* m32c.cpu (Imm-8-s4n, Imm-12-s4n): New.

(arith-jnz16-imm4-dst-defn, arith-jnz32-imm4-dst-defn,
arith-jnz-imm4-dst-mach, arith-jnz-imm4-dst): Keep track of which
imm operand is needed.
(adjnz, sbjnz): Pass the right operands.
(unary-insn-defn, unary16-defn, unary32-defn, unary-insn-mach,
unary-insn): Add -g variants for opcodes that need to support :G.
(not.BW:G, push.BW:G): Call it.
(stzx16-imm8-imm8-dsp8sb, stzx16-imm8-imm8-dsp8fb,
stzx16-imm8-imm8-abs16): Fix operand typos.
* m32c.opc (m32c_asm_hash): Support bnCND.
(parse_signed4n, print_signed4n): New.

* m32c-asm.c: Regenerate.
* m32c-desc.c: Regenerate.
* m32c-desc.h: Regenerate.
* m32c-dis.c: Regenerate.
* m32c-ibld.c: Regenerate.
* m32c-opc.c: Regenerate.
* m32c-opc.h: Regenerate.