On 3/24/07, Dorit Nuzman <[EMAIL PROTECTED]> wrote:
the problem is that for the case of BIT_FIELD_REF fold_ternary folds only
if operand 0 is VECTOR_CST. In our case it's a CONSTRUCTOR. I'm testing the
patch below (comments?).
This patch looks correct, by the way this was caused by my patch to
> On 3/14/07, Dorit Nuzman <[EMAIL PROTECTED]> wrote:
> >
> > Hi,
> >
> > We have a '{2,2}' expression (vector initializer) propagated by dom
into a
> > BIT_FIELD_REF:
> >
> > before (bug.c.105t.vrp2):
> >
> > vector long int vect_cst_.47;
> > vect_cst_.47_66 = {2, 2};
> > D.2103_
On Wed, 2007-03-14 at 15:06 +0100, Richard Guenther wrote:
> I think the BIT_FIELD_REF should be properly folded to a constant or
> the propagation not done.
Agreed. I'd lean towards folding the BIT_FIELD_REF to a constant, but
if that isn't easy I'd recommend avoiding the propagation.
Jeff
On 14 Mar 2007 07:22:10 -0700, Ian Lance Taylor <[EMAIL PROTECTED]> wrote:
Dorit Nuzman <[EMAIL PROTECTED]> writes:
> D.2103_79 = BIT_FIELD_REF <{2, 2}, 64, 0>;
>
>
> ...which causes he following ICE:
> "
>bug.c:8: error: invalid reference prefix
>{2, 2}
>bug.c:8: internal comp
Dorit Nuzman <[EMAIL PROTECTED]> writes:
> D.2103_79 = BIT_FIELD_REF <{2, 2}, 64, 0>;
>
>
> ...which causes he following ICE:
> "
>bug.c:8: error: invalid reference prefix
>{2, 2}
>bug.c:8: internal compiler error: verify_stmts failed
> "
Maybe fold-const.c needs to recognize
On 3/14/07, Dorit Nuzman <[EMAIL PROTECTED]> wrote:
Hi,
We have a '{2,2}' expression (vector initializer) propagated by dom into a
BIT_FIELD_REF:
before (bug.c.105t.vrp2):
vector long int vect_cst_.47;
vect_cst_.47_66 = {2, 2};
D.2103_79 = BIT_FIELD_REF ;
after (bug.c.106t.
Hi,
We have a '{2,2}' expression (vector initializer) propagated by dom into a
BIT_FIELD_REF:
before (bug.c.105t.vrp2):
vector long int vect_cst_.47;
vect_cst_.47_66 = {2, 2};
D.2103_79 = BIT_FIELD_REF ;
after (bug.c.106t.dom3):
"
Optimizing block #7
Optimi
