[Bug c/92230] Proposal to have builtin underflow detection function

2019-10-30 Thread arieltorti14 at gmail dot com 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92230

Ariel Torti  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |INVALID

--- Comment #2 from Ariel Torti  ---
You got it right, I accidentally used the signed version and got confused by
the result.

[Bug c/92230] Proposal to have builtin underflow detection function

2019-10-28 Thread pinskia at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92230

--- Comment #1 from Andrew Pinski  ---
Overflow for sub works both directions.   Unless I am misunderstanding what you
are asking.

[Bug c/92230] Proposal to have builtin underflow detection function

2019-10-28 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92230

Richard Biener  changed:

   What|Removed |Added

  Component|middle-end  |c
   Severity|normal  |enhancement