return Error::success();
}
+static const char *ImpliedExtsV[] = {"zvlsseg"};
+static const char *ImpliedExtsZfh[] = {"zfhmin"};
+
+struct ImpliedExtsEntry {
+ StringLiteral Name;
+ ArrayRef<const char *> Exts;
+
+ bool operator<(const ImpliedExtsEntry &Other) const {
+ return Name < Other.Name;
+ }
+
+ bool operator<(StringRef Other) const { return Name < Other; }
+};
+
+static constexpr ImpliedExtsEntry ImpliedExts[] = {
+ {"v", ImpliedExtsV},
+ {"zfh", ImpliedExtsZfh},
+};
+
void RISCVISAInfo::updateImplication() {
bool HasE = Exts.count("e") == 1;
bool HasI = Exts.count("i") == 1;
- bool HasV = Exts.count("v") == 1;
- bool HasZfh = Exts.count("zfh") == 1;
// If not in e extension and i extension does not exist, i extension is
// implied
addExtension("i", Version->Major, Version->Minor);
}
- if (HasV) {
- auto Version = findDefaultVersion("zvlsseg");
- addExtension("zvlsseg", Version->Major, Version->Minor);
- }
-
- if (HasZfh) {
- auto Version = findDefaultVersion("zfhmin");
- addExtension("zfhmin", Version->Major, Version->Minor);
+ assert(llvm::is_sorted(ImpliedExts) && "Table not sorted by Name");
+ for (auto &Ext : Exts) {
+ auto I = llvm::lower_bound(ImpliedExts, Ext.first);
+ if (I != std::end(ImpliedExts) && I->Name == Ext.first) {
+ for (auto &ImpliedExt : I->Exts) {
+ auto Version = findDefaultVersion(ImpliedExt);
+ addExtension(ImpliedExt, Version->Major, Version->Minor);
+ }
+ }
}
}