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annotate lib/Target/R600/AMDGPUSubtarget.cpp @ 0:95c75e76d11b

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children e4204d083e25
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1 //===-- AMDGPUSubtarget.cpp - AMDGPU Subtarget Information ----------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 /// \file
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11 /// \brief Implements the AMDGPU specific subclass of TargetSubtarget.
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12 //
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13 //===----------------------------------------------------------------------===//
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14
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15 #include "AMDGPUSubtarget.h"
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16
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17 using namespace llvm;
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18
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19 #define GET_SUBTARGETINFO_ENUM
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20 #define GET_SUBTARGETINFO_TARGET_DESC
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21 #define GET_SUBTARGETINFO_CTOR
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22 #include "AMDGPUGenSubtargetInfo.inc"
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23
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24 AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
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25 AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) {
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26 InstrItins = getInstrItineraryForCPU(CPU);
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27
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28 // Default card
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29 StringRef GPU = CPU;
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30 Is64bit = false;
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31 DefaultSize[0] = 64;
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32 DefaultSize[1] = 1;
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33 DefaultSize[2] = 1;
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34 HasVertexCache = false;
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35 TexVTXClauseSize = 0;
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36 Gen = AMDGPUSubtarget::R600;
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37 FP64 = false;
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38 CaymanISA = false;
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39 EnableIRStructurizer = true;
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40 EnableIfCvt = true;
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41 ParseSubtargetFeatures(GPU, FS);
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42 DevName = GPU;
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43 }
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44
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45 bool
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46 AMDGPUSubtarget::is64bit() const {
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47 return Is64bit;
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48 }
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49 bool
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50 AMDGPUSubtarget::hasVertexCache() const {
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51 return HasVertexCache;
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52 }
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53 short
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54 AMDGPUSubtarget::getTexVTXClauseSize() const {
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55 return TexVTXClauseSize;
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56 }
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57 enum AMDGPUSubtarget::Generation
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58 AMDGPUSubtarget::getGeneration() const {
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59 return Gen;
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60 }
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61 bool
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62 AMDGPUSubtarget::hasHWFP64() const {
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63 return FP64;
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64 }
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65 bool
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66 AMDGPUSubtarget::hasCaymanISA() const {
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67 return CaymanISA;
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68 }
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69 bool
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70 AMDGPUSubtarget::IsIRStructurizerEnabled() const {
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71 return EnableIRStructurizer;
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72 }
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73 bool
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74 AMDGPUSubtarget::isIfCvtEnabled() const {
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75 return EnableIfCvt;
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76 }
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77 bool
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78 AMDGPUSubtarget::isTargetELF() const {
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79 return false;
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80 }
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81 size_t
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82 AMDGPUSubtarget::getDefaultSize(uint32_t dim) const {
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83 if (dim > 3) {
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84 return 1;
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85 } else {
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86 return DefaultSize[dim];
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87 }
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88 }
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89
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90 std::string
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91 AMDGPUSubtarget::getDataLayout() const {
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92 std::string DataLayout = std::string(
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93 "e"
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94 "-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
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95 "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128"
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96 "-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-v2048:2048:2048"
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97 "-n32:64"
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98 );
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99
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100 if (hasHWFP64()) {
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101 DataLayout.append("-f64:64:64");
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102 }
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103
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104 if (is64bit()) {
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105 DataLayout.append("-p:64:64:64");
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106 } else {
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107 DataLayout.append("-p:32:32:32");
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108 }
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109
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110 if (Gen >= AMDGPUSubtarget::SOUTHERN_ISLANDS) {
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111 DataLayout.append("-p3:32:32:32");
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112 }
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113
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114 return DataLayout;
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115 }
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116
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117 std::string
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118 AMDGPUSubtarget::getDeviceName() const {
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119 return DevName;
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120 }