mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 13:00:06 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
/* Test case for preserved AVX registers in dynamic linker.
|
|
Copyright (C) 2009-2019 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
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <cpuid.h>
|
|
|
|
int tst_audit4_aux (void);
|
|
|
|
static int
|
|
avx_enabled (void)
|
|
{
|
|
unsigned int eax, ebx, ecx, edx;
|
|
|
|
if (__get_cpuid (1, &eax, &ebx, &ecx, &edx) == 0
|
|
|| (ecx & (bit_AVX | bit_OSXSAVE)) != (bit_AVX | bit_OSXSAVE))
|
|
return 0;
|
|
|
|
/* Check the OS has AVX and SSE saving enabled. */
|
|
asm ("xgetbv" : "=a" (eax), "=d" (edx) : "c" (0));
|
|
|
|
return (eax & 6) == 6;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
/* Run AVX test only if AVX is supported. */
|
|
if (avx_enabled ())
|
|
return tst_audit4_aux ();
|
|
else
|
|
return 77;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../../test-skeleton.c"
|