[clang] [llvm] [RISCV] Add processor definition for SpacemiT-X60 (PR #94564)

[Philip Reames via llvm-commits]

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@@ -381,3 +381,20 @@ def XIANGSHAN_NANHU : RISCVProcessorModel<"xiangshan-nanhu",
                                             TuneZExtHFusion,
                                             TuneZExtWFusion,
                                             TuneShiftedZExtWFusion]>;
+
+def SPACEMIT_X60 : RISCVProcessorModel<"spacemit-x60",
+                                       NoSchedModel,
+                                       !listconcat(RVA22S64Features,
+                                       [FeatureStdExtV,
+                                        FeatureStdExtSvnapot,
+                                        FeatureStdExtZbc,
+                                        FeatureStdExtZbkc,
+                                        FeatureStdExtZfh,
+                                        FeatureStdExtZicond,
+                                        FeatureStdExtZmmul,
+                                        FeatureStdExtZvfh,
+                                        FeatureStdExtZvfhmin,
+                                        FeatureStdExtZvl32b,
+                                        FeatureStdExtZvl64b,
+                                        FeatureStdExtZvl128b,
+                                        FeatureStdExtZvl256b])>;
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preames wrote:

Zvl256 implies Zvl32 through Zvl128, so those don't need to be explicitly repeated.

Per the docs, the actual execution width is 128 bit so we could add [TuneDLenFactor2] to the tuning list.

https://github.com/llvm/llvm-project/pull/94564