[Qemu-devel] Still compile problems with TCG

[Qemu-devel] Still compile problems with TCG

[Johannes Schindelin]

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Hi,

I still have problems (Pentium M, gcc (GCC) 4.1.2 20061115 (prerelease) 
(SUSE Linux)):

make -C i386-linux-user all
make[1]: Entering directory `/home/gitte/qemu/i386-linux-user'
gcc -Wall -O2 -g -fno-strict-aliasing  -fno-reorder-blocks  -fno-gcse  -fno-tree-ch  -fno-optimize-sibling-calls  -fno-crossjumping  -fno-align-labels  -fno-align-jumps  -fno-align-functions   -mpreferred-stack-boundary=2 -fomit-frame-pointer -DCONFIG_HAS_LINUX_COMPILER_H=1 -m32 -I. -I.. -I/home/gitte/qemu/target-i386 -I/home/gitte/qemu -MMD -MP -DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/home/gitte/qemu/tcg -I/home/gitte/qemu/tcg/i386 -I/home/gitte/qemu/fpu -I/home/gitte/qemu/linux-user -I/home/gitte/qemu/linux-user/i386 -c -o op.o /home/gitte/qemu/target-i386/op.c
/home/gitte/qemu/target-i386/ops_sse.h: In function ‘op_pshufw_mmx’:
/home/gitte/qemu/target-i386/ops_sse.h:593: error: unable to find a register to spill in class ‘GENERAL_REGS’
/home/gitte/qemu/target-i386/ops_sse.h:593: error: this is the insn:
(insn:HI 17 16 18 0 /home/gitte/qemu/target-i386/ops_sse.h:588 (set (strict_low_part (subreg:HI (reg/v:DI 63 [ r ]) 0))
        (mem/s/j:HI (plus:SI (mult:SI (reg:SI 64)
                    (const_int 2 [0x2]))
                (reg/v/f:SI 59 [ s ])) [0 <variable>._w S2 A16])) 40 {*movstricthi_1} (insn_list:REG_DEP_TRUE 51 (insn_list:REG_DEP_TRUE 12 (insn_list:REG_DEP_TRUE 16 (nil))))
    (expr_list:REG_DEAD (reg:SI 64)
        (nil)))
/home/gitte/qemu/target-i386/ops_sse.h:593: confused by earlier errors, bailing out
make[1]: *** [op.o] Fehler 1
make[1]: Leaving directory `/home/gitte/qemu/i386-linux-user'
make: *** [subdir-i386-linux-user] Fehler 2


This is current CVS + patch to detect linux/compiler.h for SuSE.

FWIW, line 588 in my current target-i386/ops_sse.h is

	r.W(0) = s->W(order & 3);

in the function

	void OPPROTO glue(op_pshufw, SUFFIX) (void)

Can anybody provide me with enough clues to fix it?

Thanks,
Dscho

Re: [Qemu-devel] Still compile problems with TCG

[Paul Brook]

> I still have problems (Pentium M, gcc (GCC) 4.1.2 20061115 (prerelease)

gcc4 isn't supposed to work.

Paul

Re: [Qemu-devel] Still compile problems with TCG

[Andreas Färber]

Am 27.02.2008 um 17:14 schrieb Paul Brook:

>> I still have problems (Pentium M, gcc (GCC) 4.1.2 20061115  
>> (prerelease)
>
> gcc4 isn't supposed to work.

And I thought that was the whole point in breaking non-x86 hosts!

Andreas

Re: [Qemu-devel] Still compile problems with TCG

[Paul Brook]

On Wednesday 27 February 2008, Andreas Färber wrote:
> Am 27.02.2008 um 17:14 schrieb Paul Brook:
> >> I still have problems (Pentium M, gcc (GCC) 4.1.2 20061115
> >> (prerelease)
> >
> > gcc4 isn't supposed to work.
>
> And I thought that was the whole point in breaking non-x86 hosts!

In the long term, yes.  However the gcc3 dependency will remain until the tcg 
migration has been completed.

Paul