Chuck Ebbert wrote:
>
> I just tried gcc 3.3.3 and the kernel gets a little bigger but it boots
> and runs OK. That's the oldest compiler I can find.
>
> text data bss dec hex filename
> 3593627 559864 342728 4496219 449b5b 2.6.17-rc6-32-post/vmlinux
> 3591371 559864 342728 4493963 44928b 2.6.17-rc6-32/vmlinux
> +2256
>
> Looking at the generated code, it seems the compiler just makes dumb
> choices and tends to recompute current_thread_info() in unlikely code
> paths even when there is no register pressure. 4.0.2 makes better
> choices.
What size with gcc 4.1.2 ? (just curiosity)
Regards
--
Emmanuel Fleury | Office: 211
Associate Professor, | Phone: +33 (0)5 40 00 35 24
LaBRI, Domaine Universitaire | Fax: +33 (0)5 40 00 66 69
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33405 Talence Cedex, France | URL: http://www.labri.fr/~fleury
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