compile error with 2.5.66-ac2

compile error with 2.5.66-ac2

[hv]

Hi,
  When I compile 2.5.66-ac2 on HP LH6000,I get the follow error:
arch/i386/kernel/apic.c: In function `setup_local_APIC':
arch/i386/kernel/apic.c:454: unrecognizable insn:
(insn 541 1623 1624 (set (strict_low_part (reg:QI 2 cl [58]))
        (const_int 0 [0x0])) -1 (insn_list:REG_DEP_OUTPUT 530 (nil))
    (nil))
arch/i386/kernel/apic.c:454: Internal compiler error in insn_default_length, at
insn-attrtab.c:356
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://bugzilla.redhat.com/bugzilla/> for instructions.
make[1]: *** [arch/i386/kernel/apic.o] Error 1
make: *** [arch/i386/kernel] Error 2

My linux is redhat8.0

Re: compile error with 2.5.66-ac2

[Alan Cox]

On Llu, 2003-04-07 at 05:12, hv wrote:
> Hi,
>   When I compile 2.5.66-ac2 on HP LH6000,I get the follow error:
> arch/i386/kernel/apic.c: In function `setup_local_APIC':
> arch/i386/kernel/apic.c:454: unrecognizable insn:
> (insn 541 1623 1624 (set (strict_low_part (reg:QI 2 cl [58]))
>         (const_int 0 [0x0])) -1 (insn_list:REG_DEP_OUTPUT 530 (nil))
>     (nil))
> arch/i386/kernel/apic.c:454: Internal compiler error in insn_default_length, at
> insn-attrtab.c:356

Is this repeatable ?

Re: compile error with 2.5.66-ac2

[hv]

I have resolve this problem,but I dont know why......
When I use "CFLAGS= -Os -march=pentium3" on my HP LH6000(CPU is PIII 700),THe error appears. I change -Os to -O3 ,the error disappear.
but CFLAGS="-Os -march=pentium4" on my PC(P4 1.5G CPU),the error not appear any more.

On 07 Apr 2003 12:30:51 +0100
Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:

> On Llu, 2003-04-07 at 05:12, hv wrote:
> > Hi,
> >   When I compile 2.5.66-ac2 on HP LH6000,I get the follow error:
> > arch/i386/kernel/apic.c: In function `setup_local_APIC':
> > arch/i386/kernel/apic.c:454: unrecognizable insn:
> > (insn 541 1623 1624 (set (strict_low_part (reg:QI 2 cl [58]))
> >         (const_int 0 [0x0])) -1 (insn_list:REG_DEP_OUTPUT 530 (nil))
> >     (nil))
> > arch/i386/kernel/apic.c:454: Internal compiler error in insn_default_length, at
> > insn-attrtab.c:356
> 
> Is this repeatable ?
> 
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Re: compile error with 2.5.66-ac2

[Michael Buesch]

On Monday 07 April 2003 06:12, hv wrote:
> arch/i386/kernel/apic.c: In function `setup_local_APIC':
> arch/i386/kernel/apic.c:454: unrecognizable insn:
> (insn 541 1623 1624 (set (strict_low_part (reg:QI 2 cl [58]))
>         (const_int 0 [0x0])) -1 (insn_list:REG_DEP_OUTPUT 530 (nil))
>     (nil))
> arch/i386/kernel/apic.c:454: Internal compiler error in
> insn_default_length, at insn-attrtab.c:356
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See <URL:http://bugzilla.redhat.com/bugzilla/> for instructions.
> make[1]: *** [arch/i386/kernel/apic.o] Error 1
> make: *** [arch/i386/kernel] Error 2

seems to be a gcc bug, isn't it? Have you tried a newer version of gcc?

Regards
Michael Buesch.

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