Hi! On Wed, Mar 29, 2023 at 07:48:00AM -0600, Jeff Law wrote: > So as mentioned in the PR the underlying issue here is combine changes > the form of an existing insn, but fails to force re-recognition. As a > result other parts of the compiler blow up.
[snip] > The fix is trivial, reset the INSN_CODE to force re-recognition in the > case where try_combine fails. Thanks for the clear explanation! Okay for trunk. Also okay for all backports (after a week or so on trunk). > * combine.cc (combine_instructions): Force re-recognition when > potentially changing the underlying RTL structure of an insn. When returning the original, might be clearer? Thanks, Segher
