re PR target/53961 (internal compiler error: in memory_address_length, at config...

re PR target/53961 (internal compiler error: in memory_address_length, at config/i386/i386.c:23341)

	PR target/53961
	* config/i386/i386.md (*lea): New insn pattern.
	(*lea_1): Remove.
	(*lea<mode>_2): Ditto.
	(*lea_{3,4,5,6}_zext): Ditto.
	* config/i386/constraints.md (j): Remove address constraint.
	* config/i386/i386.c (ix86_decompose_address): Allow SImode subreg
	of an address.
	(ix86_print_operand_address): Handle SImode subreg of an address.
	(ix86_avoid_lea_for_add): Reject zero-extended addresses for now.

From-SVN: r189756