On Tue, 27 Jun 2023 12:22:43 GMT, Daniel Jeliński <djelin...@openjdk.org> wrote:
> Please review this attempt to fix ignored-qualifiers warning. > > Example warnings: > > src/hotspot/share/oops/method.hpp:413:19: warning: 'volatile' type qualifier > on return type has no effect [-Wignored-qualifiers] > CompiledMethod* volatile code() const; > ^~~~~~~~~ > > > src/hotspot/share/jfr/periodic/jfrModuleEvent.cpp:65:20: warning: type > qualifiers ignored on cast result type [-Wignored-qualifiers] > 65 | event.set_source((const ModuleEntry* const)from_module); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > The proposed fix removes the ignored qualifiers. > In a few AD files I replaced `const` with `constexpr` where I noticed that > the method is returning a compile-time constant, and other platforms use > `constexpr` on the same method. > > Release, debug and slowdebug builds on Aarch64 / x64 and Mac / Linux complete > without errors. Cross-compile GHA builds also pass. I will approve this as-is but have to wonder whether many of these cases of const return types were intending to declare const functions? P.S. Forgot to say thanks for dealing with this! src/hotspot/cpu/aarch64/aarch64.ad line 2288: > 2286: > //============================================================================= > 2287: > 2288: const bool Matcher::match_rule_supported(int opcode) { Have to wonder if these were all meant to be `bool Match:xxx() const {`? ------------- Marked as reviewed by dholmes (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/14674#pullrequestreview-1510051989 PR Comment: https://git.openjdk.org/jdk/pull/14674#issuecomment-1617042549 PR Review Comment: https://git.openjdk.org/jdk/pull/14674#discussion_r1249926982