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re PR rtl-optimization/44722 (Bootstrap fails during libjava)

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2010-06-30  Richard Guenther  <rguenther@suse.de>

	PR target/44722
	* config/i386/i386.md (peephole2 for fix:SSEMODEI24): Guard
	against oscillation with reverse peephole2.

From-SVN: r161597
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Richard Guenther 2010-06-30 11:09:37 +00:00 committed by Richard Biener
parent ed1db00021
commit 501d1a703a
2 changed files with 7 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2010-06-30 Richard Guenther <rguenther@suse.de>
PR target/44722
* config/i386/i386.md (peephole2 for fix:SSEMODEI24): Guard
against oscillation with reverse peephole2.
2010-06-30 H.J. Lu <hongjiu.lu@intel.com>
PR target/44721

1
gcc/config/i386/i386.md
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@ -4729,6 +4729,7 @@
(set (match_operand:SSEMODEI24 2 "register_operand" "")
(fix:SSEMODEI24 (match_dup 0)))]
"TARGET_SHORTEN_X87_SSE
&& !(TARGET_AVOID_VECTOR_DECODE && optimize_insn_for_speed_p ())
&& peep2_reg_dead_p (2, operands[0])"
[(set (match_dup 2) (fix:SSEMODEI24 (match_dup 1)))]
"")