r176040 - in /trunk/gcc: ChangeLog optabs.c rec...

[bernds@gcc.gnu.org]

Author: bernds
Date: Fri Jul  8 13:03:38 2011
New Revision: 176040

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176040
Log:
	* optabs.c (expand_binop): Tighten conditions for doubleword
	expansions.
	(widen_bswap): Assert that mode bitsize and precision are the
	same.
	* stor-layout.c (get_best_mode): Skip modes that have lower
	precision than bitsize.
	* recog.c (simplify_while_replacing): Assert that bitsize and
	precision are the same.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/optabs.c
    trunk/gcc/recog.c
    trunk/gcc/stor-layout.c