[PATCH] #pragma vectorize
Tyler Nowicki
tnowicki at apple.com
Mon Apr 28 16:53:40 PDT 2014
Hi Alexander,
Thanks for the review. I’ve updated the patch with your most of your suggestions.
Please review the updated patch.
> Do you plan to support substitution of integer template parameters into pragma? Here is example:
> >cat ploop.cpp
> template <int VLEN> void while_test(int *List, int Length) {
> int i = 0;
> #pragma loop vectorize(VLEN)
> while(i < Length) {
> List[i] = i*2;
> i++;
> }
> }
> int main() {
> int L[100];
> while_test<4> (L, 100);
> return 0;
> }
I considered this, it is not currently supported. I’m not sure if it makes sense. Lets leave this as a topic of future work for now.
>
> ParsePragma.cpp:1619: // Read '('
> This looks like a good place to use BalancedDelimiterTracker for parsing '(' and ')’.
I don’t think it is needed. It isn’t used by any other #pragma directives and the syntax here is rather simple. What do you think would be the benefit?
Tyler
-------------- next part --------------
A non-text attachment was scrubbed...
Name: pragma_loop-svn.patch
Type: application/octet-stream
Size: 33450 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20140428/05d3c1fe/attachment.obj>
More information about the cfe-commits
mailing list