IBM PowerPC 405GP User Manual

D-Form .................................................................................................................................................. A-44
X-Form .................................................................................................................................................. A-45
XL-Form ................................................................................................................................................ A-45
XFX-Form ............................................................................................................................................. A-46
XO-Form ................................................................................................................................................ A-46
M-Form ................................................................................................................................................. A-46
B. Instructions by Category ................................................................................................. B-1
Implementation-Specific Instructions ............................................................................................................... B-1
Instructions in the IBM PowerPC Embedded Environment .............................................................................. B-5
Privileged Instructions ...................................................................................................................................... B-7
Assembler Extended Mnemonics .................................................................................................................... B-9
Storage Reference Instructions ..................................................................................................................... B-29
Arithmetic and Logical Instructions ................................................................................................................ B-33
Condition Register Logical Instructions .......................................................................................................... B-37
Branch Instructions ................................................... ~ .................................................................................... B-38
Comparison Instructions ................................................................................................................................ B-39
Rotate and Shift Instructions .......................................................................................................................... B-40
Cache Control Instructions ............................................................................................................................. B-41
Interrupt Control Instructions .......................................................................................................................... B-42
Processor Management Instructions ............................................................................................................. B-42
C. Code Optimization and Instruction Timings .................................................................. C-1
Code Optimization Guidelines ........................................................................................................................ C-1
Condition Register Bits for Boolean Variables ........................................................................................... C-1
CR Logical Instruction for Compound Branches ........................................................................................ C-1
Floating-Point Emulation .......................................................... : ................................................................. C-1
Cache Usage... ....................... ...... ................. .......... ...... ....... ....... ..... ..................... ... ............. ........ ........ ..... C-2
CR Dependencies .... .............. ........ ... ... ............. ....... ... ............................... ........ ... ........... ..... ......... ............ C-2
Branch Prediction ................. .......... ...... ....................... ............................ ......... ........... ..... .................. ........ C-2
Alignment ... ......... ................ ........... ...... ....................... ............................. .......... .............. ........ .......... ........ C-2
Instruction Timings .......................................................................................................................................... C-3
General Rules .. ...... .......... .................. ......... ....... ............................... .............. ............ ..... .................. ..... ... C-3
Branches ...... ... .................. .... ..... ....... ............ ..... .................... ......... ............................ ........ ....... ............ .... C-3
Multiplies ......... ................... ....... ...... ................ ....................... ..... .......... .......... ............ ........ ....... ............ .... C-4
Scalar Load Instructions ............................................................................................................................. C-5
Scalar Store Instructions ..... ........... ...... .................... ... .......... ..................... ........... ......................... ............ C-5
Alignment in Scalar Load and Store Instructions ........ ......... .................... .......... .............. .......................... C-5
String and Multiple Instructions .................................................................................................................. C-6
Loads and Store Misses ... ............ ..... ..... ..... .......... ...... ....................... ..... ........ ..... ....... .... ................... ........ C-6
Instruction Cache Misses .. ......... ....... .......... ........ ................................ .... ........ ..... ....... ..... .................. ........ C-7
Index ........................................................................................................................................ X-1
Preliminary Contents
xxvii

IBM PowerPC 405GP Specifications

General

Brand	IBM
Model	PowerPC 405GP
Category	Computer Hardware
Language	English