On 5/8/23 00:43, Richard Biener wrote:
On Sat, May 6, 2023 at 8:46 PM Jeff Law via Gcc-patches
wrote:
On 5/6/23 06:57, Roger Sayle wrote:
Following up on posts/reviews by Segher and Uros, there's some question
over why the middle-end's lower subreg pass emits a clobber (of a
multi-word
On Sat, May 6, 2023 at 8:46 PM Jeff Law via Gcc-patches
wrote:
>
>
>
> On 5/6/23 06:57, Roger Sayle wrote:
> >
> > Following up on posts/reviews by Segher and Uros, there's some question
> > over why the middle-end's lower subreg pass emits a clobber (of a
> > multi-word register) into the instruc
On 5/6/23 06:57, Roger Sayle wrote:
Following up on posts/reviews by Segher and Uros, there's some question
over why the middle-end's lower subreg pass emits a clobber (of a
multi-word register) into the instruction stream before emitting the
sequence of moves of the word-sized parts. This c
Following up on posts/reviews by Segher and Uros, there's some question
over why the middle-end's lower subreg pass emits a clobber (of a
multi-word register) into the instruction stream before emitting the
sequence of moves of the word-sized parts. This clobber interferes
with (LRA) register all
