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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 SM32 : SubtargetFeature<"sm_32", "SmVersion", "32",
"Target SM 3.2">;
def SM35 : SubtargetFeature<"sm_35", "SmVersion", "35",
"Target SM 3.5">;
def SM37 : SubtargetFeature<"sm_37", "SmVersion", "37",
"Target SM 3.7">;
def SM50 : SubtargetFeature<"sm_50", "SmVersion", "50",
"Target SM 5.0">;
def SM52 : SubtargetFeature<"sm_52", "SmVersion", "52",
"Target SM 5.2">;
def SM53 : SubtargetFeature<"sm_53", "SmVersion", "53",
"Target SM 5.3">;
// PTX Versions
def PTX32 : SubtargetFeature<"ptx32", "PTXVersion", "32",
"Use PTX version 3.2">;
def PTX40 : SubtargetFeature<"ptx40", "PTXVersion", "40",
"Use PTX version 4.0">;
def PTX41 : SubtargetFeature<"ptx41", "PTXVersion", "41",
"Use PTX version 4.1">;
def PTX42 : SubtargetFeature<"ptx42", "PTXVersion", "42",
"Use PTX version 4.2">;
//===----------------------------------------------------------------------===//
// 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_32", [SM32, PTX40]>;
def : Proc<"sm_35", [SM35]>;
def : Proc<"sm_37", [SM37, PTX41]>;
def : Proc<"sm_50", [SM50, PTX40]>;
def : Proc<"sm_52", [SM52, PTX41]>;
def : Proc<"sm_53", [SM53, PTX42]>;
def NVPTXInstrInfo : InstrInfo {
}
def NVPTX : Target {
let InstructionSet = NVPTXInstrInfo;
}
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