update to glibc-2.28-251.2.src.rpm

Signed-off-by: Zhao Hang <wb-zh951434@alibaba-inc.com>

glibc-RHEL-15696-27.patch

@@ -0,0 +1,30 @@
+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
+-- 
+GitLab
+