[libc-commits] [libc] [libc][stdfix] Implement fixed point fxbits functions in llvm-libc (PR #114912)

[Nick Desaulniers via libc-commits]

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@@ -47,6 +60,19 @@ def StdcExt : StandardSpec<"stdc_ext"> {
           GuardedFunctionSpec<"rounduhk", RetValSpec<UnsignedShortAccumType>, [ArgSpec<UnsignedShortAccumType>, ArgSpec<IntType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
           GuardedFunctionSpec<"rounduk", RetValSpec<UnsignedAccumType>, [ArgSpec<UnsignedAccumType>, ArgSpec<IntType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
           GuardedFunctionSpec<"roundulk", RetValSpec<UnsignedLongAccumType>, [ArgSpec<UnsignedLongAccumType>, ArgSpec<IntType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+
+          GuardedFunctionSpec<"hrbits", RetValSpec<ShortFractType>, [ArgSpec<IntHrT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+          GuardedFunctionSpec<"rbits", RetValSpec<FractType>, [ArgSpec<IntRT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+          GuardedFunctionSpec<"lrbits", RetValSpec<LongFractType>, [ArgSpec<IntLrT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+          GuardedFunctionSpec<"hkbits", RetValSpec<ShortAccumType>, [ArgSpec<IntHkT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+          GuardedFunctionSpec<"kbits", RetValSpec<AccumType>, [ArgSpec<IntKT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+          GuardedFunctionSpec<"lkbits", RetValSpec<LongAccumType>, [ArgSpec<IntLkT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+          GuardedFunctionSpec<"uhrbits", RetValSpec<UnsignedShortFractType>, [ArgSpec<UIntUhrT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+          GuardedFunctionSpec<"urbits", RetValSpec<UnsignedFractType>, [ArgSpec<UIntUrT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+          GuardedFunctionSpec<"ukbits", RetValSpec<UnsignedAccumType>, [ArgSpec<UIntUkT>], "LIBC_COMPILER_HAS_FIXED_POINT">
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nickdesaulniers wrote:

0b07aaec38eaae0885c6f05b4bb1ef62cc3fe004

https://github.com/llvm/llvm-project/pull/114912