1/*===-- sync_fetch_and_sub_4.S - ------------------------------------------===//
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 the __sync_fetch_and_sub_4 function for the ARM
11 * architecture.
12 *
13 *===----------------------------------------------------------------------===*/
14
15#include "sync-ops.h"
16
17/* "subs" is 2 bytes shorter than "sub". */
18#define sub_4(rD, rN, rM)  sub rD, rN, rM
19
20SYNC_OP_4(sub_4)
21
22NO_EXEC_STACK_DIRECTIVE
23
24