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Fix assembler for Alpha (tested only on DEC OSF not Linux or *BSD). The

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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.
This commit is contained in:
Mark J. Cox 1999-11-03 14:10:10 +00:00
parent b05eaeb545
commit ce2c95b2a2
3 changed files with 1869 additions and 564 deletions
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7
CHANGES
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@ -4,6 +4,13 @@
Changes between 0.9.4 and 0.9.5 [xx XXX 1999] Changes between 0.9.4 and 0.9.5 [xx XXX 1999]
*) 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.
[Mark Cox]
*) Hack to fix PKCS#7 decryption when used with some unorthodox RC2 *) Hack to fix PKCS#7 decryption when used with some unorthodox RC2
handling. Most clients have the effective key size in bits equal to handling. Most clients have the effective key size in bits equal to
the key length in bits: so a 40 bit RC2 key uses a 40 bit (5 byte) key. the key length in bits: so a 40 bit RC2 key uses a 40 bit (5 byte) key.

9
Configure
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@ -198,15 +198,12 @@ my %table=(
# Dec Alpha, OSF/1 - the alpha164-cc is the flags for a 21164A with # Dec Alpha, OSF/1 - the alpha164-cc is the flags for a 21164A with
# the new compiler # the new compiler
# For gcc, the following gave a %50 speedup on a 164 over the 'DES_INT' version # For gcc, the following gave a %50 speedup on a 164 over the 'DES_INT' version
"alpha-gcc","gcc:-O3::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_RISC1:::", "alpha-gcc","gcc:-O3::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_UNROLL DES_RISC1:asm/alpha.o::",
"alpha-cc", "cc:-std1 -tune host -O4 -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK:::", "alpha-cc", "cc:-std1 -tune host -O4 -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK:asm/alpha.o::",
"alpha164-cc", "cc:-std1 -tune host -fast -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK:::", "alpha164-cc", "cc:-std1 -tune host -fast -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK:asm/alpha.o::",
"FreeBSD-alpha","gcc:-DTERMIOS -O3 -fomit-frame-pointer::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_PTR DES_RISC2:::", "FreeBSD-alpha","gcc:-DTERMIOS -O3 -fomit-frame-pointer::(unknown)::SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_PTR DES_RISC2:::",
# assembler versions -- currently defunct: # assembler versions -- currently defunct:
##"alpha-gcc","gcc:-O3::(unknown)::SIXTY_FOUR_BIT_LONG DES_UNROLL DES_RISC1:asm/alpha.o::",
##"alpha-cc", "cc:-tune host -O4 -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG:asm/alpha.o::",
##"alpha164-cc", "cc:-tune host -fast -readonly_strings::(unknown)::SIXTY_FOUR_BIT_LONG:asm/alpha.o::",
##"OpenBSD-alpha","gcc:-DTERMIOS -O3 -fomit-frame-pointer::(unknown):SIXTY_FOUR_BIT_LONG DES_INT DES_PTR DES_RISC2:asm/alpha.o::", ##"OpenBSD-alpha","gcc:-DTERMIOS -O3 -fomit-frame-pointer::(unknown):SIXTY_FOUR_BIT_LONG DES_INT DES_PTR DES_RISC2:asm/alpha.o::",
# The intel boxes :-), It would be worth seeing if bsdi-gcc can use the # The intel boxes :-), It would be worth seeing if bsdi-gcc can use the

2417
crypto/bn/asm/alpha.s
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