[RISCV] Add SiFiveP600Model SchedModel that is used by sifive-p670

michaelmaitland · michaelmaitland · commit 40cfb5b70b7f · 2024-03-12T11:08:18.000-07:00
This changeset includes an initial scheduler model shows improvement on spec2017
over NoSchedModel for sifive-p670. We plan on making signfificant changes to
this model in the future.
diff --git a/llvm/lib/Target/RISCV/RISCV.td b/llvm/lib/Target/RISCV/RISCV.td
@@ -43,6 +43,7 @@ include "RISCVMacroFusion.td"
 include "RISCVSchedRocket.td"
 include "RISCVSchedSiFive7.td"
 include "RISCVSchedSiFiveP400.td"
+include "RISCVSchedSiFiveP600.td"
 include "RISCVSchedSyntacoreSCR1.td"
 include "RISCVSchedXiangShanNanHu.td"
 
diff --git a/llvm/lib/Target/RISCV/RISCVProcessors.td b/llvm/lib/Target/RISCV/RISCVProcessors.td
@@ -245,7 +245,7 @@ def SIFIVE_P450 : RISCVProcessorModel<"sifive-p450", SiFiveP400Model,
                                        TuneLUIADDIFusion,
                                        TuneAUIPCADDIFusion]>;
 
-def SIFIVE_P670 : RISCVProcessorModel<"sifive-p670", NoSchedModel,
+def SIFIVE_P670 : RISCVProcessorModel<"sifive-p670", SiFiveP600Model,
                                       [Feature64Bit,
                                        FeatureStdExtZifencei,
                                        FeatureStdExtM,
diff --git a/llvm/lib/Target/RISCV/RISCVSchedSiFiveP600.td b/llvm/lib/Target/RISCV/RISCVSchedSiFiveP600.td
