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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.pl675
1 files changed, 0 insertions, 675 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 26c2685a72..0000000000
--- a/src/lib/libcrypto/bn/asm/bn-586.pl
+++ /dev/null
@@ -1,675 +0,0 @@
1#!/usr/local/bin/perl
2
3push(@INC,"perlasm","../../perlasm");
4require "x86asm.pl";
5
6&asm_init($ARGV[0],$0);
7
8$sse2=0;
9for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
10
11&external_label("OPENSSL_ia32cap_P") if ($sse2);
12
13&bn_mul_add_words("bn_mul_add_words");
14&bn_mul_words("bn_mul_words");
15&bn_sqr_words("bn_sqr_words");
16&bn_div_words("bn_div_words");
17&bn_add_words("bn_add_words");
18&bn_sub_words("bn_sub_words");
19&bn_sub_part_words("bn_sub_part_words");
20
21&asm_finish();
22
23sub bn_mul_add_words
24 {
25 local($name)=@_;
26
27 &function_begin($name,$sse2?"EXTRN\t_OPENSSL_ia32cap_P:DWORD":"");
28
29 &comment("");
30 $Low="eax";
31 $High="edx";
32 $a="ebx";
33 $w="ebp";
34 $r="edi";
35 $c="esi";
36
37 &xor($c,$c); # clear carry
38 &mov($r,&wparam(0)); #
39
40 &mov("ecx",&wparam(2)); #
41 &mov($a,&wparam(1)); #
42
43 &and("ecx",0xfffffff8); # num / 8
44 &mov($w,&wparam(3)); #
45
46 &push("ecx"); # Up the stack for a tmp variable
47
48 &jz(&label("maw_finish"));
49
50 if ($sse2) {
51 &picmeup("eax","OPENSSL_ia32cap_P");
52 &bt(&DWP(0,"eax"),26);
53 &jnc(&label("maw_loop"));
54
55 &movd("mm0",$w); # mm0 = w
56 &pxor("mm1","mm1"); # mm1 = carry_in
57
58 &set_label("maw_sse2_loop",0);
59 &movd("mm3",&DWP(0,$r,"",0)); # mm3 = r[0]
60 &paddq("mm1","mm3"); # mm1 = carry_in + r[0]
61 &movd("mm2",&DWP(0,$a,"",0)); # mm2 = a[0]
62 &pmuludq("mm2","mm0"); # mm2 = w*a[0]
63 &movd("mm4",&DWP(4,$a,"",0)); # mm4 = a[1]
64 &pmuludq("mm4","mm0"); # mm4 = w*a[1]
65 &movd("mm6",&DWP(8,$a,"",0)); # mm6 = a[2]
66 &pmuludq("mm6","mm0"); # mm6 = w*a[2]
67 &movd("mm7",&DWP(12,$a,"",0)); # mm7 = a[3]
68 &pmuludq("mm7","mm0"); # mm7 = w*a[3]
69 &paddq("mm1","mm2"); # mm1 = carry_in + r[0] + w*a[0]
70 &movd("mm3",&DWP(4,$r,"",0)); # mm3 = r[1]
71 &paddq("mm3","mm4"); # mm3 = r[1] + w*a[1]
72 &movd("mm5",&DWP(8,$r,"",0)); # mm5 = r[2]
73 &paddq("mm5","mm6"); # mm5 = r[2] + w*a[2]
74 &movd("mm4",&DWP(12,$r,"",0)); # mm4 = r[3]
75 &paddq("mm7","mm4"); # mm7 = r[3] + w*a[3]
76 &movd(&DWP(0,$r,"",0),"mm1");
77 &movd("mm2",&DWP(16,$a,"",0)); # mm2 = a[4]
78 &pmuludq("mm2","mm0"); # mm2 = w*a[4]
79 &psrlq("mm1",32); # mm1 = carry0
80 &movd("mm4",&DWP(20,$a,"",0)); # mm4 = a[5]
81 &pmuludq("mm4","mm0"); # mm4 = w*a[5]
82 &paddq("mm1","mm3"); # mm1 = carry0 + r[1] + w*a[1]
83 &movd("mm6",&DWP(24,$a,"",0)); # mm6 = a[6]
84 &pmuludq("mm6","mm0"); # mm6 = w*a[6]
85 &movd(&DWP(4,$r,"",0),"mm1");
86 &psrlq("mm1",32); # mm1 = carry1
87 &movd("mm3",&DWP(28,$a,"",0)); # mm3 = a[7]
88 &add($a,32);
89 &pmuludq("mm3","mm0"); # mm3 = w*a[7]
90 &paddq("mm1","mm5"); # mm1 = carry1 + r[2] + w*a[2]
91 &movd("mm5",&DWP(16,$r,"",0)); # mm5 = r[4]
92 &paddq("mm2","mm5"); # mm2 = r[4] + w*a[4]
93 &movd(&DWP(8,$r,"",0),"mm1");
94 &psrlq("mm1",32); # mm1 = carry2
95 &paddq("mm1","mm7"); # mm1 = carry2 + r[3] + w*a[3]
96 &movd("mm5",&DWP(20,$r,"",0)); # mm5 = r[5]
97 &paddq("mm4","mm5"); # mm4 = r[5] + w*a[5]
98 &movd(&DWP(12,$r,"",0),"mm1");
99 &psrlq("mm1",32); # mm1 = carry3
100 &paddq("mm1","mm2"); # mm1 = carry3 + r[4] + w*a[4]
101 &movd("mm5",&DWP(24,$r,"",0)); # mm5 = r[6]
102 &paddq("mm6","mm5"); # mm6 = r[6] + w*a[6]
103 &movd(&DWP(16,$r,"",0),"mm1");
104 &psrlq("mm1",32); # mm1 = carry4
105 &paddq("mm1","mm4"); # mm1 = carry4 + r[5] + w*a[5]
106 &movd("mm5",&DWP(28,$r,"",0)); # mm5 = r[7]
107 &paddq("mm3","mm5"); # mm3 = r[7] + w*a[7]
108 &movd(&DWP(20,$r,"",0),"mm1");
109 &psrlq("mm1",32); # mm1 = carry5
110 &paddq("mm1","mm6"); # mm1 = carry5 + r[6] + w*a[6]
111 &movd(&DWP(24,$r,"",0),"mm1");
112 &psrlq("mm1",32); # mm1 = carry6
113 &paddq("mm1","mm3"); # mm1 = carry6 + r[7] + w*a[7]
114 &movd(&DWP(28,$r,"",0),"mm1");
115 &add($r,32);
116 &psrlq("mm1",32); # mm1 = carry_out
117
118 &sub("ecx",8);
119 &jnz(&label("maw_sse2_loop"));
120
121 &movd($c,"mm1"); # c = carry_out
122 &emms();
123
124 &jmp(&label("maw_finish"));
125 }
126
127 &set_label("maw_loop",0);
128
129 &mov(&swtmp(0),"ecx"); #
130
131 for ($i=0; $i<32; $i+=4)
132 {
133 &comment("Round $i");
134
135 &mov("eax",&DWP($i,$a,"",0)); # *a
136 &mul($w); # *a * w
137 &add("eax",$c); # L(t)+= *r
138 &mov($c,&DWP($i,$r,"",0)); # L(t)+= *r
139 &adc("edx",0); # H(t)+=carry
140 &add("eax",$c); # L(t)+=c
141 &adc("edx",0); # H(t)+=carry
142 &mov(&DWP($i,$r,"",0),"eax"); # *r= L(t);
143 &mov($c,"edx"); # c= H(t);
144 }
145
146 &comment("");
147 &mov("ecx",&swtmp(0)); #
148 &add($a,32);
149 &add($r,32);
150 &sub("ecx",8);
151 &jnz(&label("maw_loop"));
152
153 &set_label("maw_finish",0);
154 &mov("ecx",&wparam(2)); # get num
155 &and("ecx",7);
156 &jnz(&label("maw_finish2")); # helps branch prediction
157 &jmp(&label("maw_end"));
158
159 &set_label("maw_finish2",1);
160 for ($i=0; $i<7; $i++)
161 {
162 &comment("Tail Round $i");
163 &mov("eax",&DWP($i*4,$a,"",0));# *a
164 &mul($w); # *a * w
165 &add("eax",$c); # L(t)+=c
166 &mov($c,&DWP($i*4,$r,"",0)); # L(t)+= *r
167 &adc("edx",0); # H(t)+=carry
168 &add("eax",$c);
169 &adc("edx",0); # H(t)+=carry
170 &dec("ecx") if ($i != 7-1);
171 &mov(&DWP($i*4,$r,"",0),"eax"); # *r= L(t);
172 &mov($c,"edx"); # c= H(t);
173 &jz(&label("maw_end")) if ($i != 7-1);
174 }
175 &set_label("maw_end",0);
176 &mov("eax",$c);
177
178 &pop("ecx"); # clear variable from
179
180 &function_end($name);
181 }
182
183sub bn_mul_words
184 {
185 local($name)=@_;
186
187 &function_begin($name,"");
188
189 &comment("");
190 $Low="eax";
191 $High="edx";
192 $a="ebx";
193 $w="ecx";
194 $r="edi";
195 $c="esi";
196 $num="ebp";
197
198 &xor($c,$c); # clear carry
199 &mov($r,&wparam(0)); #
200 &mov($a,&wparam(1)); #
201 &mov($num,&wparam(2)); #
202 &mov($w,&wparam(3)); #
203
204 &and($num,0xfffffff8); # num / 8
205 &jz(&label("mw_finish"));
206
207 &set_label("mw_loop",0);
208 for ($i=0; $i<32; $i+=4)
209 {
210 &comment("Round $i");
211
212 &mov("eax",&DWP($i,$a,"",0)); # *a
213 &mul($w); # *a * w
214 &add("eax",$c); # L(t)+=c
215 # XXX
216
217 &adc("edx",0); # H(t)+=carry
218 &mov(&DWP($i,$r,"",0),"eax"); # *r= L(t);
219
220 &mov($c,"edx"); # c= H(t);
221 }
222
223 &comment("");
224 &add($a,32);
225 &add($r,32);
226 &sub($num,8);
227 &jz(&label("mw_finish"));
228 &jmp(&label("mw_loop"));
229
230 &set_label("mw_finish",0);
231 &mov($num,&wparam(2)); # get num
232 &and($num,7);
233 &jnz(&label("mw_finish2"));
234 &jmp(&label("mw_end"));
235
236 &set_label("mw_finish2",1);
237 for ($i=0; $i<7; $i++)
238 {
239 &comment("Tail Round $i");
240 &mov("eax",&DWP($i*4,$a,"",0));# *a
241 &mul($w); # *a * w
242 &add("eax",$c); # L(t)+=c
243 # XXX
244 &adc("edx",0); # H(t)+=carry
245 &mov(&DWP($i*4,$r,"",0),"eax");# *r= L(t);
246 &mov($c,"edx"); # c= H(t);
247 &dec($num) if ($i != 7-1);
248 &jz(&label("mw_end")) if ($i != 7-1);
249 }
250 &set_label("mw_end",0);
251 &mov("eax",$c);
252
253 &function_end($name);
254 }
255
256sub bn_sqr_words
257 {
258 local($name)=@_;
259
260 &function_begin($name,"");
261
262 &comment("");
263 $r="esi";
264 $a="edi";
265 $num="ebx";
266
267 &mov($r,&wparam(0)); #
268 &mov($a,&wparam(1)); #
269 &mov($num,&wparam(2)); #
270
271 &and($num,0xfffffff8); # num / 8
272 &jz(&label("sw_finish"));
273
274 &set_label("sw_loop",0);
275 for ($i=0; $i<32; $i+=4)
276 {
277 &comment("Round $i");
278 &mov("eax",&DWP($i,$a,"",0)); # *a
279 # XXX
280 &mul("eax"); # *a * *a
281 &mov(&DWP($i*2,$r,"",0),"eax"); #
282 &mov(&DWP($i*2+4,$r,"",0),"edx");#
283 }
284
285 &comment("");
286 &add($a,32);
287 &add($r,64);
288 &sub($num,8);
289 &jnz(&label("sw_loop"));
290
291 &set_label("sw_finish",0);
292 &mov($num,&wparam(2)); # get num
293 &and($num,7);
294 &jz(&label("sw_end"));
295
296 for ($i=0; $i<7; $i++)
297 {
298 &comment("Tail Round $i");
299 &mov("eax",&DWP($i*4,$a,"",0)); # *a
300 # XXX
301 &mul("eax"); # *a * *a
302 &mov(&DWP($i*8,$r,"",0),"eax"); #
303 &dec($num) if ($i != 7-1);
304 &mov(&DWP($i*8+4,$r,"",0),"edx");
305 &jz(&label("sw_end")) if ($i != 7-1);
306 }
307 &set_label("sw_end",0);
308
309 &function_end($name);
310 }
311
312sub bn_div_words
313 {
314 local($name)=@_;
315
316 &function_begin($name,"");
317 &mov("edx",&wparam(0)); #
318 &mov("eax",&wparam(1)); #
319 &mov("ebx",&wparam(2)); #
320 &div("ebx");
321 &function_end($name);
322 }
323
324sub bn_add_words
325 {
326 local($name)=@_;
327
328 &function_begin($name,"");
329
330 &comment("");
331 $a="esi";
332 $b="edi";
333 $c="eax";
334 $r="ebx";
335 $tmp1="ecx";
336 $tmp2="edx";
337 $num="ebp";
338
339 &mov($r,&wparam(0)); # get r
340 &mov($a,&wparam(1)); # get a
341 &mov($b,&wparam(2)); # get b
342 &mov($num,&wparam(3)); # get num
343 &xor($c,$c); # clear carry
344 &and($num,0xfffffff8); # num / 8
345
346 &jz(&label("aw_finish"));
347
348 &set_label("aw_loop",0);
349 for ($i=0; $i<8; $i++)
350 {
351 &comment("Round $i");
352
353 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
354 &mov($tmp2,&DWP($i*4,$b,"",0)); # *b
355 &add($tmp1,$c);
356 &mov($c,0);
357 &adc($c,$c);
358 &add($tmp1,$tmp2);
359 &adc($c,0);
360 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
361 }
362
363 &comment("");
364 &add($a,32);
365 &add($b,32);
366 &add($r,32);
367 &sub($num,8);
368 &jnz(&label("aw_loop"));
369
370 &set_label("aw_finish",0);
371 &mov($num,&wparam(3)); # get num
372 &and($num,7);
373 &jz(&label("aw_end"));
374
375 for ($i=0; $i<7; $i++)
376 {
377 &comment("Tail Round $i");
378 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
379 &mov($tmp2,&DWP($i*4,$b,"",0));# *b
380 &add($tmp1,$c);
381 &mov($c,0);
382 &adc($c,$c);
383 &add($tmp1,$tmp2);
384 &adc($c,0);
385 &dec($num) if ($i != 6);
386 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
387 &jz(&label("aw_end")) if ($i != 6);
388 }
389 &set_label("aw_end",0);
390
391# &mov("eax",$c); # $c is "eax"
392
393 &function_end($name);
394 }
395
396sub bn_sub_words
397 {
398 local($name)=@_;
399
400 &function_begin($name,"");
401
402 &comment("");
403 $a="esi";
404 $b="edi";
405 $c="eax";
406 $r="ebx";
407 $tmp1="ecx";
408 $tmp2="edx";
409 $num="ebp";
410
411 &mov($r,&wparam(0)); # get r
412 &mov($a,&wparam(1)); # get a
413 &mov($b,&wparam(2)); # get b
414 &mov($num,&wparam(3)); # get num
415 &xor($c,$c); # clear carry
416 &and($num,0xfffffff8); # num / 8
417
418 &jz(&label("aw_finish"));
419
420 &set_label("aw_loop",0);
421 for ($i=0; $i<8; $i++)
422 {
423 &comment("Round $i");
424
425 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
426 &mov($tmp2,&DWP($i*4,$b,"",0)); # *b
427 &sub($tmp1,$c);
428 &mov($c,0);
429 &adc($c,$c);
430 &sub($tmp1,$tmp2);
431 &adc($c,0);
432 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
433 }
434
435 &comment("");
436 &add($a,32);
437 &add($b,32);
438 &add($r,32);
439 &sub($num,8);
440 &jnz(&label("aw_loop"));
441
442 &set_label("aw_finish",0);
443 &mov($num,&wparam(3)); # get num
444 &and($num,7);
445 &jz(&label("aw_end"));
446
447 for ($i=0; $i<7; $i++)
448 {
449 &comment("Tail Round $i");
450 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
451 &mov($tmp2,&DWP($i*4,$b,"",0));# *b
452 &sub($tmp1,$c);
453 &mov($c,0);
454 &adc($c,$c);
455 &sub($tmp1,$tmp2);
456 &adc($c,0);
457 &dec($num) if ($i != 6);
458 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
459 &jz(&label("aw_end")) if ($i != 6);
460 }
461 &set_label("aw_end",0);
462
463# &mov("eax",$c); # $c is "eax"
464
465 &function_end($name);
466 }
467
468sub bn_sub_part_words
469 {
470 local($name)=@_;
471
472 &function_begin($name,"");
473
474 &comment("");
475 $a="esi";
476 $b="edi";
477 $c="eax";
478 $r="ebx";
479 $tmp1="ecx";
480 $tmp2="edx";
481 $num="ebp";
482
483 &mov($r,&wparam(0)); # get r
484 &mov($a,&wparam(1)); # get a
485 &mov($b,&wparam(2)); # get b
486 &mov($num,&wparam(3)); # get num
487 &xor($c,$c); # clear carry
488 &and($num,0xfffffff8); # num / 8
489
490 &jz(&label("aw_finish"));
491
492 &set_label("aw_loop",0);
493 for ($i=0; $i<8; $i++)
494 {
495 &comment("Round $i");
496
497 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
498 &mov($tmp2,&DWP($i*4,$b,"",0)); # *b
499 &sub($tmp1,$c);
500 &mov($c,0);
501 &adc($c,$c);
502 &sub($tmp1,$tmp2);
503 &adc($c,0);
504 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
505 }
506
507 &comment("");
508 &add($a,32);
509 &add($b,32);
510 &add($r,32);
511 &sub($num,8);
512 &jnz(&label("aw_loop"));
513
514 &set_label("aw_finish",0);
515 &mov($num,&wparam(3)); # get num
516 &and($num,7);
517 &jz(&label("aw_end"));
518
519 for ($i=0; $i<7; $i++)
520 {
521 &comment("Tail Round $i");
522 &mov($tmp1,&DWP(0,$a,"",0)); # *a
523 &mov($tmp2,&DWP(0,$b,"",0));# *b
524 &sub($tmp1,$c);
525 &mov($c,0);
526 &adc($c,$c);
527 &sub($tmp1,$tmp2);
528 &adc($c,0);
529 &mov(&DWP(0,$r,"",0),$tmp1); # *r
530 &add($a, 4);
531 &add($b, 4);
532 &add($r, 4);
533 &dec($num) if ($i != 6);
534 &jz(&label("aw_end")) if ($i != 6);
535 }
536 &set_label("aw_end",0);
537
538 &cmp(&wparam(4),0);
539 &je(&label("pw_end"));
540
541 &mov($num,&wparam(4)); # get dl
542 &cmp($num,0);
543 &je(&label("pw_end"));
544 &jge(&label("pw_pos"));
545
546 &comment("pw_neg");
547 &mov($tmp2,0);
548 &sub($tmp2,$num);
549 &mov($num,$tmp2);
550 &and($num,0xfffffff8); # num / 8
551 &jz(&label("pw_neg_finish"));
552
553 &set_label("pw_neg_loop",0);
554 for ($i=0; $i<8; $i++)
555 {
556 &comment("dl<0 Round $i");
557
558 &mov($tmp1,0);
559 &mov($tmp2,&DWP($i*4,$b,"",0)); # *b
560 &sub($tmp1,$c);
561 &mov($c,0);
562 &adc($c,$c);
563 &sub($tmp1,$tmp2);
564 &adc($c,0);
565 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
566 }
567
568 &comment("");
569 &add($b,32);
570 &add($r,32);
571 &sub($num,8);
572 &jnz(&label("pw_neg_loop"));
573
574 &set_label("pw_neg_finish",0);
575 &mov($tmp2,&wparam(4)); # get dl
576 &mov($num,0);
577 &sub($num,$tmp2);
578 &and($num,7);
579 &jz(&label("pw_end"));
580
581 for ($i=0; $i<7; $i++)
582 {
583 &comment("dl<0 Tail Round $i");
584 &mov($tmp1,0);
585 &mov($tmp2,&DWP($i*4,$b,"",0));# *b
586 &sub($tmp1,$c);
587 &mov($c,0);
588 &adc($c,$c);
589 &sub($tmp1,$tmp2);
590 &adc($c,0);
591 &dec($num) if ($i != 6);
592 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
593 &jz(&label("pw_end")) if ($i != 6);
594 }
595
596 &jmp(&label("pw_end"));
597
598 &set_label("pw_pos",0);
599
600 &and($num,0xfffffff8); # num / 8
601 &jz(&label("pw_pos_finish"));
602
603 &set_label("pw_pos_loop",0);
604
605 for ($i=0; $i<8; $i++)
606 {
607 &comment("dl>0 Round $i");
608
609 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
610 &sub($tmp1,$c);
611 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
612 &jnc(&label("pw_nc".$i));
613 }
614
615 &comment("");
616 &add($a,32);
617 &add($r,32);
618 &sub($num,8);
619 &jnz(&label("pw_pos_loop"));
620
621 &set_label("pw_pos_finish",0);
622 &mov($num,&wparam(4)); # get dl
623 &and($num,7);
624 &jz(&label("pw_end"));
625
626 for ($i=0; $i<7; $i++)
627 {
628 &comment("dl>0 Tail Round $i");
629 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
630 &sub($tmp1,$c);
631 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
632 &jnc(&label("pw_tail_nc".$i));
633 &dec($num) if ($i != 6);
634 &jz(&label("pw_end")) if ($i != 6);
635 }
636 &mov($c,1);
637 &jmp(&label("pw_end"));
638
639 &set_label("pw_nc_loop",0);
640 for ($i=0; $i<8; $i++)
641 {
642 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
643 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
644 &set_label("pw_nc".$i,0);
645 }
646
647 &comment("");
648 &add($a,32);
649 &add($r,32);
650 &sub($num,8);
651 &jnz(&label("pw_nc_loop"));
652
653 &mov($num,&wparam(4)); # get dl
654 &and($num,7);
655 &jz(&label("pw_nc_end"));
656
657 for ($i=0; $i<7; $i++)
658 {
659 &mov($tmp1,&DWP($i*4,$a,"",0)); # *a
660 &mov(&DWP($i*4,$r,"",0),$tmp1); # *r
661 &set_label("pw_tail_nc".$i,0);
662 &dec($num) if ($i != 6);
663 &jz(&label("pw_nc_end")) if ($i != 6);
664 }
665
666 &set_label("pw_nc_end",0);
667 &mov($c,0);
668
669 &set_label("pw_end",0);
670
671# &mov("eax",$c); # $c is "eax"
672
673 &function_end($name);
674 }
675
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-03 20:42:53 +0000