[Bug target/57954] AVX missing vxorps (zeroing) before vcvtsi2s %edx, slow down AVX code

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57954

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hjl.tools at gmail dot com

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 30560
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30560&action=edit
A patch

This patch adds X86_TUNE_SSE_PARTIAL_REG_STALL.