Search all intrinsics
SIMD ISAReturn TypeNameArgumentsInstruction Group
Neonint8x16_tvmulq_s8(int8x16_t a, int8x16_t b)Vector arithmetic / Multiply / Multiplication
Description
Multiply (vector). This instruction multiplies corresponding elements in the vectors of the two source SIMD&FP registers, places the results in a vector, and writes the vector to the destination SIMD&FP register.
Results
Vd.16B result
This intrinsic compiles to the following instructions:

MUL Vd.16B,Vn.16B,Vm.16B

Argument Preparation
a register: Vn.16Bb register: Vm.16B
Architectures
v7, A32, A64

Operation

CheckFPAdvSIMDEnabled64();
bits(datasize) operand1 = V[n];
bits(datasize) operand2 = V[m];
bits(datasize) result;
bits(esize) element1;
bits(esize) element2;
bits(esize) product;

for e = 0 to elements-1
    element1 = Elem[operand1, e, esize];
    element2 = Elem[operand2, e, esize];
    if poly then
        product = PolynomialMult(element1, element2)<esize-1:0>;
    else
        product = (UInt(element1) * UInt(element2))<esize-1:0>;
    Elem[result, e, esize] = product;

V[d] = result;