On Tue, Mar 16, 2021 at 12:52 PM Jakub Jelinek wrote:
>
> On Tue, Mar 16, 2021 at 11:55:01AM +0100, Uros Bizjak wrote:
> > Maybe we could simply emit a special form of a ASHIFT pattern, tagged
> > with some unspec (similar to e.g. divmod4_1), and teach
> > ix86_split_lea_for_addr to emit it instea
On Tue, Mar 16, 2021 at 11:55:01AM +0100, Uros Bizjak wrote:
> Maybe we could simply emit a special form of a ASHIFT pattern, tagged
> with some unspec (similar to e.g. divmod4_1), and teach
> ix86_split_lea_for_addr to emit it instead? Peephole pass is so late
> in the pass sequence that we won't
On Tue, Mar 16, 2021 at 11:10 AM Jakub Jelinek wrote:
>
> Hi!
>
> As the testcase shows, the compiler hangs and eats all memory when compiling
> it. This is because in r11-7274-gdecd8fb0128870d0d768ba53dae626913d6d9c54
> I have changed the ix86_avoid_lea_for_addr splitting from a splitter
> into
Hi!
As the testcase shows, the compiler hangs and eats all memory when compiling
it. This is because in r11-7274-gdecd8fb0128870d0d768ba53dae626913d6d9c54
I have changed the ix86_avoid_lea_for_addr splitting from a splitter
into a peephole2 (because during splitting passes we don't have guarantee
