+2014-08-07 Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>
+
+ * haifa-sched.c (rank_for_schedule): Fix INSN_TICK-based heuristics.
+
2014-08-07 Ilya Tocar <ilya.tocar@intel.com>
* config/i386/sse.md (vec_extract_lo_<mode><mask_name>): Fix
}
if (sched_pressure != SCHED_PRESSURE_NONE
- && (INSN_TICK (tmp2) > clock_var || INSN_TICK (tmp) > clock_var))
+ && (INSN_TICK (tmp2) > clock_var || INSN_TICK (tmp) > clock_var)
+ && INSN_TICK (tmp2) != INSN_TICK (tmp))
{
- if (INSN_TICK (tmp) <= clock_var)
- return -1;
- else if (INSN_TICK (tmp2) <= clock_var)
- return 1;
- else
- return INSN_TICK (tmp) - INSN_TICK (tmp2);
+ diff = INSN_TICK (tmp) - INSN_TICK (tmp2);
+ return diff;
}
/* If we are doing backtracking in this schedule, prefer insns that
}
/* Prefer instructions that occur earlier in the model schedule. */
- if (sched_pressure == SCHED_PRESSURE_MODEL)
+ if (sched_pressure == SCHED_PRESSURE_MODEL
+ && INSN_BB (tmp) == target_bb && INSN_BB (tmp2) == target_bb)
{
- int diff;
-
diff = model_index (tmp) - model_index (tmp2);
if (diff != 0)
return diff;