[libclc] [libclc] replace float remquo with amd ocml implementation (PR #177131)

[Konrad Kleine via cfe-commits]

kwk wrote:

I ran into [this issue](https://github.com/llvm/llvm-project/pull/178143#issuecomment-3836603683).

```
cd /home/fedora/src/llvm-project/main/build/runtimes/runtimes-bins/libclc && /home/fedora/src/llvm-project/main/build/bin/clang-23 -c --target=spirv32-- -x ir -o /home/fedora/src/llvm-project/main/build/./lib/clang/23/lib/spirv32--/libclc.spv /home/fedora/src/llvm-project/main/build/runtimes/runtimes-bins/libclc/obj.libclc.dir/spirv-mesa3d-/builtins.link.spirv-mesa3d-.bc
fatal error: error in backend: unable to legalize instruction: %88:fid(s32) = G_FCANONICALIZE %87:fid (in function: _Z12__clc_remquoffPi)
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.      Program arguments: /home/fedora/src/llvm-project/main/build/bin/clang-23 -c --target=spirv32-- -x ir -o /home/fedora/src/llvm-project/main/build/./lib/clang/23/lib/spirv32--/libclc.spv /home/fedora/src/llvm-project/main/build/runtimes/runtimes-bins/libclc/obj.libclc.dir/spirv-mesa3d-/builtins.link.spirv-mesa3d-.bc
1.      Code generation
2.      Running pass 'Function Pass Manager' on module '/home/fedora/src/llvm-project/main/build/runtimes/runtimes-bins/libclc/obj.libclc.dir/spirv-mesa3d-/builtins.link.spirv-mesa3d-.bc'.
3.      Running pass 'Legalizer' on function '@_Z12__clc_remquoffPi'
```

https://github.com/llvm/llvm-project/pull/177131