js/src/jit-test/tests/sunspider/check-bitops-bits-in-byte.js@deefc01c0e14
js/src/jit-test/tests/sunspider/check-bitops-bits-in-byte.js
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
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 while(m<0x100) {
9 if(b & m) c++;
10 m <<= 1;
11 }
12 return c;
13 }
15 var ret = 0;
16 function TimeFunc(func) {
17 var x, y, t;
18 for(var x=0; x<350; x++)
19 for(var y=0; y<256; y++)
20 ret += func(y);
21 }
23 TimeFunc(bitsinbyte);
24 assertEq(ret, 358400)
