[Bug target/87976] [i386] Sub-optimal code generation for _mm256_set1_epi64()
amonakov at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Mon Nov 12 09:08:00 GMT 2018
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87976
Alexander Monakov <amonakov at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Last reconfirmed| |2018-11-12
CC| |amonakov at gcc dot gnu.org
Resolution|DUPLICATE |---
Ever confirmed|0 |1
--- Comment #5 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Reopening per comment #4: while we do generate optimal code with -mavx512vl, we
should do a better job with plain avx2 (i.e. with -march=haswell).
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