Mtcrf; Table 9-20. Fxm Bit Field Correspondence; Table 9-21. Extended Mnemonics For Mtcrf - IBM PPC440X5 CPU Core User Manual

Preliminary

mtcrf

Move to Condition Register Fields
mtcrf FXM, RS
31
0 6
4 4
mask (FXM )
0
(CR) ((RS) mask)
Some or all of the contents of register RS are placed into the CR as specified by the FXM field.
Each bit in the FXM field controls the copying of 4 bits in register RS into the corresponding bits in the CR.
The correspondence between the bits in the FXM field and the bit copying operation is shown in the following
table:

Table 9-20. FXM Bit Field Correspondence

FXM Bit Number CR Bits Affected
0
1
2
3 12:15
4 16:19
5 20:23
6 24:27
7 28:31
If instruction bit 31 contains 1, the contents of CR[CR0] are undefined.
Registers Altered
• CR
Invalid Instruction Forms
• Reserved fields

Table 9-21. Extended Mnemonics for mtcrf

Mnemonic
mtcr
instrset.fm.
September 12, 2002
RS
11 12
4
(FXM ) ... (FXM )
1 6
((CR) mask)
0:3
4:7
8:11
Operands
Move to CR.
Extended mnemonic for
RS
mtcrf 0xFF,RS
FXM
20 21
4
(FXM )
7
Function
Move to Condition Register Fields
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mtcrf
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