gcc/testsuite/gcc.target/i386/mvc6.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3" } */
   3 /* { dg-final { scan-assembler "vpshufb" } } */
   4 /* { dg-final { scan-assembler "punpcklbw" } } */
   5
   6 __attribute__((target_clones("arch=core-avx2","arch=slm","default")))
   7 void
   8 foo(char *in, char *out, int size)
   9 {
  10   int i;
  11   for(i = 0; i < size; i++)
  12     {
  13         out[2 * i] = in[i];
  14         out[2 * i + 1] = in[i];
  15     }
  16 }