Many thanks to Uros for spotting that I'd forgotten to add constraints
to the new define_insn_and_split *andn<dwi>_doubleword_bmi when moving it
from pre-reload to post-reload.  I've pushed this obvious fix after a
make bootstrap on x86_64-pc-linux-gnu.  Sorry for the inconvenience to
anyone building the tree with a non-default architecture that enables
BMI.


2022-07-01  Roger Sayle  <roger@nextmovesoftware.com>
            Uroš Bizjak  <ubizjak@gmail.com>

gcc/ChangeLog
        * config/i386/i386.md (*andn<mode>3_doubleword_bmi): Add constraints
        to post-reload define_insn_and_split.


Roger
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