Viewing file:  avx-vzeroupper-1.c (1.66 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target avx } */
/* { dg-options "-O2 -mavx -mtune=generic" } */
#include "avx-check.h"
#ifdef __x86_64__
#define LEN 16
#else
#define LEN 8
#endif
static void
avx_test (void)
{
__m256i src;
char reg_save[LEN][32];
int i, j;
int s[8] = {1, 2, 3, 4, 5, 6, 7, 8};
int d[8] = {11, 22, 33, 44, 55, 66, 77, 88};
__builtin_memset (reg_save, -1, sizeof reg_save);
src = _mm256_loadu_si256 ((__m256i*) s);
_mm256_zeroupper ();
__asm__ __volatile__ ("vmovdqu %%ymm0,%0":"=m"(reg_save[0]));
__asm__ __volatile__ ("vmovdqu %%ymm1,%0":"=m"(reg_save[1]));
__asm__ __volatile__ ("vmovdqu %%ymm2,%0":"=m"(reg_save[2]));
__asm__ __volatile__ ("vmovdqu %%ymm3,%0":"=m"(reg_save[3]));
__asm__ __volatile__ ("vmovdqu %%ymm4,%0":"=m"(reg_save[4]));
__asm__ __volatile__ ("vmovdqu %%ymm5,%0":"=m"(reg_save[5]));
__asm__ __volatile__ ("vmovdqu %%ymm6,%0":"=m"(reg_save[6]));
__asm__ __volatile__ ("vmovdqu %%ymm7,%0":"=m"(reg_save[7]));
#ifdef __x86_64__
__asm__ __volatile__ ("vmovdqu %%ymm8,%0":"=m"(reg_save[8]));
__asm__ __volatile__ ("vmovdqu %%ymm9,%0":"=m"(reg_save[9]));
__asm__ __volatile__ ("vmovdqu %%ymm10,%0":"=m"(reg_save[10]));
__asm__ __volatile__ ("vmovdqu %%ymm11,%0":"=m"(reg_save[11]));
__asm__ __volatile__ ("vmovdqu %%ymm12,%0":"=m"(reg_save[12]));
__asm__ __volatile__ ("vmovdqu %%ymm13,%0":"=m"(reg_save[13]));
__asm__ __volatile__ ("vmovdqu %%ymm14,%0":"=m"(reg_save[14]));
__asm__ __volatile__ ("vmovdqu %%ymm15,%0":"=m"(reg_save[15]));
#endif
for (i = 0; i < LEN; i++)
for (j = 16; j < 32; j++)
if (reg_save[i][j])
abort ();
_mm256_storeu_si256 ((__m256i*) d, src);
}
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