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| author | Ariel Ben-Yehuda <arielb1@mail.tau.ac.il> | 2017-04-20 15:08:41 +0300 |
|---|---|---|
| committer | Ariel Ben-Yehuda <ariel.byd@gmail.com> | 2017-04-22 21:00:50 +0300 |
| commit | ece6c8434bc4eba1d3addfa4d5900264e55395fc (patch) | |
| tree | 5fe4185c3ba908c2eb5c9660111eb18f9d4918f1 /src/liballoc/heap.rs | |
| parent | acd0e40b86d718d339b13f594242575c28e966f7 (diff) | |
| download | rust-ece6c8434bc4eba1d3addfa4d5900264e55395fc.tar.gz rust-ece6c8434bc4eba1d3addfa4d5900264e55395fc.zip | |
cache attributes of items from foreign crates
this avoids parsing item attributes on each call to `item_attrs`, which takes off 33% (!) of translation time and 50% (!) of trans-item collection time.
Diffstat (limited to 'src/liballoc/heap.rs')
| -rw-r--r-- | src/liballoc/heap.rs | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/liballoc/heap.rs b/src/liballoc/heap.rs index 08a0b2a6d00..056af13016c 100644 --- a/src/liballoc/heap.rs +++ b/src/liballoc/heap.rs @@ -16,7 +16,6 @@ issue = "27700")] use core::{isize, usize}; -#[cfg(not(test))] use core::intrinsics::{min_align_of_val, size_of_val}; #[allow(improper_ctypes)] @@ -158,10 +157,9 @@ unsafe fn exchange_malloc(size: usize, align: usize) -> *mut u8 { } } -#[cfg(not(test))] -#[lang = "box_free"] +#[cfg_attr(not(test), lang = "box_free")] #[inline] -unsafe fn box_free<T: ?Sized>(ptr: *mut T) { +pub(crate) unsafe fn box_free<T: ?Sized>(ptr: *mut T) { let size = size_of_val(&*ptr); let align = min_align_of_val(&*ptr); // We do not allocate for Box<T> when T is ZST, so deallocation is also not necessary. |