Subversion Repositories openrisc_2011-10-31

/* PR middle-end/38533 */

/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-reassoc1" } */

#define A asm volatile ("" : "=r" (f) : "0" (0)); e |= f;

#define B A A A A A A A A A A A

#define C B B B B B B B B B B B

int

foo (void)

{

  int e = 0, f;

  C C B B B B B A A A A A A

  return e;

}

int

main (void)

{

  if (foo ())

    __builtin_abort ();

  return 0;

}

/* Verify that reassoc hasn't increased register pressure too much

   by moving all bitwise ors after the last __asm__.  There should

   be exactly 2 (first) __asm__ stmts with no intervening stmts,

   all others should have some bitwise or in between.  */

/* { dg-final { scan-tree-dump-times "__asm__\[^;\n]*;\n *__asm__" 1 "reassoc1"} } */

/* { dg-final { cleanup-tree-dump "reassoc1" } } */