[wasm] Add more extensive tests for asm->wasm translation.

test/mjsunit/wasm/asm-wasm-f32.js

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --expose-wasm
+
+function WrapInAsmModule(func) {
+  function MODULE_NAME(stdlib) {
+    "use asm";
+    var fround = stdlib.Math.fround;
+    var Math_ceil = stdlib.Math.ceil;
+    var Math_floor = stdlib.Math.floor;
+    var Math_sqrt = stdlib.Math.sqrt;
+    var Math_abs = stdlib.Math.abs;
+    var Math_min = stdlib.Math.min;
+    var Math_max = stdlib.Math.max;
+
+    FUNC_BODY
+    return {main: FUNC_NAME};
+  }
+
+  var source = MODULE_NAME.toString()
+    .replace(/MODULE_NAME/g, func.name + "_module")
+    .replace(/FUNC_BODY/g, func.toString())
+    .replace(/FUNC_NAME/g, func.name);
+  return eval("(" + source + ")");
+}
+
+function RunThreeWayTest(asmfunc, expect) {
+  var asm_source = asmfunc.toString();
+  var nonasm_source = asm_source.replace(new RegExp("use asm"), "");
+  var stdlib = {Math: Math};
+
+  var js_module = eval("(" + nonasm_source + ")")(stdlib);
+  print("Testing " + asmfunc.name + " (js)...");
+  expect(js_module);
+
+  print("Testing " + asmfunc.name + " (asm.js)...");
+  var asm_module = asmfunc(stdlib);
+  expect(asm_module);
+
+  print("Testing " + asmfunc.name + " (wasm)...");
+  var wasm_module = Wasm.instantiateModuleFromAsm(asm_source, stdlib);
+  expect(wasm_module);
+}
+
+const fround = Math.fround;
+const Math_ceil = Math.ceil;
+const Math_floor = Math.floor;
+const Math_sqrt = Math.sqrt;
+const Math_abs = Math.abs;
+const Math_min = Math.min;
+const Math_max = Math.max;
+
+function f32_add(a, b) {
+  a = fround(a);
+  b = fround(b);
+  return fround(fround(a) + fround(b));
+}
+
+function f32_sub(a, b) {
+  a = fround(a);
+  b = fround(b);
+  return fround(fround(a) - fround(b));
+}
+
+function f32_mul(a, b) {
+  a = fround(a);
+  b = fround(b);
+  return fround(fround(a) * fround(b));
+}
+
+function f32_div(a, b) {
+  a = fround(a);
+  b = fround(b);
+  return fround(fround(a) / fround(b));
+}
+
+function f32_ceil(a) {
+  a = fround(a);
+  return fround(Math_ceil(fround(a)));
+}
+
+function f32_floor(a) {
+  a = fround(a);
+  return fround(Math_floor(fround(a)));
+}
+
+function f32_sqrt(a) {
+  a = fround(a);
+  return fround(Math_sqrt(fround(a)));
+}
+
+function f32_abs(a) {
+  a = fround(a);
+  return fround(Math_abs(fround(a)));
+}
+
+function f32_min(a, b) {
+  a = fround(a);
+  b = fround(b);
+  return fround(Math_min(fround(a), fround(b)));
+}
+
+function f32_max(a, b) {
+  a = fround(a);
+  b = fround(b);
+  return fround(Math_max(fround(a), fround(b)));
+}
+
+function f32_eq(a, b) {
+  a = fround(a);
+  b = fround(b);
+  if (fround(a) == fround(b)) {
+    return 1;
+  }
+  return 0;
+}
+
+function f32_ne(a, b) {
+  a = fround(a);
+  b = fround(b);
+  if (fround(a) != fround(b)) {
+    return 1;
+  }
+  return 0;
+}
+
+function f32_lt(a, b) {
+  a = fround(a);
+  b = fround(b);
+  if (fround(a) < fround(b)) {
+    return 1;
+  }
+  return 0;
+}
+
+function f32_lteq(a, b) {
+  a = fround(a);
+  b = fround(b);
+  if (fround(a) <= fround(b)) {
+    return 1;
+  }
+  return 0;
+}
+
+function f32_gt(a, b) {
+  a = fround(a);
+  b = fround(b);
+  if (fround(a) > fround(b)) {
+    return 1;
+  }
+  return 0;
+}
+
+function f32_gteq(a, b) {
+  a = fround(a);
+  b = fround(b);
+  if (fround(a) >= fround(b)) {
+    return 1;
+  }
+  return 0;
+}
+
+
+var inputs = [
+  0, 1, 2, 3, 4,
+  10, 20, 30, 31, 32, 33, 100, 2000,
+  30000, 400000, 5000000,
+  100000000, 2000000000,
+  2147483646,
+  2147483647,
+  2147483648,
+  2147483649,
+  0x273a798e, 0x187937a3, 0xece3af83, 0x5495a16b, 0x0b668ecc, 0x11223344,
+  0x0000009e, 0x00000043, 0x0000af73, 0x0000116b, 0x00658ecc, 0x002b3b4c,
+  0x88776655, 0x70000000, 0x07200000, 0x7fffffff, 0x56123761, 0x7fffff00,
+  0xeeeeeeee, 0xfffffffd, 0xf0000000, 0x007fffff, 0x003fffff, 0x001fffff,
+  0x00003fff, 0x00001fff, 0x00000fff, 0x000007ff, 0x000003ff, 0x000001ff,
+  -0,
+  -1, -2, -3, -4,
+  -10, -20, -30, -31, -32, -33, -100, -2000,
+  -30000, -400000, -5000000,
+  -100000000, -2000000000,
+  -2147483646,
+  -2147483647,
+  -2147483648,
+  -2147483649,
+  0.1,
+  1.1e-2,
+  1.2e-4,
+  1.3e-8,
+  1.4e-11,
+  1.5e-12,
+  1.6e-13
+];
+
+var funcs = [
+  f32_add,
+  f32_sub,
+  f32_mul,
+  f32_div,
+// TODO(bradnelson) f32_ceil,
+// TODO(bradnelson) f32_floor,
+// TODO(bradnelson) f32_sqrt,
+// TODO(bradnelson) f32_abs,
+// TODO(bradnelson) f32_min is wrong for -0
+// TODO(bradnelson) f32_max is wrong for -0
+  f32_eq,
+  f32_ne,
+  f32_lt,
+  f32_lteq,
+  f32_gt,
+  f32_gteq,
+];
+
+(function () {
+  for (func of funcs) {
+    RunThreeWayTest(WrapInAsmModule(func), function (module) {
+      for (a of inputs) {
+        for (b of inputs) {
+          assertEquals(func(a, b), module.main(a, b));
+          assertEquals(func(a / 10,  b), module.main(a / 10, b));
+          assertEquals(func(a, b / 440.9), module.main(a, b / 440.9));
+          assertEquals(func(a / -33.1, b), module.main(a / -33.1, b));
+        }
+      }
+    });
+  }
+
+})();