Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Flags: --expose-wasm |
| 6 | |
| 7 | function WrapInAsmModule(func) { |
| 8 | function MODULE_NAME(stdlib) { |
| 9 | "use asm"; |
| 10 | var imul = stdlib.Math.imul; |
| 11 | |
| 12 | FUNC_BODY |
| 13 | return {main: FUNC_NAME}; |
| 14 | } |
| 15 | |
| 16 | var source = MODULE_NAME.toString() |
| 17 | .replace(/MODULE_NAME/g, func.name + "_module") |
| 18 | .replace(/FUNC_BODY/g, func.toString()) |
| 19 | .replace(/FUNC_NAME/g, func.name); |
| 20 | return eval("(" + source + ")"); |
| 21 | } |
| 22 | |
| 23 | function RunThreeWayTest(asmfunc, expect) { |
| 24 | var asm_source = asmfunc.toString(); |
| 25 | var nonasm_source = asm_source.replace(new RegExp("use asm"), ""); |
| 26 | var stdlib = {Math: Math}; |
| 27 | |
| 28 | var js_module = eval("(" + nonasm_source + ")")(stdlib); |
| 29 | print("Testing " + asmfunc.name + " (js)..."); |
| 30 | expect(js_module); |
| 31 | |
| 32 | print("Testing " + asmfunc.name + " (asm.js)..."); |
| 33 | var asm_module = asmfunc(stdlib); |
| 34 | expect(asm_module); |
| 35 | |
| 36 | print("Testing " + asmfunc.name + " (wasm)..."); |
| 37 | var wasm_module = Wasm.instantiateModuleFromAsm(asm_source, stdlib); |
| 38 | expect(wasm_module); |
| 39 | } |
| 40 | |
| 41 | const imul = Math.imul; |
| 42 | |
| 43 | function u32_add(a, b) { |
| 44 | a = a | 0; |
| 45 | b = b | 0; |
| 46 | return +(((a >>> 0) + (b >>> 0)) >>> 0); |
| 47 | } |
| 48 | |
| 49 | function u32_sub(a, b) { |
| 50 | a = a | 0; |
| 51 | b = b | 0; |
| 52 | return +(((a >>> 0) - (b >>> 0)) >>> 0); |
| 53 | } |
| 54 | |
| 55 | function u32_mul(a, b) { |
| 56 | a = a | 0; |
| 57 | b = b | 0; |
| 58 | return +imul(a >>> 0, b >>> 0); |
| 59 | } |
| 60 | |
| 61 | function u32_div(a, b) { |
| 62 | a = a | 0; |
| 63 | b = b | 0; |
| 64 | return +(((a >>> 0) / (b >>> 0)) >>> 0); |
| 65 | } |
| 66 | |
| 67 | function u32_mod(a, b) { |
| 68 | a = a | 0; |
| 69 | b = b | 0; |
| 70 | return +(((a >>> 0) % (b >>> 0)) >>> 0); |
| 71 | } |
| 72 | |
| 73 | function u32_and(a, b) { |
| 74 | a = a | 0; |
| 75 | b = b | 0; |
| 76 | return +((a >>> 0) & (b >>> 0)); |
| 77 | } |
| 78 | |
| 79 | function u32_or(a, b) { |
| 80 | a = a | 0; |
| 81 | b = b | 0; |
| 82 | return +((a >>> 0) | (b >>> 0)); |
| 83 | } |
| 84 | |
| 85 | function u32_xor(a, b) { |
| 86 | a = a | 0; |
| 87 | b = b | 0; |
| 88 | return +((a >>> 0) ^ (b >>> 0)); |
| 89 | } |
| 90 | |
| 91 | function u32_shl(a, b) { |
| 92 | a = a | 0; |
| 93 | b = b | 0; |
| 94 | return +((a >>> 0) << (b >>> 0)); |
| 95 | } |
| 96 | |
| 97 | function u32_shr(a, b) { |
| 98 | a = a | 0; |
| 99 | b = b | 0; |
| 100 | return +((a >>> 0) >> (b >>> 0)); |
| 101 | } |
| 102 | |
| 103 | function u32_sar(a, b) { |
| 104 | a = a | 0; |
| 105 | b = b | 0; |
| 106 | return ((a >>> 0) >>> (b >>> 0)) | 0; |
| 107 | } |
| 108 | |
| 109 | function u32_eq(a, b) { |
| 110 | a = a | 0; |
| 111 | b = b | 0; |
| 112 | if ((a >>> 0) == (b >>> 0)) { |
| 113 | return 1; |
| 114 | } |
| 115 | return 0; |
| 116 | } |
| 117 | |
| 118 | function u32_ne(a, b) { |
| 119 | a = a | 0; |
| 120 | b = b | 0; |
| 121 | if ((a >>> 0) < (b >>> 0)) { |
| 122 | return 1; |
| 123 | } |
| 124 | return 0; |
| 125 | } |
| 126 | |
| 127 | function u32_lt(a, b) { |
| 128 | a = a | 0; |
| 129 | b = b | 0; |
| 130 | if ((a >>> 0) < (b >>> 0)) { |
| 131 | return 1; |
| 132 | } |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | function u32_lteq(a, b) { |
| 137 | a = a | 0; |
| 138 | b = b | 0; |
| 139 | if ((a >>> 0) <= (b >>> 0)) { |
| 140 | return 1; |
| 141 | } |
| 142 | return 0; |
| 143 | } |
| 144 | |
| 145 | function u32_gt(a, b) { |
| 146 | a = a | 0; |
| 147 | b = b | 0; |
| 148 | if ((a >>> 0) > (b >>> 0)) { |
| 149 | return 1; |
| 150 | } |
| 151 | return 0; |
| 152 | } |
| 153 | |
| 154 | function u32_gteq(a, b) { |
| 155 | a = a | 0; |
| 156 | b = b | 0; |
| 157 | if ((a >>> 0) >= (b >>> 0)) { |
| 158 | return 1; |
| 159 | } |
| 160 | return 0; |
| 161 | } |
| 162 | |
| 163 | |
| 164 | var inputs = [ |
| 165 | 0, 1, 2, 3, 4, |
| 166 | 10, 20, 30, 31, 32, 33, 100, 2000, |
| 167 | 30000, 400000, 5000000, |
| 168 | 100000000, 2000000000, |
| 169 | 2147483646, |
| 170 | 2147483647, |
| 171 | 2147483648, |
| 172 | 2147483649, |
| 173 | 0x273a798e, 0x187937a3, 0xece3af83, 0x5495a16b, 0x0b668ecc, 0x11223344, |
| 174 | 0x0000009e, 0x00000043, 0x0000af73, 0x0000116b, 0x00658ecc, 0x002b3b4c, |
| 175 | 0x88776655, 0x70000000, 0x07200000, 0x7fffffff, 0x56123761, 0x7fffff00, |
| 176 | 0x761c4761, 0x80000000, 0x88888888, 0xa0000000, 0xdddddddd, 0xe0000000, |
| 177 | 0xeeeeeeee, 0xfffffffd, 0xf0000000, 0x007fffff, 0x003fffff, 0x001fffff, |
| 178 | 0x000fffff, 0x0007ffff, 0x0003ffff, 0x0001ffff, 0x0000ffff, 0x00007fff, |
| 179 | 0x00003fff, 0x00001fff, 0x00000fff, 0x000007ff, 0x000003ff, 0x000001ff, |
| 180 | -1, -2, -3, -4, |
| 181 | -10, -20, -30, -31, -32, -33, -100, -2000, |
| 182 | -30000, -400000, -5000000, |
| 183 | -100000000, -2000000000, |
| 184 | -2147483646, |
| 185 | -2147483647, |
| 186 | -2147483648, |
| 187 | -2147483649, |
| 188 | ]; |
| 189 | |
| 190 | var funcs = [ |
| 191 | u32_add, |
| 192 | u32_sub, |
| 193 | u32_div, |
| 194 | u32_mod, |
| 195 | // TODO(titzer): u32_mul crashes turbofan in asm.js mode |
| 196 | u32_and, |
| 197 | u32_or, |
| 198 | u32_xor, |
| 199 | u32_shl, |
| 200 | u32_shr, |
| 201 | u32_sar, |
| 202 | u32_eq, |
| 203 | u32_ne, |
| 204 | u32_lt, |
| 205 | u32_lteq, |
| 206 | u32_gt, |
| 207 | u32_gteq, |
| 208 | // TODO(titzer): u32_min |
| 209 | // TODO(titzer): u32_max |
| 210 | // TODO(titzer): u32_abs |
| 211 | ]; |
| 212 | |
| 213 | (function () { |
| 214 | for (func of funcs) { |
| 215 | RunThreeWayTest(WrapInAsmModule(func), function (module) { |
| 216 | for (a of inputs) { |
| 217 | for (b of inputs) { |
| 218 | var expected = func(a, b); |
| 219 | assertEquals(expected, module.main(a, b)); |
| 220 | } |
| 221 | } |
| 222 | }); |
| 223 | } |
| 224 | |
| 225 | })(); |