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Subject: Re: demand_empty_rest_of_line and ignore_rest_of_line
From: Richard Earnshaw <Richard.Earnshaw@arm.com>
To: Andreas Schwab <schwab@suse.de>
Cc: hp@bitrange.com, binutils@sources.redhat.com, zack@codesourcery.com
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Date: Mon, 26 Apr 2004 14:34:00 -0000
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On Mon, 2004-04-26 at 15:19, Andreas Schwab wrote:
> Ian Lance Taylor <ian@wasabisystems.com> writes:
> 
> > Given that we are going to stick with a text file to communicate
> > between the compiler and the assembler, it makes sense to me to
> > eliminate parsing in the assembler as much as possible.  We have text
> > generated by one program and read by another program; parsing is
> > useless overhead.  That is the idea behind #NO_APP.
> 
> Currently (gcc 3.4.0) there are 5 targets that actually make use of
> #NO_APP: arm, cris, m68k, ns32k and vax (and m68k-linux didn't in gcc
> 3.0.x upto 3.3.x due to a side effect of including "elfos.h", which
> redefines ASM_FILE_START).

That's probably misleading.  The gcc might emit a directive for that,
but I'm almost certain the ARM assembler for one takes no notice of it.

R.