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src/share/vm/ci/ciConstant.cpp@b2ee5dc63353 (annotated)

src/share/vm/ci/ciConstant.cpp

Wed, 23 Oct 2013 12:40:23 +0200

author

roland

date

Wed, 23 Oct 2013 12:40:23 +0200

changeset 5991

b2ee5dc63353

parent 2314

f95d63e2154a

child 6680

78bbf4d43a14

permissions

-rw-r--r--

8024070: C2 needs some form of type speculation
Summary: record unused type profile information with type system, propagate and use it.
Reviewed-by: kvn, twisti

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1999, 2010, 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 "ci/ciConstant.hpp"
stefank@2314	27	#include "ci/ciUtilities.hpp"
stefank@2314	28	#include "memory/allocation.hpp"
stefank@2314	29	#include "memory/allocation.inline.hpp"
duke@435	30
duke@435	31	// ciConstant
duke@435	32	//
duke@435	33	// This class represents a constant value.
duke@435	34
duke@435	35	// ------------------------------------------------------------------
duke@435	36	// ciConstant::print
duke@435	37	void ciConstant::print() {
duke@435	38	tty->print("<ciConstant type=%s value=",
duke@435	39	basictype_to_str(basic_type()));
duke@435	40	switch (basic_type()) {
duke@435	41	case T_BOOLEAN:
kvn@1785	42	tty->print("%s", bool_to_str(_value._int != 0));
duke@435	43	break;
duke@435	44	case T_CHAR:
duke@435	45	case T_BYTE:
duke@435	46	case T_SHORT:
duke@435	47	case T_INT:
duke@435	48	tty->print("%d", _value._int);
duke@435	49	break;
duke@435	50	case T_LONG:
duke@435	51	tty->print(INT64_FORMAT, _value._long);
duke@435	52	break;
duke@435	53	case T_FLOAT:
duke@435	54	tty->print("%f", _value._float);
duke@435	55	break;
duke@435	56	case T_DOUBLE:
duke@435	57	tty->print("%lf", _value._double);
duke@435	58	break;
duke@435	59	case T_OBJECT:
duke@435	60	case T_ARRAY:
duke@435	61	_value._object->print();
duke@435	62	break;
duke@435	63	default:
duke@435	64	tty->print("ILLEGAL");
duke@435	65	break;
duke@435	66	}
duke@435	67	tty->print(">");
duke@435	68	}