[NDS32] Implment n9 pipeline.
gcc/
* config.gcc (nds32*): Add nds32-utils.o into extra_objs.
* config/nds32/nds32-n9-2r1w.md: New file.
* config/nds32/nds32-n9-3r2w.md: New file.
* config/nds32/nds32-opts.h (nds32_cpu_type, nds32_mul_type,
nds32_register_ports): New or modify for cpu n9.
* config/nds32/nds32-pipelines-auxiliary.c: Implementation for n9
pipeline.
* config/nds32/nds32-protos.h: More declarations for n9 pipeline.
* config/nds32/nds32-utils.c: New file.
* config/nds32/nds32.h (TARGET_PIPELINE_N9, TARGET_PIPELINE_SIMPLE,
TARGET_MUL_SLOW): Define.
* config/nds32/nds32.md (pipeline_model): New attribute.
* config/nds32/nds32.opt (mcpu, mconfig-mul, mconfig-register-ports):
New options that support cpu n9.
* config/nds32/pipelines.md: Include n9 settings.
* config/nds32/t-nds32 (nds32-utils.o): Add dependency.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@259218 138bc75d-0d04-0410-961f-82ee72b054a4
13 files changed: