[libc-commits] [libc] [libc][math][c23] Implement canonicalize functions (PR #85940)

[via libc-commits]

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@@ -570,6 +570,11 @@ def StdC : StandardSpec<"stdc"> {
           FunctionSpec<"nan", RetValSpec<DoubleType>, [ArgSpec<ConstCharPtr>]>,
           FunctionSpec<"nanl", RetValSpec<LongDoubleType>, [ArgSpec<ConstCharPtr>]>,
           GuardedFunctionSpec<"nanf128", RetValSpec<Float128Type>, [ArgSpec<ConstCharPtr>], "LIBC_TYPES_HAS_FLOAT128">,
+
+          FunctionSpec<"canonicalize", RetValSpec<IntType>, [ArgSpec<DoubleType>, ArgSpec<DoubleType>]>,
+          FunctionSpec<"canonicalizef", RetValSpec<IntType>, [ArgSpec<FloatType>, ArgSpec<FloatType>]>,
+          GuardedFunctionSpec<"canonicalizef128", RetValSpec<IntType>, [ArgSpec<Float128Type>, ArgSpec<Float128Type>]>,
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lntue wrote:

Add the guard `LIBC_TYPES_HAS_FLOAT128` at the end, similar to L572.

https://github.com/llvm/llvm-project/pull/85940