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