[compiler-rt] [llvm] [clang] [AArch64][SME] Add support for sme-fa64 (PR #70809)

[Pavel Iliin via cfe-commits]

================
@@ -293,6 +295,7 @@ inline constexpr ExtensionInfo Extensions[] = {
     {"sme-lutv2", AArch64::AEK_SME_LUTv2, "+sme-lutv2", "-sme-lutv2", FEAT_INIT, "", 0},
     {"sme-f8f16", AArch64::AEK_SMEF8F16, "+sme-f8f16", "-sme-f8f16", FEAT_INIT, "+sme2,+fp8", 0},
     {"sme-f8f32", AArch64::AEK_SMEF8F32, "+sme-f8f32", "-sme-f8f32", FEAT_INIT, "+sme2,+fp8", 0},
+    {"sme-fa64",  AArch64::AEK_SMEFA64,  "+sme-fa64",  "-sme-fa64",  FEAT_INIT, "+sme,+sve2,+simd", 0},
----------------
ilinpv wrote:

No need for "+sme,+sve2,+simd" mapping if feature is not in FMV list.

https://github.com/llvm/llvm-project/pull/70809