r181446 - in /trunk/gcc: ChangeLog cprop.c

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Thu Nov 17 17:11:16 2011
New Revision: 181446

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181446
Log:
	PR rtl-optimization/50663
	* cprop.c (implicit_set_indexes): New global variable.
	(insert_set_in_table): Add additional parameter and record implicit
	set information.
	(hash_scan_set): Add additional parameter and pass it to above.
	(hash_scan_insn): Pass false to hash_scan_set.
	(compute_hash_table_work): Pass true to hash_scan_set.
	(compute_cprop_data): Add implicit set to AVIN of block which the
	implicit set is recorded for.
	(one_cprop_pass): Handle implicit_set_indexes array.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cprop.c