gcc/testsuite/gcc.target/s390/pr89775-1.c

   1 /* PR target/89775 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O0 -fomit-frame-pointer" } */
   4 /* { dg-additional-sources "pr89775-2.c" } */
   5
   6 register void *sp __asm ("15");
   7
   8 __attribute__((noipa)) int
   9 foo (const char *a, const char *b)
  10 {
  11   while (1)
  12     {
  13       char c = *a++;
  14       if (c != *b++) return 0;
  15       if (c == '\0') return 1;
  16     }
  17 }