On Feb 5, 2008, at 11:37 AM, Evan Cheng wrote: >> That means you have to know whether you've got SSE4.1 in the FE. >> This is not an insuperable obstacle, but I think it's better to leave >> target >> dependencies in the BE when possible. > > Even with SSE4.1, it's a good idea to lower them to extract element > instructions. X86ISelLoweringhas all the information necessary to > determine what instructions to they should be selected to.
Do you mean 'even without SSE4.1'? -Chris _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits