Document the BMI2 default() functions

lib/common/entropy_common.c

@@ -203,6 +203,7 @@ size_t FSE_readNCount_body(short* normalizedCounter, unsigned* maxSVPtr, unsigne
     return ip-istart;
 }
 
+/* Avoids the FORCE_INLINE of the _body() function. */
 static size_t FSE_readNCount_body_default(
         short* normalizedCounter, unsigned* maxSVPtr, unsigned* tableLogPtr,
         const void* headerBuffer, size_t hbSize)
@@ -319,6 +320,7 @@ FORCE_INLINE_TEMPLATE size_t HUF_readStats_body(BYTE* huffWeight, size_t hwSize,
     return iSize+1;
 }
 
+/* Avoids the FORCE_INLINE of the _body() function. */
 static size_t HUF_readStats_body_default(BYTE* huffWeight, size_t hwSize, U32* rankStats,
                      U32* nbSymbolsPtr, U32* tableLogPtr,
                      const void* src, size_t srcSize,

lib/common/fse_decompress.c

@@ -353,6 +353,7 @@ FORCE_INLINE_TEMPLATE size_t FSE_decompress_wksp_body(
     }
 }
 
+/* Avoids the FORCE_INLINE of the _body() function. */
 static size_t FSE_decompress_wksp_body_default(void* dst, size_t dstCapacity, const void* cSrc, size_t cSrcSize, unsigned maxLog, void* workSpace, size_t wkspSize)
 {
     return FSE_decompress_wksp_body(dst, dstCapacity, cSrc, cSrcSize, maxLog, workSpace, wkspSize, 0);

lib/decompress/zstd_decompress_block.c

@@ -484,6 +484,7 @@ void ZSTD_buildFSETable_body(ZSTD_seqSymbol* dt,
     }
 }
 
+/* Avoids the FORCE_INLINE of the _body() function. */
 static void ZSTD_buildFSETable_body_default(ZSTD_seqSymbol* dt,
             const short* normalizedCounter, unsigned maxSymbolValue,
             const U32* baseValue, const U32* nbAdditionalBits,