20 lines
519 B
Plaintext
20 lines
519 B
Plaintext
1111nnnnmmmm0000
|
|
Available only when PR=0
|
|
sr ← ZeroExtend32(SR);
|
|
fps ← ZeroExtend32(FPSCR);
|
|
op1 ← FloatValue32(FRm);
|
|
op2 ← FloatValue32(FRn);
|
|
IF (FpuIsDisabled(sr) AND IsDelaySlot())
|
|
THROW SLOTFPUDIS;
|
|
IF (FpuIsDisabled(sr))
|
|
THROW FPUDIS;
|
|
op2, fps ← FADD_S(op1, op2, fps);
|
|
IF (FpuEnableV(fps) AND FpuCauseV(fps))
|
|
THROW FPUEXC, fps;
|
|
IF (FpuCauseE(fps))
|
|
THROW FPUEXC, fps;
|
|
IF ((FpuEnableI(fps) OR FpuEnableO(fps)) OR FpuEnableU(fps))
|
|
THROW FPUEXC, fps;
|
|
FRn ← FloatRegister32(op2);
|
|
FPSCR ← ZeroExtend32(fps);
|