#! /usr/bin/env perl
# Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the OpenSSL license (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
push(@INC,"${dir}","${dir}../../perlasm");
require "x86asm.pl";
$output = pop;
open STDOUT,">$output";
&asm_init($ARGV[0],$0);
$sse2=0;
for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&external_label("OPENSSL_ia32cap_P") if ($sse2);
&bn_mul_add_words("bn_mul_add_words");
&bn_mul_words("bn_mul_words");
&bn_sqr_words("bn_sqr_words");
&bn_div_words("bn_div_words");
&bn_add_words("bn_add_words");
&bn_sub_words("bn_sub_words");
&bn_sub_part_words("bn_sub_part_words");
&asm_finish();
close STDOUT;
sub bn_mul_add_words
{
local($name)=@_;
&function_begin_B($name,$sse2?"EXTRN\t_OPENSSL_ia32cap_P:DWORD":"");
$r="eax";
$a="edx";
$c="ecx";
if ($sse2) {
&picmeup("eax","OPENSSL_ia32cap_P");
&bt(&DWP(0,"eax"),26);
&jnc(&label("maw_non_sse2"));
&mov($r,&wparam(0));
&mov($a,&wparam(1));
&mov($c,&wparam(2));
&movd("mm0",&wparam(3)); # mm0 = w
&pxor("mm1","mm1"); # mm1 = carry_in
&jmp(&label("maw_sse2_entry"));
&set_label("maw_sse2_unrolled",16);
&movd("mm3",&DWP(0,$r,"",0)); # mm3 = r[0]
&paddq("mm1","mm3"); # mm1 = carry_in + r[0]
&movd("mm2",&DWP(0,$a,"",0)); # mm2 = a[0]
&pmuludq("mm2","mm0"); # mm2 = w*a[0]
&movd("mm4",&DWP(4,$a,"",0)); # mm4 = a[1]
&pmuludq("mm4","mm0"); # mm4 = w*a[1]
&movd("mm6",&DWP(8,$a,"",0)); # mm6 = a[2]
&pmuludq("mm6","mm0"); # mm6 = w*a[2]
&movd("mm7",&DWP(12,$a,"",0)); # mm7 = a[3]
&pmuludq("mm7","mm0"); # mm7 = w*a[3]
&paddq("mm1","mm2"); # mm1 = carry_in + r[0] + w*a[0]
&movd("mm3",&DWP(4,$r,"",0)); # mm3 = r[1]
&paddq("mm3","mm4"); # mm3 = r[1] + w*a[1]
&movd("mm5",&DWP(8,$r,"",0)); # mm5 = r[2]
&paddq("mm5","mm6"); # mm5 = r[2] + w*a[2]
&movd("mm4",&DWP(12,$r,"",0)); # mm4 = r[3]
&paddq("mm7","mm4"); # mm7 = r[3] + w*a[3]
&movd(&DWP(0,$r,"",0),"mm1");
&movd("mm2",&DWP(16,$a,"",0)); # mm2 = a[4]
&pmuludq("mm2","mm0"); # mm2 = w*a[4]
&psrlq("mm1",32); # mm1 = carry0
&movd("mm4",&DWP(20,$a,"",0)); # mm4 = a[5]
&pmuludq("mm4","mm0"); # mm4 = w*a[5]
&paddq("mm1","mm3"); # mm1 = carry0 + r[1] + w*a[1]
&movd("mm6",&DWP(24,$a,"",0)); # mm6 = a[6]
&pmuludq("mm6","mm0"); # mm6 = w*a[6]
&movd(&DWP(4,$r,"",0),"mm1");
&psrlq("mm1",32); # mm1 = carry1
&movd("mm3",&DWP(28,$a,"",0)); # mm3 = a[7]
&add($a,32);
&pmuludq("mm3","mm0"); # mm3 = w*a[7]
&paddq("mm1","mm5"); # mm1 = carry1 + r[2] + w*a[2]
&movd("mm5",&DWP(16,$r,"",0)); # mm5 = r[4]
&paddq("mm2","mm5"); # mm2 = r[4] + w*a[4]
&movd(&DWP(8,$r,"",0),"mm1");
&psrlq("mm1",32); # mm1 = carry2
&paddq("mm1","mm7"); # mm1 = carry2 + r[3] + w*a[3]
&movd("mm5",&DWP(20,$r,"",0)); # mm5 = r[5]
&paddq("mm4","mm5"); # mm4 = r[5] + w*a[5]
&movd(&DWP(12,$r,"",0),"mm1");
&psrlq("mm1",32); # mm1 = carry3
&paddq("mm1","mm2"); # mm1 = carry3 + r[4] + w*a[4]
&movd("mm5",&DWP(24,$r,"",0)); # mm5 = r[6]
&paddq("mm6","mm5"); # mm6 = r[6] + w*a[6]
&movd(&DWP(16,$r,"",0),"mm1");
&psrlq("mm1",32); # mm1 = carry4
&paddq("mm1","mm4"); # mm1 = carry4 + r[5] + w*a[5]
&movd("mm5",&DWP(28,$r,"",0)); # mm5 = r[7]
&paddq("mm3","mm5"); # mm3 = r[7] + w*a[7]
&movd(&DWP(20,$r,"",0),"mm1");
&psrlq("mm1",32); # mm1 = carry5
&paddq("mm1","mm6"); # mm1 = carry5 + r[6] + w*a[6]
&movd(&DWP(24,