On Fri, Mar 04, 2005 at 04:59:25PM -0600, Edmar Wienskoski wrote: > and notice a considerable number of load instructions in the 64 bits one. > > Does anyone have an insight on why this is happening ?
These are most likey 64-bit address constant loads. On ppc32, a 32-bit address constant can be calculated in at most 2 instructions. A 64-bit address takes up to 5 instructions to calculate in-line, or a TOC memory load. -- Alan Modra IBM OzLabs - Linux Technology Centre