forked from OSchip/llvm-project
70 lines
2.6 KiB
TableGen
70 lines
2.6 KiB
TableGen
//===- 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">;
|
|
def SM50 : SubtargetFeature<"sm_50", "SmVersion", "50",
|
|
"Target SM 5.0">;
|
|
|
|
// PTX Versions
|
|
def PTX30 : SubtargetFeature<"ptx30", "PTXVersion", "30",
|
|
"Use PTX version 3.0">;
|
|
def PTX31 : SubtargetFeature<"ptx31", "PTXVersion", "31",
|
|
"Use PTX version 3.1">;
|
|
def PTX32 : SubtargetFeature<"ptx32", "PTXVersion", "32",
|
|
"Use PTX version 3.2">;
|
|
def PTX40 : SubtargetFeature<"ptx40", "PTXVersion", "40",
|
|
"Use PTX version 4.0">;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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 : Proc<"sm_50", [SM50]>;
|
|
|
|
|
|
def NVPTXInstrInfo : InstrInfo {
|
|
}
|
|
|
|
def NVPTX : Target {
|
|
let InstructionSet = NVPTXInstrInfo;
|
|
}
|