arm.c (neon_vdup_constant): Expand into canonical RTL instead of an unspec.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/
	* config/arm/arm.c (neon_vdup_constant): Expand into canonical RTL
	instead of an unspec.
	(neon_expand_vector_init): Likewise.
	* config/arm/neon.md (UNSPEC_VCOMBINE): Delete.
	(UNSPEC_VDUP_LANE): Delete.
	(UNSPEC VDUP_N): Delete.
	(UNSPEC_VGET_HIGH): Delete.
	(UNSPEC_VGET_LANE): Delete.
	(UNSPEC_VGET_LOW): Delete.
	(UNSPEC_VMVN): Delete.
	(UNSPEC_VSET_LANE): Delete.
	(V_double_vector_mode): New.
	(vec_set<mode>_internal): Make code emitted match that for the
	corresponding intrinsics.
	(vec_setv2di_internal): Likewise.
	(neon_vget_lanedi): Rewrite to expand into emit_move_insn.
	(neon_vget_lanev2di): Rewrite to expand into vec_extractv2di.
	(neon_vset_lane<mode>): Combine double and quad patterns and
	expand into vec_set<mode>_internal instead of UNSPEC_VSET_LANE.
	(neon_vset_lanedi): Rewrite to expand into emit_move_insn.
	(neon_vdup_n<mode>): Rewrite RTL without unspec.
	(neon_vdup_ndi): Rewrite as define_expand and use emit_move_insn.
	(neon_vdup_nv2di): Rewrite RTL without unspec and merge with
	with neon_vdup_lanev2di, adjusting the pattern from the latter
	to be predicable for consistency.
	(neon_vdup_lane<mode>_internal): New.
	(neon_vdup_lane<mode>): Turn into a define_expand and rewrite
	to avoid using an unspec.
	(neon_vdup_lanedi): Rewrite RTL pattern to avoid unspec.
	(neon_vdup_lanev2di): Turn into a define_expand.
	(neon_vcombine): Rewrite pattern to eliminate UNPSEC_VCOMBINE.
	(neon_vget_high<mode>): Replace with....
	(neon_vget_highv16qi): New pattern using canonical RTL.
	(neon_vget_highv8hi): Likewise.
	(neon_vget_highv4si): Likewise.
	(neon_vget_highv4sf): Likewise.
	(neon_vget_highv2di): Likewise.
	(neon_vget_low<mode>): Replace with....
	(neon_vget_lowv16qi): New pattern using canonical RTL.
	(neon_vget_lowv8hi): Likewise.
	(neon_vget_lowv4si): Likewise.
	(neon_vget_lowv4sf): Likewise.
	(neon_vget_lowv2di): Likewise.

	* config/arm/neon.ml (Vget_lane): Add No_op attribute to suppress
	test for this emitting vmov.
	(Vset_lane): Likewise.
	(Vdup_n): Likewise.
	(Vmov_n): Likewise.

	* doc/arm-neon-intrinsics.texi: Regenerated.

	gcc/testsuite/
	* gcc.target/arm/neon/vdup_ns64.c: Regenerated.
	* gcc.target/arm/neon/vdup_nu64.c: Regenerated.
	* gcc.target/arm/neon/vdupQ_ns64.c: Regenerated.
	* gcc.target/arm/neon/vdupQ_nu64.c: Regenerated.
	* gcc.target/arm/neon/vmov_ns64.c: Regenerated.
	* gcc.target/arm/neon/vmov_nu64.c: Regenerated.
	* gcc.target/arm/neon/vmovQ_ns64.c: Regenerated.
	* gcc.target/arm/neon/vmovQ_nu64.c: Regenerated.
	* gcc.target/arm/neon/vget_lanes64.c: Regenerated.
	* gcc.target/arm/neon/vget_laneu64.c: Regenerated.
	* gcc.target/arm/neon/vset_lanes64.c: Regenerated.
	* gcc.target/arm/neon/vset_laneu64.c: Regenerated.
	* gcc.target/arm/neon-vdup_ns64.c: New.
	* gcc.target/arm/neon-vdup_nu64.c: New.
	* gcc.target/arm/neon-vdupQ_ns64.c: New.
	* gcc.target/arm/neon-vdupQ_nu64.c: New.
	* gcc.target/arm/neon-vdupQ_lanes64.c: New.
	* gcc.target/arm/neon-vdupQ_laneu64.c: New.
	* gcc.target/arm/neon-vmov_ns64.c: New.
	* gcc.target/arm/neon-vmov_nu64.c: New.
	* gcc.target/arm/neon-vmovQ_ns64.c: New.
	* gcc.target/arm/neon-vmovQ_nu64.c: New.
	* gcc.target/arm/neon-vget_lanes64.c: New.
	* gcc.target/arm/neon-vget_laneu64.c: New.
	* gcc.target/arm/neon-vset_lanes64.c: New.
	* gcc.target/arm/neon-vset_laneu64.c: New.

From-SVN: r161720