Assembler Language Reference

Appendix E. POWER and POWER2 Instructions

In the following POWER and POWER2 Instructions table, Instructions that are supported only in POWER2 implementations are indicated by "POWER2" in the POWER2 Only column:

POWER and POWER2 Instructions
Mnemonic	Instruction	POWER2 Only	Format	Primary Op Code	Extended Op Code
a[o][.]	Add Carrying		XO	31	10
abs[o][.]	Absolute		XO	31	360
ae[o][.]	Add Extended		XO	31	138
ai	Add Immediate		D	12
ai.	Add Immediate and Record		D	13
ame[o][.]	Add to Minus One Extended		XO	31	234
and[.]	AND		X	31	28
andc[.]	AND with Complement		X	31	60
andil.	AND Immediate Lower		D	28
andiu.	AND Immediate Upper		D	29
aze[o][.]	Add to Zero Extended		XO	31	202
b[l][a]	Branch		I	18
bc[l][a]	Branch Conditional		B	16
bcc[l]	Branch Conditional to Count Register		XL	19	528
bcr[l]	Branch Conditional Register		XL	19	16
cal	Compute Address Lower		D	14
cau	Compute Address Upper		D	15
cax[o][.]	Compute Address		XO	31	266
clcs	Cache Line Compute Size		X	31	531
clf	Cache Line Flush		X	31	118
cli	Cache Line Invalidate		X	31	502
cmp	Compare		X	31	0
cmpi	Compare Immediate		D	11
cmpl	Compare Logical		X	31	32
cmpli	Compare Logical Immediate		D	10
cntlz[.]	Count Leading Zeros		X	31	26
crand	Condition Register AND		XL	19	257
crandc	Condition Register AND with Complement		XL	19	129
creqv	Condition Register Equivalent		XL	19	289
crnand	Condition Register NAND		XL	19	225
crnor	Condition Register NOR		XL	19	33
cror	Condition Register OR		XL	19	449
crorc	Condition Register OR with Complement		XL	19	417
crxor	Condition Register XOR		XL	19	193
dclst	Data Cache Line Store		X	31	630
dclz	Data Cache Line Set to Zero		X	31	1014
dcs	Data Cache Synchronize		X	31	598
div[o][.]	Divide		XO	31	331
divs[o][.]	Divide Short		XO	31	363
doz[o][.]	Difference or Zero		XO	31	264
dozi	Difference or Zero Immediate		D	09
eciwx	External Control in Word Indexed		X	31	310
ecowx	External Control out Word Indexed		X	31	438
eqv[.]	Equivalent		X	31	284
exts[.]	Extend Sign		X	31	922
fa[.]	Floating Add		A	63	21
fabs[.]	Floating Absolute Value		X	63	264
fcir[.]	Floating Convert to Integer Word		X	63	14
fcirz[.]	Floating Convert to Integer Word with Round to Zero		X	63	15
fcmpo	Floating Compare Ordered		X	63	32
fcmpu	Floating Compare Unordered		XL	63	0
fd[.]	Floating Divide		A	63	18
fm[.]	Floating Multiply		A	63	25
fma[.]	Floating Multiply-Add		A	63	29
fmr[.]	Floating Move Register		X	63	72
fms[.]	Floating Multiply-Subtract		A	63	28
fnabs[.]	Floating Negative Absolute Value		X	63	136
fneg[.]	Floating Negate		X	63	40
fnma[.]	Floating Negative Multiply-Add		A	63	31
fnms[.]	Floating Negative Multiply-Subtract		A	63	30
frsp[.]	Floating Round to Single Precision		X	63	12
fs[.]	Floating Subtract		A	63	20
fsqrt[.]	Floating Square Root	POWER2	A	63	22
ics	Instruction Cache Synchronize		X	19	150
l	Load		D	32
lbrx	Load Byte-Reversed Indexed		X	31	534
lbz	Load Byte and Zero		D	34
lbzu	Load Byte and Zero with Update		D	35
lbzux	Load Byte and Zero with Update Indexed		X	31	119
lbzx	Load Byte and Zero Indexed		X	31	87
lfd	Load Floating-Point Double		D	50
lfdu	Load Floating-Point Double with Update		D	51
lfdux	Load Floating-Point Double with Update Indexed		X	31	631
lfdx	Load Floating-Point Double Indexed		X	31	599
lfq	Load Floating-Point Quad	POWER2	D	56
lfqu	Load Floating-Point Quad with Update	POWER2	D	57
lfqux	Load Floating-Point Quad with Update Indexed	POWER2	X	31	823
lfqx	Load Floating-Point Quad Indexed	POWER2	X	31	791
lfs	Load Floating-Point Single		D	48
lfsu	Load Floating-Point Single with Update		D	49
lfsux	Load Floating-Point Single with Update Indexed		X	31	567
lfsx	Load Floating-Point Single Indexed		X	31	535
lha	Load Half Algebraic		D	42
lhau	Load Half Algebraic with Update		D	43
lhaux	Load Half Algebraic with Update Indexed		X	31	375
lhax	Load Half Algebraic Indexed		X	31	343
lhbrx	Load Half Byte-Reversed Indexed		X	31	790
lhz	Load Half and Zero		D	40
lhzu	Load Half and Zero with Update		D	41
lhzux	Load Half and Zero with Update Indexed		X	31	331
lhzx	Load Half and Zero Indexed		X	31	279
lm	Load Multiple		D	46
lscbx	Load String and Compare Byte Indexed		X	31	277
lsi	Load String Immediate		X	31	597
lsx	Load String Indexed		X	31	533
lu	Load with Update		D	33
lux	Load with Update Indexed		X	31	55
lx	Load Indexed		X	31	23
maskg[.]	Mask Generate		X	31	29
maskir[.]	Mask Insert from Register		X	31	541
mcrf	Move Condition Register Field		XL	19	0
mcrfs	Move to Condition Register from FPSCR		X	63	64
mcrxr	Move to Condition Register from XER		X	31	512
mfcr	Move from Condition Register		X	31	19
mffs[.]	Move from FPSCR		X	63	583
mfmsr	Move from Machine State Register		X	31	83
mfspr	Move from Special-Purpose Register		X	31	339
mfsr	Move from Segment Register		X	31	595
mfsri	Move from Segment Register Indirect		X	31	627
mtcrf	Move to Condition Register Fields		XFX	31	144
mtfsb0[.]	Move to FPSCR Bit 0		X	63	70
mtfsb1[.]	Move to FPSCR Bit 1		X	63	38
mtfsf[.]	Move to FPSCR Fields		XFL	63	711
mtfsfi[.]	Move to FPSCR Field Immediate		X	63	134
mtmsr	Move to Machine State Register		X	31	146
mtspr	Move to Special-Purpose Register		X	31	467
mtsr	Move to Segment Register		X	31	210
mtsri	Move to Segment Register Indirect		X	31	242
mul[o][.]	Multiply		XO	31	107
muli	Multiply Immediate		D	07
muls[o][.]	Multiply Short		XO	31	235
nabs[o][.]	Negative Absolute		XO	31	488
nand[.]	NAND		X	31	476
neg[o][.]	Negate		XO	31	104
nor[.]	NOR		X	31	124
or[.]	OR		X	31	444
orc[.]	OR with Complement		X	31	412
oril	OR Immediate Lower		D	24
oriu	OR Immediate Upper		D	25
rac[.]	Real Address Compute		X	31	818
rfi	Return from Interrupt		X	19	50
rfsvc	Return from SVC		X	19	82
rlimi[.]	Rotate Left Immediate then Mask Insert		M	20
rlinm[.]	Rotate Left Immediate then AND with Mask		M	21
rlmi[.]	Rotate Left then Mask Insert		M	22
rlnm[.]	Rotate Left then AND with Mask		M	23
rrib[.]	Rotate Right and Insert Bit		X	31	537
sf[o][.]	Subtract from		XO	31	08
sfe[o][.]	Subtract from Extended		XO	31	136
sfi	Subtract from Immediate		D	08
sfme[o][.]	Subtract from Minus One Extended		XO	31	232
sfze[o][.]	Subtract from Zero Extended		XO	31	200
si	Subtract Immediate		D	12
si.	Subtract Immediate and Record		D	13
sl[.]	Shift Left		X	31	24
sle[.]	Shift Left Extended		X	31	153
sleq[.]	Shift Left Extended with MQ		X	31	217
sliq[.]	Shift Left Immediate with MQ		X	31	184
slliq[.]	Shift Left Long Immediate with MQ		X	31	248
sllq[.]	Shift Left Long with MQ		X	31	216
slq[.]	Shift Left with MQ		X	31	152
sr[.]	Shift Right		X	31	536
sra[.]	Shift Right Algebraic		X	31	792
srai[.]	Shift Right Algebraic Immediate		X	31	824
sraiq[.]	Shift Right Algebraic Immediate with MQ		X	31	952
sraq[.]	Shift Right Algebraic with MQ		X	31	920
sre[.]	Shift Right Extended		X	31	665
srea[.]	Shift Right Extended Algebraic		X	31	921
sreq[.]	Shift Right Extended with MQ		X	31	729
sriq[.]	Shift Right Immediate with MQ		X	31	696
srliq[.]	Shift Right Long Immediate with MQ		X	31	760
srlq[.]	Shift Right Long with MQ		X	31	728
srq[.]	Shift RIght with MQ		X	31	664
st	Store		D	36
stb	Store Byte		D	38
stbrx	Store Byte-Reversed Indexed		X	31	662
stbu	Store Byte with Update		D	39
stbux	Store Byte with Update Indexed		X	31	247
stbx	Store Byte Indexed		X	31	215
stfd	Store Floating-Point Double		D	54
stfdu	Store Floating-Point Double with Update		D	55
stfdux	Store Floating-Point Double with Update Indexed		X	31	759
stfdx	Store Floating-Point Double Indexed		X	31	727
stfq	Store Floating-Point Quad	POWER2	DS	60
stfqu	Store Floating-Point Quad with Update	POWER2	DS	61
stfqux	Store Floating-Point Quad with Update Indexed	POWER2	X	31	951
stfqx	Store Floating-Point Quad Indexed	POWER2	X	31	919
stfs	Store Floating-Point Single		D	52
stfsu	Store Floating-Point Single with Update		D	53
stfsux	Store Floating-Point Single with Update Indexed		X	31	695
stfsx	Store Floating-Point Single Indexed		X	31	663
sth	Store Half		D	44
sthbrx	Store Half Byte-Reverse Indexed		X	31	918
sthu	Store Half with Update		D	45
sthux	Store Half with Update Indexed		X	31	439
sthx	Store Half Indexed		X	31	407
stm	Store Multiple		D	47
stsi	Store String Immediate		X	31	725
stsx	Store String Indexed		X	31	661
stu	Store with Update		D	37
stux	Store with Update Indexed		X	31	183
stx	Store Indexed		X	31	151
svc[l][a]	Supervisor Call		SC	17
t	Trap		X	31	04
ti	Trap Immediate		D	03
tlbi	Translation Look-aside Buffer Invalidate Entry		X	31	306
xor[.]	XOR		X	31	316
xoril	XOR Immediate Lower		D	26
xoriu	XOR Immediate Upper		D	27