[PATCH] D34474: [RFC] [AArch64] Add a win64 specific aarch64 calling convention, for va_list handling

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo updated this revision to Diff 104615.
mstorsjo edited the summary of this revision.
mstorsjo added a comment.

Updated to clarify that the windows arm64 calling convention actually differs from normal AAPCS when it comes to calling variadic functions. (Support for actually passing parameters that way is not yet implemented).

I also updated it to try to store the variadic arguments directly below the rest of the arguments on the stack, so that they will work seamlessly as one single array.


https://reviews.llvm.org/D34474

Files:
  include/llvm/IR/CallingConv.h
  lib/AsmParser/LLLexer.cpp
  lib/AsmParser/LLParser.cpp
  lib/AsmParser/LLToken.h
  lib/IR/AsmWriter.cpp
  lib/Target/AArch64/AArch64FrameLowering.cpp
  lib/Target/AArch64/AArch64ISelLowering.cpp
  lib/Target/AArch64/AArch64ISelLowering.h
  lib/Target/AArch64/AArch64Subtarget.h

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