#!/usr/bin/perl -w # # MD5 optimized for AMD64. # # Author: Marc Bevand # Licence: I hereby disclaim the copyright on this code and place it # in the public domain. # use strict; my $code; # round1_step() does: # dst = x + ((dst + F(x,y,z) + X[k] + T_i) <<< s) # %r10d = X[k_next] # %r11d = z' (copy of z for the next step) # Each round1_step() takes about 5.71 clocks (9 instructions, 1.58 IPC) sub round1_step { my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; $code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n" if ($pos == -1); $code .= " mov %edx, %r11d /* (NEXT STEP) z' = %edx */\n" if ($pos == -1); $code .= <A mov 1*4(%rbp), %ebx # ebx = ctx->B mov 2*4(%rbp), %ecx # ecx = ctx->C mov 3*4(%rbp), %edx # edx = ctx->D # end is 'rdi' # ptr is 'rsi' # A is 'eax' # B is 'ebx' # C is 'ecx' # D is 'edx' cmp %rdi, %rsi # cmp end with ptr je .Lend # jmp if ptr == end # BEGIN of loop over 16-word blocks .Lloop: # save old values of A, B, C, D mov %eax, %r8d mov %ebx, %r9d mov %ecx, %r14d mov %edx, %r15d EOF round1_step(-1,'%eax','%ebx','%ecx','%edx', '1','0xd76aa478', '7'); round1_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xe8c7b756','12'); round1_step( 0,'%ecx','%edx','%eax','%ebx', '3','0x242070db','17'); round1_step( 0,'%ebx','%ecx','%edx','%eax', '4','0xc1bdceee','22'); round1_step( 0,'%eax','%ebx','%ecx','%edx', '5','0xf57c0faf', '7'); round1_step( 0,'%edx','%eax','%ebx','%ecx', '6','0x4787c62a','12'); round1_step( 0,'%ecx','%edx','%eax','%ebx', '7','0xa8304613','17'); round1_step( 0,'%ebx','%ecx','%edx','%eax', '8','0xfd469501','22'); round1_step( 0,'%eax','%ebx','%ecx','%edx', '9','0x698098d8', '7'); round1_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8b44f7af','12'); round1_step( 0,'%ecx','%edx','%eax','%ebx','11','0xffff5bb1','17'); round1_step( 0,'%ebx','%ecx','%edx','%eax','12','0x895cd7be','22'); round1_step( 0,'%eax','%ebx','%ecx','%edx','13','0x6b901122', '7'); round1_step( 0,'%edx','%eax','%ebx','%ecx','14','0xfd987193','12'); round1_step( 0,'%ecx','%edx','%eax','%ebx','15','0xa679438e','17'); round1_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x49b40821','22'); round2_step(-1,'%eax','%ebx','%ecx','%edx', '6','0xf61e2562', '5'); round2_step( 0,'%edx','%eax','%ebx','%ecx','11','0xc040b340', '9'); round2_step( 0,'%ecx','%edx','%eax','%ebx', '0','0x265e5a51','14'); round2_step( 0,'%ebx','%ecx','%edx','%eax', '5','0xe9b6c7aa','20'); round2_step( 0,'%eax','%ebx','%ecx','%edx','10','0xd62f105d', '5'); round2_step( 0,'%edx','%eax','%ebx','%ecx','15', '0x2441453', '9'); round2_step( 0,'%ecx','%edx','%eax','%ebx', '4','0xd8a1e681','14'); round2_step( 0,'%ebx','%ecx','%edx','%eax', '9','0xe7d3fbc8','20'); round2_step( 0,'%eax','%ebx','%ecx','%edx','14','0x21e1cde6', '5'); round2_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xc33707d6', '9'); round2_step( 0,'%ecx','%edx','%eax','%ebx', '8','0xf4d50d87','14'); round2_step( 0,'%ebx','%ecx','%edx','%eax','13','0x455a14ed','20'); round2_step( 0,'%eax','%ebx','%ecx','%edx', '2','0xa9e3e905', '5'); round2_step( 0,'%edx','%eax','%ebx','%ecx', '7','0xfcefa3f8', '9'); round2_step( 0,'%ecx','%edx','%eax','%ebx','12','0x676f02d9','14'); round2_step( 1,'%ebx','%ecx','%edx','%eax', '0','0x8d2a4c8a','20'); round3_step(-1,'%eax','%ebx','%ecx','%edx', '8','0xfffa3942', '4'); round3_step( 0,'%edx','%eax','%ebx','%ecx','11','0x8771f681','11'); round3_step( 0,'%ecx','%edx','%eax','%ebx','14','0x6d9d6122','16'); round3_step( 0,'%ebx','%ecx','%edx','%eax', '1','0xfde5380c','23'); round3_step( 0,'%eax','%ebx','%ecx','%edx', '4','0xa4beea44', '4'); round3_step( 0,'%edx','%eax','%ebx','%ecx', '7','0x4bdecfa9','11'); round3_step( 0,'%ecx','%edx','%eax','%ebx','10','0xf6bb4b60','16'); round3_step( 0,'%ebx','%ecx','%edx','%eax','13','0xbebfbc70','23'); round3_step( 0,'%eax','%ebx','%ecx','%edx', '0','0x289b7ec6', '4'); round3_step( 0,'%edx','%eax','%ebx','%ecx', '3','0xeaa127fa','11'); round3_step( 0,'%ecx','%edx','%eax','%ebx', '6','0xd4ef3085','16'); round3_step( 0,'%ebx','%ecx','%edx','%eax', '9', '0x4881d05','23'); round3_step( 0,'%eax','%ebx','%ecx','%edx','12','0xd9d4d039', '4'); round3_step( 0,'%edx','%eax','%ebx','%ecx','15','0xe6db99e5','11'); round3_step( 0,'%ecx','%edx','%eax','%ebx', '2','0x1fa27cf8','16'); round3_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xc4ac5665','23'); round4_step(-1,'%eax','%ebx','%ecx','%edx', '7','0xf4292244', '6'); round4_step( 0,'%edx','%eax','%ebx','%ecx','14','0x432aff97','10'); round4_step( 0,'%ecx','%edx','%eax','%ebx', '5','0xab9423a7','15'); round4_step( 0,'%ebx','%ecx','%edx','%eax','12','0xfc93a039','21'); round4_step( 0,'%eax','%ebx','%ecx','%edx', '3','0x655b59c3', '6'); round4_step( 0,'%edx','%eax','%ebx','%ecx','10','0x8f0ccc92','10'); round4_step( 0,'%ecx','%edx','%eax','%ebx', '1','0xffeff47d','15'); round4_step( 0,'%ebx','%ecx','%edx','%eax', '8','0x85845dd1','21'); round4_step( 0,'%eax','%ebx','%ecx','%edx','15','0x6fa87e4f', '6'); round4_step( 0,'%edx','%eax','%ebx','%ecx', '6','0xfe2ce6e0','10'); round4_step( 0,'%ecx','%edx','%eax','%ebx','13','0xa3014314','15'); round4_step( 0,'%ebx','%ecx','%edx','%eax', '4','0x4e0811a1','21'); round4_step( 0,'%eax','%ebx','%ecx','%edx','11','0xf7537e82', '6'); round4_step( 0,'%edx','%eax','%ebx','%ecx', '2','0xbd3af235','10'); round4_step( 0,'%ecx','%edx','%eax','%ebx', '9','0x2ad7d2bb','15'); round4_step( 1,'%ebx','%ecx','%edx','%eax', '0','0xeb86d391','21'); $code .= <A = A mov %ebx, 1*4(%rbp) # ctx->B = B mov %ecx, 2*4(%rbp) # ctx->C = C mov %edx, 3*4(%rbp) # ctx->D = D pop %r15 pop %r14 pop %rbx pop %rbp ret .size md5_block_asm_host_order,.-md5_block_asm_host_order EOF print $code; close STDOUT;