[clang] [Clang][SME2] Add multi-vector add/sub builtins (PR #69725)

[Sander de Smalen via cfe-commits]

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@@ -1980,3 +1980,12 @@ def SVCNTP_COUNT : SInst<"svcntp_{d}", "n}i", "QcQsQiQl", MergeNone, "aarch64_sv
 
 defm SVREVD : SInstZPZ<"svrevd", "csilUcUsUiUl", "aarch64_sve_revd">;
 }
+
+////////////////////////////////////////////////////////////////////////////////
+// SME2
+
+let TargetGuard = "sme2" in {
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sdesmalen-arm wrote:

Can you add a comment here describing why we add SME2 intrinsics to the arm_sve.td file?

https://github.com/llvm/llvm-project/pull/69725