Minor optimizations by avoiding divisions.

* src/sfnt/ttkern.c (tt_face_load_kern, tt_face_get_kerning):
Replace divisions with multiplication in comparisons.

ChangeLog

@@ -1,3 +1,10 @@
+2010-06-30  Alexei Podtelezhnikov  <apodtele@gmail.com>
+
+	Minor optimizations by avoiding divisions.
+
+	* src/sfnt/ttkern.c (tt_face_load_kern, tt_face_get_kerning):
+	Replace divisions with multiplication in comparisons.
+
 2010-06-29  Werner Lemberg  <wl@gnu.org>
 
 	Fix minor tracing issues.

src/sfnt/ttkern.c

@@ -5,7 +5,7 @@
 /*    Load the basic TrueType kerning table.  This doesn't handle          */
 /*    kerning data within the GPOS table at the moment.                    */
 /*                                                                         */
-/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 by       */
+/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 by */
 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
 /*                                                                         */
 /*  This file is part of the FreeType project, and may only be used,       */
@@ -115,7 +115,7 @@
       num_pairs = FT_NEXT_USHORT( p );
       p        += 6;
 
-      if ( ( p_next - p ) / 6 < (int)num_pairs ) /* handle broken count */
+      if ( ( p_next - p ) < 6 * (int)num_pairs ) /* handle broken count */
         num_pairs = (FT_UInt)( ( p_next - p ) / 6 );
 
       avail |= mask;
@@ -220,7 +220,7 @@
       num_pairs = FT_NEXT_USHORT( p );
       p        += 6;
 
-      if ( ( next - p ) / 6 < (int)num_pairs )  /* handle broken count  */
+      if ( ( next - p ) < 6 * (int)num_pairs )  /* handle broken count  */
         num_pairs = (FT_UInt)( ( next - p ) / 6 );
 
       switch ( coverage >> 8 )