[clang] [llvm] [Clang][AArch64][SVE2p3][SME2p3] Add intrinsics for v9.7a add/add-and-subtract/subtract pairwise operations (PR #187527)

[via llvm-commits]

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@@ -1421,6 +1421,19 @@ defm SVMINP_S : SInstPairwise<"svminp",   "csli",         "aarch64_sve_sminp", [
 defm SVMINP_U : SInstPairwise<"svminp",   "UcUsUiUl",     "aarch64_sve_uminp", [VerifyRuntimeMode]>;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// SVE2.3 - Add pairwise within quadword vector segments
+
+let SVETargetGuard = "sve2p3|sme2p3", SMETargetGuard = "sve2p3|sme2p3" in {
+def SVADDQP   : SInst<"svaddqp[_{d}]", "ddd", "csilUcUsUiUl", MergeNone, "aarch64_sve_addqp",
+                    [VerifyRuntimeMode]>;
+def SVADDSUBP : SInst<"svaddsubp[_{d}]", "ddd", "csilUcUsUiUl", MergeNone, "aarch64_sve_addsubp",
+                    [VerifyRuntimeMode]>;
+def SVSUBP_M  : SInst<"svsubp[_{d}]", "dPdd", "csilUcUsUiUl", MergeOp1,  "aarch64_sve_subp", [VerifyRuntimeMode]>;
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CarolineConcatto wrote:

Can you check if we need to have a _u intrinsic like we have for  sub. Like there is: aarch64_sve_sub_u and aarch64_sve_sub
I can see that:
defm SVSUB    : SInstZPZZ<"svsub",  "csilUcUsUiUl", "aarch64_sve_sub",   "aarch64_sve_sub_u">;


https://github.com/llvm/llvm-project/pull/187527