----- Original Message ----- > On Sep 11, 2013, at 3:29 PM, Hal Finkel < [email protected] > wrote: > > > > > > ----- Original Message ----- > > > ----- Original Message ----- > > > Hal — > > Am I understanding this correctly: > > vector4float x; > vector4int16 y = (vector4int16)x; // this is a conversion > vector4int32 z = (vector4int32)x; // this is a bitcast > > This seems confusing in the extreme. > > On the other hand, I don't really like the implied int-to-float > bitcast semantics. Maybe it would be better to just add a warning > for this case. What do you think? > > bitcast semantics for vector casts are an essential tool for SIMD > programming. Essentially all warnings generated would be false > positives.
Do you specifically mean in OpenCL, or generally? (I've worked on SIMD special function implementations, so I understand the utility). -Hal > > > – Steve -- Hal Finkel Assistant Computational Scientist Leadership Computing Facility Argonne National Laboratory _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
