AMD AMD-K6-2/500AFX Data Sheet - Page 79
Cwd/cdq Edx, Eax, Cmpxchg8b Edx:eax
![]() |
View all AMD AMD-K6-2/500AFX manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 79 highlights
21850J/0-February 2000 Preliminary Information AMD-K6®-2 Processor Data Sheet Table 14. Integer Instructions (continued) Instruction Mnemonic First Byte CMPSD mem32, mem32 A7h CMPXCHG mreg8, reg8 0Fh CMPXCHG mem8, reg8 0Fh CMPXCHG mreg16/32, reg16/32 0Fh CMPXCHG mem16/32, reg16/32 0Fh CMPXCHG8B EDX:EAX 0Fh CMPXCHG8B mem64 0Fh CPUID 0Fh CWD/CDQ EDX, EAX 99h DAA 27h DAS 2Fh DEC EAX 48h DEC ECX 49h DEC EDX 4Ah DEC EBX 4Bh DEC ESP 4Ch DEC EBP 4Dh DEC ESI 4Eh DEC EDI 4Fh DEC mreg8 FEh DEC mem8 FEh DEC mreg16/32 FFh DEC mem16/32 FFh DIV AL, mreg8 F6h DIV AL, mem8 F6h DIV EAX, mreg16/32 F7h DIV EAX, mem16/32 F7h IDIV mreg8 F6h IDIV mem8 F6h IDIV EAX, mreg16/32 F7h IDIV EAX, mem16/32 F7h IMUL reg16/32, imm16/32 69h IMUL reg16/32, mreg16/32, imm16/32 69h Second Byte B0h B0h B1h B1h C7h C7h A2h ModR/M Byte 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-xxx-xxx mm-xxx-xxx 11-001-xxx mm-001-xxx 11-001-xxx mm-001-xxx 11-110-xxx mm-110-xxx 11-110-xxx mm-110-xxx 11-111-xxx mm-111-xxx 11-111-xxx mm-111-xxx 11-xxx-xxx 11-xxx-xxx Decode Type vector vector vector vector vector vector vector vector vector vector vector short short short short short short short short vector long vector long vector vector vector vector vector vector vector vector vector vector RISC86 Operations alu alu alu alu alu alu alu alu load, alux, store load, alu, store Chapter 3 Software Environment 59
![](/manual_guide/products/amd-amdk62500afx-data-sheet-ba4f528/79.png)