------- Comment #7 from amonakov at gcc dot gnu dot org 2009-01-22 12:19
-------
(In reply to comment #6)
> -static bool code_motion_path_driver (insn_t, av_set_t, ilist_t,
> - cmpd_local_params_p, void *);
> +static int code_motion_path_driver (insn_t, av_set_t, ilist_t,
> + cmpd_local_params_p, void *);
>
> You probably don't want this bit...?
>
The function returns -1 in some circumstances. This change is not relevant to
the ICE in question, but is nevertheless a correction (maybe not the best, as
'return true' and 'return false' are used in function's body). I'm not sure
what's best here -- to include this in PR fix submission, or as a separate
patch.
FWIW, there're a couple more unrelated changes:
1) check if a reg is actually a hard reg
if (REG_P (*cur_rtx)
+ && HARD_REGISTER_P (*cur_rtx)
&& hard_regno_nregs[REGNO(*cur_rtx)][GET_MODE (*cur_rtx)] > 1)
and
2) Do not merge info from successors if not relevant
/* Merge data, clean up, etc. */
- if (code_motion_path_driver_info->after_merge_succs)
+ if (res != -1 && code_motion_path_driver_info->after_merge_succs)
code_motion_path_driver_info->after_merge_succs (&lparams, static_params);
Again, I will submit them separately if so desired.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38857
