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Diffstat (limited to 'src/lib/libcrypto/bn/asm/bn-586.pl')
-rw-r--r--src/lib/libcrypto/bn/asm/bn-586.pl593
1 files changed, 0 insertions, 593 deletions
diff --git a/src/lib/libcrypto/bn/asm/bn-586.pl b/src/lib/libcrypto/bn/asm/bn-586.pl
deleted file mode 100644
index 33f6125920..0000000000
--- a/src/lib/libcrypto/bn/asm/bn-586.pl
+++ /dev/null
@@ -1,593 +0,0 @@
1#!/usr/local/bin/perl
2
3push(@INC,"perlasm","../../perlasm");
4require "x86asm.pl";
5
6&asm_init($ARGV[0],$0);
7
8&bn_mul_add_words("bn_mul_add_words");
9&bn_mul_words("bn_mul_words");
10&bn_sqr_words("bn_sqr_words");
11&bn_div_words("bn_div_words");
12&bn_add_words("bn_add_words");
13&bn_sub_words("bn_sub_words");
14&bn_sub_part_words("bn_sub_part_words");
15
16&asm_finish();
17
18sub bn_mul_add_words
19 {
20 local($name)=@_;
21
22 &function_begin($name,"");
23
24 &comment("");
25 $Low="eax";
26 $High="edx";
27 $a="ebx";
28 $w="ebp";
29 $r="edi";
30 $c="esi";
31
32 &xor($c,$c); # clear carry
33 &mov($r,&wparam(0)); #
34
35 &mov("ecx",&wparam(2)); #
36 &mov($a,&wparam(1)); #
37
38 &and("ecx",0xfffffff8); # num / 8
39 &mov($w,&wparam(3)); #
40
41 &push("ecx"); # Up the stack for a tmp variable
42
43 &jz(&label("maw_finish"));
44
45 &set_label("maw_loop",0);
46
47 &mov(&swtmp(0),"ecx"); #
48
49 for ($i=0; $i<32; $i+=4)
50 {
51 &comment("Round $i");
52
53 &mov("eax",&DWP($i,$a,"",0)); # *a
54 &mul($w); # *a * w
55 &add("eax",$c); # L(t)+= *r
56 &mov($c,&DWP($i,$r,"",0)); # L(t)+= *r
57 &adc("edx",0); # H(t)+=carry
58 &add("eax",$c); # L(t)+=c
59 &adc("edx",0); # H(t)+=carry
60 &mov(&DWP($i,$r,"",0),"eax"); # *r= L(t);
61 &mov($c,"edx"); # c= H(t);
62 }
63
64 &comment("");
65 &mov("ecx",&swtmp(0)); #
66 &add($a,32);
67 &add($r,32);
68 &sub("ecx",8);
69 &jnz(&label("maw_loop"));
70
71 &set_label("maw_finish",0);
72 &mov("ecx",&wparam(2)); # get num
73 &and("ecx",7);
74 &jnz(&label("maw_finish2")); # helps branch prediction
75 &jmp(&label("maw_end"));
76
77 &set_label("maw_finish2",1);
78 for ($i=0; $i<7; $i++)
79 {
80 &comment("Tail Round $i");
81 &mov("eax",&DWP($i*4,$a,"",0));# *a
82 &mul($w); # *a * w
83 &add("eax",$c); # L(t)+=c
84 &mov($c,&DWP($i*4,$r,"",0)); # L(t)+= *r
85 &adc("edx",0); # H(t)+=carry
86 &add("eax",$c);
87 &adc("edx",0); # H(t)+=carry
88 &dec("ecx") if ($i != 7-1);
89 &mov(&DWP($i*4,$r,"",0),"eax"); # *r= L(t);
90 &mov($c,"edx"); # c= H(t);
91 &jz(&label("maw_end")) if ($i != 7-1);
92 }
93 &set_label("maw_end",0);
94 &mov("eax",$c);
95
96 &pop("ecx"); # clear variable from
97
98 &function_end($name);
99 }
100
101sub bn_mul_words
102 {
103 local($name)=@_;
104
105 &function_begin($name,"");
106
107 &comment("");
108 $Low="eax";
109 $High="edx";
110 $a="ebx";
111 $w="ecx";
112 $r="edi";
113 $c="esi";
114 $num="ebp";
115
116 &xor($c,$c); # clear carry
117 &mov($r,&wparam(0)); #
118 &mov($a,&wparam(1)); #
119 &mov($num,&wparam(2)); #
120 &mov($w,&wparam(3)); #
121
122 &and($num,0xfffffff8); # num / 8
123 &jz(&label("mw_finish"));
124
125 &set_label("mw_loop",0);
126 for ($i=0; $i<32; $i+=4)
127 {
128 &comment("Round $i");
129
130 &mov("eax",&DWP($i,$a,"",0)); # *a
131 &mul($w); # *a * w
132 &add("eax",$c); # L(t)+=c
133 # XXX
134
135 &adc("edx",0); # H(t)+=carry
136 &mov(&DWP($i,$r,"",0),"eax"); # *r= L(t);
137
138 &mov($c,"edx"); # c= H(t);
139 }
140
141 &comment("");
142 &add($a,32);
143 &add($r,32);
144 &sub($num,8);
145 &jz(&label("mw_finish"));
146 &jmp(&label("mw_loop"));
147
148 &set_label("mw_finish",0);
149 &mov($num,&wparam(2)); # get num
150 &and($num,7);
151 &jnz(&label("mw_finish2"));
152 &jmp(&label("mw_end"));
153
154 &set_label("mw_finish2",1);
155 for ($i=0; $i<7; $i++)
156 {
157 &comment("Tail Round $i");
158 &mov("eax",&DWP($i*4,$a,"",0));# *a
159 &mul($w); # *a * w
160 &add("eax",$c); # L(t)+=c
161 # XXX
162 &adc("edx",0); # H(t)+=carry
163 &mov(&DWP($i*4,$r,"",0),"eax");# *r= L(t);
164 &mov($c,"edx"); # c= H(t);
165 &dec($num) if ($i != 7-1);
166 &jz(&label("mw_end")) if ($i != 7-1);
167 }
168 &set_label("mw_end",0);
169 &mov("eax",$c);
170
171 &function_end($name);
172 }
173
174sub bn_sqr_words
175 {
176 local($name)=@_;
177
178 &function_begin($name,"");
179
180 &comment("");
181 $r="esi";
182 $a="edi";
183 $num="ebx";
184
185 &mov($r,&wparam(0)); #
186 &mov($a,&wparam(1)); #
187 &mov($num,&wparam(2)); #
188
189 &and($num,0xfffffff8); # num / 8
190 &jz(&label("sw_finish"));
191
192 &set_label("sw_loop",0);
193 for ($i=0; $i<32; $i+=4)
194 {
195 &comment("Round $i");
196 &mov("eax",&DWP($i,$a,"",0)); # *a
197 # XXX
198 &mul("eax"); # *a * *a
199 &mov(&DWP($i*2,$r,"",0),"eax"); #
200 &mov(&DWP($i*2+4,$r,"",0),"edx");#
201 }
202
203 &comment("");
204 &add($a,32);
205 &add($r,64);
206 &sub($num,8);
207 &jnz(&label("sw_loop"));
208
209 &set_label("sw_finish",0);
210 &mov($num,&wparam(2)); # get num
211 &and($num,7);
212 &jz(&label("sw_end"));
213
214 for ($i=0; $i<7; $i++)
215 {
216 &comment("Tail Round $i");
217 &mov("eax",&DWP($i*4,$a,"",0)); # *a
218 # XXX
219 &mul("eax"); # *a * *a
220 &mov(&DWP($i*8,$r,"",0),"eax"); #
221 &dec($num) if ($i != 7-1);
222 &mov(&DWP($i*8+4,$r,"",0),"edx");
223 &jz(&label("sw_end")) if ($i != 7-1);
224 }
225 &set_label("sw_end",0);
226
227 &function_end($name);
228 }
229
230sub bn_div_words
231 {
232 local($name)=@_;
233
234 &function_begin($name,"");
235 &mov("edx",&wparam(0)); #
236 &mov("eax",&wparam(1)); #
237 &mov("ebx",&wparam(2)); #
238 &div("ebx");
239 &function_end($name);
240 }
241
242sub bn_add_words
243 {
244 local($name)=@_;
245
246 &function_begin($name,"");
247
248 &comment("");
249 $a="esi";
250 $b="edi";
251 $c="eax";
252 $r="ebx";
253 $tmp1="ecx";
254 $tmp2="edx";
255 $num="ebp";
256
257 &mov($r,&wparam(0)); # get r
258 &mov($a,&wparam(1)); # get a
259 &mov($b,&wparam(2)); # get b
260 &mov($num,&wparam(3)); # get num
261 &xor($c,$c); # clear carry
262 &and($num,0xfffffff8); # num / 8
263
264 &jz(&label("aw_finish"));
265
266 &set_label("aw_loop",0);
267 for ($i=0; $i<8; $i++)
268 {
269 &comment("Round $i");
270
271 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
272 &mov($tmp2,&DWP($i*4,$b,"",0)); # *b
273 &add($tmp1,$c);
274 &mov($c,0);
275 &adc($c,$c);
276 &add($tmp1,$tmp2);
277 &adc($c,0);
278 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
279 }
280
281 &comment("");
282 &add($a,32);
283 &add($b,32);
284 &add($r,32);
285 &sub($num,8);
286 &jnz(&label("aw_loop"));
287
288 &set_label("aw_finish",0);
289 &mov($num,&wparam(3)); # get num
290 &and($num,7);
291 &jz(&label("aw_end"));
292
293 for ($i=0; $i<7; $i++)
294 {
295 &comment("Tail Round $i");
296 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
297 &mov($tmp2,&DWP($i*4,$b,"",0));# *b
298 &add($tmp1,$c);
299 &mov($c,0);
300 &adc($c,$c);
301 &add($tmp1,$tmp2);
302 &adc($c,0);
303 &dec($num) if ($i != 6);
304 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
305 &jz(&label("aw_end")) if ($i != 6);
306 }
307 &set_label("aw_end",0);
308
309# &mov("eax",$c); # $c is "eax"
310
311 &function_end($name);
312 }
313
314sub bn_sub_words
315 {
316 local($name)=@_;
317
318 &function_begin($name,"");
319
320 &comment("");
321 $a="esi";
322 $b="edi";
323 $c="eax";
324 $r="ebx";
325 $tmp1="ecx";
326 $tmp2="edx";
327 $num="ebp";
328
329 &mov($r,&wparam(0)); # get r
330 &mov($a,&wparam(1)); # get a
331 &mov($b,&wparam(2)); # get b
332 &mov($num,&wparam(3)); # get num
333 &xor($c,$c); # clear carry
334 &and($num,0xfffffff8); # num / 8
335
336 &jz(&label("aw_finish"));
337
338 &set_label("aw_loop",0);
339 for ($i=0; $i<8; $i++)
340 {
341 &comment("Round $i");
342
343 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
344 &mov($tmp2,&DWP($i*4,$b,"",0)); # *b
345 &sub($tmp1,$c);
346 &mov($c,0);
347 &adc($c,$c);
348 &sub($tmp1,$tmp2);
349 &adc($c,0);
350 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
351 }
352
353 &comment("");
354 &add($a,32);
355 &add($b,32);
356 &add($r,32);
357 &sub($num,8);
358 &jnz(&label("aw_loop"));
359
360 &set_label("aw_finish",0);
361 &mov($num,&wparam(3)); # get num
362 &and($num,7);
363 &jz(&label("aw_end"));
364
365 for ($i=0; $i<7; $i++)
366 {
367 &comment("Tail Round $i");
368 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
369 &mov($tmp2,&DWP($i*4,$b,"",0));# *b
370 &sub($tmp1,$c);
371 &mov($c,0);
372 &adc($c,$c);
373 &sub($tmp1,$tmp2);
374 &adc($c,0);
375 &dec($num) if ($i != 6);
376 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
377 &jz(&label("aw_end")) if ($i != 6);
378 }
379 &set_label("aw_end",0);
380
381# &mov("eax",$c); # $c is "eax"
382
383 &function_end($name);
384 }
385
386sub bn_sub_part_words
387 {
388 local($name)=@_;
389
390 &function_begin($name,"");
391
392 &comment("");
393 $a="esi";
394 $b="edi";
395 $c="eax";
396 $r="ebx";
397 $tmp1="ecx";
398 $tmp2="edx";
399 $num="ebp";
400
401 &mov($r,&wparam(0)); # get r
402 &mov($a,&wparam(1)); # get a
403 &mov($b,&wparam(2)); # get b
404 &mov($num,&wparam(3)); # get num
405 &xor($c,$c); # clear carry
406 &and($num,0xfffffff8); # num / 8
407
408 &jz(&label("aw_finish"));
409
410 &set_label("aw_loop",0);
411 for ($i=0; $i<8; $i++)
412 {
413 &comment("Round $i");
414
415 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
416 &mov($tmp2,&DWP($i*4,$b,"",0)); # *b
417 &sub($tmp1,$c);
418 &mov($c,0);
419 &adc($c,$c);
420 &sub($tmp1,$tmp2);
421 &adc($c,0);
422 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
423 }
424
425 &comment("");
426 &add($a,32);
427 &add($b,32);
428 &add($r,32);
429 &sub($num,8);
430 &jnz(&label("aw_loop"));
431
432 &set_label("aw_finish",0);
433 &mov($num,&wparam(3)); # get num
434 &and($num,7);
435 &jz(&label("aw_end"));
436
437 for ($i=0; $i<7; $i++)
438 {
439 &comment("Tail Round $i");
440 &mov($tmp1,&DWP(0,$a,"",0)); # *a
441 &mov($tmp2,&DWP(0,$b,"",0));# *b
442 &sub($tmp1,$c);
443 &mov($c,0);
444 &adc($c,$c);
445 &sub($tmp1,$tmp2);
446 &adc($c,0);
447 &mov(&DWP(0,$r,"",0),$tmp1); # *r
448 &add($a, 4);
449 &add($b, 4);
450 &add($r, 4);
451 &dec($num) if ($i != 6);
452 &jz(&label("aw_end")) if ($i != 6);
453 }
454 &set_label("aw_end",0);
455
456 &cmp(&wparam(4),0);
457 &je(&label("pw_end"));
458
459 &mov($num,&wparam(4)); # get dl
460 &cmp($num,0);
461 &je(&label("pw_end"));
462 &jge(&label("pw_pos"));
463
464 &comment("pw_neg");
465 &mov($tmp2,0);
466 &sub($tmp2,$num);
467 &mov($num,$tmp2);
468 &and($num,0xfffffff8); # num / 8
469 &jz(&label("pw_neg_finish"));
470
471 &set_label("pw_neg_loop",0);
472 for ($i=0; $i<8; $i++)
473 {
474 &comment("dl<0 Round $i");
475
476 &mov($tmp1,0);
477 &mov($tmp2,&DWP($i*4,$b,"",0)); # *b
478 &sub($tmp1,$c);
479 &mov($c,0);
480 &adc($c,$c);
481 &sub($tmp1,$tmp2);
482 &adc($c,0);
483 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
484 }
485
486 &comment("");
487 &add($b,32);
488 &add($r,32);
489 &sub($num,8);
490 &jnz(&label("pw_neg_loop"));
491
492 &set_label("pw_neg_finish",0);
493 &mov($tmp2,&wparam(4)); # get dl
494 &mov($num,0);
495 &sub($num,$tmp2);
496 &and($num,7);
497 &jz(&label("pw_end"));
498
499 for ($i=0; $i<7; $i++)
500 {
501 &comment("dl<0 Tail Round $i");
502 &mov($tmp1,0);
503 &mov($tmp2,&DWP($i*4,$b,"",0));# *b
504 &sub($tmp1,$c);
505 &mov($c,0);
506 &adc($c,$c);
507 &sub($tmp1,$tmp2);
508 &adc($c,0);
509 &dec($num) if ($i != 6);
510 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
511 &jz(&label("pw_end")) if ($i != 6);
512 }
513
514 &jmp(&label("pw_end"));
515
516 &set_label("pw_pos",0);
517
518 &and($num,0xfffffff8); # num / 8
519 &jz(&label("pw_pos_finish"));
520
521 &set_label("pw_pos_loop",0);
522
523 for ($i=0; $i<8; $i++)
524 {
525 &comment("dl>0 Round $i");
526
527 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
528 &sub($tmp1,$c);
529 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
530 &jnc(&label("pw_nc".$i));
531 }
532
533 &comment("");
534 &add($a,32);
535 &add($r,32);
536 &sub($num,8);
537 &jnz(&label("pw_pos_loop"));
538
539 &set_label("pw_pos_finish",0);
540 &mov($num,&wparam(4)); # get dl
541 &and($num,7);
542 &jz(&label("pw_end"));
543
544 for ($i=0; $i<7; $i++)
545 {
546 &comment("dl>0 Tail Round $i");
547 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
548 &sub($tmp1,$c);
549 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
550 &jnc(&label("pw_tail_nc".$i));
551 &dec($num) if ($i != 6);
552 &jz(&label("pw_end")) if ($i != 6);
553 }
554 &mov($c,1);
555 &jmp(&label("pw_end"));
556
557 &set_label("pw_nc_loop",0);
558 for ($i=0; $i<8; $i++)
559 {
560 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
561 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
562 &set_label("pw_nc".$i,0);
563 }
564
565 &comment("");
566 &add($a,32);
567 &add($r,32);
568 &sub($num,8);
569 &jnz(&label("pw_nc_loop"));
570
571 &mov($num,&wparam(4)); # get dl
572 &and($num,7);
573 &jz(&label("pw_nc_end"));
574
575 for ($i=0; $i<7; $i++)
576 {
577 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
578 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
579 &set_label("pw_tail_nc".$i,0);
580 &dec($num) if ($i != 6);
581 &jz(&label("pw_nc_end")) if ($i != 6);
582 }
583
584 &set_label("pw_nc_end",0);
585 &mov($c,0);
586
587 &set_label("pw_end",0);
588
589# &mov("eax",$c); # $c is "eax"
590
591 &function_end($name);
592 }
593
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