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1d29d81c69
PR-URL: https://github.com/nodejs/node/pull/52293 Reviewed-By: Moshe Atlow <moshe@atlow.co.il> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
95 lines
3.2 KiB
JavaScript
95 lines
3.2 KiB
JavaScript
// Copyright 2023 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-memory64
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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const GB = 1024 * 1024 * 1024;
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const SRC_OFFSET = 4294970000n; // 0x100000a90n
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const SRC_OFFSET_LEB = [0x90, 0x95, 0x80, 0x80, 0x10];
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const DST_OFFSET = 4294970160n;
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const DST_OFFSET_LEB = [0xb0, 0x96, 0x80, 0x80, 0x10];
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const builder = new WasmModuleBuilder();
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builder.addMemory64(5 * GB / kPageSize);
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builder.exportMemoryAs('memory');
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// Here we make a global of type v128 to be the target
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// for loading lanes and the source for storing lanes.
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var g = builder.addGlobal(
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kWasmS128, true, false,
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[kSimdPrefix, kExprS128Const,
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1, 0, 0, 0, 2, 0, 0, 0, 3, 0, 0, 0, 4, 0, 0, 0]);
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for (let i = 0; i < 4; ++i) {
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builder.addFunction(`load_lane_${i}`, kSig_v_l)
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.addBody([kExprLocalGet, 0,
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kExprGlobalGet, g.index,
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kSimdPrefix, kExprS128Load32Lane, 0, 0, i,
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kExprGlobalSet, g.index])
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.exportFunc();
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builder.addFunction(`store_lane_${i}`, kSig_v_l)
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.addBody([kExprLocalGet, 0,
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kExprGlobalGet, g.index,
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kSimdPrefix, kExprS128Store32Lane, 0, 0, i])
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.exportFunc();
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builder.addFunction(`Load_Lane_${i}`, kSig_v_l)
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.addBody([kExprLocalGet, 0,
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kExprGlobalGet, g.index,
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kSimdPrefix, kExprS128Load32Lane, 0, ...SRC_OFFSET_LEB, i,
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kExprGlobalSet, g.index])
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.exportFunc();
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builder.addFunction(`Store_Lane_${i}`, kSig_v_l)
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.addBody([kExprLocalGet, 0,
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kExprGlobalGet, g.index,
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kSimdPrefix, kExprS128Store32Lane, 0, ...DST_OFFSET_LEB, i])
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.exportFunc();
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}
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(function TestLoadStoreLaneExternalOffset(){
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print(arguments.callee.name);
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var instance = builder.instantiate({});
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var buffer = instance.exports.memory.buffer;
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var src_view = new Uint32Array(buffer, Number(SRC_OFFSET), 4);
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var dst_view = new Uint32Array(buffer, Number(DST_OFFSET), 4);
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var values = [ 0x01234567, 0x89abcdef, 0x76543210, 0xfedcba98 ];
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var expected_values = [ 0, 0, 0, 0 ];
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src_view.set(values, 0);
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for (let i = 0n; i < 4n; ++i) {
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expected_values[i] = values[i];
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const offset = 4n * i;
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instance.exports[`load_lane_${i}`](SRC_OFFSET + offset);
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instance.exports[`store_lane_${i}`](DST_OFFSET + offset);
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assertEquals(expected_values, Array.from(dst_view.values()));
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}
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})();
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(function TestLoadStoreLaneInternalOffset(){
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print(arguments.callee.name);
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var instance = builder.instantiate({});
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var buffer = instance.exports.memory.buffer;
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var src_view = new Uint32Array(buffer, Number(SRC_OFFSET), 4);
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var dst_view = new Uint32Array(buffer, Number(DST_OFFSET), 4);
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var values = [ 0x01234567, 0x89abcdef, 0x76543210, 0xfedcba98 ];
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var expected_values = [ 0, 0, 0, 0 ];
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src_view.set(values, 0);
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for (let i = 0n; i < 4n; ++i) {
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expected_values[i] = values[i];
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const offset = 4n * i;
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instance.exports[`Load_Lane_${i}`](offset);
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instance.exports[`Store_Lane_${i}`](offset);
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assertEquals(expected_values, Array.from(dst_view.values()));
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}
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})();
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