projects / mirror_zfs-debian.git / blame
| Commit | Line | Data |
|---|---|---|
| a26baf28 BB |
1 | /* |
| 2 | * CDDL HEADER START | |
| 3 | * | |
| 4 | * The contents of this file are subject to the terms of the | |
| 5 | * Common Development and Distribution License (the "License"). | |
| 6 | * You may not use this file except in compliance with the License. | |
| 7 | * | |
| 8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
| 9 | * or http://www.opensolaris.org/os/licensing. | |
| 10 | * See the License for the specific language governing permissions | |
| 11 | * and limitations under the License. | |
| 12 | * | |
| 13 | * When distributing Covered Code, include this CDDL HEADER in each | |
| 14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
| 15 | * If applicable, add the following below this CDDL HEADER, with the | |
| 16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
| 17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
| 18 | * | |
| 19 | * CDDL HEADER END | |
| 20 | */ | |
| 21 | /* | |
| 22 | * Copyright 2007 Sun Microsystems, Inc. All rights reserved. | |
| 23 | * Use is subject to license terms. | |
| 24 | */ | |
| 25 | ||
| 26 | .ident "%Z%%M% %I% %E% SMI" | |
| 27 | ||
| 28 | .file "%M%" | |
| 29 | ||
| 30 | #define _ASM | |
| 31 | #include <ia32/sys/asm_linkage.h> | |
| 32 | ||
| 33 | ENTRY(atomic_inc_8) | |
| 34 | ALTENTRY(atomic_inc_uchar) | |
| 35 | lock | |
| 36 | incb (%rdi) | |
| 37 | ret | |
| 38 | SET_SIZE(atomic_inc_uchar) | |
| 39 | SET_SIZE(atomic_inc_8) | |
| 40 | ||
| 41 | ENTRY(atomic_inc_16) | |
| 42 | ALTENTRY(atomic_inc_ushort) | |
| 43 | lock | |
| 44 | incw (%rdi) | |
| 45 | ret | |
| 46 | SET_SIZE(atomic_inc_ushort) | |
| 47 | SET_SIZE(atomic_inc_16) | |
| 48 | ||
| 49 | ENTRY(atomic_inc_32) | |
| 50 | ALTENTRY(atomic_inc_uint) | |
| 51 | lock | |
| 52 | incl (%rdi) | |
| 53 | ret | |
| 54 | SET_SIZE(atomic_inc_uint) | |
| 55 | SET_SIZE(atomic_inc_32) | |
| 56 | ||
| 57 | ENTRY(atomic_inc_64) | |
| 58 | ALTENTRY(atomic_inc_ulong) | |
| 59 | lock | |
| 60 | incq (%rdi) | |
| 61 | ret | |
| 62 | SET_SIZE(atomic_inc_ulong) | |
| 63 | SET_SIZE(atomic_inc_64) | |
| 64 | ||
| 65 | ENTRY(atomic_inc_8_nv) | |
| 66 | ALTENTRY(atomic_inc_uchar_nv) | |
| 67 | movb (%rdi), %al | |
| 68 | 1: | |
| 69 | leaq 1(%rax), %rcx | |
| 70 | lock | |
| 71 | cmpxchgb %cl, (%rdi) | |
| 72 | jne 1b | |
| 73 | movzbl %cl, %eax | |
| 74 | ret | |
| 75 | SET_SIZE(atomic_inc_uchar_nv) | |
| 76 | SET_SIZE(atomic_inc_8_nv) | |
| 77 | ||
| 78 | ENTRY(atomic_inc_16_nv) | |
| 79 | ALTENTRY(atomic_inc_ushort_nv) | |
| 80 | movw (%rdi), %ax | |
| 81 | 1: | |
| 82 | leaq 1(%rax), %rcx | |
| 83 | lock | |
| 84 | cmpxchgw %cx, (%rdi) | |
| 85 | jne 1b | |
| 86 | movzwl %cx, %eax | |
| 87 | ret | |
| 88 | SET_SIZE(atomic_inc_ushort_nv) | |
| 89 | SET_SIZE(atomic_inc_16_nv) | |
| 90 | ||
| 91 | ENTRY(atomic_inc_32_nv) | |
| 92 | ALTENTRY(atomic_inc_uint_nv) | |
| 93 | movl (%rdi), %eax | |
| 94 | 1: | |
| 95 | leaq 1(%rax), %rcx | |
| 96 | lock | |
| 97 | cmpxchgl %ecx, (%rdi) | |
| 98 | jne 1b | |
| 99 | movl %ecx, %eax | |
| 100 | ret | |
| 101 | SET_SIZE(atomic_inc_uint_nv) | |
| 102 | SET_SIZE(atomic_inc_32_nv) | |
| 103 | ||
| 104 | ENTRY(atomic_inc_64_nv) | |
| 105 | ALTENTRY(atomic_inc_ulong_nv) | |
| 106 | movq (%rdi), %rax | |
| 107 | 1: | |
| 108 | leaq 1(%rax), %rcx | |
| 109 | lock | |
| 110 | cmpxchgq %rcx, (%rdi) | |
| 111 | jne 1b | |
| 112 | movq %rcx, %rax | |
| 113 | ret | |
| 114 | SET_SIZE(atomic_inc_ulong_nv) | |
| 115 | SET_SIZE(atomic_inc_64_nv) | |
| 116 | ||
| 117 | ENTRY(atomic_dec_8) | |
| 118 | ALTENTRY(atomic_dec_uchar) | |
| 119 | lock | |
| 120 | decb (%rdi) | |
| 121 | ret | |
| 122 | SET_SIZE(atomic_dec_uchar) | |
| 123 | SET_SIZE(atomic_dec_8) | |
| 124 | ||
| 125 | ENTRY(atomic_dec_16) | |
| 126 | ALTENTRY(atomic_dec_ushort) | |
| 127 | lock | |
| 128 | decw (%rdi) | |
| 129 | ret | |
| 130 | SET_SIZE(atomic_dec_ushort) | |
| 131 | SET_SIZE(atomic_dec_16) | |
| 132 | ||
| 133 | ENTRY(atomic_dec_32) | |
| 134 | ALTENTRY(atomic_dec_uint) | |
| 135 | lock | |
| 136 | decl (%rdi) | |
| 137 | ret | |
| 138 | SET_SIZE(atomic_dec_uint) | |
| 139 | SET_SIZE(atomic_dec_32) | |
| 140 | ||
| 141 | ENTRY(atomic_dec_64) | |
| 142 | ALTENTRY(atomic_dec_ulong) | |
| 143 | lock | |
| 144 | decq (%rdi) | |
| 145 | ret | |
| 146 | SET_SIZE(atomic_dec_ulong) | |
| 147 | SET_SIZE(atomic_dec_64) | |
| 148 | ||
| 149 | ENTRY(atomic_dec_8_nv) | |
| 150 | ALTENTRY(atomic_dec_uchar_nv) | |
| 151 | movb (%rdi), %al | |
| 152 | 1: | |
| 153 | leaq -1(%rax), %rcx | |
| 154 | lock | |
| 155 | cmpxchgb %cl, (%rdi) | |
| 156 | jne 1b | |
| 157 | movzbl %cl, %eax | |
| 158 | ret | |
| 159 | SET_SIZE(atomic_dec_uchar_nv) | |
| 160 | SET_SIZE(atomic_dec_8_nv) | |
| 161 | ||
| 162 | ENTRY(atomic_dec_16_nv) | |
| 163 | ALTENTRY(atomic_dec_ushort_nv) | |
| 164 | movw (%rdi), %ax | |
| 165 | 1: | |
| 166 | leaq -1(%rax), %rcx | |
| 167 | lock | |
| 168 | cmpxchgw %cx, (%rdi) | |
| 169 | jne 1b | |
| 170 | movzwl %cx, %eax | |
| 171 | ret | |
| 172 | SET_SIZE(atomic_dec_ushort_nv) | |
| 173 | SET_SIZE(atomic_dec_16_nv) | |
| 174 | ||
| 175 | ENTRY(atomic_dec_32_nv) | |
| 176 | ALTENTRY(atomic_dec_uint_nv) | |
| 177 | movl (%rdi), %eax | |
| 178 | 1: | |
| 179 | leaq -1(%rax), %rcx | |
| 180 | lock | |
| 181 | cmpxchgl %ecx, (%rdi) | |
| 182 | jne 1b | |
| 183 | movl %ecx, %eax | |
| 184 | ret | |
| 185 | SET_SIZE(atomic_dec_uint_nv) | |
| 186 | SET_SIZE(atomic_dec_32_nv) | |
| 187 | ||
| 188 | ENTRY(atomic_dec_64_nv) | |
| 189 | ALTENTRY(atomic_dec_ulong_nv) | |
| 190 | movq (%rdi), %rax | |
| 191 | 1: | |
| 192 | leaq -1(%rax), %rcx | |
| 193 | lock | |
| 194 | cmpxchgq %rcx, (%rdi) | |
| 195 | jne 1b | |
| 196 | movq %rcx, %rax | |
| 197 | ret | |
| 198 | SET_SIZE(atomic_dec_ulong_nv) | |
| 199 | SET_SIZE(atomic_dec_64_nv) | |
| 200 | ||
| 201 | ENTRY(atomic_add_8) | |
| 202 | ALTENTRY(atomic_add_char) | |
| 203 | lock | |
| 204 | addb %sil, (%rdi) | |
| 205 | ret | |
| 206 | SET_SIZE(atomic_add_char) | |
| 207 | SET_SIZE(atomic_add_8) | |
| 208 | ||
| 209 | ENTRY(atomic_add_16) | |
| 210 | ALTENTRY(atomic_add_short) | |
| 211 | lock | |
| 212 | addw %si, (%rdi) | |
| 213 | ret | |
| 214 | SET_SIZE(atomic_add_short) | |
| 215 | SET_SIZE(atomic_add_16) | |
| 216 | ||
| 217 | ENTRY(atomic_add_32) | |
| 218 | ALTENTRY(atomic_add_int) | |
| 219 | lock | |
| 220 | addl %esi, (%rdi) | |
| 221 | ret | |
| 222 | SET_SIZE(atomic_add_int) | |
| 223 | SET_SIZE(atomic_add_32) | |
| 224 | ||
| 225 | ENTRY(atomic_add_64) | |
| 226 | ALTENTRY(atomic_add_ptr) | |
| 227 | ALTENTRY(atomic_add_long) | |
| 228 | lock | |
| 229 | addq %rsi, (%rdi) | |
| 230 | ret | |
| 231 | SET_SIZE(atomic_add_long) | |
| 232 | SET_SIZE(atomic_add_ptr) | |
| 233 | SET_SIZE(atomic_add_64) | |
| 234 | ||
| 142e6dd1 ED |
235 | ENTRY(atomic_sub_8) |
| 236 | ALTENTRY(atomic_sub_char) | |
| 237 | lock | |
| 238 | subb %sil, (%rdi) | |
| 239 | ret | |
| 240 | SET_SIZE(atomic_sub_char) | |
| 241 | SET_SIZE(atomic_sub_8) | |
| 242 | ||
| 243 | ENTRY(atomic_sub_16) | |
| 244 | ALTENTRY(atomic_sub_short) | |
| 245 | lock | |
| 246 | subw %si, (%rdi) | |
| 247 | ret | |
| 248 | SET_SIZE(atomic_sub_short) | |
| 249 | SET_SIZE(atomic_sub_16) | |
| 250 | ||
| 251 | ENTRY(atomic_sub_32) | |
| 252 | ALTENTRY(atomic_sub_int) | |
| 253 | lock | |
| 254 | subl %esi, (%rdi) | |
| 255 | ret | |
| 256 | SET_SIZE(atomic_sub_int) | |
| 257 | SET_SIZE(atomic_sub_32) | |
| 258 | ||
| 259 | ENTRY(atomic_sub_64) | |
| 260 | ALTENTRY(atomic_sub_ptr) | |
| 261 | ALTENTRY(atomic_sub_long) | |
| 262 | lock | |
| 263 | subq %rsi, (%rdi) | |
| 264 | ret | |
| 265 | SET_SIZE(atomic_sub_long) | |
| 266 | SET_SIZE(atomic_sub_ptr) | |
| 267 | SET_SIZE(atomic_sub_64) | |
| 268 | ||
| a26baf28 BB |
269 | ENTRY(atomic_or_8) |
| 270 | ALTENTRY(atomic_or_uchar) | |
| 271 | lock | |
| 272 | orb %sil, (%rdi) | |
| 273 | ret | |
| 274 | SET_SIZE(atomic_or_uchar) | |
| 275 | SET_SIZE(atomic_or_8) | |
| 276 | ||
| 277 | ENTRY(atomic_or_16) | |
| 278 | ALTENTRY(atomic_or_ushort) | |
| 279 | lock | |
| 280 | orw %si, (%rdi) | |
| 281 | ret | |
| 282 | SET_SIZE(atomic_or_ushort) | |
| 283 | SET_SIZE(atomic_or_16) | |
| 284 | ||
| 285 | ENTRY(atomic_or_32) | |
| 286 | ALTENTRY(atomic_or_uint) | |
| 287 | lock | |
| 288 | orl %esi, (%rdi) | |
| 289 | ret | |
| 290 | SET_SIZE(atomic_or_uint) | |
| 291 | SET_SIZE(atomic_or_32) | |
| 292 | ||
| 293 | ENTRY(atomic_or_64) | |
| 294 | ALTENTRY(atomic_or_ulong) | |
| 295 | lock | |
| 296 | orq %rsi, (%rdi) | |
| 297 | ret | |
| 298 | SET_SIZE(atomic_or_ulong) | |
| 299 | SET_SIZE(atomic_or_64) | |
| 300 | ||
| 301 | ENTRY(atomic_and_8) | |
| 302 | ALTENTRY(atomic_and_uchar) | |
| 303 | lock | |
| 304 | andb %sil, (%rdi) | |
| 305 | ret | |
| 306 | SET_SIZE(atomic_and_uchar) | |
| 307 | SET_SIZE(atomic_and_8) | |
| 308 | ||
| 309 | ENTRY(atomic_and_16) | |
| 310 | ALTENTRY(atomic_and_ushort) | |
| 311 | lock | |
| 312 | andw %si, (%rdi) | |
| 313 | ret | |
| 314 | SET_SIZE(atomic_and_ushort) | |
| 315 | SET_SIZE(atomic_and_16) | |
| 316 | ||
| 317 | ENTRY(atomic_and_32) | |
| 318 | ALTENTRY(atomic_and_uint) | |
| 319 | lock | |
| 320 | andl %esi, (%rdi) | |
| 321 | ret | |
| 322 | SET_SIZE(atomic_and_uint) | |
| 323 | SET_SIZE(atomic_and_32) | |
| 324 | ||
| 325 | ENTRY(atomic_and_64) | |
| 326 | ALTENTRY(atomic_and_ulong) | |
| 327 | lock | |
| 328 | andq %rsi, (%rdi) | |
| 329 | ret | |
| 330 | SET_SIZE(atomic_and_ulong) | |
| 331 | SET_SIZE(atomic_and_64) | |
| 332 | ||
| 333 | ENTRY(atomic_add_8_nv) | |
| 334 | ALTENTRY(atomic_add_char_nv) | |
| 335 | movb (%rdi), %al | |
| 336 | 1: | |
| 337 | movb %sil, %cl | |
| 338 | addb %al, %cl | |
| 339 | lock | |
| 340 | cmpxchgb %cl, (%rdi) | |
| 341 | jne 1b | |
| 342 | movzbl %cl, %eax | |
| 343 | ret | |
| 344 | SET_SIZE(atomic_add_char_nv) | |
| 345 | SET_SIZE(atomic_add_8_nv) | |
| 346 | ||
| 347 | ENTRY(atomic_add_16_nv) | |
| 348 | ALTENTRY(atomic_add_short_nv) | |
| 349 | movw (%rdi), %ax | |
| 350 | 1: | |
| 351 | movw %si, %cx | |
| 352 | addw %ax, %cx | |
| 353 | lock | |
| 354 | cmpxchgw %cx, (%rdi) | |
| 355 | jne 1b | |
| 356 | movzwl %cx, %eax | |
| 357 | ret | |
| 358 | SET_SIZE(atomic_add_short_nv) | |
| 359 | SET_SIZE(atomic_add_16_nv) | |
| 360 | ||
| 361 | ENTRY(atomic_add_32_nv) | |
| 362 | ALTENTRY(atomic_add_int_nv) | |
| 363 | movl (%rdi), %eax | |
| 364 | 1: | |
| 365 | movl %esi, %ecx | |
| 366 | addl %eax, %ecx | |
| 367 | lock | |
| 368 | cmpxchgl %ecx, (%rdi) | |
| 369 | jne 1b | |
| 370 | movl %ecx, %eax | |
| 371 | ret | |
| 372 | SET_SIZE(atomic_add_int_nv) | |
| 373 | SET_SIZE(atomic_add_32_nv) | |
| 374 | ||
| 375 | ENTRY(atomic_add_64_nv) | |
| 376 | ALTENTRY(atomic_add_ptr_nv) | |
| 377 | ALTENTRY(atomic_add_long_nv) | |
| 378 | movq (%rdi), %rax | |
| 379 | 1: | |
| 380 | movq %rsi, %rcx | |
| 381 | addq %rax, %rcx | |
| 382 | lock | |
| 383 | cmpxchgq %rcx, (%rdi) | |
| 384 | jne 1b | |
| 385 | movq %rcx, %rax | |
| 386 | ret | |
| 387 | SET_SIZE(atomic_add_long_nv) | |
| 388 | SET_SIZE(atomic_add_ptr_nv) | |
| 389 | SET_SIZE(atomic_add_64_nv) | |
| 390 | ||
| 142e6dd1 ED |
391 | ENTRY(atomic_sub_8_nv) |
| 392 | ALTENTRY(atomic_sub_char_nv) | |
| 393 | movb (%rdi), %al | |
| 394 | 1: | |
| 395 | movb %sil, %cl | |
| 396 | subb %al, %cl | |
| 397 | lock | |
| 398 | cmpxchgb %cl, (%rdi) | |
| 399 | jne 1b | |
| 400 | movzbl %cl, %eax | |
| 401 | ret | |
| 402 | SET_SIZE(atomic_sub_char_nv) | |
| 403 | SET_SIZE(atomic_sub_8_nv) | |
| 404 | ||
| 405 | ENTRY(atomic_sub_16_nv) | |
| 406 | ALTENTRY(atomic_sub_short_nv) | |
| 407 | movw (%rdi), %ax | |
| 408 | 1: | |
| 409 | movw %si, %cx | |
| 410 | subw %ax, %cx | |
| 411 | lock | |
| 412 | cmpxchgw %cx, (%rdi) | |
| 413 | jne 1b | |
| 414 | movzwl %cx, %eax | |
| 415 | ret | |
| 416 | SET_SIZE(atomic_sub_short_nv) | |
| 417 | SET_SIZE(atomic_sub_16_nv) | |
| 418 | ||
| 419 | ENTRY(atomic_sub_32_nv) | |
| 420 | ALTENTRY(atomic_sub_int_nv) | |
| 421 | movl (%rdi), %eax | |
| 422 | 1: | |
| 423 | movl %esi, %ecx | |
| 424 | subl %eax, %ecx | |
| 425 | lock | |
| 426 | cmpxchgl %ecx, (%rdi) | |
| 427 | jne 1b | |
| 428 | movl %ecx, %eax | |
| 429 | ret | |
| 430 | SET_SIZE(atomic_sub_int_nv) | |
| 431 | SET_SIZE(atomic_sub_32_nv) | |
| 432 | ||
| 433 | ENTRY(atomic_sub_64_nv) | |
| 434 | ALTENTRY(atomic_sub_ptr_nv) | |
| 435 | ALTENTRY(atomic_sub_long_nv) | |
| 436 | movq (%rdi), %rax | |
| 437 | 1: | |
| 438 | movq %rsi, %rcx | |
| 439 | subq %rax, %rcx | |
| 440 | lock | |
| 441 | cmpxchgq %rcx, (%rdi) | |
| 442 | jne 1b | |
| 443 | movq %rcx, %rax | |
| 444 | ret | |
| 445 | SET_SIZE(atomic_sub_long_nv) | |
| 446 | SET_SIZE(atomic_sub_ptr_nv) | |
| 447 | SET_SIZE(atomic_sub_64_nv) | |
| 448 | ||
| a26baf28 BB |
449 | ENTRY(atomic_and_8_nv) |
| 450 | ALTENTRY(atomic_and_uchar_nv) | |
| 451 | movb (%rdi), %al | |
| 452 | 1: | |
| 453 | movb %sil, %cl | |
| 454 | andb %al, %cl | |
| 455 | lock | |
| 456 | cmpxchgb %cl, (%rdi) | |
| 457 | jne 1b | |
| 458 | movzbl %cl, %eax | |
| 459 | ret | |
| 460 | SET_SIZE(atomic_and_uchar_nv) | |
| 461 | SET_SIZE(atomic_and_8_nv) | |
| 462 | ||
| 463 | ENTRY(atomic_and_16_nv) | |
| 464 | ALTENTRY(atomic_and_ushort_nv) | |
| 465 | movw (%rdi), %ax | |
| 466 | 1: | |
| 467 | movw %si, %cx | |
| 468 | andw %ax, %cx | |
| 469 | lock | |
| 470 | cmpxchgw %cx, (%rdi) | |
| 471 | jne 1b | |
| 472 | movzwl %cx, %eax | |
| 473 | ret | |
| 474 | SET_SIZE(atomic_and_ushort_nv) | |
| 475 | SET_SIZE(atomic_and_16_nv) | |
| 476 | ||
| 477 | ENTRY(atomic_and_32_nv) | |
| 478 | ALTENTRY(atomic_and_uint_nv) | |
| 479 | movl (%rdi), %eax | |
| 480 | 1: | |
| 481 | movl %esi, %ecx | |
| 482 | andl %eax, %ecx | |
| 483 | lock | |
| 484 | cmpxchgl %ecx, (%rdi) | |
| 485 | jne 1b | |
| 486 | movl %ecx, %eax | |
| 487 | ret | |
| 488 | SET_SIZE(atomic_and_uint_nv) | |
| 489 | SET_SIZE(atomic_and_32_nv) | |
| 490 | ||
| 491 | ENTRY(atomic_and_64_nv) | |
| 492 | ALTENTRY(atomic_and_ulong_nv) | |
| 493 | movq (%rdi), %rax | |
| 494 | 1: | |
| 495 | movq %rsi, %rcx | |
| 496 | andq %rax, %rcx | |
| 497 | lock | |
| 498 | cmpxchgq %rcx, (%rdi) | |
| 499 | jne 1b | |
| 500 | movq %rcx, %rax | |
| 501 | ret | |
| 502 | SET_SIZE(atomic_and_ulong_nv) | |
| 503 | SET_SIZE(atomic_and_64_nv) | |
| 504 | ||
| 505 | ENTRY(atomic_or_8_nv) | |
| 506 | ALTENTRY(atomic_or_uchar_nv) | |
| 507 | movb (%rdi), %al | |
| 508 | 1: | |
| 509 | movb %sil, %cl | |
| 510 | orb %al, %cl | |
| 511 | lock | |
| 512 | cmpxchgb %cl, (%rdi) | |
| 513 | jne 1b | |
| 514 | movzbl %cl, %eax | |
| 515 | ret | |
| 516 | SET_SIZE(atomic_and_uchar_nv) | |
| 517 | SET_SIZE(atomic_and_8_nv) | |
| 518 | ||
| 519 | ENTRY(atomic_or_16_nv) | |
| 520 | ALTENTRY(atomic_or_ushort_nv) | |
| 521 | movw (%rdi), %ax | |
| 522 | 1: | |
| 523 | movw %si, %cx | |
| 524 | orw %ax, %cx | |
| 525 | lock | |
| 526 | cmpxchgw %cx, (%rdi) | |
| 527 | jne 1b | |
| 528 | movzwl %cx, %eax | |
| 529 | ret | |
| 530 | SET_SIZE(atomic_or_ushort_nv) | |
| 531 | SET_SIZE(atomic_or_16_nv) | |
| 532 | ||
| 533 | ENTRY(atomic_or_32_nv) | |
| 534 | ALTENTRY(atomic_or_uint_nv) | |
| 535 | movl (%rdi), %eax | |
| 536 | 1: | |
| 537 | movl %esi, %ecx | |
| 538 | orl %eax, %ecx | |
| 539 | lock | |
| 540 | cmpxchgl %ecx, (%rdi) | |
| 541 | jne 1b | |
| 542 | movl %ecx, %eax | |
| 543 | ret | |
| 544 | SET_SIZE(atomic_or_uint_nv) | |
| 545 | SET_SIZE(atomic_or_32_nv) | |
| 546 | ||
| 547 | ENTRY(atomic_or_64_nv) | |
| 548 | ALTENTRY(atomic_or_ulong_nv) | |
| 549 | movq (%rdi), %rax | |
| 550 | 1: | |
| 551 | movq %rsi, %rcx | |
| 552 | orq %rax, %rcx | |
| 553 | lock | |
| 554 | cmpxchgq %rcx, (%rdi) | |
| 555 | jne 1b | |
| 556 | movq %rcx, %rax | |
| 557 | ret | |
| 558 | SET_SIZE(atomic_or_ulong_nv) | |
| 559 | SET_SIZE(atomic_or_64_nv) | |
| 560 | ||
| 561 | ENTRY(atomic_cas_8) | |
| 562 | ALTENTRY(atomic_cas_uchar) | |
| 563 | movzbl %sil, %eax | |
| 564 | lock | |
| 565 | cmpxchgb %dl, (%rdi) | |
| 566 | ret | |
| 567 | SET_SIZE(atomic_cas_uchar) | |
| 568 | SET_SIZE(atomic_cas_8) | |
| 569 | ||
| 570 | ENTRY(atomic_cas_16) | |
| 571 | ALTENTRY(atomic_cas_ushort) | |
| 572 | movzwl %si, %eax | |
| 573 | lock | |
| 574 | cmpxchgw %dx, (%rdi) | |
| 575 | ret | |
| 576 | SET_SIZE(atomic_cas_ushort) | |
| 577 | SET_SIZE(atomic_cas_16) | |
| 578 | ||
| 579 | ENTRY(atomic_cas_32) | |
| 580 | ALTENTRY(atomic_cas_uint) | |
| 581 | movl %esi, %eax | |
| 582 | lock | |
| 583 | cmpxchgl %edx, (%rdi) | |
| 584 | ret | |
| 585 | SET_SIZE(atomic_cas_uint) | |
| 586 | SET_SIZE(atomic_cas_32) | |
| 587 | ||
| 588 | ENTRY(atomic_cas_64) | |
| 589 | ALTENTRY(atomic_cas_ulong) | |
| 590 | ALTENTRY(atomic_cas_ptr) | |
| 591 | movq %rsi, %rax | |
| 592 | lock | |
| 593 | cmpxchgq %rdx, (%rdi) | |
| 594 | ret | |
| 595 | SET_SIZE(atomic_cas_ptr) | |
| 596 | SET_SIZE(atomic_cas_ulong) | |
| 597 | SET_SIZE(atomic_cas_64) | |
| 598 | ||
| 599 | ENTRY(atomic_swap_8) | |
| 600 | ALTENTRY(atomic_swap_uchar) | |
| 601 | movzbl %sil, %eax | |
| 602 | lock | |
| 603 | xchgb %al, (%rdi) | |
| 604 | ret | |
| 605 | SET_SIZE(atomic_swap_uchar) | |
| 606 | SET_SIZE(atomic_swap_8) | |
| 607 | ||
| 608 | ENTRY(atomic_swap_16) | |
| 609 | ALTENTRY(atomic_swap_ushort) | |
| 610 | movzwl %si, %eax | |
| 611 | lock | |
| 612 | xchgw %ax, (%rdi) | |
| 613 | ret | |
| 614 | SET_SIZE(atomic_swap_ushort) | |
| 615 | SET_SIZE(atomic_swap_16) | |
| 616 | ||
| 617 | ENTRY(atomic_swap_32) | |
| 618 | ALTENTRY(atomic_swap_uint) | |
| 619 | movl %esi, %eax | |
| 620 | lock | |
| 621 | xchgl %eax, (%rdi) | |
| 622 | ret | |
| 623 | SET_SIZE(atomic_swap_uint) | |
| 624 | SET_SIZE(atomic_swap_32) | |
| 625 | ||
| 626 | ENTRY(atomic_swap_64) | |
| 627 | ALTENTRY(atomic_swap_ulong) | |
| 628 | ALTENTRY(atomic_swap_ptr) | |
| 629 | movq %rsi, %rax | |
| 630 | lock | |
| 631 | xchgq %rax, (%rdi) | |
| 632 | ret | |
| 633 | SET_SIZE(atomic_swap_ptr) | |
| 634 | SET_SIZE(atomic_swap_ulong) | |
| 635 | SET_SIZE(atomic_swap_64) | |
| 636 | ||
| 637 | ENTRY(atomic_set_long_excl) | |
| 638 | xorl %eax, %eax | |
| 639 | lock | |
| 640 | btsq %rsi, (%rdi) | |
| 641 | jnc 1f | |
| 642 | decl %eax | |
| 643 | 1: | |
| 644 | ret | |
| 645 | SET_SIZE(atomic_set_long_excl) | |
| 646 | ||
| 647 | ENTRY(atomic_clear_long_excl) | |
| 648 | xorl %eax, %eax | |
| 649 | lock | |
| 650 | btrq %rsi, (%rdi) | |
| 651 | jc 1f | |
| 652 | decl %eax | |
| 653 | 1: | |
| 654 | ret | |
| 655 | SET_SIZE(atomic_clear_long_excl) | |
| 656 | ||
| 657 | /* | |
| 658 | * NOTE: membar_enter, and membar_exit are identical routines. | |
| 659 | * We define them separately, instead of using an ALTENTRY | |
| 660 | * definitions to alias them together, so that DTrace and | |
| 661 | * debuggers will see a unique address for them, allowing | |
| 662 | * more accurate tracing. | |
| 663 | */ | |
| 664 | ||
| 665 | ENTRY(membar_enter) | |
| 666 | mfence | |
| 667 | ret | |
| 668 | SET_SIZE(membar_enter) | |
| 669 | ||
| 670 | ENTRY(membar_exit) | |
| 671 | mfence | |
| 672 | ret | |
| 673 | SET_SIZE(membar_exit) | |
| 674 | ||
| 675 | ENTRY(membar_producer) | |
| 676 | sfence | |
| 677 | ret | |
| 678 | SET_SIZE(membar_producer) | |
| 679 | ||
| 680 | ENTRY(membar_consumer) | |
| 681 | lfence | |
| 682 | ret | |
| 683 | SET_SIZE(membar_consumer) | |
| 684 | ||
| 685 | #ifdef __ELF__ | |
| 686 | .section .note.GNU-stack,"",%progbits | |
| 687 | #endif |