1160814Ssimon#!/usr/bin/env perl 2160814Ssimon# 3160814Ssimon# ==================================================================== 4290207Sjkim# Written by Andy Polyakov <appro@openssl.org> 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# SHA256/512_Transform for Itanium. 11160814Ssimon# 12160814Ssimon# sha512_block runs in 1003 cycles on Itanium 2, which is almost 50% 13160814Ssimon# faster than gcc and >60%(!) faster than code generated by HP-UX 14160814Ssimon# compiler (yes, HP-UX is generating slower code, because unlike gcc, 15160814Ssimon# it failed to deploy "shift right pair," 'shrp' instruction, which 16160814Ssimon# substitutes for 64-bit rotate). 17160814Ssimon# 18160814Ssimon# 924 cycles long sha256_block outperforms gcc by over factor of 2(!) 19160814Ssimon# and HP-UX compiler - by >40% (yes, gcc won sha512_block, but lost 20160814Ssimon# this one big time). Note that "formally" 924 is about 100 cycles 21160814Ssimon# too much. I mean it's 64 32-bit rounds vs. 80 virtually identical 22160814Ssimon# 64-bit ones and 1003*64/80 gives 802. Extra cycles, 2 per round, 23160814Ssimon# are spent on extra work to provide for 32-bit rotations. 32-bit 24160814Ssimon# rotations are still handled by 'shrp' instruction and for this 25160814Ssimon# reason lower 32 bits are deposited to upper half of 64-bit register 26160814Ssimon# prior 'shrp' issue. And in order to minimize the amount of such 27160814Ssimon# operations, X[16] values are *maintained* with copies of lower 28160814Ssimon# halves in upper halves, which is why you'll spot such instructions 29160814Ssimon# as custom 'mux2', "parallel 32-bit add," 'padd4' and "parallel 30160814Ssimon# 32-bit unsigned right shift," 'pshr4.u' instructions here. 31160814Ssimon# 32160814Ssimon# Rules of engagement. 33160814Ssimon# 34160814Ssimon# There is only one integer shifter meaning that if I have two rotate, 35160814Ssimon# deposit or extract instructions in adjacent bundles, they shall 36160814Ssimon# split [at run-time if they have to]. But note that variable and 37160814Ssimon# parallel shifts are performed by multi-media ALU and *are* pairable 38160814Ssimon# with rotates [and alike]. On the backside MMALU is rather slow: it 39160814Ssimon# takes 2 extra cycles before the result of integer operation is 40160814Ssimon# available *to* MMALU and 2(*) extra cycles before the result of MM 41160814Ssimon# operation is available "back" *to* integer ALU, not to mention that 42160814Ssimon# MMALU itself has 2 cycles latency. However! I explicitly scheduled 43160814Ssimon# these MM instructions to avoid MM stalls, so that all these extra 44160814Ssimon# latencies get "hidden" in instruction-level parallelism. 45160814Ssimon# 46160814Ssimon# (*) 2 cycles on Itanium 1 and 1 cycle on Itanium 2. But I schedule 47160814Ssimon# for 2 in order to provide for best *overall* performance, 48160814Ssimon# because on Itanium 1 stall on MM result is accompanied by 49160814Ssimon# pipeline flush, which takes 6 cycles:-( 50160814Ssimon# 51290207Sjkim# June 2012 52160814Ssimon# 53290207Sjkim# Improve performance by 15-20%. Note about "rules of engagement" 54290207Sjkim# above. Contemporary cores are equipped with additional shifter, 55290207Sjkim# so that they should perform even better than below, presumably 56290207Sjkim# by ~10%. 57160814Ssimon# 58290207Sjkim###################################################################### 59290207Sjkim# Current performance in cycles per processed byte for Itanium 2 60290207Sjkim# pre-9000 series [little-endian] system: 61160814Ssimon# 62290207Sjkim# SHA1(*) 5.7 63290207Sjkim# SHA256 12.6 64290207Sjkim# SHA512 6.7 65290207Sjkim# 66290207Sjkim# (*) SHA1 result is presented purely for reference purposes. 67290207Sjkim# 68160814Ssimon# To generate code, pass the file name with either 256 or 512 in its 69160814Ssimon# name and compiler flags. 70160814Ssimon 71160814Ssimon$output=shift; 72160814Ssimon 73160814Ssimonif ($output =~ /512.*\.[s|asm]/) { 74160814Ssimon $SZ=8; 75160814Ssimon $BITS=8*$SZ; 76160814Ssimon $LDW="ld8"; 77160814Ssimon $STW="st8"; 78160814Ssimon $ADD="add"; 79160814Ssimon $SHRU="shr.u"; 80160814Ssimon $TABLE="K512"; 81194206Ssimon $func="sha512_block_data_order"; 82160814Ssimon @Sigma0=(28,34,39); 83160814Ssimon @Sigma1=(14,18,41); 84160814Ssimon @sigma0=(1, 8, 7); 85160814Ssimon @sigma1=(19,61, 6); 86160814Ssimon $rounds=80; 87160814Ssimon} elsif ($output =~ /256.*\.[s|asm]/) { 88160814Ssimon $SZ=4; 89160814Ssimon $BITS=8*$SZ; 90160814Ssimon $LDW="ld4"; 91160814Ssimon $STW="st4"; 92160814Ssimon $ADD="padd4"; 93160814Ssimon $SHRU="pshr4.u"; 94160814Ssimon $TABLE="K256"; 95194206Ssimon $func="sha256_block_data_order"; 96160814Ssimon @Sigma0=( 2,13,22); 97160814Ssimon @Sigma1=( 6,11,25); 98160814Ssimon @sigma0=( 7,18, 3); 99160814Ssimon @sigma1=(17,19,10); 100160814Ssimon $rounds=64; 101160814Ssimon} else { die "nonsense $output"; } 102160814Ssimon 103160814Ssimonopen STDOUT,">$output" || die "can't open $output: $!"; 104160814Ssimon 105160814Ssimonif ($^O eq "hpux") { 106160814Ssimon $ADDP="addp4"; 107160814Ssimon for (@ARGV) { $ADDP="add" if (/[\+DD|\-mlp]64/); } 108160814Ssimon} else { $ADDP="add"; } 109160814Ssimonfor (@ARGV) { $big_endian=1 if (/\-DB_ENDIAN/); 110160814Ssimon $big_endian=0 if (/\-DL_ENDIAN/); } 111160814Ssimonif (!defined($big_endian)) 112160814Ssimon { $big_endian=(unpack('L',pack('N',1))==1); } 113160814Ssimon 114160814Ssimon$code=<<___; 115290207Sjkim.ident \"$output, version 2.0\" 116290207Sjkim.ident \"IA-64 ISA artwork by Andy Polyakov <appro\@openssl.org>\" 117160814Ssimon.explicit 118160814Ssimon.text 119160814Ssimon 120194206Ssimonpfssave=r2; 121194206Ssimonlcsave=r3; 122160814Ssimonprsave=r14; 123160814SsimonK=r15; 124290207SjkimA_=r16; B_=r17; C_=r18; D_=r19; 125290207SjkimE_=r20; F_=r21; G_=r22; H_=r23; 126160814SsimonT1=r24; T2=r25; 127160814Ssimons0=r26; s1=r27; t0=r28; t1=r29; 128160814SsimonKtbl=r30; 129160814Ssimonctx=r31; // 1st arg 130290207Sjkiminput=r56; // 2nd arg 131290207Sjkimnum=r57; // 3rd arg 132290207Sjkimsgm0=r58; sgm1=r59; // small constants 133160814Ssimon 134160814Ssimon// void $func (SHA_CTX *ctx, const void *in,size_t num[,int host]) 135160814Ssimon.global $func# 136160814Ssimon.proc $func# 137160814Ssimon.align 32 138290207Sjkim.skip 16 139160814Ssimon$func: 140160814Ssimon .prologue 141194206Ssimon .save ar.pfs,pfssave 142290207Sjkim{ .mmi; alloc pfssave=ar.pfs,3,25,0,24 143160814Ssimon $ADDP ctx=0,r32 // 1st arg 144194206Ssimon .save ar.lc,lcsave 145194206Ssimon mov lcsave=ar.lc } 146160814Ssimon{ .mmi; $ADDP input=0,r33 // 2nd arg 147194206Ssimon mov num=r34 // 3rd arg 148194206Ssimon .save pr,prsave 149160814Ssimon mov prsave=pr };; 150160814Ssimon 151160814Ssimon .body 152160814Ssimon{ .mib; add r8=0*$SZ,ctx 153290207Sjkim add r9=1*$SZ,ctx } 154160814Ssimon{ .mib; add r10=2*$SZ,ctx 155290207Sjkim add r11=3*$SZ,ctx };; 156194206Ssimon 157160814Ssimon// load A-H 158194206Ssimon.Lpic_point: 159194206Ssimon{ .mmi; $LDW A_=[r8],4*$SZ 160194206Ssimon $LDW B_=[r9],4*$SZ 161194206Ssimon mov Ktbl=ip } 162194206Ssimon{ .mmi; $LDW C_=[r10],4*$SZ 163194206Ssimon $LDW D_=[r11],4*$SZ 164194206Ssimon mov sgm0=$sigma0[2] };; 165194206Ssimon{ .mmi; $LDW E_=[r8] 166194206Ssimon $LDW F_=[r9] 167194206Ssimon add Ktbl=($TABLE#-.Lpic_point),Ktbl } 168194206Ssimon{ .mmi; $LDW G_=[r10] 169194206Ssimon $LDW H_=[r11] 170290207Sjkim cmp.ne p0,p16=0,r0 };; 171194206Ssimon___ 172194206Ssimon$code.=<<___ if ($BITS==64); 173194206Ssimon{ .mii; and r8=7,input 174194206Ssimon and input=~7,input;; 175194206Ssimon cmp.eq p9,p0=1,r8 } 176194206Ssimon{ .mmi; cmp.eq p10,p0=2,r8 177194206Ssimon cmp.eq p11,p0=3,r8 178194206Ssimon cmp.eq p12,p0=4,r8 } 179194206Ssimon{ .mmi; cmp.eq p13,p0=5,r8 180194206Ssimon cmp.eq p14,p0=6,r8 181194206Ssimon cmp.eq p15,p0=7,r8 };; 182194206Ssimon___ 183194206Ssimon$code.=<<___; 184194206Ssimon.L_outer: 185290207Sjkim.rotr R[8],X[16] 186290207SjkimA=R[0]; B=R[1]; C=R[2]; D=R[3]; E=R[4]; F=R[5]; G=R[6]; H=R[7] 187290207Sjkim{ .mmi; ld1 X[15]=[input],$SZ // eliminated in sha512 188290207Sjkim mov A=A_ 189194206Ssimon mov ar.lc=14 } 190290207Sjkim{ .mmi; mov B=B_ 191290207Sjkim mov C=C_ 192290207Sjkim mov D=D_ } 193290207Sjkim{ .mmi; mov E=E_ 194290207Sjkim mov F=F_ 195290207Sjkim mov ar.ec=2 };; 196290207Sjkim{ .mmi; mov G=G_ 197194206Ssimon mov H=H_ 198290207Sjkim mov sgm1=$sigma1[2] } 199290207Sjkim{ .mib; mov r8=0 200290207Sjkim add r9=1-$SZ,input 201290207Sjkim brp.loop.imp .L_first16,.L_first16_end-16 };; 202194206Ssimon___ 203160814Ssimon$t0="A", $t1="E", $code.=<<___ if ($BITS==64); 204290207Sjkim// in sha512 case I load whole X[16] at once and take care of alignment... 205194206Ssimon{ .mmi; add r8=1*$SZ,input 206194206Ssimon add r9=2*$SZ,input 207194206Ssimon add r10=3*$SZ,input };; 208194206Ssimon{ .mmb; $LDW X[15]=[input],4*$SZ 209194206Ssimon $LDW X[14]=[r8],4*$SZ 210194206Ssimon(p9) br.cond.dpnt.many .L1byte };; 211194206Ssimon{ .mmb; $LDW X[13]=[r9],4*$SZ 212194206Ssimon $LDW X[12]=[r10],4*$SZ 213194206Ssimon(p10) br.cond.dpnt.many .L2byte };; 214194206Ssimon{ .mmb; $LDW X[11]=[input],4*$SZ 215194206Ssimon $LDW X[10]=[r8],4*$SZ 216194206Ssimon(p11) br.cond.dpnt.many .L3byte };; 217194206Ssimon{ .mmb; $LDW X[ 9]=[r9],4*$SZ 218194206Ssimon $LDW X[ 8]=[r10],4*$SZ 219194206Ssimon(p12) br.cond.dpnt.many .L4byte };; 220194206Ssimon{ .mmb; $LDW X[ 7]=[input],4*$SZ 221194206Ssimon $LDW X[ 6]=[r8],4*$SZ 222194206Ssimon(p13) br.cond.dpnt.many .L5byte };; 223194206Ssimon{ .mmb; $LDW X[ 5]=[r9],4*$SZ 224194206Ssimon $LDW X[ 4]=[r10],4*$SZ 225194206Ssimon(p14) br.cond.dpnt.many .L6byte };; 226194206Ssimon{ .mmb; $LDW X[ 3]=[input],4*$SZ 227194206Ssimon $LDW X[ 2]=[r8],4*$SZ 228194206Ssimon(p15) br.cond.dpnt.many .L7byte };; 229194206Ssimon{ .mmb; $LDW X[ 1]=[r9],4*$SZ 230290207Sjkim $LDW X[ 0]=[r10],4*$SZ } 231290207Sjkim{ .mib; mov r8=0 232290207Sjkim mux1 X[15]=X[15],\@rev // eliminated on big-endian 233194206Ssimon br.many .L_first16 };; 234194206Ssimon.L1byte: 235194206Ssimon{ .mmi; $LDW X[13]=[r9],4*$SZ 236194206Ssimon $LDW X[12]=[r10],4*$SZ 237194206Ssimon shrp X[15]=X[15],X[14],56 };; 238194206Ssimon{ .mmi; $LDW X[11]=[input],4*$SZ 239194206Ssimon $LDW X[10]=[r8],4*$SZ 240194206Ssimon shrp X[14]=X[14],X[13],56 } 241194206Ssimon{ .mmi; $LDW X[ 9]=[r9],4*$SZ 242194206Ssimon $LDW X[ 8]=[r10],4*$SZ 243194206Ssimon shrp X[13]=X[13],X[12],56 };; 244194206Ssimon{ .mmi; $LDW X[ 7]=[input],4*$SZ 245194206Ssimon $LDW X[ 6]=[r8],4*$SZ 246194206Ssimon shrp X[12]=X[12],X[11],56 } 247194206Ssimon{ .mmi; $LDW X[ 5]=[r9],4*$SZ 248194206Ssimon $LDW X[ 4]=[r10],4*$SZ 249194206Ssimon shrp X[11]=X[11],X[10],56 };; 250194206Ssimon{ .mmi; $LDW X[ 3]=[input],4*$SZ 251194206Ssimon $LDW X[ 2]=[r8],4*$SZ 252194206Ssimon shrp X[10]=X[10],X[ 9],56 } 253194206Ssimon{ .mmi; $LDW X[ 1]=[r9],4*$SZ 254194206Ssimon $LDW X[ 0]=[r10],4*$SZ 255194206Ssimon shrp X[ 9]=X[ 9],X[ 8],56 };; 256194206Ssimon{ .mii; $LDW T1=[input] 257194206Ssimon shrp X[ 8]=X[ 8],X[ 7],56 258194206Ssimon shrp X[ 7]=X[ 7],X[ 6],56 } 259194206Ssimon{ .mii; shrp X[ 6]=X[ 6],X[ 5],56 260194206Ssimon shrp X[ 5]=X[ 5],X[ 4],56 };; 261194206Ssimon{ .mii; shrp X[ 4]=X[ 4],X[ 3],56 262194206Ssimon shrp X[ 3]=X[ 3],X[ 2],56 } 263194206Ssimon{ .mii; shrp X[ 2]=X[ 2],X[ 1],56 264194206Ssimon shrp X[ 1]=X[ 1],X[ 0],56 } 265290207Sjkim{ .mib; shrp X[ 0]=X[ 0],T1,56 } 266290207Sjkim{ .mib; mov r8=0 267290207Sjkim mux1 X[15]=X[15],\@rev // eliminated on big-endian 268194206Ssimon br.many .L_first16 };; 269194206Ssimon.L2byte: 270194206Ssimon{ .mmi; $LDW X[11]=[input],4*$SZ 271194206Ssimon $LDW X[10]=[r8],4*$SZ 272194206Ssimon shrp X[15]=X[15],X[14],48 } 273194206Ssimon{ .mmi; $LDW X[ 9]=[r9],4*$SZ 274194206Ssimon $LDW X[ 8]=[r10],4*$SZ 275194206Ssimon shrp X[14]=X[14],X[13],48 };; 276194206Ssimon{ .mmi; $LDW X[ 7]=[input],4*$SZ 277194206Ssimon $LDW X[ 6]=[r8],4*$SZ 278194206Ssimon shrp X[13]=X[13],X[12],48 } 279194206Ssimon{ .mmi; $LDW X[ 5]=[r9],4*$SZ 280194206Ssimon $LDW X[ 4]=[r10],4*$SZ 281194206Ssimon shrp X[12]=X[12],X[11],48 };; 282194206Ssimon{ .mmi; $LDW X[ 3]=[input],4*$SZ 283194206Ssimon $LDW X[ 2]=[r8],4*$SZ 284194206Ssimon shrp X[11]=X[11],X[10],48 } 285194206Ssimon{ .mmi; $LDW X[ 1]=[r9],4*$SZ 286194206Ssimon $LDW X[ 0]=[r10],4*$SZ 287194206Ssimon shrp X[10]=X[10],X[ 9],48 };; 288194206Ssimon{ .mii; $LDW T1=[input] 289194206Ssimon shrp X[ 9]=X[ 9],X[ 8],48 290194206Ssimon shrp X[ 8]=X[ 8],X[ 7],48 } 291194206Ssimon{ .mii; shrp X[ 7]=X[ 7],X[ 6],48 292194206Ssimon shrp X[ 6]=X[ 6],X[ 5],48 };; 293194206Ssimon{ .mii; shrp X[ 5]=X[ 5],X[ 4],48 294194206Ssimon shrp X[ 4]=X[ 4],X[ 3],48 } 295194206Ssimon{ .mii; shrp X[ 3]=X[ 3],X[ 2],48 296194206Ssimon shrp X[ 2]=X[ 2],X[ 1],48 } 297194206Ssimon{ .mii; shrp X[ 1]=X[ 1],X[ 0],48 298194206Ssimon shrp X[ 0]=X[ 0],T1,48 } 299290207Sjkim{ .mib; mov r8=0 300290207Sjkim mux1 X[15]=X[15],\@rev // eliminated on big-endian 301290207Sjkim br.many .L_first16 };; 302194206Ssimon.L3byte: 303194206Ssimon{ .mmi; $LDW X[ 9]=[r9],4*$SZ 304194206Ssimon $LDW X[ 8]=[r10],4*$SZ 305194206Ssimon shrp X[15]=X[15],X[14],40 };; 306194206Ssimon{ .mmi; $LDW X[ 7]=[input],4*$SZ 307194206Ssimon $LDW X[ 6]=[r8],4*$SZ 308194206Ssimon shrp X[14]=X[14],X[13],40 } 309194206Ssimon{ .mmi; $LDW X[ 5]=[r9],4*$SZ 310194206Ssimon $LDW X[ 4]=[r10],4*$SZ 311194206Ssimon shrp X[13]=X[13],X[12],40 };; 312194206Ssimon{ .mmi; $LDW X[ 3]=[input],4*$SZ 313194206Ssimon $LDW X[ 2]=[r8],4*$SZ 314194206Ssimon shrp X[12]=X[12],X[11],40 } 315194206Ssimon{ .mmi; $LDW X[ 1]=[r9],4*$SZ 316194206Ssimon $LDW X[ 0]=[r10],4*$SZ 317194206Ssimon shrp X[11]=X[11],X[10],40 };; 318194206Ssimon{ .mii; $LDW T1=[input] 319194206Ssimon shrp X[10]=X[10],X[ 9],40 320194206Ssimon shrp X[ 9]=X[ 9],X[ 8],40 } 321194206Ssimon{ .mii; shrp X[ 8]=X[ 8],X[ 7],40 322194206Ssimon shrp X[ 7]=X[ 7],X[ 6],40 };; 323194206Ssimon{ .mii; shrp X[ 6]=X[ 6],X[ 5],40 324194206Ssimon shrp X[ 5]=X[ 5],X[ 4],40 } 325194206Ssimon{ .mii; shrp X[ 4]=X[ 4],X[ 3],40 326194206Ssimon shrp X[ 3]=X[ 3],X[ 2],40 } 327194206Ssimon{ .mii; shrp X[ 2]=X[ 2],X[ 1],40 328194206Ssimon shrp X[ 1]=X[ 1],X[ 0],40 } 329290207Sjkim{ .mib; shrp X[ 0]=X[ 0],T1,40 } 330290207Sjkim{ .mib; mov r8=0 331290207Sjkim mux1 X[15]=X[15],\@rev // eliminated on big-endian 332194206Ssimon br.many .L_first16 };; 333194206Ssimon.L4byte: 334194206Ssimon{ .mmi; $LDW X[ 7]=[input],4*$SZ 335194206Ssimon $LDW X[ 6]=[r8],4*$SZ 336194206Ssimon shrp X[15]=X[15],X[14],32 } 337194206Ssimon{ .mmi; $LDW X[ 5]=[r9],4*$SZ 338194206Ssimon $LDW X[ 4]=[r10],4*$SZ 339194206Ssimon shrp X[14]=X[14],X[13],32 };; 340194206Ssimon{ .mmi; $LDW X[ 3]=[input],4*$SZ 341194206Ssimon $LDW X[ 2]=[r8],4*$SZ 342194206Ssimon shrp X[13]=X[13],X[12],32 } 343194206Ssimon{ .mmi; $LDW X[ 1]=[r9],4*$SZ 344194206Ssimon $LDW X[ 0]=[r10],4*$SZ 345194206Ssimon shrp X[12]=X[12],X[11],32 };; 346194206Ssimon{ .mii; $LDW T1=[input] 347194206Ssimon shrp X[11]=X[11],X[10],32 348194206Ssimon shrp X[10]=X[10],X[ 9],32 } 349194206Ssimon{ .mii; shrp X[ 9]=X[ 9],X[ 8],32 350194206Ssimon shrp X[ 8]=X[ 8],X[ 7],32 };; 351194206Ssimon{ .mii; shrp X[ 7]=X[ 7],X[ 6],32 352194206Ssimon shrp X[ 6]=X[ 6],X[ 5],32 } 353194206Ssimon{ .mii; shrp X[ 5]=X[ 5],X[ 4],32 354194206Ssimon shrp X[ 4]=X[ 4],X[ 3],32 } 355194206Ssimon{ .mii; shrp X[ 3]=X[ 3],X[ 2],32 356194206Ssimon shrp X[ 2]=X[ 2],X[ 1],32 } 357194206Ssimon{ .mii; shrp X[ 1]=X[ 1],X[ 0],32 358194206Ssimon shrp X[ 0]=X[ 0],T1,32 } 359290207Sjkim{ .mib; mov r8=0 360290207Sjkim mux1 X[15]=X[15],\@rev // eliminated on big-endian 361290207Sjkim br.many .L_first16 };; 362194206Ssimon.L5byte: 363194206Ssimon{ .mmi; $LDW X[ 5]=[r9],4*$SZ 364194206Ssimon $LDW X[ 4]=[r10],4*$SZ 365194206Ssimon shrp X[15]=X[15],X[14],24 };; 366194206Ssimon{ .mmi; $LDW X[ 3]=[input],4*$SZ 367194206Ssimon $LDW X[ 2]=[r8],4*$SZ 368194206Ssimon shrp X[14]=X[14],X[13],24 } 369194206Ssimon{ .mmi; $LDW X[ 1]=[r9],4*$SZ 370194206Ssimon $LDW X[ 0]=[r10],4*$SZ 371194206Ssimon shrp X[13]=X[13],X[12],24 };; 372194206Ssimon{ .mii; $LDW T1=[input] 373194206Ssimon shrp X[12]=X[12],X[11],24 374194206Ssimon shrp X[11]=X[11],X[10],24 } 375194206Ssimon{ .mii; shrp X[10]=X[10],X[ 9],24 376194206Ssimon shrp X[ 9]=X[ 9],X[ 8],24 };; 377194206Ssimon{ .mii; shrp X[ 8]=X[ 8],X[ 7],24 378194206Ssimon shrp X[ 7]=X[ 7],X[ 6],24 } 379194206Ssimon{ .mii; shrp X[ 6]=X[ 6],X[ 5],24 380194206Ssimon shrp X[ 5]=X[ 5],X[ 4],24 } 381194206Ssimon{ .mii; shrp X[ 4]=X[ 4],X[ 3],24 382194206Ssimon shrp X[ 3]=X[ 3],X[ 2],24 } 383194206Ssimon{ .mii; shrp X[ 2]=X[ 2],X[ 1],24 384194206Ssimon shrp X[ 1]=X[ 1],X[ 0],24 } 385290207Sjkim{ .mib; shrp X[ 0]=X[ 0],T1,24 } 386290207Sjkim{ .mib; mov r8=0 387290207Sjkim mux1 X[15]=X[15],\@rev // eliminated on big-endian 388194206Ssimon br.many .L_first16 };; 389194206Ssimon.L6byte: 390194206Ssimon{ .mmi; $LDW X[ 3]=[input],4*$SZ 391194206Ssimon $LDW X[ 2]=[r8],4*$SZ 392194206Ssimon shrp X[15]=X[15],X[14],16 } 393194206Ssimon{ .mmi; $LDW X[ 1]=[r9],4*$SZ 394194206Ssimon $LDW X[ 0]=[r10],4*$SZ 395194206Ssimon shrp X[14]=X[14],X[13],16 };; 396194206Ssimon{ .mii; $LDW T1=[input] 397194206Ssimon shrp X[13]=X[13],X[12],16 398194206Ssimon shrp X[12]=X[12],X[11],16 } 399194206Ssimon{ .mii; shrp X[11]=X[11],X[10],16 400194206Ssimon shrp X[10]=X[10],X[ 9],16 };; 401194206Ssimon{ .mii; shrp X[ 9]=X[ 9],X[ 8],16 402194206Ssimon shrp X[ 8]=X[ 8],X[ 7],16 } 403194206Ssimon{ .mii; shrp X[ 7]=X[ 7],X[ 6],16 404194206Ssimon shrp X[ 6]=X[ 6],X[ 5],16 } 405194206Ssimon{ .mii; shrp X[ 5]=X[ 5],X[ 4],16 406194206Ssimon shrp X[ 4]=X[ 4],X[ 3],16 } 407194206Ssimon{ .mii; shrp X[ 3]=X[ 3],X[ 2],16 408194206Ssimon shrp X[ 2]=X[ 2],X[ 1],16 } 409194206Ssimon{ .mii; shrp X[ 1]=X[ 1],X[ 0],16 410194206Ssimon shrp X[ 0]=X[ 0],T1,16 } 411290207Sjkim{ .mib; mov r8=0 412290207Sjkim mux1 X[15]=X[15],\@rev // eliminated on big-endian 413290207Sjkim br.many .L_first16 };; 414194206Ssimon.L7byte: 415194206Ssimon{ .mmi; $LDW X[ 1]=[r9],4*$SZ 416194206Ssimon $LDW X[ 0]=[r10],4*$SZ 417194206Ssimon shrp X[15]=X[15],X[14],8 };; 418194206Ssimon{ .mii; $LDW T1=[input] 419194206Ssimon shrp X[14]=X[14],X[13],8 420194206Ssimon shrp X[13]=X[13],X[12],8 } 421194206Ssimon{ .mii; shrp X[12]=X[12],X[11],8 422194206Ssimon shrp X[11]=X[11],X[10],8 };; 423194206Ssimon{ .mii; shrp X[10]=X[10],X[ 9],8 424194206Ssimon shrp X[ 9]=X[ 9],X[ 8],8 } 425194206Ssimon{ .mii; shrp X[ 8]=X[ 8],X[ 7],8 426194206Ssimon shrp X[ 7]=X[ 7],X[ 6],8 } 427194206Ssimon{ .mii; shrp X[ 6]=X[ 6],X[ 5],8 428194206Ssimon shrp X[ 5]=X[ 5],X[ 4],8 } 429194206Ssimon{ .mii; shrp X[ 4]=X[ 4],X[ 3],8 430194206Ssimon shrp X[ 3]=X[ 3],X[ 2],8 } 431194206Ssimon{ .mii; shrp X[ 2]=X[ 2],X[ 1],8 432194206Ssimon shrp X[ 1]=X[ 1],X[ 0],8 } 433290207Sjkim{ .mib; shrp X[ 0]=X[ 0],T1,8 } 434290207Sjkim{ .mib; mov r8=0 435290207Sjkim mux1 X[15]=X[15],\@rev };; // eliminated on big-endian 436194206Ssimon 437194206Ssimon.align 32 438194206Ssimon.L_first16: 439194206Ssimon{ .mmi; $LDW K=[Ktbl],$SZ 440290207Sjkim add A=A,r8 // H+=Sigma(0) from the past 441290207Sjkim _rotr r10=$t1,$Sigma1[0] } // ROTR(e,14) 442290207Sjkim{ .mmi; and T1=F,E 443160814Ssimon andcm r8=G,E 444290207Sjkim (p16) mux1 X[14]=X[14],\@rev };; // eliminated on big-endian 445290207Sjkim{ .mmi; and T2=A,B 446290207Sjkim and r9=A,C 447290207Sjkim _rotr r11=$t1,$Sigma1[1] } // ROTR(e,41) 448290207Sjkim{ .mmi; xor T1=T1,r8 // T1=((e & f) ^ (~e & g)) 449290207Sjkim and r8=B,C };; 450160814Ssimon___ 451290207Sjkim$t0="t0", $t1="t1", $code.=<<___ if ($BITS==32); 452290207Sjkim.align 32 453290207Sjkim.L_first16: 454290207Sjkim{ .mmi; add A=A,r8 // H+=Sigma(0) from the past 455290207Sjkim add r10=2-$SZ,input 456290207Sjkim add r11=3-$SZ,input };; 457290207Sjkim{ .mmi; ld1 r9=[r9] 458290207Sjkim ld1 r10=[r10] 459290207Sjkim dep.z $t1=E,32,32 } 460290207Sjkim{ .mmi; ld1 r11=[r11] 461290207Sjkim $LDW K=[Ktbl],$SZ 462290207Sjkim zxt4 E=E };; 463290207Sjkim{ .mii; or $t1=$t1,E 464290207Sjkim dep X[15]=X[15],r9,8,8 465290207Sjkim mux2 $t0=A,0x44 };; // copy lower half to upper 466290207Sjkim{ .mmi; and T1=F,E 467290207Sjkim andcm r8=G,E 468290207Sjkim dep r11=r10,r11,8,8 };; 469290207Sjkim{ .mmi; and T2=A,B 470290207Sjkim and r9=A,C 471290207Sjkim dep X[15]=X[15],r11,16,16 };; 472290207Sjkim{ .mmi; (p16) ld1 X[15-1]=[input],$SZ // prefetch 473290207Sjkim xor T1=T1,r8 // T1=((e & f) ^ (~e & g)) 474290207Sjkim _rotr r10=$t1,$Sigma1[0] } // ROTR(e,14) 475290207Sjkim{ .mmi; and r8=B,C 476290207Sjkim _rotr r11=$t1,$Sigma1[1] };; // ROTR(e,18) 477290207Sjkim___ 478160814Ssimon$code.=<<___; 479290207Sjkim{ .mmi; add T1=T1,H // T1=Ch(e,f,g)+h 480290207Sjkim xor r10=r10,r11 481290207Sjkim _rotr r11=$t1,$Sigma1[2] } // ROTR(e,41) 482290207Sjkim{ .mmi; xor T2=T2,r9 483290207Sjkim add K=K,X[15] };; 484290207Sjkim{ .mmi; add T1=T1,K // T1+=K[i]+X[i] 485290207Sjkim xor T2=T2,r8 // T2=((a & b) ^ (a & c) ^ (b & c)) 486290207Sjkim _rotr r8=$t0,$Sigma0[0] } // ROTR(a,28) 487290207Sjkim{ .mmi; xor r11=r11,r10 // Sigma1(e) 488290207Sjkim _rotr r9=$t0,$Sigma0[1] };; // ROTR(a,34) 489290207Sjkim{ .mmi; add T1=T1,r11 // T+=Sigma1(e) 490290207Sjkim xor r8=r8,r9 491290207Sjkim _rotr r9=$t0,$Sigma0[2] };; // ROTR(a,39) 492290207Sjkim{ .mmi; xor r8=r8,r9 // Sigma0(a) 493290207Sjkim add D=D,T1 494290207Sjkim mux2 H=X[15],0x44 } // mov H=X[15] in sha512 495290207Sjkim{ .mib; (p16) add r9=1-$SZ,input // not used in sha512 496290207Sjkim add X[15]=T1,T2 // H=T1+Maj(a,b,c) 497290207Sjkim br.ctop.sptk .L_first16 };; 498194206Ssimon.L_first16_end: 499160814Ssimon 500290207Sjkim{ .mib; mov ar.lc=$rounds-17 501290207Sjkim brp.loop.imp .L_rest,.L_rest_end-16 } 502290207Sjkim{ .mib; mov ar.ec=1 503290207Sjkim br.many .L_rest };; 504194206Ssimon 505160814Ssimon.align 32 506160814Ssimon.L_rest: 507290207Sjkim{ .mmi; $LDW K=[Ktbl],$SZ 508290207Sjkim add A=A,r8 // H+=Sigma0(a) from the past 509160814Ssimon _rotr r8=X[15-1],$sigma0[0] } // ROTR(s0,1) 510290207Sjkim{ .mmi; add X[15]=X[15],X[15-9] // X[i&0xF]+=X[(i+9)&0xF] 511290207Sjkim $SHRU s0=X[15-1],sgm0 };; // s0=X[(i+1)&0xF]>>7 512160814Ssimon{ .mib; and T1=F,E 513160814Ssimon _rotr r9=X[15-1],$sigma0[1] } // ROTR(s0,8) 514160814Ssimon{ .mib; andcm r10=G,E 515290207Sjkim $SHRU s1=X[15-14],sgm1 };; // s1=X[(i+14)&0xF]>>6 516290207Sjkim// Pair of mmi; splits on Itanium 1 and prevents pipeline flush 517290207Sjkim// upon $SHRU output usage 518160814Ssimon{ .mmi; xor T1=T1,r10 // T1=((e & f) ^ (~e & g)) 519160814Ssimon xor r9=r8,r9 520290207Sjkim _rotr r10=X[15-14],$sigma1[0] }// ROTR(s1,19) 521290207Sjkim{ .mmi; and T2=A,B 522290207Sjkim and r8=A,C 523290207Sjkim _rotr r11=X[15-14],$sigma1[1] };;// ROTR(s1,61) 524160814Ssimon___ 525160814Ssimon$t0="t0", $t1="t1", $code.=<<___ if ($BITS==32); 526290207Sjkim{ .mib; xor s0=s0,r9 // s0=sigma0(X[(i+1)&0xF]) 527290207Sjkim dep.z $t1=E,32,32 } 528290207Sjkim{ .mib; xor r10=r11,r10 529290207Sjkim zxt4 E=E };; 530290207Sjkim{ .mii; xor s1=s1,r10 // s1=sigma1(X[(i+14)&0xF]) 531290207Sjkim shrp r9=E,$t1,32+$Sigma1[0] // ROTR(e,14) 532290207Sjkim mux2 $t0=A,0x44 };; // copy lower half to upper 533290207Sjkim// Pair of mmi; splits on Itanium 1 and prevents pipeline flush 534290207Sjkim// upon mux2 output usage 535160814Ssimon{ .mmi; xor T2=T2,r8 536290207Sjkim shrp r8=E,$t1,32+$Sigma1[1]} // ROTR(e,18) 537160814Ssimon{ .mmi; and r10=B,C 538160814Ssimon add T1=T1,H // T1=Ch(e,f,g)+h 539290207Sjkim or $t1=$t1,E };; 540160814Ssimon___ 541160814Ssimon$t0="A", $t1="E", $code.=<<___ if ($BITS==64); 542160814Ssimon{ .mib; xor s0=s0,r9 // s0=sigma0(X[(i+1)&0xF]) 543290207Sjkim _rotr r9=$t1,$Sigma1[0] } // ROTR(e,14) 544160814Ssimon{ .mib; xor r10=r11,r10 545290207Sjkim xor T2=T2,r8 };; 546160814Ssimon{ .mib; xor s1=s1,r10 // s1=sigma1(X[(i+14)&0xF]) 547290207Sjkim _rotr r8=$t1,$Sigma1[1] } // ROTR(e,18) 548160814Ssimon{ .mib; and r10=B,C 549290207Sjkim add T1=T1,H };; // T1+=H 550160814Ssimon___ 551160814Ssimon$code.=<<___; 552290207Sjkim{ .mib; xor r9=r9,r8 553290207Sjkim _rotr r8=$t1,$Sigma1[2] } // ROTR(e,41) 554290207Sjkim{ .mib; xor T2=T2,r10 // T2=((a & b) ^ (a & c) ^ (b & c)) 555290207Sjkim add X[15]=X[15],s0 };; // X[i]+=sigma0(X[i+1]) 556290207Sjkim{ .mmi; xor r9=r9,r8 // Sigma1(e) 557290207Sjkim add X[15]=X[15],s1 // X[i]+=sigma0(X[i+14]) 558290207Sjkim _rotr r8=$t0,$Sigma0[0] };; // ROTR(a,28) 559290207Sjkim{ .mmi; add K=K,X[15] 560290207Sjkim add T1=T1,r9 // T1+=Sigma1(e) 561290207Sjkim _rotr r9=$t0,$Sigma0[1] };; // ROTR(a,34) 562290207Sjkim{ .mmi; add T1=T1,K // T1+=K[i]+X[i] 563290207Sjkim xor r8=r8,r9 564290207Sjkim _rotr r9=$t0,$Sigma0[2] };; // ROTR(a,39) 565290207Sjkim{ .mib; add D=D,T1 566290207Sjkim mux2 H=X[15],0x44 } // mov H=X[15] in sha512 567290207Sjkim{ .mib; xor r8=r8,r9 // Sigma0(a) 568290207Sjkim add X[15]=T1,T2 // H=T1+Maj(a,b,c) 569290207Sjkim br.ctop.sptk .L_rest };; 570194206Ssimon.L_rest_end: 571160814Ssimon 572290207Sjkim{ .mmi; add A=A,r8 };; // H+=Sigma0(a) from the past 573194206Ssimon{ .mmi; add A_=A_,A 574194206Ssimon add B_=B_,B 575194206Ssimon add C_=C_,C } 576194206Ssimon{ .mmi; add D_=D_,D 577194206Ssimon add E_=E_,E 578194206Ssimon cmp.ltu p16,p0=1,num };; 579194206Ssimon{ .mmi; add F_=F_,F 580194206Ssimon add G_=G_,G 581194206Ssimon add H_=H_,H } 582194206Ssimon{ .mmb; add Ktbl=-$SZ*$rounds,Ktbl 583194206Ssimon(p16) add num=-1,num 584194206Ssimon(p16) br.dptk.many .L_outer };; 585194206Ssimon 586160814Ssimon{ .mib; add r8=0*$SZ,ctx 587160814Ssimon add r9=1*$SZ,ctx } 588160814Ssimon{ .mib; add r10=2*$SZ,ctx 589160814Ssimon add r11=3*$SZ,ctx };; 590194206Ssimon{ .mmi; $STW [r8]=A_,4*$SZ 591194206Ssimon $STW [r9]=B_,4*$SZ 592194206Ssimon mov ar.lc=lcsave } 593194206Ssimon{ .mmi; $STW [r10]=C_,4*$SZ 594194206Ssimon $STW [r11]=D_,4*$SZ 595194206Ssimon mov pr=prsave,0x1ffff };; 596194206Ssimon{ .mmb; $STW [r8]=E_ 597194206Ssimon $STW [r9]=F_ } 598194206Ssimon{ .mmb; $STW [r10]=G_ 599194206Ssimon $STW [r11]=H_ 600160814Ssimon br.ret.sptk.many b0 };; 601160814Ssimon.endp $func# 602160814Ssimon___ 603160814Ssimon 604290207Sjkimforeach(split($/,$code)) { 605290207Sjkim s/\`([^\`]*)\`/eval $1/gem; 606290207Sjkim s/_rotr(\s+)([^=]+)=([^,]+),([0-9]+)/shrp$1$2=$3,$3,$4/gm; 607290207Sjkim if ($BITS==64) { 608290207Sjkim s/mux2(\s+)([^=]+)=([^,]+),\S+/mov$1 $2=$3/gm; 609290207Sjkim s/mux1(\s+)\S+/nop.i$1 0x0/gm if ($big_endian); 610290207Sjkim s/(shrp\s+X\[[^=]+)=([^,]+),([^,]+),([1-9]+)/$1=$3,$2,64-$4/gm 611194206Ssimon if (!$big_endian); 612290207Sjkim s/ld1(\s+)X\[\S+/nop.m$1 0x0/gm; 613290207Sjkim } 614290207Sjkim 615290207Sjkim print $_,"\n"; 616160814Ssimon} 617160814Ssimon 618160814Ssimonprint<<___ if ($BITS==32); 619160814Ssimon.align 64 620160814Ssimon.type K256#,\@object 621160814SsimonK256: data4 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5 622160814Ssimon data4 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5 623160814Ssimon data4 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3 624160814Ssimon data4 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174 625160814Ssimon data4 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc 626160814Ssimon data4 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da 627160814Ssimon data4 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7 628160814Ssimon data4 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967 629160814Ssimon data4 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13 630160814Ssimon data4 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85 631160814Ssimon data4 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3 632160814Ssimon data4 0xd192e819,0xd6990624,0xf40e3585,0x106aa070 633160814Ssimon data4 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5 634160814Ssimon data4 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3 635160814Ssimon data4 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208 636160814Ssimon data4 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2 637160814Ssimon.size K256#,$SZ*$rounds 638194206Ssimonstringz "SHA256 block transform for IA64, CRYPTOGAMS by <appro\@openssl.org>" 639160814Ssimon___ 640160814Ssimonprint<<___ if ($BITS==64); 641160814Ssimon.align 64 642160814Ssimon.type K512#,\@object 643160814SsimonK512: data8 0x428a2f98d728ae22,0x7137449123ef65cd 644160814Ssimon data8 0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc 645160814Ssimon data8 0x3956c25bf348b538,0x59f111f1b605d019 646160814Ssimon data8 0x923f82a4af194f9b,0xab1c5ed5da6d8118 647160814Ssimon data8 0xd807aa98a3030242,0x12835b0145706fbe 648160814Ssimon data8 0x243185be4ee4b28c,0x550c7dc3d5ffb4e2 649160814Ssimon data8 0x72be5d74f27b896f,0x80deb1fe3b1696b1 650160814Ssimon data8 0x9bdc06a725c71235,0xc19bf174cf692694 651160814Ssimon data8 0xe49b69c19ef14ad2,0xefbe4786384f25e3 652160814Ssimon data8 0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65 653160814Ssimon data8 0x2de92c6f592b0275,0x4a7484aa6ea6e483 654160814Ssimon data8 0x5cb0a9dcbd41fbd4,0x76f988da831153b5 655160814Ssimon data8 0x983e5152ee66dfab,0xa831c66d2db43210 656160814Ssimon data8 0xb00327c898fb213f,0xbf597fc7beef0ee4 657160814Ssimon data8 0xc6e00bf33da88fc2,0xd5a79147930aa725 658160814Ssimon data8 0x06ca6351e003826f,0x142929670a0e6e70 659160814Ssimon data8 0x27b70a8546d22ffc,0x2e1b21385c26c926 660160814Ssimon data8 0x4d2c6dfc5ac42aed,0x53380d139d95b3df 661160814Ssimon data8 0x650a73548baf63de,0x766a0abb3c77b2a8 662160814Ssimon data8 0x81c2c92e47edaee6,0x92722c851482353b 663160814Ssimon data8 0xa2bfe8a14cf10364,0xa81a664bbc423001 664160814Ssimon data8 0xc24b8b70d0f89791,0xc76c51a30654be30 665160814Ssimon data8 0xd192e819d6ef5218,0xd69906245565a910 666160814Ssimon data8 0xf40e35855771202a,0x106aa07032bbd1b8 667160814Ssimon data8 0x19a4c116b8d2d0c8,0x1e376c085141ab53 668160814Ssimon data8 0x2748774cdf8eeb99,0x34b0bcb5e19b48a8 669160814Ssimon data8 0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb 670160814Ssimon data8 0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3 671160814Ssimon data8 0x748f82ee5defb2fc,0x78a5636f43172f60 672160814Ssimon data8 0x84c87814a1f0ab72,0x8cc702081a6439ec 673160814Ssimon data8 0x90befffa23631e28,0xa4506cebde82bde9 674160814Ssimon data8 0xbef9a3f7b2c67915,0xc67178f2e372532b 675160814Ssimon data8 0xca273eceea26619c,0xd186b8c721c0c207 676160814Ssimon data8 0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178 677160814Ssimon data8 0x06f067aa72176fba,0x0a637dc5a2c898a6 678160814Ssimon data8 0x113f9804bef90dae,0x1b710b35131c471b 679160814Ssimon data8 0x28db77f523047d84,0x32caab7b40c72493 680160814Ssimon data8 0x3c9ebe0a15c9bebc,0x431d67c49c100d4c 681160814Ssimon data8 0x4cc5d4becb3e42b6,0x597f299cfc657e2a 682160814Ssimon data8 0x5fcb6fab3ad6faec,0x6c44198c4a475817 683160814Ssimon.size K512#,$SZ*$rounds 684194206Ssimonstringz "SHA512 block transform for IA64, CRYPTOGAMS by <appro\@openssl.org>" 685160814Ssimon___ 686