FreeCalypso > hg > freecalypso-tools
annotate target-utils/libc/memcpy32.S @ 614:02bdb2f366bc
fc-xram: added transfer time reporting
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 24 Feb 2020 23:07:03 +0000 |
parents | 8dc062c6359b |
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rev | line source |
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90
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 .text |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 .code 32 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 .globl memcpy32 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 memcpy32: |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 1: subs r2, r2, #4 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 ldrcs r3, [r1], #4 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 strcs r3, [r0], #4 |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 bhi 1b |
8dc062c6359b
target-utils/libc: memcpy16 and memcpy32 optimized variants implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 bx lr |