[Bug 91857] Mesa 10.6.3 linker is slow

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91857

--- Comment #28 from Kenneth Graunke <kenneth at whitecape.org> ---
(In reply to Ilia Mirkin from comment #27)
> Happened upon this bug while browsing, briefly looked into it. Running that
> shader_test on my i7-4790:
> 
> nouveau/nvc0: 17840 instructions, 0.88 seconds
> i965/hsw: 16567 instructions, 72 seconds

Yeah, so that pretty much proves that it's the i965 register allocator not
handling spilling decently.

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