gcc/testsuite/gcc.target/i386/avx512bw-vpmaddwd-3.c

   1 /* { dg-do assemble { target { avx512bw && { avx512vl && { ! ia32 } } } } } */
   2 /* { dg-options "-O2 -mavx512bw -mavx512vl" } */
   3
   4 #include <x86intrin.h>
   5
   6 void
   7 f1 (__m128i x, __m128i y)
   8 {
   9   register __m128i a __asm ("xmm16"), b __asm ("xmm17");
  10   a = x; b = y;
  11   asm volatile ("" : "+v" (a), "+v" (b));
  12   a = _mm_madd_epi16 (a, b);
  13   asm volatile ("" : "+v" (a));
  14 }
  15
  16 void
  17 f2 (__m256i x, __m256i y)
  18 {
  19   register __m256i a __asm ("xmm16"), b __asm ("xmm17");
  20   a = x; b = y;
  21   asm volatile ("" : "+v" (a), "+v" (b));
  22   a = _mm256_madd_epi16 (a, b);
  23   asm volatile ("" : "+v" (a));
  24 }