On 12/11/2015 02:48 PM, Jan Beulich wrote:
Function (or more narrow) scope static variables (as well as others not
placed on the stack) should also not have any effect on the stack
alignment. I noticed the issue first with Linux'es dynamic_pr_debug()
construct using an 8-byte aligned sub-file-scope local variable.
According to my checking bad behavior started with 4.6.x (4.5.3 was
still okay), but generated code got quite a bit worse as of 4.9.0.
[v4: Bail early, using is_global_var(), as requested by Bernd.]
In case I haven't made it obvious, this is OK.
Bernd
