| //===- 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; |
| } |
