TIL that x86 has a floating point NOP called FNOP
TIL that x86 has a floating point NOP called FNOP

stackoverflow.com
What's the difference between the x86 NOP and FNOP instructions?

TIL that x86 has a floating point NOP called FNOP
What's the difference between the x86 NOP and FNOP instructions?
x86 has so many instructions, people aren't even sure about the total count. It's estimated to be in the low thousands.
Wow is that THE Raymond Chen that answered? His blog is legendary: https://devblogs.microsoft.com/oldnewthing/