Mercurial > hg > graal-jvmci-8
view c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/HotSpotRegisterConfig.java @ 1435:20a3896518ac
Initial adjustments to make C1X4HotSpot compile and run with latest Maxine version.
author | Thomas Wuerthinger <wuerthinger@ssw.jku.at> |
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date | Fri, 22 Oct 2010 17:31:38 +0200 |
parents | 72cfb36c6bb2 |
children | 9e5e83ca2259 |
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/* * Copyright (c) 2009-2010 Sun Microsystems, Inc. All rights reserved. * * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is * described in this document. In particular, and without limitation, these intellectual property rights may include one * or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents or pending patent * applications in the U.S. and in other countries. * * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc. standard * license agreement and applicable provisions of the FAR and its supplements. * * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or registered * trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks are used under license and * are trademarks or registered trademarks of SPARC International, Inc. in the U.S. and other countries. * * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open Company, Ltd. */ package com.sun.hotspot.c1x; import com.sun.c1x.target.amd64.AMD64; import com.sun.c1x.util.Util; import com.sun.cri.ci.CiCallingConvention; import com.sun.cri.ci.CiKind; import com.sun.cri.ci.CiRegister; import com.sun.cri.ci.CiStackSlot; import com.sun.cri.ci.CiTarget; import com.sun.cri.ci.CiValue; import com.sun.cri.ri.RiRegisterConfig; /** * @author Thomas Wuerthinger * */ public class HotSpotRegisterConfig implements RiRegisterConfig { // be careful - the contents of this array are duplicated in c1x_CodeInstaller.cpp @Override public CiRegister[] getAllocatableRegisters() { return new CiRegister[] { AMD64.rax, AMD64.rbx, AMD64.rcx, AMD64.rdx, AMD64.rsi, AMD64.rdi, AMD64.r8, AMD64.r9, /* AMD64.r10, */AMD64.r11, AMD64.r12, AMD64.r13, AMD64.r14, AMD64.xmm0, AMD64.xmm1, AMD64.xmm2, AMD64.xmm3, AMD64.xmm4, AMD64.xmm5, AMD64.xmm6, AMD64.xmm7, AMD64.xmm8, AMD64.xmm9, AMD64.xmm10, AMD64.xmm11, AMD64.xmm12, AMD64.xmm13, AMD64.xmm14, AMD64.xmm15}; } private final CiRegister[] generalParameterRegisters; private final CiRegister[] xmmParameterRegisters = new CiRegister[] { AMD64.xmm0, AMD64.xmm1, AMD64.xmm2, AMD64.xmm3, AMD64.xmm4, AMD64.xmm5, AMD64.xmm6, AMD64.xmm7}; public HotSpotRegisterConfig(HotSpotVMConfig config) { if (config.windowsOs) { generalParameterRegisters = new CiRegister[] { AMD64.rdx, AMD64.r8, AMD64.r9, AMD64.rdi, AMD64.rsi, AMD64.rcx}; } else { generalParameterRegisters = new CiRegister[] { AMD64.rsi, AMD64.rdx, AMD64.rcx, AMD64.r8, AMD64.r9, AMD64.rdi}; } } @Override public int getCalleeSaveRegisterOffset(CiRegister register) { return 0; } @Override public CiRegister[] getCallerSaveRegisters() { return getAllocatableRegisters(); } @Override public CiRegister getFramePointerRegister() { return AMD64.rbp; } @Override public CiRegister getIntegerRegister(int index) { throw new UnsupportedOperationException(); } @Override public CiCallingConvention getJavaCallingConvention(CiKind[] parameters, boolean outgoing, CiTarget target) { return callingConvention(parameters, outgoing, target); } private CiCallingConvention callingConvention(CiKind[] types, boolean outgoing, CiTarget target) { CiValue[] locations = new CiValue[types.length]; int currentGeneral = 0; int currentXMM = 0; int currentStackIndex = 0; for (int i = 0; i < types.length; i++) { final CiKind kind = types[i]; switch (kind) { case Byte: case Boolean: case Short: case Char: case Int: case Long: case Word: case Object: if (currentGeneral < generalParameterRegisters.length) { CiRegister register = generalParameterRegisters[currentGeneral++]; locations[i] = register.asValue(kind); } break; case Float: case Double: if (currentXMM < xmmParameterRegisters.length) { CiRegister register = xmmParameterRegisters[currentXMM++]; locations[i] = register.asValue(kind); } break; default: throw Util.shouldNotReachHere(); } if (locations[i] == null) { // we need to adjust for the frame pointer stored on the stack, which shifts incoming arguments by one slot locations[i] = CiStackSlot.get(kind.stackKind(), currentStackIndex + (outgoing ? 0 : 1), !outgoing); currentStackIndex += target.spillSlots(kind); } } return new CiCallingConvention(locations, currentStackIndex * target.spillSlotSize); } @Override public int getMinimumCalleeSaveFrameSize() { return 0; } @Override public CiCallingConvention getNativeCallingConvention(CiKind[] parameters, boolean outgoing, CiTarget target) { throw new UnsupportedOperationException(); } @Override public CiRegister[] getRegisterReferenceMapOrder() { return getAllocatableRegisters(); } @Override public CiRegister getReturnRegister(CiKind kind) { switch (kind) { case Boolean: case Byte: case Char: case Short: case Int: case Long: case Object: case Word: return AMD64.rax; case Float: case Double: return AMD64.xmm0; case Void: case Illegal: return null; default: throw new UnsupportedOperationException("no return register for type " + kind); } } @Override public CiCallingConvention getRuntimeCallingConvention(CiKind[] parameters, CiTarget target) { return callingConvention(parameters, true, target); } @Override public CiRegister getScratchRegister() { return AMD64.r10; } @Override public CiRegister getStackPointerRegister() { return AMD64.rsp; } }