gcc/testsuite/gcc.dg/tree-ssa/forwprop-35.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-cddce1 -Wno-psabi" } */
   3 /* { dg-additional-options "-msse2" { target { i?86-*-* x86_64-*-* } } } */
   4
   5 typedef int v4si __attribute__((vector_size(16)));
   6 typedef float v4sf __attribute__((vector_size(16)));
   7
   8 v4sf vec_cast(v4si f)
   9 {
  10   return (v4sf){f[0], f[1], f[2], f[3]};
  11 }
  12
  13 v4sf vec_cast_perm(v4si f)
  14 {
  15   return (v4sf){f[1], f[1], f[2], f[3]};
  16 }
  17
  18 /* { dg-final { scan-tree-dump-times "VEC_PERM_EXPR" 1 "cddce1" { target { i?86-*-* x86_64-*-* } } } } */
  19 /* Catch (v4sf) and (vector(4) float).  */
  20 /* { dg-final { scan-tree-dump-times " = \\\(v" 2 "cddce1" { target { i?86-*-* x86_64-*-* } } } } */