[Bug target/82430] [5/6/7/8 Regression] Suboptimal code generated because of unnecessary "pxor xmm0, xmm0"

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82430

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |x86_64-*-*
      Known to work|                            |4.8.5
   Target Milestone|---                         |5.5
            Summary|[4.9 Regression] Suboptimal |[5/6/7/8 Regression]
                   |code generated because of   |Suboptimal code generated
                   |unnecessary "pxor xmm0,     |because of unnecessary
                   |xmm0"                       |"pxor xmm0, xmm0"