1//===-- sync_fetch_and_sub_8.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_8 function for the ARM
10// architecture.
11//
12//===----------------------------------------------------------------------===//
13
14#include "sync-ops.h"
15
16#if __ARM_ARCH_PROFILE != 'M'
17#define sub_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \
18 subs rD_LO, rN_LO, rM_LO ; \
19 sbc rD_HI, rN_HI, rM_HI
20
21SYNC_OP_8(sub_8)
22#endif
23
24NO_EXEC_STACK_DIRECTIVE
25
26

source code of compiler-rt/lib/builtins/arm/sync_fetch_and_sub_8.S