1160814Ssimon#!/usr/bin/env perl 2160814Ssimon# 3160814Ssimon# ==================================================================== 4160814Ssimon# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL 5194206Ssimon# project. The module is, however, dual licensed under OpenSSL and 6194206Ssimon# CRYPTOGAMS licenses depending on where you obtain it. For further 7194206Ssimon# details see http://www.openssl.org/~appro/cryptogams/. 8160814Ssimon# ==================================================================== 9160814Ssimon# 10160814Ssimon# Eternal question is what's wrong with compiler generated code? The 11160814Ssimon# trick is that it's possible to reduce the number of shifts required 12160814Ssimon# to perform rotations by maintaining copy of 32-bit value in upper 13160814Ssimon# bits of 64-bit register. Just follow mux2 and shrp instructions... 14160814Ssimon# Performance under big-endian OS such as HP-UX is 179MBps*1GHz, which 15194206Ssimon# is >50% better than HP C and >2x better than gcc. 16160814Ssimon 17160814Ssimon$code=<<___; 18238405Sjkim.ident \"sha1-ia64.s, version 1.3\" 19160814Ssimon.ident \"IA-64 ISA artwork by Andy Polyakov <appro\@fy.chalmers.se>\" 20160814Ssimon.explicit 21160814Ssimon 22160814Ssimon___ 23160814Ssimon 24160814Ssimon 25160814Ssimonif ($^O eq "hpux") { 26160814Ssimon $ADDP="addp4"; 27160814Ssimon for (@ARGV) { $ADDP="add" if (/[\+DD|\-mlp]64/); } 28160814Ssimon} else { $ADDP="add"; } 29160814Ssimon 30160814Ssimon#$human=1; 31160814Ssimonif ($human) { # useful for visual code auditing... 32238405Sjkim ($A,$B,$C,$D,$E) = ("A","B","C","D","E"); 33160814Ssimon ($h0,$h1,$h2,$h3,$h4) = ("h0","h1","h2","h3","h4"); 34160814Ssimon ($K_00_19, $K_20_39, $K_40_59, $K_60_79) = 35160814Ssimon ( "K_00_19","K_20_39","K_40_59","K_60_79" ); 36160814Ssimon @X= ( "X0", "X1", "X2", "X3", "X4", "X5", "X6", "X7", 37160814Ssimon "X8", "X9","X10","X11","X12","X13","X14","X15" ); 38160814Ssimon} 39160814Ssimonelse { 40238405Sjkim ($A,$B,$C,$D,$E) = ("loc0","loc1","loc2","loc3","loc4"); 41238405Sjkim ($h0,$h1,$h2,$h3,$h4) = ("loc5","loc6","loc7","loc8","loc9"); 42160814Ssimon ($K_00_19, $K_20_39, $K_40_59, $K_60_79) = 43238405Sjkim ( "r14", "r15", "loc10", "loc11" ); 44160814Ssimon @X= ( "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", 45160814Ssimon "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31" ); 46160814Ssimon} 47160814Ssimon 48160814Ssimonsub BODY_00_15 { 49160814Ssimonlocal *code=shift; 50238405Sjkimmy ($i,$a,$b,$c,$d,$e)=@_; 51238405Sjkimmy $j=$i+1; 52238405Sjkimmy $Xn=@X[$j%16]; 53160814Ssimon 54194206Ssimon$code.=<<___ if ($i==0); 55238405Sjkim{ .mmi; ld1 $X[$i]=[inp],2 // MSB 56194206Ssimon ld1 tmp2=[tmp3],2 };; 57194206Ssimon{ .mmi; ld1 tmp0=[inp],2 58194206Ssimon ld1 tmp4=[tmp3],2 // LSB 59238405Sjkim dep $X[$i]=$X[$i],tmp2,8,8 };; 60160814Ssimon___ 61160814Ssimonif ($i<15) { 62160814Ssimon $code.=<<___; 63238405Sjkim{ .mmi; ld1 $Xn=[inp],2 // forward Xload 64238405Sjkim nop.m 0x0 65194206Ssimon dep tmp1=tmp0,tmp4,8,8 };; 66238405Sjkim{ .mmi; ld1 tmp2=[tmp3],2 // forward Xload 67194206Ssimon and tmp4=$c,$b 68238405Sjkim dep $X[$i]=$X[$i],tmp1,16,16} //;; 69238405Sjkim{ .mmi; add $e=$e,$K_00_19 // e+=K_00_19 70238405Sjkim andcm tmp1=$d,$b 71194206Ssimon dep.z tmp5=$a,5,27 };; // a<<5 72238405Sjkim{ .mmi; add $e=$e,$X[$i] // e+=Xload 73238405Sjkim or tmp4=tmp4,tmp1 // F_00_19(b,c,d)=(b&c)|(~b&d) 74160814Ssimon extr.u tmp1=$a,27,5 };; // a>>27 75238405Sjkim{ .mmi; ld1 tmp0=[inp],2 // forward Xload 76238405Sjkim add $e=$e,tmp4 // e+=F_00_19(b,c,d) 77160814Ssimon shrp $b=tmp6,tmp6,2 } // b=ROTATE(b,30) 78238405Sjkim{ .mmi; ld1 tmp4=[tmp3],2 // forward Xload 79194206Ssimon or tmp5=tmp1,tmp5 // ROTATE(a,5) 80160814Ssimon mux2 tmp6=$a,0x44 };; // see b in next iteration 81238405Sjkim{ .mii; add $e=$e,tmp5 // e+=ROTATE(a,5) 82238405Sjkim dep $Xn=$Xn,tmp2,8,8 // forward Xload 83238405Sjkim mux2 $X[$i]=$X[$i],0x44 } //;; 84160814Ssimon 85160814Ssimon___ 86160814Ssimon } 87160814Ssimonelse { 88160814Ssimon $code.=<<___; 89194206Ssimon{ .mii; and tmp3=$c,$b 90194206Ssimon dep tmp1=tmp0,tmp4,8,8;; 91238405Sjkim dep $X[$i]=$X[$i],tmp1,16,16} //;; 92238405Sjkim{ .mmi; add $e=$e,$K_00_19 // e+=K_00_19 93238405Sjkim andcm tmp1=$d,$b 94194206Ssimon dep.z tmp5=$a,5,27 };; // a<<5 95238405Sjkim{ .mmi; add $e=$e,$X[$i] // e+=Xupdate 96238405Sjkim or tmp4=tmp3,tmp1 // F_00_19(b,c,d)=(b&c)|(~b&d) 97160814Ssimon extr.u tmp1=$a,27,5 } // a>>27 98238405Sjkim{ .mmi; xor $Xn=$Xn,$X[($j+2)%16] // forward Xupdate 99238405Sjkim xor tmp3=$X[($j+8)%16],$X[($j+13)%16] // forward Xupdate 100160814Ssimon nop.i 0 };; 101238405Sjkim{ .mmi; add $e=$e,tmp4 // e+=F_00_19(b,c,d) 102238405Sjkim xor $Xn=$Xn,tmp3 // forward Xupdate 103160814Ssimon shrp $b=tmp6,tmp6,2 } // b=ROTATE(b,30) 104160814Ssimon{ .mmi; or tmp1=tmp1,tmp5 // ROTATE(a,5) 105160814Ssimon mux2 tmp6=$a,0x44 };; // see b in next iteration 106238405Sjkim{ .mii; add $e=$e,tmp1 // e+=ROTATE(a,5) 107238405Sjkim shrp $Xn=$Xn,$Xn,31 // ROTATE(x[0]^x[2]^x[8]^x[13],1) 108238405Sjkim mux2 $X[$i]=$X[$i],0x44 };; 109160814Ssimon 110160814Ssimon___ 111160814Ssimon } 112160814Ssimon} 113160814Ssimon 114160814Ssimonsub BODY_16_19 { 115160814Ssimonlocal *code=shift; 116238405Sjkimmy ($i,$a,$b,$c,$d,$e)=@_; 117238405Sjkimmy $j=$i+1; 118238405Sjkimmy $Xn=@X[$j%16]; 119160814Ssimon 120160814Ssimon$code.=<<___; 121238405Sjkim{ .mib; add $e=$e,$K_00_19 // e+=K_00_19 122160814Ssimon dep.z tmp5=$a,5,27 } // a<<5 123238405Sjkim{ .mib; andcm tmp1=$d,$b 124238405Sjkim and tmp0=$c,$b };; 125238405Sjkim{ .mmi; add $e=$e,$X[$i%16] // e+=Xupdate 126238405Sjkim or tmp0=tmp0,tmp1 // F_00_19(b,c,d)=(b&c)|(~b&d) 127160814Ssimon extr.u tmp1=$a,27,5 } // a>>27 128238405Sjkim{ .mmi; xor $Xn=$Xn,$X[($j+2)%16] // forward Xupdate 129238405Sjkim xor tmp3=$X[($j+8)%16],$X[($j+13)%16] // forward Xupdate 130160814Ssimon nop.i 0 };; 131238405Sjkim{ .mmi; add $e=$e,tmp0 // f+=F_00_19(b,c,d) 132238405Sjkim xor $Xn=$Xn,tmp3 // forward Xupdate 133160814Ssimon shrp $b=tmp6,tmp6,2 } // b=ROTATE(b,30) 134160814Ssimon{ .mmi; or tmp1=tmp1,tmp5 // ROTATE(a,5) 135160814Ssimon mux2 tmp6=$a,0x44 };; // see b in next iteration 136238405Sjkim{ .mii; add $e=$e,tmp1 // e+=ROTATE(a,5) 137238405Sjkim shrp $Xn=$Xn,$Xn,31 // ROTATE(x[0]^x[2]^x[8]^x[13],1) 138160814Ssimon nop.i 0 };; 139160814Ssimon 140160814Ssimon___ 141160814Ssimon} 142160814Ssimon 143160814Ssimonsub BODY_20_39 { 144160814Ssimonlocal *code=shift; 145238405Sjkimmy ($i,$a,$b,$c,$d,$e,$Konst)=@_; 146160814Ssimon $Konst = $K_20_39 if (!defined($Konst)); 147238405Sjkimmy $j=$i+1; 148238405Sjkimmy $Xn=@X[$j%16]; 149160814Ssimon 150160814Ssimonif ($i<79) { 151160814Ssimon$code.=<<___; 152238405Sjkim{ .mib; add $e=$e,$Konst // e+=K_XX_XX 153160814Ssimon dep.z tmp5=$a,5,27 } // a<<5 154160814Ssimon{ .mib; xor tmp0=$c,$b 155238405Sjkim xor $Xn=$Xn,$X[($j+2)%16] };; // forward Xupdate 156238405Sjkim{ .mib; add $e=$e,$X[$i%16] // e+=Xupdate 157160814Ssimon extr.u tmp1=$a,27,5 } // a>>27 158238405Sjkim{ .mib; xor tmp0=tmp0,$d // F_20_39(b,c,d)=b^c^d 159238405Sjkim xor $Xn=$Xn,$X[($j+8)%16] };; // forward Xupdate 160238405Sjkim{ .mmi; add $e=$e,tmp0 // e+=F_20_39(b,c,d) 161238405Sjkim xor $Xn=$Xn,$X[($j+13)%16] // forward Xupdate 162160814Ssimon shrp $b=tmp6,tmp6,2 } // b=ROTATE(b,30) 163160814Ssimon{ .mmi; or tmp1=tmp1,tmp5 // ROTATE(a,5) 164160814Ssimon mux2 tmp6=$a,0x44 };; // see b in next iteration 165238405Sjkim{ .mii; add $e=$e,tmp1 // e+=ROTATE(a,5) 166238405Sjkim shrp $Xn=$Xn,$Xn,31 // ROTATE(x[0]^x[2]^x[8]^x[13],1) 167160814Ssimon nop.i 0 };; 168160814Ssimon 169160814Ssimon___ 170160814Ssimon} 171160814Ssimonelse { 172160814Ssimon$code.=<<___; 173238405Sjkim{ .mib; add $e=$e,$Konst // e+=K_60_79 174160814Ssimon dep.z tmp5=$a,5,27 } // a<<5 175160814Ssimon{ .mib; xor tmp0=$c,$b 176238405Sjkim add $h1=$h1,$a };; // wrap up 177238405Sjkim{ .mib; add $e=$e,$X[$i%16] // e+=Xupdate 178238405Sjkim extr.u tmp1=$a,27,5 } // a>>27 179160814Ssimon{ .mib; xor tmp0=tmp0,$d // F_20_39(b,c,d)=b^c^d 180160814Ssimon add $h3=$h3,$c };; // wrap up 181238405Sjkim{ .mmi; add $e=$e,tmp0 // e+=F_20_39(b,c,d) 182238405Sjkim or tmp1=tmp1,tmp5 // ROTATE(a,5) 183238405Sjkim shrp $b=tmp6,tmp6,2 };; // b=ROTATE(b,30) ;;? 184238405Sjkim{ .mmi; add $e=$e,tmp1 // e+=ROTATE(a,5) 185238405Sjkim add tmp3=1,inp // used in unaligned codepath 186160814Ssimon add $h4=$h4,$d };; // wrap up 187160814Ssimon 188160814Ssimon___ 189160814Ssimon} 190160814Ssimon} 191160814Ssimon 192160814Ssimonsub BODY_40_59 { 193160814Ssimonlocal *code=shift; 194238405Sjkimmy ($i,$a,$b,$c,$d,$e)=@_; 195238405Sjkimmy $j=$i+1; 196238405Sjkimmy $Xn=@X[$j%16]; 197160814Ssimon 198160814Ssimon$code.=<<___; 199238405Sjkim{ .mib; add $e=$e,$K_40_59 // e+=K_40_59 200160814Ssimon dep.z tmp5=$a,5,27 } // a<<5 201238405Sjkim{ .mib; and tmp1=$c,$d 202238405Sjkim xor tmp0=$c,$d };; 203238405Sjkim{ .mmi; add $e=$e,$X[$i%16] // e+=Xupdate 204238405Sjkim add tmp5=tmp5,tmp1 // a<<5+(c&d) 205160814Ssimon extr.u tmp1=$a,27,5 } // a>>27 206238405Sjkim{ .mmi; and tmp0=tmp0,$b 207238405Sjkim xor $Xn=$Xn,$X[($j+2)%16] // forward Xupdate 208238405Sjkim xor tmp3=$X[($j+8)%16],$X[($j+13)%16] };; // forward Xupdate 209238405Sjkim{ .mmi; add $e=$e,tmp0 // e+=b&(c^d) 210238405Sjkim add tmp5=tmp5,tmp1 // ROTATE(a,5)+(c&d) 211160814Ssimon shrp $b=tmp6,tmp6,2 } // b=ROTATE(b,30) 212238405Sjkim{ .mmi; xor $Xn=$Xn,tmp3 213160814Ssimon mux2 tmp6=$a,0x44 };; // see b in next iteration 214238405Sjkim{ .mii; add $e=$e,tmp5 // e+=ROTATE(a,5)+(c&d) 215238405Sjkim shrp $Xn=$Xn,$Xn,31 // ROTATE(x[0]^x[2]^x[8]^x[13],1) 216238405Sjkim nop.i 0x0 };; 217160814Ssimon 218160814Ssimon___ 219160814Ssimon} 220160814Ssimonsub BODY_60_79 { &BODY_20_39(@_,$K_60_79); } 221160814Ssimon 222160814Ssimon$code.=<<___; 223160814Ssimon.text 224160814Ssimon 225160814Ssimontmp0=r8; 226160814Ssimontmp1=r9; 227160814Ssimontmp2=r10; 228160814Ssimontmp3=r11; 229160814Ssimonctx=r32; // in0 230160814Ssimoninp=r33; // in1 231160814Ssimon 232194206Ssimon// void sha1_block_data_order(SHA_CTX *c,const void *p,size_t num); 233194206Ssimon.global sha1_block_data_order# 234194206Ssimon.proc sha1_block_data_order# 235160814Ssimon.align 32 236194206Ssimonsha1_block_data_order: 237160814Ssimon .prologue 238238405Sjkim{ .mmi; alloc tmp1=ar.pfs,3,14,0,0 239160814Ssimon $ADDP tmp0=4,ctx 240160814Ssimon .save ar.lc,r3 241160814Ssimon mov r3=ar.lc } 242160814Ssimon{ .mmi; $ADDP ctx=0,ctx 243160814Ssimon $ADDP inp=0,inp 244160814Ssimon mov r2=pr };; 245160814Ssimontmp4=in2; 246238405Sjkimtmp5=loc12; 247238405Sjkimtmp6=loc13; 248160814Ssimon .body 249160814Ssimon{ .mlx; ld4 $h0=[ctx],8 250160814Ssimon movl $K_00_19=0x5a827999 } 251160814Ssimon{ .mlx; ld4 $h1=[tmp0],8 252160814Ssimon movl $K_20_39=0x6ed9eba1 };; 253160814Ssimon{ .mlx; ld4 $h2=[ctx],8 254160814Ssimon movl $K_40_59=0x8f1bbcdc } 255160814Ssimon{ .mlx; ld4 $h3=[tmp0] 256160814Ssimon movl $K_60_79=0xca62c1d6 };; 257160814Ssimon{ .mmi; ld4 $h4=[ctx],-16 258160814Ssimon add in2=-1,in2 // adjust num for ar.lc 259160814Ssimon mov ar.ec=1 };; 260160814Ssimon{ .mmi; nop.m 0 261160814Ssimon add tmp3=1,inp 262160814Ssimon mov ar.lc=in2 };; // brp.loop.imp: too far 263160814Ssimon 264160814Ssimon.Ldtop: 265160814Ssimon{ .mmi; mov $A=$h0 266160814Ssimon mov $B=$h1 267160814Ssimon mux2 tmp6=$h1,0x44 } 268160814Ssimon{ .mmi; mov $C=$h2 269160814Ssimon mov $D=$h3 270160814Ssimon mov $E=$h4 };; 271160814Ssimon 272160814Ssimon___ 273160814Ssimon 274246772Sjkim{ my $i; 275246772Sjkim my @V=($A,$B,$C,$D,$E); 276160814Ssimon 277194206Ssimon for($i=0;$i<16;$i++) { &BODY_00_15(\$code,$i,@V); unshift(@V,pop(@V)); } 278194206Ssimon for(;$i<20;$i++) { &BODY_16_19(\$code,$i,@V); unshift(@V,pop(@V)); } 279194206Ssimon for(;$i<40;$i++) { &BODY_20_39(\$code,$i,@V); unshift(@V,pop(@V)); } 280194206Ssimon for(;$i<60;$i++) { &BODY_40_59(\$code,$i,@V); unshift(@V,pop(@V)); } 281194206Ssimon for(;$i<80;$i++) { &BODY_60_79(\$code,$i,@V); unshift(@V,pop(@V)); } 282160814Ssimon 283238405Sjkim (($V[0] eq $A) and ($V[4] eq $E)) or die; # double-check 284194206Ssimon} 285160814Ssimon 286160814Ssimon$code.=<<___; 287238405Sjkim{ .mmb; add $h0=$h0,$A 288238405Sjkim add $h2=$h2,$C 289160814Ssimon br.ctop.dptk.many .Ldtop };; 290160814Ssimon.Ldend: 291160814Ssimon{ .mmi; add tmp0=4,ctx 292160814Ssimon mov ar.lc=r3 };; 293160814Ssimon{ .mmi; st4 [ctx]=$h0,8 294160814Ssimon st4 [tmp0]=$h1,8 };; 295160814Ssimon{ .mmi; st4 [ctx]=$h2,8 296160814Ssimon st4 [tmp0]=$h3 };; 297160814Ssimon{ .mib; st4 [ctx]=$h4,-16 298160814Ssimon mov pr=r2,0x1ffff 299160814Ssimon br.ret.sptk.many b0 };; 300194206Ssimon.endp sha1_block_data_order# 301194206Ssimonstringz "SHA1 block transform for IA64, CRYPTOGAMS by <appro\@openssl.org>" 302160814Ssimon___ 303160814Ssimon 304194206Ssimon$output=shift and open STDOUT,">$output"; 305160814Ssimonprint $code; 306