[Bug middle-end/123070] [16 Regression] pr90178.c -m32 starts to fail since r16-5975

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123070

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
          Component|rtl-optimization            |middle-end

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
;;   basic block 7, loop depth 0, count 52738306 (estimated locally, freq
0.4591), maybe hot
;;   Invalid sum of incoming counts 59055800 (estimated locally, freq 0.5141),
should be 52738306 (estimated locally, freq 0.4591)
;;    prev block 2, next block 3, flags: (NEW)
;;    pred:       2 [5.5% (guessed)]  count:6317494 (estimated locally, freq
0.0550) (FALSE_VALUE,EXECUTABLE)
;;                5 [5.5% (guessed)]  count:52738306 (estimated locally, freq
0.4591) (FALSE_VALUE,EXECUTABLE)
  goto <bb 6>; [100.00%]
;;    succ:       6 [always]  count:52738306 (estimated locally, freq 0.4591)
(FALLTHRU)


vs
;;   basic block 6, loop depth 0, count 59055800 (estimated locally, freq
0.5141), maybe hot
;;    prev block 5, next block 7, flags: (NEW, REACHABLE, VISITED)
;;    pred:       5 [5.5% (guessed)]  count:52738306 (estimated locally, freq
0.4591) (FALSE_VALUE,EXECUTABLE)
;;                2 [5.5% (guessed)]  count:6317494 (estimated locally, freq
0.0550) (FALSE_VALUE,EXECUTABLE)
  __asm__("" : "=r" r_8 : "0" 0B);
;;    succ:       7 [always]  count:59055800 (estimated locally, freq 0.5141)
(FALLTHRU,EXECUTABLE) /app/example.cpp:14:10


BB count is incorrect. Maybe that is causing issues. In this case the counts of
the edges should be additive.

Let me see if that fixes the issue.