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111
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1 /* { dg-do run { target int128 } } */
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2 /* { dg-options "-O -fno-tree-bit-ccp -fno-tree-reassoc" } */
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3
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4 typedef unsigned char u8;
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5 typedef unsigned short u16;
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6 typedef unsigned int u32;
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7 typedef unsigned long long u64;
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8 typedef unsigned __int128 u128;
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9
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10 void __attribute__((noinline, noclone))
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11 dirtify_stack(void)
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12 {
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13 volatile char a[] = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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14 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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15 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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16 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
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17 }
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18
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19 u128 __attribute__ ((noinline, noclone))
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20 foo(u32 u32_1, u64 u64_1, u128 u128_1, u8 u8_2, u16 u16_2, u32 u32_2, u8 u8_3)
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21 {
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22 u128_1 /= ~u128_1 | 1;
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23 u8_3 = ((u8_3 << 2) >> 1) << 7;
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24 u32_2 >>= u8_3;
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25 return u128_1 + u32_2 + u8_3;
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26 }
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27
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28 int
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29 main ()
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30 {
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31 dirtify_stack();
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32 u128 x = foo(1, 1, 1, 1, 1, 1, 0);
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33 if (x != 1)
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34 __builtin_abort();
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35 return 0;
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36 }
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