recent GAS and l4/kernel/fiasco/src/entry.S

[OKUJI Yoshinori]

From: suzukis at file.phys.tohoku.ac.jp
Subject: recent GAS and l4/kernel/fiasco/src/entry.S
Date: Thu, 22 Jul 1999 14:48:38 +0900

> 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".

----------------------------------------------------------------------
OKUJI Yoshinori  <okuji at kuicr.kyoto-u.ac.jp>           ^o-o^
http://duff.kuicr.kyoto-u.ac.jp/~okuji (in English)     m /