gcc/testsuite/gcc.dg/pr109583.c

   1 /* PR tree-optimization/109583 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O1 -Wno-psabi" } */
   4 /* { dg-additional-options "-mno-avx" { target i?86-*-* x86_64-*-* } } */
   5
   6 typedef float v8sf __attribute__((vector_size (8 * sizeof (float))));
   7 typedef int v8si __attribute__((vector_size (8 * sizeof (int))));
   8
   9 #if __SIZEOF_INT__ == __SIZEOF_FLOAT__
  10 v8sf
  11 foo (v8sf x, v8sf y)
  12 {
  13   v8sf a = x - y;
  14   v8sf b = x + y;
  15   return __builtin_shuffle (a, b, (v8si) { 0, 9, 2, 11, 4, 13, 6, 15 });
  16 }
  17
  18 v8sf
  19 bar (v8sf x, v8sf y)
  20 {
  21   v8sf a = x + y;
  22   v8sf b = x - y;
  23   return __builtin_shuffle (a, b, (v8si) { 0, 9, 2, 11, 4, 13, 6, 15 });
  24 }
  25 #endif