| ... | @@ -74,26 +74,22 @@ test "cmpxchg with ptr" { | ... | @@ -74,26 +74,22 @@ test "cmpxchg with ptr" { |
| 74 | try expect(x == &data2); | 74 | try expect(x == &data2); |
| 75 | } | 75 | } |
| 76 | | 76 | |
| 77 | // TODO this test is disabled until this issue is resolved: | 77 | test "128-bit cmpxchg" { |
| 78 | // https://github.com/ziglang/zig/issues/2883 | 78 | var x: u128 = 1234; |
| 79 | // otherwise cross compiling will result in: | 79 | if (@cmpxchgWeak(u128, &x, 99, 5678, .SeqCst, .SeqCst)) |x1| { |
| 80 | // lld: error: undefined symbol: __sync_val_compare_and_swap_16 | 80 | try expect(x1 == 1234); |
| 81 | //test "128-bit cmpxchg" { | 81 | } else { |
| 82 | // var x: u128 align(16) = 1234; // TODO: https://github.com/ziglang/zig/issues/2987 | 82 | @panic("cmpxchg should have failed"); |
| 83 | // if (@cmpxchgWeak(u128, &x, 99, 5678, .SeqCst, .SeqCst)) |x1| { | 83 | } |
| 84 | // try expect(x1 == 1234); | 84 | |
| 85 | // } else { | 85 | while (@cmpxchgWeak(u128, &x, 1234, 5678, .SeqCst, .SeqCst)) |x1| { |
| 86 | // @panic("cmpxchg should have failed"); | 86 | try expect(x1 == 1234); |
| 87 | // } | 87 | } |
| 88 | // | 88 | try expect(x == 5678); |
| 89 | // while (@cmpxchgWeak(u128, &x, 1234, 5678, .SeqCst, .SeqCst)) |x1| { | 89 | |
| 90 | // try expect(x1 == 1234); | 90 | try expect(@cmpxchgStrong(u128, &x, 5678, 42, .SeqCst, .SeqCst) == null); |
| 91 | // } | 91 | try expect(x == 42); |
| 92 | // try expect(x == 5678); | 92 | } |
| 93 | // | | |
| 94 | // try expect(@cmpxchgStrong(u128, &x, 5678, 42, .SeqCst, .SeqCst) == null); | | |
| 95 | // try expect(x == 42); | | |
| 96 | //} | | |
| 97 | | 93 | |
| 98 | test "cmpxchg with ignored result" { | 94 | test "cmpxchg with ignored result" { |
| 99 | var x: i32 = 1234; | 95 | var x: i32 = 1234; |
FnControlOption <fncontroloption@noreply.codeberg.org> 2021-08-07 12:16:40-07:00