[PATCH] D151867: [Clang][RISCV] Make generic clz/ctz builtins defined for zero on RISCV targets.

[Yunze Zhu(Thead) via Phabricator via cfe-commits]

Yunzezhu added a comment.

In D151867#4398483 <https://reviews.llvm.org/D151867#4398483>, @asb wrote:

> Could you please post a separate patch that has a test that will show the codegen change (and demonstrate how it is unchanged when zbb or xtheadbb)?

Sure. I post a patch to demonstrate current codegen behavior for clz/ctz intrinsics when has ebb or xtheadbb: https://reviews.llvm.org/D152250.


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  https://reviews.llvm.org/D151867/new/

https://reviews.llvm.org/D151867