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[Bug target/80820] _mm_set_epi64x shouldn't store/reload for -mtune=haswell, Zen should avoid store/reload, and generic should think about it.
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 19 May 2017 08:45:51 +0000
- Subject: [Bug target/80820] _mm_set_epi64x shouldn't store/reload for -mtune=haswell, Zen should avoid store/reload, and generic should think about it.
- Auto-submitted: auto-generated
- References: <bug-80820-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80820
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-05-19
CC| |hubicka at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed. We need to revisit a lot of the little details for generic tuning
for recent GCC.