On Mon, Jan 16, 2006 at 12:43:13PM -0500, Richard Kenner wrote: > Only if you assume a "cross" compiler and a true native compiler > generate different code. I certainly hope that isn't the case. > > Why not? It's a pretty strong statement to assume they generate *exactly* the > same code under all circumstances and it seems unnecessary. All we require > is that they both generate *correct* code. It's perfectly reasonable for the > optimizers to behave slightly differently in host and cross configurations, > such as in what they fold. Clearly, it's advantageous to minimize these > differences, and we do that, but I think having to reduce them to zero > is too strong a requirement, especially since it's so easy to avoid > starting a bootstrap with a cross-compiler.
As a heavy debugger of cross compilers I strongly disagree with this sentiment. Host dependencies of any sort are a bug. -- Daniel Jacobowitz CodeSourcery
