[PATCH] Fix generation of m32c target (PR 50928)

[Bernd Edlinger]

Hi DJ,

as discussed in the PR 50928, this patch fixes the generation of the m32c 
target,
and seems to be at least a major step in the right direction.

Successfully built a bare-metal cross-compiler for m32c-elf using binutils-2.25.

OK for trunk and/or 4.9?

Thanks
Bernd.
                                          
2015-01-21  Bernd Edlinger  <bernd.edlin...@hotmail.de>

        PR target/50928
        * config/m32c/m32c.c (encode_pattern_1): Removed gcc_unreachable here.
        (DEBUG_RELOAD): Removed define.
        (m32c_limit_reload_class): Enable traces with if DEBUG0.
        (m32c_function_arg): Added a type cast.
        (m32c_legitimize_reload_address): Push A_REGS reload with PSImode.
        * config/m32c/addsub.md (addsi3_1): Specify the mode of all arguments.
        * config/m32c/bitops.md (andqi3_16): Likewise.
        * config/m32c/mov.md (m32c_immd_dbl_mov): Likewise.
        (push_a01_l): Likewise.

patch-m32c.diff
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