mirror of
https://github.com/fluencelabs/wasmer
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35 lines
801 B
C++
35 lines
801 B
C++
// Copyright 2014 The Emscripten Authors. All rights reserved.
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// Emscripten is available under two separate licenses, the MIT license and the
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// University of Illinois/NCSA Open Source License. Both these licenses can be
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// found in the LICENSE file.
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#include <stdio.h>
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#define ALIGN(num_bytes) __attribute__((aligned(num_bytes)))
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struct Aligned {
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char ALIGN(4) a4;
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char ALIGN(8) a8;
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char ALIGN(16) a16;
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char ALIGN(32) a32;
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};
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__attribute__((noinline))
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void Test(const void* p, int size) {
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printf("align %d: %d\n", size, reinterpret_cast<size_t>(p) % size);
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}
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int main() {
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Aligned a;
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Test(&a.a4, 4);
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Test(&a.a8, 8);
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Test(&a.a16, 16);
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Test(&a.a32, 32);
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int p = reinterpret_cast<size_t>(&a);
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printf("base align: %d, %d, %d, %d\n", p%4, p%8, p%16, p%32);
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return 0;
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}
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