On Fri, Feb 28, 2025 at 11:47:44AM +0100, Richard Biener wrote:
> The following disables redundant store elimination to hard register
> variables which isn't valid.
>
> Bootstrapped and tested on x86_64-unknown-linux-gnu, OK?
>
> Thanks,
> Richard.
>
> PR tree-optimization/87984
> * tree-ssa-dom.cc (dom_opt_dom_walker::optimize_stmt): Do
> not perform redundant store elimination to hard register
> variables.
> * tree-ssa-sccvn.cc (eliminate_dom_walker::eliminate_stmt):
> Likewise.
>
> * gcc.target/i386/pr87984.c: New testcase.
LGTM.
Jakub
