[Bug target/66925] [4.9 optimization regression] _mm_cvtsi32_si128 spilling to memory

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66925

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Some processors moving between the GPR via vmovd is slower than moving via
memory.  So that is the reason why using -march=sandybridge or -march=ivybridge
makes the issue go away.