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Edward O'Callaghan2bf62722009-08-05 04:02:56 +00001/* ===-- negdi2.c - Implement __negdi2 -------------------------------------===
2 *
3 * The LLVM Compiler Infrastructure
4 *
Howard Hinnant9ad441f2010-11-16 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'Callaghan2bf62722009-08-05 04:02:56 +00007 *
8 * ===----------------------------------------------------------------------===
9 *
10 * This file implements __negdi2 for the compiler_rt library.
11 *
12 * ===----------------------------------------------------------------------===
13 */
Daniel Dunbarb3a69012009-06-26 16:47:03 +000014
15#include "int_lib.h"
16
Edward O'Callaghan2bf62722009-08-05 04:02:56 +000017/* Returns: -a */
Daniel Dunbarb3a69012009-06-26 16:47:03 +000018
19di_int
20__negdi2(di_int a)
21{
Edward O'Callaghan2bf62722009-08-05 04:02:56 +000022 /* Note: this routine is here for API compatibility; any sane compiler
23 * should expand it inline.
24 */
Eli Friedmand02ea672009-07-03 02:26:38 +000025 return -a;
Daniel Dunbarb3a69012009-06-26 16:47:03 +000026}