Re: [RFC] Use ccp mask and val to refine value_range

2016-08-12 Thread Richard Biener
On Mon, Aug 8, 2016 at 3:41 AM, kugan wrote: > Hi All, > > I was experimenting with using ccp mask and value to refine value_ranges for > SSA_NAME. Attached patch does this. This might be particularly useful for > early_vrp. Bootstrap on x86_64-linux-gnu is OK. However, there are some > test-cases

[RFC] Use ccp mask and val to refine value_range

2016-08-07 Thread kugan
Hi All, I was experimenting with using ccp mask and value to refine value_ranges for SSA_NAME. Attached patch does this. This might be particularly useful for early_vrp. Bootstrap on x86_64-linux-gnu is OK. However, there are some test-cases (as shown below) are failing. Is this worth inves