--- Comment #8 from steven at gcc dot gnu dot org 2006-04-24 22:34 ---
What are loop notes again? Ah, yes. Legacy. Fixed on mainline.
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steven at gcc dot gnu dot org changed:
What|Removed |Added
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--- Comment #7 from amylaar at gcc dot gnu dot org 2006-03-07 22:42 ---
(In reply to comment #6)
> Yes, if you need to detect loops, call the routine to detect natural loops.
> This is the way of the future.
> LOOP_NOTES are not.
Is flow_loops_find and the data that it initailizes a sta
--- Comment #6 from dberlin at gcc dot gnu dot org 2006-03-07 21:50 ---
(In reply to comment #5)
> (In reply to comment #4)
> > Actually there is nothing that uses LOOP_NOTEs other than the old RTL loop
> > optimizer. At least, nothing that _should_ use it. Wanna know about
> > loops?
--- Comment #5 from amylaar at gcc dot gnu dot org 2006-03-07 20:52 ---
(In reply to comment #4)
> Actually there is nothing that uses LOOP_NOTEs other than the old RTL loop
> optimizer. At least, nothing that _should_ use it. Wanna know about loops?
> Find natural loops instead of de
--- Comment #4 from steven at gcc dot gnu dot org 2006-02-27 14:04 ---
Actually there is nothing that uses LOOP_NOTEs other than the old RTL loop
optimizer. At least, nothing that _should_ use it. Wanna know about loops?
Find natural loops instead of depending on the notes.
But the p
--- Comment #3 from amylaar at gcc dot gnu dot org 2005-11-11 21:44 ---
(In reply to comment #2)
> LOOP NOTES should be removed in 4.2 when loop.c is removed.
>
There is more than loop.c which currently uses LOOP NOTES.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24814
--- Comment #2 from pinskia at gcc dot gnu dot org 2005-11-11 21:05 ---
LOOP NOTES should be removed in 4.2 when loop.c is removed.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24814
--- Comment #1 from amylaar at gcc dot gnu dot org 2005-11-11 20:59 ---
Created an attachment (id=10221)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=10221&action=view)
test case
When compiling this test case with -O2 -funroll-loops for i686 or sh-elf, the
NOTE_INSN_LOOP_BEG and