1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/asm.js/testJumpRange.js b/js/src/jit-test/tests/asm.js/testJumpRange.js
new file mode 100644
index 000000000..bd983544b
--- /dev/null
+++ b/js/src/jit-test/tests/asm.js/testJumpRange.js
@@ -0,0 +1,46 @@
+load(libdir + "asm.js");
+load(libdir + "asserts.js");
+
+var fatFunc = USE_ASM + '\n';
+for (var i = 0; i < 100; i++)
+    fatFunc += "function f" + i + "() { return ((f" + (i+1) + "()|0)+1)|0 }\n";
+fatFunc += "function f100() { return 42 }\n";
+fatFunc += "return f0";
+
+for (let threshold of [0, 50, 100, 5000, -1]) {
+    setJitCompilerOption("jump-threshold", threshold);
+
+    assertEq(asmCompile(
+        USE_ASM + `
+            function h() { return ((g()|0)+2)|0 }
+            function g() { return ((f()|0)+1)|0 }
+            function f() { return 42 }
+            return h
+        `)()(), 45);
+
+    if (isSimdAvailable() && this.SIMD) {
+        var buf = new ArrayBuffer(BUF_MIN);
+        new Int32Array(buf)[0] = 10;
+        new Float32Array(buf)[1] = 42;
+        assertEq(asmCompile('stdlib', 'ffis', 'buf',
+            USE_ASM + `
+                var H = new stdlib.Uint8Array(buf);
+                var i4 = stdlib.SIMD.Int32x4;
+                var f4 = stdlib.SIMD.Float32x4;
+                var i4load = i4.load;
+                var f4load = f4.load;
+                var toi4 = i4.fromFloat32x4;
+                var i4ext = i4.extractLane;
+                function f(i) { i=i|0; return i4ext(i4load(H, i), 0)|0 }
+                function g(i) { i=i|0; return (i4ext(toi4(f4load(H, i)),1) + (f(i)|0))|0 }
+                function h(i) { i=i|0; return g(i)|0 }
+                return h
+            `)(this, null, buf)(0), 52);
+    }
+
+    enableSPSProfiling();
+    asmLink(asmCompile(USE_ASM + 'function f() {} function g() { f() } function h() { g() } return h'))();
+    disableSPSProfiling();
+
+    assertEq(asmCompile(fatFunc)()(), 142);
+}