--- a/hotspot/src/os_cpu/solaris_x86/vm/atomic_solaris_x86.inline.hpp Sat Sep 10 08:27:40 2016 -0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,279 +0,0 @@
-/*
- * Copyright (c) 1999, 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.
- *
- * 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_X86_VM_ATOMIC_SOLARIS_X86_INLINE_HPP
-#define OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_INLINE_HPP
-
-#include "runtime/atomic.hpp"
-#include "runtime/os.hpp"
-
-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); }
-
-// For Sun Studio - implementation is in solaris_x86_[32/64].il.
-// For gcc - implementation is just below.
-
-// The lock prefix can be omitted for certain instructions on uniprocessors; to
-// facilitate this, os::is_MP() is passed as an additional argument. 64-bit
-// processors are assumed to be multi-threaded and/or multi-core, so the extra
-// argument is unnecessary.
-#ifndef _LP64
-#define IS_MP_DECL() , int is_mp
-#define IS_MP_ARG() , (int) os::is_MP()
-#else
-#define IS_MP_DECL()
-#define IS_MP_ARG()
-#endif // _LP64
-
-extern "C" {
- jint _Atomic_add(jint add_value, volatile jint* dest IS_MP_DECL());
- jint _Atomic_xchg(jint exchange_value, volatile jint* dest);
- jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest,
- jbyte compare_value IS_MP_DECL());
- jint _Atomic_cmpxchg(jint exchange_value, volatile jint* dest,
- jint compare_value IS_MP_DECL());
- jlong _Atomic_cmpxchg_long(jlong exchange_value, volatile jlong* dest,
- jlong compare_value IS_MP_DECL());
-}
-
-inline jint Atomic::add (jint add_value, volatile jint* dest) {
- return _Atomic_add(add_value, dest IS_MP_ARG());
-}
-
-inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) {
- return _Atomic_xchg(exchange_value, dest);
-}
-
-#define VM_HAS_SPECIALIZED_CMPXCHG_BYTE
-inline jbyte Atomic::cmpxchg (jbyte exchange_value, volatile jbyte* dest, jbyte compare_value, cmpxchg_memory_order order) {
- return _Atomic_cmpxchg_byte(exchange_value, dest, compare_value IS_MP_ARG());
-}
-
-inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value, cmpxchg_memory_order order) {
- return _Atomic_cmpxchg(exchange_value, dest, compare_value IS_MP_ARG());
-}
-
-inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value, cmpxchg_memory_order order) {
- return _Atomic_cmpxchg_long(exchange_value, dest, compare_value IS_MP_ARG());
-}
-
-
-#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; }
-extern "C" jlong _Atomic_add_long(jlong add_value, volatile jlong* dest);
-extern "C" jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest);
-
-inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) {
- return (intptr_t)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
-}
-
-inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) {
- return (void*)_Atomic_add_long((jlong)add_value, (volatile jlong*)dest);
-}
-
-inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) {
- return (intptr_t)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
-}
-
-inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) {
- return (void*)_Atomic_xchg_long((jlong)exchange_value, (volatile jlong*)dest);
-}
-
-inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
- return (intptr_t)_Atomic_cmpxchg_long((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value);
-}
-
-inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
- return (void*)_Atomic_cmpxchg_long((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)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 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 intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value, cmpxchg_memory_order order) {
- return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
-}
-
-inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value, cmpxchg_memory_order order) {
- return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value, order);
-}
-
-extern "C" void _Atomic_move_long(volatile jlong* src, volatile jlong* dst);
-
-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
-
-#ifdef _GNU_SOURCE
-// Add a lock prefix to an instruction on an MP machine
-#define LOCK_IF_MP(mp) "cmp $0, " #mp "; je 1f; lock; 1: "
-
-extern "C" {
- inline jint _Atomic_add(jint add_value, volatile jint* dest, int mp) {
- jint addend = add_value;
- __asm__ volatile ( LOCK_IF_MP(%3) "xaddl %0,(%2)"
- : "=r" (addend)
- : "0" (addend), "r" (dest), "r" (mp)
- : "cc", "memory");
- return addend + add_value;
- }
-
-#ifdef AMD64
- inline jlong _Atomic_add_long(jlong add_value, volatile jlong* dest, int mp) {
- intptr_t addend = add_value;
- __asm__ __volatile__ (LOCK_IF_MP(%3) "xaddq %0,(%2)"
- : "=r" (addend)
- : "0" (addend), "r" (dest), "r" (mp)
- : "cc", "memory");
- return addend + add_value;
- }
-
- inline jlong _Atomic_xchg_long(jlong exchange_value, volatile jlong* dest) {
- __asm__ __volatile__ ("xchgq (%2),%0"
- : "=r" (exchange_value)
- : "0" (exchange_value), "r" (dest)
- : "memory");
- return exchange_value;
- }
-
-#endif // AMD64
-
- 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 jint _Atomic_cmpxchg(jint exchange_value, volatile jint* dest, jint compare_value, int 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;
- }
-
-
- inline jbyte _Atomic_cmpxchg_byte(jbyte exchange_value, volatile jbyte* dest, jbyte compare_value, int mp) {
- __asm__ volatile (LOCK_IF_MP(%4) "cmpxchgb %1,(%3)"
- : "=a" (exchange_value)
- : "q" (exchange_value), "a" (compare_value), "r" (dest), "r" (mp)
- : "cc", "memory");
- return exchange_value;
- }
-
- // This is the interface to the atomic instruction in solaris_i486.s.
- jlong _Atomic_cmpxchg_long_gcc(jlong exchange_value, volatile jlong* dest, jlong compare_value, int mp);
-
- inline jlong _Atomic_cmpxchg_long(jlong exchange_value, volatile jlong* dest, jlong compare_value, int mp) {
-#ifdef AMD64
- __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;
-#else
- return _Atomic_cmpxchg_long_gcc(exchange_value, dest, compare_value, os::is_MP());
-
- #if 0
- // The code below does not work presumably because of the bug in gcc
- // The error message says:
- // can't find a register in class BREG while reloading asm
- // However I want to save this code and later replace _Atomic_cmpxchg_long_gcc
- // with such inline asm code:
-
- volatile jlong_accessor evl, cvl, rv;
- evl.long_value = exchange_value;
- cvl.long_value = compare_value;
- int mp = os::is_MP();
-
- __asm__ volatile ("cmp $0, %%esi\n\t"
- "je 1f \n\t"
- "lock\n\t"
- "1: cmpxchg8b (%%edi)\n\t"
- : "=a"(cvl.words[0]), "=d"(cvl.words[1])
- : "a"(cvl.words[0]), "d"(cvl.words[1]),
- "b"(evl.words[0]), "c"(evl.words[1]),
- "D"(dest), "S"(mp)
- : "cc", "memory");
- return cvl.long_value;
- #endif // if 0
-#endif // AMD64
- }
-}
-#undef LOCK_IF_MP
-
-#endif // _GNU_SOURCE
-
-#endif // OS_CPU_SOLARIS_X86_VM_ATOMIC_SOLARIS_X86_INLINE_HPP