Instruction Overview
| (OR)
General Form
dest_reg = src_reg_0 | src_reg_1
Syntax
Dreg = Dreg | Dreg ;
Syntax Terminology
:
Dreg
R7–0
Instruction Length
In the syntax, comment (a) identifies 16-bit instruction length.
Functional Description
The OR instruction performs a 32-bit, bit-wise logical OR operation on
the two source registers and stores the results into the
The instruction does not implicitly modify the source registers. The
and one
dest_reg
itly modifies the
Flags Affected
The OR instruction affects flags as follows.
•
is set if the final result is zero, cleared if nonzero.
AZ
•
is set if the result is negative, cleared if non-negative.
AN
12-6
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
/* (a) */
can be the same D-register. This would explic-
src_reg
.
src_reg
.
dest_reg
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