This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/53986] missing vrp on bit-mask test, LSHIFT_EXPR not handled
- From: "vries at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 23 Jul 2012 06:29:51 +0000
- Subject: [Bug tree-optimization/53986] missing vrp on bit-mask test, LSHIFT_EXPR not handled
- Auto-submitted: auto-generated
- References: <bug-53986-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53986
--- Comment #2 from vries at gcc dot gnu.org 2012-07-23 06:29:51 UTC ---
> Btw, if the switch is not converted to a bit-test the path to link_error is
> also not removed by vrp, because it doesn't handle anti-ranges for switches
submitted patch for this:
http://gcc.gnu.org/ml/gcc-patches/2012-07/msg01056.html