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41 commits

Author SHA1 Message Date
David Benjamin
d67e755418 Fix comment typo. 
Reviewed-by: Ben Kaduk <kaduk@mit.edu>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4023)
 2017-07-26 23:10:52 -04:00
Andy Polyakov
d84df59440 crypto/x86_64cpuid.pl: fix typo in Knights Landing detection. 
Thanks to David Benjamin for spotting this!

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4009)
 2017-07-25 21:27:47 +02:00
Andy Polyakov
64d92d7498 x86_64 assembly pack: "optimize" for Knights Landing, add AVX-512 results. 
"Optimize" is in quotes because it's rather a "salvage operation"
for now. Idea is to identify processor capability flags that
drive Knights Landing to suboptimial code paths and mask them.
Two flags were identified, XSAVE and ADCX/ADOX. Former affects
choice of AES-NI code path specific for Silvermont (Knights Landing
is of Silvermont "ancestry"). And 64-bit ADCX/ADOX instructions are
effectively mishandled at decode time. In both cases we are looking
at ~2x improvement.

AVX-512 results cover even Skylake-X :-)

Hardware used for benchmarking courtesy of Atos, experiments run by
Romain Dolbeau <romain.dolbeau@atos.net>. Kudos!

Reviewed-by: Rich Salz <rsalz@openssl.org>
 2017-07-21 14:07:32 +02:00
Andy Polyakov
1aed5e1ac2 crypto/x86*cpuid.pl: move extended feature detection. 
Exteneded feature flags were not pulled on AMD processors, as result
a number of extensions were effectively masked on Ryzen. Original fix
for x86_64cpuid.pl addressed this problem, but messed up processor
vendor detection. This fix moves extended feature detection past
basic feature detection where it belongs. 32-bit counterpart is
harmonized too.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
 2017-03-13 18:42:10 +01:00
Andy Polyakov
f8418d87e1 crypto/x86_64cpuid.pl: move extended feature detection upwards. 
Exteneded feature flags were not pulled on AMD processors, as result a
number of extensions were effectively masked on Ryzen. It should have
been reported for Excavator since it implements AVX2 extension, but
apparently nobody noticed or cared...

Reviewed-by: Rich Salz <rsalz@openssl.org>
 2017-03-07 11:17:32 +01:00
Andy Polyakov
5e32cfb2b6 crypto/x86_64cpuid.pl: add CFI annotations. 
Reviewed-by: Rich Salz <rsalz@openssl.org>
 2017-02-26 21:26:27 +01:00
Andy Polyakov
66bee01c82 crypto/x86_64cpuid.pl: detect if kernel preserves %zmm registers. 
Reviewed-by: Rich Salz <rsalz@openssl.org>
 2017-02-03 12:21:50 +01:00
Andy Polyakov
9c940446f6 crypto/x86[_64]cpuid.pl: add OPENSSL_ia32_rd[rand|seed]_bytes. 
Reviewed-by: Richard Levitte <levitte@openssl.org>
 2016-07-15 13:20:52 +02:00
Andy Polyakov
cfe1d9929e x86_64 assembly pack: tolerate spaces in source directory name. 
[as it is now quoting $output is not required, but done just in case]

Reviewed-by: Richard Levitte <levitte@openssl.org>
 2016-05-29 14:12:51 +02:00
Andy Polyakov
e33826f01b Add assembly CRYPTO_memcmp. 
GH: #102

Reviewed-by: Richard Levitte <levitte@openssl.org>
 2016-05-19 22:33:00 +02:00
Rich Salz
e0a651945c Copyright consolidation: perl files 
Add copyright to most .pl files
This does NOT cover any .pl file that has other copyright in it.
Most of those are Andy's but some are public domain.
Fix typo's in some existing files.

Reviewed-by: Richard Levitte <levitte@openssl.org>
 2016-04-20 09:45:40 -04:00
Andy Polyakov
f4d456408d x86[_64]cpuid.pl: add low-level RDSEED. 2014-02-14 17:24:12 +01:00
Andy Polyakov
46bf83f07a x86_64 assembly pack: make Windows build more robust. 
PR: 2963 and a number of others
 2013-01-22 22:27:28 +01:00
Andy Polyakov
c5cd28bd64 Extend OPENSSL_ia32cap_P with extra word to accomodate AVX2 capability. 2012-11-17 19:04:15 +00:00
Andy Polyakov
6251989eb6 x86_64 assembly pack: make it possible to compile with Perl located on 
path with spaces.

PR: 2835
 2012-06-27 10:08:23 +00:00
Andy Polyakov
ff6f9f96fd cryptlib.c, etc.: fix linker warnings in 64-bit Darwin build. 2011-11-12 13:10:00 +00:00
Andy Polyakov
4d01f2761d x86_64cpuid.pl: fix typo. 2011-06-04 13:08:25 +00:00
Andy Polyakov
301799b803 x86[_64]cpuid.pl: add function accessing rdrand instruction. 2011-06-04 12:20:45 +00:00
Andy Polyakov
4bb90087d7 x86[_64]cpuid.pl: harmonize usage of reserved bits #20 and #30. 2011-05-27 15:32:43 +00:00
Andy Polyakov
2bc3ad28b3 x86_64cpuid.pl: get AVX masking right. 2011-05-26 13:16:26 +00:00
Andy Polyakov
ddc20d4da9 x86_64cpuid.pl: allow shared build to work without -Bsymbolic. 
PR: 2466
 2011-05-18 16:24:19 +00:00
Andy Polyakov
b906422149 x86[_64]cpuid.pl: handle new extensions. 2011-05-16 20:35:11 +00:00
Andy Polyakov
5fabb88a78 Multiple assembler packs: add experimental memory bus instrumentation. 2011-04-17 12:46:00 +00:00
Andy Polyakov
3efe51a407 Revert previous Linux-specific/centric commit#19629. If it really has to 
be done, it's definitely not the way to do it. So far answer to the
question was to ./config -Wa,--noexecstack (adopted by RedHat).
 2010-05-05 22:05:39 +00:00
Ben Laurie
0e3ef596e5 Non-executable stack in asm. 2010-05-05 15:50:13 +00:00
Andy Polyakov
1fd79f66ea x86_64cpuid.pl: ml64 is allergic to db on label line. 2010-04-14 19:24:48 +00:00
Andy Polyakov
7676eebf42 OPENSSL_cleanse to accept zero length parameter [matching C implementation]. 2010-01-24 14:54:24 +00:00
Andy Polyakov
761393bba7 x86[_64]cpuid.pl: further refine shared cache detection. 2009-05-14 18:17:26 +00:00
Andy Polyakov
5cd91b5055 x86_64cpuid.pl: refine shared cache detection logic. 2009-05-12 21:01:13 +00:00
Andy Polyakov
aa8f38e49b x86_64 assembler pack to comply with updated styling x86_64-xlate.pl rules. 2008-11-12 08:15:52 +00:00
Andy Polyakov
89778b7f3f x86_64cpuid.pl cosmetics: harmonize $dir treatment with other modules. 2008-07-15 19:52:20 +00:00
Dr. Stephen Henson
a9e96d724d Use default value for $dir if it is empty. 2008-02-25 13:14:06 +00:00
Andy Polyakov
abe7f8b457 Make all x86_64 modules independent on current working directory. 2008-01-13 17:42:04 +00:00
Andy Polyakov
55eab3b74b Make x86_64 modules work under Win64/x64. 2007-08-23 12:01:58 +00:00
Andy Polyakov
3df2eff4bd x86*cpuid update. 2007-07-21 14:46:27 +00:00
Andy Polyakov
5d86336746 Flush output in x86_64cpuid.pl. 2007-06-21 11:39:35 +00:00
Andy Polyakov
b2dba9bf1f Profiling revealed that OPENSSL_cleanse consumes *more* CPU time than 
sha1_block_data_order when hashing short messages. Move OPENSSL_cleanse
to "cpuid" assembler module and gain 2x.
 2007-05-14 21:35:25 +00:00
Andy Polyakov
932cc129ee x86_64 assembler updates. 2007-05-14 15:57:19 +00:00
Andy Polyakov
9babf3929b RC4_set_key for x86_64 and Core2 optimization. 
PR: 1447
 2007-04-02 09:50:14 +00:00
Andy Polyakov
e442c36252 Solaris x86_64 /usr/ccs/bin/as support. 2005-06-20 14:56:48 +00:00
Andy Polyakov
5f1841cdca Rename amd64 modules to x86_64 and update RC4 implementation. 2005-05-03 15:42:05 +00:00
Renamed from crypto/amd64cpuid.pl (Browse further)