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 .text 17 .syntax unified 18 .p2align 2 19 20 GCC_ASM_EXPORT(__switchu8) 21 22 23 ASM_PFX(__switchu8): 24 ldrb ip,[lr,#-1] 25 cmp r0,ip 26 ldrbcc r0,[lr,r0] 27 ldrbcs r0,[lr,ip] 28 add ip,lr,r0,LSL #1 29 bx ip 30 31
