On Mon, Mar 26, 2018 at 08:19:02AM +0200, Harald van Dijk wrote: > On 3/26/18 7:12 AM, Herbert Xu wrote: > >FWIW your patch when built with -O2 with gcc 4.7.2 is actually > >16 bytes bigger than my version. > > Interesting. Not sure what might cause that.
gcc likes to unroll things a lot which tends to duplicate code. Sometimes I end up with three copies of the same code segment just because gcc thinks it'll help remove branches. None of this happens with -Os. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe dash" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html