On Wed, Aug 8, 2012 at 4:38 AM, shweta_guptasairam <er.shwetagupta.edu@xxxxxxxxx> wrote: > > This stall is not getting removed in sched2 also > r0=[ar6-0x34] > [ar0++]=r0 > ar2=[ar6-0x30] > [ar0++]=ar2 > ar1=[ar6-0x2c] > [ar0++]=ar1 This looks like a memory aliasing issue. In order to rearrange this code to avoid the stalls, the compiler needs to know for sure that the writes through ar0 do not change the memory that ar6 points to. Ian
