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We might want to make physical registers negative and virtuals positive, or vice versa. Then FirstVirtualRegister is 0 or 1, and we could get rid of those annoying subtractions of FirstVirtualRegister all over the virtual-register-handling passes. Since 0 is used all over the place as "invalid register" it is probably best to leave this alone, let FirstVirtualRegister be 1, and simply

On 01/07/2011 02:07 AM, Chris Lattner wrote: > > Unless your goal is to merge this work onto LLVM mainline, the best thing to do is a local hack in your tree. > > -Chris Yes, I will create a patch for my tree to increase FirstVirtualRegister. Would this be a good change to include in 2.9?

...ting stack slots. Physical registers get 1 .. 2^30-1. /jakob -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 1929 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20110109/14fb5266/attachment.bin>