Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/utilities/copy.hpp
src/share/vm/utilities/copy.hpp
- changeset 6876
- 710a3c8b516e
- parent 2708
- 1d1603768966
- parent 1
- 2d8a650513c2
- child 9572
- 624a0741915c
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| 6875:28b50d07f6f8 | 6876:710a3c8b516e |
|---|---|
| 18 * | 18 * |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 * or visit www.oracle.com if you need additional information or have any | 20 * or visit www.oracle.com if you need additional information or have any |
| 21 * questions. | 21 * questions. |
| 22 * | 22 * |
| 23 */ | |
| 24 | |
| 25 /* | |
| 26 * This file has been modified by Loongson Technology in 2015. These | |
| 27 * modifications are Copyright (c) 2015 Loongson Technology, and are made | |
| 28 * available on the same license terms set forth above. | |
| 23 */ | 29 */ |
| 24 | 30 |
| 25 #ifndef SHARE_VM_UTILITIES_COPY_HPP | 31 #ifndef SHARE_VM_UTILITIES_COPY_HPP |
| 26 #define SHARE_VM_UTILITIES_COPY_HPP | 32 #define SHARE_VM_UTILITIES_COPY_HPP |
| 27 | 33 |
| 319 basic_fatal("byte count must be aligned"); | 325 basic_fatal("byte count must be aligned"); |
| 320 } | 326 } |
| 321 #endif | 327 #endif |
| 322 } | 328 } |
| 323 | 329 |
| 330 | |
| 331 // SAPJVM AS 2011-09-20. Template for atomic copy. | |
| 332 template <class T> static void copy_conjoint_atomic(T* from, T* to, size_t count) | |
| 333 { | |
| 334 if (from > to) { | |
| 335 while (count-- > 0) { | |
| 336 // Copy forwards | |
| 337 *to++ = *from++; | |
| 338 } | |
| 339 } else { | |
| 340 from += count - 1; | |
| 341 to += count - 1; | |
| 342 while (count-- > 0) { | |
| 343 // Copy backwards | |
| 344 *to-- = *from--; | |
| 345 } | |
| 346 } | |
| 347 } | |
| 348 | |
| 349 | |
| 350 | |
| 324 // Platform dependent implementations of the above methods. | 351 // Platform dependent implementations of the above methods. |
| 325 #ifdef TARGET_ARCH_x86 | 352 #ifdef TARGET_ARCH_x86 |
| 326 # include "copy_x86.hpp" | 353 # include "copy_x86.hpp" |
| 327 #endif | 354 #endif |
| 328 #ifdef TARGET_ARCH_sparc | 355 #ifdef TARGET_ARCH_sparc |
| 335 # include "copy_arm.hpp" | 362 # include "copy_arm.hpp" |
| 336 #endif | 363 #endif |
| 337 #ifdef TARGET_ARCH_ppc | 364 #ifdef TARGET_ARCH_ppc |
| 338 # include "copy_ppc.hpp" | 365 # include "copy_ppc.hpp" |
| 339 #endif | 366 #endif |
| 367 #ifdef TARGET_ARCH_mips | |
| 368 # include "copy_mips.hpp" | |
| 369 #endif | |
| 370 | |
| 340 | 371 |
| 341 }; | 372 }; |
| 342 | 373 |
| 343 #endif // SHARE_VM_UTILITIES_COPY_HPP | 374 #endif // SHARE_VM_UTILITIES_COPY_HPP |
