Index: openssl/crypto/bn/asm/mips3-mont.pl |
diff --git a/openssl/crypto/bn/asm/mips3-mont.pl b/openssl/crypto/bn/asm/mips3-mont.pl |
deleted file mode 100644 |
index 8f9156e02af382d6f619ed9fdc59bc1522d3f88e..0000000000000000000000000000000000000000 |
--- a/openssl/crypto/bn/asm/mips3-mont.pl |
+++ /dev/null |
@@ -1,327 +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/. |
-# ==================================================================== |
- |
-# This module doesn't present direct interest for OpenSSL, because it |
-# doesn't provide better performance for longer keys. While 512-bit |
-# RSA private key operations are 40% faster, 1024-bit ones are hardly |
-# faster at all, while longer key operations are slower by up to 20%. |
-# It might be of interest to embedded system developers though, as |
-# it's smaller than 1KB, yet offers ~3x improvement over compiler |
-# generated code. |
-# |
-# The module targets N32 and N64 MIPS ABIs and currently is a bit |
-# IRIX-centric, i.e. is likely to require adaptation for other OSes. |
- |
-# int bn_mul_mont( |
-$rp="a0"; # BN_ULONG *rp, |
-$ap="a1"; # const BN_ULONG *ap, |
-$bp="a2"; # const BN_ULONG *bp, |
-$np="a3"; # const BN_ULONG *np, |
-$n0="a4"; # const BN_ULONG *n0, |
-$num="a5"; # int num); |
- |
-$lo0="a6"; |
-$hi0="a7"; |
-$lo1="v0"; |
-$hi1="v1"; |
-$aj="t0"; |
-$bi="t1"; |
-$nj="t2"; |
-$tp="t3"; |
-$alo="s0"; |
-$ahi="s1"; |
-$nlo="s2"; |
-$nhi="s3"; |
-$tj="s4"; |
-$i="s5"; |
-$j="s6"; |
-$fp="t8"; |
-$m1="t9"; |
- |
-$FRAME=8*(2+8); |
- |
-$code=<<___; |
-#include <asm.h> |
-#include <regdef.h> |
- |
-.text |
- |
-.set noat |
-.set reorder |
- |
-.align 5 |
-.globl bn_mul_mont |
-.ent bn_mul_mont |
-bn_mul_mont: |
- .set noreorder |
- PTR_SUB sp,64 |
- move $fp,sp |
- .frame $fp,64,ra |
- slt AT,$num,4 |
- li v0,0 |
- beqzl AT,.Lproceed |
- nop |
- jr ra |
- PTR_ADD sp,$fp,64 |
- .set reorder |
-.align 5 |
-.Lproceed: |
- ld $n0,0($n0) |
- ld $bi,0($bp) # bp[0] |
- ld $aj,0($ap) # ap[0] |
- ld $nj,0($np) # np[0] |
- PTR_SUB sp,16 # place for two extra words |
- sll $num,3 |
- li AT,-4096 |
- PTR_SUB sp,$num |
- and sp,AT |
- |
- sd s0,0($fp) |
- sd s1,8($fp) |
- sd s2,16($fp) |
- sd s3,24($fp) |
- sd s4,32($fp) |
- sd s5,40($fp) |
- sd s6,48($fp) |
- sd s7,56($fp) |
- |
- dmultu $aj,$bi |
- ld $alo,8($ap) |
- ld $nlo,8($np) |
- mflo $lo0 |
- mfhi $hi0 |
- dmultu $lo0,$n0 |
- mflo $m1 |
- |
- dmultu $alo,$bi |
- mflo $alo |
- mfhi $ahi |
- |
- dmultu $nj,$m1 |
- mflo $lo1 |
- mfhi $hi1 |
- dmultu $nlo,$m1 |
- daddu $lo1,$lo0 |
- sltu AT,$lo1,$lo0 |
- daddu $hi1,AT |
- mflo $nlo |
- mfhi $nhi |
- |
- move $tp,sp |
- li $j,16 |
-.align 4 |
-.L1st: |
- .set noreorder |
- PTR_ADD $aj,$ap,$j |
- ld $aj,($aj) |
- PTR_ADD $nj,$np,$j |
- ld $nj,($nj) |
- |
- dmultu $aj,$bi |
- daddu $lo0,$alo,$hi0 |
- daddu $lo1,$nlo,$hi1 |
- sltu AT,$lo0,$hi0 |
- sltu s7,$lo1,$hi1 |
- daddu $hi0,$ahi,AT |
- daddu $hi1,$nhi,s7 |
- mflo $alo |
- mfhi $ahi |
- |
- daddu $lo1,$lo0 |
- sltu AT,$lo1,$lo0 |
- dmultu $nj,$m1 |
- daddu $hi1,AT |
- addu $j,8 |
- sd $lo1,($tp) |
- sltu s7,$j,$num |
- mflo $nlo |
- mfhi $nhi |
- |
- bnez s7,.L1st |
- PTR_ADD $tp,8 |
- .set reorder |
- |
- daddu $lo0,$alo,$hi0 |
- sltu AT,$lo0,$hi0 |
- daddu $hi0,$ahi,AT |
- |
- daddu $lo1,$nlo,$hi1 |
- sltu s7,$lo1,$hi1 |
- daddu $hi1,$nhi,s7 |
- daddu $lo1,$lo0 |
- sltu AT,$lo1,$lo0 |
- daddu $hi1,AT |
- |
- sd $lo1,($tp) |
- |
- daddu $hi1,$hi0 |
- sltu AT,$hi1,$hi0 |
- sd $hi1,8($tp) |
- sd AT,16($tp) |
- |
- li $i,8 |
-.align 4 |
-.Louter: |
- PTR_ADD $bi,$bp,$i |
- ld $bi,($bi) |
- ld $aj,($ap) |
- ld $alo,8($ap) |
- ld $tj,(sp) |
- |
- dmultu $aj,$bi |
- ld $nj,($np) |
- ld $nlo,8($np) |
- mflo $lo0 |
- mfhi $hi0 |
- daddu $lo0,$tj |
- dmultu $lo0,$n0 |
- sltu AT,$lo0,$tj |
- daddu $hi0,AT |
- mflo $m1 |
- |
- dmultu $alo,$bi |
- mflo $alo |
- mfhi $ahi |
- |
- dmultu $nj,$m1 |
- mflo $lo1 |
- mfhi $hi1 |
- |
- dmultu $nlo,$m1 |
- daddu $lo1,$lo0 |
- sltu AT,$lo1,$lo0 |
- daddu $hi1,AT |
- mflo $nlo |
- mfhi $nhi |
- |
- move $tp,sp |
- li $j,16 |
- ld $tj,8($tp) |
-.align 4 |
-.Linner: |
- .set noreorder |
- PTR_ADD $aj,$ap,$j |
- ld $aj,($aj) |
- PTR_ADD $nj,$np,$j |
- ld $nj,($nj) |
- |
- dmultu $aj,$bi |
- daddu $lo0,$alo,$hi0 |
- daddu $lo1,$nlo,$hi1 |
- sltu AT,$lo0,$hi0 |
- sltu s7,$lo1,$hi1 |
- daddu $hi0,$ahi,AT |
- daddu $hi1,$nhi,s7 |
- mflo $alo |
- mfhi $ahi |
- |
- daddu $lo0,$tj |
- addu $j,8 |
- dmultu $nj,$m1 |
- sltu AT,$lo0,$tj |
- daddu $lo1,$lo0 |
- daddu $hi0,AT |
- sltu s7,$lo1,$lo0 |
- ld $tj,16($tp) |
- daddu $hi1,s7 |
- sltu AT,$j,$num |
- mflo $nlo |
- mfhi $nhi |
- sd $lo1,($tp) |
- bnez AT,.Linner |
- PTR_ADD $tp,8 |
- .set reorder |
- |
- daddu $lo0,$alo,$hi0 |
- sltu AT,$lo0,$hi0 |
- daddu $hi0,$ahi,AT |
- daddu $lo0,$tj |
- sltu s7,$lo0,$tj |
- daddu $hi0,s7 |
- |
- ld $tj,16($tp) |
- daddu $lo1,$nlo,$hi1 |
- sltu AT,$lo1,$hi1 |
- daddu $hi1,$nhi,AT |
- daddu $lo1,$lo0 |
- sltu s7,$lo1,$lo0 |
- daddu $hi1,s7 |
- sd $lo1,($tp) |
- |
- daddu $lo1,$hi1,$hi0 |
- sltu $hi1,$lo1,$hi0 |
- daddu $lo1,$tj |
- sltu AT,$lo1,$tj |
- daddu $hi1,AT |
- sd $lo1,8($tp) |
- sd $hi1,16($tp) |
- |
- addu $i,8 |
- sltu s7,$i,$num |
- bnez s7,.Louter |
- |
- .set noreorder |
- PTR_ADD $tj,sp,$num # &tp[num] |
- move $tp,sp |
- move $ap,sp |
- li $hi0,0 # clear borrow bit |
- |
-.align 4 |
-.Lsub: ld $lo0,($tp) |
- ld $lo1,($np) |
- PTR_ADD $tp,8 |
- PTR_ADD $np,8 |
- dsubu $lo1,$lo0,$lo1 # tp[i]-np[i] |
- sgtu AT,$lo1,$lo0 |
- dsubu $lo0,$lo1,$hi0 |
- sgtu $hi0,$lo0,$lo1 |
- sd $lo0,($rp) |
- or $hi0,AT |
- sltu AT,$tp,$tj |
- bnez AT,.Lsub |
- PTR_ADD $rp,8 |
- |
- dsubu $hi0,$hi1,$hi0 # handle upmost overflow bit |
- move $tp,sp |
- PTR_SUB $rp,$num # restore rp |
- not $hi1,$hi0 |
- |
- and $ap,$hi0,sp |
- and $bp,$hi1,$rp |
- or $ap,$ap,$bp # ap=borrow?tp:rp |
- |
-.align 4 |
-.Lcopy: ld $aj,($ap) |
- PTR_ADD $ap,8 |
- PTR_ADD $tp,8 |
- sd zero,-8($tp) |
- sltu AT,$tp,$tj |
- sd $aj,($rp) |
- bnez AT,.Lcopy |
- PTR_ADD $rp,8 |
- |
- ld s0,0($fp) |
- ld s1,8($fp) |
- ld s2,16($fp) |
- ld s3,24($fp) |
- ld s4,32($fp) |
- ld s5,40($fp) |
- ld s6,48($fp) |
- ld s7,56($fp) |
- li v0,1 |
- jr ra |
- PTR_ADD sp,$fp,64 |
- .set reorder |
-END(bn_mul_mont) |
-.rdata |
-.asciiz "Montgomery Multiplication for MIPS III/IV, CRYPTOGAMS by <appro\@openssl.org>" |
-___ |
- |
-print $code; |
-close STDOUT; |