freebsd-nq/contrib/compiler-rt/lib/ucmpti2.c
Dimitry Andric b663c98c57 Pull in r201909 from upstream compiler-rt trunk (by Joerg Sonnenberger):
Introduce CRT_HAS_128BIT, currently for all __LP64__ platforms.
  Use it to enable the various functions for TI mode.

This makes sure the correct primitives are also built for sparc64.
2014-02-22 00:09:43 +00:00

43 lines
991 B
C

/* ===-- ucmpti2.c - Implement __ucmpti2 -----------------------------------===
*
* 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 __ucmpti2 for the compiler_rt library.
*
* ===----------------------------------------------------------------------===
*/
#include "int_lib.h"
#ifdef CRT_HAS_128BIT
/* 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.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 /* CRT_HAS_128BIT */