Subversion Repositories openrisc_2011-10-31

/* PR debug/43077 */

/* { dg-do run } */

/* { dg-options "-g" } */

int varb;

int __attribute__((noinline))

fn1 (void)

{

  int vara = (varb == 3);               /* { dg-final { gdb-test 11 "vara" "0" } } */

  asm volatile ("" : : "g" (vara));     /* { dg-final { gdb-test 11 "varb" "2" } } */

  return 0;

}

int __attribute__((noinline))

fn2 (void)

{

  int vara = (varb == 3);               /* { dg-final { gdb-test 19 "vara" "1" } } */

  asm volatile ("" : : "g" (vara));     /* { dg-final { gdb-test 19 "varb" "3" } } */

  return 0;

}

int __attribute__((noinline))

foo (unsigned long *p, unsigned long *q)

{

  int ret;

  asm volatile ("" : "=r" (ret), "=r" (*p), "=r" (*q) : "0" (1), "1" (2), "2" (3));

  return ret;

}

int __attribute__((noinline))

fn3 (void)

{

  unsigned long a = 0, b = 0, c = 0;

  a = foo (&b, &c);

                                        /* { dg-final { gdb-test 42 "a" "1" } } */

                                        /* { dg-final { gdb-test 42 "b" "2" } } */

                                        /* { dg-final { gdb-test 42 "c" "3" } } */

  unsigned long vara = a;               /* { dg-final { gdb-test 42 "vara" "1" } } */

  unsigned long varb = b;               /* { dg-final { gdb-test 42 "varb" "2" } } */

  unsigned long varc = c;               /* { dg-final { gdb-test 42 "varc" "3" } } */

  asm volatile ("" : : "g" (vara), "g" (varb), "g" (varc));

  return a;

}

int

main (void)

{

  asm volatile ("" : "=r" (varb) : "0" (2));

  fn1 ();

  asm volatile ("" : "=r" (varb) : "0" (3));

  fn2 ();

  fn3 ();

  return 0;

}