[Bug target/104039] [9/10/11/12 Regression] AArch64 Redundant instruction moving general to vector register

tnfchris at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Apr 7 19:22:40 GMT 2022


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104039

Tamar Christina <tnfchris at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |tnfchris at gcc dot gnu.org

--- Comment #3 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
This has been fixed in GCC-12 where we optimize the merge of two vec_duplicates
into a simple vec_concat. https://godbolt.org/z/dWYfnjKnq

can we drop the 12 regression?


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