Just use plain memcpy

Change-Id: I6f2014f3dfc650a61e8c0dc0bb7d7d4fdb88dbe9

hwpfilter/source/grammar.cxx

@@ -459,50 +459,6 @@ int yydebug;            /*  nonzero means print parse trace */
 #define YYMAXDEPTH 10000
 #endif
 
-/* Define __yy_memcpy.  Note that the size argument
-   should be passed with type unsigned int, because that is what the non-GCC
-   definitions require.  With GCC, __builtin_memcpy takes an arg
-   of type size_t, but it can handle unsigned int.  */
-
-#if defined(__GNUC__)
-#define __yy_memcpy(TO,FROM,COUNT)  __builtin_memcpy(TO,FROM,COUNT)
-#else
-#ifndef __cplusplus
-
-/* This is the most reliable way to avoid incompatibilities
-   in available built-in functions on various systems.  */
-static void
-__yy_memcpy (to, from, count)
-     char *to;
-     char *from;
-     unsigned int count;
-{
-  char *f = from;
-  char *t = to;
-  int i = count;
-
-  while (i-- > 0)
-    *t++ = *f++;
-}
-
-#else /* __cplusplus */
-
-/* This is the most reliable way to avoid incompatibilities
-   in available built-in functions on various systems.  */
-static void
-__yy_memcpy (char *to, char *from, unsigned int count)
-{
-  char *t = to;
-  char *f = from;
-  int i = count;
-
-  while (i-- > 0)
-    *t++ = *f++;
-}
-
-#endif
-#endif
-
 /* The user can define YYPARSE_PARAM as the name of an argument to be passed
    into yyparse.  The argument should have type void *.
    It should actually point to an object.
@@ -660,14 +616,14 @@ yynewstate:
       yyfree_stacks = 1;
 #endif
       yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
-      __yy_memcpy (yyss, yyss1,
+      memcpy (yyss, yyss1,
            size * (unsigned int) sizeof (*yyssp));
       yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
-      __yy_memcpy (yyvs, yyvs1,
+      memcpy (yyvs, yyvs1,
            size * (unsigned int) sizeof (*yyvsp));
 #ifdef YYLSP_NEEDED
       yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
-      __yy_memcpy ((char *)yyls, (char *)yyls1,
+      memcpy ((char *)yyls, (char *)yyls1,
            size * (unsigned int) sizeof (*yylsp));
 #endif
 #endif /* no yyoverflow */