28.2.2 __builtin_add

Description

Add value to the accumulator specified by result with a shift specified by literal shift. For example:

 volatile register int result asm("A");
 int value;
 result = builtin_add(result,value,0);

If value is held in w0, the following will be generated:

add w0, #0, A

Prototype

int __builtin_add(int Accum,int value, const int shift);

Argument

Accum – Accumulator to add.

value – Integer number to add to accumulator value.

shift – Amount to shift resultant accumulator value.

Return Value

Returns the shifted addition result to an accumulator.

Assembler Operator/ Machine Instruction

add

Error Messages

An error message will be displayed if: