[libc-commits] [libc] [libc][stdfix] Implement fixed point `countlsfx` functions in llvm-libc (PR #125356)

[Joseph Huber via libc-commits]

================
@@ -64,6 +65,8 @@ foreach(feature IN LISTS ALL_COMPILER_FEATURES)
   set(link_options "")
   if(${feature} STREQUAL "fixed_point")
     list(APPEND compile_options "-ffixed-point")
+  elseif(${feature} STREQUAL "padding_on_unsigned_fixed_point")
+    list(APPEND compile_options "-ffixed-point -Xclang=-fpadding-on-unsigned-fixed-point")
----------------
jhuber6 wrote:

We need to be able to support GCC right? And in general, using `-Xclang` options is a little dubious.

https://github.com/llvm/llvm-project/pull/125356