SSE4.1 consists of 47 instructions that improve performance of
media data manipulation:
- 2 Dword multiply instructions
- 2 Single- and double-precision dot product instructions
- 1 streaming Load Hint Instruction
- 6 packed blending instructions
- 8 packed integer MIN/MAX instructions
- 4 instructions used for rounding scalar, single and
double-precision operands
- 7 instructions used to simplify insertion and extractions data
to/from XMM registers
- 12 instructions used to convert packed integer data
- 1 instruction that improves sum absolute difference for 4-byte
blocks
- 1 search instruction that determines value and location of minimum
unsigned word in a block of 8 packed unsigned words
- 1 packed test instruction
- 1 128-bit packed qword equality test
- 1 instruction used to pack pack dword to word with unsigned saturation
SSE4.1 is only the first part of SSE4
instruction set. SSE4.1 was first introduced in Intel Penryn core
in January 2008. At this time (November 2008) there are no AMD
processors supporting SSE4.1 instructions.
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