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Original commit message: [fastcall] Disable fast calls with stack args on M1 Bug: v8:13171 Change-Id: I549d942d8ae24e2de0aa3202d7400b587254fb75 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3963995 Commit-Queue: Camillo Bruni <[email protected]> Auto-Submit: Maya Lekova <[email protected]> Reviewed-by: Camillo Bruni <[email protected]> Commit-Queue: Maya Lekova <[email protected]> Cr-Commit-Position: refs/heads/main@{#83886} Refs: v8/v8@bf0bd48 PR-URL: #45908 Reviewed-By: Gus Caplan <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]>
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// 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. | ||
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// This file tests fast callbacks with more than 8 arguments. It should | ||
// fail on arm64 + OSX configuration, because of stack alignment issue, | ||
// see crbug.com/v8/13171. | ||
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// Flags: --turbo-fast-api-calls --expose-fast-api --allow-natives-syntax --turbofan | ||
// --always-turbofan is disabled because we rely on particular feedback for | ||
// optimizing to the fastest path. | ||
// Flags: --no-always-turbofan | ||
// The test relies on optimizing/deoptimizing at predictable moments, so | ||
// it's not suitable for deoptimization fuzzing. | ||
// Flags: --deopt-every-n-times=0 | ||
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const add_all_32bit_int_arg1 = -42; | ||
const add_all_32bit_int_arg2 = 45; | ||
const add_all_32bit_int_arg3 = -12345678; | ||
const add_all_32bit_int_arg4 = 0x1fffffff; | ||
const add_all_32bit_int_arg5 = 1e6; | ||
const add_all_32bit_int_arg6 = 1e8; | ||
const add_all_32bit_int_arg7 = 31; | ||
const add_all_32bit_int_arg8 = 63; | ||
const add_all_32bit_int_result_8args = add_all_32bit_int_arg1 + | ||
add_all_32bit_int_arg2 + add_all_32bit_int_arg3 + add_all_32bit_int_arg4 + | ||
add_all_32bit_int_arg5 + add_all_32bit_int_arg6 + add_all_32bit_int_arg7 + add_all_32bit_int_arg8; | ||
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const fast_c_api = new d8.test.FastCAPI(); | ||
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(function () { | ||
function overloaded_add_all(should_fallback = false) { | ||
return fast_c_api.overloaded_add_all_8args(should_fallback, | ||
add_all_32bit_int_arg1, add_all_32bit_int_arg2, add_all_32bit_int_arg3, | ||
add_all_32bit_int_arg4, add_all_32bit_int_arg5, add_all_32bit_int_arg6, | ||
add_all_32bit_int_arg7, add_all_32bit_int_arg8); | ||
} | ||
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%PrepareFunctionForOptimization(overloaded_add_all); | ||
let result = overloaded_add_all(); | ||
assertEquals(add_all_32bit_int_result_8args, result); | ||
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fast_c_api.reset_counts(); | ||
%OptimizeFunctionOnNextCall(overloaded_add_all); | ||
result = overloaded_add_all(); | ||
assertOptimized(overloaded_add_all); | ||
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assertEquals(1, fast_c_api.fast_call_count()); | ||
assertEquals(0, fast_c_api.slow_call_count()); | ||
})(); |
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