Mercurial > hg > graal-compiler
view src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp @ 3430:089aee76df10
Merge
author | asaha |
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date | Wed, 04 May 2011 16:38:05 -0700 |
parents | f7de3327c683 |
children | 63e54c37ac64 |
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/* * Copyright (c) 1999, 2011, 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_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP #define OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP #include "orderAccess_solaris_sparc.inline.hpp" #include "runtime/atomic.hpp" #include "runtime/os.hpp" #include "vm_version_sparc.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; } inline void Atomic::inc (volatile jint* dest) { (void)add (1, dest); } inline void Atomic::inc_ptr(volatile intptr_t* dest) { (void)add_ptr(1, dest); } inline void Atomic::inc_ptr(volatile void* dest) { (void)add_ptr(1, dest); } inline void Atomic::dec (volatile jint* dest) { (void)add (-1, dest); } inline void Atomic::dec_ptr(volatile intptr_t* dest) { (void)add_ptr(-1, dest); } inline void Atomic::dec_ptr(volatile void* dest) { (void)add_ptr(-1, dest); } #ifdef _LP64 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 jlong Atomic::load(volatile jlong* src) { return *src; } #else extern "C" void _Atomic_move_long_v8(volatile jlong* src, volatile jlong* dst); extern "C" void _Atomic_move_long_v9(volatile jlong* src, volatile jlong* dst); inline void Atomic_move_long(volatile jlong* src, volatile jlong* dst) { #ifdef COMPILER2 // Compiler2 does not support v8, it is used only for v9. _Atomic_move_long_v9(src, dst); #else // The branch is cheaper then emulated LDD. if (VM_Version::v9_instructions_work()) { _Atomic_move_long_v9(src, dst); } else { _Atomic_move_long_v8(src, dst); } #endif } 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 #ifdef _GNU_SOURCE inline jint Atomic::add (jint add_value, volatile jint* dest) { intptr_t rv; __asm__ volatile( "1: \n\t" " ld [%2], %%o2\n\t" " add %1, %%o2, %%o3\n\t" " cas [%2], %%o2, %%o3\n\t" " cmp %%o2, %%o3\n\t" " bne 1b\n\t" " nop\n\t" " add %1, %%o2, %0\n\t" : "=r" (rv) : "r" (add_value), "r" (dest) : "memory", "o2", "o3"); return rv; } inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { intptr_t rv; #ifdef _LP64 __asm__ volatile( "1: \n\t" " ldx [%2], %%o2\n\t" " add %0, %%o2, %%o3\n\t" " casx [%2], %%o2, %%o3\n\t" " cmp %%o2, %%o3\n\t" " bne %%xcc, 1b\n\t" " nop\n\t" " add %0, %%o2, %0\n\t" : "=r" (rv) : "r" (add_value), "r" (dest) : "memory", "o2", "o3"); #else //_LP64 __asm__ volatile( "1: \n\t" " ld [%2], %%o2\n\t" " add %1, %%o2, %%o3\n\t" " cas [%2], %%o2, %%o3\n\t" " cmp %%o2, %%o3\n\t" " bne 1b\n\t" " nop\n\t" " add %1, %%o2, %0\n\t" : "=r" (rv) : "r" (add_value), "r" (dest) : "memory", "o2", "o3"); #endif // _LP64 return rv; } inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest); } inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { intptr_t rv = exchange_value; __asm__ volatile( " swap [%2],%1\n\t" : "=r" (rv) : "0" (exchange_value) /* we use same register as for return value */, "r" (dest) : "memory"); return rv; } inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { intptr_t rv = exchange_value; #ifdef _LP64 __asm__ volatile( "1:\n\t" " mov %1, %%o3\n\t" " ldx [%2], %%o2\n\t" " casx [%2], %%o2, %%o3\n\t" " cmp %%o2, %%o3\n\t" " bne %%xcc, 1b\n\t" " nop\n\t" " mov %%o2, %0\n\t" : "=r" (rv) : "r" (exchange_value), "r" (dest) : "memory", "o2", "o3"); #else //_LP64 __asm__ volatile( "swap [%2],%1\n\t" : "=r" (rv) : "0" (exchange_value) /* we use same register as for return value */, "r" (dest) : "memory"); #endif // _LP64 return rv; } 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) { jint rv; __asm__ volatile( " cas [%2], %3, %0" : "=r" (rv) : "0" (exchange_value), "r" (dest), "r" (compare_value) : "memory"); return rv; } inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { #ifdef _LP64 jlong rv; __asm__ volatile( " casx [%2], %3, %0" : "=r" (rv) : "0" (exchange_value), "r" (dest), "r" (compare_value) : "memory"); return rv; #else //_LP64 assert(VM_Version::v9_instructions_work(), "cas only supported on v9"); volatile jlong_accessor evl, cvl, rv; evl.long_value = exchange_value; cvl.long_value = compare_value; __asm__ volatile( " sllx %2, 32, %2\n\t" " srl %3, 0, %3\n\t" " or %2, %3, %2\n\t" " sllx %5, 32, %5\n\t" " srl %6, 0, %6\n\t" " or %5, %6, %5\n\t" " casx [%4], %5, %2\n\t" " srl %2, 0, %1\n\t" " srlx %2, 32, %0\n\t" : "=r" (rv.words[0]), "=r" (rv.words[1]) : "r" (evl.words[0]), "r" (evl.words[1]), "r" (dest), "r" (cvl.words[0]), "r" (cvl.words[1]) : "memory"); return rv.long_value; #endif //_LP64 } inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { intptr_t rv; #ifdef _LP64 __asm__ volatile( " casx [%2], %3, %0" : "=r" (rv) : "0" (exchange_value), "r" (dest), "r" (compare_value) : "memory"); #else //_LP64 __asm__ volatile( " cas [%2], %3, %0" : "=r" (rv) : "0" (exchange_value), "r" (dest), "r" (compare_value) : "memory"); #endif // _LP64 return rv; } inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value); } #else // _GNU_SOURCE #if defined(COMPILER2) || defined(_LP64) // This is the interface to the atomic instructions in solaris_sparc.il. // It's very messy because we need to support v8 and these instructions // are illegal there. When sparc v8 is dropped, we can drop out lots of // this code. Also compiler2 does not support v8 so the conditional code // omits the instruction set check. extern "C" jint _Atomic_swap32(jint exchange_value, volatile jint* dest); extern "C" intptr_t _Atomic_swap64(intptr_t exchange_value, volatile intptr_t* dest); extern "C" jint _Atomic_cas32(jint exchange_value, volatile jint* dest, jint compare_value); extern "C" intptr_t _Atomic_cas64(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value); extern "C" jlong _Atomic_casl (jlong exchange_value, volatile jlong* dest, jlong compare_value); extern "C" jint _Atomic_add32(jint inc, volatile jint* dest); extern "C" intptr_t _Atomic_add64(intptr_t add_value, volatile intptr_t* dest); inline jint Atomic::add (jint add_value, volatile jint* dest) { return _Atomic_add32(add_value, dest); } inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { #ifdef _LP64 return _Atomic_add64(add_value, dest); #else //_LP64 return _Atomic_add32(add_value, dest); #endif // _LP64 } inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { return (void*)add_ptr((intptr_t)add_value, (volatile intptr_t*)dest); } inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { return _Atomic_swap32(exchange_value, dest); } inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { #ifdef _LP64 return _Atomic_swap64(exchange_value, dest); #else // _LP64 return _Atomic_swap32(exchange_value, dest); #endif // _LP64 } 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) { return _Atomic_cas32(exchange_value, dest, compare_value); } inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { #ifdef _LP64 // Return 64 bit value in %o0 return _Atomic_cas64((intptr_t)exchange_value, (intptr_t *)dest, (intptr_t)compare_value); #else // _LP64 assert (VM_Version::v9_instructions_work(), "only supported on v9"); // Return 64 bit value in %o0,%o1 by hand return _Atomic_casl(exchange_value, dest, compare_value); #endif // _LP64 } inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { #ifdef _LP64 return _Atomic_cas64(exchange_value, dest, compare_value); #else // _LP64 return _Atomic_cas32(exchange_value, dest, compare_value); #endif // _LP64 } inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { return (void*)cmpxchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest, (intptr_t)compare_value); } #else // _LP64 || COMPILER2 // 32-bit compiler1 only inline jint Atomic::add (jint add_value, volatile jint* dest) { return (*os::atomic_add_func)(add_value, dest); } inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { return (intptr_t)add((jint)add_value, (volatile jint*)dest); } inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { return (void*)add((jint)add_value, (volatile jint*)dest); } inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { return (*os::atomic_xchg_func)(exchange_value, 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); } inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { return (void*)xchg((jint)exchange_value, (volatile jint*)dest); } inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { return (*os::atomic_cmpxchg_func)(exchange_value, dest, compare_value); } inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { return (*os::atomic_cmpxchg_long_func)(exchange_value, dest, compare_value); } 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); } #endif // _LP64 || COMPILER2 #endif // _GNU_SOURCE #endif // OS_CPU_SOLARIS_SPARC_VM_ATOMIC_SOLARIS_SPARC_INLINE_HPP