| /* The precise output depends of sizeof(int) and sizeof(long long), so |
| filter by target. */ |
| /* { dg-do compile { target i?86-*-* x86_64-*-* } } */ |
| |
| /* Apparent uses of ^ for powers of 2. */ |
| |
| short t2_16 = 2^16; /* { dg-warning "result of '2\\^16' is 18; did you mean '1 << 16' \\(65536\\)\\? \\\[-Wxor-used-as-pow\\\]" } */ |
| int t2_17 = 2^17; /* { dg-warning "result of '2\\^17' is 19; did you mean '1 << 17' \\(131072\\)\\?" } */ |
| int t2_30 = 2^30; /* { dg-warning "result of '2\\^30' is 28; did you mean '1 << 30' \\(1073741824\\)\\?" } */ |
| |
| /* Should be 1LL at 31 and above, due to overflow. */ |
| int t2_31 = 2^31; /* { dg-warning "result of '2\\^31' is 29; did you mean '1LL << 31'\\?" } */ |
| int t2_32 = 2^32; /* { dg-warning "result of '2\\^32' is 34; did you mean '1LL << 32'\\?" } */ |
| |
| long t2_63 = 2^63; /* { dg-warning "result of '2\\^63' is 61; did you mean exponentiation\\?" } */ |
| long t2_64 = 2^64; /* { dg-warning "result of '2\\^64' is 66; did you mean exponentiation\\?" } */ |
| |
| /* ...but don't warn when RHS is large enough. */ |
| long t2_65 = 2^65; |
| long t2_127 = 2^127; |
| long t2_128 = 2^128; |
| long t2_129 = 2^129; |
| |
| /* Verify that -Wxor-used-as-pow happens before folding. */ |
| long t2_32_m1 = ((2^32)-1); /* { dg-warning "result of '2\\^32' is 34; did you mean '1LL << 32'\\?" } */ |
| |
| |
| /* Apparent uses of ^ for powers of 10. */ |
| |
| long t10_2 = 10^2; /* { dg-warning "result of '10\\^2' is 8; did you mean '1e2'\\?" } */ |
| long t10_9 = 10^9; /* { dg-warning "result of '10\\^9' is 3; did you mean '1e9'\\?" } */ |
| long t10_10 = 10^10; /* { dg-warning "result of '10\\^10' is 0; did you mean '1e10'\\?" } */ |
| long t10_100 = 10^100; /* { dg-warning "result of '10\\^100' is 110; did you mean '1e100'\\?" } */ |
| |
| /* Don't warn on negatives. */ |
| long tm2_2 = -2^2; |
| long t2_m2 = 2^-2; |
| long tm10_10 = -10^10; |
| long t10_m10 = 10^-10; |
| |
| /* If LHS is not 2 or 10, we shouldn't complain. */ |
| int t0_0 = 0 ^ 0; |
| int t6_7 = 6 ^ 7; |
| |
| /* Floating point is already covered by type-checking. */ |
| float f10_10 = 10.f^10; /* { dg-error "invalid operands to binary \\^ \\(have 'float' and 'int'\\)" "" { target c } } */ |
| /* { dg-error "invalid operands of types 'float' and 'int' to binary 'operator\\^'" "" { target c++ } .-1 } */ |
| |
| /* Don't complain if the LHS isn't literal decimal 2 or 10. */ |
| int t1p1_16 = (1 + 1) ^ 16; |
| int t5p5_6 = (5 + 5) ^ 6; |
| int h2_8 = 0x2 ^ 8; |
| int h10_3 = 0xa ^ 3; |
| |
| /* Don't complain if the RHS isn't literal decimal. */ |
| int t2_x16 = 2^0x10; |
| int h10_x3 = 10 ^ 0x3; |
