2012-12-21 Vladimir Makarov <vmakarov@redhat.com>

2012-12-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55775
	* lra-assigns.c (improve_inheritance): Do nothing after
	LRA_MAX_INHERITANCE_PASSES pass.
	* lra-constraints.c (MAX_CONSTRAINT_ITERATION_NUMBER): Rename to
	LRA_MAX_CONSTRAINT_ITERATION_NUMBER.  Move to lra-int.h.
	(MAX_INHERITANCE_PASSES): Rename to LRA_MAX_INHERITANCE_PASSES.
	Move to lra-int.h.
	* lra-int.h (LRA_MAX_CONSTRAINT_ITERATION_NUMBER): Move from
	lra-constraints.c.
	(LRA_MAX_INHERITANCE_PASSES): Ditto.

2012-12-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/55775
	* gcc.target/i386/pr55775.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@194680 138bc75d-0d04-0410-961f-82ee72b054a4