Hello,
Thanks for the quick ok. Yes, I ran into this with out of tree patches
(my new delay slot scheduling pass, based on cfg, DF, and sched-deps).
The problem only happens with hard regs and I think that of the
existing users of these functions only the mips.c ones maybe are
buggy.
Ciao!
Steven
Il 10/04/2013 21:33, Steven Bosscher ha scritto:
> Hello,
>
> df_find_def and df_find_use do not work properly for hard registers
> because rtx_equal_p returns false for the case where
> REGNO(x)==REGNO(y) but the modes are different. This happened as
> follows in my case:
>
> Breakpoint 9, df_re
