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authorJens Arnold <amiconn@rockbox.org>2009-06-07 21:27:05 +0000
committerJens Arnold <amiconn@rockbox.org>2009-06-07 21:27:05 +0000
commit1d6df54df27cb41c02226678a2c8f9feddd1a1e0 (patch)
tree5fdc6dd98ac0208f5c3351b062063af6914cbefb /apps/misc.h
parentc3182ec333982e961d3babfbdb1125fd5bac7fb8 (diff)
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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
Diffstat (limited to 'apps/misc.h')
-rw-r--r--apps/misc.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/apps/misc.h b/apps/misc.h
index 1ac63da773..7e71101ba1 100644
--- a/apps/misc.h
+++ b/apps/misc.h
@@ -24,6 +24,7 @@
#include <stdbool.h>
#include <inttypes.h>
#include "config.h"
+#include "system.h"
/* Format a large-range value for output, using the appropriate unit so that
* the displayed value is in the range 1 <= display < 1000 (1024 for "binary"
@@ -103,7 +104,7 @@ char *strip_extension(char* buffer, int buffer_size, const char *filename);
* - position: 0-based number of the value
* - valid_vals: value after the call to 'parse_list'
*/
-#define LIST_VALUE_PARSED(setvals, position) ((setvals)&(1<<(position)))
+#define LIST_VALUE_PARSED(setvals, position) ((setvals) & BIT_N(position))
const char* parse_list(const char *fmt, uint32_t *set_vals,
const char sep, const char* str, ...);