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2008-08-22re PR tree-optimization/37143 (ICE in VRP with the auto-vectorizer)Richard Guenther1-1/+4
2008-08-22 Richard Guenther <rguenther@suse.de> PR tree-optimization/37143 * tree-vect-transform.c (vect_create_cond_for_align_checks): Build a conversion statement instead of a copy. * g++.dg/vect/pr37143.C: New testcase. From-SVN: r139500
2008-08-21re PR tree-optimization/37181 (FAIL: Divide_1 -O3)Richard Guenther1-2/+4
2008-08-21 Richard Guenther <rguenther@suse.de> PR tree-optimization/37181 * tree-vrp.c (extract_range_from_binary_expr): Check for NULL folding result. (extract_range_from_unary_expr): Likewise. From-SVN: r139375
2008-08-20tree-vrp.c (op_with_constant_singleton_value_range): New function.Richard Guenther1-0/+47
2008-08-20 Richard Guenther <rguenther@suse.de> * tree-vrp.c (op_with_constant_singleton_value_range): New function. (extract_range_from_binary_expr): Fall back to constant propagation. (extract_range_from_unary_expr): Likewise. * gcc.dg/tree-ssa/pr21829.c: Scan optimized and cddce2 dumps instead of phicprop2. Make sure all is fine after cddce2, add an XFAILed scan for merging the two remaining ifs. From-SVN: r139326
2008-08-20tree-vrp.c (found_in_subgraph): Remove.Richard Guenther1-132/+133
2008-08-20 Richard Guenther <rguenther@suse.de> * tree-vrp.c (found_in_subgraph): Remove. (live): New global static. (live_on_edge): New function. (blocks_visited): Remove. (register_edge_assert_for_2): Use live_on_edge. (find_conditional_asserts): Remove code dealing with found_in_subgraph. Do not walk the CFG. (find_switch_asserts): Likewise. (find_assert_locations_1): Renamed from find_assert_locations. Move finding assert locations for conditional and switch statements first. Update live bitmap. Do not walk the CFG. (find_assert_locations): New function. (insert_range_assertions): Remove entry of CFG walk. Adjust call to find_assert_locations. * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges that only can appear because of fake exit edges but assert we never try to insert on those. (fini_pre): Do not remove fake exit edges here... (execute_pre): ...but here, before committing edge inserts. * gcc.dg/tree-ssa/pr20701.c: Scan vrp1 dump. * gcc.dg/tree-ssa/ssa-dom-thread-1.c: Pass -fno-tree-vrp. * gcc.dg/tree-ssa/ssa-pre-20.c: New testcase. From-SVN: r139263
2008-08-18tree.h (IS_CONVERT_EXPR_CODE_P): Renamed toTomas Bily1-6/+3
* tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to * CONVERT_EXPR_CODE_P. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use CONVERT_EXPR_P. * tree-data-ref.c (split_constant_offset_1): Likewise. * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT. * tree-sra.c (sra_walk_expr): Likewise. * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise. * tree-ssa-loop-niter.c (expand_simple_operations): Likewise. * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P. * tree-ssa-structalias.c (find_func_aliases, find_func_aliases): * Likewise. * gimple.c (gimple_assign_unary_nop_p): Likewise. * tree-vect-transform.c (vectorizable_type_demotion) (vectorizable_type_promotion): Likewise. * tree-inline.c (expand_call_inline): * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from) (forward_propagate_addr_expr_1, forward_propagate_comparison) (tree_ssa_forward_propagate_single_use_vars): Likewise. * expr.c (expand_expr_real_1): Likewise. * tree-ssa-dom.c (hashable_expr_equal_p, * iterative_hash_hashable_expr) (gimple_assign_unary_useless_conversion_p): Likewise. * tree-stdarg.c (execute_optimize_stdarg): Likewise. * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise. * fold-const.c (fold_unary): Likewise. * tree.h (CONVERT_EXPR_P): Likewise. * tree.c (simple_cst_equal, iterative_hash_expr): Likewise. * tree-ssa-loop-im.c (rewrite_bittest): Likewise. * tree-vrp.c: (register_edge_assert_for_2, extract_range_from_unary_expr) (register_edge_assert_for_1): Likewise. * cp/tree.c (cp_tree_equal): Likewise. From-SVN: r139204
2008-08-06builtins.c (expand_builtin_profile_func): Avoid C++ keywords.Kaveh R. Ghazi1-6/+6
* builtins.c (expand_builtin_profile_func): Avoid C++ keywords. * calls.c (avoid_likely_spilled_reg): Likewise. * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise. * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise. * config/i386/i386.c (ix86_expand_special_args_builtin, ix86_secondary_reload): Likewise. * except.c (struct eh_region, gen_eh_region_catch, remove_unreachable_regions, duplicate_eh_regions, assign_filter_values, build_post_landing_pads, sjlj_find_directly_reachable_regions, remove_eh_handler, reachable_next_level, foreach_reachable_handler, can_throw_internal_1, can_throw_external_1, collect_one_action_chain): Likewise. * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise. * fold-const.c (twoval_comparison_p, eval_subst): Likewise. * function.c (update_temp_slot_address, instantiate_new_reg, instantiate_virtual_regs_in_rtx, instantiate_virtual_regs_in_insn): Likewise. * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise. * gimplify.c (gimplify_call_expr, gimplify_init_constructor, gimplify_cleanup_point_expr): Likewise. * ipa-cp.c (ipcp_lattice_changed): Likewise. * passes.c (next_pass_1): Likewise. * print-tree.c (print_node_brief, print_node): Likewise. * profile.c (branch_prob): Likewise. * tree-dump.c (dump_register): Likewise. * tree-eh.c (replace_goto_queue_cond_clause, lower_catch): Likewise. * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks, copy_statement_list, remap_gimple_op_r, copy_tree_body_r, copy_edges_for_bb, copy_cfg_body, copy_tree_r, copy_arguments_for_versioning, copy_static_chain): Likewise. * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl, add_new_name_mapping, register_new_name_mapping): Likewise. * tree-mudflap.c (mf_xform_derefs): Likewise. * tree-predcom.c (struct chain, dump_chain, replace_ref_with, get_init_expr, combine_chains): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-structalias.c (create_variable_info_for): Likewise. * tree-vrp.c (simplify_cond_using_ranges): Likewise. * tree.c (substitute_in_expr, iterative_hash_expr): Likewise. * value-prof.c (gimple_duplicate_stmt_histograms): Likewise. From-SVN: r138809
2008-07-28backport: ChangeLog.tuples: ChangeLog from gimple-tuples-branch.Richard Biener1-424/+557
2008-07-28 Richard Guenther <rguenther@suse.de> Merge from gimple-tuples-branch. * ChangeLog.tuples: ChangeLog from gimple-tuples-branch. * gimple.def: New file. * gsstruct.def: Likewise. * gimple-iterator.c: Likewise. * gimple-pretty-print.c: Likewise. * tree-gimple.c: Removed. Merged into ... * gimple.c: ... here. New file. * tree-gimple.h: Removed. Merged into ... * gimple.h: ... here. New file. * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h. * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the --enable-checking=gimple flag. * config.in: Likewise. * configure: Regenerated. * tree-ssa-operands.h: Tuplified. * tree-vrp.c: Likewise. * tree-loop-linear.c: Likewise. * tree-into-ssa.c: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-dump.c: Likewise. * tree-complex.c: Likewise. * cgraphbuild.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-pretty-print.c: Likewise. * tracer.c: Likewise. * gengtype.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-ssa-loop-unswitch.c: Likewise. * cgraph.c: Likewise. * cgraph.h: Likewise. * tree-ssa-loop-manip.c: Likewise. * value-prof.c: Likewise. * tree-ssa-loop-ch.c: Likewise. * tree-tailcall.c: Likewise. * value-prof.h: Likewise. * tree.c: Likewise. * tree.h: Likewise. * tree-pass.h: Likewise. * ipa-cp.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-scalar-evolution.h: Likewise. * target.h: Likewise. * lambda-mat.c: Likewise. * tree-phinodes.c: Likewise. * diagnostic.h: Likewise. * builtins.c: Likewise. * tree-ssa-alias-warnings.c: Likewise. * cfghooks.c: Likewise. * fold-const.c: Likewise. * cfghooks.h: Likewise. * omp-low.c: Likewise. * tree-ssa-dse.c: Likewise. * ipa-reference.c: Likewise. * tree-ssa-uncprop.c: Likewise. * toplev.c: Likewise. * tree-gimple.c: Likewise. * tree-gimple.h: Likewise. * tree-chrec.c: Likewise. * tree-chrec.h: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-sccvn.h: Likewise. * cgraphunit.c: Likewise. * tree-ssa-copyrename.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-nomudflap.c: Likewise. * tree-call-cdce.c: Likewise. * ipa-pure-const.c: Likewise. * c-format.c: Likewise. * tree-stdarg.c: Likewise. * tree-ssa-math-opts.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-nrv.c: Likewise. * tree-ssa-propagate.c: Likewise. * ipa-utils.c: Likewise. * tree-ssa-propagate.h: Likewise. * tree-ssa-alias.c: Likewise. * gimple-low.c: Likewise. * tree-ssa-sink.c: Likewise. * ipa-inline.c: Likewise. * c-semantics.c: Likewise. * dwarf2out.c: Likewise. * expr.c: Likewise. * tree-ssa-loop-ivcanon.c: Likewise. * predict.c: Likewise. * tree-ssa-loop.c: Likewise. * tree-parloops.c: Likewise. * tree-ssa-address.c: Likewise. * tree-ssa-ifcombine.c: Likewise. * matrix-reorg.c: Likewise. * c-decl.c: Likewise. * tree-eh.c: Likewise. * c-pretty-print.c: Likewise. * lambda-trans.c: Likewise. * function.c: Likewise. * langhooks.c: Likewise. * ebitmap.h: Likewise. * tree-vectorizer.c: Likewise. * function.h: Likewise. * langhooks.h: Likewise. * tree-vectorizer.h: Likewise. * ipa-type-escape.c: Likewise. * ipa-type-escape.h: Likewise. * domwalk.c: Likewise. * tree-if-conv.c: Likewise. * profile.c: Likewise. * domwalk.h: Likewise. * tree-data-ref.c: Likewise. * tree-data-ref.h: Likewise. * tree-flow-inline.h: Likewise. * tree-affine.c: Likewise. * tree-vect-analyze.c: Likewise. * c-typeck.c: Likewise. * gimplify.c: Likewise. * coretypes.h: Likewise. * tree-ssa-phiopt.c: Likewise. * calls.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree.def: Likewise. * tree-dfa.c: Likewise. * except.c: Likewise. * except.h: Likewise. * cfgexpand.c: Likewise. * tree-cfgcleanup.c: Likewise. * tree-ssa-pre.c: Likewise. * tree-ssa-live.c: Likewise. * tree-sra.c: Likewise. * tree-ssa-live.h: Likewise. * tree-predcom.c: Likewise. * lambda.h: Likewise. * tree-mudflap.c: Likewise. * ipa-prop.c: Likewise. * print-tree.c: Likewise. * tree-ssa-copy.c: Likewise. * ipa-prop.h: Likewise. * tree-ssa-forwprop.c: Likewise. * ggc-page.c: Likewise. * c-omp.c: Likewise. * tree-ssa-dce.c: Likewise. * tree-vect-patterns.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-nested.c: Likewise. * tree-ssa.c: Likewise. * lambda-code.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-inline.c: Likewise. * tree-inline.h: Likewise. * tree-iterator.c: Likewise. * tree-optimize.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-vect-transform.c: Likewise. * tree-object-size.c: Likewise. * tree-outof-ssa.c: Likewise. * cfgloop.c: Likewise. * system.h: Likewise. * tree-profile.c: Likewise. * cfgloop.h: Likewise. * c-gimplify.c: Likewise. * c-common.c: Likewise. * tree-vect-generic.c: Likewise. * tree-flow.h: Likewise. * c-common.h: Likewise. * basic-block.h: Likewise. * tree-ssa-structalias.c: Likewise. * tree-switch-conversion.c: Likewise. * tree-ssa-structalias.h: Likewise. * tree-cfg.c: Likewise. * passes.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * tree-ssa-reassoc.c: Likewise. * cfgrtl.c: Likewise. * varpool.c: Likewise. * stmt.c: Likewise. * tree-ssanames.c: Likewise. * tree-ssa-threadedge.c: Likewise. * langhooks-def.h: Likewise. * tree-ssa-operands.c: Likewise. * config/alpha/alpha.c: Likewise. * config/frv/frv.c: Likewise. * config/s390/s390.c: Likewise. * config/m32c/m32c.c: Likewise. * config/m32c/m32c-protos.h: Likewise. * config/spu/spu.c: Likewise. * config/sparc/sparc.c: Likewise. * config/i386/i386.c: Likewise. * config/sh/sh.c: Likewise. * config/xtensa/xtensa.c: Likewise. * config/stormy16/stormy16.c: Likewise. * config/ia64/ia64.c: Likewise. * config/rs6000/rs6000.c: Likewise. * config/pa/pa.c: Likewise. * config/mips/mips.c: Likewise. From-SVN: r138207
2008-07-24tree-vrp.c (infer_value_range): Ignore asm statements when looking for ↵Ian Lance Taylor1-1/+3
memory accesses for... ./: * tree-vrp.c (infer_value_range): Ignore asm statements when looking for memory accesses for -fdelete-null-pointer-checks. testsuite/: * gcc.target/i386/20080723-1.c: New test. From-SVN: r138107
2008-06-06cgraph.c: Fix typos in comments.Ralf Wildenhues1-3/+3
gcc/ * cgraph.c: Fix typos in comments. (cgraph_availability_names): Fix string typo. * fold-const.c: Fix typos in comments. (fold_binary): Fix typo in warning. * genautomata.c: Fix typos in comments. (check_presence_pattern_sets): Fix typo in local variable. (output_description): Fix typo in output. * ggc-zone.c (ggc_pch_finish): Fix typo in error message. * hwint.h: Likewise. * matrix-reorg.c (check_allocation_function): Likewise. * omega.c (smooth_weird_equations): Likewise. * auto-inc-dec.c: Fix typos in comments. * bb-reorder.c: Likewise. * builtins.c: Likewise. * c-common.c: Likewise. * c-cppbuiltin.c: Likewise. * c-parser.c: Likewise. * c-pretty-print.c: Likewise. * cfgcleanup.c: Likewise. * cfgexpand.c: Likewise. * cfghooks.c: Likewise. * cfglayout.c: Likewise. * cfgloopmanip.c: Likewise. * cgraphunit.c: Likewise. * coverage.c: Likewise. * dbxout.c: Likewise. * df-byte-scan.c: Likewise. * df-core.c: Likewise. * df-problems.c: Likewise. * df-scan.c: Likewise. * dfp.c: Likewise. * dominance.c: Likewise. * domwalk.c: Likewise. * dse.c: Likewise. * dwarf2out.c: Likewise. * emit-rtl.c: Likewise. * et-forest.c: Likewise. * function.c: Likewise. * function.h: Likewise. * gcc.c: Likewise. * gcov-io.c: Likewise. * gcov.c: Likewise. * gcse.c: Likewise. * genattrtab.c: Likewise. * ggc-page.c: Likewise. * gimplify.c: Likewise. * gthr-lynx.h: Likewise. * haifa-sched.c: Likewise. * ipa-cp.c: Likewise. * ipa-inline.c: Likewise. * ipa-prop.h: Likewise. * ipa-pure-const.c: Likewise. * ipa-struct-reorg.c: Likewise. * ipa-struct-reorg.h: Likewise. * ipa-type-escape.c: Likewise. * ipa.c: Likewise. * loop-doloop.c: Likewise. * mips-tfile.c: Likewise. * mkmap-flat.awk: Likewise. * mkmap-symver.awk: Likewise. * modulo-sched.c: Likewise. * omp-low.c: Likewise. * optabs.c: Likewise. * optabs.h: Likewise. * opts.c: Likewise. * passes.c: Likewise. * postreload-gcse.c: Likewise. * postreload.c: Likewise. * predict.c: Likewise. * pretty-print.h: Likewise. * profile.c: Likewise. * protoize.c: Likewise. * ra-conflict.c: Likewise. * real.c: Likewise. * recog.c: Likewise. * regclass.c: Likewise. * regs.h: Likewise. * reload.c: Likewise. * rtl-error.c: Likewise. * rtlanal.c: Likewise. * scan.h: Likewise. * sched-rgn.c: Likewise. * see.c: Likewise. * stmt.c: Likewise. * target.h: Likewise. * tree-dfa.c: Likewise. * tree-eh.c: Likewise. * tree-flow-inline.h: Likewise. * tree-inline.c: Likewise. * tree-into-ssa.c: Likewise. * tree-loop-distribution.c: Likewise. * tree-nested.c: Likewise. * tree-parloops.c: Likewise. * tree-pass.h: Likewise. * tree-pretty-print.c: Likewise. * tree-profile.c: Likewise. * tree-scalar-evolution.c: Likewise. * tree-sra.c: Likewise. * tree-ssa-alias-warnings.c: Likewise. * tree-ssa-ccp.c: Likewise. * tree-ssa-coalesce.c: Likewise. * tree-ssa-dom.c: Likewise. * tree-ssa-dse.c: Likewise. * tree-ssa-forwprop.c: Likewise. * tree-ssa-live.c: Likewise. * tree-ssa-live.h: Likewise. * tree-ssa-loop-im.c: Likewise. * tree-ssa-loop-ivopts.c: Likewise. * tree-ssa-loop-niter.c: Likewise. * tree-ssa-loop-prefetch.c: Likewise. * tree-ssa-phiopt.c: Likewise. * tree-ssa-phiprop.c: Likewise. * tree-ssa-sccvn.c: Likewise. * tree-ssa-ter.c: Likewise. * tree-ssa-threadupdate.c: Likewise. * tree-ssa.c: Likewise. * tree-vect-analyze.c: Likewise. * tree-vect-transform.c: Likewise. * tree-vectorizer.c: Likewise. * tree-vn.c: Likewise. * tree-vrp.c: Likewise. * tree.c: Likewise. * tree.def: Likewise. * tree.h: Likewise. * unwind-dw2-fde.c: Likewise. * unwind.inc: Likewise. * value-prof.c: Likewise. * vmsdbgout.c: Likewise. From-SVN: r136425
2008-05-31re PR tree-optimization/34244 (VRP/SCEV miscompiles Firefox)Richard Guenther1-34/+6
2008-05-31 Richard Guenther <rguenther@suse.de> PR tree-optimization/34244 * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP. (tree_expr_nonzero_warnv_p): Likewise. * tree-vrp.c (vrp_expr_computes_nonnegative): Call ssa_name_nonnegative_p. (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p. (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero, not tree_expr_nonzero_warnv_p. PR tree-optimization/36262 Revert 2007-11-29 Zdenek Dvorak <ook@ucw.cz> PR tree-optimization/34244 * tree-vrp.c (adjust_range_with_scev): Clear scev cache. (record_numbers_of_iterations): New function. (execute_vrp): Cache the numbers of iterations of loops. * tree-scalar-evolution.c (scev_reset_except_niters): New function. (scev_reset): Use scev_reset_except_niters. * tree-scalar-evolution.h (scev_reset_except_niters): Declare. From-SVN: r136237
2008-05-20tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.Richard Guenther1-3/+2
2008-05-20 Richard Guenther <rguenther@suse.de> * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure. * tree-ssa-sccvn.c (process_scc): Likewise. * tree-ssa-sink.c (execute_sink_code): Likewise. * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise. * tree-vrp.c (process_assert_insertions): Likewise. * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise. (perform_tree_ssa_dce): Likewise. * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise. (dump_dominator_optimization_stats): Likewise. * tree-vectorizer.c (vectorize_loops): Likewise. * gcc.dg/tree-ssa/ssa-sink-1.c: Adjust. * gcc.dg/tree-ssa/ssa-sink-2.c: Likewise. * gcc.dg/tree-ssa/ssa-sink-3.c: Likewise. * gcc.dg/tree-ssa/ssa-sink-4.c: Likewise. From-SVN: r135611
2008-05-09pa.c (reloc_needed): Use CASE_CONVERT.Tomas Bily1-6/+3
* config/pa/pa.c (reloc_needed): Use CASE_CONVERT. * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise. * tree-ssa-structalias.c (get_constraint_for): Likewise. * c-common.c (c_common_truthvalue_conversion): Likewise. * tree-object-size.c (compute_object_offset): Likewise. * tree-inline.c (estimate_num_insns_1): Likewise. * varasm.c (const_hash_1, compare_constant, copy_constant) (compute_reloc_for_constant, output_addressed_constants) (initializer_constant_valid_p): Likewise. * c-omp.c (check_omp_for_incr_expr): Likewise. * gimplify.c (gimplify_expr): Likewise. * c-typeck.c (c_finish_return): Likewise. * tree-vectorizer.c (supportable_widening_operation) (supportable_narrowing_operation): Likewise. * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise. * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise. * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info) (descr_info_loc): Likewise. * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. * fold-const.c (operand_equal_p, make_range, extract_muldiv_1) (fold_unary): Likewise. * builtins.c (get_pointer_alignment): Likewise. * tree-scalar-evolution.c (interpret_rhs_modify_stmt) (instantiate_parameters_1): Likewise. * tree.c (expr_align, stabilize_reference): Likewise. * tree-pretty-print.c (dump_generic_node, op_prio): Likewise. * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise. * convert.c (strip_float_extensions): Use CONVERT_EXPR_P. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * config/alpha/alpha.c (va_list_skip_additions): Likewise. * c-common.c (c_alignof_expr, check_function_arguments_recurse): Likewise. * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise. * varasm.c (initializer_constant_valid_p, output_constant): Likewise. * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from) (forward_propagate_addr_expr_1, forward_propagate_addr_expr) (forward_propagate_comparison) (tree_ssa_forward_propagate_single_use_vars): Likewise. * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise. * emit-rtl.c (component_ref_for_mem_expr) (set_mem_attributes_minus_bitpos): Likewise. * tree-ssa-phiopt.c (conditional_replacement): Likewise. * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr): Likewise. * c-typeck.c (default_function_array_conversion, build_indirect_ref) (build_function_call, pointer_diff, build_compound_expr) (c_finish_return): Likewise. * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise. * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1): Likewise. * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise. * expr.c (is_aligning_offset): Likewise. * tree-ssa-alias.c (is_escape_site): Likewise. * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes) (check_all_va_list_escapes): Likewise. * tree-ssa-loop-ivopts.c (determine_base_object) (determine_common_wider_type): Likewise. * dojump.c (do_jump): Likewise. * tree-ssa-sccvn.c (simplify_unary_expression): Likewise. * tree-gimple.c (is_gimple_cast): Likewise. * fold-const.c (decode_field_reference, ) (fold_sign_changed_comparison, fold_unary, fold_comparison) (fold_binary): Likewise. * tree-ssa-alias-warnings.c (find_alias_site_helper) (already_warned_in_frontend_p): Likewise. * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise. * tree.c (really_constant_p, get_unwidened): Likewise. * tree-ssa-loop-niter.c (expand_simple_operations): Likewise. * tree-ssa-loop-im.c (rewrite_bittest): Likewise. * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1): Likewise. * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use CONVERT_EXPR_P. (CONVERT_EXPR_P): Define. (CASE_CONVERT): Define. From-SVN: r135114
2008-05-02Rolled back the following changes made in revision 134865:Simon Baldwin1-2/+2
* c-common.h (warn_array_subscript_range): New function. * c-common.c (warn_array_subscript_range): Ditto. * tree-vrp.c (check_array_ref): Corrected code to agree with comment, ignoring only arrays of size 0 or size 1. * c-typeck.c (build_array_ref): Call warn_array_subscript_range. * testsuite/gcc.dg/Warray-bounds.c: Updated for frontend warnings, additional tests for arrays of size 0 and size 1. * testsuite/g++.dg/warn/Warray-bounds.c: Ditto. * testsuite/gcc.dg/Warray-bounds-noopt.c: New testcase. * testsuite/g++.dg/warn/Warray-bounds-noopt.c: Ditto. * typeck.c (build_array_ref): Call warn_array_subscript_range. From-SVN: r134889
2008-05-01c-common.h (warn_array_subscript_range): New function.Simon Baldwin1-2/+2
* c-common.h (warn_array_subscript_range): New function. * c-common.c (warn_array_subscript_range): Ditto. * tree-vrp.c (check_array_ref): Corrected code to agree with comment, ignoring only arrays of size 0 or size 1. * c-typeck.c (build_array_ref): Call warn_array_subscript_range. * testsuite/gcc.dg/Warray-bounds.c: Updated for frontend warnings, additional tests for arrays of size 0 and size 1. * testsuite/g++.dg/warn/Warray-bounds.c: Ditto. * testsuite/gcc.dg/Warray-bounds-noopt.c: New testcase. * testsuite/g++.dg/warn/Warray-bounds-noopt.c: Ditto. * typeck.c (build_array_ref): Call warn_array_subscript_range. From-SVN: r134865
2008-04-28re PR tree-optimization/36066 (ICE with -O1 -finline-small-functions ↵Richard Guenther1-4/+1
-ftree-vrp -funsafe-loop-optimizations) 2008-04-28 Richard Guenther <rguenther@suse.de> PR tree-optimization/36066 * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing SCEV and loop. * gcc.dg/torture/pr36066.c: New testcase. From-SVN: r134745
2008-04-24tree-flow.h (vrp_evaluate_conditional): Change signature.Rafael Avila de Espindola1-67/+34
2008-04-24 Rafael Espindola <espindola@google.com> * tree-flow.h (vrp_evaluate_conditional): Change signature. * tree-ssa-propagate.c (fold_predicate_in): Update call to vrp_evaluate_conditional. * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove. (vrp_evaluate_conditional): Split the cond argument. (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops. (simplify_stmt_for_jump_threading): Update call to vrp_evaluate_conditional. From-SVN: r134625
2008-04-23tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as unreachable case.Tomas Bily1-3/+1
* tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as unreachable case. * tree-vrp.c (extract_range_from_unary_expr): Removed unused NON_LVALUE_EXPR. * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise. * tree-ssa-structalias.c (get_constraint_for): Likewise. * tree-inline.c (estimate_num_insns_1): Likewise. * varasm.c (const_hash_1, compare_constant, copy_constant) (compute_reloc_for_constant, output_addressed_constants): Likewise. * emit-rtl.c (component_ref_for_mem_expr) (set_mem_attributes_minus_bitpos): Likewise. * expr.c (highest_pow2_factor, expand_expr_real_1, ) (is_aligning_offset): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise. * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise. * dojump.c (do_jump): Likewise. * builtins.c (get_pointer_alignment, get_memory_rtx) (integer_valued_real_p, fold_builtin_next_arg): Likewise. * tree-scalar-evolution.c (instantiate_parameters_1): Likewise. From-SVN: r134591
2008-04-18tree-vrp.c (find_case_label_index): Fix the binary search.Rafael Avila de Espindola1-69/+100
2008-04-18 Rafael Espindola <espindola@google.com> * tree-vrp.c (find_case_label_index): Fix the binary search. (find_case_label_range): New. (vrp_visit_switch_stmt): Use find_case_label_range. (simplify_switch_using_ranges): Use find_case_label_range. From-SVN: r134452
2008-04-11re PR tree-optimization/35869 (ICE in calc_dfs_tree at -O2 -gnatp after VRP ↵Richard Guenther1-14/+18
optimization) 2008-04-11 Richard Guenther <rguenther@suse.de> PR tree-optimization/35869 * tree-vrp.c (execute_vrp): Move switch statement update after jump threading. Schedule another cfg cleanup run. * gcc.c-torture/compile/pr35869.c: New testcase. From-SVN: r134197
2008-04-10tree-vrp.c (extract_range_from_binary_expr): Don't handle TRUTH_ANDIF_EXPR ↵Rafael Avila de Espindola1-7/+1
or TRUTH_ORIF_EXPR. 2008-04-10 Rafael Espindola <espindola@google.com> * gcc/tree-vrp.c (extract_range_from_binary_expr): Don't handle TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR. (extract_range_from_expr): The same. From-SVN: r134176
2008-04-06re PR middle-end/35400 (-Wtype-limits -O2 causes ICE tree check: expected ↵Richard Guenther1-1/+2
ssa_name, have addr_expr in get_value_range, at tree-vrp.c:469) 2008-04-06 Richard Guenther <rguenther@suse.de> PR tree-optimization/35400 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range information from SSA_NAMEs. * gcc.dg/torture/pr35400.c: New testcase. * g++.dg/torture/pr35400.C: Likewise. From-SVN: r133967
2008-04-03tree-vrp.c (extract_range_from_unary_expr): Handle all conversions.Richard Guenther1-55/+47
2008-04-03 Richard Guenther <rguenther@suse.de> * tree-vrp.c (extract_range_from_unary_expr): Handle all conversions. Simplify code. * gcc.dg/tree-ssa/vrp43.c: New testcase. * gcc.dg/tree-ssa/vrp44.c: Likewise. * gcc.dg/tree-ssa/vrp45.c: Likewise. From-SVN: r133866
2008-04-02re PR tree-optimization/14495 ([tree-ssa] Propagate range info into a switch ↵Richard Guenther1-4/+141
statement) 2008-04-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/14495 PR tree-optimization/34793 * tree-vrp.c (struct switch_update): New structure. (to_remove_edges, to_update_switch_stmts): New VECs. (simplify_switch_using_ranges): New function. Remove not taken case labels and edges. (simplify_stmt_using_ranges): Call it. (identify_jump_threads): Mark edges we have queued for removal so we don't thread them. (execute_vrp): Remove edges queued for removal, update SWITCH_STMT case label vector. * tree-cfg.c (group_case_labels): Deal with missing default label. (tree_verify_flow_info): Allow missing default label. * stmt.c (emit_case_bit_tests): Deal with NULL default_label. (emit_case_nodes): Likewise. (expand_case): Do not rely on the default label to be present. * expr.c (try_casesi): Deal with NULL default_label. (do_tablejump): Likewise. * gcc.dg/tree-ssa/vrp41.c: New testcase. * gcc.dg/tree-ssa/vrp42.c: Likewise. From-SVN: r133835
2008-04-02re PR tree-optimization/14495 ([tree-ssa] Propagate range info into a switch ↵Richard Guenther1-6/+144
statement) 2008-04-02 Richard Guenther <rguenther@suse.de> PR tree-optimization/14495 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle SWITCH_EXPR here ... (vrp_visit_switch_stmt): ... but here (new function). (find_case_label_index): New helper function. (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt. * gcc.dg/tree-ssa/vrp40.c: New testcase. From-SVN: r133834
2008-04-02tree-vrp.c (extract_code_and_val_from_cond): Remove.Rafael Avila de Espindola1-52/+49
2008-04-02 Rafael Espindola <espindola@google.com> * tree-vrp.c (extract_code_and_val_from_cond): Remove. (register_edge_assert_for_2): Split the cond argument. (register_edge_assert_for_1): Adjust for the change in register_edge_assert_for_2. (register_edge_assert_for): Split the cond argument. (find_switch_asserts): Adjust for the change in register_edge_assert_for. From-SVN: r133827
2008-04-01re PR tree-optimization/35787 (Revision 133680 breaks 447.dealII)Richard Guenther1-89/+186
2008-04-02 Richard Guenther <rguenther@suse.de> * tree-vrp.c (extract_range_from_assert): Make sure to not produce range min/max with TREE_OVERFOW set. If merging a anti-range and a range keep the anti-range if the range covers all values of the type. (register_edge_assert_for_2): Only allow sign-changing conversions in detecting canonical range checks. Also register an assert for the unsigned name if useful. PR tree-optimization/35787 * tree-vrp.c (vrp_val_max): New function. (vrp_val_min): Likewise. (vrp_val_is_max): Move earlier, use vrp_val_{min,max}. (vrp_val_is_min): Likewise. (supports_overflow_infinity): Use vrp_val_{min,max}. (negative_overflow_infinity): Likewise. (positive_overflow_infinity): Likewise. (is_negative_overflow_infinity): Use vrp_val_is_{min,max}. (is_positive_overflow_infinity): Likewise. (is_overflow_infinity): Likewise. (avoid_overflow_infinity): Use vrp_val_{min,max} and vrp_val_is_{min,max}. (set_and_canonicalize_value_range): Canonicalize anti-ranges to ranges if possible. Avoid empty ranges. * gcc.dg/tree-ssa/vrp38.c: New testcase. * gcc.dg/tree-ssa/vrp39.c: Likewise. From-SVN: r133808
2008-04-01tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.Rafael Avila de Espindola1-51/+69
2008-04-01 Rafael Espindola <espindola@google.com> * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New. (extract_code_and_val_from_cond): Use extract_code_and_val_from_cond_with_ops. From-SVN: r133789
2008-03-28fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.Rafael Avila de Espindola1-123/+141
2008-03-28 Rafael Espindola <espindola@google.com> * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public. (tree_binary_nonnegative_warnv_p): Make it public. (tree_single_nonnegative_warnv_p): Make it public. (tree_invalid_nonnegative_warnv_p): Make it public. (tree_unary_nonzero_warnv_p): Make it public. (tree_binary_nonzero_warnv_p): Make it public (tree_single_nonzero_warnv_p): Make it public. * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function. (extract_range_from_binary_expr): Split the expr argument. (extract_range_from_unary_expr): Split the expr argument. (extract_range_from_comparison): Split the expr argument. (extract_range_from_expr): Use the new aux functions. (vrp_evaluate_conditional_warnv): Use vrp_evaluate_conditional_warnv_with_ops. * tree.h (tree_unary_nonzero_warnv_p): Declare. (tree_binary_nonzero_warnv_p): Declare. (tree_single_nonzero_warnv_p): Declare. (tree_expr_nonzero_warnv_p): Declare. (tree_unary_nonnegative_warnv_p): Declare. (tree_binary_nonnegative_warnv_p): Declare. (tree_single_nonnegative_warnv_p): Declare. (tree_invalid_nonnegative_warnv_p): Declare. From-SVN: r133681
2008-03-28re PR tree-optimization/30317 (VRP cannot extract a range from (unsigned ↵Richard Guenther1-54/+227
int) i + 0x0ffffffff > 4) 2008-03-28 Richard Guenther <rguenther@suse.de> PR tree-optimization/30317 PR tree-optimization/30911 PR tree-optimization/34793 * tree-vrp.c (set_and_canonicalize_value_range): New function. (struct assert_locus_d): New member EXPR. (register_new_assert_for): Add EXPR parameter to support ASSERT_EXPR <name, expr OP limit>. (register_edge_assert_for_1): Adjust callers. (find_assert_locations): Likewise. (process_assert_insertions_for): Build condition from expression. (extract_range_from_assert): Handle ASSERT_EXPRs of the form ASSERT_EXPR <name, expr OP limit>. (register_edge_assert_for_2): New helper registering asserts for comparisons. Recognize range tests of the form (unsigned)i - CST1 OP CST2. (register_edge_assert_for_1): Use it. (register_edge_assert_for): Likewise. * tree.def (ASSERT_EXPR): Document extra allowed conditional expressions. (needs_overflow_infinity): Integer sub-types do not need overflow infinities. (vrp_val_is_max): The extreme values of integer sub-types are those of the base type. (vrp_val_is_min): Likewise. * gcc.dg/tree-ssa/vrp35.c: New testcase. * gcc.dg/tree-ssa/vrp36.c: Likewise. * gcc.dg/tree-ssa/vrp37.c: Likewise. From-SVN: r133680
2008-03-27fold-const.c (target.h): Include.Richard Guenther1-2/+3
2008-03-27 Richard Guenther <rguenther@suse.de> * fold-const.c (target.h): Include. (fold_comparison): Fold comparison of addresses of decls that bind locally or of constants. Consolidate address folding code. * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST results from fold_binary_to_constant. (compare_values_warnv): Likewise. * gcc.dg/fold-addr-1.c: New testcase. From-SVN: r133632
2008-03-19re PR other/35094 (RTL dump file letters hosed and partly undocumented)Jan Hubicka1-3/+5
* gcc.dg/20050811-2.c: Update dumping flags. * gcc.dg/sms-2.c: Update dumping flags. * gcc.dg/var-expand1.c: Update dumping flags. * gcc.dg/var-expand3.c: Update dumping flags. * gcc.dg/pr30957-1.c: Update dumping flags. * gcc.dg/20050811-1.c: Update dumping flags. * gcc.dg/cpp/cmdlne-dI-M.C: Do not xfail. * gcc.dg/cpp/cmdlne-dM-M.C: Do not xfail. PR other/35094 * toplev.c (decode_d_option): Handle all CPP flags. * tree-vrp.c: Update tree_pass descriptors. * regrename.c: Update tree_pass descriptors. * fwprop.c: Update tree_pass descriptors. * doc/invoke.texi: Remove documentation of dropped -d? flags. * tree-into-ssa.c: Update tree_pass descriptors. * tree-dump.c: Update tree_pass descriptors. * tree-complex.c: Update tree_pass descriptors. * tree-dump.h: Update tree_pass descriptors. * see.c: Update tree_pass descriptors. * cgraphbuild.c: Update tree_pass descriptors. * tracer.c: Update tree_pass descriptors. * tree-loop-distribution.c: Update tree_pass descriptors. * cgraph.c: Update tree_pass descriptors. * postreload-gcse.c: Update tree_pass descriptors. * postreload.c: Update tree_pass descriptors. * tree-ssa-loop-ch.c: Update tree_pass descriptors. * tree-tailcall.c: Update tree_pass descriptors. * tree-pass.h (tree_opt_pass): Rename to ... (opt_pass) ... this one; add "type" field and remove letter field. (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New. (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes, all_lowering_passes): Update declaration. * ipa-cp.c: Update tree_pass descriptors. * final.c: Update tree_pass descriptors. * omp-low.c: Update tree_pass descriptors. * tree-ssa-dse.c: Update tree_pass descriptors. * ipa-reference.c: Update tree_pass descriptors. * tree-ssa-uncprop.c: Update tree_pass descriptors. * auto-inc-dec.c: Update tree_pass descriptors. * reorg.c: Update tree_pass descriptors. * cgraphunit.c: Update tree_pass descriptors. * tree-ssa-copyrename.c: Update tree_pass descriptors. * tree-ssa-ccp.c: Update tree_pass descriptors. * df-core.c: Update tree_pass descriptors. * mode-switching.c: Update tree_pass descriptors. * tree-nomudflap.c: Update tree_pass descriptors. * modulo-sched.c: Update tree_pass descriptors. * ipa-pure-const.c: Update tree_pass descriptors. * cse.c: Update tree_pass descriptors. * web.c: Update tree_pass descriptors. * tree-stdarg.c: Update tree_pass descriptors. * tree-ssa-math-opts.c: Update tree_pass descriptors. * tree-ssa-dom.c: Update tree_pass descriptors. * tree-nrv.c: Update tree_pass descriptors. * tree-ssa-alias.c: Update tree_pass descriptors. * loop-init.c: Update tree_pass descriptors. * gimple-low.c: Update tree_pass descriptors. * ipa-inline.c: Update tree_pass descriptors. * tree-ssa-sink.c: Update tree_pass descriptors. * global.c: Update tree_pass descriptors. * ifcvt.c: Update tree_pass descriptors. * jump.c: Update tree_pass descriptors. * predict.c: Update tree_pass descriptors. * tree-ssa-loop.c: Update tree_pass descriptors. * recog.c: Update tree_pass descriptors. * dse.c: Update tree_pass descriptors. * tree-ssa-ifcombine.c: Update tree_pass descriptors. * tree-eh.c: Update tree_pass descriptors. * regmove.c: Update tree_pass descriptors. * local-alloc.c * function.c: Update tree_pass descriptors. * tree-vectorizer.c: Update tree_pass descriptors. * gcse.c: Update tree_pass descriptors. * ipa-type-escape.c: Update tree_pass descriptors. * tree-if-conv.c: Update tree_pass descriptors. * init-regs.c: Update tree_pass descriptors. * ipa.c: Update tree_pass descriptors. * tree-ssa-phiopt.c: Update tree_pass descriptors. * rtl-factoring.c: Update tree_pass descriptors. * lower-subreg.c: Update tree_pass descriptors. * bt-load.c: Update tree_pass descriptors. * tree-dfa.c: Update tree_pass descriptors. * except.c: Update tree_pass descriptors. * emit-rtl.c: Update tree_pass descriptors. * cfgexpand.c: Update tree_pass descriptors. * tree-cfgcleanup.c: Update tree_pass descriptors. * cfgcleanup.c: Update tree_pass descriptors. * tree-ssa-pre.c: Update tree_pass descriptors. * tree-sra.c: Update tree_pass descriptors. * tree-mudflap.c: Update tree_pass descriptors. * tree-ssa-copy.c: Update tree_pass descriptors. * cfglayout.c: Update tree_pass descriptors. * tree-ssa-forwprop.c: Update tree_pass descriptors. * tree-ssa-dce.c: Update tree_pass descriptors. * tree-ssa.c: Update tree_pass descriptors. * regclass.c: Update tree_pass descriptors. * integrate.c: Update tree_pass descriptors. * tree-optimize.c: Update tree_pass descriptors. * tree-ssa-phiprop.c: Update tree_pass descriptors. * tree-object-size.c: Update tree_pass descriptors. * combine.c: Update tree_pass descriptors. * tree-outof-ssa.c: Update tree_pass descriptors. * bb-reorder.c: Update tree_pass descriptors. * stack-ptr-mod.c: Update tree_pass descriptors. * var-tracking.c: Update tree_pass descriptors. * tree-profile.c: Update tree_pass descriptors. * tree-vect-generic.c: Update tree_pass descriptors. * reg-stack.c: Update tree_pass descriptors. * sched-rgn.c: Update tree_pass descriptors. * tree-ssa-structalias.c: Update tree_pass descriptors. * tree-cfg.c: Update tree_pass descriptors. * passes.c (current_pass): Update declaration. (finish_optimization_passes): Update. (all_passes, all_ipa_passes, all_lowering_passes): Update declaration. (register_one_dump_file, register_dump_files_1, next_pass_1): Update arguments. (init_optimization_passes): Update handling of new types. (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update. * ipa-struct-reorg.c: Update tree_pass descriptors. * tree-ssa-reassoc.c: Update tree_pass descriptors. * combine-stack-adj.c: Update tree_pass descriptors. * cfgrtl.c: Update tree_pass descriptors. * dce.c: Update tree_pass descriptors. * tree-ssanames.c: Update tree_pass descriptors. From-SVN: r133342
2008-02-24http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.htmlDiego Novillo1-0/+42
PR 33738 * tree-vrp.c (vrp_evaluate_conditional): With -Wtype-limits, emit a warning when comparing against a constant outside the natural range of OP0's type. * c.opt (Wtype-limits): Move ... * common.opt (Wtype-limits): ... here. testsuite/ChangeLog PR 33738 * g++.dg/warn/pr33738.C: New. From-SVN: r132591
2008-02-17re PR tree-optimization/35231 (VRP miscompiles libX11)Richard Guenther1-1/+5
2008-02-17 Richard Guenther <rguenther@suse.de> PR tree-optimization/35231 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0 if A | B != 1. * gcc.c-torture/execute/pr35231.c: New testcase. From-SVN: r132378
2008-02-05http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.htmlDiego Novillo1-42/+0
PR 33738 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738. testsuite/ChangeLog PR 33738 * g++.dg/warn/pr33738.C: Remove. From-SVN: r132124
2008-02-04http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.htmlDiego Novillo1-0/+42
PR 33738 * tree-vrp.c (vrp_evaluate_conditional): With -Wtype-limits, emit a warning when comparing against a constant outside the natural range of OP0's type. testsuite/ChangeLog PR 33738 * testsuite/g++.dg/warn/pr33738.C: New. From-SVN: r132111
2008-01-05tree-vrp.c (find_conditional_asserts): Remove redundant check that edge does ↵Zhouyi Zhou1-2/+1
not point to current bb before changing... * tree-vrp.c (find_conditional_asserts): Remove redundant check that edge does not point to current bb before changing need_assert. From-SVN: r131333
2007-11-30re PR tree-optimization/34244 (VRP/SCEV miscompiles Firefox)Zdenek Dvorak1-0/+32
PR tree-optimization/34244 * tree-vrp.c (adjust_range_with_scev): Clear scev cache. (record_numbers_of_iterations): New function. (execute_vrp): Cache the numbers of iterations of loops. * tree-scalar-evolution.c (scev_reset_except_niters): New function. (scev_reset): Use scev_reset_except_niters. * tree-scalar-evolution.h (scev_reset_except_niters): Declare. * gcc.dg/tree-ssa/pr34244.c: New test. From-SVN: r130527
2007-11-23re PR middle-end/34197 (array overflow warning without line number)Dirk Mueller1-1/+7
2007-11-23 Dirk Mueller <dmueller@suse.de> Richard Guenther <rguenther@suse.de> PR middle-end/34197 * tree-vrp.c (check_array_ref): Move check for valid location.. (check_array_bounds) here. Use EXPR_HAS_LOCATION(). Co-Authored-By: Richard Guenther <rguenther@suse.de> From-SVN: r130385
2007-08-25c-common.c (vector_types_convertible_p, [...]): Constify.Kaveh R. Ghazi1-15/+15
* c-common.c (vector_types_convertible_p, decl_with_nonnull_addr_p, c_promoting_integer_type_p, self_promoting_args_p): Constify. * c-common.h (has_c_linkage, decl_with_nonnull_addr_p, c_promoting_integer_type_p, self_promoting_args_p, anon_aggr_type_p, vector_types_convertible_p): Likewise. * c-decl.c (anon_aggr_type_p): Likewise. * * c-dump.c (dump_stmt): Likewise. * c-objc-common.c (has_c_linkage): Likewise. * c-tree.h (same_translation_unit_p): Likewise. * c-typeck.c (null_pointer_constant_p, tagged_types_tu_compatible_p, function_types_compatible_p, type_lists_compatible_p, lvalue_or_else, lvalue_p, comptypes_internal, struct tagged_tu_seen_cache, same_translation_unit_p, alloc_tagged_tu_seen_cache, c_size_in_bytes): Likewise. * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor, hash_ptr, eq_ptr): Likewise. * langhooks-def.h (lhd_decl_ok_for_sibcall, LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise. * langhooks.c (lhd_decl_ok_for_sibcall): Likewise. * langhooks.h (ok_for_sibcall, omp_privatize_by_reference): Likewise. * optabs.c (optab_for_tree_code): Likewise. * optabs.h (optab_for_tree_code): Likewise. * rtl.h (simplify_rtx): Likewise. * simplify-rtx.c (simplify_rtx): Likewise. * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type, dump_flag, dump_node): Likewise. * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index, queue_and_dump_type, dump_flag): Likewise. * tree-flow.h (vect_can_force_dr_alignment_p): Likewise. * tree-pass.h (dump_node): Likewise. * tree-vectorizer.c (vect_can_force_dr_alignment_p, supportable_narrowing_operation): Likewise. * tree-vectorizer.h (vect_can_force_dr_alignment_p, supportable_narrowing_operation): Likewise. * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity, is_negative_overflow_infinity, is_positive_overflow_infinity, is_overflow_infinity, vrp_val_is_max, vrp_val_is_min, nonnull_arg_p, get_value_range, vrp_operand_equal_p, update_value_range, add_equivalence, ssa_name_nonnegative_p, ssa_name_nonzero_p, fp_predicate): Likewise. * tree.c (auto_var_in_fn_p, empty_body_p): Likewise. * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p, ssa_name_nonnegative_p): Likewise. cp: * call.c (sufficient_parms_p): Constify. * class.c (same_signature_p): Likewise. * cp-gimplify.c (is_invisiref_parm, cxx_omp_privatize_by_reference): Likewise. * cp-objcp-common.c (has_c_linkage): Likewise. * cp-tree.h (NON_THUNK_FUNCTION_CHECK, THUNK_FUNCTION_CHECK, sufficient_parms_p, same_signature_p, copy_fn_p, move_fn_p, grok_ctor_properties, nothrow_libfn_p, skip_artificial_parms_for, num_artificial_parms_for, comp_template_parms, template_parameter_pack_p, any_dependent_template_arguments_p, any_type_dependent_arguments_p, any_value_dependent_elements_p, repo_export_class_p, cxx_omp_privatize_by_reference, pod_type_p, zero_init_p, member_p, cp_lvalue_kind, builtin_valid_in_constant_expr_p, decl_anon_ns_mem_p, varargs_function_p, is_dummy_object, special_function_kind, string_conv_p, type_unknown_p, comp_except_specs, compparms, comp_cv_qualification, is_bitfield_expr_with_lowered_type, unlowered_expr_type, ptr_reasonably_similar, cp_type_readonly, cp_has_mutable_p, at_least_as_qualified_p, invalid_nonstatic_memfn_p, lvalue_or_else, lvalue_p): Likewise. * decl.c (copy_fn_p, move_fn_p, grok_ctor_properties): Likewise. * except.c (nothrow_libfn_p): Likewise. * method.c (skip_artificial_parms_for, num_artificial_parms_for): Likewise. * pt.c (comp_template_parms, template_parameter_pack_p, any_type_dependent_arguments_p, any_value_dependent_elements_p, any_dependent_template_arguments_p): Likewise. * repo.c (repo_export_class_p): Likewise. * semantics.c (anon_aggr_type_p): Likewise. * tree.c (lvalue_p_1, real_lvalue_p, lvalue_p, builtin_valid_in_constant_expr_p, decl_anon_ns_mem_p, varargs_function_p, member_p, is_dummy_object, pod_type_p, zero_init_p, special_function_p): Likewise. * typeck.c (comp_array_types, type_unknown_p, comp_except_specs, comp_array_types, at_least_as_qualified_p, comp_cv_qualification, compparms, invalid_nonstatic_memfn_p, is_bitfield_expr_with_lowered_type, unlowered_expr_type, string_conv_p, ptr_reasonably_similar, cp_type_readonly, cp_has_mutable_p, lvalue_or_else): Likewise. fortran: * trans-openmp.c (gfc_omp_privatize_by_reference): Constify. * trans.h (gfc_omp_privatize_by_reference): Likewise. java: * lang.c (java_decl_ok_for_sibcall): Likewise. From-SVN: r127799
2007-08-21re PR tree-optimization/33134 (ICE in set_value_range, at tree-vrp.c:325)Ian Lance Taylor1-1/+1
./: PR tree-optimization/33134 * tree-vrp.c (adjust_range_with_scev): Call set_value_range_to_value. testsuite/: PR tree-optimization/33134 * g++.dg/tree-ssa/pr33134.C: New test. From-SVN: r127679
2007-08-14alias.c (component_uses_parent_alias_set): Constify.Kaveh R. Ghazi1-1/+1
* alias.c (component_uses_parent_alias_set): Constify. * alias.h (component_uses_parent_alias_set): Likewise. * cfgrtl.c (print_rtl_with_bb): Likewise. * double-int.c (tree_to_double_int, double_int_fits_to_tree_p, mpz_get_double_int): Likewise. * double-int.h (double_int_fits_to_tree_p, tree_to_double_int, mpz_get_double_int): Likewise. * expr.c (is_aligning_offset, undefined_operand_subword_p, mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset): Likewise. * expr.h (safe_from_p): Likewise. * gimple-low.c (try_catch_may_fallthru, block_may_fallthru): Likewise. * gimplify.c (should_carry_locus_p, zero_sized_field_decl, zero_sized_type, goa_lhs_expr_p): Likewise. * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise. * rtl.h (print_rtl_with_bb): Likewise. * sched-vis.c (print_exp, print_value, print_pattern): Likewise. * tree-cfg.c (const_first_stmt, const_last_stmt): New. * tree-flow-inline.h (bb_stmt_list): Constify. (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev, cbsi_stmt): New. * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last, const_first_stmt, const_last_stmt): New. (block_may_fallthru, empty_block_p): Constify. * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY, EXPR_ONLY_BODY): New. (expr_first, expr_last, expr_only): Use macro for body. (const_expr_first, const_expr_last, const_expr_only): New. * tree-iterator.h (const_tree_stmt_iterator, ctsi_start, ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next, ctsi_prev, ctsi_stmt): New. * tree-scalar-evolution.c (get_loop_exit_condition): Constify. * tree-scalar-evolution.h (get_loop_exit_condition): Likewise. * tree-ssa-loop-niter.c (loop_only_exit_p, derive_constant_upper_bound): Likewise. * tree-ssa-phiopt.c (empty_block_p): Likewise. * tree-ssa-threadupdate.c (redirection_block_p): Likewise. * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise. * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise. * tree-vrp.c (vrp_bitmap_equal_p): Likewise. * tree.c (get_type_static_bounds): Likewise. * tree.h (const_expr_first, const_expr_last, const_expr_only): New. (get_type_static_bounds): Constify. From-SVN: r127483
2007-08-03[multiple changes]Diego Novillo1-1/+1
2007-08-03 Andrew Pinski <andrew_pinski@playstation.sony.com> Diego Novillo <dnovillo@google.com> PR 31521 * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify if the range includes 0. 2007-08-03 Diego Novillo <dnovillo@google.com> PR 31521 * gcc.dg/tree-ssa/pr31521.c: New test. From-SVN: r127180
2007-07-26Change copyright header to refer to version 3 of the GNU General Public ↵Nick Clifton1-4/+3
License and to point readers at the COPYING3 file and the FSF's license web page. From-SVN: r126948
2007-07-25c-common.c (fname_as_string, [...]): Constify.Kaveh R. Ghazi1-2/+2
* c-common.c (fname_as_string, c_type_hash): Constify. * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise. * cgraph.c (edge_hash, edge_eq): Likewise. * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise. * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash, reg_attrs_htab_eq): Likewise. * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq): Likewise. * genautomata.c (const_reserv_sets_t, const_unit_decl_t, const_decl_t, const_state_t, const_automata_list_el_t): New. (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL, DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV, automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp, reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p, automata_list_hash, automata_list_eq_p, compare_states_for_equiv, compare_max_occ_cycle_nums, out_state_arcs_num, compare_transition_els_num, units_cmp, state_reservs_cmp): Constify. * genmodes.c (cmp_modes): Likewise. * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise. * gimplify.c (compare_case_labels): Likewise. * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise. * loop-unroll.c (si_info_hash, ve_info_hash): Likewise. * matrix-reorg.c (mtt_info_hash): Likewise. * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise. * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New. (htab_hash_bucket, htab_hash_elem): Constify. * tree-browser.c (TB_parent_eq): Likewise. * tree-scalar-evolution.c (hash_scev_info): Likewise. * tree-ssa-alias.c (sort_tags_by_id): Likewise. * tree-ssa-coalesce.c (const_coalesce_pair_p): New. (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs): Constify. * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise. * tree-ssa-pre.c (const_expr_pred_trans_t): New. (expr_pred_trans_hash, expr_pred_trans_eq): Constify. * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t, const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t): New. (vn_reference_op_eq, vn_reference_hash, vn_reference_eq, vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash, vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify. * tree-ssa-threadupdate.c (redirection_data_hash, redirection_data_eq): Likewise. * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise. * tree-ssa.c (var_ann_eq): Likewise. * tree-vrp.c (compare_case_labels): Likewise. * tree.c (int_cst_hash_hash, int_cst_hash_eq, tree_map_base_marked_p, type_hash_marked_p, tree_check_failed, tree_not_check_failed, tree_class_check_failed, tree_range_check_failed, tree_not_class_check_failed, omp_clause_check_failed, omp_clause_range_check_failed, tree_contains_struct_check_failed, tree_operand_check_failed): Likewise. * tree.h (tree_contains_struct_check_failed, tree_check_failed, tree_not_check_failed, tree_class_check_failed, tree_range_check_failed, tree_not_class_check_failed, tree_operand_check_failed, omp_clause_operand_check_failed, tree_operand_length): Likewise. * var-tracking.c (const_variable): New. (variable_htab_hash, variable_htab_eq): Constify. * varasm.c (const_desc_hash): Likewise. cp: * decl.c (typename_hash, typename_compare): Constify. * mangle.c (hash_type, compare_type): Likewise. * pt.c (eq_local_specializations, hash_local_specialization): Likewise. * tree.c (cplus_array_hash, cplus_array_compare, list_hash_eq, list_hash): Likewise. * typeck2.c (pat_compare): Likewise. fortran: * gfortran.h (generate_isocbinding_symbol): Constify. * symbol.c (gen_special_c_interop_ptr, gen_cptr_param, generate_isocbinding_symbol): Likewise. java: * class.c (java_treetreehash_hash, java_treetreehash_compare): Constify. * expr.c (type_assertion_eq): Likewise. * jcf-io.c (compare_path): Likewise. * jcf-parse.c (cmpstringp): Likewise. * verify-impl.c (get_one_type, compute_argument_types, compute_return_type): Likewise. objc: * objc-act.c (volatilized_hash, volatilized_eq, string_hash, string_eq): Constify. From-SVN: r126925
2007-06-21re PR tree-optimization/19590 (IVs with the same evolution not eliminated)Sebastian Pop1-0/+8
PR tree-optimization/19590 * tree-vrp.c (adjust_range_with_scev): Set the range when the result of scev is a constant. * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New. From-SVN: r125925
2007-06-21re PR tree-optimization/32453 (ICE in build2_stat, at tree.c:3074 ↵Richard Guenther1-1/+4
(extract_range_from_assert)) 2007-06-21 Richard Guenther <rguenther@suse.de> PR tree-optimization/32453 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR for pointer anti-range. * gcc.c-torture/compile/pr32453.c: New testcase. From-SVN: r125922
2007-06-15[multiple changes]Andrew Pinski1-13/+26
2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> Zdenek Dvorak <dvorakz@suse.cz> Richard Guenther <rguenther@suse.de> Kaz Kojima <kkojima@gcc.gnu.org> * tree-vrp.c (compare_values_warnv): Convert val2 to the type of val1. (extract_range_from_assert): Create POINTER_PLUS_EXPR for pointer types. (extract_range_from_binary_expr): Handle only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR for pointer types. * doc/c-tree.texi (POINTER_PLUS_EXPR): Document. * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (number_of_iterations_lt_to_ne): For pointer types, use sizetype when creating MINUS_EXPR/PLUS_EXPRs. (assert_loop_rolls_lt): For pointer types, use sizetype when creating MINUS_EXPR/PLUS_EXPRs. (number_of_iterations_le): Likewise. (expand_simple_operations): POINTER_PLUS_EXPR are simple also. (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just like PLUS_EXPR and MINUS_EXPR. * tree-pretty-print.c (dump_generic_node): Handle POINTER_PLUS_EXPR. (op_prio): Likewise. (op_symbol_1): Likewise. * optabs.c (optab_for_tree_code): Likewise. * tree-ssa-loop-manip.c (create_iv): Handle pointer base specially. * tree-tailcall.c (process_assignment): Mention POINTER_PLUS_EXPR in a TODO comment. * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR not used with a pointer and an integer type. * tree-scalar-evolution.c (add_to_evolution_1): Convert the increment using chrec_convert_rhs instead of chrec_convert. (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like PLUS_EXPR except for the right hand side's type will be sizetype. (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR. (fold_used_pointer_cast): Kill. (pointer_offset_p): Kill. (fold_used_pointer): Kill. (pointer_used_p): Kill. (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't call fold_used_pointer. (instantiate_parameters_1): Convert the increment using chrec_convert_rhs instead of chrec_convert. Handle POINTER_PLUS_EXPR as PLUS_EXPR. * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (std_gimplify_va_arg_expr): Likewise. (fold_builtin_memory_op): Likewise. (fold_builtin_strstr): Likewise. (fold_builtin_strchr): Likewise. (fold_builtin_strrchr): Likewise. (fold_builtin_strpbrk): Likewise. (expand_builtin_memory_chk): Likewise. (fold_builtin_memory_chk): Likewise. (std_expand_builtin_va_start): Use sizetype for the call to make_tree and then convert to the pointer type. (fold_builtin_memchr): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for adding to a pointer. (std_gimplify_va_arg_expr): Use fold_build2 for the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast the operands to sizetype first and then cast the BIT_AND_EXPR back to the pointer type. * fold-const.c (build_range_check): Handle pointer types specially. (extract_array_ref): Look for POINTER_PLUS_EXPR instead of PLUS_EXPR's. Make sure the offset is converted to sizetype. (try_move_mult_to_index): Strip the NOPs from the offset. Remove code argument and replace all uses with PLUS_EXPR. (fold_to_nonsharp_ineq_using_bound): Handle pointer types specially. Don't use a pointer type for MINUS_EXPR. (fold_unary): Handle for (T1)(X op Y), only p+ as that is the only as that can be handled for binary operators now. (fold_binary <case POINTER_PLUS_EXPR>): Add folding of POINTER_PLUS_EXPR. <case PLUS_EXPR>: Add folding of PTR+INT into PTR p+ INT. Don't call try_move_mult_to_index. <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B) into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies. Don't call try_move_mult_to_index. (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR. (tree_expr_nonzero_p): Likewise. (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead of PLUS_EXPR for the complex expression folding. * tree-chrec.c (chrec_fold_plus_poly_poly): If the first chrec is a pointer type, then the second should be sizetype and not the first's type. For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR instead of PLUS_EXPR. When either operand is zero, convert the other operand. (chrec_apply): Use chrec_convert_rhs on the argument x instead of chrec_convert. (reset_evolution_in_loop): For pointer types, the new_evol should be sizetype. (convert_affine_scev): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. (chrec_convert_rhs): New function. (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a different right hand side type. Handle POINTER_PLUS_EXPR like PLUS_EXPR. * tree-chrec.h (chrec_convert_rhs): New prototype. (build_polynomial_chrec): For pointer types, the right hand * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for POINTER_PLUS_EXPR instead of PLUS_EXPR's. Remove subtraction case as it is always addition now. Make sure the offset is converted to sizetype. (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially. Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before. * tree-ssa-loop-ivopts.c (determine_base_object): Abort for PLUS_EXPR in pointer type. Handle POINTER_PLUS_EXPR. (tree_to_aff_combination): Likewise. (force_expr_to_var_cost): Likewise. (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR of pointer types. * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (check_va_list_escapes): Likewise. (check_all_va_list_escapes): Likewise. * dwarf2out.c (loc_descriptor_from_tree_1): Handle POINT_PLUS_EXPR as a PLUS_EXPR. * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR. (string_constant): Likewise. * tree-ssa-address.c (tree_mem_ref_addr): When adding the offset to the base, use POINTER_PLUS_EXPR. (add_to_parts): Convert the index to sizetype. (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case. * matrix-reorg.c (collect_data_for_malloc_call): Stmt will now only be either INDIRECT_REF and POINTER_PLUS_EXPR. Offset only holds something for PLUS_EXPR. (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as a PLUS_EXPR. (analyze_transpose): POINTER_PLUS_EXPR will only show up now and not PLUS_EXPR. (analyze_accesses_for_modify_stmt): Likewise. Remove comment about the type being integral type as it is wrong now. (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as PLUS_EXPR. (transform_access_sites): POINTER_PLUS_EXPR will only show up now and not PLUS_EXPR. Correct the type which the artimentic is done in (is now sizetype). Reindent one loop. * tree-data-ref.c (split_constant_offset): Handle POINTER_PLUS_EXPR * tree-affine.c (tree_to_aff_combination): Likewise. * c-typeck.c (build_unary_op): For pointers create the increment as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * gimplify.c (gimplify_self_mod_expr): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR. * tree.def (POINTER_PLUS_EXPR): New tree code. * tree-predcom.c (ref_at_iteration): If we have a pointer type do the multiplication in sizetype. * tree-mudflap.c (mf_xform_derefs_1): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_array_index): Don't expect there to be a cast for the index as that does not exist anymore. (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR instead of PLUS_EXPR. Don't check for the first operand of the POINTER_PLUS_EXPR was the index as it cannot be. Call forward_propagate_addr_into_variable_array_index with the SSA_NAME instead of the statement. * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR. (compare_constant): Likewise. (copy_constant): Likewise. (compute_reloc_for_constant): Likewise. (output_addressed_constants): Likewise. (initializer_constant_valid_p): Likewise. * tree-ssa.c (tree_ssa_useless_type_conversion_1): Convert the MIN/MAX of the inner type to the outer type before comparing them. * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-inline.c (estimate_num_insns_1): Handle POINTER_PLUS_EXPR. * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (bump_vector_ptr): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for the pointer increment statement. (vect_update_ivs_after_vectorizer): For pointer types, create POINTER_PLUS_EXPR instead of PLUS_EXPR and also create MULT_EXPR in sizetype. (vect_gen_niters_for_prolog_loop): Add a cast when creating byte_misalign. * tree-object-size.c (plus_expr_object_size): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra code which is trying to figure out which side is a pointer and is the index. (check_for_plus_in_loops_1): Likewise. (check_for_plus_in_loops): Likewise. * c-common.c (pointer_int_sum): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * tree-ssa-structalias.c (handle_ptr_arith): Handle only POINTER_PLUS_EXPR. Removing all the extra code which is trying to figure out which side is a pointer and is the index. * tree-cfg.c (verify_expr): Add extra checking for pointers and PLUS_EXPR and MINUS_EXPR. Also add checking to make sure the operands of POINTER_PLUS_EXPR are correct. * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype with make_tree, instead of a pointer type. * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR for pointers instead of PLUS_EXPR. (s390_gimplify_va_arg): Likewise. * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR when doing addition on pointer types. Use sizetype for the second operand. (spu_gimplify_va_arg_expr): Likewise. * config/sparc/sparc.c (sparc_gimplify_va_arg): Use POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was a pointer. Don't create a BIT_AND_EXPR for pointer types. * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR for the pointer addition and also use size_int/sizetype for the offset. (ix86_gimplify_va_arg): Likewise. Perform BIT_AND_EXPR on sizetype arguments. * config/sh/sh.c (sh_va_start): Call make_tree with sizetype and convert its result to a pointer type. Use POINTER_PLUS_EXPR for the pointer additions and also use size_int for the offsets. (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer additions and also use size_int for the offsets. Perform BIT_AND_EXPR on sizetype arguments. * config/ia64/ia64.c (ia64_gimplify_va_arg): Use POINTER_PLUS_EXPR for pointers and create the BIT_AND_EXPR in sizetype. * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for pointer addition. (rs6000_va_start): Likewise. Also use sizetype for the offset. * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR as PLUS_EXPR/MINUS_EXPR. (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR. Don't use BIT_AND_EXPR on a pointer type, convert the expression to sizetype first. * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR for pointers. (mips_gimplify_va_arg_expr): Likewise. Don't create BIT_AND_EXPR in a pointer type. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * trans-intrinsic.c (gfc_conv_intrinsic_repeat): Use POINTER_PLUS_EXPR instead of PLUS_EXPR for pointer addition. * trans-expr.c (gfc_trans_string_copy): Create POINTER_PLUS_EXPR instead of a PLUS_EXPR for pointer types. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * typeck.c (build_binary_op): For templates build the expression in pieces to avoid the assert in build2_stat. (get_member_function_from_ptrfunc): Change over to using POINTER_PLUS_EXPR and convert the second operand to sizetype. * typeck2.c (build_m_component_ref): Likewise. * init.c (expand_virtual_init): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. (build_new_1): Likewise. (build_vec_delete_1): Likewise. (build_vec_delete): Likewise. * class.c (build_base_path): Likewise. (build_base_path): Likewise. (convert_to_base_statically): Likewise. (fixed_type_or_null): Handle POINTER_PLUS_EXPR. (get_vtbl_decl_for_binfo): Handle POINTER_PLUS_EXPR instead of PLUS_EXPR. (dfs_accumulate_vtbl_inits): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * call.c (build_special_member_call): Likewise. * rtti.c (build_headof): Likewise. Use sizetype instead of ptrdiff_type_node. (tinfo_base_init): Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers. * except.c (expand_start_catch_block): Do a NEGATIVE and then a POINTER_PLUS_EXPR instead of a MINUS_EXPR. * cp-gimplify.c (cxx_omp_clause_apply_fn): Convert PLUS_EXPR on pointer types over to use POINTER_PLUS_EXPR and remove the conversion to the pointer types. * method.c (thunk_adjust): Use POINTER_PLUS_EXPR for adding to a pointer type. Use size_int instead of ssize_int. Convert the index to sizetype before adding it to the pointer. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * trans.c (Attribute_to_gnu): When subtracting an offset from a pointer, use POINTER_PLUS_EXPR with NEGATE_EXPR instead of MINUS_EXPR. (gnat_to_gnu): Likewise. * utils.c (convert): When converting between thin pointers, use POINTER_PLUS_EXPR and sizetype for the offset. * utils2.c (known_alignment): POINTER_PLUS_EXPR have the same semantics as PLUS_EXPR for alignment. (build_binary_op): Add support for the semantics of POINTER_PLUS_EXPR's operands. When adding an offset to a pointer, use POINTER_PLUS_EXPR. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> * class.c (make_class_data): Build the index in sizetype. Use POINTER_PLUS_EXPR instead of PLUS_EXPR when adding to a pointer type. (build_symbol_entry): Likewise. * expr.c (build_java_arrayaccess): Likewise. (build_field_ref): Likewise. (build_known_method_ref): Likewise. (build_invokevirtual): Likewise. * except.c (build_exception_object_ref): Do a NEGATIVE and then a POINTER_PLUS_EXPR instead of a MINUS_EXPR. 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com> PR tree-opt/32225 * gcc.c-torture/compile/20070605-1.c: New test. * gcc.c-torture/compile/20070603-1.c: New testcase. * gcc.c-torture/compile/20070603-2.c: New testcase. * gcc.c-torture/compile/20070531-1.c: New test. PR tree-opt/32167 * gcc.c-torture/compile/20070531-2.c: New test. PR tree-opt/32144 * gcc.c-torture/compile/20070529-1.c: New test. PR tree-opt/32145 * gcc.c-torture/compile/20070529-2.c: New test. PR tree-opt/32015 * gcc.c-torture/compile/20070520-1.c: New test. * g++.dg/ext/java-1.C: New test. * gcc.dg/vect/vect-106.c: We are now able to vectorize two loops instead of one. Remove the "can't determine dependence" check. * gcc.dg/tree-ssa/20030815-1.c: Remove testcase which is no longer needed as the cast is gone in the first place. * gcc.dg/max-1.c: Change local variable a to be a global one. * gcc.dg/tree-ssa/ssa-pre-8.c: Update testcase since we don't have a cast which is PREd. From-SVN: r125755
2007-06-09re PR tree-optimization/32169 (Ice in set_value_range, at tree-vrp.c:326)Ian Lance Taylor1-0/+2
./: PR tree-optimization/32169 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and CONVERT_EXPR, check whether min and max both converted to an overflow infinity representation. testsuite/: PR tree-optimization/32169 * gcc.c-torture/compile/pr32169.c: New test. From-SVN: r125591
2007-06-05tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a PLUS_EXPR or ↵Ian Lance Taylor1-1/+11
MINUS_EXPR node before setting... ./: * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p. (extract_range_from_assert): Set TREE_NO_WARNING when creating an expression. (test_for_singularity): Likewise. testsuite/: * gcc.dg/Wstrict-overflow-19.c: New test. From-SVN: r125334
2007-06-04tree-vrp.c (adjust_range_with_scev): When loop is not expected to overflow, ↵Ian Lance Taylor1-2/+59
reduce overflow infinity to regular infinity. ./: * tree-vrp.c (adjust_range_with_scev): When loop is not expected to overflow, reduce overflow infinity to regular infinity. (vrp_var_may_overflow): New static function. (vrp_visit_phi_node): Check vrp_var_may_overflow. testsuite/: * gcc.dg/Wstrict-overflow-18.c: New test. From-SVN: r125319