Re: [Qemu-devel] qemu-cvs-2006-12-9 compile error

[Thiemo Seufer]

Hwang YunSong(??????) wrote:
> gcc32 -Wall -O2 -g -fno-strict-aliasing -fomit-frame-pointer -I. -I.. 
> -I/usr/src/Haansoft/BUILD/qemu/target-mips -I/usr/src/Haansoft/BUILD/qemu 
> -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE 
> -I/usr/src/Haansoft/BUILD/qemu/fpu -I/usr/src/Haansoft/BUILD/qemu/slirp -c -o 
> op_helper.o /usr/src/Haansoft/BUILD/qemu/target-mips/op_helper.c
> /usr/src/Haansoft/BUILD/qemu/target-mips/op_helper.c: In function 
> `invalidate_tlb':
> /usr/src/Haansoft/BUILD/qemu/target-mips/op_helper.c:305: unable to find a 
> register to spill in class `SIREG'
> /usr/src/Haansoft/BUILD/qemu/target-mips/op_helper.c:305: this is the insn:
> (insn 83 80 84 (parallel[
>             (set (reg:SI 2 ecx [85])
>                 (const_int 0 [0x0]))
>             (set (reg/f:SI 0 eax [82])
>                 (plus:SI (ashift:SI (reg:SI 2 ecx [84])
>                         (const_int 2 [0x2]))
>                     (reg/f:SI 0 eax [82])))
>             (set (reg/f:SI 83)
>                 (plus:SI (ashift:SI (reg:SI 2 ecx [84])
>                         (const_int 2 [0x2]))
>                     (reg/v/f:SI 60)))
>             (set (mem/s/j:BLK (reg/f:SI 0 eax [82]) [0 <variable>.tlb S20 
> A32])
>                 (mem/s:BLK (reg/v/f:SI 60) [0 S24 A32]))
>             (use (reg:SI 2 ecx [84]))
>             (use (reg:SI 19 dirflag))
>         ] ) 603 {*rep_movsi} (insn_list 75 (insn_list 78 (insn_list 80 
> (nil))))
>     (expr_list:REG_DEAD (reg:SI 19 dirflag)
>         (expr_list:REG_DEAD (reg/v/f:SI 60)
>             (expr_list:REG_DEAD (reg:SI 2 ecx [84])
>                 (expr_list:REG_UNUSED (reg:SI 2 ecx [85])
>                     (expr_list:REG_UNUSED (reg/f:SI 0 eax [82])
>                         (expr_list:REG_UNUSED (reg/f:SI 83)
>                             (nil))))))))
> /usr/src/Haansoft/BUILD/qemu/target-mips/op_helper.c:305: confused by earlier 
> errors, bailing out
> 
> 
> I address@hidden qemu]# gcc32 -v
> Reading specs from /usr/lib/gcc-lib/i386-Haansoft-linux/3.2.3/specs
> Configured with: ../configure --prefix=/usr --mandir=/usr/share/man 
> --infodir=/usr/share/info --enable-shared --enable-threads=posix 
> --disable-checking --with-system-zlib --enable-__cxa_atexit 
> --enable-languages=c,c++,f77 --disable-libgcj --host=i386-Haansoft-linux
> Thread model: posix
> gcc version 3.2.3 (Haansoft Linux 3.2.3)

AFAICS there's nothing special in invalidate_tlb, and it works fo me
with gcc 3.4.6. I figure your gcc version has a bug which was fixed
in newer versions.


Thiemo