user manual

Instruction Dispatch and Execution Resources 205
22007E/0—November 1999 AMD Athlon™ Processor x86 Code Optimization
SHR mem16/32, imm8 C1h mm-101-xxx DirectPath
SHR mreg8, 1 D0h 11-101-xxx DirectPath
SHR mem8, 1 D0h mm-101-xxx DirectPath
SHR mreg16/32, 1 D1h 11-101-xxx DirectPath
SHR mem16/32, 1 D1h mm-101-xxx DirectPath
SHR mreg8, CL D2h 11-101-xxx DirectPath
SHR mem8, CL D2h mm-101-xxx DirectPath
SHR mreg16/32, CL D3h 11-101-xxx DirectPath
SHR mem16/32, CL D3h mm-101-xxx DirectPath
SHLD mreg16/32, reg16/32, imm8 0Fh A4h 11-xxx-xxx VectorPath
SHLD mem16/32, reg16/32, imm8 0Fh A4h mm-xxx-xxx VectorPath
SHLD mreg16/32, reg16/32, CL 0Fh A5h 11-xxx-xxx VectorPath
SHLD mem16/32, reg16/32, CL 0Fh A5h mm-xxx-xxx VectorPath
SHRD mreg16/32, reg16/32, imm8 0Fh ACh 11-xxx-xxx VectorPath
SHRD mem16/32, reg16/32, imm8 0Fh ACh mm-xxx-xxx VectorPath
SHRD mreg16/32, reg16/32, CL 0Fh ADh 11-xxx-xxx VectorPath
SHRD mem16/32, reg16/32, CL 0Fh ADh mm-xxx-xxx VectorPath
SLDT mreg16 0Fh 00h 11-000-xxx VectorPath
SLDT mem16 0Fh 00h mm-000-xxx VectorPath
SMSW mreg16 0Fh 01h 11-100-xxx VectorPath
SMSW mem16 0Fh 01h mm-100-xxx VectorPath
STC F9h DirectPath
STD FDh VectorPath
STI FBh VectorPath
STOSB mem8, AL AAh VectorPath
STOSW mem16, AX ABh VectorPath
STOSD mem32, EAX ABh VectorPath
STR mreg16 0Fh 00h 11-001-xxx VectorPath
STR mem16 0Fh 00h mm-001-xxx VectorPath
SUB mreg8, reg8 28h 11-xxx-xxx DirectPath
SUB mem8, reg8 28h mm-xxx-xxx DirectPath
SUB mreg16/32, reg16/32 29h 11-xxx-xxx DirectPath
SUB mem16/32, reg16/32 29h mm-xxx-xxx DirectPath
Table 19. Integer Instructions (Continued)
Instruction Mnemonic
First
Byte
Second
Byte
ModR/M
Byte
Decode
Type