Store instruction checks

[openpower-gitea-migrator]

Originally Gitea issue #9 by jfng (gitea) on 2022-04-11

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Store instruction checks

Instructions

D-form:

• stb
• stbu
• sth
• sthu
• stw
• stwu

DS-form:

• std
• stdu

MLS:D-form:

• pstb
• psth
• pstw

8LS:D-form

• pstd

X-form:

• stbx
• stbux
• sthx
• sthux
• stwx
• stwux
• stdx
• stux

Invalid forms

Prefixed Store:

• (R == 1) and (RA != 0)

Store With Update:

• RA == 0

GPR access

RA (read)

• all if (RA != 0)

RA (write)

• 'u' suffix (With Update)

RB (read)

• X-form

RS (read)

• all