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sha512-sparcv9.pl: minor optimization of sha256.
author
Andy Polyakov
<appro@openssl.org>
Mon, 18 Jul 2011 11:34:07 +0000
(11:34 +0000)
committer
Andy Polyakov
<appro@openssl.org>
Mon, 18 Jul 2011 11:34:07 +0000
(11:34 +0000)
crypto/sha/asm/sha512-sparcv9.pl
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diff --git
a/crypto/sha/asm/sha512-sparcv9.pl
b/crypto/sha/asm/sha512-sparcv9.pl
index ec5d78135e11439e4e529e85b952da143fd439b8..585740789e63e780cc7bb2549d120bf0d13090af 100644
(file)
--- a/
crypto/sha/asm/sha512-sparcv9.pl
+++ b/
crypto/sha/asm/sha512-sparcv9.pl
@@
-305,9
+305,9
@@
$code.=<<___;
srlx @X[(($i+9)/2)%8],32,$tmp1 ! X[i+9]
xor $tmp0,$tmp2,$tmp2 ! sigma1(X[i+14])
srl @X[($i/2)%8],0,$tmp0
srlx @X[(($i+9)/2)%8],32,$tmp1 ! X[i+9]
xor $tmp0,$tmp2,$tmp2 ! sigma1(X[i+14])
srl @X[($i/2)%8],0,$tmp0
+ add $tmp2,$tmp1,$tmp1
add $xi,$T1,$T1 ! +=X[i]
xor $tmp0,@X[($i/2)%8],@X[($i/2)%8]
add $xi,$T1,$T1 ! +=X[i]
xor $tmp0,@X[($i/2)%8],@X[($i/2)%8]
- add $tmp2,$T1,$T1
add $tmp1,$T1,$T1
srl $T1,0,$T1
add $tmp1,$T1,$T1
srl $T1,0,$T1
@@
-318,9
+318,9
@@
___
$code.=<<___;
srlx @X[($i/2)%8],32,$tmp1 ! X[i]
xor $tmp0,$tmp2,$tmp2 ! sigma1(X[i+14])
$code.=<<___;
srlx @X[($i/2)%8],32,$tmp1 ! X[i]
xor $tmp0,$tmp2,$tmp2 ! sigma1(X[i+14])
- srl @X[($i/2)%8],0,@X[($i/2)%8]
add $xi,$T1,$T1 ! +=X[i+9]
add $xi,$T1,$T1 ! +=X[i+9]
- add $tmp2,$T1,$T1
+ add $tmp2,$tmp1,$tmp1
+ srl @X[($i/2)%8],0,@X[($i/2)%8]
add $tmp1,$T1,$T1
sllx $T1,32,$tmp0
add $tmp1,$T1,$T1
sllx $T1,32,$tmp0