xenia-rs/migration/project-root/ppc-manual/forms/X.md

Form X — X — Extended (10-bit extended opcode)

Bit Layout

Bits	Field	Meaning
0–5	OPCD	primary opcode
6–10	RT/FRT/VRT	destination
11–15	RA/FRA/VRA	source A
16–20	RB/FRB/VRB	source B
21–30	XO	extended opcode (10 bits)
31	Rc	record-form flag

Instructions Using This Form

Mnemonic	Opcode	Group	Description
cmp	0x7c000000	integer	Compare
tw	0x7c000008	branch	Trap Word
lvsl	0x7c00000c	vmx	Load Vector for Shift Left Indexed
lvebx	0x7c00000e	memory	Load Vector Element Byte Indexed
mfcr	0x7c000026	control	Move from Condition Register
lwarx	0x7c000028	memory	Load Word and Reserve Indexed
ldx	0x7c00002a	memory	Load Doubleword Indexed
lwzx	0x7c00002e	memory	Load Word and Zero Indexed
slwx	0x7c000030	integer	Shift Left Word
cntlzwx	0x7c000034	integer	Count Leading Zeros Word
sldx	0x7c000036	integer	Shift Left Doubleword
andx	0x7c000038	integer	AND
cmpl	0x7c000040	integer	Compare Logical
lvsr	0x7c00004c	vmx	Load Vector for Shift Right Indexed
lvehx	0x7c00004e	memory	Load Vector Element Half Word Indexed
ldux	0x7c00006a	memory	Load Doubleword with Update Indexed
dcbst	0x7c00006c	memory	Data Cache Block Store
lwzux	0x7c00006e	memory	Load Word and Zero with Update Indexed
cntlzdx	0x7c000074	integer	Count Leading Zeros Doubleword
andcx	0x7c000078	integer	AND with Complement
td	0x7c000088	branch	Trap Doubleword
lvewx	0x7c00008e	memory	Load Vector Element Word Indexed
mfmsr	0x7c0000a6	control	Move from Machine State Register
ldarx	0x7c0000a8	memory	Load Doubleword and Reserve Indexed
dcbf	0x7c0000ac	memory	Data Cache Block Flush
lbzx	0x7c0000ae	memory	Load Byte and Zero Indexed
lvx	0x7c0000ce	memory	Load Vector Indexed
lbzux	0x7c0000ee	memory	Load Byte and Zero with Update Indexed
norx	0x7c0000f8	integer	NOR
stvebx	0x7c00010e	memory	Store Vector Element Byte Indexed
mtmsr	0x7c000124	control	Move to Machine State Register
stdx	0x7c00012a	memory	Store Doubleword Indexed
stwcx	0x7c00012d	memory	Store Word Conditional Indexed
stwx	0x7c00012e	memory	Store Word Indexed
stvehx	0x7c00014e	memory	Store Vector Element Half Word Indexed
mtmsrd	0x7c000164	control	Move to Machine State Register Doubleword
stdux	0x7c00016a	memory	Store Doubleword with Update Indexed
stwux	0x7c00016e	memory	Store Word with Update Indexed
stvewx	0x7c00018e	memory	Store Vector Element Word Indexed
stdcx	0x7c0001ad	memory	Store Doubleword Conditional Indexed
stbx	0x7c0001ae	memory	Store Byte Indexed
stvx	0x7c0001ce	memory	Store Vector Indexed
dcbtst	0x7c0001ec	memory	Data Cache Block Touch for Store
stbux	0x7c0001ee	memory	Store Byte with Update Indexed
dcbt	0x7c00022c	memory	Data Cache Block Touch
lhzx	0x7c00022e	memory	Load Half Word and Zero Indexed
eqvx	0x7c000238	integer	Equivalent
lhzux	0x7c00026e	memory	Load Half Word and Zero with Update Indexed
xorx	0x7c000278	integer	XOR
lwax	0x7c0002aa	memory	Load Word Algebraic Indexed
lhax	0x7c0002ae	memory	Load Half Word Algebraic Indexed
lvxl	0x7c0002ce	memory	Load Vector Indexed LRU
lwaux	0x7c0002ea	memory	Load Word Algebraic with Update Indexed
lhaux	0x7c0002ee	memory	Load Half Word Algebraic with Update Indexed
sthx	0x7c00032e	memory	Store Half Word Indexed
orcx	0x7c000338	integer	OR with Complement
sthux	0x7c00036e	memory	Store Half Word with Update Indexed
orx	0x7c000378	integer	OR
dcbi	0x7c0003ac	memory	Data Cache Block Invalidate
nandx	0x7c0003b8	integer	NAND
stvxl	0x7c0003ce	memory	Store Vector Indexed LRU
mcrxr	0x7c000400	control	Move to Condition Register from XER
lvlx	0x7c00040e	memory	Load Vector Left Indexed
ldbrx	0x7c000428	memory	Load Doubleword Byte-Reverse Indexed
lswx	0x7c00042a	memory	Load String Word Indexed
lwbrx	0x7c00042c	memory	Load Word Byte-Reverse Indexed
lfsx	0x7c00042e	memory	Load Floating-Point Single Indexed
srwx	0x7c000430	integer	Shift Right Word
srdx	0x7c000436	integer	Shift Right Doubleword
lvrx	0x7c00044e	memory	Load Vector Right Indexed
lfsux	0x7c00046e	memory	Load Floating-Point Single with Update Indexed
lswi	0x7c0004aa	memory	Load String Word Immediate
sync	0x7c0004ac	integer	Synchronize
lfdx	0x7c0004ae	memory	Load Floating-Point Double Indexed
lfdux	0x7c0004ee	memory	Load Floating-Point Double with Update Indexed
stvlx	0x7c00050e	memory	Store Vector Left Indexed
stdbrx	0x7c000528	memory	Store Doubleword Byte-Reverse Indexed
stswx	0x7c00052a	memory	Store String Word Indexed
stwbrx	0x7c00052c	memory	Store Word Byte-Reverse Indexed
stfsx	0x7c00052e	memory	Store Floating-Point Single Indexed
stvrx	0x7c00054e	memory	Store Vector Right Indexed
stfsux	0x7c00056e	memory	Store Floating-Point Single with Update Indexed
stswi	0x7c0005aa	memory	Store String Word Immediate
stfdx	0x7c0005ae	memory	Store Floating-Point Double Indexed
stfdux	0x7c0005ee	memory	Store Floating-Point Double with Update Indexed
lvlxl	0x7c00060e	memory	Load Vector Left Indexed LRU
lhbrx	0x7c00062c	memory	Load Half Word Byte-Reverse Indexed
srawx	0x7c000630	integer	Shift Right Algebraic Word
sradx	0x7c000634	integer	Shift Right Algebraic Doubleword
lvrxl	0x7c00064e	memory	Load Vector Right Indexed LRU
srawix	0x7c000670	integer	Shift Right Algebraic Word Immediate
eieio	0x7c0006ac	integer	Enforce In-Order Execution of I/O
stvlxl	0x7c00070e	memory	Store Vector Left Indexed LRU
sthbrx	0x7c00072c	memory	Store Half Word Byte-Reverse Indexed
extshx	0x7c000734	integer	Extend Sign Half Word
stvrxl	0x7c00074e	memory	Store Vector Right Indexed LRU
extsbx	0x7c000774	integer	Extend Sign Byte
icbi	0x7c0007ac	memory	Instruction Cache Block Invalidate
stfiwx	0x7c0007ae	memory	Store Floating-Point as Integer Word Indexed
extswx	0x7c0007b4	integer	Extend Sign Word
fcmpu	0xfc000000	fpu	Floating Compare Unordered
frspx	0xfc000018	fpu	Floating Round to Single
fctiwx	0xfc00001c	fpu	Floating Convert to Integer Word
fctiwzx	0xfc00001e	fpu	Floating Convert to Integer Word with Round Toward Zero
fcmpo	0xfc000040	fpu	Floating Compare Ordered
mtfsb1x	0xfc00004c	control	Move to FPSCR Bit 1
fnegx	0xfc000050	fpu	Floating Negate
mcrfs	0xfc000080	control	Move to Condition Register from FPSCR
mtfsb0x	0xfc00008c	control	Move to FPSCR Bit 0
fmrx	0xfc000090	fpu	Floating Move Register
mtfsfix	0xfc00010c	control	Move to FPSCR Field Immediate
fnabsx	0xfc000110	fpu	Floating Negative Absolute Value
fabsx	0xfc000210	fpu	Floating Absolute Value
mffsx	0xfc00048e	control	Move from FPSCR
fctidx	0xfc00065c	fpu	Floating Convert to Integer Doubleword
fctidzx	0xfc00065e	fpu	Floating Convert to Integer Doubleword with Round Toward Zero
fcfidx	0xfc00069c	fpu	Floating Convert From Integer Doubleword