Inline assembly
// ignore
a := 100
b := 20
mut c := 0
asm amd64 {
mov eax, a
add eax, b
mov c, eax
; =r (c) as c // output
; r (a) as a // input
r (b) as b
}
println('a: $a') // 100
println('b: $b') // 20
println('c: $c') // 120
For more examples, see github.com/vlang/v/tree/master/vlib/v/tests/assembly/asm_test.amd64.v