Blakely, Sokoloff, Taylor & Zafman LLP
Conversion from packed floating point data to packed 8-bit integer data in different architectural registers
 A method and instruction for converting a number from a floating point format to an integer format are described. Numbers are stored in the floating point format in a register of a first set of architectural registers in a packed format. At least one of the numbers in the floating point format is converted to at least one 8-bit number in the integer format. The 8-bit number in the integer format is placed in a register of a second set of architectural registers in the packed format. 
Intel Corporation
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Mohammad A. F. Patrice Vladimir Thomas R. Hsien-Cheng E. Shreekant S.
Abdallah Roussel Pentkovski Huff Hsieh Thakkar