On Tue, 7 Mar 2023 13:39:50 GMT, Coleen Phillimore <cole...@openjdk.org> wrote:
>> The current structure used to store the resolution information for >> invokedynamic, ConstantPoolCacheEntry, is difficult to interpret due to its >> ambigious fields f1 and f2. This structure can hold information for fields, >> methods, and invokedynamics and each of its fields can hold different types >> of values depending on the entry. >> >> This enhancement proposes a new structure to exclusively contain >> invokedynamic information in a manner that is easy to interpret and easy to >> extend. Resolved invokedynamic entries will be stored in an array in the >> constant pool cache and the operand of the invokedynamic bytecode will be >> rewritten to be the index into this array. >> >> Any areas that previously accessed invokedynamic data from >> ConstantPoolCacheEntry will be replaced with accesses to this new array and >> structure. Verified with tier1-9 tests. >> >> The PPC was provided by @reinrich and the RISCV port was provided by >> @DingliZhang and @zifeihan. >> >> This change supports the following platforms: x86, aarch64, PPC, and RISCV > > src/hotspot/share/ci/ciReplay.cpp line 419: > >> 417: be used to avoid multiple blocks of similar code. When CPCE is >> obsoleted >> 418: these can be removed >> 419: */ > > I don't know if you really need this comment. If so, use // style instead. I think it's worth keeping around as a reminder for cleanup down the line since it's easy to overlook. I will change it to // style. ------------- PR: https://git.openjdk.org/jdk/pull/12778