recent GAS and l4/kernel/fiasco/src/entry.S
Michael Hohmuth
hohmuth at innocent.com
Fri Jul 23 02:31:26 CEST 1999
OKUJI Yoshinori <okuji at kuicr.kyoto-u.ac.jp> writes:
> From: suzukis at file.phys.tohoku.ac.jp
> > If I change the register name from "%dl" to "%edx" in the entry.S
> > (leaving the opcode "bt" as it is), the recent GAS could assemble it.
> > Anybody found such behaviour? My GAS is broken?
>
> The code "bt $2, %dl" is invalid. The bit test call only accepts
> 16bits and 32bits registers, so that should be "btw $2, %dx" or "btl
> %2, %edx".
Thanks; I've fixed this in the CVS version now.
Michael
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