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-rw-r--r--js/src/jit-test/tests/ion/udiv-by-u32-constant.js110
1 files changed, 110 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/udiv-by-u32-constant.js b/js/src/jit-test/tests/ion/udiv-by-u32-constant.js
new file mode 100644
index 0000000000..f73a6f6465
--- /dev/null
+++ b/js/src/jit-test/tests/ion/udiv-by-u32-constant.js
@@ -0,0 +1,110 @@
+function uint_seq(count) {
+ with({}){}
+ var arr = [];
+ var x = 0xfac83126;
+ while (count--) {
+ x ^= x << 13;
+ x ^= x >> 17;
+ x ^= x << 5;
+ 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 asmdiv3 = (function(m) {
+ "use asm"
+ function f(x) {
+ x = x|0;
+ var z = 0;
+ z = ((x>>>0) / 3)>>>0;
+ return z|0;
+ }
+ return f;
+})()
+
+var plaindiv3 = function(x) {
+ x = x|0;
+ var z = 0;
+ z = ((x>>>0) / 3)>>>0;
+ return z|0;
+}
+
+var interpdiv3 = function(x) {
+ with({}){};
+ x = x|0;
+ var z = 0;
+ z = ((x>>>0) / 3)>>>0;
+ return z|0;
+}
+
+test("div3", asmdiv3, plaindiv3, interpdiv3);
+
+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);