Define CLZ behavior for zero input on Z80

calc84maniac · adriweb · commit e2a28a53d934 · 2025-04-08T10:53:29.000+02:00
diff --git a/clang/lib/Basic/Targets/Z80.h b/clang/lib/Basic/Targets/Z80.h
@@ -39,6 +39,7 @@ class LLVM_LIBRARY_VISIBILITY Z80TargetInfoBase : public TargetInfo {
   }
 
   bool hasInt48Type() const override { return true; }
+  bool isCLZForZeroUndef() const override { return false; }
   void getTargetDefines(const LangOptions &Opts,
                         MacroBuilder &Builder) const override;
   BuiltinVaListKind getBuiltinVaListKind() const override {

Original file line number	Diff line number	Diff line change
`@@ -39,6 +39,7 @@ class LLVM_LIBRARY_VISIBILITY Z80TargetInfoBase : public TargetInfo {`
`39`	`39`	`}`
`40`	`40`
`41`	`41`	`bool hasInt48Type() const override { return true; }`
	`42`	`+ bool isCLZForZeroUndef() const override { return false; }`
`42`	`43`	`void getTargetDefines(const LangOptions &Opts,`
`43`	`44`	`MacroBuilder &Builder) const override;`
`44`	`45`	`BuiltinVaListKind getBuiltinVaListKind() const override {`