author | goetz |
Fri, 04 Jul 2014 11:46:01 +0200 | |
changeset 25715 | d5a8dbdc5150 |
parent 18097 | acd70736bd60 |
child 39404 | d0ad5220e91c |
permissions | -rw-r--r-- |
1 | 1 |
/* |
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* Copyright (c) 1999, 2014, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP |
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#define OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP |
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#include "runtime/atomic.hpp" |
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#include "runtime/os.hpp" |
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// Implementation of class atomic |
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inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; } |
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inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; } |
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inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; } |
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inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; } |
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inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; } |
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inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; } |
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inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; } |
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inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; } |
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inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; } |
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inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; } |
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inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); } |
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inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); } |
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inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); } |
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inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); } |
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inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); } |
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inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); } |
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#ifdef _LP64 |
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inline void Atomic::store(jlong store_value, jlong* dest) { *dest = store_value; } |
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inline void Atomic::store(jlong store_value, volatile jlong* dest) { *dest = store_value; } |
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inline jlong Atomic::load(volatile jlong* src) { return *src; } |
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#else |
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extern "C" void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst); |
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inline void Atomic_move_long(volatile jlong* src, volatile jlong* dst) { |
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_Atomic_move_long_v9(src, dst); |
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} |
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inline jlong Atomic::load(volatile jlong* src) { |
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volatile jlong dest; |
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Atomic_move_long(src, &dest); |
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return dest; |
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} |
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inline void Atomic::store(jlong store_value, jlong* dest) { |
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Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest); |
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} |
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inline void Atomic::store(jlong store_value, volatile jlong* dest) { |
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Atomic_move_long((volatile jlong*)&store_value, dest); |
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} |
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#endif |
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#ifdef _GNU_SOURCE |
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inline jint Atomic::add (jint add_value, volatile jint* dest) { |
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intptr_t rv; |
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__asm__ volatile( |
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"1: \n\t" |
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" ld [%2], %%o2\n\t" |
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" add %1, %%o2, %%o3\n\t" |
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" cas [%2], %%o2, %%o3\n\t" |
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" cmp %%o2, %%o3\n\t" |
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" bne 1b\n\t" |
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" nop\n\t" |
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" add %1, %%o2, %0\n\t" |
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: "=r" (rv) |
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: "r" (add_value), "r" (dest) |
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: "memory", "o2", "o3"); |
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return rv; |
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} |
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inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { |
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intptr_t rv; |
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#ifdef _LP64 |
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__asm__ volatile( |
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"1: \n\t" |
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" ldx [%2], %%o2\n\t" |
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" add %0, %%o2, %%o3\n\t" |
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" casx [%2], %%o2, %%o3\n\t" |
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" cmp %%o2, %%o3\n\t" |
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" bne %%xcc, 1b\n\t" |
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" nop\n\t" |
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" add %0, %%o2, %0\n\t" |
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: "=r" (rv) |
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: "r" (add_value), "r" (dest) |
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: "memory", "o2", "o3"); |
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#else //_LP64 |
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__asm__ volatile( |
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"1: \n\t" |
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" ld [%2], %%o2\n\t" |
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" add %1, %%o2, %%o3\n\t" |
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" cas [%2], %%o2, %%o3\n\t" |
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" cmp %%o2, %%o3\n\t" |
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" bne 1b\n\t" |
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" nop\n\t" |
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" add %1, %%o2, %0\n\t" |
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: "=r" (rv) |
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: "r" (add_value), "r" (dest) |
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: "memory", "o2", "o3"); |
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#endif // _LP64 |
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return rv; |
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} |
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inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { |
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return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest); |
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} |
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inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { |
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intptr_t rv = exchange_value; |
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__asm__ volatile( |
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" swap [%2],%1\n\t" |
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: "=r" (rv) |
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: "0" (exchange_value) /* we use same register as for return value */, "r" (dest) |
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: "memory"); |
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return rv; |
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} |
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inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { |
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intptr_t rv = exchange_value; |
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#ifdef _LP64 |
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__asm__ volatile( |
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"1:\n\t" |
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" mov %1, %%o3\n\t" |
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" ldx [%2], %%o2\n\t" |
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" casx [%2], %%o2, %%o3\n\t" |
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" cmp %%o2, %%o3\n\t" |
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" bne %%xcc, 1b\n\t" |
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" nop\n\t" |
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" mov %%o2, %0\n\t" |
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: "=r" (rv) |
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: "r" (exchange_value), "r" (dest) |
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: "memory", "o2", "o3"); |
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#else //_LP64 |
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__asm__ volatile( |
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"swap [%2],%1\n\t" |
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: "=r" (rv) |
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: "0" (exchange_value) /* we use same register as for return value */, "r" (dest) |
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: "memory"); |
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#endif // _LP64 |
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return rv; |
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} |
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inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { |
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return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); |
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} |
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inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { |
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jint rv; |
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__asm__ volatile( |
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" cas [%2], %3, %0" |
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: "=r" (rv) |
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: "0" (exchange_value), "r" (dest), "r" (compare_value) |
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: "memory"); |
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return rv; |
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} |
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inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { |
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#ifdef _LP64 |
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jlong rv; |
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__asm__ volatile( |
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" casx [%2], %3, %0" |
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: "=r" (rv) |
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: "0" (exchange_value), "r" (dest), "r" (compare_value) |
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: "memory"); |
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return rv; |
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#else //_LP64 |
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volatile jlong_accessor evl, cvl, rv; |
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evl.long_value = exchange_value; |
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cvl.long_value = compare_value; |
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__asm__ volatile( |
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" sllx %2, 32, %2\n\t" |
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" srl %3, 0, %3\n\t" |
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" or %2, %3, %2\n\t" |
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" sllx %5, 32, %5\n\t" |
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" srl %6, 0, %6\n\t" |
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" or %5, %6, %5\n\t" |
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" casx [%4], %5, %2\n\t" |
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" srl %2, 0, %1\n\t" |
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" srlx %2, 32, %0\n\t" |
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: "=r" (rv.words[0]), "=r" (rv.words[1]) |
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: "r" (evl.words[0]), "r" (evl.words[1]), "r" (dest), "r" (cvl.words[0]), "r" (cvl.words[1]) |
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: "memory"); |
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||
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return rv.long_value; |
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#endif //_LP64 |
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} |
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inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { |
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intptr_t rv; |
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#ifdef _LP64 |
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__asm__ volatile( |
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" casx [%2], %3, %0" |
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: "=r" (rv) |
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: "0" (exchange_value), "r" (dest), "r" (compare_value) |
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: "memory"); |
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#else //_LP64 |
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__asm__ volatile( |
|
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" cas [%2], %3, %0" |
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: "=r" (rv) |
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: "0" (exchange_value), "r" (dest), "r" (compare_value) |
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: "memory"); |
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#endif // _LP64 |
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return rv; |
|
238 |
} |
|
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240 |
inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { |
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return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value); |
|
242 |
} |
|
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||
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#else // _GNU_SOURCE |
|
245 |
||
246 |
#if defined(COMPILER2) || defined(_LP64) |
|
247 |
||
248 |
// This is the interface to the atomic instructions in solaris_sparc.il. |
|
249 |
// It's very messy because we need to support v8 and these instructions |
|
250 |
// are illegal there. When sparc v8 is dropped, we can drop out lots of |
|
251 |
// this code. Also compiler2 does not support v8 so the conditional code |
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// omits the instruction set check. |
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254 |
extern "C" jint _Atomic_swap32(jint exchange_value, volatile jint* dest); |
|
255 |
extern "C" intptr_t _Atomic_swap64(intptr_t exchange_value, volatile intptr_t* dest); |
|
256 |
||
257 |
extern "C" jint _Atomic_cas32(jint exchange_value, volatile jint* dest, jint compare_value); |
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258 |
extern "C" intptr_t _Atomic_cas64(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value); |
|
259 |
extern "C" jlong _Atomic_casl (jlong exchange_value, volatile jlong* dest, jlong compare_value); |
|
260 |
||
261 |
extern "C" jint _Atomic_add32(jint inc, volatile jint* dest); |
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262 |
extern "C" intptr_t _Atomic_add64(intptr_t add_value, volatile intptr_t* dest); |
|
263 |
||
264 |
||
265 |
inline jint Atomic::add (jint add_value, volatile jint* dest) { |
|
266 |
return _Atomic_add32(add_value, dest); |
|
267 |
} |
|
268 |
||
269 |
inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { |
|
270 |
#ifdef _LP64 |
|
271 |
return _Atomic_add64(add_value, dest); |
|
272 |
#else //_LP64 |
|
273 |
return _Atomic_add32(add_value, dest); |
|
274 |
#endif // _LP64 |
|
275 |
} |
|
276 |
||
277 |
inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { |
|
278 |
return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest); |
|
279 |
} |
|
280 |
||
281 |
||
282 |
inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { |
|
283 |
return _Atomic_swap32(exchange_value, dest); |
|
284 |
} |
|
285 |
||
286 |
inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { |
|
287 |
#ifdef _LP64 |
|
288 |
return _Atomic_swap64(exchange_value, dest); |
|
289 |
#else // _LP64 |
|
290 |
return _Atomic_swap32(exchange_value, dest); |
|
291 |
#endif // _LP64 |
|
292 |
} |
|
293 |
||
294 |
inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { |
|
295 |
return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); |
|
296 |
} |
|
297 |
||
298 |
||
299 |
inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { |
|
300 |
return _Atomic_cas32(exchange_value, dest, compare_value); |
|
301 |
} |
|
302 |
||
303 |
inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { |
|
304 |
#ifdef _LP64 |
|
305 |
// Return 64 bit value in %o0 |
|
306 |
return _Atomic_cas64((intptr_t)exchange_value, (intptr_t *)dest, (intptr_t)compare_value); |
|
307 |
#else // _LP64 |
|
308 |
// Return 64 bit value in %o0,%o1 by hand |
|
309 |
return _Atomic_casl(exchange_value, dest, compare_value); |
|
310 |
#endif // _LP64 |
|
311 |
} |
|
312 |
||
313 |
inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { |
|
314 |
#ifdef _LP64 |
|
315 |
return _Atomic_cas64(exchange_value, dest, compare_value); |
|
316 |
#else // _LP64 |
|
317 |
return _Atomic_cas32(exchange_value, dest, compare_value); |
|
318 |
#endif // _LP64 |
|
319 |
} |
|
320 |
||
321 |
inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { |
|
322 |
return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value); |
|
323 |
} |
|
324 |
||
325 |
||
326 |
#else // _LP64 || COMPILER2 |
|
327 |
||
328 |
||
329 |
// 32-bit compiler1 only |
|
330 |
||
331 |
inline jint Atomic::add (jint add_value, volatile jint* dest) { |
|
332 |
return (*os::atomic_add_func)(add_value, dest); |
|
333 |
} |
|
334 |
||
335 |
inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { |
|
336 |
return (intptr_t)add((jint)add_value, (volatile jint*)dest); |
|
337 |
} |
|
338 |
||
339 |
inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { |
|
340 |
return (void*)add((jint)add_value, (volatile jint*)dest); |
|
341 |
} |
|
342 |
||
343 |
||
344 |
inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { |
|
345 |
return (*os::atomic_xchg_func)(exchange_value, dest); |
|
346 |
} |
|
347 |
||
348 |
inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { |
|
349 |
return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest); |
|
350 |
} |
|
351 |
||
352 |
inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { |
|
353 |
return (void*)xchg((jint)exchange_value, (volatile jint*)dest); |
|
354 |
} |
|
355 |
||
356 |
||
357 |
inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { |
|
358 |
return (*os::atomic_cmpxchg_func)(exchange_value, dest, compare_value); |
|
359 |
} |
|
360 |
||
361 |
inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { |
|
362 |
return (*os::atomic_cmpxchg_long_func)(exchange_value, dest, compare_value); |
|
363 |
} |
|
364 |
||
365 |
inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { |
|
366 |
return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); |
|
367 |
} |
|
368 |
||
369 |
inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { |
|
370 |
return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); |
|
371 |
} |
|
372 |
||
373 |
#endif // _LP64 || COMPILER2 |
|
374 |
||
375 |
#endif // _GNU_SOURCE |
|
7397 | 376 |
|
377 |
#endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP |