Otherwise there's nothing to do.
---
src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 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 4e3b611..f6d9b68 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_register_coalesce.cpp
@@ -170,6 +170,8 @@ fs_visitor::register_coalesce()
if (!can_coalesce)
continue;
+ progress = true;
+
for (int i = 0; i < src_size; i++) {
if (mov[i]) {
mov[i]->opcode = BRW_OPCODE_NOP;
@@ -215,17 +217,17 @@ fs_visitor::register_coalesce()
reg_from = -1;
}
- foreach_list_safe(node, &this->instructions) {
- fs_inst *inst = (fs_inst *)node;
+ if (progress) {
+ foreach_list_safe(node, &this->instructions) {
+ fs_inst *inst = (fs_inst *)node;
- if (inst->opcode == BRW_OPCODE_NOP) {
- inst->remove();
- progress = true;
+ if (inst->opcode == BRW_OPCODE_NOP) {
+ inst->remove();
+ }
}
- }
- if (progress)
invalidate_live_intervals();
+ }
return progress;
}
--
1.8.3.2
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