jdk8-mips64-public/hotspot: src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp@d2f8c38e543d (annotated)

src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp@d2f8c38e543d (annotated)

src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp

Fri, 07 Dec 2012 01:09:03 -0800

author: roland
date: Fri, 07 Dec 2012 01:09:03 -0800
changeset 4325: d2f8c38e543d
parent 2557: f7de3327c683
child 4675: 63e54c37ac64
permissions: -rw-r--r--

Merge

 /*
  * 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

Mercurial > jdk8-mips64-public > hotspot / annotate

src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp@d2f8c38e543d (annotated)

src/os_cpu/solaris_sparc/vm/atomic_solaris_sparc.inline.hpp