OSDN Git Service

* final.c (final_scan_insn): Fix broken commit from previous
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-07-17  Steven Bosscher  <stevenb@suse.de>
2
3         * final.c (final_scan_insn): Fix broken commit from previous
4         patch.
5
6 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
7
8         * c-typeck.c (parser_build_binary_op): Condition warnings for
9         X<=Y<=Z on -Wparentheses instead of -Wextra.
10         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
11         supported for C only.
12
13 2004-07-17  Steven Bosscher  <stevenb@suse.de>
14
15         * cfgcleanup.c (try_simplify_condjump): Don't remove line
16         notes to avoid unreachable code warnings.
17         * toplev.c (backend_init): Don't emit line notes for
18         unreachable code warnings.
19
20         * combine.c (distribute_notes): Don't distribute a
21         REG_VTABLE_REF note.
22         * final.c (final_scan_insn): Don't handle it.
23         * rtl.c (reg_note_name): Remove it.
24         * rtl.h (enum reg_node): Dito.
25
26         * emit-rtl.c (force_line_numbers, restore_line_number_status):
27         Remove.
28         * rtl.h (force_line_numbers, restore_line_number_status):
29         Remove prototypes.
30
31         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
32         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
33         (using_eh_for_cleanups): Also moved here.
34
35         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
36         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
37         to expand_start_case and add_case_node.
38         * stmt.c (struct nesting): Cleanup unused fields condition_code,
39         last_unconditional_cleanup, nominal_type, printname, and
40         line_number_status.
41         (struct fixup_goto): Remove.
42         (struct stmt_status): Remove x_goto_fixup_chain field.
43         (goto_fixup_chain): Remove.
44         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
45         pushcase, pushcase_range): Remove.
46         (expand_start_bindings_and_block): Don't set unused fields in
47         the nesting stack.
48         (expand_start_case, add_case_node): Cleanup unused formal arguments.
49         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
50         instead of emit_jump_if_reachable.
51         (emit_case_nodes): Likewise.
52         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
53         static.
54         (update_eh_label): Work around left-over exception handing regions.
55         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
56         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
57         (pass_cleanup_cfg_post_optimizing): New pass.
58         (init_tree_optimization_passes): Run the new pass after all
59         optimizations.
60         * tree.h (pushcase, pushcase_range): Remove prototypes.
61         (expand_start_case, add_case_node): Update prototypes.
62
63 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
64
65         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
66
67 2004-07-16  Richard Henderson  <rth@redhat.com>
68
69         * builtins.c (std_expand_builtin_va_arg): Remove.
70         (expand_builtin_va_arg): Remove.
71         * expr.h: Don't declare them.
72         * gimplify.c (mark_decls_volatile_r): Remove.
73         (copy_if_shared_r): Don't call it.
74         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
75         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
76         * gimple-low.c (lower_stmt): Likewise.
77         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
78         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
79         * tree-ssa-operands.c (get_expr_operands): Likewise.
80         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
81         EXPAND_BUILTIN_VA_ARG.
82         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
83         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
84         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
85         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
86
87 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
88
89         * tree-ssa-pre.c (insert_aux): Break out if we hit
90         a critical edge.
91
92 2004-07-16  Richard Henderson  <rth@redhat.com>
93
94         * basic-block.h (remove_fake_exit_edges): Declare.
95         * cfganal.c (remove_fake_predecessors): Rename from
96         remove_fake_successors; iterate over predecessors.
97         (remove_fake_exit_edges): New.
98         * cfgcleanup.c (try_optimize_cfg): Use it.
99         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
100         * predict.c (estimate_probability): Likewise.
101         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
102         * tree-cfg.c (make_edges): Likewise.
103         * tree-ssa-pre.c (fini_pre): Likewise.
104         * profile.c (instrument_edges): Don't remove_fake_edges.
105         (branch_prob): Do it earlier here.
106
107 2004-07-16  Richard Henderson  <rth@redhat.com>
108
109         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
110         switchification wrt CONSTRUCTOR.  Document the reason.
111
112 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
113
114         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
115         that prevented descriptive __mf_check source location strings.
116
117 2004-07-16  Richard Henderson  <rth@redhat.com>
118
119         * tree-def (WITH_SIZE_EXPR): New.
120         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
121         * expr.c (expand_expr_real_1): Likewise.
122         * gimplify.c (maybe_with_size_expr): New.
123         (gimplify_arg, gimplify_modify_expr): Use it.
124         (gimplify_modify_expr_to_memcpy): Take size parameter.
125         (gimplify_modify_expr_to_memset): Likewise.
126         (gimplify_expr): Handle WITH_SIZE_EXPR.
127         * tree-alias-common.c (find_func_aliases): Likewise.
128         * tree-eh.c (tree_could_trap_p): Likewise.
129         (tree_could_throw_p): Likewise.
130         * tree-gimple.c (is_gimple_lvalue): Likewise.
131         (get_call_expr_in): Likewise.
132         * tree-inline.c (estimate_num_insns_1): Likewise.
133         (expand_calls_inline): Likewise.
134         * tree-nested.c (convert_call_expr): Likewise.
135         * tree-pretty-print.c (dump_generic_node): Likewise.
136         * tree-sra.c (sra_walk_expr): Likewise.
137         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
138         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
139         * tree-ssa-operands.c (get_expr_operands): Likewise.
140         * tree-tailcall.c (find_tail_calls): Likewise.
141         
142         * calls.c (expand_call): Reset old_stack_allocated after
143         calling emit_stack_restore.
144
145 2004-07-16  Richard Henderson  <rth@redhat.com>
146
147         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
148         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
149         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
150         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
151         copy_res_decl_for_inlining.
152
153         * tree-inline.c (declare_return_variable): New modify_dest argument.
154         Use it as the return value, when possible or manditory.  Handle
155         TREE_ADDRESSABLE types.
156         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
157         replacement of CALL_EXPR.
158
159 2004-07-16  Richard Henderson  <rth@redhat.com>
160
161         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
162         * gimple-low.c (expand_var_p): Don't check it.
163         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
164         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
165         * tree-ssa-operands.c (add_stmt_operand): Likewise.
166         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
167         (find_referenced_vars): Don't call them.
168         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
169
170 2004-07-16  Richard Henderson  <rth@redhat.com>
171
172         * function.c (pass_by_reference): True for all variable sized types.
173
174 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
175
176         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
177         * tree-pretty-print.c: Include tree-chrec.h.
178         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN 
179         and POLYNOMIAL_CHREC nodes.
180
181 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
182
183         * builtins.c (expand_builtin_stpcpy): Do not create temporary
184         reg with VOIDmode.
185
186 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
187
188         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
189
190 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
191
192         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
193         to BASE_REGNUM.
194         * config/s390/s390.c: Likewise.
195         * config/s390/s390.h: Likewise.
196
197 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
198
199         * config/mips/mips.md (addsi3, adddi3): Remove special handling
200         of $sp adds.  Remove REGNO checks from mips16 patterns.
201
202 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
203
204         * config/mips/mips.md: Delete outdated comment.
205
206 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
207
208         * config/mips/mips.c (get_float_compare_codes): Delete.
209         (mips_emit_compare): New function, mostly extracted from
210         get_float_compare_codes and gen_conditional_branch.
211         (gen_conditional_branch, gen_conditional_move): Use it.
212
213 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
214
215         * genautomata.c (add_vect): Speedup by using integers as
216         bit-vectors for walking through the comb_vect and finding
217         a match.
218
219 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
220
221         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
222         operand is an uns_arith_operand; use subtraction otherwise.
223         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
224         not just arith_operands.
225
226 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
227
228         * config/mips/mips-protos.h (gen_int_relational): Delete.
229         (mips_emit_scc): Declare.
230         * config/mips/mips.c (internal_test): Delete.
231         (sle_operand, sleu_operand): New functions.
232         (map_test_to_internal_test, gen_int_relational): Delete.
233         (mips_emit_binary, mips_relational_operand_ok_p)
234         (mips_emit_int_relational, mips_zero_if_equal)
235         (mips_emit_scc): New functions.
236         (gen_conditional_branch): Rework to use mips_emit_int_relational.
237         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
238         sleu_operand.
239         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
240         (sltu, sleu): Use mips_emit_scc.
241         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
242         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
243         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
244
245 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
246
247         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
248
249 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
250
251         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
252         (*sne_[sd]i): Likewise sne_[sd]i_zero.
253         (*sgt_[sd]i): ...and sgt_[sd]i.
254         (*slt_[sd]i): ...and slt_[sd]i.
255         (*sgtu_[sd]i): ...and sgtu_[sd]i.
256         (*sltu_[sd]i): ...and sltu_[sd]i.
257         (*sleu_[sd]i): ...and sleu_[sd]i_const.
258         Name previously unnamed mips16 patterns.  Formatting fixes.
259
260 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
261
262         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
263         (branch_type): Delete.
264         (gen_conditional_branch, gen_conditional_move)
265         (mips_gen_conditional_trap): Update after name change.  Get the
266         comparison mode from cmp_operands[0].
267         * config/mips/mips.h (cmp_type, branch_type): Delete.
268         (cmp_operands): Renamed from branch_cmp.
269         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
270         name change.  Don't set branch_type.
271         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
272         mode class of cmp_operands[0] rather than branch_type.  Update after
273         name change.
274
275 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
276
277         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
278         of 0...255 to 0 when inside a SET.
279
280 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
281
282         * config/mips/mips.md: Remove mips16 define_peepholes.
283
284 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
285
286         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
287         (fini_pre): Remove fake edges.
288
289 2004-07-15  Richard Henderson  <rth@redhat.com>
290
291         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
292         (get_indirect_ref_operands, get_call_expr_operands): ... these.
293
294 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
295
296         * vec.h (VEC_address): New function.
297
298 2004-07-14  Jason Merrill  <jason@redhat.com>
299
300         PR middle-end/15885
301         * gimplify.c (gimplify_arg): New fn, split out from...
302         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
303
304 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
305
306         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to 
307         generate code which is generated by pushqi1 now
308         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
309
310 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
311
312         * combine.c (simplify_set): match the mode of the constant 0 with 
313         the tested operand to match the compare behaviour and the 
314         simplify_relational_operation() expectation.
315
316 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
317
318         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
319         ("bordered"): Same.
320
321 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
322
323         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
324         unconditionally.
325         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
326
327 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
328
329         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
330         calls in mips16 code.
331
332 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
333
334         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
335         the destination of the li as well as for the neg.
336
337 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
338
339         g++/15861
340         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
341         * cgraph.h: Update declaration.
342         * c-decl.c (build_cdtor): Update call with default priority.
343         * coverage.c (create_coverage): Ditto.
344         * tree-mudflap.c (mf_init_fndecl): New tree.
345         (mudflap_init): Set it.
346         (mudflap_register_call): Arrange to call __mf_init before the first
347         __mf_register call.
348         (mudflap_finish_file): Mark the mudflap static initializer as extra
349         high priority, to beat all C++ static constructors.
350
351 2004-07-15  Jeff Law  <law@redhat.com>
352
353         * loop.c (check_insn_for_givs): Restore check for code labels that was
354         accidentally deleted by a recent checkin.
355
356 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
357
358         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
359         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
360
361 2004-07-14  Richard Henderson  <rth@redhat.com>
362
363         * print-tree.c (print_node): Fix casts last change.
364
365 2004-07-15  Paul Brook  <paul@codesourcery.com>
366
367         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
368         to TARGET_UNWIND_INFO.
369         * except.c (output_function_exception_table): Ditto.
370         * except.h: Ditto.
371         * opts.c (decode_options): Ditto.
372         * passes.c (rest_of_handle_final): Ditto.
373         * final.c (final_start_function): Ditto.
374         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
375         target hook.
376         * targhooks.h (default_unwind_emit): Declare.
377         * targhooks.c (default_unwind_emit): New function.
378         * target-def.h: Define and use TARGET_UNWIND_EMIT.
379         * target.h (struct gcc_target): Add unwind_emit.
380         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
381         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
382         Remove IA64_UNWIND_EMIT.
383         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
384
385 2004-07-14  Richard Henderson  <rth@redhat.com>
386
387         * print-tree.c (print_node): Handle SSA_NAME.
388
389 2004-07-14  James E Wilson  <wilson@specifixinc.com>
390
391         PR target/16325
392         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
393         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
394
395 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
396
397         * expr.c (expand_assignment): Reenable bitfield += optimizations.
398         Use alias set 0 for memory, do proper mode calculations and adjust
399         address for memories.
400
401 2004-07-14  Per Bothner  <per@bothner.com>
402
403         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
404         structure with extra column field.
405         * tree.c (expand_location):  Also fill in column field.
406         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
407         gets confused by the two conditionally-compiled definitions.
408
409 2004-07-14  Eric Christopher  <echristo@redhat.com>
410
411         * calls.c (expand_call): Fix typo in comment.
412
413 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
414
415         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
416         comparision of TFmode.
417
418 2004-07-14  Richard Henderson  <rth@redhat.com>
419
420         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
421         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
422         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
423         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
424         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
425         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
426         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
427         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
428         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
429
430 2004-07-14  Mike Stump  <mrs@apple.com>
431
432         * config/darwin.h (WINT_TYPE): Define to be int to match
433         system header files.
434
435 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
436
437         * config/xtensa/xtensa.c (function_arg_advance): Check for args
438         that must be passed in the stack.
439         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
440         arguments if the size is not a constant.
441
442 2004-07-14  Per Bothner  <per@bothner.com>
443
444         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
445         instead of EXPR_LOCUS in a boolean context, which is always true
446         if --enable-mapped-location.
447         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
448
449 2004-07-14  Richard Henderson  <rth@redhat.com>
450
451         * dominance.c (struct dom_info): Add fake_exit_edge.
452         (init_dom_info): Allocate it.
453         (free_dom_info): Free it.
454         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
455         in two passes.
456         (calc_idoms): Honor fake_exit_edge.
457
458 2004-07-13  Jason Merrill  <jason@redhat.com>
459
460         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
461         (rhs_test_for): New fn.
462         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
463         * tree-gimple.h: Declare them.
464         * gimplify.c (gimplify_modify_expr): Use the new fns.
465
466 2004-07-14  Richard Henderson  <rth@redhat.com>
467
468         * config/arm/arm-protos.h (arm_va_arg): Remove.
469         * config/arm/arm.c (arm_va_arg): Remove.
470         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
471         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
472
473 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
474
475         * pa.c (fix_range): New function to mark a range(s) of registers as
476         fixed registers.
477         (override_options): Call fix_range if the -mfixed-range option string
478         is not empty.
479         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
480         * doc/invoke.texi (-mfixed-range): Document new option.
481
482 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
483
484         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
485         for TARGET_64BIT.
486         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
487
488 2004-07-14  Roger Sayle  <roger@eyesopen.com>
489
490         * expmed.c (expand_sdiv_pow2): New function to expand signed division
491         by a positive power of two, split out from expand_divmod.  Provide
492         an alternate implementation when shifts are expensive.  Lower the
493         threshold for using a branchless implementation to BRANCH_COST >= 2.
494         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
495
496 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
497
498         * tree-dfa.c (make_rename_temp): *Really* work just
499         like create_tmp_var if called while outside SSA form.
500
501 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
502
503         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
504         for division by zero.
505         ("umodsi3"): Likewise.
506
507 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
508
509         * config/mips/mips.c (mips_output_move): When generating mips16 code,
510         force loads of negative constants to be split.
511         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
512         Generalize SImode li/neg splitter to cope with other modes.
513
514 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
515
516         * expmed.c: Remove more references to QUEUED in the comments.
517         * expr.c: Likewise.
518
519 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
520
521         Revert:
522         2004-07-13  Richard Henderson  <rth@redhat.com>
523         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
524         correctly.
525
526 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
527
528         * tree-dfa.c (make_rename_temp): Work just like
529         create_tmp_var if called while outside SSA form.
530
531 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
532
533         * expr.c (enqueue_insn, finish_expr_for_function,
534         protect_from_queue, queued_subexp_p, mark_queue,
535         emit_insns_enqueued_after_mark, emit_queue,
536         expand_increment): Remove.
537         (store_constructor): Expand increment as an assignment.
538         (expand_expr_real_1 <case PREINCREMENT_EXPR,
539         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
540         case POSTDECREMENT_EXPR>): Abort.
541         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
542         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
543         protect_from_queue, emit_queue, queued_subexp_p): Remove.
544         * function.h (pending_chain, x_pending_chain): Remove.
545         * rtl.def (QUEUED): Remove.
546
547         * emit-rtl.c (copy_insn_1, copy_most_rtx,
548         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
549         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
550         encode_units_mask): Likewise.
551         * local-alloc.c (equiv_init_varies_p): Likewise.
552         * rtl.c (copy_rtx): Likewise.
553         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
554         * simplify-rtx.c (simplify_gen_subreg): Likewise.
555         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
556
557         * builtins.c (expand_builtin, expand_builtin_apply,
558         expand_builtin_mathfn, expand_builtin_mathfn_2,
559         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
560         Remove calls to emit_queue and protect_from_queue.
561         * calls.c (expand_call, precompute_arguments,
562         precompute_register_parameters, rtx_for_function_call,
563         store_one_arg): Likewise.
564         * dojump.c (do_compare_and_jump, do_jump): Likewise.
565         * explow.c (memory_address): Likewise.
566         * expmed.c (clear_by_pieces_1, clear_storage,
567         clear_storage_via_libcall, emit_group_load,
568         emit_group_store, emit_store_flag,
569         expand_expr_real_1, store_by_pieces,
570         store_constructor, store_expr, try_casesi,
571         try_tablejump): Likewise.
572         * function.c (expand_pending_sizes): Likewise.
573         * optabs.c (emit_cmp_and_jump_insns,
574         emit_conditional_add, emit_conditional_move,
575         expand_fix, expand_float, prepare_cmp_insn): Likewise.
576         * stmt.c (emit_case_bit_tests,
577         expand_asm_expr, expand_computed_goto,
578         expand_decl_init, expand_end_case_type,
579         expand_end_stmt_expr, expand_expr_stmt_value,
580         expand_return, expand_start_case,
581         optimize_tail_recursion): Likewise.
582         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
583         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
584
585 2004-07-14  Ben Elliston  <bje@au.ibm.com>
586
587         * vec.h: Comment fix.
588
589 2004-07-13  Richard Henderson  <rth@redhat.com>
590
591         * target.h (struct gcc_target): Add calls.pass_by_reference.
592         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
593         * function.c (pass_by_reference): Use the hook.
594         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
595         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
596         (hook_pass_by_reference_must_pass_in_stack): New.
597         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
598         (alpha_pass_by_reference): New.
599         (TARGET_PASS_BY_REFERENCE): New.
600         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
601         * config/arc/arc.c (arc_pass_by_reference): New.
602         (TARGET_PASS_BY_REFERENCE): New.
603         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
604         (FUNCTION_ARG_CALLEE_COPIES): True.
605         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
606         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
607         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
608         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
609         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
610         * config/cris/cris.c (cris_pass_by_reference): New.
611         (TARGET_PASS_BY_REFERENCE): New.
612         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
613         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
614         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
615         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
616         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
617         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
618         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
619         (frv_function_arg_pass_by_reference): Remove.
620         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
621         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
622         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
623         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
624         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
625         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
626         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
627         (ia64_pass_by_reference): Rename from
628         ia64_function_arg_pass_by_reference.
629         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
630         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
631         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
632         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
633         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
634         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
635         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
636         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
637         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
638         (m32r_pass_by_reference): Adjust prototype.  Make static.
639         Handle mode sizes correctly.
640         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
641         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
642         (m68hc11_function_arg_pass_by_reference): Remove.
643         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
644         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
645         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
646         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
647         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
648         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
649         (mips_va_arg): Use pass_by_reference.
650         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
651         Handle mode sizes correctly.
652         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
653         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
654         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
655         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
656         (mmix_pass_by_reference): Rename from
657         mmix_function_arg_pass_by_reference.
658         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
659         (FUNCTION_ARG_CALLEE_COPIES): True.
660         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
661         (mn10300_pass_by_reference): New.
662         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
663         (FUNCTION_ARG_CALLEE_COPIES): True.
664         * config/pa/pa.c (pa_pass_by_reference): New.
665         (TARGET_PASS_BY_REFERENCE): New.
666         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
667         (FUNCTION_ARG_CALLEE_COPIES): True.
668         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
669         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
670         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
671         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
672         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
673         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
674         (s390_pass_by_reference): Rename from
675         s390_function_arg_pass_by_reference.
676         (s390_function_arg_advance): Don't query pass-by-ref.
677         (s390_function_arg): Likewise.
678         (s390_gimplify_va_arg): Use pass_by_reference.
679         (s390_call_saved_register_used): Likewise.
680         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
681         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
682         (shcompact_byref, sh_pass_by_reference): New.
683         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
684         (SHCOMPACT_BYREF): Remove.
685         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
686         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
687         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
688         (sparc_gimplify_va_arg): Use pass_by_reference.
689         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
690         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
691         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
692         (v850_pass_by_reference): New.
693         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
694         (FUNCTION_ARG_CALLEE_COPIES): True.
695         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
696         FUNCTION_ARG_PASS_BY_REFERENCE docs.
697
698 2004-07-14  Richard Henderson  <rth@redhat.com>
699             Richard Sandiford  <rsandifo@redhat.com>
700
701         * config/mips/mips-protos.h (mips_va_arg): Delete.
702         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
703         * config/mips/mips.c: Include tree-gimple.h.
704         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
705         (mips_arg_info): Remove special handling of must_pass_in_stck args.
706         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
707         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
708
709 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
710
711         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
712         arguments for COND_EXPR in big-endian adjustment code.
713
714 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
715
716         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
717         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
718         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
719         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
720
721 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
722
723         PR tree-optimization/16443
724         * tree-ssa-alias.c: Add more description for
725         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
726         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
727         clobbering of call-clobbered and addressable variables.  If
728         there are any before aliases have been computed, add them.
729
730 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
731
732         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
733         verification.
734
735 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
736
737         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
738         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
739         to the same type.
740
741 2004-07-13  Per Bothner  <per@bothner.com>
742
743         * collect2.c (main):  Handle --no-demangle and --demangle flags.
744
745 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
746
747         * Makefile.in (OBJS-common): Add tree-data-ref.o.
748         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
749         (tree-data-ref.o): New rule.
750         * lambda.h: New file.
751         * tree-data-ref.c: New file.
752         * tree-data-ref.h: New file.
753         * tree.c (int_cst_value, tree_fold_gcd): New functions.
754         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
755
756 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
757
758         PR target/13926
759         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
760         * config/sparc/sparc.c (output_ubranch): New function.
761         * config/sparc/sparc.md (jump pattern): Use it.
762
763 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
764
765         PR target/16494
766         * config/sparc/sparc.c (output_cbranch): Properly guard
767         the code handling far branches with TARGET_V9.
768         * config/sparc/sparc.md (length attribute): Document the
769         side-effect of having a length greater or equal to 3.
770
771 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
772             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
773
774         PR target/15186
775         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
776         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
777
778 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
779             Martin Sebor  <sebor@roguewave.com>
780
781         PR target/12602
782         * doc/invoke.texi (SPARC options): Document -threads
783         and -pthreads on Solaris.
784
785 2004-07-13  Richard Henderson  <rth@redhat.com>
786
787         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
788         by reference.
789         (ind_gimplify_va_arg_expr): Remove.
790         * tree.h (ind_gimplify_va_arg_expr): Remove.
791         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
792         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
793         argsp to be null.
794
795         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
796         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
797         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
798         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
799         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
800
801 2004-07-13  Richard Henderson  <rth@redhat.com>
802
803         * function.c (pass_by_reference): New.
804         (assign_parm_find_data_types): Use it.
805         * calls.c (initialize_argument_information): Likewise.
806         (emit_library_call_value_1): Likewise.
807         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
808         * function.h (pass_by_reference): Declare.
809
810 2004-07-13  Richard Henderson  <rth@redhat.com>
811
812         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
813         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
814         * expr.h (MUST_PASS_IN_STACK): Remove.
815         * system.h (MUST_PASS_IN_STACK): Poison.
816         * tree.h (must_pass_in_stack_var_size): Declare.
817         (must_pass_in_stack_var_size_or_pad): Declare.
818         * calls.c (must_pass_in_stack_var_size): New.
819         (must_pass_in_stack_var_size_or_pad): Rename from
820         default_must_pass_in_stack.
821         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
822         (TARGET_MUST_PASS_IN_STACK): New.
823         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
824         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
825         (TARGET_MUST_PASS_IN_STACK): New.
826         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
827         * config/frv/frv.c (frv_must_pass_in_stack): New.
828         (TARGET_MUST_PASS_IN_STACK): New.
829         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
830         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
831         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
832         (ix86_must_pass_in_stack): Make static.
833         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
834         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
835         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
836         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
837         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
838         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
839         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
840         (mcore_must_pass_on_stack): Remove.
841         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
842         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
843         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
844         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
845         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
846         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
847         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
848         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
849         (TARGET_MUST_PASS_IN_STACK): New.
850         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
851         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
852         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
853         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
854         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
855         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
856         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
857         MUST_PASS_IN_STACK.
858
859         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
860         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
861         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
862         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
863         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
864         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
865         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
866         config/xtensa/xtensa.c: Use target hook.
867
868 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
869
870         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
871         * configure: Rebuilt.
872
873 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
874
875         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
876         * config/mips/mips.h (mips_reg_names): Don't declare.
877         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
878         (TARGET_NAME_REGS): Delete.
879         (TARGET_SWITCHES): Remove -mrnames.
880         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
881         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
882         in REGISTER_NAMES.
883         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
884         (override_options): Remove handling of TARGET_NAME_REGS.
885
886 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
887
888         * config/mips/mips.h (TARGET_*): Boolify.
889
890 2004-07-12  Nick Clifton  <nickc@redhat.com>
891
892         * config.gcc: Add sh-*-symbianelf target.
893         * config/sh/sh.c: Add new target macros:
894         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
895         TARGET_CXX_IMPORT_EXPORT_CLASS.
896         (sh_file_start): Create a definition of the .directive section.
897         (sh_attribute): Add dllimport and dllexport attributes.
898         * config/sh/symbian-pre.h: New file.
899         * config/sh/symbian-post.h: New file.
900         * config/sh/symbian.c: New file. Contains Symbian specific
901         functions.
902         * config/sh/sh-protos.h: Add prototypes for new functions
903         provided by symbian.c.
904         * config/sh/t-symbian: New file.
905         * doc/extend.texi: Document support for dllimport and dllexport
906         attributes by the sh-symbianelf target.
907
908 2004-07-12  James E Wilson  <wilson@specifixinc.com>
909
910         * Makefile.in (AR): Use @AR@ not ar.
911         (NM): New.
912         (AR_FOR_TARGET): Use $(AR) not ar for native.
913         (NM_FOR_TARGET): Use $(NM) not nm for native.
914         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
915         * configure: Regenerate.
916
917 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
918
919         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
920         special case.
921         (ashldi3_sp64): Likewise.
922
923 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
924
925         PR target/16477
926         * pa.c (function_arg): Update comment.
927         * pa.h (BLOCK_REG_PADDING): Define.
928
929 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
930
931         PR tree-optimization/16461
932         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
933         arguments of phi nodes.
934
935 2004-07-12  Devang Patel  <dpatel@apple.com>
936
937         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
938
939 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
940
941         * function.c (expand_function_start): Ensure r_save is in Pmode.
942         * calls.c (prepare_call_address): Ensure static_chain_value is
943         in Pmode.
944         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
945         r_save_area are in Pmode.
946         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
947         fnaddr, and static_chain are in Pmode.
948
949 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
950
951         PR target/16445
952         * config/ia64/ia64.c (bundling): Don't count ignored insns.
953
954 2004-07-12  Richard Henderson  <rth@redhat.com>
955
956         * target.h (struct gcc_target): Move gimplify_va_arg_expr
957         next to build_builtin_va_list.
958         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
959         * builtins.c (gimplify_va_arg_expr): Likewise.
960         * gimplify.c (copy_if_shared_r): Likewise.
961
962 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
963
964         * passes.c (rest_of_decl_compilation): Don't defer call of
965         assemble_variable if its DECL_RTL is already set.
966
967 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
968
969         * cfgloop.h (struct loop): Add nb_iterations field.
970         (current_loops): Declare.
971         * tree-chrec.c (chrec_not_analyzed_yet,
972         chrec_dont_know, chrec_known, count_ev_in_wider_type,
973         chrec_contains_symbols_defined_in_loop): Remove the temporary
974         hooks.
975         * tree-flow-inline.h (loop_containing_stmt): New function.
976         * tree-scalar-evolution.c: Add implementation.
977         * tree-scalar-evolution.h: Add declarations.
978
979 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
980
981         PR rtl-optimization/15921
982         * Makefile.in (global.o): Add recog.h.
983
984         * global.c (recog.h): Add the include-clause.
985         (bb_info): New member earlyclobber.
986         (allocate_bb_info, free_bb_info): Initialize/finish the new
987         member.
988         (earlyclobber_regclass, earlyclobber_regclass_length): The new
989         global variables.
990         (check_earlyclobber, regclass_intersect,
991         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
992         New functions.
993         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
994         (make_accurate_live_analysis): Modify pavin.
995
996 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
997
998         * tree-cfg.c (find_taken_edge): Statically compute the truth
999         value of a predicate comparing an SSA_NAME to itself.
1000
1001 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1002
1003         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
1004         rs6000 doesn't have shift-and-add or shift-and-sub instructions
1005         by returning the cost of a multiplication plus an addition.
1006
1007 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
1008
1009         PR tree-optimization/14107
1010         * gimplify.c (gimplify_return_expr): Accept a
1011         RETURN_EXPR with an error argument.
1012         * tree-optimize.c (init_tree_optimization_passes):
1013         Run pass_warn_function_return at -O0.
1014
1015 2004-07-12  Roger Sayle  <roger@eyesopen.com>
1016
1017         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
1018         index entry.
1019
1020 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
1021
1022         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
1023         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
1024         * config/mips/3000.md: Add copyright notice.  Remove automota and
1025         function units; use generic ones instead.  Only define reservations
1026         for things that are different from generic.md.  Extend each clause
1027         to include r3900.
1028         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
1029         * config/mips/mips.md: Include them. Remove define_function_units.
1030         (alu, imuldiv): New automata and units.
1031
1032 2004-07-12  Ben Elliston  <bje@au.ibm.com>
1033
1034         * doc/invoke.texi (Optimize Options): Document -frename-registers
1035         not being enabled by default at -O3.
1036
1037 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1038
1039         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
1040         floating point additions, to keep real immediate constant positive.
1041         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
1042         into X + C, and leave positive real constants as X - C.
1043
1044 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1045
1046         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
1047
1048 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1049
1050         PR tree-optimization/15654
1051         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
1052
1053 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1054
1055         * builtins.c (fold_builtin_fputs): Don't bother converting the
1056         return type to integer_type_node, as we've already checked that
1057         the result will be ignored.
1058
1059         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
1060         that signed addition, subtraction, multiplication, division,
1061         remainder, negation and absolute value may potentially trap.
1062
1063         * fold-const.c (fold_ignored_result): New function to strip
1064         non-side-effecting tree nodes from an expression whose result
1065         is ignored.
1066         (fold_convert): Call fold_ignored_result when casting a value
1067         to VOID_TYPE.
1068         (omit_one_operand):  Call fold_ignored_result on the "omitted"
1069         operand when building a COMPOUND_EXPR.
1070         (pedantic_omit_one_operand): Likewise.
1071         * tree.h (fold_ignored_result): Prototype here.
1072         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
1073         when we're going to ignore the result.
1074
1075 2004-07-11  Richard Henderson  <rth@redhat.com>
1076
1077         PR tree-opt/16383
1078         * tree-ssa-ccp.c (fold_stmt_r): Split out...
1079         * tree.c (fields_compatible_p, find_compatible_field): ... new.
1080         * tree.h (fields_compatible_p, find_compatible_field): Declare.
1081         * tree-sra.c (sra_hash_tree): Hash fields by offset.
1082         (sra_elt_eq): Use fields_compatible_p.
1083         (generate_one_element_ref): Use find_compatible_field.
1084
1085 2004-07-11  Richard Henderson  <rth@redhat.com>
1086
1087         PR tree-opt/16422
1088         * tree-sra.c (generate_one_element_init): New.
1089         (generate_element_init): Use it.
1090         (scalarize_init): Push/pop gimplify context around it.
1091         (find_new_referenced_vars_1, find_new_referenced_vars): New.
1092         * gimplify.c (gimplify_expr): Allow SSA_NAME.
1093
1094 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1095
1096         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
1097         combine.c's combine_insn_cost.
1098         * rtl.h (insn_rtx_cost): Prototype here.
1099         * combine.c (combine_insn_cost): Delete function.
1100         (combine_validate_cost): Update callers of combine_insn_cost to
1101         call insn_rtx_cost instead.
1102         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
1103         requesting the rtx_cost of call and/or jump instructions.
1104
1105         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
1106         rtx_cost directly.  Don't request/use the cost of call or jump
1107         instructions.  Return -1 if the cost of any instruction can't be
1108         determined (or the BB contains a function call).
1109         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
1110         -1 (i.e. can't determine the cost of any instruction or the basic
1111         block contains a subroutine call).
1112         (find_if_case_2): Likewise.
1113
1114 2004-07-11  Roger Sayle  <roger@eyesopen.com>
1115
1116         * rs6000.c (struct processor_costs): Change semantics of fields to
1117         include the COST_N_INSNS scaling, and update all initializers.
1118         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
1119         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
1120         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
1121         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
1122
1123 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1124
1125         * LANGUAGES: Remove obsolete information.
1126
1127 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1128
1129         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
1130         SIGBUS signal frames, the PSW address points *to* the faulting
1131         instruction, not after it.
1132
1133 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
1134
1135         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
1136         added to TLS symbol addresses.
1137
1138 2004-07-11  Richard Henderson  <rth@redhat.com>
1139
1140         * expmed.c (init_expmed): Use stack-local structures for
1141         temporary rtl.  Don't recognize shifts.
1142
1143 2004-07-11  Richard Henderson  <rth@redhat.com>
1144
1145         * expr.c (store_expr): Don't fiddle subreg promotion for types
1146         with precision smaller than the mode.
1147
1148 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1149
1150         * tree.h (all_types_permanent): Remove.
1151
1152 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1153
1154         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
1155         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
1156         * langhooks.c (lhd_clear_binding_stack): Remove.
1157         * langhooks-def.h (lhd_clear_binding_stack,
1158         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1159         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
1160         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
1161         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1162         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
1163         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
1164         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
1165         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
1166         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
1167         * tree.h (poplevel): Don't declare.
1168         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
1169         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
1170         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
1171         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
1172         Remove.
1173
1174 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1175
1176         PR tree-optimization/16437
1177         * c-common.c (shorten_compare): Don't mark result of conversion to
1178         narrower signed type as overflowing.
1179         * fold-const.c (decode_field_reference): Determine whether
1180         signedness comes from outer type using precision rather than size.
1181
1182 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1183
1184         * configure.ac:  Alphabetize --enable-checking list, add
1185         missing valgrind entry.
1186         * configure:  Regenerate.
1187
1188 2004-07-11  Phil Edwards  <phil@codesourcery.com>
1189
1190         * doc/install.texi (Testing):  Fix syntax in "make check" example.
1191
1192 2004-07-10  James E Wilson  <wilson@specifixinc.com>
1193
1194         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
1195
1196 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1197
1198         PR rtl-optimization/16001
1199         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
1200         niter_expr.
1201
1202 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
1203
1204         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
1205
1206 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
1207             James Morrison  <phython@gcc.gnu.org>
1208
1209         * doc/contrib.texi (Contributors): Add gfortran contributors and
1210         fix a couple of typos.
1211
1212 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1213
1214         PR rtl-optimization/15387
1215         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
1216         to incoming args space correctly.
1217
1218 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1219
1220         * pa.c (output_indirect_call): Only use %r2 as the link register in
1221         indirect calls with the long PA 2.0 pc-relative branch.
1222
1223 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
1224
1225         * config/i386/i386.c (override_options): Pick a 64-bit CPU
1226         for the default tuning if TARGET_64BIT.
1227
1228 2004-07-10  Richard Henderson  <rth@redhat.com>
1229
1230         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
1231         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
1232
1233 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
1234
1235         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
1236         * expmed.c (store_bit_field, extract_bit_field): Remove last
1237         argument.
1238         * builtins.c (expand_builtin_signbit): Adjust callers.
1239         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
1240         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
1241         * ifcvt.c (noce_emit_move_insn): Likewise.
1242         * stmt.c (expand_return): Likewise.
1243         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
1244         store_field, expand_expr_real_1): Likewise.
1245
1246 2004-07-10  Richard Henderson  <rth@redhat.com>
1247
1248         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
1249
1250 2004-07-09  Mike Stump  <mrs@apple.com>
1251
1252         * config/darwin.c (no_dead_strip): Add.
1253         (HAVE_DEAD_STRIP): Add.
1254         (darwin_emit_unwind_label): Ensure that we don't dead code strip
1255         the .eh label.
1256
1257 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1258
1259         * tree-ssa-loop-im.c: New file.
1260         * Makefile.in (tree-ssa-loop-im.o): Add.
1261         * cfgloop.c (superloop_at_depth): New function.
1262         * cfgloop.h (superloop_at_depth): Declare.
1263         * common.opt (ftree-lim): New flag.
1264         * expr.c (array_ref_up_bound): New function.
1265         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
1266         * timevar.def (TV_LIM): New timevar.
1267         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
1268         computing immediate uses of a phi node.
1269         * tree-flow.h (struct tree_ann_common_d): Add aux field.
1270         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
1271         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
1272         * tree-pass.h (pass_lim): Declare.
1273         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
1274         functions.
1275         (pass_lim): New pass structure.
1276         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
1277         * tree.c (in_array_bounds_p): New function.
1278         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
1279         (in_array_bounds_p, array_ref_up_bound): Declare.
1280         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
1281         * doc/passes.texi (tree-ssa-loop-im.c): Document.
1282
1283 2004-07-09  Richard Henderson  <rth@redhat.com>
1284
1285         * builtins.c (expand_builtin_stpcpy): Don't modify len.
1286
1287         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
1288         with prejudice.
1289
1290 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
1291
1292         * flags.h: Delete redundant prototypes that are being generated
1293         in options.h from common.opt.
1294         * common.opt: Add in the expository comments formerly in flags.h.
1295
1296 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1297
1298         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
1299         available for use only when TARGET_MMX/_SSE is set, and check for
1300         variable argument function if any register count is non-zero.
1301         (function_arg): Correctly suppress repeated warnings for passing SSE
1302         vectors are arguments without SSE enabled.
1303         (ix86_function_arg_boundary): Without SSE enabled, the use of what
1304         would be SSE register modes does no longer influence the alignment.
1305
1306 2004-07-09  Richard Henderson  <rth@redhat.com>
1307
1308         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
1309         Always align upward to arg boundary.  Use size_in_bytes/round_up.
1310         Maintain type-correctness of constants.
1311         * stor-layout.c (round_up, round_down): Special-case powers of 2.
1312
1313 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1314
1315         * config/sparc/sparc.c (*_costs): Scale instruction costs
1316         by COSTS_N_INSNS.
1317         (sparc_rtx_costs): Adjust as appropriate.
1318
1319 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1320
1321         * config/i386/mm3dnow.h: New.
1322         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
1323
1324 2004-07-09  Richard Henderson  <rth@redhat.com>
1325
1326         * simplify-rtx.c (simplify_const_relational_operation): Only
1327         look at bounds of scalar integers.
1328
1329 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1330
1331         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
1332
1333 2004-07-09  Andrew Pinski  <apinski@apple.com>
1334
1335         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
1336         always referenced.
1337         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
1338         UOBJC_METACLASS_decl.
1339
1340 2004-07-09  James E Wilson  <wilson@specifixinc.com>
1341
1342         PR target/16364
1343         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
1344         do return a parallel if hfa_mode == XFmode and mode == TImode.
1345
1346 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1347
1348         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
1349         permissible for unary plus.
1350
1351 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1352
1353         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
1354         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
1355         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
1356         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
1357         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
1358         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
1359         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
1360         (BUILTIN_xxxIMAX): New.
1361         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
1362         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
1363         BUILT_IN_PARITYIMAX.
1364
1365 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
1366
1367         * config/sparc/sparc.h (processor_costs): Define.
1368         (sparc_costs): Declare.
1369         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
1370         hypersparc_costs, sparclet_costs, ultrasparc_costs,
1371         ultrasparc3_costs): New.
1372         (sparc_override_options): Set sparc_costs as appropriate.
1373         (sparc_rtx_costs): Use sparc_costs instead of messy
1374         conditionals.
1375
1376 2004-07-09  Steven Bosscher  <stevenb@suse.de>
1377
1378         * doc/md.texi (Processor pipeline description): Mention that
1379         the old pipeline description is deprecated.
1380
1381         * config/rs6000/7450.md (automaton ppc7450): Split up, move
1382         mciu_7450 function unit to...
1383         (automaton ppc7450mciu): ...new automaton.
1384
1385         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
1386         (schedule_block): Don't consider inserting bubbles.
1387         (sched_init): Don't initialize DFA bubbles.
1388         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
1389         TARGET_SCHED_DFA_BUBBLE): Remove.
1390         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
1391         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
1392         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
1393
1394         * stmt.c (conditional_context): Remove prototype.
1395         * tree.h (conditional_context): Remove.
1396         * tree-cfg.c (pre_insert_on_edge): Remove.
1397
1398         * c-common.h (c_expand_asm_operands): Remove prototype.
1399         * c-typeck.c (c_expand_asm_operands): Remove.
1400
1401 2004-07-09  Jan Beulich  <jbeulich@novell.com>
1402
1403         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
1404         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
1405         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
1406         and V8QI are class SSE. All sufficiently small remaining vector modes
1407         must be passed in one or two integer registers.
1408         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
1409         returned in memory.
1410         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
1411         __builtin_ia32_pmuludq128 have non-uniform argument and return types
1412         and must thus be handled explicitly.
1413         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
1414         MMX and XMM regs.
1415         (movv8qi_internal, movv4hi_internal, movv2si_internal,
1416         movv2sf_internal): Permit moving between MMX and XMM registers (since
1417         MMX areguments and return values are passed in XMM registers).
1418         (sse2_umulsidi3): Correct type and mode.
1419
1420 2004-07-09  Richard Henderson  <rth@redhat.com>
1421
1422         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
1423
1424 2004-07-09  Eric Christopher  <echristo@redhat.com>
1425
1426         * config/rs6000/40x.md: Split into two automatons.
1427
1428 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1429             Andrew Pinski  <apinski@apple.com>
1430
1431         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
1432         on when we have more than one input file.
1433         (c_common_parse_file): Restore loop over all input files.
1434         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
1435
1436         * c-decl.c (set_type_context): New function.
1437         (pop_scope): Use it to set context of types.  When we
1438         encounter a TYPE_DECL, set the context of the attached type too.
1439         (pop_file_scope): Don't call cpp_undef_all here.
1440         (diagnose_mismatched_decls): Do not complain about a second
1441         definition of an 'extern inline' function if it's not in the
1442         same translation unit.  Do not complain about inline
1443         declaration after use if the use was in a different
1444         translation unit.
1445         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
1446         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
1447         the external scope.
1448         (pushdecl_top_level): Likewise.
1449         (grokdeclarator): Clarify what is going on with setting
1450         DECL_EXTERNAL on function types, a little.
1451         (c_write_global_declarations): Don't do anything if
1452         -fsyntax-only or errors have been encountered.
1453
1454 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
1455
1456         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
1457
1458 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1459
1460         PR target/16459
1461         * pa.c (output_indirect_call): Use %r2 as the link register when
1462         calling $$dyncall with a pc-relative branch.
1463
1464 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
1465
1466         * doc/install.texi (Binaries): Mention OpenPKG.
1467
1468 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
1469
1470         Fix PR tree-optimization/15555
1471         * tree-dfa.c (dump_variable): If the variable is a pointer
1472         SSA_NAME, also dump its points-to information.
1473         * tree-flow.h (struct ptr_info_def): Add field
1474         is_dereferenced.
1475         (dump_points_to_info_for): Declare.
1476         (debug_points_to_info_for): Declare.
1477         * tree-optimize.c (init_tree_optimization_passes): Add a
1478         second alias analysis pass after DOM2.
1479         Move pass_del_pta to a later spot.
1480         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
1481         create a name tags when we find a dereferenced pointer.  Just
1482         mark the pointer dereferenced.
1483         (collect_points_to_info_for): Move code to clear points-to
1484         information to create_name_tags.
1485         (create_name_tags): New function.
1486         (compute_flow_sensitive_aliasing): Call it.
1487         (setup_pointers_and_addressables): Mark type tags for renaming
1488         here instead of ...
1489         (create_memory_tag): ... here.
1490         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
1491         (dump_points_to_info_for): Declare extern.
1492         (debug_points_to_info_for): New function.
1493
1494 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
1495
1496         * config/arc/arc.md: Switch to DFA-based scheduler description.
1497         * config/arc/arc.c: Switch to DFA-based scheduler description.
1498
1499 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1500
1501         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
1502         pointer.
1503
1504 2004-07-09  Richard Henderson  <rth@redhat.com>
1505
1506         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
1507         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1508         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
1509         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1510
1511         * config/v850/v850-protos.h (v850_va_arg): Remove.
1512         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1513         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
1514         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
1515         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
1516         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
1517
1518 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1519
1520         PR target/12133
1521         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
1522         and DImode to use +/-4k offset.
1523
1524 2004-07-09  Richard Henderson  <rth@redhat.com>
1525
1526         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
1527         Remove.
1528         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1529         (xstormy16_gimplify_va_arg_expr): Rewrite from
1530         xstormy16_expand_builtin_va_arg.
1531         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
1532
1533         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
1534         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
1535
1536         * config/sh/sh-protos.h (sh_va_arg): Remove.
1537         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1538         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
1539         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
1540
1541         * config/pa/pa-protos.h (hppa_va_arg): Remove.
1542         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1543         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
1544         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
1545
1546         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
1547         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1548         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
1549         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
1550
1551 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1552
1553         * config/sparc/sparc.md (return): Rewrite length formula.
1554         * config/sparc/sparc.c (output_return): Pass 1 as 5th
1555         argument to final_scan_insn when in a delay slot.
1556         (output_sibcall): Likewise.
1557
1558 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
1559
1560         * arm.c (arm_cpp_interwork): New variable.
1561         (arm_override_options): Set it if TARGET_INTERWORK was on the command
1562         line.
1563         * arm.h (arm_cpp_interwork): Declare it.
1564         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
1565         __THUMB_INTERWORK__ in the preprocessor.
1566
1567 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
1568
1569         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
1570
1571 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
1572
1573         PR target/16416
1574         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
1575         Override default settings to account for -m32 and -m64.
1576
1577 2004-07-08  Randolph Chung  <tausq@debian.org>
1578
1579         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
1580
1581 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
1582
1583         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
1584         before comparing it as such.
1585
1586 2004-07-08  Richard Henderson  <rth@redhat.com>
1587
1588         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
1589         temporary.  Use bit arithmetic to align.
1590
1591 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
1592
1593         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
1594         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
1595         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
1596         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
1597         add_labels_and_missing_jumps, find_jump_block,
1598         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
1599         Likewise.
1600         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
1601         link_btr_uses, move_btr_def): Likewise.
1602         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
1603         expand_builtin_expect_jump): Likewise.
1604         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
1605         * calls.c (expand_call, emit_library_call_value_1): Likewise.
1606         * cfganal.c (forwarder_block_p): Likewise.
1607         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
1608         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
1609         find_bb_boundaries): Likewise.
1610         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1611         merge_blocks_move_predecessor_nojumps,
1612         merge_blocks_move_successor_nojumps, insns_match_p,
1613         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1614         try_optimize_cfg): Likewise.
1615         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
1616         * cfglayout.c (skip_insns_after_block, label_for_bb,
1617         record_effective_endpoints, insn_locators_initialize,
1618         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
1619         * cfgmainloop.c (create_loop_notes): Likewise.
1620         * cfgrtl.c (delete_insn, delete_insn_chain,
1621         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
1622         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
1623         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
1624         redirect_branch_edge, force_nonfallthru_and_redirect,
1625         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
1626         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
1627         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
1628         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
1629         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
1630         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
1631         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
1632         * combine.c (combine_instructions, can_combine_p, try_combine,
1633         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
1634         distribute_notes, distribute_links, insn_cuid): Likewise.
1635         * cse.c (fold_rtx, cse_insn, cse_around_loop,
1636         invalidate_skipped_block, cse_set_around_loop,
1637         cse_end_of_basic_block, cse_main, cse_basic_block,
1638         cse_condition_code_reg): Likewise.
1639         * cselib.c (cselib_process_insn): Likewise.
1640         * ddg.c (create_ddg): Likewise.
1641         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
1642         Likewise.
1643         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
1644         gen_label_die, dwarf2out_var_location): Likewise.
1645         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
1646         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
1647         last_call_insn, active_insn_p, next_label, prev_label,
1648         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
1649         add_insn_before, remove_insn, add_function_usage_to,
1650         reorder_insns, find_line_note, remove_unnecessary_notes,
1651         emit_insn_after_1, classify_insn): Likewise.
1652         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
1653         connect_post_landing_pads, sjlj_mark_call_sites,
1654         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
1655         can_throw_internal, can_throw_external, set_nothrow_function_flags,
1656         convert_to_eh_region_ranges): Likewise.
1657         * explow.c (optimize_save_area_alloca): Likewise.
1658         * expr.c (expand_expr_real): Likewise.
1659         * final.c (insn_current_reference_address, compute_alignments,
1660         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
1661         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
1662         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
1663         propagate_block_delete_insn, propagate_one_insn,
1664         init_propagate_block_info, propagate_block, libcall_dead_p,
1665         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
1666         Likewise.
1667         * function.c (instantiate_virtual_regs, reorder_blocks_1,
1668         expand_function_start, expand_function_end, contains,
1669         thread_prologue_and_epilogue_insns,
1670         reposition_prologue_and_epilogue_notes): Likewise.
1671         * gcse.c (constprop_register, bypass_conditional_jumps,
1672         insert_insn_end_bb, gcse_after_reload): Likewise.
1673         * genemit.c (gen_expand, gen_split): Likewise.
1674         * genpeep.c (gen_peephole, main): Likewise.
1675         * global.c (build_insn_chain): Likewise.
1676         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
1677         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
1678         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
1679         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
1680         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
1681         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
1682         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
1683         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
1684         dead_or_predicable): Likewise.
1685         * integrate.c (try_constants): Likewise.
1686         * jump.c (rebuild_jump_labels, cleanup_barriers,
1687         purge_line_number_notes, init_label_info, mark_all_labels,
1688         squeeze_notes, get_label_before, get_label_after,
1689         reversed_comparison_code_parts, simplejump_p, pc_set,
1690         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
1691         delete_barrier, delete_prior_computation, delete_computation,
1692         delete_related_insns, delete_for_peephole, redirect_jump):
1693         Likewise.
1694         * lcm.c (optimize_mode_switching): Likewise.
1695         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
1696         Likewise.
1697         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
1698         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
1699         * loop-iv.c (simplify_using_assignment): Likewise.
1700         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
1701         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
1702         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
1703         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
1704         check_insn_for_givs, check_final_value, update_giv_derive,
1705         basic_induction_var, product_cheap_p, check_dbra_loop,
1706         loop_insn_first_p, last_use_this_basic_block,
1707         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
1708         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
1709         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
1710         sms_schedule_by_order): Likewise.
1711         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
1712         * postreload.c (reload_cse_simplify_operands, reload_combine,
1713         reload_cse_move2add): Likewise.
1714         * predict.c (can_predict_insn_p, estimate_probability,
1715         expected_value_to_br_prob, process_note_predictions): Likewise.
1716         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
1717         * profile.c (branch_prob): Likewise.
1718         * ra-build.c (live_out_1, livethrough_conflicts_bb,
1719         detect_webs_set_in_cond_jump): Likewise.
1720         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
1721         ra_print_rtl_with_bb): Likewise.
1722         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
1723         * recog.c (next_insn_tests_no_inequality, find_single_use,
1724         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
1725         * reg-stack.c (next_flags_user, record_label_references,
1726         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
1727         compensate_edge, convert_regs_1): Likewise.
1728         * regclass.c (scan_one_insn): Likewise.
1729         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1730         regmove_optimize, fixup_match_1, single_set_for_csa,
1731         combine_stack_adjustments_for_block): Likewise.
1732         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
1733         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
1734         find_equiv_reg): Likewise.
1735         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
1736         reload_as_needed, emit_input_reload_insns, do_output_reload,
1737         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
1738         Likewise.
1739         * reorg.c (find_end_label, emit_delay_sequence,
1740         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
1741         get_jump_flags, rare_destination, mostly_true_jump,
1742         try_merge_delay_insns, redundant_insn, own_thread_p,
1743         fill_simple_delay_slots, fill_slots_from_thread,
1744         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
1745         dbr_schedule): Likewise.
1746         * resource.c (find_basic_block, next_insn_no_annul,
1747         find_dead_or_set_registers, mark_target_live_regs): Likewise.
1748         * rtl.h (RTX_PREV): Likewise.
1749         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
1750         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
1751         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
1752         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
1753         tablejump_p, computed_jump_p, insns_safe_to_move_p,
1754         find_first_parameter_load, can_hoist_insn_p): Likewise.
1755         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
1756         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
1757         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
1758         schedule_ebbs): Likewise.
1759         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
1760         is_conditionally_protected, can_schedule_ready_p,
1761         add_branch_dependences, debug_dependencies): Likewise.
1762         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
1763         Likewise.
1764         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
1765         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
1766         set_dominates_use, ujump_to_loop_cont): Likewise.
1767         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
1768         * varasm.c (output_constant_pool_1): Likewise.
1769
1770 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1771
1772         * tree-scalar-evolution.c: New file.
1773         * tree-scalar-evolution.h: New file.
1774         * tree-ssa-loop-niter.c: New file.
1775         * Makefile.in (SCEV_H): New.
1776         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
1777         * cfgloop.h (struct loop): Add bounds field.
1778         * tree-flow.h (struct tree_niter_desc): New type.
1779         (number_of_iterations_cond, number_of_iterations_exit,
1780         loop_niter_by_eval, find_loop_niter_by_eval,
1781         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
1782         free_numbers_of_iterations_estimates): Declare.
1783         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
1784         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
1785         * doc/invoke.texi (max-iterations-to-track): Document.
1786
1787 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
1788
1789         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
1790         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
1791         (MODE_AFTER): Add cast appropriately.
1792         * config/sh/sh.md (movdi splitter): Likewise.
1793         (casesi_worker_2): Add const qualifier appropriately.
1794         (eh_return): Remove unused variable.
1795         (insv): Initialize v;
1796
1797 2004-07-08  Richard Henderson  <rth@redhat.com>
1798
1799         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
1800         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1801         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
1802         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
1803         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
1804
1805         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
1806         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1807         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
1808         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
1809
1810         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
1811         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1812         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
1813         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
1814
1815         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
1816         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1817         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
1818         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
1819
1820         * config/i860/i860-protos.h (i860_va_arg): Remove.
1821         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1822         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
1823         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
1824
1825 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
1826
1827         * system.h: Prototype getpagesize if missing.
1828         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
1829         * configure: Regenerate.
1830         * config.in: Regenerate.
1831
1832 2004-07-08  Richard Henderson  <rth@redhat.com>
1833
1834         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
1835         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1836         (fr30_gimplify_va_arg_expr): New.
1837         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
1838         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
1839
1840 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
1841
1842         PR target/16414
1843         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
1844         of asm_noperands result.
1845
1846 2004-07-08  Richard Henderson  <rth@redhat.com>
1847
1848         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
1849         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1850         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
1851         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
1852
1853 2004-07-08  Richard Henderson  <rth@redhat.com>
1854
1855         * builtins.c (ind_gimplify_va_arg_expr): New.
1856         * tree.h (ind_gimplify_va_arg_expr): Declare.
1857         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
1858
1859 2004-07-08  Jan Beulich  <jbeulich@novell.com>
1860
1861         * expmed.c (extract_bit_field): Correct condition to use vec_extract
1862         patterns also on vector elements other than the first one.
1863         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
1864         break statements.
1865
1866 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
1867
1868         * config/rs6000/darwin-ldouble.c: Correct reference
1869         to the Linnainmaa paper.
1870
1871 2004-07-08  Richard Henderson  <rth@redhat.com>
1872
1873         * config/arc/arc-protos.h (arc_va_arg): Remove.
1874         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1875         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
1876         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
1877
1878         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
1879         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
1880         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
1881         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
1882
1883 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1884
1885         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
1886
1887 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1888
1889         * c-decl.c (static_ctors, static_dtors): Make static.
1890         (pop_file_scope): Call c_common_write_pch and
1891         cgraph_finalize_compilation_unit here.
1892         (build_cdtor): Moved here from c-objc-common.c; simplify.
1893         (c_write_global_declarations_1): Clarify comment.
1894         (c_write_global_declarations): Close the external scope before
1895         doing anything else.  Call build_cdtor, cgraph_optimize, and
1896         mudflap_finish_file here.
1897         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
1898         Clarify comment.
1899         * c-objc-common.c: No need to include cgraph.h.
1900         (build_cdtor): Moved to c-decl.c.
1901         (c_objc_common_finish_file): Delete.
1902         * c-tree.h: Update to match.
1903         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
1904         (generate_static_references): Set TREE_USED before calling finish_decl.
1905         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
1906         on the static_instances_decl.
1907
1908 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
1909
1910         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
1911         decls when there is only one input translation unit.
1912         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
1913         change of 2004-07-05; do not treat declarations with
1914         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
1915         * opts.c (cur_in_fname): Delete.
1916         * opts.h: Likewise.
1917         * tree.c: Revert changes of 2004-07-05; no special treatment
1918         for TRANSLATION_UNIT_DECLs.
1919         * Makefile.in (tree.o): Update dependencies.
1920
1921 2004-07-08  Roger Sayle  <roger@eyesopen.com>
1922
1923         * builtins.c (fold_builtin_strcpy): Merge functionality from
1924         simplify_builtin_strcpy.  Add additional len argument.  No longer
1925         static.  Remove function prototype.
1926         (fold_builtin_strncpy): Likewise integrate functionality from
1927         simplify_builtin_strncpy.  Add additional slen argument.  No
1928         longer static.  Remove function prototype.
1929         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
1930         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
1931         types of "ignore" and "unlocked" parameters to bool.
1932         (fold_builtin_1):  Add additional ignore argument.  Call renamed
1933         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
1934         builtins.  Update arguments to fold_builtin_strncpy and
1935         fold_builtin_strcpy.  Add function prototype.
1936         (fold_builtin): Add additional Boolean ignore argument to pass
1937         to fold_builtin_1.
1938         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
1939         and fold_builtin_strncpy instead of simplify_builtin_fputs,
1940         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
1941
1942         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
1943         simplify_builtin_strncpy): Delete function prototypes.
1944         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
1945         fold_builtin_strncpy): Add function prototypes here.
1946         (fold_builtin): Update function prototype with new "bool ignore".
1947
1948         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
1949         (ccp_fold_builtin):  Update call to fold_builtin.  Call
1950         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
1951         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
1952         simplify_builtin_strncpy respectively.
1953         * fold-const.c (fold): Update call to fold_builtin.
1954
1955 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
1956
1957         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
1958         to strcpy.
1959
1960         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
1961         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
1962         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
1963         * calls.c: Remove ifdefs of macros above.
1964         * functions.c: Likewise.
1965         * expr.c: Likewise.
1966
1967 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
1968
1969         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
1970         (arch attribute): Delete.
1971         (current_function_calls_alloca attribute): Rename into calls_alloca.
1972         (calls_eh_return): New attribute.
1973         (leaf_function): Likewise.
1974         (length attribute): Fix formula for sibcalls.
1975         (return insn): Correctly compute the 'length' attribute.
1976         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
1977
1978 2004-07-08  Richard Henderson  <rth@redhat.com>
1979
1980         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
1981         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
1982         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
1983         * tree-eh.c (lower_eh_constructs_1): Likewise.
1984         * tree-sra.c (sra_walk_modify_expr): Likewise.
1985         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
1986         (eliminate_unnecessary_stmts): Likewise.
1987         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1988         * tree-tailcall.c (optimize_tail_call): Likewise.
1989         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
1990
1991 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
1992             Jakub Jelinek  <jakub@redhat.com>
1993
1994         * config/i386/i386.c (override_options): Enable
1995         SSE prefetches with -mtune, as long as we are
1996         compiling for i686 or higher.  All i686 processors
1997         accept SSE prefetches as NOPS, some i586's don't.
1998
1999 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2000
2001         PR target/10567
2002         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
2003
2004 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2005
2006         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
2007         the handling of clobbering ASM_EXPRs.
2008
2009 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2010
2011         PR target/16430
2012         * config/sparc/sparc.c (function_value): In 64-bit mode,
2013         return the aggregates larger than 16 bytes like unions.
2014
2015 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2016
2017         PR target/16199
2018         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
2019         'temp' is zero, generate new pseudos as needed and emit the
2020         sequence of insns in single-assignment form.  Resync comments
2021         with code.
2022         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
2023         function before reload.
2024
2025 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
2026
2027         * vec.c (vec_assert_fail): Remove duplicate 'function'.
2028
2029         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
2030
2031         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
2032         Allocation is signed.
2033         (VEC_reserve): Return flag, allocation is signed.
2034
2035 2004-07-08  Richard Henderson  <rth@redhat.com>
2036
2037         * tree-ssa-ccp.c (fold_stmt): Get type directly from
2038         OBJ_TYPE_REF_OBJECT.
2039
2040 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2041             Neil Booth  <neil@daikokuya.co.uk>
2042
2043         PR c/2511
2044         PR c/3325
2045         * c-decl.c (finish_struct): Ensure bit-fields are given the
2046         correct type.
2047         * c-common.c (c_common_signed_or_unsigned_type): For C, require
2048         the precision to match as well as the mode.
2049         * expr.c (reduce_to_bit_field_precision): New function.
2050         (expand_expr_real_1): Reduce expressions of bit-field type to
2051         proper precision.
2052         * langhooks.h (reduce_bit_field_operations): New hook.
2053         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2054         Define.
2055         * c-lang.c, objc/objc-lang.c
2056         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
2057         * objc/objc-act.c (check_ivars): Convert types to bit-field types
2058         before checking.
2059         * tree.c (build_nonstandard_integer_type): New function.
2060         * tree.h (build_nonstandard_integer_type): New prototype.
2061         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
2062         conversions between integer and boolean types as useless.
2063
2064 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2065
2066         * c-common.c (c_common_nodes_and_builtins): Do not
2067         create __builtin_ptrdiff_t and __builtin_size_t.
2068
2069 2004-07-08  Andrew Pinski  <apinski@apple.com>
2070
2071         * Makefile.in (libbackend.o): Add -combine to the gcc
2072         command line.
2073
2074 2004-07-08  Nick Clifton  <nickc@redhat.com>
2075
2076         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
2077         Set to -Os.
2078
2079 2004-07-08  Richard Henderson  <rth@redhat.com>
2080
2081         * except.c (expand_eh_region_start, expand_eh_region_end,
2082         expand_eh_handler, expand_eh_region_end_cleanup,
2083         expand_start_all_catch, expand_start_catch, expand_end_catch,
2084         expand_end_all_catch, expand_eh_region_end_allowed,
2085         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
2086         expand_eh_region_end_fixup): Remove.
2087         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
2088         cleanups, outer_cleanups, label_chain, exception_region.
2089         (struct goto_fixup): Remove stack_level, cleanup_list_list.
2090         (struct label_chain): Remove.
2091         (struct stmt_status): Remove x_stack_block_stack.
2092         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
2093         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
2094         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
2095         end_cleanup_deferral, last_cleanup_this_contour,
2096         containing_blocks_have_cleanups_or_stack_level,
2097         any_pending_cleanups): Remove.
2098         (expand_null_return_1): Take no arguments.
2099         (expand_label, expand_naked_return, expand_return,
2100         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
2101         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
2102         expand_end_case_type): Don't use any of them.
2103         * calls.c (expand_call): Likewise.
2104         * dojump.c (do_jump): Likewise.
2105         * function.c (expand_function_end): Likewise.
2106         * expr.c (store_expr, expand_expr_real_1): Likewise.
2107         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
2108         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
2109         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
2110         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
2111         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
2112         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
2113         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
2114         for WITH_CLEANUP_EXPR.
2115         (gimple_push_cleanup): Likewise.
2116         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
2117         * print-tree.c (print_node): Likewise.
2118         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
2119         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
2120         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
2121         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
2122         (GOTO_SUBROUTINE_EXPR): Remove.
2123         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
2124         (DECL_TOO_LATE): Remove.
2125         * except.h, tree.h: Update decls.
2126
2127 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
2128
2129         * explow.c (optimize_save_area_alloca): Do not accept parameters.
2130         * passes.c (rest_of_handle_final): Handle symout.
2131         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
2132         Push timevar here.
2133         (rest_of_handle_sched): Break out SMS.  Remove ifs for
2134         flag_schedule_insns and flag_modulo_sched.
2135         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
2136         collect at the end.
2137         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
2138         (rest_of_handle_partition_blocks, rest_of_handle_sms,
2139         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
2140         rest_of_handle_mode_switching, rest_of_handle_jump,
2141         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
2142         rest_of_handle_jump2, rest_of_handle_postreload,
2143         rest_of_handle_flow2, rest_of_clean_state,
2144         rest_of_handle_shorten_branches,
2145         rest_of_handle_prologue_epilogue,
2146         rest_of_handle_branch_target_load_optimize): New.
2147         (rest_of_compilation): Call the above.  Remove ggc_collect
2148         calls moved to rest_of_handle_*.
2149         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
2150
2151         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
2152         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
2153         * except.h (set_nothrow_function_flags): Update comment.
2154         * function.c (current_function_nothrow): Remove.
2155         * output.h (current_function_nothrow): Remove.
2156         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
2157         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
2158
2159 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2160
2161         PR bootstrap/16326
2162         * reorg.c: Revert 2004-06-30 change.
2163         (find_end_label): If HAVE_epilogue and !HAVE_return,
2164         return 0 instead of creating a label at the end of the insn chain.
2165         (optimize_skip): Account for the failure mode of find_end_label.
2166         (fill_simple_delay_slots): Likewise.
2167         (fill_slots_from_thread): Likewise.
2168         (relax_delay_slots): Likewise.
2169
2170 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
2171
2172         * tree-flow.h (addressable_vars): Declare.
2173         * tree-ssa-alias.c (addressable_vars): Define.
2174         (setup_pointers_and_addressables): Add addressable variables
2175         to addressable_vars.
2176         * tree-ssa-operands.c (get_stmt_operands): Move
2177         handling of ASM_EXPRs ...
2178         (get_asm_expr_operands): ... here.
2179         When the ASM_EXPR clobbers memory, also clobber addressable
2180         variables.
2181         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
2182         (delete_tree_ssa): Reset addressable_vars.
2183
2184 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2185             Richard Henderson  <rth@redhat.com>
2186
2187         * varasm.c (assemble_variable): Use assemble_zeros for
2188         zero-initialized variables.
2189         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
2190         for SECCAT_BSS and SECCAT_TBSS.
2191
2192 2004-07-07  Jan Beulich  <jbeulich@novell.com>
2193
2194         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
2195
2196         * expmed.c (emit_store_flag): Also special-case double-word
2197         (in-)equality comparison against -1.
2198
2199         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
2200         passing arguments the containers for which are registers.
2201
2202         * calls.c (emit_library_call_value_1): Use mode of function parameter
2203         rather than that of argument since constants have none.
2204
2205 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
2206
2207         Introduce H8SX support.
2208         * expr.c (expand_strcpy): Renamed and moved to...
2209         * builtins.c (expand_movstr): ... here.  Tweak.
2210         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
2211         computed or has side effects.
2212         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
2213         unused, or if mempcpy fails.  Adjust the return value in the
2214         latter case.  Use movstr if everything else fails.
2215         * doc/md.texi (movstr): Document.
2216         (movmemM, clrmemM): Fix explanation of memory block operands.
2217         * config/h8300/h8300.md (stpcpy): Renamed to...
2218         (movstr): ... this.  Adjust.
2219         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2220         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
2221         movmem* and clrstr* to clrmem*.
2222         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
2223         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
2224         GENERAL_REGS, always.
2225         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
2226         getting the stack pointer as addr.
2227         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
2228         from general_operand_dst.
2229         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
2230         variant of...
2231         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
2232         instead of requiring it to match only before reload.
2233         (stpcpy_internal_normal): New, normal-mode variant of...
2234         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
2235         `D' instead of requiring it to match only before reload.
2236         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
2237         mode argument.
2238         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
2239         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
2240         h8300_get_index.
2241         * config/h8300/h8300.md (attr type): Add call.
2242         (attr can_delay): If type is call, set it no.
2243         (call, call_value): Set type to call.
2244         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
2245         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
2246         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
2247         * tree.c (get_narrower): Don't narrow integral types into
2248         non-integral types.
2249         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
2250         frame_size *before* the first use.
2251         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
2252         on input.
2253         (peephole2): Don't widen instructions that push SP.  Move
2254         decrement of SP to the end of all stm-generating peepholes.
2255         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2256         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
2257         and OR to set it to all ones.
2258         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
2259         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
2260         (call, call_value): Set can_delay to "no".
2261         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
2262         * config/h8300/h8300.md (extzv): Make subreg check more robust.
2263         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2264         * config/h8300/h8300.md (*brabit): Remove.
2265         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
2266         zero_extract.  Use bit_memory_operand as the predicate for
2267         operand 1 and 'WU' as the constraint.  Check the difference
2268         between the base length and the final one when deciding which
2269         type of branch to use.
2270         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2271         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
2272         Use convert_move to extend the result for TARGET_H8300SX.  Check
2273         for QImode memory references.  Optimize the case where the
2274         destination is a paradoxical subreg.
2275         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2276         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
2277         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
2278         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
2279         * config/h8300/h8300.md: Include mova.md
2280         (length_table): Add mova and mova_zero.
2281         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
2282         after all constant addresses for '%R', '%X', '%T' and '%S'.
2283         (h8300_mova_length): New function.
2284         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
2285         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
2286         dependencies for s-config, etc.
2287         * config/h8300/gemova.sh: New file.
2288         * config/h8300/mova.md: Generated.
2289         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
2290         * config/h8300/h8300.c (h8300_bitfield_length): New.
2291         (nibble_operand): Adjust.
2292         (h8300_binary_length): Handle conditional binary op.
2293         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
2294         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
2295         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
2296         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
2297         constraints.  WU is introduced as a variant of U that requires a
2298         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
2299         * config/h8300/h8300.md (attr type): Added bitbranch.
2300         (attr length_table): Added bitfield and bitbranch.
2301         (attr length): Compute bitbranch length.
2302         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
2303         least-significant bit of a byte.
2304         (brabit, brabc, brabs): New.
2305         (insv, extzv): Emit bfst and bfld on H8300SX.
2306         (bfld, bfst, seq, sne): New.
2307         (bstzhireg, cmpstz, bstz, bistz): New.
2308         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
2309         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
2310         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
2311         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
2312         (h8sx_unary_memory_operator): New function.
2313         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
2314         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
2315         * config/h8300/h8300.md: Add peepholes to combine reloads and
2316         arithmetic insns.
2317         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2318         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
2319         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
2320         (and?i, ior?i, xor?i): Likewise.
2321         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
2322         * config/h8300/h8300.c: Move enums and prototypes to head of file.
2323         Various whitespace fixes.
2324         (h8300_constant_length): New function, split out from...
2325         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
2326         (h8300_classify_operand): Use IN_RANGE.
2327         (h8300_classify_operand): Use h8300_constant_length.
2328         (h8300_short_move_mem_p): Tighten size check.
2329         (h8sx_mergeable_memrefs_p): Tighten equality check.
2330         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
2331         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
2332         for -msx.
2333         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
2334         * config/h8300/crtn.asm: Likewise.
2335         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
2336         if __H8300SX__ is defined.
2337         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
2338         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
2339         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
2340         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
2341         addresses as mode-dependent.
2342         * config/h8300/h8300.c (print_operand_address): Update call to
2343         h8300_get_index.
2344         (h8300_get_index): Take a mode argument.  Rework to fix an
2345         earlier misunderstanding.
2346         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
2347         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
2348         into a register if TARGET_H8300SX.
2349         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
2350         TARGET_H8300SX.  Also disable related define_splits.
2351         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
2352         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
2353         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
2354         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2355         * config/h8300/h8300.h (OK_FOR_Z): New macro.
2356         (EXTRA_CONSTRAINT_STR): Check it.
2357         * config/h8300/h8300.c (h8300_classify_operand): Accept null
2358         class arguments.
2359         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
2360         * config/h8300/h8300.md (length_table): Add mov_imm4.
2361         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
2362         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
2363         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
2364         be a label.
2365         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
2366         * config/h8300/h8300.c (h8300_reorg): New function.
2367         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2368         * config/h8300/h8300.md (length): Subtract the length of the
2369         delay slot from (pc) when checking the range of forward branches.
2370         (delay_slot, can_delay): New attributes.
2371         (define_delay): Add bra/s handling.
2372         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
2373         (jump): Add delayed-branch handling.
2374         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
2375         * expr.c (expand_strcpy): New function.
2376         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
2377         (expand_builtin_stpcpy): Likewise.
2378         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
2379         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
2380         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
2381         handling to improve register allocation for -fno-omit-frame-pointer.
2382         (h8sx_split_movmd): Delete, moving er6 handling into...
2383         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
2384         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
2385         (movmd): Add calls to copy_rtx.
2386         (movmd_internal): In the second alternative, allow the initial and
2387         final destination registers to be different .  Update the splitter
2388         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
2389         instead of h8sx_split_movmd.
2390         (stpcpy, movsd): New expanders.
2391         (movsd_internal): New define_insn.
2392         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
2393         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
2394         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
2395         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
2396         and DESTINATION_REGS.
2397         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2398         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
2399         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
2400         (h8300_move_ratio): Declare.
2401         (MOVE_RATIO): Use it.
2402         * config/h8300/h8300.c (h8300_move_ratio): New variable.
2403         (h8300_init_once): Initialize it.
2404         (h8300_reg_class_from_letter): New function.
2405         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
2406         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
2407         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
2408         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
2409         (movstrsi, movmd): New expanders.
2410         (movmd_internal): New insn.
2411         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
2412         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
2413         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
2414         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
2415         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
2416         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2417         * config/h8300/h8300.c (nibble_operand): Fix warning.
2418         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
2419         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
2420         (movsf_h8300h): Disable for TARGET_H8300SX.
2421         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2422         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
2423         h8300_stm_parallel and h8300_return_parallel.
2424         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
2425         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
2426         h8300_stm_parallel, h8300_return_parallel): New functions.
2427         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
2428         if TARGET_H8300SX.  Use h8300_push_pop.
2429         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
2430         and final pop when generating h8sx code.  Always emit some form
2431         of return insn.
2432         * config/h8300/h8300.md: Don't enforce register alignment in
2433         stm peepholes if TARGET_H8300SX.
2434         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
2435         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
2436         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
2437         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
2438         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
2439         (MULTILIB_DIRNAMES): Add a directory for it.
2440         (MULTILIB_MATCHES): Delete.
2441         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2442         * final.c (walk_alter_subreg): Handle addresses with subregs
2443         inside a ZERO_EXTEND or AND.
2444         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
2445         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
2446         if TARGET_H8300SX.
2447         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
2448         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
2449         @(dd,Rn.w) and @(dd,ERn.L).
2450         (h8300_displacement_size): Take the whole address as argument.
2451         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
2452         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
2453         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
2454         (h8sx_mergeable_memrefs_p): Declare.
2455         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
2456         (HAVE_PRE_INCREMENT): Likewise.
2457         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
2458         addresses for TARGET_H8300SX,
2459         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
2460         and POST_DEC.
2461         (movb_length_table, movl_length_table): New tables.
2462         (movw_length_table): Define to movb_length_table.
2463         (h8300_displacement_size): New, split out from...
2464         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
2465         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
2466         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
2467         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
2468         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
2469         (compute_plussi_length, compute_plussi_cc): Update accordingly.
2470         (h8sx_unary_shift_operator): Get the mode from the operator.
2471         (binary_shift_operator): Likewise.
2472         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
2473         a memory reference, check whether the reference is offsettable.
2474         (length_table): Add movb, movw and movl.
2475         (movqi): Add new h8sx pattern.  Don't force one operand to be a
2476         register when generating h8sx code.
2477         (movhi, movsi, movsf): Likewise.
2478         (movstrictqi): Use the length_table attribute.
2479         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
2480         (addqi3): Split into a define_expand and define_insn.  Don't accept
2481         memory operands in the expander.  Use h8300_operands_match_p to
2482         check for matching operands in the define_insn.
2483         (subqi3, negqi2, one_cmplqi2): Likewise.
2484         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
2485         in any patterns that are unused in h8sx code.  In the h8sx patterns,
2486         use h8300_operands_match_p to check whether operands match.
2487         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
2488         one_cmpl[hs]i3): Likewise.
2489         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
2490         in the expander.
2491         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
2492         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
2493         (h8300_insn_length_from_table): Add a second parameter.
2494         (output_h8sx_shift): Declare.
2495         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
2496         (EXTRA_CONSTRAINT): Replace with...
2497         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
2498         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
2499         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
2500         and h8sx_binary_shift_operator.
2501         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
2502         for TARGET_H8300SX.
2503         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
2504         (bit_memory_operand, fix_bit_operand): Likewise.
2505         (h8300_length_table_for_insn): Remove.
2506         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
2507         instructions.
2508         (h8300_short_immediate_length, h8300_binary_length): New functions.
2509         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
2510         (output_plussi): Use sub to add negative constants.
2511         (compute_plussi_length): Adjust accordingly.
2512         (h8sx_single_shift_type): New enum.
2513         (h8sx_single_shift, h8sx_unary_shift_operator,
2514         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
2515         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
2516         single h8sx instruction.  Return false in this case.
2517         * config/h8300/h8300.md (length_table): Add short_immediate.
2518         (length): Pass the operand array to h8300_insn_length_from_table.
2519         (adjust_length): Assume "no" for insns with a length_table attribute.
2520         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
2521         (*addhi3_h8300hs): Don't use for h8sx.
2522         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
2523         and sub.w #xx:3.
2524         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
2525         1's predicate to nonimmediate_operand.  Only skip default expansion
2526         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
2527         for single h8sx shift instructions.
2528         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
2529         * config/h8300/h8300.c (nibble_operand): Split out of...
2530         (reg_or_nibble_operand): ... this.
2531         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
2532         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
2533         umulhisi3): Introduce expand, and introduce separate insns for
2534         sign- or zero-extended REG and already-extended CONST_INT.
2535         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
2536         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
2537         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
2538         (subhi3): Likewise.  Don't accept immediates for operand 1.
2539         Remove the early clobber from second alternative of the h8300s pattern.
2540         (subsi3): Generalize for h8sx.  Force operand 2 into a register
2541         on plain h8300 targets.
2542         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
2543         (subsi3_h8300h): Generalize for h8sx.
2544         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
2545         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
2546         * config/h8300/h8300.c (reg_or_nibble_operand): New.
2547         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2548         (TARGET_H8300SXMUL): New.
2549         (CONST_OK_FOR_P): New.
2550         (CONST_OK_FOR_LETTER_P): Adjust.
2551         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
2552         umulhisi3): Accept 4-bit immediate on H8SX.
2553         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
2554         (udivsi3, divhi3, udivsi3, divsi3): New.
2555         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
2556         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
2557         * config/h8300/h8300.h (OK_FOR_Q): New macro.
2558         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
2559         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
2560         Add ADDRESSOF to the bit_operand entry.
2561         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
2562         (h8300_src_operand): Likewise.
2563         (bit_operand): Check nonimmediate_operand rather than general_operand.
2564         Accept any nonimmediate_operand in h8sx code.
2565         (h8300_and_costs): Initialize operands[1].
2566         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
2567         (h8300_operand_class): New enum.
2568         (h8300_length_table): New typedef.
2569         (addb_length_table, addw_length_table, addl_length_table,
2570         logicl_length_table): New tables.
2571         (logicb_length_table, logicw_length_table): New macros.
2572         (h8300_classify_operand, h8300_length_from_table,
2573         h8300_length_table_for_insn, h8300_unary_length,
2574         h8300_insn_length_from_table): New functions.
2575         (output_plussi): Only use adds and subs for register destinations.
2576         Disable redundant clause.
2577         (compute_plussi_cc): Likewise.
2578         (compute_plussi_length): Likewise.  Use h8300_length_from_table
2579         to work out the length of an insn.
2580         (output_logical_op): Only use narrower immediate instructions
2581         if the destination is a register.
2582         (compute_logical_op_cc): Likewise.
2583         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
2584         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
2585         * config/h8300/h8300.md (length_table): New attribute.
2586         (length): When an instruction has a length_table attribute, use
2587         h8300_insn_length_from_table to calculate its default length.
2588         (cmpqi): Use h8300_dst_operand for the first operand and
2589         h8300_src_operand for the second.
2590         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
2591         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
2592         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
2593         iorsi3, xorhi3, xorsi3): Likewise.
2594         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
2595         so that it allows any combination of operands for TARGET_H8300SX.
2596         (iorqi3, xorqi3): Likewise.
2597         (cmpqi): Use the length_table attribute.
2598         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
2599         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2600         (cmpqi): Add 'Q' constraint.
2601         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
2602         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
2603         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
2604         * config/h8300/h8300.h (MASK_H8300SX): New macro.
2605         (TARGET_H8300S): True for both -ms and -msx.
2606         (TARGET_H8300SX): New macro.
2607         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
2608         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
2609         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
2610         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
2611         [Temporary change.]
2612         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
2613         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
2614         16-bit pointers and 32-bit ints.
2615         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
2616         CONST_DOUBLE with mode no wider than SImode.
2617         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
2618         output operand.
2619         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
2620         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
2621         or SUBREG thereof.
2622         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
2623         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
2624         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
2625
2626 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
2627
2628         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
2629
2630 2004-07-07  Per Bothner  <per@bothner.com>
2631
2632         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
2633
2634 2004-07-07  Mike Stump  <mrs@apple.com>
2635
2636         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
2637         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
2638         (machopic_finish): Likewise.
2639
2640 2004-07-07  Richard Henderson  <rth@redhat.com>
2641
2642         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
2643         through any value-preserving cast.
2644
2645 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2646
2647         * function.c (assign_parm_find_data_types): Call
2648         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
2649
2650 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2651
2652         * tree-cfg.c (group_case_labels): Remove case labels that have
2653         the same target as the default case.
2654
2655 2004-07-07  Steven Bosscher  <stevenb@suse.de>
2656
2657         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
2658         regardless of DECL_LANG_SPECIFIC being present or not.
2659         * tree.h (DECL_NUM_STMTS): Purge.
2660
2661 2004-07-07  Andrew Pinski  <apinski@apple.com>
2662
2663         * configure: Regenerate with the right autoconf.
2664
2665 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
2666
2667         * ifcvt.c (total_bb_rtx_cost): New function.
2668         (find_if_case_1): Compare rtx_cost of basic block to cost of
2669         BRANCH_COST insns.
2670         (find_if_case_2): Same.
2671
2672 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2673
2674         PR target/10567
2675         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
2676         (output_return): Likewise.
2677         (output_sibcall): Abort if !flag_delayed_branch.
2678         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
2679         (emit_and_preserve): New function.
2680         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
2681         indirect jump to the thunked-to function if !flag_delayed_branch.
2682         * config/sparc/sparc.md (delayed_branch): New attribute.
2683         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
2684         attribute to compute the length of the insn.
2685         (goto_handler_and_restore): Likewise.
2686
2687 2004-07-07  Andrew Pinski  <apinski@apple.com>
2688
2689         PR tree-optimization/15777
2690         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
2691
2692         * expr.c (expand_expr_real_1): Fix formating.
2693         BUFFER_REF and IN_EXPR are dead.
2694         * fold-const.c (non_lvalue): BUFFER_REF is dead.
2695         * tree-inline.c (estimate_num_insns_1): Likewise.
2696         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
2697         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
2698         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
2699
2700 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
2701
2702         * collect2.c (dump_file): Don't call cplus_demangle if
2703         HAVE_LD_DEMANGLE is defined.
2704         (main): Pass "--demangle" to ld if no_demangle is not 0 and
2705         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
2706         if HAVE_LD_DEMANGLE is defined.
2707
2708         * configure.ac (--with-demangler-in-ld): Added
2709         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
2710         --with-demangler-in-ld is used.
2711         * config.in: Regenerated.
2712         * configure: Likewise.
2713
2714 2004-07-07  Roger Sayle  <roger@eyesopen.com>
2715
2716         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
2717         for simple floating point operations "fp", double precision
2718         multiplication "dmul", and single and double precision division
2719         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
2720         (ppc630_cost): New table split from ppc620_cost, to distinguish
2721         differences in floating point latencies.
2722         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
2723         (rs6000_rtx_costs): Add support for single and double precision
2724         floating point addition, subtraction, multiplication, division,
2725         fused-multiply-add, fused-multiply-sub, negation, absolute value
2726         and negative absolute value.  Tweak MEM case to use prefered idiom.
2727
2728 2004-07-07  Richard Henderson  <rth@redhat.com>
2729
2730         * tree-flow-inline.h (may_propagate_copy): Move...
2731         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
2732         attempt to copy between types requiring conversion.
2733         * tree-flow.h (may_propagate_copy): Update decl.
2734         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
2735
2736 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
2737
2738         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
2739         from -mtune= option.
2740
2741 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
2742
2743         * builtins.c: Rename movstr*, except for movstrict*, to
2744         movmem* and clrstr* to clrmem*.
2745         * expr.c: Likewise.
2746         * expr.h: Likewise.
2747         * genopinit.c: Likewise.
2748         * integrate.c: Likewise.
2749         * local-alloc.c: Likewise.
2750         * optabs.c: Likewise.
2751         * optabs.h: Likewise.
2752         * config/alpha/alpha.h: Likewise.
2753         * config/alpha/alpha.md: Likewise.
2754         * config/arm/arm-protos.h: Likewise.
2755         * config/arm/arm.c: Likewise.
2756         * config/arm/arm.md: Likewise.
2757         * config/avr/avr.md: Likewise.
2758         * config/c4x/c4x.c: Likewise.
2759         * config/c4x/c4x.md: Likewise.
2760         * config/frv/frv.md: Likewise.
2761         * config/i386/i386-protos.h: Likewise.
2762         * config/i386/i386.c: Likewise.
2763         * config/i386/i386.h: Likewise.
2764         * config/i386/i386.md: Likewise.
2765         * config/i860/i860.c: Likewise.
2766         * config/i860/i860.md: Likewise.
2767         * config/ip2k/ip2k.md: Likewise.
2768         * config/ip2k/libgcc.S: Likewise.
2769         * config/ip2k/t-ip2k: Likewise.
2770         * config/m32r/m32r.c: Likewise.
2771         * config/m32r/m32r.md: Likewise.
2772         * config/mcore/mcore.md: Likewise.
2773         * config/mips/mips.c: Likewise.
2774         * config/mips/mips.md: Likewise.
2775         * config/ns32k/ns32k.c: Likewise.
2776         * config/ns32k/ns32k.h: Likewise.
2777         * config/ns32k/ns32k.md: Likewise.
2778         * config/pa/pa.c: Likewise.
2779         * config/pa/pa.md: Likewise.
2780         * config/pdp11/pdp11.h: Likewise.
2781         * config/pdp11/pdp11.md: Likewise.
2782         * config/rs6000/rs6000.c: Likewise.
2783         * config/rs6000/rs6000.md: Likewise.
2784         * config/s390/s390-protos.h: Likewise.
2785         * config/s390/s390.c: Likewise.
2786         * config/s390/s390.md: Likewise.
2787         * config/sh/lib1funcs.asm: Likewise.
2788         * config/sh/sh.c: Likewise.
2789         * config/sh/sh.md: Likewise.
2790         * config/sh/t-sh: Likewise.
2791         * config/sparc/sparc.h: Likewise.
2792         * config/vax/vax.md: Likewise.
2793         * config/xtensa/xtensa.c: Likewise.
2794         * config/xtensa/xtensa.md: Likewise.
2795         * doc/invoke.texi: Likewise.
2796         * doc/md.texi: Likewise.
2797         * doc/rtl.texi: Likewise.
2798
2799 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
2800
2801         PR target/16407
2802         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
2803         * config/mips/mips.c (mips_declare_common_object): New function,
2804         mostly split out from...
2805         (mips_output_aligned_decl_common): ...here.
2806         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
2807         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
2808         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
2809         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
2810
2811 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2812
2813         PR c/16392
2814         * function.c (assign_parms): Fix typo from previous change.
2815
2816 2004-07-07  Jason Merrill  <jason@redhat.com>
2817
2818         PR c++/15815
2819         * doc/extend.texi (C++ Interface): Correct information and
2820         discourage use.
2821
2822 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
2823
2824         PR target/16130
2825         PR target/16142
2826         PR target/16143
2827         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
2828         insn.
2829
2830 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2831
2832         PR target/1679.
2833         * config/m32r/m32r.c (m32r_function_symbol): New function:
2834         Generate a symbol name RTX with the correct m32r specific flags
2835         set.
2836         (block_move_call): Use new function to generate correct symbol.
2837         * config/m32r/m32r-protos.h: Add prototype for new funcion.
2838         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
2839         function.
2840
2841 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2842
2843         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
2844         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
2845         TYPE_BINFO_BASETYPE): Remove.
2846         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
2847         to ...
2848         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
2849         here.
2850         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
2851         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
2852         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
2853         (struct tree_binfo): Rename base_types to base_binfos.
2854         * alias.c (record_component_aliases): Adjust BINFO macros.
2855         * dbxout.c (dbxout_type): Likewise.
2856         * dwarf2out.c (gen_member_die): Likewise.
2857         * sdbout.c (sdbout_one_type): Likewise.
2858         * tree-dump.c (deque_and_dump): Likewise.
2859         * config/i386/i386.c (classify_argument,
2860         contains_128bit_aligned_vector_p): Likewise.
2861
2862 2004-07-07  Nick Clifton  <nickc@redhat.com>
2863
2864         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
2865         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
2866
2867 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
2868
2869         * vec.h: Fix the example use.
2870
2871 2004-07-06  Richard Henderson  <rth@redhat.com>
2872
2873         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
2874         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
2875         * tree-inline.c (copy_body_r, setup_one_parameter,
2876         initialize_inlined_parameters, expand_call_inline,
2877         declare_inline_vars): Don't check it.
2878         (expand_calls_inline): Remove old version, rename new version
2879         from gimple_expand_calls_inline.
2880         * tree-optimize.c (execute_gimple): Remove.
2881         (pass_gimple): Don't run anything.
2882
2883 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2884
2885         * doc/sourcebuild.texi: Use semicolons instead of commas in
2886         section title.
2887
2888 2004-07-06  Richard Henderson  <rth@redhat.com>
2889
2890         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
2891         (sra_walk_modify_expr, scan_init): Likewise.
2892         (generate_element_zero): Check visited before scanning children.
2893         (generate_element_init): Set visited on error.
2894         (scalarize_init): Handle generate_element_init failure similar
2895         to use_block_copy.
2896
2897 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2898
2899         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
2900         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
2901
2902 2004-07-06  Richard Henderson  <rth@redhat.com>
2903
2904         * config/i386/i386.c (legitimize_pic_address): Make static.
2905         (legitimize_address): Handle CONST with TLS operand.
2906         (ix86_expand_move): Don't call legitimize_pic_address directly.
2907         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
2908
2909 2004-07-06  Roger Sayle  <roger@eyesopen.com>
2910
2911         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
2912         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
2913         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
2914         is currently executed unconditionally, i.e. not in "else_bb".
2915
2916 2004-07-06  Steven Bosscher  <stevenb@suse.de>
2917
2918         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
2919         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2920         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
2921         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2922         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
2923         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2924         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
2925         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2926         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
2927         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2928         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
2929         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2930         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
2931         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2932         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
2933         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
2934
2935 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2936
2937         * dojump.c (do_jump): REFERENCE_EXPR is dead.
2938         * expr.c (expand_expr_real_1): Ditto.
2939         * tree-inline.c (estimate_num_insns_1): Ditto.
2940         * tree-pretty-print.c (dump_generic_node): Ditto.
2941         (op_symbol): Ditto.
2942         * tree.def: Ditto.
2943
2944 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
2945
2946         * tree-ssa-pre.c (reference_node_pool): New pool.
2947         (find_or_generate_expression): Class 'r' is okay too.
2948         (create_value_expr_from): Ditto.
2949         (add_to_sets): LHS should not include vuses.
2950         (eliminate): Ditto.
2951         (compute_avail): Reverse ordering of tests.
2952         Valuize INDIRECT_REF as well.
2953
2954 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
2955
2956         PR rtl-optimization/16380
2957         * loop.c (check_dbra_loop): Sink comparison instructions if they
2958         do something other than set cc0.
2959
2960 2004-07-06  James E Wilson  <wilson@specifixinc.com>
2961
2962         * doc/interface.texi (longjmp and automatic variables): Delete
2963         paragraph recommending taking the address of a variable.
2964
2965 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2966
2967         * vec.h (VEC_embedded_alloc): Remove.
2968         (VEC_embedded_size, VEC_embedded_init): New.
2969         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
2970         MEM_STAT_INFO.
2971         (VEC_truncate): New.
2972         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
2973         (vec_embedded_alloc): Remove.
2974         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
2975         (vec_embedded_alloc): Remove.
2976
2977 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
2978
2979         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
2980         (gt-langhooks.h): Remove.
2981
2982 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
2983
2984         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
2985
2986 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2987
2988         * config/sparc/sparc.c (get_pc_symbol): Rename into
2989         add_pc_to_pic_symbol.
2990         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
2991         (load_pic_register): Account for previous changes.
2992         Use reg_names.  Don't create the label twice.
2993         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
2994         UNSPEC_LOAD_PCREL_SYM.
2995         (get_pc): Rename into load_pcrel_sym.  Add predicate to
2996         operands.  Remove condition.
2997
2998 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
2999
3000         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
3001         RECORD, UNION & QUAL_UNION is actually a binfo.
3002
3003         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
3004         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
3005         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
3006         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
3007         * dwarf2out.c (add_data_member_location_attribute): Likewise.
3008         (gen_inheritance_die): Likewise.
3009         * tree-dump.c (deque_and_dump): Likewise.
3010         * doc/c-tree.texi (Binfos): Add under reconstruction note.
3011
3012 2004-07-06  Steven Bosscher  <stevenb@suse.de>
3013
3014         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3015         Define.
3016         * config/mcore/mcore.md: Model memory latency with a simple DFA
3017         pipeline description instead of a define_function_unit.
3018
3019 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3020
3021         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
3022         * langhooks.h (var_mod_type_p): Likewise.
3023         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
3024         * expr.c (count_type_elements): Properly handle return from
3025         array_type_nelts and properly test for overflow.
3026         * gimplify.c (gimplify_init_constructor): Properly handle return
3027         from array_type_nelts.
3028         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
3029         * integrate.c (copy_decl_for_inlining): Correct comments.
3030         * tree-inline.c (remap_decl): Update comments, remove dead code,
3031         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
3032         (remap_type): Only remap if variably modified by vars in function
3033         being inlined.
3034         (copy_body_r): Use compatible_type langhooks to see when can fold.
3035         (setup_one_parameter): Don't remap type.
3036         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
3037         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
3038         compute TREE_INVARIANT for decl case.
3039         (find_var_from_fn): New function.
3040         (variably_modified_type_p): Add arg and call new function.
3041         * tree.h (variably_modified_type_p): Add extra arg.
3042
3043 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
3044
3045         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
3046         (goto_handler_and_restore_v9): Delete disabled insn.
3047         (goto_handler_and_restore_v9_sp64): Likewise.
3048
3049 2004-07-05  Roger Sayle  <roger@eyesopen.com>
3050
3051         * calls.c (load_register_parameters): Call expand_shift instead
3052         of expand_binop with ashl_optab (or other shift optab) directly.
3053         * expr.c (emit_group_load, emit_group_store): Likewise.
3054         * function.c (assign_parm_setup_block): Likewise.
3055         * stmt.c (shift_return_value): Likewise.
3056
3057 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
3058
3059         * expr.c (expand_assignment): Disable the bitfield += optimizations.
3060
3061 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3062
3063         * doc/sourcebuild.texi: Revert previous patch.
3064
3065 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3066
3067         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
3068         TARGET_MEM_FUNCTIONS.
3069         * system.h: Poison TARGET_MEM_FUNCTIONS.
3070         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
3071         bcmp_libfunc, bzero_libfunc): Remove.
3072         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
3073         bzero_libfunc.
3074         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
3075         * doc/standards.texi: Don't mention calling BSD string functions.
3076         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
3077         * config/vax/t-memfuncs: New.
3078         * config/memcmp.c, config/memcpy.c, config/memmove.c,
3079         config/memset.c: New.
3080         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
3081         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
3082         vax/t-memfuncs.
3083         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
3084         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
3085         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
3086         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
3087         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
3088         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
3089         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
3090         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
3091         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
3092         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
3093
3094 2004-07-05  Richard Henderson  <rth@redhat.com>
3095
3096         * function.c (assign_parm_setup_reg): Properly rename variables in
3097         FUNCTION_ARG_CALLEE_COPIES section.
3098
3099 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
3100
3101         * tree-mudflap.c: Include cgraph.h.
3102         (mf_init_extern_trees): Rename to mudflap_init.  Export.
3103         Rewrite to create synthetic declarations instead of looking
3104         up declarations from mf-runtime.h.
3105         (mf_make_builtin, mf_make_cache_struct_type): New functions.
3106         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
3107         Correct commentary.
3108         (execute_mudflap_function_decls, mudflap_register_call):
3109         Don't call mf_init_extern_trees.
3110         (mudflap_finish_file): Use cgraph_build_static_cdtor.
3111
3112         * tree-mudflap.h: Update prototypes.
3113         * c-mudflap.c: Delete file.
3114         * c-common.c: Include tree-mudflap.h.
3115         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
3116         * Makefile.in: Remove all references to c-mudflap.o.
3117         Update dependencies.
3118
3119 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3120
3121         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
3122         displacements with the spatial-locality cache-control completer.
3123
3124 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
3125
3126         * langhooks.c: Don't include gt-langhooks.h.
3127         (var_labelno): Delete.
3128         (lhd_set_decl_assembler_name): Do not append a distinguishing
3129         number to file-scope internal-linkage declarations for the first
3130         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
3131         the declaration itself (if at block scope), or its containing
3132         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
3133         number.
3134
3135         * opts.c (cur_in_fname): New global.
3136         * opts.h: Declare it.
3137         * tree.c: Include opts.h.
3138         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
3139         DECL_UID equal to cur_in_fname.
3140         (copy_node_stat): Do not change DECL_UID when copying a
3141         TRANSLATION_UNIT_DECL.
3142         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
3143         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
3144
3145         * c-decl.c (c_static_assembler_name): Delete.
3146         * c-tree.h (c_static_assembler_name): Delete prototype.
3147         * c-lang.c, objc/objc-lang.c: Don't override
3148         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
3149
3150         * Makefile.in (tree.o): Update dependencies.
3151         (GTFILES): Remove langhooks.c.
3152
3153 2004-07-05  Roger Sayle  <roger@eyesopen.com>
3154
3155         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
3156         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
3157         Normalize "X % C" as "X % -C" for signed modulus and negative C.
3158         Optimize "X % -Y" as "X % Y" for signed modulus.
3159         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
3160         into "((unsigned) X % Y) == 0".
3161
3162 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
3163
3164         * sourcebuild.texi (Config Fragments): Use @comma{} in
3165         cross-reference to section title.
3166
3167 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3168
3169         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
3170         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
3171         (gimplify_target_expr, gimplify_expr): Likewise.
3172         (copy_if_shared_r): No longer need special case for BIND_EXPR.
3173         (unshare_body, unvisit_body): Only look at nested if BODY_P is
3174         whole function.
3175         (gimplify_compound_lval): See if we can strip any useless conversion.
3176         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
3177         from RHS, not LHS.
3178         (gimplify_modify_expr_to_memset): Likewise.
3179         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
3180         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
3181         (declare_inline_vars): Likewise.
3182         (walk_type_fields): New function.
3183         (walk_tree): Use it.
3184         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
3185
3186         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
3187         (sra_walk_modify_expr): Allow init function to fail.
3188         (scan_init): Now returns bool.
3189         (generate_element_init): If can't understand INIT, return false.
3190         (scalarize_init): Return false if generate_element_init does.
3191
3192         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
3193         print bounds.
3194
3195         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
3196         bounds if bounds aren't constant.
3197
3198         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
3199
3200         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
3201         to type hooks; remove bogus PARAMS.
3202
3203 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
3204
3205         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
3206         * dwarf2out.c (add_data_member_location_attribute): Check for
3207         TREE_BINFO.
3208         * tree.c (tree_node_kinds): Add "binfos".
3209         (binfo_lang_slots): New.
3210         (make_node_stat): Add TREE_BINFO.
3211         (make_tree_binfo_stat): New.
3212         (tree_node_structure): Add TREE_BINFO.
3213         * tree.def (TREE_BINFO): New.
3214         * tree.h (REC_OR_UNION_CHECK): Rename to ...
3215         (RECORD_OR_UNION_CHECK): ... here.
3216         (NOT_RECORD_OR_UNION_CHECK): New.
3217         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
3218         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
3219         RECORD_OR_UNION_CHECK.
3220         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
3221         (TYPE_LANG_SLOT_1): New.
3222         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
3223         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
3224         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
3225         (BINFO_ELTS): Remove.
3226         (BINFO_LANG_SLOT): New.
3227         (struct tree_binfo): New.
3228         (binfo_lang_slots): Declare.
3229         (enum tree_node_structure_enum): Add TS_BINFO.
3230         (union tree_node): Add binfo.
3231         (make_tree_binfo_stat): Declare.
3232         (make_tree_binfo): New.
3233         (enum tree_node_kind): Add binfo_kind.
3234
3235         * objc/objc-act.c (start_class, objc_declare_protocols,
3236         start_protocols): Use TYPE_LANG_SLOT_1.
3237         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
3238         to ...
3239         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
3240         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
3241         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
3242         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
3243
3244 2004-07-05  Steven Bosscher  <stevenb@suse.de>
3245
3246         * rtl.h (struct rtx_def): Remove the integrated flag.
3247         Use the return_val flag for MEM_SCALAR_P.
3248         Reshuffle and update flags in CLEAR_RTX_FLAGS.
3249
3250 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
3251
3252         PR target/16357
3253         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
3254         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
3255         move_by_pieces.
3256
3257 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
3258
3259         * var-tracking.c: Fix some comments.
3260         (frame_stack_adjust): New.
3261         (vt_stack_adjustments): Init stack_adjust of entry block to
3262         minus stack adjustment of function prologue.
3263         (adjust_stack_reference): Do not adjust if adjustment == 0.
3264         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
3265         (emit_notes_in_bb): Likewise.
3266         (vt_add_function_parameters): Do not adjust locations of
3267         function arguments.
3268         (vt_initialize): Compute the stack adjustment of function
3269         prologue and offset the initial "location" of frame_base_decl
3270         from the stack pointer after prologue.
3271
3272 2004-07-04  Richard Henderson  <rth@redhat.com>
3273
3274         * function.c (struct assign_parm_data_all): New.
3275         (struct assign_parm_data_one): New.
3276         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
3277         assign_parm_find_data_types, assign_parms_setup_varargs,
3278         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
3279         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
3280         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
3281         assign_parm_setup_block, assign_parm_setup_reg,
3282         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
3283         (assign_parms): ... here.
3284
3285 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
3286
3287         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
3288         now are bitmap_set_t's.
3289         (bitmap_insert_into_set): No point in inserting the value if
3290         it's invariant.
3291         (bitmap_set_contains): New function.
3292         (bitmap_set_replace_value): Add comment on why we do it
3293         this way.
3294         (set_contains): Removed.
3295         (bitmap_set_subtract_from_value_set): New name of
3296         set_subtract now that it's arguments are two different
3297         types of sets.
3298         Update callers.
3299         (bitmap_find_leader): Change algorithm used.
3300         (find_or_generate_expression): Update use of functions for new
3301         bitmap sets.
3302         (create_expression_by_pieces): Ditto.
3303         (insert_aux): Ditto.
3304         (insert): Ditto.
3305         (add_to_sets): Ditto.
3306         (init_pre): Ditto.
3307         (execute_pre): Ditto.
3308         (compute_avail): Ditto.
3309         Also ignore virtual phis.
3310
3311 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3312
3313         * combine.c (simplify_comparison): Fix comment typo.
3314
3315 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
3316
3317         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
3318         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
3319         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
3320         (output_restore): Change parameter from 'insn' to 'pat'.
3321         (output_return): Adjust call to output_restore.
3322         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
3323         Adjust call to output_restore.
3324
3325 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3326
3327         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
3328         and assert system is bsd.
3329
3330 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
3331
3332         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
3333         (TARGET_SWITCHES): Remove -mdebugc.
3334         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
3335         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
3336         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
3337         (sle_[sd]i_reg): Delete.
3338
3339 2004-07-04  Steven Bosscher  <stevenb@suse.de>
3340
3341         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
3342         Define.
3343         * config/iq2000/iq2000.md: Translate old pipeline description to an
3344         equivalent new one.
3345
3346 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3347
3348         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
3349         Ensure the replacement rhs is valid gimple before performing
3350         the substitution.  Return false if these sanity checks fail.
3351         (fold_stmt): Only set changed to true, if set_rhs returns true.
3352         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
3353         succeeds.
3354
3355 2004-07-04  Richard Henderson  <rth@redhat.com>
3356
3357         PR c/16348
3358         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
3359
3360 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
3361
3362         * configure.ac (ranlib_flags): New variable.
3363         * Makefile.in (RANLIB_FLAGS): New variable.
3364         (libbackend.a): Use it.
3365         * configure: Regenerated.
3366
3367 2004-07-04  Roger Sayle  <roger@eyesopen.com>
3368
3369         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
3370         a "sign mask" instead of using ashr_optab directly.
3371
3372 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
3373
3374         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
3375         * doc/cppopts.texi: Clarify processing of command-line defines.
3376
3377 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
3378
3379         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
3380
3381 2004-07-04  Richard Henderson  <rth@redhat.com>
3382
3383         * rtl.def (ADDRESSOF): Remove.
3384         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
3385         (find_base_term, memrefs_conflict_p): Likewise.
3386         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
3387         (fold_rtx, cse_insn, set_live_p): Likewise.
3388         * dwarf2out.c (mem_loc_descriptor): Likewise.
3389         (add_location_or_const_value_attribute): Likewise.
3390         * emit-rtl.c (copy_insn_1): Likewise.
3391         * explow.c (memory_address): Likewise.
3392         * expmed.c (store_split_bit_field): Likewise.
3393         * expr.c (expand_expr_real_1): Likewise.
3394         * function.c (instantiate_decl
3395         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
3396         * genrecog.c (preds, validate_pattern): Likewise.
3397         * integrate.c (copy_rtx_and_substitute): Likewise.
3398         * recog.c (general_operand, register_operand): Likewise.
3399         (memory_address_p): Likwise.
3400         * reload1.c (eliminate_regs, elimination_effects): Likewise.
3401         * rtl.c (copy_rtx): Likewise.
3402         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
3403         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
3404         * rtlhooks.c (gen_lowpart_general): Likewise.
3405         * stmt.c (expand_asm_operands): Likewise.
3406         * web.c (entry_register, replace_ref, web_main): Likewise.
3407         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
3408         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3409         * config/arm/arm.c (thumb_rtx_costs): Likewise.
3410         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
3411         * config/frv/frv.c (move_destination_operand, move_source_operand,
3412         condexec_dest_operand, condexec_source_operand,
3413         condexec_memory_operand): Likewise.
3414         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
3415         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
3416         (destination_xfmode_operand): Likewise.
3417         * config/mips/mips.h (PREDICATE_CODES): Likewise.
3418         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
3419         * config/s390/s390.c (general_s_operand): Likewise.
3420         * config/s390/s390.md (mov*): Likewise.
3421         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
3422
3423         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
3424         * expr.c (expand_expr_real_1): Likewise.
3425         * stmt.c (expand_decl): Likewise.
3426         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
3427
3428         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
3429         postponed_insns, put_var_into_stack, put_reg_into_stack,
3430         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
3431         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
3432         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
3433         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
3434         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
3435         purge_bitfield_addressof_replacements, purge_addressof_replacements,
3436         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
3437         struct insns_for_mem_walk_info, insns_for_mem_walk,
3438         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
3439         setjmp_protect_args): Remove.
3440         (push_function_context_to): Don't handle var_refs_queue.
3441         (pop_function_context_from, free_after_compilation): Likewise.
3442         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
3443         (assign_parms, allocate_struct_function): Likewise.
3444         (use_register_for_decl): New.
3445         (expand_function_end): Don't setjmp_protect.
3446         * function.h (struct emit_status): Update commentary.
3447         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
3448         (max_parm_reg, parm_reg_stack_loc): Remove.
3449         * passes.c (DFI_addressof): Remove.
3450         (dump_file_info): Remove addressof.
3451         (rest_of_handle_addressof): Remove.
3452         (rest_of_compilation): Don't call it.
3453         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
3454         * stmt.c (expand_decl): Use use_register_for_decl.
3455         * tree.h: Update decls.
3456         * web.c (mark_addressof): Remove.
3457         * doc/invoke.texi (-dF): Remove.
3458
3459 2004-07-03  Richard Henderson  <rth@redhat.com>
3460
3461         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
3462         instead of gen_mem_addressof.
3463         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
3464         TImode output register.
3465
3466 2004-07-03  Richard Henderson  <rth@redhat.com>
3467
3468         PR tree-optimization/16341
3469         * tree-sra.c (sra_walk_function): Increment to next stmt before
3470         processing the current stmt.
3471         (sra_insert_after): Always use BSI_SAME_STMT.
3472
3473 2004-07-03  Richard Henderson  <rth@redhat.com>
3474
3475         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
3476         fp plus with minus.
3477
3478 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3479
3480         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
3481         with tree_int_cst_equal.
3482
3483 2004-07-03  Andreas Schwab  <schwab@suse.de>
3484
3485         * config/ia64/ia64.md: Define new attribute "empty".
3486         (prologue_use, nop_x, insn_group_barrier): Set it.
3487
3488         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
3489         skip over "empty" insns.
3490
3491 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3492
3493         * tree-inline.c (initialize_inlined_parameters): Pass proper function
3494         context to gimplify_body.
3495         (walk_tree): Don't walk into types twice.
3496         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
3497
3498         * tree-sra.c (generate_element_init): Remove any useless conversions.
3499
3500         * gimplify.c (gimplify_conversion): Remove stripping useless
3501         conversions from here.
3502         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
3503         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
3504         Unshare before substituting PLACEHOLDER_EXPR.
3505         (gimplify_modify_expr_to_memset): Likewise.
3506         Pass address of TO to memset, not TO itself.
3507         (gimplify_init_constructor): Make copy of OBJECT so we have it each
3508         time we make an expression (to match a PLACEHOLDER_EXPR).
3509
3510         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
3511         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
3512         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
3513         * tree-ssa-dom.c (local_fold): Likewise.
3514
3515         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
3516         * langhooks.h (strct lang_hooks): New field type_max_size.
3517         * function.c (assign_temp): Call it.
3518
3519 2004-07-03  Steven Bosscher  <stevenb@suse.de>
3520
3521         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
3522         * config/sh/sh.md: Convert the SH1 pipeline description to
3523         a DFA model.
3524
3525 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
3526
3527         * c-decl.c (struct c_binding): Remove contour field; add
3528         depth, invisible, nested fields.
3529         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
3530         (B_IN_EXTERNAL_SCOPE): New convenience macros.
3531         (bind): Add invisible and nested arguments. Initialize
3532         new fields of struct c_binding; adjust loop scanning for
3533         insertion point.
3534         (free_binding_and_advance): Clear structure with memset.
3535         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
3536         in file scope, even if it's in external scope too.
3537         (pushdecl): Adjust to match.  Create invisible file-scope
3538         declarations for block-scope forward declarations of static functions.
3539         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
3540         (undeclared_variable, lookup_label, declare_label, define_label)
3541         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
3542         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
3543         (store_parm_decls_oldstyle): Adjust to match.
3544         (diagnose_mismatched_decls): Correct handling of linkage clashes.
3545         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
3546
3547         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
3548         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
3549
3550 2004-07-02  Richard Henderson  <rth@redhat.com>
3551
3552         * c-decl.c (grokdeclarator): Don't frob current_function_decl
3553         around variable_size.
3554         (set_decl_nonlocal): Remove.
3555         (store_parm_decls): Add stmts for pending sizes.
3556         * calls.c (calls_function, calls_function_1): Remove.
3557         (precompute_arguments): Don't call it.
3558         * cfgexpand.c (set_save_expr_context): Remove.
3559         (tree_expand_cfg): Don't call it.
3560         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
3561         (dwarf2out_finish): Likewise.
3562         * expr.c (emit_block_move): Adjust addresses to BLKmode.
3563         (store_constructor): Don't pre-evaluate SAVE_EXPR.
3564         (safe_from_p): Don't queue SAVE_EXPRs.
3565         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
3566         or build plain VAR_DECLs.
3567         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
3568         (fold): Likewise.
3569         (fold_checksum_tree): Don't special-case SAVE_EXPR.
3570         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
3571         (put_var_into_stack): Don't handle SAVE_EXPR.
3572         (gen_mem_addressof): Likewise.
3573         * function.h (struct function): Remove x_save_expr_regs.
3574         (save_expr_regs): Remove.
3575         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
3576         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
3577         * stor-layout.c (variable_size): Don't set it.
3578         (force_type_save_exprs, force_type_save_exprs_1): Remove.
3579         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
3580         all callers.  Don't set SAVE_EXPR_CONTEXT.
3581         * tree-inline.h (remap_save_expr): Update decl.
3582         * tree.c (save_expr): Update build size.
3583         (first_rtl_op): Don't handle SAVE_EXPR.
3584         (unsave_expr_1, contains_placeholder_p): Likewise.
3585         (decl_function_context): Likewise.
3586         * tree.def (SAVE_EXPR): Remove args 1 and 2.
3587         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
3588         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
3589
3590 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
3591
3592         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
3593         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
3594         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
3595         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
3596         some first-person references and patronizing comments.  Based on
3597         printed manual.
3598         * doc/invoke.texi: Don't reference fortran@gnu.org.
3599         * doc/trouble.texi (Warning when a non-void function value is
3600         ignored): Rewrite.  From Russ Allbery and Chris Devers.
3601
3602 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
3603
3604         * tree-ssa-pre.c (bitmap_set_t): New.
3605         (bb_value_sets): avail_out is now a bitmap_set_t.
3606         (bitmap_find_leader): New function.
3607         (bitmap_value_insert_into_set): Ditto.
3608         (bitmap_set_copy): Ditto.
3609         (bitmap_value_replace_in_set): Ditto.
3610         (bitmap_set_contains_value): Ditto.
3611         (bitmap_set_new): Ditto.
3612         (bitmap_set_pool): New pool.
3613         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
3614         (insert_aux): Ditto.
3615         (add_to_sets): Ditto.
3616         (compute_avail): Ditto
3617         (eliminate): Ditto.
3618         (init_pre): Ditto.
3619         (fini_pre): Ditto.
3620         (execute_pre): Ditto.
3621
3622 2004-07-02  Roger Sayle  <roger@eyesopen.com>
3623
3624         * config/rs6000/rs6000.c (struct processor_costs): New structure
3625         used to hold instruction latencies/sizes for processor types.
3626         (rs6000_cost): New global variable pointing to current CPU's costs.
3627         (rs6000_override_options): Initialize rs6000_cost to point to the
3628         appropriate cost table based upon rs6000_cpu and optimize_size.
3629         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
3630         timings inline.
3631
3632 2004-07-02  Richard Henderson  <rth@redhat.com>
3633
3634         * expmed.c (make_tree): Don't use SET_DECL_RTL.
3635
3636 2004-07-02  Steven Bosscher  <stevenb@suse.de>
3637
3638         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
3639
3640 2004-07-01  Richard Henderson  <rth@redhat.com>
3641
3642         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
3643         (alpha_gp_save_rtx): Use assign_stack_local instead of
3644         gen_mem_addressof.
3645
3646 2004-07-01  Richard Henderson  <rth@redhat.com>
3647
3648         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
3649         (alpha_rtx_cost_data): Update to match.
3650         (alpha_rtx_cost_size): New.
3651         (alpha_rtx_costs): Honor optimize_size.
3652
3653 2004-07-01  Richard Henderson  <rth@redhat.com>
3654
3655         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
3656         * cfgexpand.c (tree_expand_cfg): Do it here.
3657         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
3658         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
3659         * config/mips/mips.c (mips_output_mi_thunk): And here.
3660         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
3661         * config/sh/sh.c (sh_output_mi_thunk): And here.
3662         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
3663
3664 2004-07-01  Richard Henderson  <rth@redhat.com>
3665
3666         * tree.def (RTL_EXPR): Remove.
3667         * c-typeck.c (lvalue_p): Don't handle it.
3668         * expr.c (safe_from_p): Likewise.
3669         (expand_expr_real_1): Likewise.
3670         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
3671         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
3672         * gengtype.c (adjust_field_tree_exp): Likewise.
3673         * stmt.c (warn_if_unused_value): Likewise.
3674         * tree-gimple.c (recalculate_side_effects): Likewise.
3675         * tree-pretty-print.c (dump_generic_node): Likewise.
3676         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
3677         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
3678         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
3679
3680         * stmt.c (struct stmt_status): Remove x_last_expr_type,
3681         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
3682         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
3683         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
3684         all the bits that tracked last_expr.
3685         (expand_end_bindings): Don't track last_expr.
3686         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
3687         (clear_last_expr): Remove.
3688         (expand_asm): Don't call it.
3689         (expand_asm_operands, expand_end_cond): Likewise.
3690         (expand_naked_return, expand_null_return_1): Likewise.
3691         * c-typeck.c (c_begin_compound_stmt): Likewise.
3692         * cfgexpand.c (expand_block): Use expand_expr_stmt.
3693         * expr.c (expand_expr_real_1): Likewise.
3694         * tree.h: Update prototypes.
3695
3696         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
3697         (struct emit_status): Remove sequence_rtl_expr.
3698         (struct function): Remove x_rtl_expr_chain.
3699         (seq_rtl_expr, rtl_expr_chain): Remove.
3700         * function.c (struct temp_slot): Remove rtl_expr.
3701         (assign_stack_temp_for_type): Don't set it.
3702         (free_temp_slots, pop_temp_slots): Don't check it.
3703         (free_after_compilation): Don't clear x_rtl_expr_chain.
3704         (fixup_var_refs): Don't search it.
3705         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
3706         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
3707         or seq_rtl_expr.
3708         (push_topmost_sequence): Likewise.
3709         (end_sequence, init_emit): Likewise.
3710         (start_sequence_for_rtl_expr): Remove.
3711         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
3712         * rtl.h (preserve_rtl_expr_result): Remove.
3713
3714 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
3715
3716         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
3717         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
3718         typos.
3719
3720 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3721
3722         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
3723         (STANDARD_STARTFILE_PREFIX_2): Define.
3724         (standard_startfile_prefix_1): Initialize to
3725         STANDARD_STARTFILE_PREFIX_1.
3726         (standard_startfile_prefix_2): Initialize to
3727         STANDARD_STARTFILE_PREFIX_2.
3728         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
3729         (STANDARD_STARTFILE_PREFIX_1): Define.
3730         (STANDARD_STARTFILE_PREFIX_2): Define.
3731         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
3732         (STANDARD_STARTFILE_PREFIX_2): Document.
3733
3734 2004-07-01  Richard Henderson  <rth@redhat.com>
3735
3736         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
3737         in order to disable scalarization.  Instead set a flag and wait
3738         for a candidate decl.
3739
3740 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3741
3742         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
3743         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
3744         Use terminology "testsuite" and "enumerated".
3745
3746 2004-07-01  Richard Henderson  <rth@redhat.com>
3747
3748         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
3749         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
3750         (initial_return_save): Likewise.
3751         (flush_queued_reg_saves): Remap register numbers.
3752         (dwarf2out_return_reg): Likewise.
3753
3754 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3755
3756         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
3757
3758         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
3759         access functions for lower bound and element size and only output
3760         if lower bound nonzero or element size not same as that of type.
3761         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
3762
3763 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3764
3765         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
3766
3767 2004-07-01  Per Bothner  <per@bothner.com>
3768
3769         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
3770
3771 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
3772
3773         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
3774         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
3775         first operand.  Don't optimize if the bitfield is volatile.
3776
3777 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3778
3779         * c-pretty-print.c (pp_c_postfix_expression): Handle
3780         floating-point comparison operators.
3781         (pp_c_expression): Pass floating-point comparison
3782         operators to pp_c_postfix_expression.
3783
3784 2004-07-01  Roger Sayle  <roger@eyesopen.com>
3785
3786         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
3787         rtx_cost instead of "had_mult" to determine whether the transformed
3788         expression is cheaper than the original.
3789
3790 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
3791
3792         * alias.c (get_alias_set, canon_rtx, get_addr,
3793         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
3794         Use MEM_P.
3795         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
3796         expand_builtin): Likewise.
3797         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
3798         Likewise.
3799         * combine.c (can_combine_p, combinable_i3pat, try_combine,
3800         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
3801         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
3802         record_dead_and_set_regs_1, get_last_value_validate,
3803         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
3804         * cse.c (check_dependence, canon_hash, equiv_constant,
3805         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
3806         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
3807         count_reg_usage): Likewise.
3808         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
3809         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
3810         cselib_record_sets): Likewise.
3811         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
3812         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
3813         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
3814         * df.c (df_uses_record): Likewise.
3815         * dojump (do_jump): Likewise.
3816         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
3817         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
3818         decl_start_label): Likewise.
3819         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
3820         operand_subword, change_address_1, make_safe_from): Likewise.
3821         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
3822         stabilize, force_not_mem): Likewise.
3823         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
3824         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
3825         * expr.c (convert_move, convert_modes, emit_block_move,
3826         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
3827         emit_move_insn_1, expand_assignment, store_expr,
3828         store_constructor_field, store_constructor, store_field,
3829         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
3830         Likewise.
3831         * final.c (cleanup_subreg_operands, alter_subreg,
3832         get_mem_expr_from_op): Likewise.
3833         * flow.c (notice_stack_pointer_modification_1,
3834         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
3835         Likewise.
3836         * function.c (mark_temp_addr_taken, preserve_temp_slots,
3837         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
3838         optimize_bit_field, flush_addressof, purge_addressof_1,
3839         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
3840         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
3841         keep_stack_depressed): Likewise.
3842         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
3843         noce_process_if_block, find_memory): Likewise.
3844         * integrate.c (subst_constants, allocate_initial_values): Likewise.
3845         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
3846         update_equiv_regs): Likewise.
3847         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
3848         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
3849         * optabs.c (expand_abs, emit_unop_insn): Likewise.
3850         * passes.c (rest_of_handle_final): Likewise.
3851         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
3852         move2add_note_store): Likewise.
3853         * ra-build.c (detect_remat_webs): Likewise.
3854         * ra-debug.c (dump_static_insn_cost): Likewise.
3855         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
3856         * recog.c (validate_change, apply_change_group, cancel_changes,
3857         validate_replace_rtx_1, general_operand, register_operand,
3858         nonmemory_operand, push_operand, pop_operand, memory_operand,
3859         indirect_operand, asm_operand_ok, offsettable_memref_p,
3860         offsettable_nonstrict_memref_p, constrain_operands,
3861         store_data_bypass_p): Likewise.
3862         * reg-stack.c (subst_stack_regs_pat): Likewise.
3863         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
3864         copy_cost, reg_scan_mark_refs): Likewise.
3865         * regmove.c (optimize_reg_copy_3, stack_memref_p,
3866         combine_stack_adjustments_for_block): Likewise.
3867         * regrename.c (copyprop_hardreg_forward_1): Likewise.
3868         * reload.c (can_reload_into, push_reload, decompose, immune_p,
3869         find_reloads, find_reloads_address, find_reloads_address_1,
3870         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
3871         find_equiv_reg): Likewise.
3872         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
3873         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
3874         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
3875         delete_address_reloads): Likewise.
3876         * resource.c (mark_referenced_resources): Likewise.
3877         * rtlanal.c (get_jump_table_offset, count_occurrences,
3878         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
3879         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
3880         num_sign_bit_copies1): Likewise.
3881         * rtlhooks.c (gen_lowpart_general): Likewise.
3882         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
3883         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
3884         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
3885         sdbout_global_decl): Likewise.
3886         * simplify-rtx.c (simplify_subreg): Likewise.
3887         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
3888         expand_anon_union_decl, expand_end_case_type): Likewise.
3889         * unroll.c (calculate_giv_inc): Likewise.
3890         * var-tracking.c (stack_adjust_offset_pre_post,
3891         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
3892         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
3893         vt_add_function_parameters): Likewise.
3894         * varasm.c (make_var_volatile, notice_global_symbol,
3895         assemble_external, decode_addr_const, mark_weak,
3896         default_encode_section_info): Likewise.
3897
3898 2004-07-01  Steven Bosscher  <stevenb@suse.de>
3899
3900         * stmt.c (check_seenlabel): Remove.
3901         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
3902
3903 2004-07-01  Richard Henderson  <rth@redhat.com>
3904
3905         * function.h (struct function): Remove x_function_call_count.
3906         (function_call_count): Remove.
3907         * calls.c (expand_call): Don't set it.
3908         * integrate.c (copy_rtx_and_substitute): Likewise.
3909
3910         * function.h (struct function): Remove x_cleanup_label.
3911         (cleanup_label): Remove.
3912         * stmt.c (expand_value_return): Don't use it.
3913         * function.c (free_after_compilation): Don't set it.
3914         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
3915         * cfgexpand.c (tree_expand_cfg): Update call.
3916         * tree.h (expand_function_start): Update decl.
3917
3918 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
3919
3920         PR c/1027
3921         * c-lang.c (c_initialize_diagnostics): Move from here ...
3922         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
3923         (c_tree_printer): Use pretty-printer to format %T.
3924         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
3925         before '*' if not C++.
3926         (pp_c_direct_abstract_declarator): Don't try to print array upper
3927         bound for flexible array members.
3928         * c-tree.h: Include "diagnostic.h".
3929         (c_initialize_diagnostics): Declare.
3930         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
3931         * c-format.c (format_type_warning): New function.  Improve
3932         diagnostics for incorrect format argument types.
3933         (check_format_types): Use it.  Add two parameters.  Use the
3934         TYPE_MAIN_VARIANT of wanted_type.
3935         (check_format_info_main): Pass new parameters to
3936         check_format_types.
3937         (struct format_wanted_type): Update comment.
3938
3939 2004-07-01  Nick Clifton  <nickc@redhat.com>
3940
3941         * target.h (struct gcc_target): Add new field to struct cxx:
3942         import_export_class.
3943         * target-def.h (TARGET_CXX): Initialise the new field.
3944         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
3945         the new field.
3946         * doc/tm.texi: Document the new target hook.
3947
3948 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3949
3950         * builtins.c (fold_builtin_classify): Fix typo.
3951
3952 2004-07-01  Richard Henderson  <rth@redhat.com>
3953
3954         * function.c (identify_blocks, identify_blocks_1): Remove.
3955         * function.h (identify_blocks): Remove.
3956         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
3957
3958 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
3959
3960         * builtins.c (fold_builtin_classify): New.
3961         (fold_builtin_unordered_cmp): Fix commentary.
3962         (fold_builtin): Use it.
3963         * builtins.def: Define builtins for isnan,
3964         isnanf, isnanl, finite, finitef, finitel,
3965         isinf, isinff, isinfl.
3966
3967 2004-07-01  Richard Henderson  <rth@redhat.com>
3968
3969         * function.h (struct function): Remove dont_emit_block_notes.
3970         * gimple-low.c (lower_function_body): Don't set it.
3971         * cfgexpand.c (expand_block): Don't check it.
3972         * cfglayout.c (insn_locators_initialize): Likewise.
3973         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
3974         * passes.c (rest_of_compilation): Likewise.
3975         * stmt.c (expand_start_bindings_and_block): Likewise.
3976         (expand_end_bindings): Likewise.
3977
3978 2004-07-01  Richard Henderson  <rth@redhat.com>
3979
3980         * cgraph.h (cgraph_build_static_cdtor): Declare.
3981         * cgraphunit.c (cgraph_build_static_cdtor): New.
3982         * c-objc-common.c (build_cdtor): Use it.
3983         * coverage.c (create_coverage): Likewise.
3984         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
3985         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
3986
3987 See ChangeLog.11 for earlier changes.