gcc/testsuite/gcc.target/powerpc/altivec-perm-3.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target powerpc_altivec_ok } */
   3 /* { dg-skip-if "" { powerpc*le-*-* } } */
   4 /* { dg-options "-O -maltivec -mno-vsx" } */
   5
   6 typedef unsigned char V __attribute__((vector_size(16)));
   7
   8 V p2(V x, V y)
   9 {
  10   return __builtin_shuffle(x, y,
  11         (V){ 1,  3,  5,  7,  9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 });
  12
  13 }
  14
  15 V p4(V x, V y)
  16 {
  17   return __builtin_shuffle(x, y,
  18         (V){ 2,  3,  6,  7, 10, 11, 14, 15, 18, 19, 22, 23, 26, 27, 30, 31 });
  19 }
  20
  21 /* { dg-final { scan-assembler-not "vperm" } } */
  22 /* { dg-final { scan-assembler "vpkuhum" } } */
  23 /* { dg-final { scan-assembler "vpkuwum" } } */