RFC: Using mode and code macros in *.md files

[Michael Matz]

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.