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authorSam Ravnborg <sam@ravnborg.org>2008-12-03 06:10:25 -0500
committerDavid S. Miller <davem@davemloft.net>2008-12-04 12:17:19 -0500
commit478b8fecda511942404ac232897a718cecd13e48 (patch)
treee022fce8ca92f93a000e1cd686255f0b126e9fd5 /arch/sparc/lib/U1memcpy.S
parent18269c0fd4db9bec2668f895f21d742486ccb90f (diff)
sparc,sparc64: unify lib/
o Renamed files in sparc64 to <name>_64.S when identical to sparc32 files. o iomap.c were equal for sparc32 and sparc64 o adjusted sparc/Makefile now we have only one lib/ Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/lib/U1memcpy.S')
-rw-r--r--arch/sparc/lib/U1memcpy.S563
1 files changed, 563 insertions, 0 deletions
diff --git a/arch/sparc/lib/U1memcpy.S b/arch/sparc/lib/U1memcpy.S
new file mode 100644
index 000000000000..bafd2fc07acb
--- /dev/null
+++ b/arch/sparc/lib/U1memcpy.S
@@ -0,0 +1,563 @@
1/* U1memcpy.S: UltraSPARC-I/II/IIi/IIe optimized memcpy.
2 *
3 * Copyright (C) 1997, 2004 David S. Miller (davem@redhat.com)
4 * Copyright (C) 1996, 1997, 1998, 1999 Jakub Jelinek (jj@ultra.linux.cz)
5 */
6
7#ifdef __KERNEL__
8#include <asm/visasm.h>
9#include <asm/asi.h>
10#define GLOBAL_SPARE g7
11#else
12#define GLOBAL_SPARE g5
13#define ASI_BLK_P 0xf0
14#define FPRS_FEF 0x04
15#ifdef MEMCPY_DEBUG
16#define VISEntry rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs; \
17 clr %g1; clr %g2; clr %g3; subcc %g0, %g0, %g0;
18#define VISExit and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
19#else
20#define VISEntry rd %fprs, %o5; wr %g0, FPRS_FEF, %fprs
21#define VISExit and %o5, FPRS_FEF, %o5; wr %o5, 0x0, %fprs
22#endif
23#endif
24
25#ifndef EX_LD
26#define EX_LD(x) x
27#endif
28
29#ifndef EX_ST
30#define EX_ST(x) x
31#endif
32
33#ifndef EX_RETVAL
34#define EX_RETVAL(x) x
35#endif
36
37#ifndef LOAD
38#define LOAD(type,addr,dest) type [addr], dest
39#endif
40
41#ifndef LOAD_BLK
42#define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_P, dest
43#endif
44
45#ifndef STORE
46#define STORE(type,src,addr) type src, [addr]
47#endif
48
49#ifndef STORE_BLK
50#define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_P
51#endif
52
53#ifndef FUNC_NAME
54#define FUNC_NAME memcpy
55#endif
56
57#ifndef PREAMBLE
58#define PREAMBLE
59#endif
60
61#ifndef XCC
62#define XCC xcc
63#endif
64
65#define FREG_FROB(f1, f2, f3, f4, f5, f6, f7, f8, f9) \
66 faligndata %f1, %f2, %f48; \
67 faligndata %f2, %f3, %f50; \
68 faligndata %f3, %f4, %f52; \
69 faligndata %f4, %f5, %f54; \
70 faligndata %f5, %f6, %f56; \
71 faligndata %f6, %f7, %f58; \
72 faligndata %f7, %f8, %f60; \
73 faligndata %f8, %f9, %f62;
74
75#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \
76 EX_LD(LOAD_BLK(%src, %fdest)); \
77 EX_ST(STORE_BLK(%fsrc, %dest)); \
78 add %src, 0x40, %src; \
79 subcc %len, 0x40, %len; \
80 be,pn %xcc, jmptgt; \
81 add %dest, 0x40, %dest; \
82
83#define LOOP_CHUNK1(src, dest, len, branch_dest) \
84 MAIN_LOOP_CHUNK(src, dest, f0, f48, len, branch_dest)
85#define LOOP_CHUNK2(src, dest, len, branch_dest) \
86 MAIN_LOOP_CHUNK(src, dest, f16, f48, len, branch_dest)
87#define LOOP_CHUNK3(src, dest, len, branch_dest) \
88 MAIN_LOOP_CHUNK(src, dest, f32, f48, len, branch_dest)
89
90#define DO_SYNC membar #Sync;
91#define STORE_SYNC(dest, fsrc) \
92 EX_ST(STORE_BLK(%fsrc, %dest)); \
93 add %dest, 0x40, %dest; \
94 DO_SYNC
95
96#define STORE_JUMP(dest, fsrc, target) \
97 EX_ST(STORE_BLK(%fsrc, %dest)); \
98 add %dest, 0x40, %dest; \
99 ba,pt %xcc, target; \
100 nop;
101
102#define FINISH_VISCHUNK(dest, f0, f1, left) \
103 subcc %left, 8, %left;\
104 bl,pn %xcc, 95f; \
105 faligndata %f0, %f1, %f48; \
106 EX_ST(STORE(std, %f48, %dest)); \
107 add %dest, 8, %dest;
108
109#define UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \
110 subcc %left, 8, %left; \
111 bl,pn %xcc, 95f; \
112 fsrc1 %f0, %f1;
113
114#define UNEVEN_VISCHUNK(dest, f0, f1, left) \
115 UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \
116 ba,a,pt %xcc, 93f;
117
118 .register %g2,#scratch
119 .register %g3,#scratch
120
121 .text
122 .align 64
123
124 .globl FUNC_NAME
125 .type FUNC_NAME,#function
126FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */
127 srlx %o2, 31, %g2
128 cmp %g2, 0
129 tne %xcc, 5
130 PREAMBLE
131 mov %o0, %o4
132 cmp %o2, 0
133 be,pn %XCC, 85f
134 or %o0, %o1, %o3
135 cmp %o2, 16
136 blu,a,pn %XCC, 80f
137 or %o3, %o2, %o3
138
139 cmp %o2, (5 * 64)
140 blu,pt %XCC, 70f
141 andcc %o3, 0x7, %g0
142
143 /* Clobbers o5/g1/g2/g3/g7/icc/xcc. */
144 VISEntry
145
146 /* Is 'dst' already aligned on an 64-byte boundary? */
147 andcc %o0, 0x3f, %g2
148 be,pt %XCC, 2f
149
150 /* Compute abs((dst & 0x3f) - 0x40) into %g2. This is the number
151 * of bytes to copy to make 'dst' 64-byte aligned. We pre-
152 * subtract this from 'len'.
153 */
154 sub %o0, %o1, %GLOBAL_SPARE
155 sub %g2, 0x40, %g2
156 sub %g0, %g2, %g2
157 sub %o2, %g2, %o2
158 andcc %g2, 0x7, %g1
159 be,pt %icc, 2f
160 and %g2, 0x38, %g2
161
1621: subcc %g1, 0x1, %g1
163 EX_LD(LOAD(ldub, %o1 + 0x00, %o3))
164 EX_ST(STORE(stb, %o3, %o1 + %GLOBAL_SPARE))
165 bgu,pt %XCC, 1b
166 add %o1, 0x1, %o1
167
168 add %o1, %GLOBAL_SPARE, %o0
169
1702: cmp %g2, 0x0
171 and %o1, 0x7, %g1
172 be,pt %icc, 3f
173 alignaddr %o1, %g0, %o1
174
175 EX_LD(LOAD(ldd, %o1, %f4))
1761: EX_LD(LOAD(ldd, %o1 + 0x8, %f6))
177 add %o1, 0x8, %o1
178 subcc %g2, 0x8, %g2
179 faligndata %f4, %f6, %f0
180 EX_ST(STORE(std, %f0, %o0))
181 be,pn %icc, 3f
182 add %o0, 0x8, %o0
183
184 EX_LD(LOAD(ldd, %o1 + 0x8, %f4))
185 add %o1, 0x8, %o1
186 subcc %g2, 0x8, %g2
187 faligndata %f6, %f4, %f0
188 EX_ST(STORE(std, %f0, %o0))
189 bne,pt %icc, 1b
190 add %o0, 0x8, %o0
191
192 /* Destination is 64-byte aligned. */
1933:
194 membar #LoadStore | #StoreStore | #StoreLoad
195
196 subcc %o2, 0x40, %GLOBAL_SPARE
197 add %o1, %g1, %g1
198 andncc %GLOBAL_SPARE, (0x40 - 1), %GLOBAL_SPARE
199 srl %g1, 3, %g2
200 sub %o2, %GLOBAL_SPARE, %g3
201 andn %o1, (0x40 - 1), %o1
202 and %g2, 7, %g2
203 andncc %g3, 0x7, %g3
204 fmovd %f0, %f2
205 sub %g3, 0x8, %g3
206 sub %o2, %GLOBAL_SPARE, %o2
207
208 add %g1, %GLOBAL_SPARE, %g1
209 subcc %o2, %g3, %o2
210
211 EX_LD(LOAD_BLK(%o1, %f0))
212 add %o1, 0x40, %o1
213 add %g1, %g3, %g1
214 EX_LD(LOAD_BLK(%o1, %f16))
215 add %o1, 0x40, %o1
216 sub %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE
217 EX_LD(LOAD_BLK(%o1, %f32))
218 add %o1, 0x40, %o1
219
220 /* There are 8 instances of the unrolled loop,
221 * one for each possible alignment of the
222 * source buffer. Each loop instance is 452
223 * bytes.
224 */
225 sll %g2, 3, %o3
226 sub %o3, %g2, %o3
227 sllx %o3, 4, %o3
228 add %o3, %g2, %o3
229 sllx %o3, 2, %g2
2301: rd %pc, %o3
231 add %o3, %lo(1f - 1b), %o3
232 jmpl %o3 + %g2, %g0
233 nop
234
235 .align 64
2361: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16)
237 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
238 FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32)
239 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
240 FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)
241 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
242 ba,pt %xcc, 1b+4
243 faligndata %f0, %f2, %f48
2441: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32)
245 STORE_SYNC(o0, f48)
246 FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)
247 STORE_JUMP(o0, f48, 40f)
2482: FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0)
249 STORE_SYNC(o0, f48)
250 FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16)
251 STORE_JUMP(o0, f48, 48f)
2523: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16)
253 STORE_SYNC(o0, f48)
254 FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32)
255 STORE_JUMP(o0, f48, 56f)
256
2571: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18)
258 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
259 FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34)
260 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
261 FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)
262 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
263 ba,pt %xcc, 1b+4
264 faligndata %f2, %f4, %f48
2651: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34)
266 STORE_SYNC(o0, f48)
267 FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)
268 STORE_JUMP(o0, f48, 41f)
2692: FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2)
270 STORE_SYNC(o0, f48)
271 FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18)
272 STORE_JUMP(o0, f48, 49f)
2733: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18)
274 STORE_SYNC(o0, f48)
275 FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34)
276 STORE_JUMP(o0, f48, 57f)
277
2781: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20)
279 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
280 FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36)
281 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
282 FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)
283 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
284 ba,pt %xcc, 1b+4
285 faligndata %f4, %f6, %f48
2861: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36)
287 STORE_SYNC(o0, f48)
288 FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)
289 STORE_JUMP(o0, f48, 42f)
2902: FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4)
291 STORE_SYNC(o0, f48)
292 FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20)
293 STORE_JUMP(o0, f48, 50f)
2943: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20)
295 STORE_SYNC(o0, f48)
296 FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36)
297 STORE_JUMP(o0, f48, 58f)
298
2991: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22)
300 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
301 FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38)
302 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
303 FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)
304 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
305 ba,pt %xcc, 1b+4
306 faligndata %f6, %f8, %f48
3071: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38)
308 STORE_SYNC(o0, f48)
309 FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)
310 STORE_JUMP(o0, f48, 43f)
3112: FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6)
312 STORE_SYNC(o0, f48)
313 FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22)
314 STORE_JUMP(o0, f48, 51f)
3153: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22)
316 STORE_SYNC(o0, f48)
317 FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38)
318 STORE_JUMP(o0, f48, 59f)
319
3201: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24)
321 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
322 FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40)
323 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
324 FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)
325 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
326 ba,pt %xcc, 1b+4
327 faligndata %f8, %f10, %f48
3281: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40)
329 STORE_SYNC(o0, f48)
330 FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)
331 STORE_JUMP(o0, f48, 44f)
3322: FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8)
333 STORE_SYNC(o0, f48)
334 FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24)
335 STORE_JUMP(o0, f48, 52f)
3363: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24)
337 STORE_SYNC(o0, f48)
338 FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40)
339 STORE_JUMP(o0, f48, 60f)
340
3411: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26)
342 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
343 FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42)
344 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
345 FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10)
346 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
347 ba,pt %xcc, 1b+4
348 faligndata %f10, %f12, %f48
3491: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42)
350 STORE_SYNC(o0, f48)
351 FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10)
352 STORE_JUMP(o0, f48, 45f)
3532: FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10)
354 STORE_SYNC(o0, f48)
355 FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26)
356 STORE_JUMP(o0, f48, 53f)
3573: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26)
358 STORE_SYNC(o0, f48)
359 FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42)
360 STORE_JUMP(o0, f48, 61f)
361
3621: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28)
363 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
364 FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44)
365 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
366 FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12)
367 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
368 ba,pt %xcc, 1b+4
369 faligndata %f12, %f14, %f48
3701: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44)
371 STORE_SYNC(o0, f48)
372 FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12)
373 STORE_JUMP(o0, f48, 46f)
3742: FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12)
375 STORE_SYNC(o0, f48)
376 FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28)
377 STORE_JUMP(o0, f48, 54f)
3783: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28)
379 STORE_SYNC(o0, f48)
380 FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44)
381 STORE_JUMP(o0, f48, 62f)
382
3831: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30)
384 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f)
385 FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
386 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f)
387 FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14)
388 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f)
389 ba,pt %xcc, 1b+4
390 faligndata %f14, %f16, %f48
3911: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
392 STORE_SYNC(o0, f48)
393 FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14)
394 STORE_JUMP(o0, f48, 47f)
3952: FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14)
396 STORE_SYNC(o0, f48)
397 FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30)
398 STORE_JUMP(o0, f48, 55f)
3993: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30)
400 STORE_SYNC(o0, f48)
401 FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46)
402 STORE_JUMP(o0, f48, 63f)
403
40440: FINISH_VISCHUNK(o0, f0, f2, g3)
40541: FINISH_VISCHUNK(o0, f2, f4, g3)
40642: FINISH_VISCHUNK(o0, f4, f6, g3)
40743: FINISH_VISCHUNK(o0, f6, f8, g3)
40844: FINISH_VISCHUNK(o0, f8, f10, g3)
40945: FINISH_VISCHUNK(o0, f10, f12, g3)
41046: FINISH_VISCHUNK(o0, f12, f14, g3)
41147: UNEVEN_VISCHUNK(o0, f14, f0, g3)
41248: FINISH_VISCHUNK(o0, f16, f18, g3)
41349: FINISH_VISCHUNK(o0, f18, f20, g3)
41450: FINISH_VISCHUNK(o0, f20, f22, g3)
41551: FINISH_VISCHUNK(o0, f22, f24, g3)
41652: FINISH_VISCHUNK(o0, f24, f26, g3)
41753: FINISH_VISCHUNK(o0, f26, f28, g3)
41854: FINISH_VISCHUNK(o0, f28, f30, g3)
41955: UNEVEN_VISCHUNK(o0, f30, f0, g3)
42056: FINISH_VISCHUNK(o0, f32, f34, g3)
42157: FINISH_VISCHUNK(o0, f34, f36, g3)
42258: FINISH_VISCHUNK(o0, f36, f38, g3)
42359: FINISH_VISCHUNK(o0, f38, f40, g3)
42460: FINISH_VISCHUNK(o0, f40, f42, g3)
42561: FINISH_VISCHUNK(o0, f42, f44, g3)
42662: FINISH_VISCHUNK(o0, f44, f46, g3)
42763: UNEVEN_VISCHUNK_LAST(o0, f46, f0, g3)
428
42993: EX_LD(LOAD(ldd, %o1, %f2))
430 add %o1, 8, %o1
431 subcc %g3, 8, %g3
432 faligndata %f0, %f2, %f8
433 EX_ST(STORE(std, %f8, %o0))
434 bl,pn %xcc, 95f
435 add %o0, 8, %o0
436 EX_LD(LOAD(ldd, %o1, %f0))
437 add %o1, 8, %o1
438 subcc %g3, 8, %g3
439 faligndata %f2, %f0, %f8
440 EX_ST(STORE(std, %f8, %o0))
441 bge,pt %xcc, 93b
442 add %o0, 8, %o0
443
44495: brz,pt %o2, 2f
445 mov %g1, %o1
446
4471: EX_LD(LOAD(ldub, %o1, %o3))
448 add %o1, 1, %o1
449 subcc %o2, 1, %o2
450 EX_ST(STORE(stb, %o3, %o0))
451 bne,pt %xcc, 1b
452 add %o0, 1, %o0
453
4542: membar #StoreLoad | #StoreStore
455 VISExit
456 retl
457 mov EX_RETVAL(%o4), %o0
458
459 .align 64
46070: /* 16 < len <= (5 * 64) */
461 bne,pn %XCC, 75f
462 sub %o0, %o1, %o3
463
46472: andn %o2, 0xf, %GLOBAL_SPARE
465 and %o2, 0xf, %o2
4661: EX_LD(LOAD(ldx, %o1 + 0x00, %o5))
467 EX_LD(LOAD(ldx, %o1 + 0x08, %g1))
468 subcc %GLOBAL_SPARE, 0x10, %GLOBAL_SPARE
469 EX_ST(STORE(stx, %o5, %o1 + %o3))
470 add %o1, 0x8, %o1
471 EX_ST(STORE(stx, %g1, %o1 + %o3))
472 bgu,pt %XCC, 1b
473 add %o1, 0x8, %o1
47473: andcc %o2, 0x8, %g0
475 be,pt %XCC, 1f
476 nop
477 EX_LD(LOAD(ldx, %o1, %o5))
478 sub %o2, 0x8, %o2
479 EX_ST(STORE(stx, %o5, %o1 + %o3))
480 add %o1, 0x8, %o1
4811: andcc %o2, 0x4, %g0
482 be,pt %XCC, 1f
483 nop
484 EX_LD(LOAD(lduw, %o1, %o5))
485 sub %o2, 0x4, %o2
486 EX_ST(STORE(stw, %o5, %o1 + %o3))
487 add %o1, 0x4, %o1
4881: cmp %o2, 0
489 be,pt %XCC, 85f
490 nop
491 ba,pt %xcc, 90f
492 nop
493
49475: andcc %o0, 0x7, %g1
495 sub %g1, 0x8, %g1
496 be,pn %icc, 2f
497 sub %g0, %g1, %g1
498 sub %o2, %g1, %o2
499
5001: EX_LD(LOAD(ldub, %o1, %o5))
501 subcc %g1, 1, %g1
502 EX_ST(STORE(stb, %o5, %o1 + %o3))
503 bgu,pt %icc, 1b
504 add %o1, 1, %o1
505
5062: add %o1, %o3, %o0
507 andcc %o1, 0x7, %g1
508 bne,pt %icc, 8f
509 sll %g1, 3, %g1
510
511 cmp %o2, 16
512 bgeu,pt %icc, 72b
513 nop
514 ba,a,pt %xcc, 73b
515
5168: mov 64, %o3
517 andn %o1, 0x7, %o1
518 EX_LD(LOAD(ldx, %o1, %g2))
519 sub %o3, %g1, %o3
520 andn %o2, 0x7, %GLOBAL_SPARE
521 sllx %g2, %g1, %g2
5221: EX_LD(LOAD(ldx, %o1 + 0x8, %g3))
523 subcc %GLOBAL_SPARE, 0x8, %GLOBAL_SPARE
524 add %o1, 0x8, %o1
525 srlx %g3, %o3, %o5
526 or %o5, %g2, %o5
527 EX_ST(STORE(stx, %o5, %o0))
528 add %o0, 0x8, %o0
529 bgu,pt %icc, 1b
530 sllx %g3, %g1, %g2
531
532 srl %g1, 3, %g1
533 andcc %o2, 0x7, %o2
534 be,pn %icc, 85f
535 add %o1, %g1, %o1
536 ba,pt %xcc, 90f
537 sub %o0, %o1, %o3
538
539 .align 64
54080: /* 0 < len <= 16 */
541 andcc %o3, 0x3, %g0
542 bne,pn %XCC, 90f
543 sub %o0, %o1, %o3
544
5451: EX_LD(LOAD(lduw, %o1, %g1))
546 subcc %o2, 4, %o2
547 EX_ST(STORE(stw, %g1, %o1 + %o3))
548 bgu,pt %XCC, 1b
549 add %o1, 4, %o1
550
55185: retl
552 mov EX_RETVAL(%o4), %o0
553
554 .align 32
55590: EX_LD(LOAD(ldub, %o1, %g1))
556 subcc %o2, 1, %o2
557 EX_ST(STORE(stb, %g1, %o1 + %o3))
558 bgu,pt %XCC, 90b
559 add %o1, 1, %o1
560 retl
561 mov EX_RETVAL(%o4), %o0
562
563 .size FUNC_NAME, .-FUNC_NAME
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-01 21:56:33 -0500