[PATCH] D117854: [RISCV] Refactor Zve* extensions.
Jianjian Guan via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Jan 21 20:06:13 PST 2022
jacquesguan added a comment.
In D117854#3261659 <https://reviews.llvm.org/D117854#3261659>, @craig.topper wrote:
> In D117854#3261618 <https://reviews.llvm.org/D117854#3261618>, @eopXD wrote:
>
>> A question that bothers me is that we need to specify a specific feature to enable the TARGET_BUILTIN for rvv, if we are removing the “subset” relationship here, how can V enable the builtin-s?
>
> If I remember right "experimental-zve32x|experimental-v" should be valid syntax. Though I'm not sure the string is used at all because of how the clang_builtin_alias used by the header works.
I modified the `RISCVISAInfo` and make this revision works for Clang.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D117854/new/
https://reviews.llvm.org/D117854
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