gcc/testsuite/gcc.target/i386/avx-vptest-5.c


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/* { dg-do compile } */
/* { dg-options "-O2 -mavx" } */

typedef long long __m256i __attribute__ ((__vector_size__ (32)));

int foo (__m256i x, __m256i y)
{
  __m256i a = x & ~y;
  return !__builtin_ia32_ptestz256 (a, a);
}

int bar (__m256i x, __m256i y)
{
  __m256i a = ~x & y;
  return !__builtin_ia32_ptestz256 (a, a);
}

/* { dg-final { scan-assembler-times "vptest\[ \\t\]+%" 2} } */
/* { dg-final { scan-assembler-times "setnc" 2 } } */
/* { dg-final { scan-assembler-not "vpandn" } } */
/* { dg-final { scan-assembler-not "setne" } } */