gcc/testsuite/gcc.dg/pr34856.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-options "-O2 -msse2" { target { i?86-*-* x86_64-*-* } } } */
   4
   5 #undef __vector
   6 #define __vector __attribute__((vector_size(16) ))
   7
   8 typedef __vector signed char qword;
   9 typedef __vector unsigned int VU32;
  10
  11 extern short g[192 + 16];
  12
  13 void f (qword);
  14
  15 void f1 (unsigned ctr)
  16 {
  17   VU32 pin;
  18   pin = (VU32){(unsigned int) &g[16]};
  19   do
  20     {
  21       f ((qword) pin);
  22       ctr--;
  23     }
  24   while (ctr);
  25 }