604e Instructions Cycles
so when you see instructions don't panic :))
Integer Instructions Interger Arithmetic Instructions Interger Compare Instructions Integer Logical Instructions Integer Rotate Instructions Integer Shift Instructions Integer Store Instructions Integer Load and Store with Byte-Reverse Instructions Integer Load and Store Multiple Instructions Integer Load and Store String Instructions Floating-Point Instructions Floating-Point Arithmetic Instructions Floating-Point Multiply-Add Instructions Floating-Point Rounding and Conversion Instructions Floating-Point Compare Instructions Floating-Point Status and Control Register Instructions Floating-Point Move Instructtions Floating-Point Load Instructions Floating-Point Store Instructions Branch and Flow Control Instructions Branch Instructions Condition Register Logical Instructions Some Others :) Trap Instructions Move to/from Condition Register Intstructions Memory Synchronisation Instructions VEA Instructions Processor Control Instructions Memory Synchronisation Instructions User-Level Cache Instructions External Control Instructions OEA Instructions System Linkage Instructions Move to/from Machine State Register Instructions Move to/from Special-Purpose Register Instructions Memory Control Instructions Supervisor-Level Cache Management Instructions Segment Register Manipulation Instructions Translation lookaside Buffer Management Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| addi | SCIU | 1 | - |
| addis | SCIU | 1 | - |
| add (add. addo addo.) | SCIU | 1 | - |
| subf (subf. subfo subfo.) | SCIU | 1 | - |
| addic | SCIU | 1 | - |
| addic. | SCIU | 1 | - |
| subfic | SCIU | 1 | - |
| addc (addc. addco addco.) | SCIU | 1 | - |
| subfc (subfc. subfco subfco.) | SCIU | 1 | - |
| adde (adde. addeo addeo.) | SCIU | 1 | Execute |
| subfe (subfe. subfeo subfeo.) | SCIU | 1 | Execute |
| addme (addme. addmeo addmeo.) | SCIU | 1 | Execute |
| subfme (subfme. subfmeo subfmeo) | SCIU | 1 | Execute |
| addze (addze. addzeo addzeo.) | SCIU | 1 | Execute |
| subfze (subfze subfzeo subfzeo.) | SCIU | 1 | Execute |
| neg (neg. nego nego.) | SCIU | 1 | - |
| mulli | MCIU | 3 | - |
| mullw (mullw. mullwo mullwo.) | MCIU | 4(3) | - |
| mulhw (mulhw.) | MCIU | 4(3) | - |
| mulhwu (mulhwu.) | MCIU | 4(3) | - |
| divw (divw. divwo divwo.) | MCIU | 20 | - |
| divwu (divwu. divwuo divwuo.) | MCIU | 20 | - |
Integer Compare Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| cmpi | SCIU | 1 | - |
| cmp | SCIU | 1 | - |
| cmpli | SCIU | 1 | - |
| cmpl | SCIU | 1 | - |
Integer Logical Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| andi. | SCIU | 1 | - |
| andis. | SCIU | 1 | - |
| ori | SCIU | 1 | - |
| oris | SCIU | 1 | - |
| xori | SCIU | 1 | - |
| xoris | SCIU | 1 | - |
| and (and.) | SCIU | 1 | - |
| or (or.) | SCIU | 1 | - |
| xor (xor.) | SCIU | 1 | - |
| nand (nand.) | SCIU | 1 | - |
| nor (nor.) | SCIU | 1 | - |
| eqv (eqv.) | SCIU | 1 | - |
| andc (andc.) | SCIU | 1 | - |
| orc (orc.) | SCIU | 1 | - |
| extsb (extsb.) | SCIU | 1 | - |
| extsh (extsh.) | SCIU | 1 | - |
| cntlzw (cntlzw.) | SCIU | 1 | - |
Integer Rotate Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| rlwinm (rlwinm.) | SCIU | 1 | - |
| rlwnm (rlwnm.) | SCIU | 1 | - |
| rlwimi (rlwimi.) | SCIU | 1 | - |
Integer Shift Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| slw (slw.) | SCIU | 1 | - |
| srw (srw.) | SCIU | 1 | - |
| srawi (srawi.) | SCIU | 1 | - |
| sraw (sraw.) | SCIU | 1 | - |
Integer Load Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| lbz | LSU | 2 | - |
| lbzx | LSU | 2 | - |
| lbzu | LSU | 2 | - |
| lbzux | LSU | 2 | - |
| lhz | LSU | 2 | - |
| lhzx | LSU | 2 | - |
| lhzu | LSU | 2 | - |
| lhzux | LSU | 2 | - |
| lha | LSU | 2 | - |
| lhax | LSU | 2 | - |
| lhau | LSU | 2 | - |
| lhaux | LSU | 2 | - |
| lwz | LSU | 2 | - |
| lwzx | LSU | 2 | - |
| lwzu | LSU | 2 | - |
| lwzux | LSU | 2 | - |
Integer Store Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| stb | LSU | 3 | Execute |
| stbx | LSU | 3 | Execute |
| stbu | LSU | 3 | Execute |
| stbux | LSU | 3 | Execute |
| sth | LSU | 3 | Execute |
| sthx | LSU | 3 | Execute |
| sthu | LSU | 3 | Execute |
| sthux | LSU | 3 | Execute |
| stw | LSU | 3 | Execute |
| stwx | LSU | 3 | Execute |
| stwu | LSU | 3 | Execute |
| stwux | LSU | 3 | Execute |
Integer Load and Store with Byte-Reverse Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| lhbrx | LSU | 2 | - |
| lwbrx | LSU | 2 | - |
| sthbrx | LSU | 3 | Execute |
| stwbrx | LSU | 3 | Execute |
Integer Load and Store Multiple Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| lmw | LSU | 2+n | String/Multiple |
| stmw | LSU | 2+n | String/Multiple |
of cycles plus a variable number of cyles where 'n' is the number of
words accessed by the instruction
Integer Load and Store String Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| lswi | LSU | 2(n)+2 | String/Multiple |
| lswx | LSU | 2(n)+2 | String/Multiple |
| stswi | LSU | 2+n | String/Multiple |
| stswx | LSU | 2+n | String/Multiple |
of cycles plus a variable number of cyles where 'n' is the number of
words accessed by the instruction
Floating Point Arithmetic Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| fadd (fadd.) | FPU | 3 | - |
| fadds (fadds.) | FPU | 3 | - |
| fsub (fsub.) | FPU | 3 | - |
| fsubs (fsubs.) | FPU | 3 | - |
| fmul (fmul.) | FPU | 3 | - |
| fmuls (fmuls.) | FPU | 3 | - |
| fdiv (fdiv.) | FPU | 32 | FP Empty |
| fdivs (fdivs.) | FPU | 18 | FP Empty |
| fres (fres.) | FPU | 18 | FP Empty |
| frsqrte (frsqte.) | FPU | 3 | - |
| fsel (fsel.) | FPU | 3 | - |
Floating Point Multiply-Add Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| fmadd (fmadd.) | FPU | 3 | - |
| fmadds (fmadds.) | FPU | 3 | - |
| fmsub (fmsub.) | FPU | 3 | - |
| fmsubs (fmsubs.) | FPU | 3 | - |
| fnmadd (fnmadd.) | FPU | 3 | - |
| fnmadds (fnmadds.) | FPU | 3 | - |
| fnmsub (fnmsub.) | FPU | 3 | - |
| fnmsubs (fnmsubs.) | FPU | 3 | - |
Floating Point Rounding and Conversion Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| frsp (frsp.) | FPU | 3 | - |
| fctiw (fctiw.) | FPU | 3 | - |
| fctiwz (fctiwz.) | FPU | 3 | - |
Floating Point Compare Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| fcmpu | FPU | 3 | - |
| fcmpo | FPU | 3 | - |
Floating Point Status and Control Register Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| mffs (mffs.) | FPU | 3 | - |
| mcrfs | FPU | 3 | - |
| mtfsfi (mtfsfi.) | FPU | 3 | - |
| mtfsf (mtfsf.) | FPU | 3 | - |
| mtfsb0 (mtfsb0.) | FPU | 3 | - |
| mtfsb1 (mtfsb1.) | FPU | 3 | - |
Floating Point Move Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| fmr (fmr.) | FPU | 3 | - |
| fneg (fneg.) | FPU | 3 | - |
| fabs (fabs.) | FPU | 3 | - |
| fnabs (fnabs.) | FPU | 3 | - |
Floating-Point Load Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| lfs | LSU | 3 | - |
| lfsx | LSU | 3 | - |
| lfsu | LSU | 3 | - |
| lfsux | LSU | 3 | - |
| lfd | LSU | 3 | - |
| lfdx | LSU | 3 | - |
| lfdu | LSU | 3 | - |
| lfdux | LSU | 3 | - |
Floating-Point Store Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| stfs | LSU | 3 | Execute |
| stfsx | LSU | 3 | Execute |
| stfsu | LSU | 3 | Execute |
| stfsux | LSU | 3 | Execute |
| stfd | LSU | 3 | Execute |
| stfdx | LSU | 3 | Execute |
| stfdu | LSU | 3 | Execute |
| stfdux | LSU | 3 | Execute |
| stfiwx | LSU | 3 | Execute |
Branch Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| b (ba bl bla) | BPU | 1 | - |
| bc (bca bcl bcla) | BPU | 1 | - |
| bclr (bclrl) | BPU | 1 | - |
| bcctr (bcctrl) | BPU | 1 | - |
Condition Register Logical Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| crand | BPU | 1 | Execute |
| cror | BPU | 1 | Execute |
| crxor | BPU | 1 | Execute |
| crnand | BPU | 1 | Execute |
| crnor | BPU | 1 | Execute |
| creqv | BPU | 1 | Execute |
| crandc | BPU | 1 | Execute |
| crorc | BPU | 1 | Execute |
| mcrf | BPU | 1 | Execute |
Condition Register Logical Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| twi | SCIU | 1 | - |
| tw | SCIU | 1 | - |
Move to/from Condition Register Instructions
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| mtcrf (0/multiple bit) | MCIU | 1 | Dispatch/Execute |
| mtcrf (single bit) | SCIU | 1 | - |
| mcrxr | MCIU | 3 | Execute |
| mfcr | MCIU | 1 | Execute |
Memory Synchronisation Instructions (UISA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| lwarx | LSU | 3+bus | Execute |
| stwcx. | LSU | 3 | Execute |
| sync | LRU | - | - |
Processor Control Instructions (VEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| mftb | MCIU | 3 | Execute |
Memory Synchronization Instructions (VEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| eieio | LSU | - | I/O |
| isync | Completion | 1 | Postdispatch |
User-Level Cache Instructions (VEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| dcbt | LSU | - | Execute |
| dcbtst | LSU | - | Execute |
| dcbz | LSU | 3 | Execute |
| dcbst | LSU | - | Execute |
| dcbf | LSU | - | Execute |
| Icbi | LSU | - | - |
External Control Instructions (VEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| eciwx | LSU | 2+bus | Execute |
| ecowx | LSU | 3+bus | Execute |
System Linkage Instructions (OEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| sc | Completion | - | Postdispatch |
| rfi | Completion | - | Dispatch |
Move to/from Machine State Register Instructions (OEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| mtmsr | MCIU | 1 | Execute |
| mfmsr | MCIU | 3 | Execute |
Move to/from Special-Purpose Register Instructions (OEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| mtspr (LR/CTR) | MCIU | 1 | Dispatch |
| mtspr (XER) | MCIU | 1 | Complete |
| mtspr (others) | MCIU | 1 | Execute |
| mfspr (LR/CTR) | MCIU | 3 | Execute |
| mfspr (others) | MCIU | 3 | Execute |
Memory Control Instructions (OEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| dcbi | LSU | 3 | Execute |
Translation Lookaside Buffer Management Instructions (OEA)
| Name | Unit | Cycle | Serialization |
|---|---|---|---|
| tlbie | LSU | - | Execute |
| tlbsync | LSU | - | - |