* genemit.c (main): Add tm-constrs.h to included headers.
        * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
        * genpeep.c (main): Add tm-constrs.h to included headers.
        * genpreds.c (write_satisfies_constraint_fns): Rename to ...
        (write_tm_constrs_h): this and write complete file.
        (write_tm_preds_h): Do not emit satisfies_constraint fns.
        (write_insn_preds_c): Add tm-constrs.h to included headers.
        (gen_constrs): New variable.
        (parse_option): Parse "-c".
        (main): Invoke write_tm_constrs_h.
        * genrecog.c (write_header): Add tm-constrs.h to included headers.
        * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
        (object_out_file): Add tm-constrs.h dependency.
        (insn-emit.o): Same.
        (insn-output.o): Same.
        (insn-peep.o): Same.
        (insn-preds.o): Same.
        (insn-recog.o): Same.
        (tm-constsr.h): New target.
        (s-constrs-h): New target.

        * config/rs6000/constraints.md: New file.
        * config/rs6000/rs6000.c: Include tm-constrs.h.
        (num_insn_constant_wide): Convert to satisfies_constraint.
        (rs6000_rtx_costs): Convert to satisfies_constraint.
        * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
        (CONST_OK_FOR_LETTER_P): Delete.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
        (EXTRA_CONSTRAINT): Delete.
        (EXTRA_MEMORY_CONSTRAINT): Delete.
        (EXTRA_ADDRESS_CONSTRAINT): Delete.
        * config/rs6000/predicates.md: Convert to satisfies_constraint.
        * config/rs6000/rs6000.md: Include constraints.md.  Convert to
        satisfies_constraint.

        * config/i386/i386.c: Include tm-constrs.h.

From-SVN: r112508