[llvm-bugs] [Bug 29162] LLVM 3.8.1 compiles VMOVSD on Intel Skylake using EVEX

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Jan 2 04:25:45 PST 2017


https://llvm.org/bugs/show_bug.cgi?id=29162

Gadi Haber <gadi.haber at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |gadi.haber at intel.com
         Resolution|---                         |FIXED

--- Comment #7 from Gadi Haber <gadi.haber at intel.com> ---
The issue was fixed in a patch to X86 AVX512 on LLVM revision 290649.
Changed date is 2016-12-28.
An optimization pass was added in AVX-512 for EVEX encoded instructions which
can be encoded via the short VEX encoding format to reduce code size.

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