On Feb 5, 2008, at 11:41 AM, Evan Cheng wrote: > With or without... Right, I agree. The f.e. should do this unconditionally,
-Chris > > > On Feb 5, 2008, at 11:39 AM, Chris Lattner wrote: > >> >> 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 > > _______________________________________________ > llvm-commits mailing list > llvm-commits@cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
