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From: H.J. Lu <hjl@sourceware.org>
To: glibc-cvs@sourceware.org
Subject: [glibc/release/2.30/master] x86-64: Fix an unknown vector operation
 in memchr-evex.S
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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6b4f9a4acc71a5e8f379701d7fb8bd951bf7eca3

commit 6b4f9a4acc71a5e8f379701d7fb8bd951bf7eca3
Author: Alice Xu <alice.d.xu@gmail.com>
Date:   Fri May 7 19:03:21 2021 -0700

    x86-64: Fix an unknown vector operation in memchr-evex.S
    
    An unknown vector operation occurred in commit 2a76821c308. Fixed it
    by using "ymm{k1}{z}" but not "ymm {k1} {z}".
    
    Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
    (cherry picked from commit 6ea916adfa0ab9af6e7dc6adcf6f977dfe017835)

Diff:
---
 sysdeps/x86_64/multiarch/memchr-evex.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/x86_64/multiarch/memchr-evex.S b/sysdeps/x86_64/multiarch/memchr-evex.S
index 81d5cd6486..f3fdad4fda 100644
--- a/sysdeps/x86_64/multiarch/memchr-evex.S
+++ b/sysdeps/x86_64/multiarch/memchr-evex.S
@@ -271,7 +271,7 @@ L(loop_4x_vec):
 	vpxorq	(VEC_SIZE * 6)(%rdi), %YMMMATCH, %YMM3
 	VPCMP	$0, (VEC_SIZE * 7)(%rdi), %YMMMATCH, %k3
 	/* Reduce VEC2 / VEC3 with min and VEC1 with zero mask.  */
-	VPMINU	%YMM2, %YMM3, %YMM3 {%k1} {z}
+	VPMINU	%YMM2, %YMM3, %YMM3{%k1}{z}
 	VPCMP	$0, %YMM3, %YMMZERO, %k2
 # ifdef USE_AS_RAWMEMCHR
 	subq	$-(VEC_SIZE * 4), %rdi