gcc/testsuite/gcc.target/i386/pr66560-2.c

   1 /* PR target/66560 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -msse4" } */
   4
   5 typedef double v2df __attribute__((vector_size(16)));
   6 typedef long long v2di __attribute__((vector_size(16)));
   7 v2df foo1 (v2df x, v2df y)
   8 {
   9   v2df tem0 = x - y;
  10   v2df tem1 = x + y;
  11   return __builtin_shuffle (tem0, tem1, (v2di) { 0, 3 });
  12 }
  13
  14 v2df foo2 (v2df x, v2df y)
  15 {
  16   v2df tem0 = x - y;
  17   v2df tem1 = y + x;
  18   return __builtin_shuffle (tem0, tem1, (v2di) { 0, 3 });
  19 }
  20
  21 v2df foo3 (v2df x, v2df y)
  22 {
  23   v2df tem0 = x + y;
  24   v2df tem1 = x - y;
  25   return __builtin_shuffle (tem0, tem1, (v2di) { 2, 1 });
  26 }
  27
  28 v2df foo4 (v2df x, v2df y)
  29 {
  30   v2df tem0 = y + x;
  31   v2df tem1 = x - y;
  32   return __builtin_shuffle (tem0, tem1, (v2di) { 2, 1 });
  33 }
  34
  35 /* { dg-final { scan-assembler-times "addsubpd" 4 } } */