On 05/17/2011 09:10 AM, Tom de Vries wrote: > Hi Zdenek, > > I have a patch set for for PR45098. > > 01_object-size-target.patch > 02_pr45098-rtx-cost-set.patch > 03_pr45098-computation-cost.patch > 04_pr45098-iv-init-cost.patch > 05_pr45098-bound-cost.patch > 06_pr45098-bound-cost.test.patch > 07_pr45098-nowrap-limits-iterations.patch > 08_pr45098-nowrap-limits-iterations.test.patch > 09_pr45098-shift-add-cost.patch > 10_pr45098-shift-add-cost.test.patch > > I will sent out the patches individually. >
OK for trunk? Thanks, - Tom
2011-05-05 Tom de Vries <t...@codesourcery.com> * tree-ssa-loop-ivopts.c (determine_iv_cost): Prevent cost_base.cost == 0. Index: gcc/tree-ssa-loop-ivopts.c =================================================================== --- gcc/tree-ssa-loop-ivopts.c (revision 173380) +++ gcc/tree-ssa-loop-ivopts.c (working copy) @@ -4688,6 +4688,8 @@ determine_iv_cost (struct ivopts_data *d base = cand->iv->base; cost_base = force_var_cost (data, base, NULL); + if (cost_base.cost == 0) + cost_base.cost = COSTS_N_INSNS (1); cost_step = add_cost (TYPE_MODE (TREE_TYPE (base)), data->speed); cost = cost_step + adjust_setup_cost (data, cost_base.cost);
