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//
// md5-amd64.S
//
// Written by Jari Ruusu, October 1 2003
//
// Copyright 2003 by Jari Ruusu.
// Redistribution of this file is permitted under the GNU Public License.
//
// Modified by Jari Ruusu, June 12 2004
// - Converted 32 bit x86 code to 64 bit AMD64 code
// A MD5 transform implementation for AMD64 compatible processors.
// This code does not preserve the rax, rcx, rdx, rsi, rdi or r8-r11
// registers or the artihmetic status flags. However, the rbx, rbp and
// r12-r15 registers are preserved across calls.
// void md5_transform_CPUbyteorder(u_int32_t *hash, u_int32_t *in)
#if defined(USE_UNDERLINE)
# define md5_transform_CPUbyteorder _md5_transform_CPUbyteorder
#endif
#if !defined(ALIGN64BYTES)
# define ALIGN64BYTES 64
#endif
.file "md5-amd64.S"
.globl md5_transform_CPUbyteorder
// rdi = pointer to hash[4] array which is read and written
// rsi = pointer to in[16] array which is read only
.text
.align ALIGN64BYTES
md5_transform_CPUbyteorder:
movl 12(%rdi),%eax
movl 8(%rdi),%ecx
movl (%rdi),%r8d
movl 4(%rdi),%r9d
movl (%rsi),%r10d
prefetcht0 60(%rsi)
movl %eax,%edx
xorl %ecx,%eax
#define REPEAT1(p1w,p2x,p3z,p4c,p5s,p6Nin,p7Nz,p8Ny) \
addl $p4c,p1w ;\
andl p2x,%eax ;\
addl %r10d,p1w ;\
xorl p3z,%eax ;\
movl p6Nin*4(%rsi),%r10d ;\
addl %eax,p1w ;\
movl p7Nz,%eax ;\
roll $p5s,p1w ;\
xorl p8Ny,%eax ;\
addl p2x,p1w
REPEAT1(%r8d,%r9d,%edx,0xd76aa478, 7, 1,%ecx,%r9d)
REPEAT1(%edx,%r8d,%ecx,0xe8c7b756,12, 2,%r9d,%r8d)
REPEAT1(%ecx,%edx,%r9d,0x242070db,17, 3,%r8d,%edx)
REPEAT1(%r9d,%ecx,%r8d,0xc1bdceee,22, 4,%edx,%ecx)
REPEAT1(%r8d,%r9d,%edx,0xf57c0faf, 7, 5,%ecx,%r9d)
REPEAT1(%edx,%r8d,%ecx,0x4787c62a,12, 6,%r9d,%r8d)
REPEAT1(%ecx,%edx,%r9d,0xa8304613,17, 7,%r8d,%edx)
REPEAT1(%r9d,%ecx,%r8d,0xfd469501,22, 8,%edx,%ecx)
REPEAT1(%r8d,%r9d,%edx,0x698098d8, 7, 9,%ecx,%r9d)
REPEAT1(%edx,%r8d,%ecx,0x8b44f7af,12,10,%r9d,%r8d)
REPEAT1(%ecx,%edx,%r9d,0xffff5bb1,17,11,%r8d,%edx)
REPEAT1(%r9d,%ecx,%r8d,0x895cd7be,22,12,%edx,%ecx)
REPEAT1(%r8d,%r9d,%edx,0x6b901122, 7,13,%ecx,%r9d)
REPEAT1(%edx,%r8d,%ecx,0xfd987193,12,14,%r9d,%r8d)
REPEAT1(%ecx,%edx,%r9d,0xa679438e,17,15,%r8d,%edx)
addl $0x49b40821,%r9d
andl %ecx,%eax
addl %r10d,%r9d
xorl %r8d,%eax
movl 1*4(%rsi),%r10d
addl %eax,%r9d
movl %ecx,%eax
roll $22,%r9d
addl %ecx,%r9d
#define REPEAT2(p1w,p2x,p3y,p4z,p5c,p6s,p7Nin,p8Ny) \
xorl p2x,%eax ;\
addl $p5c,p1w ;\
andl p4z,%eax ;\
addl %r10d,p1w ;\
xorl p3y,%eax ;\
movl p7Nin*4(%rsi),%r10d ;\
addl %eax,p1w ;\
movl p8Ny,%eax ;\
roll $p6s,p1w ;\
addl p2x,p1w
REPEAT2(%r8d,%r9d,%ecx,%edx,0xf61e2562, 5, 6,%r9d)
REPEAT2(%edx,%r8d,%r9d,%ecx,0xc040b340, 9,11,%r8d)
REPEAT2(%ecx,%edx,%r8d,%r9d,0x265e5a51,14, 0,%edx)
REPEAT2(%r9d,%ecx,%edx,%r8d,0xe9b6c7aa,20, 5,%ecx)
REPEAT2(%r8d,%r9d,%ecx,%edx,0xd62f105d, 5,10,%r9d)
REPEAT2(%edx,%r8d,%r9d,%ecx,0x02441453, 9,15,%r8d)
REPEAT2(%ecx,%edx,%r8d,%r9d,0xd8a1e681,14, 4,%edx)
REPEAT2(%r9d,%ecx,%edx,%r8d,0xe7d3fbc8,20, 9,%ecx)
REPEAT2(%r8d,%r9d,%ecx,%edx,0x21e1cde6, 5,14,%r9d)
REPEAT2(%edx,%r8d,%r9d,%ecx,0xc33707d6, 9, 3,%r8d)
REPEAT2(%ecx,%edx,%r8d,%r9d,0xf4d50d87,14, 8,%edx)
REPEAT2(%r9d,%ecx,%edx,%r8d,0x455a14ed,20,13,%ecx)
REPEAT2(%r8d,%r9d,%ecx,%edx,0xa9e3e905, 5, 2,%r9d)
REPEAT2(%edx,%r8d,%r9d,%ecx,0xfcefa3f8, 9, 7,%r8d)
REPEAT2(%ecx,%edx,%r8d,%r9d,0x676f02d9,14,12,%edx)
xorl %ecx,%eax
addl $0x8d2a4c8a,%r9d
andl %r8d,%eax
addl %r10d,%r9d
xorl %edx,%eax
movl 5*4(%rsi),%r10d
addl %eax,%r9d
movl %ecx,%eax
roll $20,%r9d
xorl %edx,%eax
addl %ecx,%r9d
#define REPEAT3(p1w,p2x,p3c,p4s,p5Nin,p6Ny,p7Nz) \
addl $p3c,p1w ;\
xorl p2x,%eax ;\
addl %r10d,p1w ;\
movl p5Nin*4(%rsi),%r10d ;\
addl %eax,p1w ;\
movl p6Ny,%eax ;\
roll $p4s,p1w ;\
xorl p7Nz,%eax ;\
addl p2x,p1w
REPEAT3(%r8d,%r9d,0xfffa3942, 4, 8,%r9d,%ecx)
REPEAT3(%edx,%r8d,0x8771f681,11,11,%r8d,%r9d)
REPEAT3(%ecx,%edx,0x6d9d6122,16,14,%edx,%r8d)
REPEAT3(%r9d,%ecx,0xfde5380c,23, 1,%ecx,%edx)
REPEAT3(%r8d,%r9d,0xa4beea44, 4, 4,%r9d,%ecx)
REPEAT3(%edx,%r8d,0x4bdecfa9,11, 7,%r8d,%r9d)
REPEAT3(%ecx,%edx,0xf6bb4b60,16,10,%edx,%r8d)
REPEAT3(%r9d,%ecx,0xbebfbc70,23,13,%ecx,%edx)
REPEAT3(%r8d,%r9d,0x289b7ec6, 4, 0,%r9d,%ecx)
REPEAT3(%edx,%r8d,0xeaa127fa,11, 3,%r8d,%r9d)
REPEAT3(%ecx,%edx,0xd4ef3085,16, 6,%edx,%r8d)
REPEAT3(%r9d,%ecx,0x04881d05,23, 9,%ecx,%edx)
REPEAT3(%r8d,%r9d,0xd9d4d039, 4,12,%r9d,%ecx)
REPEAT3(%edx,%r8d,0xe6db99e5,11,15,%r8d,%r9d)
REPEAT3(%ecx,%edx,0x1fa27cf8,16, 2,%edx,%r8d)
addl $0xc4ac5665,%r9d
xorl %ecx,%eax
addl %r10d,%r9d
movl (%rsi),%r10d
addl %eax,%r9d
movl %edx,%eax
roll $23,%r9d
notl %eax
addl %ecx,%r9d
#define REPEAT4(p1w,p2x,p3y,p4c,p5s,p6Nin,p7Nz) \
addl $p4c,p1w ;\
orl p2x,%eax ;\
addl %r10d,p1w ;\
xorl p3y,%eax ;\
movl p6Nin*4(%rsi),%r10d ;\
addl %eax,p1w ;\
movl p7Nz,%eax ;\
roll $p5s,p1w ;\
notl %eax ;\
addl p2x,p1w
REPEAT4(%r8d,%r9d,%ecx,0xf4292244, 6, 7,%ecx)
REPEAT4(%edx,%r8d,%r9d,0x432aff97,10,14,%r9d)
REPEAT4(%ecx,%edx,%r8d,0xab9423a7,15, 5,%r8d)
REPEAT4(%r9d,%ecx,%edx,0xfc93a039,21,12,%edx)
REPEAT4(%r8d,%r9d,%ecx,0x655b59c3, 6, 3,%ecx)
REPEAT4(%edx,%r8d,%r9d,0x8f0ccc92,10,10,%r9d)
REPEAT4(%ecx,%edx,%r8d,0xffeff47d,15, 1,%r8d)
REPEAT4(%r9d,%ecx,%edx,0x85845dd1,21, 8,%edx)
REPEAT4(%r8d,%r9d,%ecx,0x6fa87e4f, 6,15,%ecx)
REPEAT4(%edx,%r8d,%r9d,0xfe2ce6e0,10, 6,%r9d)
REPEAT4(%ecx,%edx,%r8d,0xa3014314,15,13,%r8d)
REPEAT4(%r9d,%ecx,%edx,0x4e0811a1,21, 4,%edx)
REPEAT4(%r8d,%r9d,%ecx,0xf7537e82, 6,11,%ecx)
REPEAT4(%edx,%r8d,%r9d,0xbd3af235,10, 2,%r9d)
REPEAT4(%ecx,%edx,%r8d,0x2ad7d2bb,15, 9,%r8d)
addl $0xeb86d391,%r9d
orl %ecx,%eax
addl %r10d,%r9d
xorl %edx,%eax
addl %eax,%r9d
roll $21,%r9d
addl %ecx,%r9d
addl %r8d,(%rdi)
addl %r9d,4(%rdi)
addl %ecx,8(%rdi)
addl %edx,12(%rdi)
ret
#if defined(__ELF__) && defined(SECTION_NOTE_GNU_STACK)
.section .note.GNU-stack,"",@progbits
#endif
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