diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp b/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp index cd1f21e1253..3e86cb05cce 100644 --- a/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp +++ b/src/mesa/drivers/dri/i965/brw_schedule_instructions.cpp @@ -1405,18 +1405,19 @@ instruction_scheduler::schedule_instructions(bblock_t *block) instructions_to_schedule--; update_register_pressure(chosen->inst); + /* If we expected a delay for scheduling, then bump the clock to reflect + * that. In reality, the hardware will switch to another hyperthread + * and may not return to dispatching our thread for a while even after + * we're unblocked. After this, we have the time when the chosen + * instruction will start executing. + */ + time = MAX2(time, chosen->unblocked_time); + /* Update the clock for how soon an instruction could start after the * chosen one. */ time += issue_time(chosen->inst); - /* If we expected a delay for scheduling, then bump the clock to reflect - * that as well. In reality, the hardware will switch to another - * hyperthread and may not return to dispatching our thread for a while - * even after we're unblocked. - */ - time = MAX2(time, chosen->unblocked_time); - if (debug) { fprintf(stderr, "clock %4d, scheduled: ", time); bs->dump_instruction(chosen->inst); |