diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 19 |
2 files changed, 15 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index be69bec..f4a6480 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2017-05-02 Bin Cheng <bin.cheng@arm.com> + * tree-ssa-loop-ivopts.c (get_scaled_computation_cost_at): Delete + parameter cand. Update dump information. + (get_computation_cost): Update uses. + +2017-05-02 Bin Cheng <bin.cheng@arm.com> + * tree-ssa-loop-ivopts.c (get_computation_aff_1): New. (get_computation_aff): Reorder parameters. Use get_computation_aff_1. (get_computation_at, rewrite_use_address): Update use of diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index 90392ce..7caa40d 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -4810,12 +4810,11 @@ get_loop_invariant_expr (struct ivopts_data *data, tree ubase, } /* Scale (multiply) the computed COST (except scratch part that should be - hoisted out a loop) by header->frequency / AT->frequency, - which makes expected cost more accurate. */ + hoisted out a loop) by header->frequency / AT->frequency, which makes + expected cost more accurate. */ static comp_cost -get_scaled_computation_cost_at (ivopts_data *data, gimple *at, iv_cand *cand, - comp_cost cost) +get_scaled_computation_cost_at (ivopts_data *data, gimple *at, comp_cost cost) { int loop_freq = data->current_loop->header->frequency; int bb_freq = gimple_bb (at)->frequency; @@ -4826,9 +4825,9 @@ get_scaled_computation_cost_at (ivopts_data *data, gimple *at, iv_cand *cand, = cost.scratch + (cost.cost - cost.scratch) * bb_freq / loop_freq; if (dump_file && (dump_flags & TDF_DETAILS)) - fprintf (dump_file, "Scaling iv_use based on cand %d " + fprintf (dump_file, "Scaling cost based on bb prob " "by %2.2f: %d (scratch: %d) -> %d (%d/%d)\n", - cand->id, 1.0f * bb_freq / loop_freq, cost.cost, + 1.0f * bb_freq / loop_freq, cost.cost, cost.scratch, scaled_cost, bb_freq, loop_freq); cost.cost = scaled_cost; @@ -5024,7 +5023,7 @@ get_computation_cost (struct ivopts_data *data, struct iv_use *use, mem_mode, TYPE_ADDR_SPACE (TREE_TYPE (utype)), speed, stmt_is_after_inc, can_autoinc); - return get_scaled_computation_cost_at (data, at, cand, cost); + return get_scaled_computation_cost_at (data, at, cost); } /* Otherwise estimate the costs for computing the expression. */ @@ -5032,7 +5031,7 @@ get_computation_cost (struct ivopts_data *data, struct iv_use *use, { if (ratio != 1) cost += mult_by_coeff_cost (ratio, TYPE_MODE (ctype), speed); - return get_scaled_computation_cost_at (data, at, cand, cost); + return get_scaled_computation_cost_at (data, at, cost); } /* Symbol + offset should be compile-time computable so consider that they @@ -5052,7 +5051,7 @@ get_computation_cost (struct ivopts_data *data, struct iv_use *use, if (aratio != 1) cost += mult_by_coeff_cost (aratio, TYPE_MODE (ctype), speed); - return get_scaled_computation_cost_at (data, at, cand, cost); + return get_scaled_computation_cost_at (data, at, cost); fallback: if (can_autoinc) @@ -5069,7 +5068,7 @@ fallback: cost = comp_cost (computation_cost (comp, speed), 0); - return get_scaled_computation_cost_at (data, at, cand, cost); + return get_scaled_computation_cost_at (data, at, cost); } /* Determines cost of computing the use in GROUP with CAND in a generic |