You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
288 lines
5.5 KiB
288 lines
5.5 KiB
14 years ago
|
#!/usr/local/bin/perl
|
||
|
|
|
||
|
|
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
|
||
|
|
push(@INC,"${dir}","${dir}../../perlasm");
|
||
|
|
require "x86asm.pl";
|
||
|
|
|
||
|
|
&asm_init($ARGV[0],$0);
|
||
|
|
|
||
|
|
&bn_mul_comba("bn_mul_comba8",8);
|
||
|
|
&bn_mul_comba("bn_mul_comba4",4);
|
||
|
|
&bn_sqr_comba("bn_sqr_comba8",8);
|
||
|
|
&bn_sqr_comba("bn_sqr_comba4",4);
|
||
|
|
|
||
|
|
&asm_finish();
|
||
|
|
|
||
|
|
sub mul_add_c
|
||
|
|
{
|
||
|
|
local($a,$ai,$b,$bi,$c0,$c1,$c2,$pos,$i,$na,$nb)=@_;
|
||
|
|
|
||
|
|
# pos == -1 if eax and edx are pre-loaded, 0 to load from next
|
||
|
|
# words, and 1 if load return value
|
||
|
|
|
||
|
|
&comment("mul a[$ai]*b[$bi]");
|
||
|
|
|
||
|
|
# "eax" and "edx" will always be pre-loaded.
|
||
|
|
# &mov("eax",&DWP($ai*4,$a,"",0)) ;
|
||
|
|
# &mov("edx",&DWP($bi*4,$b,"",0));
|
||
|
|
|
||
|
|
&mul("edx");
|
||
|
|
&add($c0,"eax");
|
||
|
|
&mov("eax",&DWP(($na)*4,$a,"",0)) if $pos == 0; # laod next a
|
||
|
|
&mov("eax",&wparam(0)) if $pos > 0; # load r[]
|
||
|
|
###
|
||
|
|
&adc($c1,"edx");
|
||
|
|
&mov("edx",&DWP(($nb)*4,$b,"",0)) if $pos == 0; # laod next b
|
||
|
|
&mov("edx",&DWP(($nb)*4,$b,"",0)) if $pos == 1; # laod next b
|
||
|
|
###
|
||
|
|
&adc($c2,0);
|
||
|
|
# is pos > 1, it means it is the last loop
|
||
|
|
&mov(&DWP($i*4,"eax","",0),$c0) if $pos > 0; # save r[];
|
||
|
|
&mov("eax",&DWP(($na)*4,$a,"",0)) if $pos == 1; # laod next a
|
||
|
|
}
|
||
|
|
|
||
|
|
sub sqr_add_c
|
||
|
|
{
|
||
|
|
local($r,$a,$ai,$bi,$c0,$c1,$c2,$pos,$i,$na,$nb)=@_;
|
||
|
|
|
||
|
|
# pos == -1 if eax and edx are pre-loaded, 0 to load from next
|
||
|
|
# words, and 1 if load return value
|
||
|
|
|
||
|
|
&comment("sqr a[$ai]*a[$bi]");
|
||
|
|
|
||
|
|
# "eax" and "edx" will always be pre-loaded.
|
||
|
|
# &mov("eax",&DWP($ai*4,$a,"",0)) ;
|
||
|
|
# &mov("edx",&DWP($bi*4,$b,"",0));
|
||
|
|
|
||
|
|
if ($ai == $bi)
|
||
|
|
{ &mul("eax");}
|
||
|
|
else
|
||
|
|
{ &mul("edx");}
|
||
|
|
&add($c0,"eax");
|
||
|
|
&mov("eax",&DWP(($na)*4,$a,"",0)) if $pos == 0; # load next a
|
||
|
|
###
|
||
|
|
&adc($c1,"edx");
|
||
|
|
&mov("edx",&DWP(($nb)*4,$a,"",0)) if ($pos == 1) && ($na != $nb);
|
||
|
|
###
|
||
|
|
&adc($c2,0);
|
||
|
|
# is pos > 1, it means it is the last loop
|
||
|
|
&mov(&DWP($i*4,$r,"",0),$c0) if $pos > 0; # save r[];
|
||
|
|
&mov("eax",&DWP(($na)*4,$a,"",0)) if $pos == 1; # load next b
|
||
|
|
}
|
||
|
|
|
||
|
|
sub sqr_add_c2
|
||
|
|
{
|
||
|
|
local($r,$a,$ai,$bi,$c0,$c1,$c2,$pos,$i,$na,$nb)=@_;
|
||
|
|
|
||
|
|
# pos == -1 if eax and edx are pre-loaded, 0 to load from next
|
||
|
|
# words, and 1 if load return value
|
||
|
|
|
||
|
|
&comment("sqr a[$ai]*a[$bi]");
|
||
|
|
|
||
|
|
# "eax" and "edx" will always be pre-loaded.
|
||
|
|
# &mov("eax",&DWP($ai*4,$a,"",0)) ;
|
||
|
|
# &mov("edx",&DWP($bi*4,$a,"",0));
|
||
|
|
|
||
|
|
if ($ai == $bi)
|
||
|
|
{ &mul("eax");}
|
||
|
|
else
|
||
|
|
{ &mul("edx");}
|
||
|
|
&add("eax","eax");
|
||
|
|
###
|
||
|
|
&adc("edx","edx");
|
||
|
|
###
|
||
|
|
&adc($c2,0);
|
||
|
|
&add($c0,"eax");
|
||
|
|
&adc($c1,"edx");
|
||
|
|
&mov("eax",&DWP(($na)*4,$a,"",0)) if $pos == 0; # load next a
|
||
|
|
&mov("eax",&DWP(($na)*4,$a,"",0)) if $pos == 1; # load next b
|
||
|
|
&adc($c2,0);
|
||
|
|
&mov(&DWP($i*4,$r,"",0),$c0) if $pos > 0; # save r[];
|
||
|
|
&mov("edx",&DWP(($nb)*4,$a,"",0)) if ($pos <= 1) && ($na != $nb);
|
||
|
|
###
|
||
|
|
}
|
||
|
|
|
||
|
|
sub bn_mul_comba
|
||
|
|
{
|
||
|
|
local($name,$num)=@_;
|
||
|
|
local($a,$b,$c0,$c1,$c2);
|
||
|
|
local($i,$as,$ae,$bs,$be,$ai,$bi);
|
||
|
|
local($tot,$end);
|
||
|
|
|
||
|
|
&function_begin_B($name,"");
|
||
|
|
|
||
|
|
$c0="ebx";
|
||
|
|
$c1="ecx";
|
||
|
|
$c2="ebp";
|
||
|
|
$a="esi";
|
||
|
|
$b="edi";
|
||
|
|
|
||
|
|
$as=0;
|
||
|
|
$ae=0;
|
||
|
|
$bs=0;
|
||
|
|
$be=0;
|
||
|
|
$tot=$num+$num-1;
|
||
|
|
|
||
|
|
&push("esi");
|
||
|
|
&mov($a,&wparam(1));
|
||
|
|
&push("edi");
|
||
|
|
&mov($b,&wparam(2));
|
||
|
|
&push("ebp");
|
||
|
|
&push("ebx");
|
||
|
|
|
||
|
|
&xor($c0,$c0);
|
||
|
|
&mov("eax",&DWP(0,$a,"",0)); # load the first word
|
||
|
|
&xor($c1,$c1);
|
||
|
|
&mov("edx",&DWP(0,$b,"",0)); # load the first second
|
||
|
|
|
||
|
|
for ($i=0; $i<$tot; $i++)
|
||
|
|
{
|
||
|
|
$ai=$as;
|
||
|
|
$bi=$bs;
|
||
|
|
$end=$be+1;
|
||
|
|
|
||
|
|
&comment("################## Calculate word $i");
|
||
|
|
|
||
|
|
for ($j=$bs; $j<$end; $j++)
|
||
|
|
{
|
||
|
|
&xor($c2,$c2) if ($j == $bs);
|
||
|
|
if (($j+1) == $end)
|
||
|
|
{
|
||
|
|
$v=1;
|
||
|
|
$v=2 if (($i+1) == $tot);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{ $v=0; }
|
||
|
|
if (($j+1) != $end)
|
||
|
|
{
|
||
|
|
$na=($ai-1);
|
||
|
|
$nb=($bi+1);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$na=$as+($i < ($num-1));
|
||
|
|
$nb=$bs+($i >= ($num-1));
|
||
|
|
}
|
||
|
|
#printf STDERR "[$ai,$bi] -> [$na,$nb]\n";
|
||
|
|
&mul_add_c($a,$ai,$b,$bi,$c0,$c1,$c2,$v,$i,$na,$nb);
|
||
|
|
if ($v)
|
||
|
|
{
|
||
|
|
&comment("saved r[$i]");
|
||
|
|
# &mov("eax",&wparam(0));
|
||
|
|
# &mov(&DWP($i*4,"eax","",0),$c0);
|
||
|
|
($c0,$c1,$c2)=($c1,$c2,$c0);
|
||
|
|
}
|
||
|
|
$ai--;
|
||
|
|
$bi++;
|
||
|
|
}
|
||
|
|
$as++ if ($i < ($num-1));
|
||
|
|
$ae++ if ($i >= ($num-1));
|
||
|
|
|
||
|
|
$bs++ if ($i >= ($num-1));
|
||
|
|
$be++ if ($i < ($num-1));
|
||
|
|
}
|
||
|
|
&comment("save r[$i]");
|
||
|
|
# &mov("eax",&wparam(0));
|
||
|
|
&mov(&DWP($i*4,"eax","",0),$c0);
|
||
|
|
|
||
|
|
&pop("ebx");
|
||
|
|
&pop("ebp");
|
||
|
|
&pop("edi");
|
||
|
|
&pop("esi");
|
||
|
|
&ret();
|
||
|
|
&function_end_B($name);
|
||
|
|
}
|
||
|
|
|
||
|
|
sub bn_sqr_comba
|
||
|
|
{
|
||
|
|
local($name,$num)=@_;
|
||
|
|
local($r,$a,$c0,$c1,$c2)=@_;
|
||
|
|
local($i,$as,$ae,$bs,$be,$ai,$bi);
|
||
|
|
local($b,$tot,$end,$half);
|
||
|
|
|
||
|
|
&function_begin_B($name,"");
|
||
|
|
|
||
|
|
$c0="ebx";
|
||
|
|
$c1="ecx";
|
||
|
|
$c2="ebp";
|
||
|
|
$a="esi";
|
||
|
|
$r="edi";
|
||
|
|
|
||
|
|
&push("esi");
|
||
|
|
&push("edi");
|
||
|
|
&push("ebp");
|
||
|
|
&push("ebx");
|
||
|
|
&mov($r,&wparam(0));
|
||
|
|
&mov($a,&wparam(1));
|
||
|
|
&xor($c0,$c0);
|
||
|
|
&xor($c1,$c1);
|
||
|
|
&mov("eax",&DWP(0,$a,"",0)); # load the first word
|
||
|
|
|
||
|
|
$as=0;
|
||
|
|
$ae=0;
|
||
|
|
$bs=0;
|
||
|
|
$be=0;
|
||
|
|
$tot=$num+$num-1;
|
||
|
|
|
||
|
|
for ($i=0; $i<$tot; $i++)
|
||
|
|
{
|
||
|
|
$ai=$as;
|
||
|
|
$bi=$bs;
|
||
|
|
$end=$be+1;
|
||
|
|
|
||
|
|
&comment("############### Calculate word $i");
|
||
|
|
for ($j=$bs; $j<$end; $j++)
|
||
|
|
{
|
||
|
|
&xor($c2,$c2) if ($j == $bs);
|
||
|
|
if (($ai-1) < ($bi+1))
|
||
|
|
{
|
||
|
|
$v=1;
|
||
|
|
$v=2 if ($i+1) == $tot;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{ $v=0; }
|
||
|
|
if (!$v)
|
||
|
|
{
|
||
|
|
$na=$ai-1;
|
||
|
|
$nb=$bi+1;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$na=$as+($i < ($num-1));
|
||
|
|
$nb=$bs+($i >= ($num-1));
|
||
|
|
}
|
||
|
|
if ($ai == $bi)
|
||
|
|
{
|
||
|
|
&sqr_add_c($r,$a,$ai,$bi,
|
||
|
|
$c0,$c1,$c2,$v,$i,$na,$nb);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
&sqr_add_c2($r,$a,$ai,$bi,
|
||
|
|
$c0,$c1,$c2,$v,$i,$na,$nb);
|
||
|
|
}
|
||
|
|
if ($v)
|
||
|
|
{
|
||
|
|
&comment("saved r[$i]");
|
||
|
|
#&mov(&DWP($i*4,$r,"",0),$c0);
|
||
|
|
($c0,$c1,$c2)=($c1,$c2,$c0);
|
||
|
|
last;
|
||
|
|
}
|
||
|
|
$ai--;
|
||
|
|
$bi++;
|
||
|
|
}
|
||
|
|
$as++ if ($i < ($num-1));
|
||
|
|
$ae++ if ($i >= ($num-1));
|
||
|
|
|
||
|
|
$bs++ if ($i >= ($num-1));
|
||
|
|
$be++ if ($i < ($num-1));
|
||
|
|
}
|
||
|
|
&mov(&DWP($i*4,$r,"",0),$c0);
|
||
|
|
&pop("ebx");
|
||
|
|
&pop("ebp");
|
||
|
|
&pop("edi");
|
||
|
|
&pop("esi");
|
||
|
|
&ret();
|
||
|
|
&function_end_B($name);
|
||
|
|
}
|