diff options
| author | Andrew Kelley <superjoe30@gmail.com> | 2016-02-13 12:50:13 -0700 |
|---|---|---|
| committer | Andrew Kelley <superjoe30@gmail.com> | 2016-02-13 12:50:13 -0700 |
| commit | c8376af92d63d13574cae7d177b7d314dda44cfe (patch) | |
| tree | 2695432da4ce275d6b1555855bc05e2ceb4c3bc1 /test | |
| parent | a5aeb7381f22a42a8f11523267541243bab5964d (diff) | |
| download | zig-c8376af92d63d13574cae7d177b7d314dda44cfe.tar.gz zig-c8376af92d63d13574cae7d177b7d314dda44cfe.zip | |
add @ctz, @clz and compiler_rt implementation
Diffstat (limited to 'test')
| -rw-r--r-- | test/self_hosted.zig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/test/self_hosted.zig b/test/self_hosted.zig index a35b2a5ff5..38338cfaf0 100644 --- a/test/self_hosted.zig +++ b/test/self_hosted.zig @@ -479,6 +479,20 @@ struct ArrayDotLenConstExpr { const some_array = []u8 {0, 1, 2, 3}; +#attribute("test") +fn count_leading_zeroes() { + assert(@clz(u8, 0b00001010) == 4); + assert(@clz(u8, 0b10001010) == 0); + assert(@clz(u8, 0b00000000) == 8); +} + +#attribute("test") +fn count_trailing_zeroes() { + assert(@ctz(u8, 0b10100000) == 5); + assert(@ctz(u8, 0b10001010) == 1); + assert(@ctz(u8, 0b00000000) == 8); +} + fn assert(b: bool) { |