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src/cpu/zero/vm/vmreg_zero.cpp@f90c822e73f8 (annotated)

src/cpu/zero/vm/vmreg_zero.cpp

Wed, 27 Apr 2016 01:25:04 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:25:04 +0800

changeset 0

f90c822e73f8

child 6876

710a3c8b516e

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* Copyright 2007 Red Hat, Inc.
aoqi@0	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	5	*
aoqi@0	6	* This code is free software; you can redistribute it and/or modify it
aoqi@0	7	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	8	* published by the Free Software Foundation.
aoqi@0	9	*
aoqi@0	10	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	13	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	14	* accompanied this code).
aoqi@0	15	*
aoqi@0	16	* You should have received a copy of the GNU General Public License version
aoqi@0	17	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	18	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	19	*
aoqi@0	20	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	21	* or visit www.oracle.com if you need additional information or have any
aoqi@0	22	* questions.
aoqi@0	23	*
aoqi@0	24	*/
aoqi@0	25
aoqi@0	26	#include "precompiled.hpp"
aoqi@0	27	#include "asm/assembler.hpp"
aoqi@0	28	#include "code/vmreg.hpp"
aoqi@0	29
aoqi@0	30	void VMRegImpl::set_regName() {
aoqi@0	31	int i = 0;
aoqi@0	32	Register reg = ::as_Register(0);
aoqi@0	33	for ( ; i < ConcreteRegisterImpl::max_gpr ; ) {
aoqi@0	34	regName[i++] = reg->name();
aoqi@0	35	reg = reg->successor();
aoqi@0	36	}
aoqi@0	37	FloatRegister freg = ::as_FloatRegister(0);
aoqi@0	38	for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
aoqi@0	39	regName[i++] = freg->name();
aoqi@0	40	freg = freg->successor();
aoqi@0	41	}
aoqi@0	42	assert(i == ConcreteRegisterImpl::number_of_registers, "fix this");
aoqi@0	43	}
aoqi@0	44
aoqi@0	45	bool VMRegImpl::is_Register() {
aoqi@0	46	return value() >= 0 &&
aoqi@0	47	value() < ConcreteRegisterImpl::max_gpr;
aoqi@0	48	}
aoqi@0	49
aoqi@0	50	bool VMRegImpl::is_FloatRegister() {
aoqi@0	51	return value() >= ConcreteRegisterImpl::max_gpr &&
aoqi@0	52	value() < ConcreteRegisterImpl::max_fpr;
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	Register VMRegImpl::as_Register() {
aoqi@0	56	assert(is_Register(), "must be");
aoqi@0	57	return ::as_Register(value());
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	FloatRegister VMRegImpl::as_FloatRegister() {
aoqi@0	61	assert(is_FloatRegister(), "must be" );
aoqi@0	62	return ::as_FloatRegister(value() - ConcreteRegisterImpl::max_gpr);
aoqi@0	63	}