2 # Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
4 # Licensed under the Apache License 2.0 (the "License"). You may not use
5 # this file except in compliance with the License. You can obtain a copy
6 # in the file LICENSE in the source distribution or at
7 # https://www.openssl.org/source/license.html
10 # ====================================================================
11 # Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
12 # project. The module is, however, dual licensed under OpenSSL and
13 # CRYPTOGAMS licenses depending on where you obtain it. For further
14 # details see http://www.openssl.org/~appro/cryptogams/.
15 # ====================================================================
17 # SHA256/512_Transform for Itanium.
19 # sha512_block runs in 1003 cycles on Itanium 2, which is almost 50%
20 # faster than gcc and >60%(!) faster than code generated by HP-UX
21 # compiler (yes, HP-UX is generating slower code, because unlike gcc,
22 # it failed to deploy "shift right pair," 'shrp' instruction, which
23 # substitutes for 64-bit rotate).
25 # 924 cycles long sha256_block outperforms gcc by over factor of 2(!)
26 # and HP-UX compiler - by >40% (yes, gcc won sha512_block, but lost
27 # this one big time). Note that "formally" 924 is about 100 cycles
28 # too much. I mean it's 64 32-bit rounds vs. 80 virtually identical
29 # 64-bit ones and 1003*64/80 gives 802. Extra cycles, 2 per round,
30 # are spent on extra work to provide for 32-bit rotations. 32-bit
31 # rotations are still handled by 'shrp' instruction and for this
32 # reason lower 32 bits are deposited to upper half of 64-bit register
33 # prior 'shrp' issue. And in order to minimize the amount of such
34 # operations, X[16] values are *maintained* with copies of lower
35 # halves in upper halves, which is why you'll spot such instructions
36 # as custom 'mux2', "parallel 32-bit add," 'padd4' and "parallel
37 # 32-bit unsigned right shift," 'pshr4.u' instructions here.
39 # Rules of engagement.
41 # There is only one integer shifter meaning that if I have two rotate,
42 # deposit or extract instructions in adjacent bundles, they shall
43 # split [at run-time if they have to]. But note that variable and
44 # parallel shifts are performed by multi-media ALU and *are* pairable
45 # with rotates [and alike]. On the backside MMALU is rather slow: it
46 # takes 2 extra cycles before the result of integer operation is
47 # available *to* MMALU and 2(*) extra cycles before the result of MM
48 # operation is available "back" *to* integer ALU, not to mention that
49 # MMALU itself has 2 cycles latency. However! I explicitly scheduled
50 # these MM instructions to avoid MM stalls, so that all these extra
51 # latencies get "hidden" in instruction-level parallelism.
53 # (*) 2 cycles on Itanium 1 and 1 cycle on Itanium 2. But I schedule
54 # for 2 in order to provide for best *overall* performance,
55 # because on Itanium 1 stall on MM result is accompanied by
56 # pipeline flush, which takes 6 cycles:-(
60 # Improve performance by 15-20%. Note about "rules of engagement"
61 # above. Contemporary cores are equipped with additional shifter,
62 # so that they should perform even better than below, presumably
65 ######################################################################
66 # Current performance in cycles per processed byte for Itanium 2
67 # pre-9000 series [little-endian] system:
73 # (*) SHA1 result is presented purely for reference purposes.
75 # To generate code, pass the file name with either 256 or 512 in its
76 # name and compiler flags.
80 if ($output =~ /512.*\.[s|asm]/) {
88 $func="sha512_block_data_order";
94 } elsif ($output =~ /256.*\.[s|asm]/) {
102 $func="sha256_block_data_order";
108 } else { die "nonsense $output"; }
110 open STDOUT,">$output" || die "can't open $output: $!";
114 for (@ARGV) { $ADDP="add" if (/[\+DD|\-mlp]64/); }
115 } else { $ADDP="add"; }
116 for (@ARGV) { $big_endian=1 if (/\-DB_ENDIAN/);
117 $big_endian=0 if (/\-DL_ENDIAN/); }
118 if (!defined($big_endian))
119 { $big_endian=(unpack('L',pack('N',1))==1); }
122 .ident \"$output, version 2.0\"
123 .ident \"IA-64 ISA artwork by Andy Polyakov <appro\@openssl.org>\"
131 A_=r16; B_=r17; C_=r18; D_=r19;
132 E_=r20; F_=r21; G_=r22; H_=r23;
134 s0=r26; s1=r27; t0=r28; t1=r29;
137 input=r56; // 2nd arg
139 sgm0=r58; sgm1=r59; // small constants
141 // void $func (SHA_CTX *ctx, const void *in,size_t num[,int host])
149 { .mmi; alloc pfssave=ar.pfs,3,25,0,24
150 $ADDP ctx=0,r32 // 1st arg
153 { .mmi; $ADDP input=0,r33 // 2nd arg
154 mov num=r34 // 3rd arg
159 { .mib; add r8=0*$SZ,ctx
161 { .mib; add r10=2*$SZ,ctx
162 add r11=3*$SZ,ctx };;
166 { .mmi; $LDW A_=[r8],4*$SZ
169 { .mmi; $LDW C_=[r10],4*$SZ
171 mov sgm0=$sigma0[2] };;
174 add Ktbl=($TABLE#-.Lpic_point),Ktbl }
175 { .mmi; $LDW G_=[r10]
177 cmp.ne p0,p16=0,r0 };;
179 $code.=<<___ if ($BITS==64);
180 { .mii; and r8=7,input
183 { .mmi; cmp.eq p10,p0=2,r8
186 { .mmi; cmp.eq p13,p0=5,r8
188 cmp.eq p15,p0=7,r8 };;
193 A=R[0]; B=R[1]; C=R[2]; D=R[3]; E=R[4]; F=R[5]; G=R[6]; H=R[7]
194 { .mmi; ld1 X[15]=[input],$SZ // eliminated in sha512
205 mov sgm1=$sigma1[2] }
208 brp.loop.imp .L_first16,.L_first16_end-16 };;
210 $t0="A", $t1="E", $code.=<<___ if ($BITS==64);
211 // in sha512 case I load whole X[16] at once and take care of alignment...
212 { .mmi; add r8=1*$SZ,input
214 add r10=3*$SZ,input };;
215 { .mmb; $LDW X[15]=[input],4*$SZ
216 $LDW X[14]=[r8],4*$SZ
217 (p9) br.cond.dpnt.many .L1byte };;
218 { .mmb; $LDW X[13]=[r9],4*$SZ
219 $LDW X[12]=[r10],4*$SZ
220 (p10) br.cond.dpnt.many .L2byte };;
221 { .mmb; $LDW X[11]=[input],4*$SZ
222 $LDW X[10]=[r8],4*$SZ
223 (p11) br.cond.dpnt.many .L3byte };;
224 { .mmb; $LDW X[ 9]=[r9],4*$SZ
225 $LDW X[ 8]=[r10],4*$SZ
226 (p12) br.cond.dpnt.many .L4byte };;
227 { .mmb; $LDW X[ 7]=[input],4*$SZ
228 $LDW X[ 6]=[r8],4*$SZ
229 (p13) br.cond.dpnt.many .L5byte };;
230 { .mmb; $LDW X[ 5]=[r9],4*$SZ
231 $LDW X[ 4]=[r10],4*$SZ
232 (p14) br.cond.dpnt.many .L6byte };;
233 { .mmb; $LDW X[ 3]=[input],4*$SZ
234 $LDW X[ 2]=[r8],4*$SZ
235 (p15) br.cond.dpnt.many .L7byte };;
236 { .mmb; $LDW X[ 1]=[r9],4*$SZ
237 $LDW X[ 0]=[r10],4*$SZ }
239 mux1 X[15]=X[15],\@rev // eliminated on big-endian
240 br.many .L_first16 };;
242 { .mmi; $LDW X[13]=[r9],4*$SZ
243 $LDW X[12]=[r10],4*$SZ
244 shrp X[15]=X[15],X[14],56 };;
245 { .mmi; $LDW X[11]=[input],4*$SZ
246 $LDW X[10]=[r8],4*$SZ
247 shrp X[14]=X[14],X[13],56 }
248 { .mmi; $LDW X[ 9]=[r9],4*$SZ
249 $LDW X[ 8]=[r10],4*$SZ
250 shrp X[13]=X[13],X[12],56 };;
251 { .mmi; $LDW X[ 7]=[input],4*$SZ
252 $LDW X[ 6]=[r8],4*$SZ
253 shrp X[12]=X[12],X[11],56 }
254 { .mmi; $LDW X[ 5]=[r9],4*$SZ
255 $LDW X[ 4]=[r10],4*$SZ
256 shrp X[11]=X[11],X[10],56 };;
257 { .mmi; $LDW X[ 3]=[input],4*$SZ
258 $LDW X[ 2]=[r8],4*$SZ
259 shrp X[10]=X[10],X[ 9],56 }
260 { .mmi; $LDW X[ 1]=[r9],4*$SZ
261 $LDW X[ 0]=[r10],4*$SZ
262 shrp X[ 9]=X[ 9],X[ 8],56 };;
263 { .mii; $LDW T1=[input]
264 shrp X[ 8]=X[ 8],X[ 7],56
265 shrp X[ 7]=X[ 7],X[ 6],56 }
266 { .mii; shrp X[ 6]=X[ 6],X[ 5],56
267 shrp X[ 5]=X[ 5],X[ 4],56 };;
268 { .mii; shrp X[ 4]=X[ 4],X[ 3],56
269 shrp X[ 3]=X[ 3],X[ 2],56 }
270 { .mii; shrp X[ 2]=X[ 2],X[ 1],56
271 shrp X[ 1]=X[ 1],X[ 0],56 }
272 { .mib; shrp X[ 0]=X[ 0],T1,56 }
274 mux1 X[15]=X[15],\@rev // eliminated on big-endian
275 br.many .L_first16 };;
277 { .mmi; $LDW X[11]=[input],4*$SZ
278 $LDW X[10]=[r8],4*$SZ
279 shrp X[15]=X[15],X[14],48 }
280 { .mmi; $LDW X[ 9]=[r9],4*$SZ
281 $LDW X[ 8]=[r10],4*$SZ
282 shrp X[14]=X[14],X[13],48 };;
283 { .mmi; $LDW X[ 7]=[input],4*$SZ
284 $LDW X[ 6]=[r8],4*$SZ
285 shrp X[13]=X[13],X[12],48 }
286 { .mmi; $LDW X[ 5]=[r9],4*$SZ
287 $LDW X[ 4]=[r10],4*$SZ
288 shrp X[12]=X[12],X[11],48 };;
289 { .mmi; $LDW X[ 3]=[input],4*$SZ
290 $LDW X[ 2]=[r8],4*$SZ
291 shrp X[11]=X[11],X[10],48 }
292 { .mmi; $LDW X[ 1]=[r9],4*$SZ
293 $LDW X[ 0]=[r10],4*$SZ
294 shrp X[10]=X[10],X[ 9],48 };;
295 { .mii; $LDW T1=[input]
296 shrp X[ 9]=X[ 9],X[ 8],48
297 shrp X[ 8]=X[ 8],X[ 7],48 }
298 { .mii; shrp X[ 7]=X[ 7],X[ 6],48
299 shrp X[ 6]=X[ 6],X[ 5],48 };;
300 { .mii; shrp X[ 5]=X[ 5],X[ 4],48
301 shrp X[ 4]=X[ 4],X[ 3],48 }
302 { .mii; shrp X[ 3]=X[ 3],X[ 2],48
303 shrp X[ 2]=X[ 2],X[ 1],48 }
304 { .mii; shrp X[ 1]=X[ 1],X[ 0],48
305 shrp X[ 0]=X[ 0],T1,48 }
307 mux1 X[15]=X[15],\@rev // eliminated on big-endian
308 br.many .L_first16 };;
310 { .mmi; $LDW X[ 9]=[r9],4*$SZ
311 $LDW X[ 8]=[r10],4*$SZ
312 shrp X[15]=X[15],X[14],40 };;
313 { .mmi; $LDW X[ 7]=[input],4*$SZ
314 $LDW X[ 6]=[r8],4*$SZ
315 shrp X[14]=X[14],X[13],40 }
316 { .mmi; $LDW X[ 5]=[r9],4*$SZ
317 $LDW X[ 4]=[r10],4*$SZ
318 shrp X[13]=X[13],X[12],40 };;
319 { .mmi; $LDW X[ 3]=[input],4*$SZ
320 $LDW X[ 2]=[r8],4*$SZ
321 shrp X[12]=X[12],X[11],40 }
322 { .mmi; $LDW X[ 1]=[r9],4*$SZ
323 $LDW X[ 0]=[r10],4*$SZ
324 shrp X[11]=X[11],X[10],40 };;
325 { .mii; $LDW T1=[input]
326 shrp X[10]=X[10],X[ 9],40
327 shrp X[ 9]=X[ 9],X[ 8],40 }
328 { .mii; shrp X[ 8]=X[ 8],X[ 7],40
329 shrp X[ 7]=X[ 7],X[ 6],40 };;
330 { .mii; shrp X[ 6]=X[ 6],X[ 5],40
331 shrp X[ 5]=X[ 5],X[ 4],40 }
332 { .mii; shrp X[ 4]=X[ 4],X[ 3],40
333 shrp X[ 3]=X[ 3],X[ 2],40 }
334 { .mii; shrp X[ 2]=X[ 2],X[ 1],40
335 shrp X[ 1]=X[ 1],X[ 0],40 }
336 { .mib; shrp X[ 0]=X[ 0],T1,40 }
338 mux1 X[15]=X[15],\@rev // eliminated on big-endian
339 br.many .L_first16 };;
341 { .mmi; $LDW X[ 7]=[input],4*$SZ
342 $LDW X[ 6]=[r8],4*$SZ
343 shrp X[15]=X[15],X[14],32 }
344 { .mmi; $LDW X[ 5]=[r9],4*$SZ
345 $LDW X[ 4]=[r10],4*$SZ
346 shrp X[14]=X[14],X[13],32 };;
347 { .mmi; $LDW X[ 3]=[input],4*$SZ
348 $LDW X[ 2]=[r8],4*$SZ
349 shrp X[13]=X[13],X[12],32 }
350 { .mmi; $LDW X[ 1]=[r9],4*$SZ
351 $LDW X[ 0]=[r10],4*$SZ
352 shrp X[12]=X[12],X[11],32 };;
353 { .mii; $LDW T1=[input]
354 shrp X[11]=X[11],X[10],32
355 shrp X[10]=X[10],X[ 9],32 }
356 { .mii; shrp X[ 9]=X[ 9],X[ 8],32
357 shrp X[ 8]=X[ 8],X[ 7],32 };;
358 { .mii; shrp X[ 7]=X[ 7],X[ 6],32
359 shrp X[ 6]=X[ 6],X[ 5],32 }
360 { .mii; shrp X[ 5]=X[ 5],X[ 4],32
361 shrp X[ 4]=X[ 4],X[ 3],32 }
362 { .mii; shrp X[ 3]=X[ 3],X[ 2],32
363 shrp X[ 2]=X[ 2],X[ 1],32 }
364 { .mii; shrp X[ 1]=X[ 1],X[ 0],32
365 shrp X[ 0]=X[ 0],T1,32 }
367 mux1 X[15]=X[15],\@rev // eliminated on big-endian
368 br.many .L_first16 };;
370 { .mmi; $LDW X[ 5]=[r9],4*$SZ
371 $LDW X[ 4]=[r10],4*$SZ
372 shrp X[15]=X[15],X[14],24 };;
373 { .mmi; $LDW X[ 3]=[input],4*$SZ
374 $LDW X[ 2]=[r8],4*$SZ
375 shrp X[14]=X[14],X[13],24 }
376 { .mmi; $LDW X[ 1]=[r9],4*$SZ
377 $LDW X[ 0]=[r10],4*$SZ
378 shrp X[13]=X[13],X[12],24 };;
379 { .mii; $LDW T1=[input]
380 shrp X[12]=X[12],X[11],24
381 shrp X[11]=X[11],X[10],24 }
382 { .mii; shrp X[10]=X[10],X[ 9],24
383 shrp X[ 9]=X[ 9],X[ 8],24 };;
384 { .mii; shrp X[ 8]=X[ 8],X[ 7],24
385 shrp X[ 7]=X[ 7],X[ 6],24 }
386 { .mii; shrp X[ 6]=X[ 6],X[ 5],24
387 shrp X[ 5]=X[ 5],X[ 4],24 }
388 { .mii; shrp X[ 4]=X[ 4],X[ 3],24
389 shrp X[ 3]=X[ 3],X[ 2],24 }
390 { .mii; shrp X[ 2]=X[ 2],X[ 1],24
391 shrp X[ 1]=X[ 1],X[ 0],24 }
392 { .mib; shrp X[ 0]=X[ 0],T1,24 }
394 mux1 X[15]=X[15],\@rev // eliminated on big-endian
395 br.many .L_first16 };;
397 { .mmi; $LDW X[ 3]=[input],4*$SZ
398 $LDW X[ 2]=[r8],4*$SZ
399 shrp X[15]=X[15],X[14],16 }
400 { .mmi; $LDW X[ 1]=[r9],4*$SZ
401 $LDW X[ 0]=[r10],4*$SZ
402 shrp X[14]=X[14],X[13],16 };;
403 { .mii; $LDW T1=[input]
404 shrp X[13]=X[13],X[12],16
405 shrp X[12]=X[12],X[11],16 }
406 { .mii; shrp X[11]=X[11],X[10],16
407 shrp X[10]=X[10],X[ 9],16 };;
408 { .mii; shrp X[ 9]=X[ 9],X[ 8],16
409 shrp X[ 8]=X[ 8],X[ 7],16 }
410 { .mii; shrp X[ 7]=X[ 7],X[ 6],16
411 shrp X[ 6]=X[ 6],X[ 5],16 }
412 { .mii; shrp X[ 5]=X[ 5],X[ 4],16
413 shrp X[ 4]=X[ 4],X[ 3],16 }
414 { .mii; shrp X[ 3]=X[ 3],X[ 2],16
415 shrp X[ 2]=X[ 2],X[ 1],16 }
416 { .mii; shrp X[ 1]=X[ 1],X[ 0],16
417 shrp X[ 0]=X[ 0],T1,16 }
419 mux1 X[15]=X[15],\@rev // eliminated on big-endian
420 br.many .L_first16 };;
422 { .mmi; $LDW X[ 1]=[r9],4*$SZ
423 $LDW X[ 0]=[r10],4*$SZ
424 shrp X[15]=X[15],X[14],8 };;
425 { .mii; $LDW T1=[input]
426 shrp X[14]=X[14],X[13],8
427 shrp X[13]=X[13],X[12],8 }
428 { .mii; shrp X[12]=X[12],X[11],8
429 shrp X[11]=X[11],X[10],8 };;
430 { .mii; shrp X[10]=X[10],X[ 9],8
431 shrp X[ 9]=X[ 9],X[ 8],8 }
432 { .mii; shrp X[ 8]=X[ 8],X[ 7],8
433 shrp X[ 7]=X[ 7],X[ 6],8 }
434 { .mii; shrp X[ 6]=X[ 6],X[ 5],8
435 shrp X[ 5]=X[ 5],X[ 4],8 }
436 { .mii; shrp X[ 4]=X[ 4],X[ 3],8
437 shrp X[ 3]=X[ 3],X[ 2],8 }
438 { .mii; shrp X[ 2]=X[ 2],X[ 1],8
439 shrp X[ 1]=X[ 1],X[ 0],8 }
440 { .mib; shrp X[ 0]=X[ 0],T1,8 }
442 mux1 X[15]=X[15],\@rev };; // eliminated on big-endian
446 { .mmi; $LDW K=[Ktbl],$SZ
447 add A=A,r8 // H+=Sigma(0) from the past
448 _rotr r10=$t1,$Sigma1[0] } // ROTR(e,14)
451 (p16) mux1 X[14]=X[14],\@rev };; // eliminated on big-endian
454 _rotr r11=$t1,$Sigma1[1] } // ROTR(e,41)
455 { .mmi; xor T1=T1,r8 // T1=((e & f) ^ (~e & g))
458 $t0="t0", $t1="t1", $code.=<<___ if ($BITS==32);
461 { .mmi; add A=A,r8 // H+=Sigma(0) from the past
463 add r11=3-$SZ,input };;
467 { .mmi; ld1 r11=[r11]
471 dep X[15]=X[15],r9,8,8
472 mux2 $t0=A,0x44 };; // copy lower half to upper
475 dep r11=r10,r11,8,8 };;
478 dep X[15]=X[15],r11,16,16 };;
479 { .mmi; (p16) ld1 X[15-1]=[input],$SZ // prefetch
480 xor T1=T1,r8 // T1=((e & f) ^ (~e & g))
481 _rotr r10=$t1,$Sigma1[0] } // ROTR(e,14)
483 _rotr r11=$t1,$Sigma1[1] };; // ROTR(e,18)
486 { .mmi; add T1=T1,H // T1=Ch(e,f,g)+h
488 _rotr r11=$t1,$Sigma1[2] } // ROTR(e,41)
491 { .mmi; add T1=T1,K // T1+=K[i]+X[i]
492 xor T2=T2,r8 // T2=((a & b) ^ (a & c) ^ (b & c))
493 _rotr r8=$t0,$Sigma0[0] } // ROTR(a,28)
494 { .mmi; xor r11=r11,r10 // Sigma1(e)
495 _rotr r9=$t0,$Sigma0[1] };; // ROTR(a,34)
496 { .mmi; add T1=T1,r11 // T+=Sigma1(e)
498 _rotr r9=$t0,$Sigma0[2] };; // ROTR(a,39)
499 { .mmi; xor r8=r8,r9 // Sigma0(a)
501 mux2 H=X[15],0x44 } // mov H=X[15] in sha512
502 { .mib; (p16) add r9=1-$SZ,input // not used in sha512
503 add X[15]=T1,T2 // H=T1+Maj(a,b,c)
504 br.ctop.sptk .L_first16 };;
507 { .mib; mov ar.lc=$rounds-17
508 brp.loop.imp .L_rest,.L_rest_end-16 }
514 { .mmi; $LDW K=[Ktbl],$SZ
515 add A=A,r8 // H+=Sigma0(a) from the past
516 _rotr r8=X[15-1],$sigma0[0] } // ROTR(s0,1)
517 { .mmi; add X[15]=X[15],X[15-9] // X[i&0xF]+=X[(i+9)&0xF]
518 $SHRU s0=X[15-1],sgm0 };; // s0=X[(i+1)&0xF]>>7
520 _rotr r9=X[15-1],$sigma0[1] } // ROTR(s0,8)
521 { .mib; andcm r10=G,E
522 $SHRU s1=X[15-14],sgm1 };; // s1=X[(i+14)&0xF]>>6
523 // Pair of mmi; splits on Itanium 1 and prevents pipeline flush
524 // upon $SHRU output usage
525 { .mmi; xor T1=T1,r10 // T1=((e & f) ^ (~e & g))
527 _rotr r10=X[15-14],$sigma1[0] }// ROTR(s1,19)
530 _rotr r11=X[15-14],$sigma1[1] };;// ROTR(s1,61)
532 $t0="t0", $t1="t1", $code.=<<___ if ($BITS==32);
533 { .mib; xor s0=s0,r9 // s0=sigma0(X[(i+1)&0xF])
535 { .mib; xor r10=r11,r10
537 { .mii; xor s1=s1,r10 // s1=sigma1(X[(i+14)&0xF])
538 shrp r9=E,$t1,32+$Sigma1[0] // ROTR(e,14)
539 mux2 $t0=A,0x44 };; // copy lower half to upper
540 // Pair of mmi; splits on Itanium 1 and prevents pipeline flush
541 // upon mux2 output usage
543 shrp r8=E,$t1,32+$Sigma1[1]} // ROTR(e,18)
545 add T1=T1,H // T1=Ch(e,f,g)+h
548 $t0="A", $t1="E", $code.=<<___ if ($BITS==64);
549 { .mib; xor s0=s0,r9 // s0=sigma0(X[(i+1)&0xF])
550 _rotr r9=$t1,$Sigma1[0] } // ROTR(e,14)
551 { .mib; xor r10=r11,r10
553 { .mib; xor s1=s1,r10 // s1=sigma1(X[(i+14)&0xF])
554 _rotr r8=$t1,$Sigma1[1] } // ROTR(e,18)
556 add T1=T1,H };; // T1+=H
560 _rotr r8=$t1,$Sigma1[2] } // ROTR(e,41)
561 { .mib; xor T2=T2,r10 // T2=((a & b) ^ (a & c) ^ (b & c))
562 add X[15]=X[15],s0 };; // X[i]+=sigma0(X[i+1])
563 { .mmi; xor r9=r9,r8 // Sigma1(e)
564 add X[15]=X[15],s1 // X[i]+=sigma0(X[i+14])
565 _rotr r8=$t0,$Sigma0[0] };; // ROTR(a,28)
566 { .mmi; add K=K,X[15]
567 add T1=T1,r9 // T1+=Sigma1(e)
568 _rotr r9=$t0,$Sigma0[1] };; // ROTR(a,34)
569 { .mmi; add T1=T1,K // T1+=K[i]+X[i]
571 _rotr r9=$t0,$Sigma0[2] };; // ROTR(a,39)
573 mux2 H=X[15],0x44 } // mov H=X[15] in sha512
574 { .mib; xor r8=r8,r9 // Sigma0(a)
575 add X[15]=T1,T2 // H=T1+Maj(a,b,c)
576 br.ctop.sptk .L_rest };;
579 { .mmi; add A=A,r8 };; // H+=Sigma0(a) from the past
585 cmp.ltu p16,p0=1,num };;
589 { .mmb; add Ktbl=-$SZ*$rounds,Ktbl
591 (p16) br.dptk.many .L_outer };;
593 { .mib; add r8=0*$SZ,ctx
595 { .mib; add r10=2*$SZ,ctx
596 add r11=3*$SZ,ctx };;
597 { .mmi; $STW [r8]=A_,4*$SZ
600 { .mmi; $STW [r10]=C_,4*$SZ
602 mov pr=prsave,0x1ffff };;
605 { .mmb; $STW [r10]=G_
607 br.ret.sptk.many b0 };;
611 foreach(split($/,$code)) {
612 s/\`([^\`]*)\`/eval $1/gem;
613 s/_rotr(\s+)([^=]+)=([^,]+),([0-9]+)/shrp$1$2=$3,$3,$4/gm;
615 s/mux2(\s+)([^=]+)=([^,]+),\S+/mov$1 $2=$3/gm;
616 s/mux1(\s+)\S+/nop.i$1 0x0/gm if ($big_endian);
617 s/(shrp\s+X\[[^=]+)=([^,]+),([^,]+),([1-9]+)/$1=$3,$2,64-$4/gm
619 s/ld1(\s+)X\[\S+/nop.m$1 0x0/gm;
625 print<<___ if ($BITS==32);
628 K256: data4 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5
629 data4 0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5
630 data4 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3
631 data4 0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174
632 data4 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc
633 data4 0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da
634 data4 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7
635 data4 0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967
636 data4 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13
637 data4 0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85
638 data4 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3
639 data4 0xd192e819,0xd6990624,0xf40e3585,0x106aa070
640 data4 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5
641 data4 0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3
642 data4 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208
643 data4 0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
644 .size K256#,$SZ*$rounds
645 stringz "SHA256 block transform for IA64, CRYPTOGAMS by <appro\@openssl.org>"
647 print<<___ if ($BITS==64);
650 K512: data8 0x428a2f98d728ae22,0x7137449123ef65cd
651 data8 0xb5c0fbcfec4d3b2f,0xe9b5dba58189dbbc
652 data8 0x3956c25bf348b538,0x59f111f1b605d019
653 data8 0x923f82a4af194f9b,0xab1c5ed5da6d8118
654 data8 0xd807aa98a3030242,0x12835b0145706fbe
655 data8 0x243185be4ee4b28c,0x550c7dc3d5ffb4e2
656 data8 0x72be5d74f27b896f,0x80deb1fe3b1696b1
657 data8 0x9bdc06a725c71235,0xc19bf174cf692694
658 data8 0xe49b69c19ef14ad2,0xefbe4786384f25e3
659 data8 0x0fc19dc68b8cd5b5,0x240ca1cc77ac9c65
660 data8 0x2de92c6f592b0275,0x4a7484aa6ea6e483
661 data8 0x5cb0a9dcbd41fbd4,0x76f988da831153b5
662 data8 0x983e5152ee66dfab,0xa831c66d2db43210
663 data8 0xb00327c898fb213f,0xbf597fc7beef0ee4
664 data8 0xc6e00bf33da88fc2,0xd5a79147930aa725
665 data8 0x06ca6351e003826f,0x142929670a0e6e70
666 data8 0x27b70a8546d22ffc,0x2e1b21385c26c926
667 data8 0x4d2c6dfc5ac42aed,0x53380d139d95b3df
668 data8 0x650a73548baf63de,0x766a0abb3c77b2a8
669 data8 0x81c2c92e47edaee6,0x92722c851482353b
670 data8 0xa2bfe8a14cf10364,0xa81a664bbc423001
671 data8 0xc24b8b70d0f89791,0xc76c51a30654be30
672 data8 0xd192e819d6ef5218,0xd69906245565a910
673 data8 0xf40e35855771202a,0x106aa07032bbd1b8
674 data8 0x19a4c116b8d2d0c8,0x1e376c085141ab53
675 data8 0x2748774cdf8eeb99,0x34b0bcb5e19b48a8
676 data8 0x391c0cb3c5c95a63,0x4ed8aa4ae3418acb
677 data8 0x5b9cca4f7763e373,0x682e6ff3d6b2b8a3
678 data8 0x748f82ee5defb2fc,0x78a5636f43172f60
679 data8 0x84c87814a1f0ab72,0x8cc702081a6439ec
680 data8 0x90befffa23631e28,0xa4506cebde82bde9
681 data8 0xbef9a3f7b2c67915,0xc67178f2e372532b
682 data8 0xca273eceea26619c,0xd186b8c721c0c207
683 data8 0xeada7dd6cde0eb1e,0xf57d4f7fee6ed178
684 data8 0x06f067aa72176fba,0x0a637dc5a2c898a6
685 data8 0x113f9804bef90dae,0x1b710b35131c471b
686 data8 0x28db77f523047d84,0x32caab7b40c72493
687 data8 0x3c9ebe0a15c9bebc,0x431d67c49c100d4c
688 data8 0x4cc5d4becb3e42b6,0x597f299cfc657e2a
689 data8 0x5fcb6fab3ad6faec,0x6c44198c4a475817
690 .size K512#,$SZ*$rounds
691 stringz "SHA512 block transform for IA64, CRYPTOGAMS by <appro\@openssl.org>"