gcc/testsuite/gcc.target/i386/fuse-caller-save-xmm-run.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -msse -fipa-ra" } */
   3
   4 typedef double v2df __attribute__((vector_size (16)));
   5
   6 static v2df __attribute__((noinline))
   7 bar (v2df a)
   8 {
   9   return a + (v2df){ 3.0, 3.0 };
  10 }
  11
  12 v2df __attribute__((noinline))
  13 foo (v2df y)
  14 {
  15   return y + bar (y);
  16 }
  17
  18 int
  19 main (void)
  20 {
  21   int success;
  22   union {
  23     v2df v;
  24     double d[2];
  25   } u;
  26
  27   u.v = foo ((v2df){ 5.0, 5.0});
  28   success = (u.d[0] == 13.0
  29              && u.d[1] == 13.0);
  30
  31   return !success;
  32 }