[libc-commits] [libc] [libc][math][c23] Temporarily disable float16 on RISC-V (PR #94984)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: OverMighty (overmighty)

<details>
<summary>Changes</summary>

See Buildbot failures:

- https://lab.llvm.org/buildbot/#/builders/257/builds/13450
- https://lab.llvm.org/buildbot/#/builders/256/builds/14531


---
Full diff: https://github.com/llvm/llvm-project/pull/94984.diff


1 Files Affected:

- (modified) libc/include/llvm-libc-macros/float16-macros.h (+2-1) 


``````````diff
diff --git a/libc/include/llvm-libc-macros/float16-macros.h b/libc/include/llvm-libc-macros/float16-macros.h
index 9f17503d85130..3f819ad53df71 100644
--- a/libc/include/llvm-libc-macros/float16-macros.h
+++ b/libc/include/llvm-libc-macros/float16-macros.h
@@ -10,7 +10,8 @@
 #define LLVM_LIBC_MACROS_FLOAT16_MACROS_H
 
 #if defined(__FLT16_MANT_DIG__) &&                                             \
-    (!defined(__GNUC__) || __GNUC__ >= 13 || defined(__clang__))
+    (!defined(__GNUC__) || __GNUC__ >= 13 || defined(__clang__)) &&            \
+    !defined(__riscv)
 #define LIBC_TYPES_HAS_FLOAT16
 #endif
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/94984