Logical/Equivalent/Extend Sign instruction checks

[openpower-gitea-migrator]

Originally Gitea issue #14 by jfng (gitea) on 2022-04-11

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Logical/Equivalent/Extend Sign instruction checks

Instructions

D-form:

• andi.
• andis.
• ori
• oris
• xori
• xoris

X-form:

• and
• and.
• xor
• xor.
• nand
• nand.
• or
• or.
• orc
• orc.
• nor
• nor.
• eqv
• eqv.
• andc
• andc.
• extsb
• extsb.
• extsh
• extsh.
• extsw
• extsw.

GPR access

RA (write):

• all

RB (read):

• X-form, except:
  • extsb/extsb.
  • extsh/extsh.
  • extsw/extsw.

RS (read):

• all

CR access

Write:

• '.' suffix (Rc=1)