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S.Çağlar Onur wrote: > 27 Oca 2007 Cts tarihinde, Avi Kivity şunları yazmıştı: > >> The patch looks correct, but I don't understand the gcc error message. >> Are we sure this isn't a gcc 4.2 bug? >> >> "g" appears to be equivalent to "rmi", if "i" is impossible, gcc is free >> to use "r" or "m", no? >> > > Accorgind to GCC devs. its not a bug > (http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29808), on comment #5 the > problem described like; > > "g" means "r"+"i" so the register allocator in the -O0 case is selecting "r" > while in the optimize case is selecting "i" > > That's a different bug. The gcc PR has an assembler error message, as expected, whereas the kvm miscompile has a compiler error, which I don't understand. Anyhow, your patch is correct (because selecting "i" is indeed erroneous) so I'll apply it, but I'm worried that there's a gcc bug in there that we ought to report. -- error compiling committee.c: too many arguments to function - 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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