// clang -O2 -fno-inline cmp.c
#include <stdbool.h>
#include <stdio.h>

bool
is_greater(unsigned x, unsigned y)
{
  return (int)x - (int)y > 0;
}

void
foo(unsigned x, unsigned y)
{
  printf("%d\n", is_greater(x,y));
  printf("%d\n", (int)x - (int)y > 0);
  printf("%d\n", (int)(x - y) > 0);
}

int
main()
{
  foo(0x80000001, 0x7fff0000);
}