190
Instruction Dispatch and Execution Resources
AMD Athlon™ Processor x86 Code Optimization
22007E/0—November 1999
AND mem8, reg8
20h
mm-xxx-xxx
DirectPath
AND mreg16/32, reg16/32
21h
11-xxx-xxx
DirectPath
AND mem16/32, reg16/32
21h
mm-xxx-xxx
DirectPath
AND reg8, mreg8
22h
11-xxx-xxx
DirectPath
AND reg8, mem8
22h
mm-xxx-xxx
DirectPath
AND reg16/32, mreg16/32
23h
11-xxx-xxx
DirectPath
AND reg16/32, mem16/32
23h
mm-xxx-xxx
DirectPath
AND AL, imm8
24h
DirectPath
AND EAX, imm16/32
25h
DirectPath
AND mreg8, imm8
80h
11-100-xxx
DirectPath
AND mem8, imm8
80h
mm-100-xxx DirectPath
AND mreg16/32, imm16/32
81h
11-100-xxx
DirectPath
AND mem16/32, imm16/32
81h
mm-100-xxx DirectPath
AND mreg16/32, imm8 (sign extended)
83h
11-100-xxx
DirectPath
AND mem16/32, imm8 (sign extended)
83h
mm-100-xxx DirectPath
ARPL mreg16, reg16
63h
11-xxx-xxx
VectorPath
ARPL mem16, reg16
63h
mm-xxx-xxx VectorPath
BOUND
62h
VectorPath
BSF reg16/32, mreg16/32
0Fh
BCh
11-xxx-xxx
VectorPath
BSF reg16/32, mem16/32
0Fh
BCh
mm-xxx-xxx VectorPath
BSR reg16/32, mreg16/32
0Fh
BDh
11-xxx-xxx
VectorPath
BSR reg16/32, mem16/32
0Fh
BDh
mm-xxx-xxx VectorPath
BSWAP EAX
0Fh
C8h
DirectPath
BSWAP ECX
0Fh
C9h
DirectPath
BSWAP EDX
0Fh
CAh
DirectPath
BSWAP EBX
0Fh
CBh
DirectPath
BSWAP ESP
0Fh
CCh
DirectPath
BSWAP EBP
0Fh
CDh
DirectPath
BSWAP ESI
0Fh
CEh
DirectPath
BSWAP EDI
0Fh
CFh
DirectPath
BT mreg16/32, reg16/32
0Fh
A3h
11-xxx-xxx
DirectPath
BT mem16/32, reg16/32
0Fh
A3h
mm-xxx-xxx VectorPath
BT mreg16/32, imm8
0Fh
BAh
11-100-xxx
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...