[PATCH] D118730: Add option to copy to SSE registers instead of push/pop in X86 prolog/epilog

[Matthias Braun via Phabricator via llvm-commits]

MatzeB created this revision.
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WARNING: This is part of an experiment. It is NOT ready for real review/lading!

Add option to X86 prolog/epilog generation to copy values to SSE
registers instead of push/pop to stack when possible. This complements
the InlineSpiller changes to copy to SSE registers instead of spilling
(since prolog/epilog generation is a different code path).


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D118730

Files:
  llvm/lib/CodeGen/MachineCopyPropagation.cpp
  llvm/lib/Target/X86/X86FrameLowering.cpp

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