Bernhard Fischer wrote:
> On Tue, Dec 04, 2007 at 08:36:31AM +0100, Carmelo AMOROSO wrote:
>
>> Paul Mundt wrote:
>>
>>> On Mon, Dec 03, 2007 at 10:33:39PM +0100, Carmelo Amoroso wrote:
>>>
>>>
>>>> Carmelo Amoroso wrote:
>>>> while doing some test for SH4 to measure size increase for 'always inline'
>>>> changes,
>>>> doscovered suddenly that gcc-4.1.1 (cross sh4) fails with the following
>>>> error:
>>>>
>>>> ../ldso/ldso/dl-elf.c: In function '_dl_dprintf':
>>>> ../ldso/ldso/dl-elf.c:858: error: unable to find a register to spill in
>>>> class 'R0_REGS'
>>>> ../ldso/ldso/dl-elf.c:858: error: this is the insn:
>>>> (insn 916 917 24 1 (set (reg/f:SI 1 r1 [219])
>>>> (mem/u/c:SI (plus:SI (reg:SI 12 r12)
>>>> (reg/f:SI 1 r1 [220])) [0 S4 A32])) 172 {movsi_ie} (nil)
>>>> (expr_list:REG_DEAD (reg/f:SI 1 r1 [220])
>>>> (expr_list:REG_EQUIV (symbol_ref:SI ("_dl_pagesize") <var_decl
>>>> 0x313a720 _dl_pagesize>)
>>>> (nil))))
>>>>
>>>> either running with -Os or -O0.
>>>> I'll test tomorrow with gcc-4.2.1 to see if it makes difference,
>>>> otherwise I suspect we should go back on my proposal in using always inline
>>>> only for arch strictly requiring it.
>>>>
>>>>
>>>>
>>> We've noticed this with some versions in buildroot also, so it seems to
>>> be a more common issue:
>>>
>>>
>>>
>> Indeed at home I have gcc from buildroot. Tested just now at office
>> using gcc-4.2.1 from STMicro toolchain
>> and it works fine, either using -O0 or -Os.
>> I'll try to update buildroot at home with gcc 4.2.1 as well and see if
>> it solves.
>> I'll keep you informed.
>>
>> Cheers,
>> Carmelo
>>
>>> CC ldso/ldso/ldso.oS
>>> In file included from
>>> ./libpthread/linuxthreads.old/sysdeps/sh/tls.h:23,
>>> from ./include/bits/uClibc_errno.h:35,
>>> from ./include/errno.h:62,
>>> from ./include/bits/syscalls.h:16,
>>> from ./include/sys/syscall.h:34,
>>> from ./ldso/ldso/sh/dl-syscalls.h:3,
>>> from ./ldso/include/dl-syscall.h:12,
>>> from ./ldso/include/ldso.h:36,
>>> from ldso/ldso/ldso.c:33:
>>> ./libpthread/linuxthreads.old/sysdeps/sh/pt-machine.h:36: warning: C99
>>> inline functions are not supported; using GNU89
>>> ./libpthread/linuxthreads.old/sysdeps/sh/pt-machine.h:36: warning: to
>>> disable this warning use -fgnu89-inline or the gnu_inline function attribute
>>>
>
> This needs fixing anyway. See the patch in my buildroot repo.
>
>
Hi Bernd,
could you provide the link... searching among gcc4.1.1 patches from
buildroot svn
I did find something related to this.
Carmelo
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