testFloat32.js (29116B)
1 load(libdir + "asm.js"); 2 const TO_FLOAT32 = "var toF = glob.Math.fround;"; 3 const HEAP32 = "var f32 = new glob.Float32Array(heap);"; 4 const HEAP64 = "var f64 = new glob.Float64Array(heap);" 5 var heap = new ArrayBuffer(BUF_MIN); 6 7 // Module linking 8 assertAsmLinkAlwaysFail(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() {} return f"), null); 9 assertAsmLinkAlwaysFail(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() {} return f"), {fround: Math.fround}); 10 assertAsmLinkFail(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() {} return f"), {Math: {fround: Math.imul}}); 11 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() {} return f"), {Math:{fround: Math.fround}})(), undefined); 12 13 // Argument coercions 14 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = unknown(x); } return f"); 15 assertAsmTypeFail('glob', USE_ASM + "function f(i) { i = toF(i); } return f"); 16 assertAsmTypeFail('glob', USE_ASM + "var cos = glob.Math.cos; function f(x) { x = cos(x); } return f"); 17 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(); } return f"); 18 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(x, x); } return f"); 19 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF('hi'); } return f"); 20 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(loat); } return f"); 21 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(i) { i = toF(i); } return f"), this)(), undefined); 22 23 // Local variables declarations 24 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = unknown(); } return f"); 25 assertAsmTypeFail('glob', USE_ASM + "var cos = glob.Math.cos; function f() { var i = cos(); } return f"); 26 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(); } return f"); 27 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(x, x); } return f"); 28 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF('hi'); } return f"); 29 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(5); } return f"), this)(), undefined); 30 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(5.); } return f"), this)(), undefined); 31 32 // Return values 33 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(4, 4); } return f"); 34 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(); } return f"); 35 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF({}); } return f"); 36 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(x); } return f"); 37 38 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(42); } return f"), this)(), 42); 39 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(0.); } return f"), this)(), 0); 40 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(-0.); } return f"), this)(), -0); 41 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var inf = glob.Infinity; function f() { return toF(inf); } return f"), this)(), Infinity); 42 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(13.37); } return f"), this)(), Math.fround(13.37)); 43 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return +toF(4.); } return f"), this)(), 4); 44 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return +~~toF(4.5); } return f"), this)(), 4); 45 46 // Assign values 47 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(5.); i = 5; return toF(i); } return f"); 48 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(5.); i = 6.; return toF(i); } return f"); 49 50 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(-0.); return toF(i); } return f"), this)(), -0); 51 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(0.); return toF(i); } return f"), this)(), 0); 52 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(5.); return toF(i); } return f"), this)(), 5); 53 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(5.); i = toF(42); return toF(i); } return f"), this)(), 42); 54 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(5.); i = toF(6.); return toF(i); } return f"), this)(), 6); 55 56 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { var i = toF(5.); f32[0] = toF(6.); i = f32[0]; return toF(i); } return f"); 57 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { var i = toF(5.); f32[0] = toF(6.); i = toF(f32[0]); return toF(i); } return f"), this, null, heap)(), 6); 58 59 // Special array assignments (the other ones are tested in testHeapAccess) 60 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { var i = 5.; f32[0] = i; return toF(f32[0]); } return f"), this, null, heap)(), 5); 61 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "var f64 = new glob.Float64Array(heap); function f() { var i = toF(5.); f64[0] = i; return +f64[0]; } return f"), this, null, heap)(), 5); 62 63 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 1.5; return +f32[0]; } return f"), this, null, heap)(), 1.5); 64 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + HEAP64 + "function f() { f64[0] = 1.5; return toF(f64[0]); } return f"), this, null, heap)(), 1.5); 65 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + HEAP64 + "function f() { f32[0] = toF(42); f64[0] = f32[0]; return +f64[0]; } return f"), this, null, heap)(), 42); 66 67 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = toF(-1.4013e-45) / toF(42.); } return f"), this, null, heap)(), undefined); 68 69 // Coercions 70 // -> from Float32 71 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { var n = 0; n = toF(4.5) | 0; } return f"); 72 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { var i = toF(5.); var n = 0; n = i | 0; return n | 0; } return f"); 73 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(x); var n = 0; n = ~~(x + x) >>> 0; return n | 0; } return f"); 74 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(x); var n = 0.; n = +x; return +n; } return f"), this)(16.64), Math.fround(16.64)); 75 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(x); var n = 0; n = ~~x; return n | 0; } return f"), this)(16.64), 16); 76 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(x); var n = 0; n = ~~x >>> 0; return n | 0; } return f"), this)(16.64), 16); 77 78 // -> from float? 79 function makeCoercion(coercionFunc) { 80 return USE_ASM + HEAP32 + TO_FLOAT32 + "function f(x) { x = toF(x); f32[0] = x; return " + coercionFunc('f32[0]') + " } return f"; 81 } 82 assertAsmTypeFail('glob', 'ffi', 'heap', makeCoercion(x => x + '|0')); 83 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', makeCoercion(x => '+' + x)), this, null, heap)(16.64), Math.fround(16.64)); 84 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', makeCoercion(x => 'toF(' + x + ')')), this, null, heap)(16.64), Math.fround(16.64)); 85 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', makeCoercion(x => '~~+' + x + '|0')), this, null, heap)(16.64), 16); 86 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', makeCoercion(x => '~~toF(' + x + ')|0')), this, null, heap)(16.64), 16); 87 88 // -> to Float32 89 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = x|0; return toF(~~x); } return f"), this)(23), 23); 90 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = x|0; return toF(x >> 0); } return f"), this)(23), 23); 91 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = +x; return toF(x); } return f"), this)(13.37), Math.fround(13.37)); 92 93 UINT32_MAX = Math.pow(2, 32)-1; 94 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = x|0; return toF(x >>> 0); } return f"), this)(-1), Math.fround(UINT32_MAX)); 95 var tof = asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = x|0; return toF(x>>>0) } return f"), this); 96 for (x of [0, 1, 10, 64, 1025, 65000, Math.pow(2,30), Math.pow(2,31), Math.pow(2,32)-2, Math.pow(2,32)-1]) 97 assertEq(tof(x), Math.fround(x)); 98 99 // Global variables imports 100 assertAsmTypeFail('glob', USE_ASM + "var x = toF(); function f() {} return f"); 101 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var x = some(3); function f() {} return f"); 102 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var x = toF(); function f() {} return f"); 103 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var x = toF(3, 4); function f() {} return f"); 104 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var x = toF({x: 3}); function f() {} return f"); 105 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var x = toF(true); function f() {} return f"); 106 assertAsmTypeFail('glob', USE_ASM + "var x = toF(3);" + TO_FLOAT32 + "function f() {} return f"); 107 108 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var x = toF(3.5); function f() {} return f"), this)(), undefined); 109 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var x = toF(3); function f() {} return f"), this)(), undefined); 110 assertEq(asmLink(asmCompile('glob', 'ffi', USE_ASM + TO_FLOAT32 + "var x = toF(ffi.x); function f() {} return f"), this, {x:3})(), undefined); 111 assertEq(asmLink(asmCompile('glob', 'ffi', USE_ASM + TO_FLOAT32 + "var x = toF(ffi.x); function f() {} return f"), this, {x:3.5})(), undefined); 112 113 // Global variables uses 114 values = [2.01, 13.37, -3.141592653] 115 specials = [NaN, Infinity] 116 117 for (v of values) { 118 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var x = toF(" + v + "); function f() {return toF(x);} return f"), this)(), Math.fround(v)); 119 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "const x = toF(" + v + "); function f() {return toF(x);} return f"), this)(), Math.fround(v)); 120 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var x = toF(0.); function f() {x = toF(" + v + "); return toF(x);} return f"), this)(), Math.fround(v)); 121 assertEq(asmLink(asmCompile('glob', 'ffi', USE_ASM + TO_FLOAT32 + "var x = toF(ffi.x); function f() {return toF(x);} return f"), this, {x:v})(), Math.fround(v)); 122 } 123 124 for (v of specials) { 125 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var special = glob." + v + "; var g=toF(0.); function f() {g=toF(special); return toF(g);} return f"), this)(), Math.fround(v)); 126 } 127 128 // Math builtins 129 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var imul = glob.Math.imul; function f() {var x = toF(1.5), y = toF(2.4); return imul(x, y) | 0;} return f"); 130 131 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var abs = glob.Math.abs; function f() {var x = toF(1.5); return abs(x) | 0;} return f"); 132 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var abs = glob.Math.abs; function f() {var x = toF(1.5); return +abs(x);} return f"); 133 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var abs = glob.Math.abs; function f() {var x = toF(1.5); return +toF(abs(x));} return f"), this)(), 1.5); 134 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var abs = glob.Math.abs; function f() {var x = toF(1.5); return toF(abs(x))} return f"), this)(), Math.fround(1.5)); 135 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var abs = glob.Math.abs; function f() {var x = toF(-1.5); return toF(abs(x))} return f"), this)(), Math.fround(1.5)); 136 137 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var sqrt = glob.Math.sqrt; function f() {var x = toF(1.5); return sqrt(x) | 0;} return f"); 138 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var sqrt = glob.Math.sqrt; function f() {var x = toF(1.5); return +sqrt(x);} return f"); 139 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var sqrt = glob.Math.sqrt; function f() {var x = toF(1.5); return +toF(sqrt(x));} return f"), this)(), Math.fround(Math.sqrt(Math.fround(1.5)))); 140 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var sqrt = glob.Math.sqrt; function f() {var x = toF(2.25); return toF(sqrt(x))} return f"), this)(), Math.fround(1.5)); 141 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var sqrt = glob.Math.sqrt; function f() {var x = toF(-1.); return toF(sqrt(x))} return f"), this)(), NaN); 142 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var sqrt = glob.Math.sqrt; var inf = glob.Infinity; function f() {var x = toF(0.); x = toF(inf); return toF(sqrt(x))} return f"), this)(), Infinity); 143 144 // float?s 145 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + HEAP32 + TO_FLOAT32 + "var sqrt = glob.Math.sqrt; function f(x) { x = toF(x); f32[0] = x; return toF(sqrt(f32[0])) } return f"), this, null, heap)(64), Math.fround(8)); 146 147 // The only other Math functions that can receive float32 as arguments and that strictly commute are floor and ceil (see 148 // also bug 969203). 149 var floorModule = asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.floor; function f(x) {x = toF(x); return toF(g(x))} return f"), this); 150 for (v of [-10.5, -1.2345, -1, 0, 1, 3.141592653, 13.37, Math.Infinity, NaN]) 151 assertEq(floorModule(v), Math.fround(Math.floor(Math.fround(v)))); 152 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + HEAP32 + TO_FLOAT32 + "var floor = glob.Math.floor; function f(x) { x = toF(x); f32[0] = x; return toF(floor(f32[0])) } return f"), this, null, heap)(13.37), 13); 153 154 var ceilModule = asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.ceil; function f(x) {x = toF(x); return toF(g(x))} return f"), this); 155 for (v of [-10.5, -1.2345, -1, 0, 1, 3.141592653, 13.37, Math.Infinity, NaN]) 156 assertEq(ceilModule(v), Math.fround(Math.ceil(Math.fround(v)))); 157 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + HEAP32 + TO_FLOAT32 + "var ceil = glob.Math.ceil; function f(x) { x = toF(x); f32[0] = x; return toF(ceil(f32[0])) } return f"), this, null, heap)(13.37), 14); 158 159 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.cos; function f(x) {x = toF(x); return toF(g(x))} return f"); 160 161 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.cos; function f(x) {x = toF(x); return +(g(x))} return f"); 162 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.cos; function f(x) {x = x|0; return toF(g(x))} return f"); 163 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.cos; function f(x) {x = toF(x); return g(x) | 0} return f"); 164 165 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.cos; function f(x) {x = +x; return toF(g(+x))} return f"), this)(5), Math.fround(Math.cos(5))); 166 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.cos; function f(x) {x = +x; return toF(g(x))} return f"), this)(5), Math.fround(Math.cos(5))); 167 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + HEAP32 + TO_FLOAT32 + "var g = glob.Math.cos; function f(x) { x = toF(x); return toF(+g(+x)) } return f"), this, null, heap)(3.14159265358), -1); 168 169 // Math functions with arity of two are not specialized for floats, so we shouldn't feed them with floats arguments or 170 // return type 171 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.pow; function f(x) {x = toF(x); return toF(g(x, 2.))} return f"); 172 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.pow; function f(x) {x = toF(x); return +g(x, 2.)} return f"); 173 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.pow; function f(x) {x = toF(x); return toF(g(+x, 2.))} return f"), this)(3), 9); 174 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.pow; function f(x) {x = toF(x); return +g(+x, 2.)} return f"), this)(3), 9); 175 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = glob.Math.pow; function f(x) {x = toF(x); return toF(+g(+x, 2.))} return f"), this)(3), 9); 176 177 // Other function calls 178 // -> Signature comparisons 179 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function g(x){x=toF(x); return toF(x);} function f() {var x=toF(4.); var y=toF(0.); var z = 0.; y=toF(g(x)); z = +g(x); return toF(z); } return f"); 180 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var sqrt=glob.Math.sqrt; function g(x){x=toF(x); return toF(sqrt(x));} function f() {var x=toF(4.); var y=toF(0.); var z = 0.; y = toF(g(x)); z = +toF(g(x)); return toF(z); } return f"), this)(), 2); 181 182 // -> FFI 183 var FFI = "var ffi = env.ffi;"; 184 assertAsmTypeFail('glob', 'env', USE_ASM + TO_FLOAT32 + FFI + "function f() {var x = toF(3.14); return +ffi(x);} return f"); 185 assertAsmTypeFail('glob', 'env', USE_ASM + TO_FLOAT32 + FFI + "function f() {var x = toF(3.14); return toF(ffi(+x));} return f"); 186 187 var env = {ffi: function(x) { return x+1; }}; // use registers 188 assertEq(asmLink(asmCompile('glob', 'env', USE_ASM + TO_FLOAT32 + FFI + "function f(x) {x = toF(x); return toF(+ffi(+x));} return f"), this, env)(5), Math.fround(6)); 189 env = {ffi: function(a,b,c,d,e,f,g,h,i) { return a+b+c+d+e+f+g+h+i; }}; // use stack arguments (> 8 arguments on linux x64) 190 assertEq(asmLink(asmCompile('glob', 'env', USE_ASM + TO_FLOAT32 + FFI + "function f(x) {x = toF(x); return toF(+ffi(+x, 1., 2., 3., 4., 5., -5., -4., 1.));} return f"), this, env)(5), Math.fround(12)); 191 192 // -> Internal calls 193 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function g(x){x=toF(x);return toF(+x + 1.);} function f(x) {x = +x; return toF(g(x));} return f"); 194 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function g(x){x=toF(x);return toF(+x + 1.);} function f(x) {x = x|0; return toF(g(x));} return f"); 195 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function g(x){x=toF(x);return toF(+x + 1.);} function f(x) {x = x|0; return toF(g(x));} return f"); 196 197 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function g(x){x=toF(x);return toF(+x + 1.);} function f(x) {x = toF(x); return toF(g(x));} return f"), this, env)(5), Math.fround(6)); 198 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function g(x,y){x=toF(x);y=toF(y);return toF(+x + +y);} function f(x) {x = toF(x); return toF(g(x, toF(1.)));} return f"), this, env)(5), Math.fround(6)); 199 200 // --> internal calls with unused return values 201 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "var g = 4; function s(x) { x = +x; g = (g + ~~x)|0; return g|0;} function f(x) { x = +x; toF(s(x)); return g|0} return f"); 202 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = 4; function s(x) { x = +x; g = (g + ~~x)|0; return toF(g|0);} function f(x) { x = +x; toF(s(x)); return g|0} return f"), this)(3), 7); 203 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = 4; function s(x) { x = toF(x); g = (g + ~~x)|0; return toF(g|0);} function f(x) { x = toF(x); return (toF(s(x)), g)|0} return f"), this)(3), 7); 204 205 // --> coerced calls 206 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = 4; function s(x) { x = toF(x); g = (g + ~~x)|0; return +(g|0);} function f(x) { x = toF(x); return toF(+s(x))} return f"), this)(3), 7); 207 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = 4; function s(x) { x = toF(x); g = (g + ~~x)|0; return g|0;} function f(x) { x = toF(x); return toF(s(x)|0)} return f"), this)(3), 7); 208 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "var g = 4; function s(x) { x = toF(x); g = (g + ~~x)|0; return toF(g|0);} function f(x) { x = toF(x); return toF(toF(s(x)))} return f"), this)(3), 7); 209 210 // --> test pressure on registers in internal calls when there are |numArgs| arguments 211 for (numArgs of [5, 9, 17, 33, 65, 129]) { 212 let code = (function(n) { 213 let args = "", coercions = "", sum = "", call="x"; 214 for (let i = 0; i < n; i++) { 215 let name = 'a' + i; 216 args += name + ((i == n-1)?'':','); 217 coercions += name + '=toF(' + name + ');'; 218 sum += ((i>0)?'+':'') + ' +' + name; 219 call += (i==0)?'':',toF(' + i + '.)' 220 } 221 return "function g(" + args + "){" + coercions + "return toF(" + sum + ");}" 222 +"function f(x) { x = toF(x); return toF(g(" + call + "))}"; 223 })(numArgs); 224 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + code + "return f"), this, env)(5), Math.fround(5 + numArgs * (numArgs-1) / 2)); 225 } 226 227 // -> Pointer calls 228 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function a(x){x=toF(x);return toF(+x + .5);} function b(x){x=toF(x);return toF(+x - .5);} function f(x, n) {x=+x;n=n|0;return toF(t[n&1](x));} var t=[a,b]; return f"); 229 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function a(x){x=toF(x);return toF(+x + .5);} function b(x){x=toF(x);return toF(+x - .5);} function f(x, n) {x=x|0;n=n|0;return toF(t[n&1](x));} var t=[a,b]; return f"); 230 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function a(x){x=toF(x);return toF(+x + .5);} function b(x){x=toF(x);return toF(+x - .5);} function f(x, n) {x=toF(x);n=n|0;return t[n&1](x)|0;} var t=[a,b]; return f"); 231 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function a(x){x=toF(x);return toF(+x + .5);} function b(x){x=toF(x);return toF(+x - .5);} function f(x, n) {x=toF(x);n=n|0;return +t[n&1](x);} var t=[a,b]; return f"); 232 233 code = asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function a(x){x=toF(x);return toF(+x + .5);} function b(x){x=toF(x);return toF(+x - .5);}" 234 + "function f(x, n) {x=toF(x);n=n|0;return toF(t[n&1](x));} var t=[a,b]; return f"), this); 235 assertEq(code(0, 0), .5); 236 assertEq(code(0, 1), -.5); 237 assertEq(code(13.37, 0), Math.fround(13.37 + .5)); 238 assertEq(code(13.37, 1), Math.fround(13.37 - .5)); 239 240 // Arithmetic operations 241 // -> mul 242 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(3 * toF(4.));} return f"); 243 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(3. * toF(4.)); } return f"); 244 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return +(toF(3.) * toF(4.));} return f"); 245 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3) * toF(4) * toF(5));} return f"); 246 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3.) * toF(4.)); } return f"), this)(), 12); 247 248 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(3 * f32[0]);} return f"); 249 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(3. * f32[0]);} return f"); 250 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return +(toF(3.) * f32[0]);} return f"); 251 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(toF(3.) * f32[0]);} return f"), this, null, heap)(), 12); 252 253 var mul = asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x=toF(x); return toF(x * toF(4.));} return f"), this); 254 assertEq(mul(Infinity), Infinity); 255 assertEq(mul(NaN), NaN); 256 assertEq(mul(0), 0); 257 assertEq(mul(1), 4); 258 assertEq(mul(0.33), Math.fround(0.33 * 4)); 259 260 // -> add 261 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(3 + toF(4.));} return f"); 262 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(3.5 + toF(4.));} return f"); 263 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return +(toF(3.5) + toF(4.));} return f"); 264 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3.5) + toF(4.)); } return f"), this)(), 7.5); 265 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3.5) + toF(4.) + toF(4.5));} return f"); 266 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(toF(3.5) + toF(4.)) + toF(4.5)); } return f"), this)(), 12); 267 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(toF(3) + f32[0]);} return f"), this, null, heap)(), 7); 268 269 // --> no additions with float? or floatish 270 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(3 + f32[0]);} return f"); 271 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(3. + f32[0]);} return f"); 272 273 // -> sub 274 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(3 - toF(4.));} return f"); 275 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(3.5 - toF(4.));} return f"); 276 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return +(toF(3.5) - toF(4.));} return f"); 277 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3.5) - toF(4.)); } return f"), this)(), -.5); 278 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3.5) - toF(4.) - toF(4.5));} return f"); 279 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(toF(3.5) - toF(4.)) - toF(4.5)); } return f"), this)(), -5); 280 281 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3.5) + toF(4.) - toF(4.5));} return f"); 282 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3.5) - toF(4.) + toF(4.5));} return f"); 283 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(toF(3.5) + toF(4.)) - toF(4.5)); } return f"), this)(), 3); 284 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(toF(3.5) - toF(4.)) + toF(4.5)); } return f"), this)(), 4); 285 286 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(3 - f32[0]);} return f"); 287 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(3. - f32[0]);} return f"); 288 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return +(toF(3) - f32[0]);} return f"); 289 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(toF(3) - f32[0]);} return f"), this, null, heap)(), -1); 290 291 // -> div 292 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(3 / toF(4.));} return f"); 293 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(3.5 / toF(4.));} return f"); 294 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return +(toF(3.5) / toF(4.));} return f"); 295 assertEq(asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(12.) / toF(4.)); } return f"), this)(), 3); 296 297 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(3 / f32[0]);} return f"); 298 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return toF(3. / f32[0]);} return f"); 299 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 4.; return +(toF(3) / f32[0]);} return f"); 300 assertEq(asmLink(asmCompile('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { f32[0] = 2.; return toF(toF(4) / f32[0]);} return f"), this, null, heap)(), 2); 301 302 // -> mod 303 assertAsmTypeFail('glob', USE_ASM + TO_FLOAT32 + "function f() { return toF(toF(3.5) % toF(4.));} return f"); 304 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { return toF(f32[0] % toF(4.));} return f"); 305 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { return toF(toF(3.5) % f32[0]);} return f"); 306 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { return toF(f32[1] % f32[0]);} return f"); 307 308 // Comparisons 309 for (op of ['==', '!=', '<', '>', '<=', '>=']) { 310 let code = asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(x); if( x " + op + " toF(3.) ) return 1; else return 0; return -1; } return f"), this); 311 let ternary = asmLink(asmCompile('glob', USE_ASM + TO_FLOAT32 + "function f(x) { x = toF(x); return ((x " + op + " toF(3.)) ? 1 : 0)|0 } return f"), this); 312 for (v of [-5, 0, 2.5, 3, 13.37, NaN, Infinity]) { 313 let expected = eval("("+ v + " " + op + " 3)|0"); 314 assertEq(code(v) | 0, expected); 315 assertEq(ternary(v) | 0, expected); 316 } 317 318 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { if( f32[0] " + op + " toF(3.) ) return 1; else return 0; return -1; } return f"); 319 assertAsmTypeFail('glob', 'ffi', 'heap', USE_ASM + TO_FLOAT32 + HEAP32 + "function f() { if( (toF(1.) + toF(2.)) " + op + " toF(3.) ) return 1; else return 0; return -1; } return f"); 320 }