1 files changed, 134 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/asm.js/testFloatingPoint.js b/js/src/jit-test/tests/asm.js/testFloatingPoint.js
new file mode 100644
index 0000000000..bad22028e0
--- /dev/null
+++ b/js/src/jit-test/tests/asm.js/testFloatingPoint.js
@@ -0,0 +1,134 @@
+load(libdir + "asm.js");
+
+assertEq(asmLink(asmCompile(USE_ASM + "function f() { return 1.1 } return f"))(), 1.1);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(i) { i=i|0; return +(+(i|0) + .1) } return f"))(1), 1.1);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(d) { d=+d; return +d } return f"))(1.1), 1.1);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d+e) } return f"))(1.0, .1), 1.1);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(i,e) { i=i|0;e=+e; return +(+~~i+e) } return f"))(1, .1), 1.1);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(d,i) { d=+d;i=i|0; return +(d + +(i|0)) } return f"))(.1, 1), 1.1);
+assertEq(asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d-e) } return f"))(1.1, .8), (1.1-.8));
+assertEq(asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d*e) } return f"))(1.1, 2.2), (1.1*2.2));
+assertEq(asmLink(asmCompile(USE_ASM + "function g() { var i=2; return (~~(i=(i+1)|0))|0 } return g"))(), 3);
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d<e)|0 } return f"));
+assertEq(f(1.1, 2.2), 1);
+assertEq(f(1.1, 1.1), 0);
+assertEq(f(2.1, 1.1), 0);
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d<=e)|0 } return f"));
+assertEq(f(1.1, 2.2), 1);
+assertEq(f(1.1, 1.1), 1);
+assertEq(f(2.1, 1.1), 0);
+assertEq(f(NaN, 1.1), 0);
+assertEq(f(1.1, NaN), 0);
+assertEq(f(NaN, NaN), 0);
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d>e)|0 } return f"));
+assertEq(f(2.1, 1.1), 1);
+assertEq(f(1.1, 1.1), 0);
+assertEq(f(1.1, 2.1), 0);
+assertEq(f(NaN, 1.1), 0);
+assertEq(f(1.1, NaN), 0);
+assertEq(f(NaN, NaN), 0);
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d>=e)|0 } return f"));
+assertEq(f(2.1, 1.1), 1);
+assertEq(f(1.0, 1.1), 0);
+assertEq(f(1.1, 2.1), 0);
+assertEq(f(NaN, 1.1), 0);
+assertEq(f(1.1, NaN), 0);
+assertEq(f(NaN, NaN), 0);
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d==e)|0 } return f"));
+assertEq(f(2.1, 1.1), 0);
+assertEq(f(1.1, 1.1), 1);
+assertEq(f(1.1, 2.1), 0);
+assertEq(f(NaN, 1.1), 0);
+assertEq(f(1.1, NaN), 0);
+assertEq(f(NaN, NaN), 0);
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return (d!=e)|0 } return f"));
+assertEq(f(2.1, 1.1), 1);
+assertEq(f(1.1, 1.1), 0);
+assertEq(f(1.1, 2.1), 1);
+assertEq(f(NaN, 1.1), 1);
+assertEq(f(1.1, NaN), 1);
+assertEq(f(NaN, NaN), 1);
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d/e) } return f"));
+assertEq(f(1.1, .1), (1.1/.1));
+assertEq(f(1.1, 0),  (1.1/0));
+assertEq(f(1.1, -0), (1.1/-0));
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d,e) { d=+d;e=+e; return +(d%e) } return f"));
+assertEq(f(1.1, .1), (1.1%.1));
+assertEq(f(1.1, 0),  (1.1%0));
+assertEq(f(1.1, -0), (1.1%-0));
+
+var f = asmLink(asmCompile(USE_ASM + "function f(d) { d=+d; var i = 0; i = ~~d; return i|0 } return f"));
+assertEq(f(1.0), 1);
+assertEq(f(1.9), 1);
+assertEq(f(1.9999), 1);
+assertEq(f(2.0), 2);
+assertEq(f(Math.pow(2,40)), ~~Math.pow(2,40));
+assertEq(f(-Math.pow(2,40)), ~~-Math.pow(2,40));
+assertEq(f(4000000000), ~~4000000000);
+assertEq(f(-4000000000), ~~-4000000000);
+assertEq(f(NaN), 0);
+assertEq(f(Infinity), 0);
+assertEq(f(-Infinity), 0);
+
+assertAsmTypeFail(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +((i|0)/(j|0)) } return f");
+assertAsmTypeFail(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +(i+j) } return f");
+assertAsmTypeFail(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +(i-j) } return f");
+
+var f = asmLink(asmCompile(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +(((i|0)/(j|0))|0) } return f"));
+assertEq(f(1,0), 0);
+assertEq(f(-Math.pow(2,31),-1), -Math.pow(2,31));
+
+var f = asmLink(asmCompile(USE_ASM + "function f(i,j) { i=i|0;j=j|0; return +(((i|0)%(j|0))|0) } return f"));
+assertEq(f(1,0), 0);
+assertEq(f(-Math.pow(2,31),-1), 0);
+
+var {f,g} = asmLink(asmCompile(USE_ASM + "function f() { return 3.5 } function g(d) { d=+d; return +(d+3.5) } return {f:f,g:g}"));
+assertEq(f(), 3.5);
+assertEq(g(1), 1+3.5);
+
+var buf = new ArrayBuffer(BUF_MIN);
+var f64 = new Float64Array(buf);
+var i32 = new Int32Array(buf);
+var u32 = new Uint32Array(buf);
+var f = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function f() { return +f64[0] } return f'), this, null, buf);
+f64[0] = 0;
+assertEq(f(), 0);
+f64[0] = -1;
+assertEq(f(), -1);
+f64[0] = 1;
+assertEq(f(), 1);
+f64[0] = Infinity;
+assertEq(f(), Infinity);
+f64[0] = -Infinity;
+assertEq(f(), -Infinity);
+
+function ffi(d) { str = String(d) }
+var g = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'var ffi=imp.ffi; function g() { ffi(+f64[0]) } return g'), this, {ffi:ffi}, buf);
+var h = asmLink(asmCompile('glob', 'imp', 'b', USE_ASM + HEAP_IMPORTS + 'function g() { return +(+f64[0] < 0.0 ? -+f64[0] : +f64[0]) } return g'), this, null, buf)
+
+function ffi1() { return 2.6 }
+assertEq(asmLink(asmCompile('glob', 'imp', USE_ASM + "var ffi1=imp.ffi1; function g() { var i=0,j=0.0; i=ffi1()|0; j=+ffi1(); return +(+(i|0)+j) } return g"), null, {ffi1:ffi1})(), 2+2.6);
+
+// that sounds dangerous!
+var a = [0,1,0xffff0000,0x7fff0000,0xfff80000,0x7ff80000,0xfffc0000,0x7ffc0000,0xffffffff,0x0000ffff,0x00008fff7];
+for (i of a) {
+    for (j of a) {
+        u32[0] = i;
+        u32[1] = j;
+
+        assertEq(f(), f64[0]);
+
+        g();
+        assertEq(str, String(f64[0]));
+
+        assertEq(h(), Math.abs(f64[0]));
+    }
+}