Mercurial > jdk8-mips64-public > hotspot / annotate
src/os_cpu/solaris_sparc/vm/prefetch_solaris_sparc.inline.hpp@d0994e5bebce (annotated)
src/os_cpu/solaris_sparc/vm/prefetch_solaris_sparc.inline.hpp
Thu, 26 Mar 2009 14:31:45 -0700
- author
- never
- date
- Thu, 26 Mar 2009 14:31:45 -0700
- changeset 1106
- d0994e5bebce
- parent 435
- a61af66fc99e
- child 1907
- c18cbe5936b8
- permissions
- -rw-r--r--
6822204: volatile fences should prefer lock:addl to actual mfence instructions
Reviewed-by: kvn, phh
| duke@435 | 1 | /* |
| duke@435 | 2 | * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@435 | 21 | * have any questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| duke@435 | 25 | #if defined(COMPILER2) || defined(_LP64) |
| duke@435 | 26 | |
| duke@435 | 27 | // For Sun Studio inplementation is in solaris_sparc.il |
| duke@435 | 28 | // For gcc inplementation is just below |
| duke@435 | 29 | extern "C" void _Prefetch_read (void *loc, intx interval); |
| duke@435 | 30 | extern "C" void _Prefetch_write(void *loc, intx interval); |
| duke@435 | 31 | |
| duke@435 | 32 | inline void Prefetch::read(void *loc, intx interval) { |
| duke@435 | 33 | _Prefetch_read(loc, interval); |
| duke@435 | 34 | } |
| duke@435 | 35 | |
| duke@435 | 36 | inline void Prefetch::write(void *loc, intx interval) { |
| duke@435 | 37 | _Prefetch_write(loc, interval); |
| duke@435 | 38 | } |
| duke@435 | 39 | |
| duke@435 | 40 | #ifdef _GNU_SOURCE |
| duke@435 | 41 | extern "C" { |
| duke@435 | 42 | inline void _Prefetch_read (void *loc, intx interval) { |
| duke@435 | 43 | __asm__ volatile |
| duke@435 | 44 | ("prefetch [%0+%1], 0" : : "r" (loc), "r" (interval) : "memory" ); |
| duke@435 | 45 | } |
| duke@435 | 46 | inline void _Prefetch_write(void *loc, intx interval) { |
| duke@435 | 47 | __asm__ volatile |
| duke@435 | 48 | ("prefetch [%0+%1], 2" : : "r" (loc), "r" (interval) : "memory" ); |
| duke@435 | 49 | } |
| duke@435 | 50 | } |
| duke@435 | 51 | #endif // _GNU_SOURCE |
| duke@435 | 52 | |
| duke@435 | 53 | #else // defined(COMPILER2) || defined(_LP64) |
| duke@435 | 54 | |
| duke@435 | 55 | inline void Prefetch::read (void *loc, intx interval) {} |
| duke@435 | 56 | inline void Prefetch::write(void *loc, intx interval) {} |
| duke@435 | 57 | |
| duke@435 | 58 | #endif // defined(COMPILER2) || defined(_LP64) |
