71b8760d3b
* mul_add AIR instruction: use `pl_op` instead of `ty_pl`. The type is always the same as the operand; no need to waste bytes redundantly storing the type. * AstGen: use coerced_ty for all the operands except for one which we use to communicate the type. * Sema: use the correct source location for requireRuntimeBlock in handling of `@mulAdd`. * native backends: handle liveness even for the functions that are TODO. * C backend: implement `@mulAdd`. It lowers to libc calls. * LLVM backend: make `@mulAdd` handle all float types. - improved fptrunc and fpext to handle f80 with compiler-rt calls. * Value.mulAdd: handle all float types and use the `@mulAdd` builtin. * behavior tests: revert the changes to testing `@mulAdd`. These changes broke the test coverage, making it only tested at compile-time. Improved f80 support: * std.math.fma handles f80 * move fma functions from freestanding libc to compiler-rt - add __fmax and fmal - make __fmax and fmaq only exported when they don't alias fmal. - make their linkage weak just like the rest of compiler-rt symbols. * removed `longDoubleIsF128` and replaced it with `longDoubleIs` which takes a type as a parameter. The implementation is now more accurate and handles more targets. Similarly, in stage2 the function CTypes.sizeInBits is more accurate for long double for more targets.
A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
Resources
- Introduction
- Download & Documentation
- Chapter 0 - Getting Started | ZigLearn.org
- Community
- Contributing
- Code of Conduct
- Frequently Asked Questions
- Community Projects
Installation
- download a pre-built binary
- install from a package manager
- build from source
- bootstrap zig for any target
License
The ultimate goal of the Zig project is to serve users. As a first-order effect, this means users of the compiler, helping programmers to write better software. Even more important, however, are the end-users.
Zig is intended to be used to help end-users accomplish their goals. Zig should be used to empower end-users, never to exploit them financially, or to limit their freedom to interact with hardware or software in any way.
However, such problems are best solved with social norms, not with software licenses. Any attempt to complicate the software license of Zig would risk compromising the value Zig provides.
Therefore, Zig is available under the MIT (Expat) License, and comes with a humble request: use it to make software better serve the needs of end-users.
This project redistributes code from other projects, some of which have other licenses besides MIT. Such licenses are generally similar to the MIT license for practical purposes. See the subdirectories and files inside lib/ for more details.