[Bug 106669] Android build fails to link: undefined reference to 'tiled_to_linear'
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Sat May 26 16:44:42 UTC 2018
https://bugs.freedesktop.org/show_bug.cgi?id=106669
Bug ID: 106669
Summary: Android build fails to link: undefined reference to
'tiled_to_linear'
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Keywords: bisected, regression
Severity: normal
Priority: medium
Component: Drivers/DRI/i965
Assignee: scott.d.phillips at intel.com
Reporter: mark.a.janes at intel.com
QA Contact: intel-3d-bugs at lists.freedesktop.org
drivers/dri/i965/intel_mipmap_tree.c:3194: error: undefined reference to
'tiled_to_linear'
Bisected to:
d21c086d819d78fb3f6abcbb14aa492970f442aa
Author: Scott D Phillips <scott.d.phillips at intel.com>
i965/tiled_memcpy: inline movntdqa loads in tiled_to_linear
The reference for MOVNTDQA says:
For WC memory type, the nontemporal hint may be implemented by
loading a temporary internal buffer with the equivalent of an
aligned cache line without filling this data to the cache.
[...] Subsequent MOVNTDQA reads to unread portions of the WC
cache line will receive data from the temporary internal
buffer if data is available.
This hidden cache line sized temporary buffer can improve the
read performance from wc maps.
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