gcc/testsuite/gcc.target/powerpc/altivec-perm-2.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target powerpc_altivec_ok } */
   3 /* { dg-options "-O -maltivec -mno-vsx" } */
   4
   5 typedef unsigned short V __attribute__((vector_size(16)));
   6
   7 V f2(V x)
   8 {
   9   return __builtin_shuffle(x, (V){ 1,1,1,1, 1,1,1,1, });
  10 }
  11
  12 V f4(V x)
  13 {
  14   return __builtin_shuffle(x, (V){ 2,3,2,3, 2,3,2,3, });
  15 }
  16
  17 /* { dg-final { scan-assembler-not "vperm" } } */
  18 /* { dg-final { scan-assembler "vsplth" } } */
  19 /* { dg-final { scan-assembler "vspltw" } } */