Re: post_inc mem in parallel rtx

2013-11-22 Thread Jeff Law
On 11/22/13 10:03, BELBACHIR Selim wrote: Ok so I should avoid the auto_inc alternatives in PARALLEL. It's certainly a quite rare RTL and I doubt the effort worth it. That'd be my inclination as well. I'm not sure what chip you're working on, but those kind of multiple-output instructions ten

RE: post_inc mem in parallel rtx

2013-11-22 Thread BELBACHIR Selim
Ok so I should avoid the auto_inc alternatives in PARALLEL. It's certainly a quite rare RTL and I doubt the effort worth it. -Message d'origine- De : Jeff Law [mailto:l...@redhat.com] Envoyé : vendredi 22 novembre 2013 17:55 À : BELBACHIR Selim; gcc@gcc.gnu.org Objet : Re: po

Re: post_inc mem in parallel rtx

2013-11-22 Thread Jeff Law
On 11/22/13 09:43, BELBACHIR Selim wrote: Hi, I encountered a bug in cselib.c:2360 using gnat7.1.2 (gcc4.7.3) /* The register should have been invalidated. */ gcc_assert (REG_VALUES (dreg)->elt == 0);<<== assert(false) I investigated the dump and found th