[clang] [X86][Clang] VectorExprEvaluator::VisitCallExpr / InterpretBuiltin - allow SSE/AVX COMI/UCOMI/CMPS/CMPP fp comparison intrinsics to be used in constexpr (PR #182589)

[Simon Pilgrim via cfe-commits]

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@@ -6662,6 +6724,204 @@ bool InterpretBuiltin(InterpState &S, CodePtr OpPC, const CallExpr *Call,
           return llvm::maximum(A, B);
         });
 
+  case X86::BI__builtin_ia32_comieq:
+  case X86::BI__builtin_ia32_ucomieq:
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RKSimon wrote:

why no ordered/unordered test diffs for comi vs ucomi?

https://github.com/llvm/llvm-project/pull/182589