AMD AMD-K6-2/500AFX Data Sheet - Page 95
Table 15., Floating-Point Instructions continued, FDIVRP STi, ST0
View all AMD AMD-K6-2/500AFX manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 95 highlights
21850J/0-February 2000 Preliminary Information AMD-K6®-2 Processor Data Sheet Table 15. Floating-Point Instructions (continued) Instruction Mnemonic First Second ModR/M Decode Byte Byte Byte Type RISC86 Operations Note FDIVR ST(0), mem32real D8h mm-111-xxx short fload, float FDIVR ST(0), mem64real DCh mm-111-xxx short fload, float FDIVRP ST(i), ST(0) DEh 11-110-xxx short float * FFREE ST(i) DDh 11-000-xxx short float * FIADD ST(0), mem32int DAh mm-000-xxx short fload, float FIADD ST(0), mem16int DEh mm-000-xxx short fload, float FICOM ST(0), mem32int DAh mm-010-xxx short fload, float FICOM ST(0), mem16int DEh mm-010-xxx short fload, float FICOMP ST(0), mem32int DAh mm-011-xxx short fload, float FICOMP ST(0), mem16int DEh mm-011-xxx short fload, float FIDIV ST(0), mem32int DAh mm-110-xxx short fload, float FIDIV ST(0), mem16int DEh mm-110-xxx short fload, float FIDIVR ST(0), mem32int DAh mm-111-xxx short fload, float FIDIVR ST(0), mem16int DEh mm-111-xxx short fload, float FILD mem16int DFh mm-000-xxx short fload, float FILD mem32int DBh mm-000-xxx short fload, float FILD mem64int DFh mm-101-xxx short fload, float FIMUL ST(0), mem32int DAh mm-001-xxx short fload, float FIMUL ST(0), mem16int DEh mm-001-xxx short fload, float FINCSTP D9h F7h short FINIT DBh E3h vector FIST mem16int DFh mm-010-xxx short fload, float FIST mem32int DBh mm-010-xxx short fload, float FISTP mem16int DFh mm-011-xxx short fload, float FISTP mem32int DBh mm-011-xxx short fload, float FISTP mem64int DFh mm-111-xxx short fload, float FISUB ST(0), mem32int DAh mm-100-xxx short fload, float FISUB ST(0), mem16int DEh mm-100-xxx short fload, float FISUBR ST(0), mem32int DAh mm-101-xxx short fload, float FISUBR ST(0), mem16int DEh mm-101-xxx short fload, float FLD ST(i) D9h 11-000-xxx short fload, float * Note: * The last three bits of the modR/M byte select the stack entry ST(i). Chapter 3 Software Environment 75