Rolling up PRs in the queue #18719
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Rolling up PRs in the queue #18719
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This almost completely avoids GEPi's and pointer manipulation,
postponing it until the end with one big write of the whole vector. This
leads to a small speed-up in compilation, and makes it easier for LLVM
to work with the values, e.g. with `--opt-level=0`,
pub fn foo() -> f32x4 {
f32x4(0.,0.,0.,0.)
}
was previously compiled to
define <4 x float> @_ZN3foo20h74913e8b13d89666eaaE() unnamed_addr #0 {
entry-block:
%sret_slot = alloca <4 x float>
%0 = getelementptr inbounds <4 x float>* %sret_slot, i32 0, i32 0
store float 0.000000e+00, float* %0
%1 = getelementptr inbounds <4 x float>* %sret_slot, i32 0, i32 1
store float 0.000000e+00, float* %1
%2 = getelementptr inbounds <4 x float>* %sret_slot, i32 0, i32 2
store float 0.000000e+00, float* %2
%3 = getelementptr inbounds <4 x float>* %sret_slot, i32 0, i32 3
store float 0.000000e+00, float* %3
%4 = load <4 x float>* %sret_slot
ret <4 x float> %4
}
but now becomes
define <4 x float> @_ZN3foo20h74913e8b13d89666eaaE() unnamed_addr #0 {
entry-block:
ret <4 x float> zeroinitializer
}
This should help with a potential race condition.
This catches uses of unstable traits in
```
trait Foo: UnstableTrait { }
```
and
```
impl UnstableTrait for Foo { }
```
…,C>`. These paths also bind anonymous regions (or will, once HRTB is fully working). Fixes rust-lang#18423.
…nces completely.
`getrandom(2)` system call [1] has been added on Linux 3.17. This patch makes `OsRng` use `getrandom` if available, and use traditional `/dev/urandom` fallback if not. [1]: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c6e9d6f38894798696f23c8084ca7edbf16ee895
Corrected singular/plural reference to enums
* Renames/deprecates the simplest and most obvious methods * Adds FIXME(conventions)s for outstanding work * Marks "handled" methods as unstable NOTE: the semantics of reserve and reserve_exact have changed! Other methods have had their semantics changed as well, but in a way that should obviously not typecheck if used incorrectly. Lots of work and breakage to come, but this handles most of the core APIs and most eggregious breakage. Future changes should *mostly* focus on niche collections, APIs, or simply back-compat additions. [breaking-change]
- ToBase64 - FromBase64 - ToHex - FromHex - ToJson - Encodable
…percase_statics
To make progress on rust-lang#18585 we're paring down the distribution to theoretically "only libstd", and this commit makes progress on this by removing the rlibc crate from the distribution. The crate has now been moved into an external cargo package located in the rust lang organization [1]. This is a breaking change due to this removal, and existing crates depending on `rlibc` should use the Cargo crate instead. [1]: https://github.com/rust-lang/rlibc [breaking-change] cc rust-lang#18585
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❤️ Thanks so much for doing this all the time! 💌 |
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