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823 Commits

Author SHA1 Message Date
jethrogb f853d6d9b7
Manually patch ret instruction for LVI (#359) 
Co-authored-by: Jethro Beekman <jethro@fortanix.com>
 2020-06-01 10:55:42 -05:00
Alex Crichton 5488a09800 Bump to 0.1.31 2020-05-29 13:43:57 -07:00
Alex Crichton d837cce3d3 Add back in unsafe for bootstrapping 
And add an `#[allow]` for now to appease stage0
 2020-05-29 13:43:21 -07:00
Alex Crichton d3efbd2915 Bump to 0.1.30 2020-05-29 13:41:09 -07:00
Alex Crichton 4bf8cad593
Expand wasm32 testing on CI (#360) 
* Expand wasm32 testing on CI

Run the full `run.sh` test script to get full assertions, including that
nothing in the wasm compiler-builtins is panicking. Unfortunately it's
currently panicking, so this is good to weed out!

* Update libm
 2020-05-29 14:38:29 -05:00
Alex Crichton 156fcf1d67 Bump to 0.1.29 2020-05-26 13:12:24 -07:00
Tomasz Miąsko d0ea0765aa
Use crate visibility for traits (#358) 
Co-authored-by: Tomasz Miąsko <tomasz.miasko@gmail.com>
 2020-05-26 15:12:10 -05:00
Eric Huss c2eba93e28
Add more targets to automatically select `mem` feature. (#357) 2020-05-22 16:12:06 -05:00
Alex Crichton 1108d2af9d Bump to 0.1.28 2020-05-11 22:29:49 -07:00
Alex Crichton cde22bc180
Switch to using `llvm_asm!` instead of `asm!` (#351) 
* Switch to using `llvm_asm!` instead of `asm!`

* Run rustfmt

* Fix how LTO is specified on nightly
 2020-04-29 15:30:10 -05:00
Alex Crichton 25ea08da28 Bump to 0.1.27 2020-04-13 07:17:28 -07:00
Tomasz Miąsko 2541f27e8c
Place intrinsics in individual object files (#349) 
Co-authored-by: Tomasz Miąsko <tomasz.miasko@gmail.com>
 2020-04-10 17:00:50 -05:00
Alex Crichton 72526f3811 Bump to 0.1.26 2020-02-28 11:01:42 -08:00
Andre Richter 43bcb3b59f
aarch64: Exclude FP intrinsics on +nofp or +nosimd (#344) 
`AArch64` GCCs exit with an error condition when they encounter any kind of
floating point code if the `nofp` and/or `nosimd` compiler flags have been set.

Therefore, evaluate if those flags are present and set a boolean that causes any
compiler-rt intrinsics that contain floating point source to be excluded for
this target.

This patch prepares https://github.com/rust-lang/rust/pull/68334
 2020-02-28 13:01:22 -06:00
Alex Crichton 3e6327aa59 Bump to 0.1.25 2020-02-11 22:21:38 -08:00
Tyler Mandry cae3e6ea23
Set probestack visibility to hidden on ELF targets (#340) 2020-02-11 22:21:12 -08:00
Alex Crichton 955cea42cc Update CI installation of Rust on macos 2020-01-28 00:39:52 -08:00
Daniel Frampton 0a15c9bdfe Don't modify the intrinsic abi for aarch64 windows (#337) 2020-01-14 15:28:10 -06:00
Adam Schwalm d7191b14c1 Add separate rust_probestack definition for uefi (#335) 
This is necessary because the Mach-O definition must have the
triple underscore, but the UEFI one must not.
 2020-01-06 10:22:30 -06:00
Alex Crichton 6de4f8f2e0 Bump to 0.1.23 2019-12-10 09:02:40 -08:00
Runji Wang 9193bbee5d Fix compile error on x86_64-unknown-uefi target (#331) 
* fix compile error on x86_64-unknown-uefi target

* Fix tests on nightly
 2019-12-10 09:02:14 -08:00
Alex Crichton 59b3eb7df1 Bump to 1.0.22 2019-12-06 06:54:50 -08:00
Tyler Mandry 2566aa663b Add control flow information to __rust_probestack (#328) 2019-12-06 08:51:42 -06:00
Alex Crichton f8c28c5c3b Update checkout action reference 2019-12-03 09:11:29 -08:00
Alex Crichton 0df0cf55d6 Update publishing instructions 2019-11-11 10:40:09 -08:00
Alex Crichton 49ad9018a9 Bump to 0.1.21 2019-11-11 10:39:08 -08:00
Alex Crichton d6a13419f6
Gate atomic intrinsics on presence of instructions (#324) 
Don't emit the intrinsics for platforms which don't actually have the
instructions to do atomic loads/stores.

Closes #322
 2019-11-11 12:38:50 -06:00
Alex Crichton 40ef6cb749
Allow FFI-unsafe warnings for u128/i128 (#323) 
* Allow FFI-unsafe warnings for u128/i128

Handle new warnings on nightly, and we shouldn't need to worry about
these with compiler-builtins since this is tied to a particular compiler.

* Clean up crate attributes

* No need for stability marker
* Rustdoc docs not used for this crate
* Remove old build-system related cruft from rustc itself.

* Run `cargo fmt`
 2019-11-11 12:19:10 -06:00
Alex Crichton a533ae9c5a Bump to 0.1.20 2019-11-07 11:04:36 -08:00
Oliver Scherer 7a8161dab7 Emit `_fltused` on `uefi` targets as a short-term workaround (#317) 
* Emit `_fltused` on `uefi` targets as a short-term workaround

* Remove stray docker container
 2019-11-07 13:04:11 -06:00
Alex Crichton 9823b956ce Fix Github Actions for recent system changes 2019-10-28 07:39:04 -07:00
Ian Kronquist 462b73c1fe Implement bcmp (#315) 
As of LLVM 9.0, certain calls to memcmp may be converted to bcmp, which I guess
could save a single subtraction on some architectures. [1]

bcmp is just like memcmp except instead of returning the difference between the
two differing bytes, it returns non-zero instead. As such, memcmp is a valid
implementation of bcmp.

If we care about size, bcmp should just call memcmp.
If we care about speed, we can change bcmp to look like this instead:
```rust
pub unsafe extern "C" fn bcmp(s1: *const u8, s2: *const u8, n: usize) -> i32 {
    let mut i = 0;
    while i < n {
        let a = *s1.offset(i as isize);
        let b = *s2.offset(i as isize);
        if a != b {
            return 1;
        }
        i += 1;
    }
    0
}
```

In this PR I do not address any changes which may or may not be needed for arm
aebi as I lack proper test hardware.

[1]: https://releases.llvm.org/9.0.0/docs/ReleaseNotes.html#noteworthy-optimizations
 2019-09-30 11:02:47 -05:00
Alex Crichton ea5db23a6a Remove `-nursery` from urls 2019-09-25 11:20:14 -07:00
Alex Crichton 711d17fb3c Update the gitmodule url for `libm` 2019-09-25 11:19:35 -07:00
Alex Crichton 1ac3970855 Migrate to github actions from Azure Pipelines 
Less need to manage users, more concurrency, and interface is all in
one!
 2019-09-10 21:57:13 -05:00
Alex Crichton 03875452c9
Merge pull request #313 from Lokathor/lokathor-tries-git 
Lokathor tries to use the .gitmodules
 2019-09-10 08:39:45 -05:00
Lokathor 893fe7e5de update the libm submodule, again 2019-09-09 19:43:37 -06:00
Lokathor 0a3e283c7c Update build.rs 2019-09-06 18:02:11 -06:00
Lokathor 095f020122 Update build.rs 2019-09-06 15:20:05 -06:00
Lokathor b3f16e25f2 Update the libm submodule 2019-09-06 13:48:15 -06:00
Lokathor a14ee75a24 i was told to change this path to my repo and reset things 2019-09-06 11:37:00 -06:00
Alex Crichton 44dc22f34d
Merge pull request #312 from Ralith/elementwise-unordered-atomics 
Tidy up unordered elementwise atomic memory intrinsics
 2019-08-23 11:07:41 -07:00
Benjamin Saunders 9775f08b1d Tidy up unordered elementwise atomic memory intrinsics 2019-08-23 10:20:09 -07:00
Alex Crichton bc57f53b5d
Merge pull request #311 from Ralith/elementwise-unordered-atomics 
Implement LLVM's elementwise unordered atomic memory intrinsics
 2019-08-22 16:01:41 -07:00
Benjamin Saunders 997b86d767 Implement LLVM's elementwise unordered atomic memory intrinsics 
Allows uses of intrinsics of the form
llvm.(memcpy|memmove|memset).element.unordered.atomic.* to be linked.
 2019-08-21 18:21:58 -07:00
Alex Crichton 1060f34342
Merge pull request #310 from alexcrichton/modernize 
Modernize the `testcrate` slighty
 2019-08-19 17:21:50 -05:00
Alex Crichton f0b43234dd
Merge pull request #309 from jgalenson/file-prefix-map 
Support deterministic builds by remapping the __FILE__ prefix if the …
 2019-08-19 17:20:33 -05:00
Joel Galenson c8f7928916 Update comment to mention where the __FILE__ macro is used. 2019-08-19 15:12:07 -07:00
Alex Crichton 332220adea Modernize the `testcrate` slighty 
* Update `rand` dependency
* Drop `cast` in favor of explicit casting or crate-defined
* Move build script to 2018 edition
 2019-08-19 14:02:08 -07:00
Joel Galenson ca423fe49a Support deterministic builds by remapping the __FILE__ prefix if the compiler supports it. 2019-08-19 09:30:45 -07:00