r129226 - in /trunk/gcc: ChangeLog dse.c

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Thu Oct 11 05:33:04 2007
New Revision: 129226

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=129226
Log:
	PR rtl-optimization/33638
	* dse.c (struct insn_info): Remove 'stack_read' field,
	add 'stack_pointer_based' field.
	(record_store): For a store with non-constant base, record
	whether it is stack pointer based.
	(scan_insn): For the call to a const function, remove stack
	pointer based stores from the list of local active stores.
	(scan_reads_nospill): Delete code dealing with const functions.


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