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 | 9dd04b1 | 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 | 9dd04b1 | 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 | |
| 17 | /* In kernel these functions don't return a value. |
| 18 | * One should use macros in asm/string.h for that purpose. |
| 19 | * We return 0, so that bugs are more apparent. |
| 20 | */ |
| 21 | #define SETUP_RETL |
| 22 | #define RETL_INSN clr %o0 |
| 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | /* Both these macros have to start with exactly the same insn */ |
| 25 | #define MOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ |
| 26 | ldd [%src + (offset) + 0x00], %t0; \ |
| 27 | ldd [%src + (offset) + 0x08], %t2; \ |
| 28 | ldd [%src + (offset) + 0x10], %t4; \ |
| 29 | ldd [%src + (offset) + 0x18], %t6; \ |
| 30 | st %t0, [%dst + (offset) + 0x00]; \ |
| 31 | st %t1, [%dst + (offset) + 0x04]; \ |
| 32 | st %t2, [%dst + (offset) + 0x08]; \ |
| 33 | st %t3, [%dst + (offset) + 0x0c]; \ |
| 34 | st %t4, [%dst + (offset) + 0x10]; \ |
| 35 | st %t5, [%dst + (offset) + 0x14]; \ |
| 36 | st %t6, [%dst + (offset) + 0x18]; \ |
| 37 | st %t7, [%dst + (offset) + 0x1c]; |
| 38 | |
| 39 | #define MOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ |
| 40 | ldd [%src + (offset) + 0x00], %t0; \ |
| 41 | ldd [%src + (offset) + 0x08], %t2; \ |
| 42 | ldd [%src + (offset) + 0x10], %t4; \ |
| 43 | ldd [%src + (offset) + 0x18], %t6; \ |
| 44 | std %t0, [%dst + (offset) + 0x00]; \ |
| 45 | std %t2, [%dst + (offset) + 0x08]; \ |
| 46 | std %t4, [%dst + (offset) + 0x10]; \ |
| 47 | std %t6, [%dst + (offset) + 0x18]; |
| 48 | |
| 49 | #define MOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ |
| 50 | ldd [%src - (offset) - 0x10], %t0; \ |
| 51 | ldd [%src - (offset) - 0x08], %t2; \ |
| 52 | st %t0, [%dst - (offset) - 0x10]; \ |
| 53 | st %t1, [%dst - (offset) - 0x0c]; \ |
| 54 | st %t2, [%dst - (offset) - 0x08]; \ |
| 55 | st %t3, [%dst - (offset) - 0x04]; |
| 56 | |
| 57 | #define MOVE_LASTALIGNCHUNK(src, dst, offset, t0, t1, t2, t3) \ |
| 58 | ldd [%src - (offset) - 0x10], %t0; \ |
| 59 | ldd [%src - (offset) - 0x08], %t2; \ |
| 60 | std %t0, [%dst - (offset) - 0x10]; \ |
| 61 | std %t2, [%dst - (offset) - 0x08]; |
| 62 | |
| 63 | #define MOVE_SHORTCHUNK(src, dst, offset, t0, t1) \ |
| 64 | ldub [%src - (offset) - 0x02], %t0; \ |
| 65 | ldub [%src - (offset) - 0x01], %t1; \ |
| 66 | stb %t0, [%dst - (offset) - 0x02]; \ |
| 67 | stb %t1, [%dst - (offset) - 0x01]; |
| 68 | |
| 69 | /* Both these macros have to start with exactly the same insn */ |
| 70 | #define RMOVE_BIGCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ |
| 71 | ldd [%src - (offset) - 0x20], %t0; \ |
| 72 | ldd [%src - (offset) - 0x18], %t2; \ |
| 73 | ldd [%src - (offset) - 0x10], %t4; \ |
| 74 | ldd [%src - (offset) - 0x08], %t6; \ |
| 75 | st %t0, [%dst - (offset) - 0x20]; \ |
| 76 | st %t1, [%dst - (offset) - 0x1c]; \ |
| 77 | st %t2, [%dst - (offset) - 0x18]; \ |
| 78 | st %t3, [%dst - (offset) - 0x14]; \ |
| 79 | st %t4, [%dst - (offset) - 0x10]; \ |
| 80 | st %t5, [%dst - (offset) - 0x0c]; \ |
| 81 | st %t6, [%dst - (offset) - 0x08]; \ |
| 82 | st %t7, [%dst - (offset) - 0x04]; |
| 83 | |
| 84 | #define RMOVE_BIGALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, t7) \ |
| 85 | ldd [%src - (offset) - 0x20], %t0; \ |
| 86 | ldd [%src - (offset) - 0x18], %t2; \ |
| 87 | ldd [%src - (offset) - 0x10], %t4; \ |
| 88 | ldd [%src - (offset) - 0x08], %t6; \ |
| 89 | std %t0, [%dst - (offset) - 0x20]; \ |
| 90 | std %t2, [%dst - (offset) - 0x18]; \ |
| 91 | std %t4, [%dst - (offset) - 0x10]; \ |
| 92 | std %t6, [%dst - (offset) - 0x08]; |
| 93 | |
| 94 | #define RMOVE_LASTCHUNK(src, dst, offset, t0, t1, t2, t3) \ |
| 95 | ldd [%src + (offset) + 0x00], %t0; \ |
| 96 | ldd [%src + (offset) + 0x08], %t2; \ |
| 97 | st %t0, [%dst + (offset) + 0x00]; \ |
| 98 | st %t1, [%dst + (offset) + 0x04]; \ |
| 99 | st %t2, [%dst + (offset) + 0x08]; \ |
| 100 | st %t3, [%dst + (offset) + 0x0c]; |
| 101 | |
| 102 | #define RMOVE_SHORTCHUNK(src, dst, offset, t0, t1) \ |
| 103 | ldub [%src + (offset) + 0x00], %t0; \ |
| 104 | ldub [%src + (offset) + 0x01], %t1; \ |
| 105 | stb %t0, [%dst + (offset) + 0x00]; \ |
| 106 | stb %t1, [%dst + (offset) + 0x01]; |
| 107 | |
| 108 | #define SMOVE_CHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ |
| 109 | ldd [%src + (offset) + 0x00], %t0; \ |
| 110 | ldd [%src + (offset) + 0x08], %t2; \ |
| 111 | srl %t0, shir, %t5; \ |
| 112 | srl %t1, shir, %t6; \ |
| 113 | sll %t0, shil, %t0; \ |
| 114 | or %t5, %prev, %t5; \ |
| 115 | sll %t1, shil, %prev; \ |
| 116 | or %t6, %t0, %t0; \ |
| 117 | srl %t2, shir, %t1; \ |
| 118 | srl %t3, shir, %t6; \ |
| 119 | sll %t2, shil, %t2; \ |
| 120 | or %t1, %prev, %t1; \ |
| 121 | std %t4, [%dst + (offset) + (offset2) - 0x04]; \ |
| 122 | std %t0, [%dst + (offset) + (offset2) + 0x04]; \ |
| 123 | sll %t3, shil, %prev; \ |
| 124 | or %t6, %t2, %t4; |
| 125 | |
| 126 | #define SMOVE_ALIGNCHUNK(src, dst, offset, t0, t1, t2, t3, t4, t5, t6, prev, shil, shir, offset2) \ |
| 127 | ldd [%src + (offset) + 0x00], %t0; \ |
| 128 | ldd [%src + (offset) + 0x08], %t2; \ |
| 129 | srl %t0, shir, %t4; \ |
| 130 | srl %t1, shir, %t5; \ |
| 131 | sll %t0, shil, %t6; \ |
| 132 | or %t4, %prev, %t0; \ |
| 133 | sll %t1, shil, %prev; \ |
| 134 | or %t5, %t6, %t1; \ |
| 135 | srl %t2, shir, %t4; \ |
| 136 | srl %t3, shir, %t5; \ |
| 137 | sll %t2, shil, %t6; \ |
| 138 | or %t4, %prev, %t2; \ |
| 139 | sll %t3, shil, %prev; \ |
| 140 | or %t5, %t6, %t3; \ |
| 141 | std %t0, [%dst + (offset) + (offset2) + 0x00]; \ |
| 142 | std %t2, [%dst + (offset) + (offset2) + 0x08]; |
| 143 | |
| 144 | .text |
| 145 | .align 4 |
| 146 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | 0: |
| 148 | retl |
| 149 | nop ! Only bcopy returns here and it retuns void... |
| 150 | |
| 151 | #ifdef __KERNEL__ |
| 152 | FUNC(amemmove) |
| 153 | FUNC(__memmove) |
| 154 | #endif |
| 155 | FUNC(memmove) |
| 156 | cmp %o0, %o1 |
| 157 | SETUP_RETL |
| 158 | bleu 9f |
| 159 | sub %o0, %o1, %o4 |
| 160 | |
| 161 | add %o1, %o2, %o3 |
| 162 | cmp %o3, %o0 |
| 163 | bleu 0f |
| 164 | andcc %o4, 3, %o5 |
| 165 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | add %o1, %o2, %o1 |
| 167 | add %o0, %o2, %o0 |
| 168 | sub %o1, 1, %o1 |
| 169 | sub %o0, 1, %o0 |
| 170 | |
| 171 | 1: /* reverse_bytes */ |
| 172 | |
| 173 | ldub [%o1], %o4 |
| 174 | subcc %o2, 1, %o2 |
| 175 | stb %o4, [%o0] |
| 176 | sub %o1, 1, %o1 |
| 177 | bne 1b |
| 178 | sub %o0, 1, %o0 |
| 179 | |
| 180 | retl |
| 181 | RETL_INSN |
| 182 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | /* NOTE: This code is executed just for the cases, |
| 184 | where %src (=%o1) & 3 is != 0. |
| 185 | We need to align it to 4. So, for (%src & 3) |
| 186 | 1 we need to do ldub,lduh |
| 187 | 2 lduh |
| 188 | 3 just ldub |
| 189 | so even if it looks weird, the branches |
| 190 | are correct here. -jj |
| 191 | */ |
| 192 | 78: /* dword_align */ |
| 193 | |
| 194 | andcc %o1, 1, %g0 |
| 195 | be 4f |
| 196 | andcc %o1, 2, %g0 |
| 197 | |
| 198 | ldub [%o1], %g2 |
| 199 | add %o1, 1, %o1 |
| 200 | stb %g2, [%o0] |
| 201 | sub %o2, 1, %o2 |
| 202 | bne 3f |
| 203 | add %o0, 1, %o0 |
| 204 | 4: |
| 205 | lduh [%o1], %g2 |
| 206 | add %o1, 2, %o1 |
| 207 | sth %g2, [%o0] |
| 208 | sub %o2, 2, %o2 |
| 209 | b 3f |
| 210 | add %o0, 2, %o0 |
| 211 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | FUNC(memcpy) /* %o0=dst %o1=src %o2=len */ |
| 213 | |
| 214 | sub %o0, %o1, %o4 |
| 215 | SETUP_RETL |
| 216 | 9: |
| 217 | andcc %o4, 3, %o5 |
| 218 | 0: |
| 219 | bne 86f |
| 220 | cmp %o2, 15 |
| 221 | |
| 222 | bleu 90f |
| 223 | andcc %o1, 3, %g0 |
| 224 | |
| 225 | bne 78b |
| 226 | 3: |
| 227 | andcc %o1, 4, %g0 |
| 228 | |
| 229 | be 2f |
| 230 | mov %o2, %g1 |
| 231 | |
| 232 | ld [%o1], %o4 |
| 233 | sub %g1, 4, %g1 |
| 234 | st %o4, [%o0] |
| 235 | add %o1, 4, %o1 |
| 236 | add %o0, 4, %o0 |
| 237 | 2: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 238 | andcc %g1, 0xffffff80, %g0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | be 3f |
| 240 | andcc %o0, 4, %g0 |
| 241 | |
| 242 | be 82f + 4 |
| 243 | 5: |
| 244 | MOVE_BIGCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5) |
| 245 | MOVE_BIGCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5) |
| 246 | MOVE_BIGCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5) |
| 247 | MOVE_BIGCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5) |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 248 | sub %g1, 128, %g1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | add %o1, 128, %o1 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 250 | cmp %g1, 128 |
| 251 | bge 5b |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | add %o0, 128, %o0 |
| 253 | 3: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 254 | andcc %g1, 0x70, %g4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | be 80f |
| 256 | andcc %g1, 8, %g0 |
| 257 | |
| 258 | sethi %hi(80f), %o5 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 259 | srl %g4, 1, %o4 |
| 260 | add %g4, %o4, %o4 |
| 261 | add %o1, %g4, %o1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | sub %o5, %o4, %o5 |
| 263 | jmpl %o5 + %lo(80f), %g0 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 264 | add %o0, %g4, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | |
| 266 | 79: /* memcpy_table */ |
| 267 | |
| 268 | MOVE_LASTCHUNK(o1, o0, 0x60, g2, g3, g4, g5) |
| 269 | MOVE_LASTCHUNK(o1, o0, 0x50, g2, g3, g4, g5) |
| 270 | MOVE_LASTCHUNK(o1, o0, 0x40, g2, g3, g4, g5) |
| 271 | MOVE_LASTCHUNK(o1, o0, 0x30, g2, g3, g4, g5) |
| 272 | MOVE_LASTCHUNK(o1, o0, 0x20, g2, g3, g4, g5) |
| 273 | MOVE_LASTCHUNK(o1, o0, 0x10, g2, g3, g4, g5) |
| 274 | MOVE_LASTCHUNK(o1, o0, 0x00, g2, g3, g4, g5) |
| 275 | |
| 276 | 80: /* memcpy_table_end */ |
| 277 | be 81f |
| 278 | andcc %g1, 4, %g0 |
| 279 | |
| 280 | ldd [%o1], %g2 |
| 281 | add %o0, 8, %o0 |
| 282 | st %g2, [%o0 - 0x08] |
| 283 | add %o1, 8, %o1 |
| 284 | st %g3, [%o0 - 0x04] |
| 285 | |
| 286 | 81: /* memcpy_last7 */ |
| 287 | |
| 288 | be 1f |
| 289 | andcc %g1, 2, %g0 |
| 290 | |
| 291 | ld [%o1], %g2 |
| 292 | add %o1, 4, %o1 |
| 293 | st %g2, [%o0] |
| 294 | add %o0, 4, %o0 |
| 295 | 1: |
| 296 | be 1f |
| 297 | andcc %g1, 1, %g0 |
| 298 | |
| 299 | lduh [%o1], %g2 |
| 300 | add %o1, 2, %o1 |
| 301 | sth %g2, [%o0] |
| 302 | add %o0, 2, %o0 |
| 303 | 1: |
| 304 | be 1f |
| 305 | nop |
| 306 | |
| 307 | ldub [%o1], %g2 |
| 308 | stb %g2, [%o0] |
| 309 | 1: |
| 310 | retl |
| 311 | RETL_INSN |
| 312 | |
| 313 | 82: /* ldd_std */ |
| 314 | MOVE_BIGALIGNCHUNK(o1, o0, 0x00, o2, o3, o4, o5, g2, g3, g4, g5) |
| 315 | MOVE_BIGALIGNCHUNK(o1, o0, 0x20, o2, o3, o4, o5, g2, g3, g4, g5) |
| 316 | MOVE_BIGALIGNCHUNK(o1, o0, 0x40, o2, o3, o4, o5, g2, g3, g4, g5) |
| 317 | MOVE_BIGALIGNCHUNK(o1, o0, 0x60, o2, o3, o4, o5, g2, g3, g4, g5) |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 318 | subcc %g1, 128, %g1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | add %o1, 128, %o1 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 320 | cmp %g1, 128 |
| 321 | bge 82b |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | add %o0, 128, %o0 |
| 323 | |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 324 | andcc %g1, 0x70, %g4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 325 | be 84f |
| 326 | andcc %g1, 8, %g0 |
| 327 | |
| 328 | sethi %hi(84f), %o5 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 329 | add %o1, %g4, %o1 |
| 330 | sub %o5, %g4, %o5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 331 | jmpl %o5 + %lo(84f), %g0 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 332 | add %o0, %g4, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | |
| 334 | 83: /* amemcpy_table */ |
| 335 | |
| 336 | MOVE_LASTALIGNCHUNK(o1, o0, 0x60, g2, g3, g4, g5) |
| 337 | MOVE_LASTALIGNCHUNK(o1, o0, 0x50, g2, g3, g4, g5) |
| 338 | MOVE_LASTALIGNCHUNK(o1, o0, 0x40, g2, g3, g4, g5) |
| 339 | MOVE_LASTALIGNCHUNK(o1, o0, 0x30, g2, g3, g4, g5) |
| 340 | MOVE_LASTALIGNCHUNK(o1, o0, 0x20, g2, g3, g4, g5) |
| 341 | MOVE_LASTALIGNCHUNK(o1, o0, 0x10, g2, g3, g4, g5) |
| 342 | MOVE_LASTALIGNCHUNK(o1, o0, 0x00, g2, g3, g4, g5) |
| 343 | |
| 344 | 84: /* amemcpy_table_end */ |
| 345 | be 85f |
| 346 | andcc %g1, 4, %g0 |
| 347 | |
| 348 | ldd [%o1], %g2 |
| 349 | add %o0, 8, %o0 |
| 350 | std %g2, [%o0 - 0x08] |
| 351 | add %o1, 8, %o1 |
| 352 | 85: /* amemcpy_last7 */ |
| 353 | be 1f |
| 354 | andcc %g1, 2, %g0 |
| 355 | |
| 356 | ld [%o1], %g2 |
| 357 | add %o1, 4, %o1 |
| 358 | st %g2, [%o0] |
| 359 | add %o0, 4, %o0 |
| 360 | 1: |
| 361 | be 1f |
| 362 | andcc %g1, 1, %g0 |
| 363 | |
| 364 | lduh [%o1], %g2 |
| 365 | add %o1, 2, %o1 |
| 366 | sth %g2, [%o0] |
| 367 | add %o0, 2, %o0 |
| 368 | 1: |
| 369 | be 1f |
| 370 | nop |
| 371 | |
| 372 | ldub [%o1], %g2 |
| 373 | stb %g2, [%o0] |
| 374 | 1: |
| 375 | retl |
| 376 | RETL_INSN |
| 377 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | 86: /* non_aligned */ |
| 379 | cmp %o2, 6 |
| 380 | bleu 88f |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 381 | nop |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 383 | save %sp, -96, %sp |
| 384 | andcc %i0, 3, %g0 |
| 385 | be 61f |
| 386 | andcc %i0, 1, %g0 |
| 387 | be 60f |
| 388 | andcc %i0, 2, %g0 |
| 389 | |
| 390 | ldub [%i1], %g5 |
| 391 | add %i1, 1, %i1 |
| 392 | stb %g5, [%i0] |
| 393 | sub %i2, 1, %i2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | bne 61f |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 395 | add %i0, 1, %i0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 396 | 60: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 397 | ldub [%i1], %g3 |
| 398 | add %i1, 2, %i1 |
| 399 | stb %g3, [%i0] |
| 400 | sub %i2, 2, %i2 |
| 401 | ldub [%i1 - 1], %g3 |
| 402 | add %i0, 2, %i0 |
| 403 | stb %g3, [%i0 - 1] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | 61: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 405 | and %i1, 3, %g2 |
| 406 | and %i2, 0xc, %g3 |
| 407 | and %i1, -4, %i1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | cmp %g3, 4 |
| 409 | sll %g2, 3, %g4 |
| 410 | mov 32, %g2 |
| 411 | be 4f |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 412 | sub %g2, %g4, %l0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 413 | |
| 414 | blu 3f |
| 415 | cmp %g3, 0x8 |
| 416 | |
| 417 | be 2f |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 418 | srl %i2, 2, %g3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 420 | ld [%i1], %i3 |
| 421 | add %i0, -8, %i0 |
| 422 | ld [%i1 + 4], %i4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | b 8f |
| 424 | add %g3, 1, %g3 |
| 425 | 2: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 426 | ld [%i1], %i4 |
| 427 | add %i0, -12, %i0 |
| 428 | ld [%i1 + 4], %i5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | add %g3, 2, %g3 |
| 430 | b 9f |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 431 | add %i1, -4, %i1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | 3: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 433 | ld [%i1], %g1 |
| 434 | add %i0, -4, %i0 |
| 435 | ld [%i1 + 4], %i3 |
| 436 | srl %i2, 2, %g3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | b 7f |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 438 | add %i1, 4, %i1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | 4: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 440 | ld [%i1], %i5 |
| 441 | cmp %i2, 7 |
| 442 | ld [%i1 + 4], %g1 |
| 443 | srl %i2, 2, %g3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | bleu 10f |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 445 | add %i1, 8, %i1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 446 | |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 447 | ld [%i1], %i3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | add %g3, -1, %g3 |
| 449 | 5: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 450 | sll %i5, %g4, %g2 |
| 451 | srl %g1, %l0, %g5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | or %g2, %g5, %g2 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 453 | st %g2, [%i0] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | 7: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 455 | ld [%i1 + 4], %i4 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 456 | sll %g1, %g4, %g2 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 457 | srl %i3, %l0, %g5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | or %g2, %g5, %g2 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 459 | st %g2, [%i0 + 4] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | 8: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 461 | ld [%i1 + 8], %i5 |
| 462 | sll %i3, %g4, %g2 |
| 463 | srl %i4, %l0, %g5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 464 | or %g2, %g5, %g2 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 465 | st %g2, [%i0 + 8] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | 9: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 467 | ld [%i1 + 12], %g1 |
| 468 | sll %i4, %g4, %g2 |
| 469 | srl %i5, %l0, %g5 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | addcc %g3, -4, %g3 |
| 471 | or %g2, %g5, %g2 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 472 | add %i1, 16, %i1 |
| 473 | st %g2, [%i0 + 12] |
| 474 | add %i0, 16, %i0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 475 | bne,a 5b |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 476 | ld [%i1], %i3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | 10: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 478 | sll %i5, %g4, %g2 |
| 479 | srl %g1, %l0, %g5 |
| 480 | srl %l0, 3, %g3 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | or %g2, %g5, %g2 |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 482 | sub %i1, %g3, %i1 |
| 483 | andcc %i2, 2, %g0 |
| 484 | st %g2, [%i0] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | be 1f |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 486 | andcc %i2, 1, %g0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 488 | ldub [%i1], %g2 |
| 489 | add %i1, 2, %i1 |
| 490 | stb %g2, [%i0 + 4] |
| 491 | add %i0, 2, %i0 |
| 492 | ldub [%i1 - 1], %g2 |
| 493 | stb %g2, [%i0 + 3] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 494 | 1: |
| 495 | be 1f |
| 496 | nop |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 497 | ldub [%i1], %g2 |
| 498 | stb %g2, [%i0 + 4] |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | 1: |
David S. Miller | 2588f7f | 2011-10-19 15:30:14 -0700 | [diff] [blame^] | 500 | ret |
| 501 | restore %g0, %g0, %o0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | 88: /* short_end */ |
| 504 | |
| 505 | and %o2, 0xe, %o3 |
| 506 | 20: |
| 507 | sethi %hi(89f), %o5 |
| 508 | sll %o3, 3, %o4 |
| 509 | add %o0, %o3, %o0 |
| 510 | sub %o5, %o4, %o5 |
| 511 | add %o1, %o3, %o1 |
| 512 | jmpl %o5 + %lo(89f), %g0 |
| 513 | andcc %o2, 1, %g0 |
| 514 | |
| 515 | MOVE_SHORTCHUNK(o1, o0, 0x0c, g2, g3) |
| 516 | MOVE_SHORTCHUNK(o1, o0, 0x0a, g2, g3) |
| 517 | MOVE_SHORTCHUNK(o1, o0, 0x08, g2, g3) |
| 518 | MOVE_SHORTCHUNK(o1, o0, 0x06, g2, g3) |
| 519 | MOVE_SHORTCHUNK(o1, o0, 0x04, g2, g3) |
| 520 | MOVE_SHORTCHUNK(o1, o0, 0x02, g2, g3) |
| 521 | MOVE_SHORTCHUNK(o1, o0, 0x00, g2, g3) |
| 522 | |
| 523 | 89: /* short_table_end */ |
| 524 | |
| 525 | be 1f |
| 526 | nop |
| 527 | |
| 528 | ldub [%o1], %g2 |
| 529 | stb %g2, [%o0] |
| 530 | 1: |
| 531 | retl |
| 532 | RETL_INSN |
| 533 | |
| 534 | 90: /* short_aligned_end */ |
| 535 | bne 88b |
| 536 | andcc %o2, 8, %g0 |
| 537 | |
| 538 | be 1f |
| 539 | andcc %o2, 4, %g0 |
| 540 | |
| 541 | ld [%o1 + 0x00], %g2 |
| 542 | ld [%o1 + 0x04], %g3 |
| 543 | add %o1, 8, %o1 |
| 544 | st %g2, [%o0 + 0x00] |
| 545 | st %g3, [%o0 + 0x04] |
| 546 | add %o0, 8, %o0 |
| 547 | 1: |
| 548 | b 81b |
| 549 | mov %o2, %g1 |