asm-1.c

来自「Mac OS X 10.4.9 for x86 Source Code gcc」· C语言 代码 · 共 15 行

/* PR target/17565.  GCC used to put the asm into the delay slot
   of the call.  */
/* { dg-do assemble } */
/* { dg-options "-O" } */
int foo (int n)
{
  register int k asm ("$16") = n;
  if (k > 0)
    {
      bar ();
      asm ("li %0,0x12345678" : "=r" (k));
    }
  return k;
}