Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/sparc/FPR.java @ 4213:e4cfa571d8c4
Do not emit stack-to-stack moves.
author | Christian Wimmer <Christian.Wimmer@Oracle.com> |
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date | Tue, 03 Jan 2012 18:47:27 -0800 |
parents | bc8527f3071c |
children |
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/* * Copyright (c) 2007, 2011, 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.sun.max.asm.sparc; import com.sun.max.asm.*; /** * The class defining the symbolic identifiers for the floating-point registers. */ public class FPR extends AbstractSymbolicArgument { FPR(int value) { super("F" + value, value); } public static final class Single extends FPR implements SFPR { private Single(int value) { super(value); } } public static final class Double extends FPR implements DFPR { private Double(int value) { super(value); } } public static final class SingleDouble extends FPR implements SFPR, DFPR { private SingleDouble(int value) { super(value); } } public static final class DoubleQuadruple extends FPR implements DFPR, QFPR { private DoubleQuadruple(int value) { super(value); } } public static final class SingleDoubleQuadruple extends FPR implements SFPR, DFPR, QFPR { private SingleDoubleQuadruple(int value) { super(value); } } public static final SingleDoubleQuadruple F0 = new SingleDoubleQuadruple(0); public static final Single F1 = new Single(1); public static final SingleDouble F2 = new SingleDouble(2); public static final Single F3 = new Single(3); public static final SingleDoubleQuadruple F4 = new SingleDoubleQuadruple(4); public static final Single F5 = new Single(5); public static final SingleDouble F6 = new SingleDouble(6); public static final Single F7 = new Single(7); public static final SingleDoubleQuadruple F8 = new SingleDoubleQuadruple(8); public static final Single F9 = new Single(9); public static final SingleDouble F10 = new SingleDouble(10); public static final Single F11 = new Single(11); public static final SingleDoubleQuadruple F12 = new SingleDoubleQuadruple(12); public static final Single F13 = new Single(13); public static final SingleDouble F14 = new SingleDouble(14); public static final Single F15 = new Single(15); public static final SingleDoubleQuadruple F16 = new SingleDoubleQuadruple(16); public static final Single F17 = new Single(17); public static final SingleDouble F18 = new SingleDouble(18); public static final Single F19 = new Single(19); public static final SingleDoubleQuadruple F20 = new SingleDoubleQuadruple(20); public static final Single F21 = new Single(21); public static final SingleDouble F22 = new SingleDouble(22); public static final Single F23 = new Single(23); public static final SingleDoubleQuadruple F24 = new SingleDoubleQuadruple(24); public static final Single F25 = new Single(25); public static final SingleDouble F26 = new SingleDouble(26); public static final Single F27 = new Single(27); public static final SingleDoubleQuadruple F28 = new SingleDoubleQuadruple(28); public static final Single F29 = new Single(29); public static final SingleDouble F30 = new SingleDouble(30); public static final Single F31 = new Single(31); public static final DoubleQuadruple F32 = new DoubleQuadruple(32); public static final Double F34 = new Double(34); public static final DoubleQuadruple F36 = new DoubleQuadruple(36); public static final Double F38 = new Double(38); public static final DoubleQuadruple F40 = new DoubleQuadruple(40); public static final Double F42 = new Double(42); public static final DoubleQuadruple F44 = new DoubleQuadruple(44); public static final Double F46 = new Double(46); public static final DoubleQuadruple F48 = new DoubleQuadruple(48); public static final Double F50 = new Double(50); public static final DoubleQuadruple F52 = new DoubleQuadruple(52); public static final Double F54 = new Double(54); public static final DoubleQuadruple F56 = new DoubleQuadruple(56); public static final Double F58 = new Double(58); public static final DoubleQuadruple F60 = new DoubleQuadruple(60); public static final Double F62 = new Double(62); private static final FPR[] singleValues = {F0, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, F13, F14, F15, F16, F17, F18, F19, F20, F21, F22, F23, F24, F25, F26, F27, F28, F29, F30, F31}; private static final FPR[] doubleValues = {F0, F2, F4, F6, F8, F10, F12, F14, F16, F18, F20, F22, F24, F26, F28, F30, F32, F34, F36, F38, F40, F42, F44, F46, F48, F50, F52, F54, F56, F58, F60, F62}; @SuppressWarnings("unused") private static final FPR[] quadrupleValues = {F0, F4, F8, F12, F16, F20, F24, F28, F32, F36, F40, F44, F48, F52, F56, F60}; public static FPR fromValue(int value) { if (value <= 31) { return singleValues[value]; } if ((value & 0x1) == 0) { return doubleValues[value >> 1]; } throw new IllegalArgumentException(); } }