forked from OSchip/llvm-project
25 lines
731 B
ArmAsm
25 lines
731 B
ArmAsm
/*===-- sync_fetch_and_sub_8.S - ------------------------------------------===//
|
|
*
|
|
* The LLVM Compiler Infrastructure
|
|
*
|
|
* This file is dual licensed under the MIT and the University of Illinois Open
|
|
* Source Licenses. See LICENSE.TXT for details.
|
|
*
|
|
*===----------------------------------------------------------------------===//
|
|
*
|
|
* This file implements the __sync_fetch_and_sub_8 function for the ARM
|
|
* architecture.
|
|
*
|
|
*===----------------------------------------------------------------------===*/
|
|
|
|
#include "sync-ops.h"
|
|
|
|
#if __ARM_ARCH_PROFILE != 'M'
|
|
#define sub_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \
|
|
subs rD_LO, rN_LO, rM_LO ; \
|
|
sbc rD_HI, rN_HI, rM_HI
|
|
|
|
SYNC_OP_8(sub_8)
|
|
#endif
|
|
|