| #/** @file | |
| # Compiler intrinsic for ARM compiler | |
| # | |
| # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> | |
| # This program and the accompanying materials | |
| # are licensed and made available under the terms and conditions of the BSD License | |
| # which accompanies this distribution. The full text of the license may be found at | |
| # http)://opensource.org/licenses/bsd-license.php | |
| # | |
| # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.; | |
| # | |
| #**/ | |
| # | |
| #include <AsmMacroIoLib.h> | |
| .syntax unified | |
| ASM_FUNC(__switchu8) | |
| ldrb ip,[lr,#-1] | |
| cmp r0,ip | |
| ldrbcc r0,[lr,r0] | |
| ldrbcs r0,[lr,ip] | |
| add ip,lr,r0,LSL #1 | |
| bx ip | |