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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [Wparentheses-6.c] - Rev 298
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/* Test operation of -Wparentheses. Precedence warnings. & or ^ 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)); }