| /* Test __builtin_{add,sub,mul}_overflow_p. */ |
| /* { dg-do run } */ |
| /* { dg-skip-if "" { ! run_expensive_tests } { "*" } { "-O0" "-O2" } } */ |
| |
| #include "builtin-arith-overflow.h" |
| |
| #ifdef __SIZEOF_INT128__ |
| #define WTYPE __int128 |
| #else |
| #define WTYPE long long int |
| #endif |
| |
| struct S |
| { |
| signed int s1 : 1; |
| unsigned int u1 : 1; |
| signed int s2 : 2; |
| unsigned int u2 : 2; |
| signed int s3 : 3; |
| unsigned int u3 : 3; |
| signed int s4 : 4; |
| unsigned int u4 : 4; |
| signed int s5 : 5; |
| unsigned int u5 : 5; |
| signed int s6 : 6; |
| unsigned int u6 : 6; |
| signed int s7 : 7; |
| unsigned int u7 : 7; |
| } vs; |
| |
| #define TESTS \ |
| TP (100, signed char, signed char, vs.u2, -1, 0, add, 1) \ |
| TP (101, unsigned char, unsigned char, vs.u4, 5, 5, add, 0) \ |
| TP (102, unsigned char, unsigned char, vs.u3, 5, 3, add, 1) \ |
| TP (103, signed char, unsigned short, vs.u1, 5, 5, sub, 0) \ |
| TP (104, signed char, unsigned short, vs.u1, 6, 5, sub, 0) \ |
| TP (105, signed char, unsigned short, vs.u1, 7, 5, sub, 1) \ |
| TP (106, signed char, unsigned short, vs.u4, 5, 6, sub, 1) \ |
| TP (107, signed char, signed char, vs.u1, -1, -1, mul, 0) \ |
| TP (108, signed char, signed char, vs.s1, -1, -1, mul, 1) \ |
| TP (109, unsigned char, signed char, vs.u6, 17, -2, mul, 1) \ |
| TP (110, unsigned char, signed char, vs.s6, 17, -2, mul, 1) \ |
| TP (111, unsigned char, signed char, vs.s7, 17, -2, mul, 0) \ |
| TP (112, unsigned WTYPE, signed WTYPE, vs.s5, 5, -2, mul, 0) \ |
| TP (113, unsigned WTYPE, signed WTYPE, vs.s4, 5, -2, mul, 1) \ |
| TP (114, long long int, long long int, vs.u2, -3, 5, add, 0) \ |
| TP (115, long long int, long long int, vs.u1, -3, 5, add, 1) \ |
| TP (116, long long int, int, vs.u3, -5, 3, add, 1) \ |
| TP (117, long long int, int, vs.s1, -5, 3, add, 1) \ |
| TP (118, long long int, int, vs.s2, -5, 3, add, 0) \ |
| TP (119, int, WTYPE, vs.u2, -3, 5, add, 0) \ |
| TP (120, int, WTYPE, vs.u1, -3, 5, add, 1) \ |
| TP (121, unsigned char, unsigned char, vs.u6, SCHAR_MAX - 1, (unsigned char) SCHAR_MAX + 4, sub, 1) \ |
| TP (122, unsigned char, unsigned char, vs.s3, SCHAR_MAX - 1, (unsigned char) SCHAR_MAX + 4, sub, 1) \ |
| TP (123, unsigned char, unsigned char, vs.s4, SCHAR_MAX - 1, (unsigned char) SCHAR_MAX + 4, sub, 0) \ |
| TP (124, unsigned int, unsigned int, vs.u7, INT_MAX, 1, add, 1) \ |
| TP (125, unsigned int, unsigned int, vs.u7, 127, 1, add, 1) \ |
| TP (126, unsigned int, unsigned int, vs.u7, 1, 63, add, 0) \ |
| TP (127, int, int, vs.s7, INT_MIN, 1, sub, 1) \ |
| TP (128, int, int, vs.s7, -64, 1, sub, 1) \ |
| TP (129, int, int, vs.s7, -63, 1, sub, 0) |
| |
| TESTS |
| |
| #undef TP |
| #define TP(n, t1, t2, er, v1, v2, b, o) t##n##b (); |
| |
| int |
| main () |
| { |
| TESTS |
| return 0; |
| } |