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Edward O'Callaghan55836322009-08-07 20:30:09 +00001/* ===-- parityti2.c - Implement __parityti2 -------------------------------===
2 *
3 * The LLVM Compiler Infrastructure
4 *
Howard Hinnant5b791f62010-11-16 22:13:33 +00005 * This file is dual licensed under the MIT and the University of Illinois Open
6 * Source Licenses. See LICENSE.TXT for details.
Edward O'Callaghan55836322009-08-07 20:30:09 +00007 *
8 * ===----------------------------------------------------------------------===
9 *
10 * This file implements __parityti2 for the compiler_rt library.
11 *
12 * ===----------------------------------------------------------------------===
13 */
Daniel Dunbarfd089992009-06-26 16:47:03 +000014
15#if __x86_64
16
17#include "int_lib.h"
18
Edward O'Callaghan55836322009-08-07 20:30:09 +000019/* Returns: 1 if number of bits is odd else returns 0 */
Daniel Dunbarfd089992009-06-26 16:47:03 +000020
21si_int __paritydi2(di_int a);
22
23si_int
24__parityti2(ti_int a)
25{
26 twords x;
27 x.all = a;
Edward O'Callaghan665671e2009-09-03 09:12:20 +000028 return __paritydi2(x.s.high ^ x.s.low);
Daniel Dunbarfd089992009-06-26 16:47:03 +000029}
30
31#endif