libstdc++/5198: 3.0.3 linux x m68k build fail: invalid opcodes in c++locale.cc

[Craig Rodrigues]

The following reply was made to PR libstdc++/5198; it has been noted by GNATS.

From: Craig Rodrigues <rodrigc@mediaone.net>
To: "Aaron J. Grier" <aaron@frye.com>
Cc: Don Lindsay <lindsayd@cisco.com>, rodrigc@gcc.gnu.org,
   gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org,
   gcc-gnats@gcc.gnu.org
Subject: Re: libstdc++/5198: 3.0.3 linux x m68k build fail: invalid opcodes in c++locale.cc
Date: Fri, 4 Jan 2002 17:43:39 -0500

 On Fri, Jan 04, 2002 at 02:34:11PM -0800, Aaron J. Grier wrote:
 > the fault is with libstdc++-v3, specifically
 > 
 > libstdc++-v3/config/cpu/m68k/bits/atomicity.h
 > 
 > which includes "cas" as an inlined assembly instruction in a supposedly
 > generic m68k include file.
 > 
 > I've been able to identify at least three cases that need to be covered
 > in atomicity.h:
 > 
 > 68020/30/40: use current "cas"
 > mcpu32 and v4 coldfire: "tas" on a static local variable
 > 68000/010, v2/3 coldfire: disable interrupts
 > 
 > I'm preparing a quick-and-dirty patch for people to go over, but if
 > someone beats me to it, more power to them.  :)
 
 If you can submit a good patch for atomicity.h, please do.
 You can look at the proposed patch from Peter Barada here:
 http://gcc.gnu.org/ml/gcc/2002-01/msg00328.html
 
 That might give you an idea of what macros to use.
 
 Thanks.
 -- 
 Craig Rodrigues        
 http://www.gis.net/~craigr    
 rodrigc@mediaone.net