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From: Uros Bizjak <uros@gcc.gnu.org>
To: gcc-cvs@gcc.gnu.org
Subject: [gcc r12-3162] [i386] Set all_regs to true in the call to replace_rtx [PR102057]
Date: Thu, 26 Aug 2021 15:27:19 +0000 (GMT) [thread overview]
Message-ID: <20210826152719.98B273858402@sourceware.org> (raw)
https://gcc.gnu.org/g:226eb7ff5d73669184a4a56cd348fa6c46b3ec52
commit r12-3162-g226eb7ff5d73669184a4a56cd348fa6c46b3ec52
Author: Uros Bizjak <ubizjak@gmail.com>
Date: Thu Aug 26 17:26:06 2021 +0200
[i386] Set all_regs to true in the call to replace_rtx [PR102057]
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.
Diff:
---
gcc/config/i386/i386.md | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 41d85623ad6..c80dcb57a18 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -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"
reply other threads:[~2021-08-26 15:27 UTC|newest]
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