diff options
Diffstat (limited to 'lib/Target/Mips/Mips.td')
-rw-r--r-- | lib/Target/Mips/Mips.td | 101 |
1 files changed, 83 insertions, 18 deletions
diff --git a/lib/Target/Mips/Mips.td b/lib/Target/Mips/Mips.td index 10a4699..ea16331 100644 --- a/lib/Target/Mips/Mips.td +++ b/lib/Target/Mips/Mips.td @@ -15,6 +15,33 @@ include "llvm/Target/Target.td" +// The overall idea of the PredicateControl class is to chop the Predicates list +// into subsets that are usually overridden independently. This allows +// subclasses to partially override the predicates of their superclasses without +// having to re-add all the existing predicates. +class PredicateControl { + // Predicates for the encoding scheme in use such as HasStdEnc + list<Predicate> EncodingPredicates = []; + // Predicates for the GPR size such as IsGP64bit + list<Predicate> GPRPredicates = []; + // Predicates for the FGR size and layout such as IsFP64bit + list<Predicate> FGRPredicates = []; + // Predicates for the instruction group membership such as ISA's and ASE's + list<Predicate> InsnPredicates = []; + // Predicates for anything else + list<Predicate> AdditionalPredicates = []; + list<Predicate> Predicates = !listconcat(EncodingPredicates, + GPRPredicates, + FGRPredicates, + InsnPredicates, + AdditionalPredicates); +} + +// Like Requires<> but for the AdditionalPredicates list +class AdditionalRequires<list<Predicate> preds> { + list<Predicate> AdditionalPredicates = preds; +} + //===----------------------------------------------------------------------===// // Register File, Calling Conv, Instruction Descriptions //===----------------------------------------------------------------------===// @@ -34,6 +61,8 @@ def FeatureGP64Bit : SubtargetFeature<"gp64", "IsGP64bit", "true", "General Purpose Registers are 64-bit wide.">; def FeatureFP64Bit : SubtargetFeature<"fp64", "IsFP64bit", "true", "Support 64-bit FP registers.">; +def FeatureNaN2008 : SubtargetFeature<"nan2008", "IsNaN2008bit", "true", + "IEEE 754-2008 NaN encoding.">; def FeatureSingleFloat : SubtargetFeature<"single-float", "IsSingleFloat", "true", "Only supports single precision float">; def FeatureO32 : SubtargetFeature<"o32", "MipsABI", "O32", @@ -46,33 +75,62 @@ def FeatureEABI : SubtargetFeature<"eabi", "MipsABI", "EABI", "Enable eabi ABI">; def FeatureVFPU : SubtargetFeature<"vfpu", "HasVFPU", "true", "Enable vector FPU instructions.">; -def FeatureSEInReg : SubtargetFeature<"seinreg", "HasSEInReg", "true", - "Enable 'signext in register' instructions.">; -def FeatureCondMov : SubtargetFeature<"condmov", "HasCondMov", "true", - "Enable 'conditional move' instructions.">; -def FeatureSwap : SubtargetFeature<"swap", "HasSwap", "true", - "Enable 'byte/half swap' instructions.">; -def FeatureBitCount : SubtargetFeature<"bitcount", "HasBitCount", "true", - "Enable 'count leading bits' instructions.">; -def FeatureFPIdx : SubtargetFeature<"FPIdx", "HasFPIdx", "true", - "Enable 'FP indexed load/store' instructions.">; +def FeatureMips1 : SubtargetFeature<"mips1", "MipsArchVersion", "Mips1", + "Mips I ISA Support [highly experimental]">; +def FeatureMips2 : SubtargetFeature<"mips2", "MipsArchVersion", "Mips2", + "Mips II ISA Support [highly experimental]", + [FeatureMips1]>; +def FeatureMips3_32 : SubtargetFeature<"mips3_32", "HasMips3_32", "true", + "Subset of MIPS-III that is also in MIPS32 " + "[highly experimental]">; +def FeatureMips3_32r2 : SubtargetFeature<"mips3_32r2", "HasMips3_32r2", "true", + "Subset of MIPS-III that is also in MIPS32r2 " + "[highly experimental]">; +def FeatureMips3 : SubtargetFeature<"mips3", "MipsArchVersion", "Mips3", + "MIPS III ISA Support [highly experimental]", + [FeatureMips2, FeatureMips3_32, + FeatureMips3_32r2, FeatureGP64Bit, + FeatureFP64Bit]>; +def FeatureMips4_32 : SubtargetFeature<"mips4_32", "HasMips4_32", "true", + "Subset of MIPS-IV that is also in MIPS32 " + "[highly experimental]">; +def FeatureMips4_32r2 : SubtargetFeature<"mips4_32r2", "HasMips4_32r2", "true", + "Subset of MIPS-IV that is also in MIPS32r2 " + "[highly experimental]">; +def FeatureMips4 : SubtargetFeature<"mips4", "MipsArchVersion", + "Mips4", "MIPS IV ISA Support", + [FeatureMips3, FeatureMips4_32, + FeatureMips4_32r2]>; +def FeatureMips5_32r2 : SubtargetFeature<"mips5_32r2", "HasMips5_32r2", "true", + "Subset of MIPS-V that is also in MIPS32r2 " + "[highly experimental]">; +def FeatureMips5 : SubtargetFeature<"mips5", "MipsArchVersion", "Mips5", + "MIPS V ISA Support [highly experimental]", + [FeatureMips4, FeatureMips5_32r2]>; def FeatureMips32 : SubtargetFeature<"mips32", "MipsArchVersion", "Mips32", "Mips32 ISA Support", - [FeatureCondMov, FeatureBitCount]>; + [FeatureMips2, FeatureMips3_32, + FeatureMips4_32]>; def FeatureMips32r2 : SubtargetFeature<"mips32r2", "MipsArchVersion", "Mips32r2", "Mips32r2 ISA Support", - [FeatureMips32, FeatureSEInReg, FeatureSwap, - FeatureFPIdx]>; -def FeatureMips4 : SubtargetFeature<"mips4", "MipsArchVersion", - "Mips4", "MIPS IV ISA Support", - [FeatureGP64Bit, FeatureFP64Bit, - FeatureCondMov]>; + [FeatureMips3_32r2, FeatureMips4_32r2, + FeatureMips5_32r2, FeatureMips32]>; +def FeatureMips32r6 : SubtargetFeature<"mips32r6", "MipsArchVersion", + "Mips32r6", + "Mips32r6 ISA Support [experimental]", + [FeatureMips32r2, FeatureFP64Bit, + FeatureNaN2008]>; def FeatureMips64 : SubtargetFeature<"mips64", "MipsArchVersion", "Mips64", "Mips64 ISA Support", - [FeatureMips4, FeatureMips32, FeatureFPIdx]>; + [FeatureMips5, FeatureMips32]>; def FeatureMips64r2 : SubtargetFeature<"mips64r2", "MipsArchVersion", "Mips64r2", "Mips64r2 ISA Support", [FeatureMips64, FeatureMips32r2]>; +def FeatureMips64r6 : SubtargetFeature<"mips64r6", "MipsArchVersion", + "Mips64r6", + "Mips64r6 ISA Support [experimental]", + [FeatureMips32r6, FeatureMips64r2, + FeatureNaN2008]>; def FeatureMips16 : SubtargetFeature<"mips16", "InMips16Mode", "true", "Mips16 mode">; @@ -97,11 +155,18 @@ def FeatureCnMips : SubtargetFeature<"cnmips", "HasCnMips", class Proc<string Name, list<SubtargetFeature> Features> : Processor<Name, MipsGenericItineraries, Features>; +def : Proc<"mips1", [FeatureMips1, FeatureO32]>; +def : Proc<"mips2", [FeatureMips2, FeatureO32]>; def : Proc<"mips32", [FeatureMips32, FeatureO32]>; def : Proc<"mips32r2", [FeatureMips32r2, FeatureO32]>; +def : Proc<"mips32r6", [FeatureMips32r6, FeatureO32]>; + +def : Proc<"mips3", [FeatureMips3, FeatureN64]>; def : Proc<"mips4", [FeatureMips4, FeatureN64]>; +def : Proc<"mips5", [FeatureMips5, FeatureN64]>; def : Proc<"mips64", [FeatureMips64, FeatureN64]>; def : Proc<"mips64r2", [FeatureMips64r2, FeatureN64]>; +def : Proc<"mips64r6", [FeatureMips64r6, FeatureN64]>; def : Proc<"mips16", [FeatureMips16, FeatureO32]>; def : Proc<"octeon", [FeatureMips64r2, FeatureN64, FeatureCnMips]>; |