https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57600
Marc Glisse changed:
What|Removed |Added
Status|NEW |RESOLVED
Known to work|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57600
alalaw01 at gcc dot gnu.org changed:
What|Removed |Added
CC||alalaw01 at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57600
--- Comment #6 from Marc Glisse glisse at gcc dot gnu.org ---
(In reply to alalaw01 from comment #5)
Can you give an example where it not only doesn't help, but actually hurts?
I don't remember at all what I was talking about. I can imagine
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57600
Richard Biener rguenth at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57600
--- Comment #2 from Marc Glisse glisse at gcc dot gnu.org ---
The main difficulty is deciding when this transformation is a good idea. A
priori abac can be faster than amin(b,c). Good cases:
- if there is a min insn (like minsd for double on
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57600
Jakub Jelinek jakub at gcc dot gnu.org changed:
What|Removed |Added
CC||jakub at gcc dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57600
--- Comment #4 from Marc Glisse glisse at gcc dot gnu.org ---
(In reply to Jakub Jelinek from comment #3)
Perhaps we want to perform it just during ifcvt once it is rolled into
vectorizer and works on an on-the-side bb? Then it wouldn't affect