bf1565d708
This proposal adds i32 and i64 addition, subtraction, and multiplication to the list of constant expressions. See https://github.com/WebAssembly/extended-const. Bug: v8:12089 Change-Id: I23a27a54a15fd37ee1d553992ab3b355eb9d317c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3497665 Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> Cr-Commit-Position: refs/heads/main@{#79362}
75 lines
2.5 KiB
JavaScript
75 lines
2.5 KiB
JavaScript
// Copyright 2022 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --experimental-wasm-extended-const
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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(function ExtendedConstantsTestI32() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let imported_global_0 = builder.addImportedGlobal("m", "g0", kWasmI32, false);
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let imported_global_1 = builder.addImportedGlobal("m", "g1", kWasmI32, false);
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let defined_global = builder.addGlobal(
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kWasmI32, false,
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WasmInitExpr.I32Add(
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WasmInitExpr.GlobalGet(imported_global_0),
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WasmInitExpr.I32Mul(
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WasmInitExpr.GlobalGet(imported_global_1),
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WasmInitExpr.I32Sub(
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WasmInitExpr.GlobalGet(imported_global_0),
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WasmInitExpr.I32Const(1)))));
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builder.addExportOfKind("global", kExternalGlobal, defined_global.index);
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let value0 = 123;
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let value1 = -450;
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let global_obj0 = new WebAssembly.Global({value: "i32", mutable: false},
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value0);
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let global_obj1 = new WebAssembly.Global({value: "i32", mutable: false},
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value1);
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let instance = builder.instantiate({m : {g0: global_obj0, g1: global_obj1}});
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assertEquals(value0 + (value1 * (value0 - 1)), instance.exports.global.value);
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})();
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(function ExtendedConstantsTestI64() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let imported_global_0 = builder.addImportedGlobal("m", "g0", kWasmI64, false);
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let imported_global_1 = builder.addImportedGlobal("m", "g1", kWasmI64, false);
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let defined_global = builder.addGlobal(
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kWasmI64, false,
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WasmInitExpr.I64Add(
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WasmInitExpr.GlobalGet(imported_global_0),
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WasmInitExpr.I64Mul(
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WasmInitExpr.GlobalGet(imported_global_1),
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WasmInitExpr.I64Sub(
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WasmInitExpr.GlobalGet(imported_global_0),
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WasmInitExpr.I64Const(1)))));
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builder.addExportOfKind("global", kExternalGlobal, defined_global.index);
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let value0 = 123n;
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let value1 = -450n;
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let global_obj0 = new WebAssembly.Global({value: "i64", mutable: false},
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value0);
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let global_obj1 = new WebAssembly.Global({value: "i64", mutable: false},
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value1);
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let instance = builder.instantiate({m : {g0: global_obj0, g1: global_obj1}});
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assertEquals(value0 + (value1 * (value0 - 1n)),
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instance.exports.global.value);
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})();
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