lib/ucmpdi2.c


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//===-- ucmpdi2.c - Implement __ucmpdi2 -----------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements __ucmpdi2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//

#include "int_lib.h"

// Returns:  if (a <  b) returns 0
//           if (a == b) returns 1
//           if (a >  b) returns 2

si_int
__ucmpdi2(du_int a, du_int b)
{
    udwords x;
    x.all = a;
    udwords y;
    y.all = b;
    if (x.high < y.high)
        return 0;
    if (x.high > y.high)
        return 2;
    if (x.low < y.low)
        return 0;
    if (x.low > y.low)
        return 2;
    return 1;
}