diff options
Diffstat (limited to 'openssl/crypto/bn/asm/ppc.pl')
-rw-r--r-- | openssl/crypto/bn/asm/ppc.pl | 1981 |
1 files changed, 0 insertions, 1981 deletions
diff --git a/openssl/crypto/bn/asm/ppc.pl b/openssl/crypto/bn/asm/ppc.pl deleted file mode 100644 index 37c65d35..00000000 --- a/openssl/crypto/bn/asm/ppc.pl +++ /dev/null @@ -1,1981 +0,0 @@ -#!/usr/bin/env perl -# -# Implemented as a Perl wrapper as we want to support several different -# architectures with single file. We pick up the target based on the -# file name we are asked to generate. -# -# It should be noted though that this perl code is nothing like -# <openssl>/crypto/perlasm/x86*. In this case perl is used pretty much -# as pre-processor to cover for platform differences in name decoration, -# linker tables, 32-/64-bit instruction sets... -# -# As you might know there're several PowerPC ABI in use. Most notably -# Linux and AIX use different 32-bit ABIs. Good news are that these ABIs -# are similar enough to implement leaf(!) functions, which would be ABI -# neutral. And that's what you find here: ABI neutral leaf functions. -# In case you wonder what that is... -# -# AIX performance -# -# MEASUREMENTS WITH cc ON a 200 MhZ PowerPC 604e. -# -# The following is the performance of 32-bit compiler -# generated code: -# -# OpenSSL 0.9.6c 21 dec 2001 -# built on: Tue Jun 11 11:06:51 EDT 2002 -# options:bn(64,32) ... -#compiler: cc -DTHREADS -DAIX -DB_ENDIAN -DBN_LLONG -O3 -# sign verify sign/s verify/s -#rsa 512 bits 0.0098s 0.0009s 102.0 1170.6 -#rsa 1024 bits 0.0507s 0.0026s 19.7 387.5 -#rsa 2048 bits 0.3036s 0.0085s 3.3 117.1 -#rsa 4096 bits 2.0040s 0.0299s 0.5 33.4 -#dsa 512 bits 0.0087s 0.0106s 114.3 94.5 -#dsa 1024 bits 0.0256s 0.0313s 39.0 32.0 -# -# Same bechmark with this assembler code: -# -#rsa 512 bits 0.0056s 0.0005s 178.6 2049.2 -#rsa 1024 bits 0.0283s 0.0015s 35.3 674.1 -#rsa 2048 bits 0.1744s 0.0050s 5.7 201.2 -#rsa 4096 bits 1.1644s 0.0179s 0.9 55.7 -#dsa 512 bits 0.0052s 0.0062s 191.6 162.0 -#dsa 1024 bits 0.0149s 0.0180s 67.0 55.5 -# -# Number of operations increases by at almost 75% -# -# Here are performance numbers for 64-bit compiler -# generated code: -# -# OpenSSL 0.9.6g [engine] 9 Aug 2002 -# built on: Fri Apr 18 16:59:20 EDT 2003 -# options:bn(64,64) ... -# compiler: cc -DTHREADS -D_REENTRANT -q64 -DB_ENDIAN -O3 -# sign verify sign/s verify/s -#rsa 512 bits 0.0028s 0.0003s 357.1 3844.4 -#rsa 1024 bits 0.0148s 0.0008s 67.5 1239.7 -#rsa 2048 bits 0.0963s 0.0028s 10.4 353.0 -#rsa 4096 bits 0.6538s 0.0102s 1.5 98.1 -#dsa 512 bits 0.0026s 0.0032s 382.5 313.7 -#dsa 1024 bits 0.0081s 0.0099s 122.8 100.6 -# -# Same benchmark with this assembler code: -# -#rsa 512 bits 0.0020s 0.0002s 510.4 6273.7 -#rsa 1024 bits 0.0088s 0.0005s 114.1 2128.3 -#rsa 2048 bits 0.0540s 0.0016s 18.5 622.5 -#rsa 4096 bits 0.3700s 0.0058s 2.7 171.0 -#dsa 512 bits 0.0016s 0.0020s 610.7 507.1 -#dsa 1024 bits 0.0047s 0.0058s 212.5 173.2 -# -# Again, performance increases by at about 75% -# -# Mac OS X, Apple G5 1.8GHz (Note this is 32 bit code) -# OpenSSL 0.9.7c 30 Sep 2003 -# -# Original code. -# -#rsa 512 bits 0.0011s 0.0001s 906.1 11012.5 -#rsa 1024 bits 0.0060s 0.0003s 166.6 3363.1 -#rsa 2048 bits 0.0370s 0.0010s 27.1 982.4 -#rsa 4096 bits 0.2426s 0.0036s 4.1 280.4 -#dsa 512 bits 0.0010s 0.0012s 1038.1 841.5 -#dsa 1024 bits 0.0030s 0.0037s 329.6 269.7 -#dsa 2048 bits 0.0101s 0.0127s 98.9 78.6 -# -# Same benchmark with this assembler code: -# -#rsa 512 bits 0.0007s 0.0001s 1416.2 16645.9 -#rsa 1024 bits 0.0036s 0.0002s 274.4 5380.6 -#rsa 2048 bits 0.0222s 0.0006s 45.1 1589.5 -#rsa 4096 bits 0.1469s 0.0022s 6.8 449.6 -#dsa 512 bits 0.0006s 0.0007s 1664.2 1376.2 -#dsa 1024 bits 0.0018s 0.0023s 545.0 442.2 -#dsa 2048 bits 0.0061s 0.0075s 163.5 132.8 -# -# Performance increase of ~60% -# -# If you have comments or suggestions to improve code send -# me a note at schari@us.ibm.com -# - -$flavour = shift; - -if ($flavour =~ /32/) { - $BITS= 32; - $BNSZ= $BITS/8; - $ISA= "\"ppc\""; - - $LD= "lwz"; # load - $LDU= "lwzu"; # load and update - $ST= "stw"; # store - $STU= "stwu"; # store and update - $UMULL= "mullw"; # unsigned multiply low - $UMULH= "mulhwu"; # unsigned multiply high - $UDIV= "divwu"; # unsigned divide - $UCMPI= "cmplwi"; # unsigned compare with immediate - $UCMP= "cmplw"; # unsigned compare - $CNTLZ= "cntlzw"; # count leading zeros - $SHL= "slw"; # shift left - $SHR= "srw"; # unsigned shift right - $SHRI= "srwi"; # unsigned shift right by immediate - $SHLI= "slwi"; # shift left by immediate - $CLRU= "clrlwi"; # clear upper bits - $INSR= "insrwi"; # insert right - $ROTL= "rotlwi"; # rotate left by immediate - $TR= "tw"; # conditional trap -} elsif ($flavour =~ /64/) { - $BITS= 64; - $BNSZ= $BITS/8; - $ISA= "\"ppc64\""; - - # same as above, but 64-bit mnemonics... - $LD= "ld"; # load - $LDU= "ldu"; # load and update - $ST= "std"; # store - $STU= "stdu"; # store and update - $UMULL= "mulld"; # unsigned multiply low - $UMULH= "mulhdu"; # unsigned multiply high - $UDIV= "divdu"; # unsigned divide - $UCMPI= "cmpldi"; # unsigned compare with immediate - $UCMP= "cmpld"; # unsigned compare - $CNTLZ= "cntlzd"; # count leading zeros - $SHL= "sld"; # shift left - $SHR= "srd"; # unsigned shift right - $SHRI= "srdi"; # unsigned shift right by immediate - $SHLI= "sldi"; # shift left by immediate - $CLRU= "clrldi"; # clear upper bits - $INSR= "insrdi"; # insert right - $ROTL= "rotldi"; # rotate left by immediate - $TR= "td"; # conditional trap -} else { die "nonsense $flavour"; } - -$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; -( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or -( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or -die "can't locate ppc-xlate.pl"; - -open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!"; - -$data=<<EOF; -#-------------------------------------------------------------------- -# -# -# -# -# File: ppc32.s -# -# Created by: Suresh Chari -# IBM Thomas J. Watson Research Library -# Hawthorne, NY -# -# -# Description: Optimized assembly routines for OpenSSL crypto -# on the 32 bitPowerPC platform. -# -# -# Version History -# -# 2. Fixed bn_add,bn_sub and bn_div_words, added comments, -# cleaned up code. Also made a single version which can -# be used for both the AIX and Linux compilers. See NOTE -# below. -# 12/05/03 Suresh Chari -# (with lots of help from) Andy Polyakov -## -# 1. Initial version 10/20/02 Suresh Chari -# -# -# The following file works for the xlc,cc -# and gcc compilers. -# -# NOTE: To get the file to link correctly with the gcc compiler -# you have to change the names of the routines and remove -# the first .(dot) character. This should automatically -# be done in the build process. -# -# Hand optimized assembly code for the following routines -# -# bn_sqr_comba4 -# bn_sqr_comba8 -# bn_mul_comba4 -# bn_mul_comba8 -# bn_sub_words -# bn_add_words -# bn_div_words -# bn_sqr_words -# bn_mul_words -# bn_mul_add_words -# -# NOTE: It is possible to optimize this code more for -# specific PowerPC or Power architectures. On the Northstar -# architecture the optimizations in this file do -# NOT provide much improvement. -# -# If you have comments or suggestions to improve code send -# me a note at schari\@us.ibm.com -# -#-------------------------------------------------------------------------- -# -# Defines to be used in the assembly code. -# -#.set r0,0 # we use it as storage for value of 0 -#.set SP,1 # preserved -#.set RTOC,2 # preserved -#.set r3,3 # 1st argument/return value -#.set r4,4 # 2nd argument/volatile register -#.set r5,5 # 3rd argument/volatile register -#.set r6,6 # ... -#.set r7,7 -#.set r8,8 -#.set r9,9 -#.set r10,10 -#.set r11,11 -#.set r12,12 -#.set r13,13 # not used, nor any other "below" it... - -# Declare function names to be global -# NOTE: For gcc these names MUST be changed to remove -# the first . i.e. for example change ".bn_sqr_comba4" -# to "bn_sqr_comba4". This should be automatically done -# in the build. - - .globl .bn_sqr_comba4 - .globl .bn_sqr_comba8 - .globl .bn_mul_comba4 - .globl .bn_mul_comba8 - .globl .bn_sub_words - .globl .bn_add_words - .globl .bn_div_words - .globl .bn_sqr_words - .globl .bn_mul_words - .globl .bn_mul_add_words - -# .text section - - .machine "any" - -# -# NOTE: The following label name should be changed to -# "bn_sqr_comba4" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# - -.align 4 -.bn_sqr_comba4: -# -# Optimized version of bn_sqr_comba4. -# -# void bn_sqr_comba4(BN_ULONG *r, BN_ULONG *a) -# r3 contains r -# r4 contains a -# -# Freely use registers r5,r6,r7,r8,r9,r10,r11 as follows: -# -# r5,r6 are the two BN_ULONGs being multiplied. -# r7,r8 are the results of the 32x32 giving 64 bit multiply. -# r9,r10, r11 are the equivalents of c1,c2, c3. -# Here's the assembly -# -# - xor r0,r0,r0 # set r0 = 0. Used in the addze - # instructions below - - #sqr_add_c(a,0,c1,c2,c3) - $LD r5,`0*$BNSZ`(r4) - $UMULL r9,r5,r5 - $UMULH r10,r5,r5 #in first iteration. No need - #to add since c1=c2=c3=0. - # Note c3(r11) is NOT set to 0 - # but will be. - - $ST r9,`0*$BNSZ`(r3) # r[0]=c1; - # sqr_add_c2(a,1,0,c2,c3,c1); - $LD r6,`1*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r7,r7,r7 # compute (r7,r8)=2*(r7,r8) - adde r8,r8,r8 - addze r9,r0 # catch carry if any. - # r9= r0(=0) and carry - - addc r10,r7,r10 # now add to temp result. - addze r11,r8 # r8 added to r11 which is 0 - addze r9,r9 - - $ST r10,`1*$BNSZ`(r3) #r[1]=c2; - #sqr_add_c(a,1,c3,c1,c2) - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r0 - #sqr_add_c2(a,2,0,c3,c1,c2) - $LD r6,`2*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r7,r7,r7 - adde r8,r8,r8 - addze r10,r10 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - $ST r11,`2*$BNSZ`(r3) #r[2]=c3 - #sqr_add_c2(a,3,0,c1,c2,c3); - $LD r6,`3*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r7,r7,r7 - adde r8,r8,r8 - addze r11,r0 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - #sqr_add_c2(a,2,1,c1,c2,c3); - $LD r5,`1*$BNSZ`(r4) - $LD r6,`2*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r7,r7,r7 - adde r8,r8,r8 - addze r11,r11 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - $ST r9,`3*$BNSZ`(r3) #r[3]=c1 - #sqr_add_c(a,2,c2,c3,c1); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r0 - #sqr_add_c2(a,3,1,c2,c3,c1); - $LD r6,`3*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r7,r7,r7 - adde r8,r8,r8 - addze r9,r9 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - $ST r10,`4*$BNSZ`(r3) #r[4]=c2 - #sqr_add_c2(a,3,2,c3,c1,c2); - $LD r5,`2*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r7,r7,r7 - adde r8,r8,r8 - addze r10,r0 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - $ST r11,`5*$BNSZ`(r3) #r[5] = c3 - #sqr_add_c(a,3,c1,c2,c3); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r9,r7,r9 - adde r10,r8,r10 - - $ST r9,`6*$BNSZ`(r3) #r[6]=c1 - $ST r10,`7*$BNSZ`(r3) #r[7]=c2 - blr - .long 0x00000000 - -# -# NOTE: The following label name should be changed to -# "bn_sqr_comba8" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# - -.align 4 -.bn_sqr_comba8: -# -# This is an optimized version of the bn_sqr_comba8 routine. -# Tightly uses the adde instruction -# -# -# void bn_sqr_comba8(BN_ULONG *r, BN_ULONG *a) -# r3 contains r -# r4 contains a -# -# Freely use registers r5,r6,r7,r8,r9,r10,r11 as follows: -# -# r5,r6 are the two BN_ULONGs being multiplied. -# r7,r8 are the results of the 32x32 giving 64 bit multiply. -# r9,r10, r11 are the equivalents of c1,c2, c3. -# -# Possible optimization of loading all 8 longs of a into registers -# doesnt provide any speedup -# - - xor r0,r0,r0 #set r0 = 0.Used in addze - #instructions below. - - #sqr_add_c(a,0,c1,c2,c3); - $LD r5,`0*$BNSZ`(r4) - $UMULL r9,r5,r5 #1st iteration: no carries. - $UMULH r10,r5,r5 - $ST r9,`0*$BNSZ`(r3) # r[0]=c1; - #sqr_add_c2(a,1,0,c2,c3,c1); - $LD r6,`1*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r10,r7,r10 #add the two register number - adde r11,r8,r0 # (r8,r7) to the three register - addze r9,r0 # number (r9,r11,r10).NOTE:r0=0 - - addc r10,r7,r10 #add the two register number - adde r11,r8,r11 # (r8,r7) to the three register - addze r9,r9 # number (r9,r11,r10). - - $ST r10,`1*$BNSZ`(r3) # r[1]=c2 - - #sqr_add_c(a,1,c3,c1,c2); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r0 - #sqr_add_c2(a,2,0,c3,c1,c2); - $LD r6,`2*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - - $ST r11,`2*$BNSZ`(r3) #r[2]=c3 - #sqr_add_c2(a,3,0,c1,c2,c3); - $LD r6,`3*$BNSZ`(r4) #r6 = a[3]. r5 is already a[0]. - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r0 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - #sqr_add_c2(a,2,1,c1,c2,c3); - $LD r5,`1*$BNSZ`(r4) - $LD r6,`2*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - - $ST r9,`3*$BNSZ`(r3) #r[3]=c1; - #sqr_add_c(a,2,c2,c3,c1); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r0 - #sqr_add_c2(a,3,1,c2,c3,c1); - $LD r6,`3*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - #sqr_add_c2(a,4,0,c2,c3,c1); - $LD r5,`0*$BNSZ`(r4) - $LD r6,`4*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - $ST r10,`4*$BNSZ`(r3) #r[4]=c2; - #sqr_add_c2(a,5,0,c3,c1,c2); - $LD r6,`5*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r0 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - #sqr_add_c2(a,4,1,c3,c1,c2); - $LD r5,`1*$BNSZ`(r4) - $LD r6,`4*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - #sqr_add_c2(a,3,2,c3,c1,c2); - $LD r5,`2*$BNSZ`(r4) - $LD r6,`3*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - $ST r11,`5*$BNSZ`(r3) #r[5]=c3; - #sqr_add_c(a,3,c1,c2,c3); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r0 - #sqr_add_c2(a,4,2,c1,c2,c3); - $LD r6,`4*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - #sqr_add_c2(a,5,1,c1,c2,c3); - $LD r5,`1*$BNSZ`(r4) - $LD r6,`5*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - #sqr_add_c2(a,6,0,c1,c2,c3); - $LD r5,`0*$BNSZ`(r4) - $LD r6,`6*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - $ST r9,`6*$BNSZ`(r3) #r[6]=c1; - #sqr_add_c2(a,7,0,c2,c3,c1); - $LD r6,`7*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r0 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - #sqr_add_c2(a,6,1,c2,c3,c1); - $LD r5,`1*$BNSZ`(r4) - $LD r6,`6*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - #sqr_add_c2(a,5,2,c2,c3,c1); - $LD r5,`2*$BNSZ`(r4) - $LD r6,`5*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - #sqr_add_c2(a,4,3,c2,c3,c1); - $LD r5,`3*$BNSZ`(r4) - $LD r6,`4*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - $ST r10,`7*$BNSZ`(r3) #r[7]=c2; - #sqr_add_c(a,4,c3,c1,c2); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r0 - #sqr_add_c2(a,5,3,c3,c1,c2); - $LD r6,`5*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - #sqr_add_c2(a,6,2,c3,c1,c2); - $LD r5,`2*$BNSZ`(r4) - $LD r6,`6*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - #sqr_add_c2(a,7,1,c3,c1,c2); - $LD r5,`1*$BNSZ`(r4) - $LD r6,`7*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - $ST r11,`8*$BNSZ`(r3) #r[8]=c3; - #sqr_add_c2(a,7,2,c1,c2,c3); - $LD r5,`2*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r0 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - #sqr_add_c2(a,6,3,c1,c2,c3); - $LD r5,`3*$BNSZ`(r4) - $LD r6,`6*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - #sqr_add_c2(a,5,4,c1,c2,c3); - $LD r5,`4*$BNSZ`(r4) - $LD r6,`5*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - $ST r9,`9*$BNSZ`(r3) #r[9]=c1; - #sqr_add_c(a,5,c2,c3,c1); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r0 - #sqr_add_c2(a,6,4,c2,c3,c1); - $LD r6,`6*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - #sqr_add_c2(a,7,3,c2,c3,c1); - $LD r5,`3*$BNSZ`(r4) - $LD r6,`7*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - $ST r10,`10*$BNSZ`(r3) #r[10]=c2; - #sqr_add_c2(a,7,4,c3,c1,c2); - $LD r5,`4*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r0 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - #sqr_add_c2(a,6,5,c3,c1,c2); - $LD r5,`5*$BNSZ`(r4) - $LD r6,`6*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - addc r11,r7,r11 - adde r9,r8,r9 - addze r10,r10 - $ST r11,`11*$BNSZ`(r3) #r[11]=c3; - #sqr_add_c(a,6,c1,c2,c3); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r0 - #sqr_add_c2(a,7,5,c1,c2,c3) - $LD r6,`7*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - addc r9,r7,r9 - adde r10,r8,r10 - addze r11,r11 - $ST r9,`12*$BNSZ`(r3) #r[12]=c1; - - #sqr_add_c2(a,7,6,c2,c3,c1) - $LD r5,`6*$BNSZ`(r4) - $UMULL r7,r5,r6 - $UMULH r8,r5,r6 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r0 - addc r10,r7,r10 - adde r11,r8,r11 - addze r9,r9 - $ST r10,`13*$BNSZ`(r3) #r[13]=c2; - #sqr_add_c(a,7,c3,c1,c2); - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - addc r11,r7,r11 - adde r9,r8,r9 - $ST r11,`14*$BNSZ`(r3) #r[14]=c3; - $ST r9, `15*$BNSZ`(r3) #r[15]=c1; - - - blr - - .long 0x00000000 - -# -# NOTE: The following label name should be changed to -# "bn_mul_comba4" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# - -.align 4 -.bn_mul_comba4: -# -# This is an optimized version of the bn_mul_comba4 routine. -# -# void bn_mul_comba4(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b) -# r3 contains r -# r4 contains a -# r5 contains b -# r6, r7 are the 2 BN_ULONGs being multiplied. -# r8, r9 are the results of the 32x32 giving 64 multiply. -# r10, r11, r12 are the equivalents of c1, c2, and c3. -# - xor r0,r0,r0 #r0=0. Used in addze below. - #mul_add_c(a[0],b[0],c1,c2,c3); - $LD r6,`0*$BNSZ`(r4) - $LD r7,`0*$BNSZ`(r5) - $UMULL r10,r6,r7 - $UMULH r11,r6,r7 - $ST r10,`0*$BNSZ`(r3) #r[0]=c1 - #mul_add_c(a[0],b[1],c2,c3,c1); - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r8,r11 - adde r12,r9,r0 - addze r10,r0 - #mul_add_c(a[1],b[0],c2,c3,c1); - $LD r6, `1*$BNSZ`(r4) - $LD r7, `0*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r8,r11 - adde r12,r9,r12 - addze r10,r10 - $ST r11,`1*$BNSZ`(r3) #r[1]=c2 - #mul_add_c(a[2],b[0],c3,c1,c2); - $LD r6,`2*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r8,r12 - adde r10,r9,r10 - addze r11,r0 - #mul_add_c(a[1],b[1],c3,c1,c2); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r8,r12 - adde r10,r9,r10 - addze r11,r11 - #mul_add_c(a[0],b[2],c3,c1,c2); - $LD r6,`0*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r8,r12 - adde r10,r9,r10 - addze r11,r11 - $ST r12,`2*$BNSZ`(r3) #r[2]=c3 - #mul_add_c(a[0],b[3],c1,c2,c3); - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r8,r10 - adde r11,r9,r11 - addze r12,r0 - #mul_add_c(a[1],b[2],c1,c2,c3); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r8,r10 - adde r11,r9,r11 - addze r12,r12 - #mul_add_c(a[2],b[1],c1,c2,c3); - $LD r6,`2*$BNSZ`(r4) - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r8,r10 - adde r11,r9,r11 - addze r12,r12 - #mul_add_c(a[3],b[0],c1,c2,c3); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`0*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r8,r10 - adde r11,r9,r11 - addze r12,r12 - $ST r10,`3*$BNSZ`(r3) #r[3]=c1 - #mul_add_c(a[3],b[1],c2,c3,c1); - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r8,r11 - adde r12,r9,r12 - addze r10,r0 - #mul_add_c(a[2],b[2],c2,c3,c1); - $LD r6,`2*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r8,r11 - adde r12,r9,r12 - addze r10,r10 - #mul_add_c(a[1],b[3],c2,c3,c1); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r8,r11 - adde r12,r9,r12 - addze r10,r10 - $ST r11,`4*$BNSZ`(r3) #r[4]=c2 - #mul_add_c(a[2],b[3],c3,c1,c2); - $LD r6,`2*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r8,r12 - adde r10,r9,r10 - addze r11,r0 - #mul_add_c(a[3],b[2],c3,c1,c2); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r8,r12 - adde r10,r9,r10 - addze r11,r11 - $ST r12,`5*$BNSZ`(r3) #r[5]=c3 - #mul_add_c(a[3],b[3],c1,c2,c3); - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r8,r10 - adde r11,r9,r11 - - $ST r10,`6*$BNSZ`(r3) #r[6]=c1 - $ST r11,`7*$BNSZ`(r3) #r[7]=c2 - blr - .long 0x00000000 - -# -# NOTE: The following label name should be changed to -# "bn_mul_comba8" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# - -.align 4 -.bn_mul_comba8: -# -# Optimized version of the bn_mul_comba8 routine. -# -# void bn_mul_comba8(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b) -# r3 contains r -# r4 contains a -# r5 contains b -# r6, r7 are the 2 BN_ULONGs being multiplied. -# r8, r9 are the results of the 32x32 giving 64 multiply. -# r10, r11, r12 are the equivalents of c1, c2, and c3. -# - xor r0,r0,r0 #r0=0. Used in addze below. - - #mul_add_c(a[0],b[0],c1,c2,c3); - $LD r6,`0*$BNSZ`(r4) #a[0] - $LD r7,`0*$BNSZ`(r5) #b[0] - $UMULL r10,r6,r7 - $UMULH r11,r6,r7 - $ST r10,`0*$BNSZ`(r3) #r[0]=c1; - #mul_add_c(a[0],b[1],c2,c3,c1); - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - addze r12,r9 # since we didnt set r12 to zero before. - addze r10,r0 - #mul_add_c(a[1],b[0],c2,c3,c1); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`0*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - $ST r11,`1*$BNSZ`(r3) #r[1]=c2; - #mul_add_c(a[2],b[0],c3,c1,c2); - $LD r6,`2*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r0 - #mul_add_c(a[1],b[1],c3,c1,c2); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[0],b[2],c3,c1,c2); - $LD r6,`0*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - $ST r12,`2*$BNSZ`(r3) #r[2]=c3; - #mul_add_c(a[0],b[3],c1,c2,c3); - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r0 - #mul_add_c(a[1],b[2],c1,c2,c3); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - - #mul_add_c(a[2],b[1],c1,c2,c3); - $LD r6,`2*$BNSZ`(r4) - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[3],b[0],c1,c2,c3); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`0*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - $ST r10,`3*$BNSZ`(r3) #r[3]=c1; - #mul_add_c(a[4],b[0],c2,c3,c1); - $LD r6,`4*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r0 - #mul_add_c(a[3],b[1],c2,c3,c1); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[2],b[2],c2,c3,c1); - $LD r6,`2*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[1],b[3],c2,c3,c1); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[0],b[4],c2,c3,c1); - $LD r6,`0*$BNSZ`(r4) - $LD r7,`4*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - $ST r11,`4*$BNSZ`(r3) #r[4]=c2; - #mul_add_c(a[0],b[5],c3,c1,c2); - $LD r7,`5*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r0 - #mul_add_c(a[1],b[4],c3,c1,c2); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`4*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[2],b[3],c3,c1,c2); - $LD r6,`2*$BNSZ`(r4) - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[3],b[2],c3,c1,c2); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[4],b[1],c3,c1,c2); - $LD r6,`4*$BNSZ`(r4) - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[5],b[0],c3,c1,c2); - $LD r6,`5*$BNSZ`(r4) - $LD r7,`0*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - $ST r12,`5*$BNSZ`(r3) #r[5]=c3; - #mul_add_c(a[6],b[0],c1,c2,c3); - $LD r6,`6*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r0 - #mul_add_c(a[5],b[1],c1,c2,c3); - $LD r6,`5*$BNSZ`(r4) - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[4],b[2],c1,c2,c3); - $LD r6,`4*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[3],b[3],c1,c2,c3); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[2],b[4],c1,c2,c3); - $LD r6,`2*$BNSZ`(r4) - $LD r7,`4*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[1],b[5],c1,c2,c3); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`5*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[0],b[6],c1,c2,c3); - $LD r6,`0*$BNSZ`(r4) - $LD r7,`6*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - $ST r10,`6*$BNSZ`(r3) #r[6]=c1; - #mul_add_c(a[0],b[7],c2,c3,c1); - $LD r7,`7*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r0 - #mul_add_c(a[1],b[6],c2,c3,c1); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`6*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[2],b[5],c2,c3,c1); - $LD r6,`2*$BNSZ`(r4) - $LD r7,`5*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[3],b[4],c2,c3,c1); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`4*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[4],b[3],c2,c3,c1); - $LD r6,`4*$BNSZ`(r4) - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[5],b[2],c2,c3,c1); - $LD r6,`5*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[6],b[1],c2,c3,c1); - $LD r6,`6*$BNSZ`(r4) - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[7],b[0],c2,c3,c1); - $LD r6,`7*$BNSZ`(r4) - $LD r7,`0*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - $ST r11,`7*$BNSZ`(r3) #r[7]=c2; - #mul_add_c(a[7],b[1],c3,c1,c2); - $LD r7,`1*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r0 - #mul_add_c(a[6],b[2],c3,c1,c2); - $LD r6,`6*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[5],b[3],c3,c1,c2); - $LD r6,`5*$BNSZ`(r4) - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[4],b[4],c3,c1,c2); - $LD r6,`4*$BNSZ`(r4) - $LD r7,`4*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[3],b[5],c3,c1,c2); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`5*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[2],b[6],c3,c1,c2); - $LD r6,`2*$BNSZ`(r4) - $LD r7,`6*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[1],b[7],c3,c1,c2); - $LD r6,`1*$BNSZ`(r4) - $LD r7,`7*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - $ST r12,`8*$BNSZ`(r3) #r[8]=c3; - #mul_add_c(a[2],b[7],c1,c2,c3); - $LD r6,`2*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r0 - #mul_add_c(a[3],b[6],c1,c2,c3); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`6*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[4],b[5],c1,c2,c3); - $LD r6,`4*$BNSZ`(r4) - $LD r7,`5*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[5],b[4],c1,c2,c3); - $LD r6,`5*$BNSZ`(r4) - $LD r7,`4*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[6],b[3],c1,c2,c3); - $LD r6,`6*$BNSZ`(r4) - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[7],b[2],c1,c2,c3); - $LD r6,`7*$BNSZ`(r4) - $LD r7,`2*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - $ST r10,`9*$BNSZ`(r3) #r[9]=c1; - #mul_add_c(a[7],b[3],c2,c3,c1); - $LD r7,`3*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r0 - #mul_add_c(a[6],b[4],c2,c3,c1); - $LD r6,`6*$BNSZ`(r4) - $LD r7,`4*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[5],b[5],c2,c3,c1); - $LD r6,`5*$BNSZ`(r4) - $LD r7,`5*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[4],b[6],c2,c3,c1); - $LD r6,`4*$BNSZ`(r4) - $LD r7,`6*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - #mul_add_c(a[3],b[7],c2,c3,c1); - $LD r6,`3*$BNSZ`(r4) - $LD r7,`7*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - $ST r11,`10*$BNSZ`(r3) #r[10]=c2; - #mul_add_c(a[4],b[7],c3,c1,c2); - $LD r6,`4*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r0 - #mul_add_c(a[5],b[6],c3,c1,c2); - $LD r6,`5*$BNSZ`(r4) - $LD r7,`6*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[6],b[5],c3,c1,c2); - $LD r6,`6*$BNSZ`(r4) - $LD r7,`5*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - #mul_add_c(a[7],b[4],c3,c1,c2); - $LD r6,`7*$BNSZ`(r4) - $LD r7,`4*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - addze r11,r11 - $ST r12,`11*$BNSZ`(r3) #r[11]=c3; - #mul_add_c(a[7],b[5],c1,c2,c3); - $LD r7,`5*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r0 - #mul_add_c(a[6],b[6],c1,c2,c3); - $LD r6,`6*$BNSZ`(r4) - $LD r7,`6*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - #mul_add_c(a[5],b[7],c1,c2,c3); - $LD r6,`5*$BNSZ`(r4) - $LD r7,`7*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r10,r10,r8 - adde r11,r11,r9 - addze r12,r12 - $ST r10,`12*$BNSZ`(r3) #r[12]=c1; - #mul_add_c(a[6],b[7],c2,c3,c1); - $LD r6,`6*$BNSZ`(r4) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r0 - #mul_add_c(a[7],b[6],c2,c3,c1); - $LD r6,`7*$BNSZ`(r4) - $LD r7,`6*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r11,r11,r8 - adde r12,r12,r9 - addze r10,r10 - $ST r11,`13*$BNSZ`(r3) #r[13]=c2; - #mul_add_c(a[7],b[7],c3,c1,c2); - $LD r7,`7*$BNSZ`(r5) - $UMULL r8,r6,r7 - $UMULH r9,r6,r7 - addc r12,r12,r8 - adde r10,r10,r9 - $ST r12,`14*$BNSZ`(r3) #r[14]=c3; - $ST r10,`15*$BNSZ`(r3) #r[15]=c1; - blr - .long 0x00000000 - -# -# NOTE: The following label name should be changed to -# "bn_sub_words" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# -# -.align 4 -.bn_sub_words: -# -# Handcoded version of bn_sub_words -# -#BN_ULONG bn_sub_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n) -# -# r3 = r -# r4 = a -# r5 = b -# r6 = n -# -# Note: No loop unrolling done since this is not a performance -# critical loop. - - xor r0,r0,r0 #set r0 = 0 -# -# check for r6 = 0 AND set carry bit. -# - subfc. r7,r0,r6 # If r6 is 0 then result is 0. - # if r6 > 0 then result !=0 - # In either case carry bit is set. - beq Lppcasm_sub_adios - addi r4,r4,-$BNSZ - addi r3,r3,-$BNSZ - addi r5,r5,-$BNSZ - mtctr r6 -Lppcasm_sub_mainloop: - $LDU r7,$BNSZ(r4) - $LDU r8,$BNSZ(r5) - subfe r6,r8,r7 # r6 = r7+carry bit + onescomplement(r8) - # if carry = 1 this is r7-r8. Else it - # is r7-r8 -1 as we need. - $STU r6,$BNSZ(r3) - bdnz- Lppcasm_sub_mainloop -Lppcasm_sub_adios: - subfze r3,r0 # if carry bit is set then r3 = 0 else -1 - andi. r3,r3,1 # keep only last bit. - blr - .long 0x00000000 - - -# -# NOTE: The following label name should be changed to -# "bn_add_words" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# - -.align 4 -.bn_add_words: -# -# Handcoded version of bn_add_words -# -#BN_ULONG bn_add_words(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n) -# -# r3 = r -# r4 = a -# r5 = b -# r6 = n -# -# Note: No loop unrolling done since this is not a performance -# critical loop. - - xor r0,r0,r0 -# -# check for r6 = 0. Is this needed? -# - addic. r6,r6,0 #test r6 and clear carry bit. - beq Lppcasm_add_adios - addi r4,r4,-$BNSZ - addi r3,r3,-$BNSZ - addi r5,r5,-$BNSZ - mtctr r6 -Lppcasm_add_mainloop: - $LDU r7,$BNSZ(r4) - $LDU r8,$BNSZ(r5) - adde r8,r7,r8 - $STU r8,$BNSZ(r3) - bdnz- Lppcasm_add_mainloop -Lppcasm_add_adios: - addze r3,r0 #return carry bit. - blr - .long 0x00000000 - -# -# NOTE: The following label name should be changed to -# "bn_div_words" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# - -.align 4 -.bn_div_words: -# -# This is a cleaned up version of code generated by -# the AIX compiler. The only optimization is to use -# the PPC instruction to count leading zeros instead -# of call to num_bits_word. Since this was compiled -# only at level -O2 we can possibly squeeze it more? -# -# r3 = h -# r4 = l -# r5 = d - - $UCMPI 0,r5,0 # compare r5 and 0 - bne Lppcasm_div1 # proceed if d!=0 - li r3,-1 # d=0 return -1 - blr -Lppcasm_div1: - xor r0,r0,r0 #r0=0 - li r8,$BITS - $CNTLZ. r7,r5 #r7 = num leading 0s in d. - beq Lppcasm_div2 #proceed if no leading zeros - subf r8,r7,r8 #r8 = BN_num_bits_word(d) - $SHR. r9,r3,r8 #are there any bits above r8'th? - $TR 16,r9,r0 #if there're, signal to dump core... -Lppcasm_div2: - $UCMP 0,r3,r5 #h>=d? - blt Lppcasm_div3 #goto Lppcasm_div3 if not - subf r3,r5,r3 #h-=d ; -Lppcasm_div3: #r7 = BN_BITS2-i. so r7=i - cmpi 0,0,r7,0 # is (i == 0)? - beq Lppcasm_div4 - $SHL r3,r3,r7 # h = (h<< i) - $SHR r8,r4,r8 # r8 = (l >> BN_BITS2 -i) - $SHL r5,r5,r7 # d<<=i - or r3,r3,r8 # h = (h<<i)|(l>>(BN_BITS2-i)) - $SHL r4,r4,r7 # l <<=i -Lppcasm_div4: - $SHRI r9,r5,`$BITS/2` # r9 = dh - # dl will be computed when needed - # as it saves registers. - li r6,2 #r6=2 - mtctr r6 #counter will be in count. -Lppcasm_divouterloop: - $SHRI r8,r3,`$BITS/2` #r8 = (h>>BN_BITS4) - $SHRI r11,r4,`$BITS/2` #r11= (l&BN_MASK2h)>>BN_BITS4 - # compute here for innerloop. - $UCMP 0,r8,r9 # is (h>>BN_BITS4)==dh - bne Lppcasm_div5 # goto Lppcasm_div5 if not - - li r8,-1 - $CLRU r8,r8,`$BITS/2` #q = BN_MASK2l - b Lppcasm_div6 -Lppcasm_div5: - $UDIV r8,r3,r9 #q = h/dh -Lppcasm_div6: - $UMULL r12,r9,r8 #th = q*dh - $CLRU r10,r5,`$BITS/2` #r10=dl - $UMULL r6,r8,r10 #tl = q*dl - -Lppcasm_divinnerloop: - subf r10,r12,r3 #t = h -th - $SHRI r7,r10,`$BITS/2` #r7= (t &BN_MASK2H), sort of... - addic. r7,r7,0 #test if r7 == 0. used below. - # now want to compute - # r7 = (t<<BN_BITS4)|((l&BN_MASK2h)>>BN_BITS4) - # the following 2 instructions do that - $SHLI r7,r10,`$BITS/2` # r7 = (t<<BN_BITS4) - or r7,r7,r11 # r7|=((l&BN_MASK2h)>>BN_BITS4) - $UCMP cr1,r6,r7 # compare (tl <= r7) - bne Lppcasm_divinnerexit - ble cr1,Lppcasm_divinnerexit - addi r8,r8,-1 #q-- - subf r12,r9,r12 #th -=dh - $CLRU r10,r5,`$BITS/2` #r10=dl. t is no longer needed in loop. - subf r6,r10,r6 #tl -=dl - b Lppcasm_divinnerloop -Lppcasm_divinnerexit: - $SHRI r10,r6,`$BITS/2` #t=(tl>>BN_BITS4) - $SHLI r11,r6,`$BITS/2` #tl=(tl<<BN_BITS4)&BN_MASK2h; - $UCMP cr1,r4,r11 # compare l and tl - add r12,r12,r10 # th+=t - bge cr1,Lppcasm_div7 # if (l>=tl) goto Lppcasm_div7 - addi r12,r12,1 # th++ -Lppcasm_div7: - subf r11,r11,r4 #r11=l-tl - $UCMP cr1,r3,r12 #compare h and th - bge cr1,Lppcasm_div8 #if (h>=th) goto Lppcasm_div8 - addi r8,r8,-1 # q-- - add r3,r5,r3 # h+=d -Lppcasm_div8: - subf r12,r12,r3 #r12 = h-th - $SHLI r4,r11,`$BITS/2` #l=(l&BN_MASK2l)<<BN_BITS4 - # want to compute - # h = ((h<<BN_BITS4)|(l>>BN_BITS4))&BN_MASK2 - # the following 2 instructions will do this. - $INSR r11,r12,`$BITS/2`,`$BITS/2` # r11 is the value we want rotated $BITS/2. - $ROTL r3,r11,`$BITS/2` # rotate by $BITS/2 and store in r3 - bdz Lppcasm_div9 #if (count==0) break ; - $SHLI r0,r8,`$BITS/2` #ret =q<<BN_BITS4 - b Lppcasm_divouterloop -Lppcasm_div9: - or r3,r8,r0 - blr - .long 0x00000000 - -# -# NOTE: The following label name should be changed to -# "bn_sqr_words" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# -.align 4 -.bn_sqr_words: -# -# Optimized version of bn_sqr_words -# -# void bn_sqr_words(BN_ULONG *r, BN_ULONG *a, int n) -# -# r3 = r -# r4 = a -# r5 = n -# -# r6 = a[i]. -# r7,r8 = product. -# -# No unrolling done here. Not performance critical. - - addic. r5,r5,0 #test r5. - beq Lppcasm_sqr_adios - addi r4,r4,-$BNSZ - addi r3,r3,-$BNSZ - mtctr r5 -Lppcasm_sqr_mainloop: - #sqr(r[0],r[1],a[0]); - $LDU r6,$BNSZ(r4) - $UMULL r7,r6,r6 - $UMULH r8,r6,r6 - $STU r7,$BNSZ(r3) - $STU r8,$BNSZ(r3) - bdnz- Lppcasm_sqr_mainloop -Lppcasm_sqr_adios: - blr - .long 0x00000000 - - -# -# NOTE: The following label name should be changed to -# "bn_mul_words" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# - -.align 4 -.bn_mul_words: -# -# BN_ULONG bn_mul_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w) -# -# r3 = rp -# r4 = ap -# r5 = num -# r6 = w - xor r0,r0,r0 - xor r12,r12,r12 # used for carry - rlwinm. r7,r5,30,2,31 # num >> 2 - beq Lppcasm_mw_REM - mtctr r7 -Lppcasm_mw_LOOP: - #mul(rp[0],ap[0],w,c1); - $LD r8,`0*$BNSZ`(r4) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - addc r9,r9,r12 - #addze r10,r10 #carry is NOT ignored. - #will be taken care of - #in second spin below - #using adde. - $ST r9,`0*$BNSZ`(r3) - #mul(rp[1],ap[1],w,c1); - $LD r8,`1*$BNSZ`(r4) - $UMULL r11,r6,r8 - $UMULH r12,r6,r8 - adde r11,r11,r10 - #addze r12,r12 - $ST r11,`1*$BNSZ`(r3) - #mul(rp[2],ap[2],w,c1); - $LD r8,`2*$BNSZ`(r4) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - adde r9,r9,r12 - #addze r10,r10 - $ST r9,`2*$BNSZ`(r3) - #mul_add(rp[3],ap[3],w,c1); - $LD r8,`3*$BNSZ`(r4) - $UMULL r11,r6,r8 - $UMULH r12,r6,r8 - adde r11,r11,r10 - addze r12,r12 #this spin we collect carry into - #r12 - $ST r11,`3*$BNSZ`(r3) - - addi r3,r3,`4*$BNSZ` - addi r4,r4,`4*$BNSZ` - bdnz- Lppcasm_mw_LOOP - -Lppcasm_mw_REM: - andi. r5,r5,0x3 - beq Lppcasm_mw_OVER - #mul(rp[0],ap[0],w,c1); - $LD r8,`0*$BNSZ`(r4) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - addc r9,r9,r12 - addze r10,r10 - $ST r9,`0*$BNSZ`(r3) - addi r12,r10,0 - - addi r5,r5,-1 - cmpli 0,0,r5,0 - beq Lppcasm_mw_OVER - - - #mul(rp[1],ap[1],w,c1); - $LD r8,`1*$BNSZ`(r4) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - addc r9,r9,r12 - addze r10,r10 - $ST r9,`1*$BNSZ`(r3) - addi r12,r10,0 - - addi r5,r5,-1 - cmpli 0,0,r5,0 - beq Lppcasm_mw_OVER - - #mul_add(rp[2],ap[2],w,c1); - $LD r8,`2*$BNSZ`(r4) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - addc r9,r9,r12 - addze r10,r10 - $ST r9,`2*$BNSZ`(r3) - addi r12,r10,0 - -Lppcasm_mw_OVER: - addi r3,r12,0 - blr - .long 0x00000000 - -# -# NOTE: The following label name should be changed to -# "bn_mul_add_words" i.e. remove the first dot -# for the gcc compiler. This should be automatically -# done in the build -# - -.align 4 -.bn_mul_add_words: -# -# BN_ULONG bn_mul_add_words(BN_ULONG *rp, BN_ULONG *ap, int num, BN_ULONG w) -# -# r3 = rp -# r4 = ap -# r5 = num -# r6 = w -# -# empirical evidence suggests that unrolled version performs best!! -# - xor r0,r0,r0 #r0 = 0 - xor r12,r12,r12 #r12 = 0 . used for carry - rlwinm. r7,r5,30,2,31 # num >> 2 - beq Lppcasm_maw_leftover # if (num < 4) go LPPCASM_maw_leftover - mtctr r7 -Lppcasm_maw_mainloop: - #mul_add(rp[0],ap[0],w,c1); - $LD r8,`0*$BNSZ`(r4) - $LD r11,`0*$BNSZ`(r3) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - addc r9,r9,r12 #r12 is carry. - addze r10,r10 - addc r9,r9,r11 - #addze r10,r10 - #the above instruction addze - #is NOT needed. Carry will NOT - #be ignored. It's not affected - #by multiply and will be collected - #in the next spin - $ST r9,`0*$BNSZ`(r3) - - #mul_add(rp[1],ap[1],w,c1); - $LD r8,`1*$BNSZ`(r4) - $LD r9,`1*$BNSZ`(r3) - $UMULL r11,r6,r8 - $UMULH r12,r6,r8 - adde r11,r11,r10 #r10 is carry. - addze r12,r12 - addc r11,r11,r9 - #addze r12,r12 - $ST r11,`1*$BNSZ`(r3) - - #mul_add(rp[2],ap[2],w,c1); - $LD r8,`2*$BNSZ`(r4) - $UMULL r9,r6,r8 - $LD r11,`2*$BNSZ`(r3) - $UMULH r10,r6,r8 - adde r9,r9,r12 - addze r10,r10 - addc r9,r9,r11 - #addze r10,r10 - $ST r9,`2*$BNSZ`(r3) - - #mul_add(rp[3],ap[3],w,c1); - $LD r8,`3*$BNSZ`(r4) - $UMULL r11,r6,r8 - $LD r9,`3*$BNSZ`(r3) - $UMULH r12,r6,r8 - adde r11,r11,r10 - addze r12,r12 - addc r11,r11,r9 - addze r12,r12 - $ST r11,`3*$BNSZ`(r3) - addi r3,r3,`4*$BNSZ` - addi r4,r4,`4*$BNSZ` - bdnz- Lppcasm_maw_mainloop - -Lppcasm_maw_leftover: - andi. r5,r5,0x3 - beq Lppcasm_maw_adios - addi r3,r3,-$BNSZ - addi r4,r4,-$BNSZ - #mul_add(rp[0],ap[0],w,c1); - mtctr r5 - $LDU r8,$BNSZ(r4) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - $LDU r11,$BNSZ(r3) - addc r9,r9,r11 - addze r10,r10 - addc r9,r9,r12 - addze r12,r10 - $ST r9,0(r3) - - bdz Lppcasm_maw_adios - #mul_add(rp[1],ap[1],w,c1); - $LDU r8,$BNSZ(r4) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - $LDU r11,$BNSZ(r3) - addc r9,r9,r11 - addze r10,r10 - addc r9,r9,r12 - addze r12,r10 - $ST r9,0(r3) - - bdz Lppcasm_maw_adios - #mul_add(rp[2],ap[2],w,c1); - $LDU r8,$BNSZ(r4) - $UMULL r9,r6,r8 - $UMULH r10,r6,r8 - $LDU r11,$BNSZ(r3) - addc r9,r9,r11 - addze r10,r10 - addc r9,r9,r12 - addze r12,r10 - $ST r9,0(r3) - -Lppcasm_maw_adios: - addi r3,r12,0 - blr - .long 0x00000000 - .align 4 -EOF -$data =~ s/\`([^\`]*)\`/eval $1/gem; -print $data; -close STDOUT; |