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

[Shao-Ce SUN via cfe-commits]

================
@@ -381,3 +381,20 @@ def XIANGSHAN_NANHU : 
RISCVProcessorModel<"xiangshan-nanhu",
                                             TuneZExtHFusion,
                                             TuneZExtWFusion,
                                             TuneShiftedZExtWFusion]>;
+
+def SPACEMIT_X60 : RISCVProcessorModel<"spacemit-x60",
+                                       NoSchedModel,
+                                       !listconcat(RVA22S64Features,
+                                       [FeatureStdExtV,
+                                        FeatureStdExtSscofpmf,
+                                        FeatureStdExtSstc,
+                                        FeatureStdExtSvnapot,
+                                        FeatureStdExtZbc,
+                                        FeatureStdExtZbkc,
+                                        FeatureStdExtZfh,
+                                        FeatureStdExtZicond,
+                                        FeatureStdExtZmmul,
----------------
sunshaoce wrote:

Generated `"-target-feature" "-zmmul"` in `clang/test/Driver/riscv-cpus.c`.
It seems that M imply Zmmul is not supported yet.
https://github.com/llvm/llvm-project/pull/95070

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