llvm dev - Jun 2021 - RISC-V LLVM sync-up call 10th June 2021

For background on these calls, see
<http://lists.llvm.org/pipermail/llvm-dev/2019-September/135087.html>.

Reminder: the purpose is to coordinate between active contributors.
If you have support questions etc then it's best to post to llvm-dev.

We have a call every alternate Thursday at 4pm BST, via
<https://meet.google.com/ske-zcog-spp>. If you have topics to discuss,
please email me ahead of time and I can add them to the agenda.

We have a shared calendar that may help in keeping track, which is
accessible at:
 *
<https://calendar.google.com/calendar/b/1?cid=bG93cmlzYy5vcmdfMG41cGtlc2ZqY25wMGJoNWhwczFwMGJkODBAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ>
 *
<https://calendar.google.com/calendar/ical/lowrisc.org_0n5pkesfjcnp0bh5hps1p0bd80%40group.calendar.google.com/public/basic.ics>

Agenda:
* 12.0.1 deadline tomorrow
  <https://lists.llvm.org/pipermail/llvm-dev/2021-June/150993.html>
* Deducing the default -march and -mabi
  <https://github.com/riscv/riscv-toolchain-conventions/issues/13>
* Checking in on previous discussions
  * .option norelax <https://reviews.llvm.org/D102535>
  * Using a pragma for the RVV intrinsics header
    <https://reviews.llvm.org/D103228>
* Heads-up
  * Repairing RISC-V handling of paired relocations
    <https://reviews.llvm.org/D103539>
  * Proposed policy on psABI changes
    <https://github.com/riscv/riscv-elf-psabi-doc/pull/191>
  * Requirements for atomic libcalls
    <https://github.com/riscv/riscv-elf-psabi-doc/issues/192>
* AOB

Best,

Alex