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Re: RFA: Tighten checking for 'X' constraints
- From: Eric Botcazou <ebotcazou at adacore dot com>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org, Robert Suchanek <Robert dot Suchanek at imgtec dot com>, rsandifo at linux dot vnet dot ibm dot com, Jeff Law <law at redhat dot com>
- Date: Wed, 16 Apr 2014 18:00:28 +0200
- Subject: Re: RFA: Tighten checking for 'X' constraints
- Authentication-results: sourceware.org; auth=none
- References: <87sipejow3 dot fsf at talisman dot default> <87tx9to1ah dot fsf at sandifor-thinkpad dot stglab dot manchester dot uk dot ibm dot com> <20140416133717 dot GI1817 at tucnak dot redhat dot com>
> Anyway, others can have different opinion on what "X" should mean,
> CCing Jeff and Eric.
I personally think that we should not change it and adjust LRA instead to
error out instead of ICEing (even if this means erroring out in a few more
cases with LRA than with reload for now, e.g. gcc.dg/torture/asm-subreg-1.c
which looks somewhat dubious to me).
--
Eric Botcazou