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[Qemu-devel] Compilation error on Ubuntu 6.06 and 7.10 with gcc-3.4


From: Brad Campbell
Subject: [Qemu-devel] Compilation error on Ubuntu 6.06 and 7.10 with gcc-3.4
Date: Sun, 27 Jan 2008 21:18:44 +0400
User-agent: Thunderbird 1.5.0.14pre (X11/20071022)

G'day all,

Getting this on my two development machines with up-to-date CVS as of now..

I did a complete directory removal and fresh CVS checkout just to be sure.

Configured with..

./configure --target-list=i386-softmmu --enable-alsa


gcc-3.4 -Wall -O2 -g -fno-strict-aliasing -fomit-frame-pointer -I. -I.. -I/tracks/src/src/qemu/target-i386 -I/tracks/src/src/qemu -MMD -MP -DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/tracks/src/src/qemu/fpu -DHAS_AUDIO -DHAS_AUDIO_CHOICE -I/tracks/src/src/qemu/slirp -c -o cpu-exec.o /tracks/src/src/qemu/cpu-exec.c
/tracks/src/src/qemu/cpu-exec.c: In function `cmp1':
/tracks/src/src/qemu/cpu-exec.c:143: error: unable to find a register to spill 
in class `DIREG'
/tracks/src/src/qemu/cpu-exec.c:143: error: this is the insn:
(insn:HI 15 62 16 0 /tracks/src/src/qemu/cpu-exec.c:140 (parallel [
            (set (reg:SI 2 cx [64])
                (unspec:SI [
                        (mem:BLK (reg/f:SI 66 [ s2 ]) [0 A8])
                        (reg:QI 0 ax [68])
                        (const_int 1 [0x1])
                        (reg:SI 2 cx [67])
                    ] 20))
            (use (reg:SI 19 dirflag))
            (clobber (reg/f:SI 66 [ s2 ]))
            (clobber (reg:CC 17 flags))
        ]) 632 {*strlenqi_1} (insn_list 11 (insn_list 12 (insn_list 13 
(insn_list 14 (nil)))))
    (expr_list:REG_DEAD (reg:SI 19 dirflag)
        (expr_list:REG_DEAD (reg:SI 2 cx [67])
            (expr_list:REG_DEAD (reg:QI 0 ax [68])
                (expr_list:REG_DEAD (reg/f:SI 66 [ s2 ])
                    (expr_list:REG_UNUSED (reg:CC 17 flags)
                        (expr_list:REG_UNUSED (reg/f:SI 66 [ s2 ])
                            (expr_list:REG_EQUAL (unspec:SI [
                                        (mem:BLK (reg/f:SI 66 [ s2 ]) [0 A8])
                                        (reg:QI 0 ax [68])
                                        (const_int 1 [0x1])
                                        (reg:SI 2 cx [67])
                                    ] 20)
                                (nil)))))))))
/tracks/src/src/qemu/cpu-exec.c:143: confused by earlier errors, bailing out
make[1]: *** [cpu-exec.o] Error 1
make[1]: Leaving directory `/tracks/src/src/qemu/i386-softmmu'
make: *** [subdir-i386-softmmu] Error 2

address@hidden:/tracks/src/src/qemu$ gcc-3.4 --version
gcc-3.4 (GCC) 3.4.6 (Ubuntu 3.4.6-1ubuntu2)
Copyright (C) 2006 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Brad
--
"Human beings, who are almost unique in having the ability
to learn from the experience of others, are also remarkable
for their apparent disinclination to do so." -- Douglas Adams




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