The change for pr111267 twiddled code generation for sh/pr59533-1.c

We end up eliminating two comparisons, but require two shll instructions 
to do so.  And in a couple places we're using an addc sequence rather 
than a subc sequence.   This patch adjusts the expected codegen for the 
test as all those are either a wash or a

The fwprop change does cause some code regressions on the same test. 
I'll file a distinct but for that issue.

Pushed to the trunk,

Jeff