gcc/ChangeLog:
 	PR target/60825
	* config/aarch64/aarch64-builtins.c (aarch64_types_unop_qualifiers):
	Ignore third operand if present by marking qualifier_internal.

	* config/aarch64/aarch64-simd-builtins.def (abs): Comment.

	* config/aarch64/arm_neon.h (int64x1_t, uint64x1_t): Typedef to GCC
	vector extension.
	(aarch64_vget_lane_s64, aarch64_vdup_lane_s64,
	arch64_vdupq_lane_s64, aarch64_vdupq_lane_u64): Remove macro.
	(vqadd_s64, vqadd_u64, vqsub_s64, vqsub_u64, vqneg_s64, vqabs_s64,
	vcreate_s64, vcreate_u64, vreinterpret_s64_f64, vreinterpret_u64_f64,
	vcombine_u64, vbsl_s64, vbsl_u64, vceq_s64, vceq_u64, vceqz_s64,
	vceqz_u64, vcge_s64, vcge_u64, vcgez_s64, vcgt_s64, vcgt_u64,
	vcgtz_s64, vcle_s64, vcle_u64, vclez_s64, vclt_s64, vclt_u64,
	vcltz_s64, vdup_n_s64, vdup_n_u64, vld1_s64, vld1_u64, vmov_n_s64,
	vmov_n_u64, vqdmlals_lane_s32, vqdmlsls_lane_s32,
	vqdmulls_lane_s32, vqrshl_s64, vqrshl_u64, vqrshl_u64, vqshl_s64,
	vqshl_u64, vqshl_n_s64, vqshl_n_u64, vqshl_n_s64, vqshl_n_u64,
	vqshlu_n_s64, vrshl_s64, vrshl_u64, vrshr_n_s64, vrshr_n_u64,
	vrsra_n_s64, vrsra_n_u64, vshl_n_s64, vshl_n_u64, vshl_s64,
	vshl_u64, vshr_n_s64, vshr_n_u64, vsli_n_s64, vsli_n_u64,
	vsqadd_u64, vsra_n_s64, vsra_n_u64, vsri_n_s64, vsri_n_u64,
	vst1_s64, vst1_u64, vtst_s64, vtst_u64, vuqadd_s64): Wrap existing
	logic in GCC vector extensions
	
	(vpaddd_s64, vaddd_s64, vaddd_u64, vceqd_s64, vceqd_u64, vceqzd_s64
	vceqzd_u64, vcged_s64, vcged_u64, vcgezd_s64, vcgtd_s64, vcgtd_u64,
	vcgtzd_s64, vcled_s64, vcled_u64, vclezd_s64, vcltd_s64, vcltd_u64,
	vcltzd_s64, vqdmlals_s32, vqdmlsls_s32, vqmovnd_s64, vqmovnd_u64
	vqmovund_s64, vqrshld_s64, vqrshld_u64, vqrshrnd_n_s64,
	vqrshrnd_n_u64, vqrshrund_n_s64, vqshld_s64, vqshld_u64,
	vqshld_n_u64, vqshrnd_n_s64, vqshrnd_n_u64, vqshrund_n_s64,
	vrshld_u64, vrshrd_n_u64, vrsrad_n_u64, vshld_n_u64, vshld_s64,
	vshld_u64, vslid_n_u64, vsqaddd_u64, vsrad_n_u64, vsrid_n_u64,
	vsubd_s64, vsubd_u64, vtstd_s64, vtstd_u64): Fix type signature.

	(vabs_s64): Use GCC vector extensions; call __builtin_aarch64_absdi.

	(vget_high_s64, vget_high_u64): Reimplement with GCC vector
	extensions.

	(__GET_LOW, vget_low_u64): Wrap result using vcreate_u64.
	(vget_low_s64): Use __GET_LOW macro.
	(vget_lane_s64, vget_lane_u64, vdupq_lane_s64, vdupq_lane_u64): Use
	gcc vector extensions, add call to __builtin_aarch64_lane_boundsi.
	(vdup_lane_s64, vdup_lane_u64,): Add __builtin_aarch64_lane_bound_si.
	(vdupd_lane_s64, vdupd_lane_u64): Fix type signature, add
	__builtin_aarch64_lane_boundsi, use GCC vector extensions.

	(vcombine_s64): Use GCC vector extensions; remove cast.
	(vqaddd_s64, vqaddd_u64, vqdmulls_s32, vqshld_n_s64, vqshlud_n_s64,
	vqsubd_s64, vqsubd_u64, vrshld_s64, vrshrd_n_s64, vrsrad_n_s64,
	vshld_n_s64, vshrd_n_s64, vslid_n_s64, vsrad_n_s64, vsrid_n_s64):
	Fix type signature; remove cast.

gcc/testsuite/ChangeLog:
	* g++.dg/abi/mangle-neon-aarch64.C (f22, f23): New tests of 
	[u]int64x1_t.

	* gcc.target/aarch64/aapcs64/func-ret-64x1_1.c: Add {u,}int64x1 cases.
	* gcc.target/aarch64/aapcs64/test_64x1_1.c: Likewise.

	* gcc.target/aarch64/scalar_intrinsics.c (test_vaddd_u64,
	test_vaddd_s64, test_vceqd_s64, test_vceqzd_s64, test_vcged_s64,
	test_vcled_s64, test_vcgezd_s64, test_vcged_u64, test_vcgtd_s64,
	test_vcltd_s64, test_vcgtzd_s64, test_vcgtd_u64, test_vclezd_s64,
	test_vcltzd_s64, test_vqaddd_u64, test_vqaddd_s64, test_vqdmlals_s32,
	test_vqdmlsls_s32, test_vqdmulls_s32, test_vuqaddd_s64,
	test_vsqaddd_u64, test_vqmovund_s64, test_vqmovnd_s64,
	test_vqmovnd_u64, test_vsubd_u64, test_vsubd_s64, test_vqsubd_u64,
	test_vqsubd_s64, test_vshld_s64, test_vshld_u64, test_vrshld_s64,
	test_vrshld_u64, test_vshrd_n_s64, test_vshrd_n_u64, test_vsrad_n_s64,
	test_vsrad_n_u64, test_vrshrd_n_s64, test_vrshrd_n_u64,
	test_vrsrad_n_s64, test_vrsrad_n_u64, test_vqrshld_s64,
	test_vqrshld_u64, test_vqshlud_n_s64, test_vqshld_s64, test_vqshld_u64,
	test_vqshld_n_u64, test_vqshrund_n_s64, test_vqrshrund_n_s64,
	test_vqshrnd_n_s64, test_vqshrnd_n_u64, test_vqrshrnd_n_s64,
	test_vqrshrnd_n_u64, test_vshld_n_s64, test_vshdl_n_u64,
	test_vslid_n_s64, test_vslid_n_u64, test_vsrid_n_s64,
	test_vsrid_n_u64): Fix signature to match intrinsic.
	
	(test_vabs_s64): Remove.
	(test_vaddd_s64_2, test_vsubd_s64_2): Use force_simd.

	(test_vdupd_lane_s64): Rename to...
	(test_vdupd_laneq_s64): ...and remove a call to force_simd.

	(test_vdupd_lane_u64): Rename to...
	(test_vdupd_laneq_u64): ...and remove a call to force_simd.

	(test_vtst_s64): Rename to...
	(test_vtstd_s64): ...and change int64x1_t to int64_t.

	(test_vtst_u64): Rename to...
	(test_vtstd_u64): ...and change uint64x1_t to uint64_t.

	* gcc.target/aarch64/singleton_intrinsics_1.c: New file.
	* gcc.target/aarch64/vdup_lane_1.c, gcc.target/aarch64/vdup_lane_2.c:
	Remove out-of-bounds tests.
	* gcc.target/aarch64/vneg_s.c (INDEX*, RUN_TEST): Remove INDEX macro.

From-SVN: r211894