8bb41e8d94
On ia32, the upper "half stack slot" must be located above the lower half stack slot (in absolute address), hence the index is "2 * index - 1" instead of "2 * index + 1". Note that the index describes the negative offset from the stack pointer. R=titzer@chromium.org Bug: v8:7579 Change-Id: If207af405b126ab30043432d7934273e6e2a5330 Reviewed-on: https://chromium-review.googlesource.com/973301 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Ben Titzer <titzer@chromium.org> Cr-Commit-Position: refs/heads/master@{#52116}
63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
// Copyright 2018 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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load('test/mjsunit/wasm/wasm-constants.js');
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load('test/mjsunit/wasm/wasm-module-builder.js');
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const builder = new WasmModuleBuilder();
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// Generate function 1 (out of 2).
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sig0 = makeSig([], [kWasmI32]);
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builder.addFunction(undefined, sig0)
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.addBody([
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kExprI64Const, 0xc8, 0xda, 0x9c, 0xbc, 0xf8, 0xf0, 0xe1, 0xc3, 0x87, 0x7f,
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kExprLoop, kWasmF64,
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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kExprCallFunction, 0x01,
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...wasmF64Const(0),
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kExprEnd,
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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...wasmF64Const(0),
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kExprCallFunction, 0x01,
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kExprI64Const, 0xb9, 0xf2, 0xe4, 0x01,
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kExprI64LtS]);
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// Generate function 2 (out of 2).
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sig1 = makeSig(new Array(12).fill(kWasmF64), []);
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builder.addFunction(undefined, sig1).addBody([]);
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builder.addExport('main', 0);
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const instance = builder.instantiate();
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assertEquals(1, instance.exports.main());
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const builder2 = new WasmModuleBuilder();
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sig0 = makeSig([], [kWasmI32]);
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builder2.addFunction(undefined, sig0).addLocals({i64_count: 1}).addBody([
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kExprLoop, kWasmI32, // loop i32
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kExprGetLocal, 0, // get_local 3
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kExprF32SConvertI64, // f32.sconvert/i64
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kExprI32ReinterpretF32, // i32.reinterpret/f32
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kExprEnd // end
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]);
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builder2.addExport('main', 0);
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const instance2 = builder2.instantiate();
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assertEquals(0, instance2.exports.main());
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