108 lines
4.7 KiB
C++
108 lines
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef _HPPA_EMITTER_H_
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#define _HPPA_EMITTER_H_
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#include "InstructionEmitter.h"
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#include "HPPAInstruction.h"
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#include "VirtualRegister.h"
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#include "FastBitSet.h"
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class PrimArg;
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class Pool;
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#define UNDEFINED_RULE(inRuleKind) \
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case inRuleKind: \
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PR_ASSERT(false); \
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break;
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#define UNIMP_CODE(a)
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/*
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*-----------------------------------------------------------------------
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*
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* HPPA-1.1 Instruction Emitter.
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*
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*-----------------------------------------------------------------------
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*/
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class HPPAEmitter : public InstructionEmitter
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{
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protected:
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Instruction& genInstruction(DataNode* inPrimitive, Pool& inPool, HPPAInstructionKind kind, PRUint32 data = 0);
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void emitInstruction(Primitive& inPrimitive, HPPAInstructionKind kind);
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void emitCondBranch(Primitive& inPrimitive, HPPAConditionKind kind);
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void emitOrImm(Primitive& inPrimitive, const Value& value);
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void emitAndImm(Primitive& inPrimitive, const Value& value);
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void emitXorImm(Primitive& inPrimitive, const Value& value);
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void emitAddImm(DataNode& inPrimitive, const Value& value);
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void emitDivImm(Primitive& inPrimitive, const Value& value);
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void emitMulImm(Primitive& inPrimitive, const Value& value);
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void emitShlImm(Primitive& inPrimitive, const Value& value);
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void emitConst(Primitive& inPrimitive, const Value& value);
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void emitResult(Primitive& inPrimitive);
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void emitChkNull(Primitive& inPrimitive);
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void emitLimitR(Primitive& inPrimitive);
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void emitLimit(Primitive& inPrimitive);
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void emitLoad(Primitive& inPrimitive, HPPAInstructionFlags flags = HPPA_NONE);
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void emitLoadFromImm(Primitive& inPrimitive, HPPAInstructionFlags flags = HPPA_NONE);
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void emitStore(Primitive& inPrimitive, HPPAInstructionFlags flags = HPPA_NONE);
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void emitStoreImm(Primitive& inPrimitive, HPPAInstructionFlags flags = HPPA_NONE);
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void emitStoreToImm(Primitive& inPrimitive, HPPAInstructionFlags flags = HPPA_NONE);
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void emitStoreImmToImm(Primitive& inPrimitive, HPPAInstructionFlags flags = HPPA_NONE);
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void emitShAddIndirect(Primitive& inPrimitive);
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void emitSpecialCall(Primitive& inPrimitive, HPPASpecialCallKind kind);
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VirtualRegister& genLoadConstant(DataNode& inPrimitive, const Value& value, bool checkIM14 = true);
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VirtualRegister& genShiftAdd(Primitive& inPrimitive, const PRUint8 shiftBy, VirtualRegister& shiftedReg, VirtualRegister& addedReg);
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VirtualRegister& genShiftSub(Primitive& inPrimitive, const PRUint8 shiftBy, VirtualRegister& shiftedReg, VirtualRegister& subtractedReg, bool neg = false);
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static void initSpecialCall();
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static bool initSpecialCallDone;
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public:
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HPPAEmitter(Pool& inPool, VirtualRegisterManager& vrMan) : InstructionEmitter(inPool, vrMan)
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{
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if (!initSpecialCallDone)
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{
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initSpecialCallDone = true;
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initSpecialCall();
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}
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}
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virtual void emitPrimitive(Primitive& inPrimitive, NamedRule inRule);
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void calculatePrologEpilog(Method& /*inMethod*/, uint32& outPrologSize, uint32& outEpilogSize) {outPrologSize = 32; outEpilogSize = 4;}
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virtual void formatPrologToMemory(void* inWhere);
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virtual void formatEpilogToMemory(void* inWhere) {*(PRUint32*)inWhere = 0xe840c002; /* bv,n 0(%rp) */}
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virtual void emitArgument(PrimArg& /*inArguments*/, const PRUint32 /*inArgumentIndex*/) {}
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virtual void emitArguments(ControlBegin& inBeginNode);
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virtual Instruction& emitAbsoluteBranch(DataNode& inDataNode, ControlNode& inTarget);
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virtual bool emitCopyAfter(DataNode& inDataNode, SortedDoublyLinkedList<Instruction>::iterator where, VirtualRegister& fromVr, VirtualRegister& toVr);
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virtual void emitLoadAfter(DataNode& /*inDataNode*/, SortedDoublyLinkedList<Instruction>::iterator /*where*/, VirtualRegister& /*loadedReg*/, VirtualRegister& /*stackReg*/) {}
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virtual void emitStoreAfter(DataNode& /*inDataNode*/, SortedDoublyLinkedList<Instruction>::iterator /*where*/, VirtualRegister& /*storedReg*/, VirtualRegister& /*stackReg*/) {}
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};
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#endif /* _HPPA_EMITTER_H_ */
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