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b2eb1c01a4
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Daniel Micay b2eb1c01a4 add sret + noalias to the out pointer parameter 
This brings Rust in line with how `clang` handles return pointers.

Example:

    pub fn bar() -> [uint, .. 8] {
        let a = [0, .. 8];
        a
    }

Before:

    ; Function Attrs: nounwind uwtable
    define void @_ZN3bar17ha4635c6f704bfa334v0.0E([8 x i64]* nocapture, { i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #1 {
    "function top level":
      %a = alloca [8 x i64], align 8
      %2 = bitcast [8 x i64]* %a to i8*
      call void @llvm.memset.p0i8.i64(i8* %2, i8 0, i64 64, i32 8, i1 false)
      %3 = bitcast [8 x i64]* %0 to i8*
      call void @llvm.memcpy.p0i8.p0i8.i64(i8* %3, i8* %2, i64 64, i32 8, i1 false)
      ret void
    }

After:

    ; Function Attrs: nounwind uwtable
    define void @_ZN3bar17ha4635c6f704bfa334v0.0E([8 x i64]* noalias nocapture sret, { i64, %tydesc*, i8*, i8*, i8 }* nocapture readnone) #1 {
    "function top level":
      %2 = bitcast [8 x i64]* %0 to i8*
      call void @llvm.memset.p0i8.i64(i8* %2, i8 0, i64 64, i32 8, i1 false)
      ret void
    }

Closes #9072
Closes #7298
Closes #9154
2013-09-16 13:44:04 -04:00
doc Remove {uint,int,u64,i64,...}::from_str,from_str_radix 2013-09-15 14:29:16 +02:00
man Updated rustpkg man page to match 0.7 2013-07-08 23:03:20 +10:00
mk auto merge of #9121 : sanxiyn/rust/arm, r=alexcrichton 2013-09-16 07:45:45 -07:00
src add sret + noalias to the out pointer parameter 2013-09-16 13:44:04 -04:00
.gitattributes Force line ending of '.in' files in jemalloc to LF 2013-08-24 22:20:20 +05:30
.gitignore Ignore the generated docs for libextra 2013-05-25 17:07:18 +10:00
.gitmodules Upgrade libuv to the current master (again) 2013-09-06 11:12:49 -07:00
.mailmap .mailmap: tolerate different names, emails in shortlog 2013-06-05 23:26:00 +05:30
AUTHORS.txt Update AUTHORS.txt 2013-06-21 00:54:17 -04:00
configure Be sure to reconfigure LLVM even when relocated 2013-09-06 00:09:36 -07:00
CONTRIBUTING.md Update CONTRIBUTING.md 2013-06-13 15:41:34 -06:00
COPYRIGHT add gitattributes and fix whitespace issues 2013-05-03 20:01:42 -04:00
LICENSE-APACHE
LICENSE-MIT
Makefile.in Add rustdoc_ng 2013-09-16 07:26:48 -04:00
README.md Reorganize README to make it more clear. 2013-07-19 20:52:16 -04:00
RELEASES.txt More 0.7 release notes 2013-06-30 15:02:52 -07:00

README.md

The Rust Programming Language

This is a compiler for Rust, including standard libraries, tools and documentation.

Quick Start

Windows

  1. Download and use the installer.
  2. Read the tutorial.
  3. Enjoy!

Note: Windows users should read the detailed getting started notes on the wiki. Even when using the binary installer the Windows build requires a MinGW installation, the precise details of which are not discussed here.

Linux / OS X

  1. Install the prerequisites (if not already installed)

    • g++ 4.4 or clang++ 3.x
    • python 2.6 or later (but not 3.x)
    • perl 5.0 or later
    • gnu make 3.81 or later
    • curl

  2. Download and build Rust You can either download a tarball or build directly from the repo.

    To build from the tarball do:

     $ curl -O http://static.rust-lang.org/dist/rust-0.7.tar.gz
 $ tar -xzf rust-0.7.tar.gz
 $ cd rust-0.7

    Or to build from the repo do:

     $ git clone https://github.com/mozilla/rust.git
 $ cd rust

    Now that you have Rust's source code, you can configure and build it:

     $ ./configure
 $ make && make install

    You may need to use sudo make install if you do not normally have permission to modify the destination directory. The install locations can be adjusted by passing a --prefix argument to configure. Various other options are also supported, pass --help for more information on them.

    When complete, make install will place several programs into /usr/local/bin: rustc, the Rust compiler; rustdoc, the API-documentation tool, and rustpkg, the Rust package manager and build system.

  3. Read the tutorial.

  4. Enjoy!

Notes

Since the Rust compiler is written in Rust, it must be built by a precompiled "snapshot" version of itself (made in an earlier state of development). As such, source builds require a connection to the Internet, to fetch snapshots, and an OS that can execute the available snapshot binaries.

Snapshot binaries are currently built and tested on several platforms:

  • Windows (7, Server 2008 R2), x86 only
  • Linux (various distributions), x86 and x86-64
  • OSX 10.6 ("Snow Leopard") or greater, x86 and x86-64

You may find that other platforms work, but these are our "tier 1" supported build environments that are most likely to work.

Rust currently needs about 1.8G of RAM to build without swapping; if it hits swap, it will take a very long time to build.

There is lots more documentation in the wiki.

License

Rust is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0), with portions covered by various BSD-like licenses.

See LICENSE-APACHE, LICENSE-MIT, and COPYRIGHT for details.