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Const-stabilize const_int_ops + const_ip #57234

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merged 10 commits into from
Jan 12, 2019
Merged

Const-stabilize const_int_ops + const_ip #57234

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7e7c337
stabilize const_int_wrapping.
Centril Dec 24, 2018
e258489
stabilize const_int_rotate
Centril Dec 24, 2018
eb0597a
stabilize const_int_sign
Centril Dec 24, 2018
d85ec4a
const stabilizations: adjust run-pass tests.
Centril Dec 24, 2018
35d77fc
unchecked_{shl,shr}: extend const tests.
Centril Dec 29, 2018
e4c47f9
qualify_min_const_fn: improve note.
Centril Dec 29, 2018
fedfb61
make some intrinsics safe.
Centril Dec 31, 2018
50152d2
now that some intrisics are safe, use that fact.
Centril Dec 31, 2018
2760f87
const-stabilize const_int_ops + reverse_bits
Centril Dec 31, 2018
14be8a7
const-stabilize Ipv4Addr::new
Centril Dec 31, 2018
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8 changes: 4 additions & 4 deletions src/libcore/intrinsics.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1343,7 +1343,7 @@ extern "rust-intrinsic" {
/// use std::intrinsics::ctlz;
///
/// let x = 0b0001_1100_u8;
/// let num_leading = unsafe { ctlz(x) };
/// let num_leading = ctlz(x);
/// assert_eq!(num_leading, 3);
/// ```
///
Expand All @@ -1355,7 +1355,7 @@ extern "rust-intrinsic" {
/// use std::intrinsics::ctlz;
///
/// let x = 0u16;
/// let num_leading = unsafe { ctlz(x) };
/// let num_leading = ctlz(x);
/// assert_eq!(num_leading, 16);
/// ```
pub fn ctlz<T>(x: T) -> T;
Expand Down Expand Up @@ -1386,7 +1386,7 @@ extern "rust-intrinsic" {
/// use std::intrinsics::cttz;
///
/// let x = 0b0011_1000_u8;
/// let num_trailing = unsafe { cttz(x) };
/// let num_trailing = cttz(x);
/// assert_eq!(num_trailing, 3);
/// ```
///
Expand All @@ -1398,7 +1398,7 @@ extern "rust-intrinsic" {
/// use std::intrinsics::cttz;
///
/// let x = 0u16;
/// let num_trailing = unsafe { cttz(x) };
/// let num_trailing = cttz(x);
/// assert_eq!(num_trailing, 16);
/// ```
pub fn cttz<T>(x: T) -> T;
Expand Down
6 changes: 2 additions & 4 deletions src/libcore/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@
#![feature(cfg_target_has_atomic)]
#![feature(concat_idents)]
#![feature(const_fn)]
#![feature(const_int_ops)]
#![cfg_attr(stage0, feature(const_int_ops))]
#![feature(const_fn_union)]
#![feature(custom_attribute)]
#![feature(doc_cfg)]
Expand Down Expand Up @@ -113,9 +113,7 @@
#![feature(const_slice_len)]
#![feature(const_str_as_bytes)]
#![feature(const_str_len)]
#![feature(const_int_rotate)]
#![feature(const_int_wrapping)]
#![feature(const_int_sign)]
#![cfg_attr(stage0, feature(const_int_rotate))]
#![feature(const_int_conversion)]
#![feature(const_transmute)]
#![feature(reverse_bits)]
Expand Down
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