Skip to content

[Clang] Bring initFeatureMap back to AArch64TargetInfo. #96832

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: main
Choose a base branch
from
Open

[Clang] Bring initFeatureMap back to AArch64TargetInfo. #96832

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
37e0ff8
Bring initFeatureMap back to AArch64TargetInfo.
weiweichen Jun 26, 2024
e04415c
Fix format.
weiweichen Jun 26, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 18 additions & 0 deletions clang/lib/Basic/Targets/AArch64.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1170,6 +1170,24 @@ ParsedTargetAttr AArch64TargetInfo::parseTargetAttr(StringRef Features) const {
return Ret;
}

bool AArch64TargetInfo::initFeatureMap(
llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags, StringRef CPU,
const std::vector<std::string> &FeaturesVec) const {
std::vector<std::string> UpdatedFeaturesVec;
// Parse the CPU and add any implied features.
std::optional<llvm::AArch64::CpuInfo> CpuInfo = llvm::AArch64::parseCpu(CPU);
if (CpuInfo) {
auto Exts = CpuInfo->getImpliedExtensions();
std::vector<StringRef> CPUFeats;
llvm::AArch64::getExtensionFeatures(Exts, CPUFeats);
for (auto F : CPUFeats) {
assert((F[0] == '+' || F[0] == '-') && "Expected +/- in target feature!");
UpdatedFeaturesVec.push_back(F.str());
}
}
return TargetInfo::initFeatureMap(Features, Diags, CPU, UpdatedFeaturesVec);
}

bool AArch64TargetInfo::hasBFloat16Type() const {
return true;
}
Expand Down
5 changes: 5 additions & 0 deletions clang/lib/Basic/Targets/AArch64.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,11 @@ class LLVM_LIBRARY_VISIBILITY AArch64TargetInfo : public TargetInfo {
unsigned multiVersionSortPriority(StringRef Name) const override;
unsigned multiVersionFeatureCost() const override;

bool
initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
StringRef CPU,
const std::vector<std::string> &FeaturesVec) const override;

bool useFP16ConversionIntrinsics() const override {
return false;
}
Expand Down
Loading