40 lines
976 B
C
40 lines
976 B
C
/* Test the IACC multiply/accumulate instructions. Also test the IACC
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read/write functions. */
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/* { dg-options "-mcpu=fr405" } */
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/* { dg-do run } */
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extern void abort (void);
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extern void exit (int);
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int main ()
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{
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long long res, res1, res2, res3;
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__SMU (0x12345678, 0x40004000);
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__SMASS (0x12000000, 0x11223344);
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__SMSSS (0x01020304, 0x54321000);
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res = __IACCreadll (0);
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res1 = 0x12345678LL * 0x40004000LL;
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res2 = 0x12000000LL * 0x11223344LL;
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res3 = 0x01020304LL * 0x54321000LL;
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if (res != res1 + res2 - res3)
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abort ();
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__IACCsetll (0, 0x7ffffffffffffff0LL);
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__SMASS (0x100, 0x100);
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if (__IACCreadll (0) != 0x7fffffffffffffffLL)
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abort ();
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__IACCsetl (0, -0x7ffffffe);
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__IACCsetl (1, 0);
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__SMSSS (0x10001, 0x10000);
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if (__IACCreadl (0) != -0x7fffffff - 1 || __IACCreadl (1) != -0x10000)
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abort ();
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__SMSSS (0x10001, 0x10000);
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if (__IACCreadl (0) != -0x7fffffff - 1 || __IACCreadl (1) != 0)
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abort ();
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exit (0);
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}
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