diff options
| author | Matt Turner <mattst88@gmail.com> | 2014-04-09 14:04:10 -0700 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2014-04-11 15:27:46 -0700 |
| commit | 509b2a652305836947bc59bc07616f71cc202c5a (patch) | |
| tree | f1d16f8256b66deabeaf6c3218e13e52de2c0a50 | |
| parent | 7e034a8d778a918854c4b4d5cbe205f1f31e7ece (diff) | |
i965/fs: Reset reg_from when we can't coalesce.
Not setting this would prevented coalescing after a failed attempt if
the sources for both MOVs were the same.
total instructions in shared programs: 1654531 -> 1650224 (-0.26%)
instructions in affected programs: 423167 -> 418860 (-1.02%)
GAINED: 2
LOST: 0
Reviewed-by: Eric Anholt <eric@anholt.net>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp index 6e30d16816d..4e3b611197a 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp @@ -162,6 +162,7 @@ fs_visitor::register_coalesce() if (!can_coalesce_vars(live_intervals, &instructions, inst, var_to[i], var_from[i])) { can_coalesce = false; + reg_from = -1; break; } } |