glibc/SOURCES/glibc-RHEL-15696-27.patch

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2024-05-22 13:49:58 +00:00
From 6ea916adfa0ab9af6e7dc6adcf6f977dfe017835 Mon Sep 17 00:00:00 2001
From: Alice Xu <alice.d.xu@gmail.com>
Date: Fri, 7 May 2021 19:03:21 -0700
Subject: [PATCH] x86-64: Fix an unknown vector operation in memchr-evex.S
Content-type: text/plain; charset=UTF-8
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>
---
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 81d5cd64..f3fdad4f 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
--
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