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.