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* [gcc r12-3162] [i386] Set all_regs to true in the call to replace_rtx [PR102057]
@ 2021-08-26 15:27 Uros Bizjak
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From: Uros Bizjak @ 2021-08-26 15:27 UTC (permalink / raw)
  To: gcc-cvs

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"


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