On March 26, 2015 5:50:13 PM GMT+01:00, Jakub Jelinek <ja...@redhat.com> wrote:
>Hi!
>
>This patch fixes
>FAIL: 26_numerics/complex/50880.cc execution test
>on powerpc64le-linux (and presumably arm*-linux-gnueabi) by basically
>reverting the r220390 change for the case when ref->type is not
>INTEGRAL_TYPE_P - otherwise TYPE_PRECISION on say complex type or
>vector type means very different things than the patch expects.
>
>Bootstrapped/regtested on powercp64le-linux, ok for trunk?
OK.
Thanks,
Richard.
>2015-03-26 Jakub Jelinek <ja...@redhat.com>
>
> PR tree-optimization/65551
> * tree-ssa-sccvn.c (fully_constant_vn_reference_p): Use
> TYPE_PRECISION only for INTEGRAL_TYPE_P types.
>
>--- gcc/tree-ssa-sccvn.c.jj 2015-02-10 22:58:23.000000000 +0100
>+++ gcc/tree-ssa-sccvn.c 2015-03-26 14:41:44.078248811 +0100
>@@ -1352,7 +1352,11 @@ fully_constant_vn_reference_p (vn_refere
> || TYPE_PRECISION (ref->type) % BITS_PER_UNIT == 0))
> {
> HOST_WIDE_INT off = 0;
>- HOST_WIDE_INT size = TYPE_PRECISION (ref->type);
>+ HOST_WIDE_INT size;
>+ if (INTEGRAL_TYPE_P (ref->type))
>+ size = TYPE_PRECISION (ref->type);
>+ else
>+ size = tree_to_shwi (TYPE_SIZE (ref->type));
> if (size % BITS_PER_UNIT != 0
> || size > MAX_BITSIZE_MODE_ANY_MODE)
> return NULL_TREE;
>
> Jakub
