http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55334
--- Comment #34 from Jan Hubicka <hubicka at ucw dot cz> --- > I can confirm that one call of resid now gets inlined on the branch > even on x86_64 (I'm confused why, the dump seems to suggest all call > sites would violate param max-inline-insns-auto limit but then one > gets inlined anyway) and we are 5.6% slower than if we also specify > --param inline-min-speedup=17 (in addition to -Ofast). It probably gets an inline hint that makes it to bypass max-inline-insns-auto...