Add cond_add/sub/mul for vector integer modes.

gcc/ChangeLog:

	* config/i386/sse.md (cond_<insn><mode>): New expander.
	(cond_mul<mode>): Ditto.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/cond_op_addsubmul_d-1.c: New test.
	* gcc.target/i386/cond_op_addsubmul_d-2.c: New test.
	* gcc.target/i386/cond_op_addsubmul_q-1.c: New test.
	* gcc.target/i386/cond_op_addsubmul_q-2.c: New test.
	* gcc.target/i386/cond_op_addsubmul_w-1.c: New test.
	* gcc.target/i386/cond_op_addsubmul_w-2.c: New test.
7 files changed