gcc/testsuite/gcc.dg/torture/pr77937-2.c

   1 /* { dg-do compile } */
   2 /* { dg-do options "-O3 -march=amdfam10" { target { x86_64-*-* } } } */
   3
   4 extern int fn2(int);
   5 extern int fn3(int);
   6 int a, b, c;
   7 void fn1(long p1) {
   8   char *d;
   9   for (;; d += p1) {
  10     d[0] = fn2(1 >> a);
  11     fn3(0);
  12     fn3(c >> a);
  13     d[1] = fn3(d[1] * b + c >> a);
  14     d[4] = fn3(d[4] * b + c >> a);
  15     d[5] = fn3(d[5] * b + c >> a);
  16   }
  17 }