/* { dg-do run } */ /* { dg-require-effective-target int128 } */ /* { dg-options "-fsanitize=signed-integer-overflow" } */ /* 2^127 - 1 */ #define INT128_MAX (__int128) (((unsigned __int128) 1 << ((__SIZEOF_INT128__ * __CHAR_BIT__) - 1)) - 1) #define INT128_MIN (-INT128_MAX - 1) int main (void) { volatile __int128 i = INT128_MAX; volatile __int128 j = 1; volatile __int128 k = i + j; k = j + i; i++; j = INT128_MAX - 100; j += (1 << 10); j = INT128_MIN; i = -1; k = i + j; k = j + i; j--; j = INT128_MIN + 100; j += -(1 << 10); i = INT128_MAX; j = 2; k = i * j; i = INT128_MIN; i = -i; return 0; } /* { dg-output "signed integer overflow: 0x7fffffffffffffffffffffffffffffff \\+ 1 cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: 1 \\+ 0x7fffffffffffffffffffffffffffffff cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: 0x7fffffffffffffffffffffffffffffff \\+ 1 cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: 0x7fffffffffffffffffffffffffffff9b \\+ 1024 cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: -1 \\+ 0x80000000000000000000000000000000 cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: 0x80000000000000000000000000000000 \\+ -1 cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: 0x80000000000000000000000000000000 \\+ -1 cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: 0x80000000000000000000000000000064 \\+ -1024 cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*signed integer overflow: 0x7fffffffffffffffffffffffffffffff \\* 2 cannot be represented in type '__int128'(\n|\r\n|\r)" } */ /* { dg-output "\[^\n\r]*negation of 0x80000000000000000000000000000000 cannot be represented in type '__int128'; cast to an unsigned type to negate this value to itself(\n|\r\n|\r)" } */