https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125431
Tamar Christina <tnfchris at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|unassigned at gcc dot gnu.org |tnfchris at gcc dot
gnu.org
Summary|Generated |[14/15/16/17 Regression]
|complex-arithmetic code |Generated
|includes FCMLA instructions |complex-arithmetic code
|even when -ffp-contract=off |includes FCMLA instructions
| |even when -ffp-contract=off
Status|UNCONFIRMED |ASSIGNED
Component|target |tree-optimization
Ever confirmed|0 |1
Target Milestone|--- |14.5
Last reconfirmed| |2026-06-02
--- Comment #3 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
Confirmed.
The check is in the wrong place, it was added in the lane swapping code rather
than just a general condition so it reliably catches complex multiply and
accumulate but not complex multiply.
Testing a patch.