user manual

198 Instruction Dispatch and Execution Resources
AMD Athlon™ Processor x86 Code Optimization
22007E/0—November 1999
MOV EDX, imm16/32 BAh DirectPath
MOV EBX, imm16/32 BBh DirectPath
MOV ESP, imm16/32 BCh DirectPath
MOV EBP, imm16/32 BDh DirectPath
MOV ESI, imm16/32 BEh DirectPath
MOV EDI, imm16/32 BFh DirectPath
MOV mreg8, imm8 C6h 11-000-xxx DirectPath
MOV mem8, imm8 C6h mm-000-xxx DirectPath
MOV mreg16/32, imm16/32 C7h 11-000-xxx DirectPath
MOV mem16/32, imm16/32 C7h mm-000-xxx DirectPath
MOVSB mem8,mem8 A4h VectorPath
MOVSD mem16, mem16 A5h VectorPath
MOVSW mem32, mem32 A5h VectorPath
MOVSX reg16/32, mreg8 0Fh BEh 11-xxx-xxx DirectPath
MOVSX reg16/32, mem8 0Fh BEh mm-xxx-xxx DirectPath
MOVSX reg32, mreg16 0Fh BFh 11-xxx-xxx DirectPath
MOVSX reg32, mem16 0Fh BFh mm-xxx-xxx DirectPath
MOVZX reg16/32, mreg8 0Fh B6h 11-xxx-xxx DirectPath
MOVZX reg16/32, mem8 0Fh B6h mm-xxx-xxx DirectPath
MOVZX reg32, mreg16 0Fh B7h 11-xxx-xxx DirectPath
MOVZX reg32, mem16 0Fh B7h mm-xxx-xxx DirectPath
MUL AL, mreg8 F6h 11-100-xxx VectorPath
MUL AL, mem8 F6h mm-100-xx VectorPath
MUL AX, mreg16 F7h 11-100-xxx VectorPath
MUL AX, mem16 F7h mm-100-xxx VectorPath
MUL EAX, mreg32 F7h 11-100-xxx VectorPath
MUL EAX, mem32 F7h mm-100-xx VectorPath
NEG mreg8 F6h 11-011-xxx DirectPath
NEG mem8 F6h mm-011-xx DirectPath
NEG mreg16/32 F7h 11-011-xxx DirectPath
NEG mem16/32 F7h mm-011-xx DirectPath
NOP (XCHG EAX, EAX) 90h DirectPath
NOT mreg8 F6h 11-010-xxx DirectPath
Table 19. Integer Instructions (Continued)
Instruction Mnemonic
First
Byte
Second
Byte
ModR/M
Byte
Decode
Type