> For now I schedule Niagara3 like Niagara2, and that's pretty accurate. > Niagara4 will be a different beast scheduling wise, so I've left it > out of the chips niagara2.md matches. > > 2011-09-04 David S. Miller <da...@davemloft.net> > > * gcc/config/sparc/sparc-opts.h (PROCESSOR_NIAGARA3, > PROCESSOR_NIAGARA4): New. > * gcc/config/sparc/sparc.opt: Handle new processor types. > * gcc/config/sparc/sparc.md: Add to "cpu" attribute. > * gcc/config/sparc/sparc.h (TARGET_CPU_niagara3, > TARGET_CPU_niagara4): New, treat as niagara2. > * gcc/config/sparc/linux64.h: Handle niagara3 and niagara4 > like niagara2. > * gcc/config/sparc/sol2.h: Likewise. > * gcc/config/sparc/niagara2.md: Schedule niagara3 like > niagara2. > * gcc/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. > * gcc/config/sparc/driver-sparc.c (cpu_names): Use niagara3 > and niagara4 as appropriate. > * gcc/doc/invoke.texi: Document new processor types.
Great, thanks (superfluous gcc/ in the ChangeLog). No improvements to the SPARC port have been documented in http://gcc.gnu.org/gcc-4.7/changes.html yet, so I'm going to write something down. -- Eric Botcazou
