Re:A Gentle Introduction to LLVM IR
by narrowbyte on Wednesday August 02, 2023 @06:45PM
(#36978853)
what does this mean? "In LLVM IR, much like in Rust but unlike in C/C++, individual loads and stores are volatile (i.e., have compiler-invisible side-effects)."
Re:A Gentle Introduction to LLVM IR
by steveklabnik on Wednesday August 02, 2023 @06:53PM
(#36978962)
In C and C++, volatile is a qualifier for a type. You then use that type like any other.
In Rust, there is no volatile types. There are two functions, read_volatile and write_volatile, on pointers.
Rust’s API is basically identical to the intrinsics, whereas C and C++‘s are not. This plays out with stuff like the drama around volatile compound operators being deprecated.
https://git.envs.net/mpech/pil21
I'd like to see more of stuff like this
In Rust, there is no volatile types. There are two functions, read_volatile and write_volatile, on pointers.
Rust’s API is basically identical to the intrinsics, whereas C and C++‘s are not. This plays out with stuff like the drama around volatile compound operators being deprecated.