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src/os_cpu/aix_ppc/vm/orderAccess_aix_ppc.inline.hpp@67fa91961822 (annotated)

src/os_cpu/aix_ppc/vm/orderAccess_aix_ppc.inline.hpp

Wed, 11 Dec 2013 00:06:11 +0100

author

goetz

date

Wed, 11 Dec 2013 00:06:11 +0100

changeset 6495

67fa91961822

parent 6465

666e6ce3976c

child 6876

710a3c8b516e

permissions

-rw-r--r--

8029940: PPC64 (part 122): C2 compiler port
Reviewed-by: kvn

simonis@6465	1	/*
simonis@6465	2	* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
simonis@6465	3	* Copyright 2012, 2013 SAP AG. All rights reserved.
simonis@6465	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
simonis@6465	5	*
simonis@6465	6	* This code is free software; you can redistribute it and/or modify it
simonis@6465	7	* under the terms of the GNU General Public License version 2 only, as
simonis@6465	8	* published by the Free Software Foundation.
simonis@6465	9	*
simonis@6465	10	* This code is distributed in the hope that it will be useful, but WITHOUT
simonis@6465	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
simonis@6465	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
simonis@6465	13	* version 2 for more details (a copy is included in the LICENSE file that
simonis@6465	14	* accompanied this code).
simonis@6465	15	*
simonis@6465	16	* You should have received a copy of the GNU General Public License version
simonis@6465	17	* 2 along with this work; if not, write to the Free Software Foundation,
simonis@6465	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
simonis@6465	19	*
simonis@6465	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
simonis@6465	21	* or visit www.oracle.com if you need additional information or have any
simonis@6465	22	* questions.
simonis@6465	23	*
simonis@6465	24	*/
simonis@6465	25
simonis@6465	26	#ifndef OS_CPU_AIX_OJDKPPC_VM_ORDERACCESS_AIX_PPC_INLINE_HPP
simonis@6465	27	#define OS_CPU_AIX_OJDKPPC_VM_ORDERACCESS_AIX_PPC_INLINE_HPP
simonis@6465	28
simonis@6465	29	#include "runtime/orderAccess.hpp"
simonis@6465	30	#include "vm_version_ppc.hpp"
simonis@6465	31
simonis@6465	32	// Implementation of class OrderAccess.
simonis@6465	33
simonis@6465	34	//
simonis@6465	35	// Machine barrier instructions:
simonis@6465	36	//
goetz@6495	37	// - sync Two-way memory barrier, aka fence.
goetz@6495	38	// - lwsync orders Store|Store,
goetz@6495	39	// Load|Store,
goetz@6495	40	// Load|Load,
goetz@6495	41	// but not Store|Load
goetz@6495	42	// - eieio orders Store|Store
goetz@6495	43	// - isync Invalidates speculatively executed instructions,
goetz@6495	44	// but isync may complete before storage accesses
goetz@6495	45	// associated with instructions preceding isync have
goetz@6495	46	// been performed.
simonis@6465	47	//
simonis@6465	48	// Semantic barrier instructions:
simonis@6465	49	// (as defined in orderAccess.hpp)
simonis@6465	50	//
goetz@6495	51	// - release orders Store|Store, (maps to lwsync)
goetz@6495	52	// Load|Store
goetz@6495	53	// - acquire orders Load|Store, (maps to lwsync)
goetz@6495	54	// Load|Load
goetz@6495	55	// - fence orders Store|Store, (maps to sync)
goetz@6495	56	// Load|Store,
goetz@6495	57	// Load|Load,
goetz@6495	58	// Store|Load
simonis@6465	59	//
simonis@6465	60
goetz@6495	61	#define inlasm_sync() __asm__ __volatile__ ("sync" : : : "memory");
goetz@6495	62	#define inlasm_lwsync() __asm__ __volatile__ ("lwsync" : : : "memory");
goetz@6495	63	#define inlasm_eieio() __asm__ __volatile__ ("eieio" : : : "memory");
goetz@6495	64	#define inlasm_isync() __asm__ __volatile__ ("isync" : : : "memory");
goetz@6495	65	#define inlasm_release() inlasm_lwsync();
goetz@6495	66	#define inlasm_acquire() inlasm_lwsync();
simonis@6465	67	// Use twi-isync for load_acquire (faster than lwsync).
simonis@6465	68	// ATTENTION: seems like xlC 10.1 has problems with this inline assembler macro (VerifyMethodHandles found "bad vminfo in AMH.conv"):
goetz@6495	69	// #define inlasm_acquire_reg(X) __asm__ __volatile__ ("twi 0,%0,0\n isync\n" : : "r" (X) : "memory");
goetz@6495	70	#define inlasm_acquire_reg(X) inlasm_lwsync();
goetz@6495	71	#define inlasm_fence() inlasm_sync();
simonis@6465	72
goetz@6495	73	inline void OrderAccess::loadload() { inlasm_lwsync(); }
goetz@6495	74	inline void OrderAccess::storestore() { inlasm_lwsync(); }
goetz@6495	75	inline void OrderAccess::loadstore() { inlasm_lwsync(); }
goetz@6495	76	inline void OrderAccess::storeload() { inlasm_fence(); }
simonis@6465	77
goetz@6495	78	inline void OrderAccess::acquire() { inlasm_acquire(); }
goetz@6495	79	inline void OrderAccess::release() { inlasm_release(); }
goetz@6495	80	inline void OrderAccess::fence() { inlasm_fence(); }
simonis@6465	81
goetz@6495	82	inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { register jbyte t = *p; inlasm_acquire_reg(t); return t; }
goetz@6495	83	inline jshort OrderAccess::load_acquire(volatile jshort* p) { register jshort t = *p; inlasm_acquire_reg(t); return t; }
goetz@6495	84	inline jint OrderAccess::load_acquire(volatile jint* p) { register jint t = *p; inlasm_acquire_reg(t); return t; }
goetz@6495	85	inline jlong OrderAccess::load_acquire(volatile jlong* p) { register jlong t = *p; inlasm_acquire_reg(t); return t; }
goetz@6495	86	inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { register jubyte t = *p; inlasm_acquire_reg(t); return t; }
goetz@6495	87	inline jushort OrderAccess::load_acquire(volatile jushort* p) { register jushort t = *p; inlasm_acquire_reg(t); return t; }
goetz@6495	88	inline juint OrderAccess::load_acquire(volatile juint* p) { register juint t = *p; inlasm_acquire_reg(t); return t; }
simonis@6465	89	inline julong OrderAccess::load_acquire(volatile julong* p) { return (julong)load_acquire((volatile jlong*)p); }
goetz@6495	90	inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { register jfloat t = *p; inlasm_acquire(); return t; }
goetz@6495	91	inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { register jdouble t = *p; inlasm_acquire(); return t; }
simonis@6465	92
simonis@6465	93	inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return (intptr_t)load_acquire((volatile jlong*)p); }
simonis@6465	94	inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return (void*) load_acquire((volatile jlong*)p); }
simonis@6465	95	inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return (void*) load_acquire((volatile jlong*)p); }
simonis@6465	96
goetz@6495	97	inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { inlasm_release(); *p = v; }
goetz@6495	98	inline void OrderAccess::release_store(volatile jshort* p, jshort v) { inlasm_release(); *p = v; }
goetz@6495	99	inline void OrderAccess::release_store(volatile jint* p, jint v) { inlasm_release(); *p = v; }
goetz@6495	100	inline void OrderAccess::release_store(volatile jlong* p, jlong v) { inlasm_release(); *p = v; }
goetz@6495	101	inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { inlasm_release(); *p = v; }
goetz@6495	102	inline void OrderAccess::release_store(volatile jushort* p, jushort v) { inlasm_release(); *p = v; }
goetz@6495	103	inline void OrderAccess::release_store(volatile juint* p, juint v) { inlasm_release(); *p = v; }
goetz@6495	104	inline void OrderAccess::release_store(volatile julong* p, julong v) { inlasm_release(); *p = v; }
goetz@6495	105	inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { inlasm_release(); *p = v; }
goetz@6495	106	inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { inlasm_release(); *p = v; }
simonis@6465	107
goetz@6495	108	inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { inlasm_release(); *p = v; }
goetz@6495	109	inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { inlasm_release(); *(void* volatile *)p = v; }
simonis@6465	110
goetz@6495	111	inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; inlasm_fence(); }
goetz@6495	112	inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; inlasm_fence(); }
goetz@6495	113	inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; inlasm_fence(); }
goetz@6495	114	inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; inlasm_fence(); }
goetz@6495	115	inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; inlasm_fence(); }
goetz@6495	116	inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; inlasm_fence(); }
goetz@6495	117	inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; inlasm_fence(); }
goetz@6495	118	inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; inlasm_fence(); }
goetz@6495	119	inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; inlasm_fence(); }
goetz@6495	120	inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; inlasm_fence(); }
simonis@6465	121
goetz@6495	122	inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; inlasm_fence(); }
goetz@6495	123	inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; inlasm_fence(); }
simonis@6465	124
goetz@6495	125	inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	126	inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	127	inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	128	inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	129	inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	130	inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	131	inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	132	inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	133	inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	134	inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { inlasm_release(); *p = v; inlasm_fence(); }
simonis@6465	135
goetz@6495	136	inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { inlasm_release(); *p = v; inlasm_fence(); }
goetz@6495	137	inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { inlasm_release(); *(void* volatile *)p = v; inlasm_fence(); }
simonis@6465	138
goetz@6495	139	#undef inlasm_sync
goetz@6495	140	#undef inlasm_lwsync
goetz@6495	141	#undef inlasm_eieio
goetz@6495	142	#undef inlasm_isync
goetz@6495	143	#undef inlasm_release
goetz@6495	144	#undef inlasm_acquire
goetz@6495	145	#undef inlasm_fence
simonis@6465	146
simonis@6465	147	#endif // OS_CPU_AIX_OJDKPPC_VM_ORDERACCESS_AIX_PPC_INLINE_HPP