(TARGET_CPU_arm*, TARGET_CPU_strongarm*, TARGET_CPU_generic):

define.
(CPP_ARCH_DEFAULT_SPEC): Set up based on setting of TARGET_CPU_DEFAULT.
(CPP_SPEC): Split up into sub-rule calls.
(CPP_CPU_SPEC): Add default definition.
(CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC): Add definitions.
(CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC): Add definitions.
(CPP_ENDIAN_SPEC, CPP_ENDIAN_DEFAULT_SPEC): Add definitions.
(CC1_SPEC): Map legacy -m[236] onto -mcpu=.. and -mapcs-{26,32} as
appropriate. Similarly for -mbe and -mle to -m{big,little}-endian.
(EXTRA_SPECS): Define.
(enum processor_type): New types for arm8 and strongarm.
(CONDITIONAL_REGISTER_USAGE): Handle flag_pic.
(LEGITIMIZE_ADDRESS): Likewise.
(ADJUST_COST): Define.
(PIC_OFFSET_TABLE_REGNUM): Define.
(FINALIZE_PIC): Define.
(LEGITIMATE_PIC_OPERAND_P): Define.
(OUTPUT_INT_ADDR_CONST): Define.
(ASM_OUTPUT_MI_THUNK): Delete calls to arm_increase_location.
(MASK_RETURN_ADDR): Use TARGET_APCS_32 not TARGET_6.

From-SVN: r14051