131d157ae1ac2cd9c787dc3c1d28e64c682803844Jia Liu//===-- PPCInstrInfo.h - PowerPC Instruction Information --------*- C++ -*-===// 2b5f662fa0314f7e7e690aae8ebff7136cc3a5ab0Misha Brukman// 3f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman// The LLVM Compiler Infrastructure 4f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 7b5f662fa0314f7e7e690aae8ebff7136cc3a5ab0Misha Brukman// 8f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman//===----------------------------------------------------------------------===// 9f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman// 10f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman// This file contains the PowerPC implementation of the TargetInstrInfo class. 11f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman// 12f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman//===----------------------------------------------------------------------===// 13f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman 1431d157ae1ac2cd9c787dc3c1d28e64c682803844Jia Liu#ifndef POWERPC_INSTRUCTIONINFO_H 1531d157ae1ac2cd9c787dc3c1d28e64c682803844Jia Liu#define POWERPC_INSTRUCTIONINFO_H 16f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman 172668959b8879097db368aec7d76c455260abc75bChris Lattner#include "PPC.h" 1816e71f2f70811c69c56052dd146324fe20e31db5Chris Lattner#include "PPCRegisterInfo.h" 1979aa3417eb6f58d668aadfedf075240a41d35a26Craig Topper#include "llvm/Target/TargetInstrInfo.h" 20f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman 214db3cffe94a5285239cc0056f939c6b74a5ca0b6Evan Cheng#define GET_INSTRINFO_HEADER 224db3cffe94a5285239cc0056f939c6b74a5ca0b6Evan Cheng#include "PPCGenInstrInfo.inc" 234db3cffe94a5285239cc0056f939c6b74a5ca0b6Evan Cheng 24f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukmannamespace llvm { 2588d211f82304e53694ece666d4a2507b170e4582Chris Lattner 2688d211f82304e53694ece666d4a2507b170e4582Chris Lattner/// PPCII - This namespace holds all of the PowerPC target-specific 2788d211f82304e53694ece666d4a2507b170e4582Chris Lattner/// per-instruction flags. These must match the corresponding definitions in 2888d211f82304e53694ece666d4a2507b170e4582Chris Lattner/// PPC.td and PPCInstrFormats.td. 2988d211f82304e53694ece666d4a2507b170e4582Chris Lattnernamespace PPCII { 3088d211f82304e53694ece666d4a2507b170e4582Chris Lattnerenum { 3188d211f82304e53694ece666d4a2507b170e4582Chris Lattner // PPC970 Instruction Flags. These flags describe the characteristics of the 3288d211f82304e53694ece666d4a2507b170e4582Chris Lattner // PowerPC 970 (aka G5) dispatch groups and how they are formed out of 3388d211f82304e53694ece666d4a2507b170e4582Chris Lattner // raw machine instructions. 3488d211f82304e53694ece666d4a2507b170e4582Chris Lattner 3588d211f82304e53694ece666d4a2507b170e4582Chris Lattner /// PPC970_First - This instruction starts a new dispatch group, so it will 3688d211f82304e53694ece666d4a2507b170e4582Chris Lattner /// always be the first one in the group. 3788d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_First = 0x1, 386e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 3988d211f82304e53694ece666d4a2507b170e4582Chris Lattner /// PPC970_Single - This instruction starts a new dispatch group and 4088d211f82304e53694ece666d4a2507b170e4582Chris Lattner /// terminates it, so it will be the sole instruction in the group. 4188d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_Single = 0x2, 4288d211f82304e53694ece666d4a2507b170e4582Chris Lattner 43fd97734f3636f54a86890918096d3d692df0b939Chris Lattner /// PPC970_Cracked - This instruction is cracked into two pieces, requiring 44fd97734f3636f54a86890918096d3d692df0b939Chris Lattner /// two dispatch pipes to be available to issue. 45fd97734f3636f54a86890918096d3d692df0b939Chris Lattner PPC970_Cracked = 0x4, 466e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 4788d211f82304e53694ece666d4a2507b170e4582Chris Lattner /// PPC970_Mask/Shift - This is a bitmask that selects the pipeline type that 4888d211f82304e53694ece666d4a2507b170e4582Chris Lattner /// an instruction is issued to. 49fd97734f3636f54a86890918096d3d692df0b939Chris Lattner PPC970_Shift = 3, 50d74ea2bbd8bb630331f35ead42d385249bd42af8Chris Lattner PPC970_Mask = 0x07 << PPC970_Shift 5188d211f82304e53694ece666d4a2507b170e4582Chris Lattner}; 5288d211f82304e53694ece666d4a2507b170e4582Chris Lattnerenum PPC970_Unit { 5388d211f82304e53694ece666d4a2507b170e4582Chris Lattner /// These are the various PPC970 execution unit pipelines. Each instruction 5488d211f82304e53694ece666d4a2507b170e4582Chris Lattner /// is one of these. 5588d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_Pseudo = 0 << PPC970_Shift, // Pseudo instruction 5688d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_FXU = 1 << PPC970_Shift, // Fixed Point (aka Integer/ALU) Unit 5788d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_LSU = 2 << PPC970_Shift, // Load Store Unit 5888d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_FPU = 3 << PPC970_Shift, // Floating Point Unit 5988d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_CRU = 4 << PPC970_Shift, // Control Register Unit 6088d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_VALU = 5 << PPC970_Shift, // Vector ALU 6188d211f82304e53694ece666d4a2507b170e4582Chris Lattner PPC970_VPERM = 6 << PPC970_Shift, // Vector Permute Unit 62d74ea2bbd8bb630331f35ead42d385249bd42af8Chris Lattner PPC970_BRU = 7 << PPC970_Shift // Branch Unit 6388d211f82304e53694ece666d4a2507b170e4582Chris Lattner}; 64b908258d59745ab9f150c66f94541951cf9c9211Chris Lattner} // end namespace PPCII 656e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 666e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 674db3cffe94a5285239cc0056f939c6b74a5ca0b6Evan Chengclass PPCInstrInfo : public PPCGenInstrInfo { 68b1d26f66658cff3ceb7d44a72fbc8c8e975532f9Chris Lattner PPCTargetMachine &TM; 6921e463b2bf864671a87ebe386cb100ef9349a540Nate Begeman const PPCRegisterInfo RI; 704a66e9a57e679b4f3243bf2061daf53c70102030Bill Wendling 718e5f2c6f65841542e2a7092553fe42a00048e4c7Dan Gohman bool StoreRegToStackSlot(MachineFunction &MF, 728e5f2c6f65841542e2a7092553fe42a00048e4c7Dan Gohman unsigned SrcReg, bool isKill, int FrameIdx, 734a66e9a57e679b4f3243bf2061daf53c70102030Bill Wendling const TargetRegisterClass *RC, 744a66e9a57e679b4f3243bf2061daf53c70102030Bill Wendling SmallVectorImpl<MachineInstr*> &NewMIs) const; 75d21e930eac3d99dd77ee33ea5826700b4bc97ae8Hal Finkel bool LoadRegFromStackSlot(MachineFunction &MF, DebugLoc DL, 768e5f2c6f65841542e2a7092553fe42a00048e4c7Dan Gohman unsigned DestReg, int FrameIdx, 774a66e9a57e679b4f3243bf2061daf53c70102030Bill Wendling const TargetRegisterClass *RC, 784a66e9a57e679b4f3243bf2061daf53c70102030Bill Wendling SmallVectorImpl<MachineInstr*> &NewMIs) const; 79f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukmanpublic: 80950a4c40b823cd4f09dc71be635229246dfd6cacDan Gohman explicit PPCInstrInfo(PPCTargetMachine &TM); 81f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman 82f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As 83f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman /// such, whenever a client has an instance of instruction info, it should 84f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman /// always be able to get register info as well (through this method). 85f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman /// 86c9f5f3f64f896d0a8c8fa35a1dd98bc57b8960f6Dan Gohman virtual const PPCRegisterInfo &getRegisterInfo() const { return RI; } 87f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman 882da8bc8a5f7705ac131184cd247f48500da0d74eAndrew Trick ScheduleHazardRecognizer * 892da8bc8a5f7705ac131184cd247f48500da0d74eAndrew Trick CreateTargetHazardRecognizer(const TargetMachine *TM, 902da8bc8a5f7705ac131184cd247f48500da0d74eAndrew Trick const ScheduleDAG *DAG) const; 9164c34e253563a8ba6b41fbce2bb020632cf65961Hal Finkel ScheduleHazardRecognizer * 9264c34e253563a8ba6b41fbce2bb020632cf65961Hal Finkel CreateTargetPostRAHazardRecognizer(const InstrItineraryData *II, 9364c34e253563a8ba6b41fbce2bb020632cf65961Hal Finkel const ScheduleDAG *DAG) const; 942da8bc8a5f7705ac131184cd247f48500da0d74eAndrew Trick 957164288c3eb52e20454fc757440f867f04eb13a4Jakob Stoklund Olesen bool isCoalescableExtInstr(const MachineInstr &MI, 967164288c3eb52e20454fc757440f867f04eb13a4Jakob Stoklund Olesen unsigned &SrcReg, unsigned &DstReg, 977164288c3eb52e20454fc757440f867f04eb13a4Jakob Stoklund Olesen unsigned &SubIdx) const; 98cbad42cfd1cc93a41ff26ea2e8895bfbc09f54f2Dan Gohman unsigned isLoadFromStackSlot(const MachineInstr *MI, 99cbad42cfd1cc93a41ff26ea2e8895bfbc09f54f2Dan Gohman int &FrameIndex) const; 100cbad42cfd1cc93a41ff26ea2e8895bfbc09f54f2Dan Gohman unsigned isStoreToStackSlot(const MachineInstr *MI, 101cbad42cfd1cc93a41ff26ea2e8895bfbc09f54f2Dan Gohman int &FrameIndex) const; 102408396014742a05cad1c91949d2226169e3f9d80Chris Lattner 103043870dd85ea41e8972c304b122070a417c8a4bcChris Lattner // commuteInstruction - We can commute rlwimi instructions, but only if the 104043870dd85ea41e8972c304b122070a417c8a4bcChris Lattner // rotate amt is zero. We also have to munge the immediates a bit. 10558dcb0e0cd3fa973b5fd005aecab1df6aeea5cd6Evan Cheng virtual MachineInstr *commuteInstruction(MachineInstr *MI, bool NewMI) const; 1066e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 1076e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick virtual void insertNoop(MachineBasicBlock &MBB, 108bbf1c72d51a77bf54c9c684b90a78e59f0b70b2fChris Lattner MachineBasicBlock::iterator MI) const; 109bbf1c72d51a77bf54c9c684b90a78e59f0b70b2fChris Lattner 110c50e2bcdf7bff1f9681ab80e52691f274950fab5Chris Lattner 111c50e2bcdf7bff1f9681ab80e52691f274950fab5Chris Lattner // Branch analysis. 112c50e2bcdf7bff1f9681ab80e52691f274950fab5Chris Lattner virtual bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB, 113c50e2bcdf7bff1f9681ab80e52691f274950fab5Chris Lattner MachineBasicBlock *&FBB, 114dc54d317e7a381ef8e4aca80d54ad1466bb85ddaEvan Cheng SmallVectorImpl<MachineOperand> &Cond, 115dc54d317e7a381ef8e4aca80d54ad1466bb85ddaEvan Cheng bool AllowModify) const; 116b5cdaa257e167a08a8a54ea9249d847ccc415ce0Evan Cheng virtual unsigned RemoveBranch(MachineBasicBlock &MBB) const; 117b5cdaa257e167a08a8a54ea9249d847ccc415ce0Evan Cheng virtual unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB, 118b5cdaa257e167a08a8a54ea9249d847ccc415ce0Evan Cheng MachineBasicBlock *FBB, 1193bf912593301152b65accb9d9c37a95172f1df5aStuart Hastings const SmallVectorImpl<MachineOperand> &Cond, 1203bf912593301152b65accb9d9c37a95172f1df5aStuart Hastings DebugLoc DL) const; 12127689b0affee8fb1bfbef11dcc84287b7757cfe8Jakob Stoklund Olesen virtual void copyPhysReg(MachineBasicBlock &MBB, 12227689b0affee8fb1bfbef11dcc84287b7757cfe8Jakob Stoklund Olesen MachineBasicBlock::iterator I, DebugLoc DL, 12327689b0affee8fb1bfbef11dcc84287b7757cfe8Jakob Stoklund Olesen unsigned DestReg, unsigned SrcReg, 12427689b0affee8fb1bfbef11dcc84287b7757cfe8Jakob Stoklund Olesen bool KillSrc) const; 1256e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 126f6372aa1cc568df19da7c5023e83c75aa9404a07Owen Anderson virtual void storeRegToStackSlot(MachineBasicBlock &MBB, 127f6372aa1cc568df19da7c5023e83c75aa9404a07Owen Anderson MachineBasicBlock::iterator MBBI, 128f6372aa1cc568df19da7c5023e83c75aa9404a07Owen Anderson unsigned SrcReg, bool isKill, int FrameIndex, 129746ad69e088176819981b4b2c5ac8dcd49f5e60eEvan Cheng const TargetRegisterClass *RC, 130746ad69e088176819981b4b2c5ac8dcd49f5e60eEvan Cheng const TargetRegisterInfo *TRI) const; 131f6372aa1cc568df19da7c5023e83c75aa9404a07Owen Anderson 132f6372aa1cc568df19da7c5023e83c75aa9404a07Owen Anderson virtual void loadRegFromStackSlot(MachineBasicBlock &MBB, 133f6372aa1cc568df19da7c5023e83c75aa9404a07Owen Anderson MachineBasicBlock::iterator MBBI, 134f6372aa1cc568df19da7c5023e83c75aa9404a07Owen Anderson unsigned DestReg, int FrameIndex, 135746ad69e088176819981b4b2c5ac8dcd49f5e60eEvan Cheng const TargetRegisterClass *RC, 136746ad69e088176819981b4b2c5ac8dcd49f5e60eEvan Cheng const TargetRegisterInfo *TRI) const; 1376e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 1380965217e74fe07f1451350a80114ab566ced5de0Evan Cheng virtual MachineInstr *emitFrameIndexDebugValue(MachineFunction &MF, 1398601a3d4decff0a380e059b037dabf71075497d3Evan Cheng int FrameIx, 1400965217e74fe07f1451350a80114ab566ced5de0Evan Cheng uint64_t Offset, 1410965217e74fe07f1451350a80114ab566ced5de0Evan Cheng const MDNode *MDPtr, 1420965217e74fe07f1451350a80114ab566ced5de0Evan Cheng DebugLoc DL) const; 1430965217e74fe07f1451350a80114ab566ced5de0Evan Cheng 14444eb65cf58e3ab9b5621ce72256d1621a18aeed7Owen Anderson virtual 14544eb65cf58e3ab9b5621ce72256d1621a18aeed7Owen Anderson bool ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const; 1466e8f4c404825b79f9b9176483653f1aa927dfbdeAndrew Trick 14752e724ad7e679ee590f4bd763d55280586a8f1bcNicolas Geoffray /// GetInstSize - Return the number of bytes of code the specified 14852e724ad7e679ee590f4bd763d55280586a8f1bcNicolas Geoffray /// instruction may be. This returns the maximum number of bytes. 14952e724ad7e679ee590f4bd763d55280586a8f1bcNicolas Geoffray /// 15052e724ad7e679ee590f4bd763d55280586a8f1bcNicolas Geoffray virtual unsigned GetInstSizeInBytes(const MachineInstr *MI) const; 151f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman}; 152f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman 153f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman} 154f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman 155f2ccb77ee9d8ab35866dae111fa36929689c7511Misha Brukman#endif 156