rav1e

arm64: Implement 16bpc cdef_dist_kernel #4838

Job	Run time
build-macos (Cargo build (x64), cargo-build, x86_64-apple-darwin)	2m 34s
build-windows (cargo-build, x86_64-pc-windows-msvc)	4m 21s
build-unix (beta-build)	2m 19s
build-macos (Cargo test (x64), cargo-test, x86_64-apple-darwin)	3m 56s
build-windows (cargo-test, x86_64-pc-windows-msvc)	4m 49s
rustfmt-clippy	1m 37s
build-unix (1.70.0-tests)	3m 40s
build-macos (Cargo C-build (x64), cargo-c, x86_64-apple-darwin)	8m 7s
build-windows (cargo-c, x86_64-pc-windows-gnu)	48m 38s
build-unix (aom-tests)	4m 33s
build-macos (Cargo build (Arm64), cargo-build, aarch64-apple-darwin)	2m 57s
build-unix (dav1d-tests)	4m 51s
build-macos (Cargo C-build (Arm64), cargo-c, aarch64-apple-darwin)	8m 16s
build-unix (no-asm-tests)	6m 52s
build-unix (grcov-codecov)	7m 40s
build-unix (bench)	3m 13s
build-unix (doc)	1m 58s
build-unix (cargo-c)	6m 13s
build-unix (check-no-default)	1m 20s
build-unix (check-extra-feats)	2m 2s
build-unix (check-unstable-feats)	2m 7s
build-unix (fuzz)	3m 39s
build-unix (dav1d-tests-arm64, stable)	6m 22s
	2h 22m 4s

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