js/src/devtools/jint/sunspider/bitops-bits-in-byte.js@6474c204b198
js/src/devtools/jint/sunspider/bitops-bits-in-byte.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 // Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tld com)
4 // 1 op = 2 assigns, 16 compare/branches, 8 ANDs, (0-8) ADDs, 8 SHLs
5 // O(n)
6 function bitsinbyte(b) {
7 var m = 1, c = 0;
8 /* BEGIN LOOP */
9 while(m<0x100) {
10 if(b & m) c++;
11 m <<= 1;
12 }
13 /* END LOOP */
14 return c;
15 }
17 function TimeFunc(func) {
18 var x, y, t;
19 /* BEGIN LOOP */
20 for(var x=0; x<350; x++) {
21 /* BEGIN LOOP */
22 for(var y=0; y<256; y++) func(y);
23 /* END LOOP */
24 }
25 /* END LOOP */
26 }
28 TimeFunc(bitsinbyte);
