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-rw-r--r--src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp12
1 files changed, 8 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp b/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
index b552cf8baf6..40b5715cccd 100644
--- a/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
+++ b/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
@@ -879,7 +879,8 @@ fs_instruction_scheduler::calculate_deps()
} else if (inst->dst.is_accumulator()) {
add_dep(last_accumulator_write, n);
last_accumulator_write = n;
- } else if (inst->dst.file != BAD_FILE) {
+ } else if (inst->dst.file != BAD_FILE &&
+ !inst->dst.is_null()) {
add_barrier_deps(n);
}
@@ -1005,7 +1006,8 @@ fs_instruction_scheduler::calculate_deps()
}
} else if (inst->dst.is_accumulator()) {
last_accumulator_write = n;
- } else if (inst->dst.file != BAD_FILE) {
+ } else if (inst->dst.file != BAD_FILE &&
+ !inst->dst.is_null()) {
add_barrier_deps(n);
}
@@ -1112,7 +1114,8 @@ vec4_instruction_scheduler::calculate_deps()
} else if (inst->dst.is_accumulator()) {
add_dep(last_accumulator_write, n);
last_accumulator_write = n;
- } else if (inst->dst.file != BAD_FILE) {
+ } else if (inst->dst.file != BAD_FILE &&
+ !inst->dst.is_null()) {
add_barrier_deps(n);
}
@@ -1199,7 +1202,8 @@ vec4_instruction_scheduler::calculate_deps()
last_fixed_grf_write = n;
} else if (inst->dst.is_accumulator()) {
last_accumulator_write = n;
- } else if (inst->dst.file != BAD_FILE) {
+ } else if (inst->dst.file != BAD_FILE &&
+ !inst->dst.is_null()) {
add_barrier_deps(n);
}