[libc-commits] [libc] [libc][riscv] Check if we have F or D extension before using them (PR #79036)

[Nick Desaulniers via libc-commits]

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@@ -26,6 +26,7 @@
 namespace LIBC_NAMESPACE {
 namespace fputil {
 
+#if defined(__riscv_flen)
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nickdesaulniers wrote:

unless you have a more complex expression, stick with `#ifdef`

https://github.com/llvm/llvm-project/pull/79036