i386.md (*add<mode>_1): Remove alternative 2.

	* config/i386/i386.md (*add<mode>_1): Remove alternative 2.
	<TYPE_LEA>: Split instruction.
	<default>: Remove alternative 2 handling.
	(*addsi_1_zext) <TYPE_LEA>: Split instruction.
	(add lea splitter): Generate SImode lea for mode sizes <= SImode.
	(add_zext lea splitter): Use ix86_lea_for_add_ok in insn predicate.

	(*movsi_1) <TYPE_LEA>: Use %a modifier to output operand 1.
	(ashift_zext lea splitter): Use DImode for multiplication.

	* config/i386/i386.c (ix86_expand_epilogue): Do not use ix86_gen_add
	to generate addition.

From-SVN: r160394