* config/mmix/mmix.h: Improve comments.
(CPP_SPEC, CPP_PREDEFINES): Don't define.
(TARGET_CPU_CPP_BUILTINS): Define.
(CANONICALIZE_COMPARISON): Don't define, replace with comment.
(PREDICATE_CODES) <"mmix_reg_or_8bit_or_256_operand">: Remove
unused predicate.
* config/mmix/mmix.c (MMIX_OUTPUT_REGNO): Add cast to avoid
compiler warning.
(mmix_constant_address_p): Remove another
redundant test before case.
(mmix_canonicalize_comparison): Remove unused function.
(mmix_print_operand_address): Don't test and adjust for operand in
non-canonical format.
(mmix_reg_or_8bit_or_256_operand): Remove unused predicate.
(mmix_gen_compare_reg): Don't use CANONICALIZE_COMPARISON.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54474 138bc75d-0d04-0410-961f-82ee72b054a4