gcc/testsuite/gcc.target/i386/avx512dq-vreducesd-1.c

/* { dg-do compile } */
/* { dg-options "-mavx512dq -O2" } */
/* { dg-final { scan-assembler-times "vreducesd\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)" 1 } } */

/* { dg-final { scan-assembler-times "vreducesd\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\]*%xmm\[0-9\]+\[^\n\]*%xmm\[0-9\]+(?:\n|\[ \\t\]+#)"  1 } } */
/* { dg-final { scan-assembler-times "vreducesd\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\]*%xmm\[0-9\]+\[^\n\]*%xmm\[0-9\]+\{%k\[1-7\]\}(?:\n|\[ \\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vreducesd\[ \\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\]*%xmm\[0-9\]+\[^\n\]*%xmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 1 } } */


#include <immintrin.h>

#define IMM 123

volatile __m128d x1, x2;
volatile __mmask8 m;

void extern
avx512dq_test (void)
{
  x1 = _mm_reduce_sd (x1, x2, IMM);

  x1 = _mm_mask_reduce_sd(x1, m, x1, x2, IMM);

  x1 = _mm_maskz_reduce_sd(m, x1, x2, IMM);
}