[Bug target/127743] [15/16/17 Regression] x86: V2HF CONSTRUCTOR {x, 0.0} expanded as pinsrw + 32-bit store, lane 1 never zeroed

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127743

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[15/16 Regression] x86:     |[15/16/17 Regression] x86:
                   |V2HF CONSTRUCTOR {x, 0.0}   |V2HF CONSTRUCTOR {x, 0.0}
                   |expanded as pinsrw + 32-bit |expanded as pinsrw + 32-bit
                   |store, lane 1 never zeroed  |store, lane 1 never zeroed
   Target Milestone|---                         |15.4