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| author | Daniel Micay <danielmicay@gmail.com> | 2014-05-12 02:51:00 -0400 |
|---|---|---|
| committer | Daniel Micay <danielmicay@gmail.com> | 2014-05-12 02:52:32 -0400 |
| commit | 8b912bc56be35149a405752f134b8b659366a35c (patch) | |
| tree | 2bed14bec41fcbba6737ef3199623b81e679f0ac /src/libstd | |
| parent | 72fc4a5eb72b8ba96dba66400c7eecac93b0b252 (diff) | |
| download | rust-8b912bc56be35149a405752f134b8b659366a35c.tar.gz rust-8b912bc56be35149a405752f134b8b659366a35c.zip | |
register snapshots
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/rt/heap.rs | 38 | ||||
| -rw-r--r-- | src/libstd/slice.rs | 48 |
2 files changed, 2 insertions, 84 deletions
diff --git a/src/libstd/rt/heap.rs b/src/libstd/rt/heap.rs index b729fb38035..e616b9b8beb 100644 --- a/src/libstd/rt/heap.rs +++ b/src/libstd/rt/heap.rs @@ -114,15 +114,7 @@ pub fn stats_print() { } /// The allocator for unique pointers. -#[cfg(stage0)] -#[lang="exchange_malloc"] -#[inline(always)] -pub unsafe fn exchange_malloc_(size: uint) -> *mut u8 { - exchange_malloc(size) -} - -/// The allocator for unique pointers. -#[cfg(not(test), not(stage0))] +#[cfg(not(test))] #[lang="exchange_malloc"] #[inline(always)] pub unsafe fn exchange_malloc_(size: uint, align: uint) -> *mut u8 { @@ -130,23 +122,6 @@ pub unsafe fn exchange_malloc_(size: uint, align: uint) -> *mut u8 { } /// The allocator for unique pointers. -#[cfg(stage0)] -#[inline] -pub unsafe fn exchange_malloc(size: uint) -> *mut u8 { - // The compiler never calls `exchange_free` on ~ZeroSizeType, so zero-size - // allocations can point to this `static`. It would be incorrect to use a null - // pointer, due to enums assuming types like unique pointers are never null. - static EMPTY: () = (); - - if size == 0 { - &EMPTY as *() as *mut u8 - } else { - allocate(size, 8) - } -} - -/// The allocator for unique pointers. -#[cfg(not(stage0))] #[inline] pub unsafe fn exchange_malloc(size: uint, align: uint) -> *mut u8 { // The compiler never calls `exchange_free` on ~ZeroSizeType, so zero-size @@ -187,16 +162,7 @@ unsafe fn closure_exchange_malloc(drop_glue: fn(*mut u8), size: uint, align: uin #[no_mangle] #[doc(hidden)] #[deprecated] -#[cfg(stage0, not(test))] -pub unsafe extern "C" fn rust_malloc(size: uint) -> *mut u8 { - exchange_malloc(size) -} - -// hack for libcore -#[no_mangle] -#[doc(hidden)] -#[deprecated] -#[cfg(not(stage0), not(test))] +#[cfg(not(test))] pub unsafe extern "C" fn rust_malloc(size: uint, align: uint) -> *mut u8 { exchange_malloc(size, align) } diff --git a/src/libstd/slice.rs b/src/libstd/slice.rs index 3c0d0efa766..66471ee3923 100644 --- a/src/libstd/slice.rs +++ b/src/libstd/slice.rs @@ -291,54 +291,6 @@ pub trait CloneableVector<T> { impl<'a, T: Clone> CloneableVector<T> for &'a [T] { /// Returns a copy of `v`. #[inline] - #[cfg(stage0)] - fn to_owned(&self) -> ~[T] { - use RawVec = core::raw::Vec; - use num::{CheckedAdd, CheckedMul}; - use option::Expect; - - let len = self.len(); - let data_size = len.checked_mul(&mem::size_of::<T>()); - let data_size = data_size.expect("overflow in to_owned()"); - let size = mem::size_of::<RawVec<()>>().checked_add(&data_size); - let size = size.expect("overflow in to_owned()"); - - unsafe { - // this should pass the real required alignment - let ret = exchange_malloc(size) as *mut RawVec<()>; - - (*ret).fill = len * mem::nonzero_size_of::<T>(); - (*ret).alloc = len * mem::nonzero_size_of::<T>(); - - // Be careful with the following loop. We want it to be optimized - // to a memcpy (or something similarly fast) when T is Copy. LLVM - // is easily confused, so any extra operations during the loop can - // prevent this optimization. - let mut i = 0; - let p = &mut (*ret).data as *mut _ as *mut T; - try_finally( - &mut i, (), - |i, ()| while *i < len { - mem::move_val_init( - &mut(*p.offset(*i as int)), - self.unsafe_ref(*i).clone()); - *i += 1; - }, - |i| if *i < len { - // we must be failing, clean up after ourselves - for j in range(0, *i as int) { - ptr::read(&*p.offset(j)); - } - // FIXME: #13994 (should pass align and size here) - deallocate(ret as *mut u8, 0, 8); - }); - mem::transmute(ret) - } - } - - /// Returns a copy of `v`. - #[inline] - #[cfg(not(stage0))] fn to_owned(&self) -> ~[T] { use RawVec = core::raw::Vec; use num::{CheckedAdd, CheckedMul}; |
