https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36127
--- Comment #9 from Richard Biener ---
(In reply to Andrew Pinski from comment #8)
> So what seems to be happening is PRE is pull out the following from the loop:
>
> pretmp_250 = MEM[(float *)_2 + 4294933760B + ivtmp.159_57 * 1];
> _22 = (v
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36127
--- Comment #8 from Andrew Pinski ---
So what seems to be happening is PRE is pull out the following from the loop:
pretmp_250 = MEM[(float *)_2 + 4294933760B + ivtmp.159_57 * 1];
_22 = (void *) ivtmp.140_79;
pretmp_253 = MEM[(float *)_22
--- Comment #7 from rguenth at gcc dot gnu dot org 2009-08-07 08:32 ---
Err, that's not exactly a fix for -O2/-O3 ;)
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
--- Comment #6 from spop at gcc dot gnu dot org 2009-08-07 04:40 ---
Fixed.
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spop at gcc dot gnu dot org changed:
What|Removed |Added
Status|UNCONFIRMED
--- Comment #5 from astrange at ithinksw dot com 2009-08-07 03:04 ---
Fixed with -O3 -fgraphite-identity. Why did I even bother checking that?
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36127
--- Comment #4 from astrange at ithinksw dot com 2008-05-07 17:36 ---
Created an attachment (id=15592)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15592&action=view)
minimal source
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36127
--- Comment #3 from astrange at ithinksw dot com 2008-05-05 02:13 ---
Created an attachment (id=15580)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15580&action=view)
and at -Os
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36127
--- Comment #2 from astrange at ithinksw dot com 2008-05-05 02:12 ---
Created an attachment (id=15579)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15579&action=view)
compiled at -O3 on darwin
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36127
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astrange at ithinksw dot com changed:
What|Removed |Added
Severity|normal |enhancement
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36127
--- Comment #1 from astrange at ithinksw dot com 2008-05-05 02:12 ---
Created an attachment (id=15578)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15578&action=view)
source
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36127
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