//===-- PPC.td - Describe the PowerPC Target Machine -------*- tablegen -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This is the top level entry point for the PowerPC target. // //===----------------------------------------------------------------------===// // Get the target-independent interfaces which we are implementing. // include "llvm/Target/Target.td" //===----------------------------------------------------------------------===// // PowerPC Subtarget features. // //===----------------------------------------------------------------------===// // CPU Directives // //===----------------------------------------------------------------------===// def Directive440 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_440", "">; def Directive601 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_601", "">; def Directive602 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_602", "">; def Directive603 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_603", "">; def Directive604 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_603", "">; def Directive620 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_603", "">; def Directive7400: SubtargetFeature<"", "CPUDirective", "PPC::DIR_7400", "">; def Directive750 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_750", "">; def Directive970 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_970", "">; def Directive32 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_32", "">; def Directive64 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_64", "">; def DirectiveA2 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_A2", "">; def DirectiveE500 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_E500", "">; def DirectiveE500mc : SubtargetFeature<"", "CPUDirective", "PPC::DIR_E500mc", "">; def DirectiveE5500 : SubtargetFeature<"", "CPUDirective", "PPC::DIR_E5500", "">; def DirectivePwr3: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR3", "">; def DirectivePwr4: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR4", "">; def DirectivePwr5: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR5", "">; def DirectivePwr5x : SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR5X", "">; def DirectivePwr6: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR6", "">; def DirectivePwr6x : SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR6X", "">; def DirectivePwr7: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR7", "">; def DirectivePwr8: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR8", "">; def DirectivePwr9: SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR9", "">; def DirectivePwrFuture : SubtargetFeature<"", "CPUDirective", "PPC::DIR_PWR_FUTURE", "">; def Feature64Bit : SubtargetFeature<"64bit","Has64BitSupport", "true", "Enable 64-bit instructions">; def FeatureHardFloat : SubtargetFeature<"hard-float", "HasHardFloat", "true", "Enable floating-point instructions">; def Feature64BitRegs : SubtargetFeature<"64bitregs","Use64BitRegs", "true", "Enable 64-bit registers usage for ppc32 [beta]">; def FeatureCRBits : SubtargetFeature<"crbits", "UseCRBits", "true", "Use condition-register bits individually">; def FeatureFPU : SubtargetFeature<"fpu","HasFPU","true", "Enable classic FPU instructions", [FeatureHardFloat]>; def FeatureAltivec : SubtargetFeature<"altivec","HasAltivec", "true", "Enable Altivec instructions", [FeatureFPU]>; def FeatureSPE : SubtargetFeature<"spe","HasSPE", "true", "Enable SPE instructions", [FeatureHardFloat]>; def FeatureMFOCRF : SubtargetFeature<"mfocrf","HasMFOCRF", "true", "Enable the MFOCRF instruction">; def FeatureFSqrt : SubtargetFeature<"fsqrt","HasFSQRT", "true", "Enable the fsqrt instruction", [FeatureFPU]>; def FeatureFCPSGN : SubtargetFeature<"fcpsgn", "HasFCPSGN", "true", "Enable the fcpsgn instruction", [FeatureFPU]>; def FeatureFRE : SubtargetFeature<"fre", "HasFRE", "true", "Enable the fre instruction", [FeatureFPU]>; def FeatureFRES : SubtargetFeature<"fres", "HasFRES", "true", "Enable the fres instruction", [FeatureFPU]>; def FeatureFRSQRTE : SubtargetFeature<"frsqrte", "HasFRSQRTE", "true", "Enable the frsqrte instruction", [FeatureFPU]>; def FeatureFRSQRTES : SubtargetFeature<"frsqrtes", "HasFRSQRTES", "true", "Enable the frsqrtes instruction", [FeatureFPU]>; def FeatureRecipPrec : SubtargetFeature<"recipprec", "HasRecipPrec", "true", "Assume higher precision reciprocal estimates">; def FeatureSTFIWX : SubtargetFeature<"stfiwx","HasSTFIWX", "true", "Enable the stfiwx instruction", [FeatureFPU]>; def FeatureLFIWAX : SubtargetFeature<"lfiwax","HasLFIWAX", "true", "Enable the lfiwax instruction", [FeatureFPU]>; def FeatureFPRND : SubtargetFeature<"fprnd", "HasFPRND", "true", "Enable the fri[mnpz] instructions", [FeatureFPU]>; def FeatureFPCVT : SubtargetFeature<"fpcvt", "HasFPCVT", "true", "Enable fc[ft]* (unsigned and single-precision) and lfiwzx instructions", [FeatureFPU]>; def FeatureISEL : SubtargetFeature<"isel","HasISEL", "true", "Enable the isel instruction">; def FeatureBPERMD : SubtargetFeature<"bpermd", "HasBPERMD", "true", "Enable the bpermd instruction">; def FeatureExtDiv : SubtargetFeature<"extdiv", "HasExtDiv", "true", "Enable extended divide instructions">; def FeatureLDBRX : SubtargetFeature<"ldbrx","HasLDBRX", "true", "Enable the ldbrx instruction">; def FeatureCMPB : SubtargetFeature<"cmpb", "HasCMPB", "true", "Enable the cmpb instruction">; def FeatureICBT : SubtargetFeature<"icbt","HasICBT", "true", "Enable icbt instruction">; def FeatureBookE : SubtargetFeature<"booke", "IsBookE", "true", "Enable Book E instructions", [FeatureICBT]>; def FeatureMSYNC : SubtargetFeature<"msync", "HasOnlyMSYNC", "true", "Has only the msync instruction instead of sync", [FeatureBookE]>; def FeatureE500 : SubtargetFeature<"e500", "IsE500", "true", "Enable E500/E500mc instructions">; def FeatureSecurePlt : SubtargetFeature<"secure-plt","SecurePlt", "true", "Enable secure plt mode">; def FeaturePPC4xx : SubtargetFeature<"ppc4xx", "IsPPC4xx", "true", "Enable PPC 4xx instructions">; def FeaturePPC6xx : SubtargetFeature<"ppc6xx", "IsPPC6xx", "true", "Enable PPC 6xx instructions">; def FeatureQPX : SubtargetFeature<"qpx","HasQPX", "true", "Enable QPX instructions", [FeatureFPU]>; def FeatureVSX : SubtargetFeature<"vsx","HasVSX", "true", "Enable VSX instructions", [FeatureAltivec]>; def FeatureTwoConstNR : SubtargetFeature<"two-const-nr", "NeedsTwoConstNR", "true", "Requires two constant Newton-Raphson computation">; def FeatureP8Altivec : SubtargetFeature<"power8-altivec", "HasP8Altivec", "true", "Enable POWER8 Altivec instructions", [FeatureAltivec]>; def FeatureP8Crypto : SubtargetFeature<"crypto", "HasP8Crypto", "true", "Enable POWER8 Crypto instructions", [FeatureP8Altivec]>; def FeatureP8Vector : SubtargetFeature<"power8-vector", "HasP8Vector", "true", "Enable POWER8 vector instructions", [FeatureVSX, FeatureP8Altivec]>; def FeatureDirectMove : SubtargetFeature<"direct-move", "HasDirectMove", "true", "Enable Power8 direct move instructions", [FeatureVSX]>; def FeaturePartwordAtomic : SubtargetFeature<"partword-atomics", "HasPartwordAtomics", "true", "Enable l[bh]arx and st[bh]cx.">; def FeatureInvariantFunctionDescriptors : SubtargetFeature<"invariant-function-descriptors", "HasInvariantFunctionDescriptors", "true", "Assume function descriptors are invariant">; def FeatureLongCall : SubtargetFeature<"longcall", "UseLongCalls", "true", "Always use indirect calls">; def FeatureHTM : SubtargetFeature<"htm", "HasHTM", "true", "Enable Hardware Transactional Memory instructions">; def FeatureMFTB : SubtargetFeature<"", "FeatureMFTB", "true", "Implement mftb using the mfspr instruction">; def FeaturePPCPreRASched: SubtargetFeature<"ppc-prera-sched", "UsePPCPreRASchedStrategy", "true", "Use PowerPC pre-RA scheduling strategy">; def FeaturePPCPostRASched: SubtargetFeature<"ppc-postra-sched", "UsePPCPostRASchedStrategy", "true", "Use PowerPC post-RA scheduling strategy">; def FeatureFloat128 : SubtargetFeature<"float128", "HasFloat128", "true", "Enable the __float128 data type for IEEE-754R Binary128.", [FeatureVSX]>; def FeaturePOPCNTD : SubtargetFeature<"popcntd","HasPOPCNTD", "POPCNTD_Fast", "Enable the popcnt[dw] instructions">; // Note that for the a2/a2q processor models we should not use popcnt[dw] by // default. These processors do support the instructions, but they're // microcoded, and the software emulation is about twice as fast. def FeatureSlowPOPCNTD : SubtargetFeature<"slow-popcntd","HasPOPCNTD", "POPCNTD_Slow", "Has slow popcnt[dw] instructions">; def DeprecatedDST : SubtargetFeature<"", "DeprecatedDST", "true", "Treat vector data stream cache control instructions as deprecated">; def FeatureISA3_0 : SubtargetFeature<"isa-v30-instructions", "IsISA3_0", "true", "Enable instructions added in ISA 3.0.">; def FeatureP9Altivec : SubtargetFeature<"power9-altivec", "HasP9Altivec", "true", "Enable POWER9 Altivec instructions", [FeatureISA3_0, FeatureP8Altivec]>; def FeatureP9Vector : SubtargetFeature<"power9-vector", "HasP9Vector", "true", "Enable POWER9 vector instructions", [FeatureISA3_0, FeatureP8Vector, FeatureP9Altivec]>; // A separate feature for this even though it is equivalent to P9Vector // because this is a feature of the implementation rather than the architecture // and may go away with future CPU's. def FeatureVectorsUseTwoUnits : SubtargetFeature<"vectors-use-two-units", "VectorsUseTwoUnits", "true", "Vectors use two units">; // Since new processors generally contain a superset of features of those that // came before them, the idea is to make implementations of new processors // less error prone and easier to read. // Namely: // list P8InheritableFeatures = ... // list FutureProcessorAddtionalFeatures = // [ features that Power8 does not support but inheritable ] // list FutureProcessorSpecificFeatures = // [ features that Power8 does not support and not inheritable ] // list FutureProcessorInheritableFeatures = // !listconcat(P8InheritableFeatures, FutureProcessorAddtionalFeatures) // list FutureProcessorFeatures = // !listconcat(FutureProcessorInheritableFeatures, // FutureProcessorSpecificFeatures) // Makes it explicit and obvious what is new in FutureProcesor vs. Power8 as // well as providing a single point of definition if the feature set will be // used elsewhere. def ProcessorFeatures { // Power7 list P7InheritableFeatures = [DirectivePwr7, FeatureAltivec, FeatureVSX, FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt, FeatureFRE, FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX, FeatureFPRND, FeatureFPCVT, FeatureISEL, FeaturePOPCNTD, FeatureCMPB, FeatureLDBRX, Feature64Bit, /* Feature64BitRegs, */ FeatureBPERMD, FeatureExtDiv, FeatureMFTB, DeprecatedDST, FeatureTwoConstNR]; list P7SpecificFeatures = []; list P7Features = !listconcat(P7InheritableFeatures, P7SpecificFeatures); // Power8 list P8AdditionalFeatures = [DirectivePwr8, FeatureP8Altivec, FeatureP8Vector, FeatureP8Crypto, FeatureHTM, FeatureDirectMove, FeatureICBT, FeaturePartwordAtomic]; list P8SpecificFeatures = []; list P8InheritableFeatures = !listconcat(P7InheritableFeatures, P8AdditionalFeatures); list P8Features = !listconcat(P8InheritableFeatures, P8SpecificFeatures); // Power9 list P9AdditionalFeatures = [DirectivePwr9, FeatureP9Altivec, FeatureP9Vector, FeatureISA3_0]; // Some features are unique to Power9 and there is no reason to assume // they will be part of any future CPUs. One example is the narrower // dispatch for vector operations than scalar ones. For the time being, // this list also includes scheduling-related features since we do not have // enough info to create custom scheduling strategies for future CPUs. list P9SpecificFeatures = [FeatureVectorsUseTwoUnits, FeaturePPCPreRASched, FeaturePPCPostRASched]; list P9InheritableFeatures = !listconcat(P8InheritableFeatures, P9AdditionalFeatures); list P9Features = !listconcat(P9InheritableFeatures, P9SpecificFeatures); // Future // For future CPU we assume that all of the existing features from Power 9 // still exist with the exception of those we know are Power 9 specific. list FutureAdditionalFeatures = []; list FutureSpecificFeatures = []; list FutureInheritableFeatures = !listconcat(P9InheritableFeatures, FutureAdditionalFeatures); list FutureFeatures = !listconcat(FutureInheritableFeatures, FutureSpecificFeatures); } // Note: Future features to add when support is extended to more // recent ISA levels: // // DFP p6, p6x, p7 decimal floating-point instructions // POPCNTB p5 through p7 popcntb and related instructions //===----------------------------------------------------------------------===// // Classes used for relation maps. //===----------------------------------------------------------------------===// // RecFormRel - Filter class used to relate non-record-form instructions with // their record-form variants. class RecFormRel; // AltVSXFMARel - Filter class used to relate the primary addend-killing VSX // FMA instruction forms with their corresponding factor-killing forms. class AltVSXFMARel { bit IsVSXFMAAlt = 0; } //===----------------------------------------------------------------------===// // Relation Map Definitions. //===----------------------------------------------------------------------===// def getRecordFormOpcode : InstrMapping { let FilterClass = "RecFormRel"; // Instructions with the same BaseName and Interpretation64Bit values // form a row. let RowFields = ["BaseName", "Interpretation64Bit"]; // Instructions with the same RC value form a column. let ColFields = ["RC"]; // The key column are the non-record-form instructions. let KeyCol = ["0"]; // Value columns RC=1 let ValueCols = [["1"]]; } def getNonRecordFormOpcode : InstrMapping { let FilterClass = "RecFormRel"; // Instructions with the same BaseName and Interpretation64Bit values // form a row. let RowFields = ["BaseName", "Interpretation64Bit"]; // Instructions with the same RC value form a column. let ColFields = ["RC"]; // The key column are the record-form instructions. let KeyCol = ["1"]; // Value columns are RC=0 let ValueCols = [["0"]]; } def getAltVSXFMAOpcode : InstrMapping { let FilterClass = "AltVSXFMARel"; // Instructions with the same BaseName value form a row. let RowFields = ["BaseName"]; // Instructions with the same IsVSXFMAAlt value form a column. let ColFields = ["IsVSXFMAAlt"]; // The key column are the (default) addend-killing instructions. let KeyCol = ["0"]; // Value columns IsVSXFMAAlt=1 let ValueCols = [["1"]]; } //===----------------------------------------------------------------------===// // Register File Description //===----------------------------------------------------------------------===// include "PPCRegisterInfo.td" include "PPCSchedule.td" //===----------------------------------------------------------------------===// // PowerPC processors supported. // def : Processor<"generic", G3Itineraries, [Directive32, FeatureHardFloat, FeatureMFTB]>; def : ProcessorModel<"440", PPC440Model, [Directive440, FeatureISEL, FeatureFRES, FeatureFRSQRTE, FeatureICBT, FeatureBookE, FeatureMSYNC, FeatureMFTB]>; def : ProcessorModel<"450", PPC440Model, [Directive440, FeatureISEL, FeatureFRES, FeatureFRSQRTE, FeatureICBT, FeatureBookE, FeatureMSYNC, FeatureMFTB]>; def : Processor<"601", G3Itineraries, [Directive601, FeatureFPU]>; def : Processor<"602", G3Itineraries, [Directive602, FeatureFPU, FeatureMFTB]>; def : Processor<"603", G3Itineraries, [Directive603, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"603e", G3Itineraries, [Directive603, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"603ev", G3Itineraries, [Directive603, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"604", G3Itineraries, [Directive604, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"604e", G3Itineraries, [Directive604, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"620", G3Itineraries, [Directive620, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"750", G4Itineraries, [Directive750, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"g3", G3Itineraries, [Directive750, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"7400", G4Itineraries, [Directive7400, FeatureAltivec, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"g4", G4Itineraries, [Directive7400, FeatureAltivec, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"7450", G4PlusItineraries, [Directive7400, FeatureAltivec, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : Processor<"g4+", G4PlusItineraries, [Directive7400, FeatureAltivec, FeatureFRES, FeatureFRSQRTE, FeatureMFTB]>; def : ProcessorModel<"970", G5Model, [Directive970, FeatureAltivec, FeatureMFOCRF, FeatureFSqrt, FeatureFRES, FeatureFRSQRTE, FeatureSTFIWX, Feature64Bit /*, Feature64BitRegs */, FeatureMFTB]>; def : ProcessorModel<"g5", G5Model, [Directive970, FeatureAltivec, FeatureMFOCRF, FeatureFSqrt, FeatureSTFIWX, FeatureFRES, FeatureFRSQRTE, Feature64Bit /*, Feature64BitRegs */, FeatureMFTB, DeprecatedDST]>; def : ProcessorModel<"e500", PPCE500Model, [DirectiveE500, FeatureICBT, FeatureBookE, FeatureISEL, FeatureMFTB, FeatureMSYNC, FeatureSPE]>; def : ProcessorModel<"e500mc", PPCE500mcModel, [DirectiveE500mc, FeatureSTFIWX, FeatureICBT, FeatureBookE, FeatureISEL, FeatureMFTB]>; def : ProcessorModel<"e5500", PPCE5500Model, [DirectiveE5500, FeatureMFOCRF, Feature64Bit, FeatureSTFIWX, FeatureICBT, FeatureBookE, FeatureISEL, FeatureMFTB]>; def : ProcessorModel<"a2", PPCA2Model, [DirectiveA2, FeatureICBT, FeatureBookE, FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt, FeatureFRE, FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX, FeatureFPRND, FeatureFPCVT, FeatureISEL, FeatureSlowPOPCNTD, FeatureCMPB, FeatureLDBRX, Feature64Bit /*, Feature64BitRegs */, FeatureMFTB]>; def : ProcessorModel<"a2q", PPCA2Model, [DirectiveA2, FeatureICBT, FeatureBookE, FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt, FeatureFRE, FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX, FeatureFPRND, FeatureFPCVT, FeatureISEL, FeatureSlowPOPCNTD, FeatureCMPB, FeatureLDBRX, Feature64Bit /*, Feature64BitRegs */, FeatureQPX, FeatureMFTB]>; def : ProcessorModel<"pwr3", G5Model, [DirectivePwr3, FeatureAltivec, FeatureFRES, FeatureFRSQRTE, FeatureMFOCRF, FeatureSTFIWX, Feature64Bit]>; def : ProcessorModel<"pwr4", G5Model, [DirectivePwr4, FeatureAltivec, FeatureMFOCRF, FeatureFSqrt, FeatureFRES, FeatureFRSQRTE, FeatureSTFIWX, Feature64Bit, FeatureMFTB]>; def : ProcessorModel<"pwr5", G5Model, [DirectivePwr5, FeatureAltivec, FeatureMFOCRF, FeatureFSqrt, FeatureFRE, FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES, FeatureSTFIWX, Feature64Bit, FeatureMFTB, DeprecatedDST]>; def : ProcessorModel<"pwr5x", G5Model, [DirectivePwr5x, FeatureAltivec, FeatureMFOCRF, FeatureFSqrt, FeatureFRE, FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES, FeatureSTFIWX, FeatureFPRND, Feature64Bit, FeatureMFTB, DeprecatedDST]>; def : ProcessorModel<"pwr6", G5Model, [DirectivePwr6, FeatureAltivec, FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt, FeatureFRE, FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX, FeatureCMPB, FeatureFPRND, Feature64Bit /*, Feature64BitRegs */, FeatureMFTB, DeprecatedDST]>; def : ProcessorModel<"pwr6x", G5Model, [DirectivePwr5x, FeatureAltivec, FeatureMFOCRF, FeatureFCPSGN, FeatureFSqrt, FeatureFRE, FeatureFRES, FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec, FeatureSTFIWX, FeatureLFIWAX, FeatureCMPB, FeatureFPRND, Feature64Bit, FeatureMFTB, DeprecatedDST]>; def : ProcessorModel<"pwr7", P7Model, ProcessorFeatures.P7Features>; def : ProcessorModel<"pwr8", P8Model, ProcessorFeatures.P8Features>; def : ProcessorModel<"pwr9", P9Model, ProcessorFeatures.P9Features>; // No scheduler model for future CPU. def : ProcessorModel<"future", NoSchedModel, ProcessorFeatures.FutureFeatures>; def : Processor<"ppc", G3Itineraries, [Directive32, FeatureHardFloat, FeatureMFTB]>; def : Processor<"ppc32", G3Itineraries, [Directive32, FeatureHardFloat, FeatureMFTB]>; def : ProcessorModel<"ppc64", G5Model, [Directive64, FeatureAltivec, FeatureMFOCRF, FeatureFSqrt, FeatureFRES, FeatureFRSQRTE, FeatureSTFIWX, Feature64Bit /*, Feature64BitRegs */, FeatureMFTB]>; def : ProcessorModel<"ppc64le", P8Model, ProcessorFeatures.P8Features>; //===----------------------------------------------------------------------===// // Calling Conventions //===----------------------------------------------------------------------===// include "PPCCallingConv.td" def PPCInstrInfo : InstrInfo { let isLittleEndianEncoding = 1; // FIXME: Unset this when no longer needed! let decodePositionallyEncodedOperands = 1; let noNamedPositionallyEncodedOperands = 1; } def PPCAsmParser : AsmParser { let ShouldEmitMatchRegisterName = 0; } def PPCAsmParserVariant : AsmParserVariant { int Variant = 0; // We do not use hard coded registers in asm strings. However, some // InstAlias definitions use immediate literals. Set RegisterPrefix // so that those are not misinterpreted as registers. string RegisterPrefix = "%"; string BreakCharacters = "."; } def PPC : Target { // Information about the instructions. let InstructionSet = PPCInstrInfo; let AssemblyParsers = [PPCAsmParser]; let AssemblyParserVariants = [PPCAsmParserVariant]; let AllowRegisterRenaming = 1; } //===----------------------------------------------------------------------===// // Pfm Counters //===----------------------------------------------------------------------===// include "PPCPfmCounters.td"