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4 Commits

Author SHA1 Message Date
Sebastian Huber
96ec8f868e aarch64: Sync with ARM-software/optimized-routines 
Update AArch64 assembly string routines from:

https://github.com/ARM-software/optimized-routines

commit 0cf84f26b6b8dcad8287fe30a4dcc1fdabd06560
Author: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date:   Thu Jul 27 17:14:57 2023 +0200

    string: Fix corrupt GNU_PROPERTY_TYPE (5) size

    For ELF32 the notes alignment is 4 and not 8.

Add license and copyright information to COPYING.NEWLIB as entry (56).
 2023-10-05 14:16:57 +02:00
Wilco Dijkstra
3c8636acf6 AArch64: Tune memcpy 
* newlib/libc/machine/aarch64/memcpy.S (memcpy):
 	Further tuning for performance.
 2015-11-12 13:38:39 +01:00
Wilco Dijkstra
b295f6ba44 [AArch64] Optimized memcpy. 
This is an optimized memcpy for AArch64.  Copies are split into 3 main
cases: small copies of up to 16 bytes, medium copies of 17..96 bytes
which are fully unrolled.  Large copies of more than 96 bytes align
the destination and use an unrolled loop processing 64 bytes per
iteration.  In order to share code with memmove, small and medium
copies read all data before writing, allowing any kind of overlap.  On
a random copy test memcpy is 40.8% faster on A57 and 28.4% on A53.
 2015-07-13 13:09:02 +01:00
Marcus Shawcroft
080e96f57c 2013-01-10 Marcus Shawcroft <marcus.shawcroft@linaro.org> 
* libc/machine/aarch64/Makefile.am (lib_a_SOURCES): Add
	    memcpy.c memcpy-stub.c memset.S memset-stub.c strcmp.S
	    strcmp-stub.c.
	    * libc/machine/aarch64/Makefile.in: Regenerated.
	    * libc/machine/aarch64/memcpy-stub.c: New file.
	    * libc/machine/aarch64/memcpy.S: New file.
	    * libc/machine/aarch64/memset-stub.c: New file.
	    * libc/machine/aarch64/memset.S: New file.
	    * libc/machine/aarch64/strcmp.S: New file.
	    * libc/machine/aarch64/strcmp-stub.c: New file.
 2013-01-10 12:44:50 +00:00