Reverse Engineering for Beginners

CHAPTER 17. FLOATING-POINT UNIT CHAPTER 17. FLOATING-POINT UNIT

FCOMPis executed:

Figure 17.7:OllyDbg:FCOMPis executed

We see the state of theFPU’s condition flags: all zeroes. The popped value is reflected asST(7), it was written earlier about
reason for this:17.5.1 on page 212.