[PATCH] D158084: [AArch64] Stack probing for function prologues
Momchil Velikov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Aug 17 00:18:33 PDT 2023
chill added inline comments.
================
Comment at: llvm/lib/Target/AArch64/AArch64FrameLowering.cpp:1809
+ // This space doesn't need stack probing, because it will all be written to
+ // when saving the CSRs.
+ emitFrameOffset(
----------------
efriedma wrote:
> This comment doesn't sound right. Probing isn't just about making sure everything is probed before we leave the prologue; we also need to make sure probes are triggered in the correct order.
Yes, I'm planning to look at it.
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https://reviews.llvm.org/D158084/new/
https://reviews.llvm.org/D158084
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