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2ef2b01e A |
1 | #------------------------------------------------------------------------------ |
2 | # | |
d6ebcab7 | 3 | # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> |
2ef2b01e | 4 | # |
d6ebcab7 | 5 | # This program and the accompanying materials |
2ef2b01e A |
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 | ||
58b5d037 | 15 | \s\s.text |
16 | \s\s.align 2 | |
17 | \s\sGCC_ASM_EXPORT(memcpy) | |
4e471bfd | 18 | |
19 | ASM_PFX(memcpy): | |
58b5d037 | 20 | \s\sstmfd\s\ssp!, {r7, lr} |
21 | \s\smov\s\sip, #0 | |
22 | \s\sadd\s\sr7, sp, #0 | |
23 | \s\smov\s\slr, r0 | |
24 | \s\sb\s\sL4 | |
2ef2b01e | 25 | L5: |
58b5d037 | 26 | \s\sldrb\s\sr3, [r1], #1\s\s@ zero_extendqisi2 |
27 | \s\sadd\s\sip, ip, #1 | |
28 | \s\sand\s\sr3, r3, #255 | |
29 | \s\sstrb\s\sr3, [lr], #1 | |
2ef2b01e | 30 | L4: |
58b5d037 | 31 | \s\scmp\s\sip, r2 |
32 | \s\sbne\s\sL5 | |
33 | \s\sldmfd\s\ssp!, {r7, pc} | |
2ef2b01e | 34 |