gcc/testsuite/gcc.target/i386/avx512bw-vpmaxsb-1.c

/* { dg-do compile } */
/* { dg-options "-mavx512bw -mavx512vl -O2" } */
/* { dg-final { scan-assembler-times "vpmaxsb\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+(?:\n|\[ \\t\]+#)"  1 } } */
/* { dg-final { scan-assembler-times "vpmaxsb\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpmaxsb\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpmaxsb\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpmaxsb\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpmaxsb\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpmaxsb\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */

#include <immintrin.h>

volatile __m512i x;
volatile __m256i y;
volatile __m128i z;
volatile __mmask32 mx;
volatile __mmask16 my;
volatile __mmask8 mz;

void extern
avx512bw_test (void)
{
  x = _mm512_max_epi8 (x, x);
  x = _mm512_mask_max_epi8 (x, mx, x, x);
  x = _mm512_maskz_max_epi8 (mx, x, x);
  y = _mm256_mask_max_epi8 (y, my, y, y);
  y = _mm256_maskz_max_epi8 (my, y, y);
  z = _mm_mask_max_epi8 (z, mz, z, z);
  z = _mm_maskz_max_epi8 (mz, z, z);
}