On Mon, Nov 17, 2014 at 08:19:32AM +0100, Reimar Döffinger wrote: > On 17.11.2014, at 02:37, Michael Niedermayer <michae...@gmx.at> wrote: > > On Sat, Nov 15, 2014 at 06:16:03PM +0100, Reimar Döffinger wrote: > >> 11674 -> 10877 decicycles on my Phenom II. > >> Overall speedup was unfortunately within measurement error. > > > > here its 10153 ->10135 > > I suspect it also depends a bit on the compiler and how it changes the > surrounding code. > Note that I also tested with PIC actually. > > > but ive a slightly odd feeling about the chnages to the asm code, > > iam not sure if all assemblers will be happy about the changed > > code > > Do you mean particularly the movzbl change?
yes and the k stuff > I am also unsure about that, I think there was a reason for that %k6 mess... > But this as well as movzx seemed to work for me... it works here too i just have the feeling it might fail on some odd assembler or platform. Thats not meant to keep you from pushing this just that it might require to be reverted or fixed if such problems actually occor [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB it is not once nor twice but times without number that the same ideas make their appearance in the world. -- Aristotle
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