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PR c/16566
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1 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
2
3         PR c/16566
4         * c-typeck.c (build_component_ref): Don't special-case
5         COMPOUND_EXPR.
6
7 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
8
9         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
10         returns NULL.
11
12 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
13
14         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
15         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
16         TRUTH_XOR_EXPR): Mention the restriction on types.
17
18 2004-09-22  Matt Austern  <austern@apple.com>
19
20         * config/darwin.c (darwin_make_decl_one_only)
21         Allow coalesced symbol to appear in static archive's table of contents
22         
23 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
24
25         PR tree-optimization/17512
26         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
27         special cases.
28
29 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
30
31         * dbxout.c (get_lang_number): Do not define if
32         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
33
34 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
35
36         PR target/15583
37         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
38         builtin_define ("__USE_INIT_FINI__").
39
40 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
41
42         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
43         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
44         * config/s390/s390.h (TARGET_TPF): New macro.
45         * config/s390/s390.md ("eh_return"): New expander.
46         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
47         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
48         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
49         * config/s390/tpf.h (TARGET_TPF): Define to 1.
50         (STACK_POINTER_OFFSET): Increase to 448.
51         (TARGET_DEFAULT): Set -mtpf-trace on as default.
52         (TPF_LOC_DIFF_OFFSET): New macro.
53         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
54         encoding.
55         (__isPATrange): Add prototype.
56         (MD_FALLBACK_FRAME_STATE_FOR): Define.
57         * config/s390/tpf-eh.c: New file.
58
59 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
60
61         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
62         operands in an integer comparison.
63         * tree-cfg.c (find_taken_edge): Call fold() to determine
64         whether the predicate is known.
65
66 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
67
68         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
69         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
70         Create build and doc directories along with the language directories.
71         Don't create doc directory separately.
72         * configure: Regenerate.
73         * Makefile.in: Create all object and executables files built
74         with the build compiler in a build/ directory.
75         (genobjnames): Add missing build objects.
76         (STAGESTUFF): Don't stage the gen* programs.
77         (ggc-none.o): Define dependencies for the target compiler.
78         (build-print-rtl.o): Rename to build/print-rtl.o.
79         (build-errors.o): Rename to build/errors.o.
80         (build-varray.o): Rename to build/varray.o.
81         (maintainerclean): Delete the contents of the build directory.
82         ($(genobjs): %.o): Explicitly use -o.
83         (build/insn-conditions.o): Delete specfic rule to use generic rule.
84         (build/gengtype-lex.o): Likewise.
85         (build/gengtype-yacc.o): Likewise.
86         (build/gcov-iov.o): Likewise.
87
88 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
89
90         * vec.h (VEC_space): Return true if there _is_ space.
91         (VEC_reserve): Adjust.
92
93 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
94
95         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
96         use FPRs for scalar, complex and vector types only.
97
98 2004-09-21 Jeff Law  <law@redhat.com>
99
100         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
101         the opt_stats_d structure.
102         (vrp_data): Change from a varray into a hash table.
103         (vrp_hash_elt): New structure for elements in the vrp hash table.
104         (vrp_hash, vrp_eq):New functions for hashing and testing equality
105         in the vrp hash table.
106         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
107         initialization slightly to make it easier to read.  No longer need
108         to grow/clear the varray.  Instead empty and delete the hash table.
109         (dom_opt_finalize_block): Update due to change of VRP_DATA from
110         a varray to a hash table.
111         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
112
113         * tree-ssa-ccp.c (get_default_value): If we have a constant
114         value recorded for an SSA_NAME, then use that constant as
115         the initial lattice value.
116         (substitute_and_fold): Transfer equivalences discovered into
117         SSA_NAME_EQUIV.
118  
119         * tree.h (SSA_NAME_EQUIV): Add comments.
120         (SET_SSA_NAME_EQUIV): Similarly.
121
122 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
123
124         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
125
126         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
127
128 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
129
130         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
131         (finish_decl): Likewise.
132
133 2004-09-21  Devang Patel  <dpatel@apple.com>
134
135         * tree.def (VEC_COND_EXPR): New tree node.
136         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
137         
138 2004-09-21  Stan Shebs  <shebs@apple.com>
139
140         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
141         * config/rs6000/darwin-world.asm: Likewise.
142         
143 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
144
145         * tree-ssa.c (verify_def): Use print_generic_stmt,
146         not debug_generic_stmt.
147         (verify_use): Ditto.
148         (verify_phi_args): Ditto.
149         (verify_ssa): Ditto.
150
151 2004-09-21  Paul Brook  <paul@codesourcery.com>
152
153         * varasm.c (default_assemble_integer): Return false for values wider
154         than the target word size.  Works around GAS bug.
155
156 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
157
158         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
159         gets value 0.
160         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
161         if it has value 0.
162
163 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
164
165         * c-typeck.c (build_function_call): Give name of object
166         we are attempting to call in error message.
167         * c-objc-common.c (c_tree_printer): Call pp_expression,
168         not return false, for 'E' case.
169
170 2004-09-21  Steven Bosscher  <stevenb@suse.de>
171
172         PR rtl-optimization/17482
173         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
174         load_killed_in_block_p): Clarify comments.
175         (record_last_reg_set_info): Make static inline.
176         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
177         (record_opr_changes): New function to replace the above.
178         (compute_hash_table): Clarify comments.  Use record_opr_changes.
179         (reg_set_between_after_reload_p): Clean up.
180         (reg_used_between_after_reload_p): Likewise.
181         (eliminate_partially_redundant_load): Clarify comments.
182
183 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
184
185         PR rtl-optimization/17266
186         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
187
188 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
189
190         PR rtl-optimization/14851
191         * rtlanal.c (commutative_operand_precedence): Calculate
192         precedence of stripped constant.
193
194 2004-09-20 Jeff Law  <law@redhat.com>
195            Jan Hubicka  <jh@suse.cz>
196
197         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
198         initialize key elements here.
199         (release_ssa_name): Zero the released SSA_NAME here.
200         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
201         (struct tree_ssa_name): Add new "equiv" field.
202         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
203         (tree_ssa_dominator_optimize): No longer allocate, resize or
204         clear CONST_AND_COPIES.
205         (get_value_for, set_value_for): Kill.
206         (thread_across_edge): Get/set the equivalency using
207         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
208         (restore_vars_to_original_value): Likewise.
209         (record_equivalences_from_phis): Likewise.
210         (record_dominating_conditions): Likewise.
211         (record_const_or_copy, record_equality): Likewise.
212         (lookup_avail_expr): Likewise.
213         (record_equivalences_from_stmt, cprop_operand): Likewise.
214         (cprop_into_successor_phis): No longer need to pass around
215         CONST_AND_COPIES.  Callers updated. Get equivalences via
216         SSA_NAME_EQUIV.
217         (cprop_into_phis): Likewise.
218
219 2004-09-20  Matt Austern <austern@apple.com>
220             Zack Weinberg  <zack@codesourcery.com>
221
222         * c-common.c (fix_string_type): Build the unqualified array
223         type unconditionally, then use c_build_qualified_type to get
224         the proper const-qualified variant, and set its
225         TYPE_MAIN_VARIANT to refer to the unqualified type.
226         * c-lex.c (c_lex_return_raw_string): New global.
227         (c_lex_with_flags): Honor it.
228         * c-pragma.h: Declare it.
229
230 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
231
232         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
233
234 2004-09-21  Jan Hubicka  <jh@suse.cz>
235
236         PR middle-end/17126
237         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
238         (tree_rest_of_compilation): Cleanup.
239
240 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
241
242         * config/s390/s390.c (s390_select_rtx_section): Remove.
243         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
244
245 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
246
247         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
248         note to pretend a direct save from the original register when an
249         intermediate register is used for the save.
250
251 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
252
253         * tsystem.h (alloca): Provide a default definition.
254
255         Revert:
256         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
257             * unwind-dw2.c: Call __builtin_alloca, not alloca.
258
259 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
260
261         PR tree-opt/17558
262         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
263         aliasing sets are the same rather than just conflicting.
264
265 2004-09-20  Jan Hubicka  <jh@suse.cz>
266
267         PR middle-end/16460
268
269         * cgraph.c (cgraph_unnest_node): New function.
270         (c_finalize): Rename to ....
271         (c_warn_unused_result_recursivly): ... this one; do only the warning
272         (finish_function): Finalize the toplevel function; do not lower nested tree.
273         * cgraph.h (cgraph_unnest_node): Declare.
274         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
275         nestedness datastructure.
276         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
277         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
278         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
279
280 2004-09-20  Richard Henderson  <rth@redhat.com>
281
282         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
283         from some_small_symbolic_operand_1; export.
284         (some_small_symbolic_operand): Remove.
285         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
286         extra C check.
287         * config/alpha/predicates.md (some_small_symbolic_operand): New.
288
289 2004-09-20  Jan Hubicka  <jh@suse.cz>
290
291         * predict.c (return_prediction): New function.
292         (apply_return_prediction): Likewise.
293         (tree_bb_level_predictions): Likewise.
294         (tree_estimate_probability): Add noreturn exit edges; call
295         bb_level_predictions; fix logic of return heuristics.
296         (predict_paths_leading_to):  Rescuesce from old CVS version of
297         process_note_prediction function.
298         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
299
300 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
301
302         * config/s390/s390.c (s390_frame_info): Added alignment statement for
303         floating point register area on stack.
304
305 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
306
307         * predict.c (expr_expected_value): Use *_CLASS_P macros.
308
309 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
310
311         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
312         generating useless garbage.
313
314 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
315
316         * builtins.c (fold_builtin): Call the new omonymous
317         target hook for machine-dependent built-ins.
318         * target-def.h (TARGET_FOLD_BUILTIN): New.
319         * target.h (struct gcc_target): Add the fold_builtin hook.
320         * targhooks.c (default_fold_builtin): New.
321         * targhooks.h (default_fold_builtin): Declare it.
322
323 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
324
325         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
326         comment typos.
327
328 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
329
330         PR target/17565
331         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
332
333 2004-09-20  Jan Hubicka  <jh@suse.cz>
334
335         * predict.c (estimate_probability): Remove unnecesary code.
336
337 2004-09-19  Ira Rosen  <irar@il.ibm.com>
338
339         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
340         (STMT_VINFO_VECT_DR_BASE): Declare.
341         (VECT_SMODULO): Declare.
342         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
343         (vect_compute_array_base_alignment): New function.
344         (vect_analyze_data_ref_access): Check array indices. Remove one
345         dimensional arrays restriction.
346         (vect_get_ptr_offset): New function.
347         (vect_get_symbl_and_dr): New function.
348         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
349         (former name vect_get_base_decl_and_bit_offset).
350         (vect_create_index_for_array_ref): Removed.
351         (vect_create_index_for_vector_ref): New function.
352         (vect_create_addr_base_for_vector_ref): New function.
353         (vect_create_data_ref): Handle additional data refs. Call
354         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
355         (vect_compute_data_ref_alignment): Support the changes. Call
356         vect_get_base_and_bit_offset.
357         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
358         data refs. Store vect_dr_base.
359         (vect_analyze_data_ref_accesses): Support nonconstant init.
360         (new_stmt_vec_info): Initialize vect_dr_base field.
361         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
362         (get_vectype_for_scalar_type): Check for BLKmode.
363         * tree-chrec.h (initial_condition_in_loop_num): Declare.
364         * tree-chrec.c (initial_condition_in_loop_num): New function.
365         (chrec_component_in_loop_num): New function.
366         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
367         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
368         to be pointer to varray_type.
369
370 2004-09-19  Jan Hubicka  <jh@suse.cz>
371
372         * basic-block.h (update_bb_profile_after_threading): Declare.
373         * cfg.c (update_bb_profile_after_threading): Break out from ...
374         * cfgcleanup.c (try_forward_edges): ... here; use it.
375         * tree-ssa-dom.c (thread_across_edge): Use it.
376         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
377         profile of the new BB.
378
379 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
380
381         * tree-ssa-pre.c (insert_into_set): Don't put
382         is_gimple_min_invariant values into the set.
383
384 2004-09-19  Andreas Jaeger  <aj@suse.de>
385
386         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
387         prototype.
388
389 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
390
391         * config/cris/cris.h: Preserve the original spelling in a
392         quote.
393
394 2004-09-18 Jeff Law  <law@redhat.com>
395
396         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
397         global varrays to replace the block local varrays.
398         (struct dom_walk_block_data): Remove, no longer used.
399         (get_eq_expr_value): No longer need to pass around pointers to local
400         varrays.  Callers updated.  Unused markers added to unused parameters.
401         (record_range, record_equivalences_from_stmt): Likewise.
402         (record_equivalences_from_incoming_edge): Likewise.
403         (record_var_is_nonzero): Likewise.  Update now that we have a
404         single global varray of SSA_NAMEs that need restoring.
405         (dom_opt_initialize_block_local_data): Kill, no longer used.
406         (tree_ssa_dominator_optimize): Initialize new global varrays.
407         Update callbacks in dominator walker structure.
408         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
409         VRP_VARIABLES_STACK.
410         (restore_nonzero_vars_to_original_value): Update now that we have
411         a single global varray of SSA_NAMEs that need restoring.
412         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
413         Remove unused variables.
414         (optimize_stmt): Remove unused variable.
415
416 2004-09-18  Jan Hubicka  <jh@suse.cz>
417
418         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
419
420         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
421         verify_cgraph call.
422
423 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
424
425         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
426         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
427         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
428         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
429         tree-ssa-operands.c, tree-ssa-phiopt.c,
430         tree-ssa-threadupdate.c: Fix comment typos.
431
432 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
433
434         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
435         config/arm/README-interworking, config/arm/arm-cores.def,
436         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
437         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
438         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
439         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
440         config/frv/frv.md, config/i386/winnt.c,
441         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
442         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
443         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
444         config/mcore/mcore.c, config/mips/mips.h,
445         config/mn10300/mn10300.md, config/pa/pa.c,
446         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
447         config/rs6000/rs6000.c, config/sh/symbian.c,
448         config/sparc/sparc.h: Fix comment typos.  Follow spelling
449         conventions.
450
451 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
452
453         PR c/17424
454         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
455
456 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
457
458         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
459         remove TREE_ADDRESSABLE from RESULT_DECL.
460
461 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
462
463         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
464
465 2004-09-18  Jan Hubicka  <jh@suse.cz>
466
467         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
468         NULL.
469         * tree-ssa-alias.c (init_alias_info): Likewise.
470         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
471         (verify_ssa): Likewise.
472         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
473
474 2004-09-18  Jan Hubicka  <jh@suse.cz>
475
476         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
477         huge offset.
478
479 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
480
481         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
482         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
483         DW_EH_PE_sdata* for data.
484         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
485
486 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
487
488         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
489         shared anyway.
490
491         PR pch/13361
492         * c-typeck.c (constructor_asmspec): Delete.
493         (struct initializer_stack): Delete field 'asmspec'.
494         (start_init): Delete saving of asmspec.
495         (finish_init): Don't update constructor_asmspec.
496         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
497         * stmt.c (expand_asm): Duplicate strings from tree.
498         (expand_asm_operands): Likewise.
499         * tree.c (tree_size): Update computation of size of STRING_CST.
500         (make_node): Don't make STRING_CST nodes.
501         (build_string): Allocate string with tree node.
502         (tree_code_size): Clean up assertions, don't allow requests
503         for "the size of a STRING_CST".
504         * tree.def (STRING_CST): Update comment.
505         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
506         (tree_string): Place contents of string in tree node.
507         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
508         from tree.
509
510 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
511
512         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
513         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
514
515 2004-09-17  Jones Desougi  <jones@ingate.com>
516
517         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
518         * configure, config.in: Regenerate.
519
520 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
521
522         * tree.c, tree.h (tree_class_strings): Make array const.
523         Reindent per coding convention.  Move asterisk to proper place
524         per coding convention.
525
526 2004-09-18  Andreas Schwab  <schwab@suse.de>
527
528         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
529         (tree-vectorizer.o): Likewise.
530         (targhooks.o): Likewise.
531
532 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
533             Zack Weinberg  <zack@codesourcery.com>
534
535         * alias.c (find_base_decl): Remove unreachable case '3' block.
536         * expr.c (safe_from_p): Abort if passed a type.
537         * tree-gimple.c (recalculate_side_effects): Abort if passed
538         anything other than an expression.
539         * tree-ssa-pre.c (phi_translate): Return expr immediately if
540         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
541         Abort on un-handled tree classes.
542         (valid_in_set): Likewise.
543         * tree.c (tree_code_class_strings): New static data.
544
545         * tree.h (enum tree_code_class): New.
546         (tree_code_class_strings): Declare.
547         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
548         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
549         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
550         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
551         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
552
553         * tree.def, c-common.def, objc/objc-tree.def: Use
554         tree_code_class enumeration constants instead of code letters.
555
556         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
557         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
558         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
559         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
560         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
561         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
562         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
563         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
564         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
565         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
566         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
567         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
568         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
569         Update to match.
570
571         * LANGUAGES: Add note about change.
572
573 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
574
575         PR tree-optimization/17319
576         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
577         examine pointers on the LHS of an assignment.
578         (collect_points_to_info_r): Handle RETURN_EXPR.
579
580 2004-09-17 Jeff Law  <law@redhat.com>
581
582         * tree-ssa-dom.c (const_and_copies_stack): New.
583         (dom_walk_block_data): Remove const_and_copies field.
584         (record_const_or_copy): No longer need to pass in varray_type *.
585         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
586         Callers updated.
587         (record_equality): Similarly.
588         (restore_vars_to_original_value): Similarly.  Revamp to use new
589         single global stack rather than per-block stacks.
590         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
591         (thread_across_edge): Remove now unused parameters.
592         (dom_opt_initialize_block_local_data): No longer test the block
593         local CONST_AND_COPIES.
594         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
595
596 2004-09-17  Jan Hubicka  <jh@suse.cz>
597
598         PR tree-optimization/17509
599         * tree-optimize.c (update_inlined_to_pointers): New function.
600         (tree_rest_of_compilation): Use it.
601
602 2004-09-17  Devang Patel  <dpatel@apple.com>
603
604         * dbxout.c (get_lang_number): New.
605         (dbxout_init): Include lang number in N_SO  stab.
606         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
607         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
608
609 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
610
611         PR tree-optimization/17273
612         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
613         replacement is a constant.
614
615 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
616
617         * c-tree.h (enum c_typespec_keyword): New.
618         (struct c_declspecs): Adjust description of "type".  Remove
619         specbits, explicit_int_p and explicit_char_p.  Rename
620         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
621         short_p, signed_p, unsigned_p and complex_p.
622         (finish_declspecs): New.
623         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
624         typename): Call finish_declspecs.
625         * c-decl.c (finish_declspecs): New.
626         (declspecs_add_type): Check for combinations which cannot occur in
627         valid specifier lists.  Update comments.
628         (shadow_tag_warned): Remove checks done in finish_declspecs.
629         Don't report useless type name if type defaulted to int.
630         (grokdeclarator): Remove checks and actions done in
631         finish_declspecs.  Don't allow for type being NULL.  Update for
632         datastructures changes.  Initialize decl_attr.
633         (build_null_declspecs, quals_from_declspecs): Update for
634         datastructures changes.
635
636 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
637
638         * doc/extend.texi: Fix duplicated word.
639
640 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
641
642         * doc/invoke.texi: Remove stray explanation on
643         -freduce-all-givs and -fmove-all-movables.
644
645 2004-09-17  James Morrison  <phython@gcc.gnu.org>
646
647         * doc/cfg.texi: Use @smallexample.
648         * doc/md.texi: Likewise.
649         * doc/tree-ssa.texi: Likewise.
650         * doc/extend.texi: Likewise.  Use @r{} in comments.
651         * doc/trouble.texi: Use @r{} in comments.
652
653 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
654
655         * configure.ac (gcc_cv_gld_version): Handle whitespace before
656         "VERSION=".
657         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
658         * configure: Regenerate.
659
660 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
661
662         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
663         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
664         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
665         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
666         slashes in substitutions.
667         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
668
669 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
670
671         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
672         gimplify.c, lambda-code.c, optabs.c, predict.c,
673         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
674         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
675         conventions.
676
677 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
678
679         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
680         doc/extend.texi, doc/install.texi, doc/invoke.texi,
681         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
682         doc/trouble.texi: Use @option around options.
683
684 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
685
686         * Makefile.in (gen-protos.o): Depend on errors.h.
687
688 2004-09-17  Steven Bosscher  <stevenb@suse.de>
689
690         PR tree-optimization/17513
691         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
692         for successors of the entry block.
693
694 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
695
696         PR rtl-optimization/15187
697         * ifcvt.c (noce_try_cmove_arith): Exit early if total
698         insn_rtx_cost of both branches > BRANCH_COST
699
700 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
701
702         PR tree-optimization/17528
703         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
704         erase the may-alias set for a tag when merging it with
705         another.
706
707 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
708
709         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
710         for 32-bit TARGET_SHMEDIA.
711         (call_value): Likewise.
712
713 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
714
715         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
716         test apply only to TREE_STATIC and DECL_EXTERNAL.
717
718 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
719
720         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
721         * basic-block.h (get_dominated_by_region): Declare.
722         * dominance.c (get_dominated_by_region): New function.
723         * tree-cfg.c: Include cfglayout.h.
724         (tree_duplicate_bb): Duplicate also phi nodes.
725         (struct ssa_name_map_entry): New type.
726         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
727         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
728         allocate_ssa_names, rewrite_to_new_ssa_names_def,
729         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
730         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
731         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
732         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
733         rewrite_to_new_ssa_names, allocate_ssa_names,
734         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
735         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
736         (copy_loop_headers): Use tree_duplicate_sese_region.
737
738 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
739
740         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
741
742 2004-09-16 Jeff Law  <law@redhat.com>
743
744         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
745         (rewrite_block_data): Remove, no longer used.
746         (rewrite_initialize_block_local_data): Remove, no longer used.
747         (rewrite_initialize_block): Mark parameters as unused as needed.
748         Change references to the block local block_defs to be block_defs_stack.
749         Push a marker onto the block_defs_stack.
750         (ssa_rewrite_initialize_block): Similarly.
751         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
752         (ssa_register_new_def): No longer needs varray argument.  Use
753         block_defs_stack instead.  No longer handle possibly null block_defs
754         varray.  Reverse order of items we push on the stack to make it
755         easier to identify our marker.
756         (register_new_def): No longer handle possibly null block_defs
757         varray.
758         (rewrite_finalize_block): Revamp to look for markers in the global
759         block_defs_stack varray rather than wiping a block local varray.
760         Mark arguments as unused as needed.
761         (ssa_rewrite_finalize_block): Similarly.
762         (rewrite_into_ssa): Update initialization of dom walker structure
763         to reflect that we don't need block local data anymore.  Initialize
764         the block_defs_stack varray.
765         (rewrite_ssa_into_ssa): Similarly.
766         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
767         (struct dom_walk_data): Kill block_defs field.
768         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
769         (thread_across_edge): Use the global block_defs_stack instead of
770         the old block_defs varray.
771         (dom_opt_initialize_block_local_data): Update now that we don't have
772         block_defs field to check anymore.
773         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
774         (restore_currdefs_to_original_value): Use the new block_defs_stack
775         instead of a block local varray.
776         (dom_opt_finalize_block): Similarly.
777         (record_equivalencs_from_phis): Similarly.
778         (optimize_stmt, register_definitions_for_stmt): Similarly.
779
780 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
781
782         PR tree-optimization/17517
783         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
784         coalesce same-root variables without checking for abnormal PHI usage.
785
786 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
787
788         * cfgloop.h (duplicate_loop):  Add prototype.
789         * cfgloopmanip.c (duplicate_loop): Make non-static.
790         * lambda-code.c (perfect_nestify): Factor out test whether
791         we can handle this loop into separate function.
792         Call it.
793         (can_convert_to_perfect_nest): New function.
794         (replace_uses_of_x_with_y): Add modify_stmt call.
795         * tree-loop-linear.c (linear_transform_loops): Call
796         rewrite_into_loop_closed_ssa and free_df.
797
798 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
799
800         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
801         loop invariant as well.
802         (perfect_nestify): new function.
803         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
804         upper bounds, and steps.
805         Set outerinductionvar properly.
806         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
807         parameters.
808         Return NULL if we need a perfect loop and can't make one.
809         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
810         (not_interesting_stmt): New function.
811         (phi_loop_edge_uses_def): Ditto.
812         (stmt_uses_phi_result): Ditto.
813         (stmt_is_bumper_for_loop): Ditto.
814         (perfect_nest_p): Ditto.
815         (nestify_update_pending_stmts): Ditto.
816         (replace_uses_of_x_with_y): Ditto.
817         (stmt_uses_op): Ditto.
818         (perfect_nestify): Ditto.
819         * lambda-mat.c (lambda_matrix_id_p): New function.
820         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
821         * lambda.h: Update prototypes.
822         * tree-loop-linear (linear_transform_loop): Use new
823         perfect_nest_p. Detect and ignore identity transform.
824         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
825
826 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
827
828         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
829         Gather also strides of accessed data.  Pass in the data references
830         array.
831         (try_interchange_loops): Add a new heuristic for handling the temporal
832         locality.  Pass in the data references array.
833         (linear_transform_loops): Pass the data references array to
834         try_interchange_loops.
835
836 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
837
838         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
839
840 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
841
842         * doc/c-tree.texi (Classes): Remove index entries for
843         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
844
845 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
846
847         * fold-const.c (fold): Fold difference of addresses.
848         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
849         get_inner_reference.
850         * tree-ssa-loop-ivopts.c (peel_address): Removed.
851         (ptr_difference_const): Moved to fold-const.c.
852         (split_address_cost): Use get_inner_reference instead of peel_address.
853         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
854         * tree.h (ptr_difference_const): Export.
855
856         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
857         variable type to the dump.  Fix indentation.
858         (idx_find_step): Handle nonconstant array_ref_element_size and
859         array_ref_low_bound.
860         (idx_record_use): Handle array_ref_element_size and
861         array_ref_low_bound.
862         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
863         statements correctly.
864         (get_computation_at, iv_value): Do not unshare expressions here.
865         (rewrite_use_outer): Unshare the expression before it is emitted
866         to code.
867         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
868         Moved to tree.c.
869         * tree.c (unsigned_type_for, signed_type_for): Moved from
870         tree-ssa-loop-niter.c.  Use langhooks.
871         * tree.h (signed_type_for): Export.
872
873 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
874
875         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
876         prototype.
877
878 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
879
880         PR target/11572
881         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
882         Add two parameters to extra_includes.
883         (C_INCPATH_INIT): Remove.
884         * c-incpath.c (register_include_chains): Call extra_pre_includes
885         before adding the standard include directory.
886         Update call to extra_includes.
887         (!defined TARGET_EXTRA_INCLUDES): Update
888         hook_void_charptr_charptr_int and add !define
889         TARGET_EXTRA_PRE_INCLUDES.
890         (!define TARGET_EXTRA_INCLUDES): Define as
891         hook_void_charptr_charptr_int.
892         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
893         (target_c_incpath): Always declare.
894         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
895         empty function.
896         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
897         * config/darwin.h: (darwin_register_frameworks): Update for
898         the two new parameters.
899         (darwin_register_objc_includes): Add prototype.
900         (TARGET_EXTRA_PRE_INCLUDES): Define.
901         * config/darwin-c.c (darwin_register_objc_includes): New function.
902         (darwin_register_frameworks): Update for the two new parameters.
903         (target_c_incpath): Remove.
904         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
905         the compile line.
906         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
907         parameters.
908         (TARGET_EXTRA_PRE_INCLUDES): Document.
909
910         * gcc.c (spec_function): Add replace-outfile.
911         (replace_outfile_spec_function): New function.
912         * config/darwin.h (LINK_SPEC): Add replace
913         -lobjc with -lobjc-gnu if -fgnu-runtime is
914         supplied.
915         * invoke.texi (replace-outfile): Document.
916
917 2004-09-13  Jan Hubicka  <jh@suse.cz>
918
919         * predict.c (expr_expected_value, strip_builtin_expect): New function.
920         (tree_predict_by_opcode): Use it.
921         (tree_estimate_probability): Add, for now disabled,
922         strip_builtin_expect call.
923
924 2004-09-15  James E Wilson  <wilson@specifixinc.com>
925
926         PR target/17455
927         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
928         if current_function_decl is a sibcall.
929
930 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
931
932         * varasm.c (default_function_rdodata_section): Make sure to pass
933         along a decl for a link-once section.
934
935 2004-09-15  Richard Henderson  <rth@redhat.com>
936
937         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
938         warning with code disable.  Fix formatting.
939
940 2004-09-15  Steven Bosscher  <stevenb@suse.de>
941
942         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
943         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
944         after propagating into an ADDR_EXPR.
945
946 2004-09-15  Andrew Pinski  <apinski@apple.com>
947
948         PR rtl-opt/17427
949         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
950         Move it out of gcc_assert.
951
952 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
953
954         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
955         except.c, fold-const.c, function.c, langhooks.c, params.c,
956         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
957         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
958         for quoting in diagnostics going through pretty-print.c.  Use ''
959         for quoting in other diagnostic text.
960         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
961         translation.
962         * Makefile.in (langhooks.o): Update dependencies.
963         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
964         formats.
965
966 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
967
968         * configure.ac: Check for COMDAT support.  Robustify check for
969         SHF_MERGE support.
970         * configure: Regenerated.
971         * config.in: Likewise.
972         * langhooks-def.h (lhd_comdat_group): New function.
973         (LANG_HOOKS_COMDAT_GROUP): New macro.
974         (LANG_HOOKS_DECLS): Use it.
975         * langhooks.c (lhd_comdat_group): Define.
976         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
977         * output.h (named_section_flags): Make it a macro.
978         (named_section_real): New function.
979         (default_no_named_section): Add decl parameter.
980         (default_elf_asm_named_section): Likewise.
981         (default_coff_asm_named_section): Likewise.
982         (default_pe_asm_named_section): Likewise.
983         * target.h (gcc_target): Adjust type of named_section.
984         * varasm.c (named_section_flags): Rename to named_section_real.
985         Add decl parameter.
986         (default_no_named_section): Add decl parameter.
987         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
988         with the case that ASM_COMMENT_START is "@".
989         (default_coff_asm_named_section): Add decl parameter.
990         (default_pe_asm_named_section): Likewise.
991         * config/alpha/alpha.c (vms_asm_named_section): Add decl
992         parameter.
993         (unicosmk_asm_named_section): Likewise.
994         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
995         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
996         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
997         * config/cris/cris-protos.h (cris_target_asm_named_section):
998         Likewise.
999         * config/cris/cris.c (cris_target_asm_named_section):
1000         Likewise.
1001         * config/darwin/darwin-protos.h (darwin_asm_named_section):
1002         Likewise.
1003         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
1004         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
1005         * config/i386/i386-protos.h (i386_pe_asm_named_section):
1006         Likewise.
1007         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
1008         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
1009         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
1010         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
1011         Likewise.
1012         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
1013         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
1014         * cp/cp-tree.h (cxx_comdat_group): Declare.
1015         * cp/decl.c (cxx_comdat_group): New function.
1016
1017 2004-09-15  Jan Hubicka  <jh@suse.cz>
1018
1019         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
1020         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
1021
1022         * tree-cfg.c (remove_bb): Release SSA defs.
1023
1024 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
1025
1026         * doc/tm.texi: Follow spelling conventions.
1027
1028 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
1029
1030         * tree-ssa-dom.c: Fix comment typos.
1031
1032 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
1033
1034         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
1035         include ccr.
1036         (ppc_fallback_frame_state): Save location of CR.
1037
1038 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
1039
1040         * expr.c (string_constant): Handle also read-only variables
1041         initialized to string literals.
1042
1043         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
1044         into memcpy (x, y, 1) if memcpy can be expanded inline.
1045
1046 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1047
1048         PR tree-optimization/17468
1049         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
1050         definition inside a block precede uses.
1051         * tree-tailcall.c (adjust_return_value): Emit statements in the
1052         correct order.
1053
1054 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
1055
1056         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
1057
1058 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
1059
1060         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
1061
1062 2004-09-14 Jeff Law  <law@redhat.com>
1063
1064         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
1065         (struct dom_walk_block_data): Remove avail_exprs member.
1066         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
1067         (lookup_avail_expr): No longer need to pass in address of
1068         the block local available exprs stack.  All callers changed.
1069         (simplify_cond_and_lookup_avail_expr): Similarly.
1070         (simplify_switch_and_lookup_avail_expr): Similarly.
1071         (get_eq_expr_value, record_cond): Likewise.
1072         (record_dominating_conditions): Likewise.
1073         (update_rhs_and_lookup_avail_expr): Likewise.
1074         (record_equivalences_from_stmt): Likewise.
1075         (dom_opt_initialize_block_local_data): No longer test state of
1076         block local avail_exprs.
1077         (dom_opt_initialize_block): Mark unwind point in the global
1078         avail_expr stack.
1079         (remove_expressions_from_table): Update to unwind to the
1080         most recent unwind marker in the global avail_expr stack.
1081         All callers changed.
1082         (dom_opt_finalize_block): Mark unwind point in the global
1083         avail_expr stack as needed.
1084         (record_cond): Push elements into the global avail_exprs stack.
1085
1086         * tree-dfa.c (free_df_for_stmt): No longer static.
1087         (free_df): Update comments.
1088         * tree-flow.h (free_df_for_stmt): Prototype.
1089         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
1090         call release_defs.
1091
1092 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
1093
1094         PR tree-optimization/17252
1095         * tree-ssa-alias.c (may_alias_p): Don't assume that a
1096         pointer may not point to itself when using relaxed
1097         aliasing rules.
1098
1099 2004-09-14  Richard Henderson  <rth@redhat.com>
1100
1101         PR middle-end/17397
1102         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
1103         while folding <ADDR_EXPR <INDIRECT_REF X>>.
1104
1105 2004-09-14  Andrew Pinski  <apinski@apple.com>
1106
1107         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
1108         sets of the pointers but the aliasing sets of what they point to.
1109
1110 2004-09-14  Roger Sayle  <roger@eyesopen.com>
1111
1112         PR rtl-optimization/9771
1113         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
1114         conditional compilation in init_reg_sets_1.
1115         (init_reg_sets_1): Let global_regs[i] take priority over the frame
1116         (but not stack) pointer exceptions to regs_invalidated_by_call.
1117         (globalize_reg): Globalizing a fixed register may need to update
1118         regs_invalidated_by_call.
1119
1120 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
1121
1122         PR tree-optimization/15262
1123         * tree-dfa.c (dump_variable): Also print the type of the
1124         variable.
1125         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
1126         memory tags are of conflicting alias sets but have no aliased
1127         symbols in common, add one tag to the alias set of the other.
1128         (setup_pointers_and_addressables): Remove hack to deal with
1129         programs with no aliased symbols.
1130         (may_alias_p): Don't special case aggregate types.
1131
1132 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
1133
1134         PR c/15498
1135         * doc/invoke.texi (Environment Variables): Correct example locale.
1136
1137 2004-09-14  Jan Hubicka  <jh@suse.cz>
1138
1139         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
1140
1141 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
1142
1143         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
1144
1145 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
1146
1147         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
1148         restrict_p.
1149         (struct c_declarator): Change u.array.quals and pointer_quals to
1150         int.  Add u.array.attrs.
1151         (quals_from_declspecs): New.
1152         * c-decl.c (quals_from_declspecs): New.
1153         (shadow_tag_warned): Give more specific message for useless type
1154         qualifiers.
1155         (build_array_declarator, set_array_declarator_inner,
1156         grokdeclarator, make_pointer_declarator, build_null_declspecs,
1157         declspecs_add_qual): Update for changed structures.
1158
1159 2004-09-14  Jeff Law  <law@redhat.com>
1160
1161         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
1162         to a global varray.
1163         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
1164         (dom_opt_initialize_block_local_data): No longer test state
1165         of stmts_to_rescan.
1166         (dom_opt_finalize_block): Update due to change in scope of
1167         stmts_to_rescan.
1168         (optimize_stmt): Similarly.
1169
1170 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1171
1172         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
1173         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
1174         comment typos.  Follow spelling conventions.
1175
1176 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1177
1178         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
1179         config/i386/predicates.md, config/sparc/sparc.c: Follow
1180         spelling conventions.
1181
1182 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1183             Steven Bosscher  <stevenb@suse.de>
1184
1185         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
1186         * basic-block.h (struct reorder_block_def): Add copy_number field.
1187         * cfgloop.h (biv_p): Declare.
1188         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
1189         * common.opt (fsplit-ivs-in-unroller): New flag.
1190         * loop-iv.c (biv_p): New function.
1191         * loop-unroll.c: Include hashtab.h and recog.h.
1192         (struct iv_to_split, struct split_ivs_info): New types.
1193         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
1194         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
1195         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
1196         insert_base_initialization, split_iv): New functions.
1197         (peel_loop_completely, unroll_loop_constant_iterations,
1198         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
1199         Use them.
1200         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
1201
1202 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1203
1204         * tree-cfg.c (thread_jumps): Update dominators correctly in
1205         case destination of threaded edge dominates its source.
1206
1207 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1208
1209         * unroll.c: Removed.
1210         * loop.h: Removed.
1211         * Makefile.in (LOOP_H, unroll.o): Removed.
1212         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
1213         dependency.
1214         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
1215         reference.
1216         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
1217         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
1218         * loop.c: Do not include loop.h.
1219         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
1220         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
1221         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
1222         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
1223         struct loop_regs, struct loop_movables, struct loop_info): Moved
1224         from loop.h.
1225         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
1226         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
1227         find_common_reg_term, loop_iterations, final_giv_value): Moved
1228         from unroll.c.
1229         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
1230         loop_dump_stream, for_each_insn_in_loop, express_from,
1231         extend_value_for_giv, loop_iv_add_mult_emit_before,
1232         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
1233         loop_insn_first_p, get_condition_for_loop,
1234         loop_insn_emit_before, loop_insn_hoist,
1235         loop_insn_sink): Made static.
1236         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
1237         reference.
1238         (strength_reduce): Do not call unroller.
1239         (record_giv): Do not initialize unrolled field.
1240         (prescan_loop): Do not set loop_info->preconditioned.
1241         * passes.c: Do not include loop.h.
1242         (rest_of_handle_loop_optimize): Do not call unroller.
1243         * predict.c: Do not include loop.h.
1244         * rtl.h (NOTE_PRECONDITIONED): Removed.
1245         * stmt.c: Do not include loop.h.
1246         * toplev.c: Do not include loop.h.
1247         (process_options): Do not handle flag_old_unroll_loops.
1248
1249         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
1250         Documentation removed.
1251         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
1252
1253 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
1254
1255         * Makefile.in (STAGE1_CHECKING): New variable.
1256         (stage1_build): Use it.
1257         * tree-ssa.c (verify_ssa): Preserve state of dominance
1258         information.
1259
1260 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
1261
1262         * config/i386/i386.c (output_fp_compare): Add generation
1263         of ftst instruction.
1264         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
1265         Use output_fp_compare () function.
1266         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
1267         (fix_truncdi_memory): Remove operands[5] copy.
1268
1269 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1270
1271         * config/m32r/m32r.md, config/m68k/m68kelf.h,
1272         config/mcore/mcore.md, config/rs6000/linux64.h,
1273         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
1274         typos.
1275
1276 2004-09-13  James E Wilson  <wilson@specifixinc.com>
1277
1278         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
1279         * gen-protos.c: Include errors.h.
1280         (progname): Delete.
1281
1282 2004-09-14  Jan Hubicka  <jh@suse.cz>
1283
1284         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
1285         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
1286         (predict_loops): Use number_of_iterations_exit to predict
1287         number of iterations on trees.
1288
1289 2004-09-13  Dale Johannesen  <dalej@apple.com>
1290
1291         PR 17408
1292         PR 17409
1293         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
1294         objects declared extern.
1295
1296 2004-09-14  Paul Brook  <paul@codesourcery.com>
1297
1298         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
1299         HOST_WIDE_INT.
1300
1301 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
1302
1303         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
1304         Only use TYPE_BINFO for aggregates.
1305
1306 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
1307
1308         * expmed.c (synth_mult): Initialize latency.  Check cost before
1309         checking ops count.
1310
1311 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
1312
1313         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
1314         add_call_clobber_ops and add_call_read_ops.
1315         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
1316         the number of vdefs and vuses inserted based on analysis of global
1317         variables across calls.  * tree-dfa.c (find_referenced_vars):
1318         Needed to reset static var maps before each function is compiled.
1319         * cgraphunit.c:
1320         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
1321         static_vars_info,functions_to_static_vars_info,module_statics_escape,
1322         all_module_statics,searchc_env,dfs_info): New fields to support
1323         analysis of static global variables.
1324         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
1325         cgraph_reset_static_var_maps, get_global_static_vars_info,
1326         get_global_statics_not_read, get_global_statics_not_written,
1327         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
1328         check_rhs_var, check_lhs_var, get_asm_expr_operands,
1329         process_call_for_static_vars, scan_for_static_refs,
1330         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
1331         clear_static_vars_maps, cgraph_propagate_bits,
1332         cgraph_characterize_statics): New. Functions to support analysis
1333         of static global variables.
1334         (cgraph_mark_local_and_external_functions): Renamed from:
1335         (cgraph_mark_local_functions)
1336         (cgraph_expand_all_functions): Remove call to
1337         cgraph_mark_local_and_external_functions.
1338         (cgraph_optimize): Added driver to analyze static variables whose
1339         scope is within the compilation unit.  * cgraph.h (struct
1340         cgraph_local_info, GTY): Added statics_read, statics_written,
1341         local, calls_read_all, calls_write_all, for_functions_valid.
1342         (struct cgraph_node): Added next_cycle.  * cgraph.c
1343         (dump_cgraph_node): Added print routines for new fields.  *
1344         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
1345         list.
1346
1347 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
1348
1349         * c-decl.c (grokdeclarator): Correct comments about where storage
1350         class specifiers are rejected by grammar and add corresponding
1351         asserts.  Diagnose typedefs and parameters declared inline.
1352         Change warning for inline main to a pedwarn.  Only diagnose inline
1353         main if hosted.
1354         (declspecs_add_scspec): Allow duplicate "inline".
1355
1356 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
1357
1358         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
1359         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1360
1361 2004-09-13  Richard Henderson  <rth@redhat.com>
1362
1363         PR 17436
1364         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
1365         (tree_type): Replace spare with contains_placeholder_bits.
1366         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
1367         make static.  Remove seen_types list.
1368         (type_contains_placeholder_p): New.
1369
1370 2004-09-13  James E Wilson  <wilson@specifixinc.com>
1371
1372         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
1373         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
1374         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
1375         bdesc_arrays instead of mips_bdesc.
1376         (mips_init_builtins): Likewise.
1377         * config/mips/mips.h (TARGET_SB1): New.
1378         (HAVE_SQRT_P): Delete.
1379         * config/mips/mips.md (divide_condition): Support V2SF.
1380         (sqrt_condition, recip_condition): New.
1381         (div<mode>3): Use ANYF instead of SCALARF.
1382         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
1383         MODE.
1384         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
1385         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
1386         instead of MODE.
1387         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
1388         instead of SCALARF.  Use UNITMODE instead of MODE.
1389
1390 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
1391
1392         * config.in: Regenerate after removal of libbanshee.
1393
1394 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
1395
1396         PR tree-optimization/17400
1397         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1398         coalesce partitions when one occurs in an abnormal PHI.
1399
1400 2004-09-13  Andrew Pinski  <apinski@apple.com>
1401
1402         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
1403         name to _new_size.
1404
1405 2004-09-13  Richard Henderson  <rth@redhat.com>
1406
1407         PR inline-asm/6806
1408         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
1409         (cselib_invalidate_rtx_note_stores): New.
1410         (cselib_record_sets, cselib_process_insn): Update to match.
1411         * cselib.h (cselib_invalidate_rtx): Declare.
1412         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
1413
1414 2004-09-13  Richard Henderson  <rth@redhat.com>
1415
1416         PR tree-opt/10528
1417         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
1418         after copying its argument.
1419
1420 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
1421
1422         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
1423         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
1424         in diagnostics.  Use %' for English apostrophes.
1425         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
1426         (pedwarn_c90, pedwarn_c99): Use it.
1427         * c-decl.c (lookup_label): Quote label name in diagnostic.
1428         * c-parse.in (yyprint): Use ' instead of ` for left quote.
1429         * c-typeck.c (warn_for_assignment): Likewise.
1430
1431 2004-09-13  Jan Hubicka  <jh@suse.cz>
1432
1433         * i386.c (x86_schedule): New global variable.
1434         (override_options): Disable scheduling when not supported.
1435         * i386.h (x86_schedule): Declare.
1436         (TARGET_SCHEDULE): New macro.
1437
1438 2004-09-12  Richard Henderson  <rth@redhat.com>
1439
1440         PR c++/16254
1441         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
1442         * tree.c, tree.h (has_cleanups): Remove.
1443
1444 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1445
1446         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
1447         arguments of the phi nodes correctly.
1448
1449 2004-09-12  Jan Hubicka  <jh@suse.cz>
1450
1451         * ggc-common.c (cmp_statistics): Fix sorting.
1452
1453 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
1454
1455         PR target/16795
1456         * expmed.c (expand_divmod): If cheap power of 2 divide is
1457         available, use it for negative constant as well.
1458
1459 2004-09-12  Andrew Pinski  <apinski@apple.com>
1460
1461         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
1462         size of 0.
1463
1464         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
1465
1466 2004-09-12  Richard Henderson  <rth@redhat.com>
1467
1468         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
1469         or minus one.
1470         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
1471         post-reload, and scratch NULL.
1472         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
1473         (x86_shift_adj_2): Use ix86_expand_clear.
1474         (ashldi3): Remove CMOVE expansion difference.
1475         (ashldi3_1): Remove.
1476         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
1477         add constraints for immediates.  New peephole for split-with-temp.
1478         Run splitter after peep2 pass.
1479         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
1480         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
1481         (setcc_2): Rename with *.
1482         * config/i386/predicates.md (reg_or_pm1_operand): New.
1483         (ashldi_input_operand): New.
1484
1485 2004-09-12  Richard Henderson  <rth@redhat.com
1486
1487         * print-rtl.c (print_decl_name): New.
1488         (print_mem_expr): Use it.
1489
1490 2004-09-12  Richard Henderson  <rth@redhat.com
1491
1492         PR 17186, part deux
1493         * except.c (sjlj_emit_function_exit): Fix logic locating
1494         sjlj_exit_after in final block.
1495
1496 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
1497
1498         * common.opt: Remove flags -fmove-all-movables and
1499         -freduce-all-givs.
1500         * loop-invariant.c (find_invariants_to_move):
1501         Remove all uses of flag_move_all_movables.
1502         * loop.c (move_movables): Remove all uses of
1503         flag_move_all_movables.
1504         (strength_reduce): Remove all uses of
1505         flag_reduce_all_givs.
1506         * doc/invoke.texi: Remove documentation of flags
1507         -fremove-all-movables and -freduce-all-givs.
1508
1509 2004-09-11  Roger Sayle  <roger@eyesopen.com>
1510
1511         PR middle-end/17411
1512         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
1513         change. elt->type may be a floating point type, so use fold_convert.
1514
1515 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
1516
1517         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
1518         the thing referenced as used, not the stub itself.
1519
1520 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1521
1522         * c-tree.h (enum c_storage_class): New.
1523         (struct c_declspecs): Add storage_class, inline_p and thread_p.
1524         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
1525         declarations and "auto" or "register" in file scope empty
1526         declarations.  Give more specific warnings for other cases of
1527         storage class specifiers in empty declarations.
1528         (grokdeclarator): Update for new structures.  Don't check for
1529         multiple storage classes.  Diagnose file-scope "register" if
1530         pedantic.
1531         (build_null_declspecs): Update.
1532         (declspecs_add_scspec): Update.  Diagnose multiple storage class
1533         specifiers and invalid uses of "__thread".
1534
1535 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
1536
1537         * tree.c (tree_code_size): New function, bulk of code from tree_size.
1538         (tree_size, make_node): Use it.
1539         * tree-ssa-pre.c (init_pre): Use it.
1540         * tree.h: Prototype it.
1541
1542 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1543
1544         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
1545         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
1546         redirect_immediate_use): Use PHI_DF.
1547         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
1548         (bb_for_stmt): Use PHI_BB.
1549         (get_immediate_uses): Use PHI_DF.
1550         * tree-ssa-dse.c (max_stmt_uid): New variable.
1551         (get_stmt_uid): New function.
1552         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
1553         node annotations.
1554         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
1555         (max_uid): Renamed to max_stmt_uid.
1556         (get_stmt_uid): New function.
1557         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
1558         phi node annotations.
1559         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
1560         * tree.h (PHI_BB, PHI_DF): New accessor functions.
1561         (struct tree_phi_node): Add bb and df fields.
1562
1563 2004-09-11  Richard Henderson  <rth@redhat.com>
1564
1565         PR middle-end/17416
1566         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
1567         in conflict loop.
1568
1569 2004-09-11  Jan Hubicka  <jh@suse.cz>
1570
1571         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
1572         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
1573         * i386.md (i387_cw): Add 'uninitialized' mode.
1574
1575         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
1576         (output_location): Break out from ....
1577         (branch_prob): ... here; handle gcov output on trees.
1578         * toplev.c (process_options): No longer be sorry about coverage for
1579         trees.
1580
1581 2004-09-11  Steven Bosscher  <stevenb@suse.de>
1582
1583         PR c++/17412
1584         * fold-const.c (fold): Do not try to fold the operand of a
1585         CLEANUP_POINT_EXPR if that operand does itself not have any
1586         operands.
1587
1588         PR middle-end/17417
1589         * langhooks.c (lhd_decl_printable_name): Make sure that this
1590         function is called with is a decl node that has an identifier.
1591         * tree-pretty-print.c (dump_function_name): New function to
1592         wrap PRINT_FUNCTION_NAME and dump_decl_name.
1593         (print_call_name): Use it.
1594
1595 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
1596
1597         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
1598         "config.h" if not.
1599
1600 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
1601
1602         * tree-ssa-alias.c (collect_points_to_info_r): Handle
1603         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
1604         to OFFSET.
1605
1606 2004-09-11  Richard Henderson  <rth@redhat.com>
1607
1608         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
1609         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
1610         operand of the ADDR_EXPR.
1611         (expand_expr_real_1): Update to match.
1612
1613 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
1614
1615         PR target/17277
1616         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
1617         choose 64-bit version.
1618
1619 2004-09-11  Richard Henderson  <rth@redhat.com>
1620
1621         PR c/17396
1622         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
1623
1624 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
1625
1626         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
1627         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
1628         Insert @: after i.e. or e.g.
1629
1630 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
1631
1632         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
1633         D.xxx rather than <Dxxx>.
1634
1635 2004-09-10  Adam Nemet  <anemet@lnxw.com>
1636
1637         * configure.ac (AC_MSG_CHECKING(what linker to use)):
1638         in_tree_ld_is_elf should be true for LynxOS.
1639         * configure: Regenerate.
1640
1641 2004-09-10  Adam Nemet  <anemet@lnxw.com>
1642
1643         * Makefile.in (all.cross): Add srcextra.
1644
1645 2004-09-10  Roger Sayle  <roger@eyesopen.com>
1646
1647         PR middle-end/17024
1648         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
1649         floating point comparison operators.  Change aborts to gcc_asserts.
1650
1651 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
1652
1653         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
1654
1655 2004-09-10  James E Wilson  <wilson@specifixinc.com>
1656
1657         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
1658         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
1659
1660         * convert.c (convert_to_vector): Replace recursive call with
1661         error_mark_node.
1662
1663         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
1664         Add integer argument named constant.  Use const_tiny_rtx instead of
1665         CONST0_RTX.
1666         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
1667         and CONST1_RTX.
1668         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
1669         vector types.
1670         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
1671         of gen_rtx_raw_CONST_VECTOR.
1672
1673 2004-09-10  Eric Christopher  <echristo@redhat.com>
1674
1675         PR c/16046
1676         * c-parse.in (attribute): Add NULL_TREE for error case
1677         for error recovery.
1678
1679 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
1680
1681         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
1682         (extract_interface_info): Delete prototype.
1683         * c-decl.c (extract_interface_info): Delete stub.
1684         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
1685         it's not already been done ...
1686         (init_c_lex): ... not here.
1687         (fe_file_change): Don't call extract_interface_info.
1688
1689 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1690
1691         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
1692         typedef_p and typedef_signed_p.
1693         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
1694         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
1695         Check typedef_p and typedef_signed_p, not typedef_decl.
1696         (grokfield): Check typedef_p, not typedef_decl.
1697         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
1698         not typedef_decl.
1699         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
1700         typedef_decl.
1701
1702 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1703
1704         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
1705
1706 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
1707
1708         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
1709         temporary variables.
1710
1711         * dbxout.c (dbxout_block): Update for
1712         current_function_func_begin_label a string.
1713         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
1714         * except.c (dw2_output_call_site_table): Likewise.
1715         * toplev.c (current_function_func_begin_label): Likewise.
1716         * tree.h (current_function_func_begin_label): Likewise.
1717         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
1718
1719         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
1720         loop.
1721
1722         * config/darwin.c: Include target.h.
1723         (struct machopic_indirection): Make ptr_name a string.
1724         (machopic_indirection_hash): Update for ptr_name a string.
1725         (machopic_indirection_eq): Likewise.
1726         (machopic_indirection_name): Likewise.
1727         (machopic_output_indirection): Likewise.
1728         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
1729         string.  Don't expect stub names to be in the identifier hash table.
1730         Do call strip_name_encoding before looking up entry in ID hash table.
1731         * config/t-darwin (darwin.o): Add target.h to dependencies.
1732
1733         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
1734         of fprintf for register names.
1735
1736         * output.h (unlikely_section_label): Delete declaration.
1737         (unlikely_text_section_name): Likewise.
1738         * varasm.c (unlikely_section_label_printed): Make static.
1739         (unlikely_section_label): Likewise.
1740         (unlikely_text_section_name): Likewise.
1741         (assemble_start_function): Use reconcat.
1742
1743         * rtl.def (REG): Add comment to describe third field.
1744
1745 2004-09-10  Andrew Pinski  <apinski@apple.com>
1746
1747         * config/darwin.c (machopic_mcount_stub_name): Call
1748         machopic_indirection_name instead of making the string
1749         ourselves.
1750
1751 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
1752
1753         Revert
1754
1755         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
1756
1757             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
1758             memory tag is call clobbered, so are its aliases.
1759             (group_aliases): When two memory tags being grouped, if one is
1760             call clobbered, so are the other and its aliases.
1761             (add_may_alias): Remove call-clobbering stuff.
1762             (replace_may_alias): Likewise.
1763             (merge_pointed_to_info): Merge pt_global_mem
1764
1765 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1766
1767         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
1768         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
1769         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
1770         tree-scalar-evolution.c, tree-ssa-copyrename.c,
1771         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
1772
1773 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
1774
1775         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
1776         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
1777         pair.  Remove match_dup from inputs.  Remove masaccs handling.
1778         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
1779         (masaccs, mdasaccs): Turn into define_insns.
1780
1781 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
1782
1783         * tree-tailcall.c (process_assignment): Only do accumulator transforms
1784         for floating-point types if flag_unsafe_math_optimizations.
1785
1786 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1787
1788         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
1789         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
1790         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
1791         config/h8300/h8300.md, config/i386/gmm_malloc.h,
1792         config/ia64/ia64.md, config/ip2k/libgcc.S,
1793         config/mips/mips-ps-3d.md, config/mips/mips.c,
1794         config/rs6000/rs6000.c, config/s390/s390.c,
1795         config/sh/symbian.c: Fix comment typos.
1796
1797 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1798
1799         * config/s390/s390.c (s390_emit_prologue): Added missing
1800         "{}" brackets.
1801
1802 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1803
1804         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
1805         typos.  Follow spelling conventions.
1806
1807 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
1808
1809         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
1810         in diagnostic.  Don't dereference NULL TYPE_NAME.
1811
1812 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1813
1814         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
1815         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
1816         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
1817         value-prof.c: Fix comment typos.  Follow spelling conventions.
1818
1819 2004-09-10  Jan Hubicka  <jh@suse.cz>
1820
1821         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
1822         * tree-split_edge.c (tree_split_edge): Likewise.
1823         (thread_jumps): Likewise.
1824
1825 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
1826
1827         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
1828         typos.
1829
1830 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
1831
1832         * cgraph.h (cgraph_dump_file): Do not declare.
1833         * cgraphunit.c (cgraph_dump_file): Declare as static.
1834         (init_cgraph): New.
1835         * toplev.c (cgraph_dump_file): Do not declare.
1836         (compile_file): Call init_cgraph.
1837         * tree-dump.c (dump_files): Add IPA dump file, remove
1838         XML dump of call graph.
1839         (get_dump_file_name): Support IPA dump file naming scheme.
1840         * tree.h (enum tree_dump_index): Add IPA dump file, remove
1841         XML dump of call graph.
1842         * doc/invoke.texi (Debugging Options): Document the new options.
1843
1844 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
1845
1846         * doc/extend.texi: Document the FR-V built-in functions.
1847
1848 2004-09-09  James E Wilson  <wilson@specifixinc.com>
1849
1850         * doc/sourcebuild.texi: Delete libbanshee reference.
1851
1852 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
1853
1854         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
1855
1856 2004-09-09  James E Wilson  <wilson@specifixinc.com>
1857
1858         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
1859         before calling vector_types_convertible_p.
1860         (digest_init): Check that inside_init has VECTOR_TYPE before calling
1861         vector_types_convertible_p.  Don't give another error if
1862         convert_for_assignment returns error_mark_node.
1863
1864 2004-09-09  Roger Sayle  <roger@eyesopen.com>
1865
1866         PR middle-end/17055
1867         * fold-const.c (build_zero_vector): New function to construct a
1868         vector (either floating point or integer) of zeros.
1869         (fold_convert): Internally, enable conversions of integer zero
1870         to arbitrary vector types, using the new build_zero_vector.
1871
1872 2004-09-09  Roger Sayle  <roger@eyesopen.com>
1873
1874         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
1875         expand a left shift by an immediate constant as either an ashl or
1876         a sequence of additions.
1877         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
1878         instead of calling gen_ashlsi3 with a constant directly.
1879
1880 2004-09-09  Roger Sayle  <roger@eyesopen.com>
1881
1882         * config/i386/i386.c (ix86_split_long_move): When optimizing for
1883         size, and the low and high parts of a DImode constant are equal,
1884         copy one register to another instead of loading the same immediate
1885         value twice.
1886
1887 2004-09-09  Richard Henderson  <rth@redhat.com>
1888
1889         PR middle-end/17367
1890         * function.c (assign_parm_setup_block): Only put PARALLELs into
1891         a register if use_register_for_decl.
1892
1893 2004-09-09  Eric Christopher  <echristo@redhat.com>
1894
1895         * ra-colorize.c (reset_lists): Move variable declaration inside
1896         ENABLE_CHECKING to avoid unused variable warnings when
1897         not --enable-checking.
1898         (check_colors): Ditto.
1899
1900 2004-09-09  Mike Stump  <mrs@apple.com>
1901
1902         * version.c (version_string): Bump to 4.0.0.
1903         * doc/include/gcc-common.texi (version-GCC): Likewise.
1904
1905 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
1906
1907         * doc/extend.texi (nothrow attribute): The attribute is not
1908         implemented in 3.2 and earlier.
1909
1910 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
1911
1912         * genrecog.c (compute_predicate_codes): Use op0_codes
1913         instead of codes.
1914
1915 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
1916
1917         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
1918         implementation changes.
1919
1920 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
1921
1922         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
1923         a PARALLEL instead of a SET due to added clobbers.
1924
1925 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
1926
1927         * reload.c (find_reloads_address): Pass correct operand to
1928         maybe_memory_address_p.
1929
1930 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
1931
1932         * Makefile.in: Remove libbanshee, tree-alias-*.
1933         Remove tree-alias-common.h dependencies.
1934         * common.opt: Remove -ftree-points-to.
1935         * configure.ac: Remove libbanshee.
1936         * flags.h: Remove pta_type, flag_tree_points_to.
1937         * gengtype.c (open_base_files): Remove tree-alias-type.h.
1938         * opts.c (OPT_ftree_points_to): Remove.
1939         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
1940         * tree-dfa.c: Remove tree-alias-common.h
1941         * tree-into-ssa.c: Ditto.
1942         * tree-outof-ssa.c: Ditto.
1943         * tree-ssa-copyrename.c: Ditto.
1944         * tree-ssa-live.c: Ditto.
1945         * tree-optimize.c: Ditto.
1946         * tree-ssa.c: Ditto.
1947         Remove pass_build_pta, pass_del_pta.
1948         * tree-pass.h: Ditto.
1949         * tree-ssa-alias.c: Remove tree-alias-common.h.
1950         (struct alias_stats_d): Remove pta_queries, pta_resolved.
1951         (pass_may_alias): Remove PROP_pta requirement.
1952         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
1953         (get_tmt_for): Ditto.
1954         (dump_alias_stats): Ditto.
1955         * doc/passes.texi: Remove blurb about points-to analysis.
1956         * fortran/Make-lang.in: Remove tree-alias-*.o.
1957
1958 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
1959
1960         * genattrtab.c (write_insn_cases): New function, split out from
1961         write_attr_case.  Correctly handle define_peepholes when printing
1962         the instruction name.
1963         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
1964
1965 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
1966
1967         PR target/17377
1968         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
1969         * config/cris/cris.c (cris_return_address_on_stack): New function.
1970         * config/cris/cris.md ("return"): For location of return address,
1971         also check cris_return_address_on_stack.
1972
1973 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
1974
1975         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
1976         calling phi_ssa_name_p.
1977
1978 2004-09-09  Richard Henderson  <rth@redhat.com>
1979
1980         PR c/17322
1981         * c-typeck.c (valid_compound_expr_initializer): Use only
1982         initializer_constant_valid_p, and not TREE_CONSTANT.
1983         (digest_init): Likewise.
1984         (output_init_element): Likewise.
1985
1986 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
1987
1988         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
1989         live_out_1, prune_hardregs_for_mode, init_one_web_common,
1990         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
1991         record_conflict, compare_and_free_webs, init_webs_defs_uses,
1992         parts_to_webs_1, parts_to_webs, reset_conflicts,
1993         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
1994         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
1995         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
1996         put_move, remove_move, combine, select_spill, colorize_one_web,
1997         try_recolor_web, insert_coalesced_conflicts, check_colors,
1998         break_precolored_alias, restore_conflicts_from_coalesce,
1999         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
2000         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
2001         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
2002         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
2003         check_df): Likewise.
2004         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
2005         real_arithmetic, real_compare, real_exponent, real_ldexp,
2006         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
2007         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
2008         real_digit, real_nan, real_maxval, round_for_format, real_convert,
2009         real_to_target, real_from_target, real_hash, encode_ieee_single,
2010         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
2011         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
2012         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
2013         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
2014         extract_insn, peep2_next_insn, peep2_reg_dead_p,
2015         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
2016         if_test_bypass_p): Likewise.
2017         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
2018         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
2019         emit_swap_insn, swap_to_top, move_for_stack_reg,
2020         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
2021         compensate_edge, convert_regs_1): Likewise.
2022         * regclass.c (init_reg_sets, init_reg_sets_1,
2023         memory_move_secondary_cost): Likewise.
2024         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
2025         Likewise.
2026         * reload.c (push_secondary_reload, find_valid_class, push_reload,
2027         operands_match_p, decompose, immune_p, find_reloads,
2028         find_reloads_toplev, find_reloads_address_1, subst_reloads,
2029         copy_replacements, refers_to_regno_for_reload_p,
2030         reg_overlap_mentioned_for_reload_p): Likewise.
2031         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
2032         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
2033         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
2034         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
2035         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
2036         do_output_reload, fixup_abnormal_edges): Likewise.
2037         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
2038         fill_slots_from_thread, relax_delay_slots): Likewise.
2039         * resource.c (mark_referenced_resources, mark_set_resources):
2040         Likewise.
2041         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
2042         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
2043         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
2044         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
2045         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
2046         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
2047         * rtlhooks.c (gen_lowpart_general): Likewise.
2048         * sbitmap.c (sbitmap_difference): Likewise.
2049         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
2050         sched_analyze, add_forward_dependence): Likewise.
2051         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
2052         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
2053         schedule_insns): Likewise.
2054         * sched-vis.c (print_pattern): Likewise.
2055         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
2056         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
2057         simplify_const_relational_operation, simplify_ternary_operation,
2058         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
2059         Likewise.
2060         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
2061         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
2062         resolve_operand_name_1, expand_return, expand_decl,
2063         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
2064         * stor-layout.c (put_pending_size, smallest_mode_for_size,
2065         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
2066         set_sizetype, get_mode_bounds): Likewise.
2067
2068 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
2069
2070         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
2071         * config/arm/pecoff.h, config/i386/beos-elf.h
2072         * config/i386/cygming.h, config/i386/i386-interix.h:
2073         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
2074         comment cloned from manual.
2075         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
2076
2077 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
2078
2079         * builtins.c (build_va_arg_indirect_ref): New function.
2080         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
2081         build_fold_indirect_ref.
2082         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
2083         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
2084         * tree.h: Declare new function.
2085
2086 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2087
2088         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
2089         dumping for development builds.
2090         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
2091         development builds only.
2092         * genattrtab.c (write_eligible_delay): Fix typo in previous
2093         commit.
2094         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
2095         gcc_assert.
2096
2097 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2098
2099         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
2100         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
2101         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
2102         hoist_code, extract_mentioned_regs_helper, compute_store_table,
2103         insert_store): Use gcc_assert and gcc_unreachable.
2104         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
2105         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
2106         ggc_record_overhead): Likewise.
2107         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
2108         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
2109         ggc_pop_context, clear_marks, validate_free_objects,
2110         ggc_pch_read): Likewise.
2111         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
2112         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
2113         ggc_push_context, check_cookies, ggc_collect,
2114         ggc_print_statistics): Likewise.
2115         * gimple-low.c (lower_function_body, lower_stmt,
2116         lower_bind_expr): Likewise.
2117         * gimplify.c (gimple_tree_eq, push_gimplify_context,
2118         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
2119         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
2120         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
2121         gimplify_case_label_expr, gimplify_exit_block_expr,
2122         canonicalize_component_ref, gimplify_compound_lval,
2123         gimplify_self_mod_expr, gimplify_call_expr,
2124         gimplify_init_ctor_eval, gimplify_init_constructor,
2125         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
2126         gimplify_expr, check_pointer_types_r,
2127         force_gimple_operand): Likewise.
2128         * global.c (global_alloc, build_insn_chain): Likewise.
2129         * graph.c (clean_graph_dump_file,
2130         finish_graph_dump_file): Likewise.
2131         gcov-io.c (gcov_open): Use GCOV_CHECK.
2132
2133 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
2134
2135         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
2136
2137 2004-09-09  Jan Hubicka  <jh@suse.cz>
2138
2139         middle-end/17128
2140         * tree-inline.c (expand_call_inline): Make overactive sanity check
2141         happy.
2142
2143 2004-09-09  Jan Hubicka  <jh@suse.cz>
2144
2145         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
2146         VIEW_CONVERT_EXPR.
2147
2148 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2149
2150         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
2151         (gengtype.o): Depend on errors.h.
2152         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
2153         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
2154         attr_alt_subset_p, attr_alt_subset_of_compl_p,
2155         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
2156         write_test_expr, write_attr_value, write_eligible_delay,
2157         make_internal_attr, make_numeric_value): Likewise.
2158         * genautomata.c (regexp_name, get_str_vect,
2159         gen_presence_absence_set, automaton_decl_hash,
2160         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
2161         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
2162         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
2163         test_unit_reserv, it_is_empty_reserv_sets,
2164         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
2165         reserv_sets_and, output_cycle_reservs, get_free_state,
2166         intersected_state_reservs_p, states_union, remove_arc,
2167         copy_insn_regexp, transform_1, transform_2, transform_3,
2168         regexp_transform_func, store_alt_unit_usage,
2169         check_regexp_units_distribution, process_seq_for_forming_states,
2170         process_alts_for_forming_states, make_automaton,
2171         form_arcs_marked_by_insn, create_composed_state,
2172         set_out_arc_insns_equiv_num, partition_equiv_class,
2173         process_insn_equiv_class, set_insn_equiv_classes,
2174         units_to_automata_heuristic_distr, form_regexp,
2175         longest_path_length, output_dfa_max_issue_rate, add_vect,
2176         out_state_arcs_num, add_vect_el, output_trans_table,
2177         output_state_alts_table, output_dead_lock_vect,
2178         output_max_insn_queue_index_def,
2179         output_min_insn_conflict_delay_func,
2180         output_internal_insn_latency_func, output_print_reservation_func,
2181         output_cpu_unit_reservation_p, output_state_arcs,
2182         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
2183         make_default_insn_latency_attr,
2184         form_important_insn_automata_lists): Likewise.
2185         * genemit.c (gen_exp, output_add_clobbers,
2186         output_added_clobbers_hard_reg_p): Likewise.
2187         * genextract.c (print_path, main): Likewise.
2188         * genflags.c (gen_macro): Likewise.
2189         * gengenrtl.c: Include errors.h
2190         (type_from_format, accessor_from_format): Likewise.
2191         * gengtype.c (get_file_basename, output_mangled_typename,
2192         walk_type, write_types_process_field,
2193         write_types_local_process_field): Likewise.
2194         * genmodes.c (complete_mode): Likewise.
2195         * genopinit.c (gen_insn): Likewise.
2196         * genoutput.c (output_insn_data, check_constraint_len,
2197         constraint_len): Likewise.
2198         * genpreds.c (add_mode_tests):Likewise.
2199         * gen-protos.c (add_hash): Likewise.
2200         * genrecog.c (find_operand, find_matching_operand,
2201         validate_pattern, add_to_sequence, maybe_both_true,
2202         nodes_identical_1, merge_trees, write_switch, write_cond,
2203         write_action, is_unconditional, make_insn_sequence,
2204         debug_decision_2): Likewise.
2205         * gensupport.c (is_predicable, collect_insn_data,
2206         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
2207
2208 2004-09-09  Jan Hubicka  <jh@suse.cz>
2209
2210         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
2211         * cfgbuild.c (compute_outgoing_frequencies): When probability is
2212         missing, guess it.
2213         (find_many_sub_basic_blocks): Do update profile only when it is
2214         present.
2215         * predict.c (set_even_probabilities): Break out from ...
2216         (combine_predictions_for_insn): ... here; deal with
2217         !can_predict_insn_p insns.
2218         (combine_predictions_for_bb): Use set_even_probabilities.
2219         (bb_estimate_probability_locally): Break out from ....
2220         (estimate_probability): ... here.
2221         (guess_outgoing_edge_probabilities): New entry point.
2222
2223 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2224
2225         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
2226         handle_braces, process_brace_body, main, used_arg,
2227         set_multilib_dir, print_multilib_info): Use fatal, not abort.
2228
2229         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
2230
2231         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
2232         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
2233         Morgan's theorem in last checkin.
2234
2235 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2236             Nathan Sidwell  <nathan@codesourcery.com>
2237
2238         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
2239         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
2240         * timevar.c (timevar_push, timevar_pop, timevar_start,
2241         timevar_stop): Likewise.
2242         * toplev.c (default_pch_valid_p): Likewise.
2243         * tracer.c (tail_duplicate): Likewise.
2244         * tree-alias-common.c (get_alias_var_decl,
2245         get_values_from_constructor, create_alias_var, delete_alias_vars,
2246         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
2247         Likewise.
2248         * tree.c (tree_size, make_node_stat, copy_node_stat,
2249         build_int_cst_wide, integer_all_onesp, list_length, chainon,
2250         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
2251         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
2252         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
2253         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
2254         build_method_type_directly, decl_type_context, get_callee_fndecl,
2255         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
2256         tree_fold_gcd): Likewise.
2257         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
2258         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
2259         cleanup_control_expr_graph, find_taken_edge,
2260         find_taken_edge_switch_expr, phi_alternatives_equal,
2261         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
2262         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
2263         tree_split_edge, tree_verify_flow_info, thread_jumps,
2264         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
2265         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2266         chrec_fold_multiply_poly_poly): Likewise.
2267         * tree-complex.c (extract_component, expand_complex_division,
2268         expand_complex_comparison, expand_complex_operations_1,
2269         build_replicated_const, expand_vector_operations_1): Likewise.
2270         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
2271         build_classic_dir_vector): Likewise.
2272         * tree-dfa.c (compute_immediate_uses_for_phi,
2273         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
2274         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
2275         * tree-dump.c (dequeue_and_dump): Likewise.
2276         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
2277         record_in_finally_tree, replace_goto_queue_1,
2278         maybe_record_in_goto_queue, verify_norecord_switch_expr,
2279         do_return_redirection): Likewise.
2280         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
2281         add_to_dst_predicate_list, find_phi_replacement_condition,
2282         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
2283         Likewise.
2284         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
2285         initialize_inlined_parameters, declare_return_variable,
2286         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
2287         optimize_inline_calls, copy_tree_r): Likewise.
2288         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
2289         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
2290         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
2291         tsi_split_statement_list_after, tsi_split_statement_list_before):
2292         Likewise.
2293         * tree-mudflap.c (mf_varname_tree): Likewise.
2294         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
2295         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
2296         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2297         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
2298         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
2299         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
2300         Likewise.
2301         * tree-phinodes.c (resize_phi_node, add_phi_arg,
2302         remove_all_phi_nodes_for): Likewise.
2303         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
2304         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
2305         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
2306         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
2307         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
2308         generate_one_element_ref, generate_element_copy,
2309         generate_element_zero, scalarize_copy, scalarize_init,
2310         scalarize_ldst): Likewise.
2311         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
2312         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
2313         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
2314         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
2315         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
2316         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
2317         widen_bitfield, ccp_fold_builtin): Likewise.
2318         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
2319         replace_exp_1, propagate_tree_value): Likewise.
2320         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
2321         * tree-ssa-dce.c (set_control_dependence_map_bit,
2322         find_control_dependence, find_pdom, mark_operand_necessary,
2323         mark_stmt_if_obviously_necessary,
2324         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
2325         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
2326         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
2327         eliminate_redundant_computations, avail_expr_eq): Likewise.
2328         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
2329         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2330         duplicate_blocks): Likewise.
2331         * tree-ssa-loop-im.c (for_each_index, set_level,
2332         is_call_clobbered_ref): Likewise.
2333         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
2334         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
2335         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
2336         peel_address, ptr_difference_cost, may_replace_final_value,
2337         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
2338         rewrite_use, rewrite_uses): Likewise.
2339         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
2340         check_loop_closed_ssa_use): Likewise.
2341         * tree-ssanames.c (make_ssa_name): Likewise.
2342         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
2343         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
2344         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
2345         get_indirect_ref_operands, add_stmt_operand): Likewise.
2346         * tree-ssa-pre.c (value_exists_in_set_bitmap,
2347         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
2348         phi_translate, valid_in_set, compute_antic,
2349         find_or_generate_expression, create_expression_by_pieces, insert_aux,
2350         create_value_expr_from, eliminate): Likewise.
2351         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
2352         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
2353         Likewise.
2354         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
2355         eliminate_tail_call): Likewise.
2356         * tree-vectorizer.c (vect_create_index_for_array_ref,
2357         vect_align_data_ref, vect_create_data_ref,
2358         vect_create_destination_var, vect_get_vec_def_for_operand,
2359         vect_finish_stmt_generation, vect_transform_stmt,
2360         vect_transform_loop_bound, vect_transform_loop,
2361         vect_analyze_operations): Likewise.
2362         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
2363         Likewise.
2364         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
2365         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
2366         bsi_after_labels, bsi_last): Likewise.
2367         * tree-ssa-live.c (var_union, change_partition_var,
2368         create_ssa_var_map, calculate_live_on_entry, root_var_init,
2369         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
2370         Likewise.
2371         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
2372         tpa_find_tree): Likewise.
2373         (register_ssa_partition_check): Declare.
2374         (register_ssa_partition): use it.
2375         * tree-ssa-live.c: Include errors.h.
2376         (register_ssa_partition_check): New.
2377         * tree-ssa-operands.c: Include errors.h.
2378         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
2379
2380 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
2381             Catherine Moore  <clm@redhat.com>
2382
2383         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
2384         (FRV_CPU_FR405): New processor enums.
2385         (frv_issue_rate, frv_acc_group): Declare.
2386         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
2387         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
2388         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
2389         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
2390         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
2391         handled by CPP_SPEC.
2392         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
2393         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
2394         (ACC_MASK): New macro.
2395         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
2396         (TARGET_MEDIA_FR450): New macro.
2397         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
2398         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
2399         (LABEL_ALIGN_AFTER_BARRIER): Define.
2400         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
2401         (IACC_FIRST, IACC_LAST): New pair of SPRs.
2402         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
2403         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2404         (REGISTER_NAMES): Add entries for new registers.
2405         (REG_CLASS_CONTENTS): Update for new register ranges.
2406         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
2407         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
2408         (PACKING_FLAG_USED_P): Delete.
2409         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
2410         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
2411         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
2412         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
2413         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
2414         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
2415         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
2416         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
2417         (CPU_UNITS_QUERY): Define to 1.
2418         * config/frv/frv.c: Include gt-frv.h
2419         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
2420         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
2421         (frv_insn_group): New enumeration.
2422         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
2423         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
2424         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
2425         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
2426         gap left by REGSTATE_LIVE.
2427         (regstate_t): New typedef.
2428         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2429         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
2430         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
2431         Initialize frv_unit_codes[] and frv_type_to_unit[].
2432         (frv_conditional_register_usage): Remove redundant fixing of
2433         accumulator registers.
2434         (frv_insn_packing_flag): Update specification.
2435         (frv_function_prologue): Don't set frv_insn_packing_flag here.
2436         Zero out frv_nops[].
2437         (frv_expand_epilogue): Remove comments about the no-longer-present
2438         SIBCALL_P argument.
2439         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
2440         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
2441         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
2442         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
2443         packing is disabled and if INSN can only issue to M1.
2444         (call_operand): Check TARGET_LONG_CALLS.
2445         (acc_operand, even_acc_operand, quad_acc_operand)
2446         (accg_operand): Simplify.  Don't accept pseudo registers.
2447         (output_move_single): Handle SPR<-zero moves.
2448         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
2449         (frv_registers_update, frv_registers_used_p): Delete.
2450         (frv_registers_set_p): Delete.
2451         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
2452         (frv_issues_to_branch_unit_p): New function.
2453         (frv_packet): New structure.
2454         (frv_cond_flags, frv_regstate_conflict_p): New functions.
2455         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
2456         (frv_registers_update_1, frv_registers_update): New functions.
2457         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
2458         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
2459         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
2460         (frv_sort_insn_group, frv_reorder_packet): New functions.
2461         (frv_pack_insns): Use frv_reorder_packet.
2462         (frv_packet_address): New variable.
2463         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
2464         (frv_register_nop, frv_reorg): New functions.
2465         (bdesc_1arg): Add __SCUTSS.
2466         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
2467         __SUBSS, __SLASS and __SCAN.
2468         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
2469         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
2470         (frv_init_builtins): Register the above builtins.
2471         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
2472         registers.  Turn the referenced accumulators into global registers.
2473         (frv_read_iacc_argument): New function.
2474         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
2475         (frv_split_iacc_move): New function.
2476         (frv_expand_builtin): Handle the new builtins.
2477         * config/frv/frv.md: Replace old schedulers with new order-independent
2478         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
2479         packing algorithm.
2480         (cpu): Add fr550, fr450 and fr405.
2481         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
2482         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
2483         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
2484         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
2485         (fnop, mnop): New patterns.
2486         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
2487         New constants.
2488         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
2489         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
2490         registers.
2491         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
2492         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
2493         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
2494         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
2495         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
2496         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
2497         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
2498         (frv_prefetch0, frv_prefetch): New patterns.
2499         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
2500         -mcpu=simple.  Add -mcpu=fr550.
2501         (MULTILIB_DIRNAMES): Update accordingly.
2502         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
2503         -mcpu=fr450.
2504         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
2505         -mlong-calls and -malign-labels options for FR-V.
2506
2507 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2508
2509         PR c/8420
2510         * c-tree.h (struct c_declspecs): New.
2511         (struct c_declarator, struct c_type_name, struct c_parm): Update
2512         element types.
2513         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
2514         start_function, start_decl, build_c_parm,
2515         make_pointer_declarator): Update prototypes.
2516         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2517         declspecs_add_scspec, declspecs_add_attrs): New.
2518         (split_specs_attrs): Remove.
2519         * c-parse.in (%union): Add dsptype.
2520         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2521         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2522         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2523         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2524         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2525         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2526         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2527         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2528         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2529         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2530         maybe_type_quals_attrs): Change to dsptype.
2531         (struct c_declspec_stack): New.
2532         (current_declspecs, declspec_stack): Change type.
2533         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
2534         structures.
2535         (extdefs): Likewise.
2536         (setspecs): Likewise.
2537         (fndef): Use current_declspecs for empty declspecs list.
2538         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2539         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2540         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2541         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2542         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2543         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2544         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2545         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
2546         structures and helper functions.  Update comments.
2547         (typespec_nonattr): Correct comment.
2548         (maybe_type_quals_attrs, typename): Update to new structures.
2549         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
2550         shadow_tag, shadow_tag_warned, start_function, start_decl,
2551         build_c_parm, make_pointer_declarator,
2552         set_array_declarator_inner, groktypename): Update to new
2553         structures.
2554         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2555         declspecs_add_scspec, declspecs_add_attrs): New.
2556         (split_specs_attrs): Remove.
2557         (shadow_tag_warned): Make warning for useless type names a
2558         pedwarn.  Give hard error for long, short, signed, unsigned or
2559         _Complex used with struct, union or enum in empty declaration.
2560         Make found_tag a bool.
2561         (grokdeclarator): Remove checks now done at parse time.
2562
2563 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2564
2565         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
2566         c_declarator, struct c_type_name, struct c_parm): New.
2567         (build_array_declarator, set_array_declarator_inner,
2568         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
2569         start_function, start_decl, build_c_parm, build_attrs_declarator,
2570         build_function_declarator, make_pointer_declarator, c_cast_expr,
2571         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
2572         (build_id_declarator): New.
2573         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
2574         structures.
2575         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
2576         ARG_INFO_OTHERS): Remove.
2577         (build_id_declarator): New.
2578         (build_array_declarator, set_array_declarator_inner, groktypename,
2579         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
2580         grokfield, start_function, store_parm_decls_newstyle,
2581         store_parm_decls_oldstyle, store_parm_decls,
2582         build_c_parm, build_attrs_declarator, build_function_declarator,
2583         make_pointer_declarator, grokdeclarator): Update to new
2584         structures.
2585         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
2586         parmtype.
2587         (declarator, notype_declarator, after_type_declarator,
2588         parm_declarator, parm_declarator_starttypename,
2589         parm_declarator_nostarttypename, array_declarator, typename,
2590         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
2591         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
2592         parmlist_1, parmlist_2, parmlist_or_identifiers,
2593         parmlist_or_identifiers_1): Use these types.
2594         (primary, after_type_declarator, parm_declarator_starttypename,
2595         notype_declarator, component_decl, component_declarator,
2596         component_notype_declarator, typename, absdcl,
2597         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
2598         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
2599
2600 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2601
2602         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
2603         in_typeof, record_maybe_used_decl, pop_maybe_used,
2604         c_expr_sizeof_expr, c_expr_sizeof_type): New.
2605         * c-decl.c (parser_obstack): New.
2606         (c_init_decl_processing): Initialize parser_obstack.
2607         (c_write_global_declarations_1): Check for used but undefined
2608         static functions.
2609         * c-parse.in (%union): Add otype.
2610         (save_obstack_position): New.
2611         (extdefs): Use it.
2612         (unary_expr): Update in_sizeof and in_alignof.  Use
2613         c_expr_sizeof_expr and c_expr_sizeof_type.
2614         (sizeof): Update in_sizeof.
2615         (alignof): Update in_alignof.
2616         (typeof): Update in_typeof.
2617         (typespec_nonreserved_nonattr): Call pop_maybe_used.
2618         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
2619         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
2620         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
2621         (build_external_ref): Set C_DECL_USED or call
2622         record_maybe_used_decl if appropriate.
2623         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
2624
2625 2004-09-08  Eric Christopher  <echristo@redhat.com>
2626
2627         * builtins.c: Fix prototype for fold_builtin_atan.
2628
2629 2004-09-08  Eric Christopher  <echristo@redhat.com>
2630
2631         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
2632         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
2633         fold_builtin_atan): New functions. Migrate function bodies...
2634         (fold_builtin_1): ... from here.
2635
2636 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
2637
2638         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
2639         save_size.
2640
2641 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
2642
2643         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
2644         * config/rs6000/power5.md (power5-lmul): Same.
2645
2646 2004-09-08  Richard Henderson  <rth@redhat.com>
2647
2648         PR rtl-opt/17186
2649         * function.c (expand_function_end): Have fall-off-the-end
2650         return path jump around return register setup.
2651
2652 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2653
2654         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
2655         (output_return): Do not test for the presence of the 'unimp' insn.
2656         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
2657         as predicates instead of custom ones.  Return raw strings when
2658         possible.
2659         (output_sibcall): Likewise.  Concatenate strings.
2660         (output_ubranch): Remove kludge for TurboSPARC.
2661         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
2662         (output_v9branch): Likewise.
2663         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
2664         <#>: Set sparc_indent_opcode if the delay slot is filled.
2665         <(>: Likewise.
2666         <)>: New operand to emit the displacement from the saved PC on return.
2667         <@>: Remove.
2668         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
2669         (ASM_OUTPUT_OPCODE): New macro.
2670         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
2671         * config/sparc/sparc.md (normal_branch, inverted_branch,
2672         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
2673         inverted_fpe_branch): Adjust call to output_cbranch.
2674         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
2675         call to output_v9branch.
2676         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
2677         (output_v9branch): Likewise.
2678
2679 2004-09-08  Devang Patel  <dpatel@apple.com>
2680
2681         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
2682         -segs_read_only_addr and -segs_read_write_addr.
2683         (WORD_SWITCH_TAKES_ARG): Same.
2684         (LINK_SPEC): Same.
2685         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
2686         -segs_read_write_addr.
2687
2688 2004-09-08  Richard Henderson  <rth@redhat.com>
2689
2690         * function.c (reference_callee_copied): New.
2691         (assign_parm_setup_reg): Use it.
2692         * calls.c (initialize_argument_information): Likewise.
2693         (emit_library_call_value_1): Likewise.
2694         * function.h (reference_callee_copied): Declare.
2695
2696         * target.h (struct gcc_target): Add callee_copies.
2697         * target-def.h (TARGET_CALLEE_COPIES): New.
2698         (TARGET_PASS_BY_REFERENCE): Update default.
2699         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2700         * targhooks.c (hook_callee_copies_named): New.
2701         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
2702         hook_pass_by_reference_false.
2703         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
2704         * targhooks.h: Update decls.
2705         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
2706         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2707         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
2708         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
2709         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2710         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
2711         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2712         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
2713         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2714         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
2715         (mips_callee_copies): New.
2716         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2717         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
2718         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2719         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
2720         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2721         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
2722         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2723         * config/sh/sh.c (sh_callee_copies): New.
2724         (TARGET_CALLEE_COPIES): New.
2725         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2726         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
2727         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
2728         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
2729         for FUNCTION_ARG_CALLEE_COPIES.
2730         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
2731
2732 2004-09-08  Devang Patel  <dpatel@apple.com>
2733
2734         * tree-if-conv.c (find_phi_replacement_condition): Return true
2735         edge block.
2736         (replace_phi_with_cond_modify_expr): Select conditional expr args
2737         based on true edge basic block.
2738
2739 2004-09-08  Jan Hubicka  <jh@suse.cz>
2740
2741         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
2742         variables being alias set.
2743
2744 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
2745
2746         * final.c (shorten_branches, final, get_insn_template,
2747         output_alternate_entry_point, final_scan_insn, alter_subreg,
2748         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
2749         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
2750         * fix-header.c (lookup_std_proto): Likewise.
2751         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
2752         verify_local_live_at_start, update_life_info, mark_reg,
2753         calculate_global_regs_live, allocate_reg_life_data,
2754         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
2755         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
2756         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
2757         * fold-const.c (force_fit_type, div_and_round_double,
2758         may_negate_without_overflow_p, int_const_binop, const_binop,
2759         size_binop, size_diffop, fold_convert_const, fold_convert,
2760         invert_tree_comparison, swap_tree_comparison,
2761         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
2762         range_binop, make_range, fold_cond_expr_with_comparison,
2763         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
2764         fold_abs_const, fold_not_const, fold_relational_const, round_up,
2765         round_down): Likewise.
2766         * function.c (find_function_data, assign_stack_temp_for_type,
2767         instantiate_virtual_regs_lossage, aggregate_value_p,
2768         assign_parm_find_entry_rtl, assign_parm_setup_block,
2769         expand_function_start, expand_function_end, keep_stack_depressed,
2770         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
2771
2772 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
2773
2774         * Makefile.in (tree-loop-linear.o): Added.
2775         (OBJS-common): Add tree-loop-linear.o
2776         * common.opt: New flag, ftree-loop-linear.
2777         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
2778         * tree-flow.h: Add prototype for linear_transform_loops.
2779         * tree-optimize.c: Add linear transform after vectorization.
2780         * tree-pass.h: Add struct pass_linear_transform.
2781         * tree-ssa-loop.c: Add pass_linear_transform.
2782         * tree-loop-linear.c: New file.
2783         * lambda-code.c: gcc_assertify.
2784         (gcc_loop_to_lambda_loop): Handle all exit tests.
2785         Handle case where we have (invariant >= induction var).
2786         (find_induction_var_from_exit_cond): Ditto.
2787
2788 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
2789
2790         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
2791         memory tag is call clobbered, so are its aliases.
2792         (group_aliases): When two memory tags being grouped, if one is
2793         call clobbered, so are the other and its aliases.
2794         (add_may_alias): Remove call-clobbering stuff.
2795         (replace_may_alias): Likewise.
2796         (merge_pointed_to_info): Merge pt_global_mem
2797
2798 2004-09-08  Jan Hubicka  <jh@suse.cz>
2799
2800         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
2801         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
2802         (cgraph_expand_function): Remove stale cgraph edges of currently
2803         compiled function; fix non-unit-at-a-time code copying function
2804         node for later reuse.
2805
2806 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
2807
2808         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
2809         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
2810         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
2811         (vec_gc_free, vec_heap_free): New.
2812         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
2813         (DEF_VEC_P): Add allocator argument. Adjust.
2814         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
2815         (DEF_VEC_O): Add allocator argument. Adjust.
2816         (VEC(free)): New.
2817
2818         * tree.h (tree): Define a GC'd vector.
2819         * lamba-code.c (lambda_loop): Likewise.
2820         * value-prof.h (histogram_value): Likewise.
2821
2822 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
2823
2824         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
2825         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
2826         gen_lowpart_common, gen_highpart, gen_highpart_mode,
2827         subreg_highpart_offset, operand_subword, operand_subword_force,
2828         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
2829         set_mem_alias_set, change_address_1, verify_rtx_sharing,
2830         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
2831         try_split, add_insn_after, add_insn_before, remove_insn,
2832         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
2833         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
2834         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
2835         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
2836         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
2837         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
2838         record_path_before_1, check_path_after_1, check_path_after): Likewise.
2839         * except.c (gen_eh_region, resolve_one_fixup_region,
2840         remove_unreachable_regions, convert_from_eh_region_ranges_1,
2841         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
2842         connect_post_landing_pads, sjlj_emit_function_exit,
2843         remove_exception_handler_label, remove_eh_handler,
2844         reachable_next_level, collect_one_action_chain,
2845         output_function_exception_table): Likewise.
2846         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
2847         optimize_save_area_alloca, allocate_dynamic_stack_space,
2848         probe_stack_range, hard_function_value): Likewise.
2849         * expmed.c (mode_for_extraction, store_bit_field,
2850         store_fixed_bit_field, extract_bit_field, expand_shift,
2851         expand_mult_const, expand_mult, choose_multiplier,
2852         expand_mult_highpart, expand_divmod, emit_store_flag,
2853         do_cmp_and_jump): Likewise.
2854         * expr.c (convert_move, convert_modes, move_by_pieces,
2855         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
2856         move_block_from_reg, gen_group_rtx, emit_group_load,
2857         emit_group_move, emit_group_store, use_reg, use_regs,
2858         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
2859         emit_move_insn, emit_move_insn_1, emit_push_insn,
2860         expand_assignment, store_expr, count_type_elements,
2861         store_constructor, store_field, safe_from_p, expand_var,
2862         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
2863
2864 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
2865
2866         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
2867         gcc_assert and gcc_unreachable.
2868         * ddg.c (create_ddg_dependence, add_deps_for_def,
2869         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
2870         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
2871         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
2872         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
2873         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
2874         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
2875         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
2876         dataflow_set_copy, hybrid_search, diagnostic.c,
2877         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
2878         * dojump.c (do_jump): Likewise.
2879         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
2880         compute_dom_fast_query, calculate_dominance_info,
2881         free_dominance_info, get_immediate_dominator,
2882         set_immediate_dominator, get_dominated_by,
2883         redirect_immediate_dominators, nearest_common_dominator,
2884         dominated_by_p, verify_dominators, recount_dominator,
2885         iterate_fix_dominators, add_to_dominance_info,
2886         delete_from_dominance_info): Likewise.
2887         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
2888         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
2889         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
2890         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
2891         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
2892         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
2893         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
2894         output_call_frame_info, output_loc_operands, build_cfa_loc,
2895         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
2896         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
2897         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
2898         splice_child_die, attr_checksum, same_dw_val_p,
2899         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
2900         unmark_dies, value_format, output_loc_list, output_die,
2901         output_pubnames, output_aranges, base_type_die, is_base_type,
2902         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
2903         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
2904         field_byte_offset, add_data_member_location_attribute,
2905         add_const_value_attribute, rtl_for_decl_location,
2906         add_location_or_const_value_attribute, add_byte_size_attribute,
2907         add_bit_offset_attribute, add_bit_size_attribute,
2908         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
2909         decl_start_label, gen_formal_parameter_die,
2910         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
2911         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
2912         force_decl_die, force_type_die, gen_decl_die,
2913         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
2914         dwarf2out_finish): Likewise.
2915
2916 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
2917
2918         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
2919         * builtins.c: Include tree-mudflap.h.
2920
2921 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
2922
2923         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2924         force operand 0.0 into register in XFmode. Also do not force
2925         operand 0.0 into register if !TARGET_CMOVE.
2926         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
2927         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
2928         implement ftst x87 instruction.
2929         (*fp_jcc_7): New insn pattern. Change corresponding split
2930         pattern to handle "general_operand" instead of
2931         "nonimmediate_operand".
2932
2933 2004-09-08  Ben Elliston  <bje@au.ibm.com>
2934
2935         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
2936
2937 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
2938
2939         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
2940         generated from standard va_arg expansion.
2941         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
2942         marked nodes.
2943         (mf_varname_tree, mf_file_function_line_tree): Add some support
2944         for column numbers if compiled with USE_MAPPED_LOCATION.
2945
2946 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
2947
2948         * c-decl.c (groktypename_in_parm_context): Remove function.
2949         * c-tree.h (groktypename_in_parm_context): Remove prototype.
2950
2951 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
2952
2953         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
2954         * c-parse.in: Include c-common.h instead of objc-act.h.
2955         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
2956         myparms, myparm): Remove %type declarations.
2957         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
2958         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
2959         declarations.
2960         (objc_inherit_code, objc_public_flag): Remove.
2961         (typespec_nonreserved_nonattr): Call
2962         objc_get_protocol_qualified_type() instead of get_static_reference()
2963         and get_protocol_reference().
2964         (stmt_nocomp): Call grokparm() on @catch parameter.
2965         (objcdef): Move semantic action to objc_finish_implementation().
2966         (classdef): Move semantic action to objc_start_class_interface(),
2967         objc_continue_interface(), objc_finish_interface(),
2968         objc_start_class_implementation(), objc_continue_implementation(),
2969         objc_start_category_interface() and
2970         objc_start_category_implementation().
2971         (protocoldef): Move semantic actions to objc_start_protocol() and
2972         objc_finish_interface().
2973         (ivar_decl_list): Remove nonterminal.
2974         (visibility_spec): Move semantic actions to objc_set_visibility().
2975         (ivar_decls): Remove assignment to $$.
2976         (ivar_decl): Rephrase in terms of component_decl; call
2977         objc_add_instance_variable().
2978         (ivars, ivar_declarator): Remove nonterminals.
2979         (opt_semi): New nonterminal.
2980         (methodtype): Remove semantic actions.
2981         (methoddef): Move semantic actions to objc_set_method_type(),
2982         objc_start_method_definition() and objc_finish_method_definition().
2983         (methodproto): Move semantic actions to objc_set_method_type() and
2984         objc_add_method_declaration().
2985         (methoddecl): Use objc_typename instead of typename; move semantic
2986         actions to objc_build_method_signature().
2987         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
2988         (optparmlist): Express in terms of optparms and optellipsis.
2989         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
2990         nonterminals.
2991         (keyworddecl): Use objc_typename instead of typename.
2992         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
2993         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
2994
2995 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
2996
2997         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
2998         (MD_FALLBACK_FRAME_STATE_FOR): Update.
2999         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
3000         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
3001         (MD_FROB_UPDATE_CONTEXT): Remove default.
3002         (uw_update_context_1): Instead #ifdef invocation.
3003         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
3004         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
3005         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
3006         (MD_UNWIND_SUPPORT): Undefine this instead.
3007         * config/i386/gnu.h: Likewise.
3008         * config/alpha/linux-unwind.h: New file, macro converted to
3009         function, extracted from..
3010         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
3011         (MD_UNWIND_SUPPORT): Define.
3012         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
3013         * config/i386/linux-unwind.h, config/i386/linux.h,
3014         config/i386/linux64.h: Likewise.
3015         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
3016         MD_HANDLE_UNWABI too.
3017         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
3018         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
3019         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
3020         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
3021         * config/sparc/linux-unwind.h, config/sparc/linux.h,
3022         config/sparc/linux64.h: Likewise.
3023         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
3024         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
3025         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
3026         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
3027         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
3028
3029 2004-09-07  Jan Hubicka  <jh@suse.cz>
3030
3031         * cse.c (fold_rtx):  Avoid building of
3032         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
3033
3034         * tree-ssa-pre.c (grand_bitmap_obstack): New.
3035         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
3036         (init_pre): Initialize obstack.
3037         (fini_pre): Free obstack.
3038
3039 2004-09-07  David Daney  <ddaney@avtrex.com>
3040
3041         * config.gcc: Added support for --with-divide=[breaks|traps] for
3042         mips targets.
3043         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
3044         (TARGET_DIVIDE_TRAPS): New macro.
3045         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
3046         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
3047         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
3048         GENERATE_DIVIDE_TRAPS.
3049         (mips_output_division): Emit conditional trap if
3050         GENERATE_DIVIDE_TRAPS is set.
3051         * doc/install.texi: Document --with-divide.
3052         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
3053
3054 2004-09-07  Caroline Tice  <ctice@apple.com>
3055
3056         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
3057         EDGE_CROSSING, to flags test case.
3058
3059 2004-09-07  Jan Hubicka  <jh@suse.cz>
3060
3061         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
3062         class too.
3063
3064 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3065
3066         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
3067         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
3068         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
3069         or gcc_unreachable.
3070         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
3071         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
3072         alloc_aux_for_edges, free_aux_for_edges): Likewise.
3073         * cfgcleanup.c (try_forward_edges,
3074         merge_blocks_move_predecessor_nojumps,
3075         merge_blocks_move_successor_nojumps): Likewise.
3076         * cfgexpand.c (expand_gimple_cond_expr,
3077         expand_gimple_tailcall): Likewise.
3078         * cfghooks.c (duplicate_block): Likewise.
3079         * cfglayout.c (record_effective_endpoints,
3080         insn_locators_initialize, change_scope, fixup_reorder_chain,
3081         verify_insn_chain, fixup_fallthru_exit_predecessor,
3082         duplicate_insn_chain, cfg_layout_finalize): Likewise.
3083         * cfgloopanal.c (check_irred): Likewise.
3084         * cfgloop.c (superloop_at_depth, flow_loops_free,
3085         flow_loop_entry_edges_find, flow_loops_find,
3086         flow_loop_outside_edge_p, get_loop_body,
3087         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
3088         get_loop_exit_edges, num_loop_branches, cancel_loop,
3089         verify_loop_structure): Likewise.
3090         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
3091         duplicate_loop_to_header_edge, create_preheader,
3092         create_loop_notes): Likewise.
3093         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
3094         edirect_branch_edge, force_nonfallthru_and_redirect,
3095         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
3096         commit_edge_insertions, commit_edge_insertions_watch_calls,
3097         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3098         cfg_layout_redirect_edge_and_branch_force,
3099         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
3100         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
3101         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
3102         cgraph_varpool_node): Likewise.
3103         * cgraphunit.c (cgraph_finalize_function,
3104         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
3105         cgraph_expand_function, cgraph_remove_unreachable_nodes,
3106         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
3107         cgraph_mark_inline, cgraph_expand_all_functions,
3108         cgraph_build_static_cdtor): Likewise.
3109         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
3110         simplify_logical, distribute_notes, insn_cuid): Likewise.
3111         * conflict.c (conflict_graph_add, print_conflict): Likewise.
3112         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
3113         coverage_checksum_string): Likewise.
3114         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
3115         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
3116         cse_cc_succs, cse_condition_code_reg): Likewise.
3117         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
3118         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
3119         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
3120         cselib_record_set): Likewise.
3121
3122 2004-09-07  Jan Hubicka  <jh@suse.cz>
3123
3124         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
3125
3126 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3127
3128         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
3129         fold_convert.
3130         (fold_builtin_strpbrk): Likewise.
3131         * expr.c (array_ref_low_bound): Likewise.
3132         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
3133         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
3134         * tree-sra.c (generate_element_zero): Likewise.
3135         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
3136         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
3137         add_old_iv_candidates, add_iv_candidates): Likewise.
3138         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
3139
3140 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3141
3142         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
3143         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
3144         c_expand_expr, boolean_increment, nonnull_check_p,
3145         check_function_arguments_recurse, fold_offsetof_1): Likewise.
3146         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
3147         builtin_define_type_max): Likewise.
3148         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
3149         implicit_decl_warning, builtin_function, build_compound_literal,
3150         complete_array_type, grokdeclarator, get_parm_info,
3151         start_function, store_parm_decls_oldstyle,
3152         c_write_global_declarations): Likewise.
3153         * c-format.c (get_constant, decode_format_attr,
3154         maybe_read_dollar_number, get_flag_spec, check_format_arg,
3155         check_format_types, format_type_warning,
3156         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
3157         init_dynamic_diag_info, handle_format_attribute): Likewise.
3158         * c-gimplify.c (push_context, pop_context, finish_bc_block):
3159         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
3160         * c-objc-common.c (c_tree_printer): Likewise.
3161         * c-pch.c (pch_init): Likewise.
3162         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
3163         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
3164         * c-typeck.c (c_incomplete_type_error, composite_type,
3165         common_pointer_type, common_type, same_translation_unit_p,
3166         tagged_types_tu_compatible_p, finish_init, pop_init_level,
3167         set_designator, set_nonincremental_init_from_string,
3168         process_init_element, c_finish_if_stmt): Likewise.
3169         * caller-save.c (init_caller_save, save_call_clobbered_regs,
3170         insert_restore, insert_save, insert_one_insn): Likewise.
3171         * calls.c (emit_call_1, compute_argument_block_size,
3172         precompute_arguments, expand_call, emit_library_call_value_1,
3173         store_one_arg): Likewise.
3174
3175 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3176
3177         * configure.ac (enable-checking): Add release option. Reorganize
3178         to avoid repetition.
3179         * configure: Rebuilt.
3180         * doc/install.texi (enable-checking): Amend documentation.
3181
3182 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
3183
3184         PR bootstrap/17313
3185         * Makefile.in (specs.ready): Depend on cc1$(exeext).
3186
3187 2004-09-06  James E Wilson  <wilson@specifixinc.com>
3188
3189         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
3190         movdf_hardfloat_32bit): Split fG into two alternatives.
3191         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
3192
3193         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
3194
3195 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3196
3197         * final.c (output_in_slot): Delete.
3198         (final_scan_insn): Revert 2004-09-03 change.
3199         (output_asm_insn): Likewise.
3200         * config/sparc/sparc.c (output_return): Likewise.
3201         (output_sibcall): Likewise.
3202
3203 2004-09-06  Jan Hubicka  <jh@suse.cz>
3204
3205         * loop.c (loop_dump_aux): Do not print RTL when not available.
3206         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
3207         frontend specific type nodes.
3208         (produce_memory_decl_rtl): Break out from ...
3209         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
3210         (get_computation_at): Avoid random tree sharing.
3211         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
3212
3213 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
3214
3215         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
3216         unnecessary commands.
3217
3218 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
3219
3220         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
3221         (bitmap.o): Likewise.
3222
3223 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
3224
3225         Unify the management of RTL and tree-level dump files.
3226
3227         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
3228         Don't print function name to the dump file, the pass manager
3229         would do this for us. Add code from the top of
3230         rest_of_compilation, up to the initial RTL dump.
3231         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
3232         close the DFI_sibling dump file.
3233         (rest_of_compilation): Don't do that here.  Remove code up to the
3234         initial RTL dump.
3235         (init_optimization_passes): Remove.
3236         (pass_rest_of_compilation): Change pass name to NULL.
3237         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
3238         Do not call init_optimization_passes.
3239         * toplev.h (init_optimization_passes): Remove.
3240
3241         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
3242         finish_graph_dump_file): Remove SUFFIX parameter.
3243         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
3244         finish_graph_dump_file): Likewise.
3245
3246         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
3247         * cfgexpand.c (pass_expand): Adjust.
3248         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
3249         * passes.c (pass_rest_of_compilation): Adjust.
3250         * predict.c (pass_profile): Adjust.
3251         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
3252         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
3253         pass_split_crit_edges, pass_warn_function_return): Adjust.
3254         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
3255         * tree-dfa.c (pass_referenced_vars): Adjust.
3256         * tree-eh.c (pass_lower_eh): Adjust.
3257         * tree-if-conv.c (pass_build_ssa): Adjust.
3258         * tree-into-ssa.c (pass_build_ssa): Adjust.
3259         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
3260         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
3261         * tree-nrv.c (pass_nrv): Adjust.
3262         * tree-optimize.c (pass_gimple, pass_all_optimizations,
3263         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
3264         pass_init_datastructures): Adjust.
3265         * tree-outof-ssa.c (pass_del_ssa): Adjust.
3266         * tree-profile.c (pass_tree_profile): Adjust.
3267         * tree-sra.c (pass_sra): Adjust.
3268         * tree-ssa-alias.c (pass_may_alias): Adjust.
3269         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
3270         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
3271         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
3272         * tree-ssa-dom.c (pass_dominator): Adjust.
3273         * tree-ssa-dse.c (pass_dse): Adjust.
3274         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
3275         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
3276         * tree-ssa-loop-ch.c (pass_ch): Adjust.
3277         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
3278         pass_loop_done, pass_complete_unroll, pass_iv_canon,
3279         pass_iv_optimize, pass_vectorize): Adjust.
3280         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
3281         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
3282         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
3283         pass_late_warn_uninnitialized): Adjust.
3284         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
3285
3286         * Makefile.in (tree-dump.o): Add new dependencies.
3287         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
3288         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
3289         Likewise.
3290         * toplev.c (dump_file_name): New.
3291         * tree-dump.c (dump_enable_all): Add LETTER parameter.
3292         (struct dump_file_info): Add NUM and LETTER fields.
3293         (dump_files): Adjust and add RTL dump files.
3294         (dump_register): Add NUM and LETTER fields.
3295         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
3296         (dump_begin): Use get_dump_file_name.
3297         (dump_switch_p_1): Adjust call to dump_enable_all.
3298         * tree-dump.h (dump_register): Adjust prototype.
3299         * tree-optimize.c (register_one_dump_file): Take dump file index.
3300         Support flags for RTL dumps.
3301         (register_dump_files): Fill in NUM field of struct dump_file_info.
3302         Track properties both when the gate is executed and when it is not.
3303         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
3304         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
3305         dumps of RTL.
3306         * tree-pass.h (dump_file_name): New.
3307         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
3308         New.
3309
3310         * Makefile.in (passes.o): Add new dependencies.
3311         * passes.c (struct dump_file_info, enum dump_file_index,
3312         dump_file_tbl, init_optimization_passes): Remove.
3313         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
3314         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
3315         dump_enabled_p.
3316         (finish_optimization_passes): Update finish_graph_dump_file loop.
3317         (enable_rtl_dump_file): Remove.
3318         * tree-dump.c (dump_files): Adjust and add RTL dump files.
3319         (enable_rtl_dump_file): Add here.
3320         * tree.h (enum tree_dump_index): Add RTL dump file indices.
3321         * doc/invoke.texi (Debugging options): Document new RTL debugging
3322         options.  Update.
3323
3324 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
3325
3326         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
3327         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
3328         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
3329         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
3330         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
3331         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
3332         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
3333         vec.h: Fix comment formatting.
3334
3335 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
3336
3337         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
3338         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
3339         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
3340         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
3341         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
3342         tree-ssa-loop-niter.c, tree-ssa-operands.c,
3343         tree-ssa-operands.h, tree-ssa-propagate.c,
3344         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
3345         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
3346
3347 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
3348
3349         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
3350         vectorizer is enabled.
3351
3352 2004-09-05  Andreas Jaeger  <aj@suse.de>
3353
3354         * tree-if-conv.c: Spell check comments and clean up whitespace.
3355
3356 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3357
3358         * tree-ssa-loop-ivopts.c: New file.
3359         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
3360         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
3361         target_pres_cost, target_spill_cost): Declare.
3362         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
3363         spill_cost): Renamed to ...
3364         (target_avail_regs, target_res_regs, target_small_cost,
3365         target_pres_cost, target_spill_cost): ... and exported.
3366         (init_set_costs, global_cost_for_size): Work with renamed variables.
3367         * common.opt (flag_ivopts): New flag.
3368         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
3369         REF_ORIGINAL.
3370         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
3371         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
3372         generating SSA form.
3373         (force_gimple_operand): New function.
3374         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
3375         * tree-cfg.c (stmt_bsi): New function.
3376         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
3377         PARAM_IV_MAX_CONSIDERED_USES): New.
3378         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
3379         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
3380         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
3381         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
3382         * tree-nested.c (build_addr): Export.
3383         * tree-optimize.c (init_tree_optimization_passes): Add
3384         pass_iv_optimize.
3385         * tree-pass.h (pass_iv_optimize): Declare.
3386         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
3387         IMAGPART_EXPR.
3388         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
3389         as a phi node argument.
3390         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
3391         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
3392         functions.
3393         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
3394         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
3395         pass_iv_optimize): New pass.
3396         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
3397         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
3398         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
3399         * tree.h (REF_ORIGINAL): New macro.
3400         (build_int_cst_type, unsigned_type_for, zero_p,
3401         cst_and_fits_in_hwi, build_addr): Declare.
3402         * doc/invoke.texi (-fivopts): Document.
3403         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
3404         PARAM_IV_MAX_CONSIDERED_USES): Document.
3405         * doc/passes.texi: Document induction variable optimizations pass.
3406
3407 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3408
3409         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
3410         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
3411         * c-common.c (c_common_attribute_table): Accept parameters to
3412         sentinel attribute.
3413         (check_function_sentinel, handle_sentinel_attribute): Likewise.
3414         * doc/extend.texi: Update accordingly.
3415
3416 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3417
3418         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
3419         New.
3420         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
3421         attribute.
3422         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
3423         New functions.
3424         (c_common_attribute_table): Add `sentinel' attribute.
3425         (check_function_arguments): Handle `sentinel' attribute.
3426         * doc/extend.texi: Document `sentinel' attribute.
3427
3428 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
3429
3430         * configure: Regenerated.
3431
3432 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3433
3434         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
3435
3436         * tree.c (save_expr): No longer TREE_READONLY.
3437
3438 2004-09-04  Jan Hubicka  <jh@suse.cz>
3439
3440         * passes.c (rest_of_clean_state):  Fix merge conflict made during
3441         commiting the patch.
3442
3443 2004-09-04  Jan Hubicka  <jh@suse.cz>
3444
3445         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
3446
3447 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3448
3449         * doc/md.texi (shift patterns): New anchor.  Add reference to
3450         TARGET_SHIFT_TRUNCATION_MASK.
3451         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
3452         * target.h (shift_truncation_mask): New target hook.
3453         * targhook.h (default_shift_truncation_mask): Declare.
3454         * targhook.c (default_shift_truncation_mask): Define.
3455         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
3456         (TARGET_INITIALIZER): Include it.
3457         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
3458         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
3459         reject all out-of-range values.  Fix sign-extension code for modes
3460         whose width is smaller than HOST_BITS_PER_WIDE_INT.
3461         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
3462         (expand_superword_shift, expand_subword_shift): Likewise.
3463         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
3464         (expand_binop): Use them to implement double-word shifts.
3465         * config/arm/arm.c (arm_shift_truncation_mask): New function.
3466         (TARGET_SHIFT_TRUNCATION_MASK): Define.
3467
3468 2004-09-04  Jan Hubicka  <jh@suse.cz>
3469
3470         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
3471         (mix): New macro copied from hashtab.c
3472         (iterative_hash_hashval_t, iterative_hash_pointer,
3473         iterative_hash_host_wide_int): New functions based on hashtab.c
3474         implementation.
3475
3476 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3477
3478         * config/mips/mips.md (mask): New mode attribute.
3479         (zero_extendsidi2): Add memory alternative.
3480         (*zero_extendsidi2_mem): Delete.
3481         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
3482         memory_operand in the TARGET_MIPS16 check.
3483         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
3484         Redefine using :GPR and :SHORT.
3485         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
3486
3487 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
3488
3489         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
3490         using rint_optab.
3491         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
3492         expand_builtin_mathfn.
3493         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
3494         btrunc?f patterns for btrunc_optab. Implement rint_optab using
3495         rint?f patterns.
3496         * optabs.c (init_optabs): Initialize rint_optab.
3497         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
3498         Add new OTI_rint.
3499         (btrunc_optab): Rename macro from trunc_optab.
3500         (rint_optab): Define corresponding macro.
3501
3502         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
3503         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
3504
3505         * config/i386/i386-protos.h (emit_i387_cw_initialization):
3506         Change prototype. Add new int parameter.
3507         * config/i386/i386.c (emit_i387_cw_initialization):
3508         Handle new rounding modes.
3509
3510         * config/i386/i386.h (enum fp_cw_mode): Delete.
3511         (MODE_NEEDED): Handle new rounding modes.
3512         (EMIT_MODE_SET): Change condition to handle new rounding modes.
3513
3514         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
3515         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
3516         represent different rounding modes of frndint insn.
3517         (type): Add frndint type.
3518         (i387, length, memory): Handle this type.
3519         (i387_cw): New attribute definition.
3520         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
3521         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
3522         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
3523         Add "i387_cw" attribute defined to "trunc".
3524         (x86_fnstcw_1): Remove comment.
3525         (*frndintxf2): Rename insn definition to frndintxf2. Move
3526         insn definition near rint?f2 expanders.
3527         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
3528         rintf and rintl built-ins as inline x87 intrinsics.
3529         (frndintxf2_floor): New pattern to implement floor rounding
3530         mode with frndint x87 instruction.
3531         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
3532         floorf and floorl built-ins as inline x87 intrinsics.
3533         (frndintxf2_ceil): New pattern to implement ceil rounding
3534         mode with frndint x87 instruction.
3535         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
3536         ceilf and ceill built-ins as inline x87 intrinsics.
3537         (frndintxf2_trunc): New pattern to implement trunc rounding
3538         mode with frndint x87 instruction.
3539         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
3540         truncf and truncl built-ins as inline x87 intrinsics.
3541         (frndintxf2_mask_pm): New pattern to implement rounding
3542         mode with exceptions with frndint x87 instruction.
3543         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
3544         implement nearbyint, nearbyintf and nearbyintl built-ins as
3545         inline x87 intrinsics.
3546
3547 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3548
3549         * config/mips/mips.md (SHORT): New mode macro.
3550         (size): New mode attribute.
3551         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
3552         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
3553         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
3554         !ISA_HAS_SEB_SEH.
3555         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
3556         *extend[qh]isi2_hw patterns and extending them to di.
3557         (extendqihi2): Implement as define_insn_and_split that produces
3558         extendqisi2 after reload.
3559
3560 2004-09-03  Devang Patel  <dpatel@apple.com>
3561
3562         * Makefile.in (OBJS-common): Add tree-if-conv.o
3563         (tree-if-conv.o): New rule.
3564         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
3565         (get_loop_body_in_bfs_order): New.
3566         * cfgloop.h (get_loop_body_in_bfs_order): New.
3567         * tree-flow.h (enum move_pos): Move here from ..
3568         * tree-ssa-loop-im.c (enum move_pos): here.
3569         (movement_possibility): Make externally visible.
3570         * tree-optimize.c (init_tree_optimization_passes): New entry for
3571         if conversion pass.
3572         * tree-pass.h (pass_if_conversion): New.
3573         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
3574         * tree-if-conv.c: New file.
3575         * doc/passes.texi: Document tree if-conversion pass.
3576         * doc/tree-ssa.texi: Same.
3577
3578 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
3579
3580         PR target/14925:
3581         Makefile.in (LIB2ADDEHSTATIC): New.
3582         (LIB2ADDEHSHARED): New.
3583         (LIBUNWIND): New.
3584         (LIBUNWINDDEP): New.
3585         (SHLIBUNWIND_LINK): New.
3586         (SHLIBUNWIND_INSTALL): New.
3587         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
3588         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
3589         (clean): Remove libunwind*
3590         (stage1-start): Remove and copy stage1/libunwind*.
3591         (stage2-start): Remove and copy stage2/libunwind*.
3592         (stage3-start): Remove and copy stage3/libunwind*.
3593         (stage4-start): Remove and copy stage4/libunwind*.
3594         (stageprofile-start): Remove and copy stageprofile/libunwind*.
3595         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
3596
3597         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
3598         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
3599         tmake_file if --with-system-libunwind isn't used.
3600
3601         * config/ia64/t-glibc-libunwind: New file.
3602         * config/t-libunwind-elf: Likewise.
3603         * unwind-compat.c: Likewise.
3604         * unwind-compat.h: Likewise.
3605         * unwind-dw2-fde-compat.c: Likewise.
3606
3607         * config/ia64/t-glibc (LIB2ADDEH): Updated.
3608         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
3609
3610         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
3611         aliases if needed.
3612         * unwind-dw2-fde-glibc.c: Likewise.
3613         * unwind-dw2.c: Likewise.
3614
3615         * config/t-libunwind (LIB2ADDEH): Updated.
3616         (LIB2ADDEHSTATIC): New.
3617         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
3618         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
3619
3620         * configure.ac: Change --enable-libunwind-exceptions to
3621         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
3622         * configure: Regenerated.
3623         * config.in: Updated.
3624
3625         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
3626         above and mention --with-system-libunwind.
3627         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
3628         removed in gcc 3.4.3 and later.
3629
3630         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
3631         USE_LIBUNWIND_EXCEPTIONS is defined.
3632
3633         * mklibgcc.in: Support libunwind.
3634
3635 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
3636
3637         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
3638         m_NOCONA.
3639
3640 2004-09-03  Richard Henderson  <rth@redhat.com>
3641
3642         PR middle-end/9997
3643         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
3644         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
3645         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
3646         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
3647         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
3648         resize_stack_vars_conflict, add_stack_var_conflict,
3649         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
3650         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
3651         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
3652         expand_one_static_var, expand_one_hard_reg_var,
3653         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
3654         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
3655         (expand_used_vars): Rewrite.
3656         * Makefile.in (cfgexpand.o): Update dependencies.
3657
3658 2004-09-04  Jan Hubicka  <jh@suse.cz>
3659
3660         * cfg.c (free_edge): Use ggc_free.
3661         (expunge_block): Use ggc_free.
3662         * passes.c (rest_of_clean_state): Free after compilation.
3663         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
3664         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
3665
3666 2004-09-03  James E Wilson  <wilson@specifixinc.com>
3667
3668         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
3669         DECL_EXTERNAL check.
3670
3671 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3672
3673         * final.c (output_in_slot): New global variable.
3674         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
3675         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
3676         'output_in_slot' before invoking output_asm_insn.
3677         (output_asm_insn): Add a space after the tab if 'output_in_slot'
3678         is set.
3679         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
3680         final_scan_insn.
3681         (output_sibcall): Likewise.
3682
3683 2004-09-03  Jan Hubicka  <jh@suse.cz>
3684
3685         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
3686         * tree-ssanames (init_ssanames): Likewise.
3687
3688 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
3689
3690         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
3691         objc_declare_protocols, objc_start_protocol,
3692         objc_start_class_interface, objc_start_category_interface,
3693         objc_continue_interface, objc_finish_interface,
3694         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
3695         objc_start_class_implementation, objc_start_category_implementation,
3696         objc_continue_implementation, objc_finish_implementation,
3697         objc_add_method_declaration, objc_start_method_definition,
3698         objc_finish_method_definition, objc_build_keyword_decl,
3699         objc_build_method_signature, objc_build_encode_expr,
3700         objc_build_protocol_expr, objc_build_selector_expr,
3701         objc_build_message_expr, objc_build_string_object,
3702         objc_get_class_reference, objc_get_protocol_qualified_type,
3703         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
3704
3705 2004-09-03  James E Wilson  <wilson@specifixinc.com>
3706
3707         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
3708
3709         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
3710         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
3711         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
3712         (mips_recip1_<fmt>): Use frdiv1 type.
3713         (mips_recip2_<fmt>): Use frdiv2 type.
3714         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
3715         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
3716         and frsqrt1.
3717         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
3718
3719 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
3720
3721         * reload.c (find_reloads): Swap operand_loc pointers for
3722         find_dummy_reload if we have swapped two operands.
3723
3724 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
3725
3726         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
3727         to get the tablejump-insn before the jump-table label.
3728
3729 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
3730
3731         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
3732         objc_declare_protocols, objc_build_message_expr,
3733         objc_finish_message_expr, objc_build_selector_expr,
3734         objc_build_protocol_expr, objc_build_encode_expr,
3735         objc_build_string_object, objc_get_protocol_qualified_type,
3736         objc_get_class_reference, objc_get_class_ivars,
3737         objc_start_class_interface, objc_start_category_interface,
3738         objc_start_protocol, objc_continue_interface, objc_finish_interface,
3739         objc_start_class_implementation, objc_start_category_implementation,
3740         objc_continue_implementation, objc_finish_implementation,
3741         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
3742         objc_add_method_declaration, objc_start_method_definition,
3743         objc_finish_method_definition, objc_add_instance_variable,
3744         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
3745         objc_finish_try_stmt, objc_begin_catch_clause,
3746         objc_finish_catch_clause, objc_build_finally_clause,
3747         objc_build_synchronized, objc_static_init_needed_p,
3748         objc_generate_static_init_call): New prototypes.
3749
3750 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
3751
3752         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
3753         is only one reg.
3754         (ia64_function_value): Ditto.
3755
3756 2004-09-03  Jan Beulich  <jbeulich@novell.com>
3757
3758         * config.gcc: Resurrect NetWare as a target. Handle special case of
3759         Novell linker to be used (specified through --with-ld=) and threading
3760         model of either Posix (default) or NKS.
3761         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
3762         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
3763         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
3764         * config/i386/netware.c, config/i386/netware.h: New.
3765         * config/i386/nwld.c, config/i386/nwld.h: New.
3766         * config/i386/netware-crt0.c: New.
3767         * config/i386/netware-libgcc.c: New.
3768         * config/i386/netware-libgcc.def: New.
3769         * config/i386/netware-libgcc.exp: New.
3770         * config/i386/t-netware, config/i386/t-nwld: New.
3771         * gthr-nks.h: New.
3772         * doc/install.texi: Document NKS threading model.
3773
3774 2004-09-03  Jan Beulich  <jbeulich@novell.com>
3775
3776         PR c/7054
3777         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
3778         * tree.h (initial_max_fld_align): Declare
3779         * stor-layout.c (initial_max_fld_align): Define and initialize.
3780         (maximum_field_alignment): Initialize to the same value.
3781         * common.opt: Add -fpack-struct= variant of switch.
3782         * opts.c: Handle -fpack-struct= variant of switch.
3783         * c-pragma.c: Change #pragma pack() handling so that it becomes
3784         compatible to other compilers: accept individual 'push' argument,
3785         make final pop restore (command line) default, correct interaction
3786         of push/pop and sole specification of a new alignment (so that the
3787         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
3788         to #pragma pack(push, <n>).
3789         * doc/extend.texi: New node "Structure-Packing Pragmas" under
3790         "Pragmas", describing #pragma pack.
3791         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
3792         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
3793         Document new TARGET_DEFAULT_PACK_STRUCT.
3794
3795 2004-09-03  Devang Patel  <dpatel@apple.com>
3796
3797         * dwarf2out.c (gen_field_die). Equate decl number to die.
3798
3799 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
3800
3801         PR target/15832
3802         * global.c (modify_reg_pav): New function.
3803         (make_accurate_live_analysis): Call the new function.  Move pavin
3804         modification by earlyclobber set into the new function.
3805
3806 2004-09-03  Andreas Schwab  <schwab@suse.de>
3807
3808         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
3809         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
3810         extended.
3811
3812 2004-09-02  Jan Beulich  <jbeulich@novell.com>
3813
3814         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
3815         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
3816         not unwind code specific ones.
3817         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
3818         Remove unwind code specific dependencies.
3819         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
3820         Remove gbl-ctors.h.
3821         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
3822         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
3823         * tsystem.h: Declare memcpy and memset when inhibit_libc.
3824
3825 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
3826
3827         * combine.c (try_combine): Delay modifying of insns which cannot
3828         be easily undone.
3829
3830 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
3831
3832         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
3833         tree-loop-im.
3834         * gcc/tree-ssa-loop.c: Ditto
3835         * gcc/tree-ssa-loop-ivcanon.c: Ditto
3836         * gcc/doc/invoke.texi: Ditto.
3837
3838 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
3839
3840         * c-decl.c (store_parm_decls_newstyle): Make static.
3841         (store_parm_decls_from): New function.
3842         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
3843         (store_parm_decls_from): New prototype.
3844
3845 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
3846
3847         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
3848         HImode with STRICT_ALIGNMENT.
3849
3850 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
3851
3852         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
3853         (TARGET_OS_CPP_BUILTINS): Likewise.
3854         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
3855         TARGET_BPABI_CPP_BUILTINS.
3856
3857 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
3858
3859         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
3860
3861 2004-09-02  Eric Christopher  <echristo@redhat.com>
3862
3863         * builtins.c (expand_builtin_cabs): Delete.
3864         (expand_builtin): If unable to fold the values do a normal
3865         library call for builtin_cab*.
3866         (fold_builtin_cabs): Depend on optimize and optimize_size.
3867         * optabs.c (expand_cmplxdiv_straight): Delete.
3868         (expand_cmplxdiv_wide): Ditto.
3869         (expand_vector_binop): Ditto.
3870         (expand_vector_unop): Ditto.
3871         (expand_complex_abs): Delete.
3872         (expand_binop): Remove calls to above functions.
3873         Remove open coding of complex arithmetic.
3874         (expand_unop): Ditto.
3875         * optabs.h: Remove prototypes.
3876
3877 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
3878
3879         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
3880         * c-tree.h (store_parm_decls_newstyle): New prototype.
3881
3882 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
3883
3884         * config/rs6000/rs6000.c (expand_block_clear): Use vector
3885         instructions if available.
3886         (expand_block_move): Likewise.
3887
3888 2004-09-03  Jan Hubicka  <jh@suse.cz>
3889
3890         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
3891
3892 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
3893
3894         * config/arm/symbian.h (LIB_SPEC): Define to empty.
3895         * config/arm/t-symbian (SHLIB_LC): Likewise.
3896
3897 2004-09-02  Paul Brook  <paul@codesourcery.com>
3898
3899         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
3900
3901 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
3902
3903         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
3904         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
3905         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
3906         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
3907         (mips_issue_rate): Remove unreachable abort.
3908         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
3909         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
3910         (mips_block_move_straight, print_operand_address, mips_file_start)
3911         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
3912         (mips_output_conditional_branch, mips_expand_builtin_direct)
3913         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
3914         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
3915         with gcc_assert.
3916
3917 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
3918
3919         * config/mips/mips.md (*lea_high64): Change split condition to
3920         flow2_completed.  Add a peephole2 to generate a more parallel version.
3921
3922 2004-09-02  Jan Hubicka  <jh@suse.cz>
3923
3924         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
3925         GGC.
3926
3927         * ggc-page.c: include tree-flow.h.
3928         (extra_order_size_table): Add stmt_ann_d.
3929         (STAT_LABEL): Rename from ....
3930         (LABEL): ... this one.
3931         * Makefile.in (ggc-page.o): Add dependency.
3932
3933         * ggc-common.c (ggc_force_collect): New global variable.
3934         (loc_description): Add fields "freed", "collected"
3935         (ptr_hash): New static hash
3936         (ptr_hash_entry): New structure.
3937         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
3938         (ggc_record_overhead): Take ptr argument, record it
3939         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
3940         (cmp_statistics): Imrove sorting.
3941         (dump_ggc_loc_statistics): Output newly collected statistics
3942         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
3943         (ggc_free): Call ggc_free_overhead.
3944         (ggc_collect): Force collection when asked to be forced.
3945         (ggc_collect): Call ggc_prune_overhead_list.
3946         * ggc.h (ggc_force_collect): Declare
3947         (ggc_record_overhead): Update prototype.
3948         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
3949
3950 2004-09-02  James E Wilson  <wilson@specifixinc.com>
3951
3952         * common.opt (ftrapping-math): Default to on.
3953
3954 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
3955
3956         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
3957
3958 2004-09-02  Denis Chertykov  <denisc@overta.ru>
3959
3960         PR target/16884
3961         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
3962         match_scratch.
3963         (*movmemqi_insn): Likewise.
3964         (*movmemhi): Likewise.
3965         (clrmemhi): Likewise.
3966         (*clrmemqi): Likewise.
3967         (*clrmemhi): Likewise.
3968
3969 2004-09-02  Paul Brook  <paul@codesourcery.com>
3970
3971         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
3972         default_use_cxa_atexit=yes.
3973
3974 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
3975
3976         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
3977         (struct kernel_old_ucontext): Delete.
3978         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
3979         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
3980         when IN_LIGGCC2.
3981
3982 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
3983
3984         * toplev.c (process_options): Fix typo.
3985
3986 2004-09-01  Richard Henderson  <rth@redhat.com>
3987
3988         PR middle-end/17258
3989         * calls.c (initialize_argument_information): Tighten pass-through
3990         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
3991         Use build_fold_addr_expr.
3992         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
3993         that assumes ADDR_EXPR allocates stack space.
3994         * fold-const.c (build_fold_addr_expr_with_type): Look through
3995         WITH_SIZE_EXPR.
3996
3997 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
3998
3999         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
4000         * ggc.h (ggc_alloc_rtx): Delete.
4001
4002 2004-09-01  Roger Sayle  <roger@eyesopen.com>
4003
4004         * expmed.c (enum alg_code): Remove long unused enumeration values.
4005         (struct mult_cost): New structure to hold the "score" of a synthetic
4006         multiply sequence, including both a rtx_cost and a latency field.
4007         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
4008         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
4009         (struct algorithm): Change type of cost field to be mult_cost.
4010         (synth_mult): Change type of cost_limit argument to be a
4011         pointer to a mult_cost.  Update all cost comparisons to use the
4012         new mult_cost infrastructure.  For alg_add_factor and
4013         alg_sub_factor operations, latency is lower than the rtx_cost.
4014         (choose_mult_variant):  Update calls to synth_mult.  Perform
4015         cost comparisons using the new mult_cost infrastructure.
4016         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
4017         to optain the total rtx_cost of a synth_mult "algorithm".
4018
4019 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
4020
4021         * config/rs6000/power4.md: Increase store latency to 12.
4022         * config/rs6000/power5.md: Same.
4023
4024 2004-09-01  James E Wilson  <wilson@specifixinc.com>
4025
4026         PR target/14064
4027         * config/avr/avr.c (avr_unique_section): Delete prototype and
4028         definition.
4029         (TARGET_ASM_UNIQUE_SECTION): Delete.
4030
4031 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
4032
4033         * c-parse.in (primary): Call objc_build_message_expr(),
4034         objc_build_selector_expr(), objc_build_protocol_expr(),
4035         objc_build_encode_expr() and objc_build_string_object() instead of
4036         build_message_expr(), build_selector_expr(), build_protocol_expr(),
4037         build_encode_expr() and build_objc_string_object(), respectively.
4038         (component_decl_list2): Call objc_get_class_ivars() instead of
4039         get_class_ivars_from_name().
4040         (keyworddecl): Call objc_build_keyword_decl() instead of
4041         build_keyword_decl().
4042         (receiver): Call objc_get_class_reference() instead of
4043         get_class_reference().
4044         (reswords): Add blank line before @@ifobjc section, for clarity.
4045
4046 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
4047
4048         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
4049         to Altivec vetors.
4050
4051 2004-09-01  Wu Yongwei  <adah@sh163.net>
4052             Danny Smith  <dannysmith@users.sourceforge.net>
4053
4054         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
4055         not Windows 'DWORD'.
4056         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
4057         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
4058         (__gthr_win32_recursive_mutex_init_function): Add prototype for
4059         __GTHREAD_HIDE_WIN32API case..
4060         (__gthr_win32_recursive_mutex_lock): Likewise.
4061         (__gthr_win32_recursive_mutex_trylock): Likewise.
4062         (__gthr_win32_recursive_mutex_unlock): Likewise.
4063         (__gthread_recursive_mutex_init_function); Add definition for
4064         __GTHREAD_HIDE_WIN32API case.
4065         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
4066         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
4067         call to InterlockedDecrement.
4068
4069 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4070
4071         * tree-tailcall.c (find_tail_calls): Also fail is statement has
4072         volatile operands.
4073
4074         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
4075
4076         * doc/c-tree.texi: Document new operands for ARRAY_REF and
4077         COMPONENT_REF.
4078
4079 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4080
4081         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
4082         * common.opt (fspeculative-prefetching): New.
4083         * flags.h (flag_speculative_prefetching_set): Declare.
4084         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
4085         values.
4086         * opts.c (flag_sepculative_prefetching_set): New variable.
4087         (common_handle_option): Handle -fspeculative-prefetching.
4088         * passes.c (rest_of_compilation): Ditto.
4089         * profile.c (instrument_values, compute_value_histograms, branch_prob):
4090         Use vectors instead of arrays.
4091         * toplev.c (process_options): Handle -fspeculative-prefetching.
4092         * rtl-profile.c: Include ggc.h.
4093         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
4094         rtl_gen_one_value_profiler_no_edge_manipulation,
4095         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
4096         argument changed.
4097         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
4098         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
4099         argument changed.
4100         * value-prof.c: Include ggc.h.
4101         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
4102         macros.
4103         (insn_prefetch_values_to_profile, find_mem_reference_1,
4104         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
4105         speculative_prefetching_transform): New.
4106         (value_profile_transformations): Call speculative_prefetching_transform.
4107         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
4108         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
4109         tree_find_values_to_profile, find_values to profile): Use vectors
4110         instead of arrays.
4111         (free_profiled_values): Removed.
4112         * value-prof.h (struct histogram_value): Renamed to
4113         struct histogram_value_t.
4114         (histogram_value, histogram_values): New types.
4115         (find_values_to_profile): Declaration changed.
4116         (free_profiled_values): Removed.
4117         (struct profile_hooks): Type of argument of the hooks changed to
4118         histogram_value.
4119         * doc/invoke.texi (-fspeculative-prefetching): Document.
4120
4121 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4122
4123         PR rtl-optimization/16408
4124         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
4125
4126 2004-09-01  Richard Henderson  <rth@redhat.com>
4127
4128         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
4129         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
4130
4131 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4132
4133         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
4134
4135 2004-09-01  Mike Stump  <mrs@apple.com>
4136
4137         * config/darwin.c (machopic_symbol_defined_p): In addition to
4138         being SYMBOL_REF_LOCAL_P, a symbol must also be
4139         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
4140         defined in this output file, or translation unit in the case
4141         of IMA not being used.
4142         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
4143         never need .indirect_symbol when indirecting.
4144
4145 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4146
4147         * Makefile.in (bb-reorder.o): Add several dependencies.
4148
4149 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4150
4151         * fold-const.c (operand_equal_p): Require equal sign also for
4152         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
4153
4154 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4155
4156         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
4157         for use in configargs.h.  Put the cname in a separate variable.  Use
4158         that to set target_cpu_default2.
4159
4160 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
4161             Nick Clifton  <nickc@redhat.com>
4162
4163         * config/sh/sh.md ("length"): Increase branch length when
4164         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
4165         constant, 2 byte for aligning the constant.
4166
4167 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4168
4169         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
4170         CPU.
4171         (arm7tdmi-s): New CPU name.
4172         * arm/arm.c (ARM_CORE): Update for new format.
4173         * arm/arm.h (ARM_CORE): Likewise.
4174         * arm/gentune.sh: Update for extra field.
4175         * config.gcc: Likewise.
4176         * arm/arm-tune.md: Regenerate.
4177         * doc/invoke.texi: Document the real processor names for ARM cpus.
4178
4179 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4180
4181         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
4182         (floatdidf): New functions.
4183         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
4184         (floatdisf): New functions.
4185         * t-arm-elf: Use them.
4186
4187 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
4188
4189         * c-common.h (lookup_interface): Remove prototype.
4190         (is_class_name): Rename to objc_is_class_name.
4191         (lookup_objc_ivar): Rename to objc_lookup_ivar.
4192         (get_current_scope): Rename to objc_get_current_scope.
4193         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
4194         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
4195         (yylexname): Call objc_is_class_name() instead of is_class_name().
4196         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
4197         instead of lookup_objc_ivar().
4198         * stub-objc.c (lookup_interface): Remove stub.
4199         (is_class_name): Rename to objc_is_class_name.
4200         (lookup_objc_ivar): Rename to objc_lookup_ivar.
4201
4202 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4203
4204         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
4205         * config/arm/lib1funcs.asm: Do not include supplemental .S files
4206         when compiling for Symbian.
4207         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
4208         (TARGET_OS_CPP_BUILTINS): Likewise.
4209         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
4210
4211 2004-08-31  Stan Shebs  <shebs@apple.com>
4212
4213         * toplev.c (process_options): Ensure debug_hooks is initialized.
4214
4215 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4216
4217         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
4218         * target.h (cxx): Add export_class_data.
4219         * config/arm/arm.c (arm_cxx_export_class_data): New function.
4220         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
4221         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
4222
4223 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
4224
4225         * config/sh/sh.c (output_branch): Check the insn length possibly
4226         in the delayed slot.
4227
4228 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4229
4230         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
4231         blank after ')'.
4232         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
4233
4234         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
4235         (c_sizeof_of_alignof_type): Likewise.
4236         * expr.c (array_ref_element_size): Likewise.
4237         (highest_pow2_factor_for_target): Likewise.
4238         * gimplify.c (canonicalize_addr_expr): Likewise.
4239         (gimplify_compound_lval): Likewise.
4240         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
4241         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
4242         * varasm.c (assemble_variable): Likewise.
4243         (output_constant_def_contents): Alignments are unsigned.
4244
4245 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4246             Jeff Law  <law@redhat.com>
4247
4248         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
4249         gets modified.
4250
4251 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4252
4253         * hooks.c (hook_bool_void_true): New function.
4254         * hooks.h (hook_bool_void_true): Declare.
4255         * target-def.h (TARGET_CXX): Add
4256         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
4257         * target.h (struct cxx): Add key_method_may_be_inline.
4258         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
4259         function.
4260         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
4261         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
4262         __THUMB_INTERWORK.
4263
4264 2004-08-31  Denis Chertykov  <denisc@overta.ru>
4265
4266         PR target/15417
4267         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
4268         frame pointer register only in Pmode while reload in progress.
4269
4270 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
4271
4272         PR target/15334
4273         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
4274         because it breaks the 32-bit shift patterns that rely on a match_dup.
4275
4276 2004-08-31  Matt Austern  <austern@apple.com>
4277
4278         * config/darwin.c (darwin_make_decl_one_only): Allocate section
4279         names once per compilation, instead of once per symbol.
4280
4281 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
4282
4283         * Makefile.in (build_subdir): New substitution.
4284         (fixinc.sh): Simplify heavily since fixincludes is already built.
4285         (stmp-fixinc): Depend on specs.ready.
4286         (install-mkheaders): Use new location of fixincludes.
4287         (clean): Do not descend into fixinc.
4288         (FORBUILD): Replace with ../$(build_subdir).
4289         * configure.ac (build_subdir): Substitute.
4290         (FORBUILD): Do not set.
4291         (all_outputs): Remove fixinc/Makefile.
4292         (default commands): Do not create links in fixinc.
4293         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
4294         the fixincludes configuration steps and substituting
4295         @FIXINCL@ in fixinc.in.
4296         * fixinc.in: New, from fixinc/fixincl.sh.
4297
4298         * fixinc/*: Removed.
4299
4300 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
4301
4302         * attribs.c (strip_attrs): Remove.
4303         (split_specs_attrs): Move ...
4304         * c-decl.c: ... to here.
4305         * tree.h (split_specs_attrs, strip_attrs): Remove.
4306         * c-tree.h (split_specs_attrs): Declare.
4307
4308 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
4309
4310         * read-rtl.c: Disable RTL checking.
4311         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
4312
4313 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
4314
4315         * config/mips/mips.md (fcond): New code macro and attribute.
4316         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
4317         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
4318         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
4319
4320 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
4321
4322         Revert:
4323         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
4324         PR rtl-optimization/16590
4325         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
4326
4327 2004-08-30  Andrew Pinski  <apinski@apple.com>
4328
4329         * hard-reg-set.h:
4330         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
4331         * ChangeLog: Fix previous ChangeLog entry.
4332
4333         PR rtl-opt/13987
4334         * config.host (use_long_long_for_widest_fast_int): New, default is
4335         off.
4336         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
4337         * configure.ac: If use_long_long_for_widest_fast_int, then
4338         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
4339         * configure: Regenerate.
4340         * config.in: Regenerate.
4341         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
4342         New: widest integer type supported efficiently in hardware for the
4343         host.
4344         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
4345         HOST_BITS_PER_WIDEST_FAST_INT.
4346         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
4347         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
4348         HOST_WIDEST_FAST_INT
4349         instead of HOST_WIDE_INT.
4350         (HARD_REG_SET_LONGS): Likewise.
4351         (UHOST_BITS_PER_WIDE_INT): Likewise.
4352         Change the checks for the fast cases to be based on
4353         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
4354
4355 2004-08-30  Steven Bosscher  <stevenb@suse.de>
4356
4357         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
4358         not the pointers.
4359
4360 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
4361
4362         PR 12738
4363         PR 17205
4364         Radar 3460526
4365         Radar 3775729
4366         * c-decl.c (grokdeclarator): Produce error for 'static' on local
4367         function declaration.
4368
4369 2004-08-30  Richard Henderson  <rth@redhat.com>
4370
4371         * expr.c (array_ref_element_size): Force aligned_size back to
4372         sizetype.
4373         (component_ref_field_offset): Similarly for aligned_offset.
4374         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
4375         low-bound, element-size, field-offset fields rather than
4376         computed values.
4377
4378 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
4379
4380         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
4381         redundant code.
4382
4383 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
4384
4385         * c-tree.h (struct language_function): Add arg_info element.
4386         * c-decl.c (current_function_arg_info): New.
4387         (grokdeclarator, store_parm_decls): Use it instead of
4388         DECL_ARGUMENTS.
4389         (c_push_function_context, c_pop_function_context): Save and
4390         restore it.
4391
4392 2004-08-30  Richard Henderson  <rth@redhat.com>
4393
4394         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
4395         COMPONENT_REF to pointer arithmetic.
4396         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
4397         constant "c" as a valid constant initializer.  Allow narrowing of
4398         differences against the same base object, for any base object.
4399
4400 2004-08-30  Richard Henderson  <rth@redhat.com>
4401
4402         * expr.c (expand_expr_addr_expr): New.
4403         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
4404
4405 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
4406
4407         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
4408         (mips_fp_condition): New enum.
4409         (mips_fp_conditions): New array.
4410         (print_fcc_operand): Delete.
4411         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
4412         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
4413         (builtin_description): Add "cond" field.
4414         (DIRECT_BUILTIN): Initialize it.
4415         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
4416         into INSN and CODE.  Initialize the "cond" field.
4417         (CMP_BUILTINS): Update accordingly.
4418         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
4419         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
4420         mips_fp_condition as argument.  Make it the final operand of the
4421         comparison instruction.
4422         (mips_expand_builtin): Update accordingly.
4423         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
4424         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
4425         the gaps.
4426         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
4427         Don't use the 'Q' operand prefix; just print the operand normally.
4428         (mips_cabs_*, mips_c_*): Delete, replacing with...
4429         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
4430         patterns.  Split the 4s versions into 2 ps patterns after reload.
4431
4432 2004-08-30  Richard Henderson  <rth@redhat.com>
4433
4434         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
4435         assuming an ADDR_EXPR is non-null.
4436
4437 2004-08-30  Jason Merrill  <jason@redhat.com>
4438
4439         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
4440
4441 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4442
4443         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
4444         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
4445         gcc_assert and gcc_unreachable instead of abort.
4446         * alloc-pool.c (abort, fancy_abort): Remove.
4447         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
4448         gcc_assert or gcc_unreachable.
4449         * attribs.c (init_attributes, decl_attributes): Likewise.
4450         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
4451         mark_bb_for_unlikely_executed_section,
4452         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
4453         fix_crossing_unconditional_branches):  Likewise.
4454         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
4455         bitmap_operation):  Likewise.
4456         * bt-load.c (insn_sets_btr_p, augment_live_range,
4457         move_btr_def):  Likewise.
4458         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
4459         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
4460         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
4461         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
4462         expand_builtin_memcmp, expand_builtin_args_info,
4463         std_gimplify_va_arg_expr, expand_builtin_unop,
4464         expand_builtin_fputs, expand_builtin_profile_func,
4465         expand_builtin_fork_or_exec, fold_builtin_bitop,
4466         fold_builtin_classify, fold_builtin_fputs): Likewise.
4467
4468 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4469
4470         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
4471         * gcov.c (abort): Remove undef.
4472
4473         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
4474         (struct tree_binfo): Remove primary field.
4475
4476 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
4477
4478         * fixinc/Makefile.in (machname.h): Remove.
4479         (fixincl.x): Do not pass $@ to genfixes.
4480         * fixinc/genfixes: Remove code to produce machname.h.
4481         * fixinc/fixincl.sh: Move it here instead.
4482         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
4483         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
4484         return a bool indicating whether pz_mn_name_pat is NULL.
4485         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
4486         Declare extern C variables for the ENV_TABLE.
4487         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
4488         instead use the result of mn_get_regexps.
4489         * fixinc/fixtests.c: Likewise.
4490
4491 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
4492
4493         * configure.ac: Do not run fixincludes after stage1 during
4494         toplevel bootstrap.
4495         * configure: Regenerate.
4496
4497 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
4498
4499         * sched-deps.c (get_condition): Partially revert previous, by never
4500         trying to extract the condition from a condjump.
4501
4502 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4503
4504         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
4505         (handle_visibility_attribute, c_determine_visibility): Likewise.
4506         * c-common.h (my_friendly_assert): Remove.
4507
4508 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
4509
4510         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
4511         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
4512         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
4513         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
4514         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
4515
4516 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
4517
4518         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
4519         in COMPONENT_REF nodes.
4520
4521 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4522
4523         PR c++/15378
4524         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
4525         global_dc->warning_as_error_requested.
4526         * diagnostic.c (diagnostic_initialize): Tidy.
4527         * diagnostic.h (diagnostic_context::x_data): Remove
4528         (diagnostic_context::issue_warnings_are_errors_message): Rename
4529         from warnings_are_errors_message.
4530         (diagnostic_context::warning_as_error_requested): New.
4531
4532 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
4533
4534         * sched-deps.c (get_condition): Fix breakage in previous patch.
4535
4536 2004-08-30  Paul Brook  <paul@codesourcery.com>
4537
4538         * doc/install.texi: Fix broken mpfr link.
4539
4540 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
4541
4542         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
4543         other FreeBSD platforms.
4544
4545 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4546
4547         * arm.h (REVERSE_CONDITION): Define.
4548         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
4549
4550 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4551
4552         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
4553         just the codes, call reversed_comparison_code ().
4554         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
4555         (not_reg_cond): Use reversed_comparison_code.
4556         (and_reg_cond): Likewise.
4557         * ifcvt.c (cond_exec_process_if_block): Likewise.
4558         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
4559
4560 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4561
4562         * sched-deps.c (get_condition): Rewrite using jump support functions.
4563         Use reversed_comparison_code.
4564         (conditions_mutex_p): Use reversed_comparison_code.
4565
4566 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4567
4568         * config/mips/mips.c (override_options): Disable hot/cold partitioning
4569         for MIPS16.
4570
4571 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4572
4573         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
4574         (mips_function_type): Move to mips.c.
4575         * config/mips/mips.c (mips_builtin_type): New enum.
4576         (builtin_description): Replace code and ftype with builtin_type
4577         and function_type.
4578         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
4579         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
4580         (CODE_FOR_mips_abs_ps): Define.
4581         (mips_bdesc): Use new macros.
4582         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
4583         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
4584         (mips_expand_builtin_direct): New function.
4585         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
4586         builtin.  Replace boolean parameter with builtin_type.
4587         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
4588         (mips_expand_4s_compare_builtin): Delete, replacing with...
4589         (mips_expand_builtin_compare): ...this new function.
4590
4591 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
4592
4593         PR rtl-optimization/16590
4594         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
4595
4596 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
4597
4598         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
4599         * tree-ssa-propagate.c: Fix documentation.
4600
4601 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4602
4603         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
4604         (mov[sd]fcc): Likewise.
4605
4606 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4607
4608         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
4609
4610 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4611
4612         * config/mips/mips.md (divide_condition): New mode attribute.
4613         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
4614         (sqrt[sd]f3): Redefine using SCALARF.
4615         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
4616         patterns.
4617
4618 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4619
4620         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
4621         (loadx, storex, fmt, UNITMODE): New mode attributes.
4622         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
4623         (mul[sd]f3): Redefine using :SCALARF.
4624         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
4625         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
4626         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
4627         Check TARGET_FUSED_MADD for V2SF too.
4628         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
4629         were already named.
4630         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
4631         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
4632
4633 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4634
4635         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
4636         V2SF_type_node if it will be needed.
4637
4638 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4639
4640         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
4641         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
4642         (mips_prepare_builtin_target): New function.
4643         (mips_expand_builtin): Use them.  Update calls to subroutines.
4644         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
4645         cmp_choice with a boolean argument to select between movt and movf.
4646         Take the comparison's icode as an argument, not the function's fcode.
4647         (mips_expand_compare_builtin): New function.  Rename existing function
4648         to mips_expand_scalar_compare_builtin.
4649         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
4650         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
4651         comparison's icode as an argument, not the builtin's fcode.
4652
4653 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4654
4655         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
4656         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
4657         registers are false and -1 if all registers are true.
4658         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
4659         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
4660         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
4661         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
4662         (bc1any2t, bc1any2f): Likewise CCV2.
4663         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
4664
4665 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4666
4667         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
4668         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
4669         UNSPEC rather than an IF_THEN_ELSE.
4670         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
4671         mips_cond_move_tf_ps by name.
4672
4673 2004-08-29  Chao-ying Fu  <fu@mips.com>
4674             James E Wilson  <wilson@specifixinc.com>
4675
4676         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
4677         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
4678         * config/mips/mips-ps-3d.md: New file.
4679         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
4680         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
4681         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
4682         (mips_output_move): Emit "mov.ps" for V2SFmode.
4683         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
4684         MODE_VECTOR_FLOAT.
4685         (override_options): Check if TARGET_MIPS3D and there was an explicit
4686         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
4687         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
4688         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
4689         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
4690         and allow CCV2 and CCV4 to occupy two and four CC registers.
4691         (print_fcc_operand): New function.
4692         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
4693         %Z to call print_fcc_operand.
4694         (mips_function_value): Handle MODE_VECTOR_FLOAT.
4695         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
4696         (mips_vector_mode_supported_p): New function.
4697         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
4698         (builtin_description): New struct.
4699         (mips_bdesc): New array of struct builtin_description.
4700         (mips_expand_builtin, mips_init_builtins,
4701         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
4702         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
4703         functions.
4704         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
4705         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
4706         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
4707         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
4708         "-mips3d", and "-mno-mips3d".
4709         (ASM_SPEC): Map -mips3d to -mips3d in gas.
4710         (EXTRA_CONSTRAINT_Y): New macro.
4711         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
4712         multi-letter constraint 'Y'.
4713         (CONSTRAINT_LEN): New macro.
4714         (enum mips_builtins): New for MIPS builtin functions.
4715         (enum mips_function_type): New for the types of MIPS builtin functions.
4716         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
4717         * config/mips/mips.md: New constants for paired single and MIPS-3D
4718         instructions.  Include the new mips-ps-3d.md file.
4719         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
4720         movv2sf_hardfloat_64bit): New named patterns.
4721         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
4722         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
4723         sdxc1_v2sf_di): New unnamed patterns.
4724         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
4725         const_vector support.
4726         (const_0_or_1_operand): New predicate.
4727         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
4728
4729 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
4730
4731         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
4732         (tree-ssa-propagate.o): New rule.
4733         (GTFILES): Add tree-ssa-propagate.c.
4734         * tree-flow.h (struct stmt_ann_d): Remove field
4735         in_ccp_worklist.
4736         * tree-ssa-propagate.c: New file.
4737         * tree-ssa-propagate.h: New file.
4738         * tree-ssa-ccp.c: Re-write to use the routines from
4739         tree-ssa-propagate.c.
4740
4741 2004-08-28  Andrew Pinski  <apinski@apple.com>
4742
4743         * tree-ssa-loop.c: Remove extra include of basic-block.h.
4744
4745 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
4746
4747         * c-common.h: Update comments about ObjC/ObjC++ entry points.
4748         (objc_is_reserved_word): New prototype.
4749         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
4750         separate section; these are call-backs.
4751         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
4752         ObjC/ObjC++ "@" keywords.
4753         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
4754         prototypes; they already live in c-common.h.
4755         * stub-objc.c: Update copyright notice.
4756         (objc_is_reserved_word): New stub.
4757
4758 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4759
4760         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
4761         even when not checking.
4762
4763 2004-08-27  Jason Merrill  <jason@redhat.com>
4764
4765         PR c++/13684
4766         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
4767         (gimple_push_cleanup): Add eh_only parm.
4768         (gimplify_target_expr): Pass it.
4769         * c.opt (-fno-threadsafe-statics): New option.
4770         * c-opts.c (c_common_handle_option): Handle it.
4771         * c-common.h (flag_threadsafe_statics): Declare it.
4772         * c-common.c (flag_threadsafe_statics): Record it.
4773         * doc/invoke.texi: Document it.
4774         * tsystem.h (_GNU_SOURCE): Define.
4775         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
4776         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
4777         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
4778         (__gthread_recursive_mutex_init_function): New fn.
4779         (__gthread_recursive_mutex_lock): New fn.
4780         (__gthread_recursive_mutex_trylock): New fn.
4781         (__gthread_recursive_mutex_unlock): New fn.
4782         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
4783         * gthr-win32.h, gthr-vxworks.h: Likewise.
4784         * gthr.h: Document.
4785
4786 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
4787
4788         * config/rs6000/rs6000.c (rs6000_override_options): Increase
4789         maximum skip to 15.  Set function alignment, jump alignment, and
4790         loop alignment to 16 for processors that form dispatch groups.
4791         (rs6000_rtx_costs): outer_code is used.
4792
4793 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
4794
4795         * stor-layout.c (sizetype_set): Remove.
4796         (set_sizetype): Don't test or set it.
4797
4798         * tree.h (size_int_type): Remove.
4799         * fold-const.c: Do not #include gt-fold-const.h.
4800         (size_htab_hash, size_htab_eq): Remove.
4801         (size_int_kind): Use build_int_cst.
4802         (new_const, size_htab): Remove.
4803         (size_int_type): Remove.
4804         (round_up): Use build_int_cst.
4805         (round_down): Likewise. Remove spurious constant build.
4806
4807 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
4808
4809         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
4810         Add is_release variable, use it for --enable-werror and
4811         --enable-checking defaults.
4812         * system.h (gcc_assert, gcc_unreachable): New.
4813         * doc/install.texi (--enable-checking): Update.
4814         * configure, config.in: Rebuilt.
4815
4816 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
4817
4818         * rtl.h (read_rtx): Change prototype.
4819         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
4820         line number.  Return true on success.
4821         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
4822         callers accordingly.
4823
4824 2004-08-26  Richard Henderson  <rth@redhat.com>
4825
4826         * c-typeck.c (build_offsetof): Remove.
4827         * c-tree.h (build_offsetof): Remove.
4828         * c-common.c (fold_offsetof_1, fold_offsetof): New.
4829         * c-common.h (fold_offsetof): Declare.
4830         * c-parse.in (offsetof_base): New.
4831         (offsetof_member_designator): Use it.  Build references, not just
4832         a tree list.
4833         (primary): Use fold_offsetof, not build_offsetof.
4834
4835 2004-08-26  Richard Henderson  <rth@redhat.com>
4836
4837         * tree.c (staticp): Return the static object.
4838         * tree.h (staticp): Update decl.
4839         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
4840         * langhooks.c (lhd_staticp): Return NULL_TREE.
4841         * langhooks-def.h (lhd_staticp): Update decl.
4842         * c-common.c (c_staticp): Return the static object.
4843         * c-common.h (c_staticp): Update decl.
4844
4845 2004-08-26  Richard Henderson  <rth@redhat.com>
4846
4847         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
4848         modes.
4849
4850 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
4851
4852         PR c/13801
4853         * c-decl.c (struct c_binding): Add type and inner_comp fields.
4854         (bind): Set type and inner_comp fields.
4855         (pop_scope): Restore type of decl to the correct type from an
4856         outer scope.  Give error when popping file scope for incomplete
4857         arrays completed incompatibly with default initialization in an
4858         inner scope.
4859         (diagnose_mismatched_decls): Handle externs with initializers at
4860         block scope.
4861         (pushdecl): Set type of external declaration at block scope based
4862         only on the visible declarations.  Save type when changing the
4863         type of a declaration.  Merge an external declaration at block
4864         scope with a visible static declaration at file scope.
4865         (implicitly_declare): Give recycled old declaration the new type
4866         except for incompatible declarations of built-in functions, saving
4867         the old type.
4868
4869 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
4870
4871         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
4872
4873 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
4874
4875         * tree-alias-common.c (gate_pta): New function.
4876         (pass_build_pta): Use it.
4877         (pass_del_pta): Use it.
4878         (delete_alias_vars): Don't check flag_tree_points_to.
4879
4880 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
4881
4882         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
4883         TFmode as additional register mode cloberred by call.
4884
4885 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
4886
4887         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
4888         parallel pattern for library call returning DImode in
4889         mixed mode.
4890
4891 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
4892
4893         * config/rs6000/rs6000.c (function_arg): Generate parallel
4894         pattern for more split args.
4895
4896 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
4897
4898         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
4899         either gen_movdi_di_update or gen_movdi_si_update depending on
4900         target mode.
4901         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
4902         to generate two versions.
4903
4904 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
4905
4906         * Makefile.in (lambda-code.o): New.
4907         (lambda-trans.o): Ditto.
4908         (TREE_DATA_REF_H): Ditto.
4909         (LAMBDA_H): Ditto.
4910         (lambda-mat.o): Use LAMBDA_H.
4911         (tree-data-ref.o): Ditto.
4912         * lambda-code.c: New file.  Lambda code generation algorithm.
4913         * lambda-trans.c: Ditto. Lambda transformation matrix support.
4914         * lambda.h: Add lambda loop structures.
4915         Add lambda loopnest structures.
4916         Add lambda body vector structure.
4917         Add lambda linear expression structures.
4918         Add prototypes for functions in new files.
4919         * lambda-mat.c: Include tree.h
4920
4921 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
4922             Sebastian Pop  <pop@cri.ensmp.fr>
4923
4924         * tree-data-ref.h: Include lambda.h
4925         (free_dependence_relation): Declared here.
4926         (free_dependence_relations): Ditto.
4927         (free_data_refs): Ditto.
4928         * tree-data-ref.c (free_dependence_relation): New function.
4929         (free_dependence_relations): Ditto.
4930         (free_data_refs): Ditot.
4931         (analyze_all_data_dependences): Free datarefs and dependence_relations.
4932         (build_classic_dist_vector): Store in the dependence_relations the
4933         information. Each arc in the dependence_relations graph is labelled
4934         with the distance and direction vectors.
4935         (build_classic_dir_vector): Ditto.
4936         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
4937         Now computes again the whole dependence graph including read-read
4938         relations.
4939         (compute_data_dependences_for_loop): Now dependence_relations contains
4940         all the data, and thus it doesn't need to initialize the classic_dir
4941         and classic_dist vectors.
4942         (analyze_all_data_dependences): Adjusted for using the new interface of
4943         compute_data_dependences_for_loop.  Remove the statistics dump.
4944
4945 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
4946
4947         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
4948         (xtensa_expand_block_move): Update comment.
4949         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
4950
4951 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
4952
4953         PR target/13506
4954         * toplev.c (crash_signal): If we crashed while emitting
4955         a user asm, then die more gracefully.
4956
4957 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4958
4959         PR target/17119.
4960         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
4961         checking for a valid constant, regardless of sign.
4962
4963 2004-08-25  Richard Henderson  <rth@redhat.com>
4964
4965         PR target/16974
4966         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
4967         if the constant satisfies add_operand.
4968
4969 2004-08-25  Richard Henderson  <rth@redhat.com>
4970
4971         PR debug/10695
4972         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
4973         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
4974         unwind info for >16-bit frames.
4975
4976 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
4977
4978         PR target/17171
4979         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
4980
4981 2004-08-25  Richard Henderson  <rth@redhat.com>
4982
4983         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
4984         (TARGET_CANNOT_FORCE_CONST_MEM): New.
4985
4986 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
4987
4988         * doc/tree-ssa.texi: Document new operand iterator.
4989
4990 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
4991
4992         PR target/16480
4993         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
4994         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
4995         as PLUS base regs.
4996
4997 2005-08-28  Paul Brook  <paul@codesourcery.com>
4998
4999         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
5000         -mfpu=vfp -march=armv5t
5001         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
5002
5003 2004-08-25  Richard Henderson  <rth@redhat.com>
5004
5005         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
5006         * target.h (struct gcc_target): Add scalar_mode_supported_p.
5007         * targhooks.c (default_scalar_mode_supported_p): New.
5008         * targhooks.h (default_scalar_mode_supported_p): Declare.
5009         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
5010
5011         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
5012         before attempting to create types.  Tidy.
5013         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
5014
5015         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
5016         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
5017
5018 2004-08-25  Richard Henderson  <rth@redhat.com>
5019
5020         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
5021         set REAL_MODE_FORMAT for TFmode.
5022
5023 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
5024
5025         * c-decl.c (grokparm): New function.
5026         * c-tree.h (grokparm): New prototype.
5027
5028 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
5029
5030         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
5031         iterator controlling structure.
5032         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
5033         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
5034         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
5035         iterator flags.
5036         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
5037         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
5038         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
5039         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
5040         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
5041         Empty operand pointers.
5042         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
5043         (op_iter_next_use): New.  Return next use_operand_p.
5044         (op_iter_next_def): New.  Return next def_operand_p.
5045         (op_iter_next_tree): New.  Return next operands as a tree.
5046         (op_iter_init): New.  Initialize an iterator structure.
5047         (op_iter_init_use): New.  Initialize structure and get the first use.
5048         (op_iter_init_def): New.  Initialize structure and get the first def.
5049         (op_iter_init_tree): New.  Initialize structure and get the first tree.
5050         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
5051         (op_iter_init_maydef): New.  Initialize structure and get the first
5052         V_MAY_DEF operands.
5053         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
5054         * tree-dfa.c (compute_immediate_uses_for_stmt,
5055         redirect_immediate_uses): Use new operand iterator.
5056         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
5057         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
5058         operands instead of using *_disappeared_p routines.
5059         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
5060         ssa_rewrite_stmt): Use new operand iterator.
5061         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
5062         rewrite_trees): Use new operand iterator.
5063         * tree-pretty-print.c (dump_vops): Use new operand iterator.
5064         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
5065         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
5066         dump_points_to_info): Use new operand iterator.
5067         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
5068         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
5069         operand iterator.
5070         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
5071         propagate_necessity): Use new operand iterator.
5072         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
5073         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
5074         a parameter instead of a stmt_ann_t.
5075         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
5076         build_tree_conflict_graph): Use new operand iterator.
5077         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
5078         rewrite_mem_refs): Use new operand iterator.
5079         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
5080         check_loop_closed_ssa_use): Use new operand iterator.
5081         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
5082         * tree-ssanames.c (release_defs): Use new operand iterator.
5083         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
5084
5085 2004-08-25  Adam Nemet  <anemet@lnxw.com>
5086
5087         * tlink.c (initial_cwd): New variable.
5088         (tlink_init): Initialize it.
5089         (recompile_files): Use tlink_execute() instead of system().  Don't
5090         duplicate verbose output of collect_execute.  Restore initial_cwd.
5091         Update comment before the function.
5092
5093 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
5094
5095         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
5096         accept) a cast from one Objective-C pointer type to another.
5097
5098 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
5099
5100         * doc/install.texi: Document that libstdc++-v3 requires
5101         now automake 1.9.1.
5102
5103 2004-08-25  Caroline Tice  <ctice@apple.com>
5104
5105         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
5106         to comments at start of function.
5107         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
5108         comment.
5109         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5110         merge_blocks_move_predecessor_nojumps,
5111         merge_blocks_move_successor_nojumps, merge_blocks_move,
5112         try_crossjump_to_edge, try_crossjump_bb): Likewise.
5113         * cfglayout.c (fixup_reorder_chain): Likewise.
5114         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5115         cfg_layout_can_merge_blocks_p):  Likewise.
5116         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
5117         * passes.c (rest_of_compilation): Update comments for calling
5118         optimization that partitions hot/cold basic blocks.
5119         * doc/invoke.texi:  Update documentation of
5120         freorder-blocks-and-partition flag.
5121
5122 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
5123
5124         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
5125         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
5126
5127 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
5128
5129         * config/mips/mips.md (any_shift): New code macro.
5130         (optab, insn): New code attributes.
5131         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
5132         Use the standard rather than internal patterns for the MIPS16
5133         double-shift optimization.
5134         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
5135         Redefine using :GPR and any_shift.
5136         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
5137         to cover all three shifts.
5138         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
5139         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
5140         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
5141
5142 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
5143
5144         * gimplify.c (lookup_tmp_var): Separate temporaries when not
5145         optimizing.
5146
5147 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5148
5149         PR libstdc++/17005 (fix for HP-UX 11.11)
5150         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
5151         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
5152         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
5153         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
5154         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
5155         (LINK_SPEC): Handle march=1.0 option.
5156         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
5157         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
5158         (SUBTARGET_OPTIONS): New define.
5159         (LINK_SPEC): Handle march=1.0 option.
5160         (STARTFILE_SPEC): New define.
5161         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
5162         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
5163         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
5164         (SUBTARGET_OPTIONS): New define.
5165         (LINK_SPEC): Handle march=1.0 option.
5166         (STARTFILE_SPEC): New define.
5167         * config/pa/pa.c (override_options): Add code to process -munix= option.
5168         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
5169         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
5170         defines.
5171         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
5172         (SUBTARGET_OPTIONS): Provide default define.
5173         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
5174         STANDARD_STARTFILE_PREFIX_2): New defines.
5175         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
5176         (ENDFILE_SPEC): Use %O.
5177         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
5178         Mention issue caused by changing namespace and runtime to UNIX 95/98.
5179         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
5180         Document -munix=std option.
5181
5182 2004-08-25  Steven Bosscher  <stevenb@suse.de>
5183
5184         * cse.c (cse_around_loop, cse_check_loop_start,
5185         cse_set_around_loop): Remove.
5186         (cse_basic_block): Remove the around_loop argument.
5187         (cse_end_of_basic_block): Remove the after_loop argument.
5188         (cse_main): Likewise.
5189         * rtl.h (cse_main): Update prototype.
5190         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
5191         rest_of_handle_gcse): Update cse_main calls.
5192
5193 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
5194
5195         * tree.h  (build_int_cst): New, sign extended constant.
5196         (build_int_cstu): New, zero extended constant.
5197         (build_int_cst_wide): Renamed from build_int_cst.
5198         * tree.c (build_int_cst, build_int_cstu): New.
5199         (build_int_cst_wide): Renamed from build_int_cst.
5200         (make_vector_type, build_common_tree_nodes,
5201         build_common_tree_nodes_2): Adjust build_int_cst calls.
5202         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
5203         expand_builtin_strpbrk, expand_builtin_fputs,
5204         build_string_literal, expand_builtin_printf,
5205         expand_builtin_sprintf, fold_builtin_classify_type,
5206         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
5207         fold_builtin_toascii, fold_builtin_isdigit,
5208         simplify_builtin_strstr, simplify_builtin_strpbrk,
5209         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
5210         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
5211         DEF_ATTR_INT): Likewise.
5212         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
5213         Likewise.
5214         * c-lex.c (interpret_integer, lex_charconst): Likewise.
5215         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
5216         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5217         * c-typeck.c (really_start_incremental_init, push_init_level,
5218         set_nonincremental_init_from_string): Likewise.
5219         * calls.c (load_register_parameters): Likewise.
5220         convert.c (convert_to_pointer): Likewise.
5221         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
5222         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
5223         build_gcov_info): Likewise.
5224         * except.c (init_eh, assign_filter_values): Likewise.
5225         * expmed.c (store_fixed_bit_field, extract_bit_field,
5226         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
5227         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
5228         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
5229         * expr.c (convert_move, emit_group_load, emit_group_store,
5230         expand_assignment, store_constructor, store_field,
5231         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
5232         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
5233         invert_truthvalue, optimize_bit_field_compare,
5234         decode_field_reference, all_ones_mask_p, constant_boolean_node,
5235         fold_div_compare, fold, fold_read_from_constant_string,
5236         fold_negate_const, fold_abs_const, fold_not_const, round_up,
5237         round_down): Likewise.
5238         * function.c (assign_parm_setup_block): Likewise.
5239         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
5240         Likewise.
5241         * stor-layout.c (layout_type, initialize_sizetypes,
5242         set_min_and_max_values_for_integral_type): Likewise.
5243         * tree-chrec.c (chrec_fold_multiply_poly_poly,
5244         reset_evolution_in_loop): Likewise.
5245         * tree-chrec.h (build_polynomial_chrec): Likewise.
5246         * tree-complex.c (build_replicated_const): Likewise.
5247         * tree-eh.c (honor_protect_cleanup_actions,
5248         lower_try_finally_onedest, lower_try_finally_copy,
5249         lower_try_finally_switch): Likewise.
5250         * tree-mudflap.c (mf_build_string, mx_register_decls,
5251         mudflap_register_call, mudflap_enqueue_constant): Likewise.
5252         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
5253         * tree-pretty-print.c (dump_generic_node): Likewise.
5254         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
5255         Likewise.
5256         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
5257         * tree-ssa-loop-niter.c (number_of_iterations_cond,
5258         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
5259         Likewise.
5260         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
5261         canonicalize_loop_induction_variables): Likewise.
5262         * tree-vectorizer.c (vect_create_index_for_array_ref,
5263         vect_transform_loop_bound, vect_compute_data_ref_alignment):
5264         Likewise.
5265
5266         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
5267         alpha_gimplify_va_arg_1): Likewise.
5268         * config/arm/arm.c (arm_get_cookie_size): Likewise.
5269         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5270         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
5271         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
5272         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
5273         mips_gimplify_va_arg_expr): Likewise.
5274         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5275         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
5276         add_compiler_branch_island): Likewise.
5277         * config/s390/s390.c (s390_va_start): Likewise.
5278         * config/sh/sh.c (sh_va_start): Likewise.
5279         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
5280         Likewise.
5281         * config/xtensa/xtensa.c (xtensa_va_start,
5282         xtensa_gimplify_va_arg_expr): Likewise.
5283
5284         * objc/objc-act.c (build_objc_string_object,
5285         build_objc_symtab_template, init_def_list, init_objc_symtab,
5286         init_module_descriptor, generate_static_references,
5287         build_selector_translation_table, get_proto_encoding,
5288         build_typed_selector_reference, build_selector_reference,
5289         build_next_objc_exception_stuff,
5290         build_method_prototype_list_template, generate_descriptor_table,
5291         generate_protocols, build_protocol_initializer,
5292         build_ivar_list_template, build_method_list_template,
5293         build_ivar_list_initializer, generate_ivars_list,
5294         generate_dispatch_table, generate_protocol_list,
5295         build_category_initializer, build_shared_structure_initializer,
5296         generate_shared_structures, handle_impent,
5297         generate_objc_image_info): Likewise.
5298
5299 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
5300
5301         * cfglayout.c (duplicate_insn_chain): Remove references to
5302         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
5303         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
5304         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
5305         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
5306         and NOTE_INSN_LOOP_CONT.
5307         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
5308         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
5309         and NOTE_INSN_LOOP_CONT.
5310         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
5311         check_dbra_loop, loop_dump_aux): Remove references to removed notes
5312         and fields.
5313         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
5314         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
5315         references to removed notes and fields.
5316         (subtract_reg_term, ujump_to_loop_cont): Remove.
5317
5318 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
5319
5320         * doc/install.texi: Document that libcpp does not require
5321         Automake any longer.  Document that Automake 1.9.1 should
5322         work everywhere.
5323
5324 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
5325
5326         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
5327         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
5328         DWARF_DEBUGGING_INFO from choice-of-definition chain;
5329         restructure using C89 features (#elif, #error).
5330         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
5331         * config/sh/sh.h: Remove references to DWARF_DEBUG.
5332         * doc/invoke.texi: Remove references to DWARF version 1;
5333         clarify why -gdwarf-2<n> doesn't work.
5334
5335 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
5336
5337         * basic-block.h (BB_SET_PARTITION): Clear old value first.
5338         * cfg.c (clear_bb_flags): Don't clear partition setting.
5339         * ifcvt.c (find_if_case_1): Remove ??? comment.
5340
5341 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
5342
5343         PR target/17052
5344         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
5345         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5346         current_function_stdarg in place of sysv_varargs_p.
5347         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
5348         sysv_varargs_p.
5349
5350 2004-08-24  Richard Henderson  <rth@redhat.com>
5351
5352         PR target/16298
5353         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
5354         random codes within CONST.
5355
5356 2004-08-24  James E Wilson  <wilson@specifixinc.com>
5357
5358         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
5359         -freorder-blocks-and-partition.
5360
5361 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5362
5363         PR middle-end/17044
5364         * tree-ssa-threadupdate.c (redirection_data): Make static.
5365         (thread_block): Use ggc_alloc_cleared to allocate struct
5366         redirection_data.  Don't free elements in redirection_data.
5367
5368 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5369
5370         * config/mips/predicates.md (small_data_pattern): Match prefetches.
5371
5372 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5373
5374         PR tree-optimization/17016
5375         * tree-ssa-loop-niter.c (number_of_iterations_cond,
5376         number_of_iterations_exit): Use POINTER_TYPE_P instead
5377         of testing for POINTER_TYPE.
5378
5379 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5380
5381         * tree-ssa-loop-ivcanon.c: New file.
5382         * tree-ssa-loop-manip.c (create_iv): New function.
5383         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
5384         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
5385         * cfgloop.c (mark_single_exit_loops): New function.
5386         (verify_loop_structure): Verify single-exit loops.
5387         * cfgloop.h (struct loop): Add single_exit field.
5388         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
5389         (mark_single_exit_loops): Declare.
5390         (tree_num_loop_insns): Declare.
5391         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
5392         (duplicate_loop_to_header_edge): Use it.
5393         * common.opt (fivcanon): New flag.
5394         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
5395         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
5396         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
5397         (bsi_insert_on_edge_immediate): New function.
5398         * tree-flow.h (bsi_insert_on_edge_immediate,
5399         canonicalize_induction_variables, tree_unroll_loops_completely,
5400         create_iv): Declare.
5401         * tree-optimize.c (init_tree_optimization_passes): Add
5402         pass_iv_canon and pass_complete_unroll.
5403         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
5404         * tree-scalar-evolution.c (get_loop_exit_condition,
5405         get_exit_conditions_rec, number_of_iterations_in_loop,
5406         scev_initialize): Use single_exit information.
5407         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
5408         missing assumptions.
5409         (loop_niter_by_eval):  Return number of iterations as unsigned
5410         int.
5411         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
5412         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
5413         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
5414         New passes.
5415         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
5416         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
5417         the defining statement is ready.
5418         * tree-vectorizer.c (vect_create_iv_simple): Removed.
5419         (vect_create_index_for_array_ref, vect_transform_loop_bound):
5420         Use create_iv.
5421         (vect_transform_loop_bound): Use single_exit information.
5422         (vect_analyze_loop_form): Cleanup bogus tests.
5423         (vectorize_loops): Do not call flow_loop_scan.
5424         * tree.h (may_negate_without_overflow_p): Declare.
5425         * fold-const.c (may_negate_without_overflow_p): Split out from ...
5426         (negate_expr_p): ... this function.
5427         (tree_expr_nonzero_p): Handle overflowed constants correctly.
5428         * doc/invoke.texi (-fivcanon): Document.
5429         * doc/passes.texi: Document canonical induction variable creation.
5430
5431 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5432
5433         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
5434         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
5435         using the mode of the operand to decide between them.
5436         * config/mips/mips.md (MOVECC): New mode macro.
5437         (ccreg): New mode attribute.
5438         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
5439         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
5440         (mov[sd]icc): Redefine using :GPR.
5441
5442 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5443
5444         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
5445         (mips_prefetch_cookie): New function.
5446         * config/mips/mips.c (print_operand_address): Fix handling of
5447         ADDRESS_CONST_INT.
5448         (mips_emit_prefetch): Delete.
5449         (mips_prefetch_cookie): New function.
5450         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
5451         mode of QImode for the address_operand.  Use mips_prefetch_cookie
5452         to calculate the first "pref" operand.
5453         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
5454         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
5455
5456 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
5457
5458         * arm.md: Include predicates.md.
5459         * predicates.md: New file.
5460         * arm.c (s_register_operand, arm_hard_register_operand)
5461         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
5462         (arm_immediate_operand, arm_neg_immediate_operand)
5463         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
5464         (arm_add_operand, arm_addimm_operand, arm_not_operand)
5465         (offsettable_memory_operand, alignable_memory_operand)
5466         (arm_reload_memory_operand, arm_float_rhs_operand)
5467         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
5468         (index_operand, shiftable_operator, logical_binary_operator)
5469         (shift_operator, equality_operator, arm_comparison_operator)
5470         (minmax_operator, cc_register, dominant_cc_register)
5471         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
5472         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
5473         (const_shift_operand, load_multiple_operation)
5474         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
5475         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
5476         (cirrus_register_operand, cirrus_fp_register)
5477         (cirrus_shift_const): Delete, replaced with equivalents in
5478         predicates.md.
5479         (shift_op): Handle ROTATE.
5480         * arm-protos.h: Delete declarations for above.
5481         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
5482         * t-arm (MD_INCLUDES): Add predicates.md.
5483         (s-preds): Depends on MD_INCLUDES.
5484
5485 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5486
5487         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
5488         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
5489         patterns.  Redefine using :GPR.  Give the match_operator a mode.
5490         Use '%2' rather than '%z2' for operand 2.
5491
5492 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5493
5494         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
5495         attribute.
5496
5497 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5498
5499         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
5500         of internal patterns.
5501         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
5502         Redefine using :P.
5503         (tablejump): Use expand_binop to calculate address.  Adjust names
5504         of internal patterns.
5505         (tablejump[sd]i): Renamed from tablejump_internal[12].
5506         Redefine using :P.
5507         (tablejump_mips16[12]): Delete.
5508
5509 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5510
5511         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
5512         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
5513         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
5514         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
5515         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
5516
5517 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5518
5519         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
5520         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
5521         using :GPR.
5522         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
5523         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
5524         (*branch_equality[sd]i_inverted): Likewise
5525         branch_equality{,_di}_inverted.
5526         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
5527         Redefine using :GPR.
5528
5529 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
5530
5531         * rtl.def: Reorganize, placing all codes used only in machine
5532         descriptions at the end.
5533
5534         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
5535         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
5536         rtx_name, rtx_format arrays by direct reference to rtl.def,
5537         first undefining GENERATOR_FILE.  Define enum insn_note and
5538         note_insn_name array by direct reference to insn-notes.def.
5539         (adjust_field_rtx_def): Remove local definition of rtx_name.
5540         Use symbolic names for insn notes.
5541         * Makefile.in (gengtype.o): Update dependencies.
5542
5543 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
5544
5545         * basic-block.h (struct basic_block_def): Reorder fields to
5546         eliminate interior padding.  Remove 'partition' field.
5547         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
5548         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
5549         (BB_COPY_PARTITION): New macros.
5550         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
5551         Replace all references to the 'partition' field of a basic
5552         block with new macros.
5553
5554         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
5555         * final.c (final_scan_insn): Don't handle it.
5556         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
5557         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
5558         * sched-rgn.c (sched_is_disabled_for_current_region_p):
5559         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
5560
5561 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
5562
5563         * c-decl.c (c_init_decl_processing): Adjust
5564         build_common_tree_nodes call.
5565         * expmed.c (const_mult_add_overflow_p): Use
5566         build_distinct_type_copy.
5567         * stor-layout.c (early_type_list): Remove.
5568         (layout_type): Don't append to early_type_list.
5569         (initialize_sizetypes): Add signed_p argument.
5570         (set_sizetype): Overwrite the stub type nodes directly.
5571         * tree.c (copy_node_stat): Clear a type's value cache here ...
5572         (build_distinct_type): ... not here.
5573         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
5574         * tree.h (initialize_sizetypes): Add signed_p argument.
5575         (build_common_tree_nodes): Likewise.
5576
5577         * objc/objc-act.c (get_static_reference): Use
5578         build_variant_type_copy.
5579         (get_protocol_reference): Likewise.
5580         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
5581
5582 2004-08-24  Richard Henderson  <rth@redhat.com>
5583             Andrew Pinski  <apinski@apple.com>
5584
5585         * gimplify.c (gimplify_array_ref_to_plus): Delete.
5586         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
5587         for ARRAY_REF.
5588
5589         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
5590         ARRAY_REF also to get to the STRING_CST.
5591
5592 2004-08-24  Paul Brook  <paul@codesourcery.com>
5593
5594         * config/arm/arm.c (arm_override_options): Update error message.
5595         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
5596         TARGET_HARD_FLOAT_ABI.
5597         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
5598         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
5599
5600 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5601
5602         PR target/17093
5603         * config/m32r.md (movsi_sda): Add SI mode specification to
5604         UNSPEC.
5605
5606 2004-08-24  Nick Clifton  <nickc@redhat.com>
5607
5608         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
5609         of seth_add3_operand.
5610
5611 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
5612
5613         * Makefile.in (PROTO_OBJS): Add errors.o.
5614         * protoize.c (fancy_abort): Remove.
5615         * mips-tfile.c (fancy_abort): Add parameters.
5616
5617 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
5618
5619         * doc/trouble.texi (C++ misunderstandings): Fix example code.
5620
5621 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
5622
5623         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
5624         (host-default.o): Add dependency on HOOKS_H.
5625         * config/x-linux: Likewise.
5626         * config/x-solaris: Likewise.
5627         * config/i386/x-mingw32: Likewise.
5628         * config/rs6000/x-darwin: Likewise.
5629
5630 2004-08-23  James E Wilson  <wilson@specifixinc.com>
5631
5632         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
5633         DEF_REG_NOTE.
5634
5635 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
5636
5637         PR c/14492
5638         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
5639
5640 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
5641
5642         * cfg.c (check_bb_profile): Fix typos.
5643         * function.c (assign_parm_is_stack_parm): Likewise.
5644         * tree-nested.c: Likewise.
5645
5646 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
5647
5648         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
5649         Remove TYPECODE.
5650         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
5651
5652 2004-08-23  Eric Christopher  <echristo@redhat.com>
5653
5654         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
5655         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
5656         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
5657         * target.h: Ditto.
5658         * hooks.h: Include machmode.h.
5659         (hook_bool_mode_false): Declare.
5660         * hooks.c (hook_bool_mode_false): Define.
5661         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
5662         * stor-layout.c (layout_type): Ditto.
5663         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
5664         Define to target macro.
5665         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
5666         * config/arm/arm.c: Ditto. Use.
5667         * config/arm/arm.h: Ditto.
5668         * config/arm/arm-protos.h: Ditto.
5669         * config/i386/i386.c: Ditto.
5670         * config/i386/i386.h: Ditto.
5671         * config/rs6000/rs6000.c: Ditto.
5672         * config/rs6000/rs6000.h: Ditto.
5673         * config/sh/sh.c: Ditto.
5674         * config/sh/sh.h: Ditto.
5675         * config/sh/sh-protos.h: Ditto.
5676         * config/sh/sh.md: Use.
5677         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
5678         to TARGET_VECTOR_MODE_SUPPORTED_P.
5679
5680 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
5681
5682         * Makefile.in (BUILD_ERRORS): Set to build-errors.
5683         (errors.o): New target for host.
5684         (build-errors.o): New target for build.
5685         (genobjs): Replace errors.o with build-errors.
5686         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
5687         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
5688         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
5689         (fix-header.o): Add errors.h
5690         * collect2.c (fancy_abort): Add parameters.
5691         * collect2.h (fancy_abort): Don't declare.
5692         * errors.h (fancy_abort): Don't declare.
5693         * errors.c: Include either bconfig.h or config.h.
5694         (fancy_abort): Trim filename.
5695         * fix-header.c (v_fatal, fatal): Remove.
5696         (progname): Remove definition.
5697         (main): Set progname here.
5698         * gcc.c (fancy_abort): Add parameters.
5699         * gcc.h (fancy_abort): Remove declaration.
5700         * gcov.c (fancy_abort): Remove.
5701         * rtl.h (fancy_abort): Don't declare.
5702         (abort): Don't define.
5703         * tree.h (fancy_abort): Don't declare.
5704         (abort): Don't define.
5705         * system.h (fancy_abort): Declare.
5706         (abort): Define to fancy_abort.
5707         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
5708
5709         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
5710         (usize_type, ubitsizetype): Remove.
5711         * stor-layout.c (set_sizetype): Don't initialize usizetype,
5712         ubitsizetype.
5713         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
5714
5715         * tree.h (build_distinct_type_copy): New.
5716         (build_type_copy): ... here.  Rename to ...
5717         (build_variant_type_copy): ... here.
5718         * tree.c (build_qualified_type): Rename build_type_copy call.
5719         (build_distinct_type_copy): New, broken out of ...
5720         (build_type_copy): ... here.  Rename to ...
5721         (build_variant_type_copy): ... here.  Use
5722         build_distinct_type_copy.
5723         (build_common_tree_nodes_2): Rename build_type_copy call.
5724         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
5725         call.
5726         (handle_packed_attribute, handle_unused_attribute,
5727         handle_transparanet_union_attribute, handle_aligned_attribute,
5728         handle_deprecated_attribute): Likewise.
5729         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
5730         Likewise.
5731         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
5732         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
5733         build_distinct_type_copy.
5734
5735 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5736
5737         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
5738         attribute.
5739
5740 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5741
5742         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
5743         loads and stores.
5744         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
5745         formerly unnamed patterns.  Redefine using :P for the address.  Remove
5746         explicit length attributes.
5747
5748 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5749
5750         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
5751         New functions.
5752         (single_reachable_address): Use them.
5753         (schedule_sm): Add dump.
5754         (is_call_clobbered_ref): New function.
5755         (determine_lsm_reg): Check whether the reference is call clobbered.
5756         Only work for gimple_reg_type values.
5757
5758 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5759
5760         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
5761         $31 store insns.  Redefine using :GPR.
5762
5763 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5764
5765         * config/mips/mips.md (P): New mode macro.
5766         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
5767         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
5768         Add mode attributes.
5769
5770 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5771
5772         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
5773         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
5774         later constants to cover the gap.
5775         (load, store): New mode attributes.
5776         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
5777         Use new unspec constants.
5778
5779 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5780
5781         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
5782         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
5783         to use register_operand rather than uns_arith_operand as the predicate
5784         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
5785         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
5786         Redefine using :GPR.  Make same predicate change here.  Extend the
5787         commutativity of operands 1 and 2 from the SImode version to the
5788         DImode one.
5789         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
5790         but with no predicate changes.
5791         (*nor[sd]i3): Redefine using :GPR.
5792
5793 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5794
5795         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
5796         noreturn functions.
5797
5798 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5799
5800         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
5801         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
5802         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
5803         rather than "%z2" (with a fake const0_rtx for operand 2).
5804         (ffs[sd]i2): Redefine using :GPR.
5805         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
5806
5807 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5808
5809         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
5810
5811 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5812
5813         * config/mips/mips.md (any_extend): New code macro.
5814         (u, su): New code attributes.
5815         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
5816         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
5817         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
5818         (*{s,u}mul_acc_di): Redefine using any_extend.
5819         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
5820         to reflect real insn names.
5821         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
5822         with an any_extend template.
5823         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
5824         Add '*' to name.
5825
5826 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5827
5828         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
5829         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
5830         (mul[sd]i3_r4000): Redefine using :GPR.
5831         (mulsi3_mult3): Don't check TARGET_MAD separately.
5832         (muldi3_mult3): Moved after mulsi_mult3.
5833
5834 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5835
5836         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
5837         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
5838         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
5839         (TARGET_GAS, TARGET_MIPS_AS): Delete.
5840         (TARGET_GPWORD): Define to true for n32 on IRIX.
5841         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
5842         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
5843         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
5844         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
5845         (MDEBUG_ASM_SPEC): Delete, folding into...
5846         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
5847         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
5848         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
5849         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
5850         to define asm_abi_default_spec.
5851         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
5852         (TARGET_ASM_SELECT_SECTION): Delete.
5853         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
5854         for non-mips16 code, removing previous workaround for SGI assemblers.
5855         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
5856         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
5857         (override_options): Remove !TARGET_GAS and !have_named_sections code.
5858         (print_operand): Fold TARGET_GAS conditionals into asm strings.
5859         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
5860         ASM_STABS_OP and ASM_STABN_OP.
5861         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
5862         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
5863         (mips_output_function_prologue): Remove !TARGET_GAS code.
5864         (mips_select_rtx_section): Remove !have_named_sections code.
5865         (mips_select_section): Delete.
5866         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
5867         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
5868         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
5869         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
5870         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
5871         * config/mips/windiss.h (ASM_SPEC): Likewise.
5872
5873 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5874
5875         * read-rtl.c (map_value, mapping, macro_group): New structures.
5876         (BELLWETHER_CODE): New macro.
5877         (modes, codes, bellwether_codes): New variables.
5878         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
5879         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
5880         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
5881         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
5882         (add_map_value, initialize_macros): New functions.
5883         (def_hash, def_hash_eq_p): Generalize to anything that points to,
5884         or starts with, a char * field.
5885         (find_macro, read_mapping, check_code_macro): New functions.
5886         (read_rtx_1): New, split out from read_rtx.  Handle the new
5887         define_{mode,code}_{macro,attr} constructs.  Use find_macro
5888         to parse the name of a code or mode.  Use BELLWETHER_CODE to
5889         extract the format and to choose a suitable code for rtx_alloc.
5890         Modify recursive invocations to use read_rtx_1.
5891         (read_rtx): Call initialize_macros.  Apply code and mode macros
5892         to the rtx returned by read_rtx_1.  Cache everything after the
5893         first macro expansion for subsequent read_rtx calls.
5894         * doc/md.texi: Document new .md constructs.
5895         * config/mips/mips.md (GPR): New mode macro.
5896         (d, si8_di5): New mode attributes.
5897         (any_cond): New code macro.
5898         (add[sd]i3): Redefine using :GPR.
5899         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
5900         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
5901         previously unnamed MIPS16 patterns.
5902         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
5903         lines.  Don't match (plus (const_int 0) ...).
5904         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
5905         Use a define_split to generate the addition.
5906         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
5907         (subsi3_internal): Delete.
5908         (*subsi3_extended): Renamed from subsi3_internal_2.
5909         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
5910         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
5911         using an any_cond template.
5912
5913 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5914
5915         * read-rtl.c (read_rtx): Tidy use of format_ptr.
5916
5917 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
5918
5919         * read-rtl.c (string_obstack): New file-scope variable.
5920         (read_string, read_quoted_string, read_braced_string)
5921         (read_escape): Remove obstack parameter and use string_obstack instead.
5922         (read_rtx): Remove function-local rtl_obstack and initialize
5923         string_obstack instead.  Update call to read_string.
5924
5925 2004-08-22  Andrew Pinski  <apinski@apple.com>
5926
5927         PR c/15262
5928         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
5929         expression is not constant.
5930         (c_finish_return): Do not go through INDIRECT_REF when looking
5931         for the inner expression of an ADDR_EXPR for warning about.
5932
5933 2004-08-22  Richard Henderson  <rth@redhat.com>
5934
5935         PR 17075
5936         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
5937         create new blocks and fall through.
5938         (expand_gimple_basic_block): Update to match.
5939
5940 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
5941
5942         * reload.c (find_reloads_address): Make return value tri-state.
5943         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
5944         (find_reloads): Assume that reloaded addresses match 'o' or
5945         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
5946         returned 1 (not -1).  Omit optional reloads for address operands
5947         only if find_reloads_address returned 1 (not -1).
5948
5949         * config/s390/s390.c (legitimize_reload_address): New function.
5950         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
5951         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
5952         legitimize_reload_address.
5953
5954 2004-08-22  Richard Hendersion  <rth@redhat.com>
5955
5956         * tree.h (SAVE_EXPR_RESOLVED_P): New.
5957         * gimplify.c (gimplify_save_expr): Use it.
5958         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
5959         on the temporary variable.
5960
5961 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
5962
5963         * fold-const.c (rtl_expr_nonnegative_p): Delete.
5964         * tree.h (rtl_expr_nonnegative_p): Remove.
5965
5966 2004-08-22  Steven Bosscher  <stevenb@suse.de>
5967
5968         * config/i386/ppro.md (ppro_complex_insn): Add missing check
5969         for cpu==pentiumpro.
5970
5971         * combine.c (struct reg_stat): Fix comment typo.
5972
5973 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
5974
5975         * c-tree.h (c_sizeof_nowarn): Remove.
5976
5977 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
5978
5979         * c-decl.c (set_array_declarator_type): Rename to
5980         set_array_declarator_inner.
5981         (build_c_parm, build_attrs_declarator, build_function_declarator):
5982         New functions.
5983         (make_pointer_declarator): Call build_attrs_declarator.
5984         * c-tree.h (set_array_declarator_type): Rename to
5985         set_array_declarator_inner.
5986         (build_c_parm, build_attrs_declarator, build_function_declarator):
5987         New prototypes.
5988         * c-parse.in (after_type_declarator,
5989         parm_declarator_starttypename, parm_declarator_nostarttypename,
5990         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
5991         firstparm): Use these functions
5992
5993 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
5994
5995         * c-decl.c (build_array_declarator, set_array_declarator_type,
5996         start_decl, grokdeclarator, grokparms): Change boolean parameters
5997         to type bool.
5998         * c-tree.h (build_array_declarator, set_array_declarator_type,
5999         start_decl): Update prototypes.
6000         * c-decl.c, c-parse.in: All callers changed.
6001
6002 2004-08-21  Mike Stump  <mrs@apple.com>
6003
6004         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
6005         (darwin_fix_and_continue): Likewise.
6006         (darwin_fix_and_continue_switch): Likewise.
6007         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
6008         (darwin_fix_and_continue): Likewise.
6009         (darwin_fix_and_continue_switch): Likewise.
6010
6011 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
6012
6013         PR  c++/16030
6014         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
6015         Remove, merging into ...
6016         (gen_stdcall_or_fastcall_suffix): New function, returning tree
6017         rather than const char*, and accepting additional parameter.
6018         Don't add suffix to '*'-prefixed symbols or variadic functions.
6019         (i386_pe_encode_section_info): Adjust for call to new function.
6020         Call change_decl_assembler_name.
6021
6022 2004-08-20  Mike Stump  <mrs@apple.com>
6023
6024         * config/darwin.c (machopic_indirect_data_reference): Mark
6025         stubs as defined.
6026         * config/386/386.c (darwin_local_data_pic): Add.
6027         (legitimate_constant_p): Reorder so that PLUS handling runs
6028         before darwin_local_data_pic to match the ordering in
6029         legitimate_pic_address_disp_p and so that MINUS runs after
6030         darwin_local_data_pic as otherwise the darwin_local_data_pic
6031         logic can be skipped, which would be very bad.
6032         (legitimate_pic_address_disp_p): Move from from here to
6033         darwin_local_data_pic so it can be reused.
6034
6035 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
6036
6037         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
6038         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
6039         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
6040         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
6041         (RS6000_ABI_NAME): Define as "linux".
6042         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
6043         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
6044         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
6045         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
6046         * config/rs6000/rs6000.c (dot_symbols): New global var.
6047         (rs6000_output_function_entry): New function, modified for
6048         !DOT_SYMBOLS..
6049         (print_operand <case 'z'>): ..extracted from here.
6050         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
6051         (rs6000_output_function_epilogue): Likewise.
6052         (rs6000_elf_declare_function_name): Likewise.
6053         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
6054         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
6055         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
6056         * configure: Regenerate.
6057         * config.in: Regenerate.
6058
6059 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
6060
6061         * reload.c (find_reloads_address): Fix thinko in previous change.
6062
6063         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
6064         a CONST_INT.
6065
6066 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
6067
6068         PR rtl-optimization/17099
6069         * combine.c (force_to_mode): Check if inner_mask has any bits set
6070         outside of GET_MODE (x) instead of op_mode.
6071
6072 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
6073
6074         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
6075         fragment.
6076         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
6077         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
6078         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
6079         architecture.
6080         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
6081         configurations.
6082         * config/arm/t-symbian: New file.
6083
6084 2004-08-20  Andrew Pinski  <apinski@apple.com>
6085
6086         * regrename.c (kill_value_regno): ANSIfy.
6087
6088 2004-08-20  Dale Johannesen  <dalej@apple.com>
6089
6090         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
6091
6092 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
6093
6094         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
6095         (kill_value_regno): New function, derived from kill_value.
6096         (kill_value): Update.
6097         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
6098
6099 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
6100
6101         Fix PR tree-optimization/17111
6102         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
6103         of non-value_handles.
6104         (bitmap_set_contains): All constants are in every set.
6105
6106 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
6107
6108         * fold-const.c (round_up, round_down): Use build_int_cst.
6109         Optimize common case.
6110
6111 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
6112             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6113
6114         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
6115         one_only_data_section): Rename to som_readonly_data_section,
6116         som_one_only_readonly_data_section and som_one_only_data_section.
6117         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
6118         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
6119         conditional defines.
6120         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
6121         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
6122         string values.
6123         (pa_select_section): Use renamed section functions.
6124         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
6125         SOM_READONLY_DATA_SECTION_FUNCTION,
6126         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6127         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
6128         Define here ...
6129         * config/pa/som.h: ... not here.
6130         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6131         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
6132         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6133         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
6134         (READONLY_DATA_SECTION): Use som_readonly_data_section.
6135
6136 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
6137
6138         * fold-const.c (int_const_binop): Don't generate non-overflowing
6139         size-types specially.
6140         (fold_convert_const): Likewise.
6141
6142         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
6143         clear cache on copied sizetype.
6144
6145 2004-08-20  Ben Elliston  <bje@au.ibm.com>
6146
6147         * configure.ac: Don't escape apostrophe in --enable-coverage help.
6148         * configure: Regenerate.
6149
6150 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
6151
6152         PR 5620
6153         * gcc.c (struct stat input_stat): Don't define if
6154         HOST_LACKS_INODE_NUMBERS
6155         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
6156         than stat to determine if temp file is same as input file.
6157         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
6158         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
6159
6160 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
6161
6162         * configure.ac (mips*-*-*): Print an error if not using GAS.
6163         * configure: Regenerated.
6164         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
6165         comments about buggy MIPSpro assemblers.
6166         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
6167         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
6168         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
6169         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
6170         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
6171         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
6172         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
6173         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
6174         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
6175         of more general IRIX 6 definitions.
6176         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
6177         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
6178         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
6179         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
6180         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
6181         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
6182         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
6183         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
6184         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
6185         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
6186         (LINK_SPEC): Move most of definition to iris.h.
6187         (SUBTARGET_LINK_SPEC): New macro.
6188         (IRIX_STARTFILE_SPEC): Fold into...
6189         (STARTFILE_SPEC): ...here.
6190         (IRIX_ENDFILE_SPEC): Fold into...
6191         (ENDFILE_SPEC): ...here.
6192         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
6193         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
6194         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
6195         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
6196         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
6197         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
6198         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
6199         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
6200         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
6201         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
6202         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
6203         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
6204         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
6205         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
6206         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
6207         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
6208         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
6209         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
6210         (TARGET_IRIX6): Define to 1.
6211         (DRIVER_SELF_SPECS): Define.
6212         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
6213         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
6214         (SUBTARGET_LINK_SPEC): New macro.
6215         (IRIX_STARTFILE_SPEC): Fold into...
6216         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
6217         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
6218         (LIB_SPEC, LIBGCC_SPEC): Use them.
6219         (LIB_SPEC): Remove !mabi=* case.
6220         (IRIX_ENDFILE_SPEC): Fold into...
6221         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
6222         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
6223         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
6224         (TARGET_IRIX6): New macro.
6225         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
6226         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
6227         (LABEL_AFTER_LOC): Delete.
6228         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
6229         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
6230         (mips_build_builtin_va_list): Check TARGET_IRIX6.
6231         (override_options): Remove TARGET_SGI_O32_AS-related code.
6232         (irix_output_external_libcall): Make static.
6233         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
6234         LABEL_AFTER_LOC.
6235         (mips_file_start): Tidy guard for ABI sections.  Remove use of
6236         ABICALLS_ASM_OP; use .abicalls instead.
6237         (mips_output_aligned_decl_common, mips_declare_object_name)
6238         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
6239         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
6240         .globl foo .text directives.
6241         (irix_asm_named_section_1, irix_asm_named_section)
6242         (irix_section_align_entry, irix_section_align_htab)
6243         (irix_orig_asm_out_file, irix_section_align_entry_eq)
6244         (irix_section_align_entry_hash, irix_asm_output_align)
6245         (irix_file_start, irix_section_align_1, copy_file_data)
6246         (irix_file_end, irix_section_type_flags): Delete.
6247         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
6248         Use standard section syntax.  Remove protective "jr $31".
6249         (__gcc_fini): Likewise .gcc_fini.
6250         * config/mips/irix-crtn.asm: Adjust sections accordingly.
6251         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
6252         iris5gas.h.
6253         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
6254         from t-irix-gld.
6255         (EXTRA_MULTILIB_PARTS): Define.
6256         * config/mips/t-iris6: Remove bogus comment.
6257         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
6258         * config/mips/iris5gas.h, config/mips/iris5gld.h,
6259         config/mips/iris6gas.h, config/mips/iris6gld.h,
6260         config/mips/t-iris5-as, config/mips/t-iris5-gas
6261         config/mips/t-irix-gld: Delete.
6262         * config/mips/iris.h: New file.
6263         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
6264
6265 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
6266
6267         * postreload.c (reload_cse_move2add): Allow any condjump, but check
6268         that the implicit set isn't clobbered in the jump insn.
6269
6270 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
6271
6272         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
6273         * optabs.c (init_optabs): Don't check it.
6274         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
6275         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
6276
6277 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
6278
6279         * config/s390/s390.md (s390_warn_framesize_string)
6280         (s390_warn_dynamic_string, s390_stack_size_string)
6281         (s390_stack_guard_string): New global string variables.
6282         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
6283         (s390_stack_guard): New global variables.
6284         (override_options): Added checks for the new options.
6285         (s390_emit_prologue): Emit stack check and trap code and perform
6286         compile time stack size checking.
6287
6288         * config/s390/s390.h (TARGET_OPTIONS): Added new options
6289         "warn-framesize", "warn-dynamicstack", "stack-size" and
6290         "stack-guard".
6291
6292         * doc/invoke.texi: Added documentation for the new options.
6293
6294 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
6295
6296         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
6297         to eliminate warning.
6298         (linear_search_fdes): Declare p as unsigned.
6299         (binary_search_mixed_encoding_fdes): Likewise.
6300         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
6301         to eliminate warning.
6302         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
6303         type cast.
6304
6305 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
6306
6307         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
6308         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
6309         instead of one.  Check for strictly legitimate address.
6310         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
6311         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
6312
6313 2004-08-19  Eric Christopher  <echristo@redhat.com>
6314
6315         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
6316         * langhooks.h (unsave_expr_now): Ditto.
6317         * tree.h (unsave_expr_1): Remove prototype.
6318         (lhd_unsave_expr_now): Rename to unsave_expr_now.
6319         * tree-inline.c (unsave_expr_1): Move here
6320         from tree.c. Make static.
6321         (unsave_expr_now): Rename from lhd_unsave_expr_now.
6322         * tree-sra.c: Fix up for rename.
6323         * tree-ssa-copy.c: Ditto.
6324         * tree-eh.c: Ditto.
6325         * tree.c (unsave_expr_1): Move to tree-inline.c.
6326
6327 2004-08-19  Caroline Tice  <ctice@apple.com>
6328
6329         * config/i386/cygming.h (switch_to_section):  Fix typo (change
6330         in_unlikely_text_section to in_unlikely_executed_text).
6331
6332 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
6333
6334         * vec.h (VEC_lower_bound): New macro.
6335
6336 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
6337
6338         PR target/16446
6339         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
6340         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
6341         treat each ABI separately.  Deal with n32/n64 complex float arguments.
6342         (function_arg): Add associated complex handling here.
6343
6344 2004-08-19  Richard Henderson  <rth@redhat.com>
6345
6346         * config/arm/arm.c (arm_gen_load_multiple): Use
6347         adjust_automodify_address.  Take base memory and offset instead
6348         of unchanging/struct/scalar bits.
6349         (arm_gen_store_multiple): Likewise.
6350         (arm_gen_movmemqi): Use adjust_automodify_address.
6351         * config/arm/arm-protos.h: Update decls.
6352         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
6353         (store_multiple): Similarly.
6354
6355 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
6356
6357         * regclass.c (globalize_reg): Update call_really_used_regs.
6358
6359 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
6360
6361         * doc/invoke.texi (integer-share-limit): Document.
6362
6363         * tree.h (TYPE_CACHED_VALUES_P): New.
6364         (TYPE_CACHED_VALUES): New.
6365         (TYPE_ORIG_SIZE_TYPE): Adjust.
6366         * tree.def (INTEGER_CST): Update documentation.
6367         * tree.c: Inlcude params.h.
6368         (build_int_cst): Cache small values.
6369         (build_type_copy): Do not copy the value cache.
6370         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
6371         unneeded zeroing.
6372         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
6373         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
6374         cache.
6375         * fold-const.c (force_fit_type): Copy value when setting
6376         overflows.
6377         (int_const_binop): Likewise.
6378         * stor-layout.c: Include params.h
6379         (set_sizetype): Create values cache.
6380         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
6381         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
6382         * params.h (INTEGER_SHARE_LIMIT): New.
6383         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
6384
6385 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
6386
6387         * gimplify.c (gimplify_minimax_expr): Remove.
6388         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
6389
6390 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
6391
6392         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
6393         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
6394
6395 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
6396
6397         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
6398
6399 2004-08-18  Andrew Pinski  <apinski@apple.com>
6400
6401         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
6402
6403 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
6404
6405         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
6406         (__aeabi_ul2f): Likewise.
6407
6408 2004-08-18  Richard Henderson  <rth@redhat.com>
6409
6410         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
6411         move to rtl completely.
6412         (struct meminsnbuf, xtensa_emit_block_move): Remove.
6413         (xtensa_find_mode_for_size): Remove.
6414         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
6415         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
6416
6417 2004-08-18  Richard Henderson  <rth@redhat.com>
6418
6419         * config/mcore/mcore.c (mode_from_align): Remove DImode.
6420         (block_move_sequence): Rewrite to use adjust_address.
6421         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
6422         Return boolean indicating success/failure.
6423         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
6424         * config/mcore/mcore.md (movmemsi): Update to match.
6425
6426 2004-08-18  Mike Stump  <mrs@apple.com>
6427
6428         * doc/invoke.texi (-mfix-and-continue): Add support for
6429         fast turn around debugging.
6430         (-ffix-and-continue): Likewise.
6431         (-mindirect-data): Likewise.
6432         (-findirect-data): Likewise.
6433         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
6434         (indirect_data): Likewise.
6435         (machopic_data_defined_p): Likewise.
6436         (machopic_output_indirection): Likewise.
6437         (darwin_encode_section_info): Likewise.
6438         (darwin_fix_and_continue): Likewise.
6439         (darwin_fix_and_continue_switch): Likewise.
6440         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
6441         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
6442         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
6443         (SUBTARGET_OPTIONS): Likewise.
6444         (darwin_fix_and_continue): Likewise.
6445         (darwin_fix_and_continue_switch): Likewise.
6446         (TARGET_FIX_AND_CONTINUE): Likewise.
6447         * config/rs6000.c (rs6000_emit_prologue): Likewise.
6448
6449 2004-08-19  Steven Bosscher  <stevenb@suse.de>
6450
6451         * basic-block.h (struct edge_def): Remove crossing_edge.
6452         (EDGE_CROSSING): New define.
6453         (EDGE_ALL_FLAGS): Update.
6454         * bb-reorder.c (find_traces_1_round, better_edge_p,
6455         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
6456         find_jump_block, fix_crossing_conditional_branches,
6457         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
6458         Replace all occurences of crossing_edge with an edge flag check
6459         or set/reset.
6460         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6461         try_crossjump_bb): Likewise.
6462         * cfglayout.c (fixup_reorder_chain): Likewise.
6463         * cfgrtl.c (force_nonfallthru_and_redirect,
6464         commit_one_edge_insertion): Likewise.
6465
6466         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
6467         * tree-flow.h (compute_dominance_frontiers): Move prototype...
6468         * basic-block.h:  ...here.
6469         * tree-cfg.c (compute_dominance_frontiers_1,
6470         compute_dominance_frontiers): Move from here...
6471         * cfganal.c: ...to here.  Include timevar.h.
6472
6473 2004-08-18  James E Wilson  <wilson@specifixinc.com>
6474
6475         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
6476         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
6477
6478         * config/mips/mips.md (type): Add frdiv.
6479         (divsf3+1, divsf3+2): Change type to frdiv.
6480         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
6481         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
6482
6483         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
6484         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
6485         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
6486         * config/mips/5000.md (r5k_fdiv_single): Likewise.
6487         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
6488         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
6489         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
6490         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
6491         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
6492         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
6493         Likewise.
6494         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
6495
6496 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
6497
6498         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
6499         get regression tester working again.
6500
6501 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
6502
6503         * insn-notes.def, reg-notes.def: New files.
6504         * rtl.h: Use them to define enum insn_note and enum reg_note.
6505         * rtl.c: Use them to define note_insn_name and reg_note_name.
6506         * Makefile.in (RTL_BASE_H): Update.
6507
6508         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
6509         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
6510
6511 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
6512
6513         * arm.c (arm_size_rtx_costs): New function.
6514         (arm_override_options): Use it if optimizing for space.
6515
6516 2004-08-18  Richard Henderson  <rth@redhat.com>
6517
6518         * emit-rtl.c (gen_const_mem): New.
6519         * rtl.h (gen_const_mem): Declare.
6520         * expr.c (do_tablejump): Use it.
6521         * varasm.c (force_const_mem): Likewise.
6522         * config/darwin.c (machopic_indirect_data_reference): Likewise.
6523         (machopic_legitimize_pic_address): Likewise.
6524         * config/arm/arm.c (legitimize_pic_address): Likewise.
6525         * config/i386/i386.c (legitimize_pic_address): Likewise.
6526         (legitimize_tls_address): Likewise.
6527         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
6528         * config/ia64/ia64.md (load_fptr): Likewise.
6529         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
6530         * config/pa/pa.c (legitimize_pic_address): Likewise.
6531         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
6532         (rs6000_emit_move): Likewise.
6533         * config/s390/s390.c (legitimize_pic_address): Likewise.
6534         (legitimize_tls_address): Likewise.
6535         * config/s390/s390.md (casesi): Likewise.
6536         * config/sh/sh.c (sh_reorg): Likewise.
6537         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
6538         * config/v850/v850.md (casesi): Likewise.
6539
6540         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
6541         * config/sh/sh.c (prepare_move_operands): Remove incorrect
6542         use of MEM_READONLY_P.
6543
6544 2004-08-18  Steven Bosscher  <stevenb@suse.de>
6545
6546         * Makefile.in (OBJS-common): Add postreload-gcse.c.
6547         Add new postreload-gcse.o.
6548         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
6549         (lookup_as_function, insert, rehash_using_reg, use_related_value,
6550         equiv_constant): Use SAFE_HASH instead of safe_hash.
6551         (exp_equiv_p): Export.  Add for_gcse argument when comparing
6552         for GCSE.
6553         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
6554         find_comparison_args, fold_rtx, cse_insn): Update callers.
6555         (hash_rtx): New function derived from old canon_hash and bits
6556         from gcse.c hash_expr_1.
6557         (canon_hash_string): Rename to hash_rtx_string.
6558         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
6559         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
6560         (cselib_lookup): Update this caller.
6561         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
6562         Make static.
6563         (hash_expr): Call hash_rtx.
6564         (ldst_entry): Likewise.
6565         (expr_equiv_p): Call exp_equiv_p.
6566         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
6567         reg_used_on_edge, reg_set_between_after_reload_p,
6568         reg_used_between_after_reload_p, get_avail_load_store_reg,
6569         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
6570         get_bb_avail_insn, hash_scan_set_after_reload,
6571         compute_hash_table_after_reload,
6572         eliminate_partially_redundant_loads, gcse_after_reload,
6573         get_bb_avail_insn, gcse_after_reload_main): Remove.
6574         * postreload-gcse.c: New file, reincarnating most of the above.
6575         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
6576         (gcse_after_reload_main): Update prototype.
6577         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
6578         * passes.c (rest_of_handle_gcse2): Use it.
6579
6580 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
6581
6582         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
6583         (pass_loop_done): Likewise.
6584
6585 2004-08-18  Andrew Pinski  <apinski@apple.com>
6586
6587         * config/rs6000/darwin.md: Delete the altivec patterns which are
6588         handled differently now.
6589         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
6590         (macho_correct_pic_di): Likewise.
6591         (call_indirect_nonlocal_darwin64): Likewise.
6592         Delete the save world/saveFP/saveVec patterns.
6593
6594         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
6595         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
6596         * config/rs6000/rs6000.md: Include darwin.md.
6597         (builtin_setjmp_receiver): Add DImode case.
6598         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
6599         Darwin bits.
6600
6601 2004-08-18  Matt Austern  <austern@apple.com>
6602
6603         Dead code stripping
6604         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
6605         * darwin.c (darwin_file_end): Mark file as potentially strippable.
6606
6607 2004-08-18  Richard Henderson  <rth@redhat.com>
6608
6609         * alias.c (readonly_fields_p): Remove.
6610         (objects_must_conflict_p): Don't call it.
6611         * tree.h (readonly_fields_p): Remove.
6612         * langhooks.h (struct lang_hooks): Remove honor_readonly.
6613         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
6614
6615 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
6616
6617         * tree-dfa.c (add_referenced_var): Only global variables are
6618         call-clobbered.
6619         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
6620         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
6621         all pointers dereferenced if the statement dereferences them.
6622         (create_name_tags): Do not create memory tags for pointers
6623         that have PT_ANYTHING set.
6624         Also check if PT_VARS is not empty before creating a name tag.
6625         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
6626         variables that share the same alias set with a pointer that
6627         may point anywhere.
6628         (add_may_alias): Add FIXME comment to remove clobbering
6629         aliased variables and tags.
6630         (replace_may_alias): Likewise.
6631         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
6632         (merge_pointed_to_info): If the original variable has not
6633         points-to information, call set_pt_anything.
6634         (add_pointed_to_var): Do not prevent adding a pointed-to
6635         variable if the pointers is PT_ANYTHING.
6636         If the variable is a global, set PT_GLOBAL_MEM.
6637         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
6638         pointer type only come in PTR+OFFSET flavours.
6639         Always call merge_pointed_to_info on PHI arguments that are
6640         SSA_NAMEs.
6641         (get_nmt_for): Mark call-clobbered tags whose pointer points
6642         to global memory.
6643         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
6644         values.
6645         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
6646         FLAGS.
6647         (add_stmt_operand): Abort if the caller tried to add a killing
6648         definition for a memory tag.
6649         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
6650         unnecessary checks.
6651
6652 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
6653
6654         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
6655         from call_used_regs.  Update call_really_used_regs.
6656         (CALL_REALLY_USED_REGISTERS): Define.
6657         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
6658         Replace call_used_regs with call_really_used_regs.
6659         (calc_live_regs, sh_media_register_for_return): Likewise.
6660         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
6661         * sh.md (return_media): Likewise.
6662
6663 2004-08-18  Andrew Pinski  <apinski@apple.com>
6664
6665         * config/darwin.c (machopic_legitimize_pic_address): Only set
6666         MEM_READONLY_P in the non TARGET_TOC case.
6667
6668 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
6669
6670         * rtl.def (NIL): Delete.
6671         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
6672         Tighten the syntax a little.
6673
6674         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
6675         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
6676         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
6677         * config/i386/predicates.md, config/m32r/m32r.h
6678         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
6679         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
6680         * config/sparc/sparc.h, doc/tm.texi:
6681         Replace all occurrences of NIL with UNKNOWN.
6682
6683 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
6684
6685         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
6686         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
6687         sequence inline.  Move drop_through_label code into this
6688         block, being the only place it is used.  Adjust comments.
6689
6690 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
6691
6692         * config/rs6000/altivec.md: Add new patterns for calls to
6693         save_world/rest_world functions.
6694
6695         * config/rs6000/rs6000-protos.h: (save_world_operation,
6696         restore_world_operation) new declarations.
6697
6698         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
6699         field added.
6700         (rs6000_stack_info): Set world_save_p field.
6701         (save_world_operation): New function.
6702         (restore_world_operation): New function.
6703         (compute_save_world_info): New function.
6704         (rs6000_stack_info): Call compute_save_world_info.
6705         (rs6000_emit_prologue): Check for world_save_p and generate
6706         pattern to call save_world for saving all non-volatile and
6707         special registers.
6708         (rs6000_emit_epilogue): Check for world_save_p and generate
6709         pattern to call rest_world to restore saved registers.
6710
6711         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
6712         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
6713         (rs6000_reg_names): New entries added for save_world_operation and
6714         restore_world_operation.
6715
6716 2004-08-18  Caroline Tice  <ctice@apple.com>
6717
6718         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
6719         "-freorder-blocks-and-partition" to the flags used in second
6720         stage of profiledbootstrap.
6721         * bb-reorder.c (push_to_next_round_p): Add new variable,
6722         next_round_is_last; set and use variable to make sure, when
6723         partitioning, that the last trace construction round consists
6724         of all (and only) cold basic blocks.
6725         (rotate_loop): Don't copy blocks that end in a section
6726         crossing jump.
6727         (copy_bb): Correctly initialize "partition" of duplicated bb.
6728         (add_unlikely_executed_notes): Add a comment.
6729         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
6730         to make sure, if function contains hot blocks, that the
6731         successors of ENTRY_BLOCK_PTR are hot; also, only look for
6732         crossing edges if the architecture supports named sections.
6733         (mark_bb_for_unlikely_executed_section): Modify to always
6734         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
6735         the basic block note insn.
6736         (fix_crossing_unconditional_branches): Remove extra space.
6737         (fix_edges_for_rarely_executed_code): Modify to only do
6738         partitioning work if the architecture supports named sections.
6739         (reorder_basic_blocks): Modify to only add
6740         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
6741         supports named sections.
6742         * c-common.c (handle_section_attribute): Initialize new global
6743         variable, user_defined_section_attribute, to true if user has
6744         specified one.
6745         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
6746         forward edges that cross section boundaries.
6747         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
6748         partitioning information if the architecture supports named
6749         sections.
6750         * cfgrtl.c (target.h): Add statement to include this.
6751         (rtl_split_block): Make sure newly created bb gets correct
6752         partition.
6753         (try_redirect_by_replacing_jump): Make sure redirection isn't
6754         attempting to cross section boundaries.
6755         (force_nonfallthru_and_redirect): Only do partition fix up if
6756         architecture supports named sections.
6757         (rtl_split_edge): Make sure newly created bb ends up in
6758         correct partition.
6759         (commit_one_edge_insertion): Remove code that incorrectly
6760         updated basic block partition; Make sure partition fix up only
6761         happens if architecture supports named sections and it's not
6762         already done.
6763         (rtl_verify_flow_info_1): Fix if-condition on test/error
6764         condition that fallthru edges are not allowed to cross section
6765         boundaries.
6766         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
6767         * final.c (final_scan_insn): Remove redundant test from if-statement;
6768         change calls to text_section into calls to function_section; add code
6769         to only to partitioning fix up if architecture supports named
6770         sections.
6771         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
6772         partition.
6773         (if_convert): Add targetm.have_named_sections to test.
6774         * output.h (unlikely_section_label): Extern declaration for new global
6775         variable.
6776         (unlikely_text_section_name): Likewise.
6777         * opts.c (decode_options): If both partitioning and DWARF debugging
6778         are turned on, issue a warning that this doesn't work, and change
6779         partitiong to basic block reordering (without hot/cold partitions).
6780         * passes.c (rest_of_handle_final): Re-set new global variable,
6781         user_defined_section_attribute, to false.
6782         (rest_of_compilation): Change options for calling partitioning
6783         function: Don't call if the user defined the section attribute, and
6784         don't call if DECL_ONE_ONLY is true for the current function.
6785         * predict.c (choose_function_section): Return immediately if we
6786         are doing hot/cold partitioning (i.e. let the basic block partitioning
6787         determine where the function belongs).
6788         * reg-stack.c (emit_swap_insn): Add condition to step over
6789         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
6790         * toplev.c (user_defined_section_attribute): New global variable.
6791         * toplev.h (user_defined_section_attribute): Extern declaration
6792         for new global variable.
6793         * varasm.c (unlikely_section_label): New global variable.
6794         (unlikely_text_section_name): New global variable.
6795         (unlikely_text_section): Add code to initialize
6796         unlikely_text_section_name if necessary; modify to use
6797         unlikely_text_section_name and unlikely_section_label; also to use
6798         named_section properly.
6799         (in_unlikely_text_section):  Modify to work correctly with
6800         named_section and to use unlikely_text_section_name.
6801         (named_section):  Add code to work properly with cold section.
6802         (function_section): Clean up if-statement.
6803         * config/darwin.c (darwin_asm_named_section): Return to original
6804         code, removing use of SECTION_FORMAT_STRING.
6805         * config/arm/pe.h (switch_to_section):  Add case for
6806         in_unlikely_executed_text to switch statement.
6807         * config/i386/cygming.h (switch_to_section): Likewise.
6808         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
6809         (SECTION_FORMAT_STRING): Likewise.
6810         * config/mcore/mcore.h (switch_to_section): Likewise.
6811         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
6812         (SECTION_FORMAT_STRING): Remove.
6813
6814 2004-08-18  Roger Sayle  <roger@eyesopen.com>
6815
6816         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
6817         -ffixed-reg safe, by preserving the meanings of zero and one.
6818         (CALL_USED_REGISTERS): Likewise.
6819         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
6820
6821 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6822
6823         * config/sh/sh.c (split_branches): Check the result of
6824         next_active_insn.
6825         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
6826         Call rtl_register_cfg_hooks.
6827
6828 2004-08-18  Richard Henderson  <rth@redhat.com>
6829
6830         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
6831         * alias.c (true_dependence): Update to match new semantics.
6832         (canon_true_dependence, write_dependence_p): Likewise.
6833         (anti_dependence, output_dependence): Update write_dependence_p args.
6834         (unchanging_anti_dependence): Remove.
6835         * calls.c (purge_mem_unchanging_flag): Remove.
6836         (fixup_tail_calls): Don't call it.
6837         (expand_call): Don't add unchanging memory to function usage.
6838         * expr.c (emit_block_move_via_libcall): Likewise.
6839         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
6840         (get_subtarget): Don't use RTX_UNCHANGING_P.
6841         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
6842         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
6843         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
6844         * cse.c (insert): Don't use RTX_UNCHANGING_P.
6845         (cse_insn, canon_hash): Use MEM_READONLY_P.
6846         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
6847         instead of RTX_UNCHANGING_P.
6848         * explow.c (maybe_set_unchanging): Remove.
6849         * expr.h (maybe_set_unchanging): Remove.
6850         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
6851         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
6852         (assign_parm_setup_reg, expand_function_start): Likewise.
6853         * integrate.c (copy_rtx_and_substitute): Likewise.
6854         * ra-rewrite.c (emit_colors): Likewise.
6855         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
6856         (fixup_match_1): Likewise.
6857         * reload1.c (reload, alter_reg): Likewise.
6858         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
6859         not RTX_UNCHANGING_P.
6860         (equiv_init_varies_p): Likewise.
6861         * loop-invariant.c (check_maybe_invariant): Likewise.
6862         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
6863         * loop.c (note_addr_stored): Likewise.
6864         (prescan_loop): Likewise. Don't check function usage for clobbered
6865         unchanging memory.
6866         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
6867         not RTX_UNCHANGING_P.
6868         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
6869         * varasm.c (force_const_mem): Likewise.
6870         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
6871         * web.c (entry_register): Likewise.
6872         * tree-gimple.h (get_base_address): Move decl ...
6873         * tree.h: ... here.
6874         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
6875
6876         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
6877         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
6878         (alpha_set_memflags): Update to match.
6879
6880         * config/darwin.c (machopic_indirect_data_reference): Set
6881         MEM_READONLY_P instead of RTX_UNCHANGING_P.
6882         (machopic_indirect_call_target): Likewise.
6883         (machopic_legitimize_pic_address): Likewise.
6884         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
6885         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
6886         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
6887         * config/frv/frv.md (symGOT2reg): Likewise.
6888         * config/i386/i386.c (legitimize_pic_address,
6889         legitimize_tls_address, ix86_split_to_parts): Likewise.
6890         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
6891         * config/ia64/ia64.md (load_fptr): Likewise.
6892         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
6893         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
6894         * config/mcore/mcore.c (block_move_sequence): Likewise.
6895         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
6896         * config/pa/pa.c (legitimize_pic_address): Likewise.
6897         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
6898         (rs6000_emit_move): Likewise.
6899         * config/s390/s390.c (legitimize_pic_address): Likewise.
6900         (legitimize_tls_address): Likewise.
6901         * config/s390/s390.md (casesi): Likewise.
6902         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
6903         * config/sh/sh.md (symGOT2reg): Likewise.
6904         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
6905         * config/v850/v850.md (casesi): Likewise.
6906
6907         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
6908         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
6909         * config/mips/mips.c (mips_restore_gp): Likewise.
6910         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
6911         * config/sh/sh.c (sh_reorg): Likewise.
6912
6913 2004-08-18  Richard Henderson  <rth@redhat.com>
6914
6915         * tree.h (struct tree_decl): Add gimple_formal_temp.
6916         (DECL_GIMPLE_FORMAL_TEMP_P): New.
6917         * gimplify.c (pop_gimplify_context): Clear it.
6918         (lookup_tmp_var): Set it, if is_formal.
6919         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
6920         Use is_gimple_val for VECTOR.  Simplify return value.
6921         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
6922         (gimplify_expr): Likewise.
6923         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
6924         is_gimple_tmp_rhs for clarity.  Update all callers.
6925         (is_gimple_reg_rhs): Simplify logic.
6926         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
6927         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
6928         (is_gimple_formal_tmp_reg): Similarly.
6929         * tree-gimple.h: Update decls.
6930         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
6931         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
6932         * tree-ssa-live.c (var_union, type_var_init): Likewise.
6933
6934 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
6935
6936         * c4x.c (legitimize_operands): Remove calls to
6937         preserve_subexpressions_p.
6938
6939 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
6940
6941         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
6942         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
6943
6944 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
6945
6946         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
6947         Objective-C++ extensions.
6948         * gengtype.c (get_file_basename): Match entire subdirectory name
6949         ('cp', 'objc', 'objcp') rather than just its suffix.
6950         (get_base_file_bitmap): Allow for files to belong to more than one
6951         language.
6952         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
6953         used by more than one front-end.
6954
6955 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
6956
6957         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
6958         avoid use of preserve_subexpressions_p.
6959
6960 2004-08-17  Richard Henderson  <rth@redhat.com>
6961
6962         PR 17051
6963         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
6964
6965 2004-08-17  DJ Delorie  <dj@redhat.com>
6966
6967         * doc/extend.texi: Document new xstormy16 attribute.
6968
6969         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
6970         (xstormy16_splittable_below100_or_register): New.
6971         (combine_bnp): New.
6972         (xstormy16_reorg): New.
6973         (TARGET_MACHINE_DEPENDENT_REORG): Define.
6974
6975         * config/stormy16/stormy16.md (movqi_internal): Make name public.
6976         (movhi_internal): Likewise.
6977         (cbhranchhi): Likewise.
6978         (cbhranchhi_neg): Likewise.
6979         (andhi3): Only allow splittable below100 operands.
6980         (iorhi3): Likewise.
6981         (peephole2): New and/zero_extend->and peephole.
6982         (peephole2): New load/ior/save->set1 peephole.
6983         (peephole2): New load/and/save->clr1 peephole.
6984         (bclrx, bclrx2, bclr7, bclr15): New.
6985         (bsetx, bsetx2, bset7, bset15): New.
6986
6987         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
6988         liberal about acceptable 'B' masks.
6989
6990         * config/stormy16/stormy16-protos.h
6991         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
6992         xstormy16_below100_operand, xstormy16_below100_or_register,
6993         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
6994         (PREDICATE_CODES): Add new predicates.
6995
6996         * config/stormy16/stormy16.c
6997         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
6998         xstormy16_below100_operand, xstormy16_below100_or_register,
6999         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
7000         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
7001         (xstormy16_legitimate_address_p): Allow below100 symbols.
7002         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
7003         (xstormy16_expand_move): Leave below100 operands as-is.
7004         (xstormy16_encode_section_info): Encode below100 symbols.
7005         (xstormy16_strip_name_encoding): New.
7006         (xstormy16_print_operand): Print 'b' as shift mask.
7007         (xstormy16_attribute_table): Add below100 attributes.
7008         (xstormy16_handle_below100_attribute): New.
7009
7010         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
7011         (XSTORMY16_SECTION_FUNCTION): New.
7012         (EXTRA_SECTION_FUNCTIONS): Define using the above.
7013         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
7014         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
7015         (ASM_OUTPUT_LABELREF): Define.
7016
7017         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
7018         (movhi_internal): Add below100 support.
7019         (andhi3): Add below100 support.
7020         (iorhi3): Add below100 support.
7021         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
7022
7023 2004-08-17  James E Wilson  <wilson@specifixinc.com>
7024
7025         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
7026         of VOIDmode for comparison code mode.
7027         * config/mips/mips.md: For conditional move patterns, use mode of
7028         first compare operand for comparison mode, instead of VOIDmode.
7029
7030         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
7031         normal and -ffast-math code.
7032
7033 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
7034
7035         PR c++/15871
7036         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
7037
7038 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
7039
7040         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
7041
7042 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
7043
7044         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
7045         for non Darwin targets.
7046         (*call_value_nonlocal_darwin64): Likewise.
7047
7048 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
7049
7050         * config/rs6000/rs6000.c (rs6000_function_value): Check for
7051         altivec mode for altivec return register.
7052
7053 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
7054
7055         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
7056         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
7057         * config/rs6000/rs6000.md: Include darwin.md.
7058         (builtin_setjmp_receiver): Add DImode case.
7059         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
7060         Darwin bits.
7061
7062 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
7063
7064         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
7065         trees.
7066         * tree-vectorizer.h: New File: Same.
7067         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
7068         * common.opt (ftree-vectorize): New flag to enable vectorization.
7069         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
7070         vectorization pass.
7071         * tree-data-ref.h (init_data_ref): Additional argument.
7072         (array_base_name_differ_p): Moved to tree-data-ref.c.
7073         * tree-data-ref.c (array_base_name_differ_p): Revised.
7074         (initialize_data_dependence_relation): Call array_base_name_differ_p
7075         with an extra argument.
7076         (analyze_all_data_dependences): Same.
7077         (init_data_ref): Additional argument is_read to set DR_IS_READ.
7078         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
7079         file.
7080         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
7081         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
7082         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
7083         vectorization pass.
7084         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
7085         (tree_ssa_loop_done): Call scev_finalize.
7086         (tree_vectorize): Define the new vectorization pass.
7087         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
7088         size of the vector they support (until support for multiple vector
7089         sizes is added to the vectorizer).
7090         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
7091         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
7092         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
7093         documentation.
7094
7095 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
7096
7097         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
7098         usage.
7099         (generate_protocol_list, handle_impent): Likewise.
7100
7101 2004-08-17  Roger Sayle  <roger@eyesopen.com>
7102
7103         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
7104         ensure that call_used_regs is a superset of both fixed_regs and
7105         call_really_used_regs.
7106
7107 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
7108
7109         PR target/17019
7110         * arm.md (addsi3_cbranch_scratch): Correct case labels.
7111
7112 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
7113
7114         PR middle-end/17036
7115         * fold-const.c (fold): Check for integer operand when
7116         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
7117         Pinski  <pinskia@physics.uc.edu>.
7118
7119 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
7120
7121         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
7122         No need to check if in a cross configuration.
7123         * configure: Regenerate.
7124
7125         * calls.c (precompute_register_parameters):
7126         Inline preserve_subexpressions_p ().
7127         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
7128         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
7129         Likewise.
7130         * expr.c (get_subtarget): Likewise.
7131         * rtl.h (preserve_subexpressions_p): Remove.
7132         * stmt.c (preserve_subexpressions_p): Remove.
7133
7134         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
7135         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
7136         Abort on gimplified cases.
7137
7138 2004-08-16  James E Wilson  <wilson@specifixinc.com>
7139
7140         * tree.h (VECTOR_FLOAT_TYPE_P): New.
7141         (FLOAT_TYPE_P): Use it.
7142         * c-typeck.c (build_binary_op): After convert calls, check for
7143         check for ERROR_MARK operands.
7144
7145 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
7146
7147         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
7148         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
7149         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
7150         (genobjs static pattern rule): Remove %.c dependency.
7151         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
7152         Rename rules; delete commands; fix dependencies.
7153         (mostlyclean): Do not delete temporary source copies.
7154         * configure.ac: Delete all references to BUILD_PREFIX and
7155         BUILD_PREFIX_1.
7156         * configure: Regenerate.
7157
7158         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
7159         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
7160         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
7161         with #ifndef GENERATOR_FILE so that nothing from those headers
7162         is used.
7163
7164         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
7165
7166 2004-08-16  Adam Nemet  <anemet@lnxw.com>
7167
7168         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
7169
7170 2004-08-16  Andrew Pinski  <apinski@apple.com>
7171
7172         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
7173         extraneous semicolon.
7174
7175 2004-08-16  Devang Patel  <dpatel@apple.com>
7176
7177         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
7178         * print-tree.c (print_node): Print DECL_PRESERVE_P.
7179         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
7180         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
7181         * target.h (struct gcc_target): New member, mark_decl_preserved.
7182         * hooks.c (hook_void_charptr): Rename to ...
7183         (hook_void_constcharptr): ... new name.
7184         * hooks.h (hook_void_charptr): Rename to ..
7185         (hook_void_constcharptr): ... new name.
7186         * tree.h (DECL_PRESERVE_P): New #define.
7187         (struct tree_decl): New member, preserve_flag.
7188         * varasm.c (assemble_start_function): Mark decl preserved.
7189         (assemble_variable): Same.
7190         * darwin.c (darwin_mark_decl_preserved): New function.
7191         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
7192         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
7193         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
7194
7195 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
7196
7197         * c-decl.c (grokdeclarator): Allow for function definition where
7198         innermost declarator has attributes.
7199
7200 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
7201
7202         * except.c (get_exception_filter, build_post_landing_pads,
7203         dw2_build_landing_pads): Use target-specific mode for 'filter'.
7204         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
7205         * target.h (eh_return_filter_mode): New field added.
7206         * targhooks.c (default_eh_return_filter_mode): Defined.
7207         * targhooks.h (default_eh_return_filter_mode): Declared.
7208         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
7209
7210 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
7211
7212         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
7213         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
7214         * configure: Regenerate.
7215
7216 2004-08-16  Stan Shebs  <shebs@apple.com>
7217
7218         Basic support for 64-bit Darwin.
7219         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
7220         (machopic_legitimize_pic_address): Similarly, plus use Pmode
7221         instead of SImode.
7222         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
7223         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
7224         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
7225         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
7226         (PROCESSOR_DEFAULT64): Define.
7227         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
7228         Darwin.
7229         * config/rs6000/rs6000.md: Include darwin.md.
7230         (builtin_setjmp_receiver): Add DImode case.
7231         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
7232         Darwin.
7233         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
7234         (rs6000_emit_move): Add DImode case to Darwin bits.
7235         (machopic_output_stub): Use .quad if 64-bit.
7236         * invoke.texi: Document -m32 and -m64.
7237
7238 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
7239
7240         * doc/extend.texi (AltiVec builtins): Document additional differences
7241         from the Motorola AltiVec PIM.
7242
7243 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
7244
7245         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
7246         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
7247         (struct tree_common): Update public_flag documentation.
7248
7249 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
7250
7251         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
7252         Check for artificial variables, not is_gimple_tmp_var.
7253         * tree-ssa-live.c (var_union): Likewise.
7254
7255 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
7256
7257         * calls.c (load_register_parameters): Remove spurious FIXME token.
7258
7259 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
7260
7261         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
7262         (c-lang.o): Depend on c-objc-common.h.
7263         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
7264         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
7265         * c-lang.c: Include c-objc-common.h.
7266         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
7267         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
7268         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
7269         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
7270         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
7271         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
7272         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
7273         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
7274         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
7275         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
7276         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
7277         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
7278         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
7279         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
7280         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
7281         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
7282         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
7283         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
7284         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
7285         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
7286         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
7287         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
7288         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
7289         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
7290         Move to c-objc-common.h.
7291         * c-objc-common.c: Include c-objc-common.h.
7292         * c-objc-common.h: New file.
7293
7294 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
7295             Andrew Pinski  <pinskia@physics.uc.edu>
7296
7297         PR target/14931
7298         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
7299         style.
7300
7301 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
7302
7303         * tree.h (build_int_cst): New.
7304         (build_int_2): Remove.
7305         * tree.c (build_int_2): Remove.
7306         (build_int_cst): New.
7307         (make_vector_type, build_common_tree_nodes,
7308         build_common_tree_nodes_2): Use build_int_cst.
7309         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
7310         expand_builtin_strpbrk, expand_builtin_fputs,
7311         build_string_literal, expand_builtin_printf,
7312         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
7313         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
7314         fold_builtin_isdigit, simplify_builtin_strstr,
7315         simplify_builtin_strpbrk, fold_builtin_fputs,
7316         simplify_builtin_sprintf): Use build_int_cst.
7317         * c-common.c (start_fname_decls, fix_string_type,
7318         c_common_nodes_and_builtins, c_init_attributes,
7319         shorten_compare): Likewise.
7320         * c-decl.c (complete_array_type,
7321         check_bitfield_type_and_width): Likewise.
7322         * c-lex.c (interpret_integer, lex_charconst): Likewise.
7323         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
7324         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7325         * c-typeck.c (really_start_incremental_init, push_init_level,
7326         set_nonincremental_init_from_string): Likewise.
7327         * calls.c (load_register_parameters): Likewise.
7328         * convert.c (convert_to_pointer): Likewise.
7329         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
7330         build_fn_info_type, build_ctr_info_value, build_gcov_info):
7331         Likewise.
7332         * except.c (init_eh, assign_filter_values, assign_filter_values):
7333         Likewise.
7334         * expmed.c (store_fixed_bit_field, extract_bit_field,
7335         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
7336         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
7337         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
7338         * expr.c (convert_move, emit_group_load, emit_group_store,
7339         expand_assignment, store_constructor, store_field,
7340         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
7341         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
7342         invert_truthvalue, optimize_bit_field_compare,
7343         decode_field_reference, all_ones_mask_p, constant_boolean_node,
7344         fold_div_compare, fold, fold_read_from_constant_string,
7345         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7346         * function.c (assign_parm_setup_block): Likewise.
7347         * stmt.c (shift_return_value, expand_end_case_type,
7348         estimate_case_costs): Likewise.
7349         * stor-layout.c (layout_type, initialize_sizetypes,
7350         set_min_and_max_values_for_integral_type): Likewise.
7351         * tree-chrec.c (chrec_fold_multiply_poly_poly,
7352         reset_evolution_in_loop): Likewise.
7353         * tree-chrec.h (build_polynomial_chrec): Likewise.
7354         * tree-complex.c (build_replicated_const): Likewise.
7355         * tree-eh.c (honor_protect_cleanup_actions,
7356         lower_try_finally_onedest, lower_try_finally_copy,
7357         lower_try_finally_switch): Likewise.
7358         * tree-mudflap.c (mf_build_string, mx_register_decls,
7359         mudflap_register_call, mudflap_enqueue_constant): Likewise.
7360         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
7361         * tree-pretty-print.c (dump_generic_node): Likewise.
7362         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
7363         Likewise.
7364         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
7365         * tree-ssa-loop-niter.c (number_of_iterations_cond,
7366         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
7367         Likewise.
7368
7369         * config/alpha/alpha.c (alpha_initialize_trampoline,
7370         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
7371         * config/arm/arm.c (arm_get_cookie_size): Likewise.
7372         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7373         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
7374         * config/i860/i860.c (i860_va_start): Likewise.
7375         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7376         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
7377         mips_gimplify_va_arg_expr): Likewise.
7378         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7379         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
7380         add_compiler_branch_island): Likewise.
7381         * config/s390/s390.c (s390_va_start): Likewise.
7382         * config/sh/sh.c (sh_va_start): Likewise.
7383         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
7384         Likewise.
7385         * config/xtensa/xtensa.c (xtensa_va_start,
7386         xtensa_gimplify_va_arg_expr): Likewise.
7387
7388         * objc/objc-act.c (build_objc_string_object,
7389         build_objc_symtab_template, init_def_list, init_objc_symtab,
7390         init_module_descriptor, generate_static_references,
7391         build_selector_translation_table, get_proto_encoding,
7392         build_typed_selector_reference, build_selector_reference,
7393         build_next_objc_exception_stuff,
7394         build_method_prototype_list_template, generate_descriptor_table,
7395         generate_protocols, build_protocol_initializer,
7396         build_ivar_list_template, build_method_list_template,
7397         build_ivar_list_initializer, generate_ivars_list,
7398         generate_dispatch_table, generate_protocol_list,
7399         build_category_initializer, build_shared_structure_initializer,
7400         generate_shared_structures, handle_impent,
7401         generate_objc_image_info): Use build_int_cst.
7402
7403 2004-08-15  Ben Elliston  <bje@au.ibm.com>
7404
7405         * vec.h: Comment improvements.
7406
7407 2004-08-14  Roger Sayle  <roger@eyesopen.com>
7408
7409         * c-common.c (shorten_compare, pointer_int_sum,
7410         c_common_truthvalue_conversion, boolean_increment): Replace calls
7411         to build with calls to buildN.
7412         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
7413         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
7414         gimplify_switch_stmt): Likewise.
7415         * c-typeck.c (default_function_array_conversion,
7416         build_component_ref, build_array_ref, build_function_call,
7417         pointer_diff, build_unary_op, build_conditional_expr,
7418         build_compound_expr, build_modify_expr, c_finish_goto_label,
7419         c_finish_goto_ptr, c_finish_return, c_finish_loop,
7420         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
7421         build_binary_op): Likewise.
7422
7423 2004-08-15  Steven Bosscher  <stevenb@suse.de>
7424
7425         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
7426
7427 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7428
7429         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
7430         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
7431         * fixinc/fixincl.x: Rebuilt.
7432
7433 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
7434
7435         * config/mips/mips-protos.h (mips_symbolic_constant_p)
7436         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
7437         (mips_small_data_pattern_p): Declare.
7438         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
7439         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
7440         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
7441         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
7442         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
7443         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
7444         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
7445         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
7446         (pc_or_label_operand, call_insn_operand, move_operand)
7447         (consttable_operand, symbolic_operand, general_symbolic_operand)
7448         (global_got_operand, local_got_operand, stack_operand)
7449         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
7450         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
7451         (mips_small_data_pattern_p): Replace previous small_data_pattern
7452         predicate.  Turn into a bool () (rtx) function.
7453         * config/mips/predicates.md: New file.
7454         * config/mips/mips.md: Include it.  Use the target-independent
7455         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
7456         trap_comparison_operator and equality_op to equality_operator.
7457         Replace uses of small_int with the equivalent const_arith_operand.
7458         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
7459         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
7460         to fcc_reload_operand.
7461         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
7462
7463 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7464
7465         PR libstdc++/17005 partial fix.
7466         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
7467         except when generating ANSI/C89 code.
7468
7469 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
7470
7471         * c-common.c (shorten_compare): Use force_fit_type directly.
7472
7473 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
7474             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
7475             Dave Korn  <dk@artimi.com>
7476
7477         * doc/install.texi (Building): Avoid duplicate reference to GNU
7478         make requirement.
7479         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
7480
7481 2004-08-14  Richard Henderson  <rth@redhat.com>
7482
7483         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
7484         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
7485
7486 2004-08-13  Richard Henderson  <rth@redhat.com>
7487
7488         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
7489         for constant_call_address_operand.
7490         (call_value_pop_1, call_value_1): Likewise.
7491         (sibcall_value_1, call_value_1_rex64): Likewise.
7492
7493 2004-08-13  James E Wilson  <wilson@specifixinc.com>
7494
7495         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
7496         Correct mode from SFmode to DFmode.
7497
7498 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
7499
7500         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
7501         __cstring_object and __image_info sections with the no_dead_strip
7502         attribute.
7503
7504 2004-08-13  Roger Sayle  <roger@eyesopen.com>
7505             David Billinghurst  <David.Billinghurst@riotinto.com>
7506
7507         PR libgfortran/15930
7508         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
7509         * fixinc/fixincl.x: Regenerate.
7510         * fixinc/tests/base/internal/math_core.h: New file.
7511
7512 2004-08-13  Richard Henderson  <rth@redhat.com>
7513
7514         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
7515         (dbxout_function_end): Remove ifdefs for it.
7516         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
7517
7518 2004-08-13  Richard Henderson  <rth@redhat.com>
7519
7520         * Makefile.in (insn-preds.o): Depend on TREE_H.
7521         * genpreds.c (write_insn_preds_c): Include tree.h.
7522         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
7523         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
7524         const48_operand, and_operand, or_operand, mode_width_operand,
7525         mode_mask_operand, mul8_operand, const0_operand,
7526         hard_fp_register_operand, hard_int_register_operand,
7527         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
7528         samegp_function_operand, direct_call_operand, small_symbolic_operand,
7529         global_symbolic_operand, call_operand, symbolic_operand,
7530         dtp16_symbolic_operand, dtp32_symbolic_operand,
7531         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
7532         gottp_symbolic_operand, alpha_comparison_operator,
7533         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
7534         signed_comparison_operator, alpha_fp_comparison_operator,
7535         divmod_operator, fix_operator, aligned_memory_operand,
7536         unaligned_memory_operand, reg_or_unaligned_mem_operand,
7537         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
7538         reg_no_subreg_operand, addition_operation): Move to predicates.md.
7539         (reg_or_const_int_operand): Remove.  Replace all users with
7540         reg_or_cint_operand.
7541         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
7542         (resolve_reload_operand): Split out of aligned_memory_operand.
7543         * config/alpha/alpha-protos.h: Update for exports.
7544         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
7545         * config/alpha/alpha.md: Include predicates.md.
7546         * config/alpha/predicates.md: New file.
7547
7548 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
7549
7550         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
7551         fields with a pointer to the instruction definition.
7552         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
7553         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
7554         (write_attr_case, write_const_num_delay_slots): Update accordingly.
7555         (write_attr_case, write_const_num_delay_slots): Write the name of
7556         an insn next to its case statement.
7557         * genoutput.c (data): Add a filename field.
7558         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
7559         (output_insn_data): Print the location of each insn definition.
7560         * genrecog.c (write_action): Print the name of an insn above
7561         the statement that returns its code.
7562
7563 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
7564
7565         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
7566         * config/libgloss.h: Likewise.
7567         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
7568         * c4x/c4x-modes.def: Likewise.
7569         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
7570         (c4x_rptb_nop_p): Likewise.
7571         (c4x_rptb_valid_p): Likewise.
7572         (c4x_rptb_insert): Likewise.
7573         (c4x_address_conflict): Likewise.
7574         * config/c4x/c4x.md: Likewise.
7575         * config/frv/frv.md: Likewise.
7576         * config/i386/athlon.md: Likewise.
7577         * config/i386/i386.md: Likewise.
7578         * config/i386/predicates.md: Likewise.
7579         * config/ia64/ia64.c: Likewise.
7580         * config/ia64/itanium1.md: Likewise.
7581         * config/ia64/itanium2.md: Likewise.
7582         * config/iq2000/iq2000.md: Likewise.
7583         * config/mcore/mcore.c: Likewise.
7584         * config/mips/mips.c: Likewise.
7585         * config/mips/r3900.h: Likewise.
7586         * config/mips/sb1.md: Likewise.
7587         * config/pa/milli64.S: Likewise.
7588         * config/pa/pa.c: Likewise.
7589         * config/pa/pa.h: Likewise.
7590         * config/rs6000/8540.md: Likewise.
7591
7592 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
7593
7594         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
7595
7596 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
7597
7598         * sh.md (cbranch define_delay) Use cond_delay_slot for
7599         non-anulled condition too.
7600
7601 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
7602
7603         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
7604         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
7605         any_parallel_operand, lmw_operation, stmw_operation,
7606         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
7607         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
7608         any_parallel_operand.
7609         (return_and_restore_fpregs_{si,di}): Same.
7610
7611 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
7612
7613         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
7614         if pred->singleton != PARALLEL, issue a warning and pretend it was.
7615         Also issue a warning for any predicate we don't know about.
7616
7617 2004-08-12  Richard Henderson  <rth@redhat.com>
7618
7619         * config/i386/i386.c (internal_label_prefix): Export.
7620         (internal_label_prefix_len, struct ix86_address,
7621         ix86_decompose_address, maybe_get_pool_constant,
7622         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
7623         memory_address_length): Export.
7624         (any_fp_register_operand, fp_register_operand,
7625         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
7626         x86_64_general_operand, x86_64_szext_general_operand,
7627         x86_64_nonmemory_operand, x86_64_movabs_operand,
7628         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
7629         x86_64_zext_immediate_operand, const_int_1_31_operand,
7630         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
7631         tls_symbolic_operand, global_dynamic_symbolic_operand,
7632         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
7633         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
7634         constant_call_address_operand, const0_operand, const1_operand,
7635         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
7636         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
7637         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
7638         general_no_elim_operand, nonmemory_no_elim_operand,
7639         index_register_operand, q_regs_operand, flags_reg_operand,
7640         non_q_regs_operand, zero_extended_scalar_load_operand,
7641         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
7642         ix86_comparison_operator, ix86_carry_flag_operator,
7643         fcmov_comparison_operator, promotable_binary_operator,
7644         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
7645         mult_operator, div_operator, arith_or_logical_operator,
7646         memory_displacement_operand, cmpsi_operand, long_memory_operand,
7647         aligned_operand): Move to predicates.md as define_predicates.
7648         (tls_symbolic_operand_1): Remove.
7649         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
7650         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
7651         (legitimize_address): Merge tls_symbolic_operand contents.
7652         (ix86_expand_move): Likewise.
7653         * config/i386/i386-protos.h: Update for exports.
7654         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
7655         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
7656         * config/i386/i386.md: Include predicates.md.
7657         * config/i386/predicates.md: New file.
7658
7659 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
7660
7661         PR c++/16924
7662         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
7663         SYMBOL_REF_DECL.
7664         (i386_pe_mark_dllimport): Likewise.
7665         (i386_pe_encode_section_info): Likewise, when overriding
7666         dllimport attribute.
7667
7668 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
7669
7670         * configure.ac: When testing for flex, nm, ar, and bison, check
7671         that they will actually be built.
7672         * configure: Regenerate.
7673
7674 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
7675
7676         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
7677         (MOVE_MAX_PIECES): Define.
7678
7679 2004-08-12  Devang patel  <dpatel@apple.com>
7680
7681         * dbxout.c (dbxout_begin_prologue): New function.
7682         (dbx_debug_hooks): Use new begin prologue hook.
7683         (dbxout_function_end): Emit N_ENSYM.
7684         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
7685
7686 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
7687
7688         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
7689         argument is float*.
7690
7691         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
7692         for vec_dss.
7693
7694         * doc/extend.texi (AltiVec builtins): Fix description for recent
7695         changes.  Update operation list to match current support.
7696
7697 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
7698
7699         * config/s390/s390.c (struct s390_frame_layout): New struct as element
7700         of struct machine_function.
7701         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
7702         changed all uses.
7703         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
7704         changed all uses.
7705         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
7706         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
7707         (s390_frame_area, s390_register_info): New functions.
7708         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
7709         for base register.
7710         (s390_return_addr_rtx, s390_return_address_offset)
7711         (s390_va_start, s390_gimplify_va_arg)
7712         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
7713         layouts.
7714         (s390_frame_info): Functionality partly moved to s390_register_info.
7715         Made adaptions for new stack layout.
7716         (save_gprs, restore_gprs): Changed meaning of second parameter and
7717         adapted all callers.
7718
7719         * config/s390/s390.h (s390_backchain_string): New global variable.
7720         (MASK_BACKCHAIN): Removed definition.
7721         (TARGET_BACKCHAIN): Changed check.
7722         (TARGET_KERNEL_BACKCHAIN): New macro.
7723         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
7724         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
7725         "kernel-backchain".
7726         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
7727
7728         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
7729         as condition.  Adjusted for new stack layout.
7730
7731         * doc/invoke.texi: Added documentation for new option
7732         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
7733         "-mno-backchain".
7734
7735 2004-08-12  Paul Brook  <paul@codesourcery.com>
7736
7737         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
7738         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
7739
7740 2004-08-12  David Daney  <ddaney@avtrex.com>
7741
7742         * java/gcj.texi:  Add subsection on signal usage.
7743
7744 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
7745
7746         * expr.c (move_by_pieces): Set alignment for move to minimum of
7747         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
7748         alignment, but not less than the original alignment.
7749         (move_by_pieces_ninsns): Same.
7750         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
7751         (store_by_pieces_1): Same.
7752
7753 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
7754
7755         PR tree-optimization/16867
7756         * tree.c (is_global_var): New function.
7757         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
7758         Call is_global_var.
7759         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
7760         Update all users.
7761         (is_global_var): Declare.
7762         * tree-dfa.c (dump_variable): Display global and addressable
7763         attributes.
7764         (add_referenced_var): Clarify documentation when marking
7765         variables call-clobbered.
7766         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
7767         instead of needs_to_live_in_memory.
7768         (mark_call_clobbered): If the variable is a tag, mark it
7769         DECL_EXTERNAL.
7770         * tree-gimple.c (is_gimple_reg): Don't check for
7771         TREE_ADDRESSABLE.
7772         (is_gimple_non_addressable): Likewise.
7773         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
7774         needs to be marked call-clobbered.
7775         (setup_pointers_and_addressables): Call is_global_var instead
7776         of needs_to_live_in_memory.
7777         * tree-ssa-dce.c (need_to_preserve_store): Remove.
7778         Update all users with is_global_var.
7779         (mark_stmt_if_obviously_necessary): Fix processing of aliased
7780         stores.  Don't check the virtual definitions.  Rather, check
7781         whether the store is going into global memory.
7782         (find_obviously_necessary_stmts): Get the symbol from the PHI
7783         result.
7784         * tree-ssa-operands.c (get_call_expr_operands): Do not add
7785         clobbering may-defs if the call does not have side effects.
7786
7787 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
7788
7789         PR c++/16276
7790         * output.h (default_function_rodata_section,
7791         default_no_function_rodata_section): New prototypes.
7792         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
7793         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
7794         (TARGET_ASM_OUT): Add it.
7795         * varasm.c (default_function_rodata_section,
7796         default_no_function_rodata_section): New functions.
7797         * final.c (final_scan_insn): Call
7798         targetm.asm_out.function_rodata_section instead of
7799         readonly_data_section.
7800         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
7801         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7802         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7803         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
7804         Likewise.
7805         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7806         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
7807         Likewise.
7808         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
7809         Likewise.
7810         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7811         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
7812         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
7813
7814 2004-08-12  Paul Brook  <paul@codesourcery.com>
7815
7816         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
7817         frame info.
7818         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
7819         DWARF2_UNWIND_INFO.
7820
7821 2004-08-12  Ben Elliston  <bje@au.ibm.com>
7822
7823         PR target/16286
7824         * config/rs6000/altivec.h: Change vector to __vector throughout.
7825         (Except for the `vector' macro itself).
7826
7827 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
7828
7829         * genpreds.c: Add capability to generate predicate bodies as
7830         well as function prototypes.  Write function prototypes for
7831         the generic predicates too.
7832         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
7833         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
7834         (write_match_code, write_predicate_expr, write_one_predicate_function)
7835         (parse_option): New functions.
7836         (output_predicate_decls): Delete.
7837         (main): Read the machine description, process DEFINE_PREDICATE or
7838         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
7839         as appropriate.
7840
7841         * genrecog.c (struct decision_test): Replace index with
7842         struct pred_data pointer.
7843         (next_index): Remove, unused.
7844         (pred_table, preds, special_mode_pred_table): Delete.
7845         (compute_predicate_codes, process_define_predicate): New functions.
7846         (validate_pattern, add_to_sequence, write_switch): Update for
7847         new data structures.
7848         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
7849         Check both error_count and have_error.
7850
7851         * gensupport.c (in_fname, first_predicate): New globals.
7852         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
7853         (predicate_table, last_predicate, old_pred_table)
7854         (old_special_pred_table): New statics.
7855         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
7856         (add_predicate, init_predicate_table): New functions.
7857         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
7858         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
7859         it or max_include_len.  Call init_predicate_table.
7860         (read_rtx): Run the predicate queue after the attribute queue
7861         but before all the others.
7862         * gensupport.h (in_fname, struct pred_data, first_predicate)
7863         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
7864         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
7865         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
7866         * dummy-conditions.c: Don't include bconfig.h, system.h,
7867         coretypes.h, tm.h, or system.h.  Do include stddef.h.
7868         Duplicate declaration of struct c_test from gensupport.h.
7869
7870         * Makefile.in (OBJS-common): Add insn-preds.o.
7871         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
7872         (insn-preds.c, insn-preds.o): New rules.
7873         (s-preds): Also generate insn-preds.c.
7874         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
7875         Update dependencies.
7876         (print-rtl.o, print-rtl1.o): Correct dependencies.
7877
7878         * recog.h: Delete prototypes of predicate functions.
7879
7880         * doc/md.texi (Predicates): New section with complete
7881         documentation of operand/operator predicates.  Remove some
7882         incomplete documentation of predicates from other places.
7883         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
7884         PREDICATE_CODES; indicate that both are deprecated in favor
7885         of define_predicate/define_special_predicate.
7886
7887         * config/ia64/ia64.c: All predicate function definitions moved
7888         to ia64.md, except
7889         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
7890         (ia64_expand_load_address, ia64_expand_move):
7891         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
7892
7893         * config/ia64/ia64.md: All predicates now defined here.
7894         (symbolic_operand): Is now a special predicate.
7895
7896         * config/ia64/ia64.h: Declare ia64_section_threshold.
7897         (PREDICATE_CODES): Delete.
7898
7899 2004-08-12  Richard Henderson  <rth@redhat.com>
7900
7901         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
7902         * c-semantics.c (add_stmt): Set it.
7903         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
7904         before instantiating a variable sized type.
7905
7906 2004-08-12  Richard Henderson  <rth@redhat.com>
7907
7908         * stor-layout.c (round_up, round_down): Move ...
7909         * fold-const.c (round_up, round_down): ... here.  Use
7910         multiple_of_p to avoid any arithmetic at all.
7911
7912 2004-08-12  Richard Henderson  <rth@redhat.com>
7913
7914         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
7915         (gimplify_init_ctor_preeval_1): New.
7916         (gimplify_init_ctor_preeval): New.
7917         (gimplify_init_ctor_eval): New.
7918         (gimplify_init_constructor): Use them.  Always gimplify the LHS
7919         object first.
7920
7921 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
7922
7923         (This patch is part of merge of objc-improvements-branch
7924         into mainline.)
7925
7926         * doc/frontends.texi: Mention Objective-C++ in addition to
7927         Objective-C.
7928         * doc/install.texi: Add 'obj-c++' to list of configurable
7929         languages.
7930         * doc/invoke.texi: Rename Objective-C option headings to
7931         indicate they also apply to Objective-C++.  List file
7932         extensions for Objective-C++ sources.  Mention that
7933         ObjC and ObjC++ compilations may also use C and C++ options,
7934         respectively.  Point users to doc/standards.texi for
7935         further info on ObjC and ObjC++.
7936         * doc/sourcebuild.texi: Mention the objcp/ directory and
7937         the Objective-C++ sources it contains.
7938         * doc/standards.texi: Update link to Apple ObjC site;
7939         add link to gcc readings.html WWW doc.
7940
7941 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
7942
7943         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
7944         and 2004-07-14 changes.
7945
7946 2004-08-12  Paul Brook  <paul@codesourcery.com>
7947
7948         * doc/invoke.texi: Fix typo.
7949
7950 2004-08-11 Devang Patel  <dpatel@apple.com>
7951
7952         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
7953         and -no_dead_strip_inits_and_terms.
7954         (LINK_SPEC): Same.
7955         * doc/invoke.texi (Darwin Options): Document -dead_strip and
7956         -no_dead_strip_inits_and_terms.
7957
7958 2004-08-11  Paul Brook  <paul@codesourcery.com>
7959
7960         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
7961         (arm_load_pic_register): ... to this.
7962         * config/arm/arm.c (arm_finalize_pic): Rename ...
7963         (arm_load_pic_register): ... to this.  Always output insns at the
7964         current location.  Load via low reg in thumb mode.
7965         (arm_expand_prologue): Call arm_load_pic_register.
7966         (thumb_expand_prologue): Ditto.
7967         * config/arm/arm.h (FINALIZE_PIC): Remove.
7968         * config/arm/arm.md (builtin_setjmp_receiver): Call
7969         arm_load_pic_register.
7970
7971 2004-08-11  Paul Brook  <paul@codesourcery.com>
7972
7973         * arm.c (thumb_force_lr_save): Add prototype.
7974         (thumb_compute_save_reg_mask): New function.
7975         (thumb_find_work_register): New function.
7976         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
7977         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
7978         Don't clobber r3 when removing pretend args.
7979         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
7980         (thumb_output_function_prologue): Use new functions.
7981         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
7982         * arm.h (THUMB_REG_PUSHED_P): Remove.
7983
7984 2004-08-11  James E Wilson  <wilson@specifixinc.com>
7985
7986         PR rtl-optimization/16490
7987         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
7988         global_live_at_end for new basic block if already set for other blocks.
7989
7990 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
7991
7992         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
7993
7994         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
7995         (mfcr rlwinm rlwinm patterns): Set length to 12.
7996
7997 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
7998
7999         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
8000         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
8001         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
8002         (start_ssa_stmt_operands): Delete.
8003         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
8004         struct stmt_operands_d.
8005         (build_ssa_operands): New extern entry point.
8006         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
8007         building code, replace with create_ssa_artficial_load_stmt().
8008         * tree-ssa-operands.c (struct voperands_d): Delete.
8009         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
8010         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
8011         (free_uses, free_defs, free_vuses, free_v_may_defs,
8012         free_v_must_defs): Remove dealloc parameter.
8013         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
8014         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
8015         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
8016         vector comparisons, ssa_name reuse, and allocations here.
8017         (verify_start_operands): Delete.
8018         (finalize_ssa_stmt_operands): Set new operands by calling finalize
8019         routines.
8020         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
8021         (append_def, append_usei): Simplify to simple accumulation.
8022         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
8023         duplicates and simple accumulation.
8024         (free_ssa_operands): Free vectors in a stmt_operand structure.
8025         (build_ssa_operands): New. Create a new stmt_operand structure from
8026         a stmt and an old set of stmt_operands.
8027         (get_stmt_operands): Simplify and call build_ssa_operands.
8028         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
8029         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
8030         add_call_read_ops): Don't pass prev_vops around anymore.
8031         (note_addressable): Return if no stmt annotation.
8032         (copy_virtual_operands): Access v_may_def operands through a struct.
8033         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
8034         hash tables without treating the stmt as a real stmt.
8035         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
8036         v_may_def def and use through a struct instead of 2 array elements.
8037         (struct v_may_def_optype_d): Use v_may_def_operand_type.
8038         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
8039
8040 2004-08-11  Nick Clifton  <nickc@redhat.com>
8041
8042         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
8043         this funciton's behaviour.  Return true when the current function
8044         has a section attribute and -mlong-calls is in effect.
8045         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
8046         short-call marker when -mlong-calls is in effect and the function
8047         has a section attribute.
8048
8049 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
8050
8051         * stmt.c (expand_return): If asked to return the RESULT_DECL,
8052         just call expand_value_return on result_rtl.
8053
8054 2004-08-10  Richard Henderson  <rth@redhat.com>
8055
8056         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
8057         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
8058         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
8059         (add_location_or_const_value_attribute): ... not here.  Use
8060         loc_descriptor_from_tree if possible.
8061         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
8062         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
8063         values specially.
8064         (loc_descriptor_from_tree): New.  Update callers.
8065         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
8066         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
8067         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
8068         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
8069         and BUILT_IN_STACK_RESTORE.
8070         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
8071         * stmt.c (expand_stack_alloc): Remove.
8072         * tree-mudflap.c (mx_register_decls): Don't look for
8073         BUILT_IN_STACK_ALLOC.
8074         * tree-nested.c (convert_local_reference): Likewise.
8075         * tree.h (DECL_VALUE_EXPR): New.
8076
8077 2004-08-10  Richard Henderson  <rth@redhat.com>
8078
8079         * stor-layout.c (round_up): Check for 0/1 before dividing.
8080         (round_down): Likewise.
8081
8082         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
8083
8084 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
8085
8086         * config.gcc (arm*-*-eabi*): New target.
8087         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
8088         (TARGET_LIB_INT_CMP_BIASED): Likewise.
8089         * expmed.c (expand_divmod): Try a two-valued divmod function as a
8090         last resort.
8091         * gthr.h: Remove bogus tokens at end of #pragma.
8092         * optabs.c (expand_twoval_binop_libfunc): New function.
8093         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
8094         (prepare_float_lib_cmp): Try reversing the condition.
8095         (debug_optab_libfuncs): New function.
8096         * optabs.h (expand_twoval_binop_libfunc): Declare.
8097         * config/arm/arm.c (arm_init_libfuncs): New function.
8098         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
8099         (TARGET_INIT_LIBFUNCS): Define it.
8100         * config/arm/arm.h (TARGET_BPABI): New macro.
8101         * config/arm/arm-protos.h
8102         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
8103         * config/arm/bpabi.S: New file.
8104         * config/arm/bpabi.c: Likewise.
8105         * config/arm/bpabi.h: Likewise.
8106         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
8107         (__aeabi_drsub): Likewise.
8108         (__aeabi_dsub): Likewise.
8109         (__aeabi_dadd): Likewise.
8110         (__aeabi_ui2d): Likewise.
8111         (__aeabi_i2d): Likewise.
8112         (__aeabi_f2d): Likewise.
8113         (__aeabi_dmul): Likewise.
8114         (__aeabi_ddiv): Likewise.
8115         (__aeabi_cdrcmple): Likewise.
8116         (__aeabi_cdcmpeq): Likewise.
8117         (__aeabi_cdcmple): Likewise.
8118         (__aeabi_dcmpeq): Likewise.
8119         (__aeabi_dcmplt): Likewise.
8120         (__aeabi_dcmple): Likewise.
8121         (__aeabi_dcmpge): Likewise.
8122         (__aeabi_dcmpgt): Likewise.
8123         (__aeabi_dcmpun): Likewise.
8124         (__aeabi_d2iz): Likewise.
8125         (__aeabi_d2uiz): Likewise.
8126         (__aeabi_d2f): Likewise.
8127         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
8128         (__aeabi_frsub): Likewise.
8129         (__aeabi_fsub): Likewise.
8130         (__aeabi_fadd): Likewise.
8131         (__aeabi_ui2f): Likewise.
8132         (__aeabi_i2f): Likewise.
8133         (__aeabi_fmul): Likewise.
8134         (__aeabi_fdiv): Likewise.
8135         (__aeabi_cfrcmple): Likewise.
8136         (__aeabi_cfcmpeq): Likewise.
8137         (__aeabi_cfcmple): Likewise.
8138         (__aeabi_fcmpeq): Likewise.
8139         (__aeabi_fcmplt): Likewise.
8140         (__aeabi_fcmple): Likewise.
8141         (__aeabi_fcmpge): Likewise.
8142         (__aeabi_fcmpgt): Likewise.
8143         (__aeabi_fcmpun): Likewise.
8144         (__aeabi_f2iz): Likewise.
8145         (__aeabi_f2uiz): Likewise.
8146         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
8147         (__aeabi_uidivmod): New function or alias.
8148         (__aeabi_idivmod): Likewise.
8149         (__aeabi_idiv0): Likewise.
8150         (__aeabi_ldiv0): Likewise.
8151         (__aeabi_llsr): Likewise.
8152         (__aeabi_lasr): Likewise.
8153         (__aeabi_llsl): Likewise.
8154         (bpabi.S): Include it.
8155         * config/arm/libgcc-bpabi.ver: New file.
8156         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
8157         (LINK_SPEC): Remove.
8158         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
8159         __aeabi_ulcmp.
8160         * config/arm/t-bpabi: New file.
8161         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
8162         (TARGET_LIB_INT_CMP_BIASED): Likewise.
8163
8164 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
8165
8166         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
8167         * config/rs6000/rs6000.md (clrmemsi): New pattern.
8168         * config/rs6000/rs6000.c (expand_block_clear): New function.
8169         (expand_block_move): Convert alignment to bits.  Use SImode and
8170         HImode for unaligned addresses if not STRICT_ALIGNMENT.
8171
8172 2004-08-10  Caroline Tice  <ctice@apple.com>
8173
8174         * varasm.c (unlikely_section_label): New global variable.
8175         (unlikely_text_section_name): New global variable.
8176         (text_section):  Remove alignment statement.
8177         (unlikely_text_section): Remove alignment statement; use
8178         unlikely_section_label rather than hard-coded string.
8179         (assemble_start_function): Initialize unlikely_section_label and
8180         unlikely_text_section_name;  make sure cold section is properly
8181         aligned at start of function; output unlikely_section_label if
8182         appropriate.
8183
8184 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
8185
8186         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
8187         * config/s390/s390.c (s390_canonicalize_comparison): New function.
8188         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
8189         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
8190         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
8191         ("*tmqi_mem"): Remove SUBREG from pattern.
8192         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
8193         ("*andsi3_cconly"): Likewise.
8194
8195 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8196
8197         PR target/16909
8198         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
8199
8200 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
8201
8202         * doc/sourcebuild.texi (compat testing): Document available test
8203         framework commands.  Use the preferred spelling of DejaGnu.
8204
8205 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
8206
8207         * lambda.h: Add matrix type, and prototypes for remainder of
8208         matrix and vector functions.
8209         (lambda_vector_mult_const): New function.
8210         (lambda_vector_negate): Ditto.
8211         (lambda_vector_add): Ditto.
8212         (lambda_vector_add_mc): Ditto.
8213         (lambda_vector_copy): Ditto.
8214         (lambda_vector_zerop): Ditto.
8215         (lambda_vector_equal): Ditto.
8216         (lambda_vector_min_nz): Ditto.
8217         (lambda_vector_first_nz): Ditto.
8218         (lambda_vector_matrix_mult): Ditto.
8219         * lambda-mat.c: New file.
8220         * Makefile.in (lambda-mat.o): New.
8221
8222 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
8223
8224         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
8225         after linking stmt into the program.
8226         (bsi_remove): Don't call modify_stmt.
8227         * tree-complex.c (update_complex_assignment,
8228         expand_complex_comparison): Call modify_stmt after changing the stmt.
8229         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
8230         removing the stmt.
8231         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
8232         the stmt, and only if needed.
8233         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
8234         expression.
8235         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
8236         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
8237         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
8238         (eliminate_redundant_computations): Don't pass an annotation. Call
8239         modify_stmt rather than setting the annotation directly.
8240         (record_equivalences_from_stmt): Remove unused local 'j'.
8241         (cprop_operand): Take a stmt rather than an annotation as a parameter.
8242         Call modify_stmt.
8243         (cprop_into_stmt): Pass stmt rather than annotation.
8244         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
8245         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
8246         modify_stmt.
8247         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
8248
8249 2004-08-10  Jason Merrill  <jason@redhat.com>
8250
8251         PR middle-end/16948
8252         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
8253         the RESULT_DECL.
8254
8255 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
8256
8257         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
8258         hash function.
8259
8260 2004-08-10  Roger Sayle  <roger@eyesopen.com>
8261
8262         * config/mips/mips.md: New reciprocal square root patterns that
8263         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
8264
8265 2004-08-10  Paul Brook  <paul@codesourcery.com>
8266
8267         * config/arm/arm-protos.h (arm_set_return_address,
8268         thumb_set_return_address): Add prototypes.
8269         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
8270         * config/arm/arm.c (arm_compute_func_type,
8271         use_return_insn, arm_compute_save_reg0_reg12_mask,
8272         arm_compute_save_reg_mask, arm_output_function_prologue,
8273         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
8274         current_function_calls_eh_return.
8275         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
8276         old eh code.
8277         (arm_set_return_address, thumb_set_return_address): New functions.
8278         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
8279         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
8280         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
8281         (epilogue): Use the stackadj register.
8282         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
8283
8284 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
8285
8286         PR target/3144
8287         * expr.c (move_by_pieces_ninsns): Add max_size argument.
8288         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
8289         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
8290         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
8291         but using MOVE_RATIO.
8292         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
8293         (can_store_by_pieces): Change max_size type to unsigned int.
8294         (store_by_pieces_1): Likewise.  Pass max_size to
8295         move_by_pieces_ninsns.
8296         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
8297         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
8298         to move_by_pieces_ninsns.
8299         (STORE_BY_PIECES_P): Define.
8300         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
8301         to move_by_pieces_ninsns.
8302         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
8303
8304         * config/i386/i386.h (CLEAR_RATIO): Define.
8305
8306 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8307
8308         * expr.c (expand_expr_real_1): Add back code that was not dead.
8309
8310 2004-08-09  Andrew Pinski  <apinski@apple.com>
8311
8312         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
8313         which is found to be compatible before returning the aliasing set.
8314
8315 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
8316
8317         * ggc-zone.c (struct alloc_zone): Add statistics counters.
8318         (always_collect): New flag.
8319         (ggc_alloc_zone_1): Update statistics support.  Don't include
8320         overhead in allocated counter.
8321         (sweep_pages): Update allocated counter for large pages.  Don'y
8322         include overhead.
8323         (ggc_collect_1): Always collect.
8324         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
8325         whether to collect.
8326         (SCALE, LABEL): New macros.
8327         (ggc_print_statistics): Add statistics support.
8328
8329 2004-08-09  Roger Sayle  <roger@eyesopen.com>
8330
8331         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
8332         (init_expmed): Fix potential overrun problem with "all.reg".
8333         (expand_sdiv2_pow2): Add an alternate implementation for signed
8334         division, if the target provides a suitable conditional move insn.
8335
8336 2004-08-09  Paul Brook  <paul@codesourcery.com>
8337         Richard Henderson  <rth@redhat.com>
8338
8339         * unwind-dw2.c (uw_install_context_1): Update target saved stack
8340         pointer.
8341
8342 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
8343
8344         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
8345         Check DATA limit only if there's no AS limit.  Ignore insanely
8346         low DATA limits.
8347         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
8348         but take care that the AS limit isn't overrun.
8349         * doc/invoke.texi: Update documentation of min-heapsize parameter.
8350
8351 2004-08-09  Jeff Law  <law@redhat.com>
8352
8353         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
8354         (tree-ssa-threadupdate.o): Add dependencies.
8355         * tree-ssa-threadupdate.c: New file.
8356         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
8357         (rewrite_vars_out_of_ssa): Remove prototype.
8358         (cleanup_tree_cfg): Returns a bool.
8359         * tree.h (thread_through_all_blocks): Prototype.
8360         * tree-outof-ssa.c  (SSANORM_*): Move into here.
8361         (remove_ssa_form): Now static.
8362         (rewrite_vars_out_of_ssa): Kill.
8363         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
8364         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
8365         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
8366         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
8367         anything was changed.
8368         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
8369         from the PHI's annotation rather than the edge associated with
8370         the new argument.
8371         * tree-ssa-dom.c (redirection_edges): Kill.
8372         (redirect_edges_and_update_ssa_graph): Kill.
8373         (tree_ssa_dominator_optimize): Do not reset forwardable flag
8374         for blocks anymore.  Do not initialize redirection_edges.
8375         Call thread_through_all_blocks.  Simplify code for cleanup
8376         of the CFG and iterating.  No longer call cleanup_tree_cfg
8377         outside the iteration loop.
8378         (thread_across_edge): No longer mess with forwardable blocks.
8379
8380 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
8381
8382         * explow.c (memory_address): Use memory_address_p.
8383         * recog.c (general_operand): Likewise.
8384         * regrename.c: No need to define REG_OK_STRICT.
8385
8386 2004-08-09  Steven Bosscher  <stevenb@suse.de>
8387
8388         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
8389         New timers.
8390         * gcse.c: Include timevar.h.
8391         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
8392         and global_copy_prop_count.
8393         (local_const_prop_count, local_copy_prop_count): New static globals.
8394         (gcse_main): Set the right timevar for each pass.
8395         (cprop_jump): Increment global_const_prop_count when a constant is
8396         propagated.  Add "GLOBAL" to dump output.
8397         (cprop_insn): Increment global_const_prop_count when a constant is
8398         propagated, or global_copy_prop_count when a copy is propagated.
8399         (do_local_cprop): Likewise for local_const_prop_count and
8400         local_copy_prop_count.
8401         (one_cprop_pass): Initialize const/cprop counters to zero.
8402         Print out results of local and global const/cprop separately.
8403         (bypass_block): Break over-length line.
8404         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
8405         for bb-reorder.o and tracer.o.
8406
8407 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8408
8409         * Makefile.in (GTFILES): Remove stmt.c
8410         (stmt.o): Do not depend on gt-stmt.h.
8411         * emit-rtl.c (emit_line_note): Do not call
8412         set_file_and_line_for_stmt.
8413         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
8414         do everything.
8415         * function.c (free_after_parsing): Do not free STMT field.
8416         (allocate_struct_function): Do not call init_stmt_for_function.
8417         (assign_stack_temp_for_type): Do not accept values of keep
8418         other than 0 or 1.
8419         (init_temp_slots): Do not initialize removed variables.
8420         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
8421         and X_VAR_TEMP_SLOT_LEVEL fields.
8422         * rtl.h (set_file_and_line_for_stmt): Remove.
8423         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
8424         struct stmt_status, cond_stack, case_stack, nesting_stack,
8425         nesting_depth, emit_locus, set_file_and_line_for_stmt,
8426         same_case_target_p, init_stmt_for_function, emit_nop,
8427         expand_start_cond, expand_start_elseif, expand_start_else,
8428         expand_elseif, expand_end_cond): Remove.
8429         (preserve_subexpressions_p): Remove references to CFUN->STMT.
8430         (expand_start_case, expand_end_case_type): Remove, merge into...
8431         (expand_case): ... this one, including other bits from
8432         expand_expr_real_1.  Inline same_case_target_p.  Turn members
8433         of CASE_STACK into local variables.
8434         (emit_case_bit_tests): Inline same_case_target_p.
8435         (add_case_node): Add HEAD argument, return new head of the list,
8436         do not handle default label here.
8437         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
8438         expand_start_elseif, current_nesting_level, expand_start_case,
8439         expand_end_case_type, expand_end_case, add_case_node,
8440         init_stmt_for_function, expand_elseif): Remove prototypes.
8441         (expand_case): Add prototype.
8442
8443 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8444
8445         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
8446
8447 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8448
8449         * expr.c (var_rtx): Remove.
8450         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
8451         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
8452         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
8453         Abort.
8454         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
8455         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
8456         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
8457
8458 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
8459         Ayal Zaks <zaks@il.ibm.com>
8460
8461         * common.opt (freschedule-modulo-scheduled-loops): New flag.
8462         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
8463         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
8464         when -freschedule-modulo-scheduled-loops flag is not specified.
8465         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
8466         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
8467         More accurate placing of insn in row of partial schedule.
8468         (ps_insn_find_column): New function.
8469         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
8470         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
8471         (schedule_region): Use sched_is_disabled_for_current_region_p.
8472         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
8473
8474 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
8475
8476         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
8477         change.
8478
8479 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
8480
8481         * config/i386/i386.c (ix86_expand_clrmem): Properly call
8482         gen_strset for 64bit target.
8483
8484 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
8485
8486         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
8487
8488 2004-08-07  Jason Merrill  <jason@redhat.com>
8489
8490         Make return in memory explicit.
8491         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
8492         (assign_parm_find_data_types): Remove code for old front end
8493         invisible reference handling.
8494         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
8495         (expand_function_end): Likewise.
8496         * gimplify.c (gimplify_return_expr): Handle a dereferenced
8497         RESULT_DECL.
8498         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
8499         (declare_return_variable): Handle DECL_BY_REFERENCE.
8500         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
8501         (cp_genericize_r): Use convert_from_reference.
8502         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
8503         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
8504
8505         * c-common.c (c_warn_unused_result): Check TREE_USED before
8506         warning about a CALL_EXPR with an unused value.
8507
8508 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
8509
8510         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
8511         to the compiler.  Use -fshort-wchar by default.
8512
8513 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
8514
8515         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
8516         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
8517         threshhold.
8518         * doc/invoke.texi (param): Document min-crossjump-insns.
8519
8520 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
8521
8522         PR c/13282
8523         * c.opt (Wmissing-field-initializers): New option.
8524         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
8525         * c-typeck.c (pop_init_level): Guard the missing field warning with
8526         warn_missing_field_initializers rather than extra_warnings.
8527         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
8528         some of the explanation from...
8529         (-Wextra): ...here.  Say that the missing field warning can be
8530         seperately controlled by -Wmissing-field-initializers.
8531
8532 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
8533
8534         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
8535         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
8536         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
8537         * tree.def (ENTRY_VALUE_EXPR): Remove.
8538
8539 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
8540
8541         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
8542         the places where it is actually needed.  Don't use repz; stosb
8543         for -Os with sufficiently small constant sizes.
8544         For sufficiently small repz; stos{l,q} repeat counts use a sequence
8545         of stos{l,q} instructions instead.
8546
8547 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8548
8549         PR tree-optimization/16807
8550         * loop-iv.c (dump_iv_info): Dump invariants correctly.
8551         (iv_subreg, iv_extend): Express value of invariant purely in
8552         base field.
8553
8554 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
8555
8556         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
8557         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
8558
8559 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
8560
8561         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
8562         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
8563         pre_dec_operand.
8564         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
8565         pattern until reload is finished to allow better code generation
8566         and split them completely into separate instrunctions.
8567         (*andsi3_split): New pattern.
8568
8569 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
8570
8571         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
8572         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
8573         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8574         * tree.h (handle_dll_attribute): Declare.  Test
8575         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8576         * c-common.h (c_determine_visibility): Declare.
8577         * c-common.c (c_determine_visibility): New function.
8578         * c-decl.c (finish_decl): Use it.
8579         (finish_function): Likewise.
8580         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
8581         zero, by default.  Use #if, not #ifdef, to test it.
8582         * config/arm/arm.c (arm_attribute_table): Use
8583         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
8584         #if.
8585         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
8586         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8587         to 1.
8588         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
8589         * config/i386/i386.c (ix86_attribute_table): Use
8590         handle_dll_attribute for dllimport/dllexport.  Test
8591         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8592         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
8593         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8594         it to 1.
8595         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
8596         with #if.
8597         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8598         it to 1.
8599         * doc/extend.texi (dllexport): Clarify and correct documentation.
8600         (dllimport): Likewise.
8601         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
8602         handle_dll_attribute.
8603
8604 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8605
8606         * tree-ssa-loop-manip.c: New file.
8607         * Makefile.in (tree-ssa-loop-manip.o): Add.
8608         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
8609         Declare.
8610         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
8611         form.
8612         (tree_ssa_loop_done): Verify loop closed ssa form.
8613         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
8614
8615 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8616
8617         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
8618         pa_asm_output_aligned_local): New functions.
8619         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
8620         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
8621         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
8622         pa_asm_output_aligned_common.
8623         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8624         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
8625         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
8626         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8627         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
8628         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
8629         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8630         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
8631         common data.
8632
8633 2004-08-05  Andrew Pinski  <apinski@apple.com>
8634
8635         * objc/objc-act.c (build_objc_string_object): Mark the address
8636         expression as constant.
8637
8638 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
8639
8640         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
8641         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
8642         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
8643
8644 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8645
8646         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
8647         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
8648         out, and associated obsolete comments.
8649
8650 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
8651
8652         * tree.h (force_fit_type): Return a tree, take three flags.
8653         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
8654         TREE_CONSTANT_OVERFLOW here.
8655         (int_const_binop, const_binop): Adjust.
8656         (size_int_type): Do sign extension here.
8657         (fold_convert_const, optimize_bit_field_compare,
8658         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
8659         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
8660         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
8661
8662 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8663
8664         PR tree-optimization/16864
8665         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
8666         for ssa names without default_def.
8667
8668 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
8669
8670         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
8671         frame pointer, restore eax with an ebp-relative address.
8672
8673 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
8674
8675         PR 14516
8676         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
8677         * c-common.h (make_rtl_for_local_static): Delete.
8678         * c-decl.c (shadow_tag_warned): Clean up comment.
8679         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
8680         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
8681         * c-semantics.c (make_rtl_for_local_static): Delete.
8682         * expr.c (init_block_move_fn): Use set_user_assembler_name.
8683         (init_block_clear_fn): Likewise.
8684         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
8685         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
8686         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
8687         * tree.h (make_decl_rtl): Remove second parameter.
8688         (set_user_assembler_name): New.
8689         * varasm.c (set_user_assembler_name): New.
8690         (make_decl_rtl): Remove second parameter.  Update callers in many
8691         files.
8692
8693 2004-08-05  Adam Nemet  <anemet@lnxw.com>
8694
8695         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
8696         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
8697         to LynxOS 4.0.
8698         * gthr-lynx.h: New file.
8699         * config/lynx-ng.h: Remove file.
8700         * config/lynx.h: Update to LynxOS 4.0.
8701         * config/t-lynx: New file.
8702         * config/i386/lynx-ng.h: Remove file.
8703         * config/i386/lynx.h: Update to LynxOS 4.0.
8704         * config/rs6000/lynxbase.h: Remove file.
8705         * config/rs6000/lynx.h: Update to LynxOS 4.0.
8706         * config/rs6000/t-lynx: New file.
8707         * doc/install.texi (Options specification): Remove reference to
8708         LynxOS from systems where --with-gnu-as makes a difference.
8709
8710 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8711
8712         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
8713         __UINTMAX_TYPE__.
8714         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
8715         __INTMAX_MAX__.
8716         (c_cpp_builtins): Call it.
8717         * doc/cpp.texi: Update.
8718
8719 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
8720
8721         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
8722         cost.
8723
8724 2004-08-04  Jan Hubicka  <jh@suse.cz>
8725
8726         * basic-block.h (profile_staus): New global variable.
8727         * cfg.c (profile_status): Declare.
8728         (check_bb_profile): Break out from ....; use profile_status
8729         (dump_flow_info): ... here.
8730         * cfgbuild.c (find_basic_blocks): Set profile_status.
8731         * cfgexpand.c (tree_expand_cfg): Likewise.
8732         * predict.c (estimate_probability): Likewise.
8733         * profile.c (branch_prob): Likewise.
8734         * tree-cfg.c (build_tree_cfg): Likewise.
8735         (dump_function_to_file): Use check_bb_profile.
8736         * tree-pretty-print (dump_bb_header): Likewise.
8737         * tree-profile.c (do_tree_profiling): Cleanup.
8738
8739 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
8740
8741         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
8742         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
8743         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
8744         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
8745         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
8746         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
8747         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
8748         (ggc-none.o, errors.o): Move rule to generators section;
8749         correct dependencies.
8750         (min-insn-modes.o): Move rule to generators section; remove
8751         unnecessary explicit command; correct dependencies.
8752         (print-rtl.o, print-rtl1.o): Correct dependencies.
8753         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
8754         (mostlyclean): Update.
8755
8756         * errors.c: Include bconfig.h not config.h.  Correct comment.
8757         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
8758         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
8759         * print-rtl.c: Don't include tm_p.h.
8760
8761         * rtl.h: Move forward-decl of struct function down where it's
8762         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
8763         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
8764
8765 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8766             Jeff Law  <law@redhat.com>
8767
8768         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
8769         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
8770         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
8771         manipulate the duplicated ssa names.
8772         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
8773         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
8774         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
8775         New functions.
8776         (release_ssa_name): Do not release ssa names that may have multiple
8777         definitions.
8778         * tree.h (release_ssa_name_force, mark_for_rewrite,
8779         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
8780         marked_ssa_names): Declare.
8781         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
8782         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
8783         Update call to rewrite_ssa_into_ssa.
8784
8785 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
8786
8787         * defaults.h (TARGET_DECLSPEC): New macro.
8788         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
8789         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
8790         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
8791         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
8792         __declspec support.
8793         (TARGET_DECLSPEC): Define.
8794         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
8795         __declspec support.
8796         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
8797         __declspec support.
8798         (TARGET_DECLSPEC): Define.
8799         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
8800         __declspec support.
8801         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
8802         support.
8803         * doc/tm.texi (TARGET_DECLSPEC): Document.
8804
8805         * doc/extend.texi: Fix typo in comment.
8806
8807 2004-08-04  Paul Brook  <paul@codesourcery.com>
8808
8809         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
8810         (TARGET_CXX): Use it.
8811         * target.h (struct gcc_target): Add cdtor_returns_this.
8812         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
8813         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
8814         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
8815
8816 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
8817
8818         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
8819         low/high pair. Do range checking directly.
8820         (interpret_integer): Adjust.
8821
8822 2004-08-04  Nick Clifton  <nickc@redhat.com>
8823
8824         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
8825         GCC ABI.
8826         * doc/invoke.texi: Document this new switch and also the -mrenesas
8827         switch.
8828
8829 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
8830
8831         * cfglayout.c (insn_locators_initialize): Update the current
8832         location before initializing a location.
8833
8834 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
8835
8836         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
8837         (dbxout_function_end): Return after emitting the "Lscope" symbol
8838         under the same conditions that this function formerly wasn't called.
8839         Add explanatory comments.
8840
8841         PR 14860
8842         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
8843         on the new decl.
8844
8845         PR 13956
8846         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
8847         functions, broken out of dbxout_block.
8848         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
8849         stabs too, if it contains symbols.  Use the begin_label and
8850         the Lscope label (emitted by dbxout_function_end) for the
8851         range of this block.
8852
8853 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
8854
8855         * doc/install.texi: Update autoconf version requirements.
8856
8857 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
8858
8859         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
8860         * recog.c (general_operand, immediate_operand, nonmemory_operand)
8861         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
8862         * regclass.c (record_reg_classes): Likewise.
8863         * reload.c (find_reloads): Likewise.
8864         * reload1.c (reload): Likewise.
8865
8866 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
8867
8868         * gensupport.c (init_md_reader_args_cb): Renamed from
8869         init_md_reader_args.  Add third option, callback function for
8870         parsing program-specific options.  Add diagnosis of incorrect
8871         number of input files.
8872         (init_md_reader): Fold into init_md_reader_args_cb.
8873         (init_md_reader_args): Now a thin wrapper around
8874         init_md_reader_args_cb.
8875         * gensupport.h: Update prototypes.
8876
8877         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8878         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8879         * genrecog.c: No need to diagnose lack of an input file;
8880         init_md_reader_args will handle it.
8881         * genconditions.c: Likewise, and use init_md_reader_args.
8882         * genconstants.c: Likewise, and no need to call read_md_rtx.
8883
8884 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
8885
8886         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
8887         declarations.
8888
8889 2004-08-03  Mike Stump  <mrs@apple.com>
8890
8891         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
8892         for frameworks.
8893         * doc/invoke.texi (Darwin Options): Update to reflect above.
8894
8895 2004-08-03  Roger Sayle  <roger@eyesopen.com>
8896
8897         PR middle-end/16790
8898         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
8899         truncations, not just global truncations.
8900
8901 2004-08-03  Andrew Pinski  <apinski@apple.com>
8902
8903         PR bootstrap/16865
8904         * loop-iv.c (simplify_using_assignment): Initialize lhs.
8905
8906 2004-08-03  Paul Brook  <paul@codesourcery.com>
8907
8908         * gcc/doc/install.texi: Document MPFR requirement.
8909
8910 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
8911
8912         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
8913         and mmap() explicitly instead of relying on preset autoconf cache
8914         variables.
8915         * configure: Regenerate.
8916
8917 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
8918
8919         PR target/16570
8920         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
8921         to tmake_file.
8922         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
8923         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
8924         to tmake_file.
8925
8926         * config/i386/t-gmm_malloc: New file.
8927         * config/i386/t-pmm_malloc: Likewise.
8928
8929         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
8930
8931 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
8932             Tanguy Fautrà <tfautre@pandora.be>
8933
8934         * config/i386/pmm_malloc.h: New file.
8935
8936 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
8937
8938         * config/i386/gmm_malloc.h: New file.
8939
8940 2004-08-03  Dale Johannesen  <dalej@apple.com>
8941
8942         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
8943         * c-common.c: Include opts.h.
8944         (c_common_get_alias_set): Fix check for a single input file.
8945         * toplev.c: Remove current_file_decl.
8946         * tree.h: Ditto.
8947
8948 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
8949
8950         * config.gcc (arm*-*-symbianelf*): New target.
8951         * config/arm/symbian.h: New file.
8952
8953         * gthr-gnat.c: Add visibility #pragmas.
8954         * gthr-gnat.h : Likewise.
8955         * gthr.h: Likewise.
8956         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
8957         (__ffsDI2): Likewise.
8958         (__clzSI2): Likewise.
8959         (__ctzSI2): Likewise.
8960         (__ctzDI2): Likewise.
8961         (__popcountSI2): Likewise.
8962         (__popcountDI2): Likewise.
8963         (__paritySI2): Likewise.
8964         (__parityDI2): Likewise.
8965         * libgcc2.h: Add visibility #pragmas.
8966         (__clzDI2): Add prototype.
8967         (__clzSI2): Likewise.
8968         (__ctzSI2): Likewise.
8969         (__ffsDI2): Likewise.
8970         (__ffsSI2): Likewise.
8971         (__ctzDI2): Likewise.
8972         (__popcountSI2): Likewise.
8973         (__popcountDI2): Likewise.
8974         (__paritySI2): Likewise.
8975         (__parityDI2): Likewise.
8976         * unwind-dw2-fde.h: Add visibility #pragmas.
8977         * unwind.h: Likewise.
8978
8979 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
8980             Dale Johannesen  <dalej@apple.com>
8981             Roger Sayle  <roger@eyesopen.com>
8982
8983         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
8984         constants more accurately.  Adjust costs for FMA instructions.
8985         Add cases for most logical and float operations.  Recurse into
8986         most operands.
8987
8988 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
8989
8990         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
8991
8992 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
8993
8994         * ra-build.c (conflicts_between_webs): For webs that cross a call add
8995         conflicts to regs_invalidated_by_call.
8996
8997 2004-08-03  Paul Brook  <paul@codesourcery.com>
8998
8999         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
9000
9001 2004-08-03  Jan Hubicka  <jh@suse.cz>
9002
9003         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
9004         ARRAY_REF argument.
9005
9006 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
9007
9008         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
9009         arm968es, arm10e, arm1020e, arm1022e.
9010         * invoke.texi: Update list of ARM cores.
9011         * arm-tune.md: Regenerate.
9012
9013 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
9014
9015         * arm/gentune.sh: New file.
9016         * arm/t-arm: New file.
9017         * arm/arm-tune.md: New file (autogenerated).
9018         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
9019         * arm.md (attribute tune): Delete.  Include arm-tune.md.
9020
9021 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
9022
9023         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
9024         penultimate parameter.  All callers adjusted.
9025         (struct prefix_list): Remove used_flag_ptr.
9026         (find_a_file): Do not set *pl->used_flag_ptr.
9027         (warn_B, warn_std_ptr): Remove.
9028
9029 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
9030             Mostafa Hagog <mustafa@il.ibm.com>
9031
9032         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
9033
9034 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
9035
9036         * dwarf2out.c (output_call_frame_info): Don't change data format
9037         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
9038         label.  Use 'true' not '1'.
9039         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
9040         required.
9041
9042 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9043
9044         * gdbinit.in: Reflect previous changes to rtunion_def.
9045
9046 2004-08-02  Roger Sayle  <roger@eyesopen.com>
9047
9048         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
9049         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
9050
9051 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9052
9053         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
9054         vec_p_reserve.
9055         * langhooks.h (lang_hooks::builtin_function): Rename parameter
9056         from "class" to "bt_class".
9057
9058 2004-08-02  Paul Brook  <paul@codesourcery.com>
9059
9060         PR rtl-optimization/15068
9061         * flow.c (init_propagate_block_info): Check condition is reversible.
9062
9063 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9064
9065         * gengtype.h (options::info): Change type to const char *.
9066         (enum gc_used_enum): Move out of struct type scope.
9067         * gengtype.c (create_option): Convert initializer for option::info to
9068         appropiate type.
9069         (adjust_field_type, walk_type, write_func_for_structure,
9070         write_root, write_roots): Remove pointless cast.
9071
9072 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
9073
9074         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
9075
9076 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9077
9078         * rtl.h (union rtunion_def): Have all members  start with the
9079         prefix "rt_".
9080         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
9081         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
9082         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
9083         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
9084         access.
9085         * gengtype.c (adjust_field_rtx_def): Likewise.
9086         * rtlanal.c (loc_mentioned_in_p): Likewise.
9087
9088 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
9089
9090         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
9091         Replace uses of mips/elf64.h with mips/elf.h
9092         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
9093         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
9094         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
9095         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
9096         (HANDLE_SYSV_PRAGMA): Delete.
9097         (ASM_OUTPUT_DEF): Fix formatting.
9098         * config/mips/elf64.h: Delete.
9099
9100 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
9101
9102         * config/ia64/ia64.c (got_symbolic_operand): Do require a
9103         symbol+offset operand to have its offset be zero mod 0x3fff
9104         when GOT entries are in use.  Clarify logic in SYMBOL_REF
9105         case.  Clarify comments.
9106         (ia64_expand_load_address): Split a symbol+offset load when
9107         the offset is nonzero mod 0x3fff, not 0x1fff.
9108
9109 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
9110
9111         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
9112         if trying to *store* to a non-offsettable address.
9113         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
9114         a nonoffsettable address.
9115         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
9116         Clean up.
9117         (movti_string): Don't move GPRs to a nonoffsettable address.
9118         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
9119
9120 2004-08-02  Ben Elliston  <bje@au.ibm.com>
9121
9122         PR target/16155
9123         * config/rs6000/altivec.h: Replace typeof with __typeof__.
9124
9125 2004-08-01  Richard Henderson  <rth@redhat.com>
9126
9127         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
9128         variable sized types.
9129
9130 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9131
9132         * doc/invoke.texi: In the MIPS options section, remove the passage
9133         saying that -mexplicit-relocs is usually disabled for -mabicalls
9134         -fno-unit-at-a-time.
9135         * config/mips/mips.c (override_options): Remove the code that enforced
9136         this rule.
9137
9138 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9139
9140         * config/mips/mips.md (cprestore): Provide two alternatives, one for
9141         an in-range offset and one for an out-of-range offset.  Wrap the latter
9142         in .set macro/.set nomacro if it's inside a .set nomacro block.
9143
9144 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9145
9146         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
9147         (mips_restore_gp): Declare.
9148         * config/mips/mips.c (mips_add_offset): Add a scratch register
9149         argument.  Reimplement in rtl only, reusing MIPS16 logic from
9150         mips_output_mi_thunk.
9151         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
9152         to mips_add_offset.
9153         (mips_gp_save_slot): Delete.
9154         (mips_restore_gp): New function.
9155         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
9156         * config/mips/mips.md (exception_receiver): Turn into a
9157         define_insn_and_split.  Use mips_restore_gp to do the split.
9158         (call_internal, call_value_internal, call_value_multiple_internal): Use
9159         mips_restore_gp to restore $gp.
9160
9161 2004-07-31  Andrew Pinski  <apinski@apple.com>
9162
9163         PR other/16842
9164         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
9165
9166 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
9167
9168         * c-decl.c (diagnose_mismatched_decls): Give error for external
9169         redeclaration of identifier declared with no linkage, not just
9170         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
9171         error for redeclaration with no linkage.
9172
9173 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
9174             Fariborz Jahanian <fjahanian@apple.com>
9175
9176         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
9177         non-offsettable addresses even for DImode.
9178         (rs6000_split_multireg_move): Cope with non-offsettable addresses
9179         being moved into multiple GPRs.
9180
9181         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
9182         to 64.
9183         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
9184         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
9185         to 128.
9186         * config/rs6000/darwin-ldouble.c (isless): New macro.
9187         (inf): New macro.
9188         (nonfinite): New macro.
9189         (FPKINF): Delete.
9190         (_xlqadd): Completely rewrite.
9191         (_xlqmul): Correct overflow handling.
9192         (_xlqdiv): Correct overflow handling.
9193         * config/rs6000/darwin-ldouble-format: New file.
9194
9195 2004-07-30  Roger Sayle  <roger@eyesopen.com>
9196             Richard Henderson  <rth@redhat.com>
9197
9198         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
9199         9 into the equivalent lea instruction.
9200
9201 2004-07-30  Richard Henderson  <rth@redhat.com>
9202
9203         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
9204         with DECL_INITIAL if fb_lvalue.
9205         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
9206         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
9207         with <Cxxx>.
9208         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
9209
9210 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
9211
9212         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
9213         pointer escapes through a function call, assume that the
9214         callee will dereference it.
9215         (add_pointed_to_var): Assume that VALUE is always an
9216         ADDR_EXPR.
9217         (collect_points_to_info_r): Only call add_pointed_to_var if
9218         the value is an ADDR_EXPR.
9219
9220 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
9221
9222         * tree-ssa-alias.c (create_alias_map_for): Do not get the
9223         alias set of the inner type of ARRAY_TYPEs.
9224
9225 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9226
9227         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
9228         setting a non-register to UNDEFINED right before the call to
9229         set_lattice_value.
9230
9231 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9232
9233         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
9234
9235 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9236
9237         * tree-ssa.c (verify_flow_sensitive_alias_info): When
9238         comparing points-to sets of different pointers, make sure the
9239         second pointer is actually referenced in the code.
9240
9241 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
9242
9243         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
9244         (got_symbolic_operand): Remove unreachable code.
9245         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
9246         setjmp_operand; add entry for tls_symbolic_operand.
9247         * config/ia64/ia64-protos.h: Remove all prototypes of
9248         predicate functions.
9249
9250 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
9251
9252         * c-common.h (lang_post_pch_load): New variable.
9253         * c-pch.c (lang_post_pch_load): Define it.
9254         (c_common_read_pch): Use it.
9255         * cgraphunit.c (record_call_1): Give the front end a chance to
9256         record additional needed entities when a variable is marked as
9257         needed.
9258         * tlink.c (recompile_files): Robustify.
9259         (scan_linker_output): If a symbol is assigned to a file,
9260         but after recompilation is not present there, issue an error
9261         message.
9262
9263 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9264
9265         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
9266         Take orig_loop argument and pass it to set_level.
9267         (schedule_sm): Pass the correct orig_loop to force_move_till.
9268
9269 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9270
9271         * cfgloop.c (update_latch_info): Update dominator of the new block.
9272         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
9273         info.
9274         * dominance.c (verify_dominators): Check that the dominance tree is
9275         connected.
9276         (recount_dominator): Ignore unreachable blocks.
9277         (iterate_fix_dominators): Cleanup old dominance information before
9278         recomputing it.
9279
9280 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9281
9282         * tree-ssa-operands.c (get_expr_operands): Revert changes
9283         to ADDR_EXPR processing introduced by:
9284             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9285             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
9286
9287 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
9288
9289         * doc/implement-c.texi: Add C90 subclause references.  Point to
9290         preprocessor documentation instead of duplicating it.  Add points
9291         only present in C90.  Fill in documentation for all points.
9292
9293 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9294
9295         * pa.c (output_movb): Correct typo.
9296
9297 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
9298
9299         * ra.h (single_reg_in_regclass): Declare.
9300         * ra.c (single_reg_in_regclass): Define.
9301         (first_hard_reg): New.
9302         (init_ra): Initialize single_reg_in_regclass.
9303         * ra-colorize.c (ok_class): New.
9304         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
9305
9306 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
9307
9308         * gcov-io.h: Allow zero tag as EOF indicator.
9309         (gcov_is_eof): Remove.
9310         (gcov_truncate): Remove.
9311         * gcov-io.c (gcov_seek): Always SEEK_SET.
9312         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
9313         EOF tag.
9314         * coverage.c (read_counts_file): Don't use gcov_is_eof.
9315         * gcov-dump.c (dump_file): Likewise.
9316         * gcov.c (read_graph_file, read_count_file): Likewise.
9317
9318         * c-decl.c (complete_array_type): Don't gratuitously copy
9319         maxindex.  Check it always has a type.
9320
9321 2004-07-29  Steven Bosscher  <stevenb@suse.de>
9322
9323         * rtl.c (currently_expanding_to_rtl): New.
9324         * rtl.h (currently_expanding_to_rtl): Export it.
9325         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
9326
9327         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
9328         inliner hack.
9329         * config/sh/sh.c: Replace rtx_equal_function_value_matters
9330         with currently_expanding_to_rtl.
9331         * config/sh/sh.md: Likewise.
9332         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
9333
9334 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
9335
9336         Introduce sh2a support.
9337         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
9338         * config.gcc: Build multilibs for sh2a and sh2a-single by
9339         default.
9340         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
9341         default.  Split their tests out of the corresponding SH4
9342         multilibs.
9343         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
9344         multilibs for SH2a.
9345         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9346         * config.gcc: Handle sh2a multilibs and cpu selection.
9347         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
9348         * config/sh/t-mlib-sh2a: New.
9349         * config/sh/t-mlib-sh2a-nofpu: New.
9350         * config/sh/t-mlib-sh2a-single: New.
9351         * config/sh/t-mlib-sh2a-single-only: New.
9352         2004-07-09  Nick Clifton  <nickc@redhat.com>
9353         Issue 43400
9354         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
9355         -ml and -m2a are used together.
9356         2004-03-23  DJ Delorie  <dj@redhat.com>
9357         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
9358         when we have a double-sized FPU.
9359         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
9360         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
9361         is set.
9362         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
9363         -msh2a-single and -msh2a-single-only
9364         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
9365         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
9366         is set.
9367         2004-02-20  DJ Delorie  <dj@delorie.com>
9368         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
9369         2004-02-20  Fred Fish <fnf@redhat.com>,
9370         Corinna Vinschen <vinschen@redhat.com>
9371         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
9372         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
9373         2004-02-18  DJ Delorie  <dj@redhat.com>
9374         * config/sh/sh.c (broken_move): Add support for movi20.
9375         * config/sh/sh.h: Likewise.
9376         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
9377         * config/sh/sh.md (udivsi3_sh2a): New.
9378         (udivsi3): Call it.
9379         (divsi3_sh2a): New.
9380         (divsi3): Call it.
9381         (mul_r): New.
9382         (ashlsi3_sh2a): New.
9383         (ashrsi3_sh2a): New.
9384         (lshrsi3_sh2a): New.
9385         (movsi_i): Disable for sh2a.
9386         (movsi_ie): Add movi20.
9387         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
9388         sh2a, for -m2a-nofpu mode.
9389         2004-02-13  DJ Delorie  <dj@redhat.com>
9390         * config/sh/lib1funcs.asm: Handle double vs single better.
9391         * config/sh/sh.h: Likewise.
9392         2004-02-09  DJ Delorie  <dj@redhat.com>
9393         * config/sh/crt1.asm: Add support for sh2a.
9394         * config/sh/elf.h: Likewise.
9395         * config/sh/lib1funcs.asm: Likewise.
9396         * config/sh/sh.c: Likewise.
9397         * config/sh/sh.md: Likewise.
9398         * config/sh/sh.h: Likewise.
9399         * config/sh/t-sh: Likewise.
9400
9401 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9402
9403         * config/frv/frv.md (movqi_internal, movhi_internal,
9404         movsi_internal): Add backup alternatives for memory inputs.
9405
9406 2004-07-28  Matt Austern  <austern@apple.com>
9407
9408         * config/darwin.c (darwin_one_byte_bool): New global variable.
9409         * config/darwin.h (darwin_one_byte_bool): Declare.
9410         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
9411         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
9412         value of darwin_one_byte_bool.
9413         * doc/invoke.texi: Document -mone-byte-bool flag.
9414
9415 2004-07-28  Eric Christopher  <echristo@redhat.com>
9416
9417         * c-common.c (c_common_unsafe_for_reeval): Delete.
9418         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
9419         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
9420         * calls.c (fix_unsafe_tree): Delete.
9421         (expand_call): Delete code which used above.
9422         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
9423         * expr.c (expand_expr_real_1): Ditto.
9424         * fold-const.c (non_lvalue): Ditto.
9425         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
9426         (lhd_unsafe_for_reeval): Ditto.
9427         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
9428         * langhooks.h (unsafe_for_reeval): Ditto.
9429         (unsave_expr_now): Adjust comment.
9430         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
9431         (estimate_num_insns_1): Ditto.
9432         * tree-pretty-print.c (dump_generic_node): Ditto.
9433         * tree.c (expr_align): Ditto.
9434         (unsave_expr): Delete.
9435         (unsafe_for_reeval): Ditto.
9436         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
9437         * tree.def (UNSAVE_EXPR): Delete.
9438         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
9439
9440 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
9441
9442         * tree.h (enum tls_model): Move ...
9443         * coretypes.h: ... here.
9444
9445 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
9446
9447         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
9448
9449 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
9450
9451         * cse.c (validate_canon_reg): New function, split out from...
9452         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
9453
9454 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9455
9456         * tree-ssa-alias.c (maybe_create_global_var): Don't just
9457         return if .GLOBAL_VAR has been created.
9458
9459 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9460
9461         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
9462         every variable that may have aliases, not just tags.
9463
9464 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
9465
9466         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
9467         move_from_CR_eq_bit.
9468         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
9469
9470
9471         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
9472         e500_flip_eq_bit.
9473
9474         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
9475         output_e500_flip_eq_bit.
9476
9477         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
9478         output_e500_flip_eq_bit.
9479         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
9480         output_e500_flip_eq_bit.
9481         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
9482         (print_operand): case D.  Get to EQ bit.
9483
9484 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
9485
9486         * gcov.c (function_summary): Add missing \n.
9487
9488 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9489
9490         Introduce sh4a support.
9491         * config.gcc: Handle sh4a multilibs and cpu selection.
9492         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
9493         * config/sh/t-mlib-sh4a: New.
9494         * config/sh/t-mlib-sh4al: New.
9495         * config/sh/t-mlib-sh4a-nofpu: New.
9496         * config/sh/t-mlib-sh4a-single: New.
9497         * config/sh/t-mlib-sh4a-single-only: New.
9498         2004-02-20  DJ Delorie  <dj@redhat.com>
9499         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
9500         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
9501         2003-08-22  Eric Christopher  <echristo@redhat.com>
9502         * config/sh/sh4a.md: Update for chip errata.
9503         2003-08-07  Eric Christopher  <echristo@redhat.com>
9504         * config/sh/sh4a.md: New file. sh4a processor description.
9505         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
9506         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
9507         of -m4a-nofpu.
9508         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
9509         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
9510         * doc/invoke.texi (SH Options): Document -m4al.
9511         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
9512         * config/sh/sh.c (expand_block_move): Remove commented-out code
9513         checked in by mistake.
9514         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
9515         single elements from SFmode vectors.
9516         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
9517         register.
9518         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
9519         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
9520         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
9521         sh_fsca_int2sf): Remove variable declarations.
9522         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
9523         sh_fsca_int2sf): New functions.
9524         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
9525         sh_fsca_int2sf_rtx): New static variables.
9526         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
9527         sh_fsca_int2sf): Declare.
9528         * config/sh/sh.md: Adjust.
9529         * doc/invoke.texi (SH Options): Document new options.
9530         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
9531         compatibility from SH4 code.
9532         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
9533         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
9534         early.
9535         (memory_movsrc_operand): Renamed to...
9536         (unaligned_load_operand): ... this.  Simplified.
9537         * config/sh/sh.h (PREDICATE_CODES): Adjust.
9538         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
9539         input operand to SImode, and adjust the others.  Introduce
9540         post-increment by peephole.
9541         * config/sh/sh.c (expand_block_move): Give the target address the
9542         same mode as the temp reg.
9543         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
9544         copying.
9545         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
9546         Introduce support for SH4a.
9547         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
9548         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
9549         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
9550         sh_fsca_int2sf): New.
9551         (sh_init_builtins): Initialize them.
9552         (print_operand): Support `d'.
9553         (expand_block_move): Use movua if src is misaligned.
9554         (memory_movsrc_operand): New.
9555         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
9556         and one of the SH4 macros.
9557         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
9558         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
9559         SELECT_SH4A_SINGLE): New.
9560         (TARGET_NONE): Add SH4A_BIT.
9561         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
9562         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
9563         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
9564         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
9565         (enum processor_type): Added PROCESSOR_SH4A.
9566         (PREDICATE_CODES): Add memory_movsrc_operand.
9567         * config/sh/sh.md: Removed unused variables.
9568         (attr cpu): Add sh4a.
9569         (attr type): Add movua, fsrra and fsca.
9570         (prefetch): New, for SH4.
9571         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
9572         (toggle_sz): Set type to fp.
9573         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
9574         (movua, extv, extzv): New.
9575         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
9576         and 4a-single-only.
9577
9578 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9579
9580         * tree-optimize.c (init_tree_optimization_passes): Schedule
9581         pass_may_alias right after the program is renamed into SSA.
9582         * tree-pass.h (PROP_alias): Define.
9583         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
9584         * tree-sra.c (pass_sra): Likewise.
9585         * tree-ssa-ccp.c (pass_ccp): Likewise.
9586         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
9587         * tree-ssa-dce.c (pass_dce): Likewise.
9588         * tree-ssa-dom.c (pass_dominator): Likewise.
9589         * tree-ssa-dse.c (pass_dse): Likewise.
9590         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9591         * tree-ssa-loop-ch.c (pass_ch): Likewise.
9592         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
9593         * tree-ssa-pre.c (pass_pre): Likewise.
9594         * tree-tailcall.c (pass_tail_recursion): Likewise.
9595         * tree-ssa.c (pass_redundant_phi): Likewise.
9596         * tree-ssa-alias.c (aliases_computed_p): Remove.
9597         Update all users.
9598         (init_alias_info): Do not mark all type tags for renaming
9599         unconditionally.
9600         Clear may_aliases from every symbol.
9601         (setup_pointers_and_addressables): If a pointer has not been
9602         dereferenced and it had a type tag, clear it and mark the old
9603         tag for renaming.
9604
9605 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9606
9607         PR tree-optimization/16705
9608         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
9609         .GLOBAL_VAR.
9610
9611 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9612
9613         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
9614         check.
9615
9616         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
9617         don't make another one.
9618
9619         PR optimization/15077
9620         * function.h (struct function): Add field saved_static_chain_decl.
9621         Fix comment for static_chain_decl.
9622         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
9623         * tree-inline.h (save_body): Add new arg.
9624         * tree-optimize.c (tree_rest_of_compilation): Handle saving
9625         static_chain_decl.
9626
9627 2004-07-27  Richard Henderson  <rth@redhat.com>
9628
9629         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
9630         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
9631         is_gimple_addressable.
9632         * tree-gimple.c (is_gimple_addressable): Rename from
9633         is_gimple_addr_expr_arg; accept INDIRECT_REF.
9634         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
9635         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
9636         rename to is_gimple_addressable.
9637
9638 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
9639
9640         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
9641
9642 2004-07-27  Richard Henderson  <rth@redhat.com>
9643
9644         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
9645         before rounding.
9646
9647 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
9648
9649         * libgcc2.c: Change all conditionals testing
9650         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
9651         * libgcc2.h: Likewise.
9652         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
9653         TYPE_PRECISION of float80_type to 80.
9654         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
9655         of fpreg_type and float80_type to 80.
9656         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
9657         * config/m68k/netbsd-elf.h:
9658         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
9659         to evaluate to 80 whenever they would formerly have evaluated to 96.
9660         * config/i386/sco5.h: Remove unnecessary redefinition of
9661         LONG_DOUBLE_TYPE_SIZE.
9662         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
9663         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
9664         XFmode, with a bitsize of 80.  Update commentary.
9665         * config/ia64/ia64-modes.def: Likewise.
9666         * config/m68k/m68k-modes.def: Likewise.
9667
9668 2004-07-27  Steven Bosscher  <stevenb@suse.de>
9669
9670         * cfgexpand.c (tree_expand_cfg): Fix comment.
9671
9672         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
9673         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
9674         Remove.
9675         (prepare_function_start): Don't set rtx_equal_function_value_matters.
9676         * integrate.c (copy_rtx_and_substitute): Don't test for it.
9677         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
9678         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
9679         here again.  Update leading comment.
9680         * rtl.c (rtx_equal_function_value_matters): Remove.
9681         (rtx_equal_p): Don't test for it.
9682         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
9683         Likewise.
9684
9685         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
9686         * rtl.c (note_insn_name): Likewise.
9687         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
9688         * final.c (final_scan_insn): Likewise.
9689
9690         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
9691         * passes.c (rest_of_handle_eh): Do it here.
9692
9693         * stmt.c (struct nesting): Remove struct nesting block member.
9694         (struct stmt_status): Remove x_block_start_count field.
9695         (current_block_start_count): Remove.
9696
9697 2004-07-27  Brian Booth  <bbooth@redhat.com>
9698
9699         * tree-optimize.c (register_one_dump_file): Update condition that uses
9700         static_pass_number.
9701         (dup_pass_1): Replace with...
9702         (next_pass_1): This.
9703         (NEXT_PASS): Call next_pass_1.
9704         (DUP_PASS): Remove.
9705         (init_tree_optimization_passes): Remove uses of DUP_PASS.
9706         (execute_one_pass): Update condition that uses
9707         static_pass_number.
9708         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
9709         integer.
9710
9711 2004-07-27  Nick Clifton  <nickc@redhat.com>
9712
9713         * config/m32r/m32r.c: Include integrate.h in order to get the
9714         prototype for get_hard_reg_initial_val().
9715
9716         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
9717         and tidy up indentation.
9718         (final_presence_set): Use absence_set instead, so that if there is
9719         nothing in the "o" pipe the "s" pipe can be scheduled.
9720
9721 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
9722
9723         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
9724         don't have PT_VARS nor PT_MALLOC set.
9725         Clear name tag from pointers that have not been dereferenced.
9726         (set_pt_anything, set_pt_malloc): Forward declare.
9727         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
9728         not type compatibility when determining if a pointer can be
9729         copy propagated.
9730
9731 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
9732
9733         * expr.h (canonicalize_condition, get_condition): Add an int argument.
9734         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
9735         it to check whether the condition is still valid at the jump insn.
9736         * ifcvt.c (noce_get_condition): Likewise.
9737         (noce_get_alt_condition): Update call to canonicalize_condition.
9738         * loop-iv.c (simplify_using_initial_values): Update call to
9739         get_condition.  Remove FIXME.
9740         (check_simple_exit): Update call to get_condition.
9741         * loop-unswitch.c (may_unswitch_on): Likewise.
9742         * loop.c (check_dbra_loop): Likewise.
9743         (canonicalize_condition, get_condition): Add an argument to say whether
9744         the condition must still be valid at INSN.
9745         (get_condition_for_loop): Update call to get_condition.  Require that
9746         the condition be valid at INSN.
9747         * predict.c (estimate_probability): Update call to get_condition.
9748         Remove unused earliest parameter.
9749         (expected_value_to_br_prob): Update call to canonicalize_condition.
9750
9751 2004-07-26  Eric Christopher  <echristo@redhat.com>
9752
9753         * tree-dfa.c (add_referenced_var): Register initializers of global
9754         variables.
9755
9756 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
9757
9758         * config/i386/i386.c (function_arg): Always treat 8-
9759         and 16-byte wide vectors the same, even if MMX/SSE
9760         are disabled.
9761         (contains_128bit_aligned_vector_p): Add comment.
9762
9763 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
9764
9765         * ra.h (enum node_type): Rename to:
9766         (enum ra_node_type).
9767         * ra-colorize.c: Likewise.
9768
9769 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
9770
9771         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
9772         after simplifying the jump.
9773
9774 2004-06-26  Richard Henderson  <rth@redhat.com>
9775
9776         * calls.c (combine_pending_stack_adjustment_and_call): Make
9777         preferred_unit_stack_boundary argument unsigned.  Make
9778         unadjusted_alignment unsigned.
9779         (expand_call): Make preferred_stack_boundary and
9780         preferred_unit_stack_boundary variables unsigned.
9781         * function.c (assign_stack_local_1): Make alignment unsigned.
9782         * function.h (struct function): Make stack_alignment_needed,
9783         preferred_stack_boundary unsigned.
9784         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
9785         (ix86_compute_frame_layout): Make stack_alignment_needed,
9786         preferred_alignment variables unsigned.
9787         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
9788
9789 2004-07-26  Tom Tromey  <tromey@redhat.com>
9790
9791         * tree.h: Fix typo in comment.
9792
9793 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
9794
9795         PR bootstrap/12804
9796         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
9797         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
9798         (ggc_free): Remove incorrect freeing.
9799         (sweep_pages): Advance PP for large pages.  Fix indentation.
9800
9801 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
9802
9803         PR rtl-optimization/16643
9804         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
9805         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
9806         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
9807         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
9808         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
9809         * function.c (thread_prologue_and_epilogue_insns): Likewise.
9810         * rtl.h (tracer): Add a flags parameter.
9811         * tracer.c (tracer): Pass it to cfg_layout_initialise.
9812         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
9813         (rest_of_handle_reorder_blocks): Update calls to tracer and
9814         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
9815         (rest_of_handle_tracer): Pass 0 to tracer.
9816         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
9817
9818 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
9819
9820         PR target/16239
9821         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
9822         f->f.
9823
9824 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
9825
9826         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
9827         (BINFO_BASE_ACCESS): Adjust.
9828         (BINFO_BASE_ACCESS_APPEND): New.
9829         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
9830         * dbxout.c (dbxout_type): Adjust binfo access accessing.
9831         * dwarf2out.c (gen_member_die): Likewise.
9832         * tree-dump.c (deque_and_dump): Likewise.
9833
9834 2004-07-26  Falk Hueffner  <falk@debian.org>
9835
9836         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
9837         costs.
9838
9839 2004-07-25  Roger Sayle  <roger@eyesopen.com>
9840
9841         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
9842         value off of the stack if TARGET_USE_FFREEP.
9843
9844 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
9845
9846         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
9847         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
9848         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
9849         check on invocation of XRESIZEVEC ().
9850
9851 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
9852
9853         * c-common.c (disable_builtin_function): Rename variable n to
9854         new_disabled_builtin.
9855         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
9856         Rename local variable old to old_decl.
9857         * gensupport.c (shift_output_template): Rename parameter old to src.
9858         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
9859         old_rtx and newx to new_rtx.
9860
9861 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
9862
9863         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
9864         of c-pragma.h.
9865         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
9866         enum cpp_ttype.
9867         * c-lex.c: Likewise.
9868
9869 2004-07-25  Roger Sayle  <roger@eyesopen.com>
9870
9871         * fold-const.c (constant_boolean_node): Make extern.
9872         (make_range): Wrap long lines.
9873         (fold_cond_expr_with_comparison): Remove unnecessary call to
9874         pedantic_non_lvalue.  Add missing calls to fold_convert.
9875         (fold_truthop): Add missing calls to fold_convert.
9876         (fold): Likewise.
9877         * tree.h (constant_boolean_node): Add prototype here.
9878         * builtins.c (expand_builtin_strncmp): Add missing calls to
9879         fold_convert.
9880         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
9881         Call fold_convert and constant_boolean_node to correct types.
9882         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
9883         missing call to fold_convert to correct types.
9884
9885 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
9886             Brian Ryner  <bryner@brianryner.com>
9887
9888         PR c++/9283
9889         PR c++/15000
9890         * c-common.c (c_common_attribute_table): Allow
9891         handle_visibility_attribute to be called for types.
9892         (handle_visibility_attribute) When given a type, set the visibility
9893         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
9894         so that we can check later whether the attribute was present. Added
9895         warning if attribute applied to non class type.
9896         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
9897         decls and checking that they are consistent.
9898         * common.opt: Added -fvisibility.
9899         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
9900         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
9901         * flags.h, tree.h: Added assorted support defines for overall patch
9902         * opts.c: Added parsing support for -fvisibility.
9903         * tree.c (build_decl): Set visibility for all decls to be whatever
9904         is in force at that time.
9905         * varasm.c (default_binds_local_p_1): Reworked logic determining
9906         when to make a symbol locally bound.
9907         * doc/invoke.texi: Added documentation for -fvisibility and
9908         -fvisibility-inlines-hidden.
9909
9910 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9911
9912         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
9913         * c-common.c: Add missing casts from void * to other types.
9914         * c-decl.c: Likewise.
9915         * c-format.c: Likewise.
9916         * c-lex.c: Likewise.
9917         * c-pragma.c: Likewise.
9918         * c-typeck.c: Likewise.
9919         * defaults.h: Likewise.
9920         * genconstants.c: Likewise.
9921         * gengtype-lex.l: Likewise.
9922         * genmodes.c: Likewise.
9923         * read-rtl.c: Likewise.
9924         * rtl.c: Likewise.
9925
9926 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9927
9928         * bitmap.c: Use type-safe memory allocation macros from libiberty.
9929         * c-common.c: Likewise.
9930         * c-decl.c: Likewise.
9931         * c-lang.c: Likewise.
9932         * c-lex.c: Likewise.
9933         * c-opts.c: Likewise.
9934         * c-parse.in: Likewise.
9935         * c-typeck.c: Likewise.
9936         * genconditions.c: Likewise.
9937         * gengtype-lex.l: Likewise.
9938         * gengtype-yacc.y: Likewise.
9939         * gengtype.c: Likewise.
9940         * genmodes.c: Likewise.
9941         * gensupport.c: Likewise.
9942         * read-rtl.c: Likewise.
9943         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
9944         htab_find_slot().
9945
9946 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9947
9948         * c-decl.c (groktypename, groktypename_in_param_context): Rename
9949         variable typename to type_name.
9950         * c-lex.c (interpret_float): Likewise.
9951
9952 2004-07-25  Roger Sayle  <roger@eyesopen.com>
9953
9954         * convert.c (convert_to_real, convert_to_integer,
9955         convert_to_complex): Replace calls to build with calls to buildN.
9956         * coverage.c (tree_coverage_counter_ref): Likewise.
9957         * dojump.c (do_jump): Likewise.
9958         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
9959         * emit-rtl.c (component_ref_for_mem_expr,
9960         set_mem_attributes_minus_bitpos): Likewise.
9961         * explow.c (update_nonlocal_goto_save_area): Likewise.
9962         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
9963         expand_mult_add): Likewise.
9964         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
9965         store_constructor, get_inner_reference, expand_expr_real_1,
9966         try_casesi, try_tablejump): Likewise.
9967         * function.c (expand_function_start): Likewise.
9968         * stmt.c (emit_case_bit_tests, expand_end_case_type,
9969         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
9970         * stor-layout.c (place_union_field, layout_type): Likewise.
9971         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
9972         * varasm.c (copy_constant): Likewise.
9973
9974 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
9975
9976         * c-common.c: Rename all identifiers named `new'.
9977         * c-decl.c: Likewise.
9978         * gensupport.c: Likewise.
9979         * simplify-rtx.c: Likewise.
9980         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
9981         with XNEW().
9982         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
9983         with XNEWVEC().
9984
9985 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
9986
9987         PR c/15360
9988         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
9989         declarations until after calling pushdecl.
9990         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
9991         "extern" and not on whether the declaration is initialized.
9992
9993 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
9994
9995         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
9996         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
9997         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
9998         "cpplib.h", "c-pragma.h", "c-common.h".
9999         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
10000         (solaris_register_pragmas): New functions.
10001         * config/sol2-protos.h: New file.
10002         * config/sol2.c: New file.
10003         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
10004         (REGISTER_TARGET_PRAGMAS): New macros.
10005         (solaris_pending_aligns, solaris_pending_inits)
10006         (solaris_pending_finis): New variables.
10007         * config/t-sol2 (sol2-c.o): Update dependencies.
10008         (sol2.o): New rule.
10009         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
10010         SUBTARGET_INSERT_ATTRIBUTES.
10011         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
10012         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
10013         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
10014         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
10015         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
10016         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
10017         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
10018         * config/sparc/sparc.c (sparc_attribute_table): New.
10019         (TARGET_INSERT_ATTRIBUTES): Define in terms of
10020         SUBTARGET_INSERT_ATTRIBUTES.
10021         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
10022         is defined.
10023         * doc/extend.texi (Solaris Pragmas): New section.
10024
10025 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10026
10027         * c-common.c: Rename all identifiers named `class' to `cl'.
10028         * c-common.h: Likewise.
10029         * c-parse.in: Likewise.
10030         * c-typeck.c: Likewise.
10031         * genmodes.c: Likewise.
10032         * real.c: Likewise.
10033         * real.h: Likewise.
10034         * recog.c: Likewise.
10035         * recog.h: Likewise.
10036         * regrename.c: Likewise.
10037         * tree.h: Likewise.
10038         * c-common.c (builtin_function_2): Change type of 5th parameter from
10039         int to enum built_in_function. Change type of 8th parameter from int
10040         to bool.
10041         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
10042         with GGC_CNEW().
10043         * c-typeck.c (convert_arguments): Change type of formal_prec from
10044         int to unsigned int.
10045         * genmodes.c (blank_mode): Make a few negative constants unsigned.
10046         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
10047         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
10048         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
10049         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
10050         iterator to for_all_modes () instead of an enum because enums can't
10051         be incremented in C++.
10052
10053
10054 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
10055
10056         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
10057         hard registers.
10058
10059 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10060
10061         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
10062         Handle ARRAY_RANGE_REF like ARRAY_REF.
10063
10064 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
10065
10066         * c-typeck.c (digest_init): Don't allow arrays of signed or
10067         unsigned variants of wchar_t to be initialized by wide string
10068         constants.  Do allow arrays of enumerated types compatible with
10069         wchar_t to be initialized by wide string constants.  Refine tests
10070         distinguishing wide and narrow strings and arrays.  Give specific
10071         error for arrays of other integer types initialized by string
10072         constants.
10073         (output_init_element, process_init_element): Check for
10074         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
10075         initializing with string constants.
10076
10077 2004-07-25  Richard Henderson  <rth@redhat.com>
10078
10079         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
10080         on the RESULT_DECL.
10081         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
10082         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
10083         DECL_IGNORED_P to new decl.
10084
10085 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
10086
10087         * config/ia64/ia64.c (general_xfmode_operand)
10088         (destination_xfmode_operand): Delete.
10089         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
10090         * config/ia64/ia64.md (*movxf_internal): Use general_operand
10091         and destination_operand.
10092
10093 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
10094
10095         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
10096         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
10097
10098 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
10099             Zack Weinberg  <zack@codesourcery.com
10100
10101         PR 16684
10102         * c-decl.c (diagnose_mismatched_decls): Don't issue a
10103         redundant-declaration warning the first time a builtin is
10104         declared explicitly.
10105
10106 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10107
10108         * tree.h (staticp): Change return type to bool.
10109
10110 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10111
10112         * c-common.c (c_staticp): Last episode of the staticp saga.
10113
10114 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10115
10116         * c-common.h (c_staticp): Change return type from int to bool.
10117         * tree.c (staticp): Likewise.
10118         * langhooks.h (staticp): Likewise.
10119
10120 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10121
10122         * langhooks-def.h (lhd_staticp): Change return type from int to
10123         bool in prototype to match definition.
10124
10125 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10126
10127         * system.h (bool, true, false): Don't redefine as preprocessor macros
10128         in C++.
10129
10130 2004-07-24  Roger Sayle  <roger@eyesopen.com>
10131
10132         * expmed.c (init_expmed): A signed modulus by a power of two is
10133         considered cheap if its less than or equal to four instructions.
10134
10135 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10136
10137         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
10138         GGC_CNEWVAR): New macros.
10139
10140 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10141
10142         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
10143         lists.
10144         * c-decl.c: Likewise.
10145         * c-format.c: Likewise.
10146         * c-lex.c: Likewise.
10147         * c-opts.c: Likewise.
10148         * c-pragma.c: Likewise.
10149         * c-typeck.c: Likewise.
10150         * gencheck.c: Likewise.
10151         * genconditions.c: Likewise.
10152         * genconfig.c: Likewise.
10153         * genflags.c: Likewise.
10154         * gengtype.c: Likewise.
10155         * gensupport.c: Likewise.
10156         * ggc-none.c: Likewise.
10157         * langhooks.c: Likewise.
10158         * statistics.h: Likewise.
10159         * stub-objc.c: Likewise.
10160         * java/decl.c: Likewise.
10161
10162 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
10163
10164         * config/m68k/m68k.c (output_scc_di): Fix coding style.
10165         (symbolic_operand): Fix prototype.
10166         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
10167         * config/m68k/m68k.md: Add constants for registers a0 and sp and
10168         use them, change from the "{...}" syntax to the simpler {...}
10169         syntax.
10170         (*cfv4_extendqisi2): Fix destination predicate.
10171         * config/m68k/m68k-protos.h: Remove various declarations also
10172         generated via PREDICATE_CODES.
10173
10174 2004-07-23  Mike Stump  <mrs@apple.com>
10175
10176         * c-typeck.c (convert_for_assignment): Tightened up pointer
10177         converstions that differ in signedness.
10178
10179 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
10180
10181         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
10182
10183 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10184
10185         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
10186         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
10187
10188         * gimplify.c (gimplify_compound_lval): Check for no handled
10189         operations, rather than checking for explicit list of nodes.
10190         (is_gimple_addr_expr_arg_or_indirect): New function.
10191         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
10192         redundant setting of TREE_INVARIANT.
10193         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
10194         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
10195
10196 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
10197
10198         PR tree-optimization/16688
10199         PR tree-optimization/16689
10200         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
10201         unnecessary initialization of 'tag'.
10202         (get_tmt_for): Check that the new type tag has the same alias
10203         set as the pointed-to type.
10204         (group_aliases): Only regular variables need to be removed
10205         from the alias set of a name tag.
10206         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
10207         propagation if the two types are not compatible.
10208         (merge_alias_info): Rename from replace_ssa_names_ann.
10209         Add more checking.
10210         (replace_exp_1): If both arguments are SSA_NAMEs, check that
10211         the propagation can be done.
10212         Only call merge_alias_info on pointers.
10213         (propagate_value): Likewise.
10214         * tree-ssa-copyrename.c: Include langhooks.h.
10215         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
10216         to do the merging.
10217         Do not coalesce variables with incompatible types.
10218         (rename_ssa_copies): Call replace_ssa_name_symbol.
10219         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
10220         the same type as the underlying _DECL.
10221         * tree-ssanames.c (replace_ssa_name_symbol): New function.
10222         * tree.h (replace_ssa_name_symbol): Declare.
10223
10224 2004-07-23  Richard Henderson  <rth@redhat.com>
10225
10226         PR c++/16277
10227         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
10228         unshare it properly.
10229         (gimplify_modify_expr_rhs): Push assignment from a conditional into
10230         the conditional for all non-register types.
10231
10232 2004-07-23  Richard Henderson  <rth@redhat.com>
10233
10234         * expr.c (expand_expr_real_1): Don't handle non-local variables.
10235         * expr.h (fix_lexical_addr): Remove.
10236         * function.c (NEED_SEPARATE_AP): Remove.
10237         (fix_lexical_addr): Remove.
10238         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
10239         not null decl_function_context.
10240         (create_alias_vars): Likewise.
10241         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
10242         (simple_goto_p): Likewise.
10243         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
10244         * tree-ssa-ccp.c (get_default_value): Likewise.
10245         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
10246         * tree.c (needs_to_live_in_memory): Likewise.
10247         * tree-flow-inline.h (may_be_aliased): Move...
10248         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
10249         when TREE_STATIC variables may be addressable.
10250
10251 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
10252
10253         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
10254
10255 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
10256
10257         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
10258         bitmap contents if GENERATOR_FILE is defined.
10259         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
10260         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
10261
10262 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
10263
10264         * c-decl.c (start_function): Form composite type of function types
10265         rather than copying type from previous prototype declaration.
10266
10267 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
10268
10269         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
10270         the const qualifier for the second argument in the C++ functions.
10271
10272         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
10273         specific pointer types.
10274
10275         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
10276         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
10277         for vector bool and/or vector pixel, add C++ and C missing support.
10278         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
10279         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
10280         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
10281         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
10282         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
10283         missing C++ and C support for vector bool and/or vector pixel.
10284         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
10285         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
10286         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
10287         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
10288         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
10289         C++ and C types used for vector bool and/or vector pixel.
10290         (vec_st, vec_stl): Add C++ support for vector pixel.
10291         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
10292         (vec_all_ne): Add C++ support for vector pixel.
10293
10294         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
10295         (vec_vmulesb): Add missing C++ function.
10296         (vec_perm): Fix type of third argument in C++ function.
10297         (vec_vsum4shs): Fix C++ function name.
10298         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
10299         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
10300         argument passed to the error handler in C macro.
10301         (vec_nmsub): Remove extra parens around argument names in C macro.
10302         (vec_packpx): Add missing parens in C macro.
10303
10304 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
10305
10306         * machmode.def: Remove vector modes.
10307         * config/alpha/alpha-modes.def: Add supported vector modes.
10308         * config/arm/arm-modes.def: Likewise.
10309         * config/frv/frv-modes.def: Likewise.
10310         * config/i386/i386-modes.def: Likewise.
10311         * config/rs6000/rs6000-modes.def: Likewise.
10312         * config/sh/sh-modes.def: Likewise.
10313
10314 2004-07-23  Matthias Klose  <doko@debian.org>
10315
10316         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
10317         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
10318         * config.h: Regenerate.
10319         * configure: Likewise.
10320
10321 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
10322
10323         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
10324         generated SYMBOL_REFs for labels.
10325         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
10326         Change prototype.
10327         (machopic_stub_name): Remove.
10328         (machopic_indirection_name): New function.
10329         (machopic_mcount_stub_name): Likewise.
10330         (machopic_classify_name): Remove.
10331         (machopic_function_base_sym): New function.
10332         (machpoic_classify_symbol): Likewise.
10333         (machopic_classify_ident): Remove.
10334         (machopic_define_ident): Likewise.
10335         (machopic_define_name): Likewise.
10336         (machopic_name_defined_p): Likewise.
10337         (machopic_ident_defined_p): Likewise.
10338         (darwin_strip_name_encoding): Likewise.
10339         (machopic_define_symbol): New function.
10340         * config/darwin.c (hashtab.h): Include.
10341         (machopic_defined_list): Remove.
10342         (machopic_classify_ident): Likewise.
10343         (machopic_classify_name): Likewise.
10344         (machopic_ident_defined_p): Likewise.
10345         (machopic_define_ident): Likewise.
10346         (machopic_define_name): Likewise.
10347         (machopic_symbol_defined_p): New function.
10348         (machopic_classify_symbol): Likewise.
10349         (machopic_data_defined_p): Use machopic_classify_symbol.
10350         (machopic_define_symbol): New function.
10351         (machopic_function_base_sym): New function.
10352         (machopic_non_lazy_pointers): Remove.
10353         (machopic_non_lazy_ptr_name): Likewise.
10354         (machopic_stubs): Likewise.
10355         (machopic_stub_name): Likewise.
10356         (NON_LAZY_POINTER_SUFFIX): New macro.
10357         (STUB_SUFFIX): Likewise.
10358         (machopic_indirection): New structure.
10359         (machopic_indirections): New variable.
10360         (machopic_indirection_hash): New function.
10361         (machopic_indirection_eq): Likewise.
10362         (machopic_indirection_name): Likewise.
10363         (machopic_mcount_stub_name): New function.
10364         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
10365         hash table.
10366         (machopic_indirect_data_reference): Rework to use new functions.
10367         (machopic_indirect_call_target): Likewise.
10368         (machopic_legitimize_pic_address): Likewise.
10369         (machopic_output_indirection): New function.
10370         (machopic_finish): Use it.
10371         (machopic_operand_p): Rework to use new functions.
10372         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
10373         (darwin_strip_name_encoding): Remove.
10374         (update_non_lazy_ptrs): Remove.
10375         (update_stubs): Likewise.
10376         (darwin_non_lazy_pcrel): Use new functions.
10377         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
10378         (ASM_OUTPUT_LABELREF): Likewise.
10379         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10380         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
10381         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
10382         (TARGET_STRIP_NAME_ENCODING): Do not use
10383         darwin_strip_name_encoding.
10384         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
10385         darwin_strip_name_encoding.
10386         * config/i386/darwin.h (FUNCTION_PROFILER): Use
10387         machopic_mcount_stub_name.
10388         * config/i386/i386.c (x86_output_mi_thunk): Use
10389         machopic_indirection_name, not machopic_stub_name.
10390         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
10391         machopic_function_base_sym.
10392         (print_operand): Use machopic_classify_symbol.
10393         (rs6000_emit_prologue): Use machopic_function_base_sym.
10394         (output_profile_hook): Do not use machopic_stub_name.
10395         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
10396
10397 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10398
10399         PR c/7284
10400         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
10401         as multiplication.
10402
10403 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10404
10405         * doc/implement-c.texi: New file.
10406         * doc/extend.texi (C Implementation): Move to there.
10407         * doc/gcc.texi: Include implement-c.texi.
10408         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
10409
10410 2004-07-22  Jason Merrill  <jason@redhat.com>
10411
10412         * integrate.c (copy_decl_for_inlining): Remove invisible reference
10413         handling.
10414         * tree-inline.c (setup_one_parameter): Likewise.
10415
10416 2004-07-22  Brian Booth  <bbooth@redhat.com>
10417
10418         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
10419         (substitute_and_fold): Propigate into VUSE operands when possible.
10420         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
10421         (cp_lattice_meet): Handle merging of latticevalues when
10422         UNKNOWN_VAL is present.
10423         (visit_stmt): Visit assignments with V_MUST_DEFs.
10424         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
10425         (ccp_fold): Deal with RHS' that are constant and virtual.
10426         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
10427         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
10428         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
10429         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
10430         computing immediate uses.
10431         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
10432         transition.
10433         (replace_vuse_in): New function.
10434         (likely_value): Add check of vuse operands.
10435         (get_default_value): Set the default value of virtually defined
10436         variables to UKNOWN_VAL instead of VARYING.
10437
10438 2004-07-22  Richard Henderson  <rth@redhat.com>
10439
10440         * expr.c (emit_push_insn): Don't use set_mem_attributes.
10441
10442 2004-07-22  Richard Henderson  <rth@redhat.com>
10443
10444         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
10445         variables due to conditional compilation.
10446
10447 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
10448
10449         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
10450         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
10451         Release SSA names that have been re-renamed.
10452         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
10453         variable.
10454         * tree-ssa-alias.c (init_alias_info): If aliases have been
10455         computed before, clear existing alias information.
10456         (create_name_tags): Do no fixup PT_ANYTHING pointers.
10457         If the new name tag for a pointer is different than the one it
10458         had before, mark the old tag for renaming.
10459         (replace_may_alias): New function.
10460         (group_aliases): Call it.
10461         (setup_pointers_and_addressables): Always call get_tmt_for.
10462         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
10463         once.
10464         (set_pt_anything): New local function.
10465         (set_pt_malloc): New local function.
10466         (merge_pointed_to_info): Don't merge pointed-to variables from
10467         the original pointer if the destination is pointing to an
10468         unknown location.
10469         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
10470         (add_pointed_to_var): Do not add a variable to the points-to
10471         set if the pointer is already pointing to anywhere.
10472         (collect_points_to_info_r): If the defining statement is a PHI
10473         node, only merge pointed-to information if the argument has
10474         already been visited.
10475         (get_tmt_for): Only create a new tag if the pointer didn't
10476         have one already.
10477         (dump_alias_info): Emit more information.
10478         (dump_points_to_info_for): Likewise.
10479         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
10480         try to get the annotation of an SSA_NAME.
10481         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
10482         alias sets when checking is enabled.
10483         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
10484         (eliminate): Mark basic blocks that will need
10485         EH information cleaned up.
10486         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
10487         predecessor.
10488         Initialize need_eh_cleanup.
10489         (fini_pre): Call tree_purge_all_dead_eh_edges and
10490         cleanup_tree_cfg if needed.
10491         Free need_eh_cleanup.
10492         * tree-ssa.c (verify_ssa_name): New function.
10493         (verify_def): Call it.
10494         Re-arrange to avoid printing too many error messages.
10495         (verify_use): Likewise.
10496         (verify_phi_args): Likewise.
10497         (verify_flow_insensitive_alias_info): New function.
10498         (verify_flow_sensitive_alias_info): New function.
10499         (verify_alias_info): New function.
10500         (verify_ssa): Call verify_alias_info.
10501         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
10502         program.
10503         Re-arrange to avoid printing too many error messages.
10504         * tree-ssanames.c (make_ssa_name): Clear
10505         SSA_NAME_IN_FREE_LIST.
10506         (release_ssa_name): Never release a default definition.
10507         (release_defs): New function.
10508         * tree.h: Declare it.
10509         * tree-ssa-dce.c (remove_dead_stmt): Call it.
10510
10511 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
10512
10513         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
10514         If true, do a depth-first search.  Do a breadht-first search,
10515         otherwise.
10516         (walk_use_def_chains): Add new argument IS_DFS.
10517         Update all users.
10518         * tree-flow.h (walk_use_def_chains): Update prototype.
10519
10520 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
10521
10522         * config/cris/cris.md: Tweak formatting.
10523         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
10524         (mover2side, moverside, movemside, movei, op3, andu): Replace
10525         live define_peephole:s with define_peephole2 near-equivalents.
10526         Delete the rest.
10527         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
10528         word-size modes.
10529         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
10530         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
10531         "*mov_sidesi_mem" respectively.
10532
10533 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
10534
10535         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
10536         (gimplify_build1): Move from tree-complex.c do_unop.
10537         (gimplify_build2): Move from tree-complex.c do_binop.
10538         (gimplify_build3): New.
10539         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
10540         Adjust throughout to call the functions above.
10541         * tree-flow.h: Declare the functions above.
10542         * tree-nested.c (gimplify_val): Rename to...
10543         (tsi_gimplify_val): ... this.
10544
10545         * Makefile.in (tree_complex.o): Update dependencies.
10546         (stor-layout.o): Depend on regs.h.
10547         * c-common.c (handle_vector_size_attribute): Update for
10548         vector types without corresponding vector modes.
10549         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
10550         a corresponding vector mode is not available.
10551         * print-tree.c (print_node): Print nunits for vector types
10552         * regclass.c (have_regs_of_mode): New.
10553         (init_reg_sets_1): Initialize it and use it instead
10554         of allocatable_regs_of_mode.
10555         * regs.h (have_regs_of_mode): Declare it.
10556         * stor-layout.c (layout_type): Pick a mode for vector types.
10557         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
10558         build_replicated_const, do_unop, do_binop, do_plus_minus,
10559         do_negate, expand_vector_piecewise, expand_vector_parallel,
10560         expand_vector_addition, expand_vector_operations_1,
10561         expand_vector_operations, tree_lower_operations,
10562         pass_lower_vector_ssa, pass_pre_expand): New.
10563         (expand_complex_operations, pass_lower_complex): Remove.
10564         * tree-optimize.c (init_tree_optimization_passes): Adjust
10565         pass ordering for changes in tree-complex.c.
10566         * tree-pass.h: Declare new passes.
10567         * tree.c (finish_vector_type): Remove.
10568         (make_vector_type): New.
10569         (build_vector_type_for_mode, build_vector_type): Rewritten.
10570         * tree.def (VECTOR_TYPE): Document where the number of
10571         subparts is stored.
10572         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
10573         (make_vector): Remove declaration.
10574
10575 2004-07-21  Richard Henderson  <rth@redhat.com>
10576
10577         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
10578         TREE_THIS_VOLATILE, may_aliases, or optimization level.
10579         (remove_useless_vars): Dump debugging info.
10580         (expand_used_vars): Move ...
10581         * cfgexpand.c (expand_used_vars): ... here.  Make static.
10582         * tree-flow-inline.h (set_is_used): New.
10583         (set_default_def): Use get_var_ann.
10584         * tree-flow.h: Update decls.
10585         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
10586         (create_ssa_var_map): Use it.
10587         * tree-ssa.c (set_is_used): Remove.
10588
10589 2004-07-22  Ben Elliston  <bje@au.ibm.com>
10590
10591         * gdbinit.in: Set a breakpoint on internal_error.
10592
10593 2004-07-21  Richard Henderson  <rth@redhat.com>
10594
10595         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
10596         to create a new basic block.
10597
10598 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10599
10600         PR c/15052
10601         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
10602         return type on function definitions.  Move other warnings for
10603         qualified return type to -Wreturn-type.  Do not condition any such
10604         warnings on -pedantic.  Update comments.
10605         (start_function): Only copy function type from previous prototype
10606         declaration if return types are compatible.
10607         * c-typeck.c (function_types_compatible_p): Don't condition
10608         warning for incompatibility of volatile qualifiers on the return
10609         type on -pedantic.  Update comment.
10610         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
10611
10612 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10613
10614         * c-typeck.c (set_init_index): Require designator to be of integer
10615         type.
10616
10617 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10618
10619         PR c/11250
10620         * c-parse.in (init): Change to exprtype.
10621         (primary): Set original_code for STRING to STRING_CST.
10622         Call maybe_warn_string_init for compound literals.
10623         (initdcl, notype_initdcl): Call maybe_warn_string_init.
10624         (initval): Update.
10625         * c-tree.h (maybe_warn_string_init): New.
10626         (pop_init_level, process_init_element): Use struct c_expr.
10627         (struct c_expr): Update comment.
10628         * c-typeck.c (maybe_warn_string_init): New function.
10629         (digest_init): Call it.  Additional parameter strict_string.  All
10630         callers changed.
10631         (output_init_element): Likewise.
10632         (struct constructor_stack): Use struct c_expr for
10633         replacement_value.
10634         (really_start_incremental_init, push_init_level): Update.
10635         (pop_init_level): Update.  Return struct c_expr.
10636         (process_init_level): Update.  Take struct c_expr argument.
10637
10638 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
10639
10640         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
10641         commit.
10642
10643 2004-07-21  Eric Christopher  <echristo@redhat.com>
10644
10645         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
10646         removal.
10647         * c-decl.c (pop_scope): Ditto.
10648         * calls.c (expand_call): Remove call to current_nesting_level,
10649         update comment accordingly. Remove calls to expand_start_target_temps
10650         and expand_end_target_temps.
10651         * cfgexpand.c (construct_init_block): Remove call to
10652         expand_start_bindings_and_block.
10653         (construct_exit_block): Remove call to expand_end_bindings.
10654         * expr.c (safe_from_p): Remove BIND_EXPR handling.
10655         (expand_expr_real_1): Ditto. Fix formatting.
10656         (expand_vars): Delete.
10657         * stmt.c (POPSTACK): Remove block_stack.
10658         (stmt_status): Remove x_block_stack.
10659         (block_stack): Delete.
10660         (expand_start_bindings_and_block): Ditto.
10661         (expand_start_target_temps): Ditto.
10662         (expand_end_target_temps): Ditto.
10663         (current_nesting_level): Ditto.
10664         (warn_about_unused_variables): Ditto.
10665         (expand_end_bindings): Ditto.
10666         * tree.h: Remove declarations for above.
10667
10668 2004-07-21  Steven Bosscher  <stevenb@suse.de>
10669
10670         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
10671         * rtl.c (note_insn_name): Likewise.
10672         * print-rtl.c (print_rtx): Don't print it.
10673         * cfgrtl.h (can_delete_note_p): Don't handle it.
10674         (rtl_delete_block): Likewise.
10675         * passes.c (rest_of_handle_guess_branch_prob): Remove.
10676         (rest_of_compilation): Don't call it.
10677         * predict.c (process_note_predictions, process_note_prediction,
10678         note_prediction_to_br_prob): Remove.
10679         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
10680         * stmt.c (return_prediction): Remove.
10681         (expand_value_return): Don't call it.  Don't add prediction
10682         notes for return statements.
10683
10684 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
10685
10686         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
10687         once.
10688
10689 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
10690
10691         * c-common.c (vector_types_convertible_p): Use vector types'
10692         TYPE_SIZE and TREE_TYPE instead of their mode.
10693         * convert.c (convert_to_integer): Likewise.
10694         (convert_to_vector): Likewise.
10695         * fold-const.c (fold_convert): Likewise.
10696         * varasm.c (output_constant): Likewise.
10697         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
10698         Allow a VECTOR_TYPE initializer to be made of several vectors.
10699         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
10700         of cleared and need_to_clear, and use fold_convert.
10701         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
10702         integer vectors.
10703
10704 2004-07-20  Richard Henderson  <rth@redhat.com>
10705
10706         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
10707         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
10708
10709 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
10710
10711         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
10712         enormous cost if not TARGET_HARD_MUL.
10713
10714 2004-07-20  Andrew Pinski  <apinski@apple.com>
10715
10716         PR target/16557
10717         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
10718         (ASM_SPEC): here.
10719
10720 2004-07-21  Paul brook  <paul@codesourcery.com>
10721
10722         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
10723
10724 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10725
10726         * fold-const.c (operand_equal_p): Temporarily support NULL args.
10727         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
10728         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
10729
10730 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
10731
10732         * rtl.h (plus_constant): Delete.
10733         (plus_constant_wide): Rename to plus_constant.
10734         (plus_constant_for_output_wide): Delete vestigial prototype.
10735         (GEN_INT): Remove unnecessary cast.
10736         * tree.h (build_int_2, size_int_type): Delete.
10737         (build_int_2_wide): Rename to build_int_2.
10738         (size_int_wide): Rename to size_int_kind.
10739         (size_int_type_wide): Rename to size_int_type.
10740         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
10741         Remove unnecessary cast.
10742         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
10743         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
10744         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
10745         (size_int_type_wide): Rename size_int_type.
10746         (int_const_binop): Use size_int_type.
10747         * c-lex.c (interpret_integer): Use build_int_2.
10748         * final.c (split_double): Remove unnecessary casts.
10749         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
10750
10751 2004-07-20  Richard Henderson  <rth@redhat.com>
10752
10753         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
10754         (gimplify_compound_lval): Use is_gimple_tmp_reg.
10755         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
10756         (is_gimple_tmp_reg): New.
10757         * tree-gimple.h (is_gimple_tmp_reg): Declare.
10758
10759 2004-07-20  Richard Henderson  <rth@redhat.com>
10760
10761         * tree-pretty-print.c (dump_generic_node): Dump
10762         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
10763
10764 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
10765
10766         * tree-mudflap.c (mf_set_options_fndecl): New tree.
10767         (mudflap_init): Set it.
10768         (mudflap_register_call): Remove __mf_init call.
10769         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
10770         to pass "-ignore-reads" option to libmudflap if needed.
10771
10772 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
10773
10774         PR c++/14607
10775         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
10776         (MAKE_DECL_ONE_ONLY): Undefine.
10777         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
10778         readonly_data, one_only_data_section, forget_section): New prototypes.
10779         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
10780         functions.
10781         (pa_select_section): Add one-only (COMDAT) support.
10782         * pa.h (struct machine_function): Define.
10783         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
10784         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
10785         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
10786         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
10787         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
10788         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
10789         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
10790         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
10791         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
10792         for EXTRA_SECTION_FUNCTIONS.
10793         * doc/install.texi: Update binutils requirements.
10794
10795 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
10796
10797         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
10798         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
10799         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
10800         size_t.
10801         (struct VEC): Use unsigned for num and alloc.
10802         * vec.c (struct vec_prefix): Likewise.
10803         (vec_o_reserve): Adjust.
10804
10805         * dbxout.c (dbxout_type): Fix printf format.
10806
10807         * tree.h (binfo_member): Remove.
10808         * tree.c (binfo_member): Remove.
10809
10810 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
10811
10812         * tree.h: Include vec.h
10813         (DEF_VEC_P(tree)): New type.
10814         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
10815         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
10816         (BINFO_LANG_SLOT): Remove.
10817         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
10818         (struct tree_binfo): Turn base_binfos into a trailing
10819         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
10820         (binfo_lang_slots): Remove.
10821         * tree.c (binfo_lang_slots): Remove.
10822         (make_tree_binfo_stat): Take a base binfo count, not a
10823         lang slot count.  Adjust.
10824         * Makefile.in (TREE_H): Add vec.h
10825         * alias.c (record_component_aliases): Adjust BINFO access.
10826         * dbxout.c (dbxout_type): Likewise.
10827         * dwarf2out.c (gen_member_die): Likewise.
10828         * sdbout.c (sdbout_one_type): Likewise.
10829         * tree-dump.c (deque_and_dump): Likewise.
10830         * config/i386/i386.c (classify_argument,
10831         contains_128bit_aligned_vector_p): Likewise.
10832         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
10833         * doc/c-tree.texi (Classes): Update BINFO documentation.
10834
10835 2004-07-20  Steven Bosscher  <stevenb@suse.de>
10836
10837         * c-common.h (check_case_value): Remove prototype.
10838         (c_add_case_label): Adjust prototype.
10839         * c-common.c (check_case_value): Make static.
10840         (check_case_bounds): New function.
10841         (c_add_case_label): Use it.  Take new argument orig_type.
10842         * c-typeck.c (struct c_switch): New orig_type field.
10843         (c_start_case): Set it.
10844         (do_case): Pass it to c_add_case_label.
10845         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
10846         cases from here.  Add the labels in reverse order.
10847         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
10848         (add_case_node): Return nothing, don't check for duplicate cases.
10849         Insert new case nodes in a list, not in an AVL tree.
10850         (expand_end_case_type): Don't turn a case tree into a case list.
10851         (case_tree2list): Remove.
10852         * tree.h (add_case_node): Adjust prototype.
10853
10854 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
10855
10856         * genattr.c (struct range, struct function_unit,
10857         write_units, extend_range, init_range): Remove them.
10858         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
10859         Output "#define INSN_SCHEDULING" here.
10860         * genattrtab.c (struct range, struct function_unit_op,
10861         struct function_unit, struct dimension, enum operator,
10862         operate_exp, expand_units, simplify_knowing,
10863         encode_units_mask, simplify_by_exploding,
10864         find_and_mark_used_attributes, unmark_used_attributes,
10865         add_values_to_cover, increment_current_value,
10866         test_for_current_value, simplify_with_current_value,
10867         simplify_with_current_value_aux, gen_unit,
10868         write_unit_name, write_function_unit_info,
10869         write_complex_function, write_toplevel_expr,
10870         find_single_value, extend_range): Remove.
10871         (write_attr_get): Do not handle common_av->value
10872         being an FFS.
10873         (struct attr_desc): Remove func_units_p and blockage_p.
10874         (write_attr_valueq): Do not handle them.
10875         (find_attr): Do not clear them.
10876         (make_internal_attr): Do not initialize them.
10877         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
10878         * sched-vis.c (init_target_units, insn_print_units,
10879         init_block_visualization, print_block_visualization,
10880         visualize_scheduled_insns, visualize_no_unit,
10881         visualize_stall_cycles, visualize_alloc,
10882         visualize_free, target_units, get_visual_tbl_length,
10883         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
10884         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
10885         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
10886         * haifa-sched.c (blockage_range, clear_units,
10887         schedule_unit, actual_hazard, potential_hazard,
10888         insn_unit, unit_last_insn, unit_tick,
10889         actual_hazard_this_instance, potential_hazard,
10890         schedule_unit, max_insn_queue_index_value): Remove.
10891         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
10892         max_insn_queue_index.
10893         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
10894         * doc/md.texi (Processor pipeline description): Remove
10895         references to old pipeline descriptions.
10896         (Automaton pipeline description): Merge with the above.
10897         (Old pipeline description, Comparison of the two descriptions):
10898         Remove.
10899
10900         * bt-load.c (migrate_btr_def): Remove references to
10901         use_pipeline_interface.
10902         * haifa-sched.c (insn_cost, schedule_insn,
10903         schedule_block, advance_one_cycle, sched_init,
10904         queue_to_ready, sched_finish): Likewise.
10905         * modulo-sched.c (sms_schedule, advance_one_cycle,
10906         ps_has_conflicts): Likewise.
10907         * sched-rgn.c (init_ready): Likewise.
10908         (debug_dependencies): Likewise, and remove an "if (1)".
10909         * target.h (use_dfa_pipeline_interface): Remove.
10910         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10911         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10912         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10913         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10914         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10915         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10916         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10917         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10918         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10919         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10920         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10921         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10922         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10923         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10924         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10925         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10926         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10927         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10928         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
10929
10930 2004-07-19  Roger Sayle  <roger@eyesopen.com>
10931
10932         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
10933
10934 2004-07-19  Jeff Law  <law@redhat.com>
10935
10936         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
10937         (get_eq_expr_value): Use it.  Simplify slightly.
10938
10939 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
10940
10941         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
10942         (umulsidi3_32bit_r4000): Likewise.
10943
10944 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
10945
10946         * vec.h: Propagate location information properly.
10947         (VEC_T_iterate): Add result pointer parameter.
10948         (VEC_T_space): New.
10949         (VEC_T_reserve): Use it.
10950
10951 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
10952
10953         * Makefile.in (c-format.o): Depend on c-format.h.
10954         * c-format.h: New file.
10955         (struct format_char_info): Add CHAIN member.
10956         * c-format.c: Move some types and constants to c-format.h.
10957         (format_type_error): Set to -1.
10958         (struct function_format_info): Use an int for format_type.
10959         (decode_format_type): Return an int.  Return format_type_error
10960         on error.
10961         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
10962         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
10963         (scan_char_table, time_char_table, monetary_char_table): Initialize
10964         CHAIN to NULL.
10965         (n_format_types): New variable.
10966         (check_format_info_main): Handle CHAIN in format_char_info.
10967         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
10968         TARGET_N_FORMAT_TYPES.
10969         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
10970         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
10971         * config/sol2-c.c: New file.
10972         * config/t-sol2: New file.
10973         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
10974         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
10975         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
10976
10977         * doc/extend.texi (Target Format Checks): New section.
10978         (Function Attributes): Mention it.
10979         * doc/invoke.texi: Mention target format checks.
10980         * doc/sourcebuild.texi: Mention target format checks.
10981         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
10982         TARGET_FORMAT_TYPES.
10983
10984 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
10985
10986         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
10987         added.
10988         * config/s390/s390.c (regclass_map initializer): Register 35 added to
10989         ADDR_REGS.
10990         (load_multiple_operation, store_multiple_operation): Removed
10991         pointless sanity check.
10992         (s390_decompose_address): Added check for return_address_pointer_rtx.
10993         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
10994         (s390_return_address_offset): New function.
10995         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
10996         (FRAME_REGNO_P): Added check for register 35.
10997         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
10998         REG_ALLOC_ORDER): Appended entry for register 35.
10999         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
11000         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
11001         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
11002         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
11003         is eliminable using stack pointer or hard frame pointer.
11004         (REGISTER_NAMES): Added name for register 35.
11005         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
11006         pointless sanity check.
11007
11008 2004-07-19  Roger Sayle  <roger@eyesopen.com>
11009
11010         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
11011         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
11012         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
11013         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
11014         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
11015         (fold_relational_const): Tidy up handling of floating point
11016         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
11017         transformation; fold_relational_const assumes constant operands.
11018
11019 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
11020
11021         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
11022         directory.
11023
11024 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
11025
11026         * c-tree.h (struct c_expr): Define.
11027         (C_SET_EXP_ORIGINAL_CODE): Remove.
11028         (parser_build_binary_op, build_compound_expr): Update prototypes.
11029         * c-parse.in (%union): Add exprtype.
11030         (FUNC_NAME): Mark as ttype.
11031         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
11032         exprtype.
11033         (expr): Update.  Define directly in terms of expr_no_commas
11034         instead of using nonnull_exprlist.
11035         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
11036         offsetof_member_designator, typespec_nonreserved_nonattr, init,
11037         initval, designator, component_declarator,
11038         component_notype_declarator, enumerator, array_declarator,
11039         condition, exexpr, switch_statement, stmt_nocomp, stmt,
11040         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
11041         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
11042         where appropriate.
11043         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
11044         * c-common.c (c_common_truthvalue_conversion): Don't check
11045         C_EXP_ORIGINAL_CODE.
11046         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
11047         Don't use C_EXP_ORIGINAL_CODE.
11048         (default_conversion, default_function_array_conversion): Don't use
11049         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
11050         (internal_build_compound_expr): Merge into build_compound_expr.
11051         (build_compound_expr): Take two operands instead of a TREE_LIST.
11052         * objc/objc-act.c (get_super_receiver): Update calls to
11053         build_compound_expr.
11054
11055 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
11056
11057         * config/sh/sh.c (sh_use_dfa_interface): Remove.
11058         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
11059         hook_int_void_1.
11060         * config/sh/sh.md: Extract pipeline descriptions
11061         into separate files.
11062         * config/sh/sh1.md: New file, extracted from sh.md.
11063         * config/sh/sh4.md: New file, extracted from sh.md.
11064         * config/sh/shmedia.md: New file, extracted from sh.md
11065         and rewritten using new-style pipeline description.
11066
11067 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
11068
11069         * config/pa/pa.md: Delete the two remaining define_peephole
11070         patterns.
11071
11072 2004-07-18  Steven Bosscher  <stevenb@suse.de>
11073             Joseph S. Myers  <jsm@polyomino.org.uk>
11074
11075         * c-common.c (c_common_truthvalue_conversion): Don't warn if
11076         TREE_NO_WARNING is set.
11077
11078 2004-07-18  Roger Sayle  <roger@eyesopen.com>
11079
11080         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
11081         simplify_builtin_strncmp): Delete.
11082         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
11083         Change argument to accept an arglist instead of an "exp".  Assume
11084         that the return type is always integer_type_node.  Copy missing
11085         transformations from their now obsolete simplify_builtin_*
11086         equivalents.
11087         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
11088         fold_builtin_strcmp and fold_builtin_strncmp.
11089         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
11090         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
11091         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
11092
11093 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
11094
11095         * Makefile.in (tree-alias-common.o): Update dependencies.
11096
11097 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
11098
11099         * cfgloop.c (flow_loop_nested_p): Fix comment.
11100
11101 2004-07-17  Jason Merrill  <jason@redhat.com>
11102
11103         PR c++/16115
11104         * stor-layout.c (relayout_decl): New fn.
11105         * tree.h: Declare it.
11106         (DECL_BY_REFERENCE): New macro.
11107
11108 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
11109
11110         * libgcc2.c (__enable_execute_stack): New symbol.
11111         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
11112         and declare __enable_execute_stack.
11113         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
11114         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
11115         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11116         ENABLE_EXECUTE_STACK.
11117         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
11118         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11119         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11120         ENABLE_EXECUTE_STACK.
11121         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11122         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
11123         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11124         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11125         ENABLE_EXECUTE_STACK.
11126         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11127         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11128         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11129         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11130         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
11131         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11132         (sparc64_initialize_trampoline): Likewise.
11133         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
11134
11135 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
11136
11137         * langhooks.h (builtin_function): New langhook.
11138         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
11139         (LANG_HOOKS_INITIALIZER): Update.
11140         * tree.h (builtin_function): Remove.
11141         * doc/tm.texi: Update.
11142         * c-tree.h (builtin_function): Declare.
11143         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
11144         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
11145         config/ia64/ia64.c, config/iq2000/iq2000.c,
11146         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
11147         config/stormy16/stormy16.c: All callers of builtin_function
11148         changed.
11149
11150 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
11151
11152         PR target/16556
11153         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
11154         Remove white space after the backslash.
11155
11156 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
11157
11158         PR rtl-optimization/16294
11159         * resource.c (return_insn_p): New predicate.
11160         (mark_target_live_regs): Use it.  Special-case return insns.
11161         (init_resource_info): Use it.  Don't scan the epilogue past
11162         a return.
11163
11164 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11165
11166         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
11167         destroy dominance information.
11168         * passes.c (rest_of_handle_loop2):  Free dominance information.
11169         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
11170         jump threading.
11171         (thread_jumps): Update dominance information and remove unreachable
11172         blocks.
11173         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
11174         information and remove the unreachable block.
11175
11176 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
11177
11178         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
11179
11180 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
11181
11182         * doc/sourcebuild.texi: Remove libf2c entry.
11183
11184 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
11185
11186         * config/i386/i386.md (movv16qi_internal): Fix typo.
11187
11188 2004-07-17  Steven Bosscher  <stevenb@suse.de>
11189
11190         * final.c (final_scan_insn): Fix broken commit from previous
11191         patch.
11192
11193 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
11194
11195         * c-typeck.c (parser_build_binary_op): Condition warnings for
11196         X<=Y<=Z on -Wparentheses instead of -Wextra.
11197         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
11198         supported for C only.
11199
11200 2004-07-17  Steven Bosscher  <stevenb@suse.de>
11201
11202         * cfgcleanup.c (try_simplify_condjump): Don't remove line
11203         notes to avoid unreachable code warnings.
11204         * toplev.c (backend_init): Don't emit line notes for
11205         unreachable code warnings.
11206
11207         * combine.c (distribute_notes): Don't distribute a
11208         REG_VTABLE_REF note.
11209         * final.c (final_scan_insn): Don't handle it.
11210         * rtl.c (reg_note_name): Remove it.
11211         * rtl.h (enum reg_node): Dito.
11212
11213         * emit-rtl.c (force_line_numbers, restore_line_number_status):
11214         Remove.
11215         * rtl.h (force_line_numbers, restore_line_number_status):
11216         Remove prototypes.
11217
11218         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
11219         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
11220         (using_eh_for_cleanups): Also moved here.
11221
11222         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
11223         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
11224         to expand_start_case and add_case_node.
11225         * stmt.c (struct nesting): Cleanup unused fields condition_code,
11226         last_unconditional_cleanup, nominal_type, printname, and
11227         line_number_status.
11228         (struct fixup_goto): Remove.
11229         (struct stmt_status): Remove x_goto_fixup_chain field.
11230         (goto_fixup_chain): Remove.
11231         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
11232         pushcase, pushcase_range): Remove.
11233         (expand_start_bindings_and_block): Don't set unused fields in
11234         the nesting stack.
11235         (expand_start_case, add_case_node): Cleanup unused formal arguments.
11236         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
11237         instead of emit_jump_if_reachable.
11238         (emit_case_nodes): Likewise.
11239         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
11240         static.
11241         (update_eh_label): Work around left-over exception handing regions.
11242         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
11243         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
11244         (pass_cleanup_cfg_post_optimizing): New pass.
11245         (init_tree_optimization_passes): Run the new pass after all
11246         optimizations.
11247         * tree.h (pushcase, pushcase_range): Remove prototypes.
11248         (expand_start_case, add_case_node): Update prototypes.
11249
11250 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
11251
11252         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
11253
11254 2004-07-16  Richard Henderson  <rth@redhat.com>
11255
11256         * builtins.c (std_expand_builtin_va_arg): Remove.
11257         (expand_builtin_va_arg): Remove.
11258         * expr.h: Don't declare them.
11259         * gimplify.c (mark_decls_volatile_r): Remove.
11260         (copy_if_shared_r): Don't call it.
11261         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
11262         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
11263         * gimple-low.c (lower_stmt): Likewise.
11264         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
11265         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
11266         * tree-ssa-operands.c (get_expr_operands): Likewise.
11267         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
11268         EXPAND_BUILTIN_VA_ARG.
11269         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
11270         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
11271         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
11272         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
11273
11274 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
11275
11276         * tree-ssa-pre.c (insert_aux): Break out if we hit
11277         a critical edge.
11278
11279 2004-07-16  Richard Henderson  <rth@redhat.com>
11280
11281         * basic-block.h (remove_fake_exit_edges): Declare.
11282         * cfganal.c (remove_fake_predecessors): Rename from
11283         remove_fake_successors; iterate over predecessors.
11284         (remove_fake_exit_edges): New.
11285         * cfgcleanup.c (try_optimize_cfg): Use it.
11286         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
11287         * predict.c (estimate_probability): Likewise.
11288         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
11289         * tree-cfg.c (make_edges): Likewise.
11290         * tree-ssa-pre.c (fini_pre): Likewise.
11291         * profile.c (instrument_edges): Don't remove_fake_edges.
11292         (branch_prob): Do it earlier here.
11293
11294 2004-07-16  Richard Henderson  <rth@redhat.com>
11295
11296         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
11297         switchification wrt CONSTRUCTOR.  Document the reason.
11298
11299 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
11300
11301         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
11302         that prevented descriptive __mf_check source location strings.
11303
11304 2004-07-16  Richard Henderson  <rth@redhat.com>
11305
11306         * tree-def (WITH_SIZE_EXPR): New.
11307         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
11308         * expr.c (expand_expr_real_1): Likewise.
11309         * gimplify.c (maybe_with_size_expr): New.
11310         (gimplify_arg, gimplify_modify_expr): Use it.
11311         (gimplify_modify_expr_to_memcpy): Take size parameter.
11312         (gimplify_modify_expr_to_memset): Likewise.
11313         (gimplify_expr): Handle WITH_SIZE_EXPR.
11314         * tree-alias-common.c (find_func_aliases): Likewise.
11315         * tree-eh.c (tree_could_trap_p): Likewise.
11316         (tree_could_throw_p): Likewise.
11317         * tree-gimple.c (is_gimple_lvalue): Likewise.
11318         (get_call_expr_in): Likewise.
11319         * tree-inline.c (estimate_num_insns_1): Likewise.
11320         (expand_calls_inline): Likewise.
11321         * tree-nested.c (convert_call_expr): Likewise.
11322         * tree-pretty-print.c (dump_generic_node): Likewise.
11323         * tree-sra.c (sra_walk_expr): Likewise.
11324         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
11325         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
11326         * tree-ssa-operands.c (get_expr_operands): Likewise.
11327         * tree-tailcall.c (find_tail_calls): Likewise.
11328
11329         * calls.c (expand_call): Reset old_stack_allocated after
11330         calling emit_stack_restore.
11331
11332 2004-07-16  Richard Henderson  <rth@redhat.com>
11333
11334         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
11335         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
11336         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
11337         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11338         copy_res_decl_for_inlining.
11339
11340         * tree-inline.c (declare_return_variable): New modify_dest argument.
11341         Use it as the return value, when possible or manditory.  Handle
11342         TREE_ADDRESSABLE types.
11343         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
11344         replacement of CALL_EXPR.
11345
11346 2004-07-16  Richard Henderson  <rth@redhat.com>
11347
11348         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
11349         * gimple-low.c (expand_var_p): Don't check it.
11350         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
11351         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
11352         * tree-ssa-operands.c (add_stmt_operand): Likewise.
11353         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
11354         (find_referenced_vars): Don't call them.
11355         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
11356
11357 2004-07-16  Richard Henderson  <rth@redhat.com>
11358
11359         * function.c (pass_by_reference): True for all variable sized types.
11360
11361 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
11362
11363         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
11364         * tree-pretty-print.c: Include tree-chrec.h.
11365         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
11366         and POLYNOMIAL_CHREC nodes.
11367
11368 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
11369
11370         * builtins.c (expand_builtin_stpcpy): Do not create temporary
11371         reg with VOIDmode.
11372
11373 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
11374
11375         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
11376
11377 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
11378
11379         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
11380         to BASE_REGNUM.
11381         * config/s390/s390.c: Likewise.
11382         * config/s390/s390.h: Likewise.
11383
11384 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11385
11386         * config/mips/mips.md (addsi3, adddi3): Remove special handling
11387         of $sp adds.  Remove REGNO checks from mips16 patterns.
11388
11389 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11390
11391         * config/mips/mips.md: Delete outdated comment.
11392
11393 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11394
11395         * config/mips/mips.c (get_float_compare_codes): Delete.
11396         (mips_emit_compare): New function, mostly extracted from
11397         get_float_compare_codes and gen_conditional_branch.
11398         (gen_conditional_branch, gen_conditional_move): Use it.
11399
11400 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
11401
11402         * genautomata.c (add_vect): Speedup by using integers as
11403         bit-vectors for walking through the comb_vect and finding
11404         a match.
11405
11406 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11407
11408         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
11409         operand is an uns_arith_operand; use subtraction otherwise.
11410         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
11411         not just arith_operands.
11412
11413 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11414
11415         * config/mips/mips-protos.h (gen_int_relational): Delete.
11416         (mips_emit_scc): Declare.
11417         * config/mips/mips.c (internal_test): Delete.
11418         (sle_operand, sleu_operand): New functions.
11419         (map_test_to_internal_test, gen_int_relational): Delete.
11420         (mips_emit_binary, mips_relational_operand_ok_p)
11421         (mips_emit_int_relational, mips_zero_if_equal)
11422         (mips_emit_scc): New functions.
11423         (gen_conditional_branch): Rework to use mips_emit_int_relational.
11424         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
11425         sleu_operand.
11426         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11427         (sltu, sleu): Use mips_emit_scc.
11428         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
11429         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
11430         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
11431
11432 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11433
11434         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
11435
11436 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11437
11438         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
11439         (*sne_[sd]i): Likewise sne_[sd]i_zero.
11440         (*sgt_[sd]i): ...and sgt_[sd]i.
11441         (*slt_[sd]i): ...and slt_[sd]i.
11442         (*sgtu_[sd]i): ...and sgtu_[sd]i.
11443         (*sltu_[sd]i): ...and sltu_[sd]i.
11444         (*sleu_[sd]i): ...and sleu_[sd]i_const.
11445         Name previously unnamed mips16 patterns.  Formatting fixes.
11446
11447 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11448
11449         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
11450         (branch_type): Delete.
11451         (gen_conditional_branch, gen_conditional_move)
11452         (mips_gen_conditional_trap): Update after name change.  Get the
11453         comparison mode from cmp_operands[0].
11454         * config/mips/mips.h (cmp_type, branch_type): Delete.
11455         (cmp_operands): Renamed from branch_cmp.
11456         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
11457         name change.  Don't set branch_type.
11458         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
11459         mode class of cmp_operands[0] rather than branch_type.  Update after
11460         name change.
11461
11462 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11463
11464         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
11465         of 0...255 to 0 when inside a SET.
11466
11467 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11468
11469         * config/mips/mips.md: Remove mips16 define_peepholes.
11470
11471 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
11472
11473         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
11474         (fini_pre): Remove fake edges.
11475
11476 2004-07-15  Richard Henderson  <rth@redhat.com>
11477
11478         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
11479         (get_indirect_ref_operands, get_call_expr_operands): ... these.
11480
11481 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
11482
11483         * vec.h (VEC_address): New function.
11484
11485 2004-07-14  Jason Merrill  <jason@redhat.com>
11486
11487         PR middle-end/15885
11488         * gimplify.c (gimplify_arg): New fn, split out from...
11489         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
11490
11491 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
11492
11493         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
11494         generate code which is generated by pushqi1 now
11495         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
11496
11497 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
11498
11499         * combine.c (simplify_set): match the mode of the constant 0 with
11500         the tested operand to match the compare behaviour and the
11501         simplify_relational_operation() expectation.
11502
11503 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
11504
11505         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
11506         ("bordered"): Same.
11507
11508 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
11509
11510         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
11511         unconditionally.
11512         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
11513
11514 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
11515
11516         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
11517         calls in mips16 code.
11518
11519 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
11520
11521         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
11522         the destination of the li as well as for the neg.
11523
11524 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
11525
11526         g++/15861
11527         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
11528         * cgraph.h: Update declaration.
11529         * c-decl.c (build_cdtor): Update call with default priority.
11530         * coverage.c (create_coverage): Ditto.
11531         * tree-mudflap.c (mf_init_fndecl): New tree.
11532         (mudflap_init): Set it.
11533         (mudflap_register_call): Arrange to call __mf_init before the first
11534         __mf_register call.
11535         (mudflap_finish_file): Mark the mudflap static initializer as extra
11536         high priority, to beat all C++ static constructors.
11537
11538 2004-07-15  Jeff Law  <law@redhat.com>
11539
11540         * loop.c (check_insn_for_givs): Restore check for code labels that was
11541         accidentally deleted by a recent checkin.
11542
11543 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
11544
11545         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
11546         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
11547
11548 2004-07-14  Richard Henderson  <rth@redhat.com>
11549
11550         * print-tree.c (print_node): Fix casts last change.
11551
11552 2004-07-15  Paul Brook  <paul@codesourcery.com>
11553
11554         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
11555         to TARGET_UNWIND_INFO.
11556         * except.c (output_function_exception_table): Ditto.
11557         * except.h: Ditto.
11558         * opts.c (decode_options): Ditto.
11559         * passes.c (rest_of_handle_final): Ditto.
11560         * final.c (final_start_function): Ditto.
11561         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
11562         target hook.
11563         * targhooks.h (default_unwind_emit): Declare.
11564         * targhooks.c (default_unwind_emit): New function.
11565         * target-def.h: Define and use TARGET_UNWIND_EMIT.
11566         * target.h (struct gcc_target): Add unwind_emit.
11567         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
11568         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
11569         Remove IA64_UNWIND_EMIT.
11570         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
11571
11572 2004-07-14  Richard Henderson  <rth@redhat.com>
11573
11574         * print-tree.c (print_node): Handle SSA_NAME.
11575
11576 2004-07-14  James E Wilson  <wilson@specifixinc.com>
11577
11578         PR target/16325
11579         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
11580         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
11581
11582 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
11583
11584         * expr.c (expand_assignment): Reenable bitfield += optimizations.
11585         Use alias set 0 for memory, do proper mode calculations and adjust
11586         address for memories.
11587
11588 2004-07-14  Per Bothner  <per@bothner.com>
11589
11590         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
11591         structure with extra column field.
11592         * tree.c (expand_location):  Also fill in column field.
11593         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
11594         gets confused by the two conditionally-compiled definitions.
11595
11596 2004-07-14  Eric Christopher  <echristo@redhat.com>
11597
11598         * calls.c (expand_call): Fix typo in comment.
11599
11600 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
11601
11602         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
11603         comparision of TFmode.
11604
11605 2004-07-14  Richard Henderson  <rth@redhat.com>
11606
11607         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
11608         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
11609         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
11610         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11611         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11612         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
11613         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
11614         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11615         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11616
11617 2004-07-14  Mike Stump  <mrs@apple.com>
11618
11619         * config/darwin.h (WINT_TYPE): Define to be int to match
11620         system header files.
11621
11622 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
11623
11624         * config/xtensa/xtensa.c (function_arg_advance): Check for args
11625         that must be passed in the stack.
11626         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
11627         arguments if the size is not a constant.
11628
11629 2004-07-14  Per Bothner  <per@bothner.com>
11630
11631         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
11632         instead of EXPR_LOCUS in a boolean context, which is always true
11633         if --enable-mapped-location.
11634         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
11635
11636 2004-07-14  Richard Henderson  <rth@redhat.com>
11637
11638         * dominance.c (struct dom_info): Add fake_exit_edge.
11639         (init_dom_info): Allocate it.
11640         (free_dom_info): Free it.
11641         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
11642         in two passes.
11643         (calc_idoms): Honor fake_exit_edge.
11644
11645 2004-07-13  Jason Merrill  <jason@redhat.com>
11646
11647         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
11648         (rhs_test_for): New fn.
11649         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
11650         * tree-gimple.h: Declare them.
11651         * gimplify.c (gimplify_modify_expr): Use the new fns.
11652
11653 2004-07-14  Richard Henderson  <rth@redhat.com>
11654
11655         * config/arm/arm-protos.h (arm_va_arg): Remove.
11656         * config/arm/arm.c (arm_va_arg): Remove.
11657         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
11658         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
11659
11660 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11661
11662         * pa.c (fix_range): New function to mark a range(s) of registers as
11663         fixed registers.
11664         (override_options): Call fix_range if the -mfixed-range option string
11665         is not empty.
11666         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
11667         * doc/invoke.texi (-mfixed-range): Document new option.
11668
11669 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
11670
11671         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
11672         for TARGET_64BIT.
11673         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
11674
11675 2004-07-14  Roger Sayle  <roger@eyesopen.com>
11676
11677         * expmed.c (expand_sdiv_pow2): New function to expand signed division
11678         by a positive power of two, split out from expand_divmod.  Provide
11679         an alternate implementation when shifts are expensive.  Lower the
11680         threshold for using a branchless implementation to BRANCH_COST >= 2.
11681         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
11682
11683 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
11684
11685         * tree-dfa.c (make_rename_temp): *Really* work just
11686         like create_tmp_var if called while outside SSA form.
11687
11688 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11689
11690         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
11691         for division by zero.
11692         ("umodsi3"): Likewise.
11693
11694 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
11695
11696         * config/mips/mips.c (mips_output_move): When generating mips16 code,
11697         force loads of negative constants to be split.
11698         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
11699         Generalize SImode li/neg splitter to cope with other modes.
11700
11701 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
11702
11703         * expmed.c: Remove more references to QUEUED in the comments.
11704         * expr.c: Likewise.
11705
11706 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
11707
11708         Revert:
11709         2004-07-13  Richard Henderson  <rth@redhat.com>
11710         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
11711         correctly.
11712
11713 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
11714
11715         * tree-dfa.c (make_rename_temp): Work just like
11716         create_tmp_var if called while outside SSA form.
11717
11718 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
11719
11720         * expr.c (enqueue_insn, finish_expr_for_function,
11721         protect_from_queue, queued_subexp_p, mark_queue,
11722         emit_insns_enqueued_after_mark, emit_queue,
11723         expand_increment): Remove.
11724         (store_constructor): Expand increment as an assignment.
11725         (expand_expr_real_1 <case PREINCREMENT_EXPR,
11726         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
11727         case POSTDECREMENT_EXPR>): Abort.
11728         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
11729         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
11730         protect_from_queue, emit_queue, queued_subexp_p): Remove.
11731         * function.h (pending_chain, x_pending_chain): Remove.
11732         * rtl.def (QUEUED): Remove.
11733
11734         * emit-rtl.c (copy_insn_1, copy_most_rtx,
11735         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
11736         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
11737         encode_units_mask): Likewise.
11738         * local-alloc.c (equiv_init_varies_p): Likewise.
11739         * rtl.c (copy_rtx): Likewise.
11740         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
11741         * simplify-rtx.c (simplify_gen_subreg): Likewise.
11742         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
11743
11744         * builtins.c (expand_builtin, expand_builtin_apply,
11745         expand_builtin_mathfn, expand_builtin_mathfn_2,
11746         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
11747         Remove calls to emit_queue and protect_from_queue.
11748         * calls.c (expand_call, precompute_arguments,
11749         precompute_register_parameters, rtx_for_function_call,
11750         store_one_arg): Likewise.
11751         * dojump.c (do_compare_and_jump, do_jump): Likewise.
11752         * explow.c (memory_address): Likewise.
11753         * expmed.c (clear_by_pieces_1, clear_storage,
11754         clear_storage_via_libcall, emit_group_load,
11755         emit_group_store, emit_store_flag,
11756         expand_expr_real_1, store_by_pieces,
11757         store_constructor, store_expr, try_casesi,
11758         try_tablejump): Likewise.
11759         * function.c (expand_pending_sizes): Likewise.
11760         * optabs.c (emit_cmp_and_jump_insns,
11761         emit_conditional_add, emit_conditional_move,
11762         expand_fix, expand_float, prepare_cmp_insn): Likewise.
11763         * stmt.c (emit_case_bit_tests,
11764         expand_asm_expr, expand_computed_goto,
11765         expand_decl_init, expand_end_case_type,
11766         expand_end_stmt_expr, expand_expr_stmt_value,
11767         expand_return, expand_start_case,
11768         optimize_tail_recursion): Likewise.
11769         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
11770         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
11771
11772 2004-07-14  Ben Elliston  <bje@au.ibm.com>
11773
11774         * vec.h: Comment fix.
11775
11776 2004-07-13  Richard Henderson  <rth@redhat.com>
11777
11778         * target.h (struct gcc_target): Add calls.pass_by_reference.
11779         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
11780         * function.c (pass_by_reference): Use the hook.
11781         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
11782         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
11783         (hook_pass_by_reference_must_pass_in_stack): New.
11784         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
11785         (alpha_pass_by_reference): New.
11786         (TARGET_PASS_BY_REFERENCE): New.
11787         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11788         * config/arc/arc.c (arc_pass_by_reference): New.
11789         (TARGET_PASS_BY_REFERENCE): New.
11790         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11791         (FUNCTION_ARG_CALLEE_COPIES): True.
11792         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
11793         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
11794         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
11795         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11796         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11797         * config/cris/cris.c (cris_pass_by_reference): New.
11798         (TARGET_PASS_BY_REFERENCE): New.
11799         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
11800         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
11801         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11802         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
11803         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11804         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
11805         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
11806         (frv_function_arg_pass_by_reference): Remove.
11807         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11808         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
11809         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
11810         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
11811         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11812         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
11813         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
11814         (ia64_pass_by_reference): Rename from
11815         ia64_function_arg_pass_by_reference.
11816         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11817         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11818         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
11819         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
11820         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
11821         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11822         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
11823         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
11824         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
11825         (m32r_pass_by_reference): Adjust prototype.  Make static.
11826         Handle mode sizes correctly.
11827         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11828         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
11829         (m68hc11_function_arg_pass_by_reference): Remove.
11830         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11831         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
11832         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
11833         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11834         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
11835         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
11836         (mips_va_arg): Use pass_by_reference.
11837         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
11838         Handle mode sizes correctly.
11839         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11840         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
11841         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
11842         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
11843         (mmix_pass_by_reference): Rename from
11844         mmix_function_arg_pass_by_reference.
11845         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11846         (FUNCTION_ARG_CALLEE_COPIES): True.
11847         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
11848         (mn10300_pass_by_reference): New.
11849         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11850         (FUNCTION_ARG_CALLEE_COPIES): True.
11851         * config/pa/pa.c (pa_pass_by_reference): New.
11852         (TARGET_PASS_BY_REFERENCE): New.
11853         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11854         (FUNCTION_ARG_CALLEE_COPIES): True.
11855         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
11856         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
11857         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
11858         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11859         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
11860         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
11861         (s390_pass_by_reference): Rename from
11862         s390_function_arg_pass_by_reference.
11863         (s390_function_arg_advance): Don't query pass-by-ref.
11864         (s390_function_arg): Likewise.
11865         (s390_gimplify_va_arg): Use pass_by_reference.
11866         (s390_call_saved_register_used): Likewise.
11867         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11868         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
11869         (shcompact_byref, sh_pass_by_reference): New.
11870         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11871         (SHCOMPACT_BYREF): Remove.
11872         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
11873         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
11874         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
11875         (sparc_gimplify_va_arg): Use pass_by_reference.
11876         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11877         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11878         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
11879         (v850_pass_by_reference): New.
11880         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11881         (FUNCTION_ARG_CALLEE_COPIES): True.
11882         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
11883         FUNCTION_ARG_PASS_BY_REFERENCE docs.
11884
11885 2004-07-14  Richard Henderson  <rth@redhat.com>
11886             Richard Sandiford  <rsandifo@redhat.com>
11887
11888         * config/mips/mips-protos.h (mips_va_arg): Delete.
11889         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
11890         * config/mips/mips.c: Include tree-gimple.h.
11891         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
11892         (mips_arg_info): Remove special handling of must_pass_in_stck args.
11893         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
11894         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
11895
11896 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
11897
11898         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
11899         arguments for COND_EXPR in big-endian adjustment code.
11900
11901 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11902
11903         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
11904         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
11905         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
11906         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
11907
11908 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
11909
11910         PR tree-optimization/16443
11911         * tree-ssa-alias.c: Add more description for
11912         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
11913         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
11914         clobbering of call-clobbered and addressable variables.  If
11915         there are any before aliases have been computed, add them.
11916
11917 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
11918
11919         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
11920         verification.
11921
11922 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
11923
11924         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
11925         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
11926         to the same type.
11927
11928 2004-07-13  Per Bothner  <per@bothner.com>
11929
11930         * collect2.c (main):  Handle --no-demangle and --demangle flags.
11931
11932 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
11933
11934         * Makefile.in (OBJS-common): Add tree-data-ref.o.
11935         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
11936         (tree-data-ref.o): New rule.
11937         * lambda.h: New file.
11938         * tree-data-ref.c: New file.
11939         * tree-data-ref.h: New file.
11940         * tree.c (int_cst_value, tree_fold_gcd): New functions.
11941         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
11942
11943 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11944
11945         PR target/13926
11946         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
11947         * config/sparc/sparc.c (output_ubranch): New function.
11948         * config/sparc/sparc.md (jump pattern): Use it.
11949
11950 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11951
11952         PR target/16494
11953         * config/sparc/sparc.c (output_cbranch): Properly guard
11954         the code handling far branches with TARGET_V9.
11955         * config/sparc/sparc.md (length attribute): Document the
11956         side-effect of having a length greater or equal to 3.
11957
11958 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11959             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
11960
11961         PR target/15186
11962         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
11963         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
11964
11965 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11966             Martin Sebor  <sebor@roguewave.com>
11967
11968         PR target/12602
11969         * doc/invoke.texi (SPARC options): Document -threads
11970         and -pthreads on Solaris.
11971
11972 2004-07-13  Richard Henderson  <rth@redhat.com>
11973
11974         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
11975         by reference.
11976         (ind_gimplify_va_arg_expr): Remove.
11977         * tree.h (ind_gimplify_va_arg_expr): Remove.
11978         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
11979         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
11980         argsp to be null.
11981
11982         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
11983         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
11984         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
11985         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
11986         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
11987
11988 2004-07-13  Richard Henderson  <rth@redhat.com>
11989
11990         * function.c (pass_by_reference): New.
11991         (assign_parm_find_data_types): Use it.
11992         * calls.c (initialize_argument_information): Likewise.
11993         (emit_library_call_value_1): Likewise.
11994         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
11995         * function.h (pass_by_reference): Declare.
11996
11997 2004-07-13  Richard Henderson  <rth@redhat.com>
11998
11999         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
12000         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
12001         * expr.h (MUST_PASS_IN_STACK): Remove.
12002         * system.h (MUST_PASS_IN_STACK): Poison.
12003         * tree.h (must_pass_in_stack_var_size): Declare.
12004         (must_pass_in_stack_var_size_or_pad): Declare.
12005         * calls.c (must_pass_in_stack_var_size): New.
12006         (must_pass_in_stack_var_size_or_pad): Rename from
12007         default_must_pass_in_stack.
12008         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
12009         (TARGET_MUST_PASS_IN_STACK): New.
12010         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
12011         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
12012         (TARGET_MUST_PASS_IN_STACK): New.
12013         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
12014         * config/frv/frv.c (frv_must_pass_in_stack): New.
12015         (TARGET_MUST_PASS_IN_STACK): New.
12016         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
12017         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
12018         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
12019         (ix86_must_pass_in_stack): Make static.
12020         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
12021         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
12022         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
12023         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
12024         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
12025         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
12026         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
12027         (mcore_must_pass_on_stack): Remove.
12028         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
12029         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
12030         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
12031         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
12032         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
12033         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
12034         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
12035         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
12036         (TARGET_MUST_PASS_IN_STACK): New.
12037         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
12038         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
12039         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
12040         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
12041         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
12042         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
12043         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
12044         MUST_PASS_IN_STACK.
12045
12046         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
12047         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
12048         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
12049         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
12050         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
12051         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
12052         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
12053         config/xtensa/xtensa.c: Use target hook.
12054
12055 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
12056
12057         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
12058         * configure: Rebuilt.
12059
12060 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
12061
12062         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
12063         * config/mips/mips.h (mips_reg_names): Don't declare.
12064         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
12065         (TARGET_NAME_REGS): Delete.
12066         (TARGET_SWITCHES): Remove -mrnames.
12067         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
12068         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
12069         in REGISTER_NAMES.
12070         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
12071         (override_options): Remove handling of TARGET_NAME_REGS.
12072
12073 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
12074
12075         * config/mips/mips.h (TARGET_*): Boolify.
12076
12077 2004-07-12  Nick Clifton  <nickc@redhat.com>
12078
12079         * config.gcc: Add sh-*-symbianelf target.
12080         * config/sh/sh.c: Add new target macros:
12081         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
12082         TARGET_CXX_IMPORT_EXPORT_CLASS.
12083         (sh_file_start): Create a definition of the .directive section.
12084         (sh_attribute): Add dllimport and dllexport attributes.
12085         * config/sh/symbian-pre.h: New file.
12086         * config/sh/symbian-post.h: New file.
12087         * config/sh/symbian.c: New file. Contains Symbian specific
12088         functions.
12089         * config/sh/sh-protos.h: Add prototypes for new functions
12090         provided by symbian.c.
12091         * config/sh/t-symbian: New file.
12092         * doc/extend.texi: Document support for dllimport and dllexport
12093         attributes by the sh-symbianelf target.
12094
12095 2004-07-12  James E Wilson  <wilson@specifixinc.com>
12096
12097         * Makefile.in (AR): Use @AR@ not ar.
12098         (NM): New.
12099         (AR_FOR_TARGET): Use $(AR) not ar for native.
12100         (NM_FOR_TARGET): Use $(NM) not nm for native.
12101         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
12102         * configure: Regenerate.
12103
12104 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
12105
12106         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
12107         special case.
12108         (ashldi3_sp64): Likewise.
12109
12110 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12111
12112         PR target/16477
12113         * pa.c (function_arg): Update comment.
12114         * pa.h (BLOCK_REG_PADDING): Define.
12115
12116 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12117
12118         PR tree-optimization/16461
12119         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
12120         arguments of phi nodes.
12121
12122 2004-07-12  Devang Patel  <dpatel@apple.com>
12123
12124         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
12125
12126 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
12127
12128         * function.c (expand_function_start): Ensure r_save is in Pmode.
12129         * calls.c (prepare_call_address): Ensure static_chain_value is
12130         in Pmode.
12131         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
12132         r_save_area are in Pmode.
12133         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
12134         fnaddr, and static_chain are in Pmode.
12135
12136 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
12137
12138         PR target/16445
12139         * config/ia64/ia64.c (bundling): Don't count ignored insns.
12140
12141 2004-07-12  Richard Henderson  <rth@redhat.com>
12142
12143         * target.h (struct gcc_target): Move gimplify_va_arg_expr
12144         next to build_builtin_va_list.
12145         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
12146         * builtins.c (gimplify_va_arg_expr): Likewise.
12147         * gimplify.c (copy_if_shared_r): Likewise.
12148
12149 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
12150
12151         * passes.c (rest_of_decl_compilation): Don't defer call of
12152         assemble_variable if its DECL_RTL is already set.
12153
12154 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
12155
12156         * cfgloop.h (struct loop): Add nb_iterations field.
12157         (current_loops): Declare.
12158         * tree-chrec.c (chrec_not_analyzed_yet,
12159         chrec_dont_know, chrec_known, count_ev_in_wider_type,
12160         chrec_contains_symbols_defined_in_loop): Remove the temporary
12161         hooks.
12162         * tree-flow-inline.h (loop_containing_stmt): New function.
12163         * tree-scalar-evolution.c: Add implementation.
12164         * tree-scalar-evolution.h: Add declarations.
12165
12166 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
12167
12168         PR rtl-optimization/15921
12169         * Makefile.in (global.o): Add recog.h.
12170
12171         * global.c (recog.h): Add the include-clause.
12172         (bb_info): New member earlyclobber.
12173         (allocate_bb_info, free_bb_info): Initialize/finish the new
12174         member.
12175         (earlyclobber_regclass, earlyclobber_regclass_length): The new
12176         global variables.
12177         (check_earlyclobber, regclass_intersect,
12178         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
12179         New functions.
12180         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
12181         (make_accurate_live_analysis): Modify pavin.
12182
12183 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
12184
12185         * tree-cfg.c (find_taken_edge): Statically compute the truth
12186         value of a predicate comparing an SSA_NAME to itself.
12187
12188 2004-07-12  Roger Sayle  <roger@eyesopen.com>
12189
12190         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
12191         rs6000 doesn't have shift-and-add or shift-and-sub instructions
12192         by returning the cost of a multiplication plus an addition.
12193
12194 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
12195
12196         PR tree-optimization/14107
12197         * gimplify.c (gimplify_return_expr): Accept a
12198         RETURN_EXPR with an error argument.
12199         * tree-optimize.c (init_tree_optimization_passes):
12200         Run pass_warn_function_return at -O0.
12201
12202 2004-07-12  Roger Sayle  <roger@eyesopen.com>
12203
12204         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
12205         index entry.
12206
12207 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
12208
12209         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
12210         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
12211         * config/mips/3000.md: Add copyright notice.  Remove automota and
12212         function units; use generic ones instead.  Only define reservations
12213         for things that are different from generic.md.  Extend each clause
12214         to include r3900.
12215         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
12216         * config/mips/mips.md: Include them. Remove define_function_units.
12217         (alu, imuldiv): New automata and units.
12218
12219 2004-07-12  Ben Elliston  <bje@au.ibm.com>
12220
12221         * doc/invoke.texi (Optimize Options): Document -frename-registers
12222         not being enabled by default at -O3.
12223
12224 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12225
12226         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
12227         floating point additions, to keep real immediate constant positive.
12228         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
12229         into X + C, and leave positive real constants as X - C.
12230
12231 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12232
12233         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
12234
12235 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12236
12237         PR tree-optimization/15654
12238         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
12239
12240 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12241
12242         * builtins.c (fold_builtin_fputs): Don't bother converting the
12243         return type to integer_type_node, as we've already checked that
12244         the result will be ignored.
12245
12246         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
12247         that signed addition, subtraction, multiplication, division,
12248         remainder, negation and absolute value may potentially trap.
12249
12250         * fold-const.c (fold_ignored_result): New function to strip
12251         non-side-effecting tree nodes from an expression whose result
12252         is ignored.
12253         (fold_convert): Call fold_ignored_result when casting a value
12254         to VOID_TYPE.
12255         (omit_one_operand):  Call fold_ignored_result on the "omitted"
12256         operand when building a COMPOUND_EXPR.
12257         (pedantic_omit_one_operand): Likewise.
12258         * tree.h (fold_ignored_result): Prototype here.
12259         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
12260         when we're going to ignore the result.
12261
12262 2004-07-11  Richard Henderson  <rth@redhat.com>
12263
12264         PR tree-opt/16383
12265         * tree-ssa-ccp.c (fold_stmt_r): Split out...
12266         * tree.c (fields_compatible_p, find_compatible_field): ... new.
12267         * tree.h (fields_compatible_p, find_compatible_field): Declare.
12268         * tree-sra.c (sra_hash_tree): Hash fields by offset.
12269         (sra_elt_eq): Use fields_compatible_p.
12270         (generate_one_element_ref): Use find_compatible_field.
12271
12272 2004-07-11  Richard Henderson  <rth@redhat.com>
12273
12274         PR tree-opt/16422
12275         * tree-sra.c (generate_one_element_init): New.
12276         (generate_element_init): Use it.
12277         (scalarize_init): Push/pop gimplify context around it.
12278         (find_new_referenced_vars_1, find_new_referenced_vars): New.
12279         * gimplify.c (gimplify_expr): Allow SSA_NAME.
12280
12281 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12282
12283         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
12284         combine.c's combine_insn_cost.
12285         * rtl.h (insn_rtx_cost): Prototype here.
12286         * combine.c (combine_insn_cost): Delete function.
12287         (combine_validate_cost): Update callers of combine_insn_cost to
12288         call insn_rtx_cost instead.
12289         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
12290         requesting the rtx_cost of call and/or jump instructions.
12291
12292         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
12293         rtx_cost directly.  Don't request/use the cost of call or jump
12294         instructions.  Return -1 if the cost of any instruction can't be
12295         determined (or the BB contains a function call).
12296         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
12297         -1 (i.e. can't determine the cost of any instruction or the basic
12298         block contains a subroutine call).
12299         (find_if_case_2): Likewise.
12300
12301 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12302
12303         * rs6000.c (struct processor_costs): Change semantics of fields to
12304         include the COST_N_INSNS scaling, and update all initializers.
12305         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
12306         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
12307         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
12308         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
12309
12310 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12311
12312         * LANGUAGES: Remove obsolete information.
12313
12314 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
12315
12316         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
12317         SIGBUS signal frames, the PSW address points *to* the faulting
12318         instruction, not after it.
12319
12320 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
12321
12322         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
12323         added to TLS symbol addresses.
12324
12325 2004-07-11  Richard Henderson  <rth@redhat.com>
12326
12327         * expmed.c (init_expmed): Use stack-local structures for
12328         temporary rtl.  Don't recognize shifts.
12329
12330 2004-07-11  Richard Henderson  <rth@redhat.com>
12331
12332         * expr.c (store_expr): Don't fiddle subreg promotion for types
12333         with precision smaller than the mode.
12334
12335 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12336
12337         * tree.h (all_types_permanent): Remove.
12338
12339 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12340
12341         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
12342         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
12343         * langhooks.c (lhd_clear_binding_stack): Remove.
12344         * langhooks-def.h (lhd_clear_binding_stack,
12345         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
12346         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
12347         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
12348         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
12349         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
12350         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
12351         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
12352         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
12353         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
12354         * tree.h (poplevel): Don't declare.
12355         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
12356         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
12357         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
12358         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
12359         Remove.
12360
12361 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12362
12363         PR tree-optimization/16437
12364         * c-common.c (shorten_compare): Don't mark result of conversion to
12365         narrower signed type as overflowing.
12366         * fold-const.c (decode_field_reference): Determine whether
12367         signedness comes from outer type using precision rather than size.
12368
12369 2004-07-11  Phil Edwards  <phil@codesourcery.com>
12370
12371         * configure.ac:  Alphabetize --enable-checking list, add
12372         missing valgrind entry.
12373         * configure:  Regenerate.
12374
12375 2004-07-11  Phil Edwards  <phil@codesourcery.com>
12376
12377         * doc/install.texi (Testing):  Fix syntax in "make check" example.
12378
12379 2004-07-10  James E Wilson  <wilson@specifixinc.com>
12380
12381         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
12382
12383 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12384
12385         PR rtl-optimization/16001
12386         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
12387         niter_expr.
12388
12389 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
12390
12391         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
12392
12393 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
12394             James Morrison  <phython@gcc.gnu.org>
12395
12396         * doc/contrib.texi (Contributors): Add gfortran contributors and
12397         fix a couple of typos.
12398
12399 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12400
12401         PR rtl-optimization/15387
12402         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
12403         to incoming args space correctly.
12404
12405 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12406
12407         * pa.c (output_indirect_call): Only use %r2 as the link register in
12408         indirect calls with the long PA 2.0 pc-relative branch.
12409
12410 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
12411
12412         * config/i386/i386.c (override_options): Pick a 64-bit CPU
12413         for the default tuning if TARGET_64BIT.
12414
12415 2004-07-10  Richard Henderson  <rth@redhat.com>
12416
12417         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
12418         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
12419
12420 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
12421
12422         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
12423         * expmed.c (store_bit_field, extract_bit_field): Remove last
12424         argument.
12425         * builtins.c (expand_builtin_signbit): Adjust callers.
12426         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
12427         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
12428         * ifcvt.c (noce_emit_move_insn): Likewise.
12429         * stmt.c (expand_return): Likewise.
12430         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
12431         store_field, expand_expr_real_1): Likewise.
12432
12433 2004-07-10  Richard Henderson  <rth@redhat.com>
12434
12435         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
12436
12437 2004-07-09  Mike Stump  <mrs@apple.com>
12438
12439         * config/darwin.c (no_dead_strip): Add.
12440         (HAVE_DEAD_STRIP): Add.
12441         (darwin_emit_unwind_label): Ensure that we don't dead code strip
12442         the .eh label.
12443
12444 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12445
12446         * tree-ssa-loop-im.c: New file.
12447         * Makefile.in (tree-ssa-loop-im.o): Add.
12448         * cfgloop.c (superloop_at_depth): New function.
12449         * cfgloop.h (superloop_at_depth): Declare.
12450         * common.opt (ftree-lim): New flag.
12451         * expr.c (array_ref_up_bound): New function.
12452         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
12453         * timevar.def (TV_LIM): New timevar.
12454         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
12455         computing immediate uses of a phi node.
12456         * tree-flow.h (struct tree_ann_common_d): Add aux field.
12457         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
12458         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
12459         * tree-pass.h (pass_lim): Declare.
12460         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
12461         functions.
12462         (pass_lim): New pass structure.
12463         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
12464         * tree.c (in_array_bounds_p): New function.
12465         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
12466         (in_array_bounds_p, array_ref_up_bound): Declare.
12467         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
12468         * doc/passes.texi (tree-ssa-loop-im.c): Document.
12469
12470 2004-07-09  Richard Henderson  <rth@redhat.com>
12471
12472         * builtins.c (expand_builtin_stpcpy): Don't modify len.
12473
12474         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
12475         with prejudice.
12476
12477 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
12478
12479         * flags.h: Delete redundant prototypes that are being generated
12480         in options.h from common.opt.
12481         * common.opt: Add in the expository comments formerly in flags.h.
12482
12483 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12484
12485         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
12486         available for use only when TARGET_MMX/_SSE is set, and check for
12487         variable argument function if any register count is non-zero.
12488         (function_arg): Correctly suppress repeated warnings for passing SSE
12489         vectors are arguments without SSE enabled.
12490         (ix86_function_arg_boundary): Without SSE enabled, the use of what
12491         would be SSE register modes does no longer influence the alignment.
12492
12493 2004-07-09  Richard Henderson  <rth@redhat.com>
12494
12495         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
12496         Always align upward to arg boundary.  Use size_in_bytes/round_up.
12497         Maintain type-correctness of constants.
12498         * stor-layout.c (round_up, round_down): Special-case powers of 2.
12499
12500 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
12501
12502         * config/sparc/sparc.c (*_costs): Scale instruction costs
12503         by COSTS_N_INSNS.
12504         (sparc_rtx_costs): Adjust as appropriate.
12505
12506 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12507
12508         * config/i386/mm3dnow.h: New.
12509         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
12510
12511 2004-07-09  Richard Henderson  <rth@redhat.com>
12512
12513         * simplify-rtx.c (simplify_const_relational_operation): Only
12514         look at bounds of scalar integers.
12515
12516 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12517
12518         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
12519
12520 2004-07-09  Andrew Pinski  <apinski@apple.com>
12521
12522         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
12523         always referenced.
12524         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
12525         UOBJC_METACLASS_decl.
12526
12527 2004-07-09  James E Wilson  <wilson@specifixinc.com>
12528
12529         PR target/16364
12530         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
12531         do return a parallel if hfa_mode == XFmode and mode == TImode.
12532
12533 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12534
12535         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
12536         permissible for unary plus.
12537
12538 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12539
12540         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
12541         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
12542         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
12543         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
12544         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
12545         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
12546         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
12547         (BUILTIN_xxxIMAX): New.
12548         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
12549         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
12550         BUILT_IN_PARITYIMAX.
12551
12552 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
12553
12554         * config/sparc/sparc.h (processor_costs): Define.
12555         (sparc_costs): Declare.
12556         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
12557         hypersparc_costs, sparclet_costs, ultrasparc_costs,
12558         ultrasparc3_costs): New.
12559         (sparc_override_options): Set sparc_costs as appropriate.
12560         (sparc_rtx_costs): Use sparc_costs instead of messy
12561         conditionals.
12562
12563 2004-07-09  Steven Bosscher  <stevenb@suse.de>
12564
12565         * doc/md.texi (Processor pipeline description): Mention that
12566         the old pipeline description is deprecated.
12567
12568         * config/rs6000/7450.md (automaton ppc7450): Split up, move
12569         mciu_7450 function unit to...
12570         (automaton ppc7450mciu): ...new automaton.
12571
12572         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
12573         (schedule_block): Don't consider inserting bubbles.
12574         (sched_init): Don't initialize DFA bubbles.
12575         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
12576         TARGET_SCHED_DFA_BUBBLE): Remove.
12577         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
12578         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
12579         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
12580
12581         * stmt.c (conditional_context): Remove prototype.
12582         * tree.h (conditional_context): Remove.
12583         * tree-cfg.c (pre_insert_on_edge): Remove.
12584
12585         * c-common.h (c_expand_asm_operands): Remove prototype.
12586         * c-typeck.c (c_expand_asm_operands): Remove.
12587
12588 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12589
12590         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
12591         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
12592         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
12593         and V8QI are class SSE. All sufficiently small remaining vector modes
12594         must be passed in one or two integer registers.
12595         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
12596         returned in memory.
12597         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
12598         __builtin_ia32_pmuludq128 have non-uniform argument and return types
12599         and must thus be handled explicitly.
12600         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
12601         MMX and XMM regs.
12602         (movv8qi_internal, movv4hi_internal, movv2si_internal,
12603         movv2sf_internal): Permit moving between MMX and XMM registers (since
12604         MMX areguments and return values are passed in XMM registers).
12605         (sse2_umulsidi3): Correct type and mode.
12606
12607 2004-07-09  Richard Henderson  <rth@redhat.com>
12608
12609         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
12610
12611 2004-07-09  Eric Christopher  <echristo@redhat.com>
12612
12613         * config/rs6000/40x.md: Split into two automatons.
12614
12615 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
12616             Andrew Pinski  <apinski@apple.com>
12617
12618         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
12619         on when we have more than one input file.
12620         (c_common_parse_file): Restore loop over all input files.
12621         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
12622
12623         * c-decl.c (set_type_context): New function.
12624         (pop_scope): Use it to set context of types.  When we
12625         encounter a TYPE_DECL, set the context of the attached type too.
12626         (pop_file_scope): Don't call cpp_undef_all here.
12627         (diagnose_mismatched_decls): Do not complain about a second
12628         definition of an 'extern inline' function if it's not in the
12629         same translation unit.  Do not complain about inline
12630         declaration after use if the use was in a different
12631         translation unit.
12632         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
12633         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
12634         the external scope.
12635         (pushdecl_top_level): Likewise.
12636         (grokdeclarator): Clarify what is going on with setting
12637         DECL_EXTERNAL on function types, a little.
12638         (c_write_global_declarations): Don't do anything if
12639         -fsyntax-only or errors have been encountered.
12640
12641 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
12642
12643         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
12644
12645 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12646
12647         PR target/16459
12648         * pa.c (output_indirect_call): Use %r2 as the link register when
12649         calling $$dyncall with a pc-relative branch.
12650
12651 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
12652
12653         * doc/install.texi (Binaries): Mention OpenPKG.
12654
12655 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
12656
12657         Fix PR tree-optimization/15555
12658         * tree-dfa.c (dump_variable): If the variable is a pointer
12659         SSA_NAME, also dump its points-to information.
12660         * tree-flow.h (struct ptr_info_def): Add field
12661         is_dereferenced.
12662         (dump_points_to_info_for): Declare.
12663         (debug_points_to_info_for): Declare.
12664         * tree-optimize.c (init_tree_optimization_passes): Add a
12665         second alias analysis pass after DOM2.
12666         Move pass_del_pta to a later spot.
12667         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
12668         create a name tags when we find a dereferenced pointer.  Just
12669         mark the pointer dereferenced.
12670         (collect_points_to_info_for): Move code to clear points-to
12671         information to create_name_tags.
12672         (create_name_tags): New function.
12673         (compute_flow_sensitive_aliasing): Call it.
12674         (setup_pointers_and_addressables): Mark type tags for renaming
12675         here instead of ...
12676         (create_memory_tag): ... here.
12677         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
12678         (dump_points_to_info_for): Declare extern.
12679         (debug_points_to_info_for): New function.
12680
12681 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
12682
12683         * config/arc/arc.md: Switch to DFA-based scheduler description.
12684         * config/arc/arc.c: Switch to DFA-based scheduler description.
12685
12686 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
12687
12688         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
12689         pointer.
12690
12691 2004-07-09  Richard Henderson  <rth@redhat.com>
12692
12693         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
12694         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12695         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
12696         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
12697
12698         * config/v850/v850-protos.h (v850_va_arg): Remove.
12699         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12700         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
12701         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
12702         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
12703         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
12704
12705 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
12706
12707         PR target/12133
12708         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
12709         and DImode to use +/-4k offset.
12710
12711 2004-07-09  Richard Henderson  <rth@redhat.com>
12712
12713         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
12714         Remove.
12715         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12716         (xstormy16_gimplify_va_arg_expr): Rewrite from
12717         xstormy16_expand_builtin_va_arg.
12718         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
12719
12720         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
12721         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
12722
12723         * config/sh/sh-protos.h (sh_va_arg): Remove.
12724         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12725         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
12726         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
12727
12728         * config/pa/pa-protos.h (hppa_va_arg): Remove.
12729         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12730         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
12731         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
12732
12733         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
12734         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12735         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
12736         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
12737
12738 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
12739
12740         * config/sparc/sparc.md (return): Rewrite length formula.
12741         * config/sparc/sparc.c (output_return): Pass 1 as 5th
12742         argument to final_scan_insn when in a delay slot.
12743         (output_sibcall): Likewise.
12744
12745 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
12746
12747         * arm.c (arm_cpp_interwork): New variable.
12748         (arm_override_options): Set it if TARGET_INTERWORK was on the command
12749         line.
12750         * arm.h (arm_cpp_interwork): Declare it.
12751         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
12752         __THUMB_INTERWORK__ in the preprocessor.
12753
12754 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
12755
12756         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
12757
12758 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
12759
12760         PR target/16416
12761         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
12762         Override default settings to account for -m32 and -m64.
12763
12764 2004-07-08  Randolph Chung  <tausq@debian.org>
12765
12766         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
12767
12768 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
12769
12770         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
12771         before comparing it as such.
12772
12773 2004-07-08  Richard Henderson  <rth@redhat.com>
12774
12775         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
12776         temporary.  Use bit arithmetic to align.
12777
12778 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
12779
12780         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
12781         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
12782         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
12783         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
12784         add_labels_and_missing_jumps, find_jump_block,
12785         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
12786         Likewise.
12787         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
12788         link_btr_uses, move_btr_def): Likewise.
12789         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
12790         expand_builtin_expect_jump): Likewise.
12791         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
12792         * calls.c (expand_call, emit_library_call_value_1): Likewise.
12793         * cfganal.c (forwarder_block_p): Likewise.
12794         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
12795         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
12796         find_bb_boundaries): Likewise.
12797         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
12798         merge_blocks_move_predecessor_nojumps,
12799         merge_blocks_move_successor_nojumps, insns_match_p,
12800         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
12801         try_optimize_cfg): Likewise.
12802         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
12803         * cfglayout.c (skip_insns_after_block, label_for_bb,
12804         record_effective_endpoints, insn_locators_initialize,
12805         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
12806         * cfgmainloop.c (create_loop_notes): Likewise.
12807         * cfgrtl.c (delete_insn, delete_insn_chain,
12808         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
12809         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
12810         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
12811         redirect_branch_edge, force_nonfallthru_and_redirect,
12812         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
12813         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
12814         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
12815         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
12816         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
12817         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
12818         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
12819         * combine.c (combine_instructions, can_combine_p, try_combine,
12820         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
12821         distribute_notes, distribute_links, insn_cuid): Likewise.
12822         * cse.c (fold_rtx, cse_insn, cse_around_loop,
12823         invalidate_skipped_block, cse_set_around_loop,
12824         cse_end_of_basic_block, cse_main, cse_basic_block,
12825         cse_condition_code_reg): Likewise.
12826         * cselib.c (cselib_process_insn): Likewise.
12827         * ddg.c (create_ddg): Likewise.
12828         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
12829         Likewise.
12830         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
12831         gen_label_die, dwarf2out_var_location): Likewise.
12832         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
12833         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
12834         last_call_insn, active_insn_p, next_label, prev_label,
12835         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
12836         add_insn_before, remove_insn, add_function_usage_to,
12837         reorder_insns, find_line_note, remove_unnecessary_notes,
12838         emit_insn_after_1, classify_insn): Likewise.
12839         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
12840         connect_post_landing_pads, sjlj_mark_call_sites,
12841         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
12842         can_throw_internal, can_throw_external, set_nothrow_function_flags,
12843         convert_to_eh_region_ranges): Likewise.
12844         * explow.c (optimize_save_area_alloca): Likewise.
12845         * expr.c (expand_expr_real): Likewise.
12846         * final.c (insn_current_reference_address, compute_alignments,
12847         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
12848         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
12849         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
12850         propagate_block_delete_insn, propagate_one_insn,
12851         init_propagate_block_info, propagate_block, libcall_dead_p,
12852         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
12853         Likewise.
12854         * function.c (instantiate_virtual_regs, reorder_blocks_1,
12855         expand_function_start, expand_function_end, contains,
12856         thread_prologue_and_epilogue_insns,
12857         reposition_prologue_and_epilogue_notes): Likewise.
12858         * gcse.c (constprop_register, bypass_conditional_jumps,
12859         insert_insn_end_bb, gcse_after_reload): Likewise.
12860         * genemit.c (gen_expand, gen_split): Likewise.
12861         * genpeep.c (gen_peephole, main): Likewise.
12862         * global.c (build_insn_chain): Likewise.
12863         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
12864         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
12865         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
12866         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
12867         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
12868         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
12869         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
12870         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
12871         dead_or_predicable): Likewise.
12872         * integrate.c (try_constants): Likewise.
12873         * jump.c (rebuild_jump_labels, cleanup_barriers,
12874         purge_line_number_notes, init_label_info, mark_all_labels,
12875         squeeze_notes, get_label_before, get_label_after,
12876         reversed_comparison_code_parts, simplejump_p, pc_set,
12877         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
12878         delete_barrier, delete_prior_computation, delete_computation,
12879         delete_related_insns, delete_for_peephole, redirect_jump):
12880         Likewise.
12881         * lcm.c (optimize_mode_switching): Likewise.
12882         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
12883         Likewise.
12884         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
12885         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
12886         * loop-iv.c (simplify_using_assignment): Likewise.
12887         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
12888         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
12889         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
12890         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
12891         check_insn_for_givs, check_final_value, update_giv_derive,
12892         basic_induction_var, product_cheap_p, check_dbra_loop,
12893         loop_insn_first_p, last_use_this_basic_block,
12894         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
12895         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
12896         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
12897         sms_schedule_by_order): Likewise.
12898         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
12899         * postreload.c (reload_cse_simplify_operands, reload_combine,
12900         reload_cse_move2add): Likewise.
12901         * predict.c (can_predict_insn_p, estimate_probability,
12902         expected_value_to_br_prob, process_note_predictions): Likewise.
12903         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
12904         * profile.c (branch_prob): Likewise.
12905         * ra-build.c (live_out_1, livethrough_conflicts_bb,
12906         detect_webs_set_in_cond_jump): Likewise.
12907         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
12908         ra_print_rtl_with_bb): Likewise.
12909         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
12910         * recog.c (next_insn_tests_no_inequality, find_single_use,
12911         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
12912         * reg-stack.c (next_flags_user, record_label_references,
12913         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
12914         compensate_edge, convert_regs_1): Likewise.
12915         * regclass.c (scan_one_insn): Likewise.
12916         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
12917         regmove_optimize, fixup_match_1, single_set_for_csa,
12918         combine_stack_adjustments_for_block): Likewise.
12919         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
12920         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
12921         find_equiv_reg): Likewise.
12922         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
12923         reload_as_needed, emit_input_reload_insns, do_output_reload,
12924         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
12925         Likewise.
12926         * reorg.c (find_end_label, emit_delay_sequence,
12927         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
12928         get_jump_flags, rare_destination, mostly_true_jump,
12929         try_merge_delay_insns, redundant_insn, own_thread_p,
12930         fill_simple_delay_slots, fill_slots_from_thread,
12931         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
12932         dbr_schedule): Likewise.
12933         * resource.c (find_basic_block, next_insn_no_annul,
12934         find_dead_or_set_registers, mark_target_live_regs): Likewise.
12935         * rtl.h (RTX_PREV): Likewise.
12936         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
12937         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
12938         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
12939         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
12940         tablejump_p, computed_jump_p, insns_safe_to_move_p,
12941         find_first_parameter_load, can_hoist_insn_p): Likewise.
12942         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
12943         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
12944         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
12945         schedule_ebbs): Likewise.
12946         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
12947         is_conditionally_protected, can_schedule_ready_p,
12948         add_branch_dependences, debug_dependencies): Likewise.
12949         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
12950         Likewise.
12951         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
12952         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
12953         set_dominates_use, ujump_to_loop_cont): Likewise.
12954         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
12955         * varasm.c (output_constant_pool_1): Likewise.
12956
12957 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12958
12959         * tree-scalar-evolution.c: New file.
12960         * tree-scalar-evolution.h: New file.
12961         * tree-ssa-loop-niter.c: New file.
12962         * Makefile.in (SCEV_H): New.
12963         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
12964         * cfgloop.h (struct loop): Add bounds field.
12965         * tree-flow.h (struct tree_niter_desc): New type.
12966         (number_of_iterations_cond, number_of_iterations_exit,
12967         loop_niter_by_eval, find_loop_niter_by_eval,
12968         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
12969         free_numbers_of_iterations_estimates): Declare.
12970         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
12971         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
12972         * doc/invoke.texi (max-iterations-to-track): Document.
12973
12974 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
12975
12976         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
12977         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
12978         (MODE_AFTER): Add cast appropriately.
12979         * config/sh/sh.md (movdi splitter): Likewise.
12980         (casesi_worker_2): Add const qualifier appropriately.
12981         (eh_return): Remove unused variable.
12982         (insv): Initialize v;
12983
12984 2004-07-08  Richard Henderson  <rth@redhat.com>
12985
12986         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
12987         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12988         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
12989         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
12990         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
12991
12992         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
12993         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12994         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
12995         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
12996
12997         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
12998         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
12999         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
13000         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
13001
13002         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
13003         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13004         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
13005         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
13006
13007         * config/i860/i860-protos.h (i860_va_arg): Remove.
13008         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13009         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
13010         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
13011
13012 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
13013
13014         * system.h: Prototype getpagesize if missing.
13015         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
13016         * configure: Regenerate.
13017         * config.in: Regenerate.
13018
13019 2004-07-08  Richard Henderson  <rth@redhat.com>
13020
13021         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
13022         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13023         (fr30_gimplify_va_arg_expr): New.
13024         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
13025         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
13026
13027 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
13028
13029         PR target/16414
13030         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
13031         of asm_noperands result.
13032
13033 2004-07-08  Richard Henderson  <rth@redhat.com>
13034
13035         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
13036         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13037         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
13038         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
13039
13040 2004-07-08  Richard Henderson  <rth@redhat.com>
13041
13042         * builtins.c (ind_gimplify_va_arg_expr): New.
13043         * tree.h (ind_gimplify_va_arg_expr): Declare.
13044         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
13045
13046 2004-07-08  Jan Beulich  <jbeulich@novell.com>
13047
13048         * expmed.c (extract_bit_field): Correct condition to use vec_extract
13049         patterns also on vector elements other than the first one.
13050         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
13051         break statements.
13052
13053 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
13054
13055         * config/rs6000/darwin-ldouble.c: Correct reference
13056         to the Linnainmaa paper.
13057
13058 2004-07-08  Richard Henderson  <rth@redhat.com>
13059
13060         * config/arc/arc-protos.h (arc_va_arg): Remove.
13061         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13062         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
13063         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
13064
13065         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
13066         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13067         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
13068         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
13069
13070 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13071
13072         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
13073
13074 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
13075
13076         * c-decl.c (static_ctors, static_dtors): Make static.
13077         (pop_file_scope): Call c_common_write_pch and
13078         cgraph_finalize_compilation_unit here.
13079         (build_cdtor): Moved here from c-objc-common.c; simplify.
13080         (c_write_global_declarations_1): Clarify comment.
13081         (c_write_global_declarations): Close the external scope before
13082         doing anything else.  Call build_cdtor, cgraph_optimize, and
13083         mudflap_finish_file here.
13084         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
13085         Clarify comment.
13086         * c-objc-common.c: No need to include cgraph.h.
13087         (build_cdtor): Moved to c-decl.c.
13088         (c_objc_common_finish_file): Delete.
13089         * c-tree.h: Update to match.
13090         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
13091         (generate_static_references): Set TREE_USED before calling finish_decl.
13092         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
13093         on the static_instances_decl.
13094
13095 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
13096
13097         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
13098         decls when there is only one input translation unit.
13099         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
13100         change of 2004-07-05; do not treat declarations with
13101         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
13102         * opts.c (cur_in_fname): Delete.
13103         * opts.h: Likewise.
13104         * tree.c: Revert changes of 2004-07-05; no special treatment
13105         for TRANSLATION_UNIT_DECLs.
13106         * Makefile.in (tree.o): Update dependencies.
13107
13108 2004-07-08  Roger Sayle  <roger@eyesopen.com>
13109
13110         * builtins.c (fold_builtin_strcpy): Merge functionality from
13111         simplify_builtin_strcpy.  Add additional len argument.  No longer
13112         static.  Remove function prototype.
13113         (fold_builtin_strncpy): Likewise integrate functionality from
13114         simplify_builtin_strncpy.  Add additional slen argument.  No
13115         longer static.  Remove function prototype.
13116         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
13117         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
13118         types of "ignore" and "unlocked" parameters to bool.
13119         (fold_builtin_1):  Add additional ignore argument.  Call renamed
13120         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
13121         builtins.  Update arguments to fold_builtin_strncpy and
13122         fold_builtin_strcpy.  Add function prototype.
13123         (fold_builtin): Add additional Boolean ignore argument to pass
13124         to fold_builtin_1.
13125         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
13126         and fold_builtin_strncpy instead of simplify_builtin_fputs,
13127         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
13128
13129         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
13130         simplify_builtin_strncpy): Delete function prototypes.
13131         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
13132         fold_builtin_strncpy): Add function prototypes here.
13133         (fold_builtin): Update function prototype with new "bool ignore".
13134
13135         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
13136         (ccp_fold_builtin):  Update call to fold_builtin.  Call
13137         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
13138         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
13139         simplify_builtin_strncpy respectively.
13140         * fold-const.c (fold): Update call to fold_builtin.
13141
13142 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
13143
13144         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
13145         to strcpy.
13146
13147         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
13148         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
13149         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
13150         * calls.c: Remove ifdefs of macros above.
13151         * functions.c: Likewise.
13152         * expr.c: Likewise.
13153
13154 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13155
13156         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
13157         (arch attribute): Delete.
13158         (current_function_calls_alloca attribute): Rename into calls_alloca.
13159         (calls_eh_return): New attribute.
13160         (leaf_function): Likewise.
13161         (length attribute): Fix formula for sibcalls.
13162         (return insn): Correctly compute the 'length' attribute.
13163         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
13164
13165 2004-07-08  Richard Henderson  <rth@redhat.com>
13166
13167         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
13168         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
13169         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
13170         * tree-eh.c (lower_eh_constructs_1): Likewise.
13171         * tree-sra.c (sra_walk_modify_expr): Likewise.
13172         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
13173         (eliminate_unnecessary_stmts): Likewise.
13174         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13175         * tree-tailcall.c (optimize_tail_call): Likewise.
13176         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
13177
13178 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13179             Jakub Jelinek  <jakub@redhat.com>
13180
13181         * config/i386/i386.c (override_options): Enable
13182         SSE prefetches with -mtune, as long as we are
13183         compiling for i686 or higher.  All i686 processors
13184         accept SSE prefetches as NOPS, some i586's don't.
13185
13186 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13187
13188         PR target/10567
13189         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
13190
13191 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
13192
13193         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
13194         the handling of clobbering ASM_EXPRs.
13195
13196 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13197
13198         PR target/16430
13199         * config/sparc/sparc.c (function_value): In 64-bit mode,
13200         return the aggregates larger than 16 bytes like unions.
13201
13202 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13203
13204         PR target/16199
13205         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
13206         'temp' is zero, generate new pseudos as needed and emit the
13207         sequence of insns in single-assignment form.  Resync comments
13208         with code.
13209         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
13210         function before reload.
13211
13212 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
13213
13214         * vec.c (vec_assert_fail): Remove duplicate 'function'.
13215
13216         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
13217
13218         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
13219         Allocation is signed.
13220         (VEC_reserve): Return flag, allocation is signed.
13221
13222 2004-07-08  Richard Henderson  <rth@redhat.com>
13223
13224         * tree-ssa-ccp.c (fold_stmt): Get type directly from
13225         OBJ_TYPE_REF_OBJECT.
13226
13227 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
13228             Neil Booth  <neil@daikokuya.co.uk>
13229
13230         PR c/2511
13231         PR c/3325
13232         * c-decl.c (finish_struct): Ensure bit-fields are given the
13233         correct type.
13234         * c-common.c (c_common_signed_or_unsigned_type): For C, require
13235         the precision to match as well as the mode.
13236         * expr.c (reduce_to_bit_field_precision): New function.
13237         (expand_expr_real_1): Reduce expressions of bit-field type to
13238         proper precision.
13239         * langhooks.h (reduce_bit_field_operations): New hook.
13240         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
13241         Define.
13242         * c-lang.c, objc/objc-lang.c
13243         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
13244         * objc/objc-act.c (check_ivars): Convert types to bit-field types
13245         before checking.
13246         * tree.c (build_nonstandard_integer_type): New function.
13247         * tree.h (build_nonstandard_integer_type): New prototype.
13248         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
13249         conversions between integer and boolean types as useless.
13250
13251 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13252
13253         * c-common.c (c_common_nodes_and_builtins): Do not
13254         create __builtin_ptrdiff_t and __builtin_size_t.
13255
13256 2004-07-08  Andrew Pinski  <apinski@apple.com>
13257
13258         * Makefile.in (libbackend.o): Add -combine to the gcc
13259         command line.
13260
13261 2004-07-08  Nick Clifton  <nickc@redhat.com>
13262
13263         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
13264         Set to -Os.
13265
13266 2004-07-08  Richard Henderson  <rth@redhat.com>
13267
13268         * except.c (expand_eh_region_start, expand_eh_region_end,
13269         expand_eh_handler, expand_eh_region_end_cleanup,
13270         expand_start_all_catch, expand_start_catch, expand_end_catch,
13271         expand_end_all_catch, expand_eh_region_end_allowed,
13272         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
13273         expand_eh_region_end_fixup): Remove.
13274         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
13275         cleanups, outer_cleanups, label_chain, exception_region.
13276         (struct goto_fixup): Remove stack_level, cleanup_list_list.
13277         (struct label_chain): Remove.
13278         (struct stmt_status): Remove x_stack_block_stack.
13279         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
13280         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
13281         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
13282         end_cleanup_deferral, last_cleanup_this_contour,
13283         containing_blocks_have_cleanups_or_stack_level,
13284         any_pending_cleanups): Remove.
13285         (expand_null_return_1): Take no arguments.
13286         (expand_label, expand_naked_return, expand_return,
13287         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
13288         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
13289         expand_end_case_type): Don't use any of them.
13290         * calls.c (expand_call): Likewise.
13291         * dojump.c (do_jump): Likewise.
13292         * function.c (expand_function_end): Likewise.
13293         * expr.c (store_expr, expand_expr_real_1): Likewise.
13294         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
13295         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
13296         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
13297         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
13298         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
13299         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
13300         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
13301         for WITH_CLEANUP_EXPR.
13302         (gimple_push_cleanup): Likewise.
13303         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
13304         * print-tree.c (print_node): Likewise.
13305         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
13306         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
13307         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
13308         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
13309         (GOTO_SUBROUTINE_EXPR): Remove.
13310         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
13311         (DECL_TOO_LATE): Remove.
13312         * except.h, tree.h: Update decls.
13313
13314 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13315
13316         * explow.c (optimize_save_area_alloca): Do not accept parameters.
13317         * passes.c (rest_of_handle_final): Handle symout.
13318         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
13319         Push timevar here.
13320         (rest_of_handle_sched): Break out SMS.  Remove ifs for
13321         flag_schedule_insns and flag_modulo_sched.
13322         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
13323         collect at the end.
13324         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
13325         (rest_of_handle_partition_blocks, rest_of_handle_sms,
13326         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
13327         rest_of_handle_mode_switching, rest_of_handle_jump,
13328         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
13329         rest_of_handle_jump2, rest_of_handle_postreload,
13330         rest_of_handle_flow2, rest_of_clean_state,
13331         rest_of_handle_shorten_branches,
13332         rest_of_handle_prologue_epilogue,
13333         rest_of_handle_branch_target_load_optimize): New.
13334         (rest_of_compilation): Call the above.  Remove ggc_collect
13335         calls moved to rest_of_handle_*.
13336         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
13337
13338         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
13339         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
13340         * except.h (set_nothrow_function_flags): Update comment.
13341         * function.c (current_function_nothrow): Remove.
13342         * output.h (current_function_nothrow): Remove.
13343         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
13344         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
13345
13346 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13347
13348         PR bootstrap/16326
13349         * reorg.c: Revert 2004-06-30 change.
13350         (find_end_label): If HAVE_epilogue and !HAVE_return,
13351         return 0 instead of creating a label at the end of the insn chain.
13352         (optimize_skip): Account for the failure mode of find_end_label.
13353         (fill_simple_delay_slots): Likewise.
13354         (fill_slots_from_thread): Likewise.
13355         (relax_delay_slots): Likewise.
13356
13357 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
13358
13359         * tree-flow.h (addressable_vars): Declare.
13360         * tree-ssa-alias.c (addressable_vars): Define.
13361         (setup_pointers_and_addressables): Add addressable variables
13362         to addressable_vars.
13363         * tree-ssa-operands.c (get_stmt_operands): Move
13364         handling of ASM_EXPRs ...
13365         (get_asm_expr_operands): ... here.
13366         When the ASM_EXPR clobbers memory, also clobber addressable
13367         variables.
13368         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
13369         (delete_tree_ssa): Reset addressable_vars.
13370
13371 2004-07-07  Jan Beulich  <jbeulich@novell.com>
13372             Richard Henderson  <rth@redhat.com>
13373
13374         * varasm.c (assemble_variable): Use assemble_zeros for
13375         zero-initialized variables.
13376         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
13377         for SECCAT_BSS and SECCAT_TBSS.
13378
13379 2004-07-07  Jan Beulich  <jbeulich@novell.com>
13380
13381         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
13382
13383         * expmed.c (emit_store_flag): Also special-case double-word
13384         (in-)equality comparison against -1.
13385
13386         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
13387         passing arguments the containers for which are registers.
13388
13389         * calls.c (emit_library_call_value_1): Use mode of function parameter
13390         rather than that of argument since constants have none.
13391
13392 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
13393
13394         Introduce H8SX support.
13395         * expr.c (expand_strcpy): Renamed and moved to...
13396         * builtins.c (expand_movstr): ... here.  Tweak.
13397         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
13398         computed or has side effects.
13399         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
13400         unused, or if mempcpy fails.  Adjust the return value in the
13401         latter case.  Use movstr if everything else fails.
13402         * doc/md.texi (movstr): Document.
13403         (movmemM, clrmemM): Fix explanation of memory block operands.
13404         * config/h8300/h8300.md (stpcpy): Renamed to...
13405         (movstr): ... this.  Adjust.
13406         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
13407         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
13408         movmem* and clrstr* to clrmem*.
13409         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
13410         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
13411         GENERAL_REGS, always.
13412         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
13413         getting the stack pointer as addr.
13414         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
13415         from general_operand_dst.
13416         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
13417         variant of...
13418         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
13419         instead of requiring it to match only before reload.
13420         (stpcpy_internal_normal): New, normal-mode variant of...
13421         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
13422         `D' instead of requiring it to match only before reload.
13423         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
13424         mode argument.
13425         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
13426         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
13427         h8300_get_index.
13428         * config/h8300/h8300.md (attr type): Add call.
13429         (attr can_delay): If type is call, set it no.
13430         (call, call_value): Set type to call.
13431         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
13432         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
13433         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
13434         * tree.c (get_narrower): Don't narrow integral types into
13435         non-integral types.
13436         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
13437         frame_size *before* the first use.
13438         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
13439         on input.
13440         (peephole2): Don't widen instructions that push SP.  Move
13441         decrement of SP to the end of all stm-generating peepholes.
13442         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
13443         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
13444         and OR to set it to all ones.
13445         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
13446         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
13447         (call, call_value): Set can_delay to "no".
13448         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
13449         * config/h8300/h8300.md (extzv): Make subreg check more robust.
13450         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13451         * config/h8300/h8300.md (*brabit): Remove.
13452         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
13453         zero_extract.  Use bit_memory_operand as the predicate for
13454         operand 1 and 'WU' as the constraint.  Check the difference
13455         between the base length and the final one when deciding which
13456         type of branch to use.
13457         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13458         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
13459         Use convert_move to extend the result for TARGET_H8300SX.  Check
13460         for QImode memory references.  Optimize the case where the
13461         destination is a paradoxical subreg.
13462         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13463         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
13464         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
13465         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13466         * config/h8300/h8300.md: Include mova.md
13467         (length_table): Add mova and mova_zero.
13468         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
13469         after all constant addresses for '%R', '%X', '%T' and '%S'.
13470         (h8300_mova_length): New function.
13471         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
13472         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
13473         dependencies for s-config, etc.
13474         * config/h8300/gemova.sh: New file.
13475         * config/h8300/mova.md: Generated.
13476         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
13477         * config/h8300/h8300.c (h8300_bitfield_length): New.
13478         (nibble_operand): Adjust.
13479         (h8300_binary_length): Handle conditional binary op.
13480         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
13481         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
13482         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
13483         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
13484         constraints.  WU is introduced as a variant of U that requires a
13485         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
13486         * config/h8300/h8300.md (attr type): Added bitbranch.
13487         (attr length_table): Added bitfield and bitbranch.
13488         (attr length): Compute bitbranch length.
13489         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
13490         least-significant bit of a byte.
13491         (brabit, brabc, brabs): New.
13492         (insv, extzv): Emit bfst and bfld on H8300SX.
13493         (bfld, bfst, seq, sne): New.
13494         (bstzhireg, cmpstz, bstz, bistz): New.
13495         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
13496         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
13497         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
13498         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
13499         (h8sx_unary_memory_operator): New function.
13500         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
13501         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
13502         * config/h8300/h8300.md: Add peepholes to combine reloads and
13503         arithmetic insns.
13504         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
13505         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
13506         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
13507         (and?i, ior?i, xor?i): Likewise.
13508         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
13509         * config/h8300/h8300.c: Move enums and prototypes to head of file.
13510         Various whitespace fixes.
13511         (h8300_constant_length): New function, split out from...
13512         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
13513         (h8300_classify_operand): Use IN_RANGE.
13514         (h8300_classify_operand): Use h8300_constant_length.
13515         (h8300_short_move_mem_p): Tighten size check.
13516         (h8sx_mergeable_memrefs_p): Tighten equality check.
13517         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
13518         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
13519         for -msx.
13520         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
13521         * config/h8300/crtn.asm: Likewise.
13522         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
13523         if __H8300SX__ is defined.
13524         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
13525         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
13526         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
13527         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
13528         addresses as mode-dependent.
13529         * config/h8300/h8300.c (print_operand_address): Update call to
13530         h8300_get_index.
13531         (h8300_get_index): Take a mode argument.  Rework to fix an
13532         earlier misunderstanding.
13533         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
13534         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
13535         into a register if TARGET_H8300SX.
13536         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
13537         TARGET_H8300SX.  Also disable related define_splits.
13538         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
13539         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
13540         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
13541         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
13542         * config/h8300/h8300.h (OK_FOR_Z): New macro.
13543         (EXTRA_CONSTRAINT_STR): Check it.
13544         * config/h8300/h8300.c (h8300_classify_operand): Accept null
13545         class arguments.
13546         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
13547         * config/h8300/h8300.md (length_table): Add mov_imm4.
13548         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
13549         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
13550         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
13551         be a label.
13552         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
13553         * config/h8300/h8300.c (h8300_reorg): New function.
13554         (TARGET_MACHINE_DEPENDENT_REORG): Define.
13555         * config/h8300/h8300.md (length): Subtract the length of the
13556         delay slot from (pc) when checking the range of forward branches.
13557         (delay_slot, can_delay): New attributes.
13558         (define_delay): Add bra/s handling.
13559         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
13560         (jump): Add delayed-branch handling.
13561         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
13562         * expr.c (expand_strcpy): New function.
13563         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
13564         (expand_builtin_stpcpy): Likewise.
13565         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
13566         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
13567         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
13568         handling to improve register allocation for -fno-omit-frame-pointer.
13569         (h8sx_split_movmd): Delete, moving er6 handling into...
13570         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
13571         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
13572         (movmd): Add calls to copy_rtx.
13573         (movmd_internal): In the second alternative, allow the initial and
13574         final destination registers to be different .  Update the splitter
13575         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
13576         instead of h8sx_split_movmd.
13577         (stpcpy, movsd): New expanders.
13578         (movsd_internal): New define_insn.
13579         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
13580         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
13581         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
13582         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
13583         and DESTINATION_REGS.
13584         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
13585         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
13586         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
13587         (h8300_move_ratio): Declare.
13588         (MOVE_RATIO): Use it.
13589         * config/h8300/h8300.c (h8300_move_ratio): New variable.
13590         (h8300_init_once): Initialize it.
13591         (h8300_reg_class_from_letter): New function.
13592         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
13593         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
13594         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
13595         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
13596         (movstrsi, movmd): New expanders.
13597         (movmd_internal): New insn.
13598         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
13599         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
13600         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
13601         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
13602         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
13603         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13604         * config/h8300/h8300.c (nibble_operand): Fix warning.
13605         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
13606         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
13607         (movsf_h8300h): Disable for TARGET_H8300SX.
13608         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13609         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
13610         h8300_stm_parallel and h8300_return_parallel.
13611         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
13612         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
13613         h8300_stm_parallel, h8300_return_parallel): New functions.
13614         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
13615         if TARGET_H8300SX.  Use h8300_push_pop.
13616         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
13617         and final pop when generating h8sx code.  Always emit some form
13618         of return insn.
13619         * config/h8300/h8300.md: Don't enforce register alignment in
13620         stm peepholes if TARGET_H8300SX.
13621         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
13622         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
13623         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
13624         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13625         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
13626         (MULTILIB_DIRNAMES): Add a directory for it.
13627         (MULTILIB_MATCHES): Delete.
13628         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
13629         * final.c (walk_alter_subreg): Handle addresses with subregs
13630         inside a ZERO_EXTEND or AND.
13631         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
13632         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
13633         if TARGET_H8300SX.
13634         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
13635         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
13636         @(dd,Rn.w) and @(dd,ERn.L).
13637         (h8300_displacement_size): Take the whole address as argument.
13638         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
13639         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
13640         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
13641         (h8sx_mergeable_memrefs_p): Declare.
13642         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
13643         (HAVE_PRE_INCREMENT): Likewise.
13644         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
13645         addresses for TARGET_H8300SX,
13646         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
13647         and POST_DEC.
13648         (movb_length_table, movl_length_table): New tables.
13649         (movw_length_table): Define to movb_length_table.
13650         (h8300_displacement_size): New, split out from...
13651         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
13652         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
13653         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
13654         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
13655         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
13656         (compute_plussi_length, compute_plussi_cc): Update accordingly.
13657         (h8sx_unary_shift_operator): Get the mode from the operator.
13658         (binary_shift_operator): Likewise.
13659         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
13660         a memory reference, check whether the reference is offsettable.
13661         (length_table): Add movb, movw and movl.
13662         (movqi): Add new h8sx pattern.  Don't force one operand to be a
13663         register when generating h8sx code.
13664         (movhi, movsi, movsf): Likewise.
13665         (movstrictqi): Use the length_table attribute.
13666         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
13667         (addqi3): Split into a define_expand and define_insn.  Don't accept
13668         memory operands in the expander.  Use h8300_operands_match_p to
13669         check for matching operands in the define_insn.
13670         (subqi3, negqi2, one_cmplqi2): Likewise.
13671         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
13672         in any patterns that are unused in h8sx code.  In the h8sx patterns,
13673         use h8300_operands_match_p to check whether operands match.
13674         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
13675         one_cmpl[hs]i3): Likewise.
13676         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
13677         in the expander.
13678         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
13679         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
13680         (h8300_insn_length_from_table): Add a second parameter.
13681         (output_h8sx_shift): Declare.
13682         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
13683         (EXTRA_CONSTRAINT): Replace with...
13684         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
13685         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
13686         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
13687         and h8sx_binary_shift_operator.
13688         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
13689         for TARGET_H8300SX.
13690         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
13691         (bit_memory_operand, fix_bit_operand): Likewise.
13692         (h8300_length_table_for_insn): Remove.
13693         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
13694         instructions.
13695         (h8300_short_immediate_length, h8300_binary_length): New functions.
13696         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
13697         (output_plussi): Use sub to add negative constants.
13698         (compute_plussi_length): Adjust accordingly.
13699         (h8sx_single_shift_type): New enum.
13700         (h8sx_single_shift, h8sx_unary_shift_operator,
13701         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
13702         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
13703         single h8sx instruction.  Return false in this case.
13704         * config/h8300/h8300.md (length_table): Add short_immediate.
13705         (length): Pass the operand array to h8300_insn_length_from_table.
13706         (adjust_length): Assume "no" for insns with a length_table attribute.
13707         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
13708         (*addhi3_h8300hs): Don't use for h8sx.
13709         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
13710         and sub.w #xx:3.
13711         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
13712         1's predicate to nonimmediate_operand.  Only skip default expansion
13713         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
13714         for single h8sx shift instructions.
13715         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
13716         * config/h8300/h8300.c (nibble_operand): Split out of...
13717         (reg_or_nibble_operand): ... this.
13718         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
13719         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
13720         umulhisi3): Introduce expand, and introduce separate insns for
13721         sign- or zero-extended REG and already-extended CONST_INT.
13722         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
13723         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
13724         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
13725         (subhi3): Likewise.  Don't accept immediates for operand 1.
13726         Remove the early clobber from second alternative of the h8300s pattern.
13727         (subsi3): Generalize for h8sx.  Force operand 2 into a register
13728         on plain h8300 targets.
13729         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
13730         (subsi3_h8300h): Generalize for h8sx.
13731         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
13732         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
13733         * config/h8300/h8300.c (reg_or_nibble_operand): New.
13734         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
13735         (TARGET_H8300SXMUL): New.
13736         (CONST_OK_FOR_P): New.
13737         (CONST_OK_FOR_LETTER_P): Adjust.
13738         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
13739         umulhisi3): Accept 4-bit immediate on H8SX.
13740         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
13741         (udivsi3, divhi3, udivsi3, divsi3): New.
13742         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
13743         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
13744         * config/h8300/h8300.h (OK_FOR_Q): New macro.
13745         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
13746         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
13747         Add ADDRESSOF to the bit_operand entry.
13748         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
13749         (h8300_src_operand): Likewise.
13750         (bit_operand): Check nonimmediate_operand rather than general_operand.
13751         Accept any nonimmediate_operand in h8sx code.
13752         (h8300_and_costs): Initialize operands[1].
13753         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
13754         (h8300_operand_class): New enum.
13755         (h8300_length_table): New typedef.
13756         (addb_length_table, addw_length_table, addl_length_table,
13757         logicl_length_table): New tables.
13758         (logicb_length_table, logicw_length_table): New macros.
13759         (h8300_classify_operand, h8300_length_from_table,
13760         h8300_length_table_for_insn, h8300_unary_length,
13761         h8300_insn_length_from_table): New functions.
13762         (output_plussi): Only use adds and subs for register destinations.
13763         Disable redundant clause.
13764         (compute_plussi_cc): Likewise.
13765         (compute_plussi_length): Likewise.  Use h8300_length_from_table
13766         to work out the length of an insn.
13767         (output_logical_op): Only use narrower immediate instructions
13768         if the destination is a register.
13769         (compute_logical_op_cc): Likewise.
13770         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
13771         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
13772         * config/h8300/h8300.md (length_table): New attribute.
13773         (length): When an instruction has a length_table attribute, use
13774         h8300_insn_length_from_table to calculate its default length.
13775         (cmpqi): Use h8300_dst_operand for the first operand and
13776         h8300_src_operand for the second.
13777         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
13778         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
13779         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
13780         iorsi3, xorhi3, xorsi3): Likewise.
13781         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
13782         so that it allows any combination of operands for TARGET_H8300SX.
13783         (iorqi3, xorqi3): Likewise.
13784         (cmpqi): Use the length_table attribute.
13785         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
13786         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
13787         (cmpqi): Add 'Q' constraint.
13788         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
13789         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
13790         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
13791         * config/h8300/h8300.h (MASK_H8300SX): New macro.
13792         (TARGET_H8300S): True for both -ms and -msx.
13793         (TARGET_H8300SX): New macro.
13794         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
13795         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
13796         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
13797         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
13798         [Temporary change.]
13799         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
13800         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
13801         16-bit pointers and 32-bit ints.
13802         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
13803         CONST_DOUBLE with mode no wider than SImode.
13804         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
13805         output operand.
13806         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
13807         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
13808         or SUBREG thereof.
13809         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
13810         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
13811         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
13812
13813 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
13814
13815         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
13816
13817 2004-07-07  Per Bothner  <per@bothner.com>
13818
13819         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
13820
13821 2004-07-07  Mike Stump  <mrs@apple.com>
13822
13823         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
13824         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
13825         (machopic_finish): Likewise.
13826
13827 2004-07-07  Richard Henderson  <rth@redhat.com>
13828
13829         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
13830         through any value-preserving cast.
13831
13832 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
13833
13834         * function.c (assign_parm_find_data_types): Call
13835         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
13836
13837 2004-07-07  Steven Bosscher  <stevenb@suse.de>
13838
13839         * tree-cfg.c (group_case_labels): Remove case labels that have
13840         the same target as the default case.
13841
13842 2004-07-07  Steven Bosscher  <stevenb@suse.de>
13843
13844         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
13845         regardless of DECL_LANG_SPECIFIC being present or not.
13846         * tree.h (DECL_NUM_STMTS): Purge.
13847
13848 2004-07-07  Andrew Pinski  <apinski@apple.com>
13849
13850         * configure: Regenerate with the right autoconf.
13851
13852 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
13853
13854         * ifcvt.c (total_bb_rtx_cost): New function.
13855         (find_if_case_1): Compare rtx_cost of basic block to cost of
13856         BRANCH_COST insns.
13857         (find_if_case_2): Same.
13858
13859 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
13860
13861         PR target/10567
13862         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
13863         (output_return): Likewise.
13864         (output_sibcall): Abort if !flag_delayed_branch.
13865         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
13866         (emit_and_preserve): New function.
13867         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
13868         indirect jump to the thunked-to function if !flag_delayed_branch.
13869         * config/sparc/sparc.md (delayed_branch): New attribute.
13870         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
13871         attribute to compute the length of the insn.
13872         (goto_handler_and_restore): Likewise.
13873
13874 2004-07-07  Andrew Pinski  <apinski@apple.com>
13875
13876         PR tree-optimization/15777
13877         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
13878
13879         * expr.c (expand_expr_real_1): Fix formating.
13880         BUFFER_REF and IN_EXPR are dead.
13881         * fold-const.c (non_lvalue): BUFFER_REF is dead.
13882         * tree-inline.c (estimate_num_insns_1): Likewise.
13883         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
13884         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
13885         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
13886
13887 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
13888
13889         * collect2.c (dump_file): Don't call cplus_demangle if
13890         HAVE_LD_DEMANGLE is defined.
13891         (main): Pass "--demangle" to ld if no_demangle is not 0 and
13892         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
13893         if HAVE_LD_DEMANGLE is defined.
13894
13895         * configure.ac (--with-demangler-in-ld): Added
13896         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
13897         --with-demangler-in-ld is used.
13898         * config.in: Regenerated.
13899         * configure: Likewise.
13900
13901 2004-07-07  Roger Sayle  <roger@eyesopen.com>
13902
13903         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
13904         for simple floating point operations "fp", double precision
13905         multiplication "dmul", and single and double precision division
13906         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
13907         (ppc630_cost): New table split from ppc620_cost, to distinguish
13908         differences in floating point latencies.
13909         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
13910         (rs6000_rtx_costs): Add support for single and double precision
13911         floating point addition, subtraction, multiplication, division,
13912         fused-multiply-add, fused-multiply-sub, negation, absolute value
13913         and negative absolute value.  Tweak MEM case to use prefered idiom.
13914
13915 2004-07-07  Richard Henderson  <rth@redhat.com>
13916
13917         * tree-flow-inline.h (may_propagate_copy): Move...
13918         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
13919         attempt to copy between types requiring conversion.
13920         * tree-flow.h (may_propagate_copy): Update decl.
13921         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
13922
13923 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
13924
13925         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
13926         from -mtune= option.
13927
13928 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
13929
13930         * builtins.c: Rename movstr*, except for movstrict*, to
13931         movmem* and clrstr* to clrmem*.
13932         * expr.c: Likewise.
13933         * expr.h: Likewise.
13934         * genopinit.c: Likewise.
13935         * integrate.c: Likewise.
13936         * local-alloc.c: Likewise.
13937         * optabs.c: Likewise.
13938         * optabs.h: Likewise.
13939         * config/alpha/alpha.h: Likewise.
13940         * config/alpha/alpha.md: Likewise.
13941         * config/arm/arm-protos.h: Likewise.
13942         * config/arm/arm.c: Likewise.
13943         * config/arm/arm.md: Likewise.
13944         * config/avr/avr.md: Likewise.
13945         * config/c4x/c4x.c: Likewise.
13946         * config/c4x/c4x.md: Likewise.
13947         * config/frv/frv.md: Likewise.
13948         * config/i386/i386-protos.h: Likewise.
13949         * config/i386/i386.c: Likewise.
13950         * config/i386/i386.h: Likewise.
13951         * config/i386/i386.md: Likewise.
13952         * config/i860/i860.c: Likewise.
13953         * config/i860/i860.md: Likewise.
13954         * config/ip2k/ip2k.md: Likewise.
13955         * config/ip2k/libgcc.S: Likewise.
13956         * config/ip2k/t-ip2k: Likewise.
13957         * config/m32r/m32r.c: Likewise.
13958         * config/m32r/m32r.md: Likewise.
13959         * config/mcore/mcore.md: Likewise.
13960         * config/mips/mips.c: Likewise.
13961         * config/mips/mips.md: Likewise.
13962         * config/ns32k/ns32k.c: Likewise.
13963         * config/ns32k/ns32k.h: Likewise.
13964         * config/ns32k/ns32k.md: Likewise.
13965         * config/pa/pa.c: Likewise.
13966         * config/pa/pa.md: Likewise.
13967         * config/pdp11/pdp11.h: Likewise.
13968         * config/pdp11/pdp11.md: Likewise.
13969         * config/rs6000/rs6000.c: Likewise.
13970         * config/rs6000/rs6000.md: Likewise.
13971         * config/s390/s390-protos.h: Likewise.
13972         * config/s390/s390.c: Likewise.
13973         * config/s390/s390.md: Likewise.
13974         * config/sh/lib1funcs.asm: Likewise.
13975         * config/sh/sh.c: Likewise.
13976         * config/sh/sh.md: Likewise.
13977         * config/sh/t-sh: Likewise.
13978         * config/sparc/sparc.h: Likewise.
13979         * config/vax/vax.md: Likewise.
13980         * config/xtensa/xtensa.c: Likewise.
13981         * config/xtensa/xtensa.md: Likewise.
13982         * doc/invoke.texi: Likewise.
13983         * doc/md.texi: Likewise.
13984         * doc/rtl.texi: Likewise.
13985
13986 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
13987
13988         PR target/16407
13989         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
13990         * config/mips/mips.c (mips_declare_common_object): New function,
13991         mostly split out from...
13992         (mips_output_aligned_decl_common): ...here.
13993         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
13994         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
13995         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
13996         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
13997
13998 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13999
14000         PR c/16392
14001         * function.c (assign_parms): Fix typo from previous change.
14002
14003 2004-07-07  Jason Merrill  <jason@redhat.com>
14004
14005         PR c++/15815
14006         * doc/extend.texi (C++ Interface): Correct information and
14007         discourage use.
14008
14009 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
14010
14011         PR target/16130
14012         PR target/16142
14013         PR target/16143
14014         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
14015         insn.
14016
14017 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
14018
14019         PR target/1679.
14020         * config/m32r/m32r.c (m32r_function_symbol): New function:
14021         Generate a symbol name RTX with the correct m32r specific flags
14022         set.
14023         (block_move_call): Use new function to generate correct symbol.
14024         * config/m32r/m32r-protos.h: Add prototype for new funcion.
14025         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
14026         function.
14027
14028 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
14029
14030         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
14031         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
14032         TYPE_BINFO_BASETYPE): Remove.
14033         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
14034         to ...
14035         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
14036         here.
14037         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
14038         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
14039         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
14040         (struct tree_binfo): Rename base_types to base_binfos.
14041         * alias.c (record_component_aliases): Adjust BINFO macros.
14042         * dbxout.c (dbxout_type): Likewise.
14043         * dwarf2out.c (gen_member_die): Likewise.
14044         * sdbout.c (sdbout_one_type): Likewise.
14045         * tree-dump.c (deque_and_dump): Likewise.
14046         * config/i386/i386.c (classify_argument,
14047         contains_128bit_aligned_vector_p): Likewise.
14048
14049 2004-07-07  Nick Clifton  <nickc@redhat.com>
14050
14051         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
14052         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
14053
14054 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
14055
14056         * vec.h: Fix the example use.
14057
14058 2004-07-06  Richard Henderson  <rth@redhat.com>
14059
14060         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
14061         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
14062         * tree-inline.c (copy_body_r, setup_one_parameter,
14063         initialize_inlined_parameters, expand_call_inline,
14064         declare_inline_vars): Don't check it.
14065         (expand_calls_inline): Remove old version, rename new version
14066         from gimple_expand_calls_inline.
14067         * tree-optimize.c (execute_gimple): Remove.
14068         (pass_gimple): Don't run anything.
14069
14070 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
14071
14072         * doc/sourcebuild.texi: Use semicolons instead of commas in
14073         section title.
14074
14075 2004-07-06  Richard Henderson  <rth@redhat.com>
14076
14077         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
14078         (sra_walk_modify_expr, scan_init): Likewise.
14079         (generate_element_zero): Check visited before scanning children.
14080         (generate_element_init): Set visited on error.
14081         (scalarize_init): Handle generate_element_init failure similar
14082         to use_block_copy.
14083
14084 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
14085
14086         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
14087         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
14088
14089 2004-07-06  Richard Henderson  <rth@redhat.com>
14090
14091         * config/i386/i386.c (legitimize_pic_address): Make static.
14092         (legitimize_address): Handle CONST with TLS operand.
14093         (ix86_expand_move): Don't call legitimize_pic_address directly.
14094         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
14095
14096 2004-07-06  Roger Sayle  <roger@eyesopen.com>
14097
14098         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
14099         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
14100         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
14101         is currently executed unconditionally, i.e. not in "else_bb".
14102
14103 2004-07-06  Steven Bosscher  <stevenb@suse.de>
14104
14105         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
14106         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14107         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
14108         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14109         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
14110         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14111         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
14112         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14113         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
14114         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14115         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
14116         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14117         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
14118         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14119         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
14120         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14121
14122 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
14123
14124         * dojump.c (do_jump): REFERENCE_EXPR is dead.
14125         * expr.c (expand_expr_real_1): Ditto.
14126         * tree-inline.c (estimate_num_insns_1): Ditto.
14127         * tree-pretty-print.c (dump_generic_node): Ditto.
14128         (op_symbol): Ditto.
14129         * tree.def: Ditto.
14130
14131 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
14132
14133         * tree-ssa-pre.c (reference_node_pool): New pool.
14134         (find_or_generate_expression): Class 'r' is okay too.
14135         (create_value_expr_from): Ditto.
14136         (add_to_sets): LHS should not include vuses.
14137         (eliminate): Ditto.
14138         (compute_avail): Reverse ordering of tests.
14139         Valuize INDIRECT_REF as well.
14140
14141 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
14142
14143         PR rtl-optimization/16380
14144         * loop.c (check_dbra_loop): Sink comparison instructions if they
14145         do something other than set cc0.
14146
14147 2004-07-06  James E Wilson  <wilson@specifixinc.com>
14148
14149         * doc/interface.texi (longjmp and automatic variables): Delete
14150         paragraph recommending taking the address of a variable.
14151
14152 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
14153
14154         * vec.h (VEC_embedded_alloc): Remove.
14155         (VEC_embedded_size, VEC_embedded_init): New.
14156         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
14157         MEM_STAT_INFO.
14158         (VEC_truncate): New.
14159         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
14160         (vec_embedded_alloc): Remove.
14161         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
14162         (vec_embedded_alloc): Remove.
14163
14164 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
14165
14166         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
14167         (gt-langhooks.h): Remove.
14168
14169 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
14170
14171         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
14172
14173 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
14174
14175         * config/sparc/sparc.c (get_pc_symbol): Rename into
14176         add_pc_to_pic_symbol.
14177         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
14178         (load_pic_register): Account for previous changes.
14179         Use reg_names.  Don't create the label twice.
14180         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
14181         UNSPEC_LOAD_PCREL_SYM.
14182         (get_pc): Rename into load_pcrel_sym.  Add predicate to
14183         operands.  Remove condition.
14184
14185 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
14186
14187         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
14188         RECORD, UNION & QUAL_UNION is actually a binfo.
14189
14190         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
14191         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
14192         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
14193         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
14194         * dwarf2out.c (add_data_member_location_attribute): Likewise.
14195         (gen_inheritance_die): Likewise.
14196         * tree-dump.c (deque_and_dump): Likewise.
14197         * doc/c-tree.texi (Binfos): Add under reconstruction note.
14198
14199 2004-07-06  Steven Bosscher  <stevenb@suse.de>
14200
14201         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
14202         Define.
14203         * config/mcore/mcore.md: Model memory latency with a simple DFA
14204         pipeline description instead of a define_function_unit.
14205
14206 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14207
14208         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
14209         * langhooks.h (var_mod_type_p): Likewise.
14210         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
14211         * expr.c (count_type_elements): Properly handle return from
14212         array_type_nelts and properly test for overflow.
14213         * gimplify.c (gimplify_init_constructor): Properly handle return
14214         from array_type_nelts.
14215         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
14216         * integrate.c (copy_decl_for_inlining): Correct comments.
14217         * tree-inline.c (remap_decl): Update comments, remove dead code,
14218         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
14219         (remap_type): Only remap if variably modified by vars in function
14220         being inlined.
14221         (copy_body_r): Use compatible_type langhooks to see when can fold.
14222         (setup_one_parameter): Don't remap type.
14223         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
14224         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
14225         compute TREE_INVARIANT for decl case.
14226         (find_var_from_fn): New function.
14227         (variably_modified_type_p): Add arg and call new function.
14228         * tree.h (variably_modified_type_p): Add extra arg.
14229
14230 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
14231
14232         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
14233         (goto_handler_and_restore_v9): Delete disabled insn.
14234         (goto_handler_and_restore_v9_sp64): Likewise.
14235
14236 2004-07-05  Roger Sayle  <roger@eyesopen.com>
14237
14238         * calls.c (load_register_parameters): Call expand_shift instead
14239         of expand_binop with ashl_optab (or other shift optab) directly.
14240         * expr.c (emit_group_load, emit_group_store): Likewise.
14241         * function.c (assign_parm_setup_block): Likewise.
14242         * stmt.c (shift_return_value): Likewise.
14243
14244 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
14245
14246         * expr.c (expand_assignment): Disable the bitfield += optimizations.
14247
14248 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14249
14250         * doc/sourcebuild.texi: Revert previous patch.
14251
14252 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14253
14254         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
14255         TARGET_MEM_FUNCTIONS.
14256         * system.h: Poison TARGET_MEM_FUNCTIONS.
14257         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
14258         bcmp_libfunc, bzero_libfunc): Remove.
14259         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
14260         bzero_libfunc.
14261         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
14262         * doc/standards.texi: Don't mention calling BSD string functions.
14263         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
14264         * config/vax/t-memfuncs: New.
14265         * config/memcmp.c, config/memcpy.c, config/memmove.c,
14266         config/memset.c: New.
14267         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
14268         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
14269         vax/t-memfuncs.
14270         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
14271         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
14272         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
14273         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
14274         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
14275         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
14276         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
14277         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
14278         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
14279         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
14280
14281 2004-07-05  Richard Henderson  <rth@redhat.com>
14282
14283         * function.c (assign_parm_setup_reg): Properly rename variables in
14284         FUNCTION_ARG_CALLEE_COPIES section.
14285
14286 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
14287
14288         * tree-mudflap.c: Include cgraph.h.
14289         (mf_init_extern_trees): Rename to mudflap_init.  Export.
14290         Rewrite to create synthetic declarations instead of looking
14291         up declarations from mf-runtime.h.
14292         (mf_make_builtin, mf_make_cache_struct_type): New functions.
14293         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
14294         Correct commentary.
14295         (execute_mudflap_function_decls, mudflap_register_call):
14296         Don't call mf_init_extern_trees.
14297         (mudflap_finish_file): Use cgraph_build_static_cdtor.
14298
14299         * tree-mudflap.h: Update prototypes.
14300         * c-mudflap.c: Delete file.
14301         * c-common.c: Include tree-mudflap.h.
14302         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
14303         * Makefile.in: Remove all references to c-mudflap.o.
14304         Update dependencies.
14305
14306 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14307
14308         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
14309         displacements with the spatial-locality cache-control completer.
14310
14311 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
14312
14313         * langhooks.c: Don't include gt-langhooks.h.
14314         (var_labelno): Delete.
14315         (lhd_set_decl_assembler_name): Do not append a distinguishing
14316         number to file-scope internal-linkage declarations for the first
14317         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
14318         the declaration itself (if at block scope), or its containing
14319         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
14320         number.
14321
14322         * opts.c (cur_in_fname): New global.
14323         * opts.h: Declare it.
14324         * tree.c: Include opts.h.
14325         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
14326         DECL_UID equal to cur_in_fname.
14327         (copy_node_stat): Do not change DECL_UID when copying a
14328         TRANSLATION_UNIT_DECL.
14329         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
14330         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
14331
14332         * c-decl.c (c_static_assembler_name): Delete.
14333         * c-tree.h (c_static_assembler_name): Delete prototype.
14334         * c-lang.c, objc/objc-lang.c: Don't override
14335         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
14336
14337         * Makefile.in (tree.o): Update dependencies.
14338         (GTFILES): Remove langhooks.c.
14339
14340 2004-07-05  Roger Sayle  <roger@eyesopen.com>
14341
14342         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
14343         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
14344         Normalize "X % C" as "X % -C" for signed modulus and negative C.
14345         Optimize "X % -Y" as "X % Y" for signed modulus.
14346         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
14347         into "((unsigned) X % Y) == 0".
14348
14349 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14350
14351         * sourcebuild.texi (Config Fragments): Use @comma{} in
14352         cross-reference to section title.
14353
14354 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14355
14356         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
14357         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
14358         (gimplify_target_expr, gimplify_expr): Likewise.
14359         (copy_if_shared_r): No longer need special case for BIND_EXPR.
14360         (unshare_body, unvisit_body): Only look at nested if BODY_P is
14361         whole function.
14362         (gimplify_compound_lval): See if we can strip any useless conversion.
14363         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
14364         from RHS, not LHS.
14365         (gimplify_modify_expr_to_memset): Likewise.
14366         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
14367         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
14368         (declare_inline_vars): Likewise.
14369         (walk_type_fields): New function.
14370         (walk_tree): Use it.
14371         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
14372
14373         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
14374         (sra_walk_modify_expr): Allow init function to fail.
14375         (scan_init): Now returns bool.
14376         (generate_element_init): If can't understand INIT, return false.
14377         (scalarize_init): Return false if generate_element_init does.
14378
14379         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
14380         print bounds.
14381
14382         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
14383         bounds if bounds aren't constant.
14384
14385         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
14386
14387         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
14388         to type hooks; remove bogus PARAMS.
14389
14390 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
14391
14392         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
14393         * dwarf2out.c (add_data_member_location_attribute): Check for
14394         TREE_BINFO.
14395         * tree.c (tree_node_kinds): Add "binfos".
14396         (binfo_lang_slots): New.
14397         (make_node_stat): Add TREE_BINFO.
14398         (make_tree_binfo_stat): New.
14399         (tree_node_structure): Add TREE_BINFO.
14400         * tree.def (TREE_BINFO): New.
14401         * tree.h (REC_OR_UNION_CHECK): Rename to ...
14402         (RECORD_OR_UNION_CHECK): ... here.
14403         (NOT_RECORD_OR_UNION_CHECK): New.
14404         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
14405         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
14406         RECORD_OR_UNION_CHECK.
14407         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
14408         (TYPE_LANG_SLOT_1): New.
14409         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
14410         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
14411         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
14412         (BINFO_ELTS): Remove.
14413         (BINFO_LANG_SLOT): New.
14414         (struct tree_binfo): New.
14415         (binfo_lang_slots): Declare.
14416         (enum tree_node_structure_enum): Add TS_BINFO.
14417         (union tree_node): Add binfo.
14418         (make_tree_binfo_stat): Declare.
14419         (make_tree_binfo): New.
14420         (enum tree_node_kind): Add binfo_kind.
14421
14422         * objc/objc-act.c (start_class, objc_declare_protocols,
14423         start_protocols): Use TYPE_LANG_SLOT_1.
14424         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
14425         to ...
14426         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
14427         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
14428         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
14429         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
14430
14431 2004-07-05  Steven Bosscher  <stevenb@suse.de>
14432
14433         * rtl.h (struct rtx_def): Remove the integrated flag.
14434         Use the return_val flag for MEM_SCALAR_P.
14435         Reshuffle and update flags in CLEAR_RTX_FLAGS.
14436
14437 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
14438
14439         PR target/16357
14440         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
14441         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
14442         move_by_pieces.
14443
14444 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
14445
14446         * var-tracking.c: Fix some comments.
14447         (frame_stack_adjust): New.
14448         (vt_stack_adjustments): Init stack_adjust of entry block to
14449         minus stack adjustment of function prologue.
14450         (adjust_stack_reference): Do not adjust if adjustment == 0.
14451         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
14452         (emit_notes_in_bb): Likewise.
14453         (vt_add_function_parameters): Do not adjust locations of
14454         function arguments.
14455         (vt_initialize): Compute the stack adjustment of function
14456         prologue and offset the initial "location" of frame_base_decl
14457         from the stack pointer after prologue.
14458
14459 2004-07-04  Richard Henderson  <rth@redhat.com>
14460
14461         * function.c (struct assign_parm_data_all): New.
14462         (struct assign_parm_data_one): New.
14463         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
14464         assign_parm_find_data_types, assign_parms_setup_varargs,
14465         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
14466         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
14467         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
14468         assign_parm_setup_block, assign_parm_setup_reg,
14469         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
14470         (assign_parms): ... here.
14471
14472 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
14473
14474         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
14475         now are bitmap_set_t's.
14476         (bitmap_insert_into_set): No point in inserting the value if
14477         it's invariant.
14478         (bitmap_set_contains): New function.
14479         (bitmap_set_replace_value): Add comment on why we do it
14480         this way.
14481         (set_contains): Removed.
14482         (bitmap_set_subtract_from_value_set): New name of
14483         set_subtract now that it's arguments are two different
14484         types of sets.
14485         Update callers.
14486         (bitmap_find_leader): Change algorithm used.
14487         (find_or_generate_expression): Update use of functions for new
14488         bitmap sets.
14489         (create_expression_by_pieces): Ditto.
14490         (insert_aux): Ditto.
14491         (insert): Ditto.
14492         (add_to_sets): Ditto.
14493         (init_pre): Ditto.
14494         (execute_pre): Ditto.
14495         (compute_avail): Ditto.
14496         Also ignore virtual phis.
14497
14498 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
14499
14500         * combine.c (simplify_comparison): Fix comment typo.
14501
14502 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
14503
14504         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
14505         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
14506         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
14507         (output_restore): Change parameter from 'insn' to 'pat'.
14508         (output_return): Adjust call to output_restore.
14509         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
14510         Adjust call to output_restore.
14511
14512 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
14513
14514         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
14515         and assert system is bsd.
14516
14517 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
14518
14519         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
14520         (TARGET_SWITCHES): Remove -mdebugc.
14521         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
14522         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
14523         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
14524         (sle_[sd]i_reg): Delete.
14525
14526 2004-07-04  Steven Bosscher  <stevenb@suse.de>
14527
14528         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
14529         Define.
14530         * config/iq2000/iq2000.md: Translate old pipeline description to an
14531         equivalent new one.
14532
14533 2004-07-04  Roger Sayle  <roger@eyesopen.com>
14534
14535         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
14536         Ensure the replacement rhs is valid gimple before performing
14537         the substitution.  Return false if these sanity checks fail.
14538         (fold_stmt): Only set changed to true, if set_rhs returns true.
14539         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
14540         succeeds.
14541
14542 2004-07-04  Richard Henderson  <rth@redhat.com>
14543
14544         PR c/16348
14545         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
14546
14547 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
14548
14549         * configure.ac (ranlib_flags): New variable.
14550         * Makefile.in (RANLIB_FLAGS): New variable.
14551         (libbackend.a): Use it.
14552         * configure: Regenerated.
14553
14554 2004-07-04  Roger Sayle  <roger@eyesopen.com>
14555
14556         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
14557         a "sign mask" instead of using ashr_optab directly.
14558
14559 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
14560
14561         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
14562         * doc/cppopts.texi: Clarify processing of command-line defines.
14563
14564 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
14565
14566         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
14567
14568 2004-07-04  Richard Henderson  <rth@redhat.com>
14569
14570         * rtl.def (ADDRESSOF): Remove.
14571         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
14572         (find_base_term, memrefs_conflict_p): Likewise.
14573         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
14574         (fold_rtx, cse_insn, set_live_p): Likewise.
14575         * dwarf2out.c (mem_loc_descriptor): Likewise.
14576         (add_location_or_const_value_attribute): Likewise.
14577         * emit-rtl.c (copy_insn_1): Likewise.
14578         * explow.c (memory_address): Likewise.
14579         * expmed.c (store_split_bit_field): Likewise.
14580         * expr.c (expand_expr_real_1): Likewise.
14581         * function.c (instantiate_decl
14582         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
14583         * genrecog.c (preds, validate_pattern): Likewise.
14584         * integrate.c (copy_rtx_and_substitute): Likewise.
14585         * recog.c (general_operand, register_operand): Likewise.
14586         (memory_address_p): Likwise.
14587         * reload1.c (eliminate_regs, elimination_effects): Likewise.
14588         * rtl.c (copy_rtx): Likewise.
14589         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
14590         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
14591         * rtlhooks.c (gen_lowpart_general): Likewise.
14592         * stmt.c (expand_asm_operands): Likewise.
14593         * web.c (entry_register, replace_ref, web_main): Likewise.
14594         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
14595         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
14596         * config/arm/arm.c (thumb_rtx_costs): Likewise.
14597         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
14598         * config/frv/frv.c (move_destination_operand, move_source_operand,
14599         condexec_dest_operand, condexec_source_operand,
14600         condexec_memory_operand): Likewise.
14601         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
14602         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
14603         (destination_xfmode_operand): Likewise.
14604         * config/mips/mips.h (PREDICATE_CODES): Likewise.
14605         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
14606         * config/s390/s390.c (general_s_operand): Likewise.
14607         * config/s390/s390.md (mov*): Likewise.
14608         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
14609
14610         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
14611         * expr.c (expand_expr_real_1): Likewise.
14612         * stmt.c (expand_decl): Likewise.
14613         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
14614
14615         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
14616         postponed_insns, put_var_into_stack, put_reg_into_stack,
14617         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
14618         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
14619         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
14620         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
14621         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
14622         purge_bitfield_addressof_replacements, purge_addressof_replacements,
14623         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
14624         struct insns_for_mem_walk_info, insns_for_mem_walk,
14625         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
14626         setjmp_protect_args): Remove.
14627         (push_function_context_to): Don't handle var_refs_queue.
14628         (pop_function_context_from, free_after_compilation): Likewise.
14629         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
14630         (assign_parms, allocate_struct_function): Likewise.
14631         (use_register_for_decl): New.
14632         (expand_function_end): Don't setjmp_protect.
14633         * function.h (struct emit_status): Update commentary.
14634         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
14635         (max_parm_reg, parm_reg_stack_loc): Remove.
14636         * passes.c (DFI_addressof): Remove.
14637         (dump_file_info): Remove addressof.
14638         (rest_of_handle_addressof): Remove.
14639         (rest_of_compilation): Don't call it.
14640         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
14641         * stmt.c (expand_decl): Use use_register_for_decl.
14642         * tree.h: Update decls.
14643         * web.c (mark_addressof): Remove.
14644         * doc/invoke.texi (-dF): Remove.
14645
14646 2004-07-03  Richard Henderson  <rth@redhat.com>
14647
14648         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
14649         instead of gen_mem_addressof.
14650         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
14651         TImode output register.
14652
14653 2004-07-03  Richard Henderson  <rth@redhat.com>
14654
14655         PR tree-optimization/16341
14656         * tree-sra.c (sra_walk_function): Increment to next stmt before
14657         processing the current stmt.
14658         (sra_insert_after): Always use BSI_SAME_STMT.
14659
14660 2004-07-03  Richard Henderson  <rth@redhat.com>
14661
14662         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
14663         fp plus with minus.
14664
14665 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
14666
14667         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
14668         with tree_int_cst_equal.
14669
14670 2004-07-03  Andreas Schwab  <schwab@suse.de>
14671
14672         * config/ia64/ia64.md: Define new attribute "empty".
14673         (prologue_use, nop_x, insn_group_barrier): Set it.
14674
14675         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
14676         skip over "empty" insns.
14677
14678 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14679
14680         * tree-inline.c (initialize_inlined_parameters): Pass proper function
14681         context to gimplify_body.
14682         (walk_tree): Don't walk into types twice.
14683         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
14684
14685         * tree-sra.c (generate_element_init): Remove any useless conversions.
14686
14687         * gimplify.c (gimplify_conversion): Remove stripping useless
14688         conversions from here.
14689         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
14690         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
14691         Unshare before substituting PLACEHOLDER_EXPR.
14692         (gimplify_modify_expr_to_memset): Likewise.
14693         Pass address of TO to memset, not TO itself.
14694         (gimplify_init_constructor): Make copy of OBJECT so we have it each
14695         time we make an expression (to match a PLACEHOLDER_EXPR).
14696
14697         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
14698         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
14699         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
14700         * tree-ssa-dom.c (local_fold): Likewise.
14701
14702         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
14703         * langhooks.h (strct lang_hooks): New field type_max_size.
14704         * function.c (assign_temp): Call it.
14705
14706 2004-07-03  Steven Bosscher  <stevenb@suse.de>
14707
14708         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
14709         * config/sh/sh.md: Convert the SH1 pipeline description to
14710         a DFA model.
14711
14712 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
14713
14714         * c-decl.c (struct c_binding): Remove contour field; add
14715         depth, invisible, nested fields.
14716         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
14717         (B_IN_EXTERNAL_SCOPE): New convenience macros.
14718         (bind): Add invisible and nested arguments. Initialize
14719         new fields of struct c_binding; adjust loop scanning for
14720         insertion point.
14721         (free_binding_and_advance): Clear structure with memset.
14722         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
14723         in file scope, even if it's in external scope too.
14724         (pushdecl): Adjust to match.  Create invisible file-scope
14725         declarations for block-scope forward declarations of static functions.
14726         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
14727         (undeclared_variable, lookup_label, declare_label, define_label)
14728         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
14729         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
14730         (store_parm_decls_oldstyle): Adjust to match.
14731         (diagnose_mismatched_decls): Correct handling of linkage clashes.
14732         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
14733
14734         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
14735         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
14736
14737 2004-07-02  Richard Henderson  <rth@redhat.com>
14738
14739         * c-decl.c (grokdeclarator): Don't frob current_function_decl
14740         around variable_size.
14741         (set_decl_nonlocal): Remove.
14742         (store_parm_decls): Add stmts for pending sizes.
14743         * calls.c (calls_function, calls_function_1): Remove.
14744         (precompute_arguments): Don't call it.
14745         * cfgexpand.c (set_save_expr_context): Remove.
14746         (tree_expand_cfg): Don't call it.
14747         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
14748         (dwarf2out_finish): Likewise.
14749         * expr.c (emit_block_move): Adjust addresses to BLKmode.
14750         (store_constructor): Don't pre-evaluate SAVE_EXPR.
14751         (safe_from_p): Don't queue SAVE_EXPRs.
14752         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
14753         or build plain VAR_DECLs.
14754         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
14755         (fold): Likewise.
14756         (fold_checksum_tree): Don't special-case SAVE_EXPR.
14757         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
14758         (put_var_into_stack): Don't handle SAVE_EXPR.
14759         (gen_mem_addressof): Likewise.
14760         * function.h (struct function): Remove x_save_expr_regs.
14761         (save_expr_regs): Remove.
14762         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
14763         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
14764         * stor-layout.c (variable_size): Don't set it.
14765         (force_type_save_exprs, force_type_save_exprs_1): Remove.
14766         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
14767         all callers.  Don't set SAVE_EXPR_CONTEXT.
14768         * tree-inline.h (remap_save_expr): Update decl.
14769         * tree.c (save_expr): Update build size.
14770         (first_rtl_op): Don't handle SAVE_EXPR.
14771         (unsave_expr_1, contains_placeholder_p): Likewise.
14772         (decl_function_context): Likewise.
14773         * tree.def (SAVE_EXPR): Remove args 1 and 2.
14774         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
14775         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
14776
14777 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
14778
14779         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
14780         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
14781         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
14782         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
14783         some first-person references and patronizing comments.  Based on
14784         printed manual.
14785         * doc/invoke.texi: Don't reference fortran@gnu.org.
14786         * doc/trouble.texi (Warning when a non-void function value is
14787         ignored): Rewrite.  From Russ Allbery and Chris Devers.
14788
14789 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
14790
14791         * tree-ssa-pre.c (bitmap_set_t): New.
14792         (bb_value_sets): avail_out is now a bitmap_set_t.
14793         (bitmap_find_leader): New function.
14794         (bitmap_value_insert_into_set): Ditto.
14795         (bitmap_set_copy): Ditto.
14796         (bitmap_value_replace_in_set): Ditto.
14797         (bitmap_set_contains_value): Ditto.
14798         (bitmap_set_new): Ditto.
14799         (bitmap_set_pool): New pool.
14800         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
14801         (insert_aux): Ditto.
14802         (add_to_sets): Ditto.
14803         (compute_avail): Ditto
14804         (eliminate): Ditto.
14805         (init_pre): Ditto.
14806         (fini_pre): Ditto.
14807         (execute_pre): Ditto.
14808
14809 2004-07-02  Roger Sayle  <roger@eyesopen.com>
14810
14811         * config/rs6000/rs6000.c (struct processor_costs): New structure
14812         used to hold instruction latencies/sizes for processor types.
14813         (rs6000_cost): New global variable pointing to current CPU's costs.
14814         (rs6000_override_options): Initialize rs6000_cost to point to the
14815         appropriate cost table based upon rs6000_cpu and optimize_size.
14816         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
14817         timings inline.
14818
14819 2004-07-02  Richard Henderson  <rth@redhat.com>
14820
14821         * expmed.c (make_tree): Don't use SET_DECL_RTL.
14822
14823 2004-07-02  Steven Bosscher  <stevenb@suse.de>
14824
14825         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
14826
14827 2004-07-01  Richard Henderson  <rth@redhat.com>
14828
14829         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
14830         (alpha_gp_save_rtx): Use assign_stack_local instead of
14831         gen_mem_addressof.
14832
14833 2004-07-01  Richard Henderson  <rth@redhat.com>
14834
14835         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
14836         (alpha_rtx_cost_data): Update to match.
14837         (alpha_rtx_cost_size): New.
14838         (alpha_rtx_costs): Honor optimize_size.
14839
14840 2004-07-01  Richard Henderson  <rth@redhat.com>
14841
14842         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
14843         * cfgexpand.c (tree_expand_cfg): Do it here.
14844         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
14845         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
14846         * config/mips/mips.c (mips_output_mi_thunk): And here.
14847         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
14848         * config/sh/sh.c (sh_output_mi_thunk): And here.
14849         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
14850
14851 2004-07-01  Richard Henderson  <rth@redhat.com>
14852
14853         * tree.def (RTL_EXPR): Remove.
14854         * c-typeck.c (lvalue_p): Don't handle it.
14855         * expr.c (safe_from_p): Likewise.
14856         (expand_expr_real_1): Likewise.
14857         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
14858         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
14859         * gengtype.c (adjust_field_tree_exp): Likewise.
14860         * stmt.c (warn_if_unused_value): Likewise.
14861         * tree-gimple.c (recalculate_side_effects): Likewise.
14862         * tree-pretty-print.c (dump_generic_node): Likewise.
14863         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
14864         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
14865         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
14866
14867         * stmt.c (struct stmt_status): Remove x_last_expr_type,
14868         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
14869         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
14870         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
14871         all the bits that tracked last_expr.
14872         (expand_end_bindings): Don't track last_expr.
14873         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
14874         (clear_last_expr): Remove.
14875         (expand_asm): Don't call it.
14876         (expand_asm_operands, expand_end_cond): Likewise.
14877         (expand_naked_return, expand_null_return_1): Likewise.
14878         * c-typeck.c (c_begin_compound_stmt): Likewise.
14879         * cfgexpand.c (expand_block): Use expand_expr_stmt.
14880         * expr.c (expand_expr_real_1): Likewise.
14881         * tree.h: Update prototypes.
14882
14883         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
14884         (struct emit_status): Remove sequence_rtl_expr.
14885         (struct function): Remove x_rtl_expr_chain.
14886         (seq_rtl_expr, rtl_expr_chain): Remove.
14887         * function.c (struct temp_slot): Remove rtl_expr.
14888         (assign_stack_temp_for_type): Don't set it.
14889         (free_temp_slots, pop_temp_slots): Don't check it.
14890         (free_after_compilation): Don't clear x_rtl_expr_chain.
14891         (fixup_var_refs): Don't search it.
14892         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
14893         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
14894         or seq_rtl_expr.
14895         (push_topmost_sequence): Likewise.
14896         (end_sequence, init_emit): Likewise.
14897         (start_sequence_for_rtl_expr): Remove.
14898         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
14899         * rtl.h (preserve_rtl_expr_result): Remove.
14900
14901 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
14902
14903         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
14904         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
14905         typos.
14906
14907 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
14908
14909         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
14910         (STANDARD_STARTFILE_PREFIX_2): Define.
14911         (standard_startfile_prefix_1): Initialize to
14912         STANDARD_STARTFILE_PREFIX_1.
14913         (standard_startfile_prefix_2): Initialize to
14914         STANDARD_STARTFILE_PREFIX_2.
14915         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
14916         (STANDARD_STARTFILE_PREFIX_1): Define.
14917         (STANDARD_STARTFILE_PREFIX_2): Define.
14918         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
14919         (STANDARD_STARTFILE_PREFIX_2): Document.
14920
14921 2004-07-01  Richard Henderson  <rth@redhat.com>
14922
14923         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
14924         in order to disable scalarization.  Instead set a flag and wait
14925         for a candidate decl.
14926
14927 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
14928
14929         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
14930         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
14931         Use terminology "testsuite" and "enumerated".
14932
14933 2004-07-01  Richard Henderson  <rth@redhat.com>
14934
14935         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
14936         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
14937         (initial_return_save): Likewise.
14938         (flush_queued_reg_saves): Remap register numbers.
14939         (dwarf2out_return_reg): Likewise.
14940
14941 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14942
14943         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
14944
14945         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
14946         access functions for lower bound and element size and only output
14947         if lower bound nonzero or element size not same as that of type.
14948         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
14949
14950 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
14951
14952         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
14953
14954 2004-07-01  Per Bothner  <per@bothner.com>
14955
14956         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
14957
14958 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
14959
14960         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
14961         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
14962         first operand.  Don't optimize if the bitfield is volatile.
14963
14964 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
14965
14966         * c-pretty-print.c (pp_c_postfix_expression): Handle
14967         floating-point comparison operators.
14968         (pp_c_expression): Pass floating-point comparison
14969         operators to pp_c_postfix_expression.
14970
14971 2004-07-01  Roger Sayle  <roger@eyesopen.com>
14972
14973         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
14974         rtx_cost instead of "had_mult" to determine whether the transformed
14975         expression is cheaper than the original.
14976
14977 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
14978
14979         * alias.c (get_alias_set, canon_rtx, get_addr,
14980         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
14981         Use MEM_P.
14982         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
14983         expand_builtin): Likewise.
14984         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
14985         Likewise.
14986         * combine.c (can_combine_p, combinable_i3pat, try_combine,
14987         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
14988         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
14989         record_dead_and_set_regs_1, get_last_value_validate,
14990         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
14991         * cse.c (check_dependence, canon_hash, equiv_constant,
14992         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
14993         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
14994         count_reg_usage): Likewise.
14995         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
14996         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
14997         cselib_record_sets): Likewise.
14998         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
14999         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
15000         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
15001         * df.c (df_uses_record): Likewise.
15002         * dojump (do_jump): Likewise.
15003         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
15004         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
15005         decl_start_label): Likewise.
15006         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
15007         operand_subword, change_address_1, make_safe_from): Likewise.
15008         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
15009         stabilize, force_not_mem): Likewise.
15010         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
15011         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
15012         * expr.c (convert_move, convert_modes, emit_block_move,
15013         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
15014         emit_move_insn_1, expand_assignment, store_expr,
15015         store_constructor_field, store_constructor, store_field,
15016         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
15017         Likewise.
15018         * final.c (cleanup_subreg_operands, alter_subreg,
15019         get_mem_expr_from_op): Likewise.
15020         * flow.c (notice_stack_pointer_modification_1,
15021         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
15022         Likewise.
15023         * function.c (mark_temp_addr_taken, preserve_temp_slots,
15024         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
15025         optimize_bit_field, flush_addressof, purge_addressof_1,
15026         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
15027         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
15028         keep_stack_depressed): Likewise.
15029         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
15030         noce_process_if_block, find_memory): Likewise.
15031         * integrate.c (subst_constants, allocate_initial_values): Likewise.
15032         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
15033         update_equiv_regs): Likewise.
15034         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
15035         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
15036         * optabs.c (expand_abs, emit_unop_insn): Likewise.
15037         * passes.c (rest_of_handle_final): Likewise.
15038         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
15039         move2add_note_store): Likewise.
15040         * ra-build.c (detect_remat_webs): Likewise.
15041         * ra-debug.c (dump_static_insn_cost): Likewise.
15042         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
15043         * recog.c (validate_change, apply_change_group, cancel_changes,
15044         validate_replace_rtx_1, general_operand, register_operand,
15045         nonmemory_operand, push_operand, pop_operand, memory_operand,
15046         indirect_operand, asm_operand_ok, offsettable_memref_p,
15047         offsettable_nonstrict_memref_p, constrain_operands,
15048         store_data_bypass_p): Likewise.
15049         * reg-stack.c (subst_stack_regs_pat): Likewise.
15050         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
15051         copy_cost, reg_scan_mark_refs): Likewise.
15052         * regmove.c (optimize_reg_copy_3, stack_memref_p,
15053         combine_stack_adjustments_for_block): Likewise.
15054         * regrename.c (copyprop_hardreg_forward_1): Likewise.
15055         * reload.c (can_reload_into, push_reload, decompose, immune_p,
15056         find_reloads, find_reloads_address, find_reloads_address_1,
15057         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
15058         find_equiv_reg): Likewise.
15059         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
15060         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
15061         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
15062         delete_address_reloads): Likewise.
15063         * resource.c (mark_referenced_resources): Likewise.
15064         * rtlanal.c (get_jump_table_offset, count_occurrences,
15065         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
15066         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
15067         num_sign_bit_copies1): Likewise.
15068         * rtlhooks.c (gen_lowpart_general): Likewise.
15069         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
15070         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
15071         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
15072         sdbout_global_decl): Likewise.
15073         * simplify-rtx.c (simplify_subreg): Likewise.
15074         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
15075         expand_anon_union_decl, expand_end_case_type): Likewise.
15076         * unroll.c (calculate_giv_inc): Likewise.
15077         * var-tracking.c (stack_adjust_offset_pre_post,
15078         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
15079         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
15080         vt_add_function_parameters): Likewise.
15081         * varasm.c (make_var_volatile, notice_global_symbol,
15082         assemble_external, decode_addr_const, mark_weak,
15083         default_encode_section_info): Likewise.
15084
15085 2004-07-01  Steven Bosscher  <stevenb@suse.de>
15086
15087         * stmt.c (check_seenlabel): Remove.
15088         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
15089
15090 2004-07-01  Richard Henderson  <rth@redhat.com>
15091
15092         * function.h (struct function): Remove x_function_call_count.
15093         (function_call_count): Remove.
15094         * calls.c (expand_call): Don't set it.
15095         * integrate.c (copy_rtx_and_substitute): Likewise.
15096
15097         * function.h (struct function): Remove x_cleanup_label.
15098         (cleanup_label): Remove.
15099         * stmt.c (expand_value_return): Don't use it.
15100         * function.c (free_after_compilation): Don't set it.
15101         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
15102         * cfgexpand.c (tree_expand_cfg): Update call.
15103         * tree.h (expand_function_start): Update decl.
15104
15105 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
15106
15107         PR c/1027
15108         * c-lang.c (c_initialize_diagnostics): Move from here ...
15109         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
15110         (c_tree_printer): Use pretty-printer to format %T.
15111         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
15112         before '*' if not C++.
15113         (pp_c_direct_abstract_declarator): Don't try to print array upper
15114         bound for flexible array members.
15115         * c-tree.h: Include "diagnostic.h".
15116         (c_initialize_diagnostics): Declare.
15117         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
15118         * c-format.c (format_type_warning): New function.  Improve
15119         diagnostics for incorrect format argument types.
15120         (check_format_types): Use it.  Add two parameters.  Use the
15121         TYPE_MAIN_VARIANT of wanted_type.
15122         (check_format_info_main): Pass new parameters to
15123         check_format_types.
15124         (struct format_wanted_type): Update comment.
15125
15126 2004-07-01  Nick Clifton  <nickc@redhat.com>
15127
15128         * target.h (struct gcc_target): Add new field to struct cxx:
15129         import_export_class.
15130         * target-def.h (TARGET_CXX): Initialise the new field.
15131         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
15132         the new field.
15133         * doc/tm.texi: Document the new target hook.
15134
15135 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
15136
15137         * builtins.c (fold_builtin_classify): Fix typo.
15138
15139 2004-07-01  Richard Henderson  <rth@redhat.com>
15140
15141         * function.c (identify_blocks, identify_blocks_1): Remove.
15142         * function.h (identify_blocks): Remove.
15143         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
15144
15145 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
15146
15147         * builtins.c (fold_builtin_classify): New.
15148         (fold_builtin_unordered_cmp): Fix commentary.
15149         (fold_builtin): Use it.
15150         * builtins.def: Define builtins for isnan,
15151         isnanf, isnanl, finite, finitef, finitel,
15152         isinf, isinff, isinfl.
15153
15154 2004-07-01  Richard Henderson  <rth@redhat.com>
15155
15156         * function.h (struct function): Remove dont_emit_block_notes.
15157         * gimple-low.c (lower_function_body): Don't set it.
15158         * cfgexpand.c (expand_block): Don't check it.
15159         * cfglayout.c (insn_locators_initialize): Likewise.
15160         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
15161         * passes.c (rest_of_compilation): Likewise.
15162         * stmt.c (expand_start_bindings_and_block): Likewise.
15163         (expand_end_bindings): Likewise.
15164
15165 2004-07-01  Richard Henderson  <rth@redhat.com>
15166
15167         * cgraph.h (cgraph_build_static_cdtor): Declare.
15168         * cgraphunit.c (cgraph_build_static_cdtor): New.
15169         * c-objc-common.c (build_cdtor): Use it.
15170         * coverage.c (create_coverage): Likewise.
15171         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
15172         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
15173
15174 See ChangeLog.11 for earlier changes.