On Mon, Apr 04, 2016 at 11:16:48PM +0200, Zdenek Sojka wrote:
> gcc/Changelog:
>
> 2016-04-04 Zdenek Sojka
>
> PR tree-optimization/70509
> * tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int () instead
> of the vector base type for index.
>
>
> gcc/testsuite/Changelog:
>
Hello,
as discussed in the PR, when forwprop propagates VEC_PERM_EXPR through
BIT_FIELD_REF in simplify_bitfield_ref(), the new BIT_FIELD_REF has the index
of the same type as the vector base type. This patch changes the index to
bitsize_int().
Bootstrapped on x86_64-pc-linux-gnu, regression t