AMD AMD-K6-2/400 User Guide - Page 95
Nop Xchg Eax, Eax, Mul Al, Mem8
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23542A/0-September 2000 Preliminary Information AMD-K6™-2E+ Embedded Processor Data Sheet Table 12. Integer Instructions (continued) Instruction Mnemonic MOV reg32, CR4 MOV CR0, reg32 MOV CR2, reg32 MOV CR3, reg32 MOV CR4, reg32 MOVSB mem8,mem8 MOVSD mem16, mem16 MOVSW mem32, mem32 MOVSX reg16/32, mreg8 MOVSX reg16/32, mem8 MOVSX reg32, mreg16 MOVSX reg32, mem16 MOVZX reg16/32, mreg8 MOVZX reg16/32, mem8 MOVZX reg32, mreg16 MOVZX reg32, mem16 MUL AL, mreg8 MUL AL, mem8 MUL EAX, mreg16/32 MUL EAX, mem16/32 NEG mreg8 NEG mem8 NEG mreg16/32 NEG mem16/32 NOP (XCHG EAX, EAX) NOT mreg8 NOT mem8 NOT mreg16/32 NOT mem16/32 OR mreg8, reg8 OR mem8, reg8 OR mreg16/32, reg16/32 OR mem16/32, reg16/32 OR reg8, mreg8 OR reg8, mem8 First Second Byte Byte 0Fh 20h 0Fh 22h 0Fh 22h 0Fh 22h 0Fh 22h A4h A5h A5h 0Fh BEh 0Fh BEh 0Fh BFh 0Fh BFh 0Fh B6h 0Fh B6h 0Fh B7h 0Fh B7h F6h F6h F7h F7h F6h F6h F7h F7h 90h F6h F6h F7h F7h 08h 08h 09h 09h 0Ah 0Ah ModR/M Byte 11-100-xxx 11-000-xxx 11-010-xxx 11-011-xxx 11-100-xxx 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-100-xxx mm-100-xxx 11-100-xxx mm-100-xxx 11-011-xxx mm-011-xxx 11-011-xxx mm-011-xxx 11-010-xxx mm-010-xxx 11-010-xxx mm-010-xxx 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx Decode Type vector vector vector vector vector long long long short short short short short short short short vector vector vector vector short vector short vector short short vector short vector short long short long short short RISC86 Operations load, store, alux, alux load, store, alu, alu load, store, alu, alu alu load, alu alu load, alu alu load, alu alu load, alu alux alu limm alux alu alux load, alux, store alu load, alu, store alux load, alux Chapter 3 Software Environment 73