[llvm-dev] Deprecating the experimental microMIPS64R6 backend

Simon Dardis via llvm-dev llvm-dev at lists.llvm.org
Thu Jul 13 03:14:46 PDT 2017

Hi all,

I plan to deprecate the experimental microMIPS64R6 backend for the 5.0 release
and remove it after the release.

Currently there are no CPUs that use that particular sub-ISA which makes it difficult
to justify the maintenance and parallel development effort.

If there was a CPU design produced that did use microMIPS64R6, the backend could
be restored from the archive.

Any comments or objections?


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