[entry: main] const SYS_EXIT = 60 proc main { xmm0 = 3.0 // radius xmm0 *= xmm0 // r * r = 9.0 xmm1 = 3.14159 // pi xmm0 *= xmm1 // area ~= 28.27 rdi = xmm0 // truncate rax = SYS_EXIT syscall }