On Mon, Sep 12, 2022 at 11:47:47AM -0500, Segher Boessenkool wrote:
> On Mon, Sep 12, 2022 at 12:40:31AM +0100, Roger Sayle wrote:
> > * gcc/combine.cc (expand_compound_operation): Don't expand/transform
> > ZERO_EXTEND or SIGN_EXTEND on targets where rtx_cost claims they are
> >
Hi!
On Mon, Sep 12, 2022 at 12:40:31AM +0100, Roger Sayle wrote:
> * gcc/combine.cc (expand_compound_operation): Don't expand/transform
> ZERO_EXTEND or SIGN_EXTEND on targets where rtx_cost claims they are
> cheap. If gen_lowpart returns a SUBREG of something other than a
"Roger Sayle" writes:
> Hi Richard,
>
>> "Roger Sayle" writes:
>> > This patch addresses PR rtl-optimization/106594, a significant
>> > performance regression affecting aarch64 recently introduced (exposed)
>> > by one of my recent RTL simplification improvements. Firstly many
>> > thanks to Tam
Hi Richard,
> "Roger Sayle" writes:
> > This patch addresses PR rtl-optimization/106594, a significant
> > performance regression affecting aarch64 recently introduced (exposed)
> > by one of my recent RTL simplification improvements. Firstly many
> > thanks to Tamar Christina for confirming t
"Roger Sayle" writes:
> This patch addresses PR rtl-optimization/106594, a significant performance
> regression affecting aarch64 recently introduced (exposed) by one of my
> recent RTL simplification improvements. Firstly many thanks to
> Tamar Christina for confirming that the core of this patc
