The pass is disabled in SIMD16 dispatch mode for the same reason, it
cannot handle instructions that write multiple MRF registers at once.
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 2528876..6d541bf 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -3076,7 +3076,7 @@ fs_visitor::remove_duplicate_mrf_writes()
bool progress = false;
/* Need to update the MRF tracking for compressed instructions. */
- if (dispatch_width == 16)
+ if (dispatch_width >= 16)
return false;
memset(last_mrf_move, 0, sizeof(last_mrf_move));
--
2.7.3
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