aarch64: SVE/NEON Bridging intrinsics

aarch64: SVE/NEON Bridging intrinsics

ACLE has added intrinsics to bridge between SVE and Neon.

The NEON_SVE Bridge adds intrinsics that allow conversions between NEON and
SVE vectors.

This patch adds support to GCC for the following 3 intrinsics:
svset_neonq, svget_neonq and svdup_neonq

gcc/ChangeLog:

	* config.gcc: Adds new header to config.
	* config/aarch64/aarch64-builtins.cc (enum aarch64_type_qualifiers):
	Moved to header file.
	(ENTRY): Likewise.
	(enum aarch64_simd_type): Likewise.
	(struct aarch64_simd_type_info): Remove static.
	(GTY): Likewise.
	* config/aarch64/aarch64-c.cc (aarch64_pragma_aarch64):
	Defines pragma for arm_neon_sve_bridge.h.
	* config/aarch64/aarch64-protos.h:
	Add handle_arm_neon_sve_bridge_h
	* config/aarch64/aarch64-sve-builtins-base.h: New intrinsics.
	* config/aarch64/aarch64-sve-builtins-base.cc
	(class svget_neonq_impl): New intrinsic implementation.
	(class svset_neonq_impl): Likewise.
	(class svdup_neonq_impl): Likewise.
	(NEON_SVE_BRIDGE_FUNCTION): New intrinsics.
	* config/aarch64/aarch64-sve-builtins-functions.h
	(NEON_SVE_BRIDGE_FUNCTION): Defines macro for NEON_SVE_BRIDGE
	functions.
	* config/aarch64/aarch64-sve-builtins-shapes.h: New shapes.
	* config/aarch64/aarch64-sve-builtins-shapes.cc
	(parse_element_type): Add NEON element types.
	(parse_type): Likewise.
	(struct get_neonq_def): Defines function shape for get_neonq.
	(struct set_neonq_def): Defines function shape for set_neonq.
	(struct dup_neonq_def): Defines function shape for dup_neonq.
	* config/aarch64/aarch64-sve-builtins.cc
	(DEF_SVE_TYPE_SUFFIX): Changed to be called through
	SVE_NEON macro.
	(DEF_SVE_NEON_TYPE_SUFFIX): Defines
	macro for NEON_SVE_BRIDGE type suffixes.
	(DEF_NEON_SVE_FUNCTION): Defines
	macro for NEON_SVE_BRIDGE functions.
	(function_resolver::infer_neon128_vector_type): Infers type suffix
	for overloaded functions.
	(handle_arm_neon_sve_bridge_h): Handles #pragma arm_neon_sve_bridge.h.
	* config/aarch64/aarch64-sve-builtins.def
	(DEF_SVE_NEON_TYPE_SUFFIX): Macro for handling neon_sve type suffixes.
	(bf16): Replace entry with neon-sve entry.
	(f16): Likewise.
	(f32): Likewise.
	(f64): Likewise.
	(s8): Likewise.
	(s16): Likewise.
	(s32): Likewise.
	(s64): Likewise.
	(u8): Likewise.
	(u16): Likewise.
	(u32): Likewise.
	(u64): Likewise.
	* config/aarch64/aarch64-sve-builtins.h
	(GCC_AARCH64_SVE_BUILTINS_H): Include aarch64-builtins.h.
	(ENTRY): Add aarch64_simd_type definiton.
	(enum aarch64_simd_type): Add neon information to type_suffix_info.
	(struct type_suffix_info): New function.
	* config/aarch64/aarch64-sve.md
	(@aarch64_sve_get_neonq_<mode>): New intrinsic insn for big endian.
	(@aarch64_sve_set_neonq_<mode>): Likewise.
	* config/aarch64/iterators.md: Add UNSPEC_SET_NEONQ.
	* config/aarch64/aarch64-builtins.h: New file.
	* config/aarch64/aarch64-neon-sve-bridge-builtins.def: New file.
	* config/aarch64/arm_neon_sve_bridge.h: New file.

gcc/testsuite/ChangeLog:

	* gcc.target/aarch64/sve/acle/asm/test_sve_acle.h: Add include
	arm_neon_sve_bridge header file
	* gcc.dg/torture/neon-sve-bridge.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_bf16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_f16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_f32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_f64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_s16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_s32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_s64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_s8.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_u16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_u32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_u64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/dup_neonq_u8.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_bf16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_f16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_f32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_f64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_s16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_s32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_s64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_s8.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_u16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_u32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_u64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/get_neonq_u8.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_bf16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_f16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_f32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_f64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_s16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_s32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_s64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_s8.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_u16.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_u32.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_u64.c: New test.
	* gcc.target/aarch64/sve/acle/asm/set_neonq_u8.c: New test.
	* gcc.target/aarch64/sve/acle/general-c/dup_neonq_1.c: New test.
	* gcc.target/aarch64/sve/acle/general-c/get_neonq_1.c: New test.
	* gcc.target/aarch64/sve/acle/general-c/set_neonq_1.c: New test.