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Sign extension

  • same number, more bits
  • Replicate sign bit to the left
  • RISC-V:
    • lb (load byte): sign-extend loaded byte (byte interpreted as 2's-complement)
    • lbu (load byte unsigned): zero-extend loaded byte
    • addi (add immediate): sign-extend 12-bit immediate (immediate interpreted as 2's complement)
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pdf

owner: pavestonelaboringuntitled - (no access) - 04 Instructions-language of the computer.pdf, p26


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statusnot read reprioritisations
last reprioritisation on suggested re-reading day
started reading on finished reading on

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