[PATCH] D154576: [RISCV] RISCV vector calling convention (1/2)

[Lehua Ding via Phabricator via cfe-commits]

lhtin added a comment.

In D154576#4476300 <https://reviews.llvm.org/D154576#4476300>, @4vtomat wrote:

> In D154576#4476291 <https://reviews.llvm.org/D154576#4476291>, @craig.topper wrote:
>
>> Does this only change the calling convention when `__attribute__((riscv_vector_cc))` is used? The attribute should be mentioned in the patch description.
>
> Yes it only changes when `__attribute__((riscv_vector_cc))` is used, thanks for reminding, I will mention in the description.

In addition to using attributes, functions that use vector registers to pass arguments or return values also need to comply with the new calling convention.


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https://reviews.llvm.org/D154576