Tom Stellard | f98f2ce | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 1 | //===-- AMDGPUSubtarget.cpp - AMDGPU Subtarget Information ----------------===// |
| 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 | /// \file |
| 11 | /// \brief Implements the AMDGPU specific subclass of TargetSubtarget. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #include "AMDGPUSubtarget.h" |
| 16 | |
| 17 | using namespace llvm; |
| 18 | |
| 19 | #define GET_SUBTARGETINFO_ENUM |
| 20 | #define GET_SUBTARGETINFO_TARGET_DESC |
| 21 | #define GET_SUBTARGETINFO_CTOR |
| 22 | #include "AMDGPUGenSubtargetInfo.inc" |
| 23 | |
| 24 | AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) : |
| 25 | AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) { |
| 26 | InstrItins = getInstrItineraryForCPU(CPU); |
| 27 | |
Tom Stellard | f98f2ce | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 28 | // Default card |
| 29 | StringRef GPU = CPU; |
| 30 | Is64bit = false; |
| 31 | DefaultSize[0] = 64; |
| 32 | DefaultSize[1] = 1; |
| 33 | DefaultSize[2] = 1; |
Vincent Lejeune | 631591e | 2013-04-30 00:13:39 +0000 | [diff] [blame] | 34 | HasVertexCache = false; |
Tom Stellard | ce96147 | 2013-06-07 20:28:55 +0000 | [diff] [blame] | 35 | TexVTXClauseSize = 0; |
Tom Stellard | 3ff0abf | 2013-06-07 20:37:48 +0000 | [diff] [blame] | 36 | Gen = AMDGPUSubtarget::R600; |
| 37 | FP64 = false; |
| 38 | CaymanISA = false; |
Tom Stellard | de28bda | 2013-10-10 17:11:12 +0000 | [diff] [blame^] | 39 | EnableIRStructurizer = false; |
Tom Stellard | f98f2ce | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 40 | ParseSubtargetFeatures(GPU, FS); |
| 41 | DevName = GPU; |
Tom Stellard | f98f2ce | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 42 | } |
| 43 | |
Tom Stellard | f98f2ce | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 44 | bool |
| 45 | AMDGPUSubtarget::is64bit() const { |
| 46 | return Is64bit; |
| 47 | } |
| 48 | bool |
Vincent Lejeune | 631591e | 2013-04-30 00:13:39 +0000 | [diff] [blame] | 49 | AMDGPUSubtarget::hasVertexCache() const { |
| 50 | return HasVertexCache; |
| 51 | } |
Vincent Lejeune | dcfcf1d | 2013-05-17 16:49:55 +0000 | [diff] [blame] | 52 | short |
| 53 | AMDGPUSubtarget::getTexVTXClauseSize() const { |
| 54 | return TexVTXClauseSize; |
| 55 | } |
Tom Stellard | 3ff0abf | 2013-06-07 20:37:48 +0000 | [diff] [blame] | 56 | enum AMDGPUSubtarget::Generation |
| 57 | AMDGPUSubtarget::getGeneration() const { |
| 58 | return Gen; |
| 59 | } |
| 60 | bool |
| 61 | AMDGPUSubtarget::hasHWFP64() const { |
| 62 | return FP64; |
| 63 | } |
| 64 | bool |
| 65 | AMDGPUSubtarget::hasCaymanISA() const { |
| 66 | return CaymanISA; |
| 67 | } |
Vincent Lejeune | 631591e | 2013-04-30 00:13:39 +0000 | [diff] [blame] | 68 | bool |
Tom Stellard | de28bda | 2013-10-10 17:11:12 +0000 | [diff] [blame^] | 69 | AMDGPUSubtarget::IsIRStructurizerEnabled() const { |
| 70 | return EnableIRStructurizer; |
| 71 | } |
| 72 | bool |
Tom Stellard | f98f2ce | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 73 | AMDGPUSubtarget::isTargetELF() const { |
| 74 | return false; |
| 75 | } |
| 76 | size_t |
| 77 | AMDGPUSubtarget::getDefaultSize(uint32_t dim) const { |
| 78 | if (dim > 3) { |
| 79 | return 1; |
| 80 | } else { |
| 81 | return DefaultSize[dim]; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | std::string |
| 86 | AMDGPUSubtarget::getDataLayout() const { |
Tom Stellard | 3ff0abf | 2013-06-07 20:37:48 +0000 | [diff] [blame] | 87 | std::string DataLayout = std::string( |
| 88 | "e" |
| 89 | "-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32" |
| 90 | "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128" |
| 91 | "-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-v2048:2048:2048" |
| 92 | "-n32:64" |
| 93 | ); |
| 94 | |
| 95 | if (hasHWFP64()) { |
| 96 | DataLayout.append("-f64:64:64"); |
| 97 | } |
| 98 | |
| 99 | if (is64bit()) { |
| 100 | DataLayout.append("-p:64:64:64"); |
| 101 | } else { |
| 102 | DataLayout.append("-p:32:32:32"); |
| 103 | } |
| 104 | |
Tom Stellard | da25cd3 | 2013-08-26 15:05:36 +0000 | [diff] [blame] | 105 | if (Gen >= AMDGPUSubtarget::SOUTHERN_ISLANDS) { |
| 106 | DataLayout.append("-p3:32:32:32"); |
| 107 | } |
| 108 | |
Tom Stellard | 3ff0abf | 2013-06-07 20:37:48 +0000 | [diff] [blame] | 109 | return DataLayout; |
Tom Stellard | f98f2ce | 2012-12-11 21:25:42 +0000 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | std::string |
| 113 | AMDGPUSubtarget::getDeviceName() const { |
| 114 | return DevName; |
| 115 | } |