Mercurial > hg > graal-compiler
view agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86MMXRegisters.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 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.*; /* 8 64-bit registers called MMX registers*/ public class X86MMXRegisters { public static final int NUM_MMX_REGISTERS = 8; public static final X86MMXRegister MM0; public static final X86MMXRegister MM1; public static final X86MMXRegister MM2; public static final X86MMXRegister MM3; public static final X86MMXRegister MM4; public static final X86MMXRegister MM5; public static final X86MMXRegister MM6; public static final X86MMXRegister MM7; private static X86MMXRegister mmxRegisters[]; static { //MMX registers MM0 = new X86MMXRegister(0, "%mm0"); MM1 = new X86MMXRegister(1, "%mm1"); MM2 = new X86MMXRegister(2, "%mm2"); MM3 = new X86MMXRegister(3, "%mm3"); MM4 = new X86MMXRegister(4, "%mm4"); MM5 = new X86MMXRegister(5, "%mm5"); MM6 = new X86MMXRegister(6, "%mm6"); MM7 = new X86MMXRegister(7, "%mm7"); mmxRegisters = (new X86MMXRegister[] { MM0, MM1, MM2, MM3, MM4, MM5, MM6, MM7 }); } public static int getNumberOfRegisters() { return NUM_MMX_REGISTERS; } //Return the register name public static String getRegisterName(int regNum) { if (Assert.ASSERTS_ENABLED) { Assert.that(regNum > -1 && regNum < NUM_MMX_REGISTERS, "invalid MMX register number!"); } return mmxRegisters[regNum].toString(); } public static X86MMXRegister getRegister(int regNum) { if (Assert.ASSERTS_ENABLED) { Assert.that(regNum > -1 && regNum < NUM_MMX_REGISTERS, "invalid MMX register number!"); } return mmxRegisters[regNum]; } }