rustc: Add the cmpxchg16b target feature on x86/x86_64
#56826
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This appears to be called `cx16` in LLVM and a few other locations, but the Intel Intrinsic Guide doesn't have a name for this and the CPU manual from Intel only mentions `cmpxchg16b`, so that's the name chosen here.
|
r? @oli-obk (rust_highfive has picked a reviewer for you, use r? to override) |
rust-highfive
added
the
S-waiting-on-review
|
cc @gnzlbg |
|
r? me |
|
@bors: r+ |
|
@gnzlbg: 🔑 Insufficient privileges: Not in reviewers |
gnzlbg
approved these changes
Dec 15, 2018
|
@bors r=gnzlbg |
|
📌 Commit fbb56bc has been approved by |
bors
added
S-waiting-on-bors
|
@bors: rollup |
Centril
added a commit
to Centril/rust
that referenced
this pull request
Dec 16, 2018
rustc: Add the `cmpxchg16b` target feature on x86/x86_64 This appears to be called `cx16` in LLVM and a few other locations, but the Intel Intrinsic Guide doesn't have a name for this and the CPU manual from Intel only mentions `cmpxchg16b`, so that's the name chosen here.
bors
added a commit
that referenced
this pull request
Dec 16, 2018
Rollup of 20 pull requests Successful merges: - #53506 (Documentation for impl From for AtomicBool and other Atomic types) - #56343 (Remove not used mod) - #56439 (Clearer error message for dead assign) - #56640 (Add FreeBSD unsigned char platforms to std::os::raw) - #56648 (Fix BTreeMap UB) - #56672 (Document time of back operations of a Linked List) - #56706 (Make `const unsafe fn` bodies `unsafe`) - #56742 (infer: remove Box from a returned Iterator) - #56761 (Suggest using `.display()` when trying to print a `Path`) - #56781 (Update LLVM submodule) - #56789 (rustc: Add an unstable `simd_select_bitmask` intrinsic) - #56790 (Make RValue::Discriminant a normal Shallow read) - #56793 (rustdoc: look for comments when scraping attributes/crates from doctests) - #56826 (rustc: Add the `cmpxchg16b` target feature on x86/x86_64) - #56832 (std: Use `rustc_demangle` from crates.io) - #56844 (Improve CSS rule) - #56850 (Fixed issue with using `Self` ctor in typedefs) - #56855 (Remove u8 cttz hack) - #56857 (Fix a small mistake regarding NaNs in a deprecation message) - #56858 (Fix doc of `std::fs::canonicalize`) Failed merges: - #56741 (treat ref-to-raw cast like a reborrow: do a special kind of retag) r? @ghost
# for free
to join this conversation on GitHub.
Already have an account?
# to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This appears to be called
cx16in LLVM and a few other locations, butthe Intel Intrinsic Guide doesn't have a name for this and the CPU
manual from Intel only mentions
cmpxchg16b, so that's the name chosenhere.