gcc/
* Makefile.in (target-globals.o): Depend on $(RTL_H).
* rtl.h: (target_rtl): New structure.
(default_target_rtl): Declare.
(this_target_rtl): Declare as a variable or define as a macro.
(global_rtl, pic_offset_table_rtx, return_address_pointer_rtx):
Redefine as macros.
* emit-rtl.c (default_target_rtl): New variable.
(this_target_rtl): New conditional variable.
(global_rtl, static_regno_reg_rtx, pic_offset_table_rtx)
(return_address_pointer_rtx): Delete.
(initial_regno_reg_rtx): New macro.
(init_emit): Use initial_regno_reg_rtx instead of static_regno_reg_rtx.
(init_emit_regs): Likewise.
* target-globals.h (this_target_rtl): Declare.
(target_globals): Add a rtl field.
(restore_target_globals): Copy the rtl field to this_target_rtl.
* target-globals.c: Include rtl.h.
(default_target_globals): Initialize the rtl field.
(save_target_globals): Likewise.
From-SVN: r162088
