sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge only if producer writes to the register given by regno.

2011-08-11  Sergey Grechanik  <mouseentity@ispras.ru>

	* sel-sched-ir.c (has_dependence_note_reg_use): Call ds_full_merge
	only if producer writes to the register given by regno.

From-SVN: r177658

2011-08-11  Sergey Grechanik  <mouseentity@ispras.ru>
	    Alexander Monakov  <amonakov@ispras.ru>

	* sched-deps.c (sched_get_condition_with_rev): Rename to ...
	(sched_get_condition_with_rev_uncached): ... this.  Factor out
	condition caching logic into ...
	(sched_get_condition_with_rev): ... this.  Reimplement.  Do not
	attempt to use cache for instructions with zero luid.
	(sched_analyze_insn): Use INSN_CACHED_COND instead of INSN_COND.
	* sched-int.h (INSN_COND): Rename to INSN_CACHED_COND.


Co-Authored-By: Alexander Monakov <amonakov@ispras.ru>

From-SVN: r177657

2011-08-11  Sergey Grechanik  <mouseentity@ispras.ru>

	* sel-sched-ir.c (get_seqno_of_a_pred): Rename to
	get_seqno_for_a_jump.  Update the caller.
	(get_seqno_by_succs): New.  Use it ...
	(get_seqno_for_a_jump): ... here to find a seqno if looking at
	predecessors was not sufficient.
	(get_seqno_by_preds): Include head in iteration range, exclude insn.

From-SVN: r177656

2011-08-11  Dmitry Melnik  <dm@ispras.ru>

	* sel-sched-ir.c (invalidate_av_set): Remove the assert.

From-SVN: r177655

2011-08-11  Sergey Grechanik  <mouseentity@ispras.ru>

	* sel-sched-ir.h (register_unavailable_p): Declare.
	* sel-sched-ir.c (register_unavailable_p): New.  Use it...
	(set_unavailable_target_for_expr): ... here to properly test
	availability of a register.
	(speculate_expr): Ditto.
	* sel-sched.c (substitute_reg_in_expr): Ditto.
	(av_set_could_be_blocked_by_bookkeeping_p): Ditto.

From-SVN: r177654

2011-08-11  Sergey Grechanik  <mouseentity@ispras.ru>

	* sel-sched.c (verify_target_availability): Fix usage of
	hard_regno_nregs.

From-SVN: r177653

sel-sched-ir.c (init_global_and_expr_for_insn): Forbid copying of recognized by cannot_copy_insn_p hook and volatile instructions.

2011-08-11  Dmitry Melnik  <dm@ispras.ru>

	* sel-sched-ir.c (init_global_and_expr_for_insn): Forbid copying of
	recognized by cannot_copy_insn_p hook and volatile instructions.

From-SVN: r177652

2011-08-11  Dmitry Melnik  <dm@ispras.ru>

	* sel-sched-ir.c (merge_expr_data): Take maximum spec.

From-SVN: r177651

2011-08-11  Martin Jambor  <mjambor@suse.cz>

lto/
	* lto.c (uniquify_nodes): Use main variant's BINFO too.

From-SVN: r177650

gcc/
	* doc/md.texi (define_bypass): Say that the instruction names can
	be filename-style globs.
	* Makefile.in (FNMATCH_H): Define.
	(build/genattrtab.o, build/genautomata.o): Depend on $(FNMATCH_H).
	* genattrtab.c: Include fnmatch.h.
	(bypass_list): Change field name from "insn" to "pattern".
	(gen_bypass_1): Update accordingly.
	(process_bypasses): Use fnmatch to check for matches between
	insn reservations and define_bypasses.
	* genautomata.c: Include fnmatch.h.
	(bypass_decl): Rename in_insn_name and out_insn_name to in_pattern
	and out_pattern respectively.
	(gen_bypass, insert_bypass): Update accordingly.
	(for_each_matching_insn, process_bypass_2, process_bypass_1)
	(process_bypass): New functions.
	(process_decls): Use process_bypass.  Update after field name changes.

From-SVN: r177649

	
	PR target/49687
	* config/avr/avr.md (smulqi3_highpart): New insn.
	(umulqi3_highpart): New insn.
	(*subqi3.ashiftrt7): New insn.
	(smulhi3_highpart): New expander.
	(umulhi3_highpart): Nex expander.
	(*smulhi3_highpart_call): New insn.
	(*umulhi3_highpart_call): New insn.
	(extend_u): New code attribute.
	(extend_prefix): Rename code attribute to extend_su.
	* config/avr/avr.c (avr_rtx_costs): Report costs of highpart of
	widening QI/HI multiply.

From-SVN: r177648

        PR tree-optimization/50039
        * tree-vect-patterns.c (vect_operation_fits_smaller_type): Check
        that DEF_STMT has a stmt_vec_info.

From-SVN: r177647

From-SVN: r177642

2011-08-10  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/sse4_1-blendps-2.c: Include <stdlib.h>.
	(sse4_1_test): Initialize src3 with random value.

From-SVN: r177628

2011-08-10  Richard Guenther  <rguenther@suse.de>

	* tree.h (can_trust_pointer_alignment): Remove.
	* builtins.c (can_trust_pointer_alignment): Remove.

	cp/
	* call.c (build_over_call): Call memcpy unconditionally.

From-SVN: r177625

2011-08-10  Artjoms Sinkarovs <artyom.shinakroff@gmail.com>

	* c-typeck.c (scalar_to_vector): New function. Try scalar to
	vector conversion.
	(stv_conv): New enum for scalar_to_vector return type.
	(build_binary_op): Adjust.
	* doc/extend.texi: Description of scalar to vector expansion.

	c-family/
	* c-common.c (unsafe_conversion_p): New function. Check if it is
	unsafe to convert an expression to the type.
	(conversion_warning): Adjust, use unsafe_conversion_p.
	* c-common.h (unsafe_conversion_p): New function declaration.

	testsuite/
	* gcc.c-torture/execute/scal-to-vec1.c: New test.
	* gcc.c-torture/execute/scal-to-vec2.c: New test.
	* gcc.c-torture/execute/scal-to-vec3.c: New test.
	* gcc.dg/scal-to-vec1.c: New test.
	* gcc.dg/scal-to-vec2.c: New test.

From-SVN: r177622

2011-08-10  Richard Guenther  <rguenther@suse.de>

	* tree.h (get_pointer_alignment): Remove max-align argument.
	(get_object_alignment): Likewise.
	* builtins.c (get_object_alignment_1): Adjust.
	(get_object_alignment): Remove max-align argument.
	(get_pointer_alignment): Likewise.
	(expand_builtin_strlen): Adjust.
	(expand_builtin_memcpy): Likewise.
	(expand_builtin_mempcpy_args): Likewise.
	(expand_builtin_strncpy): Likewise.
	(expand_builtin_memset_args): Likewise.
	(expand_builtin_memcmp): Likewise.
	(expand_builtin_strcmp): Likewise.
	(expand_builtin_strncmp): Likewise.
	(get_builtin_sync_mem): Likewise.
	(fold_builtin_memset): Likewise.
	(fold_builtin_memory_op): Likewise.
	(expand_builtin_memory_chk): Likewise.
	* emit-rtl.c (get_mem_align_offset): Likewise.
	(set_mem_attributes_minus_bitpos): Likewise.
	* expr.c (expand_assignment): Likewise.
	(expand_expr_real_1): Likewise.
	* tree-sra.c (tree_non_mode_aligned_mem_p): Likewise.
	* tree-ssa-forwprop.c (simplify_builtin_call): Likewise.
	* tree-ssa-loop-ivopts.c (may_be_unaligned_p): Likewise.
	* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Likewise.
	* value-prof.c (gimple_stringops_transform): Likewise.

From-SVN: r177620

gcc/
2011-08-10  Paulo J. Matos  <paulo.matos@csr.com>

	* doc/tm.texi.in (CLASS_MAX_NREGS): Fix typo.
	* doc/tm.texi: Regenerate.

From-SVN: r177619

	
	PR target/29560
	* config/avr/avr.md (*ashlhiqi3): New insn-and-split.
	(*ashl<extend_prefix>qihiqi3): New insn-and-splits.
	(*ashl<extend_prefix>qihiqi3.mem): New insn-and-splits.
	Add peephole2 to map ashlhi3 to ashlqi3 if high part of
	shift target is unused.

From-SVN: r177616

2011-08-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49937
	* tree-ssa-ccp.c (get_value_from_alignment): Re-implement
	using get_object_alignment_1.

From-SVN: r177615

2011-08-10  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/49907
	lto-plugin/
	* configure.ac: Use ACX_PROG_CC_WARNING_OPTS to detect -Wall presence.
	* Makefile.am (AM_CFLAGS): Adjust.  Do not build with -Werror.
	* configure: Regenerate.
	* Makefile.in: Likewise.
	* aclocal.m4: Likewise.

From-SVN: r177614

2011-08-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Marc Glisse  <marc.glisse@normalesup.org>

	PR libstdc++-v3/1773
	* inclhack.def (solaris_cxx_linkage, solaris_getc_strict_stdc)
	(solaris_longjmp_noreturn, solaris_pow_int_overload)
	(solaris_std___filbuf): New fixes.
	* tests/base/iso/math_iso.h, tests/base/iso/setjmp_iso.h,
	tests/base/iso/stdio_iso.h, tests/base/iso/stdlib_iso.h: New tests.
	* tests/base/stdio.h [SOLARIS_STD___FILBUF_CHECK]: New test.

Co-Authored-By: Marc Glisse <marc.glisse@normalesup.org>

From-SVN: r177613

	gcc/java:
	* jcf-dump.c (print_constant): Cast first frexp arg.

	libjava:
	* exception.cc (std::abort): Remove static.

From-SVN: r177612

	* config/i386/i386.md (lround<X87MODEF:mode><SWI248x:mode>2): Do not
	force operands[0] into a register.

From-SVN: r177611

From-SVN: r177610

	* config/i386/i386.c (ix86_emit_i387_round): New function.
	* config/i386/i386-protos.h (ix86_emit_i387_round): Declare.
	* config/i386/i386.md (round<mode>2): Use X87MODEF mode iterator.
	Use ix86_emit_i387_round to expand round function for i387 math.
	(lround<X87MODEF:mode><SWI248x:mode>2): Use X87MODEF mode iterator.
	Use ix86_emit_i387_round to expand {l,ll}round function for i387 math.

From-SVN: r177605

	gcc:
	* config/sync.c: Move to ../libgcc.
	* Makefile.in (libgcc.mvars): Remove LIBGCC_SYNC,
	LIBGCC_SYNC_CFLAGS.
	* config/mips/t-libgcc-mips16 (LIBGCC_SYNC, LIBGCC_SYNC_CFLAGS):
	Remove.

	libgcc:
	* sync.c: New file.
	* config/mips/t-mips16: New file.
	* config.host (mips64*-*-linux*): Add mips/t-mips16 to tmake_file.
	(mips*-*-linux*): Likewise.
	(mips*-sde-elf*): Likewise.
	(mipsisa32-*-elf*): Join with mipsisa32r2-*-elf*,
	mipsisa64-*-elf*, mipsisa64r2-*-elf*.
	Add mips/t-mips16 to tmake_file.
	(mipsisa64sb1-*-elf*): Add mips/t-mips16 to tmake_file.
	(mips-*-elf*): Likewise.
	(mips64-*-elf*): Likewise.
	(mips64orion-*-elf*): Likewise.
	(mips*-*-rtems*): Likewise.
	(mipstx39-*-elf*): Likewise.
	* Makefile.in: Use SYNC instead of LIBGCC_SYNC.
	($(libgcc-sync-size-funcs-o)): Use SYNC_CFLAGS instead of
	LIBGCC_SYNC_CFLAGS.
	Use $(srcdir) to refer to sync.c.
	Use $<.
	($(libgcc-sync-funcs-o)): Likewise.
	($(libgcc-sync-size-funcs-s-o)): Likewise.
	($(libgcc-sync-funcs-s-o)): Likewise.

From-SVN: r177601

	* config/mmix/mmix.h (REGISTER_MOVE_COST): Remove macro.
	* config/mmix/mmix-protos.h (mmix_register_move_cost): Remove.
	* config/mmix/mmix.c (mmix_register_move_cost): Make static.
	Change 'from' and 'to' arguments type to reg_class_t.
	(TARGET_REGISTER_MOVE_COST): Define.

From-SVN: r177600

2011-08-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/50026
	Revert:
	PR rtl-optimization/49990
	* ira-costs.c (print_allocno_costs, print_pseudo_costs): Don't
	ignore classes which can not change mode.
	(find_costs_and_classes): Ditto.

From-SVN: r177599

* config.host (ia64*-*-linux*): Move ia64/t-glibc after
t-libunwind.

From-SVN: r177598

tree-vrp.c (zero_nonzero_bits_from_vr): Also return precise information for ranges with only negative values.

2011-08-09  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (zero_nonzero_bits_from_vr): Also return precise
	information for ranges with only negative values.
	(extract_range_from_binary_expr_1): Adjust BIT_IOR_EXPR and
	BIT_AND_EXPR handling to handle ranges with negative values.

	* gcc.dg/tree-ssa/vrp57.c: Disable CCP.
	* gcc.dg/tree-ssa/vrp60.c: New testcase.
	* gcc.dg/tree-ssa/vrp61.c: Likewise.
	* gcc.dg/tree-ssa/vrp62.c: Likewise.

From-SVN: r177597

From-SVN: r177595

From-SVN: r177594

From-SVN: r177593

From-SVN: r177590

       * config/i386/i386.c: Remove traling spaces.
       * config/i386/sse.md: Likewise.
       (*fma_fmadd_<mode>): Update.
       (*fma_fmsub_<mode>): Likewise.
       (*fma_fnmadd_<mode>): Likewise.
       (*fma_fnmsub_<mode>): Likewise.

From-SVN: r177588

From-SVN: r177585

	* gcc.target/i386/sse-22a.c: New test.

From-SVN: r177584

	PR target/49781
	* config/i386/i386.md (reload_noff_load): New.
	(reload_noff_store): Ditto.
	* config/i386/i386.c (ix86_secondary_reload): Use
	CODE_FOR_reload_noff_load and CODE_FOR_reload_noff_store to handle
	double-word moves from/to non-offsetable addresses instead of
	generating XMM temporary.

From-SVN: r177583

	* config/mmix/mmix.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Remove.

From-SVN: r177582