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<== Date ==> <== Thread ==>

Subject: Re: AW: EPICS 7 and VxWorks 6.9 for PPC604?
From: Michael Davidsaver via Core-talk <core-talk at aps.anl.gov>
To: "Zimoch Dirk (PSI)" <dirk.zimoch at psi.ch>, "'core-talk at aps.anl.gov'" <core-talk at aps.anl.gov>
Date: Wed, 3 Jun 2020 09:47:44 -0700
On 6/3/20 8:31 AM, Zimoch Dirk (PSI) wrote:
> I will try the selective -fno-inline ...

If vxworks 6.7 had gcc 4.1 then the threshold for using
__attribute__((always_inline)) is now being crossed.

https://github.com/epics-base/pvDataCPP/blob/0fa927afa7d92f490f92eb4906e27046080309e2/src/misc/pv/templateMeta.h#L15-L16

>> -----Ursprüngliche Nachricht-----
>> Von: Zimoch Dirk (PSI)
>> Gesendet: Mittwoch, 3. Juni 2020 17:30
>> An: 'Michael Davidsaver' <mdavidsaver at gmail.com>; 'core-talk at aps.anl.gov'
>> <core-talk at aps.anl.gov>
>> Betreff: AW: EPICS 7 and VxWorks 6.9 for PPC604?
>>
>> 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
>>>>
> 


Replies:
AW: AW: EPICS 7 and VxWorks 6.9 for PPC604? Zimoch Dirk (PSI) via Core-talk
References:
EPICS 7 and VxWorks 6.9 for PPC604? Zimoch Dirk (PSI) via Core-talk
Re: EPICS 7 and VxWorks 6.9 for PPC604? Michael Davidsaver via Core-talk
AW: EPICS 7 and VxWorks 6.9 for PPC604? Zimoch Dirk (PSI) via Core-talk
AW: EPICS 7 and VxWorks 6.9 for PPC604? Zimoch Dirk (PSI) via Core-talk

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