cmov: XOR within the ASM block #289

Job	Run time
cross (aarch64-unknown-linux-gnu, 1.60.0)	2m 16s
cross (aarch64-unknown-linux-gnu, stable)	36s
cross (powerpc-unknown-linux-gnu, 1.60.0)	2m 34s
cross (powerpc-unknown-linux-gnu, stable)	41s
test (i686-unknown-linux-gnu, ubuntu-latest, 1.60.0, sudo apt update && sudo apt install gcc-mult...	2m 1s
test (x86_64-unknown-linux-gnu, ubuntu-latest, 1.60.0)	1m 46s
test (x86_64-pc-windows-msvc, windows-latest, 1.60.0)	1m 0s
test (x86_64-apple-darwin, macos-latest, 1.60.0)	1m 58s
build (1.60.0, thumbv7em-none-eabi)	1m 52s
build (1.60.0, wasm32-unknown-unknown)	1m 57s
build (stable, thumbv7em-none-eabi)	15s
build (stable, wasm32-unknown-unknown)	8s
minimal-versions / minimal-versions	33s
	17m 37s

Provide feedback