User's Manual

194 Instruction Dispatch and Execution Resources
AMD Athlon™ Processor x86 Code Optimization
22007E/0—November 1999
DIV EAX, mreg16/32 F7h 11-110-xxx VectorPath
DIV EAX, mem16/32 F7h mm-110-xxx VectorPath
ENTER C8 VectorPath
IDIV mreg8 F6h 11-111-xxx VectorPath
IDIV mem8 F6h mm-111-xxx VectorPath
IDIV EAX, mreg16/32 F7h 11-111-xxx VectorPath
IDIV EAX, mem16/32 F7h mm-111-xxx VectorPath
IMUL reg16/32, imm16/32 69h 11-xxx-xxx VectorPath
IMUL reg16/32, mreg16/32, imm16/32 69h 11-xxx-xxx VectorPath
IMUL reg16/32, mem16/32, imm16/32 69h mm-xxx-xxx VectorPath
IMUL reg16/32, imm8 (sign extended) 6Bh 11-xxx-xxx VectorPath
IMUL reg16/32, mreg16/32, imm8 (signed) 6Bh 11-xxx-xxx VectorPath
IMUL reg16/32, mem16/32, imm8 (signed) 6Bh mm-xxx-xxx VectorPath
IMUL AX, AL, mreg8 F6h 11-101-xxx VectorPath
IMUL AX, AL, mem8 F6h mm-101-xxx VectorPath
IMUL EDX:EAX, EAX, mreg16/32 F7h 11-101-xxx VectorPath
IMUL EDX:EAX, EAX, mem16/32 F7h mm-101-xxx VectorPath
IMUL reg16/32, mreg16/32 0Fh AFh 11-xxx-xxx VectorPath
IMUL reg16/32, mem16/32 0Fh AFh mm-xxx-xxx VectorPath
IN AL, imm8 E4h VectorPath
IN AX, imm8 E5h VectorPath
IN EAX, imm8 E5h VectorPath
IN AL, DX ECh VectorPath
IN AX, DX EDh VectorPath
IN EAX, DX EDh VectorPath
INC EAX 40h DirectPath
INC ECX 41h DirectPath
INC EDX 42h DirectPath
INC EBX 43h DirectPath
INC ESP 44h DirectPath
INC EBP 45h DirectPath
INC ESI 46h DirectPath
INC EDI 47h DirectPath
Table 19. Integer Instructions (Continued)
Instruction Mnemonic
First
Byte
Second
Byte
ModR/M
Byte
Decode
Type