search for: unpckl_undef

...de is already emitted for it ------------------------------------------------------------------------ This one maybe caused the MMX regression? ------------------------------------------------------------------------ r112806 | bruno | 2010-09-01 22:23:12 -0700 (Wed, 01 Sep 2010) | 1 line Replace unpckl_undef and unpckh_undef matching with target specific opcodes ------------------------------------------------------------------------ If you can narrow it down, file a bug report, and if it doesn't cause a regression from 2.7 in other areas of the compiler, then we can make a determination on whethe...

On Wed, Sep 8, 2010 at 12:35 AM, Nicolas Capens <nicolas.capens at gmail.com> wrote: > Hi Chris, > > It's not broken, but the performance is crippled. > > I noticed that the code still contains some MMX instructions, but several > operations get expanded (apparently swizzling and such get expanded to a > large number of byte moves). I think some changes related to