rs6000.c (constant_pool_expr_p): Make static and return bool.

rs6000.c (constant_pool_expr_p): Make static and return bool.

        * config/rs6000/rs6000.c (constant_pool_expr_p): Make static and
	return bool.
        (toc_relative_expr_p): Likewise.
        (SPE_CONST_OFFSET_OK): Move from rs6000.h.
        (legitimate_constant_pool_address_p): Move from rs6000.h, change
        into a function, downcase all users.
        (legitimate_small_data_p): Likewise.
        (legitimate_offset_address_p): Likewise.
        (legitimate_indexed_address_p): Likewise.
        (legitimate_indirect_address_p): Likewise.
        (legitimate_lo_sum_address_p): Likewise.
        (rs6000_mode_dependent_address): Likewise.
        * rs6000.h (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): Remove.
        (SPE_CONST_OFFSET_OK, LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
        LEGITIMATE_SMALL_DATA_P, LEGITIMATE_OFFSET_ADDRESS_P,
        LEGITIMATE_INDEXED_ADDRESS_P, LEGITIMATE_INDIRECT_ADDRESS_P,
        LEGITIMATE_LO_SUM_ADDRESS_P): Move into rs6000.c.
        (LEGITIMATE_ADDRESS_INTEGER_P): Remove.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Use rs6000_mode_dependent_address.
        * config/rs6000/rs6000-protos.h: Update.

From-SVN: r66445