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//===- PTX.td - Describe the PTX 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 PTX target.
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Target-independent interfaces
//===----------------------------------------------------------------------===//
include "llvm/Target/Target.td"
//===----------------------------------------------------------------------===//
// Subtarget Features.
//===----------------------------------------------------------------------===//
//===- Architectural Features ---------------------------------------------===//
def FeatureDouble : SubtargetFeature<"double", "SupportsDouble", "true",
"Do not demote .f64 to .f32">;
def FeatureNoFMA : SubtargetFeature<"no-fma","SupportsFMA", "false",
"Disable Fused-Multiply Add">;
//===- PTX Version --------------------------------------------------------===//
def FeaturePTX20 : SubtargetFeature<"ptx20", "PTXVersion", "PTX_VERSION_2_0",
"Use PTX Language Version 2.0",
[]>;
def FeaturePTX21 : SubtargetFeature<"ptx21", "PTXVersion", "PTX_VERSION_2_1",
"Use PTX Language Version 2.1",
[FeaturePTX20]>;
def FeaturePTX22 : SubtargetFeature<"ptx22", "PTXVersion", "PTX_VERSION_2_2",
"Use PTX Language Version 2.2",
[FeaturePTX21]>;
def FeaturePTX23 : SubtargetFeature<"ptx23", "PTXVersion", "PTX_VERSION_2_3",
"Use PTX Language Version 2.3",
[FeaturePTX22]>;
//===- PTX Shader Model ---------------------------------------------------===//
def FeatureSM10 : SubtargetFeature<"sm10", "PTXShaderModel", "PTX_SM_1_0",
"Enable Shader Model 1.0 compliance">;
def FeatureSM13 : SubtargetFeature<"sm13", "PTXShaderModel", "PTX_SM_1_3",
"Enable Shader Model 1.3 compliance",
[FeatureSM10, FeatureDouble]>;
def FeatureSM20 : SubtargetFeature<"sm20", "PTXShaderModel", "PTX_SM_2_0",
"Enable Shader Model 2.0 compliance",
[FeatureSM13]>;
//===----------------------------------------------------------------------===//
// PTX supported processors.
//===----------------------------------------------------------------------===//
class Proc<string Name, list<SubtargetFeature> Features>
: Processor<Name, NoItineraries, Features>;
def : Proc<"generic", []>;
//===----------------------------------------------------------------------===//
// Register File Description
//===----------------------------------------------------------------------===//
include "PTXRegisterInfo.td"
//===----------------------------------------------------------------------===//
// Instruction Descriptions
//===----------------------------------------------------------------------===//
include "PTXInstrInfo.td"
def PTXInstrInfo : InstrInfo;
//===----------------------------------------------------------------------===//
// Target Declaration
//===----------------------------------------------------------------------===//
def PTX : Target {
let InstructionSet = PTXInstrInfo;
}
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