22 lines
519 B
C
22 lines
519 B
C
/* { dg-do compile } */
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/* { dg-require-effective-target lp64 } */
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/* { dg-options "-O" } */
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typedef int int32_t;
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int32_t round32hi (const __int128_t arg)
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{
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const int SHIFT = 96;
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const int mshift = 96;
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const __int128_t M = (~(__int128_t) 0) << mshift;
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const __int128_t L = (~M) + 1;
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const __int128_t L1 = ((__int128_t) L) >> 1;
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const __int128_t Mlo = ((__int128_t) (~M)) >> 1;
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__int128_t vv = arg & M;
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if ((arg & (L1)) && ((arg & Mlo) || (arg & L)))
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vv += L;
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return (int32_t) (vv >> SHIFT);
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}
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