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CDP and CDP2
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| Home > ARM and Thumb Instructions > CDP and CDP2 | |||
Coprocessor data operations.
Syntaxop{cond}coproc, #opcode1,CRd,CRn,CRm{, #opcode2}
where:
opis either
CDPorCDP2.condis an optional condition code. In ARM code,
condCDP2.coprocis the name of the coprocessor the instruction is for. The standard name is
p, wherennopcode1is a 4-bit coprocessor-specific opcode.
opcode2is an optional 3-bit coprocessor-specific opcode.
CRd,CRn,CRmare coprocessor registers.
The use of these instructions depends on the coprocessor. See the coprocessor documentation for details.
The CDP ARM instruction is available in all versions
of the ARM architecture.
The CDP2 ARM instruction is available in ARMv5T
and above.
These 32-bit Thumb instructions are available in ARMv6T2 and above.
There are no 16-bit Thumb versions of these instructions.
- Reference
| Copyright © 2011-2012 ARM. All rights reserved. | ARM DUI 0588B |
| Non-Confidential | ID062912 |
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