Byte-compare operation for high-performance processor

Boots – shoes – and leggings

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

364247, 3642549, 3642592, 3642598, 3642624, 36426281, 364DIG1, G06F 702, G06F 900

Patent

active

055686249

ABSTRACT:
A high-performance CPU of the RISC (reduced instruction set) type employs a standardized, fixed instruction size, and permits only simplified memory access data width and addressing modes. The instruction set is limited to register-to-register operations and register load/store operations. Byte manipulation instructions, included to permit use of previously-established data structures, include the facility for doing in-register byte extract, insert and masking, along with non-aligned load and store instructions. The provision of load/locked and store/conditional instructions permits the implementation of atomic byte writes. By providing a conditional move instruction, many short branches can be eliminated altogether. A conditional move instruction tests a register and moves a second register to a third if the condition is met; this function can be substituted for short branches and thus maintain the sequentiality of the instruction stream.

REFERENCES:
patent: 4896133 (1990-01-01), Methvin et al.
patent: 4967343 (1990-10-01), Ngai et al.
patent: 5073864 (1991-12-01), Methvin et al.
patent: 5222225 (1993-06-01), Groves
Kane, "MIPS R2000 RISC Architecture", Prentice Hall, 1987, pp. A-64 and A-64.
Patterson et al, "Computer Architecture: A Quantitive Approach", Appendix E, "Survey of RISC Archtiectures", pp. E-1 to E-24, Morgan Kaufmann Pub. Inc., 1990.
Intel product specification, "i860.TM. 64--Bit Microprocessor", Oct. 1989, pp. 5-1 to 5-72.
Kane, "MIPS R2000 RISC Architecture", Prentice Hall, 1987, pp. 1-1 to 4-11 and pp. A-1 to A-9, Radin, "The 801 Minicomputer", IBM Research Report, Nov. 11, 1981, pp. 1-23.
"Two--step digit comparator pares hardware," Electronic Design, vol. 31, No. 22, Oct. 1983, Denville, New Jersey, pp. 242, 244.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Byte-compare operation for high-performance processor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Byte-compare operation for high-performance processor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Byte-compare operation for high-performance processor will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2366904

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.