On Fri, 2 Jun 2023 15:52:06 GMT, Maurizio Cimadamore <mcimadam...@openjdk.org> wrote:
>> Jorn Vernee has updated the pull request with a new target base due to a >> merge or a rebase. The incremental webrev excludes the unrelated changes >> brought in by the merge/rebase. The pull request contains 11 additional >> commits since the last revision: >> >> - Merge branch 'master' into VAFixes >> - undo spurious whitespace changes >> - automatically apply variadic promotions >> - move prototype-less name >> - Rework javadoc >> - review comments >> - fix word order >> - adjust whitespace >> - simplify test changes >> - reject invalid variadic layouts >> - ... and 1 more: https://git.openjdk.org/jdk/compare/16267ba7...9daadbfc > > src/java.base/share/classes/jdk/internal/foreign/abi/AbstractLinker.java line > 261: > >> 259: // and float is promoted to double >> 260: // See: >> https://en.cppreference.com/w/c/language/conversion#Default_argument_promotions >> 261: private static FunctionDescriptor >> promoteVariadicArgs(FunctionDescriptor function, int firstVariadicArgIndex) { > > Maybe it's unneeded optimization, but we're scanning the list of layouts > once, and then once again to determine the resulting method type. Should we > try to do both in one pass? I considered keeping track of the promoted args in a boolean[], but I figured it was simpler to just scan the layouts again. And this is not really performance critical code. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/14225#discussion_r1214570923