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Add unaligned volatile intrinsics

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This commit is contained in:
Amanieu d'Antras 2018-07-14 23:28:39 +01:00
parent 9363342be9
commit 303306cf5e
6 changed files with 44 additions and 8 deletions
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13
src/test/run-make-fulldeps/volatile-intrinsics/main.rs
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@ -10,17 +10,24 @@
#![feature(core_intrinsics, volatile)]
use std::intrinsics::{volatile_load, volatile_store};
use std::intrinsics::{
unaligned_volatile_load, unaligned_volatile_store, volatile_load, volatile_store,
};
use std::ptr::{read_volatile, write_volatile};
pub fn main() {
unsafe {
let mut i : isize = 1;
let mut i: isize = 1;
volatile_store(&mut i, 2);
assert_eq!(volatile_load(&i), 2);
}
unsafe {
let mut i : isize = 1;
let mut i: isize = 1;
unaligned_volatile_store(&mut i, 2);
assert_eq!(unaligned_volatile_load(&i), 2);
}
unsafe {
let mut i: isize = 1;
write_volatile(&mut i, 2);
assert_eq!(read_volatile(&i), 2);
}