[clang] [llvm] [AArch64] Implement intrinsics for FP8 SME FMLAL/FMLALL (multi) (PR #119546)

[Jonathan Thackray via llvm-commits]

================
@@ -827,11 +827,21 @@ let SMETargetGuard = "sme-lutv2" in {
 let SMETargetGuard = "sme-f8f32" in {
   def SVMOPA_FP8_ZA32 : Inst<"svmopa_za32[_mf8]_m_fpm", "viPPdd>", "m", MergeNone, "aarch64_sme_fp8_fmopa_za32",
                              [IsStreaming, IsInOutZA, SetsFPMR, IsOverloadNone], [ImmCheck<0, ImmCheck0_3>]>;
+  // FMLALL (mutliple)
+  def SVMLA_FP8_MULTI_ZA32_VG4x2 : Inst<"svmla_za32[_mf8]_vg4x2_fpm", "vm22>", "m", MergeNone, "aarch64_sme_fp8_fmlall_multi_za32_vg4x2",
+                                        [IsStreaming, IsInOutZA, SetsFPMR, IsOverloadNone], []>;
+  def SVMLA_FP8_MULTI_ZA32_VG4x4 : Inst<"svmla_za32[_mf8]_vg4x4_fpm", "vm44>", "m", MergeNone, "aarch64_sme_fp8_fmlall_multi_za32_vg4x4",
+                                        [IsStreaming, IsInOutZA, SetsFPMR, IsOverloadNone], []>;
 }
 
 let SMETargetGuard = "sme-f8f16" in {
   def SVMOPA_FP8_ZA16 : Inst<"svmopa_za16[_mf8]_m_fpm", "viPPdd>", "m", MergeNone, "aarch64_sme_fp8_fmopa_za16",
                              [IsStreaming, IsInOutZA, SetsFPMR, IsOverloadNone], [ImmCheck<0, ImmCheck0_1>]>;
+  // FMLAL (mutliple)
----------------
jthackray wrote:

```suggestion
  // FMLAL (multiple)
```

https://github.com/llvm/llvm-project/pull/119546