[llvm] [WebAssembly] Implement all f16x8 relation instructions. (PR #93751)

[Heejin Ahn via llvm-commits]

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@@ -103,3 +103,57 @@ define <8 x half> @pmax_intrinsic_v8f16(<8 x half> %a, <8 x half> %b) {
   %v = call <8 x half> @llvm.wasm.pmax.v8f16(<8 x half> %a, <8 x half> %b)
   ret <8 x half> %v
 }
+
+; CHECK-LABEL: compare_oeq_v8f16:
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aheejin wrote:

We have many more combination of `fcmp` that https://github.com/llvm/llvm-project/blob/main/llvm/test/CodeGen/WebAssembly/simd-comparisons.ll tests. Do we assume that the semantics are the same with them?

https://github.com/llvm/llvm-project/pull/93751