[clang] [llvm] [X86] Add ACE v1 (AI Compute Extensions) support (PR #208408)

[via cfe-commits]

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@@ -5678,6 +5678,204 @@ let TargetPrefix = "x86" in {
                           []>;
 }
 
+//===----------------------------------------------------------------------===//
+// ACE (AI Compute Extensions) Intrinsics
+//===----------------------------------------------------------------------===//
+let TargetPrefix = "x86" in {
+  // BSRINIT - Initialize Block Scale Register
+  def int_x86_bsrinit : ClangBuiltin<"__builtin_ia32_bsrinit">,
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mahesh-attarde wrote:

Spec often mentions "future work" and "implementation work". It would be good to include namespace `llvm.x86.acev1.` 

https://github.com/llvm/llvm-project/pull/208408