Subversion Repositories openrisc

extern void abort ();

extern void exit (int);

#ifndef __thumb__

/* There used to be a couple of bugs in the ARM's prologue and epilogue

   generation for ISR routines.  The wrong epilogue instruction would be

   generated to restore the IP register if it had to be pushed onto the

   stack, and the wrong offset was being computed for local variables if

   r0 - r3 had to be saved.  This tests for both of these cases.  */

int z = 9;

int

bar (void)

{

  return z;

}

int

foo (int a, int b, int c, int d, int e, int f, int g, int h)

{

  volatile int i = (a + b) - (g + h) + bar ();

  volatile int j = (e + f) - (c + d);

  return a + b + c + d + e + f + g + h + i + j;

}

int foo1 (int a, int b, int c, int d, int e, int f, int g, int h) __attribute__ ((interrupt ("IRQ")));

int

foo1 (int a, int b, int c, int d, int e, int f, int g, int h)

{

  volatile int i = (a + b) - (g + h) + bar ();

  volatile int j = (e + f) - (c + d);

  return a + b + c + d + e + f + g + h + i + j;

}

#endif

int

main (void)

{

#ifndef __thumb__

  if (foo (1, 2, 3, 4, 5, 6, 7, 8) != 32)

    abort ();

  if (foo1 (1, 2, 3, 4, 5, 6, 7, 8) != 32)

    abort ();

#endif

  exit (0);

}