adding movz to machine description

[Ian Lance Taylor]

"Petar Bajic" <petar.bajic@micronasnit.com> writes:

> define_expand is used but instruction is not generated

...

> What do I have to do to make compiler use movsicc_movz when appropriate?

What do you mean when you say that the instruction is not generated?
Your code looks OK.  Look at the .expand debugging dump (use -da to
generate all the RTL debugging dump files); do you see the instruction
there?  If so, trace it forward to see what happens to it.

Ian