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Multiply/Divide/Modulo instruction checks #12

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opened 4 years ago by Jean-François Nguyen · 0 comments

Jean-François Nguyen commented 4 years ago

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Multiply/Divide/Modulo instruction checks

Instructions

D-form:

• mulli

XO-form:

• mullw
• mullw.
• mulhw
• mulhw.
• mulhwu
• mulhwu.
• divw
• divw.
• divwu
• divwu.
• divwe
• divwe.
• divweu
• divweu.
• mulld
• mulld.
• mulhd
• mulhd.
• mulhdu
• mulhdu.
• divd
• divd.
• divdu
• divdu.
• divde
• divde.
• divdeu
• divdeu.

X-form:

• modsw
• moduw
• modsd
• modud

GPR access

RA (read):

• all

RB (read):

• all, except mulli

RT (write):

• all

CR access

Write:

• '.' suffix (Rc=1)

Multiply/Divide/Modulo instruction checks ========================================= Instructions ------------ D-form: - `mulli` XO-form: - `mullw` - `mullw.` - `mulhw` - `mulhw.` - `mulhwu` - `mulhwu.` - `divw` - `divw.` - `divwu` - `divwu.` - `divwe` - `divwe.` - `divweu` - `divweu.` - `mulld` - `mulld.` - `mulhd` - `mulhd.` - `mulhdu` - `mulhdu.` - `divd` - `divd.` - `divdu` - `divdu.` - `divde` - `divde.` - `divdeu` - `divdeu.` X-form: - `modsw` - `moduw` - `modsd` - `modud` GPR access ---------- RA (read): - all RB (read): - all, except `mulli` RT (write): - all CR access ---------- Write: - '.' suffix (Rc=1)

Jean-François Nguyen referenced this issue 4 years ago

Scalar Fixed-Point Compliancy Subset (SFS) #15

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Reference: cores/power-fv#12

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