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1 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
2
3         PR target/13506
4         * toplev.c (crash_signal): If we crashed while emitting
5         a user asm, then die more gracefully.
6
7 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
8
9         PR target/17119.
10         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
11         checking for a valid constant, regardless of sign.
12
13 2004-08-25  Richard Henderson  <rth@redhat.com>
14
15         PR target/16974
16         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
17         if the constant satisfies add_operand.
18
19 2004-08-25  Richard Henderson  <rth@redhat.com>
20  
21         PR debug/10695
22         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
23         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
24         unwind info for >16-bit frames.
25
26 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
27
28         PR target/17171
29         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
30
31 2004-08-25  Richard Henderson  <rth@redhat.com>
32
33         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
34         (TARGET_CANNOT_FORCE_CONST_MEM): New.
35
36 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
37
38         * doc/tree-ssa.texi: Document new operand iterator.
39
40 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
41
42         PR target/16480
43         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
44         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
45         as PLUS base regs.
46
47 2005-08-28  Paul Brook  <paul@codesourcery.com>
48
49         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
50         -mfpu=vfp -march=armv5t
51         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
52
53 2004-08-25  Richard Henderson  <rth@redhat.com>
54
55         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
56         * target.h (struct gcc_target): Add scalar_mode_supported_p.
57         * targhooks.c (default_scalar_mode_supported_p): New.
58         * targhooks.h (default_scalar_mode_supported_p): Declare.
59         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
60
61         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
62         before attempting to create types.  Tidy.
63         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
64
65         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
66         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
67
68 2004-08-25  Richard Henderson  <rth@redhat.com>
69
70         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
71         set REAL_MODE_FORMAT for TFmode.
72
73 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
74
75         * c-decl.c (grokparm): New function.
76         * c-tree.h (grokparm): New prototype.
77
78 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
79
80         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
81         iterator controlling structure.
82         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
83         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
84         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
85         iterator flags.
86         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
87         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
88         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
89         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
90         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New. 
91         Empty operand pointers.
92         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
93         (op_iter_next_use): New.  Return next use_operand_p.
94         (op_iter_next_def): New.  Return next def_operand_p.
95         (op_iter_next_tree): New.  Return next operands as a tree.
96         (op_iter_init): New.  Initialize an iterator structure.
97         (op_iter_init_use): New.  Initialize structure and get the first use.
98         (op_iter_init_def): New.  Initialize structure and get the first def.
99         (op_iter_init_tree): New.  Initialize structure and get the first tree.
100         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
101         (op_iter_init_maydef): New.  Initialize structure and get the first 
102         V_MAY_DEF operands.
103         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
104         * tree-dfa.c (compute_immediate_uses_for_stmt, 
105         redirect_immediate_uses): Use new operand iterator.
106         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
107         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
108         operands instead of using *_disappeared_p routines.
109         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
110         ssa_rewrite_stmt): Use new operand iterator.
111         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
112         rewrite_trees): Use new operand iterator.
113         * tree-pretty-print.c (dump_vops): Use new operand iterator.
114         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
115         * tree-ssa-alias.c (compute_points_to_and_addr_escape, 
116         dump_points_to_info): Use new operand iterator.
117         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize, 
118         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new 
119         operand iterator.
120         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary, 
121         propagate_necessity): Use new operand iterator.
122         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
123         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
124         a parameter instead of a stmt_ann_t.
125         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
126         build_tree_conflict_graph): Use new operand iterator.
127         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
128         rewrite_mem_refs): Use new operand iterator.
129         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, 
130         check_loop_closed_ssa_use): Use new operand iterator.
131         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
132         * tree-ssanames.c (release_defs): Use new operand iterator.
133         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
134
135 2004-08-25  Adam Nemet  <anemet@lnxw.com>
136
137         * tlink.c (initial_cwd): New variable.
138         (tlink_init): Initialize it.
139         (recompile_files): Use tlink_execute() instead of system().  Don't
140         duplicate verbose output of collect_execute.  Restore initial_cwd.
141         Update comment before the function.
142
143 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
144
145         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
146         accept) a cast from one Objective-C pointer type to another.
147
148 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
149
150         * doc/install.texi: Document that libstdc++-v3 requires
151         now automake 1.9.1.
152
153 2004-08-25  Caroline Tice  <ctice@apple.com>
154
155         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
156         to comments at start of function.
157         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
158         comment.
159         * cfgcleanup.c (try_simplify_condjump, try_forward_edges, 
160         merge_blocks_move_predecessor_nojumps, 
161         merge_blocks_move_successor_nojumps, merge_blocks_move, 
162         try_crossjump_to_edge, try_crossjump_bb): Likewise.
163         * cfglayout.c (fixup_reorder_chain): Likewise.
164         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
165         cfg_layout_can_merge_blocks_p):  Likewise.
166         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
167         * passes.c (rest_of_compilation): Update comments for calling 
168         optimization that partitions hot/cold basic blocks.
169         * doc/invoke.texi:  Update documentation of 
170         freorder-blocks-and-partition flag.
171         
172 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
173
174         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
175         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
176
177 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
178
179         * config/mips/mips.md (any_shift): New code macro.
180         (optab, insn): New code attributes.
181         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
182         Use the standard rather than internal patterns for the MIPS16
183         double-shift optimization.
184         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
185         Redefine using :GPR and any_shift.
186         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
187         to cover all three shifts.
188         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
189         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
190         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
191
192 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
193
194         * gimplify.c (lookup_tmp_var): Separate temporaries when not
195         optimizing.
196
197 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
198
199         PR libstdc++/17005 (fix for HP-UX 11.11)
200         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
201         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
202         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.  
203         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
204         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
205         (LINK_SPEC): Handle march=1.0 option.
206         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
207         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
208         (SUBTARGET_OPTIONS): New define.
209         (LINK_SPEC): Handle march=1.0 option.
210         (STARTFILE_SPEC): New define.
211         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
212         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
213         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
214         (SUBTARGET_OPTIONS): New define.
215         (LINK_SPEC): Handle march=1.0 option.
216         (STARTFILE_SPEC): New define.
217         * config/pa/pa.c (override_options): Add code to process -munix= option.
218         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
219         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
220         defines.
221         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
222         (SUBTARGET_OPTIONS): Provide default define.
223         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
224         STANDARD_STARTFILE_PREFIX_2): New defines.
225         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
226         (ENDFILE_SPEC): Use %O.
227         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
228         Mention issue caused by changing namespace and runtime to UNIX 95/98.
229         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
230         Document -munix=std option.
231
232 2004-08-25  Steven Bosscher  <stevenb@suse.de>
233
234         * cse.c (cse_around_loop, cse_check_loop_start,
235         cse_set_around_loop): Remove.
236         (cse_basic_block): Remove the around_loop argument.
237         (cse_end_of_basic_block): Remove the after_loop argument.
238         (cse_main): Likewise.
239         * rtl.h (cse_main): Update prototype.
240         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
241         rest_of_handle_gcse): Update cse_main calls.
242
243 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
244
245         * tree.h  (build_int_cst): New, sign extended constant.
246         (build_int_cstu): New, zero extended constant.
247         (build_int_cst_wide): Renamed from build_int_cst.
248         * tree.c (build_int_cst, build_int_cstu): New.
249         (build_int_cst_wide): Renamed from build_int_cst.
250         (make_vector_type, build_common_tree_nodes,
251         build_common_tree_nodes_2): Adjust build_int_cst calls.
252         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
253         expand_builtin_strpbrk, expand_builtin_fputs,
254         build_string_literal, expand_builtin_printf,
255         expand_builtin_sprintf, fold_builtin_classify_type,
256         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
257         fold_builtin_toascii, fold_builtin_isdigit,
258         simplify_builtin_strstr, simplify_builtin_strpbrk,
259         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
260         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
261         DEF_ATTR_INT): Likewise.
262         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
263         Likewise.
264         * c-lex.c (interpret_integer, lex_charconst): Likewise.
265         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
266         * c-pretty-print.c (pp_c_integer_constant): Likewise.
267         * c-typeck.c (really_start_incremental_init, push_init_level,
268         set_nonincremental_init_from_string): Likewise.
269         * calls.c (load_register_parameters): Likewise.
270         convert.c (convert_to_pointer): Likewise.
271         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
272         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
273         build_gcov_info): Likewise.
274         * except.c (init_eh, assign_filter_values): Likewise.
275         * expmed.c (store_fixed_bit_field, extract_bit_field,
276         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
277         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
278         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
279         * expr.c (convert_move, emit_group_load, emit_group_store,
280         expand_assignment, store_constructor, store_field,
281         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
282         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
283         invert_truthvalue, optimize_bit_field_compare,
284         decode_field_reference, all_ones_mask_p, constant_boolean_node,
285         fold_div_compare, fold, fold_read_from_constant_string,
286         fold_negate_const, fold_abs_const, fold_not_const, round_up,
287         round_down): Likewise.
288         * function.c (assign_parm_setup_block): Likewise.
289         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
290         Likewise.
291         * stor-layout.c (layout_type, initialize_sizetypes,
292         set_min_and_max_values_for_integral_type): Likewise.
293         * tree-chrec.c (chrec_fold_multiply_poly_poly,
294         reset_evolution_in_loop): Likewise.
295         * tree-chrec.h (build_polynomial_chrec): Likewise.
296         * tree-complex.c (build_replicated_const): Likewise.
297         * tree-eh.c (honor_protect_cleanup_actions,
298         lower_try_finally_onedest, lower_try_finally_copy,
299         lower_try_finally_switch): Likewise.
300         * tree-mudflap.c (mf_build_string, mx_register_decls,
301         mudflap_register_call, mudflap_enqueue_constant): Likewise.
302         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
303         * tree-pretty-print.c (dump_generic_node): Likewise.
304         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
305         Likewise.
306         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
307         * tree-ssa-loop-niter.c (number_of_iterations_cond,
308         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
309         Likewise.
310         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
311         canonicalize_loop_induction_variables): Likewise.
312         * tree-vectorizer.c (vect_create_index_for_array_ref,
313         vect_transform_loop_bound, vect_compute_data_ref_alignment):
314         Likewise.
315
316         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
317         alpha_gimplify_va_arg_1): Likewise.
318         * config/arm/arm.c (arm_get_cookie_size): Likewise.
319         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
320         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
321         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
322         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
323         mips_gimplify_va_arg_expr): Likewise.
324         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
325         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
326         add_compiler_branch_island): Likewise.
327         * config/s390/s390.c (s390_va_start): Likewise.
328         * config/sh/sh.c (sh_va_start): Likewise.
329         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
330         Likewise.
331         * config/xtensa/xtensa.c (xtensa_va_start,
332         xtensa_gimplify_va_arg_expr): Likewise.
333         
334         * objc/objc-act.c (build_objc_string_object,
335         build_objc_symtab_template, init_def_list, init_objc_symtab,
336         init_module_descriptor, generate_static_references,
337         build_selector_translation_table, get_proto_encoding,
338         build_typed_selector_reference, build_selector_reference,
339         build_next_objc_exception_stuff,
340         build_method_prototype_list_template, generate_descriptor_table,
341         generate_protocols, build_protocol_initializer,
342         build_ivar_list_template, build_method_list_template,
343         build_ivar_list_initializer, generate_ivars_list,
344         generate_dispatch_table, generate_protocol_list,
345         build_category_initializer, build_shared_structure_initializer,
346         generate_shared_structures, handle_impent,
347         generate_objc_image_info): Likewise.
348
349 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
350
351         * cfglayout.c (duplicate_insn_chain): Remove references to
352         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
353         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
354         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
355         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
356         and NOTE_INSN_LOOP_CONT.
357         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
358         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
359         and NOTE_INSN_LOOP_CONT.
360         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
361         check_dbra_loop, loop_dump_aux): Remove references to removed notes
362         and fields.
363         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
364         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
365         references to removed notes and fields.
366         (subtract_reg_term, ujump_to_loop_cont): Remove.
367
368 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
369
370         * doc/install.texi: Document that libcpp does not require
371         Automake any longer.  Document that Automake 1.9.1 should
372         work everywhere.
373
374 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
375
376         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
377         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
378         DWARF_DEBUGGING_INFO from choice-of-definition chain;
379         restructure using C89 features (#elif, #error).
380         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
381         * config/sh/sh.h: Remove references to DWARF_DEBUG.
382         * doc/invoke.texi: Remove references to DWARF version 1;
383         clarify why -gdwarf-2<n> doesn't work.
384
385 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
386
387         * basic-block.h (BB_SET_PARTITION): Clear old value first.
388         * cfg.c (clear_bb_flags): Don't clear partition setting.
389         * ifcvt.c (find_if_case_1): Remove ??? comment.
390
391 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
392
393         PR target/17052
394         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
395         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
396         current_function_stdarg in place of sysv_varargs_p.
397         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
398         sysv_varargs_p.
399
400 2004-08-24  Richard Henderson  <rth@redhat.com>
401
402         PR target/16298
403         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
404         random codes within CONST.
405
406 2004-08-24  James E Wilson  <wilson@specifixinc.com>
407
408         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
409         -freorder-blocks-and-partition.
410
411 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
412
413         PR middle-end/17044
414         * tree-ssa-threadupdate.c (redirection_data): Make static.
415         (thread_block): Use ggc_alloc_cleared to allocate struct
416         redirection_data.  Don't free elements in redirection_data.
417
418 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
419
420         * config/mips/predicates.md (small_data_pattern): Match prefetches.
421
422 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
423
424         PR tree-optimization/17016
425         * tree-ssa-loop-niter.c (number_of_iterations_cond,
426         number_of_iterations_exit): Use POINTER_TYPE_P instead
427         of testing for POINTER_TYPE.
428
429 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
430
431         * tree-ssa-loop-ivcanon.c: New file.
432         * tree-ssa-loop-manip.c (create_iv): New function.
433         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
434         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
435         * cfgloop.c (mark_single_exit_loops): New function.
436         (verify_loop_structure): Verify single-exit loops.
437         * cfgloop.h (struct loop): Add single_exit field.
438         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
439         (mark_single_exit_loops): Declare.
440         (tree_num_loop_insns): Declare.
441         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
442         (duplicate_loop_to_header_edge): Use it.
443         * common.opt (fivcanon): New flag.
444         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
445         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
446         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
447         (bsi_insert_on_edge_immediate): New function.
448         * tree-flow.h (bsi_insert_on_edge_immediate,
449         canonicalize_induction_variables, tree_unroll_loops_completely,
450         create_iv): Declare.
451         * tree-optimize.c (init_tree_optimization_passes): Add
452         pass_iv_canon and pass_complete_unroll.
453         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
454         * tree-scalar-evolution.c (get_loop_exit_condition,
455         get_exit_conditions_rec, number_of_iterations_in_loop,
456         scev_initialize): Use single_exit information.
457         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
458         missing assumptions.
459         (loop_niter_by_eval):  Return number of iterations as unsigned
460         int.
461         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
462         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
463         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
464         New passes.
465         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
466         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
467         the defining statement is ready.
468         * tree-vectorizer.c (vect_create_iv_simple): Removed.
469         (vect_create_index_for_array_ref, vect_transform_loop_bound):
470         Use create_iv.
471         (vect_transform_loop_bound): Use single_exit information.
472         (vect_analyze_loop_form): Cleanup bogus tests.
473         (vectorize_loops): Do not call flow_loop_scan.
474         * tree.h (may_negate_without_overflow_p): Declare.
475         * fold-const.c (may_negate_without_overflow_p): Split out from ...
476         (negate_expr_p): ... this function.
477         (tree_expr_nonzero_p): Handle overflowed constants correctly.
478         * doc/invoke.texi (-fivcanon): Document.
479         * doc/passes.texi: Document canonical induction variable creation.
480
481 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
482
483         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
484         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
485         using the mode of the operand to decide between them.
486         * config/mips/mips.md (MOVECC): New mode macro.
487         (ccreg): New mode attribute.
488         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
489         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
490         (mov[sd]icc): Redefine using :GPR.
491
492 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
493
494         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
495         (mips_prefetch_cookie): New function.
496         * config/mips/mips.c (print_operand_address): Fix handling of
497         ADDRESS_CONST_INT.
498         (mips_emit_prefetch): Delete.
499         (mips_prefetch_cookie): New function.
500         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
501         mode of QImode for the address_operand.  Use mips_prefetch_cookie
502         to calculate the first "pref" operand.
503         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
504         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
505
506 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
507
508         * arm.md: Include predicates.md.
509         * predicates.md: New file.
510         * arm.c (s_register_operand, arm_hard_register_operand)
511         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
512         (arm_immediate_operand, arm_neg_immediate_operand)
513         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
514         (arm_add_operand, arm_addimm_operand, arm_not_operand)
515         (offsettable_memory_operand, alignable_memory_operand)
516         (arm_reload_memory_operand, arm_float_rhs_operand)
517         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
518         (index_operand, shiftable_operator, logical_binary_operator)
519         (shift_operator, equality_operator, arm_comparison_operator)
520         (minmax_operator, cc_register, dominant_cc_register)
521         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
522         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
523         (const_shift_operand, load_multiple_operation)
524         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
525         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
526         (cirrus_register_operand, cirrus_fp_register)
527         (cirrus_shift_const): Delete, replaced with equivalents in
528         predicates.md.
529         (shift_op): Handle ROTATE.
530         * arm-protos.h: Delete declarations for above.
531         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
532         * t-arm (MD_INCLUDES): Add predicates.md.
533         (s-preds): Depends on MD_INCLUDES.
534
535 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
536
537         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
538         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
539         patterns.  Redefine using :GPR.  Give the match_operator a mode.
540         Use '%2' rather than '%z2' for operand 2.
541
542 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
543
544         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
545         attribute.
546
547 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
548
549         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
550         of internal patterns.
551         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
552         Redefine using :P.
553         (tablejump): Use expand_binop to calculate address.  Adjust names
554         of internal patterns.
555         (tablejump[sd]i): Renamed from tablejump_internal[12].
556         Redefine using :P.
557         (tablejump_mips16[12]): Delete.
558
559 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
560
561         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
562         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
563         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
564         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
565         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
566
567 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
568
569         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
570         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
571         using :GPR.
572         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
573         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
574         (*branch_equality[sd]i_inverted): Likewise
575         branch_equality{,_di}_inverted.
576         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
577         Redefine using :GPR.
578
579 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
580
581         * rtl.def: Reorganize, placing all codes used only in machine
582         descriptions at the end.
583
584         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
585         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
586         rtx_name, rtx_format arrays by direct reference to rtl.def,
587         first undefining GENERATOR_FILE.  Define enum insn_note and
588         note_insn_name array by direct reference to insn-notes.def.
589         (adjust_field_rtx_def): Remove local definition of rtx_name.
590         Use symbolic names for insn notes.
591         * Makefile.in (gengtype.o): Update dependencies.
592
593 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
594
595         * basic-block.h (struct basic_block_def): Reorder fields to
596         eliminate interior padding.  Remove 'partition' field.
597         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
598         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
599         (BB_COPY_PARTITION): New macros.
600         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
601         Replace all references to the 'partition' field of a basic
602         block with new macros.
603
604         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
605         * final.c (final_scan_insn): Don't handle it.
606         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
607         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
608         * sched-rgn.c (sched_is_disabled_for_current_region_p):
609         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
610
611 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
612
613         * c-decl.c (c_init_decl_processing): Adjust
614         build_common_tree_nodes call.
615         * expmed.c (const_mult_add_overflow_p): Use
616         build_distinct_type_copy.
617         * stor-layout.c (early_type_list): Remove.
618         (layout_type): Don't append to early_type_list.
619         (initialize_sizetypes): Add signed_p argument.
620         (set_sizetype): Overwrite the stub type nodes directly.
621         * tree.c (copy_node_stat): Clear a type's value cache here ...
622         (build_distinct_type): ... not here.
623         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
624         * tree.h (initialize_sizetypes): Add signed_p argument.
625         (build_common_tree_nodes): Likewise.
626
627         * objc/objc-act.c (get_static_reference): Use
628         build_variant_type_copy.
629         (get_protocol_reference): Likewise.
630         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
631
632 2004-08-24  Richard Henderson  <rth@redhat.com>
633             Andrew Pinski  <apinski@apple.com>
634
635         * gimplify.c (gimplify_array_ref_to_plus): Delete.
636         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
637         for ARRAY_REF.
638
639         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
640         ARRAY_REF also to get to the STRING_CST.
641
642 2004-08-24  Paul Brook  <paul@codesourcery.com>
643
644         * config/arm/arm.c (arm_override_options): Update error message.
645         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
646         TARGET_HARD_FLOAT_ABI.
647         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
648         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
649
650 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
651
652         PR target/17093
653         * config/m32r.md (movsi_sda): Add SI mode specification to
654         UNSPEC.
655
656 2004-08-24  Nick Clifton  <nickc@redhat.com>
657
658         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
659         of seth_add3_operand.
660
661 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
662
663         * Makefile.in (PROTO_OBJS): Add errors.o.
664         * protoize.c (fancy_abort): Remove.
665         * mips-tfile.c (fancy_abort): Add parameters.
666
667 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
668
669         * doc/trouble.texi (C++ misunderstandings): Fix example code.
670
671 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
672
673         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
674         (host-default.o): Add dependency on HOOKS_H.
675         * config/x-linux: Likewise.
676         * config/x-solaris: Likewise.
677         * config/i386/x-mingw32: Likewise.
678         * config/rs6000/x-darwin: Likewise.
679
680 2004-08-23  James E Wilson  <wilson@specifixinc.com>
681
682         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
683         DEF_REG_NOTE.
684
685 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
686
687         PR c/14492
688         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
689
690 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
691
692         * cfg.c (check_bb_profile): Fix typos.
693         * function.c (assign_parm_is_stack_parm): Likewise.
694         * tree-nested.c: Likewise.
695
696 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
697
698         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
699         Remove TYPECODE.
700         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
701
702 2004-08-23  Eric Christopher  <echristo@redhat.com>
703
704         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
705         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
706         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
707         * target.h: Ditto.
708         * hooks.h: Include machmode.h.
709         (hook_bool_mode_false): Declare.
710         * hooks.c (hook_bool_mode_false): Define.
711         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
712         * stor-layout.c (layout_type): Ditto.
713         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
714         Define to target macro.
715         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
716         * config/arm/arm.c: Ditto. Use.
717         * config/arm/arm.h: Ditto.
718         * config/arm/arm-protos.h: Ditto.
719         * config/i386/i386.c: Ditto.
720         * config/i386/i386.h: Ditto.
721         * config/rs6000/rs6000.c: Ditto.
722         * config/rs6000/rs6000.h: Ditto.
723         * config/sh/sh.c: Ditto.
724         * config/sh/sh.h: Ditto.
725         * config/sh/sh-protos.h: Ditto.
726         * config/sh/sh.md: Use.
727         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
728         to TARGET_VECTOR_MODE_SUPPORTED_P.
729
730 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
731
732         * Makefile.in (BUILD_ERRORS): Set to build-errors.
733         (errors.o): New target for host.
734         (build-errors.o): New target for build.
735         (genobjs): Replace errors.o with build-errors.
736         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
737         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
738         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
739         (fix-header.o): Add errors.h
740         * collect2.c (fancy_abort): Add parameters.
741         * collect2.h (fancy_abort): Don't declare.
742         * errors.h (fancy_abort): Don't declare.
743         * errors.c: Include either bconfig.h or config.h.
744         (fancy_abort): Trim filename.
745         * fix-header.c (v_fatal, fatal): Remove.
746         (progname): Remove definition.
747         (main): Set progname here.
748         * gcc.c (fancy_abort): Add parameters.
749         * gcc.h (fancy_abort): Remove declaration.
750         * gcov.c (fancy_abort): Remove.
751         * rtl.h (fancy_abort): Don't declare.
752         (abort): Don't define.
753         * tree.h (fancy_abort): Don't declare.
754         (abort): Don't define.
755         * system.h (fancy_abort): Declare.
756         (abort): Define to fancy_abort.
757         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
758
759         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
760         (usize_type, ubitsizetype): Remove.
761         * stor-layout.c (set_sizetype): Don't initialize usizetype,
762         ubitsizetype.
763         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
764
765         * tree.h (build_distinct_type_copy): New.
766         (build_type_copy): ... here.  Rename to ...
767         (build_variant_type_copy): ... here.
768         * tree.c (build_qualified_type): Rename build_type_copy call.
769         (build_distinct_type_copy): New, broken out of ...
770         (build_type_copy): ... here.  Rename to ...
771         (build_variant_type_copy): ... here.  Use
772         build_distinct_type_copy.
773         (build_common_tree_nodes_2): Rename build_type_copy call.
774         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
775         call.
776         (handle_packed_attribute, handle_unused_attribute,
777         handle_transparanet_union_attribute, handle_aligned_attribute,
778         handle_deprecated_attribute): Likewise.
779         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
780         Likewise.
781         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
782         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
783         build_distinct_type_copy.
784
785 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
786
787         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
788         attribute.
789
790 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
791
792         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
793         loads and stores.
794         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
795         formerly unnamed patterns.  Redefine using :P for the address.  Remove
796         explicit length attributes.
797
798 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
799
800         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
801         New functions.
802         (single_reachable_address): Use them.
803         (schedule_sm): Add dump.
804         (is_call_clobbered_ref): New function.
805         (determine_lsm_reg): Check whether the reference is call clobbered.
806         Only work for gimple_reg_type values.
807
808 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
809
810         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
811         $31 store insns.  Redefine using :GPR.
812
813 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
814
815         * config/mips/mips.md (P): New mode macro.
816         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
817         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
818         Add mode attributes.
819
820 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
821
822         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
823         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
824         later constants to cover the gap.
825         (load, store): New mode attributes.
826         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
827         Use new unspec constants.
828
829 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
830
831         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
832         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
833         to use register_operand rather than uns_arith_operand as the predicate
834         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
835         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
836         Redefine using :GPR.  Make same predicate change here.  Extend the
837         commutativity of operands 1 and 2 from the SImode version to the
838         DImode one.
839         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
840         but with no predicate changes.
841         (*nor[sd]i3): Redefine using :GPR.
842
843 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
844
845         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
846         noreturn functions.
847
848 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
849
850         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
851         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
852         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
853         rather than "%z2" (with a fake const0_rtx for operand 2).
854         (ffs[sd]i2): Redefine using :GPR.
855         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
856
857 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
858
859         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
860
861 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
862
863         * config/mips/mips.md (any_extend): New code macro.
864         (u, su): New code attributes.
865         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
866         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
867         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
868         (*{s,u}mul_acc_di): Redefine using any_extend.
869         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
870         to reflect real insn names.
871         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
872         with an any_extend template.
873         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
874         Add '*' to name.
875
876 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
877
878         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
879         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
880         (mul[sd]i3_r4000): Redefine using :GPR.
881         (mulsi3_mult3): Don't check TARGET_MAD separately.
882         (muldi3_mult3): Moved after mulsi_mult3.
883
884 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
885
886         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
887         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
888         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
889         (TARGET_GAS, TARGET_MIPS_AS): Delete.
890         (TARGET_GPWORD): Define to true for n32 on IRIX.
891         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
892         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
893         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
894         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
895         (MDEBUG_ASM_SPEC): Delete, folding into...
896         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
897         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
898         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
899         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
900         to define asm_abi_default_spec.
901         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
902         (TARGET_ASM_SELECT_SECTION): Delete.
903         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
904         for non-mips16 code, removing previous workaround for SGI assemblers.
905         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
906         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
907         (override_options): Remove !TARGET_GAS and !have_named_sections code.
908         (print_operand): Fold TARGET_GAS conditionals into asm strings.
909         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
910         ASM_STABS_OP and ASM_STABN_OP.
911         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
912         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
913         (mips_output_function_prologue): Remove !TARGET_GAS code.
914         (mips_select_rtx_section): Remove !have_named_sections code.
915         (mips_select_section): Delete.
916         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
917         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
918         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
919         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
920         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
921         * config/mips/windiss.h (ASM_SPEC): Likewise.
922
923 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
924
925         * read-rtl.c (map_value, mapping, macro_group): New structures.
926         (BELLWETHER_CODE): New macro.
927         (modes, codes, bellwether_codes): New variables.
928         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
929         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
930         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
931         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
932         (add_map_value, initialize_macros): New functions.
933         (def_hash, def_hash_eq_p): Generalize to anything that points to,
934         or starts with, a char * field.
935         (find_macro, read_mapping, check_code_macro): New functions.
936         (read_rtx_1): New, split out from read_rtx.  Handle the new
937         define_{mode,code}_{macro,attr} constructs.  Use find_macro
938         to parse the name of a code or mode.  Use BELLWETHER_CODE to
939         extract the format and to choose a suitable code for rtx_alloc.
940         Modify recursive invocations to use read_rtx_1.
941         (read_rtx): Call initialize_macros.  Apply code and mode macros
942         to the rtx returned by read_rtx_1.  Cache everything after the
943         first macro expansion for subsequent read_rtx calls.
944         * doc/md.texi: Document new .md constructs.
945         * config/mips/mips.md (GPR): New mode macro.
946         (d, si8_di5): New mode attributes.
947         (any_cond): New code macro.
948         (add[sd]i3): Redefine using :GPR.
949         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
950         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
951         previously unnamed MIPS16 patterns.
952         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
953         lines.  Don't match (plus (const_int 0) ...).
954         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
955         Use a define_split to generate the addition.
956         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
957         (subsi3_internal): Delete.
958         (*subsi3_extended): Renamed from subsi3_internal_2.
959         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
960         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
961         using an any_cond template.
962
963 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
964
965         * read-rtl.c (read_rtx): Tidy use of format_ptr.
966
967 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
968
969         * read-rtl.c (string_obstack): New file-scope variable.
970         (read_string, read_quoted_string, read_braced_string)
971         (read_escape): Remove obstack parameter and use string_obstack instead.
972         (read_rtx): Remove function-local rtl_obstack and initialize
973         string_obstack instead.  Update call to read_string.
974
975 2004-08-22  Andrew Pinski  <apinski@apple.com>
976
977         PR c/15262
978         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
979         expression is not constant.
980         (c_finish_return): Do not go through INDIRECT_REF when looking
981         for the inner expression of an ADDR_EXPR for warning about.
982
983 2004-08-22  Richard Henderson  <rth@redhat.com>
984
985         PR 17075
986         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
987         create new blocks and fall through.
988         (expand_gimple_basic_block): Update to match.
989
990 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
991
992         * reload.c (find_reloads_address): Make return value tri-state.
993         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
994         (find_reloads): Assume that reloaded addresses match 'o' or
995         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
996         returned 1 (not -1).  Omit optional reloads for address operands
997         only if find_reloads_address returned 1 (not -1).
998
999         * config/s390/s390.c (legitimize_reload_address): New function.
1000         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
1001         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
1002         legitimize_reload_address.
1003
1004 2004-08-22  Richard Hendersion  <rth@redhat.com>
1005
1006         * tree.h (SAVE_EXPR_RESOLVED_P): New.
1007         * gimplify.c (gimplify_save_expr): Use it.
1008         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
1009         on the temporary variable.
1010
1011 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1012
1013         * fold-const.c (rtl_expr_nonnegative_p): Delete.
1014         * tree.h (rtl_expr_nonnegative_p): Remove.
1015
1016 2004-08-22  Steven Bosscher  <stevenb@suse.de>
1017
1018         * config/i386/ppro.md (ppro_complex_insn): Add missing check
1019         for cpu==pentiumpro.
1020
1021         * combine.c (struct reg_stat): Fix comment typo.
1022
1023 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
1024
1025         * c-tree.h (c_sizeof_nowarn): Remove.
1026
1027 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1028
1029         * c-decl.c (set_array_declarator_type): Rename to
1030         set_array_declarator_inner.
1031         (build_c_parm, build_attrs_declarator, build_function_declarator):
1032         New functions.
1033         (make_pointer_declarator): Call build_attrs_declarator.
1034         * c-tree.h (set_array_declarator_type): Rename to
1035         set_array_declarator_inner.
1036         (build_c_parm, build_attrs_declarator, build_function_declarator):
1037         New prototypes.
1038         * c-parse.in (after_type_declarator,
1039         parm_declarator_starttypename, parm_declarator_nostarttypename,
1040         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
1041         firstparm): Use these functions
1042
1043 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
1044
1045         * c-decl.c (build_array_declarator, set_array_declarator_type,
1046         start_decl, grokdeclarator, grokparms): Change boolean parameters
1047         to type bool.
1048         * c-tree.h (build_array_declarator, set_array_declarator_type,
1049         start_decl): Update prototypes.
1050         * c-decl.c, c-parse.in: All callers changed.
1051
1052 2004-08-21  Mike Stump  <mrs@apple.com>
1053
1054         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
1055         (darwin_fix_and_continue): Likewise.
1056         (darwin_fix_and_continue_switch): Likewise.
1057         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
1058         (darwin_fix_and_continue): Likewise.
1059         (darwin_fix_and_continue_switch): Likewise.
1060
1061 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
1062
1063         PR  c++/16030
1064         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
1065         Remove, merging into ...
1066         (gen_stdcall_or_fastcall_suffix): New function, returning tree
1067         rather than const char*, and accepting additional parameter.
1068         Don't add suffix to '*'-prefixed symbols or variadic functions.
1069         (i386_pe_encode_section_info): Adjust for call to new function.
1070         Call change_decl_assembler_name.
1071
1072 2004-08-20  Mike Stump  <mrs@apple.com>
1073
1074         * config/darwin.c (machopic_indirect_data_reference): Mark
1075         stubs as defined.
1076         * config/386/386.c (darwin_local_data_pic): Add.
1077         (legitimate_constant_p): Reorder so that PLUS handling runs
1078         before darwin_local_data_pic to match the ordering in
1079         legitimate_pic_address_disp_p and so that MINUS runs after
1080         darwin_local_data_pic as otherwise the darwin_local_data_pic
1081         logic can be skipped, which would be very bad.
1082         (legitimate_pic_address_disp_p): Move from from here to
1083         darwin_local_data_pic so it can be reused.
1084
1085 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
1086
1087         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
1088         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
1089         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
1090         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
1091         (RS6000_ABI_NAME): Define as "linux".
1092         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
1093         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
1094         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
1095         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
1096         * config/rs6000/rs6000.c (dot_symbols): New global var.
1097         (rs6000_output_function_entry): New function, modified for
1098         !DOT_SYMBOLS..
1099         (print_operand <case 'z'>): ..extracted from here.
1100         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
1101         (rs6000_output_function_epilogue): Likewise.
1102         (rs6000_elf_declare_function_name): Likewise.
1103         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
1104         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
1105         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
1106         * configure: Regenerate.
1107         * config.in: Regenerate.
1108
1109 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1110
1111         * reload.c (find_reloads_address): Fix thinko in previous change.
1112
1113         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
1114         a CONST_INT.
1115
1116 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
1117
1118         PR rtl-optimization/17099
1119         * combine.c (force_to_mode): Check if inner_mask has any bits set
1120         outside of GET_MODE (x) instead of op_mode.
1121
1122 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
1123
1124         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
1125         fragment.
1126         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
1127         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
1128         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
1129         architecture.
1130         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
1131         configurations.
1132         * config/arm/t-symbian: New file.
1133
1134 2004-08-20  Andrew Pinski  <apinski@apple.com>
1135
1136         * regrename.c (kill_value_regno): ANSIfy.
1137
1138 2004-08-20  Dale Johannesen  <dalej@apple.com>
1139
1140         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
1141
1142 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
1143
1144         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
1145         (kill_value_regno): New function, derived from kill_value.
1146         (kill_value): Update.
1147         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
1148
1149 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
1150
1151         Fix PR tree-optimization/17111
1152         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
1153         of non-value_handles.
1154         (bitmap_set_contains): All constants are in every set.
1155
1156 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1157
1158         * fold-const.c (round_up, round_down): Use build_int_cst.
1159         Optimize common case.
1160
1161 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
1162             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1163
1164         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
1165         one_only_data_section): Rename to som_readonly_data_section,
1166         som_one_only_readonly_data_section and som_one_only_data_section.
1167         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
1168         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
1169         conditional defines.
1170         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
1171         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
1172         string values.
1173         (pa_select_section): Use renamed section functions.
1174         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1175         SOM_READONLY_DATA_SECTION_FUNCTION,
1176         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
1177         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
1178         Define here ...
1179         * config/pa/som.h: ... not here.
1180         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
1181         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
1182         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
1183         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
1184         (READONLY_DATA_SECTION): Use som_readonly_data_section.
1185
1186 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
1187
1188         * fold-const.c (int_const_binop): Don't generate non-overflowing
1189         size-types specially.
1190         (fold_convert_const): Likewise.
1191
1192         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
1193         clear cache on copied sizetype.
1194
1195 2004-08-20  Ben Elliston  <bje@au.ibm.com>
1196
1197         * configure.ac: Don't escape apostrophe in --enable-coverage help.
1198         * configure: Regenerate.
1199
1200 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
1201
1202         PR 5620
1203         * gcc.c (struct stat input_stat): Don't define if
1204         HOST_LACKS_INODE_NUMBERS
1205         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
1206         than stat to determine if temp file is same as input file.
1207         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
1208         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
1209
1210 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
1211
1212         * configure.ac (mips*-*-*): Print an error if not using GAS.
1213         * configure: Regenerated.
1214         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
1215         comments about buggy MIPSpro assemblers.
1216         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
1217         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
1218         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
1219         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
1220         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
1221         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
1222         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
1223         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
1224         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
1225         of more general IRIX 6 definitions.
1226         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
1227         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
1228         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
1229         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
1230         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1231         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
1232         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
1233         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
1234         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
1235         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
1236         (LINK_SPEC): Move most of definition to iris.h.
1237         (SUBTARGET_LINK_SPEC): New macro.
1238         (IRIX_STARTFILE_SPEC): Fold into...
1239         (STARTFILE_SPEC): ...here.
1240         (IRIX_ENDFILE_SPEC): Fold into...
1241         (ENDFILE_SPEC): ...here.
1242         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
1243         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
1244         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
1245         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
1246         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
1247         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
1248         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
1249         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
1250         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
1251         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
1252         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
1253         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
1254         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
1255         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
1256         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
1257         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
1258         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
1259         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
1260         (TARGET_IRIX6): Define to 1.
1261         (DRIVER_SELF_SPECS): Define.
1262         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
1263         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
1264         (SUBTARGET_LINK_SPEC): New macro.
1265         (IRIX_STARTFILE_SPEC): Fold into...
1266         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
1267         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
1268         (LIB_SPEC, LIBGCC_SPEC): Use them.
1269         (LIB_SPEC): Remove !mabi=* case.
1270         (IRIX_ENDFILE_SPEC): Fold into...
1271         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
1272         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
1273         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
1274         (TARGET_IRIX6): New macro.
1275         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
1276         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
1277         (LABEL_AFTER_LOC): Delete.
1278         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
1279         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
1280         (mips_build_builtin_va_list): Check TARGET_IRIX6.
1281         (override_options): Remove TARGET_SGI_O32_AS-related code.
1282         (irix_output_external_libcall): Make static.
1283         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
1284         LABEL_AFTER_LOC.
1285         (mips_file_start): Tidy guard for ABI sections.  Remove use of
1286         ABICALLS_ASM_OP; use .abicalls instead.
1287         (mips_output_aligned_decl_common, mips_declare_object_name)
1288         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
1289         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
1290         .globl foo .text directives.
1291         (irix_asm_named_section_1, irix_asm_named_section)
1292         (irix_section_align_entry, irix_section_align_htab)
1293         (irix_orig_asm_out_file, irix_section_align_entry_eq)
1294         (irix_section_align_entry_hash, irix_asm_output_align)
1295         (irix_file_start, irix_section_align_1, copy_file_data)
1296         (irix_file_end, irix_section_type_flags): Delete.
1297         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
1298         Use standard section syntax.  Remove protective "jr $31".
1299         (__gcc_fini): Likewise .gcc_fini.
1300         * config/mips/irix-crtn.asm: Adjust sections accordingly.
1301         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
1302         iris5gas.h.
1303         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
1304         from t-irix-gld.
1305         (EXTRA_MULTILIB_PARTS): Define.
1306         * config/mips/t-iris6: Remove bogus comment.
1307         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
1308         * config/mips/iris5gas.h, config/mips/iris5gld.h,
1309         config/mips/iris6gas.h, config/mips/iris6gld.h,
1310         config/mips/t-iris5-as, config/mips/t-iris5-gas
1311         config/mips/t-irix-gld: Delete.
1312         * config/mips/iris.h: New file.
1313         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
1314
1315 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
1316
1317         * postreload.c (reload_cse_move2add): Allow any condjump, but check
1318         that the implicit set isn't clobbered in the jump insn.
1319
1320 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1321
1322         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
1323         * optabs.c (init_optabs): Don't check it.
1324         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
1325         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
1326
1327 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
1328
1329         * config/s390/s390.md (s390_warn_framesize_string)
1330         (s390_warn_dynamic_string, s390_stack_size_string)
1331         (s390_stack_guard_string): New global string variables.
1332         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
1333         (s390_stack_guard): New global variables.
1334         (override_options): Added checks for the new options.
1335         (s390_emit_prologue): Emit stack check and trap code and perform
1336         compile time stack size checking.
1337
1338         * config/s390/s390.h (TARGET_OPTIONS): Added new options
1339         "warn-framesize", "warn-dynamicstack", "stack-size" and
1340         "stack-guard".
1341
1342         * doc/invoke.texi: Added documentation for the new options.
1343
1344 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1345
1346         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
1347         to eliminate warning.
1348         (linear_search_fdes): Declare p as unsigned.
1349         (binary_search_mixed_encoding_fdes): Likewise.
1350         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
1351         to eliminate warning.
1352         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
1353         type cast.
1354
1355 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
1356
1357         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
1358         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
1359         instead of one.  Check for strictly legitimate address.
1360         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
1361         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
1362
1363 2004-08-19  Eric Christopher  <echristo@redhat.com>
1364
1365         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
1366         * langhooks.h (unsave_expr_now): Ditto.
1367         * tree.h (unsave_expr_1): Remove prototype.
1368         (lhd_unsave_expr_now): Rename to unsave_expr_now.
1369         * tree-inline.c (unsave_expr_1): Move here
1370         from tree.c. Make static.
1371         (unsave_expr_now): Rename from lhd_unsave_expr_now.
1372         * tree-sra.c: Fix up for rename.
1373         * tree-ssa-copy.c: Ditto.
1374         * tree-eh.c: Ditto.
1375         * tree.c (unsave_expr_1): Move to tree-inline.c.
1376
1377 2004-08-19  Caroline Tice  <ctice@apple.com>
1378
1379         * config/i386/cygming.h (switch_to_section):  Fix typo (change
1380         in_unlikely_text_section to in_unlikely_executed_text).
1381
1382 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
1383
1384         * vec.h (VEC_lower_bound): New macro.
1385
1386 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
1387
1388         PR target/16446
1389         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
1390         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
1391         treat each ABI separately.  Deal with n32/n64 complex float arguments.
1392         (function_arg): Add associated complex handling here.
1393
1394 2004-08-19  Richard Henderson  <rth@redhat.com>
1395
1396         * config/arm/arm.c (arm_gen_load_multiple): Use
1397         adjust_automodify_address.  Take base memory and offset instead
1398         of unchanging/struct/scalar bits.
1399         (arm_gen_store_multiple): Likewise.
1400         (arm_gen_movmemqi): Use adjust_automodify_address.
1401         * config/arm/arm-protos.h: Update decls.
1402         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
1403         (store_multiple): Similarly.
1404
1405 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
1406
1407         * regclass.c (globalize_reg): Update call_really_used_regs.
1408
1409 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
1410
1411         * doc/invoke.texi (integer-share-limit): Document.
1412
1413         * tree.h (TYPE_CACHED_VALUES_P): New.
1414         (TYPE_CACHED_VALUES): New.
1415         (TYPE_ORIG_SIZE_TYPE): Adjust.
1416         * tree.def (INTEGER_CST): Update documentation.
1417         * tree.c: Inlcude params.h.
1418         (build_int_cst): Cache small values.
1419         (build_type_copy): Do not copy the value cache.
1420         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
1421         unneeded zeroing.
1422         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
1423         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
1424         cache.
1425         * fold-const.c (force_fit_type): Copy value when setting
1426         overflows.
1427         (int_const_binop): Likewise.
1428         * stor-layout.c: Include params.h
1429         (set_sizetype): Create values cache.
1430         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
1431         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
1432         * params.h (INTEGER_SHARE_LIMIT): New.
1433         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
1434
1435 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
1436
1437         * gimplify.c (gimplify_minimax_expr): Remove.
1438         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
1439
1440 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
1441
1442         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
1443         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
1444
1445 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
1446
1447         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
1448
1449 2004-08-18  Andrew Pinski  <apinski@apple.com>
1450
1451         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
1452
1453 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
1454
1455         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
1456         (__aeabi_ul2f): Likewise.
1457
1458 2004-08-18  Richard Henderson  <rth@redhat.com>
1459
1460         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
1461         move to rtl completely.
1462         (struct meminsnbuf, xtensa_emit_block_move): Remove.
1463         (xtensa_find_mode_for_size): Remove.
1464         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
1465         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
1466
1467 2004-08-18  Richard Henderson  <rth@redhat.com>
1468
1469         * config/mcore/mcore.c (mode_from_align): Remove DImode.
1470         (block_move_sequence): Rewrite to use adjust_address.
1471         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
1472         Return boolean indicating success/failure.
1473         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
1474         * config/mcore/mcore.md (movmemsi): Update to match.
1475
1476 2004-08-18  Mike Stump  <mrs@apple.com>
1477
1478         * doc/invoke.texi (-mfix-and-continue): Add support for
1479         fast turn around debugging.
1480         (-ffix-and-continue): Likewise.
1481         (-mindirect-data): Likewise.
1482         (-findirect-data): Likewise.
1483         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
1484         (indirect_data): Likewise.
1485         (machopic_data_defined_p): Likewise.
1486         (machopic_output_indirection): Likewise.
1487         (darwin_encode_section_info): Likewise.
1488         (darwin_fix_and_continue): Likewise.
1489         (darwin_fix_and_continue_switch): Likewise.
1490         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
1491         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
1492         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
1493         (SUBTARGET_OPTIONS): Likewise.
1494         (darwin_fix_and_continue): Likewise.
1495         (darwin_fix_and_continue_switch): Likewise.
1496         (TARGET_FIX_AND_CONTINUE): Likewise.
1497         * config/rs6000.c (rs6000_emit_prologue): Likewise.
1498
1499 2004-08-19  Steven Bosscher  <stevenb@suse.de>
1500
1501         * basic-block.h (struct edge_def): Remove crossing_edge.
1502         (EDGE_CROSSING): New define.
1503         (EDGE_ALL_FLAGS): Update.
1504         * bb-reorder.c (find_traces_1_round, better_edge_p,
1505         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
1506         find_jump_block, fix_crossing_conditional_branches,
1507         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1508         Replace all occurences of crossing_edge with an edge flag check
1509         or set/reset.
1510         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1511         try_crossjump_bb): Likewise.
1512         * cfglayout.c (fixup_reorder_chain): Likewise.
1513         * cfgrtl.c (force_nonfallthru_and_redirect,
1514         commit_one_edge_insertion): Likewise.
1515
1516         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
1517         * tree-flow.h (compute_dominance_frontiers): Move prototype...
1518         * basic-block.h:  ...here.
1519         * tree-cfg.c (compute_dominance_frontiers_1,
1520         compute_dominance_frontiers): Move from here...
1521         * cfganal.c: ...to here.  Include timevar.h.
1522
1523 2004-08-18  James E Wilson  <wilson@specifixinc.com>
1524
1525         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
1526         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
1527
1528         * config/mips/mips.md (type): Add frdiv.
1529         (divsf3+1, divsf3+2): Change type to frdiv.
1530         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
1531         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
1532
1533         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
1534         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
1535         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
1536         * config/mips/5000.md (r5k_fdiv_single): Likewise.
1537         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
1538         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
1539         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
1540         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
1541         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
1542         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
1543         Likewise.
1544         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
1545
1546 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
1547
1548         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
1549         get regression tester working again.
1550
1551 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1552
1553         * insn-notes.def, reg-notes.def: New files.
1554         * rtl.h: Use them to define enum insn_note and enum reg_note.
1555         * rtl.c: Use them to define note_insn_name and reg_note_name.
1556         * Makefile.in (RTL_BASE_H): Update.
1557
1558         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
1559         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
1560
1561 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
1562
1563         * arm.c (arm_size_rtx_costs): New function.
1564         (arm_override_options): Use it if optimizing for space.
1565
1566 2004-08-18  Richard Henderson  <rth@redhat.com>
1567
1568         * emit-rtl.c (gen_const_mem): New.
1569         * rtl.h (gen_const_mem): Declare.
1570         * expr.c (do_tablejump): Use it.
1571         * varasm.c (force_const_mem): Likewise.
1572         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1573         (machopic_legitimize_pic_address): Likewise.
1574         * config/arm/arm.c (legitimize_pic_address): Likewise.
1575         * config/i386/i386.c (legitimize_pic_address): Likewise.
1576         (legitimize_tls_address): Likewise.
1577         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1578         * config/ia64/ia64.md (load_fptr): Likewise.
1579         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
1580         * config/pa/pa.c (legitimize_pic_address): Likewise.
1581         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1582         (rs6000_emit_move): Likewise.
1583         * config/s390/s390.c (legitimize_pic_address): Likewise.
1584         (legitimize_tls_address): Likewise.
1585         * config/s390/s390.md (casesi): Likewise.
1586         * config/sh/sh.c (sh_reorg): Likewise.
1587         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
1588         * config/v850/v850.md (casesi): Likewise.
1589
1590         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
1591         * config/sh/sh.c (prepare_move_operands): Remove incorrect
1592         use of MEM_READONLY_P.
1593
1594 2004-08-18  Steven Bosscher  <stevenb@suse.de>
1595
1596         * Makefile.in (OBJS-common): Add postreload-gcse.c.
1597         Add new postreload-gcse.o.
1598         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
1599         (lookup_as_function, insert, rehash_using_reg, use_related_value,
1600         equiv_constant): Use SAFE_HASH instead of safe_hash.
1601         (exp_equiv_p): Export.  Add for_gcse argument when comparing
1602         for GCSE.
1603         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
1604         find_comparison_args, fold_rtx, cse_insn): Update callers.
1605         (hash_rtx): New function derived from old canon_hash and bits
1606         from gcse.c hash_expr_1.
1607         (canon_hash_string): Rename to hash_rtx_string.
1608         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
1609         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
1610         (cselib_lookup): Update this caller.
1611         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
1612         Make static.
1613         (hash_expr): Call hash_rtx.
1614         (ldst_entry): Likewise.
1615         (expr_equiv_p): Call exp_equiv_p.
1616         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
1617         reg_used_on_edge, reg_set_between_after_reload_p,
1618         reg_used_between_after_reload_p, get_avail_load_store_reg,
1619         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
1620         get_bb_avail_insn, hash_scan_set_after_reload,
1621         compute_hash_table_after_reload,
1622         eliminate_partially_redundant_loads, gcse_after_reload,
1623         get_bb_avail_insn, gcse_after_reload_main): Remove.
1624         * postreload-gcse.c: New file, reincarnating most of the above.
1625         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
1626         (gcse_after_reload_main): Update prototype.
1627         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
1628         * passes.c (rest_of_handle_gcse2): Use it.
1629
1630 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
1631
1632         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
1633         (pass_loop_done): Likewise.
1634
1635 2004-08-18  Andrew Pinski  <apinski@apple.com>
1636
1637         * config/rs6000/darwin.md: Delete the altivec patterns which are
1638         handled differently now.
1639         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
1640         (macho_correct_pic_di): Likewise.
1641         (call_indirect_nonlocal_darwin64): Likewise.
1642         Delete the save world/saveFP/saveVec patterns.
1643
1644         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
1645         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
1646         * config/rs6000/rs6000.md: Include darwin.md.
1647         (builtin_setjmp_receiver): Add DImode case.
1648         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
1649         Darwin bits.
1650
1651 2004-08-18  Matt Austern  <austern@apple.com>
1652
1653         Dead code stripping
1654         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
1655         * darwin.c (darwin_file_end): Mark file as potentially strippable.
1656
1657 2004-08-18  Richard Henderson  <rth@redhat.com>
1658
1659         * alias.c (readonly_fields_p): Remove.
1660         (objects_must_conflict_p): Don't call it.
1661         * tree.h (readonly_fields_p): Remove.
1662         * langhooks.h (struct lang_hooks): Remove honor_readonly.
1663         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
1664
1665 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
1666
1667         * tree-dfa.c (add_referenced_var): Only global variables are
1668         call-clobbered.
1669         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
1670         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
1671         all pointers dereferenced if the statement dereferences them.
1672         (create_name_tags): Do not create memory tags for pointers
1673         that have PT_ANYTHING set.
1674         Also check if PT_VARS is not empty before creating a name tag.
1675         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
1676         variables that share the same alias set with a pointer that
1677         may point anywhere.
1678         (add_may_alias): Add FIXME comment to remove clobbering
1679         aliased variables and tags.
1680         (replace_may_alias): Likewise.
1681         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
1682         (merge_pointed_to_info): If the original variable has not
1683         points-to information, call set_pt_anything.
1684         (add_pointed_to_var): Do not prevent adding a pointed-to
1685         variable if the pointers is PT_ANYTHING.
1686         If the variable is a global, set PT_GLOBAL_MEM.
1687         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
1688         pointer type only come in PTR+OFFSET flavours.
1689         Always call merge_pointed_to_info on PHI arguments that are
1690         SSA_NAMEs.
1691         (get_nmt_for): Mark call-clobbered tags whose pointer points
1692         to global memory.
1693         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
1694         values.
1695         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
1696         FLAGS.
1697         (add_stmt_operand): Abort if the caller tried to add a killing
1698         definition for a memory tag.
1699         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
1700         unnecessary checks.
1701
1702 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
1703
1704         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
1705         from call_used_regs.  Update call_really_used_regs.
1706         (CALL_REALLY_USED_REGISTERS): Define.
1707         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
1708         Replace call_used_regs with call_really_used_regs.
1709         (calc_live_regs, sh_media_register_for_return): Likewise.
1710         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
1711         * sh.md (return_media): Likewise.
1712
1713 2004-08-18  Andrew Pinski  <apinski@apple.com>
1714
1715         * config/darwin.c (machopic_legitimize_pic_address): Only set
1716         MEM_READONLY_P in the non TARGET_TOC case.
1717
1718 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1719
1720         * rtl.def (NIL): Delete.
1721         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
1722         Tighten the syntax a little.
1723
1724         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
1725         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
1726         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
1727         * config/i386/predicates.md, config/m32r/m32r.h
1728         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
1729         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
1730         * config/sparc/sparc.h, doc/tm.texi:
1731         Replace all occurrences of NIL with UNKNOWN.
1732
1733 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
1734
1735         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
1736         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
1737         sequence inline.  Move drop_through_label code into this
1738         block, being the only place it is used.  Adjust comments.
1739
1740 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
1741
1742         * config/rs6000/altivec.md: Add new patterns for calls to
1743         save_world/rest_world functions.
1744
1745         * config/rs6000/rs6000-protos.h: (save_world_operation,
1746         restore_world_operation) new declarations.
1747
1748         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
1749         field added.
1750         (rs6000_stack_info): Set world_save_p field.
1751         (save_world_operation): New function.
1752         (restore_world_operation): New function.
1753         (compute_save_world_info): New function.
1754         (rs6000_stack_info): Call compute_save_world_info.
1755         (rs6000_emit_prologue): Check for world_save_p and generate
1756         pattern to call save_world for saving all non-volatile and
1757         special registers.
1758         (rs6000_emit_epilogue): Check for world_save_p and generate
1759         pattern to call rest_world to restore saved registers.
1760
1761         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
1762         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
1763         (rs6000_reg_names): New entries added for save_world_operation and
1764         restore_world_operation.
1765
1766 2004-08-18  Caroline Tice  <ctice@apple.com>
1767
1768         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
1769         "-freorder-blocks-and-partition" to the flags used in second
1770         stage of profiledbootstrap.
1771         * bb-reorder.c (push_to_next_round_p): Add new variable,
1772         next_round_is_last; set and use variable to make sure, when
1773         partitioning, that the last trace construction round consists
1774         of all (and only) cold basic blocks.
1775         (rotate_loop): Don't copy blocks that end in a section
1776         crossing jump.
1777         (copy_bb): Correctly initialize "partition" of duplicated bb.
1778         (add_unlikely_executed_notes): Add a comment.
1779         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
1780         to make sure, if function contains hot blocks, that the
1781         successors of ENTRY_BLOCK_PTR are hot; also, only look for
1782         crossing edges if the architecture supports named sections.
1783         (mark_bb_for_unlikely_executed_section): Modify to always
1784         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
1785         the basic block note insn.
1786         (fix_crossing_unconditional_branches): Remove extra space.
1787         (fix_edges_for_rarely_executed_code): Modify to only do
1788         partitioning work if the architecture supports named sections.
1789         (reorder_basic_blocks): Modify to only add
1790         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
1791         supports named sections.
1792         * c-common.c (handle_section_attribute): Initialize new global
1793         variable, user_defined_section_attribute, to true if user has
1794         specified one.
1795         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
1796         forward edges that cross section boundaries.
1797         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
1798         partitioning information if the architecture supports named
1799         sections.
1800         * cfgrtl.c (target.h): Add statement to include this.
1801         (rtl_split_block): Make sure newly created bb gets correct
1802         partition.
1803         (try_redirect_by_replacing_jump): Make sure redirection isn't
1804         attempting to cross section boundaries.
1805         (force_nonfallthru_and_redirect): Only do partition fix up if
1806         architecture supports named sections.
1807         (rtl_split_edge): Make sure newly created bb ends up in
1808         correct partition.
1809         (commit_one_edge_insertion): Remove code that incorrectly
1810         updated basic block partition; Make sure partition fix up only
1811         happens if architecture supports named sections and it's not
1812         already done.
1813         (rtl_verify_flow_info_1): Fix if-condition on test/error
1814         condition that fallthru edges are not allowed to cross section
1815         boundaries.
1816         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
1817         * final.c (final_scan_insn): Remove redundant test from if-statement;
1818         change calls to text_section into calls to function_section; add code
1819         to only to partitioning fix up if architecture supports named
1820         sections.
1821         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
1822         partition.
1823         (if_convert): Add targetm.have_named_sections to test.
1824         * output.h (unlikely_section_label): Extern declaration for new global
1825         variable.
1826         (unlikely_text_section_name): Likewise.
1827         * opts.c (decode_options): If both partitioning and DWARF debugging
1828         are turned on, issue a warning that this doesn't work, and change
1829         partitiong to basic block reordering (without hot/cold partitions).
1830         * passes.c (rest_of_handle_final): Re-set new global variable,
1831         user_defined_section_attribute, to false.
1832         (rest_of_compilation): Change options for calling partitioning
1833         function: Don't call if the user defined the section attribute, and
1834         don't call if DECL_ONE_ONLY is true for the current function.
1835         * predict.c (choose_function_section): Return immediately if we
1836         are doing hot/cold partitioning (i.e. let the basic block partitioning
1837         determine where the function belongs).
1838         * reg-stack.c (emit_swap_insn): Add condition to step over
1839         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
1840         * toplev.c (user_defined_section_attribute): New global variable.
1841         * toplev.h (user_defined_section_attribute): Extern declaration
1842         for new global variable.
1843         * varasm.c (unlikely_section_label): New global variable.
1844         (unlikely_text_section_name): New global variable.
1845         (unlikely_text_section): Add code to initialize
1846         unlikely_text_section_name if necessary; modify to use
1847         unlikely_text_section_name and unlikely_section_label; also to use
1848         named_section properly.
1849         (in_unlikely_text_section):  Modify to work correctly with
1850         named_section and to use unlikely_text_section_name.
1851         (named_section):  Add code to work properly with cold section.
1852         (function_section): Clean up if-statement.
1853         * config/darwin.c (darwin_asm_named_section): Return to original
1854         code, removing use of SECTION_FORMAT_STRING.
1855         * config/arm/pe.h (switch_to_section):  Add case for
1856         in_unlikely_executed_text to switch statement.
1857         * config/i386/cygming.h (switch_to_section): Likewise.
1858         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
1859         (SECTION_FORMAT_STRING): Likewise.
1860         * config/mcore/mcore.h (switch_to_section): Likewise.
1861         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
1862         (SECTION_FORMAT_STRING): Remove.
1863
1864 2004-08-18  Roger Sayle  <roger@eyesopen.com>
1865
1866         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
1867         -ffixed-reg safe, by preserving the meanings of zero and one.
1868         (CALL_USED_REGISTERS): Likewise.
1869         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
1870
1871 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
1872
1873         * config/sh/sh.c (split_branches): Check the result of
1874         next_active_insn.
1875         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
1876         Call rtl_register_cfg_hooks.
1877
1878 2004-08-18  Richard Henderson  <rth@redhat.com>
1879
1880         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
1881         * alias.c (true_dependence): Update to match new semantics.
1882         (canon_true_dependence, write_dependence_p): Likewise.
1883         (anti_dependence, output_dependence): Update write_dependence_p args.
1884         (unchanging_anti_dependence): Remove.
1885         * calls.c (purge_mem_unchanging_flag): Remove.
1886         (fixup_tail_calls): Don't call it.
1887         (expand_call): Don't add unchanging memory to function usage.
1888         * expr.c (emit_block_move_via_libcall): Likewise.
1889         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
1890         (get_subtarget): Don't use RTX_UNCHANGING_P.
1891         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
1892         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
1893         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
1894         * cse.c (insert): Don't use RTX_UNCHANGING_P.
1895         (cse_insn, canon_hash): Use MEM_READONLY_P.
1896         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
1897         instead of RTX_UNCHANGING_P.
1898         * explow.c (maybe_set_unchanging): Remove.
1899         * expr.h (maybe_set_unchanging): Remove.
1900         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
1901         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
1902         (assign_parm_setup_reg, expand_function_start): Likewise.
1903         * integrate.c (copy_rtx_and_substitute): Likewise.
1904         * ra-rewrite.c (emit_colors): Likewise.
1905         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
1906         (fixup_match_1): Likewise.
1907         * reload1.c (reload, alter_reg): Likewise.
1908         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
1909         not RTX_UNCHANGING_P.
1910         (equiv_init_varies_p): Likewise.
1911         * loop-invariant.c (check_maybe_invariant): Likewise.
1912         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
1913         * loop.c (note_addr_stored): Likewise.
1914         (prescan_loop): Likewise. Don't check function usage for clobbered
1915         unchanging memory.
1916         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
1917         not RTX_UNCHANGING_P.
1918         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
1919         * varasm.c (force_const_mem): Likewise.
1920         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
1921         * web.c (entry_register): Likewise.
1922         * tree-gimple.h (get_base_address): Move decl ...
1923         * tree.h: ... here.
1924         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
1925
1926         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
1927         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
1928         (alpha_set_memflags): Update to match.
1929
1930         * config/darwin.c (machopic_indirect_data_reference): Set
1931         MEM_READONLY_P instead of RTX_UNCHANGING_P.
1932         (machopic_indirect_call_target): Likewise.
1933         (machopic_legitimize_pic_address): Likewise.
1934         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
1935         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
1936         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
1937         * config/frv/frv.md (symGOT2reg): Likewise.
1938         * config/i386/i386.c (legitimize_pic_address,
1939         legitimize_tls_address, ix86_split_to_parts): Likewise.
1940         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
1941         * config/ia64/ia64.md (load_fptr): Likewise.
1942         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
1943         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
1944         * config/mcore/mcore.c (block_move_sequence): Likewise.
1945         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
1946         * config/pa/pa.c (legitimize_pic_address): Likewise.
1947         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
1948         (rs6000_emit_move): Likewise.
1949         * config/s390/s390.c (legitimize_pic_address): Likewise.
1950         (legitimize_tls_address): Likewise.
1951         * config/s390/s390.md (casesi): Likewise.
1952         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
1953         * config/sh/sh.md (symGOT2reg): Likewise.
1954         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
1955         * config/v850/v850.md (casesi): Likewise.
1956
1957         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
1958         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
1959         * config/mips/mips.c (mips_restore_gp): Likewise.
1960         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
1961         * config/sh/sh.c (sh_reorg): Likewise.
1962
1963 2004-08-18  Richard Henderson  <rth@redhat.com>
1964
1965         * tree.h (struct tree_decl): Add gimple_formal_temp.
1966         (DECL_GIMPLE_FORMAL_TEMP_P): New.
1967         * gimplify.c (pop_gimplify_context): Clear it.
1968         (lookup_tmp_var): Set it, if is_formal.
1969         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
1970         Use is_gimple_val for VECTOR.  Simplify return value.
1971         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
1972         (gimplify_expr): Likewise.
1973         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
1974         is_gimple_tmp_rhs for clarity.  Update all callers.
1975         (is_gimple_reg_rhs): Simplify logic.
1976         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
1977         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
1978         (is_gimple_formal_tmp_reg): Similarly.
1979         * tree-gimple.h: Update decls.
1980         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
1981         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
1982         * tree-ssa-live.c (var_union, type_var_init): Likewise.
1983
1984 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
1985
1986         * c4x.c (legitimize_operands): Remove calls to
1987         preserve_subexpressions_p.
1988
1989 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
1990
1991         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
1992         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
1993
1994 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
1995
1996         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
1997         Objective-C++ extensions.
1998         * gengtype.c (get_file_basename): Match entire subdirectory name
1999         ('cp', 'objc', 'objcp') rather than just its suffix.
2000         (get_base_file_bitmap): Allow for files to belong to more than one
2001         language.
2002         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
2003         used by more than one front-end.
2004
2005 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
2006
2007         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
2008         avoid use of preserve_subexpressions_p.
2009
2010 2004-08-17  Richard Henderson  <rth@redhat.com>
2011
2012         PR 17051
2013         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
2014
2015 2004-08-17  DJ Delorie  <dj@redhat.com>
2016
2017         * doc/extend.texi: Document new xstormy16 attribute.
2018
2019         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
2020         (xstormy16_splittable_below100_or_register): New.
2021         (combine_bnp): New.
2022         (xstormy16_reorg): New.
2023         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2024
2025         * config/stormy16/stormy16.md (movqi_internal): Make name public.
2026         (movhi_internal): Likewise.
2027         (cbhranchhi): Likewise.
2028         (cbhranchhi_neg): Likewise.
2029         (andhi3): Only allow splittable below100 operands.
2030         (iorhi3): Likewise.
2031         (peephole2): New and/zero_extend->and peephole.
2032         (peephole2): New load/ior/save->set1 peephole.
2033         (peephole2): New load/and/save->clr1 peephole.
2034         (bclrx, bclrx2, bclr7, bclr15): New.
2035         (bsetx, bsetx2, bset7, bset15): New.
2036
2037         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
2038         liberal about acceptable 'B' masks.
2039
2040         * config/stormy16/stormy16-protos.h
2041         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2042         xstormy16_below100_operand, xstormy16_below100_or_register,
2043         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2044         (PREDICATE_CODES): Add new predicates.
2045
2046         * config/stormy16/stormy16.c
2047         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
2048         xstormy16_below100_operand, xstormy16_below100_or_register,
2049         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
2050         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
2051         (xstormy16_legitimate_address_p): Allow below100 symbols.
2052         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
2053         (xstormy16_expand_move): Leave below100 operands as-is.
2054         (xstormy16_encode_section_info): Encode below100 symbols.
2055         (xstormy16_strip_name_encoding): New.
2056         (xstormy16_print_operand): Print 'b' as shift mask.
2057         (xstormy16_attribute_table): Add below100 attributes.
2058         (xstormy16_handle_below100_attribute): New.
2059
2060         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
2061         (XSTORMY16_SECTION_FUNCTION): New.
2062         (EXTRA_SECTION_FUNCTIONS): Define using the above.
2063         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
2064         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
2065         (ASM_OUTPUT_LABELREF): Define.
2066
2067         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
2068         (movhi_internal): Add below100 support.
2069         (andhi3): Add below100 support.
2070         (iorhi3): Add below100 support.
2071         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
2072
2073 2004-08-17  James E Wilson  <wilson@specifixinc.com>
2074
2075         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
2076         of VOIDmode for comparison code mode.
2077         * config/mips/mips.md: For conditional move patterns, use mode of
2078         first compare operand for comparison mode, instead of VOIDmode.
2079
2080         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
2081         normal and -ffast-math code.
2082
2083 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
2084
2085         PR c++/15871
2086         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
2087
2088 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
2089
2090         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
2091
2092 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
2093
2094         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
2095         for non Darwin targets.
2096         (*call_value_nonlocal_darwin64): Likewise.
2097
2098 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
2099
2100         * config/rs6000/rs6000.c (rs6000_function_value): Check for
2101         altivec mode for altivec return register.
2102
2103 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
2104
2105         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
2106         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2107         * config/rs6000/rs6000.md: Include darwin.md.
2108         (builtin_setjmp_receiver): Add DImode case.
2109         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
2110         Darwin bits.
2111
2112 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
2113
2114         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
2115         trees.
2116         * tree-vectorizer.h: New File: Same.
2117         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
2118         * common.opt (ftree-vectorize): New flag to enable vectorization.
2119         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
2120         vectorization pass.
2121         * tree-data-ref.h (init_data_ref): Additional argument.
2122         (array_base_name_differ_p): Moved to tree-data-ref.c.
2123         * tree-data-ref.c (array_base_name_differ_p): Revised.
2124         (initialize_data_dependence_relation): Call array_base_name_differ_p
2125         with an extra argument.
2126         (analyze_all_data_dependences): Same.
2127         (init_data_ref): Additional argument is_read to set DR_IS_READ.
2128         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
2129         file.
2130         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
2131         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
2132         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
2133         vectorization pass.
2134         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
2135         (tree_ssa_loop_done): Call scev_finalize.
2136         (tree_vectorize): Define the new vectorization pass.
2137         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
2138         size of the vector they support (until support for multiple vector
2139         sizes is added to the vectorizer).
2140         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
2141         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
2142         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
2143         documentation.
2144
2145 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
2146
2147         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
2148         usage.
2149         (generate_protocol_list, handle_impent): Likewise.
2150
2151 2004-08-17  Roger Sayle  <roger@eyesopen.com>
2152
2153         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
2154         ensure that call_used_regs is a superset of both fixed_regs and
2155         call_really_used_regs.
2156
2157 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
2158
2159         PR target/17019
2160         * arm.md (addsi3_cbranch_scratch): Correct case labels.
2161
2162 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2163
2164         PR middle-end/17036
2165         * fold-const.c (fold): Check for integer operand when
2166         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
2167         Pinski  <pinskia@physics.uc.edu>.
2168
2169 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
2170
2171         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
2172         No need to check if in a cross configuration.
2173         * configure: Regenerate.
2174
2175         * calls.c (precompute_register_parameters):
2176         Inline preserve_subexpressions_p ().
2177         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
2178         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
2179         Likewise.
2180         * expr.c (get_subtarget): Likewise.
2181         * rtl.h (preserve_subexpressions_p): Remove.
2182         * stmt.c (preserve_subexpressions_p): Remove.
2183
2184         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
2185         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
2186         Abort on gimplified cases.
2187
2188 2004-08-16  James E Wilson  <wilson@specifixinc.com>
2189
2190         * tree.h (VECTOR_FLOAT_TYPE_P): New.
2191         (FLOAT_TYPE_P): Use it.
2192         * c-typeck.c (build_binary_op): After convert calls, check for
2193         check for ERROR_MARK operands.
2194
2195 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
2196
2197         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
2198         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
2199         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
2200         (genobjs static pattern rule): Remove %.c dependency.
2201         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
2202         Rename rules; delete commands; fix dependencies.
2203         (mostlyclean): Do not delete temporary source copies.
2204         * configure.ac: Delete all references to BUILD_PREFIX and
2205         BUILD_PREFIX_1.
2206         * configure: Regenerate.
2207
2208         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
2209         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
2210         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
2211         with #ifndef GENERATOR_FILE so that nothing from those headers
2212         is used.
2213
2214         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
2215
2216 2004-08-16  Adam Nemet  <anemet@lnxw.com>
2217
2218         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
2219
2220 2004-08-16  Andrew Pinski  <apinski@apple.com>
2221
2222         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
2223         extraneous semicolon.
2224
2225 2004-08-16  Devang Patel  <dpatel@apple.com>
2226
2227         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
2228         * print-tree.c (print_node): Print DECL_PRESERVE_P.
2229         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
2230         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
2231         * target.h (struct gcc_target): New member, mark_decl_preserved.
2232         * hooks.c (hook_void_charptr): Rename to ...
2233         (hook_void_constcharptr): ... new name.
2234         * hooks.h (hook_void_charptr): Rename to ..
2235         (hook_void_constcharptr): ... new name.
2236         * tree.h (DECL_PRESERVE_P): New #define.
2237         (struct tree_decl): New member, preserve_flag.
2238         * varasm.c (assemble_start_function): Mark decl preserved.
2239         (assemble_variable): Same.
2240         * darwin.c (darwin_mark_decl_preserved): New function.
2241         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
2242         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
2243         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
2244
2245 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
2246
2247         * c-decl.c (grokdeclarator): Allow for function definition where
2248         innermost declarator has attributes.
2249
2250 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
2251
2252         * except.c (get_exception_filter, build_post_landing_pads,
2253         dw2_build_landing_pads): Use target-specific mode for 'filter'.
2254         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
2255         * target.h (eh_return_filter_mode): New field added.
2256         * targhooks.c (default_eh_return_filter_mode): Defined.
2257         * targhooks.h (default_eh_return_filter_mode): Declared.
2258         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
2259
2260 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2261
2262         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
2263         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
2264         * configure: Regenerate.
2265
2266 2004-08-16  Stan Shebs  <shebs@apple.com>
2267
2268         Basic support for 64-bit Darwin.
2269         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
2270         (machopic_legitimize_pic_address): Similarly, plus use Pmode
2271         instead of SImode.
2272         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
2273         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
2274         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
2275         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
2276         (PROCESSOR_DEFAULT64): Define.
2277         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
2278         Darwin.
2279         * config/rs6000/rs6000.md: Include darwin.md.
2280         (builtin_setjmp_receiver): Add DImode case.
2281         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
2282         Darwin.
2283         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
2284         (rs6000_emit_move): Add DImode case to Darwin bits.
2285         (machopic_output_stub): Use .quad if 64-bit.
2286         * invoke.texi: Document -m32 and -m64.
2287
2288 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
2289
2290         * doc/extend.texi (AltiVec builtins): Document additional differences
2291         from the Motorola AltiVec PIM.
2292
2293 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2294
2295         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
2296         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
2297         (struct tree_common): Update public_flag documentation.
2298
2299 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
2300
2301         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
2302         Check for artificial variables, not is_gimple_tmp_var.
2303         * tree-ssa-live.c (var_union): Likewise.
2304
2305 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
2306
2307         * calls.c (load_register_parameters): Remove spurious FIXME token.
2308
2309 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
2310
2311         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
2312         (c-lang.o): Depend on c-objc-common.h.
2313         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
2314         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
2315         * c-lang.c: Include c-objc-common.h.
2316         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
2317         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
2318         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
2319         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
2320         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
2321         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
2322         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
2323         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
2324         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
2325         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
2326         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
2327         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
2328         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
2329         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
2330         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
2331         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2332         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
2333         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
2334         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
2335         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
2336         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
2337         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
2338         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
2339         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
2340         Move to c-objc-common.h.
2341         * c-objc-common.c: Include c-objc-common.h.
2342         * c-objc-common.h: New file.
2343
2344 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
2345             Andrew Pinski  <pinskia@physics.uc.edu>
2346
2347         PR target/14931
2348         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
2349         style.
2350
2351 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
2352
2353         * tree.h (build_int_cst): New.
2354         (build_int_2): Remove.
2355         * tree.c (build_int_2): Remove.
2356         (build_int_cst): New.
2357         (make_vector_type, build_common_tree_nodes,
2358         build_common_tree_nodes_2): Use build_int_cst.
2359         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
2360         expand_builtin_strpbrk, expand_builtin_fputs,
2361         build_string_literal, expand_builtin_printf,
2362         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
2363         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
2364         fold_builtin_isdigit, simplify_builtin_strstr,
2365         simplify_builtin_strpbrk, fold_builtin_fputs,
2366         simplify_builtin_sprintf): Use build_int_cst.
2367         * c-common.c (start_fname_decls, fix_string_type,
2368         c_common_nodes_and_builtins, c_init_attributes,
2369         shorten_compare): Likewise.
2370         * c-decl.c (complete_array_type,
2371         check_bitfield_type_and_width): Likewise.
2372         * c-lex.c (interpret_integer, lex_charconst): Likewise.
2373         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
2374         * c-pretty-print.c (pp_c_integer_constant): Likewise.
2375         * c-typeck.c (really_start_incremental_init, push_init_level,
2376         set_nonincremental_init_from_string): Likewise.
2377         * calls.c (load_register_parameters): Likewise.
2378         * convert.c (convert_to_pointer): Likewise.
2379         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
2380         build_fn_info_type, build_ctr_info_value, build_gcov_info):
2381         Likewise.
2382         * except.c (init_eh, assign_filter_values, assign_filter_values):
2383         Likewise.
2384         * expmed.c (store_fixed_bit_field, extract_bit_field,
2385         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
2386         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
2387         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
2388         * expr.c (convert_move, emit_group_load, emit_group_store,
2389         expand_assignment, store_constructor, store_field,
2390         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
2391         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
2392         invert_truthvalue, optimize_bit_field_compare,
2393         decode_field_reference, all_ones_mask_p, constant_boolean_node,
2394         fold_div_compare, fold, fold_read_from_constant_string,
2395         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
2396         * function.c (assign_parm_setup_block): Likewise.
2397         * stmt.c (shift_return_value, expand_end_case_type,
2398         estimate_case_costs): Likewise.
2399         * stor-layout.c (layout_type, initialize_sizetypes,
2400         set_min_and_max_values_for_integral_type): Likewise.
2401         * tree-chrec.c (chrec_fold_multiply_poly_poly,
2402         reset_evolution_in_loop): Likewise.
2403         * tree-chrec.h (build_polynomial_chrec): Likewise.
2404         * tree-complex.c (build_replicated_const): Likewise.
2405         * tree-eh.c (honor_protect_cleanup_actions,
2406         lower_try_finally_onedest, lower_try_finally_copy,
2407         lower_try_finally_switch): Likewise.
2408         * tree-mudflap.c (mf_build_string, mx_register_decls,
2409         mudflap_register_call, mudflap_enqueue_constant): Likewise.
2410         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
2411         * tree-pretty-print.c (dump_generic_node): Likewise.
2412         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
2413         Likewise.
2414         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
2415         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2416         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
2417         Likewise.
2418
2419         * config/alpha/alpha.c (alpha_initialize_trampoline,
2420         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
2421         * config/arm/arm.c (arm_get_cookie_size): Likewise.
2422         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2423         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2424         * config/i860/i860.c (i860_va_start): Likewise.
2425         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2426         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
2427         mips_gimplify_va_arg_expr): Likewise.
2428         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2429         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
2430         add_compiler_branch_island): Likewise.
2431         * config/s390/s390.c (s390_va_start): Likewise.
2432         * config/sh/sh.c (sh_va_start): Likewise.
2433         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2434         Likewise.
2435         * config/xtensa/xtensa.c (xtensa_va_start,
2436         xtensa_gimplify_va_arg_expr): Likewise.
2437
2438         * objc/objc-act.c (build_objc_string_object,
2439         build_objc_symtab_template, init_def_list, init_objc_symtab,
2440         init_module_descriptor, generate_static_references,
2441         build_selector_translation_table, get_proto_encoding,
2442         build_typed_selector_reference, build_selector_reference,
2443         build_next_objc_exception_stuff,
2444         build_method_prototype_list_template, generate_descriptor_table,
2445         generate_protocols, build_protocol_initializer,
2446         build_ivar_list_template, build_method_list_template,
2447         build_ivar_list_initializer, generate_ivars_list,
2448         generate_dispatch_table, generate_protocol_list,
2449         build_category_initializer, build_shared_structure_initializer,
2450         generate_shared_structures, handle_impent,
2451         generate_objc_image_info): Use build_int_cst.
2452
2453 2004-08-15  Ben Elliston  <bje@au.ibm.com>
2454
2455         * vec.h: Comment improvements.
2456
2457 2004-08-14  Roger Sayle  <roger@eyesopen.com>
2458
2459         * c-common.c (shorten_compare, pointer_int_sum,
2460         c_common_truthvalue_conversion, boolean_increment): Replace calls
2461         to build with calls to buildN.
2462         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
2463         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
2464         gimplify_switch_stmt): Likewise.
2465         * c-typeck.c (default_function_array_conversion,
2466         build_component_ref, build_array_ref, build_function_call,
2467         pointer_diff, build_unary_op, build_conditional_expr,
2468         build_compound_expr, build_modify_expr, c_finish_goto_label,
2469         c_finish_goto_ptr, c_finish_return, c_finish_loop,
2470         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
2471         build_binary_op): Likewise.
2472
2473 2004-08-15  Steven Bosscher  <stevenb@suse.de>
2474
2475         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
2476
2477 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2478
2479         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
2480         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
2481         * fixinc/fixincl.x: Rebuilt.
2482
2483 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
2484
2485         * config/mips/mips-protos.h (mips_symbolic_constant_p)
2486         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
2487         (mips_small_data_pattern_p): Declare.
2488         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
2489         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
2490         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
2491         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
2492         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
2493         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
2494         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
2495         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
2496         (pc_or_label_operand, call_insn_operand, move_operand)
2497         (consttable_operand, symbolic_operand, general_symbolic_operand)
2498         (global_got_operand, local_got_operand, stack_operand)
2499         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
2500         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
2501         (mips_small_data_pattern_p): Replace previous small_data_pattern
2502         predicate.  Turn into a bool () (rtx) function.
2503         * config/mips/predicates.md: New file.
2504         * config/mips/mips.md: Include it.  Use the target-independent
2505         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
2506         trap_comparison_operator and equality_op to equality_operator.
2507         Replace uses of small_int with the equivalent const_arith_operand.
2508         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
2509         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
2510         to fcc_reload_operand.
2511         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
2512
2513 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2514
2515         PR libstdc++/17005 partial fix.
2516         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
2517         except when generating ANSI/C89 code.
2518
2519 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
2520
2521         * c-common.c (shorten_compare): Use force_fit_type directly.
2522
2523 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
2524             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
2525             Dave Korn  <dk@artimi.com>
2526
2527         * doc/install.texi (Building): Avoid duplicate reference to GNU
2528         make requirement.
2529         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
2530
2531 2004-08-14  Richard Henderson  <rth@redhat.com>
2532
2533         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
2534         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
2535
2536 2004-08-13  Richard Henderson  <rth@redhat.com>
2537
2538         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
2539         for constant_call_address_operand.
2540         (call_value_pop_1, call_value_1): Likewise.
2541         (sibcall_value_1, call_value_1_rex64): Likewise.
2542
2543 2004-08-13  James E Wilson  <wilson@specifixinc.com>
2544
2545         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
2546         Correct mode from SFmode to DFmode.
2547
2548 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
2549
2550         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
2551         __cstring_object and __image_info sections with the no_dead_strip
2552         attribute.
2553
2554 2004-08-13  Roger Sayle  <roger@eyesopen.com>
2555             David Billinghurst  <David.Billinghurst@riotinto.com>
2556
2557         PR libgfortran/15930
2558         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
2559         * fixinc/fixincl.x: Regenerate.
2560         * fixinc/tests/base/internal/math_core.h: New file.
2561
2562 2004-08-13  Richard Henderson  <rth@redhat.com>
2563
2564         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
2565         (dbxout_function_end): Remove ifdefs for it.
2566         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
2567
2568 2004-08-13  Richard Henderson  <rth@redhat.com>
2569
2570         * Makefile.in (insn-preds.o): Depend on TREE_H.
2571         * genpreds.c (write_insn_preds_c): Include tree.h.
2572         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
2573         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
2574         const48_operand, and_operand, or_operand, mode_width_operand,
2575         mode_mask_operand, mul8_operand, const0_operand,
2576         hard_fp_register_operand, hard_int_register_operand,
2577         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
2578         samegp_function_operand, direct_call_operand, small_symbolic_operand,
2579         global_symbolic_operand, call_operand, symbolic_operand,
2580         dtp16_symbolic_operand, dtp32_symbolic_operand,
2581         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
2582         gottp_symbolic_operand, alpha_comparison_operator,
2583         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
2584         signed_comparison_operator, alpha_fp_comparison_operator,
2585         divmod_operator, fix_operator, aligned_memory_operand,
2586         unaligned_memory_operand, reg_or_unaligned_mem_operand,
2587         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
2588         reg_no_subreg_operand, addition_operation): Move to predicates.md.
2589         (reg_or_const_int_operand): Remove.  Replace all users with
2590         reg_or_cint_operand.
2591         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
2592         (resolve_reload_operand): Split out of aligned_memory_operand.
2593         * config/alpha/alpha-protos.h: Update for exports.
2594         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
2595         * config/alpha/alpha.md: Include predicates.md.
2596         * config/alpha/predicates.md: New file.
2597
2598 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
2599
2600         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
2601         fields with a pointer to the instruction definition.
2602         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
2603         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
2604         (write_attr_case, write_const_num_delay_slots): Update accordingly.
2605         (write_attr_case, write_const_num_delay_slots): Write the name of
2606         an insn next to its case statement.
2607         * genoutput.c (data): Add a filename field.
2608         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
2609         (output_insn_data): Print the location of each insn definition.
2610         * genrecog.c (write_action): Print the name of an insn above
2611         the statement that returns its code.
2612
2613 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
2614
2615         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
2616         * config/libgloss.h: Likewise.
2617         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
2618         * c4x/c4x-modes.def: Likewise.
2619         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
2620         (c4x_rptb_nop_p): Likewise.
2621         (c4x_rptb_valid_p): Likewise.
2622         (c4x_rptb_insert): Likewise.
2623         (c4x_address_conflict): Likewise.
2624         * config/c4x/c4x.md: Likewise.
2625         * config/frv/frv.md: Likewise.
2626         * config/i386/athlon.md: Likewise.
2627         * config/i386/i386.md: Likewise.
2628         * config/i386/predicates.md: Likewise.
2629         * config/ia64/ia64.c: Likewise.
2630         * config/ia64/itanium1.md: Likewise.
2631         * config/ia64/itanium2.md: Likewise.
2632         * config/iq2000/iq2000.md: Likewise.
2633         * config/mcore/mcore.c: Likewise.
2634         * config/mips/mips.c: Likewise.
2635         * config/mips/r3900.h: Likewise.
2636         * config/mips/sb1.md: Likewise.
2637         * config/pa/milli64.S: Likewise.
2638         * config/pa/pa.c: Likewise.
2639         * config/pa/pa.h: Likewise.
2640         * config/rs6000/8540.md: Likewise.
2641
2642 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
2643
2644         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
2645
2646 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
2647
2648         * sh.md (cbranch define_delay) Use cond_delay_slot for
2649         non-anulled condition too.
2650
2651 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
2652
2653         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
2654         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
2655         any_parallel_operand, lmw_operation, stmw_operation,
2656         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
2657         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
2658         any_parallel_operand.
2659         (return_and_restore_fpregs_{si,di}): Same.
2660
2661 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
2662
2663         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
2664         if pred->singleton != PARALLEL, issue a warning and pretend it was.
2665         Also issue a warning for any predicate we don't know about.
2666
2667 2004-08-12  Richard Henderson  <rth@redhat.com>
2668
2669         * config/i386/i386.c (internal_label_prefix): Export.
2670         (internal_label_prefix_len, struct ix86_address,
2671         ix86_decompose_address, maybe_get_pool_constant,
2672         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
2673         memory_address_length): Export.
2674         (any_fp_register_operand, fp_register_operand,
2675         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
2676         x86_64_general_operand, x86_64_szext_general_operand,
2677         x86_64_nonmemory_operand, x86_64_movabs_operand,
2678         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
2679         x86_64_zext_immediate_operand, const_int_1_31_operand,
2680         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
2681         tls_symbolic_operand, global_dynamic_symbolic_operand,
2682         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
2683         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
2684         constant_call_address_operand, const0_operand, const1_operand,
2685         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
2686         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
2687         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
2688         general_no_elim_operand, nonmemory_no_elim_operand,
2689         index_register_operand, q_regs_operand, flags_reg_operand,
2690         non_q_regs_operand, zero_extended_scalar_load_operand,
2691         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
2692         ix86_comparison_operator, ix86_carry_flag_operator,
2693         fcmov_comparison_operator, promotable_binary_operator,
2694         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
2695         mult_operator, div_operator, arith_or_logical_operator,
2696         memory_displacement_operand, cmpsi_operand, long_memory_operand,
2697         aligned_operand): Move to predicates.md as define_predicates.
2698         (tls_symbolic_operand_1): Remove.
2699         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
2700         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
2701         (legitimize_address): Merge tls_symbolic_operand contents.
2702         (ix86_expand_move): Likewise.
2703         * config/i386/i386-protos.h: Update for exports.
2704         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
2705         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
2706         * config/i386/i386.md: Include predicates.md.
2707         * config/i386/predicates.md: New file.
2708
2709 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
2710
2711         PR c++/16924
2712         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
2713         SYMBOL_REF_DECL.
2714         (i386_pe_mark_dllimport): Likewise.
2715         (i386_pe_encode_section_info): Likewise, when overriding
2716         dllimport attribute.
2717
2718 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
2719
2720         * configure.ac: When testing for flex, nm, ar, and bison, check
2721         that they will actually be built.
2722         * configure: Regenerate.
2723
2724 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
2725
2726         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
2727         (MOVE_MAX_PIECES): Define.
2728
2729 2004-08-12  Devang patel  <dpatel@apple.com>
2730
2731         * dbxout.c (dbxout_begin_prologue): New function.
2732         (dbx_debug_hooks): Use new begin prologue hook.
2733         (dbxout_function_end): Emit N_ENSYM.
2734         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
2735
2736 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
2737
2738         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
2739         argument is float*.
2740
2741         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
2742         for vec_dss.
2743
2744         * doc/extend.texi (AltiVec builtins): Fix description for recent
2745         changes.  Update operation list to match current support.
2746
2747 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2748
2749         * config/s390/s390.c (struct s390_frame_layout): New struct as element
2750         of struct machine_function.
2751         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
2752         changed all uses.
2753         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
2754         changed all uses.
2755         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
2756         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
2757         (s390_frame_area, s390_register_info): New functions.
2758         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
2759         for base register.
2760         (s390_return_addr_rtx, s390_return_address_offset)
2761         (s390_va_start, s390_gimplify_va_arg)
2762         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
2763         layouts.
2764         (s390_frame_info): Functionality partly moved to s390_register_info.
2765         Made adaptions for new stack layout.
2766         (save_gprs, restore_gprs): Changed meaning of second parameter and
2767         adapted all callers.
2768
2769         * config/s390/s390.h (s390_backchain_string): New global variable.
2770         (MASK_BACKCHAIN): Removed definition.
2771         (TARGET_BACKCHAIN): Changed check.
2772         (TARGET_KERNEL_BACKCHAIN): New macro.
2773         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
2774         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
2775         "kernel-backchain".
2776         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
2777
2778         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
2779         as condition.  Adjusted for new stack layout.
2780
2781         * doc/invoke.texi: Added documentation for new option
2782         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
2783         "-mno-backchain".
2784
2785 2004-08-12  Paul Brook  <paul@codesourcery.com>
2786
2787         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
2788         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
2789
2790 2004-08-12  David Daney  <ddaney@avtrex.com>
2791
2792         * java/gcj.texi:  Add subsection on signal usage.
2793
2794 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
2795
2796         * expr.c (move_by_pieces): Set alignment for move to minimum of
2797         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
2798         alignment, but not less than the original alignment.
2799         (move_by_pieces_ninsns): Same.
2800         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
2801         (store_by_pieces_1): Same.
2802
2803 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
2804
2805         PR tree-optimization/16867
2806         * tree.c (is_global_var): New function.
2807         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
2808         Call is_global_var.
2809         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
2810         Update all users.
2811         (is_global_var): Declare.
2812         * tree-dfa.c (dump_variable): Display global and addressable
2813         attributes.
2814         (add_referenced_var): Clarify documentation when marking
2815         variables call-clobbered.
2816         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
2817         instead of needs_to_live_in_memory.
2818         (mark_call_clobbered): If the variable is a tag, mark it
2819         DECL_EXTERNAL.
2820         * tree-gimple.c (is_gimple_reg): Don't check for
2821         TREE_ADDRESSABLE.
2822         (is_gimple_non_addressable): Likewise.
2823         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
2824         needs to be marked call-clobbered.
2825         (setup_pointers_and_addressables): Call is_global_var instead
2826         of needs_to_live_in_memory.
2827         * tree-ssa-dce.c (need_to_preserve_store): Remove.
2828         Update all users with is_global_var.
2829         (mark_stmt_if_obviously_necessary): Fix processing of aliased
2830         stores.  Don't check the virtual definitions.  Rather, check
2831         whether the store is going into global memory.
2832         (find_obviously_necessary_stmts): Get the symbol from the PHI
2833         result.
2834         * tree-ssa-operands.c (get_call_expr_operands): Do not add
2835         clobbering may-defs if the call does not have side effects.
2836
2837 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
2838
2839         PR c++/16276
2840         * output.h (default_function_rodata_section,
2841         default_no_function_rodata_section): New prototypes.
2842         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
2843         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
2844         (TARGET_ASM_OUT): Add it.
2845         * varasm.c (default_function_rodata_section,
2846         default_no_function_rodata_section): New functions.
2847         * final.c (final_scan_insn): Call
2848         targetm.asm_out.function_rodata_section instead of
2849         readonly_data_section.
2850         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
2851         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2852         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2853         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2854         Likewise.
2855         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2856         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2857         Likewise.
2858         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
2859         Likewise.
2860         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2861         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
2862         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
2863
2864 2004-08-12  Paul Brook  <paul@codesourcery.com>
2865
2866         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
2867         frame info.
2868         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
2869         DWARF2_UNWIND_INFO.
2870
2871 2004-08-12  Ben Elliston  <bje@au.ibm.com>
2872
2873         PR target/16286
2874         * config/rs6000/altivec.h: Change vector to __vector throughout.
2875         (Except for the `vector' macro itself).
2876
2877 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
2878
2879         * genpreds.c: Add capability to generate predicate bodies as
2880         well as function prototypes.  Write function prototypes for
2881         the generic predicates too.
2882         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
2883         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
2884         (write_match_code, write_predicate_expr, write_one_predicate_function)
2885         (parse_option): New functions.
2886         (output_predicate_decls): Delete.
2887         (main): Read the machine description, process DEFINE_PREDICATE or
2888         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
2889         as appropriate.
2890
2891         * genrecog.c (struct decision_test): Replace index with
2892         struct pred_data pointer.
2893         (next_index): Remove, unused.
2894         (pred_table, preds, special_mode_pred_table): Delete.
2895         (compute_predicate_codes, process_define_predicate): New functions.
2896         (validate_pattern, add_to_sequence, write_switch): Update for
2897         new data structures.
2898         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
2899         Check both error_count and have_error.
2900
2901         * gensupport.c (in_fname, first_predicate): New globals.
2902         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
2903         (predicate_table, last_predicate, old_pred_table)
2904         (old_special_pred_table): New statics.
2905         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
2906         (add_predicate, init_predicate_table): New functions.
2907         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
2908         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
2909         it or max_include_len.  Call init_predicate_table.
2910         (read_rtx): Run the predicate queue after the attribute queue
2911         but before all the others.
2912         * gensupport.h (in_fname, struct pred_data, first_predicate)
2913         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
2914         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
2915         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
2916         * dummy-conditions.c: Don't include bconfig.h, system.h,
2917         coretypes.h, tm.h, or system.h.  Do include stddef.h.
2918         Duplicate declaration of struct c_test from gensupport.h.
2919
2920         * Makefile.in (OBJS-common): Add insn-preds.o.
2921         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
2922         (insn-preds.c, insn-preds.o): New rules.
2923         (s-preds): Also generate insn-preds.c.
2924         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
2925         Update dependencies.
2926         (print-rtl.o, print-rtl1.o): Correct dependencies.
2927
2928         * recog.h: Delete prototypes of predicate functions.
2929
2930         * doc/md.texi (Predicates): New section with complete
2931         documentation of operand/operator predicates.  Remove some
2932         incomplete documentation of predicates from other places.
2933         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
2934         PREDICATE_CODES; indicate that both are deprecated in favor
2935         of define_predicate/define_special_predicate.
2936
2937         * config/ia64/ia64.c: All predicate function definitions moved
2938         to ia64.md, except
2939         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
2940         (ia64_expand_load_address, ia64_expand_move):
2941         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
2942
2943         * config/ia64/ia64.md: All predicates now defined here.
2944         (symbolic_operand): Is now a special predicate.
2945
2946         * config/ia64/ia64.h: Declare ia64_section_threshold.
2947         (PREDICATE_CODES): Delete.
2948
2949 2004-08-12  Richard Henderson  <rth@redhat.com>
2950
2951         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
2952         * c-semantics.c (add_stmt): Set it.
2953         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
2954         before instantiating a variable sized type.
2955
2956 2004-08-12  Richard Henderson  <rth@redhat.com>
2957
2958         * stor-layout.c (round_up, round_down): Move ...
2959         * fold-const.c (round_up, round_down): ... here.  Use
2960         multiple_of_p to avoid any arithmetic at all.
2961
2962 2004-08-12  Richard Henderson  <rth@redhat.com>
2963
2964         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
2965         (gimplify_init_ctor_preeval_1): New.
2966         (gimplify_init_ctor_preeval): New.
2967         (gimplify_init_ctor_eval): New.
2968         (gimplify_init_constructor): Use them.  Always gimplify the LHS
2969         object first.
2970
2971 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
2972
2973         (This patch is part of merge of objc-improvements-branch
2974         into mainline.)
2975
2976         * doc/frontends.texi: Mention Objective-C++ in addition to
2977         Objective-C.
2978         * doc/install.texi: Add 'obj-c++' to list of configurable
2979         languages.
2980         * doc/invoke.texi: Rename Objective-C option headings to
2981         indicate they also apply to Objective-C++.  List file
2982         extensions for Objective-C++ sources.  Mention that
2983         ObjC and ObjC++ compilations may also use C and C++ options,
2984         respectively.  Point users to doc/standards.texi for
2985         further info on ObjC and ObjC++.
2986         * doc/sourcebuild.texi: Mention the objcp/ directory and
2987         the Objective-C++ sources it contains.
2988         * doc/standards.texi: Update link to Apple ObjC site;
2989         add link to gcc readings.html WWW doc.
2990
2991 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
2992
2993         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
2994         and 2004-07-14 changes.
2995
2996 2004-08-12  Paul Brook  <paul@codesourcery.com>
2997
2998         * doc/invoke.texi: Fix typo.
2999
3000 2004-08-11 Devang Patel  <dpatel@apple.com>
3001
3002         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
3003         and -no_dead_strip_inits_and_terms.
3004         (LINK_SPEC): Same.
3005         * doc/invoke.texi (Darwin Options): Document -dead_strip and
3006         -no_dead_strip_inits_and_terms.
3007
3008 2004-08-11  Paul Brook  <paul@codesourcery.com>
3009
3010         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
3011         (arm_load_pic_register): ... to this.
3012         * config/arm/arm.c (arm_finalize_pic): Rename ...
3013         (arm_load_pic_register): ... to this.  Always output insns at the
3014         current location.  Load via low reg in thumb mode.
3015         (arm_expand_prologue): Call arm_load_pic_register.
3016         (thumb_expand_prologue): Ditto.
3017         * config/arm/arm.h (FINALIZE_PIC): Remove.
3018         * config/arm/arm.md (builtin_setjmp_receiver): Call
3019         arm_load_pic_register.
3020
3021 2004-08-11  Paul Brook  <paul@codesourcery.com>
3022
3023         * arm.c (thumb_force_lr_save): Add prototype.
3024         (thumb_compute_save_reg_mask): New function.
3025         (thumb_find_work_register): New function.
3026         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
3027         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
3028         Don't clobber r3 when removing pretend args.
3029         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
3030         (thumb_output_function_prologue): Use new functions.
3031         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
3032         * arm.h (THUMB_REG_PUSHED_P): Remove.
3033
3034 2004-08-11  James E Wilson  <wilson@specifixinc.com>
3035
3036         PR rtl-optimization/16490
3037         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
3038         global_live_at_end for new basic block if already set for other blocks.
3039
3040 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
3041
3042         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
3043
3044         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
3045         (mfcr rlwinm rlwinm patterns): Set length to 12.
3046
3047 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
3048
3049         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
3050         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
3051         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
3052         (start_ssa_stmt_operands): Delete.
3053         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
3054         struct stmt_operands_d.
3055         (build_ssa_operands): New extern entry point.
3056         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
3057         building code, replace with create_ssa_artficial_load_stmt().
3058         * tree-ssa-operands.c (struct voperands_d): Delete.
3059         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
3060         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
3061         (free_uses, free_defs, free_vuses, free_v_may_defs,
3062         free_v_must_defs): Remove dealloc parameter.
3063         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
3064         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
3065         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
3066         vector comparisons, ssa_name reuse, and allocations here.
3067         (verify_start_operands): Delete.
3068         (finalize_ssa_stmt_operands): Set new operands by calling finalize
3069         routines.
3070         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
3071         (append_def, append_usei): Simplify to simple accumulation.
3072         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
3073         duplicates and simple accumulation.
3074         (free_ssa_operands): Free vectors in a stmt_operand structure.
3075         (build_ssa_operands): New. Create a new stmt_operand structure from
3076         a stmt and an old set of stmt_operands.
3077         (get_stmt_operands): Simplify and call build_ssa_operands.
3078         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
3079         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
3080         add_call_read_ops): Don't pass prev_vops around anymore.
3081         (note_addressable): Return if no stmt annotation.
3082         (copy_virtual_operands): Access v_may_def operands through a struct.
3083         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
3084         hash tables without treating the stmt as a real stmt.
3085         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
3086         v_may_def def and use through a struct instead of 2 array elements.
3087         (struct v_may_def_optype_d): Use v_may_def_operand_type.
3088         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
3089
3090 2004-08-11  Nick Clifton  <nickc@redhat.com>
3091
3092         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
3093         this funciton's behaviour.  Return true when the current function
3094         has a section attribute and -mlong-calls is in effect.
3095         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
3096         short-call marker when -mlong-calls is in effect and the function
3097         has a section attribute.
3098
3099 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
3100
3101         * stmt.c (expand_return): If asked to return the RESULT_DECL,
3102         just call expand_value_return on result_rtl.
3103
3104 2004-08-10  Richard Henderson  <rth@redhat.com>
3105
3106         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
3107         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
3108         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
3109         (add_location_or_const_value_attribute): ... not here.  Use
3110         loc_descriptor_from_tree if possible.
3111         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
3112         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
3113         values specially.
3114         (loc_descriptor_from_tree): New.  Update callers.
3115         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
3116         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
3117         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
3118         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
3119         and BUILT_IN_STACK_RESTORE.
3120         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
3121         * stmt.c (expand_stack_alloc): Remove.
3122         * tree-mudflap.c (mx_register_decls): Don't look for
3123         BUILT_IN_STACK_ALLOC.
3124         * tree-nested.c (convert_local_reference): Likewise.
3125         * tree.h (DECL_VALUE_EXPR): New.
3126
3127 2004-08-10  Richard Henderson  <rth@redhat.com>
3128
3129         * stor-layout.c (round_up): Check for 0/1 before dividing.
3130         (round_down): Likewise.
3131
3132         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
3133
3134 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
3135
3136         * config.gcc (arm*-*-eabi*): New target.
3137         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
3138         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3139         * expmed.c (expand_divmod): Try a two-valued divmod function as a
3140         last resort.
3141         * gthr.h: Remove bogus tokens at end of #pragma.
3142         * optabs.c (expand_twoval_binop_libfunc): New function.
3143         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
3144         (prepare_float_lib_cmp): Try reversing the condition.
3145         (debug_optab_libfuncs): New function.
3146         * optabs.h (expand_twoval_binop_libfunc): Declare.
3147         * config/arm/arm.c (arm_init_libfuncs): New function.
3148         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
3149         (TARGET_INIT_LIBFUNCS): Define it.
3150         * config/arm/arm.h (TARGET_BPABI): New macro.
3151         * config/arm/arm-protos.h
3152         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
3153         * config/arm/bpabi.S: New file.
3154         * config/arm/bpabi.c: Likewise.
3155         * config/arm/bpabi.h: Likewise.
3156         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
3157         (__aeabi_drsub): Likewise.
3158         (__aeabi_dsub): Likewise.
3159         (__aeabi_dadd): Likewise.
3160         (__aeabi_ui2d): Likewise.
3161         (__aeabi_i2d): Likewise.
3162         (__aeabi_f2d): Likewise.
3163         (__aeabi_dmul): Likewise.
3164         (__aeabi_ddiv): Likewise.
3165         (__aeabi_cdrcmple): Likewise.
3166         (__aeabi_cdcmpeq): Likewise.
3167         (__aeabi_cdcmple): Likewise.
3168         (__aeabi_dcmpeq): Likewise.
3169         (__aeabi_dcmplt): Likewise.
3170         (__aeabi_dcmple): Likewise.
3171         (__aeabi_dcmpge): Likewise.
3172         (__aeabi_dcmpgt): Likewise.
3173         (__aeabi_dcmpun): Likewise.
3174         (__aeabi_d2iz): Likewise.
3175         (__aeabi_d2uiz): Likewise.
3176         (__aeabi_d2f): Likewise.
3177         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
3178         (__aeabi_frsub): Likewise.
3179         (__aeabi_fsub): Likewise.
3180         (__aeabi_fadd): Likewise.
3181         (__aeabi_ui2f): Likewise.
3182         (__aeabi_i2f): Likewise.
3183         (__aeabi_fmul): Likewise.
3184         (__aeabi_fdiv): Likewise.
3185         (__aeabi_cfrcmple): Likewise.
3186         (__aeabi_cfcmpeq): Likewise.
3187         (__aeabi_cfcmple): Likewise.
3188         (__aeabi_fcmpeq): Likewise.
3189         (__aeabi_fcmplt): Likewise.
3190         (__aeabi_fcmple): Likewise.
3191         (__aeabi_fcmpge): Likewise.
3192         (__aeabi_fcmpgt): Likewise.
3193         (__aeabi_fcmpun): Likewise.
3194         (__aeabi_f2iz): Likewise.
3195         (__aeabi_f2uiz): Likewise.
3196         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
3197         (__aeabi_uidivmod): New function or alias.
3198         (__aeabi_idivmod): Likewise.
3199         (__aeabi_idiv0): Likewise.
3200         (__aeabi_ldiv0): Likewise.
3201         (__aeabi_llsr): Likewise.
3202         (__aeabi_lasr): Likewise.
3203         (__aeabi_llsl): Likewise.
3204         (bpabi.S): Include it.
3205         * config/arm/libgcc-bpabi.ver: New file.
3206         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
3207         (LINK_SPEC): Remove.
3208         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
3209         __aeabi_ulcmp.
3210         * config/arm/t-bpabi: New file.
3211         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
3212         (TARGET_LIB_INT_CMP_BIASED): Likewise.
3213
3214 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
3215
3216         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
3217         * config/rs6000/rs6000.md (clrmemsi): New pattern.
3218         * config/rs6000/rs6000.c (expand_block_clear): New function.
3219         (expand_block_move): Convert alignment to bits.  Use SImode and
3220         HImode for unaligned addresses if not STRICT_ALIGNMENT.
3221
3222 2004-08-10  Caroline Tice  <ctice@apple.com>
3223
3224         * varasm.c (unlikely_section_label): New global variable.
3225         (unlikely_text_section_name): New global variable.
3226         (text_section):  Remove alignment statement.
3227         (unlikely_text_section): Remove alignment statement; use
3228         unlikely_section_label rather than hard-coded string.
3229         (assemble_start_function): Initialize unlikely_section_label and
3230         unlikely_text_section_name;  make sure cold section is properly
3231         aligned at start of function; output unlikely_section_label if
3232         appropriate.
3233
3234 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
3235
3236         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
3237         * config/s390/s390.c (s390_canonicalize_comparison): New function.
3238         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
3239         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
3240         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
3241         ("*tmqi_mem"): Remove SUBREG from pattern.
3242         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
3243         ("*andsi3_cconly"): Likewise.
3244
3245 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
3246
3247         PR target/16909
3248         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
3249
3250 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
3251
3252         * doc/sourcebuild.texi (compat testing): Document available test
3253         framework commands.  Use the preferred spelling of DejaGnu.
3254
3255 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
3256
3257         * lambda.h: Add matrix type, and prototypes for remainder of
3258         matrix and vector functions.
3259         (lambda_vector_mult_const): New function.
3260         (lambda_vector_negate): Ditto.
3261         (lambda_vector_add): Ditto.
3262         (lambda_vector_add_mc): Ditto.
3263         (lambda_vector_copy): Ditto.
3264         (lambda_vector_zerop): Ditto.
3265         (lambda_vector_equal): Ditto.
3266         (lambda_vector_min_nz): Ditto.
3267         (lambda_vector_first_nz): Ditto.
3268         (lambda_vector_matrix_mult): Ditto.
3269         * lambda-mat.c: New file.
3270         * Makefile.in (lambda-mat.o): New.
3271
3272 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
3273
3274         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
3275         after linking stmt into the program.
3276         (bsi_remove): Don't call modify_stmt.
3277         * tree-complex.c (update_complex_assignment,
3278         expand_complex_comparison): Call modify_stmt after changing the stmt.
3279         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
3280         removing the stmt.
3281         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
3282         the stmt, and only if needed.
3283         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
3284         expression.
3285         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
3286         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
3287         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
3288         (eliminate_redundant_computations): Don't pass an annotation. Call
3289         modify_stmt rather than setting the annotation directly.
3290         (record_equivalences_from_stmt): Remove unused local 'j'.
3291         (cprop_operand): Take a stmt rather than an annotation as a parameter.
3292         Call modify_stmt.
3293         (cprop_into_stmt): Pass stmt rather than annotation.
3294         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
3295         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
3296         modify_stmt.
3297         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
3298
3299 2004-08-10  Jason Merrill  <jason@redhat.com>
3300
3301         PR middle-end/16948
3302         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
3303         the RESULT_DECL.
3304
3305 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
3306
3307         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
3308         hash function.
3309
3310 2004-08-10  Roger Sayle  <roger@eyesopen.com>
3311
3312         * config/mips/mips.md: New reciprocal square root patterns that
3313         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
3314
3315 2004-08-10  Paul Brook  <paul@codesourcery.com>
3316
3317         * config/arm/arm-protos.h (arm_set_return_address,
3318         thumb_set_return_address): Add prototypes.
3319         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
3320         * config/arm/arm.c (arm_compute_func_type,
3321         use_return_insn, arm_compute_save_reg0_reg12_mask,
3322         arm_compute_save_reg_mask, arm_output_function_prologue,
3323         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
3324         current_function_calls_eh_return.
3325         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
3326         old eh code.
3327         (arm_set_return_address, thumb_set_return_address): New functions.
3328         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
3329         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
3330         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
3331         (epilogue): Use the stackadj register.
3332         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
3333
3334 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
3335
3336         PR target/3144
3337         * expr.c (move_by_pieces_ninsns): Add max_size argument.
3338         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
3339         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
3340         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
3341         but using MOVE_RATIO.
3342         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
3343         (can_store_by_pieces): Change max_size type to unsigned int.
3344         (store_by_pieces_1): Likewise.  Pass max_size to
3345         move_by_pieces_ninsns.
3346         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
3347         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
3348         to move_by_pieces_ninsns.
3349         (STORE_BY_PIECES_P): Define.
3350         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
3351         to move_by_pieces_ninsns.
3352         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
3353
3354         * config/i386/i386.h (CLEAR_RATIO): Define.
3355
3356 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3357
3358         * expr.c (expand_expr_real_1): Add back code that was not dead.
3359
3360 2004-08-09  Andrew Pinski  <apinski@apple.com>
3361
3362         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
3363         which is found to be compatible before returning the aliasing set.
3364
3365 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
3366
3367         * ggc-zone.c (struct alloc_zone): Add statistics counters.
3368         (always_collect): New flag.
3369         (ggc_alloc_zone_1): Update statistics support.  Don't include
3370         overhead in allocated counter.
3371         (sweep_pages): Update allocated counter for large pages.  Don'y
3372         include overhead.
3373         (ggc_collect_1): Always collect.
3374         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
3375         whether to collect.
3376         (SCALE, LABEL): New macros.
3377         (ggc_print_statistics): Add statistics support.
3378
3379 2004-08-09  Roger Sayle  <roger@eyesopen.com>
3380
3381         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
3382         (init_expmed): Fix potential overrun problem with "all.reg".
3383         (expand_sdiv2_pow2): Add an alternate implementation for signed
3384         division, if the target provides a suitable conditional move insn.
3385
3386 2004-08-09  Paul Brook  <paul@codesourcery.com>
3387         Richard Henderson  <rth@redhat.com>
3388
3389         * unwind-dw2.c (uw_install_context_1): Update target saved stack
3390         pointer.
3391
3392 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
3393
3394         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
3395         Check DATA limit only if there's no AS limit.  Ignore insanely
3396         low DATA limits.
3397         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
3398         but take care that the AS limit isn't overrun.
3399         * doc/invoke.texi: Update documentation of min-heapsize parameter.
3400
3401 2004-08-09  Jeff Law  <law@redhat.com>
3402
3403         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
3404         (tree-ssa-threadupdate.o): Add dependencies.
3405         * tree-ssa-threadupdate.c: New file.
3406         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
3407         (rewrite_vars_out_of_ssa): Remove prototype.
3408         (cleanup_tree_cfg): Returns a bool.
3409         * tree.h (thread_through_all_blocks): Prototype.
3410         * tree-outof-ssa.c  (SSANORM_*): Move into here.
3411         (remove_ssa_form): Now static.
3412         (rewrite_vars_out_of_ssa): Kill.
3413         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
3414         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
3415         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
3416         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
3417         anything was changed.
3418         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
3419         from the PHI's annotation rather than the edge associated with
3420         the new argument.
3421         * tree-ssa-dom.c (redirection_edges): Kill.
3422         (redirect_edges_and_update_ssa_graph): Kill.
3423         (tree_ssa_dominator_optimize): Do not reset forwardable flag
3424         for blocks anymore.  Do not initialize redirection_edges.
3425         Call thread_through_all_blocks.  Simplify code for cleanup
3426         of the CFG and iterating.  No longer call cleanup_tree_cfg
3427         outside the iteration loop.
3428         (thread_across_edge): No longer mess with forwardable blocks.
3429
3430 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
3431
3432         * explow.c (memory_address): Use memory_address_p.
3433         * recog.c (general_operand): Likewise.
3434         * regrename.c: No need to define REG_OK_STRICT.
3435
3436 2004-08-09  Steven Bosscher  <stevenb@suse.de>
3437
3438         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
3439         New timers.
3440         * gcse.c: Include timevar.h.
3441         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
3442         and global_copy_prop_count.
3443         (local_const_prop_count, local_copy_prop_count): New static globals.
3444         (gcse_main): Set the right timevar for each pass.
3445         (cprop_jump): Increment global_const_prop_count when a constant is
3446         propagated.  Add "GLOBAL" to dump output.
3447         (cprop_insn): Increment global_const_prop_count when a constant is
3448         propagated, or global_copy_prop_count when a copy is propagated.
3449         (do_local_cprop): Likewise for local_const_prop_count and
3450         local_copy_prop_count.
3451         (one_cprop_pass): Initialize const/cprop counters to zero.
3452         Print out results of local and global const/cprop separately.
3453         (bypass_block): Break over-length line.
3454         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
3455         for bb-reorder.o and tracer.o.
3456
3457 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3458
3459         * Makefile.in (GTFILES): Remove stmt.c
3460         (stmt.o): Do not depend on gt-stmt.h.
3461         * emit-rtl.c (emit_line_note): Do not call
3462         set_file_and_line_for_stmt.
3463         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
3464         do everything.
3465         * function.c (free_after_parsing): Do not free STMT field.
3466         (allocate_struct_function): Do not call init_stmt_for_function.
3467         (assign_stack_temp_for_type): Do not accept values of keep
3468         other than 0 or 1.
3469         (init_temp_slots): Do not initialize removed variables.
3470         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
3471         and X_VAR_TEMP_SLOT_LEVEL fields.
3472         * rtl.h (set_file_and_line_for_stmt): Remove.
3473         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
3474         struct stmt_status, cond_stack, case_stack, nesting_stack,
3475         nesting_depth, emit_locus, set_file_and_line_for_stmt,
3476         same_case_target_p, init_stmt_for_function, emit_nop,
3477         expand_start_cond, expand_start_elseif, expand_start_else,
3478         expand_elseif, expand_end_cond): Remove.
3479         (preserve_subexpressions_p): Remove references to CFUN->STMT.
3480         (expand_start_case, expand_end_case_type): Remove, merge into...
3481         (expand_case): ... this one, including other bits from
3482         expand_expr_real_1.  Inline same_case_target_p.  Turn members
3483         of CASE_STACK into local variables.
3484         (emit_case_bit_tests): Inline same_case_target_p.
3485         (add_case_node): Add HEAD argument, return new head of the list,
3486         do not handle default label here.
3487         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
3488         expand_start_elseif, current_nesting_level, expand_start_case,
3489         expand_end_case_type, expand_end_case, add_case_node,
3490         init_stmt_for_function, expand_elseif): Remove prototypes.
3491         (expand_case): Add prototype.
3492
3493 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3494
3495         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
3496
3497 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
3498
3499         * expr.c (var_rtx): Remove.
3500         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
3501         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
3502         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
3503         Abort.
3504         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
3505         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
3506         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
3507
3508 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
3509         Ayal Zaks <zaks@il.ibm.com>
3510
3511         * common.opt (freschedule-modulo-scheduled-loops): New flag.
3512         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
3513         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
3514         when -freschedule-modulo-scheduled-loops flag is not specified.
3515         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
3516         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
3517         More accurate placing of insn in row of partial schedule.
3518         (ps_insn_find_column): New function.
3519         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
3520         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
3521         (schedule_region): Use sched_is_disabled_for_current_region_p.
3522         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
3523
3524 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3525
3526         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
3527         change.
3528
3529 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
3530
3531         * config/i386/i386.c (ix86_expand_clrmem): Properly call
3532         gen_strset for 64bit target.
3533
3534 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
3535
3536         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
3537
3538 2004-08-07  Jason Merrill  <jason@redhat.com>
3539
3540         Make return in memory explicit.
3541         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
3542         (assign_parm_find_data_types): Remove code for old front end
3543         invisible reference handling.
3544         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
3545         (expand_function_end): Likewise.
3546         * gimplify.c (gimplify_return_expr): Handle a dereferenced
3547         RESULT_DECL.
3548         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
3549         (declare_return_variable): Handle DECL_BY_REFERENCE.
3550         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
3551         (cp_genericize_r): Use convert_from_reference.
3552         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
3553         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
3554
3555         * c-common.c (c_warn_unused_result): Check TREE_USED before
3556         warning about a CALL_EXPR with an unused value.
3557
3558 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
3559
3560         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
3561         to the compiler.  Use -fshort-wchar by default.
3562
3563 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
3564
3565         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
3566         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
3567         threshhold.
3568         * doc/invoke.texi (param): Document min-crossjump-insns.
3569
3570 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
3571
3572         PR c/13282
3573         * c.opt (Wmissing-field-initializers): New option.
3574         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
3575         * c-typeck.c (pop_init_level): Guard the missing field warning with
3576         warn_missing_field_initializers rather than extra_warnings.
3577         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
3578         some of the explanation from...
3579         (-Wextra): ...here.  Say that the missing field warning can be
3580         seperately controlled by -Wmissing-field-initializers.
3581
3582 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
3583
3584         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
3585         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
3586         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
3587         * tree.def (ENTRY_VALUE_EXPR): Remove.
3588
3589 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
3590
3591         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
3592         the places where it is actually needed.  Don't use repz; stosb
3593         for -Os with sufficiently small constant sizes.
3594         For sufficiently small repz; stos{l,q} repeat counts use a sequence
3595         of stos{l,q} instructions instead.
3596
3597 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3598
3599         PR tree-optimization/16807
3600         * loop-iv.c (dump_iv_info): Dump invariants correctly.
3601         (iv_subreg, iv_extend): Express value of invariant purely in
3602         base field.
3603
3604 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
3605
3606         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
3607         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
3608
3609 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
3610
3611         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
3612         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
3613         pre_dec_operand.
3614         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
3615         pattern until reload is finished to allow better code generation
3616         and split them completely into separate instrunctions.
3617         (*andsi3_split): New pattern.
3618
3619 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
3620
3621         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
3622         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
3623         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
3624         * tree.h (handle_dll_attribute): Declare.  Test
3625         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
3626         * c-common.h (c_determine_visibility): Declare.
3627         * c-common.c (c_determine_visibility): New function.
3628         * c-decl.c (finish_decl): Use it.
3629         (finish_function): Likewise.
3630         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
3631         zero, by default.  Use #if, not #ifdef, to test it.
3632         * config/arm/arm.c (arm_attribute_table): Use
3633         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
3634         #if.
3635         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
3636         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
3637         to 1.
3638         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
3639         * config/i386/i386.c (ix86_attribute_table): Use
3640         handle_dll_attribute for dllimport/dllexport.  Test
3641         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
3642         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
3643         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
3644         it to 1.
3645         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
3646         with #if.
3647         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
3648         it to 1.
3649         * doc/extend.texi (dllexport): Clarify and correct documentation.
3650         (dllimport): Likewise.
3651         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
3652         handle_dll_attribute.
3653
3654 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3655
3656         * tree-ssa-loop-manip.c: New file.
3657         * Makefile.in (tree-ssa-loop-manip.o): Add.
3658         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
3659         Declare.
3660         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
3661         form.
3662         (tree_ssa_loop_done): Verify loop closed ssa form.
3663         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
3664
3665 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3666
3667         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
3668         pa_asm_output_aligned_local): New functions.
3669         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
3670         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
3671         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
3672         pa_asm_output_aligned_common.
3673         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
3674         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
3675         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
3676         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
3677         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
3678         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
3679         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
3680         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
3681         common data.
3682
3683 2004-08-05  Andrew Pinski  <apinski@apple.com>
3684
3685         * objc/objc-act.c (build_objc_string_object): Mark the address
3686         expression as constant.
3687
3688 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
3689
3690         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
3691         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
3692         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
3693
3694 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3695
3696         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
3697         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
3698         out, and associated obsolete comments.
3699
3700 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
3701
3702         * tree.h (force_fit_type): Return a tree, take three flags.
3703         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
3704         TREE_CONSTANT_OVERFLOW here.
3705         (int_const_binop, const_binop): Adjust.
3706         (size_int_type): Do sign extension here.
3707         (fold_convert_const, optimize_bit_field_compare,
3708         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
3709         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
3710         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
3711
3712 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3713
3714         PR tree-optimization/16864
3715         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
3716         for ssa names without default_def.
3717
3718 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
3719
3720         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
3721         frame pointer, restore eax with an ebp-relative address.
3722
3723 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
3724
3725         PR 14516
3726         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
3727         * c-common.h (make_rtl_for_local_static): Delete.
3728         * c-decl.c (shadow_tag_warned): Clean up comment.
3729         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
3730         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
3731         * c-semantics.c (make_rtl_for_local_static): Delete.
3732         * expr.c (init_block_move_fn): Use set_user_assembler_name.
3733         (init_block_clear_fn): Likewise.
3734         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
3735         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
3736         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
3737         * tree.h (make_decl_rtl): Remove second parameter.
3738         (set_user_assembler_name): New.
3739         * varasm.c (set_user_assembler_name): New.
3740         (make_decl_rtl): Remove second parameter.  Update callers in many
3741         files.
3742
3743 2004-08-05  Adam Nemet  <anemet@lnxw.com>
3744
3745         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
3746         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
3747         to LynxOS 4.0.
3748         * gthr-lynx.h: New file.
3749         * config/lynx-ng.h: Remove file.
3750         * config/lynx.h: Update to LynxOS 4.0.
3751         * config/t-lynx: New file.
3752         * config/i386/lynx-ng.h: Remove file.
3753         * config/i386/lynx.h: Update to LynxOS 4.0.
3754         * config/rs6000/lynxbase.h: Remove file.
3755         * config/rs6000/lynx.h: Update to LynxOS 4.0.
3756         * config/rs6000/t-lynx: New file.
3757         * doc/install.texi (Options specification): Remove reference to
3758         LynxOS from systems where --with-gnu-as makes a difference.
3759
3760 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3761
3762         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
3763         __UINTMAX_TYPE__.
3764         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
3765         __INTMAX_MAX__.
3766         (c_cpp_builtins): Call it.
3767         * doc/cpp.texi: Update.
3768
3769 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
3770
3771         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
3772         cost.
3773
3774 2004-08-04  Jan Hubicka  <jh@suse.cz>
3775
3776         * basic-block.h (profile_staus): New global variable.
3777         * cfg.c (profile_status): Declare.
3778         (check_bb_profile): Break out from ....; use profile_status
3779         (dump_flow_info): ... here.
3780         * cfgbuild.c (find_basic_blocks): Set profile_status.
3781         * cfgexpand.c (tree_expand_cfg): Likewise.
3782         * predict.c (estimate_probability): Likewise.
3783         * profile.c (branch_prob): Likewise.
3784         * tree-cfg.c (build_tree_cfg): Likewise.
3785         (dump_function_to_file): Use check_bb_profile.
3786         * tree-pretty-print (dump_bb_header): Likewise.
3787         * tree-profile.c (do_tree_profiling): Cleanup.
3788
3789 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
3790
3791         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
3792         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
3793         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
3794         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
3795         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
3796         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
3797         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
3798         (ggc-none.o, errors.o): Move rule to generators section;
3799         correct dependencies.
3800         (min-insn-modes.o): Move rule to generators section; remove
3801         unnecessary explicit command; correct dependencies.
3802         (print-rtl.o, print-rtl1.o): Correct dependencies.
3803         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
3804         (mostlyclean): Update.
3805
3806         * errors.c: Include bconfig.h not config.h.  Correct comment.
3807         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
3808         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
3809         * print-rtl.c: Don't include tm_p.h.
3810
3811         * rtl.h: Move forward-decl of struct function down where it's
3812         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
3813         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
3814
3815 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3816             Jeff Law  <law@redhat.com>
3817
3818         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
3819         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
3820         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
3821         manipulate the duplicated ssa names.
3822         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
3823         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
3824         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
3825         New functions.
3826         (release_ssa_name): Do not release ssa names that may have multiple
3827         definitions.
3828         * tree.h (release_ssa_name_force, mark_for_rewrite,
3829         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
3830         marked_ssa_names): Declare.
3831         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
3832         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
3833         Update call to rewrite_ssa_into_ssa.
3834
3835 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
3836
3837         * defaults.h (TARGET_DECLSPEC): New macro.
3838         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
3839         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
3840         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
3841         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
3842         __declspec support.
3843         (TARGET_DECLSPEC): Define.
3844         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
3845         __declspec support.
3846         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
3847         __declspec support.
3848         (TARGET_DECLSPEC): Define.
3849         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
3850         __declspec support.
3851         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
3852         support.
3853         * doc/tm.texi (TARGET_DECLSPEC): Document.
3854
3855         * doc/extend.texi: Fix typo in comment.
3856
3857 2004-08-04  Paul Brook  <paul@codesourcery.com>
3858
3859         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
3860         (TARGET_CXX): Use it.
3861         * target.h (struct gcc_target): Add cdtor_returns_this.
3862         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
3863         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
3864         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
3865
3866 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
3867
3868         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
3869         low/high pair. Do range checking directly.
3870         (interpret_integer): Adjust.
3871
3872 2004-08-04  Nick Clifton  <nickc@redhat.com>
3873
3874         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
3875         GCC ABI.
3876         * doc/invoke.texi: Document this new switch and also the -mrenesas
3877         switch.
3878
3879 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
3880
3881         * cfglayout.c (insn_locators_initialize): Update the current
3882         location before initializing a location.
3883
3884 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
3885
3886         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
3887         (dbxout_function_end): Return after emitting the "Lscope" symbol
3888         under the same conditions that this function formerly wasn't called.
3889         Add explanatory comments.
3890
3891         PR 14860
3892         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
3893         on the new decl.
3894
3895         PR 13956
3896         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
3897         functions, broken out of dbxout_block.
3898         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
3899         stabs too, if it contains symbols.  Use the begin_label and
3900         the Lscope label (emitted by dbxout_function_end) for the
3901         range of this block.
3902
3903 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
3904
3905         * doc/install.texi: Update autoconf version requirements.
3906
3907 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
3908
3909       &nb