[PATCH] D79084: [VE] Dynamic stack allocation

[Kazushi Marukawa via Phabricator via llvm-commits]

kaz7 added a comment.

In D79084#2024595 <https://reviews.llvm.org/D79084#2024595>, @simoll wrote:

> - use standard C CC for grow_stack builtins.


@simoll @arsenm

Sorry for late reply.  I originally want to use it's own calling convention to allow caller to not spill registers since many program may call this function to grow their stack.  Is it not acceptable in general?  Or it's OK if there is a reason?

It's OK to upstreaming C CC as a first step.  I would like to know what we should do to improve the performance of alloca or dynamic stack allocation in C++.  Thanks!


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https://reviews.llvm.org/D79084