Fix conversion to float32, typing issue, split apart asm-wasm tests.

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

Index: test/mjsunit/wasm/asm-wasm-stdlib.js
diff --git a/test/mjsunit/wasm/asm-wasm-stdlib.js b/test/mjsunit/wasm/asm-wasm-stdlib.js
new file mode 100644
index 0000000000000000000000000000000000000000..6d75cdf1ea6932df5c11111855d9c2052e58bca4
--- /dev/null
+++ b/test/mjsunit/wasm/asm-wasm-stdlib.js
@@ -0,0 +1,366 @@
+// 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 TestStdlibConstants() {
+  function Module(stdlib) {
+    "use asm";
+
+    var StdlibInfinity = stdlib.Infinity;
+    var StdlibNaN = stdlib.NaN;
+    var StdlibMathE = stdlib.Math.E;
+    var StdlibMathLN10 = stdlib.Math.LN10;
+    var StdlibMathLN2 = stdlib.Math.LN2;
+    var StdlibMathLOG2E = stdlib.Math.LOG2E;
+    var StdlibMathLOG10E = stdlib.Math.LOG10E;
+    var StdlibMathPI = stdlib.Math.PI;
+    var StdlibMathSQRT1_2 = stdlib.Math.SQRT1_2;
+    var StdlibMathSQRT2 = stdlib.Math.SQRT2;
+
+    function caller() {
+      if (StdlibInfinity != 1.0 / 0.0) return 0;
+      if (StdlibMathE != 2.718281828459045) return 0;
+      if (StdlibMathLN10 != 2.302585092994046) return 0;
+      if (StdlibMathLN2 != 0.6931471805599453) return 0;
+      if (StdlibMathLOG2E != 1.4426950408889634) return 0;
+      if (StdlibMathLOG10E != 0.4342944819032518) return 0;
+      if (StdlibMathPI != 3.141592653589793) return 0;
+      if (StdlibMathSQRT1_2 != 0.7071067811865476) return 0;
+      if (StdlibMathSQRT2 != 1.4142135623730951) return 0;
+      return 1;
+    }
+
+    function nanCheck() {
+      return +StdlibNaN;
+    }
+
+    return {caller:caller, nanCheck:nanCheck};
+  }
+
+  var m =Wasm.instantiateModuleFromAsm(Module.toString());
+  assertEquals(1, m.caller());
+  assertTrue(isNaN(m.nanCheck()));
+})();
+
+
+(function TestStdlibFunctionsInside() {
+  function Module(stdlib) {
+    "use asm";
+
+    var StdlibMathCeil = stdlib.Math.ceil;
+    var StdlibMathFloor = stdlib.Math.floor;
+    var StdlibMathSqrt = stdlib.Math.sqrt;
+    var StdlibMathAbs = stdlib.Math.abs;
+    var StdlibMathMin = stdlib.Math.min;
+    var StdlibMathMax = stdlib.Math.max;
+
+    var StdlibMathAcos = stdlib.Math.acos;
+    var StdlibMathAsin = stdlib.Math.asin;
+    var StdlibMathAtan = stdlib.Math.atan;
+    var StdlibMathCos = stdlib.Math.cos;
+    var StdlibMathSin = stdlib.Math.sin;
+    var StdlibMathTan = stdlib.Math.tan;
+    var StdlibMathExp = stdlib.Math.exp;
+    var StdlibMathLog = stdlib.Math.log;
+
+    var StdlibMathAtan2 = stdlib.Math.atan2;
+    var StdlibMathPow = stdlib.Math.pow;
+    var StdlibMathImul = stdlib.Math.imul;
+
+    var fround = stdlib.Math.fround;
+
+    function deltaEqual(x, y) {
+      x = +x;
+      y = +y;
+      var t = 0.0;
+      t = x - y;
+      if (t < 0.0) {
+        t = t * -1.0;
+      }
+      return (t < 1.0e-13) | 0;
+    }
+
+    function caller() {
+      if (!deltaEqual(StdlibMathSqrt(123.0), 11.090536506409418)) return 0;
+      if (StdlibMathSqrt(fround(256.0)) != fround(16.0)) return 0;
+      if (StdlibMathCeil(123.7) != 124.0) return 0;
+      if (StdlibMathCeil(fround(123.7)) != fround(124.0)) return 0;
+      if (StdlibMathFloor(123.7) != 123.0) return 0;
+      if (StdlibMathFloor(fround(123.7)) != fround(123.0)) return 0;
+      if (StdlibMathAbs(-123.0) != 123.0) return 0;
+      if (StdlibMathAbs(fround(-123.0)) != fround(123.0)) return 0;
+      if (StdlibMathMin(123.4, 1236.4) != 123.4) return 0;
+      if (StdlibMathMin(fround(123.4),
+            fround(1236.4)) != fround(123.4)) return 0;
+      if (StdlibMathMax(123.4, 1236.4) != 1236.4) return 0;
+      if (StdlibMathMax(fround(123.4), fround(1236.4))
+          != fround(1236.4)) return 0;
+
+      if (!deltaEqual(StdlibMathAcos(0.1), 1.4706289056333368)) return 0;
+      if (!deltaEqual(StdlibMathAsin(0.2), 0.2013579207903308)) return 0;
+      if (!deltaEqual(StdlibMathAtan(0.2), 0.19739555984988078)) return 0;
+      if (!deltaEqual(StdlibMathCos(0.2), 0.9800665778412416)) return 0;
+      if (!deltaEqual(StdlibMathSin(0.2), 0.19866933079506122)) return 0;
+      if (!deltaEqual(StdlibMathTan(0.2), 0.20271003550867250)) return 0;
+      if (!deltaEqual(StdlibMathExp(0.2), 1.2214027581601699)) return 0;
+      if (!deltaEqual(StdlibMathLog(0.2), -1.6094379124341003)) return 0;
+
+      if (StdlibMathImul(6, 7) != 42) return 0;
+      if (!deltaEqual(StdlibMathAtan2(6.0, 7.0), 0.7086262721276703)) return 0;
+      if (StdlibMathPow(6.0, 7.0) != 279936.0) return 0;
+
+      return 1;
+    }
+
+    return {caller:caller};
+  }
+
+  var m = Wasm.instantiateModuleFromAsm(Module.toString());
+  assertEquals(1, m.caller());
+})();
+
+
+(function TestStdlibFunctionOutside() {
+  function looseEqual(x, y, delta) {
+    if (delta === undefined) {
+      delta = 1.0e-10;
+    }
+    if (isNaN(x) && isNaN(y)) {
+      return true;
+    }
+    if (!isFinite(x) && !isFinite(y)) {
+      return true;
+    }
+    x = +x;
+    y = +y;
+    var t = 0.0;
+    t = x - y;
+    if (t < 0.0) {
+      t = t * -1.0;
+    }
+    return (t < delta) | 0;
+  }
+
+  function plainEqual(x, y) {
+    if (isNaN(x) && isNaN(y)) {
+      return true;
+    }
+    return x === y;
+  }
+
+  function Module(stdlib) {
+    "use asm";
+    var ceil = stdlib.Math.ceil;
+    var floor = stdlib.Math.floor;
+    var sqrt = stdlib.Math.sqrt;
+    var abs = stdlib.Math.abs;
+    var fround = stdlib.Math.fround;
+    var fround2 = stdlib.Math.fround;
+
+    var acos = stdlib.Math.acos;
+    var asin = stdlib.Math.asin;
+    var atan = stdlib.Math.atan;
+    var cos = stdlib.Math.cos;
+    var sin = stdlib.Math.sin;
+    var tan = stdlib.Math.tan;
+    var exp = stdlib.Math.exp;
+    var log = stdlib.Math.log;
+
+    var atan2 = stdlib.Math.atan2;
+    var pow = stdlib.Math.pow;
+    var imul = stdlib.Math.imul;
+    var min = stdlib.Math.min;
+    var max = stdlib.Math.max;
+
+    function ceil_f64(x) { x = +x; return +ceil(x); }
+    function ceil_f32(x) { x = fround(x); return fround(ceil(x)); }
+
+    function floor_f64(x) { x = +x; return +floor(x); }
+    function floor_f32(x) { x = fround(x); return fround(floor(x)); }
+
+    function sqrt_f64(x) { x = +x; return +sqrt(x); }
+    function sqrt_f32(x) { x = fround(x); return fround(sqrt(x)); }
+
+    function abs_f64(x) { x = +x; return +abs(x); }
+    function abs_f32(x) { x = fround(x); return fround(abs(x)); }
+    function abs_i32(x) { x = x | 0; return abs(x|0) | 0; }
+
+    function acos_f64(x) { x = +x; return +acos(x); }
+    function asin_f64(x) { x = +x; return +asin(x); }
+    function atan_f64(x) { x = +x; return +atan(x); }
+    function cos_f64(x) { x = +x; return +cos(x); }
+    function sin_f64(x) { x = +x; return +sin(x); }
+    function tan_f64(x) { x = +x; return +tan(x); }
+    function exp_f64(x) { x = +x; return +exp(x); }
+    function log_f64(x) { x = +x; return +log(x); }
+
+    function atan2_f64(x, y) { x = +x; y = +y; return +atan2(x, y); }
+    function pow_f64(x, y) { x = +x; y = +y; return +atan2(x, y); }
+
+    function imul_i32(x, y) { x = x | 0; y = y | 0; return imul(x, y) | 0; }
+    function imul_u32(x, y) {
+      x = x | 0; y = y | 0; return imul(x>>>0, y>>>0) | 0; }
+
+    // type -> f32
+    function fround_i32(x) { x = x | 0; return fround(x|0); }
+    function fround_u32(x) { x = x | 0; return fround(x>>>0); }
+    function fround_f32(x) { x = fround(x); return fround(x); }
+    function fround_f64(x) { x = +x; return fround(x); }
+
+    // type -> f32 -> type
+    function fround2_i32(x) { x = x | 0; return ~~fround2(x|0) | 0; }
+    function fround2_u32(x) { x = x | 0; return ~~fround2(x>>>0) | 0; }
+    function fround2_f32(x) { x = fround2(x); return fround2(x); }
+    function fround2_f64(x) { x = +x; return +fround2(x); }
+
+    function min_i32(x, y) { x = x | 0; y = y | 0; return min(x|0, y|0) | 0; }
+    function min_f32(x, y) {
+      x = fround(x); y = fround(y); return fround(min(x, y)); }
+    function min_f64(x, y) { x = +x; y = +y; return +min(x, y); }
+
+    function max_i32(x, y) { x = x | 0; y = y | 0; return max(x|0, y|0) | 0; }
+    function max_f32(x, y) {
+      x = fround(x); y = fround(y); return fround(max(x, y)); }
+    function max_f64(x, y) { x = +x; y = +y; return +max(x, y); }
+
+    return {
+      ceil_f64: ceil_f64,
+      ceil_f32: ceil_f32,
+      floor_f64: floor_f64,
+      floor_f32: floor_f32,
+      sqrt_f64: sqrt_f64,
+      sqrt_f32: sqrt_f32,
+      abs_f64: abs_f64,
+      abs_f32: abs_f32,
+      abs_i32: abs_i32,
+      acos_f64: acos_f64,
+      asin_f64: asin_f64,
+      atan_f64: atan_f64,
+      cos_f64: cos_f64,
+      sin_f64: sin_f64,
+      tan_f64: tan_f64,
+      exp_f64: exp_f64,
+      log_f64: log_f64,
+      imul_i32: imul_i32,
+      imul_u32: imul_u32,
+      fround_i32: fround_i32,
+      fround_u32: fround_u32,
+      fround_f32: fround_f32,
+      fround_f64: fround_f64,
+      fround2_i32: fround2_i32,
+      fround2_u32: fround2_u32,
+      fround2_f32: fround2_f32,
+      fround2_f64: fround2_f64,
+      min_i32: min_i32,
+      min_f32: min_f32,
+      min_f64: min_f64,
+      max_i32: max_i32,
+      max_f32: max_f32,
+      max_f64: max_f64,
+    };
+  }
+  var m = Wasm.instantiateModuleFromAsm(Module.toString());
+  var values = {
+    i32: [
+      0, 1, -1, 123, 456, -123, -456,
+      0x40000000, 0x7FFFFFFF, -0x80000000,
+    ],
+    u32: [
+      0, 1, 123, 456,
+      0x40000000, 0x7FFFFFFF, 0xFFFFFFFF, 0x80000000,
+    ],
+    f32: [
+      0, -0, 1, -1, 0.25, 0.125, 0.9, -0.9, 1.414,
+      0x7F, -0x80, -0x8000, -0x80000000,
+      0x7FFF, 0x7FFFFFFF, Infinity, -Infinity, NaN,
+    ],
+    f64: [
+      0, -0, 1, -1, 0.25, 0.125, 0.9, -0.9, 1.414,
+      0x7F, -0x80, -0x8000, -0x80000000,
+      0x7FFF, 0x7FFFFFFF, Infinity, -Infinity, NaN,
+    ],
+  };
+  var converts = {
+    i32: function(x) { return x | 0; },
+    u32: function(x) { return x >>> 0; },
+    f32: function(x) { return Math.fround(x); },
+    f64: function(x) { return x; },
+  };
+  var two_args = {atan2: true, pow: true, imul: true,
+                  min: true, max: true};
+  var funcs = {
+    ceil: ['f32', 'f64'],
+    floor: ['f32', 'f64'],
+    sqrt: ['f32', 'f64'],
+    abs: ['i32', 'f32', 'f64'],
+    acos: ['f64'],
+    asin: ['f64'],
+    atan: ['f64'],
+    cos: ['f64'],
+    sin: ['f64'],
+    tan: ['f64'],
+    exp: ['f64'],
+    log: ['f64'],
+    imul: ['i32', 'u32'],
+    fround: ['i32', 'u32', 'f32', 'f64'],
+    min: ['i32', 'f32', 'f64'],
+    max: ['i32', 'f32', 'f64'],
+  };
+  var equals = {
+    f64: plainEqual,
+    f64: plainEqual,
+    f32: plainEqual,
+    i32: plainEqual,
+    u32: plainEqual,
+  };
+  var per_func_equals = {
+    // JS uses fdlib for these, so they may not match.
+    // ECMAscript does not required them to have a particular precision.
+    exp_f64: function(x, y) { return looseEqual(x, y, 1e55); },
+    cos_f64: looseEqual,
+    sin_f64: looseEqual,
+    tan_f64: looseEqual,
+    // TODO(bradnelson):
+    // Figure out why some builds (avx2, rel_ng) return a uint.
+    imul_u32: function(x, y) { return (x | 0) === (y | 0); },
+  };
+  for (var func in funcs) {
+    var types = funcs[func];
+    for (var i = 0; i < types.length; i++) {
+      var type = types[i];
+      var interesting = values[type];
+      for (var j = 0; j < interesting.length; j++) {
+        for (var k = 0; k < interesting.length; k++) {
+          var val0 = interesting[j];
+          var val1 = interesting[k];
+          var input0 = converts[type](val0);
+          var input1 = converts[type](val1);
+          var name = func + '_' + type;
+          if (func === 'fround') {
+            // fround returns f32 regardless of input.
+            var expected = Math[func](input0);
+            var actual = m[name](input0);
+          } else if (two_args[func]) {
+            var expected = converts[type](Math[func](input0, input1));
+            var actual = m[name](input0, input1);
+          } else {
+            var expected = converts[type](Math[func](input0, input1));
+            var actual = m[name](input0, input1);
+          }
+          var compare = per_func_equals[name];
+          if (compare === undefined) {
+            compare = equals[type];
+          }
+          assertTrue(typeof(compare) === 'function');
+          if (!compare(expected, actual)) {
+            print(expected + ' !== ' + actual + ' for ' + name +
+                  ' with input ' + input0 + ' ' + input1);
+            assertTrue(false);
+          }
+        }
+      }
+    }
+  }
+})();