diff options
Diffstat (limited to 'crypto/sha/asm/sha512-sse2.pl')
| -rw-r--r-- | crypto/sha/asm/sha512-sse2.pl | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/crypto/sha/asm/sha512-sse2.pl b/crypto/sha/asm/sha512-sse2.pl deleted file mode 100644 index 10902bf673d5..000000000000 --- a/crypto/sha/asm/sha512-sse2.pl +++ /dev/null @@ -1,404 +0,0 @@ -#!/usr/bin/env perl -# -# ==================================================================== -# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL -# project. Rights for redistribution and usage in source and binary -# forms are granted according to the OpenSSL license. -# ==================================================================== -# -# SHA512_Transform_SSE2. -# -# As the name suggests, this is an IA-32 SSE2 implementation of -# SHA512_Transform. Motivating factor for the undertaken effort was that -# SHA512 was observed to *consistently* perform *significantly* poorer -# than SHA256 [2x and slower is common] on 32-bit platforms. On 64-bit -# platforms on the other hand SHA512 tend to outperform SHA256 [~50% -# seem to be common improvement factor]. All this is perfectly natural, -# as SHA512 is a 64-bit algorithm. But isn't IA-32 SSE2 essentially -# a 64-bit instruction set? Is it rich enough to implement SHA512? -# If answer was "no," then you wouldn't have been reading this... -# -# Throughput performance in MBps (larger is better): -# -# 2.4GHz P4 1.4GHz AMD32 1.4GHz AMD64(*) -# SHA256/gcc(*) 54 43 59 -# SHA512/gcc 17 23 92 -# SHA512/sse2 61(**) 57(**) -# SHA512/icc 26 28 -# SHA256/icc(*) 65 54 -# -# (*) AMD64 and SHA256 numbers are presented mostly for amusement or -# reference purposes. -# (**) I.e. it gives ~2-3x speed-up if compared with compiler generated -# code. One can argue that hand-coded *non*-SSE2 implementation -# would perform better than compiler generated one as well, and -# that comparison is therefore not exactly fair. Well, as SHA512 -# puts enormous pressure on IA-32 GP register bank, I reckon that -# hand-coded version wouldn't perform significantly better than -# one compiled with icc, ~20% perhaps... So that this code would -# still outperform it with distinguishing marginal. But feel free -# to prove me wrong:-) -# <appro@fy.chalmers.se> -push(@INC,"perlasm","../../perlasm"); -require "x86asm.pl"; - -&asm_init($ARGV[0],"sha512-sse2.pl",$ARGV[$#ARGV] eq "386"); - -$K512="esi"; # K512[80] table, found at the end... -#$W512="esp"; # $W512 is not just W512[16]: it comprises *two* copies - # of W512[16] and a copy of A-H variables... -$W512_SZ=8*(16+16+8); # see above... -#$Kidx="ebx"; # index in K512 table, advances from 0 to 80... -$Widx="edx"; # index in W512, wraps around at 16... -$data="edi"; # 16 qwords of input data... -$A="mm0"; # B-D and -$E="mm1"; # F-H are allocated dynamically... -$Aoff=256+0; # A-H offsets relative to $W512... -$Boff=256+8; -$Coff=256+16; -$Doff=256+24; -$Eoff=256+32; -$Foff=256+40; -$Goff=256+48; -$Hoff=256+56; - -sub SHA2_ROUND() -{ local ($kidx,$widx)=@_; - - # One can argue that one could reorder instructions for better - # performance. Well, I tried and it doesn't seem to make any - # noticeable difference. Modern out-of-order execution cores - # reorder instructions to their liking in either case and they - # apparently do decent job. So we can keep the code more - # readable/regular/comprehensible:-) - - # I adhere to 64-bit %mmX registers in order to avoid/not care - # about #GP exceptions on misaligned 128-bit access, most - # notably in paddq with memory operand. Not to mention that - # SSE2 intructions operating on %mmX can be scheduled every - # cycle [and not every second one if operating on %xmmN]. - - &movq ("mm4",&QWP($Foff,$W512)); # load f - &movq ("mm5",&QWP($Goff,$W512)); # load g - &movq ("mm6",&QWP($Hoff,$W512)); # load h - - &movq ("mm2",$E); # %mm2 is sliding right - &movq ("mm3",$E); # %mm3 is sliding left - &psrlq ("mm2",14); - &psllq ("mm3",23); - &movq ("mm7","mm2"); # %mm7 is T1 - &pxor ("mm7","mm3"); - &psrlq ("mm2",4); - &psllq ("mm3",23); - &pxor ("mm7","mm2"); - &pxor ("mm7","mm3"); - &psrlq ("mm2",23); - &psllq ("mm3",4); - &pxor ("mm7","mm2"); - &pxor ("mm7","mm3"); # T1=Sigma1_512(e) - - &movq (&QWP($Foff,$W512),$E); # f = e - &movq (&QWP($Goff,$W512),"mm4"); # g = f - &movq (&QWP($Hoff,$W512),"mm5"); # h = g - - &pxor ("mm4","mm5"); # f^=g - &pand ("mm4",$E); # f&=e - &pxor ("mm4","mm5"); # f^=g - &paddq ("mm7","mm4"); # T1+=Ch(e,f,g) - - &movq ("mm2",&QWP($Boff,$W512)); # load b - &movq ("mm3",&QWP($Coff,$W512)); # load c - &movq ($E,&QWP($Doff,$W512)); # e = d - - &paddq ("mm7","mm6"); # T1+=h - &paddq ("mm7",&QWP(0,$K512,$kidx,8)); # T1+=K512[i] - &paddq ("mm7",&QWP(0,$W512,$widx,8)); # T1+=W512[i] - &paddq ($E,"mm7"); # e += T1 - - &movq ("mm4",$A); # %mm4 is sliding right - &movq ("mm5",$A); # %mm5 is sliding left - &psrlq ("mm4",28); - &psllq ("mm5",25); - &movq ("mm6","mm4"); # %mm6 is T2 - &pxor ("mm6","mm5"); - &psrlq ("mm4",6); - &psllq ("mm5",5); - &pxor ("mm6","mm4"); - &pxor ("mm6","mm5"); - &psrlq ("mm4",5); - &psllq ("mm5",6); - &pxor ("mm6","mm4"); - &pxor ("mm6","mm5"); # T2=Sigma0_512(a) - - &movq (&QWP($Boff,$W512),$A); # b = a - &movq (&QWP($Coff,$W512),"mm2"); # c = b - &movq (&QWP($Doff,$W512),"mm3"); # d = c - - &movq ("mm4",$A); # %mm4=a - &por ($A,"mm3"); # a=a|c - &pand ("mm4","mm3"); # %mm4=a&c - &pand ($A,"mm2"); # a=(a|c)&b - &por ("mm4",$A); # %mm4=(a&c)|((a|c)&b) - &paddq ("mm6","mm4"); # T2+=Maj(a,b,c) - - &movq ($A,"mm7"); # a=T1 - &paddq ($A,"mm6"); # a+=T2 -} - -$func="sha512_block_sse2"; - -&function_begin_B($func); - if (0) {# Caller is expected to check if it's appropriate to - # call this routine. Below 3 lines are retained for - # debugging purposes... - &picmeup("eax","OPENSSL_ia32cap"); - &bt (&DWP(0,"eax"),26); - &jnc ("SHA512_Transform"); - } - - &push ("ebp"); - &mov ("ebp","esp"); - &push ("ebx"); - &push ("esi"); - &push ("edi"); - - &mov ($Widx,&DWP(8,"ebp")); # A-H state, 1st arg - &mov ($data,&DWP(12,"ebp")); # input data, 2nd arg - &call (&label("pic_point")); # make it PIC! -&set_label("pic_point"); - &blindpop($K512); - &lea ($K512,&DWP(&label("K512")."-".&label("pic_point"),$K512)); - - $W512 = "esp"; # start using %esp as W512 - &sub ($W512,$W512_SZ); - &and ($W512,-16); # ensure 128-bit alignment - - # make private copy of A-H - # v assume the worst and stick to unaligned load - &movdqu ("xmm0",&QWP(0,$Widx)); - &movdqu ("xmm1",&QWP(16,$Widx)); - &movdqu ("xmm2",&QWP(32,$Widx)); - &movdqu ("xmm3",&QWP(48,$Widx)); - -&align(8); -&set_label("_chunk_loop"); - - &movdqa (&QWP($Aoff,$W512),"xmm0"); # a,b - &movdqa (&QWP($Coff,$W512),"xmm1"); # c,d - &movdqa (&QWP($Eoff,$W512),"xmm2"); # e,f - &movdqa (&QWP($Goff,$W512),"xmm3"); # g,h - - &xor ($Widx,$Widx); - - &movdq2q($A,"xmm0"); # load a - &movdq2q($E,"xmm2"); # load e - - # Why aren't loops unrolled? It makes sense to unroll if - # execution time for loop body is comparable with branch - # penalties and/or if whole data-set resides in register bank. - # Neither is case here... Well, it would be possible to - # eliminate few store operations, but it would hardly affect - # so to say stop-watch performance, as there is a lot of - # available memory slots to fill. It will only relieve some - # pressure off memory bus... - - # flip input stream byte order... - &mov ("eax",&DWP(0,$data,$Widx,8)); - &mov ("ebx",&DWP(4,$data,$Widx,8)); - &bswap ("eax"); - &bswap ("ebx"); - &mov (&DWP(0,$W512,$Widx,8),"ebx"); # W512[i] - &mov (&DWP(4,$W512,$Widx,8),"eax"); - &mov (&DWP(128+0,$W512,$Widx,8),"ebx"); # copy of W512[i] - &mov (&DWP(128+4,$W512,$Widx,8),"eax"); - -&align(8); -&set_label("_1st_loop"); # 0-15 - # flip input stream byte order... - &mov ("eax",&DWP(0+8,$data,$Widx,8)); - &mov ("ebx",&DWP(4+8,$data,$Widx,8)); - &bswap ("eax"); - &bswap ("ebx"); - &mov (&DWP(0+8,$W512,$Widx,8),"ebx"); # W512[i] - &mov (&DWP(4+8,$W512,$Widx,8),"eax"); - &mov (&DWP(128+0+8,$W512,$Widx,8),"ebx"); # copy of W512[i] - &mov (&DWP(128+4+8,$W512,$Widx,8),"eax"); -&set_label("_1st_looplet"); - &SHA2_ROUND($Widx,$Widx); &inc($Widx); - -&cmp ($Widx,15) -&jl (&label("_1st_loop")); -&je (&label("_1st_looplet")); # playing similar trick on 2nd loop - # does not improve performance... - - $Kidx = "ebx"; # start using %ebx as Kidx - &mov ($Kidx,$Widx); - -&align(8); -&set_label("_2nd_loop"); # 16-79 - &and($Widx,0xf); - - # 128-bit fragment! I update W512[i] and W512[i+1] in - # parallel:-) Note that I refer to W512[(i&0xf)+N] and not to - # W512[(i+N)&0xf]! This is exactly what I maintain the second - # copy of W512[16] for... - &movdqu ("xmm0",&QWP(8*1,$W512,$Widx,8)); # s0=W512[i+1] - &movdqa ("xmm2","xmm0"); # %xmm2 is sliding right - &movdqa ("xmm3","xmm0"); # %xmm3 is sliding left - &psrlq ("xmm2",1); - &psllq ("xmm3",56); - &movdqa ("xmm0","xmm2"); - &pxor ("xmm0","xmm3"); - &psrlq ("xmm2",6); - &psllq ("xmm3",7); - &pxor ("xmm0","xmm2"); - &pxor ("xmm0","xmm3"); - &psrlq ("xmm2",1); - &pxor ("xmm0","xmm2"); # s0 = sigma0_512(s0); - - &movdqa ("xmm1",&QWP(8*14,$W512,$Widx,8)); # s1=W512[i+14] - &movdqa ("xmm4","xmm1"); # %xmm4 is sliding right - &movdqa ("xmm5","xmm1"); # %xmm5 is sliding left - &psrlq ("xmm4",6); - &psllq ("xmm5",3); - &movdqa ("xmm1","xmm4"); - &pxor ("xmm1","xmm5"); - &psrlq ("xmm4",13); - &psllq ("xmm5",42); - &pxor ("xmm1","xmm4"); - &pxor ("xmm1","xmm5"); - &psrlq ("xmm4",42); - &pxor ("xmm1","xmm4"); # s1 = sigma1_512(s1); - - # + have to explictly load W512[i+9] as it's not 128-bit - # v aligned and paddq would throw an exception... - &movdqu ("xmm6",&QWP(8*9,$W512,$Widx,8)); - &paddq ("xmm0","xmm1"); # s0 += s1 - &paddq ("xmm0","xmm6"); # s0 += W512[i+9] - &paddq ("xmm0",&QWP(0,$W512,$Widx,8)); # s0 += W512[i] - - &movdqa (&QWP(0,$W512,$Widx,8),"xmm0"); # W512[i] = s0 - &movdqa (&QWP(16*8,$W512,$Widx,8),"xmm0"); # copy of W512[i] - - # as the above fragment was 128-bit, we "owe" 2 rounds... - &SHA2_ROUND($Kidx,$Widx); &inc($Kidx); &inc($Widx); - &SHA2_ROUND($Kidx,$Widx); &inc($Kidx); &inc($Widx); - -&cmp ($Kidx,80); -&jl (&label("_2nd_loop")); - - # update A-H state - &mov ($Widx,&DWP(8,"ebp")); # A-H state, 1st arg - &movq (&QWP($Aoff,$W512),$A); # write out a - &movq (&QWP($Eoff,$W512),$E); # write out e - &movdqu ("xmm0",&QWP(0,$Widx)); - &movdqu ("xmm1",&QWP(16,$Widx)); - &movdqu ("xmm2",&QWP(32,$Widx)); - &movdqu ("xmm3",&QWP(48,$Widx)); - &paddq ("xmm0",&QWP($Aoff,$W512)); # 128-bit additions... - &paddq ("xmm1",&QWP($Coff,$W512)); - &paddq ("xmm2",&QWP($Eoff,$W512)); - &paddq ("xmm3",&QWP($Goff,$W512)); - &movdqu (&QWP(0,$Widx),"xmm0"); - &movdqu (&QWP(16,$Widx),"xmm1"); - &movdqu (&QWP(32,$Widx),"xmm2"); - &movdqu (&QWP(48,$Widx),"xmm3"); - -&add ($data,16*8); # advance input data pointer -&dec (&DWP(16,"ebp")); # decrement 3rd arg -&jnz (&label("_chunk_loop")); - - # epilogue - &emms (); # required for at least ELF and Win32 ABIs - &mov ("edi",&DWP(-12,"ebp")); - &mov ("esi",&DWP(-8,"ebp")); - &mov ("ebx",&DWP(-4,"ebp")); - &leave (); -&ret (); - -&align(64); -&set_label("K512"); # Yes! I keep it in the code segment! - &data_word(0xd728ae22,0x428a2f98); # u64 - &data_word(0x23ef65cd,0x71374491); # u64 - &data_word(0xec4d3b2f,0xb5c0fbcf); # u64 - &data_word(0x8189dbbc,0xe9b5dba5); # u64 - &data_word(0xf348b538,0x3956c25b); # u64 - &data_word(0xb605d019,0x59f111f1); # u64 - &data_word(0xaf194f9b,0x923f82a4); # u64 - &data_word(0xda6d8118,0xab1c5ed5); # u64 - &data_word(0xa3030242,0xd807aa98); # u64 - &data_word(0x45706fbe,0x12835b01); # u64 - &data_word(0x4ee4b28c,0x243185be); # u64 - &data_word(0xd5ffb4e2,0x550c7dc3); # u64 - &data_word(0xf27b896f,0x72be5d74); # u64 - &data_word(0x3b1696b1,0x80deb1fe); # u64 - &data_word(0x25c71235,0x9bdc06a7); # u64 - &data_word(0xcf692694,0xc19bf174); # u64 - &data_word(0x9ef14ad2,0xe49b69c1); # u64 - &data_word(0x384f25e3,0xefbe4786); # u64 - &data_word(0x8b8cd5b5,0x0fc19dc6); # u64 - &data_word(0x77ac9c65,0x240ca1cc); # u64 - &data_word(0x592b0275,0x2de92c6f); # u64 - &data_word(0x6ea6e483,0x4a7484aa); # u64 - &data_word(0xbd41fbd4,0x5cb0a9dc); # u64 - &data_word(0x831153b5,0x76f988da); # u64 - &data_word(0xee66dfab,0x983e5152); # u64 - &data_word(0x2db43210,0xa831c66d); # u64 - &data_word(0x98fb213f,0xb00327c8); # u64 - &data_word(0xbeef0ee4,0xbf597fc7); # u64 - &data_word(0x3da88fc2,0xc6e00bf3); # u64 - &data_word(0x930aa725,0xd5a79147); # u64 - &data_word(0xe003826f,0x06ca6351); # u64 - &data_word(0x0a0e6e70,0x14292967); # u64 - &data_word(0x46d22ffc,0x27b70a85); # u64 - &data_word(0x5c26c926,0x2e1b2138); # u64 - &data_word(0x5ac42aed,0x4d2c6dfc); # u64 - &data_word(0x9d95b3df,0x53380d13); # u64 - &data_word(0x8baf63de,0x650a7354); # u64 - &data_word(0x3c77b2a8,0x766a0abb); # u64 - &data_word(0x47edaee6,0x81c2c92e); # u64 - &data_word(0x1482353b,0x92722c85); # u64 - &data_word(0x4cf10364,0xa2bfe8a1); # u64 - &data_word(0xbc423001,0xa81a664b); # u64 - &data_word(0xd0f89791,0xc24b8b70); # u64 - &data_word(0x0654be30,0xc76c51a3); # u64 - &data_word(0xd6ef5218,0xd192e819); # u64 - &data_word(0x5565a910,0xd6990624); # u64 - &data_word(0x5771202a,0xf40e3585); # u64 - &data_word(0x32bbd1b8,0x106aa070); # u64 - &data_word(0xb8d2d0c8,0x19a4c116); # u64 - &data_word(0x5141ab53,0x1e376c08); # u64 - &data_word(0xdf8eeb99,0x2748774c); # u64 - &data_word(0xe19b48a8,0x34b0bcb5); # u64 - &data_word(0xc5c95a63,0x391c0cb3); # u64 - &data_word(0xe3418acb,0x4ed8aa4a); # u64 - &data_word(0x7763e373,0x5b9cca4f); # u64 - &data_word(0xd6b2b8a3,0x682e6ff3); # u64 - &data_word(0x5defb2fc,0x748f82ee); # u64 - &data_word(0x43172f60,0x78a5636f); # u64 - &data_word(0xa1f0ab72,0x84c87814); # u64 - &data_word(0x1a6439ec,0x8cc70208); # u64 - &data_word(0x23631e28,0x90befffa); # u64 - &data_word(0xde82bde9,0xa4506ceb); # u64 - &data_word(0xb2c67915,0xbef9a3f7); # u64 - &data_word(0xe372532b,0xc67178f2); # u64 - &data_word(0xea26619c,0xca273ece); # u64 - &data_word(0x21c0c207,0xd186b8c7); # u64 - &data_word(0xcde0eb1e,0xeada7dd6); # u64 - &data_word(0xee6ed178,0xf57d4f7f); # u64 - &data_word(0x72176fba,0x06f067aa); # u64 - &data_word(0xa2c898a6,0x0a637dc5); # u64 - &data_word(0xbef90dae,0x113f9804); # u64 - &data_word(0x131c471b,0x1b710b35); # u64 - &data_word(0x23047d84,0x28db77f5); # u64 - &data_word(0x40c72493,0x32caab7b); # u64 - &data_word(0x15c9bebc,0x3c9ebe0a); # u64 - &data_word(0x9c100d4c,0x431d67c4); # u64 - &data_word(0xcb3e42b6,0x4cc5d4be); # u64 - &data_word(0xfc657e2a,0x597f299c); # u64 - &data_word(0x3ad6faec,0x5fcb6fab); # u64 - &data_word(0x4a475817,0x6c44198c); # u64 - -&function_end_B($func); - -&asm_finish(); |