[Fixed Point Arithmetic] Rename `-fsame-fbits` flag

- Rename the `-fsame-fbits` flag to `-fpadding-on-unsigned-fixed-point`
- Move the flag from a driver option to a cc1 option
- Rename the `SameFBits` member in TargetInfo to `PaddingOnUnsignedFixedPoint`
- Updated descriptions

Differential Revision: https://reviews.llvm.org/D48727

llvm-svn: 335993

1 files changed, 0 insertions, 5 deletions

diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
index c5fbd097557..790fae4a6c8 100644
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -3765,11 +3765,6 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
                    /*Default=*/false))
     Args.AddLastArg(CmdArgs, options::OPT_ffixed_point);
 
-  if (Args.hasFlag(options::OPT_fsame_fbits,
-                   options::OPT_fno_same_fbits,
-                   /*Default=*/false))
-    Args.AddLastArg(CmdArgs, options::OPT_fsame_fbits);
-
   // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi}
   // (-ansi is equivalent to -std=c89 or -std=c++98).
   //