================
@@ -141,6 +141,22 @@ enum NodeType : unsigned {
VALL_NONZERO,
VANY_NONZERO,
+ // Floating point approximate reciprocal operation
+ FRECIPE_S,
----------------
tangaac wrote:
We can't.
Each target-dependent ISD corresponds to a specific instruction in the backend.
Other instructions such as IOCSRRD, IOCSRWR have 4 different types of ISD:
```c++
IOCSRRD_B,
IOCSRRD_W,
IOCSRRD_H,
IOCSRRD_D,
IOCSRWR_B,
IOCSRWR_H,
IOCSRWR_W,
IOCSRWR_D,
```
https://github.com/llvm/llvm-project/pull/109917
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