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PowerISA Opcode Map

Reverse lookup instructions by their hexadecimal encoding.

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Opcode Mnemonic Syntax Format Name
0xFC00001C fctiw. fctiw. FRT,FRB X-form Floating Convert with round Double-Precision To Signed Word format (Record)
0xFC00011C fctiwu fctiwu FRT,FRB X-form Floating Convert with round Double-Precision To Unsigned Word format
0xFC00011E fctiwuz fctiwuz[.] FRT,FRB X-form Floating Convert with truncate Double-Precision To Unsigned Word format
0xFC00001E fctiwz fctiwz FRT, FRB X-form Floating Convert to Integer Word with Round to Zero
0xFC000024 fdiv. fdiv. FC,FA,FB XO-form Floating Point Divide Record
0xEC000024 fdivs fdivs FRT,FRA,FRB XO-form Floating Point Divide Single Precision
0xFC00003A fmadd fmadd FRT,FRA,FRC,FRB A-form Floating Multiply-Add
0xFC00003A fmadd. fmadd. FRT,FRA,FRC,FRB A-form Floating Multiply-Add (Record)
0xFC000090 fmr fmr FRT,FRB X-form Floating Move Register
0xFC000090 fmr. fmr. FRT,FRB X-form Floating Move Register (Record)
0xFC00078C fmrgew fmrgew FRT,FRA,FRB X-form Floating Merge Even Word
0xFC000038 fmsub fmsub FRT, FRA, FRC, FRB A-form Floating Multiply-Subtract
0xFC000032 fmul fmul FRT,FRA,FRC A-form Floating Multiply
0xFC000032 fmul. fmul. FRT,FRA,FRC A-form Floating Multiply (Record)
0xFC000110 fnabs fnabs FRT, FRB X-form Floating Negative Absolute Value
0xFC000050 fneg fneg FRT, FRB X-form Floating Negate
0xFC00003E fnmadd fnmadd FRT,FRA,FRC,FRB A-form Floating Negative Multiply-Add
0xFC00003E fnmadd. fnmadd. FRT,FRA,FRC,FRB A-form Floating Negative Multiply-Add (Record)
0xFC00003C fnmsub fnmsub FRT, FRA, FRC, FRB A-form Floating Negative Multiply-Subtract
0xFC000030 fre fre FRT,FRB A-form Floating Reciprocal Estimate
0xFC000030 fre. fre. FRT,FRB A-form Reciprocal Estimate
0xEC000030 fres fres FRT, FRB A-form Floating Reciprocal Estimate Single
0xFC000310 frin frin FRT,FRB X-form Floating Round to Integer Nearest
0xFC000310 frin. frin. FRT,FRB X-form Floating Round to Integer Nearest (Record)
0xFC000390 frip frip FRT,FRB X-form Floating Round to Integer Plus
0xFC000390 frip. frip. FRT,FRB X-form Floating Round to Integer Plus (Record)
0xFC000018 frsp frsp FRT,FRB X-form Floating Round to Single-Precision
0xFC000018 frsp. frsp. FRT,FRB X-form Floating Round to Single-Precision (Record)
0xFC000034 frsqrte frsqrte FRT,FRB A-form Floating Reciprocal Square Root Estimate
0xFC000034 frsqrte. frsqrte. FRT,FRB A-form Floating Reciprocal Square Root Estimate (Record)
0xEC000034 frsqrtes frsqrtes FRT, FRB A-form Floating Reciprocal Square Root Estimate Single
0xFC00002E fsel fsel FRT,FRA,FRC,FRB A-form Floating Select
0xFC00002E fsel. fsel. FRT,FRA,FRC,FRB A-form Floating Select (Record)
0xFC00002C fsqrt fsqrt FRT,FRB X-form Floating Square Root
0xFC00002C fsqrt. fsqrt. FRT,FRB X-form Floating Square Root (Record)
0xEC00002C fsqrts fsqrts FRT, FRB X-form Floating Square Root Single
0xFC000100 ftdiv ftdiv BF, FRA, FRB X-form Float Test for Divide
0xFC000140 ftsqrt ftsqrt BF, FRB X-form Float Test for Square Root
0x7C0005E4 hashchk hashchk RA X-form Hash Check
0x7C000564 hashchkp hashchkp RA X-form Hash Check Privileged
0x7C0005A4 hashst hashst RA X-form Hash Store
0x7C000524 hashstp hashstp RA X-form Hash Store Privileged
0x4C000224 hrfid hrfid XL-form Hypervisor Return From Interrupt Doubleword
0x7C0007AC icbi icbi RA, RB X-form Instruction Cache Block Invalidate
0x7C0001CC icblc icblc CT, RA, RB X-form Instruction Cache Block Lock Clear
0x7C00002C icbt icbt RA, RB X-form Instruction Cache Block Touch
0x7C00078E iccci iccci RA, RB X-form Instruction Cache Congruence Class Invalidate
0x7C0007CE icread icread RA, RB X-form Instruction Cache Read
0x7C00001E isel isel RT, RA, RB, BC A-form Integer Select
0x4C00012C isync isync XL-form Instruction Synchronize
0x7C000068 lbarx lbarx RT,RA,RB,EH X-form Load Byte And Reserve Indexed
0x88000000 lbz lbz RT, D(RA) D-form Load Byte and Zero
0x7C0006AA lbzcix lbzcix RT,RA,RB X-form Load Byte and Zero Caching Inhibited Indexed
0x7C00003E lbzepx lbzepx RT, RA, RB X-form Load Byte and Zero External Process ID Indexed
0x8C000000 lbzu lbzu RT,D(RA) D-form Load Byte and Zero with Update D-form
0x7C0000EE lbzux lbzux RT,RA,RB X-form Load Byte and Zero with Update Indexed X-form
0xE8000000 ld ld RT, DS(RA) DS-form Load Doubleword
0x7C0000A8 ldarx ldarx RT,RA,RB,EH X-form Load Doubleword and Reserve Indexed
0x7C0004CC ldat ldat RT,RA,RB X-form Load Doubleword Atomic
0x7C000428 ldbrx ldbrx RT, RA, RB X-form Load Doubleword Byte-Reverse Indexed
0x7C0006EB ldci ldci RT, RA, RB X-form Load Doubleword Caching Inhibited
0xC8000000 lfd lfd FRT,D(RA) D-form Load Floating-Point Double D-form
0xE4000000 lfdp lfdp FRTp,disp(RA) DS-form Load Floating-Point Double Pair
0xCC000000 lfdu lfdu FRT,D(RA) D-form Load Floating-Point Double with Update
0xC0000000 lfs lfs FRT,D(RA) D-form Load Floating-Point Single D-form
0xC4000000 lfsu lfsu FRT,D(RA) X-form Load Floating-Point Single with Update Indexed
0x7C00042E lfsx lfsx FT,RA,RB X-form Load Floating-Point Single Indexed X-form
0xA8000000 lha lha RT, D(RA) D-form Load Halfword Algebraic
0x7C0000E8 lharx lharx RT, RA, RB X-form Load Halfword And Reserve Indexed
0x7C0002AE lhax lhax RT,RA,RB X-form Load Halfword Algebraic Indexed X-form
0x7C00062C lhbrx lhbrx RT, RA, RB X-form Load Halfword Byte-Reverse Indexed
0xA0000000 lhz lhz RT, D(RA) D-form Load Halfword and Zero
0x7C0006EA lhzci lhzci RT, RA, RB X-form Load Halfword and Zero Caching Inhibited
0x7C0000BE lhzepx lhzepx RT, RA, RB X-form Load Halfword and Zero External Process ID Indexed
0xA4000000 lhzu lhzu RT,D(RA) D-form Load Halfword and Zero with Update D-form
0x38000000 li li RT, SIM D-form Load Immediate
0x3C000000 lis lis RT, SIM D-form Load Immediate Shifted
0xB8000000 lmw lmw RT, D(RA) D-form Load Multiple Word
0xE0000000 lq lq RTp, DQ(RA) DQ-form Load Quadword
0x7C000228 lqarx lqarx RTp, RA, RB X-form Load Quadword And Reserve Indexed
0x7C0004AA lswi lswi RT, RA, NB X-form Load String Word Immediate
0x7C00042A lswx lswx RT, RA, RB X-form Load String Word Indexed
0x7C00000E lvebx lvebx VRT,RA,RB X-form Load Vector Element Byte Indexed
0x7C00004E lvehx lvehx VX,RA,RB X-form Load Vector Element Halfword Indexed X-form
0x7C00008E lvewx lvewx VRT,RA,RB X-form Load Vector Element Word Indexed
0x7C00000C lvsl lvsl VRT,RA,RB X-form Load Vector for Shift Left Indexed
0x7C0000CE lvx lvx vD, RA, RB X-form Load Vector Indexed
0xE8000002 lwa lwa RT, DS(RA) DS-form Load Word Algebraic
0x7C000028 lwarx lwarx EH=0 RT,RA,D X-form Load Word and Reserve Indexed
0x7C00048C lwat lwat RT,RA,FC X-form Load Word Atomic
0x7C0002AA lwax lwax RT,RA,RB X-form Load Word Algebraic Indexed X-form
0x7C00042C lwbrx lwbrx RT, RA, RB X-form Load Word Byte-Reverse Indexed
0x7C000628 lwdi lwdi RT, RA, RB X-form Load Word with Decoration Indexed
0x7C2004AC lwsync lwsync Pseudo Lightweight Synchronize (Pseudo)
0x80000000 lwz lwz RT, D(RA) D-form Load Word and Zero
0x7C0006AB lwzci lwzci RT, RA, RB X-form Load Word and Zero Caching Inhibited
0x7C00007E lwzepx lwzepx RT, RA, RB X-form Load Word and Zero External Process ID Indexed
0xE4000002 lxsd lxsd VRT,disp(RA) DS-form Load VSX Scalar Doubleword
0x7C000498 lxsdx lxsdx XT,RA,RB X-form Load VSX Scalar Doubleword Indexed
0x7C00061A lxsibzx lxsibzx XT,RA,RB X-form Load VSX Scalar as Integer Byte & Zero Indexed X-form