gcc/testsuite/gcc.target/i386/avx512vl-vpcompressb-1.c

/* { dg-do compile } */
/* { dg-options "-mavx512vl -mavx512vbmi2 -mavx512bw -O2" } */
/* { dg-final { scan-assembler-times "vpcompressb\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpcompressb\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpcompressb\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpcompressb\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpcompressb\[ \\t\]+\[^\{\n\]*%ymm\[0-9\]+\[^\n\]*\\)\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vpcompressb\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\]*\\)\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */

#include <immintrin.h>

int *p;
volatile __m256i x1;
volatile __m128i x2;
volatile __mmask16 m16;
volatile __mmask32 m32;

void extern
avx512vl_test (void)
{
  x1 = _mm256_mask_compress_epi8 (x1, m32, x1);
  x2 = _mm_mask_compress_epi8 (x2, m16, x2);

  x1 = _mm256_maskz_compress_epi8 (m32, x1);
  x2 = _mm_maskz_compress_epi8 (m16, x2);

  _mm256_mask_compressstoreu_epi8 (p, m32, x1);
  _mm_mask_compressstoreu_epi8 (p, m16, x2);
}