[llvm] [X86] Surpport APX promoted RAO-INT and MOVBE instructions (PR #77431)

[Shengchen Kan via llvm-commits]

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@@ -229,7 +229,7 @@ def PUSHA16  : I<0x60, RawFrm, (outs), (ins), "pushaw", []>,
                OpSize16, Requires<[Not64BitMode]>;
 }
 
-let Constraints = "$src = $dst", SchedRW = [WriteBSWAP32] in {
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KanRobert wrote:

We should use NoNDD here from semantic.

https://github.com/llvm/llvm-project/pull/77431