Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
From: Krzysztof Halasa
Date: Thu Dec 29 2005 - 14:48:23 EST
Ingo Molnar <mingo@xxxxxxx> writes:
>> Remember the above gcc miscompiles the x86-32 kernel with -Os:
>>
>> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=173764
>
> i'm not sure what the point is.
Nothing special, just a side note.
> There was no sudden rush of -Os related
> bugs when Fedora switched to it for the kernel,
I found 'ip route add' was broken with -Os. I use FC4s but the kernel
is usually a mutated version of the Linus' tree so I can't check it.
> and the 35% code-size
> savings were certainly worth it in terms of icache footprint.
Sure.
Good to hear gcc 4.1 is fixed.
--
Krzysztof Halasa
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