Messages in this thread | | | Subject | Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers | From | Krzysztof Halasa <> | Date | Thu, 29 Dec 2005 20:44:10 +0100 |
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Ingo Molnar <mingo@elte.hu> 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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