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-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp12
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp3
2 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 19dbf418df9..17f4435a1ac 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -2910,6 +2910,10 @@ fs_visitor::propagate_constants()
{
bool progress = false;
+ /* Need to update the MRF tracking for compressed instructions. */
+ if (c->dispatch_width == 16)
+ return false;
+
calculate_live_intervals();
foreach_iter(exec_list_iterator, iter, this->instructions) {
@@ -3171,6 +3175,10 @@ fs_visitor::compute_to_mrf()
bool progress = false;
int next_ip = 0;
+ /* Need to update the MRF tracking for compressed instructions. */
+ if (c->dispatch_width == 16)
+ return false;
+
calculate_live_intervals();
foreach_iter(exec_list_iterator, iter, this->instructions) {
@@ -3302,6 +3310,10 @@ fs_visitor::remove_duplicate_mrf_writes()
fs_inst *last_mrf_move[16];
bool progress = false;
+ /* Need to update the MRF tracking for compressed instructions. */
+ if (c->dispatch_width == 16)
+ return false;
+
memset(last_mrf_move, 0, sizeof(last_mrf_move));
foreach_iter(exec_list_iterator, iter, this->instructions) {
diff --git a/src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp b/src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp
index bff8f82f3f7..400452d71f8 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_schedule_instructions.cpp
@@ -463,6 +463,9 @@ fs_visitor::schedule_instructions()
fs_inst *next_block_header = (fs_inst *)instructions.head;
instruction_scheduler sched(this, mem_ctx, this->virtual_grf_next);
+ if (c->dispatch_width == 16)
+ return;
+
while (!next_block_header->is_tail_sentinel()) {
/* Add things to be scheduled until we get to a new BB. */
while (!next_block_header->is_tail_sentinel()) {