Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.asm.sparc/src/com/oracle/graal/asm/sparc/SPARCAddress.java @ 10686:73122b5edf6a
SPARC: Can compile simple methods and do static calls.
author | twisti |
---|---|
date | Tue, 09 Jul 2013 15:37:50 -0700 |
parents | 705aca4ebf2f |
children | 31266ceb86ef |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.asm.sparc; import static com.oracle.graal.sparc.SPARC.*; import com.oracle.graal.api.code.*; public class SPARCAddress extends AbstractAddress { /** * Stack bias for stack and frame pointer loads. */ private static final int STACK_BIAS = 0x7ff; private final Register base; private final int displacement; // need Register offset / displacement CompositeValue? /** * Creates an {@link SPARCAddress} with given base register, no scaling and a given * displacement. * * @param base the base register * @param displacement the displacement */ public SPARCAddress(Register base, int displacement) { this.base = base; this.displacement = displacement; } @Override public String toString() { StringBuilder s = new StringBuilder(); s.append("["); if (!getBase().equals(Register.None)) { s.append(getBase()); } // later: displacement CompositeValue? s.append("]"); return s.toString(); } /** * @return Base register that defines the start of the address computation. If not present, is * denoted by {@link Register#None}. */ public Register getBase() { return base; } /** * @return Optional additive displacement. */ public int getDisplacement() { // TODO Should we also hide the register save area size here? if (getBase() == sp || getBase() == fp) { return displacement + STACK_BIAS; } return displacement; } }