[llvm] [Hexagon] Refresh stack aligna after late HVX spill (PR #204660)

[via llvm-commits]

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@@ -599,6 +599,19 @@ void HexagonFrameLowering::insertPrologueInBlock(MachineBasicBlock &MBB,
 
   bool AlignStack = (MaxAlign > getStackAlign());
 
+  // PS_aligna was emitted during instruction selection with the MaxAlign known
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L-roro wrote:

Thank you for your time. I will have a look at this again and then come back.

https://github.com/llvm/llvm-project/pull/204660