The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/jaeger/undoAdd.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,25 @@
     1.4 +
     1.5 +/* Test undoing addition in overflow paths when under heavy register pressure. */
     1.6 +
     1.7 +function add1(x, y, a, b, res) { var nres = res + 0; var z = (x + a) + (y + b); assertEq(z, nres); }
     1.8 +function add2(x, y, a, b, res) { var nres = res + 0; var z = (x + a) + (y + b); assertEq(z, nres); }
     1.9 +function add3(x, y, a, b, res) { var nres = res + 0; var z = (x + a) + (y + b); assertEq(z, nres); }
    1.10 +add1(0x7ffffff0, 100, 0, 0, 2147483732);
    1.11 +add2(-1000, -0x80000000, 0, 0, -2147484648);
    1.12 +add3(-0x80000000, -1000, 0, 0, -2147484648);
    1.13 +
    1.14 +function cadd1(x, a, b, res) {
    1.15 +  var nres = res + 0;
    1.16 +  var nb = b + 0;
    1.17 +  var z = (x + a) + 1000;
    1.18 +  assertEq(z, nres + nb);
    1.19 +}
    1.20 +cadd1(0x7ffffff0, 0, 0, 2147484632);
    1.21 +
    1.22 +function cadd2(x, a, b, res) {
    1.23 +  var nres = res + 0;
    1.24 +  var nb = b + 0;
    1.25 +  var z = (x + a) + (-0x80000000);
    1.26 +  assertEq(z, nres + nb);
    1.27 +}
    1.28 +cadd2(-1000, 0, 0, -2147484648);