Commit Graph

11 Commits

Author SHA1 Message Date
Alex Crichton aa41e0d25f Remove `compiler-rt` submodule from this repository
This commit removes the `compiler-rt` submodule from this repository.
The goal here is to align the `compiler-rt` used for compiling C
intrinsics with the upstream rust-lang/rust's usage of `llvm-project`.
Currently we have both an `llvm-project` repository as well as
`compiler-rt`, but they can naturally get out of sync and it's just one
more submodule to manage.

The thinking here is that the feature `c` for this crate, when
activated, will require the user to configure where the source code for
`compiler-rt` is present. This places the onus on the builder of
`compiler-builtins` to check-out and arrange for the appropriate
`compiler-rt` source code to be placed somewhere. For rust-lang/rust
this is already done with the `llvm-project` submodule, and we can
arrange for it to happen on this crate's CI anyway.

For users of this crate this is a bit of a bummer, but `c` is disabled
by default anyway and it seems unlikely that `c` is explicitly opted in
to all that much. (given the purpose of this crate)

This should allow us to archive the `compiler-rt` repository and simply
use `llvm-project` in the rust-lang/rust repository.
2019-05-16 07:50:20 -07:00
Alex Crichton 8521530f49 Fix __divsi3 and __udivsi3 on thumbv6m targets
This commit fixes a bug accidentally introduced in #285 where some
lingering references remained to `#[cfg(thumbv6m)]` but this, since the
historical revert, was renamed to `#[cfg(thumb_1)]`. This caused on the
thumbv6m platform for the intrinsics to be accidentally omitted because
the build script didn't actually compile them but the Rust code thought
the C code was in use.

After correcting the `#[cfg]` statements the CI configuration for the
`thumb*` family of targets was all updated. The support for xargo
testing was removed from `run.sh` since it had long since bitrotted, and
the script was updated to simply build the intrinsics example to attempt
to link for each of these targets. This in turn exposed the bug locally
and allowed to confirm a fix once the `#[cfg]` statements were
corrected.

cc rust-lang/rust#60782
2019-05-14 12:26:09 -07:00
Alex Crichton 4bbc838ac7 Revert "Use the Rust implementation of udivsi3 on ARM"
This reverts commit 681aaa914d.
2019-05-02 12:49:19 -07:00
Alex Crichton c880d1ca06 Try to handle thumb targets and xargo 2019-04-02 11:54:20 -07:00
Alex Crichton aa5ff95d7e Don't pass `-it` to docker 2019-04-02 09:35:47 -07:00
Alex Crichton 8e2f43e400 Expand Azure Pipelines configuration 2019-04-02 08:37:06 -07:00
Jorge Aparicio d0a57cb871 give Xargo a $HOME 2016-09-30 20:21:15 -05:00
Jorge Aparicio b60d2515ff use `docker run --user` instead of manually creating a user 2016-09-30 18:37:41 -05:00
Jorge Aparicio 43e019dfc4 cache Cargo artifacts
notable changes in the docker-based testing infrastructure

- the docker containers can now modify $CARGO_HOME, to re-use the outer
  Cargo registry, and the target directory to re-use build artifacts.

- the docker containers are removed when their execution finishes
  because it's no longer necessary to re-start them to inspect them
  because all the interesting output is in the outer target directory
2016-09-30 17:39:36 -05:00
Jorge Aparicio b5797dc2a2 adapt to new testing infrastructure 2016-09-29 18:50:04 -05:00
Alex Crichton 8e161a791a Expand and refactor teting infrastructure
This commit moves over most of the testing infrastructure to in-tree docker
images that are all dispatched to from Travis (no other test configuration).
This allows versioning modifications to the test infrastructure as well as the
code itself. Additionally separate docker images allows for easy modification of
one without worrying about tampering of others as well as easy addition of new
targets by simply adding a new `Dockerfile`.

Additionally this commit bundles the master version of the `compiler-rt` source
repository from `llvm-mirror/compiler-rt` to test against. The compiler-rt
library itself is compiled as a `cdylib` which is then dynamically located at
runtime and we look for symbols in. There's a few hoops here, but they currently
get the job done.

All tests now execute against both gcc_s and compiler-rt, and this
testing strategy is now all hidden behind a macro as well (refactoring
all existing tests along the way).
2016-09-28 22:09:55 -07:00