Messages in this thread |  | | Date | Mon, 30 Oct 2000 15:01:16 +0100 | From | Martin Dalecki <> | Subject | Re: 2.4.0-test10-pre6: Use of abs() |
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Horst von Brand wrote: > > Red Hat 7.0, i686, gcc-20001027 (Yes, I know. Just to flush out bugs on > both sides). > > abs() is used at least in: > > arch/i386/kernel/time.c > drivers/md/raid1.c > drivers/sound/sb_ess.c > > gcc warns about use of a non-declared function each time. > > No definition for the function is to be found (grep over all include/ comes > up clean, except for extern definitions in asm-{mips,ppc}; ditto for lib/). > Presumably gcc is using a builtin (it doesn't show up in System.map). Is > this the desired state of affairs? Should a include/linux/stdlib.h be
Yes abs will be transformed into an internal function, which will be fully unrolled due to -O2. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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