https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68910
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target|sparc-rtems |sparc-*-*
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-12-16
CC| |ebotcazou at gcc dot gnu.org
Target Milestone|--- |5.4
Summary|SPARC/cypress: Poor code |[5/6 regression] huge stack
|generation, huge stack |frame and poor code with
|frame |instruction scheduling at
| |-O2
Ever confirmed|0 |1
--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
This looks like a spilling avalanche due to the first scheduling pass, so
either -fno-schedule-insns or -mtune=v7 (for cypress) or -mtune=v8 (for leon3)
can be passed to work around it.
