audk/ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm

23 lines
510 B
NASM

///------------------------------------------------------------------------------
//
// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
//
// SPDX-License-Identifier: BSD-2-Clause-Patent
//
//------------------------------------------------------------------------------
INCLUDE AsmMacroExport.inc
RVCT_ASM_EXPORT __ARM_switch8
LDRB r12,[lr,#-1]
CMP r3,r12
LDRBCC r3,[lr,r3]
LDRBCS r3,[lr,r12]
ADD r12,lr,r3,LSL #1
BX r12
END