2012-11-28 Richard Biener <rguenther@suse.de>
PR c/35634
* gimple.h (gimplify_self_mod_expr): Declare.
* gimplify.c (gimplify_self_mod_expr): Export. Take a different
type for performing the arithmetic in.
(gimplify_expr): Adjust.
* tree-vect-loop-manip.c (vect_can_advance_ivs_p): Strip
sign conversions we can re-apply after adjusting the IV.
c-family/
* c-gimplify.c (c_gimplify_expr): Gimplify self-modify expressions
here and use a type with proper overflow behavior for types that would
need to be promoted for the arithmetic.
* gcc.dg/torture/pr35634.c: New testcase.
* g++.dg/torture/pr35634.C: Likewise.
* gcc.dg/vect/pr18536.c: Mark worker function noinline.
From-SVN: r193882
