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#include <stdio.h>
17
18using namespace llvm;
19
20#define GET_SUBTARGETINFO_ENUM
21#define GET_SUBTARGETINFO_TARGET_DESC
22#define GET_SUBTARGETINFO_CTOR
23#include "AMDGPUGenSubtargetInfo.inc"
24
25AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
26  AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) {
27    InstrItins = getInstrItineraryForCPU(CPU);
28
29  // Default card
30  StringRef GPU = CPU;
31  Is64bit = false;
32  DefaultSize[0] = 64;
33  DefaultSize[1] = 1;
34  DefaultSize[2] = 1;
35  HasVertexCache = false;
36  TexVTXClauseSize = 0;
37  Gen = AMDGPUSubtarget::R600;
38  FP64 = false;
39  CaymanISA = false;
40  ParseSubtargetFeatures(GPU, FS);
41  DevName = GPU;
42}
43
44bool
45AMDGPUSubtarget::is64bit() const  {
46  return Is64bit;
47}
48bool
49AMDGPUSubtarget::hasVertexCache() const {
50  return HasVertexCache;
51}
52short
53AMDGPUSubtarget::getTexVTXClauseSize() const {
54  return TexVTXClauseSize;
55}
56enum AMDGPUSubtarget::Generation
57AMDGPUSubtarget::getGeneration() const {
58  return Gen;
59}
60bool
61AMDGPUSubtarget::hasHWFP64() const {
62  return FP64;
63}
64bool
65AMDGPUSubtarget::hasCaymanISA() const {
66  return CaymanISA;
67}
68bool
69AMDGPUSubtarget::isTargetELF() const {
70  return false;
71}
72size_t
73AMDGPUSubtarget::getDefaultSize(uint32_t dim) const {
74  if (dim > 3) {
75    return 1;
76  } else {
77    return DefaultSize[dim];
78  }
79}
80
81std::string
82AMDGPUSubtarget::getDataLayout() const {
83  std::string DataLayout = std::string(
84   "e"
85   "-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32"
86   "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128"
87   "-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-v2048:2048:2048"
88   "-n32:64"
89  );
90
91  if (hasHWFP64()) {
92    DataLayout.append("-f64:64:64");
93  }
94
95  if (is64bit()) {
96    DataLayout.append("-p:64:64:64");
97  } else {
98    DataLayout.append("-p:32:32:32");
99  }
100
101  return DataLayout;
102}
103
104std::string
105AMDGPUSubtarget::getDeviceName() const {
106  return DevName;
107}
108