[PATCH] D125415: [ARM64EC 4/?] Add LLVM support for varargs calling convention.

[Ana Pazos via Phabricator via llvm-commits]

apazos added inline comments.


================
Comment at: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:5851
+  if (Subtarget->isWindowsArm64EC())
+    NumGPRArgRegs = 4;
   unsigned FirstVariadicGPR = CCInfo.getFirstUnallocated(GPRArgRegs);
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You might want to add a comment that only x0-x3 are used for passing args


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125415/new/

https://reviews.llvm.org/D125415