mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

rm unnecessary stage0 zero_memory fn

Browse Source
This commit is contained in:
Daniel Micay 2013-07-17 14:04:33 -04:00
parent 0239a06a64
commit 0bc204e74d
1 changed files with 6 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
src/libstd/ptr.rs
View File

@ -80,8 +80,7 @@ pub fn is_not_null<T>(ptr: *const T) -> bool { !is_null(ptr) }
#[inline]
#[cfg(target_word_size = "32")]
pub unsafe fn copy_memory<T>(dst: *mut T, src: *const T, count: uint) {
use unstable::intrinsics::memmove32;
memmove32(dst, src as *T, count as u32);
intrinsics::memmove32(dst, src as *T, count as u32);
}
/**
@ -93,8 +92,7 @@ pub unsafe fn copy_memory<T>(dst: *mut T, src: *const T, count: uint) {
#[inline]
#[cfg(target_word_size = "64")]
pub unsafe fn copy_memory<T>(dst: *mut T, src: *const T, count: uint) {
use unstable::intrinsics::memmove64;
memmove64(dst, src as *T, count as u64);
intrinsics::memmove64(dst, src as *T, count as u64);
}
/**
@ -106,8 +104,7 @@ pub unsafe fn copy_memory<T>(dst: *mut T, src: *const T, count: uint) {
#[inline]
#[cfg(target_word_size = "32")]
pub unsafe fn copy_nonoverlapping_memory<T>(dst: *mut T, src: *const T, count: uint) {
use unstable::intrinsics::memcpy32;
memcpy32(dst, src as *T, count as u32);
intrinsics::memcpy32(dst, src as *T, count as u32);
}
/**
@ -119,8 +116,7 @@ pub unsafe fn copy_nonoverlapping_memory<T>(dst: *mut T, src: *const T, count: u
#[inline]
#[cfg(target_word_size = "64")]
pub unsafe fn copy_nonoverlapping_memory<T>(dst: *mut T, src: *const T, count: uint) {
use unstable::intrinsics::memcpy64;
memcpy64(dst, src as *T, count as u64);
intrinsics::memcpy64(dst, src as *T, count as u64);
}
/**
@ -130,8 +126,7 @@ pub unsafe fn copy_nonoverlapping_memory<T>(dst: *mut T, src: *const T, count: u
#[inline]
#[cfg(target_word_size = "32")]
pub unsafe fn set_memory<T>(dst: *mut T, c: u8, count: uint) {
use unstable::intrinsics::memset32;
memset32(dst, c, count as u32);
intrinsics::memset32(dst, c, count as u32);
}
/**
@ -141,34 +136,17 @@ pub unsafe fn set_memory<T>(dst: *mut T, c: u8, count: uint) {
#[inline]
#[cfg(target_word_size = "64")]
pub unsafe fn set_memory<T>(dst: *mut T, c: u8, count: uint) {
use unstable::intrinsics::memset64;
memset64(dst, c, count as u64);
intrinsics::memset64(dst, c, count as u64);
}
/**
* Zeroes out `count * size_of::<T>` bytes of memory at `dst`
*/
#[inline]
#[cfg(not(stage0))]
pub unsafe fn zero_memory<T>(dst: *mut T, count: uint) {
set_memory(dst, 0, count);
}
/**
* Zeroes out `count * size_of::<T>` bytes of memory at `dst`
*/
#[inline]
#[cfg(stage0)]
pub unsafe fn zero_memory<T>(dst: *mut T, count: uint) {
let mut count = count * sys::size_of::<T>();
let mut dst = dst as *mut u8;
while count > 0 {
*dst = 0;
dst = mut_offset(dst, 1);
count -= 1;
}
}
/**
* Swap the values at two mutable locations of the same type, without
* deinitialising or copying either one.