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Diffstat (limited to 'crypto/ripemd/asm/rmd-586.pl')
-rw-r--r--crypto/ripemd/asm/rmd-586.pl113
1 files changed, 61 insertions, 52 deletions
diff --git a/crypto/ripemd/asm/rmd-586.pl b/crypto/ripemd/asm/rmd-586.pl
index 4c8098ac6..e8b2bc2db 100644
--- a/crypto/ripemd/asm/rmd-586.pl
+++ b/crypto/ripemd/asm/rmd-586.pl
@@ -1,24 +1,23 @@
#!/usr/local/bin/perl
# Normal is the
-# ripemd160_block_x86(MD5_CTX *c, ULONG *X);
-# version, non-normal is the
-# ripemd160_block_x86(MD5_CTX *c, ULONG *X,int blocks);
+# ripemd160_block_asm_data_order(RIPEMD160_CTX *c, ULONG *X,int blocks);
$normal=0;
-push(@INC,"perlasm","../../perlasm");
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+push(@INC,"${dir}","${dir}../../perlasm");
require "x86asm.pl";
&asm_init($ARGV[0],$0);
-$A="eax";
-$B="ebx";
-$C="ecx";
-$D="edx";
+$A="ecx";
+$B="esi";
+$C="edi";
+$D="ebx";
$E="ebp";
-$tmp1="esi";
-$tmp2="edi";
+$tmp1="eax";
+$tmp2="edx";
$KL1=0x5A827999;
$KL2=0x6ED9EBA1;
@@ -58,13 +57,13 @@ $KR3=0x7A6D76E9;
8, 5,12, 9,12, 5,14, 6, 8,13, 6, 5,15,13,11,11,
);
-&ripemd160_block("ripemd160_block_x86");
+&ripemd160_block("ripemd160_block_asm_data_order");
&asm_finish();
sub Xv
{
local($n)=@_;
- return(&swtmp($n+1));
+ return(&swtmp($n));
# tmp on stack
}
@@ -82,7 +81,7 @@ sub RIP1
&comment($p++);
if ($p & 1)
{
- &mov($tmp1, $c) if $o == -1;
+ #&mov($tmp1, $c) if $o == -1;
&xor($tmp1, $d) if $o == -1;
&mov($tmp2, &Xv($pos));
&xor($tmp1, $b);
@@ -290,7 +289,7 @@ sub RIP5
&rotl($c, 10);
&lea($a, &DWP($K,$a,$tmp1,1));
&sub($tmp2, &Np($d)) if $o <= 0;
- &mov(&swtmp(1+16), $A) if $o == 1;
+ &mov(&swtmp(16), $A) if $o == 1;
&mov($tmp1, &Np($d)) if $o == 2;
&rotl($a, $s);
&add($a, $e);
@@ -310,19 +309,25 @@ sub ripemd160_block
# D 12
# E 16
+ &mov($tmp2, &wparam(0));
+ &mov($tmp1, &wparam(1));
&push("esi");
- &mov($C, &wparam(2));
+ &mov($A, &DWP( 0,$tmp2,"",0));
&push("edi");
- &mov($tmp1, &wparam(1)); # edi
+ &mov($B, &DWP( 4,$tmp2,"",0));
&push("ebp");
- &add($C, $tmp1); # offset we end at
+ &mov($C, &DWP( 8,$tmp2,"",0));
&push("ebx");
- &sub($C, 64);
- &stack_push(16+5+1);
- # XXX
-
- &mov(&swtmp(0), $C);
- &mov($tmp2, &wparam(0)); # Done at end of loop
+ &stack_push(16+5+6);
+ # Special comment about the figure of 6.
+ # Idea is to pad the current frame so
+ # that the top of the stack gets fairly
+ # aligned. Well, as you realize it would
+ # always depend on how the frame below is
+ # aligned. The good news are that gcc-2.95
+ # and later does keep first argument at
+ # least double-wise aligned.
+ # <appro@fy.chalmers.se>
&set_label("start") unless $normal;
&comment("");
@@ -332,16 +337,12 @@ sub ripemd160_block
for ($z=0; $z<16; $z+=2)
{
- &mov($A, &DWP( $z*4,$tmp1,"",0));
- &mov($B, &DWP( ($z+1)*4,$tmp1,"",0));
- &mov(&swtmp(1+$z), $A);
- &mov(&swtmp(1+$z+1), $B);
+ &mov($D, &DWP( $z*4,$tmp1,"",0));
+ &mov($E, &DWP( ($z+1)*4,$tmp1,"",0));
+ &mov(&swtmp($z), $D);
+ &mov(&swtmp($z+1), $E);
}
- &add($tmp1, 64);
- &mov($A, &DWP( 0,$tmp2,"",0));
- &mov(&wparam(1),$tmp1);
- &mov($B, &DWP( 4,$tmp2,"",0));
- &mov($C, &DWP( 8,$tmp2,"",0));
+ &mov($tmp1, $C);
&mov($D, &DWP(12,$tmp2,"",0));
&mov($E, &DWP(16,$tmp2,"",0));
@@ -431,14 +432,14 @@ sub ripemd160_block
&RIP5($B,$C,$D,$E,$A,$wl[79],$sl[79],$KL4,1);
# &mov($tmp2, &wparam(0)); # moved into last RIP5
- # &mov(&swtmp(1+16), $A);
+ # &mov(&swtmp(16), $A);
&mov($A, &DWP( 0,$tmp2,"",0));
- &mov(&swtmp(1+17), $B);
- &mov(&swtmp(1+18), $C);
+ &mov(&swtmp(16+1), $B);
+ &mov(&swtmp(16+2), $C);
&mov($B, &DWP( 4,$tmp2,"",0));
- &mov(&swtmp(1+19), $D);
+ &mov(&swtmp(16+3), $D);
&mov($C, &DWP( 8,$tmp2,"",0));
- &mov(&swtmp(1+20), $E);
+ &mov(&swtmp(16+4), $E);
&mov($D, &DWP(12,$tmp2,"",0));
&mov($E, &DWP(16,$tmp2,"",0));
@@ -530,47 +531,55 @@ sub ripemd160_block
# &mov($tmp2, &wparam(0)); # Moved into last round
&mov($tmp1, &DWP( 4,$tmp2,"",0)); # ctx->B
- &add($D, $tmp1);
- &mov($tmp1, &swtmp(1+18)); # $c
+ &add($D, $tmp1);
+ &mov($tmp1, &swtmp(16+2)); # $c
&add($D, $tmp1);
&mov($tmp1, &DWP( 8,$tmp2,"",0)); # ctx->C
&add($E, $tmp1);
- &mov($tmp1, &swtmp(1+19)); # $d
+ &mov($tmp1, &swtmp(16+3)); # $d
&add($E, $tmp1);
&mov($tmp1, &DWP(12,$tmp2,"",0)); # ctx->D
&add($A, $tmp1);
- &mov($tmp1, &swtmp(1+20)); # $e
+ &mov($tmp1, &swtmp(16+4)); # $e
&add($A, $tmp1);
&mov($tmp1, &DWP(16,$tmp2,"",0)); # ctx->E
&add($B, $tmp1);
- &mov($tmp1, &swtmp(1+16)); # $a
+ &mov($tmp1, &swtmp(16+0)); # $a
&add($B, $tmp1);
&mov($tmp1, &DWP( 0,$tmp2,"",0)); # ctx->A
&add($C, $tmp1);
- &mov($tmp1, &swtmp(1+17)); # $b
+ &mov($tmp1, &swtmp(16+1)); # $b
&add($C, $tmp1);
+ &mov($tmp1, &wparam(2));
+
&mov(&DWP( 0,$tmp2,"",0), $D);
&mov(&DWP( 4,$tmp2,"",0), $E);
&mov(&DWP( 8,$tmp2,"",0), $A);
- &mov(&DWP(12,$tmp2,"",0), $B);
- &mov(&DWP(16,$tmp2,"",0), $C);
+ &sub($tmp1,1);
+ &mov(&DWP(12,$tmp2,"",0), $B);
+ &mov(&DWP(16,$tmp2,"",0), $C);
- &mov($tmp2, &swtmp(0));
- &mov($tmp1, &wparam(1));
+ &jle(&label("get_out"));
+
+ &mov(&wparam(2),$tmp1);
+ &mov($C, $A);
+ &mov($tmp1, &wparam(1));
+ &mov($A, $D);
+ &add($tmp1, 64);
+ &mov($B, $E);
+ &mov(&wparam(1),$tmp1);
- &cmp($tmp2,$tmp1);
- &mov($tmp2, &wparam(0));
+ &jmp(&label("start"));
- # XXX
- &jge(&label("start"));
+ &set_label("get_out");
- &stack_pop(16+5+1);
+ &stack_pop(16+5+6);
&pop("ebx");
&pop("ebp");
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