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
st_inc mem in parallel rtx 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);

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

post_inc mem in parallel rtx

2013-11-22 Thread BELBACHIR Selim
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 that the crash occurred during 207r.dse2 pass.