gcc/testsuite/gcc.dg/991214-1.c

   1 /* { dg-do compile { target i?86-*-* } } */
   2 /* { dg-options "-O2" } */
   3
   4 /* Test against a problem with the combiner substituting explicit hard reg
   5    references when it shouldn't.  */
   6 void foo (int, int) __attribute__ ((regparm (3)));
   7 void foo (int x, int y)
   8 {
   9   __asm__ __volatile__("" : : "d" (x), "r" (y));
  10 }