Changeset f62355a in mainline

Timestamp:

2005-12-07T23:38:53Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9d5e23c

Parents:

b87f418

Message:

Improved ALIGN_UP.

File:

• generic/include/align.h (modified) (1 diff)

generic/include/align.h

@@ -30 +30 @@
 #define __ALIGN_H__
 
+/** Align to the nearest lower address.
+ *
+ * @param s Address or size to be aligned.
+ * @param a Size of alignment, must be power of 2.
+ */
+#define ALIGN_DOWN(s, a)        ((s) & ~((a) - 1))
+
+
 /** Align to the nearest higher address.
  *
  * @param s Address or size to be aligned.
- * @param a Size of alignment.
+ * @param a Size of alignment, must be power of 2.
  */
-#define ALIGN_UP(s, a)          ((s) % (a) ? (((s) / (a)) + 1) * (a) : (s))
-
-/** Align to the nearest lower address.
- *
- * @param s Address or size to be aligned.
- * @param a Size of alignment.
- */
-#define ALIGN_DOWN(s, a)        ((s) & ~((a)-1))
+#define ALIGN_UP(s, a)          ((s + ((a) - 1)) & ~((a) - 1))
 
 #endif