[Bug target/70708] Suboptimal code generated when using _mm_set_sd (X64)
hjl.tools at gmail dot com
gcc-bugzilla@gcc.gnu.org
Mon Apr 18 20:04:00 GMT 2016
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70708
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #13 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Marc Glisse from comment #11)
> Since for MyMinV1 we generate no move at all, then that code should also be
> valid for MyMinV2 (no issue with sNaN in the upper part or whatever).
Since _mm_set_sd clears upper bits, return from MyMinV2 should have upper
bits cleared. If not, it is a bug.
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