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#ifndef EX_LD_FP 29#define EX_LD_FP(x) x 30#endif 31 32#ifndef EX_ST 33#define EX_ST(x) x 34#endif 35#ifndef EX_ST_FP 36#define EX_ST_FP(x) x 37#endif 38 39#ifndef EX_RETVAL 40#define EX_RETVAL(x) x 41#endif 42 43#ifndef LOAD 44#define LOAD(type,addr,dest) type [addr], dest 45#endif 46 47#ifndef LOAD_BLK 48#define LOAD_BLK(addr,dest) ldda [addr] ASI_BLK_P, dest 49#endif 50 51#ifndef STORE 52#define STORE(type,src,addr) type src, [addr] 53#endif 54 55#ifndef STORE_BLK 56#define STORE_BLK(src,addr) stda src, [addr] ASI_BLK_P 57#endif 58 59#ifndef FUNC_NAME 60#define FUNC_NAME memcpy 61#endif 62 63#ifndef PREAMBLE 64#define PREAMBLE 65#endif 66 67#ifndef XCC 68#define XCC xcc 69#endif 70 71#define FREG_FROB(f1, f2, f3, f4, f5, f6, f7, f8, f9) \ 72 faligndata %f1, %f2, %f48; \ 73 faligndata %f2, %f3, %f50; \ 74 faligndata %f3, %f4, %f52; \ 75 faligndata %f4, %f5, %f54; \ 76 faligndata %f5, %f6, %f56; \ 77 faligndata %f6, %f7, %f58; \ 78 faligndata %f7, %f8, %f60; \ 79 faligndata %f8, %f9, %f62; 80 81#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \ 82 EX_LD_FP(LOAD_BLK(%src, %fdest)); \ 83 EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ 84 add %src, 0x40, %src; \ 85 subcc %len, 0x40, %len; \ 86 be,pn %xcc, jmptgt; \ 87 add %dest, 0x40, %dest; \ 88 89#define LOOP_CHUNK1(src, dest, len, branch_dest) \ 90 MAIN_LOOP_CHUNK(src, dest, f0, f48, len, branch_dest) 91#define LOOP_CHUNK2(src, dest, len, branch_dest) \ 92 MAIN_LOOP_CHUNK(src, dest, f16, f48, len, branch_dest) 93#define LOOP_CHUNK3(src, dest, len, branch_dest) \ 94 MAIN_LOOP_CHUNK(src, dest, f32, f48, len, branch_dest) 95 96#define DO_SYNC membar #Sync; 97#define STORE_SYNC(dest, fsrc) \ 98 EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ 99 add %dest, 0x40, %dest; \ 100 DO_SYNC 101 102#define STORE_JUMP(dest, fsrc, target) \ 103 EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ 104 add %dest, 0x40, %dest; \ 105 ba,pt %xcc, target; \ 106 nop; 107 108#define FINISH_VISCHUNK(dest, f0, f1, left) \ 109 subcc %left, 8, %left;\ 110 bl,pn %xcc, 95f; \ 111 faligndata %f0, %f1, %f48; \ 112 EX_ST_FP(STORE(std, %f48, %dest)); \ 113 add %dest, 8, %dest; 114 115#define UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \ 116 subcc %left, 8, %left; \ 117 bl,pn %xcc, 95f; \ 118 fsrc2 %f0, %f1; 119 120#define UNEVEN_VISCHUNK(dest, f0, f1, left) \ 121 UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \ 122 ba,a,pt %xcc, 93f; 123 124 .register %g2,#scratch 125 .register %g3,#scratch 126 127 .text 128 .align 64 129 130 .globl FUNC_NAME 131 .type FUNC_NAME,#function 132FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 133 srlx %o2, 31, %g2 134 cmp %g2, 0 135 tne %xcc, 5 136 PREAMBLE 137 mov %o0, %o4 138 cmp %o2, 0 139 be,pn %XCC, 85f 140 or %o0, %o1, %o3 141 cmp %o2, 16 142 blu,a,pn %XCC, 80f 143 or %o3, %o2, %o3 144 145 cmp %o2, (5 * 64) 146 blu,pt %XCC, 70f 147 andcc %o3, 0x7, %g0 148 149 /* Clobbers o5/g1/g2/g3/g7/icc/xcc. */ 150 VISEntry 151 152 /* Is 'dst' already aligned on an 64-byte boundary? */ 153 andcc %o0, 0x3f, %g2 154 be,pt %XCC, 2f 155 156 /* Compute abs((dst & 0x3f) - 0x40) into %g2. This is the number 157 * of bytes to copy to make 'dst' 64-byte aligned. We pre- 158 * subtract this from 'len'. 159 */ 160 sub %o0, %o1, %GLOBAL_SPARE 161 sub %g2, 0x40, %g2 162 sub %g0, %g2, %g2 163 sub %o2, %g2, %o2 164 andcc %g2, 0x7, %g1 165 be,pt %icc, 2f 166 and %g2, 0x38, %g2 167 1681: subcc %g1, 0x1, %g1 169 EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3)) 170 EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL_SPARE)) 171 bgu,pt %XCC, 1b 172 add %o1, 0x1, %o1 173 174 add %o1, %GLOBAL_SPARE, %o0 175 1762: cmp %g2, 0x0 177 and %o1, 0x7, %g1 178 be,pt %icc, 3f 179 alignaddr %o1, %g0, %o1 180 181 EX_LD_FP(LOAD(ldd, %o1, %f4)) 1821: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6)) 183 add %o1, 0x8, %o1 184 subcc %g2, 0x8, %g2 185 faligndata %f4, %f6, %f0 186 EX_ST_FP(STORE(std, %f0, %o0)) 187 be,pn %icc, 3f 188 add %o0, 0x8, %o0 189 190 EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4)) 191 add %o1, 0x8, %o1 192 subcc %g2, 0x8, %g2 193 faligndata %f6, %f4, %f0 194 EX_ST_FP(STORE(std, %f0, %o0)) 195 bne,pt %icc, 1b 196 add %o0, 0x8, %o0 197 198 /* Destination is 64-byte aligned. */ 1993: 200 membar #LoadStore | #StoreStore | #StoreLoad 201 202 subcc %o2, 0x40, %GLOBAL_SPARE 203 add %o1, %g1, %g1 204 andncc %GLOBAL_SPARE, (0x40 - 1), %GLOBAL_SPARE 205 srl %g1, 3, %g2 206 sub %o2, %GLOBAL_SPARE, %g3 207 andn %o1, (0x40 - 1), %o1 208 and %g2, 7, %g2 209 andncc %g3, 0x7, %g3 210 fsrc2 %f0, %f2 211 sub %g3, 0x8, %g3 212 sub %o2, %GLOBAL_SPARE, %o2 213 214 add %g1, %GLOBAL_SPARE, %g1 215 subcc %o2, %g3, %o2 216 217 EX_LD_FP(LOAD_BLK(%o1, %f0)) 218 add %o1, 0x40, %o1 219 add %g1, %g3, %g1 220 EX_LD_FP(LOAD_BLK(%o1, %f16)) 221 add %o1, 0x40, %o1 222 sub %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE 223 EX_LD_FP(LOAD_BLK(%o1, %f32)) 224 add %o1, 0x40, %o1 225 226 /* There are 8 instances of the unrolled loop, 227 * one for each possible alignment of the 228 * source buffer. Each loop instance is 452 229 * bytes. 230 */ 231 sll %g2, 3, %o3 232 sub %o3, %g2, %o3 233 sllx %o3, 4, %o3 234 add %o3, %g2, %o3 235 sllx %o3, 2, %g2 2361: rd %pc, %o3 237 add %o3, %lo(1f - 1b), %o3 238 jmpl %o3 + %g2, %g0 239 nop 240 241 .align 64 2421: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) 243 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) 244 FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) 245 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) 246 FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) 247 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) 248 ba,pt %xcc, 1b+4 249 faligndata %f0, %f2, %f48 2501: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) 251 STORE_SYNC(o0, f48) 252 FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) 253 STORE_JUMP(o0, f48, 40f) 2542: FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) 255 STORE_SYNC(o0, f48) 256 FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) 257 STORE_JUMP(o0, f48, 48f) 2583: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) 259 STORE_SYNC(o0, f48) 260 FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) 261 STORE_JUMP(o0, f48, 56f) 262 2631: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) 264 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) 265 FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) 266 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) 267 FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) 268 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) 269 ba,pt %xcc, 1b+4 270 faligndata %f2, %f4, %f48 2711: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) 272 STORE_SYNC(o0, f48) 273 FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) 274 STORE_JUMP(o0, f48, 41f) 2752: FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) 276 STORE_SYNC(o0, f48) 277 FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) 278 STORE_JUMP(o0, f48, 49f) 2793: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) 280 STORE_SYNC(o0, f48) 281 FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) 282 STORE_JUMP(o0, f48, 57f) 283 2841: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) 285 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) 286 FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) 287 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) 288 FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) 289 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) 290 ba,pt %xcc, 1b+4 291 faligndata %f4, %f6, %f48 2921: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) 293 STORE_SYNC(o0, f48) 294 FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) 295 STORE_JUMP(o0, f48, 42f) 2962: FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) 297 STORE_SYNC(o0, f48) 298 FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) 299 STORE_JUMP(o0, f48, 50f) 3003: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) 301 STORE_SYNC(o0, f48) 302 FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) 303 STORE_JUMP(o0, f48, 58f) 304 3051: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) 306 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) 307 FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) 308 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) 309 FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) 310 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) 311 ba,pt %xcc, 1b+4 312 faligndata %f6, %f8, %f48 3131: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) 314 STORE_SYNC(o0, f48) 315 FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) 316 STORE_JUMP(o0, f48, 43f) 3172: FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) 318 STORE_SYNC(o0, f48) 319 FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) 320 STORE_JUMP(o0, f48, 51f) 3213: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) 322 STORE_SYNC(o0, f48) 323 FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) 324 STORE_JUMP(o0, f48, 59f) 325 3261: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) 327 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) 328 FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) 329 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) 330 FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) 331 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) 332 ba,pt %xcc, 1b+4 333 faligndata %f8, %f10, %f48 3341: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) 335 STORE_SYNC(o0, f48) 336 FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) 337 STORE_JUMP(o0, f48, 44f) 3382: FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) 339 STORE_SYNC(o0, f48) 340 FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) 341 STORE_JUMP(o0, f48, 52f) 3423: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) 343 STORE_SYNC(o0, f48) 344 FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) 345 STORE_JUMP(o0, f48, 60f) 346 3471: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) 348 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) 349 FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) 350 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) 351 FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) 352 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) 353 ba,pt %xcc, 1b+4 354 faligndata %f10, %f12, %f48 3551: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) 356 STORE_SYNC(o0, f48) 357 FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) 358 STORE_JUMP(o0, f48, 45f) 3592: FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) 360 STORE_SYNC(o0, f48) 361 FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) 362 STORE_JUMP(o0, f48, 53f) 3633: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) 364 STORE_SYNC(o0, f48) 365 FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) 366 STORE_JUMP(o0, f48, 61f) 367 3681: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) 369 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) 370 FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) 371 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) 372 FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) 373 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) 374 ba,pt %xcc, 1b+4 375 faligndata %f12, %f14, %f48 3761: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) 377 STORE_SYNC(o0, f48) 378 FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) 379 STORE_JUMP(o0, f48, 46f) 3802: FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) 381 STORE_SYNC(o0, f48) 382 FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) 383 STORE_JUMP(o0, f48, 54f) 3843: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) 385 STORE_SYNC(o0, f48) 386 FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) 387 STORE_JUMP(o0, f48, 62f) 388 3891: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) 390 LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) 391 FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) 392 LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) 393 FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) 394 LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) 395 ba,pt %xcc, 1b+4 396 faligndata %f14, %f16, %f48 3971: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) 398 STORE_SYNC(o0, f48) 399 FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) 400 STORE_JUMP(o0, f48, 47f) 4012: FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) 402 STORE_SYNC(o0, f48) 403 FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) 404 STORE_JUMP(o0, f48, 55f) 4053: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) 406 STORE_SYNC(o0, f48) 407 FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) 408 STORE_JUMP(o0, f48, 63f) 409 41040: FINISH_VISCHUNK(o0, f0, f2, g3) 41141: FINISH_VISCHUNK(o0, f2, f4, g3) 41242: FINISH_VISCHUNK(o0, f4, f6, g3) 41343: FINISH_VISCHUNK(o0, f6, f8, g3) 41444: FINISH_VISCHUNK(o0, f8, f10, g3) 41545: FINISH_VISCHUNK(o0, f10, f12, g3) 41646: FINISH_VISCHUNK(o0, f12, f14, g3) 41747: UNEVEN_VISCHUNK(o0, f14, f0, g3) 41848: FINISH_VISCHUNK(o0, f16, f18, g3) 41949: FINISH_VISCHUNK(o0, f18, f20, g3) 42050: FINISH_VISCHUNK(o0, f20, f22, g3) 42151: FINISH_VISCHUNK(o0, f22, f24, g3) 42252: FINISH_VISCHUNK(o0, f24, f26, g3) 42353: FINISH_VISCHUNK(o0, f26, f28, g3) 42454: FINISH_VISCHUNK(o0, f28, f30, g3) 42555: UNEVEN_VISCHUNK(o0, f30, f0, g3) 42656: FINISH_VISCHUNK(o0, f32, f34, g3) 42757: FINISH_VISCHUNK(o0, f34, f36, g3) 42858: FINISH_VISCHUNK(o0, f36, f38, g3) 42959: FINISH_VISCHUNK(o0, f38, f40, g3) 43060: FINISH_VISCHUNK(o0, f40, f42, g3) 43161: FINISH_VISCHUNK(o0, f42, f44, g3) 43262: FINISH_VISCHUNK(o0, f44, f46, g3) 43363: UNEVEN_VISCHUNK_LAST(o0, f46, f0, g3) 434 43593: EX_LD_FP(LOAD(ldd, %o1, %f2)) 436 add %o1, 8, %o1 437 subcc %g3, 8, %g3 438 faligndata %f0, %f2, %f8 439 EX_ST_FP(STORE(std, %f8, %o0)) 440 bl,pn %xcc, 95f 441 add %o0, 8, %o0 442 EX_LD_FP(LOAD(ldd, %o1, %f0)) 443 add %o1, 8, %o1 444 subcc %g3, 8, %g3 445 faligndata %f2, %f0, %f8 446 EX_ST_FP(STORE(std, %f8, %o0)) 447 bge,pt %xcc, 93b 448 add %o0, 8, %o0 449 45095: brz,pt %o2, 2f 451 mov %g1, %o1 452 4531: EX_LD_FP(LOAD(ldub, %o1, %o3)) 454 add %o1, 1, %o1 455 subcc %o2, 1, %o2 456 EX_ST_FP(STORE(stb, %o3, %o0)) 457 bne,pt %xcc, 1b 458 add %o0, 1, %o0 459 4602: membar #StoreLoad | #StoreStore 461 VISExit 462 retl 463 mov EX_RETVAL(%o4), %o0 464 465 .align 64 46670: /* 16 < len <= (5 * 64) */ 467 bne,pn %XCC, 75f 468 sub %o0, %o1, %o3 469 47072: andn %o2, 0xf, %GLOBAL_SPARE 471 and %o2, 0xf, %o2 4721: EX_LD(LOAD(ldx, %o1 + 0x00, %o5)) 473 EX_LD(LOAD(ldx, %o1 + 0x08, %g1)) 474 subcc %GLOBAL_SPARE, 0x10, %GLOBAL_SPARE 475 EX_ST(STORE(stx, %o5, %o1 + %o3)) 476 add %o1, 0x8, %o1 477 EX_ST(STORE(stx, %g1, %o1 + %o3)) 478 bgu,pt %XCC, 1b 479 add %o1, 0x8, %o1 48073: andcc %o2, 0x8, %g0 481 be,pt %XCC, 1f 482 nop 483 EX_LD(LOAD(ldx, %o1, %o5)) 484 sub %o2, 0x8, %o2 485 EX_ST(STORE(stx, %o5, %o1 + %o3)) 486 add %o1, 0x8, %o1 4871: andcc %o2, 0x4, %g0 488 be,pt %XCC, 1f 489 nop 490 EX_LD(LOAD(lduw, %o1, %o5)) 491 sub %o2, 0x4, %o2 492 EX_ST(STORE(stw, %o5, %o1 + %o3)) 493 add %o1, 0x4, %o1 4941: cmp %o2, 0 495 be,pt %XCC, 85f 496 nop 497 ba,pt %xcc, 90f 498 nop 499 50075: andcc %o0, 0x7, %g1 501 sub %g1, 0x8, %g1 502 be,pn %icc, 2f 503 sub %g0, %g1, %g1 504 sub %o2, %g1, %o2 505 5061: EX_LD(LOAD(ldub, %o1, %o5)) 507 subcc %g1, 1, %g1 508 EX_ST(STORE(stb, %o5, %o1 + %o3)) 509 bgu,pt %icc, 1b 510 add %o1, 1, %o1 511 5122: add %o1, %o3, %o0 513 andcc %o1, 0x7, %g1 514 bne,pt %icc, 8f 515 sll %g1, 3, %g1 516 517 cmp %o2, 16 518 bgeu,pt %icc, 72b 519 nop 520 ba,a,pt %xcc, 73b 521 5228: mov 64, %o3 523 andn %o1, 0x7, %o1 524 EX_LD(LOAD(ldx, %o1, %g2)) 525 sub %o3, %g1, %o3 526 andn %o2, 0x7, %GLOBAL_SPARE 527 sllx %g2, %g1, %g2 5281: EX_LD(LOAD(ldx, %o1 + 0x8, %g3)) 529 subcc %GLOBAL_SPARE, 0x8, %GLOBAL_SPARE 530 add %o1, 0x8, %o1 531 srlx %g3, %o3, %o5 532 or %o5, %g2, %o5 533 EX_ST(STORE(stx, %o5, %o0)) 534 add %o0, 0x8, %o0 535 bgu,pt %icc, 1b 536 sllx %g3, %g1, %g2 537 538 srl %g1, 3, %g1 539 andcc %o2, 0x7, %o2 540 be,pn %icc, 85f 541 add %o1, %g1, %o1 542 ba,pt %xcc, 90f 543 sub %o0, %o1, %o3 544 545 .align 64 54680: /* 0 < len <= 16 */ 547 andcc %o3, 0x3, %g0 548 bne,pn %XCC, 90f 549 sub %o0, %o1, %o3 550 5511: EX_LD(LOAD(lduw, %o1, %g1)) 552 subcc %o2, 4, %o2 553 EX_ST(STORE(stw, %g1, %o1 + %o3)) 554 bgu,pt %XCC, 1b 555 add %o1, 4, %o1 556 55785: retl 558 mov EX_RETVAL(%o4), %o0 559 560 .align 32 56190: EX_LD(LOAD(ldub, %o1, %g1)) 562 subcc %o2, 1, %o2 563 EX_ST(STORE(stb, %g1, %o1 + %o3)) 564 bgu,pt %XCC, 90b 565 add %o1, 1, %o1 566 retl 567 mov EX_RETVAL(%o4), %o0 568 569 .size FUNC_NAME, .-FUNC_NAME 570