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src/os_cpu/solaris_sparc/vm/orderAccess_solaris_sparc.inline.hpp
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*** 1,7 ****
/*
! * Copyright (c) 2003, 2014, 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.
--- 1,7 ----
/*
! * Copyright (c) 2003, 2015, 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.
*** 30,134 ****
// Implementation of class OrderAccess.
// Assume TSO.
! // In solaris_sparc.il
! extern "C" void _OrderAccess_acquire();
! extern "C" void _OrderAccess_fence();
!
! inline void OrderAccess::loadload() { acquire(); }
! inline void OrderAccess::storestore() { release(); }
! inline void OrderAccess::loadstore() { acquire(); }
! inline void OrderAccess::storeload() { fence(); }
!
! #ifdef _GNU_SOURCE
!
! inline void OrderAccess::acquire() {
! __asm__ volatile ("nop" : : :);
! }
!
! inline void OrderAccess::release() {
! jint* local_dummy = (jint*)&local_dummy;
! __asm__ volatile("stw %%g0, [%0]" : : "r" (local_dummy) : "memory");
! }
!
! inline void OrderAccess::fence() {
! __asm__ volatile ("membar #StoreLoad" : : :);
}
! #else // _GNU_SOURCE
! inline void OrderAccess::acquire() {
! _OrderAccess_acquire();
! }
!
! inline void OrderAccess::release() {
! // Avoid hitting the same cache-line from
! // different threads.
! volatile jint local_dummy = 0;
! }
inline void OrderAccess::fence() {
! _OrderAccess_fence();
}
! #endif // _GNU_SOURCE
!
! inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; }
! inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; }
! inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; }
! inline jlong OrderAccess::load_acquire(volatile jlong* p) { return Atomic::load(p); }
! inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; }
! inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; }
! inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; }
! inline julong OrderAccess::load_acquire(volatile julong* p) { return Atomic::load((volatile jlong*)p); }
! inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; }
! inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; }
!
! inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; }
! inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; }
! inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; }
!
! inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; }
! inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; }
! inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; }
! inline void OrderAccess::release_store(volatile jlong* p, jlong v) { Atomic::store(v, p); }
! inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; }
! inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; }
! inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; }
! inline void OrderAccess::release_store(volatile julong* p, julong v) { Atomic::store((jlong)v, (volatile jlong*)p); }
! inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; }
! inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; }
!
! inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; }
! inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; }
!
! inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); }
! inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); }
!
! inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); }
! inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); }
!
! inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); }
! inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); }
! inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); }
! inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { release_store(p, v); fence(); }
! inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); }
! inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); }
! inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); }
! inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { release_store(p, v); fence(); }
! inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); }
! inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); }
!
! inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); }
! inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); }
#endif // OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP
--- 30,54 ----
// Implementation of class OrderAccess.
// Assume TSO.
! // A compiler barrier, forcing the C++ compiler to invalidate all memory assumptions
! inline void compiler_barrier() {
! __asm__ volatile ("" : : : "memory");
}
! inline void OrderAccess::loadload() { compiler_barrier(); }
! inline void OrderAccess::storestore() { compiler_barrier(); }
! inline void OrderAccess::loadstore() { compiler_barrier(); }
! inline void OrderAccess::storeload() { fence(); }
! inline void OrderAccess::acquire() { compiler_barrier(); }
! inline void OrderAccess::release() { compiler_barrier(); }
inline void OrderAccess::fence() {
! __asm__ volatile ("membar #StoreLoad" : : : "memory");
}
! #define VM_HAS_GENERALIZED_ORDER_ACCESS 1
#endif // OS_CPU_SOLARIS_SPARC_VM_ORDERACCESS_SOLARIS_SPARC_INLINE_HPP
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