2008-02-21 Richard Guenther <rguenther@suse.de>
* tree.def (PAREN_EXPR): New tree code.
* fold-const.c (fold_unary): Remove PAREN_EXPR around constants
and PAREN_EXPR.
* tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
* expr.c (expand_expr_real_1): Likewise.
* tree-inline.c (estimate_num_insns_1): Likewise.
* tree-complex.c (expand_complex_move): Likewise.
* tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
as plain x.
* trans-expr.c (gfc_conv_expr_op): Expand INTRINSIC_PARENTHESES
as unary PAREN_EXPR for real and complex typed expressions.
(gfc_conv_unary_op): Fold the built tree.
* gfortran.dg/reassoc_1.f90: New testcase.
* gfortran.dg/reassoc_2.f90: Likewise.
* gfortran.dg/reassoc_3.f90: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132515
138bc75d-0d04-0410-961f-
82ee72b054a4