------- Additional Comments From bonzini at gcc dot gnu dot org 2005-09-30 13:16 ------- hum, strange. i don't get absolutely any difference before and after recip on sbisect (and the family of functions it invokes, i.e. polyeval, regula_falsa and numchanges) in polysolv.cpp from povray 3.6.1. and indeed by browsing at the source code, i saw no optimization opportunities there.
uros, can you do the same test? (i.e. compile polysolv.cpp with all your options + -fdump-tree-all, and then "diff -u polysolv.cpp.*.loopdone polysolv.cpp.*.recip"). tnx, Paolo -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24123
