/*
   pr63209.c from the execute part of the gcc torture tests.
 */

#include <testfwk.h>

#ifdef __SDCC
#pragma std_c99
#pragma disable_warning 85
#endif

static int Sub(int a, int b) {
  return  b - a;
}

static unsigned Select(unsigned a, unsigned b, unsigned c) {
  const int pa_minus_pb =
      Sub((a >>  8) & 0xff, (b >>  8) & 0xff) +
      Sub((a >>  0) & 0xff, (b >>  0) & 0xff);
  (void)c;
  return (pa_minus_pb <= 0) ? a : b;
}

unsigned Predictor(unsigned left, const unsigned* const top) {
  const unsigned pred = Select(top[1], left, top[0]);
  return pred;
}

void
testTortureExecute (void) {
  const unsigned top[2] = {0xff7a7a7a, 0xff7a7a7a};
  const unsigned left = 0xff7b7b7b;
  const unsigned pred = Predictor(left, top /*+ 1*/);
  ASSERT (pred == left);
}