__asm__(
            "incq (%0)nt"
            "jno  0fnt"
            "movl $0x0, (%0)nt"
            "movl $0x43e00000, 0x4(%0)nt"
            "movb %1, %c2(%0)n"
            "0:"
            :
            : "r"(&op1->value),
              "n"(IS_DOUBLE),
              "n"(ZVAL_OFFSETOF_TYPE)
            : "cc");

__asm__(
            "add %0, %0, #1nt"
            "bvc  0fnt"
            "mov %0, #0x0nt"
            "ldr x3, [%0, 0x4]nt"
            "mov x3, #0x43e00000nt"
            "ldr x3, [%0, %c2]nt"
            "mov x3, %1nt"
            "0:"
            :
            : "r"(&op1->value),
              "n"(IS_DOUBLE),
              "n"(ZVAL_OFFSETOF_TYPE)
            : "cc",
              "x3");