| Issue |
130424
|
| Summary |
s390x: `vfchsbs` and `vfchesbs` error with only `+vector`
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
folkertdev
|
These LLVM functions should implement the semantics of float compare (even if they are inefficient).
https://godbolt.org/z/38PYEWW77
Most of the functions do indeed emulate for `vector_float` when only `vector` (and not `vector-enhancements-1` is available, but these don't.
```
rustc-LLVM ERROR: Cannot select: 0x7da6699a12a0: v4f32,i32 = SystemZISD::VFCMPHS 0x7da6699a1070, 0x7da6699a1150, example.rs:37:5
0x7da6699a1070: v4f32,ch = CopyFromReg 0x7da669811520, Register:v4f32 %0
0x7da6699a1000: v4f32 = Register %0
0x7da6699a1150: v4f32,ch = CopyFromReg 0x7da669811520, Register:v4f32 %1
0x7da6699a10e0: v4f32 = Register %1
In function: vec_float_compare
```
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