mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-13 14:25:32 +00:00
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* 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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*/
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#include <stdio.h>
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#include <emscripten.h>
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volatile char data[16];
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__attribute__((noinline)) void *get_aligned(int align)
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{
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char *ptr = (char*)(((int)(data + 7)) & ~7); // Make 8-byte aligned
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ptr += align; // Now 'align' aligned
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return (void*)ptr;
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}
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int main()
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{
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emscripten_align4_double *d4 = (emscripten_align4_double*)get_aligned(4);
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*d4 = 17.0;
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printf("addr: %d, value: %f\n", ((int)d4) % 8, *d4);
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emscripten_align2_double *d2 = (emscripten_align2_double*)get_aligned(2);
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*d2 = 18.0;
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printf("addr: %d, value: %f\n", ((int)d2) % 8, *d2);
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emscripten_align1_double *d1 = (emscripten_align1_double*)get_aligned(1);
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*d1 = 19.0;
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printf("addr: %d, value: %f\n", ((int)d1) % 8, *d1);
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emscripten_align2_float *f2 = (emscripten_align2_float*)get_aligned(2);
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*f2 = 20.0;
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printf("addr: %d, value: %f\n", ((int)f2) % 4, *f2);
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emscripten_align1_float *f1 = (emscripten_align1_float*)get_aligned(1);
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*f1 = 21.0;
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printf("addr: %d, value: %f\n", ((int)f1) % 4, *f1);
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emscripten_align2_int *i2 = (emscripten_align2_int*)get_aligned(2);
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*i2 = 22;
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printf("addr: %d, value: %d\n", ((int)i2) % 4, *i2);
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emscripten_align1_int *i1 = (emscripten_align1_int*)get_aligned(1);
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*i1 = 23;
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printf("addr: %d, value: %d\n", ((int)i1) % 4, *i1);
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emscripten_align1_short *s1 = (emscripten_align1_short*)get_aligned(1);
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*s1 = 24;
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printf("addr: %d, value: %d\n", ((int)s1) % 4, (int)*s1);
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return 0;
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}
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