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* config/mmix/mmix.h (MMIX_LAST_STACK_REGISTER_REGNUM): Renamed from MMIX_LAST_REGISTER_FILE_REGNUM. (NO_IMPLICIT_EXTERN_C): Remove cryptic obsolete comment. (struct machine_function): New member highest_saved_stack_register previously static variable in mmix.c. (MACHINE_DEPENDENT_REORG): Define. * config/mmix/mmix.c (highest_saved_stack_register): Deleted. (MMIX_OUTPUT_REGNO): New. (mmix_target_asm_function_prologue): Move calculation of last used saved-stack-register into... (mmix_machine_dependent_reorg): New function. Update to also handle !TARGET_ABI_GNU. (mmix_print_operand): Apply MMIX_OUTPUT_REGNO when emitting register names, simplify somewhat by new variable regno. <case 'p'>: Remove fixed FIXME. Always emit highest used saved register. (mmix_print_operand_address): Apply MMIX_OUTPUT_REGNO when emitting register names. (mmix_asm_output_reg_push, mmix_asm_output_reg_pop): Ditto. (mmix_dbx_register_number): Apply MMIX_OUTPUT_REGNO here too. Remove fixed FIXME. * config/mmix/mmix-protos.h (mmix_machine_dependent_reorg): Declare. * config/mmix/mmix.md ("divmoddi4"): Update head comment. From-SVN: r52966
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