llvm-6502/lib/Target/MBlaze/MBlaze.td
2010-10-21 03:57:26 +00:00

95 lines
4.4 KiB
TableGen

//===- MBlaze.td - Describe the MBlaze 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 MBlaze target.
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Target-independent interfaces
//===----------------------------------------------------------------------===//
include "llvm/Target/Target.td"
//===----------------------------------------------------------------------===//
// Register File, Calling Conv, Instruction Descriptions
//===----------------------------------------------------------------------===//
include "MBlazeRegisterInfo.td"
include "MBlazeSchedule.td"
include "MBlazeIntrinsics.td"
include "MBlazeInstrInfo.td"
include "MBlazeCallingConv.td"
def MBlazeInstrInfo : InstrInfo;
//===----------------------------------------------------------------------===//
// Microblaze Subtarget features //
//===----------------------------------------------------------------------===//
def FeaturePipe3 : SubtargetFeature<"pipe3", "HasPipe3", "true",
"Implements 3-stage pipeline">;
def FeatureBarrel : SubtargetFeature<"barrel", "HasBarrel", "true",
"Implements barrel shifter">;
def FeatureDiv : SubtargetFeature<"div", "HasDiv", "true",
"Implements hardware divider">;
def FeatureMul : SubtargetFeature<"mul", "HasMul", "true",
"Implements hardware multiplier">;
def FeatureFSL : SubtargetFeature<"fsl", "HasFSL", "true",
"Implements FSL instructions">;
def FeatureEFSL : SubtargetFeature<"efsl", "HasEFSL", "true",
"Implements extended FSL instructions">;
def FeatureMSRSet : SubtargetFeature<"msrset", "HasMSRSet", "true",
"Implements MSR register set and clear">;
def FeatureException : SubtargetFeature<"exception", "HasException", "true",
"Implements hardware exception support">;
def FeaturePatCmp : SubtargetFeature<"patcmp", "HasPatCmp", "true",
"Implements pattern compare instruction">;
def FeatureFPU : SubtargetFeature<"fpu", "HasFPU", "true",
"Implements floating point unit">;
def FeatureESR : SubtargetFeature<"esr", "HasESR", "true",
"Implements ESR and EAR registers">;
def FeaturePVR : SubtargetFeature<"pvr", "HasPVR", "true",
"Implements processor version register">;
def FeatureMul64 : SubtargetFeature<"mul64", "HasMul64", "true",
"Implements multiplier with 64-bit result">;
def FeatureSqrt : SubtargetFeature<"sqrt", "HasSqrt", "true",
"Implements sqrt and floating point convert">;
def FeatureMMU : SubtargetFeature<"mmu", "HasMMU", "true",
"Implements memory management unit">;
//===----------------------------------------------------------------------===//
// MBlaze processors supported.
//===----------------------------------------------------------------------===//
class Proc<string Name, list<SubtargetFeature> Features>
: Processor<Name, MBlazeGenericItineraries, Features>;
def : Proc<"v400", []>;
def : Proc<"v500", []>;
def : Proc<"v600", []>;
def : Proc<"v700", []>;
def : Proc<"v710", []>;
//===----------------------------------------------------------------------===//
// Instruction Descriptions
//===----------------------------------------------------------------------===//
def MBlazeAsmWriter : AsmWriter {
string AsmWriterClassName = "InstPrinter";
bit isMCAsmWriter = 1;
}
//===----------------------------------------------------------------------===//
// Target Declaration
//===----------------------------------------------------------------------===//
def MBlaze : Target {
let InstructionSet = MBlazeInstrInfo;
let AssemblyWriters = [MBlazeAsmWriter];
}