diff options
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 23 |
2 files changed, 11 insertions, 19 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c7c1e86..6f80ac0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ 2017-05-02 Bin Cheng <bin.cheng@arm.com> + * tree-ssa-loop-ivopts.c (get_computation_cost_at): Remove pseudo + iv_cand code. + (determine_group_iv_cost_cond, determine_iv_cost): Ditto. + (iv_ca_set_no_cp, create_new_iv): Ditto. + +2017-05-02 Bin Cheng <bin.cheng@arm.com> + * rtlanal.c (rtx_cost): Handle TRUNCATE between tieable modes. 2017-05-02 Xi Ruoyao <ryxi@stu.xidian.edu.cn> diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 4fc35fa..9312849 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -4845,10 +4845,6 @@ get_computation_cost_at (struct ivopts_data *data, if (depends_on) *depends_on = NULL; - /* Only consider real candidates. */ - if (!cand->iv) - return infinite_cost; - cbase = cand->iv->base; cstep = cand->iv->step; ctype = TREE_TYPE (cbase); @@ -5568,8 +5564,6 @@ determine_group_iv_cost_cond (struct ivopts_data *data, enum tree_code comp = ERROR_MARK; struct iv_use *use = group->vuses[0]; - gcc_assert (cand->iv); - /* Try iv elimination. */ if (may_eliminate_iv (data, use, cand, &bound, &comp)) { @@ -5898,11 +5892,7 @@ determine_iv_cost (struct ivopts_data *data, struct iv_cand *cand) unsigned cost, cost_step; tree base; - if (!cand->iv) - { - cand->cost = 0; - return; - } + gcc_assert (cand->iv != NULL); /* There are two costs associated with the candidate -- its increment and its initialization. The second is almost negligible for any loop @@ -6123,9 +6113,7 @@ iv_ca_set_no_cp (struct ivopts_data *data, struct iv_ca *ivs, if (ivs->n_cand_uses[cid] == 0) { bitmap_clear_bit (ivs->cands, cid); - /* Do not count the pseudocandidates. */ - if (cp->cand->iv) - ivs->n_regs--; + ivs->n_regs--; ivs->n_cands--; ivs->cand_cost -= cp->cand->cost; @@ -6189,9 +6177,7 @@ iv_ca_set_cp (struct ivopts_data *data, struct iv_ca *ivs, if (ivs->n_cand_uses[cid] == 1) { bitmap_set_bit (ivs->cands, cid); - /* Do not count the pseudocandidates. */ - if (cp->cand->iv) - ivs->n_regs++; + ivs->n_regs++; ivs->n_cands++; ivs->cand_cost += cp->cand->cost; @@ -7076,8 +7062,7 @@ create_new_iv (struct ivopts_data *data, struct iv_cand *cand) struct iv_group *group; bool after = false; - if (!cand->iv) - return; + gcc_assert (cand->iv != NULL); switch (cand->pos) { |