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function uint_seq(count) {
with({}){}
var arr = [];
var x = 0xfac83126;
while (count--) {
x ^= x << 13;
x ^= x >> 17;
x ^= x << 5;
// SpiderMonkey does not know how to represent UInt32, only Int32, and
// including any UInt32 will cause the following function to be
// de-optimized as double math.
if (x|0 > 0)
arr.push(x|0);
}
return arr;
}
function test(name, asm, ion, int) {
with({}){}
let count = 10000;
let seq = uint_seq(count);
for (let x of seq) {
let rint = int(x);
let rasm = asm(x);
let rion = ion(x);
// console.log(name, x, rint, rasm, rion);
assertEq(rasm, rint);
assertEq(rion, rint);
}
}
var asmdiv2 = (function(m) {
"use asm"
function f(x) {
x = x|0;
var z = 0;
z = ((x>>>0) / 2)>>>0;
return z|0;
}
return f;
})()
var plaindiv2 = function(x) {
x = x|0;
var z = 0;
z = ((x>>>0) / 2)>>>0;
return z|0;
}
var interpdiv2 = function(x) {
with({}){};
x = x|0;
var z = 0;
z = ((x>>>0) / 2)>>>0;
return z|0;
}
test("div2", asmdiv2, plaindiv2, interpdiv2);
var asmdiv5 = (function(m) {
"use asm"
function f(x) {
x = x|0;
var z = 0;
z = ((x>>>0) / 5)>>>0;
return z|0;
}
return f;
})()
var plaindiv5 = function(x) {
x = x|0;
var z = 0;
z = ((x>>>0) / 5)>>>0;
return z|0;
}
var interpdiv5 = function(x) {
with({}){};
x = x|0;
var z = 0;
z = ((x>>>0) / 5)>>>0;
return z|0;
}
test("div5", asmdiv5, plaindiv5, interpdiv5);
var asmdiv7 = (function(m) {
"use asm"
function f(x) {
x = x|0;
var z = 0;
z = ((x>>>0) / 7)>>>0;
return z|0;
}
return f;
})()
var plaindiv7 = function(x) {
x = x|0;
var z = 0;
z = ((x>>>0) / 7)>>>0;
return z|0;
}
var interpdiv7 = function(x) {
with({}){};
x = x|0;
var z = 0;
z = ((x>>>0) / 7)>>>0;
return z|0;
}
test("div7", asmdiv7, plaindiv7, interpdiv7);