Convert a number of places in core and plugins to use the BIT_N() macro instead of 1<<n. Speeds up things on SH1, and also reduces core binsize. Most notable speedups: 1 bit lcd driver: drawpixel +20%, drawline + 27%, hline +5%; jpeg viewer: +8% for 1/8 scaling. Other targets are unaffected.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21205 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 2 insertions, 2 deletions

diff --git a/apps/plugins/sudoku/generator.c b/apps/plugins/sudoku/generator.c
index 3d37bde22a..59bb9066cc 100644
--- a/apps/plugins/sudoku/generator.c
+++ b/apps/plugins/sudoku/generator.c
@@ -54,7 +54,7 @@
 
 #define STATE_MASK              0x0000ff80
 #define STATE_SHIFT             (7-1)                        /* digits 1..9 */
-#define DIGIT_STATE(digit)      (1<<(STATE_SHIFT+(digit)))
+#define DIGIT_STATE(digit)      BIT_N(STATE_SHIFT+(digit))
 
 #define DIGIT_MASK              0x000f0000
 #define DIGIT_SHIFT             16
@@ -266,7 +266,7 @@ numset( int mask )
 {
     int i, n = 0;
     for( i = STATE_SHIFT + 1 ; i <= STATE_SHIFT + 9 ; ++i )
-        if( mask & (1<<i) )
+        if( mask & BIT_N(i) )
             ++n;
         else
             ++counts[ i - STATE_SHIFT - 1 ];