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2004-09-24 Paolo Bonzini <bonzini@gnu.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-09-24  Paolo Bonzini  <bonzini@gnu.org>
2
3         * hooks.c (hook_tree_tree_bool_null): New.
4         * hooks.h (hook_tree_tree_bool_null): Declare it.
5         * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
6         * targhooks.c (default_fold_builtin): Remove.
7         * targhooks.h (default_fold_builtin): Remove.
8
9 2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10
11         PR rtl-optimization/17625
12         * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.
13
14 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
15
16         PR tree-opt/17624
17         * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
18         Reject if any of the operands occur in an abnormal PHI.
19
20 2004-09-24  Andreas Schwab  <schwab@suse.de>
21
22         * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
23         rules.
24
25 2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
26
27         * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
28         if the GNU assembler is used.
29         (sparc-*-solaris2*): Likewise.
30         * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
31         (dbxout_function_end): Protect N_ENSYM with it.
32         (dbxout_begin_prologue): Protect N_BNSYM with it.
33         * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
34         * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
35         * config/sparc/sol2-gas.h: New file.
36
37 2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>
38
39         PR bootstrap/17369
40         * Makefile.in (@set_gcc_lib_path@): Added.
41
42         * configure.ac: Include ../config/gcc-lib-path.m4. Use
43         TL_AC_GNU_MAKE_GCC_LIB_PATH.
44         * configure: Regenerated.
45
46 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
47
48         PR c/6980
49         * c-typeck.c (build_c_cast): Improve wording of
50         -Wbad-function-cast diagnostic.
51
52 2004-09-23  Hans-Peter Nilsson  <hp@axis.com>
53
54         PR target/17626
55         * config/cris/cris.md (moverside, movemside): Rename variable
56         "reg" to "otherop".  To generate canonical RTX, check that otherop
57         isn't constant instead of checking that operand 1 is a register.
58
59 2004-09-23  Jakub Jelinek  <jakub@redhat.com>
60
61         * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
62
63 2004-09-23  Diego Novillo  <dnovillo@redhat.com>
64             Jakub Jelinek  <jakub@redhat.com>
65
66         * tree-flow.h (find_new_referenced_vars): Add prototype.
67         * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
68         Move to...
69         * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
70         ... here.
71         (mark_new_vars_to_rename): Walk through all operands.
72         * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
73         (execute_fold_all_builtins): Use it.
74         (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.
75
76 2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>
77
78         * gthr-tpf.h: New file.
79         * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
80         * gthr.h: Use gthr-tpf.h on TPF OS.
81
82 2004-09-23 Jeff Law  <law@redhat.com>
83
84         * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
85         than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
86         (substitute_and_fold):  Likewise.
87         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
88         except invariants from SSA_NAME_VALUE.
89         (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
90         and SET_SSA_NAME_EQUIV.
91         (restore_vars_to_original_value, record_const_or_copy): Likewise.
92         (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
93         (record_equality, cprop_into_successor_phis): Likewise.
94         (record_equivalences_from_stmt, cprop_operand): Likewise.
95         (lookup_avail_expr): Likewise.
96         * tree-ssa-pre.c (fini_pre): Remove everything except invariants
97         from SSA_NAME_VALUE.
98         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
99         (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
100         annotation from the VALUE_HANDLE field.
101
102 2004-09-21 Fariborz Jahanian <fjahanian@apple.com>
103
104         PR c++/13989
105         PR c++/9844
106         * tree.c (reconstruct_complex_type): Remove extra "this".
107         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): 
108         Add V4SFmode to case statement.
109
110 2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>
111
112         PR c/16833
113         * doc/extend.texi, doc/invoke.texi: Document interaction of
114         -fno-builtin with format checks.  Note that built-in functions
115         have effects beyond generating code that avoids calls to those
116         functions.
117
118 2004-09-23  Frank Ch. Eigler <fche@redhat.com>
119
120         PR tree-optimization/17533
121         * dominance.c (verify_dominators): Tolerate even more incorrect
122         dominance data during error message printing.
123         * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
124         and edges more correctly.
125         
126 2004-09-23  Dorit Naishlos <dorit@il.ibm.com>
127
128         * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
129         New tree-codes.
130         * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
131         MISALIGNED_INDIRECT_REF.
132         * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
133         * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
134         Likewise.
135         * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
136         (find_interesting_uses_address): Likewise.
137         * fold-const.c (non_lvalue, operand_equal_p): Likewise.
138         (build_fold_addr_expr_with_type): Likewise.
139         * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
140         * print-rtl.c (print_mem_expr): Likewise.
141         * tree-dump.c (dequeue_and_dump): Likewise.
142         * tree-eh.c (tree_could_trap_p): Likewise.
143         * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
144         * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
145         * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
146         Likewise.
147         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
148         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
149         * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
150         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
151         (add_address_candidates, rewrite_address_base): Likewise.
152         * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
153         Likewise.
154         * tree.c (staticp, build1_stat): Likewise.
155
156         * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
157         * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
158         * tree-ssa-operands.c (get_expr_operands): Likewise.
159         * expr.c (expand_expr_real_1): Likewise.
160
161         * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
162         optabs.
163         (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
164         for the new optabs.
165         (expand_ternary_op): New function.
166         * genopinit.c (optabs): Handle the new optabs.
167         * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
168         (init_optabs): Initialize vec_realign_load_optab.
169         (expand_ternary_op): New functions.
170
171         * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
172         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
173         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
174         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
175         * target.h (struct vectorize): New member for struct gcc_target.
176         (misaligned_mem_ok): New member for targetm.vectorize.
177         (builtin_mask_for_load): Likewise.
178         (builtin_mask_for_store): Likewise.
179         * targethooks.c (default_vect_misaligned_mem_ok): New function.
180         * targethooks.h (default_vect_misaligned_mem_ok): New function.
181
182         * config/rs6000/altivec.md (build_vector_mask_for_load): New
183         define_expand.
184         (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
185         (vec_realign_load_v16qi): New define_insn.
186         * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
187         (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
188         * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
189         (altivec_builtin_mask_for_store): New variables.
190         (rs6000_builtin_mask_for_load): New function. Implements
191         TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
192         (rs6000_builtin_mask_for_store): New function. Implements
193         TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
194         (rs6000_expand_builtin): Expand the target builtins
195         builtin_mask_for_load and builtin_mask_for_store.
196         (altivec_init_builtins): Initialize the new target builtins.
197         * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
198         Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.
199
200         * tree-vectorizer.c (vect_create_data_ref): Renamed to
201         vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
202         (vect_create_addr_base_for_vector_ref): Additional argument (offset).
203         (vectorizable_store): Call vect_create_data_ref_ptr with additional
204         arguments, and create an indirect_ref with its return value data_ref.
205         Check aligned_access_p.
206         (vectorizable_load): Handle misaligned loads, using software-pipelined
207         scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
208         vec_realign_load_optab is supported, or using a scheme without
209         software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
210         misaligned_mem_ok is supported.
211
212         (vect_finish_stmt_generation): Typo.
213         (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
214         (vect_analyze_data_refs_alignment): Don't fail vectorization in the
215         presence of misaligned loads.
216         (vect_analyze_data_ref_access): Add check for constant init.
217         (vect_get_symbl_and_dr): Remove duplicate line.
218         * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.
219
220 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
221
222         * builtins.c: Fix a comment typo.
223
224 2004-09-23  Jan Hubicka  <jh@suse.cz>
225
226         * profile.c (branch_prob): Do not verify flow info in the middle of the
227         pass.
228
229 2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
230
231         * cfgloop.h (update_single_exits_after_duplication): Declare.
232         (loopify, split_loop_bb): Declaration changed.
233         * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
234         of rtx.
235         (loopify): Added redirect_all_edges argument.
236         (update_single_exits_after_duplication): Export.
237         * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
238         * tree-flow.h (tree_duplicate_loop_to_header_edge,
239         tree_ssa_loop_version): Declare.
240         * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
241         set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
242         lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
243         lv_update_pending_stmts, tree_ssa_loop_version): New functions.
244
245         * tree-ssa-loop-unswitch.c: New file.
246         * Makefile.in (tree-ssa-loop-unswitch.o): Add.
247         * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
248         * tree-flow.h (tree_ssa_unswitch_loops): Declare.
249         * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
250         * tree-pass.h (pass_unswitch): Declare.
251         * tree-ssa-loop.c (tree_ssa_loop_unswitch,
252         gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
253         * doc/passes.texi: Documen tree level loop unswitching.
254
255 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
256
257         * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.
258
259 2004-09-22  Eric Christopher  <echristo@redhat.com>
260
261         * builtins.c (simplify_builtin_va_start): Remove.
262         (simplify_builtin): Ditto.
263         (fold_builtin_strchr): Ditto.
264         (simplify_builtin_*): Rename remainders to fold_builtin_*.
265         (expand_builtin): Fix up for above changes.
266         (fold_builtin_1): Add new folders. Change for above.
267         (expand_builtin_va_start): Call fold_builtin_next_arg.
268         * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
269         * tree.h: Remove prototype for simplify_builtin.
270
271 2004-09-23  Jan Hubicka  <jh@suse.cz>
272
273         PR debug/17389
274         * dwarf2out.c (dwarf2out_finish): Deal with nested functions
275         of fully inlined functions.
276         * tree-inline.c (inline_forbidden_p_1): Nested functions can be
277         inlined.
278
279         * cfgexpand.c (add_reg_br_prob_note): New function.
280         (expand_gimple_cond_expr): Use it.
281         (tree_expand_cfg): No longer kill the profile.
282         * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
283         only if it is present.
284         * passes.c (rest_of_handle_loop_optimize): Kill the profile.
285         * predict.c (combine_predictions_for_insn): Set the probabilities
286         based on REG_BR_PROB note if present.
287         * predict.c (branch_prob): Profile is read only with
288         flag_branch_probabilities.
289
290 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
291
292         * aclocal.m4: Add in gettext's m4 includes.
293         (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
294         * configure.ac: Add in check for iconv.h
295         * configure: Regenerate.
296
297 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
298
299         * aclocal.m4: Update for rename of gettext-sister.m4.
300
301 2004-09-22  Daniel Berlin <dberlin@dberlin.org>
302
303         Fix PR tree-optimization/17587
304         * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
305         (insert_aux): Instead of here.
306
307 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
308
309         PR tree-optimization/16721
310         * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
311         * tree-ssa-alias.c (create_memory_tag): Move setting of
312         TREE_THIS_VOLATILE ...
313         (get_tmt_for): ... here.
314
315 2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
316
317         * config/sparc/sparc.md (cmove splitter): Fix formatting.
318         (conditional_trap expander): Reject inappropriate CCmodes.
319         (conditional trap insn): Use V9 syntax if possible.
320
321 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
322
323         PR c/16566
324         * c-typeck.c (build_component_ref): Don't special-case
325         COMPOUND_EXPR.
326
327 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
328
329         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
330         returns NULL.
331
332 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
333
334         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
335         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
336         TRUTH_XOR_EXPR): Mention the restriction on types.
337
338 2004-09-22  Matt Austern  <austern@apple.com>
339
340         * config/darwin.c (darwin_make_decl_one_only):
341         Allow coalesced symbol to appear in static archive's table of contents
342
343 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
344
345         PR tree-optimization/17512
346         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
347         special cases.
348
349 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
350
351         * dbxout.c (get_lang_number): Do not define if
352         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
353
354 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
355
356         PR target/15583
357         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
358         builtin_define ("__USE_INIT_FINI__").
359
360 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
361
362         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
363         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
364         * config/s390/s390.h (TARGET_TPF): New macro.
365         * config/s390/s390.md ("eh_return"): New expander.
366         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
367         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
368         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
369         * config/s390/tpf.h (TARGET_TPF): Define to 1.
370         (STACK_POINTER_OFFSET): Increase to 448.
371         (TARGET_DEFAULT): Set -mtpf-trace on as default.
372         (TPF_LOC_DIFF_OFFSET): New macro.
373         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
374         encoding.
375         (__isPATrange): Add prototype.
376         (MD_FALLBACK_FRAME_STATE_FOR): Define.
377         * config/s390/tpf-eh.c: New file.
378
379 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
380
381         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
382         operands in an integer comparison.
383         * tree-cfg.c (find_taken_edge): Call fold() to determine
384         whether the predicate is known.
385
386 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
387
388         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
389         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
390         Create build and doc directories along with the language directories.
391         Don't create doc directory separately.
392         * configure: Regenerate.
393         * Makefile.in: Create all object and executables files built
394         with the build compiler in a build/ directory.
395         (genobjnames): Add missing build objects.
396         (STAGESTUFF): Don't stage the gen* programs.
397         (ggc-none.o): Define dependencies for the target compiler.
398         (build-print-rtl.o): Rename to build/print-rtl.o.
399         (build-errors.o): Rename to build/errors.o.
400         (build-varray.o): Rename to build/varray.o.
401         (maintainerclean): Delete the contents of the build directory.
402         ($(genobjs): %.o): Explicitly use -o.
403         (build/insn-conditions.o): Delete specfic rule to use generic rule.
404         (build/gengtype-lex.o): Likewise.
405         (build/gengtype-yacc.o): Likewise.
406         (build/gcov-iov.o): Likewise.
407
408 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
409
410         * vec.h (VEC_space): Return true if there _is_ space.
411         (VEC_reserve): Adjust.
412
413 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
414
415         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
416         use FPRs for scalar, complex and vector types only.
417
418 2004-09-21 Jeff Law  <law@redhat.com>
419
420         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
421         the opt_stats_d structure.
422         (vrp_data): Change from a varray into a hash table.
423         (vrp_hash_elt): New structure for elements in the vrp hash table.
424         (vrp_hash, vrp_eq):New functions for hashing and testing equality
425         in the vrp hash table.
426         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
427         initialization slightly to make it easier to read.  No longer need
428         to grow/clear the varray.  Instead empty and delete the hash table.
429         (dom_opt_finalize_block): Update due to change of VRP_DATA from
430         a varray to a hash table.
431         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
432
433         * tree-ssa-ccp.c (get_default_value): If we have a constant
434         value recorded for an SSA_NAME, then use that constant as
435         the initial lattice value.
436         (substitute_and_fold): Transfer equivalences discovered into
437         SSA_NAME_EQUIV.
438
439         * tree.h (SSA_NAME_EQUIV): Add comments.
440         (SET_SSA_NAME_EQUIV): Similarly.
441
442 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
443
444         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
445
446         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
447
448 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
449
450         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
451         (finish_decl): Likewise.
452
453 2004-09-21  Devang Patel  <dpatel@apple.com>
454
455         * tree.def (VEC_COND_EXPR): New tree node.
456         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
457
458 2004-09-21  Stan Shebs  <shebs@apple.com>
459
460         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
461         * config/rs6000/darwin-world.asm: Likewise.
462
463 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
464
465         * tree-ssa.c (verify_def): Use print_generic_stmt,
466         not debug_generic_stmt.
467         (verify_use): Ditto.
468         (verify_phi_args): Ditto.
469         (verify_ssa): Ditto.
470
471 2004-09-21  Paul Brook  <paul@codesourcery.com>
472
473         * varasm.c (default_assemble_integer): Return false for values wider
474         than the target word size.  Works around GAS bug.
475
476 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
477
478         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
479         gets value 0.
480         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
481         if it has value 0.
482
483 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
484
485         * c-typeck.c (build_function_call): Give name of object
486         we are attempting to call in error message.
487         * c-objc-common.c (c_tree_printer): Call pp_expression,
488         not return false, for 'E' case.
489
490 2004-09-21  Steven Bosscher  <stevenb@suse.de>
491
492         PR rtl-optimization/17482
493         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
494         load_killed_in_block_p): Clarify comments.
495         (record_last_reg_set_info): Make static inline.
496         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
497         (record_opr_changes): New function to replace the above.
498         (compute_hash_table): Clarify comments.  Use record_opr_changes.
499         (reg_set_between_after_reload_p): Clean up.
500         (reg_used_between_after_reload_p): Likewise.
501         (eliminate_partially_redundant_load): Clarify comments.
502
503 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
504
505         PR rtl-optimization/17266
506         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
507
508 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
509
510         PR rtl-optimization/14851
511         * rtlanal.c (commutative_operand_precedence): Calculate
512         precedence of stripped constant.
513
514 2004-09-20 Jeff Law  <law@redhat.com>
515            Jan Hubicka  <jh@suse.cz>
516
517         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
518         initialize key elements here.
519         (release_ssa_name): Zero the released SSA_NAME here.
520         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
521         (struct tree_ssa_name): Add new "equiv" field.
522         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
523         (tree_ssa_dominator_optimize): No longer allocate, resize or
524         clear CONST_AND_COPIES.
525         (get_value_for, set_value_for): Kill.
526         (thread_across_edge): Get/set the equivalency using
527         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
528         (restore_vars_to_original_value): Likewise.
529         (record_equivalences_from_phis): Likewise.
530         (record_dominating_conditions): Likewise.
531         (record_const_or_copy, record_equality): Likewise.
532         (lookup_avail_expr): Likewise.
533         (record_equivalences_from_stmt, cprop_operand): Likewise.
534         (cprop_into_successor_phis): No longer need to pass around
535         CONST_AND_COPIES.  Callers updated. Get equivalences via
536         SSA_NAME_EQUIV.
537         (cprop_into_phis): Likewise.
538
539 2004-09-20  Matt Austern <austern@apple.com>
540             Zack Weinberg  <zack@codesourcery.com>
541
542         * c-common.c (fix_string_type): Build the unqualified array
543         type unconditionally, then use c_build_qualified_type to get
544         the proper const-qualified variant, and set its
545         TYPE_MAIN_VARIANT to refer to the unqualified type.
546         * c-lex.c (c_lex_return_raw_string): New global.
547         (c_lex_with_flags): Honor it.
548         * c-pragma.h: Declare it.
549
550 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
551
552         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
553
554 2004-09-21  Jan Hubicka  <jh@suse.cz>
555
556         PR middle-end/17126
557         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
558         (tree_rest_of_compilation): Cleanup.
559
560 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
561
562         * config/s390/s390.c (s390_select_rtx_section): Remove.
563         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
564
565 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
566
567         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
568         note to pretend a direct save from the original register when an
569         intermediate register is used for the save.
570
571 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
572
573         * tsystem.h (alloca): Provide a default definition.
574
575         Revert:
576         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
577             * unwind-dw2.c: Call __builtin_alloca, not alloca.
578
579 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
580
581         PR tree-opt/17558
582         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
583         aliasing sets are the same rather than just conflicting.
584
585 2004-09-20  Jan Hubicka  <jh@suse.cz>
586
587         PR middle-end/16460
588
589         * cgraph.c (cgraph_unnest_node): New function.
590         (c_finalize): Rename to ....
591         (c_warn_unused_result_recursivly): ... this one; do only the warning
592         (finish_function): Finalize the toplevel function; do not lower nested tree.
593         * cgraph.h (cgraph_unnest_node): Declare.
594         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
595         nestedness datastructure.
596         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
597         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
598         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
599
600 2004-09-20  Richard Henderson  <rth@redhat.com>
601
602         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
603         from some_small_symbolic_operand_1; export.
604         (some_small_symbolic_operand): Remove.
605         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
606         extra C check.
607         * config/alpha/predicates.md (some_small_symbolic_operand): New.
608
609 2004-09-20  Jan Hubicka  <jh@suse.cz>
610
611         * predict.c (return_prediction): New function.
612         (apply_return_prediction): Likewise.
613         (tree_bb_level_predictions): Likewise.
614         (tree_estimate_probability): Add noreturn exit edges; call
615         bb_level_predictions; fix logic of return heuristics.
616         (predict_paths_leading_to):  Rescuesce from old CVS version of
617         process_note_prediction function.
618         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
619
620 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
621
622         * config/s390/s390.c (s390_frame_info): Added alignment statement for
623         floating point register area on stack.
624
625 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
626
627         * predict.c (expr_expected_value): Use *_CLASS_P macros.
628
629 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
630
631         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
632         generating useless garbage.
633
634 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
635
636         * builtins.c (fold_builtin): Call the new omonymous
637         target hook for machine-dependent built-ins.
638         * target-def.h (TARGET_FOLD_BUILTIN): New.
639         * target.h (struct gcc_target): Add the fold_builtin hook.
640         * targhooks.c (default_fold_builtin): New.
641         * targhooks.h (default_fold_builtin): Declare it.
642
643 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
644
645         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
646         comment typos.
647
648 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
649
650         PR target/17565
651         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
652
653 2004-09-20  Jan Hubicka  <jh@suse.cz>
654
655         * predict.c (estimate_probability): Remove unnecesary code.
656
657 2004-09-19  Ira Rosen  <irar@il.ibm.com>
658
659         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
660         (STMT_VINFO_VECT_DR_BASE): Declare.
661         (VECT_SMODULO): Declare.
662         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
663         (vect_compute_array_base_alignment): New function.
664         (vect_analyze_data_ref_access): Check array indices. Remove one
665         dimensional arrays restriction.
666         (vect_get_ptr_offset): New function.
667         (vect_get_symbl_and_dr): New function.
668         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
669         (former name vect_get_base_decl_and_bit_offset).
670         (vect_create_index_for_array_ref): Removed.
671         (vect_create_index_for_vector_ref): New function.
672         (vect_create_addr_base_for_vector_ref): New function.
673         (vect_create_data_ref): Handle additional data refs. Call
674         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
675         (vect_compute_data_ref_alignment): Support the changes. Call
676         vect_get_base_and_bit_offset.
677         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
678         data refs. Store vect_dr_base.
679         (vect_analyze_data_ref_accesses): Support nonconstant init.
680         (new_stmt_vec_info): Initialize vect_dr_base field.
681         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
682         (get_vectype_for_scalar_type): Check for BLKmode.
683         * tree-chrec.h (initial_condition_in_loop_num): Declare.
684         * tree-chrec.c (initial_condition_in_loop_num): New function.
685         (chrec_component_in_loop_num): New function.
686         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
687         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
688         to be pointer to varray_type.
689
690 2004-09-19  Jan Hubicka  <jh@suse.cz>
691
692         * basic-block.h (update_bb_profile_after_threading): Declare.
693         * cfg.c (update_bb_profile_after_threading): Break out from ...
694         * cfgcleanup.c (try_forward_edges): ... here; use it.
695         * tree-ssa-dom.c (thread_across_edge): Use it.
696         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
697         profile of the new BB.
698
699 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
700
701         * tree-ssa-pre.c (insert_into_set): Don't put
702         is_gimple_min_invariant values into the set.
703
704 2004-09-19  Andreas Jaeger  <aj@suse.de>
705
706         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
707         prototype.
708
709 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
710
711         * config/cris/cris.h: Preserve the original spelling in a
712         quote.
713
714 2004-09-18 Jeff Law  <law@redhat.com>
715
716         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
717         global varrays to replace the block local varrays.
718         (struct dom_walk_block_data): Remove, no longer used.
719         (get_eq_expr_value): No longer need to pass around pointers to local
720         varrays.  Callers updated.  Unused markers added to unused parameters.
721         (record_range, record_equivalences_from_stmt): Likewise.
722         (record_equivalences_from_incoming_edge): Likewise.
723         (record_var_is_nonzero): Likewise.  Update now that we have a
724         single global varray of SSA_NAMEs that need restoring.
725         (dom_opt_initialize_block_local_data): Kill, no longer used.
726         (tree_ssa_dominator_optimize): Initialize new global varrays.
727         Update callbacks in dominator walker structure.
728         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
729         VRP_VARIABLES_STACK.
730         (restore_nonzero_vars_to_original_value): Update now that we have
731         a single global varray of SSA_NAMEs that need restoring.
732         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
733         Remove unused variables.
734         (optimize_stmt): Remove unused variable.
735
736 2004-09-18  Jan Hubicka  <jh@suse.cz>
737
738         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
739
740         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
741         verify_cgraph call.
742
743 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
744
745         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
746         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
747         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
748         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
749         tree-ssa-operands.c, tree-ssa-phiopt.c,
750         tree-ssa-threadupdate.c: Fix comment typos.
751
752 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
753
754         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
755         config/arm/README-interworking, config/arm/arm-cores.def,
756         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
757         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
758         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
759         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
760         config/frv/frv.md, config/i386/winnt.c,
761         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
762         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
763         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
764         config/mcore/mcore.c, config/mips/mips.h,
765         config/mn10300/mn10300.md, config/pa/pa.c,
766         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
767         config/rs6000/rs6000.c, config/sh/symbian.c,
768         config/sparc/sparc.h: Fix comment typos.  Follow spelling
769         conventions.
770
771 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
772
773         PR c/17424
774         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
775
776 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
777
778         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
779         remove TREE_ADDRESSABLE from RESULT_DECL.
780
781 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
782
783         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
784
785 2004-09-18  Jan Hubicka  <jh@suse.cz>
786
787         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
788         NULL.
789         * tree-ssa-alias.c (init_alias_info): Likewise.
790         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
791         (verify_ssa): Likewise.
792         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
793
794 2004-09-18  Jan Hubicka  <jh@suse.cz>
795
796         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
797         huge offset.
798
799 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
800
801         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
802         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
803         DW_EH_PE_sdata* for data.
804         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
805
806 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
807
808         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
809         shared anyway.
810
811         PR pch/13361
812         * c-typeck.c (constructor_asmspec): Delete.
813         (struct initializer_stack): Delete field 'asmspec'.
814         (start_init): Delete saving of asmspec.
815         (finish_init): Don't update constructor_asmspec.
816         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
817         * stmt.c (expand_asm): Duplicate strings from tree.
818         (expand_asm_operands): Likewise.
819         * tree.c (tree_size): Update computation of size of STRING_CST.
820         (make_node): Don't make STRING_CST nodes.
821         (build_string): Allocate string with tree node.
822         (tree_code_size): Clean up assertions, don't allow requests
823         for "the size of a STRING_CST".
824         * tree.def (STRING_CST): Update comment.
825         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
826         (tree_string): Place contents of string in tree node.
827         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
828         from tree.
829
830 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
831
832         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
833         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
834
835 2004-09-17  Jones Desougi  <jones@ingate.com>
836
837         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
838         * configure, config.in: Regenerate.
839
840 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
841
842         * tree.c, tree.h (tree_class_strings): Make array const.
843         Reindent per coding convention.  Move asterisk to proper place
844         per coding convention.
845
846 2004-09-18  Andreas Schwab  <schwab@suse.de>
847
848         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
849         (tree-vectorizer.o): Likewise.
850         (targhooks.o): Likewise.
851
852 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
853             Zack Weinberg  <zack@codesourcery.com>
854
855         * alias.c (find_base_decl): Remove unreachable case '3' block.
856         * expr.c (safe_from_p): Abort if passed a type.
857         * tree-gimple.c (recalculate_side_effects): Abort if passed
858         anything other than an expression.
859         * tree-ssa-pre.c (phi_translate): Return expr immediately if
860         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
861         Abort on un-handled tree classes.
862         (valid_in_set): Likewise.
863         * tree.c (tree_code_class_strings): New static data.
864
865         * tree.h (enum tree_code_class): New.
866         (tree_code_class_strings): Declare.
867         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
868         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
869         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
870         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
871         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
872
873         * tree.def, c-common.def, objc/objc-tree.def: Use
874         tree_code_class enumeration constants instead of code letters.
875
876         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
877         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
878         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
879         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
880         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
881         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
882         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
883         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
884         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
885         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
886         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
887         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
888         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
889         Update to match.
890
891         * LANGUAGES: Add note about change.
892
893 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
894
895         PR tree-optimization/17319
896         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
897         examine pointers on the LHS of an assignment.
898         (collect_points_to_info_r): Handle RETURN_EXPR.
899
900 2004-09-17 Jeff Law  <law@redhat.com>
901
902         * tree-ssa-dom.c (const_and_copies_stack): New.
903         (dom_walk_block_data): Remove const_and_copies field.
904         (record_const_or_copy): No longer need to pass in varray_type *.
905         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
906         Callers updated.
907         (record_equality): Similarly.
908         (restore_vars_to_original_value): Similarly.  Revamp to use new
909         single global stack rather than per-block stacks.
910         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
911         (thread_across_edge): Remove now unused parameters.
912         (dom_opt_initialize_block_local_data): No longer test the block
913         local CONST_AND_COPIES.
914         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
915
916 2004-09-17  Jan Hubicka  <jh@suse.cz>
917
918         PR tree-optimization/17509
919         * tree-optimize.c (update_inlined_to_pointers): New function.
920         (tree_rest_of_compilation): Use it.
921
922 2004-09-17  Devang Patel  <dpatel@apple.com>
923
924         * dbxout.c (get_lang_number): New.
925         (dbxout_init): Include lang number in N_SO  stab.
926         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
927         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
928
929 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
930
931         PR tree-optimization/17273
932         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
933         replacement is a constant.
934
935 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
936
937         * c-tree.h (enum c_typespec_keyword): New.
938         (struct c_declspecs): Adjust description of "type".  Remove
939         specbits, explicit_int_p and explicit_char_p.  Rename
940         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
941         short_p, signed_p, unsigned_p and complex_p.
942         (finish_declspecs): New.
943         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
944         typename): Call finish_declspecs.
945         * c-decl.c (finish_declspecs): New.
946         (declspecs_add_type): Check for combinations which cannot occur in
947         valid specifier lists.  Update comments.
948         (shadow_tag_warned): Remove checks done in finish_declspecs.
949         Don't report useless type name if type defaulted to int.
950         (grokdeclarator): Remove checks and actions done in
951         finish_declspecs.  Don't allow for type being NULL.  Update for
952         datastructures changes.  Initialize decl_attr.
953         (build_null_declspecs, quals_from_declspecs): Update for
954         datastructures changes.
955
956 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
957
958         * doc/extend.texi: Fix duplicated word.
959
960 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
961
962         * doc/invoke.texi: Remove stray explanation on
963         -freduce-all-givs and -fmove-all-movables.
964
965 2004-09-17  James Morrison  <phython@gcc.gnu.org>
966
967         * doc/cfg.texi: Use @smallexample.
968         * doc/md.texi: Likewise.
969         * doc/tree-ssa.texi: Likewise.
970         * doc/extend.texi: Likewise.  Use @r{} in comments.
971         * doc/trouble.texi: Use @r{} in comments.
972
973 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
974
975         * configure.ac (gcc_cv_gld_version): Handle whitespace before
976         "VERSION=".
977         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
978         * configure: Regenerate.
979
980 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
981
982         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
983         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
984         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
985         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
986         slashes in substitutions.
987         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
988
989 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
990
991         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
992         gimplify.c, lambda-code.c, optabs.c, predict.c,
993         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
994         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
995         conventions.
996
997 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
998
999         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
1000         doc/extend.texi, doc/install.texi, doc/invoke.texi,
1001         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
1002         doc/trouble.texi: Use @option around options.
1003
1004 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
1005
1006         * Makefile.in (gen-protos.o): Depend on errors.h.
1007
1008 2004-09-17  Steven Bosscher  <stevenb@suse.de>
1009
1010         PR tree-optimization/17513
1011         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
1012         for successors of the entry block.
1013
1014 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
1015
1016         PR rtl-optimization/15187
1017         * ifcvt.c (noce_try_cmove_arith): Exit early if total
1018         insn_rtx_cost of both branches > BRANCH_COST
1019
1020 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
1021
1022         PR tree-optimization/17528
1023         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
1024         erase the may-alias set for a tag when merging it with
1025         another.
1026
1027 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
1028
1029         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
1030         for 32-bit TARGET_SHMEDIA.
1031         (call_value): Likewise.
1032
1033 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
1034
1035         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
1036         test apply only to TREE_STATIC and DECL_EXTERNAL.
1037
1038 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1039
1040         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
1041         * basic-block.h (get_dominated_by_region): Declare.
1042         * dominance.c (get_dominated_by_region): New function.
1043         * tree-cfg.c: Include cfglayout.h.
1044         (tree_duplicate_bb): Duplicate also phi nodes.
1045         (struct ssa_name_map_entry): New type.
1046         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
1047         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
1048         allocate_ssa_names, rewrite_to_new_ssa_names_def,
1049         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
1050         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
1051         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
1052         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
1053         rewrite_to_new_ssa_names, allocate_ssa_names,
1054         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
1055         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
1056         (copy_loop_headers): Use tree_duplicate_sese_region.
1057
1058 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
1059
1060         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
1061
1062 2004-09-16 Jeff Law  <law@redhat.com>
1063
1064         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
1065         (rewrite_block_data): Remove, no longer used.
1066         (rewrite_initialize_block_local_data): Remove, no longer used.
1067         (rewrite_initialize_block): Mark parameters as unused as needed.
1068         Change references to the block local block_defs to be block_defs_stack.
1069         Push a marker onto the block_defs_stack.
1070         (ssa_rewrite_initialize_block): Similarly.
1071         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
1072         (ssa_register_new_def): No longer needs varray argument.  Use
1073         block_defs_stack instead.  No longer handle possibly null block_defs
1074         varray.  Reverse order of items we push on the stack to make it
1075         easier to identify our marker.
1076         (register_new_def): No longer handle possibly null block_defs
1077         varray.
1078         (rewrite_finalize_block): Revamp to look for markers in the global
1079         block_defs_stack varray rather than wiping a block local varray.
1080         Mark arguments as unused as needed.
1081         (ssa_rewrite_finalize_block): Similarly.
1082         (rewrite_into_ssa): Update initialization of dom walker structure
1083         to reflect that we don't need block local data anymore.  Initialize
1084         the block_defs_stack varray.
1085         (rewrite_ssa_into_ssa): Similarly.
1086         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
1087         (struct dom_walk_data): Kill block_defs field.
1088         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
1089         (thread_across_edge): Use the global block_defs_stack instead of
1090         the old block_defs varray.
1091         (dom_opt_initialize_block_local_data): Update now that we don't have
1092         block_defs field to check anymore.
1093         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
1094         (restore_currdefs_to_original_value): Use the new block_defs_stack
1095         instead of a block local varray.
1096         (dom_opt_finalize_block): Similarly.
1097         (record_equivalencs_from_phis): Similarly.
1098         (optimize_stmt, register_definitions_for_stmt): Similarly.
1099
1100 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
1101
1102         PR tree-optimization/17517
1103         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1104         coalesce same-root variables without checking for abnormal PHI usage.
1105
1106 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
1107
1108         * cfgloop.h (duplicate_loop):  Add prototype.
1109         * cfgloopmanip.c (duplicate_loop): Make non-static.
1110         * lambda-code.c (perfect_nestify): Factor out test whether
1111         we can handle this loop into separate function.
1112         Call it.
1113         (can_convert_to_perfect_nest): New function.
1114         (replace_uses_of_x_with_y): Add modify_stmt call.
1115         * tree-loop-linear.c (linear_transform_loops): Call
1116         rewrite_into_loop_closed_ssa and free_df.
1117
1118 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
1119
1120         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
1121         loop invariant as well.
1122         (perfect_nestify): new function.
1123         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
1124         upper bounds, and steps.
1125         Set outerinductionvar properly.
1126         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
1127         parameters.
1128         Return NULL if we need a perfect loop and can't make one.
1129         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
1130         (not_interesting_stmt): New function.
1131         (phi_loop_edge_uses_def): Ditto.
1132         (stmt_uses_phi_result): Ditto.
1133         (stmt_is_bumper_for_loop): Ditto.
1134         (perfect_nest_p): Ditto.
1135         (nestify_update_pending_stmts): Ditto.
1136         (replace_uses_of_x_with_y): Ditto.
1137         (stmt_uses_op): Ditto.
1138         (perfect_nestify): Ditto.
1139         * lambda-mat.c (lambda_matrix_id_p): New function.
1140         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
1141         * lambda.h: Update prototypes.
1142         * tree-loop-linear (linear_transform_loop): Use new
1143         perfect_nest_p. Detect and ignore identity transform.
1144         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
1145
1146 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
1147
1148         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
1149         Gather also strides of accessed data.  Pass in the data references
1150         array.
1151         (try_interchange_loops): Add a new heuristic for handling the temporal
1152         locality.  Pass in the data references array.
1153         (linear_transform_loops): Pass the data references array to
1154         try_interchange_loops.
1155
1156 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
1157
1158         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
1159
1160 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
1161
1162         * doc/c-tree.texi (Classes): Remove index entries for
1163         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
1164
1165 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1166
1167         * fold-const.c (fold): Fold difference of addresses.
1168         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
1169         get_inner_reference.
1170         * tree-ssa-loop-ivopts.c (peel_address): Removed.
1171         (ptr_difference_const): Moved to fold-const.c.
1172         (split_address_cost): Use get_inner_reference instead of peel_address.
1173         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
1174         * tree.h (ptr_difference_const): Export.
1175
1176         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
1177         variable type to the dump.  Fix indentation.
1178         (idx_find_step): Handle nonconstant array_ref_element_size and
1179         array_ref_low_bound.
1180         (idx_record_use): Handle array_ref_element_size and
1181         array_ref_low_bound.
1182         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
1183         statements correctly.
1184         (get_computation_at, iv_value): Do not unshare expressions here.
1185         (rewrite_use_outer): Unshare the expression before it is emitted
1186         to code.
1187         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
1188         Moved to tree.c.
1189         * tree.c (unsigned_type_for, signed_type_for): Moved from
1190         tree-ssa-loop-niter.c.  Use langhooks.
1191         * tree.h (signed_type_for): Export.
1192
1193 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
1194
1195         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
1196         prototype.
1197
1198 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
1199
1200         PR target/11572
1201         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
1202         Add two parameters to extra_includes.
1203         (C_INCPATH_INIT): Remove.
1204         * c-incpath.c (register_include_chains): Call extra_pre_includes
1205         before adding the standard include directory.
1206         Update call to extra_includes.
1207         (!defined TARGET_EXTRA_INCLUDES): Update
1208         hook_void_charptr_charptr_int and add !define
1209         TARGET_EXTRA_PRE_INCLUDES.
1210         (!define TARGET_EXTRA_INCLUDES): Define as
1211         hook_void_charptr_charptr_int.
1212         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
1213         (target_c_incpath): Always declare.
1214         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
1215         empty function.
1216         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
1217         * config/darwin.h: (darwin_register_frameworks): Update for
1218         the two new parameters.
1219         (darwin_register_objc_includes): Add prototype.
1220         (TARGET_EXTRA_PRE_INCLUDES): Define.
1221         * config/darwin-c.c (darwin_register_objc_includes): New function.
1222         (darwin_register_frameworks): Update for the two new parameters.
1223         (target_c_incpath): Remove.
1224         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
1225         the compile line.
1226         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
1227         parameters.
1228         (TARGET_EXTRA_PRE_INCLUDES): Document.
1229
1230         * gcc.c (spec_function): Add replace-outfile.
1231         (replace_outfile_spec_function): New function.
1232         * config/darwin.h (LINK_SPEC): Add replace
1233         -lobjc with -lobjc-gnu if -fgnu-runtime is
1234         supplied.
1235         * invoke.texi (replace-outfile): Document.
1236
1237 2004-09-13  Jan Hubicka  <jh@suse.cz>
1238
1239         * predict.c (expr_expected_value, strip_builtin_expect): New function.
1240         (tree_predict_by_opcode): Use it.
1241         (tree_estimate_probability): Add, for now disabled,
1242         strip_builtin_expect call.
1243
1244 2004-09-15  James E Wilson  <wilson@specifixinc.com>
1245
1246         PR target/17455
1247         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
1248         if current_function_decl is a sibcall.
1249
1250 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
1251
1252         * varasm.c (default_function_rdodata_section): Make sure to pass
1253         along a decl for a link-once section.
1254
1255 2004-09-15  Richard Henderson  <rth@redhat.com>
1256
1257         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
1258         warning with code disable.  Fix formatting.
1259
1260 2004-09-15  Steven Bosscher  <stevenb@suse.de>
1261
1262         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
1263         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
1264         after propagating into an ADDR_EXPR.
1265
1266 2004-09-15  Andrew Pinski  <apinski@apple.com>
1267
1268         PR rtl-opt/17427
1269         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
1270         Move it out of gcc_assert.
1271
1272 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
1273
1274         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
1275         except.c, fold-const.c, function.c, langhooks.c, params.c,
1276         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
1277         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
1278         for quoting in diagnostics going through pretty-print.c.  Use ''
1279         for quoting in other diagnostic text.
1280         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
1281         translation.
1282         * Makefile.in (langhooks.o): Update dependencies.
1283         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
1284         formats.
1285
1286 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
1287
1288         * configure.ac: Check for COMDAT support.  Robustify check for
1289         SHF_MERGE support.
1290         * configure: Regenerated.
1291         * config.in: Likewise.
1292         * langhooks-def.h (lhd_comdat_group): New function.
1293         (LANG_HOOKS_COMDAT_GROUP): New macro.
1294         (LANG_HOOKS_DECLS): Use it.
1295         * langhooks.c (lhd_comdat_group): Define.
1296         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
1297         * output.h (named_section_flags): Make it a macro.
1298         (named_section_real): New function.
1299         (default_no_named_section): Add decl parameter.
1300         (default_elf_asm_named_section): Likewise.
1301         (default_coff_asm_named_section): Likewise.
1302         (default_pe_asm_named_section): Likewise.
1303         * target.h (gcc_target): Adjust type of named_section.
1304         * varasm.c (named_section_flags): Rename to named_section_real.
1305         Add decl parameter.
1306         (default_no_named_section): Add decl parameter.
1307         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
1308         with the case that ASM_COMMENT_START is "@".
1309         (default_coff_asm_named_section): Add decl parameter.
1310         (default_pe_asm_named_section): Likewise.
1311         * config/alpha/alpha.c (vms_asm_named_section): Add decl
1312         parameter.
1313         (unicosmk_asm_named_section): Likewise.
1314         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
1315         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
1316         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
1317         * config/cris/cris-protos.h (cris_target_asm_named_section):
1318         Likewise.
1319         * config/cris/cris.c (cris_target_asm_named_section):
1320         Likewise.
1321         * config/darwin/darwin-protos.h (darwin_asm_named_section):
1322         Likewise.
1323         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
1324         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
1325         * config/i386/i386-protos.h (i386_pe_asm_named_section):
1326         Likewise.
1327         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
1328         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
1329         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
1330         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
1331         Likewise.
1332         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
1333         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
1334         * cp/cp-tree.h (cxx_comdat_group): Declare.
1335         * cp/decl.c (cxx_comdat_group): New function.
1336
1337 2004-09-15  Jan Hubicka  <jh@suse.cz>
1338
1339         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
1340         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
1341
1342         * tree-cfg.c (remove_bb): Release SSA defs.
1343
1344 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
1345
1346         * doc/tm.texi: Follow spelling conventions.
1347
1348 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
1349
1350         * tree-ssa-dom.c: Fix comment typos.
1351
1352 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
1353
1354         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
1355         include ccr.
1356         (ppc_fallback_frame_state): Save location of CR.
1357
1358 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
1359
1360         * expr.c (string_constant): Handle also read-only variables
1361         initialized to string literals.
1362
1363         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
1364         into memcpy (x, y, 1) if memcpy can be expanded inline.
1365
1366 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1367
1368         PR tree-optimization/17468
1369         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
1370         definition inside a block precede uses.
1371         * tree-tailcall.c (adjust_return_value): Emit statements in the
1372         correct order.
1373
1374 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
1375
1376         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
1377
1378 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
1379
1380         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
1381
1382 2004-09-14 Jeff Law  <law@redhat.com>
1383
1384         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
1385         (struct dom_walk_block_data): Remove avail_exprs member.
1386         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
1387         (lookup_avail_expr): No longer need to pass in address of
1388         the block local available exprs stack.  All callers changed.
1389         (simplify_cond_and_lookup_avail_expr): Similarly.
1390         (simplify_switch_and_lookup_avail_expr): Similarly.
1391         (get_eq_expr_value, record_cond): Likewise.
1392         (record_dominating_conditions): Likewise.
1393         (update_rhs_and_lookup_avail_expr): Likewise.
1394         (record_equivalences_from_stmt): Likewise.
1395         (dom_opt_initialize_block_local_data): No longer test state of
1396         block local avail_exprs.
1397         (dom_opt_initialize_block): Mark unwind point in the global
1398         avail_expr stack.
1399         (remove_expressions_from_table): Update to unwind to the
1400         most recent unwind marker in the global avail_expr stack.
1401         All callers changed.
1402         (dom_opt_finalize_block): Mark unwind point in the global
1403         avail_expr stack as needed.
1404         (record_cond): Push elements into the global avail_exprs stack.
1405
1406         * tree-dfa.c (free_df_for_stmt): No longer static.
1407         (free_df): Update comments.
1408         * tree-flow.h (free_df_for_stmt): Prototype.
1409         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
1410         call release_defs.
1411
1412 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
1413
1414         PR tree-optimization/17252
1415         * tree-ssa-alias.c (may_alias_p): Don't assume that a
1416         pointer may not point to itself when using relaxed
1417         aliasing rules.
1418
1419 2004-09-14  Richard Henderson  <rth@redhat.com>
1420
1421         PR middle-end/17397
1422         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
1423         while folding <ADDR_EXPR <INDIRECT_REF X>>.
1424
1425 2004-09-14  Andrew Pinski  <apinski@apple.com>
1426
1427         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
1428         sets of the pointers but the aliasing sets of what they point to.
1429
1430 2004-09-14  Roger Sayle  <roger@eyesopen.com>
1431
1432         PR rtl-optimization/9771
1433         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
1434         conditional compilation in init_reg_sets_1.
1435         (init_reg_sets_1): Let global_regs[i] take priority over the frame
1436         (but not stack) pointer exceptions to regs_invalidated_by_call.
1437         (globalize_reg): Globalizing a fixed register may need to update
1438         regs_invalidated_by_call.
1439
1440 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
1441
1442         PR tree-optimization/15262
1443         * tree-dfa.c (dump_variable): Also print the type of the
1444         variable.
1445         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
1446         memory tags are of conflicting alias sets but have no aliased
1447         symbols in common, add one tag to the alias set of the other.
1448         (setup_pointers_and_addressables): Remove hack to deal with
1449         programs with no aliased symbols.
1450         (may_alias_p): Don't special case aggregate types.
1451
1452 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
1453
1454         PR c/15498
1455         * doc/invoke.texi (Environment Variables): Correct example locale.
1456
1457 2004-09-14  Jan Hubicka  <jh@suse.cz>
1458
1459         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
1460
1461 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
1462
1463         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
1464
1465 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
1466
1467         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
1468         restrict_p.
1469         (struct c_declarator): Change u.array.quals and pointer_quals to
1470         int.  Add u.array.attrs.
1471         (quals_from_declspecs): New.
1472         * c-decl.c (quals_from_declspecs): New.
1473         (shadow_tag_warned): Give more specific message for useless type
1474         qualifiers.
1475         (build_array_declarator, set_array_declarator_inner,
1476         grokdeclarator, make_pointer_declarator, build_null_declspecs,
1477         declspecs_add_qual): Update for changed structures.
1478
1479 2004-09-14  Jeff Law  <law@redhat.com>
1480
1481         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
1482         to a global varray.
1483         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
1484         (dom_opt_initialize_block_local_data): No longer test state
1485         of stmts_to_rescan.
1486         (dom_opt_finalize_block): Update due to change in scope of
1487         stmts_to_rescan.
1488         (optimize_stmt): Similarly.
1489
1490 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1491
1492         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
1493         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
1494         comment typos.  Follow spelling conventions.
1495
1496 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1497
1498         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
1499         config/i386/predicates.md, config/sparc/sparc.c: Follow
1500         spelling conventions.
1501
1502 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1503             Steven Bosscher  <stevenb@suse.de>
1504
1505         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
1506         * basic-block.h (struct reorder_block_def): Add copy_number field.
1507         * cfgloop.h (biv_p): Declare.
1508         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
1509         * common.opt (fsplit-ivs-in-unroller): New flag.
1510         * loop-iv.c (biv_p): New function.
1511         * loop-unroll.c: Include hashtab.h and recog.h.
1512         (struct iv_to_split, struct split_ivs_info): New types.
1513         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
1514         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
1515         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
1516         insert_base_initialization, split_iv): New functions.
1517         (peel_loop_completely, unroll_loop_constant_iterations,
1518         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
1519         Use them.
1520         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
1521
1522 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1523
1524         * tree-cfg.c (thread_jumps): Update dominators correctly in
1525         case destination of threaded edge dominates its source.
1526
1527 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1528
1529         * unroll.c: Removed.
1530         * loop.h: Removed.
1531         * Makefile.in (LOOP_H, unroll.o): Removed.
1532         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
1533         dependency.
1534         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
1535         reference.
1536         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
1537         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
1538         * loop.c: Do not include loop.h.
1539         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
1540         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
1541         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
1542         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
1543         struct loop_regs, struct loop_movables, struct loop_info): Moved
1544         from loop.h.
1545         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
1546         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
1547         find_common_reg_term, loop_iterations, final_giv_value): Moved
1548         from unroll.c.
1549         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
1550         loop_dump_stream, for_each_insn_in_loop, express_from,
1551         extend_value_for_giv, loop_iv_add_mult_emit_before,
1552         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
1553         loop_insn_first_p, get_condition_for_loop,
1554         loop_insn_emit_before, loop_insn_hoist,
1555         loop_insn_sink): Made static.
1556         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
1557         reference.
1558         (strength_reduce): Do not call unroller.
1559         (record_giv): Do not initialize unrolled field.
1560         (prescan_loop): Do not set loop_info->preconditioned.
1561         * passes.c: Do not include loop.h.
1562         (rest_of_handle_loop_optimize): Do not call unroller.
1563         * predict.c: Do not include loop.h.
1564         * rtl.h (NOTE_PRECONDITIONED): Removed.
1565         * stmt.c: Do not include loop.h.
1566         * toplev.c: Do not include loop.h.
1567         (process_options): Do not handle flag_old_unroll_loops.
1568
1569         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
1570         Documentation removed.
1571         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
1572
1573 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
1574
1575         * Makefile.in (STAGE1_CHECKING): New variable.
1576         (stage1_build): Use it.
1577         * tree-ssa.c (verify_ssa): Preserve state of dominance
1578         information.
1579
1580 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
1581
1582         * config/i386/i386.c (output_fp_compare): Add generation
1583         of ftst instruction.
1584         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
1585         Use output_fp_compare () function.
1586         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
1587         (fix_truncdi_memory): Remove operands[5] copy.
1588
1589 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
1590
1591         * config/m32r/m32r.md, config/m68k/m68kelf.h,
1592         config/mcore/mcore.md, config/rs6000/linux64.h,
1593         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
1594         typos.
1595
1596 2004-09-13  James E Wilson  <wilson@specifixinc.com>
1597
1598         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
1599         * gen-protos.c: Include errors.h.
1600         (progname): Delete.
1601
1602 2004-09-14  Jan Hubicka  <jh@suse.cz>
1603
1604         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
1605         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
1606         (predict_loops): Use number_of_iterations_exit to predict
1607         number of iterations on trees.
1608
1609 2004-09-13  Dale Johannesen  <dalej@apple.com>
1610
1611         PR 17408
1612         PR 17409
1613         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
1614         objects declared extern.
1615
1616 2004-09-14  Paul Brook  <paul@codesourcery.com>
1617
1618         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
1619         HOST_WIDE_INT.
1620
1621 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
1622
1623         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
1624         Only use TYPE_BINFO for aggregates.
1625
1626 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
1627
1628         * expmed.c (synth_mult): Initialize latency.  Check cost before
1629         checking ops count.
1630
1631 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
1632
1633         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
1634         add_call_clobber_ops and add_call_read_ops.
1635         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
1636         the number of vdefs and vuses inserted based on analysis of global
1637         variables across calls.  * tree-dfa.c (find_referenced_vars):
1638         Needed to reset static var maps before each function is compiled.
1639         * cgraphunit.c:
1640         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
1641         static_vars_info,functions_to_static_vars_info,module_statics_escape,
1642         all_module_statics,searchc_env,dfs_info): New fields to support
1643         analysis of static global variables.
1644         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
1645         cgraph_reset_static_var_maps, get_global_static_vars_info,
1646         get_global_statics_not_read, get_global_statics_not_written,
1647         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
1648         check_rhs_var, check_lhs_var, get_asm_expr_operands,
1649         process_call_for_static_vars, scan_for_static_refs,
1650         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
1651         clear_static_vars_maps, cgraph_propagate_bits,
1652         cgraph_characterize_statics): New. Functions to support analysis
1653         of static global variables.
1654         (cgraph_mark_local_and_external_functions): Renamed from:
1655         (cgraph_mark_local_functions)
1656         (cgraph_expand_all_functions): Remove call to
1657         cgraph_mark_local_and_external_functions.
1658         (cgraph_optimize): Added driver to analyze static variables whose
1659         scope is within the compilation unit.  * cgraph.h (struct
1660         cgraph_local_info, GTY): Added statics_read, statics_written,
1661         local, calls_read_all, calls_write_all, for_functions_valid.
1662         (struct cgraph_node): Added next_cycle.  * cgraph.c
1663         (dump_cgraph_node): Added print routines for new fields.  *
1664         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
1665         list.
1666
1667 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
1668
1669         * c-decl.c (grokdeclarator): Correct comments about where storage
1670         class specifiers are rejected by grammar and add corresponding
1671         asserts.  Diagnose typedefs and parameters declared inline.
1672         Change warning for inline main to a pedwarn.  Only diagnose inline
1673         main if hosted.
1674         (declspecs_add_scspec): Allow duplicate "inline".
1675
1676 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
1677
1678         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
1679         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
1680
1681 2004-09-13  Richard Henderson  <rth@redhat.com>
1682
1683         PR 17436
1684         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
1685         (tree_type): Replace spare with contains_placeholder_bits.
1686         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
1687         make static.  Remove seen_types list.
1688         (type_contains_placeholder_p): New.
1689
1690 2004-09-13  James E Wilson  <wilson@specifixinc.com>
1691
1692         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
1693         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
1694         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
1695         bdesc_arrays instead of mips_bdesc.
1696         (mips_init_builtins): Likewise.
1697         * config/mips/mips.h (TARGET_SB1): New.
1698         (HAVE_SQRT_P): Delete.
1699         * config/mips/mips.md (divide_condition): Support V2SF.
1700         (sqrt_condition, recip_condition): New.
1701         (div<mode>3): Use ANYF instead of SCALARF.
1702         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
1703         MODE.
1704         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
1705         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
1706         instead of MODE.
1707         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
1708         instead of SCALARF.  Use UNITMODE instead of MODE.
1709
1710 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
1711
1712         * config.in: Regenerate after removal of libbanshee.
1713
1714 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
1715
1716         PR tree-optimization/17400
1717         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
1718         coalesce partitions when one occurs in an abnormal PHI.
1719
1720 2004-09-13  Andrew Pinski  <apinski@apple.com>
1721
1722         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
1723         name to _new_size.
1724
1725 2004-09-13  Richard Henderson  <rth@redhat.com>
1726
1727         PR inline-asm/6806
1728         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
1729         (cselib_invalidate_rtx_note_stores): New.
1730         (cselib_record_sets, cselib_process_insn): Update to match.
1731         * cselib.h (cselib_invalidate_rtx): Declare.
1732         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
1733
1734 2004-09-13  Richard Henderson  <rth@redhat.com>
1735
1736         PR tree-opt/10528
1737         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
1738         after copying its argument.
1739
1740 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
1741
1742         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
1743         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
1744         in diagnostics.  Use %' for English apostrophes.
1745         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
1746         (pedwarn_c90, pedwarn_c99): Use it.
1747         * c-decl.c (lookup_label): Quote label name in diagnostic.
1748         * c-parse.in (yyprint): Use ' instead of ` for left quote.
1749         * c-typeck.c (warn_for_assignment): Likewise.
1750
1751 2004-09-13  Jan Hubicka  <jh@suse.cz>
1752
1753         * i386.c (x86_schedule): New global variable.
1754         (override_options): Disable scheduling when not supported.
1755         * i386.h (x86_schedule): Declare.
1756         (TARGET_SCHEDULE): New macro.
1757
1758 2004-09-12  Richard Henderson  <rth@redhat.com>
1759
1760         PR c++/16254
1761         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
1762         * tree.c, tree.h (has_cleanups): Remove.
1763
1764 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1765
1766         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
1767         arguments of the phi nodes correctly.
1768
1769 2004-09-12  Jan Hubicka  <jh@suse.cz>
1770
1771         * ggc-common.c (cmp_statistics): Fix sorting.
1772
1773 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
1774
1775         PR target/16795
1776         * expmed.c (expand_divmod): If cheap power of 2 divide is
1777         available, use it for negative constant as well.
1778
1779 2004-09-12  Andrew Pinski  <apinski@apple.com>
1780
1781         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
1782         size of 0.
1783
1784         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
1785
1786 2004-09-12  Richard Henderson  <rth@redhat.com>
1787
1788         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
1789         or minus one.
1790         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
1791         post-reload, and scratch NULL.
1792         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
1793         (x86_shift_adj_2): Use ix86_expand_clear.
1794         (ashldi3): Remove CMOVE expansion difference.
1795         (ashldi3_1): Remove.
1796         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
1797         add constraints for immediates.  New peephole for split-with-temp.
1798         Run splitter after peep2 pass.
1799         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
1800         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
1801         (setcc_2): Rename with *.
1802         * config/i386/predicates.md (reg_or_pm1_operand): New.
1803         (ashldi_input_operand): New.
1804
1805 2004-09-12  Richard Henderson  <rth@redhat.com
1806
1807         * print-rtl.c (print_decl_name): New.
1808         (print_mem_expr): Use it.
1809
1810 2004-09-12  Richard Henderson  <rth@redhat.com
1811
1812         PR 17186, part deux
1813         * except.c (sjlj_emit_function_exit): Fix logic locating
1814         sjlj_exit_after in final block.
1815
1816 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
1817
1818         * common.opt: Remove flags -fmove-all-movables and
1819         -freduce-all-givs.
1820         * loop-invariant.c (find_invariants_to_move):
1821         Remove all uses of flag_move_all_movables.
1822         * loop.c (move_movables): Remove all uses of
1823         flag_move_all_movables.
1824         (strength_reduce): Remove all uses of
1825         flag_reduce_all_givs.
1826         * doc/invoke.texi: Remove documentation of flags
1827         -fremove-all-movables and -freduce-all-givs.
1828
1829 2004-09-11  Roger Sayle  <roger@eyesopen.com>
1830
1831         PR middle-end/17411
1832         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
1833         change. elt->type may be a floating point type, so use fold_convert.
1834
1835 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
1836
1837         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
1838         the thing referenced as used, not the stub itself.
1839
1840 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
1841
1842         * c-tree.h (enum c_storage_class): New.
1843         (struct c_declspecs): Add storage_class, inline_p and thread_p.
1844         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
1845         declarations and "auto" or "register" in file scope empty
1846         declarations.  Give more specific warnings for other cases of
1847         storage class specifiers in empty declarations.
1848         (grokdeclarator): Update for new structures.  Don't check for
1849         multiple storage classes.  Diagnose file-scope "register" if
1850         pedantic.
1851         (build_null_declspecs): Update.
1852         (declspecs_add_scspec): Update.  Diagnose multiple storage class
1853         specifiers and invalid uses of "__thread".
1854
1855 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
1856
1857         * tree.c (tree_code_size): New function, bulk of code from tree_size.
1858         (tree_size, make_node): Use it.
1859         * tree-ssa-pre.c (init_pre): Use it.
1860         * tree.h: Prototype it.
1861
1862 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
1863
1864         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
1865         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
1866         redirect_immediate_use): Use PHI_DF.
1867         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
1868         (bb_for_stmt): Use PHI_BB.
1869         (get_immediate_uses): Use PHI_DF.
1870         * tree-ssa-dse.c (max_stmt_uid): New variable.
1871         (get_stmt_uid): New function.
1872         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
1873         node annotations.
1874         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
1875         (max_uid): Renamed to max_stmt_uid.
1876         (get_stmt_uid): New function.
1877         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
1878         phi node annotations.
1879         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
1880         * tree.h (PHI_BB, PHI_DF): New accessor functions.
1881         (struct tree_phi_node): Add bb and df fields.
1882
1883 2004-09-11  Richard Henderson  <rth@redhat.com>
1884
1885         PR middle-end/17416
1886         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
1887         in conflict loop.
1888
1889 2004-09-11  Jan Hubicka  <jh@suse.cz>
1890
1891         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
1892         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
1893         * i386.md (i387_cw): Add 'uninitialized' mode.
1894
1895         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
1896         (output_location): Break out from ....
1897         (branch_prob): ... here; handle gcov output on trees.
1898         * toplev.c (process_options): No longer be sorry about coverage for
1899         trees.
1900
1901 2004-09-11  Steven Bosscher  <stevenb@suse.de>
1902
1903         PR c++/17412
1904         * fold-const.c (fold): Do not try to fold the operand of a
1905         CLEANUP_POINT_EXPR if that operand does itself not have any
1906         operands.
1907
1908         PR middle-end/17417
1909         * langhooks.c (lhd_decl_printable_name): Make sure that this
1910         function is called with is a decl node that has an identifier.
1911         * tree-pretty-print.c (dump_function_name): New function to
1912         wrap PRINT_FUNCTION_NAME and dump_decl_name.
1913         (print_call_name): Use it.
1914
1915 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
1916
1917         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
1918         "config.h" if not.
1919
1920 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
1921
1922         * tree-ssa-alias.c (collect_points_to_info_r): Handle
1923         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
1924         to OFFSET.
1925
1926 2004-09-11  Richard Henderson  <rth@redhat.com>
1927
1928         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
1929         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
1930         operand of the ADDR_EXPR.
1931         (expand_expr_real_1): Update to match.
1932
1933 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
1934
1935         PR target/17277
1936         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
1937         choose 64-bit version.
1938
1939 2004-09-11  Richard Henderson  <rth@redhat.com>
1940
1941         PR c/17396
1942         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
1943
1944 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
1945
1946         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
1947         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
1948         Insert @: after i.e. or e.g.
1949
1950 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
1951
1952         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
1953         D.xxx rather than <Dxxx>.
1954
1955 2004-09-10  Adam Nemet  <anemet@lnxw.com>
1956
1957         * configure.ac (AC_MSG_CHECKING(what linker to use)):
1958         in_tree_ld_is_elf should be true for LynxOS.
1959         * configure: Regenerate.
1960
1961 2004-09-10  Adam Nemet  <anemet@lnxw.com>
1962
1963         * Makefile.in (all.cross): Add srcextra.
1964
1965 2004-09-10  Roger Sayle  <roger@eyesopen.com>
1966
1967         PR middle-end/17024
1968         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
1969         floating point comparison operators.  Change aborts to gcc_asserts.
1970
1971 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
1972
1973         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
1974
1975 2004-09-10  James E Wilson  <wilson@specifixinc.com>
1976
1977         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
1978         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
1979
1980         * convert.c (convert_to_vector): Replace recursive call with
1981         error_mark_node.
1982
1983         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
1984         Add integer argument named constant.  Use const_tiny_rtx instead of
1985         CONST0_RTX.
1986         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
1987         and CONST1_RTX.
1988         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
1989         vector types.
1990         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
1991         of gen_rtx_raw_CONST_VECTOR.
1992
1993 2004-09-10  Eric Christopher  <echristo@redhat.com>
1994
1995         PR c/16046
1996         * c-parse.in (attribute): Add NULL_TREE for error case
1997         for error recovery.
1998
1999 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
2000
2001         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
2002         (extract_interface_info): Delete prototype.
2003         * c-decl.c (extract_interface_info): Delete stub.
2004         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
2005         it's not already been done ...
2006         (init_c_lex): ... not here.
2007         (fe_file_change): Don't call extract_interface_info.
2008
2009 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
2010
2011         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
2012         typedef_p and typedef_signed_p.
2013         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
2014         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
2015         Check typedef_p and typedef_signed_p, not typedef_decl.
2016         (grokfield): Check typedef_p, not typedef_decl.
2017         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
2018         not typedef_decl.
2019         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
2020         typedef_decl.
2021
2022 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
2023
2024         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
2025
2026 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
2027
2028         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
2029         temporary variables.
2030
2031         * dbxout.c (dbxout_block): Update for
2032         current_function_func_begin_label a string.
2033         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
2034         * except.c (dw2_output_call_site_table): Likewise.
2035         * toplev.c (current_function_func_begin_label): Likewise.
2036         * tree.h (current_function_func_begin_label): Likewise.
2037         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
2038
2039         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
2040         loop.
2041
2042         * config/darwin.c: Include target.h.
2043         (struct machopic_indirection): Make ptr_name a string.
2044         (machopic_indirection_hash): Update for ptr_name a string.
2045         (machopic_indirection_eq): Likewise.
2046         (machopic_indirection_name): Likewise.
2047         (machopic_output_indirection): Likewise.
2048         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
2049         string.  Don't expect stub names to be in the identifier hash table.
2050         Do call strip_name_encoding before looking up entry in ID hash table.
2051         * config/t-darwin (darwin.o): Add target.h to dependencies.
2052
2053         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
2054         of fprintf for register names.
2055
2056         * output.h (unlikely_section_label): Delete declaration.
2057         (unlikely_text_section_name): Likewise.
2058         * varasm.c (unlikely_section_label_printed): Make static.
2059         (unlikely_section_label): Likewise.
2060         (unlikely_text_section_name): Likewise.
2061         (assemble_start_function): Use reconcat.
2062
2063         * rtl.def (REG): Add comment to describe third field.
2064
2065 2004-09-10  Andrew Pinski  <apinski@apple.com>
2066
2067         * config/darwin.c (machopic_mcount_stub_name): Call
2068         machopic_indirection_name instead of making the string
2069         ourselves.
2070
2071 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
2072
2073         Revert
2074
2075         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
2076
2077             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
2078             memory tag is call clobbered, so are its aliases.
2079             (group_aliases): When two memory tags being grouped, if one is
2080             call clobbered, so are the other and its aliases.
2081             (add_may_alias): Remove call-clobbering stuff.
2082             (replace_may_alias): Likewise.
2083             (merge_pointed_to_info): Merge pt_global_mem
2084
2085 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
2086
2087         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
2088         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
2089         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
2090         tree-scalar-evolution.c, tree-ssa-copyrename.c,
2091         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
2092
2093 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
2094
2095         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
2096         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
2097         pair.  Remove match_dup from inputs.  Remove masaccs handling.
2098         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
2099         (masaccs, mdasaccs): Turn into define_insns.
2100
2101 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
2102
2103         * tree-tailcall.c (process_assignment): Only do accumulator transforms
2104         for floating-point types if flag_unsafe_math_optimizations.
2105
2106 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
2107
2108         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
2109         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
2110         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
2111         config/h8300/h8300.md, config/i386/gmm_malloc.h,
2112         config/ia64/ia64.md, config/ip2k/libgcc.S,
2113         config/mips/mips-ps-3d.md, config/mips/mips.c,
2114         config/rs6000/rs6000.c, config/s390/s390.c,
2115         config/sh/symbian.c: Fix comment typos.
2116
2117 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2118
2119         * config/s390/s390.c (s390_emit_prologue): Added missing
2120         "{}" brackets.
2121
2122 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
2123
2124         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
2125         typos.  Follow spelling conventions.
2126
2127 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
2128
2129         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
2130         in diagnostic.  Don't dereference NULL TYPE_NAME.
2131
2132 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
2133
2134         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
2135         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
2136         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
2137         value-prof.c: Fix comment typos.  Follow spelling conventions.
2138
2139 2004-09-10  Jan Hubicka  <jh@suse.cz>
2140
2141         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
2142         * tree-split_edge.c (tree_split_edge): Likewise.
2143         (thread_jumps): Likewise.
2144
2145 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
2146
2147         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
2148         typos.
2149
2150 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
2151
2152         * cgraph.h (cgraph_dump_file): Do not declare.
2153         * cgraphunit.c (cgraph_dump_file): Declare as static.
2154         (init_cgraph): New.
2155         * toplev.c (cgraph_dump_file): Do not declare.
2156         (compile_file): Call init_cgraph.
2157         * tree-dump.c (dump_files): Add IPA dump file, remove
2158         XML dump of call graph.
2159         (get_dump_file_name): Support IPA dump file naming scheme.
2160         * tree.h (enum tree_dump_index): Add IPA dump file, remove
2161         XML dump of call graph.
2162         * doc/invoke.texi (Debugging Options): Document the new options.
2163
2164 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
2165
2166         * doc/extend.texi: Document the FR-V built-in functions.
2167
2168 2004-09-09  James E Wilson  <wilson@specifixinc.com>
2169
2170         * doc/sourcebuild.texi: Delete libbanshee reference.
2171
2172 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
2173
2174         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
2175
2176 2004-09-09  James E Wilson  <wilson@specifixinc.com>
2177
2178         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
2179         before calling vector_types_convertible_p.
2180         (digest_init): Check that inside_init has VECTOR_TYPE before calling
2181         vector_types_convertible_p.  Don't give another error if
2182         convert_for_assignment returns error_mark_node.
2183
2184 2004-09-09  Roger Sayle  <roger@eyesopen.com>
2185
2186         PR middle-end/17055
2187         * fold-const.c (build_zero_vector): New function to construct a
2188         vector (either floating point or integer) of zeros.
2189         (fold_convert): Internally, enable conversions of integer zero
2190         to arbitrary vector types, using the new build_zero_vector.
2191
2192 2004-09-09  Roger Sayle  <roger@eyesopen.com>
2193
2194         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
2195         expand a left shift by an immediate constant as either an ashl or
2196         a sequence of additions.
2197         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
2198         instead of calling gen_ashlsi3 with a constant directly.
2199
2200 2004-09-09  Roger Sayle  <roger@eyesopen.com>
2201
2202         * config/i386/i386.c (ix86_split_long_move): When optimizing for
2203         size, and the low and high parts of a DImode constant are equal,
2204         copy one register to another instead of loading the same immediate
2205         value twice.
2206
2207 2004-09-09  Richard Henderson  <rth@redhat.com>
2208
2209         PR middle-end/17367
2210         * function.c (assign_parm_setup_block): Only put PARALLELs into
2211         a register if use_register_for_decl.
2212
2213 2004-09-09  Eric Christopher  <echristo@redhat.com>
2214
2215         * ra-colorize.c (reset_lists): Move variable declaration inside
2216         ENABLE_CHECKING to avoid unused variable warnings when
2217         not --enable-checking.
2218         (check_colors): Ditto.
2219
2220 2004-09-09  Mike Stump  <mrs@apple.com>
2221
2222         * version.c (version_string): Bump to 4.0.0.
2223         * doc/include/gcc-common.texi (version-GCC): Likewise.
2224
2225 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
2226
2227         * doc/extend.texi (nothrow attribute): The attribute is not
2228         implemented in 3.2 and earlier.
2229
2230 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
2231
2232         * genrecog.c (compute_predicate_codes): Use op0_codes
2233         instead of codes.
2234
2235 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
2236
2237         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
2238         implementation changes.
2239
2240 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
2241
2242         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
2243         a PARALLEL instead of a SET due to added clobbers.
2244
2245 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
2246
2247         * reload.c (find_reloads_address): Pass correct operand to
2248         maybe_memory_address_p.
2249
2250 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
2251
2252         * Makefile.in: Remove libbanshee, tree-alias-*.
2253         Remove tree-alias-common.h dependencies.
2254         * common.opt: Remove -ftree-points-to.
2255         * configure.ac: Remove libbanshee.
2256         * flags.h: Remove pta_type, flag_tree_points_to.
2257         * gengtype.c (open_base_files): Remove tree-alias-type.h.
2258         * opts.c (OPT_ftree_points_to): Remove.
2259         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
2260         * tree-dfa.c: Remove tree-alias-common.h
2261         * tree-into-ssa.c: Ditto.
2262         * tree-outof-ssa.c: Ditto.
2263         * tree-ssa-copyrename.c: Ditto.
2264         * tree-ssa-live.c: Ditto.
2265         * tree-optimize.c: Ditto.
2266         * tree-ssa.c: Ditto.
2267         Remove pass_build_pta, pass_del_pta.
2268         * tree-pass.h: Ditto.
2269         * tree-ssa-alias.c: Remove tree-alias-common.h.
2270         (struct alias_stats_d): Remove pta_queries, pta_resolved.
2271         (pass_may_alias): Remove PROP_pta requirement.
2272         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
2273         (get_tmt_for): Ditto.
2274         (dump_alias_stats): Ditto.
2275         * doc/passes.texi: Remove blurb about points-to analysis.
2276         * fortran/Make-lang.in: Remove tree-alias-*.o.
2277
2278 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
2279
2280         * genattrtab.c (write_insn_cases): New function, split out from
2281         write_attr_case.  Correctly handle define_peepholes when printing
2282         the instruction name.
2283         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
2284
2285 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
2286
2287         PR target/17377
2288         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
2289         * config/cris/cris.c (cris_return_address_on_stack): New function.
2290         * config/cris/cris.md ("return"): For location of return address,
2291         also check cris_return_address_on_stack.
2292
2293 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
2294
2295         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
2296         calling phi_ssa_name_p.
2297
2298 2004-09-09  Richard Henderson  <rth@redhat.com>
2299
2300         PR c/17322
2301         * c-typeck.c (valid_compound_expr_initializer): Use only
2302         initializer_constant_valid_p, and not TREE_CONSTANT.
2303         (digest_init): Likewise.
2304         (output_init_element): Likewise.
2305
2306 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2307
2308         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
2309         live_out_1, prune_hardregs_for_mode, init_one_web_common,
2310         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
2311         record_conflict, compare_and_free_webs, init_webs_defs_uses,
2312         parts_to_webs_1, parts_to_webs, reset_conflicts,
2313         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
2314         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
2315         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
2316         put_move, remove_move, combine, select_spill, colorize_one_web,
2317         try_recolor_web, insert_coalesced_conflicts, check_colors,
2318         break_precolored_alias, restore_conflicts_from_coalesce,
2319         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
2320         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
2321         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
2322         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
2323         check_df): Likewise.
2324         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
2325         real_arithmetic, real_compare, real_exponent, real_ldexp,
2326         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
2327         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
2328         real_digit, real_nan, real_maxval, round_for_format, real_convert,
2329         real_to_target, real_from_target, real_hash, encode_ieee_single,
2330         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
2331         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
2332         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
2333         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
2334         extract_insn, peep2_next_insn, peep2_reg_dead_p,
2335         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
2336         if_test_bypass_p): Likewise.
2337         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
2338         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
2339         emit_swap_insn, swap_to_top, move_for_stack_reg,
2340         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
2341         compensate_edge, convert_regs_1): Likewise.
2342         * regclass.c (init_reg_sets, init_reg_sets_1,
2343         memory_move_secondary_cost): Likewise.
2344         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
2345         Likewise.
2346         * reload.c (push_secondary_reload, find_valid_class, push_reload,
2347         operands_match_p, decompose, immune_p, find_reloads,
2348         find_reloads_toplev, find_reloads_address_1, subst_reloads,
2349         copy_replacements, refers_to_regno_for_reload_p,
2350         reg_overlap_mentioned_for_reload_p): Likewise.
2351         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
2352         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
2353         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
2354         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
2355         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
2356         do_output_reload, fixup_abnormal_edges): Likewise.
2357         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
2358         fill_slots_from_thread, relax_delay_slots): Likewise.
2359         * resource.c (mark_referenced_resources, mark_set_resources):
2360         Likewise.
2361         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
2362         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
2363         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
2364         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
2365         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
2366         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
2367         * rtlhooks.c (gen_lowpart_general): Likewise.
2368         * sbitmap.c (sbitmap_difference): Likewise.
2369         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
2370         sched_analyze, add_forward_dependence): Likewise.
2371         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
2372         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
2373         schedule_insns): Likewise.
2374         * sched-vis.c (print_pattern): Likewise.
2375         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
2376         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
2377         simplify_const_relational_operation, simplify_ternary_operation,
2378         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
2379         Likewise.
2380         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
2381         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
2382         resolve_operand_name_1, expand_return, expand_decl,
2383         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
2384         * stor-layout.c (put_pending_size, smallest_mode_for_size,
2385         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
2386         set_sizetype, get_mode_bounds): Likewise.
2387
2388 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
2389
2390         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
2391         * config/arm/pecoff.h, config/i386/beos-elf.h
2392         * config/i386/cygming.h, config/i386/i386-interix.h:
2393         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
2394         comment cloned from manual.
2395         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
2396
2397 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
2398
2399         * builtins.c (build_va_arg_indirect_ref): New function.
2400         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
2401         build_fold_indirect_ref.
2402         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
2403         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
2404         * tree.h: Declare new function.
2405
2406 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2407
2408         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
2409         dumping for development builds.
2410         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
2411         development builds only.
2412         * genattrtab.c (write_eligible_delay): Fix typo in previous
2413         commit.
2414         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
2415         gcc_assert.
2416
2417 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2418
2419         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
2420         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
2421         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
2422         hoist_code, extract_mentioned_regs_helper, compute_store_table,
2423         insert_store): Use gcc_assert and gcc_unreachable.
2424         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
2425         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
2426         ggc_record_overhead): Likewise.
2427         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
2428         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
2429         ggc_pop_context, clear_marks, validate_free_objects,
2430         ggc_pch_read): Likewise.
2431         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
2432         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
2433         ggc_push_context, check_cookies, ggc_collect,
2434         ggc_print_statistics): Likewise.
2435         * gimple-low.c (lower_function_body, lower_stmt,
2436         lower_bind_expr): Likewise.
2437         * gimplify.c (gimple_tree_eq, push_gimplify_context,
2438         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
2439         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
2440         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
2441         gimplify_case_label_expr, gimplify_exit_block_expr,
2442         canonicalize_component_ref, gimplify_compound_lval,
2443         gimplify_self_mod_expr, gimplify_call_expr,
2444         gimplify_init_ctor_eval, gimplify_init_constructor,
2445         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
2446         gimplify_expr, check_pointer_types_r,
2447         force_gimple_operand): Likewise.
2448         * global.c (global_alloc, build_insn_chain): Likewise.
2449         * graph.c (clean_graph_dump_file,
2450         finish_graph_dump_file): Likewise.
2451         gcov-io.c (gcov_open): Use GCOV_CHECK.
2452
2453 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
2454
2455         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
2456
2457 2004-09-09  Jan Hubicka  <jh@suse.cz>
2458
2459         middle-end/17128
2460         * tree-inline.c (expand_call_inline): Make overactive sanity check
2461         happy.
2462
2463 2004-09-09  Jan Hubicka  <jh@suse.cz>
2464
2465         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
2466         VIEW_CONVERT_EXPR.
2467
2468 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2469
2470         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
2471         (gengtype.o): Depend on errors.h.
2472         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
2473         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
2474         attr_alt_subset_p, attr_alt_subset_of_compl_p,
2475         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
2476         write_test_expr, write_attr_value, write_eligible_delay,
2477         make_internal_attr, make_numeric_value): Likewise.
2478         * genautomata.c (regexp_name, get_str_vect,
2479         gen_presence_absence_set, automaton_decl_hash,
2480         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
2481         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
2482         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
2483         test_unit_reserv, it_is_empty_reserv_sets,
2484         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
2485         reserv_sets_and, output_cycle_reservs, get_free_state,
2486         intersected_state_reservs_p, states_union, remove_arc,
2487         copy_insn_regexp, transform_1, transform_2, transform_3,
2488         regexp_transform_func, store_alt_unit_usage,
2489         check_regexp_units_distribution, process_seq_for_forming_states,
2490         process_alts_for_forming_states, make_automaton,
2491         form_arcs_marked_by_insn, create_composed_state,
2492         set_out_arc_insns_equiv_num, partition_equiv_class,
2493         process_insn_equiv_class, set_insn_equiv_classes,
2494         units_to_automata_heuristic_distr, form_regexp,
2495         longest_path_length, output_dfa_max_issue_rate, add_vect,
2496         out_state_arcs_num, add_vect_el, output_trans_table,
2497         output_state_alts_table, output_dead_lock_vect,
2498         output_max_insn_queue_index_def,
2499         output_min_insn_conflict_delay_func,
2500         output_internal_insn_latency_func, output_print_reservation_func,
2501         output_cpu_unit_reservation_p, output_state_arcs,
2502         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
2503         make_default_insn_latency_attr,
2504         form_important_insn_automata_lists): Likewise.
2505         * genemit.c (gen_exp, output_add_clobbers,
2506         output_added_clobbers_hard_reg_p): Likewise.
2507         * genextract.c (print_path, main): Likewise.
2508         * genflags.c (gen_macro): Likewise.
2509         * gengenrtl.c: Include errors.h
2510         (type_from_format, accessor_from_format): Likewise.
2511         * gengtype.c (get_file_basename, output_mangled_typename,
2512         walk_type, write_types_process_field,
2513         write_types_local_process_field): Likewise.
2514         * genmodes.c (complete_mode): Likewise.
2515         * genopinit.c (gen_insn): Likewise.
2516         * genoutput.c (output_insn_data, check_constraint_len,
2517         constraint_len): Likewise.
2518         * genpreds.c (add_mode_tests):Likewise.
2519         * gen-protos.c (add_hash): Likewise.
2520         * genrecog.c (find_operand, find_matching_operand,
2521         validate_pattern, add_to_sequence, maybe_both_true,
2522         nodes_identical_1, merge_trees, write_switch, write_cond,
2523         write_action, is_unconditional, make_insn_sequence,
2524         debug_decision_2): Likewise.
2525         * gensupport.c (is_predicable, collect_insn_data,
2526         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
2527
2528 2004-09-09  Jan Hubicka  <jh@suse.cz>
2529
2530         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
2531         * cfgbuild.c (compute_outgoing_frequencies): When probability is
2532         missing, guess it.
2533         (find_many_sub_basic_blocks): Do update profile only when it is
2534         present.
2535         * predict.c (set_even_probabilities): Break out from ...
2536         (combine_predictions_for_insn): ... here; deal with
2537         !can_predict_insn_p insns.
2538         (combine_predictions_for_bb): Use set_even_probabilities.
2539         (bb_estimate_probability_locally): Break out from ....
2540         (estimate_probability): ... here.
2541         (guess_outgoing_edge_probabilities): New entry point.
2542
2543 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
2544
2545         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
2546         handle_braces, process_brace_body, main, used_arg,
2547         set_multilib_dir, print_multilib_info): Use fatal, not abort.
2548
2549         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
2550
2551         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
2552         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
2553         Morgan's theorem in last checkin.
2554
2555 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2556             Nathan Sidwell  <nathan@codesourcery.com>
2557
2558         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
2559         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
2560         * timevar.c (timevar_push, timevar_pop, timevar_start,
2561         timevar_stop): Likewise.
2562         * toplev.c (default_pch_valid_p): Likewise.
2563         * tracer.c (tail_duplicate): Likewise.
2564         * tree-alias-common.c (get_alias_var_decl,
2565         get_values_from_constructor, create_alias_var, delete_alias_vars,
2566         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
2567         Likewise.
2568         * tree.c (tree_size, make_node_stat, copy_node_stat,
2569         build_int_cst_wide, integer_all_onesp, list_length, chainon,
2570         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
2571         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
2572         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
2573         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
2574         build_method_type_directly, decl_type_context, get_callee_fndecl,
2575         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
2576         tree_fold_gcd): Likewise.
2577         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
2578         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
2579         cleanup_control_expr_graph, find_taken_edge,
2580         find_taken_edge_switch_expr, phi_alternatives_equal,
2581         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
2582         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
2583         tree_split_edge, tree_verify_flow_info, thread_jumps,
2584         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
2585         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2586         chrec_fold_multiply_poly_poly): Likewise.
2587         * tree-complex.c (extract_component, expand_complex_division,
2588         expand_complex_comparison, expand_complex_operations_1,
2589         build_replicated_const, expand_vector_operations_1): Likewise.
2590         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
2591         build_classic_dir_vector): Likewise.
2592         * tree-dfa.c (compute_immediate_uses_for_phi,
2593         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
2594         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
2595         * tree-dump.c (dequeue_and_dump): Likewise.
2596         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
2597         record_in_finally_tree, replace_goto_queue_1,
2598         maybe_record_in_goto_queue, verify_norecord_switch_expr,
2599         do_return_redirection): Likewise.
2600         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
2601         add_to_dst_predicate_list, find_phi_replacement_condition,
2602         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
2603         Likewise.
2604         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
2605         initialize_inlined_parameters, declare_return_variable,
2606         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
2607         optimize_inline_calls, copy_tree_r): Likewise.
2608         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
2609         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
2610         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
2611         tsi_split_statement_list_after, tsi_split_statement_list_before):
2612         Likewise.
2613         * tree-mudflap.c (mf_varname_tree): Likewise.
2614         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
2615         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
2616         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2617         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
2618         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
2619         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
2620         Likewise.
2621         * tree-phinodes.c (resize_phi_node, add_phi_arg,
2622         remove_all_phi_nodes_for): Likewise.
2623         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
2624         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
2625         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
2626         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
2627         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
2628         generate_one_element_ref, generate_element_copy,
2629         generate_element_zero, scalarize_copy, scalarize_init,
2630         scalarize_ldst): Likewise.
2631         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
2632         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
2633         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
2634         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
2635         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
2636         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
2637         widen_bitfield, ccp_fold_builtin): Likewise.
2638         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
2639         replace_exp_1, propagate_tree_value): Likewise.
2640         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
2641         * tree-ssa-dce.c (set_control_dependence_map_bit,
2642         find_control_dependence, find_pdom, mark_operand_necessary,
2643         mark_stmt_if_obviously_necessary,
2644         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
2645         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
2646         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
2647         eliminate_redundant_computations, avail_expr_eq): Likewise.
2648         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
2649         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
2650         duplicate_blocks): Likewise.
2651         * tree-ssa-loop-im.c (for_each_index, set_level,
2652         is_call_clobbered_ref): Likewise.
2653         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
2654         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
2655         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
2656         peel_address, ptr_difference_cost, may_replace_final_value,
2657         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
2658         rewrite_use, rewrite_uses): Likewise.
2659         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
2660         check_loop_closed_ssa_use): Likewise.
2661         * tree-ssanames.c (make_ssa_name): Likewise.
2662         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
2663         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
2664         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
2665         get_indirect_ref_operands, add_stmt_operand): Likewise.
2666         * tree-ssa-pre.c (value_exists_in_set_bitmap,
2667         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
2668         phi_translate, valid_in_set, compute_antic,
2669         find_or_generate_expression, create_expression_by_pieces, insert_aux,
2670         create_value_expr_from, eliminate): Likewise.
2671         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
2672         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
2673         Likewise.
2674         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
2675         eliminate_tail_call): Likewise.
2676         * tree-vectorizer.c (vect_create_index_for_array_ref,
2677         vect_align_data_ref, vect_create_data_ref,
2678         vect_create_destination_var, vect_get_vec_def_for_operand,
2679         vect_finish_stmt_generation, vect_transform_stmt,
2680         vect_transform_loop_bound, vect_transform_loop,
2681         vect_analyze_operations): Likewise.
2682         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
2683         Likewise.
2684         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
2685         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
2686         bsi_after_labels, bsi_last): Likewise.
2687         * tree-ssa-live.c (var_union, change_partition_var,
2688         create_ssa_var_map, calculate_live_on_entry, root_var_init,
2689         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
2690         Likewise.
2691         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
2692         tpa_find_tree): Likewise.
2693         (register_ssa_partition_check): Declare.
2694         (register_ssa_partition): use it.
2695         * tree-ssa-live.c: Include errors.h.
2696         (register_ssa_partition_check): New.
2697         * tree-ssa-operands.c: Include errors.h.
2698         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
2699
2700 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
2701             Catherine Moore  <clm@redhat.com>
2702
2703         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
2704         (FRV_CPU_FR405): New processor enums.
2705         (frv_issue_rate, frv_acc_group): Declare.
2706         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
2707         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
2708         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
2709         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
2710         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
2711         handled by CPP_SPEC.
2712         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
2713         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
2714         (ACC_MASK): New macro.
2715         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
2716         (TARGET_MEDIA_FR450): New macro.
2717         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
2718         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
2719         (LABEL_ALIGN_AFTER_BARRIER): Define.
2720         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
2721         (IACC_FIRST, IACC_LAST): New pair of SPRs.
2722         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
2723         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
2724         (REGISTER_NAMES): Add entries for new registers.
2725         (REG_CLASS_CONTENTS): Update for new register ranges.
2726         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
2727         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
2728         (PACKING_FLAG_USED_P): Delete.
2729         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
2730         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
2731         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
2732         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
2733         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
2734         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
2735         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
2736         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
2737         (CPU_UNITS_QUERY): Define to 1.
2738         * config/frv/frv.c: Include gt-frv.h
2739         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
2740         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
2741         (frv_insn_group): New enumeration.
2742         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
2743         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
2744         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
2745         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
2746         gap left by REGSTATE_LIVE.
2747         (regstate_t): New typedef.
2748         (TARGET_MACHINE_DEPENDENT_REORG): Define.
2749         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
2750         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
2751         Initialize frv_unit_codes[] and frv_type_to_unit[].
2752         (frv_conditional_register_usage): Remove redundant fixing of
2753         accumulator registers.
2754         (frv_insn_packing_flag): Update specification.
2755         (frv_function_prologue): Don't set frv_insn_packing_flag here.
2756         Zero out frv_nops[].
2757         (frv_expand_epilogue): Remove comments about the no-longer-present
2758         SIBCALL_P argument.
2759         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
2760         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
2761         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
2762         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
2763         packing is disabled and if INSN can only issue to M1.
2764         (call_operand): Check TARGET_LONG_CALLS.
2765         (acc_operand, even_acc_operand, quad_acc_operand)
2766         (accg_operand): Simplify.  Don't accept pseudo registers.
2767         (output_move_single): Handle SPR<-zero moves.
2768         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
2769         (frv_registers_update, frv_registers_used_p): Delete.
2770         (frv_registers_set_p): Delete.
2771         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
2772         (frv_issues_to_branch_unit_p): New function.
2773         (frv_packet): New structure.
2774         (frv_cond_flags, frv_regstate_conflict_p): New functions.
2775         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
2776         (frv_registers_update_1, frv_registers_update): New functions.
2777         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
2778         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
2779         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
2780         (frv_sort_insn_group, frv_reorder_packet): New functions.
2781         (frv_pack_insns): Use frv_reorder_packet.
2782         (frv_packet_address): New variable.
2783         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
2784         (frv_register_nop, frv_reorg): New functions.
2785         (bdesc_1arg): Add __SCUTSS.
2786         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
2787         __SUBSS, __SLASS and __SCAN.
2788         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
2789         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
2790         (frv_init_builtins): Register the above builtins.
2791         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
2792         registers.  Turn the referenced accumulators into global registers.
2793         (frv_read_iacc_argument): New function.
2794         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
2795         (frv_split_iacc_move): New function.
2796         (frv_expand_builtin): Handle the new builtins.
2797         * config/frv/frv.md: Replace old schedulers with new order-independent
2798         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
2799         packing algorithm.
2800         (cpu): Add fr550, fr450 and fr405.
2801         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
2802         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
2803         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
2804         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
2805         (fnop, mnop): New patterns.
2806         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
2807         New constants.
2808         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
2809         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
2810         registers.
2811         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
2812         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
2813         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
2814         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
2815         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
2816         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
2817         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
2818         (frv_prefetch0, frv_prefetch): New patterns.
2819         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
2820         -mcpu=simple.  Add -mcpu=fr550.
2821         (MULTILIB_DIRNAMES): Update accordingly.
2822         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
2823         -mcpu=fr450.
2824         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
2825         -mlong-calls and -malign-labels options for FR-V.
2826
2827 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2828
2829         PR c/8420
2830         * c-tree.h (struct c_declspecs): New.
2831         (struct c_declarator, struct c_type_name, struct c_parm): Update
2832         element types.
2833         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
2834         start_function, start_decl, build_c_parm,
2835         make_pointer_declarator): Update prototypes.
2836         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2837         declspecs_add_scspec, declspecs_add_attrs): New.
2838         (split_specs_attrs): Remove.
2839         * c-parse.in (%union): Add dsptype.
2840         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2841         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2842         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2843         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2844         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2845         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2846         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2847         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
2848         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
2849         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
2850         maybe_type_quals_attrs): Change to dsptype.
2851         (struct c_declspec_stack): New.
2852         (current_declspecs, declspec_stack): Change type.
2853         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
2854         structures.
2855         (extdefs): Likewise.
2856         (setspecs): Likewise.
2857         (fndef): Use current_declspecs for empty declspecs list.
2858         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
2859         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
2860         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
2861         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
2862         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
2863         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
2864         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
2865         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
2866         structures and helper functions.  Update comments.
2867         (typespec_nonattr): Correct comment.
2868         (maybe_type_quals_attrs, typename): Update to new structures.
2869         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
2870         shadow_tag, shadow_tag_warned, start_function, start_decl,
2871         build_c_parm, make_pointer_declarator,
2872         set_array_declarator_inner, groktypename): Update to new
2873         structures.
2874         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2875         declspecs_add_scspec, declspecs_add_attrs): New.
2876         (split_specs_attrs): Remove.
2877         (shadow_tag_warned): Make warning for useless type names a
2878         pedwarn.  Give hard error for long, short, signed, unsigned or
2879         _Complex used with struct, union or enum in empty declaration.
2880         Make found_tag a bool.
2881         (grokdeclarator): Remove checks now done at parse time.
2882
2883 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2884
2885         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
2886         c_declarator, struct c_type_name, struct c_parm): New.
2887         (build_array_declarator, set_array_declarator_inner,
2888         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
2889         start_function, start_decl, build_c_parm, build_attrs_declarator,
2890         build_function_declarator, make_pointer_declarator, c_cast_expr,
2891         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
2892         (build_id_declarator): New.
2893         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
2894         structures.
2895         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
2896         ARG_INFO_OTHERS): Remove.
2897         (build_id_declarator): New.
2898         (build_array_declarator, set_array_declarator_inner, groktypename,
2899         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
2900         grokfield, start_function, store_parm_decls_newstyle,
2901         store_parm_decls_oldstyle, store_parm_decls,
2902         build_c_parm, build_attrs_declarator, build_function_declarator,
2903         make_pointer_declarator, grokdeclarator): Update to new
2904         structures.
2905         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
2906         parmtype.
2907         (declarator, notype_declarator, after_type_declarator,
2908         parm_declarator, parm_declarator_starttypename,
2909         parm_declarator_nostarttypename, array_declarator, typename,
2910         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
2911         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
2912         parmlist_1, parmlist_2, parmlist_or_identifiers,
2913         parmlist_or_identifiers_1): Use these types.
2914         (primary, after_type_declarator, parm_declarator_starttypename,
2915         notype_declarator, component_decl, component_declarator,
2916         component_notype_declarator, typename, absdcl,
2917         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
2918         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
2919
2920 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
2921
2922         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
2923         in_typeof, record_maybe_used_decl, pop_maybe_used,
2924         c_expr_sizeof_expr, c_expr_sizeof_type): New.
2925         * c-decl.c (parser_obstack): New.
2926         (c_init_decl_processing): Initialize parser_obstack.
2927         (c_write_global_declarations_1): Check for used but undefined
2928         static functions.
2929         * c-parse.in (%union): Add otype.
2930         (save_obstack_position): New.
2931         (extdefs): Use it.
2932         (unary_expr): Update in_sizeof and in_alignof.  Use
2933         c_expr_sizeof_expr and c_expr_sizeof_type.
2934         (sizeof): Update in_sizeof.
2935         (alignof): Update in_alignof.
2936         (typeof): Update in_typeof.
2937         (typespec_nonreserved_nonattr): Call pop_maybe_used.
2938         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
2939         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
2940         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
2941         (build_external_ref): Set C_DECL_USED or call
2942         record_maybe_used_decl if appropriate.
2943         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
2944
2945 2004-09-08  Eric Christopher  <echristo@redhat.com>
2946
2947         * builtins.c: Fix prototype for fold_builtin_atan.
2948
2949 2004-09-08  Eric Christopher  <echristo@redhat.com>
2950
2951         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
2952         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
2953         fold_builtin_atan): New functions. Migrate function bodies...
2954         (fold_builtin_1): ... from here.
2955
2956 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
2957
2958         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
2959         save_size.
2960
2961 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
2962
2963         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
2964         * config/rs6000/power5.md (power5-lmul): Same.
2965
2966 2004-09-08  Richard Henderson  <rth@redhat.com>
2967
2968         PR rtl-opt/17186
2969         * function.c (expand_function_end): Have fall-off-the-end
2970         return path jump around return register setup.
2971
2972 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2973
2974         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
2975         (output_return): Do not test for the presence of the 'unimp' insn.
2976         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
2977         as predicates instead of custom ones.  Return raw strings when
2978         possible.
2979         (output_sibcall): Likewise.  Concatenate strings.
2980         (output_ubranch): Remove kludge for TurboSPARC.
2981         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
2982         (output_v9branch): Likewise.
2983         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
2984         <#>: Set sparc_indent_opcode if the delay slot is filled.
2985         <(>: Likewise.
2986         <)>: New operand to emit the displacement from the saved PC on return.
2987         <@>: Remove.
2988         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
2989         (ASM_OUTPUT_OPCODE): New macro.
2990         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
2991         * config/sparc/sparc.md (normal_branch, inverted_branch,
2992         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
2993         inverted_fpe_branch): Adjust call to output_cbranch.
2994         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
2995         call to output_v9branch.
2996         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
2997         (output_v9branch): Likewise.
2998
2999 2004-09-08  Devang Patel  <dpatel@apple.com>
3000
3001         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
3002         -segs_read_only_addr and -segs_read_write_addr.
3003         (WORD_SWITCH_TAKES_ARG): Same.
3004         (LINK_SPEC): Same.
3005         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
3006         -segs_read_write_addr.
3007
3008 2004-09-08  Richard Henderson  <rth@redhat.com>
3009
3010         * function.c (reference_callee_copied): New.
3011         (assign_parm_setup_reg): Use it.
3012         * calls.c (initialize_argument_information): Likewise.
3013         (emit_library_call_value_1): Likewise.
3014         * function.h (reference_callee_copied): Declare.
3015
3016         * target.h (struct gcc_target): Add callee_copies.
3017         * target-def.h (TARGET_CALLEE_COPIES): New.
3018         (TARGET_PASS_BY_REFERENCE): Update default.
3019         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3020         * targhooks.c (hook_callee_copies_named): New.
3021         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
3022         hook_pass_by_reference_false.
3023         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
3024         * targhooks.h: Update decls.
3025         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
3026         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3027         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
3028         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
3029         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3030         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
3031         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3032         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
3033         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3034         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
3035         (mips_callee_copies): New.
3036         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3037         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
3038         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3039         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
3040         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3041         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
3042         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3043         * config/sh/sh.c (sh_callee_copies): New.
3044         (TARGET_CALLEE_COPIES): New.
3045         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3046         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
3047         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
3048         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
3049         for FUNCTION_ARG_CALLEE_COPIES.
3050         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
3051
3052 2004-09-08  Devang Patel  <dpatel@apple.com>
3053
3054         * tree-if-conv.c (find_phi_replacement_condition): Return true
3055         edge block.
3056         (replace_phi_with_cond_modify_expr): Select conditional expr args
3057         based on true edge basic block.
3058
3059 2004-09-08  Jan Hubicka  <jh@suse.cz>
3060
3061         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
3062         variables being alias set.
3063
3064 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
3065
3066         * final.c (shorten_branches, final, get_insn_template,
3067         output_alternate_entry_point, final_scan_insn, alter_subreg,
3068         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
3069         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
3070         * fix-header.c (lookup_std_proto): Likewise.
3071         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
3072         verify_local_live_at_start, update_life_info, mark_reg,
3073         calculate_global_regs_live, allocate_reg_life_data,
3074         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
3075         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
3076         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
3077         * fold-const.c (force_fit_type, div_and_round_double,
3078         may_negate_without_overflow_p, int_const_binop, const_binop,
3079         size_binop, size_diffop, fold_convert_const, fold_convert,
3080         invert_tree_comparison, swap_tree_comparison,
3081         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
3082         range_binop, make_range, fold_cond_expr_with_comparison,
3083         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
3084         fold_abs_const, fold_not_const, fold_relational_const, round_up,
3085         round_down): Likewise.
3086         * function.c (find_function_data, assign_stack_temp_for_type,
3087         instantiate_virtual_regs_lossage, aggregate_value_p,
3088         assign_parm_find_entry_rtl, assign_parm_setup_block,
3089         expand_function_start, expand_function_end, keep_stack_depressed,
3090         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
3091
3092 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
3093
3094         * Makefile.in (tree-loop-linear.o): Added.
3095         (OBJS-common): Add tree-loop-linear.o
3096         * common.opt: New flag, ftree-loop-linear.
3097         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
3098         * tree-flow.h: Add prototype for linear_transform_loops.
3099         * tree-optimize.c: Add linear transform after vectorization.
3100         * tree-pass.h: Add struct pass_linear_transform.
3101         * tree-ssa-loop.c: Add pass_linear_transform.
3102         * tree-loop-linear.c: New file.
3103         * lambda-code.c: gcc_assertify.
3104         (gcc_loop_to_lambda_loop): Handle all exit tests.
3105         Handle case where we have (invariant >= induction var).
3106         (find_induction_var_from_exit_cond): Ditto.
3107
3108 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
3109
3110         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
3111         memory tag is call clobbered, so are its aliases.
3112         (group_aliases): When two memory tags being grouped, if one is
3113         call clobbered, so are the other and its aliases.
3114         (add_may_alias): Remove call-clobbering stuff.
3115         (replace_may_alias): Likewise.
3116         (merge_pointed_to_info): Merge pt_global_mem
3117
3118 2004-09-08  Jan Hubicka  <jh@suse.cz>
3119
3120         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
3121         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
3122         (cgraph_expand_function): Remove stale cgraph edges of currently
3123         compiled function; fix non-unit-at-a-time code copying function
3124         node for later reuse.
3125
3126 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
3127
3128         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
3129         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
3130         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
3131         (vec_gc_free, vec_heap_free): New.
3132         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
3133         (DEF_VEC_P): Add allocator argument. Adjust.
3134         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
3135         (DEF_VEC_O): Add allocator argument. Adjust.
3136         (VEC(free)): New.
3137
3138         * tree.h (tree): Define a GC'd vector.
3139         * lamba-code.c (lambda_loop): Likewise.
3140         * value-prof.h (histogram_value): Likewise.
3141
3142 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
3143
3144         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
3145         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
3146         gen_lowpart_common, gen_highpart, gen_highpart_mode,
3147         subreg_highpart_offset, operand_subword, operand_subword_force,
3148         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
3149         set_mem_alias_set, change_address_1, verify_rtx_sharing,
3150         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
3151         try_split, add_insn_after, add_insn_before, remove_insn,
3152         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
3153         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
3154         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
3155         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
3156         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
3157         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
3158         record_path_before_1, check_path_after_1, check_path_after): Likewise.
3159         * except.c (gen_eh_region, resolve_one_fixup_region,
3160         remove_unreachable_regions, convert_from_eh_region_ranges_1,
3161         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
3162         connect_post_landing_pads, sjlj_emit_function_exit,
3163         remove_exception_handler_label, remove_eh_handler,
3164         reachable_next_level, collect_one_action_chain,
3165         output_function_exception_table): Likewise.
3166         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
3167         optimize_save_area_alloca, allocate_dynamic_stack_space,
3168         probe_stack_range, hard_function_value): Likewise.
3169         * expmed.c (mode_for_extraction, store_bit_field,
3170         store_fixed_bit_field, extract_bit_field, expand_shift,
3171         expand_mult_const, expand_mult, choose_multiplier,
3172         expand_mult_highpart, expand_divmod, emit_store_flag,
3173         do_cmp_and_jump): Likewise.
3174         * expr.c (convert_move, convert_modes, move_by_pieces,
3175         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
3176         move_block_from_reg, gen_group_rtx, emit_group_load,
3177         emit_group_move, emit_group_store, use_reg, use_regs,
3178         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
3179         emit_move_insn, emit_move_insn_1, emit_push_insn,
3180         expand_assignment, store_expr, count_type_elements,
3181         store_constructor, store_field, safe_from_p, expand_var,
3182         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
3183
3184 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
3185
3186         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
3187         gcc_assert and gcc_unreachable.
3188         * ddg.c (create_ddg_dependence, add_deps_for_def,
3189         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
3190         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
3191         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
3192         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
3193         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
3194         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
3195         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
3196         dataflow_set_copy, hybrid_search, diagnostic.c,
3197         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
3198         * dojump.c (do_jump): Likewise.
3199         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
3200         compute_dom_fast_query, calculate_dominance_info,
3201         free_dominance_info, get_immediate_dominator,
3202         set_immediate_dominator, get_dominated_by,
3203         redirect_immediate_dominators, nearest_common_dominator,
3204         dominated_by_p, verify_dominators, recount_dominator,
3205         iterate_fix_dominators, add_to_dominance_info,
3206         delete_from_dominance_info): Likewise.
3207         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
3208         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
3209         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
3210         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
3211         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
3212         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
3213         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
3214         output_call_frame_info, output_loc_operands, build_cfa_loc,
3215         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
3216         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
3217         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
3218         splice_child_die, attr_checksum, same_dw_val_p,
3219         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
3220         unmark_dies, value_format, output_loc_list, output_die,
3221         output_pubnames, output_aranges, base_type_die, is_base_type,
3222         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
3223         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
3224         field_byte_offset, add_data_member_location_attribute,
3225         add_const_value_attribute, rtl_for_decl_location,
3226         add_location_or_const_value_attribute, add_byte_size_attribute,
3227         add_bit_offset_attribute, add_bit_size_attribute,
3228         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
3229         decl_start_label, gen_formal_parameter_die,
3230         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
3231         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
3232         force_decl_die, force_type_die, gen_decl_die,
3233         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
3234         dwarf2out_finish): Likewise.
3235
3236 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
3237
3238         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
3239         * builtins.c: Include tree-mudflap.h.
3240
3241 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
3242
3243         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3244         force operand 0.0 into register in XFmode. Also do not force
3245         operand 0.0 into register if !TARGET_CMOVE.
3246         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
3247         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
3248         implement ftst x87 instruction.
3249         (*fp_jcc_7): New insn pattern. Change corresponding split
3250         pattern to handle "general_operand" instead of
3251         "nonimmediate_operand".
3252
3253 2004-09-08  Ben Elliston  <bje@au.ibm.com>
3254
3255         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
3256
3257 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
3258
3259         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
3260         generated from standard va_arg expansion.
3261         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
3262         marked nodes.
3263         (mf_varname_tree, mf_file_function_line_tree): Add some support
3264         for column numbers if compiled with USE_MAPPED_LOCATION.
3265
3266 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
3267
3268         * c-decl.c (groktypename_in_parm_context): Remove function.
3269         * c-tree.h (groktypename_in_parm_context): Remove prototype.
3270
3271 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
3272
3273         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
3274         * c-parse.in: Include c-common.h instead of objc-act.h.
3275         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
3276         myparms, myparm): Remove %type declarations.
3277         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
3278         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
3279         declarations.
3280         (objc_inherit_code, objc_public_flag): Remove.
3281         (typespec_nonreserved_nonattr): Call
3282         objc_get_protocol_qualified_type() instead of get_static_reference()
3283         and get_protocol_reference().
3284         (stmt_nocomp): Call grokparm() on @catch parameter.
3285         (objcdef): Move semantic action to objc_finish_implementation().
3286         (classdef): Move semantic action to objc_start_class_interface(),
3287         objc_continue_interface(), objc_finish_interface(),
3288         objc_start_class_implementation(), objc_continue_implementation(),
3289         objc_start_category_interface() and
3290         objc_start_category_implementation().
3291         (protocoldef): Move semantic actions to objc_start_protocol() and
3292         objc_finish_interface().
3293         (ivar_decl_list): Remove nonterminal.
3294         (visibility_spec): Move semantic actions to objc_set_visibility().
3295         (ivar_decls): Remove assignment to $$.
3296         (ivar_decl): Rephrase in terms of component_decl; call
3297         objc_add_instance_variable().
3298         (ivars, ivar_declarator): Remove nonterminals.
3299         (opt_semi): New nonterminal.
3300         (methodtype): Remove semantic actions.
3301         (methoddef): Move semantic actions to objc_set_method_type(),
3302         objc_start_method_definition() and objc_finish_method_definition().
3303         (methodproto): Move semantic actions to objc_set_method_type() and
3304         objc_add_method_declaration().
3305         (methoddecl): Use objc_typename instead of typename; move semantic
3306         actions to objc_build_method_signature().
3307         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
3308         (optparmlist): Express in terms of optparms and optellipsis.
3309         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
3310         nonterminals.
3311         (keyworddecl): Use objc_typename instead of typename.
3312         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
3313         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
3314
3315 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
3316
3317         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
3318         (MD_FALLBACK_FRAME_STATE_FOR): Update.
3319         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
3320         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
3321         (MD_FROB_UPDATE_CONTEXT): Remove default.
3322         (uw_update_context_1): Instead #ifdef invocation.
3323         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
3324         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
3325         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
3326         (MD_UNWIND_SUPPORT): Undefine this instead.
3327         * config/i386/gnu.h: Likewise.
3328         * config/alpha/linux-unwind.h: New file, macro converted to
3329         function, extracted from..
3330         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
3331         (MD_UNWIND_SUPPORT): Define.
3332         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
3333         * config/i386/linux-unwind.h, config/i386/linux.h,
3334         config/i386/linux64.h: Likewise.
3335         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
3336         MD_HANDLE_UNWABI too.
3337         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
3338         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
3339         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
3340         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
3341         * config/sparc/linux-unwind.h, config/sparc/linux.h,
3342         config/sparc/linux64.h: Likewise.
3343         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
3344         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
3345         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
3346         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
3347         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
3348
3349 2004-09-07  Jan Hubicka  <jh@suse.cz>
3350
3351         * cse.c (fold_rtx):  Avoid building of
3352         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
3353
3354         * tree-ssa-pre.c (grand_bitmap_obstack): New.
3355         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
3356         (init_pre): Initialize obstack.
3357         (fini_pre): Free obstack.
3358
3359 2004-09-07  David Daney  <ddaney@avtrex.com>
3360
3361         * config.gcc: Added support for --with-divide=[breaks|traps] for
3362         mips targets.
3363         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
3364         (TARGET_DIVIDE_TRAPS): New macro.
3365         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
3366         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
3367         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
3368         GENERATE_DIVIDE_TRAPS.
3369         (mips_output_division): Emit conditional trap if
3370         GENERATE_DIVIDE_TRAPS is set.
3371         * doc/install.texi: Document --with-divide.
3372         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
3373
3374 2004-09-07  Caroline Tice  <ctice@apple.com>
3375
3376         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
3377         EDGE_CROSSING, to flags test case.
3378
3379 2004-09-07  Jan Hubicka  <jh@suse.cz>
3380
3381         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
3382         class too.
3383
3384 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3385
3386         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
3387         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
3388         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
3389         or gcc_unreachable.
3390         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
3391         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
3392         alloc_aux_for_edges, free_aux_for_edges): Likewise.
3393         * cfgcleanup.c (try_forward_edges,
3394         merge_blocks_move_predecessor_nojumps,
3395         merge_blocks_move_successor_nojumps): Likewise.
3396         * cfgexpand.c (expand_gimple_cond_expr,
3397         expand_gimple_tailcall): Likewise.
3398         * cfghooks.c (duplicate_block): Likewise.
3399         * cfglayout.c (record_effective_endpoints,
3400         insn_locators_initialize, change_scope, fixup_reorder_chain,
3401         verify_insn_chain, fixup_fallthru_exit_predecessor,
3402         duplicate_insn_chain, cfg_layout_finalize): Likewise.
3403         * cfgloopanal.c (check_irred): Likewise.
3404         * cfgloop.c (superloop_at_depth, flow_loops_free,
3405         flow_loop_entry_edges_find, flow_loops_find,
3406         flow_loop_outside_edge_p, get_loop_body,
3407         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
3408         get_loop_exit_edges, num_loop_branches, cancel_loop,
3409         verify_loop_structure): Likewise.
3410         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
3411         duplicate_loop_to_header_edge, create_preheader,
3412         create_loop_notes): Likewise.
3413         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
3414         edirect_branch_edge, force_nonfallthru_and_redirect,
3415         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
3416         commit_edge_insertions, commit_edge_insertions_watch_calls,
3417         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
3418         cfg_layout_redirect_edge_and_branch_force,
3419         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
3420         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
3421         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
3422         cgraph_varpool_node): Likewise.
3423         * cgraphunit.c (cgraph_finalize_function,
3424         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
3425         cgraph_expand_function, cgraph_remove_unreachable_nodes,
3426         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
3427         cgraph_mark_inline, cgraph_expand_all_functions,
3428         cgraph_build_static_cdtor): Likewise.
3429         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
3430         simplify_logical, distribute_notes, insn_cuid): Likewise.
3431         * conflict.c (conflict_graph_add, print_conflict): Likewise.
3432         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
3433         coverage_checksum_string): Likewise.
3434         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
3435         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
3436         cse_cc_succs, cse_condition_code_reg): Likewise.
3437         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
3438         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
3439         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
3440         cselib_record_set): Likewise.
3441
3442 2004-09-07  Jan Hubicka  <jh@suse.cz>
3443
3444         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
3445
3446 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3447
3448         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
3449         fold_convert.
3450         (fold_builtin_strpbrk): Likewise.
3451         * expr.c (array_ref_low_bound): Likewise.
3452         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
3453         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
3454         * tree-sra.c (generate_element_zero): Likewise.
3455         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
3456         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
3457         add_old_iv_candidates, add_iv_candidates): Likewise.
3458         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
3459
3460 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3461
3462         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
3463         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
3464         c_expand_expr, boolean_increment, nonnull_check_p,
3465         check_function_arguments_recurse, fold_offsetof_1): Likewise.
3466         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
3467         builtin_define_type_max): Likewise.
3468         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
3469         implicit_decl_warning, builtin_function, build_compound_literal,
3470         complete_array_type, grokdeclarator, get_parm_info,
3471         start_function, store_parm_decls_oldstyle,
3472         c_write_global_declarations): Likewise.
3473         * c-format.c (get_constant, decode_format_attr,
3474         maybe_read_dollar_number, get_flag_spec, check_format_arg,
3475         check_format_types, format_type_warning,
3476         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
3477         init_dynamic_diag_info, handle_format_attribute): Likewise.
3478         * c-gimplify.c (push_context, pop_context, finish_bc_block):
3479         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
3480         * c-objc-common.c (c_tree_printer): Likewise.
3481         * c-pch.c (pch_init): Likewise.
3482         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
3483         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
3484         * c-typeck.c (c_incomplete_type_error, composite_type,
3485         common_pointer_type, common_type, same_translation_unit_p,
3486         tagged_types_tu_compatible_p, finish_init, pop_init_level,
3487         set_designator, set_nonincremental_init_from_string,
3488         process_init_element, c_finish_if_stmt): Likewise.
3489         * caller-save.c (init_caller_save, save_call_clobbered_regs,
3490         insert_restore, insert_save, insert_one_insn): Likewise.
3491         * calls.c (emit_call_1, compute_argument_block_size,
3492         precompute_arguments, expand_call, emit_library_call_value_1,
3493         store_one_arg): Likewise.
3494
3495 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
3496
3497         * configure.ac (enable-checking): Add release option. Reorganize
3498         to avoid repetition.
3499         * configure: Rebuilt.
3500         * doc/install.texi (enable-checking): Amend documentation.
3501
3502 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
3503
3504         PR bootstrap/17313
3505         * Makefile.in (specs.ready): Depend on cc1$(exeext).
3506
3507 2004-09-06  James E Wilson  <wilson@specifixinc.com>
3508
3509         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
3510         movdf_hardfloat_32bit): Split fG into two alternatives.
3511         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
3512
3513         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
3514
3515 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
3516
3517         * final.c (output_in_slot): Delete.
3518         (final_scan_insn): Revert 2004-09-03 change.
3519         (output_asm_insn): Likewise.
3520         * config/sparc/sparc.c (output_return): Likewise.
3521         (output_sibcall): Likewise.
3522
3523 2004-09-06  Jan Hubicka  <jh@suse.cz>
3524
3525         * loop.c (loop_dump_aux): Do not print RTL when not available.
3526         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
3527         frontend specific type nodes.
3528         (produce_memory_decl_rtl): Break out from ...
3529         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
3530         (get_computation_at): Avoid random tree sharing.
3531         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
3532
3533 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
3534
3535         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
3536         unnecessary commands.
3537
3538 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
3539
3540         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
3541         (bitmap.o): Likewise.
3542
3543 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
3544
3545         Unify the management of RTL and tree-level dump files.
3546
3547         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
3548         Don't print function name to the dump file, the pass manager
3549         would do this for us. Add code from the top of
3550         rest_of_compilation, up to the initial RTL dump.
3551         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
3552         close the DFI_sibling dump file.
3553         (rest_of_compilation): Don't do that here.  Remove code up to the
3554         initial RTL dump.
3555         (init_optimization_passes): Remove.
3556         (pass_rest_of_compilation): Change pass name to NULL.
3557         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
3558         Do not call init_optimization_passes.
3559         * toplev.h (init_optimization_passes): Remove.
3560
3561         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
3562         finish_graph_dump_file): Remove SUFFIX parameter.
3563         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
3564         finish_graph_dump_file): Likewise.
3565
3566         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
3567         * cfgexpand.c (pass_expand): Adjust.
3568         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
3569         * passes.c (pass_rest_of_compilation): Adjust.
3570         * predict.c (pass_profile): Adjust.
3571         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
3572         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
3573         pass_split_crit_edges, pass_warn_function_return): Adjust.
3574         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
3575         * tree-dfa.c (pass_referenced_vars): Adjust.
3576         * tree-eh.c (pass_lower_eh): Adjust.
3577         * tree-if-conv.c (pass_build_ssa): Adjust.
3578         * tree-into-ssa.c (pass_build_ssa): Adjust.
3579         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
3580         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
3581         * tree-nrv.c (pass_nrv): Adjust.
3582         * tree-optimize.c (pass_gimple, pass_all_optimizations,
3583         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
3584         pass_init_datastructures): Adjust.
3585         * tree-outof-ssa.c (pass_del_ssa): Adjust.
3586         * tree-profile.c (pass_tree_profile): Adjust.
3587         * tree-sra.c (pass_sra): Adjust.
3588         * tree-ssa-alias.c (pass_may_alias): Adjust.
3589         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
3590         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
3591         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
3592         * tree-ssa-dom.c (pass_dominator): Adjust.
3593         * tree-ssa-dse.c (pass_dse): Adjust.
3594         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
3595         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
3596         * tree-ssa-loop-ch.c (pass_ch): Adjust.
3597         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
3598         pass_loop_done, pass_complete_unroll, pass_iv_canon,
3599         pass_iv_optimize, pass_vectorize): Adjust.
3600         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
3601         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
3602         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
3603         pass_late_warn_uninnitialized): Adjust.
3604         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
3605
3606         * Makefile.in (tree-dump.o): Add new dependencies.
3607         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
3608         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
3609         Likewise.
3610         * toplev.c (dump_file_name): New.
3611         * tree-dump.c (dump_enable_all): Add LETTER parameter.
3612         (struct dump_file_info): Add NUM and LETTER fields.
3613         (dump_files): Adjust and add RTL dump files.
3614         (dump_register): Add NUM and LETTER fields.
3615         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
3616         (dump_begin): Use get_dump_file_name.
3617         (dump_switch_p_1): Adjust call to dump_enable_all.
3618         * tree-dump.h (dump_register): Adjust prototype.
3619         * tree-optimize.c (register_one_dump_file): Take dump file index.
3620         Support flags for RTL dumps.
3621         (register_dump_files): Fill in NUM field of struct dump_file_info.
3622         Track properties both when the gate is executed and when it is not.
3623         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
3624         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
3625         dumps of RTL.
3626         * tree-pass.h (dump_file_name): New.
3627         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
3628         New.
3629
3630         * Makefile.in (passes.o): Add new dependencies.
3631         * passes.c (struct dump_file_info, enum dump_file_index,
3632         dump_file_tbl, init_optimization_passes): Remove.
3633         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
3634         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
3635         dump_enabled_p.
3636         (finish_optimization_passes): Update finish_graph_dump_file loop.
3637         (enable_rtl_dump_file): Remove.
3638         * tree-dump.c (dump_files): Adjust and add RTL dump files.
3639         (enable_rtl_dump_file): Add here.
3640         * tree.h (enum tree_dump_index): Add RTL dump file indices.
3641         * doc/invoke.texi (Debugging options): Document new RTL debugging
3642         options.  Update.
3643
3644 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
3645
3646         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
3647         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
3648         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
3649         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
3650         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
3651         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
3652         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
3653         vec.h: Fix comment formatting.
3654
3655 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
3656
3657         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
3658         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
3659         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
3660         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
3661         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
3662         tree-ssa-loop-niter.c, tree-ssa-operands.c,
3663         tree-ssa-operands.h, tree-ssa-propagate.c,
3664         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
3665         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
3666
3667 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
3668
3669         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
3670         vectorizer is enabled.
3671
3672 2004-09-05  Andreas Jaeger  <aj@suse.de>
3673
3674         * tree-if-conv.c: Spell check comments and clean up whitespace.
3675
3676 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3677
3678         * tree-ssa-loop-ivopts.c: New file.
3679         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
3680         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
3681         target_pres_cost, target_spill_cost): Declare.
3682         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
3683         spill_cost): Renamed to ...
3684         (target_avail_regs, target_res_regs, target_small_cost,
3685         target_pres_cost, target_spill_cost): ... and exported.
3686         (init_set_costs, global_cost_for_size): Work with renamed variables.
3687         * common.opt (flag_ivopts): New flag.
3688         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
3689         REF_ORIGINAL.
3690         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
3691         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
3692         generating SSA form.
3693         (force_gimple_operand): New function.
3694         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
3695         * tree-cfg.c (stmt_bsi): New function.
3696         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
3697         PARAM_IV_MAX_CONSIDERED_USES): New.
3698         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
3699         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
3700         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
3701         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
3702         * tree-nested.c (build_addr): Export.
3703         * tree-optimize.c (init_tree_optimization_passes): Add
3704         pass_iv_optimize.
3705         * tree-pass.h (pass_iv_optimize): Declare.
3706         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
3707         IMAGPART_EXPR.
3708         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
3709         as a phi node argument.
3710         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
3711         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
3712         functions.
3713         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
3714         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
3715         pass_iv_optimize): New pass.
3716         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
3717         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
3718         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
3719         * tree.h (REF_ORIGINAL): New macro.
3720         (build_int_cst_type, unsigned_type_for, zero_p,
3721         cst_and_fits_in_hwi, build_addr): Declare.
3722         * doc/invoke.texi (-fivopts): Document.
3723         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
3724         PARAM_IV_MAX_CONSIDERED_USES): Document.
3725         * doc/passes.texi: Document induction variable optimizations pass.
3726
3727 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3728
3729         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
3730         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
3731         * c-common.c (c_common_attribute_table): Accept parameters to
3732         sentinel attribute.
3733         (check_function_sentinel, handle_sentinel_attribute): Likewise.
3734         * doc/extend.texi: Update accordingly.
3735
3736 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3737
3738         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
3739         New.
3740         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
3741         attribute.
3742         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
3743         New functions.
3744         (c_common_attribute_table): Add `sentinel' attribute.
3745         (check_function_arguments): Handle `sentinel' attribute.
3746         * doc/extend.texi: Document `sentinel' attribute.
3747
3748 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
3749
3750         * configure: Regenerated.
3751
3752 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3753
3754         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
3755
3756         * tree.c (save_expr): No longer TREE_READONLY.
3757
3758 2004-09-04  Jan Hubicka  <jh@suse.cz>
3759
3760         * passes.c (rest_of_clean_state):  Fix merge conflict made during
3761         commiting the patch.
3762
3763 2004-09-04  Jan Hubicka  <jh@suse.cz>
3764
3765         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
3766
3767 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3768
3769         * doc/md.texi (shift patterns): New anchor.  Add reference to
3770         TARGET_SHIFT_TRUNCATION_MASK.
3771         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
3772         * target.h (shift_truncation_mask): New target hook.
3773         * targhook.h (default_shift_truncation_mask): Declare.
3774         * targhook.c (default_shift_truncation_mask): Define.
3775         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
3776         (TARGET_INITIALIZER): Include it.
3777         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
3778         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
3779         reject all out-of-range values.  Fix sign-extension code for modes
3780         whose width is smaller than HOST_BITS_PER_WIDE_INT.
3781         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
3782         (expand_superword_shift, expand_subword_shift): Likewise.
3783         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
3784         (expand_binop): Use them to implement double-word shifts.
3785         * config/arm/arm.c (arm_shift_truncation_mask): New function.
3786         (TARGET_SHIFT_TRUNCATION_MASK): Define.
3787
3788 2004-09-04  Jan Hubicka  <jh@suse.cz>
3789
3790         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
3791         (mix): New macro copied from hashtab.c
3792         (iterative_hash_hashval_t, iterative_hash_pointer,
3793         iterative_hash_host_wide_int): New functions based on hashtab.c
3794         implementation.
3795
3796 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3797
3798         * config/mips/mips.md (mask): New mode attribute.
3799         (zero_extendsidi2): Add memory alternative.
3800         (*zero_extendsidi2_mem): Delete.
3801         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
3802         memory_operand in the TARGET_MIPS16 check.
3803         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
3804         Redefine using :GPR and :SHORT.
3805         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
3806
3807 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
3808
3809         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
3810         using rint_optab.
3811         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
3812         expand_builtin_mathfn.
3813         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
3814         btrunc?f patterns for btrunc_optab. Implement rint_optab using
3815         rint?f patterns.
3816         * optabs.c (init_optabs): Initialize rint_optab.
3817         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
3818         Add new OTI_rint.
3819         (btrunc_optab): Rename macro from trunc_optab.
3820         (rint_optab): Define corresponding macro.
3821
3822         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
3823         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
3824
3825         * config/i386/i386-protos.h (emit_i387_cw_initialization):
3826         Change prototype. Add new int parameter.
3827         * config/i386/i386.c (emit_i387_cw_initialization):
3828         Handle new rounding modes.
3829
3830         * config/i386/i386.h (enum fp_cw_mode): Delete.
3831         (MODE_NEEDED): Handle new rounding modes.
3832         (EMIT_MODE_SET): Change condition to handle new rounding modes.
3833
3834         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
3835         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
3836         represent different rounding modes of frndint insn.
3837         (type): Add frndint type.
3838         (i387, length, memory): Handle this type.
3839         (i387_cw): New attribute definition.
3840         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
3841         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
3842         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
3843         Add "i387_cw" attribute defined to "trunc".
3844         (x86_fnstcw_1): Remove comment.
3845         (*frndintxf2): Rename insn definition to frndintxf2. Move
3846         insn definition near rint?f2 expanders.
3847         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
3848         rintf and rintl built-ins as inline x87 intrinsics.
3849         (frndintxf2_floor): New pattern to implement floor rounding
3850         mode with frndint x87 instruction.
3851         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
3852         floorf and floorl built-ins as inline x87 intrinsics.
3853         (frndintxf2_ceil): New pattern to implement ceil rounding
3854         mode with frndint x87 instruction.
3855         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
3856         ceilf and ceill built-ins as inline x87 intrinsics.
3857         (frndintxf2_trunc): New pattern to implement trunc rounding
3858         mode with frndint x87 instruction.
3859         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
3860         truncf and truncl built-ins as inline x87 intrinsics.
3861         (frndintxf2_mask_pm): New pattern to implement rounding
3862         mode with exceptions with frndint x87 instruction.
3863         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
3864         implement nearbyint, nearbyintf and nearbyintl built-ins as
3865         inline x87 intrinsics.
3866
3867 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
3868
3869         * config/mips/mips.md (SHORT): New mode macro.
3870         (size): New mode attribute.
3871         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
3872         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
3873         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
3874         !ISA_HAS_SEB_SEH.
3875         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
3876         *extend[qh]isi2_hw patterns and extending them to di.
3877         (extendqihi2): Implement as define_insn_and_split that produces
3878         extendqisi2 after reload.
3879
3880 2004-09-03  Devang Patel  <dpatel@apple.com>
3881
3882         * Makefile.in (OBJS-common): Add tree-if-conv.o
3883         (tree-if-conv.o): New rule.
3884         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
3885         (get_loop_body_in_bfs_order): New.
3886         * cfgloop.h (get_loop_body_in_bfs_order): New.
3887         * tree-flow.h (enum move_pos): Move here from ..
3888         * tree-ssa-loop-im.c (enum move_pos): here.
3889         (movement_possibility): Make externally visible.
3890         * tree-optimize.c (init_tree_optimization_passes): New entry for
3891         if conversion pass.
3892         * tree-pass.h (pass_if_conversion): New.
3893         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
3894         * tree-if-conv.c: New file.
3895         * doc/passes.texi: Document tree if-conversion pass.
3896         * doc/tree-ssa.texi: Same.
3897
3898 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
3899
3900         PR target/14925:
3901         Makefile.in (LIB2ADDEHSTATIC): New.
3902         (LIB2ADDEHSHARED): New.
3903         (LIBUNWIND): New.
3904         (LIBUNWINDDEP): New.
3905         (SHLIBUNWIND_LINK): New.
3906         (SHLIBUNWIND_INSTALL): New.
3907         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
3908         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
3909         (clean): Remove libunwind*
3910         (stage1-start): Remove and copy stage1/libunwind*.
3911         (stage2-start): Remove and copy stage2/libunwind*.
3912         (stage3-start): Remove and copy stage3/libunwind*.
3913         (stage4-start): Remove and copy stage4/libunwind*.
3914         (stageprofile-start): Remove and copy stageprofile/libunwind*.
3915         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
3916
3917         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
3918         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
3919         tmake_file if --with-system-libunwind isn't used.
3920
3921         * config/ia64/t-glibc-libunwind: New file.
3922         * config/t-libunwind-elf: Likewise.
3923         * unwind-compat.c: Likewise.
3924         * unwind-compat.h: Likewise.
3925         * unwind-dw2-fde-compat.c: Likewise.
3926
3927         * config/ia64/t-glibc (LIB2ADDEH): Updated.
3928         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
3929
3930         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
3931         aliases if needed.
3932         * unwind-dw2-fde-glibc.c: Likewise.
3933         * unwind-dw2.c: Likewise.
3934
3935         * config/t-libunwind (LIB2ADDEH): Updated.
3936         (LIB2ADDEHSTATIC): New.
3937         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
3938         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
3939
3940         * configure.ac: Change --enable-libunwind-exceptions to
3941         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
3942         * configure: Regenerated.
3943         * config.in: Updated.
3944
3945         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
3946         above and mention --with-system-libunwind.
3947         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
3948         removed in gcc 3.4.3 and later.
3949
3950         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
3951         USE_LIBUNWIND_EXCEPTIONS is defined.
3952
3953         * mklibgcc.in: Support libunwind.
3954
3955 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
3956
3957         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
3958         m_NOCONA.
3959
3960 2004-09-03  Richard Henderson  <rth@redhat.com>
3961
3962         PR middle-end/9997
3963         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
3964         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
3965         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
3966         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
3967         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
3968         resize_stack_vars_conflict, add_stack_var_conflict,
3969         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
3970         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
3971         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
3972         expand_one_static_var, expand_one_hard_reg_var,
3973         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
3974         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
3975         (expand_used_vars): Rewrite.
3976         * Makefile.in (cfgexpand.o): Update dependencies.
3977
3978 2004-09-04  Jan Hubicka  <jh@suse.cz>
3979
3980         * cfg.c (free_edge): Use ggc_free.
3981         (expunge_block): Use ggc_free.
3982         * passes.c (rest_of_clean_state): Free after compilation.
3983         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
3984         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
3985
3986 2004-09-03  James E Wilson  <wilson@specifixinc.com>
3987
3988         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
3989         DECL_EXTERNAL check.
3990
3991 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3992
3993         * final.c (output_in_slot): New global variable.
3994         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
3995         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
3996         'output_in_slot' before invoking output_asm_insn.
3997         (output_asm_insn): Add a space after the tab if 'output_in_slot'
3998         is set.
3999         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
4000         final_scan_insn.
4001         (output_sibcall): Likewise.
4002
4003 2004-09-03  Jan Hubicka  <jh@suse.cz>
4004
4005         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
4006         * tree-ssanames (init_ssanames): Likewise.
4007
4008 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
4009
4010         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
4011         objc_declare_protocols, objc_start_protocol,
4012         objc_start_class_interface, objc_start_category_interface,
4013         objc_continue_interface, objc_finish_interface,
4014         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
4015         objc_start_class_implementation, objc_start_category_implementation,
4016         objc_continue_implementation, objc_finish_implementation,
4017         objc_add_method_declaration, objc_start_method_definition,
4018         objc_finish_method_definition, objc_build_keyword_decl,
4019         objc_build_method_signature, objc_build_encode_expr,
4020         objc_build_protocol_expr, objc_build_selector_expr,
4021         objc_build_message_expr, objc_build_string_object,
4022         objc_get_class_reference, objc_get_protocol_qualified_type,
4023         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
4024
4025 2004-09-03  James E Wilson  <wilson@specifixinc.com>
4026
4027         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
4028
4029         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
4030         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
4031         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
4032         (mips_recip1_<fmt>): Use frdiv1 type.
4033         (mips_recip2_<fmt>): Use frdiv2 type.
4034         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
4035         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
4036         and frsqrt1.
4037         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
4038
4039 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
4040
4041         * reload.c (find_reloads): Swap operand_loc pointers for
4042         find_dummy_reload if we have swapped two operands.
4043
4044 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
4045
4046         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
4047         to get the tablejump-insn before the jump-table label.
4048
4049 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
4050
4051         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
4052         objc_declare_protocols, objc_build_message_expr,
4053         objc_finish_message_expr, objc_build_selector_expr,
4054         objc_build_protocol_expr, objc_build_encode_expr,
4055         objc_build_string_object, objc_get_protocol_qualified_type,
4056         objc_get_class_reference, objc_get_class_ivars,
4057         objc_start_class_interface, objc_start_category_interface,
4058         objc_start_protocol, objc_continue_interface, objc_finish_interface,
4059         objc_start_class_implementation, objc_start_category_implementation,
4060         objc_continue_implementation, objc_finish_implementation,
4061         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
4062         objc_add_method_declaration, objc_start_method_definition,
4063         objc_finish_method_definition, objc_add_instance_variable,
4064         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
4065         objc_finish_try_stmt, objc_begin_catch_clause,
4066         objc_finish_catch_clause, objc_build_finally_clause,
4067         objc_build_synchronized, objc_static_init_needed_p,
4068         objc_generate_static_init_call): New prototypes.
4069
4070 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
4071
4072         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
4073         is only one reg.
4074         (ia64_function_value): Ditto.
4075
4076 2004-09-03  Jan Beulich  <jbeulich@novell.com>
4077
4078         * config.gcc: Resurrect NetWare as a target. Handle special case of
4079         Novell linker to be used (specified through --with-ld=) and threading
4080         model of either Posix (default) or NKS.
4081         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
4082         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
4083         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
4084         * config/i386/netware.c, config/i386/netware.h: New.
4085         * config/i386/nwld.c, config/i386/nwld.h: New.
4086         * config/i386/netware-crt0.c: New.
4087         * config/i386/netware-libgcc.c: New.
4088         * config/i386/netware-libgcc.def: New.
4089         * config/i386/netware-libgcc.exp: New.
4090         * config/i386/t-netware, config/i386/t-nwld: New.
4091         * gthr-nks.h: New.
4092         * doc/install.texi: Document NKS threading model.
4093
4094 2004-09-03  Jan Beulich  <jbeulich@novell.com>
4095
4096         PR c/7054
4097         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
4098         * tree.h (initial_max_fld_align): Declare
4099         * stor-layout.c (initial_max_fld_align): Define and initialize.
4100         (maximum_field_alignment): Initialize to the same value.
4101         * common.opt: Add -fpack-struct= variant of switch.
4102         * opts.c: Handle -fpack-struct= variant of switch.
4103         * c-pragma.c: Change #pragma pack() handling so that it becomes
4104         compatible to other compilers: accept individual 'push' argument,
4105         make final pop restore (command line) default, correct interaction
4106         of push/pop and sole specification of a new alignment (so that the
4107         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
4108         to #pragma pack(push, <n>).
4109         * doc/extend.texi: New node "Structure-Packing Pragmas" under
4110         "Pragmas", describing #pragma pack.
4111         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
4112         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
4113         Document new TARGET_DEFAULT_PACK_STRUCT.
4114
4115 2004-09-03  Devang Patel  <dpatel@apple.com>
4116
4117         * dwarf2out.c (gen_field_die). Equate decl number to die.
4118
4119 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
4120
4121         PR target/15832
4122         * global.c (modify_reg_pav): New function.
4123         (make_accurate_live_analysis): Call the new function.  Move pavin
4124         modification by earlyclobber set into the new function.
4125
4126 2004-09-03  Andreas Schwab  <schwab@suse.de>
4127
4128         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
4129         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
4130         extended.
4131
4132 2004-09-02  Jan Beulich  <jbeulich@novell.com>
4133
4134         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
4135         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
4136         not unwind code specific ones.
4137         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
4138         Remove unwind code specific dependencies.
4139         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
4140         Remove gbl-ctors.h.
4141         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
4142         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
4143         * tsystem.h: Declare memcpy and memset when inhibit_libc.
4144
4145 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
4146
4147         * combine.c (try_combine): Delay modifying of insns which cannot
4148         be easily undone.
4149
4150 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
4151
4152         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
4153         tree-loop-im.
4154         * gcc/tree-ssa-loop.c: Ditto
4155         * gcc/tree-ssa-loop-ivcanon.c: Ditto
4156         * gcc/doc/invoke.texi: Ditto.
4157
4158 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
4159
4160         * c-decl.c (store_parm_decls_newstyle): Make static.
4161         (store_parm_decls_from): New function.
4162         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
4163         (store_parm_decls_from): New prototype.
4164
4165 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
4166
4167         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
4168         HImode with STRICT_ALIGNMENT.
4169
4170 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
4171
4172         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
4173         (TARGET_OS_CPP_BUILTINS): Likewise.
4174         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
4175         TARGET_BPABI_CPP_BUILTINS.
4176
4177 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
4178
4179         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
4180
4181 2004-09-02  Eric Christopher  <echristo@redhat.com>
4182
4183         * builtins.c (expand_builtin_cabs): Delete.
4184         (expand_builtin): If unable to fold the values do a normal
4185         library call for builtin_cab*.
4186         (fold_builtin_cabs): Depend on optimize and optimize_size.
4187         * optabs.c (expand_cmplxdiv_straight): Delete.
4188         (expand_cmplxdiv_wide): Ditto.
4189         (expand_vector_binop): Ditto.
4190         (expand_vector_unop): Ditto.
4191         (expand_complex_abs): Delete.
4192         (expand_binop): Remove calls to above functions.
4193         Remove open coding of complex arithmetic.
4194         (expand_unop): Ditto.
4195         * optabs.h: Remove prototypes.
4196
4197 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
4198
4199         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
4200         * c-tree.h (store_parm_decls_newstyle): New prototype.
4201
4202 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
4203
4204         * config/rs6000/rs6000.c (expand_block_clear): Use vector
4205         instructions if available.
4206         (expand_block_move): Likewise.
4207
4208 2004-09-03  Jan Hubicka  <jh@suse.cz>
4209
4210         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
4211
4212 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
4213
4214         * config/arm/symbian.h (LIB_SPEC): Define to empty.
4215         * config/arm/t-symbian (SHLIB_LC): Likewise.
4216
4217 2004-09-02  Paul Brook  <paul@codesourcery.com>
4218
4219         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
4220
4221 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
4222
4223         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
4224         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
4225         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
4226         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
4227         (mips_issue_rate): Remove unreachable abort.
4228         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
4229         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
4230         (mips_block_move_straight, print_operand_address, mips_file_start)
4231         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
4232         (mips_output_conditional_branch, mips_expand_builtin_direct)
4233         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
4234         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
4235         with gcc_assert.
4236
4237 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
4238
4239         * config/mips/mips.md (*lea_high64): Change split condition to
4240         flow2_completed.  Add a peephole2 to generate a more parallel version.
4241
4242 2004-09-02  Jan Hubicka  <jh@suse.cz>
4243
4244         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
4245         GGC.
4246
4247         * ggc-page.c: include tree-flow.h.
4248         (extra_order_size_table): Add stmt_ann_d.
4249         (STAT_LABEL): Rename from ....
4250         (LABEL): ... this one.
4251         * Makefile.in (ggc-page.o): Add dependency.
4252
4253         * ggc-common.c (ggc_force_collect): New global variable.
4254         (loc_description): Add fields "freed", "collected"
4255         (ptr_hash): New static hash
4256         (ptr_hash_entry): New structure.
4257         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
4258         (ggc_record_overhead): Take ptr argument, record it
4259         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
4260         (cmp_statistics): Imrove sorting.
4261         (dump_ggc_loc_statistics): Output newly collected statistics
4262         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
4263         (ggc_free): Call ggc_free_overhead.
4264         (ggc_collect): Force collection when asked to be forced.
4265         (ggc_collect): Call ggc_prune_overhead_list.
4266         * ggc.h (ggc_force_collect): Declare
4267         (ggc_record_overhead): Update prototype.
4268         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
4269
4270 2004-09-02  James E Wilson  <wilson@specifixinc.com>
4271
4272         * common.opt (ftrapping-math): Default to on.
4273
4274 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
4275
4276         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
4277
4278 2004-09-02  Denis Chertykov  <denisc@overta.ru>
4279
4280         PR target/16884
4281         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
4282         match_scratch.
4283         (*movmemqi_insn): Likewise.
4284         (*movmemhi): Likewise.
4285         (clrmemhi): Likewise.
4286         (*clrmemqi): Likewise.
4287         (*clrmemhi): Likewise.
4288
4289 2004-09-02  Paul Brook  <paul@codesourcery.com>
4290
4291         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
4292         default_use_cxa_atexit=yes.
4293
4294 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
4295
4296         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
4297         (struct kernel_old_ucontext): Delete.
4298         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
4299         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
4300         when IN_LIGGCC2.
4301
4302 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
4303
4304         * toplev.c (process_options): Fix typo.
4305
4306 2004-09-01  Richard Henderson  <rth@redhat.com>
4307
4308         PR middle-end/17258
4309         * calls.c (initialize_argument_information): Tighten pass-through
4310         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
4311         Use build_fold_addr_expr.
4312         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
4313         that assumes ADDR_EXPR allocates stack space.
4314         * fold-const.c (build_fold_addr_expr_with_type): Look through
4315         WITH_SIZE_EXPR.
4316
4317 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
4318
4319         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
4320         * ggc.h (ggc_alloc_rtx): Delete.
4321
4322 2004-09-01  Roger Sayle  <roger@eyesopen.com>
4323
4324         * expmed.c (enum alg_code): Remove long unused enumeration values.
4325         (struct mult_cost): New structure to hold the "score" of a synthetic
4326         multiply sequence, including both a rtx_cost and a latency field.
4327         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
4328         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
4329         (struct algorithm): Change type of cost field to be mult_cost.
4330         (synth_mult): Change type of cost_limit argument to be a
4331         pointer to a mult_cost.  Update all cost comparisons to use the
4332         new mult_cost infrastructure.  For alg_add_factor and
4333         alg_sub_factor operations, latency is lower than the rtx_cost.
4334         (choose_mult_variant):  Update calls to synth_mult.  Perform
4335         cost comparisons using the new mult_cost infrastructure.
4336         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
4337         to optain the total rtx_cost of a synth_mult "algorithm".
4338
4339 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
4340
4341         * config/rs6000/power4.md: Increase store latency to 12.
4342         * config/rs6000/power5.md: Same.
4343
4344 2004-09-01  James E Wilson  <wilson@specifixinc.com>
4345
4346         PR target/14064
4347         * config/avr/avr.c (avr_unique_section): Delete prototype and
4348         definition.
4349         (TARGET_ASM_UNIQUE_SECTION): Delete.
4350
4351 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
4352
4353         * c-parse.in (primary): Call objc_build_message_expr(),
4354         objc_build_selector_expr(), objc_build_protocol_expr(),
4355         objc_build_encode_expr() and objc_build_string_object() instead of
4356         build_message_expr(), build_selector_expr(), build_protocol_expr(),
4357         build_encode_expr() and build_objc_string_object(), respectively.
4358         (component_decl_list2): Call objc_get_class_ivars() instead of
4359         get_class_ivars_from_name().
4360         (keyworddecl): Call objc_build_keyword_decl() instead of
4361         build_keyword_decl().
4362         (receiver): Call objc_get_class_reference() instead of
4363         get_class_reference().
4364         (reswords): Add blank line before @@ifobjc section, for clarity.
4365
4366 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
4367
4368         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
4369         to Altivec vetors.
4370
4371 2004-09-01  Wu Yongwei  <adah@sh163.net>
4372             Danny Smith  <dannysmith@users.sourceforge.net>
4373
4374         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
4375         not Windows 'DWORD'.
4376         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
4377         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
4378         (__gthr_win32_recursive_mutex_init_function): Add prototype for
4379         __GTHREAD_HIDE_WIN32API case..
4380         (__gthr_win32_recursive_mutex_lock): Likewise.
4381         (__gthr_win32_recursive_mutex_trylock): Likewise.
4382         (__gthr_win32_recursive_mutex_unlock): Likewise.
4383         (__gthread_recursive_mutex_init_function); Add definition for
4384         __GTHREAD_HIDE_WIN32API case.
4385         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
4386         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
4387         call to InterlockedDecrement.
4388
4389 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4390
4391         * tree-tailcall.c (find_tail_calls): Also fail is statement has
4392         volatile operands.
4393
4394         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
4395
4396         * doc/c-tree.texi: Document new operands for ARRAY_REF and
4397         COMPONENT_REF.
4398
4399 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4400
4401         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
4402         * common.opt (fspeculative-prefetching): New.
4403         * flags.h (flag_speculative_prefetching_set): Declare.
4404         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
4405         values.
4406         * opts.c (flag_sepculative_prefetching_set): New variable.
4407         (common_handle_option): Handle -fspeculative-prefetching.
4408         * passes.c (rest_of_compilation): Ditto.
4409         * profile.c (instrument_values, compute_value_histograms, branch_prob):
4410         Use vectors instead of arrays.
4411         * toplev.c (process_options): Handle -fspeculative-prefetching.
4412         * rtl-profile.c: Include ggc.h.
4413         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
4414         rtl_gen_one_value_profiler_no_edge_manipulation,
4415         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
4416         argument changed.
4417         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
4418         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
4419         argument changed.
4420         * value-prof.c: Include ggc.h.
4421         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
4422         macros.
4423         (insn_prefetch_values_to_profile, find_mem_reference_1,
4424         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
4425         speculative_prefetching_transform): New.
4426         (value_profile_transformations): Call speculative_prefetching_transform.
4427         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
4428         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
4429         tree_find_values_to_profile, find_values to profile): Use vectors
4430         instead of arrays.
4431         (free_profiled_values): Removed.
4432         * value-prof.h (struct histogram_value): Renamed to
4433         struct histogram_value_t.
4434         (histogram_value, histogram_values): New types.
4435         (find_values_to_profile): Declaration changed.
4436         (free_profiled_values): Removed.
4437         (struct profile_hooks): Type of argument of the hooks changed to
4438         histogram_value.
4439         * doc/invoke.texi (-fspeculative-prefetching): Document.
4440
4441 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4442
4443         PR rtl-optimization/16408
4444         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
4445
4446 2004-09-01  Richard Henderson  <rth@redhat.com>
4447
4448         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
4449         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
4450
4451 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4452
4453         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
4454
4455 2004-09-01  Mike Stump  <mrs@apple.com>
4456
4457         * config/darwin.c (machopic_symbol_defined_p): In addition to
4458         being SYMBOL_REF_LOCAL_P, a symbol must also be
4459         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
4460         defined in this output file, or translation unit in the case
4461         of IMA not being used.
4462         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
4463         never need .indirect_symbol when indirecting.
4464
4465 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4466
4467         * Makefile.in (bb-reorder.o): Add several dependencies.
4468
4469 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
4470
4471         * fold-const.c (operand_equal_p): Require equal sign also for
4472         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
4473
4474 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4475
4476         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
4477         for use in configargs.h.  Put the cname in a separate variable.  Use
4478         that to set target_cpu_default2.
4479
4480 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
4481             Nick Clifton  <nickc@redhat.com>
4482
4483         * config/sh/sh.md ("length"): Increase branch length when
4484         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
4485         constant, 2 byte for aligning the constant.
4486
4487 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4488
4489         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
4490         CPU.
4491         (arm7tdmi-s): New CPU name.
4492         * arm/arm.c (ARM_CORE): Update for new format.
4493         * arm/arm.h (ARM_CORE): Likewise.
4494         * arm/gentune.sh: Update for extra field.
4495         * config.gcc: Likewise.
4496         * arm/arm-tune.md: Regenerate.
4497         * doc/invoke.texi: Document the real processor names for ARM cpus.
4498
4499 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
4500
4501         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
4502         (floatdidf): New functions.
4503         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
4504         (floatdisf): New functions.
4505         * t-arm-elf: Use them.
4506
4507 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
4508
4509         * c-common.h (lookup_interface): Remove prototype.
4510         (is_class_name): Rename to objc_is_class_name.
4511         (lookup_objc_ivar): Rename to objc_lookup_ivar.
4512         (get_current_scope): Rename to objc_get_current_scope.
4513         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
4514         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
4515         (yylexname): Call objc_is_class_name() instead of is_class_name().
4516         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
4517         instead of lookup_objc_ivar().
4518         * stub-objc.c (lookup_interface): Remove stub.
4519         (is_class_name): Rename to objc_is_class_name.
4520         (lookup_objc_ivar): Rename to objc_lookup_ivar.
4521
4522 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4523
4524         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
4525         * config/arm/lib1funcs.asm: Do not include supplemental .S files
4526         when compiling for Symbian.
4527         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
4528         (TARGET_OS_CPP_BUILTINS): Likewise.
4529         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
4530
4531 2004-08-31  Stan Shebs  <shebs@apple.com>
4532
4533         * toplev.c (process_options): Ensure debug_hooks is initialized.
4534
4535 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4536
4537         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
4538         * target.h (cxx): Add export_class_data.
4539         * config/arm/arm.c (arm_cxx_export_class_data): New function.
4540         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
4541         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
4542
4543 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
4544
4545         * config/sh/sh.c (output_branch): Check the insn length possibly
4546         in the delayed slot.
4547
4548 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4549
4550         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
4551         blank after ')'.
4552         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
4553
4554         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
4555         (c_sizeof_of_alignof_type): Likewise.
4556         * expr.c (array_ref_element_size): Likewise.
4557         (highest_pow2_factor_for_target): Likewise.
4558         * gimplify.c (canonicalize_addr_expr): Likewise.
4559         (gimplify_compound_lval): Likewise.
4560         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
4561         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
4562         * varasm.c (assemble_variable): Likewise.
4563         (output_constant_def_contents): Alignments are unsigned.
4564
4565 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4566             Jeff Law  <law@redhat.com>
4567
4568         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
4569         gets modified.
4570
4571 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
4572
4573         * hooks.c (hook_bool_void_true): New function.
4574         * hooks.h (hook_bool_void_true): Declare.
4575         * target-def.h (TARGET_CXX): Add
4576         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
4577         * target.h (struct cxx): Add key_method_may_be_inline.
4578         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
4579         function.
4580         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
4581         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
4582         __THUMB_INTERWORK.
4583
4584 2004-08-31  Denis Chertykov  <denisc@overta.ru>
4585
4586         PR target/15417
4587         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
4588         frame pointer register only in Pmode while reload in progress.
4589
4590 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
4591
4592         PR target/15334
4593         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
4594         because it breaks the 32-bit shift patterns that rely on a match_dup.
4595
4596 2004-08-31  Matt Austern  <austern@apple.com>
4597
4598         * config/darwin.c (darwin_make_decl_one_only): Allocate section
4599         names once per compilation, instead of once per symbol.
4600
4601 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
4602
4603         * Makefile.in (build_subdir): New substitution.
4604         (fixinc.sh): Simplify heavily since fixincludes is already built.
4605         (stmp-fixinc): Depend on specs.ready.
4606         (install-mkheaders): Use new location of fixincludes.
4607         (clean): Do not descend into fixinc.
4608         (FORBUILD): Replace with ../$(build_subdir).
4609         * configure.ac (build_subdir): Substitute.
4610         (FORBUILD): Do not set.
4611         (all_outputs): Remove fixinc/Makefile.
4612         (default commands): Do not create links in fixinc.
4613         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
4614         the fixincludes configuration steps and substituting
4615         @FIXINCL@ in fixinc.in.
4616         * fixinc.in: New, from fixinc/fixincl.sh.
4617
4618         * fixinc/*: Removed.
4619
4620 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
4621
4622         * attribs.c (strip_attrs): Remove.
4623         (split_specs_attrs): Move ...
4624         * c-decl.c: ... to here.
4625         * tree.h (split_specs_attrs, strip_attrs): Remove.
4626         * c-tree.h (split_specs_attrs): Declare.
4627
4628 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
4629
4630         * read-rtl.c: Disable RTL checking.
4631         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
4632
4633 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
4634
4635         * config/mips/mips.md (fcond): New code macro and attribute.
4636         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
4637         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
4638         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
4639
4640 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
4641
4642         Revert:
4643         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
4644         PR rtl-optimization/16590
4645         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
4646
4647 2004-08-30  Andrew Pinski  <apinski@apple.com>
4648
4649         * hard-reg-set.h:
4650         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
4651         * ChangeLog: Fix previous ChangeLog entry.
4652
4653         PR rtl-opt/13987
4654         * config.host (use_long_long_for_widest_fast_int): New, default is
4655         off.
4656         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
4657         * configure.ac: If use_long_long_for_widest_fast_int, then
4658         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
4659         * configure: Regenerate.
4660         * config.in: Regenerate.
4661         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
4662         New: widest integer type supported efficiently in hardware for the
4663         host.
4664         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
4665         HOST_BITS_PER_WIDEST_FAST_INT.
4666         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
4667         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
4668         HOST_WIDEST_FAST_INT
4669         instead of HOST_WIDE_INT.
4670         (HARD_REG_SET_LONGS): Likewise.
4671         (UHOST_BITS_PER_WIDE_INT): Likewise.
4672         Change the checks for the fast cases to be based on
4673         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
4674
4675 2004-08-30  Steven Bosscher  <stevenb@suse.de>
4676
4677         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
4678         not the pointers.
4679
4680 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
4681
4682         PR 12738
4683         PR 17205
4684         Radar 3460526
4685         Radar 3775729
4686         * c-decl.c (grokdeclarator): Produce error for 'static' on local
4687         function declaration.
4688
4689 2004-08-30  Richard Henderson  <rth@redhat.com>
4690
4691         * expr.c (array_ref_element_size): Force aligned_size back to
4692         sizetype.
4693         (component_ref_field_offset): Similarly for aligned_offset.
4694         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
4695         low-bound, element-size, field-offset fields rather than
4696         computed values.
4697
4698 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
4699
4700         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
4701         redundant code.
4702
4703 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
4704
4705         * c-tree.h (struct language_function): Add arg_info element.
4706         * c-decl.c (current_function_arg_info): New.
4707         (grokdeclarator, store_parm_decls): Use it instead of
4708         DECL_ARGUMENTS.
4709         (c_push_function_context, c_pop_function_context): Save and
4710         restore it.
4711
4712 2004-08-30  Richard Henderson  <rth@redhat.com>
4713
4714         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
4715         COMPONENT_REF to pointer arithmetic.
4716         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
4717         constant "c" as a valid constant initializer.  Allow narrowing of
4718         differences against the same base object, for any base object.
4719
4720 2004-08-30  Richard Henderson  <rth@redhat.com>
4721
4722         * expr.c (expand_expr_addr_expr): New.
4723         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
4724
4725 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
4726
4727         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
4728         (mips_fp_condition): New enum.
4729         (mips_fp_conditions): New array.
4730         (print_fcc_operand): Delete.
4731         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
4732         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
4733         (builtin_description): Add "cond" field.
4734         (DIRECT_BUILTIN): Initialize it.
4735         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
4736         into INSN and CODE.  Initialize the "cond" field.
4737         (CMP_BUILTINS): Update accordingly.
4738         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
4739         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
4740         mips_fp_condition as argument.  Make it the final operand of the
4741         comparison instruction.
4742         (mips_expand_builtin): Update accordingly.
4743         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
4744         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
4745         the gaps.
4746         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
4747         Don't use the 'Q' operand prefix; just print the operand normally.
4748         (mips_cabs_*, mips_c_*): Delete, replacing with...
4749         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
4750         patterns.  Split the 4s versions into 2 ps patterns after reload.
4751
4752 2004-08-30  Richard Henderson  <rth@redhat.com>
4753
4754         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
4755         assuming an ADDR_EXPR is non-null.
4756
4757 2004-08-30  Jason Merrill  <jason@redhat.com>
4758
4759         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
4760
4761 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4762
4763         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
4764         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
4765         gcc_assert and gcc_unreachable instead of abort.
4766         * alloc-pool.c (abort, fancy_abort): Remove.
4767         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
4768         gcc_assert or gcc_unreachable.
4769         * attribs.c (init_attributes, decl_attributes): Likewise.
4770         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
4771         mark_bb_for_unlikely_executed_section,
4772         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
4773         fix_crossing_unconditional_branches):  Likewise.
4774         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
4775         bitmap_operation):  Likewise.
4776         * bt-load.c (insn_sets_btr_p, augment_live_range,
4777         move_btr_def):  Likewise.
4778         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
4779         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
4780         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
4781         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
4782         expand_builtin_memcmp, expand_builtin_args_info,
4783         std_gimplify_va_arg_expr, expand_builtin_unop,
4784         expand_builtin_fputs, expand_builtin_profile_func,
4785         expand_builtin_fork_or_exec, fold_builtin_bitop,
4786         fold_builtin_classify, fold_builtin_fputs): Likewise.
4787
4788 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4789
4790         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
4791         * gcov.c (abort): Remove undef.
4792
4793         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
4794         (struct tree_binfo): Remove primary field.
4795
4796 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
4797
4798         * fixinc/Makefile.in (machname.h): Remove.
4799         (fixincl.x): Do not pass $@ to genfixes.
4800         * fixinc/genfixes: Remove code to produce machname.h.
4801         * fixinc/fixincl.sh: Move it here instead.
4802         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
4803         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
4804         return a bool indicating whether pz_mn_name_pat is NULL.
4805         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
4806         Declare extern C variables for the ENV_TABLE.
4807         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
4808         instead use the result of mn_get_regexps.
4809         * fixinc/fixtests.c: Likewise.
4810
4811 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
4812
4813         * configure.ac: Do not run fixincludes after stage1 during
4814         toplevel bootstrap.
4815         * configure: Regenerate.
4816
4817 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
4818
4819         * sched-deps.c (get_condition): Partially revert previous, by never
4820         trying to extract the condition from a condjump.
4821
4822 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
4823
4824         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
4825         (handle_visibility_attribute, c_determine_visibility): Likewise.
4826         * c-common.h (my_friendly_assert): Remove.
4827
4828 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
4829
4830         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
4831         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
4832         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
4833         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
4834         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
4835
4836 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
4837
4838         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
4839         in COMPONENT_REF nodes.
4840
4841 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4842
4843         PR c++/15378
4844         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
4845         global_dc->warning_as_error_requested.
4846         * diagnostic.c (diagnostic_initialize): Tidy.
4847         * diagnostic.h (diagnostic_context::x_data): Remove
4848         (diagnostic_context::issue_warnings_are_errors_message): Rename
4849         from warnings_are_errors_message.
4850         (diagnostic_context::warning_as_error_requested): New.
4851
4852 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
4853
4854         * sched-deps.c (get_condition): Fix breakage in previous patch.
4855
4856 2004-08-30  Paul Brook  <paul@codesourcery.com>
4857
4858         * doc/install.texi: Fix broken mpfr link.
4859
4860 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
4861
4862         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
4863         other FreeBSD platforms.
4864
4865 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4866
4867         * arm.h (REVERSE_CONDITION): Define.
4868         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
4869
4870 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4871
4872         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
4873         just the codes, call reversed_comparison_code ().
4874         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
4875         (not_reg_cond): Use reversed_comparison_code.
4876         (and_reg_cond): Likewise.
4877         * ifcvt.c (cond_exec_process_if_block): Likewise.
4878         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
4879
4880 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
4881
4882         * sched-deps.c (get_condition): Rewrite using jump support functions.
4883         Use reversed_comparison_code.
4884         (conditions_mutex_p): Use reversed_comparison_code.
4885
4886 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4887
4888         * config/mips/mips.c (override_options): Disable hot/cold partitioning
4889         for MIPS16.
4890
4891 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4892
4893         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
4894         (mips_function_type): Move to mips.c.
4895         * config/mips/mips.c (mips_builtin_type): New enum.
4896         (builtin_description): Replace code and ftype with builtin_type
4897         and function_type.
4898         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
4899         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
4900         (CODE_FOR_mips_abs_ps): Define.
4901         (mips_bdesc): Use new macros.
4902         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
4903         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
4904         (mips_expand_builtin_direct): New function.
4905         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
4906         builtin.  Replace boolean parameter with builtin_type.
4907         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
4908         (mips_expand_4s_compare_builtin): Delete, replacing with...
4909         (mips_expand_builtin_compare): ...this new function.
4910
4911 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
4912
4913         PR rtl-optimization/16590
4914         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
4915
4916 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
4917
4918         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
4919         * tree-ssa-propagate.c: Fix documentation.
4920
4921 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4922
4923         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
4924         (mov[sd]fcc): Likewise.
4925
4926 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4927
4928         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
4929
4930 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4931
4932         * config/mips/mips.md (divide_condition): New mode attribute.
4933         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
4934         (sqrt[sd]f3): Redefine using SCALARF.
4935         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
4936         patterns.
4937
4938 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4939
4940         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
4941         (loadx, storex, fmt, UNITMODE): New mode attributes.
4942         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
4943         (mul[sd]f3): Redefine using :SCALARF.
4944         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
4945         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
4946         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
4947         Check TARGET_FUSED_MADD for V2SF too.
4948         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
4949         were already named.
4950         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
4951         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
4952
4953 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4954
4955         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
4956         V2SF_type_node if it will be needed.
4957
4958 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4959
4960         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
4961         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
4962         (mips_prepare_builtin_target): New function.
4963         (mips_expand_builtin): Use them.  Update calls to subroutines.
4964         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
4965         cmp_choice with a boolean argument to select between movt and movf.
4966         Take the comparison's icode as an argument, not the function's fcode.
4967         (mips_expand_compare_builtin): New function.  Rename existing function
4968         to mips_expand_scalar_compare_builtin.
4969         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
4970         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
4971         comparison's icode as an argument, not the builtin's fcode.
4972
4973 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4974
4975         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
4976         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
4977         registers are false and -1 if all registers are true.
4978         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
4979         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
4980         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
4981         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
4982         (bc1any2t, bc1any2f): Likewise CCV2.
4983         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
4984
4985 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
4986
4987         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
4988         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
4989         UNSPEC rather than an IF_THEN_ELSE.
4990         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
4991         mips_cond_move_tf_ps by name.
4992
4993 2004-08-29  Chao-ying Fu  <fu@mips.com>
4994             James E Wilson  <wilson@specifixinc.com>
4995
4996         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
4997         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
4998         * config/mips/mips-ps-3d.md: New file.
4999         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
5000         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
5001         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
5002         (mips_output_move): Emit "mov.ps" for V2SFmode.
5003         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
5004         MODE_VECTOR_FLOAT.
5005         (override_options): Check if TARGET_MIPS3D and there was an explicit
5006         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
5007         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
5008         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
5009         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
5010         and allow CCV2 and CCV4 to occupy two and four CC registers.
5011         (print_fcc_operand): New function.
5012         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
5013         %Z to call print_fcc_operand.
5014         (mips_function_value): Handle MODE_VECTOR_FLOAT.
5015         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
5016         (mips_vector_mode_supported_p): New function.
5017         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
5018         (builtin_description): New struct.
5019         (mips_bdesc): New array of struct builtin_description.
5020         (mips_expand_builtin, mips_init_builtins,
5021         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
5022         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
5023         functions.
5024         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
5025         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
5026         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
5027         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
5028         "-mips3d", and "-mno-mips3d".
5029         (ASM_SPEC): Map -mips3d to -mips3d in gas.
5030         (EXTRA_CONSTRAINT_Y): New macro.
5031         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
5032         multi-letter constraint 'Y'.
5033         (CONSTRAINT_LEN): New macro.
5034         (enum mips_builtins): New for MIPS builtin functions.
5035         (enum mips_function_type): New for the types of MIPS builtin functions.
5036         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
5037         * config/mips/mips.md: New constants for paired single and MIPS-3D
5038         instructions.  Include the new mips-ps-3d.md file.
5039         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
5040         movv2sf_hardfloat_64bit): New named patterns.
5041         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
5042         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
5043         sdxc1_v2sf_di): New unnamed patterns.
5044         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
5045         const_vector support.
5046         (const_0_or_1_operand): New predicate.
5047         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
5048
5049 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
5050
5051         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
5052         (tree-ssa-propagate.o): New rule.
5053         (GTFILES): Add tree-ssa-propagate.c.
5054         * tree-flow.h (struct stmt_ann_d): Remove field
5055         in_ccp_worklist.
5056         * tree-ssa-propagate.c: New file.
5057         * tree-ssa-propagate.h: New file.
5058         * tree-ssa-ccp.c: Re-write to use the routines from
5059         tree-ssa-propagate.c.
5060
5061 2004-08-28  Andrew Pinski  <apinski@apple.com>
5062
5063         * tree-ssa-loop.c: Remove extra include of basic-block.h.
5064
5065 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
5066
5067         * c-common.h: Update comments about ObjC/ObjC++ entry points.
5068         (objc_is_reserved_word): New prototype.
5069         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
5070         separate section; these are call-backs.
5071         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
5072         ObjC/ObjC++ "@" keywords.
5073         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
5074         prototypes; they already live in c-common.h.
5075         * stub-objc.c: Update copyright notice.
5076         (objc_is_reserved_word): New stub.
5077
5078 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
5079
5080         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
5081         even when not checking.
5082
5083 2004-08-27  Jason Merrill  <jason@redhat.com>
5084
5085         PR c++/13684
5086         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
5087         (gimple_push_cleanup): Add eh_only parm.
5088         (gimplify_target_expr): Pass it.
5089         * c.opt (-fno-threadsafe-statics): New option.
5090         * c-opts.c (c_common_handle_option): Handle it.
5091         * c-common.h (flag_threadsafe_statics): Declare it.
5092         * c-common.c (flag_threadsafe_statics): Record it.
5093         * doc/invoke.texi: Document it.
5094         * tsystem.h (_GNU_SOURCE): Define.
5095         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
5096         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
5097         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
5098         (__gthread_recursive_mutex_init_function): New fn.
5099         (__gthread_recursive_mutex_lock): New fn.
5100         (__gthread_recursive_mutex_trylock): New fn.
5101         (__gthread_recursive_mutex_unlock): New fn.
5102         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
5103         * gthr-win32.h, gthr-vxworks.h: Likewise.
5104         * gthr.h: Document.
5105
5106 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
5107
5108         * config/rs6000/rs6000.c (rs6000_override_options): Increase
5109         maximum skip to 15.  Set function alignment, jump alignment, and
5110         loop alignment to 16 for processors that form dispatch groups.
5111         (rs6000_rtx_costs): outer_code is used.
5112
5113 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
5114
5115         * stor-layout.c (sizetype_set): Remove.
5116         (set_sizetype): Don't test or set it.
5117
5118         * tree.h (size_int_type): Remove.
5119         * fold-const.c: Do not #include gt-fold-const.h.
5120         (size_htab_hash, size_htab_eq): Remove.
5121         (size_int_kind): Use build_int_cst.
5122         (new_const, size_htab): Remove.
5123         (size_int_type): Remove.
5124         (round_up): Use build_int_cst.
5125         (round_down): Likewise. Remove spurious constant build.
5126
5127 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
5128
5129         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
5130         Add is_release variable, use it for --enable-werror and
5131         --enable-checking defaults.
5132         * system.h (gcc_assert, gcc_unreachable): New.
5133         * doc/install.texi (--enable-checking): Update.
5134         * configure, config.in: Rebuilt.
5135
5136 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
5137
5138         * rtl.h (read_rtx): Change prototype.
5139         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
5140         line number.  Return true on success.
5141         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
5142         callers accordingly.
5143
5144 2004-08-26  Richard Henderson  <rth@redhat.com>
5145
5146         * c-typeck.c (build_offsetof): Remove.
5147         * c-tree.h (build_offsetof): Remove.
5148         * c-common.c (fold_offsetof_1, fold_offsetof): New.
5149         * c-common.h (fold_offsetof): Declare.
5150         * c-parse.in (offsetof_base): New.
5151         (offsetof_member_designator): Use it.  Build references, not just
5152         a tree list.
5153         (primary): Use fold_offsetof, not build_offsetof.
5154
5155 2004-08-26  Richard Henderson  <rth@redhat.com>
5156
5157         * tree.c (staticp): Return the static object.
5158         * tree.h (staticp): Update decl.
5159         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
5160         * langhooks.c (lhd_staticp): Return NULL_TREE.
5161         * langhooks-def.h (lhd_staticp): Update decl.
5162         * c-common.c (c_staticp): Return the static object.
5163         * c-common.h (c_staticp): Update decl.
5164
5165 2004-08-26  Richard Henderson  <rth@redhat.com>
5166
5167         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
5168         modes.
5169
5170 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
5171
5172         PR c/13801
5173         * c-decl.c (struct c_binding): Add type and inner_comp fields.
5174         (bind): Set type and inner_comp fields.
5175         (pop_scope): Restore type of decl to the correct type from an
5176         outer scope.  Give error when popping file scope for incomplete
5177         arrays completed incompatibly with default initialization in an
5178         inner scope.
5179         (diagnose_mismatched_decls): Handle externs with initializers at
5180         block scope.
5181         (pushdecl): Set type of external declaration at block scope based
5182         only on the visible declarations.  Save type when changing the
5183         type of a declaration.  Merge an external declaration at block
5184         scope with a visible static declaration at file scope.
5185         (implicitly_declare): Give recycled old declaration the new type
5186         except for incompatible declarations of built-in functions, saving
5187         the old type.
5188
5189 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
5190
5191         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
5192
5193 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
5194
5195         * tree-alias-common.c (gate_pta): New function.
5196         (pass_build_pta): Use it.
5197         (pass_del_pta): Use it.
5198         (delete_alias_vars): Don't check flag_tree_points_to.
5199
5200 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
5201
5202         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
5203         TFmode as additional register mode cloberred by call.
5204
5205 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
5206
5207         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
5208         parallel pattern for library call returning DImode in
5209         mixed mode.
5210
5211 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
5212
5213         * config/rs6000/rs6000.c (function_arg): Generate parallel
5214         pattern for more split args.
5215
5216 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
5217
5218         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
5219         either gen_movdi_di_update or gen_movdi_si_update depending on
5220         target mode.
5221         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
5222         to generate two versions.
5223
5224 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
5225
5226         * Makefile.in (lambda-code.o): New.
5227         (lambda-trans.o): Ditto.
5228         (TREE_DATA_REF_H): Ditto.
5229         (LAMBDA_H): Ditto.
5230         (lambda-mat.o): Use LAMBDA_H.
5231         (tree-data-ref.o): Ditto.
5232         * lambda-code.c: New file.  Lambda code generation algorithm.
5233         * lambda-trans.c: Ditto. Lambda transformation matrix support.
5234         * lambda.h: Add lambda loop structures.
5235         Add lambda loopnest structures.
5236         Add lambda body vector structure.
5237         Add lambda linear expression structures.
5238         Add prototypes for functions in new files.
5239         * lambda-mat.c: Include tree.h
5240
5241 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
5242             Sebastian Pop  <pop@cri.ensmp.fr>
5243
5244         * tree-data-ref.h: Include lambda.h
5245         (free_dependence_relation): Declared here.
5246         (free_dependence_relations): Ditto.
5247         (free_data_refs): Ditto.
5248         * tree-data-ref.c (free_dependence_relation): New function.
5249         (free_dependence_relations): Ditto.
5250         (free_data_refs): Ditot.
5251         (analyze_all_data_dependences): Free datarefs and dependence_relations.
5252         (build_classic_dist_vector): Store in the dependence_relations the
5253         information. Each arc in the dependence_relations graph is labelled
5254         with the distance and direction vectors.
5255         (build_classic_dir_vector): Ditto.
5256         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
5257         Now computes again the whole dependence graph including read-read
5258         relations.
5259         (compute_data_dependences_for_loop): Now dependence_relations contains
5260         all the data, and thus it doesn't need to initialize the classic_dir
5261         and classic_dist vectors.
5262         (analyze_all_data_dependences): Adjusted for using the new interface of
5263         compute_data_dependences_for_loop.  Remove the statistics dump.
5264
5265 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
5266
5267         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
5268         (xtensa_expand_block_move): Update comment.
5269         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
5270
5271 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
5272
5273         PR target/13506
5274         * toplev.c (crash_signal): If we crashed while emitting
5275         a user asm, then die more gracefully.
5276
5277 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5278
5279         PR target/17119.
5280         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
5281         checking for a valid constant, regardless of sign.
5282
5283 2004-08-25  Richard Henderson  <rth@redhat.com>
5284
5285         PR target/16974
5286         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
5287         if the constant satisfies add_operand.
5288
5289 2004-08-25  Richard Henderson  <rth@redhat.com>
5290
5291         PR debug/10695
5292         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
5293         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
5294         unwind info for >16-bit frames.
5295
5296 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
5297
5298         PR target/17171
5299         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
5300
5301 2004-08-25  Richard Henderson  <rth@redhat.com>
5302
5303         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
5304         (TARGET_CANNOT_FORCE_CONST_MEM): New.
5305
5306 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
5307
5308         * doc/tree-ssa.texi: Document new operand iterator.
5309
5310 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
5311
5312         PR target/16480
5313         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
5314         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
5315         as PLUS base regs.
5316
5317 2005-08-28  Paul Brook  <paul@codesourcery.com>
5318
5319         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
5320         -mfpu=vfp -march=armv5t
5321         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
5322
5323 2004-08-25  Richard Henderson  <rth@redhat.com>
5324
5325         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
5326         * target.h (struct gcc_target): Add scalar_mode_supported_p.
5327         * targhooks.c (default_scalar_mode_supported_p): New.
5328         * targhooks.h (default_scalar_mode_supported_p): Declare.
5329         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
5330
5331         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
5332         before attempting to create types.  Tidy.
5333         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
5334
5335         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
5336         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
5337
5338 2004-08-25  Richard Henderson  <rth@redhat.com>
5339
5340         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
5341         set REAL_MODE_FORMAT for TFmode.
5342
5343 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
5344
5345         * c-decl.c (grokparm): New function.
5346         * c-tree.h (grokparm): New prototype.
5347
5348 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
5349
5350         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
5351         iterator controlling structure.
5352         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
5353         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
5354         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
5355         iterator flags.
5356         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
5357         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
5358         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
5359         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
5360         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
5361         Empty operand pointers.
5362         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
5363         (op_iter_next_use): New.  Return next use_operand_p.
5364         (op_iter_next_def): New.  Return next def_operand_p.
5365         (op_iter_next_tree): New.  Return next operands as a tree.
5366         (op_iter_init): New.  Initialize an iterator structure.
5367         (op_iter_init_use): New.  Initialize structure and get the first use.
5368         (op_iter_init_def): New.  Initialize structure and get the first def.
5369         (op_iter_init_tree): New.  Initialize structure and get the first tree.
5370         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
5371         (op_iter_init_maydef): New.  Initialize structure and get the first
5372         V_MAY_DEF operands.
5373         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
5374         * tree-dfa.c (compute_immediate_uses_for_stmt,
5375         redirect_immediate_uses): Use new operand iterator.
5376         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
5377         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
5378         operands instead of using *_disappeared_p routines.
5379         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
5380         ssa_rewrite_stmt): Use new operand iterator.
5381         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
5382         rewrite_trees): Use new operand iterator.
5383         * tree-pretty-print.c (dump_vops): Use new operand iterator.
5384         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
5385         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
5386         dump_points_to_info): Use new operand iterator.
5387         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
5388         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
5389         operand iterator.
5390         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
5391         propagate_necessity): Use new operand iterator.
5392         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
5393         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
5394         a parameter instead of a stmt_ann_t.
5395         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
5396         build_tree_conflict_graph): Use new operand iterator.
5397         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
5398         rewrite_mem_refs): Use new operand iterator.
5399         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
5400         check_loop_closed_ssa_use): Use new operand iterator.
5401         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
5402         * tree-ssanames.c (release_defs): Use new operand iterator.
5403         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
5404
5405 2004-08-25  Adam Nemet  <anemet@lnxw.com>
5406
5407         * tlink.c (initial_cwd): New variable.
5408         (tlink_init): Initialize it.
5409         (recompile_files): Use tlink_execute() instead of system().  Don't
5410         duplicate verbose output of collect_execute.  Restore initial_cwd.
5411         Update comment before the function.
5412
5413 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
5414
5415         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
5416         accept) a cast from one Objective-C pointer type to another.
5417
5418 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
5419
5420         * doc/install.texi: Document that libstdc++-v3 requires
5421         now automake 1.9.1.
5422
5423 2004-08-25  Caroline Tice  <ctice@apple.com>
5424
5425         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
5426         to comments at start of function.
5427         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
5428         comment.
5429         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5430         merge_blocks_move_predecessor_nojumps,
5431         merge_blocks_move_successor_nojumps, merge_blocks_move,
5432         try_crossjump_to_edge, try_crossjump_bb): Likewise.
5433         * cfglayout.c (fixup_reorder_chain): Likewise.
5434         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5435         cfg_layout_can_merge_blocks_p):  Likewise.
5436         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
5437         * passes.c (rest_of_compilation): Update comments for calling
5438         optimization that partitions hot/cold basic blocks.
5439         * doc/invoke.texi:  Update documentation of
5440         freorder-blocks-and-partition flag.
5441
5442 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
5443
5444         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
5445         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
5446
5447 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
5448
5449         * config/mips/mips.md (any_shift): New code macro.
5450         (optab, insn): New code attributes.
5451         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
5452         Use the standard rather than internal patterns for the MIPS16
5453         double-shift optimization.
5454         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
5455         Redefine using :GPR and any_shift.
5456         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
5457         to cover all three shifts.
5458         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
5459         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
5460         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
5461
5462 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
5463
5464         * gimplify.c (lookup_tmp_var): Separate temporaries when not
5465         optimizing.
5466
5467 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5468
5469         PR libstdc++/17005 (fix for HP-UX 11.11)
5470         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
5471         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
5472         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
5473         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
5474         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
5475         (LINK_SPEC): Handle march=1.0 option.
5476         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
5477         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
5478         (SUBTARGET_OPTIONS): New define.
5479         (LINK_SPEC): Handle march=1.0 option.
5480         (STARTFILE_SPEC): New define.
5481         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
5482         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
5483         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
5484         (SUBTARGET_OPTIONS): New define.
5485         (LINK_SPEC): Handle march=1.0 option.
5486         (STARTFILE_SPEC): New define.
5487         * config/pa/pa.c (override_options): Add code to process -munix= option.
5488         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
5489         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
5490         defines.
5491         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
5492         (SUBTARGET_OPTIONS): Provide default define.
5493         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
5494         STANDARD_STARTFILE_PREFIX_2): New defines.
5495         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
5496         (ENDFILE_SPEC): Use %O.
5497         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
5498         Mention issue caused by changing namespace and runtime to UNIX 95/98.
5499         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
5500         Document -munix=std option.
5501
5502 2004-08-25  Steven Bosscher  <stevenb@suse.de>
5503
5504         * cse.c (cse_around_loop, cse_check_loop_start,
5505         cse_set_around_loop): Remove.
5506         (cse_basic_block): Remove the around_loop argument.
5507         (cse_end_of_basic_block): Remove the after_loop argument.
5508         (cse_main): Likewise.
5509         * rtl.h (cse_main): Update prototype.
5510         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
5511         rest_of_handle_gcse): Update cse_main calls.
5512
5513 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
5514
5515         * tree.h  (build_int_cst): New, sign extended constant.
5516         (build_int_cstu): New, zero extended constant.
5517         (build_int_cst_wide): Renamed from build_int_cst.
5518         * tree.c (build_int_cst, build_int_cstu): New.
5519         (build_int_cst_wide): Renamed from build_int_cst.
5520         (make_vector_type, build_common_tree_nodes,
5521         build_common_tree_nodes_2): Adjust build_int_cst calls.
5522         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
5523         expand_builtin_strpbrk, expand_builtin_fputs,
5524         build_string_literal, expand_builtin_printf,
5525         expand_builtin_sprintf, fold_builtin_classify_type,
5526         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
5527         fold_builtin_toascii, fold_builtin_isdigit,
5528         simplify_builtin_strstr, simplify_builtin_strpbrk,
5529         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
5530         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
5531         DEF_ATTR_INT): Likewise.
5532         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
5533         Likewise.
5534         * c-lex.c (interpret_integer, lex_charconst): Likewise.
5535         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
5536         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5537         * c-typeck.c (really_start_incremental_init, push_init_level,
5538         set_nonincremental_init_from_string): Likewise.
5539         * calls.c (load_register_parameters): Likewise.
5540         convert.c (convert_to_pointer): Likewise.
5541         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
5542         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
5543         build_gcov_info): Likewise.
5544         * except.c (init_eh, assign_filter_values): Likewise.
5545         * expmed.c (store_fixed_bit_field, extract_bit_field,
5546         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
5547         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
5548         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
5549         * expr.c (convert_move, emit_group_load, emit_group_store,
5550         expand_assignment, store_constructor, store_field,
5551         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
5552         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
5553         invert_truthvalue, optimize_bit_field_compare,
5554         decode_field_reference, all_ones_mask_p, constant_boolean_node,
5555         fold_div_compare, fold, fold_read_from_constant_string,
5556         fold_negate_const, fold_abs_const, fold_not_const, round_up,
5557         round_down): Likewise.
5558         * function.c (assign_parm_setup_block): Likewise.
5559         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
5560         Likewise.
5561         * stor-layout.c (layout_type, initialize_sizetypes,
5562         set_min_and_max_values_for_integral_type): Likewise.
5563         * tree-chrec.c (chrec_fold_multiply_poly_poly,
5564         reset_evolution_in_loop): Likewise.
5565         * tree-chrec.h (build_polynomial_chrec): Likewise.
5566         * tree-complex.c (build_replicated_const): Likewise.
5567         * tree-eh.c (honor_protect_cleanup_actions,
5568         lower_try_finally_onedest, lower_try_finally_copy,
5569         lower_try_finally_switch): Likewise.
5570         * tree-mudflap.c (mf_build_string, mx_register_decls,
5571         mudflap_register_call, mudflap_enqueue_constant): Likewise.
5572         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
5573         * tree-pretty-print.c (dump_generic_node): Likewise.
5574         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
5575         Likewise.
5576         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
5577         * tree-ssa-loop-niter.c (number_of_iterations_cond,
5578         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
5579         Likewise.
5580         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
5581         canonicalize_loop_induction_variables): Likewise.
5582         * tree-vectorizer.c (vect_create_index_for_array_ref,
5583         vect_transform_loop_bound, vect_compute_data_ref_alignment):
5584         Likewise.
5585
5586         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
5587         alpha_gimplify_va_arg_1): Likewise.
5588         * config/arm/arm.c (arm_get_cookie_size): Likewise.
5589         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5590         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
5591         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
5592         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
5593         mips_gimplify_va_arg_expr): Likewise.
5594         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5595         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
5596         add_compiler_branch_island): Likewise.
5597         * config/s390/s390.c (s390_va_start): Likewise.
5598         * config/sh/sh.c (sh_va_start): Likewise.
5599         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
5600         Likewise.
5601         * config/xtensa/xtensa.c (xtensa_va_start,
5602         xtensa_gimplify_va_arg_expr): Likewise.
5603
5604         * objc/objc-act.c (build_objc_string_object,
5605         build_objc_symtab_template, init_def_list, init_objc_symtab,
5606         init_module_descriptor, generate_static_references,
5607         build_selector_translation_table, get_proto_encoding,
5608         build_typed_selector_reference, build_selector_reference,
5609         build_next_objc_exception_stuff,
5610         build_method_prototype_list_template, generate_descriptor_table,
5611         generate_protocols, build_protocol_initializer,
5612         build_ivar_list_template, build_method_list_template,
5613         build_ivar_list_initializer, generate_ivars_list,
5614         generate_dispatch_table, generate_protocol_list,
5615         build_category_initializer, build_shared_structure_initializer,
5616         generate_shared_structures, handle_impent,
5617         generate_objc_image_info): Likewise.
5618
5619 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
5620
5621         * cfglayout.c (duplicate_insn_chain): Remove references to
5622         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
5623         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
5624         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
5625         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
5626         and NOTE_INSN_LOOP_CONT.
5627         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
5628         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
5629         and NOTE_INSN_LOOP_CONT.
5630         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
5631         check_dbra_loop, loop_dump_aux): Remove references to removed notes
5632         and fields.
5633         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
5634         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
5635         references to removed notes and fields.
5636         (subtract_reg_term, ujump_to_loop_cont): Remove.
5637
5638 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
5639
5640         * doc/install.texi: Document that libcpp does not require
5641         Automake any longer.  Document that Automake 1.9.1 should
5642         work everywhere.
5643
5644 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
5645
5646         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
5647         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
5648         DWARF_DEBUGGING_INFO from choice-of-definition chain;
5649         restructure using C89 features (#elif, #error).
5650         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
5651         * config/sh/sh.h: Remove references to DWARF_DEBUG.
5652         * doc/invoke.texi: Remove references to DWARF version 1;
5653         clarify why -gdwarf-2<n> doesn't work.
5654
5655 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
5656
5657         * basic-block.h (BB_SET_PARTITION): Clear old value first.
5658         * cfg.c (clear_bb_flags): Don't clear partition setting.
5659         * ifcvt.c (find_if_case_1): Remove ??? comment.
5660
5661 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
5662
5663         PR target/17052
5664         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
5665         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5666         current_function_stdarg in place of sysv_varargs_p.
5667         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
5668         sysv_varargs_p.
5669
5670 2004-08-24  Richard Henderson  <rth@redhat.com>
5671
5672         PR target/16298
5673         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
5674         random codes within CONST.
5675
5676 2004-08-24  James E Wilson  <wilson@specifixinc.com>
5677
5678         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
5679         -freorder-blocks-and-partition.
5680
5681 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5682
5683         PR middle-end/17044
5684         * tree-ssa-threadupdate.c (redirection_data): Make static.
5685         (thread_block): Use ggc_alloc_cleared to allocate struct
5686         redirection_data.  Don't free elements in redirection_data.
5687
5688 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5689
5690         * config/mips/predicates.md (small_data_pattern): Match prefetches.
5691
5692 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5693
5694         PR tree-optimization/17016
5695         * tree-ssa-loop-niter.c (number_of_iterations_cond,
5696         number_of_iterations_exit): Use POINTER_TYPE_P instead
5697         of testing for POINTER_TYPE.
5698
5699 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5700
5701         * tree-ssa-loop-ivcanon.c: New file.
5702         * tree-ssa-loop-manip.c (create_iv): New function.
5703         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
5704         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
5705         * cfgloop.c (mark_single_exit_loops): New function.
5706         (verify_loop_structure): Verify single-exit loops.
5707         * cfgloop.h (struct loop): Add single_exit field.
5708         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
5709         (mark_single_exit_loops): Declare.
5710         (tree_num_loop_insns): Declare.
5711         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
5712         (duplicate_loop_to_header_edge): Use it.
5713         * common.opt (fivcanon): New flag.
5714         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
5715         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
5716         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
5717         (bsi_insert_on_edge_immediate): New function.
5718         * tree-flow.h (bsi_insert_on_edge_immediate,
5719         canonicalize_induction_variables, tree_unroll_loops_completely,
5720         create_iv): Declare.
5721         * tree-optimize.c (init_tree_optimization_passes): Add
5722         pass_iv_canon and pass_complete_unroll.
5723         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
5724         * tree-scalar-evolution.c (get_loop_exit_condition,
5725         get_exit_conditions_rec, number_of_iterations_in_loop,
5726         scev_initialize): Use single_exit information.
5727         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
5728         missing assumptions.
5729         (loop_niter_by_eval):  Return number of iterations as unsigned
5730         int.
5731         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
5732         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
5733         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
5734         New passes.
5735         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
5736         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
5737         the defining statement is ready.
5738         * tree-vectorizer.c (vect_create_iv_simple): Removed.
5739         (vect_create_index_for_array_ref, vect_transform_loop_bound):
5740         Use create_iv.
5741         (vect_transform_loop_bound): Use single_exit information.
5742         (vect_analyze_loop_form): Cleanup bogus tests.
5743         (vectorize_loops): Do not call flow_loop_scan.
5744         * tree.h (may_negate_without_overflow_p): Declare.
5745         * fold-const.c (may_negate_without_overflow_p): Split out from ...
5746         (negate_expr_p): ... this function.
5747         (tree_expr_nonzero_p): Handle overflowed constants correctly.
5748         * doc/invoke.texi (-fivcanon): Document.
5749         * doc/passes.texi: Document canonical induction variable creation.
5750
5751 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5752
5753         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
5754         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
5755         using the mode of the operand to decide between them.
5756         * config/mips/mips.md (MOVECC): New mode macro.
5757         (ccreg): New mode attribute.
5758         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
5759         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
5760         (mov[sd]icc): Redefine using :GPR.
5761
5762 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5763
5764         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
5765         (mips_prefetch_cookie): New function.
5766         * config/mips/mips.c (print_operand_address): Fix handling of
5767         ADDRESS_CONST_INT.
5768         (mips_emit_prefetch): Delete.
5769         (mips_prefetch_cookie): New function.
5770         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
5771         mode of QImode for the address_operand.  Use mips_prefetch_cookie
5772         to calculate the first "pref" operand.
5773         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
5774         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
5775
5776 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
5777
5778         * arm.md: Include predicates.md.
5779         * predicates.md: New file.
5780         * arm.c (s_register_operand, arm_hard_register_operand)
5781         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
5782         (arm_immediate_operand, arm_neg_immediate_operand)
5783         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
5784         (arm_add_operand, arm_addimm_operand, arm_not_operand)
5785         (offsettable_memory_operand, alignable_memory_operand)
5786         (arm_reload_memory_operand, arm_float_rhs_operand)
5787         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
5788         (index_operand, shiftable_operator, logical_binary_operator)
5789         (shift_operator, equality_operator, arm_comparison_operator)
5790         (minmax_operator, cc_register, dominant_cc_register)
5791         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
5792         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
5793         (const_shift_operand, load_multiple_operation)
5794         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
5795         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
5796         (cirrus_register_operand, cirrus_fp_register)
5797         (cirrus_shift_const): Delete, replaced with equivalents in
5798         predicates.md.
5799         (shift_op): Handle ROTATE.
5800         * arm-protos.h: Delete declarations for above.
5801         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
5802         * t-arm (MD_INCLUDES): Add predicates.md.
5803         (s-preds): Depends on MD_INCLUDES.
5804
5805 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5806
5807         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
5808         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
5809         patterns.  Redefine using :GPR.  Give the match_operator a mode.
5810         Use '%2' rather than '%z2' for operand 2.
5811
5812 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5813
5814         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
5815         attribute.
5816
5817 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5818
5819         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
5820         of internal patterns.
5821         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
5822         Redefine using :P.
5823         (tablejump): Use expand_binop to calculate address.  Adjust names
5824         of internal patterns.
5825         (tablejump[sd]i): Renamed from tablejump_internal[12].
5826         Redefine using :P.
5827         (tablejump_mips16[12]): Delete.
5828
5829 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5830
5831         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
5832         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
5833         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
5834         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
5835         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
5836
5837 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
5838
5839         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
5840         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
5841         using :GPR.
5842         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
5843         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
5844         (*branch_equality[sd]i_inverted): Likewise
5845         branch_equality{,_di}_inverted.
5846         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
5847         Redefine using :GPR.
5848
5849 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
5850
5851         * rtl.def: Reorganize, placing all codes used only in machine
5852         descriptions at the end.
5853
5854         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
5855         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
5856         rtx_name, rtx_format arrays by direct reference to rtl.def,
5857         first undefining GENERATOR_FILE.  Define enum insn_note and
5858         note_insn_name array by direct reference to insn-notes.def.
5859         (adjust_field_rtx_def): Remove local definition of rtx_name.
5860         Use symbolic names for insn notes.
5861         * Makefile.in (gengtype.o): Update dependencies.
5862
5863 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
5864
5865         * basic-block.h (struct basic_block_def): Reorder fields to
5866         eliminate interior padding.  Remove 'partition' field.
5867         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
5868         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
5869         (BB_COPY_PARTITION): New macros.
5870         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
5871         Replace all references to the 'partition' field of a basic
5872         block with new macros.
5873
5874         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
5875         * final.c (final_scan_insn): Don't handle it.
5876         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
5877         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
5878         * sched-rgn.c (sched_is_disabled_for_current_region_p):
5879         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
5880
5881 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
5882
5883         * c-decl.c (c_init_decl_processing): Adjust
5884         build_common_tree_nodes call.
5885         * expmed.c (const_mult_add_overflow_p): Use
5886         build_distinct_type_copy.
5887         * stor-layout.c (early_type_list): Remove.
5888         (layout_type): Don't append to early_type_list.
5889         (initialize_sizetypes): Add signed_p argument.
5890         (set_sizetype): Overwrite the stub type nodes directly.
5891         * tree.c (copy_node_stat): Clear a type's value cache here ...
5892         (build_distinct_type): ... not here.
5893         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
5894         * tree.h (initialize_sizetypes): Add signed_p argument.
5895         (build_common_tree_nodes): Likewise.
5896
5897         * objc/objc-act.c (get_static_reference): Use
5898         build_variant_type_copy.
5899         (get_protocol_reference): Likewise.
5900         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
5901
5902 2004-08-24  Richard Henderson  <rth@redhat.com>
5903             Andrew Pinski  <apinski@apple.com>
5904
5905         * gimplify.c (gimplify_array_ref_to_plus): Delete.
5906         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
5907         for ARRAY_REF.
5908
5909         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
5910         ARRAY_REF also to get to the STRING_CST.
5911
5912 2004-08-24  Paul Brook  <paul@codesourcery.com>
5913
5914         * config/arm/arm.c (arm_override_options): Update error message.
5915         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
5916         TARGET_HARD_FLOAT_ABI.
5917         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
5918         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
5919
5920 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
5921
5922         PR target/17093
5923         * config/m32r.md (movsi_sda): Add SI mode specification to
5924         UNSPEC.
5925
5926 2004-08-24  Nick Clifton  <nickc@redhat.com>
5927
5928         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
5929         of seth_add3_operand.
5930
5931 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
5932
5933         * Makefile.in (PROTO_OBJS): Add errors.o.
5934         * protoize.c (fancy_abort): Remove.
5935         * mips-tfile.c (fancy_abort): Add parameters.
5936
5937 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
5938
5939         * doc/trouble.texi (C++ misunderstandings): Fix example code.
5940
5941 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
5942
5943         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
5944         (host-default.o): Add dependency on HOOKS_H.
5945         * config/x-linux: Likewise.
5946         * config/x-solaris: Likewise.
5947         * config/i386/x-mingw32: Likewise.
5948         * config/rs6000/x-darwin: Likewise.
5949
5950 2004-08-23  James E Wilson  <wilson@specifixinc.com>
5951
5952         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
5953         DEF_REG_NOTE.
5954
5955 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
5956
5957         PR c/14492
5958         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
5959
5960 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
5961
5962         * cfg.c (check_bb_profile): Fix typos.
5963         * function.c (assign_parm_is_stack_parm): Likewise.
5964         * tree-nested.c: Likewise.
5965
5966 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
5967
5968         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
5969         Remove TYPECODE.
5970         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
5971
5972 2004-08-23  Eric Christopher  <echristo@redhat.com>
5973
5974         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
5975         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
5976         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
5977         * target.h: Ditto.
5978         * hooks.h: Include machmode.h.
5979         (hook_bool_mode_false): Declare.
5980         * hooks.c (hook_bool_mode_false): Define.
5981         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
5982         * stor-layout.c (layout_type): Ditto.
5983         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
5984         Define to target macro.
5985         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
5986         * config/arm/arm.c: Ditto. Use.
5987         * config/arm/arm.h: Ditto.
5988         * config/arm/arm-protos.h: Ditto.
5989         * config/i386/i386.c: Ditto.
5990         * config/i386/i386.h: Ditto.
5991         * config/rs6000/rs6000.c: Ditto.
5992         * config/rs6000/rs6000.h: Ditto.
5993         * config/sh/sh.c: Ditto.
5994         * config/sh/sh.h: Ditto.
5995         * config/sh/sh-protos.h: Ditto.
5996         * config/sh/sh.md: Use.
5997         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
5998         to TARGET_VECTOR_MODE_SUPPORTED_P.
5999
6000 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
6001
6002         * Makefile.in (BUILD_ERRORS): Set to build-errors.
6003         (errors.o): New target for host.
6004         (build-errors.o): New target for build.
6005         (genobjs): Replace errors.o with build-errors.
6006         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
6007         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
6008         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
6009         (fix-header.o): Add errors.h
6010         * collect2.c (fancy_abort): Add parameters.
6011         * collect2.h (fancy_abort): Don't declare.
6012         * errors.h (fancy_abort): Don't declare.
6013         * errors.c: Include either bconfig.h or config.h.
6014         (fancy_abort): Trim filename.
6015         * fix-header.c (v_fatal, fatal): Remove.
6016         (progname): Remove definition.
6017         (main): Set progname here.
6018         * gcc.c (fancy_abort): Add parameters.
6019         * gcc.h (fancy_abort): Remove declaration.
6020         * gcov.c (fancy_abort): Remove.
6021         * rtl.h (fancy_abort): Don't declare.
6022         (abort): Don't define.
6023         * tree.h (fancy_abort): Don't declare.
6024         (abort): Don't define.
6025         * system.h (fancy_abort): Declare.
6026         (abort): Define to fancy_abort.
6027         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
6028
6029         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
6030         (usize_type, ubitsizetype): Remove.
6031         * stor-layout.c (set_sizetype): Don't initialize usizetype,
6032         ubitsizetype.
6033         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
6034
6035         * tree.h (build_distinct_type_copy): New.
6036         (build_type_copy): ... here.  Rename to ...
6037         (build_variant_type_copy): ... here.
6038         * tree.c (build_qualified_type): Rename build_type_copy call.
6039         (build_distinct_type_copy): New, broken out of ...
6040         (build_type_copy): ... here.  Rename to ...
6041         (build_variant_type_copy): ... here.  Use
6042         build_distinct_type_copy.
6043         (build_common_tree_nodes_2): Rename build_type_copy call.
6044         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
6045         call.
6046         (handle_packed_attribute, handle_unused_attribute,
6047         handle_transparanet_union_attribute, handle_aligned_attribute,
6048         handle_deprecated_attribute): Likewise.
6049         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
6050         Likewise.
6051         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
6052         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
6053         build_distinct_type_copy.
6054
6055 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6056
6057         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
6058         attribute.
6059
6060 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6061
6062         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
6063         loads and stores.
6064         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
6065         formerly unnamed patterns.  Redefine using :P for the address.  Remove
6066         explicit length attributes.
6067
6068 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6069
6070         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
6071         New functions.
6072         (single_reachable_address): Use them.
6073         (schedule_sm): Add dump.
6074         (is_call_clobbered_ref): New function.
6075         (determine_lsm_reg): Check whether the reference is call clobbered.
6076         Only work for gimple_reg_type values.
6077
6078 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6079
6080         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
6081         $31 store insns.  Redefine using :GPR.
6082
6083 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6084
6085         * config/mips/mips.md (P): New mode macro.
6086         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
6087         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
6088         Add mode attributes.
6089
6090 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6091
6092         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
6093         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
6094         later constants to cover the gap.
6095         (load, store): New mode attributes.
6096         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
6097         Use new unspec constants.
6098
6099 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6100
6101         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
6102         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
6103         to use register_operand rather than uns_arith_operand as the predicate
6104         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
6105         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
6106         Redefine using :GPR.  Make same predicate change here.  Extend the
6107         commutativity of operands 1 and 2 from the SImode version to the
6108         DImode one.
6109         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
6110         but with no predicate changes.
6111         (*nor[sd]i3): Redefine using :GPR.
6112
6113 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
6114
6115         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
6116         noreturn functions.
6117
6118 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6119
6120         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
6121         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
6122         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
6123         rather than "%z2" (with a fake const0_rtx for operand 2).
6124         (ffs[sd]i2): Redefine using :GPR.
6125         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
6126
6127 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6128
6129         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
6130
6131 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6132
6133         * config/mips/mips.md (any_extend): New code macro.
6134         (u, su): New code attributes.
6135         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
6136         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
6137         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
6138         (*{s,u}mul_acc_di): Redefine using any_extend.
6139         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
6140         to reflect real insn names.
6141         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
6142         with an any_extend template.
6143         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
6144         Add '*' to name.
6145
6146 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6147
6148         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
6149         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
6150         (mul[sd]i3_r4000): Redefine using :GPR.
6151         (mulsi3_mult3): Don't check TARGET_MAD separately.
6152         (muldi3_mult3): Moved after mulsi_mult3.
6153
6154 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6155
6156         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
6157         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
6158         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
6159         (TARGET_GAS, TARGET_MIPS_AS): Delete.
6160         (TARGET_GPWORD): Define to true for n32 on IRIX.
6161         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
6162         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
6163         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
6164         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
6165         (MDEBUG_ASM_SPEC): Delete, folding into...
6166         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
6167         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
6168         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
6169         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
6170         to define asm_abi_default_spec.
6171         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
6172         (TARGET_ASM_SELECT_SECTION): Delete.
6173         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
6174         for non-mips16 code, removing previous workaround for SGI assemblers.
6175         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
6176         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
6177         (override_options): Remove !TARGET_GAS and !have_named_sections code.
6178         (print_operand): Fold TARGET_GAS conditionals into asm strings.
6179         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
6180         ASM_STABS_OP and ASM_STABN_OP.
6181         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
6182         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
6183         (mips_output_function_prologue): Remove !TARGET_GAS code.
6184         (mips_select_rtx_section): Remove !have_named_sections code.
6185         (mips_select_section): Delete.
6186         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
6187         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
6188         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
6189         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
6190         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
6191         * config/mips/windiss.h (ASM_SPEC): Likewise.
6192
6193 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6194
6195         * read-rtl.c (map_value, mapping, macro_group): New structures.
6196         (BELLWETHER_CODE): New macro.
6197         (modes, codes, bellwether_codes): New variables.
6198         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
6199         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
6200         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
6201         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
6202         (add_map_value, initialize_macros): New functions.
6203         (def_hash, def_hash_eq_p): Generalize to anything that points to,
6204         or starts with, a char * field.
6205         (find_macro, read_mapping, check_code_macro): New functions.
6206         (read_rtx_1): New, split out from read_rtx.  Handle the new
6207         define_{mode,code}_{macro,attr} constructs.  Use find_macro
6208         to parse the name of a code or mode.  Use BELLWETHER_CODE to
6209         extract the format and to choose a suitable code for rtx_alloc.
6210         Modify recursive invocations to use read_rtx_1.
6211         (read_rtx): Call initialize_macros.  Apply code and mode macros
6212         to the rtx returned by read_rtx_1.  Cache everything after the
6213         first macro expansion for subsequent read_rtx calls.
6214         * doc/md.texi: Document new .md constructs.
6215         * config/mips/mips.md (GPR): New mode macro.
6216         (d, si8_di5): New mode attributes.
6217         (any_cond): New code macro.
6218         (add[sd]i3): Redefine using :GPR.
6219         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
6220         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
6221         previously unnamed MIPS16 patterns.
6222         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
6223         lines.  Don't match (plus (const_int 0) ...).
6224         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
6225         Use a define_split to generate the addition.
6226         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
6227         (subsi3_internal): Delete.
6228         (*subsi3_extended): Renamed from subsi3_internal_2.
6229         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
6230         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
6231         using an any_cond template.
6232
6233 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6234
6235         * read-rtl.c (read_rtx): Tidy use of format_ptr.
6236
6237 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
6238
6239         * read-rtl.c (string_obstack): New file-scope variable.
6240         (read_string, read_quoted_string, read_braced_string)
6241         (read_escape): Remove obstack parameter and use string_obstack instead.
6242         (read_rtx): Remove function-local rtl_obstack and initialize
6243         string_obstack instead.  Update call to read_string.
6244
6245 2004-08-22  Andrew Pinski  <apinski@apple.com>
6246
6247         PR c/15262
6248         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
6249         expression is not constant.
6250         (c_finish_return): Do not go through INDIRECT_REF when looking
6251         for the inner expression of an ADDR_EXPR for warning about.
6252
6253 2004-08-22  Richard Henderson  <rth@redhat.com>
6254
6255         PR 17075
6256         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
6257         create new blocks and fall through.
6258         (expand_gimple_basic_block): Update to match.
6259
6260 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
6261
6262         * reload.c (find_reloads_address): Make return value tri-state.
6263         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
6264         (find_reloads): Assume that reloaded addresses match 'o' or
6265         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
6266         returned 1 (not -1).  Omit optional reloads for address operands
6267         only if find_reloads_address returned 1 (not -1).
6268
6269         * config/s390/s390.c (legitimize_reload_address): New function.
6270         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
6271         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
6272         legitimize_reload_address.
6273
6274 2004-08-22  Richard Hendersion  <rth@redhat.com>
6275
6276         * tree.h (SAVE_EXPR_RESOLVED_P): New.
6277         * gimplify.c (gimplify_save_expr): Use it.
6278         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
6279         on the temporary variable.
6280
6281 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
6282
6283         * fold-const.c (rtl_expr_nonnegative_p): Delete.
6284         * tree.h (rtl_expr_nonnegative_p): Remove.
6285
6286 2004-08-22  Steven Bosscher  <stevenb@suse.de>
6287
6288         * config/i386/ppro.md (ppro_complex_insn): Add missing check
6289         for cpu==pentiumpro.
6290
6291         * combine.c (struct reg_stat): Fix comment typo.
6292
6293 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
6294
6295         * c-tree.h (c_sizeof_nowarn): Remove.
6296
6297 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
6298
6299         * c-decl.c (set_array_declarator_type): Rename to
6300         set_array_declarator_inner.
6301         (build_c_parm, build_attrs_declarator, build_function_declarator):
6302         New functions.
6303         (make_pointer_declarator): Call build_attrs_declarator.
6304         * c-tree.h (set_array_declarator_type): Rename to
6305         set_array_declarator_inner.
6306         (build_c_parm, build_attrs_declarator, build_function_declarator):
6307         New prototypes.
6308         * c-parse.in (after_type_declarator,
6309         parm_declarator_starttypename, parm_declarator_nostarttypename,
6310         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
6311         firstparm): Use these functions
6312
6313 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
6314
6315         * c-decl.c (build_array_declarator, set_array_declarator_type,
6316         start_decl, grokdeclarator, grokparms): Change boolean parameters
6317         to type bool.
6318         * c-tree.h (build_array_declarator, set_array_declarator_type,
6319         start_decl): Update prototypes.
6320         * c-decl.c, c-parse.in: All callers changed.
6321
6322 2004-08-21  Mike Stump  <mrs@apple.com>
6323
6324         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
6325         (darwin_fix_and_continue): Likewise.
6326         (darwin_fix_and_continue_switch): Likewise.
6327         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
6328         (darwin_fix_and_continue): Likewise.
6329         (darwin_fix_and_continue_switch): Likewise.
6330
6331 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
6332
6333         PR  c++/16030
6334         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
6335         Remove, merging into ...
6336         (gen_stdcall_or_fastcall_suffix): New function, returning tree
6337         rather than const char*, and accepting additional parameter.
6338         Don't add suffix to '*'-prefixed symbols or variadic functions.
6339         (i386_pe_encode_section_info): Adjust for call to new function.
6340         Call change_decl_assembler_name.
6341
6342 2004-08-20  Mike Stump  <mrs@apple.com>
6343
6344         * config/darwin.c (machopic_indirect_data_reference): Mark
6345         stubs as defined.
6346         * config/386/386.c (darwin_local_data_pic): Add.
6347         (legitimate_constant_p): Reorder so that PLUS handling runs
6348         before darwin_local_data_pic to match the ordering in
6349         legitimate_pic_address_disp_p and so that MINUS runs after
6350         darwin_local_data_pic as otherwise the darwin_local_data_pic
6351         logic can be skipped, which would be very bad.
6352         (legitimate_pic_address_disp_p): Move from from here to
6353         darwin_local_data_pic so it can be reused.
6354
6355 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
6356
6357         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
6358         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
6359         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
6360         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
6361         (RS6000_ABI_NAME): Define as "linux".
6362         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
6363         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
6364         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
6365         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
6366         * config/rs6000/rs6000.c (dot_symbols): New global var.
6367         (rs6000_output_function_entry): New function, modified for
6368         !DOT_SYMBOLS..
6369         (print_operand <case 'z'>): ..extracted from here.
6370         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
6371         (rs6000_output_function_epilogue): Likewise.
6372         (rs6000_elf_declare_function_name): Likewise.
6373         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
6374         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
6375         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
6376         * configure: Regenerate.
6377         * config.in: Regenerate.
6378
6379 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
6380
6381         * reload.c (find_reloads_address): Fix thinko in previous change.
6382
6383         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
6384         a CONST_INT.
6385
6386 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
6387
6388         PR rtl-optimization/17099
6389         * combine.c (force_to_mode): Check if inner_mask has any bits set
6390         outside of GET_MODE (x) instead of op_mode.
6391
6392 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
6393
6394         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
6395         fragment.
6396         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
6397         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
6398         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
6399         architecture.
6400         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
6401         configurations.
6402         * config/arm/t-symbian: New file.
6403
6404 2004-08-20  Andrew Pinski  <apinski@apple.com>
6405
6406         * regrename.c (kill_value_regno): ANSIfy.
6407
6408 2004-08-20  Dale Johannesen  <dalej@apple.com>
6409
6410         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
6411
6412 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
6413
6414         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
6415         (kill_value_regno): New function, derived from kill_value.
6416         (kill_value): Update.
6417         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
6418
6419 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
6420
6421         Fix PR tree-optimization/17111
6422         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
6423         of non-value_handles.
6424         (bitmap_set_contains): All constants are in every set.
6425
6426 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
6427
6428         * fold-const.c (round_up, round_down): Use build_int_cst.
6429         Optimize common case.
6430
6431 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
6432             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6433
6434         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
6435         one_only_data_section): Rename to som_readonly_data_section,
6436         som_one_only_readonly_data_section and som_one_only_data_section.
6437         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
6438         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
6439         conditional defines.
6440         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
6441         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
6442         string values.
6443         (pa_select_section): Use renamed section functions.
6444         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
6445         SOM_READONLY_DATA_SECTION_FUNCTION,
6446         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
6447         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
6448         Define here ...
6449         * config/pa/som.h: ... not here.
6450         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
6451         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
6452         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
6453         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
6454         (READONLY_DATA_SECTION): Use som_readonly_data_section.
6455
6456 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
6457
6458         * fold-const.c (int_const_binop): Don't generate non-overflowing
6459         size-types specially.
6460         (fold_convert_const): Likewise.
6461
6462         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
6463         clear cache on copied sizetype.
6464
6465 2004-08-20  Ben Elliston  <bje@au.ibm.com>
6466
6467         * configure.ac: Don't escape apostrophe in --enable-coverage help.
6468         * configure: Regenerate.
6469
6470 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
6471
6472         PR 5620
6473         * gcc.c (struct stat input_stat): Don't define if
6474         HOST_LACKS_INODE_NUMBERS
6475         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
6476         than stat to determine if temp file is same as input file.
6477         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
6478         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
6479
6480 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
6481
6482         * configure.ac (mips*-*-*): Print an error if not using GAS.
6483         * configure: Regenerated.
6484         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
6485         comments about buggy MIPSpro assemblers.
6486         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
6487         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
6488         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
6489         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
6490         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
6491         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
6492         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
6493         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
6494         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
6495         of more general IRIX 6 definitions.
6496         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
6497         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
6498         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
6499         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
6500         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
6501         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
6502         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
6503         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
6504         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
6505         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
6506         (LINK_SPEC): Move most of definition to iris.h.
6507         (SUBTARGET_LINK_SPEC): New macro.
6508         (IRIX_STARTFILE_SPEC): Fold into...
6509         (STARTFILE_SPEC): ...here.
6510         (IRIX_ENDFILE_SPEC): Fold into...
6511         (ENDFILE_SPEC): ...here.
6512         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
6513         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
6514         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
6515         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
6516         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
6517         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
6518         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
6519         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
6520         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
6521         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
6522         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
6523         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
6524         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
6525         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
6526         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
6527         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
6528         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
6529         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
6530         (TARGET_IRIX6): Define to 1.
6531         (DRIVER_SELF_SPECS): Define.
6532         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
6533         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
6534         (SUBTARGET_LINK_SPEC): New macro.
6535         (IRIX_STARTFILE_SPEC): Fold into...
6536         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
6537         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
6538         (LIB_SPEC, LIBGCC_SPEC): Use them.
6539         (LIB_SPEC): Remove !mabi=* case.
6540         (IRIX_ENDFILE_SPEC): Fold into...
6541         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
6542         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
6543         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
6544         (TARGET_IRIX6): New macro.
6545         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
6546         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
6547         (LABEL_AFTER_LOC): Delete.
6548         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
6549         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
6550         (mips_build_builtin_va_list): Check TARGET_IRIX6.
6551         (override_options): Remove TARGET_SGI_O32_AS-related code.
6552         (irix_output_external_libcall): Make static.
6553         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
6554         LABEL_AFTER_LOC.
6555         (mips_file_start): Tidy guard for ABI sections.  Remove use of
6556         ABICALLS_ASM_OP; use .abicalls instead.
6557         (mips_output_aligned_decl_common, mips_declare_object_name)
6558         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
6559         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
6560         .globl foo .text directives.
6561         (irix_asm_named_section_1, irix_asm_named_section)
6562         (irix_section_align_entry, irix_section_align_htab)
6563         (irix_orig_asm_out_file, irix_section_align_entry_eq)
6564         (irix_section_align_entry_hash, irix_asm_output_align)
6565         (irix_file_start, irix_section_align_1, copy_file_data)
6566         (irix_file_end, irix_section_type_flags): Delete.
6567         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
6568         Use standard section syntax.  Remove protective "jr $31".
6569         (__gcc_fini): Likewise .gcc_fini.
6570         * config/mips/irix-crtn.asm: Adjust sections accordingly.
6571         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
6572         iris5gas.h.
6573         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
6574         from t-irix-gld.
6575         (EXTRA_MULTILIB_PARTS): Define.
6576         * config/mips/t-iris6: Remove bogus comment.
6577         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
6578         * config/mips/iris5gas.h, config/mips/iris5gld.h,
6579         config/mips/iris6gas.h, config/mips/iris6gld.h,
6580         config/mips/t-iris5-as, config/mips/t-iris5-gas
6581         config/mips/t-irix-gld: Delete.
6582         * config/mips/iris.h: New file.
6583         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
6584
6585 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
6586
6587         * postreload.c (reload_cse_move2add): Allow any condjump, but check
6588         that the implicit set isn't clobbered in the jump insn.
6589
6590 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
6591
6592         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
6593         * optabs.c (init_optabs): Don't check it.
6594         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
6595         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
6596
6597 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
6598
6599         * config/s390/s390.md (s390_warn_framesize_string)
6600         (s390_warn_dynamic_string, s390_stack_size_string)
6601         (s390_stack_guard_string): New global string variables.
6602         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
6603         (s390_stack_guard): New global variables.
6604         (override_options): Added checks for the new options.
6605         (s390_emit_prologue): Emit stack check and trap code and perform
6606         compile time stack size checking.
6607
6608         * config/s390/s390.h (TARGET_OPTIONS): Added new options
6609         "warn-framesize", "warn-dynamicstack", "stack-size" and
6610         "stack-guard".
6611
6612         * doc/invoke.texi: Added documentation for the new options.
6613
6614 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
6615
6616         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
6617         to eliminate warning.
6618         (linear_search_fdes): Declare p as unsigned.
6619         (binary_search_mixed_encoding_fdes): Likewise.
6620         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
6621         to eliminate warning.
6622         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
6623         type cast.
6624
6625 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
6626
6627         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
6628         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
6629         instead of one.  Check for strictly legitimate address.
6630         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
6631         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
6632
6633 2004-08-19  Eric Christopher  <echristo@redhat.com>
6634
6635         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
6636         * langhooks.h (unsave_expr_now): Ditto.
6637         * tree.h (unsave_expr_1): Remove prototype.
6638         (lhd_unsave_expr_now): Rename to unsave_expr_now.
6639         * tree-inline.c (unsave_expr_1): Move here
6640         from tree.c. Make static.
6641         (unsave_expr_now): Rename from lhd_unsave_expr_now.
6642         * tree-sra.c: Fix up for rename.
6643         * tree-ssa-copy.c: Ditto.
6644         * tree-eh.c: Ditto.
6645         * tree.c (unsave_expr_1): Move to tree-inline.c.
6646
6647 2004-08-19  Caroline Tice  <ctice@apple.com>
6648
6649         * config/i386/cygming.h (switch_to_section):  Fix typo (change
6650         in_unlikely_text_section to in_unlikely_executed_text).
6651
6652 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
6653
6654         * vec.h (VEC_lower_bound): New macro.
6655
6656 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
6657
6658         PR target/16446
6659         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
6660         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
6661         treat each ABI separately.  Deal with n32/n64 complex float arguments.
6662         (function_arg): Add associated complex handling here.
6663
6664 2004-08-19  Richard Henderson  <rth@redhat.com>
6665
6666         * config/arm/arm.c (arm_gen_load_multiple): Use
6667         adjust_automodify_address.  Take base memory and offset instead
6668         of unchanging/struct/scalar bits.
6669         (arm_gen_store_multiple): Likewise.
6670         (arm_gen_movmemqi): Use adjust_automodify_address.
6671         * config/arm/arm-protos.h: Update decls.
6672         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
6673         (store_multiple): Similarly.
6674
6675 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
6676
6677         * regclass.c (globalize_reg): Update call_really_used_regs.
6678
6679 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
6680
6681         * doc/invoke.texi (integer-share-limit): Document.
6682
6683         * tree.h (TYPE_CACHED_VALUES_P): New.
6684         (TYPE_CACHED_VALUES): New.
6685         (TYPE_ORIG_SIZE_TYPE): Adjust.
6686         * tree.def (INTEGER_CST): Update documentation.
6687         * tree.c: Inlcude params.h.
6688         (build_int_cst): Cache small values.
6689         (build_type_copy): Do not copy the value cache.
6690         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
6691         unneeded zeroing.
6692         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
6693         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
6694         cache.
6695         * fold-const.c (force_fit_type): Copy value when setting
6696         overflows.
6697         (int_const_binop): Likewise.
6698         * stor-layout.c: Include params.h
6699         (set_sizetype): Create values cache.
6700         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
6701         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
6702         * params.h (INTEGER_SHARE_LIMIT): New.
6703         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
6704
6705 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
6706
6707         * gimplify.c (gimplify_minimax_expr): Remove.
6708         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
6709
6710 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
6711
6712         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
6713         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
6714
6715 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
6716
6717         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
6718
6719 2004-08-18  Andrew Pinski  <apinski@apple.com>
6720
6721         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
6722
6723 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
6724
6725         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
6726         (__aeabi_ul2f): Likewise.
6727
6728 2004-08-18  Richard Henderson  <rth@redhat.com>
6729
6730         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
6731         move to rtl completely.
6732         (struct meminsnbuf, xtensa_emit_block_move): Remove.
6733         (xtensa_find_mode_for_size): Remove.
6734         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
6735         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
6736
6737 2004-08-18  Richard Henderson  <rth@redhat.com>
6738
6739         * config/mcore/mcore.c (mode_from_align): Remove DImode.
6740         (block_move_sequence): Rewrite to use adjust_address.
6741         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
6742         Return boolean indicating success/failure.
6743         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
6744         * config/mcore/mcore.md (movmemsi): Update to match.
6745
6746 2004-08-18  Mike Stump  <mrs@apple.com>
6747
6748         * doc/invoke.texi (-mfix-and-continue): Add support for
6749         fast turn around debugging.
6750         (-ffix-and-continue): Likewise.
6751         (-mindirect-data): Likewise.
6752         (-findirect-data): Likewise.
6753         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
6754         (indirect_data): Likewise.
6755         (machopic_data_defined_p): Likewise.
6756         (machopic_output_indirection): Likewise.
6757         (darwin_encode_section_info): Likewise.
6758         (darwin_fix_and_continue): Likewise.
6759         (darwin_fix_and_continue_switch): Likewise.
6760         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
6761         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
6762         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
6763         (SUBTARGET_OPTIONS): Likewise.
6764         (darwin_fix_and_continue): Likewise.
6765         (darwin_fix_and_continue_switch): Likewise.
6766         (TARGET_FIX_AND_CONTINUE): Likewise.
6767         * config/rs6000.c (rs6000_emit_prologue): Likewise.
6768
6769 2004-08-19  Steven Bosscher  <stevenb@suse.de>
6770
6771         * basic-block.h (struct edge_def): Remove crossing_edge.
6772         (EDGE_CROSSING): New define.
6773         (EDGE_ALL_FLAGS): Update.
6774         * bb-reorder.c (find_traces_1_round, better_edge_p,
6775         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
6776         find_jump_block, fix_crossing_conditional_branches,
6777         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
6778         Replace all occurences of crossing_edge with an edge flag check
6779         or set/reset.
6780         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
6781         try_crossjump_bb): Likewise.
6782         * cfglayout.c (fixup_reorder_chain): Likewise.
6783         * cfgrtl.c (force_nonfallthru_and_redirect,
6784         commit_one_edge_insertion): Likewise.
6785
6786         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
6787         * tree-flow.h (compute_dominance_frontiers): Move prototype...
6788         * basic-block.h:  ...here.
6789         * tree-cfg.c (compute_dominance_frontiers_1,
6790         compute_dominance_frontiers): Move from here...
6791         * cfganal.c: ...to here.  Include timevar.h.
6792
6793 2004-08-18  James E Wilson  <wilson@specifixinc.com>
6794
6795         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
6796         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
6797
6798         * config/mips/mips.md (type): Add frdiv.
6799         (divsf3+1, divsf3+2): Change type to frdiv.
6800         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
6801         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
6802
6803         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
6804         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
6805         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
6806         * config/mips/5000.md (r5k_fdiv_single): Likewise.
6807         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
6808         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
6809         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
6810         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
6811         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
6812         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
6813         Likewise.
6814         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
6815
6816 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
6817
6818         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
6819         get regression tester working again.
6820
6821 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
6822
6823         * insn-notes.def, reg-notes.def: New files.
6824         * rtl.h: Use them to define enum insn_note and enum reg_note.
6825         * rtl.c: Use them to define note_insn_name and reg_note_name.
6826         * Makefile.in (RTL_BASE_H): Update.
6827
6828         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
6829         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
6830
6831 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
6832
6833         * arm.c (arm_size_rtx_costs): New function.
6834         (arm_override_options): Use it if optimizing for space.
6835
6836 2004-08-18  Richard Henderson  <rth@redhat.com>
6837
6838         * emit-rtl.c (gen_const_mem): New.
6839         * rtl.h (gen_const_mem): Declare.
6840         * expr.c (do_tablejump): Use it.
6841         * varasm.c (force_const_mem): Likewise.
6842         * config/darwin.c (machopic_indirect_data_reference): Likewise.
6843         (machopic_legitimize_pic_address): Likewise.
6844         * config/arm/arm.c (legitimize_pic_address): Likewise.
6845         * config/i386/i386.c (legitimize_pic_address): Likewise.
6846         (legitimize_tls_address): Likewise.
6847         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
6848         * config/ia64/ia64.md (load_fptr): Likewise.
6849         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
6850         * config/pa/pa.c (legitimize_pic_address): Likewise.
6851         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
6852         (rs6000_emit_move): Likewise.
6853         * config/s390/s390.c (legitimize_pic_address): Likewise.
6854         (legitimize_tls_address): Likewise.
6855         * config/s390/s390.md (casesi): Likewise.
6856         * config/sh/sh.c (sh_reorg): Likewise.
6857         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
6858         * config/v850/v850.md (casesi): Likewise.
6859
6860         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
6861         * config/sh/sh.c (prepare_move_operands): Remove incorrect
6862         use of MEM_READONLY_P.
6863
6864 2004-08-18  Steven Bosscher  <stevenb@suse.de>
6865
6866         * Makefile.in (OBJS-common): Add postreload-gcse.c.
6867         Add new postreload-gcse.o.
6868         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
6869         (lookup_as_function, insert, rehash_using_reg, use_related_value,
6870         equiv_constant): Use SAFE_HASH instead of safe_hash.
6871         (exp_equiv_p): Export.  Add for_gcse argument when comparing
6872         for GCSE.
6873         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
6874         find_comparison_args, fold_rtx, cse_insn): Update callers.
6875         (hash_rtx): New function derived from old canon_hash and bits
6876         from gcse.c hash_expr_1.
6877         (canon_hash_string): Rename to hash_rtx_string.
6878         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
6879         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
6880         (cselib_lookup): Update this caller.
6881         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
6882         Make static.
6883         (hash_expr): Call hash_rtx.
6884         (ldst_entry): Likewise.
6885         (expr_equiv_p): Call exp_equiv_p.
6886         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
6887         reg_used_on_edge, reg_set_between_after_reload_p,
6888         reg_used_between_after_reload_p, get_avail_load_store_reg,
6889         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
6890         get_bb_avail_insn, hash_scan_set_after_reload,
6891         compute_hash_table_after_reload,
6892         eliminate_partially_redundant_loads, gcse_after_reload,
6893         get_bb_avail_insn, gcse_after_reload_main): Remove.
6894         * postreload-gcse.c: New file, reincarnating most of the above.
6895         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
6896         (gcse_after_reload_main): Update prototype.
6897         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
6898         * passes.c (rest_of_handle_gcse2): Use it.
6899
6900 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
6901
6902         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
6903         (pass_loop_done): Likewise.
6904
6905 2004-08-18  Andrew Pinski  <apinski@apple.com>
6906
6907         * config/rs6000/darwin.md: Delete the altivec patterns which are
6908         handled differently now.
6909         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
6910         (macho_correct_pic_di): Likewise.
6911         (call_indirect_nonlocal_darwin64): Likewise.
6912         Delete the save world/saveFP/saveVec patterns.
6913
6914         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
6915         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
6916         * config/rs6000/rs6000.md: Include darwin.md.
6917         (builtin_setjmp_receiver): Add DImode case.
6918         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
6919         Darwin bits.
6920
6921 2004-08-18  Matt Austern  <austern@apple.com>
6922
6923         Dead code stripping
6924         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
6925         * darwin.c (darwin_file_end): Mark file as potentially strippable.
6926
6927 2004-08-18  Richard Henderson  <rth@redhat.com>
6928
6929         * alias.c (readonly_fields_p): Remove.
6930         (objects_must_conflict_p): Don't call it.
6931         * tree.h (readonly_fields_p): Remove.
6932         * langhooks.h (struct lang_hooks): Remove honor_readonly.
6933         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
6934
6935 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
6936
6937         * tree-dfa.c (add_referenced_var): Only global variables are
6938         call-clobbered.
6939         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
6940         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
6941         all pointers dereferenced if the statement dereferences them.
6942         (create_name_tags): Do not create memory tags for pointers
6943         that have PT_ANYTHING set.
6944         Also check if PT_VARS is not empty before creating a name tag.
6945         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
6946         variables that share the same alias set with a pointer that
6947         may point anywhere.
6948         (add_may_alias): Add FIXME comment to remove clobbering
6949         aliased variables and tags.
6950         (replace_may_alias): Likewise.
6951         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
6952         (merge_pointed_to_info): If the original variable has not
6953         points-to information, call set_pt_anything.
6954         (add_pointed_to_var): Do not prevent adding a pointed-to
6955         variable if the pointers is PT_ANYTHING.
6956         If the variable is a global, set PT_GLOBAL_MEM.
6957         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
6958         pointer type only come in PTR+OFFSET flavours.
6959         Always call merge_pointed_to_info on PHI arguments that are
6960         SSA_NAMEs.
6961         (get_nmt_for): Mark call-clobbered tags whose pointer points
6962         to global memory.
6963         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
6964         values.
6965         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
6966         FLAGS.
6967         (add_stmt_operand): Abort if the caller tried to add a killing
6968         definition for a memory tag.
6969         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
6970         unnecessary checks.
6971
6972 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
6973
6974         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
6975         from call_used_regs.  Update call_really_used_regs.
6976         (CALL_REALLY_USED_REGISTERS): Define.
6977         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
6978         Replace call_used_regs with call_really_used_regs.
6979         (calc_live_regs, sh_media_register_for_return): Likewise.
6980         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
6981         * sh.md (return_media): Likewise.
6982
6983 2004-08-18  Andrew Pinski  <apinski@apple.com>
6984
6985         * config/darwin.c (machopic_legitimize_pic_address): Only set
6986         MEM_READONLY_P in the non TARGET_TOC case.
6987
6988 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
6989
6990         * rtl.def (NIL): Delete.
6991         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
6992         Tighten the syntax a little.
6993
6994         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
6995         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
6996         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
6997         * config/i386/predicates.md, config/m32r/m32r.h
6998         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
6999         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
7000         * config/sparc/sparc.h, doc/tm.texi:
7001         Replace all occurrences of NIL with UNKNOWN.
7002
7003 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
7004
7005         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
7006         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
7007         sequence inline.  Move drop_through_label code into this
7008         block, being the only place it is used.  Adjust comments.
7009
7010 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
7011
7012         * config/rs6000/altivec.md: Add new patterns for calls to
7013         save_world/rest_world functions.
7014
7015         * config/rs6000/rs6000-protos.h: (save_world_operation,
7016         restore_world_operation) new declarations.
7017
7018         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
7019         field added.
7020         (rs6000_stack_info): Set world_save_p field.
7021         (save_world_operation): New function.
7022         (restore_world_operation): New function.
7023         (compute_save_world_info): New function.
7024         (rs6000_stack_info): Call compute_save_world_info.
7025         (rs6000_emit_prologue): Check for world_save_p and generate
7026         pattern to call save_world for saving all non-volatile and
7027         special registers.
7028         (rs6000_emit_epilogue): Check for world_save_p and generate
7029         pattern to call rest_world to restore saved registers.
7030
7031         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
7032         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
7033         (rs6000_reg_names): New entries added for save_world_operation and
7034         restore_world_operation.
7035
7036 2004-08-18  Caroline Tice  <ctice@apple.com>
7037
7038         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
7039         "-freorder-blocks-and-partition" to the flags used in second
7040         stage of profiledbootstrap.
7041         * bb-reorder.c (push_to_next_round_p): Add new variable,
7042         next_round_is_last; set and use variable to make sure, when
7043         partitioning, that the last trace construction round consists
7044         of all (and only) cold basic blocks.
7045         (rotate_loop): Don't copy blocks that end in a section
7046         crossing jump.
7047         (copy_bb): Correctly initialize "partition" of duplicated bb.
7048         (add_unlikely_executed_notes): Add a comment.
7049         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
7050         to make sure, if function contains hot blocks, that the
7051         successors of ENTRY_BLOCK_PTR are hot; also, only look for
7052         crossing edges if the architecture supports named sections.
7053         (mark_bb_for_unlikely_executed_section): Modify to always
7054         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
7055         the basic block note insn.
7056         (fix_crossing_unconditional_branches): Remove extra space.
7057         (fix_edges_for_rarely_executed_code): Modify to only do
7058         partitioning work if the architecture supports named sections.
7059         (reorder_basic_blocks): Modify to only add
7060         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
7061         supports named sections.
7062         * c-common.c (handle_section_attribute): Initialize new global
7063         variable, user_defined_section_attribute, to true if user has
7064         specified one.
7065         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
7066         forward edges that cross section boundaries.
7067         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
7068         partitioning information if the architecture supports named
7069         sections.
7070         * cfgrtl.c (target.h): Add statement to include this.
7071         (rtl_split_block): Make sure newly created bb gets correct
7072         partition.
7073         (try_redirect_by_replacing_jump): Make sure redirection isn't
7074         attempting to cross section boundaries.
7075         (force_nonfallthru_and_redirect): Only do partition fix up if
7076         architecture supports named sections.
7077         (rtl_split_edge): Make sure newly created bb ends up in
7078         correct partition.
7079         (commit_one_edge_insertion): Remove code that incorrectly
7080         updated basic block partition; Make sure partition fix up only
7081         happens if architecture supports named sections and it's not
7082         already done.
7083         (rtl_verify_flow_info_1): Fix if-condition on test/error
7084         condition that fallthru edges are not allowed to cross section
7085         boundaries.
7086         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
7087         * final.c (final_scan_insn): Remove redundant test from if-statement;
7088         change calls to text_section into calls to function_section; add code
7089         to only to partitioning fix up if architecture supports named
7090         sections.
7091         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
7092         partition.
7093         (if_convert): Add targetm.have_named_sections to test.
7094         * output.h (unlikely_section_label): Extern declaration for new global
7095         variable.
7096         (unlikely_text_section_name): Likewise.
7097         * opts.c (decode_options): If both partitioning and DWARF debugging
7098         are turned on, issue a warning that this doesn't work, and change
7099         partitiong to basic block reordering (without hot/cold partitions).
7100         * passes.c (rest_of_handle_final): Re-set new global variable,
7101         user_defined_section_attribute, to false.
7102         (rest_of_compilation): Change options for calling partitioning
7103         function: Don't call if the user defined the section attribute, and
7104         don't call if DECL_ONE_ONLY is true for the current function.
7105         * predict.c (choose_function_section): Return immediately if we
7106         are doing hot/cold partitioning (i.e. let the basic block partitioning
7107         determine where the function belongs).
7108         * reg-stack.c (emit_swap_insn): Add condition to step over
7109         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
7110         * toplev.c (user_defined_section_attribute): New global variable.
7111         * toplev.h (user_defined_section_attribute): Extern declaration
7112         for new global variable.
7113         * varasm.c (unlikely_section_label): New global variable.
7114         (unlikely_text_section_name): New global variable.
7115         (unlikely_text_section): Add code to initialize
7116         unlikely_text_section_name if necessary; modify to use
7117         unlikely_text_section_name and unlikely_section_label; also to use
7118         named_section properly.
7119         (in_unlikely_text_section):  Modify to work correctly with
7120         named_section and to use unlikely_text_section_name.
7121         (named_section):  Add code to work properly with cold section.
7122         (function_section): Clean up if-statement.
7123         * config/darwin.c (darwin_asm_named_section): Return to original
7124         code, removing use of SECTION_FORMAT_STRING.
7125         * config/arm/pe.h (switch_to_section):  Add case for
7126         in_unlikely_executed_text to switch statement.
7127         * config/i386/cygming.h (switch_to_section): Likewise.
7128         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
7129         (SECTION_FORMAT_STRING): Likewise.
7130         * config/mcore/mcore.h (switch_to_section): Likewise.
7131         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
7132         (SECTION_FORMAT_STRING): Remove.
7133
7134 2004-08-18  Roger Sayle  <roger@eyesopen.com>
7135
7136         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
7137         -ffixed-reg safe, by preserving the meanings of zero and one.
7138         (CALL_USED_REGISTERS): Likewise.
7139         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
7140
7141 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
7142
7143         * config/sh/sh.c (split_branches): Check the result of
7144         next_active_insn.
7145         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
7146         Call rtl_register_cfg_hooks.
7147
7148 2004-08-18  Richard Henderson  <rth@redhat.com>
7149
7150         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
7151         * alias.c (true_dependence): Update to match new semantics.
7152         (canon_true_dependence, write_dependence_p): Likewise.
7153         (anti_dependence, output_dependence): Update write_dependence_p args.
7154         (unchanging_anti_dependence): Remove.
7155         * calls.c (purge_mem_unchanging_flag): Remove.
7156         (fixup_tail_calls): Don't call it.
7157         (expand_call): Don't add unchanging memory to function usage.
7158         * expr.c (emit_block_move_via_libcall): Likewise.
7159         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
7160         (get_subtarget): Don't use RTX_UNCHANGING_P.
7161         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
7162         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
7163         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
7164         * cse.c (insert): Don't use RTX_UNCHANGING_P.
7165         (cse_insn, canon_hash): Use MEM_READONLY_P.
7166         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
7167         instead of RTX_UNCHANGING_P.
7168         * explow.c (maybe_set_unchanging): Remove.
7169         * expr.h (maybe_set_unchanging): Remove.
7170         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
7171         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
7172         (assign_parm_setup_reg, expand_function_start): Likewise.
7173         * integrate.c (copy_rtx_and_substitute): Likewise.
7174         * ra-rewrite.c (emit_colors): Likewise.
7175         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
7176         (fixup_match_1): Likewise.
7177         * reload1.c (reload, alter_reg): Likewise.
7178         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
7179         not RTX_UNCHANGING_P.
7180         (equiv_init_varies_p): Likewise.
7181         * loop-invariant.c (check_maybe_invariant): Likewise.
7182         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
7183         * loop.c (note_addr_stored): Likewise.
7184         (prescan_loop): Likewise. Don't check function usage for clobbered
7185         unchanging memory.
7186         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
7187         not RTX_UNCHANGING_P.
7188         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
7189         * varasm.c (force_const_mem): Likewise.
7190         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
7191         * web.c (entry_register): Likewise.
7192         * tree-gimple.h (get_base_address): Move decl ...
7193         * tree.h: ... here.
7194         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
7195
7196         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
7197         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
7198         (alpha_set_memflags): Update to match.
7199
7200         * config/darwin.c (machopic_indirect_data_reference): Set
7201         MEM_READONLY_P instead of RTX_UNCHANGING_P.
7202         (machopic_indirect_call_target): Likewise.
7203         (machopic_legitimize_pic_address): Likewise.
7204         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
7205         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
7206         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
7207         * config/frv/frv.md (symGOT2reg): Likewise.
7208         * config/i386/i386.c (legitimize_pic_address,
7209         legitimize_tls_address, ix86_split_to_parts): Likewise.
7210         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
7211         * config/ia64/ia64.md (load_fptr): Likewise.
7212         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
7213         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
7214         * config/mcore/mcore.c (block_move_sequence): Likewise.
7215         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
7216         * config/pa/pa.c (legitimize_pic_address): Likewise.
7217         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
7218         (rs6000_emit_move): Likewise.
7219         * config/s390/s390.c (legitimize_pic_address): Likewise.
7220         (legitimize_tls_address): Likewise.
7221         * config/s390/s390.md (casesi): Likewise.
7222         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
7223         * config/sh/sh.md (symGOT2reg): Likewise.
7224         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
7225         * config/v850/v850.md (casesi): Likewise.
7226
7227         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
7228         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
7229         * config/mips/mips.c (mips_restore_gp): Likewise.
7230         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
7231         * config/sh/sh.c (sh_reorg): Likewise.
7232
7233 2004-08-18  Richard Henderson  <rth@redhat.com>
7234
7235         * tree.h (struct tree_decl): Add gimple_formal_temp.
7236         (DECL_GIMPLE_FORMAL_TEMP_P): New.
7237         * gimplify.c (pop_gimplify_context): Clear it.
7238         (lookup_tmp_var): Set it, if is_formal.
7239         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
7240         Use is_gimple_val for VECTOR.  Simplify return value.
7241         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
7242         (gimplify_expr): Likewise.
7243         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
7244         is_gimple_tmp_rhs for clarity.  Update all callers.
7245         (is_gimple_reg_rhs): Simplify logic.
7246         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
7247         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
7248         (is_gimple_formal_tmp_reg): Similarly.
7249         * tree-gimple.h: Update decls.
7250         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
7251         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
7252         * tree-ssa-live.c (var_union, type_var_init): Likewise.
7253
7254 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
7255
7256         * c4x.c (legitimize_operands): Remove calls to
7257         preserve_subexpressions_p.
7258
7259 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
7260
7261         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
7262         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
7263
7264 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
7265
7266         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
7267         Objective-C++ extensions.
7268         * gengtype.c (get_file_basename): Match entire subdirectory name
7269         ('cp', 'objc', 'objcp') rather than just its suffix.
7270         (get_base_file_bitmap): Allow for files to belong to more than one
7271         language.
7272         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
7273         used by more than one front-end.
7274
7275 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
7276
7277         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
7278         avoid use of preserve_subexpressions_p.
7279
7280 2004-08-17  Richard Henderson  <rth@redhat.com>
7281
7282         PR 17051
7283         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
7284
7285 2004-08-17  DJ Delorie  <dj@redhat.com>
7286
7287         * doc/extend.texi: Document new xstormy16 attribute.
7288
7289         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
7290         (xstormy16_splittable_below100_or_register): New.
7291         (combine_bnp): New.
7292         (xstormy16_reorg): New.
7293         (TARGET_MACHINE_DEPENDENT_REORG): Define.
7294
7295         * config/stormy16/stormy16.md (movqi_internal): Make name public.
7296         (movhi_internal): Likewise.
7297         (cbhranchhi): Likewise.
7298         (cbhranchhi_neg): Likewise.
7299         (andhi3): Only allow splittable below100 operands.
7300         (iorhi3): Likewise.
7301         (peephole2): New and/zero_extend->and peephole.
7302         (peephole2): New load/ior/save->set1 peephole.
7303         (peephole2): New load/and/save->clr1 peephole.
7304         (bclrx, bclrx2, bclr7, bclr15): New.
7305         (bsetx, bsetx2, bset7, bset15): New.
7306
7307         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
7308         liberal about acceptable 'B' masks.
7309
7310         * config/stormy16/stormy16-protos.h
7311         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
7312         xstormy16_below100_operand, xstormy16_below100_or_register,
7313         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
7314         (PREDICATE_CODES): Add new predicates.
7315
7316         * config/stormy16/stormy16.c
7317         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
7318         xstormy16_below100_operand, xstormy16_below100_or_register,
7319         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
7320         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
7321         (xstormy16_legitimate_address_p): Allow below100 symbols.
7322         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
7323         (xstormy16_expand_move): Leave below100 operands as-is.
7324         (xstormy16_encode_section_info): Encode below100 symbols.
7325         (xstormy16_strip_name_encoding): New.
7326         (xstormy16_print_operand): Print 'b' as shift mask.
7327         (xstormy16_attribute_table): Add below100 attributes.
7328         (xstormy16_handle_below100_attribute): New.
7329
7330         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
7331         (XSTORMY16_SECTION_FUNCTION): New.
7332         (EXTRA_SECTION_FUNCTIONS): Define using the above.
7333         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
7334         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
7335         (ASM_OUTPUT_LABELREF): Define.
7336
7337         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
7338         (movhi_internal): Add below100 support.
7339         (andhi3): Add below100 support.
7340         (iorhi3): Add below100 support.
7341         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
7342
7343 2004-08-17  James E Wilson  <wilson@specifixinc.com>
7344
7345         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
7346         of VOIDmode for comparison code mode.
7347         * config/mips/mips.md: For conditional move patterns, use mode of
7348         first compare operand for comparison mode, instead of VOIDmode.
7349
7350         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
7351         normal and -ffast-math code.
7352
7353 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
7354
7355         PR c++/15871
7356         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
7357
7358 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
7359
7360         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
7361
7362 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
7363
7364         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
7365         for non Darwin targets.
7366         (*call_value_nonlocal_darwin64): Likewise.
7367
7368 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
7369
7370         * config/rs6000/rs6000.c (rs6000_function_value): Check for
7371         altivec mode for altivec return register.
7372
7373 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
7374
7375         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
7376         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
7377         * config/rs6000/rs6000.md: Include darwin.md.
7378         (builtin_setjmp_receiver): Add DImode case.
7379         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
7380         Darwin bits.
7381
7382 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
7383
7384         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
7385         trees.
7386         * tree-vectorizer.h: New File: Same.
7387         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
7388         * common.opt (ftree-vectorize): New flag to enable vectorization.
7389         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
7390         vectorization pass.
7391         * tree-data-ref.h (init_data_ref): Additional argument.
7392         (array_base_name_differ_p): Moved to tree-data-ref.c.
7393         * tree-data-ref.c (array_base_name_differ_p): Revised.
7394         (initialize_data_dependence_relation): Call array_base_name_differ_p
7395         with an extra argument.
7396         (analyze_all_data_dependences): Same.
7397         (init_data_ref): Additional argument is_read to set DR_IS_READ.
7398         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
7399         file.
7400         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
7401         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
7402         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
7403         vectorization pass.
7404         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
7405         (tree_ssa_loop_done): Call scev_finalize.
7406         (tree_vectorize): Define the new vectorization pass.
7407         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
7408         size of the vector they support (until support for multiple vector
7409         sizes is added to the vectorizer).
7410         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
7411         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
7412         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
7413         documentation.
7414
7415 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
7416
7417         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
7418         usage.
7419         (generate_protocol_list, handle_impent): Likewise.
7420
7421 2004-08-17  Roger Sayle  <roger@eyesopen.com>
7422
7423         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
7424         ensure that call_used_regs is a superset of both fixed_regs and
7425         call_really_used_regs.
7426
7427 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
7428
7429         PR target/17019
7430         * arm.md (addsi3_cbranch_scratch): Correct case labels.
7431
7432 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
7433
7434         PR middle-end/17036
7435         * fold-const.c (fold): Check for integer operand when
7436         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
7437         Pinski  <pinskia@physics.uc.edu>.
7438
7439 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
7440
7441         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
7442         No need to check if in a cross configuration.
7443         * configure: Regenerate.
7444
7445         * calls.c (precompute_register_parameters):
7446         Inline preserve_subexpressions_p ().
7447         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
7448         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
7449         Likewise.
7450         * expr.c (get_subtarget): Likewise.
7451         * rtl.h (preserve_subexpressions_p): Remove.
7452         * stmt.c (preserve_subexpressions_p): Remove.
7453
7454         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
7455         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
7456         Abort on gimplified cases.
7457
7458 2004-08-16  James E Wilson  <wilson@specifixinc.com>
7459
7460         * tree.h (VECTOR_FLOAT_TYPE_P): New.
7461         (FLOAT_TYPE_P): Use it.
7462         * c-typeck.c (build_binary_op): After convert calls, check for
7463         check for ERROR_MARK operands.
7464
7465 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
7466
7467         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
7468         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
7469         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
7470         (genobjs static pattern rule): Remove %.c dependency.
7471         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
7472         Rename rules; delete commands; fix dependencies.
7473         (mostlyclean): Do not delete temporary source copies.
7474         * configure.ac: Delete all references to BUILD_PREFIX and
7475         BUILD_PREFIX_1.
7476         * configure: Regenerate.
7477
7478         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
7479         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
7480         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
7481         with #ifndef GENERATOR_FILE so that nothing from those headers
7482         is used.
7483
7484         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
7485
7486 2004-08-16  Adam Nemet  <anemet@lnxw.com>
7487
7488         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
7489
7490 2004-08-16  Andrew Pinski  <apinski@apple.com>
7491
7492         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
7493         extraneous semicolon.
7494
7495 2004-08-16  Devang Patel  <dpatel@apple.com>
7496
7497         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
7498         * print-tree.c (print_node): Print DECL_PRESERVE_P.
7499         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
7500         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
7501         * target.h (struct gcc_target): New member, mark_decl_preserved.
7502         * hooks.c (hook_void_charptr): Rename to ...
7503         (hook_void_constcharptr): ... new name.
7504         * hooks.h (hook_void_charptr): Rename to ..
7505         (hook_void_constcharptr): ... new name.
7506         * tree.h (DECL_PRESERVE_P): New #define.
7507         (struct tree_decl): New member, preserve_flag.
7508         * varasm.c (assemble_start_function): Mark decl preserved.
7509         (assemble_variable): Same.
7510         * darwin.c (darwin_mark_decl_preserved): New function.
7511         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
7512         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
7513         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
7514
7515 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
7516
7517         * c-decl.c (grokdeclarator): Allow for function definition where
7518         innermost declarator has attributes.
7519
7520 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
7521
7522         * except.c (get_exception_filter, build_post_landing_pads,
7523         dw2_build_landing_pads): Use target-specific mode for 'filter'.
7524         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
7525         * target.h (eh_return_filter_mode): New field added.
7526         * targhooks.c (default_eh_return_filter_mode): Defined.
7527         * targhooks.h (default_eh_return_filter_mode): Declared.
7528         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
7529
7530 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
7531
7532         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
7533         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
7534         * configure: Regenerate.
7535
7536 2004-08-16  Stan Shebs  <shebs@apple.com>
7537
7538         Basic support for 64-bit Darwin.
7539         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
7540         (machopic_legitimize_pic_address): Similarly, plus use Pmode
7541         instead of SImode.
7542         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
7543         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
7544         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
7545         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
7546         (PROCESSOR_DEFAULT64): Define.
7547         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
7548         Darwin.
7549         * config/rs6000/rs6000.md: Include darwin.md.
7550         (builtin_setjmp_receiver): Add DImode case.
7551         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
7552         Darwin.
7553         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
7554         (rs6000_emit_move): Add DImode case to Darwin bits.
7555         (machopic_output_stub): Use .quad if 64-bit.
7556         * invoke.texi: Document -m32 and -m64.
7557
7558 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
7559
7560         * doc/extend.texi (AltiVec builtins): Document additional differences
7561         from the Motorola AltiVec PIM.
7562
7563 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
7564
7565         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
7566         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
7567         (struct tree_common): Update public_flag documentation.
7568
7569 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
7570
7571         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
7572         Check for artificial variables, not is_gimple_tmp_var.
7573         * tree-ssa-live.c (var_union): Likewise.
7574
7575 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
7576
7577         * calls.c (load_register_parameters): Remove spurious FIXME token.
7578
7579 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
7580
7581         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
7582         (c-lang.o): Depend on c-objc-common.h.
7583         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
7584         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
7585         * c-lang.c: Include c-objc-common.h.
7586         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
7587         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
7588         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
7589         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
7590         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
7591         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
7592         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
7593         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
7594         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
7595         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
7596         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
7597         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
7598         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
7599         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
7600         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
7601         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
7602         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
7603         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
7604         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
7605         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
7606         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
7607         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
7608         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
7609         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
7610         Move to c-objc-common.h.
7611         * c-objc-common.c: Include c-objc-common.h.
7612         * c-objc-common.h: New file.
7613
7614 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
7615             Andrew Pinski  <pinskia@physics.uc.edu>
7616
7617         PR target/14931
7618         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
7619         style.
7620
7621 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
7622
7623         * tree.h (build_int_cst): New.
7624         (build_int_2): Remove.
7625         * tree.c (build_int_2): Remove.
7626         (build_int_cst): New.
7627         (make_vector_type, build_common_tree_nodes,
7628         build_common_tree_nodes_2): Use build_int_cst.
7629         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
7630         expand_builtin_strpbrk, expand_builtin_fputs,
7631         build_string_literal, expand_builtin_printf,
7632         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
7633         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
7634         fold_builtin_isdigit, simplify_builtin_strstr,
7635         simplify_builtin_strpbrk, fold_builtin_fputs,
7636         simplify_builtin_sprintf): Use build_int_cst.
7637         * c-common.c (start_fname_decls, fix_string_type,
7638         c_common_nodes_and_builtins, c_init_attributes,
7639         shorten_compare): Likewise.
7640         * c-decl.c (complete_array_type,
7641         check_bitfield_type_and_width): Likewise.
7642         * c-lex.c (interpret_integer, lex_charconst): Likewise.
7643         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
7644         * c-pretty-print.c (pp_c_integer_constant): Likewise.
7645         * c-typeck.c (really_start_incremental_init, push_init_level,
7646         set_nonincremental_init_from_string): Likewise.
7647         * calls.c (load_register_parameters): Likewise.
7648         * convert.c (convert_to_pointer): Likewise.
7649         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
7650         build_fn_info_type, build_ctr_info_value, build_gcov_info):
7651         Likewise.
7652         * except.c (init_eh, assign_filter_values, assign_filter_values):
7653         Likewise.
7654         * expmed.c (store_fixed_bit_field, extract_bit_field,
7655         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
7656         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
7657         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
7658         * expr.c (convert_move, emit_group_load, emit_group_store,
7659         expand_assignment, store_constructor, store_field,
7660         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
7661         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
7662         invert_truthvalue, optimize_bit_field_compare,
7663         decode_field_reference, all_ones_mask_p, constant_boolean_node,
7664         fold_div_compare, fold, fold_read_from_constant_string,
7665         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
7666         * function.c (assign_parm_setup_block): Likewise.
7667         * stmt.c (shift_return_value, expand_end_case_type,
7668         estimate_case_costs): Likewise.
7669         * stor-layout.c (layout_type, initialize_sizetypes,
7670         set_min_and_max_values_for_integral_type): Likewise.
7671         * tree-chrec.c (chrec_fold_multiply_poly_poly,
7672         reset_evolution_in_loop): Likewise.
7673         * tree-chrec.h (build_polynomial_chrec): Likewise.
7674         * tree-complex.c (build_replicated_const): Likewise.
7675         * tree-eh.c (honor_protect_cleanup_actions,
7676         lower_try_finally_onedest, lower_try_finally_copy,
7677         lower_try_finally_switch): Likewise.
7678         * tree-mudflap.c (mf_build_string, mx_register_decls,
7679         mudflap_register_call, mudflap_enqueue_constant): Likewise.
7680         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
7681         * tree-pretty-print.c (dump_generic_node): Likewise.
7682         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
7683         Likewise.
7684         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
7685         * tree-ssa-loop-niter.c (number_of_iterations_cond,
7686         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
7687         Likewise.
7688
7689         * config/alpha/alpha.c (alpha_initialize_trampoline,
7690         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
7691         * config/arm/arm.c (arm_get_cookie_size): Likewise.
7692         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7693         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
7694         * config/i860/i860.c (i860_va_start): Likewise.
7695         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
7696         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
7697         mips_gimplify_va_arg_expr): Likewise.
7698         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7699         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
7700         add_compiler_branch_island): Likewise.
7701         * config/s390/s390.c (s390_va_start): Likewise.
7702         * config/sh/sh.c (sh_va_start): Likewise.
7703         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
7704         Likewise.
7705         * config/xtensa/xtensa.c (xtensa_va_start,
7706         xtensa_gimplify_va_arg_expr): Likewise.
7707
7708         * objc/objc-act.c (build_objc_string_object,
7709         build_objc_symtab_template, init_def_list, init_objc_symtab,
7710         init_module_descriptor, generate_static_references,
7711         build_selector_translation_table, get_proto_encoding,
7712         build_typed_selector_reference, build_selector_reference,
7713         build_next_objc_exception_stuff,
7714         build_method_prototype_list_template, generate_descriptor_table,
7715         generate_protocols, build_protocol_initializer,
7716         build_ivar_list_template, build_method_list_template,
7717         build_ivar_list_initializer, generate_ivars_list,
7718         generate_dispatch_table, generate_protocol_list,
7719         build_category_initializer, build_shared_structure_initializer,
7720         generate_shared_structures, handle_impent,
7721         generate_objc_image_info): Use build_int_cst.
7722
7723 2004-08-15  Ben Elliston  <bje@au.ibm.com>
7724
7725         * vec.h: Comment improvements.
7726
7727 2004-08-14  Roger Sayle  <roger@eyesopen.com>
7728
7729         * c-common.c (shorten_compare, pointer_int_sum,
7730         c_common_truthvalue_conversion, boolean_increment): Replace calls
7731         to build with calls to buildN.
7732         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
7733         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
7734         gimplify_switch_stmt): Likewise.
7735         * c-typeck.c (default_function_array_conversion,
7736         build_component_ref, build_array_ref, build_function_call,
7737         pointer_diff, build_unary_op, build_conditional_expr,
7738         build_compound_expr, build_modify_expr, c_finish_goto_label,
7739         c_finish_goto_ptr, c_finish_return, c_finish_loop,
7740         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
7741         build_binary_op): Likewise.
7742
7743 2004-08-15  Steven Bosscher  <stevenb@suse.de>
7744
7745         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
7746
7747 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7748
7749         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
7750         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
7751         * fixinc/fixincl.x: Rebuilt.
7752
7753 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
7754
7755         * config/mips/mips-protos.h (mips_symbolic_constant_p)
7756         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
7757         (mips_small_data_pattern_p): Declare.
7758         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
7759         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
7760         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
7761         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
7762         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
7763         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
7764         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
7765         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
7766         (pc_or_label_operand, call_insn_operand, move_operand)
7767         (consttable_operand, symbolic_operand, general_symbolic_operand)
7768         (global_got_operand, local_got_operand, stack_operand)
7769         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
7770         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
7771         (mips_small_data_pattern_p): Replace previous small_data_pattern
7772         predicate.  Turn into a bool () (rtx) function.
7773         * config/mips/predicates.md: New file.
7774         * config/mips/mips.md: Include it.  Use the target-independent
7775         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
7776         trap_comparison_operator and equality_op to equality_operator.
7777         Replace uses of small_int with the equivalent const_arith_operand.
7778         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
7779         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
7780         to fcc_reload_operand.
7781         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
7782
7783 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7784
7785         PR libstdc++/17005 partial fix.
7786         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
7787         except when generating ANSI/C89 code.
7788
7789 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
7790
7791         * c-common.c (shorten_compare): Use force_fit_type directly.
7792
7793 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
7794             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
7795             Dave Korn  <dk@artimi.com>
7796
7797         * doc/install.texi (Building): Avoid duplicate reference to GNU
7798         make requirement.
7799         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
7800
7801 2004-08-14  Richard Henderson  <rth@redhat.com>
7802
7803         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
7804         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
7805
7806 2004-08-13  Richard Henderson  <rth@redhat.com>
7807
7808         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
7809         for constant_call_address_operand.
7810         (call_value_pop_1, call_value_1): Likewise.
7811         (sibcall_value_1, call_value_1_rex64): Likewise.
7812
7813 2004-08-13  James E Wilson  <wilson@specifixinc.com>
7814
7815         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
7816         Correct mode from SFmode to DFmode.
7817
7818 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
7819
7820         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
7821         __cstring_object and __image_info sections with the no_dead_strip
7822         attribute.
7823
7824 2004-08-13  Roger Sayle  <roger@eyesopen.com>
7825             David Billinghurst  <David.Billinghurst@riotinto.com>
7826
7827         PR libgfortran/15930
7828         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
7829         * fixinc/fixincl.x: Regenerate.
7830         * fixinc/tests/base/internal/math_core.h: New file.
7831
7832 2004-08-13  Richard Henderson  <rth@redhat.com>
7833
7834         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
7835         (dbxout_function_end): Remove ifdefs for it.
7836         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
7837
7838 2004-08-13  Richard Henderson  <rth@redhat.com>
7839
7840         * Makefile.in (insn-preds.o): Depend on TREE_H.
7841         * genpreds.c (write_insn_preds_c): Include tree.h.
7842         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
7843         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
7844         const48_operand, and_operand, or_operand, mode_width_operand,
7845         mode_mask_operand, mul8_operand, const0_operand,
7846         hard_fp_register_operand, hard_int_register_operand,
7847         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
7848         samegp_function_operand, direct_call_operand, small_symbolic_operand,
7849         global_symbolic_operand, call_operand, symbolic_operand,
7850         dtp16_symbolic_operand, dtp32_symbolic_operand,
7851         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
7852         gottp_symbolic_operand, alpha_comparison_operator,
7853         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
7854         signed_comparison_operator, alpha_fp_comparison_operator,
7855         divmod_operator, fix_operator, aligned_memory_operand,
7856         unaligned_memory_operand, reg_or_unaligned_mem_operand,
7857         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
7858         reg_no_subreg_operand, addition_operation): Move to predicates.md.
7859         (reg_or_const_int_operand): Remove.  Replace all users with
7860         reg_or_cint_operand.
7861         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
7862         (resolve_reload_operand): Split out of aligned_memory_operand.
7863         * config/alpha/alpha-protos.h: Update for exports.
7864         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
7865         * config/alpha/alpha.md: Include predicates.md.
7866         * config/alpha/predicates.md: New file.
7867
7868 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
7869
7870         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
7871         fields with a pointer to the instruction definition.
7872         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
7873         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
7874         (write_attr_case, write_const_num_delay_slots): Update accordingly.
7875         (write_attr_case, write_const_num_delay_slots): Write the name of
7876         an insn next to its case statement.
7877         * genoutput.c (data): Add a filename field.
7878         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
7879         (output_insn_data): Print the location of each insn definition.
7880         * genrecog.c (write_action): Print the name of an insn above
7881         the statement that returns its code.
7882
7883 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
7884
7885         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
7886         * config/libgloss.h: Likewise.
7887         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
7888         * c4x/c4x-modes.def: Likewise.
7889         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
7890         (c4x_rptb_nop_p): Likewise.
7891         (c4x_rptb_valid_p): Likewise.
7892         (c4x_rptb_insert): Likewise.
7893         (c4x_address_conflict): Likewise.
7894         * config/c4x/c4x.md: Likewise.
7895         * config/frv/frv.md: Likewise.
7896         * config/i386/athlon.md: Likewise.
7897         * config/i386/i386.md: Likewise.
7898         * config/i386/predicates.md: Likewise.
7899         * config/ia64/ia64.c: Likewise.
7900         * config/ia64/itanium1.md: Likewise.
7901         * config/ia64/itanium2.md: Likewise.
7902         * config/iq2000/iq2000.md: Likewise.
7903         * config/mcore/mcore.c: Likewise.
7904         * config/mips/mips.c: Likewise.
7905         * config/mips/r3900.h: Likewise.
7906         * config/mips/sb1.md: Likewise.
7907         * config/pa/milli64.S: Likewise.
7908         * config/pa/pa.c: Likewise.
7909         * config/pa/pa.h: Likewise.
7910         * config/rs6000/8540.md: Likewise.
7911
7912 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
7913
7914         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
7915
7916 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
7917
7918         * sh.md (cbranch define_delay) Use cond_delay_slot for
7919         non-anulled condition too.
7920
7921 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
7922
7923         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
7924         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
7925         any_parallel_operand, lmw_operation, stmw_operation,
7926         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
7927         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
7928         any_parallel_operand.
7929         (return_and_restore_fpregs_{si,di}): Same.
7930
7931 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
7932
7933         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
7934         if pred->singleton != PARALLEL, issue a warning and pretend it was.
7935         Also issue a warning for any predicate we don't know about.
7936
7937 2004-08-12  Richard Henderson  <rth@redhat.com>
7938
7939         * config/i386/i386.c (internal_label_prefix): Export.
7940         (internal_label_prefix_len, struct ix86_address,
7941         ix86_decompose_address, maybe_get_pool_constant,
7942         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
7943         memory_address_length): Export.
7944         (any_fp_register_operand, fp_register_operand,
7945         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
7946         x86_64_general_operand, x86_64_szext_general_operand,
7947         x86_64_nonmemory_operand, x86_64_movabs_operand,
7948         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
7949         x86_64_zext_immediate_operand, const_int_1_31_operand,
7950         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
7951         tls_symbolic_operand, global_dynamic_symbolic_operand,
7952         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
7953         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
7954         constant_call_address_operand, const0_operand, const1_operand,
7955         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
7956         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
7957         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
7958         general_no_elim_operand, nonmemory_no_elim_operand,
7959         index_register_operand, q_regs_operand, flags_reg_operand,
7960         non_q_regs_operand, zero_extended_scalar_load_operand,
7961         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
7962         ix86_comparison_operator, ix86_carry_flag_operator,
7963         fcmov_comparison_operator, promotable_binary_operator,
7964         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
7965         mult_operator, div_operator, arith_or_logical_operator,
7966         memory_displacement_operand, cmpsi_operand, long_memory_operand,
7967         aligned_operand): Move to predicates.md as define_predicates.
7968         (tls_symbolic_operand_1): Remove.
7969         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
7970         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
7971         (legitimize_address): Merge tls_symbolic_operand contents.
7972         (ix86_expand_move): Likewise.
7973         * config/i386/i386-protos.h: Update for exports.
7974         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
7975         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
7976         * config/i386/i386.md: Include predicates.md.
7977         * config/i386/predicates.md: New file.
7978
7979 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
7980
7981         PR c++/16924
7982         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
7983         SYMBOL_REF_DECL.
7984         (i386_pe_mark_dllimport): Likewise.
7985         (i386_pe_encode_section_info): Likewise, when overriding
7986         dllimport attribute.
7987
7988 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
7989
7990         * configure.ac: When testing for flex, nm, ar, and bison, check
7991         that they will actually be built.
7992         * configure: Regenerate.
7993
7994 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
7995
7996         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
7997         (MOVE_MAX_PIECES): Define.
7998
7999 2004-08-12  Devang patel  <dpatel@apple.com>
8000
8001         * dbxout.c (dbxout_begin_prologue): New function.
8002         (dbx_debug_hooks): Use new begin prologue hook.
8003         (dbxout_function_end): Emit N_ENSYM.
8004         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
8005
8006 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
8007
8008         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
8009         argument is float*.
8010
8011         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
8012         for vec_dss.
8013
8014         * doc/extend.texi (AltiVec builtins): Fix description for recent
8015         changes.  Update operation list to match current support.
8016
8017 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8018
8019         * config/s390/s390.c (struct s390_frame_layout): New struct as element
8020         of struct machine_function.
8021         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
8022         changed all uses.
8023         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
8024         changed all uses.
8025         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
8026         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
8027         (s390_frame_area, s390_register_info): New functions.
8028         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
8029         for base register.
8030         (s390_return_addr_rtx, s390_return_address_offset)
8031         (s390_va_start, s390_gimplify_va_arg)
8032         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
8033         layouts.
8034         (s390_frame_info): Functionality partly moved to s390_register_info.
8035         Made adaptions for new stack layout.
8036         (save_gprs, restore_gprs): Changed meaning of second parameter and
8037         adapted all callers.
8038
8039         * config/s390/s390.h (s390_backchain_string): New global variable.
8040         (MASK_BACKCHAIN): Removed definition.
8041         (TARGET_BACKCHAIN): Changed check.
8042         (TARGET_KERNEL_BACKCHAIN): New macro.
8043         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
8044         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
8045         "kernel-backchain".
8046         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
8047
8048         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
8049         as condition.  Adjusted for new stack layout.
8050
8051         * doc/invoke.texi: Added documentation for new option
8052         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
8053         "-mno-backchain".
8054
8055 2004-08-12  Paul Brook  <paul@codesourcery.com>
8056
8057         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
8058         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
8059
8060 2004-08-12  David Daney  <ddaney@avtrex.com>
8061
8062         * java/gcj.texi:  Add subsection on signal usage.
8063
8064 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
8065
8066         * expr.c (move_by_pieces): Set alignment for move to minimum of
8067         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
8068         alignment, but not less than the original alignment.
8069         (move_by_pieces_ninsns): Same.
8070         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
8071         (store_by_pieces_1): Same.
8072
8073 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
8074
8075         PR tree-optimization/16867
8076         * tree.c (is_global_var): New function.
8077         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
8078         Call is_global_var.
8079         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
8080         Update all users.
8081         (is_global_var): Declare.
8082         * tree-dfa.c (dump_variable): Display global and addressable
8083         attributes.
8084         (add_referenced_var): Clarify documentation when marking
8085         variables call-clobbered.
8086         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
8087         instead of needs_to_live_in_memory.
8088         (mark_call_clobbered): If the variable is a tag, mark it
8089         DECL_EXTERNAL.
8090         * tree-gimple.c (is_gimple_reg): Don't check for
8091         TREE_ADDRESSABLE.
8092         (is_gimple_non_addressable): Likewise.
8093         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
8094         needs to be marked call-clobbered.
8095         (setup_pointers_and_addressables): Call is_global_var instead
8096         of needs_to_live_in_memory.
8097         * tree-ssa-dce.c (need_to_preserve_store): Remove.
8098         Update all users with is_global_var.
8099         (mark_stmt_if_obviously_necessary): Fix processing of aliased
8100         stores.  Don't check the virtual definitions.  Rather, check
8101         whether the store is going into global memory.
8102         (find_obviously_necessary_stmts): Get the symbol from the PHI
8103         result.
8104         * tree-ssa-operands.c (get_call_expr_operands): Do not add
8105         clobbering may-defs if the call does not have side effects.
8106
8107 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
8108
8109         PR c++/16276
8110         * output.h (default_function_rodata_section,
8111         default_no_function_rodata_section): New prototypes.
8112         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
8113         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
8114         (TARGET_ASM_OUT): Add it.
8115         * varasm.c (default_function_rodata_section,
8116         default_no_function_rodata_section): New functions.
8117         * final.c (final_scan_insn): Call
8118         targetm.asm_out.function_rodata_section instead of
8119         readonly_data_section.
8120         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
8121         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
8122         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
8123         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
8124         Likewise.
8125         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
8126         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
8127         Likewise.
8128         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
8129         Likewise.
8130         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
8131         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
8132         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
8133
8134 2004-08-12  Paul Brook  <paul@codesourcery.com>
8135
8136         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
8137         frame info.
8138         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
8139         DWARF2_UNWIND_INFO.
8140
8141 2004-08-12  Ben Elliston  <bje@au.ibm.com>
8142
8143         PR target/16286
8144         * config/rs6000/altivec.h: Change vector to __vector throughout.
8145         (Except for the `vector' macro itself).
8146
8147 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
8148
8149         * genpreds.c: Add capability to generate predicate bodies as
8150         well as function prototypes.  Write function prototypes for
8151         the generic predicates too.
8152         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
8153         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
8154         (write_match_code, write_predicate_expr, write_one_predicate_function)
8155         (parse_option): New functions.
8156         (output_predicate_decls): Delete.
8157         (main): Read the machine description, process DEFINE_PREDICATE or
8158         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
8159         as appropriate.
8160
8161         * genrecog.c (struct decision_test): Replace index with
8162         struct pred_data pointer.
8163         (next_index): Remove, unused.
8164         (pred_table, preds, special_mode_pred_table): Delete.
8165         (compute_predicate_codes, process_define_predicate): New functions.
8166         (validate_pattern, add_to_sequence, write_switch): Update for
8167         new data structures.
8168         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
8169         Check both error_count and have_error.
8170
8171         * gensupport.c (in_fname, first_predicate): New globals.
8172         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
8173         (predicate_table, last_predicate, old_pred_table)
8174         (old_special_pred_table): New statics.
8175         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
8176         (add_predicate, init_predicate_table): New functions.
8177         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
8178         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
8179         it or max_include_len.  Call init_predicate_table.
8180         (read_rtx): Run the predicate queue after the attribute queue
8181         but before all the others.
8182         * gensupport.h (in_fname, struct pred_data, first_predicate)
8183         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
8184         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
8185         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
8186         * dummy-conditions.c: Don't include bconfig.h, system.h,
8187         coretypes.h, tm.h, or system.h.  Do include stddef.h.
8188         Duplicate declaration of struct c_test from gensupport.h.
8189
8190         * Makefile.in (OBJS-common): Add insn-preds.o.
8191         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
8192         (insn-preds.c, insn-preds.o): New rules.
8193         (s-preds): Also generate insn-preds.c.
8194         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
8195         Update dependencies.
8196         (print-rtl.o, print-rtl1.o): Correct dependencies.
8197
8198         * recog.h: Delete prototypes of predicate functions.
8199
8200         * doc/md.texi (Predicates): New section with complete
8201         documentation of operand/operator predicates.  Remove some
8202         incomplete documentation of predicates from other places.
8203         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
8204         PREDICATE_CODES; indicate that both are deprecated in favor
8205         of define_predicate/define_special_predicate.
8206
8207         * config/ia64/ia64.c: All predicate function definitions moved
8208         to ia64.md, except
8209         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
8210         (ia64_expand_load_address, ia64_expand_move):
8211         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
8212
8213         * config/ia64/ia64.md: All predicates now defined here.
8214         (symbolic_operand): Is now a special predicate.
8215
8216         * config/ia64/ia64.h: Declare ia64_section_threshold.
8217         (PREDICATE_CODES): Delete.
8218
8219 2004-08-12  Richard Henderson  <rth@redhat.com>
8220
8221         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
8222         * c-semantics.c (add_stmt): Set it.
8223         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
8224         before instantiating a variable sized type.
8225
8226 2004-08-12  Richard Henderson  <rth@redhat.com>
8227
8228         * stor-layout.c (round_up, round_down): Move ...
8229         * fold-const.c (round_up, round_down): ... here.  Use
8230         multiple_of_p to avoid any arithmetic at all.
8231
8232 2004-08-12  Richard Henderson  <rth@redhat.com>
8233
8234         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
8235         (gimplify_init_ctor_preeval_1): New.
8236         (gimplify_init_ctor_preeval): New.
8237         (gimplify_init_ctor_eval): New.
8238         (gimplify_init_constructor): Use them.  Always gimplify the LHS
8239         object first.
8240
8241 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
8242
8243         (This patch is part of merge of objc-improvements-branch
8244         into mainline.)
8245
8246         * doc/frontends.texi: Mention Objective-C++ in addition to
8247         Objective-C.
8248         * doc/install.texi: Add 'obj-c++' to list of configurable
8249         languages.
8250         * doc/invoke.texi: Rename Objective-C option headings to
8251         indicate they also apply to Objective-C++.  List file
8252         extensions for Objective-C++ sources.  Mention that
8253         ObjC and ObjC++ compilations may also use C and C++ options,
8254         respectively.  Point users to doc/standards.texi for
8255         further info on ObjC and ObjC++.
8256         * doc/sourcebuild.texi: Mention the objcp/ directory and
8257         the Objective-C++ sources it contains.
8258         * doc/standards.texi: Update link to Apple ObjC site;
8259         add link to gcc readings.html WWW doc.
8260
8261 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
8262
8263         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
8264         and 2004-07-14 changes.
8265
8266 2004-08-12  Paul Brook  <paul@codesourcery.com>
8267
8268         * doc/invoke.texi: Fix typo.
8269
8270 2004-08-11 Devang Patel  <dpatel@apple.com>
8271
8272         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
8273         and -no_dead_strip_inits_and_terms.
8274         (LINK_SPEC): Same.
8275         * doc/invoke.texi (Darwin Options): Document -dead_strip and
8276         -no_dead_strip_inits_and_terms.
8277
8278 2004-08-11  Paul Brook  <paul@codesourcery.com>
8279
8280         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
8281         (arm_load_pic_register): ... to this.
8282         * config/arm/arm.c (arm_finalize_pic): Rename ...
8283         (arm_load_pic_register): ... to this.  Always output insns at the
8284         current location.  Load via low reg in thumb mode.
8285         (arm_expand_prologue): Call arm_load_pic_register.
8286         (thumb_expand_prologue): Ditto.
8287         * config/arm/arm.h (FINALIZE_PIC): Remove.
8288         * config/arm/arm.md (builtin_setjmp_receiver): Call
8289         arm_load_pic_register.
8290
8291 2004-08-11  Paul Brook  <paul@codesourcery.com>
8292
8293         * arm.c (thumb_force_lr_save): Add prototype.
8294         (thumb_compute_save_reg_mask): New function.
8295         (thumb_find_work_register): New function.
8296         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
8297         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
8298         Don't clobber r3 when removing pretend args.
8299         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
8300         (thumb_output_function_prologue): Use new functions.
8301         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
8302         * arm.h (THUMB_REG_PUSHED_P): Remove.
8303
8304 2004-08-11  James E Wilson  <wilson@specifixinc.com>
8305
8306         PR rtl-optimization/16490
8307         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
8308         global_live_at_end for new basic block if already set for other blocks.
8309
8310 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
8311
8312         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
8313
8314         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
8315         (mfcr rlwinm rlwinm patterns): Set length to 12.
8316
8317 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
8318
8319         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
8320         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
8321         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
8322         (start_ssa_stmt_operands): Delete.
8323         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
8324         struct stmt_operands_d.
8325         (build_ssa_operands): New extern entry point.
8326         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
8327         building code, replace with create_ssa_artficial_load_stmt().
8328         * tree-ssa-operands.c (struct voperands_d): Delete.
8329         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
8330         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
8331         (free_uses, free_defs, free_vuses, free_v_may_defs,
8332         free_v_must_defs): Remove dealloc parameter.
8333         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
8334         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
8335         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
8336         vector comparisons, ssa_name reuse, and allocations here.
8337         (verify_start_operands): Delete.
8338         (finalize_ssa_stmt_operands): Set new operands by calling finalize
8339         routines.
8340         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
8341         (append_def, append_usei): Simplify to simple accumulation.
8342         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
8343         duplicates and simple accumulation.
8344         (free_ssa_operands): Free vectors in a stmt_operand structure.
8345         (build_ssa_operands): New. Create a new stmt_operand structure from
8346         a stmt and an old set of stmt_operands.
8347         (get_stmt_operands): Simplify and call build_ssa_operands.
8348         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
8349         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
8350         add_call_read_ops): Don't pass prev_vops around anymore.
8351         (note_addressable): Return if no stmt annotation.
8352         (copy_virtual_operands): Access v_may_def operands through a struct.
8353         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
8354         hash tables without treating the stmt as a real stmt.
8355         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
8356         v_may_def def and use through a struct instead of 2 array elements.
8357         (struct v_may_def_optype_d): Use v_may_def_operand_type.
8358         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
8359
8360 2004-08-11  Nick Clifton  <nickc@redhat.com>
8361
8362         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
8363         this funciton's behaviour.  Return true when the current function
8364         has a section attribute and -mlong-calls is in effect.
8365         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
8366         short-call marker when -mlong-calls is in effect and the function
8367         has a section attribute.
8368
8369 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
8370
8371         * stmt.c (expand_return): If asked to return the RESULT_DECL,
8372         just call expand_value_return on result_rtl.
8373
8374 2004-08-10  Richard Henderson  <rth@redhat.com>
8375
8376         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
8377         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
8378         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
8379         (add_location_or_const_value_attribute): ... not here.  Use
8380         loc_descriptor_from_tree if possible.
8381         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
8382         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
8383         values specially.
8384         (loc_descriptor_from_tree): New.  Update callers.
8385         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
8386         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
8387         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
8388         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
8389         and BUILT_IN_STACK_RESTORE.
8390         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
8391         * stmt.c (expand_stack_alloc): Remove.
8392         * tree-mudflap.c (mx_register_decls): Don't look for
8393         BUILT_IN_STACK_ALLOC.
8394         * tree-nested.c (convert_local_reference): Likewise.
8395         * tree.h (DECL_VALUE_EXPR): New.
8396
8397 2004-08-10  Richard Henderson  <rth@redhat.com>
8398
8399         * stor-layout.c (round_up): Check for 0/1 before dividing.
8400         (round_down): Likewise.
8401
8402         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
8403
8404 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
8405
8406         * config.gcc (arm*-*-eabi*): New target.
8407         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
8408         (TARGET_LIB_INT_CMP_BIASED): Likewise.
8409         * expmed.c (expand_divmod): Try a two-valued divmod function as a
8410         last resort.
8411         * gthr.h: Remove bogus tokens at end of #pragma.
8412         * optabs.c (expand_twoval_binop_libfunc): New function.
8413         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
8414         (prepare_float_lib_cmp): Try reversing the condition.
8415         (debug_optab_libfuncs): New function.
8416         * optabs.h (expand_twoval_binop_libfunc): Declare.
8417         * config/arm/arm.c (arm_init_libfuncs): New function.
8418         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
8419         (TARGET_INIT_LIBFUNCS): Define it.
8420         * config/arm/arm.h (TARGET_BPABI): New macro.
8421         * config/arm/arm-protos.h
8422         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
8423         * config/arm/bpabi.S: New file.
8424         * config/arm/bpabi.c: Likewise.
8425         * config/arm/bpabi.h: Likewise.
8426         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
8427         (__aeabi_drsub): Likewise.
8428         (__aeabi_dsub): Likewise.
8429         (__aeabi_dadd): Likewise.
8430         (__aeabi_ui2d): Likewise.
8431         (__aeabi_i2d): Likewise.
8432         (__aeabi_f2d): Likewise.
8433         (__aeabi_dmul): Likewise.
8434         (__aeabi_ddiv): Likewise.
8435         (__aeabi_cdrcmple): Likewise.
8436         (__aeabi_cdcmpeq): Likewise.
8437         (__aeabi_cdcmple): Likewise.
8438         (__aeabi_dcmpeq): Likewise.
8439         (__aeabi_dcmplt): Likewise.
8440         (__aeabi_dcmple): Likewise.
8441         (__aeabi_dcmpge): Likewise.
8442         (__aeabi_dcmpgt): Likewise.
8443         (__aeabi_dcmpun): Likewise.
8444         (__aeabi_d2iz): Likewise.
8445         (__aeabi_d2uiz): Likewise.
8446         (__aeabi_d2f): Likewise.
8447         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
8448         (__aeabi_frsub): Likewise.
8449         (__aeabi_fsub): Likewise.
8450         (__aeabi_fadd): Likewise.
8451         (__aeabi_ui2f): Likewise.
8452         (__aeabi_i2f): Likewise.
8453         (__aeabi_fmul): Likewise.
8454         (__aeabi_fdiv): Likewise.
8455         (__aeabi_cfrcmple): Likewise.
8456         (__aeabi_cfcmpeq): Likewise.
8457         (__aeabi_cfcmple): Likewise.
8458         (__aeabi_fcmpeq): Likewise.
8459         (__aeabi_fcmplt): Likewise.
8460         (__aeabi_fcmple): Likewise.
8461         (__aeabi_fcmpge): Likewise.
8462         (__aeabi_fcmpgt): Likewise.
8463         (__aeabi_fcmpun): Likewise.
8464         (__aeabi_f2iz): Likewise.
8465         (__aeabi_f2uiz): Likewise.
8466         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
8467         (__aeabi_uidivmod): New function or alias.
8468         (__aeabi_idivmod): Likewise.
8469         (__aeabi_idiv0): Likewise.
8470         (__aeabi_ldiv0): Likewise.
8471         (__aeabi_llsr): Likewise.
8472         (__aeabi_lasr): Likewise.
8473         (__aeabi_llsl): Likewise.
8474         (bpabi.S): Include it.
8475         * config/arm/libgcc-bpabi.ver: New file.
8476         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
8477         (LINK_SPEC): Remove.
8478         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
8479         __aeabi_ulcmp.
8480         * config/arm/t-bpabi: New file.
8481         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
8482         (TARGET_LIB_INT_CMP_BIASED): Likewise.
8483
8484 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
8485
8486         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
8487         * config/rs6000/rs6000.md (clrmemsi): New pattern.
8488         * config/rs6000/rs6000.c (expand_block_clear): New function.
8489         (expand_block_move): Convert alignment to bits.  Use SImode and
8490         HImode for unaligned addresses if not STRICT_ALIGNMENT.
8491
8492 2004-08-10  Caroline Tice  <ctice@apple.com>
8493
8494         * varasm.c (unlikely_section_label): New global variable.
8495         (unlikely_text_section_name): New global variable.
8496         (text_section):  Remove alignment statement.
8497         (unlikely_text_section): Remove alignment statement; use
8498         unlikely_section_label rather than hard-coded string.
8499         (assemble_start_function): Initialize unlikely_section_label and
8500         unlikely_text_section_name;  make sure cold section is properly
8501         aligned at start of function; output unlikely_section_label if
8502         appropriate.
8503
8504 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
8505
8506         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
8507         * config/s390/s390.c (s390_canonicalize_comparison): New function.
8508         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
8509         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
8510         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
8511         ("*tmqi_mem"): Remove SUBREG from pattern.
8512         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
8513         ("*andsi3_cconly"): Likewise.
8514
8515 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8516
8517         PR target/16909
8518         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
8519
8520 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
8521
8522         * doc/sourcebuild.texi (compat testing): Document available test
8523         framework commands.  Use the preferred spelling of DejaGnu.
8524
8525 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
8526
8527         * lambda.h: Add matrix type, and prototypes for remainder of
8528         matrix and vector functions.
8529         (lambda_vector_mult_const): New function.
8530         (lambda_vector_negate): Ditto.
8531         (lambda_vector_add): Ditto.
8532         (lambda_vector_add_mc): Ditto.
8533         (lambda_vector_copy): Ditto.
8534         (lambda_vector_zerop): Ditto.
8535         (lambda_vector_equal): Ditto.
8536         (lambda_vector_min_nz): Ditto.
8537         (lambda_vector_first_nz): Ditto.
8538         (lambda_vector_matrix_mult): Ditto.
8539         * lambda-mat.c: New file.
8540         * Makefile.in (lambda-mat.o): New.
8541
8542 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
8543
8544         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
8545         after linking stmt into the program.
8546         (bsi_remove): Don't call modify_stmt.
8547         * tree-complex.c (update_complex_assignment,
8548         expand_complex_comparison): Call modify_stmt after changing the stmt.
8549         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
8550         removing the stmt.
8551         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
8552         the stmt, and only if needed.
8553         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
8554         expression.
8555         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
8556         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
8557         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
8558         (eliminate_redundant_computations): Don't pass an annotation. Call
8559         modify_stmt rather than setting the annotation directly.
8560         (record_equivalences_from_stmt): Remove unused local 'j'.
8561         (cprop_operand): Take a stmt rather than an annotation as a parameter.
8562         Call modify_stmt.
8563         (cprop_into_stmt): Pass stmt rather than annotation.
8564         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
8565         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
8566         modify_stmt.
8567         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
8568
8569 2004-08-10  Jason Merrill  <jason@redhat.com>
8570
8571         PR middle-end/16948
8572         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
8573         the RESULT_DECL.
8574
8575 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
8576
8577         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
8578         hash function.
8579
8580 2004-08-10  Roger Sayle  <roger@eyesopen.com>
8581
8582         * config/mips/mips.md: New reciprocal square root patterns that
8583         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
8584
8585 2004-08-10  Paul Brook  <paul@codesourcery.com>
8586
8587         * config/arm/arm-protos.h (arm_set_return_address,
8588         thumb_set_return_address): Add prototypes.
8589         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
8590         * config/arm/arm.c (arm_compute_func_type,
8591         use_return_insn, arm_compute_save_reg0_reg12_mask,
8592         arm_compute_save_reg_mask, arm_output_function_prologue,
8593         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
8594         current_function_calls_eh_return.
8595         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
8596         old eh code.
8597         (arm_set_return_address, thumb_set_return_address): New functions.
8598         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
8599         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
8600         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
8601         (epilogue): Use the stackadj register.
8602         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
8603
8604 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
8605
8606         PR target/3144
8607         * expr.c (move_by_pieces_ninsns): Add max_size argument.
8608         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
8609         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
8610         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
8611         but using MOVE_RATIO.
8612         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
8613         (can_store_by_pieces): Change max_size type to unsigned int.
8614         (store_by_pieces_1): Likewise.  Pass max_size to
8615         move_by_pieces_ninsns.
8616         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
8617         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
8618         to move_by_pieces_ninsns.
8619         (STORE_BY_PIECES_P): Define.
8620         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
8621         to move_by_pieces_ninsns.
8622         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
8623
8624         * config/i386/i386.h (CLEAR_RATIO): Define.
8625
8626 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8627
8628         * expr.c (expand_expr_real_1): Add back code that was not dead.
8629
8630 2004-08-09  Andrew Pinski  <apinski@apple.com>
8631
8632         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
8633         which is found to be compatible before returning the aliasing set.
8634
8635 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
8636
8637         * ggc-zone.c (struct alloc_zone): Add statistics counters.
8638         (always_collect): New flag.
8639         (ggc_alloc_zone_1): Update statistics support.  Don't include
8640         overhead in allocated counter.
8641         (sweep_pages): Update allocated counter for large pages.  Don'y
8642         include overhead.
8643         (ggc_collect_1): Always collect.
8644         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
8645         whether to collect.
8646         (SCALE, LABEL): New macros.
8647         (ggc_print_statistics): Add statistics support.
8648
8649 2004-08-09  Roger Sayle  <roger@eyesopen.com>
8650
8651         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
8652         (init_expmed): Fix potential overrun problem with "all.reg".
8653         (expand_sdiv2_pow2): Add an alternate implementation for signed
8654         division, if the target provides a suitable conditional move insn.
8655
8656 2004-08-09  Paul Brook  <paul@codesourcery.com>
8657         Richard Henderson  <rth@redhat.com>
8658
8659         * unwind-dw2.c (uw_install_context_1): Update target saved stack
8660         pointer.
8661
8662 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
8663
8664         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
8665         Check DATA limit only if there's no AS limit.  Ignore insanely
8666         low DATA limits.
8667         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
8668         but take care that the AS limit isn't overrun.
8669         * doc/invoke.texi: Update documentation of min-heapsize parameter.
8670
8671 2004-08-09  Jeff Law  <law@redhat.com>
8672
8673         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
8674         (tree-ssa-threadupdate.o): Add dependencies.
8675         * tree-ssa-threadupdate.c: New file.
8676         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
8677         (rewrite_vars_out_of_ssa): Remove prototype.
8678         (cleanup_tree_cfg): Returns a bool.
8679         * tree.h (thread_through_all_blocks): Prototype.
8680         * tree-outof-ssa.c  (SSANORM_*): Move into here.
8681         (remove_ssa_form): Now static.
8682         (rewrite_vars_out_of_ssa): Kill.
8683         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
8684         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
8685         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
8686         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
8687         anything was changed.
8688         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
8689         from the PHI's annotation rather than the edge associated with
8690         the new argument.
8691         * tree-ssa-dom.c (redirection_edges): Kill.
8692         (redirect_edges_and_update_ssa_graph): Kill.
8693         (tree_ssa_dominator_optimize): Do not reset forwardable flag
8694         for blocks anymore.  Do not initialize redirection_edges.
8695         Call thread_through_all_blocks.  Simplify code for cleanup
8696         of the CFG and iterating.  No longer call cleanup_tree_cfg
8697         outside the iteration loop.
8698         (thread_across_edge): No longer mess with forwardable blocks.
8699
8700 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
8701
8702         * explow.c (memory_address): Use memory_address_p.
8703         * recog.c (general_operand): Likewise.
8704         * regrename.c: No need to define REG_OK_STRICT.
8705
8706 2004-08-09  Steven Bosscher  <stevenb@suse.de>
8707
8708         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
8709         New timers.
8710         * gcse.c: Include timevar.h.
8711         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
8712         and global_copy_prop_count.
8713         (local_const_prop_count, local_copy_prop_count): New static globals.
8714         (gcse_main): Set the right timevar for each pass.
8715         (cprop_jump): Increment global_const_prop_count when a constant is
8716         propagated.  Add "GLOBAL" to dump output.
8717         (cprop_insn): Increment global_const_prop_count when a constant is
8718         propagated, or global_copy_prop_count when a copy is propagated.
8719         (do_local_cprop): Likewise for local_const_prop_count and
8720         local_copy_prop_count.
8721         (one_cprop_pass): Initialize const/cprop counters to zero.
8722         Print out results of local and global const/cprop separately.
8723         (bypass_block): Break over-length line.
8724         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
8725         for bb-reorder.o and tracer.o.
8726
8727 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8728
8729         * Makefile.in (GTFILES): Remove stmt.c
8730         (stmt.o): Do not depend on gt-stmt.h.
8731         * emit-rtl.c (emit_line_note): Do not call
8732         set_file_and_line_for_stmt.
8733         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
8734         do everything.
8735         * function.c (free_after_parsing): Do not free STMT field.
8736         (allocate_struct_function): Do not call init_stmt_for_function.
8737         (assign_stack_temp_for_type): Do not accept values of keep
8738         other than 0 or 1.
8739         (init_temp_slots): Do not initialize removed variables.
8740         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
8741         and X_VAR_TEMP_SLOT_LEVEL fields.
8742         * rtl.h (set_file_and_line_for_stmt): Remove.
8743         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
8744         struct stmt_status, cond_stack, case_stack, nesting_stack,
8745         nesting_depth, emit_locus, set_file_and_line_for_stmt,
8746         same_case_target_p, init_stmt_for_function, emit_nop,
8747         expand_start_cond, expand_start_elseif, expand_start_else,
8748         expand_elseif, expand_end_cond): Remove.
8749         (preserve_subexpressions_p): Remove references to CFUN->STMT.
8750         (expand_start_case, expand_end_case_type): Remove, merge into...
8751         (expand_case): ... this one, including other bits from
8752         expand_expr_real_1.  Inline same_case_target_p.  Turn members
8753         of CASE_STACK into local variables.
8754         (emit_case_bit_tests): Inline same_case_target_p.
8755         (add_case_node): Add HEAD argument, return new head of the list,
8756         do not handle default label here.
8757         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
8758         expand_start_elseif, current_nesting_level, expand_start_case,
8759         expand_end_case_type, expand_end_case, add_case_node,
8760         init_stmt_for_function, expand_elseif): Remove prototypes.
8761         (expand_case): Add prototype.
8762
8763 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8764
8765         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
8766
8767 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
8768
8769         * expr.c (var_rtx): Remove.
8770         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
8771         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
8772         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
8773         Abort.
8774         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
8775         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
8776         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
8777
8778 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
8779         Ayal Zaks <zaks@il.ibm.com>
8780
8781         * common.opt (freschedule-modulo-scheduled-loops): New flag.
8782         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
8783         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
8784         when -freschedule-modulo-scheduled-loops flag is not specified.
8785         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
8786         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
8787         More accurate placing of insn in row of partial schedule.
8788         (ps_insn_find_column): New function.
8789         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
8790         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
8791         (schedule_region): Use sched_is_disabled_for_current_region_p.
8792         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
8793
8794 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
8795
8796         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
8797         change.
8798
8799 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
8800
8801         * config/i386/i386.c (ix86_expand_clrmem): Properly call
8802         gen_strset for 64bit target.
8803
8804 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
8805
8806         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
8807
8808 2004-08-07  Jason Merrill  <jason@redhat.com>
8809
8810         Make return in memory explicit.
8811         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
8812         (assign_parm_find_data_types): Remove code for old front end
8813         invisible reference handling.
8814         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
8815         (expand_function_end): Likewise.
8816         * gimplify.c (gimplify_return_expr): Handle a dereferenced
8817         RESULT_DECL.
8818         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
8819         (declare_return_variable): Handle DECL_BY_REFERENCE.
8820         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
8821         (cp_genericize_r): Use convert_from_reference.
8822         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
8823         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
8824
8825         * c-common.c (c_warn_unused_result): Check TREE_USED before
8826         warning about a CALL_EXPR with an unused value.
8827
8828 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
8829
8830         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
8831         to the compiler.  Use -fshort-wchar by default.
8832
8833 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
8834
8835         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
8836         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
8837         threshhold.
8838         * doc/invoke.texi (param): Document min-crossjump-insns.
8839
8840 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
8841
8842         PR c/13282
8843         * c.opt (Wmissing-field-initializers): New option.
8844         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
8845         * c-typeck.c (pop_init_level): Guard the missing field warning with
8846         warn_missing_field_initializers rather than extra_warnings.
8847         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
8848         some of the explanation from...
8849         (-Wextra): ...here.  Say that the missing field warning can be
8850         seperately controlled by -Wmissing-field-initializers.
8851
8852 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
8853
8854         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
8855         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
8856         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
8857         * tree.def (ENTRY_VALUE_EXPR): Remove.
8858
8859 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
8860
8861         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
8862         the places where it is actually needed.  Don't use repz; stosb
8863         for -Os with sufficiently small constant sizes.
8864         For sufficiently small repz; stos{l,q} repeat counts use a sequence
8865         of stos{l,q} instructions instead.
8866
8867 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8868
8869         PR tree-optimization/16807
8870         * loop-iv.c (dump_iv_info): Dump invariants correctly.
8871         (iv_subreg, iv_extend): Express value of invariant purely in
8872         base field.
8873
8874 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
8875
8876         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
8877         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
8878
8879 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
8880
8881         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
8882         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
8883         pre_dec_operand.
8884         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
8885         pattern until reload is finished to allow better code generation
8886         and split them completely into separate instrunctions.
8887         (*andsi3_split): New pattern.
8888
8889 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
8890
8891         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
8892         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
8893         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8894         * tree.h (handle_dll_attribute): Declare.  Test
8895         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8896         * c-common.h (c_determine_visibility): Declare.
8897         * c-common.c (c_determine_visibility): New function.
8898         * c-decl.c (finish_decl): Use it.
8899         (finish_function): Likewise.
8900         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
8901         zero, by default.  Use #if, not #ifdef, to test it.
8902         * config/arm/arm.c (arm_attribute_table): Use
8903         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
8904         #if.
8905         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
8906         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8907         to 1.
8908         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
8909         * config/i386/i386.c (ix86_attribute_table): Use
8910         handle_dll_attribute for dllimport/dllexport.  Test
8911         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
8912         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
8913         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8914         it to 1.
8915         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
8916         with #if.
8917         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
8918         it to 1.
8919         * doc/extend.texi (dllexport): Clarify and correct documentation.
8920         (dllimport): Likewise.
8921         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
8922         handle_dll_attribute.
8923
8924 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8925
8926         * tree-ssa-loop-manip.c: New file.
8927         * Makefile.in (tree-ssa-loop-manip.o): Add.
8928         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
8929         Declare.
8930         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
8931         form.
8932         (tree_ssa_loop_done): Verify loop closed ssa form.
8933         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
8934
8935 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8936
8937         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
8938         pa_asm_output_aligned_local): New functions.
8939         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
8940         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
8941         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
8942         pa_asm_output_aligned_common.
8943         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8944         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
8945         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
8946         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8947         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
8948         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
8949         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
8950         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
8951         common data.
8952
8953 2004-08-05  Andrew Pinski  <apinski@apple.com>
8954
8955         * objc/objc-act.c (build_objc_string_object): Mark the address
8956         expression as constant.
8957
8958 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
8959
8960         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
8961         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
8962         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
8963
8964 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
8965
8966         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
8967         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
8968         out, and associated obsolete comments.
8969
8970 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
8971
8972         * tree.h (force_fit_type): Return a tree, take three flags.
8973         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
8974         TREE_CONSTANT_OVERFLOW here.
8975         (int_const_binop, const_binop): Adjust.
8976         (size_int_type): Do sign extension here.
8977         (fold_convert_const, optimize_bit_field_compare,
8978         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
8979         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
8980         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
8981
8982 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8983
8984         PR tree-optimization/16864
8985         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
8986         for ssa names without default_def.
8987
8988 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
8989
8990         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
8991         frame pointer, restore eax with an ebp-relative address.
8992
8993 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
8994
8995         PR 14516
8996         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
8997         * c-common.h (make_rtl_for_local_static): Delete.
8998         * c-decl.c (shadow_tag_warned): Clean up comment.
8999         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
9000         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
9001         * c-semantics.c (make_rtl_for_local_static): Delete.
9002         * expr.c (init_block_move_fn): Use set_user_assembler_name.
9003         (init_block_clear_fn): Likewise.
9004         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
9005         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
9006         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
9007         * tree.h (make_decl_rtl): Remove second parameter.
9008         (set_user_assembler_name): New.
9009         * varasm.c (set_user_assembler_name): New.
9010         (make_decl_rtl): Remove second parameter.  Update callers in many
9011         files.
9012
9013 2004-08-05  Adam Nemet  <anemet@lnxw.com>
9014
9015         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
9016         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
9017         to LynxOS 4.0.
9018         * gthr-lynx.h: New file.
9019         * config/lynx-ng.h: Remove file.
9020         * config/lynx.h: Update to LynxOS 4.0.
9021         * config/t-lynx: New file.
9022         * config/i386/lynx-ng.h: Remove file.
9023         * config/i386/lynx.h: Update to LynxOS 4.0.
9024         * config/rs6000/lynxbase.h: Remove file.
9025         * config/rs6000/lynx.h: Update to LynxOS 4.0.
9026         * config/rs6000/t-lynx: New file.
9027         * doc/install.texi (Options specification): Remove reference to
9028         LynxOS from systems where --with-gnu-as makes a difference.
9029
9030 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
9031
9032         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
9033         __UINTMAX_TYPE__.
9034         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
9035         __INTMAX_MAX__.
9036         (c_cpp_builtins): Call it.
9037         * doc/cpp.texi: Update.
9038
9039 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
9040
9041         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
9042         cost.
9043
9044 2004-08-04  Jan Hubicka  <jh@suse.cz>
9045
9046         * basic-block.h (profile_staus): New global variable.
9047         * cfg.c (profile_status): Declare.
9048         (check_bb_profile): Break out from ....; use profile_status
9049         (dump_flow_info): ... here.
9050         * cfgbuild.c (find_basic_blocks): Set profile_status.
9051         * cfgexpand.c (tree_expand_cfg): Likewise.
9052         * predict.c (estimate_probability): Likewise.
9053         * profile.c (branch_prob): Likewise.
9054         * tree-cfg.c (build_tree_cfg): Likewise.
9055         (dump_function_to_file): Use check_bb_profile.
9056         * tree-pretty-print (dump_bb_header): Likewise.
9057         * tree-profile.c (do_tree_profiling): Cleanup.
9058
9059 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
9060
9061         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
9062         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
9063         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
9064         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
9065         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
9066         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
9067         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
9068         (ggc-none.o, errors.o): Move rule to generators section;
9069         correct dependencies.
9070         (min-insn-modes.o): Move rule to generators section; remove
9071         unnecessary explicit command; correct dependencies.
9072         (print-rtl.o, print-rtl1.o): Correct dependencies.
9073         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
9074         (mostlyclean): Update.
9075
9076         * errors.c: Include bconfig.h not config.h.  Correct comment.
9077         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
9078         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
9079         * print-rtl.c: Don't include tm_p.h.
9080
9081         * rtl.h: Move forward-decl of struct function down where it's
9082         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
9083         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
9084
9085 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9086             Jeff Law  <law@redhat.com>
9087
9088         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
9089         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
9090         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
9091         manipulate the duplicated ssa names.
9092         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
9093         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
9094         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
9095         New functions.
9096         (release_ssa_name): Do not release ssa names that may have multiple
9097         definitions.
9098         * tree.h (release_ssa_name_force, mark_for_rewrite,
9099         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
9100         marked_ssa_names): Declare.
9101         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
9102         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
9103         Update call to rewrite_ssa_into_ssa.
9104
9105 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
9106
9107         * defaults.h (TARGET_DECLSPEC): New macro.
9108         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
9109         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
9110         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
9111         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
9112         __declspec support.
9113         (TARGET_DECLSPEC): Define.
9114         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
9115         __declspec support.
9116         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
9117         __declspec support.
9118         (TARGET_DECLSPEC): Define.
9119         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
9120         __declspec support.
9121         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
9122         support.
9123         * doc/tm.texi (TARGET_DECLSPEC): Document.
9124
9125         * doc/extend.texi: Fix typo in comment.
9126
9127 2004-08-04  Paul Brook  <paul@codesourcery.com>
9128
9129         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
9130         (TARGET_CXX): Use it.
9131         * target.h (struct gcc_target): Add cdtor_returns_this.
9132         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
9133         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
9134         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
9135
9136 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
9137
9138         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
9139         low/high pair. Do range checking directly.
9140         (interpret_integer): Adjust.
9141
9142 2004-08-04  Nick Clifton  <nickc@redhat.com>
9143
9144         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
9145         GCC ABI.
9146         * doc/invoke.texi: Document this new switch and also the -mrenesas
9147         switch.
9148
9149 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
9150
9151         * cfglayout.c (insn_locators_initialize): Update the current
9152         location before initializing a location.
9153
9154 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
9155
9156         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
9157         (dbxout_function_end): Return after emitting the "Lscope" symbol
9158         under the same conditions that this function formerly wasn't called.
9159         Add explanatory comments.
9160
9161         PR 14860
9162         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
9163         on the new decl.
9164
9165         PR 13956
9166         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
9167         functions, broken out of dbxout_block.
9168         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
9169         stabs too, if it contains symbols.  Use the begin_label and
9170         the Lscope label (emitted by dbxout_function_end) for the
9171         range of this block.
9172
9173 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
9174
9175         * doc/install.texi: Update autoconf version requirements.
9176
9177 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
9178
9179         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
9180         * recog.c (general_operand, immediate_operand, nonmemory_operand)
9181         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
9182         * regclass.c (record_reg_classes): Likewise.
9183         * reload.c (find_reloads): Likewise.
9184         * reload1.c (reload): Likewise.
9185
9186 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
9187
9188         * gensupport.c (init_md_reader_args_cb): Renamed from
9189         init_md_reader_args.  Add third option, callback function for
9190         parsing program-specific options.  Add diagnosis of incorrect
9191         number of input files.
9192         (init_md_reader): Fold into init_md_reader_args_cb.
9193         (init_md_reader_args): Now a thin wrapper around
9194         init_md_reader_args_cb.
9195         * gensupport.h: Update prototypes.
9196
9197         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9198         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9199         * genrecog.c: No need to diagnose lack of an input file;
9200         init_md_reader_args will handle it.
9201         * genconditions.c: Likewise, and use init_md_reader_args.
9202         * genconstants.c: Likewise, and no need to call read_md_rtx.
9203
9204 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
9205
9206         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
9207         declarations.
9208
9209 2004-08-03  Mike Stump  <mrs@apple.com>
9210
9211         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
9212         for frameworks.
9213         * doc/invoke.texi (Darwin Options): Update to reflect above.
9214
9215 2004-08-03  Roger Sayle  <roger@eyesopen.com>
9216
9217         PR middle-end/16790
9218         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
9219         truncations, not just global truncations.
9220
9221 2004-08-03  Andrew Pinski  <apinski@apple.com>
9222
9223         PR bootstrap/16865
9224         * loop-iv.c (simplify_using_assignment): Initialize lhs.
9225
9226 2004-08-03  Paul Brook  <paul@codesourcery.com>
9227
9228         * gcc/doc/install.texi: Document MPFR requirement.
9229
9230 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
9231
9232         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
9233         and mmap() explicitly instead of relying on preset autoconf cache
9234         variables.
9235         * configure: Regenerate.
9236
9237 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
9238
9239         PR target/16570
9240         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
9241         to tmake_file.
9242         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
9243         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
9244         to tmake_file.
9245
9246         * config/i386/t-gmm_malloc: New file.
9247         * config/i386/t-pmm_malloc: Likewise.
9248
9249         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
9250
9251 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
9252             Tanguy Fautrà <tfautre@pandora.be>
9253
9254         * config/i386/pmm_malloc.h: New file.
9255
9256 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
9257
9258         * config/i386/gmm_malloc.h: New file.
9259
9260 2004-08-03  Dale Johannesen  <dalej@apple.com>
9261
9262         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
9263         * c-common.c: Include opts.h.
9264         (c_common_get_alias_set): Fix check for a single input file.
9265         * toplev.c: Remove current_file_decl.
9266         * tree.h: Ditto.
9267
9268 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
9269
9270         * config.gcc (arm*-*-symbianelf*): New target.
9271         * config/arm/symbian.h: New file.
9272
9273         * gthr-gnat.c: Add visibility #pragmas.
9274         * gthr-gnat.h : Likewise.
9275         * gthr.h: Likewise.
9276         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
9277         (__ffsDI2): Likewise.
9278         (__clzSI2): Likewise.
9279         (__ctzSI2): Likewise.
9280         (__ctzDI2): Likewise.
9281         (__popcountSI2): Likewise.
9282         (__popcountDI2): Likewise.
9283         (__paritySI2): Likewise.
9284         (__parityDI2): Likewise.
9285         * libgcc2.h: Add visibility #pragmas.
9286         (__clzDI2): Add prototype.
9287         (__clzSI2): Likewise.
9288         (__ctzSI2): Likewise.
9289         (__ffsDI2): Likewise.
9290         (__ffsSI2): Likewise.
9291         (__ctzDI2): Likewise.
9292         (__popcountSI2): Likewise.
9293         (__popcountDI2): Likewise.
9294         (__paritySI2): Likewise.
9295         (__parityDI2): Likewise.
9296         * unwind-dw2-fde.h: Add visibility #pragmas.
9297         * unwind.h: Likewise.
9298
9299 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
9300             Dale Johannesen  <dalej@apple.com>
9301             Roger Sayle  <roger@eyesopen.com>
9302
9303         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
9304         constants more accurately.  Adjust costs for FMA instructions.
9305         Add cases for most logical and float operations.  Recurse into
9306         most operands.
9307
9308 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
9309
9310         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
9311
9312 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
9313
9314         * ra-build.c (conflicts_between_webs): For webs that cross a call add
9315         conflicts to regs_invalidated_by_call.
9316
9317 2004-08-03  Paul Brook  <paul@codesourcery.com>
9318
9319         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
9320
9321 2004-08-03  Jan Hubicka  <jh@suse.cz>
9322
9323         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
9324         ARRAY_REF argument.
9325
9326 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
9327
9328         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
9329         arm968es, arm10e, arm1020e, arm1022e.
9330         * invoke.texi: Update list of ARM cores.
9331         * arm-tune.md: Regenerate.
9332
9333 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
9334
9335         * arm/gentune.sh: New file.
9336         * arm/t-arm: New file.
9337         * arm/arm-tune.md: New file (autogenerated).
9338         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
9339         * arm.md (attribute tune): Delete.  Include arm-tune.md.
9340
9341 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
9342
9343         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
9344         penultimate parameter.  All callers adjusted.
9345         (struct prefix_list): Remove used_flag_ptr.
9346         (find_a_file): Do not set *pl->used_flag_ptr.
9347         (warn_B, warn_std_ptr): Remove.
9348
9349 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
9350             Mostafa Hagog <mustafa@il.ibm.com>
9351
9352         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
9353
9354 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
9355
9356         * dwarf2out.c (output_call_frame_info): Don't change data format
9357         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
9358         label.  Use 'true' not '1'.
9359         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
9360         required.
9361
9362 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9363
9364         * gdbinit.in: Reflect previous changes to rtunion_def.
9365
9366 2004-08-02  Roger Sayle  <roger@eyesopen.com>
9367
9368         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
9369         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
9370
9371 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9372
9373         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
9374         vec_p_reserve.
9375         * langhooks.h (lang_hooks::builtin_function): Rename parameter
9376         from "class" to "bt_class".
9377
9378 2004-08-02  Paul Brook  <paul@codesourcery.com>
9379
9380         PR rtl-optimization/15068
9381         * flow.c (init_propagate_block_info): Check condition is reversible.
9382
9383 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9384
9385         * gengtype.h (options::info): Change type to const char *.
9386         (enum gc_used_enum): Move out of struct type scope.
9387         * gengtype.c (create_option): Convert initializer for option::info to
9388         appropiate type.
9389         (adjust_field_type, walk_type, write_func_for_structure,
9390         write_root, write_roots): Remove pointless cast.
9391
9392 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
9393
9394         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
9395
9396 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9397
9398         * rtl.h (union rtunion_def): Have all members  start with the
9399         prefix "rt_".
9400         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
9401         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
9402         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
9403         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
9404         access.
9405         * gengtype.c (adjust_field_rtx_def): Likewise.
9406         * rtlanal.c (loc_mentioned_in_p): Likewise.
9407
9408 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
9409
9410         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
9411         Replace uses of mips/elf64.h with mips/elf.h
9412         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
9413         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
9414         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
9415         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
9416         (HANDLE_SYSV_PRAGMA): Delete.
9417         (ASM_OUTPUT_DEF): Fix formatting.
9418         * config/mips/elf64.h: Delete.
9419
9420 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
9421
9422         * config/ia64/ia64.c (got_symbolic_operand): Do require a
9423         symbol+offset operand to have its offset be zero mod 0x3fff
9424         when GOT entries are in use.  Clarify logic in SYMBOL_REF
9425         case.  Clarify comments.
9426         (ia64_expand_load_address): Split a symbol+offset load when
9427         the offset is nonzero mod 0x3fff, not 0x1fff.
9428
9429 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
9430
9431         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
9432         if trying to *store* to a non-offsettable address.
9433         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
9434         a nonoffsettable address.
9435         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
9436         Clean up.
9437         (movti_string): Don't move GPRs to a nonoffsettable address.
9438         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
9439
9440 2004-08-02  Ben Elliston  <bje@au.ibm.com>
9441
9442         PR target/16155
9443         * config/rs6000/altivec.h: Replace typeof with __typeof__.
9444
9445 2004-08-01  Richard Henderson  <rth@redhat.com>
9446
9447         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
9448         variable sized types.
9449
9450 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9451
9452         * doc/invoke.texi: In the MIPS options section, remove the passage
9453         saying that -mexplicit-relocs is usually disabled for -mabicalls
9454         -fno-unit-at-a-time.
9455         * config/mips/mips.c (override_options): Remove the code that enforced
9456         this rule.
9457
9458 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9459
9460         * config/mips/mips.md (cprestore): Provide two alternatives, one for
9461         an in-range offset and one for an out-of-range offset.  Wrap the latter
9462         in .set macro/.set nomacro if it's inside a .set nomacro block.
9463
9464 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
9465
9466         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
9467         (mips_restore_gp): Declare.
9468         * config/mips/mips.c (mips_add_offset): Add a scratch register
9469         argument.  Reimplement in rtl only, reusing MIPS16 logic from
9470         mips_output_mi_thunk.
9471         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
9472         to mips_add_offset.
9473         (mips_gp_save_slot): Delete.
9474         (mips_restore_gp): New function.
9475         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
9476         * config/mips/mips.md (exception_receiver): Turn into a
9477         define_insn_and_split.  Use mips_restore_gp to do the split.
9478         (call_internal, call_value_internal, call_value_multiple_internal): Use
9479         mips_restore_gp to restore $gp.
9480
9481 2004-07-31  Andrew Pinski  <apinski@apple.com>
9482
9483         PR other/16842
9484         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
9485
9486 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
9487
9488         * c-decl.c (diagnose_mismatched_decls): Give error for external
9489         redeclaration of identifier declared with no linkage, not just
9490         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
9491         error for redeclaration with no linkage.
9492
9493 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
9494             Fariborz Jahanian <fjahanian@apple.com>
9495
9496         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
9497         non-offsettable addresses even for DImode.
9498         (rs6000_split_multireg_move): Cope with non-offsettable addresses
9499         being moved into multiple GPRs.
9500
9501         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
9502         to 64.
9503         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
9504         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
9505         to 128.
9506         * config/rs6000/darwin-ldouble.c (isless): New macro.
9507         (inf): New macro.
9508         (nonfinite): New macro.
9509         (FPKINF): Delete.
9510         (_xlqadd): Completely rewrite.
9511         (_xlqmul): Correct overflow handling.
9512         (_xlqdiv): Correct overflow handling.
9513         * config/rs6000/darwin-ldouble-format: New file.
9514
9515 2004-07-30  Roger Sayle  <roger@eyesopen.com>
9516             Richard Henderson  <rth@redhat.com>
9517
9518         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
9519         9 into the equivalent lea instruction.
9520
9521 2004-07-30  Richard Henderson  <rth@redhat.com>
9522
9523         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
9524         with DECL_INITIAL if fb_lvalue.
9525         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
9526         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
9527         with <Cxxx>.
9528         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
9529
9530 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
9531
9532         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
9533         pointer escapes through a function call, assume that the
9534         callee will dereference it.
9535         (add_pointed_to_var): Assume that VALUE is always an
9536         ADDR_EXPR.
9537         (collect_points_to_info_r): Only call add_pointed_to_var if
9538         the value is an ADDR_EXPR.
9539
9540 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
9541
9542         * tree-ssa-alias.c (create_alias_map_for): Do not get the
9543         alias set of the inner type of ARRAY_TYPEs.
9544
9545 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9546
9547         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
9548         setting a non-register to UNDEFINED right before the call to
9549         set_lattice_value.
9550
9551 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
9552
9553         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
9554
9555 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9556
9557         * tree-ssa.c (verify_flow_sensitive_alias_info): When
9558         comparing points-to sets of different pointers, make sure the
9559         second pointer is actually referenced in the code.
9560
9561 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
9562
9563         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
9564         (got_symbolic_operand): Remove unreachable code.
9565         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
9566         setjmp_operand; add entry for tls_symbolic_operand.
9567         * config/ia64/ia64-protos.h: Remove all prototypes of
9568         predicate functions.
9569
9570 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
9571
9572         * c-common.h (lang_post_pch_load): New variable.
9573         * c-pch.c (lang_post_pch_load): Define it.
9574         (c_common_read_pch): Use it.
9575         * cgraphunit.c (record_call_1): Give the front end a chance to
9576         record additional needed entities when a variable is marked as
9577         needed.
9578         * tlink.c (recompile_files): Robustify.
9579         (scan_linker_output): If a symbol is assigned to a file,
9580         but after recompilation is not present there, issue an error
9581         message.
9582
9583 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9584
9585         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
9586         Take orig_loop argument and pass it to set_level.
9587         (schedule_sm): Pass the correct orig_loop to force_move_till.
9588
9589 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9590
9591         * cfgloop.c (update_latch_info): Update dominator of the new block.
9592         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
9593         info.
9594         * dominance.c (verify_dominators): Check that the dominance tree is
9595         connected.
9596         (recount_dominator): Ignore unreachable blocks.
9597         (iterate_fix_dominators): Cleanup old dominance information before
9598         recomputing it.
9599
9600 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
9601
9602         * tree-ssa-operands.c (get_expr_operands): Revert changes
9603         to ADDR_EXPR processing introduced by:
9604             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9605             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
9606
9607 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
9608
9609         * doc/implement-c.texi: Add C90 subclause references.  Point to
9610         preprocessor documentation instead of duplicating it.  Add points
9611         only present in C90.  Fill in documentation for all points.
9612
9613 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9614
9615         * pa.c (output_movb): Correct typo.
9616
9617 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
9618
9619         * ra.h (single_reg_in_regclass): Declare.
9620         * ra.c (single_reg_in_regclass): Define.
9621         (first_hard_reg): New.
9622         (init_ra): Initialize single_reg_in_regclass.
9623         * ra-colorize.c (ok_class): New.
9624         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
9625
9626 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
9627
9628         * gcov-io.h: Allow zero tag as EOF indicator.
9629         (gcov_is_eof): Remove.
9630         (gcov_truncate): Remove.
9631         * gcov-io.c (gcov_seek): Always SEEK_SET.
9632         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
9633         EOF tag.
9634         * coverage.c (read_counts_file): Don't use gcov_is_eof.
9635         * gcov-dump.c (dump_file): Likewise.
9636         * gcov.c (read_graph_file, read_count_file): Likewise.
9637
9638         * c-decl.c (complete_array_type): Don't gratuitously copy
9639         maxindex.  Check it always has a type.
9640
9641 2004-07-29  Steven Bosscher  <stevenb@suse.de>
9642
9643         * rtl.c (currently_expanding_to_rtl): New.
9644         * rtl.h (currently_expanding_to_rtl): Export it.
9645         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
9646
9647         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
9648         inliner hack.
9649         * config/sh/sh.c: Replace rtx_equal_function_value_matters
9650         with currently_expanding_to_rtl.
9651         * config/sh/sh.md: Likewise.
9652         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
9653
9654 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
9655
9656         Introduce sh2a support.
9657         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
9658         * config.gcc: Build multilibs for sh2a and sh2a-single by
9659         default.
9660         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
9661         default.  Split their tests out of the corresponding SH4
9662         multilibs.
9663         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
9664         multilibs for SH2a.
9665         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9666         * config.gcc: Handle sh2a multilibs and cpu selection.
9667         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
9668         * config/sh/t-mlib-sh2a: New.
9669         * config/sh/t-mlib-sh2a-nofpu: New.
9670         * config/sh/t-mlib-sh2a-single: New.
9671         * config/sh/t-mlib-sh2a-single-only: New.
9672         2004-07-09  Nick Clifton  <nickc@redhat.com>
9673         Issue 43400
9674         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
9675         -ml and -m2a are used together.
9676         2004-03-23  DJ Delorie  <dj@redhat.com>
9677         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
9678         when we have a double-sized FPU.
9679         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
9680         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
9681         is set.
9682         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
9683         -msh2a-single and -msh2a-single-only
9684         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
9685         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
9686         is set.
9687         2004-02-20  DJ Delorie  <dj@delorie.com>
9688         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
9689         2004-02-20  Fred Fish <fnf@redhat.com>,
9690         Corinna Vinschen <vinschen@redhat.com>
9691         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
9692         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
9693         2004-02-18  DJ Delorie  <dj@redhat.com>
9694         * config/sh/sh.c (broken_move): Add support for movi20.
9695         * config/sh/sh.h: Likewise.
9696         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
9697         * config/sh/sh.md (udivsi3_sh2a): New.
9698         (udivsi3): Call it.
9699         (divsi3_sh2a): New.
9700         (divsi3): Call it.
9701         (mul_r): New.
9702         (ashlsi3_sh2a): New.
9703         (ashrsi3_sh2a): New.
9704         (lshrsi3_sh2a): New.
9705         (movsi_i): Disable for sh2a.
9706         (movsi_ie): Add movi20.
9707         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
9708         sh2a, for -m2a-nofpu mode.
9709         2004-02-13  DJ Delorie  <dj@redhat.com>
9710         * config/sh/lib1funcs.asm: Handle double vs single better.
9711         * config/sh/sh.h: Likewise.
9712         2004-02-09  DJ Delorie  <dj@redhat.com>
9713         * config/sh/crt1.asm: Add support for sh2a.
9714         * config/sh/elf.h: Likewise.
9715         * config/sh/lib1funcs.asm: Likewise.
9716         * config/sh/sh.c: Likewise.
9717         * config/sh/sh.md: Likewise.
9718         * config/sh/sh.h: Likewise.
9719         * config/sh/t-sh: Likewise.
9720
9721 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9722
9723         * config/frv/frv.md (movqi_internal, movhi_internal,
9724         movsi_internal): Add backup alternatives for memory inputs.
9725
9726 2004-07-28  Matt Austern  <austern@apple.com>
9727
9728         * config/darwin.c (darwin_one_byte_bool): New global variable.
9729         * config/darwin.h (darwin_one_byte_bool): Declare.
9730         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
9731         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
9732         value of darwin_one_byte_bool.
9733         * doc/invoke.texi: Document -mone-byte-bool flag.
9734
9735 2004-07-28  Eric Christopher  <echristo@redhat.com>
9736
9737         * c-common.c (c_common_unsafe_for_reeval): Delete.
9738         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
9739         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
9740         * calls.c (fix_unsafe_tree): Delete.
9741         (expand_call): Delete code which used above.
9742         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
9743         * expr.c (expand_expr_real_1): Ditto.
9744         * fold-const.c (non_lvalue): Ditto.
9745         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
9746         (lhd_unsafe_for_reeval): Ditto.
9747         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
9748         * langhooks.h (unsafe_for_reeval): Ditto.
9749         (unsave_expr_now): Adjust comment.
9750         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
9751         (estimate_num_insns_1): Ditto.
9752         * tree-pretty-print.c (dump_generic_node): Ditto.
9753         * tree.c (expr_align): Ditto.
9754         (unsave_expr): Delete.
9755         (unsafe_for_reeval): Ditto.
9756         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
9757         * tree.def (UNSAVE_EXPR): Delete.
9758         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
9759
9760 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
9761
9762         * tree.h (enum tls_model): Move ...
9763         * coretypes.h: ... here.
9764
9765 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
9766
9767         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
9768
9769 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
9770
9771         * cse.c (validate_canon_reg): New function, split out from...
9772         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
9773
9774 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9775
9776         * tree-ssa-alias.c (maybe_create_global_var): Don't just
9777         return if .GLOBAL_VAR has been created.
9778
9779 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9780
9781         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
9782         every variable that may have aliases, not just tags.
9783
9784 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
9785
9786         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
9787         move_from_CR_eq_bit.
9788         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
9789
9790
9791         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
9792         e500_flip_eq_bit.
9793
9794         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
9795         output_e500_flip_eq_bit.
9796
9797         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
9798         output_e500_flip_eq_bit.
9799         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
9800         output_e500_flip_eq_bit.
9801         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
9802         (print_operand): case D.  Get to EQ bit.
9803
9804 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
9805
9806         * gcov.c (function_summary): Add missing \n.
9807
9808 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
9809
9810         Introduce sh4a support.
9811         * config.gcc: Handle sh4a multilibs and cpu selection.
9812         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
9813         * config/sh/t-mlib-sh4a: New.
9814         * config/sh/t-mlib-sh4al: New.
9815         * config/sh/t-mlib-sh4a-nofpu: New.
9816         * config/sh/t-mlib-sh4a-single: New.
9817         * config/sh/t-mlib-sh4a-single-only: New.
9818         2004-02-20  DJ Delorie  <dj@redhat.com>
9819         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
9820         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
9821         2003-08-22  Eric Christopher  <echristo@redhat.com>
9822         * config/sh/sh4a.md: Update for chip errata.
9823         2003-08-07  Eric Christopher  <echristo@redhat.com>
9824         * config/sh/sh4a.md: New file. sh4a processor description.
9825         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
9826         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
9827         of -m4a-nofpu.
9828         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
9829         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
9830         * doc/invoke.texi (SH Options): Document -m4al.
9831         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
9832         * config/sh/sh.c (expand_block_move): Remove commented-out code
9833         checked in by mistake.
9834         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
9835         single elements from SFmode vectors.
9836         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
9837         register.
9838         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
9839         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
9840         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
9841         sh_fsca_int2sf): Remove variable declarations.
9842         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
9843         sh_fsca_int2sf): New functions.
9844         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
9845         sh_fsca_int2sf_rtx): New static variables.
9846         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
9847         sh_fsca_int2sf): Declare.
9848         * config/sh/sh.md: Adjust.
9849         * doc/invoke.texi (SH Options): Document new options.
9850         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
9851         compatibility from SH4 code.
9852         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
9853         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
9854         early.
9855         (memory_movsrc_operand): Renamed to...
9856         (unaligned_load_operand): ... this.  Simplified.
9857         * config/sh/sh.h (PREDICATE_CODES): Adjust.
9858         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
9859         input operand to SImode, and adjust the others.  Introduce
9860         post-increment by peephole.
9861         * config/sh/sh.c (expand_block_move): Give the target address the
9862         same mode as the temp reg.
9863         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
9864         copying.
9865         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
9866         Introduce support for SH4a.
9867         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
9868         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
9869         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
9870         sh_fsca_int2sf): New.
9871         (sh_init_builtins): Initialize them.
9872         (print_operand): Support `d'.
9873         (expand_block_move): Use movua if src is misaligned.
9874         (memory_movsrc_operand): New.
9875         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
9876         and one of the SH4 macros.
9877         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
9878         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
9879         SELECT_SH4A_SINGLE): New.
9880         (TARGET_NONE): Add SH4A_BIT.
9881         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
9882         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
9883         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
9884         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
9885         (enum processor_type): Added PROCESSOR_SH4A.
9886         (PREDICATE_CODES): Add memory_movsrc_operand.
9887         * config/sh/sh.md: Removed unused variables.
9888         (attr cpu): Add sh4a.
9889         (attr type): Add movua, fsrra and fsca.
9890         (prefetch): New, for SH4.
9891         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
9892         (toggle_sz): Set type to fp.
9893         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
9894         (movua, extv, extzv): New.
9895         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
9896         and 4a-single-only.
9897
9898 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9899
9900         * tree-optimize.c (init_tree_optimization_passes): Schedule
9901         pass_may_alias right after the program is renamed into SSA.
9902         * tree-pass.h (PROP_alias): Define.
9903         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
9904         * tree-sra.c (pass_sra): Likewise.
9905         * tree-ssa-ccp.c (pass_ccp): Likewise.
9906         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
9907         * tree-ssa-dce.c (pass_dce): Likewise.
9908         * tree-ssa-dom.c (pass_dominator): Likewise.
9909         * tree-ssa-dse.c (pass_dse): Likewise.
9910         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9911         * tree-ssa-loop-ch.c (pass_ch): Likewise.
9912         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
9913         * tree-ssa-pre.c (pass_pre): Likewise.
9914         * tree-tailcall.c (pass_tail_recursion): Likewise.
9915         * tree-ssa.c (pass_redundant_phi): Likewise.
9916         * tree-ssa-alias.c (aliases_computed_p): Remove.
9917         Update all users.
9918         (init_alias_info): Do not mark all type tags for renaming
9919         unconditionally.
9920         Clear may_aliases from every symbol.
9921         (setup_pointers_and_addressables): If a pointer has not been
9922         dereferenced and it had a type tag, clear it and mark the old
9923         tag for renaming.
9924
9925 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
9926
9927         PR tree-optimization/16705
9928         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
9929         .GLOBAL_VAR.
9930
9931 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
9932
9933         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
9934         check.
9935
9936         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
9937         don't make another one.
9938
9939         PR optimization/15077
9940         * function.h (struct function): Add field saved_static_chain_decl.
9941         Fix comment for static_chain_decl.
9942         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
9943         * tree-inline.h (save_body): Add new arg.
9944         * tree-optimize.c (tree_rest_of_compilation): Handle saving
9945         static_chain_decl.
9946
9947 2004-07-27  Richard Henderson  <rth@redhat.com>
9948
9949         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
9950         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
9951         is_gimple_addressable.
9952         * tree-gimple.c (is_gimple_addressable): Rename from
9953         is_gimple_addr_expr_arg; accept INDIRECT_REF.
9954         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
9955         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
9956         rename to is_gimple_addressable.
9957
9958 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
9959
9960         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
9961
9962 2004-07-27  Richard Henderson  <rth@redhat.com>
9963
9964         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
9965         before rounding.
9966
9967 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
9968
9969         * libgcc2.c: Change all conditionals testing
9970         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
9971         * libgcc2.h: Likewise.
9972         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
9973         TYPE_PRECISION of float80_type to 80.
9974         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
9975         of fpreg_type and float80_type to 80.
9976         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
9977         * config/m68k/netbsd-elf.h:
9978         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
9979         to evaluate to 80 whenever they would formerly have evaluated to 96.
9980         * config/i386/sco5.h: Remove unnecessary redefinition of
9981         LONG_DOUBLE_TYPE_SIZE.
9982         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
9983         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
9984         XFmode, with a bitsize of 80.  Update commentary.
9985         * config/ia64/ia64-modes.def: Likewise.
9986         * config/m68k/m68k-modes.def: Likewise.
9987
9988 2004-07-27  Steven Bosscher  <stevenb@suse.de>
9989
9990         * cfgexpand.c (tree_expand_cfg): Fix comment.
9991
9992         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
9993         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
9994         Remove.
9995         (prepare_function_start): Don't set rtx_equal_function_value_matters.
9996         * integrate.c (copy_rtx_and_substitute): Don't test for it.
9997         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
9998         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
9999         here again.  Update leading comment.
10000         * rtl.c (rtx_equal_function_value_matters): Remove.
10001         (rtx_equal_p): Don't test for it.
10002         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
10003         Likewise.
10004
10005         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
10006         * rtl.c (note_insn_name): Likewise.
10007         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
10008         * final.c (final_scan_insn): Likewise.
10009
10010         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
10011         * passes.c (rest_of_handle_eh): Do it here.
10012
10013         * stmt.c (struct nesting): Remove struct nesting block member.
10014         (struct stmt_status): Remove x_block_start_count field.
10015         (current_block_start_count): Remove.
10016
10017 2004-07-27  Brian Booth  <bbooth@redhat.com>
10018
10019         * tree-optimize.c (register_one_dump_file): Update condition that uses
10020         static_pass_number.
10021         (dup_pass_1): Replace with...
10022         (next_pass_1): This.
10023         (NEXT_PASS): Call next_pass_1.
10024         (DUP_PASS): Remove.
10025         (init_tree_optimization_passes): Remove uses of DUP_PASS.
10026         (execute_one_pass): Update condition that uses
10027         static_pass_number.
10028         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
10029         integer.
10030
10031 2004-07-27  Nick Clifton  <nickc@redhat.com>
10032
10033         * config/m32r/m32r.c: Include integrate.h in order to get the
10034         prototype for get_hard_reg_initial_val().
10035
10036         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
10037         and tidy up indentation.
10038         (final_presence_set): Use absence_set instead, so that if there is
10039         nothing in the "o" pipe the "s" pipe can be scheduled.
10040
10041 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
10042
10043         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
10044         don't have PT_VARS nor PT_MALLOC set.
10045         Clear name tag from pointers that have not been dereferenced.
10046         (set_pt_anything, set_pt_malloc): Forward declare.
10047         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
10048         not type compatibility when determining if a pointer can be
10049         copy propagated.
10050
10051 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
10052
10053         * expr.h (canonicalize_condition, get_condition): Add an int argument.
10054         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
10055         it to check whether the condition is still valid at the jump insn.
10056         * ifcvt.c (noce_get_condition): Likewise.
10057         (noce_get_alt_condition): Update call to canonicalize_condition.
10058         * loop-iv.c (simplify_using_initial_values): Update call to
10059         get_condition.  Remove FIXME.
10060         (check_simple_exit): Update call to get_condition.
10061         * loop-unswitch.c (may_unswitch_on): Likewise.
10062         * loop.c (check_dbra_loop): Likewise.
10063         (canonicalize_condition, get_condition): Add an argument to say whether
10064         the condition must still be valid at INSN.
10065         (get_condition_for_loop): Update call to get_condition.  Require that
10066         the condition be valid at INSN.
10067         * predict.c (estimate_probability): Update call to get_condition.
10068         Remove unused earliest parameter.
10069         (expected_value_to_br_prob): Update call to canonicalize_condition.
10070
10071 2004-07-26  Eric Christopher  <echristo@redhat.com>
10072
10073         * tree-dfa.c (add_referenced_var): Register initializers of global
10074         variables.
10075
10076 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
10077
10078         * config/i386/i386.c (function_arg): Always treat 8-
10079         and 16-byte wide vectors the same, even if MMX/SSE
10080         are disabled.
10081         (contains_128bit_aligned_vector_p): Add comment.
10082
10083 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
10084
10085         * ra.h (enum node_type): Rename to:
10086         (enum ra_node_type).
10087         * ra-colorize.c: Likewise.
10088
10089 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
10090
10091         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
10092         after simplifying the jump.
10093
10094 2004-06-26  Richard Henderson  <rth@redhat.com>
10095
10096         * calls.c (combine_pending_stack_adjustment_and_call): Make
10097         preferred_unit_stack_boundary argument unsigned.  Make
10098         unadjusted_alignment unsigned.
10099         (expand_call): Make preferred_stack_boundary and
10100         preferred_unit_stack_boundary variables unsigned.
10101         * function.c (assign_stack_local_1): Make alignment unsigned.
10102         * function.h (struct function): Make stack_alignment_needed,
10103         preferred_stack_boundary unsigned.
10104         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
10105         (ix86_compute_frame_layout): Make stack_alignment_needed,
10106         preferred_alignment variables unsigned.
10107         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
10108
10109 2004-07-26  Tom Tromey  <tromey@redhat.com>
10110
10111         * tree.h: Fix typo in comment.
10112
10113 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
10114
10115         PR bootstrap/12804
10116         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
10117         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
10118         (ggc_free): Remove incorrect freeing.
10119         (sweep_pages): Advance PP for large pages.  Fix indentation.
10120
10121 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
10122
10123         PR rtl-optimization/16643
10124         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
10125         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
10126         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
10127         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
10128         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
10129         * function.c (thread_prologue_and_epilogue_insns): Likewise.
10130         * rtl.h (tracer): Add a flags parameter.
10131         * tracer.c (tracer): Pass it to cfg_layout_initialise.
10132         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
10133         (rest_of_handle_reorder_blocks): Update calls to tracer and
10134         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
10135         (rest_of_handle_tracer): Pass 0 to tracer.
10136         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
10137
10138 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
10139
10140         PR target/16239
10141         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
10142         f->f.
10143
10144 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
10145
10146         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
10147         (BINFO_BASE_ACCESS): Adjust.
10148         (BINFO_BASE_ACCESS_APPEND): New.
10149         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
10150         * dbxout.c (dbxout_type): Adjust binfo access accessing.
10151         * dwarf2out.c (gen_member_die): Likewise.
10152         * tree-dump.c (deque_and_dump): Likewise.
10153
10154 2004-07-26  Falk Hueffner  <falk@debian.org>
10155
10156         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
10157         costs.
10158
10159 2004-07-25  Roger Sayle  <roger@eyesopen.com>
10160
10161         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
10162         value off of the stack if TARGET_USE_FFREEP.
10163
10164 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
10165
10166         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
10167         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
10168         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
10169         check on invocation of XRESIZEVEC ().
10170
10171 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
10172
10173         * c-common.c (disable_builtin_function): Rename variable n to
10174         new_disabled_builtin.
10175         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
10176         Rename local variable old to old_decl.
10177         * gensupport.c (shift_output_template): Rename parameter old to src.
10178         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
10179         old_rtx and newx to new_rtx.
10180
10181 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
10182
10183         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
10184         of c-pragma.h.
10185         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
10186         enum cpp_ttype.
10187         * c-lex.c: Likewise.
10188
10189 2004-07-25  Roger Sayle  <roger@eyesopen.com>
10190
10191         * fold-const.c (constant_boolean_node): Make extern.
10192         (make_range): Wrap long lines.
10193         (fold_cond_expr_with_comparison): Remove unnecessary call to
10194         pedantic_non_lvalue.  Add missing calls to fold_convert.
10195         (fold_truthop): Add missing calls to fold_convert.
10196         (fold): Likewise.
10197         * tree.h (constant_boolean_node): Add prototype here.
10198         * builtins.c (expand_builtin_strncmp): Add missing calls to
10199         fold_convert.
10200         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
10201         Call fold_convert and constant_boolean_node to correct types.
10202         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
10203         missing call to fold_convert to correct types.
10204
10205 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
10206             Brian Ryner  <bryner@brianryner.com>
10207
10208         PR c++/9283
10209         PR c++/15000
10210         * c-common.c (c_common_attribute_table): Allow
10211         handle_visibility_attribute to be called for types.
10212         (handle_visibility_attribute) When given a type, set the visibility
10213         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
10214         so that we can check later whether the attribute was present. Added
10215         warning if attribute applied to non class type.
10216         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
10217         decls and checking that they are consistent.
10218         * common.opt: Added -fvisibility.
10219         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
10220         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
10221         * flags.h, tree.h: Added assorted support defines for overall patch
10222         * opts.c: Added parsing support for -fvisibility.
10223         * tree.c (build_decl): Set visibility for all decls to be whatever
10224         is in force at that time.
10225         * varasm.c (default_binds_local_p_1): Reworked logic determining
10226         when to make a symbol locally bound.
10227         * doc/invoke.texi: Added documentation for -fvisibility and
10228         -fvisibility-inlines-hidden.
10229
10230 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10231
10232         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
10233         * c-common.c: Add missing casts from void * to other types.
10234         * c-decl.c: Likewise.
10235         * c-format.c: Likewise.
10236         * c-lex.c: Likewise.
10237         * c-pragma.c: Likewise.
10238         * c-typeck.c: Likewise.
10239         * defaults.h: Likewise.
10240         * genconstants.c: Likewise.
10241         * gengtype-lex.l: Likewise.
10242         * genmodes.c: Likewise.
10243         * read-rtl.c: Likewise.
10244         * rtl.c: Likewise.
10245
10246 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10247
10248         * bitmap.c: Use type-safe memory allocation macros from libiberty.
10249         * c-common.c: Likewise.
10250         * c-decl.c: Likewise.
10251         * c-lang.c: Likewise.
10252         * c-lex.c: Likewise.
10253         * c-opts.c: Likewise.
10254         * c-parse.in: Likewise.
10255         * c-typeck.c: Likewise.
10256         * genconditions.c: Likewise.
10257         * gengtype-lex.l: Likewise.
10258         * gengtype-yacc.y: Likewise.
10259         * gengtype.c: Likewise.
10260         * genmodes.c: Likewise.
10261         * gensupport.c: Likewise.
10262         * read-rtl.c: Likewise.
10263         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
10264         htab_find_slot().
10265
10266 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10267
10268         * c-decl.c (groktypename, groktypename_in_param_context): Rename
10269         variable typename to type_name.
10270         * c-lex.c (interpret_float): Likewise.
10271
10272 2004-07-25  Roger Sayle  <roger@eyesopen.com>
10273
10274         * convert.c (convert_to_real, convert_to_integer,
10275         convert_to_complex): Replace calls to build with calls to buildN.
10276         * coverage.c (tree_coverage_counter_ref): Likewise.
10277         * dojump.c (do_jump): Likewise.
10278         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
10279         * emit-rtl.c (component_ref_for_mem_expr,
10280         set_mem_attributes_minus_bitpos): Likewise.
10281         * explow.c (update_nonlocal_goto_save_area): Likewise.
10282         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
10283         expand_mult_add): Likewise.
10284         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
10285         store_constructor, get_inner_reference, expand_expr_real_1,
10286         try_casesi, try_tablejump): Likewise.
10287         * function.c (expand_function_start): Likewise.
10288         * stmt.c (emit_case_bit_tests, expand_end_case_type,
10289         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
10290         * stor-layout.c (place_union_field, layout_type): Likewise.
10291         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
10292         * varasm.c (copy_constant): Likewise.
10293
10294 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10295
10296         * c-common.c: Rename all identifiers named `new'.
10297         * c-decl.c: Likewise.
10298         * gensupport.c: Likewise.
10299         * simplify-rtx.c: Likewise.
10300         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
10301         with XNEW().
10302         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
10303         with XNEWVEC().
10304
10305 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
10306
10307         PR c/15360
10308         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
10309         declarations until after calling pushdecl.
10310         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
10311         "extern" and not on whether the declaration is initialized.
10312
10313 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
10314
10315         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
10316         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
10317         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
10318         "cpplib.h", "c-pragma.h", "c-common.h".
10319         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
10320         (solaris_register_pragmas): New functions.
10321         * config/sol2-protos.h: New file.
10322         * config/sol2.c: New file.
10323         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
10324         (REGISTER_TARGET_PRAGMAS): New macros.
10325         (solaris_pending_aligns, solaris_pending_inits)
10326         (solaris_pending_finis): New variables.
10327         * config/t-sol2 (sol2-c.o): Update dependencies.
10328         (sol2.o): New rule.
10329         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
10330         SUBTARGET_INSERT_ATTRIBUTES.
10331         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
10332         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
10333         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
10334         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
10335         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
10336         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
10337         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
10338         * config/sparc/sparc.c (sparc_attribute_table): New.
10339         (TARGET_INSERT_ATTRIBUTES): Define in terms of
10340         SUBTARGET_INSERT_ATTRIBUTES.
10341         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
10342         is defined.
10343         * doc/extend.texi (Solaris Pragmas): New section.
10344
10345 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10346
10347         * c-common.c: Rename all identifiers named `class' to `cl'.
10348         * c-common.h: Likewise.
10349         * c-parse.in: Likewise.
10350         * c-typeck.c: Likewise.
10351         * genmodes.c: Likewise.
10352         * real.c: Likewise.
10353         * real.h: Likewise.
10354         * recog.c: Likewise.
10355         * recog.h: Likewise.
10356         * regrename.c: Likewise.
10357         * tree.h: Likewise.
10358         * c-common.c (builtin_function_2): Change type of 5th parameter from
10359         int to enum built_in_function. Change type of 8th parameter from int
10360         to bool.
10361         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
10362         with GGC_CNEW().
10363         * c-typeck.c (convert_arguments): Change type of formal_prec from
10364         int to unsigned int.
10365         * genmodes.c (blank_mode): Make a few negative constants unsigned.
10366         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
10367         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
10368         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
10369         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
10370         iterator to for_all_modes () instead of an enum because enums can't
10371         be incremented in C++.
10372
10373
10374 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
10375
10376         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
10377         hard registers.
10378
10379 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10380
10381         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
10382         Handle ARRAY_RANGE_REF like ARRAY_REF.
10383
10384 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
10385
10386         * c-typeck.c (digest_init): Don't allow arrays of signed or
10387         unsigned variants of wchar_t to be initialized by wide string
10388         constants.  Do allow arrays of enumerated types compatible with
10389         wchar_t to be initialized by wide string constants.  Refine tests
10390         distinguishing wide and narrow strings and arrays.  Give specific
10391         error for arrays of other integer types initialized by string
10392         constants.
10393         (output_init_element, process_init_element): Check for
10394         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
10395         initializing with string constants.
10396
10397 2004-07-25  Richard Henderson  <rth@redhat.com>
10398
10399         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
10400         on the RESULT_DECL.
10401         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
10402         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
10403         DECL_IGNORED_P to new decl.
10404
10405 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
10406
10407         * config/ia64/ia64.c (general_xfmode_operand)
10408         (destination_xfmode_operand): Delete.
10409         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
10410         * config/ia64/ia64.md (*movxf_internal): Use general_operand
10411         and destination_operand.
10412
10413 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
10414
10415         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
10416         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
10417
10418 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
10419             Zack Weinberg  <zack@codesourcery.com
10420
10421         PR 16684
10422         * c-decl.c (diagnose_mismatched_decls): Don't issue a
10423         redundant-declaration warning the first time a builtin is
10424         declared explicitly.
10425
10426 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10427
10428         * tree.h (staticp): Change return type to bool.
10429
10430 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10431
10432         * c-common.c (c_staticp): Last episode of the staticp saga.
10433
10434 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10435
10436         * c-common.h (c_staticp): Change return type from int to bool.
10437         * tree.c (staticp): Likewise.
10438         * langhooks.h (staticp): Likewise.
10439
10440 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10441
10442         * langhooks-def.h (lhd_staticp): Change return type from int to
10443         bool in prototype to match definition.
10444
10445 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10446
10447         * system.h (bool, true, false): Don't redefine as preprocessor macros
10448         in C++.
10449
10450 2004-07-24  Roger Sayle  <roger@eyesopen.com>
10451
10452         * expmed.c (init_expmed): A signed modulus by a power of two is
10453         considered cheap if its less than or equal to four instructions.
10454
10455 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10456
10457         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
10458         GGC_CNEWVAR): New macros.
10459
10460 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
10461
10462         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
10463         lists.
10464         * c-decl.c: Likewise.
10465         * c-format.c: Likewise.
10466         * c-lex.c: Likewise.
10467         * c-opts.c: Likewise.
10468         * c-pragma.c: Likewise.
10469         * c-typeck.c: Likewise.
10470         * gencheck.c: Likewise.
10471         * genconditions.c: Likewise.
10472         * genconfig.c: Likewise.
10473         * genflags.c: Likewise.
10474         * gengtype.c: Likewise.
10475         * gensupport.c: Likewise.
10476         * ggc-none.c: Likewise.
10477         * langhooks.c: Likewise.
10478         * statistics.h: Likewise.
10479         * stub-objc.c: Likewise.
10480         * java/decl.c: Likewise.
10481
10482 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
10483
10484         * config/m68k/m68k.c (output_scc_di): Fix coding style.
10485         (symbolic_operand): Fix prototype.
10486         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
10487         * config/m68k/m68k.md: Add constants for registers a0 and sp and
10488         use them, change from the "{...}" syntax to the simpler {...}
10489         syntax.
10490         (*cfv4_extendqisi2): Fix destination predicate.
10491         * config/m68k/m68k-protos.h: Remove various declarations also
10492         generated via PREDICATE_CODES.
10493
10494 2004-07-23  Mike Stump  <mrs@apple.com>
10495
10496         * c-typeck.c (convert_for_assignment): Tightened up pointer
10497         converstions that differ in signedness.
10498
10499 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
10500
10501         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
10502
10503 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10504
10505         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
10506         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
10507
10508         * gimplify.c (gimplify_compound_lval): Check for no handled
10509         operations, rather than checking for explicit list of nodes.
10510         (is_gimple_addr_expr_arg_or_indirect): New function.
10511         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
10512         redundant setting of TREE_INVARIANT.
10513         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
10514         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
10515
10516 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
10517
10518         PR tree-optimization/16688
10519         PR tree-optimization/16689
10520         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
10521         unnecessary initialization of 'tag'.
10522         (get_tmt_for): Check that the new type tag has the same alias
10523         set as the pointed-to type.
10524         (group_aliases): Only regular variables need to be removed
10525         from the alias set of a name tag.
10526         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
10527         propagation if the two types are not compatible.
10528         (merge_alias_info): Rename from replace_ssa_names_ann.
10529         Add more checking.
10530         (replace_exp_1): If both arguments are SSA_NAMEs, check that
10531         the propagation can be done.
10532         Only call merge_alias_info on pointers.
10533         (propagate_value): Likewise.
10534         * tree-ssa-copyrename.c: Include langhooks.h.
10535         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
10536         to do the merging.
10537         Do not coalesce variables with incompatible types.
10538         (rename_ssa_copies): Call replace_ssa_name_symbol.
10539         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
10540         the same type as the underlying _DECL.
10541         * tree-ssanames.c (replace_ssa_name_symbol): New function.
10542         * tree.h (replace_ssa_name_symbol): Declare.
10543
10544 2004-07-23  Richard Henderson  <rth@redhat.com>
10545
10546         PR c++/16277
10547         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
10548         unshare it properly.
10549         (gimplify_modify_expr_rhs): Push assignment from a conditional into
10550         the conditional for all non-register types.
10551
10552 2004-07-23  Richard Henderson  <rth@redhat.com>
10553
10554         * expr.c (expand_expr_real_1): Don't handle non-local variables.
10555         * expr.h (fix_lexical_addr): Remove.
10556         * function.c (NEED_SEPARATE_AP): Remove.
10557         (fix_lexical_addr): Remove.
10558         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
10559         not null decl_function_context.
10560         (create_alias_vars): Likewise.
10561         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
10562         (simple_goto_p): Likewise.
10563         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
10564         * tree-ssa-ccp.c (get_default_value): Likewise.
10565         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
10566         * tree.c (needs_to_live_in_memory): Likewise.
10567         * tree-flow-inline.h (may_be_aliased): Move...
10568         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
10569         when TREE_STATIC variables may be addressable.
10570
10571 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
10572
10573         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
10574
10575 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
10576
10577         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
10578         bitmap contents if GENERATOR_FILE is defined.
10579         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
10580         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
10581
10582 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
10583
10584         * c-decl.c (start_function): Form composite type of function types
10585         rather than copying type from previous prototype declaration.
10586
10587 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
10588
10589         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
10590         the const qualifier for the second argument in the C++ functions.
10591
10592         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
10593         specific pointer types.
10594
10595         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
10596         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
10597         for vector bool and/or vector pixel, add C++ and C missing support.
10598         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
10599         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
10600         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
10601         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
10602         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
10603         missing C++ and C support for vector bool and/or vector pixel.
10604         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
10605         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
10606         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
10607         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
10608         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
10609         C++ and C types used for vector bool and/or vector pixel.
10610         (vec_st, vec_stl): Add C++ support for vector pixel.
10611         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
10612         (vec_all_ne): Add C++ support for vector pixel.
10613
10614         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
10615         (vec_vmulesb): Add missing C++ function.
10616         (vec_perm): Fix type of third argument in C++ function.
10617         (vec_vsum4shs): Fix C++ function name.
10618         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
10619         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
10620         argument passed to the error handler in C macro.
10621         (vec_nmsub): Remove extra parens around argument names in C macro.
10622         (vec_packpx): Add missing parens in C macro.
10623
10624 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
10625
10626         * machmode.def: Remove vector modes.
10627         * config/alpha/alpha-modes.def: Add supported vector modes.
10628         * config/arm/arm-modes.def: Likewise.
10629         * config/frv/frv-modes.def: Likewise.
10630         * config/i386/i386-modes.def: Likewise.
10631         * config/rs6000/rs6000-modes.def: Likewise.
10632         * config/sh/sh-modes.def: Likewise.
10633
10634 2004-07-23  Matthias Klose  <doko@debian.org>
10635
10636         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
10637         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
10638         * config.h: Regenerate.
10639         * configure: Likewise.
10640
10641 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
10642
10643         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
10644         generated SYMBOL_REFs for labels.
10645         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
10646         Change prototype.
10647         (machopic_stub_name): Remove.
10648         (machopic_indirection_name): New function.
10649         (machopic_mcount_stub_name): Likewise.
10650         (machopic_classify_name): Remove.
10651         (machopic_function_base_sym): New function.
10652         (machpoic_classify_symbol): Likewise.
10653         (machopic_classify_ident): Remove.
10654         (machopic_define_ident): Likewise.
10655         (machopic_define_name): Likewise.
10656         (machopic_name_defined_p): Likewise.
10657         (machopic_ident_defined_p): Likewise.
10658         (darwin_strip_name_encoding): Likewise.
10659         (machopic_define_symbol): New function.
10660         * config/darwin.c (hashtab.h): Include.
10661         (machopic_defined_list): Remove.
10662         (machopic_classify_ident): Likewise.
10663         (machopic_classify_name): Likewise.
10664         (machopic_ident_defined_p): Likewise.
10665         (machopic_define_ident): Likewise.
10666         (machopic_define_name): Likewise.
10667         (machopic_symbol_defined_p): New function.
10668         (machopic_classify_symbol): Likewise.
10669         (machopic_data_defined_p): Use machopic_classify_symbol.
10670         (machopic_define_symbol): New function.
10671         (machopic_function_base_sym): New function.
10672         (machopic_non_lazy_pointers): Remove.
10673         (machopic_non_lazy_ptr_name): Likewise.
10674         (machopic_stubs): Likewise.
10675         (machopic_stub_name): Likewise.
10676         (NON_LAZY_POINTER_SUFFIX): New macro.
10677         (STUB_SUFFIX): Likewise.
10678         (machopic_indirection): New structure.
10679         (machopic_indirections): New variable.
10680         (machopic_indirection_hash): New function.
10681         (machopic_indirection_eq): Likewise.
10682         (machopic_indirection_name): Likewise.
10683         (machopic_mcount_stub_name): New function.
10684         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
10685         hash table.
10686         (machopic_indirect_data_reference): Rework to use new functions.
10687         (machopic_indirect_call_target): Likewise.
10688         (machopic_legitimize_pic_address): Likewise.
10689         (machopic_output_indirection): New function.
10690         (machopic_finish): Use it.
10691         (machopic_operand_p): Rework to use new functions.
10692         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
10693         (darwin_strip_name_encoding): Remove.
10694         (update_non_lazy_ptrs): Remove.
10695         (update_stubs): Likewise.
10696         (darwin_non_lazy_pcrel): Use new functions.
10697         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
10698         (ASM_OUTPUT_LABELREF): Likewise.
10699         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
10700         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
10701         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
10702         (TARGET_STRIP_NAME_ENCODING): Do not use
10703         darwin_strip_name_encoding.
10704         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
10705         darwin_strip_name_encoding.
10706         * config/i386/darwin.h (FUNCTION_PROFILER): Use
10707         machopic_mcount_stub_name.
10708         * config/i386/i386.c (x86_output_mi_thunk): Use
10709         machopic_indirection_name, not machopic_stub_name.
10710         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
10711         machopic_function_base_sym.
10712         (print_operand): Use machopic_classify_symbol.
10713         (rs6000_emit_prologue): Use machopic_function_base_sym.
10714         (output_profile_hook): Do not use machopic_stub_name.
10715         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
10716
10717 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10718
10719         PR c/7284
10720         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
10721         as multiplication.
10722
10723 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10724
10725         * doc/implement-c.texi: New file.
10726         * doc/extend.texi (C Implementation): Move to there.
10727         * doc/gcc.texi: Include implement-c.texi.
10728         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
10729
10730 2004-07-22  Jason Merrill  <jason@redhat.com>
10731
10732         * integrate.c (copy_decl_for_inlining): Remove invisible reference
10733         handling.
10734         * tree-inline.c (setup_one_parameter): Likewise.
10735
10736 2004-07-22  Brian Booth  <bbooth@redhat.com>
10737
10738         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
10739         (substitute_and_fold): Propigate into VUSE operands when possible.
10740         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
10741         (cp_lattice_meet): Handle merging of latticevalues when
10742         UNKNOWN_VAL is present.
10743         (visit_stmt): Visit assignments with V_MUST_DEFs.
10744         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
10745         (ccp_fold): Deal with RHS' that are constant and virtual.
10746         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
10747         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
10748         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
10749         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
10750         computing immediate uses.
10751         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
10752         transition.
10753         (replace_vuse_in): New function.
10754         (likely_value): Add check of vuse operands.
10755         (get_default_value): Set the default value of virtually defined
10756         variables to UKNOWN_VAL instead of VARYING.
10757
10758 2004-07-22  Richard Henderson  <rth@redhat.com>
10759
10760         * expr.c (emit_push_insn): Don't use set_mem_attributes.
10761
10762 2004-07-22  Richard Henderson  <rth@redhat.com>
10763
10764         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
10765         variables due to conditional compilation.
10766
10767 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
10768
10769         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
10770         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
10771         Release SSA names that have been re-renamed.
10772         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
10773         variable.
10774         * tree-ssa-alias.c (init_alias_info): If aliases have been
10775         computed before, clear existing alias information.
10776         (create_name_tags): Do no fixup PT_ANYTHING pointers.
10777         If the new name tag for a pointer is different than the one it
10778         had before, mark the old tag for renaming.
10779         (replace_may_alias): New function.
10780         (group_aliases): Call it.
10781         (setup_pointers_and_addressables): Always call get_tmt_for.
10782         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
10783         once.
10784         (set_pt_anything): New local function.
10785         (set_pt_malloc): New local function.
10786         (merge_pointed_to_info): Don't merge pointed-to variables from
10787         the original pointer if the destination is pointing to an
10788         unknown location.
10789         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
10790         (add_pointed_to_var): Do not add a variable to the points-to
10791         set if the pointer is already pointing to anywhere.
10792         (collect_points_to_info_r): If the defining statement is a PHI
10793         node, only merge pointed-to information if the argument has
10794         already been visited.
10795         (get_tmt_for): Only create a new tag if the pointer didn't
10796         have one already.
10797         (dump_alias_info): Emit more information.
10798         (dump_points_to_info_for): Likewise.
10799         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
10800         try to get the annotation of an SSA_NAME.
10801         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
10802         alias sets when checking is enabled.
10803         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
10804         (eliminate): Mark basic blocks that will need
10805         EH information cleaned up.
10806         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
10807         predecessor.
10808         Initialize need_eh_cleanup.
10809         (fini_pre): Call tree_purge_all_dead_eh_edges and
10810         cleanup_tree_cfg if needed.
10811         Free need_eh_cleanup.
10812         * tree-ssa.c (verify_ssa_name): New function.
10813         (verify_def): Call it.
10814         Re-arrange to avoid printing too many error messages.
10815         (verify_use): Likewise.
10816         (verify_phi_args): Likewise.
10817         (verify_flow_insensitive_alias_info): New function.
10818         (verify_flow_sensitive_alias_info): New function.
10819         (verify_alias_info): New function.
10820         (verify_ssa): Call verify_alias_info.
10821         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
10822         program.
10823         Re-arrange to avoid printing too many error messages.
10824         * tree-ssanames.c (make_ssa_name): Clear
10825         SSA_NAME_IN_FREE_LIST.
10826         (release_ssa_name): Never release a default definition.
10827         (release_defs): New function.
10828         * tree.h: Declare it.
10829         * tree-ssa-dce.c (remove_dead_stmt): Call it.
10830
10831 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
10832
10833         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
10834         If true, do a depth-first search.  Do a breadht-first search,
10835         otherwise.
10836         (walk_use_def_chains): Add new argument IS_DFS.
10837         Update all users.
10838         * tree-flow.h (walk_use_def_chains): Update prototype.
10839
10840 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
10841
10842         * config/cris/cris.md: Tweak formatting.
10843         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
10844         (mover2side, moverside, movemside, movei, op3, andu): Replace
10845         live define_peephole:s with define_peephole2 near-equivalents.
10846         Delete the rest.
10847         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
10848         word-size modes.
10849         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
10850         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
10851         "*mov_sidesi_mem" respectively.
10852
10853 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
10854
10855         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
10856         (gimplify_build1): Move from tree-complex.c do_unop.
10857         (gimplify_build2): Move from tree-complex.c do_binop.
10858         (gimplify_build3): New.
10859         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
10860         Adjust throughout to call the functions above.
10861         * tree-flow.h: Declare the functions above.
10862         * tree-nested.c (gimplify_val): Rename to...
10863         (tsi_gimplify_val): ... this.
10864
10865         * Makefile.in (tree_complex.o): Update dependencies.
10866         (stor-layout.o): Depend on regs.h.
10867         * c-common.c (handle_vector_size_attribute): Update for
10868         vector types without corresponding vector modes.
10869         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
10870         a corresponding vector mode is not available.
10871         * print-tree.c (print_node): Print nunits for vector types
10872         * regclass.c (have_regs_of_mode): New.
10873         (init_reg_sets_1): Initialize it and use it instead
10874         of allocatable_regs_of_mode.
10875         * regs.h (have_regs_of_mode): Declare it.
10876         * stor-layout.c (layout_type): Pick a mode for vector types.
10877         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
10878         build_replicated_const, do_unop, do_binop, do_plus_minus,
10879         do_negate, expand_vector_piecewise, expand_vector_parallel,
10880         expand_vector_addition, expand_vector_operations_1,
10881         expand_vector_operations, tree_lower_operations,
10882         pass_lower_vector_ssa, pass_pre_expand): New.
10883         (expand_complex_operations, pass_lower_complex): Remove.
10884         * tree-optimize.c (init_tree_optimization_passes): Adjust
10885         pass ordering for changes in tree-complex.c.
10886         * tree-pass.h: Declare new passes.
10887         * tree.c (finish_vector_type): Remove.
10888         (make_vector_type): New.
10889         (build_vector_type_for_mode, build_vector_type): Rewritten.
10890         * tree.def (VECTOR_TYPE): Document where the number of
10891         subparts is stored.
10892         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
10893         (make_vector): Remove declaration.
10894
10895 2004-07-21  Richard Henderson  <rth@redhat.com>
10896
10897         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
10898         TREE_THIS_VOLATILE, may_aliases, or optimization level.
10899         (remove_useless_vars): Dump debugging info.
10900         (expand_used_vars): Move ...
10901         * cfgexpand.c (expand_used_vars): ... here.  Make static.
10902         * tree-flow-inline.h (set_is_used): New.
10903         (set_default_def): Use get_var_ann.
10904         * tree-flow.h: Update decls.
10905         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
10906         (create_ssa_var_map): Use it.
10907         * tree-ssa.c (set_is_used): Remove.
10908
10909 2004-07-22  Ben Elliston  <bje@au.ibm.com>
10910
10911         * gdbinit.in: Set a breakpoint on internal_error.
10912
10913 2004-07-21  Richard Henderson  <rth@redhat.com>
10914
10915         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
10916         to create a new basic block.
10917
10918 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10919
10920         PR c/15052
10921         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
10922         return type on function definitions.  Move other warnings for
10923         qualified return type to -Wreturn-type.  Do not condition any such
10924         warnings on -pedantic.  Update comments.
10925         (start_function): Only copy function type from previous prototype
10926         declaration if return types are compatible.
10927         * c-typeck.c (function_types_compatible_p): Don't condition
10928         warning for incompatibility of volatile qualifiers on the return
10929         type on -pedantic.  Update comment.
10930         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
10931
10932 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10933
10934         * c-typeck.c (set_init_index): Require designator to be of integer
10935         type.
10936
10937 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10938
10939         PR c/11250
10940         * c-parse.in (init): Change to exprtype.
10941         (primary): Set original_code for STRING to STRING_CST.
10942         Call maybe_warn_string_init for compound literals.
10943         (initdcl, notype_initdcl): Call maybe_warn_string_init.
10944         (initval): Update.
10945         * c-tree.h (maybe_warn_string_init): New.
10946         (pop_init_level, process_init_element): Use struct c_expr.
10947         (struct c_expr): Update comment.
10948         * c-typeck.c (maybe_warn_string_init): New function.
10949         (digest_init): Call it.  Additional parameter strict_string.  All
10950         callers changed.
10951         (output_init_element): Likewise.
10952         (struct constructor_stack): Use struct c_expr for
10953         replacement_value.
10954         (really_start_incremental_init, push_init_level): Update.
10955         (pop_init_level): Update.  Return struct c_expr.
10956         (process_init_level): Update.  Take struct c_expr argument.
10957
10958 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
10959
10960         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
10961         commit.
10962
10963 2004-07-21  Eric Christopher  <echristo@redhat.com>
10964
10965         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
10966         removal.
10967         * c-decl.c (pop_scope): Ditto.
10968         * calls.c (expand_call): Remove call to current_nesting_level,
10969         update comment accordingly. Remove calls to expand_start_target_temps
10970         and expand_end_target_temps.
10971         * cfgexpand.c (construct_init_block): Remove call to
10972         expand_start_bindings_and_block.
10973         (construct_exit_block): Remove call to expand_end_bindings.
10974         * expr.c (safe_from_p): Remove BIND_EXPR handling.
10975         (expand_expr_real_1): Ditto. Fix formatting.
10976         (expand_vars): Delete.
10977         * stmt.c (POPSTACK): Remove block_stack.
10978         (stmt_status): Remove x_block_stack.
10979         (block_stack): Delete.
10980         (expand_start_bindings_and_block): Ditto.
10981         (expand_start_target_temps): Ditto.
10982         (expand_end_target_temps): Ditto.
10983         (current_nesting_level): Ditto.
10984         (warn_about_unused_variables): Ditto.
10985         (expand_end_bindings): Ditto.
10986         * tree.h: Remove declarations for above.
10987
10988 2004-07-21  Steven Bosscher  <stevenb@suse.de>
10989
10990         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
10991         * rtl.c (note_insn_name): Likewise.
10992         * print-rtl.c (print_rtx): Don't print it.
10993         * cfgrtl.h (can_delete_note_p): Don't handle it.
10994         (rtl_delete_block): Likewise.
10995         * passes.c (rest_of_handle_guess_branch_prob): Remove.
10996         (rest_of_compilation): Don't call it.
10997         * predict.c (process_note_predictions, process_note_prediction,
10998         note_prediction_to_br_prob): Remove.
10999         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
11000         * stmt.c (return_prediction): Remove.
11001         (expand_value_return): Don't call it.  Don't add prediction
11002         notes for return statements.
11003
11004 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
11005
11006         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
11007         once.
11008
11009 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
11010
11011         * c-common.c (vector_types_convertible_p): Use vector types'
11012         TYPE_SIZE and TREE_TYPE instead of their mode.
11013         * convert.c (convert_to_integer): Likewise.
11014         (convert_to_vector): Likewise.
11015         * fold-const.c (fold_convert): Likewise.
11016         * varasm.c (output_constant): Likewise.
11017         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
11018         Allow a VECTOR_TYPE initializer to be made of several vectors.
11019         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
11020         of cleared and need_to_clear, and use fold_convert.
11021         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
11022         integer vectors.
11023
11024 2004-07-20  Richard Henderson  <rth@redhat.com>
11025
11026         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
11027         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
11028
11029 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
11030
11031         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
11032         enormous cost if not TARGET_HARD_MUL.
11033
11034 2004-07-20  Andrew Pinski  <apinski@apple.com>
11035
11036         PR target/16557
11037         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
11038         (ASM_SPEC): here.
11039
11040 2004-07-21  Paul brook  <paul@codesourcery.com>
11041
11042         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
11043
11044 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11045
11046         * fold-const.c (operand_equal_p): Temporarily support NULL args.
11047         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
11048         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
11049
11050 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
11051
11052         * rtl.h (plus_constant): Delete.
11053         (plus_constant_wide): Rename to plus_constant.
11054         (plus_constant_for_output_wide): Delete vestigial prototype.
11055         (GEN_INT): Remove unnecessary cast.
11056         * tree.h (build_int_2, size_int_type): Delete.
11057         (build_int_2_wide): Rename to build_int_2.
11058         (size_int_wide): Rename to size_int_kind.
11059         (size_int_type_wide): Rename to size_int_type.
11060         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
11061         Remove unnecessary cast.
11062         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
11063         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
11064         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
11065         (size_int_type_wide): Rename size_int_type.
11066         (int_const_binop): Use size_int_type.
11067         * c-lex.c (interpret_integer): Use build_int_2.
11068         * final.c (split_double): Remove unnecessary casts.
11069         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
11070
11071 2004-07-20  Richard Henderson  <rth@redhat.com>
11072
11073         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
11074         (gimplify_compound_lval): Use is_gimple_tmp_reg.
11075         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
11076         (is_gimple_tmp_reg): New.
11077         * tree-gimple.h (is_gimple_tmp_reg): Declare.
11078
11079 2004-07-20  Richard Henderson  <rth@redhat.com>
11080
11081         * tree-pretty-print.c (dump_generic_node): Dump
11082         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
11083
11084 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
11085
11086         * tree-mudflap.c (mf_set_options_fndecl): New tree.
11087         (mudflap_init): Set it.
11088         (mudflap_register_call): Remove __mf_init call.
11089         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
11090         to pass "-ignore-reads" option to libmudflap if needed.
11091
11092 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
11093
11094         PR c++/14607
11095         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
11096         (MAKE_DECL_ONE_ONLY): Undefine.
11097         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
11098         readonly_data, one_only_data_section, forget_section): New prototypes.
11099         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
11100         functions.
11101         (pa_select_section): Add one-only (COMDAT) support.
11102         * pa.h (struct machine_function): Define.
11103         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
11104         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
11105         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
11106         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
11107         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
11108         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
11109         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
11110         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
11111         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
11112         for EXTRA_SECTION_FUNCTIONS.
11113         * doc/install.texi: Update binutils requirements.
11114
11115 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
11116
11117         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
11118         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
11119         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
11120         size_t.
11121         (struct VEC): Use unsigned for num and alloc.
11122         * vec.c (struct vec_prefix): Likewise.
11123         (vec_o_reserve): Adjust.
11124
11125         * dbxout.c (dbxout_type): Fix printf format.
11126
11127         * tree.h (binfo_member): Remove.
11128         * tree.c (binfo_member): Remove.
11129
11130 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
11131
11132         * tree.h: Include vec.h
11133         (DEF_VEC_P(tree)): New type.
11134         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
11135         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
11136         (BINFO_LANG_SLOT): Remove.
11137         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
11138         (struct tree_binfo): Turn base_binfos into a trailing
11139         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
11140         (binfo_lang_slots): Remove.
11141         * tree.c (binfo_lang_slots): Remove.
11142         (make_tree_binfo_stat): Take a base binfo count, not a
11143         lang slot count.  Adjust.
11144         * Makefile.in (TREE_H): Add vec.h
11145         * alias.c (record_component_aliases): Adjust BINFO access.
11146         * dbxout.c (dbxout_type): Likewise.
11147         * dwarf2out.c (gen_member_die): Likewise.
11148         * sdbout.c (sdbout_one_type): Likewise.
11149         * tree-dump.c (deque_and_dump): Likewise.
11150         * config/i386/i386.c (classify_argument,
11151         contains_128bit_aligned_vector_p): Likewise.
11152         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
11153         * doc/c-tree.texi (Classes): Update BINFO documentation.
11154
11155 2004-07-20  Steven Bosscher  <stevenb@suse.de>
11156
11157         * c-common.h (check_case_value): Remove prototype.
11158         (c_add_case_label): Adjust prototype.
11159         * c-common.c (check_case_value): Make static.
11160         (check_case_bounds): New function.
11161         (c_add_case_label): Use it.  Take new argument orig_type.
11162         * c-typeck.c (struct c_switch): New orig_type field.
11163         (c_start_case): Set it.
11164         (do_case): Pass it to c_add_case_label.
11165         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
11166         cases from here.  Add the labels in reverse order.
11167         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
11168         (add_case_node): Return nothing, don't check for duplicate cases.
11169         Insert new case nodes in a list, not in an AVL tree.
11170         (expand_end_case_type): Don't turn a case tree into a case list.
11171         (case_tree2list): Remove.
11172         * tree.h (add_case_node): Adjust prototype.
11173
11174 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
11175
11176         * genattr.c (struct range, struct function_unit,
11177         write_units, extend_range, init_range): Remove them.
11178         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
11179         Output "#define INSN_SCHEDULING" here.
11180         * genattrtab.c (struct range, struct function_unit_op,
11181         struct function_unit, struct dimension, enum operator,
11182         operate_exp, expand_units, simplify_knowing,
11183         encode_units_mask, simplify_by_exploding,
11184         find_and_mark_used_attributes, unmark_used_attributes,
11185         add_values_to_cover, increment_current_value,
11186         test_for_current_value, simplify_with_current_value,
11187         simplify_with_current_value_aux, gen_unit,
11188         write_unit_name, write_function_unit_info,
11189         write_complex_function, write_toplevel_expr,
11190         find_single_value, extend_range): Remove.
11191         (write_attr_get): Do not handle common_av->value
11192         being an FFS.
11193         (struct attr_desc): Remove func_units_p and blockage_p.
11194         (write_attr_valueq): Do not handle them.
11195         (find_attr): Do not clear them.
11196         (make_internal_attr): Do not initialize them.
11197         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
11198         * sched-vis.c (init_target_units, insn_print_units,
11199         init_block_visualization, print_block_visualization,
11200         visualize_scheduled_insns, visualize_no_unit,
11201         visualize_stall_cycles, visualize_alloc,
11202         visualize_free, target_units, get_visual_tbl_length,
11203         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
11204         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
11205         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
11206         * haifa-sched.c (blockage_range, clear_units,
11207         schedule_unit, actual_hazard, potential_hazard,
11208         insn_unit, unit_last_insn, unit_tick,
11209         actual_hazard_this_instance, potential_hazard,
11210         schedule_unit, max_insn_queue_index_value): Remove.
11211         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
11212         max_insn_queue_index.
11213         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
11214         * doc/md.texi (Processor pipeline description): Remove
11215         references to old pipeline descriptions.
11216         (Automaton pipeline description): Merge with the above.
11217         (Old pipeline description, Comparison of the two descriptions):
11218         Remove.
11219
11220         * bt-load.c (migrate_btr_def): Remove references to
11221         use_pipeline_interface.
11222         * haifa-sched.c (insn_cost, schedule_insn,
11223         schedule_block, advance_one_cycle, sched_init,
11224         queue_to_ready, sched_finish): Likewise.
11225         * modulo-sched.c (sms_schedule, advance_one_cycle,
11226         ps_has_conflicts): Likewise.
11227         * sched-rgn.c (init_ready): Likewise.
11228         (debug_dependencies): Likewise, and remove an "if (1)".
11229         * target.h (use_dfa_pipeline_interface): Remove.
11230         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11231         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11232         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11233         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11234         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11235         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11236         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11237         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11238         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11239         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11240         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11241         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11242         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11243         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11244         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11245         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11246         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11247         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11248         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
11249
11250 2004-07-19  Roger Sayle  <roger@eyesopen.com>
11251
11252         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
11253
11254 2004-07-19  Jeff Law  <law@redhat.com>
11255
11256         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
11257         (get_eq_expr_value): Use it.  Simplify slightly.
11258
11259 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
11260
11261         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
11262         (umulsidi3_32bit_r4000): Likewise.
11263
11264 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
11265
11266         * vec.h: Propagate location information properly.
11267         (VEC_T_iterate): Add result pointer parameter.
11268         (VEC_T_space): New.
11269         (VEC_T_reserve): Use it.
11270
11271 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
11272
11273         * Makefile.in (c-format.o): Depend on c-format.h.
11274         * c-format.h: New file.
11275         (struct format_char_info): Add CHAIN member.
11276         * c-format.c: Move some types and constants to c-format.h.
11277         (format_type_error): Set to -1.
11278         (struct function_format_info): Use an int for format_type.
11279         (decode_format_type): Return an int.  Return format_type_error
11280         on error.
11281         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
11282         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
11283         (scan_char_table, time_char_table, monetary_char_table): Initialize
11284         CHAIN to NULL.
11285         (n_format_types): New variable.
11286         (check_format_info_main): Handle CHAIN in format_char_info.
11287         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
11288         TARGET_N_FORMAT_TYPES.
11289         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
11290         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
11291         * config/sol2-c.c: New file.
11292         * config/t-sol2: New file.
11293         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
11294         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
11295         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
11296
11297         * doc/extend.texi (Target Format Checks): New section.
11298         (Function Attributes): Mention it.
11299         * doc/invoke.texi: Mention target format checks.
11300         * doc/sourcebuild.texi: Mention target format checks.
11301         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
11302         TARGET_FORMAT_TYPES.
11303
11304 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
11305
11306         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
11307         added.
11308         * config/s390/s390.c (regclass_map initializer): Register 35 added to
11309         ADDR_REGS.
11310         (load_multiple_operation, store_multiple_operation): Removed
11311         pointless sanity check.
11312         (s390_decompose_address): Added check for return_address_pointer_rtx.
11313         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
11314         (s390_return_address_offset): New function.
11315         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
11316         (FRAME_REGNO_P): Added check for register 35.
11317         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
11318         REG_ALLOC_ORDER): Appended entry for register 35.
11319         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
11320         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
11321         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
11322         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
11323         is eliminable using stack pointer or hard frame pointer.
11324         (REGISTER_NAMES): Added name for register 35.
11325         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
11326         pointless sanity check.
11327
11328 2004-07-19  Roger Sayle  <roger@eyesopen.com>
11329
11330         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
11331         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
11332         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
11333         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
11334         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
11335         (fold_relational_const): Tidy up handling of floating point
11336         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
11337         transformation; fold_relational_const assumes constant operands.
11338
11339 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
11340
11341         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
11342         directory.
11343
11344 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
11345
11346         * c-tree.h (struct c_expr): Define.
11347         (C_SET_EXP_ORIGINAL_CODE): Remove.
11348         (parser_build_binary_op, build_compound_expr): Update prototypes.
11349         * c-parse.in (%union): Add exprtype.
11350         (FUNC_NAME): Mark as ttype.
11351         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
11352         exprtype.
11353         (expr): Update.  Define directly in terms of expr_no_commas
11354         instead of using nonnull_exprlist.
11355         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
11356         offsetof_member_designator, typespec_nonreserved_nonattr, init,
11357         initval, designator, component_declarator,
11358         component_notype_declarator, enumerator, array_declarator,
11359         condition, exexpr, switch_statement, stmt_nocomp, stmt,
11360         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
11361         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
11362         where appropriate.
11363         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
11364         * c-common.c (c_common_truthvalue_conversion): Don't check
11365         C_EXP_ORIGINAL_CODE.
11366         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
11367         Don't use C_EXP_ORIGINAL_CODE.
11368         (default_conversion, default_function_array_conversion): Don't use
11369         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
11370         (internal_build_compound_expr): Merge into build_compound_expr.
11371         (build_compound_expr): Take two operands instead of a TREE_LIST.
11372         * objc/objc-act.c (get_super_receiver): Update calls to
11373         build_compound_expr.
11374
11375 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
11376
11377         * config/sh/sh.c (sh_use_dfa_interface): Remove.
11378         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
11379         hook_int_void_1.
11380         * config/sh/sh.md: Extract pipeline descriptions
11381         into separate files.
11382         * config/sh/sh1.md: New file, extracted from sh.md.
11383         * config/sh/sh4.md: New file, extracted from sh.md.
11384         * config/sh/shmedia.md: New file, extracted from sh.md
11385         and rewritten using new-style pipeline description.
11386
11387 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
11388
11389         * config/pa/pa.md: Delete the two remaining define_peephole
11390         patterns.
11391
11392 2004-07-18  Steven Bosscher  <stevenb@suse.de>
11393             Joseph S. Myers  <jsm@polyomino.org.uk>
11394
11395         * c-common.c (c_common_truthvalue_conversion): Don't warn if
11396         TREE_NO_WARNING is set.
11397
11398 2004-07-18  Roger Sayle  <roger@eyesopen.com>
11399
11400         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
11401         simplify_builtin_strncmp): Delete.
11402         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
11403         Change argument to accept an arglist instead of an "exp".  Assume
11404         that the return type is always integer_type_node.  Copy missing
11405         transformations from their now obsolete simplify_builtin_*
11406         equivalents.
11407         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
11408         fold_builtin_strcmp and fold_builtin_strncmp.
11409         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
11410         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
11411         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
11412
11413 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
11414
11415         * Makefile.in (tree-alias-common.o): Update dependencies.
11416
11417 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
11418
11419         * cfgloop.c (flow_loop_nested_p): Fix comment.
11420
11421 2004-07-17  Jason Merrill  <jason@redhat.com>
11422
11423         PR c++/16115
11424         * stor-layout.c (relayout_decl): New fn.
11425         * tree.h: Declare it.
11426         (DECL_BY_REFERENCE): New macro.
11427
11428 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
11429
11430         * libgcc2.c (__enable_execute_stack): New symbol.
11431         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
11432         and declare __enable_execute_stack.
11433         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
11434         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
11435         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11436         ENABLE_EXECUTE_STACK.
11437         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
11438         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11439         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11440         ENABLE_EXECUTE_STACK.
11441         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11442         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
11443         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11444         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
11445         ENABLE_EXECUTE_STACK.
11446         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11447         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11448         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11449         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
11450         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
11451         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
11452         (sparc64_initialize_trampoline): Likewise.
11453         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
11454
11455 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
11456
11457         * langhooks.h (builtin_function): New langhook.
11458         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
11459         (LANG_HOOKS_INITIALIZER): Update.
11460         * tree.h (builtin_function): Remove.
11461         * doc/tm.texi: Update.
11462         * c-tree.h (builtin_function): Declare.
11463         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
11464         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
11465         config/ia64/ia64.c, config/iq2000/iq2000.c,
11466         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
11467         config/stormy16/stormy16.c: All callers of builtin_function
11468         changed.
11469
11470 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
11471
11472         PR target/16556
11473         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
11474         Remove white space after the backslash.
11475
11476 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
11477
11478         PR rtl-optimization/16294
11479         * resource.c (return_insn_p): New predicate.
11480         (mark_target_live_regs): Use it.  Special-case return insns.
11481         (init_resource_info): Use it.  Don't scan the epilogue past
11482         a return.
11483
11484 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
11485
11486         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
11487         destroy dominance information.
11488         * passes.c (rest_of_handle_loop2):  Free dominance information.
11489         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
11490         jump threading.
11491         (thread_jumps): Update dominance information and remove unreachable
11492         blocks.
11493         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
11494         information and remove the unreachable block.
11495
11496 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
11497
11498         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
11499
11500 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
11501
11502         * doc/sourcebuild.texi: Remove libf2c entry.
11503
11504 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
11505
11506         * config/i386/i386.md (movv16qi_internal): Fix typo.
11507
11508 2004-07-17  Steven Bosscher  <stevenb@suse.de>
11509
11510         * final.c (final_scan_insn): Fix broken commit from previous
11511         patch.
11512
11513 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
11514
11515         * c-typeck.c (parser_build_binary_op): Condition warnings for
11516         X<=Y<=Z on -Wparentheses instead of -Wextra.
11517         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
11518         supported for C only.
11519
11520 2004-07-17  Steven Bosscher  <stevenb@suse.de>
11521
11522         * cfgcleanup.c (try_simplify_condjump): Don't remove line
11523         notes to avoid unreachable code warnings.
11524         * toplev.c (backend_init): Don't emit line notes for
11525         unreachable code warnings.
11526
11527         * combine.c (distribute_notes): Don't distribute a
11528         REG_VTABLE_REF note.
11529         * final.c (final_scan_insn): Don't handle it.
11530         * rtl.c (reg_note_name): Remove it.
11531         * rtl.h (enum reg_node): Dito.
11532
11533         * emit-rtl.c (force_line_numbers, restore_line_number_status):
11534         Remove.
11535         * rtl.h (force_line_numbers, restore_line_number_status):
11536         Remove prototypes.
11537
11538         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
11539         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
11540         (using_eh_for_cleanups): Also moved here.
11541
11542         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
11543         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
11544         to expand_start_case and add_case_node.
11545         * stmt.c (struct nesting): Cleanup unused fields condition_code,
11546         last_unconditional_cleanup, nominal_type, printname, and
11547         line_number_status.
11548         (struct fixup_goto): Remove.
11549         (struct stmt_status): Remove x_goto_fixup_chain field.
11550         (goto_fixup_chain): Remove.
11551         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
11552         pushcase, pushcase_range): Remove.
11553         (expand_start_bindings_and_block): Don't set unused fields in
11554         the nesting stack.
11555         (expand_start_case, add_case_node): Cleanup unused formal arguments.
11556         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
11557         instead of emit_jump_if_reachable.
11558         (emit_case_nodes): Likewise.
11559         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
11560         static.
11561         (update_eh_label): Work around left-over exception handing regions.
11562         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
11563         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
11564         (pass_cleanup_cfg_post_optimizing): New pass.
11565         (init_tree_optimization_passes): Run the new pass after all
11566         optimizations.
11567         * tree.h (pushcase, pushcase_range): Remove prototypes.
11568         (expand_start_case, add_case_node): Update prototypes.
11569
11570 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
11571
11572         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
11573
11574 2004-07-16  Richard Henderson  <rth@redhat.com>
11575
11576         * builtins.c (std_expand_builtin_va_arg): Remove.
11577         (expand_builtin_va_arg): Remove.
11578         * expr.h: Don't declare them.
11579         * gimplify.c (mark_decls_volatile_r): Remove.
11580         (copy_if_shared_r): Don't call it.
11581         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
11582         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
11583         * gimple-low.c (lower_stmt): Likewise.
11584         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
11585         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
11586         * tree-ssa-operands.c (get_expr_operands): Likewise.
11587         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
11588         EXPAND_BUILTIN_VA_ARG.
11589         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
11590         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
11591         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
11592         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
11593
11594 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
11595
11596         * tree-ssa-pre.c (insert_aux): Break out if we hit
11597         a critical edge.
11598
11599 2004-07-16  Richard Henderson  <rth@redhat.com>
11600
11601         * basic-block.h (remove_fake_exit_edges): Declare.
11602         * cfganal.c (remove_fake_predecessors): Rename from
11603         remove_fake_successors; iterate over predecessors.
11604         (remove_fake_exit_edges): New.
11605         * cfgcleanup.c (try_optimize_cfg): Use it.
11606         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
11607         * predict.c (estimate_probability): Likewise.
11608         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
11609         * tree-cfg.c (make_edges): Likewise.
11610         * tree-ssa-pre.c (fini_pre): Likewise.
11611         * profile.c (instrument_edges): Don't remove_fake_edges.
11612         (branch_prob): Do it earlier here.
11613
11614 2004-07-16  Richard Henderson  <rth@redhat.com>
11615
11616         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
11617         switchification wrt CONSTRUCTOR.  Document the reason.
11618
11619 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
11620
11621         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
11622         that prevented descriptive __mf_check source location strings.
11623
11624 2004-07-16  Richard Henderson  <rth@redhat.com>
11625
11626         * tree-def (WITH_SIZE_EXPR): New.
11627         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
11628         * expr.c (expand_expr_real_1): Likewise.
11629         * gimplify.c (maybe_with_size_expr): New.
11630         (gimplify_arg, gimplify_modify_expr): Use it.
11631         (gimplify_modify_expr_to_memcpy): Take size parameter.
11632         (gimplify_modify_expr_to_memset): Likewise.
11633         (gimplify_expr): Handle WITH_SIZE_EXPR.
11634         * tree-alias-common.c (find_func_aliases): Likewise.
11635         * tree-eh.c (tree_could_trap_p): Likewise.
11636         (tree_could_throw_p): Likewise.
11637         * tree-gimple.c (is_gimple_lvalue): Likewise.
11638         (get_call_expr_in): Likewise.
11639         * tree-inline.c (estimate_num_insns_1): Likewise.
11640         (expand_calls_inline): Likewise.
11641         * tree-nested.c (convert_call_expr): Likewise.
11642         * tree-pretty-print.c (dump_generic_node): Likewise.
11643         * tree-sra.c (sra_walk_expr): Likewise.
11644         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
11645         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
11646         * tree-ssa-operands.c (get_expr_operands): Likewise.
11647         * tree-tailcall.c (find_tail_calls): Likewise.
11648
11649         * calls.c (expand_call): Reset old_stack_allocated after
11650         calling emit_stack_restore.
11651
11652 2004-07-16  Richard Henderson  <rth@redhat.com>
11653
11654         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
11655         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
11656         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
11657         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11658         copy_res_decl_for_inlining.
11659
11660         * tree-inline.c (declare_return_variable): New modify_dest argument.
11661         Use it as the return value, when possible or manditory.  Handle
11662         TREE_ADDRESSABLE types.
11663         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
11664         replacement of CALL_EXPR.
11665
11666 2004-07-16  Richard Henderson  <rth@redhat.com>
11667
11668         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
11669         * gimple-low.c (expand_var_p): Don't check it.
11670         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
11671         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
11672         * tree-ssa-operands.c (add_stmt_operand): Likewise.
11673         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
11674         (find_referenced_vars): Don't call them.
11675         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
11676
11677 2004-07-16  Richard Henderson  <rth@redhat.com>
11678
11679         * function.c (pass_by_reference): True for all variable sized types.
11680
11681 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
11682
11683         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
11684         * tree-pretty-print.c: Include tree-chrec.h.
11685         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
11686         and POLYNOMIAL_CHREC nodes.
11687
11688 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
11689
11690         * builtins.c (expand_builtin_stpcpy): Do not create temporary
11691         reg with VOIDmode.
11692
11693 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
11694
11695         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
11696
11697 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
11698
11699         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
11700         to BASE_REGNUM.
11701         * config/s390/s390.c: Likewise.
11702         * config/s390/s390.h: Likewise.
11703
11704 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11705
11706         * config/mips/mips.md (addsi3, adddi3): Remove special handling
11707         of $sp adds.  Remove REGNO checks from mips16 patterns.
11708
11709 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11710
11711         * config/mips/mips.md: Delete outdated comment.
11712
11713 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11714
11715         * config/mips/mips.c (get_float_compare_codes): Delete.
11716         (mips_emit_compare): New function, mostly extracted from
11717         get_float_compare_codes and gen_conditional_branch.
11718         (gen_conditional_branch, gen_conditional_move): Use it.
11719
11720 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
11721
11722         * genautomata.c (add_vect): Speedup by using integers as
11723         bit-vectors for walking through the comb_vect and finding
11724         a match.
11725
11726 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11727
11728         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
11729         operand is an uns_arith_operand; use subtraction otherwise.
11730         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
11731         not just arith_operands.
11732
11733 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11734
11735         * config/mips/mips-protos.h (gen_int_relational): Delete.
11736         (mips_emit_scc): Declare.
11737         * config/mips/mips.c (internal_test): Delete.
11738         (sle_operand, sleu_operand): New functions.
11739         (map_test_to_internal_test, gen_int_relational): Delete.
11740         (mips_emit_binary, mips_relational_operand_ok_p)
11741         (mips_emit_int_relational, mips_zero_if_equal)
11742         (mips_emit_scc): New functions.
11743         (gen_conditional_branch): Rework to use mips_emit_int_relational.
11744         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
11745         sleu_operand.
11746         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
11747         (sltu, sleu): Use mips_emit_scc.
11748         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
11749         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
11750         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
11751
11752 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11753
11754         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
11755
11756 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11757
11758         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
11759         (*sne_[sd]i): Likewise sne_[sd]i_zero.
11760         (*sgt_[sd]i): ...and sgt_[sd]i.
11761         (*slt_[sd]i): ...and slt_[sd]i.
11762         (*sgtu_[sd]i): ...and sgtu_[sd]i.
11763         (*sltu_[sd]i): ...and sltu_[sd]i.
11764         (*sleu_[sd]i): ...and sleu_[sd]i_const.
11765         Name previously unnamed mips16 patterns.  Formatting fixes.
11766
11767 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11768
11769         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
11770         (branch_type): Delete.
11771         (gen_conditional_branch, gen_conditional_move)
11772         (mips_gen_conditional_trap): Update after name change.  Get the
11773         comparison mode from cmp_operands[0].
11774         * config/mips/mips.h (cmp_type, branch_type): Delete.
11775         (cmp_operands): Renamed from branch_cmp.
11776         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
11777         name change.  Don't set branch_type.
11778         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
11779         mode class of cmp_operands[0] rather than branch_type.  Update after
11780         name change.
11781
11782 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11783
11784         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
11785         of 0...255 to 0 when inside a SET.
11786
11787 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
11788
11789         * config/mips/mips.md: Remove mips16 define_peepholes.
11790
11791 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
11792
11793         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
11794         (fini_pre): Remove fake edges.
11795
11796 2004-07-15  Richard Henderson  <rth@redhat.com>
11797
11798         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
11799         (get_indirect_ref_operands, get_call_expr_operands): ... these.
11800
11801 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
11802
11803         * vec.h (VEC_address): New function.
11804
11805 2004-07-14  Jason Merrill  <jason@redhat.com>
11806
11807         PR middle-end/15885
11808         * gimplify.c (gimplify_arg): New fn, split out from...
11809         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
11810
11811 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
11812
11813         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
11814         generate code which is generated by pushqi1 now
11815         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
11816
11817 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
11818
11819         * combine.c (simplify_set): match the mode of the constant 0 with
11820         the tested operand to match the compare behaviour and the
11821         simplify_relational_operation() expectation.
11822
11823 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
11824
11825         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
11826         ("bordered"): Same.
11827
11828 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
11829
11830         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
11831         unconditionally.
11832         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
11833
11834 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
11835
11836         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
11837         calls in mips16 code.
11838
11839 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
11840
11841         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
11842         the destination of the li as well as for the neg.
11843
11844 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
11845
11846         g++/15861
11847         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
11848         * cgraph.h: Update declaration.
11849         * c-decl.c (build_cdtor): Update call with default priority.
11850         * coverage.c (create_coverage): Ditto.
11851         * tree-mudflap.c (mf_init_fndecl): New tree.
11852         (mudflap_init): Set it.
11853         (mudflap_register_call): Arrange to call __mf_init before the first
11854         __mf_register call.
11855         (mudflap_finish_file): Mark the mudflap static initializer as extra
11856         high priority, to beat all C++ static constructors.
11857
11858 2004-07-15  Jeff Law  <law@redhat.com>
11859
11860         * loop.c (check_insn_for_givs): Restore check for code labels that was
11861         accidentally deleted by a recent checkin.
11862
11863 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
11864
11865         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
11866         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
11867
11868 2004-07-14  Richard Henderson  <rth@redhat.com>
11869
11870         * print-tree.c (print_node): Fix casts last change.
11871
11872 2004-07-15  Paul Brook  <paul@codesourcery.com>
11873
11874         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
11875         to TARGET_UNWIND_INFO.
11876         * except.c (output_function_exception_table): Ditto.
11877         * except.h: Ditto.
11878         * opts.c (decode_options): Ditto.
11879         * passes.c (rest_of_handle_final): Ditto.
11880         * final.c (final_start_function): Ditto.
11881         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
11882         target hook.
11883         * targhooks.h (default_unwind_emit): Declare.
11884         * targhooks.c (default_unwind_emit): New function.
11885         * target-def.h: Define and use TARGET_UNWIND_EMIT.
11886         * target.h (struct gcc_target): Add unwind_emit.
11887         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
11888         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
11889         Remove IA64_UNWIND_EMIT.
11890         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
11891
11892 2004-07-14  Richard Henderson  <rth@redhat.com>
11893
11894         * print-tree.c (print_node): Handle SSA_NAME.
11895
11896 2004-07-14  James E Wilson  <wilson@specifixinc.com>
11897
11898         PR target/16325
11899         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
11900         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
11901
11902 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
11903
11904         * expr.c (expand_assignment): Reenable bitfield += optimizations.
11905         Use alias set 0 for memory, do proper mode calculations and adjust
11906         address for memories.
11907
11908 2004-07-14  Per Bothner  <per@bothner.com>
11909
11910         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
11911         structure with extra column field.
11912         * tree.c (expand_location):  Also fill in column field.
11913         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
11914         gets confused by the two conditionally-compiled definitions.
11915
11916 2004-07-14  Eric Christopher  <echristo@redhat.com>
11917
11918         * calls.c (expand_call): Fix typo in comment.
11919
11920 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
11921
11922         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
11923         comparision of TFmode.
11924
11925 2004-07-14  Richard Henderson  <rth@redhat.com>
11926
11927         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
11928         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
11929         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
11930         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11931         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11932         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
11933         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
11934         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11935         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11936
11937 2004-07-14  Mike Stump  <mrs@apple.com>
11938
11939         * config/darwin.h (WINT_TYPE): Define to be int to match
11940         system header files.
11941
11942 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
11943
11944         * config/xtensa/xtensa.c (function_arg_advance): Check for args
11945         that must be passed in the stack.
11946         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
11947         arguments if the size is not a constant.
11948
11949 2004-07-14  Per Bothner  <per@bothner.com>
11950
11951         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
11952         instead of EXPR_LOCUS in a boolean context, which is always true
11953         if --enable-mapped-location.
11954         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
11955
11956 2004-07-14  Richard Henderson  <rth@redhat.com>
11957
11958         * dominance.c (struct dom_info): Add fake_exit_edge.
11959         (init_dom_info): Allocate it.
11960         (free_dom_info): Free it.
11961         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
11962         in two passes.
11963         (calc_idoms): Honor fake_exit_edge.
11964
11965 2004-07-13  Jason Merrill  <jason@redhat.com>
11966
11967         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
11968         (rhs_test_for): New fn.
11969         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
11970         * tree-gimple.h: Declare them.
11971         * gimplify.c (gimplify_modify_expr): Use the new fns.
11972
11973 2004-07-14  Richard Henderson  <rth@redhat.com>
11974
11975         * config/arm/arm-protos.h (arm_va_arg): Remove.
11976         * config/arm/arm.c (arm_va_arg): Remove.
11977         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
11978         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
11979
11980 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11981
11982         * pa.c (fix_range): New function to mark a range(s) of registers as
11983         fixed registers.
11984         (override_options): Call fix_range if the -mfixed-range option string
11985         is not empty.
11986         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
11987         * doc/invoke.texi (-mfixed-range): Document new option.
11988
11989 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
11990
11991         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
11992         for TARGET_64BIT.
11993         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
11994
11995 2004-07-14  Roger Sayle  <roger@eyesopen.com>
11996
11997         * expmed.c (expand_sdiv_pow2): New function to expand signed division
11998         by a positive power of two, split out from expand_divmod.  Provide
11999         an alternate implementation when shifts are expensive.  Lower the
12000         threshold for using a branchless implementation to BRANCH_COST >= 2.
12001         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
12002
12003 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
12004
12005         * tree-dfa.c (make_rename_temp): *Really* work just
12006         like create_tmp_var if called while outside SSA form.
12007
12008 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
12009
12010         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
12011         for division by zero.
12012         ("umodsi3"): Likewise.
12013
12014 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
12015
12016         * config/mips/mips.c (mips_output_move): When generating mips16 code,
12017         force loads of negative constants to be split.
12018         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
12019         Generalize SImode li/neg splitter to cope with other modes.
12020
12021 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
12022
12023         * expmed.c: Remove more references to QUEUED in the comments.
12024         * expr.c: Likewise.
12025
12026 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
12027
12028         Revert:
12029         2004-07-13  Richard Henderson  <rth@redhat.com>
12030         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
12031         correctly.
12032
12033 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
12034
12035         * tree-dfa.c (make_rename_temp): Work just like
12036         create_tmp_var if called while outside SSA form.
12037
12038 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
12039
12040         * expr.c (enqueue_insn, finish_expr_for_function,
12041         protect_from_queue, queued_subexp_p, mark_queue,
12042         emit_insns_enqueued_after_mark, emit_queue,
12043         expand_increment): Remove.
12044         (store_constructor): Expand increment as an assignment.
12045         (expand_expr_real_1 <case PREINCREMENT_EXPR,
12046         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
12047         case POSTDECREMENT_EXPR>): Abort.
12048         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
12049         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
12050         protect_from_queue, emit_queue, queued_subexp_p): Remove.
12051         * function.h (pending_chain, x_pending_chain): Remove.
12052         * rtl.def (QUEUED): Remove.
12053
12054         * emit-rtl.c (copy_insn_1, copy_most_rtx,
12055         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
12056         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
12057         encode_units_mask): Likewise.
12058         * local-alloc.c (equiv_init_varies_p): Likewise.
12059         * rtl.c (copy_rtx): Likewise.
12060         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
12061         * simplify-rtx.c (simplify_gen_subreg): Likewise.
12062         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
12063
12064         * builtins.c (expand_builtin, expand_builtin_apply,
12065         expand_builtin_mathfn, expand_builtin_mathfn_2,
12066         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
12067         Remove calls to emit_queue and protect_from_queue.
12068         * calls.c (expand_call, precompute_arguments,
12069         precompute_register_parameters, rtx_for_function_call,
12070         store_one_arg): Likewise.
12071         * dojump.c (do_compare_and_jump, do_jump): Likewise.
12072         * explow.c (memory_address): Likewise.
12073         * expmed.c (clear_by_pieces_1, clear_storage,
12074         clear_storage_via_libcall, emit_group_load,
12075         emit_group_store, emit_store_flag,
12076         expand_expr_real_1, store_by_pieces,
12077         store_constructor, store_expr, try_casesi,
12078         try_tablejump): Likewise.
12079         * function.c (expand_pending_sizes): Likewise.
12080         * optabs.c (emit_cmp_and_jump_insns,
12081         emit_conditional_add, emit_conditional_move,
12082         expand_fix, expand_float, prepare_cmp_insn): Likewise.
12083         * stmt.c (emit_case_bit_tests,
12084         expand_asm_expr, expand_computed_goto,
12085         expand_decl_init, expand_end_case_type,
12086         expand_end_stmt_expr, expand_expr_stmt_value,
12087         expand_return, expand_start_case,
12088         optimize_tail_recursion): Likewise.
12089         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
12090         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
12091
12092 2004-07-14  Ben Elliston  <bje@au.ibm.com>
12093
12094         * vec.h: Comment fix.
12095
12096 2004-07-13  Richard Henderson  <rth@redhat.com>
12097
12098         * target.h (struct gcc_target): Add calls.pass_by_reference.
12099         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
12100         * function.c (pass_by_reference): Use the hook.
12101         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
12102         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
12103         (hook_pass_by_reference_must_pass_in_stack): New.
12104         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
12105         (alpha_pass_by_reference): New.
12106         (TARGET_PASS_BY_REFERENCE): New.
12107         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12108         * config/arc/arc.c (arc_pass_by_reference): New.
12109         (TARGET_PASS_BY_REFERENCE): New.
12110         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12111         (FUNCTION_ARG_CALLEE_COPIES): True.
12112         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
12113         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
12114         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
12115         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12116         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12117         * config/cris/cris.c (cris_pass_by_reference): New.
12118         (TARGET_PASS_BY_REFERENCE): New.
12119         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
12120         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
12121         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12122         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
12123         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12124         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
12125         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
12126         (frv_function_arg_pass_by_reference): Remove.
12127         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12128         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
12129         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
12130         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
12131         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12132         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
12133         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
12134         (ia64_pass_by_reference): Rename from
12135         ia64_function_arg_pass_by_reference.
12136         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12137         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12138         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
12139         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
12140         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
12141         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12142         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
12143         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
12144         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
12145         (m32r_pass_by_reference): Adjust prototype.  Make static.
12146         Handle mode sizes correctly.
12147         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12148         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
12149         (m68hc11_function_arg_pass_by_reference): Remove.
12150         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12151         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
12152         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
12153         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12154         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
12155         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
12156         (mips_va_arg): Use pass_by_reference.
12157         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
12158         Handle mode sizes correctly.
12159         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12160         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
12161         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
12162         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
12163         (mmix_pass_by_reference): Rename from
12164         mmix_function_arg_pass_by_reference.
12165         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12166         (FUNCTION_ARG_CALLEE_COPIES): True.
12167         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
12168         (mn10300_pass_by_reference): New.
12169         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12170         (FUNCTION_ARG_CALLEE_COPIES): True.
12171         * config/pa/pa.c (pa_pass_by_reference): New.
12172         (TARGET_PASS_BY_REFERENCE): New.
12173         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12174         (FUNCTION_ARG_CALLEE_COPIES): True.
12175         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
12176         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
12177         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
12178         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12179         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
12180         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
12181         (s390_pass_by_reference): Rename from
12182         s390_function_arg_pass_by_reference.
12183         (s390_function_arg_advance): Don't query pass-by-ref.
12184         (s390_function_arg): Likewise.
12185         (s390_gimplify_va_arg): Use pass_by_reference.
12186         (s390_call_saved_register_used): Likewise.
12187         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12188         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
12189         (shcompact_byref, sh_pass_by_reference): New.
12190         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12191         (SHCOMPACT_BYREF): Remove.
12192         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
12193         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
12194         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
12195         (sparc_gimplify_va_arg): Use pass_by_reference.
12196         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12197         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12198         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
12199         (v850_pass_by_reference): New.
12200         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12201         (FUNCTION_ARG_CALLEE_COPIES): True.
12202         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
12203         FUNCTION_ARG_PASS_BY_REFERENCE docs.
12204
12205 2004-07-14  Richard Henderson  <rth@redhat.com>
12206             Richard Sandiford  <rsandifo@redhat.com>
12207
12208         * config/mips/mips-protos.h (mips_va_arg): Delete.
12209         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
12210         * config/mips/mips.c: Include tree-gimple.h.
12211         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
12212         (mips_arg_info): Remove special handling of must_pass_in_stck args.
12213         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
12214         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
12215
12216 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
12217
12218         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
12219         arguments for COND_EXPR in big-endian adjustment code.
12220
12221 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12222
12223         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
12224         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
12225         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
12226         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
12227
12228 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
12229
12230         PR tree-optimization/16443
12231         * tree-ssa-alias.c: Add more description for
12232         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
12233         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
12234         clobbering of call-clobbered and addressable variables.  If
12235         there are any before aliases have been computed, add them.
12236
12237 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
12238
12239         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
12240         verification.
12241
12242 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
12243
12244         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
12245         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
12246         to the same type.
12247
12248 2004-07-13  Per Bothner  <per@bothner.com>
12249
12250         * collect2.c (main):  Handle --no-demangle and --demangle flags.
12251
12252 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
12253
12254         * Makefile.in (OBJS-common): Add tree-data-ref.o.
12255         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
12256         (tree-data-ref.o): New rule.
12257         * lambda.h: New file.
12258         * tree-data-ref.c: New file.
12259         * tree-data-ref.h: New file.
12260         * tree.c (int_cst_value, tree_fold_gcd): New functions.
12261         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
12262
12263 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12264
12265         PR target/13926
12266         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
12267         * config/sparc/sparc.c (output_ubranch): New function.
12268         * config/sparc/sparc.md (jump pattern): Use it.
12269
12270 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12271
12272         PR target/16494
12273         * config/sparc/sparc.c (output_cbranch): Properly guard
12274         the code handling far branches with TARGET_V9.
12275         * config/sparc/sparc.md (length attribute): Document the
12276         side-effect of having a length greater or equal to 3.
12277
12278 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12279             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
12280
12281         PR target/15186
12282         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
12283         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
12284
12285 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12286             Martin Sebor  <sebor@roguewave.com>
12287
12288         PR target/12602
12289         * doc/invoke.texi (SPARC options): Document -threads
12290         and -pthreads on Solaris.
12291
12292 2004-07-13  Richard Henderson  <rth@redhat.com>
12293
12294         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
12295         by reference.
12296         (ind_gimplify_va_arg_expr): Remove.
12297         * tree.h (ind_gimplify_va_arg_expr): Remove.
12298         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
12299         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
12300         argsp to be null.
12301
12302         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
12303         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
12304         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
12305         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
12306         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
12307
12308 2004-07-13  Richard Henderson  <rth@redhat.com>
12309
12310         * function.c (pass_by_reference): New.
12311         (assign_parm_find_data_types): Use it.
12312         * calls.c (initialize_argument_information): Likewise.
12313         (emit_library_call_value_1): Likewise.
12314         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
12315         * function.h (pass_by_reference): Declare.
12316
12317 2004-07-13  Richard Henderson  <rth@redhat.com>
12318
12319         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
12320         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
12321         * expr.h (MUST_PASS_IN_STACK): Remove.
12322         * system.h (MUST_PASS_IN_STACK): Poison.
12323         * tree.h (must_pass_in_stack_var_size): Declare.
12324         (must_pass_in_stack_var_size_or_pad): Declare.
12325         * calls.c (must_pass_in_stack_var_size): New.
12326         (must_pass_in_stack_var_size_or_pad): Rename from
12327         default_must_pass_in_stack.
12328         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
12329         (TARGET_MUST_PASS_IN_STACK): New.
12330         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
12331         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
12332         (TARGET_MUST_PASS_IN_STACK): New.
12333         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
12334         * config/frv/frv.c (frv_must_pass_in_stack): New.
12335         (TARGET_MUST_PASS_IN_STACK): New.
12336         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
12337         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
12338         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
12339         (ix86_must_pass_in_stack): Make static.
12340         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
12341         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
12342         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
12343         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
12344         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
12345         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
12346         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
12347         (mcore_must_pass_on_stack): Remove.
12348         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
12349         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
12350         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
12351         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
12352         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
12353         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
12354         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
12355         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
12356         (TARGET_MUST_PASS_IN_STACK): New.
12357         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
12358         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
12359         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
12360         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
12361         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
12362         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
12363         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
12364         MUST_PASS_IN_STACK.
12365
12366         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
12367         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
12368         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
12369         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
12370         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
12371         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
12372         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
12373         config/xtensa/xtensa.c: Use target hook.
12374
12375 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
12376
12377         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
12378         * configure: Rebuilt.
12379
12380 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
12381
12382         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
12383         * config/mips/mips.h (mips_reg_names): Don't declare.
12384         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
12385         (TARGET_NAME_REGS): Delete.
12386         (TARGET_SWITCHES): Remove -mrnames.
12387         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
12388         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
12389         in REGISTER_NAMES.
12390         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
12391         (override_options): Remove handling of TARGET_NAME_REGS.
12392
12393 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
12394
12395         * config/mips/mips.h (TARGET_*): Boolify.
12396
12397 2004-07-12  Nick Clifton  <nickc@redhat.com>
12398
12399         * config.gcc: Add sh-*-symbianelf target.
12400         * config/sh/sh.c: Add new target macros:
12401         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
12402         TARGET_CXX_IMPORT_EXPORT_CLASS.
12403         (sh_file_start): Create a definition of the .directive section.
12404         (sh_attribute): Add dllimport and dllexport attributes.
12405         * config/sh/symbian-pre.h: New file.
12406         * config/sh/symbian-post.h: New file.
12407         * config/sh/symbian.c: New file. Contains Symbian specific
12408         functions.
12409         * config/sh/sh-protos.h: Add prototypes for new functions
12410         provided by symbian.c.
12411         * config/sh/t-symbian: New file.
12412         * doc/extend.texi: Document support for dllimport and dllexport
12413         attributes by the sh-symbianelf target.
12414
12415 2004-07-12  James E Wilson  <wilson@specifixinc.com>
12416
12417         * Makefile.in (AR): Use @AR@ not ar.
12418         (NM): New.
12419         (AR_FOR_TARGET): Use $(AR) not ar for native.
12420         (NM_FOR_TARGET): Use $(NM) not nm for native.
12421         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
12422         * configure: Regenerate.
12423
12424 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
12425
12426         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
12427         special case.
12428         (ashldi3_sp64): Likewise.
12429
12430 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12431
12432         PR target/16477
12433         * pa.c (function_arg): Update comment.
12434         * pa.h (BLOCK_REG_PADDING): Define.
12435
12436 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12437
12438         PR tree-optimization/16461
12439         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
12440         arguments of phi nodes.
12441
12442 2004-07-12  Devang Patel  <dpatel@apple.com>
12443
12444         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
12445
12446 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
12447
12448         * function.c (expand_function_start): Ensure r_save is in Pmode.
12449         * calls.c (prepare_call_address): Ensure static_chain_value is
12450         in Pmode.
12451         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
12452         r_save_area are in Pmode.
12453         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
12454         fnaddr, and static_chain are in Pmode.
12455
12456 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
12457
12458         PR target/16445
12459         * config/ia64/ia64.c (bundling): Don't count ignored insns.
12460
12461 2004-07-12  Richard Henderson  <rth@redhat.com>
12462
12463         * target.h (struct gcc_target): Move gimplify_va_arg_expr
12464         next to build_builtin_va_list.
12465         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
12466         * builtins.c (gimplify_va_arg_expr): Likewise.
12467         * gimplify.c (copy_if_shared_r): Likewise.
12468
12469 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
12470
12471         * passes.c (rest_of_decl_compilation): Don't defer call of
12472         assemble_variable if its DECL_RTL is already set.
12473
12474 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
12475
12476         * cfgloop.h (struct loop): Add nb_iterations field.
12477         (current_loops): Declare.
12478         * tree-chrec.c (chrec_not_analyzed_yet,
12479         chrec_dont_know, chrec_known, count_ev_in_wider_type,
12480         chrec_contains_symbols_defined_in_loop): Remove the temporary
12481         hooks.
12482         * tree-flow-inline.h (loop_containing_stmt): New function.
12483         * tree-scalar-evolution.c: Add implementation.
12484         * tree-scalar-evolution.h: Add declarations.
12485
12486 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
12487
12488         PR rtl-optimization/15921
12489         * Makefile.in (global.o): Add recog.h.
12490
12491         * global.c (recog.h): Add the include-clause.
12492         (bb_info): New member earlyclobber.
12493         (allocate_bb_info, free_bb_info): Initialize/finish the new
12494         member.
12495         (earlyclobber_regclass, earlyclobber_regclass_length): The new
12496         global variables.
12497         (check_earlyclobber, regclass_intersect,
12498         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
12499         New functions.
12500         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
12501         (make_accurate_live_analysis): Modify pavin.
12502
12503 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
12504
12505         * tree-cfg.c (find_taken_edge): Statically compute the truth
12506         value of a predicate comparing an SSA_NAME to itself.
12507
12508 2004-07-12  Roger Sayle  <roger@eyesopen.com>
12509
12510         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
12511         rs6000 doesn't have shift-and-add or shift-and-sub instructions
12512         by returning the cost of a multiplication plus an addition.
12513
12514 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
12515
12516         PR tree-optimization/14107
12517         * gimplify.c (gimplify_return_expr): Accept a
12518         RETURN_EXPR with an error argument.
12519         * tree-optimize.c (init_tree_optimization_passes):
12520         Run pass_warn_function_return at -O0.
12521
12522 2004-07-12  Roger Sayle  <roger@eyesopen.com>
12523
12524         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
12525         index entry.
12526
12527 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
12528
12529         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
12530         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
12531         * config/mips/3000.md: Add copyright notice.  Remove automota and
12532         function units; use generic ones instead.  Only define reservations
12533         for things that are different from generic.md.  Extend each clause
12534         to include r3900.
12535         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
12536         * config/mips/mips.md: Include them. Remove define_function_units.
12537         (alu, imuldiv): New automata and units.
12538
12539 2004-07-12  Ben Elliston  <bje@au.ibm.com>
12540
12541         * doc/invoke.texi (Optimize Options): Document -frename-registers
12542         not being enabled by default at -O3.
12543
12544 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12545
12546         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
12547         floating point additions, to keep real immediate constant positive.
12548         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
12549         into X + C, and leave positive real constants as X - C.
12550
12551 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12552
12553         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
12554
12555 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12556
12557         PR tree-optimization/15654
12558         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
12559
12560 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12561
12562         * builtins.c (fold_builtin_fputs): Don't bother converting the
12563         return type to integer_type_node, as we've already checked that
12564         the result will be ignored.
12565
12566         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
12567         that signed addition, subtraction, multiplication, division,
12568         remainder, negation and absolute value may potentially trap.
12569
12570         * fold-const.c (fold_ignored_result): New function to strip
12571         non-side-effecting tree nodes from an expression whose result
12572         is ignored.
12573         (fold_convert): Call fold_ignored_result when casting a value
12574         to VOID_TYPE.
12575         (omit_one_operand):  Call fold_ignored_result on the "omitted"
12576         operand when building a COMPOUND_EXPR.
12577         (pedantic_omit_one_operand): Likewise.
12578         * tree.h (fold_ignored_result): Prototype here.
12579         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
12580         when we're going to ignore the result.
12581
12582 2004-07-11  Richard Henderson  <rth@redhat.com>
12583
12584         PR tree-opt/16383
12585         * tree-ssa-ccp.c (fold_stmt_r): Split out...
12586         * tree.c (fields_compatible_p, find_compatible_field): ... new.
12587         * tree.h (fields_compatible_p, find_compatible_field): Declare.
12588         * tree-sra.c (sra_hash_tree): Hash fields by offset.
12589         (sra_elt_eq): Use fields_compatible_p.
12590         (generate_one_element_ref): Use find_compatible_field.
12591
12592 2004-07-11  Richard Henderson  <rth@redhat.com>
12593
12594         PR tree-opt/16422
12595         * tree-sra.c (generate_one_element_init): New.
12596         (generate_element_init): Use it.
12597         (scalarize_init): Push/pop gimplify context around it.
12598         (find_new_referenced_vars_1, find_new_referenced_vars): New.
12599         * gimplify.c (gimplify_expr): Allow SSA_NAME.
12600
12601 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12602
12603         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
12604         combine.c's combine_insn_cost.
12605         * rtl.h (insn_rtx_cost): Prototype here.
12606         * combine.c (combine_insn_cost): Delete function.
12607         (combine_validate_cost): Update callers of combine_insn_cost to
12608         call insn_rtx_cost instead.
12609         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
12610         requesting the rtx_cost of call and/or jump instructions.
12611
12612         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
12613         rtx_cost directly.  Don't request/use the cost of call or jump
12614         instructions.  Return -1 if the cost of any instruction can't be
12615         determined (or the BB contains a function call).
12616         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
12617         -1 (i.e. can't determine the cost of any instruction or the basic
12618         block contains a subroutine call).
12619         (find_if_case_2): Likewise.
12620
12621 2004-07-11  Roger Sayle  <roger@eyesopen.com>
12622
12623         * rs6000.c (struct processor_costs): Change semantics of fields to
12624         include the COST_N_INSNS scaling, and update all initializers.
12625         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
12626         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
12627         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
12628         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
12629
12630 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12631
12632         * LANGUAGES: Remove obsolete information.
12633
12634 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
12635
12636         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
12637         SIGBUS signal frames, the PSW address points *to* the faulting
12638         instruction, not after it.
12639
12640 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
12641
12642         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
12643         added to TLS symbol addresses.
12644
12645 2004-07-11  Richard Henderson  <rth@redhat.com>
12646
12647         * expmed.c (init_expmed): Use stack-local structures for
12648         temporary rtl.  Don't recognize shifts.
12649
12650 2004-07-11  Richard Henderson  <rth@redhat.com>
12651
12652         * expr.c (store_expr): Don't fiddle subreg promotion for types
12653         with precision smaller than the mode.
12654
12655 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12656
12657         * tree.h (all_types_permanent): Remove.
12658
12659 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12660
12661         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
12662         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
12663         * langhooks.c (lhd_clear_binding_stack): Remove.
12664         * langhooks-def.h (lhd_clear_binding_stack,
12665         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
12666         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
12667         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
12668         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
12669         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
12670         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
12671         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
12672         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
12673         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
12674         * tree.h (poplevel): Don't declare.
12675         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
12676         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
12677         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
12678         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
12679         Remove.
12680
12681 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
12682
12683         PR tree-optimization/16437
12684         * c-common.c (shorten_compare): Don't mark result of conversion to
12685         narrower signed type as overflowing.
12686         * fold-const.c (decode_field_reference): Determine whether
12687         signedness comes from outer type using precision rather than size.
12688
12689 2004-07-11  Phil Edwards  <phil@codesourcery.com>
12690
12691         * configure.ac:  Alphabetize --enable-checking list, add
12692         missing valgrind entry.
12693         * configure:  Regenerate.
12694
12695 2004-07-11  Phil Edwards  <phil@codesourcery.com>
12696
12697         * doc/install.texi (Testing):  Fix syntax in "make check" example.
12698
12699 2004-07-10  James E Wilson  <wilson@specifixinc.com>
12700
12701         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
12702
12703 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12704
12705         PR rtl-optimization/16001
12706         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
12707         niter_expr.
12708
12709 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
12710
12711         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
12712
12713 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
12714             James Morrison  <phython@gcc.gnu.org>
12715
12716         * doc/contrib.texi (Contributors): Add gfortran contributors and
12717         fix a couple of typos.
12718
12719 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12720
12721         PR rtl-optimization/15387
12722         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
12723         to incoming args space correctly.
12724
12725 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12726
12727         * pa.c (output_indirect_call): Only use %r2 as the link register in
12728         indirect calls with the long PA 2.0 pc-relative branch.
12729
12730 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
12731
12732         * config/i386/i386.c (override_options): Pick a 64-bit CPU
12733         for the default tuning if TARGET_64BIT.
12734
12735 2004-07-10  Richard Henderson  <rth@redhat.com>
12736
12737         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
12738         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
12739
12740 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
12741
12742         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
12743         * expmed.c (store_bit_field, extract_bit_field): Remove last
12744         argument.
12745         * builtins.c (expand_builtin_signbit): Adjust callers.
12746         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
12747         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
12748         * ifcvt.c (noce_emit_move_insn): Likewise.
12749         * stmt.c (expand_return): Likewise.
12750         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
12751         store_field, expand_expr_real_1): Likewise.
12752
12753 2004-07-10  Richard Henderson  <rth@redhat.com>
12754
12755         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
12756
12757 2004-07-09  Mike Stump  <mrs@apple.com>
12758
12759         * config/darwin.c (no_dead_strip): Add.
12760         (HAVE_DEAD_STRIP): Add.
12761         (darwin_emit_unwind_label): Ensure that we don't dead code strip
12762         the .eh label.
12763
12764 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12765
12766         * tree-ssa-loop-im.c: New file.
12767         * Makefile.in (tree-ssa-loop-im.o): Add.
12768         * cfgloop.c (superloop_at_depth): New function.
12769         * cfgloop.h (superloop_at_depth): Declare.
12770         * common.opt (ftree-lim): New flag.
12771         * expr.c (array_ref_up_bound): New function.
12772         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
12773         * timevar.def (TV_LIM): New timevar.
12774         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
12775         computing immediate uses of a phi node.
12776         * tree-flow.h (struct tree_ann_common_d): Add aux field.
12777         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
12778         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
12779         * tree-pass.h (pass_lim): Declare.
12780         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
12781         functions.
12782         (pass_lim): New pass structure.
12783         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
12784         * tree.c (in_array_bounds_p): New function.
12785         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
12786         (in_array_bounds_p, array_ref_up_bound): Declare.
12787         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
12788         * doc/passes.texi (tree-ssa-loop-im.c): Document.
12789
12790 2004-07-09  Richard Henderson  <rth@redhat.com>
12791
12792         * builtins.c (expand_builtin_stpcpy): Don't modify len.
12793
12794         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
12795         with prejudice.
12796
12797 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
12798
12799         * flags.h: Delete redundant prototypes that are being generated
12800         in options.h from common.opt.
12801         * common.opt: Add in the expository comments formerly in flags.h.
12802
12803 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12804
12805         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
12806         available for use only when TARGET_MMX/_SSE is set, and check for
12807         variable argument function if any register count is non-zero.
12808         (function_arg): Correctly suppress repeated warnings for passing SSE
12809         vectors are arguments without SSE enabled.
12810         (ix86_function_arg_boundary): Without SSE enabled, the use of what
12811         would be SSE register modes does no longer influence the alignment.
12812
12813 2004-07-09  Richard Henderson  <rth@redhat.com>
12814
12815         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
12816         Always align upward to arg boundary.  Use size_in_bytes/round_up.
12817         Maintain type-correctness of constants.
12818         * stor-layout.c (round_up, round_down): Special-case powers of 2.
12819
12820 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
12821
12822         * config/sparc/sparc.c (*_costs): Scale instruction costs
12823         by COSTS_N_INSNS.
12824         (sparc_rtx_costs): Adjust as appropriate.
12825
12826 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12827
12828         * config/i386/mm3dnow.h: New.
12829         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
12830
12831 2004-07-09  Richard Henderson  <rth@redhat.com>
12832
12833         * simplify-rtx.c (simplify_const_relational_operation): Only
12834         look at bounds of scalar integers.
12835
12836 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12837
12838         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
12839
12840 2004-07-09  Andrew Pinski  <apinski@apple.com>
12841
12842         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
12843         always referenced.
12844         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
12845         UOBJC_METACLASS_decl.
12846
12847 2004-07-09  James E Wilson  <wilson@specifixinc.com>
12848
12849         PR target/16364
12850         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
12851         do return a parallel if hfa_mode == XFmode and mode == TImode.
12852
12853 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12854
12855         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
12856         permissible for unary plus.
12857
12858 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12859
12860         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
12861         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
12862         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
12863         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
12864         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
12865         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
12866         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
12867         (BUILTIN_xxxIMAX): New.
12868         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
12869         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
12870         BUILT_IN_PARITYIMAX.
12871
12872 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
12873
12874         * config/sparc/sparc.h (processor_costs): Define.
12875         (sparc_costs): Declare.
12876         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
12877         hypersparc_costs, sparclet_costs, ultrasparc_costs,
12878         ultrasparc3_costs): New.
12879         (sparc_override_options): Set sparc_costs as appropriate.
12880         (sparc_rtx_costs): Use sparc_costs instead of messy
12881         conditionals.
12882
12883 2004-07-09  Steven Bosscher  <stevenb@suse.de>
12884
12885         * doc/md.texi (Processor pipeline description): Mention that
12886         the old pipeline description is deprecated.
12887
12888         * config/rs6000/7450.md (automaton ppc7450): Split up, move
12889         mciu_7450 function unit to...
12890         (automaton ppc7450mciu): ...new automaton.
12891
12892         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
12893         (schedule_block): Don't consider inserting bubbles.
12894         (sched_init): Don't initialize DFA bubbles.
12895         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
12896         TARGET_SCHED_DFA_BUBBLE): Remove.
12897         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
12898         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
12899         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
12900
12901         * stmt.c (conditional_context): Remove prototype.
12902         * tree.h (conditional_context): Remove.
12903         * tree-cfg.c (pre_insert_on_edge): Remove.
12904
12905         * c-common.h (c_expand_asm_operands): Remove prototype.
12906         * c-typeck.c (c_expand_asm_operands): Remove.
12907
12908 2004-07-09  Jan Beulich  <jbeulich@novell.com>
12909
12910         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
12911         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
12912         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
12913         and V8QI are class SSE. All sufficiently small remaining vector modes
12914         must be passed in one or two integer registers.
12915         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
12916         returned in memory.
12917         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
12918         __builtin_ia32_pmuludq128 have non-uniform argument and return types
12919         and must thus be handled explicitly.
12920         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
12921         MMX and XMM regs.
12922         (movv8qi_internal, movv4hi_internal, movv2si_internal,
12923         movv2sf_internal): Permit moving between MMX and XMM registers (since
12924         MMX areguments and return values are passed in XMM registers).
12925         (sse2_umulsidi3): Correct type and mode.
12926
12927 2004-07-09  Richard Henderson  <rth@redhat.com>
12928
12929         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
12930
12931 2004-07-09  Eric Christopher  <echristo@redhat.com>
12932
12933         * config/rs6000/40x.md: Split into two automatons.
12934
12935 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
12936             Andrew Pinski  <apinski@apple.com>
12937
12938         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
12939         on when we have more than one input file.
12940         (c_common_parse_file): Restore loop over all input files.
12941         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
12942
12943         * c-decl.c (set_type_context): New function.
12944         (pop_scope): Use it to set context of types.  When we
12945         encounter a TYPE_DECL, set the context of the attached type too.
12946         (pop_file_scope): Don't call cpp_undef_all here.
12947         (diagnose_mismatched_decls): Do not complain about a second
12948         definition of an 'extern inline' function if it's not in the
12949         same translation unit.  Do not complain about inline
12950         declaration after use if the use was in a different
12951         translation unit.
12952         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
12953         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
12954         the external scope.
12955         (pushdecl_top_level): Likewise.
12956         (grokdeclarator): Clarify what is going on with setting
12957         DECL_EXTERNAL on function types, a little.
12958         (c_write_global_declarations): Don't do anything if
12959         -fsyntax-only or errors have been encountered.
12960
12961 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
12962
12963         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
12964
12965 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12966
12967         PR target/16459
12968         * pa.c (output_indirect_call): Use %r2 as the link register when
12969         calling $$dyncall with a pc-relative branch.
12970
12971 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
12972
12973         * doc/install.texi (Binaries): Mention OpenPKG.
12974
12975 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
12976
12977         Fix PR tree-optimization/15555
12978         * tree-dfa.c (dump_variable): If the variable is a pointer
12979         SSA_NAME, also dump its points-to information.
12980         * tree-flow.h (struct ptr_info_def): Add field
12981         is_dereferenced.
12982         (dump_points_to_info_for): Declare.
12983         (debug_points_to_info_for): Declare.
12984         * tree-optimize.c (init_tree_optimization_passes): Add a
12985         second alias analysis pass after DOM2.
12986         Move pass_del_pta to a later spot.
12987         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
12988         create a name tags when we find a dereferenced pointer.  Just
12989         mark the pointer dereferenced.
12990         (collect_points_to_info_for): Move code to clear points-to
12991         information to create_name_tags.
12992         (create_name_tags): New function.
12993         (compute_flow_sensitive_aliasing): Call it.
12994         (setup_pointers_and_addressables): Mark type tags for renaming
12995         here instead of ...
12996         (create_memory_tag): ... here.
12997         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
12998         (dump_points_to_info_for): Declare extern.
12999         (debug_points_to_info_for): New function.
13000
13001 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
13002
13003         * config/arc/arc.md: Switch to DFA-based scheduler description.
13004         * config/arc/arc.c: Switch to DFA-based scheduler description.
13005
13006 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
13007
13008         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
13009         pointer.
13010
13011 2004-07-09  Richard Henderson  <rth@redhat.com>
13012
13013         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
13014         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13015         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
13016         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
13017
13018         * config/v850/v850-protos.h (v850_va_arg): Remove.
13019         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13020         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
13021         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
13022         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
13023         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
13024
13025 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
13026
13027         PR target/12133
13028         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
13029         and DImode to use +/-4k offset.
13030
13031 2004-07-09  Richard Henderson  <rth@redhat.com>
13032
13033         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
13034         Remove.
13035         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13036         (xstormy16_gimplify_va_arg_expr): Rewrite from
13037         xstormy16_expand_builtin_va_arg.
13038         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
13039
13040         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
13041         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
13042
13043         * config/sh/sh-protos.h (sh_va_arg): Remove.
13044         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13045         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
13046         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
13047
13048         * config/pa/pa-protos.h (hppa_va_arg): Remove.
13049         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13050         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
13051         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
13052
13053         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
13054         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13055         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
13056         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
13057
13058 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
13059
13060         * config/sparc/sparc.md (return): Rewrite length formula.
13061         * config/sparc/sparc.c (output_return): Pass 1 as 5th
13062         argument to final_scan_insn when in a delay slot.
13063         (output_sibcall): Likewise.
13064
13065 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
13066
13067         * arm.c (arm_cpp_interwork): New variable.
13068         (arm_override_options): Set it if TARGET_INTERWORK was on the command
13069         line.
13070         * arm.h (arm_cpp_interwork): Declare it.
13071         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
13072         __THUMB_INTERWORK__ in the preprocessor.
13073
13074 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
13075
13076         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
13077
13078 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
13079
13080         PR target/16416
13081         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
13082         Override default settings to account for -m32 and -m64.
13083
13084 2004-07-08  Randolph Chung  <tausq@debian.org>
13085
13086         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
13087
13088 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
13089
13090         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
13091         before comparing it as such.
13092
13093 2004-07-08  Richard Henderson  <rth@redhat.com>
13094
13095         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
13096         temporary.  Use bit arithmetic to align.
13097
13098 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
13099
13100         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
13101         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
13102         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
13103         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
13104         add_labels_and_missing_jumps, find_jump_block,
13105         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
13106         Likewise.
13107         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
13108         link_btr_uses, move_btr_def): Likewise.
13109         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
13110         expand_builtin_expect_jump): Likewise.
13111         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
13112         * calls.c (expand_call, emit_library_call_value_1): Likewise.
13113         * cfganal.c (forwarder_block_p): Likewise.
13114         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
13115         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
13116         find_bb_boundaries): Likewise.
13117         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
13118         merge_blocks_move_predecessor_nojumps,
13119         merge_blocks_move_successor_nojumps, insns_match_p,
13120         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
13121         try_optimize_cfg): Likewise.
13122         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
13123         * cfglayout.c (skip_insns_after_block, label_for_bb,
13124         record_effective_endpoints, insn_locators_initialize,
13125         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
13126         * cfgmainloop.c (create_loop_notes): Likewise.
13127         * cfgrtl.c (delete_insn, delete_insn_chain,
13128         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
13129         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
13130         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
13131         redirect_branch_edge, force_nonfallthru_and_redirect,
13132         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
13133         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
13134         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
13135         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
13136         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
13137         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
13138         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
13139         * combine.c (combine_instructions, can_combine_p, try_combine,
13140         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
13141         distribute_notes, distribute_links, insn_cuid): Likewise.
13142         * cse.c (fold_rtx, cse_insn, cse_around_loop,
13143         invalidate_skipped_block, cse_set_around_loop,
13144         cse_end_of_basic_block, cse_main, cse_basic_block,
13145         cse_condition_code_reg): Likewise.
13146         * cselib.c (cselib_process_insn): Likewise.
13147         * ddg.c (create_ddg): Likewise.
13148         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
13149         Likewise.
13150         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
13151         gen_label_die, dwarf2out_var_location): Likewise.
13152         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
13153         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
13154         last_call_insn, active_insn_p, next_label, prev_label,
13155         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
13156         add_insn_before, remove_insn, add_function_usage_to,
13157         reorder_insns, find_line_note, remove_unnecessary_notes,
13158         emit_insn_after_1, classify_insn): Likewise.
13159         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
13160         connect_post_landing_pads, sjlj_mark_call_sites,
13161         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
13162         can_throw_internal, can_throw_external, set_nothrow_function_flags,
13163         convert_to_eh_region_ranges): Likewise.
13164         * explow.c (optimize_save_area_alloca): Likewise.
13165         * expr.c (expand_expr_real): Likewise.
13166         * final.c (insn_current_reference_address, compute_alignments,
13167         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
13168         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
13169         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
13170         propagate_block_delete_insn, propagate_one_insn,
13171         init_propagate_block_info, propagate_block, libcall_dead_p,
13172         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
13173         Likewise.
13174         * function.c (instantiate_virtual_regs, reorder_blocks_1,
13175         expand_function_start, expand_function_end, contains,
13176         thread_prologue_and_epilogue_insns,
13177         reposition_prologue_and_epilogue_notes): Likewise.
13178         * gcse.c (constprop_register, bypass_conditional_jumps,
13179         insert_insn_end_bb, gcse_after_reload): Likewise.
13180         * genemit.c (gen_expand, gen_split): Likewise.
13181         * genpeep.c (gen_peephole, main): Likewise.
13182         * global.c (build_insn_chain): Likewise.
13183         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
13184         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
13185         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
13186         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
13187         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
13188         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
13189         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
13190         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
13191         dead_or_predicable): Likewise.
13192         * integrate.c (try_constants): Likewise.
13193         * jump.c (rebuild_jump_labels, cleanup_barriers,
13194         purge_line_number_notes, init_label_info, mark_all_labels,
13195         squeeze_notes, get_label_before, get_label_after,
13196         reversed_comparison_code_parts, simplejump_p, pc_set,
13197         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
13198         delete_barrier, delete_prior_computation, delete_computation,
13199         delete_related_insns, delete_for_peephole, redirect_jump):
13200         Likewise.
13201         * lcm.c (optimize_mode_switching): Likewise.
13202         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
13203         Likewise.
13204         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
13205         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
13206         * loop-iv.c (simplify_using_assignment): Likewise.
13207         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
13208         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
13209         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
13210         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
13211         check_insn_for_givs, check_final_value, update_giv_derive,
13212         basic_induction_var, product_cheap_p, check_dbra_loop,
13213         loop_insn_first_p, last_use_this_basic_block,
13214         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
13215         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
13216         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
13217         sms_schedule_by_order): Likewise.
13218         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
13219         * postreload.c (reload_cse_simplify_operands, reload_combine,
13220         reload_cse_move2add): Likewise.
13221         * predict.c (can_predict_insn_p, estimate_probability,
13222         expected_value_to_br_prob, process_note_predictions): Likewise.
13223         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
13224         * profile.c (branch_prob): Likewise.
13225         * ra-build.c (live_out_1, livethrough_conflicts_bb,
13226         detect_webs_set_in_cond_jump): Likewise.
13227         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
13228         ra_print_rtl_with_bb): Likewise.
13229         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
13230         * recog.c (next_insn_tests_no_inequality, find_single_use,
13231         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
13232         * reg-stack.c (next_flags_user, record_label_references,
13233         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
13234         compensate_edge, convert_regs_1): Likewise.
13235         * regclass.c (scan_one_insn): Likewise.
13236         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
13237         regmove_optimize, fixup_match_1, single_set_for_csa,
13238         combine_stack_adjustments_for_block): Likewise.
13239         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
13240         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
13241         find_equiv_reg): Likewise.
13242         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
13243         reload_as_needed, emit_input_reload_insns, do_output_reload,
13244         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
13245         Likewise.
13246         * reorg.c (find_end_label, emit_delay_sequence,
13247         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
13248         get_jump_flags, rare_destination, mostly_true_jump,
13249         try_merge_delay_insns, redundant_insn, own_thread_p,
13250         fill_simple_delay_slots, fill_slots_from_thread,
13251         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
13252         dbr_schedule): Likewise.
13253         * resource.c (find_basic_block, next_insn_no_annul,
13254         find_dead_or_set_registers, mark_target_live_regs): Likewise.
13255         * rtl.h (RTX_PREV): Likewise.
13256         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
13257         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
13258         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
13259         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
13260         tablejump_p, computed_jump_p, insns_safe_to_move_p,
13261         find_first_parameter_load, can_hoist_insn_p): Likewise.
13262         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
13263         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
13264         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
13265         schedule_ebbs): Likewise.
13266         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
13267         is_conditionally_protected, can_schedule_ready_p,
13268         add_branch_dependences, debug_dependencies): Likewise.
13269         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
13270         Likewise.
13271         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
13272         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
13273         set_dominates_use, ujump_to_loop_cont): Likewise.
13274         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
13275         * varasm.c (output_constant_pool_1): Likewise.
13276
13277 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13278
13279         * tree-scalar-evolution.c: New file.
13280         * tree-scalar-evolution.h: New file.
13281         * tree-ssa-loop-niter.c: New file.
13282         * Makefile.in (SCEV_H): New.
13283         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
13284         * cfgloop.h (struct loop): Add bounds field.
13285         * tree-flow.h (struct tree_niter_desc): New type.
13286         (number_of_iterations_cond, number_of_iterations_exit,
13287         loop_niter_by_eval, find_loop_niter_by_eval,
13288         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
13289         free_numbers_of_iterations_estimates): Declare.
13290         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
13291         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
13292         * doc/invoke.texi (max-iterations-to-track): Document.
13293
13294 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
13295
13296         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
13297         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
13298         (MODE_AFTER): Add cast appropriately.
13299         * config/sh/sh.md (movdi splitter): Likewise.
13300         (casesi_worker_2): Add const qualifier appropriately.
13301         (eh_return): Remove unused variable.
13302         (insv): Initialize v;
13303
13304 2004-07-08  Richard Henderson  <rth@redhat.com>
13305
13306         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
13307         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13308         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
13309         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
13310         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
13311
13312         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
13313         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13314         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
13315         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
13316
13317         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
13318         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13319         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
13320         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
13321
13322         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
13323         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13324         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
13325         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
13326
13327         * config/i860/i860-protos.h (i860_va_arg): Remove.
13328         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13329         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
13330         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
13331
13332 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
13333
13334         * system.h: Prototype getpagesize if missing.
13335         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
13336         * configure: Regenerate.
13337         * config.in: Regenerate.
13338
13339 2004-07-08  Richard Henderson  <rth@redhat.com>
13340
13341         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
13342         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13343         (fr30_gimplify_va_arg_expr): New.
13344         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
13345         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
13346
13347 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
13348
13349         PR target/16414
13350         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
13351         of asm_noperands result.
13352
13353 2004-07-08  Richard Henderson  <rth@redhat.com>
13354
13355         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
13356         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13357         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
13358         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
13359
13360 2004-07-08  Richard Henderson  <rth@redhat.com>
13361
13362         * builtins.c (ind_gimplify_va_arg_expr): New.
13363         * tree.h (ind_gimplify_va_arg_expr): Declare.
13364         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
13365
13366 2004-07-08  Jan Beulich  <jbeulich@novell.com>
13367
13368         * expmed.c (extract_bit_field): Correct condition to use vec_extract
13369         patterns also on vector elements other than the first one.
13370         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
13371         break statements.
13372
13373 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
13374
13375         * config/rs6000/darwin-ldouble.c: Correct reference
13376         to the Linnainmaa paper.
13377
13378 2004-07-08  Richard Henderson  <rth@redhat.com>
13379
13380         * config/arc/arc-protos.h (arc_va_arg): Remove.
13381         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13382         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
13383         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
13384
13385         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
13386         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
13387         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
13388         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
13389
13390 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13391
13392         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
13393
13394 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
13395
13396         * c-decl.c (static_ctors, static_dtors): Make static.
13397         (pop_file_scope): Call c_common_write_pch and
13398         cgraph_finalize_compilation_unit here.
13399         (build_cdtor): Moved here from c-objc-common.c; simplify.
13400         (c_write_global_declarations_1): Clarify comment.
13401         (c_write_global_declarations): Close the external scope before
13402         doing anything else.  Call build_cdtor, cgraph_optimize, and
13403         mudflap_finish_file here.
13404         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
13405         Clarify comment.
13406         * c-objc-common.c: No need to include cgraph.h.
13407         (build_cdtor): Moved to c-decl.c.
13408         (c_objc_common_finish_file): Delete.
13409         * c-tree.h: Update to match.
13410         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
13411         (generate_static_references): Set TREE_USED before calling finish_decl.
13412         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
13413         on the static_instances_decl.
13414
13415 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
13416
13417         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
13418         decls when there is only one input translation unit.
13419         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
13420         change of 2004-07-05; do not treat declarations with
13421         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
13422         * opts.c (cur_in_fname): Delete.
13423         * opts.h: Likewise.
13424         * tree.c: Revert changes of 2004-07-05; no special treatment
13425         for TRANSLATION_UNIT_DECLs.
13426         * Makefile.in (tree.o): Update dependencies.
13427
13428 2004-07-08  Roger Sayle  <roger@eyesopen.com>
13429
13430         * builtins.c (fold_builtin_strcpy): Merge functionality from
13431         simplify_builtin_strcpy.  Add additional len argument.  No longer
13432         static.  Remove function prototype.
13433         (fold_builtin_strncpy): Likewise integrate functionality from
13434         simplify_builtin_strncpy.  Add additional slen argument.  No
13435         longer static.  Remove function prototype.
13436         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
13437         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
13438         types of "ignore" and "unlocked" parameters to bool.
13439         (fold_builtin_1):  Add additional ignore argument.  Call renamed
13440         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
13441         builtins.  Update arguments to fold_builtin_strncpy and
13442         fold_builtin_strcpy.  Add function prototype.
13443         (fold_builtin): Add additional Boolean ignore argument to pass
13444         to fold_builtin_1.
13445         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
13446         and fold_builtin_strncpy instead of simplify_builtin_fputs,
13447         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
13448
13449         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
13450         simplify_builtin_strncpy): Delete function prototypes.
13451         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
13452         fold_builtin_strncpy): Add function prototypes here.
13453         (fold_builtin): Update function prototype with new "bool ignore".
13454
13455         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
13456         (ccp_fold_builtin):  Update call to fold_builtin.  Call
13457         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
13458         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
13459         simplify_builtin_strncpy respectively.
13460         * fold-const.c (fold): Update call to fold_builtin.
13461
13462 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
13463
13464         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
13465         to strcpy.
13466
13467         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
13468         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
13469         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
13470         * calls.c: Remove ifdefs of macros above.
13471         * functions.c: Likewise.
13472         * expr.c: Likewise.
13473
13474 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13475
13476         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
13477         (arch attribute): Delete.
13478         (current_function_calls_alloca attribute): Rename into calls_alloca.
13479         (calls_eh_return): New attribute.
13480         (leaf_function): Likewise.
13481         (length attribute): Fix formula for sibcalls.
13482         (return insn): Correctly compute the 'length' attribute.
13483         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
13484
13485 2004-07-08  Richard Henderson  <rth@redhat.com>
13486
13487         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
13488         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
13489         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
13490         * tree-eh.c (lower_eh_constructs_1): Likewise.
13491         * tree-sra.c (sra_walk_modify_expr): Likewise.
13492         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
13493         (eliminate_unnecessary_stmts): Likewise.
13494         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
13495         * tree-tailcall.c (optimize_tail_call): Likewise.
13496         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
13497
13498 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13499             Jakub Jelinek  <jakub@redhat.com>
13500
13501         * config/i386/i386.c (override_options): Enable
13502         SSE prefetches with -mtune, as long as we are
13503         compiling for i686 or higher.  All i686 processors
13504         accept SSE prefetches as NOPS, some i586's don't.
13505
13506 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13507
13508         PR target/10567
13509         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
13510
13511 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
13512
13513         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
13514         the handling of clobbering ASM_EXPRs.
13515
13516 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13517
13518         PR target/16430
13519         * config/sparc/sparc.c (function_value): In 64-bit mode,
13520         return the aggregates larger than 16 bytes like unions.
13521
13522 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13523
13524         PR target/16199
13525         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
13526         'temp' is zero, generate new pseudos as needed and emit the
13527         sequence of insns in single-assignment form.  Resync comments
13528         with code.
13529         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
13530         function before reload.
13531
13532 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
13533
13534         * vec.c (vec_assert_fail): Remove duplicate 'function'.
13535
13536         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
13537
13538         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
13539         Allocation is signed.
13540         (VEC_reserve): Return flag, allocation is signed.
13541
13542 2004-07-08  Richard Henderson  <rth@redhat.com>
13543
13544         * tree-ssa-ccp.c (fold_stmt): Get type directly from
13545         OBJ_TYPE_REF_OBJECT.
13546
13547 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
13548             Neil Booth  <neil@daikokuya.co.uk>
13549
13550         PR c/2511
13551         PR c/3325
13552         * c-decl.c (finish_struct): Ensure bit-fields are given the
13553         correct type.
13554         * c-common.c (c_common_signed_or_unsigned_type): For C, require
13555         the precision to match as well as the mode.
13556         * expr.c (reduce_to_bit_field_precision): New function.
13557         (expand_expr_real_1): Reduce expressions of bit-field type to
13558         proper precision.
13559         * langhooks.h (reduce_bit_field_operations): New hook.
13560         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
13561         Define.
13562         * c-lang.c, objc/objc-lang.c
13563         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
13564         * objc/objc-act.c (check_ivars): Convert types to bit-field types
13565         before checking.
13566         * tree.c (build_nonstandard_integer_type): New function.
13567         * tree.h (build_nonstandard_integer_type): New prototype.
13568         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
13569         conversions between integer and boolean types as useless.
13570
13571 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13572
13573         * c-common.c (c_common_nodes_and_builtins): Do not
13574         create __builtin_ptrdiff_t and __builtin_size_t.
13575
13576 2004-07-08  Andrew Pinski  <apinski@apple.com>
13577
13578         * Makefile.in (libbackend.o): Add -combine to the gcc
13579         command line.
13580
13581 2004-07-08  Nick Clifton  <nickc@redhat.com>
13582
13583         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
13584         Set to -Os.
13585
13586 2004-07-08  Richard Henderson  <rth@redhat.com>
13587
13588         * except.c (expand_eh_region_start, expand_eh_region_end,
13589         expand_eh_handler, expand_eh_region_end_cleanup,
13590         expand_start_all_catch, expand_start_catch, expand_end_catch,
13591         expand_end_all_catch, expand_eh_region_end_allowed,
13592         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
13593         expand_eh_region_end_fixup): Remove.
13594         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
13595         cleanups, outer_cleanups, label_chain, exception_region.
13596         (struct goto_fixup): Remove stack_level, cleanup_list_list.
13597         (struct label_chain): Remove.
13598         (struct stmt_status): Remove x_stack_block_stack.
13599         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
13600         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
13601         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
13602         end_cleanup_deferral, last_cleanup_this_contour,
13603         containing_blocks_have_cleanups_or_stack_level,
13604         any_pending_cleanups): Remove.
13605         (expand_null_return_1): Take no arguments.
13606         (expand_label, expand_naked_return, expand_return,
13607         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
13608         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
13609         expand_end_case_type): Don't use any of them.
13610         * calls.c (expand_call): Likewise.
13611         * dojump.c (do_jump): Likewise.
13612         * function.c (expand_function_end): Likewise.
13613         * expr.c (store_expr, expand_expr_real_1): Likewise.
13614         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
13615         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
13616         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
13617         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
13618         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
13619         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
13620         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
13621         for WITH_CLEANUP_EXPR.
13622         (gimple_push_cleanup): Likewise.
13623         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
13624         * print-tree.c (print_node): Likewise.
13625         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
13626         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
13627         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
13628         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
13629         (GOTO_SUBROUTINE_EXPR): Remove.
13630         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
13631         (DECL_TOO_LATE): Remove.
13632         * except.h, tree.h: Update decls.
13633
13634 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
13635
13636         * explow.c (optimize_save_area_alloca): Do not accept parameters.
13637         * passes.c (rest_of_handle_final): Handle symout.
13638         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
13639         Push timevar here.
13640         (rest_of_handle_sched): Break out SMS.  Remove ifs for
13641         flag_schedule_insns and flag_modulo_sched.
13642         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
13643         collect at the end.
13644         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
13645         (rest_of_handle_partition_blocks, rest_of_handle_sms,
13646         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
13647         rest_of_handle_mode_switching, rest_of_handle_jump,
13648         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
13649         rest_of_handle_jump2, rest_of_handle_postreload,
13650         rest_of_handle_flow2, rest_of_clean_state,
13651         rest_of_handle_shorten_branches,
13652         rest_of_handle_prologue_epilogue,
13653         rest_of_handle_branch_target_load_optimize): New.
13654         (rest_of_compilation): Call the above.  Remove ggc_collect
13655         calls moved to rest_of_handle_*.
13656         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
13657
13658         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
13659         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
13660         * except.h (set_nothrow_function_flags): Update comment.
13661         * function.c (current_function_nothrow): Remove.
13662         * output.h (current_function_nothrow): Remove.
13663         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
13664         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
13665
13666 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
13667
13668         PR bootstrap/16326
13669         * reorg.c: Revert 2004-06-30 change.
13670         (find_end_label): If HAVE_epilogue and !HAVE_return,
13671         return 0 instead of creating a label at the end of the insn chain.
13672         (optimize_skip): Account for the failure mode of find_end_label.
13673         (fill_simple_delay_slots): Likewise.
13674         (fill_slots_from_thread): Likewise.
13675         (relax_delay_slots): Likewise.
13676
13677 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
13678
13679         * tree-flow.h (addressable_vars): Declare.
13680         * tree-ssa-alias.c (addressable_vars): Define.
13681         (setup_pointers_and_addressables): Add addressable variables
13682         to addressable_vars.
13683         * tree-ssa-operands.c (get_stmt_operands): Move
13684         handling of ASM_EXPRs ...
13685         (get_asm_expr_operands): ... here.
13686         When the ASM_EXPR clobbers memory, also clobber addressable
13687         variables.
13688         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
13689         (delete_tree_ssa): Reset addressable_vars.
13690
13691 2004-07-07  Jan Beulich  <jbeulich@novell.com>
13692             Richard Henderson  <rth@redhat.com>
13693
13694         * varasm.c (assemble_variable): Use assemble_zeros for
13695         zero-initialized variables.
13696         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
13697         for SECCAT_BSS and SECCAT_TBSS.
13698
13699 2004-07-07  Jan Beulich  <jbeulich@novell.com>
13700
13701         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
13702
13703         * expmed.c (emit_store_flag): Also special-case double-word
13704         (in-)equality comparison against -1.
13705
13706         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
13707         passing arguments the containers for which are registers.
13708
13709         * calls.c (emit_library_call_value_1): Use mode of function parameter
13710         rather than that of argument since constants have none.
13711
13712 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
13713
13714         Introduce H8SX support.
13715         * expr.c (expand_strcpy): Renamed and moved to...
13716         * builtins.c (expand_movstr): ... here.  Tweak.
13717         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
13718         computed or has side effects.
13719         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
13720         unused, or if mempcpy fails.  Adjust the return value in the
13721         latter case.  Use movstr if everything else fails.
13722         * doc/md.texi (movstr): Document.
13723         (movmemM, clrmemM): Fix explanation of memory block operands.
13724         * config/h8300/h8300.md (stpcpy): Renamed to...
13725         (movstr): ... this.  Adjust.
13726         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
13727         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
13728         movmem* and clrstr* to clrmem*.
13729         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
13730         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
13731         GENERAL_REGS, always.
13732         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
13733         getting the stack pointer as addr.
13734         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
13735         from general_operand_dst.
13736         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
13737         variant of...
13738         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
13739         instead of requiring it to match only before reload.
13740         (stpcpy_internal_normal): New, normal-mode variant of...
13741         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
13742         `D' instead of requiring it to match only before reload.
13743         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
13744         mode argument.
13745         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
13746         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
13747         h8300_get_index.
13748         * config/h8300/h8300.md (attr type): Add call.
13749         (attr can_delay): If type is call, set it no.
13750         (call, call_value): Set type to call.
13751         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
13752         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
13753         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
13754         * tree.c (get_narrower): Don't narrow integral types into
13755         non-integral types.
13756         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
13757         frame_size *before* the first use.
13758         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
13759         on input.
13760         (peephole2): Don't widen instructions that push SP.  Move
13761         decrement of SP to the end of all stm-generating peepholes.
13762         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
13763         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
13764         and OR to set it to all ones.
13765         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
13766         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
13767         (call, call_value): Set can_delay to "no".
13768         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
13769         * config/h8300/h8300.md (extzv): Make subreg check more robust.
13770         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13771         * config/h8300/h8300.md (*brabit): Remove.
13772         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
13773         zero_extract.  Use bit_memory_operand as the predicate for
13774         operand 1 and 'WU' as the constraint.  Check the difference
13775         between the base length and the final one when deciding which
13776         type of branch to use.
13777         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13778         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
13779         Use convert_move to extend the result for TARGET_H8300SX.  Check
13780         for QImode memory references.  Optimize the case where the
13781         destination is a paradoxical subreg.
13782         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13783         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
13784         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
13785         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
13786         * config/h8300/h8300.md: Include mova.md
13787         (length_table): Add mova and mova_zero.
13788         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
13789         after all constant addresses for '%R', '%X', '%T' and '%S'.
13790         (h8300_mova_length): New function.
13791         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
13792         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
13793         dependencies for s-config, etc.
13794         * config/h8300/gemova.sh: New file.
13795         * config/h8300/mova.md: Generated.
13796         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
13797         * config/h8300/h8300.c (h8300_bitfield_length): New.
13798         (nibble_operand): Adjust.
13799         (h8300_binary_length): Handle conditional binary op.
13800         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
13801         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
13802         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
13803         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
13804         constraints.  WU is introduced as a variant of U that requires a
13805         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
13806         * config/h8300/h8300.md (attr type): Added bitbranch.
13807         (attr length_table): Added bitfield and bitbranch.
13808         (attr length): Compute bitbranch length.
13809         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
13810         least-significant bit of a byte.
13811         (brabit, brabc, brabs): New.
13812         (insv, extzv): Emit bfst and bfld on H8300SX.
13813         (bfld, bfst, seq, sne): New.
13814         (bstzhireg, cmpstz, bstz, bistz): New.
13815         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
13816         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
13817         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
13818         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
13819         (h8sx_unary_memory_operator): New function.
13820         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
13821         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
13822         * config/h8300/h8300.md: Add peepholes to combine reloads and
13823         arithmetic insns.
13824         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
13825         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
13826         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
13827         (and?i, ior?i, xor?i): Likewise.
13828         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
13829         * config/h8300/h8300.c: Move enums and prototypes to head of file.
13830         Various whitespace fixes.
13831         (h8300_constant_length): New function, split out from...
13832         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
13833         (h8300_classify_operand): Use IN_RANGE.
13834         (h8300_classify_operand): Use h8300_constant_length.
13835         (h8300_short_move_mem_p): Tighten size check.
13836         (h8sx_mergeable_memrefs_p): Tighten equality check.
13837         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
13838         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
13839         for -msx.
13840         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
13841         * config/h8300/crtn.asm: Likewise.
13842         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
13843         if __H8300SX__ is defined.
13844         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
13845         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
13846         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
13847         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
13848         addresses as mode-dependent.
13849         * config/h8300/h8300.c (print_operand_address): Update call to
13850         h8300_get_index.
13851         (h8300_get_index): Take a mode argument.  Rework to fix an
13852         earlier misunderstanding.
13853         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
13854         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
13855         into a register if TARGET_H8300SX.
13856         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
13857         TARGET_H8300SX.  Also disable related define_splits.
13858         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
13859         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
13860         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
13861         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
13862         * config/h8300/h8300.h (OK_FOR_Z): New macro.
13863         (EXTRA_CONSTRAINT_STR): Check it.
13864         * config/h8300/h8300.c (h8300_classify_operand): Accept null
13865         class arguments.
13866         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
13867         * config/h8300/h8300.md (length_table): Add mov_imm4.
13868         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
13869         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
13870         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
13871         be a label.
13872         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
13873         * config/h8300/h8300.c (h8300_reorg): New function.
13874         (TARGET_MACHINE_DEPENDENT_REORG): Define.
13875         * config/h8300/h8300.md (length): Subtract the length of the
13876         delay slot from (pc) when checking the range of forward branches.
13877         (delay_slot, can_delay): New attributes.
13878         (define_delay): Add bra/s handling.
13879         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
13880         (jump): Add delayed-branch handling.
13881         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
13882         * expr.c (expand_strcpy): New function.
13883         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
13884         (expand_builtin_stpcpy): Likewise.
13885         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
13886         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
13887         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
13888         handling to improve register allocation for -fno-omit-frame-pointer.
13889         (h8sx_split_movmd): Delete, moving er6 handling into...
13890         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
13891         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
13892         (movmd): Add calls to copy_rtx.
13893         (movmd_internal): In the second alternative, allow the initial and
13894         final destination registers to be different .  Update the splitter
13895         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
13896         instead of h8sx_split_movmd.
13897         (stpcpy, movsd): New expanders.
13898         (movsd_internal): New define_insn.
13899         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
13900         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
13901         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
13902         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
13903         and DESTINATION_REGS.
13904         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
13905         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
13906         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
13907         (h8300_move_ratio): Declare.
13908         (MOVE_RATIO): Use it.
13909         * config/h8300/h8300.c (h8300_move_ratio): New variable.
13910         (h8300_init_once): Initialize it.
13911         (h8300_reg_class_from_letter): New function.
13912         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
13913         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
13914         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
13915         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
13916         (movstrsi, movmd): New expanders.
13917         (movmd_internal): New insn.
13918         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
13919         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
13920         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
13921         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
13922         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
13923         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13924         * config/h8300/h8300.c (nibble_operand): Fix warning.
13925         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
13926         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
13927         (movsf_h8300h): Disable for TARGET_H8300SX.
13928         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13929         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
13930         h8300_stm_parallel and h8300_return_parallel.
13931         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
13932         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
13933         h8300_stm_parallel, h8300_return_parallel): New functions.
13934         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
13935         if TARGET_H8300SX.  Use h8300_push_pop.
13936         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
13937         and final pop when generating h8sx code.  Always emit some form
13938         of return insn.
13939         * config/h8300/h8300.md: Don't enforce register alignment in
13940         stm peepholes if TARGET_H8300SX.
13941         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
13942         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
13943         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
13944         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
13945         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
13946         (MULTILIB_DIRNAMES): Add a directory for it.
13947         (MULTILIB_MATCHES): Delete.
13948         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
13949         * final.c (walk_alter_subreg): Handle addresses with subregs
13950         inside a ZERO_EXTEND or AND.
13951         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
13952         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
13953         if TARGET_H8300SX.
13954         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
13955         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
13956         @(dd,Rn.w) and @(dd,ERn.L).
13957         (h8300_displacement_size): Take the whole address as argument.
13958         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
13959         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
13960         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
13961         (h8sx_mergeable_memrefs_p): Declare.
13962         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
13963         (HAVE_PRE_INCREMENT): Likewise.
13964         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
13965         addresses for TARGET_H8300SX,
13966         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
13967         and POST_DEC.
13968         (movb_length_table, movl_length_table): New tables.
13969         (movw_length_table): Define to movb_length_table.
13970         (h8300_displacement_size): New, split out from...
13971         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
13972         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
13973         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
13974         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
13975         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
13976         (compute_plussi_length, compute_plussi_cc): Update accordingly.
13977         (h8sx_unary_shift_operator): Get the mode from the operator.
13978         (binary_shift_operator): Likewise.
13979         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
13980         a memory reference, check whether the reference is offsettable.
13981         (length_table): Add movb, movw and movl.
13982         (movqi): Add new h8sx pattern.  Don't force one operand to be a
13983         register when generating h8sx code.
13984         (movhi, movsi, movsf): Likewise.
13985         (movstrictqi): Use the length_table attribute.
13986         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
13987         (addqi3): Split into a define_expand and define_insn.  Don't accept
13988         memory operands in the expander.  Use h8300_operands_match_p to
13989         check for matching operands in the define_insn.
13990         (subqi3, negqi2, one_cmplqi2): Likewise.
13991         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
13992         in any patterns that are unused in h8sx code.  In the h8sx patterns,
13993         use h8300_operands_match_p to check whether operands match.
13994         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
13995         one_cmpl[hs]i3): Likewise.
13996         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
13997         in the expander.
13998         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
13999         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
14000         (h8300_insn_length_from_table): Add a second parameter.
14001         (output_h8sx_shift): Declare.
14002         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
14003         (EXTRA_CONSTRAINT): Replace with...
14004         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
14005         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
14006         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
14007         and h8sx_binary_shift_operator.
14008         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
14009         for TARGET_H8300SX.
14010         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
14011         (bit_memory_operand, fix_bit_operand): Likewise.
14012         (h8300_length_table_for_insn): Remove.
14013         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
14014         instructions.
14015         (h8300_short_immediate_length, h8300_binary_length): New functions.
14016         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
14017         (output_plussi): Use sub to add negative constants.
14018         (compute_plussi_length): Adjust accordingly.
14019         (h8sx_single_shift_type): New enum.
14020         (h8sx_single_shift, h8sx_unary_shift_operator,
14021         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
14022         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
14023         single h8sx instruction.  Return false in this case.
14024         * config/h8300/h8300.md (length_table): Add short_immediate.
14025         (length): Pass the operand array to h8300_insn_length_from_table.
14026         (adjust_length): Assume "no" for insns with a length_table attribute.
14027         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
14028         (*addhi3_h8300hs): Don't use for h8sx.
14029         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
14030         and sub.w #xx:3.
14031         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
14032         1's predicate to nonimmediate_operand.  Only skip default expansion
14033         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
14034         for single h8sx shift instructions.
14035         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
14036         * config/h8300/h8300.c (nibble_operand): Split out of...
14037         (reg_or_nibble_operand): ... this.
14038         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
14039         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
14040         umulhisi3): Introduce expand, and introduce separate insns for
14041         sign- or zero-extended REG and already-extended CONST_INT.
14042         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
14043         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
14044         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
14045         (subhi3): Likewise.  Don't accept immediates for operand 1.
14046         Remove the early clobber from second alternative of the h8300s pattern.
14047         (subsi3): Generalize for h8sx.  Force operand 2 into a register
14048         on plain h8300 targets.
14049         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
14050         (subsi3_h8300h): Generalize for h8sx.
14051         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
14052         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
14053         * config/h8300/h8300.c (reg_or_nibble_operand): New.
14054         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
14055         (TARGET_H8300SXMUL): New.
14056         (CONST_OK_FOR_P): New.
14057         (CONST_OK_FOR_LETTER_P): Adjust.
14058         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
14059         umulhisi3): Accept 4-bit immediate on H8SX.
14060         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
14061         (udivsi3, divhi3, udivsi3, divsi3): New.
14062         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
14063         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
14064         * config/h8300/h8300.h (OK_FOR_Q): New macro.
14065         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
14066         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
14067         Add ADDRESSOF to the bit_operand entry.
14068         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
14069         (h8300_src_operand): Likewise.
14070         (bit_operand): Check nonimmediate_operand rather than general_operand.
14071         Accept any nonimmediate_operand in h8sx code.
14072         (h8300_and_costs): Initialize operands[1].
14073         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
14074         (h8300_operand_class): New enum.
14075         (h8300_length_table): New typedef.
14076         (addb_length_table, addw_length_table, addl_length_table,
14077         logicl_length_table): New tables.
14078         (logicb_length_table, logicw_length_table): New macros.
14079         (h8300_classify_operand, h8300_length_from_table,
14080         h8300_length_table_for_insn, h8300_unary_length,
14081         h8300_insn_length_from_table): New functions.
14082         (output_plussi): Only use adds and subs for register destinations.
14083         Disable redundant clause.
14084         (compute_plussi_cc): Likewise.
14085         (compute_plussi_length): Likewise.  Use h8300_length_from_table
14086         to work out the length of an insn.
14087         (output_logical_op): Only use narrower immediate instructions
14088         if the destination is a register.
14089         (compute_logical_op_cc): Likewise.
14090         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
14091         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
14092         * config/h8300/h8300.md (length_table): New attribute.
14093         (length): When an instruction has a length_table attribute, use
14094         h8300_insn_length_from_table to calculate its default length.
14095         (cmpqi): Use h8300_dst_operand for the first operand and
14096         h8300_src_operand for the second.
14097         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
14098         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
14099         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
14100         iorsi3, xorhi3, xorsi3): Likewise.
14101         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
14102         so that it allows any combination of operands for TARGET_H8300SX.
14103         (iorqi3, xorqi3): Likewise.
14104         (cmpqi): Use the length_table attribute.
14105         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
14106         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
14107         (cmpqi): Add 'Q' constraint.
14108         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
14109         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
14110         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
14111         * config/h8300/h8300.h (MASK_H8300SX): New macro.
14112         (TARGET_H8300S): True for both -ms and -msx.
14113         (TARGET_H8300SX): New macro.
14114         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
14115         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
14116         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
14117         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
14118         [Temporary change.]
14119         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
14120         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
14121         16-bit pointers and 32-bit ints.
14122         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
14123         CONST_DOUBLE with mode no wider than SImode.
14124         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
14125         output operand.
14126         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
14127         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
14128         or SUBREG thereof.
14129         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
14130         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
14131         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
14132
14133 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
14134
14135         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
14136
14137 2004-07-07  Per Bothner  <per@bothner.com>
14138
14139         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
14140
14141 2004-07-07  Mike Stump  <mrs@apple.com>
14142
14143         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
14144         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
14145         (machopic_finish): Likewise.
14146
14147 2004-07-07  Richard Henderson  <rth@redhat.com>
14148
14149         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
14150         through any value-preserving cast.
14151
14152 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
14153
14154         * function.c (assign_parm_find_data_types): Call
14155         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
14156
14157 2004-07-07  Steven Bosscher  <stevenb@suse.de>
14158
14159         * tree-cfg.c (group_case_labels): Remove case labels that have
14160         the same target as the default case.
14161
14162 2004-07-07  Steven Bosscher  <stevenb@suse.de>
14163
14164         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
14165         regardless of DECL_LANG_SPECIFIC being present or not.
14166         * tree.h (DECL_NUM_STMTS): Purge.
14167
14168 2004-07-07  Andrew Pinski  <apinski@apple.com>
14169
14170         * configure: Regenerate with the right autoconf.
14171
14172 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
14173
14174         * ifcvt.c (total_bb_rtx_cost): New function.
14175         (find_if_case_1): Compare rtx_cost of basic block to cost of
14176         BRANCH_COST insns.
14177         (find_if_case_2): Same.
14178
14179 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
14180
14181         PR target/10567
14182         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
14183         (output_return): Likewise.
14184         (output_sibcall): Abort if !flag_delayed_branch.
14185         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
14186         (emit_and_preserve): New function.
14187         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
14188         indirect jump to the thunked-to function if !flag_delayed_branch.
14189         * config/sparc/sparc.md (delayed_branch): New attribute.
14190         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
14191         attribute to compute the length of the insn.
14192         (goto_handler_and_restore): Likewise.
14193
14194 2004-07-07  Andrew Pinski  <apinski@apple.com>
14195
14196         PR tree-optimization/15777
14197         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
14198
14199         * expr.c (expand_expr_real_1): Fix formating.
14200         BUFFER_REF and IN_EXPR are dead.
14201         * fold-const.c (non_lvalue): BUFFER_REF is dead.
14202         * tree-inline.c (estimate_num_insns_1): Likewise.
14203         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
14204         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
14205         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
14206
14207 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
14208
14209         * collect2.c (dump_file): Don't call cplus_demangle if
14210         HAVE_LD_DEMANGLE is defined.
14211         (main): Pass "--demangle" to ld if no_demangle is not 0 and
14212         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
14213         if HAVE_LD_DEMANGLE is defined.
14214
14215         * configure.ac (--with-demangler-in-ld): Added
14216         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
14217         --with-demangler-in-ld is used.
14218         * config.in: Regenerated.
14219         * configure: Likewise.
14220
14221 2004-07-07  Roger Sayle  <roger@eyesopen.com>
14222
14223         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
14224         for simple floating point operations "fp", double precision
14225         multiplication "dmul", and single and double precision division
14226         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
14227         (ppc630_cost): New table split from ppc620_cost, to distinguish
14228         differences in floating point latencies.
14229         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
14230         (rs6000_rtx_costs): Add support for single and double precision
14231         floating point addition, subtraction, multiplication, division,
14232         fused-multiply-add, fused-multiply-sub, negation, absolute value
14233         and negative absolute value.  Tweak MEM case to use prefered idiom.
14234
14235 2004-07-07  Richard Henderson  <rth@redhat.com>
14236
14237         * tree-flow-inline.h (may_propagate_copy): Move...
14238         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
14239         attempt to copy between types requiring conversion.
14240         * tree-flow.h (may_propagate_copy): Update decl.
14241         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
14242
14243 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
14244
14245         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
14246         from -mtune= option.
14247
14248 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
14249
14250         * builtins.c: Rename movstr*, except for movstrict*, to
14251         movmem* and clrstr* to clrmem*.
14252         * expr.c: Likewise.
14253         * expr.h: Likewise.
14254         * genopinit.c: Likewise.
14255         * integrate.c: Likewise.
14256         * local-alloc.c: Likewise.
14257         * optabs.c: Likewise.
14258         * optabs.h: Likewise.
14259         * config/alpha/alpha.h: Likewise.
14260         * config/alpha/alpha.md: Likewise.
14261         * config/arm/arm-protos.h: Likewise.
14262         * config/arm/arm.c: Likewise.
14263         * config/arm/arm.md: Likewise.
14264         * config/avr/avr.md: Likewise.
14265         * config/c4x/c4x.c: Likewise.
14266         * config/c4x/c4x.md: Likewise.
14267         * config/frv/frv.md: Likewise.
14268         * config/i386/i386-protos.h: Likewise.
14269         * config/i386/i386.c: Likewise.
14270         * config/i386/i386.h: Likewise.
14271         * config/i386/i386.md: Likewise.
14272         * config/i860/i860.c: Likewise.
14273         * config/i860/i860.md: Likewise.
14274         * config/ip2k/ip2k.md: Likewise.
14275         * config/ip2k/libgcc.S: Likewise.
14276         * config/ip2k/t-ip2k: Likewise.
14277         * config/m32r/m32r.c: Likewise.
14278         * config/m32r/m32r.md: Likewise.
14279         * config/mcore/mcore.md: Likewise.
14280         * config/mips/mips.c: Likewise.
14281         * config/mips/mips.md: Likewise.
14282         * config/ns32k/ns32k.c: Likewise.
14283         * config/ns32k/ns32k.h: Likewise.
14284         * config/ns32k/ns32k.md: Likewise.
14285         * config/pa/pa.c: Likewise.
14286         * config/pa/pa.md: Likewise.
14287         * config/pdp11/pdp11.h: Likewise.
14288         * config/pdp11/pdp11.md: Likewise.
14289         * config/rs6000/rs6000.c: Likewise.
14290         * config/rs6000/rs6000.md: Likewise.
14291         * config/s390/s390-protos.h: Likewise.
14292         * config/s390/s390.c: Likewise.
14293         * config/s390/s390.md: Likewise.
14294         * config/sh/lib1funcs.asm: Likewise.
14295         * config/sh/sh.c: Likewise.
14296         * config/sh/sh.md: Likewise.
14297         * config/sh/t-sh: Likewise.
14298         * config/sparc/sparc.h: Likewise.
14299         * config/vax/vax.md: Likewise.
14300         * config/xtensa/xtensa.c: Likewise.
14301         * config/xtensa/xtensa.md: Likewise.
14302         * doc/invoke.texi: Likewise.
14303         * doc/md.texi: Likewise.
14304         * doc/rtl.texi: Likewise.
14305
14306 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
14307
14308         PR target/16407
14309         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
14310         * config/mips/mips.c (mips_declare_common_object): New function,
14311         mostly split out from...
14312         (mips_output_aligned_decl_common): ...here.
14313         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
14314         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
14315         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
14316         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
14317
14318 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14319
14320         PR c/16392
14321         * function.c (assign_parms): Fix typo from previous change.
14322
14323 2004-07-07  Jason Merrill  <jason@redhat.com>
14324
14325         PR c++/15815
14326         * doc/extend.texi (C++ Interface): Correct information and
14327         discourage use.
14328
14329 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
14330
14331         PR target/16130
14332         PR target/16142
14333         PR target/16143
14334         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
14335         insn.
14336
14337 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
14338
14339         PR target/1679.
14340         * config/m32r/m32r.c (m32r_function_symbol): New function:
14341         Generate a symbol name RTX with the correct m32r specific flags
14342         set.
14343         (block_move_call): Use new function to generate correct symbol.
14344         * config/m32r/m32r-protos.h: Add prototype for new funcion.
14345         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
14346         function.
14347
14348 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
14349
14350         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
14351         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
14352         TYPE_BINFO_BASETYPE): Remove.
14353         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
14354         to ...
14355         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
14356         here.
14357         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
14358         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
14359         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
14360         (struct tree_binfo): Rename base_types to base_binfos.
14361         * alias.c (record_component_aliases): Adjust BINFO macros.
14362         * dbxout.c (dbxout_type): Likewise.
14363         * dwarf2out.c (gen_member_die): Likewise.
14364         * sdbout.c (sdbout_one_type): Likewise.
14365         * tree-dump.c (deque_and_dump): Likewise.
14366         * config/i386/i386.c (classify_argument,
14367         contains_128bit_aligned_vector_p): Likewise.
14368
14369 2004-07-07  Nick Clifton  <nickc@redhat.com>
14370
14371         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
14372         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
14373
14374 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
14375
14376         * vec.h: Fix the example use.
14377
14378 2004-07-06  Richard Henderson  <rth@redhat.com>
14379
14380         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
14381         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
14382         * tree-inline.c (copy_body_r, setup_one_parameter,
14383         initialize_inlined_parameters, expand_call_inline,
14384         declare_inline_vars): Don't check it.
14385         (expand_calls_inline): Remove old version, rename new version
14386         from gimple_expand_calls_inline.
14387         * tree-optimize.c (execute_gimple): Remove.
14388         (pass_gimple): Don't run anything.
14389
14390 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
14391
14392         * doc/sourcebuild.texi: Use semicolons instead of commas in
14393         section title.
14394
14395 2004-07-06  Richard Henderson  <rth@redhat.com>
14396
14397         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
14398         (sra_walk_modify_expr, scan_init): Likewise.
14399         (generate_element_zero): Check visited before scanning children.
14400         (generate_element_init): Set visited on error.
14401         (scalarize_init): Handle generate_element_init failure similar
14402         to use_block_copy.
14403
14404 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
14405
14406         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
14407         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
14408
14409 2004-07-06  Richard Henderson  <rth@redhat.com>
14410
14411         * config/i386/i386.c (legitimize_pic_address): Make static.
14412         (legitimize_address): Handle CONST with TLS operand.
14413         (ix86_expand_move): Don't call legitimize_pic_address directly.
14414         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
14415
14416 2004-07-06  Roger Sayle  <roger@eyesopen.com>
14417
14418         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
14419         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
14420         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
14421         is currently executed unconditionally, i.e. not in "else_bb".
14422
14423 2004-07-06  Steven Bosscher  <stevenb@suse.de>
14424
14425         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
14426         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14427         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
14428         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14429         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
14430         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14431         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
14432         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14433         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
14434         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14435         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
14436         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14437         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
14438         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14439         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
14440         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
14441
14442 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
14443
14444         * dojump.c (do_jump): REFERENCE_EXPR is dead.
14445         * expr.c (expand_expr_real_1): Ditto.
14446         * tree-inline.c (estimate_num_insns_1): Ditto.
14447         * tree-pretty-print.c (dump_generic_node): Ditto.
14448         (op_symbol): Ditto.
14449         * tree.def: Ditto.
14450
14451 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
14452
14453         * tree-ssa-pre.c (reference_node_pool): New pool.
14454         (find_or_generate_expression): Class 'r' is okay too.
14455         (create_value_expr_from): Ditto.
14456         (add_to_sets): LHS should not include vuses.
14457         (eliminate): Ditto.
14458         (compute_avail): Reverse ordering of tests.
14459         Valuize INDIRECT_REF as well.
14460
14461 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
14462
14463         PR rtl-optimization/16380
14464         * loop.c (check_dbra_loop): Sink comparison instructions if they
14465         do something other than set cc0.
14466
14467 2004-07-06  James E Wilson  <wilson@specifixinc.com>
14468
14469         * doc/interface.texi (longjmp and automatic variables): Delete
14470         paragraph recommending taking the address of a variable.
14471
14472 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
14473
14474         * vec.h (VEC_embedded_alloc): Remove.
14475         (VEC_embedded_size, VEC_embedded_init): New.
14476         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
14477         MEM_STAT_INFO.
14478         (VEC_truncate): New.
14479         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
14480         (vec_embedded_alloc): Remove.
14481         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
14482         (vec_embedded_alloc): Remove.
14483
14484 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
14485
14486         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
14487         (gt-langhooks.h): Remove.
14488
14489 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
14490
14491         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
14492
14493 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
14494
14495         * config/sparc/sparc.c (get_pc_symbol): Rename into
14496         add_pc_to_pic_symbol.
14497         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
14498         (load_pic_register): Account for previous changes.
14499         Use reg_names.  Don't create the label twice.
14500         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
14501         UNSPEC_LOAD_PCREL_SYM.
14502         (get_pc): Rename into load_pcrel_sym.  Add predicate to
14503         operands.  Remove condition.
14504
14505 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
14506
14507         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
14508         RECORD, UNION & QUAL_UNION is actually a binfo.
14509
14510         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
14511         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
14512         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
14513         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
14514         * dwarf2out.c (add_data_member_location_attribute): Likewise.
14515         (gen_inheritance_die): Likewise.
14516         * tree-dump.c (deque_and_dump): Likewise.
14517         * doc/c-tree.texi (Binfos): Add under reconstruction note.
14518
14519 2004-07-06  Steven Bosscher  <stevenb@suse.de>
14520
14521         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
14522         Define.
14523         * config/mcore/mcore.md: Model memory latency with a simple DFA
14524         pipeline description instead of a define_function_unit.
14525
14526 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14527
14528         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
14529         * langhooks.h (var_mod_type_p): Likewise.
14530         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
14531         * expr.c (count_type_elements): Properly handle return from
14532         array_type_nelts and properly test for overflow.
14533         * gimplify.c (gimplify_init_constructor): Properly handle return
14534         from array_type_nelts.
14535         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
14536         * integrate.c (copy_decl_for_inlining): Correct comments.
14537         * tree-inline.c (remap_decl): Update comments, remove dead code,
14538         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
14539         (remap_type): Only remap if variably modified by vars in function
14540         being inlined.
14541         (copy_body_r): Use compatible_type langhooks to see when can fold.
14542         (setup_one_parameter): Don't remap type.
14543         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
14544         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
14545         compute TREE_INVARIANT for decl case.
14546         (find_var_from_fn): New function.
14547         (variably_modified_type_p): Add arg and call new function.
14548         * tree.h (variably_modified_type_p): Add extra arg.
14549
14550 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
14551
14552         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
14553         (goto_handler_and_restore_v9): Delete disabled insn.
14554         (goto_handler_and_restore_v9_sp64): Likewise.
14555
14556 2004-07-05  Roger Sayle  <roger@eyesopen.com>
14557
14558         * calls.c (load_register_parameters): Call expand_shift instead
14559         of expand_binop with ashl_optab (or other shift optab) directly.
14560         * expr.c (emit_group_load, emit_group_store): Likewise.
14561         * function.c (assign_parm_setup_block): Likewise.
14562         * stmt.c (shift_return_value): Likewise.
14563
14564 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
14565
14566         * expr.c (expand_assignment): Disable the bitfield += optimizations.
14567
14568 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14569
14570         * doc/sourcebuild.texi: Revert previous patch.
14571
14572 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14573
14574         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
14575         TARGET_MEM_FUNCTIONS.
14576         * system.h: Poison TARGET_MEM_FUNCTIONS.
14577         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
14578         bcmp_libfunc, bzero_libfunc): Remove.
14579         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
14580         bzero_libfunc.
14581         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
14582         * doc/standards.texi: Don't mention calling BSD string functions.
14583         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
14584         * config/vax/t-memfuncs: New.
14585         * config/memcmp.c, config/memcpy.c, config/memmove.c,
14586         config/memset.c: New.
14587         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
14588         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
14589         vax/t-memfuncs.
14590         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
14591         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
14592         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
14593         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
14594         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
14595         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
14596         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
14597         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
14598         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
14599         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
14600
14601 2004-07-05  Richard Henderson  <rth@redhat.com>
14602
14603         * function.c (assign_parm_setup_reg): Properly rename variables in
14604         FUNCTION_ARG_CALLEE_COPIES section.
14605
14606 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
14607
14608         * tree-mudflap.c: Include cgraph.h.
14609         (mf_init_extern_trees): Rename to mudflap_init.  Export.
14610         Rewrite to create synthetic declarations instead of looking
14611         up declarations from mf-runtime.h.
14612         (mf_make_builtin, mf_make_cache_struct_type): New functions.
14613         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
14614         Correct commentary.
14615         (execute_mudflap_function_decls, mudflap_register_call):
14616         Don't call mf_init_extern_trees.
14617         (mudflap_finish_file): Use cgraph_build_static_cdtor.
14618
14619         * tree-mudflap.h: Update prototypes.
14620         * c-mudflap.c: Delete file.
14621         * c-common.c: Include tree-mudflap.h.
14622         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
14623         * Makefile.in: Remove all references to c-mudflap.o.
14624         Update dependencies.
14625
14626 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14627
14628         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
14629         displacements with the spatial-locality cache-control completer.
14630
14631 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
14632
14633         * langhooks.c: Don't include gt-langhooks.h.
14634         (var_labelno): Delete.
14635         (lhd_set_decl_assembler_name): Do not append a distinguishing
14636         number to file-scope internal-linkage declarations for the first
14637         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
14638         the declaration itself (if at block scope), or its containing
14639         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
14640         number.
14641
14642         * opts.c (cur_in_fname): New global.
14643         * opts.h: Declare it.
14644         * tree.c: Include opts.h.
14645         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
14646         DECL_UID equal to cur_in_fname.
14647         (copy_node_stat): Do not change DECL_UID when copying a
14648         TRANSLATION_UNIT_DECL.
14649         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
14650         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
14651
14652         * c-decl.c (c_static_assembler_name): Delete.
14653         * c-tree.h (c_static_assembler_name): Delete prototype.
14654         * c-lang.c, objc/objc-lang.c: Don't override
14655         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
14656
14657         * Makefile.in (tree.o): Update dependencies.
14658         (GTFILES): Remove langhooks.c.
14659
14660 2004-07-05  Roger Sayle  <roger@eyesopen.com>
14661
14662         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
14663         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
14664         Normalize "X % C" as "X % -C" for signed modulus and negative C.
14665         Optimize "X % -Y" as "X % Y" for signed modulus.
14666         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
14667         into "((unsigned) X % Y) == 0".
14668
14669 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
14670
14671         * sourcebuild.texi (Config Fragments): Use @comma{} in
14672         cross-reference to section title.
14673
14674 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14675
14676         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
14677         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
14678         (gimplify_target_expr, gimplify_expr): Likewise.
14679         (copy_if_shared_r): No longer need special case for BIND_EXPR.
14680         (unshare_body, unvisit_body): Only look at nested if BODY_P is
14681         whole function.
14682         (gimplify_compound_lval): See if we can strip any useless conversion.
14683         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
14684         from RHS, not LHS.
14685         (gimplify_modify_expr_to_memset): Likewise.
14686         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
14687         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
14688         (declare_inline_vars): Likewise.
14689         (walk_type_fields): New function.
14690         (walk_tree): Use it.
14691         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
14692
14693         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
14694         (sra_walk_modify_expr): Allow init function to fail.
14695         (scan_init): Now returns bool.
14696         (generate_element_init): If can't understand INIT, return false.
14697         (scalarize_init): Return false if generate_element_init does.
14698
14699         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
14700         print bounds.
14701
14702         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
14703         bounds if bounds aren't constant.
14704
14705         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
14706
14707         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
14708         to type hooks; remove bogus PARAMS.
14709
14710 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
14711
14712         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
14713         * dwarf2out.c (add_data_member_location_attribute): Check for
14714         TREE_BINFO.
14715         * tree.c (tree_node_kinds): Add "binfos".
14716         (binfo_lang_slots): New.
14717         (make_node_stat): Add TREE_BINFO.
14718         (make_tree_binfo_stat): New.
14719         (tree_node_structure): Add TREE_BINFO.
14720         * tree.def (TREE_BINFO): New.
14721         * tree.h (REC_OR_UNION_CHECK): Rename to ...
14722         (RECORD_OR_UNION_CHECK): ... here.
14723         (NOT_RECORD_OR_UNION_CHECK): New.
14724         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
14725         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
14726         RECORD_OR_UNION_CHECK.
14727         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
14728         (TYPE_LANG_SLOT_1): New.
14729         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
14730         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
14731         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
14732         (BINFO_ELTS): Remove.
14733         (BINFO_LANG_SLOT): New.
14734         (struct tree_binfo): New.
14735         (binfo_lang_slots): Declare.
14736         (enum tree_node_structure_enum): Add TS_BINFO.
14737         (union tree_node): Add binfo.
14738         (make_tree_binfo_stat): Declare.
14739         (make_tree_binfo): New.
14740         (enum tree_node_kind): Add binfo_kind.
14741
14742         * objc/objc-act.c (start_class, objc_declare_protocols,
14743         start_protocols): Use TYPE_LANG_SLOT_1.
14744         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
14745         to ...
14746         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
14747         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
14748         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
14749         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
14750
14751 2004-07-05  Steven Bosscher  <stevenb@suse.de>
14752
14753         * rtl.h (struct rtx_def): Remove the integrated flag.
14754         Use the return_val flag for MEM_SCALAR_P.
14755         Reshuffle and update flags in CLEAR_RTX_FLAGS.
14756
14757 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
14758
14759         PR target/16357
14760         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
14761         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
14762         move_by_pieces.
14763
14764 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
14765
14766         * var-tracking.c: Fix some comments.
14767         (frame_stack_adjust): New.
14768         (vt_stack_adjustments): Init stack_adjust of entry block to
14769         minus stack adjustment of function prologue.
14770         (adjust_stack_reference): Do not adjust if adjustment == 0.
14771         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
14772         (emit_notes_in_bb): Likewise.
14773         (vt_add_function_parameters): Do not adjust locations of
14774         function arguments.
14775         (vt_initialize): Compute the stack adjustment of function
14776         prologue and offset the initial "location" of frame_base_decl
14777         from the stack pointer after prologue.
14778
14779 2004-07-04  Richard Henderson  <rth@redhat.com>
14780
14781         * function.c (struct assign_parm_data_all): New.
14782         (struct assign_parm_data_one): New.
14783         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
14784         assign_parm_find_data_types, assign_parms_setup_varargs,
14785         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
14786         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
14787         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
14788         assign_parm_setup_block, assign_parm_setup_reg,
14789         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
14790         (assign_parms): ... here.
14791
14792 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
14793
14794         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
14795         now are bitmap_set_t's.
14796         (bitmap_insert_into_set): No point in inserting the value if
14797         it's invariant.
14798         (bitmap_set_contains): New function.
14799         (bitmap_set_replace_value): Add comment on why we do it
14800         this way.
14801         (set_contains): Removed.
14802         (bitmap_set_subtract_from_value_set): New name of
14803         set_subtract now that it's arguments are two different
14804         types of sets.
14805         Update callers.
14806         (bitmap_find_leader): Change algorithm used.
14807         (find_or_generate_expression): Update use of functions for new
14808         bitmap sets.
14809         (create_expression_by_pieces): Ditto.
14810         (insert_aux): Ditto.
14811         (insert): Ditto.
14812         (add_to_sets): Ditto.
14813         (init_pre): Ditto.
14814         (execute_pre): Ditto.
14815         (compute_avail): Ditto.
14816         Also ignore virtual phis.
14817
14818 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
14819
14820         * combine.c (simplify_comparison): Fix comment typo.
14821
14822 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
14823
14824         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
14825         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
14826         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
14827         (output_restore): Change parameter from 'insn' to 'pat'.
14828         (output_return): Adjust call to output_restore.
14829         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
14830         Adjust call to output_restore.
14831
14832 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
14833
14834         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
14835         and assert system is bsd.
14836
14837 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
14838
14839         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
14840         (TARGET_SWITCHES): Remove -mdebugc.
14841         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
14842         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
14843         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
14844         (sle_[sd]i_reg): Delete.
14845
14846 2004-07-04  Steven Bosscher  <stevenb@suse.de>
14847
14848         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
14849         Define.
14850         * config/iq2000/iq2000.md: Translate old pipeline description to an
14851         equivalent new one.
14852
14853 2004-07-04  Roger Sayle  <roger@eyesopen.com>
14854
14855         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
14856         Ensure the replacement rhs is valid gimple before performing
14857         the substitution.  Return false if these sanity checks fail.
14858         (fold_stmt): Only set changed to true, if set_rhs returns true.
14859         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
14860         succeeds.
14861
14862 2004-07-04  Richard Henderson  <rth@redhat.com>
14863
14864         PR c/16348
14865         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
14866
14867 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
14868
14869         * configure.ac (ranlib_flags): New variable.
14870         * Makefile.in (RANLIB_FLAGS): New variable.
14871         (libbackend.a): Use it.
14872         * configure: Regenerated.
14873
14874 2004-07-04  Roger Sayle  <roger@eyesopen.com>
14875
14876         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
14877         a "sign mask" instead of using ashr_optab directly.
14878
14879 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
14880
14881         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
14882         * doc/cppopts.texi: Clarify processing of command-line defines.
14883
14884 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
14885
14886         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
14887
14888 2004-07-04  Richard Henderson  <rth@redhat.com>
14889
14890         * rtl.def (ADDRESSOF): Remove.
14891         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
14892         (find_base_term, memrefs_conflict_p): Likewise.
14893         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
14894         (fold_rtx, cse_insn, set_live_p): Likewise.
14895         * dwarf2out.c (mem_loc_descriptor): Likewise.
14896         (add_location_or_const_value_attribute): Likewise.
14897         * emit-rtl.c (copy_insn_1): Likewise.
14898         * explow.c (memory_address): Likewise.
14899         * expmed.c (store_split_bit_field): Likewise.
14900         * expr.c (expand_expr_real_1): Likewise.
14901         * function.c (instantiate_decl
14902         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
14903         * genrecog.c (preds, validate_pattern): Likewise.
14904         * integrate.c (copy_rtx_and_substitute): Likewise.
14905         * recog.c (general_operand, register_operand): Likewise.
14906         (memory_address_p): Likwise.
14907         * reload1.c (eliminate_regs, elimination_effects): Likewise.
14908         * rtl.c (copy_rtx): Likewise.
14909         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
14910         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
14911         * rtlhooks.c (gen_lowpart_general): Likewise.
14912         * stmt.c (expand_asm_operands): Likewise.
14913         * web.c (entry_register, replace_ref, web_main): Likewise.
14914         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
14915         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
14916         * config/arm/arm.c (thumb_rtx_costs): Likewise.
14917         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
14918         * config/frv/frv.c (move_destination_operand, move_source_operand,
14919         condexec_dest_operand, condexec_source_operand,
14920         condexec_memory_operand): Likewise.
14921         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
14922         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
14923         (destination_xfmode_operand): Likewise.
14924         * config/mips/mips.h (PREDICATE_CODES): Likewise.
14925         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
14926         * config/s390/s390.c (general_s_operand): Likewise.
14927         * config/s390/s390.md (mov*): Likewise.
14928         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
14929
14930         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
14931         * expr.c (expand_expr_real_1): Likewise.
14932         * stmt.c (expand_decl): Likewise.
14933         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
14934
14935         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
14936         postponed_insns, put_var_into_stack, put_reg_into_stack,
14937         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
14938         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
14939         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
14940         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
14941         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
14942         purge_bitfield_addressof_replacements, purge_addressof_replacements,
14943         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
14944         struct insns_for_mem_walk_info, insns_for_mem_walk,
14945         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
14946         setjmp_protect_args): Remove.
14947         (push_function_context_to): Don't handle var_refs_queue.
14948         (pop_function_context_from, free_after_compilation): Likewise.
14949         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
14950         (assign_parms, allocate_struct_function): Likewise.
14951         (use_register_for_decl): New.
14952         (expand_function_end): Don't setjmp_protect.
14953         * function.h (struct emit_status): Update commentary.
14954         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
14955         (max_parm_reg, parm_reg_stack_loc): Remove.
14956         * passes.c (DFI_addressof): Remove.
14957         (dump_file_info): Remove addressof.
14958         (rest_of_handle_addressof): Remove.
14959         (rest_of_compilation): Don't call it.
14960         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
14961         * stmt.c (expand_decl): Use use_register_for_decl.
14962         * tree.h: Update decls.
14963         * web.c (mark_addressof): Remove.
14964         * doc/invoke.texi (-dF): Remove.
14965
14966 2004-07-03  Richard Henderson  <rth@redhat.com>
14967
14968         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
14969         instead of gen_mem_addressof.
14970         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
14971         TImode output register.
14972
14973 2004-07-03  Richard Henderson  <rth@redhat.com>
14974
14975         PR tree-optimization/16341
14976         * tree-sra.c (sra_walk_function): Increment to next stmt before
14977         processing the current stmt.
14978         (sra_insert_after): Always use BSI_SAME_STMT.
14979
14980 2004-07-03  Richard Henderson  <rth@redhat.com>
14981
14982         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
14983         fp plus with minus.
14984
14985 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
14986
14987         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
14988         with tree_int_cst_equal.
14989
14990 2004-07-03  Andreas Schwab  <schwab@suse.de>
14991
14992         * config/ia64/ia64.md: Define new attribute "empty".
14993         (prologue_use, nop_x, insn_group_barrier): Set it.
14994
14995         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
14996         skip over "empty" insns.
14997
14998 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14999
15000         * tree-inline.c (initialize_inlined_parameters): Pass proper function
15001         context to gimplify_body.
15002         (walk_tree): Don't walk into types twice.
15003         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
15004
15005         * tree-sra.c (generate_element_init): Remove any useless conversions.
15006
15007         * gimplify.c (gimplify_conversion): Remove stripping useless
15008         conversions from here.
15009         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
15010         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
15011         Unshare before substituting PLACEHOLDER_EXPR.
15012         (gimplify_modify_expr_to_memset): Likewise.
15013         Pass address of TO to memset, not TO itself.
15014         (gimplify_init_constructor): Make copy of OBJECT so we have it each
15015         time we make an expression (to match a PLACEHOLDER_EXPR).
15016
15017         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
15018         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
15019         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
15020         * tree-ssa-dom.c (local_fold): Likewise.
15021
15022         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
15023         * langhooks.h (strct lang_hooks): New field type_max_size.
15024         * function.c (assign_temp): Call it.
15025
15026 2004-07-03  Steven Bosscher  <stevenb@suse.de>
15027
15028         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
15029         * config/sh/sh.md: Convert the SH1 pipeline description to
15030         a DFA model.
15031
15032 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
15033
15034         * c-decl.c (struct c_binding): Remove contour field; add
15035         depth, invisible, nested fields.
15036         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
15037         (B_IN_EXTERNAL_SCOPE): New convenience macros.
15038         (bind): Add invisible and nested arguments. Initialize
15039         new fields of struct c_binding; adjust loop scanning for
15040         insertion point.
15041         (free_binding_and_advance): Clear structure with memset.
15042         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
15043         in file scope, even if it's in external scope too.
15044         (pushdecl): Adjust to match.  Create invisible file-scope
15045         declarations for block-scope forward declarations of static functions.
15046         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
15047         (undeclared_variable, lookup_label, declare_label, define_label)
15048         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
15049         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
15050         (store_parm_decls_oldstyle): Adjust to match.
15051         (diagnose_mismatched_decls): Correct handling of linkage clashes.
15052         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
15053
15054         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
15055         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
15056
15057 2004-07-02  Richard Henderson  <rth@redhat.com>
15058
15059         * c-decl.c (grokdeclarator): Don't frob current_function_decl
15060         around variable_size.
15061         (set_decl_nonlocal): Remove.
15062         (store_parm_decls): Add stmts for pending sizes.
15063         * calls.c (calls_function, calls_function_1): Remove.
15064         (precompute_arguments): Don't call it.
15065         * cfgexpand.c (set_save_expr_context): Remove.
15066         (tree_expand_cfg): Don't call it.
15067         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
15068         (dwarf2out_finish): Likewise.
15069         * expr.c (emit_block_move): Adjust addresses to BLKmode.
15070         (store_constructor): Don't pre-evaluate SAVE_EXPR.
15071         (safe_from_p): Don't queue SAVE_EXPRs.
15072         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
15073         or build plain VAR_DECLs.
15074         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
15075         (fold): Likewise.
15076         (fold_checksum_tree): Don't special-case SAVE_EXPR.
15077         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
15078         (put_var_into_stack): Don't handle SAVE_EXPR.
15079         (gen_mem_addressof): Likewise.
15080         * function.h (struct function): Remove x_save_expr_regs.
15081         (save_expr_regs): Remove.
15082         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
15083         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
15084         * stor-layout.c (variable_size): Don't set it.
15085         (force_type_save_exprs, force_type_save_exprs_1): Remove.
15086         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
15087         all callers.  Don't set SAVE_EXPR_CONTEXT.
15088         * tree-inline.h (remap_save_expr): Update decl.
15089         * tree.c (save_expr): Update build size.
15090         (first_rtl_op): Don't handle SAVE_EXPR.
15091         (unsave_expr_1, contains_placeholder_p): Likewise.
15092         (decl_function_context): Likewise.
15093         * tree.def (SAVE_EXPR): Remove args 1 and 2.
15094         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
15095         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
15096
15097 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
15098
15099         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
15100         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
15101         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
15102         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
15103         some first-person references and patronizing comments.  Based on
15104         printed manual.
15105         * doc/invoke.texi: Don't reference fortran@gnu.org.
15106         * doc/trouble.texi (Warning when a non-void function value is
15107         ignored): Rewrite.  From Russ Allbery and Chris Devers.
15108
15109 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
15110
15111         * tree-ssa-pre.c (bitmap_set_t): New.
15112         (bb_value_sets): avail_out is now a bitmap_set_t.
15113         (bitmap_find_leader): New function.
15114         (bitmap_value_insert_into_set): Ditto.
15115         (bitmap_set_copy): Ditto.
15116         (bitmap_value_replace_in_set): Ditto.
15117         (bitmap_set_contains_value): Ditto.
15118         (bitmap_set_new): Ditto.
15119         (bitmap_set_pool): New pool.
15120         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
15121         (insert_aux): Ditto.
15122         (add_to_sets): Ditto.
15123         (compute_avail): Ditto
15124         (eliminate): Ditto.
15125         (init_pre): Ditto.
15126         (fini_pre): Ditto.
15127         (execute_pre): Ditto.
15128
15129 2004-07-02  Roger Sayle  <roger@eyesopen.com>
15130
15131         * config/rs6000/rs6000.c (struct processor_costs): New structure
15132         used to hold instruction latencies/sizes for processor types.
15133         (rs6000_cost): New global variable pointing to current CPU's costs.
15134         (rs6000_override_options): Initialize rs6000_cost to point to the
15135         appropriate cost table based upon rs6000_cpu and optimize_size.
15136         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
15137         timings inline.
15138
15139 2004-07-02  Richard Henderson  <rth@redhat.com>
15140
15141         * expmed.c (make_tree): Don't use SET_DECL_RTL.
15142
15143 2004-07-02  Steven Bosscher  <stevenb@suse.de>
15144
15145         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
15146
15147 2004-07-01  Richard Henderson  <rth@redhat.com>
15148
15149         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
15150         (alpha_gp_save_rtx): Use assign_stack_local instead of
15151         gen_mem_addressof.
15152
15153 2004-07-01  Richard Henderson  <rth@redhat.com>
15154
15155         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
15156         (alpha_rtx_cost_data): Update to match.
15157         (alpha_rtx_cost_size): New.
15158         (alpha_rtx_costs): Honor optimize_size.
15159
15160 2004-07-01  Richard Henderson  <rth@redhat.com>
15161
15162         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
15163         * cfgexpand.c (tree_expand_cfg): Do it here.
15164         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
15165         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
15166         * config/mips/mips.c (mips_output_mi_thunk): And here.
15167         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
15168         * config/sh/sh.c (sh_output_mi_thunk): And here.
15169         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
15170
15171 2004-07-01  Richard Henderson  <rth@redhat.com>
15172
15173         * tree.def (RTL_EXPR): Remove.
15174         * c-typeck.c (lvalue_p): Don't handle it.
15175         * expr.c (safe_from_p): Likewise.
15176         (expand_expr_real_1): Likewise.
15177         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
15178         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
15179         * gengtype.c (adjust_field_tree_exp): Likewise.
15180         * stmt.c (warn_if_unused_value): Likewise.
15181         * tree-gimple.c (recalculate_side_effects): Likewise.
15182         * tree-pretty-print.c (dump_generic_node): Likewise.
15183         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
15184         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
15185         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
15186
15187         * stmt.c (struct stmt_status): Remove x_last_expr_type,
15188         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
15189         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
15190         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
15191         all the bits that tracked last_expr.
15192         (expand_end_bindings): Don't track last_expr.
15193         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
15194         (clear_last_expr): Remove.
15195         (expand_asm): Don't call it.
15196         (expand_asm_operands, expand_end_cond): Likewise.
15197         (expand_naked_return, expand_null_return_1): Likewise.
15198         * c-typeck.c (c_begin_compound_stmt): Likewise.
15199         * cfgexpand.c (expand_block): Use expand_expr_stmt.
15200         * expr.c (expand_expr_real_1): Likewise.
15201         * tree.h: Update prototypes.
15202
15203         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
15204         (struct emit_status): Remove sequence_rtl_expr.
15205         (struct function): Remove x_rtl_expr_chain.
15206         (seq_rtl_expr, rtl_expr_chain): Remove.
15207         * function.c (struct temp_slot): Remove rtl_expr.
15208         (assign_stack_temp_for_type): Don't set it.
15209         (free_temp_slots, pop_temp_slots): Don't check it.
15210         (free_after_compilation): Don't clear x_rtl_expr_chain.
15211         (fixup_var_refs): Don't search it.
15212         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
15213         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
15214         or seq_rtl_expr.
15215         (push_topmost_sequence): Likewise.
15216         (end_sequence, init_emit): Likewise.
15217         (start_sequence_for_rtl_expr): Remove.
15218         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
15219         * rtl.h (preserve_rtl_expr_result): Remove.
15220
15221 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
15222
15223         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
15224         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
15225         typos.
15226
15227 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
15228
15229         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
15230         (STANDARD_STARTFILE_PREFIX_2): Define.
15231         (standard_startfile_prefix_1): Initialize to
15232         STANDARD_STARTFILE_PREFIX_1.
15233         (standard_startfile_prefix_2): Initialize to
15234         STANDARD_STARTFILE_PREFIX_2.
15235         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
15236         (STANDARD_STARTFILE_PREFIX_1): Define.
15237         (STANDARD_STARTFILE_PREFIX_2): Define.
15238         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
15239         (STANDARD_STARTFILE_PREFIX_2): Document.
15240
15241 2004-07-01  Richard Henderson  <rth@redhat.com>
15242
15243         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
15244         in order to disable scalarization.  Instead set a flag and wait
15245         for a candidate decl.
15246
15247 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
15248
15249         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
15250         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
15251         Use terminology "testsuite" and "enumerated".
15252
15253 2004-07-01  Richard Henderson  <rth@redhat.com>
15254
15255         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
15256         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
15257         (initial_return_save): Likewise.
15258         (flush_queued_reg_saves): Remap register numbers.
15259         (dwarf2out_return_reg): Likewise.
15260
15261 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15262
15263         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
15264
15265         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
15266         access functions for lower bound and element size and only output
15267         if lower bound nonzero or element size not same as that of type.
15268         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
15269
15270 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
15271
15272         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
15273
15274 2004-07-01  Per Bothner  <per@bothner.com>
15275
15276         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
15277
15278 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
15279
15280         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
15281         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
15282         first operand.  Don't optimize if the bitfield is volatile.
15283
15284 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
15285
15286         * c-pretty-print.c (pp_c_postfix_expression): Handle
15287         floating-point comparison operators.
15288         (pp_c_expression): Pass floating-point comparison
15289         operators to pp_c_postfix_expression.
15290
15291 2004-07-01  Roger Sayle  <roger@eyesopen.com>
15292
15293         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
15294         rtx_cost instead of "had_mult" to determine whether the transformed
15295         expression is cheaper than the original.
15296
15297 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
15298
15299         * alias.c (get_alias_set, canon_rtx, get_addr,
15300         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
15301         Use MEM_P.
15302         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
15303         expand_builtin): Likewise.
15304         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
15305         Likewise.
15306         * combine.c (can_combine_p, combinable_i3pat, try_combine,
15307         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
15308         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
15309         record_dead_and_set_regs_1, get_last_value_validate,
15310         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
15311         * cse.c (check_dependence, canon_hash, equiv_constant,
15312         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
15313         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
15314         count_reg_usage): Likewise.
15315         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
15316         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
15317         cselib_record_sets): Likewise.
15318         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
15319         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
15320         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
15321         * df.c (df_uses_record): Likewise.
15322         * dojump (do_jump): Likewise.
15323         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
15324         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
15325         decl_start_label): Likewise.
15326         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
15327         operand_subword, change_address_1, make_safe_from): Likewise.
15328         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
15329         stabilize, force_not_mem): Likewise.
15330         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
15331         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
15332         * expr.c (convert_move, convert_modes, emit_block_move,
15333         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
15334         emit_move_insn_1, expand_assignment, store_expr,
15335         store_constructor_field, store_constructor, store_field,
15336         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
15337         Likewise.
15338         * final.c (cleanup_subreg_operands, alter_subreg,
15339         get_mem_expr_from_op): Likewise.
15340         * flow.c (notice_stack_pointer_modification_1,
15341         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
15342         Likewise.
15343         * function.c (mark_temp_addr_taken, preserve_temp_slots,
15344         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
15345         optimize_bit_field, flush_addressof, purge_addressof_1,
15346         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
15347         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
15348         keep_stack_depressed): Likewise.
15349         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
15350         noce_process_if_block, find_memory): Likewise.
15351         * integrate.c (subst_constants, allocate_initial_values): Likewise.
15352         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
15353         update_equiv_regs): Likewise.
15354         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
15355         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
15356         * optabs.c (expand_abs, emit_unop_insn): Likewise.
15357         * passes.c (rest_of_handle_final): Likewise.
15358         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
15359         move2add_note_store): Likewise.
15360         * ra-build.c (detect_remat_webs): Likewise.
15361         * ra-debug.c (dump_static_insn_cost): Likewise.
15362         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
15363         * recog.c (validate_change, apply_change_group, cancel_changes,
15364         validate_replace_rtx_1, general_operand, register_operand,
15365         nonmemory_operand, push_operand, pop_operand, memory_operand,
15366         indirect_operand, asm_operand_ok, offsettable_memref_p,
15367         offsettable_nonstrict_memref_p, constrain_operands,
15368         store_data_bypass_p): Likewise.
15369         * reg-stack.c (subst_stack_regs_pat): Likewise.
15370         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
15371         copy_cost, reg_scan_mark_refs): Likewise.
15372         * regmove.c (optimize_reg_copy_3, stack_memref_p,
15373         combine_stack_adjustments_for_block): Likewise.
15374         * regrename.c (copyprop_hardreg_forward_1): Likewise.
15375         * reload.c (can_reload_into, push_reload, decompose, immune_p,
15376         find_reloads, find_reloads_address, find_reloads_address_1,
15377         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
15378         find_equiv_reg): Likewise.
15379         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
15380         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
15381         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
15382         delete_address_reloads): Likewise.
15383         * resource.c (mark_referenced_resources): Likewise.
15384         * rtlanal.c (get_jump_table_offset, count_occurrences,
15385         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
15386         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
15387         num_sign_bit_copies1): Likewise.
15388         * rtlhooks.c (gen_lowpart_general): Likewise.
15389         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
15390         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
15391         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
15392         sdbout_global_decl): Likewise.
15393         * simplify-rtx.c (simplify_subreg): Likewise.
15394         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
15395         expand_anon_union_decl, expand_end_case_type): Likewise.
15396         * unroll.c (calculate_giv_inc): Likewise.
15397         * var-tracking.c (stack_adjust_offset_pre_post,
15398         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
15399         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
15400         vt_add_function_parameters): Likewise.
15401         * varasm.c (make_var_volatile, notice_global_symbol,
15402         assemble_external, decode_addr_const, mark_weak,
15403         default_encode_section_info): Likewise.
15404
15405 2004-07-01  Steven Bosscher  <stevenb@suse.de>
15406
15407         * stmt.c (check_seenlabel): Remove.
15408         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
15409
15410 2004-07-01  Richard Henderson  <rth@redhat.com>
15411
15412         * function.h (struct function): Remove x_function_call_count.
15413         (function_call_count): Remove.
15414         * calls.c (expand_call): Don't set it.
15415         * integrate.c (copy_rtx_and_substitute): Likewise.
15416
15417         * function.h (struct function): Remove x_cleanup_label.
15418         (cleanup_label): Remove.
15419         * stmt.c (expand_value_return): Don't use it.
15420         * function.c (free_after_compilation): Don't set it.
15421         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
15422         * cfgexpand.c (tree_expand_cfg): Update call.
15423         * tree.h (expand_function_start): Update decl.
15424
15425 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
15426
15427         PR c/1027
15428         * c-lang.c (c_initialize_diagnostics): Move from here ...
15429         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
15430         (c_tree_printer): Use pretty-printer to format %T.
15431         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
15432         before '*' if not C++.
15433         (pp_c_direct_abstract_declarator): Don't try to print array upper
15434         bound for flexible array members.
15435         * c-tree.h: Include "diagnostic.h".
15436         (c_initialize_diagnostics): Declare.
15437         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
15438         * c-format.c (format_type_warning): New function.  Improve
15439         diagnostics for incorrect format argument types.
15440         (check_format_types): Use it.  Add two parameters.  Use the
15441         TYPE_MAIN_VARIANT of wanted_type.
15442         (check_format_info_main): Pass new parameters to
15443         check_format_types.
15444         (struct format_wanted_type): Update comment.
15445
15446 2004-07-01  Nick Clifton  <nickc@redhat.com>
15447
15448         * target.h (struct gcc_target): Add new field to struct cxx:
15449         import_export_class.
15450         * target-def.h (TARGET_CXX): Initialise the new field.
15451         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
15452         the new field.
15453         * doc/tm.texi: Document the new target hook.
15454
15455 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
15456
15457         * builtins.c (fold_builtin_classify): Fix typo.
15458
15459 2004-07-01  Richard Henderson  <rth@redhat.com>
15460
15461         * function.c (identify_blocks, identify_blocks_1): Remove.
15462         * function.h (identify_blocks): Remove.
15463         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
15464
15465 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
15466
15467         * builtins.c (fold_builtin_classify): New.
15468         (fold_builtin_unordered_cmp): Fix commentary.
15469         (fold_builtin): Use it.
15470         * builtins.def: Define builtins for isnan,
15471         isnanf, isnanl, finite, finitef, finitel,
15472         isinf, isinff, isinfl.
15473
15474 2004-07-01  Richard Henderson  <rth@redhat.com>
15475
15476         * function.h (struct function): Remove dont_emit_block_notes.
15477         * gimple-low.c (lower_function_body): Don't set it.
15478         * cfgexpand.c (expand_block): Don't check it.
15479         * cfglayout.c (insn_locators_initialize): Likewise.
15480         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
15481         * passes.c (rest_of_compilation): Likewise.
15482         * stmt.c (expand_start_bindings_and_block): Likewise.
15483         (expand_end_bindings): Likewise.
15484
15485 2004-07-01  Richard Henderson  <rth@redhat.com>
15486
15487         * cgraph.h (cgraph_build_static_cdtor): Declare.
15488         * cgraphunit.c (cgraph_build_static_cdtor): New.
15489         * c-objc-common.c (build_cdtor): Use it.
15490         * coverage.c (create_coverage): Likewise.
15491         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
15492         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
15493
15494 See ChangeLog.11 for earlier changes.