gcc/testsuite/gcc.target/powerpc/altivec-perm-1.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target powerpc_altivec_ok } */
   3 /* { dg-options "-O -maltivec -mno-vsx" } */
   4
   5 typedef unsigned char V __attribute__((vector_size(16)));
   6
   7 V b1(V x)
   8 {
   9   return __builtin_shuffle(x, (V){ 1,1,1,1, 1,1,1,1, 1,1,1,1, 1,1,1,1, });
  10 }
  11
  12 V b2(V x)
  13 {
  14   return __builtin_shuffle(x, (V){ 2,3,2,3, 2,3,2,3, 2,3,2,3, 2,3,2,3, });
  15 }
  16
  17 V b4(V x)
  18 {
  19   return __builtin_shuffle(x, (V){ 4,5,6,7, 4,5,6,7, 4,5,6,7, 4,5,6,7, });
  20 }
  21
  22 V h1(V x, V y)
  23 {
  24   return __builtin_shuffle(x, y,
  25         (V){ 0, 16,  1, 17,  2, 18,  3, 19,  4, 20,  5, 21,  6, 22,  7, 23 });
  26 }
  27
  28 V h2(V x, V y)
  29 {
  30   return __builtin_shuffle(x, y,
  31         (V){ 0,  1, 16, 17,  2,  3, 18, 19,  4,  5, 20, 21,  6,  7, 22, 23 });
  32 }
  33
  34 V h4(V x, V y)
  35 {
  36   return __builtin_shuffle(x, y,
  37         (V){ 0,  1,  2,  3, 16, 17, 18, 19,  4,  5,  6,  7, 20, 21, 22, 23 });
  38 }
  39
  40 V l1(V x, V y)
  41 {
  42   return __builtin_shuffle(x, y,
  43         (V){ 8, 24,  9, 25, 10, 26, 11, 27, 12, 28, 13, 29, 14, 30, 15, 31 });
  44 }
  45
  46 V l2(V x, V y)
  47 {
  48   return __builtin_shuffle(x, y,
  49         (V){ 8,  9, 24, 25, 10, 11, 26, 27, 12, 13, 28, 29, 14, 15, 30, 31 });
  50 }
  51
  52 V l4(V x, V y)
  53 {
  54   return __builtin_shuffle(x, y,
  55         (V){ 8,  9, 10, 11, 24, 25, 26, 27, 12, 13, 14, 15, 28, 29, 30, 31 });
  56 }
  57
  58 /* { dg-final { scan-assembler-not "vperm" } } */
  59 /* { dg-final { scan-assembler "vspltb" } } */
  60 /* { dg-final { scan-assembler "vsplth" } } */
  61 /* { dg-final { scan-assembler "vspltw" } } */