[llvm-branch-commits] [clang] [llvm] [AArch64][llvm] Armv9.7-A: Add support for SVE2p3 arithmetic operations (PR #163160)

[via llvm-branch-commits]

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@@ -4615,6 +4615,24 @@ let Predicates = [HasSVE2p2_or_SME2p2] in {
   defm REVD_ZPzZ : sve_int_perm_rev_revd_z<"revd", AArch64revd_mt>;
 } // End HasSME2p2orSVE2p2
 
+
+//===----------------------------------------------------------------------===//
+// SME2.3 or SVE2.3 instructions
+//===----------------------------------------------------------------------===//
+let Predicates = [HasSVE2p3_or_SME2p3] in {
+  // SVE2 Add pairwise within quadword vector segments (unpredicated)
+  defm ADDQP_ZZZ     : sve2_int_mul<0b110, "addqp",   null_frag>;
+
+  // SVE2 Add subtract/subtract pairwise
+  defm ADDSUBP_ZZZ   : sve2_int_mul<0b111, "addsubp", null_frag>;
+  defm SUBP_ZPmZ     : sve2_int_arith_pred<0b100001, "subp", null_frag>;
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CarolineConcatto wrote:

s/SUBP_ZPmZ/SUBP_ZPmZZ/g

https://github.com/llvm/llvm-project/pull/163160