On Mon, Dec 12, 2011 at 3:05 AM, Rohit Arul Raj wrote:
> And with ‘-O3’ and above, we cannot switch OFF the flag
> ‘-fira-loop-pressure’, because it has been explicitly overridden in
> the PPC backend target files.
>
> 1) Is it possible to update the heuristic to allow this optimization.
> 2) If
Hi,
With PowerPC GCC tool chain v4.6.1 (for e500mc), i have a test case
which shows regression at -O3 with the patch [IRA-based register
pressure calculation for RTL loop invariant motion] listed below:
http://gcc.gnu.org/ml/gcc-patches/2009-09/msg01889.html
Reduced Test Case:
/*
