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gcc/ * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM. (INCOMING_RETURN_ADDR_RTX): Likewise. (FUNCTION_PROFILER): Likewise. Replace GP_REG_FIRST + 1 with AT_REGNUM. * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM. (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise. * config/mips/mips.c (mips16_build_call_stub): Replace GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1 with AT_REGNUM and 31 with RETURN_ADDR_REGNUM. (mips_print_operand_punctuation): Likewise. (mips_frame_set): Likewise. (mips16e_output_save_restore): Likewise. (mips_cfun_might_clobber_call_saved_reg_p): Likewise. (mips_save_reg_p): Likewise. (mips_return_addr): Likewise. (mips_set_return_address): Likewise. (mips_direct_save_slot_move_p): Likewise. (mips_output_function_prologue): Likewise. (mips_restore_reg): Likewise. (mips_expand_epilogue): Likewise. (mips_epilogue_uses): Likewise. * config/mips/mips.md (RETURN_ADD_REGNUM): Define. (*mov<mode>_ra): Use it instead of a hard-coded 31. (clear_hazard_<mode>): Likewise. (call_internal): Likewise. (call_internal_direct): Likewise. (call_direct_split): Likewise. (call_value_internal): Likewise. (call_value_split): Likewise. (call_value_internal_direct): Likewise. (call_value_direct_split): Likewise. (call_value_multiple_internal): Likewise. (call_value_multiple_split): Likewise. From-SVN: r152465
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