Discussion on runtime/compiler meeting: Struct packing/reordering

[محمد بومنذر‎]

Hello,

I have been following the Go Runtime and Compiler team meeting notes for a while. In the recent notes, I noticed something that got my attention regarding memory layout optimization for structures. 

https://github.com/golang/go/issues/43930#issuecomment-2009816508

I'm working on some code that interfaces with C libraries without directly utilizing the CGo tool (for portability reasons). Currently, I'm adding padding fields manually for C structs like

struct {a int32; _ [4]byte}

Would this behavior be affected?

[Ian Lance Taylor]

‪On Thu, Mar 21, 2024 at 4:47 PM ‫محمد بومنذر‬‎

Exactly because of this concern there is a proposal https://go.dev/issue/66408.

Ian