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annotate gcc/testsuite/gcc.c-torture/execute/pr92618.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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145
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1 /* PR tree-optimization/92618 */
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2
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3 typedef long long __m128i __attribute__((__may_alias__, __vector_size__(2 * sizeof (long long))));
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4
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5 double a[4];
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6 unsigned long long b[4];
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7
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8 __attribute__((noipa)) __m128i
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9 bar (void)
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10 {
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11 static int cnt;
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12 cnt += 2;
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13 return (__m128i) { cnt, cnt + 1 };
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14 }
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15
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16 #if __SIZEOF_LONG_LONG__ == __SIZEOF_DOUBLE__
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17 typedef double __m128d __attribute__((__may_alias__, __vector_size__(2 * sizeof (double))));
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18
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19 __attribute__((noipa)) __m128i
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20 qux (void)
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21 {
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22 static double cnt;
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23 cnt += 2.0;
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24 return (__m128i) (__m128d) { cnt, cnt + 1.0 };
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25 }
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26 #endif
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27
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28 void
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29 foo (unsigned long long *x)
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30 {
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31 __m128i c = bar ();
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32 __m128i d = bar ();
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33 *(__m128i *) &b[0] = c;
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34 *(__m128i *) &b[2] = d;
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35 *x = b[0] + b[1] + b[2] + b[3];
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36 }
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37
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38 void
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39 baz (double *x)
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40 {
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41 #if __SIZEOF_LONG_LONG__ == __SIZEOF_DOUBLE__
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42 __m128i c = qux ();
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43 __m128i d = qux ();
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44 *(__m128i *) &a[0] = c;
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45 *(__m128i *) &a[2] = d;
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46 *x = a[0] + a[1] + a[2] + a[3];
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47 #endif
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48 }
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49
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50 int
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51 main ()
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52 {
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53 unsigned long long c = 0;
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54 foo (&c);
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55 if (c != 2 + 3 + 4 + 5)
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56 __builtin_abort ();
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57 #if __SIZEOF_LONG_LONG__ == __SIZEOF_DOUBLE__
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58 double d = 0.0;
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59 baz (&d);
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60 if (d != 2.0 + 3.0 + 4.0 + 5.0)
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61 __builtin_abort ();
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62 #endif
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63 }