1 //=====-- NVPTXSubtarget.h - Define Subtarget for the NVPTX ---*- C++ -*--====// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file declares the NVPTX specific subclass of TargetSubtarget. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef NVPTXSUBTARGET_H 15 #define NVPTXSUBTARGET_H 16 17 #include "NVPTX.h" 18 #include "llvm/Target/TargetSubtargetInfo.h" 19 20 #define GET_SUBTARGETINFO_HEADER 21 #include "NVPTXGenSubtargetInfo.inc" 22 23 #include <string> 24 25 namespace llvm { 26 27 class NVPTXSubtarget : public NVPTXGenSubtargetInfo { 28 29 std::string TargetName; 30 NVPTX::DrvInterface drvInterface; 31 bool Is64Bit; 32 33 // PTX version x.y is represented as 10*x+y, e.g. 3.1 == 31 34 unsigned PTXVersion; 35 36 // SM version x.y is represented as 10*x+y, e.g. 3.1 == 31 37 unsigned int SmVersion; 38 39 public: 40 /// This constructor initializes the data members to match that 41 /// of the specified module. 42 /// 43 NVPTXSubtarget(const std::string &TT, const std::string &CPU, 44 const std::string &FS, bool is64Bit); 45 46 bool hasBrkPt() const { return SmVersion >= 11; } 47 bool hasAtomRedG32() const { return SmVersion >= 11; } 48 bool hasAtomRedS32() const { return SmVersion >= 12; } 49 bool hasAtomRedG64() const { return SmVersion >= 12; } 50 bool hasAtomRedS64() const { return SmVersion >= 20; } 51 bool hasAtomRedGen32() const { return SmVersion >= 20; } 52 bool hasAtomRedGen64() const { return SmVersion >= 20; } 53 bool hasAtomAddF32() const { return SmVersion >= 20; } 54 bool hasVote() const { return SmVersion >= 12; } 55 bool hasDouble() const { return SmVersion >= 13; } 56 bool reqPTX20() const { return SmVersion >= 20; } 57 bool hasF32FTZ() const { return SmVersion >= 20; } 58 bool hasFMAF32() const { return SmVersion >= 20; } 59 bool hasFMAF64() const { return SmVersion >= 13; } 60 bool hasLDG() const { return SmVersion >= 32; } 61 bool hasLDU() const { return SmVersion >= 20; } 62 bool hasGenericLdSt() const { return SmVersion >= 20; } 63 inline bool hasHWROT32() const { return false; } 64 inline bool hasSWROT32() const { return true; } 65 inline bool hasROT32() const { return hasHWROT32() || hasSWROT32(); } 66 inline bool hasROT64() const { return SmVersion >= 20; } 67 68 bool is64Bit() const { return Is64Bit; } 69 70 unsigned int getSmVersion() const { return SmVersion; } 71 NVPTX::DrvInterface getDrvInterface() const { return drvInterface; } 72 std::string getTargetName() const { return TargetName; } 73 74 unsigned getPTXVersion() const { return PTXVersion; } 75 76 void ParseSubtargetFeatures(StringRef CPU, StringRef FS); 77 78 std::string getDataLayout() const { 79 const char *p; 80 if (is64Bit()) 81 p = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-" 82 "f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-" 83 "n16:32:64"; 84 else 85 p = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-" 86 "f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-" 87 "n16:32:64"; 88 89 return std::string(p); 90 } 91 92 }; 93 94 } // End llvm namespace 95 96 #endif // NVPTXSUBTARGET_H 97
