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
AMDGPUSubtarget(StringRef TT,StringRef CPU,StringRef FS)24 AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
25 AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) {
26 InstrItins = getInstrItineraryForCPU(CPU);
27
28 memset(CapsOverride, 0, sizeof(*CapsOverride)
29 * AMDGPUDeviceInfo::MaxNumberCapabilities);
30 // Default card
31 StringRef GPU = CPU;
32 Is64bit = false;
33 DefaultSize[0] = 64;
34 DefaultSize[1] = 1;
35 DefaultSize[2] = 1;
36 ParseSubtargetFeatures(GPU, FS);
37 DevName = GPU;
38 Device = AMDGPUDeviceInfo::getDeviceFromName(DevName, this, Is64bit);
39 }
40
~AMDGPUSubtarget()41 AMDGPUSubtarget::~AMDGPUSubtarget() {
42 delete Device;
43 }
44
45 bool
isOverride(AMDGPUDeviceInfo::Caps caps) const46 AMDGPUSubtarget::isOverride(AMDGPUDeviceInfo::Caps caps) const {
47 assert(caps < AMDGPUDeviceInfo::MaxNumberCapabilities &&
48 "Caps index is out of bounds!");
49 return CapsOverride[caps];
50 }
51 bool
is64bit() const52 AMDGPUSubtarget::is64bit() const {
53 return Is64bit;
54 }
55 bool
isTargetELF() const56 AMDGPUSubtarget::isTargetELF() const {
57 return false;
58 }
59 size_t
getDefaultSize(uint32_t dim) const60 AMDGPUSubtarget::getDefaultSize(uint32_t dim) const {
61 if (dim > 3) {
62 return 1;
63 } else {
64 return DefaultSize[dim];
65 }
66 }
67
68 std::string
getDataLayout() const69 AMDGPUSubtarget::getDataLayout() const {
70 if (!Device) {
71 return std::string("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16"
72 "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:32:32"
73 "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64"
74 "-v96:128:128-v128:128:128-v192:256:256-v256:256:256"
75 "-v512:512:512-v1024:1024:1024-v2048:2048:2048-a0:0:64");
76 }
77 return Device->getDataLayout();
78 }
79
80 std::string
getDeviceName() const81 AMDGPUSubtarget::getDeviceName() const {
82 return DevName;
83 }
84 const AMDGPUDevice *
device() const85 AMDGPUSubtarget::device() const {
86 return Device;
87 }
88