28.2.44 __builtin_mpy_16

Description

16-bit multiply into an accumulator.

Example:

volatile register int Accum asm("A");
int16_t a,b;

Accum = __builtin_mpy_16(a,b);

Prototype

int __builtin_mpy_16(int16_t a, int16_t b);

Arguments

a - left hand side of multiply

b - right hand side of multiply

Return Value

Returns the multiplication result a*b  into an accumulator.

Machine Instruction

mpy

Error Messages:

None.