Remove unused variable.

[oota-llvm.git] / lib / Target / Mips / Mips.td

diff --git a/lib/Target/Mips/Mips.td b/lib/Target/Mips/Mips.td
index 662bc3b85d8572393abc7eefce8162c821de5e1b..b8e3f39256da07d123a975adbe5d4443f7ccfcc0 100644 (file)
--- a/lib/Target/Mips/Mips.td
+++ b/lib/Target/Mips/Mips.td
@@ -1,63 +1,121 @@
-//===- Mips.td - Describe the Mips Target Machine ---------------*- C++ -*-===//
+//===-- Mips.td - Describe the Mips Target Machine ---------*- tablegen -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Bruno Cardoso Lopes and is distributed under the 
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// 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 Mips target.
+//===----------------------------------------------------------------------===//
 
 //===----------------------------------------------------------------------===//
-// Target-independent interfaces which we are implementing
+// Target-independent interfaces
 //===----------------------------------------------------------------------===//
 
-include "../Target.td"
+include "llvm/Target/Target.td"
 
 //===----------------------------------------------------------------------===//
-// Register File Description
+// Register File, Calling Conv, Instruction Descriptions
 //===----------------------------------------------------------------------===//
 
 include "MipsRegisterInfo.td"
+include "MipsSchedule.td"
+include "MipsInstrInfo.td"
+include "MipsCallingConv.td"
+
+def MipsInstrInfo : InstrInfo;
 
 //===----------------------------------------------------------------------===//
-// Subtarget features
+// Mips Subtarget features                                                    //
 //===----------------------------------------------------------------------===//
 
-// TODO: dummy, needed to compile
-def FeatureCIX : SubtargetFeature<"r3000", "isR3000", "true",
-                                  "Enable r3000 extentions">;
+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 FeatureSingleFloat : SubtargetFeature<"single-float", "IsSingleFloat",
+                                "true", "Only supports single precision float">;
+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",
+                                "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 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]>;
 
-//===----------------------------------------------------------------------===//
-// Instruction Description
-//===----------------------------------------------------------------------===//
+def FeatureMips16  : SubtargetFeature<"mips16", "InMips16Mode", "true",
+                                      "Mips16 mode">;
 
-include "MipsInstrInfo.td"
+def FeatureDSP : SubtargetFeature<"dsp", "HasDSP", "true", "Mips DSP ASE">;
+def FeatureDSPR2 : SubtargetFeature<"dspr2", "HasDSPR2", "true",
+                                    "Mips DSP-R2 ASE", [FeatureDSP]>;
 
-def MipsInstrInfo : InstrInfo {
-  // Define how we want to layout our target-specific information field.
-  let TSFlagsFields = [];
-  let TSFlagsShifts = [];
-}
-//===----------------------------------------------------------------------===//
-// Calling Conventions
-//===----------------------------------------------------------------------===//
+def FeatureMSA : SubtargetFeature<"msa", "HasMSA", "true", "Mips MSA ASE">;
 
-include "MipsCallingConv.td"
+def FeatureMicroMips  : SubtargetFeature<"micromips", "InMicroMipsMode", "true",
+                                         "microMips mode">;
 
 //===----------------------------------------------------------------------===//
 // Mips processors supported.
 //===----------------------------------------------------------------------===//
 
 class Proc<string Name, list<SubtargetFeature> Features>
- : Processor<Name, NoItineraries, Features>;
+ : Processor<Name, MipsGenericItineraries, Features>;
 
-def : Proc<"generic", []>;
+def : Proc<"mips32", [FeatureMips32]>;
+def : Proc<"mips32r2", [FeatureMips32r2]>;
+def : Proc<"mips64", [FeatureMips64]>;
+def : Proc<"mips64r2", [FeatureMips64r2]>;
+def : Proc<"mips16", [FeatureMips16]>;
 
-//===----------------------------------------------------------------------===//
-// Declare the target which we are implementing
-//===----------------------------------------------------------------------===//
+def MipsAsmWriter : AsmWriter {
+  string AsmWriterClassName  = "InstPrinter";
+  bit isMCAsmWriter = 1;
+}
+
+def MipsAsmParser : AsmParser {
+  let ShouldEmitMatchRegisterName = 0;
+  let MnemonicContainsDot = 1;
+}
+
+def MipsAsmParserVariant : AsmParserVariant {
+  int Variant = 0;
+
+  // Recognize hard coded registers.
+  string RegisterPrefix = "$";
+}
 
 def Mips : Target {
-  // Pull in Instruction Info:
   let InstructionSet = MipsInstrInfo;
+  let AssemblyParsers = [MipsAsmParser];
+  let AssemblyWriters = [MipsAsmWriter];
+  let AssemblyParserVariants = [MipsAsmParserVariant];
 }