bzip2: eliminate some divisions

2007-10-14 07:49:48 +00:00
parent 3f5fdc7572
commit 6a9154b6f6
3 changed files with 51 additions and 35 deletions
--- a/archival/bz/huffman.c
+++ b/archival/bz/huffman.c
@@ -183,6 +183,8 @@ void BZ2_hbMakeCodeLengths(uint8_t *len,

 		for (i = 1; i <= alphaSize; i++) {
 			j = weight[i] >> 8;
+			/* bbox: yes, it is a signed division.
+			 * don't replace with shift! */
 			j = 1 + (j / 2);
 			weight[i] = j << 8;
 		}