initial commit to enable amx #2314

Job	Run time
Check Style	13s
Automatic intrinsic verification	27s
Build Documentation	1m 13s
Env Override (ubuntu-latest)	15s
Env Override (windows-latest)	23s
Test (i686-unknown-linux-gnu)	1m 53s
Build std_detect	58s
Test (x86_64-unknown-linux-gnu)	3m 50s
Test (x86_64-unknown-linux-gnu-emulated)	9m 5s
Test (arm-unknown-linux-gnueabihf)	1m 23s
Test (armv7-unknown-linux-gnueabihf)	10m 46s
Test (aarch64-unknown-linux-gnu)	21m 1s
Test (riscv64gc-unknown-linux-gnu)	1m 31s
Test (powerpc64le-unknown-linux-gnu)	3m 37s
Test (s390x-unknown-linux-gnu)	1m 23s
Test (wasm32-wasip1)	1m 20s
Test (i586-unknown-linux-gnu)	1m 58s
Test (nvptx64-nvidia-cuda)	34s
Test (thumbv6m-none-eabi)	12s
Test (thumbv7m-none-eabi)	12s
Test (thumbv7em-none-eabi)	16s
Test (thumbv7em-none-eabihf)	14s
Test (x86_64-apple-darwin)	6m 45s
Test (aarch64-apple-darwin)	47s
Test (x86_64-pc-windows-msvc)	6m 43s
Test (i686-pc-windows-msvc)	3m 16s
Test (aarch64-pc-windows-msvc)	1m 22s
Test (x86_64-pc-windows-gnu)	7m 2s
success	1s
	1h 28m 40s

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