https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
--- Comment #8 from Vladimir Makarov ---
I've tried different approaches to fix it. The best patch I have now is in the
attachment.
Unfortunately, the best patch results in two new failures on ppc64 (other
patches are even worse):
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
--- Comment #7 from Vladimir Makarov ---
Created attachment 50225
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50225=edit
A candidate patch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
--- Comment #6 from Hongtao.liu ---
(In reply to Alexander Monakov from comment #5)
> afaict LRA is just following IRA decisions, and IRA allocates that pseudo to
> memory due to costs.
>
> Not sure where strange cost is coming from, but it
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
Richard Biener changed:
What|Removed |Added
Priority|P3 |P2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
--- Comment #5 from Alexander Monakov ---
afaict LRA is just following IRA decisions, and IRA allocates that pseudo to
memory due to costs.
Not sure where strange cost is coming from, but it depends on x86 tuning
options: with -mtune=skylake we
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
Jakub Jelinek changed:
What|Removed |Added
Ever confirmed|0 |1
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
Richard Biener changed:
What|Removed |Added
Depends on||93943
Target Milestone|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
Alexander Monakov changed:
What|Removed |Added
CC||amonakov at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97366
--- Comment #1 from Peter Cordes ---
Forgot to include https://godbolt.org/z/q44r13
