On 28/02/17 14:36, Ard Biesheuvel wrote: > The accelerated CRC32 module for ARM may use either the scalar CRC32 > instructions, the NEON 64x64 to 128 bit polynomial multiplication > (vmull.p64) instruction, or both, depending on what the current CPU > supports. > > However, this also requires support in binutils, and as it turns out, > versions of binutils exist that support the vmull.p64 instruction but > not the crc32 instructions. > > So refactor the Makefile logic so that this module only gets built if > binutils has support for both. > > Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> Thanks! Acked-by: Jon Hunter <jonathanh@xxxxxxxxxx> Tested-by: Jon Hunter <jonathanh@xxxxxxxxxx> Cheers Jon -- nvpublic
