| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /** |
| * @author Intel, Konstantin M. Anisimov, Igor V. Chebykin |
| * |
| */ |
| |
| #ifndef IPFPROLOGEPILOGGENERATOR_H_ |
| #define IPFPROLOGEPILOGGENERATOR_H_ |
| |
| #include "IpfCfg.h" |
| #include "IpfOpndManager.h" |
| |
| namespace Jitrino { |
| namespace IPF { |
| |
| //========================================================================================// |
| // Defines |
| //========================================================================================// |
| |
| #define SITE_REG 1 |
| #define SITE_STACK 2 |
| |
| //========================================================================================// |
| // PrologEpilogGenerator |
| //========================================================================================// |
| |
| class PrologEpilogGenerator { |
| public: |
| PrologEpilogGenerator(Cfg&); |
| void genPrologEpilog(); |
| |
| private: |
| void buildSets(); |
| void reassignOutRegArgs(); |
| void genCode(); |
| |
| void saveRestoreRp(); |
| void saveRestorePr(); |
| void genAlloc(); |
| Opnd* saveRestorePfs(); |
| void saveRestoreUnat(); |
| void saveRestorePreservedBr(); |
| void saveRestorePreservedGr(); |
| void saveRestorePreservedFr(); |
| void saveRestoreSp(); |
| |
| RegOpnd* newStorage(DataKind, uint16); |
| void setRegUsage(RegOpnd*, bool); |
| I_32 calculateLocRegSize(); |
| void printRegMasks(); |
| |
| MemoryManager &mm; |
| Cfg &cfg; |
| OpndManager *opndManager; |
| |
| RegOpndSet outRegArgs; // list of out arg registers |
| bool containCall; // method contains call |
| Opnd *p0; // p0 (true predicate) |
| Opnd *sp; // gr12 (stack pointer) |
| Opnd *stackAddr; // scratch opnd to hold stack address during saving/restoring |
| |
| InstList prologInsts; // prolog instructions |
| InstList epilogInsts; // epilog instructions |
| |
| InstList allocInsts; // "alloc" instruction |
| InstList saveSpInsts; // instructions to save stack pointer |
| InstList savePfsInsts; // instructions to save AR.PFS |
| InstList saveUnatInsts; // instructions to save AR.UNAT |
| InstList saveGrsInsts; // instructions to save preserved general registers |
| InstList saveFrsInsts; // instructions to save preserved floating registers |
| InstList saveBrsInsts; // instructions to save preserved branch registers |
| InstList savePrsInsts; // instructions to save preserved predicate registers |
| InstList saveRpInsts; // instructions to save return pointer |
| InstList restRpInsts; // instructions to restore return pointer |
| InstList restPrsInsts; // instructions to restore preserved predicate registers |
| InstList restBrsInsts; // instructions to restore preserved branch registers |
| InstList restFrsInsts; // instructions to restore preserved floating registers |
| InstList restGrsInsts; // instructions to restore preserved general registers |
| InstList restUnatInsts; // instructions to restore AR.UNAT |
| InstList restPfsInsts; // instructions to restore AR.PFS |
| InstList restSpInsts; // instructions to restore stack pointer |
| |
| RegBitSet usedGrMask; // grs used in current method (1 means reg is free) |
| RegBitSet usedFrMask; // frs used in current method (1 means reg is used) |
| RegBitSet usedPrMask; // prs used in current method (1 means reg is free) |
| RegBitSet usedBrMask; // brs used in current method (1 means reg is free) |
| |
| NodeVector epilogNodes; // epilog nodes list (nodes which contain "br.ret") |
| }; |
| |
| } // IPF |
| } // Jitrino |
| |
| #endif /*IPFPROLOGEPILOGGENERATOR_H_*/ |