-//===- Mips.td - Describe the Mips Target Machine ----------*- tablegen -*-===//
+//===-- Mips.td - Describe the Mips Target Machine ---------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
"Support 64-bit FP registers.">;
def FeatureSingleFloat : SubtargetFeature<"single-float", "IsSingleFloat",
"true", "Only supports single precision float">;
-def FeatureMips1 : SubtargetFeature<"mips1", "MipsArchVersion", "Mips1",
- "Mips1 ISA Support">;
-def FeatureMips2 : SubtargetFeature<"mips2", "MipsArchVersion", "Mips2",
- "Mips2 ISA Support">;
def FeatureO32 : SubtargetFeature<"o32", "MipsABI", "O32",
"Enable o32 ABI">;
+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 FeatureVFPU : SubtargetFeature<"vfpu", "HasVFPU",
+def FeatureVFPU : SubtargetFeature<"vfpu", "HasVFPU",
"true", "Enable vector FPU instructions.">;
-def FeatureSEInReg : SubtargetFeature<"seinreg", "HasSEInReg", "true",
+def FeatureSEInReg : SubtargetFeature<"seinreg", "HasSEInReg", "true",
"Enable 'signext in register' instructions.">;
-def FeatureCondMov : SubtargetFeature<"condmov", "HasCondMov", "true",
+def FeatureCondMov : SubtargetFeature<"condmov", "HasCondMov", "true",
"Enable 'conditional move' instructions.">;
-def FeatureMulDivAdd : SubtargetFeature<"muldivadd", "HasMulDivAdd", "true",
- "Enable 'multiply add/sub' instructions.">;
-def FeatureMinMax : SubtargetFeature<"minmax", "HasMinMax", "true",
- "Enable 'min/max' 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 FeatureMips32 : SubtargetFeature<"mips32", "MipsArchVersion", "Mips32",
+ "Mips32 ISA Support",
+ [FeatureCondMov, FeatureBitCount]>;
+def FeatureMips32r2 : SubtargetFeature<"mips32r2", "MipsArchVersion",
+ "Mips32r2", "Mips32r2 ISA Support",
+ [FeatureMips32, FeatureSEInReg, FeatureSwap,
+ FeatureFPIdx]>;
+def FeatureMips64 : SubtargetFeature<"mips64", "MipsArchVersion",
+ "Mips64", "Mips64 ISA Support",
+ [FeatureGP64Bit, FeatureFP64Bit,
+ FeatureMips32, FeatureFPIdx]>;
+def FeatureMips64r2 : SubtargetFeature<"mips64r2", "MipsArchVersion",
+ "Mips64r2", "Mips64r2 ISA Support",
+ [FeatureMips64, FeatureMips32r2]>;
+
+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">;
//===----------------------------------------------------------------------===//
// Mips processors supported.
class Proc<string Name, list<SubtargetFeature> Features>
: Processor<Name, MipsGenericItineraries, Features>;
-def : Proc<"mips1", [FeatureMips1]>;
-def : Proc<"r2000", [FeatureMips1]>;
-def : Proc<"r3000", [FeatureMips1]>;
+def : Proc<"mips32", [FeatureMips32]>;
+def : Proc<"mips32r2", [FeatureMips32r2]>;
+def : Proc<"mips64", [FeatureMips64]>;
+def : Proc<"mips64r2", [FeatureMips64r2]>;
+def : Proc<"mips16", [FeatureMips16]>;
-def : Proc<"mips2", [FeatureMips2]>;
-def : Proc<"r6000", [FeatureMips2]>;
+def MipsAsmWriter : AsmWriter {
+ string AsmWriterClassName = "InstPrinter";
+ bit isMCAsmWriter = 1;
+}
-// Allegrex is a 32bit subset of r4000, both for interger and fp registers,
-// but much more similar to Mips2 than Mips3. It also contains some of
-// Mips32/Mips32r2 instructions and a custom vector fpu processor.
-def : Proc<"allegrex", [FeatureMips2, FeatureSingleFloat, FeatureEABI,
- FeatureVFPU, FeatureSEInReg, FeatureCondMov, FeatureMulDivAdd,
- FeatureMinMax, FeatureSwap, FeatureBitCount]>;
+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 AssemblyWriters = [MipsAsmWriter];
+ let AssemblyParserVariants = [MipsAsmParserVariant];
}