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111
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1 /* { dg-do run } */
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2
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3 /* Verify we do not get a bogus access function pairs with
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4 exchanged dimensions, 0, {1, +, 1}_1 vs. {2B, +, 1}_1, 0 which
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5 disambiguates both accesses and leads to vectorization. */
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6
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7 extern int memcmp(const void *, const void *, __SIZE_TYPE__);
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8 extern void abort (void);
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9 short a[33] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 };
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10 short b[33] = { 0, };
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11 char * volatile ap_ = (char *)&a[0];
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12 int main()
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13 {
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14 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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15 int i;
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16 char *ap = ap_;
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17 if (sizeof (short) == 2)
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18 {
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19 for (i = 0; i < 64; ++i)
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20 {
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21 (*((char(*)[])&ap[i+2]))[0] = (*((char(*)[])&ap[0]))[i+1];
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22 }
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23 if (memcmp (&a, &b, sizeof (a)) != 0)
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24 abort ();
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25 }
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26 #endif
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27 return 0;
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28 }
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