diff options
Diffstat (limited to 'openssl/crypto/bn/asm/mo-586.pl')
| -rw-r--r-- | openssl/crypto/bn/asm/mo-586.pl | 603 |
1 files changed, 0 insertions, 603 deletions
diff --git a/openssl/crypto/bn/asm/mo-586.pl b/openssl/crypto/bn/asm/mo-586.pl deleted file mode 100644 index 098229309..000000000 --- a/openssl/crypto/bn/asm/mo-586.pl +++ /dev/null @@ -1,603 +0,0 @@ -#!/usr/bin/env perl - -# This is crypto/bn/asm/x86-mont.pl (with asciz from crypto/perlasm/x86asm.pl) -# from OpenSSL 0.9.9-dev - -sub ::asciz -{ my @str=unpack("C*",shift); - push @str,0; - while ($#str>15) { - &data_byte(@str[0..15]); - foreach (0..15) { shift @str; } - } - &data_byte(@str) if (@str); -} - -# ==================================================================== -# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL -# project. The module is, however, dual licensed under OpenSSL and -# CRYPTOGAMS licenses depending on where you obtain it. For further -# details see http://www.openssl.org/~appro/cryptogams/. -# ==================================================================== - -# October 2005 -# -# This is a "teaser" code, as it can be improved in several ways... -# First of all non-SSE2 path should be implemented (yes, for now it -# performs Montgomery multiplication/convolution only on SSE2-capable -# CPUs such as P4, others fall down to original code). Then inner loop -# can be unrolled and modulo-scheduled to improve ILP and possibly -# moved to 128-bit XMM register bank (though it would require input -# rearrangement and/or increase bus bandwidth utilization). Dedicated -# squaring procedure should give further performance improvement... -# Yet, for being draft, the code improves rsa512 *sign* benchmark by -# 110%(!), rsa1024 one - by 70% and rsa4096 - by 20%:-) - -# December 2006 -# -# Modulo-scheduling SSE2 loops results in further 15-20% improvement. -# Integer-only code [being equipped with dedicated squaring procedure] -# gives ~40% on rsa512 sign benchmark... - -push(@INC,"perlasm","../../perlasm"); -require "x86asm.pl"; - -&asm_init($ARGV[0],$0); - -$sse2=0; -for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); } - -&external_label("OPENSSL_ia32cap_P") if ($sse2); - -&function_begin("bn_mul_mont"); - -$i="edx"; -$j="ecx"; -$ap="esi"; $tp="esi"; # overlapping variables!!! -$rp="edi"; $bp="edi"; # overlapping variables!!! -$np="ebp"; -$num="ebx"; - -$_num=&DWP(4*0,"esp"); # stack top layout -$_rp=&DWP(4*1,"esp"); -$_ap=&DWP(4*2,"esp"); -$_bp=&DWP(4*3,"esp"); -$_np=&DWP(4*4,"esp"); -$_n0=&DWP(4*5,"esp"); $_n0q=&QWP(4*5,"esp"); -$_sp=&DWP(4*6,"esp"); -$_bpend=&DWP(4*7,"esp"); -$frame=32; # size of above frame rounded up to 16n - - &xor ("eax","eax"); - &mov ("edi",&wparam(5)); # int num - &cmp ("edi",4); - &jl (&label("just_leave")); - - &lea ("esi",&wparam(0)); # put aside pointer to argument block - &lea ("edx",&wparam(1)); # load ap - &mov ("ebp","esp"); # saved stack pointer! - &add ("edi",2); # extra two words on top of tp - &neg ("edi"); - &lea ("esp",&DWP(-$frame,"esp","edi",4)); # alloca($frame+4*(num+2)) - &neg ("edi"); - - # minimize cache contention by arraning 2K window between stack - # pointer and ap argument [np is also position sensitive vector, - # but it's assumed to be near ap, as it's allocated at ~same - # time]. - &mov ("eax","esp"); - &sub ("eax","edx"); - &and ("eax",2047); - &sub ("esp","eax"); # this aligns sp and ap modulo 2048 - - &xor ("edx","esp"); - &and ("edx",2048); - &xor ("edx",2048); - &sub ("esp","edx"); # this splits them apart modulo 4096 - - &and ("esp",-64); # align to cache line - - ################################# load argument block... - &mov ("eax",&DWP(0*4,"esi"));# BN_ULONG *rp - &mov ("ebx",&DWP(1*4,"esi"));# const BN_ULONG *ap - &mov ("ecx",&DWP(2*4,"esi"));# const BN_ULONG *bp - &mov ("edx",&DWP(3*4,"esi"));# const BN_ULONG *np - &mov ("esi",&DWP(4*4,"esi"));# const BN_ULONG *n0 - #&mov ("edi",&DWP(5*4,"esi"));# int num - - &mov ("esi",&DWP(0,"esi")); # pull n0[0] - &mov ($_rp,"eax"); # ... save a copy of argument block - &mov ($_ap,"ebx"); - &mov ($_bp,"ecx"); - &mov ($_np,"edx"); - &mov ($_n0,"esi"); - &lea ($num,&DWP(-3,"edi")); # num=num-1 to assist modulo-scheduling - #&mov ($_num,$num); # redundant as $num is not reused - &mov ($_sp,"ebp"); # saved stack pointer! - -if($sse2) { -$acc0="mm0"; # mmx register bank layout -$acc1="mm1"; -$car0="mm2"; -$car1="mm3"; -$mul0="mm4"; -$mul1="mm5"; -$temp="mm6"; -$mask="mm7"; - - &picmeup("eax","OPENSSL_ia32cap_P"); - &bt (&DWP(0,"eax"),26); - &jnc (&label("non_sse2")); - - &mov ("eax",-1); - &movd ($mask,"eax"); # mask 32 lower bits - - &mov ($ap,$_ap); # load input pointers - &mov ($bp,$_bp); - &mov ($np,$_np); - - &xor ($i,$i); # i=0 - &xor ($j,$j); # j=0 - - &movd ($mul0,&DWP(0,$bp)); # bp[0] - &movd ($mul1,&DWP(0,$ap)); # ap[0] - &movd ($car1,&DWP(0,$np)); # np[0] - - &pmuludq($mul1,$mul0); # ap[0]*bp[0] - &movq ($car0,$mul1); - &movq ($acc0,$mul1); # I wish movd worked for - &pand ($acc0,$mask); # inter-register transfers - - &pmuludq($mul1,$_n0q); # *=n0 - - &pmuludq($car1,$mul1); # "t[0]"*np[0]*n0 - &paddq ($car1,$acc0); - - &movd ($acc1,&DWP(4,$np)); # np[1] - &movd ($acc0,&DWP(4,$ap)); # ap[1] - - &psrlq ($car0,32); - &psrlq ($car1,32); - - &inc ($j); # j++ -&set_label("1st",16); - &pmuludq($acc0,$mul0); # ap[j]*bp[0] - &pmuludq($acc1,$mul1); # np[j]*m1 - &paddq ($car0,$acc0); # +=c0 - &paddq ($car1,$acc1); # +=c1 - - &movq ($acc0,$car0); - &pand ($acc0,$mask); - &movd ($acc1,&DWP(4,$np,$j,4)); # np[j+1] - &paddq ($car1,$acc0); # +=ap[j]*bp[0]; - &movd ($acc0,&DWP(4,$ap,$j,4)); # ap[j+1] - &psrlq ($car0,32); - &movd (&DWP($frame-4,"esp",$j,4),$car1); # tp[j-1]= - &psrlq ($car1,32); - - &lea ($j,&DWP(1,$j)); - &cmp ($j,$num); - &jl (&label("1st")); - - &pmuludq($acc0,$mul0); # ap[num-1]*bp[0] - &pmuludq($acc1,$mul1); # np[num-1]*m1 - &paddq ($car0,$acc0); # +=c0 - &paddq ($car1,$acc1); # +=c1 - - &movq ($acc0,$car0); - &pand ($acc0,$mask); - &paddq ($car1,$acc0); # +=ap[num-1]*bp[0]; - &movd (&DWP($frame-4,"esp",$j,4),$car1); # tp[num-2]= - - &psrlq ($car0,32); - &psrlq ($car1,32); - - &paddq ($car1,$car0); - &movq (&QWP($frame,"esp",$num,4),$car1); # tp[num].tp[num-1] - - &inc ($i); # i++ -&set_label("outer"); - &xor ($j,$j); # j=0 - - &movd ($mul0,&DWP(0,$bp,$i,4)); # bp[i] - &movd ($mul1,&DWP(0,$ap)); # ap[0] - &movd ($temp,&DWP($frame,"esp")); # tp[0] - &movd ($car1,&DWP(0,$np)); # np[0] - &pmuludq($mul1,$mul0); # ap[0]*bp[i] - - &paddq ($mul1,$temp); # +=tp[0] - &movq ($acc0,$mul1); - &movq ($car0,$mul1); - &pand ($acc0,$mask); - - &pmuludq($mul1,$_n0q); # *=n0 - - &pmuludq($car1,$mul1); - &paddq ($car1,$acc0); - - &movd ($temp,&DWP($frame+4,"esp")); # tp[1] - &movd ($acc1,&DWP(4,$np)); # np[1] - &movd ($acc0,&DWP(4,$ap)); # ap[1] - - &psrlq ($car0,32); - &psrlq ($car1,32); - &paddq ($car0,$temp); # +=tp[1] - - &inc ($j); # j++ - &dec ($num); -&set_label("inner"); - &pmuludq($acc0,$mul0); # ap[j]*bp[i] - &pmuludq($acc1,$mul1); # np[j]*m1 - &paddq ($car0,$acc0); # +=c0 - &paddq ($car1,$acc1); # +=c1 - - &movq ($acc0,$car0); - &movd ($temp,&DWP($frame+4,"esp",$j,4));# tp[j+1] - &pand ($acc0,$mask); - &movd ($acc1,&DWP(4,$np,$j,4)); # np[j+1] - &paddq ($car1,$acc0); # +=ap[j]*bp[i]+tp[j] - &movd ($acc0,&DWP(4,$ap,$j,4)); # ap[j+1] - &psrlq ($car0,32); - &movd (&DWP($frame-4,"esp",$j,4),$car1);# tp[j-1]= - &psrlq ($car1,32); - &paddq ($car0,$temp); # +=tp[j+1] - - &dec ($num); - &lea ($j,&DWP(1,$j)); # j++ - &jnz (&label("inner")); - - &mov ($num,$j); - &pmuludq($acc0,$mul0); # ap[num-1]*bp[i] - &pmuludq($acc1,$mul1); # np[num-1]*m1 - &paddq ($car0,$acc0); # +=c0 - &paddq ($car1,$acc1); # +=c1 - - &movq ($acc0,$car0); - &pand ($acc0,$mask); - &paddq ($car1,$acc0); # +=ap[num-1]*bp[i]+tp[num-1] - &movd (&DWP($frame-4,"esp",$j,4),$car1); # tp[num-2]= - &psrlq ($car0,32); - &psrlq ($car1,32); - - &movd ($temp,&DWP($frame+4,"esp",$num,4)); # += tp[num] - &paddq ($car1,$car0); - &paddq ($car1,$temp); - &movq (&QWP($frame,"esp",$num,4),$car1); # tp[num].tp[num-1] - - &lea ($i,&DWP(1,$i)); # i++ - &cmp ($i,$num); - &jle (&label("outer")); - - &emms (); # done with mmx bank - &jmp (&label("common_tail")); - -&set_label("non_sse2",16); -} - -if (0) { - &mov ("esp",$_sp); - &xor ("eax","eax"); # signal "not fast enough [yet]" - &jmp (&label("just_leave")); - # While the below code provides competitive performance for - # all key lengthes on modern Intel cores, it's still more - # than 10% slower for 4096-bit key elsewhere:-( "Competitive" - # means compared to the original integer-only assembler. - # 512-bit RSA sign is better by ~40%, but that's about all - # one can say about all CPUs... -} else { -$inp="esi"; # integer path uses these registers differently -$word="edi"; -$carry="ebp"; - - &mov ($inp,$_ap); - &lea ($carry,&DWP(1,$num)); - &mov ($word,$_bp); - &xor ($j,$j); # j=0 - &mov ("edx",$inp); - &and ($carry,1); # see if num is even - &sub ("edx",$word); # see if ap==bp - &lea ("eax",&DWP(4,$word,$num,4)); # &bp[num] - &or ($carry,"edx"); - &mov ($word,&DWP(0,$word)); # bp[0] - &jz (&label("bn_sqr_mont")); - &mov ($_bpend,"eax"); - &mov ("eax",&DWP(0,$inp)); - &xor ("edx","edx"); - -&set_label("mull",16); - &mov ($carry,"edx"); - &mul ($word); # ap[j]*bp[0] - &add ($carry,"eax"); - &lea ($j,&DWP(1,$j)); - &adc ("edx",0); - &mov ("eax",&DWP(0,$inp,$j,4)); # ap[j+1] - &cmp ($j,$num); - &mov (&DWP($frame-4,"esp",$j,4),$carry); # tp[j]= - &jl (&label("mull")); - - &mov ($carry,"edx"); - &mul ($word); # ap[num-1]*bp[0] - &mov ($word,$_n0); - &add ("eax",$carry); - &mov ($inp,$_np); - &adc ("edx",0); - &imul ($word,&DWP($frame,"esp")); # n0*tp[0] - - &mov (&DWP($frame,"esp",$num,4),"eax"); # tp[num-1]= - &xor ($j,$j); - &mov (&DWP($frame+4,"esp",$num,4),"edx"); # tp[num]= - &mov (&DWP($frame+8,"esp",$num,4),$j); # tp[num+1]= - - &mov ("eax",&DWP(0,$inp)); # np[0] - &mul ($word); # np[0]*m - &add ("eax",&DWP($frame,"esp")); # +=tp[0] - &mov ("eax",&DWP(4,$inp)); # np[1] - &adc ("edx",0); - &inc ($j); - - &jmp (&label("2ndmadd")); - -&set_label("1stmadd",16); - &mov ($carry,"edx"); - &mul ($word); # ap[j]*bp[i] - &add ($carry,&DWP($frame,"esp",$j,4)); # +=tp[j] - &lea ($j,&DWP(1,$j)); - &adc ("edx",0); - &add ($carry,"eax"); - &mov ("eax",&DWP(0,$inp,$j,4)); # ap[j+1] - &adc ("edx",0); - &cmp ($j,$num); - &mov (&DWP($frame-4,"esp",$j,4),$carry); # tp[j]= - &jl (&label("1stmadd")); - - &mov ($carry,"edx"); - &mul ($word); # ap[num-1]*bp[i] - &add ("eax",&DWP($frame,"esp",$num,4)); # +=tp[num-1] - &mov ($word,$_n0); - &adc ("edx",0); - &mov ($inp,$_np); - &add ($carry,"eax"); - &adc ("edx",0); - &imul ($word,&DWP($frame,"esp")); # n0*tp[0] - - &xor ($j,$j); - &add ("edx",&DWP($frame+4,"esp",$num,4)); # carry+=tp[num] - &mov (&DWP($frame,"esp",$num,4),$carry); # tp[num-1]= - &adc ($j,0); - &mov ("eax",&DWP(0,$inp)); # np[0] - &mov (&DWP($frame+4,"esp",$num,4),"edx"); # tp[num]= - &mov (&DWP($frame+8,"esp",$num,4),$j); # tp[num+1]= - - &mul ($word); # np[0]*m - &add ("eax",&DWP($frame,"esp")); # +=tp[0] - &mov ("eax",&DWP(4,$inp)); # np[1] - &adc ("edx",0); - &mov ($j,1); - -&set_label("2ndmadd",16); - &mov ($carry,"edx"); - &mul ($word); # np[j]*m - &add ($carry,&DWP($frame,"esp",$j,4)); # +=tp[j] - &lea ($j,&DWP(1,$j)); - &adc ("edx",0); - &add ($carry,"eax"); - &mov ("eax",&DWP(0,$inp,$j,4)); # np[j+1] - &adc ("edx",0); - &cmp ($j,$num); - &mov (&DWP($frame-8,"esp",$j,4),$carry); # tp[j-1]= - &jl (&label("2ndmadd")); - - &mov ($carry,"edx"); - &mul ($word); # np[j]*m - &add ($carry,&DWP($frame,"esp",$num,4)); # +=tp[num-1] - &adc ("edx",0); - &add ($carry,"eax"); - &adc ("edx",0); - &mov (&DWP($frame-4,"esp",$num,4),$carry); # tp[num-2]= - - &xor ("eax","eax"); - &mov ($j,$_bp); # &bp[i] - &add ("edx",&DWP($frame+4,"esp",$num,4)); # carry+=tp[num] - &adc ("eax",&DWP($frame+8,"esp",$num,4)); # +=tp[num+1] - &lea ($j,&DWP(4,$j)); - &mov (&DWP($frame,"esp",$num,4),"edx"); # tp[num-1]= - &cmp ($j,$_bpend); - &mov (&DWP($frame+4,"esp",$num,4),"eax"); # tp[num]= - &je (&label("common_tail")); - - &mov ($word,&DWP(0,$j)); # bp[i+1] - &mov ($inp,$_ap); - &mov ($_bp,$j); # &bp[++i] - &xor ($j,$j); - &xor ("edx","edx"); - &mov ("eax",&DWP(0,$inp)); - &jmp (&label("1stmadd")); - -&set_label("bn_sqr_mont",16); -$sbit=$num; - &mov ($_num,$num); - &mov ($_bp,$j); # i=0 - - &mov ("eax",$word); # ap[0] - &mul ($word); # ap[0]*ap[0] - &mov (&DWP($frame,"esp"),"eax"); # tp[0]= - &mov ($sbit,"edx"); - &shr ("edx",1); - &and ($sbit,1); - &inc ($j); -&set_label("sqr",16); - &mov ("eax",&DWP(0,$inp,$j,4)); # ap[j] - &mov ($carry,"edx"); - &mul ($word); # ap[j]*ap[0] - &add ("eax",$carry); - &lea ($j,&DWP(1,$j)); - &adc ("edx",0); - &lea ($carry,&DWP(0,$sbit,"eax",2)); - &shr ("eax",31); - &cmp ($j,$_num); - &mov ($sbit,"eax"); - &mov (&DWP($frame-4,"esp",$j,4),$carry); # tp[j]= - &jl (&label("sqr")); - - &mov ("eax",&DWP(0,$inp,$j,4)); # ap[num-1] - &mov ($carry,"edx"); - &mul ($word); # ap[num-1]*ap[0] - &add ("eax",$carry); - &mov ($word,$_n0); - &adc ("edx",0); - &mov ($inp,$_np); - &lea ($carry,&DWP(0,$sbit,"eax",2)); - &imul ($word,&DWP($frame,"esp")); # n0*tp[0] - &shr ("eax",31); - &mov (&DWP($frame,"esp",$j,4),$carry); # tp[num-1]= - - &lea ($carry,&DWP(0,"eax","edx",2)); - &mov ("eax",&DWP(0,$inp)); # np[0] - &shr ("edx",31); - &mov (&DWP($frame+4,"esp",$j,4),$carry); # tp[num]= - &mov (&DWP($frame+8,"esp",$j,4),"edx"); # tp[num+1]= - - &mul ($word); # np[0]*m - &add ("eax",&DWP($frame,"esp")); # +=tp[0] - &mov ($num,$j); - &adc ("edx",0); - &mov ("eax",&DWP(4,$inp)); # np[1] - &mov ($j,1); - -&set_label("3rdmadd",16); - &mov ($carry,"edx"); - &mul ($word); # np[j]*m - &add ($carry,&DWP($frame,"esp",$j,4)); # +=tp[j] - &adc ("edx",0); - &add ($carry,"eax"); - &mov ("eax",&DWP(4,$inp,$j,4)); # np[j+1] - &adc ("edx",0); - &mov (&DWP($frame-4,"esp",$j,4),$carry); # tp[j-1]= - - &mov ($carry,"edx"); - &mul ($word); # np[j+1]*m - &add ($carry,&DWP($frame+4,"esp",$j,4)); # +=tp[j+1] - &lea ($j,&DWP(2,$j)); - &adc ("edx",0); - &add ($carry,"eax"); - &mov ("eax",&DWP(0,$inp,$j,4)); # np[j+2] - &adc ("edx",0); - &cmp ($j,$num); - &mov (&DWP($frame-8,"esp",$j,4),$carry); # tp[j]= - &jl (&label("3rdmadd")); - - &mov ($carry,"edx"); - &mul ($word); # np[j]*m - &add ($carry,&DWP($frame,"esp",$num,4)); # +=tp[num-1] - &adc ("edx",0); - &add ($carry,"eax"); - &adc ("edx",0); - &mov (&DWP($frame-4,"esp",$num,4),$carry); # tp[num-2]= - - &mov ($j,$_bp); # i - &xor ("eax","eax"); - &mov ($inp,$_ap); - &add ("edx",&DWP($frame+4,"esp",$num,4)); # carry+=tp[num] - &adc ("eax",&DWP($frame+8,"esp",$num,4)); # +=tp[num+1] - &mov (&DWP($frame,"esp",$num,4),"edx"); # tp[num-1]= - &cmp ($j,$num); - &mov (&DWP($frame+4,"esp",$num,4),"eax"); # tp[num]= - &je (&label("common_tail")); - - &mov ($word,&DWP(4,$inp,$j,4)); # ap[i] - &lea ($j,&DWP(1,$j)); - &mov ("eax",$word); - &mov ($_bp,$j); # ++i - &mul ($word); # ap[i]*ap[i] - &add ("eax",&DWP($frame,"esp",$j,4)); # +=tp[i] - &adc ("edx",0); - &mov (&DWP($frame,"esp",$j,4),"eax"); # tp[i]= - &xor ($carry,$carry); - &cmp ($j,$num); - &lea ($j,&DWP(1,$j)); - &je (&label("sqrlast")); - - &mov ($sbit,"edx"); # zaps $num - &shr ("edx",1); - &and ($sbit,1); -&set_label("sqradd",16); - &mov ("eax",&DWP(0,$inp,$j,4)); # ap[j] - &mov ($carry,"edx"); - &mul ($word); # ap[j]*ap[i] - &add ("eax",$carry); - &lea ($carry,&DWP(0,"eax","eax")); - &adc ("edx",0); - &shr ("eax",31); - &add ($carry,&DWP($frame,"esp",$j,4)); # +=tp[j] - &lea ($j,&DWP(1,$j)); - &adc ("eax",0); - &add ($carry,$sbit); - &adc ("eax",0); - &cmp ($j,$_num); - &mov (&DWP($frame-4,"esp",$j,4),$carry); # tp[j]= - &mov ($sbit,"eax"); - &jle (&label("sqradd")); - - &mov ($carry,"edx"); - &lea ("edx",&DWP(0,$sbit,"edx",2)); - &shr ($carry,31); -&set_label("sqrlast"); - &mov ($word,$_n0); - &mov ($inp,$_np); - &imul ($word,&DWP($frame,"esp")); # n0*tp[0] - - &add ("edx",&DWP($frame,"esp",$j,4)); # +=tp[num] - &mov ("eax",&DWP(0,$inp)); # np[0] - &adc ($carry,0); - &mov (&DWP($frame,"esp",$j,4),"edx"); # tp[num]= - &mov (&DWP($frame+4,"esp",$j,4),$carry); # tp[num+1]= - - &mul ($word); # np[0]*m - &add ("eax",&DWP($frame,"esp")); # +=tp[0] - &lea ($num,&DWP(-1,$j)); - &adc ("edx",0); - &mov ($j,1); - &mov ("eax",&DWP(4,$inp)); # np[1] - - &jmp (&label("3rdmadd")); -} - -&set_label("common_tail",16); - &mov ($np,$_np); # load modulus pointer - &mov ($rp,$_rp); # load result pointer - &lea ($tp,&DWP($frame,"esp")); # [$ap and $bp are zapped] - - &mov ("eax",&DWP(0,$tp)); # tp[0] - &mov ($j,$num); # j=num-1 - &xor ($i,$i); # i=0 and clear CF! - -&set_label("sub",16); - &sbb ("eax",&DWP(0,$np,$i,4)); - &mov (&DWP(0,$rp,$i,4),"eax"); # rp[i]=tp[i]-np[i] - &dec ($j); # doesn't affect CF! - &mov ("eax",&DWP(4,$tp,$i,4)); # tp[i+1] - &lea ($i,&DWP(1,$i)); # i++ - &jge (&label("sub")); - - &sbb ("eax",0); # handle upmost overflow bit - &and ($tp,"eax"); - ¬ ("eax"); - &mov ($np,$rp); - &and ($np,"eax"); - &or ($tp,$np); # tp=carry?tp:rp - -&set_label("copy",16); # copy or in-place refresh - &mov ("eax",&DWP(0,$tp,$num,4)); - &mov (&DWP(0,$rp,$num,4),"eax"); # rp[i]=tp[i] - &mov (&DWP($frame,"esp",$num,4),$j); # zap temporary vector - &dec ($num); - &jge (&label("copy")); - - &mov ("esp",$_sp); # pull saved stack pointer - &mov ("eax",1); -&set_label("just_leave"); -&function_end("bn_mul_mont"); - -&asciz("Montgomery Multiplication for x86, CRYPTOGAMS by <appro\@openssl.org>"); - -&asm_finish(); |