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

[Sander de Smalen via cfe-commits]

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@@ -1133,6 +1133,9 @@ typedef struct __ifunc_arg_t {
 #ifndef HWCAP2_SME_F64F64
 #define HWCAP2_SME_F64F64 (1 << 25)
 #endif
+#ifndef HWCAP2_SME_FA64
+#define HWCAP2_SME_FA64 (1 << 26)
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sdesmalen-arm wrote:

Where did you get the `1 << 26` from? I think it should be `30`.

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