r122221 - in /branches/dataflow-branch/gcc: Cha...

[bonzini@gcc.gnu.org]

Author: bonzini
Date: Thu Feb 22 08:29:12 2007
New Revision: 122221

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=122221
Log:
2007-02-22  Paolo Bonzini <bonzini@gnu.org>

	* combine.c (set_nonzero_bits_and_sign_copies, reg_nonzero_bits_for_combine, 
	reg_num_sign_bit_copies_for_combine, get_last_value): Look at DF_LR to
	check if a register is uninitialized.

Modified:
    branches/dataflow-branch/gcc/ChangeLog.dataflow
    branches/dataflow-branch/gcc/combine.c