[clang] [AArch64] Update SVE untyped intrinsics to have FP8 variants (PR #123585)

[Momchil Velikov via cfe-commits]

================
@@ -2280,15 +2280,15 @@ let SVETargetGuard = "sve2p1", SMETargetGuard = "sme2" in {
 
 let SVETargetGuard = "sve2p1", SMETargetGuard = InvalidMode in {
   // ZIPQ1, ZIPQ2, UZPQ1, UZPQ2
-  def SVZIPQ1 : SInst<"svzipq1[_{d}]", "ddd", "cUcsUsiUilUlbhfd", MergeNone, "aarch64_sve_zipq1", [], []>;
-  def SVZIPQ2 : SInst<"svzipq2[_{d}]", "ddd", "cUcsUsiUilUlbhfd", MergeNone, "aarch64_sve_zipq2", [], []>;
-  def SVUZPQ1 : SInst<"svuzpq1[_{d}]", "ddd", "cUcsUsiUilUlbhfd", MergeNone, "aarch64_sve_uzpq1", [], []>;
-  def SVUZPQ2 : SInst<"svuzpq2[_{d}]", "ddd", "cUcsUsiUilUlbhfd", MergeNone, "aarch64_sve_uzpq2", [], []>;
+  def SVZIPQ1 : SInst<"svzipq1[_{d}]", "ddd", "cUcsUsiUilUlbhfdm", MergeNone, "aarch64_sve_zipq1", [], []>;
+  def SVZIPQ2 : SInst<"svzipq2[_{d}]", "ddd", "cUcsUsiUilUlbhfdm", MergeNone, "aarch64_sve_zipq2", [], []>;
+  def SVUZPQ1 : SInst<"svuzpq1[_{d}]", "ddd", "cUcsUsiUilUlbhfdm", MergeNone, "aarch64_sve_uzpq1", [], []>;
+  def SVUZPQ2 : SInst<"svuzpq2[_{d}]", "ddd", "cUcsUsiUilUlbhfdm", MergeNone, "aarch64_sve_uzpq2", [], []>;
   // TBLQ, TBXQ
-  def SVTBLQ : SInst<"svtblq[_{d}]", "ddu", "cUcsUsiUilUlbhfd", MergeNone, "aarch64_sve_tblq">;
-  def SVTBXQ : SInst<"svtbxq[_{d}]", "dddu", "cUcsUsiUilUlbhfd", MergeNone, "aarch64_sve_tbxq">;
+  def SVTBLQ : SInst<"svtblq[_{d}]", "ddu", "cUcsUsiUilUlbhfdm", MergeNone, "aarch64_sve_tblq">;
+  def SVTBXQ : SInst<"svtbxq[_{d}]", "dddu", "cUcsUsiUilUlbhfdm", MergeNone, "aarch64_sve_tbxq">;
   // EXTQ
-  def EXTQ : SInst<"svextq[_{d}]", "dddk", "cUcsUsiUilUlbhfd", MergeNone, "aarch64_sve_extq", [], [ImmCheck<2, ImmCheckLaneIndex, 0>]>;
+  def EXTQ : SInst<"svextq[_{d}]", "dddk", "cUcsUsiUilUlbhfdm", MergeNone, "aarch64_sve_extq", [], [ImmCheck<2, ImmCheckLaneIndex, 0>]>;
----------------
momchil-velikov wrote:

The `m` typespec has to to be encoded as `mf8` in the intrinsic name (that `{d}` prototype modifier),
not `mfp8`.
This line needs fixing: https://github.com/llvm/llvm-project/blob/af91372b75613d5654e68d393477e8621cb93da7/clang/utils/TableGen/SveEmitter.cpp#L1053

(I've already fixed it for Neon).

https://github.com/llvm/llvm-project/pull/123585