AMD AMD-K6-2/500AFX Data Sheet - Page 96
Fmul Sti, St0, Sti
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AMD-K6®-2 Processor Data Sheet Preliminary Information 21850J/0-February 2000 Table 15. Floating-Point Instructions (continued) Instruction Mnemonic First Second ModR/M Decode Byte Byte Byte Type RISC86 Operations Note FLD mem32real D9h mm-000-xxx short fload, float FLD mem64real DDh mm-000-xxx short fload, float FLD mem80real DBh mm-101-xxx vector FLD1 D9h E8h short fload, float FLDCW D9h mm-101-xxx vector FLDENV D9h mm-100-xxx short fload, float FLDL2E D9h EAh short float FLDL2T D9h E9h short float FLDLG2 D9h ECh short float FLDLN2 D9h EDh short float FLDPI D9h EBh short float FLDZ D9h EEh short float FMUL ST(0), ST(i) D8h 11-001-xxx short float * FMUL ST(i), ST(0) DCh 11-001-xxx short float * FMUL ST(0), mem32real D8h mm-001-xxx short fload, float FMUL ST(0), mem64real DCh mm-001-xxx short fload, float FMULP ST(0), ST(i) DEh 11-001-xxx short float * FNOP D9h D0h short float FPATAN D9h F3h short float FPREM D9h F8h short float FPREM1 D9h F5h short float FPTAN D9h F2h vector FRNDINT D9h FCh short float FRSTOR DDh mm-100-xxx vector FSAVE DDh mm-110-xxx vector FSCALE D9h FDh short float FSIN D9h FEh short float FSINCOS D9h FBh vector FSQRT (single precision) D9h FAh short float FSQRT (double precision) D9h FAh short float FSQRT (extended precision) D9h FAh short float Note: * The last three bits of the modR/M byte select the stack entry ST(i). 76 Software Environment Chapter 3