[libc-commits] [libc] [libc][NFC] Unify `FPBits` implementations (PR #76033)

[Guillaume Chatelet via libc-commits]

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@@ -107,6 +114,14 @@ template <FPType fp_type> struct FPBitsCommon : private FPProperties<fp_type> {
   LIBC_INLINE constexpr bool is_zero() const {
     return (bits & EXP_SIG_MASK) == 0;
   }
+
+  LIBC_INLINE constexpr bool is_inf() const {
+    if constexpr (UP::ENCODING == FPEncoding::X86_ExtendedPrecision) {
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gchatelet wrote:

So as discussed off line, let's keep the specialization for `X86_Binary80` to prevent conflating the two implementations. Let's first submit patches up to and including f1b767dcdf453dd5b1beffbfc39c0ff8a5366916 and continue the review process on a different patch.

https://github.com/llvm/llvm-project/pull/76033