Re: More of a Loop fusion

2015-08-16 Thread Richard Biener
On August 16, 2015 1:21:22 PM GMT+02:00, Ajit Kumar Agarwal wrote: >All: > >Loop fusion is an important optimizations that fuses the set of Loops >if the following condition is valid. GCC does not implement loop fusion at all. Richard. >1) Loops are conformant ( i.e. they have same iteration c

More of a Loop fusion

2015-08-16 Thread Ajit Kumar Agarwal
All: Loop fusion is an important optimizations that fuses the set of Loops if the following condition is valid. 1) Loops are conformant ( i.e. they have same iteration count). 2. Loops are control equivalent. The control equivalence of the loops can be identified with the dominator and post dom