Ondřej Bílka
dc1a95c730
Faster strrchr.
2013-09-26 19:23:01 +02:00
Ondřej Bílka
5905e7b3e2
Faster strchr implementation.
2013-09-11 17:07:38 +02:00
Ondřej Bílka
8f02859f17
Add unaligned strcmp.
2013-09-03 16:27:10 +02:00
Ondřej Bílka
382466e04e
Fix typos.
2013-08-30 18:08:59 +02:00
Ondřej Bílka
0186c6e97e
Fix rawmemchr regression on bulldozer.
2013-08-30 10:14:37 +02:00
Ondřej Bílka
c0c3f78afb
Fix typos.
2013-08-21 19:48:48 +02:00
Liubov Dmitrieva
6308fd9a46
Skip SSE4.2 versions on Intel Silvermont
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SSE2/SSSE3 versions are faster than SSE4.2 versions on Intel Silvermont.
2013-06-28 15:31:40 -07:00
Liubov Dmitrieva
11b8a0e1d7
Fix buffers overrun in x86_64 memcmp-ssse3.S
2013-06-26 12:31:51 -07:00
Liubov Dmitrieva
d086fc7ba0
Set fast unaligned load flag for new Intel microarchitecture
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I have small patch for new Intel Silvermont machines.
http://newsroom.intel.com/community/intel_newsroom/blog/2013/05/06/intel-launches-low-power-high-performance-silvermont-microarchitecture
I checked this on my machine and see that strcpy, ... unaligned
versions are faster than ssse3 versions.
2013-06-14 20:46:15 +02:00
Ondrej Bilka
2d48b41c8f
Faster memcpy on x64.
...
We add new memcpy version that uses unaligned loads which are fast
on modern processors. This allows second improvement which is avoiding
computed jump which is relatively expensive operation.
Tests available here:
http://kam.mff.cuni.cz/~ondra/memcpy_profile_result27_04_13.tar.bz2
2013-05-20 08:24:41 +02:00
Ondrej Bilka
37bb363f03
Faster strlen on x64.
2013-03-18 07:39:12 +01:00
Ondrej Bilka
80f844c9d8
Remove Prefer_SSE_for_memop on x64
2013-03-11 15:39:08 +01:00
Ondrej Bilka
87bd9bc4bd
Revert " * sysdeps/x86_64/strlen.S: Replace with new SSE2 based implementation"
...
This reverts commit b79188d717
2013-03-06 22:27:18 +01:00
Ondrej Bilka
b79188d717
* sysdeps/x86_64/strlen.S: Replace with new SSE2 based implementation
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which is faster on all x86_64 architectures.
Tested on AMD, Intel Nehalem, SNB, IVB.
2013-03-06 21:54:01 +01:00
Roland McGrath
f1d70dad53
Remove lots of inline keywords.
2013-02-07 14:44:18 -08:00
H.J. Lu
afec409af9
Change __x86_64 prefix in cache size to __x86
2013-01-05 16:00:38 -08:00
H.J. Lu
5d7dd1ca84
Add HAS_RTM
2013-01-03 09:38:20 -08:00
Joseph Myers
568035b787
Update copyright notices with scripts/update-copyrights.
2013-01-02 19:05:09 +00:00
Pino Toscano
94558d30b1
test-multiarch: terminate printf output with newline
2012-11-22 11:34:03 +01:00
H.J. Lu
f62c8abcfb
Compile x86 rtld with -mno-sse -mno-mmx
2012-11-02 18:43:27 -07:00
H.J. Lu
ac49ecaf9d
Add x86-64 __libc_ifunc_impl_list
2012-10-11 16:41:12 -07:00
H.J. Lu
9a387d1f78
Use IFUNC memmove/memset in x86-64 bcopy/bzero
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Also add separate tests for bcopy and bzero.
2012-10-11 13:58:16 -07:00
H.J. Lu
0569936773
Define HAS_FMA with bit_FMA_Usable
2012-10-02 05:05:17 -07:00
H.J. Lu
31ed415328
Don't define x86-64 __strncmp_ssse3 in libc.a
2012-09-27 07:43:03 -07:00
Roland McGrath
7312ca90dc
Clean up x86_64/multiarch/strstr-c.c include order.
2012-08-15 11:38:57 -07:00
Roland McGrath
9a0a54864b
Clean up x86_64/multiarch/memmove.c include order.
2012-08-15 11:26:02 -07:00
H.J. Lu
f85fa27058
Avoid DWARF definition DIE on ifunc symbols
2012-08-09 16:04:37 -07:00
Carlos O'Donell
1a0994f535
BZ#14059: Fix AVX and FMA4 detection.
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Fix AVX and FMA4 detection by following the guidelines
set out by Intel and AMD for detecting these features.
2012-05-17 06:59:28 -07:00
H.J. Lu
70bc83b910
Load pointers into RAX_LP in strcmp-sse42.S
2012-05-15 09:59:31 -07:00
H.J. Lu
9bc0b730a6
Load cache sizes into R*_LP in memcpy-ssse3.S
2012-05-15 09:58:28 -07:00
H.J. Lu
6d2850e7f5
Load cache sizes into R*_LP in memcpy-ssse3-back.S
2012-05-15 09:56:17 -07:00
H.J. Lu
8a17f34979
Load cache size into R8_LP
2012-05-15 09:35:43 -07:00
Paul Eggert
59ba27a63a
Replace FSF snail mail address with URLs.
2012-02-09 23:18:22 +00:00
Ulrich Drepper
08cf777f9e
Really fix AVX tests
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There is no problem with strcmp, it doesn't use the YMM registers.
The math routines might since gcc perhaps generates such code.
Introduce bit_YMM_USBALE and use it in the math routines.
2012-01-26 09:45:54 -05:00
Ulrich Drepper
afc5ed09cb
Reset bit_AVX in __cpu_features is OS support is missing
2012-01-26 07:45:14 -05:00
Liubov Dmitrieva
15db4de19d
Fix overrun in destination buffer
2011-12-23 12:02:15 -05:00
Ulrich Drepper
370a7d88f7
WP fixes
2011-12-17 14:41:05 -05:00
Ulrich Drepper
1d3e4b618a
Optimized wcschr and wcscpy for x86-64 and x86-32
2011-12-17 14:39:23 -05:00
Ulrich Drepper
aff2453df7
Fix more warnings
2011-12-03 21:49:35 -05:00
Ulrich Drepper
34372fc6d3
Fix test of non-ASCII locales in x86-64 strcasecmp et.al.
2011-11-01 16:46:23 -04:00
Ulrich Drepper
52e4b9eb62
More cleanups of x86-64 strstr
2011-10-28 19:01:48 -04:00
Ulrich Drepper
fd52bc6dc4
Clean up x86-64 strcasestr
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Actually describe in the C code what is going on.
2011-10-28 18:18:04 -04:00
Ulrich Drepper
e0016b11d6
Add AVX optimized versions for some x86-64 math functions
2011-10-25 21:34:55 -04:00
Ulrich Drepper
618280a192
Optimize x86-64 SSE4.2+ strcmp a bit more
2011-10-25 14:50:31 -04:00
Ulrich Drepper
09229f3e1b
Fix WS
2011-10-23 14:57:28 -04:00
Liubov Dmitrieva
ce7dd29f28
Optimized strnlen and wcscmp for x86-64
2011-10-23 14:56:04 -04:00
Ulrich Drepper
c196fed8f0
Fix compilation problems in x86-64 init-arch
2011-10-21 20:47:20 -04:00
Ulrich Drepper
ed72b6545f
Check for FMA4 support and generate appropriate fma functions
2011-10-20 22:43:15 -04:00
Ulrich Drepper
8d4f46c613
Move fma routines to right place
2011-10-20 21:55:41 -04:00
Ulrich Drepper
855d156018
Optimize x86-64 rawmemchr and add test
2011-10-19 22:22:29 -04:00
Ulrich Drepper
d9a4d2ab27
Add optimized str{,n}casecmp for AVX on x86-64
2011-10-19 12:42:38 -04:00
Ulrich Drepper
2d1f3a4db6
Fix WS
2011-10-15 11:11:12 -04:00
Liubov Dmitrieva
be13f7bff6
Optimized memcmp and wmemcmp for x86-64 and x86-32
2011-10-15 11:10:08 -04:00
Liubov Dmitrieva
093ecf9299
Improve 64 bit memchr, memrchr, rawmemchr with SSE2
2011-10-07 11:49:10 -04:00
Ulrich Drepper
ceaa0c5dc3
Move Atom-optimized code out of the way and together
2011-09-06 21:53:03 -04:00
Ulrich Drepper
6d18b67f4d
Fix whitespaces
2011-09-05 21:42:12 -04:00
Liubov Dmitrieva
a5f524e479
Add Atom-optimized strchr and strrchr for x86-64
2011-09-05 21:34:03 -04:00
Andreas Schwab
8c1a459f9a
Fix inline strncat/strncmp on x86
2011-08-04 14:59:25 -04:00
Ulrich Drepper
21137f89c5
Fix overflow bug is optimized strncat for x86-64
2011-07-21 12:32:36 -04:00
Ulrich Drepper
8002999481
Fix whitespaces
2011-07-19 17:27:09 -04:00
Liubov Dmitrieva
99710781cc
Improve 64 bit strcat functions with SSE2/SSSE3
2011-07-19 17:11:54 -04:00
H.J. Lu
8912479f9e
Improved st{r,p}{,n}cpy for SSE2 and SSSE3 on x86-64
2011-06-24 15:14:22 -04:00
H.J. Lu
0b1cbaaef5
Optimized st{r,p}{,n}cpy for SSE2/SSSE3 on x86-32
2011-06-24 14:15:32 -04:00
H.J. Lu
3d29045b5e
Assume Intel Core i3/i5/i7 processor if AVX is available
2011-06-03 07:01:25 -04:00
Mike Frysinger
4c559bcdf3
Fix static linking with checking x86/x86-64 memcpy.
2011-04-17 22:20:47 -04:00
H.J. Lu
0354e35501
Work around old buggy program which cannot cope with memcpy semantics.
2011-04-01 19:38:21 -04:00
H.J. Lu
c97a1282a4
Handle page boundaries in x86 SSE4.2 strncmp.
2011-03-21 05:35:38 -04:00
Harsha Jagasia
7e4ba49cd3
Enable SSE2 memset for AMD'supcoming Orochi processor.
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This patch enables SSE2 memset for AMD's upcoming Orochi processor.
This patch also fixes the following bug:
For misaligned blocks larger than > 144 Bytes, memset branches into
the integer code path depending on the value of misalignment even if
the startup code chooses the SSE2 code path upfront, when multiarch
is enabled.
2011-03-04 23:30:08 -05:00
Roland McGrath
a0bf67cca2
Fix some warning nits.
2011-02-04 10:53:51 -08:00
H.J. Lu
13b695749a
Support Intel processor model 6 and model 0x2.
2010-11-12 03:48:52 -05:00
H.J. Lu
8ca52c6e3b
Fix one exit path in x86-64 SSE4.2 str{,n}casecmp.
2010-11-10 03:05:37 -05:00
H.J. Lu
ff02d5280b
Use IFUNC on x86-64 memset
2010-11-08 03:41:34 -05:00
Richard Li
dbf3a06904
Fix x86-64 strchr propagation of search byte into all bytes of SSE register
2010-10-25 14:13:17 -04:00
Jakub Jelinek
5e908464b9
Implement accurate fma.
2010-10-13 22:27:03 -04:00
Jakub Jelinek
9ff8d36f27
Correct implementation of fmaf.
2010-10-11 09:27:05 -04:00
Ulrich Drepper
015a4c6193
Re-enable all strncasecmp versions.
2010-09-20 20:18:00 -07:00
Ulrich Drepper
8ffcee4a04
Fix limit detection in x86-64 SSE2 strncasecmp.
2010-09-20 14:02:23 -07:00
Ulrich Drepper
9ea3de11f1
Move slow Atom code to separate section.
2010-08-26 22:17:03 -07:00
H.J. Lu
623aac7f84
Unroll x86-64 strlen
2010-08-26 22:09:34 -07:00
H.J. Lu
b416a90085
Missing comma in last commit.
2010-08-26 13:18:46 -07:00
Roland McGrath
8b2b771538
Clean up warnings in new x86_64/multiarch code.
2010-08-25 12:13:08 -07:00
H.J. Lu
e73015f2d6
Unroll 32bit SSE strlen and handle slow bsf
2010-08-25 10:07:37 -07:00
Ulrich Drepper
1cdfe7242f
Add missing copyright year updated and pretty printing.
2010-08-24 11:42:19 -07:00
Richard Henderson
73f27d5e72
Clean up SSE variable shifts
2010-08-24 11:35:01 -07:00
Ulrich Drepper
9da4bb316f
Fix two typos in x86-64 SSE4.2 strncasecmp implementation.
2010-08-19 09:20:44 -07:00
Ulrich Drepper
1feccb6caf
Fix fourth parameter of SSE4.2 strcmp for x86-64.
2010-08-15 20:46:09 -07:00
Ulrich Drepper
e9f82e0d1d
Add optimized strncasecmp versions for x86-64.
2010-08-14 22:04:01 -07:00
Ulrich Drepper
ca6bb004eb
Fix x86-64 build without multiarch.
2010-08-14 14:56:32 -07:00
Ulrich Drepper
73507d3ae0
Add support for SSSE3 and SSE4.2 versions of strcasecmp on x86-64.
2010-07-31 21:41:09 -07:00
Ulrich Drepper
66f6765a47
Pretty printing x86-64 SSE4.3 strcmp.
2010-07-30 12:54:37 -07:00
Ulrich Drepper
fe36dd025e
Fix tolower operation in strcasestr.
2010-07-30 00:09:07 -07:00
Ulrich Drepper
880113d91e
Avoid compiling unneeded file in ld.so.
2010-07-27 21:12:59 -07:00
Ulrich Drepper
8e96b93aa7
Speed up x86-64 strcasestr a bit moew.
...
Using the new SSE4.2 instructions is cool but not really the fastest.
Some older SSE instructions can do the trick faster.
2010-07-24 08:34:44 -07:00
Andreas Schwab
f6a31e0eb6
Add strcasestr-nonascii to i386 build
2010-07-21 07:26:18 -07:00
Ulrich Drepper
d02dc4ba08
Fix non-ASCII case of SSE4.2 strcasstr.
2010-07-16 16:00:22 -07:00
Ulrich Drepper
cc9f2e47a0
Speed up SSE4.2 strcasestr by avoiding indirect function call.
2010-07-16 15:37:38 -07:00
H.J. Lu
6fb8cbcb58
Improve 64bit memcpy/memmove for Atom, Core 2 and Core i7
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This patch includes optimized 64bit memcpy/memmove for Atom, Core 2 and
Core i7. It improves memcpy by up to 3X on Atom, up to 4X on Core 2 and
up to 1X on Core i7. It also improves memmove by up to 3X on Atom, up to
4X on Core 2 and up to 2X on Core i7.
2010-06-30 08:26:11 -07:00
H.J. Lu
3c88fe1e3a
Incorrect x86 CPU family and model check.
2010-05-27 11:14:18 -07:00
H.J. Lu
df87f54923
Check DATA_CACHE_SIZE_HALF
2010-04-14 22:18:27 -07:00
H.J. Lu
dd37cd1a12
Optimie x86-64 SSE4 memcmp for unaligned data.
2010-04-14 17:53:44 -07:00
