Re: [PR103302] skip multi-word pre-move clobber during lra

[Vladimir Makarov via Gcc-patches]

On 2022-03-02 07:25, Alexandre Oliva wrote:

Regstrapped on x86_64-linux-gnu, also tested on various riscv and arm
targets (with gcc-11).  Ok to install?

Yes.

Thank you on working this, Alex.

for  gcc/ChangeLog
        * lra-constraints.cc (undo_optional_reloads): Recognize and
        drop insns of multi-word move sequences, tolerate removal
        iteration on an already-removed clobber, and refuse to
        substitute original pseudos into clobbers.