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  1. 27 Aug, 2011 4 commits
    • rtl.texi (simple_return): Document. · 26898771 
      	* doc/rtl.texi (simple_return): Document.
	(parallel, PATTERN): Here too.
	* doc/md.texi (return): Mention it's allowed to expand to simple_return
	in some cases.
	(simple_return): Document standard pattern.
	* gengenrtl.c (special_rtx): SIMPLE_RETURN is special.
	* final.c (final_scan_insn): Use ANY_RETURN_P on body.
	* reorg.c (function_return_label, function_simple_return_label):
	New static variables, replacing...
	(end_of_function_label): ... this.
	(simplejump_or_return_p): New static function.
	(optimize_skip, steal_delay_list_from_fallthrough,
	fill_slots_from_thread): Use it.
	(relax_delay_slots): Likewise.  Use ANY_RETURN_P on body.
	(rare_destination, follow_jumps): Use ANY_RETURN_P on body.
	(find_end_label): Take a new arg which is one of the two return
	rtxs.  Depending on which, set either function_return_label or
	function_simple_return_label.  All callers changed.
	(make_return_insns): Make both kinds.
	(dbr_schedule): Adjust for two kinds of end labels.
	* function.c (emit_return_into_block): Set JUMP_LABEL properly.
	* genemit.c (gen_exp): Handle SIMPLE_RETURN.
	(gen_expand, gen_split): Use ANY_RETURN_P.
	* df-scan.c (df_uses_record): Handle SIMPLE_RETURN.
	* rtl.def (SIMPLE_RETURN): New code.
	* ifcvt.c (find_if_case_1): Be more careful about
	redirecting jumps to the EXIT_BLOCK.
	* jump.c (condjump_p, condjump_in_parallel_p, any_condjump_p,
	returnjump_p_1): Handle SIMPLE_RETURNs.
	* print-rtl.c (print_rtx): Likewise.
	* rtl.c (copy_rtx): Likewise.
	* bt-load.c (compute_defs_uses_and_gen): Use ANY_RETURN_P.
	* combine.c (simplify_set): Likewise.
	* resource.c (find_dead_or_set_registers, mark_set_resources):
	Likewise.
	* emit-rtl.c (verify_rtx_sharing, classify_insn, copy_insn_1,
	copy_rtx_if_shared_1, mark_used_flags): Handle SIMPLE_RETURNs.
	(init_emit_regs): Initialize simple_return_rtx.
	* cfglayout.c (fixup_reorder_chain): Pass a JUMP_LABEL to
	force_nonfallthru_and_redirect.
	* rtl.h (ANY_RETURN_P): Allow SIMPLE_RETURN.
	(GR_SIMPLE_RETURN): New enum value.
	(simple_return_rtx): New macro.
	* basic-block.h (force_nonfallthru_and_redirect): Adjust
	declaration.
	* cfgrtl.c (force_nonfallthru_and_redirect): Take a new jump_label
	argument.  All callers changed.  Be careful about what kinds of
	returnjumps to generate.
	* config/i386/3i86.c (ix86_pad_returns, ix86_count_insn_bb,
	ix86_pad_short_function): Likewise.
	* config/arm/arm.c (arm_final_prescan_insn): Handle both kinds
	of return.
	* config/mips/mips.md (any_return): New code_iterator.
	(optab): Add cases for return and simple_return.
	(return): Expand to a simple_return.
	(simple_return): New pattern.
	(*<optab>, *<optab>_internal for any_return): New patterns.
	(return_internal): Remove.
	* config/mips/mips.c (mips_expand_epilogue): Make the last insn
	a simple_return_internal.

From-SVN: r178135
      Bernd Schmidt committed
    • sse.md (*absneg<mode>2): Fix split condition. · 3b0eee5d 
      	* config/i386/sse.md (*absneg<mode>2): Fix split condition.
	(vec_extract_lo_<mode>): Prevent both operands in memory.
	(vec_extract_lo_v16hi): Ditto.
	(*vec_extract_v4sf_mem): Add TARGET_SSE insn constraint.

	* config/i386/sse.md (mulv16qi3): Attach REG_EQUAL note.
	(*sse2_mulv4si3): Ditto.
	(mulv2di3): Ditto.
	* config/i386/i386.c (legitimize_tls_address): Change REG_EQIV
	notes to REG_EQUAL.

From-SVN: r178132
      Uros Bizjak committed
    • re PR target/50202 (ICE: in final_scan_insn, at final.c:2709 (could not split… · b807694e 
      re PR target/50202 (ICE: in final_scan_insn, at final.c:2709 (could not split insn) with __builtin_ia32_pcmpistri128)

	PR target/50202
	* config/i386/sse.md (sse4_2_pcmpestr): Emit NOTE_INSN_DELETED note
	when all outputs are unused.
	(sse4_2_pcmpestr): Ditto.

testsuite/ChangeLog:

	PR target/50202
	* gcc.target/i386/pr50202.c: New test.

From-SVN: r178130
      Uros Bizjak committed
    • Daily bump. · 851018fb 
      From-SVN: r178129
      GCC Administrator committed
  3. 26 Aug, 2011 20 commits
  5. 25 Aug, 2011 16 commits