| /* { dg-do compile } */ | |
| /* { dg-require-effective-target int128 } */ | |
| /* { dg-options "-O" } */ | |
| typedef int int32_t; | |
| int32_t round32hi (const __int128_t arg) | |
| { | |
| const int SHIFT = 96; | |
| const int mshift = 96; | |
| const __int128_t M = (~(__int128_t) 0) << mshift; | |
| const __int128_t L = (~M) + 1; | |
| const __int128_t L1 = ((__int128_t) L) >> 1; | |
| const __int128_t Mlo = ((__int128_t) (~M)) >> 1; | |
| __int128_t vv = arg & M; | |
| if ((arg & (L1)) && ((arg & Mlo) || (arg & L))) | |
| vv += L; | |
| return (int32_t) (vv >> SHIFT); | |
| } |