llvm-project/compiler-rt/lib/cmpti2.c

43 lines
957 B
C

/* ===-- cmpti2.c - Implement __cmpti2 -------------------------------------===
*
* The LLVM Compiler Infrastructure
*
* This file is dual licensed under the MIT and the University of Illinois Open
* Source Licenses. See LICENSE.TXT for details.
*
* ===----------------------------------------------------------------------===
*
* This file implements __cmpti2 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
__cmpti2(ti_int a, ti_int b)
{
twords x;
x.all = a;
twords y;
y.all = b;
if (x.s.high < y.s.high)
return 0;
if (x.s.high > y.s.high)
return 2;
if (x.s.low < y.s.low)
return 0;
if (x.s.low > y.s.low)
return 2;
return 1;
}
#endif