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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 | /* $Id: VIScsum.S,v 1.4 1999/05/25 16:53:00 jj Exp $ * VIScsum.S: High bandwidth IP checksumming utilizing the UltraSparc * Visual Instruction Set. * * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) * * Based on older sparc32/sparc64 checksum.S, which is: * * Copyright(C) 1995 Linus Torvalds * Copyright(C) 1995 Miguel de Icaza * Copyright(C) 1996,1997 David S. Miller * derived from: * Linux/Alpha checksum c-code * Linux/ix86 inline checksum assembly * RFC1071 Computing the Internet Checksum (esp. Jacobsons m68k code) * David Mosberger-Tang for optimized reference c-code * BSD4.4 portable checksum routine */ #ifdef __sparc_v9__ #define STACKOFF 2175 #else #define STACKOFF 64 #endif #ifdef __KERNEL__ #include <asm/head.h> #include <asm/asi.h> #include <asm/visasm.h> #include <asm/asm_offsets.h> #else #define ASI_BLK_P 0xf0 #define FRPS_FEF 0x04 #endif /* Dobrou noc, SunSoft engineers. Spete sladce. * This has a couple of tricks in and those * tricks are UltraLinux trade secrets :)) */ #define START_THE_TRICK(fz,f0,f2,f4,f6,f8,f10) \ fcmpgt32 %fz, %f0, %g1 /* FPM Group */; \ fcmpgt32 %fz, %f2, %g2 /* FPM Group */; \ fcmpgt32 %fz, %f4, %g3 /* FPM Group */; \ fcmpgt32 %fz, %f6, %g5 /* FPM Group */; \ inc %g1 /* IEU0 */; \ fcmpgt32 %fz, %f8, %g7 /* FPM Group */; \ srl %g1, 1, %g1 /* IEU0 */; \ inc %g2 /* IEU1 */; \ fcmpgt32 %fz, %f10, %o3 /* FPM Group */; \ srl %g2, 1, %g2 /* IEU0 */; \ add %o2, %g1, %o2 /* IEU1 */; \ add %g3, 1, %g3 /* IEU0 Group */; \ srl %g3, 1, %g3 /* IEU0 Group */; \ add %o2, %g2, %o2 /* IEU1 */; \ inc %g5 /* IEU0 Group */; \ add %o2, %g3, %o2 /* IEU1 */; #define DO_THE_TRICK(O12,O14,f0,f2,f4,f6,f8,f10,f12,f14,F0,F2,F4,F6,F8,F10,F12,F14) \ fcmpgt32 %O12, %f12, %o4 /* FPM Group */; \ srl %g5, 1, %g5 /* IEU0 */; \ inc %g7 /* IEU1 */; \ fpadd32 %F0, %f0, %F0 /* FPA */; \ fcmpgt32 %O14, %f14, %o5 /* FPM Group */; \ srl %g7, 1, %g7 /* IEU0 */; \ add %o2, %g5, %o2 /* IEU1 */; \ fpadd32 %F2, %f2, %F2 /* FPA */; \ inc %o3 /* IEU0 Group */; \ add %o2, %g7, %o2 /* IEU1 */; \ fcmpgt32 %f0, %F0, %g1 /* FPM Group */; \ srl %o3, 1, %o3 /* IEU0 */; \ inc %o4 /* IEU1 */; \ fpadd32 %F4, %f4, %F4 /* FPA */; \ fcmpgt32 %f2, %F2, %g2 /* FPM Group */; \ srl %o4, 1, %o4 /* IEU0 */; \ add %o2, %o3, %o2 /* IEU1 */; \ fpadd32 %F6, %f6, %F6 /* FPA */; \ inc %o5 /* IEU0 Group */; \ add %o2, %o4, %o2 /* IEU1 */; \ fcmpgt32 %f4, %F4, %g3 /* FPM Group */; \ srl %o5, 1, %o5 /* IEU0 */; \ inc %g1 /* IEU1 */; \ fpadd32 %F8, %f8, %F8 /* FPA */; \ fcmpgt32 %f6, %F6, %g5 /* FPM Group */; \ srl %g1, 1, %g1 /* IEU0 */; \ add %o2, %o5, %o2 /* IEU1 */; \ fpadd32 %F10, %f10, %F10 /* FPA */; \ inc %g2 /* IEU0 Group */; \ add %o2, %g1, %o2 /* IEU1 */; \ fcmpgt32 %f8, %F8, %g7 /* FPM Group */; \ srl %g2, 1, %g2 /* IEU0 */; \ inc %g3 /* IEU1 */; \ fpadd32 %F12, %f12, %F12 /* FPA */; \ fcmpgt32 %f10, %F10, %o3 /* FPM Group */; \ srl %g3, 1, %g3 /* IEU0 */; \ add %o2, %g2, %o2 /* IEU1 */; \ fpadd32 %F14, %f14, %F14 /* FPA */; \ inc %g5 /* IEU0 Group */; \ add %o2, %g3, %o2 /* IEU1 */; #define END_THE_TRICK(O12,O14,f0,f2,f4,f6,f8,f10,f12,f14,S0,S1,S2,S3,T0,T1,U0,fz) \ fcmpgt32 %O12, %f12, %o4 /* FPM Group */; \ srl %g5, 1, %g5 /* IEU0 */; \ inc %g7 /* IEU1 */; \ fpadd32 %f2, %f0, %S0 /* FPA */; \ fcmpgt32 %O14, %f14, %o5 /* FPM Group */; \ srl %g7, 1, %g7 /* IEU0 */; \ add %o2, %g5, %o2 /* IEU1 */; \ fpadd32 %f6, %f4, %S1 /* FPA */; \ inc %o3 /* IEU0 Group */; \ add %o2, %g7, %o2 /* IEU1 */; \ fcmpgt32 %f0, %S0, %g1 /* FPM Group */; \ srl %o3, 1, %o3 /* IEU0 */; \ inc %o4 /* IEU1 */; \ fpadd32 %f10, %f8, %S2 /* FPA */; \ fcmpgt32 %f4, %S1, %g2 /* FPM Group */; \ srl %o4, 1, %o4 /* IEU0 */; \ add %o2, %o3, %o2 /* IEU1 */; \ fpadd32 %f14, %f12, %S3 /* FPA */; \ inc %o5 /* IEU0 Group */; \ add %o2, %o4, %o2 /* IEU1 */; \ fzero %fz /* FPA */; \ fcmpgt32 %f8, %S2, %g3 /* FPM Group */; \ srl %o5, 1, %o5 /* IEU0 */; \ inc %g1 /* IEU1 */; \ fpadd32 %S0, %S1, %T0 /* FPA */; \ fcmpgt32 %f12, %S3, %g5 /* FPM Group */; \ srl %g1, 1, %g1 /* IEU0 */; \ add %o2, %o5, %o2 /* IEU1 */; \ fpadd32 %S2, %S3, %T1 /* FPA */; \ inc %g2 /* IEU0 Group */; \ add %o2, %g1, %o2 /* IEU1 */; \ fcmpgt32 %S0, %T0, %g7 /* FPM Group */; \ srl %g2, 1, %g2 /* IEU0 */; \ inc %g3 /* IEU1 */; \ fcmpgt32 %S2, %T1, %o3 /* FPM Group */; \ srl %g3, 1, %g3 /* IEU0 */; \ add %o2, %g2, %o2 /* IEU1 */; \ inc %g5 /* IEU0 Group */; \ add %o2, %g3, %o2 /* IEU1 */; \ fcmpgt32 %fz, %f2, %o4 /* FPM Group */; \ srl %g5, 1, %g5 /* IEU0 */; \ inc %g7 /* IEU1 */; \ fpadd32 %T0, %T1, %U0 /* FPA */; \ fcmpgt32 %fz, %f6, %o5 /* FPM Group */; \ srl %g7, 1, %g7 /* IEU0 */; \ add %o2, %g5, %o2 /* IEU1 */; \ inc %o3 /* IEU0 Group */; \ add %o2, %g7, %o2 /* IEU1 */; \ fcmpgt32 %fz, %f10, %g1 /* FPM Group */; \ srl %o3, 1, %o3 /* IEU0 */; \ inc %o4 /* IEU1 */; \ fcmpgt32 %fz, %f14, %g2 /* FPM Group */; \ srl %o4, 1, %o4 /* IEU0 */; \ add %o2, %o3, %o2 /* IEU1 */; \ std %U0, [%sp + STACKOFF] /* Store Group */; \ inc %o5 /* IEU0 */; \ sub %o2, %o4, %o2 /* IEU1 */; \ fcmpgt32 %fz, %S1, %g3 /* FPM Group */; \ srl %o5, 1, %o5 /* IEU0 */; \ inc %g1 /* IEU1 */; \ fcmpgt32 %fz, %S3, %g5 /* FPM Group */; \ srl %g1, 1, %g1 /* IEU0 */; \ sub %o2, %o5, %o2 /* IEU1 */; \ ldx [%sp + STACKOFF], %o5 /* Load Group */; \ inc %g2 /* IEU0 */; \ sub %o2, %g1, %o2 /* IEU1 */; \ fcmpgt32 %fz, %T1, %g7 /* FPM Group */; \ srl %g2, 1, %g2 /* IEU0 */; \ inc %g3 /* IEU1 */; \ fcmpgt32 %T0, %U0, %o3 /* FPM Group */; \ srl %g3, 1, %g3 /* IEU0 */; \ sub %o2, %g2, %o2 /* IEU1 */; \ inc %g5 /* IEU0 Group */; \ sub %o2, %g3, %o2 /* IEU1 */; \ fcmpgt32 %fz, %U0, %o4 /* FPM Group */; \ srl %g5, 1, %g5 /* IEU0 */; \ inc %g7 /* IEU1 */; \ srl %g7, 1, %g7 /* IEU0 Group */; \ sub %o2, %g5, %o2 /* IEU1 */; \ inc %o3 /* IEU0 Group */; \ sub %o2, %g7, %o2 /* IEU1 */; \ srl %o3, 1, %o3 /* IEU0 Group */; \ inc %o4 /* IEU1 */; \ srl %o4, 1, %o4 /* IEU0 Group */; \ add %o2, %o3, %o2 /* IEU1 */; \ sub %o2, %o4, %o2 /* IEU0 Group */; \ addcc %o2, %o5, %o2 /* IEU1 Group */; \ bcs,a,pn %xcc, 33f /* CTI */; \ add %o2, 1, %o2 /* IEU0 */; \ 33: /* That's it */; #define CSUM_LASTCHUNK(offset) \ ldx [%o0 - offset - 0x10], %g2; \ ldx [%o0 - offset - 0x08], %g3; \ addcc %g2, %o2, %o2; \ bcs,a,pn %xcc, 31f; \ add %o2, 1, %o2; \ 31: addcc %g3, %o2, %o2; \ bcs,a,pn %xcc, 32f; \ add %o2, 1, %o2; \ 32: .text .globl csum_partial .align 32 csum_partial: andcc %o0, 7, %g0 /* IEU1 Group */ be,pt %icc, 4f /* CTI */ andcc %o0, 0x38, %g3 /* IEU1 */ mov 1, %g5 /* IEU0 Group */ cmp %o1, 6 /* IEU1 */ bl,pn %icc, 21f /* CTI */ andcc %o0, 2, %g0 /* IEU1 Group */ be,pt %icc, 1f /* CTI */ and %o0, 4, %g7 /* IEU0 */ lduh [%o0], %g2 /* Load */ sub %o1, 2, %o1 /* IEU0 Group */ add %o0, 2, %o0 /* IEU1 */ andcc %o0, 4, %g7 /* IEU1 Group */ sll %g5, 16, %g5 /* IEU0 */ sll %g2, 16, %g2 /* IEU0 Group */ addcc %g2, %o2, %o2 /* IEU1 Group (regdep) */ bcs,a,pn %icc, 1f /* CTI */ add %o2, %g5, %o2 /* IEU0 */ 1: ld [%o0], %g2 /* Load */ brz,a,pn %g7, 4f /* CTI+IEU1 Group */ and %o0, 0x38, %g3 /* IEU0 */ add %o0, 4, %o0 /* IEU0 Group */ sub %o1, 4, %o1 /* IEU1 */ addcc %g2, %o2, %o2 /* IEU1 Group */ bcs,a,pn %icc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: and %o0, 0x38, %g3 /* IEU1 Group */ 4: srl %o2, 0, %o2 /* IEU0 Group */ mov 0x40, %g1 /* IEU1 */ brz,pn %g3, 3f /* CTI+IEU1 Group */ sub %g1, %g3, %g1 /* IEU0 */ cmp %o1, 56 /* IEU1 Group */ blu,pn %icc, 20f /* CTI */ andcc %o0, 8, %g0 /* IEU1 Group */ be,pn %icc, 1f /* CTI */ ldx [%o0], %g2 /* Load */ add %o0, 8, %o0 /* IEU0 Group */ sub %o1, 8, %o1 /* IEU1 */ addcc %g2, %o2, %o2 /* IEU1 Group */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: andcc %g1, 0x10, %g0 /* IEU1 Group */ be,pn %icc, 2f /* CTI */ and %g1, 0x20, %g1 /* IEU0 */ ldx [%o0], %g2 /* Load */ ldx [%o0+8], %g3 /* Load Group */ add %o0, 16, %o0 /* IEU0 */ sub %o1, 16, %o1 /* IEU1 */ addcc %g2, %o2, %o2 /* IEU1 Group */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: addcc %g3, %o2, %o2 /* IEU1 Group */ bcs,a,pn %xcc, 2f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 2: brz,pn %g1, 3f /* CTI+IEU1 Group */ ldx [%o0], %g2 /* Load */ ldx [%o0+8], %g3 /* Load Group */ ldx [%o0+16], %g5 /* Load Group */ ldx [%o0+24], %g7 /* Load Group */ add %o0, 32, %o0 /* IEU0 */ sub %o1, 32, %o1 /* IEU1 */ addcc %g2, %o2, %o2 /* IEU1 Group */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: addcc %g3, %o2, %o2 /* IEU1 Group */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: addcc %g5, %o2, %o2 /* IEU1 Group */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: addcc %g7, %o2, %o2 /* IEU1 Group */ bcs,a,pn %xcc, 3f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 3: cmp %o1, 0xc0 /* IEU1 Group */ blu,pn %icc, 20f /* CTI */ sllx %o2, 32, %g5 /* IEU0 */ #ifdef __KERNEL__ VISEntry #endif addcc %o2, %g5, %o2 /* IEU1 Group */ sub %o1, 0xc0, %o1 /* IEU0 */ wr %g0, ASI_BLK_P, %asi /* LSU Group */ membar #StoreLoad /* LSU Group */ srlx %o2, 32, %o2 /* IEU0 Group */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU1 */ 1: andcc %o1, 0x80, %g0 /* IEU1 Group */ bne,pn %icc, 7f /* CTI */ andcc %o1, 0x40, %g0 /* IEU1 Group */ be,pn %icc, 6f /* CTI */ fzero %f12 /* FPA */ fzero %f14 /* FPA Group */ ldda [%o0 + 0x000] %asi, %f16 ldda [%o0 + 0x040] %asi, %f32 ldda [%o0 + 0x080] %asi, %f48 START_THE_TRICK(f12,f16,f18,f20,f22,f24,f26) ba,a,pt %xcc, 3f 6: sub %o0, 0x40, %o0 /* IEU0 Group */ fzero %f28 /* FPA */ fzero %f30 /* FPA Group */ ldda [%o0 + 0x040] %asi, %f32 ldda [%o0 + 0x080] %asi, %f48 ldda [%o0 + 0x0c0] %asi, %f0 START_THE_TRICK(f28,f32,f34,f36,f38,f40,f42) ba,a,pt %xcc, 4f 7: bne,pt %icc, 8f /* CTI */ fzero %f44 /* FPA */ add %o0, 0x40, %o0 /* IEU0 Group */ fzero %f60 /* FPA */ fzero %f62 /* FPA Group */ ldda [%o0 - 0x040] %asi, %f0 ldda [%o0 + 0x000] %asi, %f16 ldda [%o0 + 0x040] %asi, %f32 START_THE_TRICK(f60,f0,f2,f4,f6,f8,f10) ba,a,pt %xcc, 2f 8: add %o0, 0x80, %o0 /* IEU0 Group */ fzero %f46 /* FPA */ ldda [%o0 - 0x080] %asi, %f48 ldda [%o0 - 0x040] %asi, %f0 ldda [%o0 + 0x000] %asi, %f16 START_THE_TRICK(f44,f48,f50,f52,f54,f56,f58) 1: DO_THE_TRICK(f44,f46,f48,f50,f52,f54,f56,f58,f60,f62,f0,f2,f4,f6,f8,f10,f12,f14) ldda [%o0 + 0x040] %asi, %f32 2: DO_THE_TRICK(f60,f62,f0,f2,f4,f6,f8,f10,f12,f14,f16,f18,f20,f22,f24,f26,f28,f30) ldda [%o0 + 0x080] %asi, %f48 3: DO_THE_TRICK(f12,f14,f16,f18,f20,f22,f24,f26,f28,f30,f32,f34,f36,f38,f40,f42,f44,f46) ldda [%o0 + 0x0c0] %asi, %f0 4: DO_THE_TRICK(f28,f30,f32,f34,f36,f38,f40,f42,f44,f46,f48,f50,f52,f54,f56,f58,f60,f62) add %o0, 0x100, %o0 /* IEU0 Group */ subcc %o1, 0x100, %o1 /* IEU1 */ bgeu,a,pt %icc, 1b /* CTI */ ldda [%o0 + 0x000] %asi, %f16 membar #Sync /* LSU Group */ DO_THE_TRICK(f44,f46,f48,f50,f52,f54,f56,f58,f60,f62,f0,f2,f4,f6,f8,f10,f12,f14) END_THE_TRICK(f60,f62,f0,f2,f4,f6,f8,f10,f12,f14,f16,f18,f20,f22,f24,f26,f28,f30) #ifdef __KERNEL__ ldub [%g6 + AOFF_task_tss + AOFF_thread_current_ds], %g7 #endif and %o1, 0x3f, %o1 /* IEU0 Group */ #ifdef __KERNEL__ VISExit wr %g7, %g0, %asi #endif 20: andcc %o1, 0xf0, %g1 /* IEU1 Group */ be,pn %icc, 23f /* CTI */ and %o1, 0xf, %o3 /* IEU0 */ #ifdef __KERNEL__ 22: sll %g1, 1, %o4 /* IEU0 Group */ sethi %hi(23f), %g7 /* IEU1 */ sub %g7, %o4, %g7 /* IEU0 Group */ jmpl %g7 + %lo(23f), %g0 /* CTI Group brk forced */ add %o0, %g1, %o0 /* IEU0 */ #else 22: rd %pc, %g7 /* LSU Group+4bubbles */ sll %g1, 1, %o4 /* IEU0 Group */ sub %g7, %o4, %g7 /* IEU0 Group (regdep) */ jmpl %g7 + (23f - 22b), %g0 /* CTI Group brk forced */ add %o0, %g1, %o0 /* IEU0 */ #endif CSUM_LASTCHUNK(0xe0) CSUM_LASTCHUNK(0xd0) CSUM_LASTCHUNK(0xc0) CSUM_LASTCHUNK(0xb0) CSUM_LASTCHUNK(0xa0) CSUM_LASTCHUNK(0x90) CSUM_LASTCHUNK(0x80) CSUM_LASTCHUNK(0x70) CSUM_LASTCHUNK(0x60) CSUM_LASTCHUNK(0x50) CSUM_LASTCHUNK(0x40) CSUM_LASTCHUNK(0x30) CSUM_LASTCHUNK(0x20) CSUM_LASTCHUNK(0x10) CSUM_LASTCHUNK(0x00) 23: brnz,pn %o3, 26f /* CTI+IEU1 Group */ 24: sllx %o2, 32, %g1 /* IEU0 */ 25: addcc %o2, %g1, %o0 /* IEU1 Group */ srlx %o0, 32, %o0 /* IEU0 Group (regdep) */ bcs,a,pn %xcc, 1f /* CTI */ add %o0, 1, %o0 /* IEU1 */ 1: retl /* CTI Group brk forced */ srl %o0, 0, %o0 /* IEU0 */ 26: andcc %o1, 8, %g0 /* IEU1 Group */ be,pn %icc, 1f /* CTI */ ldx [%o0], %g3 /* Load */ add %o0, 8, %o0 /* IEU0 Group */ addcc %g3, %o2, %o2 /* IEU1 Group */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: andcc %o1, 4, %g0 /* IEU1 Group */ be,a,pn %icc, 1f /* CTI */ clr %g2 /* IEU0 */ ld [%o0], %g2 /* Load */ add %o0, 4, %o0 /* IEU0 Group */ sllx %g2, 32, %g2 /* IEU0 Group */ 1: andcc %o1, 2, %g0 /* IEU1 */ be,a,pn %icc, 1f /* CTI */ clr %o4 /* IEU0 Group */ lduh [%o0], %o4 /* Load */ add %o0, 2, %o0 /* IEU1 */ sll %o4, 16, %o4 /* IEU0 Group */ 1: andcc %o1, 1, %g0 /* IEU1 */ be,a,pn %icc, 1f /* CTI */ clr %o5 /* IEU0 Group */ ldub [%o0], %o5 /* Load */ sll %o5, 8, %o5 /* IEU0 Group */ 1: or %g2, %o4, %o4 /* IEU1 */ or %o5, %o4, %o4 /* IEU0 Group (regdep) */ addcc %o4, %o2, %o2 /* IEU1 Group (regdep) */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: ba,pt %xcc, 25b /* CTI Group */ sllx %o2, 32, %g1 /* IEU0 */ 21: srl %o2, 0, %o2 /* IEU0 Group */ cmp %o1, 0 /* IEU1 */ be,pn %icc, 24b /* CTI */ andcc %o1, 4, %g0 /* IEU1 Group */ be,a,pn %icc, 1f /* CTI */ clr %g2 /* IEU0 */ lduh [%o0], %g3 /* Load */ lduh [%o0+2], %g2 /* Load Group */ add %o0, 4, %o0 /* IEU0 Group */ sllx %g3, 48, %g3 /* IEU0 Group */ sllx %g2, 32, %g2 /* IEU0 Group */ or %g3, %g2, %g2 /* IEU0 Group */ 1: andcc %o1, 2, %g0 /* IEU1 */ be,a,pn %icc, 1f /* CTI */ clr %o4 /* IEU0 Group */ lduh [%o0], %o4 /* Load */ add %o0, 2, %o0 /* IEU1 */ sll %o4, 16, %o4 /* IEU0 Group */ 1: andcc %o1, 1, %g0 /* IEU1 */ be,a,pn %icc, 1f /* CTI */ clr %o5 /* IEU0 Group */ ldub [%o0], %o5 /* Load */ sll %o5, 8, %o5 /* IEU0 Group */ 1: or %g2, %o4, %o4 /* IEU1 */ or %o5, %o4, %o4 /* IEU0 Group (regdep) */ addcc %o4, %o2, %o2 /* IEU1 Group (regdep) */ bcs,a,pn %xcc, 1f /* CTI */ add %o2, 1, %o2 /* IEU0 */ 1: ba,pt %xcc, 25b /* CTI Group */ sllx %o2, 32, %g1 /* IEU0 */ |