r132894 - in /trunk/gcc: ChangeLog fold-const.c...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Mar  5 10:32:07 2008
New Revision: 132894

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=132894
Log:
2008-03-05  Richard Guenther  <rguenther@suse.de>

	PR c++/35336
	* tree.def (BIT_FIELD_REF): Document that operands 1 and 2
	should be constants.
	* tree-cfg.c (verify_expr): Verify it.
	* fold-const.c (fold_truthop): Remove code generating
	BIT_FIELD_REFs of structure bases.
	(fold_binary): Likewise.
	(fold_ternary): Position and size of BIT_FIELD_REFs are
	always host integers.
	(make_bit_field_ref): Remove.
	(optimize_bit_field_compare): Remove.
	(all_ones_mask_p): Remove.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree.def