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[Bug gas/17421] Internal error in output_insn during kernel build


From: mikpelinux at gmail dot com
Subject: [Bug gas/17421] Internal error in output_insn during kernel build
Date: Sun, 21 Sep 2014 12:43:14 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=17421

Mikael Pettersson <mikpelinux at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mikpelinux at gmail dot com

--- Comment #4 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Created attachment 7801
  --> https://sourceware.org/bugzilla/attachment.cgi?id=7801&action=edit
reduced test case

Seems like .code16gcc and the "andn" instruction don't work together.

> cat bz17421.s
        .code16gcc
        .text
        andn    req_flags(,%edx,4), %ecx, %ecx
> as bz17421.s
bz17421.s: Assembler messages:
bz17421.s:3: Internal error, aborting at config/tc-i386.c line 6340 in
output_insn
Please report this bug.
> as --version
GNU assembler version 2.23.52.0.1-9.fc19 20130226
Copyright 2013 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or later.
This program has absolutely no warranty.
This assembler was configured for a target of `x86_64-redhat-linux'.

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