gcc/testsuite/gcc.target/i386/avx512f-vsubps-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mavx512f" } */
   3 /* { dg-final { scan-assembler-times "vsubps\[ \\t\]+\[^\n\]*%zmm\[0-9\]\[^\{\]" 6 } } */
   4 /* { dg-final { scan-assembler-times "vsubps\[ \\t\]+\[^\n\]*%zmm\[0-9\]\{%k\[1-7\]\}\[^\{\]" 2 } } */
   5 /* { dg-final { scan-assembler-times "vsubps\[ \\t\]+\[^\n\]*%zmm\[0-9\]\{%k\[1-7\]\}\{z\}" 2 } } */
   6 /* { dg-final { scan-assembler-times "vsubps\[ \\t\]+\[^\n\]*\{rn-sae\}\[^\n\]*%zmm\[0-9\]" 1 } } */
   7 /* { dg-final { scan-assembler-times "vsubps\[ \\t\]+\[^\n\]*\{ru-sae\}\[^\n\]*%zmm\[0-9\]\{%k\[1-7\]\}\[^\{\]" 1 } } */
   8 /* { dg-final { scan-assembler-times "vsubps\[ \\t\]+\[^\n\]*\{rz-sae\}\[^\n\]*%zmm\[0-9\]\{%k\[1-7\]\}\{z\}" 1 } } */
   9
  10 #include <immintrin.h>
  11
  12 volatile __m512 x;
  13 volatile __mmask16 m;
  14
  15 void extern
  16 avx512f_test (void)
  17 {
  18   x = _mm512_sub_ps (x, x);
  19   x = _mm512_mask_sub_ps (x, m, x, x);
  20   x = _mm512_maskz_sub_ps (m, x, x);
  21   x = _mm512_sub_round_ps (x, x, _MM_FROUND_TO_NEAREST_INT | _MM_FROUND_NO_EXC);
  22   x = _mm512_mask_sub_round_ps (x, m, x, x, _MM_FROUND_TO_POS_INF | _MM_FROUND_NO_EXC);
  23   x = _mm512_maskz_sub_round_ps (m, x, x, _MM_FROUND_TO_ZERO | _MM_FROUND_NO_EXC);
  24 }