/* PR target/83210 */ /* { dg-do compile } */ /* { dg-options "-O2" } */ /* { dg-final { scan-assembler-not {\mmul[lq]\M} } } */ void bar (void); unsigned f1 (unsigned int x) { unsigned res; if (__builtin_mul_overflow (x, 2, &res)) bar (); return res; } unsigned long f2 (unsigned long x) { unsigned long res; if (__builtin_mul_overflow (16, x, &res)) bar (); return res; } unsigned long long f3 (unsigned long long x) { unsigned long long res; if (__builtin_mul_overflow (x, (1ULL << (__SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 1)), &res)) bar (); return res; } #ifdef __SIZEOF_INT128__ unsigned __int128 f4 (unsigned __int128 x) { unsigned __int128 res; if (__builtin_mul_overflow (x, (((unsigned __int128) 1) << (__SIZEOF_INT128__ * __CHAR_BIT__ / 2)), &res)) bar (); return res; } unsigned __int128 f5 (unsigned __int128 x) { unsigned __int128 res; if (__builtin_mul_overflow (x, (((unsigned __int128) 1) << (__SIZEOF_INT128__ * __CHAR_BIT__ / 2 + 3)), &res)) bar (); return res; } #endif