[clang] [llvm] [RISCV] Support spacemit vsmtvdotii extensions (PR #202533)

[Pengcheng Wang via cfe-commits]

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@@ -228,6 +228,7 @@
 // CHECK-NEXT:     xsifivecdiscarddlone 1.0       'XSiFivecdiscarddlone' (SiFive sf.cdiscard.d.l1 Instruction)
 // CHECK-NEXT:     xsifivecflushdlone   1.0       'XSiFivecflushdlone' (SiFive sf.cflush.d.l1 Instruction)
 // CHECK-NEXT:     xsmtvdot             1.0       'XSMTVDot' (SpacemiT Vector Dot Product Extension)
+// CHECK-NEXT:     xsmtvdotii           1.0       'XSMTVDotII' (SpacemiT Vector Extension for Matrix(2.0))
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wangpc-pp wrote:

Ditto.

https://github.com/llvm/llvm-project/pull/202533