gcc/testsuite/gcc.target/i386/pr59880.c

   1 /* PR target/59880 */
   2 /* { dg-do compile { target { ! ia32 } } } */
   3 /* { dg-options "-O2 -mtune=silvermont" } */
   4
   5 register unsigned int r13 __asm ("r13");
   6 unsigned long long
   7 foo (void)
   8 {
   9   return r13;
  10 }
  11
  12 /* Ensure we don't emit a useless zero-extension after another
  13    zero-extension.  */
  14 /* { dg-final { scan-assembler-not "%eax, %eax" } } */