Commit | Line | Data |
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1da177e4 LT |
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 | ||
b445e26c | 90 | #define DO_SYNC membar #Sync; |
1da177e4 LT |
91 | #define STORE_SYNC(dest, fsrc) \ |
92 | EX_ST(STORE_BLK(%fsrc, %dest)); \ | |
b445e26c DM |
93 | add %dest, 0x40, %dest; \ |
94 | DO_SYNC | |
1da177e4 LT |
95 | |
96 | #define STORE_JUMP(dest, fsrc, target) \ | |
97 | EX_ST(STORE_BLK(%fsrc, %dest)); \ | |
98 | add %dest, 0x40, %dest; \ | |
b445e26c DM |
99 | ba,pt %xcc, target; \ |
100 | nop; | |
1da177e4 LT |
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; \ | |
6f1d827f | 112 | fsrc2 %f0, %f1; |
1da177e4 LT |
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 | |
126 | FUNC_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 | ||
162 | 1: 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 | ||
170 | 2: 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)) | |
176 | 1: 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. */ | |
193 | 3: | |
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 | |
6f1d827f | 204 | fsrc2 %f0, %f2 |
1da177e4 LT |
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 | |
230 | 1: rd %pc, %o3 | |
231 | add %o3, %lo(1f - 1b), %o3 | |
232 | jmpl %o3 + %g2, %g0 | |
233 | nop | |
234 | ||
235 | .align 64 | |
236 | 1: 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 | |
244 | 1: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) | |
b445e26c | 245 | STORE_SYNC(o0, f48) |
1da177e4 | 246 | FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) |
b445e26c | 247 | STORE_JUMP(o0, f48, 40f) |
1da177e4 | 248 | 2: FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) |
b445e26c | 249 | STORE_SYNC(o0, f48) |
1da177e4 | 250 | FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) |
b445e26c | 251 | STORE_JUMP(o0, f48, 48f) |
1da177e4 | 252 | 3: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) |
b445e26c | 253 | STORE_SYNC(o0, f48) |
1da177e4 | 254 | FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) |
b445e26c | 255 | STORE_JUMP(o0, f48, 56f) |
1da177e4 LT |
256 | |
257 | 1: 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 | |
265 | 1: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) | |
b445e26c | 266 | STORE_SYNC(o0, f48) |
1da177e4 | 267 | FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) |
b445e26c | 268 | STORE_JUMP(o0, f48, 41f) |
1da177e4 | 269 | 2: FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) |
b445e26c | 270 | STORE_SYNC(o0, f48) |
1da177e4 | 271 | FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) |
b445e26c | 272 | STORE_JUMP(o0, f48, 49f) |
1da177e4 | 273 | 3: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) |
b445e26c | 274 | STORE_SYNC(o0, f48) |
1da177e4 | 275 | FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) |
b445e26c | 276 | STORE_JUMP(o0, f48, 57f) |
1da177e4 LT |
277 | |
278 | 1: 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 | |
286 | 1: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) | |
b445e26c | 287 | STORE_SYNC(o0, f48) |
1da177e4 | 288 | FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) |
b445e26c | 289 | STORE_JUMP(o0, f48, 42f) |
1da177e4 | 290 | 2: FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) |
b445e26c | 291 | STORE_SYNC(o0, f48) |
1da177e4 | 292 | FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) |
b445e26c | 293 | STORE_JUMP(o0, f48, 50f) |
1da177e4 | 294 | 3: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) |
b445e26c | 295 | STORE_SYNC(o0, f48) |
1da177e4 | 296 | FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) |
b445e26c | 297 | STORE_JUMP(o0, f48, 58f) |
1da177e4 LT |
298 | |
299 | 1: 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 | |
307 | 1: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) | |
b445e26c | 308 | STORE_SYNC(o0, f48) |
1da177e4 | 309 | FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) |
b445e26c | 310 | STORE_JUMP(o0, f48, 43f) |
1da177e4 | 311 | 2: FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) |
b445e26c | 312 | STORE_SYNC(o0, f48) |
1da177e4 | 313 | FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) |
b445e26c | 314 | STORE_JUMP(o0, f48, 51f) |
1da177e4 | 315 | 3: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) |
b445e26c | 316 | STORE_SYNC(o0, f48) |
1da177e4 | 317 | FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) |
b445e26c | 318 | STORE_JUMP(o0, f48, 59f) |
1da177e4 LT |
319 | |
320 | 1: 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 | |
328 | 1: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) | |
b445e26c | 329 | STORE_SYNC(o0, f48) |
1da177e4 | 330 | FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) |
b445e26c | 331 | STORE_JUMP(o0, f48, 44f) |
1da177e4 | 332 | 2: FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) |
b445e26c | 333 | STORE_SYNC(o0, f48) |
1da177e4 | 334 | FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) |
b445e26c | 335 | STORE_JUMP(o0, f48, 52f) |
1da177e4 | 336 | 3: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) |
b445e26c | 337 | STORE_SYNC(o0, f48) |
1da177e4 | 338 | FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) |
b445e26c | 339 | STORE_JUMP(o0, f48, 60f) |
1da177e4 LT |
340 | |
341 | 1: 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 | |
349 | 1: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) | |
b445e26c | 350 | STORE_SYNC(o0, f48) |
1da177e4 | 351 | FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) |
b445e26c | 352 | STORE_JUMP(o0, f48, 45f) |
1da177e4 | 353 | 2: FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) |
b445e26c | 354 | STORE_SYNC(o0, f48) |
1da177e4 | 355 | FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) |
b445e26c | 356 | STORE_JUMP(o0, f48, 53f) |
1da177e4 | 357 | 3: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) |
b445e26c | 358 | STORE_SYNC(o0, f48) |
1da177e4 | 359 | FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) |
b445e26c | 360 | STORE_JUMP(o0, f48, 61f) |
1da177e4 LT |
361 | |
362 | 1: 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 | |
370 | 1: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) | |
b445e26c | 371 | STORE_SYNC(o0, f48) |
1da177e4 | 372 | FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) |
b445e26c | 373 | STORE_JUMP(o0, f48, 46f) |
1da177e4 | 374 | 2: FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) |
b445e26c | 375 | STORE_SYNC(o0, f48) |
1da177e4 | 376 | FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) |
b445e26c | 377 | STORE_JUMP(o0, f48, 54f) |
1da177e4 | 378 | 3: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) |
b445e26c | 379 | STORE_SYNC(o0, f48) |
1da177e4 | 380 | FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) |
b445e26c | 381 | STORE_JUMP(o0, f48, 62f) |
1da177e4 LT |
382 | |
383 | 1: 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 | |
391 | 1: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) | |
b445e26c | 392 | STORE_SYNC(o0, f48) |
1da177e4 | 393 | FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) |
b445e26c | 394 | STORE_JUMP(o0, f48, 47f) |
1da177e4 | 395 | 2: FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) |
b445e26c | 396 | STORE_SYNC(o0, f48) |
1da177e4 | 397 | FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) |
b445e26c | 398 | STORE_JUMP(o0, f48, 55f) |
1da177e4 | 399 | 3: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) |
b445e26c | 400 | STORE_SYNC(o0, f48) |
1da177e4 | 401 | FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) |
b445e26c | 402 | STORE_JUMP(o0, f48, 63f) |
1da177e4 LT |
403 | |
404 | 40: FINISH_VISCHUNK(o0, f0, f2, g3) | |
405 | 41: FINISH_VISCHUNK(o0, f2, f4, g3) | |
406 | 42: FINISH_VISCHUNK(o0, f4, f6, g3) | |
407 | 43: FINISH_VISCHUNK(o0, f6, f8, g3) | |
408 | 44: FINISH_VISCHUNK(o0, f8, f10, g3) | |
409 | 45: FINISH_VISCHUNK(o0, f10, f12, g3) | |
410 | 46: FINISH_VISCHUNK(o0, f12, f14, g3) | |
411 | 47: UNEVEN_VISCHUNK(o0, f14, f0, g3) | |
412 | 48: FINISH_VISCHUNK(o0, f16, f18, g3) | |
413 | 49: FINISH_VISCHUNK(o0, f18, f20, g3) | |
414 | 50: FINISH_VISCHUNK(o0, f20, f22, g3) | |
415 | 51: FINISH_VISCHUNK(o0, f22, f24, g3) | |
416 | 52: FINISH_VISCHUNK(o0, f24, f26, g3) | |
417 | 53: FINISH_VISCHUNK(o0, f26, f28, g3) | |
418 | 54: FINISH_VISCHUNK(o0, f28, f30, g3) | |
419 | 55: UNEVEN_VISCHUNK(o0, f30, f0, g3) | |
420 | 56: FINISH_VISCHUNK(o0, f32, f34, g3) | |
421 | 57: FINISH_VISCHUNK(o0, f34, f36, g3) | |
422 | 58: FINISH_VISCHUNK(o0, f36, f38, g3) | |
423 | 59: FINISH_VISCHUNK(o0, f38, f40, g3) | |
424 | 60: FINISH_VISCHUNK(o0, f40, f42, g3) | |
425 | 61: FINISH_VISCHUNK(o0, f42, f44, g3) | |
426 | 62: FINISH_VISCHUNK(o0, f44, f46, g3) | |
427 | 63: UNEVEN_VISCHUNK_LAST(o0, f46, f0, g3) | |
428 | ||
429 | 93: 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 | ||
444 | 95: brz,pt %o2, 2f | |
445 | mov %g1, %o1 | |
446 | ||
447 | 1: 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 | ||
454 | 2: membar #StoreLoad | #StoreStore | |
455 | VISExit | |
456 | retl | |
457 | mov EX_RETVAL(%o4), %o0 | |
458 | ||
459 | .align 64 | |
460 | 70: /* 16 < len <= (5 * 64) */ | |
461 | bne,pn %XCC, 75f | |
462 | sub %o0, %o1, %o3 | |
463 | ||
464 | 72: andn %o2, 0xf, %GLOBAL_SPARE | |
465 | and %o2, 0xf, %o2 | |
466 | 1: 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 | |
474 | 73: 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 | |
481 | 1: 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 | |
488 | 1: cmp %o2, 0 | |
489 | be,pt %XCC, 85f | |
490 | nop | |
491 | ba,pt %xcc, 90f | |
492 | nop | |
493 | ||
494 | 75: 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 | ||
500 | 1: 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 | ||
506 | 2: 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 | ||
516 | 8: 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 | |
522 | 1: 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 | |
540 | 80: /* 0 < len <= 16 */ | |
541 | andcc %o3, 0x3, %g0 | |
542 | bne,pn %XCC, 90f | |
543 | sub %o0, %o1, %o3 | |
544 | ||
545 | 1: 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 | ||
551 | 85: retl | |
552 | mov EX_RETVAL(%o4), %o0 | |
553 | ||
554 | .align 32 | |
555 | 90: 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 |