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[Bug middle-end/27116] [4.2 Regression] Incorrect integer division (wrong sign).
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 8 Jun 2006 08:31:12 -0000
- Subject: [Bug middle-end/27116] [4.2 Regression] Incorrect integer division (wrong sign).
- References: <bug-27116-12512@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #18 from rguenth at gcc dot gnu dot org 2006-06-08 08:31 -------
The transformation -~a to a + 1 is valid with -fwrapv, but with -fwrapv, the
further transformation of the division will not happen, because that in turn is
not safe for -fwrapv.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27116