com>

	Radar 3876218
	* gcc.c (process_command): Supply -v to linker.

2004-11-23  Stan Shebs  <shebs@apple.com>

	* config.gcc (powerpc-*-darwin*): Remove bringup conditional.
	* mklibgcc.in: Don't try to make dylibs from static/kext
	libgcc.
	* config/t-slibgcc-darwin: Don't use SHLIB_MULTILIB.

2004-11-23  Devang Patel  <dpatel@apple.com>

	Radar 3886137
	* gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add isysroot.
	* config/darwin-c.c (darwin_register_frameworks): Use sysroot.

2004-11-22  Devang Patel  <dpatel@apple.com>

	Radar 3846092
	* doc/invoke.text: Remove outdated docs for -fscalar-evolutions and
	-fall-data-deps. Document not disabling of -fstrict-aliasing, when
	auto vectorization is used, in Apple GCC compiler.
	* opts.c (decode_options): Disable -fstrict-aliasing only if -ftree-vectorize
	is not used.

2004-11-22  Dale Johannesen  <dalej@apple.com>

	* config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION):  Conditionalize
	properly and comment.

2004-11-21  Dale Johannesen  <dalej@apple.com>

	* config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION):  Define.
	(TARGET_TERMINATE_DW2_EH_FRAME_INFO):  Remove dup definition.

2004-11-18  Dale Johannese  <dalej@apple.com>

	* lambda-code.c:  cosmetic changes to match mainline.

2004-11-17  Stuart Hastings <stuart@apple.com>

	Radar 3837835
	* cgraph.c: add "#include <function.h>".
	(dump_cgraph_node) Add uses_vector bit to dump.
	* cgraphunit.c:(altivec_infection, fndecl_uses_vector_p) New.
	(record_call_1) Set uses_vector.
	(cgraph_create_edges) Set uses_vector.
	(cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
	cgraph_decide_inlining_incrementally) Check for altivec_infection.
	* gcc/testsuite/lib/scantree.exp (diff-tree-dumps):
	Expand globbing of 't??' dumpfile names to include 'ipa'.

2004-11-16  Devang Patel  <dpatel@apple.com>

	Merge stuff from autovect-branch.

	2004-11-12  Devang Patel  <dpatel@apple.com>

	* optabs.c (vector_compare_rtx): Use COMPARISON_CLASS_P.

	2004-11-12  Devang Patel  <dpatel@apple.com>

	Backport from Mainline.

	2004-11-12  Sebastian Pop  <pop@cri.ensmp.fr>

	* tree-data-ref.c (analyze_subscript_affine_affine): Correctly
	compute the first overlapping iterations.

	2004-11-12  Devang Patel  <dpatel@apple.com>

	* tree-data-ref.c (compute_subscript_distance): Make externally visible.
	(build_class_dist_vector): Same.
	* tree-data-ref.h (compute_subscript_distance): New external decl.
	(build_class_dist_vector): Same.
	* tree-vectorizer.c (loops_num): New variable.
	(vect_build_dist_vector): New function.
	(vect_analyze_data_ref_dependence): Use distance vector to determine
	dependence.
	(vect_analyze_data_ref_dependences): Remove local variable loop.
	(vect_analyze_loop): Analyze operations before data dependences
	(vectorize_loops): Remove local variable loops_num.

	2004-11-12  Devang Patel  <dpatel@apple.com>

	* tree-vectorizer.c (vectorizable_select): New function.
	(vect_is_simple_cond): New function.
	(vect_analyze_operations): Handle conditional expr.
	* tree-vectorizer.h (stmt_vec_info_type): New member, select_vec_info_type.

2004-11-16  Dale Johannesen  <dalej@apple.com>

	* tree-ssa.c (flush_pending_stmts):  New.

2004-11-16  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.c (rs6000_override_options):
	Put -ftree-loop-linear into -fast.

2004-11-16  Dale Johannesen  <dalej@apple.com>

	* lambda-code.c:  Make identical to mainline as of
	Nov 11, plus Dan Berlin's patch for swim.
	* tree-loop-linear.c:  Make identical to mainline.
	* tree-data-ref.c:  Make identical to mainline as
	of Nov 11.
	* tree-optimize.c (init_tree_optimization_passes):
	Make order of passes same as mainline.
	* tree-ssa-loop-ivopts.c (try_add_cand_for):  Roll in
	Zdenek's patch for important candidates.

2004-11-16  Dale Johannesen  <dalej@apple.com>

	* fold-const.c (try_move_mult_to_index):  New.
	(fold):  Use it (2 places).

2004-11-16  Dale Johannesen  <dalej@apple.com>

	* tree.c (build_low_bits_mask):  New.
	tree.h:  Declare it.
	tree-ssa-loop-niter.c (number_of_iterations_cond):  Use it.

2004-11-16  Devang Patel  <dpatel@apple.com>

	Related to Radar 3837835.
	* tree-cfg.c (ivu_gate, fndecl_uses_vector_p, identify_vector_use,
	pass_identify_vector_use): Remove.
	* tree-optimzie.c (init_tree_optimization_passes): Remove pass_identify_vector_use.
	* tree-pass.h (pass_identify_vector_use): Remove extern decl.

2004-11-16  Caroline Tice  <ctice@apple.com>

	* varasm.c (assemble_start_function):  Don't print out section label
	when aligning cold section.

2004-11-16  Dale Johannesen  <dalej@apple.com>

	* dbxout.c (dbxout_source_file):  Restore local patch
	for hot/cold partitioning.

2004-11-16  Dale Johannesen  <dalej@apple.com>

	* calls.c (expand_call):  Fix ICE building crafty.

2004-11-15  Dale Johannesen  <dalej@apple.com>

	* profile.c (compute_branch_probabilities):  Roll in fix from mainline.

2004-11-15  Dale Johannesen  <dalej@apple.com>

	* tree-flow.h (stmt_bsi):  Remove.
	(basic_block bsi_insert_on_edge_immediate):  Remove duplicate decl.
	(tree_block_label):  Remove name in prototype.
	(add_referenced_tmp_var):  Ditto.
	(TDFA_USE_OPS):  Parenthesize.
	(TDFA_USE_VOPS):  Parenthesize.
	(flush_pending_stmts):  New.
	(tree_duplicate_loop_to_exit):  Remove.
	(update_lv_condition):  Ditto.
	(estimate_loop_size):  Ditto.
	(insert_edge_copies):  Remove name in prototype.
	(expr_invariant_in_loop_p):  Ditto.

2004-11-15  Dale Johannesen  <dalej@apple.com>

	* c-decl.c (find_tree_with_code_1):  Remove.
	(find_tree_with_code):  Ditto.
	(find_pointer):  Ditto.
	(struct should_transpose_for_loops_t):  Ditto.
	(should_transpose_for_loops_1):  Ditto.
	(should_transpose_for_loops):  Ditto.
	(tree_contains_1):  Ditto.
	(tree_contains):  Ditto.
	(perform_loop_transpose):  Ditto.
	(loop_transpose):  Ditto.
	(finish_function):  Don't call it.
	* common.opt (-floop-transpose):  Remove.
	* flags.h (flag_loop_transpose):  Remove.
	* opts.c (OPT_floop_transpose):  Remove.
	* toplev.c (flag_loop_transpose):  Remove.
	* config/rs6000/rs6000.c (rs6000_override_options):  Don't set it.
	* doc/invoke.texi (-fast):  Remove reference.
	* testsuite/gcc.apple/loop-transpose-1.c:  Remove.

2004-11-15  Matt Austern  <austern@apple.com>

	Radar 3878983
	* ginclude/tgmath.h (fdim) Use __TGMATH_REAL_2 macro.
	(hypot) Likewise.
	(remainder) Likewise.
	(nexttoward) Use proper number of arguments for TGMATH_REAL_1_2.

2004-11-11  Dale Johannesen  <dalej@apple.com>

	Radar 3875337
	* tree-cfg.c (cleanup_control_expr_graph):  Remove redundant
	local patch from LNO.
	(thread_jumps_from_bb):  Remove wrong local patch from LNO;
	make identical to mainline.
	(thread_jumps):  Make identical to mainline.

2004-11-11  Stuart Hastings <stuart@apple.com>

	* i386.md (*movqi_1): Short-term fix for 3838108.

2004-11-11  Stuart Hastings <stuart@apple.com>

	* tree.c (build_vector): Proper initialization for 'list'

2004-11-10  Fariborz Jahanian <fjahanian@apple.com>

	* c-common.c (vector_constructor_from_expr): Remove replication
	of missing initializer.
	* tree.c (build_vector): Replicate missing initializer.
	* cp/typeck.c (build_c_cast): Move building of vector constant
	past checking for processing of template declaration.

2004-11-08  Geoffrey Keating  <geoffk@apple.com>

	* gcc.c: Improve local markers.
	(process_command): Set __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
	rather than MAC_OS_X_VERSION_MIN_REQUIRED.

2004-11-08  Devang Patel  <dpatel@apple.com>

	Radar 3846514
	* tree-if-conv.c (clean_predicate_lists): Use loop header and latch
	directly.

2004-11-08  Ziemowit Laski  <zlaski@apple.com>

	Radar 3853429
	* varasm.c (output_addressed_constants): For CONST_DECLs,
	output the initializer if present.
	* config/darwin.c (machopic_select_section): Ensure that
	constant Objective-C strings and constant CFStrings get emitted
	into correct sections.

2004-11-05  Devang Patel  <dpatel@apple.com>

	Radar 3853509.
	* cp/parser.c (cp_parser_objc_method_prototype_list): Handle #pragma.
	(cp_parser_objc_class_interface): Get protocol qualified type.

2004-11-05  Stuart Hastings <stuart@apple.com>

	Radar 3848818
	* gcc/cfgcleanup.c(merge_memattrs): copied from FSF mainline.

2004-11-04  Dale Johannesen  <dalej@apple.com>

	* config/darwin.h (EXTRA_SECTION_FUNCTIONS):
	Fix text_unlikely_section.

2004-11-04  Dale Johannesen  <dalej@apple.com>

	Radar 3759876
	* config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall):  Enable
	indirect sibcalls.
	* config/rs6000/rs6000.md (*sibcall_symbolic):  Make them work.
	(*sibcall_value_symbolic):  Ditto.

2004-11-04  Dale Johannesen  <dalej@apple.com>

	* opts.c (decode_options):  Use mainline-style loop opts.

2004-11-04  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.md (*save_fpregs_with_label_si):
	Use any_parallel_operand to remove a warning.
	* config/rs6000/darwin.md (*save_fpregs_with_label_di):  Ditto.
	(*save_vregs_di):  Ditto.
	(*restore_vregs_di):  Ditto.
	(*save_vregs_with_label_di):  Ditto.

2004-11-04  Devang Patel  <dpatel@apple.com>

	Partial 3837835 fix.
	* function.h (struct function): New member, uses_vector.
	* tree-cfg.c (ivu_gate, fndecl_uses_vector_p, identify_vector_use,
	pass_identify_vector_use): New.
	* tree-optimzie.c (init_tree_optimization_passes): Add pass_identify_vector_use.
	* tree-pass.h (pass_identify_vector_use): New extern decl.

2004-11-04  Devang Patel  <dpatel@apple.com>

	Back out 3837840 fix.
	* c-opts.c (c_common_handle_option): Update APPLE LOCAL marker.
	* flags.h (flag_inline_trees): Remove extern decl.
	* toplev.c (process_optiosn): Do not disable inlining with -faltivec.

2004-11-03  Ziemowit Laski  <zlaski@apple.com>

	Radar 3863563 (fix from mainline)
	* c-lang.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Remove.
	(c_types_compatible_p): Move function definition...
	* c-objc-common.c (c_types_compatible_p): ...here.
	* c-objc-common.h (LANG_HOOKS_TYPES_COMPATIBLE_P): Moved here from
	c-lang.c.

2004-11-02  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3857727
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Remove
	setting of targetm.cast_expr_as_vector_init.
	* config/rs6000/rs6000.c (rs6000_override_options): Set
	targetm.cast_expr_as_vector_init.

2004-11-02  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3846637
	* config/rs6000/rs6000.md: Remove condition for
	HONOR_SIGNED_ZEROS from fnmsub generation.

2004-11-01  Ziemowit Laski  <zlaski@apple.com>

	Radar 2810013 (fix from mainline)
	* c-common.h (objc_lookup_ivar): Add second parameter to
	prototype.
	* c-typeck.c (build_external_ref): After looking up symbol,
	pass it to objc_lookup_ivar() to decide whether it or the
	ivar should be used, rather than deciding the issue locally.
	* stub-objc.c (objc_lookup_ivar): Add an OTHER parameter,
	which is simply returned in the non-ObjC case.

2004-10-29 Fariborz Jahanian <fjahanian@apple.com>

	Radar 3848842
	* cp/call.c (build_over_call): Don't change type of
	the function pointer built by call to build_vfn_ref_using_vtable.
	* testsuite/g++.dg/kext6.C: New test

2004-10-27  Geoffrey Keating  <geoffk@apple.com>

	* c-common.c (handle_weak_import_attribute): Delete.
	(c_common_attribute_table): Remove 'weak_import'.
	* c-decl.c (start_function): Remove local change for weak_import.
	* dbxout.c (dbxout_source_file): Remove local change for
	hot/cold partitioning, sync with FSF GCC.
	* dmp-tree.c (print_decl): Remove local change for weak_import.
	* idebug.c: Remove local change for weak_import.
	* rtl.h (struct rtx_def): Remove local change for weak_import.
	(SYMBOL_REF_WEAK_IMPORT): Delete.
	* tree.h (DECL_WEAK_IMPORT): Delete.
	(IDENTIFIER_WEAK_IMPORT): Delete.
	(struct tree_decl): Delete weak_import_flag.
	(enum attribute_flags): Delete ATTR_FLAG_FUNCTION_DEF.
	* varasm.c (merge_weak): Remove local change for weak_import.
	* config/darwin.c (machopic_output_indirection): Remove local change
	for weak_import.
	(darwin_set_section_for_var_p): Do nothing if symbol is weak.
	* config/rs6000/rs6000.c (find_weak_imports): Delete.
	(rs6000_assemble_integer): Remove local change for weak_import.
	(local_label_unique_number): Delete.
	(macho_branch_islands): Remove local change for weak_import.

2004-10-26  Geoffrey Keating  <geoffk@apple.com>

	Radar 3840704
	* c-opts.c (c_common_handle_option): Rename flag_altivec to
	flag_disable_opts_for_faltivec.
	* c.opt (faltivec): Likewise.
	* toplev.c (process_options): Likewise, and update comment.
	* config/rs6000/rs6000.c (expand_block_clear): Handle
	flag_disable_opts_for_faltivec.
	(expand_block_move): Likewise.

2004-10-26  Devang Patel  <dpatel@apple.com>

	Radar 3233789
	* dbxout.c (dbxout_init): Remove APPLE LOCAL patch that suppresses
	SO stab address.

2004-10-26  Devang Patel  <dpatel@apple.com>

	Radar 3760592

	Backport from mainline.
	2004-10-21  Dndrew Pinksi  <pinskia@physics.uc.edu>
	* c-opts.c (push_command_line_include): Use the current file
	name instead of the main one.

2004-10-26  Matt Austern  <austern@apple.com>

	* ginclude/tgmath.h (fabs): Fix typo (complex abs is cabs, not cfabs)

2004-10-22  Fariborz Jahanian <fjahanian@apple.com>

	* config/rs6000/darwin.md: Remove vecstore/vecload patterns
	specific to 64-bit Darwin.

2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
	    Ziemowit Laski  <zlaski@apple.com>

	Radar 3845826 (includes PR objc/17923)
	* tree.c (staticp): A CONST_DECL has static storage if either
	TREE_STATIC or DECL_EXTERNAL is set.
	* config/darwin.c (darwin_build_constant_cfstring): Build a global
	CONST_DECL to hold each constructed CFString.
	* c-decl.c (pushdecl_top_level): Accept CONST_DECLs which can
	have null names.

2004-10-21 Fariborz Jahanian <fjahanian@apple.com>

	* c-common.c (vector_constructor_from_expr): In building vector expressions,
	fold no_expr of nanf into a cst_real expression tree.

2004-10-21 Fariborz Jahanian <fjahanian@apple.com>

	* function.c (assign_parms): Iterate over all non-vector args first,
	then over vector args.

2004-10-21  Ziemowit Laski  <zlaski@apple.com>

	Radar 3540965
	* c-common.c (flag_objc_call_cxx_cdtors): New variable.
	* c-common.h (flag_objc_call_cxx_cdtors): New forward declaration.
	* c-opts.c (c_common_handle_option): Process '-fobjc-call-cxx-cdtors'
	option.
	* c.opt (fobjc-call-cxx-cdtors): New option.
	* doc/invoke.texi (fobjc-call-cxx-cdtors): Document.

2004-10-19  Devang Patel  <dpatel@apple.com>

	Radar 3837840
	* c-opts.c (c_common_handle_option): Update APPLE LOCAL marker.
	* c.opt (faltivec): Same.
	* toplev.c (process_options): Same.
	* config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE):
	Same.


2004-10-19  Devang Patel  <dpatel@apple.com>

	Radar 3837840
	* c-opts.c (c_common_handle_option): Handle OPT_faltivec.
	* c.opt (faltivec): New option.
	* toplev.c (process_options): Disable inlining when -faltivec
	is used.
	* config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE):
	Supply -faltivec to cc1* also.

2004-10-19  Fariborz Jahanian <fjahanian@apple.com>

	* c-common.c (cw_asm_stmt): Set correct constraint for
	vector arguments.

2004-10-18  Ziemowit Laski  <zlaski@apple.com>

	Radar 3832999 (fix from mainline)
	* c-parse.in (reservedwords): Add OBJC_TYPE_QUAL as alternative.

2004-10-18  Devang Patel  <dpatel@apple.com>

	Radar 3753408
	* Makefile.in (GTFILES): Remove APPLE LOCAL comments.
	* target-def.h (TARGET_VECTOR_COMPARE_P, TARGET_VECTOR_COMPARE_FOR_P,
	TARGET_VECTOR_COMPARE_STMT, TARGET_VECTOR_SELECT_P,
	TARGET_VECTOR_SELECT_FOR_P, TARGET_VECTOR_SELECT_STMT): Remove #defines.
	(TARGET_VECT): Remove vector select and compare members.
	* target.h (struct gcc_target): Remove vector select and
	compare members.
	* tree-dfa.c (dump_immediate_uses_for): Do not print block number.
	* tree-gimple.c (is_gimple_stmt): Handle COND_EXPR properly.
	* tree-ssa-operands.c (add_vdef): Remove.
	(build_ssa_operands): Remove local patch to handle COND_EXPR inside
	MODIFY_EXPR case.
	(get_expr_operands): Same.
	* tree.c (get_array_base): Remove.
	* config/rs6000/rs6000.c (rs6000_vector_compare_p,
	rs6000_vector_compare_for_p, rs6000_vector_compare_stmt,
	rs6000_vector_select_p, rs6000_vector_select_for_p,
	rs6000_vector_select_stmt, get_vector_compare_for,
	get_vector_select_for): Remove.
	(TARGET_VECTOR_COMPARE_P, TARGET_VECTOR_COMPARE_FOR_P,
	TARGET_VECTOR_COMPARE_STMT, TARGET_VECTOR_SELECT_FOR_P,
	TARGET_VECTOR_SELECT_STMT): Remove #defines.

2004-10-16  Dale Johannesen  <dalej@apple.com>

	* c-common.c (c_common_get_alias_set):  Use GGC for type_hash_table.

2004-10-15  Dale Johannesen  <dalej@apple.com>

	* objcp/objcp-lang.c (tree_code_type):  Fix merge omission.

2004-10-15  Mike Stump  FIXME

	merge

2004-10-15  Stuart Hastings <stuart@apple.com>

	* gcc/simplify-rtx.c(simplify_relational_operation): copied from FSF mainline.

2004-10-15  Stuart Hastings <stuart@apple.com>

	* gcc/c-common.c(print_cw_asm_operand): proper casting.
	* gcc/expr.c(expand_expr_addr_expr): delete problematic assertions.

2004-10-14  Robert Bowdidge <bowdidge@apple.com>

	* config/darwin-driver.c: Remove off-by-one error in QA_OVERIDE...
	  machinery.

2004-10-15  Fariborz Jahanian <fjahanian@apple.com>

	Radar 3719208
	* stor-layout.c (update_alignment_for_field): Don't use
	first-field alignment adjustment for union.

2004-10-13  Ziemowit Laski  <zlaski@apple.com>

	Radar 3677258
	* c-decl.c (struct lang_identifier): Move definition to c-tree.h.
	* c-tree.h (struct lang_identifier): Moved here from c-decl.c;
	add 'interface_value' field.
	(C_SIZEOF_STRUCT_LANG_IDENTIFIER): Update to reflect increased size.

2004-10-11  Caroline Tice  <ctice@apple.com>

	* passes.c (rest_of_compilation):  Move hot/cold partitioning to
	occur after scheduling (and SMS), but still before register
	allocation.

2004-10-10  Dale Johannesen  <dalej@apple.com>

	* alias.c (write_dependence_p):  Refs to same FE object interfere.

2004-09-29  Stan Shebs  <shebs@apple.com>

	* config/darwin.h (REAL_LIBGCC_SPEC): Add non-shared libgcc case for
	use during 64-bit bringup.

2004-09-27  Robert Bowdidge  <bowdidge@apple.com>

	* opts.c: Remove QA_OVERRIDE_GCC3_OPTIONS machinery.
	* config/darwin-driver.c: Reimplement QA_OVERRIDE_GCC3_OPTIONS in
	driver-driver.

2004-09-27  Dale Johannesen  <dalej@apple.com>

	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Roll in fix from mainline.

2004-09-26  Caroline Tice  <ctice@apple.com>
	    Dale Johannesen  <dalej@apple.com>

	* value-prof.c (insn_prefetch_values_to_profile):
	Don't instrument clobbers.

2004-09-26  Dale Johannesen  <dalej@apple.com>

	* gcc.c (default_compilers): Handle -fast, -fastcp same as -fast.
	(process_command): Make -fastf, -fastcp imply -combine.
	* tree-ssa-loop-ivopts.c (find_interesting_uses_stmt):  Roll in
	fix from mainline.
	* print-rtl.c (print_rtx):  Print REG_NOTES right (from mainline).

2004-09-24  Dale Johannesen  <dalej@apple.com>

	Radar 3811274
	PR 17625
	* loop-doloop.c (doloop-modify): roll in fix from FSF.

2004-09-23  Stan Shebs  <shebs@apple.com>

	* Makefile.in: Use --print-multi-lib to collect
	compiled-in multilibs.
	* config.gcc: Add in a Darwin 8.x makefile fragment.
	* fixinc.in: Bandaid for a missing __ppc64__ in limits.h
	* config/rs6000/t-darwin8: New file, adds -m64 multilib.

2004-09-23  Devang Patel  <dpatel@apple.com>

	Radar 3765210.
	* gcc.c (main): Handle -E when combine_flag is set.

2004-09-22  Stan Shebs  <shebs@apple.com>

	* config/darwin.h (STARTFILE_SPEC): Don't link in crt2.o if -m64.

2003-09-21  Matt Austern  <austern@apple.com>

	Radar 3807942, backported from FSF mainline
	* config/darwin.c (darwin_make_decl_one_only)
	Allow coalesced symbol to appear in static archive's table of contents

2004-09-17  Devang Patel  <dpatel@apple.com>

	* gcc.c: Use .gch extension instead of .pch.

2004-09-13  Dale Johannesen  <dalej@apple.com>

	Radar 3793575
	* c-decl.c (start_decl):  Fix from mainline (PR 17408).

2004-09-13  Andrew Pinski  <apinski@apple.com>

	Part of radar 3753405 and all of 3767339
	* Makefile.in (c-parse.y): Remove ifcwasm as it is no longer used.
	* objc/Makefile.in (objc/objc-parse.y): Likewise.
	* c-parse.in: Remove all of @@ifcwasm.  Remove all of the MERGE FIXME
	comments as they are fixed.
	(cw_asm_expr_no_commas, cw_asm_unary_expr, cw_asm_primary,
	cw_asm_operand): Change type to be exprtype.
	(cw_asm_compstmt_nostart): Remove type.
	(single_cw_asm_stmt): For cw_asm_operand use .value for the third
	argument of cw_asm_entry.
	(cw_asm_compstmt_start): Remove increment of compstmt_count.
	Call c_begin_compound_stmt always and pass true.
	(cw_asm_compstmt_nostart): Just set cw_asm_block to zero.
	(cw_asm_compstmt): Call c_end_compound_stmt.
	(cw_nonnull_asm_operands): use .value for the exprtype.
	(cw_asm_operand): Set .value to cw_asm_build_register_offset
	and .original_code to ERROR_MARK.
	(stmt_nocomp): For cw_asm_compstmt and cw_asm_stmt, call
	c_finish_expr_stmt.
	(cw_asm_expr_no_commas): Remove extraneous curly braces.
	Update return exprtype instead of just a tree.
	(cw_asm_unary_expr): Likewise.
	(cw_asm_primary): Likewise.
	* c-typeck.c (cw_asm_c_build_component_ref): Change build2 to build3 and
	add NULL as the last argument for COMPONENT_REF.

2004-09-10  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/power4.md: Increase store latency (mainline).

2004-09-08  Stan Shebs  <shebs@apple.com>

	* config/rs6000/darwin-worldsave.asm: Remove, no longer used.

2004-09-07  Caroline Tice  <ctice@apple.com>

	* cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
	EDGE_CROSSING, to flags test case.

2004-08-31  Devang Patel  <dpatel@apple.com>

	* config/darwin-driver.c (get_arch_name): Replace abort() with
	fatal("message").
	(get_driver_name): Same.

2004-08-30  Fariborz Jahanian <fjahanian@apple.com>

	* c-common.c (vector_constructor_from_expr): Adapt to new representation
	of comma-expression in c.

2004-08-29  Andrew Pinski  <apinski@apple.com>

	* loop-doloop.c (add_test): Take the mainline change.
	* loop-invariant.c (find_exits, find_invariants_bb): Take the
	mainline change, use CALL_P.
	* tree-alias-common.c (HAVE_BANSHEE): Take the mainline change.
	* tree-into-ssa.c (compute_global_livein): Take the mainline
	reformatting.
	* tree-pretty-print.c: Remove include for tree-chrec.h as it is
	there later on.
	* tree-ssa-loop-ivopts.c (zero_p): Make static.
	* tree-ssa-loop-niter.c (zero_p): Add back, take the mainline change.
	(number_of_iterations_exit): Take the mainline change for getting
	a boolean false.
	(MAX_ITERATIONS_TO_TRACK): Take the mainline change as it is now
	configurable.
	(struct nb_iter_bound): Take the mainline comment changes.
	* tree-ssa-loop-prefetch.c (zero_p): Add to minimize changes
	from the mainline.
	* tree-ssa-loop.c (gate_loop): Take the mainline changes as we
	want the gate so we can turn them on and off easier.
	* tree.h (struct tree_phi_node, rewritten): Take the mainline change
	as there are no other integer fields in this struct.
	(build_vector_type): Remove duplicated prototype.
	(zero_p): Remove prototype.

	* timevar.c (ppc_intrinsic_time): Correct definition and
	make static.  Cast __mftbu to unsigned.

2004-08-28  Andrew Pinski  <apinski@apple.com>

	* config.in: Regenerate.

2004-08-23  Richard Henderson  <rth@redhat.com>
	    Andrew Pinski  <apinski@apple.com>

	* gimplify.c (gimplify_array_ref_to_plus): Delete.
	(gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
	for ARRAY_REF.

	* config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
	ARRAY_REF also to get to the STRING_CST.

2004-08-24  Stan Shebs  <shebs@apple.com>

	* Makefile.in (libgcc.mk): Add ppc64 and ppc64_static libraries.
	(libgcc.a): Move libraries so they will be found in testing.
	* config/darwin.h (REAL_LIBGCC_SPEC): Add -m64 cases.
	* config/darwin7.h (LIB_SPEC): Add -m64 -static case.

	* calls.c (emit_call_1): Use Pmode instead of SImode in Apple local
	indirect call code.
	(expand_call): Likewise.

2004-08-23  Stan Shebs  <shebs@apple.com>

	* config/rs6000/rs6000.c (rs6000_emit_prologue): Add 64-bit
	cases to optimizations for FP save and picbase setup.
	(rs6000_emit_epilogue): Adjust the LR save offset to be correct
	for 64-bit frames.

2004-08-22  Stan Shebs  <shebs@apple.com>

	* config/darwin-driver.c (arch_config): Add ppc64.
	(add_arch_options): Similarly.

2004-08-22  Andrew Pinski  <apinski@apple.com>

	PR c/15262
	* c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
	expression is not constant.
	(c_finish_return): Do not go through INDIRECT_REF when looking
	for the inner expression of an ADDR_EXPR for warning about.

	PR tree-opt/17138
	* tree-ssa-loop-ivopts.c (peel_address): Handle REALPART_EXPR
	and IMAGPART_EXPR.

2004-08-20  Stan Shebs  <shebs@apple.com>

	* config/rs6000/darwin.h (DARWIN_ARCH_LD_SPEC): Pass -arch ppc64
	to linker if -m64.
	(DARWIN_ARCH_ASM_SPEC): Similarly.

2004-08-20  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.c (rs6000_rtx_costs):  Fix from mainline.

2004-08-19  Dale Johannesen  <dalej@apple.com>

	* c-decl.c (implicitly_declare): Reduce error to warning when
	disable_typechecking_for_spec_flag is on.

2004-08-18  Ziemowit Laski  <zlaski@apple.com>

	Radar 3753413
	* config/darwin.c (darwin_build_constant_cfstring): Strip NOP_EXPRs
	and dereference string literal argument; mark the ADDR_EXPR of
	each constant CFString TREE_CONSTANT to squash initializer warnings.

2004-08-18  Devang Patel  <dpatel@apple.com>

	* config/darwin-driver.c (verbose_flag): New.
	(do_lipo): Interpret -v.
	(main): Set verbose_flag.

2004-08-18  Dale Johannesen  <dalej@apple.com>

	* tree-cfg.c (tree_block_ends_with_call_p):  Fix comments.
	(tree_block_ends_with_condjump_p):  Ditto.

2004-08-18  Matthew Sachs  <msachs@apple.com>

	* Merge from mainline.

2004-08-17  Devang Patel  <dpatel@apple.com>

	* config/darwin-driver.c (main): Do not handle -x separately.

2004-08-16  Robert Bowdidge  <bowdidge@apple.com>

	* Add -mdynamic-no-pic to Darwin-specific options

2004-08-16  Caroline Tice  <ctice@apple.com>

	Add hot/cold partitioning update that was accepted in FSF Mainline.
	* varasm.c (text_section): Remove alignment statement.
	(assemble_start_function): Remove APPLE LOCAL markers from code
	added to FSF mainline;  Add code to properly align cold section at
	start of function.

2004-08-16  Devang Patel  <dpatel@apple.com>

	Merge from mainlne.
	2004-08-16  Devang Patel  <dpatel@apple.com>

	* c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
	* print-tree.c (print_node): Print DECL_PRESERVE_P.
	* target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
	(TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
	* target.h (struct gcc_target): New member, mark_decl_preserved.
	* hooks.c (hook_void_charptr): Rename to ...
	(hook_void_constcharptr): ... new name.
	* hooks.h (hook_void_charptr): Rename to ..
	(hook_void_constcharptr): ... new name.
	* tree.h (DECL_PRESERVE_P): New #define.
	(struct tree_decl): New member, preserve_flag.
	* varasm.c (assemble_start_function): Mark decl preserved.
	(assemble_variable): Same.
	* darwin.c (darwin_mark_decl_preserved): New function.
	* darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
	* darwin-protos.h (darwin_mark_decl_preserved): New decl.
	* doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.

2004-08-13  Matt Austern  <austern@apple.com>

	Radar 2872232
	* ginclude/tgmath.h: New file.
	* Makefile.in: Add tgmath.h to list of installed headers.

2004-08-13  Devang Patel  <dpatel@apple.com>

	Radar 3729261. Reviewed by Dale.
	* dbxout.c (get_lang_number): New.
	(dbxout_init): Include lang number in N_SO  stab.
	* dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
	N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.

2004-08-13  Devang Patel  <dpatel@apple.com>

	Merge from mainline. Radar 3739309.
	2004-08-11  Devang Patel  <dpatel@apple.com>

	* dbxout.c (dbxout_begin_prologue): New function.
	(dbx_debug_hooks): Use new begin prologue hook.
	(dbxout_function_end): Emit N_ENSYM.
	* stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.

2004-08-13  Devang Patel  <dpatel@apple.com>

	Merge from mainline. Radar 3739302.
	2004-08-10  Devang Patel  <dpatel@apple.com>

	* config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
	and -no_dead_strip_inits_and_terms.
	(LINK_SPEC): Same.
	* doc/invoke.text (Darwin Options): Document -dead_strip and
	-no_dead_strip_inits_and_terms.

2004-08-12  Stan Shebs  <shebs@apple.com>

	Basic support for 64-bit Darwin.
	* config/darwin.c (macho_indirect_data_reference): Add DImode case.
	(machopic_legitimize_pic_address): Similarly, plus use Pmode
	instead of SImode.
	* config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
	(TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
	(SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
	(SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
	(PROCESSOR_DEFAULT64): Define.
	* config/rs6000/darwin.md: New file, patterns specific to 64-bit
	Darwin.
	* config/rs6000/rs6000.md: Include darwin.md.
	(builtin_setjmp_receiver): Add DImode case.
	* config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
	Darwin.
	(TARGET_ASM_ALIGNED_DI_OP): Ditto.
	(rs6000_emit_move): Add DImode case to Darwin bits.
	(machopic_output_stub): Use .quad if 64-bit.
	* invoke.texi: Document -m32 and -m64.

2004-08-12  Dale Johannesen  <dalej@apple.com>

	* c-decl.c (diagnose_mismatched_decls): Improve
	-fdisable-typechecking-for-spec.

2004-08-12  Dale Johannesen <dalej@apple.com>

	* gcc.c (default_compilers): Handle -fast same as -combine.
	(process_command): Make -fast imply -combine.
	* tree-scalar-evolution.c (number_of_iterations_in_loop):
	Don't compute iteration count for multiple-exit loops.
	* config/rs6000/rs6000.c (rs6000_rtx_costs): Replace from mainline.

2004-08-10  Devang Patel  <dpatel@apple.com>

	Remove Symbol Separation.
	Radar 3555440. Reviewed by Mike Stump.
	* c-common.c (cb_restore_write_symbols, cb_clear_write_symbols,
	cb_start_symbol_repository, cb_end_symbol_repository,
	cb_is_builtin_identifier). Remove.
	(debug.h): Do not include.
	* c-common.h  (dbg_dir): Remove.
	(dbg_ss_init, c_common_write_context, cb_clear_write_sybols,
	cb_restor_write_symbols, cb_start_symbol_repository, c_valid_cinfo,
	cb_end_symbol_repository, cb_is_builtin_identifier): Remove extern
	decls.
	* c-lex.c (init_c_lex): Do not set up symbol separation call backs.
	(c_common_write_context): Remove.
	* c-objc-common.c (c_objc_common_finish_file): Do not write context.
	* c-opts.c (dbg_dir): Remove.
	(c_common_handle_option): Remove symbol separation option handling.
	(c_common_parse_file): Do not initialize symbol repository.
	* c.opt (Winvalid-sr, fsave-repository=): Remove.
	* dbxout.c (dbxout_restore_write_symbols, dbxout_clear_write_symbols,
	dbxout_start_symbol_repository, dbxout_end_symbol_repository) Remove.
	(dbx_debug_h): Remove symbol separation hoooks.
	(xcoff_debug): Same.
	* debug.c (do_nothing_): Remove symbol separation hooks.
	* debug.h (gcc_debug_hooks): Same.
	* dwarf2out.c (dwarf2_debug): Same.
	* flags.h (orig_write_symbols, flag_grepository): Same.
	* gcc.c (pch): Remove fsave-repository support.
	(cc1_options): Same.
	(asm_options): Same.
	(default_compilers): Same.
	(option_map): Same.
	(dbg_ss): Remove.
	(static_specs): Remove dbg_ss.
	* opts.c (orig_write_symbols, flag_grepository): Remove.
	(set_debug_level): Remove symbol separation support.
	* doc/invoke.texi: Remove symbol separation documentation.

2004-08-09  Geoffrey Keating  <geoffk@apple.com>

	* ginclude/stdarg.h: Remove APPLE LOCAL change.
	* ginclude/varargs.h: Likewise.

2004-08-08  Dale Johannesen  <dalej@apple.com>

	* c-common.c (c_common_get_alias_set): Fixes from mainline.
	* toplev.c: Ditto.
	* tree.h: Ditto.
	* coverage.c (tree_coverage_counter_ref): Ditto.
	* tree-cfg.c (tree_block_ends_will_call_p): Ditto.
	(tree_block_ends_with_condjump_p): Ditto.

2004-08-08  Andrew Pinski  <apinski@apple.com>

	* c-objc-common.c (c_objc_common_init): Remove APPLE LOCAL for setting -gused
	by default as it is handled in CC1_SPECs now.
	* opts.c (set_debug_level): Remove the handling of -gused and -gfull as they
	are already handled in CC1_SPECs.
	* config/rs6000/darwin.h (CC1_SPEC): Change the APPLE LOCAL tag to be what is
	really local now.

2004-08-06  Dale Johannesen  <dalej@apple.com>

	* c-typeck.c (tagged_types_tu_compatible_p): Fix from mainline.

2004-08-06  Andrew Pinski  <apinski@apple.com>

	* config/darwin.h: Fix misplaced #endif which came in via the merge.

2004-08-04  Fariborz Jahanian <fjahanian@apple.com>

	c-common.c (vector_constructor_from_expr): Treat all constant
	vector expression tree as a constant tree.

2004-08-03  Stan Shebs  <shebs@apple.com>

	Support for CodeWarrior-style assembly language blocks and
	functions. Radar 3368707.

	* c.opt (-fasm-blocks): New option.
	* c-common.h (enum cw_asm_states): New enum, state values.
	* c-tree.h: Declare some functions.
	* c-common.c (flag_cw_asm_blocks): New flag.
	(cw_asm_states, cw_asm_in_decl, cw_asm_block, cw_asm_at_bol,
	cw_asm_in_operands, cw_asm_labelno, cw_asm_buffer,
	cw_asm_operands, cw_asm_labels, cw_asm_labels_uniq): New globals.
	(cw_asm_default_function_conversion, cw_asm_stmt,
	cw_asm_field_offset, cw_asm_field_offset, print_cw_asm_operand,
	cw_asm_get_register_var, cw_asm_reg_name, cw_asm_label,
	get_atsign_identifier, clear_cw_asm_labels, get_cw_asm_label,
	cw_asm_build_register_offset, cw_asm_entry): New functions.
	c-decl.c: (grokdeclarator): Recognize asm keyword, set flag
	on function decl if seen.
	(start_function): Change asm state to expect local decls.
	(lookup_struct_or_union_tag): New function.
	c-lex.c (cw_asm_saved_token, c_lex_depth): New globals.
	(c_lex_with_flags): Add state machine to return BOL and EOL
	tokens at appropriate moments, return CPP_ATSIGN as its own
	token if in asm block.
	c-opts.c (c_common_handle_option): Recognize -fasm-blocks.
	c-parse.in: Add rules for parsing CW asm blocks.
	(CW_ASM_KEYWORD, CW_ASM_BOL, CW_ASM_EOL): New tokens.
	(cw_asm_expr_no_commas, cw_asm_unary_expr, cw_asm_primary,
	cw_asm_operands, cw_nonnull_asm_operands, cw_asm_operand, cw_asm_stmt,
	single_cw_asm_stmt, cw_asm_compstmt, cw_asm_compstmt_start,
	cw_asm_compstmt_nostart): New nonterminals.
	(lineno_decl): Flag no longer in decls part.
	(scspec): Add CW_ASM_KEYWORD.
	(stmt): Add cw_asm_compstmt and cw_asm_stmt alternatives.
	(yylexname): Detect asm functions and return CW_ASM_KEYWORD.
	(_yylex): Return '@' as token if CW asm, return BOL/EOL.
	c-typeck.c (build_external_ref): Handle asm register names
	and labels specially.
	(cw_asm_typename_or_reserved, cw_asm_c_build_component_ref):
	New functions.

	* function.h (struct function): New fields cw_asm_function,
	cw_asm_noreturn, cw_asm_frame_size.
	* tree.h (DECL_CW_ASM_FUNCTION, DECL_CW_ASM_NORETURN,
	DECL_CW_ASM_FRAME_SIZE): New macros.
	(struct tree_decl): New fields cw_asm_function_flag,
	cw_asm_noreturn_flag, cw_asm_frame_size.
	* config/darwin.h (CW_ASM_SPECIAL_LABEL): Define.
	* config/darwin-protos.h (darwin_cw_asm_special_label): Declare.
	* config/darwin.c (darwin_cw_asm_special_label): New function.
	* rs6000/rs6000-protos.h (rs6000_cw_asm_register_name): Declare.
	* rs6000/rs6000.c (rs6000_cw_asm_register_name): New function.
	* rs6000/rs6000.h (CW_ASM_REGISTER_NAME): Define.
	* scan-decls.c (flag_cw_asm_blocks, etc): Dummy definitions.

	* doc/extend.texi, doc/invoke.texi: Document.

2004-08-01  Geoffrey Keating  <geoffk@apple.com>

	* config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
	if trying to *store* to a non-offsettable address.
	* config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
	a nonoffsettable address.
	(movdi_internal32): Don't move GPRs to a nonoffsettable address.
	Clean up.
	(movti_string): Don't move GPRs to a nonoffsettable address.
	(movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.

2004-08-01  Devang Patel  <dpatel@apple.com>

	 Re-implement -fwritable-strings support.
	 Radar : 3699482

	* c-common.c (fix_string_type): Check flag_writable_strings.
	(fix_string_type): Likewise.
	* c-opts.c (set_std_c89): Initialize flag_writable_strings.
	(set_std_c99): Likewise.
	* common.opt (fwritable-strings): Add.
	* flags.h: Add the external declaration of
	flag_writable_strings.
	* opts.c (common_handle_option) <OPT_fwritable_strings>:
	Add.
	* toplev.c (flag_writable_strings): Add.
	(f_options): Add an entry for writable-strings.
	* varasm.c (const_hash_1) <STRING_CST>: Check
	flag_writable_strings.
	(compare_constant) <STRING_CST>: Likewise.
	(build_constant_desc): Likewise.
	* config/darwin.c (machopic_select_section): Likewise.
	* doc/invoke.texi (-fwritable-strings): Add.
	(-fno-const-strings): Document -fwritable-strings.
	* doc/trouble.texi: Document -fwritable-strings.

2004-08-01  Geoffrey Keating  <geoffk@apple.com>

	* c-common.c (warn_long_double): Remove.
	(warn_about_long_double): Remove.
	* c-common.h (warn_long_double): Remove.
	(warn_about_long_double): Remove.
	* c-decl.c (grokdeclarator): Don't call warn_long_double.
	* c-opts.c (c_common_handle_option): Remove case for OPT_Wlong_double.
	* doc/invoke.texi: Don't document -Wlong-double.

2004-07-30  Geoffrey Keating  <geoffk@apple.com>
	    Fariborz Jahanian <fjahanian@apple.com>

	* config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
	non-offsettable addresses even for DImode.
	(rs6000_split_multireg_move): Cope with non-offsettable addresses
	being moved into multiple GPRs.

	* config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
	to 64.
	(rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
	* config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
	to 128.
	* config/rs6000/darwin-ldouble.c (isless): New macro.
	(inf): New macro.
	(nonfinite): New macro.
	(FPKINF): Delete.
	(_xlqadd): Completely rewrite.
	(_xlqmul): Correct overflow handling.
	(_xlqdiv): Correct overflow handling.
	* config/rs6000/darwin-ldouble-format: New file.

2004-07-30  Matt Austern  <austern@apple.com>

	* config/darwin-c.c (darwin_pragma_call_on_load): Deprecate.
	(darwin_pragma_call_on_unload): Likewise.

2004-07-15  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c: Add brief description at the beginning.
	(is_appropriate_for_if_conv): Rename to ..
	(if_convertable_loop_p): ... new name.
	(bb_with_exit_edge): Rename to ..
	(bb_with_exit_edge_p): ... new name.
	(make_cond_modify_expr): Update comment before function body.
	(replace_phi_with_cond_modify_expr): Same.
	(tree_if_convert_stmt): Same. Use new fn name, bb_with_exit_edge_p.
	(if_convertable_loop_p): New function name. Remove some dead code.
	(collapse_blocks): Update comment before function body. Format code.
	Use bb_with_exit_edge_p.
	(tree_if_conversion): Move this function body at the end of file.
	(handle_siblint_pattern): Update comment before function body.
	(fold_sibling_stmts): Same. Update dump info.

2004-07-14  Devang Patel  <dpatel@apple.com>

	* target.h (gcc_target): Additional parameter for
	support_vector_compare_for_p.
	* tree-if-conv.c (handle_sibling_pattern): New.
	(fold_sibling_stmts): New.
	(make_cond_modify_expr): Dump debugging info.
	(tree_if_convert_stmt): Same.
	(is_appropriate_for_if_conv): Remove filters that eliminated
	loops becase of memory tags and difficult dominance relation.
	(collapse_blocks): Handle memory tags.
	(tree_if_conversion): Optimize sibling statements.
	* tree-vectorizer.c (vect_init_vector): Additional parameter.
	(vect_get_vec_def_for_operand): Supply vectype to vect_init_vector().
	(vect_init_vecotr): Use input parameter vectype.
	(vect_transform_compare): Fix type in dump info.
	(vect_transform_select): Handle ARRAY_REF as scalar dest. Handle
	NOP_EXPR as an operand.
	(vect_is_supportable_compare): Use operand's type to decide
	second vector type for support_vector_compare_for_p().
	(vect_is_supportable_select): Fix typo. Allow SSA_NAME as 2nd
	operand.
	(exist_non_indexing_operands_for_use_p): Handle conditional modify
	expr.
	config/rs6000/rs6000.c (rs6000_vector_compare_for_p): New parameter.
	(get_vector_compare_for): New parameter. Use it to find appropriate
	builtin.

2004-06-26  Fariborz Jahanian <fjahanian@apple.com>

	* gcc.c: Don't use -fpredictive-compilation when
	-fpreprocessed appears on command line.

2004-07-01  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c (mark_vdefs_vuses_for_rename): New function.
	(make_ifcvt_temp_variable): Mark vdefs and vuses for renaming.

2004-07-01  Devang Patel  <dpatel@apple.com>

	Radar 3236762
	* config/darwin-driver.c (do_lipo): Do not supply -arch <arch_name>
	to lipo.

2004-06-29  Andrew Pinski  <apinski@apple.com>

	* c-decl.c (perform_loop_transpose): Save chain of right_before_inner_loop
	and set to NULL.  Restore the chain before rejecting the loop.

2004-06-29  Dorit Naishlos <dorit@il.ibm.com>

	* tree-vectorizer.c (vect_create_data_ref) INDIRECT_REF check moved to
	analysis. Redundant checks removed.
	(vect_analyze_data_refs): Make sure we have a mem_tag.
	(vect_transform_loop): Make sure that we have a preheader bb.
	(vect_init_vector): Insert on preheader edge instead of using bsi.
	(vect_finish_stmt_generation_in_preheader): Now that a preheader bb is
	created before vectorizing stmts, we do not expect a new bb to be
	created (thereofore, abort instead of add_bb_to_loop).
	* config/rs6000/rs6000.c (rs6000_build_vmul_uch): Likewise.
	(rs6000_build_vector_init): Likewise. Also replace mark_call_clobbered
	with direct setting of DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL.

2004-06-28  Devang Patel  <dpatel@apple.com>

	* Makefile.in (tree-ssa-loop-manip.o): Depend on tree-scalar-evolution.h
	* tree-if-conv.c (collapse_blocks): Use release_phi_node instead of
	remove_phie_node.
	* tree-ssaname.c (make_ssa_name): Re-enable free_ssanames.
	(release_ssa_name): Same.
	* tree-scalar-evolution.c (scev_reset): Check current_loops and
	scalar_evolution_info.
	* tree-ssa-loop-manip.c (tree-scalar-evolution.h): Include.
	(tree_duplicate_loop_to_header_edge): Call scev_reset().

2004-06-28  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c (make_ifcvt_temp_variable): Fix formatting.

2004-06-28  Devang Patel  <dpatel@apple.com>

	* tree-if-conv.c (make_ifcvt_temp_variable): Add new parameter for
	original stmt. Update new statement's vuse approritatly based on
	original stmt.
	(make_cond_modify_expr): Supply current statement as additional
	parameter to make_ifcvt_temp_variable call.
	(tree_if_convert_stmt): Same.
	(replace_phi_with_cond_modify_expr): Update vuse and vdefs.
	(is_appropriate_for_if_conv): Lift, first phi node needs to be constant
	node, restriction.
	* tree-ssa-operands.c (add_vdef): New function.
	* tree-ssa-operands.h (add_vdef): Same.

2004-06-25  Mike Stump  <mrs@apple.com>

	* objcp/Make-lang.in (objcp/objcp-parse.y): Update to use
	move-if-change from top directory.

2004-06-25  Stuart Hastings <stuart@apple.com>

	Radar 3680191
	* gcc/tree-nested.c: Cast STACK_BOUNDARY for portability.
	* gcc/config/i386/i386.c (output_pic_addr_const): Stubify optimized symbols.
	* gcc/target-def.h: (TARGET_BECT_BUILD_VECTOR_INIT) Initialize correctly.

2004-06-25  Dale Johannesen  <dalej@apple.com>

	* objc/Make-lang.in: use $(srcdir)/../move-if-change.

2004-06-25  Dale Johannesen  <dalej@apple.com>

	* Makefile.in: replace $(SHELL) ${srcdir}/mkinstalldirs
	with $(mkinstalldirs) throughout.

2004-06-25  Stuart Hastings <stuart@apple.com

	Radar 3690727
	* gcc/config/rs6000/rs6000.md:  Add missing APPLE LOCAL markers.
	* gcc/config/t-darwin.h: Ditto.
	* gcc/ChangeLog.apple-ppc: Minor formatting cleanup.

2004-06-24  Dale Johannesen  <dalej@apple.com>

	Radar #: 3696823, 3673318, 3672998
	Roll in changes from mainline:
	* config/rs6000/rs6000.c (legitimate_offset_address_p): Make
	global, rename rs6000_legitimate_offset_address_p.
	(rs6000_legitimate_address_p): Adjust calls to it.
	(lmw_operation): Ditto.
	(stmw_operation): Ditto.
	* config/rs6000/rs6000-protos.h: Declare it.
	* config/rs6000/rs6000.md (*movdf_hardfloat32): Use it
	instead of offsettable_memref_p.
	* config/rs6000/rs6000.c (rs6000_legitimate_address): Disallow
	[reg+reg] mode for TFmode memory accesses.
	(rs6000_eliminate_indexed_memrefs): New.
	(rs6000_emit_move): Call preceding for TImode and TFmode.

2004-06-24  Andrew Pinski  <apinski@apple.com>

	Radar #: 3699721
	* config/darwin.c (machopic_indirect_data_reference): Copy
	the SYMBOL_REF_DECL from the original RTX for the new
	non-lazy pointer RTX.

2004-06-24  Ayal Zaks <zaks@il.ibm.com>

	* target-def.h (TARGET_VECT_BUILD_BUILTIN_LVSR): New macro.
	* target.h (build_builtin_lvsr): New function.
	* tree-vectorizer.c (vect_create_index_for_array_ref): Add option
	to only calculate init_val without creating the iv.
	(vect_create_data_ref): Deal with unknown alignment; allow creating
	data refs for initial access only.
	(vect_transform_store): Call vect_create_data_ref accordingly.
	(vect_finish_stmt_generation_in_preheader): New function.
	(vect_finish_stmt_generation): Need to optionally bump bsi again.
	(vect_transform_load): Replace call to lvsl by a call to lvsr(16-a)
	in preheader. Move load of msq out to preheader. Removed TREE_INVARIANT.
	(vect_analyze_data_refs_alignment): Allow unknown aligned loads.
	* rs6000.c (rs6000_build_builtin_lvsr): New function.
	(rs6000_support_misaligned_vloads, rs6000_permute_misaligned_vloads):
	Check if TARGET_ALTIVEC.
	(get_vector_init_fns_for_type): Initialize lve_fn, splt_fn vars.

2004-06-22  Andrew Pinski  <apinski@apple.com>

	Radar #: 3661615, 3623788
	* c-decl.c (perform_loop_transpose): Do not
	change TREE_CHAIN (right_before_inner_loop)
	until after we know we are going to do the
	transformation.

	* c-decl.c (perform_loop_transpose): Fix formatting and cleanup.

2004-06-22  Andrew Pinski  <apinski@apple.com>

	Radar #: 3701874
	* c-decl.c (push_file_scope): Return early if we already
	have a file scope.

2004-06-22  Devang Patel  <dpatel@apple.com>

	PR 16105
	* tree-vectorizer.c (vect_analyze_operations): Type of MODIFY_EXPR is
	not reliable. Use LHS's type.

2004-06-21  Dorit Naishlos  <DORIT@il.ibm.com>

	* tree.def (MULT_UCH_EXPR): New tree code.
	* tree-vectorizer.h (stmt_vec_info): New fields part_of_pattern,
	related_stmt, v.vect_target_hook_for_pattern, and v.vectorized_stmt.
	(STMT_VINFO_IN_PATTERN_P): New macro.
	(STMT_VINFO_VEC_HOOK): New macro.
	(STMT_VINFO_RELATED_STMT): New macro.
	* tree-vectorizer.c (vect_pattern_recog): New function.
	(vect_recog_mul_uch_to_uch): New function.
	(vect_recog_mul_uch_to_uch1): New function.
	(new_stmt_vec_info): Initialize new fields in stmt_vec_info.
	(vect_transform_op): Call target hook recorded in STMT_VINFO_VEC_HOOK.
	(vect_is_supportable_op): Use new field STMT_VINFO_VEC_HOOK to record
	target support for the "mul_uch" pattern.
	(vect_mark_relevant): Don't mark stmts involved in a pattern as
	relevant.
	(vect_mark_stmts_to_be_vectorized): Likewise.
	(vect_create_data_ref): Fix alias-sets bug.
	(vect_get_vec_def_for_operand): Call new hook support_vector_init_p.
	* target.h (support_vmul_uch_p): New entry for target hook.
	(build_vmul_uch): New entry for target hook.
	(support_vector_init_p): New entry for target hook.
	(build_vector_init): New entry for target hook.
	* target-def.h (TARGET_VECT_SUPPORT_VMUL_UCH_P): New target hook.
	(TARGET_VECT_BUILD_VMUL_UCH): New target hook.
	(TARGET_VECT_SUPPORT_VECTOR_INIT_P): New target hook.
	(TARGET_VECT_BUILD_VECTOR_INIT): New target hook.
	* config/rs6000/rs6000.c (rs6000_support_vmul_uch_p): New function.
	(rs6000_build_vmul_uch) New function.
	(rs6000_support_vector_init_p) New function.
	(get_vector_init_fns_for_type) New function.
	(rs6000_build_vector_init) New function.


2004-06-17  Jon Ziegler  <jonz@apple.com>

	Radar 3691917
	* Revert version string in gcc/version.c to as of apple-gcc-1762.

2004-06-16  Jon Ziegler  <jonz@apple.com>
	Radar 3619941
	* Revert to apple-gcc-1762 plus Dorit/Devang's 2004-06-15 patch.
	Radar 3691917
	* Update version string in gcc/version.c

2004-06-16  Dale Johannesen  <dalej@apple.com>
	Radar 3661015/PR 15993
	* tree-ssa-dom.c (thread_across_edge): fix from FSF.

2004-06-15  Dorit Naishlos  <DORIT@il.ibm.com>

	Radar 3619941
 	* tree-data-ref.c (init_data_ref): New function.
	* tree-data-ref.h (init_data_ref): New function.
	* tree-vectorizer.c (vect_get_array_first_index): Return index instead
	of success status, and support pointers.
	(vect_create_index_for_array_ref): Remove ARRAY_REF restriction, and
	change call to vect_get_array_first_index.
	(vect_create_data_ref): Handle INDIRECT_REFs.
	(vect_is_supportable_store): Handle INDIRECT_REFs.
	(vect_is_supportable_load): Handle INDIRECT_REFs.
	(vect_analyze_data_ref_dependence): Handle INDIRECT_REFs.
	(vect_analyze_data_ref_dependences): Remove usage of variable 'ok'.
	(get_array_base): Removed (not used anymore).
	(vect_force_dr_alignment_p): Use DR_BASE_NAME instead of
	get_array_base.
	(vect_align_data_ref): Likewise.
	(vect_transform_store): Remove ARRAY_REF restriction.
	(vect_transform_load): Remove ARRAY_REF restriction.
	(vect_compute_data_ref_alignment): Support pointers.
	(vect_analyze_data_refs): Support pointers.
	(vect_debug_stats): New Function.
	(vect_debug_details): New Function.
	(vect_transform_loop): Use vect_debug_stats and vec_debug_details.
	(vect_analyze_loop): Use vect_debug_details.
	(vect_analyze_scalar_cycles): Use vect_debug_stats.
	(vect_analyze_data_ref_dependence): Likewse.
	(vect_analyze_data_refs_alignment): Likewise.
	(vect_analyze_data_ref_accesses): Likewise.
	(vect_analyze_data_refs): Likewise.
	(vect_analyze_loop_form): Likewise.
	(vect_gen_if_guard): Formatting fixes (avoid 80 column overflow).
	(vect_update_initial_conditions_of_duplicatd_loop): Likewise.
	(vect_transform_loop): Likewise.
	(vect_analyze_loop_form): Likewise.

2004-06-14  Caroline Tice <ctice@apple.com>

      Radar 3690727 (partial)
      * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove.
      * passes.c (rest_of_compilation):  Add missing APPLE LOCAL.
      * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove definition.
      (SECTION_FORMAT_STRING): Likewise.
      * config/rs6000/sysv4.h (NORMAL_TEXT_SECTION_NAME): Likewise.
      (SECTION_FORMAT_STRING): Likewise.
      * doc/tm.texi (NORMAL_TEXT_SECTION_STRING): Remove documentation.
      (SECTION_FORMAT_STRING): Likewise.

2004-06-14  Dale Johannesen  <dalej@apple.com>

	Radar 3661661
	* tree-ssa.c (tree_ssa_useless_type_conversion_1): fix from FSF.

2004-06-14  Dale Johannesen  <dalej@apple.com>

	Radar 3690727 (partial)
	* gimplify.c (copy_if_shared_r): Add missing APPLE LOCAL.
	* config/rs6000/t-darwin: Ditto.

2004-06-14  Fariborz Jahanian <fjahanian@apple.com>

	* version.c: Remove word tree-ssa from version string.

2004-06-12  Devang Patel  <dpatel@apple.com>

	* Makefile.in (OBJS-common): Add tree-if-conv.o.
	(tree-if-conv.o): New rule.
	* target-def.h (TARGET_VECTOR_COMPARE_P, TARGET_VECTOR_COMPARE_FOR_P,
	TARGET_VECTOR_COMPARE_STMT, TARGET_VECTOR_SELECT_P,
	TARGET_VECTOR_SELECT_FOR_P, TARGET_VECTOR_SELECT_STMT): New.
	(TARGET_INITIALIZER): New members.
	* target.h (tree.h): Include.
	(struct gcc_target.vect): New members - support_vector_compare_p,
	support_vector_compare_for_p, vector_compare_stmt, support_vector_select_p,
	support_vector_select_for_p, vector_select_stmt.
	* tree-dfa.c (dump_immediate_uses_for): Print block index.
	* tree-flow.h (enum  move_pos): Move from ...
	* tree-ssa-loop-im.c (enum move_pos): here.
	* tree-if-conv.c: New file.
	* tree-simple.c (is_gimple_stmt): Make COND_EXPR valid gimple.
	* tree-ssa-dce.c (mark_control_dependent_edges_necessary): Check t.
       * tree-ssa-live.c (debug_var_map): New function.
	* tree-ssa-live.h (debug_var_map): New function declaration.
	* tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variable): Add
	flow_loop_scan() call.
	* tree-ssa-operands (get_stmt_operands): Handle MODIFY_EXPR when COND_EXPR
	is RHS.
	(get_expr_operands): Same.
	* tree-ssanames.c (make_ssa_name): Do not use free_ssanames.
	(release_ssa_name): Same.
	* tree-vectorizer.c (vect_transform_select): New function.
	(vect_transform_compare): New function
	(vect_is_supportable_operation): New function.
	(vect_is_supportable_compare): New function.
	(vect_is_supportable_select): New function.
	(get_array_base): Move into tree.c.
	(vect_loop_version): New function.
	(second_loop_vers_available): New variable.
	(default_vector_compare_p): New function.
	(default_vector_compare_for_p): New function.
	(default_vector_comapre_stmt): New function.
	(default_vector_select_p): New function.
	(default_vector_select_for_p): New function.
	(default_vector_select_stmt): New function.
	(vect_transform_stmt): Handle select_vec_info_type and
	compare_vec_info_type.
	(vect_is_supportable_op): Use vect_is_supportable_operation.
	(vect_analyze_operations): Check select and compare support.
	(vect_analyze_data_refs_alignment): Print data reference in dump file.
	(vect_analyze_loop_form): Use if-conversion and update loop->num_nodes
	check.
	(vectorize_loops): Use vect_loop_version. Handle second loop version.
	* tree-vectorizer.h (struct _stmt_vec_info): New members -
	select_vec_info_type and compare_vec_info_type.
	(default_vector_compare_p): New function decl.
	(default_vector_compare_for_p): New function decl.
	(default_vector_comapre_stmt): New function decl.
	(default_vector_select_p): New function decl.
	(default_vector_select_for_p): New function decl.
	(default_vector_select_stmt): New function decl.
	* tree.c (get_array_base): Move from tree-vectorizer to here.
	* tree.h (get_array_base): New function decl.
	* config/rs6000 (vector_builtin_fns): New.
	(rs6000_vector_compare_p): New function.
	(rs6000_vector_compare_for_p): New function.
	(rs6000_vector_compare_stmt): New function.
	(rs6000_vector_select_p): New function.
	(rs6000_vector_select_for_p): New function.
	(rs6000_vector_select_stmt): New function.
	(TARGET_VECTOR_COMPARE_P, TARGET_VECTOR_COMPARE_FOR_P,
	TARGET_VECTOR_COMPARE_STMT, TARGET_VECTOR_SELECT_P,
	TARGET_VECTOR_SELECT_FOR_P, TARGET_VECTOR_SELECT_STMT): Define.
	(def_builtin): Record builtin fn node in vector_builtin_fns.
	* rs6000.h (enum rs6000_builtins):  New entry - RS6000_BUILTIN_MAX.

2004-06-12  Devang Patel  <dpatel@apple.com>

	Radar 3681611
	* gcc.c (do_spec_1):  Disable local IMA patch that creats new temp. file for
	each source file.

2004-06-12  Dorit Naishlos  <DORIT@il.ibm.com>
	    Olga Golovanevsky  <OLGA@il.ibm.com>
	    Ayal Zaks  <ZAKS@il.ibm.com>

	* tree-vectorize.c (vect_build_symbl_bound, vect_gen_if_guard): New.
	(vect_create_index_for_array_ref): Use integer_zer_node as init.
	(vect_update_initial_conditions_of_duplicated_loop): Update phis of epilog
	loop header and new loop exit destination.
	(vect_transform_loop): Remove code that now belongs to
	vect_generate_tmps_on_preheader () function. Use
	vect_gen_if_guard function twice.

2004-06-11  Dale Johannesen  <dalej.@apple.com>

	* tree-ssa-loop-niter.c (number-of_iterations_cond): Apply Zdenek's
	patch from 5/28 lno-branch.

2004-06-10  Dale Johannesen  <dalej@apple.com>
	* tree-scalar-evolution.c (scev_finalize): Remove wild load.

2004-06-10  Fariborz Jahanian <fjahanian@apple.com>

	* version.c: Change version date to 20040529 (date of
	last merge).

2004-06-09  Dale Johannesen  <dalej@apple.com>

	* df.c (df_def_record_1): Handle DImode parallel.

2004-06-09  Fariborz Jahanian <fjahanian@apple.com>

	* gengtype.c (get_output_file_with_visibility): Removed dead code.
	* gimplify.c (copy_if_shared_r): brought in patch to PR15884 done
	by RTH to fix perlbmk crash.

2004-06-08  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/t-darwin:  Remove duplicate fpsave.

2004-06-08  Andrew Pinski  <pinskia@physics.uc.edu>

	approved Dale Johannesen <dalej@apple.com>
	Radar 3683113, PR 15881.
	* fold.const.c (fold_convert):  Handle ptr-to-member.
	* tree-scalar-evolution.c (count_ev_in_wider_type):  Use
	fold_convert not convert.
	(compute_overall_effect_of_inner_loop): Ditto.
	(chrec_is_positive): Ditto.
	(add_to_evolution_1):  Ditto.
	(add_to_evolution): Ditto.
	(first_iteration_non_satisfying_1): Ditto.
	(follow_ssa_edge_in_rhs): Ditto.
	(interpret_rhs_modify_expr): Ditto.
	(number_of_iterations_in_loop): Ditto.

2004-06-08 Robert Bowdidge <bowdidge@apple.com>

	* config/darwin.c (machopic_indirect_call_target): Added patch from
	PR/15720 (function marked inline which is called directly isn't
	emitted).

2004-06-08  Fariborz Jahanian <fjahanian@apple.com>

	* varasm.c (assemble_variable): Resotored zerofill size optimization.
	* config/rs6000/rs6000.c (rs6000_override_options): Place
	rs6000_init_hard_regno_mode_ok after setting of -fast flags.

2004-06-08  Caroline Tice  <ctice@apple.com>

	* common.opt (fcreate-profile):  Add new command line option.
	(fuse-profile): Likewise.
	* gcc.c (LINK_COMMAND_SPEC):  Add fcreate-profile to list of flags
	that causes "-lgcov" to be included in link command.
	* opts.c (commmon_handle_option):  Add cases for fcreate-profile and
	fuse-profile; make them fall into the cases for fprofile-generate
	and fprofile-use, respectively.
	* config/darwin.h (LINK_COMMABND_SPEC):  Add fcreate-profile to list
	of flags that causes "-lgcov" to be included in link command.
	* doc/invoke.texi (fcreate-profile, fuse-profile):  Add documentation
	for the new command line options.  Indicates they are obsolete and
	should not be used.

2004-06-07  Fariborz Jahanian <fjahanian@apple.com>

	* gcc.c: Removed setting of -combine option with -fast.

2004-06-07  Fariborz Jahanian <fjahanian@apple.com>

	* decl.c (maybe_commonize_var): Removed APPLE LOCAL coalescing stuff.
	* method.c (use_thunk): ditto.
	* rtti.c (tinfo_base_init): ditto.
	* common.opt: ditto.

2004-06-07  Dale Johannesen  <dalej@apple.com>

	* cse.c (cse_insn):  Make sure there's a ZERO_EXTEND before looking
	under it.  (176.gcc spec regression)

2004-06-07  Ayal Zaks <zaks@il.ibm.com>

	Radar 3619935 - Part 1
	* target-def.h (TARGET_VECT, TARGET_VECT_BUILD_BUILTIN_LVSL,
	TARGET_VECT_SUPPORT_MISALIGNED_LOADS,
	TARGET_VECT_PERMUTE_MISALIGNED_LOADS,
	TARGET_VECT_BUILD_BUILTIN_VPERM): New macros for
	TARGET_INITIALIZER.
	* target.h (struct vect): New substruct of gcc_target.
 	* tree-vectorizer.c (vect_create_index_for_array_ref): Return also the
 	initial value of the iv.
 	(vect_create_data_ref): Return also the created pointer; don't call
	vect_align_data_ref.
	(vect_finish_stmt_generation): New.
	(vect_transform_load): Handle misaligned loads too.
	(vect_analyze_data_refs_alignment): Allow loads to be misaligned.
	* config/rs6000/rs6000.c (TARGET_VECT_BUILD_BUILTIN_LVSL,
	TARGET_VECT_SUPPORT_MISALIGNED_LOADS,
	TARGET_VECT_PERMUTE_MISALIGNED_LOADS,
	TARGET_VECT_BUILD_BUILTIN_VPERM): Redefine.
	(rs6000_support_misaligned_vloads, rs6000_permute_misaligned_vloads,
	rs6000_build_builtin_lvsl, rs6000_build_builtin_vperm): New.

2004-06-07  Olga Golovanevsky  <OLGA@il.ibm.com>

	* tree-vectorizer.c (vect_update_initial_conditions_of_duplicated_loop):
	Handle general form of "init" and "step" of access function.
	* tree-ssa-loop-manip.c (tree_duplicate_loop_to_exit_cfg):
	The exit from loop is taken from bb previous to latch instead
	of latch itself.

2004-06-07  Devang Patel  <dpatel@apple.com>

	Radar 3673334
	* config/darwin-driver.c (add_arch): New.
	(strip_path_and_suffix): Use strcpy.
	(main): Use add_arch().

2004-06-07  Devang Patel  <dpatel@apple.com>

	Radar 3668208 and 3668213
	* config/rs6000/darwin.h (CC1_SPEC): Handle -gused and -gfull.
	* config/i386/darwin.h (CC1_SPEC): Same.

2004-06-07  Caroline Tice  <ctice@apple.com>

	* doc/invoke.texi (-fast): Add documentation for "-fast" option.

2004-05-29  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.c (rs6000_override_options):  Enable
	hot/cold partitioning with -fast -profile-use.

2004-05-28  Ziemowit Laski  <zlaski@apple.com>

	Radar 3665286
	* cpplex.c (_cpp_peek_token): Fix bug in computing context size;
	increment/decrement 'keep_tokens' state instead of saving/restoring it.
	* cpplib.h (cpp_callbacks): Change 'expand_macro_p' hook to
	'macro_to_expand', returning a cpp_hashnode pointer.
	* cppmacro.c (cpp_get_token): Call 'macro_to_expand' hook instead of
	'expand_macro_p'.
	(warn_of_redefinition): Do not warn if redefining a conditional macro.
	* config/rs6000/rs6000-c.c (altivec_categorize_keyword): New function.
	(rs6000_expand_macro_p): Renamed to 'rs6000_macro_to_expand'; rewritten
	to call altivec_categorize_keyword() and return one of the three
	canonical macros ('__vector', '__pixel' and '__bool') as needed.
	(rs6000_cpu_cpp_builtins): Mark all AltiVec keyword variants as
	conditional macros, some expanding to themselves (e.g., '#define
	bool bool') by default.
	* config/rs6000/rs6000-protos.h (rs6000_expand_macro_p): Renamed to
	'rs6000_macro_to_expand'.

2004-05-28  Fariborz Jahanian <fjahanian@apple.com>

	* explow.c (copy_to_mode_reg): For PARALLEL patterns, copy
	to reg via a temprary.

2004-05-27  Dale Johannesen  <dalej@apple.com>

	* loop-invariant.c (check_maybe_invariant):  Disallow CALL hoists.
	* varasm.c (assemble_start_function): Construct unlikely_section_label
	unconditionally.

2004-05-26  Caroline Tice <ctice@apple.com>

	* bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
	Initialize variable 'has_hot_blocks'.
	(fix_up_fall_thru_edges):  Initialize variable'cond_jump'.
	* cfgcleanup.c (try_forward_edges):  Add code/tests to make sure the
	optimization is not attempted across section boundaries.
	* cfglayout.c (fixup_reorder_chain):  Correct comments.
	* cfgrtl.c (try_redirect_by_replacing_jump):  Fix test to make sure
	optimization is not attempted across section boundaries.
	* final.c (final_scan_instruction): Replace calls to text_section with
	calls to function_section.
	* predict.c (probably_never_executed_bb_p): Change criterion to be
	basic block count equals zero.
	* varasm.c (unlikely_text_section_name): New global variable.
	(text_section): Remove call to assemble_align.
	(unlikely_text_section):  Modify to build & use unlikely_text_section_name
	rather than directly using UNLIKELY_EXECUTED_TEXT_SECTION NAME; remove
	call to assemble_align; move code to free/initialize
	unlikely_section_label to assemble_start_function.
	(in_unlikely_text_section):  Modify to use unlikely_text_section_name.
	(named_section): Add code to initialize unlikely_text_section_name if
	appropriate.
	(function_section): Reorder clauses in if statement to make sure
	functions containing only cold blocks end up in the correct section.
	(assemble_start_function):  Add code to correctly initialize/free
	unlikely_text_section_name.  Also make sure the cold label is printed
	out at the start of cold functions.
	(default_section_type_flags_1): Modify to use unlikely_text_section_name.
	* config/rs6000/darwin.h (HAS_LONG_UNCOND_BRANCH):  Add darwin-specific
	definition, based on the TARGET_LONG_BRANCH (-mlongcall) flag.

2004-05-25  Dale Johannesen  <dalej@apple.com>

	* tree-ssa-loop-niter.c: Add.  New in lno branch.  Oops.

2004-05-25  Mike Stump  <mrs@apple.com>

	Radar 3665096
	* config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Change default
	for long double type size to be 128.

2004-05-25  Dale Johannesen  <dalej@apple.com>

	Merge from LNO branch as of 05-18.
	--The following files are identical to lno branch:
	df.c:  Merge.
	lambda-code.c:  Merge.
	loop-iv.c:  Merge.
	tree-chrec.c:  Merge.
	tree-chrec.h:  Merge.
	tree-data-ref.c:  Merge.
	tree-data-ref.h:  Merge.
	tree-elim-check.c:  Merge.
	tree-fold-const.h:  Merge.
	tree-scalar-evolution.c:  Merge.
	tree-scalar-evolution.h:  Merge.
	tree-ssa-loop-ivcanon.c:  Merge.
	tree-ssa-loop-ivopts.c:  Merge.
	tree-vectorizer.c:  Merge.
	--These files were merged selectively, see lno branch ChangeLog.lno.
	Makefile.in:  Add tree-ssa-loop-niter.
	cfgloop.c: Merge changes from Devang's 05-13 patch.
	cfgloop.h: Ditto, also Zdenek's 04-30 patch.
	expr.c:  Merge changes from Zdenek's 05-13 patch.
	tree-cfg.c:  Ditto.
	tree-flow.h:  Ditto.  Also from Zdenek's 04-30 patch.
	loop-invariant.c:  Merge.  Add DF_EQUIV_NOTES.
	rtl.h:  Merge change from Zdenek's 05-09 patch.
	stor-layout.c:  Ditto.
	tree.c:  Merge change from Sebastian's 04-27 patch.
	tree.h:  Ditto.  Also Zdenek's 05-13 patch.  Add TYPE_UNSIGNED.
	varasm.c:  Merge change from Zdenek's 04-30 patch.
	config/rs6000/rs6000.c:  Ditto.
	-- Other stuff:
	fold-const.c:  Remove unused variable.
	config/rs6000/rs6000-c.c:  Make #define of bool work.
	config/rs6000/t-rs6000:  Make #define of bool work.  Remove
	-Wno-error requirements.

2004-05-25  Mike Stump  <mrs@apple.com>

	Radar 3667005
	* config/darwin.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Move long
	double size default from here...
	* config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): to here.

2004-05-24  Devang Patel  <dpatel@apple.com>

	Radar 3665390
	* config/darwin-driver.h (main): While reinserting output filename
	do not forget -o.

2004-05-24  Mike Stump  <mrs@apple.com>

	Radar 3589079
	* config/darwin.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Change default
	for long double type size to be 128.
	* c-common.c: Change default for -Wwarn-long-double to off.
	(warn_about_long_double): Change wording to account for new long
	double size.
	* doc/invoke.texi (-Wlong-double): Likewise.

2004-05-22  Devang Patel  <dpatel@apple.com>

	Radar 3644687
	* config/darwin-driver.c (main): Reinsert output filename
	only if user supplied one.

2004-05-22  Dale Johannesen  <dalej@apple.com>

	* simplify-rtx.c (simplify_unary_operation):  Don't create NOT(SYM)
	or (MINUS(CON SYM)).
	* config/rs6000/rs6000.h (machine_function):  Make substitute_pic_base_reg
	unsigned.
	* config/rs6000/rs6000.md:  Compare it to INVALID_REGNUM not -1.
	* config/rs6000/rs6000.c (throughout):  Ditto.

2004-05-21  Ziemowit Laski  <zlaski@apple.com>

	* opts.c (common_handle_option): Do not const-qualify a char buffer
	that has sprintf() and free() called on it.

2004-05-21  Ziemowit Laski  <zlaski@apple.com>

	Radar 3621323
	* c-lex.c: Do not include target.h.
	(C_LEX_BUFCAPACITY, C_LEX_OFFS_BOUND, c_lex_buf_beg, c_lex_buf_end,
	c_lex_buf, c_lex_peek, c_lex_prepend): Remove.
	(get_nonpadding_token): Get rid of int argument; adjust call sites
	accordingly.
	* cpplex.c (_cpp_peek_token): New function.
	(_cpp_temp_token): Account for existence of lookaheads when allocating
	token.
	* cpplib.h (cpp_callbacks): Add new 'expand_macro_p' hook.
	(NODE_CONDITIONAL): New flag for macro nodes.
	(_cpp_peek_token, _cpp_backup_tokens_direct): New prototypes.
	* cppmacro.c (cpp_get_token): For macros marked NODE_CONDITIONAL,
	call the 'expand_macro_p' predicate to see if they should be
	expanded.
	(_cpp_backup_tokens_direct): New function, broken off from
	_cpp_backup_tokens().
	(_cpp_backup_tokens): Call _cpp_backup_tokens_direct().
	* config/rs6000/rs6000-c.c (rs6000_expand_macro_p): Add cpp_reader
	parameter; call _cpp_peek_token() instead of c_lex_peek().
	(rs6000_cpu_cpp_builtins): Attach rs6000_expand_macro_p() to a
	cpplib callback instead of a target hook.
	* config/rs6000/rs6000-protos.h (rs6000_expand_macro_p): Add cpp_reader
	parameter to prototype.
	* hooks.c (hook_bool_constcpp_tokenp_false): Remove.
	* hooks.h (hook_bool_constcpp_tokenp_false): Remove prototype.
	* target-def.h (TARGET_EXPAND_MACRO_P): Remove.
	* target.h (gcc_target): Remove 'expand_macro_p' target hook.

2004-05-20  Devang Patel  <dpatel@apple.com>

	* config/darwin-driver.c (main): Prepand "-Wl," before
	-final_output to make it linker option.

2004-05-20  Fariborz Jahanian <fjahanian.apple.com>

	* c-opts.c (c_common_post_options): Remove old declaration and
	use of stdin_filename. Add new call to set_stdin_option.
	* common.opt: Add fpredictive-compilation=n option.
	* cppfiles.c (STAT_SIZE_RELIABLE macro): Change definition.
	(pch_open_file): No pch stuff with stdin file.
	(find_file_in_dir): When opening the main file, revert
	to opening stdin instead, in predictive compilation mode.
	(read_file_guts): Support for reading from stdin for predictive
	compilation sizes are added. (read_file): Don't close stdin.
	(read_from_stdin): New routine.
	* cpphash.h: New field declaration 'is_main_file' added.
	* cppinit.c (cpp_read_main_file): Set is_main_file to true,
	and then to false in predictive compilation mode.
	* cpplex.c (_cpp_get_fresh_line): Read more from stdin when
	in predictive compilation mode.
	* cpplib.c (set_stdin_option): New definition.
	* cpplib.h: Declaration updates.
	* flags.h: Declaration of predictive_compilation.
	* opts.c (common_handle_option): Processing -fprdictive-compilation=n
	options.
	* toplev.c: Definition of predictive_compilation added.

2004-05-14  Dale Johannesen  <dalej@apple.com>

	* Makefile.in:  Remove local -Wno-error dependencies.

2004-05-13  Caroline Tice  <ctice@apple.com>

	* c-common.c (builtin_function_disabled_p):  Remove "static" from
	function declaration and definition.
	* c-common.h (builtin_function_disabled_p):  Add extern function
	definition.
	* c-decl.c (merge_translation_unit_decls):  Add code to test
	function decls to see if they are builtin and the builtin is
	supposed to be disabled before attempting to merge the decls.

2004-05-12  Devang Patel  <dpatel@apple.com>

	* opts.c (common_handle_option): Handle OPT_arch.

2004-05-12  Devang Patel  <dpatel@apple.com>

	* config/darwin.h (darwin_builtins): Move to ...
	* config/darwin.c (darwin_builtins); here.

2004-05-12  Dale Johannesen  <dalej@apple.com>

	Radar 3509006

	* config/rs6000/rs6000.c (rs6000_override_options):
	Don't enable string insns with -Os.
	* doc/invoke.texi:  Document this behavior.
	* testsuite/gcc.apple/string-insns.c:  New.

2004-05-12  Dale Johannesen  <dalej@apple.com>

	* config/rs6000/rs6000.c (rs6000_stack_info):  Restore an
	optimization lost in merge.

2004-05-11  Ziemowit Laski  <zlaski@apple.com>

	* gcc.c (process_command): Do not define __CONSTANT_CFSTRINGS__,
	since config/darwin.h already does this.
	(do_spec_1): Emit "-mconstant-cfstrings" instead of
	"-fconstant-cfstrings".

2004-05-11  Devang Patel  <dpatel@apple.com>

	* gcc.c (optiom_map): Remove -precomp-trustfile support.
	* c-opts.c (c_common_handle_option): Remove -precomp-trustfile and
	-header-mapfile support.
	* common.opt: Same.
	* c.opt: Remove -header-mapfile support.

2004-05-11  Caroline Tice  <ctice@apple.com>

	* rtl.c (NOTE_INSN_UNLIKELY_EXECUTED_CODE):  Add this note back
	in; it seems to have vanished during a merge.

2004-05-10  Ziemowit Laski  <zlaski@apple.com>

	* config/rs6000/altivec.h: Bring over from mainline.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	__APPLE_ALTIVEC__ to indicate Apple syntax support.

2004-05-10  Dale Johannesen  <dalej@apple.com>
	* config/darwin.c:  ANSIfy syntax (eliminate warnings).
	config/darwin-c.c:  Ditto.
	rs6000.c: Small cosmetic change in local code.

2004-05-06  Caroline Tice <ctice@apple.com>

	* config/rs6000/rs6000.c (rs6000_override_options):  Modify to
	not turn on hot/cold partitioning in the presence of exception
	handling.

2004-05-06  Dale Johannesen  <dalej@apple.com>

	* Merge from lno branch as of 04-24.  Files changed:
	 lambda-code.c
	 lambda.h
	 tree-chrec.c
	 tree-chrec.h
	 tree-data-ref.c
	 tree-elim-check.c
	 tree-flow.h
	 tree-loop-linear.c
	 tree-scalar-evolution.c
	 tree-ssa-loop-im.c
	 tree-ssa-loop-ivopts.c
	 tree-ssa-loop-manip.c
	 tree-ssa-loop.c
	 tree-vectorizer.c
	 tree-vectorizer.h

2004-05-04  Caroline Tice <ctice@apple.com>

	* config/rs6000/darwin.h (FP_SAVE_INLINE):  Modify this to
	always be 1 ("on") if the optimization level is -O3 or
	higher.

2004-04-30  Dale Johannesen  <dalej@apple.com>

	* cse.c (cse_insn):  Don't add REG_EQUAL note for
	(CONST (MINUS (LABEL_REF) (0))).

2004-04-30  Caroline Tice  <ctice@apple.com>

	* varasm.c (unlikely_section_label): New global variable.
	(unlikely_text_section): Change variable name from
	'unlikely_section_name' to 'unlikely_section_label', make it a global
	variable, and move the code to generate its value to
	assemble_start_function.
	(assemble_start_function):  Add code to generate *correct* value for
	'unlikely_section_label'.  Now makes use of value from 'fnname'
	parameter.

2004-04-29  Devang Patel  <dpatel@apple.com>

	gcc/loop-iv.c : Merge from lno-branch as of 2004:04:19 00:00.
	gcc/tree-pass.h : Merge from lno-branch as of 2004:04:19 00:00.
	gcc/tree-ssa-alias.c : Merge from lno-branch as of 2004:04:19 00:00.
	gcc/tree-ssa-phiopt.c : Merge from lno-branch as of 2004:04:19 00:00.

2004-04-29  Devang Patel  <dpatel@apple.com>

	Merge lno-branch as of 2004:04:18 00:00 into
	apple-ppc-branch.


2004-04-28  Fariborz Jahanian <fjahanian@apple.com>

	* function.c (assign_parms): Add 2nd iteration over vector args
	if needed.
	* calls.c (initialize_argument_information): Add new argument,
	add 2nd iteration over vector arguments if needed.
	* target-def.h (default_skip_vec_args, TARGET_SKIP_VEC_ARGS): New.
	* target.h (skip_vec_args): Added to calls structure.
	* targhooks.c (default_skip_vec_args): Default
	definition.
	* targhooks.h (default_skip_vec_args): Declaration.
	* config/rs6000/rs6000.c (skip_vec_args): New definition.

2004-04-28  Stuart Hastings  <stuart@apple.com>

	* config/rs6000/rs6000.c (macho_branch_islands): Fix sprintf arguments.
	* config/rs6000/rs6000.md (output_call): Fix arguments.

2004-04-27  Devang Patel  <dpatel@apple.com>

	* config/darwin.h (LINK_COMMAND_SPEC): Use darwin_arch_ld_spec.
	* config/rs6000/darwin.h (DARWIN_ARCH_ASM_SPEC): New.
	(DARWIN_ARCH_SPEC): Rename as...
	(DARWIN_ARCH_LD_SPEC): New name.
	* config/i386/darwin.h (DARWIN_ARCH_ASM_SPEC): New.
	(DARWIN_ARCH_SPEC): Rename as...
	(DARWIN_ARCH_LD_SPEC): New name.

2004-04-26  Andrew Pinski  <pinskia@physics.uc.edu>

	* configure.ac: Add test for -Wno-long-double.
	* Makefile.in (STRICT2_WARN): Add -Wno-long-double.
	(alloc-pool.o-warn): Delete.
	(ggc-page.o-warn): Delete.
	* configure: Regenerate.

2004-04-23  Dale Johannesen  <dalej@apple.com>

	Radars 3480058, 3178986

	* c-decl.c (merge_decls): Preserve duplicate_decl bit.
	(merge_translation_unit_decls):  Rewritten so -fno-common works.
	* opts.c (decode_options):  Turn on flag_no_common with -fast or -fastcp.
	* tree.h (struct tree_decl): Add duplicate_decl bit and DECL_DUPLICATE_DECL.
	* varasm.c (assemble_variable): Use it.
	* config/rs6000/rs6000.c (rs6000_override_options): Remove
	reorder-blocks-and-partition from -fast*.  Enable align-natural with -fastcp.
	* ../libstdc++-v3/include/std/std_fstream.h (basic_ifstream): Make
	_M_filebuf 8-byte aligned.
	(basic_ofstream): Ditto.

2004-04-22  Devang Patel  <dpatel@apple.com>

	Radar 3401402 and 3511029

	Remove FAT Build support from gcc.c

	* gcc.c (struct arch_config_out): Remove.
	(struct arch_out): Remove.
	(num_arches, curent_arch, final_output): Remove.
	(set_new_arch): Remove.
	(%T support): Remove.
	(%f support): Remove.
	(%F support): Remove.
	('@' support in specs): Remove.
	(ofile_merge_spec): Remove.
	(exec_merge_spec): Remove.
	(build_search_list): Remove fat builds readibility change.
	(SWITCH_IGNORE_RESTORE): Remove.
	(-arch support): Remove.
	* config/darwin.h (LINK_COMMAND_SPEC): Remove -arch*. Add %(darwin_arch_spec).
	* confiig/i386/darwin.h (ASM_SPEC): Add %(darwin_arch_spec).
	(DARWIN_ARCH_SPEC): New.
	* confiig/rs6000/darwin.h (ASM_SPEC): Add %(darwin_arch_spec).
	(DARWIN_ARCH_SPEC): New.
	* config/rs6000/rs6000.h (SUBTARGET_EXTRA_SPECS): Surround it with #ifndef.
	* config/darwin-driver.c: New file.

2004-04-20  Geoffrey Keating  <geoffk@apple.com>

	* c-cppbuiltin.c (define__GNUC__): Better precision and more
	error checking for code defining __APPLE_CC__.
	* testsuite/gcc.apple/applecc.c: New.

2004-04-15  Devang Patel  <dpatel@apple.com>

	* config/i386.h: Add static tree nodes for vector types to
	accomodate tree.h changes due to local Altivec patch.

2004-04-15  Caroline Tice  <ctice@apple.com>

	Fix various problems related to hot/cold partitioning (but not all of
	them yet).
	* bb-reorder.c  (tm_p.h): Add new include statement.
	(HAVE_return): Define HAVE_return appropriately if not already defined.
	(find_rarely_executed_basic_blocks_and_crossing_edges):  Modify to
	only mark crossing edges if architecture supports named sections.
	(fix_crossing_conditional_branches):  Add test for HAVE_return before
	calling gen_return.
	(fix_crossing_unconditional_branches): Change VOIDmode to Pmode in call
	to gen_rtl_LABEL_REF.
	(fix_edges_for_rarely_executed_code): Only "fix" branches and add
	REG_CROSSING_JUMP notes if the architecture supports named sections.
	(reorder_basic_blocks):  Change (* targetm.cannot_modify_jumps_p ())
	into (targetm.cannot_modify_jumps_p ()).  Modify to only add
	NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture supports
	named sections.
	* cfglayout.c (fixup_reorder_chain):  Modify code that adds
	NOTE_INSN_UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes, to only
	do so if architecture supports named sections.
	* cfgrtl.c (target.h): Add new include statement.
	(force_nonfallthru_and_redirect):  Modify code that adds
	NOTE_INSN_UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes, to only
	do so if architecture supports named sections.
	(commit_one_edge_insertion):  Likewise.
	* dbxout.c (dbxout_source_file): Fix bug, when writing out source
	location debug information, to not change to the wrong section.
	* defaults.h (NORMAL_TEXT_SECTION_NAME):  Remove this definition.
	(SECTION_FORMAT_STRING): Remove this definition.
	* final.c (final_scan_insn): Remove unnecessary in_unlikely_text_section
	test from if statement.  Modify code that switches sections to not
	do so if architecture does not support named sections.  Cleaned up
	if statement.
	* ifcvt.c (if_convert): Modified test that disables optimization when
	partitioning, to not disable it if the architecture does not support
	named sections.
	* passes.c (rest_of_compilation):  Removed flag_exceptions test from
	code that calls partitioning, as this is already taken care of
	in decode_options.
	* predict.c (choose_function_section): Modify to NOT choose hot or
	cold sections for the function decl if we are doing partitioning
	optimization (want to leave it up to the hot/cold partitioning
	optimization, which is more fine-grained).
	* varasm.c (text_section): Restore code that outputs assembly for
	the text section to its original code.
	(unlikely_text_section):  Modify to always use named_section for
	writing out section directive, remove unnecessary ifdef, and
	use ASM_OUTPUT_LABEL for labelling the start of the
	cold section.
	(in_unlikely_text_section):  Modify to deal correctly with being in
	a named section.
	(function_section):  Restore code for generating section directives
	to its original order.
	* config/darwin.c (darwin_asm_named_section): Restore code that
	generates section directive to its original state.
	* config/i386/darwin.h (ASM_OUTPUT_ALIGN): Add in_unlikely_text_section ()
	to an if test that tests for in_text_section ().
	* config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME):  Remove definition.
	(SECTION_FORMAT_STRING):  Remove definition.

2004-04-10  Paolo Bonzini  <bonzini@gnu.org>
	    Richard Henderson  <rth@redhat.com>

	PR target/14899

	* c-common.c (vector_types_compatible_p): New function.
	* c-typeck.c (comptypes): Recurse on vector types,
	treat a non-opaque type as equivalent to an opaque type.
	(convert_for_assignment): Use vector_types_compatible_p.
	(digest_init): Use vector_types_compatible_p to check
	validness of constant vector initializers; otherwise treat
	them as scalars
	* tree.c (make_or_reuse_type): New.
	(build_common_tree_nodes): Use it.
	* cp/call.c (standard_conversion): Likewise.
	* cp/typeck.c (comptypes): Recurse on vector types, do not
	treat a non-opaque type as equivalent to an opaque type.
	(convert_for_assignment): Use vector_types_compatible_p.

2004-04-13  Fariborz Jahanian <fjahanian@apple.com>

	* combine.c (combine_instructions):
	Try insn with each REG_EQUAL note it links back to.
	(unmentioned_reg_p_1, unmentioned_reg_p): New functions.
	Brought from tree-ssa branch.

2004-04-09  Dale Johannesen <dalej@apple.com>

	Roll in gcc-1552 enhancement for separate stack temps.
	Turn on -fstrict-aliasing with -fast.
	* function.c (assign_stack_local_with_alias): New function.
	* rtl.h (assign_stack_local_with_alias): Declare it.
	* config/rs6000/rs6000.c (rs6000_override_options): Turn on strict
	aliasing with -fast.
	* config/rs6000/rs6000.md (floatsidf2): Use
	assign_stack_local_with_alias.
	(floatunssidf2): Ditto.
	(fix_truncdfsi2): Ditto.

2004-04-07  Fariborz Jahanian <fjahanian@apple.com>

	Roll in Ziem Laski's Altivec front-end fixes to
	support MOTOROLA's Altivec syntax.
	* Makefile.in: Add c-lex.o dependencies.
	* c-common.c (vector_constructor_from_expr): New function.
	* c-common.h (vector_constructor_from_expr): Add declaration.
	* c-lex.c: include target.h, cpphash.h. Add lexer support
	for new syntax.
	(c_lex_prepend): new function. (c_lex_peek): new function.
	* c-pragma.h: add (c_lex_peek, c_lex_prepend) declarations.

2004-04-06  Dale Johannesen <dalej@apple.com>

	Roll in Zdenek Dvorak's rewrite of doloop optimization.
	* Makefile.in: add loop-doloop.*, remove doloop.*
	* loop-doloop.c: New.
	* doloop.c: Remove.
	* cfgloop.h: Add new function declarations.
	* cfgloopanal.c: Add get_loop_level.
	* loop-iv.c: Recognize unexecuted loops.
	* loop.c: Remove call to old doloop optimization.
	* loop.h: Remove LOOP_BCT.
	* passes.c: Ditto. Call new doloop optimization.
	* config/rs6000/rs6000-protos.h: Remove duplicate declarations.
	* config/rs6000/rs6000.c: Cosmetic cleanups.  Add -freorder-blocks
	to -fast.

2004-04-02  Ziemowit Laski  <zlaski@apple.com>

	Remove APPLE LOCAL AltiVec code whenever possible; merge in
	AltiVec/VECTOR_TYPE-handling code from mainline.

2004-04-01  Fariborz Jahanian <fjahanian@apple.com>

	* Makefile.in: add $(PARAMS_H) $(TM_P_H) dependencies
	for sched-rgn.o.
	* params.def: add definitions for
	max-sched-region-blocks and max-sched-region-insns.
	* sched-rgn.c (too_large): change return type to bool.
	Use the parametrized values of max-sched-region-blocks,
	max-sched-region-insns for computing upper limits for
	interblock scheduling.
	* doc/invoke.texi: Document max-sched-region-blocks,
	max-sched-region-insns.

2004-04-01  Caroline Tice  <ctice@apple.com>

	* basic-block.h (struct edge_def):  Add new field, crossing_edge.
	(struct basic_block_def):  Add new field, partition.
	(UNPARTITIONED, HOT_PARTITION, COLD_PARTITION):  New constant macro
	definitions.
	(partition_hot_cold_basic_blocks): Add extern function
	declaration.
	* bb-reorder.c (function.h, obstack.h, expr.h, regs.h):  Add four new
	include	statements.
	(N_ROUNDS): Increase the maximum number of rounds by 1.
	(branch_threshold): Add array value for new round.
	(exec_threshold): Add array value for new round.
	(push_to_next_round_p): New function.
	(add_unlikely_executed_notes): New function.
	(find_rarely_executed_basic_blocks_and_crossing_edges): New function.
	(mark_bb_for_unlikely_executed_section): New function.
	(add_labels_and_missing_jumps): New function.
	(add_reg_crossing_jump_notes): New function.
	(fix_up_fall_thru_edges): New function.
	(find_jump_block): New function.
	(fix_crossing_conditional_branches): New function.
	(fix_crossing_unconditional_branches): New function.
	(fix_edges_for_rarely_executed_code): New function.
	(partition_hot_cold_basic_blocks): New function.
	(find_traces):  Add an extra round for partitioning hot/cold
	basic blocks.
	(find_traces_1_round): Add a parameter.  Modify to push all cold blocks,
	and only cold blocks, into the last (extra) round of collecting traces.
	(better_edge_p): Add a parameter.  Modify to favor non-crossing edges
	over crossing edges.
	(bb_to_key):  Add code to correctly identify cold blocks when
	doing partitioning.
	(connect_traces): Modify to connect all the non-cold traces first, then
	go back and connect up all the cold traces.
	(reorder_basic_blocks):  Add call to add_unlikely_executed_notes.
	* cfg.c (entry_exit_blocks): Add initialization for partition field in
	entry and exit blocks.
	* cfgbuild.c (make_edges): Update current_function_has_computed_jump
	if we are doing hot/cold partitioning.
	* cfgcleanup.c (cfglayout.h): Add new include statement.
	(try_simplify_condjump): Modify to not attempt on blocks with jumps
	that cross section boundaries.
	(try_forward_edges): Likewise.
	(merge_blocks_move_predecessor_nojumps): Likewise.
	(merge_blocks_move_successor_nojumps): Likewise.
	(merge_blocks_move): Likewise.
	(try_crossjump_to_edge): Modify to not attempt after we have done
	the block partitioning.
	(try_crossjump_bb): Modify to not attempt on blocks with jumps that
	cross section boundaries.
	(try_optimize_cfg): Likewise.
	* cfghooks.c (tidy_fallthru_edges): Modify to not remove indirect
	jumps that cross section boundaries.
	* cfglayout.c (flags.h): Add new include statement.
	(update_unlikely_executed_notes):  New function.
	(fixup_reorder_chain):  Add code so when a new jumping basic block is
	added, it's UNLIKELY_EXECUTED_CODE and REG_CROSSING_JUMP notes are
	updated appropriately.
	(duplicate_insn_chain):  Add code to duplicate the new NOTE insn
	introduced by this optimization.
	* cfglayout.h (scan_ahead_for_unlikely_executed_note):  Add new
	extern function declaration.
	* cfgrtl.c (can_delete_note_p):  Add NOTE_INSN_UNLIKELY_EXECUTED_CODE to
	list of notes that can be deleted.
	(create_basic_block_structure):  Add initialization for partition field.
	(rtl_can_merge_blocks):  Modify to test blocks for jumps that cross
	section boundaries.
	(try_redirect_by_replacing_jump):  Modify to not attempt on jumps that
	cross section boundaries.
	(commit_one_edge_insertion): Add code so newly created basic block
	ends up in correct (hot or cold) section.  Modify to disallow
	insertions before NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
	(rtl_verify_flow_info_1):  Add code to verify that no fall_thru edge
	crosses section boundaries.
	(cfg_layout_can_merge_blocks_p): Modify to test blocks for jumps that
	cross section boundaries.
	(force_nonfallthru_and_redirect): Modify to make sure new basic block
	ends up in correct section, with correct notes attached.
	* common.opt (freorder-blocks-and-partition):  Add new flag for this
	optimization.
	* dbxout.c (dbx_function_end):  Add code to make sure scope labels at
	the end of functions are written into the correct (hot or cold)
	section.
	(dbx_source_file): Add code so writing debug file information
	doesn't incorrectly change sections.
	* defaults.h (NORMAL_TEXT_SECTION_NAME): New constant macro, for use
	in partitioning hot/cold basic blocks into separate sections.
	(SECTION_FORMAT_STRING): New constant macro, for linux/i386 hot/cold
	section partitioning.
	(HAS_LONG_COND_BRANCH): New constant macro, indicating whether or not
	conditional branches can span all of memory.
	(HAS_LONG_UNCOND_BRANCH): New constant macro, indicationg whether or not
	unconditional branches can span all of memory.
	* final.c (scan_ahead_for_unlikely_executed_note):  New function.
	(final_scan_insn):  Add code to check for NOTE instruction indicating
	whether basic block belongs in hot or cold section, and to make sure
	the current basic block is being written to the appropriate section.
	Also added code to ensure that jump table basic blocks end up in the
	correct section.
	* flags.h (flag_reorder_blocks_and_partition):  New flag.
	* ifcvt.c (find_if_case_1):  Modify to not attempt if conversion if
	one of the branches has a jump that crosses between sections.
	(find_if_case_2): Likewise.
	(ifcvt): Modify to not attempt to mark loop exit edges after
	hot/cold partitioning has occurred.
	* opts.c (decode_options): Code to handle new flag,
	flag_reorder_blocks_and_partition; also to turn it off if
	flag_exceptions is on.
	(common_handle_option): Code to handle new flag,
	flag_reorder_blocks_and_partition.
	* output.h (unlikely_text_section): New extern function declaration.
	(in_unlikely_text_section): New extern function declaration.
	* passes.c (rest_of_handle_stack_regs):  Add
	flag_reorder_blocks_and_partition as an 'or' condition for calling
	reorder_basic_blocks.
	(rest_of_handle_reorder_blocks):  Add flag_reorder_blocks_and_partition
	as an 'or' condition for calling reorder_basic_blocks.
	(rest_of_compilation):  Add call to partition_hot_cold_basic_blocks.
	* print-rtl.c (print_rtx): Add code for handling new note,
	NOTE_INSN_UNLIKELY_EXECUTED_CODE
	* rtl.c  (NOTE_INSN_UNLIKELY_EXECUTED_CODE): New note insn (see below).
	(REG_CROSSING_JUMP): New kind of reg_note, to mark jumps that
	cross between section boundaries.
	* rtl.h (NOTE_INSN_UNLIKELY_EXECUTED_CODE):  New note instruction,
	indicating the basic block containing it belongs in the cold section.
	(REG_CROSSING_JUMP): New type of reg_note, to mark jumps that cross
	between hot and cold sections.
	* toplev.c (flag_reorder_blocks_and_partition):  Add code to
	initialize this flag, and to tie it to the command-line option
	freorder-blocks-and-partition.
	* varasm.c (cfglayout.h):  Add new include statement.
	(unlikely_section_label_printed):  New global variable, used for
	determining when to output section name labels for cold sections.
	(in_section):  Add in_unlikely_executed_text to enum data structure.
	(text_section):  Modify code to use SECTION_FORMAT_STRING and
	NORMAL_TEXT_SECTION_NAME macros.
	(unlikely_text_section):  New function.
	(in_unlikely_text_section):  New function.
	(function_section):  Add code to make sure beginning of function is
	written into correct section (hot or cold).
	(assemble_start_function):  Add code to make sure stuff is written to
	the correct section.
	(assemble_zeros):  Add in_unlikely_text_section as an 'or' condition
	to an if statement that was checking 'in_text_section'.
	(assemble_variable):  Add 'in_unlikely_text_section' as an 'or'
	condition to an if statement that was checking 'in_text_section'.
	(default_section_type_flags_1):  Add check: if in cold section
	flags = SECTION_CODE.
	* config/darwin.c (darwin_asm_named_section):  Modify to use
	SECTION_FORMAT_STRING if we are partitioning hot/cold blocks.
	* config/i386/i386.h (HAS_LONG_COND_BRANCH): Defined this macro
	specifically for the i386.
	(HAS_LONG_UNCOND_BRANCH):  Defined this macro specifically for the i386.
	* config/rs6000/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Change
	text string to something more informative.
	(NORMAL_TEXT_SECTION_NAME): Add new definition.
	(SECTION_FORMAT_STRING):  Add new definition.
	* config/rs6000/rs6000.c (rs6000_assemble_integer):  Add
	'!in_unlikely_text_section' as an 'and' condition to an if statement
	that was already checking '!in_text_section'.
	(rs6000_override_options):  Turn on flag_reorder_blocks_and_partition
	with "-fast".
	* config/rs6000/sysv4.h (HOT_TEXT_SECTION_NAME,NORMAL_TEXT_SECTION_NAME,
	UNLIKELY_EXECUTED_TEXT_SECTION_NAME,SECTION_FORMAT_STRING): Make
	sure these are properly defined for linux on ppc.
	* doc/invoke.texi  (freorder-blocks-and-partition): Add documentation
	for this new flag.
	* doc/rtl.texi (REG_CROSSING_JUMP):  Add documentation for new
	reg_note.
	* doc/tm.texi (NORMAL_TEXT_SECTION_NAME, SECTION_FORMAT_STRING,
	HAS_LONG_COND_BRANCH, HAS_LONG_UNCOND_BRANCH): Add documentation for
	these new macros.