Re: [PATCH] tree-call-cdce: If !HONOR_NANS do not make code with NaNs (PR88055)

2019-04-19 Thread Segher Boessenkool
On Fri, Apr 19, 2019 at 10:15:31AM -0600, Jeff Law wrote: > On 4/18/19 3:23 PM, Segher Boessenkool wrote: > > If we don't HONOR_NANS we should not try to use any unordered > > comparison results. Best case those will just be optimized away; > > realistically, they ICE. For example, the rs6000

Re: [PATCH] tree-call-cdce: If !HONOR_NANS do not make code with NaNs (PR88055)

2019-04-19 Thread Jeff Law
On 4/18/19 3:23 PM, Segher Boessenkool wrote: > If we don't HONOR_NANS we should not try to use any unordered > comparison results. Best case those will just be optimized away; > realistically, they ICE. For example, the rs6000 backend has some > code that specifically checks we never do this. >

[PATCH] tree-call-cdce: If !HONOR_NANS do not make code with NaNs (PR88055)

2019-04-18 Thread Segher Boessenkool
If we don't HONOR_NANS we should not try to use any unordered comparison results. Best case those will just be optimized away; realistically, they ICE. For example, the rs6000 backend has some code that specifically checks we never do this. This patch fixes it. Bootstrapped and tested on