paritydi2.c revision 222656 
1/* ===-- paritydi2.c - Implement __paritydi2 -------------------------------===
2 *
3 *                     The LLVM Compiler Infrastructure
4 *
5 * This file is dual licensed under the MIT and the University of Illinois Open
6 * Source Licenses. See LICENSE.TXT for details.
7 *
8 * ===----------------------------------------------------------------------===
9 *
10 * This file implements __paritydi2 for the compiler_rt library.
11 *
12 * ===----------------------------------------------------------------------===
13 */
14#include "abi.h"
15
16#include "int_lib.h"
17
18/* Returns: 1 if number of bits is odd else returns 0 */
19
20si_int COMPILER_RT_ABI __paritysi2(si_int a);
21
22COMPILER_RT_ABI si_int
23__paritydi2(di_int a)
24{
25    dwords x;
26    x.all = a;
27    return __paritysi2(x.s.high ^ x.s.low);
28}
29