cmov

cpufeatures: fix cfg for freestanding x86 targets (#1137) #600

Job	Run time
build (1.60.0, thumbv7em-none-eabi)	1m 55s
cross (aarch64-unknown-linux-gnu, 1.60.0)	2m 8s
cross (aarch64-unknown-linux-gnu, stable)	27s
build (1.60.0, wasm32-unknown-unknown)	1m 53s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.60.0, sudo apt update && sudo apt install gcc-mult...	2m 10s
cross (powerpc-unknown-linux-gnu, 1.60.0)	2m 16s
build (stable, thumbv7em-none-eabi)	17s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.60.0)	1m 52s
cross (powerpc-unknown-linux-gnu, stable)	42s
build (stable, wasm32-unknown-unknown)	12s
test (x86_64-pc-windows-msvc, windows-latest, 1.60.0)	2m 14s
test (x86_64-apple-darwin, macos-latest, 1.60.0)	2m 11s
minimal-versions / minimal-versions	19s
	18m 36s

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