Mercurial > hg > graal-compiler
view agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86FloatRegisters.java @ 132:60b728ec77c1
6652736: well known classes in system dictionary are inefficiently processed
Summary: combine many scalar variables into a single enum-indexed array in SystemDictionary.
Reviewed-by: kvn
author | jrose |
---|---|
date | Tue, 29 Apr 2008 19:45:22 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2002-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.asm.x86; import sun.jvm.hotspot.utilities.Assert; public class X86FloatRegisters { public static int getNumRegisters() { return NUM_REGISTERS; } public static X86FloatRegister getRegister(int regNum) { if (Assert.ASSERTS_ENABLED) { Assert.that(regNum > -1 && regNum < NUM_REGISTERS, "invalid float register number!"); } return registers[regNum]; } public static String getRegisterName(int i) { return "ST(" + i + ")"; } public static final X86FloatRegister ST0; public static final X86FloatRegister ST1; public static final X86FloatRegister ST2; public static final X86FloatRegister ST3; public static final X86FloatRegister ST4; public static final X86FloatRegister ST5; public static final X86FloatRegister ST6; public static final X86FloatRegister ST7; public static final int NUM_REGISTERS = 8; private static final X86FloatRegister registers[]; static { ST0 = new X86FloatRegister(0); ST1 = new X86FloatRegister(1); ST2 = new X86FloatRegister(2); ST3 = new X86FloatRegister(3); ST4 = new X86FloatRegister(4); ST5 = new X86FloatRegister(5); ST6 = new X86FloatRegister(6); ST7 = new X86FloatRegister(7); registers = (new X86FloatRegister[] { ST0, ST1, ST2, ST3, ST4, ST5, ST6, ST7 }); } }