+2004-07-04 Neil Booth <neil@duron.akihabara.co.uk>
+
+ * doc/cpp.texi: Don't document what we do for ill-formed expressions.
+ * doc/cppopts.texi: Clarify processing of command-line defines.
+
+2004-07-04 Gerald Pfeifer <gerald@pfeifer.com>
+
+ * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
+
+2004-07-04 Richard Henderson <rth@redhat.com>
+
+ * rtl.def (ADDRESSOF): Remove.
+ * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
+ (find_base_term, memrefs_conflict_p): Likewise.
+ * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
+ (fold_rtx, cse_insn, set_live_p): Likewise.
+ * dwarf2out.c (mem_loc_descriptor): Likewise.
+ (add_location_or_const_value_attribute): Likewise.
+ * emit-rtl.c (copy_insn_1): Likewise.
+ * explow.c (memory_address): Likewise.
+ * expmed.c (store_split_bit_field): Likewise.
+ * expr.c (expand_expr_real_1): Likewise.
+ * function.c (instantiate_decl
+ (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
+ * genrecog.c (preds, validate_pattern): Likewise.
+ * integrate.c (copy_rtx_and_substitute): Likewise.
+ * recog.c (general_operand, register_operand): Likewise.
+ (memory_address_p): Likwise.
+ * reload1.c (eliminate_regs, elimination_effects): Likewise.
+ * rtl.c (copy_rtx): Likewise.
+ * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
+ (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
+ * rtlhooks.c (gen_lowpart_general): Likewise.
+ * stmt.c (expand_asm_operands): Likewise.
+ * web.c (entry_register, replace_ref, web_main): Likewise.
+ * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
+ alpha_expand_block_move, alpha_expand_block_clear): Likewise.
+ * config/arm/arm.c (thumb_rtx_costs): Likewise.
+ * config/c4x/c4x.c (c4x_valid_operands): Likewise.
+ * config/frv/frv.c (move_destination_operand, move_source_operand,
+ condexec_dest_operand, condexec_source_operand,
+ condexec_memory_operand): Likewise.
+ * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
+ * config/ia64/ia64.c (general_xfmode_operand): Likewise.
+ (destination_xfmode_operand): Likewise.
+ * config/mips/mips.h (PREDICATE_CODES): Likewise.
+ * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
+ * config/s390/s390.c (general_s_operand): Likewise.
+ * config/s390/s390.md (mov*): Likewise.
+ * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
+
+ * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
+ * expr.c (expand_expr_real_1): Likewise.
+ * stmt.c (expand_decl): Likewise.
+ * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
+
+ * function.c (struct fixup_replacement, struct insns_for_mem_entry,
+ postponed_insns, put_var_into_stack, put_reg_into_stack,
+ schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
+ fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
+ fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
+ walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
+ gen_mem_addressof, flush_addressof, put_addressof_into_stack,
+ purge_bitfield_addressof_replacements, purge_addressof_replacements,
+ purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
+ struct insns_for_mem_walk_info, insns_for_mem_walk,
+ compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
+ setjmp_protect_args): Remove.
+ (push_function_context_to): Don't handle var_refs_queue.
+ (pop_function_context_from, free_after_compilation): Likewise.
+ (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
+ (assign_parms, allocate_struct_function): Likewise.
+ (use_register_for_decl): New.
+ (expand_function_end): Don't setjmp_protect.
+ * function.h (struct emit_status): Update commentary.
+ (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
+ (max_parm_reg, parm_reg_stack_loc): Remove.
+ * passes.c (DFI_addressof): Remove.
+ (dump_file_info): Remove addressof.
+ (rest_of_handle_addressof): Remove.
+ (rest_of_compilation): Don't call it.
+ * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
+ * stmt.c (expand_decl): Use use_register_for_decl.
+ * tree.h: Update decls.
+ * web.c (mark_addressof): Remove.
+ * doc/invoke.texi (-dF): Remove.
+
+2004-07-03 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
+ instead of gen_mem_addressof.
+ * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
+ TImode output register.
+
+2004-07-03 Richard Henderson <rth@redhat.com>
+
+ PR tree-optimization/16341
+ * tree-sra.c (sra_walk_function): Increment to next stmt before
+ processing the current stmt.
+ (sra_insert_after): Always use BSI_SAME_STMT.
+
+2004-07-03 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
+ fp plus with minus.
+
+2004-07-03 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
+ with tree_int_cst_equal.
+
+2004-07-03 Andreas Schwab <schwab@suse.de>
+
+ * config/ia64/ia64.md: Define new attribute "empty".
+ (prologue_use, nop_x, insn_group_barrier): Set it.
+
+ * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
+ skip over "empty" insns.
+
+2004-07-03 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree-inline.c (initialize_inlined_parameters): Pass proper function
+ context to gimplify_body.
+ (walk_tree): Don't walk into types twice.
+ (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
+
+ * tree-sra.c (generate_element_init): Remove any useless conversions.
+
+ * gimplify.c (gimplify_conversion): Remove stripping useless
+ conversions from here.
+ (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
+ (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
+ Unshare before substituting PLACEHOLDER_EXPR.
+ (gimplify_modify_expr_to_memset): Likewise.
+ Pass address of TO to memset, not TO itself.
+ (gimplify_init_constructor): Make copy of OBJECT so we have it each
+ time we make an expression (to match a PLACEHOLDER_EXPR).
+
+ * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
+ VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
+ * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
+ * tree-ssa-dom.c (local_fold): Likewise.
+
+ * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
+ * langhooks.h (strct lang_hooks): New field type_max_size.
+ * function.c (assign_temp): Call it.
+
+2004-07-03 Steven Bosscher <stevenb@suse.de>
+
+ * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
+ * config/sh/sh.md: Convert the SH1 pipeline description to
+ a DFA model.
+
+2004-07-02 Zack Weinberg <zack@codesourcery.com>
+
+ * c-decl.c (struct c_binding): Remove contour field; add
+ depth, invisible, nested fields.
+ (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
+ (B_IN_EXTERNAL_SCOPE): New convenience macros.
+ (bind): Add invisible and nested arguments. Initialize
+ new fields of struct c_binding; adjust loop scanning for
+ insertion point.
+ (free_binding_and_advance): Clear structure with memset.
+ (pop_scope): Adjust to match. Set DECL_CONTEXT on everything
+ in file scope, even if it's in external scope too.
+ (pushdecl): Adjust to match. Create invisible file-scope
+ declarations for block-scope forward declarations of static functions.
+ (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
+ (undeclared_variable, lookup_label, declare_label, define_label)
+ (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
+ (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
+ (store_parm_decls_oldstyle): Adjust to match.
+ (diagnose_mismatched_decls): Correct handling of linkage clashes.
+ (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
+
+ * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
+ (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
+
+2004-07-02 Richard Henderson <rth@redhat.com>
+
+ * c-decl.c (grokdeclarator): Don't frob current_function_decl
+ around variable_size.
+ (set_decl_nonlocal): Remove.
+ (store_parm_decls): Add stmts for pending sizes.
+ * calls.c (calls_function, calls_function_1): Remove.
+ (precompute_arguments): Don't call it.
+ * cfgexpand.c (set_save_expr_context): Remove.
+ (tree_expand_cfg): Don't call it.
+ * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
+ (dwarf2out_finish): Likewise.
+ * expr.c (emit_block_move): Adjust addresses to BLKmode.
+ (store_constructor): Don't pre-evaluate SAVE_EXPR.
+ (safe_from_p): Don't queue SAVE_EXPRs.
+ (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
+ or build plain VAR_DECLs.
+ * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
+ (fold): Likewise.
+ (fold_checksum_tree): Don't special-case SAVE_EXPR.
+ * function.c (free_after_compilation): Don't clear x_save_expr_regs.
+ (put_var_into_stack): Don't handle SAVE_EXPR.
+ (gen_mem_addressof): Likewise.
+ * function.h (struct function): Remove x_save_expr_regs.
+ (save_expr_regs): Remove.
+ * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
+ * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
+ * stor-layout.c (variable_size): Don't set it.
+ (force_type_save_exprs, force_type_save_exprs_1): Remove.
+ * tree-inline.c (remap_save_expr): Remove fn argument. Update
+ all callers. Don't set SAVE_EXPR_CONTEXT.
+ * tree-inline.h (remap_save_expr): Update decl.
+ * tree.c (save_expr): Update build size.
+ (first_rtl_op): Don't handle SAVE_EXPR.
+ (unsave_expr_1, contains_placeholder_p): Likewise.
+ (decl_function_context): Likewise.
+ * tree.def (SAVE_EXPR): Remove args 1 and 2.
+ * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
+ (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
+
+2004-07-03 Joseph S. Myers <jsm@polyomino.org.uk>
+
+ * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
+ doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
+ doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
+ doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
+ some first-person references and patronizing comments. Based on
+ printed manual.
+ * doc/invoke.texi: Don't reference fortran@gnu.org.
+ * doc/trouble.texi (Warning when a non-void function value is
+ ignored): Rewrite. From Russ Allbery and Chris Devers.
+
+2004-07-02 Daniel Berlin <dberlin@dberlin.org)
+
+ * tree-ssa-pre.c (bitmap_set_t): New.
+ (bb_value_sets): avail_out is now a bitmap_set_t.
+ (bitmap_find_leader): New function.
+ (bitmap_value_insert_into_set): Ditto.
+ (bitmap_set_copy): Ditto.
+ (bitmap_value_replace_in_set): Ditto.
+ (bitmap_set_contains_value): Ditto.
+ (bitmap_set_new): Ditto.
+ (bitmap_set_pool): New pool.
+ (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
+ (insert_aux): Ditto.
+ (add_to_sets): Ditto.
+ (compute_avail): Ditto
+ (eliminate): Ditto.
+ (init_pre): Ditto.
+ (fini_pre): Ditto.
+ (execute_pre): Ditto.
+
+2004-07-02 Roger Sayle <roger@eyesopen.com>
+
+ * config/rs6000/rs6000.c (struct processor_costs): New structure
+ used to hold instruction latencies/sizes for processor types.
+ (rs6000_cost): New global variable pointing to current CPU's costs.
+ (rs6000_override_options): Initialize rs6000_cost to point to the
+ appropriate cost table based upon rs6000_cpu and optimize_size.
+ (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
+ timings inline.
+
2004-07-02 Richard Henderson <rth@redhat.com>
* expmed.c (make_tree): Don't use SET_DECL_RTL.
* c-typeck.c (lvalue_p): Don't handle it.
* expr.c (safe_from_p): Likewise.
(expand_expr_real_1): Likewise.
- * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
+ * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
(fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
* gengtype.c (adjust_field_tree_exp): Likewise.
* stmt.c (warn_if_unused_value): Likewise.
* builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
expand_builtin): Likewise.
* calls.c (expand_call, emit_library_call_value_1, store_one_arg):
- Likewise.
+ Likewise.
* combine.c (can_combine_p, combinable_i3pat, try_combine,
find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
emit_move_insn_1, expand_assignment, store_expr,
store_constructor_field, store_constructor, store_field,
force_operand, safe_from_p, expand_expr_real_1, expand_increment):
- Likewise.
+ Likewise.
* final.c (cleanup_subreg_operands, alter_subreg,
get_mem_expr_from_op): Likewise.
* flow.c (notice_stack_pointer_modification_1,
init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
- Likewise.
+ Likewise.
* function.c (mark_temp_addr_taken, preserve_temp_slots,
preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
optimize_bit_field, flush_addressof, purge_addressof_1,
import_export_class.
* target-def.h (TARGET_CXX): Initialise the new field.
(TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
- the new field.
+ the new field.
* doc/tm.texi: Document the new target hook.
2004-07-01 Paolo Bonzini <bonzini@gnu.org>
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