llvm-project/compiler-rt/lib/ucmpti2.c

41 lines
925 B
C

//===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements __ucmpti2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#if __x86_64
#include "int_lib.h"
// Returns: if (a < b) returns 0
// if (a == b) returns 1
// if (a > b) returns 2
si_int
__ucmpti2(tu_int a, tu_int b)
{
utwords x;
x.all = a;
utwords 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;
}
#endif