| //===-- TargetParser - Parser for target features ---------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements a target parser to recognise hardware features such as |
| // FPU/CPU/ARCH names as well as specific support such as HDIV, etc. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Support/ARMBuildAttributes.h" |
| #include "llvm/Support/TargetParser.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/StringSwitch.h" |
| #include "llvm/ADT/Twine.h" |
| |
| using namespace llvm; |
| using namespace AMDGPU; |
| |
| namespace { |
| |
| struct GPUInfo { |
| StringLiteral Name; |
| StringLiteral CanonicalName; |
| AMDGPU::GPUKind Kind; |
| unsigned Features; |
| }; |
| |
| constexpr GPUInfo R600GPUs[26] = { |
| // Name Canonical Kind Features |
| // Name |
| {{"r600"}, {"r600"}, GK_R600, FEATURE_NONE }, |
| {{"rv630"}, {"r600"}, GK_R600, FEATURE_NONE }, |
| {{"rv635"}, {"r600"}, GK_R600, FEATURE_NONE }, |
| {{"r630"}, {"r630"}, GK_R630, FEATURE_NONE }, |
| {{"rs780"}, {"rs880"}, GK_RS880, FEATURE_NONE }, |
| {{"rs880"}, {"rs880"}, GK_RS880, FEATURE_NONE }, |
| {{"rv610"}, {"rs880"}, GK_RS880, FEATURE_NONE }, |
| {{"rv620"}, {"rs880"}, GK_RS880, FEATURE_NONE }, |
| {{"rv670"}, {"rv670"}, GK_RV670, FEATURE_NONE }, |
| {{"rv710"}, {"rv710"}, GK_RV710, FEATURE_NONE }, |
| {{"rv730"}, {"rv730"}, GK_RV730, FEATURE_NONE }, |
| {{"rv740"}, {"rv770"}, GK_RV770, FEATURE_NONE }, |
| {{"rv770"}, {"rv770"}, GK_RV770, FEATURE_NONE }, |
| {{"cedar"}, {"cedar"}, GK_CEDAR, FEATURE_NONE }, |
| {{"palm"}, {"cedar"}, GK_CEDAR, FEATURE_NONE }, |
| {{"cypress"}, {"cypress"}, GK_CYPRESS, FEATURE_FMA }, |
| {{"hemlock"}, {"cypress"}, GK_CYPRESS, FEATURE_FMA }, |
| {{"juniper"}, {"juniper"}, GK_JUNIPER, FEATURE_NONE }, |
| {{"redwood"}, {"redwood"}, GK_REDWOOD, FEATURE_NONE }, |
| {{"sumo"}, {"sumo"}, GK_SUMO, FEATURE_NONE }, |
| {{"sumo2"}, {"sumo"}, GK_SUMO, FEATURE_NONE }, |
| {{"barts"}, {"barts"}, GK_BARTS, FEATURE_NONE }, |
| {{"caicos"}, {"caicos"}, GK_CAICOS, FEATURE_NONE }, |
| {{"aruba"}, {"cayman"}, GK_CAYMAN, FEATURE_FMA }, |
| {{"cayman"}, {"cayman"}, GK_CAYMAN, FEATURE_FMA }, |
| {{"turks"}, {"turks"}, GK_TURKS, FEATURE_NONE } |
| }; |
| |
| // This table should be sorted by the value of GPUKind |
| // Don't bother listing the implicitly true features |
| constexpr GPUInfo AMDGCNGPUs[33] = { |
| // Name Canonical Kind Features |
| // Name |
| {{"gfx600"}, {"gfx600"}, GK_GFX600, FEATURE_FAST_FMA_F32}, |
| {{"tahiti"}, {"gfx600"}, GK_GFX600, FEATURE_FAST_FMA_F32}, |
| {{"gfx601"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, |
| {{"hainan"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, |
| {{"oland"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, |
| {{"pitcairn"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, |
| {{"verde"}, {"gfx601"}, GK_GFX601, FEATURE_NONE}, |
| {{"gfx700"}, {"gfx700"}, GK_GFX700, FEATURE_NONE}, |
| {{"kaveri"}, {"gfx700"}, GK_GFX700, FEATURE_NONE}, |
| {{"gfx701"}, {"gfx701"}, GK_GFX701, FEATURE_FAST_FMA_F32}, |
| {{"hawaii"}, {"gfx701"}, GK_GFX701, FEATURE_FAST_FMA_F32}, |
| {{"gfx702"}, {"gfx702"}, GK_GFX702, FEATURE_FAST_FMA_F32}, |
| {{"gfx703"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, |
| {{"kabini"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, |
| {{"mullins"}, {"gfx703"}, GK_GFX703, FEATURE_NONE}, |
| {{"gfx704"}, {"gfx704"}, GK_GFX704, FEATURE_NONE}, |
| {{"bonaire"}, {"gfx704"}, GK_GFX704, FEATURE_NONE}, |
| {{"gfx801"}, {"gfx801"}, GK_GFX801, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, |
| {{"carrizo"}, {"gfx801"}, GK_GFX801, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, |
| {{"gfx802"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, |
| {{"iceland"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, |
| {{"tonga"}, {"gfx802"}, GK_GFX802, FEATURE_FAST_DENORMAL_F32}, |
| {{"gfx803"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, |
| {{"fiji"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, |
| {{"polaris10"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, |
| {{"polaris11"}, {"gfx803"}, GK_GFX803, FEATURE_FAST_DENORMAL_F32}, |
| {{"gfx810"}, {"gfx810"}, GK_GFX810, FEATURE_FAST_DENORMAL_F32}, |
| {{"stoney"}, {"gfx810"}, GK_GFX810, FEATURE_FAST_DENORMAL_F32}, |
| {{"gfx900"}, {"gfx900"}, GK_GFX900, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, |
| {{"gfx902"}, {"gfx902"}, GK_GFX902, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, |
| {{"gfx904"}, {"gfx904"}, GK_GFX904, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, |
| {{"gfx906"}, {"gfx906"}, GK_GFX906, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, |
| {{"gfx909"}, {"gfx909"}, GK_GFX909, FEATURE_FAST_FMA_F32|FEATURE_FAST_DENORMAL_F32}, |
| }; |
| |
| const GPUInfo *getArchEntry(AMDGPU::GPUKind AK, ArrayRef<GPUInfo> Table) { |
| GPUInfo Search = { {""}, {""}, AK, AMDGPU::FEATURE_NONE }; |
| |
| auto I = std::lower_bound(Table.begin(), Table.end(), Search, |
| [](const GPUInfo &A, const GPUInfo &B) { |
| return A.Kind < B.Kind; |
| }); |
| |
| if (I == Table.end()) |
| return nullptr; |
| return I; |
| } |
| |
| } // namespace |
| |
| StringRef llvm::AMDGPU::getArchNameAMDGCN(GPUKind AK) { |
| if (const auto *Entry = getArchEntry(AK, AMDGCNGPUs)) |
| return Entry->CanonicalName; |
| return ""; |
| } |
| |
| StringRef llvm::AMDGPU::getArchNameR600(GPUKind AK) { |
| if (const auto *Entry = getArchEntry(AK, R600GPUs)) |
| return Entry->CanonicalName; |
| return ""; |
| } |
| |
| AMDGPU::GPUKind llvm::AMDGPU::parseArchAMDGCN(StringRef CPU) { |
| for (const auto C : AMDGCNGPUs) { |
| if (CPU == C.Name) |
| return C.Kind; |
| } |
| |
| return AMDGPU::GPUKind::GK_NONE; |
| } |
| |
| AMDGPU::GPUKind llvm::AMDGPU::parseArchR600(StringRef CPU) { |
| for (const auto C : R600GPUs) { |
| if (CPU == C.Name) |
| return C.Kind; |
| } |
| |
| return AMDGPU::GPUKind::GK_NONE; |
| } |
| |
| unsigned AMDGPU::getArchAttrAMDGCN(GPUKind AK) { |
| if (const auto *Entry = getArchEntry(AK, AMDGCNGPUs)) |
| return Entry->Features; |
| return FEATURE_NONE; |
| } |
| |
| unsigned AMDGPU::getArchAttrR600(GPUKind AK) { |
| if (const auto *Entry = getArchEntry(AK, R600GPUs)) |
| return Entry->Features; |
| return FEATURE_NONE; |
| } |
| |
| void AMDGPU::fillValidArchListAMDGCN(SmallVectorImpl<StringRef> &Values) { |
| // XXX: Should this only report unique canonical names? |
| for (const auto C : AMDGCNGPUs) |
| Values.push_back(C.Name); |
| } |
| |
| void AMDGPU::fillValidArchListR600(SmallVectorImpl<StringRef> &Values) { |
| for (const auto C : R600GPUs) |
| Values.push_back(C.Name); |
| } |
| |
| AMDGPU::IsaVersion AMDGPU::getIsaVersion(StringRef GPU) { |
| AMDGPU::GPUKind AK = parseArchAMDGCN(GPU); |
| if (AK == AMDGPU::GPUKind::GK_NONE) { |
| if (GPU == "generic-hsa") |
| return {7, 0, 0}; |
| if (GPU == "generic") |
| return {6, 0, 0}; |
| return {0, 0, 0}; |
| } |
| |
| switch (AK) { |
| case GK_GFX600: return {6, 0, 0}; |
| case GK_GFX601: return {6, 0, 1}; |
| case GK_GFX700: return {7, 0, 0}; |
| case GK_GFX701: return {7, 0, 1}; |
| case GK_GFX702: return {7, 0, 2}; |
| case GK_GFX703: return {7, 0, 3}; |
| case GK_GFX704: return {7, 0, 4}; |
| case GK_GFX801: return {8, 0, 1}; |
| case GK_GFX802: return {8, 0, 2}; |
| case GK_GFX803: return {8, 0, 3}; |
| case GK_GFX810: return {8, 1, 0}; |
| case GK_GFX900: return {9, 0, 0}; |
| case GK_GFX902: return {9, 0, 2}; |
| case GK_GFX904: return {9, 0, 4}; |
| case GK_GFX906: return {9, 0, 6}; |
| case GK_GFX909: return {9, 0, 9}; |
| default: return {0, 0, 0}; |
| } |
| } |
