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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 | .p2align 2 | |
18 | ||
19 | GCC_ASM_EXPORT(__switchu8) | |
20 | ||
21 | ||
22 | ASM_PFX(__switchu8): | |
23 | ldrb ip,[lr,#-1] | |
24 | cmp r0,ip | |
25 | ldrccb r0,[lr,r0] | |
26 | ldrcsb r0,[lr,ip] | |
27 | add ip,lr,r0,LSL #1 | |
28 | bx ip | |
29 |