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-rw-r--r--src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp25
1 files changed, 5 insertions, 20 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp b/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
index 46b45a5ea01..98fa5e3117f 100644
--- a/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
+++ b/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp
@@ -783,26 +783,13 @@ schedule_node::schedule_node(backend_instruction *inst,
void
instruction_scheduler::add_insts_from_block(bblock_t *block)
{
- /* Removing the last instruction from a basic block removes the block as
- * well, so put a NOP at the end to keep it alive.
- */
- if (!block->end()->is_control_flow()) {
- backend_instruction *nop = new(mem_ctx) backend_instruction();
- nop->opcode = BRW_OPCODE_NOP;
- block->end()->insert_after(block, nop);
- }
-
- foreach_inst_in_block_safe(backend_instruction, inst, block) {
- if (inst->opcode == BRW_OPCODE_NOP || inst->is_control_flow())
- continue;
-
+ foreach_inst_in_block(backend_instruction, inst, block) {
schedule_node *n = new(mem_ctx) schedule_node(inst, this);
- this->instructions_to_schedule++;
-
- inst->remove(block);
instructions.push_tail(n);
}
+
+ this->instructions_to_schedule = block->end_ip - block->start_ip + 1;
}
/** Recursive computation of the delay member of a node. */
@@ -1463,7 +1450,6 @@ void
instruction_scheduler::schedule_instructions(bblock_t *block)
{
const struct brw_device_info *devinfo = bs->devinfo;
- backend_instruction *inst = block->end();
time = 0;
if (!post_reg_alloc)
reg_pressure = reg_pressure_in[block->num];
@@ -1482,7 +1468,8 @@ instruction_scheduler::schedule_instructions(bblock_t *block)
/* Schedule this instruction. */
assert(chosen);
chosen->remove();
- inst->insert_before(block, chosen->inst);
+ chosen->inst->exec_node::remove();
+ block->instructions.push_tail(chosen->inst);
instructions_to_schedule--;
if (!post_reg_alloc) {
@@ -1551,8 +1538,6 @@ instruction_scheduler::schedule_instructions(bblock_t *block)
}
}
- if (block->end()->opcode == BRW_OPCODE_NOP)
- block->end()->remove(block);
assert(instructions_to_schedule == 0);
block->cycle_count = time;