[compiler-rt] [AArch64][compiler-rt] Add memcpy, memset, memmove, memchr simple imp… (PR #77496)

[Sander de Smalen via llvm-commits]

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@@ -41,6 +41,12 @@ asm(\".arch armv9-a+sme\");
 asm(\"smstart\");
 ")
 
+builtin_check_c_compiler_source(COMPILER_RT_HAS_AARCH64_SME
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sdesmalen-arm wrote:

Can you combine this with `COMPILER_RT_HAS_ASM_SME` and just have a single `COMPILER_RT_HAS_AARCH64_SME` ? That way we don't need to have two variables given that you're AND'ing the result later on anyway.

https://github.com/llvm/llvm-project/pull/77496