Merge commit '80fefbed'

* commit '80fefbed':
  x86: cpu: Restore some explanatory comments removed in 7160bb71Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/cpu.h

@@ -33,9 +33,11 @@
 #define AV_CPU_FLAG_SSE          0x0008 ///< SSE functions
 #define AV_CPU_FLAG_SSE2         0x0010 ///< PIV SSE2 functions
 #define AV_CPU_FLAG_SSE2SLOW 0x40000000 ///< SSE2 supported, but usually not faster
+                                        ///< than regular MMX/SSE (e.g. Core1)
 #define AV_CPU_FLAG_3DNOWEXT     0x0020 ///< AMD 3DNowExt
 #define AV_CPU_FLAG_SSE3         0x0040 ///< Prescott SSE3 functions
 #define AV_CPU_FLAG_SSE3SLOW 0x20000000 ///< SSE3 supported, but usually not faster
+                                        ///< than regular MMX/SSE (e.g. Core1)
 #define AV_CPU_FLAG_SSSE3        0x0080 ///< Conroe SSSE3 functions
 #define AV_CPU_FLAG_ATOM     0x10000000 ///< Atom processor, some SSSE3 instructions are slower
 #define AV_CPU_FLAG_SSE4         0x0100 ///< Penryn SSE4.1 functions