gcc/
	* config/bfin/bfin.c (bfin_expand_builtin,
	case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
	operands.
	From Jie Zhang <jie.zhang@analog.com>:
	* config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
	before use in two places.
	* config/bfin/bfin.md (AREG): Define mode iterator.
	(reload_in, reload_out): Use mode iterator AREG.

gcc/testsuite/
	* gcc.target/bfin/20090914-1.c: New test.
	* gcc.target/bfin/20090914-2.c: New test.
	* gcc.target/bfin/20090914-3.c: New test.

From-SVN: r151687