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[Bug tree-optimization/30318] VRP does not create ANTI_RANGEs on overflow
- From: "glisse at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 05 May 2012 13:17:43 +0000
- Subject: [Bug tree-optimization/30318] VRP does not create ANTI_RANGEs on overflow
- Auto-submitted: auto-generated
- References: <bug-30318-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30318
Marc Glisse <glisse at gcc dot gnu.org> changed:
What |Removed |Added
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Attachment #27311|0 |1
is obsolete| |
--- Comment #9 from Marc Glisse <glisse at gcc dot gnu.org> 2012-05-05 13:17:43 UTC ---
Created attachment 27317
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27317
Wrap plus/minus/mult
And now with MULT_EXPR as well. Strangely enough, tree-vrp doesn't mention
LSHIFT_EXPR anywhere, could be worth adding it, at least for the case with a
constant shift.