Alexandre Pereira Nunes Tue, 01 Mar 2011 12:23:07 -0800
AFAIK, Cortex-M3 has single-cycle multiply, right? I'm seeing gcc 4.5.2 prefering to do a lot (up to 5) of adds w/ shifts in places where a single mult would suffice. If I'm interpreting it right, where are the costs computed? Thanks! Alexandre
