mfspr extended mnemonics for PowerPC®
mfspr Extended Mnemonics for PowerPC®
| Extended Mnemonic | Equivalent to | Privileged | SPR Name |
|---|---|---|---|
| mfxer rt | mfspr rt,1 | no | XER |
| mflr rt | mfspr rt,8 | no | LR |
| mfctr rt | mfspr rt,9 | no | CTR |
| mfdsisr rt | mfspr rt,18 | yes | DSISR |
| mfdar rt | mfspr rt,19 | yes | DAR |
| mfdec rt | mfspr rt,22 | yes | DEC |
| mfsdr1 rt | mfspr rt,25 | yes | SDR1 |
| mfsrr0 rt | mfspr rt,26 | yes | SRR0 |
| mfsrr1 rt | mfspr rt,27 | yes | SRR1 |
| mfsprg rt,0 | mfspr rt,272 | yes | SPRG0 |
| mfsprg rt,1 | mfspr rt,273 | yes | SPRG1 |
| mfsprg rt,2 | mfspr rt,274 | yes | SPRG2 |
| mfsprg rt,3 | mfspr rt,275 | yes | SPRG3 |
| mfear rt | mfspr rt,282 | yes | EAR |
| mfpvr rt | mfspr rt,287 | yes | PVR |
| mfibatu rt,0 | mfspr rt,528 | yes | IBAT0U |
| mfibatl rt,1 | mfspr rt,529 | yes | IBAT0L |
| mfibatu rt,1 | mfspr rt,530 | yes | IBAT1U |
| mfibatl rt,1 | mfspr rt,531 | yes | IBAT1L |
| mfibatu rt,2 | mfspr rt,532 | yes | IBAT2U |
| mfibatl rt,2 | mfspr rt,533 | yes | IBAT2L |
| mfibatu rt,3 | mfspr rt,534 | yes | IBAT3U |
| mfibatl rt,3 | mfspr rt,535 | yes | IBAT3L |
| mfdbatu rt,0 | mfspr rt,536 | yes | DBAT0U |
| mfdbatl rt,0 | mfspr rt,537 | yes | DBAT0L |
| mfdbatu rt,1 | mfspr rt,538 | yes | DBAT1U |
| mfdbatl rt,1 | mfspr rt,539 | yes | DBAT1L |
| mfdbatu rt,2 | mfspr rt,540 | yes | DBAT2U |
| mfdbatl rt,2 | mfspr rt,541 | yes | DBAT2L |
| mfdbatu rt,3 | mfspr rt,542 | yes | DBAT3U |
| mfdbatl rt,3 | mfspr rt,543 | yes | DBAT3L |
Note: The mfdec instruction is a privileged instruction in
PowerPC®. The encoding for this instruction in PowerPC® differs from
that in POWER® family. See the mfspr (Move from Special-Purpose
Register) Instruction for information on this instruction. Differences
between POWER® family and PowerPC® Instructions with the Same Op Code
provides a summary of the differences for this instruction for POWER®
family and PowerPC®.