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[Bug tree-optimization/31130] [7/8 Regression] VRP no longer derives range for division after negation
- From: "matz at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 19 Nov 2018 19:52:45 +0000
- Subject: [Bug tree-optimization/31130] [7/8 Regression] VRP no longer derives range for division after negation
- Auto-submitted: auto-generated
- References: <bug-31130-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=31130
Michael Matz <matz at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |matz at gcc dot gnu.org
Summary|[7/8/9 Regression] VRP no |[7/8 Regression] VRP no
|longer derives range for |longer derives range for
|division after negation |division after negation
--- Comment #30 from Michael Matz <matz at gcc dot gnu.org> ---
As far as I can tell this is fixed in gcc-9 (and should be in gcc-8 as well).
Certainly all testcases herein are optimized as expected.