51 lines
2.0 KiB
JavaScript
51 lines
2.0 KiB
JavaScript
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// Copyright 2021 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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// This file tests fast callbacks with more than 8 arguments. It should
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// fail on arm64 + OSX configuration, because of stack alignment issue,
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// see crbug.com/v8/13171.
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// Flags: --turbo-fast-api-calls --expose-fast-api --allow-natives-syntax --turbofan
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// --always-turbofan is disabled because we rely on particular feedback for
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// optimizing to the fastest path.
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// Flags: --no-always-turbofan
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// The test relies on optimizing/deoptimizing at predictable moments, so
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// it's not suitable for deoptimization fuzzing.
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// Flags: --deopt-every-n-times=0
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const add_all_32bit_int_arg1 = -42;
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const add_all_32bit_int_arg2 = 45;
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const add_all_32bit_int_arg3 = -12345678;
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const add_all_32bit_int_arg4 = 0x1fffffff;
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const add_all_32bit_int_arg5 = 1e6;
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const add_all_32bit_int_arg6 = 1e8;
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const add_all_32bit_int_arg7 = 31;
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const add_all_32bit_int_arg8 = 63;
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const add_all_32bit_int_result_8args = add_all_32bit_int_arg1 +
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add_all_32bit_int_arg2 + add_all_32bit_int_arg3 + add_all_32bit_int_arg4 +
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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 () {
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function overloaded_add_all(should_fallback = false) {
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return fast_c_api.overloaded_add_all_8args(should_fallback,
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add_all_32bit_int_arg1, add_all_32bit_int_arg2, add_all_32bit_int_arg3,
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add_all_32bit_int_arg4, add_all_32bit_int_arg5, add_all_32bit_int_arg6,
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add_all_32bit_int_arg7, add_all_32bit_int_arg8);
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}
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%PrepareFunctionForOptimization(overloaded_add_all);
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let result = overloaded_add_all();
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assertEquals(add_all_32bit_int_result_8args, result);
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fast_c_api.reset_counts();
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%OptimizeFunctionOnNextCall(overloaded_add_all);
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result = overloaded_add_all();
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assertOptimized(overloaded_add_all);
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assertEquals(1, fast_c_api.fast_call_count());
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assertEquals(0, fast_c_api.slow_call_count());
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})();
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