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1 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
2
3         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
4         (pass_loop_done): Likewise.
5
6 2004-08-18  Andrew Pinski  <apinski@apple.com>
7
8         * config/rs6000/darwin.md: Delete the altivec patterns which are 
9         handled differently now.
10         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
11         (macho_correct_pic_di): Likewise.
12         (call_indirect_nonlocal_darwin64): Likewise.
13         Delete the save world/saveFP/saveVec patterns.
14         
15         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
16         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
17         * config/rs6000/rs6000.md: Include darwin.md.
18         (builtin_setjmp_receiver): Add DImode case.
19         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
20         Darwin bits.
21
22 2004-08-18  Matt Austern  <austern@apple.com>
23
24         Dead code stripping
25         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
26         * darwin.c (darwin_file_end): Mark file as potentially strippable.
27         
28 2004-08-18  Richard Henderson  <rth@redhat.com>
29
30         * alias.c (readonly_fields_p): Remove.
31         (objects_must_conflict_p): Don't call it.
32         * tree.h (readonly_fields_p): Remove.
33         * langhooks.h (struct lang_hooks): Remove honor_readonly.
34         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
35
36 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
37
38         * tree-dfa.c (add_referenced_var): Only global variables are
39         call-clobbered.
40         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
41         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
42         all pointers dereferenced if the statement dereferences them.
43         (create_name_tags): Do not create memory tags for pointers
44         that have PT_ANYTHING set.
45         Also check if PT_VARS is not empty before creating a name tag.
46         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
47         variables that share the same alias set with a pointer that
48         may point anywhere.
49         (add_may_alias): Add FIXME comment to remove clobbering
50         aliased variables and tags.
51         (replace_may_alias): Likewise.
52         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
53         (merge_pointed_to_info): If the original variable has not
54         points-to information, call set_pt_anything.
55         (add_pointed_to_var): Do not prevent adding a pointed-to
56         variable if the pointers is PT_ANYTHING.
57         If the variable is a global, set PT_GLOBAL_MEM.
58         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
59         pointer type only come in PTR+OFFSET flavours.
60         Always call merge_pointed_to_info on PHI arguments that are
61         SSA_NAMEs.
62         (get_nmt_for): Mark call-clobbered tags whose pointer points
63         to global memory.
64         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
65         values.
66         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
67         FLAGS.
68         (add_stmt_operand): Abort if the caller tried to add a killing
69         definition for a memory tag.
70         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
71         unnecessary checks.
72
73 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
74
75         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
76         from call_used_regs.  Update call_really_used_regs.
77         (CALL_REALLY_USED_REGISTERS): Define.
78         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
79         Replace call_used_regs with call_really_used_regs.
80         (calc_live_regs, sh_media_register_for_return): Likewise.
81         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
82         * sh.md (return_media): Likewise.
83
84 2004-08-18  Andrew Pinski  <apinski@apple.com>
85
86         * config/darwin.c (machopic_legitimize_pic_address): Only set 
87         MEM_READONLY_P in the non TARGET_TOC case.
88
89 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
90
91         * rtl.def (NIL): Delete.
92         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
93         Tighten the syntax a little.
94
95         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
96         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
97         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
98         * config/i386/predicates.md, config/m32r/m32r.h
99         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
100         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
101         * config/sparc/sparc.h, doc/tm.texi:
102         Replace all occurrences of NIL with UNKNOWN.
103
104 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
105
106         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
107         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
108         sequence inline.  Move drop_through_label code into this
109         block, being the only place it is used.  Adjust comments.
110
111 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
112
113         * config/rs6000/altivec.md: Add new patterns for calls to
114         save_world/rest_world functions.
115
116         * config/rs6000/rs6000-protos.h: (save_world_operation,
117         restore_world_operation) new declarations.
118
119         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
120         field added.
121         (rs6000_stack_info): Set world_save_p field.
122         (save_world_operation): New function.
123         (restore_world_operation): New function.
124         (compute_save_world_info): New function.
125         (rs6000_stack_info): Call compute_save_world_info.
126         (rs6000_emit_prologue): Check for world_save_p and generate
127         pattern to call save_world for saving all non-volatile and
128         special registers.
129         (rs6000_emit_epilogue): Check for world_save_p and generate
130         pattern to call rest_world to restore saved registers.
131
132         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
133         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
134         (rs6000_reg_names): New entries added for save_world_operation and
135         restore_world_operation.
136
137 2004-08-18  Caroline Tice  <ctice@apple.com>
138
139         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
140         "-freorder-blocks-and-partition" to the flags used in second
141         stage of profiledbootstrap.
142         * bb-reorder.c (push_to_next_round_p): Add new variable,
143         next_round_is_last; set and use variable to make sure, when
144         partitioning, that the last trace construction round consists
145         of all (and only) cold basic blocks.
146         (rotate_loop): Don't copy blocks that end in a section
147         crossing jump.
148         (copy_bb): Correctly initialize "partition" of duplicated bb.
149         (add_unlikely_executed_notes): Add a comment.
150         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
151         to make sure, if function contains hot blocks, that the
152         successors of ENTRY_BLOCK_PTR are hot; also, only look for
153         crossing edges if the architecture supports named sections.
154         (mark_bb_for_unlikely_executed_section): Modify to always
155         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
156         the basic block note insn.
157         (fix_crossing_unconditional_branches): Remove extra space.
158         (fix_edges_for_rarely_executed_code): Modify to only do
159         partitioning work if the architecture supports named sections.
160         (reorder_basic_blocks): Modify to only add
161         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
162         supports named sections.
163         * c-common.c (handle_section_attribute): Initialize new global
164         variable, user_defined_section_attribute, to true if user has
165         specified one.
166         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
167         forward edges that cross section boundaries.
168         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
169         partitioning information if the architecture supports named
170         sections.
171         * cfgrtl.c (target.h): Add statement to include this.
172         (rtl_split_block): Make sure newly created bb gets correct
173         partition.
174         (try_redirect_by_replacing_jump): Make sure redirection isn't
175         attempting to cross section boundaries.
176         (force_nonfallthru_and_redirect): Only do partition fix up if
177         architecture supports named sections.
178         (rtl_split_edge): Make sure newly created bb ends up in
179         correct partition.
180         (commit_one_edge_insertion): Remove code that incorrectly
181         updated basic block partition; Make sure partition fix up only
182         happens if architecture supports named sections and it's not
183         already done.
184         (rtl_verify_flow_info_1): Fix if-condition on test/error
185         condition that fallthru edges are not allowed to cross section
186         boundaries.
187         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
188         * final.c (final_scan_insn): Remove redundant test from if-statement;
189         change calls to text_section into calls to function_section; add code
190         to only to partitioning fix up if architecture supports named
191         sections.
192         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
193         partition.
194         (if_convert): Add targetm.have_named_sections to test.
195         * output.h (unlikely_section_label): Extern declaration for new global
196         variable.
197         (unlikely_text_section_name): Likewise.
198         * opts.c (decode_options): If both partitioning and DWARF debugging
199         are turned on, issue a warning that this doesn't work, and change
200         partitiong to basic block reordering (without hot/cold partitions).
201         * passes.c (rest_of_handle_final): Re-set new global variable,
202         user_defined_section_attribute, to false.
203         (rest_of_compilation): Change options for calling partitioning
204         function: Don't call if the user defined the section attribute, and
205         don't call if DECL_ONE_ONLY is true for the current function.
206         * predict.c (choose_function_section): Return immediately if we
207         are doing hot/cold partitioning (i.e. let the basic block partitioning
208         determine where the function belongs).
209         * reg-stack.c (emit_swap_insn): Add condition to step over
210         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
211         * toplev.c (user_defined_section_attribute): New global variable.
212         * toplev.h (user_defined_section_attribute): Extern declaration for new
213         global variable.
214         * varasm.c (unlikely_section_label): New global variable.
215         (unlikely_text_section_name): New global variable.
216         (unlikely_text_section): Add code to initialize unlikely_text_section_name
217         if necessary; modify to use unlikely_text_section_name and
218         unlikely_section_label; also to use named_section properly.
219         (in_unlikely_text_section):  Modify to work correctly with named_section
220         and to use unlikely_text_section_name.
221         (named_section):  Add code to work properly with cold section.
222         (function_section): Clean up if-statement.
223         * config/darwin.c (darwin_asm_named_section): Return to original code,
224         removing use of SECTION_FORMAT_STRING.
225         * config/arm/pe.h (switch_to_section):  Add case for
226         in_unlikely_executed_text to switch statement.
227         * config/i386/cygming.h (switch_to_section): Likewise.
228         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
229         (SECTION_FORMAT_STRING): Likewise.
230         * config/mcore/mcore.h (switch_to_section): Likewise.
231         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
232         (SECTION_FORMAT_STRING): Remove.
233
234 2004-08-18  Roger Sayle  <roger@eyesopen.com>
235
236         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
237         -ffixed-reg safe, by preserving the meanings of zero and one.
238         (CALL_USED_REGISTERS): Likewise.
239         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
240
241 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
242
243         * config/sh/sh.c (split_branches): Check the result of
244         next_active_insn.
245         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
246         Call rtl_register_cfg_hooks.
247
248 2004-08-18  Richard Henderson  <rth@redhat.com>
249
250         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
251         * alias.c (true_dependence): Update to match new semantics.
252         (canon_true_dependence, write_dependence_p): Likewise.
253         (anti_dependence, output_dependence): Update write_dependence_p args.
254         (unchanging_anti_dependence): Remove.
255         * calls.c (purge_mem_unchanging_flag): Remove.
256         (fixup_tail_calls): Don't call it.
257         (expand_call): Don't add unchanging memory to function usage.
258         * expr.c (emit_block_move_via_libcall): Likewise.
259         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
260         (get_subtarget): Don't use RTX_UNCHANGING_P.
261         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
262         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
263         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
264         * cse.c (insert): Don't use RTX_UNCHANGING_P.
265         (cse_insn, canon_hash): Use MEM_READONLY_P.
266         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
267         instead of RTX_UNCHANGING_P.
268         * explow.c (maybe_set_unchanging): Remove.
269         * expr.h (maybe_set_unchanging): Remove.
270         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
271         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
272         (assign_parm_setup_reg, expand_function_start): Likewise.
273         * integrate.c (copy_rtx_and_substitute): Likewise.
274         * ra-rewrite.c (emit_colors): Likewise.
275         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
276         (fixup_match_1): Likewise.
277         * reload1.c (reload, alter_reg): Likewise.
278         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
279         not RTX_UNCHANGING_P.
280         (equiv_init_varies_p): Likewise.
281         * loop-invariant.c (check_maybe_invariant): Likewise.
282         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
283         * loop.c (note_addr_stored): Likewise.
284         (prescan_loop): Likewise. Don't check function usage for clobbered
285         unchanging memory.
286         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
287         not RTX_UNCHANGING_P.
288         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
289         * varasm.c (force_const_mem): Likewise.
290         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
291         * web.c (entry_register): Likewise.
292         * tree-gimple.h (get_base_address): Move decl ...
293         * tree.h: ... here.
294         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
295
296         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
297         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
298         (alpha_set_memflags): Update to match.
299
300         * config/darwin.c (machopic_indirect_data_reference): Set
301         MEM_READONLY_P instead of RTX_UNCHANGING_P.
302         (machopic_indirect_call_target): Likewise.
303         (machopic_legitimize_pic_address): Likewise.
304         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
305         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
306         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
307         * config/frv/frv.md (symGOT2reg): Likewise.
308         * config/i386/i386.c (legitimize_pic_address,
309         legitimize_tls_address, ix86_split_to_parts): Likewise.
310         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
311         * config/ia64/ia64.md (load_fptr): Likewise.
312         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
313         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
314         * config/mcore/mcore.c (block_move_sequence): Likewise.
315         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
316         * config/pa/pa.c (legitimize_pic_address): Likewise.
317         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
318         (rs6000_emit_move): Likewise.
319         * config/s390/s390.c (legitimize_pic_address): Likewise.
320         (legitimize_tls_address): Likewise.
321         * config/s390/s390.md (casesi): Likewise.
322         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
323         * config/sh/sh.md (symGOT2reg): Likewise.
324         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
325         * config/v850/v850.md (casesi): Likewise.
326
327         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
328         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
329         * config/mips/mips.c (mips_restore_gp): Likewise.
330         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
331         * config/sh/sh.c (sh_reorg): Likewise.
332
333 2004-08-18  Richard Henderson  <rth@redhat.com>
334
335         * tree.h (struct tree_decl): Add gimple_formal_temp.
336         (DECL_GIMPLE_FORMAL_TEMP_P): New.
337         * gimplify.c (pop_gimplify_context): Clear it.
338         (lookup_tmp_var): Set it, if is_formal.
339         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
340         Use is_gimple_val for VECTOR.  Simplify return value.
341         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
342         (gimplify_expr): Likewise.
343         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
344         is_gimple_tmp_rhs for clarity.  Update all callers.
345         (is_gimple_reg_rhs): Simplify logic.
346         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
347         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
348         (is_gimple_formal_tmp_reg): Similarly.
349         * tree-gimple.h: Update decls.
350         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
351         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
352         * tree-ssa-live.c (var_union, type_var_init): Likewise.
353
354 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
355
356         * c4x.c (legitimize_operands): Remove calls to
357         preserve_subexpressions_p.
358
359 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
360
361         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
362         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
363
364 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
365
366         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
367         Objective-C++ extensions.
368         * gengtype.c (get_file_basename): Match entire subdirectory name
369         ('cp', 'objc', 'objcp') rather than just its suffix.
370         (get_base_file_bitmap): Allow for files to belong to more than one
371         language.
372         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
373         used by more than one front-end.
374
375 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
376
377         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
378         avoid use of preserve_subexpressions_p.
379
380 2004-08-17  Richard Henderson  <rth@redhat.com>
381
382         PR 17051
383         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
384
385 2004-08-17  DJ Delorie  <dj@redhat.com>
386
387         * doc/extend.texi: Document new xstormy16 attribute.
388
389         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
390         (xstormy16_splittable_below100_or_register): New.
391         (combine_bnp): New.
392         (xstormy16_reorg): New.
393         (TARGET_MACHINE_DEPENDENT_REORG): Define.
394
395
396         * config/stormy16/stormy16.md (movqi_internal): Make name public.
397         (movhi_internal): Likewise.
398         (cbhranchhi): Likewise.
399         (cbhranchhi_neg): Likewise.
400         (andhi3): Only allow splittable below100 operands.
401         (iorhi3): Likewise.
402         (peephole2): New and/zero_extend->and peephole.
403         (peephole2): New load/ior/save->set1 peephole.
404         (peephole2): New load/and/save->clr1 peephole.
405         (bclrx, bclrx2, bclr7, bclr15): New.
406         (bsetx, bsetx2, bset7, bset15): New.
407
408         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
409         liberal about acceptable 'B' masks.
410
411         * config/stormy16/stormy16-protos.h
412         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
413         xstormy16_below100_operand, xstormy16_below100_or_register,
414         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
415         (PREDICATE_CODES): Add new predicates.
416
417         * config/stormy16/stormy16.c
418         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
419         xstormy16_below100_operand, xstormy16_below100_or_register,
420         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
421         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
422         (xstormy16_legitimate_address_p): Allow below100 symbols.
423         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
424         (xstormy16_expand_move): Leave below100 operands as-is.
425         (xstormy16_encode_section_info): Encode below100 symbols.
426         (xstormy16_strip_name_encoding): New.
427         (xstormy16_print_operand): Print 'b' as shift mask.
428         (xstormy16_attribute_table): Add below100 attributes.
429         (xstormy16_handle_below100_attribute): New.
430
431         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
432         (XSTORMY16_SECTION_FUNCTION): New.
433         (EXTRA_SECTION_FUNCTIONS): Define using the above.
434         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
435         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
436         (ASM_OUTPUT_LABELREF): Define.
437
438         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
439         (movhi_internal): Add below100 support.
440         (andhi3): Add below100 support.
441         (iorhi3): Add below100 support.
442         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
443
444 2004-08-17  James E Wilson  <wilson@specifixinc.com>
445
446         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
447         of VOIDmode for comparison code mode.
448         * config/mips/mips.md: For conditional move patterns, use mode of
449         first compare operand for comparison mode, instead of VOIDmode.
450
451         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
452         normal and -ffast-math code.
453
454 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
455
456         PR c++/15871
457         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
458
459 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
460
461         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
462
463 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
464
465         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
466         for non Darwin targets.
467         (*call_value_nonlocal_darwin64): Likewise.
468
469 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
470
471         * config/rs6000/rs6000.c (rs6000_function_value): Check for
472         altivec mode for altivec return register.
473
474 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
475
476         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
477         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
478         * config/rs6000/rs6000.md: Include darwin.md.
479         (builtin_setjmp_receiver): Add DImode case.
480         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
481         Darwin bits.
482
483 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
484
485         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE trees.
486         * tree-vectorizer.h: New File: Same.
487         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
488         * common.opt (ftree-vectorize): New flag to enable vectorization.
489         * timevar.def (TV_TREE_VECTORIZATION): New dump file for vectorization
490         pass.
491         * tree-data-ref.h (init_data_ref): Additional argument.
492         (array_base_name_differ_p): Moved to tree-data-ref.c.
493         * tree-data-ref.c (array_base_name_differ_p): Revised.
494         (initialize_data_dependence_relation): Call array_base_name_differ_p
495         with an extra argument.
496         (analyze_all_data_dependences): Same.
497         (init_data_ref): Additional argument is_read to set DR_IS_READ.
498         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this file.
499         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
500         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
501         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
502         vectorization pass.
503         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
504         (tree_ssa_loop_done): Call scev_finalize.
505         (tree_vectorize): Define the new vectorization pass.
506         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the size of
507         the vector they support (until support for multiple vector sizes is
508         added to the vectorizer).
509         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
510         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
511         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
512         documentation.
513
514 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
515
516         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
517         usage.
518         (generate_protocol_list, handle_impent): Likewise.
519
520 2004-08-17  Roger Sayle  <roger@eyesopen.com>
521
522         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
523         ensure that call_used_regs is a superset of both fixed_regs and
524         call_really_used_regs.
525
526 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
527
528         PR target/17019
529         * arm.md (addsi3_cbranch_scratch): Correct case labels.
530
531 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
532
533         PR middle-end/17036
534         * fold-const.c (fold): Check for integer operand when
535         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
536         Pinski  <pinskia@physics.uc.edu>.
537
538 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
539
540         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
541         No need to check if in a cross configuration.
542         * configure: Regenerate.
543
544         * calls.c (precompute_register_parameters):
545         Inline preserve_subexpressions_p ().
546         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
547         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
548         Likewise.
549         * expr.c (get_subtarget): Likewise.
550         * rtl.h (preserve_subexpressions_p): Remove.
551         * stmt.c (preserve_subexpressions_p): Remove.
552
553         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
554         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
555         Abort on gimplified cases.
556
557 2004-08-16  James E Wilson  <wilson@specifixinc.com>
558
559         * tree.h (VECTOR_FLOAT_TYPE_P): New.
560         (FLOAT_TYPE_P): Use it.
561         * c-typeck.c (build_binary_op): After convert calls, check for
562         check for ERROR_MARK operands.
563
564 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
565
566         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
567         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
568         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
569         (genobjs static pattern rule): Remove %.c dependency.
570         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
571         Rename rules; delete commands; fix dependencies.
572         (mostlyclean): Do not delete temporary source copies.
573         * configure.ac: Delete all references to BUILD_PREFIX and
574         BUILD_PREFIX_1.
575         * configure: Regenerate.
576
577         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
578         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
579         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
580         with #ifndef GENERATOR_FILE so that nothing from those headers
581         is used.
582
583         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
584
585 2004-08-16  Adam Nemet  <anemet@lnxw.com>
586
587         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
588
589 2004-08-16  Andrew Pinski  <apinski@apple.com>
590
591         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
592         extraneous semicolon.
593
594 2004-08-16  Devang Patel  <dpatel@apple.com>
595
596         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
597         * print-tree.c (print_node): Print DECL_PRESERVE_P.
598         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
599         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
600         * target.h (struct gcc_target): New member, mark_decl_preserved.
601         * hooks.c (hook_void_charptr): Rename to ...
602         (hook_void_constcharptr): ... new name.
603         * hooks.h (hook_void_charptr): Rename to ..
604         (hook_void_constcharptr): ... new name.
605         * tree.h (DECL_PRESERVE_P): New #define.
606         (struct tree_decl): New member, preserve_flag.
607         * varasm.c (assemble_start_function): Mark decl preserved.
608         (assemble_variable): Same.
609         * darwin.c (darwin_mark_decl_preserved): New function.
610         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
611         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
612         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
613
614 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
615
616         * c-decl.c (grokdeclarator): Allow for function definition where
617         innermost declarator has attributes.
618
619 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
620
621         * except.c (get_exception_filter, build_post_landing_pads,
622         dw2_build_landing_pads): Use target-specific mode for 'filter'.
623         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
624         * target.h (eh_return_filter_mode): New field added.
625         * targhooks.c (default_eh_return_filter_mode): Defined.
626         * targhooks.h (default_eh_return_filter_mode): Declared.
627         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
628
629 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
630
631         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
632         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
633         * configure: Regenerate.
634
635 2004-08-16  Stan Shebs  <shebs@apple.com>
636
637         Basic support for 64-bit Darwin.
638         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
639         (machopic_legitimize_pic_address): Similarly, plus use Pmode
640         instead of SImode.
641         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
642         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
643         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
644         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
645         (PROCESSOR_DEFAULT64): Define.
646         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
647         Darwin.
648         * config/rs6000/rs6000.md: Include darwin.md.
649         (builtin_setjmp_receiver): Add DImode case.
650         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
651         Darwin.
652         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
653         (rs6000_emit_move): Add DImode case to Darwin bits.
654         (machopic_output_stub): Use .quad if 64-bit.
655         * invoke.texi: Document -m32 and -m64.
656
657 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
658
659         * doc/extend.texi (AltiVec builtins): Document additional differences
660         from the Motorola AltiVec PIM.
661
662 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
663
664         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
665         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
666         (struct tree_common): Update public_flag documentation.
667
668 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
669
670         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
671         Check for artificial variables, not is_gimple_tmp_var.
672         * tree-ssa-live.c (var_union): Likewise.
673
674 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
675
676         * calls.c (load_register_parameters): Remove spurious FIXME token.
677
678 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
679
680         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
681         (c-lang.o): Depend on c-objc-common.h.
682         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
683         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
684         * c-lang.c: Include c-objc-common.h.
685         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
686         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
687         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
688         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
689         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
690         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
691         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
692         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
693         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
694         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
695         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
696         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
697         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
698         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
699         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
700         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
701         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
702         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
703         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
704         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
705         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
706         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
707         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
708         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
709         Move to c-objc-common.h.
710         * c-objc-common.c: Include c-objc-common.h.
711         * c-objc-common.h: New file.
712
713 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
714             Andrew Pinski  <pinskia@physics.uc.edu>
715
716         PR target/14931
717         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
718         style.
719
720 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
721
722         * tree.h (build_int_cst): New.
723         (build_int_2): Remove.
724         * tree.c (build_int_2): Remove.
725         (build_int_cst): New.
726         (make_vector_type, build_common_tree_nodes,
727         build_common_tree_nodes_2): Use build_int_cst.
728         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
729         expand_builtin_strpbrk, expand_builtin_fputs,
730         build_string_literal, expand_builtin_printf,
731         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
732         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
733         fold_builtin_isdigit, simplify_builtin_strstr,
734         simplify_builtin_strpbrk, fold_builtin_fputs,
735         simplify_builtin_sprintf): Use build_int_cst.
736         * c-common.c (start_fname_decls, fix_string_type,
737         c_common_nodes_and_builtins, c_init_attributes,
738         shorten_compare): Likewise.
739         * c-decl.c (complete_array_type,
740         check_bitfield_type_and_width): Likewise.
741         * c-lex.c (interpret_integer, lex_charconst): Likewise.
742         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
743         * c-pretty-print.c (pp_c_integer_constant): Likewise.
744         * c-typeck.c (really_start_incremental_init, push_init_level,
745         set_nonincremental_init_from_string): Likewise.
746         * calls.c (load_register_parameters): Likewise.
747         * convert.c (convert_to_pointer): Likewise.
748         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
749         build_fn_info_type, build_ctr_info_value, build_gcov_info):
750         Likewise.
751         * except.c (init_eh, assign_filter_values, assign_filter_values):
752         Likewise.
753         * expmed.c (store_fixed_bit_field, extract_bit_field,
754         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
755         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
756         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
757         * expr.c (convert_move, emit_group_load, emit_group_store,
758         expand_assignment, store_constructor, store_field,
759         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
760         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
761         invert_truthvalue, optimize_bit_field_compare,
762         decode_field_reference, all_ones_mask_p, constant_boolean_node,
763         fold_div_compare, fold, fold_read_from_constant_string,
764         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
765         * function.c (assign_parm_setup_block): Likewise.
766         * stmt.c (shift_return_value, expand_end_case_type,
767         estimate_case_costs): Likewise.
768         * stor-layout.c (layout_type, initialize_sizetypes,
769         set_min_and_max_values_for_integral_type): Likewise.
770         * tree-chrec.c (chrec_fold_multiply_poly_poly,
771         reset_evolution_in_loop): Likewise.
772         * tree-chrec.h (build_polynomial_chrec): Likewise.
773         * tree-complex.c (build_replicated_const): Likewise.
774         * tree-eh.c (honor_protect_cleanup_actions,
775         lower_try_finally_onedest, lower_try_finally_copy,
776         lower_try_finally_switch): Likewise.
777         * tree-mudflap.c (mf_build_string, mx_register_decls,
778         mudflap_register_call, mudflap_enqueue_constant): Likewise.
779         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
780         * tree-pretty-print.c (dump_generic_node): Likewise.
781         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
782         Likewise.
783         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
784         * tree-ssa-loop-niter.c (number_of_iterations_cond,
785         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
786         Likewise.
787
788         * config/alpha/alpha.c (alpha_initialize_trampoline,
789         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
790         * config/arm/arm.c (arm_get_cookie_size): Likewise.
791         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
792         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
793         * config/i860/i860.c (i860_va_start): Likewise.
794         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
795         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
796         mips_gimplify_va_arg_expr): Likewise.
797         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
798         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
799         add_compiler_branch_island): Likewise.
800         * config/s390/s390.c (s390_va_start): Likewise.
801         * config/sh/sh.c (sh_va_start): Likewise.
802         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
803         Likewise.
804         * config/xtensa/xtensa.c (xtensa_va_start,
805         xtensa_gimplify_va_arg_expr): Likewise.
806
807         * objc/objc-act.c (build_objc_string_object,
808         build_objc_symtab_template, init_def_list, init_objc_symtab,
809         init_module_descriptor, generate_static_references,
810         build_selector_translation_table, get_proto_encoding,
811         build_typed_selector_reference, build_selector_reference,
812         build_next_objc_exception_stuff,
813         build_method_prototype_list_template, generate_descriptor_table,
814         generate_protocols, build_protocol_initializer,
815         build_ivar_list_template, build_method_list_template,
816         build_ivar_list_initializer, generate_ivars_list,
817         generate_dispatch_table, generate_protocol_list,
818         build_category_initializer, build_shared_structure_initializer,
819         generate_shared_structures, handle_impent,
820         generate_objc_image_info): Use build_int_cst.
821
822 2004-08-15  Ben Elliston  <bje@au.ibm.com>
823
824         * vec.h: Comment improvements.
825
826 2004-08-14  Roger Sayle  <roger@eyesopen.com>
827
828         * c-common.c (shorten_compare, pointer_int_sum,
829         c_common_truthvalue_conversion, boolean_increment): Replace calls
830         to build with calls to buildN.
831         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
832         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
833         gimplify_switch_stmt): Likewise.
834         * c-typeck.c (default_function_array_conversion,
835         build_component_ref, build_array_ref, build_function_call,
836         pointer_diff, build_unary_op, build_conditional_expr,
837         build_compound_expr, build_modify_expr, c_finish_goto_label,
838         c_finish_goto_ptr, c_finish_return, c_finish_loop,
839         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
840         build_binary_op): Likewise.
841
842 2004-08-15  Steven Bosscher  <stevenb@suse.de>
843
844         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
845
846 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
847
848         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
849         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
850         * fixinc/fixincl.x: Rebuilt.
851
852 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
853
854         * config/mips/mips-protos.h (mips_symbolic_constant_p)
855         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
856         (mips_small_data_pattern_p): Declare.
857         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
858         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
859         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
860         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
861         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
862         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
863         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
864         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
865         (pc_or_label_operand, call_insn_operand, move_operand)
866         (consttable_operand, symbolic_operand, general_symbolic_operand)
867         (global_got_operand, local_got_operand, stack_operand)
868         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
869         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
870         (mips_small_data_pattern_p): Replace previous small_data_pattern
871         predicate.  Turn into a bool () (rtx) function.
872         * config/mips/predicates.md: New file.
873         * config/mips/mips.md: Include it.  Use the target-independent
874         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
875         trap_comparison_operator and equality_op to equality_operator.
876         Replace uses of small_int with the equivalent const_arith_operand.
877         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
878         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
879         to fcc_reload_operand.
880         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
881
882 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
883
884         PR libstdc++/17005 partial fix.
885         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
886         except when generating ANSI/C89 code.
887
888 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
889
890         * c-common.c (shorten_compare): Use force_fit_type directly.
891
892 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
893             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
894             Dave Korn  <dk@artimi.com>
895
896         * doc/install.texi (Building): Avoid duplicate reference to GNU
897         make requirement.
898         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
899
900 2004-08-14  Richard Henderson  <rth@redhat.com>
901
902         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
903         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
904
905 2004-08-13  Richard Henderson  <rth@redhat.com>
906
907         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
908         for constant_call_address_operand.
909         (call_value_pop_1, call_value_1): Likewise.
910         (sibcall_value_1, call_value_1_rex64): Likewise.
911
912 2004-08-13  James E Wilson  <wilson@specifixinc.com>
913
914         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
915         Correct mode from SFmode to DFmode.
916
917 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
918
919         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
920         __cstring_object and __image_info sections with the no_dead_strip
921         attribute.
922
923 2004-08-13  Roger Sayle  <roger@eyesopen.com>
924             David Billinghurst  <David.Billinghurst@riotinto.com>
925
926         PR libgfortran/15930
927         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
928         * fixinc/fixincl.x: Regenerate.
929         * fixinc/tests/base/internal/math_core.h: New file.
930
931 2004-08-13  Richard Henderson  <rth@redhat.com>
932
933         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
934         (dbxout_function_end): Remove ifdefs for it.
935         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
936
937 2004-08-13  Richard Henderson  <rth@redhat.com>
938
939         * Makefile.in (insn-preds.o): Depend on TREE_H.
940         * genpreds.c (write_insn_preds_c): Include tree.h.
941         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
942         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
943         const48_operand, and_operand, or_operand, mode_width_operand,
944         mode_mask_operand, mul8_operand, const0_operand,
945         hard_fp_register_operand, hard_int_register_operand,
946         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
947         samegp_function_operand, direct_call_operand, small_symbolic_operand,
948         global_symbolic_operand, call_operand, symbolic_operand,
949         dtp16_symbolic_operand, dtp32_symbolic_operand,
950         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
951         gottp_symbolic_operand, alpha_comparison_operator,
952         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
953         signed_comparison_operator, alpha_fp_comparison_operator,
954         divmod_operator, fix_operator, aligned_memory_operand,
955         unaligned_memory_operand, reg_or_unaligned_mem_operand,
956         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
957         reg_no_subreg_operand, addition_operation): Move to predicates.md.
958         (reg_or_const_int_operand): Remove.  Replace all users with
959         reg_or_cint_operand.
960         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
961         (resolve_reload_operand): Split out of aligned_memory_operand.
962         * config/alpha/alpha-protos.h: Update for exports.
963         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
964         * config/alpha/alpha.md: Include predicates.md.
965         * config/alpha/predicates.md: New file.
966
967 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
968
969         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
970         fields with a pointer to the instruction definition.
971         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
972         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
973         (write_attr_case, write_const_num_delay_slots): Update accordingly.
974         (write_attr_case, write_const_num_delay_slots): Write the name of
975         an insn next to its case statement.
976         * genoutput.c (data): Add a filename field.
977         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
978         (output_insn_data): Print the location of each insn definition.
979         * genrecog.c (write_action): Print the name of an insn above
980         the statement that returns its code.
981
982 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
983
984         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
985         * config/libgloss.h: Likewise.
986         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
987         * c4x/c4x-modes.def: Likewise.
988         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
989         (c4x_rptb_nop_p): Likewise.
990         (c4x_rptb_valid_p): Likewise.
991         (c4x_rptb_insert): Likewise.
992         (c4x_address_conflict): Likewise.
993         * config/c4x/c4x.md: Likewise.
994         * config/frv/frv.md: Likewise.
995         * config/i386/athlon.md: Likewise.
996         * config/i386/i386.md: Likewise.
997         * config/i386/predicates.md: Likewise.
998         * config/ia64/ia64.c: Likewise.
999         * config/ia64/itanium1.md: Likewise.
1000         * config/ia64/itanium2.md: Likewise.
1001         * config/iq2000/iq2000.md: Likewise.
1002         * config/mcore/mcore.c: Likewise.
1003         * config/mips/mips.c: Likewise.
1004         * config/mips/r3900.h: Likewise.
1005         * config/mips/sb1.md: Likewise.
1006         * config/pa/milli64.S: Likewise.
1007         * config/pa/pa.c: Likewise.
1008         * config/pa/pa.h: Likewise.
1009         * config/rs6000/8540.md: Likewise.
1010
1011 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
1012
1013         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
1014
1015 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
1016
1017         * sh.md (cbranch define_delay) Use cond_delay_slot for
1018         non-anulled condition too.
1019
1020 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
1021
1022         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
1023         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
1024         any_parallel_operand, lmw_operation, stmw_operation,
1025         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
1026         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
1027         any_parallel_operand.
1028         (return_and_restore_fpregs_{si,di}): Same.
1029
1030 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
1031
1032         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
1033         if pred->singleton != PARALLEL, issue a warning and pretend it was.
1034         Also issue a warning for any predicate we don't know about.
1035
1036 2004-08-12  Richard Henderson  <rth@redhat.com>
1037
1038         * config/i386/i386.c (internal_label_prefix): Export.
1039         (internal_label_prefix_len, struct ix86_address,
1040         ix86_decompose_address, maybe_get_pool_constant,
1041         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
1042         memory_address_length): Export.
1043         (any_fp_register_operand, fp_register_operand,
1044         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
1045         x86_64_general_operand, x86_64_szext_general_operand,
1046         x86_64_nonmemory_operand, x86_64_movabs_operand,
1047         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
1048         x86_64_zext_immediate_operand, const_int_1_31_operand,
1049         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
1050         tls_symbolic_operand, global_dynamic_symbolic_operand,
1051         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
1052         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
1053         constant_call_address_operand, const0_operand, const1_operand,
1054         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
1055         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
1056         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
1057         general_no_elim_operand, nonmemory_no_elim_operand,
1058         index_register_operand, q_regs_operand, flags_reg_operand,
1059         non_q_regs_operand, zero_extended_scalar_load_operand,
1060         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
1061         ix86_comparison_operator, ix86_carry_flag_operator,
1062         fcmov_comparison_operator, promotable_binary_operator,
1063         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
1064         mult_operator, div_operator, arith_or_logical_operator,
1065         memory_displacement_operand, cmpsi_operand, long_memory_operand,
1066         aligned_operand): Move to predicates.md as define_predicates.
1067         (tls_symbolic_operand_1): Remove.
1068         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
1069         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
1070         (legitimize_address): Merge tls_symbolic_operand contents.
1071         (ix86_expand_move): Likewise.
1072         * config/i386/i386-protos.h: Update for exports.
1073         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
1074         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
1075         * config/i386/i386.md: Include predicates.md.
1076         * config/i386/predicates.md: New file.
1077
1078 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
1079
1080         PR c++/16924
1081         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
1082         SYMBOL_REF_DECL.
1083         (i386_pe_mark_dllimport): Likewise.
1084         (i386_pe_encode_section_info): Likewise, when overriding
1085         dllimport attribute.
1086
1087 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
1088
1089         * configure.ac: When testing for flex, nm, ar, and bison, check
1090         that they will actually be built.
1091         * configure: Regenerate.
1092
1093 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
1094
1095         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
1096         (MOVE_MAX_PIECES): Define.
1097
1098 2004-08-12  Devang patel  <dpatel@apple.com>
1099
1100         * dbxout.c (dbxout_begin_prologue): New function.
1101         (dbx_debug_hooks): Use new begin prologue hook.
1102         (dbxout_function_end): Emit N_ENSYM.
1103         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
1104
1105 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
1106
1107         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
1108         argument is float*.
1109
1110         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
1111         for vec_dss.
1112
1113         * doc/extend.texi (AltiVec builtins): Fix description for recent
1114         changes.  Update operation list to match current support.
1115
1116 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1117
1118         * config/s390/s390.c (struct s390_frame_layout): New struct as element
1119         of struct machine_function.
1120         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
1121         changed all uses.
1122         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
1123         changed all uses.
1124         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
1125         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
1126         (s390_frame_area, s390_register_info): New functions.
1127         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
1128         for base register.
1129         (s390_return_addr_rtx, s390_return_address_offset)
1130         (s390_va_start, s390_gimplify_va_arg)
1131         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
1132         layouts.
1133         (s390_frame_info): Functionality partly moved to s390_register_info.
1134         Made adaptions for new stack layout.
1135         (save_gprs, restore_gprs): Changed meaning of second parameter and
1136         adapted all callers.
1137
1138         * config/s390/s390.h (s390_backchain_string): New global variable.
1139         (MASK_BACKCHAIN): Removed definition.
1140         (TARGET_BACKCHAIN): Changed check.
1141         (TARGET_KERNEL_BACKCHAIN): New macro.
1142         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
1143         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
1144         "kernel-backchain".
1145         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
1146
1147         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
1148         as condition.  Adjusted for new stack layout.
1149
1150         * doc/invoke.texi: Added documentation for new option
1151         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
1152         "-mno-backchain".
1153
1154 2004-08-12  Paul Brook  <paul@codesourcery.com>
1155
1156         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
1157         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
1158
1159 2004-08-12  David Daney  <ddaney@avtrex.com>
1160
1161         * java/gcj.texi:  Add subsection on signal usage.
1162
1163 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
1164
1165         * expr.c (move_by_pieces): Set alignment for move to minimum of
1166         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
1167         alignment, but not less than the original alignment.
1168         (move_by_pieces_ninsns): Same.
1169         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
1170         (store_by_pieces_1): Same.
1171
1172 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
1173
1174         PR tree-optimization/16867
1175         * tree.c (is_global_var): New function.
1176         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
1177         Call is_global_var.
1178         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
1179         Update all users.
1180         (is_global_var): Declare.
1181         * tree-dfa.c (dump_variable): Display global and addressable
1182         attributes.
1183         (add_referenced_var): Clarify documentation when marking
1184         variables call-clobbered.
1185         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
1186         instead of needs_to_live_in_memory.
1187         (mark_call_clobbered): If the variable is a tag, mark it
1188         DECL_EXTERNAL.
1189         * tree-gimple.c (is_gimple_reg): Don't check for
1190         TREE_ADDRESSABLE.
1191         (is_gimple_non_addressable): Likewise.
1192         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
1193         needs to be marked call-clobbered.
1194         (setup_pointers_and_addressables): Call is_global_var instead
1195         of needs_to_live_in_memory.
1196         * tree-ssa-dce.c (need_to_preserve_store): Remove.
1197         Update all users with is_global_var.
1198         (mark_stmt_if_obviously_necessary): Fix processing of aliased
1199         stores.  Don't check the virtual definitions.  Rather, check
1200         whether the store is going into global memory.
1201         (find_obviously_necessary_stmts): Get the symbol from the PHI
1202         result.
1203         * tree-ssa-operands.c (get_call_expr_operands): Do not add
1204         clobbering may-defs if the call does not have side effects.
1205
1206 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
1207
1208         PR c++/16276
1209         * output.h (default_function_rodata_section,
1210         default_no_function_rodata_section): New prototypes.
1211         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
1212         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
1213         (TARGET_ASM_OUT): Add it.
1214         * varasm.c (default_function_rodata_section,
1215         default_no_function_rodata_section): New functions.
1216         * final.c (final_scan_insn): Call
1217         targetm.asm_out.function_rodata_section instead of
1218         readonly_data_section.
1219         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
1220         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1221         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1222         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1223         Likewise.
1224         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1225         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1226         Likewise.
1227         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
1228         Likewise.
1229         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1230         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
1231         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
1232
1233 2004-08-12  Paul Brook  <paul@codesourcery.com>
1234
1235         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
1236         frame info.
1237         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
1238         DWARF2_UNWIND_INFO.
1239
1240 2004-08-12  Ben Elliston  <bje@au.ibm.com>
1241
1242         PR target/16286
1243         * config/rs6000/altivec.h: Change vector to __vector throughout.
1244         (Except for the `vector' macro itself).
1245
1246 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
1247
1248         * genpreds.c: Add capability to generate predicate bodies as
1249         well as function prototypes.  Write function prototypes for
1250         the generic predicates too.
1251         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
1252         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
1253         (write_match_code, write_predicate_expr, write_one_predicate_function)
1254         (parse_option): New functions.
1255         (output_predicate_decls): Delete.
1256         (main): Read the machine description, process DEFINE_PREDICATE or
1257         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
1258         as appropriate.
1259
1260         * genrecog.c (struct decision_test): Replace index with
1261         struct pred_data pointer.
1262         (next_index): Remove, unused.
1263         (pred_table, preds, special_mode_pred_table): Delete.
1264         (compute_predicate_codes, process_define_predicate): New functions.
1265         (validate_pattern, add_to_sequence, write_switch): Update for
1266         new data structures.
1267         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
1268         Check both error_count and have_error.
1269
1270         * gensupport.c (in_fname, first_predicate): New globals.
1271         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
1272         (predicate_table, last_predicate, old_pred_table)
1273         (old_special_pred_table): New statics.
1274         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
1275         (add_predicate, init_predicate_table): New functions.
1276         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
1277         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
1278         it or max_include_len.  Call init_predicate_table.
1279         (read_rtx): Run the predicate queue after the attribute queue
1280         but before all the others.
1281         * gensupport.h (in_fname, struct pred_data, first_predicate)
1282         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
1283         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
1284         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
1285         * dummy-conditions.c: Don't include bconfig.h, system.h,
1286         coretypes.h, tm.h, or system.h.  Do include stddef.h.
1287         Duplicate declaration of struct c_test from gensupport.h.
1288
1289         * Makefile.in (OBJS-common): Add insn-preds.o.
1290         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
1291         (insn-preds.c, insn-preds.o): New rules.
1292         (s-preds): Also generate insn-preds.c.
1293         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
1294         Update dependencies.
1295         (print-rtl.o, print-rtl1.o): Correct dependencies.
1296
1297         * recog.h: Delete prototypes of predicate functions.
1298
1299         * doc/md.texi (Predicates): New section with complete
1300         documentation of operand/operator predicates.  Remove some
1301         incomplete documentation of predicates from other places.
1302         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
1303         PREDICATE_CODES; indicate that both are deprecated in favor
1304         of define_predicate/define_special_predicate.
1305
1306         * config/ia64/ia64.c: All predicate function definitions moved
1307         to ia64.md, except
1308         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
1309         (ia64_expand_load_address, ia64_expand_move):
1310         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
1311
1312         * config/ia64/ia64.md: All predicates now defined here.
1313         (symbolic_operand): Is now a special predicate.
1314
1315         * config/ia64/ia64.h: Declare ia64_section_threshold.
1316         (PREDICATE_CODES): Delete.
1317
1318 2004-08-12  Richard Henderson  <rth@redhat.com>
1319
1320         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
1321         * c-semantics.c (add_stmt): Set it.
1322         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
1323         before instantiating a variable sized type.
1324
1325 2004-08-12  Richard Henderson  <rth@redhat.com>
1326
1327         * stor-layout.c (round_up, round_down): Move ...
1328         * fold-const.c (round_up, round_down): ... here.  Use
1329         multiple_of_p to avoid any arithmetic at all.
1330
1331 2004-08-12  Richard Henderson  <rth@redhat.com>
1332
1333         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
1334         (gimplify_init_ctor_preeval_1): New.
1335         (gimplify_init_ctor_preeval): New.
1336         (gimplify_init_ctor_eval): New.
1337         (gimplify_init_constructor): Use them.  Always gimplify the LHS
1338         object first.
1339
1340 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
1341
1342         (This patch is part of merge of objc-improvements-branch
1343         into mainline.)
1344
1345         * doc/frontends.texi: Mention Objective-C++ in addition to
1346         Objective-C.
1347         * doc/install.texi: Add 'obj-c++' to list of configurable
1348         languages.
1349         * doc/invoke.texi: Rename Objective-C option headings to
1350         indicate they also apply to Objective-C++.  List file
1351         extensions for Objective-C++ sources.  Mention that
1352         ObjC and ObjC++ compilations may also use C and C++ options,
1353         respectively.  Point users to doc/standards.texi for
1354         further info on ObjC and ObjC++.
1355         * doc/sourcebuild.texi: Mention the objcp/ directory and
1356         the Objective-C++ sources it contains.
1357         * doc/standards.texi: Update link to Apple ObjC site;
1358         add link to gcc readings.html WWW doc.
1359
1360 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
1361
1362         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
1363         and 2004-07-14 changes.
1364
1365 2004-08-12  Paul Brook  <paul@codesourcery.com>
1366
1367         * doc/invoke.texi: Fix typo.
1368
1369 2004-08-11 Devang Patel  <dpatel@apple.com>
1370
1371         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
1372         and -no_dead_strip_inits_and_terms.
1373         (LINK_SPEC): Same.
1374         * doc/invoke.texi (Darwin Options): Document -dead_strip and
1375         -no_dead_strip_inits_and_terms.
1376
1377 2004-08-11  Paul Brook  <paul@codesourcery.com>
1378
1379         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
1380         (arm_load_pic_register): ... to this.
1381         * config/arm/arm.c (arm_finalize_pic): Rename ...
1382         (arm_load_pic_register): ... to this.  Always output insns at the
1383         current location.  Load via low reg in thumb mode.
1384         (arm_expand_prologue): Call arm_load_pic_register.
1385         (thumb_expand_prologue): Ditto.
1386         * config/arm/arm.h (FINALIZE_PIC): Remove.
1387         * config/arm/arm.md (builtin_setjmp_receiver): Call
1388         arm_load_pic_register.
1389
1390 2004-08-11  Paul Brook  <paul@codesourcery.com>
1391
1392         * arm.c (thumb_force_lr_save): Add prototype.
1393         (thumb_compute_save_reg_mask): New function.
1394         (thumb_find_work_register): New function.
1395         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
1396         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
1397         Don't clobber r3 when removing pretend args.
1398         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
1399         (thumb_output_function_prologue): Use new functions.
1400         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
1401         * arm.h (THUMB_REG_PUSHED_P): Remove.
1402
1403 2004-08-11  James E Wilson  <wilson@specifixinc.com>
1404
1405         PR rtl-optimization/16490
1406         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
1407         global_live_at_end for new basic block if already set for other blocks.
1408
1409 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
1410
1411         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
1412
1413         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
1414         (mfcr rlwinm rlwinm patterns): Set length to 12.
1415
1416 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
1417
1418         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
1419         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
1420         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
1421         (start_ssa_stmt_operands): Delete.
1422         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
1423         struct stmt_operands_d.
1424         (build_ssa_operands): New extern entry point.
1425         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
1426         building code, replace with create_ssa_artficial_load_stmt().
1427         * tree-ssa-operands.c (struct voperands_d): Delete.
1428         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
1429         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
1430         (free_uses, free_defs, free_vuses, free_v_may_defs,
1431         free_v_must_defs): Remove dealloc parameter.
1432         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
1433         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
1434         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
1435         vector comparisons, ssa_name reuse, and allocations here.
1436         (verify_start_operands): Delete.
1437         (finalize_ssa_stmt_operands): Set new operands by calling finalize
1438         routines.
1439         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
1440         (append_def, append_usei): Simplify to simple accumulation.
1441         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
1442         duplicates and simple accumulation.
1443         (free_ssa_operands): Free vectors in a stmt_operand structure.
1444         (build_ssa_operands): New. Create a new stmt_operand structure from
1445         a stmt and an old set of stmt_operands.
1446         (get_stmt_operands): Simplify and call build_ssa_operands.
1447         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
1448         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
1449         add_call_read_ops): Don't pass prev_vops around anymore.
1450         (note_addressable): Return if no stmt annotation.
1451         (copy_virtual_operands): Access v_may_def operands through a struct.
1452         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
1453         hash tables without treating the stmt as a real stmt.
1454         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
1455         v_may_def def and use through a struct instead of 2 array elements.
1456         (struct v_may_def_optype_d): Use v_may_def_operand_type.
1457         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
1458
1459 2004-08-11  Nick Clifton  <nickc@redhat.com>
1460
1461         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
1462         this funciton's behaviour.  Return true when the current function
1463         has a section attribute and -mlong-calls is in effect.
1464         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
1465         short-call marker when -mlong-calls is in effect and the function
1466         has a section attribute.
1467
1468 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
1469
1470         * stmt.c (expand_return): If asked to return the RESULT_DECL,
1471         just call expand_value_return on result_rtl.
1472
1473 2004-08-10  Richard Henderson  <rth@redhat.com>
1474
1475         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
1476         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
1477         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
1478         (add_location_or_const_value_attribute): ... not here.  Use
1479         loc_descriptor_from_tree if possible.
1480         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
1481         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
1482         values specially.
1483         (loc_descriptor_from_tree): New.  Update callers.
1484         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
1485         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
1486         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
1487         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
1488         and BUILT_IN_STACK_RESTORE.
1489         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
1490         * stmt.c (expand_stack_alloc): Remove.
1491         * tree-mudflap.c (mx_register_decls): Don't look for
1492         BUILT_IN_STACK_ALLOC.
1493         * tree-nested.c (convert_local_reference): Likewise.
1494         * tree.h (DECL_VALUE_EXPR): New.
1495
1496 2004-08-10  Richard Henderson  <rth@redhat.com>
1497
1498         * stor-layout.c (round_up): Check for 0/1 before dividing.
1499         (round_down): Likewise.
1500
1501         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
1502
1503 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
1504
1505         * config.gcc (arm*-*-eabi*): New target.
1506         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
1507         (TARGET_LIB_INT_CMP_BIASED): Likewise.
1508         * expmed.c (expand_divmod): Try a two-valued divmod function as a
1509         last resort.
1510         * gthr.h: Remove bogus tokens at end of #pragma.
1511         * optabs.c (expand_twoval_binop_libfunc): New function.
1512         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
1513         (prepare_float_lib_cmp): Try reversing the condition.
1514         (debug_optab_libfuncs): New function.
1515         * optabs.h (expand_twoval_binop_libfunc): Declare.
1516         * config/arm/arm.c (arm_init_libfuncs): New function.
1517         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
1518         (TARGET_INIT_LIBFUNCS): Define it.
1519         * config/arm/arm.h (TARGET_BPABI): New macro.
1520         * config/arm/arm-protos.h
1521         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
1522         * config/arm/bpabi.S: New file.
1523         * config/arm/bpabi.c: Likewise.
1524         * config/arm/bpabi.h: Likewise.
1525         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
1526         (__aeabi_drsub): Likewise.
1527         (__aeabi_dsub): Likewise.
1528         (__aeabi_dadd): Likewise.
1529         (__aeabi_ui2d): Likewise.
1530         (__aeabi_i2d): Likewise.
1531         (__aeabi_f2d): Likewise.
1532         (__aeabi_dmul): Likewise.
1533         (__aeabi_ddiv): Likewise.
1534         (__aeabi_cdrcmple): Likewise.
1535         (__aeabi_cdcmpeq): Likewise.
1536         (__aeabi_cdcmple): Likewise.
1537         (__aeabi_dcmpeq): Likewise.
1538         (__aeabi_dcmplt): Likewise.
1539         (__aeabi_dcmple): Likewise.
1540         (__aeabi_dcmpge): Likewise.
1541         (__aeabi_dcmpgt): Likewise.
1542         (__aeabi_dcmpun): Likewise.
1543         (__aeabi_d2iz): Likewise.
1544         (__aeabi_d2uiz): Likewise.
1545         (__aeabi_d2f): Likewise.
1546         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
1547         (__aeabi_frsub): Likewise.
1548         (__aeabi_fsub): Likewise.
1549         (__aeabi_fadd): Likewise.
1550         (__aeabi_ui2f): Likewise.
1551         (__aeabi_i2f): Likewise.
1552         (__aeabi_fmul): Likewise.
1553         (__aeabi_fdiv): Likewise.
1554         (__aeabi_cfrcmple): Likewise.
1555         (__aeabi_cfcmpeq): Likewise.
1556         (__aeabi_cfcmple): Likewise.
1557         (__aeabi_fcmpeq): Likewise.
1558         (__aeabi_fcmplt): Likewise.
1559         (__aeabi_fcmple): Likewise.
1560         (__aeabi_fcmpge): Likewise.
1561         (__aeabi_fcmpgt): Likewise.
1562         (__aeabi_fcmpun): Likewise.
1563         (__aeabi_f2iz): Likewise.
1564         (__aeabi_f2uiz): Likewise.
1565         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
1566         (__aeabi_uidivmod): New function or alias.
1567         (__aeabi_idivmod): Likewise.
1568         (__aeabi_idiv0): Likewise.
1569         (__aeabi_ldiv0): Likewise.
1570         (__aeabi_llsr): Likewise.
1571         (__aeabi_lasr): Likewise.
1572         (__aeabi_llsl): Likewise.
1573         (bpabi.S): Include it.
1574         * config/arm/libgcc-bpabi.ver: New file.
1575         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
1576         (LINK_SPEC): Remove.
1577         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
1578         __aeabi_ulcmp.
1579         * config/arm/t-bpabi: New file.
1580         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
1581         (TARGET_LIB_INT_CMP_BIASED): Likewise.
1582
1583 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
1584
1585         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
1586         * config/rs6000/rs6000.md (clrmemsi): New pattern.
1587         * config/rs6000/rs6000.c (expand_block_clear): New function.
1588         (expand_block_move): Convert alignment to bits.  Use SImode and
1589         HImode for unaligned addresses if not STRICT_ALIGNMENT.
1590
1591 2004-08-10  Caroline Tice  <ctice@apple.com>
1592
1593         * varasm.c (unlikely_section_label): New global variable.
1594         (unlikely_text_section_name): New global variable.
1595         (text_section):  Remove alignment statement.
1596         (unlikely_text_section): Remove alignment statement; use
1597         unlikely_section_label rather than hard-coded string.
1598         (assemble_start_function): Initialize unlikely_section_label and
1599         unlikely_text_section_name;  make sure cold section is properly
1600         aligned at start of function; output unlikely_section_label if
1601         appropriate.
1602
1603 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
1604
1605         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
1606         * config/s390/s390.c (s390_canonicalize_comparison): New function.
1607         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
1608         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
1609         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
1610         ("*tmqi_mem"): Remove SUBREG from pattern.
1611         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
1612         ("*andsi3_cconly"): Likewise.
1613
1614 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
1615
1616         PR target/16909
1617         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
1618
1619 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
1620
1621         * doc/sourcebuild.texi (compat testing): Document available test
1622         framework commands.  Use the preferred spelling of DejaGnu.
1623
1624 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
1625
1626         * lambda.h: Add matrix type, and prototypes for remainder of
1627         matrix and vector functions.
1628         (lambda_vector_mult_const): New function.
1629         (lambda_vector_negate): Ditto.
1630         (lambda_vector_add): Ditto.
1631         (lambda_vector_add_mc): Ditto.
1632         (lambda_vector_copy): Ditto.
1633         (lambda_vector_zerop): Ditto.
1634         (lambda_vector_equal): Ditto.
1635         (lambda_vector_min_nz): Ditto.
1636         (lambda_vector_first_nz): Ditto.
1637         (lambda_vector_matrix_mult): Ditto.
1638         * lambda-mat.c: New file.
1639         * Makefile.in (lambda-mat.o): New.
1640
1641 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
1642
1643         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
1644         after linking stmt into the program.
1645         (bsi_remove): Don't call modify_stmt.
1646         * tree-complex.c (update_complex_assignment,
1647         expand_complex_comparison): Call modify_stmt after changing the stmt.
1648         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
1649         removing the stmt.
1650         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
1651         the stmt, and only if needed.
1652         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
1653         expression.
1654         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
1655         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
1656         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
1657         (eliminate_redundant_computations): Don't pass an annotation. Call
1658         modify_stmt rather than setting the annotation directly.
1659         (record_equivalences_from_stmt): Remove unused local 'j'.
1660         (cprop_operand): Take a stmt rather than an annotation as a parameter.
1661         Call modify_stmt.
1662         (cprop_into_stmt): Pass stmt rather than annotation.
1663         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
1664         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
1665         modify_stmt.
1666         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
1667
1668 2004-08-10  Jason Merrill  <jason@redhat.com>
1669
1670         PR middle-end/16948
1671         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
1672         the RESULT_DECL.
1673
1674 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
1675
1676         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
1677         hash function.
1678
1679 2004-08-10  Roger Sayle  <roger@eyesopen.com>
1680
1681         * config/mips/mips.md: New reciprocal square root patterns that
1682         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
1683
1684 2004-08-10  Paul Brook  <paul@codesourcery.com>
1685
1686         * config/arm/arm-protos.h (arm_set_return_address,
1687         thumb_set_return_address): Add prototypes.
1688         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
1689         * config/arm/arm.c (arm_compute_func_type,
1690         use_return_insn, arm_compute_save_reg0_reg12_mask,
1691         arm_compute_save_reg_mask, arm_output_function_prologue,
1692         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
1693         current_function_calls_eh_return.
1694         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
1695         old eh code.
1696         (arm_set_return_address, thumb_set_return_address): New functions.
1697         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
1698         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
1699         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
1700         (epilogue): Use the stackadj register.
1701         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
1702
1703 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
1704
1705         PR target/3144
1706         * expr.c (move_by_pieces_ninsns): Add max_size argument.
1707         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
1708         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
1709         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
1710         but using MOVE_RATIO.
1711         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
1712         (can_store_by_pieces): Change max_size type to unsigned int.
1713         (store_by_pieces_1): Likewise.  Pass max_size to
1714         move_by_pieces_ninsns.
1715         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
1716         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
1717         to move_by_pieces_ninsns.
1718         (STORE_BY_PIECES_P): Define.
1719         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
1720         to move_by_pieces_ninsns.
1721         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
1722
1723         * config/i386/i386.h (CLEAR_RATIO): Define.
1724
1725 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1726
1727         * expr.c (expand_expr_real_1): Add back code that was not dead.
1728
1729 2004-08-09  Andrew Pinski  <apinski@apple.com>
1730
1731         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
1732         which is found to be compatible before returning the aliasing set.
1733
1734 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
1735
1736         * ggc-zone.c (struct alloc_zone): Add statistics counters.
1737         (always_collect): New flag.
1738         (ggc_alloc_zone_1): Update statistics support.  Don't include
1739         overhead in allocated counter.
1740         (sweep_pages): Update allocated counter for large pages.  Don'y
1741         include overhead.
1742         (ggc_collect_1): Always collect.
1743         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
1744         whether to collect.
1745         (SCALE, LABEL): New macros.
1746         (ggc_print_statistics): Add statistics support.
1747
1748 2004-08-09  Roger Sayle  <roger@eyesopen.com>
1749
1750         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
1751         (init_expmed): Fix potential overrun problem with "all.reg".
1752         (expand_sdiv2_pow2): Add an alternate implementation for signed
1753         division, if the target provides a suitable conditional move insn.
1754
1755 2004-08-09  Paul Brook  <paul@codesourcery.com>
1756         Richard Henderson  <rth@redhat.com>
1757
1758         * unwind-dw2.c (uw_install_context_1): Update target saved stack
1759         pointer.
1760
1761 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
1762
1763         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
1764         Check DATA limit only if there's no AS limit.  Ignore insanely
1765         low DATA limits.
1766         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
1767         but take care that the AS limit isn't overrun.
1768         * doc/invoke.texi: Update documentation of min-heapsize parameter.
1769
1770 2004-08-09  Jeff Law  <law@redhat.com>
1771
1772         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
1773         (tree-ssa-threadupdate.o): Add dependencies.
1774         * tree-ssa-threadupdate.c: New file.
1775         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
1776         (rewrite_vars_out_of_ssa): Remove prototype.
1777         (cleanup_tree_cfg): Returns a bool.
1778         * tree.h (thread_through_all_blocks): Prototype.
1779         * tree-outof-ssa.c  (SSANORM_*): Move into here.
1780         (remove_ssa_form): Now static.
1781         (rewrite_vars_out_of_ssa): Kill.
1782         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
1783         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
1784         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
1785         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
1786         anything was changed.
1787         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
1788         from the PHI's annotation rather than the edge associated with
1789         the new argument.
1790         * tree-ssa-dom.c (redirection_edges): Kill.
1791         (redirect_edges_and_update_ssa_graph): Kill.
1792         (tree_ssa_dominator_optimize): Do not reset forwardable flag
1793         for blocks anymore.  Do not initialize redirection_edges.
1794         Call thread_through_all_blocks.  Simplify code for cleanup
1795         of the CFG and iterating.  No longer call cleanup_tree_cfg
1796         outside the iteration loop.
1797         (thread_across_edge): No longer mess with forwardable blocks.
1798
1799 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
1800
1801         * explow.c (memory_address): Use memory_address_p.
1802         * recog.c (general_operand): Likewise.
1803         * regrename.c: No need to define REG_OK_STRICT.
1804
1805 2004-08-09  Steven Bosscher  <stevenb@suse.de>
1806
1807         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
1808         New timers.
1809         * gcse.c: Include timevar.h.
1810         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
1811         and global_copy_prop_count.
1812         (local_const_prop_count, local_copy_prop_count): New static globals.
1813         (gcse_main): Set the right timevar for each pass.
1814         (cprop_jump): Increment global_const_prop_count when a constant is
1815         propagated.  Add "GLOBAL" to dump output.
1816         (cprop_insn): Increment global_const_prop_count when a constant is
1817         propagated, or global_copy_prop_count when a copy is propagated.
1818         (do_local_cprop): Likewise for local_const_prop_count and
1819         local_copy_prop_count.
1820         (one_cprop_pass): Initialize const/cprop counters to zero.
1821         Print out results of local and global const/cprop separately.
1822         (bypass_block): Break over-length line.
1823         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
1824         for bb-reorder.o and tracer.o.
1825
1826 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1827
1828         * Makefile.in (GTFILES): Remove stmt.c
1829         (stmt.o): Do not depend on gt-stmt.h.
1830         * emit-rtl.c (emit_line_note): Do not call
1831         set_file_and_line_for_stmt.
1832         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
1833         do everything.
1834         * function.c (free_after_parsing): Do not free STMT field.
1835         (allocate_struct_function): Do not call init_stmt_for_function.
1836         (assign_stack_temp_for_type): Do not accept values of keep
1837         other than 0 or 1.
1838         (init_temp_slots): Do not initialize removed variables.
1839         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
1840         and X_VAR_TEMP_SLOT_LEVEL fields.
1841         * rtl.h (set_file_and_line_for_stmt): Remove.
1842         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
1843         struct stmt_status, cond_stack, case_stack, nesting_stack,
1844         nesting_depth, emit_locus, set_file_and_line_for_stmt,
1845         same_case_target_p, init_stmt_for_function, emit_nop,
1846         expand_start_cond, expand_start_elseif, expand_start_else,
1847         expand_elseif, expand_end_cond): Remove.
1848         (preserve_subexpressions_p): Remove references to CFUN->STMT.
1849         (expand_start_case, expand_end_case_type): Remove, merge into...
1850         (expand_case): ... this one, including other bits from
1851         expand_expr_real_1.  Inline same_case_target_p.  Turn members
1852         of CASE_STACK into local variables.
1853         (emit_case_bit_tests): Inline same_case_target_p.
1854         (add_case_node): Add HEAD argument, return new head of the list,
1855         do not handle default label here.
1856         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
1857         expand_start_elseif, current_nesting_level, expand_start_case,
1858         expand_end_case_type, expand_end_case, add_case_node,
1859         init_stmt_for_function, expand_elseif): Remove prototypes.
1860         (expand_case): Add prototype.
1861
1862 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1863
1864         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
1865
1866 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
1867
1868         * expr.c (var_rtx): Remove.
1869         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
1870         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
1871         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
1872         Abort.
1873         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
1874         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
1875         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
1876
1877 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
1878         Ayal Zaks <zaks@il.ibm.com>
1879
1880         * common.opt (freschedule-modulo-scheduled-loops): New flag.
1881         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
1882         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
1883         when -freschedule-modulo-scheduled-loops flag is not specified.
1884         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
1885         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
1886         More accurate placing of insn in row of partial schedule.
1887         (ps_insn_find_column): New function.
1888         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
1889         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
1890         (schedule_region): Use sched_is_disabled_for_current_region_p.
1891         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
1892
1893 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
1894
1895         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
1896         change.
1897
1898 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
1899
1900         * config/i386/i386.c (ix86_expand_clrmem): Properly call
1901         gen_strset for 64bit target.
1902
1903 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
1904
1905         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
1906
1907 2004-08-07  Jason Merrill  <jason@redhat.com>
1908
1909         Make return in memory explicit.
1910         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
1911         (assign_parm_find_data_types): Remove code for old front end
1912         invisible reference handling.
1913         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
1914         (expand_function_end): Likewise.
1915         * gimplify.c (gimplify_return_expr): Handle a dereferenced
1916         RESULT_DECL.
1917         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
1918         (declare_return_variable): Handle DECL_BY_REFERENCE.
1919         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
1920         (cp_genericize_r): Use convert_from_reference.
1921         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
1922         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
1923
1924         * c-common.c (c_warn_unused_result): Check TREE_USED before
1925         warning about a CALL_EXPR with an unused value.
1926
1927 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
1928
1929         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
1930         to the compiler.  Use -fshort-wchar by default.
1931
1932 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
1933
1934         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
1935         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
1936         threshhold.
1937         * doc/invoke.texi (param): Document min-crossjump-insns.
1938
1939 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
1940
1941         PR c/13282
1942         * c.opt (Wmissing-field-initializers): New option.
1943         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
1944         * c-typeck.c (pop_init_level): Guard the missing field warning with
1945         warn_missing_field_initializers rather than extra_warnings.
1946         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
1947         some of the explanation from...
1948         (-Wextra): ...here.  Say that the missing field warning can be
1949         seperately controlled by -Wmissing-field-initializers.
1950
1951 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
1952
1953         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
1954         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
1955         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
1956         * tree.def (ENTRY_VALUE_EXPR): Remove.
1957
1958 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
1959
1960         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
1961         the places where it is actually needed.  Don't use repz; stosb
1962         for -Os with sufficiently small constant sizes.
1963         For sufficiently small repz; stos{l,q} repeat counts use a sequence
1964         of stos{l,q} instructions instead.
1965
1966 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1967
1968         PR tree-optimization/16807
1969         * loop-iv.c (dump_iv_info): Dump invariants correctly.
1970         (iv_subreg, iv_extend): Express value of invariant purely in
1971         base field.
1972
1973 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
1974
1975         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
1976         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
1977
1978 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
1979
1980         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
1981         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
1982         pre_dec_operand.
1983         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
1984         pattern until reload is finished to allow better code generation
1985         and split them completely into separate instrunctions.
1986         (*andsi3_split): New pattern.
1987
1988 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
1989
1990         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
1991         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
1992         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
1993         * tree.h (handle_dll_attribute): Declare.  Test
1994         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
1995         * c-common.h (c_determine_visibility): Declare.
1996         * c-common.c (c_determine_visibility): New function.
1997         * c-decl.c (finish_decl): Use it.
1998         (finish_function): Likewise.
1999         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
2000         zero, by default.  Use #if, not #ifdef, to test it.
2001         * config/arm/arm.c (arm_attribute_table): Use
2002         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
2003         #if.
2004         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
2005         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2006         to 1.
2007         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
2008         * config/i386/i386.c (ix86_attribute_table): Use
2009         handle_dll_attribute for dllimport/dllexport.  Test
2010         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
2011         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
2012         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2013         it to 1.
2014         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
2015         with #if.
2016         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
2017         it to 1.
2018         * doc/extend.texi (dllexport): Clarify and correct documentation.
2019         (dllimport): Likewise.
2020         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
2021         handle_dll_attribute.
2022
2023 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2024
2025         * tree-ssa-loop-manip.c: New file.
2026         * Makefile.in (tree-ssa-loop-manip.o): Add.
2027         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
2028         Declare.
2029         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
2030         form.
2031         (tree_ssa_loop_done): Verify loop closed ssa form.
2032         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
2033
2034 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2035
2036         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
2037         pa_asm_output_aligned_local): New functions.
2038         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
2039         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
2040         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
2041         pa_asm_output_aligned_common.
2042         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2043         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
2044         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
2045         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2046         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
2047         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
2048         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
2049         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
2050         common data.
2051
2052 2004-08-05  Andrew Pinski  <apinski@apple.com>
2053
2054         * objc/objc-act.c (build_objc_string_object): Mark the address
2055         expression as constant.
2056
2057 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
2058
2059         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
2060         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
2061         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
2062
2063 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2064
2065         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
2066         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
2067         out, and associated obsolete comments.
2068
2069 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
2070
2071         * tree.h (force_fit_type): Return a tree, take three flags.
2072         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
2073         TREE_CONSTANT_OVERFLOW here.
2074         (int_const_binop, const_binop): Adjust.
2075         (size_int_type): Do sign extension here.
2076         (fold_convert_const, optimize_bit_field_compare,
2077         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
2078         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
2079         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
2080
2081 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2082
2083         PR tree-optimization/16864
2084         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
2085         for ssa names without default_def.
2086
2087 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
2088
2089         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
2090         frame pointer, restore eax with an ebp-relative address.
2091
2092 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
2093
2094         PR 14516
2095         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
2096         * c-common.h (make_rtl_for_local_static): Delete.
2097         * c-decl.c (shadow_tag_warned): Clean up comment.
2098         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
2099         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
2100         * c-semantics.c (make_rtl_for_local_static): Delete.
2101         * expr.c (init_block_move_fn): Use set_user_assembler_name.
2102         (init_block_clear_fn): Likewise.
2103         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
2104         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
2105         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
2106         * tree.h (make_decl_rtl): Remove second parameter.
2107         (set_user_assembler_name): New.
2108         * varasm.c (set_user_assembler_name): New.
2109         (make_decl_rtl): Remove second parameter.  Update callers in many
2110         files.
2111
2112 2004-08-05  Adam Nemet  <anemet@lnxw.com>
2113
2114         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
2115         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
2116         to LynxOS 4.0.
2117         * gthr-lynx.h: New file.
2118         * config/lynx-ng.h: Remove file.
2119         * config/lynx.h: Update to LynxOS 4.0.
2120         * config/t-lynx: New file.
2121         * config/i386/lynx-ng.h: Remove file.
2122         * config/i386/lynx.h: Update to LynxOS 4.0.
2123         * config/rs6000/lynxbase.h: Remove file.
2124         * config/rs6000/lynx.h: Update to LynxOS 4.0.
2125         * config/rs6000/t-lynx: New file.
2126         * doc/install.texi (Options specification): Remove reference to
2127         LynxOS from systems where --with-gnu-as makes a difference.
2128
2129 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2130
2131         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
2132         __UINTMAX_TYPE__.
2133         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
2134         __INTMAX_MAX__.
2135         (c_cpp_builtins): Call it.
2136         * doc/cpp.texi: Update.
2137
2138 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
2139
2140         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
2141         cost.
2142
2143 2004-08-04  Jan Hubicka  <jh@suse.cz>
2144
2145         * basic-block.h (profile_staus): New global variable.
2146         * cfg.c (profile_status): Declare.
2147         (check_bb_profile): Break out from ....; use profile_status
2148         (dump_flow_info): ... here.
2149         * cfgbuild.c (find_basic_blocks): Set profile_status.
2150         * cfgexpand.c (tree_expand_cfg): Likewise.
2151         * predict.c (estimate_probability): Likewise.
2152         * profile.c (branch_prob): Likewise.
2153         * tree-cfg.c (build_tree_cfg): Likewise.
2154         (dump_function_to_file): Use check_bb_profile.
2155         * tree-pretty-print (dump_bb_header): Likewise.
2156         * tree-profile.c (do_tree_profiling): Cleanup.
2157
2158 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
2159
2160         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
2161         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
2162         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
2163         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
2164         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
2165         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
2166         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
2167         (ggc-none.o, errors.o): Move rule to generators section;
2168         correct dependencies.
2169         (min-insn-modes.o): Move rule to generators section; remove
2170         unnecessary explicit command; correct dependencies.
2171         (print-rtl.o, print-rtl1.o): Correct dependencies.
2172         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
2173         (mostlyclean): Update.
2174
2175         * errors.c: Include bconfig.h not config.h.  Correct comment.
2176         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
2177         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
2178         * print-rtl.c: Don't include tm_p.h.
2179
2180         * rtl.h: Move forward-decl of struct function down where it's
2181         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
2182         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
2183
2184 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2185             Jeff Law  <law@redhat.com>
2186
2187         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
2188         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
2189         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
2190         manipulate the duplicated ssa names.
2191         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
2192         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
2193         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
2194         New functions.
2195         (release_ssa_name): Do not release ssa names that may have multiple
2196         definitions.
2197         * tree.h (release_ssa_name_force, mark_for_rewrite,
2198         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
2199         marked_ssa_names): Declare.
2200         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
2201         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
2202         Update call to rewrite_ssa_into_ssa.
2203
2204 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
2205
2206         * defaults.h (TARGET_DECLSPEC): New macro.
2207         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
2208         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
2209         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
2210         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
2211         __declspec support.
2212         (TARGET_DECLSPEC): Define.
2213         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
2214         __declspec support.
2215         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
2216         __declspec support.
2217         (TARGET_DECLSPEC): Define.
2218         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
2219         __declspec support.
2220         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
2221         support.
2222         * doc/tm.texi (TARGET_DECLSPEC): Document.
2223
2224         * doc/extend.texi: Fix typo in comment.
2225
2226 2004-08-04  Paul Brook  <paul@codesourcery.com>
2227
2228         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
2229         (TARGET_CXX): Use it.
2230         * target.h (struct gcc_target): Add cdtor_returns_this.
2231         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
2232         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
2233         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
2234
2235 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
2236
2237         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
2238         low/high pair. Do range checking directly.
2239         (interpret_integer): Adjust.
2240
2241 2004-08-04  Nick Clifton  <nickc@redhat.com>
2242
2243         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
2244         GCC ABI.
2245         * doc/invoke.texi: Document this new switch and also the -mrenesas
2246         switch.
2247
2248 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
2249
2250         * cfglayout.c (insn_locators_initialize): Update the current
2251         location before initializing a location.
2252
2253 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2254
2255         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
2256         (dbxout_function_end): Return after emitting the "Lscope" symbol
2257         under the same conditions that this function formerly wasn't called.
2258         Add explanatory comments.
2259
2260         PR 14860
2261         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
2262         on the new decl.
2263
2264         PR 13956
2265         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
2266         functions, broken out of dbxout_block.
2267         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
2268         stabs too, if it contains symbols.  Use the begin_label and
2269         the Lscope label (emitted by dbxout_function_end) for the
2270         range of this block.
2271
2272 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
2273
2274         * doc/install.texi: Update autoconf version requirements.
2275
2276 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2277
2278         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
2279         * recog.c (general_operand, immediate_operand, nonmemory_operand)
2280         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
2281         * regclass.c (record_reg_classes): Likewise.
2282         * reload.c (find_reloads): Likewise.
2283         * reload1.c (reload): Likewise.
2284
2285 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
2286
2287         * gensupport.c (init_md_reader_args_cb): Renamed from
2288         init_md_reader_args.  Add third option, callback function for
2289         parsing program-specific options.  Add diagnosis of incorrect
2290         number of input files.
2291         (init_md_reader): Fold into init_md_reader_args_cb.
2292         (init_md_reader_args): Now a thin wrapper around
2293         init_md_reader_args_cb.
2294         * gensupport.h: Update prototypes.
2295
2296         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
2297         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
2298         * genrecog.c: No need to diagnose lack of an input file;
2299         init_md_reader_args will handle it.
2300         * genconditions.c: Likewise, and use init_md_reader_args.
2301         * genconstants.c: Likewise, and no need to call read_md_rtx.
2302
2303 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2304
2305         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
2306         declarations.
2307
2308 2004-08-03  Mike Stump  <mrs@apple.com>
2309
2310         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
2311         for frameworks.
2312         * doc/invoke.texi (Darwin Options): Update to reflect above.
2313
2314 2004-08-03  Roger Sayle  <roger@eyesopen.com>
2315
2316         PR middle-end/16790
2317         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
2318         truncations, not just global truncations.
2319
2320 2004-08-03  Andrew Pinski  <apinski@apple.com>
2321
2322         PR bootstrap/16865
2323         * loop-iv.c (simplify_using_assignment): Initialize lhs.
2324
2325 2004-08-03  Paul Brook  <paul@codesourcery.com>
2326
2327         * gcc/doc/install.texi: Document MPFR requirement.
2328
2329 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
2330
2331         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
2332         and mmap() explicitly instead of relying on preset autoconf cache
2333         variables.
2334         * configure: Regenerate.
2335
2336 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
2337
2338         PR target/16570
2339         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
2340         to tmake_file.
2341         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
2342         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
2343         to tmake_file.
2344
2345         * config/i386/t-gmm_malloc: New file.
2346         * config/i386/t-pmm_malloc: Likewise.
2347
2348         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
2349
2350 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
2351             Tanguy Fautrà <tfautre@pandora.be>
2352
2353         * config/i386/pmm_malloc.h: New file.
2354
2355 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
2356
2357         * config/i386/gmm_malloc.h: New file.
2358
2359 2004-08-03  Dale Johannesen  <dalej@apple.com>
2360
2361         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
2362         * c-common.c: Include opts.h.
2363         (c_common_get_alias_set): Fix check for a single input file.
2364         * toplev.c: Remove current_file_decl.
2365         * tree.h: Ditto.
2366
2367 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
2368
2369         * config.gcc (arm*-*-symbianelf*): New target.
2370         * config/arm/symbian.h: New file.
2371
2372         * gthr-gnat.c: Add visibility #pragmas.
2373         * gthr-gnat.h : Likewise.
2374         * gthr.h: Likewise.
2375         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
2376         (__ffsDI2): Likewise.
2377         (__clzSI2): Likewise.
2378         (__ctzSI2): Likewise.
2379         (__ctzDI2): Likewise.
2380         (__popcountSI2): Likewise.
2381         (__popcountDI2): Likewise.
2382         (__paritySI2): Likewise.
2383         (__parityDI2): Likewise.
2384         * libgcc2.h: Add visibility #pragmas.
2385         (__clzDI2): Add prototype.
2386         (__clzSI2): Likewise.
2387         (__ctzSI2): Likewise.
2388         (__ffsDI2): Likewise.
2389         (__ffsSI2): Likewise.
2390         (__ctzDI2): Likewise.
2391         (__popcountSI2): Likewise.
2392         (__popcountDI2): Likewise.
2393         (__paritySI2): Likewise.
2394         (__parityDI2): Likewise.
2395         * unwind-dw2-fde.h: Add visibility #pragmas.
2396         * unwind.h: Likewise.
2397
2398 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
2399             Dale Johannesen  <dalej@apple.com>
2400             Roger Sayle  <roger@eyesopen.com>
2401
2402         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
2403         constants more accurately.  Adjust costs for FMA instructions.
2404         Add cases for most logical and float operations.  Recurse into
2405         most operands.
2406
2407 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
2408
2409         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
2410
2411 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
2412
2413         * ra-build.c (conflicts_between_webs): For webs that cross a call add
2414         conflicts to regs_invalidated_by_call.
2415
2416 2004-08-03  Paul Brook  <paul@codesourcery.com>
2417
2418         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
2419
2420 2004-08-03  Jan Hubicka  <jh@suse.cz>
2421
2422         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
2423         ARRAY_REF argument.
2424
2425 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
2426
2427         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
2428         arm968es, arm10e, arm1020e, arm1022e.
2429         * invoke.texi: Update list of ARM cores.
2430         * arm-tune.md: Regenerate.
2431
2432 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
2433
2434         * arm/gentune.sh: New file.
2435         * arm/t-arm: New file.
2436         * arm/arm-tune.md: New file (autogenerated).
2437         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
2438         * arm.md (attribute tune): Delete.  Include arm-tune.md.
2439
2440 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
2441
2442         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
2443         penultimate parameter.  All callers adjusted.
2444         (struct prefix_list): Remove used_flag_ptr.
2445         (find_a_file): Do not set *pl->used_flag_ptr.
2446         (warn_B, warn_std_ptr): Remove.
2447
2448 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
2449             Mostafa Hagog <mustafa@il.ibm.com>
2450
2451         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
2452
2453 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
2454
2455         * dwarf2out.c (output_call_frame_info): Don't change data format
2456         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
2457         label.  Use 'true' not '1'.
2458         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
2459         required.
2460
2461 2004-08-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
2462
2463         * gdbinit.in: Reflect previous changes to rtunion_def.
2464
2465 2004-08-02  Roger Sayle  <roger@eyesopen.com>
2466
2467         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
2468         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
2469
2470 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2471
2472         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
2473         vec_p_reserve.
2474         * langhooks.h (lang_hooks::builtin_function): Rename parameter
2475         from "class" to "bt_class".
2476
2477 2004-08-02  Paul Brook  <paul@codesourcery.com>
2478
2479         PR rtl-optimization/15068
2480         * flow.c (init_propagate_block_info): Check condition is reversible.
2481
2482 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2483
2484         * gengtype.h (options::info): Change type to const char *.
2485         (enum gc_used_enum): Move out of struct type scope.
2486         * gengtype.c (create_option): Convert initializer for option::info to
2487         appropiate type.
2488         (adjust_field_type, walk_type, write_func_for_structure,
2489         write_root, write_roots): Remove pointless cast.
2490
2491 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
2492
2493         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
2494
2495 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2496
2497         * rtl.h (union rtunion_def): Have all members  start with the
2498         prefix "rt_".
2499         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
2500         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
2501         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
2502         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
2503         access.
2504         * gengtype.c (adjust_field_rtx_def): Likewise.
2505         * rtlanal.c (loc_mentioned_in_p): Likewise.
2506
2507 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
2508
2509         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
2510         Replace uses of mips/elf64.h with mips/elf.h
2511         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
2512         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
2513         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
2514         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
2515         (HANDLE_SYSV_PRAGMA): Delete.
2516         (ASM_OUTPUT_DEF): Fix formatting.
2517         * config/mips/elf64.h: Delete.
2518
2519 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
2520
2521         * config/ia64/ia64.c (got_symbolic_operand): Do require a
2522         symbol+offset operand to have its offset be zero mod 0x3fff
2523         when GOT entries are in use.  Clarify logic in SYMBOL_REF
2524         case.  Clarify comments.
2525         (ia64_expand_load_address): Split a symbol+offset load when
2526         the offset is nonzero mod 0x3fff, not 0x1fff.
2527
2528 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
2529
2530         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
2531         if trying to *store* to a non-offsettable address.
2532         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
2533         a nonoffsettable address.
2534         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
2535         Clean up.
2536         (movti_string): Don't move GPRs to a nonoffsettable address.
2537         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
2538
2539 2004-08-02  Ben Elliston  <bje@au.ibm.com>
2540
2541         PR target/16155
2542         * config/rs6000/altivec.h: Replace typeof with __typeof__.
2543
2544 2004-08-01  Richard Henderson  <rth@redhat.com>
2545
2546         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
2547         variable sized types.
2548
2549 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2550
2551         * doc/invoke.texi: In the MIPS options section, remove the passage
2552         saying that -mexplicit-relocs is usually disabled for -mabicalls
2553         -fno-unit-at-a-time.
2554         * config/mips/mips.c (override_options): Remove the code that enforced
2555         this rule.
2556
2557 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2558
2559         * config/mips/mips.md (cprestore): Provide two alternatives, one for
2560         an in-range offset and one for an out-of-range offset.  Wrap the latter
2561         in .set macro/.set nomacro if it's inside a .set nomacro block.
2562
2563 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
2564
2565         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
2566         (mips_restore_gp): Declare.
2567         * config/mips/mips.c (mips_add_offset): Add a scratch register
2568         argument.  Reimplement in rtl only, reusing MIPS16 logic from
2569         mips_output_mi_thunk.
2570         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
2571         to mips_add_offset.
2572         (mips_gp_save_slot): Delete.
2573         (mips_restore_gp): New function.
2574         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
2575         * config/mips/mips.md (exception_receiver): Turn into a
2576         define_insn_and_split.  Use mips_restore_gp to do the split.
2577         (call_internal, call_value_internal, call_value_multiple_internal): Use
2578         mips_restore_gp to restore $gp.
2579
2580 2004-07-31  Andrew Pinski  <apinski@apple.com>
2581
2582         PR other/16842
2583         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
2584
2585 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
2586
2587         * c-decl.c (diagnose_mismatched_decls): Give error for external
2588         redeclaration of identifier declared with no linkage, not just
2589         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
2590         error for redeclaration with no linkage.
2591
2592 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
2593             Fariborz Jahanian <fjahanian@apple.com>
2594
2595         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
2596         non-offsettable addresses even for DImode.
2597         (rs6000_split_multireg_move): Cope with non-offsettable addresses
2598         being moved into multiple GPRs.
2599
2600         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
2601         to 64.
2602         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
2603         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
2604         to 128.
2605         * config/rs6000/darwin-ldouble.c (isless): New macro.
2606         (inf): New macro.
2607         (nonfinite): New macro.
2608         (FPKINF): Delete.
2609         (_xlqadd): Completely rewrite.
2610         (_xlqmul): Correct overflow handling.
2611         (_xlqdiv): Correct overflow handling.
2612         * config/rs6000/darwin-ldouble-format: New file.
2613
2614 2004-07-30  Roger Sayle  <roger@eyesopen.com>
2615             Richard Henderson  <rth@redhat.com>
2616
2617         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
2618         9 into the equivalent lea instruction.
2619
2620 2004-07-30  Richard Henderson  <rth@redhat.com>
2621
2622         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
2623         with DECL_INITIAL if fb_lvalue.
2624         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
2625         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
2626         with <Cxxx>.
2627         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
2628
2629 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
2630
2631         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
2632         pointer escapes through a function call, assume that the
2633         callee will dereference it.
2634         (add_pointed_to_var): Assume that VALUE is always an
2635         ADDR_EXPR.
2636         (collect_points_to_info_r): Only call add_pointed_to_var if
2637         the value is an ADDR_EXPR.
2638
2639 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
2640
2641         * tree-ssa-alias.c (create_alias_map_for): Do not get the
2642         alias set of the inner type of ARRAY_TYPEs.
2643
2644 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2645
2646         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
2647         setting a non-register to UNDEFINED right before the call to
2648         set_lattice_value.
2649
2650 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2651
2652         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
2653
2654 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2655
2656         * tree-ssa.c (verify_flow_sensitive_alias_info): When
2657         comparing points-to sets of different pointers, make sure the
2658         second pointer is actually referenced in the code.
2659
2660 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
2661
2662         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
2663         (got_symbolic_operand): Remove unreachable code.
2664         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
2665         setjmp_operand; add entry for tls_symbolic_operand.
2666         * config/ia64/ia64-protos.h: Remove all prototypes of
2667         predicate functions.
2668
2669 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
2670
2671         * c-common.h (lang_post_pch_load): New variable.
2672         * c-pch.c (lang_post_pch_load): Define it.
2673         (c_common_read_pch): Use it.
2674         * cgraphunit.c (record_call_1): Give the front end a chance to
2675         record additional needed entities when a variable is marked as
2676         needed.
2677         * tlink.c (recompile_files): Robustify.
2678         (scan_linker_output): If a symbol is assigned to a file,
2679         but after recompilation is not present there, issue an error
2680         message.
2681
2682 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2683
2684         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
2685         Take orig_loop argument and pass it to set_level.
2686         (schedule_sm): Pass the correct orig_loop to force_move_till.
2687
2688 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
2689
2690         * cfgloop.c (update_latch_info): Update dominator of the new block.
2691         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
2692         info.
2693         * dominance.c (verify_dominators): Check that the dominance tree is
2694         connected.
2695         (recount_dominator): Ignore unreachable blocks.
2696         (iterate_fix_dominators): Cleanup old dominance information before
2697         recomputing it.
2698
2699 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
2700
2701         * tree-ssa-operands.c (get_expr_operands): Revert changes
2702         to ADDR_EXPR processing introduced by:
2703             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2704             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
2705
2706 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
2707
2708         * doc/implement-c.texi: Add C90 subclause references.  Point to
2709         preprocessor documentation instead of duplicating it.  Add points
2710         only present in C90.  Fill in documentation for all points.
2711
2712 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2713
2714         * pa.c (output_movb): Correct typo.
2715
2716 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
2717
2718         * ra.h (single_reg_in_regclass): Declare.
2719         * ra.c (single_reg_in_regclass): Define.
2720         (first_hard_reg): New.
2721         (init_ra): Initialize single_reg_in_regclass.
2722         * ra-colorize.c (ok_class): New.
2723         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
2724
2725 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
2726
2727         * gcov-io.h: Allow zero tag as EOF indicator.
2728         (gcov_is_eof): Remove.
2729         (gcov_truncate): Remove.
2730         * gcov-io.c (gcov_seek): Always SEEK_SET.
2731         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
2732         EOF tag.
2733         * coverage.c (read_counts_file): Don't use gcov_is_eof.
2734         * gcov-dump.c (dump_file): Likewise.
2735         * gcov.c (read_graph_file, read_count_file): Likewise.
2736
2737         * c-decl.c (complete_array_type): Don't gratuitously copy
2738         maxindex.  Check it always has a type.
2739
2740 2004-07-29  Steven Bosscher  <stevenb@suse.de>
2741
2742         * rtl.c (currently_expanding_to_rtl): New.
2743         * rtl.h (currently_expanding_to_rtl): Export it.
2744         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
2745
2746         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
2747         inliner hack.
2748         * config/sh/sh.c: Replace rtx_equal_function_value_matters
2749         with currently_expanding_to_rtl.
2750         * config/sh/sh.md: Likewise.
2751         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
2752
2753 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
2754
2755         Introduce sh2a support.
2756         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
2757         * config.gcc: Build multilibs for sh2a and sh2a-single by
2758         default.
2759         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
2760         default.  Split their tests out of the corresponding SH4
2761         multilibs.
2762         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
2763         multilibs for SH2a.
2764         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2765         * config.gcc: Handle sh2a multilibs and cpu selection.
2766         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
2767         * config/sh/t-mlib-sh2a: New.
2768         * config/sh/t-mlib-sh2a-nofpu: New.
2769         * config/sh/t-mlib-sh2a-single: New.
2770         * config/sh/t-mlib-sh2a-single-only: New.
2771         2004-07-09  Nick Clifton  <nickc@redhat.com>
2772         Issue 43400
2773         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
2774         -ml and -m2a are used together.
2775         2004-03-23  DJ Delorie  <dj@redhat.com>
2776         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
2777         when we have a double-sized FPU.
2778         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
2779         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
2780         is set.
2781         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
2782         -msh2a-single and -msh2a-single-only
2783         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
2784         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
2785         is set.
2786         2004-02-20  DJ Delorie  <dj@delorie.com>
2787         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
2788         2004-02-20  Fred Fish <fnf@redhat.com>,
2789         Corinna Vinschen <vinschen@redhat.com>
2790         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
2791         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
2792         2004-02-18  DJ Delorie  <dj@redhat.com>
2793         * config/sh/sh.c (broken_move): Add support for movi20.
2794         * config/sh/sh.h: Likewise.
2795         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
2796         * config/sh/sh.md (udivsi3_sh2a): New.
2797         (udivsi3): Call it.
2798         (divsi3_sh2a): New.
2799         (divsi3): Call it.
2800         (mul_r): New.
2801         (ashlsi3_sh2a): New.
2802         (ashrsi3_sh2a): New.
2803         (lshrsi3_sh2a): New.
2804         (movsi_i): Disable for sh2a.
2805         (movsi_ie): Add movi20.
2806         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
2807         sh2a, for -m2a-nofpu mode.
2808         2004-02-13  DJ Delorie  <dj@redhat.com>
2809         * config/sh/lib1funcs.asm: Handle double vs single better.
2810         * config/sh/sh.h: Likewise.
2811         2004-02-09  DJ Delorie  <dj@redhat.com>
2812         * config/sh/crt1.asm: Add support for sh2a.
2813         * config/sh/elf.h: Likewise.
2814         * config/sh/lib1funcs.asm: Likewise.
2815         * config/sh/sh.c: Likewise.
2816         * config/sh/sh.md: Likewise.
2817         * config/sh/sh.h: Likewise.
2818         * config/sh/t-sh: Likewise.
2819
2820 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2821
2822         * config/frv/frv.md (movqi_internal, movhi_internal,
2823         movsi_internal): Add backup alternatives for memory inputs.
2824
2825 2004-07-28  Matt Austern  <austern@apple.com>
2826
2827         * config/darwin.c (darwin_one_byte_bool): New global variable.
2828         * config/darwin.h (darwin_one_byte_bool): Declare.
2829         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
2830         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
2831         value of darwin_one_byte_bool.
2832         * doc/invoke.texi: Document -mone-byte-bool flag.
2833
2834 2004-07-28  Eric Christopher  <echristo@redhat.com>
2835
2836         * c-common.c (c_common_unsafe_for_reeval): Delete.
2837         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
2838         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
2839         * calls.c (fix_unsafe_tree): Delete.
2840         (expand_call): Delete code which used above.
2841         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
2842         * expr.c (expand_expr_real_1): Ditto.
2843         * fold-const.c (non_lvalue): Ditto.
2844         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
2845         (lhd_unsafe_for_reeval): Ditto.
2846         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
2847         * langhooks.h (unsafe_for_reeval): Ditto.
2848         (unsave_expr_now): Adjust comment.
2849         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
2850         (estimate_num_insns_1): Ditto.
2851         * tree-pretty-print.c (dump_generic_node): Ditto.
2852         * tree.c (expr_align): Ditto.
2853         (unsave_expr): Delete.
2854         (unsafe_for_reeval): Ditto.
2855         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
2856         * tree.def (UNSAVE_EXPR): Delete.
2857         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
2858
2859 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
2860
2861         * tree.h (enum tls_model): Move ...
2862         * coretypes.h: ... here.
2863
2864 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
2865
2866         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
2867
2868 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
2869
2870         * cse.c (validate_canon_reg): New function, split out from...
2871         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
2872
2873 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2874
2875         * tree-ssa-alias.c (maybe_create_global_var): Don't just
2876         return if .GLOBAL_VAR has been created.
2877
2878 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2879
2880         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
2881         every variable that may have aliases, not just tags.
2882
2883 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
2884
2885         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
2886         move_from_CR_eq_bit.
2887         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
2888
2889
2890         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
2891         e500_flip_eq_bit.
2892
2893         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
2894         output_e500_flip_eq_bit.
2895
2896         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
2897         output_e500_flip_eq_bit.
2898         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
2899         output_e500_flip_eq_bit.
2900         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
2901         (print_operand): case D.  Get to EQ bit.
2902
2903 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
2904
2905         * gcov.c (function_summary): Add missing \n.
2906
2907 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
2908
2909         Introduce sh4a support.
2910         * config.gcc: Handle sh4a multilibs and cpu selection.
2911         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
2912         * config/sh/t-mlib-sh4a: New.
2913         * config/sh/t-mlib-sh4al: New.
2914         * config/sh/t-mlib-sh4a-nofpu: New.
2915         * config/sh/t-mlib-sh4a-single: New.
2916         * config/sh/t-mlib-sh4a-single-only: New.
2917         2004-02-20  DJ Delorie  <dj@redhat.com>
2918         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
2919         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
2920         2003-08-22  Eric Christopher  <echristo@redhat.com>
2921         * config/sh/sh4a.md: Update for chip errata.
2922         2003-08-07  Eric Christopher  <echristo@redhat.com>
2923         * config/sh/sh4a.md: New file. sh4a processor description.
2924         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
2925         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
2926         of -m4a-nofpu.
2927         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
2928         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
2929         * doc/invoke.texi (SH Options): Document -m4al.
2930         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
2931         * config/sh/sh.c (expand_block_move): Remove commented-out code
2932         checked in by mistake.
2933         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
2934         single elements from SFmode vectors.
2935         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
2936         register.
2937         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
2938         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
2939         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
2940         sh_fsca_int2sf): Remove variable declarations.
2941         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
2942         sh_fsca_int2sf): New functions.
2943         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
2944         sh_fsca_int2sf_rtx): New static variables.
2945         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
2946         sh_fsca_int2sf): Declare.
2947         * config/sh/sh.md: Adjust.
2948         * doc/invoke.texi (SH Options): Document new options.
2949         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
2950         compatibility from SH4 code.
2951         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
2952         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
2953         early.
2954         (memory_movsrc_operand): Renamed to...
2955         (unaligned_load_operand): ... this.  Simplified.
2956         * config/sh/sh.h (PREDICATE_CODES): Adjust.
2957         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
2958         input operand to SImode, and adjust the others.  Introduce
2959         post-increment by peephole.
2960         * config/sh/sh.c (expand_block_move): Give the target address the
2961         same mode as the temp reg.
2962         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
2963         copying.
2964         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
2965         Introduce support for SH4a.
2966         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
2967         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
2968         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
2969         sh_fsca_int2sf): New.
2970         (sh_init_builtins): Initialize them.
2971         (print_operand): Support `d'.
2972         (expand_block_move): Use movua if src is misaligned.
2973         (memory_movsrc_operand): New.
2974         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
2975         and one of the SH4 macros.
2976         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
2977         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
2978         SELECT_SH4A_SINGLE): New.
2979         (TARGET_NONE): Add SH4A_BIT.
2980         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
2981         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
2982         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
2983         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
2984         (enum processor_type): Added PROCESSOR_SH4A.
2985         (PREDICATE_CODES): Add memory_movsrc_operand.
2986         * config/sh/sh.md: Removed unused variables.
2987         (attr cpu): Add sh4a.
2988         (attr type): Add movua, fsrra and fsca.
2989         (prefetch): New, for SH4.
2990         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
2991         (toggle_sz): Set type to fp.
2992         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
2993         (movua, extv, extzv): New.
2994         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
2995         and 4a-single-only.
2996
2997 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
2998
2999         * tree-optimize.c (init_tree_optimization_passes): Schedule
3000         pass_may_alias right after the program is renamed into SSA.
3001         * tree-pass.h (PROP_alias): Define.
3002         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
3003         * tree-sra.c (pass_sra): Likewise.
3004         * tree-ssa-ccp.c (pass_ccp): Likewise.
3005         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
3006         * tree-ssa-dce.c (pass_dce): Likewise.
3007         * tree-ssa-dom.c (pass_dominator): Likewise.
3008         * tree-ssa-dse.c (pass_dse): Likewise.
3009         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
3010         * tree-ssa-loop-ch.c (pass_ch): Likewise.
3011         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
3012         * tree-ssa-pre.c (pass_pre): Likewise.
3013         * tree-tailcall.c (pass_tail_recursion): Likewise.
3014         * tree-ssa.c (pass_redundant_phi): Likewise.
3015         * tree-ssa-alias.c (aliases_computed_p): Remove.
3016         Update all users.
3017         (init_alias_info): Do not mark all type tags for renaming
3018         unconditionally.
3019         Clear may_aliases from every symbol.
3020         (setup_pointers_and_addressables): If a pointer has not been
3021         dereferenced and it had a type tag, clear it and mark the old
3022         tag for renaming.
3023
3024 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
3025
3026         PR tree-optimization/16705
3027         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
3028         .GLOBAL_VAR.
3029
3030 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3031
3032         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
3033         check.
3034
3035         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
3036         don't make another one.
3037
3038         PR optimization/15077
3039         * function.h (struct function): Add field saved_static_chain_decl.
3040         Fix comment for static_chain_decl.
3041         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
3042         * tree-inline.h (save_body): Add new arg.
3043         * tree-optimize.c (tree_rest_of_compilation): Handle saving
3044         static_chain_decl.
3045
3046 2004-07-27  Richard Henderson  <rth@redhat.com>
3047
3048         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
3049         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
3050         is_gimple_addressable.
3051         * tree-gimple.c (is_gimple_addressable): Rename from
3052         is_gimple_addr_expr_arg; accept INDIRECT_REF.
3053         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
3054         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
3055         rename to is_gimple_addressable.
3056
3057 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
3058
3059         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
3060
3061 2004-07-27  Richard Henderson  <rth@redhat.com>
3062
3063         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
3064         before rounding.
3065
3066 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
3067
3068         * libgcc2.c: Change all conditionals testing
3069         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
3070         * libgcc2.h: Likewise.
3071         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
3072         TYPE_PRECISION of float80_type to 80.
3073         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
3074         of fpreg_type and float80_type to 80.
3075         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
3076         * config/m68k/netbsd-elf.h:
3077         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
3078         to evaluate to 80 whenever they would formerly have evaluated to 96.
3079         * config/i386/sco5.h: Remove unnecessary redefinition of
3080         LONG_DOUBLE_TYPE_SIZE.
3081         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
3082         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
3083         XFmode, with a bitsize of 80.  Update commentary.
3084         * config/ia64/ia64-modes.def: Likewise.
3085         * config/m68k/m68k-modes.def: Likewise.
3086
3087 2004-07-27  Steven Bosscher  <stevenb@suse.de>
3088
3089         * cfgexpand.c (tree_expand_cfg): Fix comment.
3090
3091         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
3092         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
3093         Remove.
3094         (prepare_function_start): Don't set rtx_equal_function_value_matters.
3095         * integrate.c (copy_rtx_and_substitute): Don't test for it.
3096         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
3097         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
3098         here again.  Update leading comment.
3099         * rtl.c (rtx_equal_function_value_matters): Remove.
3100         (rtx_equal_p): Don't test for it.
3101         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
3102         Likewise.
3103
3104         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
3105         * rtl.c (note_insn_name): Likewise.
3106         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
3107         * final.c (final_scan_insn): Likewise.
3108
3109         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
3110         * passes.c (rest_of_handle_eh): Do it here.
3111
3112         * stmt.c (struct nesting): Remove struct nesting block member.
3113         (struct stmt_status): Remove x_block_start_count field.
3114         (current_block_start_count): Remove.
3115
3116 2004-07-27  Brian Booth  <bbooth@redhat.com>
3117
3118         * tree-optimize.c (register_one_dump_file): Update condition that uses
3119         static_pass_number.
3120         (dup_pass_1): Replace with...
3121         (next_pass_1): This.
3122         (NEXT_PASS): Call next_pass_1.
3123         (DUP_PASS): Remove.
3124         (init_tree_optimization_passes): Remove uses of DUP_PASS.
3125         (execute_one_pass): Update condition that uses
3126         static_pass_number.
3127         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
3128         integer.
3129
3130 2004-07-27  Nick Clifton  <nickc@redhat.com>
3131
3132         * config/m32r/m32r.c: Include integrate.h in order to get the
3133         prototype for get_hard_reg_initial_val().
3134
3135         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
3136         and tidy up indentation.
3137         (final_presence_set): Use absence_set instead, so that if there is
3138         nothing in the "o" pipe the "s" pipe can be scheduled.
3139
3140 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
3141
3142         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
3143         don't have PT_VARS nor PT_MALLOC set.
3144         Clear name tag from pointers that have not been dereferenced.
3145         (set_pt_anything, set_pt_malloc): Forward declare.
3146         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
3147         not type compatibility when determining if a pointer can be
3148         copy propagated.
3149
3150 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
3151
3152         * expr.h (canonicalize_condition, get_condition): Add an int argument.
3153         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
3154         it to check whether the condition is still valid at the jump insn.
3155         * ifcvt.c (noce_get_condition): Likewise.
3156         (noce_get_alt_condition): Update call to canonicalize_condition.
3157         * loop-iv.c (simplify_using_initial_values): Update call to
3158         get_condition.  Remove FIXME.
3159         (check_simple_exit): Update call to get_condition.
3160         * loop-unswitch.c (may_unswitch_on): Likewise.
3161         * loop.c (check_dbra_loop): Likewise.
3162         (canonicalize_condition, get_condition): Add an argument to say whether
3163         the condition must still be valid at INSN.
3164         (get_condition_for_loop): Update call to get_condition.  Require that
3165         the condition be valid at INSN.
3166         * predict.c (estimate_probability): Update call to get_condition.
3167         Remove unused earliest parameter.
3168         (expected_value_to_br_prob): Update call to canonicalize_condition.
3169
3170 2004-07-26  Eric Christopher  <echristo@redhat.com>
3171
3172         * tree-dfa.c (add_referenced_var): Register initializers of global
3173         variables.
3174
3175 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
3176
3177         * config/i386/i386.c (function_arg): Always treat 8-
3178         and 16-byte wide vectors the same, even if MMX/SSE
3179         are disabled.
3180         (contains_128bit_aligned_vector_p): Add comment.
3181
3182 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
3183
3184         * ra.h (enum node_type): Rename to:
3185         (enum ra_node_type).
3186         * ra-colorize.c: Likewise.
3187
3188 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
3189
3190         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
3191         after simplifying the jump.
3192
3193 2004-06-26  Richard Henderson  <rth@redhat.com>
3194
3195         * calls.c (combine_pending_stack_adjustment_and_call): Make
3196         preferred_unit_stack_boundary argument unsigned.  Make
3197         unadjusted_alignment unsigned.
3198         (expand_call): Make preferred_stack_boundary and
3199         preferred_unit_stack_boundary variables unsigned.
3200         * function.c (assign_stack_local_1): Make alignment unsigned.
3201         * function.h (struct function): Make stack_alignment_needed,
3202         preferred_stack_boundary unsigned.
3203         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
3204         (ix86_compute_frame_layout): Make stack_alignment_needed,
3205         preferred_alignment variables unsigned.
3206         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
3207
3208 2004-07-26  Tom Tromey  <tromey@redhat.com>
3209
3210         * tree.h: Fix typo in comment.
3211
3212 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
3213
3214         PR bootstrap/12804
3215         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
3216         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
3217         (ggc_free): Remove incorrect freeing.
3218         (sweep_pages): Advance PP for large pages.  Fix indentation.
3219
3220 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
3221
3222         PR rtl-optimization/16643
3223         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
3224         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
3225         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
3226         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
3227         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
3228         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3229         * rtl.h (tracer): Add a flags parameter.
3230         * tracer.c (tracer): Pass it to cfg_layout_initialise.
3231         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
3232         (rest_of_handle_reorder_blocks): Update calls to tracer and
3233         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
3234         (rest_of_handle_tracer): Pass 0 to tracer.
3235         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
3236
3237 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
3238
3239         PR target/16239
3240         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
3241         f->f.
3242
3243 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
3244
3245         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
3246         (BINFO_BASE_ACCESS): Adjust.
3247         (BINFO_BASE_ACCESS_APPEND): New.
3248         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
3249         * dbxout.c (dbxout_type): Adjust binfo access accessing.
3250         * dwarf2out.c (gen_member_die): Likewise.
3251         * tree-dump.c (deque_and_dump): Likewise.
3252
3253 2004-07-26  Falk Hueffner  <falk@debian.org>
3254
3255         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
3256         costs.
3257
3258 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3259
3260         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
3261         value off of the stack if TARGET_USE_FFREEP.
3262
3263 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3264
3265         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
3266         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
3267         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
3268         check on invocation of XRESIZEVEC ().
3269
3270 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3271
3272         * c-common.c (disable_builtin_function): Rename variable n to
3273         new_disabled_builtin.
3274         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
3275         Rename local variable old to old_decl.
3276         * gensupport.c (shift_output_template): Rename parameter old to src.
3277         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
3278         old_rtx and newx to new_rtx.
3279
3280 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
3281
3282         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
3283         of c-pragma.h.
3284         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
3285         enum cpp_ttype.
3286         * c-lex.c: Likewise.
3287
3288 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3289
3290         * fold-const.c (constant_boolean_node): Make extern.
3291         (make_range): Wrap long lines.
3292         (fold_cond_expr_with_comparison): Remove unnecessary call to
3293         pedantic_non_lvalue.  Add missing calls to fold_convert.
3294         (fold_truthop): Add missing calls to fold_convert.
3295         (fold): Likewise.
3296         * tree.h (constant_boolean_node): Add prototype here.
3297         * builtins.c (expand_builtin_strncmp): Add missing calls to
3298         fold_convert.
3299         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
3300         Call fold_convert and constant_boolean_node to correct types.
3301         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
3302         missing call to fold_convert to correct types.
3303
3304 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
3305             Brian Ryner  <bryner@brianryner.com>
3306
3307         PR c++/9283
3308         PR c++/15000
3309         * c-common.c (c_common_attribute_table): Allow
3310         handle_visibility_attribute to be called for types.
3311         (handle_visibility_attribute) When given a type, set the visibility
3312         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
3313         so that we can check later whether the attribute was present. Added
3314         warning if attribute applied to non class type.
3315         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
3316         decls and checking that they are consistent.
3317         * common.opt: Added -fvisibility.
3318         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
3319         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
3320         * flags.h, tree.h: Added assorted support defines for overall patch
3321         * opts.c: Added parsing support for -fvisibility.
3322         * tree.c (build_decl): Set visibility for all decls to be whatever
3323         is in force at that time.
3324         * varasm.c (default_binds_local_p_1): Reworked logic determining
3325         when to make a symbol locally bound.
3326         * doc/invoke.texi: Added documentation for -fvisibility and
3327         -fvisibility-inlines-hidden.
3328
3329 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3330
3331         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
3332         * c-common.c: Add missing casts from void * to other types.
3333         * c-decl.c: Likewise.
3334         * c-format.c: Likewise.
3335         * c-lex.c: Likewise.
3336         * c-pragma.c: Likewise.
3337         * c-typeck.c: Likewise.
3338         * defaults.h: Likewise.
3339         * genconstants.c: Likewise.
3340         * gengtype-lex.l: Likewise.
3341         * genmodes.c: Likewise.
3342         * read-rtl.c: Likewise.
3343         * rtl.c: Likewise.
3344
3345 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3346
3347         * bitmap.c: Use type-safe memory allocation macros from libiberty.
3348         * c-common.c: Likewise.
3349         * c-decl.c: Likewise.
3350         * c-lang.c: Likewise.
3351         * c-lex.c: Likewise.
3352         * c-opts.c: Likewise.
3353         * c-parse.in: Likewise.
3354         * c-typeck.c: Likewise.
3355         * genconditions.c: Likewise.
3356         * gengtype-lex.l: Likewise.
3357         * gengtype-yacc.y: Likewise.
3358         * gengtype.c: Likewise.
3359         * genmodes.c: Likewise.
3360         * gensupport.c: Likewise.
3361         * read-rtl.c: Likewise.
3362         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
3363         htab_find_slot().
3364
3365 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3366
3367         * c-decl.c (groktypename, groktypename_in_param_context): Rename
3368         variable typename to type_name.
3369         * c-lex.c (interpret_float): Likewise.
3370
3371 2004-07-25  Roger Sayle  <roger@eyesopen.com>
3372
3373         * convert.c (convert_to_real, convert_to_integer,
3374         convert_to_complex): Replace calls to build with calls to buildN.
3375         * coverage.c (tree_coverage_counter_ref): Likewise.
3376         * dojump.c (do_jump): Likewise.
3377         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
3378         * emit-rtl.c (component_ref_for_mem_expr,
3379         set_mem_attributes_minus_bitpos): Likewise.
3380         * explow.c (update_nonlocal_goto_save_area): Likewise.
3381         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
3382         expand_mult_add): Likewise.
3383         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
3384         store_constructor, get_inner_reference, expand_expr_real_1,
3385         try_casesi, try_tablejump): Likewise.
3386         * function.c (expand_function_start): Likewise.
3387         * stmt.c (emit_case_bit_tests, expand_end_case_type,
3388         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
3389         * stor-layout.c (place_union_field, layout_type): Likewise.
3390         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
3391         * varasm.c (copy_constant): Likewise.
3392
3393 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3394
3395         * c-common.c: Rename all identifiers named `new'.
3396         * c-decl.c: Likewise.
3397         * gensupport.c: Likewise.
3398         * simplify-rtx.c: Likewise.
3399         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
3400         with XNEW().
3401         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
3402         with XNEWVEC().
3403
3404 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
3405
3406         PR c/15360
3407         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
3408         declarations until after calling pushdecl.
3409         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
3410         "extern" and not on whether the declaration is initialized.
3411
3412 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
3413
3414         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
3415         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
3416         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
3417         "cpplib.h", "c-pragma.h", "c-common.h".
3418         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
3419         (solaris_register_pragmas): New functions.
3420         * config/sol2-protos.h: New file.
3421         * config/sol2.c: New file.
3422         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
3423         (REGISTER_TARGET_PRAGMAS): New macros.
3424         (solaris_pending_aligns, solaris_pending_inits)
3425         (solaris_pending_finis): New variables.
3426         * config/t-sol2 (sol2-c.o): Update dependencies.
3427         (sol2.o): New rule.
3428         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
3429         SUBTARGET_INSERT_ATTRIBUTES.
3430         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
3431         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
3432         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
3433         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
3434         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
3435         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
3436         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
3437         * config/sparc/sparc.c (sparc_attribute_table): New.
3438         (TARGET_INSERT_ATTRIBUTES): Define in terms of
3439         SUBTARGET_INSERT_ATTRIBUTES.
3440         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
3441         is defined.
3442         * doc/extend.texi (Solaris Pragmas): New section.
3443
3444 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3445
3446         * c-common.c: Rename all identifiers named `class' to `cl'.
3447         * c-common.h: Likewise.
3448         * c-parse.in: Likewise.
3449         * c-typeck.c: Likewise.
3450         * genmodes.c: Likewise.
3451         * real.c: Likewise.
3452         * real.h: Likewise.
3453         * recog.c: Likewise.
3454         * recog.h: Likewise.
3455         * regrename.c: Likewise.
3456         * tree.h: Likewise.
3457         * c-common.c (builtin_function_2): Change type of 5th parameter from
3458         int to enum built_in_function. Change type of 8th parameter from int
3459         to bool.
3460         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
3461         with GGC_CNEW().
3462         * c-typeck.c (convert_arguments): Change type of formal_prec from
3463         int to unsigned int.
3464         * genmodes.c (blank_mode): Make a few negative constants unsigned.
3465         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
3466         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
3467         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
3468         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
3469         iterator to for_all_modes () instead of an enum because enums can't
3470         be incremented in C++.
3471
3472
3473 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
3474
3475         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
3476         hard registers.
3477
3478 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3479
3480         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
3481         Handle ARRAY_RANGE_REF like ARRAY_REF.
3482
3483 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
3484
3485         * c-typeck.c (digest_init): Don't allow arrays of signed or
3486         unsigned variants of wchar_t to be initialized by wide string
3487         constants.  Do allow arrays of enumerated types compatible with
3488         wchar_t to be initialized by wide string constants.  Refine tests
3489         distinguishing wide and narrow strings and arrays.  Give specific
3490         error for arrays of other integer types initialized by string
3491         constants.
3492         (output_init_element, process_init_element): Check for
3493         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
3494         initializing with string constants.
3495
3496 2004-07-25  Richard Henderson  <rth@redhat.com>
3497
3498         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
3499         on the RESULT_DECL.
3500         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
3501         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
3502         DECL_IGNORED_P to new decl.
3503
3504 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
3505
3506         * config/ia64/ia64.c (general_xfmode_operand)
3507         (destination_xfmode_operand): Delete.
3508         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
3509         * config/ia64/ia64.md (*movxf_internal): Use general_operand
3510         and destination_operand.
3511
3512 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
3513
3514         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
3515         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
3516
3517 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
3518             Zack Weinberg  <zack@codesourcery.com
3519
3520         PR 16684
3521         * c-decl.c (diagnose_mismatched_decls): Don't issue a
3522         redundant-declaration warning the first time a builtin is
3523         declared explicitly.
3524
3525 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3526
3527         * tree.h (staticp): Change return type to bool.
3528
3529 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3530
3531         * c-common.c (c_staticp): Last episode of the staticp saga.
3532
3533 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3534
3535         * c-common.h (c_staticp): Change return type from int to bool.
3536         * tree.c (staticp): Likewise.
3537         * langhooks.h (staticp): Likewise.
3538
3539 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3540
3541         * langhooks-def.h (lhd_staticp): Change return type from int to
3542         bool in prototype to match definition.
3543
3544 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3545
3546         * system.h (bool, true, false): Don't redefine as preprocessor macros
3547         in C++.
3548
3549 2004-07-24  Roger Sayle  <roger@eyesopen.com>
3550
3551         * expmed.c (init_expmed): A signed modulus by a power of two is
3552         considered cheap if its less than or equal to four instructions.
3553
3554 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3555
3556         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
3557         GGC_CNEWVAR): New macros.
3558
3559 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
3560
3561         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
3562         lists.
3563         * c-decl.c: Likewise.
3564         * c-format.c: Likewise.
3565         * c-lex.c: Likewise.
3566         * c-opts.c: Likewise.
3567         * c-pragma.c: Likewise.
3568         * c-typeck.c: Likewise.
3569         * gencheck.c: Likewise.
3570         * genconditions.c: Likewise.
3571         * genconfig.c: Likewise.
3572         * genflags.c: Likewise.
3573         * gengtype.c: Likewise.
3574         * gensupport.c: Likewise.
3575         * ggc-none.c: Likewise.
3576         * langhooks.c: Likewise.
3577         * statistics.h: Likewise.
3578         * stub-objc.c: Likewise.
3579         * java/decl.c: Likewise.
3580
3581 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
3582
3583         * config/m68k/m68k.c (output_scc_di): Fix coding style.
3584         (symbolic_operand): Fix prototype.
3585         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
3586         * config/m68k/m68k.md: Add constants for registers a0 and sp and
3587         use them, change from the "{...}" syntax to the simpler {...}
3588         syntax.
3589         (*cfv4_extendqisi2): Fix destination predicate.
3590         * config/m68k/m68k-protos.h: Remove various declarations also
3591         generated via PREDICATE_CODES.
3592
3593 2004-07-23  Mike Stump  <mrs@apple.com>
3594
3595         * c-typeck.c (convert_for_assignment): Tightened up pointer
3596         converstions that differ in signedness.
3597
3598 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
3599
3600         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
3601
3602 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3603
3604         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
3605         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
3606
3607         * gimplify.c (gimplify_compound_lval): Check for no handled
3608         operations, rather than checking for explicit list of nodes.
3609         (is_gimple_addr_expr_arg_or_indirect): New function.
3610         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
3611         redundant setting of TREE_INVARIANT.
3612         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
3613         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
3614
3615 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
3616
3617         PR tree-optimization/16688
3618         PR tree-optimization/16689
3619         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
3620         unnecessary initialization of 'tag'.
3621         (get_tmt_for): Check that the new type tag has the same alias
3622         set as the pointed-to type.
3623         (group_aliases): Only regular variables need to be removed
3624         from the alias set of a name tag.
3625         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
3626         propagation if the two types are not compatible.
3627         (merge_alias_info): Rename from replace_ssa_names_ann.
3628         Add more checking.
3629         (replace_exp_1): If both arguments are SSA_NAMEs, check that
3630         the propagation can be done.
3631         Only call merge_alias_info on pointers.
3632         (propagate_value): Likewise.
3633         * tree-ssa-copyrename.c: Include langhooks.h.
3634         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
3635         to do the merging.
3636         Do not coalesce variables with incompatible types.
3637         (rename_ssa_copies): Call replace_ssa_name_symbol.
3638         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
3639         the same type as the underlying _DECL.
3640         * tree-ssanames.c (replace_ssa_name_symbol): New function.
3641         * tree.h (replace_ssa_name_symbol): Declare.
3642
3643 2004-07-23  Richard Henderson  <rth@redhat.com>
3644
3645         PR c++/16277
3646         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
3647         unshare it properly.
3648         (gimplify_modify_expr_rhs): Push assignment from a conditional into
3649         the conditional for all non-register types.
3650
3651 2004-07-23  Richard Henderson  <rth@redhat.com>
3652
3653         * expr.c (expand_expr_real_1): Don't handle non-local variables.
3654         * expr.h (fix_lexical_addr): Remove.
3655         * function.c (NEED_SEPARATE_AP): Remove.
3656         (fix_lexical_addr): Remove.
3657         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
3658         not null decl_function_context.
3659         (create_alias_vars): Likewise.
3660         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
3661         (simple_goto_p): Likewise.
3662         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
3663         * tree-ssa-ccp.c (get_default_value): Likewise.
3664         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
3665         * tree.c (needs_to_live_in_memory): Likewise.
3666         * tree-flow-inline.h (may_be_aliased): Move...
3667         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
3668         when TREE_STATIC variables may be addressable.
3669
3670 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
3671
3672         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
3673
3674 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
3675
3676         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
3677         bitmap contents if GENERATOR_FILE is defined.
3678         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
3679         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
3680
3681 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
3682
3683         * c-decl.c (start_function): Form composite type of function types
3684         rather than copying type from previous prototype declaration.
3685
3686 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
3687
3688         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
3689         the const qualifier for the second argument in the C++ functions.
3690
3691         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
3692         specific pointer types.
3693
3694         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
3695         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
3696         for vector bool and/or vector pixel, add C++ and C missing support.
3697         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
3698         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
3699         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
3700         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
3701         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
3702         missing C++ and C support for vector bool and/or vector pixel.
3703         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
3704         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
3705         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
3706         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
3707         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
3708         C++ and C types used for vector bool and/or vector pixel.
3709         (vec_st, vec_stl): Add C++ support for vector pixel.
3710         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
3711         (vec_all_ne): Add C++ support for vector pixel.
3712
3713         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
3714         (vec_vmulesb): Add missing C++ function.
3715         (vec_perm): Fix type of third argument in C++ function.
3716         (vec_vsum4shs): Fix C++ function name.
3717         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
3718         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
3719         argument passed to the error handler in C macro.
3720         (vec_nmsub): Remove extra parens around argument names in C macro.
3721         (vec_packpx): Add missing parens in C macro.
3722
3723 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
3724
3725         * machmode.def: Remove vector modes.
3726         * config/alpha/alpha-modes.def: Add supported vector modes.
3727         * config/arm/arm-modes.def: Likewise.
3728         * config/frv/frv-modes.def: Likewise.
3729         * config/i386/i386-modes.def: Likewise.
3730         * config/rs6000/rs6000-modes.def: Likewise.
3731         * config/sh/sh-modes.def: Likewise.
3732
3733 2004-07-23  Matthias Klose  <doko@debian.org>
3734
3735         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
3736         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
3737         * config.h: Regenerate.
3738         * configure: Likewise.
3739
3740 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
3741
3742         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
3743         generated SYMBOL_REFs for labels.
3744         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
3745         Change prototype.
3746         (machopic_stub_name): Remove.
3747         (machopic_indirection_name): New function.
3748         (machopic_mcount_stub_name): Likewise.
3749         (machopic_classify_name): Remove.
3750         (machopic_function_base_sym): New function.
3751         (machpoic_classify_symbol): Likewise.
3752         (machopic_classify_ident): Remove.
3753         (machopic_define_ident): Likewise.
3754         (machopic_define_name): Likewise.
3755         (machopic_name_defined_p): Likewise.
3756         (machopic_ident_defined_p): Likewise.
3757         (darwin_strip_name_encoding): Likewise.
3758         (machopic_define_symbol): New function.
3759         * config/darwin.c (hashtab.h): Include.
3760         (machopic_defined_list): Remove.
3761         (machopic_classify_ident): Likewise.
3762         (machopic_classify_name): Likewise.
3763         (machopic_ident_defined_p): Likewise.
3764         (machopic_define_ident): Likewise.
3765         (machopic_define_name): Likewise.
3766         (machopic_symbol_defined_p): New function.
3767         (machopic_classify_symbol): Likewise.
3768         (machopic_data_defined_p): Use machopic_classify_symbol.
3769         (machopic_define_symbol): New function.
3770         (machopic_function_base_sym): New function.
3771         (machopic_non_lazy_pointers): Remove.
3772         (machopic_non_lazy_ptr_name): Likewise.
3773         (machopic_stubs): Likewise.
3774         (machopic_stub_name): Likewise.
3775         (NON_LAZY_POINTER_SUFFIX): New macro.
3776         (STUB_SUFFIX): Likewise.
3777         (machopic_indirection): New structure.
3778         (machopic_indirections): New variable.
3779         (machopic_indirection_hash): New function.
3780         (machopic_indirection_eq): Likewise.
3781         (machopic_indirection_name): Likewise.
3782         (machopic_mcount_stub_name): New function.
3783         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
3784         hash table.
3785         (machopic_indirect_data_reference): Rework to use new functions.
3786         (machopic_indirect_call_target): Likewise.
3787         (machopic_legitimize_pic_address): Likewise.
3788         (machopic_output_indirection): New function.
3789         (machopic_finish): Use it.
3790         (machopic_operand_p): Rework to use new functions.
3791         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
3792         (darwin_strip_name_encoding): Remove.
3793         (update_non_lazy_ptrs): Remove.
3794         (update_stubs): Likewise.
3795         (darwin_non_lazy_pcrel): Use new functions.
3796         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
3797         (ASM_OUTPUT_LABELREF): Likewise.
3798         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
3799         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
3800         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
3801         (TARGET_STRIP_NAME_ENCODING): Do not use
3802         darwin_strip_name_encoding.
3803         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
3804         darwin_strip_name_encoding.
3805         * config/i386/darwin.h (FUNCTION_PROFILER): Use
3806         machopic_mcount_stub_name.
3807         * config/i386/i386.c (x86_output_mi_thunk): Use
3808         machopic_indirection_name, not machopic_stub_name.
3809         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
3810         machopic_function_base_sym.
3811         (print_operand): Use machopic_classify_symbol.
3812         (rs6000_emit_prologue): Use machopic_function_base_sym.
3813         (output_profile_hook): Do not use machopic_stub_name.
3814         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
3815
3816 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3817
3818         PR c/7284
3819         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
3820         as multiplication.
3821
3822 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
3823
3824         * doc/implement-c.texi: New file.
3825         * doc/extend.texi (C Implementation): Move to there.
3826         * doc/gcc.texi: Include implement-c.texi.
3827         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
3828
3829 2004-07-22  Jason Merrill  <jason@redhat.com>
3830
3831         * integrate.c (copy_decl_for_inlining): Remove invisible reference
3832         handling.
3833         * tree-inline.c (setup_one_parameter): Likewise.
3834
3835 2004-07-22  Brian Booth  <bbooth@redhat.com>
3836
3837         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
3838         (substitute_and_fold): Propigate into VUSE operands when possible.
3839         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
3840         (cp_lattice_meet): Handle merging of latticevalues when
3841         UNKNOWN_VAL is present.
3842         (visit_stmt): Visit assignments with V_MUST_DEFs.
3843         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
3844         (ccp_fold): Deal with RHS' that are constant and virtual.
3845         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
3846         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
3847         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
3848         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
3849         computing immediate uses.
3850         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
3851         transition.
3852         (replace_vuse_in): New function.
3853         (likely_value): Add check of vuse operands.
3854         (get_default_value): Set the default value of virtually defined
3855         variables to UKNOWN_VAL instead of VARYING.
3856
3857 2004-07-22  Richard Henderson  <rth@redhat.com>
3858
3859         * expr.c (emit_push_insn): Don't use set_mem_attributes.
3860
3861 2004-07-22  Richard Henderson  <rth@redhat.com>
3862
3863         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
3864         variables due to conditional compilation.
3865
3866 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
3867
3868         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
3869         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
3870         Release SSA names that have been re-renamed.
3871         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
3872         variable.
3873         * tree-ssa-alias.c (init_alias_info): If aliases have been
3874         computed before, clear existing alias information.
3875         (create_name_tags): Do no fixup PT_ANYTHING pointers.
3876         If the new name tag for a pointer is different than the one it
3877         had before, mark the old tag for renaming.
3878         (replace_may_alias): New function.
3879         (group_aliases): Call it.
3880         (setup_pointers_and_addressables): Always call get_tmt_for.
3881         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
3882         once.
3883         (set_pt_anything): New local function.
3884         (set_pt_malloc): New local function.
3885         (merge_pointed_to_info): Don't merge pointed-to variables from
3886         the original pointer if the destination is pointing to an
3887         unknown location.
3888         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
3889         (add_pointed_to_var): Do not add a variable to the points-to
3890         set if the pointer is already pointing to anywhere.
3891         (collect_points_to_info_r): If the defining statement is a PHI
3892         node, only merge pointed-to information if the argument has
3893         already been visited.
3894         (get_tmt_for): Only create a new tag if the pointer didn't
3895         have one already.
3896         (dump_alias_info): Emit more information.
3897         (dump_points_to_info_for): Likewise.
3898         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
3899         try to get the annotation of an SSA_NAME.
3900         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
3901         alias sets when checking is enabled.
3902         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
3903         (eliminate): Mark basic blocks that will need
3904         EH information cleaned up.
3905         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
3906         predecessor.
3907         Initialize need_eh_cleanup.
3908         (fini_pre): Call tree_purge_all_dead_eh_edges and
3909         cleanup_tree_cfg if needed.
3910         Free need_eh_cleanup.
3911         * tree-ssa.c (verify_ssa_name): New function.
3912         (verify_def): Call it.
3913         Re-arrange to avoid printing too many error messages.
3914         (verify_use): Likewise.
3915         (verify_phi_args): Likewise.
3916         (verify_flow_insensitive_alias_info): New function.
3917         (verify_flow_sensitive_alias_info): New function.
3918         (verify_alias_info): New function.
3919         (verify_ssa): Call verify_alias_info.
3920         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
3921         program.
3922         Re-arrange to avoid printing too many error messages.
3923         * tree-ssanames.c (make_ssa_name): Clear
3924         SSA_NAME_IN_FREE_LIST.
3925         (release_ssa_name): Never release a default definition.
3926         (release_defs): New function.
3927         * tree.h: Declare it.
3928         * tree-ssa-dce.c (remove_dead_stmt): Call it.
3929
3930 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
3931
3932         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
3933         If true, do a depth-first search.  Do a breadht-first search,
3934         otherwise.
3935         (walk_use_def_chains): Add new argument IS_DFS.
3936         Update all users.
3937         * tree-flow.h (walk_use_def_chains): Update prototype.
3938
3939 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
3940
3941         * config/cris/cris.md: Tweak formatting.
3942         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
3943         (mover2side, moverside, movemside, movei, op3, andu): Replace
3944         live define_peephole:s with define_peephole2 near-equivalents.
3945         Delete the rest.
3946         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
3947         word-size modes.
3948         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
3949         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
3950         "*mov_sidesi_mem" respectively.
3951
3952 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
3953
3954         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
3955         (gimplify_build1): Move from tree-complex.c do_unop.
3956         (gimplify_build2): Move from tree-complex.c do_binop.
3957         (gimplify_build3): New.
3958         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
3959         Adjust throughout to call the functions above.
3960         * tree-flow.h: Declare the functions above.
3961         * tree-nested.c (gimplify_val): Rename to...
3962         (tsi_gimplify_val): ... this.
3963
3964         * Makefile.in (tree_complex.o): Update dependencies.
3965         (stor-layout.o): Depend on regs.h.
3966         * c-common.c (handle_vector_size_attribute): Update for
3967         vector types without corresponding vector modes.
3968         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
3969         a corresponding vector mode is not available.
3970         * print-tree.c (print_node): Print nunits for vector types
3971         * regclass.c (have_regs_of_mode): New.
3972         (init_reg_sets_1): Initialize it and use it instead
3973         of allocatable_regs_of_mode.
3974         * regs.h (have_regs_of_mode): Declare it.
3975         * stor-layout.c (layout_type): Pick a mode for vector types.
3976         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
3977         build_replicated_const, do_unop, do_binop, do_plus_minus,
3978         do_negate, expand_vector_piecewise, expand_vector_parallel,
3979         expand_vector_addition, expand_vector_operations_1,
3980         expand_vector_operations, tree_lower_operations,
3981         pass_lower_vector_ssa, pass_pre_expand): New.
3982         (expand_complex_operations, pass_lower_complex): Remove.
3983         * tree-optimize.c (init_tree_optimization_passes): Adjust
3984         pass ordering for changes in tree-complex.c.
3985         * tree-pass.h: Declare new passes.
3986         * tree.c (finish_vector_type): Remove.
3987         (make_vector_type): New.
3988         (build_vector_type_for_mode, build_vector_type): Rewritten.
3989         * tree.def (VECTOR_TYPE): Document where the number of
3990         subparts is stored.
3991         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
3992         (make_vector): Remove declaration.
3993
3994 2004-07-21  Richard Henderson  <rth@redhat.com>
3995
3996         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
3997         TREE_THIS_VOLATILE, may_aliases, or optimization level.
3998         (remove_useless_vars): Dump debugging info.
3999         (expand_used_vars): Move ...
4000         * cfgexpand.c (expand_used_vars): ... here.  Make static.
4001         * tree-flow-inline.h (set_is_used): New.
4002         (set_default_def): Use get_var_ann.
4003         * tree-flow.h: Update decls.
4004         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
4005         (create_ssa_var_map): Use it.
4006         * tree-ssa.c (set_is_used): Remove.
4007
4008 2004-07-22  Ben Elliston  <bje@au.ibm.com>
4009
4010         * gdbinit.in: Set a breakpoint on internal_error.
4011
4012 2004-07-21  Richard Henderson  <rth@redhat.com>
4013
4014         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
4015         to create a new basic block.
4016
4017 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4018
4019         PR c/15052
4020         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
4021         return type on function definitions.  Move other warnings for
4022         qualified return type to -Wreturn-type.  Do not condition any such
4023         warnings on -pedantic.  Update comments.
4024         (start_function): Only copy function type from previous prototype
4025         declaration if return types are compatible.
4026         * c-typeck.c (function_types_compatible_p): Don't condition
4027         warning for incompatibility of volatile qualifiers on the return
4028         type on -pedantic.  Update comment.
4029         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
4030
4031 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4032
4033         * c-typeck.c (set_init_index): Require designator to be of integer
4034         type.
4035
4036 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4037
4038         PR c/11250
4039         * c-parse.in (init): Change to exprtype.
4040         (primary): Set original_code for STRING to STRING_CST.
4041         Call maybe_warn_string_init for compound literals.
4042         (initdcl, notype_initdcl): Call maybe_warn_string_init.
4043         (initval): Update.
4044         * c-tree.h (maybe_warn_string_init): New.
4045         (pop_init_level, process_init_element): Use struct c_expr.
4046         (struct c_expr): Update comment.
4047         * c-typeck.c (maybe_warn_string_init): New function.
4048         (digest_init): Call it.  Additional parameter strict_string.  All
4049         callers changed.
4050         (output_init_element): Likewise.
4051         (struct constructor_stack): Use struct c_expr for
4052         replacement_value.
4053         (really_start_incremental_init, push_init_level): Update.
4054         (pop_init_level): Update.  Return struct c_expr.
4055         (process_init_level): Update.  Take struct c_expr argument.
4056
4057 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
4058
4059         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
4060         commit.
4061
4062 2004-07-21  Eric Christopher  <echristo@redhat.com>
4063
4064         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
4065         removal.
4066         * c-decl.c (pop_scope): Ditto.
4067         * calls.c (expand_call): Remove call to current_nesting_level,
4068         update comment accordingly. Remove calls to expand_start_target_temps
4069         and expand_end_target_temps.
4070         * cfgexpand.c (construct_init_block): Remove call to
4071         expand_start_bindings_and_block.
4072         (construct_exit_block): Remove call to expand_end_bindings.
4073         * expr.c (safe_from_p): Remove BIND_EXPR handling.
4074         (expand_expr_real_1): Ditto. Fix formatting.
4075         (expand_vars): Delete.
4076         * stmt.c (POPSTACK): Remove block_stack.
4077         (stmt_status): Remove x_block_stack.
4078         (block_stack): Delete.
4079         (expand_start_bindings_and_block): Ditto.
4080         (expand_start_target_temps): Ditto.
4081         (expand_end_target_temps): Ditto.
4082         (current_nesting_level): Ditto.
4083         (warn_about_unused_variables): Ditto.
4084         (expand_end_bindings): Ditto.
4085         * tree.h: Remove declarations for above.
4086
4087 2004-07-21  Steven Bosscher  <stevenb@suse.de>
4088
4089         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
4090         * rtl.c (note_insn_name): Likewise.
4091         * print-rtl.c (print_rtx): Don't print it.
4092         * cfgrtl.h (can_delete_note_p): Don't handle it.
4093         (rtl_delete_block): Likewise.
4094         * passes.c (rest_of_handle_guess_branch_prob): Remove.
4095         (rest_of_compilation): Don't call it.
4096         * predict.c (process_note_predictions, process_note_prediction,
4097         note_prediction_to_br_prob): Remove.
4098         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
4099         * stmt.c (return_prediction): Remove.
4100         (expand_value_return): Don't call it.  Don't add prediction
4101         notes for return statements.
4102
4103 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
4104
4105         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
4106         once.
4107
4108 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
4109
4110         * c-common.c (vector_types_convertible_p): Use vector types'
4111         TYPE_SIZE and TREE_TYPE instead of their mode.
4112         * convert.c (convert_to_integer): Likewise.
4113         (convert_to_vector): Likewise.
4114         * fold-const.c (fold_convert): Likewise.
4115         * varasm.c (output_constant): Likewise.
4116         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
4117         Allow a VECTOR_TYPE initializer to be made of several vectors.
4118         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
4119         of cleared and need_to_clear, and use fold_convert.
4120         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
4121         integer vectors.
4122
4123 2004-07-20  Richard Henderson  <rth@redhat.com>
4124
4125         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
4126         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
4127
4128 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
4129
4130         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
4131         enormous cost if not TARGET_HARD_MUL.
4132
4133 2004-07-20  Andrew Pinski  <apinski@apple.com>
4134
4135         PR target/16557
4136         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
4137         (ASM_SPEC): here.
4138
4139 2004-07-21  Paul brook  <paul@codesourcery.com>
4140
4141         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
4142
4143 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4144
4145         * fold-const.c (operand_equal_p): Temporarily support NULL args.
4146         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
4147         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
4148
4149 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
4150
4151         * rtl.h (plus_constant): Delete.
4152         (plus_constant_wide): Rename to plus_constant.
4153         (plus_constant_for_output_wide): Delete vestigial prototype.
4154         (GEN_INT): Remove unnecessary cast.
4155         * tree.h (build_int_2, size_int_type): Delete.
4156         (build_int_2_wide): Rename to build_int_2.
4157         (size_int_wide): Rename to size_int_kind.
4158         (size_int_type_wide): Rename to size_int_type.
4159         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
4160         Remove unnecessary cast.
4161         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
4162         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
4163         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
4164         (size_int_type_wide): Rename size_int_type.
4165         (int_const_binop): Use size_int_type.
4166         * c-lex.c (interpret_integer): Use build_int_2.
4167         * final.c (split_double): Remove unnecessary casts.
4168         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
4169
4170 2004-07-20  Richard Henderson  <rth@redhat.com>
4171
4172         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
4173         (gimplify_compound_lval): Use is_gimple_tmp_reg.
4174         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
4175         (is_gimple_tmp_reg): New.
4176         * tree-gimple.h (is_gimple_tmp_reg): Declare.
4177
4178 2004-07-20  Richard Henderson  <rth@redhat.com>
4179
4180         * tree-pretty-print.c (dump_generic_node): Dump
4181         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
4182
4183 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
4184
4185         * tree-mudflap.c (mf_set_options_fndecl): New tree.
4186         (mudflap_init): Set it.
4187         (mudflap_register_call): Remove __mf_init call.
4188         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
4189         to pass "-ignore-reads" option to libmudflap if needed.
4190
4191 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
4192
4193         PR c++/14607
4194         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
4195         (MAKE_DECL_ONE_ONLY): Undefine.
4196         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
4197         readonly_data, one_only_data_section, forget_section): New prototypes.
4198         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
4199         functions.
4200         (pa_select_section): Add one-only (COMDAT) support.
4201         * pa.h (struct machine_function): Define.
4202         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
4203         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
4204         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
4205         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
4206         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
4207         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
4208         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
4209         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
4210         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
4211         for EXTRA_SECTION_FUNCTIONS.
4212         * doc/install.texi: Update binutils requirements.
4213
4214 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
4215
4216         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
4217         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
4218         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
4219         size_t.
4220         (struct VEC): Use unsigned for num and alloc.
4221         * vec.c (struct vec_prefix): Likewise.
4222         (vec_o_reserve): Adjust.
4223
4224         * dbxout.c (dbxout_type): Fix printf format.
4225
4226         * tree.h (binfo_member): Remove.
4227         * tree.c (binfo_member): Remove.
4228
4229 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
4230
4231         * tree.h: Include vec.h
4232         (DEF_VEC_P(tree)): New type.
4233         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
4234         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
4235         (BINFO_LANG_SLOT): Remove.
4236         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
4237         (struct tree_binfo): Turn base_binfos into a trailing
4238         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
4239         (binfo_lang_slots): Remove.
4240         * tree.c (binfo_lang_slots): Remove.
4241         (make_tree_binfo_stat): Take a base binfo count, not a
4242         lang slot count.  Adjust.
4243         * Makefile.in (TREE_H): Add vec.h
4244         * alias.c (record_component_aliases): Adjust BINFO access.
4245         * dbxout.c (dbxout_type): Likewise.
4246         * dwarf2out.c (gen_member_die): Likewise.
4247         * sdbout.c (sdbout_one_type): Likewise.
4248         * tree-dump.c (deque_and_dump): Likewise.
4249         * config/i386/i386.c (classify_argument,
4250         contains_128bit_aligned_vector_p): Likewise.
4251         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
4252         * doc/c-tree.texi (Classes): Update BINFO documentation.
4253
4254 2004-07-20  Steven Bosscher  <stevenb@suse.de>
4255
4256         * c-common.h (check_case_value): Remove prototype.
4257         (c_add_case_label): Adjust prototype.
4258         * c-common.c (check_case_value): Make static.
4259         (check_case_bounds): New function.
4260         (c_add_case_label): Use it.  Take new argument orig_type.
4261         * c-typeck.c (struct c_switch): New orig_type field.
4262         (c_start_case): Set it.
4263         (do_case): Pass it to c_add_case_label.
4264         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
4265         cases from here.  Add the labels in reverse order.
4266         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
4267         (add_case_node): Return nothing, don't check for duplicate cases.
4268         Insert new case nodes in a list, not in an AVL tree.
4269         (expand_end_case_type): Don't turn a case tree into a case list.
4270         (case_tree2list): Remove.
4271         * tree.h (add_case_node): Adjust prototype.
4272
4273 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
4274
4275         * genattr.c (struct range, struct function_unit,
4276         write_units, extend_range, init_range): Remove them.
4277         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
4278         Output "#define INSN_SCHEDULING" here.
4279         * genattrtab.c (struct range, struct function_unit_op,
4280         struct function_unit, struct dimension, enum operator,
4281         operate_exp, expand_units, simplify_knowing,
4282         encode_units_mask, simplify_by_exploding,
4283         find_and_mark_used_attributes, unmark_used_attributes,
4284         add_values_to_cover, increment_current_value,
4285         test_for_current_value, simplify_with_current_value,
4286         simplify_with_current_value_aux, gen_unit,
4287         write_unit_name, write_function_unit_info,
4288         write_complex_function, write_toplevel_expr,
4289         find_single_value, extend_range): Remove.
4290         (write_attr_get): Do not handle common_av->value
4291         being an FFS.
4292         (struct attr_desc): Remove func_units_p and blockage_p.
4293         (write_attr_valueq): Do not handle them.
4294         (find_attr): Do not clear them.
4295         (make_internal_attr): Do not initialize them.
4296         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
4297         * sched-vis.c (init_target_units, insn_print_units,
4298         init_block_visualization, print_block_visualization,
4299         visualize_scheduled_insns, visualize_no_unit,
4300         visualize_stall_cycles, visualize_alloc,
4301         visualize_free, target_units, get_visual_tbl_length,
4302         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
4303         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
4304         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
4305         * haifa-sched.c (blockage_range, clear_units,
4306         schedule_unit, actual_hazard, potential_hazard,
4307         insn_unit, unit_last_insn, unit_tick,
4308         actual_hazard_this_instance, potential_hazard,
4309         schedule_unit, max_insn_queue_index_value): Remove.
4310         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
4311         max_insn_queue_index.
4312         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
4313         * doc/md.texi (Processor pipeline description): Remove
4314         references to old pipeline descriptions.
4315         (Automaton pipeline description): Merge with the above.
4316         (Old pipeline description, Comparison of the two descriptions):
4317         Remove.
4318
4319         * bt-load.c (migrate_btr_def): Remove references to
4320         use_pipeline_interface.
4321         * haifa-sched.c (insn_cost, schedule_insn,
4322         schedule_block, advance_one_cycle, sched_init,
4323         queue_to_ready, sched_finish): Likewise.
4324         * modulo-sched.c (sms_schedule, advance_one_cycle,
4325         ps_has_conflicts): Likewise.
4326         * sched-rgn.c (init_ready): Likewise.
4327         (debug_dependencies): Likewise, and remove an "if (1)".
4328         * target.h (use_dfa_pipeline_interface): Remove.
4329         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4330         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4331         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4332         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4333         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4334         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4335         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4336         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4337         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4338         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4339         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4340         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4341         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4342         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4343         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4344         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4345         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4346         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4347         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
4348
4349 2004-07-19  Roger Sayle  <roger@eyesopen.com>
4350
4351         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
4352
4353 2004-07-19  Jeff Law  <law@redhat.com>
4354
4355         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
4356         (get_eq_expr_value): Use it.  Simplify slightly.
4357
4358 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
4359
4360         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
4361         (umulsidi3_32bit_r4000): Likewise.
4362
4363 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
4364
4365         * vec.h: Propagate location information properly.
4366         (VEC_T_iterate): Add result pointer parameter.
4367         (VEC_T_space): New.
4368         (VEC_T_reserve): Use it.
4369
4370 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
4371
4372         * Makefile.in (c-format.o): Depend on c-format.h.
4373         * c-format.h: New file.
4374         (struct format_char_info): Add CHAIN member.
4375         * c-format.c: Move some types and constants to c-format.h.
4376         (format_type_error): Set to -1.
4377         (struct function_format_info): Use an int for format_type.
4378         (decode_format_type): Return an int.  Return format_type_error
4379         on error.
4380         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
4381         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
4382         (scan_char_table, time_char_table, monetary_char_table): Initialize
4383         CHAIN to NULL.
4384         (n_format_types): New variable.
4385         (check_format_info_main): Handle CHAIN in format_char_info.
4386         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
4387         TARGET_N_FORMAT_TYPES.
4388         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
4389         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
4390         * config/sol2-c.c: New file.
4391         * config/t-sol2: New file.
4392         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
4393         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
4394         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
4395
4396         * doc/extend.texi (Target Format Checks): New section.
4397         (Function Attributes): Mention it.
4398         * doc/invoke.texi: Mention target format checks.
4399         * doc/sourcebuild.texi: Mention target format checks.
4400         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
4401         TARGET_FORMAT_TYPES.
4402
4403 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4404
4405         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
4406         added.
4407         * config/s390/s390.c (regclass_map initializer): Register 35 added to
4408         ADDR_REGS.
4409         (load_multiple_operation, store_multiple_operation): Removed
4410         pointless sanity check.
4411         (s390_decompose_address): Added check for return_address_pointer_rtx.
4412         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
4413         (s390_return_address_offset): New function.
4414         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
4415         (FRAME_REGNO_P): Added check for register 35.
4416         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
4417         REG_ALLOC_ORDER): Appended entry for register 35.
4418         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
4419         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
4420         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
4421         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
4422         is eliminable using stack pointer or hard frame pointer.
4423         (REGISTER_NAMES): Added name for register 35.
4424         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
4425         pointless sanity check.
4426
4427 2004-07-19  Roger Sayle  <roger@eyesopen.com>
4428
4429         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
4430         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
4431         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
4432         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
4433         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
4434         (fold_relational_const): Tidy up handling of floating point
4435         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
4436         transformation; fold_relational_const assumes constant operands.
4437
4438 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
4439
4440         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
4441         directory.
4442
4443 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
4444
4445         * c-tree.h (struct c_expr): Define.
4446         (C_SET_EXP_ORIGINAL_CODE): Remove.
4447         (parser_build_binary_op, build_compound_expr): Update prototypes.
4448         * c-parse.in (%union): Add exprtype.
4449         (FUNC_NAME): Mark as ttype.
4450         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
4451         exprtype.
4452         (expr): Update.  Define directly in terms of expr_no_commas
4453         instead of using nonnull_exprlist.
4454         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
4455         offsetof_member_designator, typespec_nonreserved_nonattr, init,
4456         initval, designator, component_declarator,
4457         component_notype_declarator, enumerator, array_declarator,
4458         condition, exexpr, switch_statement, stmt_nocomp, stmt,
4459         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
4460         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
4461         where appropriate.
4462         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
4463         * c-common.c (c_common_truthvalue_conversion): Don't check
4464         C_EXP_ORIGINAL_CODE.
4465         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
4466         Don't use C_EXP_ORIGINAL_CODE.
4467         (default_conversion, default_function_array_conversion): Don't use
4468         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
4469         (internal_build_compound_expr): Merge into build_compound_expr.
4470         (build_compound_expr): Take two operands instead of a TREE_LIST.
4471         * objc/objc-act.c (get_super_receiver): Update calls to
4472         build_compound_expr.
4473
4474 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
4475
4476         * config/sh/sh.c (sh_use_dfa_interface): Remove.
4477         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
4478         hook_int_void_1.
4479         * config/sh/sh.md: Extract pipeline descriptions
4480         into separate files.
4481         * config/sh/sh1.md: New file, extracted from sh.md.
4482         * config/sh/sh4.md: New file, extracted from sh.md.
4483         * config/sh/shmedia.md: New file, extracted from sh.md
4484         and rewritten using new-style pipeline description.
4485
4486 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
4487
4488         * config/pa/pa.md: Delete the two remaining define_peephole
4489         patterns.
4490
4491 2004-07-18  Steven Bosscher  <stevenb@suse.de>
4492             Joseph S. Myers  <jsm@polyomino.org.uk>
4493
4494         * c-common.c (c_common_truthvalue_conversion): Don't warn if
4495         TREE_NO_WARNING is set.
4496
4497 2004-07-18  Roger Sayle  <roger@eyesopen.com>
4498
4499         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
4500         simplify_builtin_strncmp): Delete.
4501         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
4502         Change argument to accept an arglist instead of an "exp".  Assume
4503         that the return type is always integer_type_node.  Copy missing
4504         transformations from their now obsolete simplify_builtin_*
4505         equivalents.
4506         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
4507         fold_builtin_strcmp and fold_builtin_strncmp.
4508         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
4509         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
4510         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
4511
4512 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
4513
4514         * Makefile.in (tree-alias-common.o): Update dependencies.
4515
4516 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
4517
4518         * cfgloop.c (flow_loop_nested_p): Fix comment.
4519
4520 2004-07-17  Jason Merrill  <jason@redhat.com>
4521
4522         PR c++/16115
4523         * stor-layout.c (relayout_decl): New fn.
4524         * tree.h: Declare it.
4525         (DECL_BY_REFERENCE): New macro.
4526
4527 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
4528
4529         * libgcc2.c (__enable_execute_stack): New symbol.
4530         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
4531         and declare __enable_execute_stack.
4532         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
4533         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
4534         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4535         ENABLE_EXECUTE_STACK.
4536         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
4537         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4538         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4539         ENABLE_EXECUTE_STACK.
4540         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4541         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
4542         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4543         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
4544         ENABLE_EXECUTE_STACK.
4545         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4546         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4547         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4548         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
4549         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
4550         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
4551         (sparc64_initialize_trampoline): Likewise.
4552         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
4553
4554 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
4555
4556         * langhooks.h (builtin_function): New langhook.
4557         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
4558         (LANG_HOOKS_INITIALIZER): Update.
4559         * tree.h (builtin_function): Remove.
4560         * doc/tm.texi: Update.
4561         * c-tree.h (builtin_function): Declare.
4562         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
4563         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
4564         config/ia64/ia64.c, config/iq2000/iq2000.c,
4565         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
4566         config/stormy16/stormy16.c: All callers of builtin_function
4567         changed.
4568
4569 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
4570
4571         PR target/16556
4572         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
4573         Remove white space after the backslash.
4574
4575 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4576
4577         PR rtl-optimization/16294
4578         * resource.c (return_insn_p): New predicate.
4579         (mark_target_live_regs): Use it.  Special-case return insns.
4580         (init_resource_info): Use it.  Don't scan the epilogue past
4581         a return.
4582
4583 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4584
4585         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
4586         destroy dominance information.
4587         * passes.c (rest_of_handle_loop2):  Free dominance information.
4588         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
4589         jump threading.
4590         (thread_jumps): Update dominance information and remove unreachable
4591         blocks.
4592         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
4593         information and remove the unreachable block.
4594
4595 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
4596
4597         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
4598
4599 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
4600
4601         * doc/sourcebuild.texi: Remove libf2c entry.
4602
4603 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
4604
4605         * config/i386/i386.md (movv16qi_internal): Fix typo.
4606
4607 2004-07-17  Steven Bosscher  <stevenb@suse.de>
4608
4609         * final.c (final_scan_insn): Fix broken commit from previous
4610         patch.
4611
4612 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
4613
4614         * c-typeck.c (parser_build_binary_op): Condition warnings for
4615         X<=Y<=Z on -Wparentheses instead of -Wextra.
4616         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
4617         supported for C only.
4618
4619 2004-07-17  Steven Bosscher  <stevenb@suse.de>
4620
4621         * cfgcleanup.c (try_simplify_condjump): Don't remove line
4622         notes to avoid unreachable code warnings.
4623         * toplev.c (backend_init): Don't emit line notes for
4624         unreachable code warnings.
4625
4626         * combine.c (distribute_notes): Don't distribute a
4627         REG_VTABLE_REF note.
4628         * final.c (final_scan_insn): Don't handle it.
4629         * rtl.c (reg_note_name): Remove it.
4630         * rtl.h (enum reg_node): Dito.
4631
4632         * emit-rtl.c (force_line_numbers, restore_line_number_status):
4633         Remove.
4634         * rtl.h (force_line_numbers, restore_line_number_status):
4635         Remove prototypes.
4636
4637         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
4638         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
4639         (using_eh_for_cleanups): Also moved here.
4640
4641         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
4642         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
4643         to expand_start_case and add_case_node.
4644         * stmt.c (struct nesting): Cleanup unused fields condition_code,
4645         last_unconditional_cleanup, nominal_type, printname, and
4646         line_number_status.
4647         (struct fixup_goto): Remove.
4648         (struct stmt_status): Remove x_goto_fixup_chain field.
4649         (goto_fixup_chain): Remove.
4650         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
4651         pushcase, pushcase_range): Remove.
4652         (expand_start_bindings_and_block): Don't set unused fields in
4653         the nesting stack.
4654         (expand_start_case, add_case_node): Cleanup unused formal arguments.
4655         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
4656         instead of emit_jump_if_reachable.
4657         (emit_case_nodes): Likewise.
4658         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
4659         static.
4660         (update_eh_label): Work around left-over exception handing regions.
4661         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
4662         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
4663         (pass_cleanup_cfg_post_optimizing): New pass.
4664         (init_tree_optimization_passes): Run the new pass after all
4665         optimizations.
4666         * tree.h (pushcase, pushcase_range): Remove prototypes.
4667         (expand_start_case, add_case_node): Update prototypes.
4668
4669 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
4670
4671         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
4672
4673 2004-07-16  Richard Henderson  <rth@redhat.com>
4674
4675         * builtins.c (std_expand_builtin_va_arg): Remove.
4676         (expand_builtin_va_arg): Remove.
4677         * expr.h: Don't declare them.
4678         * gimplify.c (mark_decls_volatile_r): Remove.
4679         (copy_if_shared_r): Don't call it.
4680         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
4681         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
4682         * gimple-low.c (lower_stmt): Likewise.
4683         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
4684         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
4685         * tree-ssa-operands.c (get_expr_operands): Likewise.
4686         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
4687         EXPAND_BUILTIN_VA_ARG.
4688         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
4689         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
4690         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
4691         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
4692
4693 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
4694
4695         * tree-ssa-pre.c (insert_aux): Break out if we hit
4696         a critical edge.
4697
4698 2004-07-16  Richard Henderson  <rth@redhat.com>
4699
4700         * basic-block.h (remove_fake_exit_edges): Declare.
4701         * cfganal.c (remove_fake_predecessors): Rename from
4702         remove_fake_successors; iterate over predecessors.
4703         (remove_fake_exit_edges): New.
4704         * cfgcleanup.c (try_optimize_cfg): Use it.
4705         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
4706         * predict.c (estimate_probability): Likewise.
4707         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
4708         * tree-cfg.c (make_edges): Likewise.
4709         * tree-ssa-pre.c (fini_pre): Likewise.
4710         * profile.c (instrument_edges): Don't remove_fake_edges.
4711         (branch_prob): Do it earlier here.
4712
4713 2004-07-16  Richard Henderson  <rth@redhat.com>
4714
4715         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
4716         switchification wrt CONSTRUCTOR.  Document the reason.
4717
4718 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
4719
4720         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
4721         that prevented descriptive __mf_check source location strings.
4722
4723 2004-07-16  Richard Henderson  <rth@redhat.com>
4724
4725         * tree-def (WITH_SIZE_EXPR): New.
4726         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
4727         * expr.c (expand_expr_real_1): Likewise.
4728         * gimplify.c (maybe_with_size_expr): New.
4729         (gimplify_arg, gimplify_modify_expr): Use it.
4730         (gimplify_modify_expr_to_memcpy): Take size parameter.
4731         (gimplify_modify_expr_to_memset): Likewise.
4732         (gimplify_expr): Handle WITH_SIZE_EXPR.
4733         * tree-alias-common.c (find_func_aliases): Likewise.
4734         * tree-eh.c (tree_could_trap_p): Likewise.
4735         (tree_could_throw_p): Likewise.
4736         * tree-gimple.c (is_gimple_lvalue): Likewise.
4737         (get_call_expr_in): Likewise.
4738         * tree-inline.c (estimate_num_insns_1): Likewise.
4739         (expand_calls_inline): Likewise.
4740         * tree-nested.c (convert_call_expr): Likewise.
4741         * tree-pretty-print.c (dump_generic_node): Likewise.
4742         * tree-sra.c (sra_walk_expr): Likewise.
4743         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
4744         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
4745         * tree-ssa-operands.c (get_expr_operands): Likewise.
4746         * tree-tailcall.c (find_tail_calls): Likewise.
4747
4748         * calls.c (expand_call): Reset old_stack_allocated after
4749         calling emit_stack_restore.
4750
4751 2004-07-16  Richard Henderson  <rth@redhat.com>
4752
4753         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
4754         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
4755         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
4756         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4757         copy_res_decl_for_inlining.
4758
4759         * tree-inline.c (declare_return_variable): New modify_dest argument.
4760         Use it as the return value, when possible or manditory.  Handle
4761         TREE_ADDRESSABLE types.
4762         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
4763         replacement of CALL_EXPR.
4764
4765 2004-07-16  Richard Henderson  <rth@redhat.com>
4766
4767         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
4768         * gimple-low.c (expand_var_p): Don't check it.
4769         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
4770         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
4771         * tree-ssa-operands.c (add_stmt_operand): Likewise.
4772         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
4773         (find_referenced_vars): Don't call them.
4774         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
4775
4776 2004-07-16  Richard Henderson  <rth@redhat.com>
4777
4778         * function.c (pass_by_reference): True for all variable sized types.
4779
4780 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
4781
4782         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
4783         * tree-pretty-print.c: Include tree-chrec.h.
4784         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
4785         and POLYNOMIAL_CHREC nodes.
4786
4787 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
4788
4789         * builtins.c (expand_builtin_stpcpy): Do not create temporary
4790         reg with VOIDmode.
4791
4792 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
4793
4794         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
4795
4796 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
4797
4798         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
4799         to BASE_REGNUM.
4800         * config/s390/s390.c: Likewise.
4801         * config/s390/s390.h: Likewise.
4802
4803 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4804
4805         * config/mips/mips.md (addsi3, adddi3): Remove special handling
4806         of $sp adds.  Remove REGNO checks from mips16 patterns.
4807
4808 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4809
4810         * config/mips/mips.md: Delete outdated comment.
4811
4812 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4813
4814         * config/mips/mips.c (get_float_compare_codes): Delete.
4815         (mips_emit_compare): New function, mostly extracted from
4816         get_float_compare_codes and gen_conditional_branch.
4817         (gen_conditional_branch, gen_conditional_move): Use it.
4818
4819 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
4820
4821         * genautomata.c (add_vect): Speedup by using integers as
4822         bit-vectors for walking through the comb_vect and finding
4823         a match.
4824
4825 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4826
4827         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
4828         operand is an uns_arith_operand; use subtraction otherwise.
4829         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
4830         not just arith_operands.
4831
4832 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4833
4834         * config/mips/mips-protos.h (gen_int_relational): Delete.
4835         (mips_emit_scc): Declare.
4836         * config/mips/mips.c (internal_test): Delete.
4837         (sle_operand, sleu_operand): New functions.
4838         (map_test_to_internal_test, gen_int_relational): Delete.
4839         (mips_emit_binary, mips_relational_operand_ok_p)
4840         (mips_emit_int_relational, mips_zero_if_equal)
4841         (mips_emit_scc): New functions.
4842         (gen_conditional_branch): Rework to use mips_emit_int_relational.
4843         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
4844         sleu_operand.
4845         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
4846         (sltu, sleu): Use mips_emit_scc.
4847         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
4848         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
4849         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
4850
4851 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4852
4853         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
4854
4855 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4856
4857         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
4858         (*sne_[sd]i): Likewise sne_[sd]i_zero.
4859         (*sgt_[sd]i): ...and sgt_[sd]i.
4860         (*slt_[sd]i): ...and slt_[sd]i.
4861         (*sgtu_[sd]i): ...and sgtu_[sd]i.
4862         (*sltu_[sd]i): ...and sltu_[sd]i.
4863         (*sleu_[sd]i): ...and sleu_[sd]i_const.
4864         Name previously unnamed mips16 patterns.  Formatting fixes.
4865
4866 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4867
4868         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
4869         (branch_type): Delete.
4870         (gen_conditional_branch, gen_conditional_move)
4871         (mips_gen_conditional_trap): Update after name change.  Get the
4872         comparison mode from cmp_operands[0].
4873         * config/mips/mips.h (cmp_type, branch_type): Delete.
4874         (cmp_operands): Renamed from branch_cmp.
4875         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
4876         name change.  Don't set branch_type.
4877         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
4878         mode class of cmp_operands[0] rather than branch_type.  Update after
4879         name change.
4880
4881 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4882
4883         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
4884         of 0...255 to 0 when inside a SET.
4885
4886 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
4887
4888         * config/mips/mips.md: Remove mips16 define_peepholes.
4889
4890 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
4891
4892         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
4893         (fini_pre): Remove fake edges.
4894
4895 2004-07-15  Richard Henderson  <rth@redhat.com>
4896
4897         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
4898         (get_indirect_ref_operands, get_call_expr_operands): ... these.
4899
4900 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
4901
4902         * vec.h (VEC_address): New function.
4903
4904 2004-07-14  Jason Merrill  <jason@redhat.com>
4905
4906         PR middle-end/15885
4907         * gimplify.c (gimplify_arg): New fn, split out from...
4908         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
4909
4910 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
4911
4912         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
4913         generate code which is generated by pushqi1 now
4914         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
4915
4916 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
4917
4918         * combine.c (simplify_set): match the mode of the constant 0 with
4919         the tested operand to match the compare behaviour and the
4920         simplify_relational_operation() expectation.
4921
4922 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
4923
4924         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
4925         ("bordered"): Same.
4926
4927 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
4928
4929         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
4930         unconditionally.
4931         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
4932
4933 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
4934
4935         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
4936         calls in mips16 code.
4937
4938 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
4939
4940         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
4941         the destination of the li as well as for the neg.
4942
4943 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
4944
4945         g++/15861
4946         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
4947         * cgraph.h: Update declaration.
4948         * c-decl.c (build_cdtor): Update call with default priority.
4949         * coverage.c (create_coverage): Ditto.
4950         * tree-mudflap.c (mf_init_fndecl): New tree.
4951         (mudflap_init): Set it.
4952         (mudflap_register_call): Arrange to call __mf_init before the first
4953         __mf_register call.
4954         (mudflap_finish_file): Mark the mudflap static initializer as extra
4955         high priority, to beat all C++ static constructors.
4956
4957 2004-07-15  Jeff Law  <law@redhat.com>
4958
4959         * loop.c (check_insn_for_givs): Restore check for code labels that was
4960         accidentally deleted by a recent checkin.
4961
4962 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
4963
4964         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
4965         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
4966
4967 2004-07-14  Richard Henderson  <rth@redhat.com>
4968
4969         * print-tree.c (print_node): Fix casts last change.
4970
4971 2004-07-15  Paul Brook  <paul@codesourcery.com>
4972
4973         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
4974         to TARGET_UNWIND_INFO.
4975         * except.c (output_function_exception_table): Ditto.
4976         * except.h: Ditto.
4977         * opts.c (decode_options): Ditto.
4978         * passes.c (rest_of_handle_final): Ditto.
4979         * final.c (final_start_function): Ditto.
4980         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
4981         target hook.
4982         * targhooks.h (default_unwind_emit): Declare.
4983         * targhooks.c (default_unwind_emit): New function.
4984         * target-def.h: Define and use TARGET_UNWIND_EMIT.
4985         * target.h (struct gcc_target): Add unwind_emit.
4986         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
4987         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
4988         Remove IA64_UNWIND_EMIT.
4989         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
4990
4991 2004-07-14  Richard Henderson  <rth@redhat.com>
4992
4993         * print-tree.c (print_node): Handle SSA_NAME.
4994
4995 2004-07-14  James E Wilson  <wilson@specifixinc.com>
4996
4997         PR target/16325
4998         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
4999         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
5000
5001 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
5002
5003         * expr.c (expand_assignment): Reenable bitfield += optimizations.
5004         Use alias set 0 for memory, do proper mode calculations and adjust
5005         address for memories.
5006
5007 2004-07-14  Per Bothner  <per@bothner.com>
5008
5009         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
5010         structure with extra column field.
5011         * tree.c (expand_location):  Also fill in column field.
5012         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
5013         gets confused by the two conditionally-compiled definitions.
5014
5015 2004-07-14  Eric Christopher  <echristo@redhat.com>
5016
5017         * calls.c (expand_call): Fix typo in comment.
5018
5019 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
5020
5021         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
5022         comparision of TFmode.
5023
5024 2004-07-14  Richard Henderson  <rth@redhat.com>
5025
5026         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
5027         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
5028         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
5029         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5030         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5031         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
5032         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5033         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5034         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5035
5036 2004-07-14  Mike Stump  <mrs@apple.com>
5037
5038         * config/darwin.h (WINT_TYPE): Define to be int to match
5039         system header files.
5040
5041 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
5042
5043         * config/xtensa/xtensa.c (function_arg_advance): Check for args
5044         that must be passed in the stack.
5045         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
5046         arguments if the size is not a constant.
5047
5048 2004-07-14  Per Bothner  <per@bothner.com>
5049
5050         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
5051         instead of EXPR_LOCUS in a boolean context, which is always true
5052         if --enable-mapped-location.
5053         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
5054
5055 2004-07-14  Richard Henderson  <rth@redhat.com>
5056
5057         * dominance.c (struct dom_info): Add fake_exit_edge.
5058         (init_dom_info): Allocate it.
5059         (free_dom_info): Free it.
5060         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
5061         in two passes.
5062         (calc_idoms): Honor fake_exit_edge.
5063
5064 2004-07-13  Jason Merrill  <jason@redhat.com>
5065
5066         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
5067         (rhs_test_for): New fn.
5068         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
5069         * tree-gimple.h: Declare them.
5070         * gimplify.c (gimplify_modify_expr): Use the new fns.
5071
5072 2004-07-14  Richard Henderson  <rth@redhat.com>
5073
5074         * config/arm/arm-protos.h (arm_va_arg): Remove.
5075         * config/arm/arm.c (arm_va_arg): Remove.
5076         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
5077         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
5078
5079 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5080
5081         * pa.c (fix_range): New function to mark a range(s) of registers as
5082         fixed registers.
5083         (override_options): Call fix_range if the -mfixed-range option string
5084         is not empty.
5085         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
5086         * doc/invoke.texi (-mfixed-range): Document new option.
5087
5088 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
5089
5090         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
5091         for TARGET_64BIT.
5092         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
5093
5094 2004-07-14  Roger Sayle  <roger@eyesopen.com>
5095
5096         * expmed.c (expand_sdiv_pow2): New function to expand signed division
5097         by a positive power of two, split out from expand_divmod.  Provide
5098         an alternate implementation when shifts are expensive.  Lower the
5099         threshold for using a branchless implementation to BRANCH_COST >= 2.
5100         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
5101
5102 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5103
5104         * tree-dfa.c (make_rename_temp): *Really* work just
5105         like create_tmp_var if called while outside SSA form.
5106
5107 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
5108
5109         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
5110         for division by zero.
5111         ("umodsi3"): Likewise.
5112
5113 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
5114
5115         * config/mips/mips.c (mips_output_move): When generating mips16 code,
5116         force loads of negative constants to be split.
5117         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
5118         Generalize SImode li/neg splitter to cope with other modes.
5119
5120 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5121
5122         * expmed.c: Remove more references to QUEUED in the comments.
5123         * expr.c: Likewise.
5124
5125 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
5126
5127         Revert:
5128         2004-07-13  Richard Henderson  <rth@redhat.com>
5129         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
5130         correctly.
5131
5132 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5133
5134         * tree-dfa.c (make_rename_temp): Work just like
5135         create_tmp_var if called while outside SSA form.
5136
5137 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
5138
5139         * expr.c (enqueue_insn, finish_expr_for_function,
5140         protect_from_queue, queued_subexp_p, mark_queue,
5141         emit_insns_enqueued_after_mark, emit_queue,
5142         expand_increment): Remove.
5143         (store_constructor): Expand increment as an assignment.
5144         (expand_expr_real_1 <case PREINCREMENT_EXPR,
5145         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
5146         case POSTDECREMENT_EXPR>): Abort.
5147         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
5148         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
5149         protect_from_queue, emit_queue, queued_subexp_p): Remove.
5150         * function.h (pending_chain, x_pending_chain): Remove.
5151         * rtl.def (QUEUED): Remove.
5152
5153         * emit-rtl.c (copy_insn_1, copy_most_rtx,
5154         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
5155         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
5156         encode_units_mask): Likewise.
5157         * local-alloc.c (equiv_init_varies_p): Likewise.
5158         * rtl.c (copy_rtx): Likewise.
5159         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
5160         * simplify-rtx.c (simplify_gen_subreg): Likewise.
5161         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
5162
5163         * builtins.c (expand_builtin, expand_builtin_apply,
5164         expand_builtin_mathfn, expand_builtin_mathfn_2,
5165         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
5166         Remove calls to emit_queue and protect_from_queue.
5167         * calls.c (expand_call, precompute_arguments,
5168         precompute_register_parameters, rtx_for_function_call,
5169         store_one_arg): Likewise.
5170         * dojump.c (do_compare_and_jump, do_jump): Likewise.
5171         * explow.c (memory_address): Likewise.
5172         * expmed.c (clear_by_pieces_1, clear_storage,
5173         clear_storage_via_libcall, emit_group_load,
5174         emit_group_store, emit_store_flag,
5175         expand_expr_real_1, store_by_pieces,
5176         store_constructor, store_expr, try_casesi,
5177         try_tablejump): Likewise.
5178         * function.c (expand_pending_sizes): Likewise.
5179         * optabs.c (emit_cmp_and_jump_insns,
5180         emit_conditional_add, emit_conditional_move,
5181         expand_fix, expand_float, prepare_cmp_insn): Likewise.
5182         * stmt.c (emit_case_bit_tests,
5183         expand_asm_expr, expand_computed_goto,
5184         expand_decl_init, expand_end_case_type,
5185         expand_end_stmt_expr, expand_expr_stmt_value,
5186         expand_return, expand_start_case,
5187         optimize_tail_recursion): Likewise.
5188         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5189         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
5190
5191 2004-07-14  Ben Elliston  <bje@au.ibm.com>
5192
5193         * vec.h: Comment fix.
5194
5195 2004-07-13  Richard Henderson  <rth@redhat.com>
5196
5197         * target.h (struct gcc_target): Add calls.pass_by_reference.
5198         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
5199         * function.c (pass_by_reference): Use the hook.
5200         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
5201         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
5202         (hook_pass_by_reference_must_pass_in_stack): New.
5203         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
5204         (alpha_pass_by_reference): New.
5205         (TARGET_PASS_BY_REFERENCE): New.
5206         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5207         * config/arc/arc.c (arc_pass_by_reference): New.
5208         (TARGET_PASS_BY_REFERENCE): New.
5209         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5210         (FUNCTION_ARG_CALLEE_COPIES): True.
5211         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
5212         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
5213         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
5214         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5215         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5216         * config/cris/cris.c (cris_pass_by_reference): New.
5217         (TARGET_PASS_BY_REFERENCE): New.
5218         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
5219         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
5220         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5221         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
5222         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5223         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
5224         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
5225         (frv_function_arg_pass_by_reference): Remove.
5226         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5227         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
5228         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
5229         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
5230         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5231         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
5232         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
5233         (ia64_pass_by_reference): Rename from
5234         ia64_function_arg_pass_by_reference.
5235         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5236         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5237         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
5238         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
5239         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
5240         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5241         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5242         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
5243         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
5244         (m32r_pass_by_reference): Adjust prototype.  Make static.
5245         Handle mode sizes correctly.
5246         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5247         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
5248         (m68hc11_function_arg_pass_by_reference): Remove.
5249         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5250         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5251         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
5252         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5253         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
5254         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
5255         (mips_va_arg): Use pass_by_reference.
5256         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
5257         Handle mode sizes correctly.
5258         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5259         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
5260         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
5261         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
5262         (mmix_pass_by_reference): Rename from
5263         mmix_function_arg_pass_by_reference.
5264         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5265         (FUNCTION_ARG_CALLEE_COPIES): True.
5266         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
5267         (mn10300_pass_by_reference): New.
5268         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5269         (FUNCTION_ARG_CALLEE_COPIES): True.
5270         * config/pa/pa.c (pa_pass_by_reference): New.
5271         (TARGET_PASS_BY_REFERENCE): New.
5272         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5273         (FUNCTION_ARG_CALLEE_COPIES): True.
5274         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
5275         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
5276         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
5277         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5278         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
5279         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
5280         (s390_pass_by_reference): Rename from
5281         s390_function_arg_pass_by_reference.
5282         (s390_function_arg_advance): Don't query pass-by-ref.
5283         (s390_function_arg): Likewise.
5284         (s390_gimplify_va_arg): Use pass_by_reference.
5285         (s390_call_saved_register_used): Likewise.
5286         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5287         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
5288         (shcompact_byref, sh_pass_by_reference): New.
5289         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5290         (SHCOMPACT_BYREF): Remove.
5291         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
5292         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
5293         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
5294         (sparc_gimplify_va_arg): Use pass_by_reference.
5295         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5296         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5297         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
5298         (v850_pass_by_reference): New.
5299         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5300         (FUNCTION_ARG_CALLEE_COPIES): True.
5301         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
5302         FUNCTION_ARG_PASS_BY_REFERENCE docs.
5303
5304 2004-07-14  Richard Henderson  <rth@redhat.com>
5305             Richard Sandiford  <rsandifo@redhat.com>
5306
5307         * config/mips/mips-protos.h (mips_va_arg): Delete.
5308         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
5309         * config/mips/mips.c: Include tree-gimple.h.
5310         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
5311         (mips_arg_info): Remove special handling of must_pass_in_stck args.
5312         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
5313         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
5314
5315 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
5316
5317         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
5318         arguments for COND_EXPR in big-endian adjustment code.
5319
5320 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5321
5322         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
5323         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
5324         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
5325         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
5326
5327 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
5328
5329         PR tree-optimization/16443
5330         * tree-ssa-alias.c: Add more description for
5331         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
5332         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
5333         clobbering of call-clobbered and addressable variables.  If
5334         there are any before aliases have been computed, add them.
5335
5336 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
5337
5338         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
5339         verification.
5340
5341 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
5342
5343         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
5344         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
5345         to the same type.
5346
5347 2004-07-13  Per Bothner  <per@bothner.com>
5348
5349         * collect2.c (main):  Handle --no-demangle and --demangle flags.
5350
5351 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
5352
5353         * Makefile.in (OBJS-common): Add tree-data-ref.o.
5354         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
5355         (tree-data-ref.o): New rule.
5356         * lambda.h: New file.
5357         * tree-data-ref.c: New file.
5358         * tree-data-ref.h: New file.
5359         * tree.c (int_cst_value, tree_fold_gcd): New functions.
5360         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
5361
5362 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5363
5364         PR target/13926
5365         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
5366         * config/sparc/sparc.c (output_ubranch): New function.
5367         * config/sparc/sparc.md (jump pattern): Use it.
5368
5369 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5370
5371         PR target/16494
5372         * config/sparc/sparc.c (output_cbranch): Properly guard
5373         the code handling far branches with TARGET_V9.
5374         * config/sparc/sparc.md (length attribute): Document the
5375         side-effect of having a length greater or equal to 3.
5376
5377 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5378             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
5379
5380         PR target/15186
5381         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
5382         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
5383
5384 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5385             Martin Sebor  <sebor@roguewave.com>
5386
5387         PR target/12602
5388         * doc/invoke.texi (SPARC options): Document -threads
5389         and -pthreads on Solaris.
5390
5391 2004-07-13  Richard Henderson  <rth@redhat.com>
5392
5393         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
5394         by reference.
5395         (ind_gimplify_va_arg_expr): Remove.
5396         * tree.h (ind_gimplify_va_arg_expr): Remove.
5397         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
5398         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
5399         argsp to be null.
5400
5401         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
5402         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
5403         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
5404         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
5405         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
5406
5407 2004-07-13  Richard Henderson  <rth@redhat.com>
5408
5409         * function.c (pass_by_reference): New.
5410         (assign_parm_find_data_types): Use it.
5411         * calls.c (initialize_argument_information): Likewise.
5412         (emit_library_call_value_1): Likewise.
5413         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
5414         * function.h (pass_by_reference): Declare.
5415
5416 2004-07-13  Richard Henderson  <rth@redhat.com>
5417
5418         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
5419         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
5420         * expr.h (MUST_PASS_IN_STACK): Remove.
5421         * system.h (MUST_PASS_IN_STACK): Poison.
5422         * tree.h (must_pass_in_stack_var_size): Declare.
5423         (must_pass_in_stack_var_size_or_pad): Declare.
5424         * calls.c (must_pass_in_stack_var_size): New.
5425         (must_pass_in_stack_var_size_or_pad): Rename from
5426         default_must_pass_in_stack.
5427         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
5428         (TARGET_MUST_PASS_IN_STACK): New.
5429         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
5430         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
5431         (TARGET_MUST_PASS_IN_STACK): New.
5432         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
5433         * config/frv/frv.c (frv_must_pass_in_stack): New.
5434         (TARGET_MUST_PASS_IN_STACK): New.
5435         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
5436         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
5437         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
5438         (ix86_must_pass_in_stack): Make static.
5439         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
5440         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
5441         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
5442         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
5443         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
5444         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
5445         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
5446         (mcore_must_pass_on_stack): Remove.
5447         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
5448         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
5449         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
5450         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
5451         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
5452         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
5453         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
5454         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
5455         (TARGET_MUST_PASS_IN_STACK): New.
5456         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
5457         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
5458         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
5459         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
5460         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
5461         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
5462         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
5463         MUST_PASS_IN_STACK.
5464
5465         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
5466         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
5467         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
5468         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
5469         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
5470         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
5471         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
5472         config/xtensa/xtensa.c: Use target hook.
5473
5474 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
5475
5476         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
5477         * configure: Rebuilt.
5478
5479 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
5480
5481         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
5482         * config/mips/mips.h (mips_reg_names): Don't declare.
5483         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
5484         (TARGET_NAME_REGS): Delete.
5485         (TARGET_SWITCHES): Remove -mrnames.
5486         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
5487         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
5488         in REGISTER_NAMES.
5489         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
5490         (override_options): Remove handling of TARGET_NAME_REGS.
5491
5492 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
5493
5494         * config/mips/mips.h (TARGET_*): Boolify.
5495
5496 2004-07-12  Nick Clifton  <nickc@redhat.com>
5497
5498         * config.gcc: Add sh-*-symbianelf target.
5499         * config/sh/sh.c: Add new target macros:
5500         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
5501         TARGET_CXX_IMPORT_EXPORT_CLASS.
5502         (sh_file_start): Create a definition of the .directive section.
5503         (sh_attribute): Add dllimport and dllexport attributes.
5504         * config/sh/symbian-pre.h: New file.
5505         * config/sh/symbian-post.h: New file.
5506         * config/sh/symbian.c: New file. Contains Symbian specific
5507         functions.
5508         * config/sh/sh-protos.h: Add prototypes for new functions
5509         provided by symbian.c.
5510         * config/sh/t-symbian: New file.
5511         * doc/extend.texi: Document support for dllimport and dllexport
5512         attributes by the sh-symbianelf target.
5513
5514 2004-07-12  James E Wilson  <wilson@specifixinc.com>
5515
5516         * Makefile.in (AR): Use @AR@ not ar.
5517         (NM): New.
5518         (AR_FOR_TARGET): Use $(AR) not ar for native.
5519         (NM_FOR_TARGET): Use $(NM) not nm for native.
5520         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
5521         * configure: Regenerate.
5522
5523 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
5524
5525         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
5526         special case.
5527         (ashldi3_sp64): Likewise.
5528
5529 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5530
5531         PR target/16477
5532         * pa.c (function_arg): Update comment.
5533         * pa.h (BLOCK_REG_PADDING): Define.
5534
5535 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5536
5537         PR tree-optimization/16461
5538         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
5539         arguments of phi nodes.
5540
5541 2004-07-12  Devang Patel  <dpatel@apple.com>
5542
5543         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
5544
5545 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
5546
5547         * function.c (expand_function_start): Ensure r_save is in Pmode.
5548         * calls.c (prepare_call_address): Ensure static_chain_value is
5549         in Pmode.
5550         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
5551         r_save_area are in Pmode.
5552         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
5553         fnaddr, and static_chain are in Pmode.
5554
5555 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
5556
5557         PR target/16445
5558         * config/ia64/ia64.c (bundling): Don't count ignored insns.
5559
5560 2004-07-12  Richard Henderson  <rth@redhat.com>
5561
5562         * target.h (struct gcc_target): Move gimplify_va_arg_expr
5563         next to build_builtin_va_list.
5564         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
5565         * builtins.c (gimplify_va_arg_expr): Likewise.
5566         * gimplify.c (copy_if_shared_r): Likewise.
5567
5568 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
5569
5570         * passes.c (rest_of_decl_compilation): Don't defer call of
5571         assemble_variable if its DECL_RTL is already set.
5572
5573 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
5574
5575         * cfgloop.h (struct loop): Add nb_iterations field.
5576         (current_loops): Declare.
5577         * tree-chrec.c (chrec_not_analyzed_yet,
5578         chrec_dont_know, chrec_known, count_ev_in_wider_type,
5579         chrec_contains_symbols_defined_in_loop): Remove the temporary
5580         hooks.
5581         * tree-flow-inline.h (loop_containing_stmt): New function.
5582         * tree-scalar-evolution.c: Add implementation.
5583         * tree-scalar-evolution.h: Add declarations.
5584
5585 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
5586
5587         PR rtl-optimization/15921
5588         * Makefile.in (global.o): Add recog.h.
5589
5590         * global.c (recog.h): Add the include-clause.
5591         (bb_info): New member earlyclobber.
5592         (allocate_bb_info, free_bb_info): Initialize/finish the new
5593         member.
5594         (earlyclobber_regclass, earlyclobber_regclass_length): The new
5595         global variables.
5596         (check_earlyclobber, regclass_intersect,
5597         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
5598         New functions.
5599         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
5600         (make_accurate_live_analysis): Modify pavin.
5601
5602 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
5603
5604         * tree-cfg.c (find_taken_edge): Statically compute the truth
5605         value of a predicate comparing an SSA_NAME to itself.
5606
5607 2004-07-12  Roger Sayle  <roger@eyesopen.com>
5608
5609         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
5610         rs6000 doesn't have shift-and-add or shift-and-sub instructions
5611         by returning the cost of a multiplication plus an addition.
5612
5613 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
5614
5615         PR tree-optimization/14107
5616         * gimplify.c (gimplify_return_expr): Accept a
5617         RETURN_EXPR with an error argument.
5618         * tree-optimize.c (init_tree_optimization_passes):
5619         Run pass_warn_function_return at -O0.
5620
5621 2004-07-12  Roger Sayle  <roger@eyesopen.com>
5622
5623         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
5624         index entry.
5625
5626 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
5627
5628         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
5629         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
5630         * config/mips/3000.md: Add copyright notice.  Remove automota and
5631         function units; use generic ones instead.  Only define reservations
5632         for things that are different from generic.md.  Extend each clause
5633         to include r3900.
5634         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
5635         * config/mips/mips.md: Include them. Remove define_function_units.
5636         (alu, imuldiv): New automata and units.
5637
5638 2004-07-12  Ben Elliston  <bje@au.ibm.com>
5639
5640         * doc/invoke.texi (Optimize Options): Document -frename-registers
5641         not being enabled by default at -O3.
5642
5643 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5644
5645         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
5646         floating point additions, to keep real immediate constant positive.
5647         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
5648         into X + C, and leave positive real constants as X - C.
5649
5650 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5651
5652         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
5653
5654 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5655
5656         PR tree-optimization/15654
5657         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
5658
5659 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5660
5661         * builtins.c (fold_builtin_fputs): Don't bother converting the
5662         return type to integer_type_node, as we've already checked that
5663         the result will be ignored.
5664
5665         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
5666         that signed addition, subtraction, multiplication, division,
5667         remainder, negation and absolute value may potentially trap.
5668
5669         * fold-const.c (fold_ignored_result): New function to strip
5670         non-side-effecting tree nodes from an expression whose result
5671         is ignored.
5672         (fold_convert): Call fold_ignored_result when casting a value
5673         to VOID_TYPE.
5674         (omit_one_operand):  Call fold_ignored_result on the "omitted"
5675         operand when building a COMPOUND_EXPR.
5676         (pedantic_omit_one_operand): Likewise.
5677         * tree.h (fold_ignored_result): Prototype here.
5678         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
5679         when we're going to ignore the result.
5680
5681 2004-07-11  Richard Henderson  <rth@redhat.com>
5682
5683         PR tree-opt/16383
5684         * tree-ssa-ccp.c (fold_stmt_r): Split out...
5685         * tree.c (fields_compatible_p, find_compatible_field): ... new.
5686         * tree.h (fields_compatible_p, find_compatible_field): Declare.
5687         * tree-sra.c (sra_hash_tree): Hash fields by offset.
5688         (sra_elt_eq): Use fields_compatible_p.
5689         (generate_one_element_ref): Use find_compatible_field.
5690
5691 2004-07-11  Richard Henderson  <rth@redhat.com>
5692
5693         PR tree-opt/16422
5694         * tree-sra.c (generate_one_element_init): New.
5695         (generate_element_init): Use it.
5696         (scalarize_init): Push/pop gimplify context around it.
5697         (find_new_referenced_vars_1, find_new_referenced_vars): New.
5698         * gimplify.c (gimplify_expr): Allow SSA_NAME.
5699
5700 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5701
5702         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
5703         combine.c's combine_insn_cost.
5704         * rtl.h (insn_rtx_cost): Prototype here.
5705         * combine.c (combine_insn_cost): Delete function.
5706         (combine_validate_cost): Update callers of combine_insn_cost to
5707         call insn_rtx_cost instead.
5708         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
5709         requesting the rtx_cost of call and/or jump instructions.
5710
5711         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
5712         rtx_cost directly.  Don't request/use the cost of call or jump
5713         instructions.  Return -1 if the cost of any instruction can't be
5714         determined (or the BB contains a function call).
5715         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
5716         -1 (i.e. can't determine the cost of any instruction or the basic
5717         block contains a subroutine call).
5718         (find_if_case_2): Likewise.
5719
5720 2004-07-11  Roger Sayle  <roger@eyesopen.com>
5721
5722         * rs6000.c (struct processor_costs): Change semantics of fields to
5723         include the COST_N_INSNS scaling, and update all initializers.
5724         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
5725         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
5726         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
5727         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
5728
5729 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5730
5731         * LANGUAGES: Remove obsolete information.
5732
5733 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
5734
5735         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
5736         SIGBUS signal frames, the PSW address points *to* the faulting
5737         instruction, not after it.
5738
5739 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
5740
5741         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
5742         added to TLS symbol addresses.
5743
5744 2004-07-11  Richard Henderson  <rth@redhat.com>
5745
5746         * expmed.c (init_expmed): Use stack-local structures for
5747         temporary rtl.  Don't recognize shifts.
5748
5749 2004-07-11  Richard Henderson  <rth@redhat.com>
5750
5751         * expr.c (store_expr): Don't fiddle subreg promotion for types
5752         with precision smaller than the mode.
5753
5754 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5755
5756         * tree.h (all_types_permanent): Remove.
5757
5758 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5759
5760         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
5761         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
5762         * langhooks.c (lhd_clear_binding_stack): Remove.
5763         * langhooks-def.h (lhd_clear_binding_stack,
5764         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
5765         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
5766         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
5767         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
5768         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
5769         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
5770         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
5771         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
5772         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
5773         * tree.h (poplevel): Don't declare.
5774         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
5775         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
5776         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
5777         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
5778         Remove.
5779
5780 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5781
5782         PR tree-optimization/16437
5783         * c-common.c (shorten_compare): Don't mark result of conversion to
5784         narrower signed type as overflowing.
5785         * fold-const.c (decode_field_reference): Determine whether
5786         signedness comes from outer type using precision rather than size.
5787
5788 2004-07-11  Phil Edwards  <phil@codesourcery.com>
5789
5790         * configure.ac:  Alphabetize --enable-checking list, add
5791         missing valgrind entry.
5792         * configure:  Regenerate.
5793
5794 2004-07-11  Phil Edwards  <phil@codesourcery.com>
5795
5796         * doc/install.texi (Testing):  Fix syntax in "make check" example.
5797
5798 2004-07-10  James E Wilson  <wilson@specifixinc.com>
5799
5800         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
5801
5802 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5803
5804         PR rtl-optimization/16001
5805         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
5806         niter_expr.
5807
5808 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
5809
5810         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
5811
5812 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
5813             James Morrison  <phython@gcc.gnu.org>
5814
5815         * doc/contrib.texi (Contributors): Add gfortran contributors and
5816         fix a couple of typos.
5817
5818 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5819
5820         PR rtl-optimization/15387
5821         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
5822         to incoming args space correctly.
5823
5824 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5825
5826         * pa.c (output_indirect_call): Only use %r2 as the link register in
5827         indirect calls with the long PA 2.0 pc-relative branch.
5828
5829 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
5830
5831         * config/i386/i386.c (override_options): Pick a 64-bit CPU
5832         for the default tuning if TARGET_64BIT.
5833
5834 2004-07-10  Richard Henderson  <rth@redhat.com>
5835
5836         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
5837         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
5838
5839 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
5840
5841         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
5842         * expmed.c (store_bit_field, extract_bit_field): Remove last
5843         argument.
5844         * builtins.c (expand_builtin_signbit): Adjust callers.
5845         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
5846         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
5847         * ifcvt.c (noce_emit_move_insn): Likewise.
5848         * stmt.c (expand_return): Likewise.
5849         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
5850         store_field, expand_expr_real_1): Likewise.
5851
5852 2004-07-10  Richard Henderson  <rth@redhat.com>
5853
5854         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
5855
5856 2004-07-09  Mike Stump  <mrs@apple.com>
5857
5858         * config/darwin.c (no_dead_strip): Add.
5859         (HAVE_DEAD_STRIP): Add.
5860         (darwin_emit_unwind_label): Ensure that we don't dead code strip
5861         the .eh label.
5862
5863 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5864
5865         * tree-ssa-loop-im.c: New file.
5866         * Makefile.in (tree-ssa-loop-im.o): Add.
5867         * cfgloop.c (superloop_at_depth): New function.
5868         * cfgloop.h (superloop_at_depth): Declare.
5869         * common.opt (ftree-lim): New flag.
5870         * expr.c (array_ref_up_bound): New function.
5871         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
5872         * timevar.def (TV_LIM): New timevar.
5873         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
5874         computing immediate uses of a phi node.
5875         * tree-flow.h (struct tree_ann_common_d): Add aux field.
5876         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
5877         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
5878         * tree-pass.h (pass_lim): Declare.
5879         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
5880         functions.
5881         (pass_lim): New pass structure.
5882         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
5883         * tree.c (in_array_bounds_p): New function.
5884         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
5885         (in_array_bounds_p, array_ref_up_bound): Declare.
5886         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
5887         * doc/passes.texi (tree-ssa-loop-im.c): Document.
5888
5889 2004-07-09  Richard Henderson  <rth@redhat.com>
5890
5891         * builtins.c (expand_builtin_stpcpy): Don't modify len.
5892
5893         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
5894         with prejudice.
5895
5896 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
5897
5898         * flags.h: Delete redundant prototypes that are being generated
5899         in options.h from common.opt.
5900         * common.opt: Add in the expository comments formerly in flags.h.
5901
5902 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5903
5904         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
5905         available for use only when TARGET_MMX/_SSE is set, and check for
5906         variable argument function if any register count is non-zero.
5907         (function_arg): Correctly suppress repeated warnings for passing SSE
5908         vectors are arguments without SSE enabled.
5909         (ix86_function_arg_boundary): Without SSE enabled, the use of what
5910         would be SSE register modes does no longer influence the alignment.
5911
5912 2004-07-09  Richard Henderson  <rth@redhat.com>
5913
5914         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
5915         Always align upward to arg boundary.  Use size_in_bytes/round_up.
5916         Maintain type-correctness of constants.
5917         * stor-layout.c (round_up, round_down): Special-case powers of 2.
5918
5919 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
5920
5921         * config/sparc/sparc.c (*_costs): Scale instruction costs
5922         by COSTS_N_INSNS.
5923         (sparc_rtx_costs): Adjust as appropriate.
5924
5925 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5926
5927         * config/i386/mm3dnow.h: New.
5928         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
5929
5930 2004-07-09  Richard Henderson  <rth@redhat.com>
5931
5932         * simplify-rtx.c (simplify_const_relational_operation): Only
5933         look at bounds of scalar integers.
5934
5935 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5936
5937         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
5938
5939 2004-07-09  Andrew Pinski  <apinski@apple.com>
5940
5941         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
5942         always referenced.
5943         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
5944         UOBJC_METACLASS_decl.
5945
5946 2004-07-09  James E Wilson  <wilson@specifixinc.com>
5947
5948         PR target/16364
5949         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
5950         do return a parallel if hfa_mode == XFmode and mode == TImode.
5951
5952 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5953
5954         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
5955         permissible for unary plus.
5956
5957 2004-07-09  Jan Beulich  <jbeulich@novell.com>
5958
5959         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
5960         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
5961         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
5962         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
5963         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
5964         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
5965         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
5966         (BUILTIN_xxxIMAX): New.
5967         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
5968         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
5969         BUILT_IN_PARITYIMAX.
5970
5971 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
5972
5973         * config/sparc/sparc.h (processor_costs): Define.
5974         (sparc_costs): Declare.
5975         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
5976         hypersparc_costs, sparclet_costs, ultrasparc_costs,
5977         ultrasparc3_costs): New.
5978         (sparc_override_options): Set sparc_costs as appropriate.
5979         (sparc_rtx_costs): Use sparc_costs instead of messy
5980         conditionals.
5981
5982 2004-07-09  Steven Bosscher  <stevenb@suse.de>
5983
5984         * doc/md.texi (Processor pipeline description): Mention that
5985         the old pipeline description is deprecated.
5986
5987         * config/rs6000/7450.md (automaton ppc7450): Split up, move
5988         mciu_7450 function unit to...
5989         (automaton ppc7450mciu): ...new automaton.
5990
5991         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
5992         (schedule_block): Don't consider inserting bubbles.
5993         (sched_init): Don't initialize DFA bubbles.
5994         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
5995         TARGET_SCHED_DFA_BUBBLE): Remove.
5996         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
5997         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
5998         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
5999
6000         * stmt.c (conditional_context): Remove prototype.
6001         * tree.h (conditional_context): Remove.
6002         * tree-cfg.c (pre_insert_on_edge): Remove.
6003
6004         * c-common.h (c_expand_asm_operands): Remove prototype.
6005         * c-typeck.c (c_expand_asm_operands): Remove.
6006
6007 2004-07-09  Jan Beulich  <jbeulich@novell.com>
6008
6009         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
6010         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
6011         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
6012         and V8QI are class SSE. All sufficiently small remaining vector modes
6013         must be passed in one or two integer registers.
6014         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
6015         returned in memory.
6016         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
6017         __builtin_ia32_pmuludq128 have non-uniform argument and return types
6018         and must thus be handled explicitly.
6019         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
6020         MMX and XMM regs.
6021         (movv8qi_internal, movv4hi_internal, movv2si_internal,
6022         movv2sf_internal): Permit moving between MMX and XMM registers (since
6023         MMX areguments and return values are passed in XMM registers).
6024         (sse2_umulsidi3): Correct type and mode.
6025
6026 2004-07-09  Richard Henderson  <rth@redhat.com>
6027
6028         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
6029
6030 2004-07-09  Eric Christopher  <echristo@redhat.com>
6031
6032         * config/rs6000/40x.md: Split into two automatons.
6033
6034 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
6035             Andrew Pinski  <apinski@apple.com>
6036
6037         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
6038         on when we have more than one input file.
6039         (c_common_parse_file): Restore loop over all input files.
6040         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
6041
6042         * c-decl.c (set_type_context): New function.
6043         (pop_scope): Use it to set context of types.  When we
6044         encounter a TYPE_DECL, set the context of the attached type too.
6045         (pop_file_scope): Don't call cpp_undef_all here.
6046         (diagnose_mismatched_decls): Do not complain about a second
6047         definition of an 'extern inline' function if it's not in the
6048         same translation unit.  Do not complain about inline
6049         declaration after use if the use was in a different
6050         translation unit.
6051         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
6052         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
6053         the external scope.
6054         (pushdecl_top_level): Likewise.
6055         (grokdeclarator): Clarify what is going on with setting
6056         DECL_EXTERNAL on function types, a little.
6057         (c_write_global_declarations): Don't do anything if
6058         -fsyntax-only or errors have been encountered.
6059
6060 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
6061
6062         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
6063
6064 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6065
6066         PR target/16459
6067         * pa.c (output_indirect_call): Use %r2 as the link register when
6068         calling $$dyncall with a pc-relative branch.
6069
6070 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
6071
6072         * doc/install.texi (Binaries): Mention OpenPKG.
6073
6074 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
6075
6076         Fix PR tree-optimization/15555
6077         * tree-dfa.c (dump_variable): If the variable is a pointer
6078         SSA_NAME, also dump its points-to information.
6079         * tree-flow.h (struct ptr_info_def): Add field
6080         is_dereferenced.
6081         (dump_points_to_info_for): Declare.
6082         (debug_points_to_info_for): Declare.
6083         * tree-optimize.c (init_tree_optimization_passes): Add a
6084         second alias analysis pass after DOM2.
6085         Move pass_del_pta to a later spot.
6086         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
6087         create a name tags when we find a dereferenced pointer.  Just
6088         mark the pointer dereferenced.
6089         (collect_points_to_info_for): Move code to clear points-to
6090         information to create_name_tags.
6091         (create_name_tags): New function.
6092         (compute_flow_sensitive_aliasing): Call it.
6093         (setup_pointers_and_addressables): Mark type tags for renaming
6094         here instead of ...
6095         (create_memory_tag): ... here.
6096         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
6097         (dump_points_to_info_for): Declare extern.
6098         (debug_points_to_info_for): New function.
6099
6100 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
6101
6102         * config/arc/arc.md: Switch to DFA-based scheduler description.
6103         * config/arc/arc.c: Switch to DFA-based scheduler description.
6104
6105 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6106
6107         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
6108         pointer.
6109
6110 2004-07-09  Richard Henderson  <rth@redhat.com>
6111
6112         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
6113         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6114         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
6115         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
6116
6117         * config/v850/v850-protos.h (v850_va_arg): Remove.
6118         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6119         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
6120         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
6121         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
6122         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
6123
6124 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6125
6126         PR target/12133
6127         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
6128         and DImode to use +/-4k offset.
6129
6130 2004-07-09  Richard Henderson  <rth@redhat.com>
6131
6132         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
6133         Remove.
6134         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6135         (xstormy16_gimplify_va_arg_expr): Rewrite from
6136         xstormy16_expand_builtin_va_arg.
6137         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
6138
6139         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
6140         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
6141
6142         * config/sh/sh-protos.h (sh_va_arg): Remove.
6143         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6144         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
6145         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
6146
6147         * config/pa/pa-protos.h (hppa_va_arg): Remove.
6148         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6149         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
6150         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
6151
6152         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
6153         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6154         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
6155         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
6156
6157 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
6158
6159         * config/sparc/sparc.md (return): Rewrite length formula.
6160         * config/sparc/sparc.c (output_return): Pass 1 as 5th
6161         argument to final_scan_insn when in a delay slot.
6162         (output_sibcall): Likewise.
6163
6164 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
6165
6166         * arm.c (arm_cpp_interwork): New variable.
6167         (arm_override_options): Set it if TARGET_INTERWORK was on the command
6168         line.
6169         * arm.h (arm_cpp_interwork): Declare it.
6170         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
6171         __THUMB_INTERWORK__ in the preprocessor.
6172
6173 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
6174
6175         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
6176
6177 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
6178
6179         PR target/16416
6180         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
6181         Override default settings to account for -m32 and -m64.
6182
6183 2004-07-08  Randolph Chung  <tausq@debian.org>
6184
6185         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
6186
6187 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
6188
6189         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
6190         before comparing it as such.
6191
6192 2004-07-08  Richard Henderson  <rth@redhat.com>
6193
6194         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
6195         temporary.  Use bit arithmetic to align.
6196
6197 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
6198
6199         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
6200         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
6201         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
6202         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
6203         add_labels_and_missing_jumps, find_jump_block,
6204         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
6205         Likewise.
6206         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
6207         link_btr_uses, move_btr_def): Likewise.
6208         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
6209         expand_builtin_expect_jump): Likewise.
6210         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
6211         * calls.c (expand_call, emit_library_call_value_1): Likewise.
6212         * cfganal.c (forwarder_block_p): Likewise.
6213         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
6214         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
6215         find_bb_boundaries): Likewise.
6216         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6217         merge_blocks_move_predecessor_nojumps,
6218         merge_blocks_move_successor_nojumps, insns_match_p,
6219         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
6220         try_optimize_cfg): Likewise.
6221         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
6222         * cfglayout.c (skip_insns_after_block, label_for_bb,
6223         record_effective_endpoints, insn_locators_initialize,
6224         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
6225         * cfgmainloop.c (create_loop_notes): Likewise.
6226         * cfgrtl.c (delete_insn, delete_insn_chain,
6227         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
6228         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
6229         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
6230         redirect_branch_edge, force_nonfallthru_and_redirect,
6231         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
6232         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
6233         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
6234         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
6235         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
6236         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
6237         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
6238         * combine.c (combine_instructions, can_combine_p, try_combine,
6239         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
6240         distribute_notes, distribute_links, insn_cuid): Likewise.
6241         * cse.c (fold_rtx, cse_insn, cse_around_loop,
6242         invalidate_skipped_block, cse_set_around_loop,
6243         cse_end_of_basic_block, cse_main, cse_basic_block,
6244         cse_condition_code_reg): Likewise.
6245         * cselib.c (cselib_process_insn): Likewise.
6246         * ddg.c (create_ddg): Likewise.
6247         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
6248         Likewise.
6249         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
6250         gen_label_die, dwarf2out_var_location): Likewise.
6251         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
6252         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
6253         last_call_insn, active_insn_p, next_label, prev_label,
6254         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
6255         add_insn_before, remove_insn, add_function_usage_to,
6256         reorder_insns, find_line_note, remove_unnecessary_notes,
6257         emit_insn_after_1, classify_insn): Likewise.
6258         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
6259         connect_post_landing_pads, sjlj_mark_call_sites,
6260         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
6261         can_throw_internal, can_throw_external, set_nothrow_function_flags,
6262         convert_to_eh_region_ranges): Likewise.
6263         * explow.c (optimize_save_area_alloca): Likewise.
6264         * expr.c (expand_expr_real): Likewise.
6265         * final.c (insn_current_reference_address, compute_alignments,
6266         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
6267         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
6268         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
6269         propagate_block_delete_insn, propagate_one_insn,
6270         init_propagate_block_info, propagate_block, libcall_dead_p,
6271         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
6272         Likewise.
6273         * function.c (instantiate_virtual_regs, reorder_blocks_1,
6274         expand_function_start, expand_function_end, contains,
6275         thread_prologue_and_epilogue_insns,
6276         reposition_prologue_and_epilogue_notes): Likewise.
6277         * gcse.c (constprop_register, bypass_conditional_jumps,
6278         insert_insn_end_bb, gcse_after_reload): Likewise.
6279         * genemit.c (gen_expand, gen_split): Likewise.
6280         * genpeep.c (gen_peephole, main): Likewise.
6281         * global.c (build_insn_chain): Likewise.
6282         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
6283         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
6284         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
6285         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
6286         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
6287         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
6288         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
6289         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
6290         dead_or_predicable): Likewise.
6291         * integrate.c (try_constants): Likewise.
6292         * jump.c (rebuild_jump_labels, cleanup_barriers,
6293         purge_line_number_notes, init_label_info, mark_all_labels,
6294         squeeze_notes, get_label_before, get_label_after,
6295         reversed_comparison_code_parts, simplejump_p, pc_set,
6296         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
6297         delete_barrier, delete_prior_computation, delete_computation,
6298         delete_related_insns, delete_for_peephole, redirect_jump):
6299         Likewise.
6300         * lcm.c (optimize_mode_switching): Likewise.
6301         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
6302         Likewise.
6303         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
6304         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
6305         * loop-iv.c (simplify_using_assignment): Likewise.
6306         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
6307         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
6308         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
6309         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
6310         check_insn_for_givs, check_final_value, update_giv_derive,
6311         basic_induction_var, product_cheap_p, check_dbra_loop,
6312         loop_insn_first_p, last_use_this_basic_block,
6313         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
6314         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
6315         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
6316         sms_schedule_by_order): Likewise.
6317         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
6318         * postreload.c (reload_cse_simplify_operands, reload_combine,
6319         reload_cse_move2add): Likewise.
6320         * predict.c (can_predict_insn_p, estimate_probability,
6321         expected_value_to_br_prob, process_note_predictions): Likewise.
6322         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
6323         * profile.c (branch_prob): Likewise.
6324         * ra-build.c (live_out_1, livethrough_conflicts_bb,
6325         detect_webs_set_in_cond_jump): Likewise.
6326         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
6327         ra_print_rtl_with_bb): Likewise.
6328         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
6329         * recog.c (next_insn_tests_no_inequality, find_single_use,
6330         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
6331         * reg-stack.c (next_flags_user, record_label_references,
6332         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
6333         compensate_edge, convert_regs_1): Likewise.
6334         * regclass.c (scan_one_insn): Likewise.
6335         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
6336         regmove_optimize, fixup_match_1, single_set_for_csa,
6337         combine_stack_adjustments_for_block): Likewise.
6338         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
6339         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
6340         find_equiv_reg): Likewise.
6341         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
6342         reload_as_needed, emit_input_reload_insns, do_output_reload,
6343         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
6344         Likewise.
6345         * reorg.c (find_end_label, emit_delay_sequence,
6346         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
6347         get_jump_flags, rare_destination, mostly_true_jump,
6348         try_merge_delay_insns, redundant_insn, own_thread_p,
6349         fill_simple_delay_slots, fill_slots_from_thread,
6350         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
6351         dbr_schedule): Likewise.
6352         * resource.c (find_basic_block, next_insn_no_annul,
6353         find_dead_or_set_registers, mark_target_live_regs): Likewise.
6354         * rtl.h (RTX_PREV): Likewise.
6355         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
6356         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
6357         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
6358         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
6359         tablejump_p, computed_jump_p, insns_safe_to_move_p,
6360         find_first_parameter_load, can_hoist_insn_p): Likewise.
6361         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
6362         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
6363         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
6364         schedule_ebbs): Likewise.
6365         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
6366         is_conditionally_protected, can_schedule_ready_p,
6367         add_branch_dependences, debug_dependencies): Likewise.
6368         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
6369         Likewise.
6370         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
6371         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
6372         set_dominates_use, ujump_to_loop_cont): Likewise.
6373         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
6374         * varasm.c (output_constant_pool_1): Likewise.
6375
6376 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6377
6378         * tree-scalar-evolution.c: New file.
6379         * tree-scalar-evolution.h: New file.
6380         * tree-ssa-loop-niter.c: New file.
6381         * Makefile.in (SCEV_H): New.
6382         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
6383         * cfgloop.h (struct loop): Add bounds field.
6384         * tree-flow.h (struct tree_niter_desc): New type.
6385         (number_of_iterations_cond, number_of_iterations_exit,
6386         loop_niter_by_eval, find_loop_niter_by_eval,
6387         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
6388         free_numbers_of_iterations_estimates): Declare.
6389         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
6390         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
6391         * doc/invoke.texi (max-iterations-to-track): Document.
6392
6393 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
6394
6395         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
6396         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
6397         (MODE_AFTER): Add cast appropriately.
6398         * config/sh/sh.md (movdi splitter): Likewise.
6399         (casesi_worker_2): Add const qualifier appropriately.
6400         (eh_return): Remove unused variable.
6401         (insv): Initialize v;
6402
6403 2004-07-08  Richard Henderson  <rth@redhat.com>
6404
6405         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
6406         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6407         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
6408         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
6409         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
6410
6411         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
6412         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6413         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
6414         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
6415
6416         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
6417         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6418         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
6419         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
6420
6421         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
6422         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6423         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
6424         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
6425
6426         * config/i860/i860-protos.h (i860_va_arg): Remove.
6427         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6428         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
6429         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
6430
6431 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
6432
6433         * system.h: Prototype getpagesize if missing.
6434         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
6435         * configure: Regenerate.
6436         * config.in: Regenerate.
6437
6438 2004-07-08  Richard Henderson  <rth@redhat.com>
6439
6440         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
6441         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6442         (fr30_gimplify_va_arg_expr): New.
6443         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
6444         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
6445
6446 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
6447
6448         PR target/16414
6449         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
6450         of asm_noperands result.
6451
6452 2004-07-08  Richard Henderson  <rth@redhat.com>
6453
6454         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
6455         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6456         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
6457         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
6458
6459 2004-07-08  Richard Henderson  <rth@redhat.com>
6460
6461         * builtins.c (ind_gimplify_va_arg_expr): New.
6462         * tree.h (ind_gimplify_va_arg_expr): Declare.
6463         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
6464
6465 2004-07-08  Jan Beulich  <jbeulich@novell.com>
6466
6467         * expmed.c (extract_bit_field): Correct condition to use vec_extract
6468         patterns also on vector elements other than the first one.
6469         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
6470         break statements.
6471
6472 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
6473
6474         * config/rs6000/darwin-ldouble.c: Correct reference
6475         to the Linnainmaa paper.
6476
6477 2004-07-08  Richard Henderson  <rth@redhat.com>
6478
6479         * config/arc/arc-protos.h (arc_va_arg): Remove.
6480         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6481         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
6482         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
6483
6484         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
6485         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
6486         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
6487         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
6488
6489 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6490
6491         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
6492
6493 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
6494
6495         * c-decl.c (static_ctors, static_dtors): Make static.
6496         (pop_file_scope): Call c_common_write_pch and
6497         cgraph_finalize_compilation_unit here.
6498         (build_cdtor): Moved here from c-objc-common.c; simplify.
6499         (c_write_global_declarations_1): Clarify comment.
6500         (c_write_global_declarations): Close the external scope before
6501         doing anything else.  Call build_cdtor, cgraph_optimize, and
6502         mudflap_finish_file here.
6503         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
6504         Clarify comment.
6505         * c-objc-common.c: No need to include cgraph.h.
6506         (build_cdtor): Moved to c-decl.c.
6507         (c_objc_common_finish_file): Delete.
6508         * c-tree.h: Update to match.
6509         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
6510         (generate_static_references): Set TREE_USED before calling finish_decl.
6511         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
6512         on the static_instances_decl.
6513
6514 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
6515
6516         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
6517         decls when there is only one input translation unit.
6518         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
6519         change of 2004-07-05; do not treat declarations with
6520         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
6521         * opts.c (cur_in_fname): Delete.
6522         * opts.h: Likewise.
6523         * tree.c: Revert changes of 2004-07-05; no special treatment
6524         for TRANSLATION_UNIT_DECLs.
6525         * Makefile.in (tree.o): Update dependencies.
6526
6527 2004-07-08  Roger Sayle  <roger@eyesopen.com>
6528
6529         * builtins.c (fold_builtin_strcpy): Merge functionality from
6530         simplify_builtin_strcpy.  Add additional len argument.  No longer
6531         static.  Remove function prototype.
6532         (fold_builtin_strncpy): Likewise integrate functionality from
6533         simplify_builtin_strncpy.  Add additional slen argument.  No
6534         longer static.  Remove function prototype.
6535         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
6536         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
6537         types of "ignore" and "unlocked" parameters to bool.
6538         (fold_builtin_1):  Add additional ignore argument.  Call renamed
6539         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
6540         builtins.  Update arguments to fold_builtin_strncpy and
6541         fold_builtin_strcpy.  Add function prototype.
6542         (fold_builtin): Add additional Boolean ignore argument to pass
6543         to fold_builtin_1.
6544         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
6545         and fold_builtin_strncpy instead of simplify_builtin_fputs,
6546         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
6547
6548         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
6549         simplify_builtin_strncpy): Delete function prototypes.
6550         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
6551         fold_builtin_strncpy): Add function prototypes here.
6552         (fold_builtin): Update function prototype with new "bool ignore".
6553
6554         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
6555         (ccp_fold_builtin):  Update call to fold_builtin.  Call
6556         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
6557         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
6558         simplify_builtin_strncpy respectively.
6559         * fold-const.c (fold): Update call to fold_builtin.
6560
6561 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
6562
6563         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
6564         to strcpy.
6565
6566         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
6567         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
6568         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
6569         * calls.c: Remove ifdefs of macros above.
6570         * functions.c: Likewise.
6571         * expr.c: Likewise.
6572
6573 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6574
6575         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
6576         (arch attribute): Delete.
6577         (current_function_calls_alloca attribute): Rename into calls_alloca.
6578         (calls_eh_return): New attribute.
6579         (leaf_function): Likewise.
6580         (length attribute): Fix formula for sibcalls.
6581         (return insn): Correctly compute the 'length' attribute.
6582         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
6583
6584 2004-07-08  Richard Henderson  <rth@redhat.com>
6585
6586         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
6587         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
6588         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
6589         * tree-eh.c (lower_eh_constructs_1): Likewise.
6590         * tree-sra.c (sra_walk_modify_expr): Likewise.
6591         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
6592         (eliminate_unnecessary_stmts): Likewise.
6593         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
6594         * tree-tailcall.c (optimize_tail_call): Likewise.
6595         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
6596
6597 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6598             Jakub Jelinek  <jakub@redhat.com>
6599
6600         * config/i386/i386.c (override_options): Enable
6601         SSE prefetches with -mtune, as long as we are
6602         compiling for i686 or higher.  All i686 processors
6603         accept SSE prefetches as NOPS, some i586's don't.
6604
6605 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6606
6607         PR target/10567
6608         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
6609
6610 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
6611
6612         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
6613         the handling of clobbering ASM_EXPRs.
6614
6615 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6616
6617         PR target/16430
6618         * config/sparc/sparc.c (function_value): In 64-bit mode,
6619         return the aggregates larger than 16 bytes like unions.
6620
6621 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6622
6623         PR target/16199
6624         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
6625         'temp' is zero, generate new pseudos as needed and emit the
6626         sequence of insns in single-assignment form.  Resync comments
6627         with code.
6628         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
6629         function before reload.
6630
6631 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
6632
6633         * vec.c (vec_assert_fail): Remove duplicate 'function'.
6634
6635         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
6636
6637         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
6638         Allocation is signed.
6639         (VEC_reserve): Return flag, allocation is signed.
6640
6641 2004-07-08  Richard Henderson  <rth@redhat.com>
6642
6643         * tree-ssa-ccp.c (fold_stmt): Get type directly from
6644         OBJ_TYPE_REF_OBJECT.
6645
6646 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
6647             Neil Booth  <neil@daikokuya.co.uk>
6648
6649         PR c/2511
6650         PR c/3325
6651         * c-decl.c (finish_struct): Ensure bit-fields are given the
6652         correct type.
6653         * c-common.c (c_common_signed_or_unsigned_type): For C, require
6654         the precision to match as well as the mode.
6655         * expr.c (reduce_to_bit_field_precision): New function.
6656         (expand_expr_real_1): Reduce expressions of bit-field type to
6657         proper precision.
6658         * langhooks.h (reduce_bit_field_operations): New hook.
6659         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6660         Define.
6661         * c-lang.c, objc/objc-lang.c
6662         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
6663         * objc/objc-act.c (check_ivars): Convert types to bit-field types
6664         before checking.
6665         * tree.c (build_nonstandard_integer_type): New function.
6666         * tree.h (build_nonstandard_integer_type): New prototype.
6667         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
6668         conversions between integer and boolean types as useless.
6669
6670 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6671
6672         * c-common.c (c_common_nodes_and_builtins): Do not
6673         create __builtin_ptrdiff_t and __builtin_size_t.
6674
6675 2004-07-08  Andrew Pinski  <apinski@apple.com>
6676
6677         * Makefile.in (libbackend.o): Add -combine to the gcc
6678         command line.
6679
6680 2004-07-08  Nick Clifton  <nickc@redhat.com>
6681
6682         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
6683         Set to -Os.
6684
6685 2004-07-08  Richard Henderson  <rth@redhat.com>
6686
6687         * except.c (expand_eh_region_start, expand_eh_region_end,
6688         expand_eh_handler, expand_eh_region_end_cleanup,
6689         expand_start_all_catch, expand_start_catch, expand_end_catch,
6690         expand_end_all_catch, expand_eh_region_end_allowed,
6691         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
6692         expand_eh_region_end_fixup): Remove.
6693         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
6694         cleanups, outer_cleanups, label_chain, exception_region.
6695         (struct goto_fixup): Remove stack_level, cleanup_list_list.
6696         (struct label_chain): Remove.
6697         (struct stmt_status): Remove x_stack_block_stack.
6698         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
6699         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
6700         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
6701         end_cleanup_deferral, last_cleanup_this_contour,
6702         containing_blocks_have_cleanups_or_stack_level,
6703         any_pending_cleanups): Remove.
6704         (expand_null_return_1): Take no arguments.
6705         (expand_label, expand_naked_return, expand_return,
6706         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
6707         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
6708         expand_end_case_type): Don't use any of them.
6709         * calls.c (expand_call): Likewise.
6710         * dojump.c (do_jump): Likewise.
6711         * function.c (expand_function_end): Likewise.
6712         * expr.c (store_expr, expand_expr_real_1): Likewise.
6713         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
6714         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
6715         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
6716         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
6717         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
6718         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
6719         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
6720         for WITH_CLEANUP_EXPR.
6721         (gimple_push_cleanup): Likewise.
6722         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
6723         * print-tree.c (print_node): Likewise.
6724         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
6725         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
6726         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
6727         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
6728         (GOTO_SUBROUTINE_EXPR): Remove.
6729         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
6730         (DECL_TOO_LATE): Remove.
6731         * except.h, tree.h: Update decls.
6732
6733 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
6734
6735         * explow.c (optimize_save_area_alloca): Do not accept parameters.
6736         * passes.c (rest_of_handle_final): Handle symout.
6737         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
6738         Push timevar here.
6739         (rest_of_handle_sched): Break out SMS.  Remove ifs for
6740         flag_schedule_insns and flag_modulo_sched.
6741         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
6742         collect at the end.
6743         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
6744         (rest_of_handle_partition_blocks, rest_of_handle_sms,
6745         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
6746         rest_of_handle_mode_switching, rest_of_handle_jump,
6747         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
6748         rest_of_handle_jump2, rest_of_handle_postreload,
6749         rest_of_handle_flow2, rest_of_clean_state,
6750         rest_of_handle_shorten_branches,
6751         rest_of_handle_prologue_epilogue,
6752         rest_of_handle_branch_target_load_optimize): New.
6753         (rest_of_compilation): Call the above.  Remove ggc_collect
6754         calls moved to rest_of_handle_*.
6755         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
6756
6757         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
6758         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
6759         * except.h (set_nothrow_function_flags): Update comment.
6760         * function.c (current_function_nothrow): Remove.
6761         * output.h (current_function_nothrow): Remove.
6762         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
6763         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
6764
6765 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6766
6767         PR bootstrap/16326
6768         * reorg.c: Revert 2004-06-30 change.
6769         (find_end_label): If HAVE_epilogue and !HAVE_return,
6770         return 0 instead of creating a label at the end of the insn chain.
6771         (optimize_skip): Account for the failure mode of find_end_label.
6772         (fill_simple_delay_slots): Likewise.
6773         (fill_slots_from_thread): Likewise.
6774         (relax_delay_slots): Likewise.
6775
6776 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
6777
6778         * tree-flow.h (addressable_vars): Declare.
6779         * tree-ssa-alias.c (addressable_vars): Define.
6780         (setup_pointers_and_addressables): Add addressable variables
6781         to addressable_vars.
6782         * tree-ssa-operands.c (get_stmt_operands): Move
6783         handling of ASM_EXPRs ...
6784         (get_asm_expr_operands): ... here.
6785         When the ASM_EXPR clobbers memory, also clobber addressable
6786         variables.
6787         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
6788         (delete_tree_ssa): Reset addressable_vars.
6789
6790 2004-07-07  Jan Beulich  <jbeulich@novell.com>
6791             Richard Henderson  <rth@redhat.com>
6792
6793         * varasm.c (assemble_variable): Use assemble_zeros for
6794         zero-initialized variables.
6795         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
6796         for SECCAT_BSS and SECCAT_TBSS.
6797
6798 2004-07-07  Jan Beulich  <jbeulich@novell.com>
6799
6800         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
6801
6802         * expmed.c (emit_store_flag): Also special-case double-word
6803         (in-)equality comparison against -1.
6804
6805         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
6806         passing arguments the containers for which are registers.
6807
6808         * calls.c (emit_library_call_value_1): Use mode of function parameter
6809         rather than that of argument since constants have none.
6810
6811 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
6812
6813         Introduce H8SX support.
6814         * expr.c (expand_strcpy): Renamed and moved to...
6815         * builtins.c (expand_movstr): ... here.  Tweak.
6816         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
6817         computed or has side effects.
6818         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
6819         unused, or if mempcpy fails.  Adjust the return value in the
6820         latter case.  Use movstr if everything else fails.
6821         * doc/md.texi (movstr): Document.
6822         (movmemM, clrmemM): Fix explanation of memory block operands.
6823         * config/h8300/h8300.md (stpcpy): Renamed to...
6824         (movstr): ... this.  Adjust.
6825         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
6826         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
6827         movmem* and clrstr* to clrmem*.
6828         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
6829         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
6830         GENERAL_REGS, always.
6831         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
6832         getting the stack pointer as addr.
6833         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
6834         from general_operand_dst.
6835         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
6836         variant of...
6837         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
6838         instead of requiring it to match only before reload.
6839         (stpcpy_internal_normal): New, normal-mode variant of...
6840         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
6841         `D' instead of requiring it to match only before reload.
6842         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
6843         mode argument.
6844         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
6845         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
6846         h8300_get_index.
6847         * config/h8300/h8300.md (attr type): Add call.
6848         (attr can_delay): If type is call, set it no.
6849         (call, call_value): Set type to call.
6850         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
6851         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
6852         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
6853         * tree.c (get_narrower): Don't narrow integral types into
6854         non-integral types.
6855         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
6856         frame_size *before* the first use.
6857         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
6858         on input.
6859         (peephole2): Don't widen instructions that push SP.  Move
6860         decrement of SP to the end of all stm-generating peepholes.
6861         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
6862         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
6863         and OR to set it to all ones.
6864         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
6865         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
6866         (call, call_value): Set can_delay to "no".
6867         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
6868         * config/h8300/h8300.md (extzv): Make subreg check more robust.
6869         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6870         * config/h8300/h8300.md (*brabit): Remove.
6871         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
6872         zero_extract.  Use bit_memory_operand as the predicate for
6873         operand 1 and 'WU' as the constraint.  Check the difference
6874         between the base length and the final one when deciding which
6875         type of branch to use.
6876         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6877         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
6878         Use convert_move to extend the result for TARGET_H8300SX.  Check
6879         for QImode memory references.  Optimize the case where the
6880         destination is a paradoxical subreg.
6881         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6882         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
6883         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
6884         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
6885         * config/h8300/h8300.md: Include mova.md
6886         (length_table): Add mova and mova_zero.
6887         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
6888         after all constant addresses for '%R', '%X', '%T' and '%S'.
6889         (h8300_mova_length): New function.
6890         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
6891         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
6892         dependencies for s-config, etc.
6893         * config/h8300/gemova.sh: New file.
6894         * config/h8300/mova.md: Generated.
6895         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
6896         * config/h8300/h8300.c (h8300_bitfield_length): New.
6897         (nibble_operand): Adjust.
6898         (h8300_binary_length): Handle conditional binary op.
6899         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
6900         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
6901         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
6902         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
6903         constraints.  WU is introduced as a variant of U that requires a
6904         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
6905         * config/h8300/h8300.md (attr type): Added bitbranch.
6906         (attr length_table): Added bitfield and bitbranch.
6907         (attr length): Compute bitbranch length.
6908         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
6909         least-significant bit of a byte.
6910         (brabit, brabc, brabs): New.
6911         (insv, extzv): Emit bfst and bfld on H8300SX.
6912         (bfld, bfst, seq, sne): New.
6913         (bstzhireg, cmpstz, bstz, bistz): New.
6914         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
6915         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
6916         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
6917         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
6918         (h8sx_unary_memory_operator): New function.
6919         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
6920         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
6921         * config/h8300/h8300.md: Add peepholes to combine reloads and
6922         arithmetic insns.
6923         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
6924         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
6925         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
6926         (and?i, ior?i, xor?i): Likewise.
6927         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
6928         * config/h8300/h8300.c: Move enums and prototypes to head of file.
6929         Various whitespace fixes.
6930         (h8300_constant_length): New function, split out from...
6931         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
6932         (h8300_classify_operand): Use IN_RANGE.
6933         (h8300_classify_operand): Use h8300_constant_length.
6934         (h8300_short_move_mem_p): Tighten size check.
6935         (h8sx_mergeable_memrefs_p): Tighten equality check.
6936         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
6937         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
6938         for -msx.
6939         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
6940         * config/h8300/crtn.asm: Likewise.
6941         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
6942         if __H8300SX__ is defined.
6943         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
6944         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
6945         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
6946         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
6947         addresses as mode-dependent.
6948         * config/h8300/h8300.c (print_operand_address): Update call to
6949         h8300_get_index.
6950         (h8300_get_index): Take a mode argument.  Rework to fix an
6951         earlier misunderstanding.
6952         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
6953         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
6954         into a register if TARGET_H8300SX.
6955         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
6956         TARGET_H8300SX.  Also disable related define_splits.
6957         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
6958         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
6959         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
6960         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
6961         * config/h8300/h8300.h (OK_FOR_Z): New macro.
6962         (EXTRA_CONSTRAINT_STR): Check it.
6963         * config/h8300/h8300.c (h8300_classify_operand): Accept null
6964         class arguments.
6965         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
6966         * config/h8300/h8300.md (length_table): Add mov_imm4.
6967         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
6968         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
6969         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
6970         be a label.
6971         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
6972         * config/h8300/h8300.c (h8300_reorg): New function.
6973         (TARGET_MACHINE_DEPENDENT_REORG): Define.
6974         * config/h8300/h8300.md (length): Subtract the length of the
6975         delay slot from (pc) when checking the range of forward branches.
6976         (delay_slot, can_delay): New attributes.
6977         (define_delay): Add bra/s handling.
6978         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
6979         (jump): Add delayed-branch handling.
6980         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
6981         * expr.c (expand_strcpy): New function.
6982         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
6983         (expand_builtin_stpcpy): Likewise.
6984         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
6985         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
6986         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
6987         handling to improve register allocation for -fno-omit-frame-pointer.
6988         (h8sx_split_movmd): Delete, moving er6 handling into...
6989         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
6990         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
6991         (movmd): Add calls to copy_rtx.
6992         (movmd_internal): In the second alternative, allow the initial and
6993         final destination registers to be different .  Update the splitter
6994         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
6995         instead of h8sx_split_movmd.
6996         (stpcpy, movsd): New expanders.
6997         (movsd_internal): New define_insn.
6998         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
6999         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
7000         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
7001         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
7002         and DESTINATION_REGS.
7003         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
7004         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
7005         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
7006         (h8300_move_ratio): Declare.
7007         (MOVE_RATIO): Use it.
7008         * config/h8300/h8300.c (h8300_move_ratio): New variable.
7009         (h8300_init_once): Initialize it.
7010         (h8300_reg_class_from_letter): New function.
7011         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
7012         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
7013         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
7014         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
7015         (movstrsi, movmd): New expanders.
7016         (movmd_internal): New insn.
7017         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
7018         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
7019         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
7020         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
7021         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
7022         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7023         * config/h8300/h8300.c (nibble_operand): Fix warning.
7024         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
7025         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
7026         (movsf_h8300h): Disable for TARGET_H8300SX.
7027         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7028         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
7029         h8300_stm_parallel and h8300_return_parallel.
7030         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
7031         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
7032         h8300_stm_parallel, h8300_return_parallel): New functions.
7033         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
7034         if TARGET_H8300SX.  Use h8300_push_pop.
7035         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
7036         and final pop when generating h8sx code.  Always emit some form
7037         of return insn.
7038         * config/h8300/h8300.md: Don't enforce register alignment in
7039         stm peepholes if TARGET_H8300SX.
7040         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
7041         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
7042         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
7043         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
7044         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
7045         (MULTILIB_DIRNAMES): Add a directory for it.
7046         (MULTILIB_MATCHES): Delete.
7047         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
7048         * final.c (walk_alter_subreg): Handle addresses with subregs
7049         inside a ZERO_EXTEND or AND.
7050         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
7051         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
7052         if TARGET_H8300SX.
7053         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
7054         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
7055         @(dd,Rn.w) and @(dd,ERn.L).
7056         (h8300_displacement_size): Take the whole address as argument.
7057         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
7058         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
7059         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
7060         (h8sx_mergeable_memrefs_p): Declare.
7061         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
7062         (HAVE_PRE_INCREMENT): Likewise.
7063         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
7064         addresses for TARGET_H8300SX,
7065         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
7066         and POST_DEC.
7067         (movb_length_table, movl_length_table): New tables.
7068         (movw_length_table): Define to movb_length_table.
7069         (h8300_displacement_size): New, split out from...
7070         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
7071         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
7072         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
7073         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
7074         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
7075         (compute_plussi_length, compute_plussi_cc): Update accordingly.
7076         (h8sx_unary_shift_operator): Get the mode from the operator.
7077         (binary_shift_operator): Likewise.
7078         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
7079         a memory reference, check whether the reference is offsettable.
7080         (length_table): Add movb, movw and movl.
7081         (movqi): Add new h8sx pattern.  Don't force one operand to be a
7082         register when generating h8sx code.
7083         (movhi, movsi, movsf): Likewise.
7084         (movstrictqi): Use the length_table attribute.
7085         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
7086         (addqi3): Split into a define_expand and define_insn.  Don't accept
7087         memory operands in the expander.  Use h8300_operands_match_p to
7088         check for matching operands in the define_insn.
7089         (subqi3, negqi2, one_cmplqi2): Likewise.
7090         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
7091         in any patterns that are unused in h8sx code.  In the h8sx patterns,
7092         use h8300_operands_match_p to check whether operands match.
7093         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
7094         one_cmpl[hs]i3): Likewise.
7095         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
7096         in the expander.
7097         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
7098         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
7099         (h8300_insn_length_from_table): Add a second parameter.
7100         (output_h8sx_shift): Declare.
7101         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
7102         (EXTRA_CONSTRAINT): Replace with...
7103         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
7104         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
7105         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
7106         and h8sx_binary_shift_operator.
7107         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
7108         for TARGET_H8300SX.
7109         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
7110         (bit_memory_operand, fix_bit_operand): Likewise.
7111         (h8300_length_table_for_insn): Remove.
7112         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
7113         instructions.
7114         (h8300_short_immediate_length, h8300_binary_length): New functions.
7115         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
7116         (output_plussi): Use sub to add negative constants.
7117         (compute_plussi_length): Adjust accordingly.
7118         (h8sx_single_shift_type): New enum.
7119         (h8sx_single_shift, h8sx_unary_shift_operator,
7120         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
7121         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
7122         single h8sx instruction.  Return false in this case.
7123         * config/h8300/h8300.md (length_table): Add short_immediate.
7124         (length): Pass the operand array to h8300_insn_length_from_table.
7125         (adjust_length): Assume "no" for insns with a length_table attribute.
7126         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
7127         (*addhi3_h8300hs): Don't use for h8sx.
7128         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
7129         and sub.w #xx:3.
7130         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
7131         1's predicate to nonimmediate_operand.  Only skip default expansion
7132         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
7133         for single h8sx shift instructions.
7134         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
7135         * config/h8300/h8300.c (nibble_operand): Split out of...
7136         (reg_or_nibble_operand): ... this.
7137         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
7138         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
7139         umulhisi3): Introduce expand, and introduce separate insns for
7140         sign- or zero-extended REG and already-extended CONST_INT.
7141         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
7142         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
7143         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
7144         (subhi3): Likewise.  Don't accept immediates for operand 1.
7145         Remove the early clobber from second alternative of the h8300s pattern.
7146         (subsi3): Generalize for h8sx.  Force operand 2 into a register
7147         on plain h8300 targets.
7148         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
7149         (subsi3_h8300h): Generalize for h8sx.
7150         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
7151         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
7152         * config/h8300/h8300.c (reg_or_nibble_operand): New.
7153         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
7154         (TARGET_H8300SXMUL): New.
7155         (CONST_OK_FOR_P): New.
7156         (CONST_OK_FOR_LETTER_P): Adjust.
7157         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
7158         umulhisi3): Accept 4-bit immediate on H8SX.
7159         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
7160         (udivsi3, divhi3, udivsi3, divsi3): New.
7161         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
7162         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
7163         * config/h8300/h8300.h (OK_FOR_Q): New macro.
7164         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
7165         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
7166         Add ADDRESSOF to the bit_operand entry.
7167         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
7168         (h8300_src_operand): Likewise.
7169         (bit_operand): Check nonimmediate_operand rather than general_operand.
7170         Accept any nonimmediate_operand in h8sx code.
7171         (h8300_and_costs): Initialize operands[1].
7172         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
7173         (h8300_operand_class): New enum.
7174         (h8300_length_table): New typedef.
7175         (addb_length_table, addw_length_table, addl_length_table,
7176         logicl_length_table): New tables.
7177         (logicb_length_table, logicw_length_table): New macros.
7178         (h8300_classify_operand, h8300_length_from_table,
7179         h8300_length_table_for_insn, h8300_unary_length,
7180         h8300_insn_length_from_table): New functions.
7181         (output_plussi): Only use adds and subs for register destinations.
7182         Disable redundant clause.
7183         (compute_plussi_cc): Likewise.
7184         (compute_plussi_length): Likewise.  Use h8300_length_from_table
7185         to work out the length of an insn.
7186         (output_logical_op): Only use narrower immediate instructions
7187         if the destination is a register.
7188         (compute_logical_op_cc): Likewise.
7189         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
7190         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
7191         * config/h8300/h8300.md (length_table): New attribute.
7192         (length): When an instruction has a length_table attribute, use
7193         h8300_insn_length_from_table to calculate its default length.
7194         (cmpqi): Use h8300_dst_operand for the first operand and
7195         h8300_src_operand for the second.
7196         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
7197         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
7198         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
7199         iorsi3, xorhi3, xorsi3): Likewise.
7200         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
7201         so that it allows any combination of operands for TARGET_H8300SX.
7202         (iorqi3, xorqi3): Likewise.
7203         (cmpqi): Use the length_table attribute.
7204         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
7205         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
7206         (cmpqi): Add 'Q' constraint.
7207         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
7208         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
7209         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
7210         * config/h8300/h8300.h (MASK_H8300SX): New macro.
7211         (TARGET_H8300S): True for both -ms and -msx.
7212         (TARGET_H8300SX): New macro.
7213         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
7214         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
7215         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
7216         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
7217         [Temporary change.]
7218         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
7219         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
7220         16-bit pointers and 32-bit ints.
7221         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
7222         CONST_DOUBLE with mode no wider than SImode.
7223         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
7224         output operand.
7225         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
7226         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
7227         or SUBREG thereof.
7228         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
7229         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
7230         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
7231
7232 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
7233
7234         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
7235
7236 2004-07-07  Per Bothner  <per@bothner.com>
7237
7238         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
7239
7240 2004-07-07  Mike Stump  <mrs@apple.com>
7241
7242         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
7243         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
7244         (machopic_finish): Likewise.
7245
7246 2004-07-07  Richard Henderson  <rth@redhat.com>
7247
7248         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
7249         through any value-preserving cast.
7250
7251 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
7252
7253         * function.c (assign_parm_find_data_types): Call
7254         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
7255
7256 2004-07-07  Steven Bosscher  <stevenb@suse.de>
7257
7258         * tree-cfg.c (group_case_labels): Remove case labels that have
7259         the same target as the default case.
7260
7261 2004-07-07  Steven Bosscher  <stevenb@suse.de>
7262
7263         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
7264         regardless of DECL_LANG_SPECIFIC being present or not.
7265         * tree.h (DECL_NUM_STMTS): Purge.
7266
7267 2004-07-07  Andrew Pinski  <apinski@apple.com>
7268
7269         * configure: Regenerate with the right autoconf.
7270
7271 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
7272
7273         * ifcvt.c (total_bb_rtx_cost): New function.
7274         (find_if_case_1): Compare rtx_cost of basic block to cost of
7275         BRANCH_COST insns.
7276         (find_if_case_2): Same.
7277
7278 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7279
7280         PR target/10567
7281         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
7282         (output_return): Likewise.
7283         (output_sibcall): Abort if !flag_delayed_branch.
7284         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
7285         (emit_and_preserve): New function.
7286         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
7287         indirect jump to the thunked-to function if !flag_delayed_branch.
7288         * config/sparc/sparc.md (delayed_branch): New attribute.
7289         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
7290         attribute to compute the length of the insn.
7291         (goto_handler_and_restore): Likewise.
7292
7293 2004-07-07  Andrew Pinski  <apinski@apple.com>
7294
7295         PR tree-optimization/15777
7296         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
7297
7298         * expr.c (expand_expr_real_1): Fix formating.
7299         BUFFER_REF and IN_EXPR are dead.
7300         * fold-const.c (non_lvalue): BUFFER_REF is dead.
7301         * tree-inline.c (estimate_num_insns_1): Likewise.
7302         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
7303         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
7304         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
7305
7306 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
7307
7308         * collect2.c (dump_file): Don't call cplus_demangle if
7309         HAVE_LD_DEMANGLE is defined.
7310         (main): Pass "--demangle" to ld if no_demangle is not 0 and
7311         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
7312         if HAVE_LD_DEMANGLE is defined.
7313
7314         * configure.ac (--with-demangler-in-ld): Added
7315         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
7316         --with-demangler-in-ld is used.
7317         * config.in: Regenerated.
7318         * configure: Likewise.
7319
7320 2004-07-07  Roger Sayle  <roger@eyesopen.com>
7321
7322         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
7323         for simple floating point operations "fp", double precision
7324         multiplication "dmul", and single and double precision division
7325         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
7326         (ppc630_cost): New table split from ppc620_cost, to distinguish
7327         differences in floating point latencies.
7328         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
7329         (rs6000_rtx_costs): Add support for single and double precision
7330         floating point addition, subtraction, multiplication, division,
7331         fused-multiply-add, fused-multiply-sub, negation, absolute value
7332         and negative absolute value.  Tweak MEM case to use prefered idiom.
7333
7334 2004-07-07  Richard Henderson  <rth@redhat.com>
7335
7336         * tree-flow-inline.h (may_propagate_copy): Move...
7337         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
7338         attempt to copy between types requiring conversion.
7339         * tree-flow.h (may_propagate_copy): Update decl.
7340         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
7341
7342 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
7343
7344         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
7345         from -mtune= option.
7346
7347 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
7348
7349         * builtins.c: Rename movstr*, except for movstrict*, to
7350         movmem* and clrstr* to clrmem*.
7351         * expr.c: Likewise.
7352         * expr.h: Likewise.
7353         * genopinit.c: Likewise.
7354         * integrate.c: Likewise.
7355         * local-alloc.c: Likewise.
7356         * optabs.c: Likewise.
7357         * optabs.h: Likewise.
7358         * config/alpha/alpha.h: Likewise.
7359         * config/alpha/alpha.md: Likewise.
7360         * config/arm/arm-protos.h: Likewise.
7361         * config/arm/arm.c: Likewise.
7362         * config/arm/arm.md: Likewise.
7363         * config/avr/avr.md: Likewise.
7364         * config/c4x/c4x.c: Likewise.
7365         * config/c4x/c4x.md: Likewise.
7366         * config/frv/frv.md: Likewise.
7367         * config/i386/i386-protos.h: Likewise.
7368         * config/i386/i386.c: Likewise.
7369         * config/i386/i386.h: Likewise.
7370         * config/i386/i386.md: Likewise.
7371         * config/i860/i860.c: Likewise.
7372         * config/i860/i860.md: Likewise.
7373         * config/ip2k/ip2k.md: Likewise.
7374         * config/ip2k/libgcc.S: Likewise.
7375         * config/ip2k/t-ip2k: Likewise.
7376         * config/m32r/m32r.c: Likewise.
7377         * config/m32r/m32r.md: Likewise.
7378         * config/mcore/mcore.md: Likewise.
7379         * config/mips/mips.c: Likewise.
7380         * config/mips/mips.md: Likewise.
7381         * config/ns32k/ns32k.c: Likewise.
7382         * config/ns32k/ns32k.h: Likewise.
7383         * config/ns32k/ns32k.md: Likewise.
7384         * config/pa/pa.c: Likewise.
7385         * config/pa/pa.md: Likewise.
7386         * config/pdp11/pdp11.h: Likewise.
7387         * config/pdp11/pdp11.md: Likewise.
7388         * config/rs6000/rs6000.c: Likewise.
7389         * config/rs6000/rs6000.md: Likewise.
7390         * config/s390/s390-protos.h: Likewise.
7391         * config/s390/s390.c: Likewise.
7392         * config/s390/s390.md: Likewise.
7393         * config/sh/lib1funcs.asm: Likewise.
7394         * config/sh/sh.c: Likewise.
7395         * config/sh/sh.md: Likewise.
7396         * config/sh/t-sh: Likewise.
7397         * config/sparc/sparc.h: Likewise.
7398         * config/vax/vax.md: Likewise.
7399         * config/xtensa/xtensa.c: Likewise.
7400         * config/xtensa/xtensa.md: Likewise.
7401         * doc/invoke.texi: Likewise.
7402         * doc/md.texi: Likewise.
7403         * doc/rtl.texi: Likewise.
7404
7405 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
7406
7407         PR target/16407
7408         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
7409         * config/mips/mips.c (mips_declare_common_object): New function,
7410         mostly split out from...
7411         (mips_output_aligned_decl_common): ...here.
7412         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
7413         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
7414         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
7415         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
7416
7417 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7418
7419         PR c/16392
7420         * function.c (assign_parms): Fix typo from previous change.
7421
7422 2004-07-07  Jason Merrill  <jason@redhat.com>
7423
7424         PR c++/15815
7425         * doc/extend.texi (C++ Interface): Correct information and
7426         discourage use.
7427
7428 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
7429
7430         PR target/16130
7431         PR target/16142
7432         PR target/16143
7433         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
7434         insn.
7435
7436 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
7437
7438         PR target/1679.
7439         * config/m32r/m32r.c (m32r_function_symbol): New function:
7440         Generate a symbol name RTX with the correct m32r specific flags
7441         set.
7442         (block_move_call): Use new function to generate correct symbol.
7443         * config/m32r/m32r-protos.h: Add prototype for new funcion.
7444         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
7445         function.
7446
7447 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
7448
7449         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
7450         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
7451         TYPE_BINFO_BASETYPE): Remove.
7452         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
7453         to ...
7454         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
7455         here.
7456         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
7457         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
7458         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
7459         (struct tree_binfo): Rename base_types to base_binfos.
7460         * alias.c (record_component_aliases): Adjust BINFO macros.
7461         * dbxout.c (dbxout_type): Likewise.
7462         * dwarf2out.c (gen_member_die): Likewise.
7463         * sdbout.c (sdbout_one_type): Likewise.
7464         * tree-dump.c (deque_and_dump): Likewise.
7465         * config/i386/i386.c (classify_argument,
7466         contains_128bit_aligned_vector_p): Likewise.
7467
7468 2004-07-07  Nick Clifton  <nickc@redhat.com>
7469
7470         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
7471         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
7472
7473 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
7474
7475         * vec.h: Fix the example use.
7476
7477 2004-07-06  Richard Henderson  <rth@redhat.com>
7478
7479         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
7480         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
7481         * tree-inline.c (copy_body_r, setup_one_parameter,
7482         initialize_inlined_parameters, expand_call_inline,
7483         declare_inline_vars): Don't check it.
7484         (expand_calls_inline): Remove old version, rename new version
7485         from gimple_expand_calls_inline.
7486         * tree-optimize.c (execute_gimple): Remove.
7487         (pass_gimple): Don't run anything.
7488
7489 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
7490
7491         * doc/sourcebuild.texi: Use semicolons instead of commas in
7492         section title.
7493
7494 2004-07-06  Richard Henderson  <rth@redhat.com>
7495
7496         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
7497         (sra_walk_modify_expr, scan_init): Likewise.
7498         (generate_element_zero): Check visited before scanning children.
7499         (generate_element_init): Set visited on error.
7500         (scalarize_init): Handle generate_element_init failure similar
7501         to use_block_copy.
7502
7503 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
7504
7505         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
7506         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
7507
7508 2004-07-06  Richard Henderson  <rth@redhat.com>
7509
7510         * config/i386/i386.c (legitimize_pic_address): Make static.
7511         (legitimize_address): Handle CONST with TLS operand.
7512         (ix86_expand_move): Don't call legitimize_pic_address directly.
7513         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
7514
7515 2004-07-06  Roger Sayle  <roger@eyesopen.com>
7516
7517         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
7518         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
7519         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
7520         is currently executed unconditionally, i.e. not in "else_bb".
7521
7522 2004-07-06  Steven Bosscher  <stevenb@suse.de>
7523
7524         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
7525         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7526         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
7527         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7528         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
7529         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7530         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
7531         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7532         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
7533         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7534         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
7535         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7536         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
7537         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7538         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
7539         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
7540
7541 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
7542
7543         * dojump.c (do_jump): REFERENCE_EXPR is dead.
7544         * expr.c (expand_expr_real_1): Ditto.
7545         * tree-inline.c (estimate_num_insns_1): Ditto.
7546         * tree-pretty-print.c (dump_generic_node): Ditto.
7547         (op_symbol): Ditto.
7548         * tree.def: Ditto.
7549
7550 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
7551
7552         * tree-ssa-pre.c (reference_node_pool): New pool.
7553         (find_or_generate_expression): Class 'r' is okay too.
7554         (create_value_expr_from): Ditto.
7555         (add_to_sets): LHS should not include vuses.
7556         (eliminate): Ditto.
7557         (compute_avail): Reverse ordering of tests.
7558         Valuize INDIRECT_REF as well.
7559
7560 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
7561
7562         PR rtl-optimization/16380
7563         * loop.c (check_dbra_loop): Sink comparison instructions if they
7564         do something other than set cc0.
7565
7566 2004-07-06  James E Wilson  <wilson@specifixinc.com>
7567
7568         * doc/interface.texi (longjmp and automatic variables): Delete
7569         paragraph recommending taking the address of a variable.
7570
7571 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
7572
7573         * vec.h (VEC_embedded_alloc): Remove.
7574         (VEC_embedded_size, VEC_embedded_init): New.
7575         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
7576         MEM_STAT_INFO.
7577         (VEC_truncate): New.
7578         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
7579         (vec_embedded_alloc): Remove.
7580         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
7581         (vec_embedded_alloc): Remove.
7582
7583 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
7584
7585         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
7586         (gt-langhooks.h): Remove.
7587
7588 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
7589
7590         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
7591
7592 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7593
7594         * config/sparc/sparc.c (get_pc_symbol): Rename into
7595         add_pc_to_pic_symbol.
7596         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
7597         (load_pic_register): Account for previous changes.
7598         Use reg_names.  Don't create the label twice.
7599         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
7600         UNSPEC_LOAD_PCREL_SYM.
7601         (get_pc): Rename into load_pcrel_sym.  Add predicate to
7602         operands.  Remove condition.
7603
7604 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
7605
7606         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
7607         RECORD, UNION & QUAL_UNION is actually a binfo.
7608
7609         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
7610         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
7611         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
7612         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
7613         * dwarf2out.c (add_data_member_location_attribute): Likewise.
7614         (gen_inheritance_die): Likewise.
7615         * tree-dump.c (deque_and_dump): Likewise.
7616         * doc/c-tree.texi (Binfos): Add under reconstruction note.
7617
7618 2004-07-06  Steven Bosscher  <stevenb@suse.de>
7619
7620         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
7621         Define.
7622         * config/mcore/mcore.md: Model memory latency with a simple DFA
7623         pipeline description instead of a define_function_unit.
7624
7625 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7626
7627         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
7628         * langhooks.h (var_mod_type_p): Likewise.
7629         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
7630         * expr.c (count_type_elements): Properly handle return from
7631         array_type_nelts and properly test for overflow.
7632         * gimplify.c (gimplify_init_constructor): Properly handle return
7633         from array_type_nelts.
7634         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
7635         * integrate.c (copy_decl_for_inlining): Correct comments.
7636         * tree-inline.c (remap_decl): Update comments, remove dead code,
7637         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
7638         (remap_type): Only remap if variably modified by vars in function
7639         being inlined.
7640         (copy_body_r): Use compatible_type langhooks to see when can fold.
7641         (setup_one_parameter): Don't remap type.
7642         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
7643         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
7644         compute TREE_INVARIANT for decl case.
7645         (find_var_from_fn): New function.
7646         (variably_modified_type_p): Add arg and call new function.
7647         * tree.h (variably_modified_type_p): Add extra arg.
7648
7649 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
7650
7651         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
7652         (goto_handler_and_restore_v9): Delete disabled insn.
7653         (goto_handler_and_restore_v9_sp64): Likewise.
7654
7655 2004-07-05  Roger Sayle  <roger@eyesopen.com>
7656
7657         * calls.c (load_register_parameters): Call expand_shift instead
7658         of expand_binop with ashl_optab (or other shift optab) directly.
7659         * expr.c (emit_group_load, emit_group_store): Likewise.
7660         * function.c (assign_parm_setup_block): Likewise.
7661         * stmt.c (shift_return_value): Likewise.
7662
7663 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
7664
7665         * expr.c (expand_assignment): Disable the bitfield += optimizations.
7666
7667 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7668
7669         * doc/sourcebuild.texi: Revert previous patch.
7670
7671 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7672
7673         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
7674         TARGET_MEM_FUNCTIONS.
7675         * system.h: Poison TARGET_MEM_FUNCTIONS.
7676         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
7677         bcmp_libfunc, bzero_libfunc): Remove.
7678         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
7679         bzero_libfunc.
7680         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
7681         * doc/standards.texi: Don't mention calling BSD string functions.
7682         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
7683         * config/vax/t-memfuncs: New.
7684         * config/memcmp.c, config/memcpy.c, config/memmove.c,
7685         config/memset.c: New.
7686         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
7687         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
7688         vax/t-memfuncs.
7689         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
7690         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
7691         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
7692         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
7693         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
7694         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
7695         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
7696         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
7697         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
7698         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
7699
7700 2004-07-05  Richard Henderson  <rth@redhat.com>
7701
7702         * function.c (assign_parm_setup_reg): Properly rename variables in
7703         FUNCTION_ARG_CALLEE_COPIES section.
7704
7705 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
7706
7707         * tree-mudflap.c: Include cgraph.h.
7708         (mf_init_extern_trees): Rename to mudflap_init.  Export.
7709         Rewrite to create synthetic declarations instead of looking
7710         up declarations from mf-runtime.h.
7711         (mf_make_builtin, mf_make_cache_struct_type): New functions.
7712         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
7713         Correct commentary.
7714         (execute_mudflap_function_decls, mudflap_register_call):
7715         Don't call mf_init_extern_trees.
7716         (mudflap_finish_file): Use cgraph_build_static_cdtor.
7717
7718         * tree-mudflap.h: Update prototypes.
7719         * c-mudflap.c: Delete file.
7720         * c-common.c: Include tree-mudflap.h.
7721         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
7722         * Makefile.in: Remove all references to c-mudflap.o.
7723         Update dependencies.
7724
7725 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7726
7727         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
7728         displacements with the spatial-locality cache-control completer.
7729
7730 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
7731
7732         * langhooks.c: Don't include gt-langhooks.h.
7733         (var_labelno): Delete.
7734         (lhd_set_decl_assembler_name): Do not append a distinguishing
7735         number to file-scope internal-linkage declarations for the first
7736         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
7737         the declaration itself (if at block scope), or its containing
7738         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
7739         number.
7740
7741         * opts.c (cur_in_fname): New global.
7742         * opts.h: Declare it.
7743         * tree.c: Include opts.h.
7744         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
7745         DECL_UID equal to cur_in_fname.
7746         (copy_node_stat): Do not change DECL_UID when copying a
7747         TRANSLATION_UNIT_DECL.
7748         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
7749         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
7750
7751         * c-decl.c (c_static_assembler_name): Delete.
7752         * c-tree.h (c_static_assembler_name): Delete prototype.
7753         * c-lang.c, objc/objc-lang.c: Don't override
7754         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
7755
7756         * Makefile.in (tree.o): Update dependencies.
7757         (GTFILES): Remove langhooks.c.
7758
7759 2004-07-05  Roger Sayle  <roger@eyesopen.com>
7760
7761         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
7762         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
7763         Normalize "X % C" as "X % -C" for signed modulus and negative C.
7764         Optimize "X % -Y" as "X % Y" for signed modulus.
7765         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
7766         into "((unsigned) X % Y) == 0".
7767
7768 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
7769
7770         * sourcebuild.texi (Config Fragments): Use @comma{} in
7771         cross-reference to section title.
7772
7773 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7774
7775         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
7776         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
7777         (gimplify_target_expr, gimplify_expr): Likewise.
7778         (copy_if_shared_r): No longer need special case for BIND_EXPR.
7779         (unshare_body, unvisit_body): Only look at nested if BODY_P is
7780         whole function.
7781         (gimplify_compound_lval): See if we can strip any useless conversion.
7782         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
7783         from RHS, not LHS.
7784         (gimplify_modify_expr_to_memset): Likewise.
7785         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
7786         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
7787         (declare_inline_vars): Likewise.
7788         (walk_type_fields): New function.
7789         (walk_tree): Use it.
7790         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
7791
7792         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
7793         (sra_walk_modify_expr): Allow init function to fail.
7794         (scan_init): Now returns bool.
7795         (generate_element_init): If can't understand INIT, return false.
7796         (scalarize_init): Return false if generate_element_init does.
7797
7798         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
7799         print bounds.
7800
7801         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
7802         bounds if bounds aren't constant.
7803
7804         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
7805
7806         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
7807         to type hooks; remove bogus PARAMS.
7808
7809 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
7810
7811         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
7812         * dwarf2out.c (add_data_member_location_attribute): Check for
7813         TREE_BINFO.
7814         * tree.c (tree_node_kinds): Add "binfos".
7815         (binfo_lang_slots): New.
7816         (make_node_stat): Add TREE_BINFO.
7817         (make_tree_binfo_stat): New.
7818         (tree_node_structure): Add TREE_BINFO.
7819         * tree.def (TREE_BINFO): New.
7820         * tree.h (REC_OR_UNION_CHECK): Rename to ...
7821         (RECORD_OR_UNION_CHECK): ... here.
7822         (NOT_RECORD_OR_UNION_CHECK): New.
7823         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
7824         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
7825         RECORD_OR_UNION_CHECK.
7826         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
7827         (TYPE_LANG_SLOT_1): New.
7828         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
7829         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
7830         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
7831         (BINFO_ELTS): Remove.
7832         (BINFO_LANG_SLOT): New.
7833         (struct tree_binfo): New.
7834         (binfo_lang_slots): Declare.
7835         (enum tree_node_structure_enum): Add TS_BINFO.
7836         (union tree_node): Add binfo.
7837         (make_tree_binfo_stat): Declare.
7838         (make_tree_binfo): New.
7839         (enum tree_node_kind): Add binfo_kind.
7840
7841         * objc/objc-act.c (start_class, objc_declare_protocols,
7842         start_protocols): Use TYPE_LANG_SLOT_1.
7843         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
7844         to ...
7845         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
7846         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
7847         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
7848         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
7849
7850 2004-07-05  Steven Bosscher  <stevenb@suse.de>
7851
7852         * rtl.h (struct rtx_def): Remove the integrated flag.
7853         Use the return_val flag for MEM_SCALAR_P.
7854         Reshuffle and update flags in CLEAR_RTX_FLAGS.
7855
7856 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
7857
7858         PR target/16357
7859         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
7860         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
7861         move_by_pieces.
7862
7863 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
7864
7865         * var-tracking.c: Fix some comments.
7866         (frame_stack_adjust): New.
7867         (vt_stack_adjustments): Init stack_adjust of entry block to
7868         minus stack adjustment of function prologue.
7869         (adjust_stack_reference): Do not adjust if adjustment == 0.
7870         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
7871         (emit_notes_in_bb): Likewise.
7872         (vt_add_function_parameters): Do not adjust locations of
7873         function arguments.
7874         (vt_initialize): Compute the stack adjustment of function
7875         prologue and offset the initial "location" of frame_base_decl
7876         from the stack pointer after prologue.
7877
7878 2004-07-04  Richard Henderson  <rth@redhat.com>
7879
7880         * function.c (struct assign_parm_data_all): New.
7881         (struct assign_parm_data_one): New.
7882         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
7883         assign_parm_find_data_types, assign_parms_setup_varargs,
7884         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
7885         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
7886         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
7887         assign_parm_setup_block, assign_parm_setup_reg,
7888         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
7889         (assign_parms): ... here.
7890
7891 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
7892
7893         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
7894         now are bitmap_set_t's.
7895         (bitmap_insert_into_set): No point in inserting the value if
7896         it's invariant.
7897         (bitmap_set_contains): New function.
7898         (bitmap_set_replace_value): Add comment on why we do it
7899         this way.
7900         (set_contains): Removed.
7901         (bitmap_set_subtract_from_value_set): New name of
7902         set_subtract now that it's arguments are two different
7903         types of sets.
7904         Update callers.
7905         (bitmap_find_leader): Change algorithm used.
7906         (find_or_generate_expression): Update use of functions for new
7907         bitmap sets.
7908         (create_expression_by_pieces): Ditto.
7909         (insert_aux): Ditto.
7910         (insert): Ditto.
7911         (add_to_sets): Ditto.
7912         (init_pre): Ditto.
7913         (execute_pre): Ditto.
7914         (compute_avail): Ditto.
7915         Also ignore virtual phis.
7916
7917 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
7918
7919         * combine.c (simplify_comparison): Fix comment typo.
7920
7921 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7922
7923         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
7924         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
7925         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
7926         (output_restore): Change parameter from 'insn' to 'pat'.
7927         (output_return): Adjust call to output_restore.
7928         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
7929         Adjust call to output_restore.
7930
7931 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
7932
7933         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
7934         and assert system is bsd.
7935
7936 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
7937
7938         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
7939         (TARGET_SWITCHES): Remove -mdebugc.
7940         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
7941         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
7942         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
7943         (sle_[sd]i_reg): Delete.
7944
7945 2004-07-04  Steven Bosscher  <stevenb@suse.de>
7946
7947         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
7948         Define.
7949         * config/iq2000/iq2000.md: Translate old pipeline description to an
7950         equivalent new one.
7951
7952 2004-07-04  Roger Sayle  <roger@eyesopen.com>
7953
7954         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
7955         Ensure the replacement rhs is valid gimple before performing
7956         the substitution.  Return false if these sanity checks fail.
7957         (fold_stmt): Only set changed to true, if set_rhs returns true.
7958         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
7959         succeeds.
7960
7961 2004-07-04  Richard Henderson  <rth@redhat.com>
7962
7963         PR c/16348
7964         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
7965
7966 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
7967
7968         * configure.ac (ranlib_flags): New variable.
7969         * Makefile.in (RANLIB_FLAGS): New variable.
7970         (libbackend.a): Use it.
7971         * configure: Regenerated.
7972
7973 2004-07-04  Roger Sayle  <roger@eyesopen.com>
7974
7975         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
7976         a "sign mask" instead of using ashr_optab directly.
7977
7978 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
7979
7980         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
7981         * doc/cppopts.texi: Clarify processing of command-line defines.
7982
7983 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
7984
7985         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
7986
7987 2004-07-04  Richard Henderson  <rth@redhat.com>
7988
7989         * rtl.def (ADDRESSOF): Remove.
7990         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
7991         (find_base_term, memrefs_conflict_p): Likewise.
7992         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
7993         (fold_rtx, cse_insn, set_live_p): Likewise.
7994         * dwarf2out.c (mem_loc_descriptor): Likewise.
7995         (add_location_or_const_value_attribute): Likewise.
7996         * emit-rtl.c (copy_insn_1): Likewise.
7997         * explow.c (memory_address): Likewise.
7998         * expmed.c (store_split_bit_field): Likewise.
7999         * expr.c (expand_expr_real_1): Likewise.
8000         * function.c (instantiate_decl
8001         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
8002         * genrecog.c (preds, validate_pattern): Likewise.
8003         * integrate.c (copy_rtx_and_substitute): Likewise.
8004         * recog.c (general_operand, register_operand): Likewise.
8005         (memory_address_p): Likwise.
8006         * reload1.c (eliminate_regs, elimination_effects): Likewise.
8007         * rtl.c (copy_rtx): Likewise.
8008         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
8009         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
8010         * rtlhooks.c (gen_lowpart_general): Likewise.
8011         * stmt.c (expand_asm_operands): Likewise.
8012         * web.c (entry_register, replace_ref, web_main): Likewise.
8013         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
8014         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8015         * config/arm/arm.c (thumb_rtx_costs): Likewise.
8016         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
8017         * config/frv/frv.c (move_destination_operand, move_source_operand,
8018         condexec_dest_operand, condexec_source_operand,
8019         condexec_memory_operand): Likewise.
8020         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
8021         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
8022         (destination_xfmode_operand): Likewise.
8023         * config/mips/mips.h (PREDICATE_CODES): Likewise.
8024         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
8025         * config/s390/s390.c (general_s_operand): Likewise.
8026         * config/s390/s390.md (mov*): Likewise.
8027         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
8028
8029         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
8030         * expr.c (expand_expr_real_1): Likewise.
8031         * stmt.c (expand_decl): Likewise.
8032         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8033
8034         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
8035         postponed_insns, put_var_into_stack, put_reg_into_stack,
8036         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
8037         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
8038         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
8039         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
8040         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
8041         purge_bitfield_addressof_replacements, purge_addressof_replacements,
8042         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
8043         struct insns_for_mem_walk_info, insns_for_mem_walk,
8044         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
8045         setjmp_protect_args): Remove.
8046         (push_function_context_to): Don't handle var_refs_queue.
8047         (pop_function_context_from, free_after_compilation): Likewise.
8048         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
8049         (assign_parms, allocate_struct_function): Likewise.
8050         (use_register_for_decl): New.
8051         (expand_function_end): Don't setjmp_protect.
8052         * function.h (struct emit_status): Update commentary.
8053         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
8054         (max_parm_reg, parm_reg_stack_loc): Remove.
8055         * passes.c (DFI_addressof): Remove.
8056         (dump_file_info): Remove addressof.
8057         (rest_of_handle_addressof): Remove.
8058         (rest_of_compilation): Don't call it.
8059         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
8060         * stmt.c (expand_decl): Use use_register_for_decl.
8061         * tree.h: Update decls.
8062         * web.c (mark_addressof): Remove.
8063         * doc/invoke.texi (-dF): Remove.
8064
8065 2004-07-03  Richard Henderson  <rth@redhat.com>
8066
8067         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
8068         instead of gen_mem_addressof.
8069         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
8070         TImode output register.
8071
8072 2004-07-03  Richard Henderson  <rth@redhat.com>
8073
8074         PR tree-optimization/16341
8075         * tree-sra.c (sra_walk_function): Increment to next stmt before
8076         processing the current stmt.
8077         (sra_insert_after): Always use BSI_SAME_STMT.
8078
8079 2004-07-03  Richard Henderson  <rth@redhat.com>
8080
8081         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
8082         fp plus with minus.
8083
8084 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
8085
8086         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
8087         with tree_int_cst_equal.
8088
8089 2004-07-03  Andreas Schwab  <schwab@suse.de>
8090
8091         * config/ia64/ia64.md: Define new attribute "empty".
8092         (prologue_use, nop_x, insn_group_barrier): Set it.
8093
8094         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
8095         skip over "empty" insns.
8096
8097 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8098
8099         * tree-inline.c (initialize_inlined_parameters): Pass proper function
8100         context to gimplify_body.
8101         (walk_tree): Don't walk into types twice.
8102         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
8103
8104         * tree-sra.c (generate_element_init): Remove any useless conversions.
8105
8106         * gimplify.c (gimplify_conversion): Remove stripping useless
8107         conversions from here.
8108         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
8109         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
8110         Unshare before substituting PLACEHOLDER_EXPR.
8111         (gimplify_modify_expr_to_memset): Likewise.
8112         Pass address of TO to memset, not TO itself.
8113         (gimplify_init_constructor): Make copy of OBJECT so we have it each
8114         time we make an expression (to match a PLACEHOLDER_EXPR).
8115
8116         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
8117         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
8118         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
8119         * tree-ssa-dom.c (local_fold): Likewise.
8120
8121         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
8122         * langhooks.h (strct lang_hooks): New field type_max_size.
8123         * function.c (assign_temp): Call it.
8124
8125 2004-07-03  Steven Bosscher  <stevenb@suse.de>
8126
8127         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
8128         * config/sh/sh.md: Convert the SH1 pipeline description to
8129         a DFA model.
8130
8131 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
8132
8133         * c-decl.c (struct c_binding): Remove contour field; add
8134         depth, invisible, nested fields.
8135         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
8136         (B_IN_EXTERNAL_SCOPE): New convenience macros.
8137         (bind): Add invisible and nested arguments. Initialize
8138         new fields of struct c_binding; adjust loop scanning for
8139         insertion point.
8140         (free_binding_and_advance): Clear structure with memset.
8141         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
8142         in file scope, even if it's in external scope too.
8143         (pushdecl): Adjust to match.  Create invisible file-scope
8144         declarations for block-scope forward declarations of static functions.
8145         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
8146         (undeclared_variable, lookup_label, declare_label, define_label)
8147         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
8148         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
8149         (store_parm_decls_oldstyle): Adjust to match.
8150         (diagnose_mismatched_decls): Correct handling of linkage clashes.
8151         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
8152
8153         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
8154         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
8155
8156 2004-07-02  Richard Henderson  <rth@redhat.com>
8157
8158         * c-decl.c (grokdeclarator): Don't frob current_function_decl
8159         around variable_size.
8160         (set_decl_nonlocal): Remove.
8161         (store_parm_decls): Add stmts for pending sizes.
8162         * calls.c (calls_function, calls_function_1): Remove.
8163         (precompute_arguments): Don't call it.
8164         * cfgexpand.c (set_save_expr_context): Remove.
8165         (tree_expand_cfg): Don't call it.
8166         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
8167         (dwarf2out_finish): Likewise.
8168         * expr.c (emit_block_move): Adjust addresses to BLKmode.
8169         (store_constructor): Don't pre-evaluate SAVE_EXPR.
8170         (safe_from_p): Don't queue SAVE_EXPRs.
8171         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
8172         or build plain VAR_DECLs.
8173         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
8174         (fold): Likewise.
8175         (fold_checksum_tree): Don't special-case SAVE_EXPR.
8176         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
8177         (put_var_into_stack): Don't handle SAVE_EXPR.
8178         (gen_mem_addressof): Likewise.
8179         * function.h (struct function): Remove x_save_expr_regs.
8180         (save_expr_regs): Remove.
8181         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
8182         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
8183         * stor-layout.c (variable_size): Don't set it.
8184         (force_type_save_exprs, force_type_save_exprs_1): Remove.
8185         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
8186         all callers.  Don't set SAVE_EXPR_CONTEXT.
8187         * tree-inline.h (remap_save_expr): Update decl.
8188         * tree.c (save_expr): Update build size.
8189         (first_rtl_op): Don't handle SAVE_EXPR.
8190         (unsave_expr_1, contains_placeholder_p): Likewise.
8191         (decl_function_context): Likewise.
8192         * tree.def (SAVE_EXPR): Remove args 1 and 2.
8193         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
8194         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
8195
8196 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
8197
8198         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
8199         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
8200         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
8201         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
8202         some first-person references and patronizing comments.  Based on
8203         printed manual.
8204         * doc/invoke.texi: Don't reference fortran@gnu.org.
8205         * doc/trouble.texi (Warning when a non-void function value is
8206         ignored): Rewrite.  From Russ Allbery and Chris Devers.
8207
8208 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
8209
8210         * tree-ssa-pre.c (bitmap_set_t): New.
8211         (bb_value_sets): avail_out is now a bitmap_set_t.
8212         (bitmap_find_leader): New function.
8213         (bitmap_value_insert_into_set): Ditto.
8214         (bitmap_set_copy): Ditto.
8215         (bitmap_value_replace_in_set): Ditto.
8216         (bitmap_set_contains_value): Ditto.
8217         (bitmap_set_new): Ditto.
8218         (bitmap_set_pool): New pool.
8219         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
8220         (insert_aux): Ditto.
8221         (add_to_sets): Ditto.
8222         (compute_avail): Ditto
8223         (eliminate): Ditto.
8224         (init_pre): Ditto.
8225         (fini_pre): Ditto.
8226         (execute_pre): Ditto.
8227
8228 2004-07-02  Roger Sayle  <roger@eyesopen.com>
8229
8230         * config/rs6000/rs6000.c (struct processor_costs): New structure
8231         used to hold instruction latencies/sizes for processor types.
8232         (rs6000_cost): New global variable pointing to current CPU's costs.
8233         (rs6000_override_options): Initialize rs6000_cost to point to the
8234         appropriate cost table based upon rs6000_cpu and optimize_size.
8235         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
8236         timings inline.
8237
8238 2004-07-02  Richard Henderson  <rth@redhat.com>
8239
8240         * expmed.c (make_tree): Don't use SET_DECL_RTL.
8241
8242 2004-07-02  Steven Bosscher  <stevenb@suse.de>
8243
8244         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
8245
8246 2004-07-01  Richard Henderson  <rth@redhat.com>
8247
8248         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
8249         (alpha_gp_save_rtx): Use assign_stack_local instead of
8250         gen_mem_addressof.
8251
8252 2004-07-01  Richard Henderson  <rth@redhat.com>
8253
8254         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
8255         (alpha_rtx_cost_data): Update to match.
8256         (alpha_rtx_cost_size): New.
8257         (alpha_rtx_costs): Honor optimize_size.
8258
8259 2004-07-01  Richard Henderson  <rth@redhat.com>
8260
8261         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
8262         * cfgexpand.c (tree_expand_cfg): Do it here.
8263         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
8264         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
8265         * config/mips/mips.c (mips_output_mi_thunk): And here.
8266         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
8267         * config/sh/sh.c (sh_output_mi_thunk): And here.
8268         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
8269
8270 2004-07-01  Richard Henderson  <rth@redhat.com>
8271
8272         * tree.def (RTL_EXPR): Remove.
8273         * c-typeck.c (lvalue_p): Don't handle it.
8274         * expr.c (safe_from_p): Likewise.
8275         (expand_expr_real_1): Likewise.
8276         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
8277         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
8278         * gengtype.c (adjust_field_tree_exp): Likewise.
8279         * stmt.c (warn_if_unused_value): Likewise.
8280         * tree-gimple.c (recalculate_side_effects): Likewise.
8281         * tree-pretty-print.c (dump_generic_node): Likewise.
8282         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
8283         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
8284         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
8285
8286         * stmt.c (struct stmt_status): Remove x_last_expr_type,
8287         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
8288         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
8289         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
8290         all the bits that tracked last_expr.
8291         (expand_end_bindings): Don't track last_expr.
8292         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
8293         (clear_last_expr): Remove.
8294         (expand_asm): Don't call it.
8295         (expand_asm_operands, expand_end_cond): Likewise.
8296         (expand_naked_return, expand_null_return_1): Likewise.
8297         * c-typeck.c (c_begin_compound_stmt): Likewise.
8298         * cfgexpand.c (expand_block): Use expand_expr_stmt.
8299         * expr.c (expand_expr_real_1): Likewise.
8300         * tree.h: Update prototypes.
8301
8302         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
8303         (struct emit_status): Remove sequence_rtl_expr.
8304         (struct function): Remove x_rtl_expr_chain.
8305         (seq_rtl_expr, rtl_expr_chain): Remove.
8306         * function.c (struct temp_slot): Remove rtl_expr.
8307         (assign_stack_temp_for_type): Don't set it.
8308         (free_temp_slots, pop_temp_slots): Don't check it.
8309         (free_after_compilation): Don't clear x_rtl_expr_chain.
8310         (fixup_var_refs): Don't search it.
8311         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
8312         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
8313         or seq_rtl_expr.
8314         (push_topmost_sequence): Likewise.
8315         (end_sequence, init_emit): Likewise.
8316         (start_sequence_for_rtl_expr): Remove.
8317         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
8318         * rtl.h (preserve_rtl_expr_result): Remove.
8319
8320 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
8321
8322         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
8323         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
8324         typos.
8325
8326 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
8327
8328         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
8329         (STANDARD_STARTFILE_PREFIX_2): Define.
8330         (standard_startfile_prefix_1): Initialize to
8331         STANDARD_STARTFILE_PREFIX_1.
8332         (standard_startfile_prefix_2): Initialize to
8333         STANDARD_STARTFILE_PREFIX_2.
8334         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
8335         (STANDARD_STARTFILE_PREFIX_1): Define.
8336         (STANDARD_STARTFILE_PREFIX_2): Define.
8337         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
8338         (STANDARD_STARTFILE_PREFIX_2): Document.
8339
8340 2004-07-01  Richard Henderson  <rth@redhat.com>
8341
8342         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
8343         in order to disable scalarization.  Instead set a flag and wait
8344         for a candidate decl.
8345
8346 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
8347
8348         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
8349         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
8350         Use terminology "testsuite" and "enumerated".
8351
8352 2004-07-01  Richard Henderson  <rth@redhat.com>
8353
8354         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
8355         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
8356         (initial_return_save): Likewise.
8357         (flush_queued_reg_saves): Remap register numbers.
8358         (dwarf2out_return_reg): Likewise.
8359
8360 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8361
8362         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
8363
8364         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
8365         access functions for lower bound and element size and only output
8366         if lower bound nonzero or element size not same as that of type.
8367         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
8368
8369 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8370
8371         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
8372
8373 2004-07-01  Per Bothner  <per@bothner.com>
8374
8375         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
8376
8377 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
8378
8379         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
8380         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
8381         first operand.  Don't optimize if the bitfield is volatile.
8382
8383 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8384
8385         * c-pretty-print.c (pp_c_postfix_expression): Handle
8386         floating-point comparison operators.
8387         (pp_c_expression): Pass floating-point comparison
8388         operators to pp_c_postfix_expression.
8389
8390 2004-07-01  Roger Sayle  <roger@eyesopen.com>
8391
8392         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
8393         rtx_cost instead of "had_mult" to determine whether the transformed
8394         expression is cheaper than the original.
8395
8396 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
8397
8398         * alias.c (get_alias_set, canon_rtx, get_addr,
8399         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
8400         Use MEM_P.
8401         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
8402         expand_builtin): Likewise.
8403         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
8404         Likewise.
8405         * combine.c (can_combine_p, combinable_i3pat, try_combine,
8406         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
8407         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
8408         record_dead_and_set_regs_1, get_last_value_validate,
8409         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
8410         * cse.c (check_dependence, canon_hash, equiv_constant,
8411         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
8412         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
8413         count_reg_usage): Likewise.
8414         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
8415         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
8416         cselib_record_sets): Likewise.
8417         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
8418         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
8419         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
8420         * df.c (df_uses_record): Likewise.
8421         * dojump (do_jump): Likewise.
8422         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
8423         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
8424         decl_start_label): Likewise.
8425         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
8426         operand_subword, change_address_1, make_safe_from): Likewise.
8427         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
8428         stabilize, force_not_mem): Likewise.
8429         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
8430         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
8431         * expr.c (convert_move, convert_modes, emit_block_move,
8432         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
8433         emit_move_insn_1, expand_assignment, store_expr,
8434         store_constructor_field, store_constructor, store_field,
8435         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
8436         Likewise.
8437         * final.c (cleanup_subreg_operands, alter_subreg,
8438         get_mem_expr_from_op): Likewise.
8439         * flow.c (notice_stack_pointer_modification_1,
8440         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
8441         Likewise.
8442         * function.c (mark_temp_addr_taken, preserve_temp_slots,
8443         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
8444         optimize_bit_field, flush_addressof, purge_addressof_1,
8445         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
8446         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
8447         keep_stack_depressed): Likewise.
8448         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
8449         noce_process_if_block, find_memory): Likewise.
8450         * integrate.c (subst_constants, allocate_initial_values): Likewise.
8451         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
8452         update_equiv_regs): Likewise.
8453         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
8454         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
8455         * optabs.c (expand_abs, emit_unop_insn): Likewise.
8456         * passes.c (rest_of_handle_final): Likewise.
8457         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
8458         move2add_note_store): Likewise.
8459         * ra-build.c (detect_remat_webs): Likewise.
8460         * ra-debug.c (dump_static_insn_cost): Likewise.
8461         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
8462         * recog.c (validate_change, apply_change_group, cancel_changes,
8463         validate_replace_rtx_1, general_operand, register_operand,
8464         nonmemory_operand, push_operand, pop_operand, memory_operand,
8465         indirect_operand, asm_operand_ok, offsettable_memref_p,
8466         offsettable_nonstrict_memref_p, constrain_operands,
8467         store_data_bypass_p): Likewise.
8468         * reg-stack.c (subst_stack_regs_pat): Likewise.
8469         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
8470         copy_cost, reg_scan_mark_refs): Likewise.
8471         * regmove.c (optimize_reg_copy_3, stack_memref_p,
8472         combine_stack_adjustments_for_block): Likewise.
8473         * regrename.c (copyprop_hardreg_forward_1): Likewise.
8474         * reload.c (can_reload_into, push_reload, decompose, immune_p,
8475         find_reloads, find_reloads_address, find_reloads_address_1,
8476         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
8477         find_equiv_reg): Likewise.
8478         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
8479         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
8480         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
8481         delete_address_reloads): Likewise.
8482         * resource.c (mark_referenced_resources): Likewise.
8483         * rtlanal.c (get_jump_table_offset, count_occurrences,
8484         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
8485         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
8486         num_sign_bit_copies1): Likewise.
8487         * rtlhooks.c (gen_lowpart_general): Likewise.
8488         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
8489         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
8490         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
8491         sdbout_global_decl): Likewise.
8492         * simplify-rtx.c (simplify_subreg): Likewise.
8493         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
8494         expand_anon_union_decl, expand_end_case_type): Likewise.
8495         * unroll.c (calculate_giv_inc): Likewise.
8496         * var-tracking.c (stack_adjust_offset_pre_post,
8497         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
8498         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
8499         vt_add_function_parameters): Likewise.
8500         * varasm.c (make_var_volatile, notice_global_symbol,
8501         assemble_external, decode_addr_const, mark_weak,
8502         default_encode_section_info): Likewise.
8503
8504 2004-07-01  Steven Bosscher  <stevenb@suse.de>
8505
8506         * stmt.c (check_seenlabel): Remove.
8507         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
8508
8509 2004-07-01  Richard Henderson  <rth@redhat.com>
8510
8511         * function.h (struct function): Remove x_function_call_count.
8512         (function_call_count): Remove.
8513         * calls.c (expand_call): Don't set it.
8514         * integrate.c (copy_rtx_and_substitute): Likewise.
8515
8516         * function.h (struct function): Remove x_cleanup_label.
8517         (cleanup_label): Remove.
8518         * stmt.c (expand_value_return): Don't use it.
8519         * function.c (free_after_compilation): Don't set it.
8520         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
8521         * cfgexpand.c (tree_expand_cfg): Update call.
8522         * tree.h (expand_function_start): Update decl.
8523
8524 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
8525
8526         PR c/1027
8527         * c-lang.c (c_initialize_diagnostics): Move from here ...
8528         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
8529         (c_tree_printer): Use pretty-printer to format %T.
8530         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
8531         before '*' if not C++.
8532         (pp_c_direct_abstract_declarator): Don't try to print array upper
8533         bound for flexible array members.
8534         * c-tree.h: Include "diagnostic.h".
8535         (c_initialize_diagnostics): Declare.
8536         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
8537         * c-format.c (format_type_warning): New function.  Improve
8538         diagnostics for incorrect format argument types.
8539         (check_format_types): Use it.  Add two parameters.  Use the
8540         TYPE_MAIN_VARIANT of wanted_type.
8541         (check_format_info_main): Pass new parameters to
8542         check_format_types.
8543         (struct format_wanted_type): Update comment.
8544
8545 2004-07-01  Nick Clifton  <nickc@redhat.com>
8546
8547         * target.h (struct gcc_target): Add new field to struct cxx:
8548         import_export_class.
8549         * target-def.h (TARGET_CXX): Initialise the new field.
8550         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
8551         the new field.
8552         * doc/tm.texi: Document the new target hook.
8553
8554 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8555
8556         * builtins.c (fold_builtin_classify): Fix typo.
8557
8558 2004-07-01  Richard Henderson  <rth@redhat.com>
8559
8560         * function.c (identify_blocks, identify_blocks_1): Remove.
8561         * function.h (identify_blocks): Remove.
8562         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
8563
8564 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
8565
8566         * builtins.c (fold_builtin_classify): New.
8567         (fold_builtin_unordered_cmp): Fix commentary.
8568         (fold_builtin): Use it.
8569         * builtins.def: Define builtins for isnan,
8570         isnanf, isnanl, finite, finitef, finitel,
8571         isinf, isinff, isinfl.
8572
8573 2004-07-01  Richard Henderson  <rth@redhat.com>
8574
8575         * function.h (struct function): Remove dont_emit_block_notes.
8576         * gimple-low.c (lower_function_body): Don't set it.
8577         * cfgexpand.c (expand_block): Don't check it.
8578         * cfglayout.c (insn_locators_initialize): Likewise.
8579         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
8580         * passes.c (rest_of_compilation): Likewise.
8581         * stmt.c (expand_start_bindings_and_block): Likewise.
8582         (expand_end_bindings): Likewise.
8583
8584 2004-07-01  Richard Henderson  <rth@redhat.com>
8585
8586         * cgraph.h (cgraph_build_static_cdtor): Declare.
8587         * cgraphunit.c (cgraph_build_static_cdtor): New.
8588         * c-objc-common.c (build_cdtor): Use it.
8589         * coverage.c (create_coverage): Likewise.
8590         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
8591         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
8592
8593 See ChangeLog.11 for earlier changes.