[Bug rtl-optimization/54472] ICE (spill_failure): unable to find a register to spill in class 'AREG' with -O -fschedule-insns -fselective-scheduling

[ubizjak at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54472



--- Comment #4 from Uros Bizjak <ubizjak at gmail dot com> 2012-10-04 09:29:15 
UTC ---

(In reply to comment #3)

> > For some reason, -fselective-scheduling is moving

> > 

> > (insn 19 16 22 2 (use (reg/i:SI 0 ax)) testcase.c:6 -1

> >      (nil))

> > 

> > around. This insn marks function return, so IMO should be at the function 
> > exit

> > all the time. -fschedule-insns (without -fselective-scheduling) leaves the 
> > insn

> > at the function exit. Is it OK to move this marker around?

> 

> I will take a look but I'm out of office until Friday at least (maybe Monday).



Any progress on this?