Mark build test makefiles as being incompatible with parallel make builds, as they...

[pub/USBasp.git] / LUFA / Common / CompilerSpecific.h

diff --git a/LUFA/Common/CompilerSpecific.h b/LUFA/Common/CompilerSpecific.h
index 6b4826a..ad2d075 100644 (file)
--- a/LUFA/Common/CompilerSpecific.h
+++ b/LUFA/Common/CompilerSpecific.h
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2011.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief Compiler specific macros for code optimization and correctness.
+ *  \brief Compiler specific definitions for code optimization and correctness.
  *
  *  \copydetails Group_CompilerSpecific
  *
@@ -38,12 +38,12 @@
  */
 
 /** \ingroup Group_Common
- *  \defgroup Group_CompilerSpecific Compiler Specific Macros
- *  \brief Compiler specific macros for code optimization and correctness.
+ *  \defgroup Group_CompilerSpecific Compiler Specific Definitions
+ *  \brief Compiler specific definitions for code optimization and correctness.
  *
- *  Compiler specific macros to expose certain compiler features which may increase the level of code optimization
+ *  Compiler specific definitions to expose certain compiler features which may increase the level of code optimization
  *  for a specific compiler, or correct certain issues that may be present such as memory barriers for use in conjunction
- *  with atomic variable access. 
+ *  with atomic variable access.
  *
  *  Where possible, on alternative compilers, these macros will either have no effect, or default to returning a sane value
  *  so that they can be used in existing code without the need for extra compiler checks in the user application code.
@@ -70,26 +70,25 @@
                                 *
                                 *  \param[in, out] StructPtr  Pointer to a structure which is to be forced into indirect access mode.
                                 */
-                               #define GCC_FORCE_POINTER_ACCESS(StructPtr) __asm__ __volatile__("" : "=b" (StructPtr) : "0" (StructPtr))
+                               #define GCC_FORCE_POINTER_ACCESS(StructPtr)   __asm__ __volatile__("" : "=b" (StructPtr) : "0" (StructPtr))
 
                                /** Forces GCC to create a memory barrier, ensuring that memory accesses are not reordered past the barrier point.
                                 *  This can be used before ordering-critical operations, to ensure that the compiler does not re-order the resulting
                                 *  assembly output in an unexpected manner on sections of code that are ordering-specific.
                                 */
-                               #define GCC_MEMORY_BARRIER()                __asm__ __volatile__("" ::: "memory");
-                               
-                               /** Evaluates to boolean true if the specified value can be determined at compile time to be a constant value
-                                *  when compiling under GCC.
+                               #define GCC_MEMORY_BARRIER()                  __asm__ __volatile__("" ::: "memory");
+
+                               /** Determines if the specified value can be determined at compile-time to be a constant value when compiling under GCC.
                                 *
-                                *  \param[in] x  Value to check compile time constantness of.
+                                *  \param[in] x  Value to check compile-time constantness of.
                                 *
-                                *  \return Boolean true if the given value is known to be a compile time constant.
+                                *  \return Boolean true if the given value is known to be a compile time constant, false otherwise.
                                 */
-                               #define GCC_IS_COMPILE_CONST(x)             __builtin_constant_p(x)
+                               #define GCC_IS_COMPILE_CONST(x)               __builtin_constant_p(x)
                        #else
                                #define GCC_FORCE_POINTER_ACCESS(StructPtr)
                                #define GCC_MEMORY_BARRIER()
-                               #define GCC_IS_COMPILE_CONST(x)             0
+                               #define GCC_IS_COMPILE_CONST(x)               0
                        #endif
 
 #endif