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-rw-r--r--js/src/jit-test/tests/sunspider/check-bitops-bits-in-byte.js24
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/sunspider/check-bitops-bits-in-byte.js b/js/src/jit-test/tests/sunspider/check-bitops-bits-in-byte.js
new file mode 100644
index 000000000..8a0efdaa2
--- /dev/null
+++ b/js/src/jit-test/tests/sunspider/check-bitops-bits-in-byte.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2004 by Arthur Langereis (arthur_ext at domain xfinitegames, tld com)
+
+
+// 1 op = 2 assigns, 16 compare/branches, 8 ANDs, (0-8) ADDs, 8 SHLs
+// O(n)
+function bitsinbyte(b) {
+var m = 1, c = 0;
+while(m<0x100) {
+if(b & m) c++;
+m <<= 1;
+}
+return c;
+}
+
+var ret = 0;
+function TimeFunc(func) {
+var x, y, t;
+for(var x=0; x<350; x++)
+for(var y=0; y<256; y++)
+ ret += func(y);
+}
+
+TimeFunc(bitsinbyte);
+assertEq(ret, 358400)