-//===- Mips.td - Describe the Mips Target Machine ---------------*- C++ -*-===//
+//===-- Mips.td - Describe the Mips Target Machine ---------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// Target-independent interfaces
//===----------------------------------------------------------------------===//
-include "../Target.td"
+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
include "MipsInstrInfo.td"
include "MipsCallingConv.td"
-def MipsInstrInfo : InstrInfo {
- let TSFlagsFields = [];
- let TSFlagsShifts = [];
-}
+def MipsInstrInfo : InstrInfo;
//===----------------------------------------------------------------------===//
// Mips Subtarget features //
//===----------------------------------------------------------------------===//
-def FeatureGP64Bit : SubtargetFeature<"gp64", "IsGP64bit", "true",
+def FeatureGP64Bit : SubtargetFeature<"gp64", "IsGP64bit", "true",
"General Purpose Registers are 64-bit wide.">;
-def FeatureFP64Bit : SubtargetFeature<"fp64", "IsFP64bit", "true",
+def FeatureFP64Bit : SubtargetFeature<"fp64", "IsFP64bit", "true",
"Support 64-bit FP registers.">;
-def FeatureSingleFloat : SubtargetFeature<"single-float", "IsSingleFloat",
+def FeatureFPXX : SubtargetFeature<"fpxx", "IsFPXX", "true",
+ "Support for FPXX.">;
+def FeatureNaN2008 : SubtargetFeature<"nan2008", "IsNaN2008bit", "true",
+ "IEEE 754-2008 NaN encoding.">;
+def FeatureSingleFloat : SubtargetFeature<"single-float", "IsSingleFloat",
"true", "Only supports single precision float">;
-def FeatureAllegrexVFPU : SubtargetFeature<"allegrex-vfpu", "HasAllegrexVFPU",
- "true", "Enable Allegrex VFPU instructions.">;
-def FeatureMips2 : SubtargetFeature<"mips2", "MipsArchVersion", "Mips2",
- "Mips2 ISA Support">;
-def FeatureO32 : SubtargetFeature<"o32", "MipsABI", "O32",
+def FeatureO32 : SubtargetFeature<"o32", "MipsABI", "O32",
"Enable o32 ABI">;
-def FeatureEABI : SubtargetFeature<"eabi", "MipsABI", "EABI",
+def FeatureN32 : SubtargetFeature<"n32", "MipsABI", "N32",
+ "Enable n32 ABI">;
+def FeatureN64 : SubtargetFeature<"n64", "MipsABI", "N64",
+ "Enable n64 ABI">;
+def FeatureEABI : SubtargetFeature<"eabi", "MipsABI", "EABI",
"Enable eabi ABI">;
+def FeatureNoOddSPReg : SubtargetFeature<"nooddspreg", "UseOddSPReg", "false",
+ "Disable odd numbered single-precision "
+ "registers">;
+def FeatureVFPU : SubtargetFeature<"vfpu", "HasVFPU",
+ "true", "Enable vector FPU 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",
+ [FeatureMips2, FeatureMips3_32,
+ FeatureMips4_32]>;
+def FeatureMips32r2 : SubtargetFeature<"mips32r2", "MipsArchVersion",
+ "Mips32r2", "Mips32r2 ISA Support",
+ [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",
+ [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">;
+
+def FeatureDSP : SubtargetFeature<"dsp", "HasDSP", "true", "Mips DSP ASE">;
+def FeatureDSPR2 : SubtargetFeature<"dspr2", "HasDSPR2", "true",
+ "Mips DSP-R2 ASE", [FeatureDSP]>;
+
+def FeatureMSA : SubtargetFeature<"msa", "HasMSA", "true", "Mips MSA ASE">;
+
+def FeatureMicroMips : SubtargetFeature<"micromips", "InMicroMipsMode", "true",
+ "microMips mode">;
+
+def FeatureCnMips : SubtargetFeature<"cnmips", "HasCnMips",
+ "true", "Octeon cnMIPS Support",
+ [FeatureMips64r2]>;
//===----------------------------------------------------------------------===//
// Mips processors supported.
class Proc<string Name, list<SubtargetFeature> Features>
: Processor<Name, MipsGenericItineraries, Features>;
-def : Proc<"mips1", []>;
-def : Proc<"r2000", []>;
-def : Proc<"r3000", []>;
+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<"mips2", [FeatureMips2]>;
-def : Proc<"r6000", [FeatureMips2]>;
+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]>;
-// Allegrex is a 32bit subset of r4000, both for interger and fp registers,
-// but much more similar to Mips2 than Mips3.
-def : Proc<"allegrex", [FeatureMips2, FeatureSingleFloat, FeatureAllegrexVFPU,
- FeatureEABI]>;
+def MipsAsmParser : AsmParser {
+ let ShouldEmitMatchRegisterName = 0;
+ let MnemonicContainsDot = 1;
+}
+
+def MipsAsmParserVariant : AsmParserVariant {
+ int Variant = 0;
+
+ // Recognize hard coded registers.
+ string RegisterPrefix = "$";
+}
def Mips : Target {
let InstructionSet = MipsInstrInfo;
+ let AssemblyParsers = [MipsAsmParser];
+ let AssemblyParserVariants = [MipsAsmParserVariant];
}
projects / oota-llvm.git / blobdiff