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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [Wparentheses-4.c] - Rev 816
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/* Test operation of -Wparentheses. Precedence warnings. + or - inside shift. */ /* 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 (6 - 5 << c); /* { dg-warning "parentheses" "correct warning" } */ foo ((6 - 5) << c); foo (6 - (5 << c)); foo (6 - 5 << 4); /* { dg-warning "parentheses" "correct warning" } */ foo ((6 - 5) << 4); foo (6 - (5 << 4)); foo (a << b - c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a << b) - c); foo (a << (b - c)); foo (6 << 5 - c); /* { dg-warning "parentheses" "correct warning" } */ foo ((6 << 5) - c); foo (6 << (5 - c)); foo (6 << 5 - 4); /* { dg-warning "parentheses" "correct warning" } */ foo ((6 << 5) - 4); foo (6 << (5 - 4)); foo (a - b >> c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a - b) >> c); foo (a - (b >> c)); foo (6 - 5 >> c); /* { dg-warning "parentheses" "correct warning" } */ foo ((6 - 5) >> c); foo (6 - (5 >> c)); foo (6 - 5 >> 4); /* { dg-warning "parentheses" "correct warning" } */ foo ((6 - 5) >> 4); foo (6 - (5 >> 4)); foo (a >> b - c); /* { dg-warning "parentheses" "correct warning" } */ foo ((a >> b) - c); foo (a >> (b - c)); foo (6 >> 5 - c); /* { dg-warning "parentheses" "correct warning" } */ foo ((6 >> 5) - c); foo (6 >> (5 - c)); foo (6 >> 5 - 4); /* { dg-warning "parentheses" "correct warning" } */ foo ((6 >> 5) - 4); foo (6 >> (5 - 4)); }