Mercurial > hg > truffle
view src/os_cpu/bsd_x86/vm/atomic_bsd_x86.inline.hpp @ 11506:e6645c18d154
Truffle-DSL: reduced generated code size by not generating primarily unused primitive type execute methods.
author | Christian Humer <christian.humer@gmail.com> |
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date | Fri, 30 Aug 2013 17:45:53 +0200 |
parents | 63e54c37ac64 |
children |
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/* * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #ifndef OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_INLINE_HPP #define OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_INLINE_HPP #include "runtime/atomic.hpp" #include "runtime/os.hpp" #include "vm_version_x86.hpp" // Implementation of class atomic inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; } inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; } inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; } inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; } inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; } inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; } inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; } inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; } inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; } inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; } // Adding a lock prefix to an instruction on MP machine #define LOCK_IF_MP(mp) "cmp $0, " #mp "; je 1f; lock; 1: " inline jint Atomic::add (jint add_value, volatile jint* dest) { jint addend = add_value; int mp = os::is_MP(); __asm__ volatile ( LOCK_IF_MP(%3) "xaddl %0,(%2)" : "=r" (addend) : "0" (addend), "r" (dest), "r" (mp) : "cc", "memory"); return addend + add_value; } inline void Atomic::inc (volatile jint* dest) { int mp = os::is_MP(); __asm__ volatile (LOCK_IF_MP(%1) "addl $1,(%0)" : : "r" (dest), "r" (mp) : "cc", "memory"); } inline void Atomic::inc_ptr(volatile void* dest) { inc_ptr((volatile intptr_t*)dest); } inline void Atomic::dec (volatile jint* dest) { int mp = os::is_MP(); __asm__ volatile (LOCK_IF_MP(%1) "subl $1,(%0)" : : "r" (dest), "r" (mp) : "cc", "memory"); } inline void Atomic::dec_ptr(volatile void* dest) { dec_ptr((volatile intptr_t*)dest); } inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { __asm__ volatile ( "xchgl (%2),%0" : "=r" (exchange_value) : "0" (exchange_value), "r" (dest) : "memory"); return exchange_value; } inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); } inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { int mp = os::is_MP(); __asm__ volatile (LOCK_IF_MP(%4) "cmpxchgl %1,(%3)" : "=a" (exchange_value) : "r" (exchange_value), "a" (compare_value), "r" (dest), "r" (mp) : "cc", "memory"); return exchange_value; } #ifdef AMD64 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; } inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; } inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { intptr_t addend = add_value; bool mp = os::is_MP(); __asm__ __volatile__ (LOCK_IF_MP(%3) "xaddq %0,(%2)" : "=r" (addend) : "0" (addend), "r" (dest), "r" (mp) : "cc", "memory"); return addend + add_value; } inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { return (void*)add_ptr(add_value, (volatile intptr_t*)dest); } inline void Atomic::inc_ptr(volatile intptr_t* dest) { bool mp = os::is_MP(); __asm__ __volatile__ (LOCK_IF_MP(%1) "addq $1,(%0)" : : "r" (dest), "r" (mp) : "cc", "memory"); } inline void Atomic::dec_ptr(volatile intptr_t* dest) { bool mp = os::is_MP(); __asm__ __volatile__ (LOCK_IF_MP(%1) "subq $1,(%0)" : : "r" (dest), "r" (mp) : "cc", "memory"); } inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { __asm__ __volatile__ ("xchgq (%2),%0" : "=r" (exchange_value) : "0" (exchange_value), "r" (dest) : "memory"); return exchange_value; } inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { bool mp = os::is_MP(); __asm__ __volatile__ (LOCK_IF_MP(%4) "cmpxchgq %1,(%3)" : "=a" (exchange_value) : "r" (exchange_value), "a" (compare_value), "r" (dest), "r" (mp) : "cc", "memory"); return exchange_value; } inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { return (intptr_t)cmpxchg((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value); } inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { return (void*)cmpxchg((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value); } inline jlong Atomic::load(volatile jlong* src) { return *src; } #else // !AMD64 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { return (intptr_t)Atomic::add((jint)add_value, (volatile jint*)dest); } inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { return (void*)Atomic::add((jint)add_value, (volatile jint*)dest); } inline void Atomic::inc_ptr(volatile intptr_t* dest) { inc((volatile jint*)dest); } inline void Atomic::dec_ptr(volatile intptr_t* dest) { dec((volatile jint*)dest); } inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest); } extern "C" { // defined in bsd_x86.s jlong _Atomic_cmpxchg_long(jlong, volatile jlong*, jlong, bool); void _Atomic_move_long(volatile jlong* src, volatile jlong* dst); } inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { return _Atomic_cmpxchg_long(exchange_value, dest, compare_value, os::is_MP()); } inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); } inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); } inline jlong Atomic::load(volatile jlong* src) { volatile jlong dest; _Atomic_move_long(src, &dest); return dest; } inline void Atomic::store(jlong store_value, jlong* dest) { _Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest); } inline void Atomic::store(jlong store_value, volatile jlong* dest) { _Atomic_move_long((volatile jlong*)&store_value, dest); } #endif // AMD64 #endif // OS_CPU_BSD_X86_VM_ATOMIC_BSD_X86_INLINE_HPP