621 lines
14 KiB
Raku
621 lines
14 KiB
Raku
#! /usr/bin/env perl
|
||
# Copyright 2005-2020 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
|
||
|
||
|
||
# ====================================================================
|
||
# Written by Andy Polyakov <appro@openssl.org> 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/.
|
||
# ====================================================================
|
||
|
||
# December 2005
|
||
#
|
||
# Pure SPARCv9/8+ and IALU-only bn_mul_mont implementation. The reasons
|
||
# for undertaken effort are multiple. First of all, UltraSPARC is not
|
||
# the whole SPARCv9 universe and other VIS-free implementations deserve
|
||
# optimized code as much. Secondly, newly introduced UltraSPARC T1,
|
||
# a.k.a. Niagara, has shared FPU and concurrent FPU-intensive paths,
|
||
# such as sparcv9a-mont, will simply sink it. Yes, T1 is equipped with
|
||
# several integrated RSA/DSA accelerator circuits accessible through
|
||
# kernel driver [only(*)], but having decent user-land software
|
||
# implementation is important too. Finally, reasons like desire to
|
||
# experiment with dedicated squaring procedure. Yes, this module
|
||
# implements one, because it was easiest to draft it in SPARCv9
|
||
# instructions...
|
||
|
||
# (*) Engine accessing the driver in question is on my TODO list.
|
||
# For reference, accelerator is estimated to give 6 to 10 times
|
||
# improvement on single-threaded RSA sign. It should be noted
|
||
# that 6-10x improvement coefficient does not actually mean
|
||
# something extraordinary in terms of absolute [single-threaded]
|
||
# performance, as SPARCv9 instruction set is by all means least
|
||
# suitable for high performance crypto among other 64 bit
|
||
# platforms. 6-10x factor simply places T1 in same performance
|
||
# domain as say AMD64 and IA-64. Improvement of RSA verify don't
|
||
# appear impressive at all, but it's the sign operation which is
|
||
# far more critical/interesting.
|
||
|
||
# You might notice that inner loops are modulo-scheduled:-) This has
|
||
# essentially negligible impact on UltraSPARC performance, it's
|
||
# Fujitsu SPARC64 V users who should notice and hopefully appreciate
|
||
# the advantage... Currently this module surpasses sparcv9a-mont.pl
|
||
# by ~20% on UltraSPARC-III and later cores, but recall that sparcv9a
|
||
# module still have hidden potential [see TODO list there], which is
|
||
# estimated to be larger than 20%...
|
||
|
||
$output = pop;
|
||
open STDOUT,">$output";
|
||
|
||
# int bn_mul_mont(
|
||
$rp="%i0"; # BN_ULONG *rp,
|
||
$ap="%i1"; # const BN_ULONG *ap,
|
||
$bp="%i2"; # const BN_ULONG *bp,
|
||
$np="%i3"; # const BN_ULONG *np,
|
||
$n0="%i4"; # const BN_ULONG *n0,
|
||
$num="%i5"; # int num);
|
||
|
||
$frame="STACK_FRAME";
|
||
$bias="STACK_BIAS";
|
||
|
||
$car0="%o0";
|
||
$car1="%o1";
|
||
$car2="%o2"; # 1 bit
|
||
$acc0="%o3";
|
||
$acc1="%o4";
|
||
$mask="%g1"; # 32 bits, what a waste...
|
||
$tmp0="%g4";
|
||
$tmp1="%g5";
|
||
|
||
$i="%l0";
|
||
$j="%l1";
|
||
$mul0="%l2";
|
||
$mul1="%l3";
|
||
$tp="%l4";
|
||
$apj="%l5";
|
||
$npj="%l6";
|
||
$tpj="%l7";
|
||
|
||
$fname="bn_mul_mont_int";
|
||
|
||
$code=<<___;
|
||
#include "sparc_arch.h"
|
||
|
||
.section ".text",#alloc,#execinstr
|
||
|
||
.global $fname
|
||
.align 32
|
||
$fname:
|
||
cmp %o5,4 ! 128 bits minimum
|
||
bge,pt %icc,.Lenter
|
||
sethi %hi(0xffffffff),$mask
|
||
retl
|
||
clr %o0
|
||
.align 32
|
||
.Lenter:
|
||
save %sp,-$frame,%sp
|
||
sll $num,2,$num ! num*=4
|
||
or $mask,%lo(0xffffffff),$mask
|
||
ld [$n0],$n0
|
||
cmp $ap,$bp
|
||
and $num,$mask,$num
|
||
ld [$bp],$mul0 ! bp[0]
|
||
nop
|
||
|
||
add %sp,$bias,%o7 ! real top of stack
|
||
ld [$ap],$car0 ! ap[0] ! redundant in squaring context
|
||
sub %o7,$num,%o7
|
||
ld [$ap+4],$apj ! ap[1]
|
||
and %o7,-1024,%o7
|
||
ld [$np],$car1 ! np[0]
|
||
sub %o7,$bias,%sp ! alloca
|
||
ld [$np+4],$npj ! np[1]
|
||
be,pt SIZE_T_CC,.Lbn_sqr_mont
|
||
mov 12,$j
|
||
|
||
mulx $car0,$mul0,$car0 ! ap[0]*bp[0]
|
||
mulx $apj,$mul0,$tmp0 !prologue! ap[1]*bp[0]
|
||
and $car0,$mask,$acc0
|
||
add %sp,$bias+$frame,$tp
|
||
ld [$ap+8],$apj !prologue!
|
||
|
||
mulx $n0,$acc0,$mul1 ! "t[0]"*n0
|
||
and $mul1,$mask,$mul1
|
||
|
||
mulx $car1,$mul1,$car1 ! np[0]*"t[0]"*n0
|
||
mulx $npj,$mul1,$acc1 !prologue! np[1]*"t[0]"*n0
|
||
srlx $car0,32,$car0
|
||
add $acc0,$car1,$car1
|
||
ld [$np+8],$npj !prologue!
|
||
srlx $car1,32,$car1
|
||
mov $tmp0,$acc0 !prologue!
|
||
|
||
.L1st:
|
||
mulx $apj,$mul0,$tmp0
|
||
mulx $npj,$mul1,$tmp1
|
||
add $acc0,$car0,$car0
|
||
ld [$ap+$j],$apj ! ap[j]
|
||
and $car0,$mask,$acc0
|
||
add $acc1,$car1,$car1
|
||
ld [$np+$j],$npj ! np[j]
|
||
srlx $car0,32,$car0
|
||
add $acc0,$car1,$car1
|
||
add $j,4,$j ! j++
|
||
mov $tmp0,$acc0
|
||
st $car1,[$tp]
|
||
cmp $j,$num
|
||
mov $tmp1,$acc1
|
||
srlx $car1,32,$car1
|
||
bl %icc,.L1st
|
||
add $tp,4,$tp ! tp++
|
||
!.L1st
|
||
|
||
mulx $apj,$mul0,$tmp0 !epilogue!
|
||
mulx $npj,$mul1,$tmp1
|
||
add $acc0,$car0,$car0
|
||
and $car0,$mask,$acc0
|
||
add $acc1,$car1,$car1
|
||
srlx $car0,32,$car0
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp]
|
||
srlx $car1,32,$car1
|
||
|
||
add $tmp0,$car0,$car0
|
||
and $car0,$mask,$acc0
|
||
add $tmp1,$car1,$car1
|
||
srlx $car0,32,$car0
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp+4]
|
||
srlx $car1,32,$car1
|
||
|
||
add $car0,$car1,$car1
|
||
st $car1,[$tp+8]
|
||
srlx $car1,32,$car2
|
||
|
||
mov 4,$i ! i++
|
||
ld [$bp+4],$mul0 ! bp[1]
|
||
.Louter:
|
||
add %sp,$bias+$frame,$tp
|
||
ld [$ap],$car0 ! ap[0]
|
||
ld [$ap+4],$apj ! ap[1]
|
||
ld [$np],$car1 ! np[0]
|
||
ld [$np+4],$npj ! np[1]
|
||
ld [$tp],$tmp1 ! tp[0]
|
||
ld [$tp+4],$tpj ! tp[1]
|
||
mov 12,$j
|
||
|
||
mulx $car0,$mul0,$car0
|
||
mulx $apj,$mul0,$tmp0 !prologue!
|
||
add $tmp1,$car0,$car0
|
||
ld [$ap+8],$apj !prologue!
|
||
and $car0,$mask,$acc0
|
||
|
||
mulx $n0,$acc0,$mul1
|
||
and $mul1,$mask,$mul1
|
||
|
||
mulx $car1,$mul1,$car1
|
||
mulx $npj,$mul1,$acc1 !prologue!
|
||
srlx $car0,32,$car0
|
||
add $acc0,$car1,$car1
|
||
ld [$np+8],$npj !prologue!
|
||
srlx $car1,32,$car1
|
||
mov $tmp0,$acc0 !prologue!
|
||
|
||
.Linner:
|
||
mulx $apj,$mul0,$tmp0
|
||
mulx $npj,$mul1,$tmp1
|
||
add $tpj,$car0,$car0
|
||
ld [$ap+$j],$apj ! ap[j]
|
||
add $acc0,$car0,$car0
|
||
add $acc1,$car1,$car1
|
||
ld [$np+$j],$npj ! np[j]
|
||
and $car0,$mask,$acc0
|
||
ld [$tp+8],$tpj ! tp[j]
|
||
srlx $car0,32,$car0
|
||
add $acc0,$car1,$car1
|
||
add $j,4,$j ! j++
|
||
mov $tmp0,$acc0
|
||
st $car1,[$tp] ! tp[j-1]
|
||
srlx $car1,32,$car1
|
||
mov $tmp1,$acc1
|
||
cmp $j,$num
|
||
bl %icc,.Linner
|
||
add $tp,4,$tp ! tp++
|
||
!.Linner
|
||
|
||
mulx $apj,$mul0,$tmp0 !epilogue!
|
||
mulx $npj,$mul1,$tmp1
|
||
add $tpj,$car0,$car0
|
||
add $acc0,$car0,$car0
|
||
ld [$tp+8],$tpj ! tp[j]
|
||
and $car0,$mask,$acc0
|
||
add $acc1,$car1,$car1
|
||
srlx $car0,32,$car0
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp] ! tp[j-1]
|
||
srlx $car1,32,$car1
|
||
|
||
add $tpj,$car0,$car0
|
||
add $tmp0,$car0,$car0
|
||
and $car0,$mask,$acc0
|
||
add $tmp1,$car1,$car1
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp+4] ! tp[j-1]
|
||
srlx $car0,32,$car0
|
||
add $i,4,$i ! i++
|
||
srlx $car1,32,$car1
|
||
|
||
add $car0,$car1,$car1
|
||
cmp $i,$num
|
||
add $car2,$car1,$car1
|
||
st $car1,[$tp+8]
|
||
|
||
srlx $car1,32,$car2
|
||
bl,a %icc,.Louter
|
||
ld [$bp+$i],$mul0 ! bp[i]
|
||
!.Louter
|
||
|
||
add $tp,12,$tp
|
||
|
||
.Ltail:
|
||
add $np,$num,$np
|
||
add $rp,$num,$rp
|
||
sub %g0,$num,%o7 ! k=-num
|
||
ba .Lsub
|
||
subcc %g0,%g0,%g0 ! clear %icc.c
|
||
.align 16
|
||
.Lsub:
|
||
ld [$tp+%o7],%o0
|
||
ld [$np+%o7],%o1
|
||
subccc %o0,%o1,%o1 ! tp[j]-np[j]
|
||
add $rp,%o7,$i
|
||
add %o7,4,%o7
|
||
brnz %o7,.Lsub
|
||
st %o1,[$i]
|
||
subccc $car2,0,$car2 ! handle upmost overflow bit
|
||
sub %g0,$num,%o7
|
||
|
||
.Lcopy:
|
||
ld [$tp+%o7],%o1 ! conditional copy
|
||
ld [$rp+%o7],%o0
|
||
st %g0,[$tp+%o7] ! zap tp
|
||
movcs %icc,%o1,%o0
|
||
st %o0,[$rp+%o7]
|
||
add %o7,4,%o7
|
||
brnz %o7,.Lcopy
|
||
nop
|
||
mov 1,%i0
|
||
ret
|
||
restore
|
||
___
|
||
|
||
########
|
||
######## .Lbn_sqr_mont gives up to 20% *overall* improvement over
|
||
######## code without following dedicated squaring procedure.
|
||
########
|
||
$sbit="%o5";
|
||
|
||
$code.=<<___;
|
||
.align 32
|
||
.Lbn_sqr_mont:
|
||
mulx $mul0,$mul0,$car0 ! ap[0]*ap[0]
|
||
mulx $apj,$mul0,$tmp0 !prologue!
|
||
and $car0,$mask,$acc0
|
||
add %sp,$bias+$frame,$tp
|
||
ld [$ap+8],$apj !prologue!
|
||
|
||
mulx $n0,$acc0,$mul1 ! "t[0]"*n0
|
||
srlx $car0,32,$car0
|
||
and $mul1,$mask,$mul1
|
||
|
||
mulx $car1,$mul1,$car1 ! np[0]*"t[0]"*n0
|
||
mulx $npj,$mul1,$acc1 !prologue!
|
||
and $car0,1,$sbit
|
||
ld [$np+8],$npj !prologue!
|
||
srlx $car0,1,$car0
|
||
add $acc0,$car1,$car1
|
||
srlx $car1,32,$car1
|
||
mov $tmp0,$acc0 !prologue!
|
||
|
||
.Lsqr_1st:
|
||
mulx $apj,$mul0,$tmp0
|
||
mulx $npj,$mul1,$tmp1
|
||
add $acc0,$car0,$car0 ! ap[j]*a0+c0
|
||
add $acc1,$car1,$car1
|
||
ld [$ap+$j],$apj ! ap[j]
|
||
and $car0,$mask,$acc0
|
||
ld [$np+$j],$npj ! np[j]
|
||
srlx $car0,32,$car0
|
||
add $acc0,$acc0,$acc0
|
||
or $sbit,$acc0,$acc0
|
||
mov $tmp1,$acc1
|
||
srlx $acc0,32,$sbit
|
||
add $j,4,$j ! j++
|
||
and $acc0,$mask,$acc0
|
||
cmp $j,$num
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp]
|
||
mov $tmp0,$acc0
|
||
srlx $car1,32,$car1
|
||
bl %icc,.Lsqr_1st
|
||
add $tp,4,$tp ! tp++
|
||
!.Lsqr_1st
|
||
|
||
mulx $apj,$mul0,$tmp0 ! epilogue
|
||
mulx $npj,$mul1,$tmp1
|
||
add $acc0,$car0,$car0 ! ap[j]*a0+c0
|
||
add $acc1,$car1,$car1
|
||
and $car0,$mask,$acc0
|
||
srlx $car0,32,$car0
|
||
add $acc0,$acc0,$acc0
|
||
or $sbit,$acc0,$acc0
|
||
srlx $acc0,32,$sbit
|
||
and $acc0,$mask,$acc0
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp]
|
||
srlx $car1,32,$car1
|
||
|
||
add $tmp0,$car0,$car0 ! ap[j]*a0+c0
|
||
add $tmp1,$car1,$car1
|
||
and $car0,$mask,$acc0
|
||
srlx $car0,32,$car0
|
||
add $acc0,$acc0,$acc0
|
||
or $sbit,$acc0,$acc0
|
||
srlx $acc0,32,$sbit
|
||
and $acc0,$mask,$acc0
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp+4]
|
||
srlx $car1,32,$car1
|
||
|
||
add $car0,$car0,$car0
|
||
or $sbit,$car0,$car0
|
||
add $car0,$car1,$car1
|
||
st $car1,[$tp+8]
|
||
srlx $car1,32,$car2
|
||
|
||
ld [%sp+$bias+$frame],$tmp0 ! tp[0]
|
||
ld [%sp+$bias+$frame+4],$tmp1 ! tp[1]
|
||
ld [%sp+$bias+$frame+8],$tpj ! tp[2]
|
||
ld [$ap+4],$mul0 ! ap[1]
|
||
ld [$ap+8],$apj ! ap[2]
|
||
ld [$np],$car1 ! np[0]
|
||
ld [$np+4],$npj ! np[1]
|
||
mulx $n0,$tmp0,$mul1
|
||
|
||
mulx $mul0,$mul0,$car0
|
||
and $mul1,$mask,$mul1
|
||
|
||
mulx $car1,$mul1,$car1
|
||
mulx $npj,$mul1,$acc1
|
||
add $tmp0,$car1,$car1
|
||
and $car0,$mask,$acc0
|
||
ld [$np+8],$npj ! np[2]
|
||
srlx $car1,32,$car1
|
||
add $tmp1,$car1,$car1
|
||
srlx $car0,32,$car0
|
||
add $acc0,$car1,$car1
|
||
and $car0,1,$sbit
|
||
add $acc1,$car1,$car1
|
||
srlx $car0,1,$car0
|
||
mov 12,$j
|
||
st $car1,[%sp+$bias+$frame] ! tp[0]=
|
||
srlx $car1,32,$car1
|
||
add %sp,$bias+$frame+4,$tp
|
||
|
||
.Lsqr_2nd:
|
||
mulx $apj,$mul0,$acc0
|
||
mulx $npj,$mul1,$acc1
|
||
add $acc0,$car0,$car0
|
||
add $tpj,$sbit,$sbit
|
||
ld [$ap+$j],$apj ! ap[j]
|
||
and $car0,$mask,$acc0
|
||
ld [$np+$j],$npj ! np[j]
|
||
srlx $car0,32,$car0
|
||
add $acc1,$car1,$car1
|
||
ld [$tp+8],$tpj ! tp[j]
|
||
add $acc0,$acc0,$acc0
|
||
add $j,4,$j ! j++
|
||
add $sbit,$acc0,$acc0
|
||
srlx $acc0,32,$sbit
|
||
and $acc0,$mask,$acc0
|
||
cmp $j,$num
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp] ! tp[j-1]
|
||
srlx $car1,32,$car1
|
||
bl %icc,.Lsqr_2nd
|
||
add $tp,4,$tp ! tp++
|
||
!.Lsqr_2nd
|
||
|
||
mulx $apj,$mul0,$acc0
|
||
mulx $npj,$mul1,$acc1
|
||
add $acc0,$car0,$car0
|
||
add $tpj,$sbit,$sbit
|
||
and $car0,$mask,$acc0
|
||
srlx $car0,32,$car0
|
||
add $acc1,$car1,$car1
|
||
add $acc0,$acc0,$acc0
|
||
add $sbit,$acc0,$acc0
|
||
srlx $acc0,32,$sbit
|
||
and $acc0,$mask,$acc0
|
||
add $acc0,$car1,$car1
|
||
st $car1,[$tp] ! tp[j-1]
|
||
srlx $car1,32,$car1
|
||
|
||
add $car0,$car0,$car0
|
||
add $sbit,$car0,$car0
|
||
add $car0,$car1,$car1
|
||
add $car2,$car1,$car1
|
||
st $car1,[$tp+4]
|
||
srlx $car1,32,$car2
|
||
|
||
ld [%sp+$bias+$frame],$tmp1 ! tp[0]
|
||
ld [%sp+$bias+$frame+4],$tpj ! tp[1]
|
||
ld [$ap+8],$mul0 ! ap[2]
|
||
ld [$np],$car1 ! np[0]
|
||
ld [$np+4],$npj ! np[1]
|
||
mulx $n0,$tmp1,$mul1
|
||
and $mul1,$mask,$mul1
|
||
mov 8,$i
|
||
|
||
mulx $mul0,$mul0,$car0
|
||
mulx $car1,$mul1,$car1
|
||
and $car0,$mask,$acc0
|
||
add $tmp1,$car1,$car1
|
||
srlx $car0,32,$car0
|
||
add %sp,$bias+$frame,$tp
|
||
srlx $car1,32,$car1
|
||
and $car0,1,$sbit
|
||
srlx $car0,1,$car0
|
||
mov 4,$j
|
||
|
||
.Lsqr_outer:
|
||
.Lsqr_inner1:
|
||
mulx $npj,$mul1,$acc1
|
||
add $tpj,$car1,$car1
|
||
add $j,4,$j
|
||
ld [$tp+8],$tpj
|
||
cmp $j,$i
|
||
add $acc1,$car1,$car1
|
||
ld [$np+$j],$npj
|
||
st $car1,[$tp]
|
||
srlx $car1,32,$car1
|
||
bl %icc,.Lsqr_inner1
|
||
add $tp,4,$tp
|
||
!.Lsqr_inner1
|
||
|
||
add $j,4,$j
|
||
ld [$ap+$j],$apj ! ap[j]
|
||
mulx $npj,$mul1,$acc1
|
||
add $tpj,$car1,$car1
|
||
ld [$np+$j],$npj ! np[j]
|
||
srlx $car1,32,$tmp0
|
||
and $car1,$mask,$car1
|
||
add $tmp0,$sbit,$sbit
|
||
add $acc0,$car1,$car1
|
||
ld [$tp+8],$tpj ! tp[j]
|
||
add $acc1,$car1,$car1
|
||
st $car1,[$tp]
|
||
srlx $car1,32,$car1
|
||
|
||
add $j,4,$j
|
||
cmp $j,$num
|
||
be,pn %icc,.Lsqr_no_inner2
|
||
add $tp,4,$tp
|
||
|
||
.Lsqr_inner2:
|
||
mulx $apj,$mul0,$acc0
|
||
mulx $npj,$mul1,$acc1
|
||
add $tpj,$sbit,$sbit
|
||
add $acc0,$car0,$car0
|
||
ld [$ap+$j],$apj ! ap[j]
|
||
and $car0,$mask,$acc0
|
||
ld [$np+$j],$npj ! np[j]
|
||
srlx $car0,32,$car0
|
||
add $acc0,$acc0,$acc0
|
||
ld [$tp+8],$tpj ! tp[j]
|
||
add $sbit,$acc0,$acc0
|
||
add $j,4,$j ! j++
|
||
srlx $acc0,32,$sbit
|
||
and $acc0,$mask,$acc0
|
||
cmp $j,$num
|
||
add $acc0,$car1,$car1
|
||
add $acc1,$car1,$car1
|
||
st $car1,[$tp] ! tp[j-1]
|
||
srlx $car1,32,$car1
|
||
bl %icc,.Lsqr_inner2
|
||
add $tp,4,$tp ! tp++
|
||
|
||
.Lsqr_no_inner2:
|
||
mulx $apj,$mul0,$acc0
|
||
mulx $npj,$mul1,$acc1
|
||
add $tpj,$sbit,$sbit
|
||
add $acc0,$car0,$car0
|
||
and $car0,$mask,$acc0
|
||
srlx $car0,32,$car0
|
||
add $acc0,$acc0,$acc0
|
||
add $sbit,$acc0,$acc0
|
||
srlx $acc0,32,$sbit
|
||
and $acc0,$mask,$acc0
|
||
add $acc0,$car1,$car1
|
||
add $acc1,$car1,$car1
|
||
st $car1,[$tp] ! tp[j-1]
|
||
srlx $car1,32,$car1
|
||
|
||
add $car0,$car0,$car0
|
||
add $sbit,$car0,$car0
|
||
add $car0,$car1,$car1
|
||
add $car2,$car1,$car1
|
||
st $car1,[$tp+4]
|
||
srlx $car1,32,$car2
|
||
|
||
add $i,4,$i ! i++
|
||
ld [%sp+$bias+$frame],$tmp1 ! tp[0]
|
||
ld [%sp+$bias+$frame+4],$tpj ! tp[1]
|
||
ld [$ap+$i],$mul0 ! ap[j]
|
||
ld [$np],$car1 ! np[0]
|
||
ld [$np+4],$npj ! np[1]
|
||
mulx $n0,$tmp1,$mul1
|
||
and $mul1,$mask,$mul1
|
||
add $i,4,$tmp0
|
||
|
||
mulx $mul0,$mul0,$car0
|
||
mulx $car1,$mul1,$car1
|
||
and $car0,$mask,$acc0
|
||
add $tmp1,$car1,$car1
|
||
srlx $car0,32,$car0
|
||
add %sp,$bias+$frame,$tp
|
||
srlx $car1,32,$car1
|
||
and $car0,1,$sbit
|
||
srlx $car0,1,$car0
|
||
|
||
cmp $tmp0,$num ! i<num-1
|
||
bl %icc,.Lsqr_outer
|
||
mov 4,$j
|
||
|
||
.Lsqr_last:
|
||
mulx $npj,$mul1,$acc1
|
||
add $tpj,$car1,$car1
|
||
add $j,4,$j
|
||
ld [$tp+8],$tpj
|
||
cmp $j,$i
|
||
add $acc1,$car1,$car1
|
||
ld [$np+$j],$npj
|
||
st $car1,[$tp]
|
||
srlx $car1,32,$car1
|
||
bl %icc,.Lsqr_last
|
||
add $tp,4,$tp
|
||
!.Lsqr_last
|
||
|
||
mulx $npj,$mul1,$acc1
|
||
add $tpj,$acc0,$acc0
|
||
srlx $acc0,32,$tmp0
|
||
and $acc0,$mask,$acc0
|
||
add $tmp0,$sbit,$sbit
|
||
add $acc0,$car1,$car1
|
||
add $acc1,$car1,$car1
|
||
st $car1,[$tp]
|
||
srlx $car1,32,$car1
|
||
|
||
add $car0,$car0,$car0 ! recover $car0
|
||
add $sbit,$car0,$car0
|
||
add $car0,$car1,$car1
|
||
add $car2,$car1,$car1
|
||
st $car1,[$tp+4]
|
||
srlx $car1,32,$car2
|
||
|
||
ba .Ltail
|
||
add $tp,8,$tp
|
||
.type $fname,#function
|
||
.size $fname,(.-$fname)
|
||
.asciz "Montgomery Multiplication for SPARCv9, CRYPTOGAMS by <appro\@openssl.org>"
|
||
.align 32
|
||
___
|
||
$code =~ s/\`([^\`]*)\`/eval($1)/gem;
|
||
print $code;
|
||
close STDOUT or die "error closing STDOUT: $!";
|