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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: Sun, 29 Jul 2012 14:44:25 +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
----------------------------------------------------------------------------
Attachment #27317|0 |1
is obsolete| |
--- Comment #21 from Marc Glisse <glisse at gcc dot gnu.org> 2012-07-29 14:44:25 UTC ---
Created attachment 27885
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27885
MULT_EXPR
It still requires some double-checking, a testcase, a bootstrap+regtest, but it
seems to give sensible results.