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Author SHA1 Message Date
Andy Polyakov
1751034669 Typo in crypto/bn/asm/x86_64.c, bn_div_words(). 
PR: 821
 2004-02-07 09:51:28 +00:00
Andy Polyakov
722d17cbac This is an *initial* tune-up. This update puts Itanium2 back on par with 
Itanium. I mean if overall performance improvement over C version was X
for Itanium, it's X even for Itanium2.
 2003-01-19 21:29:59 +00:00
Richard Levitte
2f09524501 A few more files to ignore 2003-01-16 21:32:56 +00:00
Andy Polyakov
46a0d4fbcb Support for ILP32 on HPUX-IA64. 2003-01-03 15:10:46 +00:00
Andy Polyakov
04945fda66 pa-risc2.s was not PIC, see RT#426. I strip call to fprintf as it's 
never called anyway (it's a debugging assertion). If pa-risc2W.s is
PIC remains to be seen...
 2003-01-03 10:52:40 +00:00
Richard Levitte
e9883d285d Finally, a bn_div_words() in VAX assembler that goes through all tests. 
PR: 413
 2002-12-23 11:25:51 +00:00
Richard Levitte
9b58214e4a More accurate comments. 2002-12-20 16:38:36 +00:00
Andy Polyakov
2f98abbcb6 x86_64 performance patch. 2002-12-14 20:42:05 +00:00
Richard Levitte
6ab285bf4c I think I got it now. Apparently, the case of having to shift down 
the divisor was a bit more complex than I first saw.  The lost bit
can't just be discarded, as there are cases where it is important.
For example, look at dividing 320000 with 80000 vs. 80001 (all
decimals), the difference is crucial.  The trick here is to check if
that lost bit was 1, and in that case, do the following:

1. subtract the quotient from the remainder
2. as long as the remainder is negative, add the divisor (the whole
   divisor, not the shofted down copy) to it, and decrease the
   quotient by one.

There's probably a nice mathematical proof for this already, but I
won't bother with that, unless someone requests it from me.
 2002-12-02 21:31:45 +00:00
Richard Levitte
1d3159bcca Make some names consistent. 2002-12-02 02:40:27 +00:00
Richard Levitte
f60ceb54eb Through some experimentation and thinking, I think I finally got the 
proper implementation of bn_div_words() for VAX.

If the tests go through well, the next step will be to test on Alpha.
 2002-12-02 02:28:27 +00:00
Richard Levitte
0f995b2f40 Small bugfix: even when r == d, we need to adjust r and q. 
PR: 366
 2002-12-01 02:17:23 +00:00
Richard Levitte
a678430602 Redo the VAX assembler version of bn_div_words(). 
PR: 366
 2002-12-01 00:49:36 +00:00
Andy Polyakov
622d3d3592 Support for Intel and HP-UXi assemblers. 2001-07-30 15:54:13 +00:00
Andy Polyakov
19a6e8b32c This fixes "Spurious test failures on IRIX?" reported in April. Apparently 
I was wrong in conclusions about when addition starts overflowing in combaX
routines.
 2001-06-22 19:17:42 +00:00
Andy Polyakov
52c0d30078 Get rid of "possible WAW dependency" warnings. 
Submitted by:
Reviewed by:
PR:
 2001-06-11 12:47:52 +00:00
Andy Polyakov
a95541d61e Get rid of RAW dependency warnings. 
Submitted by:
Reviewed by:
PR:
 2001-05-30 22:01:33 +00:00
Andy Polyakov
4cb73bf8e4 Assembler support for IA-64. See the source code commentary for further 
details (performance numbers and accompanying discussions:-). Note that
the code is not engaged in ./Configure yet. I'll add it later this week
along with updates for .spec file.

Submitted by:
Reviewed by:
PR:
 2001-05-28 20:02:51 +00:00
Richard Levitte
81b5eeed6a branch on equal is beql, not beq... 2001-05-14 22:10:09 +00:00
Andy Polyakov
500230ee94 The IRIX fix. Asm recap and corresponding declation. 
Submitted by:
Reviewed by:
PR:
 2001-03-27 22:30:46 +00:00
Richard Levitte
754d494bef Bug fixes. 2001-03-09 01:13:23 +00:00
Bodo Möller
09f4bd2a39 Very few in the "README" is up-to-date 2000-12-15 10:42:11 +00:00
Ulf Möller
3bb4736289 remove a comment that shouldn't have been there any more 2000-12-06 16:30:23 +00:00
Ulf Möller
a6576c56dd remove useless instruction 2000-12-06 04:48:50 +00:00
Ulf Möller
240f516939 Intel assembler version for bn_sub_part_words(). I haven't got 
reliable timings yet, please try it out!
 2000-12-06 04:16:38 +00:00
Richard Levitte
73343ac38a Correct a number of syntax errors. 2000-11-22 18:20:31 +00:00
Richard Levitte
c4f3542abf Reimplement bn_div_words, bn_add_words and bn_sub_words for VAX. 
I'm a little bit nervous about bn_div_words, as I don't know what it's
supposed to return on overflow.  For now, I trust the rest of the
system to give it numbers that will not cause any overflow...
 2000-11-21 23:32:38 +00:00
Richard Levitte
6df3553255 A compiler warning removed. Thanks to the folks at HP! 2000-09-27 13:54:28 +00:00
Richard Levitte
d0c2ebf414 A patch from HP for better performance. 
Submitted by Kevin Steves <ks@hp.se> 3 months ago...
 2000-09-17 20:04:42 +00:00
Bodo Möller
88f17a5e98 Remove Win32 assembler files. They are always rebuilt (with some 
choice of parameters) when they are needed.
 2000-03-13 08:04:20 +00:00
Ulf Möller
775c63fc02 Reorganize bn_mul.c (no bugfix yet), remove obsolete files in BN library. 2000-02-26 22:16:47 +00:00
Mark J. Cox
ce2c95b2a2 Fix assembler for Alpha (tested only on DEC OSF not Linux or *BSD). The 
problem was that one of the replacement routines had not been working since
SSLeay releases.  For now the offending routine has been replaced with
non-optimised assembler.  Even so, this now gives around 95% performance
improvement for 1024 bit RSA signs.
 1999-11-03 14:10:10 +00:00
Andy Polyakov
0bbd03525e Minor MIPS III/IV tune-up. 1999-08-24 16:02:16 +00:00
Andy Polyakov
0dd25e3606 Bignum division tune-up. Idea is to move multiplications in front of 
loop body and replace 'em with addition/subtraction.
 1999-07-30 11:43:43 +00:00
Andy Polyakov
fccbb9b34f - performance retunes, v8plus bn_*_comba routines are reimplemented; 
- support for GNU assembler (read SPARC Linux);
 1999-07-25 12:34:30 +00:00
Ulf Möller
40e29b1976 Remove obsolete files. 1999-07-22 21:57:41 +00:00
Andy Polyakov
7363455fac MIPS III/IV assembler module is reimplemented. 1999-07-20 15:50:20 +00:00
Andy Polyakov
eaccfe8b29 crypto/bn/asm/mips3.s is moved to crypto/bn/asm/obsolete/ 1999-07-20 13:43:26 +00:00
Andy Polyakov
d2759c2135 crypto/bn/asm/mips3.s is obsolete. I'm moving it to crypto/bn/asm/obsolete 
in order to replace it with a new version.
 1999-07-20 13:40:02 +00:00
Ulf Möller
7d7d2cbcb0 VMS support. 
Submitted by: Richard Levitte <richard@levitte.org>
 1999-05-13 11:37:32 +00:00
Ulf Möller
0894315642 Superseded by sparcv8.S and sparcv8plus.s. 1999-05-08 10:39:15 +00:00
Ulf Möller
98f1c689a5 Fix problem with /usr/ccs/lib/cpp. 
Submitted by: Andy Polyakov <appro@fy.chalmers.se>
 1999-05-05 11:27:56 +00:00
Ulf Möller
4f5fac8011 Sparc v8plus assembler. 
Submitted by: Andy Polyakov <appro@fy.chalmers.se>
 1999-05-04 20:35:18 +00:00
Ulf Möller
5e85b6abaf SPARC v8 assembler BIGNUM code. 
Submitted by: Andy Polyakov <appro@fy.chalmers.se>
 1999-04-19 13:41:45 +00:00
Ulf Möller
e8d628156f Remove obsolete files from SSLeay 0.8. 1999-04-06 15:22:55 +00:00
Ben Laurie
67da3df72e Fix Alpha assembler, remove redundant file. 1999-03-27 12:53:21 +00:00
Ralf S. Engelschall
74cc3698bd More CVS ignore stuff... 1999-02-25 09:06:30 +00:00
Ben Laurie
65b8ca07a5 Tidy up asm stuff. 1999-02-12 19:05:10 +00:00
Ralf S. Engelschall
651d0aff98 Various cleanups and fixed by Marc and Ralf to start the OpenTLS project 1998-12-22 15:04:48 +00:00
Ralf S. Engelschall
31b8d86844 This commit was generated by cvs2svn to track changes on a CVS vendor 
branch.
 1998-12-21 11:00:56 +00:00