gcc/testsuite/gcc.target/i386/avx2-vpsubb-1.c


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/* { dg-do compile } */
/* { dg-options "-mavx2 -O2" } */
/* { dg-final { scan-assembler "vpsubb\[ \\t\]+\[^\n\]*%ymm\[0-9\]" } } */

#include <immintrin.h>

volatile __m256i x;

void extern
avx2_test (void)
{
  x = _mm256_sub_epi8 (x, x);
}