[PATCH] Add PAREN_EXPR

[Diego Novillo]

On 2/19/08 12:43 PM, Richard Guenther wrote:

> 	* 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.
> 	* options.c (gfc_init_options): Enable flag_associative_math if
> 	it isn't disabled automatically.
> 
> 	* gfortran.dg/reassoc_1.f90: New testcase.
> 	* gfortran.dg/reassoc_2.f90: Likewise.

OK.

Diego.