[libc-commits] [libc] [libc] Make sure we have RISC-V f or d extension before using it (PR #104476)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Petr Hosek (petrhosek)

<details>
<summary>Changes</summary>

This matches what we do for other architectures.

---
Full diff: https://github.com/llvm/llvm-project/pull/104476.diff


1 Files Affected:

- (modified) libc/src/__support/FPUtil/FEnvImpl.h (+1-1) 


``````````diff
diff --git a/libc/src/__support/FPUtil/FEnvImpl.h b/libc/src/__support/FPUtil/FEnvImpl.h
index 4bb31a6f4c426c..1c5a1108ff9e0b 100644
--- a/libc/src/__support/FPUtil/FEnvImpl.h
+++ b/libc/src/__support/FPUtil/FEnvImpl.h
@@ -31,7 +31,7 @@
 #include "x86_64/FEnvImpl.h"
 #elif defined(LIBC_TARGET_ARCH_IS_ARM) && defined(__ARM_FP)
 #include "arm/FEnvImpl.h"
-#elif defined(LIBC_TARGET_ARCH_IS_ANY_RISCV)
+#elif defined(LIBC_TARGET_ARCH_IS_ANY_RISCV) && defined(__riscv_flen)
 #include "riscv/FEnvImpl.h"
 #else
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/104476