1//===-- sync_fetch_and_sub_4.S - ------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file implements the __sync_fetch_and_sub_4 function for the ARM
10// architecture.
11//
12//===----------------------------------------------------------------------===//
13
14#include "sync-ops.h"
15
16// "subs" is 2 bytes shorter than "sub".
17#define sub_4(rD, rN, rM) sub rD, rN, rM
18
19SYNC_OP_4(sub_4)
20
21NO_EXEC_STACK_DIRECTIVE
22
23

source code of compiler-rt/lib/builtins/arm/sync_fetch_and_sub_4.S