jdk-sandbox: hotspot/src/os_cpu/solaris_x86/vm/orderAccess_solaris

1 489c9b5090e2 Initial load duke parents: diff changeset	1	/*
29456 cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	2	* Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
1 489c9b5090e2 Initial load duke parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
489c9b5090e2 Initial load duke parents: diff changeset	4	*
489c9b5090e2 Initial load duke parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
489c9b5090e2 Initial load duke parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
489c9b5090e2 Initial load duke parents: diff changeset	7	* published by the Free Software Foundation.
489c9b5090e2 Initial load duke parents: diff changeset	8	*
489c9b5090e2 Initial load duke parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
489c9b5090e2 Initial load duke parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
489c9b5090e2 Initial load duke parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
489c9b5090e2 Initial load duke parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
489c9b5090e2 Initial load duke parents: diff changeset	13	* accompanied this code).
489c9b5090e2 Initial load duke parents: diff changeset	14	*
489c9b5090e2 Initial load duke parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
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489c9b5090e2 Initial load duke parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
489c9b5090e2 Initial load duke parents: diff changeset	18	*
5547 f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 3261 diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
f4b087cbb361 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 3261 diff changeset	20	* or visit www.oracle.com if you need additional information or have any
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1 489c9b5090e2 Initial load duke parents: diff changeset	22	*
489c9b5090e2 Initial load duke parents: diff changeset	23	*/
489c9b5090e2 Initial load duke parents: diff changeset	24
7397 5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6253 diff changeset	25	#ifndef OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP
5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6253 diff changeset	26	#define OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP
5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6253 diff changeset	27
15855 2ac9ebea17f3 8008959: Fix non-PCH build on Linux, Windows and MacOS X simonis parents: 14626 diff changeset	28	#include "runtime/atomic.inline.hpp"
7397 5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6253 diff changeset	29	#include "runtime/orderAccess.hpp"
14626 0cf4eccf130f 8003240: x86: move MacroAssembler into separate file twisti parents: 7885 diff changeset	30	#include "runtime/os.hpp"
7397 5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6253 diff changeset	31
29456 cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	32	// Compiler version last used for testing: solaris studio 12u3
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	33	// Please update this information when this file changes
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	34
1 489c9b5090e2 Initial load duke parents: diff changeset	35	// Implementation of class OrderAccess.
489c9b5090e2 Initial load duke parents: diff changeset	36
29456 cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	37	// A compiler barrier, forcing the C++ compiler to invalidate all memory assumptions
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	38	inline void compiler_barrier() {
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	39	__asm__ volatile ("" : : : "memory");
1 489c9b5090e2 Initial load duke parents: diff changeset	40	}
489c9b5090e2 Initial load duke parents: diff changeset	41
29456 cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	42	inline void OrderAccess::loadload() { compiler_barrier(); }
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	43	inline void OrderAccess::storestore() { compiler_barrier(); }
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	44	inline void OrderAccess::loadstore() { compiler_barrier(); }
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	45	inline void OrderAccess::storeload() { fence(); }
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	46
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	47	inline void OrderAccess::acquire() { compiler_barrier(); }
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	48	inline void OrderAccess::release() { compiler_barrier(); }
1 489c9b5090e2 Initial load duke parents: diff changeset	49
489c9b5090e2 Initial load duke parents: diff changeset	50	inline void OrderAccess::fence() {
489c9b5090e2 Initial load duke parents: diff changeset	51	if (os::is_MP()) {
29456 cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	52	#ifdef AMD64
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	53	__asm__ volatile ("lock; addl $0,0(%%rsp)" : : : "cc", "memory");
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	54	#else
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	55	__asm__ volatile ("lock; addl $0,0(%%esp)" : : : "cc", "memory");
cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	56	#endif
1 489c9b5090e2 Initial load duke parents: diff changeset	57	}
29456 cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	58	compiler_barrier();
1 489c9b5090e2 Initial load duke parents: diff changeset	59	}
489c9b5090e2 Initial load duke parents: diff changeset	60
29456 cc1c5203e60d 7143664: Clean up OrderAccess implementations and usage dholmes parents: 25715 diff changeset	61	#define VM_HAS_GENERALIZED_ORDER_ACCESS 1
7397 5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6253 diff changeset	62
5b173b4ca846 6989984: Use standard include model for Hospot stefank parents: 6253 diff changeset	63	#endif // OS_CPU_SOLARIS_X86_VM_ORDERACCESS_SOLARIS_X86_INLINE_HPP

author	dholmes
	Tue, 03 Mar 2015 19:20:26 -0500
changeset 29456	cc1c5203e60d
parent 25715	d5a8dbdc5150
child 40655	9f644073d3a0
permissions	-rw-r--r--