glibc/sysdeps/x86_64/multiarch/varshift.c
Noah Goldstein fc54e1fae8 x86: Align varshift table to 32-bytes
This ensures the load will never split a cache line.

(cherry picked from commit 0f91811333)
2022-07-18 20:45:21 -07:00

27 lines
1.1 KiB
C

/* Helper for variable shifts of SSE registers.
Copyright (C) 2010-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <stdint.h>
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
};