[PATCH][polly] Support for generating vectors for loads with -1 stride
tobias at grosser.es
Tue Mar 18 23:10:00 PDT 2014
On 03/19/2014 01:45 AM, Chris Jenneisch wrote:
> Hi Tobi,
> Thanks for the comments, I have attached the updated patch.
>>> diff --git a/include/polly/CodeGen/BlockGenerators.h
>>> index 077236d..487521f 100644
>>> --- a/include/polly/CodeGen/BlockGenerators.h
>>> +++ b/include/polly/CodeGen/BlockGenerators.h
>>> @@ -265,7 +265,14 @@ private:
>>> /// %vector_ptr= bitcast double* %p to <4 x double>*
>>> /// %vec_full = load <4 x double>* %vector_ptr
>>> - Value *generateStrideOneLoad(const LoadInst *Load, ValueMapT &BBMap);
>>> + /// @param Direction This is used to indicate a -1 stride. In such
>>> + /// a case we load the end of a base address and
>>> + /// shuffle the accesses in reverse order into the
>>> + /// vector. By default we would do only positive
>>> + /// strides.
>> Maybe use 'bool NegativeStride' instead of Direction.
You missed this one.
After it is good to commit. Can you commit it yourself or should I
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