[Bug middle-end/51839] GCC not generating adc instruction for canonical multi-precision add sequence

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51839

Andrew Pinski  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
   Target Milestone|--- |8.0
 Resolution|--- |FIXED
   Keywords||missed-optimization

--- Comment #2 from Andrew Pinski  ---
So this was implemented with the following revisions:
r6-3012
r6-5232
r8-7547
And maybe a few others were needed.

[Bug middle-end/51839] GCC not generating adc instruction for canonical multi-precision add sequence

[chfast at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51839

Paweł Bylica  changed:

   What|Removed |Added

 CC||chfast at gmail dot com

--- Comment #1 from Paweł Bylica  ---
This is fixed in GCC 8.1 (at least for add+adc pair).
https://godbolt.org/z/9j4f6r