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2005-11-18expr.c (expand_expr_real): Don't look at EXPR_HAS_LOCATION unless ↵Richard Kenner1-1/+1
ib_boundaries_block is non-null * expr.c (expand_expr_real): Don't look at EXPR_HAS_LOCATION unless ib_boundaries_block is non-null From-SVN: r107180
2005-11-12expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize to compare ↵Jan Hubicka1-54/+77
against 0 when possible. * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize to compare against 0 when possible. * gcc.target/i386/minmax-1.c: New. * gcc.target/i386/minmax-2.c: New. From-SVN: r106827
2005-10-15re PR middle-end/23714 (ICE in expand_assignment)Richard Henderson1-2/+10
PR 23714 * builtins.c (expand_builtin_trap): Export. * expr.h (expand_builtin_trap): Declare. * expr.c (expand_assignment): Emit a trap for integral offsets from registers that weren't reduced to bitpos. * tree-cfg.c (mark_array_ref_addressable_1): Remove. (mark_array_ref_addressable): Remove. * tree-flow.h (mark_array_ref_addressable): Remove. * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it. From-SVN: r105449
2005-09-20expr.c (expand_expr_real_1): Allow modifier EXPAND_STACK_PARM.Richard Henderson1-1/+2
* expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier EXPAND_STACK_PARM. From-SVN: r104463
2005-09-17expr.c (emit_move_via_integer): Add force argument, pass it on to ↵Richard Henderson1-6/+6
emit_move_change_mode. * expr.c (emit_move_via_integer): Add force argument, pass it on to emit_move_change_mode. Update callers. (emit_move_complex): Pass true to new force argument. * function.c (expand_function_end): Move expand_eh_return call earlier. Merge sub-word complex values into a pseudo before copying to the return hard register. From-SVN: r104371
2005-09-09re PR c++/23180 (Segfault on const initializer with bogus pointer arithmetics)Josh Conner1-1/+1
PR c++/23180 * expr.c (expand_expr_addr_expr_1): Don't invoke expand_simple_binop for EXPAND_INITIALIZER. From-SVN: r104069
2005-09-06re PR middle-end/14997 (ncurses build fails with Ada)Olivier Hainque1-8/+13
PR middle-end/14997 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem when we would be extracting outside its bit span (bitpos+bitsize larger than its mode), possible with some VIEW_CONVERT_EXPRs from Ada unchecked conversions. Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com> From-SVN: r103963
2005-08-31expr.c (expand_expr_real_1): Force subregs into a pseudo before applying ↵Richard Henderson1-1/+5
gen_lowpart. * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs into a pseudo before applying gen_lowpart. From-SVN: r103712
2005-08-31Fix ppc -m64 constant address expression expansion bug.Fariborz Jahanian1-1/+1
Oked by Richard Henderson. From-SVN: r103676
2005-08-31re PR middle-end/23477 (default-initializing array new expression uses makes ↵Richard Guenther1-0/+31
stack usage go way up) 2005-08-31 Richard Guenther <rguenther@suse.de> PR middle-end/23477 * expr.c (all_zeros_p): New function. (expand_expr_real_1): Handle the case of an all-zero non-addressable constructor separately. From-SVN: r103670
2005-08-30re PR target/23630 (built-ins MMX regression)Richard Henderson1-8/+13
PR target/23630 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart whenever the mode sizes match. From-SVN: r103660
2005-08-31calls.c (load_register_parameters): Fix comment typo.Alan Modra1-1/+1
* calls.c (load_register_parameters): Fix comment typo. * expr.c (emit_push_insn): Comment formatting. From-SVN: r103656
2005-08-23re PR middle-end/22043 (Fields not initialized for automatic structs with ↵Jakub Jelinek1-7/+22
flexible array members) PR tree-optimization/22043 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument. * expr.c (count_type_elements): Add ALLOW_FLEXARR argument. If ALLOW_FLEXARR, handle types ending with flexible array member. Pass false as second argument to recursive count_type_elements calls. (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second argument to count_type_elements call. * tree-sra.c (decide_block_copy): Likewise. * gimplify.c (gimplify_init_constructor): If num_type_elements < 0 for a constant-sized object, set cleared as well. Pass true as second argument to count_type_elements call. * gcc.c-torture/execute/20050613-1.c: New test. From-SVN: r103389
2005-08-08* expr.c (write_complex_part): Return after handling MEM.Bob Wilson1-3/+6
From-SVN: r102878
2005-07-29expr.c (expand_expr_real_1): Do not load mem targets into register.Jan Hubicka1-12/+0
* expr.c (expand_expr_real_1): Do not load mem targets into register. * i386.c (ix86_fixup_binary_operands): Likewise. (ix86_expand_unary_operator): Likewise. (ix86_expand_fp_absneg_operator): Likewise. * optabs.c (expand_vec_cond_expr): Validate dest. From-SVN: r102570
2005-07-25expr.c (highest_pow2_factor): Make extern.Ira Rosen1-2/+1
* expr.c (highest_pow2_factor): Make extern. * tree-data-ref.c (ptr_decl_may_alias_p): New function. (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p, record_array_differ_p, array_ptr_differ_p): Likewise. (base_object_differ_p): Rename (from array_base_name_differ_p). Support additional cases. Call the above functions. (base_addr_differ_p): Moved from tree-vect-analyze.c. Call base_object_differ_p when there are two base objects. Otherwise, compare base address and offset. Call may_alias_p. (dump_data_reference): Use a correct field name. (analyze_array): Make static. Initialize new data-ref fields. (analyze_indirect_ref): New function. (init_data_ref): Initialize new data-ref fields. (strip_conversion): Moved from tree-vect-analyze.c. (analyze_offset_expr, get_ptr_offset, address_analysis, object_analysis): Likewise. (analyze_offset): New function. (create_data_ref): Likewise. (initialize_data_dependence_relation): Call base_addr_differ_p. Compare dimensions for ARRAY_REFs only. (build_classic_dist_vector): Make static. (access_functions_are_affine_or_constant_p): Call macro to get the address of access functions. (compute_all_dependences): Add new parameter compute_self_and_read_read_dependences. Compute self and read-read dependences if it is true. (find_data_references_in_loop): Call create_data_ref. Initialize new data-ref fields. (compute_data_dependences_for_loop): Add new parameter compute_self_and_read_read_dependences. Remove parameter nb_loops, compute nb_loops. Call compute_all_dependences, build_classic_dist_vector and build_classic_dir_vector with correct parameters. (analyze_all_data_dependences): Call compute_data_dependences_for_loop with correct parameters. Compare dimensions for ARRAY_REFs only. (free_data_refs): Call macro to free access functions. * tree-data-ref.h (struct first_location_in_loop): New structure. Move fields from stmt_vinfo. (struct base_object_info): New structure. (struct data_reference): Move fields to base_object_info. Add fields first_location and object_info for above structures. Move fields from stmt_info: memtag, ptr_info, subvars, misalignment. Add new field aligned_to. Add macros to access the new fields. Update functions declarations. * tree-flow.h (is_aliased_with): Declare. * tree-loop-linear.c (linear_transform_loops): Call compute_data_dependences_for_loop with correct parameters. * tree-ssa-alias.c (is_aliased_with): New function. * tree-vect-analyze.c (vect_get_ptr_offset): Remove. (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise. (vect_analyze_data_ref_dependence): Get ddr. Remove call to vect_base_addr_differ_p, compute_subscript_distance and build_classic_dist_vector. Add printings. Check absolute value of distance. (vect_analyze_data_ref_dependences): Go through ddrs instead of data-refs. (vect_compute_data_ref_alignment): Get the fields of data-ref instead of stmt. Check aligned_to. Check if the base is aligned. Remove conversion to bytes. Add printing. (vect_compute_data_refs_alignment): Go through loads and stores in one loop. (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment, vect_analyze_data_ref_access): Likewise. (vect_analyze_pointer_ref_access): Remove. (vect_address_analysis, vect_object_analysis): Likewise. (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find and analyze data-refs in the loop. * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the fields of data-ref instead of stmt. Add init to the offset from the base. (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt. (vect_update_init_of_dr): Likewise. (vect_update_inits_of_drs): Go through loads and stores in one loop. * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of removed fields. (new_loop_vec_info): Initialize new fields. (destroy_loop_vec_info): Free new fields. (vect_strip_conversion): Remove. * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level. (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into datarefs. Add new field ddrs. Add macros for the new fields access. (struct _stmt_vec_info): Remove: base_address, initial_offset, step, base_aligned_p, misalignment, memtag, ptr_info and subvars. Remove their macros. * tree.h (highest_pow2_factor): Declare. From-SVN: r102356
2005-07-20Make CONSTRUCTOR use VEC to store initializers.Giovanni Bajo1-80/+78
* c-common.c (complete_array_type): Update to cope with VEC in CONSTRUCTOR_ELTS. * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts. (pp_c_constructor_elts): New function. * c-pretty-print.h (pp_c_constructor_elts): Declare. * c-typeck.c (build_function_call, build_c_cast, digest_init, struct constructor_stack, struct initializer_stack, constructor_elements, push_init_level, pop_init_level, add_pending_init, find_init_member, output_init_element): Update to cope with VEC in CONSTRUCTOR_ELTS. * coverage.c (build_fn_info_value, build_ctr_info_value, build_gcov_info): Likewise. * expr.c (categorize_ctor_elements_1, store_constructor, expand_expr_real_1): Likewise. * fold-const.c (fold_ternary): Likewise. * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl, gimplify_init_constructor, gimplify_expr): Likewise. * tree-dump.c (dequeue_and_dump): Likewise. * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR node. * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in CONSTRUCTOR_ELTS. * tree-sra.c (generate_element_init_1): Likewise. * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * tree-vect-generic.c (expand_vector_piecewise): Likewise. * tree-vect-transform.c (vect_get_vec_def_for_operand): (get_initial_def_for_reduction): Likewise. * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses value handle in annotations. * tree.c (tree_node_kind, tree_code_size, make_node_stat, tree_node_structure): Add support for constr_kind. (build_vector_from_ctor, build_constructor_single, build_constructor_from_list): New functions. (build_constructor): Update to take a VEC instead of a TREE_LIST. (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree): Update to cope with VEC in CONSTRUCTOR_ELTS. * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node. * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT, CONSTRUCTOR_APPEND_ELT): New macros. (struct constructor_elt, struct tree_constructor): New data types. (union tree_node): Add tree_constructor field. * treestruct.def: Define TS_CONSTRUCTOR. * varasm.c (const_hash_1, compare_constant, copy_constant, compute_reloc_for_constant, output_addressed_constants, initializer_constant_valid_p, output_constant, array_size_for_constructor, output_constructor): Update to cope with VEC in CONSTRUCTOR_ELTS. * vec.h (VEC_empty, VEC_copy): New macros. ada/ Make CONSTRUCTOR use VEC to store initializers. * decl.c (gnat_to_gnu_entity): Update to cope with VEC in CONSTRUCTOR_ELTS. * trans.c (extract_values): Likewise. * utils.c (convert, remove_conversions): Likewise. * utils2.c (contains_save_expr_p, build_binary_op, build_unary_op, gnat_build_constructor): Likewise. cp/ Make CONSTRUCTOR use VEC to store initializers. * call.c (convert_default_arg): Update call to digest_init. * class.c (dump_class_hierarchy, dump_array): Update to cope with VEC in CONSTRUCTOR_ELTS. * cp-tree.h (EMPTY_CONSTRUCTOR_P): Likewise. (finish_compound_literal, digest_init): Update declaration. * decl.c (struct reshape_iter): New data type. (reshape_init_array): Rename to... (reshape_init_array_1): Update to cope with VEC in CONSTRUCTOR_ELTS. (reshape_init): Rewrite from scratch. Split parts into... (reshape_init_array, reshape_init_vector, reshape_init_class, reshape_init_r): New functions. (check_initializer): Update call to reshape_init. Remove obsolete code. (initialize_artificial_var, cp_complete_array_type): Update to cope with VEC in CONSTRUCTOR_ELTS. * decl2.c (grokfield): Update calls to digest_init. (mark_vtable_entries): Update to cope with VEC in CONSTRUCTOR_ELTS. * error.c (dump_expr_init_vec): New function. (dump_expr): Use dump_expr_init_vec. * init.c (build_zero_init, build_vec_init): Update to cope with VEC in CONSTRUCTOR_ELTS. (expand_default_init): Update call to digest_init. * parser.c (cp_parser_postfix_expression): Use a VEC for the initializers. (cp_parser_initializer_list): Build a VEC of initializers. * pt.c (tsubst_copy, tsubst_copy_and_build): Update to cope with VEC in CONSTRUCTOR_ELTS. * rtti.c (tinfo_base_init, generic_initializer, ptr_initializer, ptm_initializer, class_initializer, get_pseudo_ti_init): Use build_constructor_from_list instead of build_constructor. * semantics.c (finish_compound_literal): Update call to digest_init. * tree.c (stabilize_init): Update to cope with VEC in CONSTRUCTOR_ELTS. * typeck.c (build_ptrmemfunc1): Likewise. * typeck2.c: (cxx_incomplete_type_error, split_nonconstant_init_1): Likewise. (store_init_value): Use build_constructor_from_list and update call to digest_init. (digest_init): Rewrite. (process_init_constructor): Rewrite from scratch. Split into... (process_init_constructor_array, picflag_from_initializer, process_init_constructor_record, process_init_constructor_union): New functions. (PICFLAG_ERRONEOUS, PICFLAG_NOT_ALL_CONSTANT, PICFLAG_NOT_ALL_SIMPLE): New macros. (build_functional_cast): Use build_constructor_from_list instead of build_constructor. fortran/ Make CONSTRUCTOR use VEC to store initializers. * trans-array.c (gfc_build_null_descriptor, gfc_trans_array_constructor_value, gfc_conv_array_initializer): Update to cope with VEC in CONSTRUCTOR_ELTS. * trans-common.c (create_common): Likewise. * trans-expr.c (gfc_conv_structure): Likewise. * trans-stmt.c (gfc_trans_character_select): Use build_constructor_from_list instead of build_constructor. java/ Make CONSTRUCTOR use VEC to store initializers. * check-init.c (check_init): Update to cope with VEC in CONSTRUCTOR_ELTS. * class.c (make_field_value, make_method_value, get_dispatch_table, make_class_data, emit_symbol_table, emit_catch_table, emit_assertion_table): Use build_constructor_from_list instead of build_constructor. * constants.c (build_constants_constructor): Likewise. * java-gimplify.c (java_gimplify_new_array_init): Update to cope with VEC in CONSTRUCTOR_ELTS. * java-tree.h (START_RECORD_CONSTRUCTOR, PUSH_SUPER_VALUE, PUSH_FIELD_VALUE, FINISH_RECORD_CONSTRUCTOR): Create a VEC instead of a TREE_LIST. * jcf-write.c (generate_bytecode_insns): Update to cope with VEC in CONSTRUCTOR_ELTS. * parse.y (build_new_array_init): Use build_constructor_from_list instead of build_constructor. (patch_new_array_init): Update to cope with VEC in CONSTRUCTOR_ELTS. (array_constructor_check_entry): Likewise. objc/ Make CONSTRUCTOR use VEC to store initializers. * objc-act.c (objc_build_constructor): Use build_constructor_from_list instead of build_constructor. testsuite/ Make CONSTRUCTOR use VEC to store initializers. * g++.dg/ext/complit3.C: Check for specific error messages. * g++.dg/init/brace2.C: Update error message. * g++.dg/warn/Wbraces2.C: Likewise. From-SVN: r102182
2005-07-12expr.c (compress_float_constant): Add cost check.Dale Johannesen1-2/+19
2005-07-12 Dale Johannesen <dalej@apple.com> * expr.c (compress_float_constant): Add cost check. * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost. From-SVN: r101938
2005-07-12builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp): ↵Adrian Straetling1-1/+2
s/cmpstrsi/cmpstrnsi 2005-07-12 Adrian Straetling <straetling@de.ibm.com> * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp): s/cmpstrsi/cmpstrnsi (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and 'cmpstrnsi'. * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'. (init_optabs): Initialize cmpstrn_optab. * optabs.h: (enum insn_code cmpstrn_optab): Declare. * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation. * expr.c: (enum insn_code cmpstrn_optab): Declare. * config/i386/i386.md: s/cmpstr/cmpstrn * config/c4x/c4x.md: s/cmpstr/cmpstrn * doc/md.texi: Update documentation. From-SVN: r101916
2005-07-07expr.c: (set_storage_via_setmem): Convert opchar to mode defined by back-end.Adrian Straetling1-5/+11
2005-07-07 Adrian Straetling <straetling@de.ibm.com> * expr.c: (set_storage_via_setmem): Convert opchar to mode defined by back-end. From-SVN: r101703
2005-07-06Removal of -fforce-mem.Fariborz Jahanian1-3/+0
OKed by Richard Henderson. From-SVN: r101666
2005-07-02re PR target/21742 (unrecognized insn for struct-layout-1 tests with complex ↵David Edelsohn1-10/+21
members) PR middle-end/21742 * expr.c (write_complex_part): Use adjust_address for MEM. (read_complex_part): Same. From-SVN: r101539
2005-06-28builtins.c: (expand_builtin_memset): Rewrite to support ↵Adrian Straetling1-60/+64
'set_storage_via_setmem'. 2006-06-28 Adrian Straetling <straetling@de.ibm.com> * builtins.c: (expand_builtin_memset): Rewrite to support 'set_storage_via_setmem'. * expr.c: (enum insn_code setmem_optab): Define. (enum insn_code clrmem_optab): Remove. (set_storage_via_setmem): New function. (clear_storage_via_setmem): Remove. (clear_storage): Replace call to "clear_storage_via_clrmem" with "set_storage_via_setmem". * expr.h: (set_storage_via_setmem): Declare. (CLEAR_RATIO): Redefine using HAVE_setmemM. * optabs.h: (enum insn_code setmem_optab): Declare. (enum insn_code clrmem_optab): Remove. * optabs.c: (init_optabs): Initialize setmem_optab. (enum insn_code clrmem_optab): Remove. * genopinit.c: (otabs): Likewise. * doc/md.texi: Document new standard pattern 'setmem'. Remove 'clrmem'. * config/alpha/alpha.c: (alpha_expand_block_clear): Adjust 'operands' ordering. * config/frv/frv.c: (frv_expand_block_clear): Likewise. * config/rs6000/rs6000.c: (expand_block_clear): Likewise. * config/alpha/alpha.md: ("clrmemqi", "clrmemdi"): Rename to "setmemM". FAIL on operands[2]!=const0_rtx. Adjust 'operands' ordering. * config/avr/avr.md: ("clrmemhi"): Likewise. * config/frv/frv.md: ("clrmemsi"): Likewise. * config/i386/i386.md: ("clrmemsi", "clrmemdi"): Likewise. * config/pa/pa.md: ("clrmemsi", "clrmemdi"): Likewise. * config/rs6000/rs6000.md: ("clrmemsi"): Likewise. * config/s390/s390.md: ("clrmem<mode>"): Likewise. From-SVN: r101386
2005-06-25Update FSF address.Kelley Cook1-2/+2
From-SVN: r101317
2005-06-21genopinit.c (vec_shl_optab, [...]): Initialize new optabs.Dorit Nuzman1-0/+7
* genopinit.c (vec_shl_optab, vec_shr_optab): Initialize new optabs. (reduc_plus_optab): Removed. Replcaed with... (reduc_splus_optab, reduc_uplus_optab): Initialize new optabs. * optabs.c (optab_for_tree_code): Return reduc_splus_optab or reduc_uplus_optab instead of reduc_plus_optab. (expand_vec_shift_expr): New function. (init_optabs): Initialize new optabs. Remove initialization of reduc_plus_optab. (optab_for_tree_code): Return vec_shl_optab/vec_shr_optab for VEC_LSHIFT_EXPR/VEC_RSHIFT_EXPR. * optabs.h (OTI_reduc_plus): Removed. Replaced with... (OTI_reduc_splus, OTI_reduc_uplus): New. (reduc_plus_optab): Removed. Replcaed with... (reduc_splus_optab, reduc_uplus_optab): New optabs. (vec_shl_optab, vec_shr_optab): New optabs. (expand_vec_shift_expr): New function declaration. * tree.def (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR): New tree-codes. * tree-inline.c (estimate_num_insns_1): Handle new tree-codes. * expr.c (expand_expr_real_1): Handle new tree-codes. * tree-pretty-print.c (dump_generic_node, op_symbol, op_prio): Likewise. * tree-vect-generic.c (expand_vector_operations_1): Add assert. * tree-vect-transform.c (vect_create_epilog_for_reduction): Add two alternatives for generating reduction epilog code. (vectorizable_reduction): Don't fail of direct reduction support is not available. (vectorizable_target_reduction_pattern): Likewise. * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf, reduc_umax_v4si, reduc_smin_v4si, reduc_smin_v4sf, reduc_umin_v4si, reduc_plus_v4si, reduc_plus_v4sf): Removed. (vec_shl_<mode>, vec_shr_<mode>, altivec_vsumsws_nomode, reduc_splus_<mode>, reduc_uplus_v16qi): New. From-SVN: r101231
2005-06-18expr.c (store_constructor): Use store of 0 to indicate value death instead ↵Richard Henderson1-2/+2
of a clobber. * expr.c (store_constructor): Use store of 0 to indicate value death instead of a clobber. * config/i386/i386.c (ix86_expand_reduc_v4sf): New. * config/i386/i386-protos.h (ix86_expand_reduc_v4sf): Declare. * config/i386/sse.md (reduc_plus_v4sf): New. (reduc_smax_v4sf, reduc_smin_v4sf): New. From-SVN: r101169
2005-06-18tree.def (REDUC_MAX_EXPR, [...]): New tree-codes.Dorit Nuzman1-0/+10
* tree.def (REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR): New tree-codes. * optabs.h (OTI_reduc_smax, OTI_reduc_umax, OTI_reduc_smin, OTI_reduc_umin, OTI_reduc_plus): New optabs for reduction. (reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab, reduc_plus_optab): New optabs for reduction. * expr.c (expand_expr_real_1): Handle new tree-codes. * tree-inline.c (estimate_num_insns_1): Handle new tree-codes. * tree-pretty-print.c (dump_generic_node, op_prio, op_symbol): Handle new tree-codes. * optabs.c (optab_for_tree_code): Handle new tree-codes. (init_optabs): Initialize new optabs. * genopinit.c (optabs): Define handlers for new optabs. * tree-vect-analyze.c (vect_analyze_operations): Fail vectorization in case of a phi that is marked as relevant. Call vectorizable_reduction. (vect_mark_relevant): Phis may be marked as relevant. (vect_mark_stmts_to_be_vectorized): The use corresponding to the reduction variable in a reduction stmt does not mark its defining phi as relevant. Update documentation accordingly. (vect_can_advance_ivs_p): Skip reduction phis. * tree-vect-transform.c (vect_get_vec_def_for_operand): Takes additional argument. Handle reduction. (vect_create_destination_var): Update call to vect_get_new_vect_var. Handle non-vector argument. (get_initial_def_for_reduction): New function. (vect_create_epilog_for_reduction): New function. (vectorizable_reduction): New function. (vect_get_new_vect_var): Handle new vect_var_kind. (vectorizable_assignment, vectorizable_operation, vectorizable_store, vectorizable_condition): Update call to vect_get_new_vect_var. (vect_transform_stmt): Call vectorizable_reduction. (vect_update_ivs_after_vectorizer): Skip reduction phis. (vect_transform_loop): Skip if stmt is both not relevant and not live. * tree-vectorizer.c (reduction_code_for_scalar_code): New function. (vect_is_simple_reduction): Was empty - added implementation. * tree-vectorizer.h (vect_scalar_var): New enum vect_var_kind value. (reduc_vec_info_type): New enum vect_def_type value. * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf, reduc_umax_v4si, reduc_smin_v4si, reduc_umin_v4sf, reduc_smin_v4sf, reduc_plus_v4si, reduc_plus_v4sf): New define_expands. * tree-vect-analyze.c (vect_determine_vectorization_factor): Remove ENABLE_CHECKING around gcc_assert. * tree-vect-transform.c (vect_do_peeling_for_loop_bound, (vect_do_peeling_for_alignment, vect_transform_loop, vect_get_vec_def_for_operand): Likewise. From-SVN: r101155
2005-06-07tree-ssa-address.c: New file.Zdenek Dvorak1-5/+13
* tree-ssa-address.c: New file. * Makefile.in (tree-ssa-address.o): Add. * expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on INDIRECT_REFs. Handle TARGET_MEM_REFs. * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs. * tree-flow.h (struct mem_address): New. (struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c. (create_mem_ref, addr_for_mem_ref, get_address_description, maybe_fold_tmr, multiplier_allowed_in_address_p, multiply_by_cost): Declare. * tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs. * tree-pretty-print.c (dump_generic_node): Ditto. * tree-ssa-loop-im.c (for_each_index): Ditto. * tree-ssa-loop-ivopts.c (may_be_unaligned_p, find_interesting_uses_address): Ditto. (rewrite_address_base, build_addr_strip_iref): Removed. (struct affine_tree_combination): Moved to tree-flow.h. (get_ref_tag, copy_ref_info): New functions. (rewrite_use_address): Produce TARGET_MEM_REFs. (tree_ssa_iv_optimize): Do not call update_ssa and rewrite_into_loop_closed_ssa. (tree_to_aff_combination): Use build_fold_addr_expr instead of build_addr_strip_iref. (unshare_aff_combination): New function. (fold_affine_sum): Removed. (get_computation_at): Use get_computation_aff. Unshare the result. (get_computation_aff, multiplier_allowed_in_address_p): New function. (multiply_by_cost): Exported. (get_address_cost): Use multiplier_allowed_in_address_p. * tree-ssa-operands.c (get_tmr_operands): New function. (get_expr_operands): Handle TARGET_MEM_REFs. * tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs. (build): Handle 7 arguments. (build7_stat): New function. * tree.def (TARGET_MEM_DEF): New. * tree.h (REF_ORIGINAL): Removed. (TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL, TMR_TAG, build7): New macros. (build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare. * tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr. * doc/c-tree.texi: Document TARGET_MEM_REF. * doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar. * gcc.dg/tree-ssa/loop-2.c: Update outcome. * gcc.dg/tree-ssa/loop-3.c: Update outcome. * gcc.dg/tree-ssa/loop-4.c: Update outcome. * gcc.dg/tree-ssa/loop-9.c: New test. From-SVN: r100708
2005-06-06expr.c (do_store_flag): Remove check for non-negative BRANCH_COST.Eric Christopher1-2/+1
2005-06-06 Eric Christopher <echristo@redhat.com> target/21927 * expr.c (do_store_flag): Remove check for non-negative BRANCH_COST. From-SVN: r100670
2005-06-04cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P.Daniel Berlin1-1/+1
2005-06-01 Daniel Berlin <dberlin@dberlin.org> * cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P. * dwarf2out.c (loc_descriptor_from_tree_1): Ditto. * expr.c (expand_var): Ditto. * function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too. * gimplify.c (gimplify_decl_expr): Ditto. (gimplify_expr): Ditto. * tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P. * tree.c (value_expr_for_decl): New. (print_value_expr_statistics): New. (init_ttree): Init value_expr_for_decl. (decl_value_expr_lookup): New. (decl_value_expr_insert): Ditto. (copy_node_stat): Copy DECL_VALUE_EXPR status. * tree.h (DECL_VALUE_EXPR): Use hashtable. (SET_DECL_VALUE_EXPR): New. (DECL_HAS_VALUE_EXPR_P): New. From-SVN: r100592
2005-05-31expr.c (convert_move): When a partial_int requires multiple conversion steps...DJ Delorie1-4/+12
* expr.c (convert_move): When a partial_int requires multiple conversion steps, make sure successive steps convert the intermediate value, not the original value. * expmed.c (expand_mult): Convert partial_int multiplies to shift/add combinations too. * genmodes.c (mode_data): Add wider_2x. (calc_wider_mode): Calculate twice-wider mode too. (emit_mode_wider): Emit twice-wider mode too. * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New. * expr.c (expand_expr_real_1): Use it for expanding multiplies. From-SVN: r100414
2005-05-17Makefile.in: Add tree-ssa-math-opts.c.Paolo Bonzini1-12/+0
gcc: 2005-05-17 Paolo Bonzini <bonzini@gnu.org> * Makefile.in: Add tree-ssa-math-opts.c. * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b). * fold-const.c (distribute_real_division): New. (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it. * tree-pass.h (pass_cse_reciprocals): New. * tree-optimize.c (init_tree_optimization_passes): Run it. * tree-ssa-math-opts.c: New file. * doc/passes.texi: Document the new pass. gcc/testsuite: 2005-05-17 Paolo Bonzini <bonzini@gnu.org> * gcc.dg/fold-div-1.c, gcc.dg/recip-1.c, gcc.dg/recip-2.c: New. From-SVN: r99826
2005-05-04re PR middle-end/21265 (GCC fails to optimize tail call to memset)Jakub Jelinek1-12/+19
PR middle-end/21265 * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL. (clear_storage): Add argument. * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall): Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to tailcall. (emit_block_move): Handle BLOCK_OP_TAILCALL method. (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL. (store_expr, store_constructor): Adjust callers. * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL to emit_block_move if CALL_EXPR_TAILCALL (exp). (expand_builtin_memmove): Add ORIG_EXP argument, copy CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR. (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments with EXP. Pass EXP to expand_builtin_memmove. (expand_builtin_memset): Add ORIG_EXP argument, pass BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp). (expand_builtin_bzero): Replace ARGLIST argument with EXP. Pass EXP to expand_builtin_memset. (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR. (expand_builtin_strncmp): Likewise. (expand_builtin_printf): Replace ARGLIST argument with EXP. Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR. (expand_builtin_fprintf): Likewise. (expand_builtin): Adjust calls to expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}. * gcc.dg/20050503-1.c: New test. From-SVN: r99187
2005-04-28bt-load.c, [...]: Use JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and ↵Kazu Hirata1-3/+3
INSN_P where appropriate. * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c, function.c, global.c, lcm.c, loop-invariant.c, optabs.c, reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P where appropriate. From-SVN: r98913
2005-04-27dojump.c: Fix comment typos.Kazu Hirata1-14/+14
* dojump.c: Fix comment typos. emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c: Use fold_buildN instead of fold (buildN (...)). From-SVN: r98848
2005-04-22builtins.c (gimplify_va_arg_expr): Reword comments to avoid 'abort'.Nathan Sidwell1-8/+7
* builtins.c (gimplify_va_arg_expr): Reword comments to avoid 'abort'. Use gcc_assert and gcc_unreachable as appropriate. * c-format.c (get_constant, decode_format_attr, get_flag_spec, find_char_info_specifier_index, find_length_info_modifier_index): Likewise. * c-typeck.c (composite_type, pop_init_level): Likewise. * combine.c (cant_combine_insn_p, try_combine): Likewise. * cse.c (cse_insn): Likewise * dominance.c (calc_dfs_tree): Likewise dwarf2out.c (loc_descriptor_from_tree_1, add_abstract_origin_attribute, force_decl_die, force_type_die): Likewise emit-rtl.c (operand_subword_force): Likewise explow.c (hard_function_value): Likewise expmed.c (store_bit_field, expand_divmod, emit_store_flag_force): Likewise expr.c (emit_move_multi_word, store_expr, expand_expr_real_1): Likewise final.c (this_is_asm_operands, shorten_branches, final_scan_insn, output_operand): Likewise flow.c (recompute_reg_usage): Likewise * function.c (assign_stack_temp_for_type, assign_temp, handle_epilogue_set): Likewise * genextract.c (main): Likewise * gimplify.c (mostly_copy_tree_r, gimplify_return_expr, gimplify_modify_expr_rhs, gimplify_expr): Likewise * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element, ready_remove, rm_line_notes, rm_other_notes, schedule_block): Likewise mips-tfile.c (copy_object, out_of_bounds): Likewise From-SVN: r98567
2005-04-21Fix for latent bug in splitting arguments exposed by ↵Alan Modra1-2/+3
rs6000_arg_partial_bytes rewrite. Fix for latent bug in splitting arguments exposed by rs6000_arg_partial_bytes rewrite. Oked by Richard Henderson. Co-Authored-By: Fariborz Jahanian <fjahanian@apple.com> From-SVN: r98507
2005-04-14re PR middle-end/14311 (builtins for atomic operations needed)Richard Henderson1-0/+24
PR middle-end/14311 * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2, BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2, BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1, BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8, BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4, BT_FN_I8_VPTR_I8_I8): New. * builtins.def (DEF_SYNC_BUILTIN): New. (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1, BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4, BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N, BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2, BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8, BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1, BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4, BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N, BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2, BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8, BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1, BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4, BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N, BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2, BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8, BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1, BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4, BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N, BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2, BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8, BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1, BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4, BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N, BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2, BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8, BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1, BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4, BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N, BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2, BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8, BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1, BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4, BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N, BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2, BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8, BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1, BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4, BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N, BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2, BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8, BUILT_IN_SYNCHRONIZE: New. * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN as a function. Accept __sync_ as a prefix as well. (expand_builtin_sync_operation, expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set, expand_builtin_synchronize, expand_builtin_lock_release): New. (expand_builtin): Call them. * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if neither BOTH_P nor FALLBACK_P are defined. (builtin_type_for_size): New. (sync_resolve_size, sync_resolve_params, sync_resolve_return): New. (resolve_overloaded_builtin): New. * c-common.h (resolve_overloaded_builtin): Declare. (builtin_type_for_size): Declare. * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin. * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab, sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab, sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap, sync_compare_and_swap_cc, sync_lock_test_and_set, sync_lock_release): New. * optabs.h: Declare them. * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap, expand_sync_operation, expand_sync_fetch_operation, expand_sync_lock_test_and_set): Declare. * genopinit.c (optabs): Add sync optabs. * optabs.c (init_optabs): Initialize sync optabs. (expand_val_compare_and_swap_1, expand_val_compare_and_swap, expand_bool_compare_and_swap, expand_compare_and_swap_loop, expand_sync_operation, expand_sync_fetch_operation, expand_sync_lock_test_and_set): New. * doc/extend.texi (Atomic Builtins): New section * doc/md.texi (Standard Names): Add sync patterns. From-SVN: r98154
2005-03-30tree.def (FILE_TYPE): Removed.Tom Tromey1-1/+0
gcc: * tree.def (FILE_TYPE): Removed. * typeclass.h (enum type_class): Removed file_type_class. * dwarf2out.c (is_base_type): Updated. (gen_type_die): Likewise. * dbxout.c (dbxout_type): Updated. * builtins.c (type_to_class): Updated. * tree.c (type_contains_placeholder_1): Updated. * config/sparc/sparc.c (sparc_type_code): Updated. * config/ia64/ia64.c (hfa_element_mode): Updated. * expr.c (count_type_elements): Updated. * stor-layout.c (layout_type): Updated. * tree-inline.c (remap_type): Updated. * tree-pretty-print.c (dump_generic_node): Updated. gcc/java: * decl.c (gnat_substitute_in_type): Don't handle FILE_TYPE. From-SVN: r97282
2005-03-11re PR rtl-optimization/20306 (FP complex modes moved via GPRs)David Edelsohn1-11/+17
PR rtl-optimization/20306 * expr.c (emit_move_complex): Set try_int false if mode is MODE_COMPLEX_FLOAT and mov_optab exists for inner mode. Only try emit_block_move if try_int is true. From-SVN: r96312
2005-03-10expr.c (expand_expr_real_1): If possible, use a conditional move for ↵Steven Bosscher1-7/+48
expanding MIN_EXPR and MAX_EXPR. * expr.c (expand_expr_real_1): If possible, use a conditional move for expanding MIN_EXPR and MAX_EXPR. Use temp for moving around rtx-en. From-SVN: r96269
2005-03-09* expr.c (expand_assignment): Remove orig_to_rtx.Kazu Hirata1-2/+1
From-SVN: r96164
2005-03-02PR middle-end/18029 and PR middle-end/18030Kazu Hirata1-0/+35
PR middle-end/18029 and PR middle-end/18030 * expr.c (optimize_bitfield_assignment_op): Add a special case to handle BIT_IOR_EXPR and BIT_XOR_EXPR. From-SVN: r95782
2005-01-29re PR middle-end/19689 (ICE in store_bit_field, at expmed.c)Richard Henderson1-6/+12
PR middle-end/19689 * expr.c (store_field): Don't strip sub-mode cast when the input data is even smaller. From-SVN: r94429
2005-01-29re PR middle-end/19687 (ICE with union initializer)Richard Henderson1-19/+23
PR middle-end/19687 * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a union being empty. From-SVN: r94421
2005-01-26For real this time...Richard Henderson1-1/+15
PR middle-end/18008 * c-decl.c (finish_struct): Set DECL_MODE after resetting a field's type. * expr.c (store_field): Strip conversions to odd-bit-sized types if the destination field width matches. From-SVN: r94294
2005-01-26Revert last change.Richard Henderson1-15/+1
From-SVN: r94291
2005-01-26re PR middle-end/18008 (Duplicate mask on bitfield insertion)Richard Henderson1-1/+15
PR middle-end/18008 * c-decl.c (finish_struct): Set DECL_MODE after resetting a field's type. * expmed.c (store_fixed_bit_field): Create a paradoxical subreg if we don't need the bits above those present in the current mode. * expr.c (store_field): Strip conversions to odd-bit-sized types if the destination field width matches. From-SVN: r94290
2005-01-26re PR middle-end/19515 (Violation of C99 6.7.8 §21 for unions)Richard Henderson1-8/+48
PR middle-end/19515 * expr.c (categorize_ctor_elements): New argument p_must_clear. (categorize_ctor_elements_1): Likewise. Detect a union that isn't fully initialized. (mostly_zeros_p): Update for new categorize_ctor_elements argument. * gimplify.c (gimplify_init_constructor): Likewise. Only shove objects into static storage if they have more than one non-zero value. * tree.h (categorize_ctor_elements): Update decl. From-SVN: r94266
2005-01-23alias.c, [...]: Fix comment typos.Kazu Hirata1-2/+2
* alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c, fold-const.c, gimplify.c, params.h, tree-data-ref.c, tree-if-conv.c, tree-nested.c, tree-outof-ssa.c, tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c, config/freebsd-spec.h, config/arm/arm.h, config/h8300/h8300.md, config/i386/i386.md, config/i386/predicates.md, config/i386/sse.md, config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c, config/vax/vax.md: Fix comment typos. Follow spelling conventions. From-SVN: r94112
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