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https://github.com/c64scene-ar/llvm-6502.git
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ec3141b27f
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133158 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
//====-- PTXSubtarget.h - Define Subtarget for the PTX ---------*- C++ -*--===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares the PTX specific subclass of TargetSubtarget.
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//
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//===----------------------------------------------------------------------===//
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#ifndef PTX_SUBTARGET_H
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#define PTX_SUBTARGET_H
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#include "llvm/Target/TargetSubtarget.h"
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namespace llvm {
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class PTXSubtarget : public TargetSubtarget {
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private:
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/**
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* Enumeration of Shader Models supported by the back-end.
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*/
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enum PTXShaderModelEnum {
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PTX_SM_1_0, /*< Shader Model 1.0 */
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PTX_SM_1_3, /*< Shader Model 1.3 */
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PTX_SM_2_0 /*< Shader Model 2.0 */
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};
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/**
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* Enumeration of PTX versions supported by the back-end.
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*
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* Currently, PTX 2.0 is the minimum supported version.
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*/
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enum PTXVersionEnum {
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PTX_VERSION_2_0, /*< PTX Version 2.0 */
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PTX_VERSION_2_1, /*< PTX Version 2.1 */
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PTX_VERSION_2_2, /*< PTX Version 2.2 */
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PTX_VERSION_2_3 /*< PTX Version 2.3 */
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};
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/// Shader Model supported on the target GPU.
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PTXShaderModelEnum PTXShaderModel;
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/// PTX Language Version.
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PTXVersionEnum PTXVersion;
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// The native .f64 type is supported on the hardware.
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bool SupportsDouble;
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// Support the fused-multiply add (FMA) and multiply-add (MAD)
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// instructions
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bool SupportsFMA;
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// Use .u64 instead of .u32 for addresses.
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bool Is64Bit;
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public:
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PTXSubtarget(const std::string &TT, const std::string &FS, bool is64Bit);
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std::string getTargetString() const;
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std::string getPTXVersionString() const;
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bool supportsDouble() const { return SupportsDouble; }
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bool is64Bit() const { return Is64Bit; }
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bool supportsFMA() const { return SupportsFMA; }
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bool supportsSM13() const { return PTXShaderModel >= PTX_SM_1_3; }
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bool supportsSM20() const { return PTXShaderModel >= PTX_SM_2_0; }
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bool supportsPTX21() const { return PTXVersion >= PTX_VERSION_2_1; }
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bool supportsPTX22() const { return PTXVersion >= PTX_VERSION_2_2; }
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bool supportsPTX23() const { return PTXVersion >= PTX_VERSION_2_3; }
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std::string ParseSubtargetFeatures(const std::string &FS,
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const std::string &CPU);
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}; // class PTXSubtarget
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} // namespace llvm
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#endif // PTX_SUBTARGET_H
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