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re PR rtl-optimization/39196 (ICE in copyprop_hardreg_forward_1, at regrename.c:1603 during libjava compile)

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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.

From-SVN: r144191
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H.J. Lu 2009-02-15 20:12:41 +00:00 • committed by H.J. Lu
parent bbcac3becb
commit 47f5a48f4a
2 changed files with 8 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
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.
2009-02-15 Richard Guenther <rguenther@suse.de>
Revert

3
gcc/config/i386/i386.md
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@ -20753,7 +20753,8 @@
[(match_dup 0)
(match_operand 2 "memory_operand" "")]))]
"operands[0] != operands[1]
&& (MMX_REG_P (operands[0]) || SSE_REG_P (operands[0]))"
&& ((MMX_REG_P (operands[0]) && MMX_REG_P (operands[1]))
|| (SSE_REG_P (operands[0]) && SSE_REG_P (operands[1])))"
[(set (match_dup 0) (match_dup 2))
(set (match_dup 0)
(match_op_dup 3 [(match_dup 0) (match_dup 1)]))]