v8/test/mjsunit/regress/wasm/regress-1248024.js
Clemens Backes b177b4e3e8 [liftoff] Fix --trace-wasm-memory
With statically in-bounds memory accesses (implemented in
https://crrev.com/c/2919827) we would only have an offset but no index
register for {TraceMemoryOperation}. This CL fixes that situation.

R=thibaudm@chromium.org

Bug: chromium:1248024
Change-Id: I856b263a560cb71791c61e446e78dd99c9664190
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3149464
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76763}
2021-09-10 10:47:20 +00:00

21 lines
630 B
JavaScript

// Copyright 2021 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: --liftoff-only --trace-wasm-memory
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
const builder = new WasmModuleBuilder();
builder.addMemory(16, 17);
// Generate function 1 (out of 3).
builder.addFunction('load', kSig_i_v)
.addBody([
// body:
kExprI32Const, 0, // i32.const
kExprI32LoadMem8U, 0, 5, // i32.load8_u
])
.exportFunc();
const instance = builder.instantiate();
instance.exports.load();