From 631cd5845e8de329d0e227aaa707d7ea228b8f8f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:20:29 +0200 Subject: Merging upstream version 1.70.0+dfsg1. Signed-off-by: Daniel Baumann --- tests/run-make/volatile-intrinsics/main.rs | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 tests/run-make/volatile-intrinsics/main.rs (limited to 'tests/run-make/volatile-intrinsics/main.rs') diff --git a/tests/run-make/volatile-intrinsics/main.rs b/tests/run-make/volatile-intrinsics/main.rs new file mode 100644 index 000000000..4295d95f3 --- /dev/null +++ b/tests/run-make/volatile-intrinsics/main.rs @@ -0,0 +1,24 @@ +#![feature(core_intrinsics, volatile)] + +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; + volatile_store(&mut i, 2); + assert_eq!(volatile_load(&i), 2); + } + unsafe { + 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); + } +} -- cgit v1.2.3