This was found when building all configurations using the trunk
compiler. A run-of-the-mill problem with left shifting -1.
To make sure I didn't muck anything up badly, I went back to Kazu's
introduction of this pattern (2003), took his pseudo-code and turned it
into a trivial h8300
With the patch this time...
Forwarded Message
Subject: [PATCH] Fix undefined behavior in h8300 backend
Date: Mon, 21 Sep 2015 11:10:04 -0600
From: Jeff Law <l...@redhat.com>
To: gcc-patches@gcc.gnu.org
This was found when building all configurations using the trunk
co
