Improved code generation

src/build/core/CompileCall.go

@@ -25,18 +25,21 @@ func (f *Function) CompileCall(root *expression.Expression) error {
 		return err
 	}
 
+	// Push
 	for _, register := range f.cpu.General {
 		if !f.cpu.IsFree(register) {
 			f.assembler.Register(asm.PUSH, register)
 		}
 	}
 
+	// Call
 	if isSyscall {
 		f.assembler.Syscall()
 	} else {
 		f.assembler.Call(funcName)
 	}
 
+	// Pop
 	for i := len(f.cpu.General) - 1; i >= 0; i-- {
 		register := f.cpu.General[i]