1/* Copy SIZE bytes from SRC to DEST.
2 For UltraSPARC.
3 Copyright (C) 1996-2024 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <sysdep.h>
21#include <asm/asi.h>
22#ifndef XCC
23#define USE_BPR
24 .register %g2, #scratch
25 .register %g3, #scratch
26 .register %g6, #scratch
27#define XCC xcc
28#endif
29#define FPRS_FEF 4
30
31#define FREG_FROB(f1, f2, f3, f4, f5, f6, f7, f8, f9) \
32 faligndata %f1, %f2, %f48; \
33 faligndata %f2, %f3, %f50; \
34 faligndata %f3, %f4, %f52; \
35 faligndata %f4, %f5, %f54; \
36 faligndata %f5, %f6, %f56; \
37 faligndata %f6, %f7, %f58; \
38 faligndata %f7, %f8, %f60; \
39 faligndata %f8, %f9, %f62;
40
41#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \
42 ldda [%src] %asi, %fdest; \
43 add %src, 0x40, %src; \
44 add %dest, 0x40, %dest; \
45 subcc %len, 0x40, %len; \
46 be,pn %xcc, jmptgt; \
47 stda %fsrc, [%dest - 0x40] %asi;
48
49#define LOOP_CHUNK1(src, dest, len, branch_dest) \
50 MAIN_LOOP_CHUNK(src, dest, f0, f48, len, branch_dest)
51#define LOOP_CHUNK2(src, dest, len, branch_dest) \
52 MAIN_LOOP_CHUNK(src, dest, f16, f48, len, branch_dest)
53#define LOOP_CHUNK3(src, dest, len, branch_dest) \
54 MAIN_LOOP_CHUNK(src, dest, f32, f48, len, branch_dest)
55
56#define STORE_SYNC(dest, fsrc) \
57 stda %fsrc, [%dest] %asi; \
58 add %dest, 0x40, %dest;
59
60#define STORE_JUMP(dest, fsrc, target) \
61 stda %fsrc, [%dest] %asi; \
62 add %dest, 0x40, %dest; \
63 ba,pt %xcc, target;
64
65#define VISLOOP_PAD nop; nop; nop; nop; \
66 nop; nop; nop; nop; \
67 nop; nop; nop; nop; \
68 nop; nop; nop;
69
70#define FINISH_VISCHUNK(dest, f0, f1, left) \
71 subcc %left, 8, %left; \
72 bl,pn %xcc, 205f; \
73 faligndata %f0, %f1, %f48; \
74 std %f48, [%dest]; \
75 add %dest, 8, %dest;
76
77#define UNEVEN_VISCHUNK(dest, f0, f1, left) \
78 subcc %left, 8, %left; \
79 bl,pn %xcc, 205f; \
80 fsrc2 %f0, %f1; \
81 ba,a,pt %xcc, 204f;
82
83 /* Macros for non-VIS memcpy code. */
84#define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3) \
85 ldx [%src + offset + 0x00], %t0; \
86 ldx [%src + offset + 0x08], %t1; \
87 ldx [%src + offset + 0x10], %t2; \
88 ldx [%src + offset + 0x18], %t3; \
89 stw %t0, [%dst + offset + 0x04]; \
90 srlx %t0, 32, %t0; \
91 stw %t0, [%dst + offset + 0x00]; \
92 stw %t1, [%dst + offset + 0x0c]; \
93 srlx %t1, 32, %t1; \
94 stw %t1, [%dst + offset + 0x08]; \
95 stw %t2, [%dst + offset + 0x14]; \
96 srlx %t2, 32, %t2; \
97 stw %t2, [%dst + offset + 0x10]; \
98 stw %t3, [%dst + offset + 0x1c]; \
99 srlx %t3, 32, %t3; \
100 stw %t3, [%dst + offset + 0x18];
101
102#define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \
103 ldx [%src + offset + 0x00], %t0; \
104 ldx [%src + offset + 0x08], %t1; \
105 ldx [%src + offset + 0x10], %t2; \
106 ldx [%src + offset + 0x18], %t3; \
107 stx %t0, [%dst + offset + 0x00]; \
108 stx %t1, [%dst + offset + 0x08]; \
109 stx %t2, [%dst + offset + 0x10]; \
110 stx %t3, [%dst + offset + 0x18]; \
111 ldx [%src + offset + 0x20], %t0; \
112 ldx [%src + offset + 0x28], %t1; \
113 ldx [%src + offset + 0x30], %t2; \
114 ldx [%src + offset + 0x38], %t3; \
115 stx %t0, [%dst + offset + 0x20]; \
116 stx %t1, [%dst + offset + 0x28]; \
117 stx %t2, [%dst + offset + 0x30]; \
118 stx %t3, [%dst + offset + 0x38];
119
120#define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \
121 ldx [%src - offset - 0x10], %t0; \
122 ldx [%src - offset - 0x08], %t1; \
123 stw %t0, [%dst - offset - 0x0c]; \
124 srlx %t0, 32, %t2; \
125 stw %t2, [%dst - offset - 0x10]; \
126 stw %t1, [%dst - offset - 0x04]; \
127 srlx %t1, 32, %t3; \
128 stw %t3, [%dst - offset - 0x08];
129
130#define MOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1) \
131 ldx [%src - offset - 0x10], %t0; \
132 ldx [%src - offset - 0x08], %t1; \
133 stx %t0, [%dst - offset - 0x10]; \
134 stx %t1, [%dst - offset - 0x08];
135
136 .text
137 .align 32
138ENTRY(__memcpy_large)
139200: be,pt %xcc, 201f /* CTI */
140 andcc %o0, 0x38, %g5 /* IEU1 Group */
141 mov 8, %g1 /* IEU0 */
142 sub %g1, %g2, %g2 /* IEU0 Group */
143 andcc %o0, 1, %g0 /* IEU1 */
144 be,pt %icc, 2f /* CTI */
145 sub %o2, %g2, %o2 /* IEU0 Group */
1461: ldub [%o1], %o5 /* Load Group */
147 add %o1, 1, %o1 /* IEU0 */
148 add %o0, 1, %o0 /* IEU1 */
149 subcc %g2, 1, %g2 /* IEU1 Group */
150 be,pn %xcc, 3f /* CTI */
151 stb %o5, [%o0 - 1] /* Store */
1522: ldub [%o1], %o5 /* Load Group */
153 add %o0, 2, %o0 /* IEU0 */
154 ldub [%o1 + 1], %g3 /* Load Group */
155 subcc %g2, 2, %g2 /* IEU1 Group */
156 stb %o5, [%o0 - 2] /* Store */
157 add %o1, 2, %o1 /* IEU0 */
158 bne,pt %xcc, 2b /* CTI Group */
159 stb %g3, [%o0 - 1] /* Store */
1603: andcc %o0, 0x38, %g5 /* IEU1 Group */
161201: be,pt %icc, 202f /* CTI */
162 mov 64, %g1 /* IEU0 */
163 fsrc2 %f0, %f2 /* FPU */
164 sub %g1, %g5, %g5 /* IEU0 Group */
165 alignaddr %o1, %g0, %g1 /* GRU Group */
166 ldd [%g1], %f4 /* Load Group */
167 sub %o2, %g5, %o2 /* IEU0 */
1681: ldd [%g1 + 0x8], %f6 /* Load Group */
169 add %g1, 0x8, %g1 /* IEU0 Group */
170 subcc %g5, 8, %g5 /* IEU1 */
171 faligndata %f4, %f6, %f0 /* GRU Group */
172 std %f0, [%o0] /* Store */
173 add %o1, 8, %o1 /* IEU0 Group */
174 be,pn %xcc, 202f /* CTI */
175 add %o0, 8, %o0 /* IEU1 */
176 ldd [%g1 + 0x8], %f4 /* Load Group */
177 add %g1, 8, %g1 /* IEU0 */
178 subcc %g5, 8, %g5 /* IEU1 */
179 faligndata %f6, %f4, %f0 /* GRU Group */
180 std %f0, [%o0] /* Store */
181 add %o1, 8, %o1 /* IEU0 */
182 bne,pt %xcc, 1b /* CTI Group */
183 add %o0, 8, %o0 /* IEU0 */
184202: membar #LoadStore | #StoreStore | #StoreLoad /* LSU Group */
185 wr %g0, ASI_BLK_P, %asi /* LSU Group */
186 subcc %o2, 0x40, %g6 /* IEU1 Group */
187 mov %o1, %g1 /* IEU0 */
188 andncc %g6, (0x40 - 1), %g6 /* IEU1 Group */
189 srl %g1, 3, %g2 /* IEU0 */
190 sub %o2, %g6, %g3 /* IEU0 Group */
191 andn %o1, (0x40 - 1), %o1 /* IEU1 */
192 and %g2, 7, %g2 /* IEU0 Group */
193 andncc %g3, 0x7, %g3 /* IEU1 */
194 fsrc2 %f0, %f2 /* FPU */
195 sub %g3, 0x10, %g3 /* IEU0 Group */
196 sub %o2, %g6, %o2 /* IEU1 */
197 alignaddr %g1, %g0, %g0 /* GRU Group */
198 add %g1, %g6, %g1 /* IEU0 Group */
199 subcc %o2, %g3, %o2 /* IEU1 */
200 ldda [%o1 + 0x00] %asi, %f0 /* LSU Group */
201 add %g1, %g3, %g1 /* IEU0 */
202 ldda [%o1 + 0x40] %asi, %f16 /* LSU Group */
203 sub %g6, 0x80, %g6 /* IEU0 */
204 ldda [%o1 + 0x80] %asi, %f32 /* LSU Group */
205 /* Clk1 Group 8-( */
206 /* Clk2 Group 8-( */
207 /* Clk3 Group 8-( */
208 /* Clk4 Group 8-( */
209203: rd %pc, %g5 /* PDU Group 8-( */
210 addcc %g5, %lo(300f - 203b), %g5 /* IEU1 Group */
211 sll %g2, 9, %g2 /* IEU0 */
212 jmpl %g5 + %g2, %g0 /* CTI Group brk forced*/
213 addcc %o1, 0xc0, %o1 /* IEU1 Group */
214
215 .align 512 /* OK, here comes the fun part... */
216300: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) LOOP_CHUNK1(o1, o0, g6, 301f)
217 FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) LOOP_CHUNK2(o1, o0, g6, 302f)
218 FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) LOOP_CHUNK3(o1, o0, g6, 303f)
219 b,pt %xcc, 300b+4; faligndata %f0, %f2, %f48
220301: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) STORE_SYNC(o0, f48) membar #Sync
221 FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) STORE_JUMP(o0, f48, 400f) membar #Sync
222302: FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) STORE_SYNC(o0, f48) membar #Sync
223 FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) STORE_JUMP(o0, f48, 416f) membar #Sync
224303: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) STORE_SYNC(o0, f48) membar #Sync
225 FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) STORE_JUMP(o0, f48, 432f) membar #Sync
226 VISLOOP_PAD
227310: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) LOOP_CHUNK1(o1, o0, g6, 311f)
228 FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) LOOP_CHUNK2(o1, o0, g6, 312f)
229 FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) LOOP_CHUNK3(o1, o0, g6, 313f)
230 b,pt %xcc, 310b+4; faligndata %f2, %f4, %f48
231311: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) STORE_SYNC(o0, f48) membar #Sync
232 FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) STORE_JUMP(o0, f48, 402f) membar #Sync
233312: FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) STORE_SYNC(o0, f48) membar #Sync
234 FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) STORE_JUMP(o0, f48, 418f) membar #Sync
235313: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) STORE_SYNC(o0, f48) membar #Sync
236 FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) STORE_JUMP(o0, f48, 434f) membar #Sync
237 VISLOOP_PAD
238320: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) LOOP_CHUNK1(o1, o0, g6, 321f)
239 FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) LOOP_CHUNK2(o1, o0, g6, 322f)
240 FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) LOOP_CHUNK3(o1, o0, g6, 323f)
241 b,pt %xcc, 320b+4; faligndata %f4, %f6, %f48
242321: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) STORE_SYNC(o0, f48) membar #Sync
243 FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) STORE_JUMP(o0, f48, 404f) membar #Sync
244322: FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) STORE_SYNC(o0, f48) membar #Sync
245 FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) STORE_JUMP(o0, f48, 420f) membar #Sync
246323: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) STORE_SYNC(o0, f48) membar #Sync
247 FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) STORE_JUMP(o0, f48, 436f) membar #Sync
248 VISLOOP_PAD
249330: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) LOOP_CHUNK1(o1, o0, g6, 331f)
250 FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) LOOP_CHUNK2(o1, o0, g6, 332f)
251 FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) LOOP_CHUNK3(o1, o0, g6, 333f)
252 b,pt %xcc, 330b+4; faligndata %f6, %f8, %f48
253331: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) STORE_SYNC(o0, f48) membar #Sync
254 FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) STORE_JUMP(o0, f48, 406f) membar #Sync
255332: FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) STORE_SYNC(o0, f48) membar #Sync
256 FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) STORE_JUMP(o0, f48, 422f) membar #Sync
257333: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) STORE_SYNC(o0, f48) membar #Sync
258 FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) STORE_JUMP(o0, f48, 438f) membar #Sync
259 VISLOOP_PAD
260340: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) LOOP_CHUNK1(o1, o0, g6, 341f)
261 FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) LOOP_CHUNK2(o1, o0, g6, 342f)
262 FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) LOOP_CHUNK3(o1, o0, g6, 343f)
263 b,pt %xcc, 340b+4; faligndata %f8, %f10, %f48
264341: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) STORE_SYNC(o0, f48) membar #Sync
265 FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) STORE_JUMP(o0, f48, 408f) membar #Sync
266342: FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) STORE_SYNC(o0, f48) membar #Sync
267 FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) STORE_JUMP(o0, f48, 424f) membar #Sync
268343: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) STORE_SYNC(o0, f48) membar #Sync
269 FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) STORE_JUMP(o0, f48, 440f) membar #Sync
270 VISLOOP_PAD
271350: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) LOOP_CHUNK1(o1, o0, g6, 351f)
272 FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) LOOP_CHUNK2(o1, o0, g6, 352f)
273 FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) LOOP_CHUNK3(o1, o0, g6, 353f)
274 b,pt %xcc, 350b+4; faligndata %f10, %f12, %f48
275351: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) STORE_SYNC(o0, f48) membar #Sync
276 FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) STORE_JUMP(o0, f48, 410f) membar #Sync
277352: FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) STORE_SYNC(o0, f48) membar #Sync
278 FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) STORE_JUMP(o0, f48, 426f) membar #Sync
279353: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) STORE_SYNC(o0, f48) membar #Sync
280 FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) STORE_JUMP(o0, f48, 442f) membar #Sync
281 VISLOOP_PAD
282360: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) LOOP_CHUNK1(o1, o0, g6, 361f)
283 FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) LOOP_CHUNK2(o1, o0, g6, 362f)
284 FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) LOOP_CHUNK3(o1, o0, g6, 363f)
285 b,pt %xcc, 360b+4; faligndata %f12, %f14, %f48
286361: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) STORE_SYNC(o0, f48) membar #Sync
287 FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) STORE_JUMP(o0, f48, 412f) membar #Sync
288362: FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) STORE_SYNC(o0, f48) membar #Sync
289 FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) STORE_JUMP(o0, f48, 428f) membar #Sync
290363: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) STORE_SYNC(o0, f48) membar #Sync
291 FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) STORE_JUMP(o0, f48, 444f) membar #Sync
292 VISLOOP_PAD
293370: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) LOOP_CHUNK1(o1, o0, g6, 371f)
294 FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) LOOP_CHUNK2(o1, o0, g6, 372f)
295 FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) LOOP_CHUNK3(o1, o0, g6, 373f)
296 b,pt %xcc, 370b+4; faligndata %f14, %f16, %f48
297371: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_SYNC(o0, f48) membar #Sync
298 FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) STORE_JUMP(o0, f48, 414f) membar #Sync
299372: FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) STORE_SYNC(o0, f48) membar #Sync
300 FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) STORE_JUMP(o0, f48, 430f) membar #Sync
301373: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) STORE_SYNC(o0, f48) membar #Sync
302 FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_JUMP(o0, f48, 446f) membar #Sync
303 VISLOOP_PAD
304400: FINISH_VISCHUNK(o0, f0, f2, g3)
305402: FINISH_VISCHUNK(o0, f2, f4, g3)
306404: FINISH_VISCHUNK(o0, f4, f6, g3)
307406: FINISH_VISCHUNK(o0, f6, f8, g3)
308408: FINISH_VISCHUNK(o0, f8, f10, g3)
309410: FINISH_VISCHUNK(o0, f10, f12, g3)
310412: FINISH_VISCHUNK(o0, f12, f14, g3)
311414: UNEVEN_VISCHUNK(o0, f14, f0, g3)
312416: FINISH_VISCHUNK(o0, f16, f18, g3)
313418: FINISH_VISCHUNK(o0, f18, f20, g3)
314420: FINISH_VISCHUNK(o0, f20, f22, g3)
315422: FINISH_VISCHUNK(o0, f22, f24, g3)
316424: FINISH_VISCHUNK(o0, f24, f26, g3)
317426: FINISH_VISCHUNK(o0, f26, f28, g3)
318428: FINISH_VISCHUNK(o0, f28, f30, g3)
319430: UNEVEN_VISCHUNK(o0, f30, f0, g3)
320432: FINISH_VISCHUNK(o0, f32, f34, g3)
321434: FINISH_VISCHUNK(o0, f34, f36, g3)
322436: FINISH_VISCHUNK(o0, f36, f38, g3)
323438: FINISH_VISCHUNK(o0, f38, f40, g3)
324440: FINISH_VISCHUNK(o0, f40, f42, g3)
325442: FINISH_VISCHUNK(o0, f42, f44, g3)
326444: FINISH_VISCHUNK(o0, f44, f46, g3)
327446: UNEVEN_VISCHUNK(o0, f46, f0, g3)
328204: ldd [%o1], %f2 /* Load Group */
329 add %o1, 8, %o1 /* IEU0 */
330 subcc %g3, 8, %g3 /* IEU1 */
331 faligndata %f0, %f2, %f8 /* GRU Group */
332 std %f8, [%o0] /* Store */
333 bl,pn %xcc, 205f /* CTI */
334 add %o0, 8, %o0 /* IEU0 Group */
335 ldd [%o1], %f0 /* Load Group */
336 add %o1, 8, %o1 /* IEU0 */
337 subcc %g3, 8, %g3 /* IEU1 */
338 faligndata %f2, %f0, %f8 /* GRU Group */
339 std %f8, [%o0] /* Store */
340 bge,pt %xcc, 204b /* CTI */
341 add %o0, 8, %o0 /* IEU0 Group */
342205: brz,pt %o2, 207f /* CTI Group */
343 mov %g1, %o1 /* IEU0 */
344206: ldub [%o1], %g5 /* LOAD */
345 add %o1, 1, %o1 /* IEU0 */
346 add %o0, 1, %o0 /* IEU1 */
347 subcc %o2, 1, %o2 /* IEU1 */
348 bne,pt %xcc, 206b /* CTI */
349 stb %g5, [%o0 - 1] /* Store Group */
350207: membar #StoreLoad | #StoreStore /* LSU Group */
351 wr %g0, FPRS_FEF, %fprs
352 retl
353 mov %g4, %o0
354
355208: andcc %o2, 1, %g0 /* IEU1 Group */
356 be,pt %icc, 2f+4 /* CTI */
3571: ldub [%o1], %g5 /* LOAD Group */
358 add %o1, 1, %o1 /* IEU0 */
359 add %o0, 1, %o0 /* IEU1 */
360 subcc %o2, 1, %o2 /* IEU1 Group */
361 be,pn %xcc, 209f /* CTI */
362 stb %g5, [%o0 - 1] /* Store */
3632: ldub [%o1], %g5 /* LOAD Group */
364 add %o0, 2, %o0 /* IEU0 */
365 ldub [%o1 + 1], %o5 /* LOAD Group */
366 add %o1, 2, %o1 /* IEU0 */
367 subcc %o2, 2, %o2 /* IEU1 Group */
368 stb %g5, [%o0 - 2] /* Store */
369 bne,pt %xcc, 2b /* CTI */
370 stb %o5, [%o0 - 1] /* Store */
371209: retl
372 mov %g4, %o0
373END(__memcpy_large)
374
375ENTRY(__mempcpy)
376 ba,pt %xcc, 210f
377 add %o0, %o2, %g4
378END(__mempcpy)
379
380 .align 32
381ENTRY(memcpy)
382 mov %o0, %g4 /* IEU0 Group */
383210:
384#ifndef USE_BPR
385 srl %o2, 0, %o2 /* IEU1 */
386#endif
387 brz,pn %o2, 209b /* CTI Group */
388218: cmp %o2, 15 /* IEU1 */
389 bleu,pn %xcc, 208b /* CTI Group */
390 cmp %o2, (64 * 6) /* IEU1 */
391 bgeu,pn %xcc, 200b /* CTI Group */
392 andcc %o0, 7, %g2 /* IEU1 */
393 sub %o0, %o1, %g5 /* IEU0 */
394 andcc %g5, 3, %o5 /* IEU1 Group */
395 bne,pn %xcc, 212f /* CTI */
396 andcc %o1, 3, %g0 /* IEU1 Group */
397 be,a,pt %xcc, 216f /* CTI */
398 andcc %o1, 4, %g0 /* IEU1 Group */
399 andcc %o1, 1, %g0 /* IEU1 Group */
400 be,pn %xcc, 4f /* CTI */
401 andcc %o1, 2, %g0 /* IEU1 Group */
402 ldub [%o1], %g2 /* Load Group */
403 add %o1, 1, %o1 /* IEU0 */
404 add %o0, 1, %o0 /* IEU1 */
405 sub %o2, 1, %o2 /* IEU0 Group */
406 bne,pn %xcc, 5f /* CTI Group */
407 stb %g2, [%o0 - 1] /* Store */
4084: lduh [%o1], %g2 /* Load Group */
409 add %o1, 2, %o1 /* IEU0 */
410 add %o0, 2, %o0 /* IEU1 */
411 sub %o2, 2, %o2 /* IEU0 */
412 sth %g2, [%o0 - 2] /* Store Group + bubble */
4135: andcc %o1, 4, %g0 /* IEU1 */
414216: be,a,pn %xcc, 2f /* CTI */
415 andcc %o2, -128, %g6 /* IEU1 Group */
416 lduw [%o1], %g5 /* Load Group */
417 add %o1, 4, %o1 /* IEU0 */
418 add %o0, 4, %o0 /* IEU1 */
419 sub %o2, 4, %o2 /* IEU0 Group */
420 stw %g5, [%o0 - 4] /* Store */
421 andcc %o2, -128, %g6 /* IEU1 Group */
4222: be,pn %xcc, 215f /* CTI */
423 andcc %o0, 4, %g0 /* IEU1 Group */
424 be,pn %xcc, 82f + 4 /* CTI Group */
4255: MOVE_BIGCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
426 MOVE_BIGCHUNK(o1, o0, 0x20, g1, g3, g5, o5)
427 MOVE_BIGCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
428 MOVE_BIGCHUNK(o1, o0, 0x60, g1, g3, g5, o5)
42935: subcc %g6, 128, %g6 /* IEU1 Group */
430 add %o1, 128, %o1 /* IEU0 */
431 bne,pt %xcc, 5b /* CTI */
432 add %o0, 128, %o0 /* IEU0 Group */
433215: andcc %o2, 0x70, %g6 /* IEU1 Group */
43441: be,pn %xcc, 80f /* CTI */
435 andcc %o2, 8, %g0 /* IEU1 Group */
436 /* Clk1 8-( */
437 /* Clk2 8-( */
438 /* Clk3 8-( */
439 /* Clk4 8-( */
44079: rd %pc, %o5 /* PDU Group */
441 sll %g6, 1, %g5 /* IEU0 Group */
442 add %o1, %g6, %o1 /* IEU1 */
443 sub %o5, %g5, %o5 /* IEU0 Group */
444 jmpl %o5 + %lo(80f - 79b), %g0 /* CTI Group brk forced*/
445 add %o0, %g6, %o0 /* IEU0 Group */
44636: MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g5, o5)
447 MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g5, o5)
448 MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g5, o5)
449 MOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g5, o5)
450 MOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g5, o5)
451 MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g5, o5)
452 MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g5, o5)
45380: be,pt %xcc, 81f /* CTI */
454 andcc %o2, 4, %g0 /* IEU1 */
455 ldx [%o1], %g2 /* Load Group */
456 add %o0, 8, %o0 /* IEU0 */
457 stw %g2, [%o0 - 0x4] /* Store Group */
458 add %o1, 8, %o1 /* IEU1 */
459 srlx %g2, 32, %g2 /* IEU0 Group */
460 stw %g2, [%o0 - 0x8] /* Store */
46181: be,pt %xcc, 1f /* CTI */
462 andcc %o2, 2, %g0 /* IEU1 Group */
463 lduw [%o1], %g2 /* Load Group */
464 add %o1, 4, %o1 /* IEU0 */
465 stw %g2, [%o0] /* Store Group */
466 add %o0, 4, %o0 /* IEU0 */
4671: be,pt %xcc, 1f /* CTI */
468 andcc %o2, 1, %g0 /* IEU1 Group */
469 lduh [%o1], %g2 /* Load Group */
470 add %o1, 2, %o1 /* IEU0 */
471 sth %g2, [%o0] /* Store Group */
472 add %o0, 2, %o0 /* IEU0 */
4731: be,pt %xcc, 211f /* CTI */
474 nop /* IEU1 */
475 ldub [%o1], %g2 /* Load Group */
476 stb %g2, [%o0] /* Store Group + bubble */
477211: retl
478 mov %g4, %o0
479
48082: MOVE_BIGALIGNCHUNK(o1, o0, 0x00, g1, g3, g5, o5)
481 MOVE_BIGALIGNCHUNK(o1, o0, 0x40, g1, g3, g5, o5)
48237: subcc %g6, 128, %g6 /* IEU1 Group */
483 add %o1, 128, %o1 /* IEU0 */
484 bne,pt %xcc, 82b /* CTI */
485 add %o0, 128, %o0 /* IEU0 Group */
486 andcc %o2, 0x70, %g6 /* IEU1 */
487 be,pn %xcc, 84f /* CTI */
488 andcc %o2, 8, %g0 /* IEU1 Group */
489 /* Clk1 8-( */
490 /* Clk2 8-( */
491 /* Clk3 8-( */
492 /* Clk4 8-( */
49383: rd %pc, %o5 /* PDU Group */
494 add %o1, %g6, %o1 /* IEU0 Group */
495 sub %o5, %g6, %o5 /* IEU1 */
496 jmpl %o5 + %lo(84f - 83b), %g0 /* CTI Group brk forced*/
497 add %o0, %g6, %o0 /* IEU0 Group */
49838: MOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3)
499 MOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3)
500 MOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3)
501 MOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3)
502 MOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3)
503 MOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3)
504 MOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3)
50584: be,pt %xcc, 85f /* CTI Group */
506 andcc %o2, 4, %g0 /* IEU1 */
507 ldx [%o1], %g2 /* Load Group */
508 add %o0, 8, %o0 /* IEU0 */
509 add %o1, 8, %o1 /* IEU0 Group */
510 stx %g2, [%o0 - 0x8] /* Store */
51185: be,pt %xcc, 1f /* CTI */
512 andcc %o2, 2, %g0 /* IEU1 Group */
513 lduw [%o1], %g2 /* Load Group */
514 add %o0, 4, %o0 /* IEU0 */
515 add %o1, 4, %o1 /* IEU0 Group */
516 stw %g2, [%o0 - 0x4] /* Store */
5171: be,pt %xcc, 1f /* CTI */
518 andcc %o2, 1, %g0 /* IEU1 Group */
519 lduh [%o1], %g2 /* Load Group */
520 add %o0, 2, %o0 /* IEU0 */
521 add %o1, 2, %o1 /* IEU0 Group */
522 sth %g2, [%o0 - 0x2] /* Store */
5231: be,pt %xcc, 1f /* CTI */
524 nop /* IEU0 Group */
525 ldub [%o1], %g2 /* Load Group */
526 stb %g2, [%o0] /* Store Group + bubble */
5271: retl
528 mov %g4, %o0
529
530212: brz,pt %g2, 2f /* CTI Group */
531 mov 8, %g1 /* IEU0 */
532 sub %g1, %g2, %g2 /* IEU0 Group */
533 sub %o2, %g2, %o2 /* IEU0 Group */
5341: ldub [%o1], %g5 /* Load Group */
535 add %o1, 1, %o1 /* IEU0 */
536 add %o0, 1, %o0 /* IEU1 */
537 subcc %g2, 1, %g2 /* IEU1 Group */
538 bne,pt %xcc, 1b /* CTI */
539 stb %g5, [%o0 - 1] /* Store */
5402: andn %o2, 7, %g5 /* IEU0 Group */
541 and %o2, 7, %o2 /* IEU1 */
542 fsrc2 %f0, %f2 /* FPU */
543 alignaddr %o1, %g0, %g1 /* GRU Group */
544 ldd [%g1], %f4 /* Load Group */
5451: ldd [%g1 + 0x8], %f6 /* Load Group */
546 add %g1, 0x8, %g1 /* IEU0 Group */
547 subcc %g5, 8, %g5 /* IEU1 */
548 faligndata %f4, %f6, %f0 /* GRU Group */
549 std %f0, [%o0] /* Store */
550 add %o1, 8, %o1 /* IEU0 Group */
551 be,pn %xcc, 213f /* CTI */
552 add %o0, 8, %o0 /* IEU1 */
553 ldd [%g1 + 0x8], %f4 /* Load Group */
554 add %g1, 8, %g1 /* IEU0 */
555 subcc %g5, 8, %g5 /* IEU1 */
556 faligndata %f6, %f4, %f0 /* GRU Group */
557 std %f0, [%o0] /* Store */
558 add %o1, 8, %o1 /* IEU0 */
559 bne,pn %xcc, 1b /* CTI Group */
560 add %o0, 8, %o0 /* IEU0 */
561213: brz,pn %o2, 214f /* CTI Group */
562 nop /* IEU0 */
563 ldub [%o1], %g5 /* LOAD */
564 add %o1, 1, %o1 /* IEU0 */
565 add %o0, 1, %o0 /* IEU1 */
566 subcc %o2, 1, %o2 /* IEU1 */
567 bne,pt %xcc, 206b /* CTI */
568 stb %g5, [%o0 - 1] /* Store Group */
569214: wr %g0, FPRS_FEF, %fprs
570 retl
571 mov %g4, %o0
572END(memcpy)
573
574libc_hidden_builtin_def (memcpy)
575
576libc_hidden_def (__mempcpy)
577weak_alias (__mempcpy, mempcpy)
578libc_hidden_builtin_def (mempcpy)
579

source code of glibc/sysdeps/sparc/sparc64/memcpy.S