On Thu, Feb 2, 2023 at 10:49 AM Richard Sandiford via Gcc-patches
wrote:
>
> Since rtl-ssa isn't a real/native SSA representation, it has
> to honour the constraints of the underlying rtl representation.
> Part of this involves maintaining an rpo list of definitions
> for each rtl register, backed
Since rtl-ssa isn't a real/native SSA representation, it has
to honour the constraints of the underlying rtl representation.
Part of this involves maintaining an rpo list of definitions
for each rtl register, backed by a splay tree where necessary
for quick lookup/insertion.
However, clobbers of a