Demystified floating point ABI function names.

src/arm/macro-assembler-arm.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1107 matching lines @@
   void PrepareCallCFunction(int num_reg_arguments,
                             int num_double_registers,
                             Register scratch);
   void PrepareCallCFunction(int num_reg_arguments,
                             Register scratch);
 
   // There are two ways of passing double arguments on ARM, depending on
   // whether soft or hard floating point ABI is used. These functions
   // abstract parameter passing for the three different ways we call
   // C functions from generated code.
-  void SetCallCDoubleArguments(DwVfpRegister dreg);
-  void SetCallCDoubleArguments(DwVfpRegister dreg1, DwVfpRegister dreg2);
-  void SetCallCDoubleArguments(DwVfpRegister dreg, Register reg);
+  void MovToFloatParameter(DwVfpRegister src);
+  void MovToFloatParameters(DwVfpRegister src1, DwVfpRegister src2);
+  void MovToFloatResult(DwVfpRegister src);
 
   // Calls a C function and cleans up the space for arguments allocated
   // by PrepareCallCFunction. The called function is not allowed to trigger a
   // garbage collection, since that might move the code and invalidate the
   // return address (unless this is somehow accounted for by the called
   // function).
   void CallCFunction(ExternalReference function, int num_arguments);
   void CallCFunction(Register function, int num_arguments);
   void CallCFunction(ExternalReference function,
                      int num_reg_arguments,
                      int num_double_arguments);
   void CallCFunction(Register function,
                      int num_reg_arguments,
                      int num_double_arguments);
 
-  void GetCFunctionDoubleResult(const DwVfpRegister dst);
+  void MovFromFloatParameter(DwVfpRegister dst);
+  void MovFromFloatResult(DwVfpRegister dst);
 
   // Calls an API function.  Allocates HandleScope, extracts returned value
   // from handle and propagates exceptions.  Restores context.  stack_space
   // - space to be unwound on exit (includes the call JS arguments space and
   // the additional space allocated for the fast call).
   void CallApiFunctionAndReturn(ExternalReference function,
                                 Address function_address,
                                 ExternalReference thunk_ref,
                                 Register thunk_last_arg,
                                 int stack_space,
@@ skipping 396 matching lines @@
 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_MACRO_ASSEMBLER_ARM_H_