Re: [PATCH] rtl-ssa: Fix splitting of clobber groups [PR108508]

2023-02-02 Thread Richard Biener via Gcc-patches
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

[PATCH] rtl-ssa: Fix splitting of clobber groups [PR108508]

2023-02-02 Thread Richard Sandiford via Gcc-patches
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