From: Uros Bizjak <ubizjak@gmail.com>
Date: Fri, 1 Jul 2022 15:25:03 +0000 (+0200)
Subject: i386: Use "r" constraint in *andn<mode>3_doubleword_bmi
X-Git-Tag: basepoints/gcc-14~5812
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f843bea4ca5613cb713f8b9313daa3938f254a05;p=thirdparty%2Fgcc.git

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 --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"