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 /* { dg-options "-O2 -maltivec" { target { powerpc*-*-linux* && powerpc_altivec_ok } } } */
   5
   6 typedef __UINTPTR_TYPE__ uintptr_t;
   7
   8 #undef __vector
   9 #define __vector __attribute__ ((__vector_size__ (16)))
  10
  11 typedef __vector signed char qword;
  12 typedef __vector uintptr_t VU;
  13
  14 extern short g[192 + 16];
  15
  16 void f (qword);
  17
  18 void f1 (unsigned ctr)
  19 {
  20   VU pin;
  21
  22   pin = (VU){(uintptr_t) &g[16]};
  23   do
  24     {
  25       f ((qword) pin);
  26       ctr--;
  27     }
  28   while (ctr);
  29 }
  30
  31 /* Ignore a warning that is irrelevant to the purpose of this test.  */
  32 /* { dg-prune-output ".*GCC vector passed by reference.*" } */