On Mon, Feb 7, 2011 at 9:50 AM, Marc Pignat <marc.pig...@hevs.ch> wrote: > On Monday 07 February 2011 09:09:36 Øyvind Harboe wrote: >> What impact would it have to make this an >> inline fn? >> > ... >> > Inlined or not, this function could be faster. > > Even with inlining and constant propagation, I don't think gcc is smart enough > to replace "buf_set_buf(_src, 0, dst, 0, 64);" by "memcpy(_src, dst, 8);"
Sure it is! Just set up an if() statement that it can optimize and execute memcpy() in that case! With -O3 it can do a lot of constant propagation and figure out that an if() is always taken, especially if the args to if() are constant. -- Øyvind Harboe Can Zylin Consulting help on your project? US toll free 1-866-980-3434 / International +47 51 87 40 27 http://www.zylin.com/zy1000.html ARM7 ARM9 ARM11 XScale Cortex JTAG debugger and flash programmer _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
