| // Copyright 2020 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: --experimental-wasm-simd |
| |
| let registry = {}; |
| |
| function module(bytes, valid = true) { |
| let buffer = new ArrayBuffer(bytes.length); |
| let view = new Uint8Array(buffer); |
| for (let i = 0; i < bytes.length; ++i) { |
| view[i] = bytes.charCodeAt(i); |
| } |
| let validated; |
| try { |
| validated = WebAssembly.validate(buffer); |
| } catch (e) { |
| throw new Error("Wasm validate throws"); |
| } |
| if (validated !== valid) { |
| throw new Error("Wasm validate failure" + (valid ? "" : " expected")); |
| } |
| return new WebAssembly.Module(buffer); |
| } |
| |
| function instance(bytes, imports = registry) { |
| return new WebAssembly.Instance(module(bytes), imports); |
| } |
| |
| function call(instance, name, args) { |
| return instance.exports[name](...args); |
| } |
| |
| function exports(name, instance) { |
| return {[name]: instance.exports}; |
| } |
| |
| function assert_return(action, expected) { |
| let actual = action(); |
| if (!Object.is(actual, expected)) { |
| throw new Error("Wasm return value " + expected + " expected, got " + actual); |
| }; |
| } |
| |
| let f32 = Math.fround; |
| |
| // simple.wast:1 |
| let $1 = instance("\x00\x61\x73\x6d\x01\x00\x00\x00\x01\x09\x02\x60\x00\x00\x60\x01\x7f\x01\x7d\x03\x04\x03\x00\x00\x01\x05\x03\x01\x00\x01\x07\x1c\x02\x11\x72\x65\x70\x6c\x61\x63\x65\x5f\x6c\x61\x6e\x65\x5f\x74\x65\x73\x74\x00\x01\x04\x72\x65\x61\x64\x00\x02\x08\x01\x00\x0a\x6e\x03\x2a\x00\x41\x10\x43\x00\x00\x80\x3f\x38\x02\x00\x41\x14\x43\x00\x00\x00\x40\x38\x02\x00\x41\x18\x43\x00\x00\x40\x40\x38\x02\x00\x41\x1c\x43\x00\x00\x80\x40\x38\x02\x00\x0b\x39\x01\x01\x7b\x41\x10\x2a\x02\x00\xfd\x13\x21\x00\x20\x00\x41\x10\x2a\x01\x04\xfd\x20\x01\x21\x00\x20\x00\x41\x10\x2a\x01\x08\xfd\x20\x02\x21\x00\x20\x00\x41\x10\x2a\x01\x0c\xfd\x20\x03\x21\x00\x41\x00\x20\x00\xfd\x0b\x02\x00\x0b\x07\x00\x20\x00\x2a\x02\x00\x0b"); |
| |
| // simple.wast:49 |
| call($1, "replace_lane_test", []); |
| |
| // simple.wast:50 |
| assert_return(() => call($1, "read", [0]), f32(1.0)); |
| |
| // simple.wast:51 |
| assert_return(() => call($1, "read", [4]), f32(2.0)); |
| |
| // simple.wast:52 |
| assert_return(() => call($1, "read", [8]), f32(3.0)); |
| |
| // simple.wast:53 |
| assert_return(() => call($1, "read", [12]), f32(4.0)); |