asm.emitFLD_Reg_RegDisp (FP0, SP, WORDSIZE); asm.emitFSUB_Reg_RegDisp(FP0, SP, 0);
asm.emitFLD_Reg_RegDisp (FP0, SP, ONE_SLOT); asm.emitFSUB_Reg_RegDisp(FP0, SP, NO_SLOT);
  protected final void emit_fsub() {    asm.emitFLD_Reg_RegDisp (FP0, SP, WORDSIZE); // FPU reg. stack <- value1    asm.emitFSUB_Reg_RegDisp(FP0, SP, 0);        // FPU reg. stack -= value2    asm.emitPOP_Reg   (T0);           // discard     asm.emitFSTP_RegInd_Reg(SP, FP0);        // POP FPU reg. stack onto stack  }