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Re: rejecting particular patterns in combine.c
- To: Marco <marco dot marcello at tin dot it>
- Subject: Re: rejecting particular patterns in combine.c
- From: Alexandre Oliva <aoliva at redhat dot com>
- Date: 08 Jun 2001 03:44:38 -0300
- Cc: gcc at gcc dot gnu dot org
- Organization: GCC Team, Red Hat
- References: <3B1AC9EB.27EE62F2@tin.it>
On Jun 3, 2001, Marco <marco.marcello@tin.it> wrote:
> i have to make combine.c (gcc version is 2.95.3) reject recognition of
> some particular patterns (those with attribute "diee" set to "yes") if
> flag is true.
> is it right to test for it in function try_combine, more precisely:
Well, it may be right for your particular port, but something like
this is never going to be acceptable in the GCC tree, because
target-specific tests don't belong in common passes of the compiler.
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
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