Bernd Schmidt wrote:
> There is a reference to current_function_uses_eh_return in dse.c, but
> it's not clear to me what it's trying to achieve. Anyway, turning the
> store into an unspec_volatile solves the problem. I've committed the
> following.
>
>
I will look into this.
kenny
Exception handling on the Blackfin was broken by the dataflow merge.
Inspecting the differences in the generated code, it appears that when
compiling functions like _Unwind_Resume in unwind-dw2.c, the dse pass
deletes necessary instructions.
Before:
(insn 56 55 57 7 (set (reg/v:SI 56 [ offset ])
