This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: RFC: Using mode and code macros in *.md files
- From: Michael Matz <matz at suse dot de>
- To: James E Wilson <wilson at specifixinc dot com>
- Cc: Richard Sandiford <rsandifo at redhat dot com>, gcc at gcc dot gnu dot org
- Date: Mon, 9 Aug 2004 09:40:22 +0200 (CEST)
- Subject: Re: RFC: Using mode and code macros in *.md files
- References: <87vffux323.fsf@redhat.com> <411574A9.4000704@specifixinc.com>
Hi,
On Sat, 7 Aug 2004, James E Wilson wrote:
> My first question would be how this affects debugging gcc. Being able to
> match rtl insns to the md pattern for them is important. These macros obscure
> the connection.
...
> If I have an insn that hasn't been recognized, then I have a similar but
> slightly different problem.
Perhaps such problems could be solved by emitting a "preprocessed" .md
file (where every such macro is explicitely expanded) when gcc is not
configured with --disable-checking, or with a special option or even in
every case?
Ciao,
Michael.