GCC 4.1.2 generates different pentium instructions

[H. J. Lu]

On Wed, Mar 21, 2007 at 09:19:44PM +0100, fafa wrote:
> Hi all,
> 
> I noticed that G++ 4.1.2 (on a Pentium 4) generates different instructions  
> for
>   lea    0x0(%esi),%esi
> or
>   lea    0x0(%edi),%edi
> with the same meaning but different encoding depending on the switch
> "-momit-leaf-frame-pointer".
> 

They are generated by assembler for different alignment adjustments.


H.J.