gcc/testsuite/gcc.target/i386/pr78911-1.c

   1 /* PR rtl-optimization/78911 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O3 -fno-strict-aliasing -fno-omit-frame-pointer" } */
   4 /* { dg-additional-options "-fPIC" { target fpic } } */
   5 /* { dg-additional-options "-march=pentium-m" { target ia32 } } */
   6
   7 int a, b, d, e;
   8 long long *c;
   9
  10 static int
  11 foo (long long *x)
  12 {
  13   return __sync_val_compare_and_swap (x, b, a);
  14 }
  15
  16 void
  17 bar (void)
  18 {
  19   if (!c)
  20     return;
  21   e = foo (&c[d]);
  22 }