r169231 - in /trunk/gcc: ChangeLog ira-costs.c

[law@gcc.gnu.org]

Author: law
Date: Tue Jan 25 14:10:46 2011
New Revision: 169231

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169231
Log:
	PR rtl-optimization/37273
	* ira-costs.c (scan_one_insn): Detect constants living in memory and
	handle them like argument loads from stack slots.  Do not double
	count memory for memory constants and argument loads from stack slots.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ira-costs.c