r113312 - in /branches/csl/coldfire-4_1: Change...

[rsandifo@gcc.gnu.org]

Author: rsandifo
Date: Thu Apr 27 16:41:51 2006
New Revision: 113312

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=113312
Log:
	PR rtl-optimization/25514
	* combine.c (replaced_rhs_insn): New variable.
	(combine_instructions): Set replaced_rhs_insn when trying to replace
	a SET_SRC with a REG_EQUAL note.
	(distribute_notes): Use replaced_rhs_insn when determining the live
	range of a REG_DEAD register.

gcc/testsute
	* gcc.c-torture/compile/pr25514.c: New test.

Modified:
    branches/csl/coldfire-4_1/ChangeLog.csl
    branches/csl/coldfire-4_1/gcc/combine.c