gcc/testsuite/gcc.target/i386/avx512bw-knotq-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-mavx512bw -O2" } */
   3 /* { dg-final { scan-assembler-times "knotq\[ \\t\]+\[^\{\n\]*%k\[0-7\](?:\n|\[ \\t\]+#)" 1 } } */
   4
   5 #include <immintrin.h>
   6
   7 void
   8 avx512bw_test ()
   9 {
  10   __mmask64 k1, k2;
  11   volatile __m512i x = _mm512_setzero_si512 ();
  12
  13   __asm__( "kmovq %1, %0" : "=k" (k1) : "r" (45) );
  14
  15   k2 = _knot_mask64 (k1);
  16   x = _mm512_mask_add_epi8 (x, k1, x, x);
  17   x = _mm512_mask_add_epi8 (x, k2, x, x);
  18 }