6-11
INSTRUCTION SET SUMMARY
PSUBSW
Subtract packed words with saturation
PSUBUSB
Subtract packed unsigned bytes with saturation
PSUBUSW
Subtract packed unsigned words with saturation
PMULHW
Multiply packed words and store high result
PMULLW
Multiply packed words and store low result
PMADDWD
Multiply and add packed words
6.2.2.4.MMX COMPARISON INSTRUCTIONS
PCMPEQB
Compare packed bytes for equal
PCMPEQW
Compare packed words for equal
PCMPEQD
Compare packed doublewords for equal
PCMPGTB
Compare packed bytes for greater than
PCMPGTW
Compare packed words for greater than
PCMPGTD
Compare packed doublewords for greater than
6.2.2.5.MMX LOGIC INSTRUCTIONS
PAND
Bitwise logical and
PANDN
Bitwise logical and not
POR
Bitwise logical or
PXOR
Bitwise logical exclusive or
6.2.2.6.MMX SHIFT AND ROTATE INSTRUCTIONS
PSLLW
Shift packed words left logical
PSLLD
Shift packed doublewords left logical
PSLLQ
Shift packed quadword left logical
PSRLW
Shift packed words right logical
PSRLD
Shift packed doublewords right logical
PSRLQ
Shift packed quadword right logical
PSRAW
Shift packed words right arithmetic
PSRAD
Shift packed doublewords right arithmetic
