Some more altivec intrinsics #1926

Job	Run time
Check Style	15s
Automatic intrinsic verification	28s
Env Override	14s
Build Documentation	1m 6s
Build std_detect	59s
Test (i686-unknown-linux-gnu)	1m 43s
Test (x86_64-unknown-linux-gnu)	3m 39s
Test (x86_64-unknown-linux-gnu-emulated)	9m 24s
Test (arm-unknown-linux-gnueabihf)	1m 18s
Test (armv7-unknown-linux-gnueabihf)	10m 44s
Test (aarch64-unknown-linux-gnu)	21m 26s
Test (riscv64gc-unknown-linux-gnu)	1m 35s
Test (powerpc64le-unknown-linux-gnu)	3m 48s
Test (s390x-unknown-linux-gnu)	1m 27s
Test (wasm32-wasi)	1m 31s
Test (i586-unknown-linux-gnu)	1m 49s
Test (nvptx64-nvidia-cuda)	27s
Test (thumbv6m-none-eabi)	13s
Test (thumbv7m-none-eabi)	15s
Test (thumbv7em-none-eabi)	16s
Test (thumbv7em-none-eabihf)	15s
Test (aarch64-apple-darwin)	1m 47s
Test (x86_64-pc-windows-msvc)	6m 16s
Test (i686-pc-windows-msvc)	2m 56s
Test (x86_64-apple-darwin, macos-11)	7m 57s
success	1s
	1h 21m 49s

Provide feedback