Experimental Physics and
Industrial Control System

"Zimoch Dirk \(PSI\) via Core-talk" <core-talk at aps.anl.gov> · Wed, 3 Jun 2020 15:30:20 +0000

It's gcc 4.3.3.

Using -O0 (as used to fix bug 1702298) in helps for fdmgr.cpp but not for typeCast.h.

> -----Ursprüngliche Nachricht-----
> Von: Michael Davidsaver <mdavidsaver at gmail.com>
> Gesendet: Mittwoch, 3. Juni 2020 17:13
> An: Zimoch Dirk (PSI) <dirk.zimoch at psi.ch>; 'core-talk at aps.anl.gov' <core-
> talk at aps.anl.gov>
> Betreff: Re: EPICS 7 and VxWorks 6.9 for PPC604?
> 
> For those of us who aren't so familiar with vxworks, which GCC version(s) are
> involved.
> 
> You may remember https://bugs.launchpad.net/epics-base/+bug/1702298
> 
> 
> On 6/3/20 8:04 AM, Zimoch Dirk (PSI) via Core-talk wrote:
> > Has anyone already compiled EPICS 7 for VxWorks 6.9 for PPC604?
> > I have problems:
> >
> > With -O2 it fails here:
> >
> > ../fdmgr/fdmgr.cpp: In member function 'virtual
> epicsTimerNotify::expireStatus timerForOldFdmgr::expire(const epicsTime&)':
> > ../fdmgr/fdmgr.cpp:152: error: unable to find a register to spill in class
> 'FLOAT_REGS'
> > ../fdmgr/fdmgr.cpp:152: error: this is the insn:
> > (insn:HI 16 15 17 2 ../fdmgr/fdmgr.cpp:151 (set (reg:DF 126 [ D.11913.delay ])
> >         (mem/s/j/c:DF (plus:SI (reg/f:SI 113 sfp)
> >                 (const_int 8 [0x8])) [0 D.11913.delay+0 S8 A64])) 336
> {*movdf_hardfloat32} (expr_list:REG_EQUIV (mem/s/j/c:DF (plus:SI (reg/f:SI 113
> sfp)
> >                 (const_int 8 [0x8])) [0 D.11913.delay+0 S8 A64])
> >         (nil)))
> > ../fdmgr/fdmgr.cpp:152: confused by earlier errors, bailing out
> >
> > With -O1 (or lower) it comliles the above but then fails here:
> >
> > ../../src/misc/pv/typeCast.h: In function 'void<unnamed>::castVTyped(size_t,
> void*, const void*) [with TO = std::basic_string<char, std::char_traits<char>,
> std::allocator<char> >, FROM = float]':
> > ../../src/misc/pv/typeCast.h:195: sorry, unimplemented: inlining failed in call
> to 'TO epics::pvData::castUnsafe(const FROM&) [with TO =
> std::basic_string<char, std::char_traits<char>, std::allocator<char> >, FROM =
> float]': recursive inlining
> > ../../src/misc/typeCast.cpp:38: sorry, unimplemented: called from here
> >
> > At least the compiler is "sorry".  I feel much better.
> >
> > BTW: VxWorks 6.7 has no such problems.
> >
> > Dirk
> >

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System