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Diffstat (limited to 'capstone/suite/synctools/tablegen/PPC/PPC.td')
-rw-r--r-- | capstone/suite/synctools/tablegen/PPC/PPC.td | 480 |
1 files changed, 480 insertions, 0 deletions
diff --git a/capstone/suite/synctools/tablegen/PPC/PPC.td b/capstone/suite/synctools/tablegen/PPC/PPC.td new file mode 100644 index 000000000..80ad4962a --- /dev/null +++ b/capstone/suite/synctools/tablegen/PPC/PPC.td @@ -0,0 +1,480 @@ +//===-- PPC.td - Describe the PowerPC Target Machine -------*- tablegen -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// 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<"", "DarwinDirective", "PPC::DIR_440", "">; +def Directive601 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_601", "">; +def Directive602 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_602", "">; +def Directive603 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">; +def Directive604 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">; +def Directive620 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_603", "">; +def Directive7400: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_7400", "">; +def Directive750 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_750", "">; +def Directive970 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_970", "">; +def Directive32 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_32", "">; +def Directive64 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_64", "">; +def DirectiveA2 : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_A2", "">; +def DirectiveE500 : SubtargetFeature<"", "DarwinDirective", + "PPC::DIR_E500", "">; +def DirectiveE500mc : SubtargetFeature<"", "DarwinDirective", + "PPC::DIR_E500mc", "">; +def DirectiveE5500 : SubtargetFeature<"", "DarwinDirective", + "PPC::DIR_E5500", "">; +def DirectivePwr3: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR3", "">; +def DirectivePwr4: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR4", "">; +def DirectivePwr5: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR5", "">; +def DirectivePwr5x + : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR5X", "">; +def DirectivePwr6: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR6", "">; +def DirectivePwr6x + : SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR6X", "">; +def DirectivePwr7: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR7", "">; +def DirectivePwr8: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR8", "">; +def DirectivePwr9: SubtargetFeature<"", "DarwinDirective", "PPC::DIR_PWR9", "">; + +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 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 FeatureFusion : SubtargetFeature<"fusion", "HasFusion", "true", + "Target supports add/load integer fusion.">; +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]>; + +// 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<SubtargetFeature> Power8FeatureList = ... +// list<SubtargetFeature> FutureProcessorSpecificFeatureList = +// [ features that Power8 does not support ] +// list<SubtargetFeature> FutureProcessorFeatureList = +// !listconcat(Power8FeatureList, FutureProcessorSpecificFeatureList) + +// 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 { + list<SubtargetFeature> Power7FeatureList = + [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]; + list<SubtargetFeature> Power8SpecificFeatures = + [DirectivePwr8, FeatureP8Altivec, FeatureP8Vector, FeatureP8Crypto, + FeatureHTM, FeatureDirectMove, FeatureICBT, FeaturePartwordAtomic, + FeatureFusion]; + list<SubtargetFeature> Power8FeatureList = + !listconcat(Power7FeatureList, Power8SpecificFeatures); + list<SubtargetFeature> Power9SpecificFeatures = + [DirectivePwr9, FeatureP9Altivec, FeatureP9Vector, FeatureISA3_0]; + list<SubtargetFeature> Power9FeatureList = + !listconcat(Power8FeatureList, Power9SpecificFeatures); +} + +// 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 and Interpretation64Bit values + // form a row. + let RowFields = ["BaseName"]; + // Instructions with the same RC 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]>; +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.Power7FeatureList>; +def : ProcessorModel<"pwr8", P8Model, ProcessorFeatures.Power8FeatureList>; +def : ProcessorModel<"pwr9", P9Model, ProcessorFeatures.Power9FeatureList>; +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.Power8FeatureList>; + +//===----------------------------------------------------------------------===// +// 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; +} |