On 6/15/2021 8:14 AM, Aldy Hernandez via Gcc-patches wrote:
On 6/15/21 2:39 PM, Bernhard Reutner-Fischer wrote:
On 15 June 2021 13:48:39 CEST, Aldy Hernandez via Gcc-patches
wrote:
For bitwise or, nonzero|X is always nonzero. Make sure we don't drop
to
varying in this case.
This was fou
On 6/15/21 2:39 PM, Bernhard Reutner-Fischer wrote:
On 15 June 2021 13:48:39 CEST, Aldy Hernandez via Gcc-patches
wrote:
For bitwise or, nonzero|X is always nonzero. Make sure we don't drop
to
varying in this case.
This was found while examining differences between VRP/DOM threaders
and
t
On 15 June 2021 13:48:39 CEST, Aldy Hernandez via Gcc-patches
wrote:
>For bitwise or, nonzero|X is always nonzero. Make sure we don't drop
>to
>varying in this case.
>
>This was found while examining differences between VRP/DOM threaders
>and
>the upcoming work, but it could be useful for any us
For bitwise or, nonzero|X is always nonzero. Make sure we don't drop to
varying in this case.
This was found while examining differences between VRP/DOM threaders and
the upcoming work, but it could be useful for any user of range-ops.
Tested on x86-64 Linux.
OK?
gcc/ChangeLog:
* rang