* config/arm/arm.h (struct machine_function): Remove ra_rtx.
* config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
(arm_return_addr): Use get_hard_reg_initial_val et al.
* config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
* config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
(d30v_return_addr): Use get_hard_reg_initial_val et al.
* config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
* config/rs6000/rs6000.c (rs6000_override_options): Don't set
mark_machine_status.
(rs6000_mark_machine_status): Remove.
(rs6000_return_addr): Use get_hard_reg_initial_val.
(rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
* config/v850/v850.h (INIT_EXPANDERS): Delete.
* config/v850/v850.c (struct machine_function): Delete.
(v850_init_machine_status): Delete.
(v850_mark_machine_status): Delete.
(v850_free_machine_status): Delete.
(v850_return_addr): Use get_hard_reg_initial_val.
(v850_init_expanders): Delete.

From-SVN: r43507