rust/src/librustc_back/target/i686_unknown_linux_gnu.rs, branch 1.14.0

change max_atomic_width type from u64 to Option

2016-10-04T04:45:40+00:00

to better express the idea that omitting this field defaults this value to target_pointer_width

librustc_back: convert fn target() to return Result

2016-07-27T17:28:40+00:00

Change all the target generation functions to return a Result so that targets that are unable to be instantiated can be expressed as an Err instead of a panic!(). This should improve #33497 as well.

Add #[cfg(target_has_atomic)] to get atomic support for the current target

2016-05-09T12:31:47+00:00

Make data-layout mandatory in target specs.

2016-04-19T13:08:45+00:00

rustc: Add target_vendor for target triples

2015-09-23T23:44:55+00:00

This adds a new target property, `target_vendor` which can be used as a matcher for conditional compilation. The vendor is part of the autoconf target triple: _{---

The default value for `target_vendor` is "unknown".

Matching against the `target_vendor` with `#[cfg]` is currently feature
gated as `cfg_target_vendor`.}

trans: Clean up handling the LLVM data layout

2015-07-17T03:25:52+00:00

Turns out for OSX our data layout was subtly wrong and the LLVM update must have exposed this. Instead of fixing this I've removed all data layouts from the compiler to just use the defaults that LLVM provides for all targets. All data layouts (and a number of dead modules) are removed from the compiler here. Custom target specifications can still provide a custom data layout, but it is now an optional key as the default will be used if one isn't specified.

rustc: Add target_env for triples by default

2015-04-27T16:22:05+00:00

This adds a new `#[cfg]` matcher against the `target_env` property of the destination target triple. For example all windows triples today end with `-gnu` but we will also hopefully support non-`gnu` targets for Windows, at which point we'll need to differentiate between the two. This new `target_env` matches is provided and filled in with the target's environment name. Currently the only non-empty value of this name is `gnu`, but `musl` will be shortly added for the linux triples.

Default to Pentium 4 as the x86 target CPU on Windows/Linux/DragonFly

2015-01-26T08:58:56+00:00

Limiting ourselves to a generic x86 instruction set doesn't seem useful. Both users running those systems on original i386 hardware might as well manually specify a target cpu ;-) Clang uses the same default.

Rename `target_word_size` to `target_pointer_width`

2015-01-07T20:07:55+00:00

Closes #20421 [breaking-change]

Use -m32 on 32bit Linux

2014-11-04T10:07:47+00:00