resurrect assembly version of bignum operation; pointed out by perry

This commit is contained in:
itojun 2003-11-04 21:06:32 +00:00
parent 83bd54e877
commit 87abfaaaff
3 changed files with 2226 additions and 0 deletions

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# $NetBSD: bn.inc,v 1.3 2003/11/04 21:06:32 itojun Exp $
#
# @(#) Copyright (c) 1995 Simon J. Gerraty
#
# SRCS extracted from /home/current/src/lib/libcrypto/../../crypto/dist/openssl/crypto/bn/Makefile.ssl
#
.PATH: ${OPENSSLSRC}/crypto/bn
.PATH: ${.CURDIR}/arch/i386
CPPFLAGS+= -I${OPENSSLSRC}/crypto/bn
SRCS+= bn_add.c bn_div.c bn_exp.c bn_lib.c bn_ctx.c bn_mul.c bn_mod.c \
bn_print.c bn_rand.c bn_shift.c bn_word.c bn_blind.c \
bn_kron.c bn_sqrt.c bn_gcd.c bn_prime.c bn_err.c bn_sqr.c bn_asm_586.S bn_comba_586.S \
bn_recp.c bn_mont.c bn_mpi.c bn_exp2.c

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/* $NetBSD: bn_asm_586.S,v 1.3 2003/11/04 21:06:32 itojun Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
/*
* Modified from the output of `perl bn-586.pl elf' by
* Jason R. Thorpe <thorpej@zembu.com>.
*/
#include <machine/asm.h>
ENTRY(bn_mul_add_words)
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
xorl %esi, %esi
movl 20(%esp), %edi
movl 28(%esp), %ecx
movl 24(%esp), %ebx
andl $4294967288, %ecx
movl 32(%esp), %ebp
pushl %ecx
jz L000maw_finish
L001maw_loop:
movl %ecx, (%esp)
/* Round 0 */
movl (%ebx), %eax
mull %ebp
addl %esi, %eax
movl (%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, (%edi)
movl %edx, %esi
/* Round 4 */
movl 4(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 4(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, 4(%edi)
movl %edx, %esi
/* Round 8 */
movl 8(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 8(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, 8(%edi)
movl %edx, %esi
/* Round 12 */
movl 12(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 12(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, 12(%edi)
movl %edx, %esi
/* Round 16 */
movl 16(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 16(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, 16(%edi)
movl %edx, %esi
/* Round 20 */
movl 20(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 20(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, 20(%edi)
movl %edx, %esi
/* Round 24 */
movl 24(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 24(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, 24(%edi)
movl %edx, %esi
/* Round 28 */
movl 28(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 28(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, 28(%edi)
movl %edx, %esi
movl (%esp), %ecx
addl $32, %ebx
addl $32, %edi
subl $8, %ecx
jnz L001maw_loop
L000maw_finish:
movl 32(%esp), %ecx
andl $7, %ecx
jnz L002maw_finish2
jmp L003maw_end
_ALIGN_TEXT
L002maw_finish2:
/* Tail Round 0 */
movl (%ebx), %eax
mull %ebp
addl %esi, %eax
movl (%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
decl %ecx
movl %eax, (%edi)
movl %edx, %esi
jz L003maw_end
/* Tail Round 1 */
movl 4(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 4(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
decl %ecx
movl %eax, 4(%edi)
movl %edx, %esi
jz L003maw_end
/* Tail Round 2 */
movl 8(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 8(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
decl %ecx
movl %eax, 8(%edi)
movl %edx, %esi
jz L003maw_end
/* Tail Round 3 */
movl 12(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 12(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
decl %ecx
movl %eax, 12(%edi)
movl %edx, %esi
jz L003maw_end
/* Tail Round 4 */
movl 16(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 16(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
decl %ecx
movl %eax, 16(%edi)
movl %edx, %esi
jz L003maw_end
/* Tail Round 5 */
movl 20(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 20(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
decl %ecx
movl %eax, 20(%edi)
movl %edx, %esi
jz L003maw_end
/* Tail Round 6 */
movl 24(%ebx), %eax
mull %ebp
addl %esi, %eax
movl 24(%edi), %esi
adcl $0, %edx
addl %esi, %eax
adcl $0, %edx
movl %eax, 24(%edi)
movl %edx, %esi
L003maw_end:
movl %esi, %eax
popl %ecx
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
ENTRY(bn_mul_words)
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
xorl %esi, %esi
movl 20(%esp), %edi
movl 24(%esp), %ebx
movl 28(%esp), %ebp
movl 32(%esp), %ecx
andl $4294967288, %ebp
jz L004mw_finish
L005mw_loop:
/* Round 0 */
movl (%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, (%edi)
movl %edx, %esi
/* Round 4 */
movl 4(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 4(%edi)
movl %edx, %esi
/* Round 8 */
movl 8(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 8(%edi)
movl %edx, %esi
/* Round 12 */
movl 12(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 12(%edi)
movl %edx, %esi
/* Round 16 */
movl 16(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 16(%edi)
movl %edx, %esi
/* Round 20 */
movl 20(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 20(%edi)
movl %edx, %esi
/* Round 24 */
movl 24(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 24(%edi)
movl %edx, %esi
/* Round 28 */
movl 28(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 28(%edi)
movl %edx, %esi
addl $32, %ebx
addl $32, %edi
subl $8, %ebp
jz L004mw_finish
jmp L005mw_loop
L004mw_finish:
movl 28(%esp), %ebp
andl $7, %ebp
jnz L006mw_finish2
jmp L007mw_end
_ALIGN_TEXT
L006mw_finish2:
/* Tail Round 0 */
movl (%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, (%edi)
movl %edx, %esi
decl %ebp
jz L007mw_end
/* Tail Round 1 */
movl 4(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 4(%edi)
movl %edx, %esi
decl %ebp
jz L007mw_end
/* Tail Round 2 */
movl 8(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 8(%edi)
movl %edx, %esi
decl %ebp
jz L007mw_end
/* Tail Round 3 */
movl 12(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 12(%edi)
movl %edx, %esi
decl %ebp
jz L007mw_end
/* Tail Round 4 */
movl 16(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 16(%edi)
movl %edx, %esi
decl %ebp
jz L007mw_end
/* Tail Round 5 */
movl 20(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 20(%edi)
movl %edx, %esi
decl %ebp
jz L007mw_end
/* Tail Round 6 */
movl 24(%ebx), %eax
mull %ecx
addl %esi, %eax
adcl $0, %edx
movl %eax, 24(%edi)
movl %edx, %esi
L007mw_end:
movl %esi, %eax
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
ENTRY(bn_sqr_words)
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
movl 20(%esp), %esi
movl 24(%esp), %edi
movl 28(%esp), %ebx
andl $4294967288, %ebx
jz L008sw_finish
L009sw_loop:
/* Round 0 */
movl (%edi), %eax
mull %eax
movl %eax, (%esi)
movl %edx, 4(%esi)
/* Round 4 */
movl 4(%edi), %eax
mull %eax
movl %eax, 8(%esi)
movl %edx, 12(%esi)
/* Round 8 */
movl 8(%edi), %eax
mull %eax
movl %eax, 16(%esi)
movl %edx, 20(%esi)
/* Round 12 */
movl 12(%edi), %eax
mull %eax
movl %eax, 24(%esi)
movl %edx, 28(%esi)
/* Round 16 */
movl 16(%edi), %eax
mull %eax
movl %eax, 32(%esi)
movl %edx, 36(%esi)
/* Round 20 */
movl 20(%edi), %eax
mull %eax
movl %eax, 40(%esi)
movl %edx, 44(%esi)
/* Round 24 */
movl 24(%edi), %eax
mull %eax
movl %eax, 48(%esi)
movl %edx, 52(%esi)
/* Round 28 */
movl 28(%edi), %eax
mull %eax
movl %eax, 56(%esi)
movl %edx, 60(%esi)
addl $32, %edi
addl $64, %esi
subl $8, %ebx
jnz L009sw_loop
L008sw_finish:
movl 28(%esp), %ebx
andl $7, %ebx
jz L010sw_end
/* Tail Round 0 */
movl (%edi), %eax
mull %eax
movl %eax, (%esi)
decl %ebx
movl %edx, 4(%esi)
jz L010sw_end
/* Tail Round 1 */
movl 4(%edi), %eax
mull %eax
movl %eax, 8(%esi)
decl %ebx
movl %edx, 12(%esi)
jz L010sw_end
/* Tail Round 2 */
movl 8(%edi), %eax
mull %eax
movl %eax, 16(%esi)
decl %ebx
movl %edx, 20(%esi)
jz L010sw_end
/* Tail Round 3 */
movl 12(%edi), %eax
mull %eax
movl %eax, 24(%esi)
decl %ebx
movl %edx, 28(%esi)
jz L010sw_end
/* Tail Round 4 */
movl 16(%edi), %eax
mull %eax
movl %eax, 32(%esi)
decl %ebx
movl %edx, 36(%esi)
jz L010sw_end
/* Tail Round 5 */
movl 20(%edi), %eax
mull %eax
movl %eax, 40(%esi)
decl %ebx
movl %edx, 44(%esi)
jz L010sw_end
/* Tail Round 6 */
movl 24(%edi), %eax
mull %eax
movl %eax, 48(%esi)
movl %edx, 52(%esi)
L010sw_end:
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
ENTRY(bn_div_words)
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
movl 20(%esp), %edx
movl 24(%esp), %eax
movl 28(%esp), %ebx
divl %ebx
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
ENTRY(bn_add_words)
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
movl 20(%esp), %ebx
movl 24(%esp), %esi
movl 28(%esp), %edi
movl 32(%esp), %ebp
xorl %eax, %eax
andl $4294967288, %ebp
jz L011aw_finish
L012aw_loop:
/* Round 0 */
movl (%esi), %ecx
movl (%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, (%ebx)
/* Round 1 */
movl 4(%esi), %ecx
movl 4(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, 4(%ebx)
/* Round 2 */
movl 8(%esi), %ecx
movl 8(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, 8(%ebx)
/* Round 3 */
movl 12(%esi), %ecx
movl 12(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, 12(%ebx)
/* Round 4 */
movl 16(%esi), %ecx
movl 16(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, 16(%ebx)
/* Round 5 */
movl 20(%esi), %ecx
movl 20(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, 20(%ebx)
/* Round 6 */
movl 24(%esi), %ecx
movl 24(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, 24(%ebx)
/* Round 7 */
movl 28(%esi), %ecx
movl 28(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, 28(%ebx)
addl $32, %esi
addl $32, %edi
addl $32, %ebx
subl $8, %ebp
jnz L012aw_loop
L011aw_finish:
movl 32(%esp), %ebp
andl $7, %ebp
jz L013aw_end
/* Tail Round 0 */
movl (%esi), %ecx
movl (%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, (%ebx)
jz L013aw_end
/* Tail Round 1 */
movl 4(%esi), %ecx
movl 4(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 4(%ebx)
jz L013aw_end
/* Tail Round 2 */
movl 8(%esi), %ecx
movl 8(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 8(%ebx)
jz L013aw_end
/* Tail Round 3 */
movl 12(%esi), %ecx
movl 12(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 12(%ebx)
jz L013aw_end
/* Tail Round 4 */
movl 16(%esi), %ecx
movl 16(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 16(%ebx)
jz L013aw_end
/* Tail Round 5 */
movl 20(%esi), %ecx
movl 20(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 20(%ebx)
jz L013aw_end
/* Tail Round 6 */
movl 24(%esi), %ecx
movl 24(%edi), %edx
addl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
addl %edx, %ecx
adcl $0, %eax
movl %ecx, 24(%ebx)
L013aw_end:
popl %edi
popl %esi
popl %ebx
popl %ebp
ret
ENTRY(bn_sub_words)
pushl %ebp
pushl %ebx
pushl %esi
pushl %edi
movl 20(%esp), %ebx
movl 24(%esp), %esi
movl 28(%esp), %edi
movl 32(%esp), %ebp
xorl %eax, %eax
andl $4294967288, %ebp
jz L014aw_finish
L015aw_loop:
/* Round 0 */
movl (%esi), %ecx
movl (%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, (%ebx)
/* Round 1 */
movl 4(%esi), %ecx
movl 4(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, 4(%ebx)
/* Round 2 */
movl 8(%esi), %ecx
movl 8(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, 8(%ebx)
/* Round 3 */
movl 12(%esi), %ecx
movl 12(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, 12(%ebx)
/* Round 4 */
movl 16(%esi), %ecx
movl 16(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, 16(%ebx)
/* Round 5 */
movl 20(%esi), %ecx
movl 20(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, 20(%ebx)
/* Round 6 */
movl 24(%esi), %ecx
movl 24(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, 24(%ebx)
/* Round 7 */
movl 28(%esi), %ecx
movl 28(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, 28(%ebx)
addl $32, %esi
addl $32, %edi
addl $32, %ebx
subl $8, %ebp
jnz L015aw_loop
L014aw_finish:
movl 32(%esp), %ebp
andl $7, %ebp
jz L016aw_end
/* Tail Round 0 */
movl (%esi), %ecx
movl (%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, (%ebx)
jz L016aw_end
/* Tail Round 1 */
movl 4(%esi), %ecx
movl 4(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 4(%ebx)
jz L016aw_end
/* Tail Round 2 */
movl 8(%esi), %ecx
movl 8(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 8(%ebx)
jz L016aw_end
/* Tail Round 3 */
movl 12(%esi), %ecx
movl 12(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 12(%ebx)
jz L016aw_end
/* Tail Round 4 */
movl 16(%esi), %ecx
movl 16(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 16(%ebx)
jz L016aw_end
/* Tail Round 5 */
movl 20(%esi), %ecx
movl 20(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
decl %ebp
movl %ecx, 20(%ebx)
jz L016aw_end
/* Tail Round 6 */
movl 24(%esi), %ecx
movl 24(%edi), %edx
subl %eax, %ecx
movl $0, %eax
adcl %eax, %eax
subl %edx, %ecx
adcl $0, %eax
movl %ecx, 24(%ebx)
L016aw_end:
popl %edi
popl %esi
popl %ebx
popl %ebp
ret

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