diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/Wparentheses-7.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/Wparentheses-7.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/Wparentheses-7.c b/gcc/testsuite/gcc.dg/Wparentheses-7.c new file mode 100644 index 00000000000..f3516969d23 --- /dev/null +++ b/gcc/testsuite/gcc.dg/Wparentheses-7.c @@ -0,0 +1,121 @@ +/* Test operation of -Wparentheses. Precedence warnings. & or + or - + or comparison inside ^. */ +/* Origin: Joseph Myers <jsm@polyomino.org.uk> */ + +/* { dg-do compile } */ +/* { dg-options "-Wparentheses" } */ + +int foo (int); + +int +bar (int a, int b, int c) +{ + foo (a & b ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a & b) ^ c); + foo (a & (b ^ c)); + foo (1 & 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) ^ c); + foo (1 & (2 ^ c)); + foo (1 & 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 & 2) ^ 3); + foo (1 & (2 ^ 3)); + foo (a ^ b & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a ^ b) & c); + foo (a ^ (b & c)); + foo (1 ^ 2 & c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) & c); + foo (1 ^ (2 & c)); + foo (1 ^ 2 & 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) & 3); + foo (1 ^ (2 & 3)); + foo (a + b ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a + b) ^ c); + foo (a + (b ^ c)); + foo (1 + 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 + 2) ^ c); + foo (1 + (2 ^ c)); + foo (1 + 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 + 2) ^ 3); + foo (1 + (2 ^ 3)); + foo (a ^ b + c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a ^ b) + c); + foo (a ^ (b + c)); + foo (1 ^ 2 + c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) + c); + foo (1 ^ (2 + c)); + foo (1 ^ 2 + 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) + 3); + foo (1 ^ (2 + 3)); + foo (a - b ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a - b) ^ c); + foo (a - (b ^ c)); + foo (1 - 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 - 2) ^ c); + foo (1 - (2 ^ c)); + foo (1 - 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 - 2) ^ 3); + foo (1 - (2 ^ 3)); + foo (a ^ b - c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a ^ b) - c); + foo (a ^ (b - c)); + foo (1 ^ 2 - c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) - c); + foo (1 ^ (2 - c)); + foo (1 ^ 2 - 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) - 3); + foo (1 ^ (2 - 3)); + foo (a >= b ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a >= b) ^ c); + foo (a >= (b ^ c)); + foo (1 >= 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 >= 2) ^ c); + foo (1 >= (2 ^ c)); + foo (1 >= 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 >= 2) ^ 3); + foo (1 >= (2 ^ 3)); + foo (a ^ b >= c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a ^ b) >= c); + foo (a ^ (b >= c)); + foo (1 ^ 2 >= c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) >= c); + foo (1 ^ (2 >= c)); + foo (1 ^ 2 >= 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) >= 3); + foo (1 ^ (2 >= 3)); + foo (a == b ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a == b) ^ c); + foo (a == (b ^ c)); + foo (1 == 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 == 2) ^ c); + foo (1 == (2 ^ c)); + foo (1 == 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 == 2) ^ 3); + foo (1 == (2 ^ 3)); + foo (a ^ b == c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a ^ b) == c); + foo (a ^ (b == c)); + foo (1 ^ 2 == c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) == c); + foo (1 ^ (2 == c)); + foo (1 ^ 2 == 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) == 3); + foo (1 ^ (2 == 3)); + foo (a < b ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a < b) ^ c); + foo (a < (b ^ c)); + foo (1 < 2 ^ c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 < 2) ^ c); + foo (1 < (2 ^ c)); + foo (1 < 2 ^ 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 < 2) ^ 3); + foo (1 < (2 ^ 3)); + foo (a ^ b < c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((a ^ b) < c); + foo (a ^ (b < c)); + foo (1 ^ 2 < c); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) < c); + foo (1 ^ (2 < c)); + foo (1 ^ 2 < 3); /* { dg-warning "parentheses" "correct warning" } */ + foo ((1 ^ 2) < 3); + foo (1 ^ (2 < 3)); +} |