arm.c (neon_immediate_valid_for_shift): New function.

arm.c (neon_immediate_valid_for_shift): New function.

2011-06-22  Dmitry Plotnikov  <dplotnikov@ispras.ru>
	Dmitry Melnik  <dm@ispras.ru>

	* config/arm/arm.c (neon_immediate_valid_for_shift): New function.
	(neon_output_shift_immediate): Ditto.
	* config/arm/arm-protos.h (neon_immediate_valid_for_shift): New
	prototype.
	(neon_output_shift_immediate): Ditto.
	* config/arm/neon.md (vashl<mode>3): Modified constraint.
	(vashr<mode>3_imm): New insn pattern.
	(vlshr<mode>3_imm): Ditto.
	(vashr<mode>3): Modified constraint.
	(vlshr<mode>3): Ditto.
	* config/arm/predicates.md (imm_for_neon_lshift_operand): New
	predicate.
	(imm_for_neon_rshift_operand): Ditto.
	(imm_lshift_or_reg_neon): Ditto.
	(imm_rshift_or_reg_neon): Ditto.

	* optabs.c (init_optabs): Init optab codes for vashl, vashr, vlshr.

testsuite:

	* gcc.target/arm/neon-vshr-imm-1.c: New testcase.
	* gcc.target/arm/neon-vshl-imm-1.c: New testcase.
	* gcc.target/arm/neon-vlshr-imm-1.c: New testcase.

Co-Authored-By: Dmitry Melnik <dm@ispras.ru>
From-SVN: r175293