Re: [Qemu-devel] [PATCH 0/5] Enable building of op.o on gcc4

[Johannes Schindelin]

Hi,

On Thu, 17 Jan 2008, Ismail Dönmez wrote:

> Thanks but ppc target doesn't work here with gcc 4.3 trunk , i686-linux :
> 
> gcc -mtune=native -march=native -O2 -pipe -fomit-frame-pointer 
> -Wstrict-overflow -Wall -O2 -g -fno-strict-aliasing -fomit-frame-pointer -I. 
> -I.. 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/target-ppc 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1 -MMD -MP -DNEED_CPU_H 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/linux-user 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/linux-user/ppc -D_GNU_SOURCE 
> -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/fpu-DHAS_AUDIO 
> -DHAS_AUDIO_CHOICE -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/slirp    -c -o 
> cpu-exec.o /var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/cpu-exec.c
> ../dyngen -g -o gen-op.h op.o
> dyngen: ret or jmp expected at the end of op_divw
> 
> This is for ppc-linux-user .

Does not happen for me, with gcc 4.1.2 on OpenSUSE 10.2.

> Also arm-linux-user is broken :
> 
> gcc -mtune=native -march=native -O2 -pipe -fomit-frame-pointer 
> -Wstrict-overflow -Wall -O2 -g -fno-strict-aliasing -I. -I.. 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/target-mips 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1 -MMD -MP -DNEED_CPU_H 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/linux-user 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/linux-user/mips -D_GNU_SOURCE 
> -D_FILE_OFFSET_BITS=64 
> -D_LARGEFILE_SOURCE -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/fpu  -DHAS_AUDIO 
> -I/var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/slirp    -c -o 
> helper.o /var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/target-mips/helper.c
> /var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/target-arm/op_iwmmxt.c: In 
> function 'op_iwmmxt_movq_wRn_M0':
> /var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/target-arm/op_iwmmxt.c:176: error: 
> unable to find a register to spill in class 'GENERAL_REGS'
> /var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/target-arm/op_iwmmxt.c:176: error: 
> this 
> is the insn:
> (insn:HI 8 17 18 
> 2 /var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/target-arm/op_iwmmxt.c:175 (set 
> (mem/s/j:DI (plus:SI (plus:SI (mult:SI (reg/f:SI 59)
>                         (const_int 8 [0x8]))
>                     (reg/f:SI 58 [ env.2032 ]))
>                 (const_int 4 [0x4])) [0 <variable>.iwmmxt.regs S8 A32])
>         (reg:DI 60 [ <variable>.iwmmxt.val ])) 63 {*movdi_2} 
> (expr_list:REG_DEAD (reg:DI 60 [ <variable>.iwmmxt.val ])
>         (expr_list:REG_DEAD (reg/f:SI 59)
>             (expr_list:REG_DEAD (reg/f:SI 58 [ env.2032 ])
>                 (nil)))))
> /var/pisi/qemu-0.9.1-9/work/qemu-0.9.1/target-arm/op_iwmmxt.c:176: confused 
> by 
> earlier errors, bailing out

I do not get this error, either.

Ciao,
Dscho