commit fc54e1fae854e6ee6361cd4ddf900c36fce8158e
Author: Noah Goldstein <goldstein.w.n@gmail.com>
Date:   Wed Jun 8 21:16:51 2022 -0700

    x86: Align varshift table to 32-bytes
    
    This ensures the load will never split a cache line.
    
    (cherry picked from commit 0f91811333f23b61cf681cab2704b35a0a073b97)

diff --git a/sysdeps/x86_64/multiarch/varshift.c b/sysdeps/x86_64/multiarch/varshift.c
index 45267b0a6823459a..1f563542666bc4f1 100644
--- a/sysdeps/x86_64/multiarch/varshift.c
+++ b/sysdeps/x86_64/multiarch/varshift.c
@@ -16,9 +16,10 @@
    License along with the GNU C Library; if not, see
    <https://www.gnu.org/licenses/>.  */
 
-#include "varshift.h"
+#include <stdint.h>
 
-const int8_t ___m128i_shift_right[31] attribute_hidden =
+const int8_t ___m128i_shift_right[31] attribute_hidden
+    __attribute__((aligned(32))) =
   {
     0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
     -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
diff --git a/sysdeps/x86_64/multiarch/varshift.h b/sysdeps/x86_64/multiarch/varshift.h
index 32f2173dd2a95b3a..745d48fa7c775136 100644
--- a/sysdeps/x86_64/multiarch/varshift.h
+++ b/sysdeps/x86_64/multiarch/varshift.h
@@ -19,7 +19,8 @@
 #include <stdint.h>
 #include <tmmintrin.h>
 
-extern const int8_t ___m128i_shift_right[31] attribute_hidden;
+extern const int8_t ___m128i_shift_right[31] attribute_hidden
+    __attribute__ ((aligned (32)));
 
 static __inline__ __m128i
 __m128i_shift_right (__m128i value, unsigned long int offset)