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* [gcc r13-1395] i386: Use "r" constraint in *andn<mode>3_doubleword_bmi
@ 2022-07-01 15:26 Uros Bizjak
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From: Uros Bizjak @ 2022-07-01 15:26 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:f843bea4ca5613cb713f8b9313daa3938f254a05
commit r13-1395-gf843bea4ca5613cb713f8b9313daa3938f254a05
Author: Uros Bizjak <ubizjak@gmail.com>
Date: Fri Jul 1 17:25:03 2022 +0200
i386: Use "r" constraint in *andn<mode>3_doubleword_bmi
ANDN is non-destructive, so use "r" instead of "0" for its operand 1 constraint.
2022-07-01 Uroš Bizjak <ubizjak@gmail.com>
gcc/ChangeLog:
* config/i386/i386.md (*andn<mode>3_doubleword_bmi):
Use "r" constraint for operand 1.
Diff:
---
gcc/config/i386/i386.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 352a21c585c..20c3b9a4122 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -10407,7 +10407,7 @@
(define_insn_and_split "*andn<mode>3_doubleword_bmi"
[(set (match_operand:<DWI> 0 "register_operand" "=r")
(and:<DWI>
- (not:<DWI> (match_operand:<DWI> 1 "register_operand" "0"))
+ (not:<DWI> (match_operand:<DWI> 1 "register_operand" "r"))
(match_operand:<DWI> 2 "nonimmediate_operand" "ro")))
(clobber (reg:CC FLAGS_REG))]
"TARGET_BMI"
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