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

[Michael Jones via libc-commits]

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@@ -0,0 +1,19 @@
+//===-- Implementation of lkbits function ---------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lkbits.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(long accum, lkbits, (int_lk_t x)) {
+  return cpp::bit_cast<long accum, int_lk_t>(x);
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michaelrj-google wrote:

If you're comparing `__SIZEOF_<FX_TYPE>__` would it make sense to then use the appropriate bit int? (e.g. `uint32_t`, `uint64_t`)

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