Subversion Repositories openrisc

/* Like pr28982a.c, but with the spill slots outside the range of

   a single sp-based load on ARM.  This test tests for cases where

   the addresses in the base and index reloads require further reloads.  */

#if defined(STACK_SIZE) && STACK_SIZE <= 0x80100

int main (void) { return 0; }

#else

#define NITER 4

#define NVARS 20

#define MULTI(X) \

  X( 0), X( 1), X( 2), X( 3), X( 4), X( 5), X( 6), X( 7), X( 8), X( 9), \

  X(10), X(11), X(12), X(13), X(14), X(15), X(16), X(17), X(18), X(19)

#define DECLAREI(INDEX) inc##INDEX = incs[INDEX]

#define DECLAREF(INDEX) *ptr##INDEX = ptrs[INDEX], result##INDEX = 0

#define LOOP(INDEX) result##INDEX += *ptr##INDEX, ptr##INDEX += inc##INDEX

#define COPYOUT(INDEX) results[INDEX] = result##INDEX

float *ptrs[NVARS];

float results[NVARS];

int incs[NVARS];

struct big { int i[0x10000]; };

void __attribute__((noinline))

bar (struct big b)

{

  incs[0] += b.i[0];

}

void __attribute__((noinline))

foo (int n)

{

  struct big b = {};

  int MULTI (DECLAREI);

  float MULTI (DECLAREF);

  while (n--)

    MULTI (LOOP);

  MULTI (COPYOUT);

  bar (b);

}

float input[NITER * NVARS];

int

main (void)

{

  int i;

  for (i = 0; i < NVARS; i++)

    ptrs[i] = input + i, incs[i] = i;

  for (i = 0; i < NITER * NVARS; i++)

    input[i] = i;

  foo (NITER);

  for (i = 0; i < NVARS; i++)

    if (results[i] != i * NITER * (NITER + 1) / 2)

      return 1;

  return 0;

}

#endif