Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/bn/asm/mips3-mont.pl

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;