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Does this depend on vreg subreg support? It sounds as if it could be vaguely related, but I'm not sure it's necessary. -- Chris On Jun 14, 2007, at 12:27 PM, Evan Cheng wrote: > The short answer is this is not currently done. LLVM register > allocator does not currently use a move to a different register class > in lieu of spills. This is definitely something we should do in

The short answer is this is not currently done. LLVM register allocator does not currently use a move to a different register class in lieu of spills. This is definitely something we should do in the future. Can you file a bugzilla enhancement request? Thanks, Evan On Jun 13, 2007, at 11:09 AM, Chris Lattner wrote: > On Tue, 12 Jun 2007, Fernando Magno Quintao Pereira wrote: >>