[Bug 82828] Regression: Crash in 3Dmark2001

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82828

--- Comment #13 from Tom Stellard <tstellar at gmail.com> ---
(In reply to comment #12)
> Created attachment 105630 [details] [review]
> another debugging patch
> 
> Ok, it looks like the problem is that node 0's q_total is bogus, which means
> it never even gets considered for optimistic coloring. To help me figure out
> why this is, can you apply this patch to master (not on top of the other
> patch) and tell me the output of the piglit test now?

On (In reply to comment #12)
> Created attachment 105630 [details] [review]
> another debugging patch
> 
> Ok, it looks like the problem is that node 0's q_total is bogus, which means
> it never even gets considered for optimistic coloring. To help me figure out
> why this is, can you apply this patch to master (not on top of the other
> patch) and tell me the output of the piglit test now?

I'm not sure if this matters, but r300g pre-allocates the input registers
before calling ra_allocate_no_spills().

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