wasmer/lib/emscripten-tests/emtests/test_main_module_static_align.cpp

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// Copyright 2017 The Emscripten Authors. All rights reserved.
// Emscripten is available under two separate licenses, the MIT license and the
// University of Illinois/NCSA Open Source License. Both these licenses can be
// found in the LICENSE file.
#include <emscripten.h>
__attribute__((aligned(16))) volatile char aligned;
int main() {
emscripten_log(EM_LOG_WARN, "16-byte aligned char: %d.", int(&aligned));
EM_ASM({
// whether the char was properly aligned affects tempDoublePtr, which is after the static aligns
out('tempDoublePtr: ' + tempDoublePtr + '.');
out('tempDoublePtr alignment: ' + (tempDoublePtr % 16) + '.');
});
}