[ARM Refactor Builtins: 1/8] Remove arm_neon.h's "Magic Words"

[ARM Refactor Builtins: 1/8] Remove arm_neon.h's "Magic Words"

gcc/testsuite/

	* gcc.target/arm/pr51968.c (foo): Do not try to pass "Magic Word".

gcc/

	* config/arm/arm.c (arm_expand_neon_builtin): Remove "Magic Word"
	parameter, rearrange switch statement accordingly.
	(arm_evpc_neon_vrev): Remove "Magic Word".
	* config/arm/unspecs.md (unspec): Split many UNSPECs to
	rounding, or signed/unsigned variants.
	* config/arm/neon.md: Remove "Magic Word" code.
	* config/arm/iterators.md (VPF): New.
	(VADDL): Likewise.
	(VADDW): Likewise.
	(VHADD): Likewise.
	(VQADD): Likewise.
	(VADDHN): Likewise.
	(VMLAL): Likewise.
	(VMLAL_LANE): Likewise.
	(VLMSL): Likewise.
	(VMLSL_LANE): Likewise.
	(VQDMULH): Likewise,
	(VQDMULH_LANE): Likewise.
	(VMULL): Likewise.
	(VMULL_LANE): Likewise.
	(VSUBL): Likewise.
	(VSUBW): Likewise.
	(VHSUB): Likewise.
	(VQSUB): Likewise.
	(VSUBHN): Likewise.
	(VABD): Likewise.
	(VABDL): Likewise.
	(VMAXMIN): Likewise.
	(VMAXMINF): Likewise.
	(VPADDL): Likewise.
	(VPADAL): Likewise.
	(VPMAXMIN): Likewise.
	(VPMAXMINF): Likewise.
	(VCVT_US): Likewise.
	(VCVT_US_N): Likewise.
	(VQMOVN): Likewise.
	(VMOVL): Likewise.
	(VSHL): Likewise.
	(VQSHL): Likewise.
	(VSHR_N): Likewise.
	(VSHRN_N): Likewise.
	(VQSHRN_N): Likewise.
	(VQSHRUN_N): Likewise.
	(VQSHL_N): Likewise.
	(VSHLL_N): Likewise.
	(VSRA_N): Likewise.
	(pf): Likewise.
	(sup): Likewise.
	(r): Liekwise.
	(maxmin): Likewise.
	(shift_op): Likewise.
	* config/arm/arm_neon_builtins.def: Split many patterns.
	* config/arm/arm_neon.h (vaddl_s8): Remove "Magic Word" code.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217693 138bc75d-0d04-0410-961f-82ee72b054a4