This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/14495] [tree-ssa] Propagate range info into a switch statement
- From: "dnovillo at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 3 Jun 2005 13:55:45 -0000
- Subject: [Bug tree-optimization/14495] [tree-ssa] Propagate range info into a switch statement
- References: <20040309003513.14495.kazu@cs.umass.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From dnovillo at gcc dot gnu dot org 2005-06-03 13:55 -------
The issue is that the propagator engine does not implement the concept of
multiway branches taking some edges. It supports ONE, NONE or ALL.
Frankly, I'm not at all convinced that this is worth handling. But if we were
to handle it, the place to fix is the propagator engine.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14495