• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/c1/c1_Compiler.cpp@833b0f92429a (annotated)

src/share/vm/c1/c1_Compiler.cpp

Wed, 27 Aug 2014 08:19:12 -0400

author

zgu

date

Wed, 27 Aug 2014 08:19:12 -0400

changeset 7074

833b0f92429a

parent 6198

55fb97c4c58d

child 7535

7ae4e26cb1e0

permissions

-rw-r--r--

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

duke@435	1	/*
mikael@6198	2	* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "c1/c1_Compilation.hpp"
stefank@2314	27	#include "c1/c1_Compiler.hpp"
stefank@2314	28	#include "c1/c1_FrameMap.hpp"
stefank@2314	29	#include "c1/c1_GraphBuilder.hpp"
stefank@2314	30	#include "c1/c1_LinearScan.hpp"
stefank@2314	31	#include "c1/c1_MacroAssembler.hpp"
stefank@2314	32	#include "c1/c1_Runtime1.hpp"
stefank@2314	33	#include "c1/c1_ValueType.hpp"
stefank@2314	34	#include "compiler/compileBroker.hpp"
stefank@2314	35	#include "compiler/compilerOracle.hpp"
stefank@2314	36	#include "interpreter/linkResolver.hpp"
stefank@2314	37	#include "memory/allocation.hpp"
stefank@2314	38	#include "memory/allocation.inline.hpp"
stefank@2314	39	#include "memory/resourceArea.hpp"
stefank@2314	40	#include "prims/nativeLookup.hpp"
stefank@2314	41	#include "runtime/arguments.hpp"
stefank@2314	42	#include "runtime/interfaceSupport.hpp"
stefank@2314	43	#include "runtime/sharedRuntime.hpp"
duke@435	44
duke@435	45
anoll@5919	46	Compiler::Compiler () {}
duke@435	47
anoll@5919	48	void Compiler::init_c1_runtime() {
iveresov@1939	49	BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
zgu@7074	50	Arena* arena = new (mtCompiler) Arena(mtCompiler);
iveresov@1939	51	Runtime1::initialize(buffer_blob);
iveresov@1939	52	FrameMap::initialize();
iveresov@1939	53	// initialize data structures
iveresov@1939	54	ValueType::initialize(arena);
iveresov@1939	55	GraphBuilder::initialize();
iveresov@1939	56	// note: to use more than one instance of LinearScan at a time this function call has to
iveresov@1939	57	// be moved somewhere outside of this constructor:
iveresov@1939	58	Interval::initialize(arena);
iveresov@1939	59	}
iveresov@1939	60
iveresov@1939	61
duke@435	62	void Compiler::initialize() {
anoll@5919	63	// Buffer blob must be allocated per C1 compiler thread at startup
anoll@5919	64	BufferBlob* buffer_blob = init_buffer_blob();
anoll@5919	65
anoll@5919	66	if (should_perform_init()) {
anoll@5919	67	if (buffer_blob == NULL) {
anoll@5919	68	// When we come here we are in state 'initializing'; entire C1 compilation
anoll@5919	69	// can be shut down.
anoll@5919	70	set_state(failed);
anoll@5919	71	} else {
anoll@5919	72	init_c1_runtime();
anoll@5919	73	set_state(initialized);
anoll@5919	74	}
duke@435	75	}
duke@435	76	}
duke@435	77
anoll@5919	78	BufferBlob* Compiler::init_buffer_blob() {
anoll@5157	79	// Allocate buffer blob once at startup since allocation for each
anoll@5157	80	// compilation seems to be too expensive (at least on Intel win32).
anoll@5919	81	assert (CompilerThread::current()->get_buffer_blob() == NULL, "Should initialize only once");
anoll@5157	82
iveresov@1939	83	// setup CodeBuffer. Preallocate a BufferBlob of size
iveresov@1939	84	// NMethodSizeLimit plus some extra space for constants.
iveresov@1939	85	int code_buffer_size = Compilation::desired_max_code_buffer_size() +
iveresov@1939	86	Compilation::desired_max_constant_size();
anoll@5157	87
anoll@5919	88	BufferBlob* buffer_blob = BufferBlob::create("C1 temporary CodeBuffer", code_buffer_size);
anoll@5919	89	if (buffer_blob != NULL) {
anoll@5157	90	CompilerThread::current()->set_buffer_blob(buffer_blob);
anoll@5157	91	}
anoll@5157	92
anoll@5157	93	return buffer_blob;
iveresov@1939	94	}
iveresov@1939	95
iveresov@1939	96
duke@435	97	void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
anoll@5919	98	BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
anoll@5919	99	assert(buffer_blob != NULL, "Must exist");
duke@435	100	// invoke compilation
duke@435	101	{
duke@435	102	// We are nested here because we need for the destructor
duke@435	103	// of Compilation to occur before we release the any
duke@435	104	// competing compiler thread
duke@435	105	ResourceMark rm;
iveresov@1939	106	Compilation c(this, env, method, entry_bci, buffer_blob);
duke@435	107	}
duke@435	108	}
duke@435	109
duke@435	110
duke@435	111	void Compiler::print_timers() {
duke@435	112	Compilation::print_timers();
duke@435	113	}