1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* U1memcpy.S: UltraSPARC-I/II/IIi/IIe optimiz
3 *
4 * Copyright (C) 1997, 2004 David S. Miller (d
5 * Copyright (C) 1996, 1997, 1998, 1999 Jakub
6 */
7
8 #ifdef __KERNEL__
9 #include <linux/export.h>
10 #include <linux/linkage.h>
11 #include <asm/visasm.h>
12 #include <asm/asi.h>
13 #define GLOBAL_SPARE g7
14 #else
15 #define GLOBAL_SPARE g5
16 #define ASI_BLK_P 0xf0
17 #define FPRS_FEF 0x04
18 #ifdef MEMCPY_DEBUG
19 #define VISEntry rd %fprs, %o5; wr %g0, FPRS_F
20 clr %g1; clr %g2; clr %g3; su
21 #define VISExit and %o5, FPRS_FEF, %o5; wr %o5
22 #else
23 #define VISEntry rd %fprs, %o5; wr %g0, FPRS_F
24 #define VISExit and %o5, FPRS_FEF, %o5; wr %o5
25 #endif
26 #endif
27
28 #ifndef EX_LD
29 #define EX_LD(x,y) x
30 #endif
31 #ifndef EX_LD_FP
32 #define EX_LD_FP(x,y) x
33 #endif
34
35 #ifndef EX_ST
36 #define EX_ST(x,y) x
37 #endif
38 #ifndef EX_ST_FP
39 #define EX_ST_FP(x,y) x
40 #endif
41
42 #ifndef LOAD
43 #define LOAD(type,addr,dest) type [addr], d
44 #endif
45
46 #ifndef LOAD_BLK
47 #define LOAD_BLK(addr,dest) ldda [addr] AS
48 #endif
49
50 #ifndef STORE
51 #define STORE(type,src,addr) type src, [add
52 #endif
53
54 #ifndef STORE_BLK
55 #define STORE_BLK(src,addr) stda src, [add
56 #endif
57
58 #ifndef FUNC_NAME
59 #define FUNC_NAME memcpy
60 #endif
61
62 #ifndef PREAMBLE
63 #define PREAMBLE
64 #endif
65
66 #ifndef XCC
67 #define XCC xcc
68 #endif
69
70 #define FREG_FROB(f1, f2, f3, f4, f5, f6, f7,
71 faligndata %f1, %f2, %f48
72 faligndata %f2, %f3, %f50
73 faligndata %f3, %f4, %f52
74 faligndata %f4, %f5, %f54
75 faligndata %f5, %f6, %f56
76 faligndata %f6, %f7, %f58
77 faligndata %f7, %f8, %f60
78 faligndata %f8, %f9, %f62
79
80 #define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc
81 EX_LD_FP(LOAD_BLK(%src, %fdest), U1_gs
82 EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_g
83 add %src, 0x40, %s
84 subcc %GLOBAL_SPARE,
85 be,pn %xcc, jmptgt;
86 add %dest, 0x40, %
87
88 #define LOOP_CHUNK1(src, dest, branch_dest)
89 MAIN_LOOP_CHUNK(src, dest, f0, f48, b
90 #define LOOP_CHUNK2(src, dest, branch_dest)
91 MAIN_LOOP_CHUNK(src, dest, f16, f48, b
92 #define LOOP_CHUNK3(src, dest, branch_dest)
93 MAIN_LOOP_CHUNK(src, dest, f32, f48, b
94
95 #define DO_SYNC membar #Sync;
96 #define STORE_SYNC(dest, fsrc)
97 EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_g
98 add %dest, 0x40, %
99 DO_SYNC
100
101 #define STORE_JUMP(dest, fsrc, target)
102 EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_g
103 add %dest, 0x40, %
104 ba,pt %xcc, target;
105 nop;
106
107 #define FINISH_VISCHUNK(dest, f0, f1)
108 subcc %g3, 8, %g3;
109 bl,pn %xcc, 95f;
110 faligndata %f0, %f1, %f48
111 EX_ST_FP(STORE(std, %f48, %dest), U1_g
112 add %dest, 8, %des
113
114 #define UNEVEN_VISCHUNK_LAST(dest, f0, f1)
115 subcc %g3, 8, %g3;
116 bl,pn %xcc, 95f;
117 fsrc2 %f0, %f1;
118
119 #define UNEVEN_VISCHUNK(dest, f0, f1)
120 UNEVEN_VISCHUNK_LAST(dest, f0, f1)
121 ba,a,pt %xcc, 93f;
122
123 .register %g2,#scratch
124 .register %g3,#scratch
125
126 .text
127 #ifndef EX_RETVAL
128 #define EX_RETVAL(x) x
129 ENTRY(U1_g1_1_fp)
130 VISExitHalf
131 add %g1, 1, %g1
132 add %g1, %g2, %g1
133 retl
134 add %g1, %o2, %o0
135 ENDPROC(U1_g1_1_fp)
136 ENTRY(U1_g2_0_fp)
137 VISExitHalf
138 retl
139 add %g2, %o2, %o0
140 ENDPROC(U1_g2_0_fp)
141 ENTRY(U1_g2_8_fp)
142 VISExitHalf
143 add %g2, 8, %g2
144 retl
145 add %g2, %o2, %o0
146 ENDPROC(U1_g2_8_fp)
147 ENTRY(U1_gs_0_fp)
148 VISExitHalf
149 add %GLOBAL_SPARE, %g3, %o
150 retl
151 add %o0, %o2, %o0
152 ENDPROC(U1_gs_0_fp)
153 ENTRY(U1_gs_80_fp)
154 VISExitHalf
155 add %GLOBAL_SPARE, 0x80, %
156 add %GLOBAL_SPARE, %g3, %o
157 retl
158 add %o0, %o2, %o0
159 ENDPROC(U1_gs_80_fp)
160 ENTRY(U1_gs_40_fp)
161 VISExitHalf
162 add %GLOBAL_SPARE, 0x40, %
163 add %GLOBAL_SPARE, %g3, %o
164 retl
165 add %o0, %o2, %o0
166 ENDPROC(U1_gs_40_fp)
167 ENTRY(U1_g3_0_fp)
168 VISExitHalf
169 retl
170 add %g3, %o2, %o0
171 ENDPROC(U1_g3_0_fp)
172 ENTRY(U1_g3_8_fp)
173 VISExitHalf
174 add %g3, 8, %g3
175 retl
176 add %g3, %o2, %o0
177 ENDPROC(U1_g3_8_fp)
178 ENTRY(U1_o2_0_fp)
179 VISExitHalf
180 retl
181 mov %o2, %o0
182 ENDPROC(U1_o2_0_fp)
183 ENTRY(U1_o2_1_fp)
184 VISExitHalf
185 retl
186 add %o2, 1, %o0
187 ENDPROC(U1_o2_1_fp)
188 ENTRY(U1_gs_0)
189 VISExitHalf
190 retl
191 add %GLOBAL_SPARE, %o2, %o
192 ENDPROC(U1_gs_0)
193 ENTRY(U1_gs_8)
194 VISExitHalf
195 add %GLOBAL_SPARE, %o2, %G
196 retl
197 add %GLOBAL_SPARE, 0x8, %o
198 ENDPROC(U1_gs_8)
199 ENTRY(U1_gs_10)
200 VISExitHalf
201 add %GLOBAL_SPARE, %o2, %G
202 retl
203 add %GLOBAL_SPARE, 0x10, %
204 ENDPROC(U1_gs_10)
205 ENTRY(U1_o2_0)
206 retl
207 mov %o2, %o0
208 ENDPROC(U1_o2_0)
209 ENTRY(U1_o2_8)
210 retl
211 add %o2, 8, %o0
212 ENDPROC(U1_o2_8)
213 ENTRY(U1_o2_4)
214 retl
215 add %o2, 4, %o0
216 ENDPROC(U1_o2_4)
217 ENTRY(U1_o2_1)
218 retl
219 add %o2, 1, %o0
220 ENDPROC(U1_o2_1)
221 ENTRY(U1_g1_0)
222 retl
223 add %g1, %o2, %o0
224 ENDPROC(U1_g1_0)
225 ENTRY(U1_g1_1)
226 add %g1, 1, %g1
227 retl
228 add %g1, %o2, %o0
229 ENDPROC(U1_g1_1)
230 ENTRY(U1_gs_0_o2_adj)
231 and %o2, 7, %o2
232 retl
233 add %GLOBAL_SPARE, %o2, %o
234 ENDPROC(U1_gs_0_o2_adj)
235 ENTRY(U1_gs_8_o2_adj)
236 and %o2, 7, %o2
237 add %GLOBAL_SPARE, 8, %GLO
238 retl
239 add %GLOBAL_SPARE, %o2, %o
240 ENDPROC(U1_gs_8_o2_adj)
241 #endif
242
243 .align 64
244
245 .globl FUNC_NAME
246 .type FUNC_NAME,#function
247 FUNC_NAME: /* %o0=dst, %o1=src, %
248 srlx %o2, 31, %g2
249 cmp %g2, 0
250 tne %xcc, 5
251 PREAMBLE
252 mov %o0, %o4
253 cmp %o2, 0
254 be,pn %XCC, 85f
255 or %o0, %o1, %o3
256 cmp %o2, 16
257 blu,a,pn %XCC, 80f
258 or %o3, %o2, %o3
259
260 cmp %o2, (5 * 64)
261 blu,pt %XCC, 70f
262 andcc %o3, 0x7, %g0
263
264 /* Clobbers o5/g1/g2/g3/g7/icc/xcc. *
265 VISEntry
266
267 /* Is 'dst' already aligned on an 64-b
268 andcc %o0, 0x3f, %g2
269 be,pt %XCC, 2f
270
271 /* Compute abs((dst & 0x3f) - 0x40) in
272 * of bytes to copy to make 'dst' 64-b
273 * subtract this from 'len'.
274 */
275 sub %o0, %o1, %GLOBAL_SPAR
276 sub %g2, 0x40, %g2
277 sub %g0, %g2, %g2
278 sub %o2, %g2, %o2
279 andcc %g2, 0x7, %g1
280 be,pt %icc, 2f
281 and %g2, 0x38, %g2
282
283 1: subcc %g1, 0x1, %g1
284 EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3),
285 EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL
286 bgu,pt %XCC, 1b
287 add %o1, 0x1, %o1
288
289 add %o1, %GLOBAL_SPARE, %o
290
291 2: cmp %g2, 0x0
292 and %o1, 0x7, %g1
293 be,pt %icc, 3f
294 alignaddr %o1, %g0, %o1
295
296 EX_LD_FP(LOAD(ldd, %o1, %f4), U1_g2_0_
297 1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6), U1
298 add %o1, 0x8, %o1
299 subcc %g2, 0x8, %g2
300 faligndata %f4, %f6, %f0
301 EX_ST_FP(STORE(std, %f0, %o0), U1_g2_8
302 be,pn %icc, 3f
303 add %o0, 0x8, %o0
304
305 EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4), U1
306 add %o1, 0x8, %o1
307 subcc %g2, 0x8, %g2
308 faligndata %f6, %f4, %f0
309 EX_ST_FP(STORE(std, %f0, %o0), U1_g2_8
310 bne,pt %icc, 1b
311 add %o0, 0x8, %o0
312
313 /* Destination is 64-byte aligned. */
314 3:
315 membar #LoadStore | #StoreS
316
317 subcc %o2, 0x40, %GLOBAL_SPA
318 add %o1, %g1, %g1
319 andncc %GLOBAL_SPARE, (0x40 -
320 srl %g1, 3, %g2
321 sub %o2, %GLOBAL_SPARE, %g
322 andn %o1, (0x40 - 1), %o1
323 and %g2, 7, %g2
324 andncc %g3, 0x7, %g3
325 fsrc2 %f0, %f2
326 sub %g3, 0x8, %g3
327 sub %o2, %GLOBAL_SPARE, %o
328
329 add %g1, %GLOBAL_SPARE, %g
330 subcc %o2, %g3, %o2
331
332 EX_LD_FP(LOAD_BLK(%o1, %f0), U1_gs_0_f
333 add %o1, 0x40, %o1
334 add %g1, %g3, %g1
335 EX_LD_FP(LOAD_BLK(%o1, %f16), U1_gs_0_
336 add %o1, 0x40, %o1
337 sub %GLOBAL_SPARE, 0x80, %
338 EX_LD_FP(LOAD_BLK(%o1, %f32), U1_gs_80
339 add %o1, 0x40, %o1
340
341 /* There are 8 instances of the unroll
342 * one for each possible alignment of
343 * source buffer. Each loop instance
344 * bytes.
345 */
346 sll %g2, 3, %o3
347 sub %o3, %g2, %o3
348 sllx %o3, 4, %o3
349 add %o3, %g2, %o3
350 sllx %o3, 2, %g2
351 1: rd %pc, %o3
352 add %o3, %lo(1f - 1b), %o3
353 jmpl %o3 + %g2, %g0
354 nop
355
356 .align 64
357 1: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,
358 LOOP_CHUNK1(o1, o0, 1f)
359 FREG_FROB(f16,f18,f20,f22,f24,f26,f28,
360 LOOP_CHUNK2(o1, o0, 2f)
361 FREG_FROB(f32,f34,f36,f38,f40,f42,f44,
362 LOOP_CHUNK3(o1, o0, 3f)
363 ba,pt %xcc, 1b+4
364 faligndata %f0, %f2, %f48
365 1: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,
366 STORE_SYNC(o0, f48)
367 FREG_FROB(f32,f34,f36,f38,f40,f42,f44,
368 STORE_JUMP(o0, f48, 40f)
369 2: FREG_FROB(f32,f34,f36,f38,f40,f42,f44,
370 STORE_SYNC(o0, f48)
371 FREG_FROB(f0, f2, f4, f6, f8, f10,f12,
372 STORE_JUMP(o0, f48, 48f)
373 3: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,
374 STORE_SYNC(o0, f48)
375 FREG_FROB(f16,f18,f20,f22,f24,f26,f28,
376 STORE_JUMP(o0, f48, 56f)
377
378 1: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,
379 LOOP_CHUNK1(o1, o0, 1f)
380 FREG_FROB(f18,f20,f22,f24,f26,f28,f30,
381 LOOP_CHUNK2(o1, o0, 2f)
382 FREG_FROB(f34,f36,f38,f40,f42,f44,f46,
383 LOOP_CHUNK3(o1, o0, 3f)
384 ba,pt %xcc, 1b+4
385 faligndata %f2, %f4, %f48
386 1: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,
387 STORE_SYNC(o0, f48)
388 FREG_FROB(f34,f36,f38,f40,f42,f44,f46,
389 STORE_JUMP(o0, f48, 41f)
390 2: FREG_FROB(f34,f36,f38,f40,f42,f44,f46,
391 STORE_SYNC(o0, f48)
392 FREG_FROB(f2, f4, f6, f8, f10,f12,f14,
393 STORE_JUMP(o0, f48, 49f)
394 3: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,
395 STORE_SYNC(o0, f48)
396 FREG_FROB(f18,f20,f22,f24,f26,f28,f30,
397 STORE_JUMP(o0, f48, 57f)
398
399 1: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,
400 LOOP_CHUNK1(o1, o0, 1f)
401 FREG_FROB(f20,f22,f24,f26,f28,f30,f32,
402 LOOP_CHUNK2(o1, o0, 2f)
403 FREG_FROB(f36,f38,f40,f42,f44,f46,f0,
404 LOOP_CHUNK3(o1, o0, 3f)
405 ba,pt %xcc, 1b+4
406 faligndata %f4, %f6, %f48
407 1: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,
408 STORE_SYNC(o0, f48)
409 FREG_FROB(f36,f38,f40,f42,f44,f46,f0,
410 STORE_JUMP(o0, f48, 42f)
411 2: FREG_FROB(f36,f38,f40,f42,f44,f46,f0,
412 STORE_SYNC(o0, f48)
413 FREG_FROB(f4, f6, f8, f10,f12,f14,f16,
414 STORE_JUMP(o0, f48, 50f)
415 3: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,
416 STORE_SYNC(o0, f48)
417 FREG_FROB(f20,f22,f24,f26,f28,f30,f32,
418 STORE_JUMP(o0, f48, 58f)
419
420 1: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,
421 LOOP_CHUNK1(o1, o0, 1f)
422 FREG_FROB(f22,f24,f26,f28,f30,f32,f34,
423 LOOP_CHUNK2(o1, o0, 2f)
424 FREG_FROB(f38,f40,f42,f44,f46,f0, f2,
425 LOOP_CHUNK3(o1, o0, 3f)
426 ba,pt %xcc, 1b+4
427 faligndata %f6, %f8, %f48
428 1: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,
429 STORE_SYNC(o0, f48)
430 FREG_FROB(f38,f40,f42,f44,f46,f0, f2,
431 STORE_JUMP(o0, f48, 43f)
432 2: FREG_FROB(f38,f40,f42,f44,f46,f0, f2,
433 STORE_SYNC(o0, f48)
434 FREG_FROB(f6, f8, f10,f12,f14,f16,f18,
435 STORE_JUMP(o0, f48, 51f)
436 3: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,
437 STORE_SYNC(o0, f48)
438 FREG_FROB(f22,f24,f26,f28,f30,f32,f34,
439 STORE_JUMP(o0, f48, 59f)
440
441 1: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,
442 LOOP_CHUNK1(o1, o0, 1f)
443 FREG_FROB(f24,f26,f28,f30,f32,f34,f36,
444 LOOP_CHUNK2(o1, o0, 2f)
445 FREG_FROB(f40,f42,f44,f46,f0, f2, f4,
446 LOOP_CHUNK3(o1, o0, 3f)
447 ba,pt %xcc, 1b+4
448 faligndata %f8, %f10, %f48
449 1: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,
450 STORE_SYNC(o0, f48)
451 FREG_FROB(f40,f42,f44,f46,f0, f2, f4,
452 STORE_JUMP(o0, f48, 44f)
453 2: FREG_FROB(f40,f42,f44,f46,f0, f2, f4,
454 STORE_SYNC(o0, f48)
455 FREG_FROB(f8, f10,f12,f14,f16,f18,f20,
456 STORE_JUMP(o0, f48, 52f)
457 3: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,
458 STORE_SYNC(o0, f48)
459 FREG_FROB(f24,f26,f28,f30,f32,f34,f36,
460 STORE_JUMP(o0, f48, 60f)
461
462 1: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,
463 LOOP_CHUNK1(o1, o0, 1f)
464 FREG_FROB(f26,f28,f30,f32,f34,f36,f38,
465 LOOP_CHUNK2(o1, o0, 2f)
466 FREG_FROB(f42,f44,f46,f0, f2, f4, f6,
467 LOOP_CHUNK3(o1, o0, 3f)
468 ba,pt %xcc, 1b+4
469 faligndata %f10, %f12, %f48
470 1: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,
471 STORE_SYNC(o0, f48)
472 FREG_FROB(f42,f44,f46,f0, f2, f4, f6,
473 STORE_JUMP(o0, f48, 45f)
474 2: FREG_FROB(f42,f44,f46,f0, f2, f4, f6,
475 STORE_SYNC(o0, f48)
476 FREG_FROB(f10,f12,f14,f16,f18,f20,f22,
477 STORE_JUMP(o0, f48, 53f)
478 3: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,
479 STORE_SYNC(o0, f48)
480 FREG_FROB(f26,f28,f30,f32,f34,f36,f38,
481 STORE_JUMP(o0, f48, 61f)
482
483 1: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,
484 LOOP_CHUNK1(o1, o0, 1f)
485 FREG_FROB(f28,f30,f32,f34,f36,f38,f40,
486 LOOP_CHUNK2(o1, o0, 2f)
487 FREG_FROB(f44,f46,f0, f2, f4, f6, f8,
488 LOOP_CHUNK3(o1, o0, 3f)
489 ba,pt %xcc, 1b+4
490 faligndata %f12, %f14, %f48
491 1: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,
492 STORE_SYNC(o0, f48)
493 FREG_FROB(f44,f46,f0, f2, f4, f6, f8,
494 STORE_JUMP(o0, f48, 46f)
495 2: FREG_FROB(f44,f46,f0, f2, f4, f6, f8,
496 STORE_SYNC(o0, f48)
497 FREG_FROB(f12,f14,f16,f18,f20,f22,f24,
498 STORE_JUMP(o0, f48, 54f)
499 3: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,
500 STORE_SYNC(o0, f48)
501 FREG_FROB(f28,f30,f32,f34,f36,f38,f40,
502 STORE_JUMP(o0, f48, 62f)
503
504 1: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,
505 LOOP_CHUNK1(o1, o0, 1f)
506 FREG_FROB(f30,f32,f34,f36,f38,f40,f42,
507 LOOP_CHUNK2(o1, o0, 2f)
508 FREG_FROB(f46,f0, f2, f4, f6, f8, f10,
509 LOOP_CHUNK3(o1, o0, 3f)
510 ba,pt %xcc, 1b+4
511 faligndata %f14, %f16, %f48
512 1: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,
513 STORE_SYNC(o0, f48)
514 FREG_FROB(f46,f0, f2, f4, f6, f8, f10,
515 STORE_JUMP(o0, f48, 47f)
516 2: FREG_FROB(f46,f0, f2, f4, f6, f8, f10,
517 STORE_SYNC(o0, f48)
518 FREG_FROB(f14,f16,f18,f20,f22,f24,f26,
519 STORE_JUMP(o0, f48, 55f)
520 3: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,
521 STORE_SYNC(o0, f48)
522 FREG_FROB(f30,f32,f34,f36,f38,f40,f42,
523 STORE_JUMP(o0, f48, 63f)
524
525 40: FINISH_VISCHUNK(o0, f0, f2)
526 41: FINISH_VISCHUNK(o0, f2, f4)
527 42: FINISH_VISCHUNK(o0, f4, f6)
528 43: FINISH_VISCHUNK(o0, f6, f8)
529 44: FINISH_VISCHUNK(o0, f8, f10)
530 45: FINISH_VISCHUNK(o0, f10, f12)
531 46: FINISH_VISCHUNK(o0, f12, f14)
532 47: UNEVEN_VISCHUNK(o0, f14, f0)
533 48: FINISH_VISCHUNK(o0, f16, f18)
534 49: FINISH_VISCHUNK(o0, f18, f20)
535 50: FINISH_VISCHUNK(o0, f20, f22)
536 51: FINISH_VISCHUNK(o0, f22, f24)
537 52: FINISH_VISCHUNK(o0, f24, f26)
538 53: FINISH_VISCHUNK(o0, f26, f28)
539 54: FINISH_VISCHUNK(o0, f28, f30)
540 55: UNEVEN_VISCHUNK(o0, f30, f0)
541 56: FINISH_VISCHUNK(o0, f32, f34)
542 57: FINISH_VISCHUNK(o0, f34, f36)
543 58: FINISH_VISCHUNK(o0, f36, f38)
544 59: FINISH_VISCHUNK(o0, f38, f40)
545 60: FINISH_VISCHUNK(o0, f40, f42)
546 61: FINISH_VISCHUNK(o0, f42, f44)
547 62: FINISH_VISCHUNK(o0, f44, f46)
548 63: UNEVEN_VISCHUNK_LAST(o0, f46, f0)
549
550 93: EX_LD_FP(LOAD(ldd, %o1, %f2), U1_g3_0_
551 add %o1, 8, %o1
552 subcc %g3, 8, %g3
553 faligndata %f0, %f2, %f8
554 EX_ST_FP(STORE(std, %f8, %o0), U1_g3_8
555 bl,pn %xcc, 95f
556 add %o0, 8, %o0
557 EX_LD_FP(LOAD(ldd, %o1, %f0), U1_g3_0_
558 add %o1, 8, %o1
559 subcc %g3, 8, %g3
560 faligndata %f2, %f0, %f8
561 EX_ST_FP(STORE(std, %f8, %o0), U1_g3_8
562 bge,pt %xcc, 93b
563 add %o0, 8, %o0
564
565 95: brz,pt %o2, 2f
566 mov %g1, %o1
567
568 1: EX_LD_FP(LOAD(ldub, %o1, %o3), U1_o2_0
569 add %o1, 1, %o1
570 subcc %o2, 1, %o2
571 EX_ST_FP(STORE(stb, %o3, %o0), U1_o2_1
572 bne,pt %xcc, 1b
573 add %o0, 1, %o0
574
575 2: membar #StoreLoad | #StoreSto
576 VISExit
577 retl
578 mov EX_RETVAL(%o4), %o0
579
580 .align 64
581 70: /* 16 < len <= (5 * 64) */
582 bne,pn %XCC, 75f
583 sub %o0, %o1, %o3
584
585 72: andn %o2, 0xf, %GLOBAL_SPAR
586 and %o2, 0xf, %o2
587 1: EX_LD(LOAD(ldx, %o1 + 0x00, %o5), U1_g
588 EX_LD(LOAD(ldx, %o1 + 0x08, %g1), U1_g
589 subcc %GLOBAL_SPARE, 0x10, %
590 EX_ST(STORE(stx, %o5, %o1 + %o3), U1_g
591 add %o1, 0x8, %o1
592 EX_ST(STORE(stx, %g1, %o1 + %o3), U1_g
593 bgu,pt %XCC, 1b
594 add %o1, 0x8, %o1
595 73: andcc %o2, 0x8, %g0
596 be,pt %XCC, 1f
597 nop
598 EX_LD(LOAD(ldx, %o1, %o5), U1_o2_0)
599 sub %o2, 0x8, %o2
600 EX_ST(STORE(stx, %o5, %o1 + %o3), U1_o
601 add %o1, 0x8, %o1
602 1: andcc %o2, 0x4, %g0
603 be,pt %XCC, 1f
604 nop
605 EX_LD(LOAD(lduw, %o1, %o5), U1_o2_0)
606 sub %o2, 0x4, %o2
607 EX_ST(STORE(stw, %o5, %o1 + %o3), U1_o
608 add %o1, 0x4, %o1
609 1: cmp %o2, 0
610 be,pt %XCC, 85f
611 nop
612 ba,pt %xcc, 90f
613 nop
614
615 75: andcc %o0, 0x7, %g1
616 sub %g1, 0x8, %g1
617 be,pn %icc, 2f
618 sub %g0, %g1, %g1
619 sub %o2, %g1, %o2
620
621 1: EX_LD(LOAD(ldub, %o1, %o5), U1_g1_0)
622 subcc %g1, 1, %g1
623 EX_ST(STORE(stb, %o5, %o1 + %o3), U1_g
624 bgu,pt %icc, 1b
625 add %o1, 1, %o1
626
627 2: add %o1, %o3, %o0
628 andcc %o1, 0x7, %g1
629 bne,pt %icc, 8f
630 sll %g1, 3, %g1
631
632 cmp %o2, 16
633 bgeu,pt %icc, 72b
634 nop
635 ba,a,pt %xcc, 73b
636
637 8: mov 64, %o3
638 andn %o1, 0x7, %o1
639 EX_LD(LOAD(ldx, %o1, %g2), U1_o2_0)
640 sub %o3, %g1, %o3
641 andn %o2, 0x7, %GLOBAL_SPAR
642 sllx %g2, %g1, %g2
643 1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3), U1_gs
644 subcc %GLOBAL_SPARE, 0x8, %G
645 add %o1, 0x8, %o1
646 srlx %g3, %o3, %o5
647 or %o5, %g2, %o5
648 EX_ST(STORE(stx, %o5, %o0), U1_gs_8_o2
649 add %o0, 0x8, %o0
650 bgu,pt %icc, 1b
651 sllx %g3, %g1, %g2
652
653 srl %g1, 3, %g1
654 andcc %o2, 0x7, %o2
655 be,pn %icc, 85f
656 add %o1, %g1, %o1
657 ba,pt %xcc, 90f
658 sub %o0, %o1, %o3
659
660 .align 64
661 80: /* 0 < len <= 16 */
662 andcc %o3, 0x3, %g0
663 bne,pn %XCC, 90f
664 sub %o0, %o1, %o3
665
666 1: EX_LD(LOAD(lduw, %o1, %g1), U1_o2_0)
667 subcc %o2, 4, %o2
668 EX_ST(STORE(stw, %g1, %o1 + %o3), U1_o
669 bgu,pt %XCC, 1b
670 add %o1, 4, %o1
671
672 85: retl
673 mov EX_RETVAL(%o4), %o0
674
675 .align 32
676 90: EX_LD(LOAD(ldub, %o1, %g1), U1_o2_0)
677 subcc %o2, 1, %o2
678 EX_ST(STORE(stb, %g1, %o1 + %o3), U1_o
679 bgu,pt %XCC, 90b
680 add %o1, 1, %o1
681 retl
682 mov EX_RETVAL(%o4), %o0
683
684 .size FUNC_NAME, .-FUNC_NAME
685 EXPORT_SYMBOL(FUNC_NAME)
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