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i965/fs: Invalidate live intervals when compacting; don't fix them.

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When compacting the list of VGRFs, we patch up the live interval ranges
(which are indexed by VGRF number).  Unfortunately, once we make
per-component data available, this will become too complicated to
maintain.  Instead, simply invalidate them.

This was pulled out of a patch by Eric Anholt.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2013-08-06 18:37:19 -07:00 • committed by Eric Anholt
parent 939b0f2c2f
commit 3ea84beb16
1 changed files with 1 additions and 4 deletions
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5
src/mesa/drivers/dri/i965/brw_fs.cpp
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@ -1501,10 +1501,7 @@ fs_visitor::compact_virtual_grfs()
if (remap_table[i] != -1) {
remap_table[i] = new_index;
virtual_grf_sizes[new_index] = virtual_grf_sizes[i];
if (live_intervals_valid) {
virtual_grf_start[new_index] = virtual_grf_start[i];
virtual_grf_end[new_index] = virtual_grf_end[i];
}
invalidate_live_intervals();
++new_index;
}
}