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[i386] Set all_regs to true in the call to replace_rtx [PR102057]

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We want to replace all REGs equal to FROM.

2021-08-26  Uroš Bizjak  <ubizjak@gmail.com>

gcc/
	PR target/102057
	* config/i386/i386.md (cmove reg-reg move elimination peephole2s):
	Set all_regs to true in the call to replace_rtx.
This commit is contained in:
Uros Bizjak 2021-08-26 17:26:06 +02:00
parent e28ac73af2
commit 226eb7ff5d
1 changed files with 4 additions and 4 deletions
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8
gcc/config/i386/i386.md
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@ -19475,8 +19475,8 @@
(match_dup 0)))]
{
operands[7] = SET_DEST (XVECEXP (PATTERN (peep2_next_insn (1)), 0, 0));
operands[8] = replace_rtx (operands[5], operands[0], operands[1]);
operands[9] = replace_rtx (operands[6], operands[0], operands[1]);
operands[8] = replace_rtx (operands[5], operands[0], operands[1], true);
operands[9] = replace_rtx (operands[6], operands[0], operands[1], true);
})
;; Eliminate a reg-reg mov by inverting the condition of a cmov (#2).
@ -19507,8 +19507,8 @@
(match_dup 0)))]
{
operands[7] = SET_DEST (XVECEXP (PATTERN (peep2_next_insn (2)), 0, 0));
operands[8] = replace_rtx (operands[5], operands[0], operands[1]);
operands[9] = replace_rtx (operands[6], operands[0], operands[1]);
operands[8] = replace_rtx (operands[5], operands[0], operands[1], true);
operands[9] = replace_rtx (operands[6], operands[0], operands[1], true);
})
(define_expand "mov<mode>cc"