genericopenlibs/liboil/src/i386/md5_i386.c
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 16:46:38 +0300
changeset 18 47c74d1534e1
permissions -rw-r--r--
Revision: 201011 Kit: 201015

/*
 * LIBOIL - Library of Optimized Inner Loops
 * Copyright (c) 2004 David A. Schleef <ds@schleef.org>
 * All rights reserved.
 *
 * 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 above 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.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
 */
//Portions Copyright (c)  2008-2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <liboil/liboilfunction.h>
#include <liboil/liboilclasses.h>


#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

#define MD5STEP(f,w,x,y,z,in,s) \
  (w += f(x,y,z) + in, w = (w<<s | w>>(32-s)) + x)


static void
md5_asm1(uint32_t *state, uint32_t *src)
{
#if !defined(__WINSCW__) && !defined(__WINS__)      
  struct {
    void *state;
    void *src;
    void *ebp;
    void *ebx;
  }tmp;

  tmp.state = state;
  tmp.src = src;

  __asm__ __volatile__ (
      "  mov %%ebp, 0x8(%%eax)\n"
      "  mov %%ebx, 0xc(%%eax)\n"
      "  mov %%eax, %%ebp\n"
      "  mov (%%ebp), %%esi\n"
      "  mov (%%esi), %%eax\n"
      "  mov 0x4(%%esi), %%ebx\n"
      "  mov 0x8(%%esi), %%ecx\n"
      "  mov 0xc(%%esi), %%edx\n"
      "  mov 0x4(%%ebp), %%esi\n"

#define STEP1(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  and %%e" #r2 "x, %%edi\n" \
      "  xor %%e" #r4 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  add (" #offset "* 4)(%%esi), %%e" #r1 "x\n" \
      "  add $" #constant ", %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP1 (a, b, c, d, 0, 0xd76aa478, 7)
      STEP1 (d, a, b, c, 1, 0xe8c7b756, 12)
      STEP1 (c, d, a, b, 2, 0x242070db, 17)
      STEP1 (b, c, d, a, 3, 0xc1bdceee, 22)
      STEP1 (a, b, c, d, 4, 0xf57c0faf, 7)
      STEP1 (d, a, b, c, 5, 0x4787c62a, 12)
      STEP1 (c, d, a, b, 6, 0xa8304613, 17)
      STEP1 (b, c, d, a, 7, 0xfd469501, 22)
      STEP1 (a, b, c, d, 8, 0x698098d8, 7)
      STEP1 (d, a, b, c, 9, 0x8b44f7af, 12)
      STEP1 (c, d, a, b, 10, 0xffff5bb1, 17)
      STEP1 (b, c, d, a, 11, 0x895cd7be, 22)
      STEP1 (a, b, c, d, 12, 0x6b901122, 7)
      STEP1 (d, a, b, c, 13, 0xfd987193, 12)
      STEP1 (c, d, a, b, 14, 0xa679438e, 17)
      STEP1 (b, c, d, a, 15, 0x49b40821, 22)
      
#define STEP2(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r3 "x, %%edi\n" \
      "  xor %%e" #r2 "x, %%edi\n" \
      "  and %%e" #r4 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  add (" #offset "*4)(%%esi), %%e" #r1 "x\n" \
      "  add $" #constant ", %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP2(a, b, c, d, 1, 0xf61e2562, 5)
      STEP2(d, a, b, c, 6, 0xc040b340, 9)
      STEP2(c, d, a, b, 11, 0x265e5a51, 14)
      STEP2(b, c, d, a, 0, 0xe9b6c7aa, 20)
      STEP2(a, b, c, d, 5, 0xd62f105d, 5)
      STEP2(d, a, b, c, 10, 0x02441453, 9)
      STEP2(c, d, a, b, 15, 0xd8a1e681, 14)
      STEP2(b, c, d, a, 4, 0xe7d3fbc8, 20)
      STEP2(a, b, c, d, 9, 0x21e1cde6, 5)
      STEP2(d, a, b, c, 14, 0xc33707d6, 9)
      STEP2(c, d, a, b, 3, 0xf4d50d87, 14)
      STEP2(b, c, d, a, 8, 0x455a14ed, 20)
      STEP2(a, b, c, d, 13, 0xa9e3e905, 5)
      STEP2(d, a, b, c, 2, 0xfcefa3f8, 9)
      STEP2(c, d, a, b, 7, 0x676f02d9, 14)
      STEP2(b, c, d, a, 12, 0x8d2a4c8a, 20)

#define STEP3(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  xor %%e" #r2 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  add (" #offset "*4)(%%esi), %%e" #r1 "x\n" \
      "  add $" #constant ", %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP3 (a, b, c, d, 5, 0xfffa3942, 4)
      STEP3 (d, a, b, c, 8, 0x8771f681, 11)
      STEP3 (c, d, a, b, 11, 0x6d9d6122, 16)
      STEP3 (b, c, d, a, 14, 0xfde5380c, 23)
      STEP3 (a, b, c, d, 1, 0xa4beea44, 4)
      STEP3 (d, a, b, c, 4, 0x4bdecfa9, 11)
      STEP3 (c, d, a, b, 7, 0xf6bb4b60, 16)
      STEP3 (b, c, d, a, 10, 0xbebfbc70, 23)
      STEP3 (a, b, c, d, 13, 0x289b7ec6, 4)
      STEP3 (d, a, b, c, 0, 0xeaa127fa, 11)
      STEP3 (c, d, a, b, 3, 0xd4ef3085, 16)
      STEP3 (b, c, d, a, 6, 0x04881d05, 23)
      STEP3 (a, b, c, d, 9, 0xd9d4d039, 4)
      STEP3 (d, a, b, c, 12, 0xe6db99e5, 11)
      STEP3 (c, d, a, b, 15, 0x1fa27cf8, 16)
      STEP3 (b, c, d, a, 2, 0xc4ac5665, 23)

#define STEP4(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "  not %%edi\n" \
      "  or %%e" #r2 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  add (" #offset "*4)(%%esi), %%e" #r1 "x\n" \
      "  add $" #constant ", %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP4 (a, b, c, d, 0, 0xf4292244, 6)
      STEP4 (d, a, b, c, 7, 0x432aff97, 10)
      STEP4 (c, d, a, b, 14, 0xab9423a7, 15)
      STEP4 (b, c, d, a, 5, 0xfc93a039, 21)
      STEP4 (a, b, c, d, 12, 0x655b59c3, 6)
      STEP4 (d, a, b, c, 3, 0x8f0ccc92, 10)
      STEP4 (c, d, a, b, 10, 0xffeff47d, 15)
      STEP4 (b, c, d, a, 1, 0x85845dd1, 21)
      STEP4 (a, b, c, d, 8, 0x6fa87e4f, 6)
      STEP4 (d, a, b, c, 15, 0xfe2ce6e0, 10)
      STEP4 (c, d, a, b, 6, 0xa3014314, 15)
      STEP4 (b, c, d, a, 13, 0x4e0811a1, 21)
      STEP4 (a, b, c, d, 4, 0xf7537e82, 6)
      STEP4 (d, a, b, c, 11, 0xbd3af235, 10)
      STEP4 (c, d, a, b, 2, 0x2ad7d2bb, 15)
      STEP4 (b, c, d, a, 9, 0xeb86d391, 21)

      "  mov (%%ebp), %%edi\n"
      "  add %%eax, 0x0(%%edi)\n"
      "  add %%ebx, 0x4(%%edi)\n"
      "  add %%ecx, 0x8(%%edi)\n"
      "  add %%edx, 0xc(%%edi)\n"
      "  mov 0xc(%%ebp), %%ebx\n"
      "  mov 0x8(%%ebp), %%ebp\n"
      :
      : "a" (&tmp)
      : "esi", "ecx", "edx", "edi", "memory");
#endif
}
#undef STEP1
#undef STEP2
#undef STEP3
#undef STEP4
OIL_DEFINE_IMPL (md5_asm1, md5);

static void
md5_asm2(uint32_t *state, uint32_t *src)
{
#if !defined(__WINSCW__) && !defined(__WINS__)      
  struct {
    void *state;
    void *src;
    void *ebp;
    void *ebx;
  }tmp;

  tmp.state = state;
  tmp.src = src;

  asm (
      "  mov %%ebp, 0x8(%%eax)\n"
      "  mov %%ebx, 0xc(%%eax)\n"
      "  mov %%eax, %%ebp\n"
      "  mov (%%ebp), %%esi\n"
      "  mov (%%esi), %%eax\n"
      "  mov 0x4(%%esi), %%ebx\n"
      "  mov 0x8(%%esi), %%ecx\n"
      "  mov 0xc(%%esi), %%edx\n"
      "  mov 0x4(%%ebp), %%esi\n"

#define STEP1(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  and %%e" #r2 "x, %%edi\n" \
      "  xor %%e" #r4 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  mov (" #offset "* 4)(%%esi), %%edi\n" \
      "  add $" #constant ", %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP1 (a, b, c, d, 0, 0xd76aa478, 7)
      STEP1 (d, a, b, c, 1, 0xe8c7b756, 12)
      STEP1 (c, d, a, b, 2, 0x242070db, 17)
      STEP1 (b, c, d, a, 3, 0xc1bdceee, 22)
      STEP1 (a, b, c, d, 4, 0xf57c0faf, 7)
      STEP1 (d, a, b, c, 5, 0x4787c62a, 12)
      STEP1 (c, d, a, b, 6, 0xa8304613, 17)
      STEP1 (b, c, d, a, 7, 0xfd469501, 22)
      STEP1 (a, b, c, d, 8, 0x698098d8, 7)
      STEP1 (d, a, b, c, 9, 0x8b44f7af, 12)
      STEP1 (c, d, a, b, 10, 0xffff5bb1, 17)
      STEP1 (b, c, d, a, 11, 0x895cd7be, 22)
      STEP1 (a, b, c, d, 12, 0x6b901122, 7)
      STEP1 (d, a, b, c, 13, 0xfd987193, 12)
      STEP1 (c, d, a, b, 14, 0xa679438e, 17)
      STEP1 (b, c, d, a, 15, 0x49b40821, 22)
      
#define STEP2(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r3 "x, %%edi\n" \
      "  xor %%e" #r2 "x, %%edi\n" \
      "  and %%e" #r4 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  mov (" #offset "* 4)(%%esi), %%edi\n" \
      "  add $" #constant ", %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP2(a, b, c, d, 1, 0xf61e2562, 5)
      STEP2(d, a, b, c, 6, 0xc040b340, 9)
      STEP2(c, d, a, b, 11, 0x265e5a51, 14)
      STEP2(b, c, d, a, 0, 0xe9b6c7aa, 20)
      STEP2(a, b, c, d, 5, 0xd62f105d, 5)
      STEP2(d, a, b, c, 10, 0x02441453, 9)
      STEP2(c, d, a, b, 15, 0xd8a1e681, 14)
      STEP2(b, c, d, a, 4, 0xe7d3fbc8, 20)
      STEP2(a, b, c, d, 9, 0x21e1cde6, 5)
      STEP2(d, a, b, c, 14, 0xc33707d6, 9)
      STEP2(c, d, a, b, 3, 0xf4d50d87, 14)
      STEP2(b, c, d, a, 8, 0x455a14ed, 20)
      STEP2(a, b, c, d, 13, 0xa9e3e905, 5)
      STEP2(d, a, b, c, 2, 0xfcefa3f8, 9)
      STEP2(c, d, a, b, 7, 0x676f02d9, 14)
      STEP2(b, c, d, a, 12, 0x8d2a4c8a, 20)

#define STEP3(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  xor %%e" #r2 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  mov (" #offset "* 4)(%%esi), %%edi\n" \
      "  add $" #constant ", %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP3 (a, b, c, d, 5, 0xfffa3942, 4)
      STEP3 (d, a, b, c, 8, 0x8771f681, 11)
      STEP3 (c, d, a, b, 11, 0x6d9d6122, 16)
      STEP3 (b, c, d, a, 14, 0xfde5380c, 23)
      STEP3 (a, b, c, d, 1, 0xa4beea44, 4)
      STEP3 (d, a, b, c, 4, 0x4bdecfa9, 11)
      STEP3 (c, d, a, b, 7, 0xf6bb4b60, 16)
      STEP3 (b, c, d, a, 10, 0xbebfbc70, 23)
      STEP3 (a, b, c, d, 13, 0x289b7ec6, 4)
      STEP3 (d, a, b, c, 0, 0xeaa127fa, 11)
      STEP3 (c, d, a, b, 3, 0xd4ef3085, 16)
      STEP3 (b, c, d, a, 6, 0x04881d05, 23)
      STEP3 (a, b, c, d, 9, 0xd9d4d039, 4)
      STEP3 (d, a, b, c, 12, 0xe6db99e5, 11)
      STEP3 (c, d, a, b, 15, 0x1fa27cf8, 16)
      STEP3 (b, c, d, a, 2, 0xc4ac5665, 23)

#define STEP4(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "  not %%edi\n" \
      "  or %%e" #r2 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  mov (" #offset "* 4)(%%esi), %%edi\n" \
      "  add $" #constant ", %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP4 (a, b, c, d, 0, 0xf4292244, 6)
      STEP4 (d, a, b, c, 7, 0x432aff97, 10)
      STEP4 (c, d, a, b, 14, 0xab9423a7, 15)
      STEP4 (b, c, d, a, 5, 0xfc93a039, 21)
      STEP4 (a, b, c, d, 12, 0x655b59c3, 6)
      STEP4 (d, a, b, c, 3, 0x8f0ccc92, 10)
      STEP4 (c, d, a, b, 10, 0xffeff47d, 15)
      STEP4 (b, c, d, a, 1, 0x85845dd1, 21)
      STEP4 (a, b, c, d, 8, 0x6fa87e4f, 6)
      STEP4 (d, a, b, c, 15, 0xfe2ce6e0, 10)
      STEP4 (c, d, a, b, 6, 0xa3014314, 15)
      STEP4 (b, c, d, a, 13, 0x4e0811a1, 21)
      STEP4 (a, b, c, d, 4, 0xf7537e82, 6)
      STEP4 (d, a, b, c, 11, 0xbd3af235, 10)
      STEP4 (c, d, a, b, 2, 0x2ad7d2bb, 15)
      STEP4 (b, c, d, a, 9, 0xeb86d391, 21)

      "  mov (%%ebp), %%edi\n"
      "  add %%eax, 0x0(%%edi)\n"
      "  add %%ebx, 0x4(%%edi)\n"
      "  add %%ecx, 0x8(%%edi)\n"
      "  add %%edx, 0xc(%%edi)\n"
      "  mov 0xc(%%ebp), %%ebx\n"
      "  mov 0x8(%%ebp), %%ebp\n"
      :
      : "a" (&tmp)
      : "esi", "ecx", "edx", "edi", "memory");
#undef STEP1
#undef STEP2
#undef STEP3
#undef STEP4
#endif  
}
OIL_DEFINE_IMPL_ASM (md5_asm2, md5);



#ifdef ENABLE_BROKEN_IMPLS
/* FIXME this is way too clever.  Using %esp as a general purpose
 * register?  NOT a brilliant idea. */
static void
md5_asm3(uint32_t *state, uint32_t *src)
{
  struct {
    void *state;
    void *src;
    void *ebp;
    void *esp;
    void *ebx;
  }tmp;

  tmp.state = state;
  tmp.src = src;

  asm (
      "  mov %%ebp, 0x8(%%eax)\n"
      "  mov %%esp, 0xc(%%eax)\n"
      "  mov %%ebx, 0x10(%%eax)\n"
      "  mov %%eax, %%ebp\n"
      "  mov (%%ebp), %%esi\n"
      "  mov (%%esi), %%eax\n"
      "  mov 0x4(%%esi), %%ebx\n"
      "  mov 0x8(%%esi), %%ecx\n"
      "  mov 0xc(%%esi), %%edx\n"
      "  mov 0x4(%%ebp), %%esi\n"

#define STEP1(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r2 "x, %%edi\n" \
      "   mov %%e" #r2 "x, %%esp\n" \
      "   not %%esp\n" \
      "  and %%e" #r3 "x, %%edi\n" \
      "   and %%e" #r4 "x, %%esp\n" \
      "  or %%esp, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  mov (" #offset "* 4)(%%esi), %%edi\n" \
      "  add $" #constant ", %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP1 (a, b, c, d, 0, 0xd76aa478, 7)
      STEP1 (d, a, b, c, 1, 0xe8c7b756, 12)
      STEP1 (c, d, a, b, 2, 0x242070db, 17)
      STEP1 (b, c, d, a, 3, 0xc1bdceee, 22)
      STEP1 (a, b, c, d, 4, 0xf57c0faf, 7)
      STEP1 (d, a, b, c, 5, 0x4787c62a, 12)
      STEP1 (c, d, a, b, 6, 0xa8304613, 17)
      STEP1 (b, c, d, a, 7, 0xfd469501, 22)
      STEP1 (a, b, c, d, 8, 0x698098d8, 7)
      STEP1 (d, a, b, c, 9, 0x8b44f7af, 12)
      STEP1 (c, d, a, b, 10, 0xffff5bb1, 17)
      STEP1 (b, c, d, a, 11, 0x895cd7be, 22)
      STEP1 (a, b, c, d, 12, 0x6b901122, 7)
      STEP1 (d, a, b, c, 13, 0xfd987193, 12)
      STEP1 (c, d, a, b, 14, 0xa679438e, 17)
      STEP1 (b, c, d, a, 15, 0x49b40821, 22)
      
#define STEP2(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "   mov %%e" #r4 "x, %%esp\n" \
      "   not %%esp\n" \
      "  and %%e" #r2 "x, %%edi\n" \
      "   and %%e" #r3 "x, %%esp\n" \
      "  or %%esp, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  mov (" #offset "* 4)(%%esi), %%edi\n" \
      "  add $" #constant ", %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP2(a, b, c, d, 1, 0xf61e2562, 5)
      STEP2(d, a, b, c, 6, 0xc040b340, 9)
      STEP2(c, d, a, b, 11, 0x265e5a51, 14)
      STEP2(b, c, d, a, 0, 0xe9b6c7aa, 20)
      STEP2(a, b, c, d, 5, 0xd62f105d, 5)
      STEP2(d, a, b, c, 10, 0x02441453, 9)
      STEP2(c, d, a, b, 15, 0xd8a1e681, 14)
      STEP2(b, c, d, a, 4, 0xe7d3fbc8, 20)
      STEP2(a, b, c, d, 9, 0x21e1cde6, 5)
      STEP2(d, a, b, c, 14, 0xc33707d6, 9)
      STEP2(c, d, a, b, 3, 0xf4d50d87, 14)
      STEP2(b, c, d, a, 8, 0x455a14ed, 20)
      STEP2(a, b, c, d, 13, 0xa9e3e905, 5)
      STEP2(d, a, b, c, 2, 0xfcefa3f8, 9)
      STEP2(c, d, a, b, 7, 0x676f02d9, 14)
      STEP2(b, c, d, a, 12, 0x8d2a4c8a, 20)

#define STEP3(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  xor %%e" #r2 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  mov (" #offset "* 4)(%%esi), %%edi\n" \
      "  add $" #constant ", %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP3 (a, b, c, d, 5, 0xfffa3942, 4)
      STEP3 (d, a, b, c, 8, 0x8771f681, 11)
      STEP3 (c, d, a, b, 11, 0x6d9d6122, 16)
      STEP3 (b, c, d, a, 14, 0xfde5380c, 23)
      STEP3 (a, b, c, d, 1, 0xa4beea44, 4)
      STEP3 (d, a, b, c, 4, 0x4bdecfa9, 11)
      STEP3 (c, d, a, b, 7, 0xf6bb4b60, 16)
      STEP3 (b, c, d, a, 10, 0xbebfbc70, 23)
      STEP3 (a, b, c, d, 13, 0x289b7ec6, 4)
      STEP3 (d, a, b, c, 0, 0xeaa127fa, 11)
      STEP3 (c, d, a, b, 3, 0xd4ef3085, 16)
      STEP3 (b, c, d, a, 6, 0x04881d05, 23)
      STEP3 (a, b, c, d, 9, 0xd9d4d039, 4)
      STEP3 (d, a, b, c, 12, 0xe6db99e5, 11)
      STEP3 (c, d, a, b, 15, 0x1fa27cf8, 16)
      STEP3 (b, c, d, a, 2, 0xc4ac5665, 23)

#define STEP4(r1,r2,r3,r4,offset,constant,rotate) \
      "  mov %%e" #r4 "x, %%edi\n" \
      "  not %%edi\n" \
      "  or %%e" #r2 "x, %%edi\n" \
      "  xor %%e" #r3 "x, %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  mov (" #offset "* 4)(%%esi), %%edi\n" \
      "  add $" #constant ", %%edi\n" \
      "  add %%edi, %%e" #r1 "x\n" \
      "  rol $" #rotate ", %%e" #r1 "x\n" \
      "  add %%e" #r2 "x, %%e" #r1 "x\n"

      STEP4 (a, b, c, d, 0, 0xf4292244, 6)
      STEP4 (d, a, b, c, 7, 0x432aff97, 10)
      STEP4 (c, d, a, b, 14, 0xab9423a7, 15)
      STEP4 (b, c, d, a, 5, 0xfc93a039, 21)
      STEP4 (a, b, c, d, 12, 0x655b59c3, 6)
      STEP4 (d, a, b, c, 3, 0x8f0ccc92, 10)
      STEP4 (c, d, a, b, 10, 0xffeff47d, 15)
      STEP4 (b, c, d, a, 1, 0x85845dd1, 21)
      STEP4 (a, b, c, d, 8, 0x6fa87e4f, 6)
      STEP4 (d, a, b, c, 15, 0xfe2ce6e0, 10)
      STEP4 (c, d, a, b, 6, 0xa3014314, 15)
      STEP4 (b, c, d, a, 13, 0x4e0811a1, 21)
      STEP4 (a, b, c, d, 4, 0xf7537e82, 6)
      STEP4 (d, a, b, c, 11, 0xbd3af235, 10)
      STEP4 (c, d, a, b, 2, 0x2ad7d2bb, 15)
      STEP4 (b, c, d, a, 9, 0xeb86d391, 21)

      "  mov (%%ebp), %%edi\n"
      "  add %%eax, 0x0(%%edi)\n"
      "  add %%ebx, 0x4(%%edi)\n"
      "  add %%ecx, 0x8(%%edi)\n"
      "  add %%edx, 0xc(%%edi)\n"
      "  mov 0x10(%%ebp), %%ebx\n"
      "  mov 0xc(%%ebp), %%esp\n"
      "  mov 0x8(%%ebp), %%ebp\n"
      :
      : "a" (&tmp)
      : "esi", "ecx", "edx", "edi");
#undef STEP1
#undef STEP2
#undef STEP3
#undef STEP4
}


OIL_DEFINE_IMPL_ASM (md5_asm3, md5);
#endif



#ifdef	__SYMBIAN32__
 
OilFunctionImpl* __oil_function_impl_md5_asm1() {
		return &_oil_function_impl_md5_asm1;
}
#endif



#ifdef	__SYMBIAN32__
 
OilFunctionImpl* __oil_function_impl_md5_asm2() {
		return &_oil_function_impl_md5_asm2;
}
#endif

#ifdef	__SYMBIAN32__
 
OilFunctionImpl* __oil_function_impl_md5_asm3() {
		return &_oil_function_impl_md5_asm3;
}
#endif