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annotate gcc/testsuite/gcc.c-torture/execute/pr84524.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* PR target/84524 */
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2
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3 __attribute__((noipa)) void
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4 foo (unsigned short *x)
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5 {
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6 unsigned short i, v;
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7 unsigned char j;
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8 for (i = 0; i < 256; i++)
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9 {
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10 v = i << 8;
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11 for (j = 0; j < 8; j++)
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12 if (v & 0x8000)
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13 v = (v << 1) ^ 0x1021;
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14 else
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15 v = v << 1;
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16 x[i] = v;
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17 }
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18 }
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19
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20 int
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21 main ()
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22 {
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23 unsigned short a[256];
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24
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25 foo (a);
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26 for (int i = 0; i < 256; i++)
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27 {
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28 unsigned short v = i << 8;
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29 for (int j = 0; j < 8; j++)
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30 {
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31 asm volatile ("" : "+r" (v));
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32 if (v & 0x8000)
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33 v = (v << 1) ^ 0x1021;
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34 else
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35 v = v << 1;
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36 }
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37 if (a[i] != v)
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38 __builtin_abort ();
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39 }
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40 return 0;
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41 }