INTEL
®
CELERON® PROCESSOR SPECIFICATION UPDATE
86
PMULH – Packed multiplication
It should state:
PMULHW – Packed multiplication, store high word
10.
Page B-21, Table B-12, MMX Instruction Formats and Encodings (Contd.).
Add instruction PMULHUW :
PMULHUW – Packed multiplication, store high word (unsigned)
mmxreg2 to mmxreg1
0000 1111: 1110 0100: 11 mmxreg1 mmxreg2
memory to mmxreg
0000 1111: 1110 0100: mod mmxreg r/m
11.
Page B-21, Table B-12, MMX Instruction Formats and Encodings (Contd.).
Entry PMULL currently states:
PMULL – Packed multiplication
It should state:
PMULLW – Packed multiplication, store low word
12
. Page B-40, Table B-19, Formats and Encodings of the SSE2 SIMD Integer Instruction.
Entry PMADD currently states:
PMADD – Packed multiply add
It should state:
PMADDWD – Packed multiply add
13.
Page B-41, Table B-19, Formats and Encodings of the SSE2 SIMD Integer Instruction.
Entry PMULH currently states:
PMULH – Packed multiplication
It should state:
PMULHW – Packed multiplication, store high word
14.
Page B-41, Table B-19, Formats and Encodings of the SSE2 SIMD Integer Instruction.
Add instruction PMULHUW:
PMULHUW – Packed multiplication, store high word (unsigned)
xmmreg2 to xmmreg1
0110 0110 : 0000 1111 : 11110 0100 : 11 xmmreg1 xmmreg2
memory to xmmreg
0110 0110 : 0000 1111 : 1110 0100 : mod xmmreg r/m