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1 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
2
3         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
4         directory. 
5
6 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
7
8         * c-tree.h (struct c_expr): Define.
9         (C_SET_EXP_ORIGINAL_CODE): Remove.
10         (parser_build_binary_op, build_compound_expr): Update prototypes.
11         * c-parse.in (%union): Add exprtype.
12         (FUNC_NAME): Mark as ttype.
13         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
14         exprtype.
15         (expr): Update.  Define directly in terms of expr_no_commas
16         instead of using nonnull_exprlist.
17         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
18         offsetof_member_designator, typespec_nonreserved_nonattr, init,
19         initval, designator, component_declarator,
20         component_notype_declarator, enumerator, array_declarator,
21         condition, exexpr, switch_statement, stmt_nocomp, stmt,
22         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
23         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
24         where appropriate.
25         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
26         * c-common.c (c_common_truthvalue_conversion): Don't check
27         C_EXP_ORIGINAL_CODE.
28         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
29         Don't use C_EXP_ORIGINAL_CODE.
30         (default_conversion, default_function_array_conversion): Don't use
31         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
32         (internal_build_compound_expr): Merge into build_compound_expr.
33         (build_compound_expr): Take two operands instead of a TREE_LIST.
34         * objc/objc-act.c (get_super_receiver): Update calls to
35         build_compound_expr.
36
37 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
38
39         * config/sh/sh.c (sh_use_dfa_interface): Remove.
40         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
41         hook_int_void_1.
42         * config/sh/sh.md: Extract pipeline descriptions
43         into separate files.
44         * config/sh/sh1.md: New file, extracted from sh.md.
45         * config/sh/sh4.md: New file, extracted from sh.md.
46         * config/sh/shmedia.md: New file, extracted from sh.md
47         and rewritten using new-style pipeline description.
48
49 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
50
51         * config/pa/pa.md: Delete the two remaining define_peephole
52         patterns.
53
54 2004-07-18  Steven Bosscher  <stevenb@suse.de>
55             Joseph S. Myers  <jsm@polyomino.org.uk>
56
57         * c-common.c (c_common_truthvalue_conversion): Don't warn if
58         TREE_NO_WARNING is set.
59
60 2004-07-18  Roger Sayle  <roger@eyesopen.com>
61
62         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
63         simplify_builtin_strncmp): Delete.
64         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
65         Change argument to accept an arglist instead of an "exp".  Assume
66         that the return type is always integer_type_node.  Copy missing
67         transformations from their now obsolete simplify_builtin_*
68         equivalents.
69         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
70         fold_builtin_strcmp and fold_builtin_strncmp.
71         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
72         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
73         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
74
75 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
76
77         * Makefile.in (tree-alias-common.o): Update dependencies.
78
79 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
80
81         * cfgloop.c (flow_loop_nested_p): Fix comment.
82
83 2004-07-17  Jason Merrill  <jason@redhat.com>
84
85         PR c++/16115
86         * stor-layout.c (relayout_decl): New fn.
87         * tree.h: Declare it.
88         (DECL_BY_REFERENCE): New macro.
89
90 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
91
92         * libgcc2.c (__enable_execute_stack): New symbol.
93         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
94         and declare __enable_execute_stack.
95         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
96         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
97         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
98         ENABLE_EXECUTE_STACK.
99         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
100         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
101         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
102         ENABLE_EXECUTE_STACK.
103         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
104         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
105         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
106         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
107         ENABLE_EXECUTE_STACK.
108         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
109         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
110         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
111         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
112         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
113         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
114         (sparc64_initialize_trampoline): Likewise.
115         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
116
117 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
118
119         * langhooks.h (builtin_function): New langhook.
120         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
121         (LANG_HOOKS_INITIALIZER): Update.
122         * tree.h (builtin_function): Remove.
123         * doc/tm.texi: Update.
124         * c-tree.h (builtin_function): Declare.
125         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
126         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
127         config/ia64/ia64.c, config/iq2000/iq2000.c,
128         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
129         config/stormy16/stormy16.c: All callers of builtin_function
130         changed.
131
132 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
133
134         PR target/16556
135         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
136         Remove white space after the backslash.
137
138 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
139
140         PR rtl-optimization/16294
141         * resource.c (return_insn_p): New predicate.
142         (mark_target_live_regs): Use it.  Special-case return insns.
143         (init_resource_info): Use it.  Don't scan the epilogue past
144         a return.
145
146 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
147
148         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
149         destroy dominance information.
150         * passes.c (rest_of_handle_loop2):  Free dominance information.
151         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
152         jump threading.
153         (thread_jumps): Update dominance information and remove unreachable
154         blocks.
155         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
156         information and remove the unreachable block.
157
158 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
159
160         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
161
162 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
163
164         * doc/sourcebuild.texi: Remove libf2c entry.
165
166 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
167
168         * config/i386/i386.md (movv16qi_internal): Fix typo.
169
170 2004-07-17  Steven Bosscher  <stevenb@suse.de>
171
172         * final.c (final_scan_insn): Fix broken commit from previous
173         patch.
174
175 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
176
177         * c-typeck.c (parser_build_binary_op): Condition warnings for
178         X<=Y<=Z on -Wparentheses instead of -Wextra.
179         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
180         supported for C only.
181
182 2004-07-17  Steven Bosscher  <stevenb@suse.de>
183
184         * cfgcleanup.c (try_simplify_condjump): Don't remove line
185         notes to avoid unreachable code warnings.
186         * toplev.c (backend_init): Don't emit line notes for
187         unreachable code warnings.
188
189         * combine.c (distribute_notes): Don't distribute a
190         REG_VTABLE_REF note.
191         * final.c (final_scan_insn): Don't handle it.
192         * rtl.c (reg_note_name): Remove it.
193         * rtl.h (enum reg_node): Dito.
194
195         * emit-rtl.c (force_line_numbers, restore_line_number_status):
196         Remove.
197         * rtl.h (force_line_numbers, restore_line_number_status):
198         Remove prototypes.
199
200         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
201         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
202         (using_eh_for_cleanups): Also moved here.
203
204         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
205         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
206         to expand_start_case and add_case_node.
207         * stmt.c (struct nesting): Cleanup unused fields condition_code,
208         last_unconditional_cleanup, nominal_type, printname, and
209         line_number_status.
210         (struct fixup_goto): Remove.
211         (struct stmt_status): Remove x_goto_fixup_chain field.
212         (goto_fixup_chain): Remove.
213         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
214         pushcase, pushcase_range): Remove.
215         (expand_start_bindings_and_block): Don't set unused fields in
216         the nesting stack.
217         (expand_start_case, add_case_node): Cleanup unused formal arguments.
218         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
219         instead of emit_jump_if_reachable.
220         (emit_case_nodes): Likewise.
221         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
222         static.
223         (update_eh_label): Work around left-over exception handing regions.
224         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
225         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
226         (pass_cleanup_cfg_post_optimizing): New pass.
227         (init_tree_optimization_passes): Run the new pass after all
228         optimizations.
229         * tree.h (pushcase, pushcase_range): Remove prototypes.
230         (expand_start_case, add_case_node): Update prototypes.
231
232 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
233
234         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
235
236 2004-07-16  Richard Henderson  <rth@redhat.com>
237
238         * builtins.c (std_expand_builtin_va_arg): Remove.
239         (expand_builtin_va_arg): Remove.
240         * expr.h: Don't declare them.
241         * gimplify.c (mark_decls_volatile_r): Remove.
242         (copy_if_shared_r): Don't call it.
243         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
244         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
245         * gimple-low.c (lower_stmt): Likewise.
246         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
247         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
248         * tree-ssa-operands.c (get_expr_operands): Likewise.
249         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
250         EXPAND_BUILTIN_VA_ARG.
251         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
252         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
253         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
254         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
255
256 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
257
258         * tree-ssa-pre.c (insert_aux): Break out if we hit
259         a critical edge.
260
261 2004-07-16  Richard Henderson  <rth@redhat.com>
262
263         * basic-block.h (remove_fake_exit_edges): Declare.
264         * cfganal.c (remove_fake_predecessors): Rename from
265         remove_fake_successors; iterate over predecessors.
266         (remove_fake_exit_edges): New.
267         * cfgcleanup.c (try_optimize_cfg): Use it.
268         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
269         * predict.c (estimate_probability): Likewise.
270         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
271         * tree-cfg.c (make_edges): Likewise.
272         * tree-ssa-pre.c (fini_pre): Likewise.
273         * profile.c (instrument_edges): Don't remove_fake_edges.
274         (branch_prob): Do it earlier here.
275
276 2004-07-16  Richard Henderson  <rth@redhat.com>
277
278         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
279         switchification wrt CONSTRUCTOR.  Document the reason.
280
281 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
282
283         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
284         that prevented descriptive __mf_check source location strings.
285
286 2004-07-16  Richard Henderson  <rth@redhat.com>
287
288         * tree-def (WITH_SIZE_EXPR): New.
289         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
290         * expr.c (expand_expr_real_1): Likewise.
291         * gimplify.c (maybe_with_size_expr): New.
292         (gimplify_arg, gimplify_modify_expr): Use it.
293         (gimplify_modify_expr_to_memcpy): Take size parameter.
294         (gimplify_modify_expr_to_memset): Likewise.
295         (gimplify_expr): Handle WITH_SIZE_EXPR.
296         * tree-alias-common.c (find_func_aliases): Likewise.
297         * tree-eh.c (tree_could_trap_p): Likewise.
298         (tree_could_throw_p): Likewise.
299         * tree-gimple.c (is_gimple_lvalue): Likewise.
300         (get_call_expr_in): Likewise.
301         * tree-inline.c (estimate_num_insns_1): Likewise.
302         (expand_calls_inline): Likewise.
303         * tree-nested.c (convert_call_expr): Likewise.
304         * tree-pretty-print.c (dump_generic_node): Likewise.
305         * tree-sra.c (sra_walk_expr): Likewise.
306         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
307         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
308         * tree-ssa-operands.c (get_expr_operands): Likewise.
309         * tree-tailcall.c (find_tail_calls): Likewise.
310
311         * calls.c (expand_call): Reset old_stack_allocated after
312         calling emit_stack_restore.
313
314 2004-07-16  Richard Henderson  <rth@redhat.com>
315
316         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
317         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
318         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
319         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
320         copy_res_decl_for_inlining.
321
322         * tree-inline.c (declare_return_variable): New modify_dest argument.
323         Use it as the return value, when possible or manditory.  Handle
324         TREE_ADDRESSABLE types.
325         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
326         replacement of CALL_EXPR.
327
328 2004-07-16  Richard Henderson  <rth@redhat.com>
329
330         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
331         * gimple-low.c (expand_var_p): Don't check it.
332         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
333         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
334         * tree-ssa-operands.c (add_stmt_operand): Likewise.
335         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
336         (find_referenced_vars): Don't call them.
337         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
338
339 2004-07-16  Richard Henderson  <rth@redhat.com>
340
341         * function.c (pass_by_reference): True for all variable sized types.
342
343 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
344
345         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
346         * tree-pretty-print.c: Include tree-chrec.h.
347         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
348         and POLYNOMIAL_CHREC nodes.
349
350 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
351
352         * builtins.c (expand_builtin_stpcpy): Do not create temporary
353         reg with VOIDmode.
354
355 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
356
357         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
358
359 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
360
361         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
362         to BASE_REGNUM.
363         * config/s390/s390.c: Likewise.
364         * config/s390/s390.h: Likewise.
365
366 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
367
368         * config/mips/mips.md (addsi3, adddi3): Remove special handling
369         of $sp adds.  Remove REGNO checks from mips16 patterns.
370
371 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
372
373         * config/mips/mips.md: Delete outdated comment.
374
375 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
376
377         * config/mips/mips.c (get_float_compare_codes): Delete.
378         (mips_emit_compare): New function, mostly extracted from
379         get_float_compare_codes and gen_conditional_branch.
380         (gen_conditional_branch, gen_conditional_move): Use it.
381
382 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
383
384         * genautomata.c (add_vect): Speedup by using integers as
385         bit-vectors for walking through the comb_vect and finding
386         a match.
387
388 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
389
390         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
391         operand is an uns_arith_operand; use subtraction otherwise.
392         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
393         not just arith_operands.
394
395 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
396
397         * config/mips/mips-protos.h (gen_int_relational): Delete.
398         (mips_emit_scc): Declare.
399         * config/mips/mips.c (internal_test): Delete.
400         (sle_operand, sleu_operand): New functions.
401         (map_test_to_internal_test, gen_int_relational): Delete.
402         (mips_emit_binary, mips_relational_operand_ok_p)
403         (mips_emit_int_relational, mips_zero_if_equal)
404         (mips_emit_scc): New functions.
405         (gen_conditional_branch): Rework to use mips_emit_int_relational.
406         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
407         sleu_operand.
408         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
409         (sltu, sleu): Use mips_emit_scc.
410         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
411         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
412         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
413
414 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
415
416         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
417
418 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
419
420         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
421         (*sne_[sd]i): Likewise sne_[sd]i_zero.
422         (*sgt_[sd]i): ...and sgt_[sd]i.
423         (*slt_[sd]i): ...and slt_[sd]i.
424         (*sgtu_[sd]i): ...and sgtu_[sd]i.
425         (*sltu_[sd]i): ...and sltu_[sd]i.
426         (*sleu_[sd]i): ...and sleu_[sd]i_const.
427         Name previously unnamed mips16 patterns.  Formatting fixes.
428
429 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
430
431         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
432         (branch_type): Delete.
433         (gen_conditional_branch, gen_conditional_move)
434         (mips_gen_conditional_trap): Update after name change.  Get the
435         comparison mode from cmp_operands[0].
436         * config/mips/mips.h (cmp_type, branch_type): Delete.
437         (cmp_operands): Renamed from branch_cmp.
438         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
439         name change.  Don't set branch_type.
440         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
441         mode class of cmp_operands[0] rather than branch_type.  Update after
442         name change.
443
444 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
445
446         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
447         of 0...255 to 0 when inside a SET.
448
449 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
450
451         * config/mips/mips.md: Remove mips16 define_peepholes.
452
453 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
454
455         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
456         (fini_pre): Remove fake edges.
457
458 2004-07-15  Richard Henderson  <rth@redhat.com>
459
460         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
461         (get_indirect_ref_operands, get_call_expr_operands): ... these.
462
463 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
464
465         * vec.h (VEC_address): New function.
466
467 2004-07-14  Jason Merrill  <jason@redhat.com>
468
469         PR middle-end/15885
470         * gimplify.c (gimplify_arg): New fn, split out from...
471         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
472
473 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
474
475         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
476         generate code which is generated by pushqi1 now
477         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
478
479 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
480
481         * combine.c (simplify_set): match the mode of the constant 0 with
482         the tested operand to match the compare behaviour and the
483         simplify_relational_operation() expectation.
484
485 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
486
487         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
488         ("bordered"): Same.
489
490 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
491
492         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
493         unconditionally.
494         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
495
496 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
497
498         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
499         calls in mips16 code.
500
501 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
502
503         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
504         the destination of the li as well as for the neg.
505
506 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
507
508         g++/15861
509         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
510         * cgraph.h: Update declaration.
511         * c-decl.c (build_cdtor): Update call with default priority.
512         * coverage.c (create_coverage): Ditto.
513         * tree-mudflap.c (mf_init_fndecl): New tree.
514         (mudflap_init): Set it.
515         (mudflap_register_call): Arrange to call __mf_init before the first
516         __mf_register call.
517         (mudflap_finish_file): Mark the mudflap static initializer as extra
518         high priority, to beat all C++ static constructors.
519
520 2004-07-15  Jeff Law  <law@redhat.com>
521
522         * loop.c (check_insn_for_givs): Restore check for code labels that was
523         accidentally deleted by a recent checkin.
524
525 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
526
527         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
528         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
529
530 2004-07-14  Richard Henderson  <rth@redhat.com>
531
532         * print-tree.c (print_node): Fix casts last change.
533
534 2004-07-15  Paul Brook  <paul@codesourcery.com>
535
536         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
537         to TARGET_UNWIND_INFO.
538         * except.c (output_function_exception_table): Ditto.
539         * except.h: Ditto.
540         * opts.c (decode_options): Ditto.
541         * passes.c (rest_of_handle_final): Ditto.
542         * final.c (final_start_function): Ditto.
543         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
544         target hook.
545         * targhooks.h (default_unwind_emit): Declare.
546         * targhooks.c (default_unwind_emit): New function.
547         * target-def.h: Define and use TARGET_UNWIND_EMIT.
548         * target.h (struct gcc_target): Add unwind_emit.
549         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
550         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
551         Remove IA64_UNWIND_EMIT.
552         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
553
554 2004-07-14  Richard Henderson  <rth@redhat.com>
555
556         * print-tree.c (print_node): Handle SSA_NAME.
557
558 2004-07-14  James E Wilson  <wilson@specifixinc.com>
559
560         PR target/16325
561         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
562         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
563
564 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
565
566         * expr.c (expand_assignment): Reenable bitfield += optimizations.
567         Use alias set 0 for memory, do proper mode calculations and adjust
568         address for memories.
569
570 2004-07-14  Per Bothner  <per@bothner.com>
571
572         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
573         structure with extra column field.
574         * tree.c (expand_location):  Also fill in column field.
575         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
576         gets confused by the two conditionally-compiled definitions.
577
578 2004-07-14  Eric Christopher  <echristo@redhat.com>
579
580         * calls.c (expand_call): Fix typo in comment.
581
582 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
583
584         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
585         comparision of TFmode.
586
587 2004-07-14  Richard Henderson  <rth@redhat.com>
588
589         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
590         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
591         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
592         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
593         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
594         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
595         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
596         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
597         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
598
599 2004-07-14  Mike Stump  <mrs@apple.com>
600
601         * config/darwin.h (WINT_TYPE): Define to be int to match
602         system header files.
603
604 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
605
606         * config/xtensa/xtensa.c (function_arg_advance): Check for args
607         that must be passed in the stack.
608         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
609         arguments if the size is not a constant.
610
611 2004-07-14  Per Bothner  <per@bothner.com>
612
613         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
614         instead of EXPR_LOCUS in a boolean context, which is always true
615         if --enable-mapped-location.
616         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
617
618 2004-07-14  Richard Henderson  <rth@redhat.com>
619
620         * dominance.c (struct dom_info): Add fake_exit_edge.
621         (init_dom_info): Allocate it.
622         (free_dom_info): Free it.
623         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
624         in two passes.
625         (calc_idoms): Honor fake_exit_edge.
626
627 2004-07-13  Jason Merrill  <jason@redhat.com>
628
629         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
630         (rhs_test_for): New fn.
631         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
632         * tree-gimple.h: Declare them.
633         * gimplify.c (gimplify_modify_expr): Use the new fns.
634
635 2004-07-14  Richard Henderson  <rth@redhat.com>
636
637         * config/arm/arm-protos.h (arm_va_arg): Remove.
638         * config/arm/arm.c (arm_va_arg): Remove.
639         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
640         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
641
642 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
643
644         * pa.c (fix_range): New function to mark a range(s) of registers as
645         fixed registers.
646         (override_options): Call fix_range if the -mfixed-range option string
647         is not empty.
648         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
649         * doc/invoke.texi (-mfixed-range): Document new option.
650
651 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
652
653         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
654         for TARGET_64BIT.
655         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
656
657 2004-07-14  Roger Sayle  <roger@eyesopen.com>
658
659         * expmed.c (expand_sdiv_pow2): New function to expand signed division
660         by a positive power of two, split out from expand_divmod.  Provide
661         an alternate implementation when shifts are expensive.  Lower the
662         threshold for using a branchless implementation to BRANCH_COST >= 2.
663         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
664
665 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
666
667         * tree-dfa.c (make_rename_temp): *Really* work just
668         like create_tmp_var if called while outside SSA form.
669
670 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
671
672         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
673         for division by zero.
674         ("umodsi3"): Likewise.
675
676 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
677
678         * config/mips/mips.c (mips_output_move): When generating mips16 code,
679         force loads of negative constants to be split.
680         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
681         Generalize SImode li/neg splitter to cope with other modes.
682
683 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
684
685         * expmed.c: Remove more references to QUEUED in the comments.
686         * expr.c: Likewise.
687
688 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
689
690         Revert:
691         2004-07-13  Richard Henderson  <rth@redhat.com>
692         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
693         correctly.
694
695 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
696
697         * tree-dfa.c (make_rename_temp): Work just like
698         create_tmp_var if called while outside SSA form.
699
700 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
701
702         * expr.c (enqueue_insn, finish_expr_for_function,
703         protect_from_queue, queued_subexp_p, mark_queue,
704         emit_insns_enqueued_after_mark, emit_queue,
705         expand_increment): Remove.
706         (store_constructor): Expand increment as an assignment.
707         (expand_expr_real_1 <case PREINCREMENT_EXPR,
708         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
709         case POSTDECREMENT_EXPR>): Abort.
710         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
711         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
712         protect_from_queue, emit_queue, queued_subexp_p): Remove.
713         * function.h (pending_chain, x_pending_chain): Remove.
714         * rtl.def (QUEUED): Remove.
715
716         * emit-rtl.c (copy_insn_1, copy_most_rtx,
717         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
718         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
719         encode_units_mask): Likewise.
720         * local-alloc.c (equiv_init_varies_p): Likewise.
721         * rtl.c (copy_rtx): Likewise.
722         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
723         * simplify-rtx.c (simplify_gen_subreg): Likewise.
724         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
725
726         * builtins.c (expand_builtin, expand_builtin_apply,
727         expand_builtin_mathfn, expand_builtin_mathfn_2,
728         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
729         Remove calls to emit_queue and protect_from_queue.
730         * calls.c (expand_call, precompute_arguments,
731         precompute_register_parameters, rtx_for_function_call,
732         store_one_arg): Likewise.
733         * dojump.c (do_compare_and_jump, do_jump): Likewise.
734         * explow.c (memory_address): Likewise.
735         * expmed.c (clear_by_pieces_1, clear_storage,
736         clear_storage_via_libcall, emit_group_load,
737         emit_group_store, emit_store_flag,
738         expand_expr_real_1, store_by_pieces,
739         store_constructor, store_expr, try_casesi,
740         try_tablejump): Likewise.
741         * function.c (expand_pending_sizes): Likewise.
742         * optabs.c (emit_cmp_and_jump_insns,
743         emit_conditional_add, emit_conditional_move,
744         expand_fix, expand_float, prepare_cmp_insn): Likewise.
745         * stmt.c (emit_case_bit_tests,
746         expand_asm_expr, expand_computed_goto,
747         expand_decl_init, expand_end_case_type,
748         expand_end_stmt_expr, expand_expr_stmt_value,
749         expand_return, expand_start_case,
750         optimize_tail_recursion): Likewise.
751         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
752         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
753
754 2004-07-14  Ben Elliston  <bje@au.ibm.com>
755
756         * vec.h: Comment fix.
757
758 2004-07-13  Richard Henderson  <rth@redhat.com>
759
760         * target.h (struct gcc_target): Add calls.pass_by_reference.
761         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
762         * function.c (pass_by_reference): Use the hook.
763         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
764         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
765         (hook_pass_by_reference_must_pass_in_stack): New.
766         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
767         (alpha_pass_by_reference): New.
768         (TARGET_PASS_BY_REFERENCE): New.
769         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
770         * config/arc/arc.c (arc_pass_by_reference): New.
771         (TARGET_PASS_BY_REFERENCE): New.
772         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
773         (FUNCTION_ARG_CALLEE_COPIES): True.
774         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
775         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
776         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
777         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
778         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
779         * config/cris/cris.c (cris_pass_by_reference): New.
780         (TARGET_PASS_BY_REFERENCE): New.
781         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
782         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
783         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
784         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
785         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
786         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
787         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
788         (frv_function_arg_pass_by_reference): Remove.
789         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
790         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
791         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
792         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
793         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
794         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
795         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
796         (ia64_pass_by_reference): Rename from
797         ia64_function_arg_pass_by_reference.
798         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
799         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
800         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
801         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
802         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
803         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
804         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
805         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
806         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
807         (m32r_pass_by_reference): Adjust prototype.  Make static.
808         Handle mode sizes correctly.
809         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
810         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
811         (m68hc11_function_arg_pass_by_reference): Remove.
812         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
813         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
814         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
815         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
816         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
817         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
818         (mips_va_arg): Use pass_by_reference.
819         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
820         Handle mode sizes correctly.
821         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
822         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
823         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
824         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
825         (mmix_pass_by_reference): Rename from
826         mmix_function_arg_pass_by_reference.
827         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
828         (FUNCTION_ARG_CALLEE_COPIES): True.
829         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
830         (mn10300_pass_by_reference): New.
831         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
832         (FUNCTION_ARG_CALLEE_COPIES): True.
833         * config/pa/pa.c (pa_pass_by_reference): New.
834         (TARGET_PASS_BY_REFERENCE): New.
835         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
836         (FUNCTION_ARG_CALLEE_COPIES): True.
837         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
838         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
839         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
840         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
841         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
842         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
843         (s390_pass_by_reference): Rename from
844         s390_function_arg_pass_by_reference.
845         (s390_function_arg_advance): Don't query pass-by-ref.
846         (s390_function_arg): Likewise.
847         (s390_gimplify_va_arg): Use pass_by_reference.
848         (s390_call_saved_register_used): Likewise.
849         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
850         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
851         (shcompact_byref, sh_pass_by_reference): New.
852         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
853         (SHCOMPACT_BYREF): Remove.
854         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
855         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
856         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
857         (sparc_gimplify_va_arg): Use pass_by_reference.
858         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
859         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
860         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
861         (v850_pass_by_reference): New.
862         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
863         (FUNCTION_ARG_CALLEE_COPIES): True.
864         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
865         FUNCTION_ARG_PASS_BY_REFERENCE docs.
866
867 2004-07-14  Richard Henderson  <rth@redhat.com>
868             Richard Sandiford  <rsandifo@redhat.com>
869
870         * config/mips/mips-protos.h (mips_va_arg): Delete.
871         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
872         * config/mips/mips.c: Include tree-gimple.h.
873         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
874         (mips_arg_info): Remove special handling of must_pass_in_stck args.
875         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
876         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
877
878 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
879
880         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
881         arguments for COND_EXPR in big-endian adjustment code.
882
883 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
884
885         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
886         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
887         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
888         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
889
890 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
891
892         PR tree-optimization/16443
893         * tree-ssa-alias.c: Add more description for
894         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
895         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
896         clobbering of call-clobbered and addressable variables.  If
897         there are any before aliases have been computed, add them.
898
899 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
900
901         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
902         verification.
903
904 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
905
906         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
907         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
908         to the same type.
909
910 2004-07-13  Per Bothner  <per@bothner.com>
911
912         * collect2.c (main):  Handle --no-demangle and --demangle flags.
913
914 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
915
916         * Makefile.in (OBJS-common): Add tree-data-ref.o.
917         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
918         (tree-data-ref.o): New rule.
919         * lambda.h: New file.
920         * tree-data-ref.c: New file.
921         * tree-data-ref.h: New file.
922         * tree.c (int_cst_value, tree_fold_gcd): New functions.
923         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
924
925 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
926
927         PR target/13926
928         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
929         * config/sparc/sparc.c (output_ubranch): New function.
930         * config/sparc/sparc.md (jump pattern): Use it.
931
932 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
933
934         PR target/16494
935         * config/sparc/sparc.c (output_cbranch): Properly guard
936         the code handling far branches with TARGET_V9.
937         * config/sparc/sparc.md (length attribute): Document the
938         side-effect of having a length greater or equal to 3.
939
940 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
941             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
942
943         PR target/15186
944         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
945         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
946
947 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
948             Martin Sebor  <sebor@roguewave.com>
949
950         PR target/12602
951         * doc/invoke.texi (SPARC options): Document -threads
952         and -pthreads on Solaris.
953
954 2004-07-13  Richard Henderson  <rth@redhat.com>
955
956         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
957         by reference.
958         (ind_gimplify_va_arg_expr): Remove.
959         * tree.h (ind_gimplify_va_arg_expr): Remove.
960         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
961         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
962         argsp to be null.
963
964         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
965         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
966         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
967         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
968         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
969
970 2004-07-13  Richard Henderson  <rth@redhat.com>
971
972         * function.c (pass_by_reference): New.
973         (assign_parm_find_data_types): Use it.
974         * calls.c (initialize_argument_information): Likewise.
975         (emit_library_call_value_1): Likewise.
976         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
977         * function.h (pass_by_reference): Declare.
978
979 2004-07-13  Richard Henderson  <rth@redhat.com>
980
981         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
982         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
983         * expr.h (MUST_PASS_IN_STACK): Remove.
984         * system.h (MUST_PASS_IN_STACK): Poison.
985         * tree.h (must_pass_in_stack_var_size): Declare.
986         (must_pass_in_stack_var_size_or_pad): Declare.
987         * calls.c (must_pass_in_stack_var_size): New.
988         (must_pass_in_stack_var_size_or_pad): Rename from
989         default_must_pass_in_stack.
990         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
991         (TARGET_MUST_PASS_IN_STACK): New.
992         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
993         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
994         (TARGET_MUST_PASS_IN_STACK): New.
995         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
996         * config/frv/frv.c (frv_must_pass_in_stack): New.
997         (TARGET_MUST_PASS_IN_STACK): New.
998         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
999         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
1000         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
1001         (ix86_must_pass_in_stack): Make static.
1002         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
1003         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
1004         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
1005         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
1006         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
1007         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
1008         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
1009         (mcore_must_pass_on_stack): Remove.
1010         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
1011         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
1012         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
1013         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
1014         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
1015         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
1016         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
1017         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
1018         (TARGET_MUST_PASS_IN_STACK): New.
1019         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
1020         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
1021         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
1022         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
1023         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
1024         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
1025         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
1026         MUST_PASS_IN_STACK.
1027
1028         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
1029         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
1030         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
1031         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
1032         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
1033         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
1034         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
1035         config/xtensa/xtensa.c: Use target hook.
1036
1037 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
1038
1039         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
1040         * configure: Rebuilt.
1041
1042 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1043
1044         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
1045         * config/mips/mips.h (mips_reg_names): Don't declare.
1046         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
1047         (TARGET_NAME_REGS): Delete.
1048         (TARGET_SWITCHES): Remove -mrnames.
1049         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
1050         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
1051         in REGISTER_NAMES.
1052         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
1053         (override_options): Remove handling of TARGET_NAME_REGS.
1054
1055 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
1056
1057         * config/mips/mips.h (TARGET_*): Boolify.
1058
1059 2004-07-12  Nick Clifton  <nickc@redhat.com>
1060
1061         * config.gcc: Add sh-*-symbianelf target.
1062         * config/sh/sh.c: Add new target macros:
1063         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
1064         TARGET_CXX_IMPORT_EXPORT_CLASS.
1065         (sh_file_start): Create a definition of the .directive section.
1066         (sh_attribute): Add dllimport and dllexport attributes.
1067         * config/sh/symbian-pre.h: New file.
1068         * config/sh/symbian-post.h: New file.
1069         * config/sh/symbian.c: New file. Contains Symbian specific
1070         functions.
1071         * config/sh/sh-protos.h: Add prototypes for new functions
1072         provided by symbian.c.
1073         * config/sh/t-symbian: New file.
1074         * doc/extend.texi: Document support for dllimport and dllexport
1075         attributes by the sh-symbianelf target.
1076
1077 2004-07-12  James E Wilson  <wilson@specifixinc.com>
1078
1079         * Makefile.in (AR): Use @AR@ not ar.
1080         (NM): New.
1081         (AR_FOR_TARGET): Use $(AR) not ar for native.
1082         (NM_FOR_TARGET): Use $(NM) not nm for native.
1083         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
1084         * configure: Regenerate.
1085
1086 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
1087
1088         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
1089         special case.
1090         (ashldi3_sp64): Likewise.
1091
1092 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1093
1094         PR target/16477
1095         * pa.c (function_arg): Update comment.
1096         * pa.h (BLOCK_REG_PADDING): Define.
1097
1098 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1099
1100         PR tree-optimization/16461
1101         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
1102         arguments of phi nodes.
1103
1104 2004-07-12  Devang Patel  <dpatel@apple.com>
1105
1106         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
1107
1108 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
1109
1110         * function.c (expand_function_start): Ensure r_save is in Pmode.
1111         * calls.c (prepare_call_address): Ensure static_chain_value is
1112         in Pmode.
1113         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
1114         r_save_area are in Pmode.
1115         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
1116         fnaddr, and static_chain are in Pmode.
1117
1118 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
1119
1120         PR target/16445
1121         * config/ia64/ia64.c (bundling): Don't count ignored insns.
1122
1123 2004-07-12  Richard Henderson  <rth@redhat.com>
1124
1125         * target.h (struct gcc_target): Move gimplify_va_arg_expr
1126         next to build_builtin_va_list.
1127         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
1128         * builtins.c (gimplify_va_arg_expr): Likewise.
1129         * gimplify.c (copy_if_shared_r): Likewise.
1130
1131 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
1132
1133         * passes.c (rest_of_decl_compilation): Don't defer call of
1134         assemble_variable if its DECL_RTL is already set.
1135
1136 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
1137
1138         * cfgloop.h (struct loop): Add nb_iterations field.
1139         (current_loops): Declare.
1140         * tree-chrec.c (chrec_not_analyzed_yet,
1141         chrec_dont_know, chrec_known, count_ev_in_wider_type,
1142         chrec_contains_symbols_defined_in_loop): Remove the temporary
1143         hooks.
1144         * tree-flow-inline.h (loop_containing_stmt): New function.
1145         * tree-scalar-evolution.c: Add implementation.
1146         * tree-scalar-evolution.h: Add declarations.
1147
1148 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
1149
1150         PR rtl-optimization/15921
1151         * Makefile.in (global.o): Add recog.h.
1152
1153         * global.c (recog.h): Add the include-clause.
1154         (bb_info): New member earlyclobber.
1155         (allocate_bb_info, free_bb_info): Initialize/finish the new
1156         member.
1157         (earlyclobber_regclass, earlyclobber_regclass_length): The new
1158         global variables.
1159         (check_earlyclobber, regclass_intersect,
1160         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
1161         New functions.
1162         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
1163         (make_accurate_live_analysis): Modify pavin.
1164
1165 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
1166
1167         * tree-cfg.c (find_taken_edge): Statically compute the truth
1168         value of a predicate comparing an SSA_NAME to itself.
1169
1170 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1171
1172         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
1173         rs6000 doesn't have shift-and-add or shift-and-sub instructions
1174         by returning the cost of a multiplication plus an addition.
1175
1176 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1177
1178         PR tree-optimization/14107
1179         * gimplify.c (gimplify_return_expr): Accept a
1180         RETURN_EXPR with an error argument.
1181         * tree-optimize.c (init_tree_optimization_passes):
1182         Run pass_warn_function_return at -O0.
1183
1184 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1185
1186         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
1187         index entry.
1188
1189 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
1190
1191         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
1192         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1193         * config/mips/3000.md: Add copyright notice.  Remove automota and
1194         function units; use generic ones instead.  Only define reservations
1195         for things that are different from generic.md.  Extend each clause
1196         to include r3900.
1197         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
1198         * config/mips/mips.md: Include them. Remove define_function_units.
1199         (alu, imuldiv): New automata and units.
1200
1201 2004-07-12  Ben Elliston  <bje@au.ibm.com>
1202
1203         * doc/invoke.texi (Optimize Options): Document -frename-registers
1204         not being enabled by default at -O3.
1205
1206 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1207
1208         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
1209         floating point additions, to keep real immediate constant positive.
1210         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
1211         into X + C, and leave positive real constants as X - C.
1212
1213 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1214
1215         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
1216
1217 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1218
1219         PR tree-optimization/15654
1220         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
1221
1222 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1223
1224         * builtins.c (fold_builtin_fputs): Don't bother converting the
1225         return type to integer_type_node, as we've already checked that
1226         the result will be ignored.
1227
1228         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
1229         that signed addition, subtraction, multiplication, division,
1230         remainder, negation and absolute value may potentially trap.
1231
1232         * fold-const.c (fold_ignored_result): New function to strip
1233         non-side-effecting tree nodes from an expression whose result
1234         is ignored.
1235         (fold_convert): Call fold_ignored_result when casting a value
1236         to VOID_TYPE.
1237         (omit_one_operand):  Call fold_ignored_result on the "omitted"
1238         operand when building a COMPOUND_EXPR.
1239         (pedantic_omit_one_operand): Likewise.
1240         * tree.h (fold_ignored_result): Prototype here.
1241         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
1242         when we're going to ignore the result.
1243
1244 2004-07-11  Richard Henderson  <rth@redhat.com>
1245
1246         PR tree-opt/16383
1247         * tree-ssa-ccp.c (fold_stmt_r): Split out...
1248         * tree.c (fields_compatible_p, find_compatible_field): ... new.
1249         * tree.h (fields_compatible_p, find_compatible_field): Declare.
1250         * tree-sra.c (sra_hash_tree): Hash fields by offset.
1251         (sra_elt_eq): Use fields_compatible_p.
1252         (generate_one_element_ref): Use find_compatible_field.
1253
1254 2004-07-11  Richard Henderson  <rth@redhat.com>
1255
1256         PR tree-opt/16422
1257         * tree-sra.c (generate_one_element_init): New.
1258         (generate_element_init): Use it.
1259         (scalarize_init): Push/pop gimplify context around it.
1260         (find_new_referenced_vars_1, find_new_referenced_vars): New.
1261         * gimplify.c (gimplify_expr): Allow SSA_NAME.
1262
1263 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1264
1265         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
1266         combine.c's combine_insn_cost.
1267         * rtl.h (insn_rtx_cost): Prototype here.
1268         * combine.c (combine_insn_cost): Delete function.
1269         (combine_validate_cost): Update callers of combine_insn_cost to
1270         call insn_rtx_cost instead.
1271         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
1272         requesting the rtx_cost of call and/or jump instructions.
1273
1274         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
1275         rtx_cost directly.  Don't request/use the cost of call or jump
1276         instructions.  Return -1 if the cost of any instruction can't be
1277         determined (or the BB contains a function call).
1278         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
1279         -1 (i.e. can't determine the cost of any instruction or the basic
1280         block contains a subroutine call).
1281         (find_if_case_2): Likewise.
1282
1283 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1284
1285         * rs6000.c (struct processor_costs): Change semantics of fields to
1286         include the COST_N_INSNS scaling, and update all initializers.
1287         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
1288         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
1289         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
1290         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
1291
1292 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1293
1294         * LANGUAGES: Remove obsolete information.
1295
1296 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1297
1298         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
1299         SIGBUS signal frames, the PSW address points *to* the faulting
1300         instruction, not after it.
1301
1302 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1303
1304         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
1305         added to TLS symbol addresses.
1306
1307 2004-07-11  Richard Henderson  <rth@redhat.com>
1308
1309         * expmed.c (init_expmed): Use stack-local structures for
1310         temporary rtl.  Don't recognize shifts.
1311
1312 2004-07-11  Richard Henderson  <rth@redhat.com>
1313
1314         * expr.c (store_expr): Don't fiddle subreg promotion for types
1315         with precision smaller than the mode.
1316
1317 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1318
1319         * tree.h (all_types_permanent): Remove.
1320
1321 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1322
1323         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
1324         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
1325         * langhooks.c (lhd_clear_binding_stack): Remove.
1326         * langhooks-def.h (lhd_clear_binding_stack,
1327         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1328         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
1329         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
1330         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1331         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
1332         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
1333         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
1334         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1335         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
1336         * tree.h (poplevel): Don't declare.
1337         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
1338         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1339         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
1340         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
1341         Remove.
1342
1343 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1344
1345         PR tree-optimization/16437
1346         * c-common.c (shorten_compare): Don't mark result of conversion to
1347         narrower signed type as overflowing.
1348         * fold-const.c (decode_field_reference): Determine whether
1349         signedness comes from outer type using precision rather than size.
1350
1351 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1352
1353         * configure.ac:  Alphabetize --enable-checking list, add
1354         missing valgrind entry.
1355         * configure:  Regenerate.
1356
1357 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1358
1359         * doc/install.texi (Testing):  Fix syntax in "make check" example.
1360
1361 2004-07-10  James E Wilson  <wilson@specifixinc.com>
1362
1363         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
1364
1365 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1366
1367         PR rtl-optimization/16001
1368         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
1369         niter_expr.
1370
1371 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
1372
1373         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
1374
1375 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
1376             James Morrison  <phython@gcc.gnu.org>
1377
1378         * doc/contrib.texi (Contributors): Add gfortran contributors and
1379         fix a couple of typos.
1380
1381 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1382
1383         PR rtl-optimization/15387
1384         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
1385         to incoming args space correctly.
1386
1387 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1388
1389         * pa.c (output_indirect_call): Only use %r2 as the link register in
1390         indirect calls with the long PA 2.0 pc-relative branch.
1391
1392 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
1393
1394         * config/i386/i386.c (override_options): Pick a 64-bit CPU
1395         for the default tuning if TARGET_64BIT.
1396
1397 2004-07-10  Richard Henderson  <rth@redhat.com>
1398
1399         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
1400         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
1401
1402 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
1403
1404         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
1405         * expmed.c (store_bit_field, extract_bit_field): Remove last
1406         argument.
1407         * builtins.c (expand_builtin_signbit): Adjust callers.
1408         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
1409         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
1410         * ifcvt.c (noce_emit_move_insn): Likewise.
1411         * stmt.c (expand_return): Likewise.
1412         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
1413         store_field, expand_expr_real_1): Likewise.
1414
1415 2004-07-10  Richard Henderson  <rth@redhat.com>
1416
1417         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
1418
1419 2004-07-09  Mike Stump  <mrs@apple.com>
1420
1421         * config/darwin.c (no_dead_strip): Add.
1422         (HAVE_DEAD_STRIP): Add.
1423         (darwin_emit_unwind_label): Ensure that we don't dead code strip
1424         the .eh label.
1425
1426 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1427
1428         * tree-ssa-loop-im.c: New file.
1429         * Makefile.in (tree-ssa-loop-im.o): Add.
1430         * cfgloop.c (superloop_at_depth): New function.
1431         * cfgloop.h (superloop_at_depth): Declare.
1432         * common.opt (ftree-lim): New flag.
1433         * expr.c (array_ref_up_bound): New function.
1434         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
1435         * timevar.def (TV_LIM): New timevar.
1436         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
1437         computing immediate uses of a phi node.
1438         * tree-flow.h (struct tree_ann_common_d): Add aux field.
1439         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
1440         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
1441         * tree-pass.h (pass_lim): Declare.
1442         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
1443         functions.
1444         (pass_lim): New pass structure.
1445         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
1446         * tree.c (in_array_bounds_p): New function.
1447         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
1448         (in_array_bounds_p, array_ref_up_bound): Declare.
1449         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
1450         * doc/passes.texi (tree-ssa-loop-im.c): Document.
1451
1452 2004-07-09  Richard Henderson  <rth@redhat.com>
1453
1454         * builtins.c (expand_builtin_stpcpy): Don't modify len.
1455
1456         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
1457         with prejudice.
1458
1459 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
1460
1461         * flags.h: Delete redundant prototypes that are being generated
1462         in options.h from common.opt.
1463         * common.opt: Add in the expository comments formerly in flags.h.
1464
1465 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1466
1467         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
1468         available for use only when TARGET_MMX/_SSE is set, and check for
1469         variable argument function if any register count is non-zero.
1470         (function_arg): Correctly suppress repeated warnings for passing SSE
1471         vectors are arguments without SSE enabled.
1472         (ix86_function_arg_boundary): Without SSE enabled, the use of what
1473         would be SSE register modes does no longer influence the alignment.
1474
1475 2004-07-09  Richard Henderson  <rth@redhat.com>
1476
1477         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
1478         Always align upward to arg boundary.  Use size_in_bytes/round_up.
1479         Maintain type-correctness of constants.
1480         * stor-layout.c (round_up, round_down): Special-case powers of 2.
1481
1482 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1483
1484         * config/sparc/sparc.c (*_costs): Scale instruction costs
1485         by COSTS_N_INSNS.
1486         (sparc_rtx_costs): Adjust as appropriate.
1487
1488 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1489
1490         * config/i386/mm3dnow.h: New.
1491         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
1492
1493 2004-07-09  Richard Henderson  <rth@redhat.com>
1494
1495         * simplify-rtx.c (simplify_const_relational_operation): Only
1496         look at bounds of scalar integers.
1497
1498 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1499
1500         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
1501
1502 2004-07-09  Andrew Pinski  <apinski@apple.com>
1503
1504         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
1505         always referenced.
1506         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
1507         UOBJC_METACLASS_decl.
1508
1509 2004-07-09  James E Wilson  <wilson@specifixinc.com>
1510
1511         PR target/16364
1512         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
1513         do return a parallel if hfa_mode == XFmode and mode == TImode.
1514
1515 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1516
1517         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
1518         permissible for unary plus.
1519
1520 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1521
1522         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
1523         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
1524         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
1525         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
1526         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
1527         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
1528         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
1529         (BUILTIN_xxxIMAX): New.
1530         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
1531         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
1532         BUILT_IN_PARITYIMAX.
1533
1534 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1535
1536         * config/sparc/sparc.h (processor_costs): Define.
1537         (sparc_costs): Declare.
1538         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
1539         hypersparc_costs, sparclet_costs, ultrasparc_costs,
1540         ultrasparc3_costs): New.
1541         (sparc_override_options): Set sparc_costs as appropriate.
1542         (sparc_rtx_costs): Use sparc_costs instead of messy
1543         conditionals.
1544
1545 2004-07-09  Steven Bosscher  <stevenb@suse.de>
1546
1547         * doc/md.texi (Processor pipeline description): Mention that
1548         the old pipeline description is deprecated.
1549
1550         * config/rs6000/7450.md (automaton ppc7450): Split up, move
1551         mciu_7450 function unit to...
1552         (automaton ppc7450mciu): ...new automaton.
1553
1554         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
1555         (schedule_block): Don't consider inserting bubbles.
1556         (sched_init): Don't initialize DFA bubbles.
1557         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
1558         TARGET_SCHED_DFA_BUBBLE): Remove.
1559         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
1560         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
1561         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
1562
1563         * stmt.c (conditional_context): Remove prototype.
1564         * tree.h (conditional_context): Remove.
1565         * tree-cfg.c (pre_insert_on_edge): Remove.
1566
1567         * c-common.h (c_expand_asm_operands): Remove prototype.
1568         * c-typeck.c (c_expand_asm_operands): Remove.
1569
1570 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1571
1572         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
1573         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
1574         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
1575         and V8QI are class SSE. All sufficiently small remaining vector modes
1576         must be passed in one or two integer registers.
1577         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
1578         returned in memory.
1579         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
1580         __builtin_ia32_pmuludq128 have non-uniform argument and return types
1581         and must thus be handled explicitly.
1582         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
1583         MMX and XMM regs.
1584         (movv8qi_internal, movv4hi_internal, movv2si_internal,
1585         movv2sf_internal): Permit moving between MMX and XMM registers (since
1586         MMX areguments and return values are passed in XMM registers).
1587         (sse2_umulsidi3): Correct type and mode.
1588
1589 2004-07-09  Richard Henderson  <rth@redhat.com>
1590
1591         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
1592
1593 2004-07-09  Eric Christopher  <echristo@redhat.com>
1594
1595         * config/rs6000/40x.md: Split into two automatons.
1596
1597 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1598             Andrew Pinski  <apinski@apple.com>
1599
1600         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
1601         on when we have more than one input file.
1602         (c_common_parse_file): Restore loop over all input files.
1603         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1604
1605         * c-decl.c (set_type_context): New function.
1606         (pop_scope): Use it to set context of types.  When we
1607         encounter a TYPE_DECL, set the context of the attached type too.
1608         (pop_file_scope): Don't call cpp_undef_all here.
1609         (diagnose_mismatched_decls): Do not complain about a second
1610         definition of an 'extern inline' function if it's not in the
1611         same translation unit.  Do not complain about inline
1612         declaration after use if the use was in a different
1613         translation unit.
1614         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1615         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1616         the external scope.
1617         (pushdecl_top_level): Likewise.
1618         (grokdeclarator): Clarify what is going on with setting
1619         DECL_EXTERNAL on function types, a little.
1620         (c_write_global_declarations): Don't do anything if
1621         -fsyntax-only or errors have been encountered.
1622
1623 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1624
1625         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1626
1627 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1628
1629         PR target/16459
1630         * pa.c (output_indirect_call): Use %r2 as the link register when
1631         calling $$dyncall with a pc-relative branch.
1632
1633 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1634
1635         * doc/install.texi (Binaries): Mention OpenPKG.
1636
1637 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1638
1639         Fix PR tree-optimization/15555
1640         * tree-dfa.c (dump_variable): If the variable is a pointer
1641         SSA_NAME, also dump its points-to information.
1642         * tree-flow.h (struct ptr_info_def): Add field
1643         is_dereferenced.
1644         (dump_points_to_info_for): Declare.
1645         (debug_points_to_info_for): Declare.
1646         * tree-optimize.c (init_tree_optimization_passes): Add a
1647         second alias analysis pass after DOM2.
1648         Move pass_del_pta to a later spot.
1649         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1650         create a name tags when we find a dereferenced pointer.  Just
1651         mark the pointer dereferenced.
1652         (collect_points_to_info_for): Move code to clear points-to
1653         information to create_name_tags.
1654         (create_name_tags): New function.
1655         (compute_flow_sensitive_aliasing): Call it.
1656         (setup_pointers_and_addressables): Mark type tags for renaming
1657         here instead of ...
1658         (create_memory_tag): ... here.
1659         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1660         (dump_points_to_info_for): Declare extern.
1661         (debug_points_to_info_for): New function.
1662
1663 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1664
1665         * config/arc/arc.md: Switch to DFA-based scheduler description.
1666         * config/arc/arc.c: Switch to DFA-based scheduler description.
1667
1668 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1669
1670         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1671         pointer.
1672
1673 2004-07-09  Richard Henderson  <rth@redhat.com>
1674
1675         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1676         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1677         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1678         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1679
1680         * config/v850/v850-protos.h (v850_va_arg): Remove.
1681         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1682         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1683         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1684         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1685         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1686
1687 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1688
1689         PR target/12133
1690         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1691         and DImode to use +/-4k offset.
1692
1693 2004-07-09  Richard Henderson  <rth@redhat.com>
1694
1695         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1696         Remove.
1697         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1698         (xstormy16_gimplify_va_arg_expr): Rewrite from
1699         xstormy16_expand_builtin_va_arg.
1700         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1701
1702         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1703         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1704
1705         * config/sh/sh-protos.h (sh_va_arg): Remove.
1706         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1707         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1708         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1709
1710         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1711         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1712         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1713         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1714
1715         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1716         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1717         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1718         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1719
1720 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1721
1722         * config/sparc/sparc.md (return): Rewrite length formula.
1723         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1724         argument to final_scan_insn when in a delay slot.
1725         (output_sibcall): Likewise.
1726
1727 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1728
1729         * arm.c (arm_cpp_interwork): New variable.
1730         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1731         line.
1732         * arm.h (arm_cpp_interwork): Declare it.
1733         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1734         __THUMB_INTERWORK__ in the preprocessor.
1735
1736 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1737
1738         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1739
1740 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1741
1742         PR target/16416
1743         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1744         Override default settings to account for -m32 and -m64.
1745
1746 2004-07-08  Randolph Chung  <tausq@debian.org>
1747
1748         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1749
1750 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1751
1752         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
1753         before comparing it as such.
1754
1755 2004-07-08  Richard Henderson  <rth@redhat.com>
1756
1757         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
1758         temporary.  Use bit arithmetic to align.
1759
1760 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
1761
1762         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
1763         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
1764         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
1765         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
1766         add_labels_and_missing_jumps, find_jump_block,
1767         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1768         Likewise.
1769         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
1770         link_btr_uses, move_btr_def): Likewise.
1771         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
1772         expand_builtin_expect_jump): Likewise.
1773         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
1774         * calls.c (expand_call, emit_library_call_value_1): Likewise.
1775         * cfganal.c (forwarder_block_p): Likewise.
1776         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
1777         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
1778         find_bb_boundaries): Likewise.
1779         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1780         merge_blocks_move_predecessor_nojumps,
1781         merge_blocks_move_successor_nojumps, insns_match_p,
1782         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1783         try_optimize_cfg): Likewise.
1784         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
1785         * cfglayout.c (skip_insns_after_block, label_for_bb,
1786         record_effective_endpoints, insn_locators_initialize,
1787         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
1788         * cfgmainloop.c (create_loop_notes): Likewise.
1789         * cfgrtl.c (delete_insn, delete_insn_chain,
1790         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
1791         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
1792         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1793         redirect_branch_edge, force_nonfallthru_and_redirect,
1794         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
1795         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
1796         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
1797         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1798         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
1799         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
1800         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
1801         * combine.c (combine_instructions, can_combine_p, try_combine,
1802         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
1803         distribute_notes, distribute_links, insn_cuid): Likewise.
1804         * cse.c (fold_rtx, cse_insn, cse_around_loop,
1805         invalidate_skipped_block, cse_set_around_loop,
1806         cse_end_of_basic_block, cse_main, cse_basic_block,
1807         cse_condition_code_reg): Likewise.
1808         * cselib.c (cselib_process_insn): Likewise.
1809         * ddg.c (create_ddg): Likewise.
1810         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
1811         Likewise.
1812         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
1813         gen_label_die, dwarf2out_var_location): Likewise.
1814         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
1815         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
1816         last_call_insn, active_insn_p, next_label, prev_label,
1817         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
1818         add_insn_before, remove_insn, add_function_usage_to,
1819         reorder_insns, find_line_note, remove_unnecessary_notes,
1820         emit_insn_after_1, classify_insn): Likewise.
1821         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
1822         connect_post_landing_pads, sjlj_mark_call_sites,
1823         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
1824         can_throw_internal, can_throw_external, set_nothrow_function_flags,
1825         convert_to_eh_region_ranges): Likewise.
1826         * explow.c (optimize_save_area_alloca): Likewise.
1827         * expr.c (expand_expr_real): Likewise.
1828         * final.c (insn_current_reference_address, compute_alignments,
1829         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
1830         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
1831         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
1832         propagate_block_delete_insn, propagate_one_insn,
1833         init_propagate_block_info, propagate_block, libcall_dead_p,
1834         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
1835         Likewise.
1836         * function.c (instantiate_virtual_regs, reorder_blocks_1,
1837         expand_function_start, expand_function_end, contains,
1838         thread_prologue_and_epilogue_insns,
1839         reposition_prologue_and_epilogue_notes): Likewise.
1840         * gcse.c (constprop_register, bypass_conditional_jumps,
1841         insert_insn_end_bb, gcse_after_reload): Likewise.
1842         * genemit.c (gen_expand, gen_split): Likewise.
1843         * genpeep.c (gen_peephole, main): Likewise.
1844         * global.c (build_insn_chain): Likewise.
1845         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
1846         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
1847         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
1848         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
1849         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
1850         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
1851         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
1852         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
1853         dead_or_predicable): Likewise.
1854         * integrate.c (try_constants): Likewise.
1855         * jump.c (rebuild_jump_labels, cleanup_barriers,
1856         purge_line_number_notes, init_label_info, mark_all_labels,
1857         squeeze_notes, get_label_before, get_label_after,
1858         reversed_comparison_code_parts, simplejump_p, pc_set,
1859         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
1860         delete_barrier, delete_prior_computation, delete_computation,
1861         delete_related_insns, delete_for_peephole, redirect_jump):
1862         Likewise.
1863         * lcm.c (optimize_mode_switching): Likewise.
1864         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
1865         Likewise.
1866         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
1867         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
1868         * loop-iv.c (simplify_using_assignment): Likewise.
1869         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
1870         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
1871         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
1872         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
1873         check_insn_for_givs, check_final_value, update_giv_derive,
1874         basic_induction_var, product_cheap_p, check_dbra_loop,
1875         loop_insn_first_p, last_use_this_basic_block,
1876         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1877         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1878         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1879         sms_schedule_by_order): Likewise.
1880         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1881         * postreload.c (reload_cse_simplify_operands, reload_combine,
1882         reload_cse_move2add): Likewise.
1883         * predict.c (can_predict_insn_p, estimate_probability,
1884         expected_value_to_br_prob, process_note_predictions): Likewise.
1885         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1886         * profile.c (branch_prob): Likewise.
1887         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1888         detect_webs_set_in_cond_jump): Likewise.
1889         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1890         ra_print_rtl_with_bb): Likewise.
1891         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1892         * recog.c (next_insn_tests_no_inequality, find_single_use,
1893         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1894         * reg-stack.c (next_flags_user, record_label_references,
1895         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1896         compensate_edge, convert_regs_1): Likewise.
1897         * regclass.c (scan_one_insn): Likewise.
1898         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1899         regmove_optimize, fixup_match_1, single_set_for_csa,
1900         combine_stack_adjustments_for_block): Likewise.
1901         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1902         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1903         find_equiv_reg): Likewise.
1904         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1905         reload_as_needed, emit_input_reload_insns, do_output_reload,
1906         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1907         Likewise.
1908         * reorg.c (find_end_label, emit_delay_sequence,
1909         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1910         get_jump_flags, rare_destination, mostly_true_jump,
1911         try_merge_delay_insns, redundant_insn, own_thread_p,
1912         fill_simple_delay_slots, fill_slots_from_thread,
1913         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1914         dbr_schedule): Likewise.
1915         * resource.c (find_basic_block, next_insn_no_annul,
1916         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1917         * rtl.h (RTX_PREV): Likewise.
1918         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1919         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1920         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1921         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1922         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1923         find_first_parameter_load, can_hoist_insn_p): Likewise.
1924         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1925         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1926         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1927         schedule_ebbs): Likewise.
1928         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1929         is_conditionally_protected, can_schedule_ready_p,
1930         add_branch_dependences, debug_dependencies): Likewise.
1931         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1932         Likewise.
1933         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1934         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1935         set_dominates_use, ujump_to_loop_cont): Likewise.
1936         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1937         * varasm.c (output_constant_pool_1): Likewise.
1938
1939 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1940
1941         * tree-scalar-evolution.c: New file.
1942         * tree-scalar-evolution.h: New file.
1943         * tree-ssa-loop-niter.c: New file.
1944         * Makefile.in (SCEV_H): New.
1945         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1946         * cfgloop.h (struct loop): Add bounds field.
1947         * tree-flow.h (struct tree_niter_desc): New type.
1948         (number_of_iterations_cond, number_of_iterations_exit,
1949         loop_niter_by_eval, find_loop_niter_by_eval,
1950         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1951         free_numbers_of_iterations_estimates): Declare.
1952         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1953         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1954         * doc/invoke.texi (max-iterations-to-track): Document.
1955
1956 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1957
1958         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1959         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1960         (MODE_AFTER): Add cast appropriately.
1961         * config/sh/sh.md (movdi splitter): Likewise.
1962         (casesi_worker_2): Add const qualifier appropriately.
1963         (eh_return): Remove unused variable.
1964         (insv): Initialize v;
1965
1966 2004-07-08  Richard Henderson  <rth@redhat.com>
1967
1968         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1969         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1970         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1971         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1972         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1973
1974         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1975         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1976         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1977         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1978
1979         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1980         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1981         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1982         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1983
1984         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1985         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1986         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1987         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1988
1989         * config/i860/i860-protos.h (i860_va_arg): Remove.
1990         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1991         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1992         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1993
1994 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1995
1996         * system.h: Prototype getpagesize if missing.
1997         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1998         * configure: Regenerate.
1999         * config.in: Regenerate.
2000
2001 2004-07-08  Richard Henderson  <rth@redhat.com>
2002
2003         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
2004         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2005         (fr30_gimplify_va_arg_expr): New.
2006         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
2007         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
2008
2009 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
2010
2011         PR target/16414
2012         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
2013         of asm_noperands result.
2014
2015 2004-07-08  Richard Henderson  <rth@redhat.com>
2016
2017         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
2018         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2019         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
2020         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
2021
2022 2004-07-08  Richard Henderson  <rth@redhat.com>
2023
2024         * builtins.c (ind_gimplify_va_arg_expr): New.
2025         * tree.h (ind_gimplify_va_arg_expr): Declare.
2026         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
2027
2028 2004-07-08  Jan Beulich  <jbeulich@novell.com>
2029
2030         * expmed.c (extract_bit_field): Correct condition to use vec_extract
2031         patterns also on vector elements other than the first one.
2032         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
2033         break statements.
2034
2035 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
2036
2037         * config/rs6000/darwin-ldouble.c: Correct reference
2038         to the Linnainmaa paper.
2039
2040 2004-07-08  Richard Henderson  <rth@redhat.com>
2041
2042         * config/arc/arc-protos.h (arc_va_arg): Remove.
2043         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2044         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
2045         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
2046
2047         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
2048         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
2049         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
2050         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
2051
2052 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2053
2054         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
2055
2056 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2057
2058         * c-decl.c (static_ctors, static_dtors): Make static.
2059         (pop_file_scope): Call c_common_write_pch and
2060         cgraph_finalize_compilation_unit here.
2061         (build_cdtor): Moved here from c-objc-common.c; simplify.
2062         (c_write_global_declarations_1): Clarify comment.
2063         (c_write_global_declarations): Close the external scope before
2064         doing anything else.  Call build_cdtor, cgraph_optimize, and
2065         mudflap_finish_file here.
2066         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
2067         Clarify comment.
2068         * c-objc-common.c: No need to include cgraph.h.
2069         (build_cdtor): Moved to c-decl.c.
2070         (c_objc_common_finish_file): Delete.
2071         * c-tree.h: Update to match.
2072         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
2073         (generate_static_references): Set TREE_USED before calling finish_decl.
2074         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
2075         on the static_instances_decl.
2076
2077 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
2078
2079         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
2080         decls when there is only one input translation unit.
2081         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
2082         change of 2004-07-05; do not treat declarations with
2083         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
2084         * opts.c (cur_in_fname): Delete.
2085         * opts.h: Likewise.
2086         * tree.c: Revert changes of 2004-07-05; no special treatment
2087         for TRANSLATION_UNIT_DECLs.
2088         * Makefile.in (tree.o): Update dependencies.
2089
2090 2004-07-08  Roger Sayle  <roger@eyesopen.com>
2091
2092         * builtins.c (fold_builtin_strcpy): Merge functionality from
2093         simplify_builtin_strcpy.  Add additional len argument.  No longer
2094         static.  Remove function prototype.
2095         (fold_builtin_strncpy): Likewise integrate functionality from
2096         simplify_builtin_strncpy.  Add additional slen argument.  No
2097         longer static.  Remove function prototype.
2098         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
2099         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
2100         types of "ignore" and "unlocked" parameters to bool.
2101         (fold_builtin_1):  Add additional ignore argument.  Call renamed
2102         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
2103         builtins.  Update arguments to fold_builtin_strncpy and
2104         fold_builtin_strcpy.  Add function prototype.
2105         (fold_builtin): Add additional Boolean ignore argument to pass
2106         to fold_builtin_1.
2107         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
2108         and fold_builtin_strncpy instead of simplify_builtin_fputs,
2109         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
2110
2111         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
2112         simplify_builtin_strncpy): Delete function prototypes.
2113         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
2114         fold_builtin_strncpy): Add function prototypes here.
2115         (fold_builtin): Update function prototype with new "bool ignore".
2116
2117         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
2118         (ccp_fold_builtin):  Update call to fold_builtin.  Call
2119         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
2120         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
2121         simplify_builtin_strncpy respectively.
2122         * fold-const.c (fold): Update call to fold_builtin.
2123
2124 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2125
2126         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
2127         to strcpy.
2128
2129         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
2130         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
2131         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
2132         * calls.c: Remove ifdefs of macros above.
2133         * functions.c: Likewise.
2134         * expr.c: Likewise.
2135
2136 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2137
2138         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
2139         (arch attribute): Delete.
2140         (current_function_calls_alloca attribute): Rename into calls_alloca.
2141         (calls_eh_return): New attribute.
2142         (leaf_function): Likewise.
2143         (length attribute): Fix formula for sibcalls.
2144         (return insn): Correctly compute the 'length' attribute.
2145         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
2146
2147 2004-07-08  Richard Henderson  <rth@redhat.com>
2148
2149         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
2150         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
2151         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
2152         * tree-eh.c (lower_eh_constructs_1): Likewise.
2153         * tree-sra.c (sra_walk_modify_expr): Likewise.
2154         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2155         (eliminate_unnecessary_stmts): Likewise.
2156         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2157         * tree-tailcall.c (optimize_tail_call): Likewise.
2158         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
2159
2160 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2161             Jakub Jelinek  <jakub@redhat.com>
2162
2163         * config/i386/i386.c (override_options): Enable
2164         SSE prefetches with -mtune, as long as we are
2165         compiling for i686 or higher.  All i686 processors
2166         accept SSE prefetches as NOPS, some i586's don't.
2167
2168 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2169
2170         PR target/10567
2171         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
2172
2173 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2174
2175         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
2176         the handling of clobbering ASM_EXPRs.
2177
2178 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2179
2180         PR target/16430
2181         * config/sparc/sparc.c (function_value): In 64-bit mode,
2182         return the aggregates larger than 16 bytes like unions.
2183
2184 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2185
2186         PR target/16199
2187         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
2188         'temp' is zero, generate new pseudos as needed and emit the
2189         sequence of insns in single-assignment form.  Resync comments
2190         with code.
2191         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
2192         function before reload.
2193
2194 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
2195
2196         * vec.c (vec_assert_fail): Remove duplicate 'function'.
2197
2198         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
2199
2200         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
2201         Allocation is signed.
2202         (VEC_reserve): Return flag, allocation is signed.
2203
2204 2004-07-08  Richard Henderson  <rth@redhat.com>
2205
2206         * tree-ssa-ccp.c (fold_stmt): Get type directly from
2207         OBJ_TYPE_REF_OBJECT.
2208
2209 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2210             Neil Booth  <neil@daikokuya.co.uk>
2211
2212         PR c/2511
2213         PR c/3325
2214         * c-decl.c (finish_struct): Ensure bit-fields are given the
2215         correct type.
2216         * c-common.c (c_common_signed_or_unsigned_type): For C, require
2217         the precision to match as well as the mode.
2218         * expr.c (reduce_to_bit_field_precision): New function.
2219         (expand_expr_real_1): Reduce expressions of bit-field type to
2220         proper precision.
2221         * langhooks.h (reduce_bit_field_operations): New hook.
2222         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2223         Define.
2224         * c-lang.c, objc/objc-lang.c
2225         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
2226         * objc/objc-act.c (check_ivars): Convert types to bit-field types
2227         before checking.
2228         * tree.c (build_nonstandard_integer_type): New function.
2229         * tree.h (build_nonstandard_integer_type): New prototype.
2230         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
2231         conversions between integer and boolean types as useless.
2232
2233 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2234
2235         * c-common.c (c_common_nodes_and_builtins): Do not
2236         create __builtin_ptrdiff_t and __builtin_size_t.
2237
2238 2004-07-08  Andrew Pinski  <apinski@apple.com>
2239
2240         * Makefile.in (libbackend.o): Add -combine to the gcc
2241         command line.
2242
2243 2004-07-08  Nick Clifton  <nickc@redhat.com>
2244
2245         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
2246         Set to -Os.
2247
2248 2004-07-08  Richard Henderson  <rth@redhat.com>
2249
2250         * except.c (expand_eh_region_start, expand_eh_region_end,
2251         expand_eh_handler, expand_eh_region_end_cleanup,
2252         expand_start_all_catch, expand_start_catch, expand_end_catch,
2253         expand_end_all_catch, expand_eh_region_end_allowed,
2254         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
2255         expand_eh_region_end_fixup): Remove.
2256         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
2257         cleanups, outer_cleanups, label_chain, exception_region.
2258         (struct goto_fixup): Remove stack_level, cleanup_list_list.
2259         (struct label_chain): Remove.
2260         (struct stmt_status): Remove x_stack_block_stack.
2261         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
2262         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
2263         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
2264         end_cleanup_deferral, last_cleanup_this_contour,
2265         containing_blocks_have_cleanups_or_stack_level,
2266         any_pending_cleanups): Remove.
2267         (expand_null_return_1): Take no arguments.
2268         (expand_label, expand_naked_return, expand_return,
2269         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
2270         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
2271         expand_end_case_type): Don't use any of them.
2272         * calls.c (expand_call): Likewise.
2273         * dojump.c (do_jump): Likewise.
2274         * function.c (expand_function_end): Likewise.
2275         * expr.c (store_expr, expand_expr_real_1): Likewise.
2276         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
2277         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
2278         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
2279         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
2280         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
2281         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
2282         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
2283         for WITH_CLEANUP_EXPR.
2284         (gimple_push_cleanup): Likewise.
2285         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
2286         * print-tree.c (print_node): Likewise.
2287         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
2288         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
2289         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
2290         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
2291         (GOTO_SUBROUTINE_EXPR): Remove.
2292         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
2293         (DECL_TOO_LATE): Remove.
2294         * except.h, tree.h: Update decls.
2295
2296 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2297
2298         * explow.c (optimize_save_area_alloca): Do not accept parameters.
2299         * passes.c (rest_of_handle_final): Handle symout.
2300         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
2301         Push timevar here.
2302         (rest_of_handle_sched): Break out SMS.  Remove ifs for
2303         flag_schedule_insns and flag_modulo_sched.
2304         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
2305         collect at the end.
2306         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
2307         (rest_of_handle_partition_blocks, rest_of_handle_sms,
2308         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
2309         rest_of_handle_mode_switching, rest_of_handle_jump,
2310         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
2311         rest_of_handle_jump2, rest_of_handle_postreload,
2312         rest_of_handle_flow2, rest_of_clean_state,
2313         rest_of_handle_shorten_branches,
2314         rest_of_handle_prologue_epilogue,
2315         rest_of_handle_branch_target_load_optimize): New.
2316         (rest_of_compilation): Call the above.  Remove ggc_collect
2317         calls moved to rest_of_handle_*.
2318         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
2319
2320         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
2321         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
2322         * except.h (set_nothrow_function_flags): Update comment.
2323         * function.c (current_function_nothrow): Remove.
2324         * output.h (current_function_nothrow): Remove.
2325         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
2326         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
2327
2328 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2329
2330         PR bootstrap/16326
2331         * reorg.c: Revert 2004-06-30 change.
2332         (find_end_label): If HAVE_epilogue and !HAVE_return,
2333         return 0 instead of creating a label at the end of the insn chain.
2334         (optimize_skip): Account for the failure mode of find_end_label.
2335         (fill_simple_delay_slots): Likewise.
2336         (fill_slots_from_thread): Likewise.
2337         (relax_delay_slots): Likewise.
2338
2339 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2340
2341         * tree-flow.h (addressable_vars): Declare.
2342         * tree-ssa-alias.c (addressable_vars): Define.
2343         (setup_pointers_and_addressables): Add addressable variables
2344         to addressable_vars.
2345         * tree-ssa-operands.c (get_stmt_operands): Move
2346         handling of ASM_EXPRs ...
2347         (get_asm_expr_operands): ... here.
2348         When the ASM_EXPR clobbers memory, also clobber addressable
2349         variables.
2350         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
2351         (delete_tree_ssa): Reset addressable_vars.
2352
2353 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2354             Richard Henderson  <rth@redhat.com>
2355
2356         * varasm.c (assemble_variable): Use assemble_zeros for
2357         zero-initialized variables.
2358         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
2359         for SECCAT_BSS and SECCAT_TBSS.
2360
2361 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2362
2363         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
2364
2365         * expmed.c (emit_store_flag): Also special-case double-word
2366         (in-)equality comparison against -1.
2367
2368         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
2369         passing arguments the containers for which are registers.
2370
2371         * calls.c (emit_library_call_value_1): Use mode of function parameter
2372         rather than that of argument since constants have none.
2373
2374 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2375
2376         Introduce H8SX support.
2377         * expr.c (expand_strcpy): Renamed and moved to...
2378         * builtins.c (expand_movstr): ... here.  Tweak.
2379         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
2380         computed or has side effects.
2381         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
2382         unused, or if mempcpy fails.  Adjust the return value in the
2383         latter case.  Use movstr if everything else fails.
2384         * doc/md.texi (movstr): Document.
2385         (movmemM, clrmemM): Fix explanation of memory block operands.
2386         * config/h8300/h8300.md (stpcpy): Renamed to...
2387         (movstr): ... this.  Adjust.
2388         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2389         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
2390         movmem* and clrstr* to clrmem*.
2391         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
2392         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
2393         GENERAL_REGS, always.
2394         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
2395         getting the stack pointer as addr.
2396         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
2397         from general_operand_dst.
2398         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
2399         variant of...
2400         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
2401         instead of requiring it to match only before reload.
2402         (stpcpy_internal_normal): New, normal-mode variant of...
2403         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
2404         `D' instead of requiring it to match only before reload.
2405         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
2406         mode argument.
2407         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
2408         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
2409         h8300_get_index.
2410         * config/h8300/h8300.md (attr type): Add call.
2411         (attr can_delay): If type is call, set it no.
2412         (call, call_value): Set type to call.
2413         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
2414         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2415         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
2416         * tree.c (get_narrower): Don't narrow integral types into
2417         non-integral types.
2418         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
2419         frame_size *before* the first use.
2420         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
2421         on input.
2422         (peephole2): Don't widen instructions that push SP.  Move
2423         decrement of SP to the end of all stm-generating peepholes.
2424         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2425         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
2426         and OR to set it to all ones.
2427         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2428         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
2429         (call, call_value): Set can_delay to "no".
2430         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
2431         * config/h8300/h8300.md (extzv): Make subreg check more robust.
2432         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2433         * config/h8300/h8300.md (*brabit): Remove.
2434         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
2435         zero_extract.  Use bit_memory_operand as the predicate for
2436         operand 1 and 'WU' as the constraint.  Check the difference
2437         between the base length and the final one when deciding which
2438         type of branch to use.
2439         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2440         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
2441         Use convert_move to extend the result for TARGET_H8300SX.  Check
2442         for QImode memory references.  Optimize the case where the
2443         destination is a paradoxical subreg.
2444         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2445         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
2446         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2447         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2448         * config/h8300/h8300.md: Include mova.md
2449         (length_table): Add mova and mova_zero.
2450         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
2451         after all constant addresses for '%R', '%X', '%T' and '%S'.
2452         (h8300_mova_length): New function.
2453         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
2454         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
2455         dependencies for s-config, etc.
2456         * config/h8300/gemova.sh: New file.
2457         * config/h8300/mova.md: Generated.
2458         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
2459         * config/h8300/h8300.c (h8300_bitfield_length): New.
2460         (nibble_operand): Adjust.
2461         (h8300_binary_length): Handle conditional binary op.
2462         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
2463         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
2464         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
2465         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
2466         constraints.  WU is introduced as a variant of U that requires a
2467         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
2468         * config/h8300/h8300.md (attr type): Added bitbranch.
2469         (attr length_table): Added bitfield and bitbranch.
2470         (attr length): Compute bitbranch length.
2471         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
2472         least-significant bit of a byte.
2473         (brabit, brabc, brabs): New.
2474         (insv, extzv): Emit bfst and bfld on H8300SX.
2475         (bfld, bfst, seq, sne): New.
2476         (bstzhireg, cmpstz, bstz, bistz): New.
2477         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
2478         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2479         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
2480         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
2481         (h8sx_unary_memory_operator): New function.
2482         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
2483         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
2484         * config/h8300/h8300.md: Add peepholes to combine reloads and
2485         arithmetic insns.
2486         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2487         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
2488         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
2489         (and?i, ior?i, xor?i): Likewise.
2490         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2491         * config/h8300/h8300.c: Move enums and prototypes to head of file.
2492         Various whitespace fixes.
2493         (h8300_constant_length): New function, split out from...
2494         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
2495         (h8300_classify_operand): Use IN_RANGE.
2496         (h8300_classify_operand): Use h8300_constant_length.
2497         (h8300_short_move_mem_p): Tighten size check.
2498         (h8sx_mergeable_memrefs_p): Tighten equality check.
2499         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
2500         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
2501         for -msx.
2502         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
2503         * config/h8300/crtn.asm: Likewise.
2504         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
2505         if __H8300SX__ is defined.
2506         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
2507         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
2508         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
2509         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
2510         addresses as mode-dependent.
2511         * config/h8300/h8300.c (print_operand_address): Update call to
2512         h8300_get_index.
2513         (h8300_get_index): Take a mode argument.  Rework to fix an
2514         earlier misunderstanding.
2515         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
2516         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
2517         into a register if TARGET_H8300SX.
2518         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
2519         TARGET_H8300SX.  Also disable related define_splits.
2520         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2521         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
2522         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2523         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2524         * config/h8300/h8300.h (OK_FOR_Z): New macro.
2525         (EXTRA_CONSTRAINT_STR): Check it.
2526         * config/h8300/h8300.c (h8300_classify_operand): Accept null
2527         class arguments.
2528         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
2529         * config/h8300/h8300.md (length_table): Add mov_imm4.
2530         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2531         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2532         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
2533         be a label.
2534         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
2535         * config/h8300/h8300.c (h8300_reorg): New function.
2536         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2537         * config/h8300/h8300.md (length): Subtract the length of the
2538         delay slot from (pc) when checking the range of forward branches.
2539         (delay_slot, can_delay): New attributes.
2540         (define_delay): Add bra/s handling.
2541         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
2542         (jump): Add delayed-branch handling.
2543         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
2544         * expr.c (expand_strcpy): New function.
2545         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
2546         (expand_builtin_stpcpy): Likewise.
2547         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
2548         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
2549         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
2550         handling to improve register allocation for -fno-omit-frame-pointer.
2551         (h8sx_split_movmd): Delete, moving er6 handling into...
2552         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
2553         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
2554         (movmd): Add calls to copy_rtx.
2555         (movmd_internal): In the second alternative, allow the initial and
2556         final destination registers to be different .  Update the splitter
2557         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
2558         instead of h8sx_split_movmd.
2559         (stpcpy, movsd): New expanders.
2560         (movsd_internal): New define_insn.
2561         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
2562         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
2563         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
2564         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
2565         and DESTINATION_REGS.
2566         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2567         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
2568         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
2569         (h8300_move_ratio): Declare.
2570         (MOVE_RATIO): Use it.
2571         * config/h8300/h8300.c (h8300_move_ratio): New variable.
2572         (h8300_init_once): Initialize it.
2573         (h8300_reg_class_from_letter): New function.
2574         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
2575         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
2576         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
2577         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
2578         (movstrsi, movmd): New expanders.
2579         (movmd_internal): New insn.
2580         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
2581         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2582         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
2583         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
2584         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2585         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2586         * config/h8300/h8300.c (nibble_operand): Fix warning.
2587         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
2588         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
2589         (movsf_h8300h): Disable for TARGET_H8300SX.
2590         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2591         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
2592         h8300_stm_parallel and h8300_return_parallel.
2593         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
2594         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
2595         h8300_stm_parallel, h8300_return_parallel): New functions.
2596         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
2597         if TARGET_H8300SX.  Use h8300_push_pop.
2598         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
2599         and final pop when generating h8sx code.  Always emit some form
2600         of return insn.
2601         * config/h8300/h8300.md: Don't enforce register alignment in
2602         stm peepholes if TARGET_H8300SX.
2603         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2604         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2605         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2606         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2607         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2608         (MULTILIB_DIRNAMES): Add a directory for it.
2609         (MULTILIB_MATCHES): Delete.
2610         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2611         * final.c (walk_alter_subreg): Handle addresses with subregs
2612         inside a ZERO_EXTEND or AND.
2613         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2614         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2615         if TARGET_H8300SX.
2616         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2617         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2618         @(dd,Rn.w) and @(dd,ERn.L).
2619         (h8300_displacement_size): Take the whole address as argument.
2620         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2621         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2622         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2623         (h8sx_mergeable_memrefs_p): Declare.
2624         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2625         (HAVE_PRE_INCREMENT): Likewise.
2626         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2627         addresses for TARGET_H8300SX,
2628         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2629         and POST_DEC.
2630         (movb_length_table, movl_length_table): New tables.
2631         (movw_length_table): Define to movb_length_table.
2632         (h8300_displacement_size): New, split out from...
2633         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2634         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2635         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2636         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2637         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2638         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2639         (h8sx_unary_shift_operator): Get the mode from the operator.
2640         (binary_shift_operator): Likewise.
2641         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2642         a memory reference, check whether the reference is offsettable.
2643         (length_table): Add movb, movw and movl.
2644         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2645         register when generating h8sx code.
2646         (movhi, movsi, movsf): Likewise.
2647         (movstrictqi): Use the length_table attribute.
2648         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2649         (addqi3): Split into a define_expand and define_insn.  Don't accept
2650         memory operands in the expander.  Use h8300_operands_match_p to
2651         check for matching operands in the define_insn.
2652         (subqi3, negqi2, one_cmplqi2): Likewise.
2653         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2654         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2655         use h8300_operands_match_p to check whether operands match.
2656         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2657         one_cmpl[hs]i3): Likewise.
2658         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2659         in the expander.
2660         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2661         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2662         (h8300_insn_length_from_table): Add a second parameter.
2663         (output_h8sx_shift): Declare.
2664         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2665         (EXTRA_CONSTRAINT): Replace with...
2666         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2667         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2668         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2669         and h8sx_binary_shift_operator.
2670         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2671         for TARGET_H8300SX.
2672         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2673         (bit_memory_operand, fix_bit_operand): Likewise.
2674         (h8300_length_table_for_insn): Remove.
2675         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2676         instructions.
2677         (h8300_short_immediate_length, h8300_binary_length): New functions.
2678         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2679         (output_plussi): Use sub to add negative constants.
2680         (compute_plussi_length): Adjust accordingly.
2681         (h8sx_single_shift_type): New enum.
2682         (h8sx_single_shift, h8sx_unary_shift_operator,
2683         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2684         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2685         single h8sx instruction.  Return false in this case.
2686         * config/h8300/h8300.md (length_table): Add short_immediate.
2687         (length): Pass the operand array to h8300_insn_length_from_table.
2688         (adjust_length): Assume "no" for insns with a length_table attribute.
2689         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2690         (*addhi3_h8300hs): Don't use for h8sx.
2691         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2692         and sub.w #xx:3.
2693         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2694         1's predicate to nonimmediate_operand.  Only skip default expansion
2695         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2696         for single h8sx shift instructions.
2697         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2698         * config/h8300/h8300.c (nibble_operand): Split out of...
2699         (reg_or_nibble_operand): ... this.
2700         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2701         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2702         umulhisi3): Introduce expand, and introduce separate insns for
2703         sign- or zero-extended REG and already-extended CONST_INT.
2704         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2705         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2706         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2707         (subhi3): Likewise.  Don't accept immediates for operand 1.
2708         Remove the early clobber from second alternative of the h8300s pattern.
2709         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2710         on plain h8300 targets.
2711         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2712         (subsi3_h8300h): Generalize for h8sx.
2713         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2714         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2715         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2716         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2717         (TARGET_H8300SXMUL): New.
2718         (CONST_OK_FOR_P): New.
2719         (CONST_OK_FOR_LETTER_P): Adjust.
2720         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2721         umulhisi3): Accept 4-bit immediate on H8SX.
2722         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2723         (udivsi3, divhi3, udivsi3, divsi3): New.
2724         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2725         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2726         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2727         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2728         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2729         Add ADDRESSOF to the bit_operand entry.
2730         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2731         (h8300_src_operand): Likewise.
2732         (bit_operand): Check nonimmediate_operand rather than general_operand.
2733         Accept any nonimmediate_operand in h8sx code.
2734         (h8300_and_costs): Initialize operands[1].
2735         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2736         (h8300_operand_class): New enum.
2737         (h8300_length_table): New typedef.
2738         (addb_length_table, addw_length_table, addl_length_table,
2739         logicl_length_table): New tables.
2740         (logicb_length_table, logicw_length_table): New macros.
2741         (h8300_classify_operand, h8300_length_from_table,
2742         h8300_length_table_for_insn, h8300_unary_length,
2743         h8300_insn_length_from_table): New functions.
2744         (output_plussi): Only use adds and subs for register destinations.
2745         Disable redundant clause.
2746         (compute_plussi_cc): Likewise.
2747         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2748         to work out the length of an insn.
2749         (output_logical_op): Only use narrower immediate instructions
2750         if the destination is a register.
2751         (compute_logical_op_cc): Likewise.
2752         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
2753         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
2754         * config/h8300/h8300.md (length_table): New attribute.
2755         (length): When an instruction has a length_table attribute, use
2756         h8300_insn_length_from_table to calculate its default length.
2757         (cmpqi): Use h8300_dst_operand for the first operand and
2758         h8300_src_operand for the second.
2759         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
2760         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
2761         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
2762         iorsi3, xorhi3, xorsi3): Likewise.
2763         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
2764         so that it allows any combination of operands for TARGET_H8300SX.
2765         (iorqi3, xorqi3): Likewise.
2766         (cmpqi): Use the length_table attribute.
2767         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
2768         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2769         (cmpqi): Add 'Q' constraint.
2770         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
2771         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2772         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
2773         * config/h8300/h8300.h (MASK_H8300SX): New macro.
2774         (TARGET_H8300S): True for both -ms and -msx.
2775         (TARGET_H8300SX): New macro.
2776         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
2777         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
2778         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
2779         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
2780         [Temporary change.]
2781         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
2782         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
2783         16-bit pointers and 32-bit ints.
2784         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
2785         CONST_DOUBLE with mode no wider than SImode.
2786         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
2787         output operand.
2788         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
2789         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
2790         or SUBREG thereof.
2791         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2792         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
2793         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
2794
2795 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2796
2797         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
2798
2799 2004-07-07  Per Bothner  <per@bothner.com>
2800
2801         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
2802
2803 2004-07-07  Mike Stump  <mrs@apple.com>
2804
2805         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
2806         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
2807         (machopic_finish): Likewise.
2808
2809 2004-07-07  Richard Henderson  <rth@redhat.com>
2810
2811         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
2812         through any value-preserving cast.
2813
2814 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2815
2816         * function.c (assign_parm_find_data_types): Call
2817         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
2818
2819 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2820
2821         * tree-cfg.c (group_case_labels): Remove case labels that have
2822         the same target as the default case.
2823
2824 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2825
2826         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
2827         regardless of DECL_LANG_SPECIFIC being present or not.
2828         * tree.h (DECL_NUM_STMTS): Purge.
2829
2830 2004-07-07  Andrew Pinski  <apinski@apple.com>
2831
2832         * configure: Regenerate with the right autoconf.
2833
2834 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
2835
2836         * ifcvt.c (total_bb_rtx_cost): New function.
2837         (find_if_case_1): Compare rtx_cost of basic block to cost of
2838         BRANCH_COST insns.
2839         (find_if_case_2): Same.
2840
2841 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2842
2843         PR target/10567
2844         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
2845         (output_return): Likewise.
2846         (output_sibcall): Abort if !flag_delayed_branch.
2847         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
2848         (emit_and_preserve): New function.
2849         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
2850         indirect jump to the thunked-to function if !flag_delayed_branch.
2851         * config/sparc/sparc.md (delayed_branch): New attribute.
2852         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
2853         attribute to compute the length of the insn.
2854         (goto_handler_and_restore): Likewise.
2855
2856 2004-07-07  Andrew Pinski  <apinski@apple.com>
2857
2858         PR tree-optimization/15777
2859         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
2860
2861         * expr.c (expand_expr_real_1): Fix formating.
2862         BUFFER_REF and IN_EXPR are dead.
2863         * fold-const.c (non_lvalue): BUFFER_REF is dead.
2864         * tree-inline.c (estimate_num_insns_1): Likewise.
2865         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
2866         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
2867         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
2868
2869 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
2870
2871         * collect2.c (dump_file): Don't call cplus_demangle if
2872         HAVE_LD_DEMANGLE is defined.
2873         (main): Pass "--demangle" to ld if no_demangle is not 0 and
2874         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
2875         if HAVE_LD_DEMANGLE is defined.
2876
2877         * configure.ac (--with-demangler-in-ld): Added
2878         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2879         --with-demangler-in-ld is used.
2880         * config.in: Regenerated.
2881         * configure: Likewise.
2882
2883 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2884
2885         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2886         for simple floating point operations "fp", double precision
2887         multiplication "dmul", and single and double precision division
2888         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2889         (ppc630_cost): New table split from ppc620_cost, to distinguish
2890         differences in floating point latencies.
2891         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2892         (rs6000_rtx_costs): Add support for single and double precision
2893         floating point addition, subtraction, multiplication, division,
2894         fused-multiply-add, fused-multiply-sub, negation, absolute value
2895         and negative absolute value.  Tweak MEM case to use prefered idiom.
2896
2897 2004-07-07  Richard Henderson  <rth@redhat.com>
2898
2899         * tree-flow-inline.h (may_propagate_copy): Move...
2900         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2901         attempt to copy between types requiring conversion.
2902         * tree-flow.h (may_propagate_copy): Update decl.
2903         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2904
2905 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2906
2907         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2908         from -mtune= option.
2909
2910 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2911
2912         * builtins.c: Rename movstr*, except for movstrict*, to
2913         movmem* and clrstr* to clrmem*.
2914         * expr.c: Likewise.
2915         * expr.h: Likewise.
2916         * genopinit.c: Likewise.
2917         * integrate.c: Likewise.
2918         * local-alloc.c: Likewise.
2919         * optabs.c: Likewise.
2920         * optabs.h: Likewise.
2921         * config/alpha/alpha.h: Likewise.
2922         * config/alpha/alpha.md: Likewise.
2923         * config/arm/arm-protos.h: Likewise.
2924         * config/arm/arm.c: Likewise.
2925         * config/arm/arm.md: Likewise.
2926         * config/avr/avr.md: Likewise.
2927         * config/c4x/c4x.c: Likewise.
2928         * config/c4x/c4x.md: Likewise.
2929         * config/frv/frv.md: Likewise.
2930         * config/i386/i386-protos.h: Likewise.
2931         * config/i386/i386.c: Likewise.
2932         * config/i386/i386.h: Likewise.
2933         * config/i386/i386.md: Likewise.
2934         * config/i860/i860.c: Likewise.
2935         * config/i860/i860.md: Likewise.
2936         * config/ip2k/ip2k.md: Likewise.
2937         * config/ip2k/libgcc.S: Likewise.
2938         * config/ip2k/t-ip2k: Likewise.
2939         * config/m32r/m32r.c: Likewise.
2940         * config/m32r/m32r.md: Likewise.
2941         * config/mcore/mcore.md: Likewise.
2942         * config/mips/mips.c: Likewise.
2943         * config/mips/mips.md: Likewise.
2944         * config/ns32k/ns32k.c: Likewise.
2945         * config/ns32k/ns32k.h: Likewise.
2946         * config/ns32k/ns32k.md: Likewise.
2947         * config/pa/pa.c: Likewise.
2948         * config/pa/pa.md: Likewise.
2949         * config/pdp11/pdp11.h: Likewise.
2950         * config/pdp11/pdp11.md: Likewise.
2951         * config/rs6000/rs6000.c: Likewise.
2952         * config/rs6000/rs6000.md: Likewise.
2953         * config/s390/s390-protos.h: Likewise.
2954         * config/s390/s390.c: Likewise.
2955         * config/s390/s390.md: Likewise.
2956         * config/sh/lib1funcs.asm: Likewise.
2957         * config/sh/sh.c: Likewise.
2958         * config/sh/sh.md: Likewise.
2959         * config/sh/t-sh: Likewise.
2960         * config/sparc/sparc.h: Likewise.
2961         * config/vax/vax.md: Likewise.
2962         * config/xtensa/xtensa.c: Likewise.
2963         * config/xtensa/xtensa.md: Likewise.
2964         * doc/invoke.texi: Likewise.
2965         * doc/md.texi: Likewise.
2966         * doc/rtl.texi: Likewise.
2967
2968 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2969
2970         PR target/16407
2971         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2972         * config/mips/mips.c (mips_declare_common_object): New function,
2973         mostly split out from...
2974         (mips_output_aligned_decl_common): ...here.
2975         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2976         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2977         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2978         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2979
2980 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2981
2982         PR c/16392
2983         * function.c (assign_parms): Fix typo from previous change.
2984
2985 2004-07-07  Jason Merrill  <jason@redhat.com>
2986
2987         PR c++/15815
2988         * doc/extend.texi (C++ Interface): Correct information and
2989         discourage use.
2990
2991 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2992
2993         PR target/16130
2994         PR target/16142
2995         PR target/16143
2996         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2997         insn.
2998
2999 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
3000
3001         PR target/1679.
3002         * config/m32r/m32r.c (m32r_function_symbol): New function:
3003         Generate a symbol name RTX with the correct m32r specific flags
3004         set.
3005         (block_move_call): Use new function to generate correct symbol.
3006         * config/m32r/m32r-protos.h: Add prototype for new funcion.
3007         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
3008         function.
3009
3010 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
3011
3012         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
3013         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
3014         TYPE_BINFO_BASETYPE): Remove.
3015         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
3016         to ...
3017         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
3018         here.
3019         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
3020         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
3021         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
3022         (struct tree_binfo): Rename base_types to base_binfos.
3023         * alias.c (record_component_aliases): Adjust BINFO macros.
3024         * dbxout.c (dbxout_type): Likewise.
3025         * dwarf2out.c (gen_member_die): Likewise.
3026         * sdbout.c (sdbout_one_type): Likewise.
3027         * tree-dump.c (deque_and_dump): Likewise.
3028         * config/i386/i386.c (classify_argument,
3029         contains_128bit_aligned_vector_p): Likewise.
3030
3031 2004-07-07  Nick Clifton  <nickc@redhat.com>
3032
3033         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
3034         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
3035
3036 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
3037
3038         * vec.h: Fix the example use.
3039
3040 2004-07-06  Richard Henderson  <rth@redhat.com>
3041
3042         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
3043         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
3044         * tree-inline.c (copy_body_r, setup_one_parameter,
3045         initialize_inlined_parameters, expand_call_inline,
3046         declare_inline_vars): Don't check it.
3047         (expand_calls_inline): Remove old version, rename new version
3048         from gimple_expand_calls_inline.
3049         * tree-optimize.c (execute_gimple): Remove.
3050         (pass_gimple): Don't run anything.
3051
3052 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
3053
3054         * doc/sourcebuild.texi: Use semicolons instead of commas in
3055         section title.
3056
3057 2004-07-06  Richard Henderson  <rth@redhat.com>
3058
3059         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
3060         (sra_walk_modify_expr, scan_init): Likewise.
3061         (generate_element_zero): Check visited before scanning children.
3062         (generate_element_init): Set visited on error.
3063         (scalarize_init): Handle generate_element_init failure similar
3064         to use_block_copy.
3065
3066 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
3067
3068         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
3069         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
3070
3071 2004-07-06  Richard Henderson  <rth@redhat.com>
3072
3073         * config/i386/i386.c (legitimize_pic_address): Make static.
3074         (legitimize_address): Handle CONST with TLS operand.
3075         (ix86_expand_move): Don't call legitimize_pic_address directly.
3076         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
3077
3078 2004-07-06  Roger Sayle  <roger@eyesopen.com>
3079
3080         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
3081         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
3082         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
3083         is currently executed unconditionally, i.e. not in "else_bb".
3084
3085 2004-07-06  Steven Bosscher  <stevenb@suse.de>
3086
3087         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
3088         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3089         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
3090         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3091         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
3092         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3093         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
3094         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3095         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
3096         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3097         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
3098         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3099         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
3100         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3101         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
3102         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
3103
3104 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
3105
3106         * dojump.c (do_jump): REFERENCE_EXPR is dead.
3107         * expr.c (expand_expr_real_1): Ditto.
3108         * tree-inline.c (estimate_num_insns_1): Ditto.
3109         * tree-pretty-print.c (dump_generic_node): Ditto.
3110         (op_symbol): Ditto.
3111         * tree.def: Ditto.
3112
3113 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
3114
3115         * tree-ssa-pre.c (reference_node_pool): New pool.
3116         (find_or_generate_expression): Class 'r' is okay too.
3117         (create_value_expr_from): Ditto.
3118         (add_to_sets): LHS should not include vuses.
3119         (eliminate): Ditto.
3120         (compute_avail): Reverse ordering of tests.
3121         Valuize INDIRECT_REF as well.
3122
3123 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
3124
3125         PR rtl-optimization/16380
3126         * loop.c (check_dbra_loop): Sink comparison instructions if they
3127         do something other than set cc0.
3128
3129 2004-07-06  James E Wilson  <wilson@specifixinc.com>
3130
3131         * doc/interface.texi (longjmp and automatic variables): Delete
3132         paragraph recommending taking the address of a variable.
3133
3134 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
3135
3136         * vec.h (VEC_embedded_alloc): Remove.
3137         (VEC_embedded_size, VEC_embedded_init): New.
3138         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
3139         MEM_STAT_INFO.
3140         (VEC_truncate): New.
3141         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
3142         (vec_embedded_alloc): Remove.
3143         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
3144         (vec_embedded_alloc): Remove.
3145
3146 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
3147
3148         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
3149         (gt-langhooks.h): Remove.
3150
3151 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
3152
3153         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
3154
3155 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3156
3157         * config/sparc/sparc.c (get_pc_symbol): Rename into
3158         add_pc_to_pic_symbol.
3159         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
3160         (load_pic_register): Account for previous changes.
3161         Use reg_names.  Don't create the label twice.
3162         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
3163         UNSPEC_LOAD_PCREL_SYM.
3164         (get_pc): Rename into load_pcrel_sym.  Add predicate to
3165         operands.  Remove condition.
3166
3167 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
3168
3169         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
3170         RECORD, UNION & QUAL_UNION is actually a binfo.
3171
3172         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
3173         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
3174         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
3175         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
3176         * dwarf2out.c (add_data_member_location_attribute): Likewise.
3177         (gen_inheritance_die): Likewise.
3178         * tree-dump.c (deque_and_dump): Likewise.
3179         * doc/c-tree.texi (Binfos): Add under reconstruction note.
3180
3181 2004-07-06  Steven Bosscher  <stevenb@suse.de>
3182
3183         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3184         Define.
3185         * config/mcore/mcore.md: Model memory latency with a simple DFA
3186         pipeline description instead of a define_function_unit.
3187
3188 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3189
3190         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
3191         * langhooks.h (var_mod_type_p): Likewise.
3192         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
3193         * expr.c (count_type_elements): Properly handle return from
3194         array_type_nelts and properly test for overflow.
3195         * gimplify.c (gimplify_init_constructor): Properly handle return
3196         from array_type_nelts.
3197         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
3198         * integrate.c (copy_decl_for_inlining): Correct comments.
3199         * tree-inline.c (remap_decl): Update comments, remove dead code,
3200         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
3201         (remap_type): Only remap if variably modified by vars in function
3202         being inlined.
3203         (copy_body_r): Use compatible_type langhooks to see when can fold.
3204         (setup_one_parameter): Don't remap type.
3205         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
3206         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
3207         compute TREE_INVARIANT for decl case.
3208         (find_var_from_fn): New function.
3209         (variably_modified_type_p): Add arg and call new function.
3210         * tree.h (variably_modified_type_p): Add extra arg.
3211
3212 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3213
3214         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
3215         (goto_handler_and_restore_v9): Delete disabled insn.
3216         (goto_handler_and_restore_v9_sp64): Likewise.
3217
3218 2004-07-05  Roger Sayle  <roger@eyesopen.com>
3219
3220         * calls.c (load_register_parameters): Call expand_shift instead
3221         of expand_binop with ashl_optab (or other shift optab) directly.
3222         * expr.c (emit_group_load, emit_group_store): Likewise.
3223         * function.c (assign_parm_setup_block): Likewise.
3224         * stmt.c (shift_return_value): Likewise.
3225
3226 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
3227
3228         * expr.c (expand_assignment): Disable the bitfield += optimizations.
3229
3230 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3231
3232         * doc/sourcebuild.texi: Revert previous patch.
3233
3234 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3235
3236         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
3237         TARGET_MEM_FUNCTIONS.
3238         * system.h: Poison TARGET_MEM_FUNCTIONS.
3239         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
3240         bcmp_libfunc, bzero_libfunc): Remove.
3241         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
3242         bzero_libfunc.
3243         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
3244         * doc/standards.texi: Don't mention calling BSD string functions.
3245         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
3246         * config/vax/t-memfuncs: New.
3247         * config/memcmp.c, config/memcpy.c, config/memmove.c,
3248         config/memset.c: New.
3249         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
3250         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
3251         vax/t-memfuncs.
3252         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
3253         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
3254         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
3255         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
3256         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
3257         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
3258         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
3259         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
3260         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
3261         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
3262
3263 2004-07-05  Richard Henderson  <rth@redhat.com>
3264
3265         * function.c (assign_parm_setup_reg): Properly rename variables in
3266         FUNCTION_ARG_CALLEE_COPIES section.
3267
3268 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
3269
3270         * tree-mudflap.c: Include cgraph.h.
3271         (mf_init_extern_trees): Rename to mudflap_init.  Export.
3272         Rewrite to create synthetic declarations instead of looking
3273         up declarations from mf-runtime.h.
3274         (mf_make_builtin, mf_make_cache_struct_type): New functions.
3275         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
3276         Correct commentary.
3277         (execute_mudflap_function_decls, mudflap_register_call):
3278         Don't call mf_init_extern_trees.
3279         (mudflap_finish_file): Use cgraph_build_static_cdtor.
3280
3281         * tree-mudflap.h: Update prototypes.
3282         * c-mudflap.c: Delete file.
3283         * c-common.c: Include tree-mudflap.h.
3284         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
3285         * Makefile.in: Remove all references to c-mudflap.o.
3286         Update dependencies.
3287
3288 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3289
3290         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
3291         displacements with the spatial-locality cache-control completer.
3292
3293 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
3294
3295         * langhooks.c: Don't include gt-langhooks.h.
3296         (var_labelno): Delete.
3297         (lhd_set_decl_assembler_name): Do not append a distinguishing
3298         number to file-scope internal-linkage declarations for the first
3299         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
3300         the declaration itself (if at block scope), or its containing
3301         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
3302         number.
3303
3304         * opts.c (cur_in_fname): New global.
3305         * opts.h: Declare it.
3306         * tree.c: Include opts.h.
3307         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
3308         DECL_UID equal to cur_in_fname.
3309         (copy_node_stat): Do not change DECL_UID when copying a
3310         TRANSLATION_UNIT_DECL.
3311         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
3312         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
3313
3314         * c-decl.c (c_static_assembler_name): Delete.
3315         * c-tree.h (c_static_assembler_name): Delete prototype.
3316         * c-lang.c, objc/objc-lang.c: Don't override
3317         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
3318
3319         * Makefile.in (tree.o): Update dependencies.
3320         (GTFILES): Remove langhooks.c.
3321
3322 2004-07-05  Roger Sayle  <roger@eyesopen.com>
3323
3324         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
3325         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
3326         Normalize "X % C" as "X % -C" for signed modulus and negative C.
3327         Optimize "X % -Y" as "X % Y" for signed modulus.
3328         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
3329         into "((unsigned) X % Y) == 0".
3330
3331 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3332
3333         * sourcebuild.texi (Config Fragments): Use @comma{} in
3334         cross-reference to section title.
3335
3336 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3337
3338         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
3339         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
3340         (gimplify_target_expr, gimplify_expr): Likewise.
3341         (copy_if_shared_r): No longer need special case for BIND_EXPR.
3342         (unshare_body, unvisit_body): Only look at nested if BODY_P is
3343         whole function.
3344         (gimplify_compound_lval): See if we can strip any useless conversion.
3345         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
3346         from RHS, not LHS.
3347         (gimplify_modify_expr_to_memset): Likewise.
3348         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
3349         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
3350         (declare_inline_vars): Likewise.
3351         (walk_type_fields): New function.
3352         (walk_tree): Use it.
3353         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
3354
3355         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
3356         (sra_walk_modify_expr): Allow init function to fail.
3357         (scan_init): Now returns bool.
3358         (generate_element_init): If can't understand INIT, return false.
3359         (scalarize_init): Return false if generate_element_init does.
3360
3361         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
3362         print bounds.
3363
3364         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
3365         bounds if bounds aren't constant.
3366
3367         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
3368
3369         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
3370         to type hooks; remove bogus PARAMS.
3371
3372 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
3373
3374         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
3375         * dwarf2out.c (add_data_member_location_attribute): Check for
3376         TREE_BINFO.
3377         * tree.c (tree_node_kinds): Add "binfos".
3378         (binfo_lang_slots): New.
3379         (make_node_stat): Add TREE_BINFO.
3380         (make_tree_binfo_stat): New.
3381         (tree_node_structure): Add TREE_BINFO.
3382         * tree.def (TREE_BINFO): New.
3383         * tree.h (REC_OR_UNION_CHECK): Rename to ...
3384         (RECORD_OR_UNION_CHECK): ... here.
3385         (NOT_RECORD_OR_UNION_CHECK): New.
3386         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
3387         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
3388         RECORD_OR_UNION_CHECK.
3389         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
3390         (TYPE_LANG_SLOT_1): New.
3391         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
3392         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
3393         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
3394         (BINFO_ELTS): Remove.
3395         (BINFO_LANG_SLOT): New.
3396         (struct tree_binfo): New.
3397         (binfo_lang_slots): Declare.
3398         (enum tree_node_structure_enum): Add TS_BINFO.
3399         (union tree_node): Add binfo.
3400         (make_tree_binfo_stat): Declare.
3401         (make_tree_binfo): New.
3402         (enum tree_node_kind): Add binfo_kind.
3403
3404         * objc/objc-act.c (start_class, objc_declare_protocols,
3405         start_protocols): Use TYPE_LANG_SLOT_1.
3406         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
3407         to ...
3408         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
3409         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
3410         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
3411         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
3412
3413 2004-07-05  Steven Bosscher  <stevenb@suse.de>
3414
3415         * rtl.h (struct rtx_def): Remove the integrated flag.
3416         Use the return_val flag for MEM_SCALAR_P.
3417         Reshuffle and update flags in CLEAR_RTX_FLAGS.
3418
3419 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
3420
3421         PR target/16357
3422         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
3423         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
3424         move_by_pieces.
3425
3426 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
3427
3428         * var-tracking.c: Fix some comments.
3429         (frame_stack_adjust): New.
3430         (vt_stack_adjustments): Init stack_adjust of entry block to
3431         minus stack adjustment of function prologue.
3432         (adjust_stack_reference): Do not adjust if adjustment == 0.
3433         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
3434         (emit_notes_in_bb): Likewise.
3435         (vt_add_function_parameters): Do not adjust locations of
3436         function arguments.
3437         (vt_initialize): Compute the stack adjustment of function
3438         prologue and offset the initial "location" of frame_base_decl
3439         from the stack pointer after prologue.
3440
3441 2004-07-04  Richard Henderson  <rth@redhat.com>
3442
3443         * function.c (struct assign_parm_data_all): New.
3444         (struct assign_parm_data_one): New.
3445         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
3446         assign_parm_find_data_types, assign_parms_setup_varargs,
3447         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
3448         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
3449         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
3450         assign_parm_setup_block, assign_parm_setup_reg,
3451         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
3452         (assign_parms): ... here.
3453
3454 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
3455
3456         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
3457         now are bitmap_set_t's.
3458         (bitmap_insert_into_set): No point in inserting the value if
3459         it's invariant.
3460         (bitmap_set_contains): New function.
3461         (bitmap_set_replace_value): Add comment on why we do it
3462         this way.
3463         (set_contains): Removed.
3464         (bitmap_set_subtract_from_value_set): New name of
3465         set_subtract now that it's arguments are two different
3466         types of sets.
3467         Update callers.
3468         (bitmap_find_leader): Change algorithm used.
3469         (find_or_generate_expression): Update use of functions for new
3470         bitmap sets.
3471         (create_expression_by_pieces): Ditto.
3472         (insert_aux): Ditto.
3473         (insert): Ditto.
3474         (add_to_sets): Ditto.
3475         (init_pre): Ditto.
3476         (execute_pre): Ditto.
3477         (compute_avail): Ditto.
3478         Also ignore virtual phis.
3479
3480 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3481
3482         * combine.c (simplify_comparison): Fix comment typo.
3483
3484 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3485
3486         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
3487         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
3488         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
3489         (output_restore): Change parameter from 'insn' to 'pat'.
3490         (output_return): Adjust call to output_restore.
3491         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
3492         Adjust call to output_restore.
3493
3494 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3495
3496         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
3497         and assert system is bsd.
3498
3499 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3500
3501         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
3502         (TARGET_SWITCHES): Remove -mdebugc.
3503         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
3504         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
3505         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
3506         (sle_[sd]i_reg): Delete.
3507
3508 2004-07-04  Steven Bosscher  <stevenb@suse.de>
3509
3510         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3511         Define.
3512         * config/iq2000/iq2000.md: Translate old pipeline description to an
3513         equivalent new one.
3514
3515 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3516
3517         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
3518         Ensure the replacement rhs is valid gimple before performing
3519         the substitution.  Return false if these sanity checks fail.
3520         (fold_stmt): Only set changed to true, if set_rhs returns true.
3521         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
3522         succeeds.
3523
3524 2004-07-04  Richard Henderson  <rth@redhat.com>
3525
3526         PR c/16348
3527         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
3528
3529 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
3530
3531         * configure.ac (ranlib_flags): New variable.
3532         * Makefile.in (RANLIB_FLAGS): New variable.
3533         (libbackend.a): Use it.
3534         * configure: Regenerated.
3535
3536 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3537
3538         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
3539         a "sign mask" instead of using ashr_optab directly.
3540
3541 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3542
3543         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
3544         * doc/cppopts.texi: Clarify processing of command-line defines.
3545
3546 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
3547
3548         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
3549
3550 2004-07-04  Richard Henderson  <rth@redhat.com>
3551
3552         * rtl.def (ADDRESSOF): Remove.
3553         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
3554         (find_base_term, memrefs_conflict_p): Likewise.
3555         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
3556         (fold_rtx, cse_insn, set_live_p): Likewise.
3557         * dwarf2out.c (mem_loc_descriptor): Likewise.
3558         (add_location_or_const_value_attribute): Likewise.
3559         * emit-rtl.c (copy_insn_1): Likewise.
3560         * explow.c (memory_address): Likewise.
3561         * expmed.c (store_split_bit_field): Likewise.
3562         * expr.c (expand_expr_real_1): Likewise.
3563         * function.c (instantiate_decl
3564         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
3565         * genrecog.c (preds, validate_pattern): Likewise.
3566         * integrate.c (copy_rtx_and_substitute): Likewise.
3567         * recog.c (general_operand, register_operand): Likewise.
3568         (memory_address_p): Likwise.
3569         * reload1.c (eliminate_regs, elimination_effects): Likewise.
3570         * rtl.c (copy_rtx): Likewise.
3571         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3572         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
3573         * rtlhooks.c (gen_lowpart_general): Likewise.
3574         * stmt.c (expand_asm_operands): Likewise.
3575         * web.c (entry_register, replace_ref, web_main): Likewise.
3576         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
3577         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3578         * config/arm/arm.c (thumb_rtx_costs): Likewise.
3579         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
3580         * config/frv/frv.c (move_destination_operand, move_source_operand,
3581         condexec_dest_operand, condexec_source_operand,
3582         condexec_memory_operand): Likewise.
3583         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
3584         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
3585         (destination_xfmode_operand): Likewise.
3586         * config/mips/mips.h (PREDICATE_CODES): Likewise.
3587         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
3588         * config/s390/s390.c (general_s_operand): Likewise.
3589         * config/s390/s390.md (mov*): Likewise.
3590         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
3591
3592         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
3593         * expr.c (expand_expr_real_1): Likewise.
3594         * stmt.c (expand_decl): Likewise.
3595         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3596
3597         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
3598         postponed_insns, put_var_into_stack, put_reg_into_stack,
3599         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
3600         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
3601         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
3602         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
3603         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
3604         purge_bitfield_addressof_replacements, purge_addressof_replacements,
3605         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
3606         struct insns_for_mem_walk_info, insns_for_mem_walk,
3607         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
3608         setjmp_protect_args): Remove.
3609         (push_function_context_to): Don't handle var_refs_queue.
3610         (pop_function_context_from, free_after_compilation): Likewise.
3611         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
3612         (assign_parms, allocate_struct_function): Likewise.
3613         (use_register_for_decl): New.
3614         (expand_function_end): Don't setjmp_protect.
3615         * function.h (struct emit_status): Update commentary.
3616         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
3617         (max_parm_reg, parm_reg_stack_loc): Remove.
3618         * passes.c (DFI_addressof): Remove.
3619         (dump_file_info): Remove addressof.
3620         (rest_of_handle_addressof): Remove.
3621         (rest_of_compilation): Don't call it.
3622         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
3623         * stmt.c (expand_decl): Use use_register_for_decl.
3624         * tree.h: Update decls.
3625         * web.c (mark_addressof): Remove.
3626         * doc/invoke.texi (-dF): Remove.
3627
3628 2004-07-03  Richard Henderson  <rth@redhat.com>
3629
3630         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
3631         instead of gen_mem_addressof.
3632         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
3633         TImode output register.
3634
3635 2004-07-03  Richard Henderson  <rth@redhat.com>
3636
3637         PR tree-optimization/16341
3638         * tree-sra.c (sra_walk_function): Increment to next stmt before
3639         processing the current stmt.
3640         (sra_insert_after): Always use BSI_SAME_STMT.
3641
3642 2004-07-03  Richard Henderson  <rth@redhat.com>
3643
3644         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
3645         fp plus with minus.
3646
3647 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3648
3649         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
3650         with tree_int_cst_equal.
3651
3652 2004-07-03  Andreas Schwab  <schwab@suse.de>
3653
3654         * config/ia64/ia64.md: Define new attribute "empty".
3655         (prologue_use, nop_x, insn_group_barrier): Set it.
3656
3657         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
3658         skip over "empty" insns.
3659
3660 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3661
3662         * tree-inline.c (initialize_inlined_parameters): Pass proper function
3663         context to gimplify_body.
3664         (walk_tree): Don't walk into types twice.
3665         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
3666
3667         * tree-sra.c (generate_element_init): Remove any useless conversions.
3668
3669         * gimplify.c (gimplify_conversion): Remove stripping useless
3670         conversions from here.
3671         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
3672         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
3673         Unshare before substituting PLACEHOLDER_EXPR.
3674         (gimplify_modify_expr_to_memset): Likewise.
3675         Pass address of TO to memset, not TO itself.
3676         (gimplify_init_constructor): Make copy of OBJECT so we have it each
3677         time we make an expression (to match a PLACEHOLDER_EXPR).
3678
3679         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
3680         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
3681         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
3682         * tree-ssa-dom.c (local_fold): Likewise.
3683
3684         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
3685         * langhooks.h (strct lang_hooks): New field type_max_size.
3686         * function.c (assign_temp): Call it.
3687
3688 2004-07-03  Steven Bosscher  <stevenb@suse.de>
3689
3690         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
3691         * config/sh/sh.md: Convert the SH1 pipeline description to
3692         a DFA model.
3693
3694 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
3695
3696         * c-decl.c (struct c_binding): Remove contour field; add
3697         depth, invisible, nested fields.
3698         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
3699         (B_IN_EXTERNAL_SCOPE): New convenience macros.
3700         (bind): Add invisible and nested arguments. Initialize
3701         new fields of struct c_binding; adjust loop scanning for
3702         insertion point.
3703         (free_binding_and_advance): Clear structure with memset.
3704         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
3705         in file scope, even if it's in external scope too.
3706         (pushdecl): Adjust to match.  Create invisible file-scope
3707         declarations for block-scope forward declarations of static functions.
3708         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
3709         (undeclared_variable, lookup_label, declare_label, define_label)
3710         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
3711         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
3712         (store_parm_decls_oldstyle): Adjust to match.
3713         (diagnose_mismatched_decls): Correct handling of linkage clashes.
3714         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
3715
3716         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
3717         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
3718
3719 2004-07-02  Richard Henderson  <rth@redhat.com>
3720
3721         * c-decl.c (grokdeclarator): Don't frob current_function_decl
3722         around variable_size.
3723         (set_decl_nonlocal): Remove.
3724         (store_parm_decls): Add stmts for pending sizes.
3725         * calls.c (calls_function, calls_function_1): Remove.
3726         (precompute_arguments): Don't call it.
3727         * cfgexpand.c (set_save_expr_context): Remove.
3728         (tree_expand_cfg): Don't call it.
3729         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
3730         (dwarf2out_finish): Likewise.
3731         * expr.c (emit_block_move): Adjust addresses to BLKmode.
3732         (store_constructor): Don't pre-evaluate SAVE_EXPR.
3733         (safe_from_p): Don't queue SAVE_EXPRs.
3734         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
3735         or build plain VAR_DECLs.
3736         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
3737         (fold): Likewise.
3738         (fold_checksum_tree): Don't special-case SAVE_EXPR.
3739         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
3740         (put_var_into_stack): Don't handle SAVE_EXPR.
3741         (gen_mem_addressof): Likewise.
3742         * function.h (struct function): Remove x_save_expr_regs.
3743         (save_expr_regs): Remove.
3744         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
3745         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
3746         * stor-layout.c (variable_size): Don't set it.
3747         (force_type_save_exprs, force_type_save_exprs_1): Remove.
3748         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
3749         all callers.  Don't set SAVE_EXPR_CONTEXT.
3750         * tree-inline.h (remap_save_expr): Update decl.
3751         * tree.c (save_expr): Update build size.
3752         (first_rtl_op): Don't handle SAVE_EXPR.
3753         (unsave_expr_1, contains_placeholder_p): Likewise.
3754         (decl_function_context): Likewise.
3755         * tree.def (SAVE_EXPR): Remove args 1 and 2.
3756         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
3757         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
3758
3759 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3760
3761         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
3762         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
3763         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
3764         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
3765         some first-person references and patronizing comments.  Based on
3766         printed manual.
3767         * doc/invoke.texi: Don't reference fortran@gnu.org.
3768         * doc/trouble.texi (Warning when a non-void function value is
3769         ignored): Rewrite.  From Russ Allbery and Chris Devers.
3770
3771 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
3772
3773         * tree-ssa-pre.c (bitmap_set_t): New.
3774         (bb_value_sets): avail_out is now a bitmap_set_t.
3775         (bitmap_find_leader): New function.
3776         (bitmap_value_insert_into_set): Ditto.
3777         (bitmap_set_copy): Ditto.
3778         (bitmap_value_replace_in_set): Ditto.
3779         (bitmap_set_contains_value): Ditto.
3780         (bitmap_set_new): Ditto.
3781         (bitmap_set_pool): New pool.
3782         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
3783         (insert_aux): Ditto.
3784         (add_to_sets): Ditto.
3785         (compute_avail): Ditto
3786         (eliminate): Ditto.
3787         (init_pre): Ditto.
3788         (fini_pre): Ditto.
3789         (execute_pre): Ditto.
3790
3791 2004-07-02  Roger Sayle  <roger@eyesopen.com>
3792
3793         * config/rs6000/rs6000.c (struct processor_costs): New structure
3794         used to hold instruction latencies/sizes for processor types.
3795         (rs6000_cost): New global variable pointing to current CPU's costs.
3796         (rs6000_override_options): Initialize rs6000_cost to point to the
3797         appropriate cost table based upon rs6000_cpu and optimize_size.
3798         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
3799         timings inline.
3800
3801 2004-07-02  Richard Henderson  <rth@redhat.com>
3802
3803         * expmed.c (make_tree): Don't use SET_DECL_RTL.
3804
3805 2004-07-02  Steven Bosscher  <stevenb@suse.de>
3806
3807         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
3808
3809 2004-07-01  Richard Henderson  <rth@redhat.com>
3810
3811         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
3812         (alpha_gp_save_rtx): Use assign_stack_local instead of
3813         gen_mem_addressof.
3814
3815 2004-07-01  Richard Henderson  <rth@redhat.com>
3816
3817         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
3818         (alpha_rtx_cost_data): Update to match.
3819         (alpha_rtx_cost_size): New.
3820         (alpha_rtx_costs): Honor optimize_size.
3821
3822 2004-07-01  Richard Henderson  <rth@redhat.com>
3823
3824         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
3825         * cfgexpand.c (tree_expand_cfg): Do it here.
3826         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
3827         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
3828         * config/mips/mips.c (mips_output_mi_thunk): And here.
3829         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
3830         * config/sh/sh.c (sh_output_mi_thunk): And here.
3831         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
3832
3833 2004-07-01  Richard Henderson  <rth@redhat.com>
3834
3835         * tree.def (RTL_EXPR): Remove.
3836         * c-typeck.c (lvalue_p): Don't handle it.
3837         * expr.c (safe_from_p): Likewise.
3838         (expand_expr_real_1): Likewise.
3839         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
3840         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
3841         * gengtype.c (adjust_field_tree_exp): Likewise.
3842         * stmt.c (warn_if_unused_value): Likewise.
3843         * tree-gimple.c (recalculate_side_effects): Likewise.
3844         * tree-pretty-print.c (dump_generic_node): Likewise.
3845         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
3846         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
3847         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
3848
3849         * stmt.c (struct stmt_status): Remove x_last_expr_type,
3850         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
3851         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
3852         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
3853         all the bits that tracked last_expr.
3854         (expand_end_bindings): Don't track last_expr.
3855         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
3856         (clear_last_expr): Remove.
3857         (expand_asm): Don't call it.
3858         (expand_asm_operands, expand_end_cond): Likewise.
3859         (expand_naked_return, expand_null_return_1): Likewise.
3860         * c-typeck.c (c_begin_compound_stmt): Likewise.
3861         * cfgexpand.c (expand_block): Use expand_expr_stmt.
3862         * expr.c (expand_expr_real_1): Likewise.
3863         * tree.h: Update prototypes.
3864
3865         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
3866         (struct emit_status): Remove sequence_rtl_expr.
3867         (struct function): Remove x_rtl_expr_chain.
3868         (seq_rtl_expr, rtl_expr_chain): Remove.
3869         * function.c (struct temp_slot): Remove rtl_expr.
3870         (assign_stack_temp_for_type): Don't set it.
3871         (free_temp_slots, pop_temp_slots): Don't check it.
3872         (free_after_compilation): Don't clear x_rtl_expr_chain.
3873         (fixup_var_refs): Don't search it.
3874         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
3875         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
3876         or seq_rtl_expr.
3877         (push_topmost_sequence): Likewise.
3878         (end_sequence, init_emit): Likewise.
3879         (start_sequence_for_rtl_expr): Remove.
3880         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3881         * rtl.h (preserve_rtl_expr_result): Remove.
3882
3883 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3884
3885         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3886         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3887         typos.
3888
3889 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3890
3891         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3892         (STANDARD_STARTFILE_PREFIX_2): Define.
3893         (standard_startfile_prefix_1): Initialize to
3894         STANDARD_STARTFILE_PREFIX_1.
3895         (standard_startfile_prefix_2): Initialize to
3896         STANDARD_STARTFILE_PREFIX_2.
3897         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3898         (STANDARD_STARTFILE_PREFIX_1): Define.
3899         (STANDARD_STARTFILE_PREFIX_2): Define.
3900         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3901         (STANDARD_STARTFILE_PREFIX_2): Document.
3902
3903 2004-07-01  Richard Henderson  <rth@redhat.com>
3904
3905         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3906         in order to disable scalarization.  Instead set a flag and wait
3907         for a candidate decl.
3908
3909 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3910
3911         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
3912         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
3913         Use terminology "testsuite" and "enumerated".
3914
3915 2004-07-01  Richard Henderson  <rth@redhat.com>
3916
3917         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
3918         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
3919         (initial_return_save): Likewise.
3920         (flush_queued_reg_saves): Remap register numbers.
3921         (dwarf2out_return_reg): Likewise.
3922
3923 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3924
3925         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
3926
3927         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
3928         access functions for lower bound and element size and only output
3929         if lower bound nonzero or element size not same as that of type.
3930         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
3931
3932 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3933
3934         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
3935
3936 2004-07-01  Per Bothner  <per@bothner.com>
3937
3938         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
3939
3940 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
3941
3942         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
3943         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
3944         first operand.  Don't optimize if the bitfield is volatile.
3945
3946 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3947
3948         * c-pretty-print.c (pp_c_postfix_expression): Handle
3949         floating-point comparison operators.
3950         (pp_c_expression): Pass floating-point comparison
3951         operators to pp_c_postfix_expression.
3952
3953 2004-07-01  Roger Sayle  <roger@eyesopen.com>
3954
3955         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
3956         rtx_cost instead of "had_mult" to determine whether the transformed
3957         expression is cheaper than the original.
3958
3959 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
3960
3961         * alias.c (get_alias_set, canon_rtx, get_addr,
3962         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
3963         Use MEM_P.
3964         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
3965         expand_builtin): Likewise.
3966         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
3967         Likewise.
3968         * combine.c (can_combine_p, combinable_i3pat, try_combine,
3969         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
3970         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
3971         record_dead_and_set_regs_1, get_last_value_validate,
3972         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
3973         * cse.c (check_dependence, canon_hash, equiv_constant,
3974         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
3975         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
3976         count_reg_usage): Likewise.
3977         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
3978         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
3979         cselib_record_sets): Likewise.
3980         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
3981         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
3982         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
3983         * df.c (df_uses_record): Likewise.
3984         * dojump (do_jump): Likewise.
3985         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
3986         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
3987         decl_start_label): Likewise.
3988         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
3989         operand_subword, change_address_1, make_safe_from): Likewise.
3990         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
3991         stabilize, force_not_mem): Likewise.
3992         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
3993         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
3994         * expr.c (convert_move, convert_modes, emit_block_move,
3995         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
3996         emit_move_insn_1, expand_assignment, store_expr,
3997         store_constructor_field, store_constructor, store_field,
3998         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
3999         Likewise.
4000         * final.c (cleanup_subreg_operands, alter_subreg,
4001         get_mem_expr_from_op): Likewise.
4002         * flow.c (notice_stack_pointer_modification_1,
4003         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
4004         Likewise.
4005         * function.c (mark_temp_addr_taken, preserve_temp_slots,
4006         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
4007         optimize_bit_field, flush_addressof, purge_addressof_1,
4008         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
4009         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
4010         keep_stack_depressed): Likewise.
4011         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
4012         noce_process_if_block, find_memory): Likewise.
4013         * integrate.c (subst_constants, allocate_initial_values): Likewise.
4014         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
4015         update_equiv_regs): Likewise.
4016         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
4017         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
4018         * optabs.c (expand_abs, emit_unop_insn): Likewise.
4019         * passes.c (rest_of_handle_final): Likewise.
4020         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
4021         move2add_note_store): Likewise.
4022         * ra-build.c (detect_remat_webs): Likewise.
4023         * ra-debug.c (dump_static_insn_cost): Likewise.
4024         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
4025         * recog.c (validate_change, apply_change_group, cancel_changes,
4026         validate_replace_rtx_1, general_operand, register_operand,
4027         nonmemory_operand, push_operand, pop_operand, memory_operand,
4028         indirect_operand, asm_operand_ok, offsettable_memref_p,
4029         offsettable_nonstrict_memref_p, constrain_operands,
4030         store_data_bypass_p): Likewise.
4031         * reg-stack.c (subst_stack_regs_pat): Likewise.
4032         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
4033         copy_cost, reg_scan_mark_refs): Likewise.
4034         * regmove.c (optimize_reg_copy_3, stack_memref_p,
4035         combine_stack_adjustments_for_block): Likewise.
4036         * regrename.c (copyprop_hardreg_forward_1): Likewise.
4037         * reload.c (can_reload_into, push_reload, decompose, immune_p,
4038         find_reloads, find_reloads_address, find_reloads_address_1,
4039         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
4040         find_equiv_reg): Likewise.
4041         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
4042         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
4043         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
4044         delete_address_reloads): Likewise.
4045         * resource.c (mark_referenced_resources): Likewise.
4046         * rtlanal.c (get_jump_table_offset, count_occurrences,
4047         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
4048         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
4049         num_sign_bit_copies1): Likewise.
4050         * rtlhooks.c (gen_lowpart_general): Likewise.
4051         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
4052         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
4053         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
4054         sdbout_global_decl): Likewise.
4055         * simplify-rtx.c (simplify_subreg): Likewise.
4056         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
4057         expand_anon_union_decl, expand_end_case_type): Likewise.
4058         * unroll.c (calculate_giv_inc): Likewise.
4059         * var-tracking.c (stack_adjust_offset_pre_post,
4060         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
4061         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
4062         vt_add_function_parameters): Likewise.
4063         * varasm.c (make_var_volatile, notice_global_symbol,
4064         assemble_external, decode_addr_const, mark_weak,
4065         default_encode_section_info): Likewise.
4066
4067 2004-07-01  Steven Bosscher  <stevenb@suse.de>
4068
4069         * stmt.c (check_seenlabel): Remove.
4070         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
4071
4072 2004-07-01  Richard Henderson  <rth@redhat.com>
4073
4074         * function.h (struct function): Remove x_function_call_count.
4075         (function_call_count): Remove.
4076         * calls.c (expand_call): Don't set it.
4077         * integrate.c (copy_rtx_and_substitute): Likewise.
4078
4079         * function.h (struct function): Remove x_cleanup_label.
4080         (cleanup_label): Remove.
4081         * stmt.c (expand_value_return): Don't use it.
4082         * function.c (free_after_compilation): Don't set it.
4083         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
4084         * cfgexpand.c (tree_expand_cfg): Update call.
4085         * tree.h (expand_function_start): Update decl.
4086
4087 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
4088
4089         PR c/1027
4090         * c-lang.c (c_initialize_diagnostics): Move from here ...
4091         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
4092         (c_tree_printer): Use pretty-printer to format %T.
4093         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
4094         before '*' if not C++.
4095         (pp_c_direct_abstract_declarator): Don't try to print array upper
4096         bound for flexible array members.
4097         * c-tree.h: Include "diagnostic.h".
4098         (c_initialize_diagnostics): Declare.
4099         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
4100         * c-format.c (format_type_warning): New function.  Improve
4101         diagnostics for incorrect format argument types.
4102         (check_format_types): Use it.  Add two parameters.  Use the
4103         TYPE_MAIN_VARIANT of wanted_type.
4104         (check_format_info_main): Pass new parameters to
4105         check_format_types.
4106         (struct format_wanted_type): Update comment.
4107
4108 2004-07-01  Nick Clifton  <nickc@redhat.com>
4109
4110         * target.h (struct gcc_target): Add new field to struct cxx:
4111         import_export_class.
4112         * target-def.h (TARGET_CXX): Initialise the new field.
4113         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
4114         the new field.
4115         * doc/tm.texi: Document the new target hook.
4116
4117 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
4118
4119         * builtins.c (fold_builtin_classify): Fix typo.
4120
4121 2004-07-01  Richard Henderson  <rth@redhat.com>
4122
4123         * function.c (identify_blocks, identify_blocks_1): Remove.
4124         * function.h (identify_blocks): Remove.
4125         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
4126
4127 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
4128
4129         * builtins.c (fold_builtin_classify): New.
4130         (fold_builtin_unordered_cmp): Fix commentary.
4131         (fold_builtin): Use it.
4132         * builtins.def: Define builtins for isnan,
4133         isnanf, isnanl, finite, finitef, finitel,
4134         isinf, isinff, isinfl.
4135
4136 2004-07-01  Richard Henderson  <rth@redhat.com>
4137
4138         * function.h (struct function): Remove dont_emit_block_notes.
4139         * gimple-low.c (lower_function_body): Don't set it.
4140         * cfgexpand.c (expand_block): Don't check it.
4141         * cfglayout.c (insn_locators_initialize): Likewise.
4142         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
4143         * passes.c (rest_of_compilation): Likewise.
4144         * stmt.c (expand_start_bindings_and_block): Likewise.
4145         (expand_end_bindings): Likewise.
4146
4147 2004-07-01  Richard Henderson  <rth@redhat.com>
4148
4149         * cgraph.h (cgraph_build_static_cdtor): Declare.
4150         * cgraphunit.c (cgraph_build_static_cdtor): New.
4151         * c-objc-common.c (build_cdtor): Use it.
4152         * coverage.c (create_coverage): Likewise.
4153         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
4154         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
4155
4156 See ChangeLog.11 for earlier changes.