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m68k.c (notice_update_cc): Tighten condition for setting CC_REVERSED for FP comparisons.

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gcc/
	* config/m68k/m68k.c (notice_update_cc): Tighten condition for
	setting CC_REVERSED for FP comparisons.

From-SVN: r180383
This commit is contained in:
Julian Brown 2011-10-24 13:47:09 +00:00 • committed by Julian Brown
parent 0a500dd3ac
commit 695074beca
2 changed files with 7 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-10-24 Julian Brown <julian@codesourcery.com>
* config/m68k/m68k.c (notice_update_cc): Tighten condition for
setting CC_REVERSED for FP comparisons.
2011-10-24 Richard Guenther <rguenther@suse.de>
PR tree-optimization/50838

3
gcc/config/m68k/m68k.c
View file

@ -4206,7 +4206,8 @@ notice_update_cc (rtx exp, rtx insn)
&& GET_MODE_CLASS (GET_MODE (XEXP (cc_status.value2, 0))) == MODE_FLOAT)
{
cc_status.flags = CC_IN_68881;
if (!FP_REG_P (XEXP (cc_status.value2, 0)))
if (!FP_REG_P (XEXP (cc_status.value2, 0))
&& FP_REG_P (XEXP (cc_status.value2, 1)))
cc_status.flags |= CC_REVERSED;
}
}