On Tue, 12 Apr 2016, sztfg@xxxxxxxxx wrote: > OK, I understand. But why compiler doesn't use this space in the stack to store some local variables? > For example: [snip] It could have; I think it's a bug somewhere in gcc internals that it does not. Others also noted situations where GCC allocates too much stack space on x86. I intend to look at this in more detail some time during the summer, but nevertheless, feel free to open a bug report in the GCC Bugzilla to attract the attention of x86 maintainers. Alexander
