r192890 - in /trunk/gcc: ChangeLog function.c i...

[steven@gcc.gnu.org]

Author: steven
Date: Sun Oct 28 11:52:11 2012
New Revision: 192890

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192890
Log:
	PR rtl-optimization/38711
	* ira.c (ira): Remove DF_LIVE if the problem is in the stack.
	(do_reload): Add it back at the end for -O2 and higher.

	* function.c (thread_prologue_and_epilogue_insns): Use
	REG_SET_TO_HARD_REG_SET instead of CLEAR_HARD_REG_SET and
	reg_set_to_hard_reg_set.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/function.c
    trunk/gcc/ira.c