| //===- 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">; |
| |
| def FeaturePTX22 : SubtargetFeature<"ptx22", "PTXVersion", "PTX_VERSION_2_2", |
| "Use PTX Language Version 2.2">; |
| |
| def FeaturePTX23 : SubtargetFeature<"ptx23", "PTXVersion", "PTX_VERSION_2_3", |
| "Use PTX Language Version 2.3">; |
| |
| //===- PTX Target ---------------------------------------------------------===// |
| |
| def FeatureSM10 : SubtargetFeature<"sm10", "PTXTarget", "PTX_SM_1_0", |
| "Use Shader Model 1.0">; |
| def FeatureSM11 : SubtargetFeature<"sm11", "PTXTarget", "PTX_SM_1_1", |
| "Use Shader Model 1.1">; |
| def FeatureSM12 : SubtargetFeature<"sm12", "PTXTarget", "PTX_SM_1_2", |
| "Use Shader Model 1.2">; |
| def FeatureSM13 : SubtargetFeature<"sm13", "PTXTarget", "PTX_SM_1_3", |
| "Use Shader Model 1.3">; |
| def FeatureSM20 : SubtargetFeature<"sm20", "PTXTarget", "PTX_SM_2_0", |
| "Use Shader Model 2.0", [FeatureDouble]>; |
| def FeatureSM21 : SubtargetFeature<"sm21", "PTXTarget", "PTX_SM_2_1", |
| "Use Shader Model 2.1", [FeatureDouble]>; |
| def FeatureSM22 : SubtargetFeature<"sm22", "PTXTarget", "PTX_SM_2_2", |
| "Use Shader Model 2.2", [FeatureDouble]>; |
| def FeatureSM23 : SubtargetFeature<"sm23", "PTXTarget", "PTX_SM_2_3", |
| "Use Shader Model 2.3", [FeatureDouble]>; |
| |
| def FeatureCOMPUTE10 : SubtargetFeature<"compute10", "PTXTarget", |
| "PTX_COMPUTE_1_0", |
| "Use Compute Compatibility 1.0">; |
| def FeatureCOMPUTE11 : SubtargetFeature<"compute11", "PTXTarget", |
| "PTX_COMPUTE_1_1", |
| "Use Compute Compatibility 1.1">; |
| def FeatureCOMPUTE12 : SubtargetFeature<"compute12", "PTXTarget", |
| "PTX_COMPUTE_1_2", |
| "Use Compute Compatibility 1.2">; |
| def FeatureCOMPUTE13 : SubtargetFeature<"compute13", "PTXTarget", |
| "PTX_COMPUTE_1_3", |
| "Use Compute Compatibility 1.3">; |
| def FeatureCOMPUTE20 : SubtargetFeature<"compute20", "PTXTarget", |
| "PTX_COMPUTE_2_0", |
| "Use Compute Compatibility 2.0", |
| [FeatureDouble]>; |
| |
| //===----------------------------------------------------------------------===// |
| // PTX supported processors |
| //===----------------------------------------------------------------------===// |
| |
| class Proc<string Name, list<SubtargetFeature> Features> |
| : Processor<Name, NoItineraries, Features>; |
| |
| def : Proc<"generic", []>; |
| |
| // Processor definitions for compute/shader models |
| def : Proc<"compute_10", [FeatureCOMPUTE10]>; |
| def : Proc<"compute_11", [FeatureCOMPUTE11]>; |
| def : Proc<"compute_12", [FeatureCOMPUTE12]>; |
| def : Proc<"compute_13", [FeatureCOMPUTE13]>; |
| def : Proc<"compute_20", [FeatureCOMPUTE20]>; |
| def : Proc<"sm_10", [FeatureSM10]>; |
| def : Proc<"sm_11", [FeatureSM11]>; |
| def : Proc<"sm_12", [FeatureSM12]>; |
| def : Proc<"sm_13", [FeatureSM13]>; |
| def : Proc<"sm_20", [FeatureSM20]>; |
| def : Proc<"sm_21", [FeatureSM21]>; |
| def : Proc<"sm_22", [FeatureSM22]>; |
| def : Proc<"sm_23", [FeatureSM23]>; |
| |
| // Processor definitions for common GPU architectures |
| def : Proc<"g80", [FeatureSM10]>; |
| def : Proc<"gt200", [FeatureSM13]>; |
| def : Proc<"gf100", [FeatureSM20, FeatureDouble]>; |
| def : Proc<"fermi", [FeatureSM20, FeatureDouble]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Register File Description |
| //===----------------------------------------------------------------------===// |
| |
| include "PTXRegisterInfo.td" |
| |
| //===----------------------------------------------------------------------===// |
| // Instruction Descriptions |
| //===----------------------------------------------------------------------===// |
| |
| include "PTXInstrInfo.td" |
| |
| def PTXInstrInfo : InstrInfo; |
| |
| //===----------------------------------------------------------------------===// |
| // Assembly printer |
| //===----------------------------------------------------------------------===// |
| // PTX uses the MC printer for asm output, so make sure the TableGen |
| // AsmWriter bits get associated with the correct class. |
| def PTXAsmWriter : AsmWriter { |
| string AsmWriterClassName = "InstPrinter"; |
| bit isMCAsmWriter = 1; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Target Declaration |
| //===----------------------------------------------------------------------===// |
| |
| def PTX : Target { |
| let InstructionSet = PTXInstrInfo; |
| let AssemblyWriters = [PTXAsmWriter]; |
| } |
