path: root/gcc/ChangeLog

2009-11-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/41985
	* config/i386/i386.c (get_some_local_dynamic_name): Don't assert
	function contains at least one local dynamic name.
	(print_operand) <case '&'>: Instead output operand lossage diagnostics
	here if that happens.

2009-11-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/41841
	* ipa-struct-reorg.c (build_data_structure): Don't attempt to look at
	local variables of not yet materialized clones.

2009-10-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/41837
	* ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if
	fields don't have DECL_NAME.

	PR debug/41801
	* builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode,
	call convert_memory_address on addr.

2009-11-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (xop_pmacsww, xop_pmacssww, xop_pmacsdd,
	xop_pmacssdd, xop_pmacssdql, xop_pmacssdqh, xop_pmacsdql,
	*xop_pmacsdql_mem, xop_pmacsdqh, *xop_pmacsdqh_mem, xop_pmacsswd,
	xop_pmacswd, xop_pmadcsswd, xop_pmadcswd, xop_pcmov_<mode>,
	xop_pcmov_<mode>256, xop_pperm, xop_pperm_pack_v2di_v4si,
	xop_pperm_pack_v4si_v8hi, xop_pperm_pack_v8hi_v16qi): Compress
	operand alternatives.

2009-11-06  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/x86intrin.h: Include fma4intrin.h, xopintrin.h and
	lwpintrin.h after immintrin.h.
	* config/i386/fma4intrin.h (__v8sf, __v4df, __m256, __m256d): Remove
	typedefs.

	PR middle-end/41935
	* c-common.c (fold_offsetof_1) <case ARRAY_REF>: Don't crash for VLAs
	or non-constant index, allow index one past the last element and
	allow exceeding array bound in arrays that might be used as flexible
	array members.

2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

	* doc/invoke.texi (-mlwp): Add documentation.
	* doc/extend.texi (x86 intrinsics): Add LWP intrinsics.
	* config.gcc (i[34567]86-*-*): Include lwpintrin.h.
	(x86_64-*-*): Ditto.
	* config/i386/lwpintrin.h: New file, provide x86 compiler
	intrinisics for LWP.
	* config/i386/cpuid.h (bit_LWP): Define LWP bit.
	* config/i386/x86intrin.h: Add LWP check and lwpintrin.h.
	* config/i386/i386-c.c (ix86_target_macros_internal): Check
	ISA_FLAG for LWP. 
	* config/i386/i386.h (TARGET_LWP): New macro for LWP.
	* config/i386/i386.opt (-mlwp): New switch for LWP support.
	* config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New.
	(OPTION_MASK_ISA_LWP_UNSET): New.	
	(ix86_handle_option): Handle -mlwp.
	(isa_opts): Handle -mlwp.
	(enum pta_flags): Add PTA_LWP.
	(override_options): Add LWP support.
	(IX86_BUILTIN_LLWPCB16): New for LWP intrinsic.
	(IX86_BUILTIN_LLWPCB32): Ditto.
	(IX86_BUILTIN_LLWPCB64): Ditto.
	(IX86_BUILTIN_SLWPCB16): Ditto.
	(IX86_BUILTIN_SLWPCB32): Ditto.
	(IX86_BUILTIN_SLWPCB64): Ditto.
	(IX86_BUILTIN_LWPVAL16): Ditto.
	(IX86_BUILTIN_LWPVAL32): Ditto.
	(IX86_BUILTIN_LWPVAL64): Ditto.
	(IX86_BUILTIN_LWPINS16): Ditto.
	(IX86_BUILTIN_LWPINS32): Ditto.
	(IX86_BUILTIN_LWPINS64): Ditto.
	(enum  ix86_special_builtin_type): Add LWP intrinsic support.
	(builtin_description): Ditto.
	(ix86_init_mmx_sse_builtins): Ditto.
	(ix86_expand_special_args_builtin): Ditto.
	* config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for 
	LWP support.
	(UNSPEC_SLWP_INTRINSIC): Ditto.
	(UNSPECV_LWPVAL_INTRINSIC): Ditto.
	(UNSPECV_LWPINS_INTRINSIC): Ditto.
	(lwp_llwpcbhi1): New lwp pattern.
	(lwp_llwpcbsi1): Ditto.
	(lwp_llwpcbdi1): Ditto.
	(lwp_slwpcbhi1): Ditto.
	(lwp_slwpcbsi1): Ditto.
	(lwp_slwpcbdi1): Ditto.
	(lwp_lwpvalhi3): Ditto.
	(lwp_lwpvalsi3): Ditto.
	(lwp_lwpvaldi3): Ditto.
	(lwp_lwpinshi3): Ditto.
	(lwp_lwpinssi3): Ditto.
	(lwp_lwpinsdi3): Ditto.
	
2009-11-04  Harsha Jagasia  <harsha.jagasia@amd.com>
	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
	
	* config.gcc (i[34567]86-*-*): Include xopintrin.h.
	(x86_64-*-*): Ditto.
	* config/i386/xopintrin.h: New file, provide common x86 compiler
	intrinisics for XOP.
	* config/i386/cpuid.h (bit_XOP): Define XOP bit.
	* config/i386/x86intrin.h: Add XOP check and xopintrin.h.
	* config/i386/i386-c.c(ix86_target_macros_internal): Check
	ISA_FLAG for XOP. 
	* config/i386/i386.h(TARGET_XOP): New macro for XOP.
	* config/i386/i386.opt (-mxop): New switch for XOP support.
	* config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP)
	(UNSPEC_XOP_TRUEFALSE)
	(UNSPEC_XOP_PERMUTE)
	(UNSPEC_FRCZ): Add new UNSPEC for XOP support.
	(PPERM_*): New constants for vpperm instruction.
	(xop_pcmov_<mode>): Add XOP conditional mov instructions.
	* config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New.
	(OPTION_MASK_ISA_XOP_UNSET): New.	
	(OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP.
	(ix86_handle_option): Handle -mxop.
	(isa_opts): Handle -mxop.
	(enum pta_flags): Add PTA_XOP.
	(override_options): Add XOP support.
	(print_operand): Add code for XOP compare instructions.
	(ix86_expand_sse_movcc): Extend for XOP conditional move instruction.
	(ix86_expand_int_vcond): Extend for XOP compare instruction.

	(IX86_BUILTIN_VPCMOV): New for XOP intrinsic.
	(IX86_BUILTIN_VPCMOV_V2DI): Ditto.
	(IX86_BUILTIN_VPCMOV_V4SI): Ditto.
	(IX86_BUILTIN_VPCMOV_V8HI): Ditto.
	(IX86_BUILTIN_VPCMOV_V16QI): Ditto.
	(IX86_BUILTIN_VPCMOV_V4SF): Ditto.
	(IX86_BUILTIN_VPCMOV_V2DF): Ditto.

	(IX86_BUILTIN_VPCMOV256): Ditto.
	(IX86_BUILTIN_VPCMOV_V4DI256): Ditto.
	(IX86_BUILTIN_VPCMOV_V8SI256): Ditto.
	(IX86_BUILTIN_VPCMOV_V16HI256): Ditto.
	(IX86_BUILTIN_VPCMOV_V32QI256): Ditto.
	(IX86_BUILTIN_VPCMOV_V8SF256): Ditto.
	(IX86_BUILTIN_VPCMOV_V4DF256): Ditto.

	(IX86_BUILTIN_VPPERM): Ditto.

	(IX86_BUILTIN_VPMACSSWW): Ditto.
	(IX86_BUILTIN_VPMACSWW): Ditto.
	(IX86_BUILTIN_VPMACSSWD): Ditto.
	(IX86_BUILTIN_VPMACSWD): Ditto.
	(IX86_BUILTIN_VPMACSSDD): Ditto.
	(IX86_BUILTIN_VPMACSDD): Ditto.
	(IX86_BUILTIN_VPMACSSDQL): Ditto.
	(IX86_BUILTIN_VPMACSSDQH): Ditto.
	(IX86_BUILTIN_VPMACSDQL): Ditto.
	(IX86_BUILTIN_VPMACSDQH): Ditto.
	(IX86_BUILTIN_VPMADCSSWD): Ditto.
	(IX86_BUILTIN_VPMADCSWD): Ditto.

	(IX86_BUILTIN_VPHADDBW): Ditto.
	(IX86_BUILTIN_VPHADDBD): Ditto.
	(IX86_BUILTIN_VPHADDBQ): Ditto.
	(IX86_BUILTIN_VPHADDWD): Ditto.
	(IX86_BUILTIN_VPHADDWQ): Ditto.
	(IX86_BUILTIN_VPHADDDQ): Ditto.
	(IX86_BUILTIN_VPHADDUBW): Ditto.
	(IX86_BUILTIN_VPHADDUBD): Ditto.
	(IX86_BUILTIN_VPHADDUBQ): Ditto.
	(IX86_BUILTIN_VPHADDUWD): Ditto.
	(IX86_BUILTIN_VPHADDUWQ): Ditto.
	(IX86_BUILTIN_VPHADDUDQ): Ditto.
	(IX86_BUILTIN_VPHSUBBW): Ditto.
	(IX86_BUILTIN_VPHSUBWD): Ditto.
	(IX86_BUILTIN_VPHSUBDQ): Ditto.

	(IX86_BUILTIN_VPROTB): Ditto.
	(IX86_BUILTIN_VPROTW): Ditto.
	(IX86_BUILTIN_VPROTD): Ditto.
	(IX86_BUILTIN_VPROTQ): Ditto.
	(IX86_BUILTIN_VPROTB_IMM): Ditto.
	(IX86_BUILTIN_VPROTW_IMM): Ditto.
	(IX86_BUILTIN_VPROTD_IMM): Ditto.
	(IX86_BUILTIN_VPROTQ_IMM): Ditto.

	(IX86_BUILTIN_VPSHLB): Ditto.
	(IX86_BUILTIN_VPSHLW): Ditto.
	(IX86_BUILTIN_VPSHLD): Ditto.
	(IX86_BUILTIN_VPSHLQ): Ditto.
	(IX86_BUILTIN_VPSHAB): Ditto.
	(IX86_BUILTIN_VPSHAW): Ditto.
	(IX86_BUILTIN_VPSHAD): Ditto.
	(IX86_BUILTIN_VPSHAQ): Ditto.

	(IX86_BUILTIN_VFRCZSS): Ditto.
	(IX86_BUILTIN_VFRCZSD): Ditto.
	(IX86_BUILTIN_VFRCZPS): Ditto.
	(IX86_BUILTIN_VFRCZPD): Ditto.
	(IX86_BUILTIN_VFRCZPS256): Ditto.
	(IX86_BUILTIN_VFRCZPD256): Ditto.

	(IX86_BUILTIN_VPCOMEQUB): Ditto.
	(IX86_BUILTIN_VPCOMNEUB): Ditto.
	(IX86_BUILTIN_VPCOMLTUB): Ditto.
	(IX86_BUILTIN_VPCOMLEUB): Ditto.
	(IX86_BUILTIN_VPCOMGTUB): Ditto.
	(IX86_BUILTIN_VPCOMGEUB): Ditto.
	(IX86_BUILTIN_VPCOMFALSEUB): Ditto.
	(IX86_BUILTIN_VPCOMTRUEUB): Ditto.

	(IX86_BUILTIN_VPCOMEQUW): Ditto.
	(IX86_BUILTIN_VPCOMNEUW): Ditto.
	(IX86_BUILTIN_VPCOMLTUW): Ditto.
	(IX86_BUILTIN_VPCOMLEUW): Ditto.
	(IX86_BUILTIN_VPCOMGTUW): Ditto.
	(IX86_BUILTIN_VPCOMGEUW): Ditto.
	(IX86_BUILTIN_VPCOMFALSEUW): Ditto.
	(IX86_BUILTIN_VPCOMTRUEUW): Ditto.

	(IX86_BUILTIN_VPCOMEQUD): Ditto.
	(IX86_BUILTIN_VPCOMNEUD): Ditto.
	(IX86_BUILTIN_VPCOMLTUD): Ditto.
	(IX86_BUILTIN_VPCOMLEUD): Ditto.
	(IX86_BUILTIN_VPCOMGTUD): Ditto.
	(IX86_BUILTIN_VPCOMGEUD): Ditto.
	(IX86_BUILTIN_VPCOMFALSEUD): Ditto.
	(IX86_BUILTIN_VPCOMTRUEUD): Ditto.

	(IX86_BUILTIN_VPCOMEQUQ): Ditto.
	(IX86_BUILTIN_VPCOMNEUQ): Ditto.
	(IX86_BUILTIN_VPCOMLTUQ): Ditto.
	(IX86_BUILTIN_VPCOMLEUQ): Ditto.
	(IX86_BUILTIN_VPCOMGTUQ): Ditto.
	(IX86_BUILTIN_VPCOMGEUQ): Ditto.
	(IX86_BUILTIN_VPCOMFALSEUQ): Ditto.
	(IX86_BUILTIN_VPCOMTRUEUQ): Ditto.

	(IX86_BUILTIN_VPCOMEQB): Ditto.
	(IX86_BUILTIN_VPCOMNEB): Ditto.
	(IX86_BUILTIN_VPCOMLTB): Ditto.
	(IX86_BUILTIN_VPCOMLEB): Ditto.
	(IX86_BUILTIN_VPCOMGTB): Ditto.
	(IX86_BUILTIN_VPCOMGEB): Ditto.
	(IX86_BUILTIN_VPCOMFALSEB): Ditto.
	(IX86_BUILTIN_VPCOMTRUEB): Ditto.

	(IX86_BUILTIN_VPCOMEQW): Ditto.
	(IX86_BUILTIN_VPCOMNEW): Ditto.
	(IX86_BUILTIN_VPCOMLTW): Ditto.
	(IX86_BUILTIN_VPCOMLEW): Ditto.
	(IX86_BUILTIN_VPCOMGTW): Ditto.
	(IX86_BUILTIN_VPCOMGEW): Ditto.
	(IX86_BUILTIN_VPCOMFALSEW): Ditto.
	(IX86_BUILTIN_VPCOMTRUEW): Ditto.

	(IX86_BUILTIN_VPCOMEQD): Ditto.
	(IX86_BUILTIN_VPCOMNED): Ditto.
	(IX86_BUILTIN_VPCOMLTD): Ditto.
	(IX86_BUILTIN_VPCOMLED): Ditto.
	(IX86_BUILTIN_VPCOMGTD): Ditto.
	(IX86_BUILTIN_VPCOMGED): Ditto.
	(IX86_BUILTIN_VPCOMFALSED): Ditto.
	(IX86_BUILTIN_VPCOMTRUED): Ditto.

	(IX86_BUILTIN_VPCOMEQQ): Ditto.
	(IX86_BUILTIN_VPCOMNEQ): Ditto.
	(IX86_BUILTIN_VPCOMLTQ): Ditto.
	(IX86_BUILTIN_VPCOMLEQ): Ditto.
	(IX86_BUILTIN_VPCOMGTQ): Ditto.
	(IX86_BUILTIN_VPCOMGEQ): Ditto.
	(IX86_BUILTIN_VPCOMFALSEQ): Ditto.
	(IX86_BUILTIN_VPCOMTRUEQ): Ditto.

	(enum multi_arg_type): New enum for describing the various XOP
	intrinsic argument types.
	(bdesc_multi_arg): New table for XOP intrinsics.
	(ix86_init_mmx_sse_builtins): Add XOP intrinsic support.
	(ix86_expand_multi_arg_builtin): New function for creating XOP
	intrinsics.

	* config/i386/sse.md (sserotatemax): New mode attribute for XOP.
	(xop_pmacsww): Ditto.
	(xop_pmacssww): Ditto.
	(xop_pmacsdd): Ditto.
	(xop_pmacssdd): Ditto.
	(xop_pmacssdql): Ditto.
	(xop_pmacssdqh): Ditto.
	(xop_pmacsdql): Ditto.
	(xop_pmacsdql_mem): Ditto.
	(xop_mulv2div2di3_low): Ditto.
	(xop_pmacsdqh): Ditto.
	(xop_pmacsdqh_mem): Ditto.
	(xop_mulv2div2di3_high): Ditto.
	(xop_pmacsswd): Ditto.
	(xop_pmacswd): Ditto.
	(xop_pmadcsswd): Ditto.
	(xop_pmadcswd): Ditto.
	(xop_pcmov_<mode>): Ditto.
	(xop_pcmov_<mode>)256: Ditto.
	(xop_phaddbw): Ditto.
	(xop_phaddbd): Ditto.
	(xop_phaddbq): Ditto.
	(xop_phaddwd): Ditto.
	(xop_phaddwq): Ditto.
	(xop_phadddq): Ditto.
	(xop_phaddubw): Ditto.
	(xop_phaddubd): Ditto.
	(xop_phaddubq): Ditto.
	(xop_phadduwd): Ditto.
	(xop_phadduwq): Ditto.
	(xop_phaddudq): Ditto.
	(xop_phsubbw): Ditto.
	(xop_phsubwd): Ditto.
	(xop_phsubdq): Ditto.
	(xop_pperm): Ditto.
	(rotl<mode>3): Ditto.
	(rotr<mode>3): Ditto.
	(xop_rotl<mode>3): Ditto.
	(xop_rotr<mode>3): Ditto.
	(vrotr<mode>3): Ditto.
	(vrotl<mode>3): Ditto.
	(xop_vrotl<mode>3): Ditto.
	(vlshr<mode>3): Ditto.
	(vashr<mode>3): Ditto.
	(vashl<mode>3
	(xop_ashl<mode>3): Ditto.
	(xop_lshl<mode>3): Ditto.
	(ashlv16qi3): Ditto.
	(lshlv16qi3): Ditto.
	(ashrv16qi3): Ditto.
	(ashrv2di3): Ditto.
	(xop_frcz<mode>2): Ditto.
	(xop_vmfrcz<mode>2): Ditto.
	(xop_frcz<mode>2256): Ditto.	
	(xop_maskcmp<mode>3): Ditto.
	(xop_maskcmp_uns<mode>3): Ditto.
	(xop_maskcmp_uns2<mode>3): Ditto.
	(xop_pcom_tf<mode>3): Ditto.

	* doc/invoke.texi (-mxop): Add documentation.
	* doc/extend.texi (x86 intrinsics): Add XOP intrinsics.
	
2009-10-28  Jakub Jelinek  <jakub@redhat.com>

	* var-tracking.c (emit_note_insn_var_location): Don't call the second
	vt_expand_loc unnecessarily when location is not a register nor
	memory.

2009-10-28  Richard Sandiford  <rdsandiford@googlemail.com>

	* var-tracking.c (emit_note_insn_var_location): Get the mode of
	a variable part from its REG, MEM or VALUE.

2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>

	* simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case
	for rtxes that aren't handled specially.

2009-10-22  Richard Sandiford  <rdsandiford@googlemail.com>

	* rtl.h (shallow_copy_rtvec): Declare.
	* rtl.c (shallow_copy_rtvec): New function.
	* cselib.c (cselib_subst_to_values): Use it.  Only modify an
	rtx field if the subrtx has changed.

2009-10-20  Richard Sandiford  <rdsandiford@googlemail.com>

	* rtl.h (simplify_replace_fn_rtx): Declare.
	(wrap_constant, unwrap_constant): Delete.
	* cfgexpand.c (unwrap_constant, wrap_constant): Delete.
	(expand_debug_expr): Don't call wrap_constant.
	* combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
	(auto_adjust_pair): Fold into...
	(propagate_for_debug_subst): ...here.  Only define for AUTO_INC_DEC.
	Just return a new value.
	(propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
	otherwise use simplify_replace_rtx.
	* cselib.c (wrap_constant): Reinstate old definition.
	(cselib_expand_value_rtx_1): Don't wrap constants.
	* gcse.c (try_replace_reg): Don't use copy_rtx in the call to
	simplify_replace_rtx.
	(bypass_block): Fix formatting in calls to simplify_replace_rtx.
	* reload1.c (reload): Skip all uses for an insn before adjusting it.
	Use simplify_replace_rtx.
	* simplify-rtx.c (simplify_replace_fn_rtx): New function,
	adapted from...
	(simplify_replace_rtx): ...here.  Turn into a wrapper for
	simplify_replace_fn_rtx.
	(simplify_unary_operation): Don't unwrap CONSTs.
	* var-tracking.c (check_wrap_constant): Delete.
	(vt_expand_loc_callback): Don't call it.
	(vt_expand_loc): Likewise.

2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>

	* simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
	all OLD_RTXes, not just REGs.  Use copy_rtx to create the
	replacement value.

2009-11-08  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-11-06  Michael Matz  <matz@suse.de>

	PR middle-end/41963
	* tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses
	of a potential reciprocal to really be reciprocals.

2009-11-07  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/41643
	Backport from mainline
	2009-04-03  Richard Guenther  <rguenther@suse.de>

	* tree-tailcall.c (tree_optimize_tail_calls_1): Also split the
	edge from the entry block if we have degenerate PHI nodes in
	the first basic block.

2009-11-05  Jakub Jelinek  <jakub@redhat.com>

	* c-common.c (fold_offsetof_1): Revert the recently added
	-Warray-bounds checking of offsetof arguments.

2009-11-04  Jason Merrill  <jason@redhat.com>

	PR c++/36912
	* varasm.c (initializer_constant_valid_p): A PLUS_EXPR
	or MINUS_EXPR of REAL_TYPE is not a valid constant initializer.
	(output_constant): Avoid crash after error.

2009-11-04  Uros Bizjak  <ubizjak@gmail.com>

<<<<<<< .working
=======
	PR rtl-optimization/41917
	* rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
	operand isn't known to be 0, return 1.

2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md: Fix typos.

2009-11-03  Richard Sandiford  <rdsandiford@googlemail.com>

	* doc/invoke.texi: Fix typo.

2009-11-03  Paul Brook  <paul@codesourcery.com>

	* config/arm/neon.ml (vectype): Add T_floatSF.
	(string_of_vectype): Ditto.
	* config/arm/neon-gen.ml (signed_ctype): Add T_floatSF.
	(deftypes): Use float for float32_t.
	* config/arm/arm_neon.h: Regenerate.

2009-11-03  Nick Clifton  <nickc@redhat.com>
	    Kevin Buettner  <kevinb@redhat.com>

	* config/rx/predicates.md (rx_store_multiple_vector): Reverse
	order of expected registers.
	(rx_load_multiple_vector): Likewise.
	(rx_rtsd_vector): Likewise.
	* config/rx/rx.c (rx_cpu_type): New variable.
	(rx_print_operand): Fix bug printing 64-bit constant values.
	(rx_emit_stack_pushm): Reverse order of pushed registers.
	(gen_rx_store_vector): Likewise.
	(is_fast_interrupt_func): Only accept "fast_interrupt" as the
	attribute name.
	(is_exception_func): Rename to is_interrupt_func and only accept
	"interrupt" as the attribute name.
	(rx_get_stack_layout): Use new function name.
	(rx_func_attr_inlinable): Likewise.
	(rx_attribute_table): Remove "exception".
	(rx_expand_prologue): If necessary push the accumulator register
	in the prologue of interrupt functions.
	(rx_expand_epilogue): If necessary pop the accumulator.
	(rx_builtins): Add RX_BUILTIN_MVTIPL.
	(rx_expand_builtin_stz): Remove.
	(rx_expand_builtin_mvtipl): New function.
	(rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
	(rx_expand_builtin): Likewise.
	(rx_enable_fpu): New variable.
	(rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
	* config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
	on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
	(enum rx_cpu_types): Define.
	(ASM_SPEC): Pass -m32bit-doubles on to assembler.
	(INCOMING_FRAME_SP_OFFSET): Define.
	(ARG_POINTER_CFA_OFFSET): Define.
	(FRAME_POINTER_CFA_OFFSET): Define.
	(OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
	(ALLOW_RX_FPU_INSNS): Define.
	* config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
	fast_math_flags_set_p.
	(UNSPEC_BUILTIN_MVTIPL): Define.
	(revl): Rename to bswapsi2.
	(bswaphi2): New pattern.
	(mvtachi): Mark as volatile because it uses a register unknown to GCC.
	(mvtaclo): Likewise.
	(racw): Likewise.
	(mvtc): Remove clobber of cc0.
	(mvtcp): Delete.
	(opecp): Delete.
	* config/rx/rx.opt (mieee): Remove.
	(fpu): Add.
	(nofpu): Add.
	(mcpu=): Add.
	(patch=): Add.
	(msave-acc-in-interrupts): Add.
	* config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit doubles.
	(MULTILIB_DIRS): Likewise.
	(MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
	* doc/extend.texi: Remove description of "exception" function
	attribute.
	* doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
	-msave-acc-in-interrupts options.

2009-11-03  Richard Guenther  <rguenther@suse.de>

	* c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.

2009-11-03  Dodji Seketeli  <dodji@redhat.com>

	PR c++/38699
	* c-common.c (fold_offsetof_1): Issue errors when the member
	designator of the offsetof expression is not legitimate.

2009-11-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register
	names instead of numerical constants.
	(sse_prologue_save): Ditto.
	(*sse_prologue_save_insn): Ditto.

2009-11-03  Uros Bizjak  <ubizjak@gmail.com>

>>>>>>> .merge-right.r153993
	PR target/41900
	* config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
	(TARGET_CALL_ESP): New define.
	* config/i386/i386.c (initial_ix86_tune_features): Initialize
	X86_ARCH_CALL_ESP.
	* config/i386/i386.md (*call_pop_1_esp, *call_1_esp,
	*call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1,
	*call_1, *call_value_pop_1 and *call_value_1.  Depend on
	TARGET_CALL_ESP.
	(*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
	New patterns, use "lsm" as operand 1 constraint.
	* config/i386/predicates.md (call_insn_operand): Depend on
	index_register_operand for !TARGET_CALL_ESP to avoid %esp register.

2009-11-04  Jakub Jelinek  <jakub@redhat.com>

	* c-common.c (fold_offsetof_1): Use %wd instead of
	HOST_WIDE_INT_PRINT_DEC.

2009-11-03  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/41917
	* rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
	operand isn't known to be 0, return 1.

2009-11-03  Dodji Seketeli  <dodji@redhat.com>

	* c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.

2009-11-03  Dodji Seketeli  <dodji@redhat.com>

	PR c++/38699
	* c-common.c (fold_offsetof_1): Issue errors when the member
	designator of the offsetof expression is not legitimate.

2009-11-02  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41893
	* cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL
	for a VOIDmode variable.

	PR c++/41774
	* c-pragma.c (visstack): Change into vector of ints rather than
	enum symbol_visibility.
	(push_visibility): Add kind argument, push default_visibility together
	with kind.
	(pop_visibility): Add kind argument, return true if successful, fail
	if visibility stack is empty or if stack top is of different kind.
	(handle_pragma_visibility): Don't check length of visstack, instead
	call pop_visibility and issue diagnostics if it failed.  Pass 0
	as last argument to push_visibility and pop_visibility.
	* c-pragma.h (push_visibility): Add kind argument.
	(pop_visibility): Likewise.  Return bool instead of void.

2009-10-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/41762
	* config/i386/i386.c (ix86_pic_register_p): Don't call
	rtx_equal_for_cselib_p for VALUEs discarded as useless.

2009-10-27  Jakub Jelinek  <jakub@redhat.com>

	PR c/41842
	* c-typeck.c (convert_arguments): Return -1 if any of the arguments is
	error_mark_node.

2009-10-27  Kai Tietz  <kai.tietz@onevision.com>

	Backport from mainline:
	2009-10-20  Pascal Obry  <obry@adacore.com>
		    Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens.

2009-10-26  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/41345
	* cfgcleanup.c (trivially_empty_bb_p): New function.
	(try_optimize_bb): Use it instead of checking BB_HEAD == BB_END.

	PR debug/41828
	* dwarf2out.c (add_pubname, add_pubtype, generic_parameter_die,
	add_name_and_src_coords_attributes, gen_namespace_die,
	dwarf2out_set_name): Handle dwarf2_name returning NULL.

2009-10-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/41787
	* config/rs6000/rs6000.c (struct machine_function): Add
	vsx_or_altivec_used_p to record if vector types are used.
	(rs6000_expand_to_rtl_hook): Rename from
	rs6000_alloc_sdmode_stack_slot.  If VSX, check to see if there are
	any vector operations, so if there are, we can set VRSAVE to
	non-zero when only floating point vector registers are used.
	(TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook.
	(rs6000_check_vector_mode): Inner function to check if vector
	types are used in the code.
	(compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if
	vector instructions are used.

	* config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED):
	Indicate that VSX registers which overlap floating point
	registers, can't be used across a call, since the ABI only states
	the scalar part of the register will be saved and restored.

2009-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline:
	2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
	patterns.
	* pa.c (emit_move_sequence): Check if address of operand1 is valid
	for mode mode of operand0 when doing secondary reload for SAR.

2009-10-21  Jakub Jelinek  <jakub@redhat.com>

	PR other/25507
	* doc/invoke.texi: Document -print-multi-os-directory.

2009-10-20  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead
	of TREE_CONSTANT.

2009-10-20  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41739
	* haifa-sched.c (try_ready): Skip debug deps updating speculation
	status.

2009-10-20  Alexandre Oliva  <aoliva@redhat.com>

	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard
	the removal of a debug stmt as a significant change.

2009-10-21  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline:
	2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>

	* doc/invoke.texi: Add missing option -Wp,OPTION in list,
	fix index entry for -Xpreprocessor.

2009-10-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline:
	2009-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/41702
	* pa.md (casesi): Use sign extended index in call to gen_casesi64p.
	(casesi64p): Update pattern to reflect above.

2009-10-20  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (output_move_neon): Use DImode in call to
	adjust_address.

2009-10-19  Jakub Jelinek  <jakub@redhat.com>

	* c-common.c (c_parse_error): Handle CPP_UTF8STRING.
	* c-lex.c (c_lex_with_flags): Likewise.  Test C_LEX_STRING_NO_JOIN
	instead of C_LEX_RAW_STRINGS.
	(lex_string): Handle CPP_UTF8STRING.
	* c-parser.c (c_parser_postfix_expression): Likewise.
	* c-pragma.h (C_LEX_RAW_STRINGS): Rename to ...
	(C_LEX_STRING_NO_JOIN): ... this.

2009-10-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/23983
	* config/rs6000/predicates.md: Update copyright year.
	* config/rs6000/altivec.md: Ditto.
	
	* config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def.
	(MD_INCLUDES): Add a2.md.
	
	* config/rs6000/rs6000.c (rs6000_builtin_decls): Change
	RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS.
	(builtin_classify): New static vector to classify various builtins
	to get the tree attributes correct.
	(def_builtin): Set the attributes of builtins based on what the
	builtin does (i.e. memory operation, floating point, saturation
	need special attributes, others are pure functions).

	* config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify
	the builtins.
	(enum rs6000_builtins): Include rs6000-builtin.def to define the
	builtins.  Change the end marker to MAX_RS6000_BUILTINS from
	RS6000_BUILTIN_COUNT.
	(rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to
	MAX_RS6000_BUILTINS.

	* config/rs6000/rs6000-builtin.def: New file that combines the
	builtin enumeration name and attributes.

2009-10-19  Jakub Jelinek  <jakub@redhat.com>

	* unwind-dw2.c (execute_stack_op): Fix operand order for
	DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt.

2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares.

2009-10-19  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_z10_optimize_cmp): Skip notes and debug
	insns when investigating previous or next insns.

2009-10-19  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline:
	2009-10-16  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40521
	* debug.h (struct gcc_debug_hooks): Add assembly_start hook.
	* cgraphunit.c (cgraph_optimize): Call it.
	* dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into...
	(dwarf2out_assembly_start): ... here.  New hook.
	(dwarf2out_debug_hooks): Add dwarf2out_assembly_start.
	* debug.c (do_nothing_debug_hooks): Do nothing for assembly_start
	hook.
	* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
	* sdbout.c (sdb_debug_hooks): Likewise.
	* vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start.
	(vmsdbgout_assembly_start): New hook.

	2009-10-09  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40521
	* dwarf2out.c (dwarf2out_init): Test whether
	HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
	it is defined.

	2009-10-02  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40521
	* configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
	* configure: Regenerated.
	* config.in: Regenerated.
	* dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
	!HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
	(dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
	not emitting .eh_frame, emit .cfi_sections .debug_frame
	directive.

2009-10-19  Jakub Jelinek  <jakub@redhat.com>

	* cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM
	op0.

2009-10-17  Alexandre Oliva  <aoliva@redhat.com>

	* print-rtl.c (print_rtx): Print locators in asm_operands
	and asm_input.

2009-10-17  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41535
	* sched-deps.c (depl_on_debug_p): New.
	(attach_dep_link): Reject debug deps before nondebug deps.
	(add_to_deps_list): Insert debug deps after nondebug deps.
	(sd_lists_empty_p): Stop at first nonempty list.  Disregard debug
	deps.
	(sd_add_dep): Do not reject debug deps.
	(add_insn_mem_dependence): Don't count debug deps.
	(remove_from_deps): Likewise.
	(sched_analyze_2): Set up mem deps on debug insns.
	(sched_analyze_insn): Record reg uses for deps on debug insns.
	* haifa-sched.c (schedule_insn): Reset deferred debug insn.  Don't
	try_ready nondebug insn after debug insn.
	* ddg.c (create_ddg_dep_from_intra_loop_link,
	create_ddg_dep_no_link): Don't reject debug deps.

2009-10-16  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast
	DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings.

2009-10-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline
	2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

	PR target/40913
	* config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.

	Backport from mainline
	2009-05-05  Ben Elliston  <bje@au.ibm.com>

	* config/pa/linux-atomic.c: Eliminate conditional include of
	errno.h on non-LP64 systems to simplify build requirements.

2009-10-15  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41717
	* cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR.
	* dwarf2out.c (mem_loc_descriptor): Don't handle
	POST_INT/POST_DEC/POST_MODIFY like SUBREG.  For SUBREG
	punt if it is not lowpart subreg or if inner mode isn't
	MODE_INT.

2009-10-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when
	investigating previous or next insns.

2009-10-15  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/22072
	* ira-lives.c (check_and_make_def_conflict): Process all operands.

2009-10-15  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/41665
	* config/i386/i386.md (addsi_1_zext): Get the proper second
	operand for lea.

2009-10-15  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.4.3.
	* DEV-PHASE: Set to prerelease.

2009-10-15  Release Manager

	* GCC 4.4.2 released.

2009-10-15  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't
	add --with-tune{,-32,-64} configured default for -mtune if explicit
	-mcpu is used.

2009-10-14  Jakub Jelinek  <jakub@redhat.com>

	* stor-layout.c (place_field): Don't emit -Wpadded warnings for
	fields in builtin structs.
	(finalize_record_size): Likewise.

2009-04-28  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (powerpc*-*-* | rs6000-*-*): Add
	rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
	tune_32 and tune_64.
	* doc/install.texi (--with-cpu-32, --with-cpu-64): Document
	support on PowerPC.
	* config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
	* config/rs6000/option-defaults.h: ... here.  New file.
	(OPT_64, OPT_32): Define.
	(MASK_64BIT): Define to 0 if not already defined.
	(OPT_ARCH64, OPT_ARCH32): Define.
	(OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
	and tune_64.

2009-10-14  Jakub Jelinek  <jakub@redhat.com>

	* tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
	stmts setting DEBUG_EXPR_DECLs.

	* cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
	Don't crash if mode1 is VOIDmode.

2009-10-08  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-operands.c (pop_stmt_changes): In DEBUG stmts, if
	an SSA operand is DECL_P and referenced, mark it for renaming.

2009-09-30  Alexandre Oliva  <aoliva@redhat.com>

	* tree-dfa.c (referenced_var_p): New.
	(remove_referenced_var): Clear renaming mark.
	* tree-flow.h (referenced_var_p): Declare.
	(sym_marked_for_renaming, clear_mark_for_renaming): Declare.
	* tree-into-ssa.c (clear_mark_for_renaming): New.
	(sym_marked_for_renaming): New.
	* tree-ssa-operands.c (pop_stmt_changes): Reset debug stmts
	that reference otherwise-unreferenced variables.

2009-10-14  Hans-Peter Nilsson  <hp@axis.com>

	PR target/38948
	* config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
	requests between special registers.

2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_encode_section_info): Handle BLKmode
	properly.

2009-10-12  Hans-Peter Nilsson  <hp@axis.com>

	PR target/26515
	* config/cris/cris.md (andu): Check that operand 1 is one of the
	general registers.  Fix typo in head comment.

2009-10-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/41680
	* config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
	paradoxical subregs to prevent partial register stalls if the inner
	mode is integer mode.

	PR rtl-optimization/41646
	* calls.c (expand_call): For BLKmode types returned in registers
	avoid likely spilled hard regs in copy_blkmode_from_reg generated
	insns.

2009-10-14  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/41543
	* input.h (BUILTINS_LOCATION): Change to 1 from 2.
	Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
	* tree.c: Include intl.h.
	(expand_location): Handle BUILTINS_LOCATION.
	* Makefile.in (tree.o): Depend on intl.h.

	PR debug/41695
	* dwarf2out.c (dwarf2out_var_location): Always clear
	last_postcall_label when changing last_label.

2009-10-14  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41343
	PR debug/41447
	PR debug/41264
	PR debug/41338
	* tree.c (init_ttree): DEBUG_EXPR_DECL uses decl with rtl.
	(tree_code_size, tree_node_structure): Likewise.

2009-10-13  Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.

2009-10-13  Jakub Jelinek  <jakub@redhat.com>

	PR target/41693
	* rtl.h (DEBUG_EXPR_TREE_DECL): Define.
	* sched-vis.c (print_value): Use it.
	* cselib.c (cselib_hash_rtx): Likewise.
	* print-rtl.c (print_rtx): Likewise.
	* cfgexpand.c (expand_debug_rtx): Likewise.
	* var-tracking.c (vt_expand_loc_callback): Likewise.

2009-10-12  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41343
	PR debug/41447
	PR debug/41264
	PR debug/41338
	* tree.def (DEBUG_EXPR_DECL): New.
	* rtl.def (DEBUG_EXPR): New.
	* gengtype.c (adjust_field_rtx_def): Handle it.
	* tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
	(insert_debug_temp_for_var_def): ... this.  Drop support for
	moving.  Take iterator for def stmt; insert debug stmt before it.
	Scan early for use count and kind in debug stmts.
	(propagate_defs_into_debug_stmts): Rename to...
	(insert_debug_temps_for_defs): ... this.  Likewise.
	* tree.h (DEBUG_TEMP_UID): New.
	* tree.c (next_debug_decl_uid): New.
	(make_node_stat): Count debug decls separately.
	(copy_node_stat): Likewise.
	* cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
	* var-tracking.c (dv_is_decl_p): Recognize it.
	(VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
	(track_expr_p): Track expanded DEBUG_EXPR_DECLs.
	(vt_expand_loc_callback): Expand DEBUG_EXPRs.
	(emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
	* cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
	(cselib_hash_rtx): Likewise.
	(cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
	* tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
	debug bind stmts.
	* emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
	(copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
	* rtl.c (copy_rtx): Likewise.
	(rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
	* print-rtl.c (print_rtx): Likewise.
	* sched-vis.c (print_value): Likewise.
	(print_insn): Handle DEBUG_EXPR_DECL.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
	* gimple-iterator (gsi_replace): Check for same lhs and insert debug
	temps if needed.
	(gsi_remove): Insert debug temps.
	* tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
	(move_computations_stmt): Drop explicit propagation into debug stmts.
	(rewrite_bittest): Likewise.  Use gsi_remove for propagation.
	* tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
	* tree-ssa-sink.c (statement_sink_location): Likewise.
	* tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
	* tree-ssanames.c (release_ssa_name): Adjust for rename.
	* tree-flow.h: Likewise.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
	debug temps without values.
	(eliminate_unnecessary_stmts): Don't discard just-inserted
	debug stmts.
	* tree-outof-ssa.c (rewrite_trees): Skip non-SSA uses.

2009-10-12  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41616
	* tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
	on updates too.
	(maybe_register_def): Likewise.  Take stmt iterator.
	(rewrite_update_stmt): Pass on stmt iterator.

2009-10-09  Jakub Jelinek  <jakub@redhat.com>

	PR preprocessor/41445
	* c-ppoutput.c (do_line_change): New function.
	(cb_line_change): Use it.
	(scan_translation_unit): Call do_line_change if
	avoid_paste or PREV_WHITE and token location is on a different line
	than print.src_line.

2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.

2009-10-08  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41353
	* regmove.c (regmove_backward_pass): Replace src with dst in the
	debug insn, and check for dst before rather than after.

2009-10-08  Janis Johnson <janis187@us.ibm.com>

	* config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
	(TARGET_DELEGITIMIZE_ADDRESS): Likewise.

2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
	add MASK_HARD_DFP.

2009-09-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41317
	* tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
	code dealing with plain pointer bases.
	(maybe_fold_offset_to_reference): Likewise.
	(maybe_fold_stmt_addition): Adjust.

2009-10-07  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
	DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
	refering to a DIE with DW_AT_const_value.

2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	Backport from mainline.
	* config/arm/arm.c (arm_override_options): Really initialize
	flag_dwarf2_cfi_asm to 0.

2009-10-02  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	Backport from mainline.	
	2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	* config/arm/arm.c (arm_override_options): Turn off
	flag_dwarf2_cfi_asm for AAPCS variants.

2009-10-05  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (modified_type_die): Don't add DW_AT_name to
	DW_TAG_{const,volatile}_type if its DW_AT_type already has the
	same name and isn't the main variant.

	PR debug/41558
	* dwarf2out.c (loc_by_reference): Removed.
	(dw_loc_list_1): New function.
	(dw_loc_list): Remove toplev argument, add want_address argument.
	Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
	(loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
	want_address == 2 to dw_loc_list.  For successful dw_loc_list
	set have_address to 1 only if want_address is not 0.

2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/41511
	* combine.c (record_value_for_reg): Pass explicit values as argument
	to get_last_value_validate.
	(get_last_value_validate): Document INSN parameter.
	For non-readonly MEMs, assume they might have been modified if INSN
	was in another basic block.
	(get_last_value): Minor reformatting.

2009-10-02  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41404
	PR debug/41353
	* cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
	CONST_STRING if STRING_CST contains embedded '\0's or doesn't end with
	'\0'.
	(expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
	vars use DECL_RTL with resetting it back to NULL afterwards.
	* dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
	rtx_equal_p instead of asserting it is a SYMBOL_REF.
	(value_format): For dw_val_class_addr only use DW_FORM_addr if
	the attribute type allows it, otherwise use DW_FORM_dataN.
	(mem_loc_descriptor): Handle CONST_STRING.
	(add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
	Handle MEM with CONST_STRING address using add_AT_string.
	(rtl_for_decl_init): Return MEM with CONST_STRING address instead of
	CONST_STRING for const arrays initialized with a string literal.
	(resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
	(dwarf2out_finish): Call resolve_addr.

2009-09-30  Uros Bizjak  <ubizjak@gmail.com>

	PR target/22093
	* config/alpha/alpha.md (unaligned_storehi_be): Force operand
	of plus RTX into register.

2009-09-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/fixdfdi.h: Add Runtime Library Exception wording to
	the License text.

2009-09-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/41279
	* cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
	before insn counting loop now that BB_END (bb) is counted.  Ensure
	the return value isn't zero.

2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>

	* config.gcc (i[34567]86-*-*): Include fma4intrin.h.
	(x86_64-*-*): Ditto.
	
	* config/i386/fma4intrin.h: New file, provide common x86 compiler
	intrinisics for FMA4.
	* config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
	* config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
	Add FMA4 check and fma4intrin.h.
	* config/i386/i386-c.c(ix86_target_macros_internal): Check
	ISA_FLAG for FMA4. 
	* config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
	* config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
	constant for FMA4 support.
	(UNSPEC_FMA4_FMADDSUB): Ditto.
	(UNSPEC_FMA4_FMSUBADD): Ditto.
	* config/i386/i386.opt (-mfma4): New switch for FMA4 support.
	* config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add
	declaration.
	(ix86_expand_fma4_multiple_memory): Ditto.
	* config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
	(OPTION_MASK_ISA_FMA4_UNSET): New.	
	(OPTION_MASK_ISA_SSE4A_UNSET): Change definition to
	depend on FMA4.
	(OPTION_MASK_ISA_AVX_UNSET): Change definition to
	depend on FMA4.
	(ix86_handle_option): Handle -mfma4.
	(isa_opts): Handle -mfma4.
	(enum pta_flags): Add PTA_FMA4.
	(override_options): Add FMA4 support.	
	(IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
	(IX86_BUILTIN_VFMADDSD): Ditto.
	(IX86_BUILTIN_VFMADDPS): Ditto.
	(IX86_BUILTIN_VFMADDPD): Ditto.
	(IX86_BUILTIN_VFMSUBSS): Ditto.
	(IX86_BUILTIN_VFMSUBSD): Ditto.
	(IX86_BUILTIN_VFMSUBPS): Ditto.
	(IX86_BUILTIN_VFMSUBPD): Ditto.
	(IX86_BUILTIN_VFMADDSUBPS): Ditto.
	(IX86_BUILTIN_VFMADDSUBPD): Ditto.
	(IX86_BUILTIN_VFMSUBADDPS): Ditto.
	(IX86_BUILTIN_VFMSUBADDPD): Ditto.
	(IX86_BUILTIN_VFNMADDSS): Ditto.
	(IX86_BUILTIN_VFNMADDSD): Ditto.
	(IX86_BUILTIN_VFNMADDPS): Ditto.
	(IX86_BUILTIN_VFNMADDPD): Ditto.
	(IX86_BUILTIN_VFNMSUBSS): Ditto.
	(IX86_BUILTIN_VFNMSUBSD): Ditto.
	(IX86_BUILTIN_VFNMSUBPS): Ditto.
	(IX86_BUILTIN_VFNMSUBPD): Ditto.
	(IX86_BUILTIN_VFMADDPS256): Ditto.
	(IX86_BUILTIN_VFMADDPD256): Ditto.
	(IX86_BUILTIN_VFMSUBPS256): Ditto.
	(IX86_BUILTIN_VFMSUBPD256): Ditto.
	(IX86_BUILTIN_VFMADDSUBPS256): Ditto.
	(IX86_BUILTIN_VFMADDSUBPD256): Ditto.
	(IX86_BUILTIN_VFMSUBADDPS256): Ditto.
	(IX86_BUILTIN_VFMSUBADDPD256): Ditto.
	(IX86_BUILTIN_VFNMADDPS256): Ditto.
	(IX86_BUILTIN_VFNMADDPD256): Ditto.
	(IX86_BUILTIN_VFNMSUBPS256): Ditto.
	(IX86_BUILTIN_VFNMSUBPD256): Ditto.
	(enum multi_arg_type): New enum for describing the various FMA4
	intrinsic argument types.
	(bdesc_multi_arg): New table for FMA4 intrinsics.
	(ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
	(ix86_expand_multi_arg_builtin): New function for creating FMA4
	intrinsics.
	(ix86_expand_builtin): Add FMA4 intrinsic support.
	(ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
	operand instructions.
	(ix86_expand_fma4_multiple_memory): New function to split the
	second memory reference from FMA4 instructions.
	* config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
	(ssemodesuffixf2s): Ditto.
	(fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
	instructions.
	(fma4_fmsub<mode>4): Ditto.
	(fma4_fnmadd<mode>4): Ditto.
	(fma4_fnmsub<mode>4): Ditto.
	(fma4_vmfmadd<mode>4): Ditto.
	(fma4_vmfmsub<mode>4): Ditto.
	(fma4_vmfnmadd<mode>4): Ditto.
	(fma4_vmfnmsub<mode>4): Ditto.
	(fma4_fmadd<mode>4256): Ditto.
	(fma4_fmsub<mode>4256): Ditto.
	(fma4_fnmadd<mode>4256): Ditto.
	(fma4_fnmsub<mode>4256): Ditto.
	(fma4_fmaddsubv8sf4): Ditto.
	(fma4_fmaddsubv4sf4): Ditto.
	(fma4_fmaddsubv4df4): Ditto.
	(fma4_fmaddsubv2df4): Ditto.
	(fma4_fmsubaddv8sf4): Ditto.
	(fma4_fmsubaddv4sf4): Ditto.
	(fma4_fmsubaddv4df4): Ditto.
	(fma4_fmsubaddv2df4): Ditto.
	(fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
	instructions for intrinsics.
	(fma4i_fmsub<mode>4): Ditto.
	(fma4i_fnmadd<mode>4): Ditto.
	(fma4i_fnmsub<mode>4): Ditto.
	(fma4i_vmfmadd<mode>4): Ditto.
	(fma4i_vmfmsub<mode>4): Ditto.
	(fma4i_vmfnmadd<mode>4): Ditto.
	(fma4i_vmfnmsub<mode>4): Ditto.
	(fma4i_fmadd<mode>4256): Ditto.
	(fma4i_fmsub<mode>4256): Ditto.
	(fma4i_fnmadd<mode>4256): Ditto.
	(fma4i_fnmsub<mode>4256): Ditto.
	(fma4i_fmaddsubv8sf4): Ditto.
	(fma4i_fmaddsubv4sf4): Ditto.
	(fma4i_fmaddsubv4df4): Ditto.
	(fma4i_fmaddsubv2df4): Ditto.
	(fma4i_fmsubaddv8sf4): Ditto.
	(fma4i_fmsubaddv4sf4): Ditto.
	(fma4i_fmsubaddv4df4): Ditto.
	(fma4i_fmsubaddv2df4): Ditto.

	* doc/invoke.texi (-mfma4): Add documentation.
	* doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.

2009-09-29  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41438
	* dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
	functions.
	(mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
	out if !const_ok_for_output.

	PR debug/41474
	* dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
	case VAR_LOCATION>: Remove gcc_unreachable ().

2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>

	* config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
	(x86_64-*-*): Ditto.	
	* config/i386/smmintrin.h: Move instructions in mmintrin-common.h
	back to smmintrin.h.
	* config/i386/cpuid.h: (bit_SSE5): Remove SSE5 bit.
	* config/i386/x86intrin.h: Remove SSE5.
	* config/i386/mmintrin-common.h: Delete file.	
	* doc/extend.texi (x86 intrinsics): Remove SSE5 flags
	and builtins.

2009-09-25  Jakub Jelinek  <jakub@redhat.com>

	* tree-vect-transform.c (vectorizable_call): Call
	mark_symbols_for_renaming after vect_finish_stmt_generation.

2009-09-25  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
	form of instruction.

2009-09-24  Kai Tietz  <kai.tietz@onevision.com>

	* libgcc2.c (L_trampoline): Prototype for getpagesize
	and mprotect in WINNT case.

2009-09-25  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
	to loc_descriptor_from_tree.
	(add_location_or_const_value_attribute): Pass 0 instead of 2
	for decl_by_reference_p decls.

2009-09-24  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/41457
	* dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
	return false instead of gcc_unreachable ().  For CONST return the
	value returned by recursive call instead of always returning true.
	(tree_add_const_value_attribute): Return the value returned by
	add_const_value_attribute instead of always returning true if rtl
	is non-NULL.

2009-09-25  Ben Elliston  <bje@au.ibm.com>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
	after `power7'.

2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/predicates.md (indexed_or_indirect_operand):
	Delete VSX load/store with update support.
	* config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
	* config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
	(vsx_movti): Ditto.
	(VSX_U): Delete.
	(VSbit): Ditto.
	(VStype_load_update): Ditto.
	(VStype_store_update): Ditto.
	(vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
	(vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.

	* config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
	load/store with update builtins.

2009-08-25 Jan Hubicka  <jh@suse.cz>

	* config/i386/bmmintrin.h: Replace by #error.

	Revert:
	Michael Meissner  <michael.meissner@amd.com>
	Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
	Tony Linthicum  <tony.linthicum@amd.com>

	* config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
	(TARGET_ROUND): New macro for the round/ptest instructions which
	are shared between SSE4.1 and SSE5.
	(OPTION_MASK_ISA_ROUND): Ditto.
	(OPTION_ISA_ROUND): Ditto.
	(TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
	(TARGET_CPU_CPP_BUILTINS): Add SSE5 support.

	* config/i386/i386.opt (-msse5): New switch for SSE5 support.
	(-mfused-madd): New switch to give users control over whether the
	compiler optimizes to use the multiply/add SSE5 instructions.

	* config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
	(ix86_handle_option): Turn off 3dnow if -msse5.
	(override_options): Add SSE5 support.
	(print_operand): %Y prints comparison codes for SSE5 com/pcom
	instructions.
	(ix86_expand_sse_movcc): Add SSE5 support.
	(ix86_expand_sse5_unpack): New function to use pperm to unpack a
	vector type to the next largest size.
	(ix86_expand_sse5_pack): New function to use pperm to pack a
	vector type to the next smallest size.
	(IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
	(IX86_BUILTIN_FMADDSD): Ditto.
	(IX86_BUILTIN_FMADDPS): Ditto.
	(IX86_BUILTIN_FMADDPD): Ditto.
	(IX86_BUILTIN_FMSUBSS): Ditto.
	(IX86_BUILTIN_FMSUBSD): Ditto.
	(IX86_BUILTIN_FMSUBPS): Ditto.
	(IX86_BUILTIN_FMSUBPD): Ditto.
	(IX86_BUILTIN_FNMADDSS): Ditto.
	(IX86_BUILTIN_FNMADDSD): Ditto.
	(IX86_BUILTIN_FNMADDPS): Ditto.
	(IX86_BUILTIN_FNMADDPD): Ditto.
	(IX86_BUILTIN_FNMSUBSS): Ditto.
	(IX86_BUILTIN_FNMSUBSD): Ditto.
	(IX86_BUILTIN_FNMSUBPS): Ditto.
	(IX86_BUILTIN_FNMSUBPD): Ditto.
	(IX86_BUILTIN_PCMOV_V2DI): Ditto.
	(IX86_BUILTIN_PCMOV_V4SI): Ditto.
	(IX86_BUILTIN_PCMOV_V8HI): Ditto.
	(IX86_BUILTIN_PCMOV_V16QI): Ditto.
	(IX86_BUILTIN_PCMOV_V4SF): Ditto.
	(IX86_BUILTIN_PCMOV_V2DF): Ditto.
	(IX86_BUILTIN_PPERM): Ditto.
	(IX86_BUILTIN_PERMPS): Ditto.
	(IX86_BUILTIN_PERMPD): Ditto.
	(IX86_BUILTIN_PMACSSWW): Ditto.
	(IX86_BUILTIN_PMACSWW): Ditto.
	(IX86_BUILTIN_PMACSSWD): Ditto.
	(IX86_BUILTIN_PMACSWD): Ditto.
	(IX86_BUILTIN_PMACSSDD): Ditto.
	(IX86_BUILTIN_PMACSDD): Ditto.
	(IX86_BUILTIN_PMACSSDQL): Ditto.
	(IX86_BUILTIN_PMACSSDQH): Ditto.
	(IX86_BUILTIN_PMACSDQL): Ditto.
	(IX86_BUILTIN_PMACSDQH): Ditto.
	(IX86_BUILTIN_PMADCSSWD): Ditto.
	(IX86_BUILTIN_PMADCSWD): Ditto.
	(IX86_BUILTIN_PHADDBW): Ditto.
	(IX86_BUILTIN_PHADDBD): Ditto.
	(IX86_BUILTIN_PHADDBQ): Ditto.
	(IX86_BUILTIN_PHADDWD): Ditto.
	(IX86_BUILTIN_PHADDWQ): Ditto.
	(IX86_BUILTIN_PHADDDQ): Ditto.
	(IX86_BUILTIN_PHADDUBW): Ditto.
	(IX86_BUILTIN_PHADDUBD): Ditto.
	(IX86_BUILTIN_PHADDUBQ): Ditto.
	(IX86_BUILTIN_PHADDUWD): Ditto.
	(IX86_BUILTIN_PHADDUWQ): Ditto.
	(IX86_BUILTIN_PHADDUDQ): Ditto.
	(IX86_BUILTIN_PHSUBBW): Ditto.
	(IX86_BUILTIN_PHSUBWD): Ditto.
	(IX86_BUILTIN_PHSUBDQ): Ditto.
	(IX86_BUILTIN_PROTB): Ditto.
	(IX86_BUILTIN_PROTW): Ditto.
	(IX86_BUILTIN_PROTD): Ditto.
	(IX86_BUILTIN_PROTQ): Ditto.
	(IX86_BUILTIN_PROTB_IMM): Ditto.
	(IX86_BUILTIN_PROTW_IMM): Ditto.
	(IX86_BUILTIN_PROTD_IMM): Ditto.
	(IX86_BUILTIN_PROTQ_IMM): Ditto.
	(IX86_BUILTIN_PSHLB): Ditto.
	(IX86_BUILTIN_PSHLW): Ditto.
	(IX86_BUILTIN_PSHLD): Ditto.
	(IX86_BUILTIN_PSHLQ): Ditto.
	(IX86_BUILTIN_PSHAB): Ditto.
	(IX86_BUILTIN_PSHAW): Ditto.
	(IX86_BUILTIN_PSHAD): Ditto.
	(IX86_BUILTIN_PSHAQ): Ditto.
	(IX86_BUILTIN_FRCZSS): Ditto.
	(IX86_BUILTIN_FRCZSD): Ditto.
	(IX86_BUILTIN_FRCZPS): Ditto.
	(IX86_BUILTIN_FRCZPD): Ditto.
	(IX86_BUILTIN_CVTPH2PS): Ditto.
	(IX86_BUILTIN_CVTPS2PH): Ditto.
	(IX86_BUILTIN_COMEQSS): Ditto.
	(IX86_BUILTIN_COMNESS): Ditto.
	(IX86_BUILTIN_COMLTSS): Ditto.
	(IX86_BUILTIN_COMLESS): Ditto.
	(IX86_BUILTIN_COMGTSS): Ditto.
	(IX86_BUILTIN_COMGESS): Ditto.
	(IX86_BUILTIN_COMUEQSS): Ditto.
	(IX86_BUILTIN_COMUNESS): Ditto.
	(IX86_BUILTIN_COMULTSS): Ditto.
	(IX86_BUILTIN_COMULESS): Ditto.
	(IX86_BUILTIN_COMUGTSS): Ditto.
	(IX86_BUILTIN_COMUGESS): Ditto.
	(IX86_BUILTIN_COMORDSS): Ditto.
	(IX86_BUILTIN_COMUNORDSS): Ditto.
	(IX86_BUILTIN_COMFALSESS): Ditto.
	(IX86_BUILTIN_COMTRUESS): Ditto.
	(IX86_BUILTIN_COMEQSD): Ditto.
	(IX86_BUILTIN_COMNESD): Ditto.
	(IX86_BUILTIN_COMLTSD): Ditto.
	(IX86_BUILTIN_COMLESD): Ditto.
	(IX86_BUILTIN_COMGTSD): Ditto.
	(IX86_BUILTIN_COMGESD): Ditto.
	(IX86_BUILTIN_COMUEQSD): Ditto.
	(IX86_BUILTIN_COMUNESD): Ditto.
	(IX86_BUILTIN_COMULTSD): Ditto.
	(IX86_BUILTIN_COMULESD): Ditto.
	(IX86_BUILTIN_COMUGTSD): Ditto.
	(IX86_BUILTIN_COMUGESD): Ditto.
	(IX86_BUILTIN_COMORDSD): Ditto.
	(IX86_BUILTIN_COMUNORDSD): Ditto.
	(IX86_BUILTIN_COMFALSESD): Ditto.
	(IX86_BUILTIN_COMTRUESD): Ditto.
	(IX86_BUILTIN_COMEQPS): Ditto.
	(IX86_BUILTIN_COMNEPS): Ditto.
	(IX86_BUILTIN_COMLTPS): Ditto.
	(IX86_BUILTIN_COMLEPS): Ditto.
	(IX86_BUILTIN_COMGTPS): Ditto.
	(IX86_BUILTIN_COMGEPS): Ditto.
	(IX86_BUILTIN_COMUEQPS): Ditto.
	(IX86_BUILTIN_COMUNEPS): Ditto.
	(IX86_BUILTIN_COMULTPS): Ditto.
	(IX86_BUILTIN_COMULEPS): Ditto.
	(IX86_BUILTIN_COMUGTPS): Ditto.
	(IX86_BUILTIN_COMUGEPS): Ditto.
	(IX86_BUILTIN_COMORDPS): Ditto.
	(IX86_BUILTIN_COMUNORDPS): Ditto.
	(IX86_BUILTIN_COMFALSEPS): Ditto.
	(IX86_BUILTIN_COMTRUEPS): Ditto.
	(IX86_BUILTIN_COMEQPD): Ditto.
	(IX86_BUILTIN_COMNEPD): Ditto.
	(IX86_BUILTIN_COMLTPD): Ditto.
	(IX86_BUILTIN_COMLEPD): Ditto.
	(IX86_BUILTIN_COMGTPD): Ditto.
	(IX86_BUILTIN_COMGEPD): Ditto.
	(IX86_BUILTIN_COMUEQPD): Ditto.
	(IX86_BUILTIN_COMUNEPD): Ditto.
	(IX86_BUILTIN_COMULTPD): Ditto.
	(IX86_BUILTIN_COMULEPD): Ditto.
	(IX86_BUILTIN_COMUGTPD): Ditto.
	(IX86_BUILTIN_COMUGEPD): Ditto.
	(IX86_BUILTIN_COMORDPD): Ditto.
	(IX86_BUILTIN_COMUNORDPD): Ditto.
	(IX86_BUILTIN_COMFALSEPD): Ditto.
	(IX86_BUILTIN_COMTRUEPD): Ditto.
	(IX86_BUILTIN_PCOMEQUB): Ditto.
	(IX86_BUILTIN_PCOMNEUB): Ditto.
	(IX86_BUILTIN_PCOMLTUB): Ditto.
	(IX86_BUILTIN_PCOMLEUB): Ditto.
	(IX86_BUILTIN_PCOMGTUB): Ditto.
	(IX86_BUILTIN_PCOMGEUB): Ditto.
	(IX86_BUILTIN_PCOMFALSEUB): Ditto.
	(IX86_BUILTIN_PCOMTRUEUB): Ditto.
	(IX86_BUILTIN_PCOMEQUW): Ditto.
	(IX86_BUILTIN_PCOMNEUW): Ditto.
	(IX86_BUILTIN_PCOMLTUW): Ditto.
	(IX86_BUILTIN_PCOMLEUW): Ditto.
	(IX86_BUILTIN_PCOMGTUW): Ditto.
	(IX86_BUILTIN_PCOMGEUW): Ditto.
	(IX86_BUILTIN_PCOMFALSEUW): Ditto.
	(IX86_BUILTIN_PCOMTRUEUW): Ditto.
	(IX86_BUILTIN_PCOMEQUD): Ditto.
	(IX86_BUILTIN_PCOMNEUD): Ditto.
	(IX86_BUILTIN_PCOMLTUD): Ditto.
	(IX86_BUILTIN_PCOMLEUD): Ditto.
	(IX86_BUILTIN_PCOMGTUD): Ditto.
	(IX86_BUILTIN_PCOMGEUD): Ditto.
	(IX86_BUILTIN_PCOMFALSEUD): Ditto.
	(IX86_BUILTIN_PCOMTRUEUD): Ditto.
	(IX86_BUILTIN_PCOMEQUQ): Ditto.
	(IX86_BUILTIN_PCOMNEUQ): Ditto.
	(IX86_BUILTIN_PCOMLTUQ): Ditto.
	(IX86_BUILTIN_PCOMLEUQ): Ditto.
	(IX86_BUILTIN_PCOMGTUQ): Ditto.
	(IX86_BUILTIN_PCOMGEUQ): Ditto.
	(IX86_BUILTIN_PCOMFALSEUQ): Ditto.
	(IX86_BUILTIN_PCOMTRUEUQ): Ditto.
	(IX86_BUILTIN_PCOMEQB): Ditto.
	(IX86_BUILTIN_PCOMNEB): Ditto.
	(IX86_BUILTIN_PCOMLTB): Ditto.
	(IX86_BUILTIN_PCOMLEB): Ditto.
	(IX86_BUILTIN_PCOMGTB): Ditto.
	(IX86_BUILTIN_PCOMGEB): Ditto.
	(IX86_BUILTIN_PCOMFALSEB): Ditto.
	(IX86_BUILTIN_PCOMTRUEB): Ditto.
	(IX86_BUILTIN_PCOMEQW): Ditto.
	(IX86_BUILTIN_PCOMNEW): Ditto.
	(IX86_BUILTIN_PCOMLTW): Ditto.
	(IX86_BUILTIN_PCOMLEW): Ditto.
	(IX86_BUILTIN_PCOMGTW): Ditto.
	(IX86_BUILTIN_PCOMGEW): Ditto.
	(IX86_BUILTIN_PCOMFALSEW): Ditto.
	(IX86_BUILTIN_PCOMTRUEW): Ditto.
	(IX86_BUILTIN_PCOMEQD): Ditto.
	(IX86_BUILTIN_PCOMNED): Ditto.
	(IX86_BUILTIN_PCOMLTD): Ditto.
	(IX86_BUILTIN_PCOMLED): Ditto.
	(IX86_BUILTIN_PCOMGTD): Ditto.
	(IX86_BUILTIN_PCOMGED): Ditto.
	(IX86_BUILTIN_PCOMFALSED): Ditto.
	(IX86_BUILTIN_PCOMTRUED): Ditto.
	(IX86_BUILTIN_PCOMEQQ): Ditto.
	(IX86_BUILTIN_PCOMNEQ): Ditto.
	(IX86_BUILTIN_PCOMLTQ): Ditto.
	(IX86_BUILTIN_PCOMLEQ): Ditto.
	(IX86_BUILTIN_PCOMGTQ): Ditto.
	(IX86_BUILTIN_PCOMGEQ): Ditto.
	(IX86_BUILTIN_PCOMFALSEQ): Ditto.
	(IX86_BUILTIN_PCOMTRUEQ): Ditto.
	(enum multi_arg_type): New enum for describing the various SSE5
	intrinsic argument types.
	(bdesc_multi_arg): New table for SSE5 intrinsics.
	(ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
	(ix86_expand_multi_arg_builtin): New function for creating SSE5
	intrinsics.
	(ix86_expand_builtin): Add SSE5 intrinsic support.
	(ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
	operand instructions.
	(ix86_expand_sse5_multiple_memory): New function to split the
	second memory reference from SSE5 instructions.
	(type_has_variadic_args_p): Delete in favor of stdarg_p.
	(ix86_return_pops_args): Use stdarg_p to determine if the function
	has variable arguments.
	(ix86_setup_incoming_varargs): Ditto.
	(x86_this_parameter): Ditto.

	* config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
	declaration.
	(ix86_expand_sse5_pack): Ditto.
	(ix86_sse5_valid_op_p): Ditto.
	(ix86_expand_sse5_multiple_memory): Ditto.

	* config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
	constant for SSE5 support.
	(UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
	(UNSPEC_SSE5_TRUEFALSE): Ditto.
	(UNSPEC_SSE5_PERMUTE): Ditto.
	(UNSPEC_SSE5_ASHIFT): Ditto.
	(UNSPEC_SSE5_LSHIFT): Ditto.
	(UNSPEC_FRCZ): Ditto.
	(UNSPEC_CVTPH2PS): Ditto.
	(UNSPEC_CVTPS2PH): Ditto.
	(PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
	(PCOM_TRUE): Ditto.
	(COM_FALSE_S): Ditto.
	(COM_FALSE_P): Ditto.
	(COM_TRUE_S): Ditto.
	(COM_TRUE_P): Ditto.
	(type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
	(unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
	types.
	(memory attribute): Ditto.
	(sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
	Use SSE4_1_ROUND_* constants instead of hard coded numbers.
	(rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
	(floor<mode>2): Ditto.
	(ceil<mode>2): Ditto.
	(btrunc<mode>2): Ditto.
	(nearbyintdf2): Ditto.
	(nearbyintsf2): Ditto.
	(sse_setccsf): Disable if SSE5.
	(sse_setccdf): Ditto.
	(sse5_setcc<mode>): New support for SSE5 conditional move.
	(sse5_pcmov_<mode>): Ditto.

	* config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
	(SSEMODEF4): Ditto.
	(SSEMODEF2P): Ditto.
	(ssemodesuffixf4): New mode attribute for SSE5.
	(ssemodesuffixf2s): Ditto.
	(ssemodesuffixf2c): Ditto.
	(sserotatemax): Ditto.
	(ssescalarmode): Ditto.
	(sse_maskcmpv4sf3): Disable if SSE5.
	(sse_maskcmpv2df3): Ditto.
	(sse_vmmaskcmpv4sf3): Ditto.
	(sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
	instructions.
	(sse5_vmfmadd<mode>4): Ditto.
	(sse5_fmsub<mode>4): Ditto.
	(sse5_vmfmsub<mode>4): Ditto.
	(sse5_fnmadd<mode>4): Ditto.
	(sse5_vmfnmadd<mode>4): Ditto.
	(sse5_fnmsub<mode>4): Ditto.
	(sse5_vmfnmsub<mode>4): Ditto.
	(sse5i_fmadd<mode>4): Ditto.
	(sse5i_fmsub<mode>4): Ditto.
	(sse5i_fnmadd<mode>4): Ditto.
	(sse5i_fnmsub<mode>4): Ditto.
	(sse5i_vmfmadd<mode>4): Ditto.
	(sse5i_vmfmsub<mode>4): Ditto.
	(sse5i_vmfnmadd<mode>4): Ditto.
	(sse5i_vmfnmsub<mode>4): Ditto.
	(mulv16qi3): Add SSE5 support.
	(mulv4si3): Ditto.
	(sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
	(sse2_mulv4si3): Disable if SSE5.
	(sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
	(sse4_1_roundps): Ditto.
	(sse4_1_roundsd): Ditto.
	(sse4_1_roundss): Ditto.
	(sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
	be generated.
	(sse_maskcmpsf3): Ditto.
	(sse_vmmaskcmpv4sf3): Ditto.
	(sse2_maskcmpv2df3): Ditto.
	(sse2_maskcmpdf3): Ditto.
	(sse2_vmmaskcmpv2df3): Ditto.
	(sse2_eq<mode>3): Ditto.
	(sse2_gt<mode>3): Ditto.
	(sse5_pcmov_<mode>): Add SSE5 support.
	(vec_unpacku_hi_v16qi): Ditto.
	(vec_unpacks_hi_v16qi): Ditto.
	(vec_unpacku_lo_v16qi): Ditto.
	(vec_unpacks_lo_v16qi): Ditto.
	(vec_unpacku_hi_v8hi): Ditto.
	(vec_unpacks_hi_v8hi): Ditto.
	(vec_unpacku_lo_v8hi): Ditto.
	(vec_unpacks_lo_v8hi): Ditto.
	(vec_unpacku_hi_v4si): Ditto.
	(vec_unpacks_hi_v4si): Ditto.
	(vec_unpacku_lo_v4si): Ditto.
	(vec_unpacks_lo_v4si): Ditto.
	(sse5_pmacsww): New SSE5 intrinsic insn.
	(sse5_pmacssww): Ditto.
	(sse5_pmacsdd): Ditto.
	(sse5_pmacssdd): Ditto.
	(sse5_pmacssdql): Ditto.
	(sse5_pmacssdqh): Ditto.
	(sse5_pmacsdqh): Ditto.
	(sse5_pmacsswd): Ditto.
	(sse5_pmacswd): Ditto.
	(sse5_pmadcsswd): Ditto.
	(sse5_pmadcswd): Ditto.
	(sse5_pcmov_<move>): Conditional move support on SSE5.
	(sse5_phaddbw): New SSE5 intrinsic insn.
	(sse5_phaddbd): Ditto.
	(sse5_phaddbq): Ditto.
	(sse5_phaddwd): Ditto.
	(sse5_phaddwq): Ditto.
	(sse5_phadddq): Ditto.
	(sse5_phaddubw): Ditto.
	(sse5_phaddubd): Ditto.
	(sse5_phaddubq): Ditto.
	(sse5_phadduwd): Ditto.
	(sse5_phadduwq): Ditto.
	(sse5_phaddudq): Ditto.
	(sse5_phsubbw): Ditto.
	(sse5_phsubwd): Ditto.
	(sse5_phsubdq): Ditto.
	(sse5_pperm): Ditto.
	(sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
	(sse5_pperm_zero_v16qi_v8hi): Ditto.
	(sse5_pperm_sign_v8hi_v4si): Ditto.
	(sse5_pperm_zero_v8hi_v4si): Ditto.
	(sse5_pperm_sign_v4si_v2di): Ditto.
	(sse5_pperm_sign_v4si_v2di): Ditto.
	(sse5_pperm_pack_v2di_v4si): Ditto.
	(sse5_pperm_pack_v4si_v8hi): Ditto.
	(sse5_pperm_pack_v8hi_v16qi): Ditto.
	(sse5_perm<mode>): New SSE5 intrinsic insn.
	(rotl<mode>3): Ditto.
	(sse5_rotl<mode>3): Ditto.
	(sse5_ashl<mode>3): Ditto.
	(sse5_lshl<mode>3): Ditto.
	(sse5_frcz<mode>2): Ditto.
	(sse5s_frcz<mode>2): Ditto.
	(sse5_cvtph2ps): Ditto.
	(sse5_cvtps2ph): Ditto.
	(sse5_vmmaskcmp<mode>3): Ditto.
	(sse5_com_tf<mode>3): Ditto.
	(sse5_maskcmp<mode>3): Ditto.
	(sse5_maskcmp_uns<mode>3): Ditto.
	(sse5_maskcmp_uns2<mode>3): Ditto.
	(sse5_pcom_tf<mode>3): Ditto.
	
	* config/i386/predicates.md (sse5_comparison_float_operator): New predicate to match the
	comparison operators supported by the SSE5 com instruction.
	(ix86_comparison_int_operator): New predicate to match just the
	signed int comparisons.
	(ix86_comparison_uns_operator): New predicate to match just the
	unsigned int comparisons.

	* doc/invoke.texi (-msse5): Add documentation.
	(-mfused-madd): Ditto.

	* doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.

	* config.gcc (i[34567]86-*-*): Include bmmintrin.h and
	mmintrin-common.h.
	(x86_64-*-*): Ditto.

	* config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.

	* config/i386/bmmintrin.h: New file, provide common x86 compiler
	intrinisics for SSE5.

	* config/i386/smmintrin.h: Move instructions shared with SSE5 to
	mmintrin-common.h.

	* config/i386/mmintrin-common.h: New file, to contain common
	instructions between SSE4.1 and SSE5.

	* config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
	FOREACH_FUNCTION_ARGS to iterate over the argument list.
	(gen_regparm_prefix): Ditto.

	* config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
	FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
	prototype_p to determine if a function is prototyped.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41439
	* dwarf2out.c (address_of_int_loc_descriptor): Don't emit
	DW_OP_piece after DW_OP_stack_value, adjust size calculations
	for it, when DW_OP_stack_value and DW_OP_implicit_value has
	the same size, prefer DW_OP_stack_value.
	(loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
	loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.

2009-09-23  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41353
	* var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.

2009-09-23  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41248
	* cfgexpand.c (convert_debug_memory_address): New.
	(expand_debug_expr): Convert base address and offset to the same
	mode.  Use it to convert addresses to other modes.  Accept
	ptr_mode addresses.

2009-09-23  Dodji Seketeli  <dodji@redhat.com>

	PR debug/41065
	* function.h (types_used_by_vars_hash): Declare new hash table.
	(types_used_by_vars_eq, types_used_by_var_decl_insert): Declare
	equality and hash function for the hash table.
	(types_used_by_cur_var_decl): Declare a new global chained list.
	(types_used_by_var_decl_insert): Declare new function.
	* function.c (types_used_by_vars_hash): Define the hashtable ...
	(types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as
	its equality and hash functions.
	(hash_types_used_by_vars_entry): New hash helper.
	(types_used_by_cur_var_decl): Define the global chained list.
	(used_types_insert): Update the list of types used by the global
	variable being parsed.
	(types_used_by_var_decl_insert): Define new function.
	* c-common.h (record_types_used_by_current_var_decl): Declare ...
	* c-common.c (record_types_used_by_current_var_decl): ... new
	function.
	* c-decl.c (finish_decl): Record the types used by the global
	variable declaration we've just parsed.
	* dwarf2out.c (premark_used_types): Insert a new line between
	comment and function.
	(premark_used_types_helper): Fix comment.
	(premark_types_used_by_global_vars_helper,
	premark_types_used_by_global_vars): New functions.
	(prune_unused_types): Do not prune types used by global variables.

2009-09-23  Uros Bizjak  <ubizjak@gmail.com>

	PR c/39779
	* c-typeck.c (build_binary_op) <short_shift>: Check that integer
	constant is more than zero.

2009-09-21  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_override_options): Force
	flag_dwarf2_cfi_asm to zero.

2009-09-21  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
	xmm register restore.

2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
	    Pascal Obry  <obry@adacore.com>

	Backport from mainline
	* unwind-dw2-fde.c (classify_object_over_fdes):
	Cast the constant 1 to _Unwind_Ptr.
	(add_fdes): Likewise.
	(linear_search_fdes): Likewise.

2009-09-18  Jason Merrill  <jason@redhat.com>

	* c.opt: Add -fno-deduce-init-list.

2009-09-18  Janis Johnson  <janis187@us.ibm.com>

	PR c/41049
	* real.c decimal_from_integer, decimal_integer_string): New.
	(real_from_integer): Use them as special case for decimal float.
	* config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
	(_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
	Do not append zero after the decimal point in string to convert.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/41405
	* doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>
	    Jan Hubicka  <jh@suse.cz>

	* dwarf2out.c (loc_list_plus_const): Only define if
	DWARF2_DEBUGGING_INFO.
	(address_of_int_loc_descriptor): Likewise.

	PR debug/41411
	* dwarf2out.c (mem_loc_descriptor): Handle HIGH.

2009-09-23  Alan Modra  <amodra@bigpond.net.au>

	PR target/40473
	* config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
	call final to emit non-scheduled prologue, instead insert at entry.

2009-09-22  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41295
	* reload1.c (reload): Reset debug insns with pseudos without
	equivalences.

2009-09-22  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
	for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.

	* reload1.c (reload): Call wrap_constant when substituting
	reg for equiv inside of DEBUG_INSNs.

	PR bootstrap/41405
	* dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
	add_call_src_coords_attributes, add_high_low_attributes,
	gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
	gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
	dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
	when -gdwarf-2 -gstrict-dwarf.
	(loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
	-gdwarf-[23] -gstrict-dwarf.
	(address_of_int_loc_descriptor, loc_descriptor,
	loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
	DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
	* common.opt (gno-strict-dwarf, gstrict-dwarf): New options.

2009-09-22  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
	comparison warning on rs6000.

2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR bootstrap/41404
	* dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
	we can handle it correctly.

2009-09-21  Jan Hubicka  <jh@suse.cz>

	* dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
	(dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
	restore at the end.

2009-09-20  Jan Hubicka  <jh@suse.cz>

	* dwarf2out.c (add_const_value_attribute): Return true if successful.
	(add_location_or_const_value_attribute): Rewrite using loc_list_from_tree.
	(tree_add_const_value_attribute): Return true if successful.
	(tree_add_const_value_attribute_for_decl): Likewise.

	* dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
	(loc_descriptor): ... here;
	(loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
	(cst_pool_loc_descr): Break out from ...; do not reffer constant
	pool items that was not marked for output.
	(loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
	(loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
	(loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
	handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
	IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
	CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
	DW_OP_stack_value to get address of items that are not available
	as addresses.
	(dw_loc_list): Handle single element lists correctly.

2009-09-19  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
	*restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
	*return_and_restore_fpregs_<mode>,
	*return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.

	PR bootstrap/41397
	* dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
	instead of assuming it has always a REG inside of it.

2009-09-17  Jan Hubicka  <jh@suse.cz>

	* dwarf2out.c: Include tree-pass.h and gimple.h.
	(loc_list_plus_const): New function.
	(loc_descriptor_from_tree_1): Rename to ...
	(loc_descriptor_from_tree): ... remove original.
	(loc_list_from_tree): New function.
	(add_AT_location_description): Accept location list.
	(tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
	(concatn_mem_loc_descriptor): Remove.
	(mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
	returning NULL.
	(secname_for_decl): Move up.
	(hidden_reference_p): New function; break out from ...
	(loc_by_refernece): ... here; move up.
	(dw_loc_list): New function.
	(single_element_loc_list): New function.
	(single_element_loc_list_p): New function.
	(add_loc_descr_to_each): New function.
	(add_loc_list): New function.
	(loc_descr_from_tree): Make wraper of loc_list_from_tree.
	(loc_list_from_tree): Reroganized from loc_descr_from_tree;
	add diagnostics why expansion failed.
	(add_location_or_const_value_attribute): Support location lists.
	(add_bound_info): Likewise.
	(descr_info_loc): Update call of loc_descriptor_from_tree.
	(gen_variable_die): Work on location lists.
	* final.c (pass_final): Add dump file.
	* Makefile.in (dwarf2out.o): Add new dependencies.

2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/41175
	PR target/40677
	* config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
	problem.
	(SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
	SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
	(rs6000_savres_strategy): Always save FP registers inline if the
	target doesn't support hardware double-precision.  Set the above
	bits in return value when needed.
	(rs6000_savres_routine_sym): Fix computation for cache selector.
	Mark the generated symbol as a function.  Rename exitp argument to
	lr.  Move code for determining the name of the symbol...
	(rs6000_savres_routine_name): ...here.  New function.  Add cases for
	getting the names right on AIX and 64-bit Linux.
	(savres_routine_name): New variable.
	(rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
	lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
	on what the target routine uses as a base register.  If savep && lr
	describe saving of r0 into memory slot.
	(rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
	line calls for AIX ABI.
	(rs6000_output_function_prologue): Use rs6000_savres_routine_name to
	determine FP save/restore functions.
	(rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
	frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
	gen_addsi3.
	(rs6000_emit_epilogue): Adjust computation of restore_lr.
	Duplicate restoration of LR and execute the appropriate one
	depending on whether GPRs are being restored inline.  Set r11 from
	offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
	r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
	Fix out of line calls for AIX ABI.
	* config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
	New insn.
	* config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
	register 11.
	(*restore_gpregs_spe): Likewise.
	(*return_and_restore_gpregs_spe): Likewise.
	* config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
	Define to empty string unconditionally.
	* config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
	Define to empty string unconditionally.
	(GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
	!TARGET_64BIT.

2009-09-09  Jakub Jelinek  <jakub@redhat.com>

	* config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
	New variables.
	(SHLIB_LINK, SHLIB_INSTALL): Use them.
	* config/t-slibgcc-libgcc: New file.
	* config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.

2009-09-17  Jakub Jelinek  <jakub@redhat.com>

	* c-parser.c (c_parser_struct_or_union_specifier): Adjust
	DECL_SOURCE_LOCATION of TYPE_STUB_DECL.

2009-09-16  Jakub Jelinek  <jakub@redhat.com>

	* integrate.c (set_block_abstract_flags): Call
	set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.

2009-09-16  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2009-09-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41101
	* tree-ssa-pre.c (maximal_set): Remove.
	(compute_antic_aux): Treat the maximal set as implicitly all ones.
	Defer all blocks we didn't visit at least one successor.
	(add_to_exp_gen): Do not add to the maximal set.
	(make_values_for_phi): Likewise.
	(compute_avail): Likewise.
	(init_pre): Do not allocate the maximal set.
	(execute_pre): Do not dump it.

2009-09-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
	(sminsf3): Ditto.

2009-09-13  Kai Tietz  <kai.tietz@onevision.com>

	* config.gcc (i?86-*-mingw* and x86_64-*-mingw*): Set
	need_64bit_hwint for x64 case to yes.
	* config.host: Set for x64 mingw the option
	use_long_long_for_widest_fast_int to yes.

2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (avr): Remove obsolete reference site.

2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Binaries): Adjust AIX link.

2009-09-11  Akim Demaille  <demaille@gostai.com>

	* doc/invoke.texi (-fstrict-aliasing): Correct two examples.
	Use an imperative sentence.

2009-09-14  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

	* builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
	* cfgbuild.c (make_edges): Handle asm goto.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (patch_jump_insn): Likewise.
	* gimple-pretty-print.c (dump_gimple_asm): Likewise.
	* gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
	(gimple_build_asm_vec): Add and use labels parameter.
	(gimple_build_asm): Remove.
	(walk_gimple_asm): Walk labels too.
	* gimple.def (GIMPLE_ASM): Update docs.
	* gimple.h: Update decls.
	(struct gimple_statement_asm): Change nc to use unsigned char;
	add nl member.
	(gimple_asm_nlabels): New.
	(gimple_asm_label_op, gimple_asm_set_label_op): New.
	* gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
	into gimple_build_asm_vec.
	* jump.c (mark_jump_label_asm): New.
	(mark_jump_label): Use it.
	(redirect_jump_1): Handle asm goto.
	(invert_jump_1): Soft fail if X is null.
	* recog.c (extract_asm_operands): New.
	(asm_noperands): Use it; handle asm labels.
	(decode_asm_operands): Use extract_asm_operands.
	(asm_operand_ok): Properly handle empty string.
	* reg-stack.c (get_asm_operands_in_out): Rename from
	get_asm_operand_n_inputs; use extract_asm_operands; return both
	inputs and outputs by reference; update all callers.
	* rtl.def (ASM_OPERANDS): Add label vector as operand 6.
	* rtl.h (ASM_OPERANDS_LABEL_VEC): New.
	(ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
	(ASM_OPERANDS_SOURCE_LOCATION): Renumber.
	(extract_asm_operands): Declare.
	* stmt.c (expand_asm_operands): Add and use labels parameter.
	(check_unique_operand_names): Likewise.
	(resolve_asm_operand_names, resolve_operand_name_1): Likewise.
	(expand_asm_stmt): Handle asm labels.
	* tree-cfg.c (make_gimple_asm_edges): New.
	(make_edges): Use it.
	(cleanup_dead_labels): Handle asm labels.
	(is_ctrl_altering_stmt): Likewise.
	(gimple_redirect_edge_and_branch): Likewise.
	* tree.def (ASM_EXPR): Add 5th operand.
	* tree.h (ASM_LABELS): New.
	(resolve_asm_operand_names): Update decl.

	* c-parser.c (c_parser_asm_statement): Parse asm goto.
	(c_parser_asm_goto_operands): New.
	* c-tree.h (build_asm_expr): Update decl.
	* c-typeck.c (build_asm_expr): Add and use labels parameter.
	* doc/extend.texi: Document asm goto.

2009-09-01  Richard Henderson  <rth@redhat.com>

	* tree-ssa-ccp.c (ccp_initialize): Make sure to simulate 
	stmt_ends_pp_p statements at least once.
	* tree-vrp.c (vrp_initialize): Likewise.
	(vrp_visit_stmt): Be prepared for non-interesting stmts.

2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>

	PR bootstrap/41349
	* reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
	trying to limit the extent of searches in the insn stream.

2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/41210
	* config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
	are returned in the same register (vs34 or v2) that Altivec vector
	types are returned in.
	(rs6000_libcall_value): Ditto.

	PR target/41331
	* config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
	instead of explicit addsi3/adddi3 calls.
	(rs6000_split_multireg_move): Ditto.
	(rs6000_emit_allocate_stack): Ditto.
	(rs6000_emit_prologue): Ditto.
	(rs6000_output_mi_thunk): Ditto.

	* config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
	size is 64 bits if we can use 64-bit registers.

2009-09-11  Jakub Jelinek  <jakub@redhat.com>

	* combine.c (propagate_for_debug_subst): Call wrap_constant on top.

2009-09-11  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41276
	PR debug/41307
	* cselib.c (cselib_expand_value_rtx_cb): Document callback
	interface.
	(cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
	for VALUEs, to implement the documented interface.
	* var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
	Adjust for VALUEs and anything else, to implement the
	documented interface.

2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
        introduced by the VTA branch merge.

2009-09-10  Hariharan Sandanagobalane <hariharan@picochip.com>

	* config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
        introduced by the VTA branch merge.

2009-09-09  Kai Tietz  <kai.tietz@onevision.com>

	PR/41315
	* config/i386.c (ix86_can_use_return_insn_p): Check for
	padding0, too.
	(ix86_expand_prologue): Take frame.padding0 into logic of
	to_allocate checks.
	(ix86_expand_epilogue): Likewise.

2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (bswapdi2_64bit): Fix
	unnecessarily stringent constraints.  Fix address
	calculation in the splitters.

2009-09-09  Jason Merrill  <jason@redhat.com>

	* configure.ac: Check glibc version even if we have an in-tree
	assembler.

2009-04-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39827
	* tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME
	is in range.
	(tree_ssa_phiprop): Pass the correct array size.

2009-09-09  Alexandre Oliva  <aoliva@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (tls_mem_loc_descriptor): Don't call get_base_address,
	as MEM_EXPR can contain NULL base.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

	* toplev.c (process_options): Choose default debugging type when
	gtoggle enables debug info and type is unset.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41276
	PR debug/41307
	* cselib.c (cselib_expand_value_rtx_1): Don't return copy of
	invalid subreg.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41229
	PR debug/41291
	PR debug/41300
	* tree-ssa.c (execute_update_addresses_taken): Update debug insns.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

	* tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
	(remove_statement): Likewise.
	(rewrite_use_nonlinear_expr): Adjust.
	(remove_unused_ivs): Collect SSA NAMEs to remove and call...
	* tree-ssa.c (release_defs_bitset): ... this.  New.
	* tree-flow.h (release_defs_bitset): Declare.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41232
	* tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
	in the middle block.

2009-09-05  Richard Guenther  <rguenther@suse.de>

	PR debug/41273
	* tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.

2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR tree-optimization/40219
	* tree.c (iterative_hash_expr): Make sure the builtin function is
	a normal builtin function and not a front end or back end builtin
	before indexing into the built_in_decls array.

2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>

	PR bootstrap/41241
	* combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
	(combine_stack_adjustments_for_block): Allow insns between stack
	adjustments and stores with corresponding pre-(dec|inc)rement or
	pre-modify operation.

2009-09-06  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/41241
	* combine-stack-adj.c (struct csa_memlist): Rename to...
	(struct csa_reflist): ... this.  Rename mem field to ref.
	(free_csa_memlist): Rename to...
	(free_csa_reflist): ... this.
	(record_one_stack_memref): Rename to...
	(record_one_stack_ref): ... this.  Handle also REG_P.
	(try_apply_stack_adjustment): Handle also REG_P.
	(struct record_stack_memrefs_data): Rename to...
	(struct record_stack_refs_data): ... this.  Rename memlist field to
	reflist.
	(record_stack_memrefs): Rename to...
	(record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
	subexpressions instead of failing when a MEM contains SP references.
	For SP itself in DEBUG_INSNs queue it also onto reflist chain.
	(combine_stack_adjustments_for_block): Adjust for mem to ref renaming.

2009-09-04  Uros Bizjak  <ubizjak@gmail.com>

	PR target/41262
	* config/alpha/alpha.c (alpha_does_function_need_gp): Use
	NONDEBUG_INSN_P instead of INSN_P.

2009-09-04  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/41225
	* tree-vect-analyze.c (vect_stmt_relevant_p): Skip debug uses.

2009-09-04  Alexandre Oliva  <aoliva@redhat.com>

	PR target/41252
	* config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
	pattern of the split.

2009-09-04  Alexandre Oliva  <aoliva@redhat.com>

	* toplev.c (process_options): Move setter of flag_var_tracking
	before other tests that depend on it.  Move down setter of
	flag_rename_registers.  Don't enable var-tracking-assignments
	by default if selective scheduling is enabled.  Warn if both
	are enabled.

2009-09-04  Alexandre Oliva  <aoliva@redhat.com>

	* var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
	comment.  Use switch statement to catch overlaps between rtx
	and tree codes.  Accept FUNCTION_DECLs in addition to those in...
	(IS_DECL_CODE): ... here. Remove.
	(check_value_is_not_decl): Remove.
	(dv_from_decl, dv_from_value): Check after conversion.

2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
	of INSN_P.
	(mips16e_collect_argument_saves): Skip debug instructions.
	(mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
	(mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
	(r10k_insert_cache_barriers): Likewise.
	(mips_reorg_process_insns): Likewise.

2009-09-03  Jakub Jelinek  <jakub@redhat.com>

	PR debug/41236
	* dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
	SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
	it or SUBREG.

	PR debug/41238
	* function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
	the stack slot if it is passed by invisible reference.
	* var-tracking.c (vt_add_function_parameters): Handle arguments passed by
	invisible reference.

2009-09-03  Alexandre Oliva  <aoliva@redhat.com>

	* doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
	(bootstrap-debug): Explain conditions in which it becomes default.
	(bootstrap-debug-big): Rather than duplicate bootstrap-debug,
	make it add to it.

2009-09-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/41239
	* sched-int.h (struct deps): Add last_function_call_may_noreturn field.
	* sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
	lists.
	* sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
	across calls, as the calls might not always return normally.
	(call_may_noreturn_p): New function.
	(deps_analyze_insn): Update last_function_call_may_noreturn list.
	(init_deps): Initialize it.
	(remove_from_deps): Also remove calls from
	last_function_call_may_noreturn list.

2009-09-07  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-08-27  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/40861
	* simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
	extract word from a multi-word subreg for negative byte positions.

2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/2097.md: Removed two incorrect bypasses.
	(z10_fsimpdf): Fixed latency.
	(z10_fhex): New insn_reservation.
	(z10_floaddf): Fixed latency.
	(z10_floadsf): Fixed latency.
	(z10_ftrunctf): Fixed latency.
	(z10_ftruncdf): Fixed latency.
	* config/s390/s390.c (z10_cost): Fixed values.
	(s390_adjust_priority): Added z10 path.
	* config/s390/s390.md (type): Added fhex.
	(*mov<mode>_64dfp): Updated type attribute.
	(*mov<mode>_64): Updated type attribute.
	(*mov<mode>_31): Updated type attribute.
	(*mov<mode>"): Likewise.
	* config/s390/2084.md (x_fsimpdf): Updated condition.

2009-09-02  David Daney  <ddaney@caviumnetworks.com>

	* cfgbuild.c (find_bb_boundaries): Split blocks containing a
	barrier.
	* emit-rtl.c (prev_nonnote_insn_bb): New function.
	* rtl.h (prev_nonnote_insn_bb): Declare it.

2009-08-31  Chris Demetriou  <cgd@google.com>

	* config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
	vectorize if not TARGET_SSE2.

2009-09-02  Jakub Jelinek  <jakub@redhat.com>

	* tree-object-size.c (addr_object_size): Always use object_size_type
	0 or 2 when determining the pointer pointed object size.

2009-08-18  Jason Merrill  <jason@redhat.com>

	* config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
	type if available.
	* configure.ac: Test for it.
	* configure, config.in: Regenerate.
	* doc/install.texi: Document --enable-gnu-unique-object.

2009-08-27  Dodji Seketeli  <dodji@redhat.com>

	PR debug/41170
	* dwarf2out.c (get_context_die): Declare this static function.
	(gen_type_die_with_usage): Make sure a DIE is a generated for
	the context of a typedef.

2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Final install): Adjust reference on where to
	order printed manuals.

2009-08-29  Kai Tietz<kai.tietz@onevision.com>

	PR/41184
	* config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
	padding.

2009-08-28  Jan Beulich  <jbeulich@novell.com>

	* config/i386/netware.c: Include langhooks.h.
	(i386_nlm_encode_section_info): Simplify.
	(netware_override_options): Delete.
	* config/i386/netware.h (netware_override_options): Delete
	declaration.
	(OVERRIDE_OPTIONS): Delete definition.
	(SUBTARGET_OVERRIDE_OPTIONS): Define.
	(ASM_COMMENT_START): Define.
	* config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.

2009-08-28  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-08-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/sync.md: Update comment about unpredictable LL/SC lock
	clearing by a taken branch.
	(sync_<fetchop_name><mode>): Split when epilogue_completed is set,
	effectively after bbro pass.
	(sync_nand<mode>): Ditto.
	(sync_old_<fetchop_name><mode>): Ditto.
	(sync_old_nand<mode>): Ditto.
	(sync_new_<fetchop_name><mode>): Dito.
	(sync_new_nand<mode>): Ditto.
	(sync_compare_and_swap<mode>_1): Ditto.
	(*sync_compare_and_swap<mode>): Ditto.
	(sync_lock_test_and_set<mode>_1): Ditto.
	("sync_lock_test_and_set<mode>): Ditto.

	2009-08-25  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
	(*cmpdf_internal): Enable for all ALPHA_FPTM levels.
	(*movdfcc_ext[1234]): Disable for IEEE mode.

	2009-08-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
	from prev_active_insn.

2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/service.texi (service directory): Update URL.

2009-08-26  Anatoly Sokolov  <aesok@post.ru>

	* doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
	switch.

2009-08-25  Anatoly Sokolov  <aesok@post.ru>

	PR target/34412
	* config/avr/avr.c (expand_epilogue): Use correct QI mode frame
	pointer for tiny stack.

2009-08-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41094
	* builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
	pow(x,y*z) only if x is nonnegative.

2009-08-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/40718
	* config/i386/i386.c (*call_pop_1): Disable for sibling calls.
	(*call_value_pop_1): Ditto.
	(*sibcall_pop_1): New insn pattern.
	(*sibcall_value_pop_1): Ditto.

2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
	(s390_z10_fix_long_loop_prediction): New function.
	(s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
	(s390_reorg): Walk over the INSNs and invoke
	s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.

2009-08-19  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
	free_after_compilation.
	* config/score/score7.c (score7_output_mi_thunk): Likewise.
	* config/score/score3.c (score3_output_mi_thunk): Likewise.
	* config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
	* config/mips/mips.c (mips_output_mi_thunk): Likewise.
	* config/sh/sh.c (sh_output_mi_thunk): Likewise.
	* config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
	* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.

	PR middle-end/41123
	* expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
	of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.

2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/40671
	* config/rs6000/rs6000.c (rs6000_override_options): Use
	TARGET_64BIT instead of TARGET_POWERPC64 to set the size of
	pointers.

	PR target/41145
	* config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
	reporting of vector + decimal/boolean/complex error.

2009-08-21  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
	__vector double TYPE_DECL.

2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen  <pthaugen@us.ibm.com>
	    Revital Eres <ERES@il.ibm.com>

	* config/rs6000/vector.md (VEC_F): Add VSX support.
	(VEC_A): Ditto.
	(VEC_N): Ditto.
	(mov<mode>): Ditto.
	(vector_load_<mode>): Ditto.
	(vector_store_<mode>): Ditto.
	(vector GPR move split): Ditto.
	(vec_reload_and_plus_<mptrsize>): Ditto.
	(vec_reload_and_reg_<mptrsize>): Ditto.
	(add<mode>3): Ditto.
	(sub<mode>3): Ditto.
	(mul<mode>3): Ditto.
	(neg<mode>2): Ditto.
	(abs<mode>2): Ditto.
	(smin<mode>3): Ditto.
	(smax<mode>3): Ditto.
	(vector_eq<mode>): Ditto.
	(vector_gt<mode>): Ditto.
	(vector_ge<mode>): Ditto.
	(vector_gtu<mode>): Ditto.
	(vector_select_<mode>_uns): Ditto.
	(vector_eq_<mode>_p): Ditto.
	(vector_gt_<mode>_p): Ditto.
	(vector_ge_<mode>_p): Ditto.
	(vector_gtu_<mode>_p): Ditto.
	(cr6_test_for_zero): Ditto.
	(cr6_test_for_zero_reverse): Ditto.
	(cr6_test_for_lt): Ditto.
	(cr6_test_for_lt_reverse): Ditto.
	(xor<mode>3): Ditto.
	(ior<mode>3): Ditto.
	(and<mode>3): Ditto.
	(one_cmpl<mode>2): Ditto.
	(nor<mode>2): Ditto.
	(andc<mode>2): Ditto.
	(float<VEC_int<mode>2): Ditto.
	(unsigned_float<VEC_int><mode>2): Ditto.
	(fix_trunc<mode><VEC_int>2): Ditto.
	(fixuns_trunc<mode><VEC_int>2): Ditto.
	(vec_init<mode>):
	(vec_set<mode>): Ditto.
	(vec_extract<mode>): Ditto.
	(vec_interleave_highv4sf): Ditto.
	(vec_interleave_lowv4sf): Ditto.
	(vec_realign_load_<mode>): Ditto.
	(vec_shl_<mode>): Ditto.
	(vec_shr_<mode>): Ditto.
	(div<mode>3): New patterns for VSX.
	(vec_interleave_highv2df): Ditto.
	(vec_interleave_lowv2df): Ditto.
	(vec_pack_trunc_v2df): Ditto.
	(vec_pack_sfix_trunc_v2df): Ditto.
	(vec_pack_ufix_trunc_v2df): Ditto.
	(vec_unpacks_hi_v4sf): Ditto.
	(vec_unpacks_lo_v4sf): Ditto.
	(vec_unpacks_float_hi_v4si): Ditto.
	(vec_unpacku_float_lo_v4si): Ditto.
	(vec_unpacku_float_hi_v4si): Ditto.
	(vec_unpacks_float_lo_v4si): Ditto.
	(movmisalign<mode>): Ditto.
	(vector_ceil<mode>2): New patterns for vectorizing math library.
	(vector_floor<mode>2): Ditto.
	(vector_btrunc<mode>2): Ditto.
	(vector_copysign<mode>3): Ditto.

	* config/rs6000/predicates.md (easy_vector_constant_msb): New
	predicate for setting the high bit in each word, used for
	copysign.

	* config/rs6000/ppc-asm.h (f19): Whitespace.
	(f32-f63): Define if VSX.
	(v0-v31): Define if Altivec.
	(vs0-vs63): Define if VSX.

	* config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.

	* config/rs6000/power7.md: New file, provide tuning parameters for
	-mcpu=power7.

	* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX
	support.
	(rs6000_cpu_cpp_builtins): Ditto.
	(altivec_overloaded_builtins): Ditto.
	(altivec_resolve_overloaded_builtin): Ditto.

	* config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
	debug switch to disable vectorizing simple math builtin
	functions.

	* config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
	Vectorize simple math builtin functions.
	(TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
	hook to vectorize math builtins.
	(rs6000_override_options): Enable -mvsx on -mcpu=power7.
	(rs6000_builtin_conversion): Add VSX/power7 support.
	(rs6000_builtin_vec_perm): Ditto.
	(vsplits_constant): Add support for loading up a vector constant
	with just the high bit set in each part.
	(rs6000_expand_vector_init): Add VSX/power7 support.
	(rs6000_expand_vector_set): Ditto.
	(rs6000_expand_vector_extract): Ditto.
	(rs6000_emit_move): Ditto.
	(bdesc_3arg): Ditto.
	(bdesc_2arg): Ditto.
	(bdesc_1arg): Ditto.
	(rs6000_expand_ternop_builtin): Ditto.
	(altivec_expand_builtin): Ditto.
	(rs6000_expand_unop_builtin): Ditto.
	(rs6000_init_builtins): Ditto.
	(altivec_init_builtins): Ditto.
	(builtin_function_type): Ditto.
	(rs6000_common_init_builtins): Ditto.
	(rs6000_handle_altivec_attribute); Ditto.
	(rs6000_mangle_type): Ditto.
	(rs6000_vector_mode_supported_p): Ditto.
	(rs6000_mode_dependent_address): Altivec addresses with AND -16
	are mode dependent.

	* config/rs6000/vsx.md: New file for VSX support.

	* config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
	identifing values with just the most significant bit set.
	(enum rs6000_builtins): Add builtins for VSX.  Add simple math
	vectorized builtins.

	* config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
	(UNSPEC_VRFIM): Delete.
	(splitter for loading up vector with most significant bit): New
	splitter for vectorizing copysign.
	(altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
	vectorizing simple math functions.
	(altivec_vrfip): Add support for vectorizing simple math
	functions.
	(altivec_vrfim): Ditto.
	(altivec_copysign_v4sf3): New insn for Altivec copysign support.

	* config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
	(power7.md, vsx.md): Include for power7 support.
	(copysigndf3): Use VSX instructions if -mvsx.
	(negdf2_fpr): Ditto.
	(absdf2_fpr): Ditto.
	(nabsdf2_fpr): Ditto.
	(adddf3_fpr): Ditto.
	(subdf3_fpr): Ditto.
	(muldf3_fpr): Ditto.
	(divdf3_fpr): Ditto.
	(fix_truncdfdi2_fpr): Ditto.
	(cmpdf_internal1): Ditto.
	(fred, fred_fpr): Convert into expander/insn to add VSX support.
	(btruncdf2, btruncdf2_fpr): Ditto.
	(ceildf2, ceildf2_fpr): Ditto.
	(floordf2, floordf2_fpr): Ditto.
	(floatdidf2, floatdidf2_fpr): Ditto.
	(fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
	(fmsubdf4_fpr): Ditto.
	(fnmadddf4_fpr_1): Ditto.
	(fnmadddf4_fpr_2): Ditto.
	(fnmsubdf4_fpr_1): Ditto.
	(fnmsubdf4_fpr_2): Ditto.
	(fixuns_truncdfdi2): Add expander for VSX support.
	(fix_truncdfdi2): Ditto.
	(fix_truncdfsi2): Ditto.
	(ftruncdf2): Ditto.
	(btruncsf2): Whitespace.
	(movdf_hardfloat32): Add support for VSX registers.
	(movdf_softfloat32): Ditto.
	(movdf_hardfloat64): Ditto.
	(movdf_hardfloat64_mfpgpr): Ditto.
	(movdf_softfloat64): Ditto.
	(movti splitters): Add check for vector registers supporting
	TImode in the future.
	(bpermd): Add power7 bpermd instruction.

	* config/rs6000/altivec.h (vec_div): Define if VSX.
	(vec_mul): Ditto.
	(vec_msub): Ditto.
	(vec_nmadd): Ditto.
	(vec_nearbyint): Ditto.
	(vec_rint): Ditto.
	(vec_sqrt): Ditto.
	(all predicates): Use the generic builtin function, and not the
	V4SF specific function so that the predicates will work with
	VSX's V2DF.
	(vec_all_*): Ditto.
	(vec_any_*): Ditto.

	* doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
	Document new VSX functions and types.

	* doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
	switches.

	* doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
	"wa", and "j" constraints.  Modify "v" to talk about Altivec
	instead of just vector.

2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen  <pthaugen@us.ibm.com>
	    Revital Eres <ERES@il.ibm.com>

	* config/rs6000/vector.md: New file.  Move most of the vector
	expander support here from altivec.md to allow for the VSX vector
	unit in the future.  Add support for secondary_reload patterns.
	Rewrite the patterns for vector comparison, and vector comparison
	predicate instructions so that the RTL expresses the desired
	behavior, instead of using unspec.

	* config/rs6000/constraints.md ("f" constraint): Use
	rs6000_constraints to hold the precalculated register class.
	("d" constraint): Ditto.
	("wd" constraint): New constraint for VSX.
	("wf" constraint): Ditto.
	("ws" constraint): Ditto.
	("wa" constraint): Ditto.
	("wZ" constraint): Ditto.
	("j" constraint): Ditto.

	* config/rs6000/predicates.md (vsx_register_operand): New
	predicate for VSX.
	(vfloat_operand): New predicate for vector.md.
	(vint_operand): Ditto.
	(vlogical_operand): Ditto.
	(easy_fp_constant): If VSX, 0.0 is an easy constant.
	(easy_vector_constant): Add VSX support.
	(altivec_indexed_or_indirect_operand): New predicate for
	recognizing Altivec style memory references with AND -16.

	* config/rs6000/rs6000.c (rs6000_vector_reload): New static global
	for vector secondary reload support.
	(rs6000_vector_reg_class): Delete, replacing it with rs6000_constraints.
	(rs6000_vsx_reg_class): Ditto.
	(rs6000_constraints): New array to hold the register classes of
	each of the register constraints that can vary at runtime.
	(builtin_mode_to_type): New static array for builtin function type
	creation.
	(builtin_hash_table): New static hash table for builtin function
	type creation.
	(TARGET_SECONDARY_RELOAD): Define target hook.
	(TARGET_IRA_COVER_CLASSES): Ditto.
	(rs6000_hard_regno_nregs_internal): If -mvsx, floating point
	registers are 128 bits if VSX memory reference instructions are
	used.
	(rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
	unit is being used.
	(rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
	(rs6000_debug_reg_global): Move -mdebug=reg statements here.
	Print several of the scheduling related parameters.
	(rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
	rs6000_constraints instead of rs6000_vector_reg_class.  Move
	-mdebug=reg code to rs6000_debug_reg_global.  Add support for
	-mvsx-align-128 debug switch.  Drop testing float_p if VSX or
	Altivec.  Add VSX support.  Setup for secondary reload support on
	Altivec/VSX registers.
	(rs6000_override_options): Make power7 set the scheduling groups
	like the power5.  Add support for new debug switches to override
	the scheduling defaults.  Temporarily disable -mcpu=power7 from
	setting -mvsx.  Add support for debug switches -malways-hint,
	-msched-groups, and -malign-branch-targets.
	(rs6000_buitlin_conversion): Add support for returning unsigned
	vector conversion functions to fix regressions due to stricter
	type checking.
	(rs6000_builtin_mul_widen_even): Ditto.
	(rs6000_builtin_mul_widen_odd): Ditto.
	(rs6000_builtin_vec_perm): Ditto.
	(rs6000_vec_const_move): On VSX, use xxlxor to clear register.
	(rs6000_expand_vector_init): Initial VSX support for using xxlxor
	to zero a register.
	(rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
	generated upstream.
	(bdesc_3arg): Add builtins for unsigned types.  Add builtins for
	VSX types for bit operations.  Changes to accomidate vector.md.
	(bdesc_2arg): Ditto.
	(bdesc_1arg): Ditto.
	(struct builtin_description_predicates): Rewrite predicate
	handling so that RTL describes the operation, instead of passing
	the instruction to be used as a string argument.
	(bdesc_altivec_preds): Ditto.
	(altivec_expand_predicate_builtin): Ditto.
	(altivec_expand_builtin): Ditto.
	(rs6000_expand_ternop_builtin): Use a switch instead of an if
	statement for vsldoi support.
	(altivec_expand_ld_builtin): Change to use new names from
	vector.md.
	(altivec_expand_st_builtin): Ditto.
	(paired_expand_builtin): Whitespace changes.
	(rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
	builtin_mode_to_type table for secondary reload.  Call
	builtin_function_type to build random builtin functions.
	(altivec_init_builtins): Change to use builtin_function_type to
	create builtin function types dynamically as we need them.
	(builtin_hash_function): New support for hashing the tree types
	for builtin function as we need it, rather than trying to build
	all of the trees that we need.  Add initial preliminary VSX
	support.
	(builtin_function_type): Ditto.
	(builtin_function_eq): Ditto.
	(builtin_hash_struct): Ditto.
	(rs6000_init_builtins): Ditto.
	(rs6000_common_init_builtins): Ditto.
	(altivec_init_builtins): Ditto.
	(rs6000_common_init_builtins): Ditto.
	(enum reload_reg_type): New enum for simplifing reg classes.
	(rs6000_reload_register_type): Simplify register classes into GPR,
	Vector, and other registers.
	Altivec and VSX addresses in reload.
	(rs6000_secondary_reload_inner): Ditto.
	(rs6000_ira_cover_classes): New target hook, that returns the
	appropriate cover classes, based on -mvsx being used or not.
	(rs6000_secondary_reload_class): Add VSX support.
	(get_vec_cmp_insn): Delete, rewrite vector conditionals.
	(get_vsel_insn): Ditto.
	(rs6000_emit_vector_compare): Rewrite vector conditional support
	so that where we can, we use RTL operators, instead of blindly use
	UNSPEC.
	(rs6000_emit_vector_select): Ditto.
	(rs6000_emit_vector_cond_expr): Ditto.
	(rs6000_emit_minmax): Directly generate min/max under altivec,
	vsx.
	(create_TOC_reference): Add -mdebug=addr support.
	(emit_frame_save): VSX loads/stores need register indexed
	addressing.

	* config/rs6000/rs6000.md: Include vector.md.

	* config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	support for V2DI, V2DF in logical, permute, select operations.

	* config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
	switch for vsx/power7.
	(-mvsx-scalar-memory): Ditto.
	(-mvsx-align-128): Ditto.
	(-mallow-movmisalign): Ditto.
	(-mallow-df-permute): Ditto.
	(-msched-groups): Ditto.
	(-malways-hint): Ditto.
	(-malign-branch-targets): Ditto.
	
	* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
	hook instead.
	(IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
	(IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
	(rs6000_vector_reg_class): Delete.
	(rs6000_vsx_reg_class): Ditto.
	(enum rs6000_reg_class_enum): New enum for the constraints that
	vary based on target switches.
	(rs6000_constraints): New array to hold the register class for all
	of the register constraints that vary based on the switches used.
	(ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
	(enum rs6000_builtins): Add unsigned varients for the builtin
	declarations returned by target hooks for expanding multiplies,
	select, and permute operations.  Add VSX builtins.
	(enum rs6000_builtin_type_index): Add entries for VSX.
	(V2DI_type_node): Ditto.
	(V2DF_type_node): Ditto.
	(unsigned_V2DI_type_node): Ditto.
	(bool_long_type_node): Ditto.
	(intDI_type_internal_node): Ditto.
	(uintDI_type_internal_node): Ditto.
	(double_type_internal_node): Ditto.

	* config/rs6000/altivec.md (whole file): Move all expanders to
	vector.md from altivec.md.  Rename insn matching functions to be
	altivec_foo.
	(UNSPEC_VCMP*): Delete, rewrite vector comparisons.
	(altivec_vcmp*): Ditto.
	(UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
	(VM): New iterator for moves that includes the VSX types.
	(altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
	(altivec_vperm_<mode>_uns): New, for unsigned types.
	(altivec_vsel_*): Rewrite vector comparisons and predicate
	builtins.
	(altivec_eq<mode>): Ditto.
	(altivec_gt<mode>): Ditto.
	(altivec_gtu<mode>): Ditto.
	(altivec_eqv4sf): Ditto.
	(altivec_gev4sf): Ditto.
	(altivec_gtv4sf): Ditto.
	(altivec_vcmpbfp_p): Ditto.

2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR bootstrap/40558
	* config/rs6000/rs6000.c (print_operand): Undo change that breaks
	darwin9 for printing reg addresses with %y.

2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen  <pthaugen@us.ibm.com>
	    Revital Eres <ERES@il.ibm.com>

	* config/rs6000/rs6000.c (print_operand): Correct lossage message
	for %c error.  Add %x support to print VSX registers as a unified
	register set, instead of separate float and altivec registers.
	Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
	%y case, and add support for VSX pre-modify addresses.
	(output_toc): Add assert for CONST containing an integer constant
	in the PLUS case.
	(rs6000_adjust_cost): Add POWER7 support.
	(insn_must_be_first_in_group): Ditto.
	(insn_must_be_last_in_group): Ditto.
	(rs6000_emit_popcount): Ditto.
	(rs6000_vector_mode_supported_p): Ditto.

	* config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
	Change some of the functions called by macros to being called
	through a pointer, so debug functions can be inserted if
	-mdebug=addr or -mdebug=cost. 
	(rs6000_preferred_reload_class_ptr): Ditto.
	(rs6000_secondary_reload_class_ptr): Ditto.
	(rs6000_secondary_memory_needed_ptr): Ditto.
	(rs6000_cannot_change_mode_class_ptr): Ditto.
	(rs6000_secondary_reload_inner): Ditto.
	(rs6000_legitimize_reload_address): Ditto.
	(rs6000_legitimize_reload_address_ptr): Ditto.
	(rs6000_mode_dependent_address): Ditto.
	(rs6000_mode_dependent_address_ptr): Ditto.

	* config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
	function to return true if the mode allows reg + integer
	addresses.
	(virtual_stack_registers_memory_p): New function to return true if
	the address refers to a virtual stack register.
	(rs6000_legitimate_offset_address_p): Move code to say whether a
	mode supports reg+int addressing to reg_offset_addressing_ok_p and
	call it.
	(rs6000_legitimate_address_p): Add checks for modes that only can
	do reg+reg addressing.  Start adding VSX support.
	(rs6000_legitimize_reload_address): Ditto.
	(rs6000_legitimize_address): Ditto.
	(rs6000_debug_legitimate_address_p): New debug functions for
	-mdebug=addr and -mdebug=cost.
	(rs6000_debug_rtx_costs): Ditto.
	(rs6000_debug_address_costs): Ditto.
	(rs6000_debug_adjust_cost): Ditto.
	(rs6000_debug_legitimize_address): Ditto.
	(rs6000_legitimize_reload_address_ptr): Point to call normal
	function or debug function.  Make functions called via pointer
	static.
	(rs6000_mode_dependent_address_ptr): Ditto.
	(rs6000_secondary_reload_class_ptr): Ditto.
	(rs6000_hard_regno_mode_ok): Add preliminary VSX support.
	(rs6000_emit_move): Add -mdebug=addr support.  Change an abort
	into a friendlier error.
	(rs6000_init_builtins): Add initial VSX support.
	(rs6000_adjust_cost): Fix some spacing issues.

	* config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
	(REG_CLASS_NAMES): Ditto.
	(REG_CLASS_CONTENTS): Ditto.
	(PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
	pointer, to add -mdebug=addr support.
	(CANNOT_CHANGE_MODE_CLASS): Ditto.
	(SECONDARY_RELOAD_CLASS): Call through a pointer to add
	-mdebug=addr support.
	(LEGITIMIZE_RELOAD_ADDRESS): Ditto.
	(GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
	(enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.

	* config/rs6000/rs6000.md (bswaphi*): Add support for swapping
	16-bit values.
	(bswapsi*): Set attribute types for load/store.  Add combiner
	patterns to eliminate zero extend on 64-bit.
	(bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
	stdbrx if the hardware supports those instructions.

2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen  <pthaugen@us.ibm.com>
	    Revital1 Eres <ERES@il.ibm.com>

	* config.in (HAVE_AS_POPCNTD): Add default definition.
	(HAVE_AS_LWSYNC): Ditto.

	* configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
	release number.
	(gcc_cv_as_powerpc_cmpb): Ditto.
	(gcc_cv_as_powerpc_dfp): Ditto.
	(gcc_cv_as_powerpc_vsx): Ditto.
	(gcc_cv_as_powerpc_popcntd): Add feature test for assembler
	supporting the popcntd/lwsync instructions.
	(gcc_cv_as_powerpc_lwsync): Ditto.
	* configure: Regenerate.

	* config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
	-mcpu=native and -mcpu=power7.
	* config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.

	* config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
	a variable instead of a mask to reduce the number of mask bits.
	* config/rs6000/sysv4.opt (-mbit-align): Ditto.
	(-mbit-word): Ditto.
	(-mregnames): Ditto.
	* config/rs6000/rs6000.opt (-mupdate): Ditto.
	(-mfused-madd): Ditto.

	* config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
	2.06 instructions.
	(-mvsx): New switch for VSX instructions.
	(-misel): Move from a variable to a mask to allow it to be set by
	-mcpu=.

	* config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
	function declaration to an array declaration.
	(rs6000_hard_regno_nregs): New external array declaration.

	* config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
	files included by rs6000.md.

	* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
	SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.

	* config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
	a target mask.
	(rs6000_debug_reg): New -mdebug= variables.
	(rs6000_debug_addr): Ditto.
	(rs6000_debug_cost): Ditto.
	(rs6000_pmode): New variable to hold Pmode.
	(rs6000_pointer_size): New variable to hold POINTER_SIZE.
	(rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
	calculated at compiler start.
	(rs6000_hard_regno_nregs): Change function to an array which holds
	HARD_REGNO_NREGS calculated at compiler start.
	(rs6000_explicit_options): Delete isel field.
	(rs6000_vector_unit): New array to hold which vector unit
	supports arithmetic options for a given type.
	(rs6000_vector_mem): New array to hold which vector unit supports
	memory reference operations for a given type.
	(rs6000_vector_align): New array to given the alignment of each
	vector type.
	(power7_cost): New basic costs for power7.
	(SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
	(rs6000_hard_regno_nregs_internal): New function, moved from
	HARD_REGNO_NREGS, to calculate the number of registers each hard
	register takes for each type.
	(rs6000_debug_reg_print): New function for -mdebug=reg support.
	(rs6000_debug_vector_unit): New array, map rs6000_vector to
	string.
	(+rs6000_init_hard_regno_mode_ok): New function, move calculation
	of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
	unit information here so it is calculated once at compiler startup
	time.
	(rs6000_override_options): Make -misel a target mask.  Add more
	power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
	VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
	-mdebug=cost.
	(POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
	(rs6000_handle_option): Move -misel from variable to target mask.
	(rs6000_builtin_mask_for_load): Add VSX support.
	(rs6000_conditional_register_usage): Ditto.
	(USE_ALTIVEC_FOR_ARG_P): Ditto.
	(function_arg_boundary): Ditto.
	(rs6000_expand_builtin): Ditto.
	(def_builtin): Make abort message a little friendlier.
	(rs6000_emit_int_cmove): Add support for 64-bit isel.

	* config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
	assembler support the popcntd instruction instead of a vsx
	instruction to enable power7 support.
	(ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
	(EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
	option to the assembler if -mcpu=native.
	(ASM_CPU_NATIVE_SPEC): Ditto.
	(TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
	ISA 2.06 features.
	(TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
	the lwsync instruction.
	(enum processor_type): Add PROCESSOR_POWER7.
	(rs6000_debug_reg): New -mdebug= options.
	(rs6000_debug_addr): Ditto.
	(rs6000_debug_cost): Ditto.
	(rs6000_isel): Delete.
	(enum rs6000_vector): New enum to say what vector unit we have.
	(VECTOR_UNIT_*): New macros to say which vector unit has
	arithmetic operations for a given type.
	(VECTOR_MEM_*): New macros to say which vector unit has memory
	operations for a given type.
	(TARGET_LDBRX): Whether the machine supports the ldbrx
	instruction.
	(TARGET_ISEL): Delete, -misel moved to be a mask.
	(TARGET_ISEL64): New macro for 64-bit isel support.
	(UNITS_PER_VSX_WORD): New macro.
	(POINTER_SIZE): Move to be an external variable, rather than
	calculating whether we are generating 32 ot 64-bit code.
	(Pmode): Ditto.
	(STACK_BOUNDARY): Add VSX support.
	(LOCAL_ALIGNMENT): Ditto.
	(SLOW_UNALIGNED_ACCESS): Ditto.
	(VSX_REGNO_P): New macro for VSX support.
	(VFLOAT_REGNO_P): Ditto.
	(VINT_REGNO_P): Ditto.
	(VLOGICAL_REGNO_P): Ditto.
	(VSX_VECTOR_MODE): Ditto.
	(VSX_SCALAR_MODE): Ditto.
	(VSX_MODE): Ditto.
	(VSX_MOVE_MODE): Ditto.
	(VSX_REG_CLASS_P): Ditto.
	(HARD_REGNO_NREGS): Instead of calling a function, use an array
	lookup.
	(UNITS_PER_SIMD_WORD): Add VSX support.
	(MODES_TIEABLE_P): Ditto.
	(STARTING_FRAME_OFFSET): Ditto.
	(STACK_DYNAMIC_OFFSET): Ditto.
	(EPILOGUE_USES): Ditto.
	(REGNO_REG_CLASS): Move to array lookup.
	(CLASS_MAX_NREGS): Ditto.
	(rs6000_vector_reg_class): Add declaration.
	(ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
	overlap with the floating point and Altivec registers.

	* config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.

	* config/rs6000/driver-rs6000.c (asm_names): New static array to
	give the appropriate asm switches if -mcpu=native.
	(host_detect_local_cpu): Add support for "asm".
	(host_detect_local_cpu): Follow GNU code guidelines for name.

	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
	-mbit-word to a variable instead of being a target mask.

	* config/rs6000/sync.md (lwsync): If the assembler supports it,
	emit the lwsync instruction instead of emitting the instruction as
	an integer constant.

	* config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
	fixuns_trundfsi2, move expander into rs6000.md.

	* config/rs6000/rs6000.md (cpu): Add power7.
	(sel, *ptrsize): New mode attributes for 32/64-bit isel.
	(logical predicate patterns): Change the single instruction
	primitives that set CR0 to be fast_compare instead of compare.
	(norsi*): Ditto.
	(popcntwsi2): Add support for ISA 2.06 popcount instructions.
	(popcntddi2): Ditto.
	(popcount<mode>): Ditto.
	(floating multiply/add insns): Name the floating point
	multiply/add insns.
	(isel_signed_<mode>): Add support for -misel on 64-bit systems.
	(isel_unsigned_<mode>): Ditto.
	(fixuns_trundfsi2): Move expander here from spe.md.
	(smindi3): Define if we have -misel on 64-bit systems.
	(smaxdi3): Ditto.
	(umindi3): Ditto.
	(umaxdi3): Ditto.

2009-08-18  Jakub Jelinek  <jakub@redhat.com>

	* bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
	on jumps.

	PR target/40971
	* config/rs6000/rs6000.c (rs6000_legitimize_address): For
	[DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.

2009-08-16  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-08-14  Uros Bizjak  <ubizjak@gmail.com>

	PR target/41019
	* config/i386/sse.md (SSEMODE124C8): New mode iterator.
	(vcond<SSEMODEF2P:mode>): Assert that operation is supported by
	ix86_expand_fp_vcond.
	(vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
	Assert that operation is supported by ix86_expand_int_vcond.
	(vcondu<SSEMODE124C8:mode>): Ditto.

2009-08-16  Dodji Seketeli  <dodji@redhat.com>

	PR debug/37801
	* gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
	generating inlined subroutine die only. We shouldn't be
	called for anything else.
	(gen_block_die): Don't generate inline subroutine debug info for
	abstract blocks.

2009-08-13  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-08-11  Uros Bizjak  <ubizjak@gmail.com>

	PR target/8603
	* config/alpha/alpha.md (addsi3): Remove expander.
	(addsi3): Rename from *addsi3_internal insn pattern.
	(subsi3): Remove expander.
	(subsi3): Rename from *subsi3_internal insn pattern.

2009-08-13  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/41033
	* alias.c (nonoverlapping_component_refs_p): Punt when strict
	aliasing is disabled.

2009-08-11  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>

	Backport from mainline:
	2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>

	PR target/41015
	* longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
	(sub_ddmmss): Likewise.

2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>

	PR bootstrap/41018
	* config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
	year.

2009-08-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41016
	* tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
	(operand_precision): Remove.
	(integral_operand_p): Likewise.
	(recognize_single_bit_test): Adjust.

2009-08-07  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (output_fde): When doing hot/cold partitioning, use
	fde->dw_fde_begin as begin label instead of hot/cold label.
	Use LLSDAC label instead of LLSDA for second section lsda.
	(dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
	label instead of LLSDA if it is true.
	(dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
	callers.
	* except.c (add_call_site, dw2_size_of_call_site_table): Add
	SECTION argument.  Use it as index into crtl->eh.call_site_record
	array.
	(dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
	use it to determine how to print table entries instead of using
	#ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
	label instead of normal begin label as base.
	(sjlj_assign_call_site_values): Adjust add_call_site caller.
	(convert_to_eh_region_ranges): When doing hot/cold partitioning,
	ensure no EH range spans between sections and that landing pads
	are always in the corresponding section.
	(sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
	for crtl->eh.call_site_record being an array rather than scalar.
	(output_one_function_exception_table): New function, copied
	from output_function_exception_table.  Adjust
	dw2_size_of_call_site_table, dw2_output_call_site_table
	callers.  For SECOND section use *C suffixed labels.
	(output_function_exception_table): Call
	output_one_function_exception_table and, when doing hot/cold
	partitioning, also another time for the second section.
	* opts.c: Include except.h.
	(decode_options): Allow -freorder-blocks-and-partition with
	exceptions, unless SJLJ or TARGET_UNWIND_INFO.
	* Makefile.in (opts.o): Depend on $(EXCEPT_H).
	* function.h (struct rtl_eh): Change call_site_record from
	scalar into array of 2 elements.

2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
	    Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

	PR target/40906
	* config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
	source operand.

2009-08-05  Richard Earnshaw  <rearnsha@arm.com>

	* arm.md (movdi2): Copy non-reg values to DImode registers.

2009-07-25  David Daney  <ddaney@caviumnetworks.com>

	PR rtl-optimization/40445
	* emit-rtl.c (next_nonnote_insn_bb): New function.
	* rtl.h (next_nonnote_insn_bb): Declare new function.
	* cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
	with no successors that is the successor of the ENTRY_BLOCK.
	Continue from the top after removing an empty fallthrough block.
	* cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
	of next_nonnote_insn.

2009-07-25  David Daney  <ddaney@caviumnetworks.com>

	* cfgcleanup.c (old_insns_match_p): Handle the case of empty
	blocks.

2009-06-17  David Daney  <ddaney@caviumnetworks.com>

	* jump.c (cleanup_barriers): Handle case of no insns before a
	barrier.

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

	PR c/39252
	* doc/extend.texi ( __builtin_unreachable): Document new builtin.
	* builtins.c (expand_builtin_unreachable): New function.
	(expand_builtin): Handle BUILT_IN_UNREACHABLE case.
	* builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
	* cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
	successors.
	* cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
	searching for missing barriers.

2009-08-05  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/40924
	* dse.c (canon_address): Before calling cselib_expand_value_rtx
	make sure canon_rtx (mem_address) isn't simpler than
	canon_rtx (expanded_mem_address).

2009-08-03  Janis Johnson  <janis187@us.ibm.com>

	PR c/39902
	* simplify-rtx.c (simplify_binary_operation_1): Disable
	simplifications for decimal float operations.

2009-08-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40943
	* tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
	operand of INDIRECT_REF.

2009-08-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
	constants referencing TLS symbols.

2009-07-30  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (override_options): Default
	max-unrolled-insns to 100 for z10 tuning.

2009-07-30  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
	(U, W): Constraints are now deprecated and will be removed if we
	run out of letters.
	* config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
	the file.
	("prefetch"): Add the stcmh instruction for prefetching.
	* config/s390/s390.c (s390_symref_operand_p): Function moved. No
	changes.
	(s390_short_displacement): Return always true if compiling for
	machines not providing the long displacement facility.
	(s390_mem_constraint): Support the new constraint letter Z.
	(s390_check_qrst_address): New function.

2009-07-30  Uros Bizjak  <ubizjak@gmail.com>

	PR target/40577
	* config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
	to DImode when generating insq_le insn.

2009-07-27  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (output_cfi_p): Removed.
	(output_cfis): New function.
	(output_fde): New function, split from output_call_frame_info.
	(output_call_frame_info): Use it.
	(dwarf2out_switch_text_section): Use output_cfis.

2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline:
	2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
	Cast "1" to unsigned HOST_WIDE_INT.
	(compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
	deposit length to the maximum length - lsb.  Extend length if
	HOST_BITS_PER_WIDE_INT is 32.

2009-07-25  Mark Loeser  <mark@halcy0n.com>

	PR build/40010
	* Makefile.in (gcc.pod): Depend on gcc-vers.texi.

2009-07-25  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/34999
	* dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
	and dw_fde_switched_cold_to_hot fields.
	(output_cfi_p): New function.
	(output_call_frame_info): If fde->dw_fde_switched_sections,
	output 2 FDEs instead of one with corrupted header.
	(dwarf2out_do_cfi_startproc): New function.
	(dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
	and fde->dw_fde_switched_cold_to_hot.
	(dwarf2out_switch_text_section): Compute
	fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
	If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
	dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
	Otherwise, compute fde->dw_fde_switch_cfi.

2009-07-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/40832
	* config/i386/i386.c (output_387_ffreep): Rewrite to use
	ASM_SHORT instead of .word.
	* config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
	instead of .word in asm template.

2009-07-22  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backport from mainline:
	2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/40710
	* resource.c (mark_target_live_regs): Reset DF problem to LR.

2009-07-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40321
	* tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
	PHI nodes to the maximal set.
	(make_values_for_phi): Add PHI arguments to the maximal set.
	(execute_pre): Dump PHI_GEN and the maximal set.

2009-07-22  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.4.2.
	* DEV-PHASE: Set to prerelease.

2009-07-22  Release Manager

	* GCC 4.4.1 released.

2009-07-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
	(vec_unpacku_float_lo_v4si): Ditto.

2009-07-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/40811
	* config/i386/sse.md (sse2_cvtudq2ps): New expander.
	(enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
	(builtin_description): Add __builtin_ia32_cvtudq2ps.
	(ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.

2009-07-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/40813
	* tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
	it.

2009-07-21  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-04-29  Richard Guenther  <rguenther@suse.de>

	PR target/39943
	* config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
	allow conversion to signed integers.

2009-07-20  Jakub Jelinek  <jakub@redhat.com>

	* tree-object-size.c (addr_object_size): Handle unions with
	array in it as last field of structs in __bos (, 1) as __bos (, 0).

	PR tree-optimization/40792
	* tree.c (build_function_type_skip_args): Remove bogus assert.

2009-07-17  Jakub Jelinek  <jakub@redhat.com>

	PR c++/40780
	* gimplify.c (gimplify_conversion): Don't change non-conversions into
	VIEW_CONVERT_EXPR.

2009-07-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40747
	* fold-const.c (fold_cond_expr_with_comparison): When folding
	< and <= to MIN, make sure the MIN uses the same type as the
	comparison's operands.

2009-07-12  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
	just for 32-bit case.

2009-07-11  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40713
	* dwarf2out.c (dw_fde_struct): Add in_std_section and
	cold_in_std_section bits.
	(dwarf2out_begin_prologue): Initialize them.
	(dwarf2out_finish): Don't emit FDE range into .debug_ranges
	if already covered by text_section or cold_text_section range.

	PR rtl-optimization/40667
	* defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
	* doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
	* config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
	* config/i386/i386.c (ix86_minimum_alignment): New function.
	* config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
	* cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
	* emit-rtl.c (gen_reg_rtx): Likewise.
	* function.c (assign_parms): Likewise.  If nominal_type needs
	bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
	rather than passed_type's alignment.

	PR target/40668
	* function.c (assign_parm_setup_stack): Adjust
	MEM_OFFSET (data->stack_parm) if promoted_mode is different
	from nominal_mode on big endian.

2009-07-08  Mark Wielaard  <mjw@redhat.com>

	PR debug/40659
	* dwarf2out.c (add_data_member_location_attribute): When we have
	only a constant offset don't emit a new location description using
	DW_OP_plus_uconst, but just add the constant with add_AT_int, when
	dwarf_version > 2.

2009-07-08  Richard Henderson  <rth@redhat.com>

	PR target/38900
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
	(enum reg_class): Add CLOBBERED_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
	* config/i386/i386.c (ix86_conditional_register_usage): Moved
	from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
	(ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
	(ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
	force 64-bit sibcalls into R11.
	* config/i386/constraints.md (U): New constraint.
	* config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
	(sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
	(sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.

2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>

	PR debug/40666
	* dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
	to variables for debugging purposes.

2009-07-04  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40596
	* dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
	don't check cfa.reg.  Instead of cfa.indirect use
	fde && fde->drap_reg != INVALID_REGNUM test.

2009-07-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34163
	* tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to
	(T2)t +- (T2)x if t +- x is known to not overflow and
	the conversion widens the operation.
	* Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.

2009-07-01  Richard Henderson  <rth@redhat.com>

	PR bootstrap/40347
	* function.c (reposition_prologue_and_epilogue_notes): If epilogue
	contained no insns, reposition note before last insn.

2009-07-01  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40462
	* jump.c (returnjump_p): Revert last patch.
	* dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.

2009-06-30  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40573
	* dwarf2out.c (gen_formal_parameter_die): Call
	equate_decl_number_to_die if node is different from origin.

2009-07-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40669
	* tree-tailcall.c (adjust_return_value_with_ops,
	create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
	if it has complex or vector type.

	Backport from mainline:
	2009-06-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40328
	* fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.

2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/40587
	* ira.c (build_insn_chain): Use DF_LR_OUT instead of
	df_get_live_out.

2009-07-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40585
	* tree-cfg.c (gimple_can_duplicate_bb_p): Disallow duplicating
	basic blocks with GIMPLE_RESX.

2009-07-01  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline:
	2009-05-11 Martin Jambor <mjambor@suse.cz>

	* ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.

2009-06-30  Jakub Jelinek  <jakub@redhat.com>

	PR c++/40566
	* convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
	to type arguments that have void type.

2009-06-30  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/40542
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Don't
	vectorize volatile types.

2009-06-29  Janis Johnson  <janis187@us.ibm.com>

	PR c/39902
	* tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
	Special-case decimal float constants.

2009-06-29  Uros Bizjak  <ubizjak@gmail.com>

	* doc/extend.texi (Additional Floating Types): __float128 is also
	supported on i386 targets.

2009-06-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40579
	* tree-vrp.c (vrp_evaluate_conditional): Bail out early if
	the IL to simplify has constants that overflowed.

2009-06-28  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/40550
	* tree-vect-generic.c (expand_vector_operations_1): Compute in
	vector_compute_type only when the size of vector_compute_type is
	less than the size of type.

2009-06-27  Kai Tietz  <kai.tietz@onevision.com>

	Merged from trunk rev/148061
	2009-06-01  Jakub Jelinek  <jakub@redhat.com>
	PR other/40024
	* emutls.c (__emutls_get_address): Change arr->size to mean number
	of allocated arr->data entries instead of # of slots + 1.

2009-06-23  Jakub Jelinek  <jakub@redhat.com>

	* tree-object-size.c (addr_object_size): Instead of checking
	for non-NULL TREE_CHAIN of the FIELD_DECL check that there
	are no FIELD_DECLs following it.

2009-06-15  Jakub Jelinek  <jakub@redhat.com>

	* tree-object-size.c (addr_object_size): Fix a pasto in the last
	change.

2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
	    Matthias Klose  <doko@ubuntu.com>

	PR objc/28050
	* c-parser.c (c_parser_objc_message_args): Return error_mark_node
	instead of NULL if a parser error occurs.

2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40470
	* config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.

2009-06-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40460
	* tree-chrec.h (build_polynomial_chrec): If we cannot determine
	if there is no evolution of left in the loop bail out.
	* tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
	chrec_fold_multiply.

2009-06-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40389
	* tree-ssa-operands.c (parse_ssa_operands): Add NRV results
	to the addresses taken bitmap.

2009-06-16  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40446
	* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
	use gen_lowpart if op0 has complex mode.

2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("bswap<mode>2"): Only available on z900.

2009-06-12  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (last_var_location_insn): New variable.
	(dwarf2out_end_epilogue): Clear last_var_location_insn.
	(dwarf2out_var_location): Don't record anything after last real
	insn.  Only change labels if there were any real instructions
	in between last note and this one, or if changed sections.

2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
	(OPTION_MASK_ISA_CRC32_UNSET): Likewise.
	(ix86_handle_option): Handle OPT_mcrc32.
	(ix86_target_string): Add -mcrc32.
	(bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.

	* config/i386/i386.h (TARGET_CRC32): New.

	* config/i386/i386.md (sse4_2_crc32<mode>): Also check
	TARGET_CRC32.
	(sse4_2_crc32di): Likewise.

	* config/i386/i386.opt (mcrc32): New.

	* doc/invoke.texi: Document -mcrc32.

2009-06-11  Richard Henderson  <rth@redhat.com>

	* common.opt (gdwarf-): Accept a version number.
	* doc/invoke.texi (gdwarf-): Update docs.
	* opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
	* opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
	version level, and record it.

	* dwarf2.h (DW_CIE_VERSION): Remove.
	* dwarf2out.c (DWARF_VERSION): Remove.
	(add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
	(output_call_frame_info): Use CIE version 3 for dwarf3,
	or if the return register column is out of range for version 1.
	(dwarf_stack_op_name): Add all dwarf3 values.
	(DEBUG_PUBTYPES_SECTION): New.
	(size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
	encoding change for dwarf3.
	(output_die) [dw_val_class_die_ref]: Likewise.
	(output_compilation_unit_header): Emit correct version for dwarf3.
	(output_line_info): Likewise.
	(output_pubnames): Update for DWARF_VERSION removal.
	(output_aranges): Likewise.
	(gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
	(dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
	(dwarf2out_finish): Likewise.

2009-06-11  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (min_insn_size): Use get_attr_length
	for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
	For __asm return 0.

	* config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
	instead of emit_insn_before.

2009-06-08  Jakub Jelinek  <jakub@redhat.com>

	* tree-object-size.c (addr_object_size): Add OSI argument.
	Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
	(compute_builtin_object_size, expr_object_size): Adjust callers.
	(plus_stmt_object_size): Call addr_object_size instead of
	compute_builtin_object_size.

	* dwarf2out.c (emit_cfa_remember): New variable.
	(add_fde_cfi): If emit_cfa_remember, recurse to add
	DW_CFA_remember_state first.
	(dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
	instead just set emit_cfa_remember.

2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>

	* jump.c (returnjump_p): Handle delayed branches.  Add missing
	function comment.

2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
	CFI_* definitions with IN_GCC.

2009-06-04  Jakub Jelinek  <jakub@redhat.com>

	* config/s390/s390.c (global_not_special_regno_p): New static inline.
	(save_gprs): Don't tell unwinder when a global register is saved.
	(s390_emit_epilogue): Emit needed epilogue unwind info.

2009-06-03  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
	insn if it is changing sp.  Use gen_add3_insn instead of
	conditionally gen_addsi3 and gen_adddi3.
	(offset_below_red_zone_p): New static inline function.
	(rs6000_emit_epilogue): Emit needed epilogue unwind info.
	Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
	* config/rs6000/ppc-asm.h: Include auto-host.h.
	(CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
	CFI_RESTORE): Define.
	* config/rs6000/crtresxgpr.asm: Add unwind info.
	* config/rs6000/crtresxfpr.asm: Likewise.
	* config/rs6000/crtresgpr.asm: Likewise.
	* config/rs6000/crtresfpr.asm: Likewise.
	* config/rs6000/crtsavgpr.asm: Likewise.
	* config/rs6000/crtsavfpr.asm: Likewise.

2009-06-01  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (queued_cfa_restores): New static variable.
	(ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
	functions.
	(pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
	(ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
	Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
	Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
	note unconditionally.
	(ix86_emit_restore_regs_using_mov): Likewise.
	(ix86_emit_restore_sse_regs_using_mov): Likewise.
	(ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
	it through to ix86_emit_restore_reg_using_pop.
	(ix86_emit_leave): Add RED_OFFSET argument.  Call
	ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
	instead of adding REG_CFA_OFFSET note unconditionally.
	(ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
	the above functions.  Call ix86_add_queued_cfa_restore_notes when
	needed.

	* config/i386/i386.h (struct machine_cfa_state,
	struct machine_function): Guard with ifndef USED_FOR_TARGET
	instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.

	PR middle-end/40316
	* recog.c (peep2_reinit_state): New function.
	(peephole2_init_state): Use it at the end of a basic block and also
	when seeing a RTX_FRAME_RELATED_P insn.

2009-05-31  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40304
	* config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
	frame related even if !set_cfa && style < 0.

2009-05-29  Richard Henderson  <rth@redhat.com>

	* cfgcleanup.c (try_crossjump_to_edge): Only skip past
	NOTE_INSN_BASIC_BLOCK.
	* cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
	Duplicate NOTE_INSN_EPILOGUE_BEG notes.
	* cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
	to be deleted.
	* dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
	add in_use field.
	(add_cfi): Disable check redefining cfa away from drap.
	(lookup_cfa_1): Add remember argument; handle remember/restore.
	(lookup_cfa): Pass remember argument.
	(cfa_remember): New.
	(compute_barrier_args_size_1): Remove sibcall check.
	(dwarf2out_frame_debug_def_cfa): New.
	(dwarf2out_frame_debug_adjust_cfa): New.
	(dwarf2out_frame_debug_cfa_offset): New.
	(dwarf2out_frame_debug_cfa_register): New.
	(dwarf2out_frame_debug_cfa_restore): New.
	(dwarf2out_frame_debug): Handle REG_CFA_* notes.
	(dwarf2out_begin_epilogue): New.
	(dwarf2out_frame_debug_restore_state): New.
	(dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
	DW_CFA_restore_state.
	(output_cfi_directive): Likewise.
	(convert_cfa_to_fb_loc_list): Likewise.
	(dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
	* dwarf2out.h: Update.
	* emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
	(copy_insn_1): Early out for null.
	* final.c (final_scan_insn): Call dwarf2out_begin_epilogue
	and dwarf2out_frame_debug_restore_state.
	* function.c (prologue, epilogue, sibcall_epilogue): Remove.
	(prologue_insn_hash, epilogue_insn_hash): New.
	(free_after_compilation): Adjust freeing accordingly.
	(record_insns): Create hash table if needed; push insns into
	hash instead of array.
	(maybe_copy_epilogue_insn): New.
	(contains): Search hash table instead of array.
	(sibcall_epilogue_contains): Remove.
	(thread_prologue_and_epilogue_insns): Split eh_return insns
	and mark them as epilogues.
	(reposition_prologue_and_epilogue_notes): Rewrite epilogue
	scanning in terms of basic blocks.
	* insn-notes.def (CFA_RESTORE_STATE): New.
	* jump.c (returnjump_p_1): Accept EH_RETURN.
	(eh_returnjump_p_1, eh_returnjump_p): New.
	* reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
	CFA_REGISTER, CFA_RESTORE): New.
	* rtl.def (EH_RETURN): New.
	* rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.

	* config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
	(eh_return_internal): Use eh_return rtx; split w/ epilogue.

	* config/i386/i386.c (gen_push): Update cfa state.
	(pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
	add a CFA_ADJUST_CFA note.
	(ix86_dwarf_handle_frame_unspec): Remove.
	(ix86_expand_prologue): Update cfa state.
	(ix86_emit_restore_reg_using_pop): New.
	(ix86_emit_restore_regs_using_pop): New.
	(ix86_emit_leave): New.
	(ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
	(ix86_expand_epilogue): Add notes for unwinding the epilogue.
	* config/i386/i386.h (struct machine_cfa_state): New.
	(ix86_cfa_state): New.
	* config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
	(eh_return_internal): Merge from eh_return_<mode>,
	use eh_return rtx, split w/ epilogue.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_decompose_address): Avoid useless
	0 displacement.  Add 0 displacement if base is %[er]bp or %r13.

	* config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
	TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
	(prefix_rex): For UNIT_MMX don't imply the prefix by default
	if MODE_DI.
	(prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
	to 1 for TYPE_SSE{IADD1,CVT1}.
	(prefix_vex_imm8): Removed.
	(length_vex): Only pass 1 as second argument to
	ix86_attr_length_vex_default if prefix_extra is 0.
	(modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
	(length): For prefix vex computation use length_immediate
	attribute instead of prefix_vex_imm8.
	(cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
	addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
	*andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
	*xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
	(extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
	*extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
	a space in between the operands.
	(*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
	if one operand is 0xff and the other one si, di, bp or sp.
	(*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
	other one si, di, bp or sp.
	(*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
	(*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
	type and mode attributes.
	(*bsr, *bsr_rex64, *bsrhi): Add type attribute.
	(*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
	prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
	(*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
	prefix_data16 attribute iff MODE_DF.
	(*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
	(fix_trunc<mode>di_sse): Set prefix_rex attribute.
	(*adddi_4_rex64, *addsi_4): Use const128_operand instead of
	constm128_operand in length_immediate computation.
	(*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
	(anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
	(*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
	length_immediate attribute to 1.
	(x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
	(*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
	for certain alternatives.
	(*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
	prefix_data16 attribute if MODE_V1DF.
	(*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
	length_immediate to 1.
	(set_got_rex64, set_rip_rex64): Remove length attribute, set
	length_address to 4, set mode attribute to MODE_DI.
	(set_got_offset_rex64): Likewise.  Set length_immediate to 0.
	(fxam<mode>2_i387): Set length attribute to 4.
	(*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
	*prefetch_3dnow_rex): Override length_address attribute.
	(sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
	attributes.
	* config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
	(constm128_operand): Removed.
	* config/i386/i386.c (memory_address_length): For
	disp && !index && !base in 64-bit mode account for SIB byte if
	print_operand_address can't optimize disp32 into disp32(%rip)
	and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
	for fs: or gs: segment.
	(ix86_attr_length_immediate_default): When checking if shortform
	is possible, truncate immediate to the length of the non-shortened
	immediate.
	(ix86_attr_length_address_default): Ignore MEM_P operands
	with X constraint.
	(ix86_attr_length_vex_default): Only check for DImode on
	GENERAL_REG_P operands.
	* config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
	prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
	(sse_cvttps2pi): Clear prefix_rep attribute.
	(sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
	attribute.
	(*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
	(*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
	*avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
	iff operand 2 is const_int_operand.
	(*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
	sse2_shufpd_<mode>): Set length_immediate attribute to 1.
	(sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
	instead of vex.
	(sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
	prefix_data16.
	(sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
	prefix_data16 attribute for movlpd and movhpd instructions.
	(sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
	length_immediate for shufpd instruction.
	(sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
	(avx_cmpp<avxmodesuffixf2c><mode>3,
	avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
	<sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
	avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
	*vec_dupv4sf_avx, *vec_dupv4sf): Set
	length_immediate attribute to 1.
	(*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
	(sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
	(sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
	prefix_data16 attribute for the first alternative to 1.
	(*avx_loadlps): Override length_immediate for the first alternative.
	(*vec_concatv2sf_avx): Override length_immediate and prefix_extra
	attributes for second alternative.
	(*vec_concatv2sf_sse4_1): Override length_immediate and
	prefix_data16 attributes for second alternative.
	(*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
	vec_extract_hi_<mode>, vec_extract_lo_v16hi,
	vec_extract_hi_v16hi, vec_extract_lo_v32qi,
	vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
	(*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
	prefix_data16 and length_immediate to 1.
	(*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
	to 1.
	(*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
	prefix_extra attribute for variants that don't have 0f prefix
	alone.
	(*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
	(*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
	*sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
	*sse4_1_pextrd): Set length_immediate to 1.
	(*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
	(*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
	to 1.
	(*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
	*vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
	length_immediate to 1 for second alternative.
	(*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
	prefix_extra and length_immediate attributes for the first
	alternative.
	(vec_concatv2si_sse4_1): Override length_immediate to 1 for the
	first alternative.
	(*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
	to 1 for the first and third alternative.
	(*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
	alternative.
	(*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
	attribute.
	(*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
	attribute to 0.
	(*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
	*avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
	*avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
	*avx_psign<mode>3): Set prefix_extra attribute to 1.
	(ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
	ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
	ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
	ssse3_psign<mode>3): Override prefix_rex attribute.
	(*avx_palignrti): Override prefix_extra and length_immediate
	to 1.
	(ssse3_palignrti): Override length_immediate to 1.
	(ssse3_palignrdi): Override length_immediate to 1, override
	prefix_rex attribute.
	(abs<mode>2): Override prefix_rep to 0, override prefix_rex
	attribute.
	(sse4a_extrqi): Override length_immediate to 2.
	(sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
	(sse4a_insertq): Override prefix_data16 to 0.
	(avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
	avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
	avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
	*avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
	avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
	and length_immediate to 1.
	(sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
	sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
	sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
	sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
	and length_immediate to 1.
	(sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
	(sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
	(*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
	avx_ptest256): Override prefix_extra to 1.
	(sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
	Override prefix_data16 and length_immediate to 1.
	(sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
	sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
	sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
	sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
	prefix_data16 to 0 and prefix_extra to 2.
	(sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
	(sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
	attribute.
	(*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
	sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
	Override prefix_data16 and prefix_rep to 0, length_immediate to 1
	and prefix_extra to 2.
	(sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
	prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
	(*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
	avx_vpermilvar<mode>3,
	avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
	avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
	avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
	avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
	Override prefix_extra to 1.
	(aeskeygenassist, pclmulqdq): Override length_immediate to 1.
	(*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
	vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
	vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
	prefix_extra and length_immediate to 1.
	(*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
	modrm to 0.
	(*vec_concat<mode>_avx): Override prefix_extra and length_immediate
	to 1 for the first alternative.
	* config/i386/mmx.md (*mov<mode>_internal_rex64): Override
	prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
	cases.
	(*mov<mode>_internal_avx, *movv2sf_internal_rex64,
	*movv2sf_internal_avx, *movv2sf_internal): Override
	prefix_rep attribute for certain alternatives.
	(*mov<mode>_internal): Override prefix_rep or prefix_data16
	attributes for certain alternatives.
	(*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
	attributes for certain alternatives.
	(*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
	*mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
	mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
	mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
	*mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
	mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
	mmx_pswapdv2si2): Set prefix_extra attribute to 1.
	(mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
	length_immediate to 1 if operand 2 is const_int_operand.
	(*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
	*vec_extractv2si_1): Set length_immediate
	attribute to 1.
	(*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
	using old 3DNOW insn rather than SSE/3DNOW_A.
	(mmx_emms, mmx_femms): Clear modrm attribute.

2009-05-21  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (memory_address_length): Handle %r12
	the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
	also check REGNO.
	(ix86_attr_length_address_default): For MODE_SI lea in 64-bit
	mode look through optional ZERO_EXTEND and SUBREG.
	* config/i386/i386.md (R12_REG): New define_constant.
	(prefix_data16): For sse unit set also for MODE_TI insns.
	(prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
	insns set if operand 1 is ext_QIreg_operand.
	(modrm): For TYPE_IMOV clear only if not MODE_DI.  For
	TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
	immediate.
	(*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
	mode from MODE_DI to MODE_SI.
	(movdi_1_rex64): Override modrm and length_immediate attributes
	only for movabs (TYPE_IMOV, alternative 2).
	(zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
	(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
	*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
	*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
	*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
	prefix_rex attribute if DImode.
	(*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
	*addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
	*addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
	*addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
	attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
	(pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
	Likewise.  For TYPE_IMOV clear length_immediate attribute.
	(*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
	*ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
	*ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
	*ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
	*ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
	or one operand TYPE_ISHIFT.
	(*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
	*ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
	*ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
	*ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
	*ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
	*ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
	*ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
	*lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
	*lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
	*lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
	*lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
	*lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
	*lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
	*rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
	*rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
	*rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
	*rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
	set mode attribute, don't override length attribute.
	(*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
	to 1.
	(return_internal_long): Set length attribute to 2 instead of 1.
	(*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
	*cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
	prefix_rex attribute.
	* config/i386/predicates.md (ext_QIreg_operand,
	const128_operand): New predicates.
	(memory_displacement_only_operand): Always return 0 for
	TARGET_64BIT.

2009-05-21  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
	operand2 -128 override length_immediate attribute to 1.
	* config/i386/predicates.md (constm128_operand): New predicate.

2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
	ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.

2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39942
	* config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
	gen_align with gen_pad.
	(ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
	#ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.

	* config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
	* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.

	* config/i386/i386.md (align): Renamed to ...
	(pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
	ASM_OUTPUT_MAX_SKIP_PAD.

2009-05-16  Jakub Jelinek  <jakub@redhat.com>
 
 	PR target/39942
	* final.c (label_to_max_skip): New function.
	(label_to_alignment): Only use LABEL_TO_ALIGNMENT if
	CODE_LABEL_NUMBER <= max_labelno.
	* output.h (label_to_max_skip): New prototype.
	* config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
	(ix86_avoid_jump_mispredicts): ... this.  Don't define if
	ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
	Handle CODE_LABELs with >= 16 byte alignment or with
	max_skip == (1 << align) - 1.
	(ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
	ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.

2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
	only once.

2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/cpuid.h (bit_MOVBE): New.

	* config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.

	* config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
	(OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
	(ix86_handle_option): Handle OPT_mmovbe.
	(ix86_target_string): Add -mmovbe.
	(pta_flags): Add PTA_MOVBE.
	(processor_alias_table): Add PTA_MOVBE to "atom".
	(override_options): Handle PTA_MOVBE.

	* config/i386/i386.h (TARGET_MOVBE): New.

	* config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
	(*bswapsi_movbe): New.
	(*bswapdi_movbe): Likewise.
	(bswapdi2): Renamed to ...
	(*bswapdi_1): This.
	(bswapdi2): New expander.

	* config/i386/i386.opt (mmovbe): New.

	* doc/invoke.texi: Document -mmovbe.

2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Check
	extended family and model for Intel processors.  Support Intel
	Atom.

2009-02-05  Joey Ye  <joey.ye@intel.com>
	    Xuepeng Guo <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	Atom pipeline model, tuning and insn selection.
	* rtlanal.c (reg_mentioned_by_mem_p_1): New function.
	(reg_mentioned_by_mem_p): New function.
	(reg_dep_by_addr_p): New function.

	* rtl.h (reg_mentioned_by_mem_p): Declare new function.
	(reg_dep_by_addr_p): Likewise.

	* config.gcc (atom): Add atom config options and target.

	* config/i386/i386.h (TARGET_ATOM): New target macro.
	(X86_TUNE_OPT_AGU): New tuning flag.
	(TARGET_OPT_AGU): New target option.
	(TARGET_CPU_DEFAULT_atom): New CPU default.
	(PROCESSOR_ATOM): New processor.

	* config/i386/i386-c.c (ix86_target_macros_internal): New case
	PROCESSOR_ATOM.
	(ix86_target_macros_internal): Likewise.

	* config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
	function.
	(ix86_dep_by_shift_count): Likewise.
	(ix86_agi_dependent): Likewise.

	* config/i386/i386.c (atom_cost): New cost.
	(m_ATOM): New macro flag.
	(initial_ix86_tune_fe): Set m_ATOM.
	(x86_accumulate_outgoing_args): Likewise.
	(x86_arch_always_fancy_math_387): Likewise.
	(processor_target): Add Atom cost.
	(cpu_names): Add Atom cpu name.
	(override_options): Set Atom ISA.
	(LEA_SEARCH_THRESHOLD): New macro.
	(distance_non_agu_define): New function.
	(distance_agu_use): Likewise.
	(ix86_lea_for_add_ok): Likewise.
	(ix86_dep_by_shift_count): Likewise.
	(ix86_agi_dependent): Make it global.
	(ix86_issue_rate): New case PROCESSOR_ATOM.
	(ix86_adjust_cost): Likewise.

	* config/i386/i386.md (cpu): Add new value "atom".
	(atom.md): Include atom.md.
	(use_carry, movu): New attr.
	(adddi3_carry_rex64): Set attr "use_carry".
	(addqi3_carry): Likewise.
	(addhi3_carry): Likewise.
	(addsi3_carry): Likewise.
	(*addsi3_carry_zext): Likewise.
	(subdi3_carry_rex64): Likewise.
	(subqi3_carry): Likewise.
	(subhi3_carry): Likewise.
	(subsi3_carry): Likewise.
	(x86_movdicc_0_m1_rex64): Likewise.
	(*x86_movdicc_0_m1_se): Likewise.
	(x86_movsicc_0_m1): Likewise.
	(*x86_movsicc_0_m1_se): Likewise.
	(*adddi_1_rex64): Emit add insn as much as possible.
	(*addsi_1): Likewise.
	(return_internal): Set atom_unit.
	(return_internal_long): Likewise.
	(return_pop_internal): Likewise.
	(*rcpsf2_sse): Set atom_sse_attr attr.
	(*qrt<mode>2_sse): Likewise.
	(*prefetch_sse): Likewise.

	* config/i386/sse.md (cpu): Set attr "atom_sse_attr".
	(*prefetch_sse_rex): Likewise.
	(sse_rcpv4sf2): Likewise.
	(sse_vmrcpv4sf2): Likewise.
	(sse_sqrtv4sf2): Likewise.
	(<sse>_vmsqrt<mode>2): Likewise.
	(sse_ldmxcsr): Likewise.
	(sse_stmxcsr): Likewise.
	(*sse_sfence): Likewise.
	(sse2_clflush): Likewise.
	(*sse2_mfence): Likewise.
	(*sse2_lfence): Likewise.
	(avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
	(<sse>_movup<ssemodesuffixf2c>): Likewise.
	(avx_movdqu<avxmodesuffix>): Likewise.
	(avx_lddqu<avxmodesuffix>): Likewise.
	(sse2_movntv2di): Change attr "type" to "ssemov".
	(sse2_movntsi): Likewise.
	(rsqrtv8sf2): Change attr "type" to "sseadd".
	(sse3_addsubv2df3): Set attr "atom_unit".
	(sse3_h<plusminus_insn>v4sf3): Likewise.
	(*sse2_pmaddwd): Likewise.
	(*vec_extractv2di_1_rex64): Likewise.
	(*vec_extractv2di_1_avx): Likewise.
	(sse2_psadbw): Likewise.
	(ssse3_phaddwv8hi3): Likewise.
	(ssse3_phaddwv4hi3): Likewise.
	(ssse3_phadddv4si3): Likewise.
	(ssse3_phadddv2si3): Likewise.
	(ssse3_phaddswv8hi3): Likewise.
	(ssse3_phaddswv4hi3): Likewise.
	(ssse3_phsubwv8hi3): Likewise.
	(ssse3_phsubwv4hi3): Likewise.
	(ssse3_phsubdv4si3): Likewise.
	(ssse3_phsubdv2si3): Likewise.
	(ssse3_phsubswv8hi3): Likewise.
	(ssse3_phsubswv4hi3): Likewise.
	(ssse3_pmaddubsw128): Likewise.
	(sse3_pmaddubsw: Likewise.
	(ssse3_palignrti): Likewise.
	(ssse3_palignrdi): Likewise.

	* config/i386/atom.md: New.

2009-02-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_agi_dependent): Remove the third
	argument.  Swap the first 2 arguments.
	(ix86_adjust_cost): Updated.

2009-01-30  Vladimir Makarov  <vmakarov@redhat.com>

	* genautomata.c: Add a new year to the copyright.  Add a new
	reference.
	(struct insn_reserv_decl): Add comments for member bypass_list.
	(find_bypass): Remove.
	(insert_bypass): New.
	(process_decls): Use insert_bypass.
	(output_internal_insn_latency_func): Output all bypasses with the
	same input insn in one switch case.

	* rtl.def (define_bypass): Describe bypass choice.
	* doc/md.texi (define_bypass): Ditto.

2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/extend.texi: Add description for __builtin_ia32_crc32di.

2009-06-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40340
	* tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
	inlined_function_outer_scope_p blocks for artificial inlines
	even at -g0/-g1.
	* tree.c (tree_nonartificial_location): Rewrite using
	block_nonartificial_location.

2009-06-03  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (output_cfi_directive): Pass 1 instead of
	0 to second argument of DWARF2_FRAME_REG_OUT macros.

2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backport from mainline:
	2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (ashldi3_std): New define_expand.
	(ashldi3): Use it.

2009-06-02  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
	force output of the label even for dwarf2out_do_cfi_asm.
	(add_fde_cfi): If -g2 and above and cfi might change CFA,
	force creation of CFI label and chain DW_CFA_set_loc jumping to it
	for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
	caller.
	(dwarf2out_stack_adjust, dwarf2out_frame_debug): Adjust
	dwarf2out_cfi_label callers.
	* tree.h (dwarf2out_cfi_label): Adjust prototype.
	* config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
	Adjust dwarf2out_cfi_label callers.
	* config/vax/vax.c (vax_output_function_prologue): Likewise.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40291
	* builtins.c (expand_builtin_memcmp): Convert len to sizetype
	before expansion.

	PR target/40017
	* config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
	(altivec_categorize_keyword, init_vector_keywords,
	rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
	similar to bool.

2009-05-28  Alexandre Oliva  <aoliva@redhat.com>

	* tree-inline.c (remap_decls): Enable nonlocalized variables
	when not optimizing.

2009-05-28  Alexandre Oliva  <aoliva@redhat.com>

	* tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
	Simplify other tests involving optimize.

2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40266
	* config/i386/driver-i386.c (host_detect_local_cpu): Support
	AVX, SSE4, AES, PCLMUL and POPCNT.

2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	PR bootstrap/40027
	* config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
	* config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.

2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>

	* gcc/config/sh/sh.c (sh_set_return_address): Mark store of
	return address with a USE.

2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
	Remove outdated reference to flow.c and fix nits.
	* doc/gccint.texi: Tweak RTL description.
	* doc/rtl.texi: Likewise.

2009-05-22  Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/40087
	* tree-ssa-loop-niter.c (number_of_iterations_ne_max,
	number_of_iterations_ne): Rename never_infinite argument.
	(number_of_iterations_lt_to_ne, number_of_iterations_lt,
	number_of_iterations_le): Handle pointer-type ivs when
	exit_must_be_taken is false.
	(number_of_iterations_cond):  Do not always assume that
	exit_must_be_taken if the control variable is a pointer.

2009-05-22 Vladimir Makarov <vmakarov@redhat.com>

	PR target/39856
	* reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
	for clobber.

2009-05-21  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR rtl-optimization/40105
	Backport from mainline:

	2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
		    Steven Bosscher  <steven@gcc.gnu.org>

	* Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
	* cfgrtl.c: Include insn-attr.h.
	(rest_of_pass_free_cfg): New function.
	(pass_free_cfg): Use rest_of_pass_free_cfg as execute function.

	2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
		    Eric Botcazou  <ebotcazou@adacore.com>

	* resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
	a label's basic block.
	(mark_target_live_regs): Tidy and rework obsolete comments.
	Change back DF problem to LIVE.  If a label starts a basic block,
	assume that all registers that used to be live then still are.
	(init_resource_info): If a label starts a basic block, set its
	BLOCK_FOR_INSN accordingly.
	(free_resource_info): Undo the setting of BLOCK_FOR_INSN.

2009-05-21  Jakub Jelinek  <jakub@redhat.com>

	PR target/39942
	* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
	.p2align 3 if MAX_SKIP is smaller than 7.
	* config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.

2009-05-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40204
	* fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
	recursion if build_int_cst_type returns the same INTEGER_CST as
	arg1.

2009-05-19  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
	not falsely claim to have propagated into all uses.

2009-05-18  Dodji Seketeli  <dodji@redhat.com>

	PR debug/40109
	* dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
	child of the containing namespace's DIE.

2009-05-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39999
	* gimple.h (gimple_expr_type): Use the expression type looking
	through useless conversions.
	* tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
	(vn_nary_op_insert_stmt): Likewise.
	(simplify_binary_expression): Likewise.

2009-05-16  Richard Earnshaw  <rearnsha@arm.com>

	PR target/40153
	* arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
	implies.

2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/40147
	* ipa-utils.h (memory_identifier_string): Moved to ...
	* tree.h (memory_identifier_string): Here.  Add GTY(()).

2009-05-14  Ben Elliston <bje@au.ibm.com>

	Backport from mainline:
	2009-05-14  Jakub Jelinek  <jakub@redhat.com>
		    Ben Elliston <bje@au.ibm.com>

	PR middle-end/40035
	* dse.c (check_mem_read_rtx): Guard against width == -1.

2009-05-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/37179
	* config/i386/driver-i386.c (processor_signatures): New enum.
	(SIG_GEODE): Move from vendor_signatures to processor_signatures.
	(host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
	processor signature to detect geode processor.

2009-05-12  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline:
	2009-05-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39666
	* gimplify.c (gimplify_switch_expr): If case labels cover the whole
	range of the type, but default label is missing, add it with one
	of the existing labels instead of adding a new label for it.

2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>

	* tree-vect-analyze.c (vect_analyze_group_access): Use
	HOST_WIDE_INT for gap.

2009-05-11  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/40074
	* tree-vect-analyze.c (vect_analyze_group_access): Take gaps into
	account in group size and step comparison.

2009-05-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40062
	* tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
	Avoid exponential behavior.

2009-05-07  Janis Johnson  <janis187@us.ibm.com>

	PR middle-end/39986
	* dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
	decode_decimal64, encode_decimal128, decode_decimal128): Avoid
	32-bit memcpy into long.

2009-05-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40057
	* dojump.c (prefer_and_bit_test): Use immed_double_const instead of
	GEN_INT for 1 << bitnum.
	(do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
	build_int_cst_type.

2009-05-07  Uros Bizjak  <ubizjak@gmail.com>

	* doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
	Remove wrong description of "nand" operation.

2009-04-28  Catherine Moore  <clm@codesourcery.com>

	* debug.h (set_name): Add comment.

2009-04-17  David Edelsohn  <edelsohn@gnu.org>

	* dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.

2009-04-15  Catherine Moore  <clm@codesourcery.com>

	PR debug/35463
	* debug.h (set_name):  Declare.
	* dwarf2out.c (dwarf2out_set_name): Declare.
	(dwarf2_debug_hooks): Add set_name.
	(find_AT_string): New.
	(add_AT_string): Call find_AT_string.
	(dwarf2out_set_name): New.
	* vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
	* debug.c (do_nothing_debug_hooks):  Likewise.
	* dbxout.c (dbx_debug_hooks): Likewise.
	* sdbout.c (sdb_debug_hooks): Likewise.

2009-05-06  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
	(one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
	new_reg_loc_descr.
	(loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
	instead of appending DW_OP_deref*.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (*avx_<code><mode>3_finite): Replace
	ssemodesuffixf2c with avxmodesuffixf2c.

2009-05-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40022
	* tree-ssa-phiprop.c (phivn_valid_p): Fix tuplification error.

2009-05-05  Jakub Jelinek  <jakub@redhat.com>

	* tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
	(struct tree_base): Adjust spacing for 8 bit boundaries.
	(struct tree_decl_common): Add decl_by_reference_flag bit.
	(DECL_BY_REFERENCE): Adjust.
	* print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
	print DECL_BY_REFERENCE bit.
	* dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
	* dwarf2out.c (loc_by_reference, gen_decl_die): Check
	DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
	(gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
	unconditionally.

2009-05-04  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_override_options): Disable -fivopts for
	-mcpu=m32c until ivopts supports sizeof(ptr) != sizeof(size_t).
	(m32c_legitimize_reload_address): Work around reload bug until
	reload supports sizeof(ptr) != sizeof(size_t).

2009-05-03  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/39914
	* ira-conflicts.c (ira_build_conflicts): Prohibit call used
	registers for allocnos created from user-defined variables only
	when not optimizing.

2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* toplev.c (print_version): Update GMP version string calculation.

2009-04-28  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39903
	* config/i386/i386.c (construct_container): Don't call
	gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
	X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.

2009-04-27  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/39794
	* alias.c (canon_true_dependence): Add x_addr argument.
	* rtl.h (canon_true_dependence): Adjust prototype.
	* cse.c (check_dependence): Adjust canon_true_dependence callers.
	* cselib.c (cselib_invalidate_mem): Likewise.
	* gcse.c (compute_transp): Likewise.
	* dse.c (scan_reads_nospill): Likewise.
	(record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
	addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
	canon_base_addr of the group, plus optional offset.
	(struct group_info): Rename canon_base_mem to
	canon_base_addr.
	(get_group_info): Set canon_base_addr to canon_rtx of base, not
	canon_rtx of base_mem.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

	* tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
	note_nonlocal_vla_type for nonlocal VLAs.
	(note_nonlocal_vla_type, note_nonlocal_block_vlas,
	contains_remapped_vars, remap_vla_decls): New functions.
	(convert_nonlocal_reference_stmt): If not optimizing, call
	note_nonlocal_block_vlas on GIMPLE_BIND block vars.
	(nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
	if it wasn't found in var_map.
	(finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
	GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
	to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
	declare_vars.
	* gimplify.c (nonlocal_vlas): New variable.
	(gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
	referenced VLAs.
	(gimplify_body): Create and destroy nonlocal_vlas.

	* dwarf2out.c (loc_descr_plus_const): New function.
	(build_cfa_aligned_loc, tls_mem_loc_descriptor,
	mem_loc_descriptor, loc_descriptor_from_tree_1,
	descr_info_loc, gen_variable_die): Use it.

	* tree.h (DECL_BY_REFERENCE): Note that it is also valid for
	!TREE_STATIC VAR_DECLs.
	* dwarf2out.c (loc_by_reference, gen_decl_die): Handle
	DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
	(gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
	DECL_BY_REFERENCE is valid.
	* dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
	for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
	* tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
	Copy DECL_BY_REFERENCE.
	(struct nesting_copy_body_data): New type.
	(nesting_copy_decl): New function.
	(finalize_nesting_tree_1): Remap types of debug_var_chain variables,
	if they have variable length.

	PR inline-asm/39543
	* fwprop.c (forward_propagate_asm): New function.
	(forward_propagate_and_simplify): Propagate also into __asm, if it
	doesn't increase the number of referenced registers.

	PR c/39889
	* stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.

2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/constraints.md ('I', 'J'): Fix condition.

2009-04-24  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/39867
	* fold-const.c (fold_cond_expr_with_comparison): When folding
	> and >= to MAX, make sure the MAX uses the same type as the
	comparison's operands.

2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu-builtins.h: Delete file.

	* config/spu/spu.h (enum spu_builtin_type): Move here from
	spu-builtins.h.
	(struct spu_builtin_description): Likewise.  Add GTY marker.
	Do not use enum spu_function_code or enum insn_code.
	(spu_builtins): Add extern declaration.

	* config/spu/spu.c: Do not include "spu-builtins.h".
	(enum spu_function_code, enum spu_builtin_type_index,
	V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
	V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
	unsigned_V8HI_type_node, unsigned_V4SI_type_node,
	unsigned_V2DI_type_node): Move here from spu-builtins.h.
	(spu_builtin_types): Make static.  Add GTY marker.
	(spu_builtins): Add extern declaration with GTY marker.
	Include "gt-spu.h".

	* config/spu/spu-c.c: Do not include "spu-builtins.h".
	(spu_resolve_overloaded_builtin): Do not use spu_function_code.
	Check programmatically whether all parameters are scalar.

	* config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.

2009-04-22  Jing Yu  <jingyu@google.com>

	PR testsuite/39781
	* config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.

2009-04-22  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline:
	2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
	* dbxout.c (dbxout_block): Reinstate test on TREE_USED.
	* tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.

2009-04-22  Jakub Jelinek  <jakub@redhat.com>

	* alias.c (find_base_term): Move around LO_SUM case, so that
	CONST falls through into PLUS/MINUS handling.

	PR c/39855
	* fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
	into 0, use omit_one_operand.

2009-04-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/39762
	* ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
	ira_may_move_out_cost): Add comments about way of their usage.
	(ira_get_register_move_cost, ira_get_may_move_cost): New functions.

	* ira-conflicts.c (process_regs_for_copy): Use function
	ira_get_register_move_cost instead of global
	ira_register_move_cost.

	* ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
	color_pass, move_spill_restore, update_curr_costs): Ditto.

	* ira-lives.c (process_single_reg_class_operands): Ditto.

	* ira-emit.c (emit_move_list): Ditto.

	* ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
	(record_reg_classes): Ditto.  Use functions
	ira_get_register_move_cost and ira_get_may_move_cost instead of
	global vars ira_register_move_cost, ira_may_move_out_cost and
	ira_may_move_in_cost.
	(record_address_regs): Don't call ira_init_register_move_cost.
	Use function ira_get_may_move_cost instead of global
	ira_may_move_in_cost.
	(process_bb_node_for_hard_reg_moves): Use function
	ira_get_register_move_cost instead of global ira_register_move_cost.
	(ira_costs): Don't call ira_init_register_move_cost.

2009-04-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39824
	* tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
	make sure the types are compatible.

2009-04-21  Martin Jambor  <mjambor@suse.cz>

	* tree-switch-conversion.c (constructor_contains_same_values_p):
	New function.
	(build_one_array): Create assigns of constants if possible.

2009-04-21  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.4.1.
	* DEV-PHASE: Set to prerelease.

2009-04-21  Release Manager

	* GCC 4.4.0 released.

2009-04-20  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
	whether operands 0 and 1 overlaps.

2009-04-20  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39675
	* tree-vect-transform.c (vect_transform_loop): Remove currently
	redundant check of the return code of vect_schedule_slp. Check that
	stmt_vec_info still exists for the statement, before checking its
	vectorization type.

2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>

	* config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
	for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.

2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backport from mainline:
	PR target/39767
	* config/sh/predicates.md (arith_operand): Check if the operand
	of TRUNCATE is a REG.

2009-04-15  Richard Guenther  <rguenther@suse.de>

	Backport from mainline:
	PR tree-optimization/39764
	* tree-ssa-ccp.c (get_value): Canonicalize value with
	canonicalize_float_value.

2009-04-14  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39678
	* config/i386/i386.c (classify_argument): Handle SCmode with
	(bit_offset % 64) != 0.

2009-04-14  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2009-04-12  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39740
	* config/alpha/predicates.md (local_symbolic_operand): Return 1 for
	offseted label references.

2009-04-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39713
	* tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
	reference trees have SSA_NAME operands.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

	* config/rs6000/darwin-vecsave.asm: Remove extra "*/".

2009-04-09  Nick Clifton  <nickc@redhat.com>

	* unwind-compat.c: Change copyright header to refer to version
	3 of the GNU General Public License with version 3.1 of the
	GCC Runtime Library Exception and to point readers at the
	COPYING3 and COPYING3.RUNTIME files and the FSF's license web
	page.
	* config/alpha/crtfastmath.c: Likewise.
	* config/alpha/linux-unwind.h: Likewise.
	* config/alpha/qrnnd.asm: Likewise.
	* config/alpha/vms-crt0-64.c: Likewise.
	* config/alpha/vms-crt0.c: Likewise.
	* config/alpha/vms-dwarf2.asm: Likewise.
	* config/alpha/vms-dwarf2eh.asm: Likewise.
	* config/alpha/vms-psxcrt0-64.c: Likewise.
	* config/alpha/vms-psxcrt0.c: Likewise.
	* config/alpha/vms_tramp.asm: Likewise.
	* config/arc/initfini.c: Likewise.
	* config/arc/lib1funcs.asm: Likewise.
	* config/arm/bpabi-v6m.S: Likewise.
	* config/arm/bpabi.S: Likewise.
	* config/arm/bpabi.c: Likewise.
	* config/arm/crti.asm: Likewise.
	* config/arm/crtn.asm: Likewise.
	* config/arm/ieee754-df.S: Likewise.
	* config/arm/ieee754-sf.S: Likewise.
	* config/arm/lib1funcs.asm: Likewise.
	* config/arm/libunwind.S: Likewise.
	* config/arm/linux-atomic.c: Likewise.
	* config/arm/mmintrin.h: Likewise.
	* config/arm/pr-support.c: Likewise.
	* config/arm/unaligned-funcs.c: Likewise.
	* config/arm/unwind-arm.c: Likewise.
	* config/arm/unwind-arm.h: Likewise.
	* config/avr/libgcc.S: Likewise.
	* config/bfin/crti.s: Likewise.
	* config/bfin/crtlibid.s: Likewise.
	* config/bfin/crtn.s: Likewise.
	* config/bfin/lib1funcs.asm: Likewise.
	* config/bfin/linux-unwind.h: Likewise.
	* config/cris/arit.c: Likewise.
	* config/cris/cris_abi_symbol.c: Likewise.
	* config/darwin-64.c: Likewise.
	* config/darwin-crt2.c: Likewise.
	* config/darwin-crt3.c: Likewise.
	* config/darwin.h: Likewise.
	* config/dbxelf.h: Likewise.
	* config/dfp-bit.c: Likewise.
	* config/dfp-bit.h: Likewise.
	* config/elfos.h: Likewise.
	* config/fixed-bit.c: Likewise.
	* config/fixed-bit.h: Likewise.
	* config/fp-bit.c: Likewise.
	* config/fp-bit.h: Likewise.
	* config/fr30/crti.asm: Likewise.
	* config/fr30/crtn.asm: Likewise.
	* config/fr30/lib1funcs.asm: Likewise.
	* config/freebsd-spec.h: Likewise.
	* config/frv/cmovd.c: Likewise.
	* config/frv/cmovh.c: Likewise.
	* config/frv/cmovw.c: Likewise.
	* config/frv/frvbegin.c: Likewise.
	* config/frv/frvend.c: Likewise.
	* config/frv/lib1funcs.asm: Likewise.
	* config/h8300/clzhi2.c: Likewise.
	* config/h8300/crti.asm: Likewise.
	* config/h8300/crtn.asm: Likewise.
	* config/h8300/ctzhi2.c: Likewise.
	* config/h8300/fixunssfsi.c: Likewise.
	* config/h8300/lib1funcs.asm: Likewise.
	* config/h8300/parityhi2.c: Likewise.
	* config/h8300/popcounthi2.c: Likewise.
	* config/i386/ammintrin.h: Likewise.
	* config/i386/att.h: Likewise.
	* config/i386/avxintrin.h: Likewise.
	* config/i386/biarch64.h: Likewise.
	* config/i386/bmmintrin.h: Likewise.
	* config/i386/cpuid.h: Likewise.
	* config/i386/cross-stdarg.h: Likewise.
	* config/i386/crtfastmath.c: Likewise.
	* config/i386/crtprec.c: Likewise.
	* config/i386/cygming-crtbegin.c: Likewise.
	* config/i386/cygming-crtend.c: Likewise.
	* config/i386/cygwin.asm: Likewise.
	* config/i386/emmintrin.h: Likewise.
	* config/i386/gmm_malloc.h: Likewise.
	* config/i386/gthr-win32.c: Likewise.
	* config/i386/i386.h: Likewise.
	* config/i386/immintrin.h: Likewise.
	* config/i386/linux-unwind.h: Likewise.
	* config/i386/linux64.h: Likewise.
	* config/i386/mm3dnow.h: Likewise.
	* config/i386/mmintrin-common.h: Likewise.
	* config/i386/mmintrin.h: Likewise.
	* config/i386/nmmintrin.h: Likewise.
	* config/i386/pmm_malloc.h: Likewise.
	* config/i386/pmmintrin.h: Likewise.
	* config/i386/smmintrin.h: Likewise.
	* config/i386/sol2-c1.asm: Likewise.
	* config/i386/sol2-ci.asm: Likewise.
	* config/i386/sol2-cn.asm: Likewise.
	* config/i386/sol2-gc1.asm: Likewise.
	* config/i386/tmmintrin.h: Likewise.
	* config/i386/unix.h: Likewise.
	* config/i386/w32-unwind.h: Likewise.
	* config/i386/wmmintrin.h: Likewise.
	* config/i386/x86-64.h: Likewise.
	* config/i386/x86intrin.h: Likewise.
	* config/i386/xmmintrin.h: Likewise.
	* config/ia64/crtbegin.asm: Likewise.
	* config/ia64/crtend.asm: Likewise.
	* config/ia64/crtfastmath.c: Likewise.
	* config/ia64/crti.asm: Likewise.
	* config/ia64/crtn.asm: Likewise.
	* config/ia64/fde-glibc.c: Likewise.
	* config/ia64/lib1funcs.asm: Likewise.
	* config/ia64/linux-unwind.h: Likewise.
	* config/ia64/quadlib.c: Likewise.
	* config/ia64/unwind-ia64.c: Likewise.
	* config/linux.h: Likewise.
	* config/m32c/m32c-lib1.S: Likewise.
	* config/m32c/m32c-lib2.c: Likewise.
	* config/m32r/initfini.c: Likewise.
	* config/m68hc11/larith.asm: Likewise.
	* config/m68hc11/m68hc11-crt0.S: Likewise.
	* config/m68k/cf.md: Likewise.
	* config/m68k/crti.s: Likewise.
	* config/m68k/crtn.s: Likewise.
	* config/m68k/lb1sf68.asm: Likewise.
	* config/m68k/linux-unwind.h: Likewise.
	* config/mcore/crti.asm: Likewise.
	* config/mcore/crtn.asm: Likewise.
	* config/mcore/lib1.asm: Likewise.
	* config/mips/linux-unwind.h: Likewise.
	* config/mips/loongson.h: Likewise.
	* config/mips/mips16.S: Likewise.
	* config/mmix/crti.asm: Likewise.
	* config/mmix/crtn.asm: Likewise.
	* config/pa/fptr.c: Likewise.
	* config/pa/hpux-unwind.h: Likewise.
	* config/pa/lib2funcs.asm: Likewise.
	* config/pa/linux-atomic.c: Likewise.
	* config/pa/linux-unwind.h: Likewise.
	* config/pa/milli64.S: Likewise.
	* config/pa/quadlib.c: Likewise.
	* config/pa/stublib.c: Likewise.
	* config/picochip/libgccExtras/adddi3.asm: Likewise.
	* config/picochip/libgccExtras/ashlsi3.asm: Likewise.
	* config/picochip/libgccExtras/ashlsi3.c: Likewise.
	* config/picochip/libgccExtras/ashrsi3.asm: Likewise.
	* config/picochip/libgccExtras/ashrsi3.c: Likewise.
	* config/picochip/libgccExtras/cmpsi2.asm: Likewise.
	* config/picochip/libgccExtras/divmod15.asm: Likewise.
	* config/picochip/libgccExtras/divmodhi4.asm: Likewise.
	* config/picochip/libgccExtras/divmodsi4.asm: Likewise.
	* config/picochip/libgccExtras/longjmp.asm: Likewise.
	* config/picochip/libgccExtras/lshrsi3.asm: Likewise.
	* config/picochip/libgccExtras/lshrsi3.c: Likewise.
	* config/picochip/libgccExtras/parityhi2.asm: Likewise.
	* config/picochip/libgccExtras/popcounthi2.asm: Likewise.
	* config/picochip/libgccExtras/setjmp.asm: Likewise.
	* config/picochip/libgccExtras/subdi3.asm: Likewise.
	* config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
	* config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
	* config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
	* config/rs6000/750cl.h: Likewise.
	* config/rs6000/altivec.h: Likewise.
	* config/rs6000/biarch64.h: Likewise.
	* config/rs6000/crtresfpr.asm: Likewise.
	* config/rs6000/crtresgpr.asm: Likewise.
	* config/rs6000/crtresxfpr.asm: Likewise.
	* config/rs6000/crtresxgpr.asm: Likewise.
	* config/rs6000/crtsavfpr.asm: Likewise.
	* config/rs6000/crtsavgpr.asm: Likewise.
	* config/rs6000/darwin-asm.h: Likewise.
	* config/rs6000/darwin-fallback.c: Likewise.
	* config/rs6000/darwin-fpsave.asm: Likewise.
	* config/rs6000/darwin-ldouble.c: Likewise.
	* config/rs6000/darwin-tramp.asm: Likewise.
	* config/rs6000/darwin-unwind.h: Likewise.
	* config/rs6000/darwin-vecsave.asm: Likewise.
	* config/rs6000/darwin-world.asm: Likewise.
	* config/rs6000/e500crtres32gpr.asm: Likewise.
	* config/rs6000/e500crtres64gpr.asm: Likewise.
	* config/rs6000/e500crtres64gprctr.asm: Likewise.
	* config/rs6000/e500crtrest32gpr.asm: Likewise.
	* config/rs6000/e500crtrest64gpr.asm: Likewise.
	* config/rs6000/e500crtresx32gpr.asm: Likewise.
	* config/rs6000/e500crtresx64gpr.asm: Likewise.
	* config/rs6000/e500crtsav32gpr.asm: Likewise.
	* config/rs6000/e500crtsav64gpr.asm: Likewise.
	* config/rs6000/e500crtsav64gprctr.asm: Likewise.
	* config/rs6000/e500crtsavg32gpr.asm: Likewise.
	* config/rs6000/e500crtsavg64gpr.asm: Likewise.
	* config/rs6000/e500crtsavg64gprctr.asm: Likewise.
	* config/rs6000/eabi-ci.asm: Likewise.
	* config/rs6000/eabi-cn.asm: Likewise.
	* config/rs6000/eabi.asm: Likewise.
	* config/rs6000/linux-unwind.h: Likewise.
	* config/rs6000/linux64.h: Likewise.
	* config/rs6000/paired.h: Likewise.
	* config/rs6000/paired.md: Likewise.
	* config/rs6000/ppc64-fp.c: Likewise.
	* config/rs6000/ppu_intrinsics.h: Likewise.
	* config/rs6000/rs6000.h: Likewise.
	* config/rs6000/si2vmx.h: Likewise.
	* config/rs6000/sol-ci.asm: Likewise.
	* config/rs6000/sol-cn.asm: Likewise.
	* config/rs6000/spe.h: Likewise.
	* config/rs6000/spu2vmx.h: Likewise.
	* config/rs6000/sysv4.h: Likewise.
	* config/rs6000/tramp.asm: Likewise.
	* config/rs6000/vec_types.h: Likewise.
	* config/s390/linux-unwind.h: Likewise.
	* config/s390/tpf-unwind.h: Likewise.
	* config/score/crti.asm: Likewise.
	* config/score/crtn.asm: Likewise.
	* config/sh/crt1.asm: Likewise.
	* config/sh/crti.asm: Likewise.
	* config/sh/crtn.asm: Likewise.
	* config/sh/divtab-sh4-300.c: Likewise.
	* config/sh/divtab-sh4.c: Likewise.
	* config/sh/divtab.c: Likewise.
	* config/sh/lib1funcs-4-300.asm: Likewise.
	* config/sh/lib1funcs-Os-4-200.asm: Likewise.
	* config/sh/lib1funcs.asm: Likewise.
	* config/sh/lib1funcs.h: Likewise.
	* config/sh/linux-atomic.asm: Likewise.
	* config/sh/linux-unwind.h: Likewise.
	* config/sh/shmedia.h: Likewise.
	* config/sh/sshmedia.h: Likewise.
	* config/sh/ushmedia.h: Likewise.
	* config/sparc/crtfastmath.c: Likewise.
	* config/sparc/linux-unwind.h: Likewise.
	* config/sparc/sol2-c1.asm: Likewise.
	* config/sparc/sol2-ci.asm: Likewise.
	* config/sparc/sol2-cn.asm: Likewise.
	* config/spu/divmodti4.c: Likewise.
	* config/spu/divv2df3.c: Likewise.
	* config/spu/float_disf.c: Likewise.
	* config/spu/float_unsdidf.c: Likewise.
	* config/spu/float_unsdisf.c: Likewise.
	* config/spu/float_unssidf.c: Likewise.
	* config/spu/mfc_multi_tag_release.c: Likewise.
	* config/spu/mfc_multi_tag_reserve.c: Likewise.
	* config/spu/mfc_tag_release.c: Likewise.
	* config/spu/mfc_tag_reserve.c: Likewise.
	* config/spu/mfc_tag_table.c: Likewise.
	* config/spu/multi3.c: Likewise.
	* config/spu/spu_internals.h: Likewise.
	* config/spu/spu_intrinsics.h: Likewise.
	* config/spu/spu_mfcio.h: Likewise.
	* config/spu/vec_types.h: Likewise.
	* config/spu/vmx2spu.h: Likewise.
	* config/stormy16/stormy16-lib2.c: Likewise.
	* config/svr4.h: Likewise.
	* config/sync.c: Likewise.
	* config/v850/lib1funcs.asm: Likewise.
	* config/vxlib-tls.c: Likewise.
	* config/vxlib.c: Likewise.
	* config/vxworks-dummy.h: Likewise.
	* config/xtensa/crti.asm: Likewise.
	* config/xtensa/crtn.asm: Likewise.
	* config/xtensa/ieee754-df.S: Likewise.
	* config/xtensa/ieee754-sf.S: Likewise.
	* config/xtensa/lib1funcs.asm: Likewise.
	* config/xtensa/lib2funcs.S: Likewise.
	* config/xtensa/linux-unwind.h: Likewise.
	* config/xtensa/unwind-dw2-xtensa.c: Likewise.
	* config/xtensa/unwind-dw2-xtensa.h: Likewise.
	* coretypes.h: Likewise.
	* crtstuff.c: Likewise.
	* defaults.h: Likewise.
	* dwarf2.h: Likewise.
	* emutls.c: Likewise.
	* gbl-ctors.h: Likewise.
	* gcov-io.h: Likewise.
	* ginclude/float.h: Likewise.
	* ginclude/iso646.h: Likewise.
	* ginclude/stdarg.h: Likewise.
	* ginclude/stdbool.h: Likewise.
	* ginclude/stddef.h: Likewise.
	* ginclude/stdfix.h: Likewise.
	* ginclude/tgmath.h: Likewise.
	* gthr-aix.h: Likewise.
	* gthr-dce.h: Likewise.
	* gthr-gnat.c: Likewise.
	* gthr-gnat.h: Likewise.
	* gthr-lynx.h: Likewise.
	* gthr-mipssde.h: Likewise.
	* gthr-nks.h: Likewise.
	* gthr-posix.c: Likewise.
	* gthr-posix.h: Likewise.
	* gthr-posix95.h: Likewise.
	* gthr-rtems.h: Likewise.
	* gthr-single.h: Likewise.
	* gthr-solaris.h: Likewise.
	* gthr-tpf.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr-win32.h: Likewise.
	* gthr.h: Likewise.
	* libgcc2.c: Likewise.
	* libgcc2.h: Likewise.
	* libgcov.c: Likewise.
	* tsystem.h: Likewise.
	* typeclass.h: Likewise.
	* unwind-c.c: Likewise.
	* unwind-compat.h: Likewise.
	* unwind-dw2-fde-compat.c: Likewise.
	* unwind-dw2-fde-darwin.c: Likewise.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2-fde.c: Likewise.
	* unwind-dw2-fde.h: Likewise.
	* unwind-dw2.c: Likewise.
	* unwind-dw2.h: Likewise.
	* unwind-generic.h: Likewise.
	* unwind-pe.h: Likewise.
	* unwind-sjlj.c: Likewise.
	* unwind.inc: Likewise.
	* config/arm/neon-gen.ml: Change generated copyright header to
	refer to version 3 of the GNU General Public License with
	version 3.1 of the GCC Runtime Library Exception and to point
	readers at the COPYING3 and COPYING3.RUNTIME files and the
	FSF's license web page.
	* config/arm/arm_neon.h: Regenerate.

2009-04-09  Jakub Jelinek  <jakub@redhat.com>

	* config/cris/cris.md: Change copyright header to refer to version
	3 of the GNU General Public License.
	* doc/install.texi2html: Change copyright header to refer to version
	3 of the GNU General Public License and to point readers at the
	COPYING3 file and the FSF's license web page.

2009-04-08  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (class_scope_p): New static inline.
	(class_or_namespace_scope_p): Use it.
	(gen_variable_die): Use DW_TAG_member tag for static data member
	declarations instead of DW_TAG_variable.

	PR middle-end/39573
	* omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
	variables.

2009-04-08  David Ayers  <ayers@fsfe.org>

	PR objc/27377
	* c-typeck.c (build_conditional_expr): Emit ObjC warnings
	by calling objc_compare_types and surpress warnings about
	incompatible C pointers that are compatible ObjC pointers.

2009-04-07  Alan Modra  <amodra@bigpond.net.au>

	PR target/39634
	* config.gcc (powerpc-*-linux*): Include soft-fp/t-softfp after
	rs6000/t-linux64.

2009-04-04  Richard Earnshaw  <rearnsha@arm.com>

	PR target/39501
	* arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
	* testsuite/gcc.c-torture/execute/pr39501.c: New file.
	* testsuite/gcc.c-torture/execute/pr39501.x: New file.

2009-04-04  Jakub Jelinek  <jakub@redhat.com>

	* unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
	* unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
	instead of REG_UNSAVED for DW_CFA_undefined.
	(uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
	(uw_update_context): If RA column is REG_UNDEFINED, mark it as
	outermost frame.

2009-04-02  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39595
	* tree-vect-analyze.c (vect_build_slp_tree): Check that the size of
	interleaved loads group is not greater than the SLP group size.

2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/39588
	* combine.c (merge_outer_ops): Do not set the constant when this
	is not necessary.
	(simplify_shift_const_1): Do not modify it either in this case.

2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>

	* config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
	tuning is deprecated if -mtune value is set to an Itanium1 variant.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR target/39226
	* config/rs6000/rs6000.md (andsi3_internal5_nomc,
	anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
	(booldi3_internal3): Use boolean_or_operator instead of
	boolean_operator.

	PR c/37772
	* c-parser.c (c_parser_asm_statement): Skip until close paren and
	return if c_parser_asm_string_literal returned NULL.

2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
	    Andrey Galkin <agalkin@hypercom.com>

	PR/39492
	* config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
	Make object_name unique for each process.

2009-04-01  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (avr_override_options): Inform user that
	-mno-tablejump option is deprecated.
	* doc/invoke.texi (AVR Options): Update -mno-tablejump.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR other/39591
	* omp-low.c (remove_exit_barrier): Don't optimize if there are any
	addressable variables in the parallel that could go out of scope while
	running queued tasks.

2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (-floop-interchange, -floop-strip-mine,
	-floop-block): Document dependences on PPL, CLooG and Graphite.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

	PR debug/39563
	* c-decl.c (struct c_binding): Add locus field.
	(bind): Add locus argument, set locus field from it.
	(pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
	add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
	(push_file_scope, pushtag, pushdecl, pushdecl_top_level,
	implicitly_declare, undeclared_variable, lookup_label,
	declare_label, c_make_fname_decl, c_builtin_function,
	c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
	bind callers.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

	Revert

	2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
	* c-common.c (pointer_int_sum): Use %wd on return from
	tree_low_cst.

	2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
	* c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
	on return from tree_low_cst.

	2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
	PR c++/35652
	* builtins.h (c_strlen): Do not warn here.
	* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
	* c-common.c (pointer_int_sum): Take an explicit location.
	Warn about offsets out of bounds.
	* c-common.h (pointer_int_sum): Adjust declaration.

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline:
	2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39545
	* config/i386/i386.c (classify_argument): Ignore flexible array
	member in struct and warn ABI change.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

	* doc/invoke.texi, doc/standards.texi: Refer to
	gcc-4.4/c99status.html.

2009-03-28  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
	atmega8m1 devices.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)

2009-03-28  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
	following vector keyword has expansion starting with pixel or bool
	keyword, expand vector to __vector and pixel or bool to __pixel or
	__bool.

	PR c++/39554
	* opts.c (warning_disallowed_functions, warn_disallowed_functions,
	warn_if_disallowed_function_p): Removed.
	(common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
	* c-parser.c (c_parser_postfix_expression_after_primary): Don't call
	warning_if_disallowed_function_p.
	* flags.h (warn_if_disallowed_function_p,
	warn_disallowed_functions): Removed.
	* common.opt (Wdisallowed-function-list=): Removed.
	* doc/invoke.texi (-Wdisallowed-function-list=): Removed.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/38034
	* config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
	gr_register_operand with gr_reg_or_0_operand.
	(cmpxchg_rel_di): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.

2009-03-27  Dodji Seketeli  <dodji@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR debug/37959
	* dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
	(gen_subprogram_die): When a function is explicit, generate the
	DW_AT_explicit attribute.
	* langhooks.h (struct lang_hooks_for_decls): Add
	function_decl_explicit_p langhook.
	* langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
	(LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.

2009-03-27  Jakub Jelinek  <jakub@redhat.com>

	* builtins.c (fold_builtin_memory_op): Optimize memmove
	into memcpy if we can prove source and destination don't overlap.

	* tree-inline.c: Include gt-tree-inline.h.
	(clone_fn_id_num): New variable.
	(clone_function_name): New function.
	(tree_function_versioning): Use it.
	* Makefile.in (GTFILES): Add tree-inline.c.

2009-03-27  Mark Mitchell  <mark@codesourcery.com>

	* DEV-PHASE: Mark "prerelease".

2009-03-27  Xinliang David Li  <davidxl@google.com>

	PR tree-optimization/39557
	* tree-ssa.c (warn_uninitialized_vars): free postdom info.

2009-03-27  Xinliang David Li  <davidxl@google.com>

	PR tree-optimization/39548
	* tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
	candidate check.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* c-common.c (pointer_int_sum): Use %wd on return from
	tree_low_cst.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
	on return from tree_low_cst.

2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR c++/36799
	* ginclude/stdarg.h (va_copy): Define also for
	__GXX_EXPERIMENTAL_CXX0X__.

2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/35652
	* builtins.h (c_strlen): Do not warn here.
	* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
	* c-common.c (pointer_int_sum): Take an explicit location.
	Warn about offsets out of bounds.
	* c-common.h (pointer_int_sum): Adjust declaration.

2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
	markup glitch.

2009-03-26  Jakub Jelinek  <jakub@redhat.com>

	PR c++/39554
	* opts.c (warn_if_disallowed_function_p): Don't assume
	get_callee_fndecl must return non-NULL.

2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/39522
	* reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
	when reg_reloaded_valid is set.

2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/divv2df3.c: New file.
	* config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
	(DPBIT_FUNCS): Filter out _div_df.

2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
	a jump insn, count that jump in the distance to the loop start.

2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/39523
	* config/sh/sh.c (calc_live_regs): Fix condition for global
	registers except PIC_OFFSET_TABLE_REGNUM.

2009-03-25  Kai Tietz  <kai.tietz@onevision.com>

	PR/39518
	* doc/invoke.texi (-mconsole): New.
	(-mcygwin): New.
	(-mno-cygwin): New.
	(-mdll): New.
	(-mnop-fun-dllimport): New.
	(-mthread): New.
	(-mwin32): New.
	(-mwindows): New.
	(sub section "i386 and x86-64 Windows Options"): New.

2009-03-25  Ralf Corsépius <ralf.corsepius@rtems.org>

	* config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
	* config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.

2009-03-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39497
	* Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
	of -Wno-error.

2009-03-25  Andrey Belevantsev  <abel@ispras.ru>

	* config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
	neither of haifa/selective schedulers are working.

2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Debugging Options): Fix description of
	-fno-merge-debug-strings.

2009-03-24  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/libgcc.ver: New version-script.
	* config/cris/t-linux (SHLIB_MAPFILES): Use it.

	* configure.ac <GAS features, nop mnemonic>: Add pattern
	crisv32-*-* for "nop".
	<GAS features, Thread-local storage>: Add item for CRIS and
	CRIS v32.
	* configure: Regenerate.

2009-03-24  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39529
	* tree-vect-transform.c (vect_create_data_ref_ptr): Call
	mark_sym_for_renaming for the tag copied to the new vector
	pointer.

2009-03-24  Arthur Loiret  <aloiret@debian.org>

	* config.host (alpha*-*-linux*): Use driver-alpha.o and
	alpha/x-alpha.
	* config/alpha/linux.h (host_detect_local_cpu): Declare, add to
	EXTRA_SPEC_FUNCTIONS.
	(MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
	* config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
	* doc/invoke.texi (DEC Alpha Options): Document 'native' value for
	-march and -mtune options.

2009-03-24  Ralf Corsépius <ralf.corsepius@rtems.org>

	* config/m68k/t-rtems: Add m5329 multilib.

2009-03-24  Dodji Seketeli  <dodji@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR debug/39524
	* dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
	nodes.

2009-03-23  Jakub Jelinek  <jakub@redhat.com>

	PR c/39495
	* c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
	instead of c_parser_expression_conv, if original_code isn't one of the
	4 allowed comparison codes, fail.

2009-03-23  Richard Guenther  <rguenther@suse.de>

	* cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
	* tree.h (struct tree_type): Likewise.
	* reload.h (struct insn_chain): Likewise.
	* dwarf2out.c (struct dw_loc_descr_struct): Likewise.
	* function.h (struct function): Likewise.
	* tree-ssa-structalias.c (struct equiv_class_label): Likewise.

2009-03-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/39516
	* lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.

2009-03-23 Bingfeng Mei  <bmei@broadcom.com>

	* config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
	should be set true if BITS_PER_WORD of target is bigger than 32

2009-03-22  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
	Translate -B-options to -rpath-link.  Correct existing
	rpath-link and conditionalize on !nostdlib.

2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/extend.texi (Function Attributes, Variable Attributes):
	Fix typos.
	* doc/invoke.texi (Debugging Options, Optimize Options)
	(i386 and x86-64 Options, MCore Options): Likewise.

2009-03-20  Jakub Jelinek  <jakub@redhat.com>

	PR debug/37890
	* dwarf2out.c (gen_namespace_die): Add context_die argument and use
	it for block local namespace aliases.
	(gen_decl_die): Pass context_die to gen_namespace_die.

2009-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR c/39495
	* c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
	minimum or maximum value.

2009-03-19  Alexandre Oliva  <aoliva@redhat.com>

	* reginfo.c (globalize_reg): Recompute derived reg sets.

2009-03-19  Ozkan Sezer <sezeroz@gmail.com>

	PR target/39063
	* libgcc2.c (mprotect): Do not use signed arguments for
	VirtualProtect, use DWORD arguments.  Also fix the 'may
	be used uninitialized' warning for the np variable.

2009-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/39496
	* config/i386/i386.c (ix86_function_regparm): Don't optimize local
	functions using regparm calling conventions when not optimizing.
	(ix86_function_sseregparm): Similarly for sseregparm calling
	conventions.

2009-03-19  Li Feng  <nemokingdom@gmail.com>

	PR middle-end/39500
	* tree-data-ref.c (analyze_subscript_affine_affine): There is no
	dependence if the first conflict is after niter iterations.

2009-03-19  Hans-Peter Nilsson  <hp@axis.com>

	PR middle-end/38609
	* config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
	functions with dynamic stack-pointer adjustments.

2009-03-19  Ben Elliston  <bje@au.ibm.com>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
	option; change to -msdata=data.

2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
	and -fopenmp.

2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/35180
	* config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.

2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Code Gen Options): Expand discussion of
	-fno-common.

2009-03-18  Jakub Jelinek  <jakub@redhat.com>

	* dse.c (struct group_info): Reorder fields for 64-bit hosts.
	* matrix-reorg.c (struct matrix_info): Likewise.
	* tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
	* rtl.h (struct mem_attrs): Likewise.
	* df.h (struct df): Likewise.
	* tree-data-ref.h (struct data_dependence_relation): Likewise.
	* ira-int.h (struct ira_allocno): Likewise.
	* df-scan.c (struct df_collection_rec): Likewise.
	* ira.c (struct equivalence): Likewise.
	* function.c (struct temp_slot): Likewise.
	* cfgloop.h (struct loop): Likewise.

	PR debug/39485
	* function.c (use_register_for_decl): When not optimizing, disregard
	register keyword for variables with types containing methods.

2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/39447
	* graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
	(is_simple_operand): Call contains_component_ref_p before calling data
	reference analysis that would fail on COMPONENT_REFs.

	* tree-vrp.c (search_for_addr_array): Fix formatting.

2009-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-vect-transform.c (vect_loop_versioning): Fold the
	generated comparisons.
	* tree-vectorizer.c (set_prologue_iterations): Likewise.
	(slpeel_tree_peel_loop_to_edge): Likewise.

2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR middle-end/37805
	* opts.c (print_specific_help): In addition to `undocumented',
	accept `separate' and `joined' flags if passed alone.  Describe
	output by the first matched one of those.
	(common_handle_option): Skip over empty strings.
	* gcc.c (display_help): Fix help string for `--help='.
	* doc/invoke.texi (Option Summary, Overall Options): With
	`--help=', classes and qualifiers can both be repeated, but
	only the latter can be negated.  One should not pass only
	negated qualifiers.  Fix markup and examples.

	Revert
	2008-10-14  Jakub Jelinek  <jakub@redhat.com>
	PR middle-end/37805
	* opts.c (common_handle_option): Don't ICE on -fhelp=joined
	and -fhelp=separate.

2009-03-17  Jing Yu  <jingyu@google.com>

	PR middle-end/39378
	* function.h (struct rtl_data): Move is_thunk from here...
	(struct function): ...to here.
	* cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
	* varasm.c (assemble_start_function): Change is_thunk from crtl to
	cfun.
	* config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
	cfun.
	(alpha_does_function_need_gp, alpha_start_function): Likewise.
	(alpha_output_function_end_prologue): Likewise.
	(alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
	* config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
	(rs6000_output_function_epilogue): Likewise.
	* config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.

2009-03-17  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39482
	* config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
	from different units in a single alternative.
	(*truncdfsf_i387): Ditto.
	(*truncxfsf2_mixed): Ditto.
	(*truncxfdf2_mixed): Ditto.

2009-03-17  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
	non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.

	PR debug/39474
	* tree-ssa-live.c (remove_unused_locals): Don't remove local
	unused non-artificial variables when not optimizing.

	PR debug/39471
	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
	DW_TAG_imported_module even if decl is IMPORTED_DECL with
	NAMESPACE_DECL in its DECL_INITIAL.

	PR middle-end/39443
	* optabs.c (set_user_assembler_libfunc): New function.
	* expr.h (set_user_assembler_libfunc): New prototype.
	* c-common.c: Include libfuncs.h.
	(set_builtin_user_assembler_name): Call set_user_assembler_libfunc
	for memcmp, memset, memcpy, memmove and abort.
	* Makefile.in (c-common.o): Depend on libfuncs.h.

	PR debug/39412
	* dwarf2out.c (gen_inlined_enumeration_type_die,
	gen_inlined_structure_type_die, gen_inlined_union_type_die,
	gen_tagged_type_instantiation_die): Removed.
	(gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
	do nothing.

2009-03-17  Janis Johnson  <janis187@us.ibm.com>

	PR testsuite/38526
	* Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
	its use.
	(check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
	(check-parallel-%): Ditto.
	(check-consistency): Ditto.

2009-03-17  Kai Tietz  <kai.tietz@onevision.com>

	* ipa-struct-reorg.c (create_general_new_stmt): Initialize
	local variable rhs by NULL_TREE.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39477
	* doc/extend.texi: Correct register behavior for regparm on Intel 386.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39476
	* config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39473
	* config/i386/i386.c (ix86_expand_call): Check extra clobbers
	for ms->sysv ABI calls only in 64bit mode.

	* config/i386/i386.md (untyped_call): Support 32bit.

2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/extend.texi: Replace x86_65 with x86_64.

2009-03-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/39455
	* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
	mismatches for POINTER_TYPE_P (type).
	(number_of_iterations_le): Likewise.

2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>

	* config/picochip/picochip.c: Removed profiling support.
	* config/picochip/picochip.md: Removed profiling instruction.
	* config/picochip/picochip.h: Removed profiling builtin.

2009-03-16  Joseph Myers  <joseph@codesourcery.com>

	* doc/install.texi (--with-host-libstdcxx): Document.

2009-03-14  Anatoly Sokolov  <aesok@post.ru>

	PR target/34299
	* config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
	generate a warning if the function name does not begin with
	"__vector" and the function has either the 'signal' or 'interrupt'
	attribute, from here to ...
	(avr_declare_function_name): ...here. New function.
	* config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
	* config/avr/avr-protos.h (avr_declare_function_name): Declare.

2009-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/39454
	* cse.c (fold_rtx): Don't modify original const_arg1 when
	canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
	separate variable instead.
	* rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
	from out of range shift counts.
	(num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.

2008-03-13  Catherine Moore  <clm@codesourcery.com>

	* gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
	diagnostic.h with $(DIAGNOSTIC_H).

2008-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/39431
	* config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
	predicate.
	* config/i386/sync.md (sync_compare_and_swap<mode>,
	sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
	if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
	into a register.
	(sync_double_compare_and_swapdi_pic,
	sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
	cmpxchg8b_pic_memory_operand instead of just memory_operand.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39445
	* config/i386/i386.c (ix86_expand_push): Don't set memory alignment.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39327
	* config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
	(avx_addsubv4df3): Likewise.
	(*avx_addsubv4sf3): Likewise.
	(sse3_addsubv4sf3): Likewise.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38824
	* config/i386/i386.md: Compare REGNO on the new peephole2 patterns.

2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>

	PR debug/39432
	* ira-int.h (struct allocno): Fix comment for calls_crossed_num.
	* ira-conflicts.c (ira_build_conflicts): Prohibit call used
	registers for allocnos created from user-defined variables.

2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR target/39181
	* config/spu/spu.c (spu_expand_mov): Handle invalid subregs
	of non-integer mode as well.

2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>

	* gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
	for functions for which the parameter types are unknown.

2009-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR target/39137
	* cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
	* defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
	* config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
	* config/i386/i386.c (ix86_local_alignment): For
	-m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
	long long variables on the stack to avoid dynamic realignment.
	Allow the first argument to be a decl rather than type.
	* doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.

2009-03-11  Nick Clifton  <nickc@redhat.com>

	PR target/5362
	* config/mcore/mcore.opt: Remove deprecated m4align and m8align
	options.
	Add description to mno-lsim option.
	* config/mcore/mcore.h: Remove comment about deprecated m4align
	option.
	(TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
	* doc/invoke.texi: Add description of mno-lsim and
	mstack-increment options.

	* config/fr30/fr30.opt: Document the -mno-lsim option.
	* doc/invoke.texi: Add descriptions of the FR30's -msmall-model
	and -mno-lsim options.

2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* fold-const.c (fold_comparison): Only call fold_inf_compare
	if the mode supports infinities.

2009-03-11  Jason Merrill  <jason@redhat.com>

	PR debug/39086
	* tree-nrv.c (tree_nrv): Don't do this optimization if the front
	end already did.  Notice GIMPLE_CALL modifications of the result.
	Don't copy debug information from an ignored decl or a decl from
	another function.

2009-03-10  Richard Guenther  <rguenther@suse.de>
	    Nathan Froyd  <froydnj@codesourcery.com>

	PR middle-end/37850
	* libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
	(__divMODE3): Likewise.

2009-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/39394
	* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
	DECL_SIZE_UNIT of variable length FIELD_DECLs.

2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* recog.c (verfiy_changes): Disallow renaming of hard regs in
	inline asms for register asm ("") declarations.

2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_unary): Fix comment.

2009-03-07  Jan Hubicka  <jh@suse.cz>

	PR target/39361
	* tree-inline.c (setup_one_parameter): Do replacement of const
	argument by constant in SSA form.

2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR middle-end/38028
	* function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
	determine alignment passed to assign_stack_local.
	(assign_parms_unsplit_complex): Likewise.
	* except.c (sjlj_build_landing_pads): Likewise.

2009-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39360
	* tree-flow.h (add_referenced_var): Return bool instead of void.
	* tree-dfa.c (add_referenced_var): Return result of
	referenced_var_check_and_insert call.
	* tree-inline.c (expand_call_inline): Call add_referenced_var instead
	of referenced_var_check_and_insert.

	PR debug/39372
	* dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
	(gen_variable_die): Emit DW_AT_location on abstract static variable's
	DIE, don't emit it if abstract origin already has it.
	* tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
	BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.

2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

	* genpreds.c: (needs_variable): Fix parentheses at variable name
	detection.
	(write_tm_constrs_h): Indent generated code.

2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* doc/extend.texi (Function Attributes): Add documentation
	for isr attributes.

2009-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR debug/39387
	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
	take locus from its DECL_SOURCE_LOCATION instead of input_location.

2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
	the loop as bad.

2009-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR debug/39379
	* tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
	with blocks containing IMPORTED_DECLs in BLOCK_VARS.

2009-03-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (R8_REG, R9_REG): New constants.
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
	constants instead of magic numbers.
	(HARD_REGNO_CALLER_SAVE_MODE): Ditto.
	(QI_REG_P): Ditto.
	* config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
	(x86_64_ms_abi_int_parameter_registers): Ditto.
	(x86_64_int_return_registers): Ditto.
	(ix86_maybe_switch_abi): Ditto.
	(ix86_expand_call): Ditto for clobbered_registers array.
	(ix86_hard_regno_mode_ok): Ditto.
	(x86_extended_QIreg_mentioned_p): Ditto.

2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>

	PR tree-optimization/39349
	* cse.c (cse_insn): Fix loop to stop at VOIDmode.

	* combine.c (gen_lowpart_for_combine): Use omode when generating
	clobber.

2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>

	PR rtl-optimization/39235
	* loop-iv.c (get_simple_loop_desc): Use XCNEW.

2009-03-04  Zdenek Dvorak  <ook@ucw.cz>

	* graphite.c (nb_reductions_in_loop): Update simple_iv arguments.

2009-03-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39362
	* tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
	that occur in abnormal PHIs should be varying.

2009-03-04  Zdenek Dvorak  <ook@ucw.cz>

	* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
	Extend comments.
	(simple_iv):  Take loop as an argument instead of statement.
	* tree-scalar-evolution.h (simple_iv): Declaration changed.
	* tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
	to simple_iv.
	* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
	Ditto.
	* tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
	* matrix-reorg.c (analyze_transpose): Ditto.
	* tree-data-ref.c (dr_analyze_innermost): Ditto.
	* tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
	* tree-predcom.c (ref_at_iteration): Ditto.
	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.

2009-03-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39358
	* tree-ssa-structalias.c (do_sd_constraint): Fix check for
	escaped_id and callused_id.
	(solve_graph): Likewise.

2009-03-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39339
	* tree-sra.c (try_instantiate_multiple_fields): Make it
	no longer ICE on the above.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

	* crtstuff.c (__dso_handle): Add const.

	* gcc.c (execute, retry_ice): Shut up -Wcast-qual warnings.

2009-03-03  Joseph Myers  <joseph@codesourcery.com>

	* emit-rtl.c (adjust_address_1): Reduce offset to a signed value
	that fits within Pmode.

2009-03-03  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/10109
	* tm.texi (LIBCALL_VALUE): Update description.

2009-03-03  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/34443
	* doc/extend.texi (section): Update description.

2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/39345
	* tree-inline.c (remapped_type): New.
	(can_be_nonlocal): Call remapped_type instead of remap_type.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/39354
	* gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
	TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.

2009-03-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39272
	* tree.c (tree_nonartificial_location): New function.
	* tree.h (tree_nonartificial_location): Declare.
	* builtins.c (expand_builtin_memory_chk): Provide location
	of the call location for artificial function pieces.
	(maybe_emit_chk_warning): Likewise.
	(maybe_emit_sprintf_chk_warning): Likewise.
	(maybe_emit_free_warning): Likewise.
	* expr.c (expand_expr_real_1): Likewise.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/39343
	* tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
	COMPONENT_REF t has ARRAY_TYPE.

2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/39335
	* tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
	when the type precision of the induction variable should be
	larger than the type precision of nit.
	(gen_parallel_loop): Update use of canonicalize_loop_ivs.
	* graphite.c (graphite_loop_normal_form): Same.
	* tree-flow.h (canonicalize_loop_ivs): Update declaration.

2009-03-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (ST?_REG, MM?_REG): New constants.
	(*call_1_rex64_ms_sysv): Use named constants instead of magic
	numbers to describe clobbered registers.
	(*call_value_0_rex64_ms_sysv): Ditto.
	* config/i386/mmx.md (mmx_emms): Ditto.
	(mmx_femms): Ditto.

2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
	of ABI_64.

2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
	(spu_section_type_flags): New function.

2009-03-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
	reg_class_contents of FLOAT_REGS into a temporary.

2009-03-02  Richard Guenther  <rguenther@suse.de>
	    Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39318
	* tree-vect-transform.c (vectorizable_call): Transfer the EH region
	information to the vectorized statement.

2009-03-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
	variable.  Use defined names instead of magic constants for REX SSE
	registers.

2009-03-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39331
	* omp-low.c (lower_send_shared_vars): Do not receive new
	values for the reference of DECL_BY_REFERENCE parms or results.

2009-03-01  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
	BLOCK_NONLOCALIZED_VAR): New macros.
	(tree_block): Add nonlocalized_vars.
	* dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
	gen_decl_die): Add origin argument.  Allow generation of die with
	origin at hand only.
	(gen_member_die, gen_type_die_with_usage, force_decl_die,
	declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
	of gen_*.
	(gen_block_die): Fix checking for unused blocks.
	(process_scope_var): Break out from .... ; work with origins only.
	(decls_for_scope) ... here; process nonlocalized list.
	(dwarf2out_ignore_block): Look for nonlocalized vars.
	* tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
	vars.
	(dump_scope_block): Dump them.
	* tree-inline.c (remap_decls): Handle nonlocalized vars.
	(remap_block): Likewise.
	(can_be_nonlocal): New predicate.
	(copy_bind_expr, copy_gimple_bind): Update use of remap_block.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* optc-gen.awk: No need to duplicate option flags twice.
	Reuse help texts for duplicate options which do not have any.

	* gcc.c (display_help): Document --version.

	* gcc.c (main): If print_help_list and verbose_flag, ensure
	driver output comes before subprocess output.

	* optc-gen.awk: Assign all remaining fields to help string,
	space-separated, for multi-line help in *.opt.

	* doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
	-Wno-pedantic-ms-format is for MinGW targets only.

	* doc/options.texi (Option file format): Fix bad indentation,
	restoring dropped sentence.

2009-02-28  Jan Hubicka  <jh@suse.cz>

	* tree-inline.c (tree_function_versioning): Output debug info.

2009-02-28  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* tree-inline.c (setup_one_parameter): Do not copy propagate
	arguments when not optimizing.

2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39327
	* config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
	(avx_addsubv4df3): Likewise.
	(*avx_addsubv4sf3): Likewise.
	(sse3_addsubv4sf3): Likewise.
	(*avx_addsubv2df3): Likewise.
	(sse3_addsubv2df3): Likewise.
	(avx_unpckhps256): Correct item selectors.
	(avx_unpcklps256): Likewise.
	(avx_unpckhpd256): Likewise.
	(avx_unpcklpd256): Likewise.

2009-02-28  Jan Hubicka  <jh@suse.cz>

	* tree-inline.c (expand_call_inline): Avoid duplicate declarations of
	static vars.
	(copy_arguments_for_versioning): If var is declared don't declare it.
	(tree_function_versioning): First setup substitutions and then copy
	args.

2009-02-27  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* cgraph.h (varpool_output_debug_info): Remove.
	* cgraphunit.c (varpool_output_debug_info): Remove.
	* dwarf2out.c (deferred_locations_struct): New struct
	(deferred_locations): New type.
	(deferred_locations_list): New static var.
	(deffer_location): New function.
	(gen_variable_die): Use it.
	(decls_for_scope): Output info on local static vars.
	(dwarf2out_finish): Process deferred locations.
	* varpool.c (varpool_output_debug_info): Remove.

2009-02-27  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* tree.h (TREE_PROTECTED): Fix comment.
	(BLOCK_HANDLER_BLOCK): Remove.
	(struct tree_block): Remove handler_block add body_block.
	(inlined_function_outer_scope_p): New.
	(is_body_block): Remove.
	* dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
	* dwarf2out.c (is_inlined_entry_point): Remove.
	(add_high_low_attributes): Use inlined_function_outer_scope_p.
	(gen_block_die): Use is_inlined_entry_point check.  Remove body block
	code.
	* langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
	* gimplify.c (gimplify_expr): Gimplify body blocks.
	* tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
	block with multiple subblocks.
	(dump_scope_block): Prettier output; dump more flags and info.
	(dump_scope_blocks): New.
	(remove_unused_locals): Use dump_scope_blocks.
	* tree-flow.h (dump_scope_blocks): Declare.
	* tree-cfg.c (execute_build_cfg): Dump scope blocks.
	* stmt.c (is_body_block): Remove.
	* tree-inline.c (remap_block): Copy BODY_BLOCK info.
	* langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.

2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/39308
	* graphite.c (graphite_loop_normal_form): Do not call
	number_of_iterations_exit from a gcc_assert.

2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
	jumps if COND is NULL.
	(find_cond_jump): New function.
	(s390_z10_optimize_cmp): Handling for reg-reg compares added.
	* gcc/config/s390/s390.md: Remove z10_cobra attribute value.

2009-02-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.h (alpha_expand_mov): Return false if
	force_const_mem returns NULL_RTX.

2009-02-26  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* cgraph.h (varpool_output_debug_info): Remove.
	* cgraphunit.c (varpool_output_debug_info): Remove.
	* dwarf2out.c (deferred_locations_struct): New struct
	(deferred_locations): New type.
	(deferred_locations_list): New static var.
	(deffer_location): New function.
	(gen_variable_die): Use it.
	(decls_for_scope): Output info on local static vars.
	(dwarf2out_finish): Process deferred locations.
	* varpool.c (varpool_output_debug_info): Remove.

2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>

	PR rtl-optimization/39241
	* jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
	to subreg_offset_representable_p.

2009-02-25  Paolo Bonzini  <bonzini@gnu.org>

	* regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
	execute function prototype.  Get f and nregs from max_reg_num
	and get_insns.  Remove the first backward pass as it's dead,
	guard the forward pass by flag_expensive_optimizations.
	(rest_of_handle_regmove): Delete.
	(pass_regmove): Replace it with regmove_optimize.

2009-02-25  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/39259
	* tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
	calls_alloca function flags.
	(copy_bb): Set calls_setjmp and alls_alloca function flags if such
	calls are detected.

2009-02-25  Paolo Bonzini  <bonzini@gnu.org>

	* regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
	flags_set_1_rtx, flags_set_1_set): Delete.
	(regmove_optimize): Do not call mark_flags_life_zones.

2009-02-24  Julian Brown  <julian@codesourcery.com>

	PR target/35965
	* config/arm/arm.c (require_pic_register): Only set
	cfun->machine->pic_reg once per function.

2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Link Options): Document an easier way to pass
	options that take arguments to the GNU linker using -Xlinker and -Wl.

2009-02-24  Steve Ellcey  <sje@cup.hp.com>

	PR target/33785
	* doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.

2009-02-24  Richard Guenther  <rguenther@suse.de>

	PR debug/39285
	* dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.

2009-02-24  Richard Guenther  <rguenther@suse.de>
	    Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/39233
	* tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
	from converting them to a generic type.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/39260
	* graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
	contains a condition with a real type.
	(build_scop_conditions_1): Conditions are always last_stmt of a bb.

2009-02-23  Jason Merrill  <jason@redhat.com>

	PR c++/38880
	* varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
	narrowing_initializer_constant_valid_p.
	(narrowing_initializer_constant_valid_p): Don't return
	null_pointer_node for adding a pointer to itself.

2009-02-23  Jan Hubicka  <jh@suse.cz>

	PR c/12245
	* ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
	resizing.

2009-02-23  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/37709
	* tree.c (block_ultimate_origin): Move here from dwarf2out.
	* tree.h (block_ultimate_origin): Declare.
	* dwarf2out.c (block_ultimate_origin): Move to tree.c
	* tree-ssa-live.c (remove_unused_scope_block_p):
	Eliminate blocks containig no instructions nor live variables nor
	nested blocks.
	(dump_scope_block): New function.
	(remove_unused_locals): Enable removal of dead blocks by default;
	enable dumping at TDF_DETAILS.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (classify_argument): Don't allow COImode
	and OImode.
	(function_arg_advance_32): Don't allow OImode.
	(function_arg_32): Likewise.
	(function_value_32): Likewise.
	(return_in_memory_32): Likewise.
	(function_arg_64): Remove OImode comment.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39261
	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
	ix86_expand_vector_set for V4DImode in 64bit mode only.
	(ix86_expand_vector_init_one_var): Likewise.

2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.c (graphite_trans_loop_block): Adjust tile size to 51.

2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>

	PR bootstrap/39257
	* loop-iv.c: Revert last change.
	* emit-rtl.c: Likewise.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39256
	* config/i386/i386.c (type_natural_mode): Remove an extra
	space in the warning message.
	(function_value_32): Handle 32-byte vector modes.
	(return_in_memory_32): Likewise.

2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>

	* loop-iv.c (truncate_value): New function.
	(iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
	of lowpart_subreg.
	(lowpart_subreg): Move to...
	* emit-rtl.c: ...here.

2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
	accidental and undocumented change at revision 140860.

2009-02-21  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
	take gimple_seq * arguments.
	(arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
	types_compatible_p langhook.

2009-02-20  Mark Mitchell  <mark@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_builtin_va_list): New function.
	(arm_expand_builtin_va_start): Likewise.
	(arm_gimplify_va_arg_expr): Likewise.
	(TARGET_BUILD_BUILTIN_VA_LIST): Define.
	(TARGET_BUILD_BUILTIN_VA_START): Likewise.
	(TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
	(va_list_type): New variable.
	(arm_mangle_type): Mangle va_list_type appropriately.

2009-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39157
	* Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
	* params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
	* params.def (loop-invariant-max-bbs-in-loop): New parameter.
	* opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
	parameter to 1000 for -O1 by default.
	* doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
	parameter.
	* loop-invariant.c: Include params.h.
	(move_loop_invariants): Don't call move_single_loop_invariants on
	very large loops.

2009-02-20  Jaka Mocnik  <jaka@xlab.si>

	* calls.c (emit_library_call_value_1): Use slot_offset instead of
	offset when calculating bounds for indexing stack_usage_map.  Fixes
	a buffer overflow with certain target setups.

2009-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/39240
	* calls.c (expand_call): Clear try_tail_call if caller and callee
	disagree in promotion of function return value.

2009-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/39175
	* c-common.c (c_determine_visibility): If visibility changed and
	DECL_RTL has been already set, call make_decl_rtl to update symbol
	flags.

2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR c++/39188
	* varasm.c (assemble_variable): Don't check DECL_NAME when
	globalizing a variable.

2009-02-19  Joseph Myers  <joseph@codesourcery.com>

	PR c/38483
	* builtins.c (gimplify_va_arg_expr): Evaluate the va_list
	expression before any __builtin_trap call.
	* c-typeck.c (build_function_call): Convert and check function
	arguments before generating a call to a trap.  Evaluate the
	function arguments before the trap.

2009-02-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39228
	* config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
	(UNSPEC_FXAM_MEM): New unspec.
	(fxam<mode>2_i387_with_temp): New insn and split pattern.
	(isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
	memory using fxam<mode>2_i387_with_temp to remove excess precision.

2009-02-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39207
	PR tree-optimization/39074
	* tree-ssa-structalias.c (storedanything_id, var_storedanything,
	storedanything_tree): New.
	(do_ds_constraint): Simplify ANYTHING shortcutting.  Update
	the STOREDANYTHING solution if the lhs solution contains ANYTHING.
	(build_succ_graph): Add edges from STOREDANYTHING to all
	non-direct nodes.
	(init_base_vars): Initialize STOREDANYTHING.
	(compute_points_to_sets): Free substitution info after
	building the succ graph.
	(ipa_pta_execute): Likewise.

	* tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
	field.
	(do_ds_constraint): Do not add to special var or non-pointer
	field solutions.
	(type_could_have_pointers): Split out from ...
	(could_have_pointers): ... here.  For arrays use the element type.
	(create_variable_info_for): Initialize may_have_pointers.
	(new_var_info): Likewise.
	(handle_lhs_call): Make the HEAP variable unknown-sized.
	(intra_create_variable_infos): Use a type with pointers for
	PARM_NOALIAS, make it unknown-sized.

2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39224
	* config/i386/i386.c (ix86_return_in_memory): Properly check ABI.

2009-02-18  Jason Merrill  <jason@redhat.com>

	PR target/39179
	* tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
	value if DECL_EXTERNAL.
	* tree-sra.c (sra_walk_gimple_assign): Likewise.
	* target.h (gcc_target::binds_local_p): Clarify "module".
	* tree.h (TREE_PUBLIC): Clarify "module".

2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>

	PR target/38891
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
	initialization for MS_ABI prior to the hunk of !TARGET_MMX.

2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39082
	* c.opt (Wabi): Support C and ObjC.
	(Wpsabi): New.

	* c-opts.c (c_common_handle_option): Handle OPT_Wabi.

	* config/i386/i386.c (classify_argument): Warn once about the ABI
	change when passing union with long double.

	* doc/invoke.texi: Update -Wabi for warning psABI changes.

2009-02-18  Joseph Myers  <joseph@codesourcery.com>

	PR c/35447
	* c-parser.c (c_parser_compound_statement): Always enter and leave
	a scope.

2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/34587
	* config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.

2009-02-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/36922
	* tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
	* tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
	Likewise.

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
	to 0 for EABI64.

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (type): Reclassify lui_movf as "unknown".

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
	tree sharing.

2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
	* config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
	(loongson_biadd): ...this.

2009-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39202
	* tree-ssa-structalias.c (do_structure_copy): Before collapsing
	a var make sure to follow existing collapses.

2009-02-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39214
	* langhooks.c (lhd_print_error_function): Check for NULL block.

2009-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39204
	* tree-ssa-pre.c (phi_translate_1): Lookup the value-number
	of the PHI arg.

2009-02-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/soft-fp/double.h: Update from glibc CVS.

2009-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39207
	* tree-ssa-structalias.c (find_what_p_points_to): Do not emit
	strict-aliasing warnings for pointers pointing to NULL.

2009-02-16  Joseph Myers  <joseph@codesourcery.com>

	PR c/35446
	* c-parser.c (c_parser_braced_init): Call pop_init_level when
	skipping until next close brace.

2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/37049
	* config/i386/i386.c (ix86_expand_push): Set memory alignment
	to function argument boundary.

2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.md (lea_add): Allow any nonimmediate
	in the lea_add. Reload eventually constraints it properly.
	* config/picochip/constraints.md : Remove the target constraint
	"b", since it is not needed anymore.

2009-02-16  Jakub Jelinek  <jakub@redhat.com>

	* gthr-dce.h: Uglify function parameter and local variable names.
	* gthr-gnat.h: Likewise.
	* gthr-mipssde.h: Likewise.
	* gthr-nks.h: Likewise.
	* gthr-posix95.h: Likewise.
	* gthr-posix.h: Likewise.
	* gthr-rtems.h: Likewise.
	* gthr-single.h: Likewise.
	* gthr-solaris.h: Likewise.
	* gthr-tpf.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr-win32.h: Likewise.

2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39196
	* config/i386/i386.md: Restrict the new peephole2 to move
	between MMX/SSE registers.

2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
	spu_srqwbyte, spu_srqwbytebc): Define.
	* config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
	spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
	* config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
	"shrqby_<mode>"): New insn-and-split patterns.
	* config/spu/spu.c (expand_builtin_args): Determine and return
	number of operands using spu_builtin_description data.
	(spu_expand_builtin_1): Use it.

2009-02-13  Steve Ellcey  <sje@cup.hp.com>

	PR target/38056
	* config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
	TARGET_CONST_GP.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39149
	* config/i386/i386.c (override_options): Correct warning
	messages for -malign-loops, -malign-jumps and -malign-functions.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39152
	* config/i386/i386.md: Restrict the new peephole2 to move
	between the general purpose registers.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39162
	* config/i386/i386.c (type_natural_mode): Add a new argument.
	Return the original mode and warn ABI change if vector size is 32byte.
	(function_arg_advance): Updated.
	(function_arg): Likewise.
	(ix86_function_value): Likewise.
	(ix86_return_in_memory): Likewise.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_gimplify_va_arg): Likewise.
	(function_arg_32): Don't warn ABX ABI change here.
	(function_arg_64): Likewise.

2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>

	* loop-iv.c (implies_p): In the final case, test that operands 0
	of the two comparisons match.

	* config/bfin/bfin.c (find_prev_insn_start): New function.
	(bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
	(find_next_insn_start): Move.

2009-02-13  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Enable LFS.
	* configure: Re-generate.
	* config.in: Likewise.

2009-02-13  Joseph Myers  <joseph@codesourcery.com>

	PR c/35444
	* c-parser.c (c_parser_parms_list_declarator): Discard pending
	sizes on syntax error after some arguments have been parsed.

2009-02-12  Jakub Jelinek  <jakub@redhat.com>

	* doc/invoke.texi (-fira): Remove.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

	* caller-save.c: Replace regclass.c with reginfo.c in comments.
	* recog.c: Likewise.
	* rtl.h: Likewise.

2009-02-12  Uros Bizjak  <ubizjak@gmail.com>

	* longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
	(umul_ppmm): Likewise.
	(count_leading_zeros): Likewise.
	(count_trailing_zeros): Likewise.
	(UMUL_TIME): Likewise.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
	soft-fp/t-softfp to tmake_file.

	* config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
	(ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
	(ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
	IA64_BUILTIN_INFQ]: New.
	(ia64_init_builtins): Initialize __builtin_infq,
	__builtin_fabsq and __builtin_copysignq if not HPUX.
	(ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
	IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.

	* config/ia64/lib1funcs.asm (__divtf3): Define only if
	SHARED is defined.
	(__fixtfti): Likewise.
	(__fixunstfti): Likewise.
	(__floattitf): Likewise.

	* config/ia64/libgcc-glibc.ver: New.
	* config/ia64/t-fprules-softfp: Likewise.
	* config/ia64/sfp-machine.h: Likewise.

	* config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
	(LIBGCC2_TF_CEXT): Likewise.
	(TF_SIZE): Likewise.
	(TARGET_INIT_LIBFUNCS): Likewise.

	* config/ia64/t-glibc (SHLINB_MAPFILES):
	Add $(srcdir)/config/ia64/libgcc-glibc.ver.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (construct_container): Rewrite processing
	BLKmode with X86_64_SSE_CLASS.

2009-02-12  Paolo Bonzini  <bonzini@gnu.org>

	PR target/39152
	* config/i386/i386.md: Replace simplify_replace_rtx with
	replace_rtx in the new peephole2.

2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>

	* doc/invoke.texi (Optimize Options): Stop claiming inlining and
	loop unrolling do not happen at -O2.

2009-02-12  Michael Matz  <matz@suse.de>

	* gcc.c (ASM_DEBUG_SPEC): Check for -g0.

2009-02-12  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
	for -g3.

2009-02-12  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.md (allocate_stack): Use _stack form of
	patterns when updating the back chain.  Missed in the 2009-02-10
	change.

2009-02-11  Janis Johnson  <janis187@us.ibm.com>

	* doc/extend.texi (Decimal Floating Types): Update identifier of
	draft TR and list of missing support.

2009-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39154
	* gimplify.c (omp_notice_variable): If adding GOVD_SEEN
	bit to variable length decl's flags, add it also to its
	pointer replacement variable.

2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/39118
	* config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
	(memory_blockage): New expander.
	(*memory_blockage): New insn pattern.
	* config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
	instead of general blockage at the end of function prologue when
	frame pointer is used to access red zone area.  Do not emit blockage
	when profiling, it is emitted in generic code.
	(ix86_expand_epilogue): Emit memory_blockage at the beginning of
	function epilogue when frame pointer is used to access red zone area.

2009-02-11  Paolo Bonzini  <bonzini@gnu.org>

	PR target/38824
	* config/i386/i386.md: Add two new peephole2 to avoid mov followed
	by arithmetic with memory operands.
	* config/i386/predicates.md (commutative_operator): New.

2009-02-10  Janis Johnson  <janis187@us.ibm.com>

	* doc/extend.texi (Fixed-Point Types): Break long paragraphs into
	bulleted lists.

2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>

	* alias.h (record_alias_subset): Declare.
	* alias.c (record_alias_subset): Make global.

2009-02-10  Nick Clifton  <nickc@redhat.com>

	* tree-parloops.c: Change license to GPLv3.
	* ipa-struct-reorg.c: Change license to GPLv3.
	* ipa-struct-reorg.h: Change license to GPLv3.

2009-02-10  Steve Ellcey  <sje@cup.hp.com>

	PR c/39084
	* c-decl.c (start_struct): Return NULL on error.

2009-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39124
	* cfgloopmanip.c (remove_path): Call remove_bbs after
	cancel_loop_tree, not before it.

	PR target/39139
	* function.h (struct function): Add has_local_explicit_reg_vars bit.
	* gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
	VAR_DECLs were seen.
	* tree-ssa-live.c (remove_unused_locals): Recompute
	cfun->has_local_explicit_reg_vars.
	* tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
	copies or clearings if cfun->has_local_explicit_reg_vars.

2009-02-10  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39118
	* config/i386/i386.c (expand_prologue): Emit blockage at the end
	of function prologue when frame pointer is used to access
	red zone area.

2009-02-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39127
	* gimplify.c (gimple_regimplify_operands): Always look if
	we need to create a temporary.

2009-02-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39132
	* tree-loop-distribution.c (todo): New global var.
	(generate_memset_zero): Trigger TODO_rebuild_alias.
	(tree_loop_distribution): Return todo.

2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39119
	* config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
	(x86_64_reg_class_name): Removed.
	(classify_argument): Return 0 if bytes > 32.  Return 0 if the
	first one isn't X86_64_SSE_CLASS or any other ones aren't
	X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
	X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
	is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
	and 3 X86_64_SSEUP_CLASS.
	(construct_container): Remove X86_64_AVX_CLASS.  Handle 4
	registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.

2009-02-10  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.md (allocate_stack): Always use an update
	form instruction to update the stack back chain word, even if the
	user has disabled the generation of update instructions.
	(movdi_<mode>_update_stack): New.
	(movsi_update_stack): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
	always use an update form instruction to update the stack back
	chain word.

2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/38953
	* graphite.c (if_region_set_false_region): After moving a region in
	the false branch of a condition, remove the empty dummy basic block.
	(gloog): Remove wrong fix for PR38953.

2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
	generation due to implicit sign extension.

2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/38981
	* tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
	at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.

2009-02-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35202
	* convert.c (convert_to_real): Disable (float)fn((double)x)
	to fnf(x) conversion if errno differences may occur and
	-fmath-errno is set.

2009-02-07  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (avr_mcu_t): Add ata6289 device.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

	PR c/35434
	* c-common.c (handle_alias_attribute): Disallow attribute for
	anything not a FUNCTION_DECL or VAR_DECL.

2009-02-06  Janis Johnson  <janis187@us.ibm.com>

	PR c/39035
	* real.c (do_compare): Special-case compare of zero against
	decimal float value.

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

	PR c/36432
	* c-decl.c (grokdeclarator): Don't treat [] declarators in fields
	as indicating flexible array members unless the field itself is
	being declarared as the incomplete array.

2009-02-06  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/38844
	* ipa-inline.c (try_inline): Stop inlining recursion when edge
	is already inlined.

2009-02-06  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38977
	* tree-cfg.c (need_fake_edge_p): Force a fake edge for
	fork because we may expand it as __gcov_fork.

2009-02-06  Nick Clifton  <nickc@redhat.com>

	* config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.

2009-02-06  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/35659
	* tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
	vn_phi_eq): Shortcut if hashcode does not match.
	(vn_reference_op_compute_hash): Do not call iterative_hash_expr for
	NULL operands.
	* tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
	and avoid iterative_hash_expr.
	(FOR_EACH_VALUE_ID_IN_SET): New.
	(value_id_compare): Remove.
	(sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
	sort expressions by value id.

2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/38991
	* config/sh/predicates.md (general_movsrc_operand): Don't check
	the subreg of system registers here.

2009-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR c++/39106
	* cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
	on the copied decl.

2009-02-05  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/39110
	* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
	addresses, not aligned ones.

2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39100
	* tree-ssa-structalias.c (do_ds_constraint): Actually do what the
	comment says and add edges.

2009-02-05  Joseph Myers  <joseph@codesourcery.com>

	PR c/35435
	* c-common.c (handle_tls_model_attribute): Ignore attribute for
	non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.

2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>

	* graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
	sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
	register_bb_in_sese, new_sese, free_sese): Moved.
	(dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
	outermost_loop_in_scop, build_scop_iteration_domain,
	expand_scalar_variables_ssa_name, get_vdef_before_scop,
	limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
	Use loop_in_sese_p instead of loop_in_scop_p.
	(new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
	(new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
	(scopdet_basic_block_info): Fix bug in scop detection.
	(new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
	eq_loop_to_cloog_loop): Remove.
	(nb_loops_around_loop_in_scop, nb_loop
	ref_nb_loops): Moved here...
	* graphite.h (ref_nb_loops): ... from here.
	(struct scop): Remove bbs_b bitmap and loop2cloog_loop.
	(loop_domain_dim, loop_iteration_vector_dim): Remove.
	(SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
	* testsuite/gcc.dg/graphite/scop-19.c: New

2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
	    Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/37889
	* rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
	Move offset handling from PLUS to before the switch.  Use new
	arguments when considering SYMBOL_REFs too.
	(rtx_addr_can_trap_p): Pass dummy offset and size.
	(enum may_trap_p_flags): Remove.
	(may_trap_p_1): Pass size from MEM_SIZE.

	PR rtl-optimization/38921
	* loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
	* rtl.h (may_trap_after_code_motion_p): Delete prototype.
	* rtlanal.c (may_trap_after_code_motion_p): Delete.
	(may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.

2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>

	AVX Programming Reference (January, 2009)
	* config/i386/sse.md (*vpclmulqdq): New.

2009-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/38977
	PR gcov-profile/38292
	* calls.c (special_function_p): Disregard __builtin_ prefix.

2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
	non-indexable addresses even before reload.

2009-02-03  Joseph Myers  <joseph@codesourcery.com>

	PR c/29129
	* c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
	as having variable size.  Do not give an error for unnamed
	parameters with [*] declarators.  Give a warning for type names
	with [*] declarators and mark them as variable size.
	* c-parser.c (c_parser_sizeof_expression): Do not give an error
	for sizeof applied to [*] type names.

2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR C++/36607
	* convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2009-02-03  Joseph Myers  <joseph@codesourcery.com>

	PR c/35433
	* c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
	for composite type involving a zero-length array type.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/35318
	* function.c (match_asm_constraints_1): Skip over
	initial optional % in the constraint.

	PR inline-asm/39059
	* c-parser.c (c_parser_postfix_expression): If fixed point is not
	supported, don't accept FIXED_CSTs.
	* c-decl.c (finish_declspecs): Error if fixed point is not supported
	and _Sat is used without _Fract/_Accum.  Set specs->type to
	integer_type_node for cts_fract/cts_accum if fixed point is not
	supported.

2009-02-02  Catherine Moore  <clm@codesourcery.com>

	* sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.

2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
	(ABI_HAS_64BIT_SYMBOLS): Use it.
	(DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.

2009-02-02  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (arm_addsi3): Add r/r/k alternative.

2009-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/39058
	* recog.h (asm_operand_ok): Add constraints argument.
	* recog.c (asm_operand_ok): Likewise.  If it is set, for digits
	recurse on matching constraint.
	(check_asm_operands): Pass constraints as 3rd argument to
	asm_operand_ok.  Don't look up matching constraint here.
	* stmt.c (expand_asm_operands): Pass NULL as 3rd argument
	to asm_operand_ok.

2009-02-02  Ben Elliston  <bje@au.ibm.com>

	* doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
	TARGET_NARROW_VOLATILE_BITFIELD macro names.

2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
	information.  Remove some obsolete information.  Reorganize.

	* config/pa/fptr.c: Revert license to GPL 2.
	* config/pa/milli64.S: Likewise.

2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/38904
	* mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
	LIBRARY name in, instead of hard-coding it.
	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
	extra target make frag to tmake_files according to EH model.
	(i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
	* config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
	frags that define makefile variable EH_MODEL appropriately.
	* config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
	* config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
	to "-sjlj" according to type of EH configured.
	(LIBGCC_SONAME):  Concatenate it to shared library base name.
	* config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
	to "_sjlj" according to type of EH configured.
	(LIBGCC_SONAME):  Concatenate it to shared library base name.
	* config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
	(SHLIB_LINK):  Add missing semicolon to if-else construct.
	(SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
	string value of "pe_dll" command-line option.
	* config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
	(SHLIB_SONAME):  Use it when overriding t-cygming default.
	(SHLIB_IMPLIB):  Override t-cygming default.
	(SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
	string value of "pe_dll" command-line option.

2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/38952
	* config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
	(TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.

2009-01-31  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38937
	* tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
	computing the transitive closure.

2009-01-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39041
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
	Propagate variable indices only if the types match for this stmt.

2009-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/39013
	* c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
	inline but never defined.

2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
	(*insv_h_di_reg_extimm): New insn.
	(*insv_l<mode>_reg_extimm): New insn.

2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.c (flag_conserve_stack): set
	PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
	fconserve-stack. Reduce call-overhead used by inliner.

2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

	PR/38157
	* common.opt (flag_conserve_stack): Initialised to zero.

2009-01-30  Kai Tietz  <kai.tietz@onevision.com>

	PR/39002
	* config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
	(ix86_expand_epilogue): Take nsseregs in account to use proper restore
	method.

2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>

	* ira-color.c (allocno_reload_assign): Update comments.
	* regmove.c (regmove_optimize): Likewise.

	* ra.h: Removed.

2009-01-29  Robert Millan  <rmh@aybabtu.com>

	* gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
	* gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
	`MD_UNWIND_SUPPORT'.
	* gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).

2009-01-29  Kazu Hirata  <kazu@codesourcery.com>

	PR tree-optimization/39007
	* tree-loop-distribution.c (generate_builtin): Use
	recompute_dominator to compute the immediate dominator of the
	basic block just after the loop.

2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
	(ASM_OUTPUT_DWARF_PCREL): Define.

2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>

	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
	* doc/passes.texi: Remove entries about regclass, local-alloc, and
	global.  Modify entries about regmove and IRA.

	* ra-conflict.c: Remove the file.

	* reload.c (push_reload, find_dummy_reload): Remove flag_ira.

	* tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
	(pass_regclass_init): Rename to pass_reginfo_init.

	* cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.

	* toplev.h (flag_ira): Remove.

	* caller-save.c (setup_save_areas): Remove flag_ira.

	* ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.

	* global.c: Remove the file.

	* opts.c: (decode_options): Remove flag_ira.

	* hard-reg-set.h (losing_caller_save_reg_set): Remove.

	* regmove.c: Modify file description.
	(find_use_as_address, try_auto_increment): Define them only if
	AUTO_INC_DEC is defined.
	(replacement_quality, replace_in_call_usage, fixup_match_1,
	stable_and_no_regs_but_for_p): Remove.
	(reg_set_in_bb): Make it static.
	(regmove_optimize): Remove flag_ira and code which worked for
	!flag_ira.

	* local-alloc.c: Remove the file.

	* common.opt (fira): Remove.

	* ira.c: Include except.h.
	(eliminable_regset): Move from global.c.
	(mark_elimination): Ditto.  Remove flag_ira.
	(reg_renumber, struct equivalence, reg_equiv, equiv_mem,
	equiv_mem_modified, validate_equiv_mem_from_store,
	validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
	contains_replace_regs, memref_referenced_p, memref_used_between_p,
	no_equiv, recorded_label_ref): Move from local-alloc.c.
	(update_equiv_regs): Ditto.  Make it static.
	(print_insn_chain, print_insn_chains): Move it from global.c.
	(pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
	(build_insn_chain): Ditto.  Make it static.
	(ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
	Rename to init_live_subregs.
	(gate_ira): Remove flag_ira.

	* regclass.c: Rename reginfo.c.  Change file description.
	(FORBIDDEN_INC_DEC_CLASSES): Remove.
	(reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
	(init_reg_sets_1): Remove code for evaluation of
	reg_class_superclasses and losing_caller_save_reg_set.
	(init_regs): Remove init_reg_autoinc.
	(struct costs, costs, init_cost, ok_for_index_p_nonstrict,
	ok_for_base_p_nonstrict): Remove.
	(regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
	(pass_regclass_init): Rename to pass_reginfo_init.  Modify
	corresponding entries.
	(dump_regclass, record_operand_costs, scan_one_insn,
	init_reg_autoinc, regclass, record_reg_classes, copy_cost,
	record_address_regs, auto_inc_dec_reg_p): Remove.
	(gt-regclass.h): Rename to gt-reginfo.h.

	* rtl.h (dump_global_regs, retry_global_alloc,
	build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.

	* Makefile.in (RA_H): Remove.
	(OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
	Rename regclass.o to reginfo.o.
	(regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
	gt-reginfo.h.
	(global.o, local-alloc.o, ra-conflict.o): Remove entries.
	(GTFILES): Rename regclass.c to	reginfo.c.

	* passes.c (init_optimization_passes): Remove pass_local_alloc and
	pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.

	* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
	count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
	Remove flag_ira.
	(finish_spills): Ditto.  Remove code for !flag_ira.

2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR middle-end/35854
	* doc/invoke.texi (rtl debug options): Complete rewrite.
	* auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
	to auto_inc_dec".
	* mode-switching.c (pass_mode_switching): Rename pass from
	"mode-sw" to "mode_sw".
	* except.c (pass_convert_to_eh_ranges): Rename pass from
	"eh-ranges" to "eh_ranges".
	* lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
	to "subreg1".

2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
	    Alexander Monakov  <amonakov@ispras.ru>

	PR middle-end/38857
	* sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
	register.
	(move_exprs_to_boundary): Change return type and pass through
	should_move from move_op.  Relax assert.  Update usage ...
	(schedule_expr_on_boundary): ... here.  Use should_move instead of
	cant_move.
	(move_op_orig_expr_found): Indicate that insn was disconnected from
	stream.
	(code_motion_process_successors): Do not call after_merge_succs
	callback if original expression was not found when traversing any of
	the branches.
	(code_motion_path_driver): Change return type.  Update prototype.
	(move_op): Update comment.  Add a new parameter (should_move).  Update
	prototype.  Set *should_move based on indication provided by
	move_op_orig_expr_found.

2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>

	* doc/invoke.texi (avoid-indexed-addresses): Document new option.
	* config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
	* config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
	* config/rs6000/rs6000.c (rs6000_override_options): Default
	avoid-indexed-addresses on for Power6, off for everything else.
	(avoiding_indexed_address_p): New function.
	(rs6000_legitimize_address): Use it.
	(rs6000_legitimate_address): Likewise.
	* config/rs6000/rs6000.md (movXX_updateX): Likewise

2009-01-28  Kazu Hirata  <kazu@codesourcery.com>

	PR tree-optimization/38997
	* tree-loop-distribution.c (generate_memset_zero): Use
	POINTER_PLUS_EXPR for a pointer addition.

2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md (bswap<mode>2): New pattern added.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.md (*tls_load_31): Added type attribute.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.md: Fix a few comments.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
	(*tm<mode>_full): Fixed z10prop attribute.
	(*tst<mode>_extimm): Fixed z10prop attribute.
	(*tst<mode>_cconly_extimm): Fixed z10prop attribute.
	(*tstqiCCT_cconly): Fixed z10prop attribute.
	(*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
	(*movsi_larl): Fixed z10prop attribute.
	(*movsi_zarch): Fixed z10prop attribute.
	(*movsi_eas): Fixed z10prop attribute.
	(*movhi): Fixed z10prop attribute.
	(*movqi): Fixed z10prop attribute.
	(*movstrictqi): Fixed z10prop attribute.
	(*mov<mode>): Fixed z10prop attribute.
	(*movcc): Fixed z10prop attribute.
	(*sethighpartdi_64): Fixed z10prop attribute.
	(*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
	(*negdi2_sign_cc): Fixed z10prop attribute.
	(*negdi2_sign): Fixed z10prop attribute.
	(*absdi2_sign_cc): Fixed z10prop attribute.
	(*absdi2_sign): Fixed z10prop attribute.
	(*negabsdi2_sign_cc): Fixed z10prop attribute.
	(*negabsdi2_sign): Fixed z10prop attribute.
	(*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
	(*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
	(doloop_si64): Fixed z10prop attribute.
	(doloop_si31): Fixed z10prop attribute.
	(doloop_long): Fixed z10prop attribute.
	(indirect_jump): Fixed z10prop attribute.
	(nop): Fixed z10prop attribute.
	(main_base_64): Fixed z10prop attribute.
	(reload_base_64): Fixed z10prop attribute.

2009-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/38740
	* reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
	if !optimize.
	* config/mips/mips.c (mips_reorg): Likewise.

2009-01-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38926
	* tree-ssa-pre.c (add_to_value): Assert we add only expressions
	with the correct value id to a value.
	(do_regular_insertion): Use the value number of edoubleprime
	for the value number of the expr.

	Revert
	2008-08-21  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
	a PHI ask VN if it is already available.
	* tree-ssa-sccvn.h (vn_phi_lookup): Declare.
	* tree-ssa-sccvn.c (vn_phi_lookup): Export.

2009-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/38934
	* tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
	set to varying whenever max has TREE_OVERFLOW set, similarly
	for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.

2009-01-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38908
	* tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
	uninitialized aggregate uses in call arguments.

2009-01-28  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/38984
	* tree-ssa-structalias.c (get_constraints_for_1): Do not use
	the nothing_id variable if -fno-delete-null-pointer-checks.

2009-01-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/38988
	* config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
	(set_got_offset_rex64): Ditto.

2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38941
	* doc/extend.texi: Improve local variable with asm reg.

2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>

	* c.opt (Wpacked-bitfield-compat): Change init value to -1.
	* c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
	was not supplied then set warn_packed_bitfield_compat to the
	default value of 1.
	* stor-layout.c (place_field): Check warn_packed_bitfield_compat
	against 1.

2009-01-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38503
	* cfgexpand.c (expand_gimple_basic_block): Ignore
	GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
	* tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
	variables that cannot have TBAA applied.
	(compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
	statements.

2009-01-27  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/38969
	* calls.c (initialize_argument_information): Do not wrap complex
	arguments in SAVE_EXPR.

2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>

	* config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
	(INSTALL_LIBGCC): Revert typo commit.

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38745
	* tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
	from special handling.

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38745
	* tree-ssa.c (execute_update_addresses_taken): Do not include
	variables that cannot possibly be a register in not_reg_needs.
	Do not clear TREE_ADDRESSABLE on vars that may not become
	registers.
	* tree-ssa.c (update_alias_info_1): Include those in the set
	of addressable vars.

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38851
	* Makefile.in (tree-ssa-dse.o): Add langhooks.h.
	* tree-ssa-dse.c: Include langhooks.h
	(execute_simple_dse): Remove stores with zero size.

2009-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR c/38957
	* c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
	as PLUS_EXPR.

2009-01-24  Julian Brown  <julian@codesourcery.com>

	* config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
	config/arm/linux-atomic.c.
	* config/arm/linux-atomic.c: New.

2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
	* config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
	* config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.

2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR c/38938
	* c-opts.c (c_common_handle_option): Update warn_pointer_sign
	properly.

2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/38953
	* graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
	(scop_adjust_phis_for_liveouts): Initialize false_i to zero.
	(gloog): Split the exit of the scop when the scop exit is a loop exit.
	(graphite_transform_loops): Only call cleanup_tree_cfg if gloog
	changed the CFG.

2009-01-24  Paul Brook  <paul@codesourcery.com>

	* config/arm/neon.md (neon_type): Move to arm.md.
	(neon_mov<VSTRUCT>): Add neon_type attribute.
	* config/arm/arm.md (neon_type): Move to here.
	(conds): Add "unconditioal" and use as default for NEON insns.

2009-01-24  Ben Elliston  <bje@au.ibm.com>

	* bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
	void *' warning from -Wc++-compat.
	* Makefile.in (dominance.o-warn): Remove.

2009-01-23  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/38932
	* fold-const.c (fold_unary_ignore_overflow): New.
	* tree.h (fold_unary_ignore_overflow): Declare.
	* tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
	* tree-ssa-sccvn.c (visit_reference_op_load,
	simplify_unary_expression): Likewise.

2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>

	* c-decl.c (finish_struct): Move code to set DECL_PACKED after
	DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
	regardless of their type.
	* c-common.c (handle_packed_attribute): Don't ignore packed on
	bitfields.
	* c.opt (Wpacked-bitfield-compat): New warning option.
	* stor-layout.c (place_field): Warn if offset of a field changed.
	* doc/extend.texi (packed): Mention the ABI change.
	* doc/invoke.texi (-Wpacked-bitfield-compat): Document.
	(Warning Options): Add it to the list.

2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	* c-opts.c (c_common_post_options): Fix a typo in comments.

2009-01-22  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/38615
	* gimplify.c (gimplify_init_constructor): Fix promotion of const
	variables to static.
	* doc/invoke.texi (-fmerge-all-constants): Update description.

2009-01-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/38931
	* config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
	(*movdi_1_rex64): Use type "mmx" for alternative 5.

2009-01-22  Richard Earnshaw  <rearnsha@arm.com>

	* arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
	a word boundary.
	(LOCAL_ALIGNMENT): Similarly.

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
	* config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
	* config/arm/arm-tune.md: Regenerate.
	* doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
	-march=iwmmxt2.

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>

	* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
	version number to five.

2009-01-22  Dodji Seketeli  <dodji@redhat.com>

	PR c++/38930
	* c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
	* c-common.c (set_underlying_type): Likewise.
	(is_typedef_decl ): Likewise
	* tree.h: Likewise
	(set_underlying_type): Likewise.
	(is_typedef_type): Likewise.

2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/38587
	* ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
	crossing setjmps.

2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR bootstrap/37660
	* config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
	(LIBGCC_SPEC):  Don't define.
	(REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.

2009-01-21  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/38879
	* alias.c (base_alias_check): Unaligned access via AND address can
	alias all surrounding object types except those with sizes equal
	or wider than the size of unaligned access.

2009-01-21  Dodji Seketeli  <dodji@redhat.com>

	PR c++/26693
	* c-decl.c: (clone_underlying_type): Move this ...
	* c-common.c (set_underlying_type): ... here.
	Also, make sure the function properly sets TYPE_STUB_DECL() on
	the newly created typedef variant type.
	(is_typedef_decl ): New entry point.
	* tree.h: Added a new member member_types_needing_access_check to
	struct tree_decl_non_common.
	(set_underlying_type): New entry point.
	(is_typedef_type): Likewise.

2009-01-21  Bingfeng Mei  <bmei@broadcom.com>

	* alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
	Check whether two instructions have memory references that
	belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
	are helper functions for traversing.
	* alias.h (insn_alias_sets_confilict_p): New prototypes.
	* ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
	not to draw dependency edge for instructions with non-conflicting
	alias sets.

2009-01-20  Joseph Myers  <joseph@codesourcery.com>

	PR other/38758
	* longlong.h: Update copyright years.  Use soft-fp license notice.
	Sync __clz_tab declaration with glibc.

2009-01-20  Steve Ellcey  <sje@cup.hp.com>

	PR target/30687
	* doc/extend.texi (syscall_linkage): New.
	(version_id): Modify.

2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38747
	PR tree-optimization/38748
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
	conversion if the base address is an indirect reference and the
	aliasing sets could cause issues.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

	* common.opt (fgraphite, fgraphite-identity): Add comment for
	explaining why these options are not documented.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.c (stmt_simple_for_scop_p): Also handle cases when
	gimple_call_lhs is NULL.

2009-01-20  Paolo Bonzini  <bonzini@gnu.org>

	PR target/38868
	* emit-rtl.c (adjust_address_1): Make sure memref is never
	overwritten.

2009-01-20  Ben Elliston  <bje@au.ibm.com>

	* libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
	const qualifier from arg parameter. Remove unnecessary cast to char *.
	* gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
	const qualifier from arg 2.

2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

	* config/darwin.h: Add static-libgfortran to LINK_SPEC.

2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>

	PR c/38869
	* rtl.h (reinit_regs): New prototype.
	* regclass.c: Include ira.h.
	(reinit_regs): New.
	* Makefile.in (regclass.o): Add ira.h.
	* config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.

2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38736
	* c-common.c (handle_aligned_attribute): Use
	ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
	default alignment value.

	* c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.

	* defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
	* config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.

	* doc/extend.texi: Update __attribute__ ((aligned)).  Document
	__BIGGEST_ALIGNMENT__.

	* doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.

2009-01-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38819
	* tree-flow.h (operation_could_trap_helper_p): Declare.
	* tree-eh.c (operation_could_trap_helper_p): Export.
	* tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
	* tree-ssa-sccvn.c (vn_nary_may_trap): New function.
	* tree-ssa-pre.c (insert_into_preds_of_block): Check if we
	are about to insert a possibly trapping instruction and fail
	in this case.

2009-01-18  Andreas Schwab  <schwab@suse.de>

	* doc/install.texi (Configuration): Remove obsolete paragraph
	about use of --with-gnu-ld with --with-gnu-as.

2009-01-18  Kazu Hirata  <kazu@codesourcery.com>

	* doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
	doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
	Follow spelling conventions.

2009-01-18  Ben Elliston  <bje@au.ibm.com>

	* bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
	C++ warning about implicit conversion from void * to struct
	bitmap_head_def *.
	(bitmap_obstack_free): Likewise for bitmap_element *.
	* Makefile.in (bitmap.o-warn): Remove.

2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>

	* Makefile.in (BACKENDLIBS):  Reorder to match dependencies.

2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <tobi.grosser@amd.com>

	* graphite.c (graphite_trans_scop_block): Do not block single
	nested loops.

2009-01-16  Alexandre Oliva  <aoliva@redhat.com>

	* ebitmap.h (ebitmap_iter_init): Initialize all fields.
	* ipa-struct-reorg.c (gen_struct_type): Replace known-true
	test with assertion.

2009-01-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38835
	PR middle-end/36227
	* fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
	and INT + PTR -> (INT)(PTR p+ INT) folding.
	* tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.

2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>

	PR target/38554
	* expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
	the subreg from a lowpart subreg if it is also casting the value.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <tobi.grosser@amd.com>

	* graphite.c (compare_prefix_loops): New.
	(build_scop_canonical_schedules): Rewritten.
	(graphite_transform_loops): Move build_scop_canonical_schedules
	after build_scop_iteration_domain.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <tobi.grosser@amd.com>

	* graphite.c (add_conditions_to_domain): Add the loops to
	the dimension of the iteration domain.  Do copy the domain
	only when it exists.
	(build_scop_conditions_1): Do not call add_conditions_to_domain.
	(add_conditions_to_constraints): New.
	(can_generate_code_stmt, can_generate_code): Removed.
	(gloog): Do not call can_generate_code.
	(graphite_transform_loops): Call add_conditions_to_constraints
	after building the iteration domain.

2009-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/38789
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
	__builtin_constant_p.

2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* dce.c (delete_unmarked_insns): Reversed the order that insns are
	examined before deleting them.

2009-01-16  Richard Earnshaw  <rearnsha@arm.com>

	* function.c (aggregate_value_p): Correctly extract the function
	type from CALL_EXPR_FN lookup.

2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.c (picochip_override_options): Revert
	CFI asm flag disable commited previously.

2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <tobi.grosser@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>

	* graphite.c (scan_tree_for_params): On substractions negate
	all the coefficients of the term.
	(clast_to_gcc_expression_red): New.  Handle reduction expressions
	of more than two operands.
	(clast_to_gcc_expression): Call clast_to_gcc_expression_red.
	(get_vdef_before_scop): Handle also the case of default definitions.

2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>

	* caller-save.c (add_used_regs_1, add_used_regs): New functions.
	(insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
	Also use them when walking CALL_INSN_FUNCTION_USAGE.

2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
	    Joey Ye  <joey.ye@intel.com>

	PR middle-end/37843
	* cfgexpand.c (expand_stack_alignment): Don't update stack
	boundary nor check incoming stack boundary here.
	(gimple_expand_cfg): Update stack boundary and check incoming
	stack boundary here.

2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.

2009-01-14  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/38245
	* calls.c (expand_call): Add stack arguments to
	CALL_INSN_FUNCTION_USAGE even for pure calls (when
	ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
	in regs and partially in memory or BLKmode arguments.
	(emit_library_call_value_1): Add stack arguments to
	CALL_INSN_FUNCTION_USAGE even for pure calls (when
	ACCUMULATE_OUTGOING_ARGS).
	* dce.c: Include tm_p.h.
	(find_call_stack_args): New function.
	(deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
	argument.
	(mark_insn): Call find_call_stack_args for CALL_Ps.
	(prescan_insns_for_dce): Walk insns backwards in bb rather than
	forwards.  Allocate and free arg_stores bitmap if needed, pass it
	down to deletable_insn_p, don't mark stores set in arg_stores
	bitmap, clear the bitmap at the beginning of each bb.
	* Makefile.in (dce.o): Depend on $(TM_P_H).

2009-01-14  Michael Meissner  <gnu@the-meissners.org>

	PR target/22599
	* config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
	to make sure the insn is a conditional test (bug 22599).  Reformat a
	few long lines.

2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/38431
	* graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
	(scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
	(gloog): Do not call cleanup_tree_cfg.
	(graphite_transform_loops): Call cleanup_tree_cfg after all
	scops have been code generated.

2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
	* doc/gty.texi (Invoking the garbage collector): Added new node
	and section documenting ggc_collect.

2009-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38826
	PR middle-end/38477
	* tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
	initialization notes only if we actually emitted a warning.
	(intra_create_variable_infos): Add constraints for a result decl
	that is passed by hidden reference.
	(build_pred_graph): Mark all related variables non-direct on
	address-taking.

2009-01-14  Nick Clifton  <nickc@redhat.com>

	* ira-conflicts.c: Include addresses.h for the definition of
	base_reg_class.
	(ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
	* Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.

2009-01-14  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
	* config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use
	rs6000_elf_end_indicate_exec_stack.
	* config/ia64/ia64.c (ia64_linux_file_end): New.
	* config/ia64/linux.h (TARGET_ASM_FILE_END): Use ia64_linux_file_end.

	* gcc.c (execute): Don't free first string early, but at the end
	of the function.  Call retry_ice if compiler exited with
	ICE_EXIT_CODE.
	(retry_ice): New function.
	* diagnostic.c (diagnostic_count_diagnostic,
	diagnostic_action_after_output, error_recursion): Exit with
	ICE_EXIT_CODE instead of FATAL_EXIT_CODE.

	* config/i386/linux.h (LINK_SPEC): Add --hash-style=gnu.
	* config/i386/linux64.h (LINK_SPEC): Likewise.
	* config/rs6000/sysv4.h (LINK_OS_LINUX_SPEC): Likewise.
	* config/rs6000/linux64.h (LINK_OS_LINUX_SPEC): Likewise.
	* config/s390/linux.h (LINK_SPEC): Likewise.
	* config/ia64/linux.h (LINK_SPEC): Likewise.
	* config/sparc/linux.h (LINK_SPEC): Likewise.
	* config/sparc/linux64.h (LINK_SPEC): Likewise.
	* config/alpha/linux-elf.h (LINK_SPEC): Likewise.
	* config/arm/linux-elf.h (LINK_SPEC): Likewise.

	* c-cppbuiltin.c (define__GNUC__): Also define __GNUC_RH_RELEASE__.

	* crtstuff.c (__dso_handle): Make __dso_handle const.

	* config/ia64/ia64.h (FRAME_GROWS_DOWNWARD): Define to 1 if
	-fstack-protect.
	* config/ia64/ia64.c (ia64_compute_frame_size): Make sure
	size is a multiple of 16 if FRAME_GROWS_DOWNWARD.
	(ia64_initial_elimination_offset): Support FRAME_GROWS_DOWNWARD
	layout.
	* config/ia64/linux.h (TARGET_LIBC_PROVIDES_SSP): Define.
	* config/ia64/ia64.md (stack_protect_set, stack_protect_test): New
	expanders.

	Revert:
	2005-04-29  Alan Modra  <amodra@bigpond.net.au>
	PR target/21098
	* config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
	* config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.

	* config/rs6000/ppc-asm.h: Add .note.GNU-stack section also
	on ppc64-linux.

	* config/ia64/lib1funcs.asm: Add .note.GNU-stack section on
	ia64-linux.
	* config/ia64/crtbegin.asm: Likewise.
	* config/ia64/crtend.asm: Likewise.
	* config/ia64/crti.asm: Likewise.
	* config/ia64/crtn.asm: Likewise.

	* config/ia64/linux.h (TARGET_ASM_FILE_END): Define.

	* configure.ac (HAVE_LD_OVERLAPPING_OPD): New test.
	* configure: Rebuilt.
	* config.in: Rebuilt.
	* config/rs6000/rs6000.c (OVERLAPPING_OPD): Define.
	(rs6000_elf_declare_function_name): Use it.

2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/38811
	* Makefile.in (ira-lives.o): Add except.h.

	* ira-lives.c: Include except.h.
	(process_bb_node_lives): Process can_throw_internal.

2009-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/38774
	* combine.c (simplify_set): When undoing cc_use change, don't do
	PUT_CODE on the newly created comparison, but instead put back the
	old comparison.

2009-01-13  Joseph Myers  <joseph@codesourcery.com>

	* doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
	values.  Remove duplicate arm8 entry.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/38786
	* graphite.c (expand_scalar_variables_ssa_name): New, outlined from
	the SSA_NAME case of expand_scalar_variables_expr.
	Set the type of an expression to the type of its assign	statement.
	(expand_scalar_variables_expr): Also gather the scalar computation
	used to index the memory access.  Do not pass loop_p.
	Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
	(expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
	the gimple_stmt_iterator where it inserts new code.
	Do not pass loop_p.
	(copy_bb_and_scalar_dependences): Do not pass loop_p.
	(translate_clast): Update call to copy_bb_and_scalar_dependences.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.h (debug_value): Removed.
	* graphite.c (debug_value): Removed.

2009-01-13  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.c (output_move_double): Don't synthesize thumb-2
	ldrd/strd with two 32-bit instructions.

2009-01-13  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.c (struct processors): Pass for speed down into
	cost helper functions.
	(const_ok_for_op): Handle COMPARE and inequality nodes.
	(arm_rtx_costs_1): Rewrite.
	(arm_size_rtx_costs): Update prototype.
	(arm_rtx_costs): Pass speed down to helper functions.
	(arm_slowmul_rtx_costs): Rework cost calculations.
	(arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
	(arm_9e_rtx_costs): Likewise.

2009-01-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
	relocations of local symbols wider than UNITS_PER_WORD are not valid.
	(alpha_legitimize_address): Do not split local symbols wider than
	UNITS_PER_WORD into HIGH/LO_SUM parts.

2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>

	PR bootstrap/38580
	* gcc.c (process_command): Replace call to execvp with calls
	to pex_one and exit.

2009-01-03  Anatoly Sokolov  <aesok@post.ru>

	PR target/29141
	* config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
	* config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
	variant for devices with 3-byte PC.
	(__tablejump_elpm__) : New.

2009-01-12  Jakub Jelinek  <jakub@redhat.com>

	PR c/32041
	* c-parser.c (c_parser_postfix_expression): Allow `->' in
	offsetof member-designator, handle it as `[0].'.

2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
	function when not using named sections on targets with named sections
	if branch distance is less than 262132.

2009-01-12  Richard Earnshaw  <rearnsha@arm.com>

	* combine.c (combine_instructions):  Recompute
	optimize_this_for_speed_p  for each BB in the main combine loop.

2009-01-12  Tomas Bily  <tbily@suse.cz>

	PR middlend/38385
	* tree-loop-distribution.c (prop_phis): New function.
	(generate_builtin): Call prop_phis.
	* testsuite/gcc.dg/tree-ssa/pr38385.c: New file.

2009-01-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/38807
	* tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
	gimple_visited_p unless stmt is GIMPLE_ASSIGN.

2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>

	* expmed.c (store_bit_field_1): Properly truncate the paradoxical
	subreg of op0 to the original op0.

2009-01-11  Laurent GUERBY  <laurent@guerby.net>

	* doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.

2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>

	PR debug/7055
	* gcc/mips-tfile.c (parse_def): Fix parsing of def strings
	starting with digits.

2009-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/38695
	* config/arm/arm.c (arm_is_long_call_p): Don't call
	arm_function_in_section_p if decl isn't a FUNCTION_DECL.

2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>

	* regrename.c (regrename_optimize): Fix dumping.
	(find_oldest_value_reg): Preserve REG_POINTER.
	(copy_hardreg_forward_1): Likewise.

2009-01-09  Diego Novillo  <dnovillo@google.com>

	* gimple.h (struct gimple_statement_base) <uid>: Document
	the restrictions on its use.
	(gimple_uid): Tidy.
	(gimple_set_uid): Tidy.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
	zero guard even if align_bytes != 0 and count is smaller than
	size_needed.

2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/38495
	* ira-emit.c (print_move_list, ira_debug_move_list): New functions.
	(add_range_and_copies_from_move_list): Print all added ranges.
	Add ranges to memory optimized destination.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/38686
	PR target/38708
	* config/i386/i386.c (override_options): Reject
	-mstringop-strategy=rep_8byte with -m32.
	(ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
	to 1.  Do count comparison against epilogue_size_needed at compile
	time even when count_exp was constant forced into register.  For
	size_needed don't jump to epilogue, instead just avoid aligning
	and invoke the body algorithm.  If need_zero_guard, add zero guard
	even if count is non-zero, but smaller than size_needed + number of
	bytes that could be stored for alignment.
	(ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
	to 1.  If need_zero_guard, add zero guard even if count is non-zero,
	but smaller than size_needed + number of bytes that could be stored
	for alignment.  Compare size_needed with epilogue_size_needed instead
	of desired_align - align, don't adjust size_needed, pass
	epilogue_size_needed to the epilogue expanders.

	PR c/35742
	* c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.

2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (last_address): Change to unsigned.
	(update_total_code_bytes): Change argument to unsigned.  Don't
	check if insn addresses are set.
	(pa_output_function_epilogue): Set last_address to UINT_MAX if insn
	addresses are not set.
	(pa_asm_output_mi_thunk): Handle wrap when updating last_address.

2009-01-09  Nick Clifton  <nickc@redhat.com>

	* config/sh/symbian.c: Replace uses of DECL_INLINE with
	DECL_DECLARED_INLINE_P.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/38347
	* dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
	GET_MODE (op0) in operand_subword_force calls.

	PR middle-end/38771
	* fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
	fold_convert arg0 operands to TREE_TYPE (op0) first.

2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>

	* params.def (ira-max-conflict-table-size): Decrease default value
	to 1000.

2009-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/37031
	* lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
	on parameter_set.
	(build_access_matrix): Reserve correct size for AM_MATRIX vector,
	allocate it using gc instead of heap, use VEC_quick_push instead of
	VEC_safe_push.
	* graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
	instead of heap, use VEC_quick_push instead of VEC_safe_push.
	* tree-data-ref.h (struct access_matrix): Change matrix to gc
	allocated vector from heap allocated.
	* lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
	* tree-loop-linear.c (linear_transform_loops): Allocate nest
	vector only after perfect_loop_nest_depth call.

2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>

	PR tree-optimization/38559
	* graphite.c (debug_value, copy_constraint,
	swap_constraint_variables, scale_constraint_variable, ): New.
	(get_lower_bound, get_upper_bound): Removed.
	(graphite_trans_bb_strip_mine): Clean up this code that works
	only for constant number of iterations.  Fully copy upper and
	lower bound constraints, not only the constant part of them.
	* graphite.h (debug_value): Declared.

2009-01-08  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/37194
	* tree-vect-transform.c (vect_estimate_min_profitable_iters):
	Don't add the cost of cost model guard in prologue to scalar
	outside cost in case of known number of iterations.

2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
	    Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
	non-word-aligned REG+CONST addressing.

2009-01-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/38706
	* config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
	free_after_compilation when outputting a thunk.
	(alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
	Do not call free_after_compilation here.

2009-01-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
	(ix86_valid_target_attribute_inner_p): Ditto.

2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>

	PR tree-optimization/38492
	PR tree-optimization/38498
	* tree-check.c (operator_is_linear, scev_is_linear_expression): New.
	* tree-chrec.h (scev_is_linear_expression): Declared.
	* graphite.c (graphite_cannot_represent_loop_niter): New.
	(scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
	(graphite_loop_normal_form): Use gcc_assert.
	(scan_tree_for_params): Use CASE_CONVERT.
	(phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
	(build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
	Use gcc_assert.  Discard scops that contain unhandled cases.
	(build_scop_conditions): Return a boolean status for unhandled cases.
	(strip_mine_profitable_p): Print the loop number, not its depth.
	(is_interchange_valid): Pass the depth of the loop nest, don't
	recompute it wrongly.
	(graphite_trans_bb_block): Same.
	(graphite_trans_bb_block): Print tentative of loop blocking.
	(graphite_trans_scop_block): Do not print that the loop has been
	blocked.
	(graphite_transform_loops): Do not handle scops that contain condition
	scalar phi nodes.

2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	AVX Programming Reference (December, 2008)
	* config/i386/avxintrin.h (_mm256_stream_si256): New.
	(_mm256_stream_pd): Likewise.
	(_mm256_stream_ps): Likewise.

	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
	IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
	(ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
	(bdesc_special_args): Add __builtin_ia32_movntdq256,
	__builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
	(ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
	(ix86_expand_special_args_builtin): Likewise.

	* config/i386/sse.md (AVXMODEDI): New.
	(avx_movnt<mode>): Likewise.
	(avx_movnt<mode>): Likewise.
	(<sse>_movnt<mode>): Remove AVX support.
	(sse2_movntv2di): Likewise.

2009-01-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38751
	* fold-const.c (extract_muldiv): Remove obsolete comment.
	(fold_plusminus_mult_expr): Undo MINUS_EXPR
	to PLUS_EXPR canonicalization for the canonicalization.

2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
	hosted cross-compilers generating less efficient code.

2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

	* function.h (rtl_data): Add a dbr_scheduled_p field.
	* reorg.c (dbr_schedule): Set it.
	(gate_handle_delay_slots): Check it.
	* config/mips/mips.c (mips_base_delayed_branch): Delete.
	(mips_reorg): Check flag_delayed_branch instead of
	mips_base_delayed_branch.
	(mips_override_options): Don't set mips_base_delayed_branch
	or flag_delayed_branch.

2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/38426.
	* ira.c (ira): Set current_function_is_leaf earlier.

2009-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/38722
	* combine.c (try_combine): Don't modify PATTERN (i3) and notes
	too early, only set a flag and modify after last possible
	undo_all point.

2009-01-06  Janis Johnson  <janis187@us.ibm.com>

	PR c/34252
	* ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
	* real.c (decimal_single_format): Correct values of emin and emax.
	(decimal_double_format): Ditto.
	(decimal_quad_format): Ditto.
	* c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
	computation of DECnn_MIN and DECnn_MAX for corrected values of
	emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
	__DECnn_MIN__, and adjust its computation for the corrected value
	of emin.

2009-01-06  Jan Hubicka  <jh@suse.cz>

	PR target/38744
	* config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.

2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi (Contributors): Slightly adjust the end note.
	Add Robert Clark to the list of testers.

2009-01-06  Jan Hubicka  <jh@suse.cz>
	    Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
	* config/i386/i386.c (ix86_expand_call): Add clobbers.

2009-01-06  Jan Hubicka  <jh@suse.cz>
	    Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
	for w64 ABI.
	* config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
	(ix86_nsaved_regs): Count only general purpose regs.
	(ix86_nsaved_sseregs): New.
	(ix86_compute_frame_layout): Update nsseregs; set preferred alignment
	to 16 for w64; compute padding and size of sse reg save area.
	(ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
	general purpose regs.
	(ix86_emit_save_sse_regs_using_mov): New.
	(ix86_expand_prologue): Save SSE regs if needed.
	(ix86_emit_restore_regs_using_mov): Use only general purpose regs.
	(ix86_emit_restore_sse_regs_using_mov): New.
	(ix86_expand_epilogue): Save SSE regs if needed.

2009-01-06  Jan Hubicka  <jh@suse.cz>
	    Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
	* config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
	functions when accumulate outgoing args is off.

2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/38742
	* ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
	before using pseudos_have_intersected_live_ranges_p.

	* ira-int.h (ira_assert): Always define.

2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>

	AVX Programming Reference (December, 2008)
	* config/i386/avxintrin.h (_mm_permute2_pd): Removed.
	(_mm256_permute2_pd): Likewise.
	(_mm_permute2_ps): Likewise.
	(_mm256_permute2_ps): Likewise.
	* config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
	* config/i386/sse.md (avx_vpermil2<mode>3): Likewise.

	* config/i386/i386.c (ix86_builtins): Remove
	IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
	IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
	(ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
	V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
	and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
	(bdesc_args): Remove __builtin_ia32_vpermil2pd,
	__builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
	__builtin_ia32_vpermil2ps256.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.

2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (output_call): Relocate non-jump insns in the delay slot of
	long absolute calls when generating PA 2.0 code.

2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/38583
	* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.

	* params.def (ira-max-conflict-table-size): New.

	* doc/invoke.texi (ira-max-conflict-table-size): Decribe.

	* ira.h (ira_conflicts_p): New external definition.

	* ira-conflicts.c (build_conflict_bit_table): Do not build too big
	table.  Report this.  Return result of building.
	(ira_build_conflicts): Use ira_conflicts_p.  Check result of
	building conflict table.

	* ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
	(ira_color): Use ira_conflicts_p.

	* global.c: Include ira.h.
	(pseudo_for_reload_consideration_p, build_insn_chain): Use
	ira_conflicts_p.

	* Makefile.in (global.o): Add ira.h.

	* ira-build.c (mark_all_loops_for_removal,
	propagate_some_info_from_allocno): New.
	(remove_unnecessary_allocnos): Call
	propagate_some_info_from_allocno.
	(remove_low_level_allocnos): New.
	(remove_unnecessary_regions): Add parameter.  Call
	mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
	parameter to remove_unnecessary_regions.
	(ira_build): Remove all regions but root if the conflict table was
	not built.  Update conflict hard regs for allocnos crossing calls.

	* ira.c (ira_conflicts_p): New global.
	(ira): Define and use ira_conflicts_p.

	* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
	count_spilled_pseudo, find_reg, alter_reg, finish_spills,
	emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.

2009-01-06  Ben Elliston  <bje@au.ibm.com>

	* gengtype-lex.l (YY_NO_INPUT): Define.

2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR c/34911
	* c-common.c (handle_vector_size_attribute): Also reject
	BOOLEAN_TYPE types.

2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/38492
	* graphite.c (rename_map_elt, debug_rename_elt,
	debug_rename_map_1, debug_rename_map, new_rename_map_elt,
	rename_map_elt_info, eq_rename_map_elts,
	get_new_name_from_old_name, bb_in_sese_p): Moved around.
	(sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
	(sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
	(sese_build_livein_liveouts): New.
	(new_sese, free_sese): New.
	(new_scop): Call new_sese.
	(free_scop): Call free_sese.
	(rename_variables_from_edge, rename_phis_end_scop): Removed.
	(register_old_new_names): Renamed register_old_and_new_names.
	(register_scop_liveout_renames, add_loop_exit_phis,
	insert_loop_close_phis, struct igp,
	default_liveout_before_guard, add_guard_exit_phis,
	insert_guard_phis, copy_renames): New.
	(translate_clast): Call insert_loop_close_phis and insert_guard_phis.
	(sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
	(rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
	(scop_adjust_phis_for_liveouts): New.
	(gloog): Call scop_adjust_phis_for_liveouts.

	* graphite.h (struct sese): Documented.  Added fields liveout,
	num_ver and livein.
	(SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
	(new_sese, free_sese, sese_build_livein_liveouts): Declared.
	(struct scop): Added field liveout_renames.
	(SCOP_LIVEOUT_RENAMES): New.

2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>

	PR tree-optimization/38510
	* graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
	(translate_clast): Call recompute_all_dominators before
	graphite_verify.
	(gloog): Call recompute_all_dominators before graphite_verify.

2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>

	PR tree-optimization/38500
	* graphite.c (create_sese_edges): Call fix_loop_structure after
	splitting blocks.

2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>

	* config.gcc: Add m32r*-*-rtems*.
	* config/m32r/rtems.h: New file.

2009-01-05  Ben Elliston  <bje@au.ibm.com>

	* Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
	(.po.pox): Likewise.
	(po/gcc.pot): Likewise.

2009-01-04  David S. Miller  <davem@davemloft.net>

	* config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
	(STARTING_FRAME_OFFSET): Always set to zero.

2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>

	* tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
	* tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
	fixed-point types, and vectors of the same.

2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/sync.md (*mb_barrier): Rename to...
	(*memory_barrier): ...this.

2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/extend.texi (Function Attributes): Move @cindex after @item
	for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
	and put in alphabetical order. Fix 'target' name and put in order.
	* doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
	typos.

2009-01-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
	(memory_barrier): Expand as unspec instead of unspec_volatile.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	(*memory_barrier): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand.

	* config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
	* config/sparc/sync.md (memory_barrier): Expand as unspec instead of
	unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
	scratch register.  Remove operand 1.
	(*stbar): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand, remove (const_int 8).
	(*membar): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand, remove input operand 2.

	* config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
	(memory_barrier): Expand as unspec instead of unspec_volatile.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	(*memory_barrier): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand.

	* config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	Set volatile flag on operand 0.
	(*memory_barrier): New insn pattern.

	* config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
	insn operands.
	(*memory_barrier): Use (match_dup 0) as input operand.

	* config/mips/sync.md (memory_barrier): Redefine as expander pattern.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	Set volatile flag on operand 0.
	(*mb_internal): New insn pattern.

	* config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.

2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/38586
	* function.c (struct temp_slot): Move to the section of the file
	that deals with temp slots.  Remove field 'address'.
	(temp_slot_address_table): New hash table of address -> temp slot.
	(struct temp_slot_address_entry): New struct, items for the table.
	(temp_slot_address_compute_hash, temp_slot_address_hash,
	temp_slot_address_eq, insert_temp_slot_address): Support functions
	for the new table.
	(find_temp_slot_from_address): Rewrite to use the new hash table.
	(remove_unused_temp_slot_addresses): Remove addresses of temp
	slots that have been made available.
	(remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
	worker function for remove_unused_temp_slot_addresses.
	(assign_stack_temp_for_type): Don't clear the temp slot address list.
	Add the temp slot address to the address -> temp slot map.
	(update_temp_slot_address): Update via insert_temp_slot_address.
	(free_temp_slots): Call remove_unused_temp_slot_addresses.
	(pop_temp_slots): Likewise.
	(init_temp_slots): Allocate the address -> temp slot map, or empty
	the map if it is already allocated.
	(prepare_function_start): Initialize temp slot processing.

2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/38584
	* cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
	Calculate the size of all stack vars assuming no packing of stack
	vars will happen, replacing a quadratic algorithm with a linear one.

2009-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/38707
	* expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
	can't be used.

2009-01-03  Diego Novillo  <dnovillo@google.com>

	* doc/contrib.texi: Update contributions.

2009-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/38705
	* builtins.c (fold_builtin_memory_op): Give up if either operand
	is volatile.  Set srctype or desttype to non-qualified version
	of the other type.

	PR c/38700
	* builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
	and FUNCTION_DECLs.

2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR rtl-optimization/35805
	* df-problems.c (df_lr_finalize): Add recursive call to resolve lr
	problem if fast dce is able to remove any instructions.
	* dce.c (dce_process_block): Fix dump message.

2009-01-02  Mark Mitchell  <mark@codesourcery.com>

	PR 33649
	* tree-ssa-pre.c (compute_antic): Correct loop bounds.

2009-01-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/38690
	* tree-flow.h (op_code_prio, op_prio): New prototypes.
	* tree-pretty-print.c (op_code_prio): New function.
	(op_prio): No longer static.  Use op_code_prio.
	* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
	Use op_prio and op_code_prio to determine if () should be
	printed around operand(s) or not.

	* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
	dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
	dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
	dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
	pp_character instead of pp_string for single letter printing.

2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* doc/extend.texi: Fix '#pragma GCC option' typo.

2009-01-02  Richard Guenther  <rguenther@suse.de>

	* doc/install.texi (--enable-checking): Mention different
	default for stage1.
	(--enable-stage1-checking): Document.

2009-01-01  Andrew Pinski  <pinskia@gmail.com>

	PR middle-end/30142
	* tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
	case to be an error.

2009-01-02  Ben Elliston  <bje@au.ibm.com>

	* config/fp-bit.h (pack_d): Constify argument.
	* config/fp-bit.c (makenan): Constify return type. Remove casts.
	(isnan): Constify argument.
	(isinf): Likewise.
	(iszero): Likewise.
	(pack_d): Likewise.
	(_fpadd_parts): Constify return type.
	(_fpmul_parts): Likewise.
	(_fpdiv_parts): Likewise.

2009-01-01  Jakub Jelinek  <jakub@redhat.com>

	PR c/36489
	* c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
	warn about overwriting initializer with side-effects or
	-Woverride-init if !IMPLICIT.
	(output_init_element): Likewise.  Pass IMPLICIT down to
	add_pending_init.
	(process_init_element): Add IMPLICIT argument.  Pass it down
	to output_init_element.
	(push_init_element, pop_init_level, set_designator): Adjust
	process_init_element callers.
	(set_nonincremental_init, set_nonincremental_init_from_string):
	Adjust add_pending_init callers.
	(output_pending_init_elements): Adjust output_init_element callers.
	* c-tree.h (process_init_element): Adjust prototype.
	* c-parser.c (c_parser_initelt, c_parser_initval): Adjust
	process_init_element callers.