[llvm] [RISCV] Add +optimized-nfN-segment-load-store (PR #114414)

[Craig Topper via llvm-commits]

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@@ -1386,6 +1386,13 @@ def TuneOptimizedZeroStrideLoad
                       "true", "Optimized (perform fewer memory operations)"
                       "zero-stride vector load">;
 
+foreach nf = {2-8} in
+  def TuneOptimizedNF#nf#SegmentLoadStore :
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topperc wrote:

Isn't the limit 5*64 or 320?

https://github.com/llvm/llvm-project/pull/114414