[Bug middle-end/55623] [ARM] GCC should not prefer long dependency chains, they inhibit performance on superscalar processors

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55623



--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-10 
09:47:42 UTC ---

You can also adjust --param tree-reassoc-width or have the target implement

the sched.reassociation_width target hook (for the default).