[clang] [llvm] [RISCV] Add SpacemiT XSMTVDot (SpacemiT Vector Dot Product) extension. (PR #151706)

[Jim Lin via cfe-commits]

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@@ -1642,6 +1642,14 @@ def HasVendorXAndesVDot
       AssemblerPredicate<(all_of FeatureVendorXAndesVDot),
                          "'XAndesVDot' (Andes Vector Dot Product Extension)">;
 
+def FeatureVendorXSMTVDot
+    : RISCVExtension<1, 0, "SpacemiT Vector Dot Product Extension",
+                     [FeatureStdExtV]>;
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tclin914 wrote:

Is Zve32f sufficient for this extension?

https://github.com/llvm/llvm-project/pull/151706
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