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
Summary of Contents for Athlon Processor x86
Page 1: ...AMD Athlon Processor x86 Code Optimization Guide TM...
Page 12: ...xii List of Figures AMD Athlon Processor x86 Code Optimization 22007E 0 November 1999...
Page 16: ...xvi Revision History AMD Athlon Processor x86 Code Optimization 22007E 0 November 1999...
Page 202: ...186 Page Attribute Table PAT AMD Athlon Processor x86 Code Optimization 22007E 0 November 1999...
Page 252: ...236 VectorPath Instructions AMD Athlon Processor x86 Code Optimization 22007E 0 November 1999...
Page 256: ...240 Index AMD Athlon Processor x86 Code Optimization 22007E 0 November 1999...