MultiplyAddPairs is implemented using VMULL+VPADD. MultiplyHighSigned/Unsigned is implemented using VMULL+VSHRN. SubVectorLoad/Store is implemented using VLDR/VLD1/VSTR/VST1. VectorPackSigned/Unsigned is implemented using two VQMOVN. Bug b/37496078 Bug b/37496856 Bug b/37496321 Bug b/37496082 Change-Id: I141fd901d53da24ce780f503dc7ad17b94fc6ba8 Reviewed-on: https://chromium-review.googlesource.com/693049Reviewed-by: Jim Stichnoth <stichnot@chromium.org> Reviewed-on: https://swiftshader-review.googlesource.com/12709Reviewed-by: Nicolas Capens <nicolascapens@google.com> Tested-by: Nicolas Capens <nicolascapens@google.com>
