enh-google

not likely, no. see https://aws.amazon.com/blogs/opensource/improving-zlib-cloudflare-and-comparing-performance-with-other-zlib-forks and https://dougallj.wordpress.com/2022/08/20/faster-zlib-deflate-decompression-on-the-apple-m1-and-x86/ for example. @Adenilson has forgotten more than i ever knew about this.

i didn't _know_ that i did, but the external/libmpeg2/METADATA file says yes :-)

> one question: upstream of https://android.googlesource.com/platform/external/libpng/ is from chromium(https://chromium.googlesource.com/chromium/src/third_party/libpng/) or form it's official repo, which I think is https://github.com/glennrp/libpng? for most projects in external/ you should be able to look...

anyone familiar enough with upstream to know if/when they plan on releasing v1.6.40? (we prefer to stick to published releases, but if that's not likely any time soon we can...

ah, that's unfortunate... ``` * f135775a Release libpng version 1.6.40 * afc6c595 Fix a build regression on Solaris * e6c5bf46 Ensure that only one eXIf chunk is written in the...

> I am wondering which one of the below list would be the upstream for aosp... see https://github.com/google/android-riscv64/issues/37#issuecomment-1584607217 where i already answered this question (both for libpng specifically, but also...

no, nothing is changing. (remember _anyone_ can comment here!)

> @enh-google Should we consider updating the METADATA to just point to the redirected project? yeah, that sgtm. i'll let @sadafebrahimi make that change (because i'm curious whether that's something...

https://github.com/llvm/llvm-project/blob/main/clang/lib/Driver/ToolChains/Arch/RISCV.cpp ``` if (Triple.isAndroid()) return "rv64imafdc_zba_zbb_zbs"; ``` so Zb* is done, and it's just V and vector crypto left. i'll update the title correspondingly.

i think at the moment we're saying "all of them", and i haven't heard any pushback on that. (there's more background in https://github.com/google/android-riscv64/issues/36 from before vector crypto was ratified, where...