On Thu, Sep 18, 2014 at 2:19 PM, Alan Lawrence alan.lawre...@arm.com wrote:
For reduction operations (e.g. multiply) that don't have such a tree code
,or where the target platform doesn't define an optab handler for the tree
code, we can perform the reduction using a series of log(N) shifts
For reduction operations (e.g. multiply) that don't have such a tree code ,or
where the target platform doesn't define an optab handler for the tree code, we
can perform the reduction using a series of log(N) shifts (where N = #elements
in vector), using the VEC_RSHIFT_EXPR=whole-vector-shift
