gcc/testsuite/gcc.dg/tree-ssa/vector-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-w -O1 -fdump-tree-gimple" } */
   3
   4
   5 /* We should be able to produce a BIT_FIELD_REF for each of these vector access. */
   6 #define vector __attribute__((vector_size(16)))
   7 float f0(vector float t)
   8 {
   9   return ((float*)&t)[0];
  10 }
  11
  12 float f1(vector float t)
  13 {
  14   return ((float*)&t)[1];
  15 }
  16
  17 float f2(vector float t)
  18 {
  19   return ((float*)&t)[2];
  20 }
  21
  22 float f3(vector float t)
  23 {
  24   return ((float*)&t)[3];
  25 }
  26
  27
  28 /* { dg-final { scan-tree-dump-times "BIT_FIELD_REF" 4 "gimple"} } */
  29
  30 /* { dg-final { cleanup-tree-dump "gimple" } } */
  31
  32