gcc/testsuite/gcc.dg/pr44136.c

   1 /* PR debug/44136 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-w -O2 -g" } */
   4 /* { dg-options "-w -Wno-psabi -O2 -g -mno-sse" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
   5
   6 #define vector __attribute((vector_size(16)))
   7 vector float a;
   8
   9 float
  10 foo (float b)
  11 {
  12   vector float c = { 0, 0, 0, 0 };
  13   vector float d = { 0, 0, 0, 0 };
  14   d += c;
  15   return ((float *)&c)[2];
  16 }
  17
  18 float
  19 bar (vector float a, int b, vector float c)
  20 {
  21   vector float e = c * a;
  22   a = (vector float) { 0, 0, 0, 0 };
  23   c = (vector float) { 0, 0, 0, 0 };
  24   float d = ((float *)&a)[0];
  25   float f = ((float *)&c)[0];
  26   return d * f;
  27 }