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b998e16e71
glibc/sysdeps/aarch64
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Wilco Dijkstra b998e16e71 This is an optimized memcpy/memmove 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.  All memmoves except for the large backwards case fall
into memcpy for optimal performance.  On a random copy test memcpy/memmove are
40% faster on Cortex-A57 and 28% on Cortex-A53.

	* sysdeps/aarch64/memcpy.S (memcpy):
	Rewrite of optimized memcpy and memmove.
	* sysdeps/aarch64/memmove.S (memmove): Remove
	memmove code (merged into memcpy.S).
2016-06-20 17:41:33 +01:00
..
bits Add _STRING_INLINE_unaligned and string_private.h 2016-02-18 14:55:29 -02:00
fpu Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
nptl elf: Consolidate machine-agnostic DTV definitions in <dl-dtv.h> 2016-06-20 14:31:40 +02:00
soft-fp Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
__longjmp.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
abort-instr.h
atomic-machine.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
backtrace.c
bsd-_setjmp.S
bsd-setjmp.S
configure
configure.ac
crti.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
crtn.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
dl-irel.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
dl-link.sym
dl-machine.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
dl-sysdep.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
dl-tls.h elf: Consolidate machine-agnostic DTV definitions in <dl-dtv.h> 2016-06-20 14:31:40 +02:00
dl-tlsdesc.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
dl-tlsdesc.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
dl-trampoline.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Implies
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
ldsodefs.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
libc-tls.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
libm-test-ulps [AArch64] Regenerate libm-test-ulps 2015-12-01 12:57:16 +00:00
linkmap.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
machine-gmon.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Makefile Clean up sysdep-dl-routines variable. 2015-02-06 10:42:08 -08:00
math-tests.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
mcount.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
memcmp.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
memcpy.S This is an optimized memcpy/memmove for AArch64. Copies are split into 3 main 2016-06-20 17:41:33 +01:00
memmove.S This is an optimized memcpy/memmove for AArch64. Copies are split into 3 main 2016-06-20 17:41:33 +01:00
memset.S This is an optimized memset for AArch64. Memset is split into 4 main cases: 2016-05-12 16:44:53 +01:00
memusage.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
preconfigure
setjmp.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
stackinfo.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
start.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
stpcpy.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strchr.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strchrnul.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strcmp.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strcpy.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
string_private.h Add _STRING_INLINE_unaligned and string_private.h 2016-02-18 14:55:29 -02:00
strlen.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strncmp.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strnlen.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strrchr.S Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
sysdep.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tls-macros.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tlsdesc.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tlsdesc.sym
tst-audit.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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