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Commentary update motivating code update in 0.9.7.

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This commit is contained in:
Andy Polyakov 2005-05-04 14:51:38 +00:00
parent 70cf309517
commit 0ee883650d
1 changed files with 4 additions and 4 deletions
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8
crypto/rc4/asm/rc4-x86_64.pl
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@ -45,9 +45,9 @@
# achieves respectful 432MBps on 2.8GHz processor now. For reference. # achieves respectful 432MBps on 2.8GHz processor now. For reference.
# If executed on Xeon, current RC4_CHAR code-path is 2.7x faster than # If executed on Xeon, current RC4_CHAR code-path is 2.7x faster than
# RC4_INT code-path. While if executed on Opteron, it's only 25% # RC4_INT code-path. While if executed on Opteron, it's only 25%
# slower slower than the RC4_INT one [meaning that if detecting CPU # slower than the RC4_INT one [meaning that if CPU µ-arch detection
# is not desired, then RC4_CHAR code-path should be preferred, as it # is not implemented, then this final RC4_CHAR code-path should be
# provides better *all-round* performance]. # preferred, as it provides better *all-round* performance].
$output=shift; $output=shift;
open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output"; open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output";
@ -184,7 +184,7 @@ $code.=<<___;
add $TX[0]#b,$YY#b add $TX[0]#b,$YY#b
lea 1($XX[0]),$XX[1] lea 1($XX[0]),$XX[1]
movzb ($dat,$YY),$TY#d movzb ($dat,$YY),$TY#d
movzb $XX[1]#b,$XX[1] movzb $XX[1]#b,$XX[1]#d
movzb ($dat,$XX[1]),$TX[1]#d movzb ($dat,$XX[1]),$TX[1]#d
movb $TX[0]#b,($dat,$YY) movb $TX[0]#b,($dat,$YY)
cmp $XX[1],$YY cmp $XX[1],$YY