https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
Bug 46279 depends on bug 89430, which changed state.
Bug 89430 Summary: A missing ifcvt optimization to generate csel
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89430
What|Removed |Added
--
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
Andrew Pinski changed:
What|Removed |Added
Resolution|--- |FIXED
Depends on|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
Andrew Pinski changed:
What|Removed |Added
Last reconfirmed|2010-11-03 10:58:33 |2018-4-22
--- Comment #7 from Andrew Pin
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
--- Comment #5 from Andrew Pinski 2010-11-02
21:46:18 UTC ---
(In reply to comment #4)
> PR46009 ?
That one and I thought there was one more but of course I cannot find it.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #4 f
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
--- Comment #3 from davidxl 2010-11-02 21:33:37
UTC ---
Hoisting cmov out of the loop is more efficient ( I tried O3 before filing
the bug).
David
On Tue, Nov 2, 2010 at 2:31 PM, pinskia at gcc dot gnu.org <
gcc-bugzi...@gcc.gnu.org> wrote:
>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
--- Comment #2 from Andrew Pinski 2010-11-02
21:33:18 UTC ---
Though -O3 generates much larger code. What needs to be done is that one thing
really:
if (j < k)
a[i] = 1;
else
a[i] = j;
Needs to be transformed into:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46279
--- Comment #1 from Andrew Pinski 2010-11-02
21:31:03 UTC ---
Try -O3. -O3 enables -funswitch-loops which does this.
