[llvm] Add FPMR register and update dependencies of FP8 instructions (PR #102910)

[via llvm-commits]

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@@ -10137,7 +10137,7 @@ let Predicates = [HasD128] in {
 // 2023 Architecture Extensions:
 //===----------------------------===//
 
-let Predicates = [HasFP8] in {
+let Uses=[FPMR, FPCR], Predicates = [HasFP8] in {
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Lukacma wrote:

Done

https://github.com/llvm/llvm-project/pull/102910