#define M_MA(out, L_v, var1, var2)({ \
    asm volatile(  \
    "imull %2, %3\n\t" \
    "sall $1,%3\n\t" \
    "cmpl %4,%3\n\t" \
    "cmove %5,%3\n\t" \
    "addl %1, %3\n\t" \
    "jno out%=\n\t" \
    "cmovg %5, %3\n\t" \
    "cmovl %4, %3\n\t" \
    "out%=: nop\n\t" \
    "movl %3, %0\n\t" : "=r"(out) : "r"(L_v), "r"((Word32)var1), "r"((Word32)var2), "r"(-2147483648), "r"(+2147483647) );  })