AMCC PPC405 - Page 397

AMCC Proprietary 397
Revision 1.02 - September 10, 2007
PPC405 Processor
Preliminary User’s Manual
maclhws
RT, RA, RB prod
0:31
← (RA)
16:31
x (RB)
16:31
signed
temp
0:32
← prod
0:31
+ (RT)
if ((prod
0
= RT
0
) ∧ (RT
0
≠ temp
1
)) then
(RT)
← (RT
0
||
31
(¬RT
0
))
else (RT)
← temp
1:32
258
maclhws.
CR[CR0]
maclhwso
XER[SO, OV]
maclhwso.
CR[CR0]
XER[SO, OV]
maclhwsu
RT, RA, RB prod
0:31
← (RA)
16:31
x (RB)
16:31
unsigned
temp
0:32
← prod
0:31
+ (RT)
(RT)
← (temp
1:32
∨
32
temp
0
)
259
maclhwsu.
CR[CR0]
maclhwsuo
XER[SO, OV]
maclhwsuo.
CR[CR0]
XER[SO, OV]
maclhwu
RT, RA, RB prod
0:31
← (RA)
16:31
x (RB)
16:31
unsigned
temp
0:32
← prod
0:31
+ (RT)
(RT) ← temp
1:32
260
maclhwu.
CR[CR0]
maclhwuo
XER[SO, OV]
maclhwuo.
CR[CR0]
XER[SO, OV]
mulchw
RT, RA, RB (RT)
0:31
← (RA)
16:31
x (RB)
0:15
signed 274
mulchw.
CR[CR0]
mulchwu
RT, RA, RB (RT)
0:31
← (RA)
16:31
x (RB)
0:15
unsigned 275
mulchwu.
CR[CR0]
mulhhw
RT, RA, RB (RT)
0:31
← (RA)
0:15
x (RB)
0:15
signed 276
mulhhw.
CR[CR0]
mulhhwu
RT, RA, RB (RT)
0:31
← (RA)
0:15
x (RB)
0:15
unsigned 277
mulhhwu.
CR[CR0]
mullhw
RT, RA, RB (RT)
0:31
← (RA)
16:31
x (RB)
16:31
signed 280
mullhw.
CR[CR0]
mullhwu
RT, RA, RB (RT)
16:31
← (RA)
0:15
x (RB)
16:31
unsigned 281
mullhwu.
CR[CR0]
nmacchw
RT, RA, RB nprod
0:31
← –((RA)
16:31
x (RB)
0:15
) signed
temp
0:32
← nprod
0:31
+ (RT)
(RT)
← temp
1:32
286
nmacchw.
CR[CR0]
nmacchwo
XER[SO, OV]
nmacchwo.
CR[CR0]
XER[SO, OV]
nmacchws
RT, RA, RB nprod
0:31
← –((RA)
16:31
x (RB)
0:15
) signed
temp
0:32
← nprod
0:31
+ (RT)
if ((nprod
0
= RT
0
) ∧ (RT
0
≠ temp
1
)) then
(RT)
← (RT
0
||
31
(¬RT
0
))
else (RT)
← temp
1:32
287
nmacchws.
CR[CR0]
nmacchwso
XER[SO, OV]
nmacchwso.
CR[CR0]
XER[SO, OV]
Table B-2. Implementation-specific Instructions (Continued)
Mnemonic Operands Function
Other Registers
Changed
Page