cond.md: Set condition flags properly throughout.

cond.md: Set condition flags properly throughout.

* config/m32c/cond.md: Set condition flags properly throughout.
* config/m32c/minmax.md: Likewise.
* config/m32c/prologue.md: Likewise.
* config/m32c/bitops.md: Likewise.
* config/m32c/muldiv.md: Likewise.
* config/m32c/mov.md: Likewise.
* config/m32c/addsub.md: Likewise.
* config/m32c/m32c.md: Likewise.
* config/m32c/jump.md: Likewise.
* config/m32c/shift.md: Likewise.

* config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
conditionally output the pattern for this.
* config/m32c/m32c.c (flags_needed_for_conditional): New.
(m32c_compare_redundant): New.
(m32c_output_compare): New.
* config/m32c/m32c-protos.h (m32c_output_compare): New.

* config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
dest, not src.  Allow other 4-byte modes.

From-SVN: r112591