gcc/testsuite/gcc.target/i386/vect-unpack-2.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -ftree-vectorize -ffast-math -mavx512bw -save-temps" } */
   3 /* { dg-require-effective-target avx512bw } */
   4
   5 #include "avx512bw-check.h"
   6
   7 #define N 120
   8 signed int yy[10000];
   9 signed char zz[10000];
  10
  11 void
  12 __attribute__ ((noinline,noclone)) foo (int s)
  13 {
  14    int i;
  15    for (i = 0; i < s; i++)
  16      yy[i] = zz[i];
  17 }
  18
  19 void
  20 avx512bw_test ()
  21 {
  22   signed char i;
  23   for (i = 0; i < N; i++)
  24     zz[i] = i;
  25   foo (N);
  26   for (i = 0; i < N; i++)
  27     if ( (signed int)i != yy [i] )
  28       abort ();
  29 }
  30
  31 /* { dg-final { scan-assembler-times "vpmovsxbw\[ \\t\]+\[^\n\]*%zmm" 2 } } */