[Bug ipa/65076] [5 Regression] 16% tramp3d-v4.cpp compile time regression

trippels at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Mar 31 20:31:00 GMT 2015


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65076

--- Comment #44 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #43)
> Markus, can you reproduce some consistent growth in -ftime-report for one of
> passes? Given that code size difference is solved (please try to double
> check that, we may have slightly different revisions of tramp3d), it really
> seems that one of the passes simply regress.

Like Richard wrote in comment 38 it is "phase opt and generate" that regresses
for me.
Code size difference is OK now (1% bigger on X86, 2% smaller on ppc64).

And I have pointed to r219452 in comment0, but haven't double checked yet.
(r219452 is:
2015-01-12  Jan Hubicka  <hubicka@ucw.cz>

        PR ipa/63967
        PR ipa/64425
        * ipa-inline.c (compute_uninlined_call_time,
...)



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