diff options
author | Parménides GV <parmegv@sdf.org> | 2014-04-07 20:43:34 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-04-08 11:43:27 +0200 |
commit | c206a91d320995f37f8abb33188bfd384249da3d (patch) | |
tree | 10a7d8a9dd7f24437ac4851b8d01edbd5dd3ee3b /openssl/crypto/bn/asm/x86_64-mont.pl | |
parent | 910b0e1746ab3f63e63808b198ad51fec5b635e5 (diff) |
Next step: compile jni sources correctly.
Diffstat (limited to 'openssl/crypto/bn/asm/x86_64-mont.pl')
-rwxr-xr-x | openssl/crypto/bn/asm/x86_64-mont.pl | 330 |
1 files changed, 0 insertions, 330 deletions
diff --git a/openssl/crypto/bn/asm/x86_64-mont.pl b/openssl/crypto/bn/asm/x86_64-mont.pl deleted file mode 100755 index 3b7a6f24..00000000 --- a/openssl/crypto/bn/asm/x86_64-mont.pl +++ /dev/null @@ -1,330 +0,0 @@ -#!/usr/bin/env perl - -# ==================================================================== -# 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. -# -# Montgomery multiplication routine for x86_64. While it gives modest -# 9% improvement of rsa4096 sign on Opteron, rsa512 sign runs more -# than twice, >2x, as fast. Most common rsa1024 sign is improved by -# respectful 50%. It remains to be seen if loop unrolling and -# dedicated squaring routine can provide further improvement... - -$flavour = shift; -$output = shift; -if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } - -$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); - -$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; -( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or -( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or -die "can't locate x86_64-xlate.pl"; - -open STDOUT,"| $^X $xlate $flavour $output"; - -# int bn_mul_mont( -$rp="%rdi"; # BN_ULONG *rp, -$ap="%rsi"; # const BN_ULONG *ap, -$bp="%rdx"; # const BN_ULONG *bp, -$np="%rcx"; # const BN_ULONG *np, -$n0="%r8"; # const BN_ULONG *n0, -$num="%r9"; # int num); -$lo0="%r10"; -$hi0="%r11"; -$bp="%r12"; # reassign $bp -$hi1="%r13"; -$i="%r14"; -$j="%r15"; -$m0="%rbx"; -$m1="%rbp"; - -$code=<<___; -.text - -.globl bn_mul_mont -.type bn_mul_mont,\@function,6 -.align 16 -bn_mul_mont: - push %rbx - push %rbp - push %r12 - push %r13 - push %r14 - push %r15 - - mov ${num}d,${num}d - lea 2($num),%r10 - mov %rsp,%r11 - neg %r10 - lea (%rsp,%r10,8),%rsp # tp=alloca(8*(num+2)) - and \$-1024,%rsp # minimize TLB usage - - mov %r11,8(%rsp,$num,8) # tp[num+1]=%rsp -.Lprologue: - mov %rdx,$bp # $bp reassigned, remember? - - mov ($n0),$n0 # pull n0[0] value - - xor $i,$i # i=0 - xor $j,$j # j=0 - - mov ($bp),$m0 # m0=bp[0] - mov ($ap),%rax - mulq $m0 # ap[0]*bp[0] - mov %rax,$lo0 - mov %rdx,$hi0 - - imulq $n0,%rax # "tp[0]"*n0 - mov %rax,$m1 - - mulq ($np) # np[0]*m1 - add $lo0,%rax # discarded - adc \$0,%rdx - mov %rdx,$hi1 - - lea 1($j),$j # j++ -.L1st: - mov ($ap,$j,8),%rax - mulq $m0 # ap[j]*bp[0] - add $hi0,%rax - adc \$0,%rdx - mov %rax,$lo0 - mov ($np,$j,8),%rax - mov %rdx,$hi0 - - mulq $m1 # np[j]*m1 - add $hi1,%rax - lea 1($j),$j # j++ - adc \$0,%rdx - add $lo0,%rax # np[j]*m1+ap[j]*bp[0] - adc \$0,%rdx - mov %rax,-16(%rsp,$j,8) # tp[j-1] - cmp $num,$j - mov %rdx,$hi1 - jl .L1st - - xor %rdx,%rdx - add $hi0,$hi1 - adc \$0,%rdx - mov $hi1,-8(%rsp,$num,8) - mov %rdx,(%rsp,$num,8) # store upmost overflow bit - - lea 1($i),$i # i++ -.align 4 -.Louter: - xor $j,$j # j=0 - - mov ($bp,$i,8),$m0 # m0=bp[i] - mov ($ap),%rax # ap[0] - mulq $m0 # ap[0]*bp[i] - add (%rsp),%rax # ap[0]*bp[i]+tp[0] - adc \$0,%rdx - mov %rax,$lo0 - mov %rdx,$hi0 - - imulq $n0,%rax # tp[0]*n0 - mov %rax,$m1 - - mulq ($np,$j,8) # np[0]*m1 - add $lo0,%rax # discarded - mov 8(%rsp),$lo0 # tp[1] - adc \$0,%rdx - mov %rdx,$hi1 - - lea 1($j),$j # j++ -.align 4 -.Linner: - mov ($ap,$j,8),%rax - mulq $m0 # ap[j]*bp[i] - add $hi0,%rax - adc \$0,%rdx - add %rax,$lo0 # ap[j]*bp[i]+tp[j] - mov ($np,$j,8),%rax - adc \$0,%rdx - mov %rdx,$hi0 - - mulq $m1 # np[j]*m1 - add $hi1,%rax - lea 1($j),$j # j++ - adc \$0,%rdx - add $lo0,%rax # np[j]*m1+ap[j]*bp[i]+tp[j] - adc \$0,%rdx - mov (%rsp,$j,8),$lo0 - cmp $num,$j - mov %rax,-16(%rsp,$j,8) # tp[j-1] - mov %rdx,$hi1 - jl .Linner - - xor %rdx,%rdx - add $hi0,$hi1 - adc \$0,%rdx - add $lo0,$hi1 # pull upmost overflow bit - adc \$0,%rdx - mov $hi1,-8(%rsp,$num,8) - mov %rdx,(%rsp,$num,8) # store upmost overflow bit - - lea 1($i),$i # i++ - cmp $num,$i - jl .Louter - - lea (%rsp),$ap # borrow ap for tp - lea -1($num),$j # j=num-1 - - mov ($ap),%rax # tp[0] - xor $i,$i # i=0 and clear CF! - jmp .Lsub -.align 16 -.Lsub: sbb ($np,$i,8),%rax - mov %rax,($rp,$i,8) # rp[i]=tp[i]-np[i] - dec $j # doesn't affect CF! - mov 8($ap,$i,8),%rax # tp[i+1] - lea 1($i),$i # i++ - jge .Lsub - - sbb \$0,%rax # handle upmost overflow bit - and %rax,$ap - not %rax - mov $rp,$np - and %rax,$np - lea -1($num),$j - or $np,$ap # ap=borrow?tp:rp -.align 16 -.Lcopy: # copy or in-place refresh - mov ($ap,$j,8),%rax - mov %rax,($rp,$j,8) # rp[i]=tp[i] - mov $i,(%rsp,$j,8) # zap temporary vector - dec $j - jge .Lcopy - - mov 8(%rsp,$num,8),%rsi # restore %rsp - mov \$1,%rax - mov (%rsi),%r15 - mov 8(%rsi),%r14 - mov 16(%rsi),%r13 - mov 24(%rsi),%r12 - mov 32(%rsi),%rbp - mov 40(%rsi),%rbx - lea 48(%rsi),%rsp -.Lepilogue: - ret -.size bn_mul_mont,.-bn_mul_mont -.asciz "Montgomery Multiplication for x86_64, CRYPTOGAMS by <appro\@openssl.org>" -.align 16 -___ - -# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, -# CONTEXT *context,DISPATCHER_CONTEXT *disp) -if ($win64) { -$rec="%rcx"; -$frame="%rdx"; -$context="%r8"; -$disp="%r9"; - -$code.=<<___; -.extern __imp_RtlVirtualUnwind -.type se_handler,\@abi-omnipotent -.align 16 -se_handler: - push %rsi - push %rdi - push %rbx - push %rbp - push %r12 - push %r13 - push %r14 - push %r15 - pushfq - sub \$64,%rsp - - mov 120($context),%rax # pull context->Rax - mov 248($context),%rbx # pull context->Rip - - lea .Lprologue(%rip),%r10 - cmp %r10,%rbx # context->Rip<.Lprologue - jb .Lin_prologue - - mov 152($context),%rax # pull context->Rsp - - lea .Lepilogue(%rip),%r10 - cmp %r10,%rbx # context->Rip>=.Lepilogue - jae .Lin_prologue - - mov 192($context),%r10 # pull $num - mov 8(%rax,%r10,8),%rax # pull saved stack pointer - lea 48(%rax),%rax - - mov -8(%rax),%rbx - mov -16(%rax),%rbp - mov -24(%rax),%r12 - mov -32(%rax),%r13 - mov -40(%rax),%r14 - mov -48(%rax),%r15 - mov %rbx,144($context) # restore context->Rbx - mov %rbp,160($context) # restore context->Rbp - mov %r12,216($context) # restore context->R12 - mov %r13,224($context) # restore context->R13 - mov %r14,232($context) # restore context->R14 - mov %r15,240($context) # restore context->R15 - -.Lin_prologue: - mov 8(%rax),%rdi - mov 16(%rax),%rsi - mov %rax,152($context) # restore context->Rsp - mov %rsi,168($context) # restore context->Rsi - mov %rdi,176($context) # restore context->Rdi - - mov 40($disp),%rdi # disp->ContextRecord - mov $context,%rsi # context - mov \$154,%ecx # sizeof(CONTEXT) - .long 0xa548f3fc # cld; rep movsq - - mov $disp,%rsi - xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER - mov 8(%rsi),%rdx # arg2, disp->ImageBase - mov 0(%rsi),%r8 # arg3, disp->ControlPc - mov 16(%rsi),%r9 # arg4, disp->FunctionEntry - mov 40(%rsi),%r10 # disp->ContextRecord - lea 56(%rsi),%r11 # &disp->HandlerData - lea 24(%rsi),%r12 # &disp->EstablisherFrame - mov %r10,32(%rsp) # arg5 - mov %r11,40(%rsp) # arg6 - mov %r12,48(%rsp) # arg7 - mov %rcx,56(%rsp) # arg8, (NULL) - call *__imp_RtlVirtualUnwind(%rip) - - mov \$1,%eax # ExceptionContinueSearch - add \$64,%rsp - popfq - pop %r15 - pop %r14 - pop %r13 - pop %r12 - pop %rbp - pop %rbx - pop %rdi - pop %rsi - ret -.size se_handler,.-se_handler - -.section .pdata -.align 4 - .rva .LSEH_begin_bn_mul_mont - .rva .LSEH_end_bn_mul_mont - .rva .LSEH_info_bn_mul_mont - -.section .xdata -.align 8 -.LSEH_info_bn_mul_mont: - .byte 9,0,0,0 - .rva se_handler -___ -} - -print $code; -close STDOUT; |