gcc/testsuite/gcc.target/powerpc/swaps-p8-19.c

   1 /* { dg-do compile { target { powerpc64le-*-* } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
   3 /* { dg-options "-O2 -ftree-vectorize -mcpu=power8 -ffast-math -fvect-cost-model=unlimited" } */
   4
   5 /* This tests special handling for various uses of xxpermdi, other than
   6    to perform doubleword swaps.  */
   7
   8 void foo (_Complex double *self, _Complex double *a, _Complex double *b,
   9           int a1, int a2)
  10 {
  11   int i, j;
  12   for (i = 0; i < a1; ++i)
  13     for (j = 0; j < a2; ++j)
  14       self[i] = self[i] + a[i,j] * b[j];
  15 }
  16
  17 /* { dg-final { scan-assembler-times "xxpermdi .*,.*,.*,0" 1 } } */
  18 /* { dg-final { scan-assembler-times "xxpermdi .*,.*,.*,1" 1 } } */
  19 /* { dg-final { scan-assembler-times "xxpermdi .*,.*,.*,2" 1 } } */
  20 /* { dg-final { scan-assembler-times "xxpermdi .*,.*,.*,3" 1 } } */