Download Cortex-M3/M4F Instruction Set Technical User`s Manual (Rev. A)

Cortex-M3/M4F Instruction Set
■ You must not use the cond suffix.
4.1.4
Condition Flags
If S is specified, the MUL instruction:
■ Updates the N and Z flags according to the result.
■ Does not affect the C and V flags.
4.1.5
Examples
MUL
MLA
MULS
MULLT
MLS
R10, R2, R5
R10, R2, R1, R5
R0, R2, R2
R2, R3, R2
R4, R5, R6, R7
;
;
;
;
;
Multiply, R10
Multiply with
Multiply with
Conditionally
Multiply with
= R2 x R5.
accumulate, R10 =
flag update, R0 =
multiply, R2 = R3
subtract, R4 = R7
November 04, 2011
(R2 x R1) + R5.
R2 x R2.
x R2.
- (R5 x R6).
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