http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60172
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2014-02-13 CC| |rguenth at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- Please check the rev. after 2014-01-30 Richard Biener <rguent...@suse.de> PR tree-optimization/59993 * tree-ssa-forwprop.c (associate_pointerplus): Check we can propagate form the earlier stmt and avoid the transform when the intermediate result is needed. which avoids a case where extra expresions could have been introduced. Also ... can you attach the Dhrystone variant you are using? Also I can double the benchmark score on my machine when using -O3 -fwhole-program.