Hi,

The attached patch generalizes the move insn displacement calculations a
little bit.  Before, the same address rebasing code was present in
sh_legitimize_address as well as sh_legitimize_reload_address.  I've
pulled those out into a separate function as a preparation step for
adding HImode displacement addressing support.

Tested by doing 'make all' (c,c++), compiling newlib and by making sure
that for the following variants the CSiBE set code size did not change:

-m2a-single -mb -O2, -m2a-single -mb -Os,
-m4a-single -mb -O2, -m4a-single -mb -Os,
-m4a-single -ml -O2, -m4a-single -ml -Os,
-m4-single -mb -O2, -m4-single -mb -Os,
-m4-single -ml -O2, -m4-single -ml -Os

I'm now also running the usual reg tests on sh-sim, just in case.
Other than that, OK?

Cheers,
Oleg


ChangeLog:

	PR target/50751
	* config/sh/sh.c (sh_legitimize_address,
	sh_legitimize_reload_address):  Rearrange conditional logic.
	Move displacement address calculations to ...
	(sh_find_mov_disp_adjust): ... this new function.