Instruction Dispatch and Execution Resources
203
22007E/0—November 1999
AMD Athlon™ Processor x86 Code Optimization
SBB mreg16/32, reg16/32
19h
11-xxx-xxx
DirectPath
SBB mem16/32, reg16/32
19h
mm-xxx-xxx
DirectPath
SBB reg8, mreg8
1Ah
11-xxx-xxx
DirectPath
SBB reg8, mem8
1Ah
mm-xxx-xxx
DirectPath
SBB reg16/32, mreg16/32
1Bh
11-xxx-xxx
DirectPath
SBB reg16/32, mem16/32
1Bh
mm-xxx-xxx
DirectPath
SBB AL, imm8
1Ch
DirectPath
SBB EAX, imm16/32
1Dh
DirectPath
SBB mreg8, imm8
80h
11-011-xxx
DirectPath
SBB mem8, imm8
80h
mm-011-xxx DirectPath
SBB mreg16/32, imm16/32
81h
11-011-xxx
DirectPath
SBB mem16/32, imm16/32
81h
mm-011-xxx DirectPath
SBB mreg16/32, imm8 (sign extended)
83h
11-011-xxx
DirectPath
SBB mem16/32, imm8 (sign extended)
83h
mm-011-xxx DirectPath
SCASB AL, mem8
AEh
VectorPath
SCASW AX, mem16
AFh
VectorPath
SCASD EAX, mem32
AFh
VectorPath
SETO mreg8
0Fh
90h
11-xxx-xxx
DirectPath
SETO mem8
0Fh
90h
mm-xxx-xxx
DirectPath
SETNO mreg8
0Fh
91h
11-xxx-xxx
DirectPath
SETNO mem8
0Fh
91h
mm-xxx-xxx
DirectPath
SETB/SETC/SETNAE mreg8
0Fh
92h
11-xxx-xxx
DirectPath
SETB/SETC/SETNAE mem8
0Fh
92h
mm-xxx-xxx
DirectPath
SETAE/SETNB/SETNC mreg8
0Fh
93h
11-xxx-xxx
DirectPath
SETAE/SETNB/SETNC mem8
0Fh
93h
mm-xxx-xxx
DirectPath
SETE/SETZ mreg8
0Fh
94h
11-xxx-xxx
DirectPath
SETE/SETZ mem8
0Fh
94h
mm-xxx-xxx
DirectPath
SETNE/SETNZ mreg8
0Fh
95h
11-xxx-xxx
DirectPath
SETNE/SETNZ mem8
0Fh
95h
mm-xxx-xxx
DirectPath
SETBE/SETNA mreg8
0Fh
96h
11-xxx-xxx
DirectPath
SETBE/SETNA mem8
0Fh
96h
mm-xxx-xxx
DirectPath
SETA/SETNBE mreg8
0Fh
97h
11-xxx-xxx
DirectPath
SETA/SETNBE mem8
0Fh
97h
mm-xxx-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...