On Tue, 27 Mar 2012 08:12:12 +1300, Axel Dörfler <axeld@xxxxxxxxxxxxxxxx> wrote:
On 26.03.2012 04:11, Joseph Groover wrote:Sorry, I should have been specific. mmintrin.h is not part of the API (but I have a copy), but setting -msse (or -msse[x]) returns: g++ -c main.cpp -I./ -I- -O0 -g -Wall -Wno-multichar -Wno-ctor-dtor-privacy -march=i686 -msse -o "objects/main.o" ccqplus: Invalid option `sse' Do I need to use gcc4? That would be fine in a pinch, but I'm not sure running the entire app_server as gcc4 would be desirable...You would need to use GCC4 indeed. However, writing them directly in assembly works with GCC2, too :-)Bye, Axel.
shouldn't memcpy use the fasted method by itself? or is that not efficiently possible?
Clemens
