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//===- NVPTX.td - Describe the NVPTX Target Machine -----------*- tblgen -*-==//
//
// 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 NVPTX target.
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Target-independent interfaces
//===----------------------------------------------------------------------===//
include "llvm/Target/Target.td"
include "NVPTXRegisterInfo.td"
include "NVPTXInstrInfo.td"
//===----------------------------------------------------------------------===//
// Subtarget Features.
// - We use the SM version number instead of explicit feature table.
// - Need at least one feature to avoid generating zero sized array by
// TableGen in NVPTXGenSubtarget.inc.
//===----------------------------------------------------------------------===//
// SM Versions
def SM20 : SubtargetFeature<"sm_20", "SmVersion", "20",
"Target SM 2.0">;
def SM21 : SubtargetFeature<"sm_21", "SmVersion", "21",
"Target SM 2.1">;
def SM30 : SubtargetFeature<"sm_30", "SmVersion", "30",
"Target SM 3.0">;
def SM35 : SubtargetFeature<"sm_35", "SmVersion", "35",
"Target SM 3.5">;
// PTX Versions
def PTX30 : SubtargetFeature<"ptx30", "PTXVersion", "30",
"Use PTX version 3.0">;
def PTX31 : SubtargetFeature<"ptx31", "PTXVersion", "31",
"Use PTX version 3.1">;
//===----------------------------------------------------------------------===//
// NVPTX supported processors.
//===----------------------------------------------------------------------===//
class Proc<string Name, list<SubtargetFeature> Features>
: Processor<Name, NoItineraries, Features>;
def : Proc<"sm_20", [SM20]>;
def : Proc<"sm_21", [SM21]>;
def : Proc<"sm_30", [SM30]>;
def : Proc<"sm_35", [SM35]>;
def NVPTXInstrInfo : InstrInfo {
}
def NVPTX : Target {
let InstructionSet = NVPTXInstrInfo;
}
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