+ * config/sparc/sparc-opts.h (PROCESSOR_NIAGARA3,
+ PROCESSOR_NIAGARA4): New.
+ * config/sparc/sparc.opt: Handle new processor types.
+ * config/sparc/sparc.md: Add to "cpu" attribute.
+ * config/sparc/sparc.h (TARGET_CPU_niagara3,
+ TARGET_CPU_niagara4): New, treat as niagara2.
+ * config/sparc/linux64.h: Handle niagara3 and niagara4
+ like niagara2.
+ * config/sparc/sol2.h: Likewise.
+ * config/sparc/niagara2.md: Schedule niagara3 like
+ niagara2.
+ * config/sparc/sparc.c (sparc_option_override): Add
+ niagara3 and niagara4 handling.
+ (sparc32_initialize_trampoline): Likewise.
+ (sparc64_initialize_trampoline): Likewise.
+ (sparc_use_sched_lookahead): Likewise.
+ (sparc_issue_rate): Likewise.
+ (sparc_register_move_cost): Likewise.
+ * config/sparc/driver-sparc.c (cpu_names): Use niagara3
+ and niagara4 as appropriate.
+ * doc/invoke.texi: Document new processor types.
+