diff options
Diffstat (limited to 'openssl/crypto/md5/asm/md5-x86_64.pl')
| -rw-r--r-- | openssl/crypto/md5/asm/md5-x86_64.pl | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/openssl/crypto/md5/asm/md5-x86_64.pl b/openssl/crypto/md5/asm/md5-x86_64.pl new file mode 100644 index 000000000..9a6fa6722 --- /dev/null +++ b/openssl/crypto/md5/asm/md5-x86_64.pl @@ -0,0 +1,245 @@ +#!/usr/bin/perl -w +# +# MD5 optimized for AMD64. +# +# Author: Marc Bevand <bevand_m (at) epita.fr> +# 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 .= <<EOF; + xor $y, %r11d /* y ^ ... */ + lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ + and $x, %r11d /* x & ... */ + xor $z, %r11d /* z ^ ... */ + mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ + add %r11d, $dst /* dst += ... */ + rol \$$s, $dst /* dst <<< s */ + mov $y, %r11d /* (NEXT STEP) z' = $y */ + add $x, $dst /* dst += x */ +EOF +} + +# round2_step() does: +# dst = x + ((dst + G(x,y,z) + X[k] + T_i) <<< s) +# %r10d = X[k_next] +# %r11d = y' (copy of y for the next step) +# Each round2_step() takes about 6.22 clocks (9 instructions, 1.45 IPC) +sub round2_step +{ + my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; + $code .= " mov 1*4(%rsi), %r10d /* (NEXT STEP) X[1] */\n" if ($pos == -1); + $code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx */\n" if ($pos == -1); + $code .= <<EOF; + xor $x, %r11d /* x ^ ... */ + lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ + and $z, %r11d /* z & ... */ + xor $y, %r11d /* y ^ ... */ + mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ + add %r11d, $dst /* dst += ... */ + rol \$$s, $dst /* dst <<< s */ + mov $x, %r11d /* (NEXT STEP) y' = $x */ + add $x, $dst /* dst += x */ +EOF +} + +# round3_step() does: +# dst = x + ((dst + H(x,y,z) + X[k] + T_i) <<< s) +# %r10d = X[k_next] +# %r11d = y' (copy of y for the next step) +# Each round3_step() takes about 4.26 clocks (8 instructions, 1.88 IPC) +sub round3_step +{ + my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; + $code .= " mov 5*4(%rsi), %r10d /* (NEXT STEP) X[5] */\n" if ($pos == -1); + $code .= " mov %ecx, %r11d /* (NEXT STEP) y' = %ecx */\n" if ($pos == -1); + $code .= <<EOF; + lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ + mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ + xor $z, %r11d /* z ^ ... */ + xor $x, %r11d /* x ^ ... */ + add %r11d, $dst /* dst += ... */ + rol \$$s, $dst /* dst <<< s */ + mov $x, %r11d /* (NEXT STEP) y' = $x */ + add $x, $dst /* dst += x */ +EOF +} + +# round4_step() does: +# dst = x + ((dst + I(x,y,z) + X[k] + T_i) <<< s) +# %r10d = X[k_next] +# %r11d = not z' (copy of not z for the next step) +# Each round4_step() takes about 5.27 clocks (9 instructions, 1.71 IPC) +sub round4_step +{ + my ($pos, $dst, $x, $y, $z, $k_next, $T_i, $s) = @_; + $code .= " mov 0*4(%rsi), %r10d /* (NEXT STEP) X[0] */\n" if ($pos == -1); + $code .= " mov \$0xffffffff, %r11d\n" if ($pos == -1); + $code .= " xor %edx, %r11d /* (NEXT STEP) not z' = not %edx*/\n" + if ($pos == -1); + $code .= <<EOF; + lea $T_i($dst,%r10d),$dst /* Const + dst + ... */ + or $x, %r11d /* x | ... */ + xor $y, %r11d /* y ^ ... */ + add %r11d, $dst /* dst += ... */ + mov $k_next*4(%rsi),%r10d /* (NEXT STEP) X[$k_next] */ + mov \$0xffffffff, %r11d + rol \$$s, $dst /* dst <<< s */ + xor $y, %r11d /* (NEXT STEP) not z' = not $y */ + add $x, $dst /* dst += x */ +EOF +} + +my $output = shift; +open STDOUT,"| $^X ../perlasm/x86_64-xlate.pl $output"; + +$code .= <<EOF; +.text +.align 16 + +.globl md5_block_asm_data_order +.type md5_block_asm_data_order,\@function,3 +md5_block_asm_data_order: + push %rbp + push %rbx + push %r14 + push %r15 + + # rdi = arg #1 (ctx, MD5_CTX pointer) + # rsi = arg #2 (ptr, data pointer) + # rdx = arg #3 (nbr, number of 16-word blocks to process) + mov %rdi, %rbp # rbp = ctx + shl \$6, %rdx # rdx = nbr in bytes + lea (%rsi,%rdx), %rdi # rdi = end + mov 0*4(%rbp), %eax # eax = ctx->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 .= <<EOF; + # add old values of A, B, C, D + add %r8d, %eax + add %r9d, %ebx + add %r14d, %ecx + add %r15d, %edx + + # loop control + add \$64, %rsi # ptr += 64 + cmp %rdi, %rsi # cmp end with ptr + jb .Lloop # jmp if ptr < end + # END of loop over 16-word blocks + +.Lend: + mov %eax, 0*4(%rbp) # ctx->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_data_order,.-md5_block_asm_data_order +EOF + +print $code; + +close STDOUT; |