https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #11 from Marc Glisse ---
(In reply to Richard Biener from comment #3)
> > I am happy to relabel this bug (or file a new one if you prefer) as a missed
> > optimization.
>
> I'd say open a new one.
For reference, that's PR 53806.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #10 from Marc Glisse 2012-08-02
19:54:47 UTC ---
Author: glisse
Date: Thu Aug 2 19:54:43 2012
New Revision: 190100
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190100
Log:
2012-08-02 Marc Glisse
PR tree-optimization
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #9 from Marc Glisse 2012-07-06 21:53:32
UTC ---
Suspicious code:
combine_comparisons has special code that depends on which comparison comes
first, but maybe_fold_and_comparisons calls and_comparisons_1 (and thus
combine_comparisons)
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #8 f
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #7 from Richard Guenther 2012-06-29
14:54:21 UTC ---
(In reply to comment #6)
> On Fri, 29 Jun 2012, rguenth at gcc dot gnu.org wrote:
>
> > We happily remove dead trapping statements:
> >
> > void foo(double x, int y)
> > {
> > 1
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #6 from joseph at codesourcery dot com 2012-06-29 14:43:30 UTC ---
On Fri, 29 Jun 2012, rguenth at gcc dot gnu.org wrote:
> We happily remove dead trapping statements:
>
> void foo(double x, int y)
> {
> 1 / x;
Bug with -ftrapping
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #5 from Richard Guenther 2012-06-29
14:34:08 UTC ---
(In reply to comment #4)
> On Fri, 29 Jun 2012, rguenth at gcc dot gnu.org wrote:
>
> > We do not try to preserve traps instead we only try to not produce new ones.
>
> That's a b
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #4 from joseph at codesourcery dot com 2012-06-29 14:24:18 UTC ---
On Fri, 29 Jun 2012, rguenth at gcc dot gnu.org wrote:
> We do not try to preserve traps instead we only try to not produce new ones.
That's a bug. -ftrapping-math s
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #3 from Richard Guenther 2012-06-29
12:22:10 UTC ---
(In reply to comment #2)
> (In reply to comment #1)
> > We do not try to preserve traps instead we only try to not produce new ones.
>
> That would make a lot of sense, and assumin
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
--- Comment #2 from Marc Glisse 2012-06-29 12:19:07
UTC ---
(In reply to comment #1)
> We do not try to preserve traps instead we only try to not produce new ones.
That would make a lot of sense, and assuming it is the official policy I am
happy
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53805
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|
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