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authorBill Schmidt <wschmidt@linux.vnet.ibm.com>2017-08-22 17:32:26 +0000
committerWilliam Schmidt <wschmidt@gcc.gnu.org>2017-08-22 17:32:26 +0000
commit65d3dce8e80d0a697d63c92abfde078a11e37e64 (patch)
tree7bd5a8c89e8a944692ebd11c33f6ee68b3b8092b /gcc/print-rtl-function.c
parent03a9562184454fe5395e30b8a3429c4570979d86 (diff)
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re PR tree-optimization/81488 (gcc goes off the limits allocating memory in gimple-ssa-strength-reduction.c)
2017-08-22 Bill Schmidt <wschmidt@linux.vnet.ibm.com> PR tree-optimization/81488 * gimple-ssa-strength-reduction (struct slsr_cand_d): Add visited and cached_basis fields. (MAX_SPREAD): New constant. (alloc_cand_and_find_basis): Initialize new fields. (clear_visited): New function. (create_phi_basis_1): Rename from create_phi_basis, set visited and cached_basis fields. (create_phi_basis): New wrapper function. (phi_add_costs_1): Rename from phi_add_costs, add spread parameter, set visited field, short-circuit when limits reached. (phi_add_costs): New wrapper function. (record_phi_increments_1): Rename from record_phi_increments, set visited field. (record_phi_increments): New wrapper function. (phi_incr_cost_1): Rename from phi_incr_cost, set visited field. (phi_incr_cost): New wrapper function. (all_phi_incrs_profitable_1): Rename from all_phi_incrs_profitable, set visited field. (all_phi_incrs_profitable): New wrapper function. From-SVN: r251286
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