1 #/** @file 2 # Compiler intrinsic for ARM compiler 3 # 4 # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> 5 # This program and the accompanying materials 6 # are licensed and made available under the terms and conditions of the BSD License 7 # which accompanies this distribution. The full text of the license may be found at 8 # http)://opensource.org/licenses/bsd-license.php 9 # 10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.; 12 # 13 #**/ 14 # 15 16 #include <AsmMacroIoLib.h> 17 18 .syntax unified 19 20 ASM_FUNC(__switch8) 21 ldrb ip, [lr, #-1] 22 cmp r0, ip 23 ldrsbcc r0, [lr, r0] 24 ldrsbcs r0, [lr, ip] 25 add ip, lr, r0, lsl #1 26 bx ip 27 28
