Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* memcpy.S: Sparc optimized memcpy and memmove code |
| 2 | * Hand optimized from GNU libc's memcpy and memmove |
| 3 | * Copyright (C) 1991,1996 Free Software Foundation |
| 4 | * Copyright (C) 1995 Linus Torvalds (Linus.Torvalds@helsinki.fi) |
| 5 | * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) |
| 6 | * Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be) |
| 7 | * Copyright (C) 1996 Jakub Jelinek (jj@sunsite.mff.cuni.cz) |
| 8 | */ |
| 9 | |
David S. Miller | 045b7de | 2011-10-19 15:15:58 -0700 | [diff] [blame] | 10 | #define FUNC(x) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | .globl x; \ |
| 12 | .type x,@function; \ |
David S. Miller | 045b7de | 2011-10-19 15:15:58 -0700 | [diff] [blame] | 13 | .align 4; \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | x: |
| 15 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | /* Both these macros have to start with exactly the same insn */ |
| 17 | #define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ |
| 18 | ldd [%src + (offset) + 0x00], %t0; \ |
| 19 | ldd [%src + (offset) + 0x08], %t2; \ |
| 20 | ldd [%src + (offset) + 0x10], %t4; \ |
| 21 | ldd [%src + (offset) + 0x18], %t6; \ |
| 22 | st %t0, [%dst + (offset) + 0x00]; \ |
| 23 | st %t1, [%dst + (offset) + 0x04]; \ |
| 24 | st %t2, [%dst + (offset) + 0x08]; \ |
| 25 | st %t3, [%dst + (offset) + 0x0c]; \ |
| 26 | st %t4, [%dst + (offset) + 0x10]; \ |
| 27 | st %t5, [%dst + (offset) + 0x14]; \ |
| 28 | st %t6, [%dst + (offset) + 0x18]; \ |
| 29 | st %t7, [%dst + (offset) + 0x1c]; |
| 30 | |
| 31 | #define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ |
| 32 | ldd [%src + (offset) + 0x00], %t0; \ |
| 33 | ldd [%src + (offset) + 0x08], %t2; \ |
| 34 | ldd [%src + (offset) + 0x10], %t4; \ |
| 35 | ldd [%src + (offset) + 0x18], %t6; \ |
| 36 | std %t0, [%dst + (offset) + 0x00]; \ |
| 37 | std %t2, [%dst + (offset) + 0x08]; \ |
| 38 | std %t4, [%dst + (offset) + 0x10]; \ |
| 39 | std %t6, [%dst + (offset) + 0x18]; |
| 40 | |
| 41 | #define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ |
| 42 | ldd [%src - (offset) - 0x10], %t0; \ |
| 43 | ldd [%src - (offset) - 0x08], %t2; \ |
| 44 | st %t0, [%dst - (offset) - 0x10]; \ |
| 45 | st %t1, [%dst - (offset) - 0x0c]; \ |
| 46 | st %t2, [%dst - (offset) - 0x08]; \ |
| 47 | st %t3, [%dst - (offset) - 0x04]; |
| 48 | |
| 49 | #define MOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \ |
| 50 | ldd [%src - (offset) - 0x10], %t0; \ |
| 51 | ldd [%src - (offset) - 0x08], %t2; \ |
| 52 | std %t0, [%dst - (offset) - 0x10]; \ |
| 53 | std %t2, [%dst - (offset) - 0x08]; |
| 54 | |
| 55 | #define MOVE_SHORTCHUNK(src, dst, offset, t0, t1) \ |
| 56 | ldub [%src - (offset) - 0x02], %t0; \ |
| 57 | ldub [%src - (offset) - 0x01], %t1; \ |
| 58 | stb %t0, [%dst - (offset) - 0x02]; \ |
| 59 | stb %t1, [%dst - (offset) - 0x01]; |
| 60 | |
| 61 | /* Both these macros have to start with exactly the same insn */ |
| 62 | #define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ |
| 63 | ldd [%src - (offset) - 0x20], %t0; \ |
| 64 | ldd [%src - (offset) - 0x18], %t2; \ |
| 65 | ldd [%src - (offset) - 0x10], %t4; \ |
| 66 | ldd [%src - (offset) - 0x08], %t6; \ |
| 67 | st %t0, [%dst - (offset) - 0x20]; \ |
| 68 | st %t1, [%dst - (offset) - 0x1c]; \ |
| 69 | st %t2, [%dst - (offset) - 0x18]; \ |
| 70 | st %t3, [%dst - (offset) - 0x14]; \ |
| 71 | st %t4, [%dst - (offset) - 0x10]; \ |
| 72 | st %t5, [%dst - (offset) - 0x0c]; \ |
| 73 | st %t6, [%dst - (offset) - 0x08]; \ |
| 74 | st %t7, [%dst - (offset) - 0x04]; |
| 75 | |
| 76 | #define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ |
| 77 | ldd [%src - (offset) - 0x20], %t0; \ |
| 78 | ldd [%src - (offset) - 0x18], %t2; \ |
| 79 | ldd [%src - (offset) - 0x10], %t4; \ |
| 80 | ldd [%src - (offset) - 0x08], %t6; \ |
| 81 | std %t0, [%dst - (offset) - 0x20]; \ |
| 82 | std %t2, [%dst - (offset) - 0x18]; \ |
| 83 | std %t4, [%dst - (offset) - 0x10]; \ |
| 84 | std %t6, [%dst - (offset) - 0x08]; |
| 85 | |
| 86 | #define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ |
| 87 | ldd [%src + (offset) + 0x00], %t0; \ |
| 88 | ldd [%src + (offset) + 0x08], %t2; \ |
| 89 | st %t0, [%dst + (offset) + 0x00]; \ |
| 90 | st %t1, [%dst + (offset) + 0x04]; \ |
| 91 | st %t2, [%dst + (offset) + 0x08]; \ |
| 92 | st %t3, [%dst + (offset) + 0x0c]; |
| 93 | |
| 94 | #define RMOVE_SHORTCHUNK(src, dst, offset, t0, t1) \ |
| 95 | ldub [%src + (offset) + 0x00], %t0; \ |
| 96 | ldub [%src + (offset) + 0x01], %t1; \ |
| 97 | stb %t0, [%dst + (offset) + 0x00]; \ |
| 98 | stb %t1, [%dst + (offset) + 0x01]; |
| 99 | |
| 100 | #define SMOVE_CHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ |
| 101 | ldd [%src + (offset) + 0x00], %t0; \ |
| 102 | ldd [%src + (offset) + 0x08], %t2; \ |
| 103 | srl %t0, shir, %t5; \ |
| 104 | srl %t1, shir, %t6; \ |
| 105 | sll %t0, shil, %t0; \ |
| 106 | or %t5, %prev, %t5; \ |
| 107 | sll %t1, shil, %prev; \ |
| 108 | or %t6, %t0, %t0; \ |
| 109 | srl %t2, shir, %t1; \ |
| 110 | srl %t3, shir, %t6; \ |
| 111 | sll %t2, shil, %t2; \ |
| 112 | or %t1, %prev, %t1; \ |
| 113 | std %t4, [%dst + (offset) + (offset2) - 0x04]; \ |
| 114 | std %t0, [%dst + (offset) + (offset2) + 0x04]; \ |
| 115 | sll %t3, shil, %prev; \ |
| 116 | or %t6, %t2, %t4; |
| 117 | |
| 118 | #define SMOVE_ALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ |
| 119 | ldd [%src + (offset) + 0x00], %t0; \ |
| 120 | ldd [%src + (offset) + 0x08], %t2; \ |
| 121 | srl %t0, shir, %t4; \ |
| 122 | srl %t1, shir, %t5; \ |
| 123 | sll %t0, shil, %t6; \ |
| 124 | or %t4, %prev, %t0; \ |
| 125 | sll %t1, shil, %prev; \ |
| 126 | or %t5, %t6, %t1; \ |
| 127 | srl %t2, shir, %t4; \ |
| 128 | srl %t3, shir, %t5; \ |
| 129 | sll %t2, shil, %t6; \ |
| 130 | or %t4, %prev, %t2; \ |
| 131 | sll %t3, shil, %prev; \ |
| 132 | or %t5, %t6, %t3; \ |
| 133 | std %t0, [%dst + (offset) + (offset2) + 0x00]; \ |
| 134 | std %t2, [%dst + (offset) + (offset2) + 0x08]; |
| 135 | |
| 136 | .text |
| 137 | .align 4 |
| 138 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | 0: |
| 140 | retl |
| 141 | nop ! Only bcopy returns here and it retuns void... |
| 142 | |
| 143 | #ifdef __KERNEL__ |
| 144 | FUNC(amemmove) |
| 145 | FUNC(__memmove) |
| 146 | #endif |
| 147 | FUNC(memmove) |
| 148 | cmp %o0, %o1 |
David S. Miller | a52312b | 2011-10-19 15:31:55 -0700 | [diff] [blame] | 149 | mov %o0, %g7 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | bleu 9f |
| 151 | sub %o0, %o1, %o4 |
| 152 | |
| 153 | add %o1, %o2, %o3 |
| 154 | cmp %o3, %o0 |
| 155 | bleu 0f |
| 156 | andcc %o4, 3, %o5 |
| 157 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | add %o1, %o2, %o1 |
| 159 | add %o0, %o2, %o0 |
| 160 | sub %o1, 1, %o1 |
| 161 | sub %o0, 1, %o0 |
| 162 | |
| 163 | 1: /* reverse_bytes */ |
| 164 | |
| 165 | ldub [%o1], %o4 |
| 166 | subcc %o2, 1, %o2 |
| 167 | stb %o4, [%o0] |
| 168 | sub %o1, 1, %o1 |
| 169 | bne 1b |
| 170 | sub %o0, 1, %o0 |
| 171 | |
| 172 | retl |
David S. Miller | a52312b | 2011-10-19 15:31:55 -0700 | [diff] [blame] | 173 | mov %g7, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | /* NOTE: This code is executed just for the cases, |
| 176 | where %src (=%o1) & 3 is != 0. |
| 177 | We need to align it to 4. So, for (%src & 3) |
| 178 | 1 we need to do ldub,lduh |
| 179 | 2 lduh |
| 180 | 3 just ldub |
| 181 | so even if it looks weird, the branches |
| 182 | are correct here. -jj |
| 183 | */ |
| 184 | 78: /* dword_align */ |
| 185 | |
| 186 | andcc %o1, 1, %g0 |
| 187 | be 4f |
| 188 | andcc %o1, 2, %g0 |
| 189 | |
| 190 | ldub [%o1], %g2 |
| 191 | add %o1, 1, %o1 |
| 192 | stb %g2, [%o0] |
| 193 | sub %o2, 1, %o2 |
| 194 | bne 3f |
| 195 | add %o0, 1, %o0 |
| 196 | 4: |
| 197 | lduh [%o1], %g2 |
| 198 | add %o1, 2, %o1 |
| 199 | sth %g2, [%o0] |
| 200 | sub %o2, 2, %o2 |
| 201 | b 3f |
| 202 | add %o0, 2, %o0 |
| 203 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 204 | FUNC(memcpy) /* %o0=dst %o1=src %o2=len */ |
| 205 | |
| 206 | sub %o0, %o1, %o4 |
David S. Miller | a52312b | 2011-10-19 15:31:55 -0700 | [diff] [blame] | 207 | mov %o0, %g7 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | 9: |
| 209 | andcc %o4, 3, %o5 |
| 210 | 0: |
| 211 | bne 86f |
| 212 | cmp %o2, 15 |
| 213 | |
| 214 | bleu 90f |
| 215 | andcc %o1, 3, %g0 |
| 216 | |
| 217 | bne 78b |
| 218 | 3: |
| 219 | andcc %o1, 4, %g0 |
| 220 | |
| 221 | be 2f |
| 222 | mov %o2, %g1 |
| 223 | |
| 224 | ld [%o1], %o4 |
| 225 | sub %g1, 4, %g1 |
| 226 | st %o4, [%o0] |
| 227 | add %o1, 4, %o1 |
| 228 | add %o0, 4, %o0 |
| 229 | 2: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 230 | andcc %g1, 0xffffff80, %g0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | be 3f |
| 232 | andcc %o0, 4, %g0 |
| 233 | |
| 234 | be 82f + 4 |
| 235 | 5: |
| 236 | MOVE_BIGCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5) |
| 237 | MOVE_BIGCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5) |
| 238 | MOVE_BIGCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5) |
| 239 | MOVE_BIGCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5) |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 240 | sub %g1, 128, %g1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | add %o1, 128, %o1 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 242 | cmp %g1, 128 |
| 243 | bge 5b |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | add %o0, 128, %o0 |
| 245 | 3: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 246 | andcc %g1, 0x70, %g4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | be 80f |
| 248 | andcc %g1, 8, %g0 |
| 249 | |
| 250 | sethi %hi(80f), %o5 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 251 | srl %g4, 1, %o4 |
| 252 | add %g4, %o4, %o4 |
| 253 | add %o1, %g4, %o1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | sub %o5, %o4, %o5 |
| 255 | jmpl %o5 + %lo(80f), %g0 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 256 | add %o0, %g4, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | |
| 258 | 79: /* memcpy_table */ |
| 259 | |
| 260 | MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g4, g5) |
| 261 | MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g4, g5) |
| 262 | MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g4, g5) |
| 263 | MOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g4, g5) |
| 264 | MOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g4, g5) |
| 265 | MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g4, g5) |
| 266 | MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g4, g5) |
| 267 | |
| 268 | 80: /* memcpy_table_end */ |
| 269 | be 81f |
| 270 | andcc %g1, 4, %g0 |
| 271 | |
| 272 | ldd [%o1], %g2 |
| 273 | add %o0, 8, %o0 |
| 274 | st %g2, [%o0 - 0x08] |
| 275 | add %o1, 8, %o1 |
| 276 | st %g3, [%o0 - 0x04] |
| 277 | |
| 278 | 81: /* memcpy_last7 */ |
| 279 | |
| 280 | be 1f |
| 281 | andcc %g1, 2, %g0 |
| 282 | |
| 283 | ld [%o1], %g2 |
| 284 | add %o1, 4, %o1 |
| 285 | st %g2, [%o0] |
| 286 | add %o0, 4, %o0 |
| 287 | 1: |
| 288 | be 1f |
| 289 | andcc %g1, 1, %g0 |
| 290 | |
| 291 | lduh [%o1], %g2 |
| 292 | add %o1, 2, %o1 |
| 293 | sth %g2, [%o0] |
| 294 | add %o0, 2, %o0 |
| 295 | 1: |
| 296 | be 1f |
| 297 | nop |
| 298 | |
| 299 | ldub [%o1], %g2 |
| 300 | stb %g2, [%o0] |
| 301 | 1: |
| 302 | retl |
David S. Miller | a52312b | 2011-10-19 15:31:55 -0700 | [diff] [blame] | 303 | mov %g7, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | |
| 305 | 82: /* ldd_std */ |
| 306 | MOVE_BIGALIGNCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5) |
| 307 | MOVE_BIGALIGNCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5) |
| 308 | MOVE_BIGALIGNCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5) |
| 309 | MOVE_BIGALIGNCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5) |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 310 | subcc %g1, 128, %g1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | add %o1, 128, %o1 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 312 | cmp %g1, 128 |
| 313 | bge 82b |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | add %o0, 128, %o0 |
| 315 | |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 316 | andcc %g1, 0x70, %g4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | be 84f |
| 318 | andcc %g1, 8, %g0 |
| 319 | |
| 320 | sethi %hi(84f), %o5 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 321 | add %o1, %g4, %o1 |
| 322 | sub %o5, %g4, %o5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 323 | jmpl %o5 + %lo(84f), %g0 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 324 | add %o0, %g4, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | |
| 326 | 83: /* amemcpy_table */ |
| 327 | |
| 328 | MOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3, g4, g5) |
| 329 | MOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3, g4, g5) |
| 330 | MOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3, g4, g5) |
| 331 | MOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5) |
| 332 | MOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5) |
| 333 | MOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5) |
| 334 | MOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5) |
| 335 | |
| 336 | 84: /* amemcpy_table_end */ |
| 337 | be 85f |
| 338 | andcc %g1, 4, %g0 |
| 339 | |
| 340 | ldd [%o1], %g2 |
| 341 | add %o0, 8, %o0 |
| 342 | std %g2, [%o0 - 0x08] |
| 343 | add %o1, 8, %o1 |
| 344 | 85: /* amemcpy_last7 */ |
| 345 | be 1f |
| 346 | andcc %g1, 2, %g0 |
| 347 | |
| 348 | ld [%o1], %g2 |
| 349 | add %o1, 4, %o1 |
| 350 | st %g2, [%o0] |
| 351 | add %o0, 4, %o0 |
| 352 | 1: |
| 353 | be 1f |
| 354 | andcc %g1, 1, %g0 |
| 355 | |
| 356 | lduh [%o1], %g2 |
| 357 | add %o1, 2, %o1 |
| 358 | sth %g2, [%o0] |
| 359 | add %o0, 2, %o0 |
| 360 | 1: |
| 361 | be 1f |
| 362 | nop |
| 363 | |
| 364 | ldub [%o1], %g2 |
| 365 | stb %g2, [%o0] |
| 366 | 1: |
| 367 | retl |
David S. Miller | a52312b | 2011-10-19 15:31:55 -0700 | [diff] [blame] | 368 | mov %g7, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 369 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | 86: /* non_aligned */ |
| 371 | cmp %o2, 6 |
| 372 | bleu 88f |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 373 | nop |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 375 | save %sp, -96, %sp |
| 376 | andcc %i0, 3, %g0 |
| 377 | be 61f |
| 378 | andcc %i0, 1, %g0 |
| 379 | be 60f |
| 380 | andcc %i0, 2, %g0 |
| 381 | |
| 382 | ldub [%i1], %g5 |
| 383 | add %i1, 1, %i1 |
| 384 | stb %g5, [%i0] |
| 385 | sub %i2, 1, %i2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | bne 61f |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 387 | add %i0, 1, %i0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | 60: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 389 | ldub [%i1], %g3 |
| 390 | add %i1, 2, %i1 |
| 391 | stb %g3, [%i0] |
| 392 | sub %i2, 2, %i2 |
| 393 | ldub [%i1 - 1], %g3 |
| 394 | add %i0, 2, %i0 |
| 395 | stb %g3, [%i0 - 1] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | 61: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 397 | and %i1, 3, %g2 |
| 398 | and %i2, 0xc, %g3 |
| 399 | and %i1, -4, %i1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | cmp %g3, 4 |
| 401 | sll %g2, 3, %g4 |
| 402 | mov 32, %g2 |
| 403 | be 4f |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 404 | sub %g2, %g4, %l0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | |
| 406 | blu 3f |
| 407 | cmp %g3, 0x8 |
| 408 | |
| 409 | be 2f |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 410 | srl %i2, 2, %g3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 411 | |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 412 | ld [%i1], %i3 |
| 413 | add %i0, -8, %i0 |
| 414 | ld [%i1 + 4], %i4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | b 8f |
| 416 | add %g3, 1, %g3 |
| 417 | 2: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 418 | ld [%i1], %i4 |
| 419 | add %i0, -12, %i0 |
| 420 | ld [%i1 + 4], %i5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | add %g3, 2, %g3 |
| 422 | b 9f |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 423 | add %i1, -4, %i1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 424 | 3: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 425 | ld [%i1], %g1 |
| 426 | add %i0, -4, %i0 |
| 427 | ld [%i1 + 4], %i3 |
| 428 | srl %i2, 2, %g3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | b 7f |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 430 | add %i1, 4, %i1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | 4: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 432 | ld [%i1], %i5 |
| 433 | cmp %i2, 7 |
| 434 | ld [%i1 + 4], %g1 |
| 435 | srl %i2, 2, %g3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | bleu 10f |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 437 | add %i1, 8, %i1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 439 | ld [%i1], %i3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | add %g3, -1, %g3 |
| 441 | 5: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 442 | sll %i5, %g4, %g2 |
| 443 | srl %g1, %l0, %g5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | or %g2, %g5, %g2 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 445 | st %g2, [%i0] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | 7: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 447 | ld [%i1 + 4], %i4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | sll %g1, %g4, %g2 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 449 | srl %i3, %l0, %g5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 450 | or %g2, %g5, %g2 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 451 | st %g2, [%i0 + 4] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | 8: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 453 | ld [%i1 + 8], %i5 |
| 454 | sll %i3, %g4, %g2 |
| 455 | srl %i4, %l0, %g5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | or %g2, %g5, %g2 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 457 | st %g2, [%i0 + 8] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | 9: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 459 | ld [%i1 + 12], %g1 |
| 460 | sll %i4, %g4, %g2 |
| 461 | srl %i5, %l0, %g5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | addcc %g3, -4, %g3 |
| 463 | or %g2, %g5, %g2 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 464 | add %i1, 16, %i1 |
| 465 | st %g2, [%i0 + 12] |
| 466 | add %i0, 16, %i0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 467 | bne,a 5b |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 468 | ld [%i1], %i3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | 10: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 470 | sll %i5, %g4, %g2 |
| 471 | srl %g1, %l0, %g5 |
| 472 | srl %l0, 3, %g3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | or %g2, %g5, %g2 |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 474 | sub %i1, %g3, %i1 |
| 475 | andcc %i2, 2, %g0 |
| 476 | st %g2, [%i0] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | be 1f |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 478 | andcc %i2, 1, %g0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 480 | ldub [%i1], %g2 |
| 481 | add %i1, 2, %i1 |
| 482 | stb %g2, [%i0 + 4] |
| 483 | add %i0, 2, %i0 |
| 484 | ldub [%i1 - 1], %g2 |
| 485 | stb %g2, [%i0 + 3] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | 1: |
| 487 | be 1f |
| 488 | nop |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 489 | ldub [%i1], %g2 |
| 490 | stb %g2, [%i0 + 4] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 491 | 1: |
David S. Miller | 21f74d3 | 2011-10-19 15:30:14 -0700 | [diff] [blame] | 492 | ret |
David S. Miller | a52312b | 2011-10-19 15:31:55 -0700 | [diff] [blame] | 493 | restore %g7, %g0, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 495 | 88: /* short_end */ |
| 496 | |
| 497 | and %o2, 0xe, %o3 |
| 498 | 20: |
| 499 | sethi %hi(89f), %o5 |
| 500 | sll %o3, 3, %o4 |
| 501 | add %o0, %o3, %o0 |
| 502 | sub %o5, %o4, %o5 |
| 503 | add %o1, %o3, %o1 |
| 504 | jmpl %o5 + %lo(89f), %g0 |
| 505 | andcc %o2, 1, %g0 |
| 506 | |
| 507 | MOVE_SHORTCHUNK(o1, o0, 0x0c, g2, g3) |
| 508 | MOVE_SHORTCHUNK(o1, o0, 0x0a, g2, g3) |
| 509 | MOVE_SHORTCHUNK(o1, o0, 0x08, g2, g3) |
| 510 | MOVE_SHORTCHUNK(o1, o0, 0x06, g2, g3) |
| 511 | MOVE_SHORTCHUNK(o1, o0, 0x04, g2, g3) |
| 512 | MOVE_SHORTCHUNK(o1, o0, 0x02, g2, g3) |
| 513 | MOVE_SHORTCHUNK(o1, o0, 0x00, g2, g3) |
| 514 | |
| 515 | 89: /* short_table_end */ |
| 516 | |
| 517 | be 1f |
| 518 | nop |
| 519 | |
| 520 | ldub [%o1], %g2 |
| 521 | stb %g2, [%o0] |
| 522 | 1: |
| 523 | retl |
David S. Miller | a52312b | 2011-10-19 15:31:55 -0700 | [diff] [blame] | 524 | mov %g7, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | |
| 526 | 90: /* short_aligned_end */ |
| 527 | bne 88b |
| 528 | andcc %o2, 8, %g0 |
| 529 | |
| 530 | be 1f |
| 531 | andcc %o2, 4, %g0 |
| 532 | |
| 533 | ld [%o1 + 0x00], %g2 |
| 534 | ld [%o1 + 0x04], %g3 |
| 535 | add %o1, 8, %o1 |
| 536 | st %g2, [%o0 + 0x00] |
| 537 | st %g3, [%o0 + 0x04] |
| 538 | add %o0, 8, %o0 |
| 539 | 1: |
| 540 | b 81b |
| 541 | mov %o2, %g1 |