[Bug tree-optimization/54146] Very slow compile with attribute((flatten))

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54146

--- Comment #23 from Steven Bosscher <steven at gcc dot gnu.org> 2012-08-06 
20:22:02 UTC ---
Created attachment 27953
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27953
Be memory friendlier in build_insn_chain

My first ever reload patch! :-)