Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr82274-2.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* PR target/82274 */ /* { dg-do run } */ /* { dg-options "-O2" } */ int main () { #ifdef __SIZEOF_INT128__ __int128 m = -(((__int128) 1) << (__CHAR_BIT__ * __SIZEOF_INT128__ / 2)); volatile __int128 mv = m; __int128 r; #else long long m = -(1LL << (__CHAR_BIT__ * __SIZEOF_LONG_LONG__ / 2)); volatile long long mv = m; long long r; #endif if (!__builtin_mul_overflow (mv, mv, &r)) __builtin_abort (); if (!__builtin_mul_overflow_p (mv, mv, r)) __builtin_abort (); if (!__builtin_mul_overflow (m, m, &r)) __builtin_abort (); if (!__builtin_mul_overflow_p (m, m, r)) __builtin_abort (); return 0; }