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* config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
2
3         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
4         use FPRs for scalar, complex and vector types only.
5
6 2004-09-21 Jeff Law  <law@redhat.com>
7
8         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
9         the opt_stats_d structure.
10         (vrp_data): Change from a varray into a hash table.
11         (vrp_hash_elt): New structure for elements in the vrp hash table.
12         (vrp_hash, vrp_eq):New functions for hashing and testing equality
13         in the vrp hash table.
14         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
15         initialization slightly to make it easier to read.  No longer need
16         to grow/clear the varray.  Instead empty and delete the hash table.
17         (dom_opt_finalize_block): Update due to change of VRP_DATA from
18         a varray to a hash table.
19         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
20
21         * tree-ssa-ccp.c (get_default_value): If we have a constant
22         value recorded for an SSA_NAME, then use that constant as
23         the initial lattice value.
24         (substitute_and_fold): Transfer equivalences discovered into
25         SSA_NAME_EQUIV.
26  
27         * tree.h (SSA_NAME_EQUIV): Add comments.
28         (SET_SSA_NAME_EQUIV): Similarly.
29
30 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
31
32         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
33
34         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
35
36 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
37
38         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
39         (finish_decl): Likewise.
40
41 2004-09-21  Devang Patel  <dpatel@apple.com>
42
43         * tree.def (VEC_COND_EXPR): New tree node.
44         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
45         
46 2004-09-21  Stan Shebs  <shebs@apple.com>
47
48         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
49         * config/rs6000/darwin-world.asm: Likewise.
50         
51 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
52
53         * tree-ssa.c (verify_def): Use print_generic_stmt,
54         not debug_generic_stmt.
55         (verify_use): Ditto.
56         (verify_phi_args): Ditto.
57         (verify_ssa): Ditto.
58
59 2004-09-21  Paul Brook  <paul@codesourcery.com>
60
61         * varasm.c (default_assemble_integer): Return false for values wider
62         than the target word size.  Works around GAS bug.
63
64 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
65
66         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
67         gets value 0.
68         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
69         if it has value 0.
70
71 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
72
73         * c-typeck.c (build_function_call): Give name of object
74         we are attempting to call in error message.
75         * c-objc-common.c (c_tree_printer): Call pp_expression,
76         not return false, for 'E' case.
77
78 2004-09-21  Steven Bosscher  <stevenb@suse.de>
79
80         PR rtl-optimization/17482
81         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
82         load_killed_in_block_p): Clarify comments.
83         (record_last_reg_set_info): Make static inline.
84         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
85         (record_opr_changes): New function to replace the above.
86         (compute_hash_table): Clarify comments.  Use record_opr_changes.
87         (reg_set_between_after_reload_p): Clean up.
88         (reg_used_between_after_reload_p): Likewise.
89         (eliminate_partially_redundant_load): Clarify comments.
90
91 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
92
93         PR rtl-optimization/17266
94         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
95
96 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
97
98         PR rtl-optimization/14851
99         * rtlanal.c (commutative_operand_precedence): Calculate
100         precedence of stripped constant.
101
102 2004-09-20 Jeff Law  <law@redhat.com>
103            Jan Hubicka  <jh@suse.cz>
104
105         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
106         initialize key elements here.
107         (release_ssa_name): Zero the released SSA_NAME here.
108         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
109         (struct tree_ssa_name): Add new "equiv" field.
110         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
111         (tree_ssa_dominator_optimize): No longer allocate, resize or
112         clear CONST_AND_COPIES.
113         (get_value_for, set_value_for): Kill.
114         (thread_across_edge): Get/set the equivalency using
115         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
116         (restore_vars_to_original_value): Likewise.
117         (record_equivalences_from_phis): Likewise.
118         (record_dominating_conditions): Likewise.
119         (record_const_or_copy, record_equality): Likewise.
120         (lookup_avail_expr): Likewise.
121         (record_equivalences_from_stmt, cprop_operand): Likewise.
122         (cprop_into_successor_phis): No longer need to pass around
123         CONST_AND_COPIES.  Callers updated. Get equivalences via
124         SSA_NAME_EQUIV.
125         (cprop_into_phis): Likewise.
126
127 2004-09-20  Matt Austern <austern@apple.com>
128             Zack Weinberg  <zack@codesourcery.com>
129
130         * c-common.c (fix_string_type): Build the unqualified array
131         type unconditionally, then use c_build_qualified_type to get
132         the proper const-qualified variant, and set its
133         TYPE_MAIN_VARIANT to refer to the unqualified type.
134         * c-lex.c (c_lex_return_raw_string): New global.
135         (c_lex_with_flags): Honor it.
136         * c-pragma.h: Declare it.
137
138 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
139
140         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
141
142 2004-09-21  Jan Hubicka  <jh@suse.cz>
143
144         PR middle-end/17126
145         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
146         (tree_rest_of_compilation): Cleanup.
147
148 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
149
150         * config/s390/s390.c (s390_select_rtx_section): Remove.
151         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
152
153 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
154
155         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
156         note to pretend a direct save from the original register when an
157         intermediate register is used for the save.
158
159 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
160
161         * tsystem.h (alloca): Provide a default definition.
162
163         Revert:
164         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
165             * unwind-dw2.c: Call __builtin_alloca, not alloca.
166
167 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
168
169         PR tree-opt/17558
170         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
171         aliasing sets are the same rather than just conflicting.
172
173 2004-09-20  Jan Hubicka  <jh@suse.cz>
174
175         PR middle-end/16460
176
177         * cgraph.c (cgraph_unnest_node): New function.
178         (c_finalize): Rename to ....
179         (c_warn_unused_result_recursivly): ... this one; do only the warning
180         (finish_function): Finalize the toplevel function; do not lower nested tree.
181         * cgraph.h (cgraph_unnest_node): Declare.
182         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
183         nestedness datastructure.
184         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
185         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
186         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
187
188 2004-09-20  Richard Henderson  <rth@redhat.com>
189
190         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
191         from some_small_symbolic_operand_1; export.
192         (some_small_symbolic_operand): Remove.
193         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
194         extra C check.
195         * config/alpha/predicates.md (some_small_symbolic_operand): New.
196
197 2004-09-20  Jan Hubicka  <jh@suse.cz>
198
199         * predict.c (return_prediction): New function.
200         (apply_return_prediction): Likewise.
201         (tree_bb_level_predictions): Likewise.
202         (tree_estimate_probability): Add noreturn exit edges; call
203         bb_level_predictions; fix logic of return heuristics.
204         (predict_paths_leading_to):  Rescuesce from old CVS version of
205         process_note_prediction function.
206         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
207
208 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
209
210         * config/s390/s390.c (s390_frame_info): Added alignment statement for
211         floating point register area on stack.
212
213 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
214
215         * predict.c (expr_expected_value): Use *_CLASS_P macros.
216
217 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
218
219         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
220         generating useless garbage.
221
222 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
223
224         * builtins.c (fold_builtin): Call the new omonymous
225         target hook for machine-dependent built-ins.
226         * target-def.h (TARGET_FOLD_BUILTIN): New.
227         * target.h (struct gcc_target): Add the fold_builtin hook.
228         * targhooks.c (default_fold_builtin): New.
229         * targhooks.h (default_fold_builtin): Declare it.
230
231 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
232
233         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
234         comment typos.
235
236 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
237
238         PR target/17565
239         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
240
241 2004-09-20  Jan Hubicka  <jh@suse.cz>
242
243         * predict.c (estimate_probability): Remove unnecesary code.
244
245 2004-09-19  Ira Rosen  <irar@il.ibm.com>
246
247         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
248         (STMT_VINFO_VECT_DR_BASE): Declare.
249         (VECT_SMODULO): Declare.
250         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
251         (vect_compute_array_base_alignment): New function.
252         (vect_analyze_data_ref_access): Check array indices. Remove one
253         dimensional arrays restriction.
254         (vect_get_ptr_offset): New function.
255         (vect_get_symbl_and_dr): New function.
256         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
257         (former name vect_get_base_decl_and_bit_offset).
258         (vect_create_index_for_array_ref): Removed.
259         (vect_create_index_for_vector_ref): New function.
260         (vect_create_addr_base_for_vector_ref): New function.
261         (vect_create_data_ref): Handle additional data refs. Call
262         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
263         (vect_compute_data_ref_alignment): Support the changes. Call
264         vect_get_base_and_bit_offset.
265         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
266         data refs. Store vect_dr_base.
267         (vect_analyze_data_ref_accesses): Support nonconstant init.
268         (new_stmt_vec_info): Initialize vect_dr_base field.
269         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
270         (get_vectype_for_scalar_type): Check for BLKmode.
271         * tree-chrec.h (initial_condition_in_loop_num): Declare.
272         * tree-chrec.c (initial_condition_in_loop_num): New function.
273         (chrec_component_in_loop_num): New function.
274         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
275         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
276         to be pointer to varray_type.
277
278 2004-09-19  Jan Hubicka  <jh@suse.cz>
279
280         * basic-block.h (update_bb_profile_after_threading): Declare.
281         * cfg.c (update_bb_profile_after_threading): Break out from ...
282         * cfgcleanup.c (try_forward_edges): ... here; use it.
283         * tree-ssa-dom.c (thread_across_edge): Use it.
284         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
285         profile of the new BB.
286
287 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
288
289         * tree-ssa-pre.c (insert_into_set): Don't put
290         is_gimple_min_invariant values into the set.
291
292 2004-09-19  Andreas Jaeger  <aj@suse.de>
293
294         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
295         prototype.
296
297 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
298
299         * config/cris/cris.h: Preserve the original spelling in a
300         quote.
301
302 2004-09-18 Jeff Law  <law@redhat.com>
303
304         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
305         global varrays to replace the block local varrays.
306         (struct dom_walk_block_data): Remove, no longer used.
307         (get_eq_expr_value): No longer need to pass around pointers to local
308         varrays.  Callers updated.  Unused markers added to unused parameters.
309         (record_range, record_equivalences_from_stmt): Likewise.
310         (record_equivalences_from_incoming_edge): Likewise.
311         (record_var_is_nonzero): Likewise.  Update now that we have a
312         single global varray of SSA_NAMEs that need restoring.
313         (dom_opt_initialize_block_local_data): Kill, no longer used.
314         (tree_ssa_dominator_optimize): Initialize new global varrays.
315         Update callbacks in dominator walker structure.
316         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
317         VRP_VARIABLES_STACK.
318         (restore_nonzero_vars_to_original_value): Update now that we have
319         a single global varray of SSA_NAMEs that need restoring.
320         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
321         Remove unused variables.
322         (optimize_stmt): Remove unused variable.
323
324 2004-09-18  Jan Hubicka  <jh@suse.cz>
325
326         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
327
328         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
329         verify_cgraph call.
330
331 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
332
333         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
334         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
335         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
336         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
337         tree-ssa-operands.c, tree-ssa-phiopt.c,
338         tree-ssa-threadupdate.c: Fix comment typos.
339
340 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
341
342         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
343         config/arm/README-interworking, config/arm/arm-cores.def,
344         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
345         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
346         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
347         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
348         config/frv/frv.md, config/i386/winnt.c,
349         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
350         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
351         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
352         config/mcore/mcore.c, config/mips/mips.h,
353         config/mn10300/mn10300.md, config/pa/pa.c,
354         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
355         config/rs6000/rs6000.c, config/sh/symbian.c,
356         config/sparc/sparc.h: Fix comment typos.  Follow spelling
357         conventions.
358
359 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
360
361         PR c/17424
362         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
363
364 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
365
366         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
367         remove TREE_ADDRESSABLE from RESULT_DECL.
368
369 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
370
371         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
372
373 2004-09-18  Jan Hubicka  <jh@suse.cz>
374
375         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
376         NULL.
377         * tree-ssa-alias.c (init_alias_info): Likewise.
378         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
379         (verify_ssa): Likewise.
380         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
381
382 2004-09-18  Jan Hubicka  <jh@suse.cz>
383
384         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
385         huge offset.
386
387 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
388
389         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
390         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
391         DW_EH_PE_sdata* for data.
392         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
393
394 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
395
396         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
397         shared anyway.
398
399         PR pch/13361
400         * c-typeck.c (constructor_asmspec): Delete.
401         (struct initializer_stack): Delete field 'asmspec'.
402         (start_init): Delete saving of asmspec.
403         (finish_init): Don't update constructor_asmspec.
404         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
405         * stmt.c (expand_asm): Duplicate strings from tree.
406         (expand_asm_operands): Likewise.
407         * tree.c (tree_size): Update computation of size of STRING_CST.
408         (make_node): Don't make STRING_CST nodes.
409         (build_string): Allocate string with tree node.
410         (tree_code_size): Clean up assertions, don't allow requests
411         for "the size of a STRING_CST".
412         * tree.def (STRING_CST): Update comment.
413         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
414         (tree_string): Place contents of string in tree node.
415         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
416         from tree.
417
418 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
419
420         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
421         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
422
423 2004-09-17  Jones Desougi  <jones@ingate.com>
424
425         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
426         * configure, config.in: Regenerate.
427
428 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
429
430         * tree.c, tree.h (tree_class_strings): Make array const.
431         Reindent per coding convention.  Move asterisk to proper place
432         per coding convention.
433
434 2004-09-18  Andreas Schwab  <schwab@suse.de>
435
436         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
437         (tree-vectorizer.o): Likewise.
438         (targhooks.o): Likewise.
439
440 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
441             Zack Weinberg  <zack@codesourcery.com>
442
443         * alias.c (find_base_decl): Remove unreachable case '3' block.
444         * expr.c (safe_from_p): Abort if passed a type.
445         * tree-gimple.c (recalculate_side_effects): Abort if passed
446         anything other than an expression.
447         * tree-ssa-pre.c (phi_translate): Return expr immediately if
448         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
449         Abort on un-handled tree classes.
450         (valid_in_set): Likewise.
451         * tree.c (tree_code_class_strings): New static data.
452
453         * tree.h (enum tree_code_class): New.
454         (tree_code_class_strings): Declare.
455         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
456         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
457         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
458         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
459         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
460
461         * tree.def, c-common.def, objc/objc-tree.def: Use
462         tree_code_class enumeration constants instead of code letters.
463
464         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
465         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
466         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
467         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
468         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
469         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
470         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
471         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
472         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
473         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
474         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
475         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
476         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
477         Update to match.
478
479         * LANGUAGES: Add note about change.
480
481 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
482
483         PR tree-optimization/17319
484         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
485         examine pointers on the LHS of an assignment.
486         (collect_points_to_info_r): Handle RETURN_EXPR.
487
488 2004-09-17 Jeff Law  <law@redhat.com>
489
490         * tree-ssa-dom.c (const_and_copies_stack): New.
491         (dom_walk_block_data): Remove const_and_copies field.
492         (record_const_or_copy): No longer need to pass in varray_type *.
493         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
494         Callers updated.
495         (record_equality): Similarly.
496         (restore_vars_to_original_value): Similarly.  Revamp to use new
497         single global stack rather than per-block stacks.
498         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
499         (thread_across_edge): Remove now unused parameters.
500         (dom_opt_initialize_block_local_data): No longer test the block
501         local CONST_AND_COPIES.
502         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
503
504 2004-09-17  Jan Hubicka  <jh@suse.cz>
505
506         PR tree-optimization/17509
507         * tree-optimize.c (update_inlined_to_pointers): New function.
508         (tree_rest_of_compilation): Use it.
509
510 2004-09-17  Devang Patel  <dpatel@apple.com>
511
512         * dbxout.c (get_lang_number): New.
513         (dbxout_init): Include lang number in N_SO  stab.
514         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
515         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
516
517 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
518
519         PR tree-optimization/17273
520         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
521         replacement is a constant.
522
523 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
524
525         * c-tree.h (enum c_typespec_keyword): New.
526         (struct c_declspecs): Adjust description of "type".  Remove
527         specbits, explicit_int_p and explicit_char_p.  Rename
528         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
529         short_p, signed_p, unsigned_p and complex_p.
530         (finish_declspecs): New.
531         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
532         typename): Call finish_declspecs.
533         * c-decl.c (finish_declspecs): New.
534         (declspecs_add_type): Check for combinations which cannot occur in
535         valid specifier lists.  Update comments.
536         (shadow_tag_warned): Remove checks done in finish_declspecs.
537         Don't report useless type name if type defaulted to int.
538         (grokdeclarator): Remove checks and actions done in
539         finish_declspecs.  Don't allow for type being NULL.  Update for
540         datastructures changes.  Initialize decl_attr.
541         (build_null_declspecs, quals_from_declspecs): Update for
542         datastructures changes.
543
544 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
545
546         * doc/extend.texi: Fix duplicated word.
547
548 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
549
550         * doc/invoke.texi: Remove stray explanation on
551         -freduce-all-givs and -fmove-all-movables.
552
553 2004-09-17  James Morrison  <phython@gcc.gnu.org>
554
555         * doc/cfg.texi: Use @smallexample.
556         * doc/md.texi: Likewise.
557         * doc/tree-ssa.texi: Likewise.
558         * doc/extend.texi: Likewise.  Use @r{} in comments.
559         * doc/trouble.texi: Use @r{} in comments.
560
561 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
562
563         * configure.ac (gcc_cv_gld_version): Handle whitespace before
564         "VERSION=".
565         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
566         * configure: Regenerate.
567
568 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
569
570         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
571         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
572         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
573         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
574         slashes in substitutions.
575         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
576
577 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
578
579         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
580         gimplify.c, lambda-code.c, optabs.c, predict.c,
581         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
582         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
583         conventions.
584
585 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
586
587         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
588         doc/extend.texi, doc/install.texi, doc/invoke.texi,
589         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
590         doc/trouble.texi: Use @option around options.
591
592 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
593
594         * Makefile.in (gen-protos.o): Depend on errors.h.
595
596 2004-09-17  Steven Bosscher  <stevenb@suse.de>
597
598         PR tree-optimization/17513
599         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
600         for successors of the entry block.
601
602 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
603
604         PR rtl-optimization/15187
605         * ifcvt.c (noce_try_cmove_arith): Exit early if total
606         insn_rtx_cost of both branches > BRANCH_COST
607
608 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
609
610         PR tree-optimization/17528
611         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
612         erase the may-alias set for a tag when merging it with
613         another.
614
615 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
616
617         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
618         for 32-bit TARGET_SHMEDIA.
619         (call_value): Likewise.
620
621 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
622
623         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
624         test apply only to TREE_STATIC and DECL_EXTERNAL.
625
626 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
627
628         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
629         * basic-block.h (get_dominated_by_region): Declare.
630         * dominance.c (get_dominated_by_region): New function.
631         * tree-cfg.c: Include cfglayout.h.
632         (tree_duplicate_bb): Duplicate also phi nodes.
633         (struct ssa_name_map_entry): New type.
634         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
635         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
636         allocate_ssa_names, rewrite_to_new_ssa_names_def,
637         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
638         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
639         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
640         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
641         rewrite_to_new_ssa_names, allocate_ssa_names,
642         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
643         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
644         (copy_loop_headers): Use tree_duplicate_sese_region.
645
646 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
647
648         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
649
650 2004-09-16 Jeff Law  <law@redhat.com>
651
652         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
653         (rewrite_block_data): Remove, no longer used.
654         (rewrite_initialize_block_local_data): Remove, no longer used.
655         (rewrite_initialize_block): Mark parameters as unused as needed.
656         Change references to the block local block_defs to be block_defs_stack.
657         Push a marker onto the block_defs_stack.
658         (ssa_rewrite_initialize_block): Similarly.
659         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
660         (ssa_register_new_def): No longer needs varray argument.  Use
661         block_defs_stack instead.  No longer handle possibly null block_defs
662         varray.  Reverse order of items we push on the stack to make it
663         easier to identify our marker.
664         (register_new_def): No longer handle possibly null block_defs
665         varray.
666         (rewrite_finalize_block): Revamp to look for markers in the global
667         block_defs_stack varray rather than wiping a block local varray.
668         Mark arguments as unused as needed.
669         (ssa_rewrite_finalize_block): Similarly.
670         (rewrite_into_ssa): Update initialization of dom walker structure
671         to reflect that we don't need block local data anymore.  Initialize
672         the block_defs_stack varray.
673         (rewrite_ssa_into_ssa): Similarly.
674         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
675         (struct dom_walk_data): Kill block_defs field.
676         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
677         (thread_across_edge): Use the global block_defs_stack instead of
678         the old block_defs varray.
679         (dom_opt_initialize_block_local_data): Update now that we don't have
680         block_defs field to check anymore.
681         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
682         (restore_currdefs_to_original_value): Use the new block_defs_stack
683         instead of a block local varray.
684         (dom_opt_finalize_block): Similarly.
685         (record_equivalencs_from_phis): Similarly.
686         (optimize_stmt, register_definitions_for_stmt): Similarly.
687
688 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
689
690         PR tree-optimization/17517
691         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
692         coalesce same-root variables without checking for abnormal PHI usage.
693
694 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
695
696         * cfgloop.h (duplicate_loop):  Add prototype.
697         * cfgloopmanip.c (duplicate_loop): Make non-static.
698         * lambda-code.c (perfect_nestify): Factor out test whether
699         we can handle this loop into separate function.
700         Call it.
701         (can_convert_to_perfect_nest): New function.
702         (replace_uses_of_x_with_y): Add modify_stmt call.
703         * tree-loop-linear.c (linear_transform_loops): Call
704         rewrite_into_loop_closed_ssa and free_df.
705
706 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
707
708         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
709         loop invariant as well.
710         (perfect_nestify): new function.
711         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
712         upper bounds, and steps.
713         Set outerinductionvar properly.
714         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
715         parameters.
716         Return NULL if we need a perfect loop and can't make one.
717         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
718         (not_interesting_stmt): New function.
719         (phi_loop_edge_uses_def): Ditto.
720         (stmt_uses_phi_result): Ditto.
721         (stmt_is_bumper_for_loop): Ditto.
722         (perfect_nest_p): Ditto.
723         (nestify_update_pending_stmts): Ditto.
724         (replace_uses_of_x_with_y): Ditto.
725         (stmt_uses_op): Ditto.
726         (perfect_nestify): Ditto.
727         * lambda-mat.c (lambda_matrix_id_p): New function.
728         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
729         * lambda.h: Update prototypes.
730         * tree-loop-linear (linear_transform_loop): Use new
731         perfect_nest_p. Detect and ignore identity transform.
732         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
733
734 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
735
736         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
737         Gather also strides of accessed data.  Pass in the data references
738         array.
739         (try_interchange_loops): Add a new heuristic for handling the temporal
740         locality.  Pass in the data references array.
741         (linear_transform_loops): Pass the data references array to
742         try_interchange_loops.
743
744 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
745
746         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
747
748 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
749
750         * doc/c-tree.texi (Classes): Remove index entries for
751         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
752
753 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
754
755         * fold-const.c (fold): Fold difference of addresses.
756         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
757         get_inner_reference.
758         * tree-ssa-loop-ivopts.c (peel_address): Removed.
759         (ptr_difference_const): Moved to fold-const.c.
760         (split_address_cost): Use get_inner_reference instead of peel_address.
761         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
762         * tree.h (ptr_difference_const): Export.
763
764         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
765         variable type to the dump.  Fix indentation.
766         (idx_find_step): Handle nonconstant array_ref_element_size and
767         array_ref_low_bound.
768         (idx_record_use): Handle array_ref_element_size and
769         array_ref_low_bound.
770         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
771         statements correctly.
772         (get_computation_at, iv_value): Do not unshare expressions here.
773         (rewrite_use_outer): Unshare the expression before it is emitted
774         to code.
775         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
776         Moved to tree.c.
777         * tree.c (unsigned_type_for, signed_type_for): Moved from
778         tree-ssa-loop-niter.c.  Use langhooks.
779         * tree.h (signed_type_for): Export.
780
781 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
782
783         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
784         prototype.
785
786 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
787
788         PR target/11572
789         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
790         Add two parameters to extra_includes.
791         (C_INCPATH_INIT): Remove.
792         * c-incpath.c (register_include_chains): Call extra_pre_includes
793         before adding the standard include directory.
794         Update call to extra_includes.
795         (!defined TARGET_EXTRA_INCLUDES): Update
796         hook_void_charptr_charptr_int and add !define
797         TARGET_EXTRA_PRE_INCLUDES.
798         (!define TARGET_EXTRA_INCLUDES): Define as
799         hook_void_charptr_charptr_int.
800         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
801         (target_c_incpath): Always declare.
802         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
803         empty function.
804         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
805         * config/darwin.h: (darwin_register_frameworks): Update for
806         the two new parameters.
807         (darwin_register_objc_includes): Add prototype.
808         (TARGET_EXTRA_PRE_INCLUDES): Define.
809         * config/darwin-c.c (darwin_register_objc_includes): New function.
810         (darwin_register_frameworks): Update for the two new parameters.
811         (target_c_incpath): Remove.
812         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
813         the compile line.
814         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
815         parameters.
816         (TARGET_EXTRA_PRE_INCLUDES): Document.
817
818         * gcc.c (spec_function): Add replace-outfile.
819         (replace_outfile_spec_function): New function.
820         * config/darwin.h (LINK_SPEC): Add replace
821         -lobjc with -lobjc-gnu if -fgnu-runtime is
822         supplied.
823         * invoke.texi (replace-outfile): Document.
824
825 2004-09-13  Jan Hubicka  <jh@suse.cz>
826
827         * predict.c (expr_expected_value, strip_builtin_expect): New function.
828         (tree_predict_by_opcode): Use it.
829         (tree_estimate_probability): Add, for now disabled,
830         strip_builtin_expect call.
831
832 2004-09-15  James E Wilson  <wilson@specifixinc.com>
833
834         PR target/17455
835         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
836         if current_function_decl is a sibcall.
837
838 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
839
840         * varasm.c (default_function_rdodata_section): Make sure to pass
841         along a decl for a link-once section.
842
843 2004-09-15  Richard Henderson  <rth@redhat.com>
844
845         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
846         warning with code disable.  Fix formatting.
847
848 2004-09-15  Steven Bosscher  <stevenb@suse.de>
849
850         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
851         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
852         after propagating into an ADDR_EXPR.
853
854 2004-09-15  Andrew Pinski  <apinski@apple.com>
855
856         PR rtl-opt/17427
857         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
858         Move it out of gcc_assert.
859
860 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
861
862         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
863         except.c, fold-const.c, function.c, langhooks.c, params.c,
864         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
865         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
866         for quoting in diagnostics going through pretty-print.c.  Use ''
867         for quoting in other diagnostic text.
868         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
869         translation.
870         * Makefile.in (langhooks.o): Update dependencies.
871         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
872         formats.
873
874 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
875
876         * configure.ac: Check for COMDAT support.  Robustify check for
877         SHF_MERGE support.
878         * configure: Regenerated.
879         * config.in: Likewise.
880         * langhooks-def.h (lhd_comdat_group): New function.
881         (LANG_HOOKS_COMDAT_GROUP): New macro.
882         (LANG_HOOKS_DECLS): Use it.
883         * langhooks.c (lhd_comdat_group): Define.
884         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
885         * output.h (named_section_flags): Make it a macro.
886         (named_section_real): New function.
887         (default_no_named_section): Add decl parameter.
888         (default_elf_asm_named_section): Likewise.
889         (default_coff_asm_named_section): Likewise.
890         (default_pe_asm_named_section): Likewise.
891         * target.h (gcc_target): Adjust type of named_section.
892         * varasm.c (named_section_flags): Rename to named_section_real.
893         Add decl parameter.
894         (default_no_named_section): Add decl parameter.
895         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
896         with the case that ASM_COMMENT_START is "@".
897         (default_coff_asm_named_section): Add decl parameter.
898         (default_pe_asm_named_section): Likewise.
899         * config/alpha/alpha.c (vms_asm_named_section): Add decl
900         parameter.
901         (unicosmk_asm_named_section): Likewise.
902         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
903         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
904         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
905         * config/cris/cris-protos.h (cris_target_asm_named_section):
906         Likewise.
907         * config/cris/cris.c (cris_target_asm_named_section):
908         Likewise.
909         * config/darwin/darwin-protos.h (darwin_asm_named_section):
910         Likewise.
911         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
912         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
913         * config/i386/i386-protos.h (i386_pe_asm_named_section):
914         Likewise.
915         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
916         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
917         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
918         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
919         Likewise.
920         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
921         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
922         * cp/cp-tree.h (cxx_comdat_group): Declare.
923         * cp/decl.c (cxx_comdat_group): New function.
924
925 2004-09-15  Jan Hubicka  <jh@suse.cz>
926
927         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
928         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
929
930         * tree-cfg.c (remove_bb): Release SSA defs.
931
932 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
933
934         * doc/tm.texi: Follow spelling conventions.
935
936 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
937
938         * tree-ssa-dom.c: Fix comment typos.
939
940 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
941
942         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
943         include ccr.
944         (ppc_fallback_frame_state): Save location of CR.
945
946 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
947
948         * expr.c (string_constant): Handle also read-only variables
949         initialized to string literals.
950
951         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
952         into memcpy (x, y, 1) if memcpy can be expanded inline.
953
954 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
955
956         PR tree-optimization/17468
957         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
958         definition inside a block precede uses.
959         * tree-tailcall.c (adjust_return_value): Emit statements in the
960         correct order.
961
962 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
963
964         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
965
966 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
967
968         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
969
970 2004-09-14 Jeff Law  <law@redhat.com>
971
972         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
973         (struct dom_walk_block_data): Remove avail_exprs member.
974         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
975         (lookup_avail_expr): No longer need to pass in address of
976         the block local available exprs stack.  All callers changed.
977         (simplify_cond_and_lookup_avail_expr): Similarly.
978         (simplify_switch_and_lookup_avail_expr): Similarly.
979         (get_eq_expr_value, record_cond): Likewise.
980         (record_dominating_conditions): Likewise.
981         (update_rhs_and_lookup_avail_expr): Likewise.
982         (record_equivalences_from_stmt): Likewise.
983         (dom_opt_initialize_block_local_data): No longer test state of
984         block local avail_exprs.
985         (dom_opt_initialize_block): Mark unwind point in the global
986         avail_expr stack.
987         (remove_expressions_from_table): Update to unwind to the
988         most recent unwind marker in the global avail_expr stack.
989         All callers changed.
990         (dom_opt_finalize_block): Mark unwind point in the global
991         avail_expr stack as needed.
992         (record_cond): Push elements into the global avail_exprs stack.
993
994         * tree-dfa.c (free_df_for_stmt): No longer static.
995         (free_df): Update comments.
996         * tree-flow.h (free_df_for_stmt): Prototype.
997         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
998         call release_defs.
999
1000 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
1001
1002         PR tree-optimization/17252
1003         * tree-ssa-alias.c (may_alias_p): Don't assume that a
1004         pointer may not point to itself when using relaxed
1005         aliasing rules.
1006
1007 2004-09-14  Richard Henderson  <rth@redhat.com>
1008
1009         PR middle-end/17397
1010         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
1011         while folding <ADDR_EXPR <INDIRECT_REF X>>.
1012
1013 2004-09-14  Andrew Pinski  <apinski@apple.com>
1014
1015         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
1016         sets of the pointers but the aliasing sets of what they point to.
1017
1018 2004-09-14  Roger Sayle  <roger@eyesopen.com>
1019
1020         PR rtl-optimization/9771
1021         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
1022         conditional compilation in init_reg_sets_1.
1023         (init_reg_sets_1): Let global_regs[i] take priority over the frame
1024         (but not stack) pointer exceptions to regs_invalidated_by_call.
1025         (globalize_reg): Globalizing a fixed register may need to update
1026         regs_invalidated_by_call.
1027
1028 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
1029
1030         PR tree-optimization/15262
1031         * tree-dfa.c (dump_variable): Also print the type of the
1032         variable.
1033         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
1034         memory tags are of conflicting alias sets but have no aliased
1035         symbols in common, add one tag to the alias set of the other.
1036         (setup_pointers_and_addressables): Remove hack to deal with
1037         programs with no aliased symbols.
1038         (may_alias_p): Don't special case aggregate types.
1039
1040 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
1041
1042         PR c/15498
1043         * doc/invoke.texi (Environment Variables): Correct example locale.
1044
1045 2004-09-14  Jan Hubicka  <jh@suse.cz>
1046
1047         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
1048
1049 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
1050
1051         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
1052
1053 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
1054
1055         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
1056         restrict_p.
1057         (struct c_declarator): Change u.array.quals and pointer_quals to
1058         int.  Add u.array.attrs.
1059         (quals_from_declspecs): New.
1060         * c-decl.c (quals_from_declspecs): New.
1061         (shadow_tag_warned): Give more specific message for useless type
1062         qualifiers.
1063         (build_array_declarator, set_array_declarator_inner,
1064         grokdeclarator, make_pointer_declarator, build_null_declspecs,
1065         declspecs_add_qual): Update for changed structures.
1066
1067 2004-09-14  Jeff Law  <law@redhat.com>
1068
1069         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
1070         to a global varray.
1071         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
1072         (dom_opt_initialize_block_local_data): No longer test state
1073         of stmts_to_rescan.
1074         (dom_opt_finalize_block): Update due to change in scope of
1075         stmts_to_rescan.
1076         (optimize_stmt): Similarly.
1077
1078 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1079
1080         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
1081         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
1082         comment typos.  Follow spelling conventions.
1083
1084 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1085
1086         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
1087         config/i386/predicates.md, config/sparc/sparc.c: Follow
1088         spelling conventions.
1089
1090 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1091             Steven Bosscher  <stevenb@suse.de>
1092
1093         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
1094         * basic-block.h (struct reorder_block_def): Add copy_number field.
1095         * cfgloop.h (biv_p): Declare.
1096         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
1097         * common.opt (fsplit-ivs-in-unroller): New flag.
1098         * loop-iv.c (biv_p): New function.
1099         * loop-unroll.c: Include hashtab.h and recog.h.
1100         (struct iv_to_split, struct split_ivs_info): New types.
1101         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
1102         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
1103         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
1104         insert_base_initialization, split_iv): New functions.
1105         (peel_loop_completely, unroll_loop_constant_iterations,
1106         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
1107         Use them.
1108         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
1109
1110 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1111
1112         * tree-cfg.c (thread_jumps): Update dominators correctly in
1113         case destination of threaded edge dominates its source.
1114
1115 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1116
1117         * unroll.c: Removed.
1118         * loop.h: Removed.
1119         * Makefile.in (LOOP_H, unroll.o): Removed.
1120         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
1121         dependency.
1122         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
1123         reference.
1124         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
1125         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
1126         * loop.c: Do not include loop.h.
1127         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
1128         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
1129         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
1130         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
1131         struct loop_regs, struct loop_movables, struct loop_info): Moved
1132         from loop.h.
1133         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
1134         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
1135         find_common_reg_term, loop_iterations, final_giv_value): Moved
1136         from unroll.c.
1137         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
1138         loop_dump_stream, for_each_insn_in_loop, express_from,
1139         extend_value_for_giv, loop_iv_add_mult_emit_before,
1140         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
1141         loop_insn_first_p, get_condition_for_loop,
1142         loop_insn_emit_before, loop_insn_hoist,
1143         loop_insn_sink): Made static.
1144         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
1145         reference.
1146         (strength_reduce): Do not call unroller.
1147         (record_giv): Do not initialize unrolled field.
1148         (prescan_loop): Do not set loop_info->preconditioned.
1149         * passes.c: Do not include loop.h.
1150         (rest_of_handle_loop_optimize): Do not call unroller.
1151         * predict.c: Do not include loop.h.
1152         * rtl.h (NOTE_PRECONDITIONED): Removed.
1153         * stmt.c: Do not include loop.h.
1154         * toplev.c: Do not include loop.h.
1155         (process_options): Do not handle flag_old_unroll_loops.
1156
1157         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
1158         Documentation removed.
1159         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
1160
1161 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
1162
1163         * Makefile.in (STAGE1_CHECKING): New variable.
1164         (stage1_build): Use it.
1165         * tree-ssa.c (verify_ssa): Preserve state of dominance
1166         information.
1167
1168 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
1169
1170         * config/i386/i386.c (output_fp_compare): Add generation
1171         of ftst instruction.
1172         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
1173         Use output_fp_compare () function.
1174         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
1175         (fix_truncdi_memory): Remove operands[5] copy.
1176
1177 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1178
1179         * config/m32r/m32r.md, config/m68k/m68kelf.h,
1180         config/mcore/mcore.md, config/rs6000/linux64.h,
1181         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
1182         typos.
1183
1184 2004-09-13  James E Wilson  <wilson@specifixinc.com>
1185
1186         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
1187         * gen-protos.c: Include errors.h.
1188         (progname): Delete.
1189
1190 2004-09-14  Jan Hubicka  <jh@suse.cz>
1191
1192         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
1193         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
1194         (predict_loops): Use number_of_iterations_exit to predict
1195         number of iterations on trees.
1196
1197 2004-09-13  Dale Johannesen  <dalej@apple.com>
1198
1199         PR 17408
1200         PR 17409
1201         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
1202         objects declared extern.
1203
1204 2004-09-14  Paul Brook  <paul@codesourcery.com>
1205
1206         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
1207         HOST_WIDE_INT.
1208
1209 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
1210
1211         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
1212         Only use TYPE_BINFO for aggregates.
1213
1214 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
1215
1216         * expmed.c (synth_mult): Initialize latency.  Check cost before
1217         checking ops count.
1218
1219 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
1220
1221         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
1222         add_call_clobber_ops and add_call_read_ops.
1223         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
1224         the number of vdefs and vuses inserted based on analysis of global
1225         variables across calls.  * tree-dfa.c (find_referenced_vars):
1226         Needed to reset static var maps before each function is compiled.
1227         * cgraphunit.c:
1228         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
1229         static_vars_info,functions_to_static_vars_info,module_statics_escape,
1230         all_module_statics,searchc_env,dfs_info): New fields to support
1231         analysis of static global variables.
1232         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
1233         cgraph_reset_static_var_maps, get_global_static_vars_info,
1234         get_global_statics_not_read, get_global_statics_not_written,
1235         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
1236         check_rhs_var, check_lhs_var, get_asm_expr_operands,
1237         process_call_for_static_vars, scan_for_static_refs,
1238         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
1239         clear_static_vars_maps, cgraph_propagate_bits,
1240         cgraph_characterize_statics): New. Functions to support analysis
1241         of static global variables.
1242         (cgraph_mark_local_and_external_functions): Renamed from:
1243         (cgraph_mark_local_functions)
1244         (cgraph_expand_all_functions): Remove call to
1245         cgraph_mark_local_and_external_functions.
1246         (cgraph_optimize): Added driver to analyze static variables whose
1247         scope is within the compilation unit.  * cgraph.h (struct
1248         cgraph_local_info, GTY): Added statics_read, statics_written,
1249         local, calls_read_all, calls_write_all, for_functions_valid.
1250         (struct cgraph_node): Added next_cycle.  * cgraph.c
1251         (dump_cgraph_node): Added print routines for new fields.  *
1252         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
1253         list.
1254
1255 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
1256
1257         * c-decl.c (grokdeclarator): Correct comments about where storage
1258         class specifiers are rejected by grammar and add corresponding
1259         asserts.  Diagnose typedefs and parameters declared inline.
1260         Change warning for inline main to a pedwarn.  Only diagnose inline
1261         main if hosted.
1262         (declspecs_add_scspec): Allow duplicate "inline".
1263
1264 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
1265
1266         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
1267         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1268
1269 2004-09-13  Richard Henderson  <rth@redhat.com>
1270
1271         PR 17436
1272         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
1273         (tree_type): Replace spare with contains_placeholder_bits.
1274         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
1275         make static.  Remove seen_types list.
1276         (type_contains_placeholder_p): New.
1277
1278 2004-09-13  James E Wilson  <wilson@specifixinc.com>
1279
1280         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
1281         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
1282         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
1283         bdesc_arrays instead of mips_bdesc.
1284         (mips_init_builtins): Likewise.
1285         * config/mips/mips.h (TARGET_SB1): New.
1286         (HAVE_SQRT_P): Delete.
1287         * config/mips/mips.md (divide_condition): Support V2SF.
1288         (sqrt_condition, recip_condition): New.
1289         (div<mode>3): Use ANYF instead of SCALARF.
1290         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
1291         MODE.
1292         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
1293         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
1294         instead of MODE.
1295         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
1296         instead of SCALARF.  Use UNITMODE instead of MODE.
1297
1298 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
1299
1300         * config.in: Regenerate after removal of libbanshee.
1301
1302 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
1303
1304         PR tree-optimization/17400
1305         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1306         coalesce partitions when one occurs in an abnormal PHI.
1307
1308 2004-09-13  Andrew Pinski  <apinski@apple.com>
1309
1310         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
1311         name to _new_size.
1312
1313 2004-09-13  Richard Henderson  <rth@redhat.com>
1314
1315         PR inline-asm/6806
1316         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
1317         (cselib_invalidate_rtx_note_stores): New.
1318         (cselib_record_sets, cselib_process_insn): Update to match.
1319         * cselib.h (cselib_invalidate_rtx): Declare.
1320         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
1321
1322 2004-09-13  Richard Henderson  <rth@redhat.com>
1323
1324         PR tree-opt/10528
1325         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
1326         after copying its argument.
1327
1328 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
1329
1330         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
1331         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
1332         in diagnostics.  Use %' for English apostrophes.
1333         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
1334         (pedwarn_c90, pedwarn_c99): Use it.
1335         * c-decl.c (lookup_label): Quote label name in diagnostic.
1336         * c-parse.in (yyprint): Use ' instead of ` for left quote.
1337         * c-typeck.c (warn_for_assignment): Likewise.
1338
1339 2004-09-13  Jan Hubicka  <jh@suse.cz>
1340
1341         * i386.c (x86_schedule): New global variable.
1342         (override_options): Disable scheduling when not supported.
1343         * i386.h (x86_schedule): Declare.
1344         (TARGET_SCHEDULE): New macro.
1345
1346 2004-09-12  Richard Henderson  <rth@redhat.com>
1347
1348         PR c++/16254
1349         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
1350         * tree.c, tree.h (has_cleanups): Remove.
1351
1352 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1353
1354         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
1355         arguments of the phi nodes correctly.
1356
1357 2004-09-12  Jan Hubicka  <jh@suse.cz>
1358
1359         * ggc-common.c (cmp_statistics): Fix sorting.
1360
1361 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
1362
1363         PR target/16795
1364         * expmed.c (expand_divmod): If cheap power of 2 divide is
1365         available, use it for negative constant as well.
1366
1367 2004-09-12  Andrew Pinski  <apinski@apple.com>
1368
1369         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
1370         size of 0.
1371
1372         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
1373
1374 2004-09-12  Richard Henderson  <rth@redhat.com>
1375
1376         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
1377         or minus one.
1378         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
1379         post-reload, and scratch NULL.
1380         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
1381         (x86_shift_adj_2): Use ix86_expand_clear.
1382         (ashldi3): Remove CMOVE expansion difference.
1383         (ashldi3_1): Remove.
1384         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
1385         add constraints for immediates.  New peephole for split-with-temp.
1386         Run splitter after peep2 pass.
1387         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
1388         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
1389         (setcc_2): Rename with *.
1390         * config/i386/predicates.md (reg_or_pm1_operand): New.
1391         (ashldi_input_operand): New.
1392
1393 2004-09-12  Richard Henderson  <rth@redhat.com
1394
1395         * print-rtl.c (print_decl_name): New.
1396         (print_mem_expr): Use it.
1397
1398 2004-09-12  Richard Henderson  <rth@redhat.com
1399
1400         PR 17186, part deux
1401         * except.c (sjlj_emit_function_exit): Fix logic locating
1402         sjlj_exit_after in final block.
1403
1404 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
1405
1406         * common.opt: Remove flags -fmove-all-movables and
1407         -freduce-all-givs.
1408         * loop-invariant.c (find_invariants_to_move):
1409         Remove all uses of flag_move_all_movables.
1410         * loop.c (move_movables): Remove all uses of
1411         flag_move_all_movables.
1412         (strength_reduce): Remove all uses of
1413         flag_reduce_all_givs.
1414         * doc/invoke.texi: Remove documentation of flags
1415         -fremove-all-movables and -freduce-all-givs.
1416
1417 2004-09-11  Roger Sayle  <roger@eyesopen.com>
1418
1419         PR middle-end/17411
1420         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
1421         change. elt->type may be a floating point type, so use fold_convert.
1422
1423 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
1424
1425         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
1426         the thing referenced as used, not the stub itself.
1427
1428 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1429
1430         * c-tree.h (enum c_storage_class): New.
1431         (struct c_declspecs): Add storage_class, inline_p and thread_p.
1432         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
1433         declarations and "auto" or "register" in file scope empty
1434         declarations.  Give more specific warnings for other cases of
1435         storage class specifiers in empty declarations.
1436         (grokdeclarator): Update for new structures.  Don't check for
1437         multiple storage classes.  Diagnose file-scope "register" if
1438         pedantic.
1439         (build_null_declspecs): Update.
1440         (declspecs_add_scspec): Update.  Diagnose multiple storage class
1441         specifiers and invalid uses of "__thread".
1442
1443 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
1444
1445         * tree.c (tree_code_size): New function, bulk of code from tree_size.
1446         (tree_size, make_node): Use it.
1447         * tree-ssa-pre.c (init_pre): Use it.
1448         * tree.h: Prototype it.
1449
1450 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1451
1452         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
1453         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
1454         redirect_immediate_use): Use PHI_DF.
1455         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
1456         (bb_for_stmt): Use PHI_BB.
1457         (get_immediate_uses): Use PHI_DF.
1458         * tree-ssa-dse.c (max_stmt_uid): New variable.
1459         (get_stmt_uid): New function.
1460         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
1461         node annotations.
1462         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
1463         (max_uid): Renamed to max_stmt_uid.
1464         (get_stmt_uid): New function.
1465         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
1466         phi node annotations.
1467         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
1468         * tree.h (PHI_BB, PHI_DF): New accessor functions.
1469         (struct tree_phi_node): Add bb and df fields.
1470
1471 2004-09-11  Richard Henderson  <rth@redhat.com>
1472
1473         PR middle-end/17416
1474         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
1475         in conflict loop.
1476
1477 2004-09-11  Jan Hubicka  <jh@suse.cz>
1478
1479         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
1480         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
1481         * i386.md (i387_cw): Add 'uninitialized' mode.
1482
1483         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
1484         (output_location): Break out from ....
1485         (branch_prob): ... here; handle gcov output on trees.
1486         * toplev.c (process_options): No longer be sorry about coverage for
1487         trees.
1488
1489 2004-09-11  Steven Bosscher  <stevenb@suse.de>
1490
1491         PR c++/17412
1492         * fold-const.c (fold): Do not try to fold the operand of a
1493         CLEANUP_POINT_EXPR if that operand does itself not have any
1494         operands.
1495
1496         PR middle-end/17417
1497         * langhooks.c (lhd_decl_printable_name): Make sure that this
1498         function is called with is a decl node that has an identifier.
1499         * tree-pretty-print.c (dump_function_name): New function to
1500         wrap PRINT_FUNCTION_NAME and dump_decl_name.
1501         (print_call_name): Use it.
1502
1503 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
1504
1505         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
1506         "config.h" if not.
1507
1508 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
1509
1510         * tree-ssa-alias.c (collect_points_to_info_r): Handle
1511         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
1512         to OFFSET.
1513
1514 2004-09-11  Richard Henderson  <rth@redhat.com>
1515
1516         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
1517         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
1518         operand of the ADDR_EXPR.
1519         (expand_expr_real_1): Update to match.
1520
1521 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
1522
1523         PR target/17277
1524         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
1525         choose 64-bit version.
1526
1527 2004-09-11  Richard Henderson  <rth@redhat.com>
1528
1529         PR c/17396
1530         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
1531
1532 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
1533
1534         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
1535         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
1536         Insert @: after i.e. or e.g.
1537
1538 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
1539
1540         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
1541         D.xxx rather than <Dxxx>.
1542
1543 2004-09-10  Adam Nemet  <anemet@lnxw.com>
1544
1545         * configure.ac (AC_MSG_CHECKING(what linker to use)):
1546         in_tree_ld_is_elf should be true for LynxOS.
1547         * configure: Regenerate.
1548
1549 2004-09-10  Adam Nemet  <anemet@lnxw.com>
1550
1551         * Makefile.in (all.cross): Add srcextra.
1552
1553 2004-09-10  Roger Sayle  <roger@eyesopen.com>
1554
1555         PR middle-end/17024
1556         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
1557         floating point comparison operators.  Change aborts to gcc_asserts.
1558
1559 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
1560
1561         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
1562
1563 2004-09-10  James E Wilson  <wilson@specifixinc.com>
1564
1565         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
1566         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
1567
1568         * convert.c (convert_to_vector): Replace recursive call with
1569         error_mark_node.
1570
1571         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
1572         Add integer argument named constant.  Use const_tiny_rtx instead of
1573         CONST0_RTX.
1574         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
1575         and CONST1_RTX.
1576         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
1577         vector types.
1578         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
1579         of gen_rtx_raw_CONST_VECTOR.
1580
1581 2004-09-10  Eric Christopher  <echristo@redhat.com>
1582
1583         PR c/16046
1584         * c-parse.in (attribute): Add NULL_TREE for error case
1585         for error recovery.
1586
1587 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
1588
1589         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
1590         (extract_interface_info): Delete prototype.
1591         * c-decl.c (extract_interface_info): Delete stub.
1592         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
1593         it's not already been done ...
1594         (init_c_lex): ... not here.
1595         (fe_file_change): Don't call extract_interface_info.
1596
1597 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1598
1599         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
1600         typedef_p and typedef_signed_p.
1601         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
1602         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
1603         Check typedef_p and typedef_signed_p, not typedef_decl.
1604         (grokfield): Check typedef_p, not typedef_decl.
1605         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
1606         not typedef_decl.
1607         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
1608         typedef_decl.
1609
1610 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1611
1612         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
1613
1614 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
1615
1616         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
1617         temporary variables.
1618
1619         * dbxout.c (dbxout_block): Update for
1620         current_function_func_begin_label a string.
1621         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
1622         * except.c (dw2_output_call_site_table): Likewise.
1623         * toplev.c (current_function_func_begin_label): Likewise.
1624         * tree.h (current_function_func_begin_label): Likewise.
1625         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
1626
1627         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
1628         loop.
1629
1630         * config/darwin.c: Include target.h.
1631         (struct machopic_indirection): Make ptr_name a string.
1632         (machopic_indirection_hash): Update for ptr_name a string.
1633         (machopic_indirection_eq): Likewise.
1634         (machopic_indirection_name): Likewise.
1635         (machopic_output_indirection): Likewise.
1636         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
1637         string.  Don't expect stub names to be in the identifier hash table.
1638         Do call strip_name_encoding before looking up entry in ID hash table.
1639         * config/t-darwin (darwin.o): Add target.h to dependencies.
1640
1641         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
1642         of fprintf for register names.
1643
1644         * output.h (unlikely_section_label): Delete declaration.
1645         (unlikely_text_section_name): Likewise.
1646         * varasm.c (unlikely_section_label_printed): Make static.
1647         (unlikely_section_label): Likewise.
1648         (unlikely_text_section_name): Likewise.
1649         (assemble_start_function): Use reconcat.
1650
1651         * rtl.def (REG): Add comment to describe third field.
1652
1653 2004-09-10  Andrew Pinski  <apinski@apple.com>
1654
1655         * config/darwin.c (machopic_mcount_stub_name): Call
1656         machopic_indirection_name instead of making the string
1657         ourselves.
1658
1659 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
1660
1661         Revert
1662
1663         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
1664
1665             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
1666             memory tag is call clobbered, so are its aliases.
1667             (group_aliases): When two memory tags being grouped, if one is
1668             call clobbered, so are the other and its aliases.
1669             (add_may_alias): Remove call-clobbering stuff.
1670             (replace_may_alias): Likewise.
1671             (merge_pointed_to_info): Merge pt_global_mem
1672
1673 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1674
1675         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
1676         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
1677         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
1678         tree-scalar-evolution.c, tree-ssa-copyrename.c,
1679         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
1680
1681 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
1682
1683         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
1684         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
1685         pair.  Remove match_dup from inputs.  Remove masaccs handling.
1686         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
1687         (masaccs, mdasaccs): Turn into define_insns.
1688
1689 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
1690
1691         * tree-tailcall.c (process_assignment): Only do accumulator transforms
1692         for floating-point types if flag_unsafe_math_optimizations.
1693
1694 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1695
1696         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
1697         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
1698         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
1699         config/h8300/h8300.md, config/i386/gmm_malloc.h,
1700         config/ia64/ia64.md, config/ip2k/libgcc.S,
1701         config/mips/mips-ps-3d.md, config/mips/mips.c,
1702         config/rs6000/rs6000.c, config/s390/s390.c,
1703         config/sh/symbian.c: Fix comment typos.
1704
1705 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1706
1707         * config/s390/s390.c (s390_emit_prologue): Added missing
1708         "{}" brackets.
1709
1710 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1711
1712         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
1713         typos.  Follow spelling conventions.
1714
1715 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
1716
1717         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
1718         in diagnostic.  Don't dereference NULL TYPE_NAME.
1719
1720 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1721
1722         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
1723         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
1724         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
1725         value-prof.c: Fix comment typos.  Follow spelling conventions.
1726
1727 2004-09-10  Jan Hubicka  <jh@suse.cz>
1728
1729         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
1730         * tree-split_edge.c (tree_split_edge): Likewise.
1731         (thread_jumps): Likewise.
1732
1733 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1734
1735         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
1736         typos.
1737
1738 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
1739
1740         * cgraph.h (cgraph_dump_file): Do not declare.
1741         * cgraphunit.c (cgraph_dump_file): Declare as static.
1742         (init_cgraph): New.
1743         * toplev.c (cgraph_dump_file): Do not declare.
1744         (compile_file): Call init_cgraph.
1745         * tree-dump.c (dump_files): Add IPA dump file, remove
1746         XML dump of call graph.
1747         (get_dump_file_name): Support IPA dump file naming scheme.
1748         * tree.h (enum tree_dump_index): Add IPA dump file, remove
1749         XML dump of call graph.
1750         * doc/invoke.texi (Debugging Options): Document the new options.
1751
1752 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
1753
1754         * doc/extend.texi: Document the FR-V built-in functions.
1755
1756 2004-09-09  James E Wilson  <wilson@specifixinc.com>
1757
1758         * doc/sourcebuild.texi: Delete libbanshee reference.
1759
1760 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
1761
1762         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
1763
1764 2004-09-09  James E Wilson  <wilson@specifixinc.com>
1765
1766         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
1767         before calling vector_types_convertible_p.
1768         (digest_init): Check that inside_init has VECTOR_TYPE before calling
1769         vector_types_convertible_p.  Don't give another error if
1770         convert_for_assignment returns error_mark_node.
1771
1772 2004-09-09  Roger Sayle  <roger@eyesopen.com>
1773
1774         PR middle-end/17055
1775         * fold-const.c (build_zero_vector): New function to construct a
1776         vector (either floating point or integer) of zeros.
1777         (fold_convert): Internally, enable conversions of integer zero
1778         to arbitrary vector types, using the new build_zero_vector.
1779
1780 2004-09-09  Roger Sayle  <roger@eyesopen.com>
1781
1782         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
1783         expand a left shift by an immediate constant as either an ashl or
1784         a sequence of additions.
1785         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
1786         instead of calling gen_ashlsi3 with a constant directly.
1787
1788 2004-09-09  Roger Sayle  <roger@eyesopen.com>
1789
1790         * config/i386/i386.c (ix86_split_long_move): When optimizing for
1791         size, and the low and high parts of a DImode constant are equal,
1792         copy one register to another instead of loading the same immediate
1793         value twice.
1794
1795 2004-09-09  Richard Henderson  <rth@redhat.com>
1796
1797         PR middle-end/17367
1798         * function.c (assign_parm_setup_block): Only put PARALLELs into
1799         a register if use_register_for_decl.
1800
1801 2004-09-09  Eric Christopher  <echristo@redhat.com>
1802
1803         * ra-colorize.c (reset_lists): Move variable declaration inside
1804         ENABLE_CHECKING to avoid unused variable warnings when
1805         not --enable-checking.
1806         (check_colors): Ditto.
1807
1808 2004-09-09  Mike Stump  <mrs@apple.com>
1809
1810         * version.c (version_string): Bump to 4.0.0.
1811         * doc/include/gcc-common.texi (version-GCC): Likewise.
1812
1813 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
1814
1815         * doc/extend.texi (nothrow attribute): The attribute is not
1816         implemented in 3.2 and earlier.
1817
1818 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
1819
1820         * genrecog.c (compute_predicate_codes): Use op0_codes
1821         instead of codes.
1822
1823 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
1824
1825         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
1826         implementation changes.
1827
1828 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
1829
1830         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
1831         a PARALLEL instead of a SET due to added clobbers.
1832
1833 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
1834
1835         * reload.c (find_reloads_address): Pass correct operand to
1836         maybe_memory_address_p.
1837
1838 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
1839
1840         * Makefile.in: Remove libbanshee, tree-alias-*.
1841         Remove tree-alias-common.h dependencies.
1842         * common.opt: Remove -ftree-points-to.
1843         * configure.ac: Remove libbanshee.
1844         * flags.h: Remove pta_type, flag_tree_points_to.
1845         * gengtype.c (open_base_files): Remove tree-alias-type.h.
1846         * opts.c (OPT_ftree_points_to): Remove.
1847         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
1848         * tree-dfa.c: Remove tree-alias-common.h
1849         * tree-into-ssa.c: Ditto.
1850         * tree-outof-ssa.c: Ditto.
1851         * tree-ssa-copyrename.c: Ditto.
1852         * tree-ssa-live.c: Ditto.
1853         * tree-optimize.c: Ditto.
1854         * tree-ssa.c: Ditto.
1855         Remove pass_build_pta, pass_del_pta.
1856         * tree-pass.h: Ditto.
1857         * tree-ssa-alias.c: Remove tree-alias-common.h.
1858         (struct alias_stats_d): Remove pta_queries, pta_resolved.
1859         (pass_may_alias): Remove PROP_pta requirement.
1860         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
1861         (get_tmt_for): Ditto.
1862         (dump_alias_stats): Ditto.
1863         * doc/passes.texi: Remove blurb about points-to analysis.
1864         * fortran/Make-lang.in: Remove tree-alias-*.o.
1865
1866 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
1867
1868         * genattrtab.c (write_insn_cases): New function, split out from
1869         write_attr_case.  Correctly handle define_peepholes when printing
1870         the instruction name.
1871         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
1872
1873 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
1874
1875         PR target/17377
1876         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
1877         * config/cris/cris.c (cris_return_address_on_stack): New function.
1878         * config/cris/cris.md ("return"): For location of return address,
1879         also check cris_return_address_on_stack.
1880
1881 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
1882
1883         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
1884         calling phi_ssa_name_p.
1885
1886 2004-09-09  Richard Henderson  <rth@redhat.com>
1887
1888         PR c/17322
1889         * c-typeck.c (valid_compound_expr_initializer): Use only
1890         initializer_constant_valid_p, and not TREE_CONSTANT.
1891         (digest_init): Likewise.
1892         (output_init_element): Likewise.
1893
1894 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
1895
1896         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
1897         live_out_1, prune_hardregs_for_mode, init_one_web_common,
1898         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
1899         record_conflict, compare_and_free_webs, init_webs_defs_uses,
1900         parts_to_webs_1, parts_to_webs, reset_conflicts,
1901         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
1902         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
1903         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
1904         put_move, remove_move, combine, select_spill, colorize_one_web,
1905         try_recolor_web, insert_coalesced_conflicts, check_colors,
1906         break_precolored_alias, restore_conflicts_from_coalesce,
1907         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
1908         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
1909         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
1910         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
1911         check_df): Likewise.
1912         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
1913         real_arithmetic, real_compare, real_exponent, real_ldexp,
1914         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
1915         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
1916         real_digit, real_nan, real_maxval, round_for_format, real_convert,
1917         real_to_target, real_from_target, real_hash, encode_ieee_single,
1918         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
1919         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
1920         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
1921         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
1922         extract_insn, peep2_next_insn, peep2_reg_dead_p,
1923         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
1924         if_test_bypass_p): Likewise.
1925         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
1926         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
1927         emit_swap_insn, swap_to_top, move_for_stack_reg,
1928         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
1929         compensate_edge, convert_regs_1): Likewise.
1930         * regclass.c (init_reg_sets, init_reg_sets_1,
1931         memory_move_secondary_cost): Likewise.
1932         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
1933         Likewise.
1934         * reload.c (push_secondary_reload, find_valid_class, push_reload,
1935         operands_match_p, decompose, immune_p, find_reloads,
1936         find_reloads_toplev, find_reloads_address_1, subst_reloads,
1937         copy_replacements, refers_to_regno_for_reload_p,
1938         reg_overlap_mentioned_for_reload_p): Likewise.
1939         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
1940         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
1941         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
1942         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
1943         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
1944         do_output_reload, fixup_abnormal_edges): Likewise.
1945         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
1946         fill_slots_from_thread, relax_delay_slots): Likewise.
1947         * resource.c (mark_referenced_resources, mark_set_resources):
1948         Likewise.
1949         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
1950         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
1951         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
1952         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
1953         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
1954         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
1955         * rtlhooks.c (gen_lowpart_general): Likewise.
1956         * sbitmap.c (sbitmap_difference): Likewise.
1957         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
1958         sched_analyze, add_forward_dependence): Likewise.
1959         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
1960         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
1961         schedule_insns): Likewise.
1962         * sched-vis.c (print_pattern): Likewise.
1963         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
1964         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
1965         simplify_const_relational_operation, simplify_ternary_operation,
1966         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
1967         Likewise.
1968         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
1969         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
1970         resolve_operand_name_1, expand_return, expand_decl,
1971         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
1972         * stor-layout.c (put_pending_size, smallest_mode_for_size,
1973         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
1974         set_sizetype, get_mode_bounds): Likewise.
1975
1976 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
1977
1978         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
1979         * config/arm/pecoff.h, config/i386/beos-elf.h
1980         * config/i386/cygming.h, config/i386/i386-interix.h:
1981         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
1982         comment cloned from manual.
1983         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
1984
1985 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
1986
1987         * builtins.c (build_va_arg_indirect_ref): New function.
1988         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
1989         build_fold_indirect_ref.
1990         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
1991         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
1992         * tree.h: Declare new function.
1993
1994 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
1995
1996         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
1997         dumping for development builds.
1998         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
1999         development builds only.
2000         * genattrtab.c (write_eligible_delay): Fix typo in previous
2001         commit.
2002         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
2003         gcc_assert.
2004
2005 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2006
2007         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
2008         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
2009         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
2010         hoist_code, extract_mentioned_regs_helper, compute_store_table,
2011         insert_store): Use gcc_assert and gcc_unreachable.
2012         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
2013         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
2014         ggc_record_overhead): Likewise.
2015         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
2016         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
2017         ggc_pop_context, clear_marks, validate_free_objects,
2018         ggc_pch_read): Likewise.
2019         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
2020         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
2021         ggc_push_context, check_cookies, ggc_collect,
2022         ggc_print_statistics): Likewise.
2023         * gimple-low.c (lower_function_body, lower_stmt,
2024         lower_bind_expr): Likewise.
2025         * gimplify.c (gimple_tree_eq, push_gimplify_context,
2026         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
2027         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
2028         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
2029         gimplify_case_label_expr, gimplify_exit_block_expr,
2030         canonicalize_component_ref, gimplify_compound_lval,
2031         gimplify_self_mod_expr, gimplify_call_expr,
2032         gimplify_init_ctor_eval, gimplify_init_constructor,
2033         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
2034         gimplify_expr, check_pointer_types_r,
2035         force_gimple_operand): Likewise.
2036         * global.c (global_alloc, build_insn_chain): Likewise.
2037         * graph.c (clean_graph_dump_file,
2038         finish_graph_dump_file): Likewise.
2039         gcov-io.c (gcov_open): Use GCOV_CHECK.
2040
2041 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
2042
2043         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
2044
2045 2004-09-09  Jan Hubicka  <jh@suse.cz>
2046
2047         middle-end/17128
2048         * tree-inline.c (expand_call_inline): Make overactive sanity check
2049         happy.
2050
2051 2004-09-09  Jan Hubicka  <jh@suse.cz>
2052
2053         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
2054         VIEW_CONVERT_EXPR.
2055
2056 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2057
2058         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
2059         (gengtype.o): Depend on errors.h.
2060         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
2061         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
2062         attr_alt_subset_p, attr_alt_subset_of_compl_p,
2063         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
2064         write_test_expr, write_attr_value, write_eligible_delay,
2065         make_internal_attr, make_numeric_value): Likewise.
2066         * genautomata.c (regexp_name, get_str_vect,
2067         gen_presence_absence_set, automaton_decl_hash,
2068         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
2069         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
2070         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
2071         test_unit_reserv, it_is_empty_reserv_sets,
2072         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
2073         reserv_sets_and, output_cycle_reservs, get_free_state,
2074         intersected_state_reservs_p, states_union, remove_arc,
2075         copy_insn_regexp, transform_1, transform_2, transform_3,
2076         regexp_transform_func, store_alt_unit_usage,
2077         check_regexp_units_distribution, process_seq_for_forming_states,
2078         process_alts_for_forming_states, make_automaton,
2079         form_arcs_marked_by_insn, create_composed_state,
2080         set_out_arc_insns_equiv_num, partition_equiv_class,
2081         process_insn_equiv_class, set_insn_equiv_classes,
2082         units_to_automata_heuristic_distr, form_regexp,
2083         longest_path_length, output_dfa_max_issue_rate, add_vect,
2084         out_state_arcs_num, add_vect_el, output_trans_table,
2085         output_state_alts_table, output_dead_lock_vect,
2086         output_max_insn_queue_index_def,
2087         output_min_insn_conflict_delay_func,
2088         output_internal_insn_latency_func, output_print_reservation_func,
2089         output_cpu_unit_reservation_p, output_state_arcs,
2090         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
2091         make_default_insn_latency_attr,
2092         form_important_insn_automata_lists): Likewise.
2093         * genemit.c (gen_exp, output_add_clobbers,
2094         output_added_clobbers_hard_reg_p): Likewise.
2095         * genextract.c (print_path, main): Likewise.
2096         * genflags.c (gen_macro): Likewise.
2097         * gengenrtl.c: Include errors.h
2098         (type_from_format, accessor_from_format): Likewise.
2099         * gengtype.c (get_file_basename, output_mangled_typename,
2100         walk_type, write_types_process_field,
2101         write_types_local_process_field): Likewise.
2102         * genmodes.c (complete_mode): Likewise.
2103         * genopinit.c (gen_insn): Likewise.
2104         * genoutput.c (output_insn_data, check_constraint_len,
2105         constraint_len): Likewise.
2106         * genpreds.c (add_mode_tests):Likewise.
2107         * gen-protos.c (add_hash): Likewise.
2108         * genrecog.c (find_operand, find_matching_operand,
2109         validate_pattern, add_to_sequence, maybe_both_true,
2110         nodes_identical_1, merge_trees, write_switch, write_cond,
2111         write_action, is_unconditional, make_insn_sequence,
2112         debug_decision_2): Likewise.
2113         * gensupport.c (is_predicable, collect_insn_data,
2114         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
2115
2116 2004-09-09  Jan Hubicka  <jh@suse.cz>
2117
2118         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
2119         * cfgbuild.c (compute_outgoing_frequencies): When probability is
2120         missing, guess it.
2121         (find_many_sub_basic_blocks): Do update profile only when it is
2122         present.
2123         * predict.c (set_even_probabilities): Break out from ...
2124         (combine_predictions_for_insn): ... here; deal with
2125         !can_predict_insn_p insns.
2126         (combine_predictions_for_bb): Use set_even_probabilities.
2127         (bb_estimate_probability_locally): Break out from ....
2128         (estimate_probability): ... here.
2129         (guess_outgoing_edge_probabilities): New entry point.
2130
2131 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2132
2133         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
2134         handle_braces, process_brace_body, main, used_arg,
2135         set_multilib_dir, print_multilib_info): Use fatal, not abort.
2136
2137         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
2138
2139         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
2140         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
2141         Morgan's theorem in last checkin.
2142
2143 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2144             Nathan Sidwell  <nathan@codesourcery.com>
2145
2146         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
2147         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
2148         * timevar.c (timevar_push, timevar_pop, timevar_start,
2149         timevar_stop): Likewise.
2150         * toplev.c (default_pch_valid_p): Likewise.
2151         * tracer.c (tail_duplicate): Likewise.
2152         * tree-alias-common.c (get_alias_var_decl,
2153         get_values_from_constructor, create_alias_var, delete_alias_vars,
2154         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
2155         Likewise.
2156         * tree.c (tree_size, make_node_stat, copy_node_stat,
2157         build_int_cst_wide, integer_all_onesp, list_length, chainon,
2158         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
2159         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
2160         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
2161         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
2162         build_method_type_directly, decl_type_context, get_callee_fndecl,
2163         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
2164         tree_fold_gcd): Likewise.
2165         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
2166         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
2167         cleanup_control_expr_graph, find_taken_edge,
2168         find_taken_edge_switch_expr, phi_alternatives_equal,
2169         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
2170         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
2171         tree_split_edge, tree_verify_flow_info, thread_jumps,
2172         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
2173         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2174         chrec_fold_multiply_poly_poly): Likewise.
2175         * tree-complex.c (extract_component, expand_complex_division,
2176         expand_complex_comparison, expand_complex_operations_1,
2177         build_replicated_const, expand_vector_operations_1): Likewise.
2178         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
2179         build_classic_dir_vector): Likewise.
2180         * tree-dfa.c (compute_immediate_uses_for_phi,
2181         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
2182         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
2183         * tree-dump.c (dequeue_and_dump): Likewise.
2184         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
2185         record_in_finally_tree, replace_goto_queue_1,
2186         maybe_record_in_goto_queue, verify_norecord_switch_expr,
2187         do_return_redirection): Likewise.
2188         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
2189         add_to_dst_predicate_list, find_phi_replacement_condition,
2190         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
2191         Likewise.
2192         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
2193         initialize_inlined_parameters, declare_return_variable,
2194         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
2195         optimize_inline_calls, copy_tree_r): Likewise.
2196         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
2197         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
2198         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
2199         tsi_split_statement_list_after, tsi_split_statement_list_before):
2200         Likewise.
2201         * tree-mudflap.c (mf_varname_tree): Likewise.
2202         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
2203         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
2204         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2205         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
2206         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
2207         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
2208         Likewise.
2209         * tree-phinodes.c (resize_phi_node, add_phi_arg,
2210         remove_all_phi_nodes_for): Likewise.
2211         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
2212         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
2213         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
2214         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
2215         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
2216         generate_one_element_ref, generate_element_copy,
2217         generate_element_zero, scalarize_copy, scalarize_init,
2218         scalarize_ldst): Likewise.
2219         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
2220         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
2221         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
2222         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
2223         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
2224         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
2225         widen_bitfield, ccp_fold_builtin): Likewise.
2226         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
2227         replace_exp_1, propagate_tree_value): Likewise.
2228         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
2229         * tree-ssa-dce.c (set_control_dependence_map_bit,
2230         find_control_dependence, find_pdom, mark_operand_necessary,
2231         mark_stmt_if_obviously_necessary,
2232         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
2233         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
2234         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
2235         eliminate_redundant_computations, avail_expr_eq): Likewise.
2236         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
2237         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2238         duplicate_blocks): Likewise.
2239         * tree-ssa-loop-im.c (for_each_index, set_level,
2240         is_call_clobbered_ref): Likewise.
2241         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
2242         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
2243         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
2244         peel_address, ptr_difference_cost, may_replace_final_value,
2245         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
2246         rewrite_use, rewrite_uses): Likewise.
2247         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
2248         check_loop_closed_ssa_use): Likewise.
2249         * tree-ssanames.c (make_ssa_name): Likewise.
2250         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
2251         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
2252         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
2253         get_indirect_ref_operands, add_stmt_operand): Likewise.
2254         * tree-ssa-pre.c (value_exists_in_set_bitmap,
2255         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
2256         phi_translate, valid_in_set, compute_antic,
2257         find_or_generate_expression, create_expression_by_pieces, insert_aux,
2258         create_value_expr_from, eliminate): Likewise.
2259         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
2260         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
2261         Likewise.
2262         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
2263         eliminate_tail_call): Likewise.
2264         * tree-vectorizer.c (vect_create_index_for_array_ref,
2265         vect_align_data_ref, vect_create_data_ref,
2266         vect_create_destination_var, vect_get_vec_def_for_operand,
2267         vect_finish_stmt_generation, vect_transform_stmt,
2268         vect_transform_loop_bound, vect_transform_loop,
2269         vect_analyze_operations): Likewise.
2270         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
2271         Likewise.
2272         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
2273         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
2274         bsi_after_labels, bsi_last): Likewise.
2275         * tree-ssa-live.c (var_union, change_partition_var,
2276         create_ssa_var_map, calculate_live_on_entry, root_var_init,
2277         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
2278         Likewise.
2279         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
2280         tpa_find_tree): Likewise.
2281         (register_ssa_partition_check): Declare.
2282         (register_ssa_partition): use it.
2283         * tree-ssa-live.c: Include errors.h.
2284         (register_ssa_partition_check): New.
2285         * tree-ssa-operands.c: Include errors.h.
2286         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
2287
2288 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
2289             Catherine Moore  <clm@redhat.com>
2290
2291         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
2292         (FRV_CPU_FR405): New processor enums.
2293         (frv_issue_rate, frv_acc_group): Declare.
2294         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
2295         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
2296         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
2297         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
2298         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
2299         handled by CPP_SPEC.
2300         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
2301         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
2302         (ACC_MASK): New macro.
2303         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
2304         (TARGET_MEDIA_FR450): New macro.
2305         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
2306         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
2307         (LABEL_ALIGN_AFTER_BARRIER): Define.
2308         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
2309         (IACC_FIRST, IACC_LAST): New pair of SPRs.
2310         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
2311         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2312         (REGISTER_NAMES): Add entries for new registers.
2313         (REG_CLASS_CONTENTS): Update for new register ranges.
2314         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
2315         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
2316         (PACKING_FLAG_USED_P): Delete.
2317         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
2318         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
2319         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
2320         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
2321         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
2322         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
2323         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
2324         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
2325         (CPU_UNITS_QUERY): Define to 1.
2326         * config/frv/frv.c: Include gt-frv.h
2327         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
2328         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
2329         (frv_insn_group): New enumeration.
2330         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
2331         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
2332         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
2333         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
2334         gap left by REGSTATE_LIVE.
2335         (regstate_t): New typedef.
2336         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2337         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
2338         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
2339         Initialize frv_unit_codes[] and frv_type_to_unit[].
2340         (frv_conditional_register_usage): Remove redundant fixing of
2341         accumulator registers.
2342         (frv_insn_packing_flag): Update specification.
2343         (frv_function_prologue): Don't set frv_insn_packing_flag here.
2344         Zero out frv_nops[].
2345         (frv_expand_epilogue): Remove comments about the no-longer-present
2346         SIBCALL_P argument.
2347         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
2348         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
2349         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
2350         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
2351         packing is disabled and if INSN can only issue to M1.
2352         (call_operand): Check TARGET_LONG_CALLS.
2353         (acc_operand, even_acc_operand, quad_acc_operand)
2354         (accg_operand): Simplify.  Don't accept pseudo registers.
2355         (output_move_single): Handle SPR<-zero moves.
2356         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
2357         (frv_registers_update, frv_registers_used_p): Delete.
2358         (frv_registers_set_p): Delete.
2359         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
2360         (frv_issues_to_branch_unit_p): New function.
2361         (frv_packet): New structure.
2362         (frv_cond_flags, frv_regstate_conflict_p): New functions.
2363         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
2364         (frv_registers_update_1, frv_registers_update): New functions.
2365         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
2366         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
2367         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
2368         (frv_sort_insn_group, frv_reorder_packet): New functions.
2369         (frv_pack_insns): Use frv_reorder_packet.
2370         (frv_packet_address): New variable.
2371         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
2372         (frv_register_nop, frv_reorg): New functions.
2373         (bdesc_1arg): Add __SCUTSS.
2374         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
2375         __SUBSS, __SLASS and __SCAN.
2376         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
2377         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
2378         (frv_init_builtins): Register the above builtins.
2379         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
2380         registers.  Turn the referenced accumulators into global registers.
2381         (frv_read_iacc_argument): New function.
2382         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
2383         (frv_split_iacc_move): New function.
2384         (frv_expand_builtin): Handle the new builtins.
2385         * config/frv/frv.md: Replace old schedulers with new order-independent
2386         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
2387         packing algorithm.
2388         (cpu): Add fr550, fr450 and fr405.
2389         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
2390         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
2391         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
2392         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
2393         (fnop, mnop): New patterns.
2394         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
2395         New constants.
2396         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
2397         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
2398         registers.
2399         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
2400         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
2401         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
2402         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
2403         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
2404         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
2405         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
2406         (frv_prefetch0, frv_prefetch): New patterns.
2407         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
2408         -mcpu=simple.  Add -mcpu=fr550.
2409         (MULTILIB_DIRNAMES): Update accordingly.
2410         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
2411         -mcpu=fr450.
2412         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
2413         -mlong-calls and -malign-labels options for FR-V.
2414
2415 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2416
2417         PR c/8420
2418         * c-tree.h (struct c_declspecs): New.
2419         (struct c_declarator, struct c_type_name, struct c_parm): Update
2420         element types.
2421         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
2422         start_function, start_decl, build_c_parm,
2423         make_pointer_declarator): Update prototypes.
2424         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2425         declspecs_add_scspec, declspecs_add_attrs): New.
2426         (split_specs_attrs): Remove.
2427         * c-parse.in (%union): Add dsptype.
2428         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2429         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2430         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2431         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2432         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2433         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2434         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2435         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2436         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2437         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2438         maybe_type_quals_attrs): Change to dsptype.
2439         (struct c_declspec_stack): New.
2440         (current_declspecs, declspec_stack): Change type.
2441         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
2442         structures.
2443         (extdefs): Likewise.
2444         (setspecs): Likewise.
2445         (fndef): Use current_declspecs for empty declspecs list.
2446         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2447         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2448         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2449         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2450         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2451         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2452         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2453         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
2454         structures and helper functions.  Update comments.
2455         (typespec_nonattr): Correct comment.
2456         (maybe_type_quals_attrs, typename): Update to new structures.
2457         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
2458         shadow_tag, shadow_tag_warned, start_function, start_decl,
2459         build_c_parm, make_pointer_declarator,
2460         set_array_declarator_inner, groktypename): Update to new
2461         structures.
2462         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2463         declspecs_add_scspec, declspecs_add_attrs): New.
2464         (split_specs_attrs): Remove.
2465         (shadow_tag_warned): Make warning for useless type names a
2466         pedwarn.  Give hard error for long, short, signed, unsigned or
2467         _Complex used with struct, union or enum in empty declaration.
2468         Make found_tag a bool.
2469         (grokdeclarator): Remove checks now done at parse time.
2470
2471 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2472
2473         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
2474         c_declarator, struct c_type_name, struct c_parm): New.
2475         (build_array_declarator, set_array_declarator_inner,
2476         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
2477         start_function, start_decl, build_c_parm, build_attrs_declarator,
2478         build_function_declarator, make_pointer_declarator, c_cast_expr,
2479         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
2480         (build_id_declarator): New.
2481         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
2482         structures.
2483         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
2484         ARG_INFO_OTHERS): Remove.
2485         (build_id_declarator): New.
2486         (build_array_declarator, set_array_declarator_inner, groktypename,
2487         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
2488         grokfield, start_function, store_parm_decls_newstyle,
2489         store_parm_decls_oldstyle, store_parm_decls,
2490         build_c_parm, build_attrs_declarator, build_function_declarator,
2491         make_pointer_declarator, grokdeclarator): Update to new
2492         structures.
2493         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
2494         parmtype.
2495         (declarator, notype_declarator, after_type_declarator,
2496         parm_declarator, parm_declarator_starttypename,
2497         parm_declarator_nostarttypename, array_declarator, typename,
2498         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
2499         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
2500         parmlist_1, parmlist_2, parmlist_or_identifiers,
2501         parmlist_or_identifiers_1): Use these types.
2502         (primary, after_type_declarator, parm_declarator_starttypename,
2503         notype_declarator, component_decl, component_declarator,
2504         component_notype_declarator, typename, absdcl,
2505         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
2506         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
2507
2508 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2509
2510         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
2511         in_typeof, record_maybe_used_decl, pop_maybe_used,
2512         c_expr_sizeof_expr, c_expr_sizeof_type): New.
2513         * c-decl.c (parser_obstack): New.
2514         (c_init_decl_processing): Initialize parser_obstack.
2515         (c_write_global_declarations_1): Check for used but undefined
2516         static functions.
2517         * c-parse.in (%union): Add otype.
2518         (save_obstack_position): New.
2519         (extdefs): Use it.
2520         (unary_expr): Update in_sizeof and in_alignof.  Use
2521         c_expr_sizeof_expr and c_expr_sizeof_type.
2522         (sizeof): Update in_sizeof.
2523         (alignof): Update in_alignof.
2524         (typeof): Update in_typeof.
2525         (typespec_nonreserved_nonattr): Call pop_maybe_used.
2526         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
2527         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
2528         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
2529         (build_external_ref): Set C_DECL_USED or call
2530         record_maybe_used_decl if appropriate.
2531         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
2532
2533 2004-09-08  Eric Christopher  <echristo@redhat.com>
2534
2535         * builtins.c: Fix prototype for fold_builtin_atan.
2536
2537 2004-09-08  Eric Christopher  <echristo@redhat.com>
2538
2539         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
2540         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
2541         fold_builtin_atan): New functions. Migrate function bodies...
2542         (fold_builtin_1): ... from here.
2543
2544 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
2545
2546         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
2547         save_size.
2548
2549 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
2550
2551         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
2552         * config/rs6000/power5.md (power5-lmul): Same.
2553
2554 2004-09-08  Richard Henderson  <rth@redhat.com>
2555
2556         PR rtl-opt/17186
2557         * function.c (expand_function_end): Have fall-off-the-end
2558         return path jump around return register setup.
2559
2560 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2561
2562         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
2563         (output_return): Do not test for the presence of the 'unimp' insn.
2564         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
2565         as predicates instead of custom ones.  Return raw strings when
2566         possible.
2567         (output_sibcall): Likewise.  Concatenate strings.
2568         (output_ubranch): Remove kludge for TurboSPARC.
2569         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
2570         (output_v9branch): Likewise.
2571         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
2572         <#>: Set sparc_indent_opcode if the delay slot is filled.
2573         <(>: Likewise.
2574         <)>: New operand to emit the displacement from the saved PC on return.
2575         <@>: Remove.
2576         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
2577         (ASM_OUTPUT_OPCODE): New macro.
2578         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
2579         * config/sparc/sparc.md (normal_branch, inverted_branch,
2580         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
2581         inverted_fpe_branch): Adjust call to output_cbranch.
2582         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
2583         call to output_v9branch.
2584         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
2585         (output_v9branch): Likewise.
2586
2587 2004-09-08  Devang Patel  <dpatel@apple.com>
2588
2589         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
2590         -segs_read_only_addr and -segs_read_write_addr.
2591         (WORD_SWITCH_TAKES_ARG): Same.
2592         (LINK_SPEC): Same.
2593         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
2594         -segs_read_write_addr.
2595
2596 2004-09-08  Richard Henderson  <rth@redhat.com>
2597
2598         * function.c (reference_callee_copied): New.
2599         (assign_parm_setup_reg): Use it.
2600         * calls.c (initialize_argument_information): Likewise.
2601         (emit_library_call_value_1): Likewise.
2602         * function.h (reference_callee_copied): Declare.
2603
2604         * target.h (struct gcc_target): Add callee_copies.
2605         * target-def.h (TARGET_CALLEE_COPIES): New.
2606         (TARGET_PASS_BY_REFERENCE): Update default.
2607         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2608         * targhooks.c (hook_callee_copies_named): New.
2609         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
2610         hook_pass_by_reference_false.
2611         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
2612         * targhooks.h: Update decls.
2613         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
2614         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2615         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
2616         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
2617         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2618         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
2619         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2620         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
2621         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2622         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
2623         (mips_callee_copies): New.
2624         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2625         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
2626         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2627         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
2628         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2629         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
2630         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2631         * config/sh/sh.c (sh_callee_copies): New.
2632         (TARGET_CALLEE_COPIES): New.
2633         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2634         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
2635         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2636         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
2637         for FUNCTION_ARG_CALLEE_COPIES.
2638         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
2639
2640 2004-09-08  Devang Patel  <dpatel@apple.com>
2641
2642         * tree-if-conv.c (find_phi_replacement_condition): Return true
2643         edge block.
2644         (replace_phi_with_cond_modify_expr): Select conditional expr args
2645         based on true edge basic block.
2646
2647 2004-09-08  Jan Hubicka  <jh@suse.cz>
2648
2649         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
2650         variables being alias set.
2651
2652 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
2653
2654         * final.c (shorten_branches, final, get_insn_template,
2655         output_alternate_entry_point, final_scan_insn, alter_subreg,
2656         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
2657         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
2658         * fix-header.c (lookup_std_proto): Likewise.
2659         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
2660         verify_local_live_at_start, update_life_info, mark_reg,
2661         calculate_global_regs_live, allocate_reg_life_data,
2662         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
2663         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
2664         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
2665         * fold-const.c (force_fit_type, div_and_round_double,
2666         may_negate_without_overflow_p, int_const_binop, const_binop,
2667         size_binop, size_diffop, fold_convert_const, fold_convert,
2668         invert_tree_comparison, swap_tree_comparison,
2669         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
2670         range_binop, make_range, fold_cond_expr_with_comparison,
2671         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
2672         fold_abs_const, fold_not_const, fold_relational_const, round_up,
2673         round_down): Likewise.
2674         * function.c (find_function_data, assign_stack_temp_for_type,
2675         instantiate_virtual_regs_lossage, aggregate_value_p,
2676         assign_parm_find_entry_rtl, assign_parm_setup_block,
2677         expand_function_start, expand_function_end, keep_stack_depressed,
2678         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
2679
2680 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
2681
2682         * Makefile.in (tree-loop-linear.o): Added.
2683         (OBJS-common): Add tree-loop-linear.o
2684         * common.opt: New flag, ftree-loop-linear.
2685         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
2686         * tree-flow.h: Add prototype for linear_transform_loops.
2687         * tree-optimize.c: Add linear transform after vectorization.
2688         * tree-pass.h: Add struct pass_linear_transform.
2689         * tree-ssa-loop.c: Add pass_linear_transform.
2690         * tree-loop-linear.c: New file.
2691         * lambda-code.c: gcc_assertify.
2692         (gcc_loop_to_lambda_loop): Handle all exit tests.
2693         Handle case where we have (invariant >= induction var).
2694         (find_induction_var_from_exit_cond): Ditto.
2695
2696 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
2697
2698         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
2699         memory tag is call clobbered, so are its aliases.
2700         (group_aliases): When two memory tags being grouped, if one is
2701         call clobbered, so are the other and its aliases.
2702         (add_may_alias): Remove call-clobbering stuff.
2703         (replace_may_alias): Likewise.
2704         (merge_pointed_to_info): Merge pt_global_mem
2705
2706 2004-09-08  Jan Hubicka  <jh@suse.cz>
2707
2708         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
2709         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
2710         (cgraph_expand_function): Remove stale cgraph edges of currently
2711         compiled function; fix non-unit-at-a-time code copying function
2712         node for later reuse.
2713
2714 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
2715
2716         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
2717         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
2718         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
2719         (vec_gc_free, vec_heap_free): New.
2720         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
2721         (DEF_VEC_P): Add allocator argument. Adjust.
2722         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
2723         (DEF_VEC_O): Add allocator argument. Adjust.
2724         (VEC(free)): New.
2725
2726         * tree.h (tree): Define a GC'd vector.
2727         * lamba-code.c (lambda_loop): Likewise.
2728         * value-prof.h (histogram_value): Likewise.
2729
2730 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
2731
2732         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
2733         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
2734         gen_lowpart_common, gen_highpart, gen_highpart_mode,
2735         subreg_highpart_offset, operand_subword, operand_subword_force,
2736         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
2737         set_mem_alias_set, change_address_1, verify_rtx_sharing,
2738         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
2739         try_split, add_insn_after, add_insn_before, remove_insn,
2740         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
2741         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
2742         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
2743         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
2744         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
2745         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
2746         record_path_before_1, check_path_after_1, check_path_after): Likewise.
2747         * except.c (gen_eh_region, resolve_one_fixup_region,
2748         remove_unreachable_regions, convert_from_eh_region_ranges_1,
2749         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
2750         connect_post_landing_pads, sjlj_emit_function_exit,
2751         remove_exception_handler_label, remove_eh_handler,
2752         reachable_next_level, collect_one_action_chain,
2753         output_function_exception_table): Likewise.
2754         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
2755         optimize_save_area_alloca, allocate_dynamic_stack_space,
2756         probe_stack_range, hard_function_value): Likewise.
2757         * expmed.c (mode_for_extraction, store_bit_field,
2758         store_fixed_bit_field, extract_bit_field, expand_shift,
2759         expand_mult_const, expand_mult, choose_multiplier,
2760         expand_mult_highpart, expand_divmod, emit_store_flag,
2761         do_cmp_and_jump): Likewise.
2762         * expr.c (convert_move, convert_modes, move_by_pieces,
2763         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
2764         move_block_from_reg, gen_group_rtx, emit_group_load,
2765         emit_group_move, emit_group_store, use_reg, use_regs,
2766         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
2767         emit_move_insn, emit_move_insn_1, emit_push_insn,
2768         expand_assignment, store_expr, count_type_elements,
2769         store_constructor, store_field, safe_from_p, expand_var,
2770         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
2771
2772 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
2773
2774         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
2775         gcc_assert and gcc_unreachable.
2776         * ddg.c (create_ddg_dependence, add_deps_for_def,
2777         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
2778         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
2779         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
2780         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
2781         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
2782         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
2783         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
2784         dataflow_set_copy, hybrid_search, diagnostic.c,
2785         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
2786         * dojump.c (do_jump): Likewise.
2787         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
2788         compute_dom_fast_query, calculate_dominance_info,
2789         free_dominance_info, get_immediate_dominator,
2790         set_immediate_dominator, get_dominated_by,
2791         redirect_immediate_dominators, nearest_common_dominator,
2792         dominated_by_p, verify_dominators, recount_dominator,
2793         iterate_fix_dominators, add_to_dominance_info,
2794         delete_from_dominance_info): Likewise.
2795         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
2796         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
2797         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
2798         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
2799         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
2800         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
2801         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
2802         output_call_frame_info, output_loc_operands, build_cfa_loc,
2803         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
2804         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
2805         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
2806         splice_child_die, attr_checksum, same_dw_val_p,
2807         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
2808         unmark_dies, value_format, output_loc_list, output_die,
2809         output_pubnames, output_aranges, base_type_die, is_base_type,
2810         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
2811         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
2812         field_byte_offset, add_data_member_location_attribute,
2813         add_const_value_attribute, rtl_for_decl_location,
2814         add_location_or_const_value_attribute, add_byte_size_attribute,
2815         add_bit_offset_attribute, add_bit_size_attribute,
2816         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
2817         decl_start_label, gen_formal_parameter_die,
2818         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
2819         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
2820         force_decl_die, force_type_die, gen_decl_die,
2821         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
2822         dwarf2out_finish): Likewise.
2823
2824 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
2825
2826         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
2827         * builtins.c: Include tree-mudflap.h.
2828
2829 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
2830
2831         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2832         force operand 0.0 into register in XFmode. Also do not force
2833         operand 0.0 into register if !TARGET_CMOVE.
2834         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
2835         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
2836         implement ftst x87 instruction.
2837         (*fp_jcc_7): New insn pattern. Change corresponding split
2838         pattern to handle "general_operand" instead of
2839         "nonimmediate_operand".
2840
2841 2004-09-08  Ben Elliston  <bje@au.ibm.com>
2842
2843         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
2844
2845 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
2846
2847         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
2848         generated from standard va_arg expansion.
2849         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
2850         marked nodes.
2851         (mf_varname_tree, mf_file_function_line_tree): Add some support
2852         for column numbers if compiled with USE_MAPPED_LOCATION.
2853
2854 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
2855
2856         * c-decl.c (groktypename_in_parm_context): Remove function.
2857         * c-tree.h (groktypename_in_parm_context): Remove prototype.
2858
2859 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
2860
2861         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
2862         * c-parse.in: Include c-common.h instead of objc-act.h.
2863         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
2864         myparms, myparm): Remove %type declarations.
2865         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
2866         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
2867         declarations.
2868         (objc_inherit_code, objc_public_flag): Remove.
2869         (typespec_nonreserved_nonattr): Call
2870         objc_get_protocol_qualified_type() instead of get_static_reference()
2871         and get_protocol_reference().
2872         (stmt_nocomp): Call grokparm() on @catch parameter.
2873         (objcdef): Move semantic action to objc_finish_implementation().
2874         (classdef): Move semantic action to objc_start_class_interface(),
2875         objc_continue_interface(), objc_finish_interface(),
2876         objc_start_class_implementation(), objc_continue_implementation(),
2877         objc_start_category_interface() and
2878         objc_start_category_implementation().
2879         (protocoldef): Move semantic actions to objc_start_protocol() and
2880         objc_finish_interface().
2881         (ivar_decl_list): Remove nonterminal.
2882         (visibility_spec): Move semantic actions to objc_set_visibility().
2883         (ivar_decls): Remove assignment to $$.
2884         (ivar_decl): Rephrase in terms of component_decl; call
2885         objc_add_instance_variable().
2886         (ivars, ivar_declarator): Remove nonterminals.
2887         (opt_semi): New nonterminal.
2888         (methodtype): Remove semantic actions.
2889         (methoddef): Move semantic actions to objc_set_method_type(),
2890         objc_start_method_definition() and objc_finish_method_definition().
2891         (methodproto): Move semantic actions to objc_set_method_type() and
2892         objc_add_method_declaration().
2893         (methoddecl): Use objc_typename instead of typename; move semantic
2894         actions to objc_build_method_signature().
2895         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
2896         (optparmlist): Express in terms of optparms and optellipsis.
2897         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
2898         nonterminals.
2899         (keyworddecl): Use objc_typename instead of typename.
2900         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
2901         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
2902
2903 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
2904
2905         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
2906         (MD_FALLBACK_FRAME_STATE_FOR): Update.
2907         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
2908         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
2909         (MD_FROB_UPDATE_CONTEXT): Remove default.
2910         (uw_update_context_1): Instead #ifdef invocation.
2911         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
2912         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
2913         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
2914         (MD_UNWIND_SUPPORT): Undefine this instead.
2915         * config/i386/gnu.h: Likewise.
2916         * config/alpha/linux-unwind.h: New file, macro converted to
2917         function, extracted from..
2918         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
2919         (MD_UNWIND_SUPPORT): Define.
2920         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
2921         * config/i386/linux-unwind.h, config/i386/linux.h,
2922         config/i386/linux64.h: Likewise.
2923         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
2924         MD_HANDLE_UNWABI too.
2925         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
2926         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
2927         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
2928         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
2929         * config/sparc/linux-unwind.h, config/sparc/linux.h,
2930         config/sparc/linux64.h: Likewise.
2931         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
2932         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
2933         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
2934         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
2935         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
2936
2937 2004-09-07  Jan Hubicka  <jh@suse.cz>
2938
2939         * cse.c (fold_rtx):  Avoid building of
2940         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
2941
2942         * tree-ssa-pre.c (grand_bitmap_obstack): New.
2943         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
2944         (init_pre): Initialize obstack.
2945         (fini_pre): Free obstack.
2946
2947 2004-09-07  David Daney  <ddaney@avtrex.com>
2948
2949         * config.gcc: Added support for --with-divide=[breaks|traps] for
2950         mips targets.
2951         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
2952         (TARGET_DIVIDE_TRAPS): New macro.
2953         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
2954         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
2955         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
2956         GENERATE_DIVIDE_TRAPS.
2957         (mips_output_division): Emit conditional trap if
2958         GENERATE_DIVIDE_TRAPS is set.
2959         * doc/install.texi: Document --with-divide.
2960         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
2961
2962 2004-09-07  Caroline Tice  <ctice@apple.com>
2963
2964         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
2965         EDGE_CROSSING, to flags test case.
2966
2967 2004-09-07  Jan Hubicka  <jh@suse.cz>
2968
2969         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
2970         class too.
2971
2972 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
2973
2974         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
2975         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
2976         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
2977         or gcc_unreachable.
2978         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
2979         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
2980         alloc_aux_for_edges, free_aux_for_edges): Likewise.
2981         * cfgcleanup.c (try_forward_edges,
2982         merge_blocks_move_predecessor_nojumps,
2983         merge_blocks_move_successor_nojumps): Likewise.
2984         * cfgexpand.c (expand_gimple_cond_expr,
2985         expand_gimple_tailcall): Likewise.
2986         * cfghooks.c (duplicate_block): Likewise.
2987         * cfglayout.c (record_effective_endpoints,
2988         insn_locators_initialize, change_scope, fixup_reorder_chain,
2989         verify_insn_chain, fixup_fallthru_exit_predecessor,
2990         duplicate_insn_chain, cfg_layout_finalize): Likewise.
2991         * cfgloopanal.c (check_irred): Likewise.
2992         * cfgloop.c (superloop_at_depth, flow_loops_free,
2993         flow_loop_entry_edges_find, flow_loops_find,
2994         flow_loop_outside_edge_p, get_loop_body,
2995         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
2996         get_loop_exit_edges, num_loop_branches, cancel_loop,
2997         verify_loop_structure): Likewise.
2998         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
2999         duplicate_loop_to_header_edge, create_preheader,
3000         create_loop_notes): Likewise.
3001         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
3002         edirect_branch_edge, force_nonfallthru_and_redirect,
3003         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
3004         commit_edge_insertions, commit_edge_insertions_watch_calls,
3005         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3006         cfg_layout_redirect_edge_and_branch_force,
3007         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
3008         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
3009         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
3010         cgraph_varpool_node): Likewise.
3011         * cgraphunit.c (cgraph_finalize_function,
3012         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
3013         cgraph_expand_function, cgraph_remove_unreachable_nodes,
3014         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
3015         cgraph_mark_inline, cgraph_expand_all_functions,
3016         cgraph_build_static_cdtor): Likewise.
3017         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
3018         simplify_logical, distribute_notes, insn_cuid): Likewise.
3019         * conflict.c (conflict_graph_add, print_conflict): Likewise.
3020         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
3021         coverage_checksum_string): Likewise.
3022         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
3023         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
3024         cse_cc_succs, cse_condition_code_reg): Likewise.
3025         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
3026         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
3027         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
3028         cselib_record_set): Likewise.
3029
3030 2004-09-07  Jan Hubicka  <jh@suse.cz>
3031
3032         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
3033
3034 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3035
3036         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
3037         fold_convert.
3038         (fold_builtin_strpbrk): Likewise.
3039         * expr.c (array_ref_low_bound): Likewise.
3040         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
3041         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
3042         * tree-sra.c (generate_element_zero): Likewise.
3043         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
3044         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
3045         add_old_iv_candidates, add_iv_candidates): Likewise.
3046         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
3047
3048 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3049
3050         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
3051         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
3052         c_expand_expr, boolean_increment, nonnull_check_p,
3053         check_function_arguments_recurse, fold_offsetof_1): Likewise.
3054         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
3055         builtin_define_type_max): Likewise.
3056         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
3057         implicit_decl_warning, builtin_function, build_compound_literal,
3058         complete_array_type, grokdeclarator, get_parm_info,
3059         start_function, store_parm_decls_oldstyle,
3060         c_write_global_declarations): Likewise.
3061         * c-format.c (get_constant, decode_format_attr,
3062         maybe_read_dollar_number, get_flag_spec, check_format_arg,
3063         check_format_types, format_type_warning,
3064         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
3065         init_dynamic_diag_info, handle_format_attribute): Likewise.
3066         * c-gimplify.c (push_context, pop_context, finish_bc_block):
3067         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
3068         * c-objc-common.c (c_tree_printer): Likewise.
3069         * c-pch.c (pch_init): Likewise.
3070         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
3071         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
3072         * c-typeck.c (c_incomplete_type_error, composite_type,
3073         common_pointer_type, common_type, same_translation_unit_p,
3074         tagged_types_tu_compatible_p, finish_init, pop_init_level,
3075         set_designator, set_nonincremental_init_from_string,
3076         process_init_element, c_finish_if_stmt): Likewise.
3077         * caller-save.c (init_caller_save, save_call_clobbered_regs,
3078         insert_restore, insert_save, insert_one_insn): Likewise.
3079         * calls.c (emit_call_1, compute_argument_block_size,
3080         precompute_arguments, expand_call, emit_library_call_value_1,
3081         store_one_arg): Likewise.
3082
3083 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3084
3085         * configure.ac (enable-checking): Add release option. Reorganize
3086         to avoid repetition.
3087         * configure: Rebuilt.
3088         * doc/install.texi (enable-checking): Amend documentation.
3089
3090 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
3091
3092         PR bootstrap/17313
3093         * Makefile.in (specs.ready): Depend on cc1$(exeext).
3094
3095 2004-09-06  James E Wilson  <wilson@specifixinc.com>
3096
3097         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
3098         movdf_hardfloat_32bit): Split fG into two alternatives.
3099         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
3100
3101         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
3102
3103 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3104
3105         * final.c (output_in_slot): Delete.
3106         (final_scan_insn): Revert 2004-09-03 change.
3107         (output_asm_insn): Likewise.
3108         * config/sparc/sparc.c (output_return): Likewise.
3109         (output_sibcall): Likewise.
3110
3111 2004-09-06  Jan Hubicka  <jh@suse.cz>
3112
3113         * loop.c (loop_dump_aux): Do not print RTL when not available.
3114         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
3115         frontend specific type nodes.
3116         (produce_memory_decl_rtl): Break out from ...
3117         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
3118         (get_computation_at): Avoid random tree sharing.
3119         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
3120
3121 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
3122
3123         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
3124         unnecessary commands.
3125
3126 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
3127
3128         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
3129         (bitmap.o): Likewise.
3130
3131 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
3132
3133         Unify the management of RTL and tree-level dump files.
3134
3135         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
3136         Don't print function name to the dump file, the pass manager
3137         would do this for us. Add code from the top of
3138         rest_of_compilation, up to the initial RTL dump.
3139         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
3140         close the DFI_sibling dump file.
3141         (rest_of_compilation): Don't do that here.  Remove code up to the
3142         initial RTL dump.
3143         (init_optimization_passes): Remove.
3144         (pass_rest_of_compilation): Change pass name to NULL.
3145         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
3146         Do not call init_optimization_passes.
3147         * toplev.h (init_optimization_passes): Remove.
3148
3149         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
3150         finish_graph_dump_file): Remove SUFFIX parameter.
3151         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
3152         finish_graph_dump_file): Likewise.
3153
3154         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
3155         * cfgexpand.c (pass_expand): Adjust.
3156         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
3157         * passes.c (pass_rest_of_compilation): Adjust.
3158         * predict.c (pass_profile): Adjust.
3159         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
3160         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
3161         pass_split_crit_edges, pass_warn_function_return): Adjust.
3162         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
3163         * tree-dfa.c (pass_referenced_vars): Adjust.
3164         * tree-eh.c (pass_lower_eh): Adjust.
3165         * tree-if-conv.c (pass_build_ssa): Adjust.
3166         * tree-into-ssa.c (pass_build_ssa): Adjust.
3167         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
3168         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
3169         * tree-nrv.c (pass_nrv): Adjust.
3170         * tree-optimize.c (pass_gimple, pass_all_optimizations,
3171         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
3172         pass_init_datastructures): Adjust.
3173         * tree-outof-ssa.c (pass_del_ssa): Adjust.
3174         * tree-profile.c (pass_tree_profile): Adjust.
3175         * tree-sra.c (pass_sra): Adjust.
3176         * tree-ssa-alias.c (pass_may_alias): Adjust.
3177         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
3178         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
3179         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
3180         * tree-ssa-dom.c (pass_dominator): Adjust.
3181         * tree-ssa-dse.c (pass_dse): Adjust.
3182         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
3183         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
3184         * tree-ssa-loop-ch.c (pass_ch): Adjust.
3185         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
3186         pass_loop_done, pass_complete_unroll, pass_iv_canon,
3187         pass_iv_optimize, pass_vectorize): Adjust.
3188         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
3189         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
3190         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
3191         pass_late_warn_uninnitialized): Adjust.
3192         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
3193
3194         * Makefile.in (tree-dump.o): Add new dependencies.
3195         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
3196         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
3197         Likewise.
3198         * toplev.c (dump_file_name): New.
3199         * tree-dump.c (dump_enable_all): Add LETTER parameter.
3200         (struct dump_file_info): Add NUM and LETTER fields.
3201         (dump_files): Adjust and add RTL dump files.
3202         (dump_register): Add NUM and LETTER fields.
3203         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
3204         (dump_begin): Use get_dump_file_name.
3205         (dump_switch_p_1): Adjust call to dump_enable_all.
3206         * tree-dump.h (dump_register): Adjust prototype.
3207         * tree-optimize.c (register_one_dump_file): Take dump file index.
3208         Support flags for RTL dumps.
3209         (register_dump_files): Fill in NUM field of struct dump_file_info.
3210         Track properties both when the gate is executed and when it is not.
3211         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
3212         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
3213         dumps of RTL.
3214         * tree-pass.h (dump_file_name): New.
3215         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
3216         New.
3217
3218         * Makefile.in (passes.o): Add new dependencies.
3219         * passes.c (struct dump_file_info, enum dump_file_index,
3220         dump_file_tbl, init_optimization_passes): Remove.
3221         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
3222         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
3223         dump_enabled_p.
3224         (finish_optimization_passes): Update finish_graph_dump_file loop.
3225         (enable_rtl_dump_file): Remove.
3226         * tree-dump.c (dump_files): Adjust and add RTL dump files.
3227         (enable_rtl_dump_file): Add here.
3228         * tree.h (enum tree_dump_index): Add RTL dump file indices.
3229         * doc/invoke.texi (Debugging options): Document new RTL debugging
3230         options.  Update.
3231
3232 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
3233
3234         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
3235         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
3236         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
3237         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
3238         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
3239         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
3240         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
3241         vec.h: Fix comment formatting.
3242
3243 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
3244
3245         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
3246         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
3247         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
3248         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
3249         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
3250         tree-ssa-loop-niter.c, tree-ssa-operands.c,
3251         tree-ssa-operands.h, tree-ssa-propagate.c,
3252         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
3253         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
3254
3255 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
3256
3257         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
3258         vectorizer is enabled.
3259
3260 2004-09-05  Andreas Jaeger  <aj@suse.de>
3261
3262         * tree-if-conv.c: Spell check comments and clean up whitespace.
3263
3264 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3265
3266         * tree-ssa-loop-ivopts.c: New file.
3267         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
3268         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
3269         target_pres_cost, target_spill_cost): Declare.
3270         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
3271         spill_cost): Renamed to ...
3272         (target_avail_regs, target_res_regs, target_small_cost,
3273         target_pres_cost, target_spill_cost): ... and exported.
3274         (init_set_costs, global_cost_for_size): Work with renamed variables.
3275         * common.opt (flag_ivopts): New flag.
3276         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
3277         REF_ORIGINAL.
3278         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
3279         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
3280         generating SSA form.
3281         (force_gimple_operand): New function.
3282         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
3283         * tree-cfg.c (stmt_bsi): New function.
3284         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
3285         PARAM_IV_MAX_CONSIDERED_USES): New.
3286         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
3287         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
3288         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
3289         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
3290         * tree-nested.c (build_addr): Export.
3291         * tree-optimize.c (init_tree_optimization_passes): Add
3292         pass_iv_optimize.
3293         * tree-pass.h (pass_iv_optimize): Declare.
3294         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
3295         IMAGPART_EXPR.
3296         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
3297         as a phi node argument.
3298         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
3299         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
3300         functions.
3301         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
3302         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
3303         pass_iv_optimize): New pass.
3304         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
3305         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
3306         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
3307         * tree.h (REF_ORIGINAL): New macro.
3308         (build_int_cst_type, unsigned_type_for, zero_p,
3309         cst_and_fits_in_hwi, build_addr): Declare.
3310         * doc/invoke.texi (-fivopts): Document.
3311         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
3312         PARAM_IV_MAX_CONSIDERED_USES): Document.
3313         * doc/passes.texi: Document induction variable optimizations pass.
3314
3315 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3316
3317         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
3318         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
3319         * c-common.c (c_common_attribute_table): Accept parameters to
3320         sentinel attribute.
3321         (check_function_sentinel, handle_sentinel_attribute): Likewise.
3322         * doc/extend.texi: Update accordingly.
3323
3324 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3325
3326         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
3327         New.
3328         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
3329         attribute.
3330         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
3331         New functions.
3332         (c_common_attribute_table): Add `sentinel' attribute.
3333         (check_function_arguments): Handle `sentinel' attribute.
3334         * doc/extend.texi: Document `sentinel' attribute.
3335
3336 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
3337
3338         * configure: Regenerated.
3339
3340 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3341
3342         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
3343
3344         * tree.c (save_expr): No longer TREE_READONLY.
3345
3346 2004-09-04  Jan Hubicka  <jh@suse.cz>
3347
3348         * passes.c (rest_of_clean_state):  Fix merge conflict made during
3349         commiting the patch.
3350
3351 2004-09-04  Jan Hubicka  <jh@suse.cz>
3352
3353         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
3354
3355 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3356
3357         * doc/md.texi (shift patterns): New anchor.  Add reference to
3358         TARGET_SHIFT_TRUNCATION_MASK.
3359         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
3360         * target.h (shift_truncation_mask): New target hook.
3361         * targhook.h (default_shift_truncation_mask): Declare.
3362         * targhook.c (default_shift_truncation_mask): Define.
3363         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
3364         (TARGET_INITIALIZER): Include it.
3365         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
3366         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
3367         reject all out-of-range values.  Fix sign-extension code for modes
3368         whose width is smaller than HOST_BITS_PER_WIDE_INT.
3369         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
3370         (expand_superword_shift, expand_subword_shift): Likewise.
3371         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
3372         (expand_binop): Use them to implement double-word shifts.
3373         * config/arm/arm.c (arm_shift_truncation_mask): New function.
3374         (TARGET_SHIFT_TRUNCATION_MASK): Define.
3375
3376 2004-09-04  Jan Hubicka  <jh@suse.cz>
3377
3378         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
3379         (mix): New macro copied from hashtab.c
3380         (iterative_hash_hashval_t, iterative_hash_pointer,
3381         iterative_hash_host_wide_int): New functions based on hashtab.c
3382         implementation.
3383
3384 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3385
3386         * config/mips/mips.md (mask): New mode attribute.
3387         (zero_extendsidi2): Add memory alternative.
3388         (*zero_extendsidi2_mem): Delete.
3389         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
3390         memory_operand in the TARGET_MIPS16 check.
3391         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
3392         Redefine using :GPR and :SHORT.
3393         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
3394
3395 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
3396
3397         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
3398         using rint_optab.
3399         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
3400         expand_builtin_mathfn.
3401         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
3402         btrunc?f patterns for btrunc_optab. Implement rint_optab using
3403         rint?f patterns.
3404         * optabs.c (init_optabs): Initialize rint_optab.
3405         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
3406         Add new OTI_rint.
3407         (btrunc_optab): Rename macro from trunc_optab.
3408         (rint_optab): Define corresponding macro.
3409
3410         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
3411         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
3412
3413         * config/i386/i386-protos.h (emit_i387_cw_initialization):
3414         Change prototype. Add new int parameter.
3415         * config/i386/i386.c (emit_i387_cw_initialization):
3416         Handle new rounding modes.
3417
3418         * config/i386/i386.h (enum fp_cw_mode): Delete.
3419         (MODE_NEEDED): Handle new rounding modes.
3420         (EMIT_MODE_SET): Change condition to handle new rounding modes.
3421
3422         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
3423         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
3424         represent different rounding modes of frndint insn.
3425         (type): Add frndint type.
3426         (i387, length, memory): Handle this type.
3427         (i387_cw): New attribute definition.
3428         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
3429         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
3430         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
3431         Add "i387_cw" attribute defined to "trunc".
3432         (x86_fnstcw_1): Remove comment.
3433         (*frndintxf2): Rename insn definition to frndintxf2. Move
3434         insn definition near rint?f2 expanders.
3435         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
3436         rintf and rintl built-ins as inline x87 intrinsics.
3437         (frndintxf2_floor): New pattern to implement floor rounding
3438         mode with frndint x87 instruction.
3439         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
3440         floorf and floorl built-ins as inline x87 intrinsics.
3441         (frndintxf2_ceil): New pattern to implement ceil rounding
3442         mode with frndint x87 instruction.
3443         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
3444         ceilf and ceill built-ins as inline x87 intrinsics.
3445         (frndintxf2_trunc): New pattern to implement trunc rounding
3446         mode with frndint x87 instruction.
3447         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
3448         truncf and truncl built-ins as inline x87 intrinsics.
3449         (frndintxf2_mask_pm): New pattern to implement rounding
3450         mode with exceptions with frndint x87 instruction.
3451         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
3452         implement nearbyint, nearbyintf and nearbyintl built-ins as
3453         inline x87 intrinsics.
3454
3455 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3456
3457         * config/mips/mips.md (SHORT): New mode macro.
3458         (size): New mode attribute.
3459         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
3460         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
3461         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
3462         !ISA_HAS_SEB_SEH.
3463         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
3464         *extend[qh]isi2_hw patterns and extending them to di.
3465         (extendqihi2): Implement as define_insn_and_split that produces
3466         extendqisi2 after reload.
3467
3468 2004-09-03  Devang Patel  <dpatel@apple.com>
3469
3470         * Makefile.in (OBJS-common): Add tree-if-conv.o
3471         (tree-if-conv.o): New rule.
3472         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
3473         (get_loop_body_in_bfs_order): New.
3474         * cfgloop.h (get_loop_body_in_bfs_order): New.
3475         * tree-flow.h (enum move_pos): Move here from ..
3476         * tree-ssa-loop-im.c (enum move_pos): here.
3477         (movement_possibility): Make externally visible.
3478         * tree-optimize.c (init_tree_optimization_passes): New entry for
3479         if conversion pass.
3480         * tree-pass.h (pass_if_conversion): New.
3481         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
3482         * tree-if-conv.c: New file.
3483         * doc/passes.texi: Document tree if-conversion pass.
3484         * doc/tree-ssa.texi: Same.
3485
3486 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
3487
3488         PR target/14925:
3489         Makefile.in (LIB2ADDEHSTATIC): New.
3490         (LIB2ADDEHSHARED): New.
3491         (LIBUNWIND): New.
3492         (LIBUNWINDDEP): New.
3493         (SHLIBUNWIND_LINK): New.
3494         (SHLIBUNWIND_INSTALL): New.
3495         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
3496         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
3497         (clean): Remove libunwind*
3498         (stage1-start): Remove and copy stage1/libunwind*.
3499         (stage2-start): Remove and copy stage2/libunwind*.
3500         (stage3-start): Remove and copy stage3/libunwind*.
3501         (stage4-start): Remove and copy stage4/libunwind*.
3502         (stageprofile-start): Remove and copy stageprofile/libunwind*.
3503         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
3504
3505         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
3506         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
3507         tmake_file if --with-system-libunwind isn't used.
3508
3509         * config/ia64/t-glibc-libunwind: New file.
3510         * config/t-libunwind-elf: Likewise.
3511         * unwind-compat.c: Likewise.
3512         * unwind-compat.h: Likewise.
3513         * unwind-dw2-fde-compat.c: Likewise.
3514
3515         * config/ia64/t-glibc (LIB2ADDEH): Updated.
3516         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
3517
3518         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
3519         aliases if needed.
3520         * unwind-dw2-fde-glibc.c: Likewise.
3521         * unwind-dw2.c: Likewise.
3522
3523         * config/t-libunwind (LIB2ADDEH): Updated.
3524         (LIB2ADDEHSTATIC): New.
3525         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
3526         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
3527
3528         * configure.ac: Change --enable-libunwind-exceptions to
3529         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
3530         * configure: Regenerated.
3531         * config.in: Updated.
3532
3533         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
3534         above and mention --with-system-libunwind.
3535         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
3536         removed in gcc 3.4.3 and later.
3537
3538         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
3539         USE_LIBUNWIND_EXCEPTIONS is defined.
3540
3541         * mklibgcc.in: Support libunwind.
3542
3543 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
3544
3545         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
3546         m_NOCONA.
3547
3548 2004-09-03  Richard Henderson  <rth@redhat.com>
3549
3550         PR middle-end/9997
3551         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
3552         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
3553         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
3554         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
3555         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
3556         resize_stack_vars_conflict, add_stack_var_conflict,
3557         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
3558         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
3559         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
3560         expand_one_static_var, expand_one_hard_reg_var,
3561         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
3562         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
3563         (expand_used_vars): Rewrite.
3564         * Makefile.in (cfgexpand.o): Update dependencies.
3565
3566 2004-09-04  Jan Hubicka  <jh@suse.cz>
3567
3568         * cfg.c (free_edge): Use ggc_free.
3569         (expunge_block): Use ggc_free.
3570         * passes.c (rest_of_clean_state): Free after compilation.
3571         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
3572         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
3573
3574 2004-09-03  James E Wilson  <wilson@specifixinc.com>
3575
3576         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
3577         DECL_EXTERNAL check.
3578
3579 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3580
3581         * final.c (output_in_slot): New global variable.
3582         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
3583         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
3584         'output_in_slot' before invoking output_asm_insn.
3585         (output_asm_insn): Add a space after the tab if 'output_in_slot'
3586         is set.
3587         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
3588         final_scan_insn.
3589         (output_sibcall): Likewise.
3590
3591 2004-09-03  Jan Hubicka  <jh@suse.cz>
3592
3593         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
3594         * tree-ssanames (init_ssanames): Likewise.
3595
3596 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
3597
3598         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
3599         objc_declare_protocols, objc_start_protocol,
3600         objc_start_class_interface, objc_start_category_interface,
3601         objc_continue_interface, objc_finish_interface,
3602         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
3603         objc_start_class_implementation, objc_start_category_implementation,
3604         objc_continue_implementation, objc_finish_implementation,
3605         objc_add_method_declaration, objc_start_method_definition,
3606         objc_finish_method_definition, objc_build_keyword_decl,
3607         objc_build_method_signature, objc_build_encode_expr,
3608         objc_build_protocol_expr, objc_build_selector_expr,
3609         objc_build_message_expr, objc_build_string_object,
3610         objc_get_class_reference, objc_get_protocol_qualified_type,
3611         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
3612
3613 2004-09-03  James E Wilson  <wilson@specifixinc.com>
3614
3615         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
3616
3617         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
3618         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
3619         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
3620         (mips_recip1_<fmt>): Use frdiv1 type.
3621         (mips_recip2_<fmt>): Use frdiv2 type.
3622         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
3623         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
3624         and frsqrt1.
3625         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
3626
3627 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
3628
3629         * reload.c (find_reloads): Swap operand_loc pointers for
3630         find_dummy_reload if we have swapped two operands.
3631
3632 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
3633
3634         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
3635         to get the tablejump-insn before the jump-table label.
3636
3637 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
3638
3639         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
3640         objc_declare_protocols, objc_build_message_expr,
3641         objc_finish_message_expr, objc_build_selector_expr,
3642         objc_build_protocol_expr, objc_build_encode_expr,
3643         objc_build_string_object, objc_get_protocol_qualified_type,
3644         objc_get_class_reference, objc_get_class_ivars,
3645         objc_start_class_interface, objc_start_category_interface,
3646         objc_start_protocol, objc_continue_interface, objc_finish_interface,
3647         objc_start_class_implementation, objc_start_category_implementation,
3648         objc_continue_implementation, objc_finish_implementation,
3649         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
3650         objc_add_method_declaration, objc_start_method_definition,
3651         objc_finish_method_definition, objc_add_instance_variable,
3652         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
3653         objc_finish_try_stmt, objc_begin_catch_clause,
3654         objc_finish_catch_clause, objc_build_finally_clause,
3655         objc_build_synchronized, objc_static_init_needed_p,
3656         objc_generate_static_init_call): New prototypes.
3657
3658 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
3659
3660         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
3661         is only one reg.
3662         (ia64_function_value): Ditto.
3663
3664 2004-09-03  Jan Beulich  <jbeulich@novell.com>
3665
3666         * config.gcc: Resurrect NetWare as a target. Handle special case of
3667         Novell linker to be used (specified through --with-ld=) and threading
3668         model of either Posix (default) or NKS.
3669         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
3670         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
3671         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
3672         * config/i386/netware.c, config/i386/netware.h: New.
3673         * config/i386/nwld.c, config/i386/nwld.h: New.
3674         * config/i386/netware-crt0.c: New.
3675         * config/i386/netware-libgcc.c: New.
3676         * config/i386/netware-libgcc.def: New.
3677         * config/i386/netware-libgcc.exp: New.
3678         * config/i386/t-netware, config/i386/t-nwld: New.
3679         * gthr-nks.h: New.
3680         * doc/install.texi: Document NKS threading model.
3681
3682 2004-09-03  Jan Beulich  <jbeulich@novell.com>
3683
3684         PR c/7054
3685         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
3686         * tree.h (initial_max_fld_align): Declare
3687         * stor-layout.c (initial_max_fld_align): Define and initialize.
3688         (maximum_field_alignment): Initialize to the same value.
3689         * common.opt: Add -fpack-struct= variant of switch.
3690         * opts.c: Handle -fpack-struct= variant of switch.
3691         * c-pragma.c: Change #pragma pack() handling so that it becomes
3692         compatible to other compilers: accept individual 'push' argument,
3693         make final pop restore (command line) default, correct interaction
3694         of push/pop and sole specification of a new alignment (so that the
3695         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
3696         to #pragma pack(push, <n>).
3697         * doc/extend.texi: New node "Structure-Packing Pragmas" under
3698         "Pragmas", describing #pragma pack.
3699         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
3700         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
3701         Document new TARGET_DEFAULT_PACK_STRUCT.
3702
3703 2004-09-03  Devang Patel  <dpatel@apple.com>
3704
3705         * dwarf2out.c (gen_field_die). Equate decl number to die.
3706
3707 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
3708
3709         PR target/15832
3710         * global.c (modify_reg_pav): New function.
3711         (make_accurate_live_analysis): Call the new function.  Move pavin
3712         modification by earlyclobber set into the new function.
3713
3714 2004-09-03  Andreas Schwab  <schwab@suse.de>
3715
3716         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
3717         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
3718         extended.
3719
3720 2004-09-02  Jan Beulich  <jbeulich@novell.com>
3721
3722         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
3723         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
3724         not unwind code specific ones.
3725         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
3726         Remove unwind code specific dependencies.
3727         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
3728         Remove gbl-ctors.h.
3729         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
3730         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
3731         * tsystem.h: Declare memcpy and memset when inhibit_libc.
3732
3733 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
3734
3735         * combine.c (try_combine): Delay modifying of insns which cannot
3736         be easily undone.
3737
3738 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
3739
3740         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
3741         tree-loop-im.
3742         * gcc/tree-ssa-loop.c: Ditto
3743         * gcc/tree-ssa-loop-ivcanon.c: Ditto
3744         * gcc/doc/invoke.texi: Ditto.
3745
3746 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
3747
3748         * c-decl.c (store_parm_decls_newstyle): Make static.
3749         (store_parm_decls_from): New function.
3750         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
3751         (store_parm_decls_from): New prototype.
3752
3753 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
3754
3755         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
3756         HImode with STRICT_ALIGNMENT.
3757
3758 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
3759
3760         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
3761         (TARGET_OS_CPP_BUILTINS): Likewise.
3762         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
3763         TARGET_BPABI_CPP_BUILTINS.
3764
3765 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
3766
3767         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
3768
3769 2004-09-02  Eric Christopher  <echristo@redhat.com>
3770
3771         * builtins.c (expand_builtin_cabs): Delete.
3772         (expand_builtin): If unable to fold the values do a normal
3773         library call for builtin_cab*.
3774         (fold_builtin_cabs): Depend on optimize and optimize_size.
3775         * optabs.c (expand_cmplxdiv_straight): Delete.
3776         (expand_cmplxdiv_wide): Ditto.
3777         (expand_vector_binop): Ditto.
3778         (expand_vector_unop): Ditto.
3779         (expand_complex_abs): Delete.
3780         (expand_binop): Remove calls to above functions.
3781         Remove open coding of complex arithmetic.
3782         (expand_unop): Ditto.
3783         * optabs.h: Remove prototypes.
3784
3785 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
3786
3787         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
3788         * c-tree.h (store_parm_decls_newstyle): New prototype.
3789
3790 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
3791
3792         * config/rs6000/rs6000.c (expand_block_clear): Use vector
3793         instructions if available.
3794         (expand_block_move): Likewise.
3795
3796 2004-09-03  Jan Hubicka  <jh@suse.cz>
3797
3798         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
3799
3800 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
3801
3802         * config/arm/symbian.h (LIB_SPEC): Define to empty.
3803         * config/arm/t-symbian (SHLIB_LC): Likewise.
3804
3805 2004-09-02  Paul Brook  <paul@codesourcery.com>
3806
3807         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
3808
3809 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
3810
3811         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
3812         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
3813         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
3814         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
3815         (mips_issue_rate): Remove unreachable abort.
3816         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
3817         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
3818         (mips_block_move_straight, print_operand_address, mips_file_start)
3819         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
3820         (mips_output_conditional_branch, mips_expand_builtin_direct)
3821         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
3822         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
3823         with gcc_assert.
3824
3825 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
3826
3827         * config/mips/mips.md (*lea_high64): Change split condition to
3828         flow2_completed.  Add a peephole2 to generate a more parallel version.
3829
3830 2004-09-02  Jan Hubicka  <jh@suse.cz>
3831
3832         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
3833         GGC.
3834
3835         * ggc-page.c: include tree-flow.h.
3836         (extra_order_size_table): Add stmt_ann_d.
3837         (STAT_LABEL): Rename from ....
3838         (LABEL): ... this one.
3839         * Makefile.in (ggc-page.o): Add dependency.
3840
3841         * ggc-common.c (ggc_force_collect): New global variable.
3842         (loc_description): Add fields "freed", "collected"
3843         (ptr_hash): New static hash
3844         (ptr_hash_entry): New structure.
3845         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
3846         (ggc_record_overhead): Take ptr argument, record it
3847         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
3848         (cmp_statistics): Imrove sorting.
3849         (dump_ggc_loc_statistics): Output newly collected statistics
3850         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
3851         (ggc_free): Call ggc_free_overhead.
3852         (ggc_collect): Force collection when asked to be forced.
3853         (ggc_collect): Call ggc_prune_overhead_list.
3854         * ggc.h (ggc_force_collect): Declare
3855         (ggc_record_overhead): Update prototype.
3856         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
3857
3858 2004-09-02  James E Wilson  <wilson@specifixinc.com>
3859
3860         * common.opt (ftrapping-math): Default to on.
3861
3862 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
3863
3864         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
3865
3866 2004-09-02  Denis Chertykov  <denisc@overta.ru>
3867
3868         PR target/16884
3869         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
3870         match_scratch.
3871         (*movmemqi_insn): Likewise.
3872         (*movmemhi): Likewise.
3873         (clrmemhi): Likewise.
3874         (*clrmemqi): Likewise.
3875         (*clrmemhi): Likewise.
3876
3877 2004-09-02  Paul Brook  <paul@codesourcery.com>
3878
3879         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
3880         default_use_cxa_atexit=yes.
3881
3882 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
3883
3884         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
3885         (struct kernel_old_ucontext): Delete.
3886         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
3887         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
3888         when IN_LIGGCC2.
3889
3890 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
3891
3892         * toplev.c (process_options): Fix typo.
3893
3894 2004-09-01  Richard Henderson  <rth@redhat.com>
3895
3896         PR middle-end/17258
3897         * calls.c (initialize_argument_information): Tighten pass-through
3898         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
3899         Use build_fold_addr_expr.
3900         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
3901         that assumes ADDR_EXPR allocates stack space.
3902         * fold-const.c (build_fold_addr_expr_with_type): Look through
3903         WITH_SIZE_EXPR.
3904
3905 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
3906
3907         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
3908         * ggc.h (ggc_alloc_rtx): Delete.
3909
3910 2004-09-01  Roger Sayle  <roger@eyesopen.com>
3911
3912         * expmed.c (enum alg_code): Remove long unused enumeration values.
3913         (struct mult_cost): New structure to hold the "score" of a synthetic
3914         multiply sequence, including both a rtx_cost and a latency field.
3915         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
3916         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
3917         (struct algorithm): Change type of cost field to be mult_cost.
3918         (synth_mult): Change type of cost_limit argument to be a
3919         pointer to a mult_cost.  Update all cost comparisons to use the
3920         new mult_cost infrastructure.  For alg_add_factor and
3921         alg_sub_factor operations, latency is lower than the rtx_cost.
3922         (choose_mult_variant):  Update calls to synth_mult.  Perform
3923         cost comparisons using the new mult_cost infrastructure.
3924         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
3925         to optain the total rtx_cost of a synth_mult "algorithm".
3926
3927 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
3928
3929         * config/rs6000/power4.md: Increase store latency to 12.
3930         * config/rs6000/power5.md: Same.
3931
3932 2004-09-01  James E Wilson  <wilson@specifixinc.com>
3933
3934         PR target/14064
3935         * config/avr/avr.c (avr_unique_section): Delete prototype and
3936         definition.
3937         (TARGET_ASM_UNIQUE_SECTION): Delete.
3938
3939 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
3940
3941         * c-parse.in (primary): Call objc_build_message_expr(),
3942         objc_build_selector_expr(), objc_build_protocol_expr(),
3943         objc_build_encode_expr() and objc_build_string_object() instead of
3944         build_message_expr(), build_selector_expr(), build_protocol_expr(),
3945         build_encode_expr() and build_objc_string_object(), respectively.
3946         (component_decl_list2): Call objc_get_class_ivars() instead of
3947         get_class_ivars_from_name().
3948         (keyworddecl): Call objc_build_keyword_decl() instead of
3949         build_keyword_decl().
3950         (receiver): Call objc_get_class_reference() instead of
3951         get_class_reference().
3952         (reswords): Add blank line before @@ifobjc section, for clarity.
3953
3954 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
3955
3956         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
3957         to Altivec vetors.
3958
3959 2004-09-01  Wu Yongwei  <adah@sh163.net>
3960             Danny Smith  <dannysmith@users.sourceforge.net>
3961
3962         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
3963         not Windows 'DWORD'.
3964         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
3965         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
3966         (__gthr_win32_recursive_mutex_init_function): Add prototype for
3967         __GTHREAD_HIDE_WIN32API case..
3968         (__gthr_win32_recursive_mutex_lock): Likewise.
3969         (__gthr_win32_recursive_mutex_trylock): Likewise.
3970         (__gthr_win32_recursive_mutex_unlock): Likewise.
3971         (__gthread_recursive_mutex_init_function); Add definition for
3972         __GTHREAD_HIDE_WIN32API case.
3973         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
3974         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
3975         call to InterlockedDecrement.
3976
3977 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3978
3979         * tree-tailcall.c (find_tail_calls): Also fail is statement has
3980         volatile operands.
3981
3982         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
3983
3984         * doc/c-tree.texi: Document new operands for ARRAY_REF and
3985         COMPONENT_REF.
3986
3987 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3988
3989         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
3990         * common.opt (fspeculative-prefetching): New.
3991         * flags.h (flag_speculative_prefetching_set): Declare.
3992         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
3993         values.
3994         * opts.c (flag_sepculative_prefetching_set): New variable.
3995         (common_handle_option): Handle -fspeculative-prefetching.
3996         * passes.c (rest_of_compilation): Ditto.
3997         * profile.c (instrument_values, compute_value_histograms, branch_prob):
3998         Use vectors instead of arrays.
3999         * toplev.c (process_options): Handle -fspeculative-prefetching.
4000         * rtl-profile.c: Include ggc.h.
4001         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
4002         rtl_gen_one_value_profiler_no_edge_manipulation,
4003         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
4004         argument changed.
4005         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
4006         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
4007         argument changed.
4008         * value-prof.c: Include ggc.h.
4009         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
4010         macros.
4011         (insn_prefetch_values_to_profile, find_mem_reference_1,
4012         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
4013         speculative_prefetching_transform): New.
4014         (value_profile_transformations): Call speculative_prefetching_transform.
4015         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
4016         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
4017         tree_find_values_to_profile, find_values to profile): Use vectors
4018         instead of arrays.
4019         (free_profiled_values): Removed.
4020         * value-prof.h (struct histogram_value): Renamed to
4021         struct histogram_value_t.
4022         (histogram_value, histogram_values): New types.
4023         (find_values_to_profile): Declaration changed.
4024         (free_profiled_values): Removed.
4025         (struct profile_hooks): Type of argument of the hooks changed to
4026         histogram_value.
4027         * doc/invoke.texi (-fspeculative-prefetching): Document.
4028
4029 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4030
4031         PR rtl-optimization/16408
4032         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
4033
4034 2004-09-01  Richard Henderson  <rth@redhat.com>
4035
4036         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
4037         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
4038
4039 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4040
4041         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
4042
4043 2004-09-01  Mike Stump  <mrs@apple.com>
4044
4045         * config/darwin.c (machopic_symbol_defined_p): In addition to
4046         being SYMBOL_REF_LOCAL_P, a symbol must also be
4047         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
4048         defined in this output file, or translation unit in the case
4049         of IMA not being used.
4050         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
4051         never need .indirect_symbol when indirecting.
4052
4053 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4054
4055         * Makefile.in (bb-reorder.o): Add several dependencies.
4056
4057 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4058
4059         * fold-const.c (operand_equal_p): Require equal sign also for
4060         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
4061
4062 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4063
4064         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
4065         for use in configargs.h.  Put the cname in a separate variable.  Use
4066         that to set target_cpu_default2.
4067
4068 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
4069             Nick Clifton  <nickc@redhat.com>
4070
4071         * config/sh/sh.md ("length"): Increase branch length when
4072         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
4073         constant, 2 byte for aligning the constant.
4074
4075 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4076
4077         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
4078         CPU.
4079         (arm7tdmi-s): New CPU name.
4080         * arm/arm.c (ARM_CORE): Update for new format.
4081         * arm/arm.h (ARM_CORE): Likewise.
4082         * arm/gentune.sh: Update for extra field.
4083         * config.gcc: Likewise.
4084         * arm/arm-tune.md: Regenerate.
4085         * doc/invoke.texi: Document the real processor names for ARM cpus.
4086
4087 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4088
4089         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
4090         (floatdidf): New functions.
4091         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
4092         (floatdisf): New functions.
4093         * t-arm-elf: Use them.
4094
4095 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
4096
4097         * c-common.h (lookup_interface): Remove prototype.
4098         (is_class_name): Rename to objc_is_class_name.
4099         (lookup_objc_ivar): Rename to objc_lookup_ivar.
4100         (get_current_scope): Rename to objc_get_current_scope.
4101         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
4102         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
4103         (yylexname): Call objc_is_class_name() instead of is_class_name().
4104         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
4105         instead of lookup_objc_ivar().
4106         * stub-objc.c (lookup_interface): Remove stub.
4107         (is_class_name): Rename to objc_is_class_name.
4108         (lookup_objc_ivar): Rename to objc_lookup_ivar.
4109
4110 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4111
4112         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
4113         * config/arm/lib1funcs.asm: Do not include supplemental .S files
4114         when compiling for Symbian.
4115         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
4116         (TARGET_OS_CPP_BUILTINS): Likewise.
4117         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
4118
4119 2004-08-31  Stan Shebs  <shebs@apple.com>
4120
4121         * toplev.c (process_options): Ensure debug_hooks is initialized.
4122
4123 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4124
4125         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
4126         * target.h (cxx): Add export_class_data.
4127         * config/arm/arm.c (arm_cxx_export_class_data): New function.
4128         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
4129         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
4130
4131 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
4132
4133         * config/sh/sh.c (output_branch): Check the insn length possibly
4134         in the delayed slot.
4135
4136 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4137
4138         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
4139         blank after ')'.
4140         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
4141
4142         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
4143         (c_sizeof_of_alignof_type): Likewise.
4144         * expr.c (array_ref_element_size): Likewise.
4145         (highest_pow2_factor_for_target): Likewise.
4146         * gimplify.c (canonicalize_addr_expr): Likewise.
4147         (gimplify_compound_lval): Likewise.
4148         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
4149         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
4150         * varasm.c (assemble_variable): Likewise.
4151         (output_constant_def_contents): Alignments are unsigned.
4152
4153 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4154             Jeff Law  <law@redhat.com>
4155
4156         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
4157         gets modified.
4158
4159 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4160
4161         * hooks.c (hook_bool_void_true): New function.
4162         * hooks.h (hook_bool_void_true): Declare.
4163         * target-def.h (TARGET_CXX): Add
4164         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
4165         * target.h (struct cxx): Add key_method_may_be_inline.
4166         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
4167         function.
4168         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
4169         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
4170         __THUMB_INTERWORK.
4171
4172 2004-08-31  Denis Chertykov  <denisc@overta.ru>
4173
4174         PR target/15417
4175         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
4176         frame pointer register only in Pmode while reload in progress.
4177
4178 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
4179
4180         PR target/15334
4181         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
4182         because it breaks the 32-bit shift patterns that rely on a match_dup.
4183
4184 2004-08-31  Matt Austern  <austern@apple.com>
4185
4186         * config/darwin.c (darwin_make_decl_one_only): Allocate section
4187         names once per compilation, instead of once per symbol.
4188
4189 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
4190
4191         * Makefile.in (build_subdir): New substitution.
4192         (fixinc.sh): Simplify heavily since fixincludes is already built.
4193         (stmp-fixinc): Depend on specs.ready.
4194         (install-mkheaders): Use new location of fixincludes.
4195         (clean): Do not descend into fixinc.
4196         (FORBUILD): Replace with ../$(build_subdir).
4197         * configure.ac (build_subdir): Substitute.
4198         (FORBUILD): Do not set.
4199         (all_outputs): Remove fixinc/Makefile.
4200         (default commands): Do not create links in fixinc.
4201         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
4202         the fixincludes configuration steps and substituting
4203         @FIXINCL@ in fixinc.in.
4204         * fixinc.in: New, from fixinc/fixincl.sh.
4205
4206         * fixinc/*: Removed.
4207
4208 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
4209
4210         * attribs.c (strip_attrs): Remove.
4211         (split_specs_attrs): Move ...
4212         * c-decl.c: ... to here.
4213         * tree.h (split_specs_attrs, strip_attrs): Remove.
4214         * c-tree.h (split_specs_attrs): Declare.
4215
4216 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
4217
4218         * read-rtl.c: Disable RTL checking.
4219         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
4220
4221 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
4222
4223         * config/mips/mips.md (fcond): New code macro and attribute.
4224         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
4225         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
4226         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
4227
4228 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
4229
4230         Revert:
4231         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
4232         PR rtl-optimization/16590
4233         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
4234
4235 2004-08-30  Andrew Pinski  <apinski@apple.com>
4236
4237         * hard-reg-set.h:
4238         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
4239         * ChangeLog: Fix previous ChangeLog entry.
4240
4241         PR rtl-opt/13987
4242         * config.host (use_long_long_for_widest_fast_int): New, default is
4243         off.
4244         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
4245         * configure.ac: If use_long_long_for_widest_fast_int, then
4246         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
4247         * configure: Regenerate.
4248         * config.in: Regenerate.
4249         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
4250         New: widest integer type supported efficiently in hardware for the
4251         host.
4252         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
4253         HOST_BITS_PER_WIDEST_FAST_INT.
4254         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
4255         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
4256         HOST_WIDEST_FAST_INT
4257         instead of HOST_WIDE_INT.
4258         (HARD_REG_SET_LONGS): Likewise.
4259         (UHOST_BITS_PER_WIDE_INT): Likewise.
4260         Change the checks for the fast cases to be based on
4261         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
4262
4263 2004-08-30  Steven Bosscher  <stevenb@suse.de>
4264
4265         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
4266         not the pointers.
4267
4268 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
4269
4270         PR 12738
4271         PR 17205
4272         Radar 3460526
4273         Radar 3775729
4274         * c-decl.c (grokdeclarator): Produce error for 'static' on local
4275         function declaration.
4276
4277 2004-08-30  Richard Henderson  <rth@redhat.com>
4278
4279         * expr.c (array_ref_element_size): Force aligned_size back to
4280         sizetype.
4281         (component_ref_field_offset): Similarly for aligned_offset.
4282         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
4283         low-bound, element-size, field-offset fields rather than
4284         computed values.
4285
4286 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
4287
4288         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
4289         redundant code.
4290
4291 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
4292
4293         * c-tree.h (struct language_function): Add arg_info element.
4294         * c-decl.c (current_function_arg_info): New.
4295         (grokdeclarator, store_parm_decls): Use it instead of
4296         DECL_ARGUMENTS.
4297         (c_push_function_context, c_pop_function_context): Save and
4298         restore it.
4299
4300 2004-08-30  Richard Henderson  <rth@redhat.com>
4301
4302         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
4303         COMPONENT_REF to pointer arithmetic.
4304         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
4305         constant "c" as a valid constant initializer.  Allow narrowing of
4306         differences against the same base object, for any base object.
4307
4308 2004-08-30  Richard Henderson  <rth@redhat.com>
4309
4310         * expr.c (expand_expr_addr_expr): New.
4311         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
4312
4313 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
4314
4315         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
4316         (mips_fp_condition): New enum.
4317         (mips_fp_conditions): New array.
4318         (print_fcc_operand): Delete.
4319         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
4320         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
4321         (builtin_description): Add "cond" field.
4322         (DIRECT_BUILTIN): Initialize it.
4323         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
4324         into INSN and CODE.  Initialize the "cond" field.
4325         (CMP_BUILTINS): Update accordingly.
4326         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
4327         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
4328         mips_fp_condition as argument.  Make it the final operand of the
4329         comparison instruction.
4330         (mips_expand_builtin): Update accordingly.
4331         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
4332         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
4333         the gaps.
4334         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
4335         Don't use the 'Q' operand prefix; just print the operand normally.
4336         (mips_cabs_*, mips_c_*): Delete, replacing with...
4337         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
4338         patterns.  Split the 4s versions into 2 ps patterns after reload.
4339
4340 2004-08-30  Richard Henderson  <rth@redhat.com>
4341
4342         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
4343         assuming an ADDR_EXPR is non-null.
4344
4345 2004-08-30  Jason Merrill  <jason@redhat.com>
4346
4347         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
4348
4349 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4350
4351         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
4352         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
4353         gcc_assert and gcc_unreachable instead of abort.
4354         * alloc-pool.c (abort, fancy_abort): Remove.
4355         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
4356         gcc_assert or gcc_unreachable.
4357         * attribs.c (init_attributes, decl_attributes): Likewise.
4358         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
4359         mark_bb_for_unlikely_executed_section,
4360         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
4361         fix_crossing_unconditional_branches):  Likewise.
4362         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
4363         bitmap_operation):  Likewise.
4364         * bt-load.c (insn_sets_btr_p, augment_live_range,
4365         move_btr_def):  Likewise.
4366         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
4367         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
4368         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
4369         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
4370         expand_builtin_memcmp, expand_builtin_args_info,
4371         std_gimplify_va_arg_expr, expand_builtin_unop,
4372         expand_builtin_fputs, expand_builtin_profile_func,
4373         expand_builtin_fork_or_exec, fold_builtin_bitop,
4374         fold_builtin_classify, fold_builtin_fputs): Likewise.
4375
4376 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4377
4378         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
4379         * gcov.c (abort): Remove undef.
4380
4381         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
4382         (struct tree_binfo): Remove primary field.
4383
4384 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
4385
4386         * fixinc/Makefile.in (machname.h): Remove.
4387         (fixincl.x): Do not pass $@ to genfixes.
4388         * fixinc/genfixes: Remove code to produce machname.h.
4389         * fixinc/fixincl.sh: Move it here instead.
4390         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
4391         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
4392         return a bool indicating whether pz_mn_name_pat is NULL.
4393         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
4394         Declare extern C variables for the ENV_TABLE.
4395         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
4396         instead use the result of mn_get_regexps.
4397         * fixinc/fixtests.c: Likewise.
4398
4399 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
4400
4401         * configure.ac: Do not run fixincludes after stage1 during
4402         toplevel bootstrap.
4403         * configure: Regenerate.
4404
4405 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
4406
4407         * sched-deps.c (get_condition): Partially revert previous, by never
4408         trying to extract the condition from a condjump.
4409
4410 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4411
4412         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
4413         (handle_visibility_attribute, c_determine_visibility): Likewise.
4414         * c-common.h (my_friendly_assert): Remove.
4415
4416 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
4417
4418         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
4419         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
4420         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
4421         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
4422         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
4423
4424 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
4425
4426         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
4427         in COMPONENT_REF nodes.
4428
4429 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4430
4431         PR c++/15378
4432         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
4433         global_dc->warning_as_error_requested.
4434         * diagnostic.c (diagnostic_initialize): Tidy.
4435         * diagnostic.h (diagnostic_context::x_data): Remove
4436         (diagnostic_context::issue_warnings_are_errors_message): Rename
4437         from warnings_are_errors_message.
4438         (diagnostic_context::warning_as_error_requested): New.
4439
4440 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
4441
4442         * sched-deps.c (get_condition): Fix breakage in previous patch.
4443
4444 2004-08-30  Paul Brook  <paul@codesourcery.com>
4445
4446         * doc/install.texi: Fix broken mpfr link.
4447
4448 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
4449
4450         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
4451         other FreeBSD platforms.
4452
4453 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4454
4455         * arm.h (REVERSE_CONDITION): Define.
4456         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
4457
4458 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4459
4460         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
4461         just the codes, call reversed_comparison_code ().
4462         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
4463         (not_reg_cond): Use reversed_comparison_code.
4464         (and_reg_cond): Likewise.
4465         * ifcvt.c (cond_exec_process_if_block): Likewise.
4466         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
4467
4468 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4469
4470         * sched-deps.c (get_condition): Rewrite using jump support functions.
4471         Use reversed_comparison_code.
4472         (conditions_mutex_p): Use reversed_comparison_code.
4473
4474 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4475
4476         * config/mips/mips.c (override_options): Disable hot/cold partitioning
4477         for MIPS16.
4478
4479 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4480
4481         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
4482         (mips_function_type): Move to mips.c.
4483         * config/mips/mips.c (mips_builtin_type): New enum.
4484         (builtin_description): Replace code and ftype with builtin_type
4485         and function_type.
4486         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
4487         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
4488         (CODE_FOR_mips_abs_ps): Define.
4489         (mips_bdesc): Use new macros.
4490         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
4491         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
4492         (mips_expand_builtin_direct): New function.
4493         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
4494         builtin.  Replace boolean parameter with builtin_type.
4495         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
4496         (mips_expand_4s_compare_builtin): Delete, replacing with...
4497         (mips_expand_builtin_compare): ...this new function.
4498
4499 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
4500
4501         PR rtl-optimization/16590
4502         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
4503
4504 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
4505
4506         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
4507         * tree-ssa-propagate.c: Fix documentation.
4508
4509 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4510
4511         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
4512         (mov[sd]fcc): Likewise.
4513
4514 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4515
4516         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
4517
4518 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4519
4520         * config/mips/mips.md (divide_condition): New mode attribute.
4521         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
4522         (sqrt[sd]f3): Redefine using SCALARF.
4523         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
4524         patterns.
4525
4526 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4527
4528         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
4529         (loadx, storex, fmt, UNITMODE): New mode attributes.
4530         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
4531         (mul[sd]f3): Redefine using :SCALARF.
4532         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
4533         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
4534         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
4535         Check TARGET_FUSED_MADD for V2SF too.
4536         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
4537         were already named.
4538         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
4539         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
4540
4541 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4542
4543         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
4544         V2SF_type_node if it will be needed.
4545
4546 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4547
4548         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
4549         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
4550         (mips_prepare_builtin_target): New function.
4551         (mips_expand_builtin): Use them.  Update calls to subroutines.
4552         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
4553         cmp_choice with a boolean argument to select between movt and movf.
4554         Take the comparison's icode as an argument, not the function's fcode.
4555         (mips_expand_compare_builtin): New function.  Rename existing function
4556         to mips_expand_scalar_compare_builtin.
4557         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
4558         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
4559         comparison's icode as an argument, not the builtin's fcode.
4560
4561 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4562
4563         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
4564         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
4565         registers are false and -1 if all registers are true.
4566         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
4567         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
4568         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
4569         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
4570         (bc1any2t, bc1any2f): Likewise CCV2.
4571         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
4572
4573 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4574
4575         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
4576         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
4577         UNSPEC rather than an IF_THEN_ELSE.
4578         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
4579         mips_cond_move_tf_ps by name.
4580
4581 2004-08-29  Chao-ying Fu  <fu@mips.com>
4582             James E Wilson  <wilson@specifixinc.com>
4583
4584         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
4585         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
4586         * config/mips/mips-ps-3d.md: New file.
4587         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
4588         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
4589         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
4590         (mips_output_move): Emit "mov.ps" for V2SFmode.
4591         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
4592         MODE_VECTOR_FLOAT.
4593         (override_options): Check if TARGET_MIPS3D and there was an explicit
4594         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
4595         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
4596         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
4597         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
4598         and allow CCV2 and CCV4 to occupy two and four CC registers.
4599         (print_fcc_operand): New function.
4600         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
4601         %Z to call print_fcc_operand.
4602         (mips_function_value): Handle MODE_VECTOR_FLOAT.
4603         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
4604         (mips_vector_mode_supported_p): New function.
4605         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
4606         (builtin_description): New struct.
4607         (mips_bdesc): New array of struct builtin_description.
4608         (mips_expand_builtin, mips_init_builtins,
4609         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
4610         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
4611         functions.
4612         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
4613         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
4614         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
4615         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
4616         "-mips3d", and "-mno-mips3d".
4617         (ASM_SPEC): Map -mips3d to -mips3d in gas.
4618         (EXTRA_CONSTRAINT_Y): New macro.
4619         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
4620         multi-letter constraint 'Y'.
4621         (CONSTRAINT_LEN): New macro.
4622         (enum mips_builtins): New for MIPS builtin functions.
4623         (enum mips_function_type): New for the types of MIPS builtin functions.
4624         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
4625         * config/mips/mips.md: New constants for paired single and MIPS-3D
4626         instructions.  Include the new mips-ps-3d.md file.
4627         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
4628         movv2sf_hardfloat_64bit): New named patterns.
4629         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
4630         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
4631         sdxc1_v2sf_di): New unnamed patterns.
4632         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
4633         const_vector support.
4634         (const_0_or_1_operand): New predicate.
4635         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
4636
4637 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
4638
4639         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
4640         (tree-ssa-propagate.o): New rule.
4641         (GTFILES): Add tree-ssa-propagate.c.
4642         * tree-flow.h (struct stmt_ann_d): Remove field
4643         in_ccp_worklist.
4644         * tree-ssa-propagate.c: New file.
4645         * tree-ssa-propagate.h: New file.
4646         * tree-ssa-ccp.c: Re-write to use the routines from
4647         tree-ssa-propagate.c.
4648
4649 2004-08-28  Andrew Pinski  <apinski@apple.com>
4650
4651         * tree-ssa-loop.c: Remove extra include of basic-block.h.
4652
4653 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
4654
4655         * c-common.h: Update comments about ObjC/ObjC++ entry points.
4656         (objc_is_reserved_word): New prototype.
4657         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
4658         separate section; these are call-backs.
4659         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
4660         ObjC/ObjC++ "@" keywords.
4661         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
4662         prototypes; they already live in c-common.h.
4663         * stub-objc.c: Update copyright notice.
4664         (objc_is_reserved_word): New stub.
4665
4666 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4667
4668         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
4669         even when not checking.
4670
4671 2004-08-27  Jason Merrill  <jason@redhat.com>
4672
4673         PR c++/13684
4674         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
4675         (gimple_push_cleanup): Add eh_only parm.
4676         (gimplify_target_expr): Pass it.
4677         * c.opt (-fno-threadsafe-statics): New option.
4678         * c-opts.c (c_common_handle_option): Handle it.
4679         * c-common.h (flag_threadsafe_statics): Declare it.
4680         * c-common.c (flag_threadsafe_statics): Record it.
4681         * doc/invoke.texi: Document it.
4682         * tsystem.h (_GNU_SOURCE): Define.
4683         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
4684         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
4685         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
4686         (__gthread_recursive_mutex_init_function): New fn.
4687         (__gthread_recursive_mutex_lock): New fn.
4688         (__gthread_recursive_mutex_trylock): New fn.
4689         (__gthread_recursive_mutex_unlock): New fn.
4690         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
4691         * gthr-win32.h, gthr-vxworks.h: Likewise.
4692         * gthr.h: Document.
4693
4694 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
4695
4696         * config/rs6000/rs6000.c (rs6000_override_options): Increase
4697         maximum skip to 15.  Set function alignment, jump alignment, and
4698         loop alignment to 16 for processors that form dispatch groups.
4699         (rs6000_rtx_costs): outer_code is used.
4700
4701 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
4702
4703         * stor-layout.c (sizetype_set): Remove.
4704         (set_sizetype): Don't test or set it.
4705
4706         * tree.h (size_int_type): Remove.
4707         * fold-const.c: Do not #include gt-fold-const.h.
4708         (size_htab_hash, size_htab_eq): Remove.
4709         (size_int_kind): Use build_int_cst.
4710         (new_const, size_htab): Remove.
4711         (size_int_type): Remove.
4712         (round_up): Use build_int_cst.
4713         (round_down): Likewise. Remove spurious constant build.
4714
4715 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
4716
4717         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
4718         Add is_release variable, use it for --enable-werror and
4719         --enable-checking defaults.
4720         * system.h (gcc_assert, gcc_unreachable): New.
4721         * doc/install.texi (--enable-checking): Update.
4722         * configure, config.in: Rebuilt.
4723
4724 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
4725
4726         * rtl.h (read_rtx): Change prototype.
4727         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
4728         line number.  Return true on success.
4729         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
4730         callers accordingly.
4731
4732 2004-08-26  Richard Henderson  <rth@redhat.com>
4733
4734         * c-typeck.c (build_offsetof): Remove.
4735         * c-tree.h (build_offsetof): Remove.
4736         * c-common.c (fold_offsetof_1, fold_offsetof): New.
4737         * c-common.h (fold_offsetof): Declare.
4738         * c-parse.in (offsetof_base): New.
4739         (offsetof_member_designator): Use it.  Build references, not just
4740         a tree list.
4741         (primary): Use fold_offsetof, not build_offsetof.
4742
4743 2004-08-26  Richard Henderson  <rth@redhat.com>
4744
4745         * tree.c (staticp): Return the static object.
4746         * tree.h (staticp): Update decl.
4747         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
4748         * langhooks.c (lhd_staticp): Return NULL_TREE.
4749         * langhooks-def.h (lhd_staticp): Update decl.
4750         * c-common.c (c_staticp): Return the static object.
4751         * c-common.h (c_staticp): Update decl.
4752
4753 2004-08-26  Richard Henderson  <rth@redhat.com>
4754
4755         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
4756         modes.
4757
4758 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
4759
4760         PR c/13801
4761         * c-decl.c (struct c_binding): Add type and inner_comp fields.
4762         (bind): Set type and inner_comp fields.
4763         (pop_scope): Restore type of decl to the correct type from an
4764         outer scope.  Give error when popping file scope for incomplete
4765         arrays completed incompatibly with default initialization in an
4766         inner scope.
4767         (diagnose_mismatched_decls): Handle externs with initializers at
4768         block scope.
4769         (pushdecl): Set type of external declaration at block scope based
4770         only on the visible declarations.  Save type when changing the
4771         type of a declaration.  Merge an external declaration at block
4772         scope with a visible static declaration at file scope.
4773         (implicitly_declare): Give recycled old declaration the new type
4774         except for incompatible declarations of built-in functions, saving
4775         the old type.
4776
4777 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
4778
4779         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
4780
4781 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
4782
4783         * tree-alias-common.c (gate_pta): New function.
4784         (pass_build_pta): Use it.
4785         (pass_del_pta): Use it.
4786         (delete_alias_vars): Don't check flag_tree_points_to.
4787
4788 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
4789
4790         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
4791         TFmode as additional register mode cloberred by call.
4792
4793 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
4794
4795         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
4796         parallel pattern for library call returning DImode in
4797         mixed mode.
4798
4799 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
4800
4801         * config/rs6000/rs6000.c (function_arg): Generate parallel
4802         pattern for more split args.
4803
4804 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
4805
4806         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
4807         either gen_movdi_di_update or gen_movdi_si_update depending on
4808         target mode.
4809         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
4810         to generate two versions.
4811
4812 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
4813
4814         * Makefile.in (lambda-code.o): New.
4815         (lambda-trans.o): Ditto.
4816         (TREE_DATA_REF_H): Ditto.
4817         (LAMBDA_H): Ditto.
4818         (lambda-mat.o): Use LAMBDA_H.
4819         (tree-data-ref.o): Ditto.
4820         * lambda-code.c: New file.  Lambda code generation algorithm.
4821         * lambda-trans.c: Ditto. Lambda transformation matrix support.
4822         * lambda.h: Add lambda loop structures.
4823         Add lambda loopnest structures.
4824         Add lambda body vector structure.
4825         Add lambda linear expression structures.
4826         Add prototypes for functions in new files.
4827         * lambda-mat.c: Include tree.h
4828
4829 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
4830             Sebastian Pop  <pop@cri.ensmp.fr>
4831
4832         * tree-data-ref.h: Include lambda.h
4833         (free_dependence_relation): Declared here.
4834         (free_dependence_relations): Ditto.
4835         (free_data_refs): Ditto.
4836         * tree-data-ref.c (free_dependence_relation): New function.
4837         (free_dependence_relations): Ditto.
4838         (free_data_refs): Ditot.
4839         (analyze_all_data_dependences): Free datarefs and dependence_relations.
4840         (build_classic_dist_vector): Store in the dependence_relations the
4841         information. Each arc in the dependence_relations graph is labelled
4842         with the distance and direction vectors.
4843         (build_classic_dir_vector): Ditto.
4844         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
4845         Now computes again the whole dependence graph including read-read
4846         relations.
4847         (compute_data_dependences_for_loop): Now dependence_relations contains
4848         all the data, and thus it doesn't need to initialize the classic_dir
4849         and classic_dist vectors.
4850         (analyze_all_data_dependences): Adjusted for using the new interface of
4851         compute_data_dependences_for_loop.  Remove the statistics dump.
4852
4853 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
4854
4855         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
4856         (xtensa_expand_block_move): Update comment.
4857         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
4858
4859 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
4860
4861         PR target/13506
4862         * toplev.c (crash_signal): If we crashed while emitting
4863         a user asm, then die more gracefully.
4864
4865 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4866
4867         PR target/17119.
4868         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
4869         checking for a valid constant, regardless of sign.
4870
4871 2004-08-25  Richard Henderson  <rth@redhat.com>
4872
4873         PR target/16974
4874         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
4875         if the constant satisfies add_operand.
4876
4877 2004-08-25  Richard Henderson  <rth@redhat.com>
4878
4879         PR debug/10695
4880         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
4881         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
4882         unwind info for >16-bit frames.
4883
4884 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
4885
4886         PR target/17171
4887         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
4888
4889 2004-08-25  Richard Henderson  <rth@redhat.com>
4890
4891         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
4892         (TARGET_CANNOT_FORCE_CONST_MEM): New.
4893
4894 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
4895
4896         * doc/tree-ssa.texi: Document new operand iterator.
4897
4898 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
4899
4900         PR target/16480
4901         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
4902         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
4903         as PLUS base regs.
4904
4905 2005-08-28  Paul Brook  <paul@codesourcery.com>
4906
4907         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
4908         -mfpu=vfp -march=armv5t
4909         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
4910
4911 2004-08-25  Richard Henderson  <rth@redhat.com>
4912
4913         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
4914         * target.h (struct gcc_target): Add scalar_mode_supported_p.
4915         * targhooks.c (default_scalar_mode_supported_p): New.
4916         * targhooks.h (default_scalar_mode_supported_p): Declare.
4917         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
4918
4919         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
4920         before attempting to create types.  Tidy.
4921         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
4922
4923         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
4924         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
4925
4926 2004-08-25  Richard Henderson  <rth@redhat.com>
4927
4928         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
4929         set REAL_MODE_FORMAT for TFmode.
4930
4931 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
4932
4933         * c-decl.c (grokparm): New function.
4934         * c-tree.h (grokparm): New prototype.
4935
4936 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
4937
4938         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
4939         iterator controlling structure.
4940         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
4941         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
4942         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
4943         iterator flags.
4944         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
4945         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
4946         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
4947         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
4948         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
4949         Empty operand pointers.
4950         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
4951         (op_iter_next_use): New.  Return next use_operand_p.
4952         (op_iter_next_def): New.  Return next def_operand_p.
4953         (op_iter_next_tree): New.  Return next operands as a tree.
4954         (op_iter_init): New.  Initialize an iterator structure.
4955         (op_iter_init_use): New.  Initialize structure and get the first use.
4956         (op_iter_init_def): New.  Initialize structure and get the first def.
4957         (op_iter_init_tree): New.  Initialize structure and get the first tree.
4958         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
4959         (op_iter_init_maydef): New.  Initialize structure and get the first
4960         V_MAY_DEF operands.
4961         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
4962         * tree-dfa.c (compute_immediate_uses_for_stmt,
4963         redirect_immediate_uses): Use new operand iterator.
4964         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
4965         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
4966         operands instead of using *_disappeared_p routines.
4967         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
4968         ssa_rewrite_stmt): Use new operand iterator.
4969         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
4970         rewrite_trees): Use new operand iterator.
4971         * tree-pretty-print.c (dump_vops): Use new operand iterator.
4972         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
4973         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
4974         dump_points_to_info): Use new operand iterator.
4975         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
4976         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
4977         operand iterator.
4978         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
4979         propagate_necessity): Use new operand iterator.
4980         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
4981         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
4982         a parameter instead of a stmt_ann_t.
4983         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
4984         build_tree_conflict_graph): Use new operand iterator.
4985         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
4986         rewrite_mem_refs): Use new operand iterator.
4987         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
4988         check_loop_closed_ssa_use): Use new operand iterator.
4989         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
4990         * tree-ssanames.c (release_defs): Use new operand iterator.
4991         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
4992
4993 2004-08-25  Adam Nemet  <anemet@lnxw.com>
4994
4995         * tlink.c (initial_cwd): New variable.
4996         (tlink_init): Initialize it.
4997         (recompile_files): Use tlink_execute() instead of system().  Don't
4998         duplicate verbose output of collect_execute.  Restore initial_cwd.
4999         Update comment before the function.
5000
5001 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
5002
5003         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
5004         accept) a cast from one Objective-C pointer type to another.
5005
5006 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
5007
5008         * doc/install.texi: Document that libstdc++-v3 requires
5009         now automake 1.9.1.
5010
5011 2004-08-25  Caroline Tice  <ctice@apple.com>
5012
5013         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
5014         to comments at start of function.
5015         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
5016         comment.
5017         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5018         merge_blocks_move_predecessor_nojumps,
5019         merge_blocks_move_successor_nojumps, merge_blocks_move,
5020         try_crossjump_to_edge, try_crossjump_bb): Likewise.
5021         * cfglayout.c (fixup_reorder_chain): Likewise.
5022         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5023         cfg_layout_can_merge_blocks_p):  Likewise.
5024         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
5025         * passes.c (rest_of_compilation): Update comments for calling
5026         optimization that partitions hot/cold basic blocks.
5027         * doc/invoke.texi:  Update documentation of
5028         freorder-blocks-and-partition flag.
5029
5030 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
5031
5032         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
5033         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
5034
5035 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
5036
5037         * config/mips/mips.md (any_shift): New code macro.
5038         (optab, insn): New code attributes.
5039         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
5040         Use the standard rather than internal patterns for the MIPS16
5041         double-shift optimization.
5042         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
5043         Redefine using :GPR and any_shift.
5044         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
5045         to cover all three shifts.
5046         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
5047         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
5048         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
5049
5050 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
5051
5052         * gimplify.c (lookup_tmp_var): Separate temporaries when not
5053         optimizing.
5054
5055 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5056
5057         PR libstdc++/17005 (fix for HP-UX 11.11)
5058         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
5059         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
5060         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
5061         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
5062         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
5063         (LINK_SPEC): Handle march=1.0 option.
5064         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
5065         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
5066         (SUBTARGET_OPTIONS): New define.
5067         (LINK_SPEC): Handle march=1.0 option.
5068         (STARTFILE_SPEC): New define.
5069         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
5070         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
5071         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
5072         (SUBTARGET_OPTIONS): New define.
5073         (LINK_SPEC): Handle march=1.0 option.
5074         (STARTFILE_SPEC): New define.
5075         * config/pa/pa.c (override_options): Add code to process -munix= option.
5076         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
5077         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
5078         defines.
5079         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
5080         (SUBTARGET_OPTIONS): Provide default define.
5081         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
5082         STANDARD_STARTFILE_PREFIX_2): New defines.
5083         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
5084         (ENDFILE_SPEC): Use %O.
5085         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
5086         Mention issue caused by changing namespace and runtime to UNIX 95/98.
5087         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
5088         Document -munix=std option.
5089
5090 2004-08-25  Steven Bosscher  <stevenb@suse.de>
5091
5092         * cse.c (cse_around_loop, cse_check_loop_start,
5093         cse_set_around_loop): Remove.
5094         (cse_basic_block): Remove the around_loop argument.
5095         (cse_end_of_basic_block): Remove the after_loop argument.
5096         (cse_main): Likewise.
5097         * rtl.h (cse_main): Update prototype.
5098         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
5099         rest_of_handle_gcse): Update cse_main calls.
5100
5101 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
5102
5103         * tree.h  (build_int_cst): New, sign extended constant.
5104         (build_int_cstu): New, zero extended constant.
5105         (build_int_cst_wide): Renamed from build_int_cst.
5106         * tree.c (build_int_cst, build_int_cstu): New.
5107         (build_int_cst_wide): Renamed from build_int_cst.
5108         (make_vector_type, build_common_tree_nodes,
5109         build_common_tree_nodes_2): Adjust build_int_cst calls.
5110         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
5111         expand_builtin_strpbrk, expand_builtin_fputs,
5112         build_string_literal, expand_builtin_printf,
5113         expand_builtin_sprintf, fold_builtin_classify_type,
5114         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
5115         fold_builtin_toascii, fold_builtin_isdigit,
5116         simplify_builtin_strstr, simplify_builtin_strpbrk,
5117         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
5118         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
5119         DEF_ATTR_INT): Likewise.
5120         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
5121         Likewise.
5122         * c-lex.c (interpret_integer, lex_charconst): Likewise.
5123         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
5124         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5125         * c-typeck.c (really_start_incremental_init, push_init_level,
5126         set_nonincremental_init_from_string): Likewise.
5127         * calls.c (load_register_parameters): Likewise.
5128         convert.c (convert_to_pointer): Likewise.
5129         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
5130         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
5131         build_gcov_info): Likewise.
5132         * except.c (init_eh, assign_filter_values): Likewise.
5133         * expmed.c (store_fixed_bit_field, extract_bit_field,
5134         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
5135         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
5136         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
5137         * expr.c (convert_move, emit_group_load, emit_group_store,
5138         expand_assignment, store_constructor, store_field,
5139         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
5140         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
5141         invert_truthvalue, optimize_bit_field_compare,
5142         decode_field_reference, all_ones_mask_p, constant_boolean_node,
5143         fold_div_compare, fold, fold_read_from_constant_string,
5144         fold_negate_const, fold_abs_const, fold_not_const, round_up,
5145         round_down): Likewise.
5146         * function.c (assign_parm_setup_block): Likewise.
5147         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
5148         Likewise.
5149         * stor-layout.c (layout_type, initialize_sizetypes,
5150         set_min_and_max_values_for_integral_type): Likewise.
5151         * tree-chrec.c (chrec_fold_multiply_poly_poly,
5152         reset_evolution_in_loop): Likewise.
5153         * tree-chrec.h (build_polynomial_chrec): Likewise.
5154         * tree-complex.c (build_replicated_const): Likewise.
5155         * tree-eh.c (honor_protect_cleanup_actions,
5156         lower_try_finally_onedest, lower_try_finally_copy,
5157         lower_try_finally_switch): Likewise.
5158         * tree-mudflap.c (mf_build_string, mx_register_decls,
5159         mudflap_register_call, mudflap_enqueue_constant): Likewise.
5160         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
5161         * tree-pretty-print.c (dump_generic_node): Likewise.
5162         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
5163         Likewise.
5164         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
5165         * tree-ssa-loop-niter.c (number_of_iterations_cond,
5166         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
5167         Likewise.
5168         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
5169         canonicalize_loop_induction_variables): Likewise.
5170         * tree-vectorizer.c (vect_create_index_for_array_ref,
5171         vect_transform_loop_bound, vect_compute_data_ref_alignment):
5172         Likewise.
5173
5174         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
5175         alpha_gimplify_va_arg_1): Likewise.
5176         * config/arm/arm.c (arm_get_cookie_size): Likewise.
5177         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5178         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
5179         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
5180         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
5181         mips_gimplify_va_arg_expr): Likewise.
5182         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5183         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
5184         add_compiler_branch_island): Likewise.
5185         * config/s390/s390.c (s390_va_start): Likewise.
5186         * config/sh/sh.c (sh_va_start): Likewise.
5187         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
5188         Likewise.
5189         * config/xtensa/xtensa.c (xtensa_va_start,
5190         xtensa_gimplify_va_arg_expr): Likewise.
5191
5192         * objc/objc-act.c (build_objc_string_object,
5193         build_objc_symtab_template, init_def_list, init_objc_symtab,
5194         init_module_descriptor, generate_static_references,
5195         build_selector_translation_table, get_proto_encoding,
5196         build_typed_selector_reference, build_selector_reference,
5197         build_next_objc_exception_stuff,
5198         build_method_prototype_list_template, generate_descriptor_table,
5199         generate_protocols, build_protocol_initializer,
5200         build_ivar_list_template, build_method_list_template,
5201         build_ivar_list_initializer, generate_ivars_list,
5202         generate_dispatch_table, generate_protocol_list,
5203         build_category_initializer, build_shared_structure_initializer,
5204         generate_shared_structures, handle_impent,
5205         generate_objc_image_info): Likewise.
5206
5207 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
5208
5209         * cfglayout.c (duplicate_insn_chain): Remove references to
5210         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
5211         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
5212         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
5213         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
5214         and NOTE_INSN_LOOP_CONT.
5215         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
5216         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
5217         and NOTE_INSN_LOOP_CONT.
5218         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
5219         check_dbra_loop, loop_dump_aux): Remove references to removed notes
5220         and fields.
5221         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
5222         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
5223         references to removed notes and fields.
5224         (subtract_reg_term, ujump_to_loop_cont): Remove.
5225
5226 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
5227
5228         * doc/install.texi: Document that libcpp does not require
5229         Automake any longer.  Document that Automake 1.9.1 should
5230         work everywhere.
5231
5232 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
5233
5234         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
5235         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
5236         DWARF_DEBUGGING_INFO from choice-of-definition chain;
5237         restructure using C89 features (#elif, #error).
5238         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
5239         * config/sh/sh.h: Remove references to DWARF_DEBUG.
5240         * doc/invoke.texi: Remove references to DWARF version 1;
5241         clarify why -gdwarf-2<n> doesn't work.
5242
5243 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
5244
5245         * basic-block.h (BB_SET_PARTITION): Clear old value first.
5246         * cfg.c (clear_bb_flags): Don't clear partition setting.
5247         * ifcvt.c (find_if_case_1): Remove ??? comment.
5248
5249 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
5250
5251         PR target/17052
5252         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
5253         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5254         current_function_stdarg in place of sysv_varargs_p.
5255         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
5256         sysv_varargs_p.
5257
5258 2004-08-24  Richard Henderson  <rth@redhat.com>
5259
5260         PR target/16298
5261         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
5262         random codes within CONST.
5263
5264 2004-08-24  James E Wilson  <wilson@specifixinc.com>
5265
5266         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
5267         -freorder-blocks-and-partition.
5268
5269 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5270
5271         PR middle-end/17044
5272         * tree-ssa-threadupdate.c (redirection_data): Make static.
5273         (thread_block): Use ggc_alloc_cleared to allocate struct
5274         redirection_data.  Don't free elements in redirection_data.
5275
5276 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5277
5278         * config/mips/predicates.md (small_data_pattern): Match prefetches.
5279
5280 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5281
5282         PR tree-optimization/17016
5283         * tree-ssa-loop-niter.c (number_of_iterations_cond,
5284         number_of_iterations_exit): Use POINTER_TYPE_P instead
5285         of testing for POINTER_TYPE.
5286
5287 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5288
5289         * tree-ssa-loop-ivcanon.c: New file.
5290         * tree-ssa-loop-manip.c (create_iv): New function.
5291         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
5292         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
5293         * cfgloop.c (mark_single_exit_loops): New function.
5294         (verify_loop_structure): Verify single-exit loops.
5295         * cfgloop.h (struct loop): Add single_exit field.
5296         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
5297         (mark_single_exit_loops): Declare.
5298         (tree_num_loop_insns): Declare.
5299         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
5300         (duplicate_loop_to_header_edge): Use it.
5301         * common.opt (fivcanon): New flag.
5302         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
5303         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
5304         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
5305         (bsi_insert_on_edge_immediate): New function.
5306         * tree-flow.h (bsi_insert_on_edge_immediate,
5307         canonicalize_induction_variables, tree_unroll_loops_completely,
5308         create_iv): Declare.
5309         * tree-optimize.c (init_tree_optimization_passes): Add
5310         pass_iv_canon and pass_complete_unroll.
5311         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
5312         * tree-scalar-evolution.c (get_loop_exit_condition,
5313         get_exit_conditions_rec, number_of_iterations_in_loop,
5314         scev_initialize): Use single_exit information.
5315         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
5316         missing assumptions.
5317         (loop_niter_by_eval):  Return number of iterations as unsigned
5318         int.
5319         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
5320         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
5321         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
5322         New passes.
5323         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
5324         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
5325         the defining statement is ready.
5326         * tree-vectorizer.c (vect_create_iv_simple): Removed.
5327         (vect_create_index_for_array_ref, vect_transform_loop_bound):
5328         Use create_iv.
5329         (vect_transform_loop_bound): Use single_exit information.
5330         (vect_analyze_loop_form): Cleanup bogus tests.
5331         (vectorize_loops): Do not call flow_loop_scan.
5332         * tree.h (may_negate_without_overflow_p): Declare.
5333         * fold-const.c (may_negate_without_overflow_p): Split out from ...
5334         (negate_expr_p): ... this function.
5335         (tree_expr_nonzero_p): Handle overflowed constants correctly.
5336         * doc/invoke.texi (-fivcanon): Document.
5337         * doc/passes.texi: Document canonical induction variable creation.
5338
5339 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5340
5341         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
5342         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
5343         using the mode of the operand to decide between them.
5344         * config/mips/mips.md (MOVECC): New mode macro.
5345         (ccreg): New mode attribute.
5346         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
5347         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
5348         (mov[sd]icc): Redefine using :GPR.
5349
5350 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5351
5352         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
5353         (mips_prefetch_cookie): New function.
5354         * config/mips/mips.c (print_operand_address): Fix handling of
5355         ADDRESS_CONST_INT.
5356         (mips_emit_prefetch): Delete.
5357         (mips_prefetch_cookie): New function.
5358         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
5359         mode of QImode for the address_operand.  Use mips_prefetch_cookie
5360         to calculate the first "pref" operand.
5361         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
5362         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
5363
5364 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
5365
5366         * arm.md: Include predicates.md.
5367         * predicates.md: New file.
5368         * arm.c (s_register_operand, arm_hard_register_operand)
5369         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
5370         (arm_immediate_operand, arm_neg_immediate_operand)
5371         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
5372         (arm_add_operand, arm_addimm_operand, arm_not_operand)
5373         (offsettable_memory_operand, alignable_memory_operand)
5374         (arm_reload_memory_operand, arm_float_rhs_operand)
5375         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
5376         (index_operand, shiftable_operator, logical_binary_operator)
5377         (shift_operator, equality_operator, arm_comparison_operator)
5378         (minmax_operator, cc_register, dominant_cc_register)
5379         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
5380         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
5381         (const_shift_operand, load_multiple_operation)
5382         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
5383         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
5384         (cirrus_register_operand, cirrus_fp_register)
5385         (cirrus_shift_const): Delete, replaced with equivalents in
5386         predicates.md.
5387         (shift_op): Handle ROTATE.
5388         * arm-protos.h: Delete declarations for above.
5389         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
5390         * t-arm (MD_INCLUDES): Add predicates.md.
5391         (s-preds): Depends on MD_INCLUDES.
5392
5393 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5394
5395         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
5396         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
5397         patterns.  Redefine using :GPR.  Give the match_operator a mode.
5398         Use '%2' rather than '%z2' for operand 2.
5399
5400 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5401
5402         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
5403         attribute.
5404
5405 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5406
5407         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
5408         of internal patterns.
5409         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
5410         Redefine using :P.
5411         (tablejump): Use expand_binop to calculate address.  Adjust names
5412         of internal patterns.
5413         (tablejump[sd]i): Renamed from tablejump_internal[12].
5414         Redefine using :P.
5415         (tablejump_mips16[12]): Delete.
5416
5417 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5418
5419         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
5420         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
5421         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
5422         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
5423         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
5424
5425 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5426
5427         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
5428         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
5429         using :GPR.
5430         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
5431         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
5432         (*branch_equality[sd]i_inverted): Likewise
5433         branch_equality{,_di}_inverted.
5434         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
5435         Redefine using :GPR.
5436
5437 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
5438
5439         * rtl.def: Reorganize, placing all codes used only in machine
5440         descriptions at the end.
5441
5442         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
5443         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
5444         rtx_name, rtx_format arrays by direct reference to rtl.def,
5445         first undefining GENERATOR_FILE.  Define enum insn_note and
5446         note_insn_name array by direct reference to insn-notes.def.
5447         (adjust_field_rtx_def): Remove local definition of rtx_name.
5448         Use symbolic names for insn notes.
5449         * Makefile.in (gengtype.o): Update dependencies.
5450
5451 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
5452
5453         * basic-block.h (struct basic_block_def): Reorder fields to
5454         eliminate interior padding.  Remove 'partition' field.
5455         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
5456         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
5457         (BB_COPY_PARTITION): New macros.
5458         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
5459         Replace all references to the 'partition' field of a basic
5460         block with new macros.
5461
5462         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
5463         * final.c (final_scan_insn): Don't handle it.
5464         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
5465         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
5466         * sched-rgn.c (sched_is_disabled_for_current_region_p):
5467         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
5468
5469 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
5470
5471         * c-decl.c (c_init_decl_processing): Adjust
5472         build_common_tree_nodes call.
5473         * expmed.c (const_mult_add_overflow_p): Use
5474         build_distinct_type_copy.
5475         * stor-layout.c (early_type_list): Remove.
5476         (layout_type): Don't append to early_type_list.
5477         (initialize_sizetypes): Add signed_p argument.
5478         (set_sizetype): Overwrite the stub type nodes directly.
5479         * tree.c (copy_node_stat): Clear a type's value cache here ...
5480         (build_distinct_type): ... not here.
5481         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
5482         * tree.h (initialize_sizetypes): Add signed_p argument.
5483         (build_common_tree_nodes): Likewise.
5484
5485         * objc/objc-act.c (get_static_reference): Use
5486         build_variant_type_copy.
5487         (get_protocol_reference): Likewise.
5488         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
5489
5490 2004-08-24  Richard Henderson  <rth@redhat.com>
5491             Andrew Pinski  <apinski@apple.com>
5492
5493         * gimplify.c (gimplify_array_ref_to_plus): Delete.
5494         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
5495         for ARRAY_REF.
5496
5497         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
5498         ARRAY_REF also to get to the STRING_CST.
5499
5500 2004-08-24  Paul Brook  <paul@codesourcery.com>
5501
5502         * config/arm/arm.c (arm_override_options): Update error message.
5503         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
5504         TARGET_HARD_FLOAT_ABI.
5505         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
5506         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
5507
5508 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5509
5510         PR target/17093
5511         * config/m32r.md (movsi_sda): Add SI mode specification to
5512         UNSPEC.
5513
5514 2004-08-24  Nick Clifton  <nickc@redhat.com>
5515
5516         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
5517         of seth_add3_operand.
5518
5519 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
5520
5521         * Makefile.in (PROTO_OBJS): Add errors.o.
5522         * protoize.c (fancy_abort): Remove.
5523         * mips-tfile.c (fancy_abort): Add parameters.
5524
5525 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
5526
5527         * doc/trouble.texi (C++ misunderstandings): Fix example code.
5528
5529 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
5530
5531         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
5532         (host-default.o): Add dependency on HOOKS_H.
5533         * config/x-linux: Likewise.
5534         * config/x-solaris: Likewise.
5535         * config/i386/x-mingw32: Likewise.
5536         * config/rs6000/x-darwin: Likewise.
5537
5538 2004-08-23  James E Wilson  <wilson@specifixinc.com>
5539
5540         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
5541         DEF_REG_NOTE.
5542
5543 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
5544
5545         PR c/14492
5546         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
5547
5548 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
5549
5550         * cfg.c (check_bb_profile): Fix typos.
5551         * function.c (assign_parm_is_stack_parm): Likewise.
5552         * tree-nested.c: Likewise.
5553
5554 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
5555
5556         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
5557         Remove TYPECODE.
5558         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
5559
5560 2004-08-23  Eric Christopher  <echristo@redhat.com>
5561
5562         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
5563         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
5564         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
5565         * target.h: Ditto.
5566         * hooks.h: Include machmode.h.
5567         (hook_bool_mode_false): Declare.
5568         * hooks.c (hook_bool_mode_false): Define.
5569         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
5570         * stor-layout.c (layout_type): Ditto.
5571         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
5572         Define to target macro.
5573         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
5574         * config/arm/arm.c: Ditto. Use.
5575         * config/arm/arm.h: Ditto.
5576         * config/arm/arm-protos.h: Ditto.
5577         * config/i386/i386.c: Ditto.
5578         * config/i386/i386.h: Ditto.
5579         * config/rs6000/rs6000.c: Ditto.
5580         * config/rs6000/rs6000.h: Ditto.
5581         * config/sh/sh.c: Ditto.
5582         * config/sh/sh.h: Ditto.
5583         * config/sh/sh-protos.h: Ditto.
5584         * config/sh/sh.md: Use.
5585         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
5586         to TARGET_VECTOR_MODE_SUPPORTED_P.
5587
5588 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
5589
5590         * Makefile.in (BUILD_ERRORS): Set to build-errors.
5591         (errors.o): New target for host.
5592         (build-errors.o): New target for build.
5593         (genobjs): Replace errors.o with build-errors.
5594         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
5595         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
5596         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
5597         (fix-header.o): Add errors.h
5598         * collect2.c (fancy_abort): Add parameters.
5599         * collect2.h (fancy_abort): Don't declare.
5600         * errors.h (fancy_abort): Don't declare.
5601         * errors.c: Include either bconfig.h or config.h.
5602         (fancy_abort): Trim filename.
5603         * fix-header.c (v_fatal, fatal): Remove.
5604         (progname): Remove definition.
5605         (main): Set progname here.
5606         * gcc.c (fancy_abort): Add parameters.
5607         * gcc.h (fancy_abort): Remove declaration.
5608         * gcov.c (fancy_abort): Remove.
5609         * rtl.h (fancy_abort): Don't declare.
5610         (abort): Don't define.
5611         * tree.h (fancy_abort): Don't declare.
5612         (abort): Don't define.
5613         * system.h (fancy_abort): Declare.
5614         (abort): Define to fancy_abort.
5615         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
5616
5617         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
5618         (usize_type, ubitsizetype): Remove.
5619         * stor-layout.c (set_sizetype): Don't initialize usizetype,
5620         ubitsizetype.
5621         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
5622
5623         * tree.h (build_distinct_type_copy): New.
5624         (build_type_copy): ... here.  Rename to ...
5625         (build_variant_type_copy): ... here.
5626         * tree.c (build_qualified_type): Rename build_type_copy call.
5627         (build_distinct_type_copy): New, broken out of ...
5628         (build_type_copy): ... here.  Rename to ...
5629         (build_variant_type_copy): ... here.  Use
5630         build_distinct_type_copy.
5631         (build_common_tree_nodes_2): Rename build_type_copy call.
5632         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
5633         call.
5634         (handle_packed_attribute, handle_unused_attribute,
5635         handle_transparanet_union_attribute, handle_aligned_attribute,
5636         handle_deprecated_attribute): Likewise.
5637         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
5638         Likewise.
5639         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
5640         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
5641         build_distinct_type_copy.
5642
5643 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5644
5645         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
5646         attribute.
5647
5648 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5649
5650         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
5651         loads and stores.
5652         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
5653         formerly unnamed patterns.  Redefine using :P for the address.  Remove
5654         explicit length attributes.
5655
5656 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5657
5658         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
5659         New functions.
5660         (single_reachable_address): Use them.
5661         (schedule_sm): Add dump.
5662         (is_call_clobbered_ref): New function.
5663         (determine_lsm_reg): Check whether the reference is call clobbered.
5664         Only work for gimple_reg_type values.
5665
5666 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5667
5668         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
5669         $31 store insns.  Redefine using :GPR.
5670
5671 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5672
5673         * config/mips/mips.md (P): New mode macro.
5674         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
5675         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
5676         Add mode attributes.
5677
5678 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5679
5680         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
5681         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
5682         later constants to cover the gap.
5683         (load, store): New mode attributes.
5684         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
5685         Use new unspec constants.
5686
5687 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5688
5689         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
5690         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
5691         to use register_operand rather than uns_arith_operand as the predicate
5692         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
5693         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
5694         Redefine using :GPR.  Make same predicate change here.  Extend the
5695         commutativity of operands 1 and 2 from the SImode version to the
5696         DImode one.
5697         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
5698         but with no predicate changes.
5699         (*nor[sd]i3): Redefine using :GPR.
5700
5701 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5702
5703         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
5704         noreturn functions.
5705
5706 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5707
5708         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
5709         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
5710         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
5711         rather than "%z2" (with a fake const0_rtx for operand 2).
5712         (ffs[sd]i2): Redefine using :GPR.
5713         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
5714
5715 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5716
5717         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
5718
5719 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5720
5721         * config/mips/mips.md (any_extend): New code macro.
5722         (u, su): New code attributes.
5723         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
5724         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
5725         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
5726         (*{s,u}mul_acc_di): Redefine using any_extend.
5727         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
5728         to reflect real insn names.
5729         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
5730         with an any_extend template.
5731         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
5732         Add '*' to name.
5733
5734 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5735
5736         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
5737         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
5738         (mul[sd]i3_r4000): Redefine using :GPR.
5739         (mulsi3_mult3): Don't check TARGET_MAD separately.
5740         (muldi3_mult3): Moved after mulsi_mult3.
5741
5742 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5743
5744         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
5745         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
5746         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
5747         (TARGET_GAS, TARGET_MIPS_AS): Delete.
5748         (TARGET_GPWORD): Define to true for n32 on IRIX.
5749         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
5750         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
5751         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
5752         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
5753         (MDEBUG_ASM_SPEC): Delete, folding into...
5754         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
5755         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
5756         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
5757         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
5758         to define asm_abi_default_spec.
5759         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
5760         (TARGET_ASM_SELECT_SECTION): Delete.
5761         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
5762         for non-mips16 code, removing previous workaround for SGI assemblers.
5763         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
5764         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
5765         (override_options): Remove !TARGET_GAS and !have_named_sections code.
5766         (print_operand): Fold TARGET_GAS conditionals into asm strings.
5767         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
5768         ASM_STABS_OP and ASM_STABN_OP.
5769         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
5770         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
5771         (mips_output_function_prologue): Remove !TARGET_GAS code.
5772         (mips_select_rtx_section): Remove !have_named_sections code.
5773         (mips_select_section): Delete.
5774         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
5775         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
5776         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
5777         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
5778         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
5779         * config/mips/windiss.h (ASM_SPEC): Likewise.
5780
5781 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5782
5783         * read-rtl.c (map_value, mapping, macro_group): New structures.
5784         (BELLWETHER_CODE): New macro.
5785         (modes, codes, bellwether_codes): New variables.
5786         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
5787         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
5788         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
5789         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
5790         (add_map_value, initialize_macros): New functions.
5791         (def_hash, def_hash_eq_p): Generalize to anything that points to,
5792         or starts with, a char * field.
5793         (find_macro, read_mapping, check_code_macro): New functions.
5794         (read_rtx_1): New, split out from read_rtx.  Handle the new
5795         define_{mode,code}_{macro,attr} constructs.  Use find_macro
5796         to parse the name of a code or mode.  Use BELLWETHER_CODE to
5797         extract the format and to choose a suitable code for rtx_alloc.
5798         Modify recursive invocations to use read_rtx_1.
5799         (read_rtx): Call initialize_macros.  Apply code and mode macros
5800         to the rtx returned by read_rtx_1.  Cache everything after the
5801         first macro expansion for subsequent read_rtx calls.
5802         * doc/md.texi: Document new .md constructs.
5803         * config/mips/mips.md (GPR): New mode macro.
5804         (d, si8_di5): New mode attributes.
5805         (any_cond): New code macro.
5806         (add[sd]i3): Redefine using :GPR.
5807         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
5808         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
5809         previously unnamed MIPS16 patterns.
5810         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
5811         lines.  Don't match (plus (const_int 0) ...).
5812         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
5813         Use a define_split to generate the addition.
5814         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
5815         (subsi3_internal): Delete.
5816         (*subsi3_extended): Renamed from subsi3_internal_2.
5817         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
5818         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
5819         using an any_cond template.
5820
5821 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5822
5823         * read-rtl.c (read_rtx): Tidy use of format_ptr.
5824
5825 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5826
5827         * read-rtl.c (string_obstack): New file-scope variable.
5828         (read_string, read_quoted_string, read_braced_string)
5829         (read_escape): Remove obstack parameter and use string_obstack instead.
5830         (read_rtx): Remove function-local rtl_obstack and initialize
5831         string_obstack instead.  Update call to read_string.
5832
5833 2004-08-22  Andrew Pinski  <apinski@apple.com>
5834
5835         PR c/15262
5836         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
5837         expression is not constant.
5838         (c_finish_return): Do not go through INDIRECT_REF when looking
5839         for the inner expression of an ADDR_EXPR for warning about.
5840
5841 2004-08-22  Richard Henderson  <rth@redhat.com>
5842
5843         PR 17075
5844         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
5845         create new blocks and fall through.
5846         (expand_gimple_basic_block): Update to match.
5847
5848 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
5849
5850         * reload.c (find_reloads_address): Make return value tri-state.
5851         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
5852         (find_reloads): Assume that reloaded addresses match 'o' or
5853         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
5854         returned 1 (not -1).  Omit optional reloads for address operands
5855         only if find_reloads_address returned 1 (not -1).
5856
5857         * config/s390/s390.c (legitimize_reload_address): New function.
5858         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
5859         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
5860         legitimize_reload_address.
5861
5862 2004-08-22  Richard Hendersion  <rth@redhat.com>
5863
5864         * tree.h (SAVE_EXPR_RESOLVED_P): New.
5865         * gimplify.c (gimplify_save_expr): Use it.
5866         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
5867         on the temporary variable.
5868
5869 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
5870
5871         * fold-const.c (rtl_expr_nonnegative_p): Delete.
5872         * tree.h (rtl_expr_nonnegative_p): Remove.
5873
5874 2004-08-22  Steven Bosscher  <stevenb@suse.de>
5875
5876         * config/i386/ppro.md (ppro_complex_insn): Add missing check
5877         for cpu==pentiumpro.
5878
5879         * combine.c (struct reg_stat): Fix comment typo.
5880
5881 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5882
5883         * c-tree.h (c_sizeof_nowarn): Remove.
5884
5885 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
5886
5887         * c-decl.c (set_array_declarator_type): Rename to
5888         set_array_declarator_inner.
5889         (build_c_parm, build_attrs_declarator, build_function_declarator):
5890         New functions.
5891         (make_pointer_declarator): Call build_attrs_declarator.
5892         * c-tree.h (set_array_declarator_type): Rename to
5893         set_array_declarator_inner.
5894         (build_c_parm, build_attrs_declarator, build_function_declarator):
5895         New prototypes.
5896         * c-parse.in (after_type_declarator,
5897         parm_declarator_starttypename, parm_declarator_nostarttypename,
5898         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
5899         firstparm): Use these functions
5900
5901 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
5902
5903         * c-decl.c (build_array_declarator, set_array_declarator_type,
5904         start_decl, grokdeclarator, grokparms): Change boolean parameters
5905         to type bool.
5906         * c-tree.h (build_array_declarator, set_array_declarator_type,
5907         start_decl): Update prototypes.
5908         * c-decl.c, c-parse.in: All callers changed.
5909
5910 2004-08-21  Mike Stump  <mrs@apple.com>
5911
5912         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
5913         (darwin_fix_and_continue): Likewise.
5914         (darwin_fix_and_continue_switch): Likewise.
5915         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
5916         (darwin_fix_and_continue): Likewise.
5917         (darwin_fix_and_continue_switch): Likewise.
5918
5919 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
5920
5921         PR  c++/16030
5922         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
5923         Remove, merging into ...
5924         (gen_stdcall_or_fastcall_suffix): New function, returning tree
5925         rather than const char*, and accepting additional parameter.
5926         Don't add suffix to '*'-prefixed symbols or variadic functions.
5927         (i386_pe_encode_section_info): Adjust for call to new function.
5928         Call change_decl_assembler_name.
5929
5930 2004-08-20  Mike Stump  <mrs@apple.com>
5931
5932         * config/darwin.c (machopic_indirect_data_reference): Mark
5933         stubs as defined.
5934         * config/386/386.c (darwin_local_data_pic): Add.
5935         (legitimate_constant_p): Reorder so that PLUS handling runs
5936         before darwin_local_data_pic to match the ordering in
5937         legitimate_pic_address_disp_p and so that MINUS runs after
5938         darwin_local_data_pic as otherwise the darwin_local_data_pic
5939         logic can be skipped, which would be very bad.
5940         (legitimate_pic_address_disp_p): Move from from here to
5941         darwin_local_data_pic so it can be reused.
5942
5943 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
5944
5945         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
5946         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
5947         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
5948         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
5949         (RS6000_ABI_NAME): Define as "linux".
5950         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
5951         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
5952         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
5953         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
5954         * config/rs6000/rs6000.c (dot_symbols): New global var.
5955         (rs6000_output_function_entry): New function, modified for
5956         !DOT_SYMBOLS..
5957         (print_operand <case 'z'>): ..extracted from here.
5958         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
5959         (rs6000_output_function_epilogue): Likewise.
5960         (rs6000_elf_declare_function_name): Likewise.
5961         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
5962         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
5963         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
5964         * configure: Regenerate.
5965         * config.in: Regenerate.
5966
5967 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
5968
5969         * reload.c (find_reloads_address): Fix thinko in previous change.
5970
5971         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
5972         a CONST_INT.
5973
5974 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
5975
5976         PR rtl-optimization/17099
5977         * combine.c (force_to_mode): Check if inner_mask has any bits set
5978         outside of GET_MODE (x) instead of op_mode.
5979
5980 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
5981
5982         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
5983         fragment.
5984         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
5985         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
5986         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
5987         architecture.
5988         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
5989         configurations.
5990         * config/arm/t-symbian: New file.
5991
5992 2004-08-20  Andrew Pinski  <apinski@apple.com>
5993
5994         * regrename.c (kill_value_regno): ANSIfy.
5995
5996 2004-08-20  Dale Johannesen  <dalej@apple.com>
5997
5998         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
5999
6000 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
6001
6002         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
6003         (kill_value_regno): New function, derived from kill_value.
6004         (kill_value): Update.
6005         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
6006
6007 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
6008
6009         Fix PR tree-optimization/17111
6010         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
6011         of non-value_handles.
6012         (bitmap_set_contains): All constants are in every set.
6013
6014 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
6015
6016         * fold-const.c (round_up, round_down): Use build_int_cst.
6017         Optimize common case.
6018
6019 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
6020             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6021
6022         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
6023         one_only_data_section): Rename to som_readonly_data_section,
6024         som_one_only_readonly_data_section and som_one_only_data_section.
6025         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
6026         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
6027         conditional defines.
6028         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
6029         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
6030         string values.
6031         (pa_select_section): Use renamed section functions.
6032         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
6033         SOM_READONLY_DATA_SECTION_FUNCTION,
6034         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6035         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
6036         Define here ...
6037         * config/pa/som.h: ... not here.
6038         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6039         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
6040         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6041         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
6042         (READONLY_DATA_SECTION): Use som_readonly_data_section.
6043
6044 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
6045
6046         * fold-const.c (int_const_binop): Don't generate non-overflowing
6047         size-types specially.
6048         (fold_convert_const): Likewise.
6049
6050         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
6051         clear cache on copied sizetype.
6052
6053 2004-08-20  Ben Elliston  <bje@au.ibm.com>
6054
6055         * configure.ac: Don't escape apostrophe in --enable-coverage help.
6056         * configure: Regenerate.
6057
6058 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
6059
6060         PR 5620
6061         * gcc.c (struct stat input_stat): Don't define if
6062         HOST_LACKS_INODE_NUMBERS
6063         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
6064         than stat to determine if temp file is same as input file.
6065         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
6066         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
6067
6068 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
6069
6070         * configure.ac (mips*-*-*): Print an error if not using GAS.
6071         * configure: Regenerated.
6072         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
6073         comments about buggy MIPSpro assemblers.
6074         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
6075         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
6076         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
6077         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
6078         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
6079         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
6080         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
6081         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
6082         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
6083         of more general IRIX 6 definitions.
6084         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
6085         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
6086         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
6087         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
6088         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
6089         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
6090         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
6091         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
6092         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
6093         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
6094         (LINK_SPEC): Move most of definition to iris.h.
6095         (SUBTARGET_LINK_SPEC): New macro.
6096         (IRIX_STARTFILE_SPEC): Fold into...
6097         (STARTFILE_SPEC): ...here.
6098         (IRIX_ENDFILE_SPEC): Fold into...
6099         (ENDFILE_SPEC): ...here.
6100         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
6101         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
6102         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
6103         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
6104         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
6105         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
6106         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
6107         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
6108         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
6109         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
6110         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
6111         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
6112         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
6113         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
6114         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
6115         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
6116         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
6117         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
6118         (TARGET_IRIX6): Define to 1.
6119         (DRIVER_SELF_SPECS): Define.
6120         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
6121         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
6122         (SUBTARGET_LINK_SPEC): New macro.
6123         (IRIX_STARTFILE_SPEC): Fold into...
6124         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
6125         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
6126         (LIB_SPEC, LIBGCC_SPEC): Use them.
6127         (LIB_SPEC): Remove !mabi=* case.
6128         (IRIX_ENDFILE_SPEC): Fold into...
6129         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
6130         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
6131         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
6132         (TARGET_IRIX6): New macro.
6133         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
6134         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
6135         (LABEL_AFTER_LOC): Delete.
6136         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
6137         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
6138         (mips_build_builtin_va_list): Check TARGET_IRIX6.
6139         (override_options): Remove TARGET_SGI_O32_AS-related code.
6140         (irix_output_external_libcall): Make static.
6141         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
6142         LABEL_AFTER_LOC.
6143         (mips_file_start): Tidy guard for ABI sections.  Remove use of
6144         ABICALLS_ASM_OP; use .abicalls instead.
6145         (mips_output_aligned_decl_common, mips_declare_object_name)
6146         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
6147         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
6148         .globl foo .text directives.
6149         (irix_asm_named_section_1, irix_asm_named_section)
6150         (irix_section_align_entry, irix_section_align_htab)
6151         (irix_orig_asm_out_file, irix_section_align_entry_eq)
6152         (irix_section_align_entry_hash, irix_asm_output_align)
6153         (irix_file_start, irix_section_align_1, copy_file_data)
6154         (irix_file_end, irix_section_type_flags): Delete.
6155         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
6156         Use standard section syntax.  Remove protective "jr $31".
6157         (__gcc_fini): Likewise .gcc_fini.
6158         * config/mips/irix-crtn.asm: Adjust sections accordingly.
6159         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
6160         iris5gas.h.
6161         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
6162         from t-irix-gld.
6163         (EXTRA_MULTILIB_PARTS): Define.
6164         * config/mips/t-iris6: Remove bogus comment.
6165         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
6166         * config/mips/iris5gas.h, config/mips/iris5gld.h,
6167         config/mips/iris6gas.h, config/mips/iris6gld.h,
6168         config/mips/t-iris5-as, config/mips/t-iris5-gas
6169         config/mips/t-irix-gld: Delete.
6170         * config/mips/iris.h: New file.
6171         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
6172
6173 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
6174
6175         * postreload.c (reload_cse_move2add): Allow any condjump, but check
6176         that the implicit set isn't clobbered in the jump insn.
6177
6178 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
6179
6180         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
6181         * optabs.c (init_optabs): Don't check it.
6182         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
6183         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
6184
6185 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
6186
6187         * config/s390/s390.md (s390_warn_framesize_string)
6188         (s390_warn_dynamic_string, s390_stack_size_string)
6189         (s390_stack_guard_string): New global string variables.
6190         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
6191         (s390_stack_guard): New global variables.
6192         (override_options): Added checks for the new options.
6193         (s390_emit_prologue): Emit stack check and trap code and perform
6194         compile time stack size checking.
6195
6196         * config/s390/s390.h (TARGET_OPTIONS): Added new options
6197         "warn-framesize", "warn-dynamicstack", "stack-size" and
6198         "stack-guard".
6199
6200         * doc/invoke.texi: Added documentation for the new options.
6201
6202 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
6203
6204         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
6205         to eliminate warning.
6206         (linear_search_fdes): Declare p as unsigned.
6207         (binary_search_mixed_encoding_fdes): Likewise.
6208         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
6209         to eliminate warning.
6210         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
6211         type cast.
6212
6213 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
6214
6215         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
6216         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
6217         instead of one.  Check for strictly legitimate address.
6218         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
6219         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
6220
6221 2004-08-19  Eric Christopher  <echristo@redhat.com>
6222
6223         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
6224         * langhooks.h (unsave_expr_now): Ditto.
6225         * tree.h (unsave_expr_1): Remove prototype.
6226         (lhd_unsave_expr_now): Rename to unsave_expr_now.
6227         * tree-inline.c (unsave_expr_1): Move here
6228         from tree.c. Make static.
6229         (unsave_expr_now): Rename from lhd_unsave_expr_now.
6230         * tree-sra.c: Fix up for rename.
6231         * tree-ssa-copy.c: Ditto.
6232         * tree-eh.c: Ditto.
6233         * tree.c (unsave_expr_1): Move to tree-inline.c.
6234
6235 2004-08-19  Caroline Tice  <ctice@apple.com>
6236
6237         * config/i386/cygming.h (switch_to_section):  Fix typo (change
6238         in_unlikely_text_section to in_unlikely_executed_text).
6239
6240 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
6241
6242         * vec.h (VEC_lower_bound): New macro.
6243
6244 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
6245
6246         PR target/16446
6247         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
6248         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
6249         treat each ABI separately.  Deal with n32/n64 complex float arguments.
6250         (function_arg): Add associated complex handling here.
6251
6252 2004-08-19  Richard Henderson  <rth@redhat.com>
6253
6254         * config/arm/arm.c (arm_gen_load_multiple): Use
6255         adjust_automodify_address.  Take base memory and offset instead
6256         of unchanging/struct/scalar bits.
6257         (arm_gen_store_multiple): Likewise.
6258         (arm_gen_movmemqi): Use adjust_automodify_address.
6259         * config/arm/arm-protos.h: Update decls.
6260         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
6261         (store_multiple): Similarly.
6262
6263 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
6264
6265         * regclass.c (globalize_reg): Update call_really_used_regs.
6266
6267 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
6268
6269         * doc/invoke.texi (integer-share-limit): Document.
6270
6271         * tree.h (TYPE_CACHED_VALUES_P): New.
6272         (TYPE_CACHED_VALUES): New.
6273         (TYPE_ORIG_SIZE_TYPE): Adjust.
6274         * tree.def (INTEGER_CST): Update documentation.
6275         * tree.c: Inlcude params.h.
6276         (build_int_cst): Cache small values.
6277         (build_type_copy): Do not copy the value cache.
6278         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
6279         unneeded zeroing.
6280         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
6281         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
6282         cache.
6283         * fold-const.c (force_fit_type): Copy value when setting
6284         overflows.
6285         (int_const_binop): Likewise.
6286         * stor-layout.c: Include params.h
6287         (set_sizetype): Create values cache.
6288         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
6289         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
6290         * params.h (INTEGER_SHARE_LIMIT): New.
6291         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
6292
6293 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
6294
6295         * gimplify.c (gimplify_minimax_expr): Remove.
6296         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
6297
6298 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
6299
6300         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
6301         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
6302
6303 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
6304
6305         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
6306
6307 2004-08-18  Andrew Pinski  <apinski@apple.com>
6308
6309         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
6310
6311 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
6312
6313         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
6314         (__aeabi_ul2f): Likewise.
6315
6316 2004-08-18  Richard Henderson  <rth@redhat.com>
6317
6318         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
6319         move to rtl completely.
6320         (struct meminsnbuf, xtensa_emit_block_move): Remove.
6321         (xtensa_find_mode_for_size): Remove.
6322         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
6323         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
6324
6325 2004-08-18  Richard Henderson  <rth@redhat.com>
6326
6327         * config/mcore/mcore.c (mode_from_align): Remove DImode.
6328         (block_move_sequence): Rewrite to use adjust_address.
6329         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
6330         Return boolean indicating success/failure.
6331         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
6332         * config/mcore/mcore.md (movmemsi): Update to match.
6333
6334 2004-08-18  Mike Stump  <mrs@apple.com>
6335
6336         * doc/invoke.texi (-mfix-and-continue): Add support for
6337         fast turn around debugging.
6338         (-ffix-and-continue): Likewise.
6339         (-mindirect-data): Likewise.
6340         (-findirect-data): Likewise.
6341         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
6342         (indirect_data): Likewise.
6343         (machopic_data_defined_p): Likewise.
6344         (machopic_output_indirection): Likewise.
6345         (darwin_encode_section_info): Likewise.
6346         (darwin_fix_and_continue): Likewise.
6347         (darwin_fix_and_continue_switch): Likewise.
6348         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
6349         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
6350         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
6351         (SUBTARGET_OPTIONS): Likewise.
6352         (darwin_fix_and_continue): Likewise.
6353         (darwin_fix_and_continue_switch): Likewise.
6354         (TARGET_FIX_AND_CONTINUE): Likewise.
6355         * config/rs6000.c (rs6000_emit_prologue): Likewise.
6356
6357 2004-08-19  Steven Bosscher  <stevenb@suse.de>
6358
6359         * basic-block.h (struct edge_def): Remove crossing_edge.
6360         (EDGE_CROSSING): New define.
6361         (EDGE_ALL_FLAGS): Update.
6362         * bb-reorder.c (find_traces_1_round, better_edge_p,
6363         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
6364         find_jump_block, fix_crossing_conditional_branches,
6365         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
6366         Replace all occurences of crossing_edge with an edge flag check
6367         or set/reset.
6368         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6369         try_crossjump_bb): Likewise.
6370         * cfglayout.c (fixup_reorder_chain): Likewise.
6371         * cfgrtl.c (force_nonfallthru_and_redirect,
6372         commit_one_edge_insertion): Likewise.
6373
6374         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
6375         * tree-flow.h (compute_dominance_frontiers): Move prototype...
6376         * basic-block.h:  ...here.
6377         * tree-cfg.c (compute_dominance_frontiers_1,
6378         compute_dominance_frontiers): Move from here...
6379         * cfganal.c: ...to here.  Include timevar.h.
6380
6381 2004-08-18  James E Wilson  <wilson@specifixinc.com>
6382
6383         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
6384         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
6385
6386         * config/mips/mips.md (type): Add frdiv.
6387         (divsf3+1, divsf3+2): Change type to frdiv.
6388         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
6389         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
6390
6391         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
6392         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
6393         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
6394         * config/mips/5000.md (r5k_fdiv_single): Likewise.
6395         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
6396         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
6397         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
6398         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
6399         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
6400         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
6401         Likewise.
6402         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
6403
6404 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
6405
6406         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
6407         get regression tester working again.
6408
6409 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
6410
6411         * insn-notes.def, reg-notes.def: New files.
6412         * rtl.h: Use them to define enum insn_note and enum reg_note.
6413         * rtl.c: Use them to define note_insn_name and reg_note_name.
6414         * Makefile.in (RTL_BASE_H): Update.
6415
6416         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
6417         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
6418
6419 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
6420
6421         * arm.c (arm_size_rtx_costs): New function.
6422         (arm_override_options): Use it if optimizing for space.
6423
6424 2004-08-18  Richard Henderson  <rth@redhat.com>
6425
6426         * emit-rtl.c (gen_const_mem): New.
6427         * rtl.h (gen_const_mem): Declare.
6428         * expr.c (do_tablejump): Use it.
6429         * varasm.c (force_const_mem): Likewise.
6430         * config/darwin.c (machopic_indirect_data_reference): Likewise.
6431         (machopic_legitimize_pic_address): Likewise.
6432         * config/arm/arm.c (legitimize_pic_address): Likewise.
6433         * config/i386/i386.c (legitimize_pic_address): Likewise.
6434         (legitimize_tls_address): Likewise.
6435         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
6436         * config/ia64/ia64.md (load_fptr): Likewise.
6437         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
6438         * config/pa/pa.c (legitimize_pic_address): Likewise.
6439         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
6440         (rs6000_emit_move): Likewise.
6441         * config/s390/s390.c (legitimize_pic_address): Likewise.
6442         (legitimize_tls_address): Likewise.
6443         * config/s390/s390.md (casesi): Likewise.
6444         * config/sh/sh.c (sh_reorg): Likewise.
6445         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
6446         * config/v850/v850.md (casesi): Likewise.
6447
6448         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
6449         * config/sh/sh.c (prepare_move_operands): Remove incorrect
6450         use of MEM_READONLY_P.
6451
6452 2004-08-18  Steven Bosscher  <stevenb@suse.de>
6453
6454         * Makefile.in (OBJS-common): Add postreload-gcse.c.
6455         Add new postreload-gcse.o.
6456         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
6457         (lookup_as_function, insert, rehash_using_reg, use_related_value,
6458         equiv_constant): Use SAFE_HASH instead of safe_hash.
6459         (exp_equiv_p): Export.  Add for_gcse argument when comparing
6460         for GCSE.
6461         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
6462         find_comparison_args, fold_rtx, cse_insn): Update callers.
6463         (hash_rtx): New function derived from old canon_hash and bits
6464         from gcse.c hash_expr_1.
6465         (canon_hash_string): Rename to hash_rtx_string.
6466         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
6467         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
6468         (cselib_lookup): Update this caller.
6469         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
6470         Make static.
6471         (hash_expr): Call hash_rtx.
6472         (ldst_entry): Likewise.
6473         (expr_equiv_p): Call exp_equiv_p.
6474         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
6475         reg_used_on_edge, reg_set_between_after_reload_p,
6476         reg_used_between_after_reload_p, get_avail_load_store_reg,
6477         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
6478         get_bb_avail_insn, hash_scan_set_after_reload,
6479         compute_hash_table_after_reload,
6480         eliminate_partially_redundant_loads, gcse_after_reload,
6481         get_bb_avail_insn, gcse_after_reload_main): Remove.
6482         * postreload-gcse.c: New file, reincarnating most of the above.
6483         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
6484         (gcse_after_reload_main): Update prototype.
6485         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
6486         * passes.c (rest_of_handle_gcse2): Use it.
6487
6488 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
6489
6490         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
6491         (pass_loop_done): Likewise.
6492
6493 2004-08-18  Andrew Pinski  <apinski@apple.com>
6494
6495         * config/rs6000/darwin.md: Delete the altivec patterns which are
6496         handled differently now.
6497         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
6498         (macho_correct_pic_di): Likewise.
6499         (call_indirect_nonlocal_darwin64): Likewise.
6500         Delete the save world/saveFP/saveVec patterns.
6501
6502         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
6503         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
6504         * config/rs6000/rs6000.md: Include darwin.md.
6505         (builtin_setjmp_receiver): Add DImode case.
6506         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
6507         Darwin bits.
6508
6509 2004-08-18  Matt Austern  <austern@apple.com>
6510
6511         Dead code stripping
6512         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
6513         * darwin.c (darwin_file_end): Mark file as potentially strippable.
6514
6515 2004-08-18  Richard Henderson  <rth@redhat.com>
6516
6517         * alias.c (readonly_fields_p): Remove.
6518         (objects_must_conflict_p): Don't call it.
6519         * tree.h (readonly_fields_p): Remove.
6520         * langhooks.h (struct lang_hooks): Remove honor_readonly.
6521         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
6522
6523 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
6524
6525         * tree-dfa.c (add_referenced_var): Only global variables are
6526         call-clobbered.
6527         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
6528         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
6529         all pointers dereferenced if the statement dereferences them.
6530         (create_name_tags): Do not create memory tags for pointers
6531         that have PT_ANYTHING set.
6532         Also check if PT_VARS is not empty before creating a name tag.
6533         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
6534         variables that share the same alias set with a pointer that
6535         may point anywhere.
6536         (add_may_alias): Add FIXME comment to remove clobbering
6537         aliased variables and tags.
6538         (replace_may_alias): Likewise.
6539         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
6540         (merge_pointed_to_info): If the original variable has not
6541         points-to information, call set_pt_anything.
6542         (add_pointed_to_var): Do not prevent adding a pointed-to
6543         variable if the pointers is PT_ANYTHING.
6544         If the variable is a global, set PT_GLOBAL_MEM.
6545         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
6546         pointer type only come in PTR+OFFSET flavours.
6547         Always call merge_pointed_to_info on PHI arguments that are
6548         SSA_NAMEs.
6549         (get_nmt_for): Mark call-clobbered tags whose pointer points
6550         to global memory.
6551         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
6552         values.
6553         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
6554         FLAGS.
6555         (add_stmt_operand): Abort if the caller tried to add a killing
6556         definition for a memory tag.
6557         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
6558         unnecessary checks.
6559
6560 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
6561
6562         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
6563         from call_used_regs.  Update call_really_used_regs.
6564         (CALL_REALLY_USED_REGISTERS): Define.
6565         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
6566         Replace call_used_regs with call_really_used_regs.
6567         (calc_live_regs, sh_media_register_for_return): Likewise.
6568         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
6569         * sh.md (return_media): Likewise.
6570
6571 2004-08-18  Andrew Pinski  <apinski@apple.com>
6572
6573         * config/darwin.c (machopic_legitimize_pic_address): Only set
6574         MEM_READONLY_P in the non TARGET_TOC case.
6575
6576 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
6577
6578         * rtl.def (NIL): Delete.
6579         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
6580         Tighten the syntax a little.
6581
6582         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
6583         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
6584         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
6585         * config/i386/predicates.md, config/m32r/m32r.h
6586         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
6587         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
6588         * config/sparc/sparc.h, doc/tm.texi:
6589         Replace all occurrences of NIL with UNKNOWN.
6590
6591 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
6592
6593         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
6594         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
6595         sequence inline.  Move drop_through_label code into this
6596         block, being the only place it is used.  Adjust comments.
6597
6598 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
6599
6600         * config/rs6000/altivec.md: Add new patterns for calls to
6601         save_world/rest_world functions.
6602
6603         * config/rs6000/rs6000-protos.h: (save_world_operation,
6604         restore_world_operation) new declarations.
6605
6606         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
6607         field added.
6608         (rs6000_stack_info): Set world_save_p field.
6609         (save_world_operation): New function.
6610         (restore_world_operation): New function.
6611         (compute_save_world_info): New function.
6612         (rs6000_stack_info): Call compute_save_world_info.
6613         (rs6000_emit_prologue): Check for world_save_p and generate
6614         pattern to call save_world for saving all non-volatile and
6615         special registers.
6616         (rs6000_emit_epilogue): Check for world_save_p and generate
6617         pattern to call rest_world to restore saved registers.
6618
6619         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
6620         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
6621         (rs6000_reg_names): New entries added for save_world_operation and
6622         restore_world_operation.
6623
6624 2004-08-18  Caroline Tice  <ctice@apple.com>
6625
6626         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
6627         "-freorder-blocks-and-partition" to the flags used in second
6628         stage of profiledbootstrap.
6629         * bb-reorder.c (push_to_next_round_p): Add new variable,
6630         next_round_is_last; set and use variable to make sure, when
6631         partitioning, that the last trace construction round consists
6632         of all (and only) cold basic blocks.
6633         (rotate_loop): Don't copy blocks that end in a section
6634         crossing jump.
6635         (copy_bb): Correctly initialize "partition" of duplicated bb.
6636         (add_unlikely_executed_notes): Add a comment.
6637         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
6638         to make sure, if function contains hot blocks, that the
6639         successors of ENTRY_BLOCK_PTR are hot; also, only look for
6640         crossing edges if the architecture supports named sections.
6641         (mark_bb_for_unlikely_executed_section): Modify to always
6642         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
6643         the basic block note insn.
6644         (fix_crossing_unconditional_branches): Remove extra space.
6645         (fix_edges_for_rarely_executed_code): Modify to only do
6646         partitioning work if the architecture supports named sections.
6647         (reorder_basic_blocks): Modify to only add
6648         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
6649         supports named sections.
6650         * c-common.c (handle_section_attribute): Initialize new global
6651         variable, user_defined_section_attribute, to true if user has
6652         specified one.
6653         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
6654         forward edges that cross section boundaries.
6655         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
6656         partitioning information if the architecture supports named
6657         sections.
6658         * cfgrtl.c (target.h): Add statement to include this.
6659         (rtl_split_block): Make sure newly created bb gets correct
6660         partition.
6661         (try_redirect_by_replacing_jump): Make sure redirection isn't
6662         attempting to cross section boundaries.
6663         (force_nonfallthru_and_redirect): Only do partition fix up if
6664         architecture supports named sections.
6665         (rtl_split_edge): Make sure newly created bb ends up in
6666         correct partition.
6667         (commit_one_edge_insertion): Remove code that incorrectly
6668         updated basic block partition; Make sure partition fix up only
6669         happens if architecture supports named sections and it's not
6670         already done.
6671         (rtl_verify_flow_info_1): Fix if-condition on test/error
6672         condition that fallthru edges are not allowed to cross section
6673         boundaries.
6674         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
6675         * final.c (final_scan_insn): Remove redundant test from if-statement;
6676         change calls to text_section into calls to function_section; add code
6677         to only to partitioning fix up if architecture supports named
6678         sections.
6679         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
6680         partition.
6681         (if_convert): Add targetm.have_named_sections to test.
6682         * output.h (unlikely_section_label): Extern declaration for new global
6683         variable.
6684         (unlikely_text_section_name): Likewise.
6685         * opts.c (decode_options): If both partitioning and DWARF debugging
6686         are turned on, issue a warning that this doesn't work, and change
6687         partitiong to basic block reordering (without hot/cold partitions).
6688         * passes.c (rest_of_handle_final): Re-set new global variable,
6689         user_defined_section_attribute, to false.
6690         (rest_of_compilation): Change options for calling partitioning
6691         function: Don't call if the user defined the section attribute, and
6692         don't call if DECL_ONE_ONLY is true for the current function.
6693         * predict.c (choose_function_section): Return immediately if we
6694         are doing hot/cold partitioning (i.e. let the basic block partitioning
6695         determine where the function belongs).
6696         * reg-stack.c (emit_swap_insn): Add condition to step over
6697         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
6698         * toplev.c (user_defined_section_attribute): New global variable.
6699         * toplev.h (user_defined_section_attribute): Extern declaration
6700         for new global variable.
6701         * varasm.c (unlikely_section_label): New global variable.
6702         (unlikely_text_section_name): New global variable.
6703         (unlikely_text_section): Add code to initialize
6704         unlikely_text_section_name if necessary; modify to use
6705         unlikely_text_section_name and unlikely_section_label; also to use
6706         named_section properly.
6707         (in_unlikely_text_section):  Modify to work correctly with
6708         named_section and to use unlikely_text_section_name.
6709         (named_section):  Add code to work properly with cold section.
6710         (function_section): Clean up if-statement.
6711         * config/darwin.c (darwin_asm_named_section): Return to original
6712         code, removing use of SECTION_FORMAT_STRING.
6713         * config/arm/pe.h (switch_to_section):  Add case for
6714         in_unlikely_executed_text to switch statement.
6715         * config/i386/cygming.h (switch_to_section): Likewise.
6716         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
6717         (SECTION_FORMAT_STRING): Likewise.
6718         * config/mcore/mcore.h (switch_to_section): Likewise.
6719         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
6720         (SECTION_FORMAT_STRING): Remove.
6721
6722 2004-08-18  Roger Sayle  <roger@eyesopen.com>
6723
6724         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
6725         -ffixed-reg safe, by preserving the meanings of zero and one.
6726         (CALL_USED_REGISTERS): Likewise.
6727         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
6728
6729 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6730
6731         * config/sh/sh.c (split_branches): Check the result of
6732         next_active_insn.
6733         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
6734         Call rtl_register_cfg_hooks.
6735
6736 2004-08-18  Richard Henderson  <rth@redhat.com>
6737
6738         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
6739         * alias.c (true_dependence): Update to match new semantics.
6740         (canon_true_dependence, write_dependence_p): Likewise.
6741         (anti_dependence, output_dependence): Update write_dependence_p args.
6742         (unchanging_anti_dependence): Remove.
6743         * calls.c (purge_mem_unchanging_flag): Remove.
6744         (fixup_tail_calls): Don't call it.
6745         (expand_call): Don't add unchanging memory to function usage.
6746         * expr.c (emit_block_move_via_libcall): Likewise.
6747         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
6748         (get_subtarget): Don't use RTX_UNCHANGING_P.
6749         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
6750         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
6751         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
6752         * cse.c (insert): Don't use RTX_UNCHANGING_P.
6753         (cse_insn, canon_hash): Use MEM_READONLY_P.
6754         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
6755         instead of RTX_UNCHANGING_P.
6756         * explow.c (maybe_set_unchanging): Remove.
6757         * expr.h (maybe_set_unchanging): Remove.
6758         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
6759         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
6760         (assign_parm_setup_reg, expand_function_start): Likewise.
6761         * integrate.c (copy_rtx_and_substitute): Likewise.
6762         * ra-rewrite.c (emit_colors): Likewise.
6763         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
6764         (fixup_match_1): Likewise.
6765         * reload1.c (reload, alter_reg): Likewise.
6766         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
6767         not RTX_UNCHANGING_P.
6768         (equiv_init_varies_p): Likewise.
6769         * loop-invariant.c (check_maybe_invariant): Likewise.
6770         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
6771         * loop.c (note_addr_stored): Likewise.
6772         (prescan_loop): Likewise. Don't check function usage for clobbered
6773         unchanging memory.
6774         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
6775         not RTX_UNCHANGING_P.
6776         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
6777         * varasm.c (force_const_mem): Likewise.
6778         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
6779         * web.c (entry_register): Likewise.
6780         * tree-gimple.h (get_base_address): Move decl ...
6781         * tree.h: ... here.
6782         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
6783
6784         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
6785         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
6786         (alpha_set_memflags): Update to match.
6787
6788         * config/darwin.c (machopic_indirect_data_reference): Set
6789         MEM_READONLY_P instead of RTX_UNCHANGING_P.
6790         (machopic_indirect_call_target): Likewise.
6791         (machopic_legitimize_pic_address): Likewise.
6792         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
6793         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
6794         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
6795         * config/frv/frv.md (symGOT2reg): Likewise.
6796         * config/i386/i386.c (legitimize_pic_address,
6797         legitimize_tls_address, ix86_split_to_parts): Likewise.
6798         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
6799         * config/ia64/ia64.md (load_fptr): Likewise.
6800         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
6801         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
6802         * config/mcore/mcore.c (block_move_sequence): Likewise.
6803         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
6804         * config/pa/pa.c (legitimize_pic_address): Likewise.
6805         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
6806         (rs6000_emit_move): Likewise.
6807         * config/s390/s390.c (legitimize_pic_address): Likewise.
6808         (legitimize_tls_address): Likewise.
6809         * config/s390/s390.md (casesi): Likewise.
6810         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
6811         * config/sh/sh.md (symGOT2reg): Likewise.
6812         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
6813         * config/v850/v850.md (casesi): Likewise.
6814
6815         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
6816         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
6817         * config/mips/mips.c (mips_restore_gp): Likewise.
6818         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
6819         * config/sh/sh.c (sh_reorg): Likewise.
6820
6821 2004-08-18  Richard Henderson  <rth@redhat.com>
6822
6823         * tree.h (struct tree_decl): Add gimple_formal_temp.
6824         (DECL_GIMPLE_FORMAL_TEMP_P): New.
6825         * gimplify.c (pop_gimplify_context): Clear it.
6826         (lookup_tmp_var): Set it, if is_formal.
6827         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
6828         Use is_gimple_val for VECTOR.  Simplify return value.
6829         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
6830         (gimplify_expr): Likewise.
6831         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
6832         is_gimple_tmp_rhs for clarity.  Update all callers.
6833         (is_gimple_reg_rhs): Simplify logic.
6834         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
6835         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
6836         (is_gimple_formal_tmp_reg): Similarly.
6837         * tree-gimple.h: Update decls.
6838         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
6839         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
6840         * tree-ssa-live.c (var_union, type_var_init): Likewise.
6841
6842 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
6843
6844         * c4x.c (legitimize_operands): Remove calls to
6845         preserve_subexpressions_p.
6846
6847 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
6848
6849         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
6850         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
6851
6852 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
6853
6854         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
6855         Objective-C++ extensions.
6856         * gengtype.c (get_file_basename): Match entire subdirectory name
6857         ('cp', 'objc', 'objcp') rather than just its suffix.
6858         (get_base_file_bitmap): Allow for files to belong to more than one
6859         language.
6860         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
6861         used by more than one front-end.
6862
6863 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
6864
6865         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
6866         avoid use of preserve_subexpressions_p.
6867
6868 2004-08-17  Richard Henderson  <rth@redhat.com>
6869
6870         PR 17051
6871         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
6872
6873 2004-08-17  DJ Delorie  <dj@redhat.com>
6874
6875         * doc/extend.texi: Document new xstormy16 attribute.
6876
6877         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
6878         (xstormy16_splittable_below100_or_register): New.
6879         (combine_bnp): New.
6880         (xstormy16_reorg): New.
6881         (TARGET_MACHINE_DEPENDENT_REORG): Define.
6882
6883         * config/stormy16/stormy16.md (movqi_internal): Make name public.
6884         (movhi_internal): Likewise.
6885         (cbhranchhi): Likewise.
6886         (cbhranchhi_neg): Likewise.
6887         (andhi3): Only allow splittable below100 operands.
6888         (iorhi3): Likewise.
6889         (peephole2): New and/zero_extend->and peephole.
6890         (peephole2): New load/ior/save->set1 peephole.
6891         (peephole2): New load/and/save->clr1 peephole.
6892         (bclrx, bclrx2, bclr7, bclr15): New.
6893         (bsetx, bsetx2, bset7, bset15): New.
6894
6895         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
6896         liberal about acceptable 'B' masks.
6897
6898         * config/stormy16/stormy16-protos.h
6899         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
6900         xstormy16_below100_operand, xstormy16_below100_or_register,
6901         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
6902         (PREDICATE_CODES): Add new predicates.
6903
6904         * config/stormy16/stormy16.c
6905         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
6906         xstormy16_below100_operand, xstormy16_below100_or_register,
6907         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
6908         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
6909         (xstormy16_legitimate_address_p): Allow below100 symbols.
6910         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
6911         (xstormy16_expand_move): Leave below100 operands as-is.
6912         (xstormy16_encode_section_info): Encode below100 symbols.
6913         (xstormy16_strip_name_encoding): New.
6914         (xstormy16_print_operand): Print 'b' as shift mask.
6915         (xstormy16_attribute_table): Add below100 attributes.
6916         (xstormy16_handle_below100_attribute): New.
6917
6918         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
6919         (XSTORMY16_SECTION_FUNCTION): New.
6920         (EXTRA_SECTION_FUNCTIONS): Define using the above.
6921         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
6922         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
6923         (ASM_OUTPUT_LABELREF): Define.
6924
6925         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
6926         (movhi_internal): Add below100 support.
6927         (andhi3): Add below100 support.
6928         (iorhi3): Add below100 support.
6929         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
6930
6931 2004-08-17  James E Wilson  <wilson@specifixinc.com>
6932
6933         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
6934         of VOIDmode for comparison code mode.
6935         * config/mips/mips.md: For conditional move patterns, use mode of
6936         first compare operand for comparison mode, instead of VOIDmode.
6937
6938         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
6939         normal and -ffast-math code.
6940
6941 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
6942
6943         PR c++/15871
6944         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
6945
6946 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
6947
6948         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
6949
6950 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
6951
6952         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
6953         for non Darwin targets.
6954         (*call_value_nonlocal_darwin64): Likewise.
6955
6956 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
6957
6958         * config/rs6000/rs6000.c (rs6000_function_value): Check for
6959         altivec mode for altivec return register.
6960
6961 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
6962
6963         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
6964         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
6965         * config/rs6000/rs6000.md: Include darwin.md.
6966         (builtin_setjmp_receiver): Add DImode case.
6967         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
6968         Darwin bits.
6969
6970 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
6971
6972         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
6973         trees.
6974         * tree-vectorizer.h: New File: Same.
6975         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
6976         * common.opt (ftree-vectorize): New flag to enable vectorization.
6977         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
6978         vectorization pass.
6979         * tree-data-ref.h (init_data_ref): Additional argument.
6980         (array_base_name_differ_p): Moved to tree-data-ref.c.
6981         * tree-data-ref.c (array_base_name_differ_p): Revised.
6982         (initialize_data_dependence_relation): Call array_base_name_differ_p
6983         with an extra argument.
6984         (analyze_all_data_dependences): Same.
6985         (init_data_ref): Additional argument is_read to set DR_IS_READ.
6986         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
6987         file.
6988         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
6989         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
6990         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
6991         vectorization pass.
6992         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
6993         (tree_ssa_loop_done): Call scev_finalize.
6994         (tree_vectorize): Define the new vectorization pass.
6995         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
6996         size of the vector they support (until support for multiple vector
6997         sizes is added to the vectorizer).
6998         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
6999         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
7000         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
7001         documentation.
7002
7003 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
7004
7005         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
7006         usage.
7007         (generate_protocol_list, handle_impent): Likewise.
7008
7009 2004-08-17  Roger Sayle  <roger@eyesopen.com>
7010
7011         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
7012         ensure that call_used_regs is a superset of both fixed_regs and
7013         call_really_used_regs.
7014
7015 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
7016
7017         PR target/17019
7018         * arm.md (addsi3_cbranch_scratch): Correct case labels.
7019
7020 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
7021
7022         PR middle-end/17036
7023         * fold-const.c (fold): Check for integer operand when
7024         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
7025         Pinski  <pinskia@physics.uc.edu>.
7026
7027 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
7028
7029         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
7030         No need to check if in a cross configuration.
7031         * configure: Regenerate.
7032
7033         * calls.c (precompute_register_parameters):
7034         Inline preserve_subexpressions_p ().
7035         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
7036         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
7037         Likewise.
7038         * expr.c (get_subtarget): Likewise.
7039         * rtl.h (preserve_subexpressions_p): Remove.
7040         * stmt.c (preserve_subexpressions_p): Remove.
7041
7042         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
7043         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
7044         Abort on gimplified cases.
7045
7046 2004-08-16  James E Wilson  <wilson@specifixinc.com>
7047
7048         * tree.h (VECTOR_FLOAT_TYPE_P): New.
7049         (FLOAT_TYPE_P): Use it.
7050         * c-typeck.c (build_binary_op): After convert calls, check for
7051         check for ERROR_MARK operands.
7052
7053 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
7054
7055         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
7056         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
7057         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
7058         (genobjs static pattern rule): Remove %.c dependency.
7059         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
7060         Rename rules; delete commands; fix dependencies.
7061         (mostlyclean): Do not delete temporary source copies.
7062         * configure.ac: Delete all references to BUILD_PREFIX and
7063         BUILD_PREFIX_1.
7064         * configure: Regenerate.
7065
7066         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
7067         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
7068         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
7069         with #ifndef GENERATOR_FILE so that nothing from those headers
7070         is used.
7071
7072         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
7073
7074 2004-08-16  Adam Nemet  <anemet@lnxw.com>
7075
7076         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
7077
7078 2004-08-16  Andrew Pinski  <apinski@apple.com>
7079
7080         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
7081         extraneous semicolon.
7082
7083 2004-08-16  Devang Patel  <dpatel@apple.com>
7084
7085         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
7086         * print-tree.c (print_node): Print DECL_PRESERVE_P.
7087         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
7088         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
7089         * target.h (struct gcc_target): New member, mark_decl_preserved.
7090         * hooks.c (hook_void_charptr): Rename to ...
7091         (hook_void_constcharptr): ... new name.
7092         * hooks.h (hook_void_charptr): Rename to ..
7093         (hook_void_constcharptr): ... new name.
7094         * tree.h (DECL_PRESERVE_P): New #define.
7095         (struct tree_decl): New member, preserve_flag.
7096         * varasm.c (assemble_start_function): Mark decl preserved.
7097         (assemble_variable): Same.
7098         * darwin.c (darwin_mark_decl_preserved): New function.
7099         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
7100         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
7101         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
7102
7103 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
7104
7105         * c-decl.c (grokdeclarator): Allow for function definition where
7106         innermost declarator has attributes.
7107
7108 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
7109
7110         * except.c (get_exception_filter, build_post_landing_pads,
7111         dw2_build_landing_pads): Use target-specific mode for 'filter'.
7112         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
7113         * target.h (eh_return_filter_mode): New field added.
7114         * targhooks.c (default_eh_return_filter_mode): Defined.
7115         * targhooks.h (default_eh_return_filter_mode): Declared.
7116         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
7117
7118 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
7119
7120         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
7121         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
7122         * configure: Regenerate.
7123
7124 2004-08-16  Stan Shebs  <shebs@apple.com>
7125
7126         Basic support for 64-bit Darwin.
7127         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
7128         (machopic_legitimize_pic_address): Similarly, plus use Pmode
7129         instead of SImode.
7130         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
7131         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
7132         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
7133         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
7134         (PROCESSOR_DEFAULT64): Define.
7135         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
7136         Darwin.
7137         * config/rs6000/rs6000.md: Include darwin.md.
7138         (builtin_setjmp_receiver): Add DImode case.
7139         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
7140         Darwin.
7141         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
7142         (rs6000_emit_move): Add DImode case to Darwin bits.
7143         (machopic_output_stub): Use .quad if 64-bit.
7144         * invoke.texi: Document -m32 and -m64.
7145
7146 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
7147
7148         * doc/extend.texi (AltiVec builtins): Document additional differences
7149         from the Motorola AltiVec PIM.
7150
7151 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
7152
7153         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
7154         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
7155         (struct tree_common): Update public_flag documentation.
7156
7157 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
7158
7159         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
7160         Check for artificial variables, not is_gimple_tmp_var.
7161         * tree-ssa-live.c (var_union): Likewise.
7162
7163 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
7164
7165         * calls.c (load_register_parameters): Remove spurious FIXME token.
7166
7167 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
7168
7169         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
7170         (c-lang.o): Depend on c-objc-common.h.
7171         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
7172         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
7173         * c-lang.c: Include c-objc-common.h.
7174         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
7175         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
7176         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
7177         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
7178         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
7179         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
7180         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
7181         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
7182         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
7183         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
7184         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
7185         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
7186         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
7187         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
7188         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
7189         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
7190         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
7191         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
7192         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
7193         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
7194         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
7195         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
7196         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
7197         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
7198         Move to c-objc-common.h.
7199         * c-objc-common.c: Include c-objc-common.h.
7200         * c-objc-common.h: New file.
7201
7202 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
7203             Andrew Pinski  <pinskia@physics.uc.edu>
7204
7205         PR target/14931
7206         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
7207         style.
7208
7209 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
7210
7211         * tree.h (build_int_cst): New.
7212         (build_int_2): Remove.
7213         * tree.c (build_int_2): Remove.
7214         (build_int_cst): New.
7215         (make_vector_type, build_common_tree_nodes,
7216         build_common_tree_nodes_2): Use build_int_cst.
7217         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
7218         expand_builtin_strpbrk, expand_builtin_fputs,
7219         build_string_literal, expand_builtin_printf,
7220         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
7221         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
7222         fold_builtin_isdigit, simplify_builtin_strstr,
7223         simplify_builtin_strpbrk, fold_builtin_fputs,
7224         simplify_builtin_sprintf): Use build_int_cst.
7225         * c-common.c (start_fname_decls, fix_string_type,
7226         c_common_nodes_and_builtins, c_init_attributes,
7227         shorten_compare): Likewise.
7228         * c-decl.c (complete_array_type,
7229         check_bitfield_type_and_width): Likewise.
7230         * c-lex.c (interpret_integer, lex_charconst): Likewise.
7231         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
7232         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7233         * c-typeck.c (really_start_incremental_init, push_init_level,
7234         set_nonincremental_init_from_string): Likewise.
7235         * calls.c (load_register_parameters): Likewise.
7236         * convert.c (convert_to_pointer): Likewise.
7237         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
7238         build_fn_info_type, build_ctr_info_value, build_gcov_info):
7239         Likewise.
7240         * except.c (init_eh, assign_filter_values, assign_filter_values):
7241         Likewise.
7242         * expmed.c (store_fixed_bit_field, extract_bit_field,
7243         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
7244         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
7245         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
7246         * expr.c (convert_move, emit_group_load, emit_group_store,
7247         expand_assignment, store_constructor, store_field,
7248         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
7249         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
7250         invert_truthvalue, optimize_bit_field_compare,
7251         decode_field_reference, all_ones_mask_p, constant_boolean_node,
7252         fold_div_compare, fold, fold_read_from_constant_string,
7253         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7254         * function.c (assign_parm_setup_block): Likewise.
7255         * stmt.c (shift_return_value, expand_end_case_type,
7256         estimate_case_costs): Likewise.
7257         * stor-layout.c (layout_type, initialize_sizetypes,
7258         set_min_and_max_values_for_integral_type): Likewise.
7259         * tree-chrec.c (chrec_fold_multiply_poly_poly,
7260         reset_evolution_in_loop): Likewise.
7261         * tree-chrec.h (build_polynomial_chrec): Likewise.
7262         * tree-complex.c (build_replicated_const): Likewise.
7263         * tree-eh.c (honor_protect_cleanup_actions,
7264         lower_try_finally_onedest, lower_try_finally_copy,
7265         lower_try_finally_switch): Likewise.
7266         * tree-mudflap.c (mf_build_string, mx_register_decls,
7267         mudflap_register_call, mudflap_enqueue_constant): Likewise.
7268         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
7269         * tree-pretty-print.c (dump_generic_node): Likewise.
7270         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
7271         Likewise.
7272         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
7273         * tree-ssa-loop-niter.c (number_of_iterations_cond,
7274         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
7275         Likewise.
7276
7277         * config/alpha/alpha.c (alpha_initialize_trampoline,
7278         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
7279         * config/arm/arm.c (arm_get_cookie_size): Likewise.
7280         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7281         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
7282         * config/i860/i860.c (i860_va_start): Likewise.
7283         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7284         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
7285         mips_gimplify_va_arg_expr): Likewise.
7286         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7287         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
7288         add_compiler_branch_island): Likewise.
7289         * config/s390/s390.c (s390_va_start): Likewise.
7290         * config/sh/sh.c (sh_va_start): Likewise.
7291         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
7292         Likewise.
7293         * config/xtensa/xtensa.c (xtensa_va_start,
7294         xtensa_gimplify_va_arg_expr): Likewise.
7295
7296         * objc/objc-act.c (build_objc_string_object,
7297         build_objc_symtab_template, init_def_list, init_objc_symtab,
7298         init_module_descriptor, generate_static_references,
7299         build_selector_translation_table, get_proto_encoding,
7300         build_typed_selector_reference, build_selector_reference,
7301         build_next_objc_exception_stuff,
7302         build_method_prototype_list_template, generate_descriptor_table,
7303         generate_protocols, build_protocol_initializer,
7304         build_ivar_list_template, build_method_list_template,
7305         build_ivar_list_initializer, generate_ivars_list,
7306         generate_dispatch_table, generate_protocol_list,
7307         build_category_initializer, build_shared_structure_initializer,
7308         generate_shared_structures, handle_impent,
7309         generate_objc_image_info): Use build_int_cst.
7310
7311 2004-08-15  Ben Elliston  <bje@au.ibm.com>
7312
7313         * vec.h: Comment improvements.
7314
7315 2004-08-14  Roger Sayle  <roger@eyesopen.com>
7316
7317         * c-common.c (shorten_compare, pointer_int_sum,
7318         c_common_truthvalue_conversion, boolean_increment): Replace calls
7319         to build with calls to buildN.
7320         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
7321         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
7322         gimplify_switch_stmt): Likewise.
7323         * c-typeck.c (default_function_array_conversion,
7324         build_component_ref, build_array_ref, build_function_call,
7325         pointer_diff, build_unary_op, build_conditional_expr,
7326         build_compound_expr, build_modify_expr, c_finish_goto_label,
7327         c_finish_goto_ptr, c_finish_return, c_finish_loop,
7328         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
7329         build_binary_op): Likewise.
7330
7331 2004-08-15  Steven Bosscher  <stevenb@suse.de>
7332
7333         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
7334
7335 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7336
7337         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
7338         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
7339         * fixinc/fixincl.x: Rebuilt.
7340
7341 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
7342
7343         * config/mips/mips-protos.h (mips_symbolic_constant_p)
7344         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
7345         (mips_small_data_pattern_p): Declare.
7346         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
7347         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
7348         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
7349         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
7350         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
7351         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
7352         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
7353         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
7354         (pc_or_label_operand, call_insn_operand, move_operand)
7355         (consttable_operand, symbolic_operand, general_symbolic_operand)
7356         (global_got_operand, local_got_operand, stack_operand)
7357         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
7358         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
7359         (mips_small_data_pattern_p): Replace previous small_data_pattern
7360         predicate.  Turn into a bool () (rtx) function.
7361         * config/mips/predicates.md: New file.
7362         * config/mips/mips.md: Include it.  Use the target-independent
7363         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
7364         trap_comparison_operator and equality_op to equality_operator.
7365         Replace uses of small_int with the equivalent const_arith_operand.
7366         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
7367         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
7368         to fcc_reload_operand.
7369         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
7370
7371 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7372
7373         PR libstdc++/17005 partial fix.
7374         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
7375         except when generating ANSI/C89 code.
7376
7377 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
7378
7379         * c-common.c (shorten_compare): Use force_fit_type directly.
7380
7381 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
7382             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
7383             Dave Korn  <dk@artimi.com>
7384
7385         * doc/install.texi (Building): Avoid duplicate reference to GNU
7386         make requirement.
7387         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
7388
7389 2004-08-14  Richard Henderson  <rth@redhat.com>
7390
7391         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
7392         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
7393
7394 2004-08-13  Richard Henderson  <rth@redhat.com>
7395
7396         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
7397         for constant_call_address_operand.
7398         (call_value_pop_1, call_value_1): Likewise.
7399         (sibcall_value_1, call_value_1_rex64): Likewise.
7400
7401 2004-08-13  James E Wilson  <wilson@specifixinc.com>
7402
7403         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
7404         Correct mode from SFmode to DFmode.
7405
7406 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
7407
7408         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
7409         __cstring_object and __image_info sections with the no_dead_strip
7410         attribute.
7411
7412 2004-08-13  Roger Sayle  <roger@eyesopen.com>
7413             David Billinghurst  <David.Billinghurst@riotinto.com>
7414
7415         PR libgfortran/15930
7416         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
7417         * fixinc/fixincl.x: Regenerate.
7418         * fixinc/tests/base/internal/math_core.h: New file.
7419
7420 2004-08-13  Richard Henderson  <rth@redhat.com>
7421
7422         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
7423         (dbxout_function_end): Remove ifdefs for it.
7424         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
7425
7426 2004-08-13  Richard Henderson  <rth@redhat.com>
7427
7428         * Makefile.in (insn-preds.o): Depend on TREE_H.
7429         * genpreds.c (write_insn_preds_c): Include tree.h.
7430         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
7431         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
7432         const48_operand, and_operand, or_operand, mode_width_operand,
7433         mode_mask_operand, mul8_operand, const0_operand,
7434         hard_fp_register_operand, hard_int_register_operand,
7435         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
7436         samegp_function_operand, direct_call_operand, small_symbolic_operand,
7437         global_symbolic_operand, call_operand, symbolic_operand,
7438         dtp16_symbolic_operand, dtp32_symbolic_operand,
7439         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
7440         gottp_symbolic_operand, alpha_comparison_operator,
7441         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
7442         signed_comparison_operator, alpha_fp_comparison_operator,
7443         divmod_operator, fix_operator, aligned_memory_operand,
7444         unaligned_memory_operand, reg_or_unaligned_mem_operand,
7445         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
7446         reg_no_subreg_operand, addition_operation): Move to predicates.md.
7447         (reg_or_const_int_operand): Remove.  Replace all users with
7448         reg_or_cint_operand.
7449         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
7450         (resolve_reload_operand): Split out of aligned_memory_operand.
7451         * config/alpha/alpha-protos.h: Update for exports.
7452         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
7453         * config/alpha/alpha.md: Include predicates.md.
7454         * config/alpha/predicates.md: New file.
7455
7456 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
7457
7458         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
7459         fields with a pointer to the instruction definition.
7460         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
7461         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
7462         (write_attr_case, write_const_num_delay_slots): Update accordingly.
7463         (write_attr_case, write_const_num_delay_slots): Write the name of
7464         an insn next to its case statement.
7465         * genoutput.c (data): Add a filename field.
7466         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
7467         (output_insn_data): Print the location of each insn definition.
7468         * genrecog.c (write_action): Print the name of an insn above
7469         the statement that returns its code.
7470
7471 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
7472
7473         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
7474         * config/libgloss.h: Likewise.
7475         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
7476         * c4x/c4x-modes.def: Likewise.
7477         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
7478         (c4x_rptb_nop_p): Likewise.
7479         (c4x_rptb_valid_p): Likewise.
7480         (c4x_rptb_insert): Likewise.
7481         (c4x_address_conflict): Likewise.
7482         * config/c4x/c4x.md: Likewise.
7483         * config/frv/frv.md: Likewise.
7484         * config/i386/athlon.md: Likewise.
7485         * config/i386/i386.md: Likewise.
7486         * config/i386/predicates.md: Likewise.
7487         * config/ia64/ia64.c: Likewise.
7488         * config/ia64/itanium1.md: Likewise.
7489         * config/ia64/itanium2.md: Likewise.
7490         * config/iq2000/iq2000.md: Likewise.
7491         * config/mcore/mcore.c: Likewise.
7492         * config/mips/mips.c: Likewise.
7493         * config/mips/r3900.h: Likewise.
7494         * config/mips/sb1.md: Likewise.
7495         * config/pa/milli64.S: Likewise.
7496         * config/pa/pa.c: Likewise.
7497         * config/pa/pa.h: Likewise.
7498         * config/rs6000/8540.md: Likewise.
7499
7500 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
7501
7502         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
7503
7504 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
7505
7506         * sh.md (cbranch define_delay) Use cond_delay_slot for
7507         non-anulled condition too.
7508
7509 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
7510
7511         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
7512         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
7513         any_parallel_operand, lmw_operation, stmw_operation,
7514         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
7515         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
7516         any_parallel_operand.
7517         (return_and_restore_fpregs_{si,di}): Same.
7518
7519 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
7520
7521         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
7522         if pred->singleton != PARALLEL, issue a warning and pretend it was.
7523         Also issue a warning for any predicate we don't know about.
7524
7525 2004-08-12  Richard Henderson  <rth@redhat.com>
7526
7527         * config/i386/i386.c (internal_label_prefix): Export.
7528         (internal_label_prefix_len, struct ix86_address,
7529         ix86_decompose_address, maybe_get_pool_constant,
7530         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
7531         memory_address_length): Export.
7532         (any_fp_register_operand, fp_register_operand,
7533         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
7534         x86_64_general_operand, x86_64_szext_general_operand,
7535         x86_64_nonmemory_operand, x86_64_movabs_operand,
7536         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
7537         x86_64_zext_immediate_operand, const_int_1_31_operand,
7538         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
7539         tls_symbolic_operand, global_dynamic_symbolic_operand,
7540         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
7541         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
7542         constant_call_address_operand, const0_operand, const1_operand,
7543         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
7544         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
7545         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
7546         general_no_elim_operand, nonmemory_no_elim_operand,
7547         index_register_operand, q_regs_operand, flags_reg_operand,
7548         non_q_regs_operand, zero_extended_scalar_load_operand,
7549         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
7550         ix86_comparison_operator, ix86_carry_flag_operator,
7551         fcmov_comparison_operator, promotable_binary_operator,
7552         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
7553         mult_operator, div_operator, arith_or_logical_operator,
7554         memory_displacement_operand, cmpsi_operand, long_memory_operand,
7555         aligned_operand): Move to predicates.md as define_predicates.
7556         (tls_symbolic_operand_1): Remove.
7557         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
7558         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
7559         (legitimize_address): Merge tls_symbolic_operand contents.
7560         (ix86_expand_move): Likewise.
7561         * config/i386/i386-protos.h: Update for exports.
7562         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
7563         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
7564         * config/i386/i386.md: Include predicates.md.
7565         * config/i386/predicates.md: New file.
7566
7567 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
7568
7569         PR c++/16924
7570         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
7571         SYMBOL_REF_DECL.
7572         (i386_pe_mark_dllimport): Likewise.
7573         (i386_pe_encode_section_info): Likewise, when overriding
7574         dllimport attribute.
7575
7576 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
7577
7578         * configure.ac: When testing for flex, nm, ar, and bison, check
7579         that they will actually be built.
7580         * configure: Regenerate.
7581
7582 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
7583
7584         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
7585         (MOVE_MAX_PIECES): Define.
7586
7587 2004-08-12  Devang patel  <dpatel@apple.com>
7588
7589         * dbxout.c (dbxout_begin_prologue): New function.
7590         (dbx_debug_hooks): Use new begin prologue hook.
7591         (dbxout_function_end): Emit N_ENSYM.
7592         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
7593
7594 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
7595
7596         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
7597         argument is float*.
7598
7599         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
7600         for vec_dss.
7601
7602         * doc/extend.texi (AltiVec builtins): Fix description for recent
7603         changes.  Update operation list to match current support.
7604
7605 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7606
7607         * config/s390/s390.c (struct s390_frame_layout): New struct as element
7608         of struct machine_function.
7609         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
7610         changed all uses.
7611         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
7612         changed all uses.
7613         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
7614         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
7615         (s390_frame_area, s390_register_info): New functions.
7616         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
7617         for base register.
7618         (s390_return_addr_rtx, s390_return_address_offset)
7619         (s390_va_start, s390_gimplify_va_arg)
7620         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
7621         layouts.
7622         (s390_frame_info): Functionality partly moved to s390_register_info.
7623         Made adaptions for new stack layout.
7624         (save_gprs, restore_gprs): Changed meaning of second parameter and
7625         adapted all callers.
7626
7627         * config/s390/s390.h (s390_backchain_string): New global variable.
7628         (MASK_BACKCHAIN): Removed definition.
7629         (TARGET_BACKCHAIN): Changed check.
7630         (TARGET_KERNEL_BACKCHAIN): New macro.
7631         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
7632         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
7633         "kernel-backchain".
7634         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
7635
7636         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
7637         as condition.  Adjusted for new stack layout.
7638
7639         * doc/invoke.texi: Added documentation for new option
7640         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
7641         "-mno-backchain".
7642
7643 2004-08-12  Paul Brook  <paul@codesourcery.com>
7644
7645         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
7646         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
7647
7648 2004-08-12  David Daney  <ddaney@avtrex.com>
7649
7650         * java/gcj.texi:  Add subsection on signal usage.
7651
7652 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
7653
7654         * expr.c (move_by_pieces): Set alignment for move to minimum of
7655         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
7656         alignment, but not less than the original alignment.
7657         (move_by_pieces_ninsns): Same.
7658         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
7659         (store_by_pieces_1): Same.
7660
7661 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
7662
7663         PR tree-optimization/16867
7664         * tree.c (is_global_var): New function.
7665         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
7666         Call is_global_var.
7667         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
7668         Update all users.
7669         (is_global_var): Declare.
7670         * tree-dfa.c (dump_variable): Display global and addressable
7671         attributes.
7672         (add_referenced_var): Clarify documentation when marking
7673         variables call-clobbered.
7674         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
7675         instead of needs_to_live_in_memory.
7676         (mark_call_clobbered): If the variable is a tag, mark it
7677         DECL_EXTERNAL.
7678         * tree-gimple.c (is_gimple_reg): Don't check for
7679         TREE_ADDRESSABLE.
7680         (is_gimple_non_addressable): Likewise.
7681         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
7682         needs to be marked call-clobbered.
7683         (setup_pointers_and_addressables): Call is_global_var instead
7684         of needs_to_live_in_memory.
7685         * tree-ssa-dce.c (need_to_preserve_store): Remove.
7686         Update all users with is_global_var.
7687         (mark_stmt_if_obviously_necessary): Fix processing of aliased
7688         stores.  Don't check the virtual definitions.  Rather, check
7689         whether the store is going into global memory.
7690         (find_obviously_necessary_stmts): Get the symbol from the PHI
7691         result.
7692         * tree-ssa-operands.c (get_call_expr_operands): Do not add
7693         clobbering may-defs if the call does not have side effects.
7694
7695 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
7696
7697         PR c++/16276
7698         * output.h (default_function_rodata_section,
7699         default_no_function_rodata_section): New prototypes.
7700         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
7701         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
7702         (TARGET_ASM_OUT): Add it.
7703         * varasm.c (default_function_rodata_section,
7704         default_no_function_rodata_section): New functions.
7705         * final.c (final_scan_insn): Call
7706         targetm.asm_out.function_rodata_section instead of
7707         readonly_data_section.
7708         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
7709         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7710         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7711         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
7712         Likewise.
7713         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7714         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
7715         Likewise.
7716         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
7717         Likewise.
7718         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7719         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7720         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
7721
7722 2004-08-12  Paul Brook  <paul@codesourcery.com>
7723
7724         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
7725         frame info.
7726         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
7727         DWARF2_UNWIND_INFO.
7728
7729 2004-08-12  Ben Elliston  <bje@au.ibm.com>
7730
7731         PR target/16286
7732         * config/rs6000/altivec.h: Change vector to __vector throughout.
7733         (Except for the `vector' macro itself).
7734
7735 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
7736
7737         * genpreds.c: Add capability to generate predicate bodies as
7738         well as function prototypes.  Write function prototypes for
7739         the generic predicates too.
7740         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
7741         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
7742         (write_match_code, write_predicate_expr, write_one_predicate_function)
7743         (parse_option): New functions.
7744         (output_predicate_decls): Delete.
7745         (main): Read the machine description, process DEFINE_PREDICATE or
7746         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
7747         as appropriate.
7748
7749         * genrecog.c (struct decision_test): Replace index with
7750         struct pred_data pointer.
7751         (next_index): Remove, unused.
7752         (pred_table, preds, special_mode_pred_table): Delete.
7753         (compute_predicate_codes, process_define_predicate): New functions.
7754         (validate_pattern, add_to_sequence, write_switch): Update for
7755         new data structures.
7756         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
7757         Check both error_count and have_error.
7758
7759         * gensupport.c (in_fname, first_predicate): New globals.
7760         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
7761         (predicate_table, last_predicate, old_pred_table)
7762         (old_special_pred_table): New statics.
7763         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
7764         (add_predicate, init_predicate_table): New functions.
7765         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
7766         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
7767         it or max_include_len.  Call init_predicate_table.
7768         (read_rtx): Run the predicate queue after the attribute queue
7769         but before all the others.
7770         * gensupport.h (in_fname, struct pred_data, first_predicate)
7771         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
7772         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
7773         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
7774         * dummy-conditions.c: Don't include bconfig.h, system.h,
7775         coretypes.h, tm.h, or system.h.  Do include stddef.h.
7776         Duplicate declaration of struct c_test from gensupport.h.
7777
7778         * Makefile.in (OBJS-common): Add insn-preds.o.
7779         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
7780         (insn-preds.c, insn-preds.o): New rules.
7781         (s-preds): Also generate insn-preds.c.
7782         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
7783         Update dependencies.
7784         (print-rtl.o, print-rtl1.o): Correct dependencies.
7785
7786         * recog.h: Delete prototypes of predicate functions.
7787
7788         * doc/md.texi (Predicates): New section with complete
7789         documentation of operand/operator predicates.  Remove some
7790         incomplete documentation of predicates from other places.
7791         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
7792         PREDICATE_CODES; indicate that both are deprecated in favor
7793         of define_predicate/define_special_predicate.
7794
7795         * config/ia64/ia64.c: All predicate function definitions moved
7796         to ia64.md, except
7797         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
7798         (ia64_expand_load_address, ia64_expand_move):
7799         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
7800
7801         * config/ia64/ia64.md: All predicates now defined here.
7802         (symbolic_operand): Is now a special predicate.
7803
7804         * config/ia64/ia64.h: Declare ia64_section_threshold.
7805         (PREDICATE_CODES): Delete.
7806
7807 2004-08-12  Richard Henderson  <rth@redhat.com>
7808
7809         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
7810         * c-semantics.c (add_stmt): Set it.
7811         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
7812         before instantiating a variable sized type.
7813
7814 2004-08-12  Richard Henderson  <rth@redhat.com>
7815
7816         * stor-layout.c (round_up, round_down): Move ...
7817         * fold-const.c (round_up, round_down): ... here.  Use
7818         multiple_of_p to avoid any arithmetic at all.
7819
7820 2004-08-12  Richard Henderson  <rth@redhat.com>
7821
7822         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
7823         (gimplify_init_ctor_preeval_1): New.
7824         (gimplify_init_ctor_preeval): New.
7825         (gimplify_init_ctor_eval): New.
7826         (gimplify_init_constructor): Use them.  Always gimplify the LHS
7827         object first.
7828
7829 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
7830
7831         (This patch is part of merge of objc-improvements-branch
7832         into mainline.)
7833
7834         * doc/frontends.texi: Mention Objective-C++ in addition to
7835         Objective-C.
7836         * doc/install.texi: Add 'obj-c++' to list of configurable
7837         languages.
7838         * doc/invoke.texi: Rename Objective-C option headings to
7839         indicate they also apply to Objective-C++.  List file
7840         extensions for Objective-C++ sources.  Mention that
7841         ObjC and ObjC++ compilations may also use C and C++ options,
7842         respectively.  Point users to doc/standards.texi for
7843         further info on ObjC and ObjC++.
7844         * doc/sourcebuild.texi: Mention the objcp/ directory and
7845         the Objective-C++ sources it contains.
7846         * doc/standards.texi: Update link to Apple ObjC site;
7847         add link to gcc readings.html WWW doc.
7848
7849 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
7850
7851         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
7852         and 2004-07-14 changes.
7853
7854 2004-08-12  Paul Brook  <paul@codesourcery.com>
7855
7856         * doc/invoke.texi: Fix typo.
7857
7858 2004-08-11 Devang Patel  <dpatel@apple.com>
7859
7860         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
7861         and -no_dead_strip_inits_and_terms.
7862         (LINK_SPEC): Same.
7863         * doc/invoke.texi (Darwin Options): Document -dead_strip and
7864         -no_dead_strip_inits_and_terms.
7865
7866 2004-08-11  Paul Brook  <paul@codesourcery.com>
7867
7868         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
7869         (arm_load_pic_register): ... to this.
7870         * config/arm/arm.c (arm_finalize_pic): Rename ...
7871         (arm_load_pic_register): ... to this.  Always output insns at the
7872         current location.  Load via low reg in thumb mode.
7873         (arm_expand_prologue): Call arm_load_pic_register.
7874         (thumb_expand_prologue): Ditto.
7875         * config/arm/arm.h (FINALIZE_PIC): Remove.
7876         * config/arm/arm.md (builtin_setjmp_receiver): Call
7877         arm_load_pic_register.
7878
7879 2004-08-11  Paul Brook  <paul@codesourcery.com>
7880
7881         * arm.c (thumb_force_lr_save): Add prototype.
7882         (thumb_compute_save_reg_mask): New function.
7883         (thumb_find_work_register): New function.
7884         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
7885         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
7886         Don't clobber r3 when removing pretend args.
7887         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
7888         (thumb_output_function_prologue): Use new functions.
7889         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
7890         * arm.h (THUMB_REG_PUSHED_P): Remove.
7891
7892 2004-08-11  James E Wilson  <wilson@specifixinc.com>
7893
7894         PR rtl-optimization/16490
7895         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
7896         global_live_at_end for new basic block if already set for other blocks.
7897
7898 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
7899
7900         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
7901
7902         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
7903         (mfcr rlwinm rlwinm patterns): Set length to 12.
7904
7905 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
7906
7907         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
7908         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
7909         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
7910         (start_ssa_stmt_operands): Delete.
7911         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
7912         struct stmt_operands_d.
7913         (build_ssa_operands): New extern entry point.
7914         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
7915         building code, replace with create_ssa_artficial_load_stmt().
7916         * tree-ssa-operands.c (struct voperands_d): Delete.
7917         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
7918         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
7919         (free_uses, free_defs, free_vuses, free_v_may_defs,
7920         free_v_must_defs): Remove dealloc parameter.
7921         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
7922         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
7923         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
7924         vector comparisons, ssa_name reuse, and allocations here.
7925         (verify_start_operands): Delete.
7926         (finalize_ssa_stmt_operands): Set new operands by calling finalize
7927         routines.
7928         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
7929         (append_def, append_usei): Simplify to simple accumulation.
7930         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
7931         duplicates and simple accumulation.
7932         (free_ssa_operands): Free vectors in a stmt_operand structure.
7933         (build_ssa_operands): New. Create a new stmt_operand structure from
7934         a stmt and an old set of stmt_operands.
7935         (get_stmt_operands): Simplify and call build_ssa_operands.
7936         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
7937         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
7938         add_call_read_ops): Don't pass prev_vops around anymore.
7939         (note_addressable): Return if no stmt annotation.
7940         (copy_virtual_operands): Access v_may_def operands through a struct.
7941         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
7942         hash tables without treating the stmt as a real stmt.
7943         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
7944         v_may_def def and use through a struct instead of 2 array elements.
7945         (struct v_may_def_optype_d): Use v_may_def_operand_type.
7946         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
7947
7948 2004-08-11  Nick Clifton  <nickc@redhat.com>
7949
7950         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
7951         this funciton's behaviour.  Return true when the current function
7952         has a section attribute and -mlong-calls is in effect.
7953         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
7954         short-call marker when -mlong-calls is in effect and the function
7955         has a section attribute.
7956
7957 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
7958
7959         * stmt.c (expand_return): If asked to return the RESULT_DECL,
7960         just call expand_value_return on result_rtl.
7961
7962 2004-08-10  Richard Henderson  <rth@redhat.com>
7963
7964         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
7965         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
7966         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
7967         (add_location_or_const_value_attribute): ... not here.  Use
7968         loc_descriptor_from_tree if possible.
7969         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
7970         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
7971         values specially.
7972         (loc_descriptor_from_tree): New.  Update callers.
7973         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
7974         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
7975         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
7976         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
7977         and BUILT_IN_STACK_RESTORE.
7978         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
7979         * stmt.c (expand_stack_alloc): Remove.
7980         * tree-mudflap.c (mx_register_decls): Don't look for
7981         BUILT_IN_STACK_ALLOC.
7982         * tree-nested.c (convert_local_reference): Likewise.
7983         * tree.h (DECL_VALUE_EXPR): New.
7984
7985 2004-08-10  Richard Henderson  <rth@redhat.com>
7986
7987         * stor-layout.c (round_up): Check for 0/1 before dividing.
7988         (round_down): Likewise.
7989
7990         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
7991
7992 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
7993
7994         * config.gcc (arm*-*-eabi*): New target.
7995         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
7996         (TARGET_LIB_INT_CMP_BIASED): Likewise.
7997         * expmed.c (expand_divmod): Try a two-valued divmod function as a
7998         last resort.
7999         * gthr.h: Remove bogus tokens at end of #pragma.
8000         * optabs.c (expand_twoval_binop_libfunc): New function.
8001         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
8002         (prepare_float_lib_cmp): Try reversing the condition.
8003         (debug_optab_libfuncs): New function.
8004         * optabs.h (expand_twoval_binop_libfunc): Declare.
8005         * config/arm/arm.c (arm_init_libfuncs): New function.
8006         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
8007         (TARGET_INIT_LIBFUNCS): Define it.
8008         * config/arm/arm.h (TARGET_BPABI): New macro.
8009         * config/arm/arm-protos.h
8010         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
8011         * config/arm/bpabi.S: New file.
8012         * config/arm/bpabi.c: Likewise.
8013         * config/arm/bpabi.h: Likewise.
8014         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
8015         (__aeabi_drsub): Likewise.
8016         (__aeabi_dsub): Likewise.
8017         (__aeabi_dadd): Likewise.
8018         (__aeabi_ui2d): Likewise.
8019         (__aeabi_i2d): Likewise.
8020         (__aeabi_f2d): Likewise.
8021         (__aeabi_dmul): Likewise.
8022         (__aeabi_ddiv): Likewise.
8023         (__aeabi_cdrcmple): Likewise.
8024         (__aeabi_cdcmpeq): Likewise.
8025         (__aeabi_cdcmple): Likewise.
8026         (__aeabi_dcmpeq): Likewise.
8027         (__aeabi_dcmplt): Likewise.
8028         (__aeabi_dcmple): Likewise.
8029         (__aeabi_dcmpge): Likewise.
8030         (__aeabi_dcmpgt): Likewise.
8031         (__aeabi_dcmpun): Likewise.
8032         (__aeabi_d2iz): Likewise.
8033         (__aeabi_d2uiz): Likewise.
8034         (__aeabi_d2f): Likewise.
8035         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
8036         (__aeabi_frsub): Likewise.
8037         (__aeabi_fsub): Likewise.
8038         (__aeabi_fadd): Likewise.
8039         (__aeabi_ui2f): Likewise.
8040         (__aeabi_i2f): Likewise.
8041         (__aeabi_fmul): Likewise.
8042         (__aeabi_fdiv): Likewise.
8043         (__aeabi_cfrcmple): Likewise.
8044         (__aeabi_cfcmpeq): Likewise.
8045         (__aeabi_cfcmple): Likewise.
8046         (__aeabi_fcmpeq): Likewise.
8047         (__aeabi_fcmplt): Likewise.
8048         (__aeabi_fcmple): Likewise.
8049         (__aeabi_fcmpge): Likewise.
8050         (__aeabi_fcmpgt): Likewise.
8051         (__aeabi_fcmpun): Likewise.
8052         (__aeabi_f2iz): Likewise.
8053         (__aeabi_f2uiz): Likewise.
8054         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
8055         (__aeabi_uidivmod): New function or alias.
8056         (__aeabi_idivmod): Likewise.
8057         (__aeabi_idiv0): Likewise.
8058         (__aeabi_ldiv0): Likewise.
8059         (__aeabi_llsr): Likewise.
8060         (__aeabi_lasr): Likewise.
8061         (__aeabi_llsl): Likewise.
8062         (bpabi.S): Include it.
8063         * config/arm/libgcc-bpabi.ver: New file.
8064         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
8065         (LINK_SPEC): Remove.
8066         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
8067         __aeabi_ulcmp.
8068         * config/arm/t-bpabi: New file.
8069         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
8070         (TARGET_LIB_INT_CMP_BIASED): Likewise.
8071
8072 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
8073
8074         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
8075         * config/rs6000/rs6000.md (clrmemsi): New pattern.
8076         * config/rs6000/rs6000.c (expand_block_clear): New function.
8077         (expand_block_move): Convert alignment to bits.  Use SImode and
8078         HImode for unaligned addresses if not STRICT_ALIGNMENT.
8079
8080 2004-08-10  Caroline Tice  <ctice@apple.com>
8081
8082         * varasm.c (unlikely_section_label): New global variable.
8083         (unlikely_text_section_name): New global variable.
8084         (text_section):  Remove alignment statement.
8085         (unlikely_text_section): Remove alignment statement; use
8086         unlikely_section_label rather than hard-coded string.
8087         (assemble_start_function): Initialize unlikely_section_label and
8088         unlikely_text_section_name;  make sure cold section is properly
8089         aligned at start of function; output unlikely_section_label if
8090         appropriate.
8091
8092 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
8093
8094         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
8095         * config/s390/s390.c (s390_canonicalize_comparison): New function.
8096         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
8097         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
8098         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
8099         ("*tmqi_mem"): Remove SUBREG from pattern.
8100         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
8101         ("*andsi3_cconly"): Likewise.
8102
8103 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8104
8105         PR target/16909
8106         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
8107
8108 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
8109
8110         * doc/sourcebuild.texi (compat testing): Document available test
8111         framework commands.  Use the preferred spelling of DejaGnu.
8112
8113 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
8114
8115         * lambda.h: Add matrix type, and prototypes for remainder of
8116         matrix and vector functions.
8117         (lambda_vector_mult_const): New function.
8118         (lambda_vector_negate): Ditto.
8119         (lambda_vector_add): Ditto.
8120         (lambda_vector_add_mc): Ditto.
8121         (lambda_vector_copy): Ditto.
8122         (lambda_vector_zerop): Ditto.
8123         (lambda_vector_equal): Ditto.
8124         (lambda_vector_min_nz): Ditto.
8125         (lambda_vector_first_nz): Ditto.
8126         (lambda_vector_matrix_mult): Ditto.
8127         * lambda-mat.c: New file.
8128         * Makefile.in (lambda-mat.o): New.
8129
8130 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
8131
8132         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
8133         after linking stmt into the program.
8134         (bsi_remove): Don't call modify_stmt.
8135         * tree-complex.c (update_complex_assignment,
8136         expand_complex_comparison): Call modify_stmt after changing the stmt.
8137         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
8138         removing the stmt.
8139         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
8140         the stmt, and only if needed.
8141         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
8142         expression.
8143         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
8144         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
8145         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
8146         (eliminate_redundant_computations): Don't pass an annotation. Call
8147         modify_stmt rather than setting the annotation directly.
8148         (record_equivalences_from_stmt): Remove unused local 'j'.
8149         (cprop_operand): Take a stmt rather than an annotation as a parameter.
8150         Call modify_stmt.
8151         (cprop_into_stmt): Pass stmt rather than annotation.
8152         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
8153         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
8154         modify_stmt.
8155         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
8156
8157 2004-08-10  Jason Merrill  <jason@redhat.com>
8158
8159         PR middle-end/16948
8160         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
8161         the RESULT_DECL.
8162
8163 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
8164
8165         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
8166         hash function.
8167
8168 2004-08-10  Roger Sayle  <roger@eyesopen.com>
8169
8170         * config/mips/mips.md: New reciprocal square root patterns that
8171         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
8172
8173 2004-08-10  Paul Brook  <paul@codesourcery.com>
8174
8175         * config/arm/arm-protos.h (arm_set_return_address,
8176         thumb_set_return_address): Add prototypes.
8177         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
8178         * config/arm/arm.c (arm_compute_func_type,
8179         use_return_insn, arm_compute_save_reg0_reg12_mask,
8180         arm_compute_save_reg_mask, arm_output_function_prologue,
8181         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
8182         current_function_calls_eh_return.
8183         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
8184         old eh code.
8185         (arm_set_return_address, thumb_set_return_address): New functions.
8186         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
8187         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
8188         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
8189         (epilogue): Use the stackadj register.
8190         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
8191
8192 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
8193
8194         PR target/3144
8195         * expr.c (move_by_pieces_ninsns): Add max_size argument.
8196         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
8197         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
8198         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
8199         but using MOVE_RATIO.
8200         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
8201         (can_store_by_pieces): Change max_size type to unsigned int.
8202         (store_by_pieces_1): Likewise.  Pass max_size to
8203         move_by_pieces_ninsns.
8204         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
8205         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
8206         to move_by_pieces_ninsns.
8207         (STORE_BY_PIECES_P): Define.
8208         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
8209         to move_by_pieces_ninsns.
8210         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
8211
8212         * config/i386/i386.h (CLEAR_RATIO): Define.
8213
8214 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8215
8216         * expr.c (expand_expr_real_1): Add back code that was not dead.
8217
8218 2004-08-09  Andrew Pinski  <apinski@apple.com>
8219
8220         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
8221         which is found to be compatible before returning the aliasing set.
8222
8223 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
8224
8225         * ggc-zone.c (struct alloc_zone): Add statistics counters.
8226         (always_collect): New flag.
8227         (ggc_alloc_zone_1): Update statistics support.  Don't include
8228         overhead in allocated counter.
8229         (sweep_pages): Update allocated counter for large pages.  Don'y
8230         include overhead.
8231         (ggc_collect_1): Always collect.
8232         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
8233         whether to collect.
8234         (SCALE, LABEL): New macros.
8235         (ggc_print_statistics): Add statistics support.
8236
8237 2004-08-09  Roger Sayle  <roger@eyesopen.com>
8238
8239         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
8240         (init_expmed): Fix potential overrun problem with "all.reg".
8241         (expand_sdiv2_pow2): Add an alternate implementation for signed
8242         division, if the target provides a suitable conditional move insn.
8243
8244 2004-08-09  Paul Brook  <paul@codesourcery.com>
8245         Richard Henderson  <rth@redhat.com>
8246
8247         * unwind-dw2.c (uw_install_context_1): Update target saved stack
8248         pointer.
8249
8250 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
8251
8252         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
8253         Check DATA limit only if there's no AS limit.  Ignore insanely
8254         low DATA limits.
8255         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
8256         but take care that the AS limit isn't overrun.
8257         * doc/invoke.texi: Update documentation of min-heapsize parameter.
8258
8259 2004-08-09  Jeff Law  <law@redhat.com>
8260
8261         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
8262         (tree-ssa-threadupdate.o): Add dependencies.
8263         * tree-ssa-threadupdate.c: New file.
8264         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
8265         (rewrite_vars_out_of_ssa): Remove prototype.
8266         (cleanup_tree_cfg): Returns a bool.
8267         * tree.h (thread_through_all_blocks): Prototype.
8268         * tree-outof-ssa.c  (SSANORM_*): Move into here.
8269         (remove_ssa_form): Now static.
8270         (rewrite_vars_out_of_ssa): Kill.
8271         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
8272         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
8273         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
8274         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
8275         anything was changed.
8276         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
8277         from the PHI's annotation rather than the edge associated with
8278         the new argument.
8279         * tree-ssa-dom.c (redirection_edges): Kill.
8280         (redirect_edges_and_update_ssa_graph): Kill.
8281         (tree_ssa_dominator_optimize): Do not reset forwardable flag
8282         for blocks anymore.  Do not initialize redirection_edges.
8283         Call thread_through_all_blocks.  Simplify code for cleanup
8284         of the CFG and iterating.  No longer call cleanup_tree_cfg
8285         outside the iteration loop.
8286         (thread_across_edge): No longer mess with forwardable blocks.
8287
8288 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
8289
8290         * explow.c (memory_address): Use memory_address_p.
8291         * recog.c (general_operand): Likewise.
8292         * regrename.c: No need to define REG_OK_STRICT.
8293
8294 2004-08-09  Steven Bosscher  <stevenb@suse.de>
8295
8296         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
8297         New timers.
8298         * gcse.c: Include timevar.h.
8299         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
8300         and global_copy_prop_count.
8301         (local_const_prop_count, local_copy_prop_count): New static globals.
8302         (gcse_main): Set the right timevar for each pass.
8303         (cprop_jump): Increment global_const_prop_count when a constant is
8304         propagated.  Add "GLOBAL" to dump output.
8305         (cprop_insn): Increment global_const_prop_count when a constant is
8306         propagated, or global_copy_prop_count when a copy is propagated.
8307         (do_local_cprop): Likewise for local_const_prop_count and
8308         local_copy_prop_count.
8309         (one_cprop_pass): Initialize const/cprop counters to zero.
8310         Print out results of local and global const/cprop separately.
8311         (bypass_block): Break over-length line.
8312         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
8313         for bb-reorder.o and tracer.o.
8314
8315 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8316
8317         * Makefile.in (GTFILES): Remove stmt.c
8318         (stmt.o): Do not depend on gt-stmt.h.
8319         * emit-rtl.c (emit_line_note): Do not call
8320         set_file_and_line_for_stmt.
8321         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
8322         do everything.
8323         * function.c (free_after_parsing): Do not free STMT field.
8324         (allocate_struct_function): Do not call init_stmt_for_function.
8325         (assign_stack_temp_for_type): Do not accept values of keep
8326         other than 0 or 1.
8327         (init_temp_slots): Do not initialize removed variables.
8328         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
8329         and X_VAR_TEMP_SLOT_LEVEL fields.
8330         * rtl.h (set_file_and_line_for_stmt): Remove.
8331         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
8332         struct stmt_status, cond_stack, case_stack, nesting_stack,
8333         nesting_depth, emit_locus, set_file_and_line_for_stmt,
8334         same_case_target_p, init_stmt_for_function, emit_nop,
8335         expand_start_cond, expand_start_elseif, expand_start_else,
8336         expand_elseif, expand_end_cond): Remove.
8337         (preserve_subexpressions_p): Remove references to CFUN->STMT.
8338         (expand_start_case, expand_end_case_type): Remove, merge into...
8339         (expand_case): ... this one, including other bits from
8340         expand_expr_real_1.  Inline same_case_target_p.  Turn members
8341         of CASE_STACK into local variables.
8342         (emit_case_bit_tests): Inline same_case_target_p.
8343         (add_case_node): Add HEAD argument, return new head of the list,
8344         do not handle default label here.
8345         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
8346         expand_start_elseif, current_nesting_level, expand_start_case,
8347         expand_end_case_type, expand_end_case, add_case_node,
8348         init_stmt_for_function, expand_elseif): Remove prototypes.
8349         (expand_case): Add prototype.
8350
8351 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8352
8353         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
8354
8355 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8356
8357         * expr.c (var_rtx): Remove.
8358         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
8359         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
8360         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
8361         Abort.
8362         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
8363         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
8364         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
8365
8366 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
8367         Ayal Zaks <zaks@il.ibm.com>
8368
8369         * common.opt (freschedule-modulo-scheduled-loops): New flag.
8370         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
8371         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
8372         when -freschedule-modulo-scheduled-loops flag is not specified.
8373         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
8374         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
8375         More accurate placing of insn in row of partial schedule.
8376         (ps_insn_find_column): New function.
8377         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
8378         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
8379         (schedule_region): Use sched_is_disabled_for_current_region_p.
8380         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
8381
8382 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
8383
8384         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
8385         change.
8386
8387 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
8388
8389         * config/i386/i386.c (ix86_expand_clrmem): Properly call
8390         gen_strset for 64bit target.
8391
8392 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
8393
8394         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
8395
8396 2004-08-07  Jason Merrill  <jason@redhat.com>
8397
8398         Make return in memory explicit.
8399         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
8400         (assign_parm_find_data_types): Remove code for old front end
8401         invisible reference handling.
8402         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
8403         (expand_function_end): Likewise.
8404         * gimplify.c (gimplify_return_expr): Handle a dereferenced
8405         RESULT_DECL.
8406         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
8407         (declare_return_variable): Handle DECL_BY_REFERENCE.
8408         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
8409         (cp_genericize_r): Use convert_from_reference.
8410         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
8411         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
8412
8413         * c-common.c (c_warn_unused_result): Check TREE_USED before
8414         warning about a CALL_EXPR with an unused value.
8415
8416 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
8417
8418         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
8419         to the compiler.  Use -fshort-wchar by default.
8420
8421 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
8422
8423         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
8424         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
8425         threshhold.
8426         * doc/invoke.texi (param): Document min-crossjump-insns.
8427
8428 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
8429
8430         PR c/13282
8431         * c.opt (Wmissing-field-initializers): New option.
8432         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
8433         * c-typeck.c (pop_init_level): Guard the missing field warning with
8434         warn_missing_field_initializers rather than extra_warnings.
8435         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
8436         some of the explanation from...
8437         (-Wextra): ...here.  Say that the missing field warning can be
8438         seperately controlled by -Wmissing-field-initializers.
8439
8440 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
8441
8442         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
8443         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
8444         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
8445         * tree.def (ENTRY_VALUE_EXPR): Remove.
8446
8447 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
8448
8449         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
8450         the places where it is actually needed.  Don't use repz; stosb
8451         for -Os with sufficiently small constant sizes.
8452         For sufficiently small repz; stos{l,q} repeat counts use a sequence
8453         of stos{l,q} instructions instead.
8454
8455 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8456
8457         PR tree-optimization/16807
8458         * loop-iv.c (dump_iv_info): Dump invariants correctly.
8459         (iv_subreg, iv_extend): Express value of invariant purely in
8460         base field.
8461
8462 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
8463
8464         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
8465         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
8466
8467 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
8468
8469         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
8470         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
8471         pre_dec_operand.
8472         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
8473         pattern until reload is finished to allow better code generation
8474         and split them completely into separate instrunctions.
8475         (*andsi3_split): New pattern.
8476
8477 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
8478
8479         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
8480         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
8481         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8482         * tree.h (handle_dll_attribute): Declare.  Test
8483         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8484         * c-common.h (c_determine_visibility): Declare.
8485         * c-common.c (c_determine_visibility): New function.
8486         * c-decl.c (finish_decl): Use it.
8487         (finish_function): Likewise.
8488         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
8489         zero, by default.  Use #if, not #ifdef, to test it.
8490         * config/arm/arm.c (arm_attribute_table): Use
8491         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
8492         #if.
8493         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
8494         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8495         to 1.
8496         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
8497         * config/i386/i386.c (ix86_attribute_table): Use
8498         handle_dll_attribute for dllimport/dllexport.  Test
8499         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8500         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
8501         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8502         it to 1.
8503         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
8504         with #if.
8505         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8506         it to 1.
8507         * doc/extend.texi (dllexport): Clarify and correct documentation.
8508         (dllimport): Likewise.
8509         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
8510         handle_dll_attribute.
8511
8512 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8513
8514         * tree-ssa-loop-manip.c: New file.
8515         * Makefile.in (tree-ssa-loop-manip.o): Add.
8516         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
8517         Declare.
8518         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
8519         form.
8520         (tree_ssa_loop_done): Verify loop closed ssa form.
8521         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
8522
8523 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8524
8525         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
8526         pa_asm_output_aligned_local): New functions.
8527         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
8528         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
8529         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
8530         pa_asm_output_aligned_common.
8531         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8532         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
8533         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
8534         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8535         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
8536         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
8537         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8538         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
8539         common data.
8540
8541 2004-08-05  Andrew Pinski  <apinski@apple.com>
8542
8543         * objc/objc-act.c (build_objc_string_object): Mark the address
8544         expression as constant.
8545
8546 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
8547
8548         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
8549         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
8550         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
8551
8552 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8553
8554         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
8555         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
8556         out, and associated obsolete comments.
8557
8558 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
8559
8560         * tree.h (force_fit_type): Return a tree, take three flags.
8561         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
8562         TREE_CONSTANT_OVERFLOW here.
8563         (int_const_binop, const_binop): Adjust.
8564         (size_int_type): Do sign extension here.
8565         (fold_convert_const, optimize_bit_field_compare,
8566         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
8567         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
8568         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
8569
8570 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8571
8572         PR tree-optimization/16864
8573         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
8574         for ssa names without default_def.
8575
8576 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
8577
8578         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
8579         frame pointer, restore eax with an ebp-relative address.
8580
8581 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
8582
8583         PR 14516
8584         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
8585         * c-common.h (make_rtl_for_local_static): Delete.
8586         * c-decl.c (shadow_tag_warned): Clean up comment.
8587         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
8588         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
8589         * c-semantics.c (make_rtl_for_local_static): Delete.
8590         * expr.c (init_block_move_fn): Use set_user_assembler_name.
8591         (init_block_clear_fn): Likewise.
8592         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
8593         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
8594         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
8595         * tree.h (make_decl_rtl): Remove second parameter.
8596         (set_user_assembler_name): New.
8597         * varasm.c (set_user_assembler_name): New.
8598         (make_decl_rtl): Remove second parameter.  Update callers in many
8599         files.
8600
8601 2004-08-05  Adam Nemet  <anemet@lnxw.com>
8602
8603         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
8604         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
8605         to LynxOS 4.0.
8606         * gthr-lynx.h: New file.
8607         * config/lynx-ng.h: Remove file.
8608         * config/lynx.h: Update to LynxOS 4.0.
8609         * config/t-lynx: New file.
8610         * config/i386/lynx-ng.h: Remove file.
8611         * config/i386/lynx.h: Update to LynxOS 4.0.
8612         * config/rs6000/lynxbase.h: Remove file.
8613         * config/rs6000/lynx.h: Update to LynxOS 4.0.
8614         * config/rs6000/t-lynx: New file.
8615         * doc/install.texi (Options specification): Remove reference to
8616         LynxOS from systems where --with-gnu-as makes a difference.
8617
8618 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8619
8620         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
8621         __UINTMAX_TYPE__.
8622         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
8623         __INTMAX_MAX__.
8624         (c_cpp_builtins): Call it.
8625         * doc/cpp.texi: Update.
8626
8627 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
8628
8629         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
8630         cost.
8631
8632 2004-08-04  Jan Hubicka  <jh@suse.cz>
8633
8634         * basic-block.h (profile_staus): New global variable.
8635         * cfg.c (profile_status): Declare.
8636         (check_bb_profile): Break out from ....; use profile_status
8637         (dump_flow_info): ... here.
8638         * cfgbuild.c (find_basic_blocks): Set profile_status.
8639         * cfgexpand.c (tree_expand_cfg): Likewise.
8640         * predict.c (estimate_probability): Likewise.
8641         * profile.c (branch_prob): Likewise.
8642         * tree-cfg.c (build_tree_cfg): Likewise.
8643         (dump_function_to_file): Use check_bb_profile.
8644         * tree-pretty-print (dump_bb_header): Likewise.
8645         * tree-profile.c (do_tree_profiling): Cleanup.
8646
8647 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
8648
8649         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
8650         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
8651         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
8652         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
8653         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
8654         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
8655         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
8656         (ggc-none.o, errors.o): Move rule to generators section;
8657         correct dependencies.
8658         (min-insn-modes.o): Move rule to generators section; remove
8659         unnecessary explicit command; correct dependencies.
8660         (print-rtl.o, print-rtl1.o): Correct dependencies.
8661         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
8662         (mostlyclean): Update.
8663
8664         * errors.c: Include bconfig.h not config.h.  Correct comment.
8665         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
8666         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
8667         * print-rtl.c: Don't include tm_p.h.
8668
8669         * rtl.h: Move forward-decl of struct function down where it's
8670         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
8671         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
8672
8673 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8674             Jeff Law  <law@redhat.com>
8675
8676         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
8677         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
8678         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
8679         manipulate the duplicated ssa names.
8680         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
8681         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
8682         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
8683         New functions.
8684         (release_ssa_name): Do not release ssa names that may have multiple
8685         definitions.
8686         * tree.h (release_ssa_name_force, mark_for_rewrite,
8687         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
8688         marked_ssa_names): Declare.
8689         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
8690         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
8691         Update call to rewrite_ssa_into_ssa.
8692
8693 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
8694
8695         * defaults.h (TARGET_DECLSPEC): New macro.
8696         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
8697         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
8698         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
8699         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
8700         __declspec support.
8701         (TARGET_DECLSPEC): Define.
8702         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
8703         __declspec support.
8704         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
8705         __declspec support.
8706         (TARGET_DECLSPEC): Define.
8707         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
8708         __declspec support.
8709         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
8710         support.
8711         * doc/tm.texi (TARGET_DECLSPEC): Document.
8712
8713         * doc/extend.texi: Fix typo in comment.
8714
8715 2004-08-04  Paul Brook  <paul@codesourcery.com>
8716
8717         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
8718         (TARGET_CXX): Use it.
8719         * target.h (struct gcc_target): Add cdtor_returns_this.
8720         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
8721         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
8722         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
8723
8724 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
8725
8726         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
8727         low/high pair. Do range checking directly.
8728         (interpret_integer): Adjust.
8729
8730 2004-08-04  Nick Clifton  <nickc@redhat.com>
8731
8732         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
8733         GCC ABI.
8734         * doc/invoke.texi: Document this new switch and also the -mrenesas
8735         switch.
8736
8737 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
8738
8739         * cfglayout.c (insn_locators_initialize): Update the current
8740         location before initializing a location.
8741
8742 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
8743
8744         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
8745         (dbxout_function_end): Return after emitting the "Lscope" symbol
8746         under the same conditions that this function formerly wasn't called.
8747         Add explanatory comments.
8748
8749         PR 14860
8750         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
8751         on the new decl.
8752
8753         PR 13956
8754         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
8755         functions, broken out of dbxout_block.
8756         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
8757         stabs too, if it contains symbols.  Use the begin_label and
8758         the Lscope label (emitted by dbxout_function_end) for the
8759         range of this block.
8760
8761 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
8762
8763         * doc/install.texi: Update autoconf version requirements.
8764
8765 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
8766
8767         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
8768         * recog.c (general_operand, immediate_operand, nonmemory_operand)
8769         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
8770         * regclass.c (record_reg_classes): Likewise.
8771         * reload.c (find_reloads): Likewise.
8772         * reload1.c (reload): Likewise.
8773
8774 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
8775
8776         * gensupport.c (init_md_reader_args_cb): Renamed from
8777         init_md_reader_args.  Add third option, callback function for
8778         parsing program-specific options.  Add diagnosis of incorrect
8779         number of input files.
8780         (init_md_reader): Fold into init_md_reader_args_cb.
8781         (init_md_reader_args): Now a thin wrapper around
8782         init_md_reader_args_cb.
8783         * gensupport.h: Update prototypes.
8784
8785         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8786         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8787         * genrecog.c: No need to diagnose lack of an input file;
8788         init_md_reader_args will handle it.
8789         * genconditions.c: Likewise, and use init_md_reader_args.
8790         * genconstants.c: Likewise, and no need to call read_md_rtx.
8791
8792 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
8793
8794         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
8795         declarations.
8796
8797 2004-08-03  Mike Stump  <mrs@apple.com>
8798
8799         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
8800         for frameworks.
8801         * doc/invoke.texi (Darwin Options): Update to reflect above.
8802
8803 2004-08-03  Roger Sayle  <roger@eyesopen.com>
8804
8805         PR middle-end/16790
8806         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
8807         truncations, not just global truncations.
8808
8809 2004-08-03  Andrew Pinski  <apinski@apple.com>
8810
8811         PR bootstrap/16865
8812         * loop-iv.c (simplify_using_assignment): Initialize lhs.
8813
8814 2004-08-03  Paul Brook  <paul@codesourcery.com>
8815
8816         * gcc/doc/install.texi: Document MPFR requirement.
8817
8818 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
8819
8820         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
8821         and mmap() explicitly instead of relying on preset autoconf cache
8822         variables.
8823         * configure: Regenerate.
8824
8825 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
8826
8827         PR target/16570
8828         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
8829         to tmake_file.
8830         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
8831         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
8832         to tmake_file.
8833
8834         * config/i386/t-gmm_malloc: New file.
8835         * config/i386/t-pmm_malloc: Likewise.
8836
8837         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
8838
8839 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
8840             Tanguy Fautrà <tfautre@pandora.be>
8841
8842         * config/i386/pmm_malloc.h: New file.
8843
8844 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
8845
8846         * config/i386/gmm_malloc.h: New file.
8847
8848 2004-08-03  Dale Johannesen  <dalej@apple.com>
8849
8850         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
8851         * c-common.c: Include opts.h.
8852         (c_common_get_alias_set): Fix check for a single input file.
8853         * toplev.c: Remove current_file_decl.
8854         * tree.h: Ditto.
8855
8856 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
8857
8858         * config.gcc (arm*-*-symbianelf*): New target.
8859         * config/arm/symbian.h: New file.
8860
8861         * gthr-gnat.c: Add visibility #pragmas.
8862         * gthr-gnat.h : Likewise.
8863         * gthr.h: Likewise.
8864         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
8865         (__ffsDI2): Likewise.
8866         (__clzSI2): Likewise.
8867         (__ctzSI2): Likewise.
8868         (__ctzDI2): Likewise.
8869         (__popcountSI2): Likewise.
8870         (__popcountDI2): Likewise.
8871         (__paritySI2): Likewise.
8872         (__parityDI2): Likewise.
8873         * libgcc2.h: Add visibility #pragmas.
8874         (__clzDI2): Add prototype.
8875         (__clzSI2): Likewise.
8876         (__ctzSI2): Likewise.
8877         (__ffsDI2): Likewise.
8878         (__ffsSI2): Likewise.
8879         (__ctzDI2): Likewise.
8880         (__popcountSI2): Likewise.
8881         (__popcountDI2): Likewise.
8882         (__paritySI2): Likewise.
8883         (__parityDI2): Likewise.
8884         * unwind-dw2-fde.h: Add visibility #pragmas.
8885         * unwind.h: Likewise.
8886
8887 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
8888             Dale Johannesen  <dalej@apple.com>
8889             Roger Sayle  <roger@eyesopen.com>
8890
8891         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
8892         constants more accurately.  Adjust costs for FMA instructions.
8893         Add cases for most logical and float operations.  Recurse into
8894         most operands.
8895
8896 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
8897
8898         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
8899
8900 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
8901
8902         * ra-build.c (conflicts_between_webs): For webs that cross a call add
8903         conflicts to regs_invalidated_by_call.
8904
8905 2004-08-03  Paul Brook  <paul@codesourcery.com>
8906
8907         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
8908
8909 2004-08-03  Jan Hubicka  <jh@suse.cz>
8910
8911         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
8912         ARRAY_REF argument.
8913
8914 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
8915
8916         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
8917         arm968es, arm10e, arm1020e, arm1022e.
8918         * invoke.texi: Update list of ARM cores.
8919         * arm-tune.md: Regenerate.
8920
8921 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
8922
8923         * arm/gentune.sh: New file.
8924         * arm/t-arm: New file.
8925         * arm/arm-tune.md: New file (autogenerated).
8926         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
8927         * arm.md (attribute tune): Delete.  Include arm-tune.md.
8928
8929 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
8930
8931         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
8932         penultimate parameter.  All callers adjusted.
8933         (struct prefix_list): Remove used_flag_ptr.
8934         (find_a_file): Do not set *pl->used_flag_ptr.
8935         (warn_B, warn_std_ptr): Remove.
8936
8937 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
8938             Mostafa Hagog <mustafa@il.ibm.com>
8939
8940         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
8941
8942 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
8943
8944         * dwarf2out.c (output_call_frame_info): Don't change data format
8945         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
8946         label.  Use 'true' not '1'.
8947         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
8948         required.
8949
8950 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8951
8952         * gdbinit.in: Reflect previous changes to rtunion_def.
8953
8954 2004-08-02  Roger Sayle  <roger@eyesopen.com>
8955
8956         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
8957         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
8958
8959 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8960
8961         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
8962         vec_p_reserve.
8963         * langhooks.h (lang_hooks::builtin_function): Rename parameter
8964         from "class" to "bt_class".
8965
8966 2004-08-02  Paul Brook  <paul@codesourcery.com>
8967
8968         PR rtl-optimization/15068
8969         * flow.c (init_propagate_block_info): Check condition is reversible.
8970
8971 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8972
8973         * gengtype.h (options::info): Change type to const char *.
8974         (enum gc_used_enum): Move out of struct type scope.
8975         * gengtype.c (create_option): Convert initializer for option::info to
8976         appropiate type.
8977         (adjust_field_type, walk_type, write_func_for_structure,
8978         write_root, write_roots): Remove pointless cast.
8979
8980 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
8981
8982         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
8983
8984 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8985
8986         * rtl.h (union rtunion_def): Have all members  start with the
8987         prefix "rt_".
8988         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
8989         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
8990         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
8991         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
8992         access.
8993         * gengtype.c (adjust_field_rtx_def): Likewise.
8994         * rtlanal.c (loc_mentioned_in_p): Likewise.
8995
8996 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
8997
8998         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
8999         Replace uses of mips/elf64.h with mips/elf.h
9000         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
9001         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
9002         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
9003         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
9004         (HANDLE_SYSV_PRAGMA): Delete.
9005         (ASM_OUTPUT_DEF): Fix formatting.
9006         * config/mips/elf64.h: Delete.
9007
9008 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
9009
9010         * config/ia64/ia64.c (got_symbolic_operand): Do require a
9011         symbol+offset operand to have its offset be zero mod 0x3fff
9012         when GOT entries are in use.  Clarify logic in SYMBOL_REF
9013         case.  Clarify comments.
9014         (ia64_expand_load_address): Split a symbol+offset load when
9015         the offset is nonzero mod 0x3fff, not 0x1fff.
9016
9017 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
9018
9019         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
9020         if trying to *store* to a non-offsettable address.
9021         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
9022         a nonoffsettable address.
9023         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
9024         Clean up.
9025         (movti_string): Don't move GPRs to a nonoffsettable address.
9026         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
9027
9028 2004-08-02  Ben Elliston  <bje@au.ibm.com>
9029
9030         PR target/16155
9031         * config/rs6000/altivec.h: Replace typeof with __typeof__.
9032
9033 2004-08-01  Richard Henderson  <rth@redhat.com>
9034
9035         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
9036         variable sized types.
9037
9038 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9039
9040         * doc/invoke.texi: In the MIPS options section, remove the passage
9041         saying that -mexplicit-relocs is usually disabled for -mabicalls
9042         -fno-unit-at-a-time.
9043         * config/mips/mips.c (override_options): Remove the code that enforced
9044         this rule.
9045
9046 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9047
9048         * config/mips/mips.md (cprestore): Provide two alternatives, one for
9049         an in-range offset and one for an out-of-range offset.  Wrap the latter
9050         in .set macro/.set nomacro if it's inside a .set nomacro block.
9051
9052 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9053
9054         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
9055         (mips_restore_gp): Declare.
9056         * config/mips/mips.c (mips_add_offset): Add a scratch register
9057         argument.  Reimplement in rtl only, reusing MIPS16 logic from
9058         mips_output_mi_thunk.
9059         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
9060         to mips_add_offset.
9061         (mips_gp_save_slot): Delete.
9062         (mips_restore_gp): New function.
9063         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
9064         * config/mips/mips.md (exception_receiver): Turn into a
9065         define_insn_and_split.  Use mips_restore_gp to do the split.
9066         (call_internal, call_value_internal, call_value_multiple_internal): Use
9067         mips_restore_gp to restore $gp.
9068
9069 2004-07-31  Andrew Pinski  <apinski@apple.com>
9070
9071         PR other/16842
9072         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
9073
9074 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
9075
9076         * c-decl.c (diagnose_mismatched_decls): Give error for external
9077         redeclaration of identifier declared with no linkage, not just
9078         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
9079         error for redeclaration with no linkage.
9080
9081 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
9082             Fariborz Jahanian <fjahanian@apple.com>
9083
9084         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
9085         non-offsettable addresses even for DImode.
9086         (rs6000_split_multireg_move): Cope with non-offsettable addresses
9087         being moved into multiple GPRs.
9088
9089         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
9090         to 64.
9091         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
9092         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
9093         to 128.
9094         * config/rs6000/darwin-ldouble.c (isless): New macro.
9095         (inf): New macro.
9096         (nonfinite): New macro.
9097         (FPKINF): Delete.
9098         (_xlqadd): Completely rewrite.
9099         (_xlqmul): Correct overflow handling.
9100         (_xlqdiv): Correct overflow handling.
9101         * config/rs6000/darwin-ldouble-format: New file.
9102
9103 2004-07-30  Roger Sayle  <roger@eyesopen.com>
9104             Richard Henderson  <rth@redhat.com>
9105
9106         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
9107         9 into the equivalent lea instruction.
9108
9109 2004-07-30  Richard Henderson  <rth@redhat.com>
9110
9111         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
9112         with DECL_INITIAL if fb_lvalue.
9113         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
9114         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
9115         with <Cxxx>.
9116         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
9117
9118 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
9119
9120         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
9121         pointer escapes through a function call, assume that the
9122         callee will dereference it.
9123         (add_pointed_to_var): Assume that VALUE is always an
9124         ADDR_EXPR.
9125         (collect_points_to_info_r): Only call add_pointed_to_var if
9126         the value is an ADDR_EXPR.
9127
9128 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
9129
9130         * tree-ssa-alias.c (create_alias_map_for): Do not get the
9131         alias set of the inner type of ARRAY_TYPEs.
9132
9133 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9134
9135         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
9136         setting a non-register to UNDEFINED right before the call to
9137         set_lattice_value.
9138
9139 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9140
9141         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
9142
9143 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9144
9145         * tree-ssa.c (verify_flow_sensitive_alias_info): When
9146         comparing points-to sets of different pointers, make sure the
9147         second pointer is actually referenced in the code.
9148
9149 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
9150
9151         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
9152         (got_symbolic_operand): Remove unreachable code.
9153         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
9154         setjmp_operand; add entry for tls_symbolic_operand.
9155         * config/ia64/ia64-protos.h: Remove all prototypes of
9156         predicate functions.
9157
9158 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
9159
9160         * c-common.h (lang_post_pch_load): New variable.
9161         * c-pch.c (lang_post_pch_load): Define it.
9162         (c_common_read_pch): Use it.
9163         * cgraphunit.c (record_call_1): Give the front end a chance to
9164         record additional needed entities when a variable is marked as
9165         needed.
9166         * tlink.c (recompile_files): Robustify.
9167         (scan_linker_output): If a symbol is assigned to a file,
9168         but after recompilation is not present there, issue an error
9169         message.
9170
9171 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9172
9173         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
9174         Take orig_loop argument and pass it to set_level.
9175         (schedule_sm): Pass the correct orig_loop to force_move_till.
9176
9177 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9178
9179         * cfgloop.c (update_latch_info): Update dominator of the new block.
9180         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
9181         info.
9182         * dominance.c (verify_dominators): Check that the dominance tree is
9183         connected.
9184         (recount_dominator): Ignore unreachable blocks.
9185         (iterate_fix_dominators): Cleanup old dominance information before
9186         recomputing it.
9187
9188 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9189
9190         * tree-ssa-operands.c (get_expr_operands): Revert changes
9191         to ADDR_EXPR processing introduced by:
9192             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9193             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
9194
9195 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
9196
9197         * doc/implement-c.texi: Add C90 subclause references.  Point to
9198         preprocessor documentation instead of duplicating it.  Add points
9199         only present in C90.  Fill in documentation for all points.
9200
9201 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9202
9203         * pa.c (output_movb): Correct typo.
9204
9205 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
9206
9207         * ra.h (single_reg_in_regclass): Declare.
9208         * ra.c (single_reg_in_regclass): Define.
9209         (first_hard_reg): New.
9210         (init_ra): Initialize single_reg_in_regclass.
9211         * ra-colorize.c (ok_class): New.
9212         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
9213
9214 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
9215
9216         * gcov-io.h: Allow zero tag as EOF indicator.
9217         (gcov_is_eof): Remove.
9218         (gcov_truncate): Remove.
9219         * gcov-io.c (gcov_seek): Always SEEK_SET.
9220         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
9221         EOF tag.
9222         * coverage.c (read_counts_file): Don't use gcov_is_eof.
9223         * gcov-dump.c (dump_file): Likewise.
9224         * gcov.c (read_graph_file, read_count_file): Likewise.
9225
9226         * c-decl.c (complete_array_type): Don't gratuitously copy
9227         maxindex.  Check it always has a type.
9228
9229 2004-07-29  Steven Bosscher  <stevenb@suse.de>
9230
9231         * rtl.c (currently_expanding_to_rtl): New.
9232         * rtl.h (currently_expanding_to_rtl): Export it.
9233         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
9234
9235         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
9236         inliner hack.
9237         * config/sh/sh.c: Replace rtx_equal_function_value_matters
9238         with currently_expanding_to_rtl.
9239         * config/sh/sh.md: Likewise.
9240         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
9241
9242 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
9243
9244         Introduce sh2a support.
9245         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
9246         * config.gcc: Build multilibs for sh2a and sh2a-single by
9247         default.
9248         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
9249         default.  Split their tests out of the corresponding SH4
9250         multilibs.
9251         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
9252         multilibs for SH2a.
9253         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9254         * config.gcc: Handle sh2a multilibs and cpu selection.
9255         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
9256         * config/sh/t-mlib-sh2a: New.
9257         * config/sh/t-mlib-sh2a-nofpu: New.
9258         * config/sh/t-mlib-sh2a-single: New.
9259         * config/sh/t-mlib-sh2a-single-only: New.
9260         2004-07-09  Nick Clifton  <nickc@redhat.com>
9261         Issue 43400
9262         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
9263         -ml and -m2a are used together.
9264         2004-03-23  DJ Delorie  <dj@redhat.com>
9265         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
9266         when we have a double-sized FPU.
9267         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
9268         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
9269         is set.
9270         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
9271         -msh2a-single and -msh2a-single-only
9272         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
9273         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
9274         is set.
9275         2004-02-20  DJ Delorie  <dj@delorie.com>
9276         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
9277         2004-02-20  Fred Fish <fnf@redhat.com>,
9278         Corinna Vinschen <vinschen@redhat.com>
9279         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
9280         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
9281         2004-02-18  DJ Delorie  <dj@redhat.com>
9282         * config/sh/sh.c (broken_move): Add support for movi20.
9283         * config/sh/sh.h: Likewise.
9284         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
9285         * config/sh/sh.md (udivsi3_sh2a): New.
9286         (udivsi3): Call it.
9287         (divsi3_sh2a): New.
9288         (divsi3): Call it.
9289         (mul_r): New.
9290         (ashlsi3_sh2a): New.
9291         (ashrsi3_sh2a): New.
9292         (lshrsi3_sh2a): New.
9293         (movsi_i): Disable for sh2a.
9294         (movsi_ie): Add movi20.
9295         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
9296         sh2a, for -m2a-nofpu mode.
9297         2004-02-13  DJ Delorie  <dj@redhat.com>
9298         * config/sh/lib1funcs.asm: Handle double vs single better.
9299         * config/sh/sh.h: Likewise.
9300         2004-02-09  DJ Delorie  <dj@redhat.com>
9301         * config/sh/crt1.asm: Add support for sh2a.
9302         * config/sh/elf.h: Likewise.
9303         * config/sh/lib1funcs.asm: Likewise.
9304         * config/sh/sh.c: Likewise.
9305         * config/sh/sh.md: Likewise.
9306         * config/sh/sh.h: Likewise.
9307         * config/sh/t-sh: Likewise.
9308
9309 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9310
9311         * config/frv/frv.md (movqi_internal, movhi_internal,
9312         movsi_internal): Add backup alternatives for memory inputs.
9313
9314 2004-07-28  Matt Austern  <austern@apple.com>
9315
9316         * config/darwin.c (darwin_one_byte_bool): New global variable.
9317         * config/darwin.h (darwin_one_byte_bool): Declare.
9318         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
9319         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
9320         value of darwin_one_byte_bool.
9321         * doc/invoke.texi: Document -mone-byte-bool flag.
9322
9323 2004-07-28  Eric Christopher  <echristo@redhat.com>
9324
9325         * c-common.c (c_common_unsafe_for_reeval): Delete.
9326         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
9327         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
9328         * calls.c (fix_unsafe_tree): Delete.
9329         (expand_call): Delete code which used above.
9330         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
9331         * expr.c (expand_expr_real_1): Ditto.
9332         * fold-const.c (non_lvalue): Ditto.
9333         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
9334         (lhd_unsafe_for_reeval): Ditto.
9335         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
9336         * langhooks.h (unsafe_for_reeval): Ditto.
9337         (unsave_expr_now): Adjust comment.
9338         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
9339         (estimate_num_insns_1): Ditto.
9340         * tree-pretty-print.c (dump_generic_node): Ditto.
9341         * tree.c (expr_align): Ditto.
9342         (unsave_expr): Delete.
9343         (unsafe_for_reeval): Ditto.
9344         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
9345         * tree.def (UNSAVE_EXPR): Delete.
9346         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
9347
9348 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
9349
9350         * tree.h (enum tls_model): Move ...
9351         * coretypes.h: ... here.
9352
9353 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
9354
9355         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
9356
9357 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
9358
9359         * cse.c (validate_canon_reg): New function, split out from...
9360         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
9361
9362 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9363
9364         * tree-ssa-alias.c (maybe_create_global_var): Don't just
9365         return if .GLOBAL_VAR has been created.
9366
9367 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9368
9369         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
9370         every variable that may have aliases, not just tags.
9371
9372 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
9373
9374         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
9375         move_from_CR_eq_bit.
9376         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
9377
9378
9379         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
9380         e500_flip_eq_bit.
9381
9382         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
9383         output_e500_flip_eq_bit.
9384
9385         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
9386         output_e500_flip_eq_bit.
9387         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
9388         output_e500_flip_eq_bit.
9389         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
9390         (print_operand): case D.  Get to EQ bit.
9391
9392 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
9393
9394         * gcov.c (function_summary): Add missing \n.
9395
9396 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9397
9398         Introduce sh4a support.
9399         * config.gcc: Handle sh4a multilibs and cpu selection.
9400         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
9401         * config/sh/t-mlib-sh4a: New.
9402         * config/sh/t-mlib-sh4al: New.
9403         * config/sh/t-mlib-sh4a-nofpu: New.
9404         * config/sh/t-mlib-sh4a-single: New.
9405         * config/sh/t-mlib-sh4a-single-only: New.
9406         2004-02-20  DJ Delorie  <dj@redhat.com>
9407         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
9408         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
9409         2003-08-22  Eric Christopher  <echristo@redhat.com>
9410         * config/sh/sh4a.md: Update for chip errata.
9411         2003-08-07  Eric Christopher  <echristo@redhat.com>
9412         * config/sh/sh4a.md: New file. sh4a processor description.
9413         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
9414         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
9415         of -m4a-nofpu.
9416         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
9417         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
9418         * doc/invoke.texi (SH Options): Document -m4al.
9419         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
9420         * config/sh/sh.c (expand_block_move): Remove commented-out code
9421         checked in by mistake.
9422         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
9423         single elements from SFmode vectors.
9424         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
9425         register.
9426         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
9427         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
9428         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
9429         sh_fsca_int2sf): Remove variable declarations.
9430         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
9431         sh_fsca_int2sf): New functions.
9432         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
9433         sh_fsca_int2sf_rtx): New static variables.
9434         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
9435         sh_fsca_int2sf): Declare.
9436         * config/sh/sh.md: Adjust.
9437         * doc/invoke.texi (SH Options): Document new options.
9438         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
9439         compatibility from SH4 code.
9440         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
9441         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
9442         early.
9443         (memory_movsrc_operand): Renamed to...
9444         (unaligned_load_operand): ... this.  Simplified.
9445         * config/sh/sh.h (PREDICATE_CODES): Adjust.
9446         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
9447         input operand to SImode, and adjust the others.  Introduce
9448         post-increment by peephole.
9449         * config/sh/sh.c (expand_block_move): Give the target address the
9450         same mode as the temp reg.
9451         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
9452         copying.
9453         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
9454         Introduce support for SH4a.
9455         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
9456         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
9457         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
9458         sh_fsca_int2sf): New.
9459         (sh_init_builtins): Initialize them.
9460         (print_operand): Support `d'.
9461         (expand_block_move): Use movua if src is misaligned.
9462         (memory_movsrc_operand): New.
9463         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
9464         and one of the SH4 macros.
9465         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
9466         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
9467         SELECT_SH4A_SINGLE): New.
9468         (TARGET_NONE): Add SH4A_BIT.
9469         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
9470         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
9471         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
9472         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
9473         (enum processor_type): Added PROCESSOR_SH4A.
9474         (PREDICATE_CODES): Add memory_movsrc_operand.
9475         * config/sh/sh.md: Removed unused variables.
9476         (attr cpu): Add sh4a.
9477         (attr type): Add movua, fsrra and fsca.
9478         (prefetch): New, for SH4.
9479         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
9480         (toggle_sz): Set type to fp.
9481         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
9482         (movua, extv, extzv): New.
9483         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
9484         and 4a-single-only.
9485
9486 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9487
9488         * tree-optimize.c (init_tree_optimization_passes): Schedule
9489         pass_may_alias right after the program is renamed into SSA.
9490         * tree-pass.h (PROP_alias): Define.
9491         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
9492         * tree-sra.c (pass_sra): Likewise.
9493         * tree-ssa-ccp.c (pass_ccp): Likewise.
9494         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
9495         * tree-ssa-dce.c (pass_dce): Likewise.
9496         * tree-ssa-dom.c (pass_dominator): Likewise.
9497         * tree-ssa-dse.c (pass_dse): Likewise.
9498         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9499         * tree-ssa-loop-ch.c (pass_ch): Likewise.
9500         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
9501         * tree-ssa-pre.c (pass_pre): Likewise.
9502         * tree-tailcall.c (pass_tail_recursion): Likewise.
9503         * tree-ssa.c (pass_redundant_phi): Likewise.
9504         * tree-ssa-alias.c (aliases_computed_p): Remove.
9505         Update all users.
9506         (init_alias_info): Do not mark all type tags for renaming
9507         unconditionally.
9508         Clear may_aliases from every symbol.
9509         (setup_pointers_and_addressables): If a pointer has not been
9510         dereferenced and it had a type tag, clear it and mark the old
9511         tag for renaming.
9512
9513 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9514
9515         PR tree-optimization/16705
9516         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
9517         .GLOBAL_VAR.
9518
9519 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9520
9521         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
9522         check.
9523
9524         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
9525         don't make another one.
9526
9527         PR optimization/15077
9528         * function.h (struct function): Add field saved_static_chain_decl.
9529         Fix comment for static_chain_decl.
9530         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
9531         * tree-inline.h (save_body): Add new arg.
9532         * tree-optimize.c (tree_rest_of_compilation): Handle saving
9533         static_chain_decl.
9534
9535 2004-07-27  Richard Henderson  <rth@redhat.com>
9536
9537         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
9538         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
9539         is_gimple_addressable.
9540         * tree-gimple.c (is_gimple_addressable): Rename from
9541         is_gimple_addr_expr_arg; accept INDIRECT_REF.
9542         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
9543         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
9544         rename to is_gimple_addressable.
9545
9546 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
9547
9548         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
9549
9550 2004-07-27  Richard Henderson  <rth@redhat.com>
9551
9552         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
9553         before rounding.
9554
9555 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
9556
9557         * libgcc2.c: Change all conditionals testing
9558         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
9559         * libgcc2.h: Likewise.
9560         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
9561         TYPE_PRECISION of float80_type to 80.
9562         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
9563         of fpreg_type and float80_type to 80.
9564         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
9565         * config/m68k/netbsd-elf.h:
9566         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
9567         to evaluate to 80 whenever they would formerly have evaluated to 96.
9568         * config/i386/sco5.h: Remove unnecessary redefinition of
9569         LONG_DOUBLE_TYPE_SIZE.
9570         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
9571         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
9572         XFmode, with a bitsize of 80.  Update commentary.
9573         * config/ia64/ia64-modes.def: Likewise.
9574         * config/m68k/m68k-modes.def: Likewise.
9575
9576 2004-07-27  Steven Bosscher  <stevenb@suse.de>
9577
9578         * cfgexpand.c (tree_expand_cfg): Fix comment.
9579
9580         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
9581         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
9582         Remove.
9583         (prepare_function_start): Don't set rtx_equal_function_value_matters.
9584         * integrate.c (copy_rtx_and_substitute): Don't test for it.
9585         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
9586         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
9587         here again.  Update leading comment.
9588         * rtl.c (rtx_equal_function_value_matters): Remove.
9589         (rtx_equal_p): Don't test for it.
9590         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
9591         Likewise.
9592
9593         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
9594         * rtl.c (note_insn_name): Likewise.
9595         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
9596         * final.c (final_scan_insn): Likewise.
9597
9598         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
9599         * passes.c (rest_of_handle_eh): Do it here.
9600
9601         * stmt.c (struct nesting): Remove struct nesting block member.
9602         (struct stmt_status): Remove x_block_start_count field.
9603         (current_block_start_count): Remove.
9604
9605 2004-07-27  Brian Booth  <bbooth@redhat.com>
9606
9607         * tree-optimize.c (register_one_dump_file): Update condition that uses
9608         static_pass_number.
9609         (dup_pass_1): Replace with...
9610         (next_pass_1): This.
9611         (NEXT_PASS): Call next_pass_1.
9612         (DUP_PASS): Remove.
9613         (init_tree_optimization_passes): Remove uses of DUP_PASS.
9614         (execute_one_pass): Update condition that uses
9615         static_pass_number.
9616         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
9617         integer.
9618
9619 2004-07-27  Nick Clifton  <nickc@redhat.com>
9620
9621         * config/m32r/m32r.c: Include integrate.h in order to get the
9622         prototype for get_hard_reg_initial_val().
9623
9624         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
9625         and tidy up indentation.
9626         (final_presence_set): Use absence_set instead, so that if there is
9627         nothing in the "o" pipe the "s" pipe can be scheduled.
9628
9629 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
9630
9631         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
9632         don't have PT_VARS nor PT_MALLOC set.
9633         Clear name tag from pointers that have not been dereferenced.
9634         (set_pt_anything, set_pt_malloc): Forward declare.
9635         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
9636         not type compatibility when determining if a pointer can be
9637         copy propagated.
9638
9639 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
9640
9641         * expr.h (canonicalize_condition, get_condition): Add an int argument.
9642         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
9643         it to check whether the condition is still valid at the jump insn.
9644         * ifcvt.c (noce_get_condition): Likewise.
9645         (noce_get_alt_condition): Update call to canonicalize_condition.
9646         * loop-iv.c (simplify_using_initial_values): Update call to
9647         get_condition.  Remove FIXME.
9648         (check_simple_exit): Update call to get_condition.
9649         * loop-unswitch.c (may_unswitch_on): Likewise.
9650         * loop.c (check_dbra_loop): Likewise.
9651         (canonicalize_condition, get_condition): Add an argument to say whether
9652         the condition must still be valid at INSN.
9653         (get_condition_for_loop): Update call to get_condition.  Require that
9654         the condition be valid at INSN.
9655         * predict.c (estimate_probability): Update call to get_condition.
9656         Remove unused earliest parameter.
9657         (expected_value_to_br_prob): Update call to canonicalize_condition.
9658
9659 2004-07-26  Eric Christopher  <echristo@redhat.com>
9660
9661         * tree-dfa.c (add_referenced_var): Register initializers of global
9662         variables.
9663
9664 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
9665
9666         * config/i386/i386.c (function_arg): Always treat 8-
9667         and 16-byte wide vectors the same, even if MMX/SSE
9668         are disabled.
9669         (contains_128bit_aligned_vector_p): Add comment.
9670
9671 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
9672
9673         * ra.h (enum node_type): Rename to:
9674         (enum ra_node_type).
9675         * ra-colorize.c: Likewise.
9676
9677 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
9678
9679         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
9680         after simplifying the jump.
9681
9682 2004-06-26  Richard Henderson  <rth@redhat.com>
9683
9684         * calls.c (combine_pending_stack_adjustment_and_call): Make
9685         preferred_unit_stack_boundary argument unsigned.  Make
9686         unadjusted_alignment unsigned.
9687         (expand_call): Make preferred_stack_boundary and
9688         preferred_unit_stack_boundary variables unsigned.
9689         * function.c (assign_stack_local_1): Make alignment unsigned.
9690         * function.h (struct function): Make stack_alignment_needed,
9691         preferred_stack_boundary unsigned.
9692         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
9693         (ix86_compute_frame_layout): Make stack_alignment_needed,
9694         preferred_alignment variables unsigned.
9695         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
9696
9697 2004-07-26  Tom Tromey  <tromey@redhat.com>
9698
9699         * tree.h: Fix typo in comment.
9700
9701 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
9702
9703         PR bootstrap/12804
9704         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
9705         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
9706         (ggc_free): Remove incorrect freeing.
9707         (sweep_pages): Advance PP for large pages.  Fix indentation.
9708
9709 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
9710
9711         PR rtl-optimization/16643
9712         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
9713         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
9714         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
9715         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
9716         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
9717         * function.c (thread_prologue_and_epilogue_insns): Likewise.
9718         * rtl.h (tracer): Add a flags parameter.
9719         * tracer.c (tracer): Pass it to cfg_layout_initialise.
9720         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
9721         (rest_of_handle_reorder_blocks): Update calls to tracer and
9722         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
9723         (rest_of_handle_tracer): Pass 0 to tracer.
9724         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
9725
9726 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
9727
9728         PR target/16239
9729         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
9730         f->f.
9731
9732 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
9733
9734         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
9735         (BINFO_BASE_ACCESS): Adjust.
9736         (BINFO_BASE_ACCESS_APPEND): New.
9737         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
9738         * dbxout.c (dbxout_type): Adjust binfo access accessing.
9739         * dwarf2out.c (gen_member_die): Likewise.
9740         * tree-dump.c (deque_and_dump): Likewise.
9741
9742 2004-07-26  Falk Hueffner  <falk@debian.org>
9743
9744         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
9745         costs.
9746
9747 2004-07-25  Roger Sayle  <roger@eyesopen.com>
9748
9749         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
9750         value off of the stack if TARGET_USE_FFREEP.
9751
9752 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
9753
9754         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
9755         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
9756         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
9757         check on invocation of XRESIZEVEC ().
9758
9759 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
9760
9761         * c-common.c (disable_builtin_function): Rename variable n to
9762         new_disabled_builtin.
9763         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
9764         Rename local variable old to old_decl.
9765         * gensupport.c (shift_output_template): Rename parameter old to src.
9766         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
9767         old_rtx and newx to new_rtx.
9768
9769 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
9770
9771         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
9772         of c-pragma.h.
9773         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
9774         enum cpp_ttype.
9775         * c-lex.c: Likewise.
9776
9777 2004-07-25  Roger Sayle  <roger@eyesopen.com>
9778
9779         * fold-const.c (constant_boolean_node): Make extern.
9780         (make_range): Wrap long lines.
9781         (fold_cond_expr_with_comparison): Remove unnecessary call to
9782         pedantic_non_lvalue.  Add missing calls to fold_convert.
9783         (fold_truthop): Add missing calls to fold_convert.
9784         (fold): Likewise.
9785         * tree.h (constant_boolean_node): Add prototype here.
9786         * builtins.c (expand_builtin_strncmp): Add missing calls to
9787         fold_convert.
9788         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
9789         Call fold_convert and constant_boolean_node to correct types.
9790         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
9791         missing call to fold_convert to correct types.
9792
9793 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
9794             Brian Ryner  <bryner@brianryner.com>
9795
9796         PR c++/9283
9797         PR c++/15000
9798         * c-common.c (c_common_attribute_table): Allow
9799         handle_visibility_attribute to be called for types.
9800         (handle_visibility_attribute) When given a type, set the visibility
9801         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
9802         so that we can check later whether the attribute was present. Added
9803         warning if attribute applied to non class type.
9804         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
9805         decls and checking that they are consistent.
9806         * common.opt: Added -fvisibility.
9807         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
9808         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
9809         * flags.h, tree.h: Added assorted support defines for overall patch
9810         * opts.c: Added parsing support for -fvisibility.
9811         * tree.c (build_decl): Set visibility for all decls to be whatever
9812         is in force at that time.
9813         * varasm.c (default_binds_local_p_1): Reworked logic determining
9814         when to make a symbol locally bound.
9815         * doc/invoke.texi: Added documentation for -fvisibility and
9816         -fvisibility-inlines-hidden.
9817
9818 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9819
9820         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
9821         * c-common.c: Add missing casts from void * to other types.
9822         * c-decl.c: Likewise.
9823         * c-format.c: Likewise.
9824         * c-lex.c: Likewise.
9825         * c-pragma.c: Likewise.
9826         * c-typeck.c: Likewise.
9827         * defaults.h: Likewise.
9828         * genconstants.c: Likewise.
9829         * gengtype-lex.l: Likewise.
9830         * genmodes.c: Likewise.
9831         * read-rtl.c: Likewise.
9832         * rtl.c: Likewise.
9833
9834 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9835
9836         * bitmap.c: Use type-safe memory allocation macros from libiberty.
9837         * c-common.c: Likewise.
9838         * c-decl.c: Likewise.
9839         * c-lang.c: Likewise.
9840         * c-lex.c: Likewise.
9841         * c-opts.c: Likewise.
9842         * c-parse.in: Likewise.
9843         * c-typeck.c: Likewise.
9844         * genconditions.c: Likewise.
9845         * gengtype-lex.l: Likewise.
9846         * gengtype-yacc.y: Likewise.
9847         * gengtype.c: Likewise.
9848         * genmodes.c: Likewise.
9849         * gensupport.c: Likewise.
9850         * read-rtl.c: Likewise.
9851         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
9852         htab_find_slot().
9853
9854 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9855
9856         * c-decl.c (groktypename, groktypename_in_param_context): Rename
9857         variable typename to type_name.
9858         * c-lex.c (interpret_float): Likewise.
9859
9860 2004-07-25  Roger Sayle  <roger@eyesopen.com>
9861
9862         * convert.c (convert_to_real, convert_to_integer,
9863         convert_to_complex): Replace calls to build with calls to buildN.
9864         * coverage.c (tree_coverage_counter_ref): Likewise.
9865         * dojump.c (do_jump): Likewise.
9866         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
9867         * emit-rtl.c (component_ref_for_mem_expr,
9868         set_mem_attributes_minus_bitpos): Likewise.
9869         * explow.c (update_nonlocal_goto_save_area): Likewise.
9870         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
9871         expand_mult_add): Likewise.
9872         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
9873         store_constructor, get_inner_reference, expand_expr_real_1,
9874         try_casesi, try_tablejump): Likewise.
9875         * function.c (expand_function_start): Likewise.
9876         * stmt.c (emit_case_bit_tests, expand_end_case_type,
9877         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
9878         * stor-layout.c (place_union_field, layout_type): Likewise.
9879         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
9880         * varasm.c (copy_constant): Likewise.
9881
9882 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9883
9884         * c-common.c: Rename all identifiers named `new'.
9885         * c-decl.c: Likewise.
9886         * gensupport.c: Likewise.
9887         * simplify-rtx.c: Likewise.
9888         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
9889         with XNEW().
9890         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
9891         with XNEWVEC().
9892
9893 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
9894
9895         PR c/15360
9896         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
9897         declarations until after calling pushdecl.
9898         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
9899         "extern" and not on whether the declaration is initialized.
9900
9901 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
9902
9903         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
9904         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
9905         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
9906         "cpplib.h", "c-pragma.h", "c-common.h".
9907         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
9908         (solaris_register_pragmas): New functions.
9909         * config/sol2-protos.h: New file.
9910         * config/sol2.c: New file.
9911         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
9912         (REGISTER_TARGET_PRAGMAS): New macros.
9913         (solaris_pending_aligns, solaris_pending_inits)
9914         (solaris_pending_finis): New variables.
9915         * config/t-sol2 (sol2-c.o): Update dependencies.
9916         (sol2.o): New rule.
9917         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
9918         SUBTARGET_INSERT_ATTRIBUTES.
9919         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
9920         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
9921         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
9922         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
9923         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
9924         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
9925         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
9926         * config/sparc/sparc.c (sparc_attribute_table): New.
9927         (TARGET_INSERT_ATTRIBUTES): Define in terms of
9928         SUBTARGET_INSERT_ATTRIBUTES.
9929         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
9930         is defined.
9931         * doc/extend.texi (Solaris Pragmas): New section.
9932
9933 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9934
9935         * c-common.c: Rename all identifiers named `class' to `cl'.
9936         * c-common.h: Likewise.
9937         * c-parse.in: Likewise.
9938         * c-typeck.c: Likewise.
9939         * genmodes.c: Likewise.
9940         * real.c: Likewise.
9941         * real.h: Likewise.
9942         * recog.c: Likewise.
9943         * recog.h: Likewise.
9944         * regrename.c: Likewise.
9945         * tree.h: Likewise.
9946         * c-common.c (builtin_function_2): Change type of 5th parameter from
9947         int to enum built_in_function. Change type of 8th parameter from int
9948         to bool.
9949         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
9950         with GGC_CNEW().
9951         * c-typeck.c (convert_arguments): Change type of formal_prec from
9952         int to unsigned int.
9953         * genmodes.c (blank_mode): Make a few negative constants unsigned.
9954         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
9955         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
9956         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
9957         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
9958         iterator to for_all_modes () instead of an enum because enums can't
9959         be incremented in C++.
9960
9961
9962 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
9963
9964         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
9965         hard registers.
9966
9967 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9968
9969         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
9970         Handle ARRAY_RANGE_REF like ARRAY_REF.
9971
9972 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
9973
9974         * c-typeck.c (digest_init): Don't allow arrays of signed or
9975         unsigned variants of wchar_t to be initialized by wide string
9976         constants.  Do allow arrays of enumerated types compatible with
9977         wchar_t to be initialized by wide string constants.  Refine tests
9978         distinguishing wide and narrow strings and arrays.  Give specific
9979         error for arrays of other integer types initialized by string
9980         constants.
9981         (output_init_element, process_init_element): Check for
9982         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
9983         initializing with string constants.
9984
9985 2004-07-25  Richard Henderson  <rth@redhat.com>
9986
9987         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
9988         on the RESULT_DECL.
9989         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
9990         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
9991         DECL_IGNORED_P to new decl.
9992
9993 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
9994
9995         * config/ia64/ia64.c (general_xfmode_operand)
9996         (destination_xfmode_operand): Delete.
9997         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
9998         * config/ia64/ia64.md (*movxf_internal): Use general_operand
9999         and destination_operand.
10000
10001 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
10002
10003         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
10004         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
10005
10006 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
10007             Zack Weinberg  <zack@codesourcery.com
10008
10009         PR 16684
10010         * c-decl.c (diagnose_mismatched_decls): Don't issue a
10011         redundant-declaration warning the first time a builtin is
10012         declared explicitly.
10013
10014 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10015
10016         * tree.h (staticp): Change return type to bool.
10017
10018 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10019
10020         * c-common.c (c_staticp): Last episode of the staticp saga.
10021
10022 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10023
10024         * c-common.h (c_staticp): Change return type from int to bool.
10025         * tree.c (staticp): Likewise.
10026         * langhooks.h (staticp): Likewise.
10027
10028 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10029
10030         * langhooks-def.h (lhd_staticp): Change return type from int to
10031         bool in prototype to match definition.
10032
10033 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10034
10035         * system.h (bool, true, false): Don't redefine as preprocessor macros
10036         in C++.
10037
10038 2004-07-24  Roger Sayle  <roger@eyesopen.com>
10039
10040         * expmed.c (init_expmed): A signed modulus by a power of two is
10041         considered cheap if its less than or equal to four instructions.
10042
10043 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10044
10045         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
10046         GGC_CNEWVAR): New macros.
10047
10048 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10049
10050         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
10051         lists.
10052         * c-decl.c: Likewise.
10053         * c-format.c: Likewise.
10054         * c-lex.c: Likewise.
10055         * c-opts.c: Likewise.
10056         * c-pragma.c: Likewise.
10057         * c-typeck.c: Likewise.
10058         * gencheck.c: Likewise.
10059         * genconditions.c: Likewise.
10060         * genconfig.c: Likewise.
10061         * genflags.c: Likewise.
10062         * gengtype.c: Likewise.
10063         * gensupport.c: Likewise.
10064         * ggc-none.c: Likewise.
10065         * langhooks.c: Likewise.
10066         * statistics.h: Likewise.
10067         * stub-objc.c: Likewise.
10068         * java/decl.c: Likewise.
10069
10070 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
10071
10072         * config/m68k/m68k.c (output_scc_di): Fix coding style.
10073         (symbolic_operand): Fix prototype.
10074         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
10075         * config/m68k/m68k.md: Add constants for registers a0 and sp and
10076         use them, change from the "{...}" syntax to the simpler {...}
10077         syntax.
10078         (*cfv4_extendqisi2): Fix destination predicate.
10079         * config/m68k/m68k-protos.h: Remove various declarations also
10080         generated via PREDICATE_CODES.
10081
10082 2004-07-23  Mike Stump  <mrs@apple.com>
10083
10084         * c-typeck.c (convert_for_assignment): Tightened up pointer
10085         converstions that differ in signedness.
10086
10087 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
10088
10089         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
10090
10091 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10092
10093         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
10094         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
10095
10096         * gimplify.c (gimplify_compound_lval): Check for no handled
10097         operations, rather than checking for explicit list of nodes.
10098         (is_gimple_addr_expr_arg_or_indirect): New function.
10099         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
10100         redundant setting of TREE_INVARIANT.
10101         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
10102         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
10103
10104 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
10105
10106         PR tree-optimization/16688
10107         PR tree-optimization/16689
10108         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
10109         unnecessary initialization of 'tag'.
10110         (get_tmt_for): Check that the new type tag has the same alias
10111         set as the pointed-to type.
10112         (group_aliases): Only regular variables need to be removed
10113         from the alias set of a name tag.
10114         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
10115         propagation if the two types are not compatible.
10116         (merge_alias_info): Rename from replace_ssa_names_ann.
10117         Add more checking.
10118         (replace_exp_1): If both arguments are SSA_NAMEs, check that
10119         the propagation can be done.
10120         Only call merge_alias_info on pointers.
10121         (propagate_value): Likewise.
10122         * tree-ssa-copyrename.c: Include langhooks.h.
10123         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
10124         to do the merging.
10125         Do not coalesce variables with incompatible types.
10126         (rename_ssa_copies): Call replace_ssa_name_symbol.
10127         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
10128         the same type as the underlying _DECL.
10129         * tree-ssanames.c (replace_ssa_name_symbol): New function.
10130         * tree.h (replace_ssa_name_symbol): Declare.
10131
10132 2004-07-23  Richard Henderson  <rth@redhat.com>
10133
10134         PR c++/16277
10135         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
10136         unshare it properly.
10137         (gimplify_modify_expr_rhs): Push assignment from a conditional into
10138         the conditional for all non-register types.
10139
10140 2004-07-23  Richard Henderson  <rth@redhat.com>
10141
10142         * expr.c (expand_expr_real_1): Don't handle non-local variables.
10143         * expr.h (fix_lexical_addr): Remove.
10144         * function.c (NEED_SEPARATE_AP): Remove.
10145         (fix_lexical_addr): Remove.
10146         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
10147         not null decl_function_context.
10148         (create_alias_vars): Likewise.
10149         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
10150         (simple_goto_p): Likewise.
10151         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
10152         * tree-ssa-ccp.c (get_default_value): Likewise.
10153         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
10154         * tree.c (needs_to_live_in_memory): Likewise.
10155         * tree-flow-inline.h (may_be_aliased): Move...
10156         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
10157         when TREE_STATIC variables may be addressable.
10158
10159 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
10160
10161         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
10162
10163 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
10164
10165         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
10166         bitmap contents if GENERATOR_FILE is defined.
10167         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
10168         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
10169
10170 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
10171
10172         * c-decl.c (start_function): Form composite type of function types
10173         rather than copying type from previous prototype declaration.
10174
10175 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
10176
10177         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
10178         the const qualifier for the second argument in the C++ functions.
10179
10180         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
10181         specific pointer types.
10182
10183         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
10184         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
10185         for vector bool and/or vector pixel, add C++ and C missing support.
10186         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
10187         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
10188         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
10189         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
10190         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
10191         missing C++ and C support for vector bool and/or vector pixel.
10192         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
10193         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
10194         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
10195         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
10196         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
10197         C++ and C types used for vector bool and/or vector pixel.
10198         (vec_st, vec_stl): Add C++ support for vector pixel.
10199         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
10200         (vec_all_ne): Add C++ support for vector pixel.
10201
10202         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
10203         (vec_vmulesb): Add missing C++ function.
10204         (vec_perm): Fix type of third argument in C++ function.
10205         (vec_vsum4shs): Fix C++ function name.
10206         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
10207         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
10208         argument passed to the error handler in C macro.
10209         (vec_nmsub): Remove extra parens around argument names in C macro.
10210         (vec_packpx): Add missing parens in C macro.
10211
10212 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
10213
10214         * machmode.def: Remove vector modes.
10215         * config/alpha/alpha-modes.def: Add supported vector modes.
10216         * config/arm/arm-modes.def: Likewise.
10217         * config/frv/frv-modes.def: Likewise.
10218         * config/i386/i386-modes.def: Likewise.
10219         * config/rs6000/rs6000-modes.def: Likewise.
10220         * config/sh/sh-modes.def: Likewise.
10221
10222 2004-07-23  Matthias Klose  <doko@debian.org>
10223
10224         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
10225         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
10226         * config.h: Regenerate.
10227         * configure: Likewise.
10228
10229 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
10230
10231         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
10232         generated SYMBOL_REFs for labels.
10233         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
10234         Change prototype.
10235         (machopic_stub_name): Remove.
10236         (machopic_indirection_name): New function.
10237         (machopic_mcount_stub_name): Likewise.
10238         (machopic_classify_name): Remove.
10239         (machopic_function_base_sym): New function.
10240         (machpoic_classify_symbol): Likewise.
10241         (machopic_classify_ident): Remove.
10242         (machopic_define_ident): Likewise.
10243         (machopic_define_name): Likewise.
10244         (machopic_name_defined_p): Likewise.
10245         (machopic_ident_defined_p): Likewise.
10246         (darwin_strip_name_encoding): Likewise.
10247         (machopic_define_symbol): New function.
10248         * config/darwin.c (hashtab.h): Include.
10249         (machopic_defined_list): Remove.
10250         (machopic_classify_ident): Likewise.
10251         (machopic_classify_name): Likewise.
10252         (machopic_ident_defined_p): Likewise.
10253         (machopic_define_ident): Likewise.
10254         (machopic_define_name): Likewise.
10255         (machopic_symbol_defined_p): New function.
10256         (machopic_classify_symbol): Likewise.
10257         (machopic_data_defined_p): Use machopic_classify_symbol.
10258         (machopic_define_symbol): New function.
10259         (machopic_function_base_sym): New function.
10260         (machopic_non_lazy_pointers): Remove.
10261         (machopic_non_lazy_ptr_name): Likewise.
10262         (machopic_stubs): Likewise.
10263         (machopic_stub_name): Likewise.
10264         (NON_LAZY_POINTER_SUFFIX): New macro.
10265         (STUB_SUFFIX): Likewise.
10266         (machopic_indirection): New structure.
10267         (machopic_indirections): New variable.
10268         (machopic_indirection_hash): New function.
10269         (machopic_indirection_eq): Likewise.
10270         (machopic_indirection_name): Likewise.
10271         (machopic_mcount_stub_name): New function.
10272         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
10273         hash table.
10274         (machopic_indirect_data_reference): Rework to use new functions.
10275         (machopic_indirect_call_target): Likewise.
10276         (machopic_legitimize_pic_address): Likewise.
10277         (machopic_output_indirection): New function.
10278         (machopic_finish): Use it.
10279         (machopic_operand_p): Rework to use new functions.
10280         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
10281         (darwin_strip_name_encoding): Remove.
10282         (update_non_lazy_ptrs): Remove.
10283         (update_stubs): Likewise.
10284         (darwin_non_lazy_pcrel): Use new functions.
10285         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
10286         (ASM_OUTPUT_LABELREF): Likewise.
10287         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10288         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
10289         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
10290         (TARGET_STRIP_NAME_ENCODING): Do not use
10291         darwin_strip_name_encoding.
10292         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
10293         darwin_strip_name_encoding.
10294         * config/i386/darwin.h (FUNCTION_PROFILER): Use
10295         machopic_mcount_stub_name.
10296         * config/i386/i386.c (x86_output_mi_thunk): Use
10297         machopic_indirection_name, not machopic_stub_name.
10298         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
10299         machopic_function_base_sym.
10300         (print_operand): Use machopic_classify_symbol.
10301         (rs6000_emit_prologue): Use machopic_function_base_sym.
10302         (output_profile_hook): Do not use machopic_stub_name.
10303         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
10304
10305 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10306
10307         PR c/7284
10308         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
10309         as multiplication.
10310
10311 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10312
10313         * doc/implement-c.texi: New file.
10314         * doc/extend.texi (C Implementation): Move to there.
10315         * doc/gcc.texi: Include implement-c.texi.
10316         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
10317
10318 2004-07-22  Jason Merrill  <jason@redhat.com>
10319
10320         * integrate.c (copy_decl_for_inlining): Remove invisible reference
10321         handling.
10322         * tree-inline.c (setup_one_parameter): Likewise.
10323
10324 2004-07-22  Brian Booth  <bbooth@redhat.com>
10325
10326         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
10327         (substitute_and_fold): Propigate into VUSE operands when possible.
10328         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
10329         (cp_lattice_meet): Handle merging of latticevalues when
10330         UNKNOWN_VAL is present.
10331         (visit_stmt): Visit assignments with V_MUST_DEFs.
10332         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
10333         (ccp_fold): Deal with RHS' that are constant and virtual.
10334         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
10335         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
10336         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
10337         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
10338         computing immediate uses.
10339         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
10340         transition.
10341         (replace_vuse_in): New function.
10342         (likely_value): Add check of vuse operands.
10343         (get_default_value): Set the default value of virtually defined
10344         variables to UKNOWN_VAL instead of VARYING.
10345
10346 2004-07-22  Richard Henderson  <rth@redhat.com>
10347
10348         * expr.c (emit_push_insn): Don't use set_mem_attributes.
10349
10350 2004-07-22  Richard Henderson  <rth@redhat.com>
10351
10352         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
10353         variables due to conditional compilation.
10354
10355 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
10356
10357         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
10358         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
10359         Release SSA names that have been re-renamed.
10360         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
10361         variable.
10362         * tree-ssa-alias.c (init_alias_info): If aliases have been
10363         computed before, clear existing alias information.
10364         (create_name_tags): Do no fixup PT_ANYTHING pointers.
10365         If the new name tag for a pointer is different than the one it
10366         had before, mark the old tag for renaming.
10367         (replace_may_alias): New function.
10368         (group_aliases): Call it.
10369         (setup_pointers_and_addressables): Always call get_tmt_for.
10370         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
10371         once.
10372         (set_pt_anything): New local function.
10373         (set_pt_malloc): New local function.
10374         (merge_pointed_to_info): Don't merge pointed-to variables from
10375         the original pointer if the destination is pointing to an
10376         unknown location.
10377         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
10378         (add_pointed_to_var): Do not add a variable to the points-to
10379         set if the pointer is already pointing to anywhere.
10380         (collect_points_to_info_r): If the defining statement is a PHI
10381         node, only merge pointed-to information if the argument has
10382         already been visited.
10383         (get_tmt_for): Only create a new tag if the pointer didn't
10384         have one already.
10385         (dump_alias_info): Emit more information.
10386         (dump_points_to_info_for): Likewise.
10387         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
10388         try to get the annotation of an SSA_NAME.
10389         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
10390         alias sets when checking is enabled.
10391         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
10392         (eliminate): Mark basic blocks that will need
10393         EH information cleaned up.
10394         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
10395         predecessor.
10396         Initialize need_eh_cleanup.
10397         (fini_pre): Call tree_purge_all_dead_eh_edges and
10398         cleanup_tree_cfg if needed.
10399         Free need_eh_cleanup.
10400         * tree-ssa.c (verify_ssa_name): New function.
10401         (verify_def): Call it.
10402         Re-arrange to avoid printing too many error messages.
10403         (verify_use): Likewise.
10404         (verify_phi_args): Likewise.
10405         (verify_flow_insensitive_alias_info): New function.
10406         (verify_flow_sensitive_alias_info): New function.
10407         (verify_alias_info): New function.
10408         (verify_ssa): Call verify_alias_info.
10409         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
10410         program.
10411         Re-arrange to avoid printing too many error messages.
10412         * tree-ssanames.c (make_ssa_name): Clear
10413         SSA_NAME_IN_FREE_LIST.
10414         (release_ssa_name): Never release a default definition.
10415         (release_defs): New function.
10416         * tree.h: Declare it.
10417         * tree-ssa-dce.c (remove_dead_stmt): Call it.
10418
10419 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
10420
10421         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
10422         If true, do a depth-first search.  Do a breadht-first search,
10423         otherwise.
10424         (walk_use_def_chains): Add new argument IS_DFS.
10425         Update all users.
10426         * tree-flow.h (walk_use_def_chains): Update prototype.
10427
10428 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
10429
10430         * config/cris/cris.md: Tweak formatting.
10431         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
10432         (mover2side, moverside, movemside, movei, op3, andu): Replace
10433         live define_peephole:s with define_peephole2 near-equivalents.
10434         Delete the rest.
10435         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
10436         word-size modes.
10437         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
10438         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
10439         "*mov_sidesi_mem" respectively.
10440
10441 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
10442
10443         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
10444         (gimplify_build1): Move from tree-complex.c do_unop.
10445         (gimplify_build2): Move from tree-complex.c do_binop.
10446         (gimplify_build3): New.
10447         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
10448         Adjust throughout to call the functions above.
10449         * tree-flow.h: Declare the functions above.
10450         * tree-nested.c (gimplify_val): Rename to...
10451         (tsi_gimplify_val): ... this.
10452
10453         * Makefile.in (tree_complex.o): Update dependencies.
10454         (stor-layout.o): Depend on regs.h.
10455         * c-common.c (handle_vector_size_attribute): Update for
10456         vector types without corresponding vector modes.
10457         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
10458         a corresponding vector mode is not available.
10459         * print-tree.c (print_node): Print nunits for vector types
10460         * regclass.c (have_regs_of_mode): New.
10461         (init_reg_sets_1): Initialize it and use it instead
10462         of allocatable_regs_of_mode.
10463         * regs.h (have_regs_of_mode): Declare it.
10464         * stor-layout.c (layout_type): Pick a mode for vector types.
10465         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
10466         build_replicated_const, do_unop, do_binop, do_plus_minus,
10467         do_negate, expand_vector_piecewise, expand_vector_parallel,
10468         expand_vector_addition, expand_vector_operations_1,
10469         expand_vector_operations, tree_lower_operations,
10470         pass_lower_vector_ssa, pass_pre_expand): New.
10471         (expand_complex_operations, pass_lower_complex): Remove.
10472         * tree-optimize.c (init_tree_optimization_passes): Adjust
10473         pass ordering for changes in tree-complex.c.
10474         * tree-pass.h: Declare new passes.
10475         * tree.c (finish_vector_type): Remove.
10476         (make_vector_type): New.
10477         (build_vector_type_for_mode, build_vector_type): Rewritten.
10478         * tree.def (VECTOR_TYPE): Document where the number of
10479         subparts is stored.
10480         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
10481         (make_vector): Remove declaration.
10482
10483 2004-07-21  Richard Henderson  <rth@redhat.com>
10484
10485         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
10486         TREE_THIS_VOLATILE, may_aliases, or optimization level.
10487         (remove_useless_vars): Dump debugging info.
10488         (expand_used_vars): Move ...
10489         * cfgexpand.c (expand_used_vars): ... here.  Make static.
10490         * tree-flow-inline.h (set_is_used): New.
10491         (set_default_def): Use get_var_ann.
10492         * tree-flow.h: Update decls.
10493         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
10494         (create_ssa_var_map): Use it.
10495         * tree-ssa.c (set_is_used): Remove.
10496
10497 2004-07-22  Ben Elliston  <bje@au.ibm.com>
10498
10499         * gdbinit.in: Set a breakpoint on internal_error.
10500
10501 2004-07-21  Richard Henderson  <rth@redhat.com>
10502
10503         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
10504         to create a new basic block.
10505
10506 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10507
10508         PR c/15052
10509         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
10510         return type on function definitions.  Move other warnings for
10511         qualified return type to -Wreturn-type.  Do not condition any such
10512         warnings on -pedantic.  Update comments.
10513         (start_function): Only copy function type from previous prototype
10514         declaration if return types are compatible.
10515         * c-typeck.c (function_types_compatible_p): Don't condition
10516         warning for incompatibility of volatile qualifiers on the return
10517         type on -pedantic.  Update comment.
10518         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
10519
10520 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10521
10522         * c-typeck.c (set_init_index): Require designator to be of integer
10523         type.
10524
10525 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10526
10527         PR c/11250
10528         * c-parse.in (init): Change to exprtype.
10529         (primary): Set original_code for STRING to STRING_CST.
10530         Call maybe_warn_string_init for compound literals.
10531         (initdcl, notype_initdcl): Call maybe_warn_string_init.
10532         (initval): Update.
10533         * c-tree.h (maybe_warn_string_init): New.
10534         (pop_init_level, process_init_element): Use struct c_expr.
10535         (struct c_expr): Update comment.
10536         * c-typeck.c (maybe_warn_string_init): New function.
10537         (digest_init): Call it.  Additional parameter strict_string.  All
10538         callers changed.
10539         (output_init_element): Likewise.
10540         (struct constructor_stack): Use struct c_expr for
10541         replacement_value.
10542         (really_start_incremental_init, push_init_level): Update.
10543         (pop_init_level): Update.  Return struct c_expr.
10544         (process_init_level): Update.  Take struct c_expr argument.
10545
10546 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
10547
10548         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
10549         commit.
10550
10551 2004-07-21  Eric Christopher  <echristo@redhat.com>
10552
10553         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
10554         removal.
10555         * c-decl.c (pop_scope): Ditto.
10556         * calls.c (expand_call): Remove call to current_nesting_level,
10557         update comment accordingly. Remove calls to expand_start_target_temps
10558         and expand_end_target_temps.
10559         * cfgexpand.c (construct_init_block): Remove call to
10560         expand_start_bindings_and_block.
10561         (construct_exit_block): Remove call to expand_end_bindings.
10562         * expr.c (safe_from_p): Remove BIND_EXPR handling.
10563         (expand_expr_real_1): Ditto. Fix formatting.
10564         (expand_vars): Delete.
10565         * stmt.c (POPSTACK): Remove block_stack.
10566         (stmt_status): Remove x_block_stack.
10567         (block_stack): Delete.
10568         (expand_start_bindings_and_block): Ditto.
10569         (expand_start_target_temps): Ditto.
10570         (expand_end_target_temps): Ditto.
10571         (current_nesting_level): Ditto.
10572         (warn_about_unused_variables): Ditto.
10573         (expand_end_bindings): Ditto.
10574         * tree.h: Remove declarations for above.
10575
10576 2004-07-21  Steven Bosscher  <stevenb@suse.de>
10577
10578         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
10579         * rtl.c (note_insn_name): Likewise.
10580         * print-rtl.c (print_rtx): Don't print it.
10581         * cfgrtl.h (can_delete_note_p): Don't handle it.
10582         (rtl_delete_block): Likewise.
10583         * passes.c (rest_of_handle_guess_branch_prob): Remove.
10584         (rest_of_compilation): Don't call it.
10585         * predict.c (process_note_predictions, process_note_prediction,
10586         note_prediction_to_br_prob): Remove.
10587         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
10588         * stmt.c (return_prediction): Remove.
10589         (expand_value_return): Don't call it.  Don't add prediction
10590         notes for return statements.
10591
10592 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
10593
10594         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
10595         once.
10596
10597 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
10598
10599         * c-common.c (vector_types_convertible_p): Use vector types'
10600         TYPE_SIZE and TREE_TYPE instead of their mode.
10601         * convert.c (convert_to_integer): Likewise.
10602         (convert_to_vector): Likewise.
10603         * fold-const.c (fold_convert): Likewise.
10604         * varasm.c (output_constant): Likewise.
10605         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
10606         Allow a VECTOR_TYPE initializer to be made of several vectors.
10607         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
10608         of cleared and need_to_clear, and use fold_convert.
10609         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
10610         integer vectors.
10611
10612 2004-07-20  Richard Henderson  <rth@redhat.com>
10613
10614         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
10615         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
10616
10617 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
10618
10619         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
10620         enormous cost if not TARGET_HARD_MUL.
10621
10622 2004-07-20  Andrew Pinski  <apinski@apple.com>
10623
10624         PR target/16557
10625         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
10626         (ASM_SPEC): here.
10627
10628 2004-07-21  Paul brook  <paul@codesourcery.com>
10629
10630         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
10631
10632 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10633
10634         * fold-const.c (operand_equal_p): Temporarily support NULL args.
10635         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
10636         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
10637
10638 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
10639
10640         * rtl.h (plus_constant): Delete.
10641         (plus_constant_wide): Rename to plus_constant.
10642         (plus_constant_for_output_wide): Delete vestigial prototype.
10643         (GEN_INT): Remove unnecessary cast.
10644         * tree.h (build_int_2, size_int_type): Delete.
10645         (build_int_2_wide): Rename to build_int_2.
10646         (size_int_wide): Rename to size_int_kind.
10647         (size_int_type_wide): Rename to size_int_type.
10648         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
10649         Remove unnecessary cast.
10650         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
10651         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
10652         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
10653         (size_int_type_wide): Rename size_int_type.
10654         (int_const_binop): Use size_int_type.
10655         * c-lex.c (interpret_integer): Use build_int_2.
10656         * final.c (split_double): Remove unnecessary casts.
10657         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
10658
10659 2004-07-20  Richard Henderson  <rth@redhat.com>
10660
10661         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
10662         (gimplify_compound_lval): Use is_gimple_tmp_reg.
10663         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
10664         (is_gimple_tmp_reg): New.
10665         * tree-gimple.h (is_gimple_tmp_reg): Declare.
10666
10667 2004-07-20  Richard Henderson  <rth@redhat.com>
10668
10669         * tree-pretty-print.c (dump_generic_node): Dump
10670         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
10671
10672 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
10673
10674         * tree-mudflap.c (mf_set_options_fndecl): New tree.
10675         (mudflap_init): Set it.
10676         (mudflap_register_call): Remove __mf_init call.
10677         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
10678         to pass "-ignore-reads" option to libmudflap if needed.
10679
10680 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
10681
10682         PR c++/14607
10683         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
10684         (MAKE_DECL_ONE_ONLY): Undefine.
10685         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
10686         readonly_data, one_only_data_section, forget_section): New prototypes.
10687         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
10688         functions.
10689         (pa_select_section): Add one-only (COMDAT) support.
10690         * pa.h (struct machine_function): Define.
10691         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
10692         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
10693         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
10694         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
10695         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
10696         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
10697         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
10698         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
10699         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
10700         for EXTRA_SECTION_FUNCTIONS.
10701         * doc/install.texi: Update binutils requirements.
10702
10703 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
10704
10705         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
10706         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
10707         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
10708         size_t.
10709         (struct VEC): Use unsigned for num and alloc.
10710         * vec.c (struct vec_prefix): Likewise.
10711         (vec_o_reserve): Adjust.
10712
10713         * dbxout.c (dbxout_type): Fix printf format.
10714
10715         * tree.h (binfo_member): Remove.
10716         * tree.c (binfo_member): Remove.
10717
10718 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
10719
10720         * tree.h: Include vec.h
10721         (DEF_VEC_P(tree)): New type.
10722         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
10723         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
10724         (BINFO_LANG_SLOT): Remove.
10725         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
10726         (struct tree_binfo): Turn base_binfos into a trailing
10727         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
10728         (binfo_lang_slots): Remove.
10729         * tree.c (binfo_lang_slots): Remove.
10730         (make_tree_binfo_stat): Take a base binfo count, not a
10731         lang slot count.  Adjust.
10732         * Makefile.in (TREE_H): Add vec.h
10733         * alias.c (record_component_aliases): Adjust BINFO access.
10734         * dbxout.c (dbxout_type): Likewise.
10735         * dwarf2out.c (gen_member_die): Likewise.
10736         * sdbout.c (sdbout_one_type): Likewise.
10737         * tree-dump.c (deque_and_dump): Likewise.
10738         * config/i386/i386.c (classify_argument,
10739         contains_128bit_aligned_vector_p): Likewise.
10740         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
10741         * doc/c-tree.texi (Classes): Update BINFO documentation.
10742
10743 2004-07-20  Steven Bosscher  <stevenb@suse.de>
10744
10745         * c-common.h (check_case_value): Remove prototype.
10746         (c_add_case_label): Adjust prototype.
10747         * c-common.c (check_case_value): Make static.
10748         (check_case_bounds): New function.
10749         (c_add_case_label): Use it.  Take new argument orig_type.
10750         * c-typeck.c (struct c_switch): New orig_type field.
10751         (c_start_case): Set it.
10752         (do_case): Pass it to c_add_case_label.
10753         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
10754         cases from here.  Add the labels in reverse order.
10755         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
10756         (add_case_node): Return nothing, don't check for duplicate cases.
10757         Insert new case nodes in a list, not in an AVL tree.
10758         (expand_end_case_type): Don't turn a case tree into a case list.
10759         (case_tree2list): Remove.
10760         * tree.h (add_case_node): Adjust prototype.
10761
10762 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
10763
10764         * genattr.c (struct range, struct function_unit,
10765         write_units, extend_range, init_range): Remove them.
10766         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
10767         Output "#define INSN_SCHEDULING" here.
10768         * genattrtab.c (struct range, struct function_unit_op,
10769         struct function_unit, struct dimension, enum operator,
10770         operate_exp, expand_units, simplify_knowing,
10771         encode_units_mask, simplify_by_exploding,
10772         find_and_mark_used_attributes, unmark_used_attributes,
10773         add_values_to_cover, increment_current_value,
10774         test_for_current_value, simplify_with_current_value,
10775         simplify_with_current_value_aux, gen_unit,
10776         write_unit_name, write_function_unit_info,
10777         write_complex_function, write_toplevel_expr,
10778         find_single_value, extend_range): Remove.
10779         (write_attr_get): Do not handle common_av->value
10780         being an FFS.
10781         (struct attr_desc): Remove func_units_p and blockage_p.
10782         (write_attr_valueq): Do not handle them.
10783         (find_attr): Do not clear them.
10784         (make_internal_attr): Do not initialize them.
10785         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
10786         * sched-vis.c (init_target_units, insn_print_units,
10787         init_block_visualization, print_block_visualization,
10788         visualize_scheduled_insns, visualize_no_unit,
10789         visualize_stall_cycles, visualize_alloc,
10790         visualize_free, target_units, get_visual_tbl_length,
10791         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
10792         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
10793         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
10794         * haifa-sched.c (blockage_range, clear_units,
10795         schedule_unit, actual_hazard, potential_hazard,
10796         insn_unit, unit_last_insn, unit_tick,
10797         actual_hazard_this_instance, potential_hazard,
10798         schedule_unit, max_insn_queue_index_value): Remove.
10799         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
10800         max_insn_queue_index.
10801         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
10802         * doc/md.texi (Processor pipeline description): Remove
10803         references to old pipeline descriptions.
10804         (Automaton pipeline description): Merge with the above.
10805         (Old pipeline description, Comparison of the two descriptions):
10806         Remove.
10807
10808         * bt-load.c (migrate_btr_def): Remove references to
10809         use_pipeline_interface.
10810         * haifa-sched.c (insn_cost, schedule_insn,
10811         schedule_block, advance_one_cycle, sched_init,
10812         queue_to_ready, sched_finish): Likewise.
10813         * modulo-sched.c (sms_schedule, advance_one_cycle,
10814         ps_has_conflicts): Likewise.
10815         * sched-rgn.c (init_ready): Likewise.
10816         (debug_dependencies): Likewise, and remove an "if (1)".
10817         * target.h (use_dfa_pipeline_interface): Remove.
10818         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10819         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10820         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10821         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10822         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10823         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10824         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10825         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10826         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10827         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10828         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10829         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10830         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10831         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10832         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10833         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10834         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10835         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10836         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10837
10838 2004-07-19  Roger Sayle  <roger@eyesopen.com>
10839
10840         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
10841
10842 2004-07-19  Jeff Law  <law@redhat.com>
10843
10844         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
10845         (get_eq_expr_value): Use it.  Simplify slightly.
10846
10847 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
10848
10849         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
10850         (umulsidi3_32bit_r4000): Likewise.
10851
10852 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
10853
10854         * vec.h: Propagate location information properly.
10855         (VEC_T_iterate): Add result pointer parameter.
10856         (VEC_T_space): New.
10857         (VEC_T_reserve): Use it.
10858
10859 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
10860
10861         * Makefile.in (c-format.o): Depend on c-format.h.
10862         * c-format.h: New file.
10863         (struct format_char_info): Add CHAIN member.
10864         * c-format.c: Move some types and constants to c-format.h.
10865         (format_type_error): Set to -1.
10866         (struct function_format_info): Use an int for format_type.
10867         (decode_format_type): Return an int.  Return format_type_error
10868         on error.
10869         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
10870         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
10871         (scan_char_table, time_char_table, monetary_char_table): Initialize
10872         CHAIN to NULL.
10873         (n_format_types): New variable.
10874         (check_format_info_main): Handle CHAIN in format_char_info.
10875         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
10876         TARGET_N_FORMAT_TYPES.
10877         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
10878         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
10879         * config/sol2-c.c: New file.
10880         * config/t-sol2: New file.
10881         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
10882         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
10883         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
10884
10885         * doc/extend.texi (Target Format Checks): New section.
10886         (Function Attributes): Mention it.
10887         * doc/invoke.texi: Mention target format checks.
10888         * doc/sourcebuild.texi: Mention target format checks.
10889         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
10890         TARGET_FORMAT_TYPES.
10891
10892 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
10893
10894         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
10895         added.
10896         * config/s390/s390.c (regclass_map initializer): Register 35 added to
10897         ADDR_REGS.
10898         (load_multiple_operation, store_multiple_operation): Removed
10899         pointless sanity check.
10900         (s390_decompose_address): Added check for return_address_pointer_rtx.
10901         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
10902         (s390_return_address_offset): New function.
10903         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
10904         (FRAME_REGNO_P): Added check for register 35.
10905         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
10906         REG_ALLOC_ORDER): Appended entry for register 35.
10907         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
10908         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
10909         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
10910         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
10911         is eliminable using stack pointer or hard frame pointer.
10912         (REGISTER_NAMES): Added name for register 35.
10913         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
10914         pointless sanity check.
10915
10916 2004-07-19  Roger Sayle  <roger@eyesopen.com>
10917
10918         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
10919         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
10920         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
10921         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
10922         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
10923         (fold_relational_const): Tidy up handling of floating point
10924         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
10925         transformation; fold_relational_const assumes constant operands.
10926
10927 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
10928
10929         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
10930         directory.
10931
10932 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
10933
10934         * c-tree.h (struct c_expr): Define.
10935         (C_SET_EXP_ORIGINAL_CODE): Remove.
10936         (parser_build_binary_op, build_compound_expr): Update prototypes.
10937         * c-parse.in (%union): Add exprtype.
10938         (FUNC_NAME): Mark as ttype.
10939         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
10940         exprtype.
10941         (expr): Update.  Define directly in terms of expr_no_commas
10942         instead of using nonnull_exprlist.
10943         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
10944         offsetof_member_designator, typespec_nonreserved_nonattr, init,
10945         initval, designator, component_declarator,
10946         component_notype_declarator, enumerator, array_declarator,
10947         condition, exexpr, switch_statement, stmt_nocomp, stmt,
10948         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
10949         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
10950         where appropriate.
10951         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
10952         * c-common.c (c_common_truthvalue_conversion): Don't check
10953         C_EXP_ORIGINAL_CODE.
10954         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
10955         Don't use C_EXP_ORIGINAL_CODE.
10956         (default_conversion, default_function_array_conversion): Don't use
10957         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
10958         (internal_build_compound_expr): Merge into build_compound_expr.
10959         (build_compound_expr): Take two operands instead of a TREE_LIST.
10960         * objc/objc-act.c (get_super_receiver): Update calls to
10961         build_compound_expr.
10962
10963 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
10964
10965         * config/sh/sh.c (sh_use_dfa_interface): Remove.
10966         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
10967         hook_int_void_1.
10968         * config/sh/sh.md: Extract pipeline descriptions
10969         into separate files.
10970         * config/sh/sh1.md: New file, extracted from sh.md.
10971         * config/sh/sh4.md: New file, extracted from sh.md.
10972         * config/sh/shmedia.md: New file, extracted from sh.md
10973         and rewritten using new-style pipeline description.
10974
10975 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
10976
10977         * config/pa/pa.md: Delete the two remaining define_peephole
10978         patterns.
10979
10980 2004-07-18  Steven Bosscher  <stevenb@suse.de>
10981             Joseph S. Myers  <jsm@polyomino.org.uk>
10982
10983         * c-common.c (c_common_truthvalue_conversion): Don't warn if
10984         TREE_NO_WARNING is set.
10985
10986 2004-07-18  Roger Sayle  <roger@eyesopen.com>
10987
10988         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
10989         simplify_builtin_strncmp): Delete.
10990         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
10991         Change argument to accept an arglist instead of an "exp".  Assume
10992         that the return type is always integer_type_node.  Copy missing
10993         transformations from their now obsolete simplify_builtin_*
10994         equivalents.
10995         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
10996         fold_builtin_strcmp and fold_builtin_strncmp.
10997         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
10998         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
10999         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
11000
11001 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
11002
11003         * Makefile.in (tree-alias-common.o): Update dependencies.
11004
11005 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
11006
11007         * cfgloop.c (flow_loop_nested_p): Fix comment.
11008
11009 2004-07-17  Jason Merrill  <jason@redhat.com>
11010
11011         PR c++/16115
11012         * stor-layout.c (relayout_decl): New fn.
11013         * tree.h: Declare it.
11014         (DECL_BY_REFERENCE): New macro.
11015
11016 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
11017
11018         * libgcc2.c (__enable_execute_stack): New symbol.
11019         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
11020         and declare __enable_execute_stack.
11021         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
11022         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
11023         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11024         ENABLE_EXECUTE_STACK.
11025         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
11026         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11027         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11028         ENABLE_EXECUTE_STACK.
11029         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11030         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
11031         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11032         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11033         ENABLE_EXECUTE_STACK.
11034         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11035         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11036         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11037         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11038         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
11039         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11040         (sparc64_initialize_trampoline): Likewise.
11041         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
11042
11043 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
11044
11045         * langhooks.h (builtin_function): New langhook.
11046         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
11047         (LANG_HOOKS_INITIALIZER): Update.
11048         * tree.h (builtin_function): Remove.
11049         * doc/tm.texi: Update.
11050         * c-tree.h (builtin_function): Declare.
11051         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
11052         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
11053         config/ia64/ia64.c, config/iq2000/iq2000.c,
11054         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
11055         config/stormy16/stormy16.c: All callers of builtin_function
11056         changed.
11057
11058 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
11059
11060         PR target/16556
11061         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
11062         Remove white space after the backslash.
11063
11064 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
11065
11066         PR rtl-optimization/16294
11067         * resource.c (return_insn_p): New predicate.
11068         (mark_target_live_regs): Use it.  Special-case return insns.
11069         (init_resource_info): Use it.  Don't scan the epilogue past
11070         a return.
11071
11072 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11073
11074         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
11075         destroy dominance information.
11076         * passes.c (rest_of_handle_loop2):  Free dominance information.
11077         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
11078         jump threading.
11079         (thread_jumps): Update dominance information and remove unreachable
11080         blocks.
11081         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
11082         information and remove the unreachable block.
11083
11084 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
11085
11086         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
11087
11088 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
11089
11090         * doc/sourcebuild.texi: Remove libf2c entry.
11091
11092 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
11093
11094         * config/i386/i386.md (movv16qi_internal): Fix typo.
11095
11096 2004-07-17  Steven Bosscher  <stevenb@suse.de>
11097
11098         * final.c (final_scan_insn): Fix broken commit from previous
11099         patch.
11100
11101 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
11102
11103         * c-typeck.c (parser_build_binary_op): Condition warnings for
11104         X<=Y<=Z on -Wparentheses instead of -Wextra.
11105         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
11106         supported for C only.
11107
11108 2004-07-17  Steven Bosscher  <stevenb@suse.de>
11109
11110         * cfgcleanup.c (try_simplify_condjump): Don't remove line
11111         notes to avoid unreachable code warnings.
11112         * toplev.c (backend_init): Don't emit line notes for
11113         unreachable code warnings.
11114
11115         * combine.c (distribute_notes): Don't distribute a
11116         REG_VTABLE_REF note.
11117         * final.c (final_scan_insn): Don't handle it.
11118         * rtl.c (reg_note_name): Remove it.
11119         * rtl.h (enum reg_node): Dito.
11120
11121         * emit-rtl.c (force_line_numbers, restore_line_number_status):
11122         Remove.
11123         * rtl.h (force_line_numbers, restore_line_number_status):
11124         Remove prototypes.
11125
11126         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
11127         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
11128         (using_eh_for_cleanups): Also moved here.
11129
11130         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
11131         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
11132         to expand_start_case and add_case_node.
11133         * stmt.c (struct nesting): Cleanup unused fields condition_code,
11134         last_unconditional_cleanup, nominal_type, printname, and
11135         line_number_status.
11136         (struct fixup_goto): Remove.
11137         (struct stmt_status): Remove x_goto_fixup_chain field.
11138         (goto_fixup_chain): Remove.
11139         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
11140         pushcase, pushcase_range): Remove.
11141         (expand_start_bindings_and_block): Don't set unused fields in
11142         the nesting stack.
11143         (expand_start_case, add_case_node): Cleanup unused formal arguments.
11144         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
11145         instead of emit_jump_if_reachable.
11146         (emit_case_nodes): Likewise.
11147         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
11148         static.
11149         (update_eh_label): Work around left-over exception handing regions.
11150         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
11151         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
11152         (pass_cleanup_cfg_post_optimizing): New pass.
11153         (init_tree_optimization_passes): Run the new pass after all
11154         optimizations.
11155         * tree.h (pushcase, pushcase_range): Remove prototypes.
11156         (expand_start_case, add_case_node): Update prototypes.
11157
11158 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
11159
11160         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
11161
11162 2004-07-16  Richard Henderson  <rth@redhat.com>
11163
11164         * builtins.c (std_expand_builtin_va_arg): Remove.
11165         (expand_builtin_va_arg): Remove.
11166         * expr.h: Don't declare them.
11167         * gimplify.c (mark_decls_volatile_r): Remove.
11168         (copy_if_shared_r): Don't call it.
11169         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
11170         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
11171         * gimple-low.c (lower_stmt): Likewise.
11172         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
11173         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
11174         * tree-ssa-operands.c (get_expr_operands): Likewise.
11175         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
11176         EXPAND_BUILTIN_VA_ARG.
11177         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
11178         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
11179         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
11180         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
11181
11182 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
11183
11184         * tree-ssa-pre.c (insert_aux): Break out if we hit
11185         a critical edge.
11186
11187 2004-07-16  Richard Henderson  <rth@redhat.com>
11188
11189         * basic-block.h (remove_fake_exit_edges): Declare.
11190         * cfganal.c (remove_fake_predecessors): Rename from
11191         remove_fake_successors; iterate over predecessors.
11192         (remove_fake_exit_edges): New.
11193         * cfgcleanup.c (try_optimize_cfg): Use it.
11194         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
11195         * predict.c (estimate_probability): Likewise.
11196         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
11197         * tree-cfg.c (make_edges): Likewise.
11198         * tree-ssa-pre.c (fini_pre): Likewise.
11199         * profile.c (instrument_edges): Don't remove_fake_edges.
11200         (branch_prob): Do it earlier here.
11201
11202 2004-07-16  Richard Henderson  <rth@redhat.com>
11203
11204         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
11205         switchification wrt CONSTRUCTOR.  Document the reason.
11206
11207 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
11208
11209         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
11210         that prevented descriptive __mf_check source location strings.
11211
11212 2004-07-16  Richard Henderson  <rth@redhat.com>
11213
11214         * tree-def (WITH_SIZE_EXPR): New.
11215         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
11216         * expr.c (expand_expr_real_1): Likewise.
11217         * gimplify.c (maybe_with_size_expr): New.
11218         (gimplify_arg, gimplify_modify_expr): Use it.
11219         (gimplify_modify_expr_to_memcpy): Take size parameter.
11220         (gimplify_modify_expr_to_memset): Likewise.
11221         (gimplify_expr): Handle WITH_SIZE_EXPR.
11222         * tree-alias-common.c (find_func_aliases): Likewise.
11223         * tree-eh.c (tree_could_trap_p): Likewise.
11224         (tree_could_throw_p): Likewise.
11225         * tree-gimple.c (is_gimple_lvalue): Likewise.
11226         (get_call_expr_in): Likewise.
11227         * tree-inline.c (estimate_num_insns_1): Likewise.
11228         (expand_calls_inline): Likewise.
11229         * tree-nested.c (convert_call_expr): Likewise.
11230         * tree-pretty-print.c (dump_generic_node): Likewise.
11231         * tree-sra.c (sra_walk_expr): Likewise.
11232         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
11233         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
11234         * tree-ssa-operands.c (get_expr_operands): Likewise.
11235         * tree-tailcall.c (find_tail_calls): Likewise.
11236
11237         * calls.c (expand_call): Reset old_stack_allocated after
11238         calling emit_stack_restore.
11239
11240 2004-07-16  Richard Henderson  <rth@redhat.com>
11241
11242         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
11243         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
11244         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
11245         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11246         copy_res_decl_for_inlining.
11247
11248         * tree-inline.c (declare_return_variable): New modify_dest argument.
11249         Use it as the return value, when possible or manditory.  Handle
11250         TREE_ADDRESSABLE types.
11251         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
11252         replacement of CALL_EXPR.
11253
11254 2004-07-16  Richard Henderson  <rth@redhat.com>
11255
11256         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
11257         * gimple-low.c (expand_var_p): Don't check it.
11258         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
11259         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
11260         * tree-ssa-operands.c (add_stmt_operand): Likewise.
11261         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
11262         (find_referenced_vars): Don't call them.
11263         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
11264
11265 2004-07-16  Richard Henderson  <rth@redhat.com>
11266
11267         * function.c (pass_by_reference): True for all variable sized types.
11268
11269 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
11270
11271         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
11272         * tree-pretty-print.c: Include tree-chrec.h.
11273         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
11274         and POLYNOMIAL_CHREC nodes.
11275
11276 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
11277
11278         * builtins.c (expand_builtin_stpcpy): Do not create temporary
11279         reg with VOIDmode.
11280
11281 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
11282
11283         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
11284
11285 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
11286
11287         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
11288         to BASE_REGNUM.
11289         * config/s390/s390.c: Likewise.
11290         * config/s390/s390.h: Likewise.
11291
11292 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11293
11294         * config/mips/mips.md (addsi3, adddi3): Remove special handling
11295         of $sp adds.  Remove REGNO checks from mips16 patterns.
11296
11297 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11298
11299         * config/mips/mips.md: Delete outdated comment.
11300
11301 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11302
11303         * config/mips/mips.c (get_float_compare_codes): Delete.
11304         (mips_emit_compare): New function, mostly extracted from
11305         get_float_compare_codes and gen_conditional_branch.
11306         (gen_conditional_branch, gen_conditional_move): Use it.
11307
11308 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
11309
11310         * genautomata.c (add_vect): Speedup by using integers as
11311         bit-vectors for walking through the comb_vect and finding
11312         a match.
11313
11314 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11315
11316         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
11317         operand is an uns_arith_operand; use subtraction otherwise.
11318         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
11319         not just arith_operands.
11320
11321 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11322
11323         * config/mips/mips-protos.h (gen_int_relational): Delete.
11324         (mips_emit_scc): Declare.
11325         * config/mips/mips.c (internal_test): Delete.
11326         (sle_operand, sleu_operand): New functions.
11327         (map_test_to_internal_test, gen_int_relational): Delete.
11328         (mips_emit_binary, mips_relational_operand_ok_p)
11329         (mips_emit_int_relational, mips_zero_if_equal)
11330         (mips_emit_scc): New functions.
11331         (gen_conditional_branch): Rework to use mips_emit_int_relational.
11332         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
11333         sleu_operand.
11334         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11335         (sltu, sleu): Use mips_emit_scc.
11336         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
11337         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
11338         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
11339
11340 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11341
11342         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
11343
11344 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11345
11346         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
11347         (*sne_[sd]i): Likewise sne_[sd]i_zero.
11348         (*sgt_[sd]i): ...and sgt_[sd]i.
11349         (*slt_[sd]i): ...and slt_[sd]i.
11350         (*sgtu_[sd]i): ...and sgtu_[sd]i.
11351         (*sltu_[sd]i): ...and sltu_[sd]i.
11352         (*sleu_[sd]i): ...and sleu_[sd]i_const.
11353         Name previously unnamed mips16 patterns.  Formatting fixes.
11354
11355 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11356
11357         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
11358         (branch_type): Delete.
11359         (gen_conditional_branch, gen_conditional_move)
11360         (mips_gen_conditional_trap): Update after name change.  Get the
11361         comparison mode from cmp_operands[0].
11362         * config/mips/mips.h (cmp_type, branch_type): Delete.
11363         (cmp_operands): Renamed from branch_cmp.
11364         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
11365         name change.  Don't set branch_type.
11366         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
11367         mode class of cmp_operands[0] rather than branch_type.  Update after
11368         name change.
11369
11370 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11371
11372         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
11373         of 0...255 to 0 when inside a SET.
11374
11375 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11376
11377         * config/mips/mips.md: Remove mips16 define_peepholes.
11378
11379 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
11380
11381         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
11382         (fini_pre): Remove fake edges.
11383
11384 2004-07-15  Richard Henderson  <rth@redhat.com>
11385
11386         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
11387         (get_indirect_ref_operands, get_call_expr_operands): ... these.
11388
11389 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
11390
11391         * vec.h (VEC_address): New function.
11392
11393 2004-07-14  Jason Merrill  <jason@redhat.com>
11394
11395         PR middle-end/15885
11396         * gimplify.c (gimplify_arg): New fn, split out from...
11397         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
11398
11399 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
11400
11401         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
11402         generate code which is generated by pushqi1 now
11403         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
11404
11405 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
11406
11407         * combine.c (simplify_set): match the mode of the constant 0 with
11408         the tested operand to match the compare behaviour and the
11409         simplify_relational_operation() expectation.
11410
11411 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
11412
11413         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
11414         ("bordered"): Same.
11415
11416 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
11417
11418         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
11419         unconditionally.
11420         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
11421
11422 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
11423
11424         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
11425         calls in mips16 code.
11426
11427 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
11428
11429         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
11430         the destination of the li as well as for the neg.
11431
11432 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
11433
11434         g++/15861
11435         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
11436         * cgraph.h: Update declaration.
11437         * c-decl.c (build_cdtor): Update call with default priority.
11438         * coverage.c (create_coverage): Ditto.
11439         * tree-mudflap.c (mf_init_fndecl): New tree.
11440         (mudflap_init): Set it.
11441         (mudflap_register_call): Arrange to call __mf_init before the first
11442         __mf_register call.
11443         (mudflap_finish_file): Mark the mudflap static initializer as extra
11444         high priority, to beat all C++ static constructors.
11445
11446 2004-07-15  Jeff Law  <law@redhat.com>
11447
11448         * loop.c (check_insn_for_givs): Restore check for code labels that was
11449         accidentally deleted by a recent checkin.
11450
11451 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
11452
11453         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
11454         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
11455
11456 2004-07-14  Richard Henderson  <rth@redhat.com>
11457
11458         * print-tree.c (print_node): Fix casts last change.
11459
11460 2004-07-15  Paul Brook  <paul@codesourcery.com>
11461
11462         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
11463         to TARGET_UNWIND_INFO.
11464         * except.c (output_function_exception_table): Ditto.
11465         * except.h: Ditto.
11466         * opts.c (decode_options): Ditto.
11467         * passes.c (rest_of_handle_final): Ditto.
11468         * final.c (final_start_function): Ditto.
11469         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
11470         target hook.
11471         * targhooks.h (default_unwind_emit): Declare.
11472         * targhooks.c (default_unwind_emit): New function.
11473         * target-def.h: Define and use TARGET_UNWIND_EMIT.
11474         * target.h (struct gcc_target): Add unwind_emit.
11475         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
11476         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
11477         Remove IA64_UNWIND_EMIT.
11478         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
11479
11480 2004-07-14  Richard Henderson  <rth@redhat.com>
11481
11482         * print-tree.c (print_node): Handle SSA_NAME.
11483
11484 2004-07-14  James E Wilson  <wilson@specifixinc.com>
11485
11486         PR target/16325
11487         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
11488         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
11489
11490 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
11491
11492         * expr.c (expand_assignment): Reenable bitfield += optimizations.
11493         Use alias set 0 for memory, do proper mode calculations and adjust
11494         address for memories.
11495
11496 2004-07-14  Per Bothner  <per@bothner.com>
11497
11498         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
11499         structure with extra column field.
11500         * tree.c (expand_location):  Also fill in column field.
11501         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
11502         gets confused by the two conditionally-compiled definitions.
11503
11504 2004-07-14  Eric Christopher  <echristo@redhat.com>
11505
11506         * calls.c (expand_call): Fix typo in comment.
11507
11508 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
11509
11510         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
11511         comparision of TFmode.
11512
11513 2004-07-14  Richard Henderson  <rth@redhat.com>
11514
11515         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
11516         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
11517         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
11518         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11519         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11520         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
11521         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
11522         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11523         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11524
11525 2004-07-14  Mike Stump  <mrs@apple.com>
11526
11527         * config/darwin.h (WINT_TYPE): Define to be int to match
11528         system header files.
11529
11530 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
11531
11532         * config/xtensa/xtensa.c (function_arg_advance): Check for args
11533         that must be passed in the stack.
11534         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
11535         arguments if the size is not a constant.
11536
11537 2004-07-14  Per Bothner  <per@bothner.com>
11538
11539         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
11540         instead of EXPR_LOCUS in a boolean context, which is always true
11541         if --enable-mapped-location.
11542         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
11543
11544 2004-07-14  Richard Henderson  <rth@redhat.com>
11545
11546         * dominance.c (struct dom_info): Add fake_exit_edge.
11547         (init_dom_info): Allocate it.
11548         (free_dom_info): Free it.
11549         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
11550         in two passes.
11551         (calc_idoms): Honor fake_exit_edge.
11552
11553 2004-07-13  Jason Merrill  <jason@redhat.com>
11554
11555         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
11556         (rhs_test_for): New fn.
11557         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
11558         * tree-gimple.h: Declare them.
11559         * gimplify.c (gimplify_modify_expr): Use the new fns.
11560
11561 2004-07-14  Richard Henderson  <rth@redhat.com>
11562
11563         * config/arm/arm-protos.h (arm_va_arg): Remove.
11564         * config/arm/arm.c (arm_va_arg): Remove.
11565         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
11566         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
11567
11568 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11569
11570         * pa.c (fix_range): New function to mark a range(s) of registers as
11571         fixed registers.
11572         (override_options): Call fix_range if the -mfixed-range option string
11573         is not empty.
11574         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
11575         * doc/invoke.texi (-mfixed-range): Document new option.
11576
11577 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
11578
11579         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
11580         for TARGET_64BIT.
11581         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
11582
11583 2004-07-14  Roger Sayle  <roger@eyesopen.com>
11584
11585         * expmed.c (expand_sdiv_pow2): New function to expand signed division
11586         by a positive power of two, split out from expand_divmod.  Provide
11587         an alternate implementation when shifts are expensive.  Lower the
11588         threshold for using a branchless implementation to BRANCH_COST >= 2.
11589         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
11590
11591 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
11592
11593         * tree-dfa.c (make_rename_temp): *Really* work just
11594         like create_tmp_var if called while outside SSA form.
11595
11596 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11597
11598         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
11599         for division by zero.
11600         ("umodsi3"): Likewise.
11601
11602 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
11603
11604         * config/mips/mips.c (mips_output_move): When generating mips16 code,
11605         force loads of negative constants to be split.
11606         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
11607         Generalize SImode li/neg splitter to cope with other modes.
11608
11609 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
11610
11611         * expmed.c: Remove more references to QUEUED in the comments.
11612         * expr.c: Likewise.
11613
11614 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
11615
11616         Revert:
11617         2004-07-13  Richard Henderson  <rth@redhat.com>
11618         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
11619         correctly.
11620
11621 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
11622
11623         * tree-dfa.c (make_rename_temp): Work just like
11624         create_tmp_var if called while outside SSA form.
11625
11626 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
11627
11628         * expr.c (enqueue_insn, finish_expr_for_function,
11629         protect_from_queue, queued_subexp_p, mark_queue,
11630         emit_insns_enqueued_after_mark, emit_queue,
11631         expand_increment): Remove.
11632         (store_constructor): Expand increment as an assignment.
11633         (expand_expr_real_1 <case PREINCREMENT_EXPR,
11634         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
11635         case POSTDECREMENT_EXPR>): Abort.
11636         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
11637         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
11638         protect_from_queue, emit_queue, queued_subexp_p): Remove.
11639         * function.h (pending_chain, x_pending_chain): Remove.
11640         * rtl.def (QUEUED): Remove.
11641
11642         * emit-rtl.c (copy_insn_1, copy_most_rtx,
11643         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
11644         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
11645         encode_units_mask): Likewise.
11646         * local-alloc.c (equiv_init_varies_p): Likewise.
11647         * rtl.c (copy_rtx): Likewise.
11648         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
11649         * simplify-rtx.c (simplify_gen_subreg): Likewise.
11650         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
11651
11652         * builtins.c (expand_builtin, expand_builtin_apply,
11653         expand_builtin_mathfn, expand_builtin_mathfn_2,
11654         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
11655         Remove calls to emit_queue and protect_from_queue.
11656         * calls.c (expand_call, precompute_arguments,
11657         precompute_register_parameters, rtx_for_function_call,
11658         store_one_arg): Likewise.
11659         * dojump.c (do_compare_and_jump, do_jump): Likewise.
11660         * explow.c (memory_address): Likewise.
11661         * expmed.c (clear_by_pieces_1, clear_storage,
11662         clear_storage_via_libcall, emit_group_load,
11663         emit_group_store, emit_store_flag,
11664         expand_expr_real_1, store_by_pieces,
11665         store_constructor, store_expr, try_casesi,
11666         try_tablejump): Likewise.
11667         * function.c (expand_pending_sizes): Likewise.
11668         * optabs.c (emit_cmp_and_jump_insns,
11669         emit_conditional_add, emit_conditional_move,
11670         expand_fix, expand_float, prepare_cmp_insn): Likewise.
11671         * stmt.c (emit_case_bit_tests,
11672         expand_asm_expr, expand_computed_goto,
11673         expand_decl_init, expand_end_case_type,
11674         expand_end_stmt_expr, expand_expr_stmt_value,
11675         expand_return, expand_start_case,
11676         optimize_tail_recursion): Likewise.
11677         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11678         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
11679
11680 2004-07-14  Ben Elliston  <bje@au.ibm.com>
11681
11682         * vec.h: Comment fix.
11683
11684 2004-07-13  Richard Henderson  <rth@redhat.com>
11685
11686         * target.h (struct gcc_target): Add calls.pass_by_reference.
11687         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
11688         * function.c (pass_by_reference): Use the hook.
11689         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
11690         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
11691         (hook_pass_by_reference_must_pass_in_stack): New.
11692         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
11693         (alpha_pass_by_reference): New.
11694         (TARGET_PASS_BY_REFERENCE): New.
11695         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11696         * config/arc/arc.c (arc_pass_by_reference): New.
11697         (TARGET_PASS_BY_REFERENCE): New.
11698         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11699         (FUNCTION_ARG_CALLEE_COPIES): True.
11700         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
11701         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
11702         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
11703         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11704         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11705         * config/cris/cris.c (cris_pass_by_reference): New.
11706         (TARGET_PASS_BY_REFERENCE): New.
11707         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
11708         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
11709         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11710         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
11711         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11712         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
11713         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
11714         (frv_function_arg_pass_by_reference): Remove.
11715         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11716         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
11717         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
11718         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
11719         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11720         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
11721         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
11722         (ia64_pass_by_reference): Rename from
11723         ia64_function_arg_pass_by_reference.
11724         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11725         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11726         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
11727         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
11728         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
11729         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11730         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
11731         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
11732         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
11733         (m32r_pass_by_reference): Adjust prototype.  Make static.
11734         Handle mode sizes correctly.
11735         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11736         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
11737         (m68hc11_function_arg_pass_by_reference): Remove.
11738         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11739         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
11740         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
11741         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11742         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
11743         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
11744         (mips_va_arg): Use pass_by_reference.
11745         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
11746         Handle mode sizes correctly.
11747         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11748         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
11749         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
11750         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
11751         (mmix_pass_by_reference): Rename from
11752         mmix_function_arg_pass_by_reference.
11753         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11754         (FUNCTION_ARG_CALLEE_COPIES): True.
11755         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
11756         (mn10300_pass_by_reference): New.
11757         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11758         (FUNCTION_ARG_CALLEE_COPIES): True.
11759         * config/pa/pa.c (pa_pass_by_reference): New.
11760         (TARGET_PASS_BY_REFERENCE): New.
11761         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11762         (FUNCTION_ARG_CALLEE_COPIES): True.
11763         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
11764         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
11765         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
11766         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11767         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
11768         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
11769         (s390_pass_by_reference): Rename from
11770         s390_function_arg_pass_by_reference.
11771         (s390_function_arg_advance): Don't query pass-by-ref.
11772         (s390_function_arg): Likewise.
11773         (s390_gimplify_va_arg): Use pass_by_reference.
11774         (s390_call_saved_register_used): Likewise.
11775         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11776         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
11777         (shcompact_byref, sh_pass_by_reference): New.
11778         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11779         (SHCOMPACT_BYREF): Remove.
11780         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
11781         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
11782         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
11783         (sparc_gimplify_va_arg): Use pass_by_reference.
11784         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11785         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11786         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
11787         (v850_pass_by_reference): New.
11788         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11789         (FUNCTION_ARG_CALLEE_COPIES): True.
11790         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
11791         FUNCTION_ARG_PASS_BY_REFERENCE docs.
11792
11793 2004-07-14  Richard Henderson  <rth@redhat.com>
11794             Richard Sandiford  <rsandifo@redhat.com>
11795
11796         * config/mips/mips-protos.h (mips_va_arg): Delete.
11797         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
11798         * config/mips/mips.c: Include tree-gimple.h.
11799         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
11800         (mips_arg_info): Remove special handling of must_pass_in_stck args.
11801         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
11802         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
11803
11804 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
11805
11806         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
11807         arguments for COND_EXPR in big-endian adjustment code.
11808
11809 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11810
11811         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
11812         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
11813         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
11814         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
11815
11816 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
11817
11818         PR tree-optimization/16443
11819         * tree-ssa-alias.c: Add more description for
11820         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
11821         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
11822         clobbering of call-clobbered and addressable variables.  If
11823         there are any before aliases have been computed, add them.
11824
11825 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
11826
11827         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
11828         verification.
11829
11830 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
11831
11832         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
11833         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
11834         to the same type.
11835
11836 2004-07-13  Per Bothner  <per@bothner.com>
11837
11838         * collect2.c (main):  Handle --no-demangle and --demangle flags.
11839
11840 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
11841
11842         * Makefile.in (OBJS-common): Add tree-data-ref.o.
11843         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
11844         (tree-data-ref.o): New rule.
11845         * lambda.h: New file.
11846         * tree-data-ref.c: New file.
11847         * tree-data-ref.h: New file.
11848         * tree.c (int_cst_value, tree_fold_gcd): New functions.
11849         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
11850
11851 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11852
11853         PR target/13926
11854         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
11855         * config/sparc/sparc.c (output_ubranch): New function.
11856         * config/sparc/sparc.md (jump pattern): Use it.
11857
11858 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11859
11860         PR target/16494
11861         * config/sparc/sparc.c (output_cbranch): Properly guard
11862         the code handling far branches with TARGET_V9.
11863         * config/sparc/sparc.md (length attribute): Document the
11864         side-effect of having a length greater or equal to 3.
11865
11866 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11867             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
11868
11869         PR target/15186
11870         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
11871         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
11872
11873 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11874             Martin Sebor  <sebor@roguewave.com>
11875
11876         PR target/12602
11877         * doc/invoke.texi (SPARC options): Document -threads
11878         and -pthreads on Solaris.
11879
11880 2004-07-13  Richard Henderson  <rth@redhat.com>
11881
11882         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
11883         by reference.
11884         (ind_gimplify_va_arg_expr): Remove.
11885         * tree.h (ind_gimplify_va_arg_expr): Remove.
11886         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
11887         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
11888         argsp to be null.
11889
11890         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
11891         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
11892         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
11893         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
11894         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
11895
11896 2004-07-13  Richard Henderson  <rth@redhat.com>
11897
11898         * function.c (pass_by_reference): New.
11899         (assign_parm_find_data_types): Use it.
11900         * calls.c (initialize_argument_information): Likewise.
11901         (emit_library_call_value_1): Likewise.
11902         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11903         * function.h (pass_by_reference): Declare.
11904
11905 2004-07-13  Richard Henderson  <rth@redhat.com>
11906
11907         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
11908         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
11909         * expr.h (MUST_PASS_IN_STACK): Remove.
11910         * system.h (MUST_PASS_IN_STACK): Poison.
11911         * tree.h (must_pass_in_stack_var_size): Declare.
11912         (must_pass_in_stack_var_size_or_pad): Declare.
11913         * calls.c (must_pass_in_stack_var_size): New.
11914         (must_pass_in_stack_var_size_or_pad): Rename from
11915         default_must_pass_in_stack.
11916         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
11917         (TARGET_MUST_PASS_IN_STACK): New.
11918         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
11919         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
11920         (TARGET_MUST_PASS_IN_STACK): New.
11921         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
11922         * config/frv/frv.c (frv_must_pass_in_stack): New.
11923         (TARGET_MUST_PASS_IN_STACK): New.
11924         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
11925         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
11926         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
11927         (ix86_must_pass_in_stack): Make static.
11928         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
11929         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
11930         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
11931         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
11932         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
11933         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
11934         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
11935         (mcore_must_pass_on_stack): Remove.
11936         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
11937         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
11938         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
11939         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
11940         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
11941         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
11942         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
11943         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
11944         (TARGET_MUST_PASS_IN_STACK): New.
11945         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
11946         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
11947         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
11948         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
11949         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
11950         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
11951         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
11952         MUST_PASS_IN_STACK.
11953
11954         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
11955         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
11956         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
11957         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
11958         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
11959         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
11960         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
11961         config/xtensa/xtensa.c: Use target hook.
11962
11963 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
11964
11965         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
11966         * configure: Rebuilt.
11967
11968 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
11969
11970         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
11971         * config/mips/mips.h (mips_reg_names): Don't declare.
11972         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
11973         (TARGET_NAME_REGS): Delete.
11974         (TARGET_SWITCHES): Remove -mrnames.
11975         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
11976         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
11977         in REGISTER_NAMES.
11978         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
11979         (override_options): Remove handling of TARGET_NAME_REGS.
11980
11981 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
11982
11983         * config/mips/mips.h (TARGET_*): Boolify.
11984
11985 2004-07-12  Nick Clifton  <nickc@redhat.com>
11986
11987         * config.gcc: Add sh-*-symbianelf target.
11988         * config/sh/sh.c: Add new target macros:
11989         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
11990         TARGET_CXX_IMPORT_EXPORT_CLASS.
11991         (sh_file_start): Create a definition of the .directive section.
11992         (sh_attribute): Add dllimport and dllexport attributes.
11993         * config/sh/symbian-pre.h: New file.
11994         * config/sh/symbian-post.h: New file.
11995         * config/sh/symbian.c: New file. Contains Symbian specific
11996         functions.
11997         * config/sh/sh-protos.h: Add prototypes for new functions
11998         provided by symbian.c.
11999         * config/sh/t-symbian: New file.
12000         * doc/extend.texi: Document support for dllimport and dllexport
12001         attributes by the sh-symbianelf target.
12002
12003 2004-07-12  James E Wilson  <wilson@specifixinc.com>
12004
12005         * Makefile.in (AR): Use @AR@ not ar.
12006         (NM): New.
12007         (AR_FOR_TARGET): Use $(AR) not ar for native.
12008         (NM_FOR_TARGET): Use $(NM) not nm for native.
12009         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
12010         * configure: Regenerate.
12011
12012 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
12013
12014         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
12015         special case.
12016         (ashldi3_sp64): Likewise.
12017
12018 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12019
12020         PR target/16477
12021         * pa.c (function_arg): Update comment.
12022         * pa.h (BLOCK_REG_PADDING): Define.
12023
12024 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12025
12026         PR tree-optimization/16461
12027         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
12028         arguments of phi nodes.
12029
12030 2004-07-12  Devang Patel  <dpatel@apple.com>
12031
12032         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
12033
12034 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
12035
12036         * function.c (expand_function_start): Ensure r_save is in Pmode.
12037         * calls.c (prepare_call_address): Ensure static_chain_value is
12038         in Pmode.
12039         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
12040         r_save_area are in Pmode.
12041         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
12042         fnaddr, and static_chain are in Pmode.
12043
12044 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
12045
12046         PR target/16445
12047         * config/ia64/ia64.c (bundling): Don't count ignored insns.
12048
12049 2004-07-12  Richard Henderson  <rth@redhat.com>
12050
12051         * target.h (struct gcc_target): Move gimplify_va_arg_expr
12052         next to build_builtin_va_list.
12053         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
12054         * builtins.c (gimplify_va_arg_expr): Likewise.
12055         * gimplify.c (copy_if_shared_r): Likewise.
12056
12057 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
12058
12059         * passes.c (rest_of_decl_compilation): Don't defer call of
12060         assemble_variable if its DECL_RTL is already set.
12061
12062 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
12063
12064         * cfgloop.h (struct loop): Add nb_iterations field.
12065         (current_loops): Declare.
12066         * tree-chrec.c (chrec_not_analyzed_yet,
12067         chrec_dont_know, chrec_known, count_ev_in_wider_type,
12068         chrec_contains_symbols_defined_in_loop): Remove the temporary
12069         hooks.
12070         * tree-flow-inline.h (loop_containing_stmt): New function.
12071         * tree-scalar-evolution.c: Add implementation.
12072         * tree-scalar-evolution.h: Add declarations.
12073
12074 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
12075
12076         PR rtl-optimization/15921
12077         * Makefile.in (global.o): Add recog.h.
12078
12079         * global.c (recog.h): Add the include-clause.
12080         (bb_info): New member earlyclobber.
12081         (allocate_bb_info, free_bb_info): Initialize/finish the new
12082         member.
12083         (earlyclobber_regclass, earlyclobber_regclass_length): The new
12084         global variables.
12085         (check_earlyclobber, regclass_intersect,
12086         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
12087         New functions.
12088         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
12089         (make_accurate_live_analysis): Modify pavin.
12090
12091 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
12092
12093         * tree-cfg.c (find_taken_edge): Statically compute the truth
12094         value of a predicate comparing an SSA_NAME to itself.
12095
12096 2004-07-12  Roger Sayle  <roger@eyesopen.com>
12097
12098         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
12099         rs6000 doesn't have shift-and-add or shift-and-sub instructions
12100         by returning the cost of a multiplication plus an addition.
12101
12102 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
12103
12104         PR tree-optimization/14107
12105         * gimplify.c (gimplify_return_expr): Accept a
12106         RETURN_EXPR with an error argument.
12107         * tree-optimize.c (init_tree_optimization_passes):
12108         Run pass_warn_function_return at -O0.
12109
12110 2004-07-12  Roger Sayle  <roger@eyesopen.com>
12111
12112         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
12113         index entry.
12114
12115 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
12116
12117         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
12118         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
12119         * config/mips/3000.md: Add copyright notice.  Remove automota and
12120         function units; use generic ones instead.  Only define reservations
12121         for things that are different from generic.md.  Extend each clause
12122         to include r3900.
12123         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
12124         * config/mips/mips.md: Include them. Remove define_function_units.
12125         (alu, imuldiv): New automata and units.
12126
12127 2004-07-12  Ben Elliston  <bje@au.ibm.com>
12128
12129         * doc/invoke.texi (Optimize Options): Document -frename-registers
12130         not being enabled by default at -O3.
12131
12132 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12133
12134         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
12135         floating point additions, to keep real immediate constant positive.
12136         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
12137         into X + C, and leave positive real constants as X - C.
12138
12139 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12140
12141         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
12142
12143 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12144
12145         PR tree-optimization/15654
12146         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
12147
12148 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12149
12150         * builtins.c (fold_builtin_fputs): Don't bother converting the
12151         return type to integer_type_node, as we've already checked that
12152         the result will be ignored.
12153
12154         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
12155         that signed addition, subtraction, multiplication, division,
12156         remainder, negation and absolute value may potentially trap.
12157
12158         * fold-const.c (fold_ignored_result): New function to strip
12159         non-side-effecting tree nodes from an expression whose result
12160         is ignored.
12161         (fold_convert): Call fold_ignored_result when casting a value
12162         to VOID_TYPE.
12163         (omit_one_operand):  Call fold_ignored_result on the "omitted"
12164         operand when building a COMPOUND_EXPR.
12165         (pedantic_omit_one_operand): Likewise.
12166         * tree.h (fold_ignored_result): Prototype here.
12167         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
12168         when we're going to ignore the result.
12169
12170 2004-07-11  Richard Henderson  <rth@redhat.com>
12171
12172         PR tree-opt/16383
12173         * tree-ssa-ccp.c (fold_stmt_r): Split out...
12174         * tree.c (fields_compatible_p, find_compatible_field): ... new.
12175         * tree.h (fields_compatible_p, find_compatible_field): Declare.
12176         * tree-sra.c (sra_hash_tree): Hash fields by offset.
12177         (sra_elt_eq): Use fields_compatible_p.
12178         (generate_one_element_ref): Use find_compatible_field.
12179
12180 2004-07-11  Richard Henderson  <rth@redhat.com>
12181
12182         PR tree-opt/16422
12183         * tree-sra.c (generate_one_element_init): New.
12184         (generate_element_init): Use it.
12185         (scalarize_init): Push/pop gimplify context around it.
12186         (find_new_referenced_vars_1, find_new_referenced_vars): New.
12187         * gimplify.c (gimplify_expr): Allow SSA_NAME.
12188
12189 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12190
12191         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
12192         combine.c's combine_insn_cost.
12193         * rtl.h (insn_rtx_cost): Prototype here.
12194         * combine.c (combine_insn_cost): Delete function.
12195         (combine_validate_cost): Update callers of combine_insn_cost to
12196         call insn_rtx_cost instead.
12197         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
12198         requesting the rtx_cost of call and/or jump instructions.
12199
12200         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
12201         rtx_cost directly.  Don't request/use the cost of call or jump
12202         instructions.  Return -1 if the cost of any instruction can't be
12203         determined (or the BB contains a function call).
12204         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
12205         -1 (i.e. can't determine the cost of any instruction or the basic
12206         block contains a subroutine call).
12207         (find_if_case_2): Likewise.
12208
12209 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12210
12211         * rs6000.c (struct processor_costs): Change semantics of fields to
12212         include the COST_N_INSNS scaling, and update all initializers.
12213         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
12214         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
12215         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
12216         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
12217
12218 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12219
12220         * LANGUAGES: Remove obsolete information.
12221
12222 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
12223
12224         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
12225         SIGBUS signal frames, the PSW address points *to* the faulting
12226         instruction, not after it.
12227
12228 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
12229
12230         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
12231         added to TLS symbol addresses.
12232
12233 2004-07-11  Richard Henderson  <rth@redhat.com>
12234
12235         * expmed.c (init_expmed): Use stack-local structures for
12236         temporary rtl.  Don't recognize shifts.
12237
12238 2004-07-11  Richard Henderson  <rth@redhat.com>
12239
12240         * expr.c (store_expr): Don't fiddle subreg promotion for types
12241         with precision smaller than the mode.
12242
12243 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12244
12245         * tree.h (all_types_permanent): Remove.
12246
12247 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12248
12249         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
12250         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
12251         * langhooks.c (lhd_clear_binding_stack): Remove.
12252         * langhooks-def.h (lhd_clear_binding_stack,
12253         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
12254         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
12255         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
12256         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
12257         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
12258         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
12259         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
12260         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
12261         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
12262         * tree.h (poplevel): Don't declare.
12263         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
12264         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
12265         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
12266         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
12267         Remove.
12268
12269 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12270
12271         PR tree-optimization/16437
12272         * c-common.c (shorten_compare): Don't mark result of conversion to
12273         narrower signed type as overflowing.
12274         * fold-const.c (decode_field_reference): Determine whether
12275         signedness comes from outer type using precision rather than size.
12276
12277 2004-07-11  Phil Edwards  <phil@codesourcery.com>
12278
12279         * configure.ac:  Alphabetize --enable-checking list, add
12280         missing valgrind entry.
12281         * configure:  Regenerate.
12282
12283 2004-07-11  Phil Edwards  <phil@codesourcery.com>
12284
12285         * doc/install.texi (Testing):  Fix syntax in "make check" example.
12286
12287 2004-07-10  James E Wilson  <wilson@specifixinc.com>
12288
12289         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
12290
12291 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12292
12293         PR rtl-optimization/16001
12294         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
12295         niter_expr.
12296
12297 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
12298
12299         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
12300
12301 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
12302             James Morrison  <phython@gcc.gnu.org>
12303
12304         * doc/contrib.texi (Contributors): Add gfortran contributors and
12305         fix a couple of typos.
12306
12307 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12308
12309         PR rtl-optimization/15387
12310         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
12311         to incoming args space correctly.
12312
12313 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12314
12315         * pa.c (output_indirect_call): Only use %r2 as the link register in
12316         indirect calls with the long PA 2.0 pc-relative branch.
12317
12318 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
12319
12320         * config/i386/i386.c (override_options): Pick a 64-bit CPU
12321         for the default tuning if TARGET_64BIT.
12322
12323 2004-07-10  Richard Henderson  <rth@redhat.com>
12324
12325         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
12326         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
12327
12328 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
12329
12330         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
12331         * expmed.c (store_bit_field, extract_bit_field): Remove last
12332         argument.
12333         * builtins.c (expand_builtin_signbit): Adjust callers.
12334         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
12335         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
12336         * ifcvt.c (noce_emit_move_insn): Likewise.
12337         * stmt.c (expand_return): Likewise.
12338         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
12339         store_field, expand_expr_real_1): Likewise.
12340
12341 2004-07-10  Richard Henderson  <rth@redhat.com>
12342
12343         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
12344
12345 2004-07-09  Mike Stump  <mrs@apple.com>
12346
12347         * config/darwin.c (no_dead_strip): Add.
12348         (HAVE_DEAD_STRIP): Add.
12349         (darwin_emit_unwind_label): Ensure that we don't dead code strip
12350         the .eh label.
12351
12352 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12353
12354         * tree-ssa-loop-im.c: New file.
12355         * Makefile.in (tree-ssa-loop-im.o): Add.
12356         * cfgloop.c (superloop_at_depth): New function.
12357         * cfgloop.h (superloop_at_depth): Declare.
12358         * common.opt (ftree-lim): New flag.
12359         * expr.c (array_ref_up_bound): New function.
12360         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
12361         * timevar.def (TV_LIM): New timevar.
12362         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
12363         computing immediate uses of a phi node.
12364         * tree-flow.h (struct tree_ann_common_d): Add aux field.
12365         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
12366         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
12367         * tree-pass.h (pass_lim): Declare.
12368         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
12369         functions.
12370         (pass_lim): New pass structure.
12371         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
12372         * tree.c (in_array_bounds_p): New function.
12373         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
12374         (in_array_bounds_p, array_ref_up_bound): Declare.
12375         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
12376         * doc/passes.texi (tree-ssa-loop-im.c): Document.
12377
12378 2004-07-09  Richard Henderson  <rth@redhat.com>
12379
12380         * builtins.c (expand_builtin_stpcpy): Don't modify len.
12381
12382         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
12383         with prejudice.
12384
12385 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
12386
12387         * flags.h: Delete redundant prototypes that are being generated
12388         in options.h from common.opt.
12389         * common.opt: Add in the expository comments formerly in flags.h.
12390
12391 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12392
12393         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
12394         available for use only when TARGET_MMX/_SSE is set, and check for
12395         variable argument function if any register count is non-zero.
12396         (function_arg): Correctly suppress repeated warnings for passing SSE
12397         vectors are arguments without SSE enabled.
12398         (ix86_function_arg_boundary): Without SSE enabled, the use of what
12399         would be SSE register modes does no longer influence the alignment.
12400
12401 2004-07-09  Richard Henderson  <rth@redhat.com>
12402
12403         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
12404         Always align upward to arg boundary.  Use size_in_bytes/round_up.
12405         Maintain type-correctness of constants.
12406         * stor-layout.c (round_up, round_down): Special-case powers of 2.
12407
12408 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
12409
12410         * config/sparc/sparc.c (*_costs): Scale instruction costs
12411         by COSTS_N_INSNS.
12412         (sparc_rtx_costs): Adjust as appropriate.
12413
12414 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12415
12416         * config/i386/mm3dnow.h: New.
12417         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
12418
12419 2004-07-09  Richard Henderson  <rth@redhat.com>
12420
12421         * simplify-rtx.c (simplify_const_relational_operation): Only
12422         look at bounds of scalar integers.
12423
12424 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12425
12426         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
12427
12428 2004-07-09  Andrew Pinski  <apinski@apple.com>
12429
12430         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
12431         always referenced.
12432         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
12433         UOBJC_METACLASS_decl.
12434
12435 2004-07-09  James E Wilson  <wilson@specifixinc.com>
12436
12437         PR target/16364
12438         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
12439         do return a parallel if hfa_mode == XFmode and mode == TImode.
12440
12441 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12442
12443         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
12444         permissible for unary plus.
12445
12446 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12447
12448         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
12449         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
12450         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
12451         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
12452         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
12453         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
12454         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
12455         (BUILTIN_xxxIMAX): New.
12456         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
12457         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
12458         BUILT_IN_PARITYIMAX.
12459
12460 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
12461
12462         * config/sparc/sparc.h (processor_costs): Define.
12463         (sparc_costs): Declare.
12464         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
12465         hypersparc_costs, sparclet_costs, ultrasparc_costs,
12466         ultrasparc3_costs): New.
12467         (sparc_override_options): Set sparc_costs as appropriate.
12468         (sparc_rtx_costs): Use sparc_costs instead of messy
12469         conditionals.
12470
12471 2004-07-09  Steven Bosscher  <stevenb@suse.de>
12472
12473         * doc/md.texi (Processor pipeline description): Mention that
12474         the old pipeline description is deprecated.
12475
12476         * config/rs6000/7450.md (automaton ppc7450): Split up, move
12477         mciu_7450 function unit to...
12478         (automaton ppc7450mciu): ...new automaton.
12479
12480         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
12481         (schedule_block): Don't consider inserting bubbles.
12482         (sched_init): Don't initialize DFA bubbles.
12483         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
12484         TARGET_SCHED_DFA_BUBBLE): Remove.
12485         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
12486         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
12487         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
12488
12489         * stmt.c (conditional_context): Remove prototype.
12490         * tree.h (conditional_context): Remove.
12491         * tree-cfg.c (pre_insert_on_edge): Remove.
12492
12493         * c-common.h (c_expand_asm_operands): Remove prototype.
12494         * c-typeck.c (c_expand_asm_operands): Remove.
12495
12496 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12497
12498         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
12499         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
12500         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
12501         and V8QI are class SSE. All sufficiently small remaining vector modes
12502         must be passed in one or two integer registers.
12503         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
12504         returned in memory.
12505         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
12506         __builtin_ia32_pmuludq128 have non-uniform argument and return types
12507         and must thus be handled explicitly.
12508         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
12509         MMX and XMM regs.
12510         (movv8qi_internal, movv4hi_internal, movv2si_internal,
12511         movv2sf_internal): Permit moving between MMX and XMM registers (since
12512         MMX areguments and return values are passed in XMM registers).
12513         (sse2_umulsidi3): Correct type and mode.
12514
12515 2004-07-09  Richard Henderson  <rth@redhat.com>
12516
12517         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
12518
12519 2004-07-09  Eric Christopher  <echristo@redhat.com>
12520
12521         * config/rs6000/40x.md: Split into two automatons.
12522
12523 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
12524             Andrew Pinski  <apinski@apple.com>
12525
12526         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
12527         on when we have more than one input file.
12528         (c_common_parse_file): Restore loop over all input files.
12529         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
12530
12531         * c-decl.c (set_type_context): New function.
12532         (pop_scope): Use it to set context of types.  When we
12533         encounter a TYPE_DECL, set the context of the attached type too.
12534         (pop_file_scope): Don't call cpp_undef_all here.
12535         (diagnose_mismatched_decls): Do not complain about a second
12536         definition of an 'extern inline' function if it's not in the
12537         same translation unit.  Do not complain about inline
12538         declaration after use if the use was in a different
12539         translation unit.
12540         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
12541         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
12542         the external scope.
12543         (pushdecl_top_level): Likewise.
12544         (grokdeclarator): Clarify what is going on with setting
12545         DECL_EXTERNAL on function types, a little.
12546         (c_write_global_declarations): Don't do anything if
12547         -fsyntax-only or errors have been encountered.
12548
12549 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
12550
12551         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
12552
12553 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12554
12555         PR target/16459
12556         * pa.c (output_indirect_call): Use %r2 as the link register when
12557         calling $$dyncall with a pc-relative branch.
12558
12559 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
12560
12561         * doc/install.texi (Binaries): Mention OpenPKG.
12562
12563 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
12564
12565         Fix PR tree-optimization/15555
12566         * tree-dfa.c (dump_variable): If the variable is a pointer
12567         SSA_NAME, also dump its points-to information.
12568         * tree-flow.h (struct ptr_info_def): Add field
12569         is_dereferenced.
12570         (dump_points_to_info_for): Declare.
12571         (debug_points_to_info_for): Declare.
12572         * tree-optimize.c (init_tree_optimization_passes): Add a
12573         second alias analysis pass after DOM2.
12574         Move pass_del_pta to a later spot.
12575         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
12576         create a name tags when we find a dereferenced pointer.  Just
12577         mark the pointer dereferenced.
12578         (collect_points_to_info_for): Move code to clear points-to
12579         information to create_name_tags.
12580         (create_name_tags): New function.
12581         (compute_flow_sensitive_aliasing): Call it.
12582         (setup_pointers_and_addressables): Mark type tags for renaming
12583         here instead of ...
12584         (create_memory_tag): ... here.
12585         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
12586         (dump_points_to_info_for): Declare extern.
12587         (debug_points_to_info_for): New function.
12588
12589 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
12590
12591         * config/arc/arc.md: Switch to DFA-based scheduler description.
12592         * config/arc/arc.c: Switch to DFA-based scheduler description.
12593
12594 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
12595
12596         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
12597         pointer.
12598
12599 2004-07-09  Richard Henderson  <rth@redhat.com>
12600
12601         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
12602         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12603         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
12604         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
12605
12606         * config/v850/v850-protos.h (v850_va_arg): Remove.
12607         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12608         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
12609         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
12610         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
12611         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
12612
12613 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
12614
12615         PR target/12133
12616         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
12617         and DImode to use +/-4k offset.
12618
12619 2004-07-09  Richard Henderson  <rth@redhat.com>
12620
12621         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
12622         Remove.
12623         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12624         (xstormy16_gimplify_va_arg_expr): Rewrite from
12625         xstormy16_expand_builtin_va_arg.
12626         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
12627
12628         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
12629         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
12630
12631         * config/sh/sh-protos.h (sh_va_arg): Remove.
12632         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12633         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
12634         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
12635
12636         * config/pa/pa-protos.h (hppa_va_arg): Remove.
12637         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12638         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
12639         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
12640
12641         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
12642         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12643         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
12644         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
12645
12646 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
12647
12648         * config/sparc/sparc.md (return): Rewrite length formula.
12649         * config/sparc/sparc.c (output_return): Pass 1 as 5th
12650         argument to final_scan_insn when in a delay slot.
12651         (output_sibcall): Likewise.
12652
12653 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
12654
12655         * arm.c (arm_cpp_interwork): New variable.
12656         (arm_override_options): Set it if TARGET_INTERWORK was on the command
12657         line.
12658         * arm.h (arm_cpp_interwork): Declare it.
12659         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
12660         __THUMB_INTERWORK__ in the preprocessor.
12661
12662 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
12663
12664         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
12665
12666 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
12667
12668         PR target/16416
12669         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
12670         Override default settings to account for -m32 and -m64.
12671
12672 2004-07-08  Randolph Chung  <tausq@debian.org>
12673
12674         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
12675
12676 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
12677
12678         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
12679         before comparing it as such.
12680
12681 2004-07-08  Richard Henderson  <rth@redhat.com>
12682
12683         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
12684         temporary.  Use bit arithmetic to align.
12685
12686 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
12687
12688         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
12689         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
12690         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
12691         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
12692         add_labels_and_missing_jumps, find_jump_block,
12693         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
12694         Likewise.
12695         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
12696         link_btr_uses, move_btr_def): Likewise.
12697         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
12698         expand_builtin_expect_jump): Likewise.
12699         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
12700         * calls.c (expand_call, emit_library_call_value_1): Likewise.
12701         * cfganal.c (forwarder_block_p): Likewise.
12702         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
12703         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
12704         find_bb_boundaries): Likewise.
12705         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
12706         merge_blocks_move_predecessor_nojumps,
12707         merge_blocks_move_successor_nojumps, insns_match_p,
12708         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
12709         try_optimize_cfg): Likewise.
12710         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
12711         * cfglayout.c (skip_insns_after_block, label_for_bb,
12712         record_effective_endpoints, insn_locators_initialize,
12713         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
12714         * cfgmainloop.c (create_loop_notes): Likewise.
12715         * cfgrtl.c (delete_insn, delete_insn_chain,
12716         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
12717         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
12718         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
12719         redirect_branch_edge, force_nonfallthru_and_redirect,
12720         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
12721         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
12722         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
12723         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
12724         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
12725         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
12726         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
12727         * combine.c (combine_instructions, can_combine_p, try_combine,
12728         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
12729         distribute_notes, distribute_links, insn_cuid): Likewise.
12730         * cse.c (fold_rtx, cse_insn, cse_around_loop,
12731         invalidate_skipped_block, cse_set_around_loop,
12732         cse_end_of_basic_block, cse_main, cse_basic_block,
12733         cse_condition_code_reg): Likewise.
12734         * cselib.c (cselib_process_insn): Likewise.
12735         * ddg.c (create_ddg): Likewise.
12736         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
12737         Likewise.
12738         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
12739         gen_label_die, dwarf2out_var_location): Likewise.
12740         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
12741         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
12742         last_call_insn, active_insn_p, next_label, prev_label,
12743         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
12744         add_insn_before, remove_insn, add_function_usage_to,
12745         reorder_insns, find_line_note, remove_unnecessary_notes,
12746         emit_insn_after_1, classify_insn): Likewise.
12747         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
12748         connect_post_landing_pads, sjlj_mark_call_sites,
12749         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
12750         can_throw_internal, can_throw_external, set_nothrow_function_flags,
12751         convert_to_eh_region_ranges): Likewise.
12752         * explow.c (optimize_save_area_alloca): Likewise.
12753         * expr.c (expand_expr_real): Likewise.
12754         * final.c (insn_current_reference_address, compute_alignments,
12755         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
12756         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
12757         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
12758         propagate_block_delete_insn, propagate_one_insn,
12759         init_propagate_block_info, propagate_block, libcall_dead_p,
12760         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
12761         Likewise.
12762         * function.c (instantiate_virtual_regs, reorder_blocks_1,
12763         expand_function_start, expand_function_end, contains,
12764         thread_prologue_and_epilogue_insns,
12765         reposition_prologue_and_epilogue_notes): Likewise.
12766         * gcse.c (constprop_register, bypass_conditional_jumps,
12767         insert_insn_end_bb, gcse_after_reload): Likewise.
12768         * genemit.c (gen_expand, gen_split): Likewise.
12769         * genpeep.c (gen_peephole, main): Likewise.
12770         * global.c (build_insn_chain): Likewise.
12771         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
12772         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
12773         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
12774         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
12775         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
12776         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
12777         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
12778         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
12779         dead_or_predicable): Likewise.
12780         * integrate.c (try_constants): Likewise.
12781         * jump.c (rebuild_jump_labels, cleanup_barriers,
12782         purge_line_number_notes, init_label_info, mark_all_labels,
12783         squeeze_notes, get_label_before, get_label_after,
12784         reversed_comparison_code_parts, simplejump_p, pc_set,
12785         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
12786         delete_barrier, delete_prior_computation, delete_computation,
12787         delete_related_insns, delete_for_peephole, redirect_jump):
12788         Likewise.
12789         * lcm.c (optimize_mode_switching): Likewise.
12790         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
12791         Likewise.
12792         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
12793         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
12794         * loop-iv.c (simplify_using_assignment): Likewise.
12795         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
12796         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
12797         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
12798         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
12799         check_insn_for_givs, check_final_value, update_giv_derive,
12800         basic_induction_var, product_cheap_p, check_dbra_loop,
12801         loop_insn_first_p, last_use_this_basic_block,
12802         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
12803         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
12804         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
12805         sms_schedule_by_order): Likewise.
12806         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
12807         * postreload.c (reload_cse_simplify_operands, reload_combine,
12808         reload_cse_move2add): Likewise.
12809         * predict.c (can_predict_insn_p, estimate_probability,
12810         expected_value_to_br_prob, process_note_predictions): Likewise.
12811         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
12812         * profile.c (branch_prob): Likewise.
12813         * ra-build.c (live_out_1, livethrough_conflicts_bb,
12814         detect_webs_set_in_cond_jump): Likewise.
12815         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
12816         ra_print_rtl_with_bb): Likewise.
12817         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
12818         * recog.c (next_insn_tests_no_inequality, find_single_use,
12819         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
12820         * reg-stack.c (next_flags_user, record_label_references,
12821         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
12822         compensate_edge, convert_regs_1): Likewise.
12823         * regclass.c (scan_one_insn): Likewise.
12824         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
12825         regmove_optimize, fixup_match_1, single_set_for_csa,
12826         combine_stack_adjustments_for_block): Likewise.
12827         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
12828         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
12829         find_equiv_reg): Likewise.
12830         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
12831         reload_as_needed, emit_input_reload_insns, do_output_reload,
12832         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
12833         Likewise.
12834         * reorg.c (find_end_label, emit_delay_sequence,
12835         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
12836         get_jump_flags, rare_destination, mostly_true_jump,
12837         try_merge_delay_insns, redundant_insn, own_thread_p,
12838         fill_simple_delay_slots, fill_slots_from_thread,
12839         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
12840         dbr_schedule): Likewise.
12841         * resource.c (find_basic_block, next_insn_no_annul,
12842         find_dead_or_set_registers, mark_target_live_regs): Likewise.
12843         * rtl.h (RTX_PREV): Likewise.
12844         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
12845         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
12846         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
12847         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
12848         tablejump_p, computed_jump_p, insns_safe_to_move_p,
12849         find_first_parameter_load, can_hoist_insn_p): Likewise.
12850         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
12851         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
12852         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
12853         schedule_ebbs): Likewise.
12854         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
12855         is_conditionally_protected, can_schedule_ready_p,
12856         add_branch_dependences, debug_dependencies): Likewise.
12857         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
12858         Likewise.
12859         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
12860         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
12861         set_dominates_use, ujump_to_loop_cont): Likewise.
12862         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
12863         * varasm.c (output_constant_pool_1): Likewise.
12864
12865 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12866
12867         * tree-scalar-evolution.c: New file.
12868         * tree-scalar-evolution.h: New file.
12869         * tree-ssa-loop-niter.c: New file.
12870         * Makefile.in (SCEV_H): New.
12871         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
12872         * cfgloop.h (struct loop): Add bounds field.
12873         * tree-flow.h (struct tree_niter_desc): New type.
12874         (number_of_iterations_cond, number_of_iterations_exit,
12875         loop_niter_by_eval, find_loop_niter_by_eval,
12876         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
12877         free_numbers_of_iterations_estimates): Declare.
12878         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
12879         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
12880         * doc/invoke.texi (max-iterations-to-track): Document.
12881
12882 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
12883
12884         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
12885         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
12886         (MODE_AFTER): Add cast appropriately.
12887         * config/sh/sh.md (movdi splitter): Likewise.
12888         (casesi_worker_2): Add const qualifier appropriately.
12889         (eh_return): Remove unused variable.
12890         (insv): Initialize v;
12891
12892 2004-07-08  Richard Henderson  <rth@redhat.com>
12893
12894         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
12895         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12896         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
12897         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
12898         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
12899
12900         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
12901         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12902         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
12903         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
12904
12905         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
12906         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12907         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
12908         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
12909
12910         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
12911         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12912         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
12913         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
12914
12915         * config/i860/i860-protos.h (i860_va_arg): Remove.
12916         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12917         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
12918         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
12919
12920 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
12921
12922         * system.h: Prototype getpagesize if missing.
12923         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
12924         * configure: Regenerate.
12925         * config.in: Regenerate.
12926
12927 2004-07-08  Richard Henderson  <rth@redhat.com>
12928
12929         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
12930         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12931         (fr30_gimplify_va_arg_expr): New.
12932         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
12933         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
12934
12935 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
12936
12937         PR target/16414
12938         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
12939         of asm_noperands result.
12940
12941 2004-07-08  Richard Henderson  <rth@redhat.com>
12942
12943         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
12944         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12945         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
12946         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
12947
12948 2004-07-08  Richard Henderson  <rth@redhat.com>
12949
12950         * builtins.c (ind_gimplify_va_arg_expr): New.
12951         * tree.h (ind_gimplify_va_arg_expr): Declare.
12952         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
12953
12954 2004-07-08  Jan Beulich  <jbeulich@novell.com>
12955
12956         * expmed.c (extract_bit_field): Correct condition to use vec_extract
12957         patterns also on vector elements other than the first one.
12958         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
12959         break statements.
12960
12961 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
12962
12963         * config/rs6000/darwin-ldouble.c: Correct reference
12964         to the Linnainmaa paper.
12965
12966 2004-07-08  Richard Henderson  <rth@redhat.com>
12967
12968         * config/arc/arc-protos.h (arc_va_arg): Remove.
12969         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12970         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
12971         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
12972
12973         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
12974         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12975         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
12976         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
12977
12978 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12979
12980         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
12981
12982 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
12983
12984         * c-decl.c (static_ctors, static_dtors): Make static.
12985         (pop_file_scope): Call c_common_write_pch and
12986         cgraph_finalize_compilation_unit here.
12987         (build_cdtor): Moved here from c-objc-common.c; simplify.
12988         (c_write_global_declarations_1): Clarify comment.
12989         (c_write_global_declarations): Close the external scope before
12990         doing anything else.  Call build_cdtor, cgraph_optimize, and
12991         mudflap_finish_file here.
12992         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
12993         Clarify comment.
12994         * c-objc-common.c: No need to include cgraph.h.
12995         (build_cdtor): Moved to c-decl.c.
12996         (c_objc_common_finish_file): Delete.
12997         * c-tree.h: Update to match.
12998         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
12999         (generate_static_references): Set TREE_USED before calling finish_decl.
13000         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
13001         on the static_instances_decl.
13002
13003 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
13004
13005         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
13006         decls when there is only one input translation unit.
13007         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
13008         change of 2004-07-05; do not treat declarations with
13009         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
13010         * opts.c (cur_in_fname): Delete.
13011         * opts.h: Likewise.
13012         * tree.c: Revert changes of 2004-07-05; no special treatment
13013         for TRANSLATION_UNIT_DECLs.
13014         * Makefile.in (tree.o): Update dependencies.
13015
13016 2004-07-08  Roger Sayle  <roger@eyesopen.com>
13017
13018         * builtins.c (fold_builtin_strcpy): Merge functionality from
13019         simplify_builtin_strcpy.  Add additional len argument.  No longer
13020         static.  Remove function prototype.
13021         (fold_builtin_strncpy): Likewise integrate functionality from
13022         simplify_builtin_strncpy.  Add additional slen argument.  No
13023         longer static.  Remove function prototype.
13024         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
13025         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
13026         types of "ignore" and "unlocked" parameters to bool.
13027         (fold_builtin_1):  Add additional ignore argument.  Call renamed
13028         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
13029         builtins.  Update arguments to fold_builtin_strncpy and
13030         fold_builtin_strcpy.  Add function prototype.
13031         (fold_builtin): Add additional Boolean ignore argument to pass
13032         to fold_builtin_1.
13033         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
13034         and fold_builtin_strncpy instead of simplify_builtin_fputs,
13035         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
13036
13037         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
13038         simplify_builtin_strncpy): Delete function prototypes.
13039         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
13040         fold_builtin_strncpy): Add function prototypes here.
13041         (fold_builtin): Update function prototype with new "bool ignore".
13042
13043         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
13044         (ccp_fold_builtin):  Update call to fold_builtin.  Call
13045         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
13046         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
13047         simplify_builtin_strncpy respectively.
13048         * fold-const.c (fold): Update call to fold_builtin.
13049
13050 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
13051
13052         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
13053         to strcpy.
13054
13055         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
13056         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
13057         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
13058         * calls.c: Remove ifdefs of macros above.
13059         * functions.c: Likewise.
13060         * expr.c: Likewise.
13061
13062 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13063
13064         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
13065         (arch attribute): Delete.
13066         (current_function_calls_alloca attribute): Rename into calls_alloca.
13067         (calls_eh_return): New attribute.
13068         (leaf_function): Likewise.
13069         (length attribute): Fix formula for sibcalls.
13070         (return insn): Correctly compute the 'length' attribute.
13071         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
13072
13073 2004-07-08  Richard Henderson  <rth@redhat.com>
13074
13075         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
13076         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
13077         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
13078         * tree-eh.c (lower_eh_constructs_1): Likewise.
13079         * tree-sra.c (sra_walk_modify_expr): Likewise.
13080         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
13081         (eliminate_unnecessary_stmts): Likewise.
13082         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13083         * tree-tailcall.c (optimize_tail_call): Likewise.
13084         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
13085
13086 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13087             Jakub Jelinek  <jakub@redhat.com>
13088
13089         * config/i386/i386.c (override_options): Enable
13090         SSE prefetches with -mtune, as long as we are
13091         compiling for i686 or higher.  All i686 processors
13092         accept SSE prefetches as NOPS, some i586's don't.
13093
13094 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13095
13096         PR target/10567
13097         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
13098
13099 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
13100
13101         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
13102         the handling of clobbering ASM_EXPRs.
13103
13104 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13105
13106         PR target/16430
13107         * config/sparc/sparc.c (function_value): In 64-bit mode,
13108         return the aggregates larger than 16 bytes like unions.
13109
13110 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13111
13112         PR target/16199
13113         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
13114         'temp' is zero, generate new pseudos as needed and emit the
13115         sequence of insns in single-assignment form.  Resync comments
13116         with code.
13117         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
13118         function before reload.
13119
13120 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
13121
13122         * vec.c (vec_assert_fail): Remove duplicate 'function'.
13123
13124         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
13125
13126         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
13127         Allocation is signed.
13128         (VEC_reserve): Return flag, allocation is signed.
13129
13130 2004-07-08  Richard Henderson  <rth@redhat.com>
13131
13132         * tree-ssa-ccp.c (fold_stmt): Get type directly from
13133         OBJ_TYPE_REF_OBJECT.
13134
13135 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
13136             Neil Booth  <neil@daikokuya.co.uk>
13137
13138         PR c/2511
13139         PR c/3325
13140         * c-decl.c (finish_struct): Ensure bit-fields are given the
13141         correct type.
13142         * c-common.c (c_common_signed_or_unsigned_type): For C, require
13143         the precision to match as well as the mode.
13144         * expr.c (reduce_to_bit_field_precision): New function.
13145         (expand_expr_real_1): Reduce expressions of bit-field type to
13146         proper precision.
13147         * langhooks.h (reduce_bit_field_operations): New hook.
13148         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
13149         Define.
13150         * c-lang.c, objc/objc-lang.c
13151         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
13152         * objc/objc-act.c (check_ivars): Convert types to bit-field types
13153         before checking.
13154         * tree.c (build_nonstandard_integer_type): New function.
13155         * tree.h (build_nonstandard_integer_type): New prototype.
13156         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
13157         conversions between integer and boolean types as useless.
13158
13159 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13160
13161         * c-common.c (c_common_nodes_and_builtins): Do not
13162         create __builtin_ptrdiff_t and __builtin_size_t.
13163
13164 2004-07-08  Andrew Pinski  <apinski@apple.com>
13165
13166         * Makefile.in (libbackend.o): Add -combine to the gcc
13167         command line.
13168
13169 2004-07-08  Nick Clifton  <nickc@redhat.com>
13170
13171         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
13172         Set to -Os.
13173
13174 2004-07-08  Richard Henderson  <rth@redhat.com>
13175
13176         * except.c (expand_eh_region_start, expand_eh_region_end,
13177         expand_eh_handler, expand_eh_region_end_cleanup,
13178         expand_start_all_catch, expand_start_catch, expand_end_catch,
13179         expand_end_all_catch, expand_eh_region_end_allowed,
13180         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
13181         expand_eh_region_end_fixup): Remove.
13182         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
13183         cleanups, outer_cleanups, label_chain, exception_region.
13184         (struct goto_fixup): Remove stack_level, cleanup_list_list.
13185         (struct label_chain): Remove.
13186         (struct stmt_status): Remove x_stack_block_stack.
13187         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
13188         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
13189         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
13190         end_cleanup_deferral, last_cleanup_this_contour,
13191         containing_blocks_have_cleanups_or_stack_level,
13192         any_pending_cleanups): Remove.
13193         (expand_null_return_1): Take no arguments.
13194         (expand_label, expand_naked_return, expand_return,
13195         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
13196         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
13197         expand_end_case_type): Don't use any of them.
13198         * calls.c (expand_call): Likewise.
13199         * dojump.c (do_jump): Likewise.
13200         * function.c (expand_function_end): Likewise.
13201         * expr.c (store_expr, expand_expr_real_1): Likewise.
13202         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
13203         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
13204         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
13205         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
13206         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
13207         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
13208         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
13209         for WITH_CLEANUP_EXPR.
13210         (gimple_push_cleanup): Likewise.
13211         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
13212         * print-tree.c (print_node): Likewise.
13213         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
13214         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
13215         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
13216         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
13217         (GOTO_SUBROUTINE_EXPR): Remove.
13218         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
13219         (DECL_TOO_LATE): Remove.
13220         * except.h, tree.h: Update decls.
13221
13222 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13223
13224         * explow.c (optimize_save_area_alloca): Do not accept parameters.
13225         * passes.c (rest_of_handle_final): Handle symout.
13226         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
13227         Push timevar here.
13228         (rest_of_handle_sched): Break out SMS.  Remove ifs for
13229         flag_schedule_insns and flag_modulo_sched.
13230         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
13231         collect at the end.
13232         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
13233         (rest_of_handle_partition_blocks, rest_of_handle_sms,
13234         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
13235         rest_of_handle_mode_switching, rest_of_handle_jump,
13236         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
13237         rest_of_handle_jump2, rest_of_handle_postreload,
13238         rest_of_handle_flow2, rest_of_clean_state,
13239         rest_of_handle_shorten_branches,
13240         rest_of_handle_prologue_epilogue,
13241         rest_of_handle_branch_target_load_optimize): New.
13242         (rest_of_compilation): Call the above.  Remove ggc_collect
13243         calls moved to rest_of_handle_*.
13244         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
13245
13246         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
13247         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
13248         * except.h (set_nothrow_function_flags): Update comment.
13249         * function.c (current_function_nothrow): Remove.
13250         * output.h (current_function_nothrow): Remove.
13251         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
13252         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
13253
13254 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13255
13256         PR bootstrap/16326
13257         * reorg.c: Revert 2004-06-30 change.
13258         (find_end_label): If HAVE_epilogue and !HAVE_return,
13259         return 0 instead of creating a label at the end of the insn chain.
13260         (optimize_skip): Account for the failure mode of find_end_label.
13261         (fill_simple_delay_slots): Likewise.
13262         (fill_slots_from_thread): Likewise.
13263         (relax_delay_slots): Likewise.
13264
13265 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
13266
13267         * tree-flow.h (addressable_vars): Declare.
13268         * tree-ssa-alias.c (addressable_vars): Define.
13269         (setup_pointers_and_addressables): Add addressable variables
13270         to addressable_vars.
13271         * tree-ssa-operands.c (get_stmt_operands): Move
13272         handling of ASM_EXPRs ...
13273         (get_asm_expr_operands): ... here.
13274         When the ASM_EXPR clobbers memory, also clobber addressable
13275         variables.
13276         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
13277         (delete_tree_ssa): Reset addressable_vars.
13278
13279 2004-07-07  Jan Beulich  <jbeulich@novell.com>
13280             Richard Henderson  <rth@redhat.com>
13281
13282         * varasm.c (assemble_variable): Use assemble_zeros for
13283         zero-initialized variables.
13284         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
13285         for SECCAT_BSS and SECCAT_TBSS.
13286
13287 2004-07-07  Jan Beulich  <jbeulich@novell.com>
13288
13289         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
13290
13291         * expmed.c (emit_store_flag): Also special-case double-word
13292         (in-)equality comparison against -1.
13293
13294         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
13295         passing arguments the containers for which are registers.
13296
13297         * calls.c (emit_library_call_value_1): Use mode of function parameter
13298         rather than that of argument since constants have none.
13299
13300 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
13301
13302         Introduce H8SX support.
13303         * expr.c (expand_strcpy): Renamed and moved to...
13304         * builtins.c (expand_movstr): ... here.  Tweak.
13305         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
13306         computed or has side effects.
13307         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
13308         unused, or if mempcpy fails.  Adjust the return value in the
13309         latter case.  Use movstr if everything else fails.
13310         * doc/md.texi (movstr): Document.
13311         (movmemM, clrmemM): Fix explanation of memory block operands.
13312         * config/h8300/h8300.md (stpcpy): Renamed to...
13313         (movstr): ... this.  Adjust.
13314         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
13315         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
13316         movmem* and clrstr* to clrmem*.
13317         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
13318         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
13319         GENERAL_REGS, always.
13320         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
13321         getting the stack pointer as addr.
13322         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
13323         from general_operand_dst.
13324         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
13325         variant of...
13326         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
13327         instead of requiring it to match only before reload.
13328         (stpcpy_internal_normal): New, normal-mode variant of...
13329         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
13330         `D' instead of requiring it to match only before reload.
13331         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
13332         mode argument.
13333         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
13334         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
13335         h8300_get_index.
13336         * config/h8300/h8300.md (attr type): Add call.
13337         (attr can_delay): If type is call, set it no.
13338         (call, call_value): Set type to call.
13339         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
13340         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
13341         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
13342         * tree.c (get_narrower): Don't narrow integral types into
13343         non-integral types.
13344         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
13345         frame_size *before* the first use.
13346         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
13347         on input.
13348         (peephole2): Don't widen instructions that push SP.  Move
13349         decrement of SP to the end of all stm-generating peepholes.
13350         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
13351         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
13352         and OR to set it to all ones.
13353         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
13354         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
13355         (call, call_value): Set can_delay to "no".
13356         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
13357         * config/h8300/h8300.md (extzv): Make subreg check more robust.
13358         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13359         * config/h8300/h8300.md (*brabit): Remove.
13360         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
13361         zero_extract.  Use bit_memory_operand as the predicate for
13362         operand 1 and 'WU' as the constraint.  Check the difference
13363         between the base length and the final one when deciding which
13364         type of branch to use.
13365         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13366         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
13367         Use convert_move to extend the result for TARGET_H8300SX.  Check
13368         for QImode memory references.  Optimize the case where the
13369         destination is a paradoxical subreg.
13370         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13371         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
13372         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
13373         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13374         * config/h8300/h8300.md: Include mova.md
13375         (length_table): Add mova and mova_zero.
13376         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
13377         after all constant addresses for '%R', '%X', '%T' and '%S'.
13378         (h8300_mova_length): New function.
13379         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
13380         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
13381         dependencies for s-config, etc.
13382         * config/h8300/gemova.sh: New file.
13383         * config/h8300/mova.md: Generated.
13384         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
13385         * config/h8300/h8300.c (h8300_bitfield_length): New.
13386         (nibble_operand): Adjust.
13387         (h8300_binary_length): Handle conditional binary op.
13388         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
13389         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
13390         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
13391         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
13392         constraints.  WU is introduced as a variant of U that requires a
13393         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
13394         * config/h8300/h8300.md (attr type): Added bitbranch.
13395         (attr length_table): Added bitfield and bitbranch.
13396         (attr length): Compute bitbranch length.
13397         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
13398         least-significant bit of a byte.
13399         (brabit, brabc, brabs): New.
13400         (insv, extzv): Emit bfst and bfld on H8300SX.
13401         (bfld, bfst, seq, sne): New.
13402         (bstzhireg, cmpstz, bstz, bistz): New.
13403         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
13404         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
13405         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
13406         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
13407         (h8sx_unary_memory_operator): New function.
13408         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
13409         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
13410         * config/h8300/h8300.md: Add peepholes to combine reloads and
13411         arithmetic insns.
13412         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
13413         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
13414         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
13415         (and?i, ior?i, xor?i): Likewise.
13416         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
13417         * config/h8300/h8300.c: Move enums and prototypes to head of file.
13418         Various whitespace fixes.
13419         (h8300_constant_length): New function, split out from...
13420         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
13421         (h8300_classify_operand): Use IN_RANGE.
13422         (h8300_classify_operand): Use h8300_constant_length.
13423         (h8300_short_move_mem_p): Tighten size check.
13424         (h8sx_mergeable_memrefs_p): Tighten equality check.
13425         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
13426         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
13427         for -msx.
13428         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
13429         * config/h8300/crtn.asm: Likewise.
13430         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
13431         if __H8300SX__ is defined.
13432         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
13433         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
13434         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
13435         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
13436         addresses as mode-dependent.
13437         * config/h8300/h8300.c (print_operand_address): Update call to
13438         h8300_get_index.
13439         (h8300_get_index): Take a mode argument.  Rework to fix an
13440         earlier misunderstanding.
13441         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
13442         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
13443         into a register if TARGET_H8300SX.
13444         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
13445         TARGET_H8300SX.  Also disable related define_splits.
13446         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
13447         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
13448         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
13449         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
13450         * config/h8300/h8300.h (OK_FOR_Z): New macro.
13451         (EXTRA_CONSTRAINT_STR): Check it.
13452         * config/h8300/h8300.c (h8300_classify_operand): Accept null
13453         class arguments.
13454         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
13455         * config/h8300/h8300.md (length_table): Add mov_imm4.
13456         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
13457         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
13458         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
13459         be a label.
13460         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
13461         * config/h8300/h8300.c (h8300_reorg): New function.
13462         (TARGET_MACHINE_DEPENDENT_REORG): Define.
13463         * config/h8300/h8300.md (length): Subtract the length of the
13464         delay slot from (pc) when checking the range of forward branches.
13465         (delay_slot, can_delay): New attributes.
13466         (define_delay): Add bra/s handling.
13467         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
13468         (jump): Add delayed-branch handling.
13469         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
13470         * expr.c (expand_strcpy): New function.
13471         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
13472         (expand_builtin_stpcpy): Likewise.
13473         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
13474         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
13475         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
13476         handling to improve register allocation for -fno-omit-frame-pointer.
13477         (h8sx_split_movmd): Delete, moving er6 handling into...
13478         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
13479         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
13480         (movmd): Add calls to copy_rtx.
13481         (movmd_internal): In the second alternative, allow the initial and
13482         final destination registers to be different .  Update the splitter
13483         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
13484         instead of h8sx_split_movmd.
13485         (stpcpy, movsd): New expanders.
13486         (movsd_internal): New define_insn.
13487         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
13488         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
13489         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
13490         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
13491         and DESTINATION_REGS.
13492         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
13493         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
13494         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
13495         (h8300_move_ratio): Declare.
13496         (MOVE_RATIO): Use it.
13497         * config/h8300/h8300.c (h8300_move_ratio): New variable.
13498         (h8300_init_once): Initialize it.
13499         (h8300_reg_class_from_letter): New function.
13500         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
13501         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
13502         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
13503         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
13504         (movstrsi, movmd): New expanders.
13505         (movmd_internal): New insn.
13506         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
13507         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
13508         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
13509         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
13510         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
13511         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13512         * config/h8300/h8300.c (nibble_operand): Fix warning.
13513         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
13514         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
13515         (movsf_h8300h): Disable for TARGET_H8300SX.
13516         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13517         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
13518         h8300_stm_parallel and h8300_return_parallel.
13519         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
13520         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
13521         h8300_stm_parallel, h8300_return_parallel): New functions.
13522         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
13523         if TARGET_H8300SX.  Use h8300_push_pop.
13524         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
13525         and final pop when generating h8sx code.  Always emit some form
13526         of return insn.
13527         * config/h8300/h8300.md: Don't enforce register alignment in
13528         stm peepholes if TARGET_H8300SX.
13529         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
13530         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
13531         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
13532         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13533         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
13534         (MULTILIB_DIRNAMES): Add a directory for it.
13535         (MULTILIB_MATCHES): Delete.
13536         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
13537         * final.c (walk_alter_subreg): Handle addresses with subregs
13538         inside a ZERO_EXTEND or AND.
13539         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
13540         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
13541         if TARGET_H8300SX.
13542         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
13543         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
13544         @(dd,Rn.w) and @(dd,ERn.L).
13545         (h8300_displacement_size): Take the whole address as argument.
13546         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
13547         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
13548         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
13549         (h8sx_mergeable_memrefs_p): Declare.
13550         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
13551         (HAVE_PRE_INCREMENT): Likewise.
13552         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
13553         addresses for TARGET_H8300SX,
13554         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
13555         and POST_DEC.
13556         (movb_length_table, movl_length_table): New tables.
13557         (movw_length_table): Define to movb_length_table.
13558         (h8300_displacement_size): New, split out from...
13559         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
13560         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
13561         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
13562         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
13563         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
13564         (compute_plussi_length, compute_plussi_cc): Update accordingly.
13565         (h8sx_unary_shift_operator): Get the mode from the operator.
13566         (binary_shift_operator): Likewise.
13567         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
13568         a memory reference, check whether the reference is offsettable.
13569         (length_table): Add movb, movw and movl.
13570         (movqi): Add new h8sx pattern.  Don't force one operand to be a
13571         register when generating h8sx code.
13572         (movhi, movsi, movsf): Likewise.
13573         (movstrictqi): Use the length_table attribute.
13574         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
13575         (addqi3): Split into a define_expand and define_insn.  Don't accept
13576         memory operands in the expander.  Use h8300_operands_match_p to
13577         check for matching operands in the define_insn.
13578         (subqi3, negqi2, one_cmplqi2): Likewise.
13579         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
13580         in any patterns that are unused in h8sx code.  In the h8sx patterns,
13581         use h8300_operands_match_p to check whether operands match.
13582         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
13583         one_cmpl[hs]i3): Likewise.
13584         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
13585         in the expander.
13586         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
13587         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
13588         (h8300_insn_length_from_table): Add a second parameter.
13589         (output_h8sx_shift): Declare.
13590         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
13591         (EXTRA_CONSTRAINT): Replace with...
13592         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
13593         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
13594         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
13595         and h8sx_binary_shift_operator.
13596         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
13597         for TARGET_H8300SX.
13598         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
13599         (bit_memory_operand, fix_bit_operand): Likewise.
13600         (h8300_length_table_for_insn): Remove.
13601         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
13602         instructions.
13603         (h8300_short_immediate_length, h8300_binary_length): New functions.
13604         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
13605         (output_plussi): Use sub to add negative constants.
13606         (compute_plussi_length): Adjust accordingly.
13607         (h8sx_single_shift_type): New enum.
13608         (h8sx_single_shift, h8sx_unary_shift_operator,
13609         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
13610         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
13611         single h8sx instruction.  Return false in this case.
13612         * config/h8300/h8300.md (length_table): Add short_immediate.
13613         (length): Pass the operand array to h8300_insn_length_from_table.
13614         (adjust_length): Assume "no" for insns with a length_table attribute.
13615         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
13616         (*addhi3_h8300hs): Don't use for h8sx.
13617         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
13618         and sub.w #xx:3.
13619         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
13620         1's predicate to nonimmediate_operand.  Only skip default expansion
13621         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
13622         for single h8sx shift instructions.
13623         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
13624         * config/h8300/h8300.c (nibble_operand): Split out of...
13625         (reg_or_nibble_operand): ... this.
13626         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
13627         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
13628         umulhisi3): Introduce expand, and introduce separate insns for
13629         sign- or zero-extended REG and already-extended CONST_INT.
13630         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
13631         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
13632         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
13633         (subhi3): Likewise.  Don't accept immediates for operand 1.
13634         Remove the early clobber from second alternative of the h8300s pattern.
13635         (subsi3): Generalize for h8sx.  Force operand 2 into a register
13636         on plain h8300 targets.
13637         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
13638         (subsi3_h8300h): Generalize for h8sx.
13639         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
13640         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
13641         * config/h8300/h8300.c (reg_or_nibble_operand): New.
13642         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
13643         (TARGET_H8300SXMUL): New.
13644         (CONST_OK_FOR_P): New.
13645         (CONST_OK_FOR_LETTER_P): Adjust.
13646         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
13647         umulhisi3): Accept 4-bit immediate on H8SX.
13648         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
13649         (udivsi3, divhi3, udivsi3, divsi3): New.
13650         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
13651         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
13652         * config/h8300/h8300.h (OK_FOR_Q): New macro.
13653         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
13654         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
13655         Add ADDRESSOF to the bit_operand entry.
13656         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
13657         (h8300_src_operand): Likewise.
13658         (bit_operand): Check nonimmediate_operand rather than general_operand.
13659         Accept any nonimmediate_operand in h8sx code.
13660         (h8300_and_costs): Initialize operands[1].
13661         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
13662         (h8300_operand_class): New enum.
13663         (h8300_length_table): New typedef.
13664         (addb_length_table, addw_length_table, addl_length_table,
13665         logicl_length_table): New tables.
13666         (logicb_length_table, logicw_length_table): New macros.
13667         (h8300_classify_operand, h8300_length_from_table,
13668         h8300_length_table_for_insn, h8300_unary_length,
13669         h8300_insn_length_from_table): New functions.
13670         (output_plussi): Only use adds and subs for register destinations.
13671         Disable redundant clause.
13672         (compute_plussi_cc): Likewise.
13673         (compute_plussi_length): Likewise.  Use h8300_length_from_table
13674         to work out the length of an insn.
13675         (output_logical_op): Only use narrower immediate instructions
13676         if the destination is a register.
13677         (compute_logical_op_cc): Likewise.
13678         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
13679         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
13680         * config/h8300/h8300.md (length_table): New attribute.
13681         (length): When an instruction has a length_table attribute, use
13682         h8300_insn_length_from_table to calculate its default length.
13683         (cmpqi): Use h8300_dst_operand for the first operand and
13684         h8300_src_operand for the second.
13685         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
13686         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
13687         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
13688         iorsi3, xorhi3, xorsi3): Likewise.
13689         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
13690         so that it allows any combination of operands for TARGET_H8300SX.
13691         (iorqi3, xorqi3): Likewise.
13692         (cmpqi): Use the length_table attribute.
13693         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
13694         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
13695         (cmpqi): Add 'Q' constraint.
13696         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
13697         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
13698         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
13699         * config/h8300/h8300.h (MASK_H8300SX): New macro.
13700         (TARGET_H8300S): True for both -ms and -msx.
13701         (TARGET_H8300SX): New macro.
13702         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
13703         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
13704         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
13705         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
13706         [Temporary change.]
13707         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
13708         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
13709         16-bit pointers and 32-bit ints.
13710         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
13711         CONST_DOUBLE with mode no wider than SImode.
13712         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
13713         output operand.
13714         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
13715         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
13716         or SUBREG thereof.
13717         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
13718         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
13719         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
13720
13721 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
13722
13723         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
13724
13725 2004-07-07  Per Bothner  <per@bothner.com>
13726
13727         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
13728
13729 2004-07-07  Mike Stump  <mrs@apple.com>
13730
13731         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
13732         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
13733         (machopic_finish): Likewise.
13734
13735 2004-07-07  Richard Henderson  <rth@redhat.com>
13736
13737         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
13738         through any value-preserving cast.
13739
13740 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
13741
13742         * function.c (assign_parm_find_data_types): Call
13743         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
13744
13745 2004-07-07  Steven Bosscher  <stevenb@suse.de>
13746
13747         * tree-cfg.c (group_case_labels): Remove case labels that have
13748         the same target as the default case.
13749
13750 2004-07-07  Steven Bosscher  <stevenb@suse.de>
13751
13752         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
13753         regardless of DECL_LANG_SPECIFIC being present or not.
13754         * tree.h (DECL_NUM_STMTS): Purge.
13755
13756 2004-07-07  Andrew Pinski  <apinski@apple.com>
13757
13758         * configure: Regenerate with the right autoconf.
13759
13760 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
13761
13762         * ifcvt.c (total_bb_rtx_cost): New function.
13763         (find_if_case_1): Compare rtx_cost of basic block to cost of
13764         BRANCH_COST insns.
13765         (find_if_case_2): Same.
13766
13767 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13768
13769         PR target/10567
13770         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
13771         (output_return): Likewise.
13772         (output_sibcall): Abort if !flag_delayed_branch.
13773         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
13774         (emit_and_preserve): New function.
13775         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
13776         indirect jump to the thunked-to function if !flag_delayed_branch.
13777         * config/sparc/sparc.md (delayed_branch): New attribute.
13778         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
13779         attribute to compute the length of the insn.
13780         (goto_handler_and_restore): Likewise.
13781
13782 2004-07-07  Andrew Pinski  <apinski@apple.com>
13783
13784         PR tree-optimization/15777
13785         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
13786
13787         * expr.c (expand_expr_real_1): Fix formating.
13788         BUFFER_REF and IN_EXPR are dead.
13789         * fold-const.c (non_lvalue): BUFFER_REF is dead.
13790         * tree-inline.c (estimate_num_insns_1): Likewise.
13791         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
13792         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
13793         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
13794
13795 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
13796
13797         * collect2.c (dump_file): Don't call cplus_demangle if
13798         HAVE_LD_DEMANGLE is defined.
13799         (main): Pass "--demangle" to ld if no_demangle is not 0 and
13800         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
13801         if HAVE_LD_DEMANGLE is defined.
13802
13803         * configure.ac (--with-demangler-in-ld): Added
13804         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
13805         --with-demangler-in-ld is used.
13806         * config.in: Regenerated.
13807         * configure: Likewise.
13808
13809 2004-07-07  Roger Sayle  <roger@eyesopen.com>
13810
13811         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
13812         for simple floating point operations "fp", double precision
13813         multiplication "dmul", and single and double precision division
13814         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
13815         (ppc630_cost): New table split from ppc620_cost, to distinguish
13816         differences in floating point latencies.
13817         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
13818         (rs6000_rtx_costs): Add support for single and double precision
13819         floating point addition, subtraction, multiplication, division,
13820         fused-multiply-add, fused-multiply-sub, negation, absolute value
13821         and negative absolute value.  Tweak MEM case to use prefered idiom.
13822
13823 2004-07-07  Richard Henderson  <rth@redhat.com>
13824
13825         * tree-flow-inline.h (may_propagate_copy): Move...
13826         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
13827         attempt to copy between types requiring conversion.
13828         * tree-flow.h (may_propagate_copy): Update decl.
13829         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
13830
13831 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
13832
13833         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
13834         from -mtune= option.
13835
13836 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
13837
13838         * builtins.c: Rename movstr*, except for movstrict*, to
13839         movmem* and clrstr* to clrmem*.
13840         * expr.c: Likewise.
13841         * expr.h: Likewise.
13842         * genopinit.c: Likewise.
13843         * integrate.c: Likewise.
13844         * local-alloc.c: Likewise.
13845         * optabs.c: Likewise.
13846         * optabs.h: Likewise.
13847         * config/alpha/alpha.h: Likewise.
13848         * config/alpha/alpha.md: Likewise.
13849         * config/arm/arm-protos.h: Likewise.
13850         * config/arm/arm.c: Likewise.
13851         * config/arm/arm.md: Likewise.
13852         * config/avr/avr.md: Likewise.
13853         * config/c4x/c4x.c: Likewise.
13854         * config/c4x/c4x.md: Likewise.
13855         * config/frv/frv.md: Likewise.
13856         * config/i386/i386-protos.h: Likewise.
13857         * config/i386/i386.c: Likewise.
13858         * config/i386/i386.h: Likewise.
13859         * config/i386/i386.md: Likewise.
13860         * config/i860/i860.c: Likewise.
13861         * config/i860/i860.md: Likewise.
13862         * config/ip2k/ip2k.md: Likewise.
13863         * config/ip2k/libgcc.S: Likewise.
13864         * config/ip2k/t-ip2k: Likewise.
13865         * config/m32r/m32r.c: Likewise.
13866         * config/m32r/m32r.md: Likewise.
13867         * config/mcore/mcore.md: Likewise.
13868         * config/mips/mips.c: Likewise.
13869         * config/mips/mips.md: Likewise.
13870         * config/ns32k/ns32k.c: Likewise.
13871         * config/ns32k/ns32k.h: Likewise.
13872         * config/ns32k/ns32k.md: Likewise.
13873         * config/pa/pa.c: Likewise.
13874         * config/pa/pa.md: Likewise.
13875         * config/pdp11/pdp11.h: Likewise.
13876         * config/pdp11/pdp11.md: Likewise.
13877         * config/rs6000/rs6000.c: Likewise.
13878         * config/rs6000/rs6000.md: Likewise.
13879         * config/s390/s390-protos.h: Likewise.
13880         * config/s390/s390.c: Likewise.
13881         * config/s390/s390.md: Likewise.
13882         * config/sh/lib1funcs.asm: Likewise.
13883         * config/sh/sh.c: Likewise.
13884         * config/sh/sh.md: Likewise.
13885         * config/sh/t-sh: Likewise.
13886         * config/sparc/sparc.h: Likewise.
13887         * config/vax/vax.md: Likewise.
13888         * config/xtensa/xtensa.c: Likewise.
13889         * config/xtensa/xtensa.md: Likewise.
13890         * doc/invoke.texi: Likewise.
13891         * doc/md.texi: Likewise.
13892         * doc/rtl.texi: Likewise.
13893
13894 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
13895
13896         PR target/16407
13897         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
13898         * config/mips/mips.c (mips_declare_common_object): New function,
13899         mostly split out from...
13900         (mips_output_aligned_decl_common): ...here.
13901         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
13902         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
13903         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
13904         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
13905
13906 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13907
13908         PR c/16392
13909         * function.c (assign_parms): Fix typo from previous change.
13910
13911 2004-07-07  Jason Merrill  <jason@redhat.com>
13912
13913         PR c++/15815
13914         * doc/extend.texi (C++ Interface): Correct information and
13915         discourage use.
13916
13917 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
13918
13919         PR target/16130
13920         PR target/16142
13921         PR target/16143
13922         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
13923         insn.
13924
13925 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
13926
13927         PR target/1679.
13928         * config/m32r/m32r.c (m32r_function_symbol): New function:
13929         Generate a symbol name RTX with the correct m32r specific flags
13930         set.
13931         (block_move_call): Use new function to generate correct symbol.
13932         * config/m32r/m32r-protos.h: Add prototype for new funcion.
13933         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
13934         function.
13935
13936 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
13937
13938         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
13939         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
13940         TYPE_BINFO_BASETYPE): Remove.
13941         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
13942         to ...
13943         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
13944         here.
13945         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
13946         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
13947         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
13948         (struct tree_binfo): Rename base_types to base_binfos.
13949         * alias.c (record_component_aliases): Adjust BINFO macros.
13950         * dbxout.c (dbxout_type): Likewise.
13951         * dwarf2out.c (gen_member_die): Likewise.
13952         * sdbout.c (sdbout_one_type): Likewise.
13953         * tree-dump.c (deque_and_dump): Likewise.
13954         * config/i386/i386.c (classify_argument,
13955         contains_128bit_aligned_vector_p): Likewise.
13956
13957 2004-07-07  Nick Clifton  <nickc@redhat.com>
13958
13959         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
13960         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
13961
13962 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
13963
13964         * vec.h: Fix the example use.
13965
13966 2004-07-06  Richard Henderson  <rth@redhat.com>
13967
13968         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
13969         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
13970         * tree-inline.c (copy_body_r, setup_one_parameter,
13971         initialize_inlined_parameters, expand_call_inline,
13972         declare_inline_vars): Don't check it.
13973         (expand_calls_inline): Remove old version, rename new version
13974         from gimple_expand_calls_inline.
13975         * tree-optimize.c (execute_gimple): Remove.
13976         (pass_gimple): Don't run anything.
13977
13978 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
13979
13980         * doc/sourcebuild.texi: Use semicolons instead of commas in
13981         section title.
13982
13983 2004-07-06  Richard Henderson  <rth@redhat.com>
13984
13985         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
13986         (sra_walk_modify_expr, scan_init): Likewise.
13987         (generate_element_zero): Check visited before scanning children.
13988         (generate_element_init): Set visited on error.
13989         (scalarize_init): Handle generate_element_init failure similar
13990         to use_block_copy.
13991
13992 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
13993
13994         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
13995         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
13996
13997 2004-07-06  Richard Henderson  <rth@redhat.com>
13998
13999         * config/i386/i386.c (legitimize_pic_address): Make static.
14000         (legitimize_address): Handle CONST with TLS operand.
14001         (ix86_expand_move): Don't call legitimize_pic_address directly.
14002         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
14003
14004 2004-07-06  Roger Sayle  <roger@eyesopen.com>
14005
14006         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
14007         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
14008         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
14009         is currently executed unconditionally, i.e. not in "else_bb".
14010
14011 2004-07-06  Steven Bosscher  <stevenb@suse.de>
14012
14013         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
14014         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14015         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
14016         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14017         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
14018         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14019         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
14020         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14021         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
14022         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14023         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
14024         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14025         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
14026         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14027         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
14028         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14029
14030 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
14031
14032         * dojump.c (do_jump): REFERENCE_EXPR is dead.
14033         * expr.c (expand_expr_real_1): Ditto.
14034         * tree-inline.c (estimate_num_insns_1): Ditto.
14035         * tree-pretty-print.c (dump_generic_node): Ditto.
14036         (op_symbol): Ditto.
14037         * tree.def: Ditto.
14038
14039 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
14040
14041         * tree-ssa-pre.c (reference_node_pool): New pool.
14042         (find_or_generate_expression): Class 'r' is okay too.
14043         (create_value_expr_from): Ditto.
14044         (add_to_sets): LHS should not include vuses.
14045         (eliminate): Ditto.
14046         (compute_avail): Reverse ordering of tests.
14047         Valuize INDIRECT_REF as well.
14048
14049 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
14050
14051         PR rtl-optimization/16380
14052         * loop.c (check_dbra_loop): Sink comparison instructions if they
14053         do something other than set cc0.
14054
14055 2004-07-06  James E Wilson  <wilson@specifixinc.com>
14056
14057         * doc/interface.texi (longjmp and automatic variables): Delete
14058         paragraph recommending taking the address of a variable.
14059
14060 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
14061
14062         * vec.h (VEC_embedded_alloc): Remove.
14063         (VEC_embedded_size, VEC_embedded_init): New.
14064         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
14065         MEM_STAT_INFO.
14066         (VEC_truncate): New.
14067         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
14068         (vec_embedded_alloc): Remove.
14069         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
14070         (vec_embedded_alloc): Remove.
14071
14072 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
14073
14074         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
14075         (gt-langhooks.h): Remove.
14076
14077 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
14078
14079         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
14080
14081 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
14082
14083         * config/sparc/sparc.c (get_pc_symbol): Rename into
14084         add_pc_to_pic_symbol.
14085         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
14086         (load_pic_register): Account for previous changes.
14087         Use reg_names.  Don't create the label twice.
14088         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
14089         UNSPEC_LOAD_PCREL_SYM.
14090         (get_pc): Rename into load_pcrel_sym.  Add predicate to
14091         operands.  Remove condition.
14092
14093 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
14094
14095         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
14096         RECORD, UNION & QUAL_UNION is actually a binfo.
14097
14098         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
14099         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
14100         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
14101         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
14102         * dwarf2out.c (add_data_member_location_attribute): Likewise.
14103         (gen_inheritance_die): Likewise.
14104         * tree-dump.c (deque_and_dump): Likewise.
14105         * doc/c-tree.texi (Binfos): Add under reconstruction note.
14106
14107 2004-07-06  Steven Bosscher  <stevenb@suse.de>
14108
14109         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
14110         Define.
14111         * config/mcore/mcore.md: Model memory latency with a simple DFA
14112         pipeline description instead of a define_function_unit.
14113
14114 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14115
14116         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
14117         * langhooks.h (var_mod_type_p): Likewise.
14118         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
14119         * expr.c (count_type_elements): Properly handle return from
14120         array_type_nelts and properly test for overflow.
14121         * gimplify.c (gimplify_init_constructor): Properly handle return
14122         from array_type_nelts.
14123         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
14124         * integrate.c (copy_decl_for_inlining): Correct comments.
14125         * tree-inline.c (remap_decl): Update comments, remove dead code,
14126         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
14127         (remap_type): Only remap if variably modified by vars in function
14128         being inlined.
14129         (copy_body_r): Use compatible_type langhooks to see when can fold.
14130         (setup_one_parameter): Don't remap type.
14131         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
14132         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
14133         compute TREE_INVARIANT for decl case.
14134         (find_var_from_fn): New function.
14135         (variably_modified_type_p): Add arg and call new function.
14136         * tree.h (variably_modified_type_p): Add extra arg.
14137
14138 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
14139
14140         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
14141         (goto_handler_and_restore_v9): Delete disabled insn.
14142         (goto_handler_and_restore_v9_sp64): Likewise.
14143
14144 2004-07-05  Roger Sayle  <roger@eyesopen.com>
14145
14146         * calls.c (load_register_parameters): Call expand_shift instead
14147         of expand_binop with ashl_optab (or other shift optab) directly.
14148         * expr.c (emit_group_load, emit_group_store): Likewise.
14149         * function.c (assign_parm_setup_block): Likewise.
14150         * stmt.c (shift_return_value): Likewise.
14151
14152 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
14153
14154         * expr.c (expand_assignment): Disable the bitfield += optimizations.
14155
14156 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14157
14158         * doc/sourcebuild.texi: Revert previous patch.
14159
14160 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14161
14162         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
14163         TARGET_MEM_FUNCTIONS.
14164         * system.h: Poison TARGET_MEM_FUNCTIONS.
14165         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
14166         bcmp_libfunc, bzero_libfunc): Remove.
14167         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
14168         bzero_libfunc.
14169         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
14170         * doc/standards.texi: Don't mention calling BSD string functions.
14171         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
14172         * config/vax/t-memfuncs: New.
14173         * config/memcmp.c, config/memcpy.c, config/memmove.c,
14174         config/memset.c: New.
14175         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
14176         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
14177         vax/t-memfuncs.
14178         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
14179         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
14180         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
14181         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
14182         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
14183         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
14184         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
14185         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
14186         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
14187         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
14188
14189 2004-07-05  Richard Henderson  <rth@redhat.com>
14190
14191         * function.c (assign_parm_setup_reg): Properly rename variables in
14192         FUNCTION_ARG_CALLEE_COPIES section.
14193
14194 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
14195
14196         * tree-mudflap.c: Include cgraph.h.
14197         (mf_init_extern_trees): Rename to mudflap_init.  Export.
14198         Rewrite to create synthetic declarations instead of looking
14199         up declarations from mf-runtime.h.
14200         (mf_make_builtin, mf_make_cache_struct_type): New functions.
14201         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
14202         Correct commentary.
14203         (execute_mudflap_function_decls, mudflap_register_call):
14204         Don't call mf_init_extern_trees.
14205         (mudflap_finish_file): Use cgraph_build_static_cdtor.
14206
14207         * tree-mudflap.h: Update prototypes.
14208         * c-mudflap.c: Delete file.
14209         * c-common.c: Include tree-mudflap.h.
14210         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
14211         * Makefile.in: Remove all references to c-mudflap.o.
14212         Update dependencies.
14213
14214 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14215
14216         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
14217         displacements with the spatial-locality cache-control completer.
14218
14219 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
14220
14221         * langhooks.c: Don't include gt-langhooks.h.
14222         (var_labelno): Delete.
14223         (lhd_set_decl_assembler_name): Do not append a distinguishing
14224         number to file-scope internal-linkage declarations for the first
14225         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
14226         the declaration itself (if at block scope), or its containing
14227         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
14228         number.
14229
14230         * opts.c (cur_in_fname): New global.
14231         * opts.h: Declare it.
14232         * tree.c: Include opts.h.
14233         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
14234         DECL_UID equal to cur_in_fname.
14235         (copy_node_stat): Do not change DECL_UID when copying a
14236         TRANSLATION_UNIT_DECL.
14237         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
14238         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
14239
14240         * c-decl.c (c_static_assembler_name): Delete.
14241         * c-tree.h (c_static_assembler_name): Delete prototype.
14242         * c-lang.c, objc/objc-lang.c: Don't override
14243         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
14244
14245         * Makefile.in (tree.o): Update dependencies.
14246         (GTFILES): Remove langhooks.c.
14247
14248 2004-07-05  Roger Sayle  <roger@eyesopen.com>
14249
14250         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
14251         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
14252         Normalize "X % C" as "X % -C" for signed modulus and negative C.
14253         Optimize "X % -Y" as "X % Y" for signed modulus.
14254         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
14255         into "((unsigned) X % Y) == 0".
14256
14257 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14258
14259         * sourcebuild.texi (Config Fragments): Use @comma{} in
14260         cross-reference to section title.
14261
14262 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14263
14264         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
14265         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
14266         (gimplify_target_expr, gimplify_expr): Likewise.
14267         (copy_if_shared_r): No longer need special case for BIND_EXPR.
14268         (unshare_body, unvisit_body): Only look at nested if BODY_P is
14269         whole function.
14270         (gimplify_compound_lval): See if we can strip any useless conversion.
14271         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
14272         from RHS, not LHS.
14273         (gimplify_modify_expr_to_memset): Likewise.
14274         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
14275         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
14276         (declare_inline_vars): Likewise.
14277         (walk_type_fields): New function.
14278         (walk_tree): Use it.
14279         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
14280
14281         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
14282         (sra_walk_modify_expr): Allow init function to fail.
14283         (scan_init): Now returns bool.
14284         (generate_element_init): If can't understand INIT, return false.
14285         (scalarize_init): Return false if generate_element_init does.
14286
14287         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
14288         print bounds.
14289
14290         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
14291         bounds if bounds aren't constant.
14292
14293         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
14294
14295         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
14296         to type hooks; remove bogus PARAMS.
14297
14298 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
14299
14300         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
14301         * dwarf2out.c (add_data_member_location_attribute): Check for
14302         TREE_BINFO.
14303         * tree.c (tree_node_kinds): Add "binfos".
14304         (binfo_lang_slots): New.
14305         (make_node_stat): Add TREE_BINFO.
14306         (make_tree_binfo_stat): New.
14307         (tree_node_structure): Add TREE_BINFO.
14308         * tree.def (TREE_BINFO): New.
14309         * tree.h (REC_OR_UNION_CHECK): Rename to ...
14310         (RECORD_OR_UNION_CHECK): ... here.
14311         (NOT_RECORD_OR_UNION_CHECK): New.
14312         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
14313         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
14314         RECORD_OR_UNION_CHECK.
14315         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
14316         (TYPE_LANG_SLOT_1): New.
14317         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
14318         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
14319         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
14320         (BINFO_ELTS): Remove.
14321         (BINFO_LANG_SLOT): New.
14322         (struct tree_binfo): New.
14323         (binfo_lang_slots): Declare.
14324         (enum tree_node_structure_enum): Add TS_BINFO.
14325         (union tree_node): Add binfo.
14326         (make_tree_binfo_stat): Declare.
14327         (make_tree_binfo): New.
14328         (enum tree_node_kind): Add binfo_kind.
14329
14330         * objc/objc-act.c (start_class, objc_declare_protocols,
14331         start_protocols): Use TYPE_LANG_SLOT_1.
14332         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
14333         to ...
14334         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
14335         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
14336         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
14337         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
14338
14339 2004-07-05  Steven Bosscher  <stevenb@suse.de>
14340
14341         * rtl.h (struct rtx_def): Remove the integrated flag.
14342         Use the return_val flag for MEM_SCALAR_P.
14343         Reshuffle and update flags in CLEAR_RTX_FLAGS.
14344
14345 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
14346
14347         PR target/16357
14348         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
14349         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
14350         move_by_pieces.
14351
14352 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
14353
14354         * var-tracking.c: Fix some comments.
14355         (frame_stack_adjust): New.
14356         (vt_stack_adjustments): Init stack_adjust of entry block to
14357         minus stack adjustment of function prologue.
14358         (adjust_stack_reference): Do not adjust if adjustment == 0.
14359         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
14360         (emit_notes_in_bb): Likewise.
14361         (vt_add_function_parameters): Do not adjust locations of
14362         function arguments.
14363         (vt_initialize): Compute the stack adjustment of function
14364         prologue and offset the initial "location" of frame_base_decl
14365         from the stack pointer after prologue.
14366
14367 2004-07-04  Richard Henderson  <rth@redhat.com>
14368
14369         * function.c (struct assign_parm_data_all): New.
14370         (struct assign_parm_data_one): New.
14371         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
14372         assign_parm_find_data_types, assign_parms_setup_varargs,
14373         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
14374         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
14375         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
14376         assign_parm_setup_block, assign_parm_setup_reg,
14377         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
14378         (assign_parms): ... here.
14379
14380 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
14381
14382         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
14383         now are bitmap_set_t's.
14384         (bitmap_insert_into_set): No point in inserting the value if
14385         it's invariant.
14386         (bitmap_set_contains): New function.
14387         (bitmap_set_replace_value): Add comment on why we do it
14388         this way.
14389         (set_contains): Removed.
14390         (bitmap_set_subtract_from_value_set): New name of
14391         set_subtract now that it's arguments are two different
14392         types of sets.
14393         Update callers.
14394         (bitmap_find_leader): Change algorithm used.
14395         (find_or_generate_expression): Update use of functions for new
14396         bitmap sets.
14397         (create_expression_by_pieces): Ditto.
14398         (insert_aux): Ditto.
14399         (insert): Ditto.
14400         (add_to_sets): Ditto.
14401         (init_pre): Ditto.
14402         (execute_pre): Ditto.
14403         (compute_avail): Ditto.
14404         Also ignore virtual phis.
14405
14406 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
14407
14408         * combine.c (simplify_comparison): Fix comment typo.
14409
14410 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
14411
14412         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
14413         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
14414         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
14415         (output_restore): Change parameter from 'insn' to 'pat'.
14416         (output_return): Adjust call to output_restore.
14417         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
14418         Adjust call to output_restore.
14419
14420 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
14421
14422         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
14423         and assert system is bsd.
14424
14425 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
14426
14427         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
14428         (TARGET_SWITCHES): Remove -mdebugc.
14429         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
14430         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
14431         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
14432         (sle_[sd]i_reg): Delete.
14433
14434 2004-07-04  Steven Bosscher  <stevenb@suse.de>
14435
14436         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
14437         Define.
14438         * config/iq2000/iq2000.md: Translate old pipeline description to an
14439         equivalent new one.
14440
14441 2004-07-04  Roger Sayle  <roger@eyesopen.com>
14442
14443         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
14444         Ensure the replacement rhs is valid gimple before performing
14445         the substitution.  Return false if these sanity checks fail.
14446         (fold_stmt): Only set changed to true, if set_rhs returns true.
14447         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
14448         succeeds.
14449
14450 2004-07-04  Richard Henderson  <rth@redhat.com>
14451
14452         PR c/16348
14453         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
14454
14455 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
14456
14457         * configure.ac (ranlib_flags): New variable.
14458         * Makefile.in (RANLIB_FLAGS): New variable.
14459         (libbackend.a): Use it.
14460         * configure: Regenerated.
14461
14462 2004-07-04  Roger Sayle  <roger@eyesopen.com>
14463
14464         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
14465         a "sign mask" instead of using ashr_optab directly.
14466
14467 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
14468
14469         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
14470         * doc/cppopts.texi: Clarify processing of command-line defines.
14471
14472 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
14473
14474         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
14475
14476 2004-07-04  Richard Henderson  <rth@redhat.com>
14477
14478         * rtl.def (ADDRESSOF): Remove.
14479         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
14480         (find_base_term, memrefs_conflict_p): Likewise.
14481         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
14482         (fold_rtx, cse_insn, set_live_p): Likewise.
14483         * dwarf2out.c (mem_loc_descriptor): Likewise.
14484         (add_location_or_const_value_attribute): Likewise.
14485         * emit-rtl.c (copy_insn_1): Likewise.
14486         * explow.c (memory_address): Likewise.
14487         * expmed.c (store_split_bit_field): Likewise.
14488         * expr.c (expand_expr_real_1): Likewise.
14489         * function.c (instantiate_decl
14490         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
14491         * genrecog.c (preds, validate_pattern): Likewise.
14492         * integrate.c (copy_rtx_and_substitute): Likewise.
14493         * recog.c (general_operand, register_operand): Likewise.
14494         (memory_address_p): Likwise.
14495         * reload1.c (eliminate_regs, elimination_effects): Likewise.
14496         * rtl.c (copy_rtx): Likewise.
14497         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
14498         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
14499         * rtlhooks.c (gen_lowpart_general): Likewise.
14500         * stmt.c (expand_asm_operands): Likewise.
14501         * web.c (entry_register, replace_ref, web_main): Likewise.
14502         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
14503         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
14504         * config/arm/arm.c (thumb_rtx_costs): Likewise.
14505         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
14506         * config/frv/frv.c (move_destination_operand, move_source_operand,
14507         condexec_dest_operand, condexec_source_operand,
14508         condexec_memory_operand): Likewise.
14509         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
14510         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
14511         (destination_xfmode_operand): Likewise.
14512         * config/mips/mips.h (PREDICATE_CODES): Likewise.
14513         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
14514         * config/s390/s390.c (general_s_operand): Likewise.
14515         * config/s390/s390.md (mov*): Likewise.
14516         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
14517
14518         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
14519         * expr.c (expand_expr_real_1): Likewise.
14520         * stmt.c (expand_decl): Likewise.
14521         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
14522
14523         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
14524         postponed_insns, put_var_into_stack, put_reg_into_stack,
14525         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
14526         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
14527         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
14528         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
14529         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
14530         purge_bitfield_addressof_replacements, purge_addressof_replacements,
14531         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
14532         struct insns_for_mem_walk_info, insns_for_mem_walk,
14533         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
14534         setjmp_protect_args): Remove.
14535         (push_function_context_to): Don't handle var_refs_queue.
14536         (pop_function_context_from, free_after_compilation): Likewise.
14537         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
14538         (assign_parms, allocate_struct_function): Likewise.
14539         (use_register_for_decl): New.
14540         (expand_function_end): Don't setjmp_protect.
14541         * function.h (struct emit_status): Update commentary.
14542         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
14543         (max_parm_reg, parm_reg_stack_loc): Remove.
14544         * passes.c (DFI_addressof): Remove.
14545         (dump_file_info): Remove addressof.
14546         (rest_of_handle_addressof): Remove.
14547         (rest_of_compilation): Don't call it.
14548         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
14549         * stmt.c (expand_decl): Use use_register_for_decl.
14550         * tree.h: Update decls.
14551         * web.c (mark_addressof): Remove.
14552         * doc/invoke.texi (-dF): Remove.
14553
14554 2004-07-03  Richard Henderson  <rth@redhat.com>
14555
14556         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
14557         instead of gen_mem_addressof.
14558         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
14559         TImode output register.
14560
14561 2004-07-03  Richard Henderson  <rth@redhat.com>
14562
14563         PR tree-optimization/16341
14564         * tree-sra.c (sra_walk_function): Increment to next stmt before
14565         processing the current stmt.
14566         (sra_insert_after): Always use BSI_SAME_STMT.
14567
14568 2004-07-03  Richard Henderson  <rth@redhat.com>
14569
14570         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
14571         fp plus with minus.
14572
14573 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
14574
14575         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
14576         with tree_int_cst_equal.
14577
14578 2004-07-03  Andreas Schwab  <schwab@suse.de>
14579
14580         * config/ia64/ia64.md: Define new attribute "empty".
14581         (prologue_use, nop_x, insn_group_barrier): Set it.
14582
14583         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
14584         skip over "empty" insns.
14585
14586 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14587
14588         * tree-inline.c (initialize_inlined_parameters): Pass proper function
14589         context to gimplify_body.
14590         (walk_tree): Don't walk into types twice.
14591         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
14592
14593         * tree-sra.c (generate_element_init): Remove any useless conversions.
14594
14595         * gimplify.c (gimplify_conversion): Remove stripping useless
14596         conversions from here.
14597         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
14598         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
14599         Unshare before substituting PLACEHOLDER_EXPR.
14600         (gimplify_modify_expr_to_memset): Likewise.
14601         Pass address of TO to memset, not TO itself.
14602         (gimplify_init_constructor): Make copy of OBJECT so we have it each
14603         time we make an expression (to match a PLACEHOLDER_EXPR).
14604
14605         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
14606         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
14607         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
14608         * tree-ssa-dom.c (local_fold): Likewise.
14609
14610         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
14611         * langhooks.h (strct lang_hooks): New field type_max_size.
14612         * function.c (assign_temp): Call it.
14613
14614 2004-07-03  Steven Bosscher  <stevenb@suse.de>
14615
14616         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
14617         * config/sh/sh.md: Convert the SH1 pipeline description to
14618         a DFA model.
14619
14620 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
14621
14622         * c-decl.c (struct c_binding): Remove contour field; add
14623         depth, invisible, nested fields.
14624         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
14625         (B_IN_EXTERNAL_SCOPE): New convenience macros.
14626         (bind): Add invisible and nested arguments. Initialize
14627         new fields of struct c_binding; adjust loop scanning for
14628         insertion point.
14629         (free_binding_and_advance): Clear structure with memset.
14630         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
14631         in file scope, even if it's in external scope too.
14632         (pushdecl): Adjust to match.  Create invisible file-scope
14633         declarations for block-scope forward declarations of static functions.
14634         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
14635         (undeclared_variable, lookup_label, declare_label, define_label)
14636         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
14637         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
14638         (store_parm_decls_oldstyle): Adjust to match.
14639         (diagnose_mismatched_decls): Correct handling of linkage clashes.
14640         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
14641
14642         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
14643         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
14644
14645 2004-07-02  Richard Henderson  <rth@redhat.com>
14646
14647         * c-decl.c (grokdeclarator): Don't frob current_function_decl
14648         around variable_size.
14649         (set_decl_nonlocal): Remove.
14650         (store_parm_decls): Add stmts for pending sizes.
14651         * calls.c (calls_function, calls_function_1): Remove.
14652         (precompute_arguments): Don't call it.
14653         * cfgexpand.c (set_save_expr_context): Remove.
14654         (tree_expand_cfg): Don't call it.
14655         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
14656         (dwarf2out_finish): Likewise.
14657         * expr.c (emit_block_move): Adjust addresses to BLKmode.
14658         (store_constructor): Don't pre-evaluate SAVE_EXPR.
14659         (safe_from_p): Don't queue SAVE_EXPRs.
14660         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
14661         or build plain VAR_DECLs.
14662         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
14663         (fold): Likewise.
14664         (fold_checksum_tree): Don't special-case SAVE_EXPR.
14665         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
14666         (put_var_into_stack): Don't handle SAVE_EXPR.
14667         (gen_mem_addressof): Likewise.
14668         * function.h (struct function): Remove x_save_expr_regs.
14669         (save_expr_regs): Remove.
14670         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
14671         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
14672         * stor-layout.c (variable_size): Don't set it.
14673         (force_type_save_exprs, force_type_save_exprs_1): Remove.
14674         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
14675         all callers.  Don't set SAVE_EXPR_CONTEXT.
14676         * tree-inline.h (remap_save_expr): Update decl.
14677         * tree.c (save_expr): Update build size.
14678         (first_rtl_op): Don't handle SAVE_EXPR.
14679         (unsave_expr_1, contains_placeholder_p): Likewise.
14680         (decl_function_context): Likewise.
14681         * tree.def (SAVE_EXPR): Remove args 1 and 2.
14682         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
14683         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
14684
14685 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
14686
14687         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
14688         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
14689         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
14690         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
14691         some first-person references and patronizing comments.  Based on
14692         printed manual.
14693         * doc/invoke.texi: Don't reference fortran@gnu.org.
14694         * doc/trouble.texi (Warning when a non-void function value is
14695         ignored): Rewrite.  From Russ Allbery and Chris Devers.
14696
14697 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
14698
14699         * tree-ssa-pre.c (bitmap_set_t): New.
14700         (bb_value_sets): avail_out is now a bitmap_set_t.
14701         (bitmap_find_leader): New function.
14702         (bitmap_value_insert_into_set): Ditto.
14703         (bitmap_set_copy): Ditto.
14704         (bitmap_value_replace_in_set): Ditto.
14705         (bitmap_set_contains_value): Ditto.
14706         (bitmap_set_new): Ditto.
14707         (bitmap_set_pool): New pool.
14708         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
14709         (insert_aux): Ditto.
14710         (add_to_sets): Ditto.
14711         (compute_avail): Ditto
14712         (eliminate): Ditto.
14713         (init_pre): Ditto.
14714         (fini_pre): Ditto.
14715         (execute_pre): Ditto.
14716
14717 2004-07-02  Roger Sayle  <roger@eyesopen.com>
14718
14719         * config/rs6000/rs6000.c (struct processor_costs): New structure
14720         used to hold instruction latencies/sizes for processor types.
14721         (rs6000_cost): New global variable pointing to current CPU's costs.
14722         (rs6000_override_options): Initialize rs6000_cost to point to the
14723         appropriate cost table based upon rs6000_cpu and optimize_size.
14724         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
14725         timings inline.
14726
14727 2004-07-02  Richard Henderson  <rth@redhat.com>
14728
14729         * expmed.c (make_tree): Don't use SET_DECL_RTL.
14730
14731 2004-07-02  Steven Bosscher  <stevenb@suse.de>
14732
14733         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
14734
14735 2004-07-01  Richard Henderson  <rth@redhat.com>
14736
14737         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
14738         (alpha_gp_save_rtx): Use assign_stack_local instead of
14739         gen_mem_addressof.
14740
14741 2004-07-01  Richard Henderson  <rth@redhat.com>
14742
14743         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
14744         (alpha_rtx_cost_data): Update to match.
14745         (alpha_rtx_cost_size): New.
14746         (alpha_rtx_costs): Honor optimize_size.
14747
14748 2004-07-01  Richard Henderson  <rth@redhat.com>
14749
14750         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
14751         * cfgexpand.c (tree_expand_cfg): Do it here.
14752         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
14753         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
14754         * config/mips/mips.c (mips_output_mi_thunk): And here.
14755         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
14756         * config/sh/sh.c (sh_output_mi_thunk): And here.
14757         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
14758
14759 2004-07-01  Richard Henderson  <rth@redhat.com>
14760
14761         * tree.def (RTL_EXPR): Remove.
14762         * c-typeck.c (lvalue_p): Don't handle it.
14763         * expr.c (safe_from_p): Likewise.
14764         (expand_expr_real_1): Likewise.
14765         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
14766         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
14767         * gengtype.c (adjust_field_tree_exp): Likewise.
14768         * stmt.c (warn_if_unused_value): Likewise.
14769         * tree-gimple.c (recalculate_side_effects): Likewise.
14770         * tree-pretty-print.c (dump_generic_node): Likewise.
14771         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
14772         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
14773         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
14774
14775         * stmt.c (struct stmt_status): Remove x_last_expr_type,
14776         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
14777         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
14778         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
14779         all the bits that tracked last_expr.
14780         (expand_end_bindings): Don't track last_expr.
14781         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
14782         (clear_last_expr): Remove.
14783         (expand_asm): Don't call it.
14784         (expand_asm_operands, expand_end_cond): Likewise.
14785         (expand_naked_return, expand_null_return_1): Likewise.
14786         * c-typeck.c (c_begin_compound_stmt): Likewise.
14787         * cfgexpand.c (expand_block): Use expand_expr_stmt.
14788         * expr.c (expand_expr_real_1): Likewise.
14789         * tree.h: Update prototypes.
14790
14791         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
14792         (struct emit_status): Remove sequence_rtl_expr.
14793         (struct function): Remove x_rtl_expr_chain.
14794         (seq_rtl_expr, rtl_expr_chain): Remove.
14795         * function.c (struct temp_slot): Remove rtl_expr.
14796         (assign_stack_temp_for_type): Don't set it.
14797         (free_temp_slots, pop_temp_slots): Don't check it.
14798         (free_after_compilation): Don't clear x_rtl_expr_chain.
14799         (fixup_var_refs): Don't search it.
14800         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
14801         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
14802         or seq_rtl_expr.
14803         (push_topmost_sequence): Likewise.
14804         (end_sequence, init_emit): Likewise.
14805         (start_sequence_for_rtl_expr): Remove.
14806         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
14807         * rtl.h (preserve_rtl_expr_result): Remove.
14808
14809 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
14810
14811         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
14812         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
14813         typos.
14814
14815 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
14816
14817         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
14818         (STANDARD_STARTFILE_PREFIX_2): Define.
14819         (standard_startfile_prefix_1): Initialize to
14820         STANDARD_STARTFILE_PREFIX_1.
14821         (standard_startfile_prefix_2): Initialize to
14822         STANDARD_STARTFILE_PREFIX_2.
14823         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
14824         (STANDARD_STARTFILE_PREFIX_1): Define.
14825         (STANDARD_STARTFILE_PREFIX_2): Define.
14826         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
14827         (STANDARD_STARTFILE_PREFIX_2): Document.
14828
14829 2004-07-01  Richard Henderson  <rth@redhat.com>
14830
14831         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
14832         in order to disable scalarization.  Instead set a flag and wait
14833         for a candidate decl.
14834
14835 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
14836
14837         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
14838         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
14839         Use terminology "testsuite" and "enumerated".
14840
14841 2004-07-01  Richard Henderson  <rth@redhat.com>
14842
14843         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
14844         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
14845         (initial_return_save): Likewise.
14846         (flush_queued_reg_saves): Remap register numbers.
14847         (dwarf2out_return_reg): Likewise.
14848
14849 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14850
14851         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
14852
14853         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
14854         access functions for lower bound and element size and only output
14855         if lower bound nonzero or element size not same as that of type.
14856         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
14857
14858 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
14859
14860         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
14861
14862 2004-07-01  Per Bothner  <per@bothner.com>
14863
14864         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
14865
14866 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
14867
14868         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
14869         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
14870         first operand.  Don't optimize if the bitfield is volatile.
14871
14872 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
14873
14874         * c-pretty-print.c (pp_c_postfix_expression): Handle
14875         floating-point comparison operators.
14876         (pp_c_expression): Pass floating-point comparison
14877         operators to pp_c_postfix_expression.
14878
14879 2004-07-01  Roger Sayle  <roger@eyesopen.com>
14880
14881         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
14882         rtx_cost instead of "had_mult" to determine whether the transformed
14883         expression is cheaper than the original.
14884
14885 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
14886
14887         * alias.c (get_alias_set, canon_rtx, get_addr,
14888         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
14889         Use MEM_P.
14890         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
14891         expand_builtin): Likewise.
14892         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
14893         Likewise.
14894         * combine.c (can_combine_p, combinable_i3pat, try_combine,
14895         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
14896         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
14897         record_dead_and_set_regs_1, get_last_value_validate,
14898         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
14899         * cse.c (check_dependence, canon_hash, equiv_constant,
14900         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
14901         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
14902         count_reg_usage): Likewise.
14903         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
14904         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
14905         cselib_record_sets): Likewise.
14906         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
14907         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
14908         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
14909         * df.c (df_uses_record): Likewise.
14910         * dojump (do_jump): Likewise.
14911         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
14912         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
14913         decl_start_label): Likewise.
14914         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
14915         operand_subword, change_address_1, make_safe_from): Likewise.
14916         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
14917         stabilize, force_not_mem): Likewise.
14918         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
14919         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
14920         * expr.c (convert_move, convert_modes, emit_block_move,
14921         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
14922         emit_move_insn_1, expand_assignment, store_expr,
14923         store_constructor_field, store_constructor, store_field,
14924         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
14925         Likewise.
14926         * final.c (cleanup_subreg_operands, alter_subreg,
14927         get_mem_expr_from_op): Likewise.
14928         * flow.c (notice_stack_pointer_modification_1,
14929         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
14930         Likewise.
14931         * function.c (mark_temp_addr_taken, preserve_temp_slots,
14932         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
14933         optimize_bit_field, flush_addressof, purge_addressof_1,
14934         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
14935         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
14936         keep_stack_depressed): Likewise.
14937         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
14938         noce_process_if_block, find_memory): Likewise.
14939         * integrate.c (subst_constants, allocate_initial_values): Likewise.
14940         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
14941         update_equiv_regs): Likewise.
14942         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
14943         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
14944         * optabs.c (expand_abs, emit_unop_insn): Likewise.
14945         * passes.c (rest_of_handle_final): Likewise.
14946         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
14947         move2add_note_store): Likewise.
14948         * ra-build.c (detect_remat_webs): Likewise.
14949         * ra-debug.c (dump_static_insn_cost): Likewise.
14950         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
14951         * recog.c (validate_change, apply_change_group, cancel_changes,
14952         validate_replace_rtx_1, general_operand, register_operand,
14953         nonmemory_operand, push_operand, pop_operand, memory_operand,
14954         indirect_operand, asm_operand_ok, offsettable_memref_p,
14955         offsettable_nonstrict_memref_p, constrain_operands,
14956         store_data_bypass_p): Likewise.
14957         * reg-stack.c (subst_stack_regs_pat): Likewise.
14958         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
14959         copy_cost, reg_scan_mark_refs): Likewise.
14960         * regmove.c (optimize_reg_copy_3, stack_memref_p,
14961         combine_stack_adjustments_for_block): Likewise.
14962         * regrename.c (copyprop_hardreg_forward_1): Likewise.
14963         * reload.c (can_reload_into, push_reload, decompose, immune_p,
14964         find_reloads, find_reloads_address, find_reloads_address_1,
14965         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
14966         find_equiv_reg): Likewise.
14967         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
14968         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
14969         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
14970         delete_address_reloads): Likewise.
14971         * resource.c (mark_referenced_resources): Likewise.
14972         * rtlanal.c (get_jump_table_offset, count_occurrences,
14973         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
14974         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
14975         num_sign_bit_copies1): Likewise.
14976         * rtlhooks.c (gen_lowpart_general): Likewise.
14977         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
14978         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
14979         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
14980         sdbout_global_decl): Likewise.
14981         * simplify-rtx.c (simplify_subreg): Likewise.
14982         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
14983         expand_anon_union_decl, expand_end_case_type): Likewise.
14984         * unroll.c (calculate_giv_inc): Likewise.
14985         * var-tracking.c (stack_adjust_offset_pre_post,
14986         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
14987         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
14988         vt_add_function_parameters): Likewise.
14989         * varasm.c (make_var_volatile, notice_global_symbol,
14990         assemble_external, decode_addr_const, mark_weak,
14991         default_encode_section_info): Likewise.
14992
14993 2004-07-01  Steven Bosscher  <stevenb@suse.de>
14994
14995         * stmt.c (check_seenlabel): Remove.
14996         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
14997
14998 2004-07-01  Richard Henderson  <rth@redhat.com>
14999
15000         * function.h (struct function): Remove x_function_call_count.
15001         (function_call_count): Remove.
15002         * calls.c (expand_call): Don't set it.
15003         * integrate.c (copy_rtx_and_substitute): Likewise.
15004
15005         * function.h (struct function): Remove x_cleanup_label.
15006         (cleanup_label): Remove.
15007         * stmt.c (expand_value_return): Don't use it.
15008         * function.c (free_after_compilation): Don't set it.
15009         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
15010         * cfgexpand.c (tree_expand_cfg): Update call.
15011         * tree.h (expand_function_start): Update decl.
15012
15013 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
15014
15015         PR c/1027
15016         * c-lang.c (c_initialize_diagnostics): Move from here ...
15017         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
15018         (c_tree_printer): Use pretty-printer to format %T.
15019         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
15020         before '*' if not C++.
15021         (pp_c_direct_abstract_declarator): Don't try to print array upper
15022         bound for flexible array members.
15023         * c-tree.h: Include "diagnostic.h".
15024         (c_initialize_diagnostics): Declare.
15025         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
15026         * c-format.c (format_type_warning): New function.  Improve
15027         diagnostics for incorrect format argument types.
15028         (check_format_types): Use it.  Add two parameters.  Use the
15029         TYPE_MAIN_VARIANT of wanted_type.
15030         (check_format_info_main): Pass new parameters to
15031         check_format_types.
15032         (struct format_wanted_type): Update comment.
15033
15034 2004-07-01  Nick Clifton  <nickc@redhat.com>
15035
15036         * target.h (struct gcc_target): Add new field to struct cxx:
15037         import_export_class.
15038         * target-def.h (TARGET_CXX): Initialise the new field.
15039         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
15040         the new field.
15041         * doc/tm.texi: Document the new target hook.
15042
15043 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
15044
15045         * builtins.c (fold_builtin_classify): Fix typo.
15046
15047 2004-07-01  Richard Henderson  <rth@redhat.com>
15048
15049         * function.c (identify_blocks, identify_blocks_1): Remove.
15050         * function.h (identify_blocks): Remove.
15051         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
15052
15053 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
15054
15055         * builtins.c (fold_builtin_classify): New.
15056         (fold_builtin_unordered_cmp): Fix commentary.
15057         (fold_builtin): Use it.
15058         * builtins.def: Define builtins for isnan,
15059         isnanf, isnanl, finite, finitef, finitel,
15060         isinf, isinff, isinfl.
15061
15062 2004-07-01  Richard Henderson  <rth@redhat.com>
15063
15064         * function.h (struct function): Remove dont_emit_block_notes.
15065         * gimple-low.c (lower_function_body): Don't set it.
15066         * cfgexpand.c (expand_block): Don't check it.
15067         * cfglayout.c (insn_locators_initialize): Likewise.
15068         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
15069         * passes.c (rest_of_compilation): Likewise.
15070         * stmt.c (expand_start_bindings_and_block): Likewise.
15071         (expand_end_bindings): Likewise.
15072
15073 2004-07-01  Richard Henderson  <rth@redhat.com>
15074
15075         * cgraph.h (cgraph_build_static_cdtor): Declare.
15076         * cgraphunit.c (cgraph_build_static_cdtor): New.
15077         * c-objc-common.c (build_cdtor): Use it.
15078         * coverage.c (create_coverage): Likewise.
15079         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
15080         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
15081
15082 See ChangeLog.11 for earlier changes.