Added with 80387 Floating-Point (FP) Coprocessor Instruction Set Architecture (ISA)

Floating-Point (FP) instructions added with the 80387 coprocessors:

• FCOS
  Cosine
• FLDENVD
  Load x87 FPU Environment
• FNSAVED
  Store x87 FPU State, No Wait
• FNSTENVD
  Store x87 FPU Environment, No Wait
• FPREM1
  Partial Remainder
• FRSTORD
  Restore x87 FPU State
• FSAVED
  Store x87 FPU State
• FSIN
  Sine
• FSINCOS
  Sine and Cosine
• FSTENVD
  Store x87 FPU Environment
• FUCOM/FUCOMP/FUCOMPP
  Unordered Compare Floating Point Values