4.6.8.12 FP Instruction Status Effects

Table 4-19 lists the floating-point instructions and their effect on the FPU Status bits.

  • FSR [19:16] can only be updated by the FCPS/FCPQ instructions.
  • FSR [28:24] can only be updated by the FTST instruction.
  • FMOV, FMOVC, FABS and FNEG instructions do not generate any status.