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//===-- RISCV.td - Describe the RISCV Target Machine -------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
include "llvm/Target/Target.td"
//===----------------------------------------------------------------------===//
// RISC-V subtarget features and instruction predicates.
//===----------------------------------------------------------------------===//
def Feature64Bit : SubtargetFeature<"64bit", "HasRV64", "true",
"Implements RV64">;
def RV64 : HwMode<"+64bit">;
def RV32 : HwMode<"-64bit">;
//===----------------------------------------------------------------------===//
// Registers, calling conventions, instruction descriptions.
//===----------------------------------------------------------------------===//
include "RISCVRegisterInfo.td"
include "RISCVCallingConv.td"
include "RISCVInstrInfo.td"
//===----------------------------------------------------------------------===//
// RISC-V processors supported.
//===----------------------------------------------------------------------===//
def : ProcessorModel<"generic-rv32", NoSchedModel, []>;
def : ProcessorModel<"generic-rv64", NoSchedModel, [Feature64Bit]>;
//===----------------------------------------------------------------------===//
// Define the RISC-V target.
//===----------------------------------------------------------------------===//
def RISCVInstrInfo : InstrInfo {
let guessInstructionProperties = 0;
}
def RISCVAsmParser : AsmParser {
let ShouldEmitMatchRegisterAltName = 1;
}
def RISCV : Target {
let InstructionSet = RISCVInstrInfo;
let AssemblyParsers = [RISCVAsmParser];
}
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