Opteron: Error: suffix or operands invalid for `bsf'

Felix E. Klee felix.klee.gmp@gmx.net
Sun, 27 Jul 2003 12:56:18 +0200


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Thanks to all those who replied. Today I tried out compiling older versions 
and found out that 4.0 and 4.0.1 compile fine. Problems start with version 
4.1 which, BTW, causes a different error than 4.1.2 when beeing build:
    gcc -DHAVE_CONFIG_H -I. -I. -I.. -D__GMP_WITHIN_GMP -I..
    -DOPERATION_dive_1 -g -O2 -c dive_1.c -o dive_1.o
    /tmp/ccr7XqMK.s: Assembler messages:
    /tmp/ccr7XqMK.s:41: Error: Incorrect register `%esi' used with `q'
    suffix

So, I guess I'll stick with 4.0.1 since 
1. I cannot update gcc,
2. the sysadmins are currently out of reach,
3. debugging the problem probably won't help much because a compiler update
   likely fixes things,
4. hopefully, 4.0.1 isn't much slower than 4.1.2 for simple floating point
   operations.

Anyways, I attached the dive_1.s (gzipped) file for those who are 
interested.

Felix

-- 
To contact me in private don't reply but send mail to
    felix DOT klee AT inka DOT de

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