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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/98420] Invalid simplification of x - x with -frounding-math
Date: Mon, 13 Dec 2021 05:42:34 +0000 [thread overview]
Message-ID: <bug-98420-4-njPdfYZwQv@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-98420-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98420
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #1)
> probably conditional on HONOR_SIGNED_ZEROS.
That is checked now:
+ || (!tree_expr_maybe_nan_p (@0)
+ && !tree_expr_maybe_infinite_p (@0)))
The part that is missed is the flag_rounding_math .
next prev parent reply other threads:[~2021-12-13 5:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-22 14:56 [Bug middle-end/98420] New: " ubizjak at gmail dot com
2021-01-05 9:39 ` [Bug middle-end/98420] " rguenth at gcc dot gnu.org
2021-12-13 5:42 ` pinskia at gcc dot gnu.org [this message]
2022-03-10 23:56 ` roger at nextmovesoftware dot com
2022-03-12 9:23 ` cvs-commit at gcc dot gnu.org
2022-03-14 18:39 ` roger at nextmovesoftware dot com
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