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


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/* { dg-do compile } */
/* { dg-options "-mavx512vl -mavx512cd  -O2" } */
/* { dg-final { scan-assembler-times "vplzcntq\[ \\t\]+\[^\n\]*%ymm\[0-9\]" 3 } } */
/* { dg-final { scan-assembler-times "vplzcntq\[ \\t\]+\[^\n\]*%ymm\[0-9\]\{%k\[1-7\]\}\[^\{\]" 1 } } */
/* { dg-final { scan-assembler-times "vplzcntq\[ \\t\]+\[^\n\]*%ymm\[0-9\]\{%k\[1-7\]\}\{z\}" 1 } } */
/* { dg-final { scan-assembler-times "vplzcntq\[ \\t\]+\[^\n\]*%xmm\[0-9\]" 3 } } */
/* { dg-final { scan-assembler-times "vplzcntq\[ \\t\]+\[^\n\]*%xmm\[0-9\]\{%k\[1-7\]\}\[^\{\]" 1 } } */
/* { dg-final { scan-assembler-times "vplzcntq\[ \\t\]+\[^\n\]*%xmm\[0-9\]\{%k\[1-7\]\}\{z\}" 1 } } */

#include <immintrin.h>

volatile __m256i s;
volatile __m256i res;
volatile __m128i s2;
volatile __m128i res2;

void extern
avx512vl_test (void)
{
  res = _mm256_lzcnt_epi64 (s);
  res = _mm256_maskz_lzcnt_epi64 (2, s);
  res = _mm256_mask_lzcnt_epi64 (res, 2, s);
  res2 = _mm_lzcnt_epi64 (s2);
  res2 = _mm_maskz_lzcnt_epi64 (2, s2);
  res2 = _mm_mask_lzcnt_epi64 (res2, 2, s2);
}