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1 | #------------------------------------------------------------------------------ | |
2 | # | |
3 | # Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> | |
4 | # | |
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 | \s\s.text | |
16 | \s\s.align 2 | |
17 | \s\sGCC_ASM_EXPORT(memcpy) | |
18 | ||
19 | ASM_PFX(memcpy): | |
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 | |
25 | L5: | |
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 | |
30 | L4: | |
31 | \s\scmp\s\sip, r2 | |
32 | \s\sbne\s\sL5 | |
33 | \s\sldmfd\s\ssp!, {r7, pc} | |
34 |