gnu/dist/gcc4/gcc/testsuite/gcc.target/ia64/20030405-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 int
   5 foo (int x, int y)
   6 {
   7   if (y == 0)
   8     {
   9       register long r8 asm ("r8");
  10       register long r15 asm ("r15") = 1;
  11       long retval;
  12       __asm __volatile ("foo" : "=r" (r8), "=r" (r15) : "1" (r15));
  13       retval = r8;
  14       y = retval;
  15     }
  16
  17   {
  18     register long r8 asm ("r8");
  19     register long r15 asm ("r15") = 2;
  20     long retval;
  21     register long _out1 asm ("out1") = x;
  22     register long _out0 asm ("out0") = y;
  23     __asm __volatile ("foo"
  24                       : "=r" (r8), "=r" (r15) , "=r" (_out0), "=r" (_out1)
  25                       : "1" (r15) , "2" (_out0), "3" (_out1));
  26     retval = r8;
  27     return retval;
  28   }
  29 }