| /* { dg-do compile } */ |
| /* PR/18047 Test that operators have the right precedence. */ |
| /* by bonzini@gnu.org */ |
| |
| #define test(lower, higher, a, b, c, d) \ |
| test_(lower, higher, a, b, c, d, __LINE__) |
| |
| #define test_(lower, higher, a, b, c, d, line)\ |
| test__(lower, higher, a, b, c, d, line) |
| |
| /* The first declaration tests that the parentheses are added correctly |
| by the expression parser. The second tests that the two possible |
| orderings of precedences do give different results. */ |
| #define test__(lower, higher, a, b, c, d, line) \ |
| char test##line[ \ |
| (a higher b lower c higher d) == \ |
| ((a higher b) lower (c higher d)) \ |
| ? 1 : -1]; \ |
| char doublecheck##line[ \ |
| (a higher b lower c higher d) == \ |
| (a higher (b lower c) higher d) \ |
| ? -1 : 1]; |
| |
| test (||, &&, 1, 1, 0, 0) |
| test (&&, |, 5, 1, 1, 19) |
| test (|, ^, 1, 2, 2, 1) |
| test (^, &, 1, 3, 2, 6) |
| test (&, ==, 1, 3, 2, 0) |
| test (==, <, 2, 0, 0, 0) |
| test (<, <<, 2, 3, 6, 8) |
| test (<<, +, 2, 3, 4, 5) |
| test (+, *, 2, 6, 9, 13) |
