1 //===-- AMDGPUSubtarget.cpp - AMDGPU Subtarget Information ----------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief Implements the AMDGPU specific subclass of TargetSubtarget.
13 //===----------------------------------------------------------------------===//
15 #include "AMDGPUSubtarget.h"
19 #define GET_SUBTARGETINFO_ENUM
20 #define GET_SUBTARGETINFO_TARGET_DESC
21 #define GET_SUBTARGETINFO_CTOR
22 #include "AMDGPUGenSubtargetInfo.inc"
24 AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) :
25 AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) {
26 InstrItins = getInstrItineraryForCPU(CPU);
28 memset(CapsOverride, 0, sizeof(*CapsOverride)
29 * AMDGPUDeviceInfo::MaxNumberCapabilities);
36 HasVertexCache = false;
37 ParseSubtargetFeatures(GPU, FS);
39 Device = AMDGPUDeviceInfo::getDeviceFromName(DevName, this, Is64bit);
41 // FIXME: The code in the comment below was the original code. But the
42 // condition is always true, generating a warning when compiled with
43 // gcc. Vincent Lejeune indicated in a mail to llvm-commits 2013-05-23 that he
44 // will look into this. The code 'TexVTXClauseSize = 16' is just a temporary
45 // equivalent replacement, to get rid of the compiler warning.
47 // TexVTXClauseSize = (Device->getGeneration() >= AMDGPUDeviceInfo::HD4XXX)?16:8;
49 TexVTXClauseSize = 16;
52 AMDGPUSubtarget::~AMDGPUSubtarget() {
57 AMDGPUSubtarget::isOverride(AMDGPUDeviceInfo::Caps caps) const {
58 assert(caps < AMDGPUDeviceInfo::MaxNumberCapabilities &&
59 "Caps index is out of bounds!");
60 return CapsOverride[caps];
63 AMDGPUSubtarget::is64bit() const {
67 AMDGPUSubtarget::hasVertexCache() const {
68 return HasVertexCache;
71 AMDGPUSubtarget::getTexVTXClauseSize() const {
72 return TexVTXClauseSize;
75 AMDGPUSubtarget::isTargetELF() const {
79 AMDGPUSubtarget::getDefaultSize(uint32_t dim) const {
83 return DefaultSize[dim];
88 AMDGPUSubtarget::getDataLayout() const {
90 return std::string("e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16"
91 "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f80:32:32"
92 "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64"
93 "-v96:128:128-v128:128:128-v192:256:256-v256:256:256"
94 "-v512:512:512-v1024:1024:1024-v2048:2048:2048-a0:0:64");
96 return Device->getDataLayout();
100 AMDGPUSubtarget::getDeviceName() const {
104 AMDGPUSubtarget::device() const {