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* tree-phinodes.c (remove_phi_arg_num): Don't remove PHIs
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-10-27  Steven Bosscher  <stevenb@suse.de>
2
3         * tree-phinodes.c (remove_phi_arg_num): Don't remove PHIs
4         without any PHI arguments left.  Make sure the argument that
5         we're supposed to remove exists at all.
6
7 2004-10-27  Paul Brook  <paul@codesourcery.com>
8
9         * configure.ac: Don't test for [build] __cxa_atexit when building a
10         cross compiler.
11         * configure: Regenerate.
12
13 2004-10-27  Paul Brook  <paul@codeosurcery.com>
14
15         * configure.ac: Use build_exeext not host_exeext when lookin for
16         target tools.
17         * configure: Regenerate.
18
19 2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
20
21         * config/s390/s390.md ("*subdf3_cc"): Replaced plus by minus.
22
23 2004-10-27  Andreas Krebbel  <krebbel1@de.ibm.com>
24             patch originally created by Kelley Cook  <kcook@gcc.gnu.org>
25
26         PR middle-end/14684
27         * opts.c (OPT_fprofile_generate): Default to -funroll-loops 
28         to match -fprofile-use.
29
30 2004-10-27  Kazu Hirata  <kazu@cs.umass.edu>
31
32         * config/rs6000/rs6000.c: Fix a comment typo.
33
34 2004-10-27  Zack Weinberg  <zack@codesourcery.com>
35
36         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Increment line
37         counter.
38
39 2004-10-27  Andreas Schwab  <schwab@suse.de>
40
41         * varasm.c (default_stabs_asm_out_destructor): Mark symbol as
42         unused.
43         (default_stabs_asm_out_constructor): Likewise.
44
45 2004-10-26  Geoffrey Keating  <geoffk@apple.com>
46
47         * builtins.c (fold_builtin_unordered_cmp): Always bring both
48         operands to the same type.
49
50 2004-10-26  James E Wilson  <wilson@specifixinc.com>
51
52         PR target/18010
53         * emit-rtl.c (emit_copy_of_insn_after): Copy RTX_FRAME_RELATED_P.
54
55 2004-10-26  Zack Weinberg  <zack@codesourcery.com>
56
57         * dbxout.c: Include obstack.h.
58         (ASM_STABS_OP): Take XCOFF_DEBUGGING_INFO into account in
59         default definition.
60         (ASM_STABD_OP, NO_DBX_MAIN_SOURCE_DIRECTORY, DBX_CONTIN_CHAR):
61         Default-define here.
62         (DBX_CONTIN_LENGTH): Move definition with others.
63         (DBX_FINISH_STABS): New target macro.
64         (current_sym_code, current_sym_value, current_sym_addr)
65         (current_sym_nchars, CHARS, dbxout_continue)
66         (print_int_cst_octal, print_octal, print_wide_int)
67         (dbxout_prepare_symbol, dbxout_finish_symbol): Delete.
68         (stabstr_ob, stabstr_last_contin_point): New variables.
69         (NUMBER_FMT_LOOP): New improper macro.
70         (dbxout_int, dbxout_stab_value_zero, dbxout_stab_value_label)
71         (dbxout_stab_value_label_diff, dbxout_stab_value_internal_label)
72         (dbxout_stab_value_internal_label_diff, dbxout_stabd)
73         (dbxout_begin_stabn, dbxout_begin_stabn_sline)
74         (dbxout_begin_simple_stabs, dbxout_begin_simple_stabs_desc)
75         (dbxout_begin_complex_stabs, dbxout_finish_complex_stabs)
76         (stabstr_C, stabstr_S, stabstr_I, stabstr_D, stabstr_U, stabstr_O)
77         (stabstr_continue, DECL_ACCESSIBILITY_CHAR)
78         New functions and/or proper function-like macros.
79         (CONTIN): Use stabstr_continue, unconditionally.
80         (get_lang_number): Define unconditionally, with ATTRIBUTE_UNUSED.
81         (dbxout_init): Initialize stabstr_ob.  Check
82         NO_DBX_MAIN_SOURCE_DIRECTORY.  Only write out the Ltext label
83         if it was used.  Use the new interfaces.
84         (dbxout_source_file): Remove file argument; always write to
85         asm_out_file.  Use the new interfaces.
86         (dbxout_type_method_1): Remove second argument which is always
87         DECL_ASSEMBLER_NAME of the first argument.  Use the new interfaces.
88         (dbxout_type_methods): Remove write-only variables.  Use the
89         new interfaces.
90         (dbxout_parms): Refactor to remove code duplicated in each of
91         several successive if-else-if blocks.  Use the new interfaces.
92         (dbxout_function_end, emit_bincl_stab, dbxout_end_source_file)
93         (dbxout_source_line, dbxout_finish, dbxout_type_index)
94         (dbxout_type_fields, dbxout_range_type, dbxout_type, dbxout_type_name)
95         (dbxout_class_name_qualifiers, dbxout_symbol, dbxout_symbol_location)
96         (dbxout_symbol_name, dbxout_reg_parms, dbxout_args)
97         (dbx_output_lbrac, dbx_output_rbrac, dbxout_block):
98         Use the new interfaces.
99         * Makefile.in (dbxout.o): Update dependencies.
100
101         * defaults.h: Don't define ASM_STABD_OP.
102         * output.h: Prototype new dbxout_* interfaces.
103         * system.h: Poison DBX_OUTPUT_GCC_MARKER and DBX_FINISH_SYMBOL.
104         * varasm.c: Don't define ASM_STABS_OP.
105         (default_stabs_asm_out_constructor, default_stabs_asm_out_destructor):
106         Use the new dbxout.c interfaces.  Call sorry if neither
107         DBX_DEBUGGING_INFO nor XCOFF_DEBUGGING_INFO is defined.
108
109         * xcoffout.h: Don't define ASM_STABS_OP.
110         (DBX_FINISH_SYMBOL): Rewrite and rename DBX_FINISH_STABS.
111         (DBX_OUTPUT_MAIN_SOURCE_DIRECTORY, DBX_OUTPUT_GCC_MARKER): Delete.
112         (NO_DBX_MAIN_SOURCE_DIRECTORY, NO_DBX_GCC_MARKER): Define.
113         (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Change bare block to
114         do { ... } while (0) idiom.
115
116         * config/alpha/alpha.c (num_source_filenames): Export.
117         * config/alpha/alpha.h (num_source_filenames): Declare.
118         (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
119         (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
120         * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
121         Always use .debugsym.  Update commentary.
122         * config/mips/mips.h (DBX_OUTPUT_SOURCE_LINE): Use new interfaces.
123         (SDB_OUTPUT_SOURCE_LINE): Add missing newline.
124         * config/rs6000/linux64.h (DBX_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC):
125         Use new interfaces.
126         * config/rs6000/rs6000.c: If TARGET_MACHO, include gstab.h.
127         (macho_branch_islands): Use new interfaces.
128
129         * doc/tm.texi: Update.
130
131 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
132
133         * expr.c (emit_group_store): Do not treat floats as BLKmode.
134         (emit_group_load): Same.
135
136 2004-10-26  Joseph S. Myers  <jsm@polyomino.org.uk>
137
138         * c-parse.in (datadef): Use pedwarn rather than error and warning
139         for diagnostic in case of no declaration specifiers.
140
141 2004-10-26  Richard Sandiford  <rsandifo@redhat.com>
142
143         PR bootstrap/15747
144         * doc/install.texi (mips-sgi-irix5): Document that /bin/sh has been
145         reported to hang during bootstrap and that CONFIG_SHELL=/bin/ksh
146         can be used to work around this.
147
148 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
149
150         * config/rs6000/rs6000.h (MEMBER_TYPE_FORCES_BLK): Adjust for e500
151         doubles.
152
153 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
154
155         * stmt.c (expand_case): Update a comment.
156
157 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
158
159         * stmt.c (expand_case): Put an assertion that index_expr is
160         never INTEGER_CST.  Don't special case for constant
161         index_expr.
162
163 2004-10-26  Andrew Pinski  <pinskia@physics.uc.edu>
164
165         PR 18162
166         * c-parse.in (designator): Finish with a semi-colon.
167
168 2004-10-26  Fariborz Jahanian <fjahanian@apple.com>
169
170         * config/rs6000/rs6000.md (andsi3_internal8): Set CR when splitting 
171         into rotlsi3.
172
173 2004-10-26  Kazu Hirata  <kazu@cs.umass.edu>
174
175         * stmt.c (expand_case): Remove code to handle SWITCH_EXPR with
176         a default case only.
177
178 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
179
180         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): Adjust for
181         e500 doubles.
182         (spe_build_register_parallel): New.
183         (rs6000_spe_function_arg): Handle e500 doubles.
184         (function_arg): Same.
185         (spe_func_has_64bit_regs_p): Same.
186         (rs6000_function_value): Same.
187         (rs6000_libcall_value): Same.
188         (legitimate_lo_sum_address_p): Return false for e500 doubles.
189
190         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): Adjust for e500
191         doubles.
192         (DATA_ALIGNMENT): Same.
193         (CANNOT_CHANGE_MODE_CLASS): Same.
194
195 2004-10-26  Aldy Hernandez  <aldyh@redhat.com>
196
197         * expr.c (emit_group_load): Handle floats.
198         (emit_group_store): Same.
199
200 2004-10-26  Nathan Sidwell  <nathan@codesourcery.com>
201
202         * c-lex.c (get_nonpadding_token): Remove.
203         (c_lex_with_flags): Push timevar and eat padding here.  Improve
204         stray token diagnostic.
205         (lex_string): Replace logic with switch statement, eat padding
206         token here.
207
208 2004-10-26  Geoffrey Keating  <geoffk@apple.com>
209
210         PR 18149
211         * config/i386/darwin.h (ASM_SPEC): Undef it before defining.
212
213 2004-10-25  Geoffrey Keating  <geoffk@apple.com>
214
215         * config/darwin.h (LINK_SPEC): Default weak_reference_mismatches
216         to 'non-weak'.
217         (MAKE_DECL_ONE_ONLY): Set DECL_WEAK.
218         (ASM_MAKE_LABEL_LINKONCE): Delete.
219         (ASM_WEAKEN_DECL): New.
220         (ASM_DECLARE_OBJECT_NAME): Look at DECL_WEAK not DECL_ONE_ONLY.
221         (ASM_DECLARE_FUNCTION_NAME): Likewise.
222         (TEXT_SECTION_ASM_OP): Add a tab.
223         (DATA_SECTION_ASM_OP): Likewise.
224         (SECTION_FUNCTION): Add a tab.  Use fputs.  Don't call
225         data_section on every section change.
226         (EXTRA_SECTIONS): Add a bunch of new extra sections.
227         (EXTRA_SECTION_FUNCTIONS): Likewise.
228         (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
229         (JCR_SECTION_NAME): Define.
230         (TARGET_SECTION_TYPE_FLAGS): Don't define.
231         * config/darwin.c (darwin_encode_section_info): A symbol is defined
232         in this file if it is not weak.
233         (textcoal_section): Delete.
234         (datacoal_section): Delete.
235         (darwin_make_decl_one_only): Delete.
236         (machopic_select_section): Handle functions.
237         (darwin_asm_named_section): Add a tab.
238         (darwin_section_type_flags): Delete.
239         (darwin_unique_section): Delete contents.
240         (darwin_emit_unwind_label): Add a tab.  Make decls weak if
241         DECL_WEAK is set.
242         * config/darwin-protos.h (darwin_section_type_flags): Delete.
243         (darwin_make_decl_one_only): Delete.
244         (text_coal_section): New.
245         (text_unlikely_section): New.
246         (text_unlikely_coal_section): New.
247         (const_coal_section): New.
248         (data_coal_section): New.
249         (const_data_coal_section): New.
250         * varasm.c (function_section): Honour
251         USE_SELECT_SECTION_FOR_FUNCTIONS.
252         * dwarf2out.c (output_call_frame_info): Look at DECL_WEAK when
253         TARGET_USES_WEAK_UNWIND_INFO is in effect.
254         * dbxout.c (dbxout_source_file): Don't change sections while
255         a function is being output.
256
257 2004-10-25  David Ayers  <d.ayers@inode.at>
258
259         * c-common.h: Remove RID_ID.
260         * c-parse.in: Remove OBJECTNAME and references to RID_ID.
261         (typespec_reserved_attr): Add rule for TYPENAME
262         non_empty_protocolrefs.
263         (yylexname): Remove special handling of RID_ID.
264
265 2004-10-25  James E Wilson  <wilson@specifixinc.com>
266
267         * doc/invoke.texi (-fcrossjumping): Not enabled at -O.
268
269 2004-10-25  Joseph S. Myers  <jsm@polyomino.org.uk>
270
271         PR c/16667
272         * c-parse.in (array_designator): New.
273         (designator): Use it.
274         (initelt): Only permit array_designator without '=', not ".foo".
275
276 2004-10-25  Kenneth Zadeck <zadeck@naturalbridge.com>
277         * gcc/Makefile.in: removed ggc for cgraphunit.
278         * gcc/cgraph.c.dump_cgraph_node: removed static var analysis.
279         * gcc/cgraph.h: removed static var analysis data structures and calls.
280         * gcc/cgraphunit.c:
281         cgraph_mark_local_and_external_functions:changed name to
282                 cgraph_mark_local_functions
283         (print_order,convert_UIDs_in_bitmap,new_static_vars_info,
284         cgraph_reset_static_var_maps,get_global_static_vars_info,
285         get_global_statics_not_read,get_global_statics_not_written,searchc,
286         cgraph_reduced_inorder,has_proper_scope_for_analysis,check_rhs_var,
287         check_lhs_var,get_asm_expr_operands,process_call_for_static_vars,
288         scan_for_static_refs,cgraph_characterize_statics_local,
289         clear_static_vars_maps,cgraph_propagate_bits,cgraph_characterize_statics):
290         removed.
291         (cgraph_optimize,init_cgraph): removed calls to static vars analysis
292         * gcc/tree-dfa.c find_referenced_vars: removed call to static vars
293         analysis
294         * gcc/tree-flow.h static_vars_info: removed
295         * gcc/tree-ssa-operands.c (add_call_clobber_ops,add_call_read_ops):
296         removed calls to static vars analysis.
297         get_call_expr_operands: removed callee variable.
298
299 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
300
301         * cfg.c (unchecked_make_edge, redirect_edge_succ,
302         redirect_edge_pred): Use VEC_safe_push instead of
303         VEC_safe_insert.
304         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
305
306 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
307
308         * cfgloopmanip.c (loopify): Take two more arguments true_edge
309         and false_edge.
310         * cfgloop.h: Adjust the corresponding prototype.
311         * loop-unswitch.c (unswitch_loop): Adjust a call to loopify.
312         * tree-ssa-loop-manip.c (tree_ssa_loop_version): Likewise.
313
314 2004-10-25  Jakub Jelinek  <jakub@redhat.com>
315
316         * dwarf2out.c (rtl_for_decl_location): Avoid segfault if
317         DECL_INCOMING_RTL is NULL.
318
319 2004-10-25  Steven Bosscher  <stevenb@suse.de>
320
321         * timevar.def (TV_FIND_REFERENCED_VARS): New.
322         * tree-dfa.c (pass_referenced_var): Use it.
323
324 2004-10-25  Roger Sayle  <roger@eyesopen.com>
325             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
326
327         * cse.c: Change encoding of quantity numbers to avoid undefined
328         pointer arithmetic on qty_table.
329         (REGNO_QTY_VALID_P): A quantity is now valid if it isn't negative.
330         (get_cse_reg_info): Initialize reg_qty to a unique negative value.
331         (new_basic_block): Assign "real" quantity numbers from zero.
332         (delete_reg_equiv): Do nothing if quantity is invalid.  Reset the
333         REG_QTY to its unique negative value.
334         (merge_equiv_classes): Calculate need_rehash if quantity is valid.
335         (cse_main): Don't include max_reg when determining max_qty.
336         (cse_basic_block): Avoid subtracting a large offset from qty_table,
337         which causes undefined C99 behaviour.  Only allocate needed memory.
338
339 2004-10-25  Kazu Hirata  <kazu@cs.umass.edu>
340
341         * stmt.c (expand_case): Remove an obsolete comment.
342
343 2004-10-25  Andrew Pinski  <pinskia@physics.uc.edu>
344
345         PR middle-end/17407
346         * c-decl.c (grokdeclarator) <case cdk_array>: Remove the call
347         layout_type as it is already done by build_array_type.
348         * tree.c (build_array_type): Layout the type even
349
350 2004-10-25  Alexandre Oliva  <aoliva@redhat.com>
351
352         * config/frv/linux.h (TARGET_C99_FUNCTIONS): Define to 0.
353
354 2004-10-25  Alexandre Oliva  <aoliva@redhat.com>
355
356         * config/frv/frv.md (movdi, movdf): Handle wide-constant splits
357         with wider-than-32-bit HOST_WIDE_INTs.
358
359 2004-10-25  David Billinghurst <David.Billinghurst@riotinto.com>
360
361         * config/mips/mips.c(mips_output_filename): Remove unused
362         array ltext_label_name
363
364 2004-10-24  Geoffrey Keating  <geoffk@geoffk.org>
365
366         * config/rs6000/darwin.h (BLOCK_REG_PADDING): Define.
367
368 2004-10-25  Ben Elliston  <bje@au.ibm.com>
369
370         * cfgcleanup.c (outgoing_edges_match): Fix typo in dump output.
371
372 2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
373
374         * predict.c (predict_loops): Call scev_finalize instead of
375         scev_reset.
376
377 2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>
378
379         * config/dbxcoff.h, config/dbxelf.h, config/libgloss.h,
380         config/openbsd.h, config/mips/r3900.h, config/pdp11/pdp11.md,
381         config/sh/ushmedia.h, config/sparc/elf.h,
382         config/sparc/sp64-elf.h: Update copyright.
383
384 2004-10-24  Kazu Hirata  <kazu@cs.umass.edu>
385
386         * stmt.c (expand_case): Handle the default label outside of
387         the for loop.  Remove code to handle a missing default label.
388
389 2004-10-23  Kazu Hirata  <kazu@cs.umass.edu>
390
391         * dbxout.c (dbxout_function_decl): Don't use
392         DBX_OUTPUT_FUNCTION_END.
393         * system.h: Poison DBX_OUTPUT_FUNCTION_END.
394         * doc/tm.texi (DBX_OUTPUT_FUNCTION_END): Remove.
395
396 2004-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
397
398         PR middle-end/17967
399         * tree-cfg.c (remove_usless_stmts_cond):  Don't Fold statement.
400
401 2004-10-23  Daniel Berlin  <dberlin@dberlin.org>
402
403         * tree-ssa-dom.c (record_equality): Use loop depth to determine
404         which way to record the equality as well.
405         (loop_depth_of_name): New function.
406
407 2004-10-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
408
409         PR middle-end/17793
410         * gimplify.c (gimplify_addr_expr) <VIEW_CONVERT_EXPR>: Look
411         through the operand if it is a useless type conversion.
412
413 2004-10-23  Ben Elliston  <bje@au.ibm.com>
414
415         * cfg.c (remove_edge): Use VEC_unordered_remove.
416         (redirect_edge_succ): Likewise.
417         (redirect_edge_pred): Likewise.
418         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
419
420 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
421
422         * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Don't access PTR
423         beyond its end.
424
425 2004-10-22  Eric Christopher  <echristo@redhat.com>
426
427         * config/rs6000/rs6000.c (setup_incoming_varargs): Align DFmode
428         saves.
429
430 2004-10-22  Aldy Hernandez  <aldyh@redhat.com>
431
432         * config/rs6000/spe.md (spe_extendsfdf2): New.
433         (movdf_e500_double): New.
434         (spe_truncdfsf2): New.
435         (spe_absdf2): New.
436         (spe_nabsdf2): New.
437         (spe_negdf2): New.
438         (sub_adddf3): New.
439         (spe_subdf3): New.
440         (spe_muldf3): New.
441         (spe_floatsidf2): New.
442         (spe_floatunssidf2): New.
443         (fix_truncdfsi2): New.
444         (spe_fixuns_truncdfsi2): New.
445
446         * config/rs6000/rs6000.md (truncdfsf2): Change to expander.
447         (fpr_truncdfsf2): New.
448         (negdf2): Change to expander.
449         (fpr_negdf2): New.
450         (fpr_nabsdf2): Name pattern.
451         (adddf3): Change to expander.
452         (fpr_adddf3): Nem.
453         (subdf3): Change to expander.
454         (fpr_subdf3): New.
455         (muldf3): Change to expander.
456         (fpr_muldf3): New.
457         (divdf3): Change to expander.
458         (fpr_divdf3): New.
459         (movdf_softfloat32): Change !TARGET_FPRS to TARGET_E500_SINGLE.
460         (cmpdf): Allow for TARGET_E500_DOUBLE.
461
462 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
463
464         * c-semantics.c (re_push_stmt_list): Remove.
465         * c-common.h: Remove the corresponding prototype.
466
467 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
468
469         * stmt.c (asm_op_is_mem_input): Remove.
470         * tree.h: Remove the corresponding prototype.
471
472 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
473
474         * tree-gimple.c (is_gimple_constructor_elt): Remove.
475         * tree-gimple.h: Remove the corresponding prototype.
476
477 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
478
479         * varasm.c (get_pool_mode_for_function, get_pool_offset):
480         Remove.
481         * rtl.h: Remove the corresponding prototypes.
482
483 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
484
485         * tree-cfg.c (thread_jumps_from_bb): Speed up by extracting
486         edge information when we commit ourselves to threading a
487         particular jump.
488
489 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
490
491         * tree-cfg.c (thread_jumps): Speed up by putting basic blocks
492         into worklist instead of their indexes.
493
494 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
495
496         * alias.c, basic-block.h, cgraphunit.c, combine.c, domwalk.h,
497         final.c, gengtype.c, genpreds.c, ggc-page.c, insn-notes.def,
498         lambda-code.c, loop-unroll.c, modulo-sched.c, pointer-set.c,
499         pretty-print.c, ra-colorize.c, sbitmap.c, tree-complex.c,
500         tree-data-ref.c, tree-dfa.c, tree-inline.c, tree-into-ssa.c,
501         tree-scalar-evolution.c, tree-ssa-dom.c,
502         tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
503         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-threadupdate.c,
504         tree-vectorizer.c, vec.h: Fix comment formatting.
505
506 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
507
508         * dwarf.h, gthr-dce.h, gthr-single.h, gthr-solaris.h, gthr.h,
509         libfuncs.h, libgcc2.h, stab.def, tsystem.h: Update copyright.
510
511 2004-10-22  Kazu Hirata  <kazu@cs.umass.edu>
512
513         * config/ptx4.h, config/mcore/mcore-pe.h,
514         config/rs6000/eabi.h, config/vax/elf.h: Update copyright.
515
516 2004-10-22  Peter Barada <peter@the-baradas.com>
517
518         * config/m68k/m68k.h (HARD_REGNO_RENAME_OK): New macro.
519         * config/m68k/m68k.c (m68k_hard regno_rename_ok): Disallow
520         renaming of non-live registers in interrupt functions.
521         * config/m68k/m68k-protos.h (m68k_hard_regno_rename_ok): Add prototype.
522
523 2004-10-22  Zdenek Dvorak  <dvorakz@suse.cz>
524
525         * tree-ssa-loop-niter.c (inverse): Count in HOST_WIDE_INT if possible.
526         Use integer for loop counter.
527         (num_ending_zeros): New function.
528         (number_of_iterations_cond): Use num_ending_zeros.
529
530 2004-10-21  Aldy Hernandez  <aldyh@redhat.com>
531
532         * config.gcc: Add support for --enable-e500_double.
533
534         * config/rs6000/e500-double.h: New file.
535
536         * config/rs6000/rs6000.h: Define TARGET_E500_SINGLE and
537         TARGET_E500_DOUBLE.
538
539         * config/rs6000/eabi.h: Define TARGET_E500_SINGLE and
540         TARGET_E500_DOUBLE.
541
542         * config/rs6000/linuxspe.h: Same.
543
544         * doc/invoke.texi (Option Summary): Document new options for
545         mfloat-gprs.
546         (RS/6000 and PowerPC Options): Same.
547
548         * config/rs6000/rs6000.c (rs6000_parse_float_gprs_option): New
549         function.
550         (rs6000_override_options): Use it.  Use
551         SUB3TARGET_OVERRIDE_OPTIONS.
552         Add 8548 to processor_target_table.
553         (rs6000_legitimate_address): Handle e500 doubles.
554         (rs6000_legitimize_address): Same.
555         (rs6000_legitimize_reload_address): Same.
556         (rs6000_hard_regno_nregs): Same.
557         (spe_func_has_64bit_regs_p): Same.
558         (emit_frame_save): Same.
559         (gen_frame_mem_offset): Same.
560         (rs6000_dwarf_register_span): Same.
561         (rs6000_generate_compare): Same.
562         (easy_fp_constant): Same.
563         (legitimate_offset_address_p): Same.
564
565         * config/rs6000/spe.md: (cmdfeq_gpr): New.
566         (tstdfeq_gpr): New.
567         (cmpdfgt_gpr): New.
568         (tstdfgt_gpr): New.
569         (tstdfgt_gpr): New.
570         (cmpdflt_gpr): New.
571         (tstdflt_gpr): New.
572         Add new constants.
573
574 2004-10-21  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
575
576         * config/arc/lib1funcs.asm (___umulsidi3): Fix typo.
577
578 2004-10-21  Zack Weinberg  <zack@codesourcery.com>
579
580         * dbxout.c: Remove unnecessary #undefs.
581         (GDB_INV_REF_REGPARM_STABS_LETTER, DBX_MEMPARM_STABS_LETTER)
582         (FILE_NAME_JOINER, STABS_GCC_MARKER): Remove; fold sole
583         definition into use sites.
584         (cwd): Make local to dbxout_init.
585         (dbxout_init): Restructure cwd-using logic for clarity.  Use
586         IS_DIR_SEPARATOR.
587         * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Definition of
588         STABS_GCC_MARKER folded in here.
589         * system.h: Poison now-unused macros.
590         * doc/tm.texi: Remove documentation of now-unused macros.
591
592 2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
593
594         PR c/17538
595         * c-opts.c (push_command_line_include): Use the current file
596         name instead of the main one.
597
598 2004-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
599
600         PR objc/17923
601         * tree.c (staticp): A CONST_DECL has static storage if either
602         TREE_STATIC or DECL_EXTERNAL is set.
603         * c-decl.c (pushdecl_top_level): Accept CONST_DECLs which can
604         have null names.
605
606 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
607
608         * expr.c (store_expr): Remove dont_store_target.
609
610 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
611
612         * tree-cfg.c (thread_jumps): Speed up by using a worklist.
613
614 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
615
616         * tree-cfg.c (thread_jumps): Move a part of it to ...
617         (thread_jumps_from_bb): ... here.
618
619 2004-10-21  David Edelsohn  <edelsohn@gnu.org>
620
621         * dbxout.c (DBX_FINISH_SYMBOL): Add asm_out_file argument.
622         * xcoffout.h (DBX_FINISH_SYMBOL): Change asmfile to (ASMFILE).
623
624 2004-10-21  Kazu Hirata  <kazu@cs.umass.edu>
625
626         * expr.c (store_expr): Clean up by renaming want_value to
627         call_param_p.
628
629 2004-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
630
631         * config/sh/linux-unwind.h (sh_fallback_frame_state): Don't
632         fixup pc here.
633
634 2004-10-21  Aldy Hernandez  <aldyh@redhat.com>
635
636         PR 18004.
637         * expmed.c (store_bit_field): Pass original 'value' before
638         recursing.
639
640 2004-10-21  Nicolas Pitre <nico@cam.org>
641
642         * config/arm/ieee754-sf.S: Large speed improvements. Fix NAN handling.
643         * config/arm/ieee754-df.S: Ditto.
644
645 2004-10-20  Zack Weinberg  <zack@codesourcery.com>
646
647         * dbxout.c (asmfile): Delete.  All uses changed to asm_out_file.
648         (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_LINES_FUNCTION_RELATIVE):
649         Default to 0.
650         (dbxout_source_line): Use DBX_OUTPUT_SOURCE_LINE when defined.
651         When it is not, but DBX_LINES_FUNCTION_RELATIVE is true, emit
652         an internal label and an N_SLINE .stabn whose value is the
653         difference between that label and the function entry label.
654         (dbxout_finish): If DBX_OUTPUT_MAIN_SOURCE_FILE_END is not defined,
655         but DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END is, emit a
656         label and an N_SO stab with an empty string referring to it.
657         (dbx_output_lbrac, dbx_output_rbrac): Use if statement instead
658         of #ifdef directive to test DBX_BLOCKS_FUNCTION_RELATIVE.
659         (dbxout_type_methods, dbxout_symbol): Remove #if 0 block.
660         (dbxout_prepare_symbol): Remove #ifdef WINNING_GDB block, this
661         macro is never defined.
662         * sdbout.c (sdbout_source_line_counter): Delete.
663         (PUT_SDB_SRC_FILE): Delete.  Uses replaced with sole definition.
664         (sdbout_source_line): Use SDB_OUTPUT_SOURCE_LINE, which takes
665         only two arguments.
666         * xcoffout.c (ASM_OUTPUT_SOURCE_LINE): Rename ASM_OUTPUT_LINE.
667
668         * config/dbxcoff.h, config/dbxelf.h: Remove unncessary #undefs.
669         * config/c4x/c4x.h, config/pa/pa.h: Remove unnecessary macro
670         definitions (identical to default).
671         * config/darwin.h, config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
672         * config/h8300/coff.h, config/pa/som.h, config/sh/elf.h:
673         Define DBX_OUTPUT_NULL_N_SO_AT_MAIN_SOURCE_FILE_END, not
674         DBX_OUTPUT_MAIN_SOURCE_FILE_END.
675         * config/dbxcoff.h, config/dbxelf.h, config/ptx4.h
676         * config/mcore/mcore-pe.h, config/pa/som.h, config/sh/elf.h:
677         Define DBX_LINES_FUNCTION_RELATIVE, not ASM_OUTPUT_SOURCE_LINE.
678         * config/alpha/alpha-protos.h: Don't prototype alpha_output_lineno.
679         * config/alpha/alpha.c: Move declaration of num_source_filenames up.
680         (alpha_start_function): Use SDB_OUTPUT_SOURCE_LINE.
681         (sym_lineno): Delete.
682         (alpha_output_filename): Do not emit N_SOL stabs here.  Remove
683         now-unused variable.
684         (alpha_output_lineno): Delete.
685         * config/mips/mips-protos.h: Don't prototype mips_output_lineno.
686         * config/mips/mips.c (mips_output_filename): Don't use
687         ASM_OUTPUT_FILENAME. Don't emit N_SOL stabs here.
688         (mips_output_lineno): Delete.
689         (mips_output_function_prologue: Use SDB_OUTPUT_SOURCE_LINE.
690         * config/alpha/alpha.h: Define DBX_OUTPUT_SOURCE_LINE and
691         SDB_OUTPUT_SOURCE_LINE, not ASM_OUTPUT_SOURCE_LINE.
692         * config/mips/mips.h: Likewise.  Don't define ASM_OUTPUT_FILENAME.
693         * config/mips/sdb.h: Use SDB_OUTPUT_SOURCE_LINE.
694         * config/avr/avr.h: Don't define ASM_OUTPUT_SOURCE_LINE.
695         * config/mmix/mmix.h: Likewise.
696         * config/mmix/mmix.c (mmix_asm_output_source_line): Delete.
697         * config/mmix/mmix-protos.h: Don't prototype it.
698         * config/alpha/unicosmk.h: Also #undef PREFERRED_DEBUGGING_TYPE;
699         no need to #undef ASM_OUTPUT_SOURCE_LINE.
700         * config/arm/aout.h: Remove RISCiX-specific definition of
701         DBX_OUTPUT_MAIN_SOURCE_FILENAME.
702         * config/m32r/m32r.h: Define DBX_OUTPUT_SOURCE_LINE, not
703         ASM_OUTPUT_SOURCE_LINE.
704         * config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Rename to
705         DBX_OUTPUT_SOURCE_LINE.  Don't use current_function_func_begin_label.
706         * config/vax/elf.h: No need to define DBX_OUTPUT_FUNCTION_END.
707
708         * doc/tm.texi: Update.
709
710 2004-10-20  Richard Henderson  <rth@redhat.com>
711
712         * tree-sra.c (instantiate_element): Copy DECL_IGNORED_P also.
713
714 2004-10-20  Kelley Cook  <kcook@gcc.gnu.org>
715
716         * configure.ac: Revert my previous patch.
717         * configure: Regenerate.
718
719 2004-10-20  Ben Elliston  <bje@au.ibm.com>
720
721         * config/rs6000/rs6000.c
722         (rs6000_va_start): Use build_va_arg_indirect_ref.
723         (rs6000_gimplify_va_arg): Likewise.
724
725 2004-10-20  Bryce McKinlay  <mckinlay@redhat.com>
726
727         PR java/15575
728         * configure.ac: Declare AM_LANGINFO_CODESET.
729         * aclocal.m4: Define AM_LANGINFO_CODESET.
730         * configure, config.in: Rebuilt.
731
732 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
733
734         * expr.c (store_expr): Remove code that is run when
735         want_value & 1 is nonzero.
736
737 2004-10-20  Mark Mitchell  <mark@codesourcery.com>
738
739         * gthr-posix.h (__gthread_active_p): Use __extension__ around cast
740         from function pointer to void *.
741
742 2004-10-20  Kaz Kojima  <kkojima@gcc.gnu.org>
743
744         PR target/18032
745         * config/sh/sh.c (sh_expand_epilogue): Emit a blockage insn before
746         the frame pointer adjustment when exception handling is enabled.
747
748 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
749
750         * stor-layout.c: Fix a comment typo.
751
752 2004-10-20  Kazu Hirata  <kazu@cs.umass.edu>
753
754         * expr.c (store_field): Remove two arguments value_mode and
755         unsignedp.
756         (expand_assignment, store_constructor_field,
757         expand_expr_real_1): Adjust calls to store_field.
758
759 2004-10-18  Ramana Radhakrishnan  <ramana.radhakrishnan@codito.com>
760
761         * config/arc/lib1funcs.asm (___umulsidi3): Correct usage of flags.
762
763         PR target/17317
764         * config/arc/arc.h (REGNO_OK_FOR_BASE_P,REGNO_OK_FOR_INDEX_P,
765         REG_OK_FOR_BASE, REG_OK_FOR_INDEX): Consider blink(r31) as a valid
766         base and index register for loads.
767
768         * config/arc/t-arc: Fix multilib handling.
769
770 2004-10-20  Hans-Peter Nilsson  <hp@bitrange.com>
771
772         * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
773         don't inspect BLOCK_FOR_INSN for barriers.
774         * emit-rtl.c (emit_barrier_before): Revert last change.
775         (emit_barrier_after, emit_barrier): Ditto.
776
777         * doc/extend.texi (Extended Asm): Warn and provide example
778         solution for using a call-clobbered asm register.
779         (Local Reg Vars): Similar.  Cross-reference example.
780
781 2004-10-19  Andrew Pinski  <pinskia@physics.uc.edu>
782
783         * tree-cfg.c (group_case_labels): Look at the second to last
784         case statement for combing with the default case.
785
786 2004-10-19  Richard Hendeson  <rth@redhat.com>
787
788         PR 17962
789         * stor-layout.c (layout_type): Set TYPE_ALIGN for vectors.
790
791 2004-10-19  Richard Hendeson  <rth@redhat.com>
792
793         * builtins.c (expand_builtin_memmove): If fold_builtin_memmove
794         succeeds, only expand the result.
795
796 2004-10-19  Richard Hendeson  <rth@redhat.com>
797
798         PR middle-end/17885
799         * tree.c (recompute_tree_invarant_for_addr_expr): Always poll address
800         of INDIRECT_REF.
801
802 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
803
804         * tree-cfg.c (thread_jumps): Use a do-while loop instead of a
805         loop with goto.
806
807 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
808
809         * expr.c (expand_assignment): Remove the last argument.
810         Change the return type to void.
811         * expr.h: Update the prototype of expand_assignment.
812         * function.c (assign_parm_setup_reg): Update a call to
813         expand_assignment.
814         * stmt.c (expand_asm_expr): Likewise.
815
816 2004-10-19  Kazu Hirata  <kazu@cs.umass.edu>
817
818         * expr.c (expand_expr_real_1) <MODIFY_EXPR>: Remove
819         unnecessary assignments to temp.  Return const0_rtx.
820
821 2004-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
822
823         * config/sh/sh.c (sh5_schedule_saves): Fix typo.
824
825 2004-10-18  Kelley Cook  <kcook@gcc.gnu.org>
826
827         * configure.ac (powerpc-*-darwin*): Require assembler to support
828         .machine directive.
829         * configure: Regenerate.
830
831 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
832
833         * reload1.c (ior_hard_reg_set): Remove.
834         (finish_spills): Use IOR_HARD_REG_SET instead of
835         ior_hard_reg_set.
836
837 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
838
839         * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Speed up by shifting
840         the currently visited word to right.
841
842 2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
843
844         PR middle-end/18045
845         * expmed.c (expand_smod_pow2): Handle modes whose size
846         is greater than that of HOST_WIDE_INT.
847
848 2004-10-18  Ziemowit Laski  <zlaski@apple.com>
849
850         * c-parse.in (reservedwords): Add OBJC_TYPE_QUAL as alternative.
851
852 2004-10-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
853             Roger Sayle  <roger@eyesopen.com>
854
855         PR middle-end/17813
856         * dojump.c (discard_pending_stack_adjust): New function.
857         (clear_pending_stack_adjust): Call it.
858         * expr.h (discard_pending_stack_adjust): Declare it.
859         * explow.c (emit_stack_save): Emit pending stack adjustments
860         before saving the stack pointer.
861         (emit_stack_restore): Discard pending stack adjustments before
862         restoring the stack pointer.
863
864 2004-10-18  Richard Henderson  <rth@redhat.com>
865
866         * c-common.c (handle_mode_attribute): Allow scalar->vector
867         type changes yet.
868
869 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
870
871         * expr.c (expand_expr_real_1) [MODIFY_EXPR]: Don't request a
872         value to expand_assignment.
873
874 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
875
876         * tree-cfg.c (cleanup_tree_cfg): Don't iterate on
877         thread_jumps.
878         (thread_jumps): Iterate until no new forwarder block arises.
879
880 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
881
882         * tree-cfg.c (tree_forwarder_block_p): Don't set forwardable.
883         (thread_jumps): Use forwardable as cache of
884         tree_forwarder_block_p throughout the function.
885
886 2004-10-18  Andreas Krebbel  <krebbel1@de.ibm.com>
887
888         * cfg.c (dump_flow_info): Remove redundant dump of reg life info.
889
890 2004-10-18  Andrew Pinski  <pinskia@physics.uc.edu>
891
892         PR middle-end/15014
893         PR middle-end/16973
894         * tree-cfg.c (remove_bb): If we have a label expression in the
895         basic block and the label we have taken the address, move the
896         label expression to the basic block which is previous in the
897         linked list.
898         (tree_verify_flow_info): Fix printing out the label name of the
899         problematic label expression.
900
901 2004-10-18  Pat Haugen  <pthaugen@us.ibm.com>
902
903         PR rtl-optimization/18002
904         * simplify-rtx.c (mode_signbit_p): Externalize function...
905         * rtl.h (mode_signbit_p): ... to here.
906         * combine.c (simplify_shift_const): Recognize PLUS signbit as
907         canonical form of XOR signbit and move to outer op.
908
909 2004-10-18  Diego Novillo  <dnovillo@redhat.com>
910
911         * tree-cfg.c (bsi_for_stmt): Rename from stmt_for_bsi.
912         Update all callers.
913         * tree-ssa.c (replace_immediate_uses): Call bsi_for_stmt.
914         Don't call fold_stmt more than once, use bsi_replace.
915
916 2004-10-18  Diego Novillo  <dnovillo@redhat.com>
917
918         PR tree-optimization/17656
919         * tree-ssa.c (replace_immediate_uses): When replacing a
920         constant, if the call to fold_stmt produced a different
921         statement, get an appropriate statement pointer by scanning
922         STMT's basic block.
923
924 2004-10-18  Richard Henderson  <rth@redhat.com>
925
926         * pointer-set.c (hash1): Don't use libm functions in fallback case.
927
928 2004-10-18  H.J. Lu  <hongjiu.lu@intel.com>
929
930         PR bootstrap/17684
931         * Makefile.in (clean): Remove libgcc_s$(SHLIB_EXT).1.stage?.
932         (stage1-start): Remove and copy libunwind.a and
933         libunwind*$(SHLIB_EXT) instead of libunwind*.
934         (stage2-start): Likewise.
935         (stage3-start): Likewise.
936         (stage4-start): Likewise.
937         (stageprofile-start): Likewise.
938         (stagefeedback-start): Likewise.
939
940         * config/alpha/t-osf4 (SHLIB_LINK): Use a temporary file for
941         the shared library to be created and don't remove the existing
942         shared library.
943         * config/arm/t-netbsd (SHLIB_LINK): Likewise.
944         * config/i386/t-nwld (SHLIB_LINK): Likewise.
945         * config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
946         * config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
947         * config/sh/t-linux (SHLIB_LINK): Likewise.
948         * config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
949         * config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
950         * config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
951         * config/t-slibgcc-sld (SHLIB_LINK): Likewise.
952
953         * mklibgcc.in (libgcc-stage-start): Also move "*${objext}s"
954         files.
955
956 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
957
958         * basic-block.h (reg_set_iterator): New.
959         (EXECUTE_IF_SET_IN_REG_SET): Make it iterator style.
960         (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
961         (EXECUTE_IF_AND_IN_REG_SET): Likewise.
962         * caller-save.c (save_call_clobbered_regs): Adjust to the new
963         style.
964         * cfgcleanup.c (thread_jump): Likewise.
965         * cfgrtl.c (safe_insert_insn_on_edge): Likewise.
966         * conflict.c (conflict_graph_compute): Likewise.
967         * flow.c (verify_local_live_at_start, update_life_info,
968         initialize_uninitialized_subregs, propagate_one_insn,
969         init_propagate_block_info, free_propagate_block_info,
970         propagate_block, dump_regset): Likewise.
971         * global.c (global_conflicts): Likewise.
972         * graph.c (start_bb): Likewise.
973         * local-alloc.c (update_equiv_regs): Likewise.
974         * loop.c (load_mems): Likewise.
975         * reload1.c (compute_use_by_pseudos, order_regs_for_reload,
976         find_reg, finish_spills): Likewise.
977         * resource.c (mark_target_live_regs): Likewise.
978         * sched-deps.c (sched_analyze_insn): Likewise.
979         * sched-rgn.c (sched-rgn.c): Likewise.
980         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
981
982 2004-10-18  Jakub Jelinek  <jakub@redhat.com>
983
984         * config/i386/i386.md (addqi_1_slp): Test for incdec_operand
985         operand 1 instead of 2
986
987 2004-10-18  Kazu Hirata  <kazu@cs.umass.edu>
988
989         * loop-unroll.c: Fix comment typos.
990
991 2004-10-18  Revital Eres  <eres@il.ibm.com>
992
993         * Makefile.in (loop-unroll.o): Add VARRAY_H dependency.
994         * loop-unroll.c: Include varray.h.
995         (struct var_to_expand, struct opt_info): Rename split_ivs_info to
996         opt_info and expand it to support variable expansion.
997         (analyze_insns_in_loop): Rename analyze_ivs_to_split and
998         expand it to support variable expansion.
999         (pt_info_start_duplication): Rename si_info_start_duplication.
1000         (apply_opt_in_copies): Rename split_ivs_in_copies and add support
1001         to the variable expansion optimization.
1002         (free_opt_info): Rename free_si_info.
1003         (analyze_insn_to_expand_var, referenced_in_one_insn_in_loop_p,
1004         expand_var_during_unrolling, insert_var_expansion_initialization,
1005         combine_var_copies_in_loop_exit, release_var_copies,
1006         get_expansion): New functions.
1007         (peel_loop_completely, unroll_loop_constant_iterations,
1008         unroll_loop_runtime_iterations, peel_loop_simple,
1009         unroll_loop_stupid): Change uses of struct si_info
1010         to struct opt_info
1011         and add uses of fvariable-expansion-in-unroller flag.
1012         * params.def: Add parameter to restrict the number of expansions.
1013         * params.h: (MAX_VARIABLE_EXPANSIONS): New define to restrict
1014         the number of expansions.
1015         * common.opt: (fvariable-expansion-in-unroller): New flag.
1016         * doc/invoke.texi: (fvariable-expansion-in-unroller): Document.
1017
1018 2004-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
1019
1020         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1021         __GXX_MERGED_TYPEINFO_NAMES to 0.
1022
1023 2004-10-17  Hans-Peter Nilsson  <hp@bitrange.com>
1024
1025         * cfgrtl.c (rtl_verify_flow_info_1): When checking insns in a bb,
1026         handle barriers in a bb by checking that it points to a NULL bb.
1027         * emit-rtl.c (emit_barrier_before): Set BLOCK_FOR_INSN to NULL.
1028         (emit_barrier_after, emit_barrier): Ditto.
1029
1030 2004-10-18  Joseph S. Myers  <jsm@polyomino.org.uk>
1031
1032         * doc/extend.texi (Attribute Syntax): Clarify details of
1033         attributes on parameters.
1034
1035 2004-10-17  Zdenek Dvorak  <dvorakz@suse.cz>
1036
1037         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Move checking out of
1038         loop.
1039
1040 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1041
1042         Revert:
1043         2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1044
1045         * c-typeck.c (default_function_array_conversion): Always create
1046         &a[0] for array types.
1047         (build_unary_op): Do not fold &a[x] into a + x.
1048
1049 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1050
1051         PR middle-end/17925
1052         * cfgexpand.c (expand_gimple_cond_expr): Emit line notes for next basic
1053         block if there is a goto with a locus.
1054
1055 2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>
1056
1057         * config/elfos.h, config/gofast.h, config/interix.h,
1058         config/netbsd.h, config/svr3.h, config/vxworks.h,
1059         config/alpha/alpha-modes.def, config/alpha/alpha-protos.h,
1060         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
1061         config/alpha/netbsd.h, config/arm/arm-modes.def,
1062         config/arm/unknown-elf.h, config/c4x/c4x-modes.def,
1063         config/cris/aout.h, config/frv/frv-modes.def,
1064         config/i386/beos-elf.h, config/i386/gas.h,
1065         config/i386/i386-coff.h, config/i386/i386-modes.def,
1066         config/i386/linux.h, config/i386/linux64.h,
1067         config/i386/mingw32.h, config/i386/netbsd-elf.h,
1068         config/i386/netbsd64.h, config/i386/sco5.h,
1069         config/i386/sol2.h, config/i386/uwin.h, config/i860/i860.md,
1070         config/ia64/ia64-modes.def, config/ia64/itanium1.md,
1071         config/ia64/itanium2.md, config/m68k/m68k-modes.def,
1072         config/mips/mips-modes.def, config/mips/sdb.h,
1073         config/mips/vr.h, config/mips/vxworks.h,
1074         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
1075         config/pa/pa32-linux.h, config/rs6000/40x.md,
1076         config/rs6000/7450.md, config/rs6000/8540.md,
1077         config/rs6000/linuxspe.h, config/rs6000/power4.md,
1078         config/rs6000/rs6000-modes.def, config/rs6000/rtems.h,
1079         config/rs6000/spe.h, config/s390/2064.md, config/s390/linux.h,
1080         config/s390/s390-modes.def, config/sh/elf.h,
1081         config/sh/sh-modes.def, config/sh/sh64.h,
1082         config/sparc/ultra1_2.md, config/sparc/ultra3.md,
1083         config/stormy16/stormy16.md, config/v850/v850-protos.h,
1084         config/vax/vax.md: Update copyright.
1085
1086 2004-10-17  Kazu Hirata  <kazu@cs.umass.edu>
1087
1088         * expr.c (expand_expr_real_1): Remove an obsolete comment.
1089
1090 2004-10-17  Andrew Pinski  <pinskia@physics.uc.edu>
1091
1092         * c-typeck.c (default_function_array_conversion): Always create
1093         &a[0] for array types.
1094         (build_unary_op): Do not fold &a[x] into a + x.
1095
1096 2004-10-17  Jakub Jelinek  <jakub@redhat.com>
1097
1098         * pointer-set.c (hash1): Use integer part of 2^64 / phi
1099         instead 2^32 / phi if long is 64-bit.
1100
1101 2004-10-17  Joseph S. Myers  <jsm@polyomino.org.uk>
1102
1103         * c-common.h (enum rid): Remove RID_PTRBASE, RID_PTREXTENT and
1104         RID_PTRVALUE.
1105         * c-parse.in (PTR_VALUE, PTR_BASE, PTR_EXTENT): Remove %token
1106         declarations.
1107         (reswords): Remove __ptrbase, __ptrbase__, __ptrextent,
1108         __ptrextent__, __ptrvalue and __ptrvalue__.
1109         (rid_to_yy): Remove RID_PTRBASE, RID_PTREXTENT and RID_PTRVALUE
1110         entries.
1111
1112 2004-10-16  Dale Johannesen  <dalej@apple.com>
1113
1114         * c-common.c (c_common_get_alias_set):  Use GGC for type_hash_table.
1115
1116 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1117
1118         PR tree-optimization/17766
1119         * basic-block.h (enum dom_state): DOM_CONS_OK removed.
1120         (dom_info_available_p): Declare.
1121         * cfghooks.c (split_block, make_forwarder_block): Use
1122         dom_info_available_p.
1123         * dominance.c (compute_dom_fast_query, calculate_dominance_info,
1124         free_dominance_info, verify_dominators): Ditto.
1125         (dom_info_available_p): New function.
1126         * tree-cfg.c (cleanup_control_expr_graph): Free dominance information.
1127         (thread_jumps): Use dom_info_available_p.
1128         * tree-complex.c (expand_complex_div_wide): Ditto.
1129         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1130
1131 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1132
1133         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field important_candidates.
1134         (find_best_candidate): Take also important candidates into account.
1135         (find_optimal_iv_set): Initialize important_candidates bitmap.
1136
1137 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1138
1139         PR tree-optimization/17560
1140         * predict.c (tree_estimate_probability): Mark irreducible
1141         loops.
1142
1143 2004-10-16  Zdenek Dvorak  <dvorakz@suse.cz>
1144
1145         PR rtl-optimization/17723
1146         * cfgcleanup.c (merge_memattrs): Handle case when
1147         MEM_SIZE == NULL_RTX.
1148
1149 2004-10-15  Andrew Pinski  <pinskia@physics.uc.edu>
1150
1151         * toplev.c (dump_file_name): Change type to be const.
1152
1153 2004-10-15  Joseph S. Myers  <jsm@polyomino.org.uk>
1154
1155         * c-typeck.c (build_compound_expr, build_c_cast): Don't try to use
1156         non_lvalue to stop something being a null pointer constant.
1157
1158 2004-10-15  Aldy Hernandez  <aldyh@redhat.com>
1159
1160         * config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): FPRs are only
1161         available for TARGET_FPRS.
1162         (FUNCTION_VALUE_REGNO_P): Same.
1163
1164 2004-10-15  Geoffrey Keating  <geoffk@apple.com>
1165
1166         * doc/invoke.texi (RS/6000 and PowerPC Options): Document
1167         -maltivec in same style as other ISA options.
1168
1169 2004-10-15  Jon Grimm <jgrimm2@us.ibm.com>
1170
1171         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __powerpc__
1172         definition.
1173
1174 2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>
1175
1176         * bitmap.c, bitmap.h, builtin-attrs.def, cfglayout.h,
1177         collect2.h, conflict.c, coretypes.h, coverage.h, errors.h,
1178         gcc.h, gcov-dump.c, gen-protos.c, gencheck.c, gencodes.c,
1179         genconstants.c, gengenrtl.c, genmodes.c, genpeep.c,
1180         gensupport.h, graph.h, gthr-gnat.c, gthr-gnat.h, gthr-posix.c,
1181         gthr-posix.h, hard-reg-set.h, hwint.h, integrate.h, libgcc2.c,
1182         lists.c, machmode.def, mips-tdump.c, opts.h, params.c,
1183         predict.def, predict.h, protoize.c, reload.h, resource.h,
1184         rtl-error.c, sbitmap.c, sbitmap.h, sreal.c, tlink.c,
1185         tree-dump.h, tree-inline.h, unwind-dw2-fde.c, unwind-dw2.c,
1186         unwind-sjlj.c, value-prof.h: Update copyright.
1187
1188 2004-10-15  Kazu Hirata  <kazu@cs.umass.edu>
1189
1190         * pointer-set.c, tree-vectorizer.c: Fix comment typos.
1191
1192 2004-10-15  Diego Novillo  <dnovillo@redhat.com>
1193
1194         * tree-optimize.c (execute_one_pass): Stop timer right after
1195         executing the pass.
1196
1197 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1198
1199         Revert:
1200         2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1201         PR middle-end/17967
1202         Revert:
1203                 * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
1204                 (remove_useless_stmts_1):  Fold trees we know how to fold.
1205
1206 2004-10-14  David Edelsohn  <edelsohn@gnu.org>
1207
1208         * configure.ac: Add .machine power4 directive when testing for
1209         mfcr field.
1210         * configure: Regenerate.
1211
1212 2004-10-14  Geoffrey Keating  <geoffk@apple.com>
1213
1214         * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION): Don't define.
1215
1216 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1217
1218         * tree-vectorizer.c (vect_transform_loop): Declare vectorization_factor
1219         always.
1220
1221 2004-10-14  Daniel Jacobowitz  <dan@codesourcery.com>
1222
1223         * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Return NO_REGS
1224         for 'f' if !TARGET_FPRS.
1225
1226 2004-10-14  Richard Henderson  <rth@redhat.com>
1227
1228         PR debug/14492
1229         * dwarf2out.c (loc_descriptor_from_tree_1): Handle FIX_*_EXPR.
1230
1231 2004-10-14  Richard Henderson  <rth@redhat.com>
1232
1233         PR c/17023
1234         * c-decl.c (store_parm_decls_oldstyle): Care for parameter type
1235         as error_mark_node.
1236         * c-parse.in (compstmt_primary_start): Check cur_stmt_list non-null
1237         instaed of current_function_decl non-null.
1238
1239 2004-10-14  Matt Austern  <austern@apple.com>
1240
1241         * pointer-set.c: New file, special-purpose hash table.
1242         * pointer-set.h: New file.
1243         * tree.h (struct pointer_set_t): Declare as opaque type.
1244         (tree_walk): Last argument is pointer_set_t* now.
1245         * tree-inline.c (WALK_SUBTREE): Convert from htab to pset.
1246         (walk_type_fields):
1247         (walk_tree): Convert from htab_t to pointer_set_t for keeping
1248         track of which nodes have already been visited.
1249         (walk_tree_without_duplicates): Convert from htab_t to pointer_set_t.
1250         * cgraphunit.c (cgraph_create_edges): Likewise.
1251         (cgraph_characterize_statics_local): Likewise.
1252         * tree-dfa.c (collect_dfa_stats): Likewise.
1253         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Last arg is
1254         pointer_set_t* now.
1255         * langhooks.c (lhd_tree_inlining_walk_subtrees): Likewise.
1256         * langhooks.h (struct lang_hooks_for_tree_inlining): Last arg type
1257         of walk_subtrees is pointer_set_t* now.
1258         * Makefile.in (OBJS-common): add pointer-set.o
1259         (tree-inline.o): Depends on pointer-set.h
1260         (tree-dfa.o): Likewise
1261         (cgraphunit.o): Likewise
1262
1263 2004-10-14  Geoffrey Keating  <geoffk@apple.com>
1264
1265         * config/rs6000/darwin.h (ASM_SPEC): Delete.
1266         (TARGET_ASM_FILE_START): Define.
1267         * config/darwin.h (ASM_SPEC): Define.
1268         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Don't supply
1269         -mlong-double-128, it's the default.  Update comment about reason
1270         for force_cpusubtype_ALL.
1271         * config/rs6000/darwin-vecsave.asm: Supply .machine.
1272         * config/rs6000/darwin-world.asm: Likewise.
1273         * config/rs6000/rs6000.c (rs6000_darwin_file_start): New.
1274         (symbolic_operand): Delete #if 0ed code.
1275
1276 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1277
1278         * stmt.c (add_case_node): Make sure that we have integer
1279         constant before calling tree_int_cst_compare.
1280
1281 2004-10-14  Andrew Pinski  <pinskia@physics.uc.edu>
1282
1283         PR middle-end/17967
1284         Revert:
1285                 * tree-cfg.c (remove_usless_stmts_cond):  Fold statement.
1286                 (remove_useless_stmts_1):  Fold trees we know how to fold.
1287
1288 2004-10-14  Joseph S. Myers  <joseph@codesourcery.com>
1289
1290         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS),
1291         config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow
1292         -m64.
1293
1294 2004-10-14  Ulrich Weigand  <uweigand@de.ibm.com>
1295
1296         * reload.c (find_reloads): When reloading a PLUS with constant
1297         operand, make sure the constant is pushed to the constant pool
1298         if required.
1299         * config/s390/s390.c (s390_secondary_input_reload_class): Remove
1300         reload bug workaround.
1301         (s390_expand_plus_operand): Likewise.
1302
1303 2004-10-14  David Edelsohn  <edelsohn@gnu.org>
1304
1305         * opts.c (common_handle_option): Do not enable
1306         flag_speculative_prefetching for -fprofile-generate/use.
1307
1308 2004-10-14  Devang Patel  <dpatel@apple.com>
1309
1310         PR 17635
1311         * tree-if-conv.c (process_phi_nodes): Process latch block.
1312         (combine_blocks): Process latch block and update loop structure.
1313
1314 2004-10-14  Olga Golovanevsky  <olga@il.ibm.com>
1315
1316         * tree-vectorizer.c (vect_generate_tmps_on_preheader):
1317         (vect_update_ivs_after_vectorizer):
1318         (vect_transform_for_unknown_loop_bound):
1319         (tree_duplicate_loop_to_edge):
1320         (allocate_new_names):
1321         (rename_use_op):
1322         (rename_def_op):
1323         (rename_variables_in_bb):
1324         (free_new_names):
1325         (rename_variables_in_loop):
1326         (copy_phi_nodes):
1327         (update_phis_for_duplicate_loop):
1328         (update_phi_nodes_for_guard):
1329         (make_loop_iterate_ntimes):
1330         (tree_duplicate_loop_to_edge_cfg):
1331         (add_loop_guard):
1332         (vect_analyze_loop_with_symbolic_num_of_iters):
1333         (verify_loop_for_duplication):
1334         (vect_gen_niters_for_prolog_loop):
1335         (vect_update_niters_after_peeling):
1336         (vect_update_inits_of_dr):
1337         (vect_update_inits_of_drs):
1338         (vect_build_loop_niters):
1339         (vect_do_peeling_for_alignment): New functions.
1340         (vect_transform_loop): Add unknown and known but indivisible loop
1341         bound support; add peeling for unalignment support.
1342         (vect_analyze_loop_form): Support symbolic number of iterations.
1343         (vect_transform_loop_bound): New input parameter.
1344         (vect_get_loop_niters): Change input parameter type.
1345         (new_loop_vec_info): LOOP_VINFO_NITERS is tree now.
1346         (vectorizable_store): Allow unaligned access.
1347         (vectorize_loops): Add rewrite_into_loop_closed_ssa.
1348         (vect_analyze_data_refs_alignment): Allowed one unaligned
1349         store.
1350         * tree-vectorizer.h (LOOP_VINFO_NITERS_KNOWN_P): Redefined
1351         to use tree.
1352         (LOOP_VINFO_INT_NITERS): New macro.
1353         (MAX_NUMBER_OF_UNALIGNED_DATA_REFS): New define.
1354         (do_peeling_for_alignment):
1355         (unaligned_drs): New members of _loop_vec_info.
1356         (LOOP_DO_PEELING_FOR_ALIGNMENT): New macro.
1357
1358 2004-10-14  Ranjit Mathew  <rmathew@hotmail.com>
1359
1360         * tree.h (TREE_STRING_POINTER): Wrap in "const char *".
1361         (struct tree_string): Remove "const" qualifier for "str".
1362
1363 2004-10-14  Ira Rosen  <irar@il.ibm.com>
1364
1365         * tree-vectorizer.c (vect_analyze_data_refs): Call
1366         vect_get_base_and_bit_offset to get memory tag for array ref.
1367         (vect_create_addr_base_for_vector_ref): Remove redundant checks.
1368
1369 2004-10-14  Richard Earnshaw  <rearnsha@arm.com>
1370
1371         * configure.ac: Use $LN_S for creating symlinks (not $LN).
1372         * configure: Regenerate.
1373
1374 2004-10-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1375
1376         * doc/install.texi (*-*-solaris2*): Update with info about kernel
1377         patches to solve spurious testsuite failures.
1378
1379 2004-10-14  Dorit Naishlos  <dorit@il.bim.com>
1380
1381         * tree-vectorizer.c (get_vectype_for_scalar_type): Added debug prinouts.
1382         Added check that vectype is VECTOR_MODE_P, instead of check for BLKmode.
1383         (vect_analyze_operations): Make sure the vectorization factor > 1. Add
1384         gcc_assert under ENABLE_CHECKING.
1385         (vectorizable_operation): Remove check for VECTOR_MODE_P (moved to
1386         get_vectype_for_scalar_type).
1387
1388         (vect_get_vec_def_for_operand): Remove redundant variables.
1389         (vect_transform_loop): Likewise.
1390
1391 2004-10-14  Richard Sandiford  <rsandifo@redhat.com>
1392
1393         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Make r11 fixed and
1394         global for -mcaller-super-interworking.
1395         (CALLER_INTERWORKING_SLOT_SIZE): New macro.
1396         * config/arm/arm.c (thumb_compute_save_reg_mask): Save r11 if
1397         CALLER_INTERWORKING_SLOT_SIZE is nonzero and the function does
1398         not need a frame pointer.
1399         (arm_get_frame_offsets): Add CALLER_INTERWORKING_SLOT_SIZE bytes to
1400         the soft frame pointer offset.
1401         (thumb_expand_prologue): Set up r11 for -mcaller-super-interworking.
1402         * config/arm/arm.md (*call_reg_thumb, *call_value_reg_thumb): Use
1403         _interwork_{r7,r11}_call_via_rN if some arguments are passed on
1404         the stack.  Use frame_pointer_needed to choose between them.
1405         * config/arm/lib1funcs.asm (_arm_return_{r7,r11}): New functions.
1406         (interwork_with_frame): New macro.
1407         (interwork): Add _interwork_{r7,r11}_call_via_rN().
1408
1409 2004-10-14  Ben Elliston  <bje@au.ibm.com>
1410
1411         PR other/17900
1412         * diagnostic.c (trim_filename): Fix logic bug in walking backwards
1413         up the filename looking for a previous directory separator.
1414
1415 2004-10-14  Joseph S. Myers  <jsm@polyomino.org.uk>
1416
1417         * c-tree.h (enum c_typespec_kind, struct c_typespec,
1418         parser_xref_tag): New.
1419         (struct c_declspecs): Add tag_defined_p.  Adjust definition of
1420         typedef_p.
1421         (declspecs_add_type): Adjust prototypes.
1422         * c-parse.in (%union): Add tstype.
1423         (typespec_nonattr, typespec_attr, typespec_reserved_nonattr,
1424         typespec_reserved_attr, typespec_nonreserved_nonattr,
1425         structsp_attr, structsp_nonattr): Change to tstype.  Update
1426         actions.
1427         * c-decl.c (build_null_declspecs): Initialize tag_defined_p.
1428         (declspecs_add_type): Update to take struct c_typespec argument.
1429         Set tag_defined_p and typedef_p as appropriate.
1430         (xref_tag): Rename to parser_xref_tag and replace by wrapper.
1431         Update to return struct c_typespec.
1432         (shadow_tag_warned): Don't let empty declarations with qualifiers
1433         or storage class specifiers redeclare a tag if a previous
1434         declaration is visible.
1435
1436 2004-10-13  Richard Henderson  <rth@redhat.com>
1437
1438         PR debug/15860
1439         * dwarf2out.c (rtl_for_decl_location): Apply big-endian correction
1440         for DECL_INCOMING_RTL.
1441
1442 2004-10-14  Hans-Peter Nilsson  <hp@axis.com>
1443
1444         PR target/17984
1445         * config/cris/cris.md (asrandb, asrandw, lsrandb, lsrandw): Apply
1446         trunc_int_for_mode for constants used in shortened mode.
1447
1448 2004-10-13  Richard Henderson  <rth@redhat.com>
1449
1450         PR c/17384
1451         * c-common.c (handle_mode_attribute): Disallow mode changes that
1452         alter the CODE of the top-level type.
1453
1454         * crtstuff.c (__FRAME_END__): Remove mode attribute.  Find 32-bit
1455         integer from internal limits macros.
1456         * config/i386/mm3dnow.h (__v2sf): Fix base type.
1457
1458 2004-10-13  Richard Henderson  <rth@redhat.com>
1459
1460         PR debug/13841
1461         * function.c (instantiate_decl): Recurse for CONCAT.
1462
1463 2004-10-13  David Edelsohn  <edelsohn@gnu.org>
1464
1465         * config/rs6000/rs6000.md (andsi3): Add attribute "compare" for
1466         andi./andis.
1467         (anddi3): Same.
1468         (extzvdi_internal1): Add attribute "compare".
1469         (extzvdi_internal2): Same.
1470
1471 2004-10-12  Tom Tromey  <tromey@redhat.com>
1472
1473         * doc/md.texi (Insn Canonicalizations): Removed extraneous quote.
1474
1475 2004-10-13  Dale Johannesen  <dalej@apple.com>
1476
1477         * doc/extend.texi (Extended Asm):  Rewrite asm volatile description.
1478
1479 2004-10-13  Frank Ch. Eigler  <fche@redhat.com>
1480
1481         * toplev.c (compile_file): Call mudflap_finish_file from here ...
1482         * c-decl.c (c_write_global_declarations): ... instead of here ...
1483         * cp/decl.c (cp_finish_file): ... and here.
1484         * tree-mudflap.c (mudflap_enqueue_decl): Reword a warning message.
1485
1486 2004-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
1487
1488         * tree-ssa-dom.c (record_range): Free the element if we are not
1489         going to use it.
1490
1491 2004-10-13  Tom Tromey  <tromey@redhat.com>
1492
1493         PR java/15578:
1494         * gcc.c (option_map): Added --extdirs and --encoding.
1495
1496 2004-10-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1497
1498         PR target/14454
1499         * config/sparc/sparc.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Set to
1500         sparc_can_output_mi_thunk.
1501         (sparc_output_mi_thunk): Simplify handling of delta offset.  Add
1502         handling of vcall offset.
1503         (sparc_can_output_mi_thunk): New predicate.
1504         * doc/tm.texi (TARGET_ASM_OUTPUT_MI_THUNK): Document VCALL_OFFSET.
1505         (TARGET_ASM_OUTPUT_MI_VCALL_THUNK): Delete.
1506         (TARGET_ASM_CAN_OUTPUT_MI_THUNK): New target hook.
1507
1508         * config/sparc/sparc.c (emit_and_preserve): Preserve stack alignment.
1509
1510         * config/sparc/sparc.md (movdi): Remove redundant test.
1511
1512 2004-10-13  Paolo Bonzini  <bonzini@gnu.org>
1513
1514         * tree-dump.c (dump_options): Remove TDF_TREE, TDF_RTL,
1515         TDF_IPA from -fdump-tree-*-all.
1516
1517 2004-10-13  Paul Brook  <paul@codesourcery.com>
1518
1519         * config/arm/arm-protos.h (arm_load_pic_register): Update prototype.
1520         * config/arm/arm.c (thumb_find_work_register): Update comments.
1521         (arm_load_pic_register): Add argument for scratch register.
1522         (arm_expand_prologue, thumb_expand_prologue): Pass extra argument.
1523         * config/arm/arm.md (builtin_setjmp_receiver): Ditto.
1524
1525 2004-10-13  Kazu Hirata  <kazu@cs.umass.edu>
1526
1527         * tree-data-ref.c: Fix comment typos.
1528
1529 2004-10-13  Jakub Jelinek  <jakub@redhat.com>
1530             Zdenek Dvorak  <dvorakz@suse.cz>
1531
1532         PR tree-optimization/17724
1533         * tree-cfg.c (tree_purge_dead_eh_edges): Free dominance info.
1534
1535 2004-10-13  Dorit Naishlos  <dorit@il.ibm.com>
1536
1537         * rs6000.c (altivec_builtin_mask_for_load): Made static GTY(()).
1538         (altivec_builtin_mask_for_store): Likewise.
1539         (altivec_init_builtins): Use lang_hooks.builtin_function to
1540         create the decls for builtin_altivec_mask_for_load/store.
1541
1542 2004-10-13  Nick Clifton  <nickc@redhat.com>
1543
1544         * config/c4x/c4x.c: Remove inclusion of loop.h.
1545
1546 2004-10-12  Ben Elliston  <bje@au.ibm.com>
1547
1548         * basic-block.h (edge_iterator): Keep the address of VEC(edge) *.
1549         (ei_container): New; renamed.
1550         (ei_start, ei_last): New macros.
1551         (ei_start_1, ei_last_1): Renamed from ei_start.
1552         (ei_last_1, ei_end_p): Use ei_container() where applicable.
1553         (ei_one_before_end_p, ei_next, ei_edge): Likewise.
1554         * gcse.c (remove_reachable_equiv_notes): Use ei_container().
1555
1556 2004-10-11  Sebastian Pop  <pop@cri.ensmp.fr>
1557
1558         * Makefile.in (tree-ssa-loop-niter.o): Depends on tree-data-ref.h.
1559         * cfgloop.c (initialize_loops_parallel_p): New.
1560         (flow_loops_find): Initialize the parallel_p field to true for all
1561         the loops.
1562         * tree-ssa-loop-niter.c: Include "tree-data-ref.h".
1563         (estimate_numbers_of_iterations_loop): Infers the loop bounds from
1564         the size of the data accessed in the loop.
1565         (struct nb_iter_bound): Moved...
1566         * cfgloop.h (struct nb_iter_bound): ... here.
1567         (estimated_nb_iterations, parallel_p): New fields in struct loop.
1568         (record_estimate): Declare extern here.
1569         * tree-chrec.c: Fix comments.
1570         (nb_vars_in_chrec): New function.
1571         * tree-chrec.h (nb_vars_in_chrec): Declared here.
1572         * tree-data-ref.c: Don't include lambda.h, that is already included
1573         in tree-data-ref.h.
1574         (tree_fold_divides_p): Don't check for integer_onep.
1575         (tree_fold_bezout): Removed.
1576         (gcd): New static duplicated function.
1577         (int_divides_p, dump_subscript): New.
1578         (dump_data_dependence_relation): Use dump_subscript.
1579         (dump_dist_dir_vectors, dump_ddrs, compute_estimated_nb_iterations,
1580         estimate_niter_from_size_of_data): New.
1581         (analyze_array_indexes, analyze_array): Call
1582         estimate_niter_from_size_of_data during the detection of array
1583         references.  Pass in a pointer to the statement that contains the
1584         array reference.
1585         (all_chrecs_equal_p): New.
1586         (compute_distance_vector): Renamed compute_subscript_distance.
1587         Deal with multivariate conflict functions.
1588         (initialize_data_dependence_relation): Initialize DDR_AFFINE_P,
1589         DDR_SIZE_VECT, DDR_DIST_VECT, and DDR_DIR_VECT.
1590         (non_affine_dependence_relation): New.
1591         (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
1592         analyze_siv_subscript, analyze_miv_subscript,
1593         analyze_overlapping_iterations, subscript_dependence_tester):
1594         Initialize and return last_conflicts function.
1595         (initialize_matrix_A, FLOOR, compute_overlap_steps_for_affine_univar,
1596         compute_overlap_steps_for_affine_1_2): New.
1597         (analyze_siv_subscript_affine_cst): Removed.
1598         (analyze_subscript_affine_affine): Disprove dependences based on the
1599         iteration domains.  Solve the univariate dependence case as before,
1600         but use lambda_matrix_right_hermite instead of tree_fold_bezout.
1601         Implement the multivariate case of 2 versus 1 variables.
1602         (build_classic_dist_vector, build_classic_dir_vector): Implement some
1603         unhandled cases.
1604         (find_data_references_in_loop): Compute and initialize
1605         loop->estimated_nb_iterations and loop->parallel_p.
1606         (analyze_all_data_dependences): Modify the debug dump order.
1607         * tree-data-ref.h (SUB_LAST_CONFLICT_IN_A, SUB_LAST_CONFLICT_IN_B,
1608         subscript->last_conflict_in_a, subscript->last_conflict_in_b): Removed.
1609         (SUB_LAST_CONFLICT, subscript->last_conflict,
1610         data_dependence_relation->affine_p, data_dependence_relation->size_vect,
1611         DDR_AFFINE_P, DDR_SIZE_VECT): New.
1612         (find_data_references_in_loop, initialize_data_dependence_relation,
1613         dump_subscript, dump_ddrs, dump_dist_dir_vectors): Declared here.
1614
1615 2004-10-12  Kelley Cook  <kcook@gcc.gnu.org>
1616
1617         * configure: Regenerate.
1618
1619 2004-10-12  Fariborz Jahanian <fjahanian@apple.com>
1620
1621         PR 17892
1622         * tree-ssa-dom.c (unsafe_associative_fp_binop): New function.
1623         (simplify_rhs_and_lookup_avail_expr): Disallow associativity
1624         and constant folding of floating point MULT_EXPR/PLUS_EXPR
1625         expressions.
1626
1627 2004-10-12  Ulrich Weigand  <uweigand@de.ibm.com>
1628
1629         * config/s390/s390.c (s390_va_start): Use build_va_arg_indirect_ref.
1630         (s390_gimplify_va_arg): Likewise.
1631
1632 2004-10-12  Daniel Jacobowitz  <dan@debian.org>
1633
1634         * defaults.h (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P)
1635         (MODE_BASE_REG_REG_CLASS, REGNO_MODE_OK_FOR_REG_BASE_P)
1636         (REG_MODE_OK_FOR_REG_BASE_P): Provide default definitions.
1637         * regclass.c (record_address_regs): Remove ifdef.  Use
1638         REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
1639         * regrename.c (REG_MODE_OK_FOR_BASE_P): Remove unnecessary
1640         definition.
1641         (scan_rtx_address, replace_oldest_value_addr): Use
1642         REG_MODE_OK_FOR_REG_BASE_P and MODE_BASE_REG_REG_CLASS.
1643         * reload.c (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Remove
1644         unnecessary definitions.
1645         (find_reloads_address_1): Support REG_MODE_OK_FOR_REG_BASE_P
1646         and MODE_BASE_REG_REG_CLASS.
1647         * config/arm/arm.h (MODE_BASE_REG_CLASS): Don't check reload_completed.
1648         (MODE_BASE_REG_REG_CLASS): Define.
1649         (REGNO_MODE_OK_FOR_REG_BASE_P): Define.
1650         (REG_MODE_OK_FOR_REG_BASE_P): Define.
1651         * doc/tm.texi (Register Classes): Document MODE_BASE_REG_REG_CLASS,
1652         REG_MODE_OK_FOR_REG_BASE_P, and REGNO_MODE_OK_FOR_REG_BASE_P.
1653
1654 2004-10-12  Daniel Berlin <dberlin@dberlin.org>
1655
1656         * tree-ssa-alias.c (verify_name_tags): New function.
1657         (verify_flow_sensitive_alias_info): Remove code that used to check name tags.
1658         (verify_alias_info): Call verify_name_tags.
1659
1660 2004-10-12  Kazu Hirata  <kazu@cs.umass.edu>
1661
1662         PR rtl-optimization/17931
1663         * config/i386/i386.c (ix86_rtx_costs): Handle COMPARE with
1664         ZERO_EXTRACT in it.
1665
1666 2004-10-12  Richard Earnshaw  <rearnsha@arm.com>
1667
1668         * arm.c (arm_print_operand): Use output_operand_lossage where possible
1669         rather than aborting.
1670
1671 2004-10-12  Paul Brook  <paul@coudesourcery.com>
1672
1673         * config.gcc: Add armv6{k,z,zk}
1674         * config/arm/arm-cores.def: Add arm1176 and mpcore.
1675         * config/arm/tune.md: Regenerate.
1676         * config/arm/arm.c (FL_FOR_ARCH6K, FL_FOR_ARCH6Z, FL_FOR_ARCH6ZK):
1677         Define.
1678         (all_architectures): Add armv6k, armv6z, armv6zk.
1679         * config/arm/lib1funcs.asm: Recognise new arm arcitectures.
1680         * doc/invoke.texi: Document new arch and cpu values.
1681
1682 2004-10-12  Paul Brook  <paul@coodesourcery.com>
1683
1684         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Change meabi=3 to
1685         meabi=4.
1686
1687 2004-10-12  Paul Brook  <paul@codesourcery.com>
1688
1689         * config/arm/arm.md (addsi3_cbranch_scratch): Correct constraints.
1690         Handle negative constants.
1691
1692 2004-10-12  Joseph S. Myers  <jsm@polyomino.org.uk>
1693
1694         PR c/17301
1695         * c-typeck.c (convert_arguments): Return error_mark_node if there
1696         are too few arguments.
1697         (build_function_call): Handle error_mark_node return from
1698         convert_arguments.
1699
1700 2004-10-06  Paolo Bonzini  <bonzini@gnu.org>
1701
1702         * configure.ac (symbolic_link): Replace with $LN_S.
1703         (Assembler/Linker): Hard link from gas and binutils trees.
1704         * aclocal.m4 (gcc_AC_PROG_LN_S): Try "cp -p" before cp.
1705         * configure: Regenerate.
1706
1707 2004-10-12  Paul Brook  <paul@codesourcery.com>
1708
1709         * configure.ac: Don't look for host assembler when building a canadian
1710         cross.
1711         * configure: Regenerate.
1712
1713 2004-10-11  Roger Sayle  <roger@eyesopen.com>
1714
1715         PR other/17361
1716         * c-opts.c (permit_fortran_options): Delete/obsolete global variable.
1717         (c_common_init_options): Remove #ifdef CL_F77 code.  Scan command
1718         line options for "-lang-asm" and if found allow any of the C-family
1719         front-end options.
1720         (c_common_handle_option): Remove last use of permit_fortran_options.
1721
1722 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
1723
1724         * config/s390/s390.c (print_operand): Support 'S' format flag.
1725         * config/s390/s390.md ("*tmqi_mem"): Use 'S' format flag.
1726         ("*tstsi", "*tstsi_cconly", "*tstsi_cconly2"): Likewise.
1727         ("*tsthiCCT", "*tsthiCCT_cconly", "*tsthi", "*tsthi_cconly"): Likewise.
1728         ("*tstqiCCT", "*tstqiCCT_cconly", "*tstqi", "*tstqi_cconly"): Likewise.
1729         ("*cmphi_ccu", "*cmpqi_ccu", "*clc"): Likewise
1730         ("movti", "*movdi_31", "*movqi", "*movdf_31", "*mvc"): Likewise.
1731         ("*movstricthi"): Likewise.
1732         ("*load_multiple_di", "*load_multiple_si"): Likewise.
1733         ("*store_multiple_di", "*store_multiple_si"): Likewise.
1734         ("*sethiqisi", "*sethihisi"): Likewise.
1735         ("*sethiqidi_64", "*sethiqidi_31"): Likewise.
1736         ("*andqi3_zarch", "*andqi3_esa", "*nc"): Likewise.
1737         ("*iorqi3_zarch", "*iorqi3_esa", "*oc"): Likewise.
1738         ("*xorqi3", "*xc", "*xc_zero"): Likewise.
1739         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Likewise.
1740
1741         ("*tmhi_full"): Fix incorrect op_type attribute.
1742
1743         ("*adddi3_alc_cc", "*adddi3_alc"): Remove double backslash.
1744         ("*subdi3_slb_cc", "*subdi3_slb"): Likewise.
1745         ("*addsi3_alc_cc", "*addsi3_alc"): Likewise.
1746         ("*subsi3_slb_cc", "*subsi3_slb"): Likewise.
1747
1748 2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu
1749
1750         PR middle-end/16266
1751         * function.c (temp_slots_at_level): Fix typo which creates too
1752         many temp stack slots levels.
1753
1754 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
1755
1756         * config/s390/s390.c (s390_trampoline_template): Generate shorter
1757         trampoline code.
1758         (s390_trampoline_instantiate): Adapt.
1759         * config/s390/s390.h (TRAMPOLINE_SIZE): Adapt to new code.
1760
1761 2004-10-11  Roger Sayle  <roger@eyesopen.com>
1762
1763         PR middle-end/17657
1764         * stmt.c (add_case_node): Add additional type argument.  Declare
1765         as static to match prototype.  Convert the upper and lower bounds
1766         to the specified index type.  Optimize away case ranges/values
1767         that are outside the index type's bounds.  Truncate case ranges
1768         that span the index type's bounds.
1769         (expand_case): Avoid unnessary computation and memory allocation
1770         when index type is error_mark_node.  Pass index_type as required
1771         by change to add_case_node API.  No need to convert case range
1772         bounds to index_type, this is now done by add_case_node.
1773
1774 2004-10-11  Ulrich Weigand  <uweigand@de.ibm.com>
1775
1776         * config/s390/s390-protos.h (s390_offset_p): Add prototype.
1777         * config/s390/s390.c (s390_offset_p): New function.
1778         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccu",
1779         "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use splitter to
1780         transform Q->Q alternatives to *clc pattern.
1781         ("*clc"): Move.
1782         ("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
1783         "*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf"): Use splitter
1784         to transform Q->Q alternatives to *mvc pattern.
1785         ("*mvc"): Move.  Add peephole to merge adjacent MVCs.
1786         ("*anddi3", "*andsi3_zarch", "*andsi3_esa", "*andhi3_zarch",
1787         "*andhi3_esa", "*andqi3_zarch", "*andqi3_esa"): Use splitter to
1788         transform Q->Q alternatives to *nc pattern.
1789         ("*nc"): New insn.  New peephole to merge adjacent NCs.
1790         ("*iordi3", "*iorsi3_zarch", "*iorsi3_esa", "*iorhi3_zarch",
1791         "*iorhi3_esa", "*iorqi3_zarch", "*iorqi3_esa"): Use splitter to
1792         transform Q->Q alternatives to *oc pattern.
1793         ("*oc"): New insn.  New peephole to merge adjacent OCs.
1794         ("*xordi3", "*xorsi3", "*xorhi3", "*xorqi3"): Use splitter to
1795         transform Q->Q alternatives to *xc pattern.
1796         ("*xc"): New insn.  New peephole to merge adjacent XCs.
1797         ("*xc_zero"): Move.  Add peephole to merge adjacent XCs.
1798
1799 2004-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
1800
1801         * gimplify.c (gimple_push_condition): Make sure that we don't
1802         have any saved condition cleanup if we were at the top level.
1803
1804 2004-10-11  Richard Sandiford  <rsandifo@redhat.com>
1805
1806         * config/frv/frv.md (*adddi3_internal): Change name to...
1807         (adddi3): ...replacing the exisiting define_expand.  Combine
1808         alternatives.  Fix the range of the constant constraints ('J' instead
1809         of 'NOP').  Remove bogus operands[2] check.  Use simplify_gen_subreg
1810         to extract the lower and upper halves of the DImode operands.
1811         Always use addi3_lower and adddi3_upper, not the subdi3 forms.
1812         (adddi3_lower): Fix the range of the constant constraints and
1813         remove the bogus operands[2] check.
1814         (adddi3_upper): Use gpr_or_int10_operand as the predicate for
1815         operand 2.  Use addxi to handle constant operands.
1816         (subdi3_lower, subdi3_upper): Don't handle constant operands.
1817
1818 2004-10-11  Nathan Sidwell  <nathan@codesourcery.com>
1819
1820         * gengtype-lex.l: Add commented } & ) characters to unconfuse
1821         editor's paren matching. Allow #define inside a struct.
1822
1823 2004-10-10  Andrew Pinski  <pinskia@physics.uc.edu>
1824
1825         PR middle-end/17703
1826         part of PR c++/17657
1827         * fold-const.c (fold_build_cleanup_point_expr): New function.
1828         * tree.h (fold_build_cleanup_point_expr): Prototype.
1829
1830 2004-10-10  Eric Christopher  <echristo@redhat.com>
1831
1832         * dwarf2out.c: Move attribute to subprogram declaration
1833         instead of subroutine type.
1834
1835 2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>
1836
1837         * basic-block.h: Remove the prototypes for can_hoist_insn_p,
1838         hoist_insn_after, and hoist_insn_to_edge.
1839         * rtl.h: Remove the prototypes for reg_referenced_between_p,
1840         no_jumps_between_p, and insn_dependent_p.
1841         * rtlanal.c (no_jumps_between_p, reg_referenced_between_p,
1842         insn_dependent_p, insn_dependent_p_1, hoist_test_store,
1843         can_hoist_insn_p, hoist_update_store, hoist_insn_after,
1844         hoist_insn_to_edge): Remove.
1845
1846 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
1847
1848         PR c/17881
1849         * c-decl.c (grokparms): Don't warn for parameters of incomplete
1850         type in declarations that are not definitions except for the case
1851         of parameters of void type.
1852
1853 2004-10-10  Kazu Hirata  <kazu@cs.umass.edu>
1854
1855         * tree-cfg.c: Fix comment typos.
1856
1857 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
1858
1859         PR c/17301
1860         * builtins.c (expand_builtin_va_start): Check for too few
1861         arguments to va_start.
1862
1863 2004-10-10  Joseph S. Myers  <jsm@polyomino.org.uk>
1864
1865         PR c/17189
1866         * c-decl.c (grokfield): Make diagnostic for bad cases of unnamed
1867         fields a pedwarn.  Pedwarn here for unnamed structs/unions if
1868         pedantic.
1869         * c-parse.in (component_decl): Don't pedwarn here for unnamed
1870         fields.
1871
1872 2004-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
1873
1874         PR tree-optimization/17906
1875         * tree-tailcall.c (tree_optimize_tail_calls_1): Do not attempt to
1876         copy non-gimple reg arguments.
1877
1878 2004-10-09  Roger Sayle  <roger@eyesopen.com>
1879
1880         PR rtl-optimization/17853
1881         * simplify-rtx.c (simplify_relational_operation): Correct comment.
1882         Reorganize handling of comparison operations with floating point
1883         results (always return 0.0 even without FLOAT_STORE_FLAG_VALUE).
1884         Likewise, introduce support for comparison operations with vector
1885         result types, introducing a new VECTOR_STORE_FLAG_VALUE target macro.
1886
1887         * doc/rtl.texi: Document new VECTOR_STORE_FLAG_VALUE target macro.
1888         * doc/tm.texi: Likewise.
1889
1890 2004-10-09  Steven Bosscher  <stevenb@suse.de>
1891
1892         * regs.h (struct reg_info_def): Remove the last_node_uid and
1893         changes_mode fields.
1894         (REGNO_LAST_NOTE_UID): Don't define.
1895         * regclass.c (reg_scan_mark_refs): Don't set REGNO_LAST_NOTE_UID.
1896         * regmove.c (copy_src_to_dest): Likewise.
1897
1898 2004-10-09  Roger Sayle  <roger@eyesopen.com>
1899
1900         PR middle-end/17894
1901         * fold-const.c (fold_div_compare): When optimizing X/C1 op C2, the
1902         relational comparison operator op needs to be swapped/reversed when
1903         C1 is negative.  i.e. X/-10 < 1 becomes X >= -9, not X < -9.
1904
1905 2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
1906
1907         PR tree-opt/17902
1908         * tree-ssa-phiopt.c (conditional_replacement): Use bsi_after_labels
1909         instead of bsi_start.
1910         (value_replacement): Likewise.
1911         (abs_replacement): Likewise
1912
1913 2004-10-09  Steven Bosscher  <stevenb@suse.de>
1914
1915         * cfgexpand.c (maybe_dump_rtl_for_tree_stmt): New function.
1916         (expand_gimple_cond_expr, expand_gimple_tailcall,
1917         expand_gimple_basic_block): Use it to dump RTL for each stmt.
1918         (tree_expand_cfg): Announce full RTL function dump.
1919         * tree-optimize.c (execute_one_pass): Use normal RTL printing,
1920         not the graph version.
1921         * tree-pretty-print.c (dump_generic_node): Allow empty statements
1922         in the arms of a COND_EXPR for lowered nodes.
1923
1924 2004-10-08  Joseph S. Myers  <joseph@codesourcery.com>
1925
1926         * config/rs6000/spe.h (atosfix16, atosfix32, atosfix64, atoufix16,
1927         atoufix32, atoufix64, strtosfix16, strtosfix32, strtosfix64,
1928         strtoufix16, strtoufix32, strtoufix64): Declare.
1929
1930 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1931
1932         * c-lex.c (interpret_float): Give a pedwarn rather than a warning
1933         for an out-of-range floating point constant.
1934         * builtins.c (fold_builtin_inf): Give a pedwarn rather than a
1935         warning if the target format does not support infinities.
1936
1937 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
1938
1939         * emit-rtl.c (last_label_num, base_label_num): Remove.
1940         (max_label_num): Always return label_num.
1941         (set_new_last_label_num, restore_emit_status): Remove.
1942         (init_emit): Don't initialize last_label_num.
1943         * function.c (pop_function_context_from): Don't call
1944         restore_emit_status.
1945         * function.h: Remove the prototype for restore_emit_status.
1946         * rtl.h: Remove the prototype for set_new_last_label_num.
1947
1948 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
1949
1950         * stmt.c (expand_decl_init): Remove.
1951         * tree.h: Remove the corresponding prototype.
1952
1953 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
1954
1955         * integrate.c (try_constants, subst_constants, mark_stores):
1956         Remove.
1957         * integrate.h: Remove the prototype for try_constants.
1958
1959 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
1960
1961         * c-typeck.c (enum impl_conv): Add ic_argpass_nonproto.
1962         (convert_for_assignment): Handle ic_argpass_nonproto.  Add
1963         comments about its relevance to errors.
1964         (c_convert_parm_for_inlining): Use ic_argpass_nonproto.
1965
1966 2004-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
1967
1968         PR c/16999
1969         * c-ppoutput.c (cb_ident): Don't quote string as it is already
1970         quoted.
1971
1972 2004-10-08  Diego Novillo  <dnovillo@redhat.com>
1973
1974         * tree-ssa-pre.c (init_pre): Use size of ARRAY_REF to allocate
1975         reference_node_pool.
1976
1977 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
1978
1979         * tree-cfg.c: Fix a comment typo.
1980
1981 2004-10-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1982
1983         * config/s390/s390.c (s390_register_info): Don't save fprs for
1984         -msoft-float.
1985         (s390_conditional_register_usage): Make fprs 'fixed' for -msoft-float.
1986
1987 2004-10-08  Ulrich Weigand  <uweigand@de.ibm.com>
1988
1989         * config/s390/s390.h (TARGET_DEFAULT_BACKCHAIN): New define.
1990         (TARGET_DEFAULT): Use symbolic values.
1991         * config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Redefine.
1992         (TARGET_DEFAULT): Use symbolic values.
1993         * config/s390/s390.c (s390_backchain_string): Initialize to
1994         TARGET_DEFAULT_BACKCHAIN.
1995
1996 2004-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1997
1998         * builtins.c (expand_builtin_mempcpy): Move tree handling code to
1999         fold_builtin_mempcpy.  Accept a type parameter.  Delete duplicate
2000         code.
2001         (expand_builtin_strcat): Accept a type parameter.
2002         (fold_builtin_mempcpy): Accept a type and endp parameter.
2003
2004         * builtins.c (expand_builtin_strncpy): Delete duplicate code.
2005         Accept an `exp' instead of an `arglist'.
2006
2007 2004-10-08  Nathan Sidwell  <nathan@codesourcery.com>
2008
2009         * tree-tailcall.c (tree_optimize_tail_calls_1): Use fold_convert,
2010         reverting my 2004-09-07 patch to use build_int_cst.
2011
2012 2004-10-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2013
2014         PR target/17245
2015         * config/sparc/sparc.c (input_operand): Remove redundant code
2016         for handling LO_SUM.
2017         (legitimate_address_p) <REG+REG>: Do not recheck TARGET_V9.
2018         <LO_SUM>: If LO_SUM is offsettable, accept it for TFmode on V9.
2019         Otherwise only accept it for TFmode if quad move insns are available.
2020
2021 2004-10-08  Kazu Hirata  <kazu@cs.umass.edu>
2022
2023         * tree-cfg.c (tree_forwarder_block_p): Reorder checks so that
2024         common cases will be caught earlier than others.
2025
2026 2004-10-08  Michael Matz  <matz@suse.de>
2027
2028         * loop-doloop.c (doloop_optimize): Extend count.
2029
2030 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2031
2032         * config/sh/sh.md (prefetch_media, prefetch_i4): New insns.
2033         (prefetch): Convert to expander.
2034
2035 2004-10-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2036
2037         * config/sh/sh.md (tls_global_dynamic): Use MEM pattern for the
2038         first argument of CALL.
2039         (tls_local_dynamic): Likewise.
2040
2041 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
2042
2043         * c-typeck.c (enum impl_conv): New.
2044         (convert_for_assignment): Use it.  Take tree for function called
2045         instead of its name.  Handle ObjC selectors for diagnostics at
2046         start of function.  Select diagnostic text within the function
2047         using full sentences for diagnsotics.  Use %qE to name functions
2048         in diagnostics.
2049         (convert_arguments, build_modify_expr,
2050         c_convert_parm_for_inlining, digest_init, c_finish_return): Update
2051         callers to convert_for_assignment.
2052         (warn_for_assignment): Remove.
2053
2054 2004-10-08  Nick Clifton  <nickc@redhat.com>
2055
2056         * config/sh/symbian.c (symbian_possibly_export_base_class):
2057         Replace use of deleted TYPE_USES_VIRTUAL_BASECLASSES macro with
2058         TYPE_CONTAINS_VPTR_P.
2059
2060 2004-10-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
2061
2062         * config/m32r/m32r.h (CONDITIONAL_REGISTER_USAGE): Don't exclude
2063         fixed registers form all_used_regs. Update call_really_used_regs.
2064         (CALL_REALLY_USED_REGISTERS): Define.
2065         * config/m32r/m32r.c (MUST_SAVE_REGISTER): Replace call_used_regs
2066         with call_really_used_regs.
2067
2068 2004-10-08  Alan Modra  <amodra@bigpond.net.au>
2069
2070         * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Choose gcrt1.o
2071         for -profile as well as -p and -pg.
2072
2073 2004-10-07  Andrew Pinski  <pinskia@physics.uc.edu>
2074
2075         * libgcc2.c (__moddi3): Cast &w to UDWtype*.
2076
2077 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2078
2079         * tree-cfg.c (tree_block_forwards_to): Remove.
2080         * tree-flow.h: Remove the corresponding prototype.
2081
2082 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2083
2084         * tree-flow-inline.h (phi_nodes): Remove an unnecessary check
2085         for ENTRY_BLOCK_PTR and EXIT_BLOCK_PTR.
2086
2087 2004-10-07  Geoffrey Keating  <geoffk@apple.com>
2088
2089         Radar 3813796
2090         * config/rs6000/rs6000.c (rs6000_generate_compare): When
2091         flag_trapping_math is in effect, don't generate subtract
2092         instructions.
2093
2094 2004-10-07  Ulrich Weigand  <uweigand@de.ibm.com>
2095
2096         * config/s390/s390-protos.h (s390_narrow_logical_operator): Add.
2097         * config/s390/s390.c (s390_narrow_logical_operator): New function.
2098         (s390_extra_constraint_str): Add 'A' constraints.
2099         (s390_const_ok_for_constraint_p): Add 'Nx' constraints.
2100         * config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Add 'A' constraint.
2101         (CONSTRAINT_LEN): Likewise.
2102         * config/s390/s390.md ("*anddi3"): Add NI alternative and splitter.
2103         ("*andsi3_zarch", "*andsi3_esa"): Likewise.
2104         ("*andhi3_zarch", "*andhi3_esa"): Likewise.
2105         ("*iordi3"): Add OI alternative and splitter.
2106         ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.
2107         ("*iorhi3_zarch", "*iorhi3_esa"): Likewise.
2108         ("*xordi3"): Add XI alternative and splitter.
2109         ("*xorsi3", "*xorhi3"): Likewise.
2110
2111 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2112
2113         * config/mips/mips.c (mips_function_rodata_section): New function.
2114         (TARGET_ASM_FUNCTION_RODATA_SECTION): Use it.
2115
2116 2004-10-07  Devang Patel  <dpatel@apple.com>
2117
2118         * rs6000/altivec.md (UNSPEC_VCMPBFP, UNSPEC_VCMPEQUB, UNSPEC_VCMPEQUH,
2119         UNSPEC_VCMPEQUW, UNSPEC_VCMPGEFP, UNSPEC_VCMPGTUB, UNSPEC_VCMPGTSB,
2120         UNSPEC_VCMPGTUH, UNSPEC_VCMPGTSH, UNSPEC_VCMPGTUW, UNSPEC_VCMPGTSW,
2121         UNSPEC_VCMPGTFP, UNSPEC_VSEL4SI, UNSPEC_VSEL4SF, UNSPEC_VSEL8HI,
2122         UNSPEC_VSEL16QI, UNSPEC_VCOND_V4SI, UNSPEC_VCOND_V4SF, UNSPEC_VCOND_V8HI,
2123         UNSPEC_VCOND_V16QI, UNSPEC_VCONDU_V4SI, UNSPEC_VCONDU_V8HI,
2124         UNSPEC_VCONDU_V16QI): New constant defines.
2125         (vcondv4si, vcondv4sf, vcondv8hi, vcondv16qi, vconduv4si, vconduv8hi,
2126         vconduv16qi): New patterns.
2127         * rs6000/rs6000-protos.h (rs6000_emit_vector_cond_expr): New function.
2128         * rs6000/rs6000.c (rs6000_emit_vector_cond_expr): New function.
2129         (get_vec_cmp_insn): Same.
2130         (get_vsel_insn): Same.
2131         (rs6000_emit_vector_compare): Same.
2132         (rs6000_emit_vector_select): Same.
2133         (INSN_NOT_AVAILABLE): New.
2134
2135 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
2136
2137         PR tree-optimization/17749
2138         * tree-tailcall.c (find_tail_calls): Check that parameter is
2139         a gimple_reg.
2140
2141 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2142
2143         * config/ia64/ia64.c: Fix a comment typo.
2144
2145 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2146
2147         * doc/install.texi (*-*-solaris2*): Fix marker for URL.
2148
2149 2004-10-07  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
2150
2151         PR c++/17115
2152         * tree-inline.c (expand_call_inline): Do not warn for functions
2153         marked with attribute noinline.
2154
2155 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2156
2157         PR target/17862
2158         * config/sparc/sparc.c (sparc_output_mi_thunk): Set
2159         current_function_uses_only_leaf_regs as well as sparc_leaf_function_p.
2160
2161         * config/sparc/sparc.c (sparc_gimplify_va_arg): Pass 'false' instead
2162         of 0 as 4th argument to pass_by_reference.
2163         Call build_va_arg_indirect_ref instead of build_fold_indirect_ref.
2164
2165 2004-10-06  Eric Christopher  <echristo@redhat.com>
2166
2167         * config/sh/sh.c (sh_dwarf_calling_convention): Fix renesas dwarf
2168         attribute.
2169
2170 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2171
2172         PR target/17770
2173         * config/mips/mips.md (mov_<load>l): Remove hazard=none attribute.
2174
2175 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
2176
2177         PR rtl-optimization/17791
2178         * loop-doloop.c (doloop_modify): Take number of iterations as
2179         argument.
2180         (doloop_optimize): Extend or shorten the number of iterations
2181         when changing mode of counter register.
2182         * loop-iv.c (lowpart_subreg): Export.
2183         * rtl.h (lowpart_subreg): Declare.
2184
2185 2004-10-07  Zdenek Dvorak  <dvorakz@suse.cz>
2186
2187         PR tree-optimization/17806
2188         * cfghooks.c (split_edge): Update IRREDUCIBLE_LOOP flags.
2189         * cfgloopmanip.c (loop_split_edge_with): Updating of IRREDUCIBLE_LOOP
2190         flags moved to split_edge.
2191
2192 2004-10-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2193
2194         PR middle-end/17835
2195         * expmed.c (expand_sdiv_pow2): Force a stack adjustment
2196         before tentatively building the conditional move sequence.
2197
2198 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2199
2200         PR target/16815
2201         * function.c (assign_parm_setup_block_p): Tighten BLOCK_REG_PADDING
2202         check.
2203         * config/pa/pa.h (BLOCK_REG_PADDING): Define in terms of
2204         function_arg_padding.
2205
2206 2004-10-07  Richard Sandiford  <rsandifo@redhat.com>
2207
2208         PR bootstrap/17857
2209         * Makefile.in (stmp-fixproto): Pass FIX_HEADER=build/... to fixproto.
2210
2211 2004-10-07  Kazu Hirata  <kazu@cs.umass.edu>
2212
2213         * hooks.c (hook_int_void_1, hook_void_int): Remove.
2214         * hooks.h: Remove the corresponding prototypes.
2215
2216 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2217
2218         PR middle-end/17849
2219         * tree-nested.c (walk_stmt_info): Add changed field.
2220         (convert_nonlocal_reference): Set changed to when we
2221         change a decl to unnested decl.
2222         <case ADDR_EXPR>: Instead of checking if the immediate part
2223         of the ADDR_EXPR changed, check the field changed.
2224         Use recompute_tree_invarant_for_addr_expr instead of unsetting
2225         TREE_INVARIANT.
2226         (convert_local_reference):  Set changed to when we
2227         change a decl to unnested decl.
2228         <case ADDR_EXPR>: Instead of checking if the immediate part
2229         of the ADDR_EXPR changed, check the field changed.
2230         Also call recompute_tree_invarant_for_addr_expr on the ADDR_EXPR.
2231
2232 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
2233
2234         * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
2235         * dwarf2out.c (dwarf2out_init): Remove references to
2236         DWARF2_GENERATE_TEXT_SECTION_LABEL.
2237         * system.h: Poison DWARF2_GENERATE_TEXT_SECTION_LABEL.
2238         * doc/tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Remove.
2239
2240 2004-10-06  Joseph S. Myers  <jsm@polyomino.org.uk>
2241
2242         * c-typeck.c (convert_arguments): Take expression for called
2243         function rather than its name.  Handle ObjC selectors directly
2244         rather than relying on warn_for_assignment to do so.  Call warning
2245         directly rather than warn_for_assignment.  Use %qE in diagnostics.
2246         Say "argument" rather than "arg" in diagnostics.
2247         (build_function_call): Update call to convert_arguments.
2248
2249 2004-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
2250
2251         PR debug/17787
2252         * dbxout.c (dbxout_symbol): Really handle RECORD, UNION, and
2253         ENUMs specially instead of just saying we do.
2254
2255 2004-10-06  Eric Christopher  <echristo@redhat.com>
2256
2257         * dwarf2.h: Sync with include/elf/dwarf2.h
2258
2259 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
2260
2261         * tree-pretty-print.c (dump_generic_node): Fix printing of BINFO
2262         and TREE_VEC nodes.
2263
2264 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
2265
2266         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Convert
2267         to use FOR_EACH_SSA_USE_OPERAND iterator, and propagate_value.
2268
2269 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
2270
2271         * lambda-code.c (compute_nest_using_fourier_motzkin): New
2272         function.
2273         (lambda_compute_auxillary_space): Split from here.
2274
2275 2004-10-06  Daniel Berlin  <dberlin@dberlin.org>
2276
2277         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop): Make non-static.
2278         * tree-flow.h: Add prototype.
2279         * lambda-code.c (invariant_in_loop_and_outer_loops): Use
2280         expr_invariant_in_loop.
2281
2282 2004-10-06  Kazu Hirata  <kazu@cs.umass.edu>
2283
2284         * tree-cfg.c (thread_jumps): Remove a duplicate check for
2285         EXIT_BLOCK_PTR.
2286
2287 2004-10-06  Ulrich Weigand  <uweigand@de.ibm.com>
2288
2289         * config/s390/s390-protos.h (s_imm_operand): Remove.
2290         (s390_pool_operand): Add prototype.
2291         * config/s390/s390.c (general_s_operand): Remove.
2292         (s_imm_operand): Remove.
2293         (s_operand): Merge contents of general_s_operand.
2294         (s390_pool_operand): New function.
2295         * config/s390/s390.h (PREDICATE_CODES): Remove s_imm_operand.
2296         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct"): New insns.
2297         ("*cmpdi_ccu"): Merge Q->Q alternative.
2298         ("*cmpsi_ccu", "*cmphi_ccu"): Likewise.
2299         ("*cmpqi_ccu"): Merge Q->Q, n->Q, n->S alternatives.
2300         ("*cli"): Remove.
2301         ("*cmpdi_ccu_mem", "*cmpsi_ccu_mem"): Likewise.
2302         ("*cmphi_ccu_mem", "*cmpqi_ccu_mem"): Likewise.
2303         ("*movstricthi"): Use memory_operand instead of s_imm_operand.
2304
2305 2004-10-06  Steve Ellcey  <sje@cup.hp.com>
2306
2307         * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Change macro to
2308         call ia64_function_arg_boundary.
2309         * config/ia64/ia64-protos.h (ia64_function_arg_boundary): New.
2310         * config/ia64/ia64.c (ia64_function_arg_boundary): New.
2311         (ia64_function_arg_advance): Do not put 128 bit floats into
2312         FP registers.
2313
2314 2004-10-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2315
2316         * builtins.c (expand_builtin_strcpy): Delete duplicate code.
2317         Accept an expression instead of an arglist.
2318         (expand_builtin_stpcpy): Accept an expression instead of an
2319         arglist.
2320
2321 2004-10-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
2322
2323         PR target/16007
2324         * doc/install.texi (*-*-solaris2*): Mention potential problem
2325         with Sun assembler + GNU linker and C++ programs.
2326         Document status of binutils 2.15 release.
2327
2328 2004-10-06  Jan Hubicka  <jh@suse.cz>
2329
2330         * cse.c (cse_main): Kill push/pop context.
2331
2332 2004-10-05  Zack Weinberg  <zack@codesourcery.com>
2333
2334         * pretty-print.c: Include tree.h.
2335         (pp_base_prepare_to_format): New function, logic from
2336         text_specifies_location.
2337         (pp_base_format_text): Use gcc_assert.
2338         * pretty-print.h (pp_prepare_to_format): New macro.
2339         (pp_base_prepare_to_format): Prototype.
2340         * diagnostic.c (text_specifies_location): Delete.
2341         (bug_report_request): Delete.
2342         (diagnostic_set_info): Don't call text_specifies_location.
2343         (diagnostic_action_after_output): Put text from
2344         bug_report_request inline here.  Use gcc_unreachable.
2345         (diagnostic_report_current_function): Fix comment.
2346         (diagnostic_report_diagnostic): Clarify logic for error recursion.
2347         Call pp_prepare_to_format before diagnostic_starter.
2348         (trim_filename): Use IS_DIR_SEPARATOR.
2349         (fatal_error, internal_error): Use gcc_unreachable.
2350         (error_recursion): Call diagnostic_action_after_output to
2351         issue the bug_report_request message and exit.
2352         * Makefile.in (diagnostic.o, pretty-print.o): Update dependencies.
2353
2354         * c-parse.in: Add list of diagnostic messages to insulate
2355         translation template from version of yacc/bison used to
2356         compile the grammar.
2357
2358 2004-10-06  Alan Modra  <amodra@bigpond.net.au>
2359
2360         PR 16406
2361         * doc/tm.texi (USE_LD_AS_NEEDED, LINK_EH_SPEC): Document.
2362
2363 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2364
2365         * basic-block.h: Remove the prototype for
2366         flow_preorder_transversal_compute.
2367         * cfganal.c (dfst_node): Remove.
2368         (flow_preorder_transversal_compute): Likewise.
2369         * rtl.h: Remove the prototype for get_jump_table_offset.
2370         * rtlanal.c (get_jump_table_offset): Remove.
2371
2372 2004-10-05  Richard Henderson  <rth@redhat.com>
2373
2374         PR 17756
2375         * tree-ssa-operands.c (get_expr_operands): Handle CONST_DECL.
2376
2377 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
2378
2379         PR bootstrap/17817
2380         * Makefile.in: Stage the build directory too.
2381
2382 2004-10-05  Aldy Hernandez  <aldyh@redhat.com>
2383
2384         * config/frv/frv.h (LEGITIMIZE_ADDRESS): New.
2385
2386         * config/frv/frv-protos.h (frv_legitimize_address): Protoize.
2387         (frv_emit_move): Same.
2388
2389         * config/frv/frv.c (frv_emit_move): New.
2390         (frv_legitimize_address): New.
2391
2392         * config/frv/frv.md ("movsi"): Call frv_emit_move.
2393         ("movqi"): Same.
2394         ("movhi"): Same.
2395         ("movdi"): Same.
2396         ("movsf"): Same.
2397         ("movdf"): Same.
2398
2399 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2400
2401         * c-decl.c (declspecs_add_type): Don't pedwarn for _Complex in
2402         system headers.
2403
2404 2004-10-05  Joseph S. Myers  <jsm@polyomino.org.uk>
2405
2406         * c-decl.c (pushdecl): When an extern declaration at block scope
2407         refers to a visible entity with internal linkage, use the old DECL
2408         rather than the new one.
2409
2410 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2411
2412         * tree-cfg.c (cleanup_tree_cfg): Remove extra parentheses in
2413         comments.
2414
2415 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2416
2417         * tree-cfg.c (thread_jumps): Remove a duplicate check for
2418         an infinite loop.
2419
2420 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2421
2422         * tree-cfg.c (thread_jumps): Iterate with FOR_EACH_BB instead
2423         of FOR_BB_BETWEEN.  Remove a useless check for unreachable
2424         blocks.
2425
2426 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2427
2428         * tree-cfg.c (cleanup_tree_cfg): Don't call
2429         delete_unreachable_blosk() after thread_jumps().
2430         (thread_jumps): Always remove basic blocks as they become
2431         unreachable.
2432
2433 2004-10-05  Kazu Hirata  <kazu@cs.umass.edu>
2434
2435         * tree-cfg.c (cleanup_tree_cfg): Remove variable
2436         something_changed.  Simplify the while loop.
2437
2438 2004-10-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2439
2440         * builtins.c (expand_builtin_memmove): Delete duplicate code
2441         and accept a tree type for the result.
2442         (expand_builtin_bcopy): Accept a tree type for the result.
2443         (fold_builtin_memmove): Accept an arglist and tree type for
2444         the result.
2445
2446 2004-10-05  Ulrich Weigand  <uweigand@de.ibm.com>
2447
2448         * config/s390/s390.c (s390_dump_pool): Remove return value.
2449         Use gen_pool_align, gen_pool_section_start/end instead of
2450         gen_pool_start/end_31/64.
2451         * config/s390/s390.md (UNSPECV_POOL_START, UNSPECV_POOL_END): Remove.
2452         (UNSPECV_POOL_SECTION, UNSPECV_POOL_ALIGN): New constants.
2453         ("pool_start_31", "pool_end_31"): Remove.
2454         ("pool_start_64", "pool_end_64"): Likewise.
2455         ("pool_align", "pool_section_start", "pool_section_end": New insns.
2456
2457         * config/s390/s390.c (s390_cannot_copy_insn_p): New function.
2458         (TARGET_CANNOT_COPY_INSN_P): Define.
2459         (s390_cannot_force_const_mem): Handle UNSPEC_INSN.
2460         (struct constant_pool): New member 'execute'.
2461         (s390_add_execute, s390_find_execute): New functions.
2462         (s390_execute_label, s390_execute_target): Likewise.
2463         (s390_dump_pool): Output in-pool execute target templates.
2464         (s390_dump_execute): New function.
2465         (s390_alloc_pool, s390_free_pool): Handle execute templates.
2466         (s390_mainpool_start, s390_mainpool_finish): Likewise.
2467         (s390_chunkify_start, s390_chunkify_finish): Likewise.
2468         * config/s390/s390.md (UNSPEC_INSN, UNSPEC_EXECUTE): New constants.
2469         ("*execute"): New insn pattern.
2470         ("movmem_short", "*movmem_short"): Use splitters to generate
2471         explicit execute pattern, remove embedded execute.
2472         ("clrmem_short", "*clrmem_short"): Likewise.
2473         ("cmpmem_short", "*cmpmem_short"): Likewise.
2474
2475 2004-10-05  Daniel Berlin  <dberlin@dberlin.org>
2476
2477         * tree-ssa.c (verify_ssa): Verify phi arguments only
2478         contain renamed names.
2479
2480 2004-10-05  Alan Modra  <amodra@bigpond.net.au>
2481
2482         * config/rs6000/linux.h: Formatting, whitespace.
2483         * config/rs6000/linux64.h: Likewise.
2484         * config/rs6000/rs6000-protos.h: Likewise.
2485         * config/rs6000/rs6000.c: Likewise.
2486         (easy_vector_splat_const): Add fall thru comments.
2487         (output_vec_const_move): Likewise.
2488
2489 2004-10-05  Kelley Cook  <kcook@gcc.gnu.org>
2490
2491         * Makefile.in: Update -Wno-error exceptions for move to build dir.
2492
2493 2004-10-05  Chao-Ying Fu  <fu@mips.com>
2494             Richard Sandiford  <rsandifo@redhat.com>
2495
2496         * doc/invoke.texi (-mpaired-single): Link to the new description of the
2497         built-in functions.  Document dependencies.
2498         (-mips3d): Add link here too.
2499         * doc/extend.texi (MIPS Paired-Single Support): New section.
2500
2501 2004-10-04  Chao-ying Fu  <fu@mips.com>
2502
2503         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Define.
2504
2505 2004-10-04  Diego Novillo  <dnovillo@redhat.com>
2506
2507         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
2508         Initialize OPT_STATS to 0.
2509
2510 2004-10-04  Kazu Hirata  <kazu@cs.umass.edu>
2511
2512         * tree-data-ref.c: Fix comment typos.
2513
2514 2004-10-04  Sebastian Pop  <pop@cri.ensmp.fr>
2515
2516         * tree-data-ref.c (array_base_name_differ_p): Fix comments.  When
2517         the predicate cannot be computed, don't initialize the result to
2518         false.
2519
2520 2004-10-01  Eric Christopher  <echristo@redhat.com>
2521
2522         * dwarf2.h (dwarf_calling_convention): Add GNU prefix to
2523         locally defined enum.
2524         * dwarf2out.c (add_calling_convention_attribute): Don't
2525         emit DW_CC_normal.
2526
2527 2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
2528
2529         PR c/17178, PR c/17820
2530         * c-decl.c (pop_scope): Do not warn about unused static
2531         variables as they warned in the middle-end.
2532
2533 2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2534
2535         * builtins.c (expand_builtin_memcpy): Delete duplicate code
2536         and make the first parameter the expression not the arglist.
2537
2538 2004-10-03  Ulrich Weigand  <uweigand@de.ibm.com>
2539
2540         * expr.c (expand_expr_addr_expr): Only accept Pmode or ptr_mode
2541         as valid modes to expand address expressions.
2542
2543 2004-10-03  Joseph S. Myers  <jsm@polyomino.org.uk>
2544
2545         * c-aux-info.c, c-common.c, c-common.h, c-cppbuiltin.c, c-decl.c,
2546         c-format.c, c-incpath.c, c-lex.c, c-objc-common.c, c-opts.c,
2547         c-parse.in, c-pch.c, c-ppoutput.c, c-pragma.c, c-typeck.c: Follow
2548         code formatting conventions.
2549
2550 2004-10-03  Richard Sandiford  <rsandifo@redhat.com>
2551
2552         * config/mips/mips.md (<u>mulsidi3_32bit_r4000): Fix unsigned case.
2553
2554 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
2555
2556         PR tree-optimization/16632
2557         * fold-const.c (fold) [EQ_EXPR]: When seeing if D & ~C != 0 to
2558         fold (A & C) == D into 0, fold ~C.  Similarly, for the case
2559         where | is used instead of &.
2560
2561 2004-10-03  Kazu Hirata  <kazu@cs.umass.edu>
2562
2563         * ginclude/stddef.h: Fix a comment typo.
2564
2565 2004-10-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2566
2567         PR target/17443
2568         * config.gcc (i?86-*-solaris2*): Restore correct logic
2569         for --enable-threads option.
2570         (sparc64-*-solaris2*): Likewise.
2571         (sparc-*-solaris2*): Likewise.
2572
2573 2004-10-03  Alan Modra  <amodra@bigpond.net.au>
2574
2575         * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define.
2576         (OS_MISSING_POWERPC64): Move, and comment.
2577         * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Define.
2578         (OS_MISSING_POWERPC64): Move, and comment.
2579
2580 2004-10-02  Ian Lance Taylor  <ian@wasabisystems.com>
2581
2582         * arm.c (output_call_mem): Add missing \t.
2583
2584 2004-10-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2585
2586         * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp,
2587         expand_builtin_strncmp): Delete duplicate code.
2588
2589 2004-10-02  Frank Ch. Eigler  <fche@redhat.com>
2590
2591         * tree-mudflap.c (mf_build_check_statement_for): Reorganize to
2592         take check-base and -limit arguments.
2593         (mf_xform_derefs_1): Reorganize slightly to pass proper base/limit
2594         check ranges for ARRAY_REF and COMPONENT_REF.
2595         (execute_mudflap_fnction_ops, ..._decls): Limit unnecessary
2596         instrumentation.
2597
2598 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
2599
2600         * c-objc-common.c (c_tree_printer): Correct description of %E.
2601         Don't fall through after printing an expression.
2602
2603 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
2604
2605         * tree-cfg.c, config/s390/tpf-unwind.h: Fix comment typos.
2606
2607 2004-10-02  Kazu Hirata  <kazu@cs.umass.edu>
2608
2609         * tree-cfg.c (cleanup_tree_cfg): Speed up by calling
2610         delete_unrechable_blocks() only when necessary.
2611
2612 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
2613
2614         * gthr-tpf.h (__gthread_recursive_mutex_t): New type.
2615         (__GTHREAD_RECURSIVE_MUTEX_INIT): Define.
2616         (__gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
2617         __gthread_recursive_mutex_unlock): New functions.
2618
2619 2004-10-02  P.J. Darcy  <darcypj@us.ibm.com>
2620
2621         * config/s390/t-tpf (LIB2ADDEH): Remove tpf-eh.c.
2622         * config/s390/tpf-eh.c: Remove file.
2623         * config/s390/tpf-unwind.h: New file.
2624         * config/s390/tpf.h (MD_FALLBACK_FRAME_STATE_FOR): Remove.
2625         (MD_UNWIND_SUPPORT): Define.
2626
2627 2004-10-02  Joseph S. Myers  <jsm@polyomino.org.uk>
2628
2629         * c-typeck.c (warn_for_assignment): Don't permit argnum == 0.
2630
2631 2004-10-01  Ulrich Weigand  <uweigand@de.ibm.com>
2632
2633         * config/s390/s390-protos.h (s390_comparison): Add prototype.
2634         * config/s390/s390.c (s390_comparison): New function.
2635         (s390_branch_condition_mask): Return -1 for invalid comparisons.
2636         (s390_branch_condition_mnemonic): Assert valid comparison.
2637         * config/s390/s390.h (PREDICATE_CODES): Add s390_comparison.
2638         * config/s390/s390.md ("*cjump_64", "*cjump_31", "*cjump_long",
2639         "*icjump_64", "*icjump_31", "*icjump_long", "*trap"): Use
2640         s390_comparison instead of comparison_operator.
2641
2642         * config/s390/s390.md (UNSPEC_CMPINT): New constant.
2643         ("cmpmemdi"): Remove.
2644         ("cmpmem_short", "*cmpmem_short"): Use CCUmode instead of CCSmode.
2645         ("cmpmem_long", "*cmpmem_long_64", "*cmpmem_long_31"): Likewise.
2646         ("cmpint_si"): Rename to ...
2647         ("*cmpint_si"): ... this.  Use UNSPEC_CMPINT.
2648         ("cmpint_di", "*cmpint_di"): Likewise.
2649         * config/s390/s390.c (s390_canonicalize_comparison): Remove
2650         redundant UNSPEC_CMPINT conversions.
2651         (s390_expand_cmpmem): Adapt to cmpint pattern changes.
2652
2653 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
2654
2655         * collect2.c (COLLECT_PARSE_FLAG): Remove.
2656         (main): Remove a reference to COLLECT_PARSE_FLAG
2657         * system.h: Poison COLLECT_PARSE_FLAG.
2658         * doc/tm.texi (COLLECT_PARSE_FLAG): Remove.
2659
2660 2004-10-01  Paul Brook  <paul@codesourcery.com>
2661
2662         * config/arm/crti.asm: Give _init and _fini function type.
2663
2664 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
2665
2666         * common.opt (ftree-loop-ivcanon): Enable by default.
2667         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2668         Enable complete loop unrolling.
2669         (canonicalize_induction_variables, tree_unroll_loops_completely):
2670         Reset scev info.
2671
2672 2004-10-01  Paul Brook  <paul@codesourcery.com>
2673
2674         * config/arm/arm.c (thumb_compute_saved_rag_mask): Or with bitmask,
2675         not register number.
2676         (thumb_find_work_register): Search full register range.
2677
2678 2004-10-01  Andrew Pinski  <pinskia@physics.uc.edu>
2679
2680         PR tree-opt/17343
2681         * tree-cfg.c (group_case_labels): Get the label and not
2682         the case expr for the default case.
2683         When the label we looking at is the default, decrement the
2684         new_size.
2685
2686 2004-10-01  Jan Hubicka  <jh@suse.cz>
2687
2688         * c-decl.c (c_expand_body): Update call tree_rest_of_compilation.
2689         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
2690         * toplev.h (tree_rest_of_compilation): Update prototype.
2691         * tree-optimize.c (tree_rest_of_compilation):  Kill nested_p argument.
2692
2693 2004-10-01  Kazu Hirata  <kazu@cs.umass.edu>
2694
2695         * tree-cfg.c (cleanup_tree_cfg): Pull a call to
2696         cleanup_control_flow() out of the while loop.
2697
2698 2004-10-01  Paolo Bonzini  <bonzini@gnu.org>
2699
2700         * tree-vectorizer.c (vectorizable_operation): Fail unless
2701         the mode for the vector type is indeed a vector mode.
2702
2703 2004-10-01  Zdenek Dvorak  <dvorakz@suse.cz>
2704
2705         * tree-chrec.c (chrec_fold_plus_poly_poly, chrec_fold_plus_1,
2706         chrec_fold_multiply): Use fold_convert or build_int_cst_type instead
2707         of convert.
2708         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2709         add_to_evolution, set_nb_iterations_in_loop, follow_ssa_edge_in_rhs,
2710         follow_ssa_edge_in_rhs): Ditto.
2711         * tree-ssa-loop-ivopts.c (struct iv): Add base_object field.
2712         (dump_iv): Dump base_object.
2713         (dump_use, dump_cand): Use dump_iv.
2714         (determine_base_object): New function.
2715         (alloc_iv): Initialize base_object field.
2716         (record_use): Clear the ssa_name field of iv.
2717         (get_computation_cost_at): Do not use difference of addresses of
2718         two different objects.
2719         (may_eliminate_iv): Do not require the loop to have just single exit.
2720         * tree-ssa-loop-niter.c (zero_p): Do not check for overflows.
2721         (nonzero_p): New function.
2722         (inverse, number_of_iterations_cond, simplify_using_outer_evolutions,
2723         tree_simplify_using_condition, simplify_using_initial_conditions,
2724         loop_niter_by_eval, find_loop_niter_by_eval,
2725         estimate_numbers_of_iterations_loop, compare_trees,
2726         upper_bound_in_type, lower_bound_in_type,
2727         can_count_iv_in_wider_type_bound): Use buildN instead of build.  Use
2728         fold_convert or build_int_cst_type instead of convert.  Use (non)zero_p
2729         instead of integer_(non)zerop.
2730
2731 2004-10-01  Jakub Jelinek  <jakub@redhat.com>
2732
2733         Revert
2734         2004-09-29  Jakub Jelinek  <jakub@redhat.com>
2735
2736         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
2737         and TI_VA_LIST_FPR_COUNTER_FIELD.
2738         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
2739         * tree-pass.h (pass_stdarg): Add.
2740         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
2741         * tree-stdarg.c: New file.
2742         * Makefile.in (OBJS-common): Add tree-stdarg.o.
2743         (tree-stdarg.o): Add dependencies.
2744         * function.h (struct function): Add va_list_gpr_size and
2745         va_list_fpr_size fields.
2746         * function.c (allocate_struct_function): Initialize them.
2747
2748         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
2749         va_list_{g,f}pr_counter_field.
2750         (ix86_setup_incoming_varargs): Don't do anything if reg_save
2751         area will not be used.  Only save registers that tree-stdarg.c
2752         detected they need saving.
2753         (ix86_va_start): Don't set up fields that won't be used.
2754
2755         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
2756         va_list_{g,f}pr_counter_field.
2757         (setup_incoming_varargs): Don't do anything if reg_save
2758         area will not be used.  Only save registers that tree-stdarg.c
2759         detected they need saving.
2760         (rs6000_va_start): Don't set up fields that won't be used.
2761
2762 2004-09-30  Eric Christopher  <echristo@redhat.com>
2763
2764         * dwarf2.h (dwarf_calling_convention): Add enum for renesas
2765         sh abi.
2766         * dwarf2out.c (add_calling_convention_attribute): New function.
2767         (gen_subroutine_type_die): Use.
2768         * target-def.h (TARGET_DWARF_CALLING_CONVENTION): New hook.
2769         * target.h (gcc_target): Add dwarf_calling_convention.
2770         * hooks.c (hook_int_tree_0): New function.
2771         * hooks.h: Prototype.
2772         * config/sh/sh.c: Include dwarf2.h.
2773         (sh_dwarf_calling_convention): New function.
2774         (TARGET_DWARF_CALLING_CONVENTION): Use.
2775         * doc/tm.texi (TARGET_DWARF_CALLING_CONVENTION): Document.
2776
2777 2004-09-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2778
2779         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
2780         expand_builtin_strrchr, expand_builtin_strpbrk,
2781         expand_builtin_strncat, expand_builtin_strspn,
2782         expand_builtin_strcspn, expand_builtin_fputs): Eliminate duplicate
2783         code.
2784
2785 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
2786
2787         * config/s390/s390-protos.h (s390_expand_logical_operator): Add
2788         prototype.
2789         (s390_logical_operator_ok_p): Likewise.
2790         * config/s390/s390.c (s390_expand_logical_operator): New function.
2791         (s390_logical_operator_ok_p): Likewise.
2792         * config/s390/s390.md ("anddi3"): New expander.
2793         ("*anddi3"): Rename from old anddi3 pattern, add Q->Q alternative.
2794         ("*anddi3_ss", "*anddi3_ss_inv"): Remove.
2795         ("andsi3"): Use s390_expand_logical_operator.
2796         ("*andsi3_esa", "*andsi3_zarch"): Add Q->Q alternative.
2797         ("*andsi3_ss", "*andsi3_ss_inv"): Remove.
2798         ("andhi3"): New expander.
2799         ("*andhi3_zarch", "*andhi3_esa"): New patterns.
2800         ("andhi3", "*andhi3_ni", "*andhi3_ss", "*andhi3_ss_inv"): Remove.
2801         ("andqi3"): New expander.
2802         ("*andqi3_zarch", "*andqi3_esa"): New patterns.
2803         ("andqi3", "*andqi3_ni", "*andqi3_ss", "*andqi3_ss_inv"): Remove.
2804         ("iordi3"): New expander.
2805         ("*iordi3"): Rename from old iordi3 pattern, add Q->Q alternative.
2806         ("*iordi3_ss", "*iordi3_ss_inv"): Remove.
2807         ("iorsi3"): Use s390_expand_logical_operator.
2808         ("*iorsi3_esa", "*iorsi3_zarch"): Add Q->Q alternative.
2809         ("*iorsi3_ss", "*iorsi3_ss_inv"): Remove.
2810         ("iorhi3"): New expiorer.
2811         ("*iorhi3_zarch", "*iorhi3_esa"): New patterns.
2812         ("iorhi3", "*iorhi3_ni", "*iorhi3_ss", "*iorhi3_ss_inv"): Remove.
2813         ("iorqi3"): New expiorer.
2814         ("*iorqi3_zarch", "*iorqi3_esa"): New patterns.
2815         ("iorqi3", "*iorqi3_ni", "*iorqi3_ss", "*iorqi3_ss_inv"): Remove.
2816         ("xordi3"): New expander.
2817         ("*xordi3"): Rename from old xordi3 pattern, add Q->Q alternative.
2818         ("*xordi3_ss", "*xordi3_ss_inv"): Remove.
2819         ("xorsi3"): New expander.
2820         ("*xorsi3"): Rename from old xorsi3 pattern, add Q->Q alternative.
2821         ("*xorsi3_ss", "*xorsi3_ss_inv"): Remove.
2822         ("xorhi3"): New expander.
2823         ("*xorqi3"): Rename from old xorhi3 pattern, add Q->Q alternative.
2824         ("*xorhi3_ss", "*xorhi3_ss_inv"): Remove.
2825         ("xorqi3"): New expander.
2826         ("*xorqi3"): Rename from old xorqi3 pattern, add Q->Q alternative.
2827         ("*xorqi3_ss", "*xorqi3_ss_inv"): Remove.
2828
2829 2004-09-30  Roger Sayle  <roger@eyesopen.com>
2830
2831         * combine.c (force_to_mode) <NE_EXPR>: Only convert the expression
2832         (AND (NE FOO 0) CONST) into (AND FOO CONST) if FOO has the same
2833         machine mode as the result.
2834
2835 2004-09-30  Ben Elliston  <bje@au.ibm.com>
2836
2837         PR bootstrap/17761
2838         * lcm.c (optimize_mode_switching): Update to use EDGE_SUCC and
2839         FOR_EACH_EDGE macros.
2840
2841 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
2842
2843         * c-tree.h (readonly_error): Remove.
2844         * c-typeck (enum lvalue_use): New.
2845         (lvalue_or_else, readonly_error): Use it.  All callers changed.
2846         (readonly_error): Make static.
2847
2848 2004-09-30  Jan Hubicka  <jh@suse.cz>
2849
2850         PR debug/13974
2851         * cfgrtl.c (try_redirect_by_replacing_jump,
2852         force_nonfallthru_and_redirect, commit_one_edge_insertion,
2853         cfg_layout_merge_blocks):  Do not attach any line number information
2854         to newly inserted instructions.
2855         * emit-rtl.c (emit_insn*_before, emit_insn*_after): Rename to
2856         emit_insn_*_noloc.
2857         (emit_*insn_before, emit_insn*_after): New.
2858         (emit_*insn_before_setloc, emit_*insn_after_setloc): Do not overwrite
2859         existing locators.
2860         * rtl.h (emit_*insn_before_noloc, emit_*insn_after_noloc): Declare.
2861         (emit_*insn_before_sameloc, emit_*insn_after_sameloc): Kill.
2862
2863 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
2864
2865         * config/s390/s390-protos.h (s390_arg_frame_offset): Remove.
2866         (s390_return_address_offset): Remove.
2867         (s390_can_eliminate): Add prototype.
2868         (s390_initial_elimination_offset): Add prototype.
2869         * config/s390/s390.h (CAN_ELIMINATE): Call s390_can_eliminate.
2870         (INITIAL_ELIMINATION_OFFSET): Call s390_initial_elimination_offset.
2871         * config/s390/s390.c (s390_arg_frame_offset): Remove.
2872         (s390_return_address_offset): Remove.
2873         (s390_can_eliminate, s390_initial_elimination_offset): New functions.
2874         (struct machine_function): New member split_branches_pending_p.
2875         (s390_mainpool_start): Allow nonexistant pool insn for empty pool.
2876         (s390_mainpool_finish): Likewise.  Clear base_reg if pool empty.
2877         (s390_optimize_prologue): Remove base_used argument.  Call
2878         s390_update_frame_layout instead of s390_register_info.  Handle
2879         prologue/epilogue insns that touch only RETURN_REGNUM.
2880         (s390_reorg): Remove base_used.  Clear split_branches_pending_p.
2881         (s390_register_info): Remove base_used and return_addr_used
2882         arguments, compute special register usage inline.  Return live
2883         register data to caller.
2884         (s390_frame_info): Remove arguments, do not call s390_register_info.
2885         (s390_init_frame_layout): New function.
2886         (s390_update_frame_layout): Likewise.
2887         (s390_emit_prologue): Call s390_update_frame_layout; some code
2888         move to there.  Do not emit pool placeholder insn if unnecessary.
2889
2890 2004-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
2891
2892         * config/s390/s390.c (legitimate_reload_constant_p): Remove
2893         floating point constant workaround.
2894         (s390_secondary_input_reload_class): Handle PLUS reloads
2895         with too-large constant.
2896         (s390_expand_plus_operand): Likewise.
2897         * config/s390/s390.md ("movdi"): Do not call force_const_mem.
2898         ("movsi"): Likewise.  Also, remove workaround for non-general
2899         operands.
2900         ("movdf"): Do not call force_const_mem.
2901         ("movsf"): Likewise.  Merge expander with *movsf insn.
2902         ("*movsf"): Remove, merge with movsf expander.
2903
2904 2004-09-30  Paul Brook  <paul@codesourcery.com>
2905
2906         * config/arm/symbian.h (STARTFILE_SPEC): Remove crt*.o.
2907         (ENDFILE_SPEC): Define.
2908         * config/arm/t-symbian.h (EXTRA_MULTILIB_PARTS): Set.
2909
2910 2004-09-30  Richard Henderson  <rth@redhat.com>
2911
2912         * config/alpha/qrnnd.asm: Mark for noexecstack.
2913
2914 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
2915
2916         * protoize.c, tree-cfg.c: Fix comment typos.
2917
2918 2004-09-30  Joseph S. Myers  <jsm@polyomino.org.uk>
2919
2920         PR c/17730
2921         * c-typeck.c (lvalue_or_else): Pass msgid directly to error.
2922
2923 2004-09-30  Diego Novillo  <dnovillo@redhat.com>
2924
2925         * tree-ssa-alias.c (collect_points_to_info_r): Move analysis of
2926         expressions...
2927         (add_pointed_to_expr): ... here.
2928         Call add_pointed_to_expr for variables with DECL_INITIAL set.
2929         * tree-dfa.c (add_referenced_var): Scan DECL_INITIAL of any
2930         pointer variable, if set.
2931
2932 2004-09-30  Kazu Hirata  <kazu@cs.umass.edu>
2933
2934         * config/sh/sh.c: Follow spelling conventions.
2935
2936 2004-09-29  Richard Henderson  <rth@redhat.com>
2937
2938         * unwind-dw2.c (_Unwind_GetGR): Honor DWARF_ZERO_REG.
2939         * doc/tm.texi (DWARF_ZERO_REG): New.
2940
2941         * config/alpha/alpha.c (alpha_sa_mask, alpha_expand_prologue,
2942         alpha_expand_epilogue): Revert 2003-09-30 change to store zero.
2943         * config/alpha/alpha.h (DWARF_ZERO_REG): New.
2944
2945 2004-09-29  Ulrich Weigand  <uweigand@de.ibm.com>
2946
2947         * builtins.c (expand_builtin_strlen): Do not call emit_move_insn
2948         with a PLUS as source operand.
2949         (expand_movstr): Likewise.
2950         (expand_builtin_stpcpy): Likewise.
2951
2952 2004-09-29  Richard Henderson  <rth@redhat.com>
2953
2954         PR 17739
2955         * tree-gimple.c (is_gimple_reg): Reject hard registers.
2956         (is_gimple_asm_val): New.
2957         * tree-gimple.h (is_gimple_asm_val): Declare.
2958         * gimplify.c (gimplify_asm_expr): Use it.
2959         * tree-pretty-print.c (print_declaration): Dump hard regs.
2960         * tree-outof-ssa.c (check_replaceable): Don't check for hard regs.
2961         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
2962         * tree-ssa-pre.c (is_undefined_value): Likewise.
2963         * tree-ssa-copy.c (may_propagate_copy): Likewise.
2964         (may_propagate_copy_into_asm): Protect DECL_HARD_REGISTER.
2965         * tree-ssa.c (warn_uninit): Likewise.
2966         * tree.h (DECL_HARD_REGISTER): Check for VAR_DECL.
2967
2968 2004-09-29  Fariborz Jahanian <fjahanian@apple.com>
2969
2970         * c-decl.c (merge_decls): Use comptype when comparing
2971         types to decide on DECL_SIZE save of olddecl.
2972
2973 2004-09-29  Daniel Berlin  <dberlin@dberlin.org>
2974
2975         * tree.h (INDIRECT_REF_P): New macro.
2976         * alias.c (get_alias_set): Use it
2977         (nonoverlapping_memrefs_p): Ditto.
2978         * emit-rtl.c (mem_expr_equal_p): Ditto.
2979         (set_mem_attributes_minus_bitpos): Ditto.
2980         (is_gimple_addressable): Ditto.
2981         (get_base_address): Ditto.
2982         * tree-ssa-alias.c (find_ptr_derefernece): Ditto.
2983         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Ditto.
2984         * tree-ssa-dom.c (record_equivalences_from_stmt): Ditto.
2985         * tree-ssa-loop-im.c (is_call_clobbered_ref): Ditto.
2986         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Ditto.
2987         (add_address_candidates): Ditto.
2988         (rewrite_address_base): Ditto.
2989
2990 2004-09-30  Ben Elliston  <bje@au.ibm.com>
2991
2992         * tree-flow.h (struct bb_ann_d): Remove num_preds member.
2993         * tree-into-ssa.c (rewrite_into_ssa): Don't set it.
2994         (rewrite_ssa_into_ssa): Likewise.
2995         * tree-phinodes.c (create_phi_node): Access the number of
2996         predecessor edges using EDGE_COUNT() and not num_preds.
2997
2998 2004-09-29  Joseph S. Myers  <jsm@polyomino.org.uk>
2999
3000         PR c/7425
3001         * c-decl.c (merge_decls): Merge TREE_DEPRECATED.
3002
3003 2004-09-29  Eric Christopher  <echristo@redhat.com>
3004
3005         * fold-const.c (tree_swap_operands_p): Remove duplicated code.
3006
3007 2004-09-29  Hans-Peter Nilsson  <hp@axis.com>
3008
3009         * config/cris/cris.md (moverside, movemside): With MEM, make sure
3010         the address is (plus reg mem).
3011
3012 2004-09-29  David Edelsohn  <edelsohn@gnu.org>
3013
3014         * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define.
3015
3016 2004-09-29  Nathan Sidwell  <nathan@codesourcery.com>
3017
3018         * tree.c (make_node_stat): Fix uninitialized warning.  Replace
3019         cascaded if ... else if with a switch.
3020
3021 2004-09-29  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
3022
3023         * read-rtl.c (apply_macro_to_string): Replace index with strchr.
3024
3025 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3026
3027         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
3028         and TI_VA_LIST_FPR_COUNTER_FIELD.
3029         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
3030         * tree-pass.h (pass_stdarg): Add.
3031         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
3032         * tree-stdarg.c: New file.
3033         * Makefile.in (OBJS-common): Add tree-stdarg.o.
3034         (tree-stdarg.o): Add dependencies.
3035         * function.h (struct function): Add va_list_gpr_size and
3036         va_list_fpr_size fields.
3037         * function.c (allocate_struct_function): Initialize them.
3038
3039         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
3040         va_list_{g,f}pr_counter_field.
3041         (ix86_setup_incoming_varargs): Don't do anything if reg_save
3042         area will not be used.  Only save registers that tree-stdarg.c
3043         detected they need saving.
3044         (ix86_va_start): Don't set up fields that won't be used.
3045
3046         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
3047         va_list_{g,f}pr_counter_field.
3048         (setup_incoming_varargs): Don't do anything if reg_save
3049         area will not be used.  Only save registers that tree-stdarg.c
3050         detected they need saving.
3051         (rs6000_va_start): Don't set up fields that won't be used.
3052
3053 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3054
3055         * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTC_UNLOCKED,
3056         BUILT_IN_FPUTS, BUILT_IN_FPUTS_UNLOCKED, BUILT_IN_FWRITE,
3057         BUILT_IN_FWRITE_UNLOCKED, BUILT_IN_PUTCHAR, BUILT_IN_PUTCHAR_UNLOCKED,
3058         BUILT_IN_PUTS, BUILT_IN_PUTS_UNLOCKED): Remove nothrow attribute.
3059         * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_1_2,
3060         ATTR_NONNULL_1_4): New.
3061
3062 2004-09-29  Jakub Jelinek  <jakub@redhat.com>
3063
3064         PR tree-optimization/17697
3065         * tree-ssa-ccp.c (execute_fold_all_builtins): Update eh and cleanup
3066         cfg if needed.
3067
3068 2004-09-28  Per Bothner  <per@bothner.com>
3069
3070         * profile.c (branch_prob): Pass correct value to output_location,
3071         even when USE_MAPPED_LOCATION.  Fixes bug from 09-11.
3072
3073 2004-09-28  Richard Henderson  <rth@redhat.com>
3074
3075         PR 15089
3076         * tree-ssa-copy.c (may_propagate_copy_into_asm): New.
3077         * tree-flow.h (may_propagate_copy_into_asm): Declare.
3078         * tree-ssa-ccp.c (replace_uses_in): Use it.
3079         * tree-ssa-dom.c (cprop_operand): Likewise.
3080
3081 2004-09-28 Jeff Law  <law@redhat.com>
3082
3083         * tree-ssa-threadupdate.c (create_block_for_threading):  Request
3084         that no outgoing edges be left in the duplicate block.  Do no
3085         update information on outgoing edges or PHI nodes in target
3086         blocks here.
3087         (remove_ctrl_stmt_and_useless_edges): Renamed from
3088         remove_last_stmt_and_useless_edges.  Handle case where the
3089         block is empty or has no control statements.  Do not update edge
3090         flags here.
3091         (thread_block): Create a template block rather than copying the
3092         original block every time.  Create outgoing edges from the
3093         duplicate blocks and update PHIs at the target of the outgoing
3094         edges here.  Fix edge flags for the original block if necessary.
3095         * cfghooks (duplicate_block): No longer assert that the original
3096         block has incoming edges.
3097
3098 2004-09-29  Hans-Peter Nilsson  <hp@bitrange.com>
3099
3100         * doc/extend.texi (Extended Asm): Add blurb about using Explicit
3101         Reg Vars to enforce register allocation with general constraints.
3102         (Explicit Reg Vars): Clarify relation to asm statements.
3103         (Local Reg Vars): Similar.
3104
3105 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3106
3107         * sched-rgn.c (haifa_edge, edge_table, NEXT_IN, NEXT_OUT, FROM_BLOCK,
3108         TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, OUT_EDGES,
3109         build_control_flow, new_edge): Remove.
3110         (schedule_insns): Remove edge_table/in_edges/out_edges cleanup.
3111         (bitlst, bitlst_table_last, bitlst_table): Remove.
3112         (bblst): Store basic_block pointer instead of block index.
3113         (bblst_table): Likewise.
3114         (edgelst): Store edge pointer instead of edge index.
3115         (edgelst_table, edgelst_last): New variables.
3116         (extract_bitlst): Rename to ...
3117         (extract_edgelst): ... this.  Return edge pointers, not indices.
3118         (split_edges): Update call.
3119         (rgn_edges): Store edge pointers instead of indices.
3120         (edge_to_bit): Remove.
3121         (EDGE_TO_BIT): Store per-region edge index in edge->aux.
3122         (SET_EDGE_TO_BIT): New macro.
3123         (is_cfg_nonregular): Check for simple cases of unreachable blocks.
3124         (find_rgns): Remove edge_list parameter.  Traverse standard CFG
3125         data structures instead of haifa_edge et al.  Use edge pointers
3126         instead of edge indices everywhere.
3127         (compute_dom_prob_ps): Use standard CFG data structures.  Account
3128         for exit edges.
3129         (compute_trg_info): Likewise.
3130         (propagate_deps): Likewise.
3131         (debug_candidate): Account for bblst data structure change.
3132         (check_live_1, update_live_1, is_pfree): Likewise.
3133         (IS_REACHABLE): Use standard CFG data structures.
3134         (init_ready_list): Update bblst_table/edgelst_table allocation.
3135         (schedule_region): Update alloc/cleanup code to data structure
3136         changes.  Use edge->aux to store per-region edge index.
3137         (init_regions): No longer call build_control_flow.  Do not
3138         create edge list any more.
3139
3140 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3141
3142         * cse.c (cse_insn): Avoid creating direct non-local jumps.
3143         * combine.c (can_combine_p): Likewise.
3144         * local-alloc. (update_equiv_regs): Likewise.
3145
3146 2004-09-28  Richard Henderson  <rth@redhat.com>
3147
3148         PR 17531
3149         * expr.c (expand_expr_addr_expr_1): Only assemble_external for decls.
3150         Don't check VOIDmode here.  Force PLUS operands to common type.
3151         (expand_expr_addr_expr): Do VOIDmode check earlier.  Force use of
3152         Pmode if given a non pointer type.
3153
3154 2004-09-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3155
3156         PR 17531
3157         * optabs.c (expand_binop): Force constants to the correct mode.
3158
3159 2004-09-28  Ulrich Weigand  <uweigand@de.ibm.com>
3160
3161         * config/s390/s390.c (s390_adjust_cost): Remove.
3162         (TARGET_SCHED_ADJUST_COST): Do not redefine.
3163         (s390_adjust_priority): Handle TYPE_STM like TYPE_STORE.
3164         * config/s390/s390.md ("main_pool"): Use "larl" type
3165         attribute if TARGET_CPU_ZARCH.
3166
3167 2004-09-28  Jakub Jelinek  <jakub@redhat.com>
3168
3169         * config/ia64/ia64.c (ia64_expand_prologue): Declare ei
3170         variable.
3171
3172 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3173
3174         * tree-ssa-loop.c (pass_record_bounds): Do not assign a
3175         name to the pass.
3176
3177 2004-09-28  Steven Bosscher  <stevenb@suse.de>
3178
3179         * common.opt (flag_gcse_sm): Disable by default.
3180         (flag_gcse_las): Likewise.
3181         (flag_web): Likewise.  Create from this file.
3182         * flags.h: Remove flag_web declaration.
3183         * toplev.c (flag_web): Likewise.
3184         (process_options): Never set flag_web.
3185
3186 2004-09-28  Steven Bosscher  <stevenb@suse.de>
3187
3188         * Makefile.in (tree-ssa-propagate.o): Depend on vec.h.
3189         * tree-ssa-propagate.c: Include vec.h.
3190         (interesting_ssa_edges, varying_ssa_edges): Make these VECs
3191         instead of varrays.
3192         (cfg_blocks_add): Assert the block is not already in the worklist.
3193         Update uses of interesting_ssa_edges and varying_ssa_edges.
3194         (process_ssa_edge_worklist, ssa_prop_init, ssa_prop_fini,
3195         ssa_propagate): Likewise.
3196
3197 2004-09-28  Joseph S. Myers  <jsm@polyomino.org.uk>
3198
3199         PR c/16409
3200         * c-decl.c (start_decl): Check for initializing incomplete array
3201         of VLAs.
3202         (build_compound_literal): Check for TYPE being error_mark_node.
3203         * c-parse.in (primary): Check for VLA compound literals.
3204
3205 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3206
3207         * tree-ssa-live.c (calculate_live_on_entry): Fix warnings
3208         with --disable-checking.
3209
3210 2004-09-28  Devang Patel  <dpatel@apple.com>
3211
3212         * tree-pretty-print.c (dump_generic_node): Print vector types.
3213
3214 2004-09-28  Nick Clifton  <nickc@redhat.com>
3215
3216         * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Replace with an
3217         invocation of the function sh_init_cumulative_args.
3218         (INIT_CUMULATIVE_LIBCALL_ARGS): Likewise.
3219         (INIT_CUMULATIVE_INCOMING_ARGS): Delete.
3220         * config/sh/sh-protos.h: Prototype sh_init_cumulative_args.
3221         * config/sh/sh.c (sh_init_cumulative_args): New function based
3222         on the contents of the old INIT_CUMULATIVE_ARGS macro but with a
3223         heuristic added to determine the setting of force_mem when a
3224         library function is being called.
3225
3226 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3227
3228         * tree-ssa-loop-im.c (single_reachable_address) <PHI_NODE>:
3229         Skip constant arguments.
3230
3231 2004-09-28  Diego Novillo  <dnovillo@redhat.com>
3232
3233         * tree-ssa-alias.c (create_name_tags): If PTR points to a
3234         volatile type, mark the tag volatile.
3235         (get_tmt_for): If TAG_TYPE is a volatile type, mark the tag
3236         volatile.
3237
3238 2004-09-28  Andrew Pinski  <pinskia@physics.uc.edu>
3239
3240         * tree.def (vec_cond_expr): Fix. Change 'e'
3241         to tcc_expression.
3242
3243 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
3244
3245         * basic-block.h: Fix a comment typo.
3246
3247 2004-09-28  Kazu Hirata  <kazu@cs.umass.edu>
3248
3249         * optabs.c, optabs.h: Fix comment typos.
3250
3251 2004-09-28  Eric Botcazou  <ebotcazou@act-europe.fr>
3252
3253         * config/sparc/sparc.md (call_address_struct_value_sp32):
3254         Properly mask the immediate field of the 'unimp' instruction.
3255         (call_symbolic_struct_value_sp32): Likewise.
3256
3257 2004-09-28  Ben Elliston  <bje@au.ibm.com>
3258             Steven Bosscher  <stevenb@suse.de>
3259             Andrew Pinski  <pinskia@physics.uc.edu>
3260
3261         Merge from edge-vector-branch:
3262         * basic-block.h: Include vec.h, errors.h. Instantiate a VEC(edge).
3263         (struct edge_def): Remove pred_next, succ_next members.
3264         (struct basic_block_def): Remove pred, succ members.  Add preds
3265         and succs members of type VEC(edge).
3266         (FALLTHRU_EDGE): Redefine using EDGE_SUCC.
3267         (BRANCH_EDGE): Likewise.
3268         (EDGE_CRITICAL_P): Redefine using EDGE_COUNT.
3269         (EDGE_COUNT, EDGE_I, EDGE_PRED, EDGE_SUCC): New.
3270         (edge_iterator): New.
3271         (ei_start, ei_last, ei_end_p, ei_one_before_end_p): New.
3272         (ei_next, ei_prev, ei_edge, ei_safe_edge): Likewise.
3273         (FOR_EACH_EDGE): New.
3274         * bb-reorder.c (find_traces): Use FOR_EACH_EDGE and EDGE_* macros
3275         where applicable.
3276         (rotate_loop): Likewise.
3277         (find_traces_1_route): Likewise.
3278         (bb_to_key): Likewise.
3279         (connect_traces): Likewise.
3280         (copy_bb_p): Likewise.
3281         (find_rarely_executed_basic_blocks_and_crossing_edges): Likewise.
3282         (add_labels_and_missing_jumps): Likewise.
3283         (fix_up_fall_thru_edges): Likewise.
3284         (find_jump_block): Likewise.
3285         (fix_crossing_conditional_branches): Likewise.
3286         (fix_crossing_unconditional_branches): Likewise.
3287         (add_reg_crossing_jump_notes): Likewise.
3288         * bt-load.c (augment_live_range): Likewise.
3289         * cfg.c (clear_edges): Likewise.
3290         (unchecked_make_edge): Likewise.
3291         (cached_make_edge): Likewise.
3292         (make_single_succ_edge): Likewise.
3293         (remove_edge): Likewise.
3294         (redirect_edge_succ_nodup): Likewise.
3295         (check_bb_profile): Likewise.
3296         (dump_flow_info): Likewise.
3297         (alloc_aux_for_edges): Likewise.
3298         (clear_aux_for_edges): Likewise.
3299         (dump_cfg_bb_info): Likewise.
3300         * cfganal.c (forwarder_block_p): Likewise.
3301         (can_fallthru): Likewise.
3302         (could_fall_through): Likewise.
3303         (mark_dfs_back_edges): Likewise.
3304         (set_edge_can_fallthru_flag): Likewise.
3305         (find_unreachable_blocks): Likewise.
3306         (create_edge_list): Likewise.
3307         (verify_edge_list): Likewise.
3308         (add_noreturn_fake_exit_edges): Likewise.
3309         (connect_infinite_loops_to_exit): Likewise.
3310         (flow_reverse_top_sort_order_compute): Likewise.
3311         (flow_depth_first_order_compute): Likewise.
3312         (flow_preorder_transversal_compute): Likewise.
3313         (flow_dfs_compute_reverse_execute): Likewise.
3314         (dfs_enumerate_from): Likewise.
3315         (compute_dominance_frontiers_1): Likewise.
3316         * cfgbuild.c (make_edges): Likewise.
3317         (compute_outgoing_frequencies): Likewise.
3318         (find_many_sub_basic_blocks): Likewise.
3319         (find_sub_basic_blocks): Likewise.
3320         * cfgcleanup.c (try_simplify_condjump): Likewise.
3321         (thread_jump): Likewise.
3322         (try_forward_edges): Likewise.
3323         (merge_blocks_move): Likewise.
3324         (outgoing_edges_match): Likewise.
3325         (try_crossjump_to_edge): Likewise.
3326         (try_crossjump_bb): Likewise.
3327         (try_optimize_cfg): Likewise.
3328         (merge_seq_blocks): Likewise.
3329         * cfgexpand.c (expand_gimple_tailcall): Likewise.
3330         (expand_gimple_basic_block): Likewise.
3331         (construct_init_block): Likewise.
3332         (construct_exit_block): Likewise.
3333         * cfghooks.c (verify_flow_info): Likewise.
3334         (dump_bb): Likewise.
3335         (delete_basic_block): Likewise.
3336         (split_edge): Likewise.
3337         (merge_blocks): Likewise.
3338         (make_forwarder_block): Likewise.
3339         (tidy_fallthru_edges): Likewise.
3340         (can_duplicate_block_p): Likewise.
3341         (duplicate_block): Likewise.
3342         * cfglayout.c (fixup_reorder_chain): Likewise.
3343         (fixup_fallthru_exit_predecessor): Likewise.
3344         (can_copy_bbs_p): Likewise.
3345         (copy_bbs): Likewise.
3346         * cfgloop.c (flow_loops_cfg_dump): Likewise.
3347         (flow_loop_entry_edges_find): Likewise.
3348         (flow_loop_exit_edges_find): Likewise.
3349         (flow_loop_nodes_find): Likewise.
3350         (mark_single_exit_loops): Likewise.
3351         (flow_loop_pre_header_scan): Likewise.
3352         (flow_loop_pre_header_find): Likewise.
3353         (update_latch_info): Likewise.
3354         (canonicalize_loop_headers): Likewise.
3355         (flow_loops_find): Likewise.
3356         (get_loop_body_in_bfs_order): Likewise.
3357         (get_loop_exit_edges): Likewise.
3358         (num_loop_branches): Likewise.
3359         (verify_loop_structure): Likewise.
3360         (loop_latch_edge): Likewise.
3361         (loop_preheader_edge): Likewise.
3362         * cfgloopanal.c (mark_irreducible_loops): Likewise.
3363         (expected_loop_iterations): Likewise.
3364         * cfgloopmanip.c (remove_bbs): Likewise.
3365         (fix_bb_placement): Likewise.
3366         (fix_irreducible_loops): Likewise.
3367         (remove_path): Likewise.
3368         (scale_bbs_frequencies): Likewise.
3369         (loopify): Likewise.
3370         (unloop): Likewise.
3371         (fix_loop_placement): Likewise.
3372         (loop_delete_branch_edge): Likewise.
3373         (duplicate_loop_to_header_edge): Likewise.
3374         (mfb_keep_just): Likewise.
3375         (create_preheader): Likewise.
3376         (force_single_succ_latches): Likewise.
3377         (loop_split_edge_with): Likewise.
3378         (create_loop_notes): Likewise.
3379         * cfgrtl.c (rtl_split_block): Likewise.
3380         (rtl_merge_blocks): Likewise.
3381         (rtl_can_merge_blocks): Likewise.
3382         (try_redirect_by_replacing_jump): Likewise.
3383         (force_nonfallthru_and_redirect): Likewise.
3384         (rtl_tidy_fallthru_edge): Likewise.
3385         (commit_one_edge_insertion): Likewise.
3386         (commit_edge_insertions): Likewise.
3387         (commit_edge_insertions_watch_calls): Likewise.
3388         (rtl_verify_flow_info_1): Likewise.
3389         (rtl_verify_flow_info): Likewise.
3390         (purge_dead_edges): Likewise.
3391         (cfg_layout_redirect_edge_and_branch): Likewise.
3392         (cfg_layout_can_merge_blocks_p): Likewise.
3393         (rtl_flow_call_edges_add): Likewise.
3394         * cse.c (cse_cc_succs): Likewise.
3395         * df.c (hybrid_search): Likewise.
3396         * dominance.c (calc_dfs_tree_nonrec): Likewise.
3397         (calc_dfs_tree): Likewise.
3398         (calc_idoms): Likewise.
3399         (recount_dominator): Likewise.
3400         * domwalk.c (walk_dominator_tree): Likewise.
3401         * except.c (emit_to_new_bb_before): Likewise.
3402         (connect_post_landing_pads): Likewise.
3403         (sjlj_emit_function_enter): Likewise.
3404         (sjlj_emit_function_exit): Likewise.
3405         (finish_eh_generation): Likewise.
3406         * final.c (compute_alignments): Likewise.
3407         * flow.c (calculate_global_regs_live): Likewise.
3408         (initialize_uninitialized_subregs): Likewise.
3409         (init_propagate_block_info): Likewise.
3410         * function.c (thread_prologue_and_epilogue_insns): Likewise.
3411         * gcse.c (find_implicit_sets): Likewise.
3412         (bypass_block): Likewise.
3413         (bypass_conditional_jumps): Likewise.
3414         (compute_pre_data): Likewise.
3415         (insert_insn_end_bb): Likewise.
3416         (insert_store): Likewise.
3417         (remove_reachable_equiv_notes): Likewise.
3418         * global.c (global_conflicts): Likewise.
3419         (calculate_reg_pav): Likewise.
3420         * graph.c (print_rtl_graph_with_bb): Likewise.
3421         * ifcvt.c (mark_loop_exit_edges): Likewise.
3422         (merge_if_block): Likewise.
3423         (find_if_header): Likewise.
3424         (block_jumps_and_fallthru_p): Likewise.
3425         (find_if_block): Likewise.
3426         (find_cond_trap): Likewise.
3427         (block_has_only_trap): Likewise.
3428         (find_if_case1): Likewise.
3429         (find_if_case_2): Likewise.
3430         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
3431         (perfect_nestify): Likewise.
3432         * lcm.c (compute_antinout_edge): Likewise.
3433         (compute_laterin): Likewise.
3434         (compute_available): Likewise.
3435         (compute_nearerout): Likewise.
3436         * loop-doloop.c (doloop_modify): Likewise.
3437         * loop-init.c (loop_optimizer_init): Likewise.
3438         * loop-invariant.c (find_exits): Likewise.
3439         * loop-iv.c (simplify_using_initial_values): Likewise.
3440         (check_simple_exit): Likewise.
3441         (find_simple_exit): Likewise.
3442         * loop-unroll.c (peel_loop_completely): Likewise.
3443         (unroll_loop_constant_iterations): Likewise.
3444         (unroll_loop_runtime_iterations): Likewise.
3445         * loop-unswitch.c (may_unswitch_on): Likewise.
3446         (unswitch_loop): Likewise.
3447         * modulo-sched.c (generate_prolog_epilog): Likewise.
3448         (sms_schedule): Likewise.
3449         * postreload-gcse.c (eliminate_partially_redundant_load):
3450         Likewise.
3451         * predict.c (can_predict_insn_p): Likewise.
3452         (set_even_probabilities): Likewise.
3453         (combine_predictions_for_bb): Likewise.
3454         (predict_loops): Likewise.
3455         (estimate_probability): Likewise.
3456         (tree_predict_by_opcode): Likewise.
3457         (tree_estimate_probability): Likewise.
3458         (last_basic_block_p): Likewise.
3459         (propagate_freq): Likewise.
3460         (estimate_loops_at_level): Likewise.
3461         (estimate_bb_frequencies): Likewise.
3462         * profile.c (instrument_edges): Likewise.
3463         (get_exec_counts): Likewise.
3464         (compute_branch_probabilities): Likewise.
3465         (branch_prob): Likewise.
3466         * ra-build.c (live_in): Likewise.
3467         * ra-rewrite.c (rewrite_program2): Likewise.
3468         * ra.c (reg_alloc): Likewise.
3469         * reg-stack.c (reg_to_stack): Likewise.
3470         (convert_regs_entry): Likewise.
3471         (compensate_edge): Likewise.
3472         (convert_regs_1): Likewise,
3473         (convert_regs_2): Likewise.
3474         (convert_regs): Likewise.
3475         * regrename.c (copyprop_hardreg_forward): Likewise.
3476         * reload1.c (fixup_abnormal_edges): Likewise.
3477         * sbitmap.c (sbitmap_intersection_of_succs): Likewise.
3478         (sbitmap_insersection_of_preds): Likewise.
3479         (sbitmap_union_of_succs): Likewise.
3480         (sbitmap_union_of_preds): Likewise.
3481         * sched-ebb.c (compute_jump_reg_dependencies): Likewise.
3482         (fix_basic_block_boundaries): Likewise.
3483         (sched_ebbs): Likewise.
3484         * sched-rgn.c (build_control_flow): Likewise.
3485         (find_rgns): Likewise.
3486         * tracer.c (find_best_successor): Likewise.
3487         (find_best_predecessor): Likewise.
3488         (tail_duplicate): Likewise.
3489         * tree-cfg.c (make_edges): Likewise.
3490         (make_ctrl_stmt_edges): Likewise.
3491         (make_goto_expr_edges): Likewise.
3492         (tree_can_merge_blocks_p): Likewise.
3493         (tree_merge_blocks): Likewise.
3494         (cfg_remove_useless_stmts_bb): Likewise.
3495         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
3496         (tree_block_forwards_to): Likewise.
3497         (cleanup_control_expr_graph): Likewise.
3498         (find_taken_edge): Likewise.
3499         (dump_cfg_stats): Likewise.
3500         (tree_cfg2vcg): Likewise.
3501         (disband_implicit_edges): Likewise.
3502         (tree_find_edge_insert_loc): Likewise.
3503         (bsi_commit_edge_inserts): Likewise.
3504         (tree_split_edge): Likewise.
3505         (tree_verify_flow_info): Likewise.
3506         (tree_make_forwarder_block): Likewise.
3507         (tree_forwarder_block_p): Likewise.
3508         (thread_jumps): Likewise.
3509         (tree_try_redirect_by_replacing_jump): Likewise.
3510         (tree_split_block): Likewise.
3511         (add_phi_args_after_copy_bb): Likewise.
3512         (rewrite_to_new_ssa_names_bb): Likewise.
3513         (dump_function_to_file): Likewise.
3514         (print_pred_bbs): Likewise.
3515         (print_loop): Likewise.
3516         (tree_flow_call_edges_add): Likewise.
3517         (split_critical_edges): Likewise.
3518         (execute_warn_function_return): Likewise.
3519         (extract_true_false_edges_from_block): Likewise.
3520         * tree-if-conv.c (tree_if_conversion): Likewise.
3521         (if_convertable_bb_p): Likewise.
3522         (find_phi_replacement_condition): Likewise.
3523         (combine_blocks): Likewise.
3524         * tree-into-ssa.c (compute_global_livein): Likewise.
3525         (ssa_mark_phi_uses): Likewise.
3526         (ssa_rewrite_initialize_block): Likewise.
3527         (rewrite_add_phi_arguments): Likewise.
3528         (ssa_rewrite_phi_arguments): Likewise.
3529         (insert_phi_nodes_for): Likewise.
3530         (rewrite_into_ssa): Likewise.
3531         (rewrite_ssa_into_ssa): Likewise.
3532         * tree-mudflap.c (mf_build_check_statement_for): Likewise.
3533         * tree-outof-ssa.c (coalesce_abnormal_edges): Likewise.
3534         (rewrite_trees): Likewise.
3535         * tree-pretty-print.c (dump_bb_header): Likewise.
3536         (dump_implicit_edges): Likewise.
3537         * tree-sra.c (insert_edge_copies): Likewise.
3538         (find_obviously_necessary_stmts): Likewise.
3539         (remove_data_stmt): Likewise.
3540         * tree-ssa-dom.c (thread_across_edge): Likewise.
3541         (dom_opt_finalize_block): Likewise.
3542         (single_incoming_edge_ignoring_loop_edges): Likewise.
3543         (record_equivalences_from_incoming_edges): Likewise.
3544         (cprop_into_successor_phis): Likewise.
3545         * tree-ssa-live.c (live_worklist): Likewise.
3546         (calculate_live_on_entry): Likewise.
3547         (calculate_live_on_exit): Likewise.
3548         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
3549         (copy_loop_headers): Likewise.
3550         * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
3551         (fill_always_executed_in): Likewise.
3552         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
3553         * tree-ssa-loop-ivopts.c (find_interesting_uses): Likewise.
3554         (compute_phi_arg_on_exit): Likewise.
3555         * tree-ssa-loop-manip.c (add_exit_phis_edge): Likewise.
3556         (get_loops_exit): Likewise.
3557         (split_loop_exit_edge): Likewise.
3558         (ip_normal_pos): Likewise.
3559         * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3560         Likewise.
3561         * tree-ssa-phiopt.c (candidate_bb_for_phi_optimization): Likewise.
3562         (replace_phi_with_stmt): Likewise.
3563         (value_replacement): Likewise.
3564         * tree-ssa-pre.c (compute_antic_aux): Likewise.
3565         (insert_aux): Likewise.
3566         (init_pre): Likewise.
3567         * tree-ssa-propagate.c (simulate_stmt): Likewise.
3568         (simulate_block): Likewise.
3569         (ssa_prop_init): Likewise.
3570         * tree-ssa-threadupdate.c (thread_block): Likewise.
3571         (create_block_for_threading): Likewise.
3572         (remove_last_stmt_and_useless_edges): Likewise.
3573         * tree-ssa.c (verify_phi_args): Likewise.
3574         (verify_ssa): Likewise.
3575         * tree_tailcall.c (independent_of_stmt_p): Likewise.
3576         (find_tail_calls): Likewise.
3577         (eliminate_tail_call): Likewise.
3578         (tree_optimize_tail_calls_1): Likewise.
3579         * tree-vectorizer.c (vect_transform_loop): Likewise.
3580         * var-tracking.c (prologue_stack_adjust): Likewise.
3581         (vt_stack_adjustments): Likewise.
3582         (vt_find_locations): Likewise.
3583         * config/frv/frv.c (frv_ifcvt_modify_tests): Likewise.
3584         * config/i386/i386.c (ix86_pad_returns): Likewise.
3585         * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
3586         * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
3587
3588 2004-09-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
3589
3590         PR target/16532
3591         * config/sparc/sparc.c (struct machine_function): New field
3592         'leaf_function_p' and 'prologue_data_valid_p'.
3593         (sparc_leaf_function_p, sparc_prologue_data_valid_p): New macro
3594         to conveniently access the above fields.
3595         (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Delete.
3596         (eligible_for_return_delay): Use 'sparc_leaf_function_p' instead
3597         of the generic flavor 'current_function_uses_only_leaf_regs'.
3598         (eligible_for_sibcall_delay): Likewise.
3599         (sparc_expand_prologue): Compute 'sparc_leaf_function_p' and set
3600         'sparc_prologue_data_valid_p'.  Use 'sparc_leaf_function_p'.
3601         (sparc_asm_function_prologue): Add sanity check for the assumption
3602         made in 'sparc_expand_prologue'.  Use 'sparc_leaf_function_p'.
3603         (sparc_can_use_return_insn_p): New function.
3604         (sparc_expand_epilogue): Use 'sparc_leaf_function_p'.
3605         (output_restore): Likewise.
3606         (output_sibcall): Likewise.
3607         (sparc_output_mi_thunk): Likewise.
3608         * config/sparc/sparc-protos.h (sparc_can_use_return_insn_p): Declare.
3609         * config/sparc/sparc.md (return): New expander.
3610
3611         * config/sparc/sparc.h (INITIAL_ELIMINATION_OFFSET): Minor tweak.
3612
3613 2004-09-27  Mark Mitchell  <mark@codesourcery.com>
3614
3615         PR c++/17642
3616         * stor-layout.c (layout_decl): Use fold_convert, not convert.
3617         (bit_from_pos): Likewise.
3618         (byte_from_pos): Likewise.
3619         (pos_from_bit): Likewise.
3620         (normalize_offset): Likewise.
3621         (place_field): Likewise.
3622         (finalize_type_size): Likewise.
3623         (layout_type): Likewise.
3624         * tree.c (build_index_type): Likewise.
3625
3626 2004-09-27  Devang Patel  <dpatel@apple.com>
3627
3628         * expr.c (expand_expr_real_1): Handle VEC_COND_EXPR.
3629         * genopinit.c (optabs): New entry for vcond_gen_code and
3630         vcondu_gen_code.
3631         * optabs.c (vcond_gen_code, vcondu_gen_code): New optabs.
3632         (get_rtx_code): New function.
3633         (vector_compare_rtx): New function.
3634         (init_optabs): Initialize vcond_gen_code and vcondu_gen_code.
3635         (expand_vec_cond_expr_p): New function.
3636         (expand_vec_cond_expr): New function.
3637         (get_vcond_icode): New function.
3638         * optabs.h (expand_vec_cond_expr, expand_vec_cond_expr_p): New externs.
3639         (vcond_gen_code, vcondu_gen_code): Same.
3640
3641 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
3642
3643         * Makefile.in (STAGESTUFF): Split into ...
3644         (STAGECOPYSTUFF, STAGEMOVESTUFF): ... these.
3645         (mostlyclean): Update.
3646         (stage1-start, stage2-start, stage3-start, stage4-start,
3647         stageprofile-start, stagefeedback-start): Copy the STAGECOPYSTUFF.
3648         Move the STAGEMOVESTUFF.
3649
3650 2004-09-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3651
3652         * system.h (getpagesize): Return 'int' instead of 'long'.
3653
3654 2004-09-27  Michael Matz <matz@suse.de>
3655
3656         PR bootstrap/17698
3657         PR bootstrap/17702
3658         * bitmap.h (bmp_iter_single_init, bmp_iter_and_not_init,
3659         bmp_iter_and_init): Shift by bit_in_word.
3660
3661 2004-09-27  Kelley Cook  <kcook@gcc.gnu.org>
3662
3663         * aclocal.m4: Quote m4_includes. Include ../config/gcc-lib-path.m4.
3664         * configure.ac: Don't sinclude it here.
3665         * configure: Regenerate.
3666
3667 2004-09-27  Dorit Naishlos  <dorit@il.ibm.com>
3668
3669         * config/rs6000/rs6000.c (rs6000_legitimate_address, print_operand):
3670         Handle AND pattern
3671
3672 2004-09-27  Joseph S. Myers  <jsm@polyomino.org.uk>
3673
3674         PR c/13804
3675         * c-typeck.c (build_component_ref): Name type involved in
3676         diagnostic for structure or union without a member of the given
3677         name.
3678
3679 2004-09-27  DJ Delorie  <dj@redhat.com>
3680
3681         * config/stormy16/stormy16.c (xstormy16_asm_output_aligned_common):
3682         .comm alignment is bytes, not bits.
3683
3684 2004-09-27  Devang Patel  <dpatel@apple.com>
3685
3686         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
3687         (print_call_name): Do not print VEC_COND_EXPR.
3688
3689 2004-09-27  Devang Patel  <dpatel@apple.com>
3690
3691         * tree-pretty-print.c (dump_generic_node): Print VEC_COND_EXPR.
3692
3693 2004-09-27  Jan Hubicka  <jh@suse.cz>
3694
3695         * i386.c (athlon_cost, k8_cost): Set BRANCH_COST to 5.
3696
3697 2004-09-27  Kazu Hirata  <kazu@cs.umass.edu>
3698
3699         * bitmap.h: Fix a comment typo.
3700
3701 2004-09-27  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
3702
3703         * libgcc2.c (getpagesize): Change type of return value to int.
3704
3705 2004-09-26  Matt Austern  <austern@apple.com>
3706
3707         * ggc-page.c (GGC_QUIRE_SIZE): Bump up from 16 to 256 if we're
3708         using mmap.
3709
3710 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3711
3712         * bitmap.h (EXECUTE_IF_SET_IN_BITMAP, EXECUTE_IF_AND_COMPL_IN_BITMAP,
3713         EXECUTE_IF_AND_IN_BITMAP): Changed to iterator style.
3714         (bitmap_iterator): New type.
3715         (bmp_iter_common_next_1, bmp_iter_single_next_1, bmp_iter_single_init,
3716         bmp_iter_end_p, bmp_iter_single_next, bmp_iter_and_not_next_1,
3717         bmp_iter_and_not_init, bmp_iter_and_not_next, bmp_iter_and_next_1,
3718         bmp_iter_and_init, bmp_iter_and_next): New functions.
3719         * basic-block.h (EXECUTE_IF_SET_IN_REG_SET,
3720         EXECUTE_IF_AND_COMPL_IN_REG_SET, EXECUTE_IF_AND_IN_REG_SET): Changed to
3721         use iterator-style EXECUTE_IF_IN_BITMAP macros.
3722         * bitmap.c (bitmap_print): Ditto.
3723         * bt-load.c (clear_btr_from_live_range, add_btr_to_live_range,
3724         btr_def_live_range): Ditto.
3725         * cfganal.c (compute_dominance_frontiers_1) Ditto.
3726         * cgraphunit.c (convert_UIDs_in_bitmap, cgraph_characterize_statics):
3727         Ditto.
3728         * ddg.c (build_inter_loop_deps): Ditto.
3729         * df.c (FOR_EACH_BB_IN_BITMAP, df_bb_reg_info_compute, df_refs_update):
3730         Ditto.
3731         * except.c (remove_eh_handler): Ditto.
3732         * flow.c (reg_set_to_hard_reg_set): Ditto.
3733         * gcse.c (clear_modify_mem_tables): Ditto.
3734         * global.c (build_insn_chain): Ditto.
3735         * ifcvt.c (dead_or_predicable): Ditto.
3736         * loop-invariant.c (get_inv_cost, set_move_mark, move_invariant_reg):
3737         Ditto.
3738         * ra-build.c (livethrough_conflicts_bb, conflicts_between_webs): Ditto.
3739         * ra-rewrite.c (reloads_to_loads, rewrite_program2,
3740         detect_web_parts_to_rebuild, delete_useless_defs, actual_spill): Ditto.
3741         * tree-cfg.c (allocate_ssa_names, tree_duplicate_sese_region,
3742         tree_purge_all_dead_eh_edges): Ditto.
3743         * tree-into-ssa.c (compute_global_livein, insert_phi_nodes,
3744         insert_phi_nodes_for, debug_def_blocks_r, invalidate_name_tags,
3745         rewrite_ssa_into_ssa): Ditto.
3746         * tree-outof-ssa.c (find_replaceable_exprs): Ditto.
3747         * tree-sra.c (scan_function, decide_instantiations, scalarize_parms):
3748         Ditto.
3749         * tree-ssa-alias.c (init_alias_info, compute_points_to_and_addr_escape,
3750         compute_flow_sensitive_aliasing, maybe_create_global_var,
3751         dump_points_to_info_for): Ditto.
3752         * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Ditto.
3753         * tree-ssa-dse.c (dse_finalize_block): Ditto.
3754         * tree-ssa-live.c (live_worklist, calculate_live_on_entry,
3755         calculate_live_on_exit, build_tree_conflict_graph, dump_live_info):
3756         Ditto.
3757         * tree-ssa-loop-ivopts.c (find_induction_variables,
3758         find_interesting_uses, add_old_ivs_candidates, alloc_use_cost_map,
3759         determine_use_iv_costs, determine_set_costs, find_best_candidate,
3760         set_cost_up_to, create_new_ivs, remove_unused_ivs, free_loop_data):
3761         Ditto.
3762         * tree-ssa-loop-manip.c (add_exit_phis_var, add_exit_phis): Ditto.
3763         * tree-ssa-operands.c (get_asm_expr_operands, add_call_clobber_ops,
3764         add_call_read_ops): Ditto.
3765         * tree-ssa-pre.c (bitmap_print_value_set, insert_aux): Ditto.
3766
3767 2004-09-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3768
3769         * pa.c (print_operand): Use non-trapping completers for UNLE, UNLT,
3770         UNGE, UNGT, UNEQ, UNORDERED and ORDERED comparisons.
3771
3772 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
3773
3774         * builtins.c (expand_builtin_memcmp): Adjust MEM_SIZE to
3775         reflect size of memory regions being compared.
3776
3777 2004-09-26  Ulrich Weigand  <uweigand@de.ibm.com>
3778
3779         * builtins.c (get_memory_rtx): Set mem attributes for non-ADDR_EXPR
3780         expressions.  Always clear MEM_SIZE and alias set.
3781
3782 2004-09-26  Roger Sayle  <roger@eyesopen.com>
3783             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3784
3785         PR middle-end/17112
3786         * stor-layout.c (compute_record_mode): For records with a single
3787         field, only use the field's mode if its size matches what we'd
3788         have choosen for the record ourselves.  This forces the use of
3789         BLKmode for packed records that don't completely fill a mode.
3790
3791 2004-09-26  Roger Sayle  <roger@eyesopen.com>
3792
3793         PR middle-end/17151
3794         * combine.c (force_to_mode): Remove dubious early return test that
3795         inhibits further optimization.
3796
3797 2004-09-26  Kazu Hirata  <kazu@cs.umass.edu>
3798
3799         * profile.c: Fix a comment typo.
3800
3801 2004-09-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3802
3803         PR bootstrap/17591
3804         * tree-ssa-loop-im.c (for_each_index): Call callback for component_refs
3805         with varying offset.
3806         * tree-ssa-loop-ivopts.c (abnormal_ssa_name_p): New function.
3807         (idx_contains_abnormal_ssa_name_p): Scan step and lower bound for
3808         ARRAY_REFS.
3809         (expr_invariant_in_loop_p): New function.
3810         (idx_find_step): Handle step and lower bound for ARRAY_REFs.  Handle
3811         component_ref_field_offset for COMPONENT_REFs.  Do not allow
3812         ALIGN_INDIRECT_REFs and MISALIGNED_INDIRECT_REFs.
3813         (add_address_candidates): Do not handle ALIGN_INDIRECT_REFs and
3814         MISALIGNED_INDIRECT_REFs.
3815         (idx_remove_ssa_names): Handle step and lower bound for ARRAY_REFs.
3816         (rewrite_address_base): Do not handle ALIGN_INDIRECT_REFs and
3817         MISALIGNED_INDIRECT_REFs.
3818
3819 2004-09-26  Joseph S. Myers  <jsm@polyomino.org.uk>
3820
3821         PR c/11459
3822         * gcc.c (cpp_options, cc1_options): Preserve relative order of
3823         -std and -ansi options.
3824
3825 2004-09-26  Jan Hubicka  <jh@suse.cz>
3826
3827         * dwarf2out.c (dwarf2out_finish): Set parent to comp_unit_die
3828         for nested functions whose proper parent has not been output.
3829
3830         * profile.c (compute_branch_probabilities): Use REG_BR_PROB notes
3831         when re-constructing profile previously invalidated by loop.
3832
3833 2004-09-25  Dale Johannesen  <dalej@apple.com>
3834
3835         * tree-gimple.c:  Move GIMPLE definition...
3836         * doc/tree-ssa.texi:  here.
3837
3838 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
3839
3840         * tree-vectorizer.c: Fix a comment typo.
3841
3842 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
3843
3844         * c-typeck.c, defaults.h, dwarf.h, dwarf2out.c, fold-const.c,
3845         gthr-dce.h, gthr-posix.h, gthr-solaris.h, gthr-win32.h,
3846         lambda-code.c, lambda-mat.c, libgcc2.c, stmt.c,
3847         tree-ssa-pre.c, tree-vn.c, tree.h: Fix comment formatting.
3848
3849 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
3850
3851         * tree-ssa-loop-unswitch.c: Fix a comment typo.
3852
3853 2004-09-25  Kazu Hirata  <kazu@cs.umass.edu>
3854
3855         * doc/passes.texi: Fix a typo.
3856
3857 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3858
3859         * tree-optimize.c (init_tree_optimization_passes): Add
3860         pass_record_bounds.
3861         * tree-pass.h (pass_record_bounds): Declare.
3862         * tree-ssa-loop.c (tree_ssa_loop_bounds, pass_record_bounds):
3863         New pass.
3864
3865 2004-09-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3866
3867         PR tree-optimization/17474
3868         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Determine
3869         offset of the field correctly when DECL_FIELD_BIT_OFFSET != 0.
3870
3871 2004-09-25  Jan Hubicka  <jh@suse.cz>
3872
3873         * predict.c (counts_to_freqs): Make global.
3874         * predict.h (counts_to_freqa): Declare.
3875         * profile.c (compute_branch_probabilities): Compute frequencies
3876         * tree-profile.c (do_tree_profiling): Refine conditional on when
3877         tree profiling pass is needed.
3878
3879         * passes.c (rest_of_handle_cfg): Disable const/pure function
3880         detection when doing tree based profiling.
3881
3882         * tree-inline.c (expand_call_inline): Fix incorrectly reversed
3883         conditional.
3884
3885 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
3886
3887         * config/mips/mips.h (struct mips_args): Clarify comments.
3888         * config/mips/mips.c (struct mips_arg_info): Likewise.
3889         (mips_arg_info): Don't allow fpr_p to affect the register or
3890         stack alignment.  Remove o64 silliness.
3891         (function_arg): Deal with the o32 float,float case specially.
3892
3893 2004-09-25  Richard Sandiford  <rsandifo@redhat.com>
3894
3895         * config/mips/mips.md (loadx, storex): Define for V2SF.
3896
3897 2004-09-25  Ulrich Weigand  <uweigand@de.ibm.com>
3898
3899         * config/s390/s390-protos.h (s390_back_chain_rtx): Add prototype.
3900         * config/s390/s390.c (s390_back_chain_rtx): New function.
3901         * config/s390/s390.md ("allocate_stack"): Use s390_back_chain_rtx.
3902         Call anti_adjust_stack.
3903         ("restore_stack_block"): Use s390_back_chain_rtx.  Enable pattern
3904         only if compiling with back chain.
3905         ("save_stack_nonlocal", "restore_stack_nonlocal"): Save/restore
3906         back chain only if back chain enabled.  Use s390_back_chain_rtx.
3907
3908 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
3909
3910         * doc/trouble.texi: Remove obsolete information.  Update
3911         information on how to regenerate fixincluded headers.
3912
3913 2004-09-25  Joseph S. Myers  <jsm@polyomino.org.uk>
3914
3915         PR c/12951
3916         * doc/invoke.texi: Document that
3917         -Wno-error-implicit-function-declaration is not accepted.
3918
3919 2004-09-24  Richard Henderson  <rth@redhat.com>
3920
3921         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): New.
3922         * config/alpha/alpha.c (alpha_vector_mode_supported_p): Don't depend
3923         on TARGET_MAX.
3924         (alpha_expand_mov): Allow unaligned vectors.
3925         (alpha_expand_unaligned_store): Use CONST0_RTX.
3926         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.
3927
3928 2004-09-24 Jeff Law  <law@redhat.com>
3929
3930         * tree-ssa-dom.c (dom_opt_finalize_block): Fix violation of strict
3931         aliasing rules.
3932         (simplify_cond_and_lookup_avail_expr): Likewise.
3933
3934 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
3935
3936         PR c/12802
3937         * doc/extend.texi (Unnamed Fields): Remove "." from end of long
3938         title.  Document interaction with -fms-extensions.
3939         * doc/invoke.texi (-fms-extensions): Refer to Unnamed Fields
3940         section.
3941
3942 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
3943
3944         PR c/12713
3945         * doc/extend.texi: Document interaction of attribute noreturn and
3946         longjmp.
3947
3948 2004-09-24  Richard Henderson  <rth@redhat.com>
3949
3950         PR rtl-opt/17503
3951         * regclass.c (subregs_of_mode): Turn into an htab.  Make static.
3952         (som_hash, som_eq): New.
3953         (init_subregs_of_mode, record_subregs_of_mode): New.
3954         (cannot_change_mode_set_regs): Rewrite for htab implementation.
3955         (invalid_mode_change_p): Likewise.
3956         * combine.c (gen_lowpart_for_combine): Use record_subregs_of_mode.
3957         * flow.c (mark_used_regs): Likewise.
3958         (life_analysis): Use init_subregs_of_mode.
3959         * regs.h (subregs_of_mode): Remove.
3960         * rtl.h (init_subregs_of_mode, record_subregs_of_mode): Declare.
3961
3962 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
3963
3964         * tree-ssa-phiopt.c (conditional_replacement): Use the correct
3965         type with the copy of the conditional.
3966
3967 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
3968
3969         PR tree-opt/16954
3970         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
3971         Prevent renaming if the aliasing sets of the type which the
3972         pointer points to are different.
3973
3974 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
3975
3976         PR c/17188
3977         * c-decl.c (diagnose_mismatched_decls): Check for duplicate
3978         declarations of enumerators.
3979         (start_struct): Check TYPE_SIZE rather than TYPE_FIELDS to check
3980         for redefinition.  Check for nested redefinition.
3981         (finish_struct): Don't check for nested redefinition.
3982         (start_enum): Check for nested redefinition.
3983
3984 2004-09-24  Devang Patel  <dpatel@apple.com>
3985
3986         * tree-if-conv.c (tree_if_convert_cond_expr0: Create temp. variable
3987         only when necesssary.
3988         (combine_blocks): Combine loop header and exit block.
3989
3990 2004-09-24  Paolo Bonzini  <bonzini@gnu.org>
3991
3992         * hooks.c (hook_tree_tree_bool_null): New.
3993         * hooks.h (hook_tree_tree_bool_null): Declare it.
3994         * target-def.c (TARGET_FOLD_BUILTIN): Point to it.
3995         * targhooks.c (default_fold_builtin): Remove.
3996         * targhooks.h (default_fold_builtin): Remove.
3997
3998 2004-09-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3999
4000         PR rtl-optimization/17625
4001         * loop-doloop.c (doloop_modify): Unshare rtl before emitting it.
4002
4003 2004-09-24  Andrew Pinski  <pinskia@physics.uc.edu>
4004
4005         PR tree-opt/17624
4006         * tree-ssa-forwprop.c (record_single_argument_cond_exprs):
4007         Reject if any of the operands occur in an abnormal PHI.
4008
4009 2004-09-24  Andreas Schwab  <schwab@suse.de>
4010
4011         * tree-ssa-dom.c (record_range): Fix violation of strict aliasing
4012         rules.
4013
4014 2004-09-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
4015
4016         * config.gcc (sparc64-*-solaris2*): Include sparc/sol2-gas.h
4017         if the GNU assembler is used.
4018         (sparc-*-solaris2*): Likewise.
4019         * dbxout.c (NO_DBX_BNSYM_ENSYM): Default to zero.
4020         (dbxout_function_end): Protect N_ENSYM with it.
4021         (dbxout_begin_prologue): Protect N_BNSYM with it.
4022         * doc/tm.texi (NO_DBX_BNSYM_ENSYM): Document it.
4023         * config/sparc/sol2.h (NO_DBX_BNSYM_ENSYM): Define to 1.
4024         * config/sparc/sol2-gas.h: New file.
4025
4026 2004-09-23  H.J. Lu  <hongjiu.lu@intel.com>
4027
4028         PR bootstrap/17369
4029         * Makefile.in (@set_gcc_lib_path@): Added.
4030
4031         * configure.ac: Include ../config/gcc-lib-path.m4. Use
4032         TL_AC_GNU_MAKE_GCC_LIB_PATH.
4033         * configure: Regenerated.
4034
4035 2004-09-24  Joseph S. Myers  <jsm@polyomino.org.uk>
4036
4037         PR c/6980
4038         * c-typeck.c (build_c_cast): Improve wording of
4039         -Wbad-function-cast diagnostic.
4040
4041 2004-09-23  Hans-Peter Nilsson  <hp@axis.com>
4042
4043         PR target/17626
4044         * config/cris/cris.md (moverside, movemside): Rename variable
4045         "reg" to "otherop".  To generate canonical RTX, check that otherop
4046         isn't constant instead of checking that operand 1 is a register.
4047
4048 2004-09-23  Jakub Jelinek  <jakub@redhat.com>
4049
4050         * tree-ssa-propagate.c (set_rhs): Fail if EXPR is COMPOUND_EXPR.
4051
4052 2004-09-23  Diego Novillo  <dnovillo@redhat.com>
4053             Jakub Jelinek  <jakub@redhat.com>
4054
4055         * tree-flow.h (find_new_referenced_vars): Add prototype.
4056         * tree-sra.c (find_new_referenced_vars_1, find_new_referenced_vars):
4057         Move to...
4058         * tree-dfa.c (find_new_referenced_vars_1, find_new_referenced_vars):
4059         ... here.
4060         (mark_new_vars_to_rename): Walk through all operands.
4061         * tree-ssa-ccp.c (convert_to_gimple_builtin): New function.
4062         (execute_fold_all_builtins): Use it.
4063         (pass_fold_builtins): Add TODO_rename_vars to todo_flags_finish.
4064
4065 2004-09-23  P.J. Darcy  <darcypj@us.ibm.com>
4066
4067         * gthr-tpf.h: New file.
4068         * config.gcc (s390x-ibm-tpf*): Add thread_file='tpf'.
4069         * gthr.h: Use gthr-tpf.h on TPF OS.
4070
4071 2004-09-23 Jeff Law  <law@redhat.com>
4072
4073         * tree-ssa-ccp.c (get_default_value): Use SSA_NAME_VALUE rather
4074         than SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
4075         (substitute_and_fold):  Likewise.
4076         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Remove everything
4077         except invariants from SSA_NAME_VALUE.
4078         (thread_across_edge): Use SSA_NAME_VALUE rather than SSA_NAME_EQUIV
4079         and SET_SSA_NAME_EQUIV.
4080         (restore_vars_to_original_value, record_const_or_copy): Likewise.
4081         (record_equivalences_from_phis, record_const_or_copy_1): Likewise.
4082         (record_equality, cprop_into_successor_phis): Likewise.
4083         (record_equivalences_from_stmt, cprop_operand): Likewise.
4084         (lookup_avail_expr): Likewise.
4085         * tree-ssa-pre.c (fini_pre): Remove everything except invariants
4086         from SSA_NAME_VALUE.
4087         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): Kill.
4088         (struct tree_ssa_name):  Kill EQUIV field.  Remove GGC skip
4089         annotation from the VALUE_HANDLE field.
4090
4091 2004-09-21 Fariborz Jahanian <fjahanian@apple.com>
4092
4093         PR c++/13989
4094         PR c++/9844
4095         * tree.c (reconstruct_complex_type): Remove extra "this".
4096         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
4097         Add V4SFmode to case statement.
4098
4099 2004-09-23  Joseph S. Myers  <jsm@polyomino.org.uk>
4100
4101         PR c/16833
4102         * doc/extend.texi, doc/invoke.texi: Document interaction of
4103         -fno-builtin with format checks.  Note that built-in functions
4104         have effects beyond generating code that avoids calls to those
4105         functions.
4106
4107 2004-09-23  Frank Ch. Eigler <fche@redhat.com>
4108
4109         PR tree-optimization/17533
4110         * dominance.c (verify_dominators): Tolerate even more incorrect
4111         dominance data during error message printing.
4112         * tree-mudflap.c (mf_build_check_statement_for): Build basic blocks
4113         and edges more correctly.
4114
4115 2004-09-23  Dorit Naishlos <dorit@il.ibm.com>
4116
4117         * tree.def (ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF):
4118         New tree-codes.
4119         * tree.h (REF_ORIGINAL): Consider ALIGN_INDIRECT_REF and
4120         MISALIGNED_INDIRECT_REF.
4121         * alias.c (get_alias_set, nonoverlapping_memrefs_p): Likewise.
4122         * emit-rtl.c (mem_expr_equal_p, set_mem_attributes_minus_bitpos):
4123         Likewise.
4124         * expr.c (safe_from_p, expand_expr_real_1, rewrite_address_base)
4125         (find_interesting_uses_address): Likewise.
4126         * fold-const.c (non_lvalue, operand_equal_p): Likewise.
4127         (build_fold_addr_expr_with_type): Likewise.
4128         * gimplify.c (gimplify_addr_expr, gimplify_expr): Likewise.
4129         * print-rtl.c (print_mem_expr): Likewise.
4130         * tree-dump.c (dequeue_and_dump): Likewise.
4131         * tree-eh.c (tree_could_trap_p): Likewise.
4132         * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
4133         * tree-pretty-print.c (op_prio, op_symbol, dump_generic_node): Likewise.
4134         * tree-ssa-alias.c (find_ptr_dereference, ptr_is_dereferenced_by):
4135         Likewise.
4136         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
4137         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4138         * tree-ssa-loop-im.c (for_each_index, is_call_clobbered_ref): Likewise.
4139         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
4140         (add_address_candidates, rewrite_address_base): Likewise.
4141         * tree-ssa-operands.c (get_expr_operands, get_indirect_ref_operands):
4142         Likewise.
4143         * tree.c (staticp, build1_stat): Likewise.
4144
4145         * tree.def (REALIGN_LOAD_EXPR, REALIGN_STORE_EXPR): New tree-codes.
4146         * tree-pretty-print.c (dump_generic_node): Consider REALIGN_LOAD_EXPR.
4147         * tree-ssa-operands.c (get_expr_operands): Likewise.
4148         * expr.c (expand_expr_real_1): Likewise.
4149
4150         * optabs.h (vec_realign_store_optab, vec_realign_load_optab): New
4151         optabs.
4152         (OTI_vec_realign_store, OTI_vec_realign_load): New optab_index values
4153         for the new optabs.
4154         (expand_ternary_op): New function.
4155         * genopinit.c (optabs): Handle the new optabs.
4156         * optabs.c (optab_for_tree_code): Add cases for the new tree-codes.
4157         (init_optabs): Initialize vec_realign_load_optab.
4158         (expand_ternary_op): New functions.
4159
4160         * target-def.h (TARGET_VECTORIZE): New member for struct gcc_target.
4161         (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New member for targetm.vectorize.
4162         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Likewise.
4163         (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Likewise.
4164         * target.h (struct vectorize): New member for struct gcc_target.
4165         (misaligned_mem_ok): New member for targetm.vectorize.
4166         (builtin_mask_for_load): Likewise.
4167         (builtin_mask_for_store): Likewise.
4168         * targethooks.c (default_vect_misaligned_mem_ok): New function.
4169         * targethooks.h (default_vect_misaligned_mem_ok): New function.
4170
4171         * config/rs6000/altivec.md (build_vector_mask_for_load): New
4172         define_expand.
4173         (vec_realign_load_v4si, vec_realign_load_v4sf, vec_realign_load_v8hi)
4174         (vec_realign_load_v16qi): New define_insn.
4175         * config/rs6000/rs6000.h (ALTIVEC_BUILTIN_MASK_FOR_LOAD):
4176         (ALTIVEC_BUILTIN_MASK_FOR_STORE): New target builtins.
4177         * config/rs6000/rs6000.c (altivec_builtin_mask_for_load):
4178         (altivec_builtin_mask_for_store): New variables.
4179         (rs6000_builtin_mask_for_load): New function. Implements
4180         TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD.
4181         (rs6000_builtin_mask_for_store): New function. Implements
4182         TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE.
4183         (rs6000_expand_builtin): Expand the target builtins
4184         builtin_mask_for_load and builtin_mask_for_store.
4185         (altivec_init_builtins): Initialize the new target builtins.
4186         * config/i386/i386.c (ix86_misaligned_mem_ok): New function.
4187         Implements the target hook TARGET_VECTORIZE_MISALIGNED_MEM_OK.
4188
4189         * tree-vectorizer.c (vect_create_data_ref): Renamed to
4190         vect_create_data_ref_ptr. Returns a pointer instead of an array-ref.
4191         (vect_create_addr_base_for_vector_ref): Additional argument (offset).
4192         (vectorizable_store): Call vect_create_data_ref_ptr with additional
4193         arguments, and create an indirect_ref with its return value data_ref.
4194         Check aligned_access_p.
4195         (vectorizable_load): Handle misaligned loads, using software-pipelined
4196         scheme with REALIGN_LOAD_EXPR and ALIGN_INDIRECT_REF if
4197         vec_realign_load_optab is supported, or using a scheme without
4198         software-pipelining with MISALIGNED_INDIRECT_REF if the target hook
4199         misaligned_mem_ok is supported.
4200
4201         (vect_finish_stmt_generation): Typo.
4202         (vect_enhance_data_refs_alignment): Rename loop_vinfo to loop_info.
4203         (vect_analyze_data_refs_alignment): Don't fail vectorization in the
4204         presence of misaligned loads.
4205         (vect_analyze_data_ref_access): Add check for constant init.
4206         (vect_get_symbl_and_dr): Remove duplicate line.
4207         * tree-vectorizer.h (DR_MISALIGNMENT): Add comment.
4208
4209 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
4210
4211         * builtins.c: Fix a comment typo.
4212
4213 2004-09-23  Jan Hubicka  <jh@suse.cz>
4214
4215         * profile.c (branch_prob): Do not verify flow info in the middle of the
4216         pass.
4217
4218 2004-09-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
4219
4220         * cfgloop.h (update_single_exits_after_duplication): Declare.
4221         (loopify, split_loop_bb): Declaration changed.
4222         * cfgloopmanip.c (split_loop_bb): Take void * as an argument instead
4223         of rtx.
4224         (loopify): Added redirect_all_edges argument.
4225         (update_single_exits_after_duplication): Export.
4226         * loop-unswitch.c (unswitch_loop): Changed due to loopify change.
4227         * tree-flow.h (tree_duplicate_loop_to_header_edge,
4228         tree_ssa_loop_version): Declare.
4229         * tree-ssa-loop-manip.c (copy_phi_node_args, rename_variables,
4230         set_phi_def_stmts, tree_duplicate_loop_to_header_edge,
4231         lv_adjust_loop_header_phi, lv_adjust_loop_entry_edge,
4232         lv_update_pending_stmts, tree_ssa_loop_version): New functions.
4233
4234         * tree-ssa-loop-unswitch.c: New file.
4235         * Makefile.in (tree-ssa-loop-unswitch.o): Add.
4236         * timevar.def (TV_TREE_LOOP_UNSWITCH): New timevar.
4237         * tree-flow.h (tree_ssa_unswitch_loops): Declare.
4238         * tree-optimize.c (init_tree_optimization_passes): Add pass_unswitch.
4239         * tree-pass.h (pass_unswitch): Declare.
4240         * tree-ssa-loop.c (tree_ssa_loop_unswitch,
4241         gate_tree_ssa_loop_unswitch, pass_unswitch): New pass.
4242         * doc/passes.texi: Documen tree level loop unswitching.
4243
4244 2004-09-23  Kazu Hirata  <kazu@cs.umass.edu>
4245
4246         * cfgexpand.c, config/s390/tpf-eh.c: Fix comment typos.
4247
4248 2004-09-22  Eric Christopher  <echristo@redhat.com>
4249
4250         * builtins.c (simplify_builtin_va_start): Remove.
4251         (simplify_builtin): Ditto.
4252         (fold_builtin_strchr): Ditto.
4253         (simplify_builtin_*): Rename remainders to fold_builtin_*.
4254         (expand_builtin): Fix up for above changes.
4255         (fold_builtin_1): Add new folders. Change for above.
4256         (expand_builtin_va_start): Call fold_builtin_next_arg.
4257         * gimplify.c (gimplify_call_expr): Fix calls to simplify_builtin.
4258         * tree.h: Remove prototype for simplify_builtin.
4259
4260 2004-09-23  Jan Hubicka  <jh@suse.cz>
4261
4262         PR debug/17389
4263         * dwarf2out.c (dwarf2out_finish): Deal with nested functions
4264         of fully inlined functions.
4265         * tree-inline.c (inline_forbidden_p_1): Nested functions can be
4266         inlined.
4267
4268         * cfgexpand.c (add_reg_br_prob_note): New function.
4269         (expand_gimple_cond_expr): Use it.
4270         (tree_expand_cfg): No longer kill the profile.
4271         * cfgrt.c (rtl_verify_flow_info_1): Check profile consistency
4272         only if it is present.
4273         * passes.c (rest_of_handle_loop_optimize): Kill the profile.
4274         * predict.c (combine_predictions_for_insn): Set the probabilities
4275         based on REG_BR_PROB note if present.
4276         * predict.c (branch_prob): Profile is read only with
4277         flag_branch_probabilities.
4278
4279 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
4280
4281         * aclocal.m4: Add in gettext's m4 includes.
4282         (AC_ICONV, AC_LCMESSAGES, GCC_PATH_PROG): Remove.
4283         * configure.ac: Add in check for iconv.h
4284         * configure: Regenerate.
4285
4286 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
4287
4288         * aclocal.m4: Update for rename of gettext-sister.m4.
4289
4290 2004-09-22  Daniel Berlin <dberlin@dberlin.org>
4291
4292         Fix PR tree-optimization/17587
4293         * tree-ssa-pre.c (fini_pre): Commit edge inserts here.
4294         (insert_aux): Instead of here.
4295
4296 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
4297
4298         PR tree-optimization/16721
4299         * tree-dfa.c (dump_variable): Show TREE_THIS_VOLATILE.
4300         * tree-ssa-alias.c (create_memory_tag): Move setting of
4301         TREE_THIS_VOLATILE ...
4302         (get_tmt_for): ... here.
4303
4304 2004-09-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4305
4306         * config/sparc/sparc.md (cmove splitter): Fix formatting.
4307         (conditional_trap expander): Reject inappropriate CCmodes.
4308         (conditional trap insn): Use V9 syntax if possible.
4309
4310 2004-09-22  Joseph S. Myers  <jsm@polyomino.org.uk>
4311
4312         PR c/16566
4313         * c-typeck.c (build_component_ref): Don't special-case
4314         COMPOUND_EXPR.
4315
4316 2004-09-22  Frank Ch. Eigler  <fche@redhat.com>
4317
4318         * dominance.c (verify_dominators): Don't SEGV if recount_dominator
4319         returns NULL.
4320
4321 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
4322
4323         * doc/c-tree.texi (TRUTH_NOT_EXPR, TRUTH_ANDIF_EXPR,
4324         TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4325         TRUTH_XOR_EXPR): Mention the restriction on types.
4326
4327 2004-09-22  Matt Austern  <austern@apple.com>
4328
4329         * config/darwin.c (darwin_make_decl_one_only):
4330         Allow coalesced symbol to appear in static archive's table of contents
4331
4332 2004-09-22  Kazu Hirata  <kazu@cs.umass.edu>
4333
4334         PR tree-optimization/17512
4335         * convert.c (convert_to_integer): Don't handle TRUTH_*_EXPR as
4336         special cases.
4337
4338 2004-09-22  David Edelsohn  <edelsohn@gnu.org>
4339
4340         * dbxout.c (get_lang_number): Do not define if
4341         DBX_OUTPUT_MAIN_SOURCE_DIRECTORY is defined.
4342
4343 2004-09-22  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>
4344
4345         PR target/15583
4346         * config/rs6000/rtems.h (TARGET_OS_CPP_BUILTINS): Add
4347         builtin_define ("__USE_INIT_FINI__").
4348
4349 2004-09-22  P.J. Darcy  <darcypj@us.ibm.com>
4350
4351         * config/s390/s390-protos.h (s390_emit_tpf_eh_return): Add prototype.
4352         * config/s390/s390.c (s390_emit_tpf_eh_return): New function.
4353         * config/s390/s390.h (TARGET_TPF): New macro.
4354         * config/s390/s390.md ("eh_return"): New expander.
4355         * config/s390/t-tpf (LIB2ADDEH): Use unwind-dw2-fde.c rather than
4356         unwind-dw2-fde-glibc.c.  Add config/s390/tpf-eh.c.
4357         (LIB2ADDEHDEP): Remove unwind-dw2-fde.c.
4358         * config/s390/tpf.h (TARGET_TPF): Define to 1.
4359         (STACK_POINTER_OFFSET): Increase to 448.
4360         (TARGET_DEFAULT): Set -mtpf-trace on as default.
4361         (TPF_LOC_DIFF_OFFSET): New macro.
4362         (ASM_PREFERRED_EH_DATA_FORMAT): Redefine to always use absolute
4363         encoding.
4364         (__isPATrange): Add prototype.
4365         (MD_FALLBACK_FRAME_STATE_FOR): Define.
4366         * config/s390/tpf-eh.c: New file.
4367
4368 2004-09-22  Diego Novillo  <dnovillo@redhat.com>
4369
4370         * fold-const.c (fold): Avoid non INTEGER_TYPEs when widening
4371         operands in an integer comparison.
4372         * tree-cfg.c (find_taken_edge): Call fold() to determine
4373         whether the predicate is known.
4374
4375 2004-09-22  Kelley Cook  <kcook@gcc.gnu.org>
4376
4377         * aclocal.m4: Import AM_PROG_CC_C_O and AM_AUX_DIR_EXPAND.
4378         * configure.ac: Call AM_PROG_CC_C_O instead of AC_PROG_CC_C_O.
4379         Create build and doc directories along with the language directories.
4380         Don't create doc directory separately.
4381         * configure: Regenerate.
4382         * Makefile.in: Create all object and executables files built
4383         with the build compiler in a build/ directory.
4384         (genobjnames): Add missing build objects.
4385         (STAGESTUFF): Don't stage the gen* programs.
4386         (ggc-none.o): Define dependencies for the target compiler.
4387         (build-print-rtl.o): Rename to build/print-rtl.o.
4388         (build-errors.o): Rename to build/errors.o.
4389         (build-varray.o): Rename to build/varray.o.
4390         (maintainerclean): Delete the contents of the build directory.
4391         ($(genobjs): %.o): Explicitly use -o.
4392         (build/insn-conditions.o): Delete specfic rule to use generic rule.
4393         (build/gengtype-lex.o): Likewise.
4394         (build/gengtype-yacc.o): Likewise.
4395         (build/gcov-iov.o): Likewise.
4396
4397 2004-09-22  Nathan Sidwell  <nathan@codesourcery.com>
4398
4399         * vec.h (VEC_space): Return true if there _is_ space.
4400         (VEC_reserve): Adjust.
4401
4402 2004-09-22  Richard Sandiford  <rsandifo@redhat.com>
4403
4404         * config/mips/mips.c (mips_function_value): For o32, o64, n32 and n64,
4405         use FPRs for scalar, complex and vector types only.
4406
4407 2004-09-21 Jeff Law  <law@redhat.com>
4408
4409         * tree-ssa-dom.c (opt_stats): Move so that it lives just after
4410         the opt_stats_d structure.
4411         (vrp_data): Change from a varray into a hash table.
4412         (vrp_hash_elt): New structure for elements in the vrp hash table.
4413         (vrp_hash, vrp_eq):New functions for hashing and testing equality
4414         in the vrp hash table.
4415         (tree_ssa_dominator_optimize): Initialize VRP_DATA.  Reorganize
4416         initialization slightly to make it easier to read.  No longer need
4417         to grow/clear the varray.  Instead empty and delete the hash table.
4418         (dom_opt_finalize_block): Update due to change of VRP_DATA from
4419         a varray to a hash table.
4420         (simplify_cond_and_loop_avail_expr, record_range): Similarly.
4421
4422         * tree-ssa-ccp.c (get_default_value): If we have a constant
4423         value recorded for an SSA_NAME, then use that constant as
4424         the initial lattice value.
4425         (substitute_and_fold): Transfer equivalences discovered into
4426         SSA_NAME_EQUIV.
4427
4428         * tree.h (SSA_NAME_EQUIV): Add comments.
4429         (SET_SSA_NAME_EQUIV): Similarly.
4430
4431 2004-09-21  David Edelsohn  <edelsohn@gnu.org>
4432
4433         * config/rs6000/linux64.h (PROCESSOR_DEFAULT64): Default to POWER4.
4434
4435         * config/rs6000/rs6000.c (rs6000_adjust_cost): dep_insn is used.
4436
4437 2004-09-21  Mark Mitchell  <mark@codesourcery.com>
4438
4439         * c-decl.c (implicityl_declare): Call maybe_apply_renaming_pragma.
4440         (finish_decl): Likewise.
4441
4442 2004-09-21  Devang Patel  <dpatel@apple.com>
4443
4444         * tree.def (VEC_COND_EXPR): New tree node.
4445         * tree-ssa-operands.c (get_expr_operands): Handle VEC_COND_EXPR.
4446
4447 2004-09-21  Stan Shebs  <shebs@apple.com>
4448
4449         * config/rs6000/darwin-tramp.asm: Add __ppc64__ case.
4450         * config/rs6000/darwin-world.asm: Likewise.
4451
4452 2004-09-21  Daniel Berlin  <dberlin@dberlin.org>
4453
4454         * tree-ssa.c (verify_def): Use print_generic_stmt,
4455         not debug_generic_stmt.
4456         (verify_use): Ditto.
4457         (verify_phi_args): Ditto.
4458         (verify_ssa): Ditto.
4459
4460 2004-09-21  Paul Brook  <paul@codesourcery.com>
4461
4462         * varasm.c (default_assemble_integer): Return false for values wider
4463         than the target word size.  Works around GAS bug.
4464
4465 2004-09-21  Zack Weinberg  <zack@codesourcery.com>
4466
4467         * reg-notes.def (REG_DEP_TRUE): New entry, place first so it
4468         gets value 0.
4469         * print-rtl.c (print_rtx): Print the name of a REG_NOTE even
4470         if it has value 0.
4471
4472 2004-09-21  Daniel Berlin <dberlin@dberlin.org>
4473
4474         * c-typeck.c (build_function_call): Give name of object
4475         we are attempting to call in error message.
4476         * c-objc-common.c (c_tree_printer): Call pp_expression,
4477         not return false, for 'E' case.
4478
4479 2004-09-21  Steven Bosscher  <stevenb@suse.de>
4480
4481         PR rtl-optimization/17482
4482         * postreload-gcse.c (reg_avail_info, oprs_unchanged_p,
4483         load_killed_in_block_p): Clarify comments.
4484         (record_last_reg_set_info): Make static inline.
4485         (mark_call, mark_set, mark_clobber, mark_oprs_set): Remove.
4486         (record_opr_changes): New function to replace the above.
4487         (compute_hash_table): Clarify comments.  Use record_opr_changes.
4488         (reg_set_between_after_reload_p): Clean up.
4489         (reg_used_between_after_reload_p): Likewise.
4490         (eliminate_partially_redundant_load): Clarify comments.
4491
4492 2004-09-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4493
4494         PR rtl-optimization/17266
4495         * regmove.c (optimize_reg_copy_3): Make a new SUBREG for each insn.
4496
4497 2004-09-21  Uros Bizjak  <uros@kss-loka.si>
4498
4499         PR rtl-optimization/14851
4500         * rtlanal.c (commutative_operand_precedence): Calculate
4501         precedence of stripped constant.
4502
4503 2004-09-20 Jeff Law  <law@redhat.com>
4504            Jan Hubicka  <jh@suse.cz>
4505
4506         * tree-ssanames.c (make_ssa_name): No longer need to clear, then
4507         initialize key elements here.
4508         (release_ssa_name): Zero the released SSA_NAME here.
4509         * tree.h (SSA_NAME_EQUIV, SET_SSA_NAME_EQUIV): New macros.
4510         (struct tree_ssa_name): Add new "equiv" field.
4511         * tree-ssa-dom.c (const_and_copies): Kill the global varray.
4512         (tree_ssa_dominator_optimize): No longer allocate, resize or
4513         clear CONST_AND_COPIES.
4514         (get_value_for, set_value_for): Kill.
4515         (thread_across_edge): Get/set the equivalency using
4516         SSA_NAME_EQUIV and SET_SSA_NAME_EQUIV.
4517         (restore_vars_to_original_value): Likewise.
4518         (record_equivalences_from_phis): Likewise.
4519         (record_dominating_conditions): Likewise.
4520         (record_const_or_copy, record_equality): Likewise.
4521         (lookup_avail_expr): Likewise.
4522         (record_equivalences_from_stmt, cprop_operand): Likewise.
4523         (cprop_into_successor_phis): No longer need to pass around
4524         CONST_AND_COPIES.  Callers updated. Get equivalences via
4525         SSA_NAME_EQUIV.
4526         (cprop_into_phis): Likewise.
4527
4528 2004-09-20  Matt Austern <austern@apple.com>
4529             Zack Weinberg  <zack@codesourcery.com>
4530
4531         * c-common.c (fix_string_type): Build the unqualified array
4532         type unconditionally, then use c_build_qualified_type to get
4533         the proper const-qualified variant, and set its
4534         TYPE_MAIN_VARIANT to refer to the unqualified type.
4535         * c-lex.c (c_lex_return_raw_string): New global.
4536         (c_lex_with_flags): Honor it.
4537         * c-pragma.h: Declare it.
4538
4539 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
4540
4541         * Makefile.in: Fix flags.h dependencies to be $(FLAGS_H).
4542
4543 2004-09-21  Jan Hubicka  <jh@suse.cz>
4544
4545         PR middle-end/17126
4546         * tree-optimize.c (update_inlined_to_pointers): Fix the recursion.
4547         (tree_rest_of_compilation): Cleanup.
4548
4549 2004-09-20  Ulrich Weigand  <uweigand@de.ibm.com>
4550
4551         * config/s390/s390.c (s390_select_rtx_section): Remove.
4552         (TARGET_ASM_SELECT_RTX_SECTION): Do not redefine.
4553
4554 2004-09-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4555
4556         * config/sh/sh.c (sh_expand_prologue): Add a REG_FRAME_RELATED_EXPR
4557         note to pretend a direct save from the original register when an
4558         intermediate register is used for the save.
4559
4560 2004-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4561
4562         * tsystem.h (alloca): Provide a default definition.
4563
4564         Revert:
4565         2001-08-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4566             * unwind-dw2.c: Call __builtin_alloca, not alloca.
4567
4568 2004-09-20  Andrew Pinski  <pinskia@physics.uc.edu>
4569
4570         PR tree-opt/17558
4571         * tree-ssa-copy.c (may_propagate_copy): Only allow if the
4572         aliasing sets are the same rather than just conflicting.
4573
4574 2004-09-20  Jan Hubicka  <jh@suse.cz>
4575
4576         PR middle-end/16460
4577
4578         * cgraph.c (cgraph_unnest_node): New function.
4579         (c_finalize): Rename to ....
4580         (c_warn_unused_result_recursivly): ... this one; do only the warning
4581         (finish_function): Finalize the toplevel function; do not lower nested tree.
4582         * cgraph.h (cgraph_unnest_node): Declare.
4583         * cgraphunit.c (decide_is_function_needed): Do not use cgraph
4584         nestedness datastructure.
4585         * cse.c (cse_insn): Do not cprop nonlocal LABEL_REFs.
4586         * reload1.c (set_label_offsets): Fix call of set_label_offsets.
4587         * tree-nested.c (finlize_nesting_tree_1):  Use un-nesting code.
4588
4589 2004-09-20  Richard Henderson  <rth@redhat.com>
4590
4591         * config/alpha/alpha.c (some_small_symbolic_operand_int): Rename
4592         from some_small_symbolic_operand_1; export.
4593         (some_small_symbolic_operand): Remove.
4594         * config/alpha/alpha.md (some_small_symbolic_operand splitter): Remove
4595         extra C check.
4596         * config/alpha/predicates.md (some_small_symbolic_operand): New.
4597
4598 2004-09-20  Jan Hubicka  <jh@suse.cz>
4599
4600         * predict.c (return_prediction): New function.
4601         (apply_return_prediction): Likewise.
4602         (tree_bb_level_predictions): Likewise.
4603         (tree_estimate_probability): Add noreturn exit edges; call
4604         bb_level_predictions; fix logic of return heuristics.
4605         (predict_paths_leading_to):  Rescuesce from old CVS version of
4606         process_note_prediction function.
4607         * predict.def (PRED_TREE_EARLY_RETURN): New predictor.
4608
4609 2004-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
4610
4611         * config/s390/s390.c (s390_frame_info): Added alignment statement for
4612         floating point register area on stack.
4613
4614 2004-09-20  Jakub Jelinek  <jakub@redhat.com>
4615
4616         * predict.c (expr_expected_value): Use *_CLASS_P macros.
4617
4618 2004-09-20  Daniel Berlin  <dberlin@dberlin.org>
4619
4620         * tree-ssa-pre.c (compute_antic_aux): Use malloc'd worklist, to avoid
4621         generating useless garbage.
4622
4623 2004-09-20  Paolo Bonzini  <bonzini@gnu.org>
4624
4625         * builtins.c (fold_builtin): Call the new omonymous
4626         target hook for machine-dependent built-ins.
4627         * target-def.h (TARGET_FOLD_BUILTIN): New.
4628         * target.h (struct gcc_target): Add the fold_builtin hook.
4629         * targhooks.c (default_fold_builtin): New.
4630         * targhooks.h (default_fold_builtin): Declare it.
4631
4632 2004-09-20  Kazu Hirata  <kazu@cs.umass.edu>
4633
4634         * cfg.c, tree-ssa-threadupdate.c, tree-vectorizer.c: Fix
4635         comment typos.
4636
4637 2004-09-20  Richard Sandiford  <rsandifo@redhat.com>
4638
4639         PR target/17565
4640         * config/mips/mips.md (define_asm_attributes): Set can_delay to no.
4641
4642 2004-09-20  Jan Hubicka  <jh@suse.cz>
4643
4644         * predict.c (estimate_probability): Remove unnecesary code.
4645
4646 2004-09-19  Ira Rosen  <irar@il.ibm.com>
4647
4648         * tree-vectorizer.h (stmt_vec_info): Add vect_dr_base field.
4649         (STMT_VINFO_VECT_DR_BASE): Declare.
4650         (VECT_SMODULO): Declare.
4651         * tree-vectorizer.c (vect_compute_array_ref_alignment): New function.
4652         (vect_compute_array_base_alignment): New function.
4653         (vect_analyze_data_ref_access): Check array indices. Remove one
4654         dimensional arrays restriction.
4655         (vect_get_ptr_offset): New function.
4656         (vect_get_symbl_and_dr): New function.
4657         (vect_get_base_and_bit_offset): Support additional data refs. Renamed
4658         (former name vect_get_base_decl_and_bit_offset).
4659         (vect_create_index_for_array_ref): Removed.
4660         (vect_create_index_for_vector_ref): New function.
4661         (vect_create_addr_base_for_vector_ref): New function.
4662         (vect_create_data_ref): Handle additional data refs. Call
4663         vect_create_index_for_vector_ref and vect_create_addr_base_for_vector_ref.
4664         (vect_compute_data_ref_alignment): Support the changes. Call
4665         vect_get_base_and_bit_offset.
4666         (vect_analyze_data_refs): Call vect_get_symbl_and_dr. Support additional
4667         data refs. Store vect_dr_base.
4668         (vect_analyze_data_ref_accesses): Support nonconstant init.
4669         (new_stmt_vec_info): Initialize vect_dr_base field.
4670         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4671         (get_vectype_for_scalar_type): Check for BLKmode.
4672         * tree-chrec.h (initial_condition_in_loop_num): Declare.
4673         * tree-chrec.c (initial_condition_in_loop_num): New function.
4674         (chrec_component_in_loop_num): New function.
4675         (evolution_part_in_loop_num): Call chrec_component_in_loop_num.
4676         * tree-data-ref.c (analyze_array_indexes): Change parameter (access_fns)
4677         to be pointer to varray_type.
4678
4679 2004-09-19  Jan Hubicka  <jh@suse.cz>
4680
4681         * basic-block.h (update_bb_profile_after_threading): Declare.
4682         * cfg.c (update_bb_profile_after_threading): Break out from ...
4683         * cfgcleanup.c (try_forward_edges): ... here; use it.
4684         * tree-ssa-dom.c (thread_across_edge): Use it.
4685         * tree-ssa-threadupdate.c (create_block_for_threading): Zero out
4686         profile of the new BB.
4687
4688 2004-09-19  Daniel Berlin  <dberlin@dberlin.org>
4689
4690         * tree-ssa-pre.c (insert_into_set): Don't put
4691         is_gimple_min_invariant values into the set.
4692
4693 2004-09-19  Andreas Jaeger  <aj@suse.de>
4694
4695         * tree-ssa-dom.c (restore_nonzero_vars_to_original_value): Fix
4696         prototype.
4697
4698 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
4699
4700         * config/cris/cris.h: Preserve the original spelling in a
4701         quote.
4702
4703 2004-09-18 Jeff Law  <law@redhat.com>
4704
4705         * tree-ssa-dom.c (nonzero_vars_stack, vrp_variables_stack): New
4706         global varrays to replace the block local varrays.
4707         (struct dom_walk_block_data): Remove, no longer used.
4708         (get_eq_expr_value): No longer need to pass around pointers to local
4709         varrays.  Callers updated.  Unused markers added to unused parameters.
4710         (record_range, record_equivalences_from_stmt): Likewise.
4711         (record_equivalences_from_incoming_edge): Likewise.
4712         (record_var_is_nonzero): Likewise.  Update now that we have a
4713         single global varray of SSA_NAMEs that need restoring.
4714         (dom_opt_initialize_block_local_data): Kill, no longer used.
4715         (tree_ssa_dominator_optimize): Initialize new global varrays.
4716         Update callbacks in dominator walker structure.
4717         (dom_opt_initialize_block): Add markers to NONZERO_VAR_STACK and
4718         VRP_VARIABLES_STACK.
4719         (restore_nonzero_vars_to_original_value): Update now that we have
4720         a single global varray of SSA_NAMEs that need restoring.
4721         (dom_opt_finalize_block): Similarly for VRP_VARIABLES_STACK.
4722         Remove unused variables.
4723         (optimize_stmt): Remove unused variable.
4724
4725 2004-09-18  Jan Hubicka  <jh@suse.cz>
4726
4727         * tree-cfg.c (thread_jumps):  Fix updating of the profile.
4728
4729         * tree-optimize.c (tree_rest_of_compilation): Kill forgotten
4730         verify_cgraph call.
4731
4732 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
4733
4734         * alias.c, crtstuff.c, dbxout.c, domwalk.c, domwalk.h, gcc.c,
4735         gcse.c, global.c, lambda-code.c, loop.c, mips-tdump.c,
4736         optabs.h, predict.c, reg-stack.c, regclass.c, sched-rgn.c,
4737         tree-optimize.c, tree-ssa-dom.c, tree-ssa-forwprop.c,
4738         tree-ssa-operands.c, tree-ssa-phiopt.c,
4739         tree-ssa-threadupdate.c: Fix comment typos.
4740
4741 2004-09-18  Kazu Hirata  <kazu@cs.umass.edu>
4742
4743         * config/darwin-c.c, config/arc/arc.c, config/arc/arc.md,
4744         config/arm/README-interworking, config/arm/arm-cores.def,
4745         config/arm/arm.c, config/arm/arm.h, config/arm/pe.c,
4746         config/arm/vfp.md, config/c4x/c4x.c, config/c4x/c4x.h,
4747         config/cris/cris.c, config/cris/cris.h, config/fr30/fr30.c,
4748         config/fr30/fr30.h, config/fr30/fr30.md, config/frv/frv.c,
4749         config/frv/frv.md, config/i386/winnt.c,
4750         config/ia64/unwind-ia64.c, config/iq2000/iq2000.c,
4751         config/iq2000/iq2000.h, config/m68hc11/m68hc11.c,
4752         config/m68hc11/m68hc11.md, config/m68k/m68k.c,
4753         config/mcore/mcore.c, config/mips/mips.h,
4754         config/mn10300/mn10300.md, config/pa/pa.c,
4755         config/pa/pa64-regs.h, config/pdp11/pdp11.c,
4756         config/rs6000/rs6000.c, config/sh/symbian.c,
4757         config/sparc/sparc.h: Fix comment typos.  Follow spelling
4758         conventions.
4759
4760 2004-09-18  Joseph S. Myers  <jsm@polyomino.org.uk>
4761
4762         PR c/17424
4763         * c-typeck.c (c_expr_sizeof_expr): Check for error_mark_node.
4764
4765 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
4766
4767         * tree-ssa-alias.c (setup_pointers_and_addressables): Don't
4768         remove TREE_ADDRESSABLE from RESULT_DECL.
4769
4770 2004-09-18  Diego Novillo  <dnovillo@redhat.com>
4771
4772         * tree-ssa-alias.c (dump_alias_info): Ignore NULL SSA_NAMEs.
4773
4774 2004-09-18  Jan Hubicka  <jh@suse.cz>
4775
4776         * tree-into-ssa.c (rewrite_ssa_into_ssa):  Expect ssa_name to return
4777         NULL.
4778         * tree-ssa-alias.c (init_alias_info): Likewise.
4779         * tree-ssa.c (verify_flow_sensitive_alias_info): Likewise.
4780         (verify_ssa): Likewise.
4781         * tree-ssanames.c (make_ssa_name): Clear out ssa_names arrays.
4782
4783 2004-09-18  Jan Hubicka  <jh@suse.cz>
4784
4785         * i386.c (legitimize_pic_address): Fix splitting of PLUS with
4786         huge offset.
4787
4788 2004-09-18  Kaz Kojima  <kkojima@gcc.gnu.org>
4789
4790         * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Remove.
4791         * config/sh/sh.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4792         DW_EH_PE_sdata* for data.
4793         (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
4794
4795 2004-09-17  Geoffrey Keating  <geoffk@apple.com>
4796
4797         * tree-inline.c (copy_tree_r): Don't duplicate constants, they're
4798         shared anyway.
4799
4800         PR pch/13361
4801         * c-typeck.c (constructor_asmspec): Delete.
4802         (struct initializer_stack): Delete field 'asmspec'.
4803         (start_init): Delete saving of asmspec.
4804         (finish_init): Don't update constructor_asmspec.
4805         * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
4806         * stmt.c (expand_asm): Duplicate strings from tree.
4807         (expand_asm_operands): Likewise.
4808         * tree.c (tree_size): Update computation of size of STRING_CST.
4809         (make_node): Don't make STRING_CST nodes.
4810         (build_string): Allocate string with tree node.
4811         (tree_code_size): Clean up assertions, don't allow requests
4812         for "the size of a STRING_CST".
4813         * tree.def (STRING_CST): Update comment.
4814         * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
4815         (tree_string): Place contents of string in tree node.
4816         * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
4817         from tree.
4818
4819 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
4820
4821         * Makefile.in (c-parse.o): Depend on $(C_PRAGMA_H).
4822         * objc/Make-lang.in (objc/objc-parse.o): Likewise.
4823
4824 2004-09-17  Jones Desougi  <jones@ingate.com>
4825
4826         * configure.ac: Replace AC_COMPILE_CHECK_SIZEOF with AC_CHECK_SIZEOF.
4827         * configure, config.in: Regenerate.
4828
4829 2004-09-17  Zack Weinberg  <zack@codesourcery.com>
4830
4831         * tree.c, tree.h (tree_class_strings): Make array const.
4832         Reindent per coding convention.  Move asterisk to proper place
4833         per coding convention.
4834
4835 2004-09-18  Andreas Schwab  <schwab@suse.de>
4836
4837         * Makefile.in (gimple-low.o): Depend on $(EXPR_H).
4838         (tree-vectorizer.o): Likewise.
4839         (targhooks.o): Likewise.
4840
4841 2004-09-17  Jeffrey D. Oldham  <oldham@codesourcery.com>
4842             Zack Weinberg  <zack@codesourcery.com>
4843
4844         * alias.c (find_base_decl): Remove unreachable case '3' block.
4845         * expr.c (safe_from_p): Abort if passed a type.
4846         * tree-gimple.c (recalculate_side_effects): Abort if passed
4847         anything other than an expression.
4848         * tree-ssa-pre.c (phi_translate): Return expr immediately if
4849         is_gimple_min_invariant is true for it.  Reorder cases for clarity.
4850         Abort on un-handled tree classes.
4851         (valid_in_set): Likewise.
4852         * tree.c (tree_code_class_strings): New static data.
4853
4854         * tree.h (enum tree_code_class): New.
4855         (tree_code_class_strings): Declare.
4856         (TREE_CODE_CLASS_STRING, EXCEPTIONAL_CLASS_P, CONSTANT_CLASS_P)
4857         (REFERENCE_CLASS_P, COMPARISON_CLASS_P, UNARY_CLASS_P, BINARY_CLASS_P)
4858         (STATEMENT_CLASS_P, EXPRESSION_CLASS_P, IS_TYPE_OR_DECL_P): New macros.
4859         (TYPE_P, DECL_P, IS_NON_TYPE_CODE_CLASS, IS_EXPR_CODE_CLASS)
4860         (checking macros, EXPR_LOCATION, SET_EXPR_LOCATION, EXPR_LOCUS): Update.
4861
4862         * tree.def, c-common.def, objc/objc-tree.def: Use
4863         tree_code_class enumeration constants instead of code letters.
4864
4865         * alias.c, builtins.c, c-common.c, c-format.c, c-lang.c, c-pragma.c
4866         * c-typeck.c, cgraphunit.c, convert.c, dbxout.c, dwarf2out.c
4867         * emit-rtl.c expr.c, fold-const.c, gimplify.c, lambda-code.c
4868         * langhooks.c, langhooks.h, predict.c, print-tree.c, reload1.c, stmt.c
4869         * tree-browser.c, tree-cfg.c, tree-chrec.c, tree-complex.c, tree-dfa.c
4870         * tree-dump.c, tree-eh.c, tree-gimple.c, tree-inline.c, tree-nested.c
4871         * tree-outof-ssa.c, tree-pretty-print.c, tree-sra.c, tree-ssa-ccp.c
4872         * tree-ssa-dce.c, tree-ssa-dom.c, tree-ssa-forwprop.c, tree-ssa-live.c
4873         * tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c
4874         * tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-propagate.c
4875         * tree-ssa.c, tree-ssanames.c, tree-tailcall.c, tree.c, varasm.c
4876         * config/sol2-c.c, config/arm/arm.c, config/i386/winnt.c
4877         * config/pa/pa.c, config/pa/pa.h, config/sh/sh.c, objc/objc-lang.c
4878         Update to match.
4879
4880         * LANGUAGES: Add note about change.
4881
4882 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
4883
4884         PR tree-optimization/17319
4885         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Also
4886         examine pointers on the LHS of an assignment.
4887         (collect_points_to_info_r): Handle RETURN_EXPR.
4888
4889 2004-09-17 Jeff Law  <law@redhat.com>
4890
4891         * tree-ssa-dom.c (const_and_copies_stack): New.
4892         (dom_walk_block_data): Remove const_and_copies field.
4893         (record_const_or_copy): No longer need to pass in varray_type *.
4894         Use CONST_AND_COPIES_STACK rather than passed in block local stack.
4895         Callers updated.
4896         (record_equality): Similarly.
4897         (restore_vars_to_original_value): Similarly.  Revamp to use new
4898         single global stack rather than per-block stacks.
4899         (tree_ssa_dominator_optimize): Initialize the CONST_AND_COPIES_STACK.
4900         (thread_across_edge): Remove now unused parameters.
4901         (dom_opt_initialize_block_local_data): No longer test the block
4902         local CONST_AND_COPIES.
4903         (dom_opt_initialize_block): Push a marker on CONST_AND_COPIES_STACK.
4904
4905 2004-09-17  Jan Hubicka  <jh@suse.cz>
4906
4907         PR tree-optimization/17509
4908         * tree-optimize.c (update_inlined_to_pointers): New function.
4909         (tree_rest_of_compilation): Use it.
4910
4911 2004-09-17  Devang Patel  <dpatel@apple.com>
4912
4913         * dbxout.c (get_lang_number): New.
4914         (dbxout_init): Include lang number in N_SO  stab.
4915         * dbxout.h (N_SO_AS, N_SO_C, N_SO_ANSI_C, N_SO_CC, N_SO_FORTRAN,
4916         N_SO_PASCAL, N_SO_FORTRAN90, N_SO_OBJC, N_SO_OBJCPLUS): New #define.
4917
4918 2004-09-17  Diego Novillo  <dnovillo@redhat.com>
4919
4920         PR tree-optimization/17273
4921         * tree-ssa.c (replace_immediate_uses): Call fold_stmt if the
4922         replacement is a constant.
4923
4924 2004-09-17  Joseph S. Myers  <jsm@polyomino.org.uk>
4925
4926         * c-tree.h (enum c_typespec_keyword): New.
4927         (struct c_declspecs): Adjust description of "type".  Remove
4928         specbits, explicit_int_p and explicit_char_p.  Rename
4929         typedef_signed_p to explicit_signed_p.  Add default_int_p, long_p,
4930         short_p, signed_p, unsigned_p and complex_p.
4931         (finish_declspecs): New.
4932         * c-parse.in (datadef, datadecl, setspecs, decl, component_decl,
4933         typename): Call finish_declspecs.
4934         * c-decl.c (finish_declspecs): New.
4935         (declspecs_add_type): Check for combinations which cannot occur in
4936         valid specifier lists.  Update comments.
4937         (shadow_tag_warned): Remove checks done in finish_declspecs.
4938         Don't report useless type name if type defaulted to int.
4939         (grokdeclarator): Remove checks and actions done in
4940         finish_declspecs.  Don't allow for type being NULL.  Update for
4941         datastructures changes.  Initialize decl_attr.
4942         (build_null_declspecs, quals_from_declspecs): Update for
4943         datastructures changes.
4944
4945 2004-09-17  Sylvain Pion  <Sylvain.Pion@sophia.inria.fr>
4946
4947         * doc/extend.texi: Fix duplicated word.
4948
4949 2004-09-17  Toon Moene  <toon@moene.indiv.nluug.nl>
4950
4951         * doc/invoke.texi: Remove stray explanation on
4952         -freduce-all-givs and -fmove-all-movables.
4953
4954 2004-09-17  James Morrison  <phython@gcc.gnu.org>
4955
4956         * doc/cfg.texi: Use @smallexample.
4957         * doc/md.texi: Likewise.
4958         * doc/tree-ssa.texi: Likewise.
4959         * doc/extend.texi: Likewise.  Use @r{} in comments.
4960         * doc/trouble.texi: Use @r{} in comments.
4961
4962 2004-09-17  Hans-Peter Nilsson  <hp@bitrange.com>
4963
4964         * configure.ac (gcc_cv_gld_version): Handle whitespace before
4965         "VERSION=".
4966         * aclocal.m4 (_gcc_COMPUTE_GAS_VERSION): Ditto.
4967         * configure: Regenerate.
4968
4969 2004-09-17  J"orn Rennecke <joern.rennecke@superh.com>
4970
4971         * sh.c (sh_gimplify_va_arg_expr): Don't call pass_by_reference.
4972         (sh_pass_by_reference): Work around std_gimplify_va_arg_expr bug.
4973         * t-sh (MULTILIB_CPUS): s/ML_m/ML_sh/g .
4974         * t-sh64 (MULTILIB_CPU_DIRS): Likewise.  Match dashes and trailing
4975         slashes in substitutions.
4976         (MULTILIB_DIRNAMES): Remove defunct removal of /media32.
4977
4978 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
4979
4980         * basic-block.h, c-decl.c, c-parse.in, cgraphunit.c, ddg.c,
4981         gimplify.c, lambda-code.c, optabs.c, predict.c,
4982         tree-scalar-evolution.c, tree-sra.c, tree-ssa-loop-ch.c,
4983         tree-ssa.c, vec.h: Fix comment typos.  Follow spelling
4984         conventions.
4985
4986 2004-09-17  Kazu Hirata  <kazu@cs.umass.edu>
4987
4988         * doc/compat.texi, doc/cpp.texi, doc/cppopts.texi,
4989         doc/extend.texi, doc/install.texi, doc/invoke.texi,
4990         doc/sourcebuild.texi, doc/tm.texi, doc/tree-ssa.texi,
4991         doc/trouble.texi: Use @option around options.
4992
4993 2004-09-17  Richard Sandiford  <rsandifo@redhat.com>
4994
4995         * Makefile.in (gen-protos.o): Depend on errors.h.
4996
4997 2004-09-17  Steven Bosscher  <stevenb@suse.de>
4998
4999         PR tree-optimization/17513
5000         * cfgexpand.c (construct_init_block): Clear EDGE_EXECUTABLE
5001         for successors of the entry block.
5002
5003 2004-09-17  Uros Bizjak  <uros@kss-loka.si>
5004
5005         PR rtl-optimization/15187
5006         * ifcvt.c (noce_try_cmove_arith): Exit early if total
5007         insn_rtx_cost of both branches > BRANCH_COST
5008
5009 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
5010
5011         PR tree-optimization/17528
5012         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Do not
5013         erase the may-alias set for a tag when merging it with
5014         another.
5015
5016 2004-09-16  Kaz Kojima  <kkojima@gcc.gnu.org>
5017
5018         * config/sh/sh.md (call): Extend 32-bit addresses to DImode
5019         for 32-bit TARGET_SHMEDIA.
5020         (call_value): Likewise.
5021
5022 2004-09-16  Diego Novillo  <dnovillo@redhat.com>
5023
5024         * tree-ssa-operands.c (add_call_clobber_ops): Make read-only
5025         test apply only to TREE_STATIC and DECL_EXTERNAL.
5026
5027 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5028
5029         * Makefile.in (tree-cfg.o): Add CFGLAYOUT_H dependency.
5030         * basic-block.h (get_dominated_by_region): Declare.
5031         * dominance.c (get_dominated_by_region): New function.
5032         * tree-cfg.c: Include cfglayout.h.
5033         (tree_duplicate_bb): Duplicate also phi nodes.
5034         (struct ssa_name_map_entry): New type.
5035         (add_phi_args_after_copy_bb, add_phi_args_after_copy,
5036         ssa_name_map_entry_hash, ssa_name_map_entry_eq,
5037         allocate_ssa_names, rewrite_to_new_ssa_names_def,
5038         rewrite_to_new_ssa_names_use, rewrite_to_new_ssa_names_bb,
5039         rewrite_to_new_ssa_names, tree_duplicate_sese_region): New functions.
5040         * tree-flow.h (tree_duplicate_sese_region, add_phi_args_after_copy_bb,
5041         add_phi_args_after_copy, rewrite_to_new_ssa_names_bb,
5042         rewrite_to_new_ssa_names, allocate_ssa_names,
5043         rewrite_into_loop_closed_ssa, verify_loop_closed_ssa): Declare.
5044         * tree-ssa-loop-ch.c (duplicate_blocks): Removed.
5045         (copy_loop_headers): Use tree_duplicate_sese_region.
5046
5047 2004-09-16  Frank Ch. Eigler  <fche@redhat.com>
5048
5049         * profile.c (branch_prob): Restore support for USE_MAPPED_LOCATION.
5050
5051 2004-09-16 Jeff Law  <law@redhat.com>
5052
5053         * tree-into-ssa.c (block_defs_stack): New toplevel varray.
5054         (rewrite_block_data): Remove, no longer used.
5055         (rewrite_initialize_block_local_data): Remove, no longer used.
5056         (rewrite_initialize_block): Mark parameters as unused as needed.
5057         Change references to the block local block_defs to be block_defs_stack.
5058         Push a marker onto the block_defs_stack.
5059         (ssa_rewrite_initialize_block): Similarly.
5060         (rewrite_stmt, ssa_rewrite_stmt): Similarly.
5061         (ssa_register_new_def): No longer needs varray argument.  Use
5062         block_defs_stack instead.  No longer handle possibly null block_defs
5063         varray.  Reverse order of items we push on the stack to make it
5064         easier to identify our marker.
5065         (register_new_def): No longer handle possibly null block_defs
5066         varray.
5067         (rewrite_finalize_block): Revamp to look for markers in the global
5068         block_defs_stack varray rather than wiping a block local varray.
5069         Mark arguments as unused as needed.
5070         (ssa_rewrite_finalize_block): Similarly.
5071         (rewrite_into_ssa): Update initialization of dom walker structure
5072         to reflect that we don't need block local data anymore.  Initialize
5073         the block_defs_stack varray.
5074         (rewrite_ssa_into_ssa): Similarly.
5075         * tree-ssa-dom.c (block_defs_stack): New toplevel varray.
5076         (struct dom_walk_data): Kill block_defs field.
5077         (tree_ssa_dominator_optimize): Initialize block_defs_stack.
5078         (thread_across_edge): Use the global block_defs_stack instead of
5079         the old block_defs varray.
5080         (dom_opt_initialize_block_local_data): Update now that we don't have
5081         block_defs field to check anymore.
5082         (dom_opt_initialize_block): Push a marker onto block_defs_stack.
5083         (restore_currdefs_to_original_value): Use the new block_defs_stack
5084         instead of a block local varray.
5085         (dom_opt_finalize_block): Similarly.
5086         (record_equivalencs_from_phis): Similarly.
5087         (optimize_stmt, register_definitions_for_stmt): Similarly.
5088
5089 2004-09-16  Andrew MacLeod  <amacleod@redhat.com>
5090
5091         PR tree-optimization/17517
5092         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5093         coalesce same-root variables without checking for abnormal PHI usage.
5094
5095 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
5096
5097         * cfgloop.h (duplicate_loop):  Add prototype.
5098         * cfgloopmanip.c (duplicate_loop): Make non-static.
5099         * lambda-code.c (perfect_nestify): Factor out test whether
5100         we can handle this loop into separate function.
5101         Call it.
5102         (can_convert_to_perfect_nest): New function.
5103         (replace_uses_of_x_with_y): Add modify_stmt call.
5104         * tree-loop-linear.c (linear_transform_loops): Call
5105         rewrite_into_loop_closed_ssa and free_df.
5106
5107 2004-09-16  Daniel Berlin  <dberlin@dberlin.org>
5108
5109         * lambda-code.c (invariant_in_loop): is_gimple_min_invariant is
5110         loop invariant as well.
5111         (perfect_nestify): new function.
5112         (gcc_loop_to_lambda_loop): New parameters to track lower bounds,
5113         upper bounds, and steps.
5114         Set outerinductionvar properly.
5115         (gcc_loopnest_to_lambda_loopnest): Add loops and need_perfect
5116         parameters.
5117         Return NULL if we need a perfect loop and can't make one.
5118         (lambda_loopnest_to_gcc_loopnest): Correct algorithm.
5119         (not_interesting_stmt): New function.
5120         (phi_loop_edge_uses_def): Ditto.
5121         (stmt_uses_phi_result): Ditto.
5122         (stmt_is_bumper_for_loop): Ditto.
5123         (perfect_nest_p): Ditto.
5124         (nestify_update_pending_stmts): Ditto.
5125         (replace_uses_of_x_with_y): Ditto.
5126         (stmt_uses_op): Ditto.
5127         (perfect_nestify): Ditto.
5128         * lambda-mat.c (lambda_matrix_id_p): New function.
5129         * lambda-trans.c (lambda_trans_matrix_id_p): Ditto.
5130         * lambda.h: Update prototypes.
5131         * tree-loop-linear (linear_transform_loop): Use new
5132         perfect_nest_p. Detect and ignore identity transform.
5133         * tree-ssa-loop.c (pass_linear_transform): Use TODO_write_loop_closed.
5134
5135 2004-09-16  Sebastian Pop  <pop@cri.ensmp.fr>
5136
5137         * tree-loop-linear.c (gather_interchange_stats): Add more comments.
5138         Gather also strides of accessed data.  Pass in the data references
5139         array.
5140         (try_interchange_loops): Add a new heuristic for handling the temporal
5141         locality.  Pass in the data references array.
5142         (linear_transform_loops): Pass the data references array to
5143         try_interchange_loops.
5144
5145 2004-09-16  Kazu Hirata  <kazu@cs.umass.edu>
5146
5147         * doc/invoke.texi: Fix typos.  Follow spelling conventions.
5148
5149 2004-09-16  Nathan Sidwell  <nathan@codesourcery.com>
5150
5151         * doc/c-tree.texi (Classes): Remove index entries for
5152         TREE_VIA_{PUBLIC,PROTECTED,PRIVATE}.
5153
5154 2004-09-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5155
5156         * fold-const.c (fold): Fold difference of addresses.
5157         (ptr_difference_const): Moved from tree-ssa-loop-ivopts, based on
5158         get_inner_reference.
5159         * tree-ssa-loop-ivopts.c (peel_address): Removed.
5160         (ptr_difference_const): Moved to fold-const.c.
5161         (split_address_cost): Use get_inner_reference instead of peel_address.
5162         (ptr_difference_cost): Change type of diff to HOST_WIDE_INT.
5163         * tree.h (ptr_difference_const): Export.
5164
5165         * tree-ssa-loop-ivopts.c (dump_iv, dump_use, dump_cand): Add induction
5166         variable type to the dump.  Fix indentation.
5167         (idx_find_step): Handle nonconstant array_ref_element_size and
5168         array_ref_low_bound.
5169         (idx_record_use): Handle array_ref_element_size and
5170         array_ref_low_bound.
5171         (find_interesting_uses_stmt): Handle memory = nontrivial_expression
5172         statements correctly.
5173         (get_computation_at, iv_value): Do not unshare expressions here.
5174         (rewrite_use_outer): Unshare the expression before it is emitted
5175         to code.
5176         * tree-ssa-loop-niter.c (unsigned_type_for, signed_type_for):
5177         Moved to tree.c.
5178         * tree.c (unsigned_type_for, signed_type_for): Moved from
5179         tree-ssa-loop-niter.c.  Use langhooks.
5180         * tree.h (signed_type_for): Export.
5181
5182 2004-09-16  David Edelsohn  <edelsohn@gnu.org>
5183
5184         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section): Update
5185         prototype.
5186
5187 2004-09-15  Andrew Pinski  <pinskia@physics.uc.edu>
5188
5189         PR target/11572
5190         * c-incpath.h (target_c_incpath_s): Add extra_pre_includes.
5191         Add two parameters to extra_includes.
5192         (C_INCPATH_INIT): Remove.
5193         * c-incpath.c (register_include_chains): Call extra_pre_includes
5194         before adding the standard include directory.
5195         Update call to extra_includes.
5196         (!defined TARGET_EXTRA_INCLUDES): Update
5197         hook_void_charptr_charptr_int and add !define
5198         TARGET_EXTRA_PRE_INCLUDES.
5199         (!define TARGET_EXTRA_INCLUDES): Define as
5200         hook_void_charptr_charptr_int.
5201         (!define TARGET_EXTRA_PRE_INCLUDES): Likewise.
5202         (target_c_incpath): Always declare.
5203         * fixinclude.c (defined TARGET_EXTRA_INCLUDES): Declare a
5204         empty function.
5205         (define TARGET_EXTRA_PRE_INCLUDES): Likewise.
5206         * config/darwin.h: (darwin_register_frameworks): Update for
5207         the two new parameters.
5208         (darwin_register_objc_includes): Add prototype.
5209         (TARGET_EXTRA_PRE_INCLUDES): Define.
5210         * config/darwin-c.c (darwin_register_objc_includes): New function.
5211         (darwin_register_frameworks): Update for the two new parameters.
5212         (target_c_incpath): Remove.
5213         * config/t-darwin (darwin-c.o): Add $(PREPROCESSOR_DEFINES) to
5214         the compile line.
5215         * doc/tm.texi (TARGET_EXTRA_INCLUDES): Document the two new
5216         parameters.
5217         (TARGET_EXTRA_PRE_INCLUDES): Document.
5218
5219         * gcc.c (spec_function): Add replace-outfile.
5220         (replace_outfile_spec_function): New function.
5221         * config/darwin.h (LINK_SPEC): Add replace
5222         -lobjc with -lobjc-gnu if -fgnu-runtime is
5223         supplied.
5224         * invoke.texi (replace-outfile): Document.
5225
5226 2004-09-13  Jan Hubicka  <jh@suse.cz>
5227
5228         * predict.c (expr_expected_value, strip_builtin_expect): New function.
5229         (tree_predict_by_opcode): Use it.
5230         (tree_estimate_probability): Add, for now disabled,
5231         strip_builtin_expect call.
5232
5233 2004-09-15  James E Wilson  <wilson@specifixinc.com>
5234
5235         PR target/17455
5236         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Return false
5237         if current_function_decl is a sibcall.
5238
5239 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
5240
5241         * varasm.c (default_function_rdodata_section): Make sure to pass
5242         along a decl for a link-once section.
5243
5244 2004-09-15  Richard Henderson  <rth@redhat.com>
5245
5246         * tree-ssa-operands.c (add_call_clobber_ops): Fix unused variable
5247         warning with code disable.  Fix formatting.
5248
5249 2004-09-15  Steven Bosscher  <stevenb@suse.de>
5250
5251         * Makefile.in (tree-ssa-dom.o): Depend on tree-ssa-propagate.h.
5252         * tree-ssa-dom.c (cprop_into_stmt): Recompute TREE_INVARIANT
5253         after propagating into an ADDR_EXPR.
5254
5255 2004-09-15  Andrew Pinski  <apinski@apple.com>
5256
5257         PR rtl-opt/17427
5258         * gcse.c (process_insert_insn): insn_invalid_p has side effects.
5259         Move it out of gcc_assert.
5260
5261 2004-09-15  Joseph S. Myers  <jsm@polyomino.org.uk>
5262
5263         * attribs.c, builtins.c, c-format.c, c-pch.c, coverage.c,
5264         except.c, fold-const.c, function.c, langhooks.c, params.c,
5265         reload.c, reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
5266         tree-dump.c, tree-mudflap.c, tree.c, varasm.c: Use %<, %> and %q
5267         for quoting in diagnostics going through pretty-print.c.  Use ''
5268         for quoting in other diagnostic text.
5269         * langhooks.c: Include intl.h.  Mark text locating diagnostics for
5270         translation.
5271         * Makefile.in (langhooks.o): Update dependencies.
5272         * pretty-print.h (pp_printf): Mark as accepting GCC diagnostic
5273         formats.
5274
5275 2004-09-15  Mark Mitchell  <mark@codesourcery.com>
5276
5277         * configure.ac: Check for COMDAT support.  Robustify check for
5278         SHF_MERGE support.
5279         * configure: Regenerated.
5280         * config.in: Likewise.
5281         * langhooks-def.h (lhd_comdat_group): New function.
5282         (LANG_HOOKS_COMDAT_GROUP): New macro.
5283         (LANG_HOOKS_DECLS): Use it.
5284         * langhooks.c (lhd_comdat_group): Define.
5285         * langhooks.h (lang_hooks_for_decls): Add comdat_group.
5286         * output.h (named_section_flags): Make it a macro.
5287         (named_section_real): New function.
5288         (default_no_named_section): Add decl parameter.
5289         (default_elf_asm_named_section): Likewise.
5290         (default_coff_asm_named_section): Likewise.
5291         (default_pe_asm_named_section): Likewise.
5292         * target.h (gcc_target): Adjust type of named_section.
5293         * varasm.c (named_section_flags): Rename to named_section_real.
5294         Add decl parameter.
5295         (default_no_named_section): Add decl parameter.
5296         (default_elf_asm_named_section): Use COMDAT, if available.  Deal
5297         with the case that ASM_COMMENT_START is "@".
5298         (default_coff_asm_named_section): Add decl parameter.
5299         (default_pe_asm_named_section): Likewise.
5300         * config/alpha/alpha.c (vms_asm_named_section): Add decl
5301         parameter.
5302         (unicosmk_asm_named_section): Likewise.
5303         * config/arm/arm.c (arm_elf_asm_named_section): Remove.
5304         * config/arm/elf.h (TARGET_ASM_NAMED_SECTION): Likewise.
5305         * config/c4x/c4x.c (c4x_asm_named_section): Add decl parameter.
5306         * config/cris/cris-protos.h (cris_target_asm_named_section):
5307         Likewise.
5308         * config/cris/cris.c (cris_target_asm_named_section):
5309         Likewise.
5310         * config/darwin/darwin-protos.h (darwin_asm_named_section):
5311         Likewise.
5312         * config/darwin/darwin.c (darwin_asm_named_section): Likewise.
5313         * config/h8300/h8300.c (h8300_asm_named_section): Likewise.
5314         * config/i386/i386-protos.h (i386_pe_asm_named_section):
5315         Likewise.
5316         * config/i386/winnt.c (i386_pe_asm_named_section): Likewise.
5317         * config/m68k/m68k.c (m68k_coff_asm_named_section): Likewise.
5318         * config/mcore/mcore.c (mcore_asm_named_section): Likewise.
5319         * config/rs6000/rs6000.c (rs6000_xcoff_asm_named_section):
5320         Likewise.
5321         * config/sparc/sparc.c (sparce_elf_asm_named_section): Likewise.
5322         * cp/cp-lang.h (LANG_HOOKS_COMDAT_GROUP): Define.
5323         * cp/cp-tree.h (cxx_comdat_group): Declare.
5324         * cp/decl.c (cxx_comdat_group): New function.
5325
5326 2004-09-15  Jan Hubicka  <jh@suse.cz>
5327
5328         * tree-ssa.c (verify_flow_sensitive_alias_info): Do not walk dead nodes.
5329         * tree-tailcall.c (eliminate_tail_call): Release SSA name.
5330
5331         * tree-cfg.c (remove_bb): Release SSA defs.
5332
5333 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
5334
5335         * doc/tm.texi: Follow spelling conventions.
5336
5337 2004-09-15  Kazu Hirata  <kazu@cs.umass.edu>
5338
5339         * tree-ssa-dom.c: Fix comment typos.
5340
5341 2004-09-15  Alan Modra  <amodra@bigpond.net.au>
5342
5343         * config/rs6000/linux-unwind.h (struct gcc_pt_regs): Extend to
5344         include ccr.
5345         (ppc_fallback_frame_state): Save location of CR.
5346
5347 2004-09-15  Jakub Jelinek  <jakub@redhat.com>
5348
5349         * expr.c (string_constant): Handle also read-only variables
5350         initialized to string literals.
5351
5352         * builtins.c (expand_builtin_memmove): Optimize memmove (x, y, 1)
5353         into memcpy (x, y, 1) if memcpy can be expanded inline.
5354
5355 2004-09-15  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5356
5357         PR tree-optimization/17468
5358         * tree-ssa.c (verify_use, verify_phi_args, verify_ssa):  Verify that
5359         definition inside a block precede uses.
5360         * tree-tailcall.c (adjust_return_value): Emit statements in the
5361         correct order.
5362
5363 2004-09-15  Richard Sandiford  <rsandifo@redhat.com>
5364
5365         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Delete.
5366
5367 2004-09-15  Eric Botcazou  <ebotcazou@libertysurf.fr>
5368
5369         * doc/install.texi (sparc-sun-solaris2*): Properly format warning.
5370
5371 2004-09-14 Jeff Law  <law@redhat.com>
5372
5373         * tree-ssa-dom.c (avail_exprs_stack): New global varray.
5374         (struct dom_walk_block_data): Remove avail_exprs member.
5375         (tree_ssa_dominator_optimize): Initialize avail_exprs_stack.
5376         (lookup_avail_expr): No longer need to pass in address of
5377         the block local available exprs stack.  All callers changed.
5378         (simplify_cond_and_lookup_avail_expr): Similarly.
5379         (simplify_switch_and_lookup_avail_expr): Similarly.
5380         (get_eq_expr_value, record_cond): Likewise.
5381         (record_dominating_conditions): Likewise.
5382         (update_rhs_and_lookup_avail_expr): Likewise.
5383         (record_equivalences_from_stmt): Likewise.
5384         (dom_opt_initialize_block_local_data): No longer test state of
5385         block local avail_exprs.
5386         (dom_opt_initialize_block): Mark unwind point in the global
5387         avail_expr stack.
5388         (remove_expressions_from_table): Update to unwind to the
5389         most recent unwind marker in the global avail_expr stack.
5390         All callers changed.
5391         (dom_opt_finalize_block): Mark unwind point in the global
5392         avail_expr stack as needed.
5393         (record_cond): Push elements into the global avail_exprs stack.
5394
5395         * tree-dfa.c (free_df_for_stmt): No longer static.
5396         (free_df): Update comments.
5397         * tree-flow.h (free_df_for_stmt): Prototype.
5398         * tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt.  Also
5399         call release_defs.
5400
5401 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
5402
5403         PR tree-optimization/17252
5404         * tree-ssa-alias.c (may_alias_p): Don't assume that a
5405         pointer may not point to itself when using relaxed
5406         aliasing rules.
5407
5408 2004-09-14  Richard Henderson  <rth@redhat.com>
5409
5410         PR middle-end/17397
5411         * gimplify.c (gimplify_addr_expr): Don't inadvertently change types
5412         while folding <ADDR_EXPR <INDIRECT_REF X>>.
5413
5414 2004-09-14  Andrew Pinski  <apinski@apple.com>
5415
5416         * tree-ssa-copy.c (may_propagate_copy): Don't check the aliasing
5417         sets of the pointers but the aliasing sets of what they point to.
5418
5419 2004-09-14  Roger Sayle  <roger@eyesopen.com>
5420
5421         PR rtl-optimization/9771
5422         * regclass.c (CALL_REALLY_USED_REGNO_P): New macro to eliminate
5423         conditional compilation in init_reg_sets_1.
5424         (init_reg_sets_1): Let global_regs[i] take priority over the frame
5425         (but not stack) pointer exceptions to regs_invalidated_by_call.
5426         (globalize_reg): Globalizing a fixed register may need to update
5427         regs_invalidated_by_call.
5428
5429 2004-09-14  Diego Novillo  <dnovillo@redhat.com>
5430
5431         PR tree-optimization/15262
5432         * tree-dfa.c (dump_variable): Also print the type of the
5433         variable.
5434         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If two
5435         memory tags are of conflicting alias sets but have no aliased
5436         symbols in common, add one tag to the alias set of the other.
5437         (setup_pointers_and_addressables): Remove hack to deal with
5438         programs with no aliased symbols.
5439         (may_alias_p): Don't special case aggregate types.
5440
5441 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
5442
5443         PR c/15498
5444         * doc/invoke.texi (Environment Variables): Correct example locale.
5445
5446 2004-09-14  Jan Hubicka  <jh@suse.cz>
5447
5448         * cfg.c (expunge_block): Revert previous change adding ggc_free call.
5449
5450 2004-09-14  Mark Mitchell  <mark@codesourcery.com>
5451
5452         * config.gcc: Do not build a shared libgcc for arm-none-eabi.
5453
5454 2004-09-14  Joseph S. Myers  <jsm@polyomino.org.uk>
5455
5456         * c-tree.h (struct c_declspecs): Add const_p, volatile_p and
5457         restrict_p.
5458         (struct c_declarator): Change u.array.quals and pointer_quals to
5459         int.  Add u.array.attrs.
5460         (quals_from_declspecs): New.
5461         * c-decl.c (quals_from_declspecs): New.
5462         (shadow_tag_warned): Give more specific message for useless type
5463         qualifiers.
5464         (build_array_declarator, set_array_declarator_inner,
5465         grokdeclarator, make_pointer_declarator, build_null_declspecs,
5466         declspecs_add_qual): Update for changed structures.
5467
5468 2004-09-14  Jeff Law  <law@redhat.com>
5469
5470         * tree-ssa-dom.c (stmts_to_rescan): Move from a block-local
5471         to a global varray.
5472         (tree_ssa_dominator_optimize): Allocate stmts_to_rescan.
5473         (dom_opt_initialize_block_local_data): No longer test state
5474         of stmts_to_rescan.
5475         (dom_opt_finalize_block): Update due to change in scope of
5476         stmts_to_rescan.
5477         (optimize_stmt): Similarly.
5478
5479 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
5480
5481         * cgraph.h, cgraphunit.c, fold-const.c, lambda-mat.c,
5482         lambda.h, profile.c, tree-optimize.c, tree-sra.c, vec.h: Fix
5483         comment typos.  Follow spelling conventions.
5484
5485 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
5486
5487         * config/darwin-c.c, config/alpha/alpha.c, config/i386/i386.c,
5488         config/i386/predicates.md, config/sparc/sparc.c: Follow
5489         spelling conventions.
5490
5491 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5492             Steven Bosscher  <stevenb@suse.de>
5493
5494         * Makefile.in (loop-unroll.o): Add HASHTAB_H and RECOG_H dependency.
5495         * basic-block.h (struct reorder_block_def): Add copy_number field.
5496         * cfgloop.h (biv_p): Declare.
5497         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set copy_number.
5498         * common.opt (fsplit-ivs-in-unroller): New flag.
5499         * loop-iv.c (biv_p): New function.
5500         * loop-unroll.c: Include hashtab.h and recog.h.
5501         (struct iv_to_split, struct split_ivs_info): New types.
5502         (analyze_ivs_to_split, si_info_start_duplication, split_ivs_in_copies,
5503         free_si_info, si_info_hash, si_info_eq, analyze_iv_to_split_insn,
5504         determine_split_iv_delta, get_ivts_expr, allocate_basic_variable,
5505         insert_base_initialization, split_iv): New functions.
5506         (peel_loop_completely, unroll_loop_constant_iterations,
5507         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
5508         Use them.
5509         * doc/invoke.texi (-fsplit-ivs-in-unroller): Document.
5510
5511 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5512
5513         * tree-cfg.c (thread_jumps): Update dominators correctly in
5514         case destination of threaded edge dominates its source.
5515
5516 2004-09-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5517
5518         * unroll.c: Removed.
5519         * loop.h: Removed.
5520         * Makefile.in (LOOP_H, unroll.o): Removed.
5521         (toplev.o, passes.o, stmt.o, integrate.o, loop.o): Remove LOOP_H
5522         dependency.
5523         * alias.c (init_alias_analysis): Remove flag_old_unroll_loops
5524         reference.
5525         * cfgloop.h (LOOP_PREFETCH, loop_optimize): Moved from loop.h.
5526         * common.opt (fold-unroll-loops, fold-unroll-all-loops): Removed.
5527         * loop.c: Do not include loop.h.
5528         (LOOP_INFO, LOOP_MOVABLES, LOOP_REGS, LOOP_IVS, INSN_LUID,
5529         REGNO_FIRST_LUID, REGNO_LAST_LUID, enum g_types, struct induction,
5530         struct iv_class, enum iv_mode, struct iv, REG_IV_TYPE, REG_IV_INFO,
5531         REG_IV_CLASS, struct loop_ivs, struct loop_mem_info, struct loop_reg,
5532         struct loop_regs, struct loop_movables, struct loop_info): Moved
5533         from loop.h.
5534         (back_branch_in_range_p, fold_rtx_mult_add, biv_total_increment,
5535         reg_dead_after_loop, final_biv_value, loop_find_equiv_value,
5536         find_common_reg_term, loop_iterations, final_giv_value): Moved
5537         from unroll.c.
5538         (uid_luid, uid_loop, max_uid_for_loop, max_reg_before_loop,
5539         loop_dump_stream, for_each_insn_in_loop, express_from,
5540         extend_value_for_giv, loop_iv_add_mult_emit_before,
5541         loop_iv_add_mult_sink, loop_iv_add_mult_hoist,
5542         loop_insn_first_p, get_condition_for_loop,
5543         loop_insn_emit_before, loop_insn_hoist,
5544         loop_insn_sink): Made static.
5545         (loop_invariant_p): Made static.  Removed flag_old_unroll_loops
5546         reference.
5547         (strength_reduce): Do not call unroller.
5548         (record_giv): Do not initialize unrolled field.
5549         (prescan_loop): Do not set loop_info->preconditioned.
5550         * passes.c: Do not include loop.h.
5551         (rest_of_handle_loop_optimize): Do not call unroller.
5552         * predict.c: Do not include loop.h.
5553         * rtl.h (NOTE_PRECONDITIONED): Removed.
5554         * stmt.c: Do not include loop.h.
5555         * toplev.c: Do not include loop.h.
5556         (process_options): Do not handle flag_old_unroll_loops.
5557
5558         * doc/invoke.texi (fold-unroll-loops, fold-unroll-all-loops):
5559         Documentation removed.
5560         * doc/passes.texi (unroll.c, loop.h): Documentation removed.
5561
5562 2004-09-14  Nathan Sidwell  <nathan@codesourcery.com>
5563
5564         * Makefile.in (STAGE1_CHECKING): New variable.
5565         (stage1_build): Use it.
5566         * tree-ssa.c (verify_ssa): Preserve state of dominance
5567         information.
5568
5569 2004-09-14  Uros Bizjak  <uros@kss-loka.si>
5570
5571         * config/i386/i386.c (output_fp_compare): Add generation
5572         of ftst instruction.
5573         * config/i386/i386.md (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf):
5574         Use output_fp_compare () function.
5575         (cmpfp_i, *cmpfp_i_sse, *cmpfp_i_sse_only): Fix insn constraint.
5576         (fix_truncdi_memory): Remove operands[5] copy.
5577
5578 2004-09-14  Kazu Hirata  <kazu@cs.umass.edu>
5579
5580         * config/m32r/m32r.md, config/m68k/m68kelf.h,
5581         config/mcore/mcore.md, config/rs6000/linux64.h,
5582         config/rs6000/rs6000.c, config/sparc/sparc.c: Fix comment
5583         typos.
5584
5585 2004-09-13  James E Wilson  <wilson@specifixinc.com>
5586
5587         * Makefile.in (GEN_PROTOS_OBJS): Add $(BUILD_ERRORS).
5588         * gen-protos.c: Include errors.h.
5589         (progname): Delete.
5590
5591 2004-09-14  Jan Hubicka  <jh@suse.cz>
5592
5593         * Makefile.in (predict.o): Depend on tree-scalar-evolution.h
5594         * predict.c: Include tree-scalar-evolution.h and cfgloop.h
5595         (predict_loops): Use number_of_iterations_exit to predict
5596         number of iterations on trees.
5597
5598 2004-09-13  Dale Johannesen  <dalej@apple.com>
5599
5600         PR 17408
5601         PR 17409
5602         * c-decl.c (start_decl): Repair TREE_STATIC for initialized
5603         objects declared extern.
5604
5605 2004-09-14  Paul Brook  <paul@codesourcery.com>
5606
5607         * config/arm/arm.c (arm_expand_prologue): Make args_to_push a
5608         HOST_WIDE_INT.
5609
5610 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
5611
5612         * fold-const.c (fold_checksum_tree): Ignore TYPE_CACHED_VALUES.
5613         Only use TYPE_BINFO for aggregates.
5614
5615 2004-09-13  Daniel Jacobowitz  <dan@debian.org>
5616
5617         * expmed.c (synth_mult): Initialize latency.  Check cost before
5618         checking ops count.
5619
5620 2004-09-13  Kenneth Zadeck  <Kenneth.Zadeck@NaturalBridge.com>
5621
5622         * tree-ssa-operands.c (get_call_expr_operands): Added parm to
5623         add_call_clobber_ops and add_call_read_ops.
5624         (add_call_clobber_ops, add_call_read_ops): Added code to reduce
5625         the number of vdefs and vuses inserted based on analysis of global
5626         variables across calls.  * tree-dfa.c (find_referenced_vars):
5627         Needed to reset static var maps before each function is compiled.
5628         * cgraphunit.c:
5629         (static_vars_to_consider_by_tree,static_vars_to_consider_by_uid,
5630         static_vars_info,functions_to_static_vars_info,module_statics_escape,
5631         all_module_statics,searchc_env,dfs_info): New fields to support
5632         analysis of static global variables.
5633         (print_order, convert_UIDs_in_bitmap, new_static_vars_info,
5634         cgraph_reset_static_var_maps, get_global_static_vars_info,
5635         get_global_statics_not_read, get_global_statics_not_written,
5636         searchc, cgraph_reduced_inorder, has_proper_scope_for_analysis,
5637         check_rhs_var, check_lhs_var, get_asm_expr_operands,
5638         process_call_for_static_vars, scan_for_static_refs,
5639         cgraph_characterize_statics_local, cgraph_get_static_name_by_uid,
5640         clear_static_vars_maps, cgraph_propagate_bits,
5641         cgraph_characterize_statics): New. Functions to support analysis
5642         of static global variables.
5643         (cgraph_mark_local_and_external_functions): Renamed from:
5644         (cgraph_mark_local_functions)
5645         (cgraph_expand_all_functions): Remove call to
5646         cgraph_mark_local_and_external_functions.
5647         (cgraph_optimize): Added driver to analyze static variables whose
5648         scope is within the compilation unit.  * cgraph.h (struct
5649         cgraph_local_info, GTY): Added statics_read, statics_written,
5650         local, calls_read_all, calls_write_all, for_functions_valid.
5651         (struct cgraph_node): Added next_cycle.  * cgraph.c
5652         (dump_cgraph_node): Added print routines for new fields.  *
5653         makefile.in: macroized cgraph.h, added cgraphunit.c to the ggc
5654         list.
5655
5656 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
5657
5658         * c-decl.c (grokdeclarator): Correct comments about where storage
5659         class specifiers are rejected by grammar and add corresponding
5660         asserts.  Diagnose typedefs and parameters declared inline.
5661         Change warning for inline main to a pedwarn.  Only diagnose inline
5662         main if hosted.
5663         (declspecs_add_scspec): Allow duplicate "inline".
5664
5665 2004-09-13  Steve Ellcey  <sje@cup.hp.com>
5666
5667         * config/ia64/ia64.c (ia64_scalar_mode_supported_p): New.
5668         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
5669
5670 2004-09-13  Richard Henderson  <rth@redhat.com>
5671
5672         PR 17436
5673         * tree.h (TYPE_CONTAINS_PLACEHOLDER_INTERNAL): New.
5674         (tree_type): Replace spare with contains_placeholder_bits.
5675         (type_contains_placeholder_1): Rename from type_contains_placeholder_p,
5676         make static.  Remove seen_types list.
5677         (type_contains_placeholder_p): New.
5678
5679 2004-09-13  James E Wilson  <wilson@specifixinc.com>
5680
5681         * config/mips/mips.c (CODE_FOR_mips_sqrt_ps): New.
5682         (sb1_bdesc, bdesc_map, bdesc_arrays): New.
5683         (mips_expand_builtin): Add SB-1 support.  Use bdesc_map and
5684         bdesc_arrays instead of mips_bdesc.
5685         (mips_init_builtins): Likewise.
5686         * config/mips/mips.h (TARGET_SB1): New.
5687         (HAVE_SQRT_P): Delete.
5688         * config/mips/mips.md (divide_condition): Support V2SF.
5689         (sqrt_condition, recip_condition): New.
5690         (div<mode>3): Use ANYF instead of SCALARF.
5691         (*div<mode>3): Use ANYF instead of SCALARF.  Use UNITMODE instead of
5692         MODE.
5693         (*recip<mode>3, *rsqrt<mode>a, *rsqrt<mode>b): Use recip_condition
5694         instead of ISA_HAS_FP4.  Use ANYF instead of SCALARF.  Use UNITMODE
5695         instead of MODE.
5696         (sqrt<mode>2): Use sqrt_condition instead of HAVE_SQRT_P.  Use ANYF
5697         instead of SCALARF.  Use UNITMODE instead of MODE.
5698
5699 2004-09-13  Zack Weinberg  <zack@codesourcery.com>
5700
5701         * config.in: Regenerate after removal of libbanshee.
5702
5703 2004-09-13  Andrew MacLeod  <amacleod@redhat.com>
5704
5705         PR tree-optimization/17400
5706         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
5707         coalesce partitions when one occurs in an abnormal PHI.
5708
5709 2004-09-13  Andrew Pinski  <apinski@apple.com>
5710
5711         * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Change variable size's
5712         name to _new_size.
5713
5714 2004-09-13  Richard Henderson  <rth@redhat.com>
5715
5716         PR inline-asm/6806
5717         * cselib.c (cselib_invalidate_rtx): Export.  Remove unused args.
5718         (cselib_invalidate_rtx_note_stores): New.
5719         (cselib_record_sets, cselib_process_insn): Update to match.
5720         * cselib.h (cselib_invalidate_rtx): Declare.
5721         * postreload.c (reload_cse_simplify): Invalidate asm clobbers.
5722
5723 2004-09-13  Richard Henderson  <rth@redhat.com>
5724
5725         PR tree-opt/10528
5726         * tree-inline.c (copy_body_r): Recompute bits for ADDR_EXPR,
5727         after copying its argument.
5728
5729 2004-09-13  Joseph S. Myers  <jsm@polyomino.org.uk>
5730
5731         * c-common.c, c-decl.c, c-lex.c, c-objc-common.c, c-opts.c,
5732         c-parse.in, c-pragma.c, c-typeck.c: Use %q, %< and %> for quoting
5733         in diagnostics.  Use %' for English apostrophes.
5734         * c-tree.h (ATTRIBUTE_GCC_CDIAG): Define.
5735         (pedwarn_c90, pedwarn_c99): Use it.
5736         * c-decl.c (lookup_label): Quote label name in diagnostic.
5737         * c-parse.in (yyprint): Use ' instead of ` for left quote.
5738         * c-typeck.c (warn_for_assignment): Likewise.
5739
5740 2004-09-13  Jan Hubicka  <jh@suse.cz>
5741
5742         * i386.c (x86_schedule): New global variable.
5743         (override_options): Disable scheduling when not supported.
5744         * i386.h (x86_schedule): Declare.
5745         (TARGET_SCHEDULE): New macro.
5746
5747 2004-09-12  Richard Henderson  <rth@redhat.com>
5748
5749         PR c++/16254
5750         * fold-const.c (fold) <case CLEANUP_POINT_EXPR>: Remove.
5751         * tree.c, tree.h (has_cleanups): Remove.
5752
5753 2004-09-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5754
5755         * tree-ssa-loop-manip.c (split_loop_exit_edge): Handle non-ssaname
5756         arguments of the phi nodes correctly.
5757
5758 2004-09-12  Jan Hubicka  <jh@suse.cz>
5759
5760         * ggc-common.c (cmp_statistics): Fix sorting.
5761
5762 2004-09-12  David Edelsohn  <edelsohn@gnu.org>
5763
5764         PR target/16795
5765         * expmed.c (expand_divmod): If cheap power of 2 divide is
5766         available, use it for negative constant as well.
5767
5768 2004-09-12  Andrew Pinski  <apinski@apple.com>
5769
5770         * darwin.h (ASM_OUTPUT_COMMON): Make sure we do not have a
5771         size of 0.
5772
5773         * tree-chrec.c (initialize_scalar_evolutions_analyzer): Remove.
5774
5775 2004-09-12  Richard Henderson  <rth@redhat.com>
5776
5777         * config/i386/i386.c (ix86_split_ashldi): Special case op1 as one
5778         or minus one.
5779         (ix86_split_ashrdi, ix86_split_lshrdi): Clean up conditions for
5780         post-reload, and scratch NULL.
5781         * config/i386/i386.md (testqi_1): Use FLAGS_REG name.
5782         (x86_shift_adj_2): Use ix86_expand_clear.
5783         (ashldi3): Remove CMOVE expansion difference.
5784         (ashldi3_1): Remove.
5785         (*ashldi3_1): Rename from *ashldi3_2.  Use reg_or_pm1_operand and
5786         add constraints for immediates.  New peephole for split-with-temp.
5787         Run splitter after peep2 pass.
5788         (ashrdi3, ashrdi3_1, ashrdi3_2): Similarly.
5789         (lshrdi3, lshrdi3_1, lshrdi3_2): Similarly.
5790         (setcc_2): Rename with *.
5791         * config/i386/predicates.md (reg_or_pm1_operand): New.
5792         (ashldi_input_operand): New.
5793
5794 2004-09-12  Richard Henderson  <rth@redhat.com
5795
5796         * print-rtl.c (print_decl_name): New.
5797         (print_mem_expr): Use it.
5798
5799 2004-09-12  Richard Henderson  <rth@redhat.com
5800
5801         PR 17186, part deux
5802         * except.c (sjlj_emit_function_exit): Fix logic locating
5803         sjlj_exit_after in final block.
5804
5805 2004-09-12  Toon Moene  <toon@moene.indiv.nluug.nl>
5806
5807         * common.opt: Remove flags -fmove-all-movables and
5808         -freduce-all-givs.
5809         * loop-invariant.c (find_invariants_to_move):
5810         Remove all uses of flag_move_all_movables.
5811         * loop.c (move_movables): Remove all uses of
5812         flag_move_all_movables.
5813         (strength_reduce): Remove all uses of
5814         flag_reduce_all_givs.
5815         * doc/invoke.texi: Remove documentation of flags
5816         -fremove-all-movables and -freduce-all-givs.
5817
5818 2004-09-11  Roger Sayle  <roger@eyesopen.com>
5819
5820         PR middle-end/17411
5821         * tree-sra.c (generate_element_zero): Revert recent build_int_cst
5822         change. elt->type may be a floating point type, so use fold_convert.
5823
5824 2004-09-11  Geoffrey Keating  <geoffk@apple.com>
5825
5826         * config/darwin.c (machopic_validate_stub_or_non_lazy_ptr): Mark
5827         the thing referenced as used, not the stub itself.
5828
5829 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5830
5831         * c-tree.h (enum c_storage_class): New.
5832         (struct c_declspecs): Add storage_class, inline_p and thread_p.
5833         * c-decl.c (shadow_tag_warned): Give errors for "inline" in empty
5834         declarations and "auto" or "register" in file scope empty
5835         declarations.  Give more specific warnings for other cases of
5836         storage class specifiers in empty declarations.
5837         (grokdeclarator): Update for new structures.  Don't check for
5838         multiple storage classes.  Diagnose file-scope "register" if
5839         pedantic.
5840         (build_null_declspecs): Update.
5841         (declspecs_add_scspec): Update.  Diagnose multiple storage class
5842         specifiers and invalid uses of "__thread".
5843
5844 2004-09-11  Zack Weinberg  <zack@codesourcery.com>
5845
5846         * tree.c (tree_code_size): New function, bulk of code from tree_size.
5847         (tree_size, make_node): Use it.
5848         * tree-ssa-pre.c (init_pre): Use it.
5849         * tree.h: Prototype it.
5850
5851 2004-09-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
5852
5853         * tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
5854         * tree-dfa.c (compute_immediate_uses, add_immediate_use,
5855         redirect_immediate_use): Use PHI_DF.
5856         * tree-flow-inline.h (stmt_ann): Abort on phi nodes.
5857         (bb_for_stmt): Use PHI_BB.
5858         (get_immediate_uses): Use PHI_DF.
5859         * tree-ssa-dse.c (max_stmt_uid): New variable.
5860         (get_stmt_uid): New function.
5861         (dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
5862         node annotations.
5863         * tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
5864         (max_uid): Renamed to max_stmt_uid.
5865         (get_stmt_uid): New function.
5866         (maybe_queue_var, single_reachable_address, determine_lsm): Do not use
5867         phi node annotations.
5868         * tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
5869         * tree.h (PHI_BB, PHI_DF): New accessor functions.
5870         (struct tree_phi_node): Add bb and df fields.
5871
5872 2004-09-11  Richard Henderson  <rth@redhat.com>
5873
5874         PR middle-end/17416
5875         * cfgexpand.c (expand_used_vars_for_block): Fix off-by-one bug
5876         in conflict loop.
5877
5878 2004-09-11  Jan Hubicka  <jh@suse.cz>
5879
5880         * i386.h (MODE_NEEDED): Calls need UNINITIALIZED mode; add comment.
5881         (EMIT_MODE_SET): UNINITIALIZED mode needs no set.
5882         * i386.md (i387_cw): Add 'uninitialized' mode.
5883
5884         * profile.c (BB_TO_GCOV_INDEX): move more to the front.
5885         (output_location): Break out from ....
5886         (branch_prob): ... here; handle gcov output on trees.
5887         * toplev.c (process_options): No longer be sorry about coverage for
5888         trees.
5889
5890 2004-09-11  Steven Bosscher  <stevenb@suse.de>
5891
5892         PR c++/17412
5893         * fold-const.c (fold): Do not try to fold the operand of a
5894         CLEANUP_POINT_EXPR if that operand does itself not have any
5895         operands.
5896
5897         PR middle-end/17417
5898         * langhooks.c (lhd_decl_printable_name): Make sure that this
5899         function is called with is a decl node that has an identifier.
5900         * tree-pretty-print.c (dump_function_name): New function to
5901         wrap PRINT_FUNCTION_NAME and dump_decl_name.
5902         (print_call_name): Use it.
5903
5904 2004-09-11  Mohan Embar  <gnustuff@thisiscool.com>
5905
5906         * ggc-none.c: Include "bconfig.h" if -DGENERATOR_FILE,
5907         "config.h" if not.
5908
5909 2004-09-11  Jakub Jelinek  <jakub@redhat.com>
5910
5911         * tree-ssa-alias.c (collect_points_to_info_r): Handle
5912         pointing to PTR + OFFSET as PTR, not as pointing to PTR or pointing
5913         to OFFSET.
5914
5915 2004-09-11  Richard Henderson  <rth@redhat.com>
5916
5917         * expr.c (expand_expr_addr_expr_1) Rename from expand_expr_addr_expr.
5918         (expand_expr_addr_expr): New function.  Take ADDR_EXPR instead of the
5919         operand of the ADDR_EXPR.
5920         (expand_expr_real_1): Update to match.
5921
5922 2004-09-11  David Edelsohn  <edelsohn@gnu.org>
5923
5924         PR target/17277
5925         * config/rs6000/aix.h (MD_FROB_UPDATE_CONTEXT): Use __64BIT__ to
5926         choose 64-bit version.
5927
5928 2004-09-11  Richard Henderson  <rth@redhat.com>
5929
5930         PR c/17396
5931         * c-typeck.c (build_unary_op): Add legacy offsetof hack.
5932
5933 2004-09-11  Kazu Hirata  <kazu@cs.umass.edu>
5934
5935         * doc/cfg.texi, doc/hostconfig.texi, doc/install.texi,
5936         doc/invoke.texi, doc/md.texi, doc/tm.texi, doc/tree-ssa.texi:
5937         Insert @: after i.e. or e.g.
5938
5939 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
5940
5941         * tree-pretty-print.c (dump_decl_name): Print unnamed decls as
5942         D.xxx rather than <Dxxx>.
5943
5944 2004-09-10  Adam Nemet  <anemet@lnxw.com>
5945
5946         * configure.ac (AC_MSG_CHECKING(what linker to use)):
5947         in_tree_ld_is_elf should be true for LynxOS.
5948         * configure: Regenerate.
5949
5950 2004-09-10  Adam Nemet  <anemet@lnxw.com>
5951
5952         * Makefile.in (all.cross): Add srcextra.
5953
5954 2004-09-10  Roger Sayle  <roger@eyesopen.com>
5955
5956         PR middle-end/17024
5957         * fold-const.c (fold_cond_expr_with_comparison): Handle unordered
5958         floating point comparison operators.  Change aborts to gcc_asserts.
5959
5960 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
5961
5962         * final.c (output_asm_insn): Correct problem with -fverbose-asm.
5963
5964 2004-09-10  James E Wilson  <wilson@specifixinc.com>
5965
5966         * Makefile.in (LIBGCC_DEPS): Delete duplicate stmp-int-hdrs reference.
5967         (stmp-fixproto): Change stmp-int-headers to stmp-int-hdrs in comment.
5968
5969         * convert.c (convert_to_vector): Replace recursive call with
5970         error_mark_node.
5971
5972         * emit-rtl.c (gen_const_vector): Renamed from gen_const_vector_0.
5973         Add integer argument named constant.  Use const_tiny_rtx instead of
5974         CONST0_RTX.
5975         (gen_rtx_CONST_VECTOR): Rewrite to handle checks for both CONST0_RTX
5976         and CONST1_RTX.
5977         (init_emit_once): Fix users of gen_const_vector.  Set CONST1_RTX for
5978         vector types.
5979         * expr.c (const_vector_from_tree): Call gen_rtx_CONST_VECTOR instead
5980         of gen_rtx_raw_CONST_VECTOR.
5981
5982 2004-09-10  Eric Christopher  <echristo@redhat.com>
5983
5984         PR c/16046
5985         * c-parse.in (attribute): Add NULL_TREE for error case
5986         for error recovery.
5987
5988 2004-09-10  Zack Weinberg  <zack@codesourcery.com>
5989
5990         * c-common.h (struct c_fileinfo): Comment moved here from cp-tree.h.
5991         (extract_interface_info): Delete prototype.
5992         * c-decl.c (extract_interface_info): Delete stub.
5993         * c-lex.c (get_fileinfo): Initialize file_info_tree here, if
5994         it's not already been done ...
5995         (init_c_lex): ... not here.
5996         (fe_file_change): Don't call extract_interface_info.
5997
5998 2004-09-11  Joseph S. Myers  <jsm@polyomino.org.uk>
5999
6000         * c-tree.h (struct c_declspecs): Remove typedef_decl.  Add
6001         typedef_p and typedef_signed_p.
6002         * c-decl.c (shadow_tag_warned): Check typedef_p, not typedef_decl.
6003         (grokdeclarator): Don't use typedef_decl for warn_deprecated_use.
6004         Check typedef_p and typedef_signed_p, not typedef_decl.
6005         (grokfield): Check typedef_p, not typedef_decl.
6006         (build_null_declspecs): Initialize typedef_p and typedef_signed_p,
6007         not typedef_decl.
6008         (declspecs_add_type): Set typedef_p and typedef_signed_p, not
6009         typedef_decl.
6010
6011 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6012
6013         * doc/tm.texi, doc/tree-ssa.texi: Fix typos.
6014
6015 2004-09-10  Geoffrey Keating  <geoffk@apple.com>
6016
6017         * gimplify.c (create_tmp_var_raw): Don't name otherwise-nameless
6018         temporary variables.
6019
6020         * dbxout.c (dbxout_block): Update for
6021         current_function_func_begin_label a string.
6022         * dwarf2out.c (dwarf2out_begin_prologue): Likewise.
6023         * except.c (dw2_output_call_site_table): Likewise.
6024         * toplev.c (current_function_func_begin_label): Likewise.
6025         * tree.h (current_function_func_begin_label): Likewise.
6026         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Likewise.
6027
6028         * final.c (output_asm_insn): Use strtoul instead of atoi, save a
6029         loop.
6030
6031         * config/darwin.c: Include target.h.
6032         (struct machopic_indirection): Make ptr_name a string.
6033         (machopic_indirection_hash): Update for ptr_name a string.
6034         (machopic_indirection_eq): Likewise.
6035         (machopic_indirection_name): Likewise.
6036         (machopic_output_indirection): Likewise.
6037         (machopic_validate_stub_or_non_lazy_ptr): Update for ptr_name a
6038         string.  Don't expect stub names to be in the identifier hash table.
6039         Do call strip_name_encoding before looking up entry in ID hash table.
6040         * config/t-darwin (darwin.o): Add target.h to dependencies.
6041
6042         * gcc/config/rs6000/rs6000.c (print_operand): Use fputs instead
6043         of fprintf for register names.
6044
6045         * output.h (unlikely_section_label): Delete declaration.
6046         (unlikely_text_section_name): Likewise.
6047         * varasm.c (unlikely_section_label_printed): Make static.
6048         (unlikely_section_label): Likewise.
6049         (unlikely_text_section_name): Likewise.
6050         (assemble_start_function): Use reconcat.
6051
6052         * rtl.def (REG): Add comment to describe third field.
6053
6054 2004-09-10  Andrew Pinski  <apinski@apple.com>
6055
6056         * config/darwin.c (machopic_mcount_stub_name): Call
6057         machopic_indirection_name instead of making the string
6058         ourselves.
6059
6060 2004-09-10  Diego Novillo  <dnovillo@redhat.com>
6061
6062         Revert
6063
6064         2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
6065
6066             * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
6067             memory tag is call clobbered, so are its aliases.
6068             (group_aliases): When two memory tags being grouped, if one is
6069             call clobbered, so are the other and its aliases.
6070             (add_may_alias): Remove call-clobbering stuff.
6071             (replace_may_alias): Likewise.
6072             (merge_pointed_to_info): Merge pt_global_mem
6073
6074 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6075
6076         * bb-reorder.c, c-common.c, c-incpath.c, c-typeck.c,
6077         genrecog.c, lambda-code.c, mips-tdump.c, mips-tfile.c,
6078         passes.c, tree-data-ref.c, tree-data-ref.h, tree-mudflap.c,
6079         tree-scalar-evolution.c, tree-ssa-copyrename.c,
6080         tree-ssa-live.c, tree-ssa-live.h: Fix comment typos.
6081
6082 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6083
6084         * config/frv/frv.md (UNSPEC_MASACCS, UNSPEC_MDASACCS): New constants.
6085         (maddaccs, msubaccs, *maddacc): Turn operand 0 into a single ACC/ACCG
6086         pair.  Remove match_dup from inputs.  Remove masaccs handling.
6087         (mdaddaccs, mdsubaccs, *mdaddacc): Likewise a dual ACC/ACCG pair.
6088         (masaccs, mdasaccs): Turn into define_insns.
6089
6090 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6091
6092         * tree-tailcall.c (process_assignment): Only do accumulator transforms
6093         for floating-point types if flag_unsafe_math_optimizations.
6094
6095 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6096
6097         * config/darwin.c, config/alpha/alpha.h, config/arm/arm.c,
6098         config/arm/arm.h, config/arm/arm.md, config/arm/bpabi.h,
6099         config/arm/predicates.md, config/frv/frv.c, config/frv/frv.md,
6100         config/h8300/h8300.md, config/i386/gmm_malloc.h,
6101         config/ia64/ia64.md, config/ip2k/libgcc.S,
6102         config/mips/mips-ps-3d.md, config/mips/mips.c,
6103         config/rs6000/rs6000.c, config/s390/s390.c,
6104         config/sh/symbian.c: Fix comment typos.
6105
6106 2004-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6107
6108         * config/s390/s390.c (s390_emit_prologue): Added missing
6109         "{}" brackets.
6110
6111 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6112
6113         * doc/extend.texi, doc/invoke.texi, doc/passes.texi: Fix
6114         typos.  Follow spelling conventions.
6115
6116 2004-09-10  Joseph S. Myers  <jsm@polyomino.org.uk>
6117
6118         * toplev.c (warn_deprecated_use): Correct logic for saying "type"
6119         in diagnostic.  Don't dereference NULL TYPE_NAME.
6120
6121 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6122
6123         * c-common.c, c-pch.c, defaults.h, lambda-code.c, passes.c,
6124         tree-data-ref.c, tree-flow.h, tree-ssa-operands.c,
6125         tree-ssa-threadupdate.c, tree-vectorizer.c, tree-vectorizer.h,
6126         value-prof.c: Fix comment typos.  Follow spelling conventions.
6127
6128 2004-09-10  Jan Hubicka  <jh@suse.cz>
6129
6130         * tree-ssa-dce.c (remove_dead_stmt): Update profile.
6131         * tree-split_edge.c (tree_split_edge): Likewise.
6132         (thread_jumps): Likewise.
6133
6134 2004-09-10  Kazu Hirata  <kazu@cs.umass.edu>
6135
6136         * cgraphunit.c, predict.c, tree-ssa-loop-ivopts.c: Fix comment
6137         typos.
6138
6139 2004-09-10  Paolo Bonzini  <bonzini@gnu.org>
6140
6141         * cgraph.h (cgraph_dump_file): Do not declare.
6142         * cgraphunit.c (cgraph_dump_file): Declare as static.
6143         (init_cgraph): New.
6144         * toplev.c (cgraph_dump_file): Do not declare.
6145         (compile_file): Call init_cgraph.
6146         * tree-dump.c (dump_files): Add IPA dump file, remove
6147         XML dump of call graph.
6148         (get_dump_file_name): Support IPA dump file naming scheme.
6149         * tree.h (enum tree_dump_index): Add IPA dump file, remove
6150         XML dump of call graph.
6151         * doc/invoke.texi (Debugging Options): Document the new options.
6152
6153 2004-09-10  Richard Sandiford  <rsandifo@redhat.com>
6154
6155         * doc/extend.texi: Document the FR-V built-in functions.
6156
6157 2004-09-09  James E Wilson  <wilson@specifixinc.com>
6158
6159         * doc/sourcebuild.texi: Delete libbanshee reference.
6160
6161 2004-09-10  Kelley Cook  <kcook@gcc.gnu.org>
6162
6163         * Makefile.in (s-gtype): Add $(build_exeext) to gengtype command.
6164
6165 2004-09-09  James E Wilson  <wilson@specifixinc.com>
6166
6167         * c-typeck.c (convert_for_assignment): Check that rhs has VECTOR_TYPE
6168         before calling vector_types_convertible_p.
6169         (digest_init): Check that inside_init has VECTOR_TYPE before calling
6170         vector_types_convertible_p.  Don't give another error if
6171         convert_for_assignment returns error_mark_node.
6172
6173 2004-09-09  Roger Sayle  <roger@eyesopen.com>
6174
6175         PR middle-end/17055
6176         * fold-const.c (build_zero_vector): New function to construct a
6177         vector (either floating point or integer) of zeros.
6178         (fold_convert): Internally, enable conversions of integer zero
6179         to arbitrary vector types, using the new build_zero_vector.
6180
6181 2004-09-09  Roger Sayle  <roger@eyesopen.com>
6182
6183         * config/i386/i386.c (ix86_expand_ashlsi3_const): New function to
6184         expand a left shift by an immediate constant as either an ashl or
6185         a sequence of additions.
6186         (ix86_split_ashldi): Use new ix86_expand_ashlsi3_const function
6187         instead of calling gen_ashlsi3 with a constant directly.
6188
6189 2004-09-09  Roger Sayle  <roger@eyesopen.com>
6190
6191         * config/i386/i386.c (ix86_split_long_move): When optimizing for
6192         size, and the low and high parts of a DImode constant are equal,
6193         copy one register to another instead of loading the same immediate
6194         value twice.
6195
6196 2004-09-09  Richard Henderson  <rth@redhat.com>
6197
6198         PR middle-end/17367
6199         * function.c (assign_parm_setup_block): Only put PARALLELs into
6200         a register if use_register_for_decl.
6201
6202 2004-09-09  Eric Christopher  <echristo@redhat.com>
6203
6204         * ra-colorize.c (reset_lists): Move variable declaration inside
6205         ENABLE_CHECKING to avoid unused variable warnings when
6206         not --enable-checking.
6207         (check_colors): Ditto.
6208
6209 2004-09-09  Mike Stump  <mrs@apple.com>
6210
6211         * version.c (version_string): Bump to 4.0.0.
6212         * doc/include/gcc-common.texi (version-GCC): Likewise.
6213
6214 2004-09-10  Jakub Jelinek  <jakub@redhat.com>
6215
6216         * doc/extend.texi (nothrow attribute): The attribute is not
6217         implemented in 3.2 and earlier.
6218
6219 2004-09-09  Steve Ellcey  <sje@cup.hp.com>
6220
6221         * genrecog.c (compute_predicate_codes): Use op0_codes
6222         instead of codes.
6223
6224 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
6225
6226         * ra-colorize.c (hardregset_to_string): Adapt to HARD_REG_SET
6227         implementation changes.
6228
6229 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
6230
6231         * combine.c (try_combine): When swapping i2 and i3, newi2pat may be
6232         a PARALLEL instead of a SET due to added clobbers.
6233
6234 2004-09-09  Ulrich Weigand  <uweigand@de.ibm.com>
6235
6236         * reload.c (find_reloads_address): Pass correct operand to
6237         maybe_memory_address_p.
6238
6239 2004-09-09  Daniel Berlin  <dberlin@dberlin.org>
6240
6241         * Makefile.in: Remove libbanshee, tree-alias-*.
6242         Remove tree-alias-common.h dependencies.
6243         * common.opt: Remove -ftree-points-to.
6244         * configure.ac: Remove libbanshee.
6245         * flags.h: Remove pta_type, flag_tree_points_to.
6246         * gengtype.c (open_base_files): Remove tree-alias-type.h.
6247         * opts.c (OPT_ftree_points_to): Remove.
6248         * toplev.c: Remove tree-alias-common.h, flag_tree_points_to.
6249         * tree-dfa.c: Remove tree-alias-common.h
6250         * tree-into-ssa.c: Ditto.
6251         * tree-outof-ssa.c: Ditto.
6252         * tree-ssa-copyrename.c: Ditto.
6253         * tree-ssa-live.c: Ditto.
6254         * tree-optimize.c: Ditto.
6255         * tree-ssa.c: Ditto.
6256         Remove pass_build_pta, pass_del_pta.
6257         * tree-pass.h: Ditto.
6258         * tree-ssa-alias.c: Remove tree-alias-common.h.
6259         (struct alias_stats_d): Remove pta_queries, pta_resolved.
6260         (pass_may_alias): Remove PROP_pta requirement.
6261         (may_alias_p): Remove pta_queries, pta_resolved, use of andersens.
6262         (get_tmt_for): Ditto.
6263         (dump_alias_stats): Ditto.
6264         * doc/passes.texi: Remove blurb about points-to analysis.
6265         * fortran/Make-lang.in: Remove tree-alias-*.o.
6266
6267 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
6268
6269         * genattrtab.c (write_insn_cases): New function, split out from
6270         write_attr_case.  Correctly handle define_peepholes when printing
6271         the instruction name.
6272         (write_attr_case, write_const_num_delay_slots): Use write_insn_cases.
6273
6274 2004-09-09  Hans-Peter Nilsson  <hp@axis.com>
6275
6276         PR target/17377
6277         * config/cris/cris-protos.h (cris_return_address_on_stack): Declare.
6278         * config/cris/cris.c (cris_return_address_on_stack): New function.
6279         * config/cris/cris.md ("return"): For location of return address,
6280         also check cris_return_address_on_stack.
6281
6282 2004-09-09  Diego Novillo  <dnovillo@redhat.com>
6283
6284         * tree-outof-ssa.c (coalesce_abnormal_edges): Fix typo in
6285         calling phi_ssa_name_p.
6286
6287 2004-09-09  Richard Henderson  <rth@redhat.com>
6288
6289         PR c/17322
6290         * c-typeck.c (valid_compound_expr_initializer): Use only
6291         initializer_constant_valid_p, and not TREE_CONSTANT.
6292         (digest_init): Likewise.
6293         (output_init_element): Likewise.
6294
6295 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6296
6297         * ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
6298         live_out_1, prune_hardregs_for_mode, init_one_web_common,
6299         reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
6300         record_conflict, compare_and_free_webs, init_webs_defs_uses,
6301         parts_to_webs_1, parts_to_webs, reset_conflicts,
6302         check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
6303         ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
6304         * ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
6305         put_move, remove_move, combine, select_spill, colorize_one_web,
6306         try_recolor_web, insert_coalesced_conflicts, check_colors,
6307         break_precolored_alias, restore_conflicts_from_coalesce,
6308         sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
6309         * ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
6310         reloads_to_loads, rewrite_program2, emit_colors): Likewise.
6311         * ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
6312         check_df): Likewise.
6313         * real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
6314         real_arithmetic, real_compare, real_exponent, real_ldexp,
6315         real_identical, real_to_integer, real_to_integer2, real_to_decimal,
6316         real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
6317         real_digit, real_nan, real_maxval, round_for_format, real_convert,
6318         real_to_target, real_from_target, real_hash, encode_ieee_single,
6319         encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
6320         encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
6321         encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
6322         * recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
6323         extract_insn, peep2_next_insn, peep2_reg_dead_p,
6324         peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
6325         if_test_bypass_p): Likewise.
6326         * reg-stack.c (record_label_references, get_asm_operand_n_inputs,
6327         stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
6328         emit_swap_insn, swap_to_top, move_for_stack_reg,
6329         subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
6330         compensate_edge, convert_regs_1): Likewise.
6331         * regclass.c (init_reg_sets, init_reg_sets_1,
6332         memory_move_secondary_cost): Likewise.
6333         * regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
6334         Likewise.
6335         * reload.c (push_secondary_reload, find_valid_class, push_reload,
6336         operands_match_p, decompose, immune_p, find_reloads,
6337         find_reloads_toplev, find_reloads_address_1, subst_reloads,
6338         copy_replacements, refers_to_regno_for_reload_p,
6339         reg_overlap_mentioned_for_reload_p): Likewise.
6340         * reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
6341         count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
6342         verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
6343         reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
6344         choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
6345         do_output_reload, fixup_abnormal_edges): Likewise.
6346         * reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
6347         fill_slots_from_thread, relax_delay_slots): Likewise.
6348         * resource.c (mark_referenced_resources, mark_set_resources):
6349         Likewise.
6350         * rtl.c (copy_rtx, rtx_equal_p): Likewise.
6351         * rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
6352         dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
6353         subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
6354         find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
6355         hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
6356         * rtlhooks.c (gen_lowpart_general): Likewise.
6357         * sbitmap.c (sbitmap_difference): Likewise.
6358         * sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
6359         sched_analyze, add_forward_dependence): Likewise.
6360         * sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
6361         * sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
6362         schedule_insns): Likewise.
6363         * sched-vis.c (print_pattern): Likewise.
6364         * sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
6365         * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
6366         simplify_const_relational_operation, simplify_ternary_operation,
6367         simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
6368         Likewise.
6369         * sreal.c (copy, sreal_sub, sreal_div): Likewise.
6370         * stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
6371         resolve_operand_name_1, expand_return, expand_decl,
6372         expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
6373         * stor-layout.c (put_pending_size, smallest_mode_for_size,
6374         int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
6375         set_sizetype, get_mode_bounds): Likewise.
6376
6377 2004-09-09  Zack Weinberg  <zack@codesourcery.com>
6378
6379         * defaults.h (MULTIPLE_SYMBOL_SPACES): Provide default.
6380         * config/arm/pecoff.h, config/i386/beos-elf.h
6381         * config/i386/cygming.h, config/i386/i386-interix.h:
6382         Define MULTIPLE_SYMBOL_SPACES to 1, not nothing.  Remove
6383         comment cloned from manual.
6384         * doc/tm.texi: Update description of MULTIPLE_SYMBOL_SPACES.
6385
6386 2004-09-09  Frank Ch. Eigler  <fche@redhat.com>
6387
6388         * builtins.c (build_va_arg_indirect_ref): New function.
6389         (std_gimplify_va_arg_expr): Call it instead of mudflap check and
6390         build_fold_indirect_ref.
6391         * config/i386/i386.c (ix86_gimplify_va_arg): Ditto.
6392         * config/ia64/ia64.c (ia64_gimplify_va_arg): Ditto.
6393         * tree.h: Declare new function.
6394
6395 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
6396
6397         * cgraphunit.c (cgraph_mark_functions_to_output): Renable node
6398         dumping for development builds.
6399         * emit-rtl.c (verify_rtx_sharing): Give verbose failure for
6400         development builds only.
6401         * genattrtab.c (write_eligible_delay): Fix typo in previous
6402         commit.
6403         * tree.c (iterative_hash_expr): Replace gcc_unreachable with
6404         gcc_assert.
6405
6406 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
6407
6408         * gcse.c (INSN_CUID, insert_set_in_table, find_avail_set,
6409         cprop_insn, do_local_cprop, local_cprop_pass, find_bypass_set,
6410         process_insert_insn, insert_insn_end_bb, pre_insert_copy_insn,
6411         hoist_code, extract_mentioned_regs_helper, compute_store_table,
6412         insert_store): Use gcc_assert and gcc_unreachable.
6413         * ggc-common.c (ggc_splay_alloc, ggc_splay_dont_free,
6414         gt_pch_note_object, gt_pch_note_reorder, relocate_ptrs,
6415         ggc_record_overhead): Likewise.
6416         * ggc-page.c (alloc_page, free_page, ggc_set_mark, ggc_marked_p,
6417         init_ggc, ggc_push_context, ggc_recalculate_in_use_p,
6418         ggc_pop_context, clear_marks, validate_free_objects,
6419         ggc_pch_read): Likewise.
6420         * ggc-zone.c (ggc_allocated_p, free_chunk, ggc_set_mark,
6421         ggc_marked_p, ggc_get_size, init_ggc, destroy_ggc_zone,
6422         ggc_push_context, check_cookies, ggc_collect,
6423         ggc_print_statistics): Likewise.
6424         * gimple-low.c (lower_function_body, lower_stmt,
6425         lower_bind_expr): Likewise.
6426         * gimplify.c (gimple_tree_eq, push_gimplify_context,
6427         pop_gimplify_context, gimple_pop_condition, create_tmp_var,
6428         declare_tmp_vars, gimple_add_tmp_var, annotate_all_with_locus,
6429         mostly_copy_tree_r, gimplify_return_expr, gimplify_switch_expr,
6430         gimplify_case_label_expr, gimplify_exit_block_expr,
6431         canonicalize_component_ref, gimplify_compound_lval,
6432         gimplify_self_mod_expr, gimplify_call_expr,
6433         gimplify_init_ctor_eval, gimplify_init_constructor,
6434         gimplify_modify_expr, gimplify_save_expr, gimplify_target_expr,
6435         gimplify_expr, check_pointer_types_r,
6436         force_gimple_operand): Likewise.
6437         * global.c (global_alloc, build_insn_chain): Likewise.
6438         * graph.c (clean_graph_dump_file,
6439         finish_graph_dump_file): Likewise.
6440         gcov-io.c (gcov_open): Use GCOV_CHECK.
6441
6442 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
6443
6444         * config/frv/frv.c (acc_operand, accg_operand): Use REGNO.
6445
6446 2004-09-09  Jan Hubicka  <jh@suse.cz>
6447
6448         middle-end/17128
6449         * tree-inline.c (expand_call_inline): Make overactive sanity check
6450         happy.
6451
6452 2004-09-09  Jan Hubicka  <jh@suse.cz>
6453
6454         * tree-ssa-loop-ivopts.c (peel_address): Fix abort on
6455         VIEW_CONVERT_EXPR.
6456
6457 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
6458
6459         * Makefile.in (gengtype): Use $(BUILD_ERRORS).
6460         (gengtype.o): Depend on errors.h.
6461         * genattrtab.c (strcmp_check): Use gcc_assert and gcc_unreachable.
6462         (attr_rtx_1, attr_printf, attr_copy_rtx, evaluate_eq_attr,
6463         attr_alt_subset_p, attr_alt_subset_of_compl_p,
6464         attr_alt_intersection, attr_alt_union, optimize_attrs, gen_insn,
6465         write_test_expr, write_attr_value, write_eligible_delay,
6466         make_internal_attr, make_numeric_value): Likewise.
6467         * genautomata.c (regexp_name, get_str_vect,
6468         gen_presence_absence_set, automaton_decl_hash,
6469         automaton_decl_eq_p, insn_decl_hash, insn_decl_eq_p, decl_hash,
6470         decl_eq_p, process_regexp, loop_in_regexp, check_loops_in_regexps,
6471         process_regexp_cycles, reserv_sets_cmp, set_unit_reserv,
6472         test_unit_reserv, it_is_empty_reserv_sets,
6473         reserv_sets_are_intersected, reserv_sets_shift, reserv_sets_or,
6474         reserv_sets_and, output_cycle_reservs, get_free_state,
6475         intersected_state_reservs_p, states_union, remove_arc,
6476         copy_insn_regexp, transform_1, transform_2, transform_3,
6477         regexp_transform_func, store_alt_unit_usage,
6478         check_regexp_units_distribution, process_seq_for_forming_states,
6479         process_alts_for_forming_states, make_automaton,
6480         form_arcs_marked_by_insn, create_composed_state,
6481         set_out_arc_insns_equiv_num, partition_equiv_class,
6482         process_insn_equiv_class, set_insn_equiv_classes,
6483         units_to_automata_heuristic_distr, form_regexp,
6484         longest_path_length, output_dfa_max_issue_rate, add_vect,
6485         out_state_arcs_num, add_vect_el, output_trans_table,
6486         output_state_alts_table, output_dead_lock_vect,
6487         output_max_insn_queue_index_def,
6488         output_min_insn_conflict_delay_func,
6489         output_internal_insn_latency_func, output_print_reservation_func,
6490         output_cpu_unit_reservation_p, output_state_arcs,
6491         make_insn_alts_attr, make_internal_dfa_insn_code_attr,
6492         make_default_insn_latency_attr,
6493         form_important_insn_automata_lists): Likewise.
6494         * genemit.c (gen_exp, output_add_clobbers,
6495         output_added_clobbers_hard_reg_p): Likewise.
6496         * genextract.c (print_path, main): Likewise.
6497         * genflags.c (gen_macro): Likewise.
6498         * gengenrtl.c: Include errors.h
6499         (type_from_format, accessor_from_format): Likewise.
6500         * gengtype.c (get_file_basename, output_mangled_typename,
6501         walk_type, write_types_process_field,
6502         write_types_local_process_field): Likewise.
6503         * genmodes.c (complete_mode): Likewise.
6504         * genopinit.c (gen_insn): Likewise.
6505         * genoutput.c (output_insn_data, check_constraint_len,
6506         constraint_len): Likewise.
6507         * genpreds.c (add_mode_tests):Likewise.
6508         * gen-protos.c (add_hash): Likewise.
6509         * genrecog.c (find_operand, find_matching_operand,
6510         validate_pattern, add_to_sequence, maybe_both_true,
6511         nodes_identical_1, merge_trees, write_switch, write_cond,
6512         write_action, is_unconditional, make_insn_sequence,
6513         debug_decision_2): Likewise.
6514         * gensupport.c (is_predicable, collect_insn_data,
6515         alter_predicate_for_insn, maybe_eval_c_test): Likewise.
6516
6517 2004-09-09  Jan Hubicka  <jh@suse.cz>
6518
6519         * basic-block.h (guess_outgoing_edge_probabilities): Declare.
6520         * cfgbuild.c (compute_outgoing_frequencies): When probability is
6521         missing, guess it.
6522         (find_many_sub_basic_blocks): Do update profile only when it is
6523         present.
6524         * predict.c (set_even_probabilities): Break out from ...
6525         (combine_predictions_for_insn): ... here; deal with
6526         !can_predict_insn_p insns.
6527         (combine_predictions_for_bb): Use set_even_probabilities.
6528         (bb_estimate_probability_locally): Break out from ....
6529         (estimate_probability): ... here.
6530         (guess_outgoing_edge_probabilities): New entry point.
6531
6532 2004-09-09  Nathan Sidwell  <nathan@codesourcery.com>
6533
6534         * gcc.c (add_sysrooted_prefix, execute, do_self_spec, do_spec_1,
6535         handle_braces, process_brace_body, main, used_arg,
6536         set_multilib_dir, print_multilib_info): Use fatal, not abort.
6537
6538         * tree-nested.c (create_tmp_var_for): Correct missinverted assert.
6539
6540         * tree-outof-ssa.c (free_temp_expr_table): Add missed assert.
6541         * tree-ssa-ccp.c (set_lattice_value): Correct missapplied de
6542         Morgan's theorem in last checkin.
6543
6544 2004-09-09  Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6545             Nathan Sidwell  <nathan@codesourcery.com>
6546
6547         * targhooks.c (default_unwind_emit, default_scalar_mode_supported_p):
6548         Use gcc_assert, gcc_unreachable & internal_error instead of abort.
6549         * timevar.c (timevar_push, timevar_pop, timevar_start,
6550         timevar_stop): Likewise.
6551         * toplev.c (default_pch_valid_p): Likewise.
6552         * tracer.c (tail_duplicate): Likewise.
6553         * tree-alias-common.c (get_alias_var_decl,
6554         get_values_from_constructor, create_alias_var, delete_alias_vars,
6555         empty_points_to_set, same_points_to_set, ptr_may_alias_var):
6556         Likewise.
6557         * tree.c (tree_size, make_node_stat, copy_node_stat,
6558         build_int_cst_wide, integer_all_onesp, list_length, chainon,
6559         tree_node_structure, type_contains_placeholder_p, substitute_in_expr,
6560         substitute_placeholder_in_expr, tabilize_reference_1, build0_stat,
6561         build1_stat, build2_stat, build3_stat, build4_stat, is_attribute_p,
6562         lookup_attribute, type_hash_canon, host_integerp, iterative_hash_expr,
6563         build_method_type_directly, decl_type_context, get_callee_fndecl,
6564         get_set_constructor_bits, build_vector_type_for_mode, int_cst_value,
6565         tree_fold_gcd): Likewise.
6566         * tree-cfg.c (create_bb, make_ctrl_stmt_edges, make_exit_edges,
6567         make_cond_expr_edges, group_case_labels, tree_merge_blocks,
6568         cleanup_control_expr_graph, find_taken_edge,
6569         find_taken_edge_switch_expr, phi_alternatives_equal,
6570         is_ctrl_altering_stmt, disband_implicit_edges, set_bb_for_stmt,
6571         stmt_for_bsi, tree_find_edge_insert_loc, bsi_insert_on_edge_immediate,
6572         tree_split_edge, tree_verify_flow_info, thread_jumps,
6573         tree_redirect_edge_and_branch, tree_flow_call_edges_add): Likewise.
6574         * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6575         chrec_fold_multiply_poly_poly): Likewise.
6576         * tree-complex.c (extract_component, expand_complex_division,
6577         expand_complex_comparison, expand_complex_operations_1,
6578         build_replicated_const, expand_vector_operations_1): Likewise.
6579         * tree-data-ref.c (tree_fold_bezout, build_classic_dist_vector,
6580         build_classic_dir_vector): Likewise.
6581         * tree-dfa.c (compute_immediate_uses_for_phi,
6582         compute_immediate_uses_for_stmt, create_var_ann, create_stmt_ann,
6583         create_tree_ann, collect_dfa_stats, get_virtual_var): Likewise.
6584         * tree-dump.c (dequeue_and_dump): Likewise.
6585         * tree-eh.c (record_stmt_eh_region, add_stmt_to_eh_region,
6586         record_in_finally_tree, replace_goto_queue_1,
6587         maybe_record_in_goto_queue, verify_norecord_switch_expr,
6588         do_return_redirection): Likewise.
6589         * tree-if-conv.c (tree_if_convert_stmt, tree_if_convert_cond_expr,
6590         add_to_dst_predicate_list, find_phi_replacement_condition,
6591         replace_phi_with_cond_modify_expr, get_loop_body_in_if_conv_order):
6592         Likewise.
6593         * tree-inline.c (remap_decl, remap_type, remap_decls, copy_body_r,
6594         initialize_inlined_parameters, declare_return_variable,
6595         estimate_num_insns_1, expand_call_inline, expand_calls_inline,
6596         optimize_inline_calls, copy_tree_r): Likewise.
6597         * tree-into-ssa.c (rewrite_initialize_block_local_data, rewrite_stmt,
6598         ssa_rewrite_stmt, rewrite_into_ssa): Likewise.
6599         * tree-iterator.c (alloc_stmt_list, tsi_link_before, tsi_link_after,
6600         tsi_split_statement_list_after, tsi_split_statement_list_before):
6601         Likewise.
6602         * tree-mudflap.c (mf_varname_tree): Likewise.
6603         * tree-nested.c (create_tmp_var_for, lookup_field_for_decl,
6604         lookup_tramp_for_decl, convert_all_function_calls): Likewise.
6605         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6606         * tree-outof-ssa.c (create_temp, eliminate_build, eliminate_phi,
6607         coalesce_abnormal_edges, coalesce_ssa_name, eliminate_virtual_phis,
6608         free_temp_expr_table, add_dependance, finish_expr, rewrite_trees):
6609         Likewise.
6610         * tree-phinodes.c (resize_phi_node, add_phi_arg,
6611         remove_all_phi_nodes_for): Likewise.
6612         * tree-pretty-print.c (op_prio, print_call_name): Likewise.
6613         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
6614         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Likewise.
6615         * tree-sra.c (type_can_instantiate_all_elements, sra_hash_tree,
6616         sra_elt_eq, sra_walk_expr, instantiate_missing_elements,
6617         generate_one_element_ref, generate_element_copy,
6618         generate_element_zero, scalarize_copy, scalarize_init,
6619         scalarize_ldst): Likewise.
6620         * tree-ssa-alias.c (delete_alias_info, group_aliases, may_alias_p,
6621         add_may_alias, add_pointed_to_expr, add_pointed_to_var,
6622         collect_points_to_info_r, get_tmt_for, get_ptr_info): Likewise.
6623         * tree-ssa.c (walk_use_def_chains, check_phi_redundancy): Likewise.
6624         * tree-ssa-ccp.c (dump_lattice_value, get_default_value, get_value,
6625         set_lattice_value, likely_value, ccp_visit_phi_node, visit_assignment,
6626         widen_bitfield, ccp_fold_builtin): Likewise.
6627         * tree-ssa-copy.c (may_propagate_copy, merge_alias_info,
6628         replace_exp_1, propagate_tree_value): Likewise.
6629         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
6630         * tree-ssa-dce.c (set_control_dependence_map_bit,
6631         find_control_dependence, find_pdom, mark_operand_necessary,
6632         mark_stmt_if_obviously_necessary,
6633         mark_control_dependent_edges_necessary, remove_dead_stmt): Likewise.
6634         * tree-ssa-dom.c (dom_opt_initialize_block_local_data,
6635         simplify_switch_and_lookup_avail_expr, cprop_into_successor_phis,
6636         eliminate_redundant_computations, avail_expr_eq): Likewise.
6637         * tree-ssa-dse.c (fix_stmt_v_may_defs): Likewise.
6638         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
6639         duplicate_blocks): Likewise.
6640         * tree-ssa-loop-im.c (for_each_index, set_level,
6641         is_call_clobbered_ref): Likewise.
6642         * tree-ssa-loop-ivopts.c (dump_use, divide, stmt_after_ip_normal_pos,
6643         stmt_after_increment, set_iv, contains_abnormal_ssa_name_p,
6644         find_interesting_uses_outer_or_nonlin, add_derived_ivs_candidates,
6645         peel_address, ptr_difference_cost, may_replace_final_value,
6646         determine_use_iv_cost, rewrite_use_nonlinear_expr, rewrite_use_outer,
6647         rewrite_use, rewrite_uses): Likewise.
6648         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
6649         check_loop_closed_ssa_use): Likewise.
6650         * tree-ssanames.c (make_ssa_name): Likewise.
6651         * tree-ssa-operands.c (finalize_ssa_defs, finalize_ssa_uses,
6652         finalize_ssa_v_must_defs, finalize_ssa_stmt_operands,
6653         get_stmt_operands, get_expr_operands, get_asm_expr_operands,
6654         get_indirect_ref_operands, add_stmt_operand): Likewise.
6655         * tree-ssa-pre.c (value_exists_in_set_bitmap,
6656         value_remove_from_set_bitmap, bitmap_insert_into_set, insert_into_set,
6657         phi_translate, valid_in_set, compute_antic,
6658         find_or_generate_expression, create_expression_by_pieces, insert_aux,
6659         create_value_expr_from, eliminate): Likewise.
6660         * tree-ssa-propagate.c (cfg_blocks_get): Likewise.
6661         * tree-ssa-threadupdate.c (remove_last_stmt_and_useless_edges):
6662         Likewise.
6663         * tree-tailcall.c (independent_of_stmt_p, adjust_return_value,
6664         eliminate_tail_call): Likewise.
6665         * tree-vectorizer.c (vect_create_index_for_array_ref,
6666         vect_align_data_ref, vect_create_data_ref,
6667         vect_create_destination_var, vect_get_vec_def_for_operand,
6668         vect_finish_stmt_generation, vect_transform_stmt,
6669         vect_transform_loop_bound, vect_transform_loop,
6670         vect_analyze_operations): Likewise.
6671         * tree-vn.c (vn_compute, set_value_handle, get_value_handle):
6672         Likewise.
6673         * tree-flow-inline.h (var_ann, get_var_ann, get_def_from_ptr,
6674         get_use_op_ptr, immediate_use, phi_ssa_name_p, bsi_start,
6675         bsi_after_labels, bsi_last): Likewise.
6676         * tree-ssa-live.c (var_union, change_partition_var,
6677         create_ssa_var_map, calculate_live_on_entry, root_var_init,
6678         type_var_init, add_coalesce, sort_coalesce_list, pop_best_coalesce):
6679         Likewise.
6680         * tree-ssa-live.h (partition_is_global, live_entry_blocks,
6681         tpa_find_tree): Likewise.
6682         (register_ssa_partition_check): Declare.
6683         (register_ssa_partition): use it.
6684         * tree-ssa-live.c: Include errors.h.
6685         (register_ssa_partition_check): New.
6686         * tree-ssa-operands.c: Include errors.h.
6687         * Makefile.in (tree-ssa-operands.o): Depend on errors.h.
6688
6689 2004-09-09  Richard Sandiford  <rsandifo@redhat.com>
6690             Catherine Moore  <clm@redhat.com>
6691
6692         * config/frv/frv-protos.h (FRV_CPU_FR550, FRV_CPU_FR450)
6693         (FRV_CPU_FR405): New processor enums.
6694         (frv_issue_rate, frv_acc_group): Declare.
6695         * config/frv/frv.h (CPP_SPEC, CPP_FRV_SPEC, CPP_FR500_SPEC): Delete.
6696         (CPP_FR400_SPEC, CPP_SIMPLE_SPEC): Delete.
6697         (MASK_DEFAULT_FR550, MASK_DEFAULT_FR450): New macros.
6698         (SUBTARGET_EXTRA_SPECS, EXTRA_SPECS, CPP_CPU_DEFAULT_SPEC): Delete.
6699         (TARGET_CPU_CPP_BUILTINS): Define the macros that were previously
6700         handled by CPP_SPEC.
6701         (MASK_LONG_CALLS, TARGET_LONG_CALLS): New macros.
6702         (MASK_ALIGN_LABELS, TARGET_ALIGN_LABELS): New macros.
6703         (ACC_MASK): New macro.
6704         (TARGET_MEDIA_REV2): Include FRV_CPU_{FR405,FR450,FR550}.
6705         (TARGET_MEDIA_FR450): New macro.
6706         (TARGET_FR500_FR550_BUILTINS, TARGET_FR405_BUILTINS): New macros.
6707         (TARGET_SWITCHES): Add -m{no-,}align-labels and -m{no-,}long-calls.
6708         (LABEL_ALIGN_AFTER_BARRIER): Define.
6709         (ACC_LAST, ACCG_LAST): Add four new accumulator registers.
6710         (IACC_FIRST, IACC_LAST): New pair of SPRs.
6711         (ACCG_FIRST, AP_FIRST, SPR_FIRST, SPR_LAST): Adjust accordingly.
6712         (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6713         (REGISTER_NAMES): Add entries for new registers.
6714         (REG_CLASS_CONTENTS): Update for new register ranges.
6715         (EXTRA_CONSTRAINT_FOR_S): Redefine in terms of call_operand.
6716         (ISSUE_RATE, CLEAR_VLIW_START, SET_VLIW_START): Delete.
6717         (PACKING_FLAG_USED_P): Delete.
6718         (FRV_BUILTIN_MQLCLRHS, FRV_BUILTIN_MQLMTHS, FRV_BUILTIN_MQSLLHI)
6719         (FRV_BUILTIN_MQSRAHI, FRV_BUILTIN_SMUL, FRV_BUILTIN_UMUL)
6720         (FRV_BUILTIN_PREFETCH0, FRV_BUILTIN_PREFETCH, FRV_BUILTIN_SMASS)
6721         (FRV_BUILTIN_SMSSS, FRV_BUILTIN_SMU, FRV_BUILTIN_SCUTSS)
6722         (FRV_BUILTIN_ADDSS, FRV_BUILTIN_SUBSS, FRV_BUILTIN_SLASS)
6723         (FRV_BUILTIN_IACCread{l,ll}, FRV_BUILTIN_IACCset{ll,l})
6724         (FRV_BUILTIN_SCAN): New members of frv_builtin_enum.
6725         (FRV_BUILTIN_FIRST_NONMEDIA): New macro.
6726         (CPU_UNITS_QUERY): Define to 1.
6727         * config/frv/frv.c: Include gt-frv.h
6728         (NUM_NOP_PATTERNS, NTH_UNIT, UNIT_NUMBER, PACKING_FLAG_P): New macros.
6729         (SET_PACKING_FLAG, CLEAR_PACKING_FLAG, FOR_EACH_REGNO): New macros.
6730         (frv_insn_group): New enumeration.
6731         (frv_unit_names, frv_unit_groups, frv_unit_codes): New variables.
6732         (frv_type_to_unit, frv_nops, frv_num_nops): New variables.
6733         (REGSTATE_DEAD, REGSTATE_LIVE, REGSTATE_UNUSED, REGSTATE_MASK)
6734         (REGSTATE_CONDJUMP): Delete.  Shuffle other numbers to cover the
6735         gap left by REGSTATE_LIVE.
6736         (regstate_t): New typedef.
6737         (TARGET_MACHINE_DEPENDENT_REORG): Define.
6738         (frv_default_flags_for_cpu): Handle FRV_CPU_{FR550,FR450,FR405}.
6739         (frv_override_options): Check for -mcpu={fr550,fr450,fr405}.
6740         Initialize frv_unit_codes[] and frv_type_to_unit[].
6741         (frv_conditional_register_usage): Remove redundant fixing of
6742         accumulator registers.
6743         (frv_insn_packing_flag): Update specification.
6744         (frv_function_prologue): Don't set frv_insn_packing_flag here.
6745         Zero out frv_nops[].
6746         (frv_expand_epilogue): Remove comments about the no-longer-present
6747         SIBCALL_P argument.
6748         (frv_asm_output_mi_thunk): Check frv_issue_rate() rather than
6749         PACKING_FLAG_USED_P() when deciding whether to pack instructions.
6750         (frv_asm_output_opcode, frv_final_prescan_insn): Simplify in light
6751         of the new meaning of frv_insn_packing_flag.  Emit an mnop.p if
6752         packing is disabled and if INSN can only issue to M1.
6753         (call_operand): Check TARGET_LONG_CALLS.
6754         (acc_operand, even_acc_operand, quad_acc_operand)
6755         (accg_operand): Simplify.  Don't accept pseudo registers.
6756         (output_move_single): Handle SPR<-zero moves.
6757         (frv_issue_rate): Make non-static.  Handle FRV_CPU_{FR550,FR450,FR405}.
6758         (frv_registers_update, frv_registers_used_p): Delete.
6759         (frv_registers_set_p): Delete.
6760         (frv_acc_group_1, frv_acc_group, frv_insn_unit): New functions.
6761         (frv_issues_to_branch_unit_p): New function.
6762         (frv_packet): New structure.
6763         (frv_cond_flags, frv_regstate_conflict_p): New functions.
6764         (frv_registers_conflict_p_1, frv_registers_conflict_p): New functions.
6765         (frv_registers_update_1, frv_registers_update): New functions.
6766         (frv_start_packet, frv_start_packet_block, frv_finish_packet)
6767         (frv_pack_insn_p, frv_add_insn_to_packet, frv_insert_nop_in_packet)
6768         (frv_for_each_packet, frv_sort_insn_group_1, frv_compare_insns)
6769         (frv_sort_insn_group, frv_reorder_packet): New functions.
6770         (frv_pack_insns): Use frv_reorder_packet.
6771         (frv_packet_address): New variable.
6772         (frv_fill_unused_units, frv_align_label, frv_reorg_packet)
6773         (frv_register_nop, frv_reorg): New functions.
6774         (bdesc_1arg): Add __SCUTSS.
6775         (bdesc_2arg): Add __MQLCLRHS, __MQLMTHS, __SMUL, __UMUL, __ADDSS,
6776         __SUBSS, __SLASS and __SCAN.
6777         (bdesc_2argimm): Add __MQSLLHI and __MQSRAHI.
6778         (bdesc_int_void2arg, bdesc_prefetches): New arrays.
6779         (frv_init_builtins): Register the above builtins.
6780         (frv_int_to_acc): Use ACC_MASK to check for valid accumulator
6781         registers.  Turn the referenced accumulators into global registers.
6782         (frv_read_iacc_argument): New function.
6783         (frv_expand_int_void2arg, frv_expand_prefetches): New functions.
6784         (frv_split_iacc_move): New function.
6785         (frv_expand_builtin): Handle the new builtins.
6786         * config/frv/frv.md: Replace old schedulers with new order-independent
6787         ones.  Add schedulers for the FR405, FR450 and FR550.  Describe new
6788         packing algorithm.
6789         (cpu): Add fr550, fr450 and fr405.
6790         (type): Add macc, scan, cut, fnop, fscmp, fdcmp, mnop, mqlimh and
6791         mqshift.  Replace fmas with fsmadd and fmad with fdmadd.  Delete m7.
6792         (*muladd[sd]f4, *mulsub[sd]f4): Fix types.
6793         (*cmp[sd]f_cc_fp): Use new f[sd]cmp types.
6794         (fnop, mnop): New patterns.
6795         (UNSPEC_MQLCLRHS, UNSPEC_MQLMTHS, UNSPEC_MQSLLHI, UNSPEC_MQSRAHI):
6796         New constants.
6797         (mexpdhw, *cond_exec_mexpdhw): Fix destination operands.
6798         (mclracca8): Use ACC_MASK to determine the upper set of accumulator
6799         registers.
6800         (mqlclrhs, mqlmths, mqsllhi, mqsrahi): New patterns.
6801         (UNSPEC_SMUL, UNSPEC_UMUL, UNSPEC_SMU, UNSPEC_ADDSS, UNSPEC_SUBSS)
6802         (UNSPEC_SLASS, UNSPEC_SCAN, UNSPEC_INTSS, UNSPEC_SCUTSS)
6803         (UNSPEC_PREFETCH0, UNSPEC_PREFETCH, UNSPEC_IACCreadll)
6804         (UNSPEC_IACCreadl, UNSPEC_IACCsetll, UNSPEC_IACCsetl, UNSPEC_SMASS)
6805         (UNSPEC_SMSSS, UNSPEC_IMUL, IACC0_REG): New constants.
6806         (smul, umul, smass, smsss, smu, addss, subss, slass, scan, scutss)
6807         (frv_prefetch0, frv_prefetch): New patterns.
6808         * config/frv/t-frv (MULTILIB_OPTIONS): Remove -mcpu=frv and
6809         -mcpu=simple.  Add -mcpu=fr550.
6810         (MULTILIB_DIRNAMES): Update accordingly.
6811         (MULTILIB_MATCHES): Use the fr400 multilibs for -mcpu=fr405 and
6812         -mcpu=fr450.
6813         * doc/invoke.texi: Document the new -mcpu={fr550,fr450,fr405},
6814         -mlong-calls and -malign-labels options for FR-V.
6815
6816 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
6817
6818         PR c/8420
6819         * c-tree.h (struct c_declspecs): New.
6820         (struct c_declarator, struct c_type_name, struct c_parm): Update
6821         element types.
6822         (build_array_declarator, grokfield, shadow_tag, shadow_tag_warned,
6823         start_function, start_decl, build_c_parm,
6824         make_pointer_declarator): Update prototypes.
6825         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
6826         declspecs_add_scspec, declspecs_add_attrs): New.
6827         (split_specs_attrs): Remove.
6828         * c-parse.in (%union): Add dsptype.
6829         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
6830         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
6831         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
6832         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
6833         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
6834         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
6835         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
6836         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
6837         declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
6838         declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
6839         maybe_type_quals_attrs): Change to dsptype.
6840         (struct c_declspec_stack): New.
6841         (current_declspecs, declspec_stack): Change type.
6842         (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): Update to new
6843         structures.
6844         (extdefs): Likewise.
6845         (setspecs): Likewise.
6846         (fndef): Use current_declspecs for empty declspecs list.
6847         (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
6848         declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
6849         declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
6850         declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
6851         declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
6852         declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
6853         declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
6854         declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea): Update to new
6855         structures and helper functions.  Update comments.
6856         (typespec_nonattr): Correct comment.
6857         (maybe_type_quals_attrs, typename): Update to new structures.
6858         * c-decl.c (grokdeclarator, build_array_declarator, grokfield,
6859         shadow_tag, shadow_tag_warned, start_function, start_decl,
6860         build_c_parm, make_pointer_declarator,
6861         set_array_declarator_inner, groktypename): Update to new
6862         structures.
6863         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
6864         declspecs_add_scspec, declspecs_add_attrs): New.
6865         (split_specs_attrs): Remove.
6866         (shadow_tag_warned): Make warning for useless type names a
6867         pedwarn.  Give hard error for long, short, signed, unsigned or
6868         _Complex used with struct, union or enum in empty declaration.
6869         Make found_tag a bool.
6870         (grokdeclarator): Remove checks now done at parse time.
6871
6872 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
6873
6874         * c-tree.h (enum c_declarator_kind, struct c_arg_info, struct
6875         c_declarator, struct c_type_name, struct c_parm): New.
6876         (build_array_declarator, set_array_declarator_inner,
6877         get_parm_info, grokfield, groktypename, grokparm, push_parm_decl,
6878         start_function, start_decl, build_c_parm, build_attrs_declarator,
6879         build_function_declarator, make_pointer_declarator, c_cast_expr,
6880         store_parm_decls_newstyle, c_expr_sizeof_type): Update prototypes.
6881         (build_id_declarator): New.
6882         * c-typeck.c (c_cast_expr, c_expr_sizeof_type): Update to new
6883         structures.
6884         * c-decl.c (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES,
6885         ARG_INFO_OTHERS): Remove.
6886         (build_id_declarator): New.
6887         (build_array_declarator, set_array_declarator_inner, groktypename,
6888         start_decl, grokparm, push_parm_decl, grokparms, get_parm_info,
6889         grokfield, start_function, store_parm_decls_newstyle,
6890         store_parm_decls_oldstyle, store_parm_decls,
6891         build_c_parm, build_attrs_declarator, build_function_declarator,
6892         make_pointer_declarator, grokdeclarator): Update to new
6893         structures.
6894         * c-parse.in (%union): Add arginfotype, dtrtype, typenametype and
6895         parmtype.
6896         (declarator, notype_declarator, after_type_declarator,
6897         parm_declarator, parm_declarator_starttypename,
6898         parm_declarator_nostarttypename, array_declarator, typename,
6899         absdcl, absdcl1, absdcl1_ea, absdcl1_noea, direct_absdcl1,
6900         absdcl_maybe_attribute, parm, firstparm, parms, parmlist,
6901         parmlist_1, parmlist_2, parmlist_or_identifiers,
6902         parmlist_or_identifiers_1): Use these types.
6903         (primary, after_type_declarator, parm_declarator_starttypename,
6904         notype_declarator, component_decl, component_declarator,
6905         component_notype_declarator, typename, absdcl,
6906         absdcl_maybe_attribute, absdcl1_ea, direct_absdcl1, parmlist_1,
6907         parmlist_2, parmlist_or_identifiers_1): Update to new structures.
6908
6909 2004-09-09  Joseph S. Myers  <jsm@polyomino.org.uk>
6910
6911         * c-tree.h (C_DECL_USED, parser_obstack, in_alignof, in_sizeof,
6912         in_typeof, record_maybe_used_decl, pop_maybe_used,
6913         c_expr_sizeof_expr, c_expr_sizeof_type): New.
6914         * c-decl.c (parser_obstack): New.
6915         (c_init_decl_processing): Initialize parser_obstack.
6916         (c_write_global_declarations_1): Check for used but undefined
6917         static functions.
6918         * c-parse.in (%union): Add otype.
6919         (save_obstack_position): New.
6920         (extdefs): Use it.
6921         (unary_expr): Update in_sizeof and in_alignof.  Use
6922         c_expr_sizeof_expr and c_expr_sizeof_type.
6923         (sizeof): Update in_sizeof.
6924         (alignof): Update in_alignof.
6925         (typeof): Update in_typeof.
6926         (typespec_nonreserved_nonattr): Call pop_maybe_used.
6927         * c-typeck.c (in_alignof, in_sizeof, in_typeof, struct
6928         maybe_used_decl, maybe_used_decls, record_maybe_used_decl,
6929         pop_maybe_used, c_expr_sizeof_expr, c_expr_sizeof_type): New.
6930         (build_external_ref): Set C_DECL_USED or call
6931         record_maybe_used_decl if appropriate.
6932         * toplev.c (check_global_declarations): Check TREE_NO_WARNING.
6933
6934 2004-09-08  Eric Christopher  <echristo@redhat.com>
6935
6936         * builtins.c: Fix prototype for fold_builtin_atan.
6937
6938 2004-09-08  Eric Christopher  <echristo@redhat.com>
6939
6940         * builtins.c (fold_builtin_strlen, fold_builtin_sqrt, fold_builtin_cbrt,
6941         fold_builtin_pow, fold_builtin_sin, fold_builtin_cos, fold_builtin_tan,
6942         fold_builtin_atan): New functions. Migrate function bodies...
6943         (fold_builtin_1): ... from here.
6944
6945 2004-09-09  Alan Modra  <amodra@bigpond.net.au>
6946
6947         * config/rs6000/rs6000.c (rs6000_stack_info): Correct alignment of
6948         save_size.
6949
6950 2004-09-08  David Edelsohn  <edelsohn@gnu.org>
6951
6952         * config/rs6000/power4.md (power4-lmul): du4 feeds iu1.
6953         * config/rs6000/power5.md (power5-lmul): Same.
6954
6955 2004-09-08  Richard Henderson  <rth@redhat.com>
6956
6957         PR rtl-opt/17186
6958         * function.c (expand_function_end): Have fall-off-the-end
6959         return path jump around return register setup.
6960
6961 2004-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
6962
6963         * config/sparc/sparc.c (sparc_indent_opcode): New variable.
6964         (output_return): Do not test for the presence of the 'unimp' insn.
6965         Use 'current_function_uses_only_leaf_regs' and 'final_sequence'
6966         as predicates instead of custom ones.  Return raw strings when
6967         possible.
6968         (output_sibcall): Likewise.  Concatenate strings.
6969         (output_ubranch): Remove kludge for TurboSPARC.
6970         (output_cbranch): Remove 'noop' parameter.  Do not output 'nop'.
6971         (output_v9branch): Likewise.
6972         (print_operand): Use 'final_sequence' instead of 'dbr_sequence_length'.
6973         <#>: Set sparc_indent_opcode if the delay slot is filled.
6974         <(>: Likewise.
6975         <)>: New operand to emit the displacement from the saved PC on return.
6976         <@>: Remove.
6977         * config/sparc/sparc.h (sparc_indent_opcode): Declare it.
6978         (ASM_OUTPUT_OPCODE): New macro.
6979         (PRINT_OPERAND_PUNCT_VALID_P): Remove '^' and add ')'.
6980         * config/sparc/sparc.md (normal_branch, inverted_branch,
6981         normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
6982         inverted_fpe_branch): Adjust call to output_cbranch.
6983         (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust
6984         call to output_v9branch.
6985         * config/sparc/sparc-protos.h (output_cbranch): Adjust.
6986         (output_v9branch): Likewise.
6987
6988 2004-09-08  Devang Patel  <dpatel@apple.com>
6989
6990         * config/darwin.h  (TARGET_OPTION_TRANSLATE_TABLE): Add -segaddr,
6991         -segs_read_only_addr and -segs_read_write_addr.
6992         (WORD_SWITCH_TAKES_ARG): Same.
6993         (LINK_SPEC): Same.
6994         * doc/invoke.texi: Document -segaddr, -segs_read_only_addr and
6995         -segs_read_write_addr.
6996
6997 2004-09-08  Richard Henderson  <rth@redhat.com>
6998
6999         * function.c (reference_callee_copied): New.
7000         (assign_parm_setup_reg): Use it.
7001         * calls.c (initialize_argument_information): Likewise.
7002         (emit_library_call_value_1): Likewise.
7003         * function.h (reference_callee_copied): Declare.
7004
7005         * target.h (struct gcc_target): Add callee_copies.
7006         * target-def.h (TARGET_CALLEE_COPIES): New.
7007         (TARGET_PASS_BY_REFERENCE): Update default.
7008         * expr.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7009         * targhooks.c (hook_callee_copies_named): New.
7010         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false): Rename from
7011         hook_pass_by_reference_false.
7012         (hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true): New.
7013         * targhooks.h: Update decls.
7014         * config/arc/arc.c (TARGET_CALLEE_COPIES): New.
7015         * config/arc/arc.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7016         * config/frv/frv-protos.h (frv_function_arg_callee_copies): Remove.
7017         * config/frv/frv.c (frv_function_arg_callee_copies): Remove.
7018         * config/frv/frv.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7019         * config/iq2000/iq2000.c (TARGET_CALLEE_COPIES): New.
7020         * config/iq2000/iq2000.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7021         * config/m68hc11/m68hc11.c (TARGET_CALLEE_COPIES): New.
7022         * config/m68hc11/m68hc11.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7023         * config/mips/mips.c (TARGET_CALLEE_COPIES): New.
7024         (mips_callee_copies): New.
7025         * config/mips/mips.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7026         * config/mmix/mmix.c (TARGET_CALLEE_COPIES): New.
7027         * config/mmix/mmix.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7028         * config/mn10300/mn10300.c (TARGET_CALLEE_COPIES): New.
7029         * config/mn10300/mn10300.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7030         * config/pa/pa.c (TARGET_CALLEE_COPIES): New.
7031         * config/pa/pa.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7032         * config/sh/sh.c (sh_callee_copies): New.
7033         (TARGET_CALLEE_COPIES): New.
7034         * config/sh/sh.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7035         * config/v850/v850.c (TARGET_CALLEE_COPIES): New.
7036         * config/v850/v850.h (FUNCTION_ARG_CALLEE_COPIES): Remove.
7037         * doc/tm.texi (TARGET_CALLEE_COPIES): Replace documentation
7038         for FUNCTION_ARG_CALLEE_COPIES.
7039         * doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Update.
7040
7041 2004-09-08  Devang Patel  <dpatel@apple.com>
7042
7043         * tree-if-conv.c (find_phi_replacement_condition): Return true
7044         edge block.
7045         (replace_phi_with_cond_modify_expr): Select conditional expr args
7046         based on true edge basic block.
7047
7048 2004-09-08  Jan Hubicka  <jh@suse.cz>
7049
7050         * tree-ssa-operands.c (add_stmt_operand): Use V_MUST_DEF even for
7051         variables being alias set.
7052
7053 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7054
7055         * final.c (shorten_branches, final, get_insn_template,
7056         output_alternate_entry_point, final_scan_insn, alter_subreg,
7057         alter_cond, output_operand, asm_fprintf, final_forward_branch_p,
7058         leaf_renumber_regs_insn): Use gcc_assert and gcc_unreachable.
7059         * fix-header.c (lookup_std_proto): Likewise.
7060         * flow.c (first_insn_after_basic_block_note, verify_wide_reg,
7061         verify_local_live_at_start, update_life_info, mark_reg,
7062         calculate_global_regs_live, allocate_reg_life_data,
7063         init_propagate_block_info, mark_set_regs, flush_reg_cond_reg_1,
7064         ior_reg_cond, not_reg_cond, and_reg_cond, elim_reg_cond,
7065         attempt_auto_inc, mark_used_reg, mark_used_regs): Likewise.
7066         * fold-const.c (force_fit_type, div_and_round_double,
7067         may_negate_without_overflow_p, int_const_binop, const_binop,
7068         size_binop, size_diffop, fold_convert_const, fold_convert,
7069         invert_tree_comparison, swap_tree_comparison,
7070         comparison_to_compcode, compcode_to_comparison, invert_truthvalue,
7071         range_binop, make_range, fold_cond_expr_with_comparison,
7072         fold_div_compare, fold, fold_checksum_tree, fold_negate_const,
7073         fold_abs_const, fold_not_const, fold_relational_const, round_up,
7074         round_down): Likewise.
7075         * function.c (find_function_data, assign_stack_temp_for_type,
7076         instantiate_virtual_regs_lossage, aggregate_value_p,
7077         assign_parm_find_entry_rtl, assign_parm_setup_block,
7078         expand_function_start, expand_function_end, keep_stack_depressed,
7079         handle_epilogue_set, thread_prologue_and_epilogue_insns): Likewise.
7080
7081 2004-09-08  Daniel Berlin  <dberlin@dberlin.org>
7082
7083         * Makefile.in (tree-loop-linear.o): Added.
7084         (OBJS-common): Add tree-loop-linear.o
7085         * common.opt: New flag, ftree-loop-linear.
7086         * timevar.def: New timevar, TV_TREE_LOOP_LINEAR.
7087         * tree-flow.h: Add prototype for linear_transform_loops.
7088         * tree-optimize.c: Add linear transform after vectorization.
7089         * tree-pass.h: Add struct pass_linear_transform.
7090         * tree-ssa-loop.c: Add pass_linear_transform.
7091         * tree-loop-linear.c: New file.
7092         * lambda-code.c: gcc_assertify.
7093         (gcc_loop_to_lambda_loop): Handle all exit tests.
7094         Handle case where we have (invariant >= induction var).
7095         (find_induction_var_from_exit_cond): Ditto.
7096
7097 2004-09-08  Jie Zhang  <zhangjie@magima.com.cn>
7098
7099         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): If type
7100         memory tag is call clobbered, so are its aliases.
7101         (group_aliases): When two memory tags being grouped, if one is
7102         call clobbered, so are the other and its aliases.
7103         (add_may_alias): Remove call-clobbering stuff.
7104         (replace_may_alias): Likewise.
7105         (merge_pointed_to_info): Merge pt_global_mem
7106
7107 2004-09-08  Jan Hubicka  <jh@suse.cz>
7108
7109         * cgraph.c (cgraph_remove_node): Free DECL_INITIAL field of node.
7110         * cgraphunit.c (verify_cgraph): Don't verify on syntax errors.
7111         (cgraph_expand_function): Remove stale cgraph edges of currently
7112         compiled function; fix non-unit-at-a-time code copying function
7113         node for later reuse.
7114
7115 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7116
7117         * vec.c (vec_p_reserve, vec_o_reserve): Rename to ...
7118         (vec_gc_p_reserve, vec_gc_o_reserve): ... here. Clone to
7119         (vec_heap_p_reserve, vec_heap_o_reserve): ... here, adjust.
7120         (vec_gc_free, vec_heap_free): New.
7121         * vec.h (DEF_VEC_GC_P, DEF_VEC_MALLOC_P): New.
7122         (DEF_VEC_P): Add allocator argument. Adjust.
7123         (DEF_VEC_GC_O, DEF_VEC_MALLOC_O): New.
7124         (DEF_VEC_O): Add allocator argument. Adjust.
7125         (VEC(free)): New.
7126
7127         * tree.h (tree): Define a GC'd vector.
7128         * lamba-code.c (lambda_loop): Likewise.
7129         * value-prof.h (histogram_value): Likewise.
7130
7131 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7132
7133         * emit-rtl.c (immed_double_const): Use gcc_assert and gcc_unreachable.
7134         (gen_rtx_SUBREG, gen_reg_rtx, mark_user_reg, subreg_hard_regno,
7135         gen_lowpart_common, gen_highpart, gen_highpart_mode,
7136         subreg_highpart_offset, operand_subword, operand_subword_force,
7137         mem_expr_equal_p, set_mem_attributes_minus_bitpos,
7138         set_mem_alias_set, change_address_1, verify_rtx_sharing,
7139         copy_most_rtx, set_first_insn, set_last_insn, prev_cc0_setter,
7140         try_split, add_insn_after, add_insn_before, remove_insn,
7141         remove_unnecessary_notes, emit_insn_before, emit_jump_insn_before,
7142         emit_call_insn_before, emit_insn_after, emit_jump_insn_after,
7143         emit_call_insn_after, emit_insn, emit_jump_insn, emit_call_insn,
7144         set_unique_reg_note, emit, push_to_full_sequence, copy_insn_1,
7145         gen_const_vector_0, emit_copy_of_insn_after): Likewise.
7146         * et-forest.c (set_prev, set_next, et_check_occ_sanity,
7147         record_path_before_1, check_path_after_1, check_path_after): Likewise.
7148         * except.c (gen_eh_region, resolve_one_fixup_region,
7149         remove_unreachable_regions, convert_from_eh_region_ranges_1,
7150         add_ehl_entry, duplicate_eh_region_1, build_post_landing_pads,
7151         connect_post_landing_pads, sjlj_emit_function_exit,
7152         remove_exception_handler_label, remove_eh_handler,
7153         reachable_next_level, collect_one_action_chain,
7154         output_function_exception_table): Likewise.
7155         * explow.c (trunc_int_for_mode, copy_to_mode_reg,
7156         optimize_save_area_alloca, allocate_dynamic_stack_space,
7157         probe_stack_range, hard_function_value): Likewise.
7158         * expmed.c (mode_for_extraction, store_bit_field,
7159         store_fixed_bit_field, extract_bit_field, expand_shift,
7160         expand_mult_const, expand_mult, choose_multiplier,
7161         expand_mult_highpart, expand_divmod, emit_store_flag,
7162         do_cmp_and_jump): Likewise.
7163         * expr.c (convert_move, convert_modes, move_by_pieces,
7164         move_by_pieces_ninsns, move_by_pieces_1, emit_block_move,
7165         move_block_from_reg, gen_group_rtx, emit_group_load,
7166         emit_group_move, emit_group_store, use_reg, use_regs,
7167         can_store_by_pieces, store_by_pieces, store_by_pieces_1,
7168         emit_move_insn, emit_move_insn_1, emit_push_insn,
7169         expand_assignment, store_expr, count_type_elements,
7170         store_constructor, store_field, safe_from_p, expand_var,
7171         expand_expr_addr_expr, expand_expr_real_1, do_store_flag): Likewise.
7172
7173 2004-09-08  Nathan Sidwell  <nathan@codesourcery.com>
7174
7175         * dbxout.c (dbxout_type, dbxout_type_name, dbxout_symbol): Use
7176         gcc_assert and gcc_unreachable.
7177         * ddg.c (create_ddg_dependence, add_deps_for_def,
7178         add_deps_for_use, create_ddg, add_edge_to_ddg): Likewise.
7179         * df.c (df_ref_unlink, df_ref_record, df_uses_record,
7180         df_reg_def_chain_create, df_reg_use_chain_create, df_analyze,
7181         df_insn_delete, df_refs_reg_replace, df_ref_reg_replace,
7182         df_insns_modify, df_pattern_emit_before, df_bb_reg_live_start_p,
7183         df_bb_reg_live_end_p, df_bb_regs_lives_compare,
7184         df_bb_single_def_use_insn_find, dataflow_set_a_op_b,
7185         dataflow_set_copy, hybrid_search, diagnostic.c,
7186         diagnostic_build_prefix, diagnostic_count_diagnostic): Likewise.
7187         * dojump.c (do_jump): Likewise.
7188         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
7189         compute_dom_fast_query, calculate_dominance_info,
7190         free_dominance_info, get_immediate_dominator,
7191         set_immediate_dominator, get_dominated_by,
7192         redirect_immediate_dominators, nearest_common_dominator,
7193         dominated_by_p, verify_dominators, recount_dominator,
7194         iterate_fix_dominators, add_to_dominance_info,
7195         delete_from_dominance_info): Likewise.
7196         * dwarf2asm.c (size_of_encoded_value, eh_data_format_name,
7197         dw2_asm_output_delta_uleb128, dw2_asm_output_delta_sleb128,
7198         dw2_force_const_mem, dw2_asm_output_encoded_addr_rtx): Likewise.
7199         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes, reg_save,
7200         initial_return_save, stack_adjust_offset, dwarf2out_stack_adjust,
7201         flush_queued_reg_saves, dwarf2out_frame_debug_expr,
7202         dwarf2out_frame_debug, dw_cfi_oprnd1_desc, output_cfi,
7203         output_call_frame_info, output_loc_operands, build_cfa_loc,
7204         decl_ultimate_origin, AT_flag, AT_int, AT_unsigned, AT_string,
7205         AT_string_form, add_AT_specification, AT_ref, set_AT_ref_external,
7206         AT_loc, AT_loc_list, AT_addr, AT_lbl, add_child_die,
7207         splice_child_die, attr_checksum, same_dw_val_p,
7208         break_out_includes, build_abbrev_table, size_of_die, mark_dies,
7209         unmark_dies, value_format, output_loc_list, output_die,
7210         output_pubnames, output_aranges, base_type_die, is_base_type,
7211         modified_type_die, dbx_reg_number, multiple_reg_loc_descriptor,
7212         mem_loc_descriptor, loc_descriptor, loc_descriptor_from_tree_1,
7213         field_byte_offset, add_data_member_location_attribute,
7214         add_const_value_attribute, rtl_for_decl_location,
7215         add_location_or_const_value_attribute, add_byte_size_attribute,
7216         add_bit_offset_attribute, add_bit_size_attribute,
7217         add_abstract_origin_attribute, pop_decl_scope, scope_die_for,
7218         decl_start_label, gen_formal_parameter_die,
7219         gen_type_die_for_member, gen_subprogram_die, gen_label_die,
7220         gen_typedef_die, gen_type_die, gen_tagged_type_instantiation_die,
7221         force_decl_die, force_type_die, gen_decl_die,
7222         dwarf2out_imported_module_or_decl, prune_unused_types_prune,
7223         dwarf2out_finish): Likewise.
7224
7225 2004-09-08  Andreas Tobler  <toa@pop.agri.ch>
7226
7227         * Makefile.in (builtins.o): Depend on tree-mudflap.h.
7228         * builtins.c: Include tree-mudflap.h.
7229
7230 2004-09-08  Uros Bizjak  <uros@kss-loka.si>
7231
7232         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
7233         force operand 0.0 into register in XFmode. Also do not force
7234         operand 0.0 into register if !TARGET_CMOVE.
7235         * config/i386/i386.md (*cmpfp_0): Delete. Remove comment.
7236         (*cmpfp_0_sf, cmpfp_0_df, cmpfp_0_xf): New patterns to
7237         implement ftst x87 instruction.
7238         (*fp_jcc_7): New insn pattern. Change corresponding split
7239         pattern to handle "general_operand" instead of
7240         "nonimmediate_operand".
7241
7242 2004-09-08  Ben Elliston  <bje@au.ibm.com>
7243
7244         * doc/rtl.texi (Insns): Document NOTE_INSN_FUNCTION_BEG.
7245
7246 2004-09-07  Frank Ch. Eigler  <fche@redhat.com>
7247
7248         * builtins.c (std_gimplify_va_arg_expr): Mark INDIRECT_REF nodes
7249         generated from standard va_arg expansion.
7250         * tree-mudflap.c (mx_xform_derefs_1): Omit instrumentation from
7251         marked nodes.
7252         (mf_varname_tree, mf_file_function_line_tree): Add some support
7253         for column numbers if compiled with USE_MAPPED_LOCATION.
7254
7255 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
7256
7257         * c-decl.c (groktypename_in_parm_context): Remove function.
7258         * c-tree.h (groktypename_in_parm_context): Remove prototype.
7259
7260 2004-09-07  Ziemowit Laski  <zlaski@apple.com>
7261
7262         * Makefile.in (c-parse.o): Depend on $(C_COMMON_H).
7263         * c-parse.in: Include c-common.h instead of objc-act.h.
7264         (ivar_decl_list, ivar_decls, ivar_decl, ivars, ivar_declarator,
7265         myparms, myparm): Remove %type declarations.
7266         (methodtype, optparms, OBJC_TYPE_QUAL, objc_quals, objc_qual,
7267         objc_typename, objc_try_catch_stmt, optellipsis): Add %type
7268         declarations.
7269         (objc_inherit_code, objc_public_flag): Remove.
7270         (typespec_nonreserved_nonattr): Call
7271         objc_get_protocol_qualified_type() instead of get_static_reference()
7272         and get_protocol_reference().
7273         (stmt_nocomp): Call grokparm() on @catch parameter.
7274         (objcdef): Move semantic action to objc_finish_implementation().
7275         (classdef): Move semantic action to objc_start_class_interface(),
7276         objc_continue_interface(), objc_finish_interface(),
7277         objc_start_class_implementation(), objc_continue_implementation(),
7278         objc_start_category_interface() and
7279         objc_start_category_implementation().
7280         (protocoldef): Move semantic actions to objc_start_protocol() and
7281         objc_finish_interface().
7282         (ivar_decl_list): Remove nonterminal.
7283         (visibility_spec): Move semantic actions to objc_set_visibility().
7284         (ivar_decls): Remove assignment to $$.
7285         (ivar_decl): Rephrase in terms of component_decl; call
7286         objc_add_instance_variable().
7287         (ivars, ivar_declarator): Remove nonterminals.
7288         (opt_semi): New nonterminal.
7289         (methodtype): Remove semantic actions.
7290         (methoddef): Move semantic actions to objc_set_method_type(),
7291         objc_start_method_definition() and objc_finish_method_definition().
7292         (methodproto): Move semantic actions to objc_set_method_type() and
7293         objc_add_method_declaration().
7294         (methoddecl): Use objc_typename instead of typename; move semantic
7295         actions to objc_build_method_signature().
7296         (optarglist, myxdecls, mydecl, myparms, myparm): Remove nonterminals.
7297         (optparmlist): Express in terms of optparms and optellipsis.
7298         (optparms, optellipsis, objc_qual, objc_quals, objc_typename): New
7299         nonterminals.
7300         (keyworddecl): Use objc_typename instead of typename.
7301         (rid_to_yy): Mark RID_IN, RID_OUT, RID_INOUT, RID_BYCOPY, RID_BYREF
7302         and RID_ONEWAY as returning OBJC_TYPE_QUAL to yyparse().
7303
7304 2004-09-08  Alan Modra  <amodra@bigpond.net.au>
7305
7306         * doc/tm.texi (MD_UNWIND_SUPPORT): Document.
7307         (MD_FALLBACK_FRAME_STATE_FOR): Update.
7308         * unwind-dw2.c (MD_UNWIND_SUPPORT): #include if defined.
7309         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
7310         (MD_FROB_UPDATE_CONTEXT): Remove default.
7311         (uw_update_context_1): Instead #ifdef invocation.
7312         * config/ia64/unwind-ia64.c (MD_UNWIND_SUPPORT): #include if defined.
7313         (uw_frame_state_for): Adjust MD_FALLBACK_FRAME_STATE_FOR invocation.
7314         * config/alpha/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Don't undef.
7315         (MD_UNWIND_SUPPORT): Undefine this instead.
7316         * config/i386/gnu.h: Likewise.
7317         * config/alpha/linux-unwind.h: New file, macro converted to
7318         function, extracted from..
7319         * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): ..this.
7320         (MD_UNWIND_SUPPORT): Define.
7321         * config/alpha/vms-unwind.h, config/alpha/vms.h: Likewise.
7322         * config/i386/linux-unwind.h, config/i386/linux.h,
7323         config/i386/linux64.h: Likewise.
7324         * config/ia64/linux-unwind.h, config/ia64/linux.h: Likewise.
7325         MD_HANDLE_UNWABI too.
7326         * config/mips/linux-unwind.h, config/mips/linux.h: Likewise.
7327         * config/pa/linux-unwind.h, config/pa/pa32-linux.h: Likewise.
7328         * config/rs6000/darwin-unwind.h, config/rs6000/darwin.h: Likewise.
7329         * config/s390/linux-unwind.h, config/s390/linux.h: Likewise.
7330         * config/sparc/linux-unwind.h, config/sparc/linux.h,
7331         config/sparc/linux64.h: Likewise.
7332         * config/sh/linux-unwind.h, config/sh/linux.h: Likewise, but merge
7333         SH_FALLBACK_FRAME_FLOAT_STATE into sh_fallback_frame_state.
7334         * config/rs6000/linux-unwind.h, config/rs6000/linux.h,
7335         config/rs6000/linux64.h: Likewise.  Split out get_sigcontext
7336         function.  Use ARG_POINTER_REGNUM for 32-bit temp reg too.
7337
7338 2004-09-07  Jan Hubicka  <jh@suse.cz>
7339
7340         * cse.c (fold_rtx):  Avoid building of
7341         (CONST (MINUS (CONST_INT) (SYMBOL_REF)))
7342
7343         * tree-ssa-pre.c (grand_bitmap_obstack): New.
7344         (value_insert_into_set_bitmap, bitmap_set_new): Use the obstack.
7345         (init_pre): Initialize obstack.
7346         (fini_pre): Free obstack.
7347
7348 2004-09-07  David Daney  <ddaney@avtrex.com>
7349
7350         * config.gcc: Added support for --with-divide=[breaks|traps] for
7351         mips targets.
7352         * config/mips/mips.h (MASK_DIVIDE_BREAKS): New target_flags bit.
7353         (TARGET_DIVIDE_TRAPS): New macro.
7354         (TARGET_SWITCHES): Added -mdivide-traps and -mdivide-breaks.
7355         (OPTION_DEFAULT_SPECS): Added --with-divide= support.
7356         * config/mips/mips.c (mips_idiv_insns): Generate proper count on
7357         GENERATE_DIVIDE_TRAPS.
7358         (mips_output_division): Emit conditional trap if
7359         GENERATE_DIVIDE_TRAPS is set.
7360         * doc/install.texi: Document --with-divide.
7361         * doc/invoke.texi: Document -mdivide-traps and -mdivide-breaks.
7362
7363 2004-09-07  Caroline Tice  <ctice@apple.com>
7364
7365         * cfgrtl.c (rtl_verify_flow_info_1):  Add new edge flag,
7366         EDGE_CROSSING, to flags test case.
7367
7368 2004-09-07  Jan Hubicka  <jh@suse.cz>
7369
7370         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Deal with '<'
7371         class too.
7372
7373 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
7374
7375         * cfganal.c (flow_depth_first_order_compute, dfs_enumerate_from,
7376         cfgbuild.c, inside_basic_block_p, control_flow_insn_p,
7377         make_label_edge, make_edges, find_basic_blocks_1): Use gcc_assert
7378         or gcc_unreachable.
7379         * cfg.c (clear_edges, initialize_bb_rbi, compact_blocks,
7380         remove_edge, alloc_aux_for_blocks, free_aux_for_blocks,
7381         alloc_aux_for_edges, free_aux_for_edges): Likewise.
7382         * cfgcleanup.c (try_forward_edges,
7383         merge_blocks_move_predecessor_nojumps,
7384         merge_blocks_move_successor_nojumps): Likewise.
7385         * cfgexpand.c (expand_gimple_cond_expr,
7386         expand_gimple_tailcall): Likewise.
7387         * cfghooks.c (duplicate_block): Likewise.
7388         * cfglayout.c (record_effective_endpoints,
7389         insn_locators_initialize, change_scope, fixup_reorder_chain,
7390         verify_insn_chain, fixup_fallthru_exit_predecessor,
7391         duplicate_insn_chain, cfg_layout_finalize): Likewise.
7392         * cfgloopanal.c (check_irred): Likewise.
7393         * cfgloop.c (superloop_at_depth, flow_loops_free,
7394         flow_loop_entry_edges_find, flow_loops_find,
7395         flow_loop_outside_edge_p, get_loop_body,
7396         get_loop_body_in_dom_order, get_loop_body_in_bfs_order,
7397         get_loop_exit_edges, num_loop_branches, cancel_loop,
7398         verify_loop_structure): Likewise.
7399         cfgloopmanip.c (find_path, remove_path, loop_delete_branch_edge,
7400         duplicate_loop_to_header_edge, create_preheader,
7401         create_loop_notes): Likewise.
7402         * cfgrtl.c (delete_insn, try_redirect_by_replacing_jump,
7403         edirect_branch_edge, force_nonfallthru_and_redirect,
7404         rtl_split_edge, insert_insn_on_edge, commit_one_edge_insertion,
7405         commit_edge_insertions, commit_edge_insertions_watch_calls,
7406         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
7407         cfg_layout_redirect_edge_and_branch_force,
7408         cfg_layout_merge_blocks, rtl_flow_call_edges_add): Likewise.
7409         * cgraph.c (cgraph_node, cgraph_create_edge, cgraph_remove_edge,
7410         cgraph_redirect_edge_callee, cgraph_global_info, cgraph_rtl_info,
7411         cgraph_varpool_node): Likewise.
7412         * cgraphunit.c (cgraph_finalize_function,
7413         cgraph_finalize_compilation_unit, cgraph_mark_functions_to_output,
7414         cgraph_expand_function, cgraph_remove_unreachable_nodes,
7415         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
7416         cgraph_mark_inline, cgraph_expand_all_functions,
7417         cgraph_build_static_cdtor): Likewise.
7418         * combine.c  (do_SUBST, try_combine, subst, combine_simplify_rtx,
7419         simplify_logical, distribute_notes, insn_cuid): Likewise.
7420         * conflict.c (conflict_graph_add, print_conflict): Likewise.
7421         * coverage.c (rtl_coverage_counter_ref, tree_coverage_counter_ref,
7422         coverage_checksum_string): Likewise.
7423         * cse.c (make_new_qty, make_regs_eqv, insert, invalidate,
7424         hash_rtx, exp_equiv_p, cse_basic_block, count_reg_usage,
7425         cse_cc_succs, cse_condition_code_reg): Likewise.
7426         * cselib.c (entry_and_rtx_equal_p, remove_useless_values,
7427         rtx_equal_for_cselib_p, wrap_constant, cselib_hash_rtx,
7428         new_cselib_val, cselib_subst_to_values, cselib_invalidate_regno,
7429         cselib_record_set): Likewise.
7430
7431 2004-09-07  Jan Hubicka  <jh@suse.cz>
7432
7433         * tree-ssa-loop-ivopts.c (iv_value): Avoid invalid sharing on niter.
7434
7435 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
7436
7437         * builtins.c (fold_builtin_strchr): Use build_int_cst, not
7438         fold_convert.
7439         (fold_builtin_strpbrk): Likewise.
7440         * expr.c (array_ref_low_bound): Likewise.
7441         * tree-scalar-evolution.c (chrec_is_positive, add_to_evolution_1,
7442         interpret_rhs_modify_expr, number_of_iterations_in_loop): Likewise.
7443         * tree-sra.c (generate_element_zero): Likewise.
7444         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
7445         * tree-ssa-loop-ivopts.c (determine_biv_step, idx_find_step,
7446         add_old_iv_candidates, add_iv_candidates): Likewise.
7447         * tree-tailcall.c (tree_optimize_tail_calls_1): Likewise.
7448
7449 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
7450
7451         * c-aux-info.c (gen_type): Use gcc_assert or gcc_unreachable.
7452         * c-common.c (c_type_hash, c_common_nodes_and_builtins,
7453         c_expand_expr, boolean_increment, nonnull_check_p,
7454         check_function_arguments_recurse, fold_offsetof_1): Likewise.
7455         * c-cppbuiltin.c (define__GNUC__, builtin_define_stdint_macros,
7456         builtin_define_type_max): Likewise.
7457         * c-decl.c (bind, pop_scope, merge_decls, pushdecl_top_level,
7458         implicit_decl_warning, builtin_function, build_compound_literal,
7459         complete_array_type, grokdeclarator, get_parm_info,
7460         start_function, store_parm_decls_oldstyle,
7461         c_write_global_declarations): Likewise.
7462         * c-format.c (get_constant, decode_format_attr,
7463         maybe_read_dollar_number, get_flag_spec, check_format_arg,
7464         check_format_types, format_type_warning,
7465         find_char_info_specifier_index, init_dynamic_asm_fprintf_info,
7466         init_dynamic_diag_info, handle_format_attribute): Likewise.
7467         * c-gimplify.c (push_context, pop_context, finish_bc_block):
7468         * c-lex.c (c_lex_with_flags, lex_string): Likewise.
7469         * c-objc-common.c (c_tree_printer): Likewise.
7470         * c-pch.c (pch_init): Likewise.
7471         * c-pragma.c (maybe_apply_pragma_weak): Likewise.
7472         * c-pretty-print.c (pp_c_tree_decl_identifier): Likewise.
7473         * c-typeck.c (c_incomplete_type_error, composite_type,
7474         common_pointer_type, common_type, same_translation_unit_p,
7475         tagged_types_tu_compatible_p, finish_init, pop_init_level,
7476         set_designator, set_nonincremental_init_from_string,
7477         process_init_element, c_finish_if_stmt): Likewise.
7478         * caller-save.c (init_caller_save, save_call_clobbered_regs,
7479         insert_restore, insert_save, insert_one_insn): Likewise.
7480         * calls.c (emit_call_1, compute_argument_block_size,
7481         precompute_arguments, expand_call, emit_library_call_value_1,
7482         store_one_arg): Likewise.
7483
7484 2004-09-07  Nathan Sidwell  <nathan@codesourcery.com>
7485
7486         * configure.ac (enable-checking): Add release option. Reorganize
7487         to avoid repetition.
7488         * configure: Rebuilt.
7489         * doc/install.texi (enable-checking): Amend documentation.
7490
7491 2004-09-06  H.J. Lu  <hongjiu.lu@intel.com>
7492
7493         PR bootstrap/17313
7494         * Makefile.in (specs.ready): Depend on cc1$(exeext).
7495
7496 2004-09-06  James E Wilson  <wilson@specifixinc.com>
7497
7498         * config/mips/mips.md (movsf_hardfloat, movdf_hardfloat_64bit,
7499         movdf_hardfloat_32bit): Split fG into two alternatives.
7500         (movv2sf_hardfloat_64bit): Split fYG into two alternatives.
7501
7502         * emit-rtl.c (try_split): Check INSN_P before may_trap_p call.
7503
7504 2004-09-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
7505
7506         * final.c (output_in_slot): Delete.
7507         (final_scan_insn): Revert 2004-09-03 change.
7508         (output_asm_insn): Likewise.
7509         * config/sparc/sparc.c (output_return): Likewise.
7510         (output_sibcall): Likewise.
7511
7512 2004-09-06  Jan Hubicka  <jh@suse.cz>
7513
7514         * loop.c (loop_dump_aux): Do not print RTL when not available.
7515         * tree-ssa-loop-ivopts.c (add_standard_iv_candidates): Do not use
7516         frontend specific type nodes.
7517         (produce_memory_decl_rtl): Break out from ...
7518         (prepare_decl_rtl): ... here.  Handle ADDR_EXPR correctly.
7519         (get_computation_at): Avoid random tree sharing.
7520         (tree_ssa_iv_optimize): Verify tree sharing; dump loops.
7521
7522 2004-09-06  Zack Weinberg  <zack@codesourcery.com>
7523
7524         * Makefile.in (rtl.o, bitmap.o): Correct dependencies, remove
7525         unnecessary commands.
7526
7527 2004-09-06  Mohan Embar  <gnustuff@thisiscool.com>
7528
7529         * Makefile.in (rtl.o): Remove -DGENERATOR_FILE.
7530         (bitmap.o): Likewise.
7531
7532 2004-09-06  Paolo Bonzini  <bonzini@gnu.org>
7533
7534         Unify the management of RTL and tree-level dump files.
7535
7536         * cfgexpand.c (tree_expand_cfg): Fix incorrect comment.
7537         Don't print function name to the dump file, the pass manager
7538         would do this for us. Add code from the top of
7539         rest_of_compilation, up to the initial RTL dump.
7540         * passes.c (rest_of_handle_jump): Call fixup_tail_calls and
7541         close the DFI_sibling dump file.
7542         (rest_of_compilation): Don't do that here.  Remove code up to the
7543         initial RTL dump.
7544         (init_optimization_passes): Remove.
7545         (pass_rest_of_compilation): Change pass name to NULL.
7546         * toplev.c (lang_dependent_init): Do not use an empty dump file prefix.
7547         Do not call init_optimization_passes.
7548         * toplev.h (init_optimization_passes): Remove.
7549
7550         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7551         finish_graph_dump_file): Remove SUFFIX parameter.
7552         * graph.h (print_rtl_graph_with_bb, clean_graph_dump_file,
7553         finish_graph_dump_file): Likewise.
7554
7555         * tree-pass.h (struct tree_opt_pass): Add `letter' field.
7556         * cfgexpand.c (pass_expand): Adjust.
7557         * gimple-low.c (pass_lower_cf, pass_remove_useless_vars): Adjust.
7558         * passes.c (pass_rest_of_compilation): Adjust.
7559         * predict.c (pass_profile): Adjust.
7560         * tree-alias-common.c (pass_build_pta, pass_del_pta): Adjust.
7561         * tree-cfg.c (pass_build_cfg, pass_remove_useless_stmts,
7562         pass_split_crit_edges, pass_warn_function_return): Adjust.
7563         * tree-complex.c (pass_lower_vector_ssa, pass_pre_expand): Adjust.
7564         * tree-dfa.c (pass_referenced_vars): Adjust.
7565         * tree-eh.c (pass_lower_eh): Adjust.
7566         * tree-if-conv.c (pass_build_ssa): Adjust.
7567         * tree-into-ssa.c (pass_build_ssa): Adjust.
7568         * tree-mudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
7569         * tree-nomudflap.c (pass_mudflap_1, pass_mudflap_2): Adjust.
7570         * tree-nrv.c (pass_nrv): Adjust.
7571         * tree-optimize.c (pass_gimple, pass_all_optimizations,
7572         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7573         pass_init_datastructures): Adjust.
7574         * tree-outof-ssa.c (pass_del_ssa): Adjust.
7575         * tree-profile.c (pass_tree_profile): Adjust.
7576         * tree-sra.c (pass_sra): Adjust.
7577         * tree-ssa-alias.c (pass_may_alias): Adjust.
7578         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Adjust.
7579         * tree-ssa-copyrename.c (pass_rename_ssa_copies): Adjust.
7580         * tree-ssa-dce.c (pass_dce, pass_cd_dce): Adjust.
7581         * tree-ssa-dom.c (pass_dominator): Adjust.
7582         * tree-ssa-dse.c (pass_dse): Adjust.
7583         * tree-ssa-forwprop.c (pass_forwprop): Adjust.
7584         * tree-ssa-if-conv.c (pass_if_conversion): Adjust.
7585         * tree-ssa-loop-ch.c (pass_ch): Adjust.
7586         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_lim,
7587         pass_loop_done, pass_complete_unroll, pass_iv_canon,
7588         pass_iv_optimize, pass_vectorize): Adjust.
7589         * tree-ssa-phiopt.c (pass_phiopt): Adjust.
7590         * tree-ssa-pre.c (pass_pre, pass_fre): Adjust.
7591         * tree-ssa.c (pass_redundant_phi, pass_early_warn_uninitialized,
7592         pass_late_warn_uninnitialized): Adjust.
7593         * tree-tailcall.c (pass_tail_recursion, pass_tail_calls): Adjust.
7594
7595         * Makefile.in (tree-dump.o): Add new dependencies.
7596         * cgraph.c (cgraph_remove_node): TDF_all -> TDF_tree_all.
7597         * cgraphunit.c (cgraph_preserve_function_body_p, cgraph_optimize):
7598         Likewise.
7599         * toplev.c (dump_file_name): New.
7600         * tree-dump.c (dump_enable_all): Add LETTER parameter.
7601         (struct dump_file_info): Add NUM and LETTER fields.
7602         (dump_files): Adjust and add RTL dump files.
7603         (dump_register): Add NUM and LETTER fields.
7604         (get_dump_file_name, dump_initialized_p, enable_rtl_dump_file): New.
7605         (dump_begin): Use get_dump_file_name.
7606         (dump_switch_p_1): Adjust call to dump_enable_all.
7607         * tree-dump.h (dump_register): Adjust prototype.
7608         * tree-optimize.c (register_one_dump_file): Take dump file index.
7609         Support flags for RTL dumps.
7610         (register_dump_files): Fill in NUM field of struct dump_file_info.
7611         Track properties both when the gate is executed and when it is not.
7612         (execute_todo): Dump RTL.  Add PROPERTIES parameter.
7613         (execute_one_pass): Pass properties to execute_todo.  Handle VCG
7614         dumps of RTL.
7615         * tree-pass.h (dump_file_name): New.
7616         * tree.h (TDF_TREE, TDF_RTL, get_dump_file_name, dump_initialized_p):
7617         New.
7618
7619         * Makefile.in (passes.o): Add new dependencies.
7620         * passes.c (struct dump_file_info, enum dump_file_index,
7621         dump_file_tbl, init_optimization_passes): Remove.
7622         (open_dump_file, close_dump_file): Use tree-dumping infrastructure.
7623         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc): Use
7624         dump_enabled_p.
7625         (finish_optimization_passes): Update finish_graph_dump_file loop.
7626         (enable_rtl_dump_file): Remove.
7627         * tree-dump.c (dump_files): Adjust and add RTL dump files.
7628         (enable_rtl_dump_file): Add here.
7629         * tree.h (enum tree_dump_index): Add RTL dump file indices.
7630         * doc/invoke.texi (Debugging options): Document new RTL debugging
7631         options.  Update.
7632
7633 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
7634
7635         * c-common.c, c-decl.c, combine.c, defaults.h, fold-const.c,
7636         gimplify.c, gthr-nks.h, hooks.c, lambda-code.c, lambda-mat.c,
7637         stor-layout.c, target.h, tree-cfg.c, tree-chrec.c,
7638         tree-if-conv.c, tree-inline.c, tree-into-ssa.c,
7639         tree-mudflap.c, tree-optimize.c, tree-scalar-evolution.c,
7640         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-dce.c,
7641         tree-ssa-pre.c, tree-vectorizer.c, tree-vectorizer.h, tree.h,
7642         vec.h: Fix comment formatting.
7643
7644 2004-09-05  Kazu Hirata  <kazu@cs.umass.edu>
7645
7646         * c-common.c, cfgexpand.c, cgraphunit.c, defaults.h,
7647         et-forest.c, expr.c, gimplify.c, global.c, gthr-lynx.h,
7648         hard-reg-set.h, modulo-sched.c, optabs.c, postreload-gcse.c,
7649         tree-data-ref.c, tree-flow.h, tree-if-conv.c, tree-inline.c,
7650         tree-sra.c, tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
7651         tree-ssa-loop-niter.c, tree-ssa-operands.c,
7652         tree-ssa-operands.h, tree-ssa-propagate.c,
7653         tree-ssa-propagate.h, tree-ssa-threadupdate.c, value-prof.c,
7654         vec.c, vec.h: Fix comment typos.  Follow spelling conventions.
7655
7656 2004-09-05  Diego Novillo  <dnovillo@redhat.com>
7657
7658         * tree-if-conv.c (gate_tree_if_conversion): Enable only if the
7659         vectorizer is enabled.
7660
7661 2004-09-05  Andreas Jaeger  <aj@suse.de>
7662
7663         * tree-if-conv.c: Spell check comments and clean up whitespace.
7664
7665 2004-09-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
7666
7667         * tree-ssa-loop-ivopts.c: New file.
7668         * Makefile.in (tree-ssa-loop-ivopts.c): Add.
7669         * cfgloop.h (target_avail_regs, target_res_regs, target_small_cost,
7670         target_pres_cost, target_spill_cost): Declare.
7671         * cfgloopanal.c (avail_regs, res_regs, small_cost, pres_cost,
7672         spill_cost): Renamed to ...
7673         (target_avail_regs, target_res_regs, target_small_cost,
7674         target_pres_cost, target_spill_cost): ... and exported.
7675         (init_set_costs, global_cost_for_size): Work with renamed variables.
7676         * common.opt (flag_ivopts): New flag.
7677         * expr.c (expand_expr_real_1): Handle SSA_NAME case.  Handle
7678         REF_ORIGINAL.
7679         * gimplify.c (struct gimplify_ctx): Add into_ssa field.
7680         (internal_get_tmp_var, gimplify_modify_expr, gimplify_expr): Support
7681         generating SSA form.
7682         (force_gimple_operand): New function.
7683         * timevar.def (TV_TREE_LOOP_IVOPTS): New timevar.
7684         * tree-cfg.c (stmt_bsi): New function.
7685         * params.def (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
7686         PARAM_IV_MAX_CONSIDERED_USES): New.
7687         * tree-flow.h (stmt_bsi, tree_ssa_iv_optimize, split_loop_exit_edge,
7688         bsi_insert_on_edge_immediate_loop. standard_iv_increment_position,
7689         ip_end_pos, ip_normal_pos, force_gimple_operand): Declare.
7690         * tree-gimple.c (is_gimple_formal_tmp_var): Accept ssa names.
7691         * tree-nested.c (build_addr): Export.
7692         * tree-optimize.c (init_tree_optimization_passes): Add
7693         pass_iv_optimize.
7694         * tree-pass.h (pass_iv_optimize): Declare.
7695         * tree-ssa-loop-im.c (for_each_index): Handle REALPART_EXPR and
7696         IMAGPART_EXPR.
7697         * tree-ssa-loop-manip.c (create_iv): Force the base to be acceptable
7698         as a phi node argument.
7699         (split_loop_exit_edge, bsi_insert_on_edge_immediate_loop,
7700         ip_end_pos, ip_normal_pos, standard_iv_increment_position): New
7701         functions.
7702         * tree-ssa-loop-niter.c (zero_p, unsigned_type_for): Export.
7703         * tree-ssa-loop.c (tree_ssa_loop_ivopts, gate_tree_ssa_loop_ivopts,
7704         pass_iv_optimize): New pass.
7705         * tree-ssa-operands.c (get_indirect_ref_operands): Handle REF_ORIGINAL.
7706         * tree-ssanames.c (release_ssa_name): Allow calling with var = NULL.
7707         * tree.c (build_int_cst_type, cst_and_fits_in_hwi): New functions.
7708         * tree.h (REF_ORIGINAL): New macro.
7709         (build_int_cst_type, unsigned_type_for, zero_p,
7710         cst_and_fits_in_hwi, build_addr): Declare.
7711         * doc/invoke.texi (-fivopts): Document.
7712         (PARAM_IV_CONSIDER_ALL_CANDIDATES_BOUND,
7713         PARAM_IV_MAX_CONSIDERED_USES): Document.
7714         * doc/passes.texi: Document induction variable optimizations pass.
7715
7716 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7717
7718         * builtin-attrs.def (ATTR_NOTHROW_SENTINEL_1): New.
7719         * builtins.def (BUILT_IN_EXECLE): Set ATTR_NOTHROW_SENTINEL_1.
7720         * c-common.c (c_common_attribute_table): Accept parameters to
7721         sentinel attribute.
7722         (check_function_sentinel, handle_sentinel_attribute): Likewise.
7723         * doc/extend.texi: Update accordingly.
7724
7725 2004-09-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7726
7727         * builtin-attrs.def (ATTR_SENTINEL, ATTR_SENTINEL_NOTHROW_LIST):
7728         New.
7729         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP): Add `sentinel'
7730         attribute.
7731         * c-common.c (handle_sentinel_attribute, check_function_sentinel):
7732         New functions.
7733         (c_common_attribute_table): Add `sentinel' attribute.
7734         (check_function_arguments): Handle `sentinel' attribute.
7735         * doc/extend.texi: Document `sentinel' attribute.
7736
7737 2004-09-04  H.J. Lu  <hongjiu.lu@intel.com>
7738
7739         * configure: Regenerated.
7740
7741 2004-09-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7742
7743         * gimplify.c (internal_get_tmp_var): Remove unused var CLASS.
7744
7745         * tree.c (save_expr): No longer TREE_READONLY.
7746
7747 2004-09-04  Jan Hubicka  <jh@suse.cz>
7748
7749         * passes.c (rest_of_clean_state):  Fix merge conflict made during
7750         commiting the patch.
7751
7752 2004-09-04  Jan Hubicka  <jh@suse.cz>
7753
7754         * passes.c (rest_of_clean_state):  Decompose the instruction stream.
7755
7756 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
7757
7758         * doc/md.texi (shift patterns): New anchor.  Add reference to
7759         TARGET_SHIFT_TRUNCATION_MASK.
7760         * doc/tm.texi (TARGET_SHIFT_TRUNCATION_MASK): Document.
7761         * target.h (shift_truncation_mask): New target hook.
7762         * targhook.h (default_shift_truncation_mask): Declare.
7763         * targhook.c (default_shift_truncation_mask): Define.
7764         * target-def.h (TARGET_SHIFT_TRUNCATION_MASK): Define.
7765         (TARGET_INITIALIZER): Include it.
7766         * simplify-rtx.c (simplify_binary_operation): Combine ASHIFT, ASHIFTRT
7767         and LSHIFTRT cases.  Truncate arg1 if SHIFT_COUNT_TRUNCATED, otherwise
7768         reject all out-of-range values.  Fix sign-extension code for modes
7769         whose width is smaller than HOST_BITS_PER_WIDE_INT.
7770         * optabs.c (simplify_expand_binop, force_expand_binop): New functions.
7771         (expand_superword_shift, expand_subword_shift): Likewise.
7772         (expand_doubleword_shift_condmove, expand_doubleword_shift): Likewise.
7773         (expand_binop): Use them to implement double-word shifts.
7774         * config/arm/arm.c (arm_shift_truncation_mask): New function.
7775         (TARGET_SHIFT_TRUNCATION_MASK): Define.
7776
7777 2004-09-04  Jan Hubicka  <jh@suse.cz>
7778
7779         * tree.c (iterate_hash_expr): Optimize, avoid use of iterative_hash_object.
7780         (mix): New macro copied from hashtab.c
7781         (iterative_hash_hashval_t, iterative_hash_pointer,
7782         iterative_hash_host_wide_int): New functions based on hashtab.c
7783         implementation.
7784
7785 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
7786
7787         * config/mips/mips.md (mask): New mode attribute.
7788         (zero_extendsidi2): Add memory alternative.
7789         (*zero_extendsidi2_mem): Delete.
7790         (zero_extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.  Use
7791         memory_operand in the TARGET_MIPS16 check.
7792         (*zero_extend[qh]i[sd]i2{,_mips16}): Name previously unnamed patterns.
7793         Redefine using :GPR and :SHORT.
7794         (zero_extendqihi2): Use memory_operand in the TARGET_MIPS16 check.
7795
7796 2004-09-04  Uros Bizjak  <uros@kss-loka.si>
7797
7798         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_RINT{,F,L}
7799         using rint_optab.
7800         (expand_builtin): Expand BUILT_IN_RINT{,F,L} using
7801         expand_builtin_mathfn.
7802         * genopinit.c (optabs): Rename trunc_optab to btrunc_optab. Use
7803         btrunc?f patterns for btrunc_optab. Implement rint_optab using
7804         rint?f patterns.
7805         * optabs.c (init_optabs): Initialize rint_optab.
7806         * optabs.h (enum optab_index): Rename OTI_trunc to OTI_btrunc.
7807         Add new OTI_rint.
7808         (btrunc_optab): Rename macro from trunc_optab.
7809         (rint_optab): Define corresponding macro.
7810
7811         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT_FLOOR,
7812         UNSPEC_FRNDINT_CEIL, UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM.
7813
7814         * config/i386/i386-protos.h (emit_i387_cw_initialization):
7815         Change prototype. Add new int parameter.
7816         * config/i386/i386.c (emit_i387_cw_initialization):
7817         Handle new rounding modes.
7818
7819         * config/i386/i386.h (enum fp_cw_mode): Delete.
7820         (MODE_NEEDED): Handle new rounding modes.
7821         (EMIT_MODE_SET): Change condition to handle new rounding modes.
7822
7823         * config/i386/i386.md (UNSPEC_FRNDINT_FLOOR, UNSPEC_FRNDINT_CEIL,
7824         UNSPEC_FRNDINT_TRUNC, UNSPEC_FRNDINT_MASK_PM): New unspecs to
7825         represent different rounding modes of frndint insn.
7826         (type): Add frndint type.
7827         (i387, length, memory): Handle this type.
7828         (i387_cw): New attribute definition.
7829         (*fix_truncdi_1, fix_truncdi_nomemory, fix_truncdi_memory,
7830         *fix_truncsi_1, fix_truncsi_nomemory, fix_truncsi_memory,
7831         *fix_trunchi_1, fix_trunchi_nomemory, fix_trunchi_memory):
7832         Add "i387_cw" attribute defined to "trunc".
7833         (x86_fnstcw_1): Remove comment.
7834         (*frndintxf2): Rename insn definition to frndintxf2. Move
7835         insn definition near rint?f2 expanders.
7836         (rintdf2, rintsf2, rintxf2): New expanders to implement rint,
7837         rintf and rintl built-ins as inline x87 intrinsics.
7838         (frndintxf2_floor): New pattern to implement floor rounding
7839         mode with frndint x87 instruction.
7840         (floordf2, floorsf2, floorxf2): New expanders to implement floor,
7841         floorf and floorl built-ins as inline x87 intrinsics.
7842         (frndintxf2_ceil): New pattern to implement ceil rounding
7843         mode with frndint x87 instruction.
7844         (ceildf2, ceilsf2, ceilxf2): New expanders to implement ceil,
7845         ceilf and ceill built-ins as inline x87 intrinsics.
7846         (frndintxf2_trunc): New pattern to implement trunc rounding
7847         mode with frndint x87 instruction.
7848         (btruncdf2, btruncsf2, btruncxf2): New expanders to implement trunc,
7849         truncf and truncl built-ins as inline x87 intrinsics.
7850         (frndintxf2_mask_pm): New pattern to implement rounding
7851         mode with exceptions with frndint x87 instruction.
7852         (nearbyintdf2, nearbyintsf2, nearbyintxf2): New expanders to
7853         implement nearbyint, nearbyintf and nearbyintl built-ins as
7854         inline x87 intrinsics.
7855
7856 2004-09-04  Richard Sandiford  <rsandifo@redhat.com>
7857
7858         * config/mips/mips.md (SHORT): New mode macro.
7859         (size): New mode attribute.
7860         (extend[qh]i[sd]i2): Redefine using :GPR and :SHORT.
7861         (*extend[qh]i[sd]i2): New define_insn_and_split, combining previous
7862         *extend[qh]i[sd]i2 and *extend[qh]i[sd]i2_mem patterns.  Use only if
7863         !ISA_HAS_SEB_SEH.
7864         (*extend[qh]i[sd]i2_se[bh]): New pattern, combining previous
7865         *extend[qh]isi2_hw patterns and extending them to di.
7866         (extendqihi2): Implement as define_insn_and_split that produces
7867         extendqisi2 after reload.
7868
7869 2004-09-03  Devang Patel  <dpatel@apple.com>
7870
7871         * Makefile.in (OBJS-common): Add tree-if-conv.o
7872         (tree-if-conv.o): New rule.
7873         * cfgloop.c (flow_loop_exit_edges_find): Set EDGE_LOOP_EXIT flag.
7874         (get_loop_body_in_bfs_order): New.
7875         * cfgloop.h (get_loop_body_in_bfs_order): New.
7876         * tree-flow.h (enum move_pos): Move here from ..
7877         * tree-ssa-loop-im.c (enum move_pos): here.
7878         (movement_possibility): Make externally visible.
7879         * tree-optimize.c (init_tree_optimization_passes): New entry for
7880         if conversion pass.
7881         * tree-pass.h (pass_if_conversion): New.
7882         * tree-ssa-operands.c (get_expr_operands): Handle COND_EXPR.
7883         * tree-if-conv.c: New file.
7884         * doc/passes.texi: Document tree if-conversion pass.
7885         * doc/tree-ssa.texi: Same.
7886
7887 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
7888
7889         PR target/14925:
7890         Makefile.in (LIB2ADDEHSTATIC): New.
7891         (LIB2ADDEHSHARED): New.
7892         (LIBUNWIND): New.
7893         (LIBUNWINDDEP): New.
7894         (SHLIBUNWIND_LINK): New.
7895         (SHLIBUNWIND_INSTALL): New.
7896         (libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
7897         LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
7898         (clean): Remove libunwind*
7899         (stage1-start): Remove and copy stage1/libunwind*.
7900         (stage2-start): Remove and copy stage2/libunwind*.
7901         (stage3-start): Remove and copy stage3/libunwind*.
7902         (stage4-start): Remove and copy stage4/libunwind*.
7903         (stageprofile-start): Remove and copy stageprofile/libunwind*.
7904         (stagefeedback-start): Remove and copy stagefeedback/libunwind*.
7905
7906         * config.gcc (ia64*-*-linux*): Always add t-libunwind to
7907         tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
7908         tmake_file if --with-system-libunwind isn't used.
7909
7910         * config/ia64/t-glibc-libunwind: New file.
7911         * config/t-libunwind-elf: Likewise.
7912         * unwind-compat.c: Likewise.
7913         * unwind-compat.h: Likewise.
7914         * unwind-dw2-fde-compat.c: Likewise.
7915
7916         * config/ia64/t-glibc (LIB2ADDEH): Updated.
7917         * config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
7918
7919         * config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
7920         aliases if needed.
7921         * unwind-dw2-fde-glibc.c: Likewise.
7922         * unwind-dw2.c: Likewise.
7923
7924         * config/t-libunwind (LIB2ADDEH): Updated.
7925         (LIB2ADDEHSTATIC): New.
7926         (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
7927         (TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
7928
7929         * configure.ac: Change --enable-libunwind-exceptions to
7930         --with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
7931         * configure: Regenerated.
7932         * config.in: Updated.
7933
7934         * doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
7935         above and mention --with-system-libunwind.
7936         (ia64-*-hpux*): Mention --enable-libunwind-exceptions is
7937         removed in gcc 3.4.3 and later.
7938
7939         * gcc.c (init_spec): Add -lunwind to -lgcc_s if
7940         USE_LIBUNWIND_EXCEPTIONS is defined.
7941
7942         * mklibgcc.in: Support libunwind.
7943
7944 2004-09-03  H.J. Lu  <hongjiu.lu@intel.com>
7945
7946         * config/i386/i386.c (x86_branch_hints): Remove m_PENT4 and
7947         m_NOCONA.
7948
7949 2004-09-03  Richard Henderson  <rth@redhat.com>
7950
7951         PR middle-end/9997
7952         * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
7953         (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
7954         (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
7955         stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
7956         frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
7957         resize_stack_vars_conflict, add_stack_var_conflict,
7958         stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
7959         union_stack_vars, partition_stack_vars, dump_stack_var_partition,
7960         expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
7961         expand_one_static_var, expand_one_hard_reg_var,
7962         expand_one_register_var, expand_one_error_var, defer_stack_allocation,
7963         expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
7964         (expand_used_vars): Rewrite.
7965         * Makefile.in (cfgexpand.o): Update dependencies.
7966
7967 2004-09-04  Jan Hubicka  <jh@suse.cz>
7968
7969         * cfg.c (free_edge): Use ggc_free.
7970         (expunge_block): Use ggc_free.
7971         * passes.c (rest_of_clean_state): Free after compilation.
7972         * tree-ssa.c (delete_tree_ssa): Free annotations; call release_defs
7973         * tree-ssanames.c (release_defs): Ignore non-SSA_NAME arguments.
7974
7975 2004-09-03  James E Wilson  <wilson@specifixinc.com>
7976
7977         * tree-ssa-alias.c (may_be_aliased): Move TREE_STATIC check after
7978         DECL_EXTERNAL check.
7979
7980 2004-09-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7981
7982         * final.c (output_in_slot): New global variable.
7983         (final_scan_insn): Add new state '2' to the 'nopeepholes' parameter.
7984         Pass 2 as 'nopeepholes' to self for insns in a SEQUENCE.  Set
7985         'output_in_slot' before invoking output_asm_insn.
7986         (output_asm_insn): Add a space after the tab if 'output_in_slot'
7987         is set.
7988         * config/sparc/sparc.c (output_return): Pass 2 as 'nopeepholes' to
7989         final_scan_insn.
7990         (output_sibcall): Likewise.
7991
7992 2004-09-03  Jan Hubicka  <jh@suse.cz>
7993
7994         * tree-ssa-operands.c (fini_ssa_operands): ggc_free unused arrays.
7995         * tree-ssanames (init_ssanames): Likewise.
7996
7997 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
7998
7999         * stub-objc.c (objc_is_id, objc_declare_alias, objc_declare_class,
8000         objc_declare_protocols, objc_start_protocol,
8001         objc_start_class_interface, objc_start_category_interface,
8002         objc_continue_interface, objc_finish_interface,
8003         objc_add_instance_variable, objc_set_visibility, objc_set_method_type,
8004         objc_start_class_implementation, objc_start_category_implementation,
8005         objc_continue_implementation, objc_finish_implementation,
8006         objc_add_method_declaration, objc_start_method_definition,
8007         objc_finish_method_definition, objc_build_keyword_decl,
8008         objc_build_method_signature, objc_build_encode_expr,
8009         objc_build_protocol_expr, objc_build_selector_expr,
8010         objc_build_message_expr, objc_build_string_object,
8011         objc_get_class_reference, objc_get_protocol_qualified_type,
8012         objc_static_init_needed_p, objc_generate_static_init_call): New stubs.
8013
8014 2004-09-03  James E Wilson  <wilson@specifixinc.com>
8015
8016         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips3d.
8017
8018         * config/mips/generic.md (generic_frecip_fsqrt_step): New.
8019         * config/mips/mips-ps-3d.md (mips_rsqrt1_<fmt>): Use frsqrt1 type.
8020         (mips_rsqrt2_<fmt>): Use frsqrt2 type.
8021         (mips_recip1_<fmt>): Use frdiv1 type.
8022         (mips_recip2_<fmt>): Use frdiv2 type.
8023         * config/mips/mips.md (type): Add frdiv1, frdiv2, frsqrt1, frsqrt2.
8024         * config/mips/sb1.md (ir_sb1_fpu_2pipes, ir_sb1_fpu_1pipe): Add frdiv1
8025         and frsqrt1.
8026         (ir_sb1_fpu_step2_2pipes, ir_sb1_fpu_step2_1pipe): New.
8027
8028 2004-09-03  Daniel Jacobowitz  <dan@debian.org>
8029
8030         * reload.c (find_reloads): Swap operand_loc pointers for
8031         find_dummy_reload if we have swapped two operands.
8032
8033 2004-09-03  Hans-Peter Nilsson  <hp@axis.com>
8034
8035         * config/cris/cris.h (ASM_OUTPUT_CASE_END): Use prev_nonnote_insn
8036         to get the tablejump-insn before the jump-table label.
8037
8038 2004-09-03  Ziemowit Laski  <zlaski@apple.com>
8039
8040         * c-common.h (objc_is_id, objc_declare_alias, objc_declare_class,
8041         objc_declare_protocols, objc_build_message_expr,
8042         objc_finish_message_expr, objc_build_selector_expr,
8043         objc_build_protocol_expr, objc_build_encode_expr,
8044         objc_build_string_object, objc_get_protocol_qualified_type,
8045         objc_get_class_reference, objc_get_class_ivars,
8046         objc_start_class_interface, objc_start_category_interface,
8047         objc_start_protocol, objc_continue_interface, objc_finish_interface,
8048         objc_start_class_implementation, objc_start_category_implementation,
8049         objc_continue_implementation, objc_finish_implementation,
8050         objc_set_visibility, objc_set_method_type, objc_build_method_signature,
8051         objc_add_method_declaration, objc_start_method_definition,
8052         objc_finish_method_definition, objc_add_instance_variable,
8053         objc_build_keyword_decl, objc_build_throw_stmt, objc_begin_try_stmt,
8054         objc_finish_try_stmt, objc_begin_catch_clause,
8055         objc_finish_catch_clause, objc_build_finally_clause,
8056         objc_build_synchronized, objc_static_init_needed_p,
8057         objc_generate_static_init_call): New prototypes.
8058
8059 2004-09-03  Steve Ellcey  <sje@cup.hp.com>
8060
8061         * config/ia64/ia64.c (ia64_function_arg): Use PARALLEL even if there
8062         is only one reg.
8063         (ia64_function_value): Ditto.
8064
8065 2004-09-03  Jan Beulich  <jbeulich@novell.com>
8066
8067         * config.gcc: Resurrect NetWare as a target. Handle special case of
8068         Novell linker to be used (specified through --with-ld=) and threading
8069         model of either Posix (default) or NKS.
8070         * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
8071         of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
8072         * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
8073         * config/i386/netware.c, config/i386/netware.h: New.
8074         * config/i386/nwld.c, config/i386/nwld.h: New.
8075         * config/i386/netware-crt0.c: New.
8076         * config/i386/netware-libgcc.c: New.
8077         * config/i386/netware-libgcc.def: New.
8078         * config/i386/netware-libgcc.exp: New.
8079         * config/i386/t-netware, config/i386/t-nwld: New.
8080         * gthr-nks.h: New.
8081         * doc/install.texi: Document NKS threading model.
8082
8083 2004-09-03  Jan Beulich  <jbeulich@novell.com>
8084
8085         PR c/7054
8086         * defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
8087         * tree.h (initial_max_fld_align): Declare
8088         * stor-layout.c (initial_max_fld_align): Define and initialize.
8089         (maximum_field_alignment): Initialize to the same value.
8090         * common.opt: Add -fpack-struct= variant of switch.
8091         * opts.c: Handle -fpack-struct= variant of switch.
8092         * c-pragma.c: Change #pragma pack() handling so that it becomes
8093         compatible to other compilers: accept individual 'push' argument,
8094         make final pop restore (command line) default, correct interaction
8095         of push/pop and sole specification of a new alignment (so that the
8096         sequence #pragma pack(push) - #pragma pack(<n>) becomes identical
8097         to #pragma pack(push, <n>).
8098         * doc/extend.texi: New node "Structure-Packing Pragmas" under
8099         "Pragmas", describing #pragma pack.
8100         * doc/invoke.texi: Document -fpack-struct=<n> variant of switch.
8101         * doc/tm.texi: Adjust description for HANDLE_PRAGMA_PACK_PUSH_POP.
8102         Document new TARGET_DEFAULT_PACK_STRUCT.
8103
8104 2004-09-03  Devang Patel  <dpatel@apple.com>
8105
8106         * dwarf2out.c (gen_field_die). Equate decl number to die.
8107
8108 2004-09-03  Vladimir Makarov  <vmakarov@redhat.com>
8109
8110         PR target/15832
8111         * global.c (modify_reg_pav): New function.
8112         (make_accurate_live_analysis): Call the new function.  Move pavin
8113         modification by earlyclobber set into the new function.
8114
8115 2004-09-03  Andreas Schwab  <schwab@suse.de>
8116
8117         * config/m68k/m68k.c (output_andsi3): Use -1 instead of
8118         (HOST_WIDE_INT)0xffffffff since CONST_INT value are always sign
8119         extended.
8120
8121 2004-09-02  Jan Beulich  <jbeulich@novell.com>
8122
8123         * Makefile.in (LIB2ADDEHDEP): Add unwind.h and unwind-pe.h.
8124         * mklibgcc.in (libgcc_dep): New, covering general dependencies, but
8125         not unwind code specific ones.
8126         (libgcc2_c_dep): Replace general dependencies with use of libgcc_dep.
8127         Remove unwind code specific dependencies.
8128         (libgcov_c_dep): Replace general dependencies with use of libgcc_dep.
8129         Remove gbl-ctors.h.
8130         Add libgcc_dep to output generated for LIB2ADD, LIB2ADDEH, and
8131         LIB2ADD_ST. Add LIB2ADDEHDEP to output generated for LIB2ADDEH.
8132         * tsystem.h: Declare memcpy and memset when inhibit_libc.
8133
8134 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
8135
8136         * combine.c (try_combine): Delay modifying of insns which cannot
8137         be easily undone.
8138
8139 2004-09-02  Daniel Berlin  <dberlin@dberlin.org>
8140
8141         * gcc/common.opt: Rename ivcanon to tree-loop-ivcanon, tree-lim to
8142         tree-loop-im.
8143         * gcc/tree-ssa-loop.c: Ditto
8144         * gcc/tree-ssa-loop-ivcanon.c: Ditto
8145         * gcc/doc/invoke.texi: Ditto.
8146
8147 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
8148
8149         * c-decl.c (store_parm_decls_newstyle): Make static.
8150         (store_parm_decls_from): New function.
8151         * c-tree.h (store_parm_decls_newstyle): Remove prototype.
8152         (store_parm_decls_from): New prototype.
8153
8154 2004-09-02  David Edelsohn  <edelsohn@gnu.org>
8155
8156         * config/rs6000/rs6000.c (expand_block_move): Use SImode and
8157         HImode with STRICT_ALIGNMENT.
8158
8159 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
8160
8161         * config/arm/bpabi.h (TARGET_BPABI_CPP_BUILTINS): Define.
8162         (TARGET_OS_CPP_BUILTINS): Likewise.
8163         * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Include
8164         TARGET_BPABI_CPP_BUILTINS.
8165
8166 2004-09-02  Roman Zippel  <zippel@linux-m68k.org>
8167
8168         * combine.c (distribute_notes): Don't add REG_LABEL to jump insn.
8169
8170 2004-09-02  Eric Christopher  <echristo@redhat.com>
8171
8172         * builtins.c (expand_builtin_cabs): Delete.
8173         (expand_builtin): If unable to fold the values do a normal
8174         library call for builtin_cab*.
8175         (fold_builtin_cabs): Depend on optimize and optimize_size.
8176         * optabs.c (expand_cmplxdiv_straight): Delete.
8177         (expand_cmplxdiv_wide): Ditto.
8178         (expand_vector_binop): Ditto.
8179         (expand_vector_unop): Ditto.
8180         (expand_complex_abs): Delete.
8181         (expand_binop): Remove calls to above functions.
8182         Remove open coding of complex arithmetic.
8183         (expand_unop): Ditto.
8184         * optabs.h: Remove prototypes.
8185
8186 2004-09-02  Ziemowit Laski  <zlaski@apple.com>
8187
8188         * c-decl.c (store_parm_decls_newstyle): Make externally visible.
8189         * c-tree.h (store_parm_decls_newstyle): New prototype.
8190
8191 2004-09-02  Geoffrey Keating  <geoffk@apple.com>
8192
8193         * config/rs6000/rs6000.c (expand_block_clear): Use vector
8194         instructions if available.
8195         (expand_block_move): Likewise.
8196
8197 2004-09-03  Jan Hubicka  <jh@suse.cz>
8198
8199         * rtl.def (RANGE_INFO, RANGE_REG, RANGE_VAR, RANGE_LIVE): Kill.
8200
8201 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
8202
8203         * config/arm/symbian.h (LIB_SPEC): Define to empty.
8204         * config/arm/t-symbian (SHLIB_LC): Likewise.
8205
8206 2004-09-02  Paul Brook  <paul@codesourcery.com>
8207
8208         * config/arm/bpabi.c (__aeabi_ul2d, __aeabi_ul2f): Remove.
8209
8210 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
8211
8212         * config/mips/mips.c (mips_classify_symbol, mips_fetch_insns):
8213         (mips_restore_gp, mips_set_return_address, mips_expand_prologue)
8214         (mips16_fp_args, mips_avoid_hazard): Replace abort with gcc_assert.
8215         (build_mips16_call_stub): Likewise.  Remove daft CALL_INSN checks.
8216         (mips_issue_rate): Remove unreachable abort.
8217         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
8218         (mips_output_move, mips_relational_operand_ok_p, mips_arg_info)
8219         (mips_block_move_straight, print_operand_address, mips_file_start)
8220         (mips_initial_elimination_offset, mips16_fp_args, dump_constants_1)
8221         (mips_output_conditional_branch, mips_expand_builtin_direct)
8222         (mips_expand_builtin_compare): Replace abort with gcc_unreachable.
8223         * config/mips/mips.md (rotr<mode>3, consttable_float): Replace abort
8224         with gcc_assert.
8225
8226 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
8227
8228         * config/mips/mips.md (*lea_high64): Change split condition to
8229         flow2_completed.  Add a peephole2 to generate a more parallel version.
8230
8231 2004-09-02  Jan Hubicka  <jh@suse.cz>
8232
8233         * gimplify.c (gimplify_compound_lval): Move "stack" varray out of
8234         GGC.
8235
8236         * ggc-page.c: include tree-flow.h.
8237         (extra_order_size_table): Add stmt_ann_d.
8238         (STAT_LABEL): Rename from ....
8239         (LABEL): ... this one.
8240         * Makefile.in (ggc-page.o): Add dependency.
8241
8242         * ggc-common.c (ggc_force_collect): New global variable.
8243         (loc_description): Add fields "freed", "collected"
8244         (ptr_hash): New static hash
8245         (ptr_hash_entry): New structure.
8246         (hash_ptr,eq_ptr,ggc_prune_ptr): New static functions.
8247         (ggc_record_overhead): Take ptr argument, record it
8248         (ggc_prune_overhead_list, ggc_free_overhead): New functions.
8249         (cmp_statistics): Imrove sorting.
8250         (dump_ggc_loc_statistics): Output newly collected statistics
8251         * ggc-page.c (ggc_alloc): Update call of ggc_record_overhead
8252         (ggc_free): Call ggc_free_overhead.
8253         (ggc_collect): Force collection when asked to be forced.
8254         (ggc_collect): Call ggc_prune_overhead_list.
8255         * ggc.h (ggc_force_collect): Declare
8256         (ggc_record_overhead): Update prototype.
8257         (ggc_free_overhead, ggc_prune_overhead_list): Declare.
8258
8259 2004-09-02  James E Wilson  <wilson@specifixinc.com>
8260
8261         * common.opt (ftrapping-math): Default to on.
8262
8263 2004-09-02  Richard Earnshaw  <rearnsha@arm.com>
8264
8265         * arm/predicates.md (arm_reload_memory_operand): Allow MEM.
8266
8267 2004-09-02  Denis Chertykov  <denisc@overta.ru>
8268
8269         PR target/16884
8270         * config/avr/avr.md ("movmemhi"): Substitute match_dup to
8271         match_scratch.
8272         (*movmemqi_insn): Likewise.
8273         (*movmemhi): Likewise.
8274         (clrmemhi): Likewise.
8275         (*clrmemqi): Likewise.
8276         (*clrmemhi): Likewise.
8277
8278 2004-09-02  Paul Brook  <paul@codesourcery.com>
8279
8280         * config.gcc (arm*-*-eabi* | arm*-*-symbianelf*): Set
8281         default_use_cxa_atexit=yes.
8282
8283 2004-09-02  Alan Modra  <amodra@bigpond.net.au>
8284
8285         * config/rs6000/linux64.h: Don't include signal.h or sys/ucontext.h.
8286         (struct kernel_old_ucontext): Delete.
8287         (struct gcc_pt_regs, gcc_sigcontext, gcc_ucontext): New.
8288         (MD_FALLBACK_FRAME_STATE_FOR): Use gcc_* structs.  Only define
8289         when IN_LIGGCC2.
8290
8291 2004-09-02  Richard Sandiford  <rsandifo@redhat.com>
8292
8293         * toplev.c (process_options): Fix typo.
8294
8295 2004-09-01  Richard Henderson  <rth@redhat.com>
8296
8297         PR middle-end/17258
8298         * calls.c (initialize_argument_information): Tighten pass-through
8299         conditions for pass-by-reference.  Remove dead TARGET_EXPR code.
8300         Use build_fold_addr_expr.
8301         (emit_library_call_value_1): Use build_fold_addr_expr.  Remove code
8302         that assumes ADDR_EXPR allocates stack space.
8303         * fold-const.c (build_fold_addr_expr_with_type): Look through
8304         WITH_SIZE_EXPR.
8305
8306 2004-09-01  Dan Nicolaescu  <dann@ics.uci.edu>
8307
8308         * gengenrtl.c (gendef): Use rtx_alloc, don't do PUT_CODE.
8309         * ggc.h (ggc_alloc_rtx): Delete.
8310
8311 2004-09-01  Roger Sayle  <roger@eyesopen.com>
8312
8313         * expmed.c (enum alg_code): Remove long unused enumeration values.
8314         (struct mult_cost): New structure to hold the "score" of a synthetic
8315         multiply sequence, including both a rtx_cost and a latency field.
8316         (MULT_COST_LESS): New macro to compare mult_cost to a constant.
8317         (CHEAPER_MULT_COST): New macro to compare two mult_costs.
8318         (struct algorithm): Change type of cost field to be mult_cost.
8319         (synth_mult): Change type of cost_limit argument to be a
8320         pointer to a mult_cost.  Update all cost comparisons to use the
8321         new mult_cost infrastructure.  For alg_add_factor and
8322         alg_sub_factor operations, latency is lower than the rtx_cost.
8323         (choose_mult_variant):  Update calls to synth_mult.  Perform
8324         cost comparisons using the new mult_cost infrastructure.
8325         (expand_mult_highpart): Use alg.cost.cost instead of alg.cost
8326         to optain the total rtx_cost of a synth_mult "algorithm".
8327
8328 2004-09-01  David Edelsohn  <edelsohn@gnu.org>
8329
8330         * config/rs6000/power4.md: Increase store latency to 12.
8331         * config/rs6000/power5.md: Same.
8332
8333 2004-09-01  James E Wilson  <wilson@specifixinc.com>
8334
8335         PR target/14064
8336         * config/avr/avr.c (avr_unique_section): Delete prototype and
8337         definition.
8338         (TARGET_ASM_UNIQUE_SECTION): Delete.
8339
8340 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
8341
8342         * c-parse.in (primary): Call objc_build_message_expr(),
8343         objc_build_selector_expr(), objc_build_protocol_expr(),
8344         objc_build_encode_expr() and objc_build_string_object() instead of
8345         build_message_expr(), build_selector_expr(), build_protocol_expr(),
8346         build_encode_expr() and build_objc_string_object(), respectively.
8347         (component_decl_list2): Call objc_get_class_ivars() instead of
8348         get_class_ivars_from_name().
8349         (keyworddecl): Call objc_build_keyword_decl() instead of
8350         build_keyword_decl().
8351         (receiver): Call objc_get_class_reference() instead of
8352         get_class_reference().
8353         (reswords): Add blank line before @@ifobjc section, for clarity.
8354
8355 2002-09-01  Fariborz Jahanian <fjahanian@apple.com>
8356
8357         * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Restrict alignment
8358         to Altivec vetors.
8359
8360 2004-09-01  Wu Yongwei  <adah@sh163.net>
8361             Danny Smith  <dannysmith@users.sourceforge.net>
8362
8363         * gthr-win32.h (__gthread_recursive_mutex_t): Use 'unsigned long',
8364         not Windows 'DWORD'.
8365         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Correct typo.
8366         (__GTHREAD_RECURSIVE_MUTEX_INIT_DEFAULT): Likewise.
8367         (__gthr_win32_recursive_mutex_init_function): Add prototype for
8368         __GTHREAD_HIDE_WIN32API case..
8369         (__gthr_win32_recursive_mutex_lock): Likewise.
8370         (__gthr_win32_recursive_mutex_trylock): Likewise.
8371         (__gthr_win32_recursive_mutex_unlock): Likewise.
8372         (__gthread_recursive_mutex_init_function); Add definition for
8373         __GTHREAD_HIDE_WIN32API case.
8374         (__gthread_recursive_mutex_lock): Correct call to InterlockedDecrement.
8375         * config/i386/grthr-win32.c (__gthread_recursive_mutex_lock): Correct
8376         call to InterlockedDecrement.
8377
8378 2004-09-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8379
8380         * tree-tailcall.c (find_tail_calls): Also fail is statement has
8381         volatile operands.
8382
8383         * tree-ssa.c (propagate_into_addr): Properly test for LHR.
8384
8385         * doc/c-tree.texi: Document new operands for ARRAY_REF and
8386         COMPONENT_REF.
8387
8388 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8389
8390         * Makefile.in (rtl-profile.o, value-prof.o): Add GCC_H dependency.
8391         * common.opt (fspeculative-prefetching): New.
8392         * flags.h (flag_speculative_prefetching_set): Declare.
8393         * gcov-io.c (gcov_write_counter, gcov_read_counter): Allow negative
8394         values.
8395         * opts.c (flag_sepculative_prefetching_set): New variable.
8396         (common_handle_option): Handle -fspeculative-prefetching.
8397         * passes.c (rest_of_compilation): Ditto.
8398         * profile.c (instrument_values, compute_value_histograms, branch_prob):
8399         Use vectors instead of arrays.
8400         * toplev.c (process_options): Handle -fspeculative-prefetching.
8401         * rtl-profile.c: Include ggc.h.
8402         (rtl_gen_interval_profiler, rtl_gen_pow2_profiler,
8403         rtl_gen_one_value_profiler_no_edge_manipulation,
8404         rtl_gen_one_value_profiler, rtl_gen_const_delta_profiler): Type of
8405         argument changed.
8406         * tree-profile.c (tree_gen_interval_profiler, tree_gen_pow2_profiler,
8407         tree_gen_one_value_profiler, tree_gen_const_delta_profiler): Type of
8408         argument changed.
8409         * value-prof.c: Include ggc.h.
8410         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX): New
8411         macros.
8412         (insn_prefetch_values_to_profile, find_mem_reference_1,
8413         find_mem_reference_2, find_mem_reference, gen_speculative_prefetch,
8414         speculative_prefetching_transform): New.
8415         (value_profile_transformations): Call speculative_prefetching_transform.
8416         (insn_values_to_profile): Call insn_prefetch_values_to_profile.
8417         (insn_divmod_values_to_profile, rtl_find_values_to_profile,
8418         tree_find_values_to_profile, find_values to profile): Use vectors
8419         instead of arrays.
8420         (free_profiled_values): Removed.
8421         * value-prof.h (struct histogram_value): Renamed to
8422         struct histogram_value_t.
8423         (histogram_value, histogram_values): New types.
8424         (find_values_to_profile): Declaration changed.
8425         (free_profiled_values): Removed.
8426         (struct profile_hooks): Type of argument of the hooks changed to
8427         histogram_value.
8428         * doc/invoke.texi (-fspeculative-prefetching): Document.
8429
8430 2004-09-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
8431
8432         PR rtl-optimization/16408
8433         * gcse.c (replace_store_insn): Fix LIBCALL/RETVAL notes.
8434
8435 2004-09-01  Richard Henderson  <rth@redhat.com>
8436
8437         * config/ns32k/ns32k.h (TRANSFER_FROM_TRAMPOLINE): Remove.
8438         (TRAMPOLINE_TEMPLATE): Merge code from __trampoline inline.
8439
8440 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
8441
8442         * libgcc-std.ver (GCC_3.4.2): Export also __trampoline_setup.
8443
8444 2004-09-01  Mike Stump  <mrs@apple.com>
8445
8446         * config/darwin.c (machopic_symbol_defined_p): In addition to
8447         being SYMBOL_REF_LOCAL_P, a symbol must also be
8448         ! SYMBOL_REF_EXTERNAL_P, as only those are _always_ locally
8449         defined in this output file, or translation unit in the case
8450         of IMA not being used.
8451         (machopic_output_indirection): SYMBOL_REF_LOCAL_P symbols
8452         never need .indirect_symbol when indirecting.
8453
8454 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
8455
8456         * Makefile.in (bb-reorder.o): Add several dependencies.
8457
8458 2004-09-01  Jakub Jelinek  <jakub@redhat.com>
8459
8460         * fold-const.c (operand_equal_p): Require equal sign also for
8461         FIX_{CEIL,TRUNC,FLOOR,ROUND}_EXPR.
8462
8463 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
8464
8465         * config.gcc (--with-cpu on ARM): Preserve the canonical cpu name
8466         for use in configargs.h.  Put the cname in a separate variable.  Use
8467         that to set target_cpu_default2.
8468
8469 2004-09-01  J"orn Rennecke <joern.rennecke@superh.com>
8470             Nick Clifton  <nickc@redhat.com>
8471
8472         * config/sh/sh.md ("length"): Increase branch length when
8473         SH1 pic code to 18: 12 bytes of instructions, 4 byte for the
8474         constant, 2 byte for aligning the constant.
8475
8476 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
8477
8478         * arm/arm-cores.def (ARM_CORE): Add new field for the real name of the
8479         CPU.
8480         (arm7tdmi-s): New CPU name.
8481         * arm/arm.c (ARM_CORE): Update for new format.
8482         * arm/arm.h (ARM_CORE): Likewise.
8483         * arm/gentune.sh: Update for extra field.
8484         * config.gcc: Likewise.
8485         * arm/arm-tune.md: Regenerate.
8486         * doc/invoke.texi: Document the real processor names for ARM cpus.
8487
8488 2004-09-01  Richard Earnshaw  <rearnsha@arm.com>
8489
8490         * arm/ieee754-df.S (aeabi_ul2d, aeabi_l2d, floatundidf)
8491         (floatdidf): New functions.
8492         * arm/ieee754-sf.S (aeabi_ul2f, aeabi_l2f, floatundisf)
8493         (floatdisf): New functions.
8494         * t-arm-elf: Use them.
8495
8496 2004-09-01  Ziemowit Laski  <zlaski@apple.com>
8497
8498         * c-common.h (lookup_interface): Remove prototype.
8499         (is_class_name): Rename to objc_is_class_name.
8500         (lookup_objc_ivar): Rename to objc_lookup_ivar.
8501         (get_current_scope): Rename to objc_get_current_scope.
8502         * c-decl.c (get_current_scope): Rename to objc_get_current_scope.
8503         * c-parse.in (parmlist_or_identifiers_1): Get rid of unused variable.
8504         (yylexname): Call objc_is_class_name() instead of is_class_name().
8505         * c-typeck.c (build_external_ref): Call objc_lookup_ivar()
8506         instead of lookup_objc_ivar().
8507         * stub-objc.c (lookup_interface): Remove stub.
8508         (is_class_name): Rename to objc_is_class_name.
8509         (lookup_objc_ivar): Rename to objc_lookup_ivar.
8510
8511 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
8512
8513         * config.gcc (arm*-*-symbianelf*): Do not include t-bpabi.
8514         * config/arm/lib1funcs.asm: Do not include supplemental .S files
8515         when compiling for Symbian.
8516         * config/arm/symbian.h (RENAME_LIBRARY): New macro.
8517         (TARGET_OS_CPP_BUILTINS): Likewise.
8518         * config/arm/t-symbian (LIB1ASMFUNCS): Define.
8519
8520 2004-08-31  Stan Shebs  <shebs@apple.com>
8521
8522         * toplev.c (process_options): Ensure debug_hooks is initialized.
8523
8524 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
8525
8526         * target-def.h (TARGET_CXX): Add TARGET_CXX_EXPORT_CLASS_DATA.
8527         * target.h (cxx): Add export_class_data.
8528         * config/arm/arm.c (arm_cxx_export_class_data): New function.
8529         (TARGET_CXX_EXPORT_CLASS_DATA): Use it.
8530         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Document it.
8531
8532 2004-08-31  Kaz Kojima  <kkojima@gcc.gnu.org>
8533
8534         * config/sh/sh.c (output_branch): Check the insn length possibly
8535         in the delayed slot.
8536
8537 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8538
8539         * tree-pretty-print.c (dump_generic_node, case CONVERT_EXPR): Add
8540         blank after ')'.
8541         (op_symbol, case *_{DIV,MOD}_EXPR): Say what rounding is being used.
8542
8543         * c-common.c (c_alignof_expr): Use DECL_ALIGN_UNIT and TYPE_ALIGN_UNIT.
8544         (c_sizeof_of_alignof_type): Likewise.
8545         * expr.c (array_ref_element_size): Likewise.
8546         (highest_pow2_factor_for_target): Likewise.
8547         * gimplify.c (canonicalize_addr_expr): Likewise.
8548         (gimplify_compound_lval): Likewise.
8549         * stor-layout.c (finalize_record_size, finalize_type_size): Likewise.
8550         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
8551         * varasm.c (assemble_variable): Likewise.
8552         (output_constant_def_contents): Alignments are unsigned.
8553
8554 2004-08-31  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
8555             Jeff Law  <law@redhat.com>
8556
8557         * tree-cfg.c (cfg_remove_useless_stmts_bb): Also invalidate if VAL
8558         gets modified.
8559
8560 2004-08-31  Mark Mitchell  <mark@codesourcery.com>
8561
8562         * hooks.c (hook_bool_void_true): New function.
8563         * hooks.h (hook_bool_void_true): Declare.
8564         * target-def.h (TARGET_CXX): Add
8565         TARGET_CXX_KEY_METHOD_MAY_BE_INLINE.
8566         * target.h (struct cxx): Add key_method_may_be_inline.
8567         * config/arm/arm.c (arm_cxx_key_method_may_be_inline): New
8568         function.
8569         (TARGET_CXX_KEY_METHOD_MAY_BE_INLINE): New macro.
8570         * config/arm/bpabi.h: Use __THUMB_INTERWORK__ instead of
8571         __THUMB_INTERWORK.
8572
8573 2004-08-31  Denis Chertykov  <denisc@overta.ru>
8574
8575         PR target/15417
8576         * config/avr/avr.c (avr_hard_regno_mode_ok): Enable usage of
8577         frame pointer register only in Pmode while reload in progress.
8578
8579 2004-08-31  Stephane Carrez  <stcarrez@nerim.fr>
8580
8581         PR target/15334
8582         * config/m68hc11/m68hc11.c (m68hc11_override_options): Disable -fweb
8583         because it breaks the 32-bit shift patterns that rely on a match_dup.
8584
8585 2004-08-31  Matt Austern  <austern@apple.com>
8586
8587         * config/darwin.c (darwin_make_decl_one_only): Allocate section
8588         names once per compilation, instead of once per symbol.
8589
8590 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
8591
8592         * Makefile.in (build_subdir): New substitution.
8593         (fixinc.sh): Simplify heavily since fixincludes is already built.
8594         (stmp-fixinc): Depend on specs.ready.
8595         (install-mkheaders): Use new location of fixincludes.
8596         (clean): Do not descend into fixinc.
8597         (FORBUILD): Replace with ../$(build_subdir).
8598         * configure.ac (build_subdir): Substitute.
8599         (FORBUILD): Do not set.
8600         (all_outputs): Remove fixinc/Makefile.
8601         (default commands): Do not create links in fixinc.
8602         * mkfixinc.sh: New, from fixinc/mkfixinc.sh without
8603         the fixincludes configuration steps and substituting
8604         @FIXINCL@ in fixinc.in.
8605         * fixinc.in: New, from fixinc/fixincl.sh.
8606
8607         * fixinc/*: Removed.
8608
8609 2004-08-31  Joseph S. Myers  <jsm@polyomino.org.uk>
8610
8611         * attribs.c (strip_attrs): Remove.
8612         (split_specs_attrs): Move ...
8613         * c-decl.c: ... to here.
8614         * tree.h (split_specs_attrs, strip_attrs): Remove.
8615         * c-tree.h (split_specs_attrs): Declare.
8616
8617 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
8618
8619         * read-rtl.c: Disable RTL checking.
8620         (apply_macro_to_rtx): Use XTMPL to access 'T' fields.
8621
8622 2004-08-31  Richard Sandiford  <rsandifo@redhat.com>
8623
8624         * config/mips/mips.md (fcond): New code macro and attribute.
8625         (sunordered_[sd]f, suneq_[sd]f, sunlt_[sd]f, sunle_[sd]f)
8626         (seq_[sd]f, slt_[sd]f, sle_[sd]f): Redefine using :SCALARF and fcond.
8627         (sgt_[sd]f, sge_[sd]f): Redefine using :SCALARF.
8628
8629 2004-08-30  Mark Mitchell  <mark@codesourcery.com>
8630
8631         Revert:
8632         2004-08-29  Mark Mitchell  <mark@codesourcery.com>
8633         PR rtl-optimization/16590
8634         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
8635
8636 2004-08-30  Andrew Pinski  <apinski@apple.com>
8637
8638         * hard-reg-set.h:
8639         s/HOST_BITS_PER_WIDES_FAST_INT/HOST_BITS_PER_WIDEST_FAST_INT.
8640         * ChangeLog: Fix previous ChangeLog entry.
8641
8642         PR rtl-opt/13987
8643         * config.host (use_long_long_for_widest_fast_int): New, default is
8644         off.
8645         (ia64-*-hpux*): Enable use_long_long_for_widest_fast_int.
8646         * configure.ac: If use_long_long_for_widest_fast_int, then
8647         define USE_LONG_LONG_FOR_WIDEST_FAST_INT.
8648         * configure: Regenerate.
8649         * config.in: Regenerate.
8650         * hwint.h (HOST_WIDEST_FAST_INT, HOST_BITS_PER_WIDEST_FAST_INT):
8651         New: widest integer type supported efficiently in hardware for the
8652         host.
8653         * sbitmap.h (SBITMAP_ELT_BITS): Define based on
8654         HOST_BITS_PER_WIDEST_FAST_INT.
8655         (SBITMAP_ELT_TYPE): Define based on HOST_WIDEST_FAST_INT.
8656         * hard-reg-set.h (HARD_REG_ELT_TYPE): Define based on
8657         HOST_WIDEST_FAST_INT
8658         instead of HOST_WIDE_INT.
8659         (HARD_REG_SET_LONGS): Likewise.
8660         (UHOST_BITS_PER_WIDE_INT): Likewise.
8661         Change the checks for the fast cases to be based on
8662         HOST_BITS_PER_WIDEST_FAST_INT instead of HOST_BITS_PER_WIDE_INT.
8663
8664 2004-08-30  Steven Bosscher  <stevenb@suse.de>
8665
8666         * cfgcleanup.c (merge_memattrs): Look at the value of MEM_SIZE,
8667         not the pointers.
8668
8669 2004-08-30  Geoffrey Keating  <geoffk@apple.com>
8670
8671         PR 12738
8672         PR 17205
8673         Radar 3460526
8674         Radar 3775729
8675         * c-decl.c (grokdeclarator): Produce error for 'static' on local
8676         function declaration.
8677
8678 2004-08-30  Richard Henderson  <rth@redhat.com>
8679
8680         * expr.c (array_ref_element_size): Force aligned_size back to
8681         sizetype.
8682         (component_ref_field_offset): Similarly for aligned_offset.
8683         * tree.c (recompute_tree_invarant_for_addr_expr): Mark raw
8684         low-bound, element-size, field-offset fields rather than
8685         computed values.
8686
8687 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
8688
8689         * c-parse.in (parmlist_or_identifiers_1): Remove unreachable and
8690         redundant code.
8691
8692 2004-08-30  Joseph S. Myers  <jsm@polyomino.org.uk>
8693
8694         * c-tree.h (struct language_function): Add arg_info element.
8695         * c-decl.c (current_function_arg_info): New.
8696         (grokdeclarator, store_parm_decls): Use it instead of
8697         DECL_ARGUMENTS.
8698         (c_push_function_context, c_pop_function_context): Save and
8699         restore it.
8700
8701 2004-08-30  Richard Henderson  <rth@redhat.com>
8702
8703         * c-typeck.c (build_unary_op): Don't expand ADDR_EXPR of a
8704         COMPONENT_REF to pointer arithmetic.
8705         * varasm.c (initializer_constant_valid_p): Allow "&(*c).f", for
8706         constant "c" as a valid constant initializer.  Allow narrowing of
8707         differences against the same base object, for any base object.
8708
8709 2004-08-30  Richard Henderson  <rth@redhat.com>
8710
8711         * expr.c (expand_expr_addr_expr): New.
8712         (expand_expr_real_1) <case ADDR_EXPR>: Use it.
8713
8714 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
8715
8716         * config/mips/mips.c (MIPS_FP_CONDITIONS): New macro.
8717         (mips_fp_condition): New enum.
8718         (mips_fp_conditions): New array.
8719         (print_fcc_operand): Delete.
8720         (print_operand): Remove %V, %v and %Q.  Redefine %Z so that it prints
8721         the operand and comma if and only if ISA_HAS_8CC.  Add %Y.
8722         (builtin_description): Add "cond" field.
8723         (DIRECT_BUILTIN): Initialize it.
8724         (CMP_{SCALAR,PS,4S}_BUILTINS, MOVTF_BUILTINS): Split INSN parameter
8725         into INSN and CODE.  Initialize the "cond" field.
8726         (CMP_BUILTINS): Update accordingly.
8727         (mips_bdesc): Use MIPS_FP_CONDITIONS to invoke CMP_BUILTINS.
8728         (mips_expand_builtin_movtf, mips_expand_builtin_compare): Take the
8729         mips_fp_condition as argument.  Make it the final operand of the
8730         comparison instruction.
8731         (mips_expand_builtin): Update accordingly.
8732         * config/mips/mips.md (UNSPEC_C_*, UNSPEC_CABS_*): Delete.
8733         (UNSPEC_C, UNSPEC_CABS): New constants.  Shuffle others to fill
8734         the gaps.
8735         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps, bc1any[24][ft]):
8736         Don't use the 'Q' operand prefix; just print the operand normally.
8737         (mips_cabs_*, mips_c_*): Delete, replacing with...
8738         (mips_c_cond_{ps,4s}, mips_cabs_cond_{s,d,ps,4s}): ...these new
8739         patterns.  Split the 4s versions into 2 ps patterns after reload.
8740
8741 2004-08-30  Richard Henderson  <rth@redhat.com>
8742
8743         * fold-const.c (tree_expr_nonzero_p): Use get_base_address before
8744         assuming an ADDR_EXPR is non-null.
8745
8746 2004-08-30  Jason Merrill  <jason@redhat.com>
8747
8748         * gthr-posix.h, gthr-dce.h: Add #pragma weaks.
8749
8750 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
8751
8752         * alias.c (mems_in_disjoint_alias_sets_p, record_alias_subset,
8753         record_set, rtx_equal_for_memref_p, init_alias_analysis): Use
8754         gcc_assert and gcc_unreachable instead of abort.
8755         * alloc-pool.c (abort, fancy_abort): Remove.
8756         (create_alloc_pool, free_alloc_pool, pool_alloc, pool_free): Use
8757         gcc_assert or gcc_unreachable.
8758         * attribs.c (init_attributes, decl_attributes): Likewise.
8759         * bb-reorder.c (FREE, find_traces_1_round, copy_bb,
8760         mark_bb_for_unlikely_executed_section,
8761         add_labels_and_missing_jumps, fix_crossing_conditional_branches,
8762         fix_crossing_unconditional_branches):  Likewise.
8763         * bitmap.c (bitmap_first_set_bit, bitmap_last_set_bit,
8764         bitmap_operation):  Likewise.
8765         * bt-load.c (insn_sets_btr_p, augment_live_range,
8766         move_btr_def):  Likewise.
8767         * builtins.c (c_readstr, expand_builtin_longjmp, apply_args_size,
8768         apply_result_size, expand_builtin_apply, expand_builtin_mathfn,
8769         expand_builtin_mathfn_2, expand_builtin_mathfn_3,
8770         builtin_memcpy_read_str, expand_movstr, expand_builtin_stpcpy,
8771         expand_builtin_memcmp, expand_builtin_args_info,
8772         std_gimplify_va_arg_expr, expand_builtin_unop,
8773         expand_builtin_fputs, expand_builtin_profile_func,
8774         expand_builtin_fork_or_exec, fold_builtin_bitop,
8775         fold_builtin_classify, fold_builtin_fputs): Likewise.
8776
8777 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
8778
8779         * gcov-io.c (GCOV_CHECK): Use gcc_assert when available.
8780         * gcov.c (abort): Remove undef.
8781
8782         * tree.h (BINFO_PRIMARY_BASE_OF): Remove.
8783         (struct tree_binfo): Remove primary field.
8784
8785 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
8786
8787         * fixinc/Makefile.in (machname.h): Remove.
8788         (fixincl.x): Do not pass $@ to genfixes.
8789         * fixinc/genfixes: Remove code to produce machname.h.
8790         * fixinc/fixincl.sh: Move it here instead.
8791         * fixinc/fixlib.c: Do not conditionalize on MN_NAME_PAT's presence,
8792         instead check if pz_mn_name_pat is NULL.  Make mn_get_regexps
8793         return a bool indicating whether pz_mn_name_pat is NULL.
8794         * fixinc/fixlib.h: Do not conditionalize on MN_NAME_PAT's presence.
8795         Declare extern C variables for the ENV_TABLE.
8796         * fixinc/fixfixes.c: Do not conditionalize on MN_NAME_PAT's presence,
8797         instead use the result of mn_get_regexps.
8798         * fixinc/fixtests.c: Likewise.
8799
8800 2004-08-30  Paolo Bonzini  <bonzini@gnu.org>
8801
8802         * configure.ac: Do not run fixincludes after stage1 during
8803         toplevel bootstrap.
8804         * configure: Regenerate.
8805
8806 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
8807
8808         * sched-deps.c (get_condition): Partially revert previous, by never
8809         trying to extract the condition from a condjump.
8810
8811 2004-08-30  Nathan Sidwell  <nathan@codesourcery.com>
8812
8813         * c-common.c (c_sizeof_or_alignof_type): Use gcc_assert.
8814         (handle_visibility_attribute, c_determine_visibility): Likewise.
8815         * c-common.h (my_friendly_assert): Remove.
8816
8817 2004-08-30  Richard Sandiford  <rsandifo@redhat.com>
8818
8819         * config/mips/mips.md (UNSPEC_{RSQRT,RECIP}[12]_{S,D,PS}): Delete.
8820         (UNSPEC_{RSQRT,RECIP}[12]): New constants.
8821         (UNSPEC_MOVE_TF_PS): Renumber to avoid gaps.
8822         * config/mips/mips-ps-3d.md (*movcc_v2sf_[sd]i): Use :GPR.
8823         (mips_{rsqrt,recip}[12]_{s,d,ps}): Use :ANYF.
8824
8825 2004-08-30  Diego Novillo  <dnovillo@redhat.com>
8826
8827         * tree-pretty-print.c (dump_generic_node): Handle VALUE_HANDLE
8828         in COMPONENT_REF nodes.
8829
8830 2004-08-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
8831
8832         PR c++/15378
8833         * c-opts.c (c_common_handle_option): <case OPT_Werror> set
8834         global_dc->warning_as_error_requested.
8835         * diagnostic.c (diagnostic_initialize): Tidy.
8836         * diagnostic.h (diagnostic_context::x_data): Remove
8837         (diagnostic_context::issue_warnings_are_errors_message): Rename
8838         from warnings_are_errors_message.
8839         (diagnostic_context::warning_as_error_requested): New.
8840
8841 2004-08-30  Richard Earnshaw  <rearnsha@arm.com>
8842
8843         * sched-deps.c (get_condition): Fix breakage in previous patch.
8844
8845 2004-08-30  Paul Brook  <paul@codesourcery.com>
8846
8847         * doc/install.texi: Fix broken mpfr link.
8848
8849 2004-08-29  David O'Brien  <obrien@FreeBSD.org>
8850
8851         * config/rs6000/sysv4.h (LINK_OS_FREEBSD_SPEC): Sync '-p' handling with
8852         other FreeBSD platforms.
8853
8854 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
8855
8856         * arm.h (REVERSE_CONDITION): Define.
8857         (REVERSIBLE_CC_MODE): All comparisons are now reversible.
8858
8859 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
8860
8861         * flow.c (REVERSE_CONDEXEC_PREDICATES_P): Use the whole comparison, not
8862         just the codes, call reversed_comparison_code ().
8863         (ior_reg_cond): Update arguments to REVERSE_CONDEXEC_PREDICATES_P.
8864         (not_reg_cond): Use reversed_comparison_code.
8865         (and_reg_cond): Likewise.
8866         * ifcvt.c (cond_exec_process_if_block): Likewise.
8867         * doc/tm.texi (REVERSE_CONDEXEC_PREDICATES_P): Update documentation.
8868
8869 2004-08-29  Richard Earnshaw  <rearnsha@arm.com>
8870
8871         * sched-deps.c (get_condition): Rewrite using jump support functions.
8872         Use reversed_comparison_code.
8873         (conditions_mutex_p): Use reversed_comparison_code.
8874
8875 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8876
8877         * config/mips/mips.c (override_options): Disable hot/cold partitioning
8878         for MIPS16.
8879
8880 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8881
8882         * config/mips/mips.h (mips_builtins, mips_cmp_choice): Delete.
8883         (mips_function_type): Move to mips.c.
8884         * config/mips/mips.c (mips_builtin_type): New enum.
8885         (builtin_description): Replace code and ftype with builtin_type
8886         and function_type.
8887         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS, CMP_4S_BUILTINS)
8888         (MOVTF_BUILTINS, CMP_BUILTINS): New macros.
8889         (CODE_FOR_mips_abs_ps): Define.
8890         (mips_bdesc): Use new macros.
8891         (mips_expand_builtin): Use builtin_type.  Update calls to subroutines.
8892         (mips_init_builtins): Use the mips_bdesc[] index as the function code.
8893         (mips_expand_builtin_direct): New function.
8894         (mips_expand_builtin_movtf): Renamed from mips_expand_ps_cond_move_
8895         builtin.  Replace boolean parameter with builtin_type.
8896         (mips_expand_compare_builtin, mips_expand_scalar_compare_builtin)
8897         (mips_expand_4s_compare_builtin): Delete, replacing with...
8898         (mips_expand_builtin_compare): ...this new function.
8899
8900 2004-08-29  Mark Mitchell  <mark@codesourcery.com>
8901
8902         PR rtl-optimization/16590
8903         * gcse.c (pre_delete): Do not create invalid REG_EQUAL notes.
8904
8905 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
8906
8907         * tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
8908         * tree-ssa-propagate.c: Fix documentation.
8909
8910 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8911
8912         * config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.
8913         (mov[sd]fcc): Likewise.
8914
8915 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8916
8917         * config/mips/mips.md (cmp[sd]f): Redefine using :SCALARF.
8918
8919 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8920
8921         * config/mips/mips.md (divide_condition): New mode attribute.
8922         (div[sd]f3, *div[sd]f3): Use it.  Redefine using :SCALARF.
8923         (sqrt[sd]f3): Redefine using SCALARF.
8924         (*recip[sd]f3, *rsqrt<mode>[ab]): Likewise.  Name formerly unnamed
8925         patterns.
8926
8927 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8928
8929         * config/mips/mips.md (ANYF, SCALARF): New mode macros.
8930         (loadx, storex, fmt, UNITMODE): New mode attributes.
8931         (add{sf,df,v2sf}3, sub{sf,df,v2sf}3): Redefine using :ANYF.
8932         (mul[sd]f3): Redefine using :SCALARF.
8933         (*mul[sd]f3): Renamed from mul[sd]f3_internal.  Use :SCALARF.
8934         (*mul[sd]3_r4300): Likewise mul[sd]f3_r4300.
8935         (*m{add,sub}{sf,df,v2sf}3): Name formerly unnamed patterns.  Use :ANYF.
8936         Check TARGET_FUSED_MADD for V2SF too.
8937         (*nm{add,sub}{sf,df,v2sf}3{,_fastmath}): Likewise, except v2sf patterns
8938         were already named.
8939         (abs{sf,df,v2sf}3, neg{sf,df,v2sf}3): Redefine using :ANYF.
8940         (*[sl][wd]xc1_[sd]i): Redefine using :ANYF.
8941
8942 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8943
8944         * config/mips/mips.c (mips_init_builtins): Simplify.  Only create
8945         V2SF_type_node if it will be needed.
8946
8947 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8948
8949         * config/mips/mips.h (MIPS_CMP_MOVT, MIPS_CMP_MOVF): Delete.
8950         * config/mips/mips.c (mips_prepare_builtin_arg): New function.
8951         (mips_prepare_builtin_target): New function.
8952         (mips_expand_builtin): Use them.  Update calls to subroutines.
8953         (mips_expand_ps_cond_move_builtin): Use the new functions.  Replace
8954         cmp_choice with a boolean argument to select between movt and movf.
8955         Take the comparison's icode as an argument, not the function's fcode.
8956         (mips_expand_compare_builtin): New function.  Rename existing function
8957         to mips_expand_scalar_compare_builtin.
8958         (mips_expand_scalar_compare_builtin, mips_expand_4s_compare_builtin)
8959         (mips_expand_ps_compare_builtin): Use the new functions.  Take the
8960         comparison's icode as an argument, not the builtin's fcode.
8961
8962 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8963
8964         * config/mips/mips.c (print_operand): Remove '%Y' and '%y'.
8965         (mips_expand_4s_compare_builtin): Redefine CCV4 to be 0 if all
8966         registers are false and -1 if all registers are true.
8967         (mips_expand_ps_compare_builtin): Likewise CCV2.  Use subregs for
8968         MIPS_CMP_UPPER and MIPS_CMP_LOWER.
8969         * config/mips/mips.md (mips_cond_move_tf_ps): Use %Q rather than %y.
8970         (bc1any4t, bc1any4f): Adjust for new CCV4 interpretation.
8971         (bc1any2t, bc1any2f): Likewise CCV2.
8972         (bc1upper2t, bc1lower2t, bc1upper2f, bc1lower2f): Delete.
8973
8974 2004-08-29  Richard Sandiford  <rsandifo@redhat.com>
8975
8976         * config/mips/mips.md (UNSPEC_MOVE_TF_PS): New.
8977         * config/mips/mips-ps-3d.md (mips_cond_move_tf_ps): Express as an
8978         UNSPEC rather than an IF_THEN_ELSE.
8979         * config/mips/mips.c (mips_expand_ps_cond_move_builtin): Emit
8980         mips_cond_move_tf_ps by name.
8981
8982 2004-08-29  Chao-ying Fu  <fu@mips.com>
8983             James E Wilson  <wilson@specifixinc.com>
8984
8985         * config/mips/mips-modes.def (V2SF, CCV2, CCV4): New modes. Give CCV2
8986         8 byte size and alignment.  Give CCV4 16 byte size and alignment.
8987         * config/mips/mips-ps-3d.md: New file.
8988         * config/mips/mips.c (TARGET_VECTOR_MODE_SUPPORTED_P,
8989         TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
8990         (mips_const_insns): Handle CONST_VECTOR the same as CONST_DOUBLE.
8991         (mips_output_move): Emit "mov.ps" for V2SFmode.
8992         (mips_arg_info): Add checks for VECTOR_FLOAT_TYPE_P and
8993         MODE_VECTOR_FLOAT.
8994         (override_options): Check if TARGET_MIPS3D and there was an explicit
8995         !TARGET_PAIRED_SINGLE_FLOAT.  Set MASK_PAIRED_SINGLE, if TARGET_MIPS3D.
8996         Check if TARGET_FLOAT64 and TARGET_HARD_FLOAT are both true, when
8997         TARGET_PAIRED_SINGLE_FLOAT is true.  Check if the ISA supports
8998         TARGET_PAIRED_SINGLE_FLOAT.  Allow MODE_VECTOR_FLOAT in fp registers,
8999         and allow CCV2 and CCV4 to occupy two and four CC registers.
9000         (print_fcc_operand): New function.
9001         (print_operand): Add %Y, %y, %V, %v, %Q for CCV2, CCV4, CC.  Modify
9002         %Z to call print_fcc_operand.
9003         (mips_function_value): Handle MODE_VECTOR_FLOAT.
9004         (mips_class_max_nregs): Check for ST_REGS, and handle CCmodes.
9005         (mips_vector_mode_supported_p): New function.
9006         (mips_hard_regno_nregs): Check for ST_REG_P, and handle CCmodes.
9007         (builtin_description): New struct.
9008         (mips_bdesc): New array of struct builtin_description.
9009         (mips_expand_builtin, mips_init_builtins,
9010         mips_expand_ps_cond_move_builtin, mips_expand_4s_compare_builtin,
9011         mips_expand_compare_builtin, mips_expand_ps_compare_builtin): New
9012         functions.
9013         * config/mips/mips.h (MASK_PAIRED_SINGLE, MASK_MIPS3D): New defines.
9014         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D): New defines.
9015         (TARGET_CPU_CPP_BUILTINS): Add __mips_paired_single_float.
9016         (TARGET_SWITCHES): Added "-mpaired-single", "-mno-paired-single",
9017         "-mips3d", and "-mno-mips3d".
9018         (ASM_SPEC): Map -mips3d to -mips3d in gas.
9019         (EXTRA_CONSTRAINT_Y): New macro.
9020         (EXTRA_CONSTRAINT_STR): Renamed from EXTRA_CONSTRAINT.  Add new
9021         multi-letter constraint 'Y'.
9022         (CONSTRAINT_LEN): New macro.
9023         (enum mips_builtins): New for MIPS builtin functions.
9024         (enum mips_function_type): New for the types of MIPS builtin functions.
9025         (enum mips_cmp_choice): New for the MIPS comparison builtin functions.
9026         * config/mips/mips.md: New constants for paired single and MIPS-3D
9027         instructions.  Include the new mips-ps-3d.md file.
9028         (addv2sf3, subv2sf3, mulv2sf3, absv2sf2, negv2sf2, movv2sf,
9029         movv2sf_hardfloat_64bit): New named patterns.
9030         (madd.ps, msub.ps, nmaddv2sf, nmaddv2sf_fastmath, nmsubv2sf,
9031         nmsubv2sf_fastmath, ldxc1_v2sf_si, ldxc1_v2sf_di, sdxc1_v2sf_si,
9032         sdxc1_v2sf_di): New unnamed patterns.
9033         * config/mips/predicates.md (const_0_operand, const_1_operand): Add
9034         const_vector support.
9035         (const_0_or_1_operand): New predicate.
9036         * doc/invoke.texi (MIPS Options): Add -mpaired-single and -mips3d.
9037
9038 2004-08-29  Diego Novillo  <dnovillo@redhat.com>
9039
9040         * Makefile.in (OBJS-common): Add tree-ssa-propagate.o
9041         (tree-ssa-propagate.o): New rule.
9042         (GTFILES): Add tree-ssa-propagate.c.
9043         * tree-flow.h (struct stmt_ann_d): Remove field
9044         in_ccp_worklist.
9045         * tree-ssa-propagate.c: New file.
9046         * tree-ssa-propagate.h: New file.
9047         * tree-ssa-ccp.c: Re-write to use the routines from
9048         tree-ssa-propagate.c.
9049
9050 2004-08-28  Andrew Pinski  <apinski@apple.com>
9051
9052         * tree-ssa-loop.c: Remove extra include of basic-block.h.
9053
9054 2004-08-28  Ziemowit Laski  <zlaski@apple.com>
9055
9056         * c-common.h: Update comments about ObjC/ObjC++ entry points.
9057         (objc_is_reserved_word): New prototype.
9058         (get_current_scope, objc_mark_locals_volatile): Move prototypes to
9059         separate section; these are call-backs.
9060         * c-lex.c (c_lex_with_flags): Call objc_is_reserved_word() to detect
9061         ObjC/ObjC++ "@" keywords.
9062         * c-tree.h (get_current_scope, objc_mark_locals_volatile): Remove
9063         prototypes; they already live in c-common.h.
9064         * stub-objc.c: Update copyright notice.
9065         (objc_is_reserved_word): New stub.
9066
9067 2004-08-28  Nathan Sidwell  <nathan@codesourcery.com>
9068
9069         * system.h (gcc_assert): Remove __builtin_expect.  Evaluate EXPR
9070         even when not checking.
9071
9072 2004-08-27  Jason Merrill  <jason@redhat.com>
9073
9074         PR c++/13684
9075         * gimplify.c (gimplify_cleanup_point_expr): Handle CLEANUP_EH_ONLY.
9076         (gimple_push_cleanup): Add eh_only parm.
9077         (gimplify_target_expr): Pass it.
9078         * c.opt (-fno-threadsafe-statics): New option.
9079         * c-opts.c (c_common_handle_option): Handle it.
9080         * c-common.h (flag_threadsafe_statics): Declare it.
9081         * c-common.c (flag_threadsafe_statics): Record it.
9082         * doc/invoke.texi: Document it.
9083         * tsystem.h (_GNU_SOURCE): Define.
9084         * gthr-posix.h (__gthread_recursive_mutex_t): New typedef.
9085         (__GTHREAD_RECURSIVE_MUTEX_INIT): New macro.
9086         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): New macro.
9087         (__gthread_recursive_mutex_init_function): New fn.
9088         (__gthread_recursive_mutex_lock): New fn.
9089         (__gthread_recursive_mutex_trylock): New fn.
9090         (__gthread_recursive_mutex_unlock): New fn.
9091         * gthr-solaris.h, gthr-single.h, gthr-dce.h: Likewise.
9092         * gthr-win32.h, gthr-vxworks.h: Likewise.
9093         * gthr.h: Document.
9094
9095 2004-08-27  David Edelsohn  <edelsohn@gnu.org>
9096
9097         * config/rs6000/rs6000.c (rs6000_override_options): Increase
9098         maximum skip to 15.  Set function alignment, jump alignment, and
9099         loop alignment to 16 for processors that form dispatch groups.
9100         (rs6000_rtx_costs): outer_code is used.
9101
9102 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
9103
9104         * stor-layout.c (sizetype_set): Remove.
9105         (set_sizetype): Don't test or set it.
9106
9107         * tree.h (size_int_type): Remove.
9108         * fold-const.c: Do not #include gt-fold-const.h.
9109         (size_htab_hash, size_htab_eq): Remove.
9110         (size_int_kind): Use build_int_cst.
9111         (new_const, size_htab): Remove.
9112         (size_int_type): Remove.
9113         (round_up): Use build_int_cst.
9114         (round_down): Likewise. Remove spurious constant build.
9115
9116 2004-08-27  Nathan Sidwell  <nathan@codesourcery.com>
9117
9118         * configure.ac: Add ENABLE_ASSERT_CHECKING control.
9119         Add is_release variable, use it for --enable-werror and
9120         --enable-checking defaults.
9121         * system.h (gcc_assert, gcc_unreachable): New.
9122         * doc/install.texi (--enable-checking): Update.
9123         * configure, config.in: Rebuilt.
9124
9125 2004-08-26  Richard Sandiford  <rsandifo@redhat.com>
9126
9127         * rtl.h (read_rtx): Change prototype.
9128         * read-rtl.c (read_rtx): Provide the caller with both an rtx and a
9129         line number.  Return true on success.
9130         * gensupport.c (process_include, init_md_reader_args_cb): Adjust
9131         callers accordingly.
9132
9133 2004-08-26  Richard Henderson  <rth@redhat.com>
9134
9135         * c-typeck.c (build_offsetof): Remove.
9136         * c-tree.h (build_offsetof): Remove.
9137         * c-common.c (fold_offsetof_1, fold_offsetof): New.
9138         * c-common.h (fold_offsetof): Declare.
9139         * c-parse.in (offsetof_base): New.
9140         (offsetof_member_designator): Use it.  Build references, not just
9141         a tree list.
9142         (primary): Use fold_offsetof, not build_offsetof.
9143
9144 2004-08-26  Richard Henderson  <rth@redhat.com>
9145
9146         * tree.c (staticp): Return the static object.
9147         * tree.h (staticp): Update decl.
9148         * langhooks.h (struct lang_hooks): Change staticp return type to tree.
9149         * langhooks.c (lhd_staticp): Return NULL_TREE.
9150         * langhooks-def.h (lhd_staticp): Update decl.
9151         * c-common.c (c_staticp): Return the static object.
9152         * c-common.h (c_staticp): Update decl.
9153
9154 2004-08-26  Richard Henderson  <rth@redhat.com>
9155
9156         * config/alpha/alpha.h (HARD_REGNO_MODE_OK): Allow complex float
9157         modes.
9158
9159 2004-08-26  Joseph S. Myers  <jsm@polyomino.org.uk>
9160
9161         PR c/13801
9162         * c-decl.c (struct c_binding): Add type and inner_comp fields.
9163         (bind): Set type and inner_comp fields.
9164         (pop_scope): Restore type of decl to the correct type from an
9165         outer scope.  Give error when popping file scope for incomplete
9166         arrays completed incompatibly with default initialization in an
9167         inner scope.
9168         (diagnose_mismatched_decls): Handle externs with initializers at
9169         block scope.
9170         (pushdecl): Set type of external declaration at block scope based
9171         only on the visible declarations.  Save type when changing the
9172         type of a declaration.  Merge an external declaration at block
9173         scope with a visible static declaration at file scope.
9174         (implicitly_declare): Give recycled old declaration the new type
9175         except for incompatible declarations of built-in functions, saving
9176         the old type.
9177
9178 2004-08-26  Ziemowit Laski  <zlaski@apple.com>
9179
9180         * c-parse.in (OBJC_TYPE_QUAL): New %token for ObjC use.
9181
9182 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
9183
9184         * tree-alias-common.c (gate_pta): New function.
9185         (pass_build_pta): Use it.
9186         (pass_del_pta): Use it.
9187         (delete_alias_vars): Don't check flag_tree_points_to.
9188
9189 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
9190
9191         * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): Added
9192         TFmode as additional register mode cloberred by call.
9193
9194 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
9195
9196         * config/rs6000/rs6000.c (rs6000_libcall_value): Generate
9197         parallel pattern for library call returning DImode in
9198         mixed mode.
9199
9200 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
9201
9202         * config/rs6000/rs6000.c (function_arg): Generate parallel
9203         pattern for more split args.
9204
9205 2004-08-26  Fariborz Jahanian  <fjahanian@apple.com>
9206
9207         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Call
9208         either gen_movdi_di_update or gen_movdi_si_update depending on
9209         target mode.
9210         * config/rs6000/rs6000.md (movdi_update): Changed to movdi_<mode>_update,
9211         to generate two versions.
9212
9213 2004-08-26  Daniel Berlin  <dberlin@dberlin.org>
9214
9215         * Makefile.in (lambda-code.o): New.
9216         (lambda-trans.o): Ditto.
9217         (TREE_DATA_REF_H): Ditto.
9218         (LAMBDA_H): Ditto.
9219         (lambda-mat.o): Use LAMBDA_H.
9220         (tree-data-ref.o): Ditto.
9221         * lambda-code.c: New file.  Lambda code generation algorithm.
9222         * lambda-trans.c: Ditto. Lambda transformation matrix support.
9223         * lambda.h: Add lambda loop structures.
9224         Add lambda loopnest structures.
9225         Add lambda body vector structure.
9226         Add lambda linear expression structures.
9227         Add prototypes for functions in new files.
9228         * lambda-mat.c: Include tree.h
9229
9230 2004-08-26  Daniel Berlin <dberlin@dberlin.org>
9231             Sebastian Pop  <pop@cri.ensmp.fr>
9232
9233         * tree-data-ref.h: Include lambda.h
9234         (free_dependence_relation): Declared here.
9235         (free_dependence_relations): Ditto.
9236         (free_data_refs): Ditto.
9237         * tree-data-ref.c (free_dependence_relation): New function.
9238         (free_dependence_relations): Ditto.
9239         (free_data_refs): Ditot.
9240         (analyze_all_data_dependences): Free datarefs and dependence_relations.
9241         (build_classic_dist_vector): Store in the dependence_relations the
9242         information. Each arc in the dependence_relations graph is labelled
9243         with the distance and direction vectors.
9244         (build_classic_dir_vector): Ditto.
9245         (compute_rw_wr_ww_dependences): Renamed again compute_all_dependences.
9246         Now computes again the whole dependence graph including read-read
9247         relations.
9248         (compute_data_dependences_for_loop): Now dependence_relations contains
9249         all the data, and thus it doesn't need to initialize the classic_dir
9250         and classic_dist vectors.
9251         (analyze_all_data_dependences): Adjusted for using the new interface of
9252         compute_data_dependences_for_loop.  Remove the statistics dump.
9253
9254 2004-08-26  Bob Wilson  <bob.wilson@acm.org>
9255
9256         * config/xtensa/xtensa.c (xtensa_ld_opcodes, xtensa_st_opcodes): Delete.
9257         (xtensa_expand_block_move): Update comment.
9258         (override_options): Remove initialization of xtensa_{ld,st}_opcodes.
9259
9260 2004-08026  Richard Earnshaw  <rearnsha@arm.com>
9261
9262         PR target/13506
9263         * toplev.c (crash_signal): If we crashed while emitting
9264         a user asm, then die more gracefully.
9265
9266 2004-08-26  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9267
9268         PR target/17119.
9269         * config/m32r.c (gen_compare): Use reg_or_int16_operand when
9270         checking for a valid constant, regardless of sign.
9271
9272 2004-08-25  Richard Henderson  <rth@redhat.com>
9273
9274         PR target/16974
9275         * config/alpha/alpha.md (adddi_fp_hack): Don't rely on splitting
9276         if the constant satisfies add_operand.
9277
9278 2004-08-25  Richard Henderson  <rth@redhat.com>
9279
9280         PR debug/10695
9281         * config/alpha/alpha.c (emit_frame_store_1, emit_frame_store): New.
9282         (alpha_expand_prologue): Handle >32-bit frames.  Generate proper
9283         unwind info for >16-bit frames.
9284
9285 2004-08-25  Richard B. Kreckel  <richard.kreckel@framatome-anp.com>
9286
9287         PR target/17171
9288         * config/i386/gas.h (ASM_COMMENT_START): Define to "#".
9289
9290 2004-08-25  Richard Henderson  <rth@redhat.com>
9291
9292         * config/alpha/alpha.c (alpha_cannot_force_const_mem): New.
9293         (TARGET_CANNOT_FORCE_CONST_MEM): New.
9294
9295 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
9296
9297         * doc/tree-ssa.texi: Document new operand iterator.
9298
9299 2004-08-26  Alan Modra  <amodra@bigpond.net.au>
9300
9301         PR target/16480
9302         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Don't abort
9303         on "(mem (symbol_ref ..))" rtl.  Look at LO_SUM base regs as well
9304         as PLUS base regs.
9305
9306 2005-08-28  Paul Brook  <paul@codesourcery.com>
9307
9308         * config/arm/symbian.h (SUBTARGET_ASM_FLOAT_SPEC): Default to
9309         -mfpu=vfp -march=armv5t
9310         * config/arm/t-symbian: Change multilib to mfloat-abi=softfp.
9311
9312 2004-08-25  Richard Henderson  <rth@redhat.com>
9313
9314         * target-def.h (TARGET_SCALAR_MODE_SUPPORTED_P): New.
9315         * target.h (struct gcc_target): Add scalar_mode_supported_p.
9316         * targhooks.c (default_scalar_mode_supported_p): New.
9317         * targhooks.h (default_scalar_mode_supported_p): Declare.
9318         * doc/tm.texi (TARGET_SCALAR_MODE_SUPPORTED_P): Document.
9319
9320         * c-common.c (handle_mode_attribute): Query scalar_mode_supported_p
9321         before attempting to create types.  Tidy.
9322         * expr.c (vector_mode_valid_p): Use scalar_mode_supported_p.
9323
9324         * config/alpha/alpha.c (alpha_scalar_mode_supported_p): New.
9325         (TARGET_SCALAR_MODE_SUPPORTED_P): New.
9326
9327 2004-08-25  Richard Henderson  <rth@redhat.com>
9328
9329         * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Don't
9330         set REAL_MODE_FORMAT for TFmode.
9331
9332 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
9333
9334         * c-decl.c (grokparm): New function.
9335         * c-tree.h (grokparm): New prototype.
9336
9337 2004-08-25  Andrew MacLeod  <amacleod@redhat.com>
9338
9339         * tree-ssa-operands.h (struct ssa_operand_iterator_d): New.  SSA operand
9340         iterator controlling structure.
9341         (SSA_OP_USE, SSA_OP_DEF, SSA_OP_VUSE, SSA_OP_VMAYUSE, SSA_OP_VMAYDEF,
9342         SSA_OP_VMUSTDEF, SSA_OP_VIRTUAL_USES, SSA_OP_VIRTUAL_DEFS,
9343         SSA_OP_ALL_USES, SSA_OP_ALL_DEFS, SSA_OP_ALL_OPERANDS): New.  Operand
9344         iterator flags.
9345         (FOR_EACH_SSA_TREE_OPERAND): New.  Iterate over operands as trees.
9346         (FOR_EACH_SSA_USE_OPERAND): New.  Iterate over operands as uses.
9347         (FOR_EACH_SSA_DEF_OPERAND): New.  Iterate over operands as defs.
9348         (FOR_EACH_SSA_MAYDEF_OPERAND): New.  Iterate over V_MAY_DEFs.
9349         * tree-ssa-operands.c (NULL_DEF_OPERAND_P, NULL_USE_OPERAND_P): New.
9350         Empty operand pointers.
9351         * tree-flow-inline.h (op_iter_done): New.  Return true if finished.
9352         (op_iter_next_use): New.  Return next use_operand_p.
9353         (op_iter_next_def): New.  Return next def_operand_p.
9354         (op_iter_next_tree): New.  Return next operands as a tree.
9355         (op_iter_init): New.  Initialize an iterator structure.
9356         (op_iter_init_use): New.  Initialize structure and get the first use.
9357         (op_iter_init_def): New.  Initialize structure and get the first def.
9358         (op_iter_init_tree): New.  Initialize structure and get the first tree.
9359         (op_iter_next_maydef): New.  Return next V_MAY_DEF operands.
9360         (op_iter_init_maydef): New.  Initialize structure and get the first
9361         V_MAY_DEF operands.
9362         * tree-cfg.c (tree_duplicate_bb): Use new operand iterator.
9363         * tree-dfa.c (compute_immediate_uses_for_stmt,
9364         redirect_immediate_uses): Use new operand iterator.
9365         (v_may_defs_disappeared_p, v_must_defs_disappeared_p): Delete.
9366         (mark_new_vars_to_rename): Use new operand iterator.  Count virtual
9367         operands instead of using *_disappeared_p routines.
9368         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites, rewrite_stmt,
9369         ssa_rewrite_stmt): Use new operand iterator.
9370         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
9371         rewrite_trees): Use new operand iterator.
9372         * tree-pretty-print.c (dump_vops): Use new operand iterator.
9373         * tree-sra.c (mark_all_v_defs): Use new operand iterator.
9374         * tree-ssa-alias.c (compute_points_to_and_addr_escape,
9375         dump_points_to_info): Use new operand iterator.
9376         * tree-ssa-ccp.c (cp_lattice_meet, visit_stmt, initialize,
9377         replace_uses_in, replace_vuse_in, likely_value, set_rhs): Use new
9378         operand iterator.
9379         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary,
9380         propagate_necessity): Use new operand iterator.
9381         * tree-ssa-dom.c (cprop_into_stmt, optimize_stmt): Use operand iterator.
9382         (register_definitions_for_stmt): Use new operand iterator.  Take stmt as
9383         a parameter instead of a stmt_ann_t.
9384         * tree-ssa-live.c (create_ssa_var_map, calculate_live_on_entry,
9385         build_tree_conflict_graph): Use new operand iterator.
9386         * tree-ssa-loop-im.c (determine_max_movement, single_reachable_address,
9387         rewrite_mem_refs): Use new operand iterator.
9388         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
9389         check_loop_closed_ssa_use): Use new operand iterator.
9390         * tree-ssa.c (verify_ssa, replace_immediate_uses): Use operand iterator.
9391         * tree-ssanames.c (release_defs): Use new operand iterator.
9392         * tree-vectorizer.c (vect_create_data_ref): Use new operand iterator.
9393
9394 2004-08-25  Adam Nemet  <anemet@lnxw.com>
9395
9396         * tlink.c (initial_cwd): New variable.
9397         (tlink_init): Initialize it.
9398         (recompile_files): Use tlink_execute() instead of system().  Don't
9399         duplicate verbose output of collect_execute.  Restore initial_cwd.
9400         Update comment before the function.
9401
9402 2004-08-25  Ziemowit Laski  <zlaski@apple.com>
9403
9404         * c-typeck.c (build_c_cast): In ObjC, always preserve (and silently
9405         accept) a cast from one Objective-C pointer type to another.
9406
9407 2004-08-25  Paolo Carlini  <pcarlini@suse.de>
9408
9409         * doc/install.texi: Document that libstdc++-v3 requires
9410         now automake 1.9.1.
9411
9412 2004-08-25  Caroline Tice  <ctice@apple.com>
9413
9414         * bb-reorder.c (partition_hot_cold_basic_blocks):  Add more details
9415         to comments at start of function.
9416         * cfgbuild.c (make_edges):  Add more details to hot/cold partitioning
9417         comment.
9418         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9419         merge_blocks_move_predecessor_nojumps,
9420         merge_blocks_move_successor_nojumps, merge_blocks_move,
9421         try_crossjump_to_edge, try_crossjump_bb): Likewise.
9422         * cfglayout.c (fixup_reorder_chain): Likewise.
9423         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
9424         cfg_layout_can_merge_blocks_p):  Likewise.
9425         * ifcvt.c (find_if_case_1, find_if_case_2): Likewise.
9426         * passes.c (rest_of_compilation): Update comments for calling
9427         optimization that partitions hot/cold basic blocks.
9428         * doc/invoke.texi:  Update documentation of
9429         freorder-blocks-and-partition flag.
9430
9431 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
9432
9433         * config/mips/mips.md (reg): Renamed mode attribute from ccreg.
9434         (*mov*_on_*): Adjust accordingly.  Add an explicit MOVECC: prefix.
9435
9436 2004-08-25  Richard Sandiford  <rsandifo@redhat.com>
9437
9438         * config/mips/mips.md (any_shift): New code macro.
9439         (optab, insn): New code attributes.
9440         ({ashl,ashr,lshr}[sd]i3): Redefine using :GPR and any_shift.
9441         Use the standard rather than internal patterns for the MIPS16
9442         double-shift optimization.
9443         (*{ashl,ashr,lshr}[sd]i3): New names for the non-mips16 shift patterns.
9444         Redefine using :GPR and any_shift.
9445         (*{ashl,ashr,lshr}si3_extend): Generalize ashlsi3_internal1_extend
9446         to cover all three shifts.
9447         (*{ashl,ashr,lshr}si3_mips16): New names for the mips16 SImode shifts.
9448         Redefine using any_shift.  Use :GPR and any_shift to combine splitters.
9449         (*{ashl,ashr,lshr}di3_mips16): New names for the mips16 DImode shifts.
9450
9451 2004-08-24  Geoffrey Keating  <geoffk@apple.com>
9452
9453         * gimplify.c (lookup_tmp_var): Separate temporaries when not
9454         optimizing.
9455
9456 2004-08-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9457
9458         PR libstdc++/17005 (fix for HP-UX 11.11)
9459         * config.gcc (hppa*-*-*): Move MASK_BIG_SWITCH to target_cpu_default2.
9460         (hppa*-*-hpux*): Consolidate hppa1.0-*-* code.  Rework handling of
9461         tm_file including pa-hpux1010.h or pa-hpux1111.h when appropriate.
9462         * config/pa/pa-hpux1010.h, config/pa/pa-hpux1111.h: New files.
9463         * config/pa/pa-hpux.h (TARGET_HPUX): Define.
9464         (LINK_SPEC): Handle march=1.0 option.
9465         * config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
9466         and _XOPEN_SOURCE_EXTENDED for UNIX 95.
9467         (SUBTARGET_OPTIONS): New define.
9468         (LINK_SPEC): Handle march=1.0 option.
9469         (STARTFILE_SPEC): New define.
9470         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Predefine _XOPEN_UNIX
9471         and _XOPEN_SOURCE_EXTENDED for UNIX 95.  Additionally, predefine
9472         _INCLUDE__STDC_A1_SOURCE and _INCLUDE_XOPEN_SOURCE_500 for UNIX 98.
9473         (SUBTARGET_OPTIONS): New define.
9474         (LINK_SPEC): Handle march=1.0 option.
9475         (STARTFILE_SPEC): New define.
9476         * config/pa/pa.c (override_options): Add code to process -munix= option.
9477         * config/pa/pa.h (pa_unix_string, flag_pa_unix): Declare.
9478         (TARGET_HPUX, TARGET_HPUX_10_10, TARGET_HPUX_11_11): Provide default
9479         defines.
9480         (TARGET_OPTIONS): Add SUBTARGET_OPTIONS to option list.
9481         (SUBTARGET_OPTIONS): Provide default define.
9482         * config/pa/pa64-hpux.h (STANDARD_STARTFILE_PREFIX_1,
9483         STANDARD_STARTFILE_PREFIX_2): New defines.
9484         (STARTFILE_SPEC): Provide unix95.o or unix98.o startfiles as necessary.
9485         (ENDFILE_SPEC): Use %O.
9486         * doc/install.texi (hppa*-*-hpux*): Reword paragraph on -g and gas.
9487         Mention issue caused by changing namespace and runtime to UNIX 95/98.
9488         * doc/invoke.texi (HPPA options): Move misplaced text to FRV options.
9489         Document -munix=std option.
9490
9491 2004-08-25  Steven Bosscher  <stevenb@suse.de>
9492
9493         * cse.c (cse_around_loop, cse_check_loop_start,
9494         cse_set_around_loop): Remove.
9495         (cse_basic_block): Remove the around_loop argument.
9496         (cse_end_of_basic_block): Remove the after_loop argument.
9497         (cse_main): Likewise.
9498         * rtl.h (cse_main): Update prototype.
9499         * passes.c (rest_of_handle_cse, rest_of_handle_cse2,
9500         rest_of_handle_gcse): Update cse_main calls.
9501
9502 2004-08-25  Nathan Sidwell  <nathan@codesourcery.com>
9503
9504         * tree.h  (build_int_cst): New, sign extended constant.
9505         (build_int_cstu): New, zero extended constant.
9506         (build_int_cst_wide): Renamed from build_int_cst.
9507         * tree.c (build_int_cst, build_int_cstu): New.
9508         (build_int_cst_wide): Renamed from build_int_cst.
9509         (make_vector_type, build_common_tree_nodes,
9510         build_common_tree_nodes_2): Adjust build_int_cst calls.
9511         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
9512         expand_builtin_strpbrk, expand_builtin_fputs,
9513         build_string_literal, expand_builtin_printf,
9514         expand_builtin_sprintf, fold_builtin_classify_type,
9515         fold_builtin_lround, fold_builtin_bitop, fold_builtin_isascii,
9516         fold_builtin_toascii, fold_builtin_isdigit,
9517         simplify_builtin_strstr, simplify_builtin_strpbrk,
9518         fold_builtin_fputs, simplify_builtin_sprintf): Likewise.
9519         * c-common.c (start_fname_decls, fix_string_type, shorten_compare,
9520         DEF_ATTR_INT): Likewise.
9521         * c-decl.c (complete_array_type, check_bitfield_type_and_width):
9522         Likewise.
9523         * c-lex.c (interpret_integer, lex_charconst): Likewise.
9524         * c-parse.in (primary) <TYPES_COMPATIBLE_P> Likewise.
9525         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9526         * c-typeck.c (really_start_incremental_init, push_init_level,
9527         set_nonincremental_init_from_string): Likewise.
9528         * calls.c (load_register_parameters): Likewise.
9529         convert.c (convert_to_pointer): Likewise.
9530         coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
9531         build_fn_info_type, build_fn_info_value, build_ctr_info_value,
9532         build_gcov_info): Likewise.
9533         * except.c (init_eh, assign_filter_values): Likewise.
9534         * expmed.c (store_fixed_bit_field, extract_bit_field,
9535         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
9536         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
9537         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
9538         * expr.c (convert_move, emit_group_load, emit_group_store,
9539         expand_assignment, store_constructor, store_field,
9540         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
9541         fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
9542         invert_truthvalue, optimize_bit_field_compare,
9543         decode_field_reference, all_ones_mask_p, constant_boolean_node,
9544         fold_div_compare, fold, fold_read_from_constant_string,
9545         fold_negate_const, fold_abs_const, fold_not_const, round_up,
9546         round_down): Likewise.
9547         * function.c (assign_parm_setup_block): Likewise.
9548         * stmt.c (shift_return_value, expand_case, estimate_case_costs):
9549         Likewise.
9550         * stor-layout.c (layout_type, initialize_sizetypes,
9551         set_min_and_max_values_for_integral_type): Likewise.
9552         * tree-chrec.c (chrec_fold_multiply_poly_poly,
9553         reset_evolution_in_loop): Likewise.
9554         * tree-chrec.h (build_polynomial_chrec): Likewise.
9555         * tree-complex.c (build_replicated_const): Likewise.
9556         * tree-eh.c (honor_protect_cleanup_actions,
9557         lower_try_finally_onedest, lower_try_finally_copy,
9558         lower_try_finally_switch): Likewise.
9559         * tree-mudflap.c (mf_build_string, mx_register_decls,
9560         mudflap_register_call, mudflap_enqueue_constant): Likewise.
9561         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
9562         * tree-pretty-print.c (dump_generic_node): Likewise.
9563         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
9564         Likewise.
9565         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
9566         * tree-ssa-loop-niter.c (number_of_iterations_cond,
9567         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
9568         Likewise.
9569         * tree-ssa-loop-ivcanon.c (create_canonical_iv,
9570         canonicalize_loop_induction_variables): Likewise.
9571         * tree-vectorizer.c (vect_create_index_for_array_ref,
9572         vect_transform_loop_bound, vect_compute_data_ref_alignment):
9573         Likewise.
9574
9575         * config/alpha/alpha.c (alpha_initialize_trampoline, alpha_va_start,
9576         alpha_gimplify_va_arg_1): Likewise.
9577         * config/arm/arm.c (arm_get_cookie_size): Likewise.
9578         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9579         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
9580         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
9581         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
9582         mips_gimplify_va_arg_expr): Likewise.
9583         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9584         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
9585         add_compiler_branch_island): Likewise.
9586         * config/s390/s390.c (s390_va_start): Likewise.
9587         * config/sh/sh.c (sh_va_start): Likewise.
9588         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
9589         Likewise.
9590         * config/xtensa/xtensa.c (xtensa_va_start,
9591         xtensa_gimplify_va_arg_expr): Likewise.
9592
9593         * objc/objc-act.c (build_objc_string_object,
9594         build_objc_symtab_template, init_def_list, init_objc_symtab,
9595         init_module_descriptor, generate_static_references,
9596         build_selector_translation_table, get_proto_encoding,
9597         build_typed_selector_reference, build_selector_reference,
9598         build_next_objc_exception_stuff,
9599         build_method_prototype_list_template, generate_descriptor_table,
9600         generate_protocols, build_protocol_initializer,
9601         build_ivar_list_template, build_method_list_template,
9602         build_ivar_list_initializer, generate_ivars_list,
9603         generate_dispatch_table, generate_protocol_list,
9604         build_category_initializer, build_shared_structure_initializer,
9605         generate_shared_structures, handle_impent,
9606         generate_objc_image_info): Likewise.
9607
9608 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
9609
9610         * cfglayout.c (duplicate_insn_chain): Remove references to
9611         NOTE_INSN_LOOP_VTOP and NOTE_INSN_LOOP_CONT.
9612         * cfgloop.h (struct loop): Remove fields vtop, cont and cont_dominator.
9613         * cfgrtl.c (rtl_delete_block): Remove handling of NOTE_INSN_LOOP_CONT.
9614         * final.c (final_scan_insn): Remove references to NOTE_INSN_LOOP_VTOP
9615         and NOTE_INSN_LOOP_CONT.
9616         * insn-notes.def (NOTE_INSN_LOOP_VTOP, NOTE_INSN_LOOP_CONT): Remove.
9617         * jump.c (squeeze_notes): Remove references to NOTE_INSN_LOOP_VTOP
9618         and NOTE_INSN_LOOP_CONT.
9619         * loop.c (scan_loops, find_and_verify_loops, for_each_insn_in_loop,
9620         check_dbra_loop, loop_dump_aux): Remove references to removed notes
9621         and fields.
9622         * reorg.c (mostly_true_jump): Do not rely on NOTE_INSN_LOOP_VTOPs.
9623         * unroll.c (unroll_loop, copy_loop_body, loop_iterations): Remove
9624         references to removed notes and fields.
9625         (subtract_reg_term, ujump_to_loop_cont): Remove.
9626
9627 2004-08-25  Paolo Bonzini  <bonzini@gnu.org>
9628
9629         * doc/install.texi: Document that libcpp does not require
9630         Automake any longer.  Document that Automake 1.9.1 should
9631         work everywhere.
9632
9633 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
9634
9635         * flags.h (enum debug_info_type): Remove DWARF_DEBUG.
9636         * defaults.h (PREFERRED_DEBUGGING_TYPE): Remove check for
9637         DWARF_DEBUGGING_INFO from choice-of-definition chain;
9638         restructure using C89 features (#elif, #error).
9639         * c-lex.c, final.c, opts.c, config/cris/cris.c, config/frv/frv.c
9640         * config/sh/sh.h: Remove references to DWARF_DEBUG.
9641         * doc/invoke.texi: Remove references to DWARF version 1;
9642         clarify why -gdwarf-2<n> doesn't work.
9643
9644 2004-08-25  Zack Weinberg  <zack@codesourcery.com>
9645
9646         * basic-block.h (BB_SET_PARTITION): Clear old value first.
9647         * cfg.c (clear_bb_flags): Don't clear partition setting.
9648         * ifcvt.c (find_if_case_1): Remove ??? comment.
9649
9650 2004-08-25  Alan Modra  <amodra@bigpond.net.au>
9651
9652         PR target/17052
9653         * config/rs6000/rs6000.h (machine_function): Remove sysv_varargs_p.
9654         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9655         current_function_stdarg in place of sysv_varargs_p.
9656         * config/rs6000/rs6000.c (setup_incoming_varargs): Don't set
9657         sysv_varargs_p.
9658
9659 2004-08-24  Richard Henderson  <rth@redhat.com>
9660
9661         PR target/16298
9662         * config/i386/i386.c (legitimate_constant_p): Rework to not accept
9663         random codes within CONST.
9664
9665 2004-08-24  James E Wilson  <wilson@specifixinc.com>
9666
9667         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS): Remove
9668         -freorder-blocks-and-partition.
9669
9670 2004-08-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9671
9672         PR middle-end/17044
9673         * tree-ssa-threadupdate.c (redirection_data): Make static.
9674         (thread_block): Use ggc_alloc_cleared to allocate struct
9675         redirection_data.  Don't free elements in redirection_data.
9676
9677 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
9678
9679         * config/mips/predicates.md (small_data_pattern): Match prefetches.
9680
9681 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9682
9683         PR tree-optimization/17016
9684         * tree-ssa-loop-niter.c (number_of_iterations_cond,
9685         number_of_iterations_exit): Use POINTER_TYPE_P instead
9686         of testing for POINTER_TYPE.
9687
9688 2004-08-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
9689
9690         * tree-ssa-loop-ivcanon.c: New file.
9691         * tree-ssa-loop-manip.c (create_iv): New function.
9692         * Makefile.in (tree-ssa-loop-ivcanon.o): Add.
9693         (tree-ssa-loop.o, tree-ssa-loop-manip.o): Add SCEV_H dependency.
9694         * cfgloop.c (mark_single_exit_loops): New function.
9695         (verify_loop_structure): Verify single-exit loops.
9696         * cfgloop.h (struct loop): Add single_exit field.
9697         (LOOPS_HAVE_MARKED_SINGLE_EXITS): New constant.
9698         (mark_single_exit_loops): Declare.
9699         (tree_num_loop_insns): Declare.
9700         * cfgloopmanip.c (update_single_exits_after_duplication): New function.
9701         (duplicate_loop_to_header_edge): Use it.
9702         * common.opt (fivcanon): New flag.
9703         * timevar.def (TV_TREE_LOOP_IVCANON, TV_COMPLETE_UNROLL): New timevars.
9704         * tree-cfg.c (tree_find_edge_insert_loc): Return newly created block.
9705         (bsi_commit_edge_inserts_1): Pass null to tree_find_edge_insert_loc.
9706         (bsi_insert_on_edge_immediate): New function.
9707         * tree-flow.h (bsi_insert_on_edge_immediate,
9708         canonicalize_induction_variables, tree_unroll_loops_completely,
9709         create_iv): Declare.
9710         * tree-optimize.c (init_tree_optimization_passes): Add
9711         pass_iv_canon and pass_complete_unroll.
9712         * tree-pass.h (pass_iv_canon, pass_complete_unroll): Declare.
9713         * tree-scalar-evolution.c (get_loop_exit_condition,
9714         get_exit_conditions_rec, number_of_iterations_in_loop,
9715         scev_initialize): Use single_exit information.
9716         * tree-ssa-loop-niter.c (number_of_iterations_cond): Record
9717         missing assumptions.
9718         (loop_niter_by_eval):  Return number of iterations as unsigned
9719         int.
9720         * tree-ssa-loop.c (tree_ssa_loop_init): Mark single exit loops.
9721         (tree_ssa_loop_ivcanon, gate_tree_ssa_loop_ivcanon, pass_iv_canon,
9722         tree_complete_unroll, gate_tree_complete_unroll, pass_complete_unroll):
9723         New passes.
9724         (tree_ssa_loop_done): Call free_numbers_of_iterations_estimates.
9725         * tree-ssanames.c (make_ssa_name): Allow creating ssa name before
9726         the defining statement is ready.
9727         * tree-vectorizer.c (vect_create_iv_simple): Removed.
9728         (vect_create_index_for_array_ref, vect_transform_loop_bound):
9729         Use create_iv.
9730         (vect_transform_loop_bound): Use single_exit information.
9731         (vect_analyze_loop_form): Cleanup bogus tests.
9732         (vectorize_loops): Do not call flow_loop_scan.
9733         * tree.h (may_negate_without_overflow_p): Declare.
9734         * fold-const.c (may_negate_without_overflow_p): Split out from ...
9735         (negate_expr_p): ... this function.
9736         (tree_expr_nonzero_p): Handle overflowed constants correctly.
9737         * doc/invoke.texi (-fivcanon): Document.
9738         * doc/passes.texi: Document canonical induction variable creation.
9739
9740 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
9741
9742         * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): Delete.
9743         * config/mips/mips.c (print_operand): Fold %B/%b handling into %T/%t,
9744         using the mode of the operand to decide between them.
9745         * config/mips/mips.md (MOVECC): New mode macro.
9746         (ccreg): New mode attribute.
9747         (*mov{si,di,sf,df}_on_{cc,si,di}): Name formerly unnamed patterns.
9748         Redefine using :GPR and :MOVECC.  Use %T and %t for the condition.
9749         (mov[sd]icc): Redefine using :GPR.
9750
9751 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
9752
9753         * config/mips/mips-protos.h (mips_emit_prefetch): Delete.
9754         (mips_prefetch_cookie): New function.
9755         * config/mips/mips.c (print_operand_address): Fix handling of
9756         ADDRESS_CONST_INT.
9757         (mips_emit_prefetch): Delete.
9758         (mips_prefetch_cookie): New function.
9759         * config/mips/mips.md (prefetch): Turn into a define_insn.  Use a
9760         mode of QImode for the address_operand.  Use mips_prefetch_cookie
9761         to calculate the first "pref" operand.
9762         (prefetch_[sd]i, prefetch_[sd]i_address): Delete.
9763         (prefetch_indexed_[sd]i): Redefine using :P.  Use mips_prefetch_cookie.
9764
9765 2004-08-24  Richard Earnshaw  <rearnsha@arm.com>
9766
9767         * arm.md: Include predicates.md.
9768         * predicates.md: New file.
9769         * arm.c (s_register_operand, arm_hard_register_operand)
9770         (arm_general_register_operand, f_register_operand, reg_or_int_operand)
9771         (arm_immediate_operand, arm_neg_immediate_operand)
9772         (arm_not_immediate_operand, arm_rhs_operand, arm_rhsm_operand)
9773         (arm_add_operand, arm_addimm_operand, arm_not_operand)
9774         (offsettable_memory_operand, alignable_memory_operand)
9775         (arm_reload_memory_operand, arm_float_rhs_operand)
9776         (arm_float_add_operand, vfp_compare_operand, arm_float_compare_operand)
9777         (index_operand, shiftable_operator, logical_binary_operator)
9778         (shift_operator, equality_operator, arm_comparison_operator)
9779         (minmax_operator, cc_register, dominant_cc_register)
9780         (arm_extendqisi_mem_op, power_of_two_operand, nonimmediate_di_operand)
9781         (di_operand, nonimmediate_soft_df_operand, soft_df_operand)
9782         (const_shift_operand, load_multiple_operation)
9783         (store_multiple_operation, multi_register_push, thumb_cmp_operand)
9784         (thumb_cmpneg_operand, thumb_cbrch_target_operand)
9785         (cirrus_register_operand, cirrus_fp_register)
9786         (cirrus_shift_const): Delete, replaced with equivalents in
9787         predicates.md.
9788         (shift_op): Handle ROTATE.
9789         * arm-protos.h: Delete declarations for above.
9790         * arm.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
9791         * t-arm (MD_INCLUDES): Add predicates.md.
9792         (s-preds): Depends on MD_INCLUDES.
9793
9794 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
9795
9796         * config/mips/mips.c (mips_gen_conditional_trap): Fix mode.
9797         * config/mips/mips.md (*conditional_trap[sd]i): Name previously unnamed
9798         patterns.  Redefine using :GPR.  Give the match_operator a mode.
9799         Use '%2' rather than '%z2' for operand 2.
9800
9801 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
9802
9803         * config/mips/mips.md (load_call[sd]i): Redefine using :P.  Add mode
9804         attribute.
9805
9806 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
9807
9808         * config/mips/mips.md (indirect_jump): Use force_reg.  Adjust names
9809         of internal patterns.
9810         (indirect_jump[sd]i): Renamed from indirect_jump_internal[12].
9811         Redefine using :P.
9812         (tablejump): Use expand_binop to calculate address.  Adjust names
9813         of internal patterns.
9814         (tablejump[sd]i): Renamed from tablejump_internal[12].
9815         Redefine using :P.
9816         (tablejump_mips16[12]): Delete.
9817
9818 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
9819
9820         * config/mips/mips.md (*seq_[sd]i, *seq_[sd]i_mips16, *sne_[sd]i)
9821         (*sgt_[sd]i, *sgt_[sd]i_mips16, *sge_[sd]i, *slt_[sd]i)
9822         (*slt_[sd]i_mips16, *sle_[sd]i, *sle_[sd]i_mips16, *sgtu_[sd]i)
9823         (*sgtu_[sd]i_mips16, *sge_[sd]i, *sltu_[sd]i, *sltu_[sd]i_mips16)
9824         (*sleu_[sd]i, *sleu_[sd]i_mips16): Redefine using :GPR.
9825
9826 2004-08-24  Richard Sandiford  <rsandifo@redhat.com>
9827
9828         * config/mips/mips.md (cmpsi, cmpdi): Redefine using :GPR.
9829         (*branch_zero[sd]i): Renamed from branch_zero{,_di}.  Redefine
9830         using :GPR.
9831         (*branch_zero[sd]i_inverted): Likewise branch_zero{,_di}_inverted.
9832         (*branch_equality[sd]i): Likewise branch_equality{,_di}.
9833         (*branch_equality[sd]i_inverted): Likewise
9834         branch_equality{,_di}_inverted.
9835         (*branch_equality[sd]i_mips16): Name formerly unnamed patterns.
9836         Redefine using :GPR.
9837
9838 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
9839
9840         * rtl.def: Reorganize, placing all codes used only in machine
9841         descriptions at the end.
9842
9843         * rtl.def: Wrap MD-only codes in #ifdef GENERATOR_FILE.
9844         * gengtype.c: Don't include rtl.h.  Define enum rtx_code and
9845         rtx_name, rtx_format arrays by direct reference to rtl.def,
9846         first undefining GENERATOR_FILE.  Define enum insn_note and
9847         note_insn_name array by direct reference to insn-notes.def.
9848         (adjust_field_rtx_def): Remove local definition of rtx_name.
9849         Use symbolic names for insn notes.
9850         * Makefile.in (gengtype.o): Update dependencies.
9851
9852 2004-08-24  Zack Weinberg  <zack@codesourcery.com>
9853
9854         * basic-block.h (struct basic_block_def): Reorder fields to
9855         eliminate interior padding.  Remove 'partition' field.
9856         (BB_DISABLE_SCHEDULE, BB_HOT_PARTITION, BB_COLD_PARTITION)
9857         (BB_UNPARTITIONED, BB_PARTITION, BB_SET_PARTITION)
9858         (BB_COPY_PARTITION): New macros.
9859         * bb-reorder.c, cfgcleanup.c, cfglayout.c, cfgrtl.c, ifcvt.c
9860         Replace all references to the 'partition' field of a basic
9861         block with new macros.
9862
9863         * insn-notes.def: Delete NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
9864         * final.c (final_scan_insn): Don't handle it.
9865         * modulo-sched.c: Set BB_DISABLE_SCHEDULE flag on g->bb
9866         instead of emitting a NOTE_INSN_DISABLE_SCHED_OF_BLOCK note.
9867         * sched-rgn.c (sched_is_disabled_for_current_region_p):
9868         Look for a BB_DISABLE_SCHEDULE flag on the block instead of a note.
9869
9870 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
9871
9872         * c-decl.c (c_init_decl_processing): Adjust
9873         build_common_tree_nodes call.
9874         * expmed.c (const_mult_add_overflow_p): Use
9875         build_distinct_type_copy.
9876         * stor-layout.c (early_type_list): Remove.
9877         (layout_type): Don't append to early_type_list.
9878         (initialize_sizetypes): Add signed_p argument.
9879         (set_sizetype): Overwrite the stub type nodes directly.
9880         * tree.c (copy_node_stat): Clear a type's value cache here ...
9881         (build_distinct_type): ... not here.
9882         (build_common_tree_nodes): Add signed_sizetype argument. Adjust.
9883         * tree.h (initialize_sizetypes): Add signed_p argument.
9884         (build_common_tree_nodes): Likewise.
9885
9886         * objc/objc-act.c (get_static_reference): Use
9887         build_variant_type_copy.
9888         (get_protocol_reference): Likewise.
9889         * objc/objc-act.h (TREE_STATIC_TEMPLATE): Use TREE_PRIVATE.
9890
9891 2004-08-24  Richard Henderson  <rth@redhat.com>
9892             Andrew Pinski  <apinski@apple.com>
9893
9894         * gimplify.c (gimplify_array_ref_to_plus): Delete.
9895         (gimplify_addr_expr): Do not call gimplify_array_ref_to_plus
9896         for ARRAY_REF.
9897
9898         * config/rs6000/rs6000.c (altivec_expand_builtin): Go passed
9899         ARRAY_REF also to get to the STRING_CST.
9900
9901 2004-08-24  Paul Brook  <paul@codesourcery.com>
9902
9903         * config/arm/arm.c (arm_override_options): Update error message.
9904         * config/arm/arm.h (TARGET_HARD_FLOAT): Rename to
9905         TARGET_HARD_FLOAT_ABI.
9906         (TARGET_SOFT_FLOAT_ABI): Rename to TARGET_HARD_FLOAT.
9907         (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Use TARGET_HARD_FLOAT_ABI.
9908
9909 2004-08-24  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
9910
9911         PR target/17093
9912         * config/m32r.md (movsi_sda): Add SI mode specification to
9913         UNSPEC.
9914
9915 2004-08-24  Nick Clifton  <nickc@redhat.com>
9916
9917         * config/m32r/m32r.h (PREDICATE_CODES): Remove duplicate definition
9918         of seth_add3_operand.
9919
9920 2004-08-24  Nathan Sidwell  <nathan@codesourcery.com>
9921
9922         * Makefile.in (PROTO_OBJS): Add errors.o.
9923         * protoize.c (fancy_abort): Remove.
9924         * mips-tfile.c (fancy_abort): Add parameters.
9925
9926 2004-08-24  Jonathan Wakely  <redi@gcc.gnu.org>
9927
9928         * doc/trouble.texi (C++ misunderstandings): Fix example code.
9929
9930 2004-08-24  Andreas Tobler  <a.tobler@schweiz.ch>
9931
9932         * Makefile.in (HOOKS_H): Add dependency on MACHMODE_H.
9933         (host-default.o): Add dependency on HOOKS_H.
9934         * config/x-linux: Likewise.
9935         * config/x-solaris: Likewise.
9936         * config/i386/x-mingw32: Likewise.
9937         * config/rs6000/x-darwin: Likewise.
9938
9939 2004-08-23  James E Wilson  <wilson@specifixinc.com>
9940
9941         * reg-notes.def (REG_NOTE): In comment, change DEF_INSN_NOTE to
9942         DEF_REG_NOTE.
9943
9944 2004-08-23  Mark Mitchell  <mark@codesourcery.com>
9945
9946         PR c/14492
9947         * dwarf2out.c (loc_descriptor_from_tree): Robustify.
9948
9949 2004-08-23  Diego Novillo  <dnovillo@redhat.com>
9950
9951         * cfg.c (check_bb_profile): Fix typos.
9952         * function.c (assign_parm_is_stack_parm): Likewise.
9953         * tree-nested.c: Likewise.
9954
9955 2004-08-23  Daniel Jacobowitz  <dan@debian.org>
9956
9957         * ggc-zone.c (struc alloc_chunk): Rearrange flag bits and SIZE.
9958         Remove TYPECODE.
9959         (ggc_alloc_zone_1): Mark TYPE as unused.  Don't save it in the chunk.
9960
9961 2004-08-23  Eric Christopher  <echristo@redhat.com>
9962
9963         * defaults.h (VECTOR_MODE_SUPPORTED_P): Remove macro.
9964         * system.h (VECTOR_MODE_SUPPORTED_P): Poison.
9965         * target-def.h (TARGET_VECTOR_MODE_SUPPORTED_P): Define.
9966         * target.h: Ditto.
9967         * hooks.h: Include machmode.h.
9968         (hook_bool_mode_false): Declare.
9969         * hooks.c (hook_bool_mode_false): Define.
9970         * expr.c (vector_mode_valid_p): Use targetm.vector_mode_supported_p.
9971         * stor-layout.c (layout_type): Ditto.
9972         * config/alpha/alpha.c (alpha_vector_mode_supported_p): New function.
9973         Define to target macro.
9974         * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): Delete.
9975         * config/arm/arm.c: Ditto. Use.
9976         * config/arm/arm.h: Ditto.
9977         * config/arm/arm-protos.h: Ditto.
9978         * config/i386/i386.c: Ditto.
9979         * config/i386/i386.h: Ditto.
9980         * config/rs6000/rs6000.c: Ditto.
9981         * config/rs6000/rs6000.h: Ditto.
9982         * config/sh/sh.c: Ditto.
9983         * config/sh/sh.h: Ditto.
9984         * config/sh/sh-protos.h: Ditto.
9985         * config/sh/sh.md: Use.
9986         * doc/tm.texi: Move documentation for VECTOR_MODE_SUPPORTED_P
9987         to TARGET_VECTOR_MODE_SUPPORTED_P.
9988
9989 2004-08-23  Nathan Sidwell  <nathan@codesourcery.com>
9990
9991         * Makefile.in (BUILD_ERRORS): Set to build-errors.
9992         (errors.o): New target for host.
9993         (build-errors.o): New target for build.
9994         (genobjs): Replace errors.o with build-errors.
9995         (gengenrtl$(buildexeext)): Add $(BUILD_ERRORS).
9996         (GCOV_OBJS, GCOV_DUMP_OBJS): Add errors.o.
9997         (fix-headers$(build_exeext)): Add $(BUILD_ERRORS).
9998         (fix-header.o): Add errors.h
9999         * collect2.c (fancy_abort): Add parameters.
10000         * collect2.h (fancy_abort): Don't declare.
10001         * errors.h (fancy_abort): Don't declare.
10002         * errors.c: Include either bconfig.h or config.h.
10003         (fancy_abort): Trim filename.
10004         * fix-header.c (v_fatal, fatal): Remove.
10005         (progname): Remove definition.
10006         (main): Set progname here.
10007         * gcc.c (fancy_abort): Add parameters.
10008         * gcc.h (fancy_abort): Remove declaration.
10009         * gcov.c (fancy_abort): Remove.
10010         * rtl.h (fancy_abort): Don't declare.
10011         (abort): Don't define.
10012         * tree.h (fancy_abort): Don't declare.
10013         (abort): Don't define.
10014         * system.h (fancy_abort): Declare.
10015         (abort): Define to fancy_abort.
10016         * fixinc/Makefile.in (ALLOBJ): Add ../build-errors.o
10017
10018         * tree.h (enum size_type_kind): Remove USIZETYPE, UBITSIZETYPE.
10019         (usize_type, ubitsizetype): Remove.
10020         * stor-layout.c (set_sizetype): Don't initialize usizetype,
10021         ubitsizetype.
10022         * fold-const.c (size_diffop): TYPE can never be ubitsizetype.
10023
10024         * tree.h (build_distinct_type_copy): New.
10025         (build_type_copy): ... here.  Rename to ...
10026         (build_variant_type_copy): ... here.
10027         * tree.c (build_qualified_type): Rename build_type_copy call.
10028         (build_distinct_type_copy): New, broken out of ...
10029         (build_type_copy): ... here.  Rename to ...
10030         (build_variant_type_copy): ... here.  Use
10031         build_distinct_type_copy.
10032         (build_common_tree_nodes_2): Rename build_type_copy call.
10033         * c-common.c (c_common_nodes_and_builtins): Rename build_type_copy
10034         call.
10035         (handle_packed_attribute, handle_unused_attribute,
10036         handle_transparanet_union_attribute, handle_aligned_attribute,
10037         handle_deprecated_attribute): Likewise.
10038         * c-decl.c (clone_underlying_type, store_parm_decls_oldstyle):
10039         Likewise.
10040         * config/arm/arm.c (arm_handle_isr_attribyte): Likewise.
10041         * config/rs6000/rs6000.c (rs6000_init_builtins): Use
10042         build_distinct_type_copy.
10043
10044 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10045
10046         * config/mips/mips.md (mfhilo_[sd]i): Redefine using :GPR.  Add mode
10047         attribute.
10048
10049 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10050
10051         * config/mips/mips.md (length): Don't use mips_fetch_insns for indexed
10052         loads and stores.
10053         (*lwxc1_<mode>, *ldxc1_<mode>, *swxc1_<mode>, *sdxc1_<mode>): Name
10054         formerly unnamed patterns.  Redefine using :P for the address.  Remove
10055         explicit length attributes.
10056
10057 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10058
10059         * tree-ssa-loop-im.c (fem_single_reachable_address, for_each_memref):
10060         New functions.
10061         (single_reachable_address): Use them.
10062         (schedule_sm): Add dump.
10063         (is_call_clobbered_ref): New function.
10064         (determine_lsm_reg): Check whether the reference is call clobbered.
10065         Only work for gimple_reg_type values.
10066
10067 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10068
10069         * config/mips/mips.md (*mov<mode>_ra): Name previously unnamed MIPS16
10070         $31 store insns.  Redefine using :GPR.
10071
10072 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10073
10074         * config/mips/mips.md (P): New mode macro.
10075         (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i)
10076         (*load_got[sd]i, *low[sd]i, *low[sd]i_mips16): Redefine using :P.
10077         Add mode attributes.
10078
10079 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10080
10081         * config/mips/mips.md (UNSPEC_[LS][WD][LR]): Delete in favor of...
10082         (UNSPEC_{LOAD,STORE}_{LEFT,RIGHT}): ...these new constants.  Shuffle
10083         later constants to cover the gap.
10084         (load, store): New mode attributes.
10085         (mov_l[wd]l, mov_l[wd]r, mov_s[wd]l, mov_s[wd]r): Redefine using :GPR.
10086         Use new unspec constants.
10087
10088 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10089
10090         * config/mips/mips.md (one_cmpl[sd]i2): Redefine using :GPR.
10091         (and[sd]3, ior[sd]i3, xor[sd]i3): Likewise.  Change 32-bit patterns
10092         to use register_operand rather than uns_arith_operand as the predicate
10093         for operand 1.  Remove redundant MIPS16 force_reg() for operand 1.
10094         (*and[sd]i3, *ior[sd]i3, *xor[sd]i3): Name formerly unnamed patterns.
10095         Redefine using :GPR.  Make same predicate change here.  Extend the
10096         commutativity of operands 1 and 2 from the SImode version to the
10097         DImode one.
10098         (*and[sd]i3_mips16, *ior[sd]i3_mips16, *xor[sd]i3_mips16): Likewise,
10099         but with no predicate changes.
10100         (*nor[sd]i3): Redefine using :GPR.
10101
10102 2004-08-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
10103
10104         * tree-ssa-operands.c (get_call_expr_operands): Add VUSE operands for
10105         noreturn functions.
10106
10107 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10108
10109         * config/mips/mips.h (ISA_HAS_DCLZ_DCLO): Delete.
10110         * config/mips/mips.md (abs[sd]i2): Redefine using :GPR.  Only use
10111         branch-likely insns for absdi2 if GENERATE_BRANCHLIKELY.  Use "%."
10112         rather than "%z2" (with a fake const0_rtx for operand 2).
10113         (ffs[sd]i2): Redefine using :GPR.
10114         (clz[sd]i2): Likewise.  Use ISA_HAS_CLO_CLZ for the 64-bit case.
10115
10116 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10117
10118         * config/mips/mips.md ({,u}divmod[sd]i4): Redefine using :GPR.
10119
10120 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10121
10122         * config/mips/mips.md (any_extend): New code macro.
10123         (u, su): New code attributes.
10124         ({,u}mulsidi3, {,u}mulsidi3_32bit_internal, {,u}mulsidi3_32bit_r4000)
10125         ({u,s}mulsi3_highpart, {u,s}mulsi3_highpart_internal)
10126         ({u,s}mulsi3_highpart_mulhi_internal, {s,u}muldi3_highpart)
10127         (*{s,u}mul_acc_di): Redefine using any_extend.
10128         (*{,u}muls_di, *{s,u}msac_di): Likewise.  Change names of patterns
10129         to reflect real insn names.
10130         (*mulsidi3_64bit, *mulsidi3_64bit_parts): Replace use of match_operator
10131         with an any_extend template.
10132         ({u,s}mulsi3_highpart_neg_mulhi_internal): Redefine using any_extend.
10133         Add '*' to name.
10134
10135 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10136
10137         * config/mips/mips.h (GENERATE_MULT3_SI): Check TARGET_MAD.
10138         * config/mips/mips.md (mul[sd]i3, mul[sd]i3_internal)
10139         (mul[sd]i3_r4000): Redefine using :GPR.
10140         (mulsi3_mult3): Don't check TARGET_MAD separately.
10141         (muldi3_mult3): Moved after mulsi_mult3.
10142
10143 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10144
10145         * config.gcc (mips-*-*): Remove definitions of MASK_GAS and
10146         OBJECT_FORMAT_ELF.  Set MASK_SPLIT_ADDR by default if using GNU ld.
10147         * config/mips/mips.h (MASK_GAS): Delete.  Shuffle later masks down.
10148         (TARGET_GAS, TARGET_MIPS_AS): Delete.
10149         (TARGET_GPWORD): Define to true for n32 on IRIX.
10150         (TARGET_SWITCHES): Remove -mmips-as.  Turn -mgas into a no-op.
10151         (MIPS_AS_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC): Delete.
10152         (GAS_ASM_SPEC): Delete, folding into ASM_SPEC.
10153         (ASM_ABI_DEFAULT_SPEC, TARGET_ASM_SPEC): Delete.
10154         (MDEBUG_ASM_SPEC): Delete, folding into...
10155         (SUBTARGET_ASM_DEBUGGING_SPEC): ...here.
10156         (ASM_SPEC): Inline old GAS_ASM_SPEC.  Use GNU names for ABI switches.
10157         (EXTRA_SPECS): Remove mips_as_asm_spec, gas_asm_spec, target_asm_spec,
10158         subtarget_mips_as_asm_spec, mdebug_asm_spec.  Use MULTILIB_ABI_DEFAULT
10159         to define asm_abi_default_spec.
10160         (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): Delete.
10161         (TARGET_ASM_SELECT_SECTION): Delete.
10162         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Define to 0x7ff0
10163         for non-mips16 code, removing previous workaround for SGI assemblers.
10164         (TARGET_ASM_INTEGER, mips_assemble_integer): Delete.
10165         (TARGET_ASM_ALIGNED_DI_OP): Define this instead.
10166         (override_options): Remove !TARGET_GAS and !have_named_sections code.
10167         (print_operand): Fold TARGET_GAS conditionals into asm strings.
10168         (mips_output_filename): Remove !TARGET_GAS code.  Replace use of
10169         ASM_STABS_OP and ASM_STABN_OP.
10170         (mips_file_start): Remove TARGET_MIPS_AS/TARGET_GAS checks.
10171         (mips_output_aligned_decl_common): Remove mention of SGI o32 assembler.
10172         (mips_output_function_prologue): Remove !TARGET_GAS code.
10173         (mips_select_rtx_section): Remove !have_named_sections code.
10174         (mips_select_section): Delete.
10175         * config/mips/mips.md (trap): Remove !TARGET_GAS check.
10176         * config/mips/linux.h (TARGET_DEFAULT): Remove use of MASK_GAS.
10177         * config/mips/sdb.h (PUT_SDB_DEF, PUT_SDB_PLAIN_DEF): Delete.
10178         (PUT_SDB_BLOCK_START, PUT_SDB_BLOCK_END): Fold TARGET_GAS conditional.
10179         * config/mips/vxworks.h (ASM_SPEC): As for mips.h.
10180         * config/mips/windiss.h (ASM_SPEC): Likewise.
10181
10182 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10183
10184         * read-rtl.c (map_value, mapping, macro_group): New structures.
10185         (BELLWETHER_CODE): New macro.
10186         (modes, codes, bellwether_codes): New variables.
10187         (find_mode, uses_mode_macro_p, apply_mode_macro, find_code)
10188         (uses_code_macro_p, apply_code_macro, apply_macro_to_string)
10189         (apply_macro_to_rtx, uses_macro_p, add_condition_to_string)
10190         (add_condition_to_rtx, apply_macro_traverse, add_mapping)
10191         (add_map_value, initialize_macros): New functions.
10192         (def_hash, def_hash_eq_p): Generalize to anything that points to,
10193         or starts with, a char * field.
10194         (find_macro, read_mapping, check_code_macro): New functions.
10195         (read_rtx_1): New, split out from read_rtx.  Handle the new
10196         define_{mode,code}_{macro,attr} constructs.  Use find_macro
10197         to parse the name of a code or mode.  Use BELLWETHER_CODE to
10198         extract the format and to choose a suitable code for rtx_alloc.
10199         Modify recursive invocations to use read_rtx_1.
10200         (read_rtx): Call initialize_macros.  Apply code and mode macros
10201         to the rtx returned by read_rtx_1.  Cache everything after the
10202         first macro expansion for subsequent read_rtx calls.
10203         * doc/md.texi: Document new .md constructs.
10204         * config/mips/mips.md (GPR): New mode macro.
10205         (d, si8_di5): New mode attributes.
10206         (any_cond): New code macro.
10207         (add[sd]i3): Redefine using :GPR.
10208         (*add[sd]i3): Likewise, renaming from add[sd]i3_internal.
10209         (*add[sd]i3_sp[12], *add<mode>3_mips16): Redefine using :GPR, naming
10210         previously unnamed MIPS16 patterns.
10211         (*addsi3_extended): Renamed from addsi3_internal_2.  Fix overly long
10212         lines.  Don't match (plus (const_int 0) ...).
10213         (*addsi3_extended_mips16): Name previously unnamed MIPS16 pattern.
10214         Use a define_split to generate the addition.
10215         (sub[sd]i3): Redefine using :GPR.  Turn subsi3 into a define_insn.
10216         (subsi3_internal): Delete.
10217         (*subsi3_extended): Renamed from subsi3_internal_2.
10218         (bunordered, bordered, bunlt, bunge, buneq, bltgt, bunle, bungt)
10219         (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Redefine
10220         using an any_cond template.
10221
10222 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10223
10224         * read-rtl.c (read_rtx): Tidy use of format_ptr.
10225
10226 2004-08-23  Richard Sandiford  <rsandifo@redhat.com>
10227
10228         * read-rtl.c (string_obstack): New file-scope variable.
10229         (read_string, read_quoted_string, read_braced_string)
10230         (read_escape): Remove obstack parameter and use string_obstack instead.
10231         (read_rtx): Remove function-local rtl_obstack and initialize
10232         string_obstack instead.  Update call to read_string.
10233
10234 2004-08-22  Andrew Pinski  <apinski@apple.com>
10235
10236         PR c/15262
10237         * c-typeck.c (build_unary_op): Use &a.b if the foldded lowered
10238         expression is not constant.
10239         (c_finish_return): Do not go through INDIRECT_REF when looking
10240         for the inner expression of an ADDR_EXPR for warning about.
10241
10242 2004-08-22  Richard Henderson  <rth@redhat.com>
10243
10244         PR 17075
10245         * cfgexpand.c (expand_gimple_tailcall): Detect when we can both
10246         create new blocks and fall through.
10247         (expand_gimple_basic_block): Update to match.
10248
10249 2004-08-22  Ulrich Weigand  <uweigand@de.ibm.com>
10250
10251         * reload.c (find_reloads_address): Make return value tri-state.
10252         Return -1 if LEGITIMIZE_RELOAD_ADDRESS succeeded.
10253         (find_reloads): Assume that reloaded addresses match 'o' or
10254         EXTRA_MEMORY_CONSTRAINT constraints only if find_reloads_address
10255         returned 1 (not -1).  Omit optional reloads for address operands
10256         only if find_reloads_address returned 1 (not -1).
10257
10258         * config/s390/s390.c (legitimize_reload_address): New function.
10259         * config/s390/s390-protos.h (legitimize_reload_address): Declare.
10260         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Define.  Call
10261         legitimize_reload_address.
10262
10263 2004-08-22  Richard Hendersion  <rth@redhat.com>
10264
10265         * tree.h (SAVE_EXPR_RESOLVED_P): New.
10266         * gimplify.c (gimplify_save_expr): Use it.
10267         * expr.c (expand_expr_real_1): Likewise.  Also set DECL_IGNORED_P
10268         on the temporary variable.
10269
10270 2004-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
10271
10272         * fold-const.c (rtl_expr_nonnegative_p): Delete.
10273         * tree.h (rtl_expr_nonnegative_p): Remove.
10274
10275 2004-08-22  Steven Bosscher  <stevenb@suse.de>
10276
10277         * config/i386/ppro.md (ppro_complex_insn): Add missing check
10278         for cpu==pentiumpro.
10279
10280         * combine.c (struct reg_stat): Fix comment typo.
10281
10282 2004-08-22  Joseph S. Myers  <jsm@polyomino.org.uk>
10283
10284         * c-tree.h (c_sizeof_nowarn): Remove.
10285
10286 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
10287
10288         * c-decl.c (set_array_declarator_type): Rename to
10289         set_array_declarator_inner.
10290         (build_c_parm, build_attrs_declarator, build_function_declarator):
10291         New functions.
10292         (make_pointer_declarator): Call build_attrs_declarator.
10293         * c-tree.h (set_array_declarator_type): Rename to
10294         set_array_declarator_inner.
10295         (build_c_parm, build_attrs_declarator, build_function_declarator):
10296         New prototypes.
10297         * c-parse.in (after_type_declarator,
10298         parm_declarator_starttypename, parm_declarator_nostarttypename,
10299         notype_declarator, absdcl_maybe_attribute, direct_absdcl1, parm,
10300         firstparm): Use these functions
10301
10302 2004-08-21  Joseph S. Myers  <jsm@polyomino.org.uk>
10303
10304         * c-decl.c (build_array_declarator, set_array_declarator_type,
10305         start_decl, grokdeclarator, grokparms): Change boolean parameters
10306         to type bool.
10307         * c-tree.h (build_array_declarator, set_array_declarator_type,
10308         start_decl): Update prototypes.
10309         * c-decl.c, c-parse.in: All callers changed.
10310
10311 2004-08-21  Mike Stump  <mrs@apple.com>
10312
10313         * config/rs6000/darwin.h (SUBTARGET_OPTIONS): Move from here, to...
10314         (darwin_fix_and_continue): Likewise.
10315         (darwin_fix_and_continue_switch): Likewise.
10316         * config/darwin.h (SUBTARGET_OPTIONS): ...here, to fix -mone-byte-bool.
10317         (darwin_fix_and_continue): Likewise.
10318         (darwin_fix_and_continue_switch): Likewise.
10319
10320 2004-08-21  Danny Smith  <dannysmith@users.sourceforge.net>
10321
10322         PR  c++/16030
10323         * config/i386/winnt/c (gen_stdcall_suffix, gen_fastcall_suffix):
10324         Remove, merging into ...
10325         (gen_stdcall_or_fastcall_suffix): New function, returning tree
10326         rather than const char*, and accepting additional parameter.
10327         Don't add suffix to '*'-prefixed symbols or variadic functions.
10328         (i386_pe_encode_section_info): Adjust for call to new function.
10329         Call change_decl_assembler_name.
10330
10331 2004-08-20  Mike Stump  <mrs@apple.com>
10332
10333         * config/darwin.c (machopic_indirect_data_reference): Mark
10334         stubs as defined.
10335         * config/386/386.c (darwin_local_data_pic): Add.
10336         (legitimate_constant_p): Reorder so that PLUS handling runs
10337         before darwin_local_data_pic to match the ordering in
10338         legitimate_pic_address_disp_p and so that MINUS runs after
10339         darwin_local_data_pic as otherwise the darwin_local_data_pic
10340         logic can be skipped, which would be very bad.
10341         (legitimate_pic_address_disp_p): Move from from here to
10342         darwin_local_data_pic so it can be reused.
10343
10344 2004-08-21  Alan Modra  <amodra@bigpond.net.au>
10345
10346         * config/rs6000/linux64.h (DOT_SYMBOLS): Define.
10347         (CRT_CALL_STATIC_FUNCTION): Define !DOT_SYMBOLS version.
10348         (ASM_DECLARE_FUNCTION_SIZE): Modify for !DOT_SYMBOLS.
10349         (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_BRAC, DBX_OUTPUT_NFUN): Likewise.
10350         (RS6000_ABI_NAME): Define as "linux".
10351         (SUBSUBTARGET_OVERRIDE_OPTIONS): Set dot_symbols.
10352         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Select
10353         ABI_AIX when rs6000_abi_name is "linux" and TARGET_64BIT.
10354         * config/rs6000/rs6000-protos.h (rs6000_output_function_entry): Decl.
10355         * config/rs6000/rs6000.c (dot_symbols): New global var.
10356         (rs6000_output_function_entry): New function, modified for
10357         !DOT_SYMBOLS..
10358         (print_operand <case 'z'>): ..extracted from here.
10359         (rs6000_assemble_visibility): Modify for !DOT_SYMBOLS.
10360         (rs6000_output_function_epilogue): Likewise.
10361         (rs6000_elf_declare_function_name): Likewise.
10362         * config/rs6000/rs6000.h (DOT_SYMBOLS): Define.
10363         (ASM_WEAKEN_DECL, ASM_OUTPUT_DEF_FROM_DECLS): Modify for !DOT_SYMBOLS.
10364         * configure.ac (HAVE_LD_NO_DOT_SYMS): Add new AC_DEFINE.
10365         * configure: Regenerate.
10366         * config.in: Regenerate.
10367
10368 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
10369
10370         * reload.c (find_reloads_address): Fix thinko in previous change.
10371
10372         * reload.c (find_reloads_address): Reload the sum of a LO_SUM and
10373         a CONST_INT.
10374
10375 2004-08-20  Jakub Jelinek  <jakub@redhat.com>
10376
10377         PR rtl-optimization/17099
10378         * combine.c (force_to_mode): Check if inner_mask has any bits set
10379         outside of GET_MODE (x) instead of op_mode.
10380
10381 2004-08-20  Mark Mitchell  <mark@codesourcery.com>
10382
10383         * config.gcc (arm*-*-symbianelf*): Add t-symbian Makefile
10384         fragment.
10385         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Fix typo.
10386         (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=3 to the assembler.
10387         * config/arm/symbian.h (SUBTARGET_CPU_DEFAULT): Assume ARMV5
10388         architecture.
10389         (SUBTARGET_ASM_FLOAT_SPEC): Default to -mfpu=vfp for hard-float
10390         configurations.
10391         * config/arm/t-symbian: New file.
10392
10393 2004-08-20  Andrew Pinski  <apinski@apple.com>
10394
10395         * regrename.c (kill_value_regno): ANSIfy.
10396
10397 2004-08-20  Dale Johannesen  <dalej@apple.com>
10398
10399         * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve DIV/MOD.
10400
10401 2004-08-20  Daniel Jacobowitz  <dan@debian.org>
10402
10403         * regrename.c (kill_value_one_regno): Renamed from kill_value_regno.
10404         (kill_value_regno): New function, derived from kill_value.
10405         (kill_value): Update.
10406         (copyprop_hardreg_forward_1): Update call to kill_value_regno.
10407
10408 2004-08-20  Daniel Berlin  <dberlin@dberlin.org>
10409
10410         Fix PR tree-optimization/17111
10411         * tree-ssa-pre.c (create_value_expr_from): Don't change the types
10412         of non-value_handles.
10413         (bitmap_set_contains): All constants are in every set.
10414
10415 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
10416
10417         * fold-const.c (round_up, round_down): Use build_int_cst.
10418         Optimize common case.
10419
10420 2004-08-20  Zack Weinberg  <zack@codesourcery.com>
10421             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10422
10423         * config/pa/pa-protos.h (readonly_data, one_only_readonly_data_section,
10424         one_only_data_section): Rename to som_readonly_data_section,
10425         som_one_only_readonly_data_section and som_one_only_data_section.
10426         * config/pa/pa.c (ONE_ONLY_TEXT_SECTION_ASM_OP,
10427         NEW_TEXT_SECTION_ASM_OP, DEFAULT_TEXT_SECTION_ASM_OP): Delete
10428         conditional defines.
10429         (som_text_section_asm_op): Replace ONE_ONLY_TEXT_SECTION_ASM_OP,
10430         NEW_TEXT_SECTION_ASM_OP and DEFAULT_TEXT_SECTION_ASM_OP with actual
10431         string values.
10432         (pa_select_section): Use renamed section functions.
10433         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
10434         SOM_READONLY_DATA_SECTION_FUNCTION,
10435         SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
10436         SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION):
10437         Define here ...
10438         * config/pa/som.h: ... not here.
10439         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
10440         ONE_ONLY_TEXT_SECTION_ASM_OP, READONLY_DATA_ASM_OP,
10441         ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
10442         ONE_ONLY_DATA_SECTION_ASM_OP): Delete.
10443         (READONLY_DATA_SECTION): Use som_readonly_data_section.
10444
10445 2004-08-20  Nathan Sidwell  <nathan@codesourcery.com>
10446
10447         * fold-const.c (int_const_binop): Don't generate non-overflowing
10448         size-types specially.
10449         (fold_convert_const): Likewise.
10450
10451         * stor-layout.c (initialize_sizetypes): Set SIZETYPE earlier,
10452         clear cache on copied sizetype.
10453
10454 2004-08-20  Ben Elliston  <bje@au.ibm.com>
10455
10456         * configure.ac: Don't escape apostrophe in --enable-coverage help.
10457         * configure: Regenerate.
10458
10459 2004-08-20  Danny Smith  <dannysmith@users.sourceforge.net>
10460
10461         PR 5620
10462         * gcc.c (struct stat input_stat): Don't define if
10463         HOST_LACKS_INODE_NUMBERS
10464         (do_spec_1): If HOST_LACKS_INODE_NUMBERS, use lrealpath rather
10465         than stat to determine if temp file is same as input file.
10466         * doc/hostconfig.texi: Document HOST_LACKS_INODE_NUMBERS.
10467         * config/i386/xm-mingw32.h: Define HOST_LACKS_INODE_NUMBERS
10468
10469 2004-08-20  Richard Sandiford  <rsandifo@redhat.com>
10470
10471         * configure.ac (mips*-*-*): Print an error if not using GAS.
10472         * configure: Regenerated.
10473         * doc/install.texi: Remove irix5 bullet from --with-gnu-as.  Remove
10474         comments about buggy MIPSpro assemblers.
10475         * config.gcc (mips-sgi-irix[56]*): Combine stanzas.  Include elfos.h
10476         before mips.h and iris.h after it.  Use t-iris and t-slibgcc-irix.
10477         Use iris5.h only for IRIX 5 configs.  Use iris6.h and t-iris6 for
10478         IRIX 6 configs.  Define IRIX_USING_GNU_LD if using GNU ld.
10479         * config/mips/iris5.h (TARGET_IRIX, SWITCHES_NEED_SPACES)
10480         (DEFAULT_SIGNED_CHAR, WORD_SWITCH_TAKES_ARG, SUBTARGET_CC1_SPEC)
10481         (NO_IMPLICIT_EXTERN_C, MIPS_DEFAULT_GVALUE)
10482         (TARGET_ASM_EXTERNAL_LIBCALL): Move to iris.h.
10483         (WCHAR_TYPE, WCHAR_TYPE_SIZE, TARGET_OS_CPP_BUILTINS): Delete in favor
10484         of more general IRIX 6 definitions.
10485         (OBJECT_FORMAT_ELF, ASM_OUTPUT_ASCII, ASM_WEAKEN_LABEL)
10486         (HANDLE_SYSV_PRAGMA): Delete in favor of elfos.h definitions.
10487         (TARGET_IRIX5, ABICALLS_ASM_OP, BSS_SECTION_ASM_OP, HAS_INIT_SECTION)
10488         (LD_INIT_SWITCH, LD_FINI_SWITCH, SUBTARGET_ASM_OPTIMIZING_SPEC)
10489         (ASM_FINAL_SPEC, DBX_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
10490         (PREFERRED_DEBUGGING_TYPE, DWARF2_UNWIND_INFO, SET_FILE_NUMBER)
10491         (LABEL_AFTER_LOC, DOLLARS_IN_IDENTIFIERS, NO_DOLLAR_IN_LABEL)
10492         (TARGET_ASM_NAMED_SECTION, EXTRA_SECTION_FUNCTIONS)
10493         (ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_WEAK_ALIAS)
10494         (SUBTARGET_EXTRA_SPECS): Delete definitions or undefs.
10495         (LINK_SPEC): Move most of definition to iris.h.
10496         (SUBTARGET_LINK_SPEC): New macro.
10497         (IRIX_STARTFILE_SPEC): Fold into...
10498         (STARTFILE_SPEC): ...here.
10499         (IRIX_ENDFILE_SPEC): Fold into...
10500         (ENDFILE_SPEC): ...here.
10501         * config/mips/iris6.h (TARGET_IRIX5): Remove override.
10502         (WCHAR_TYPE, WCHAR_TYPE_SIZE, WINT_TYPE, WINT_TYPE_SIZE)
10503         (DWARF_OFFSET_SIZE, DWARF_INITIAL_LENGTH_SIZE, SET_ASM_OP)
10504         (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES, ASM_DECLARE_OBJECT_NAME)
10505         (ASM_FINISH_DECLARE_OBJECT, LOCAL_LABEL_PREFIX): Move to iris.h.
10506         (TARGET_OS_CPP_BUILTINS): Likewise.  Guard IRIX6-specific bits.
10507         (DWARF2_UNWIND_INFO, DWARF2_GENERATE_TEXT_SECTION_LABEL)
10508         (SUBTARGET_CPP_SPEC, DWARF2_DEBUGGING_INFO, MIPS_DEBUGGING_INFO)
10509         (PREFERRED_DEBUGGING_TYPE, DWARF2_FRAME_INFO, MD_EXEC_PREFIX)
10510         (ASM_DECLARE_FUNCTION_NAME, ASM_DECLARE_FUNCTION_SIZE)
10511         (FUNCTION_NAME_ALREADY_DECLARED, SUPPORTS_INIT_PRIORITY)
10512         (POPSECTION_ASM_OP, SUBTARGET_ASM_SPEC, SUBTARGET_MIPS_AS_ASM_SPEC)
10513         (SUBTARGET_ASM_DEBUGGING_SPEC, SUBTARGET_ASM_OPTIMIZING_SPEC)
10514         (BSS_SECTION_ASM_OP*, READONLY_DATA_SECTION_ASM_OP*)
10515         (EH_FRAME_SECTION_NAME, MUST_USE_SJLJ_EXCEPTIONS, CTORS_SECTION_ASM_OP)
10516         (DTORS_SECTION_ASM_OP, TARGET_ASM_NAMED_SECTION, EH_FRAME_SECTION_NAME)
10517         (ASM_OUTPUT_ALIGN, ASM_OUTPUT_FILENAME, ASM_OUTPUT_ALIGNED_LOCAL)
10518         (ASM_OUTPUT_ALIGNED_BSS): Remove definitions or undefs.
10519         (TARGET_IRIX6): Define to 1.
10520         (DRIVER_SELF_SPECS): Define.
10521         (DWARF2_FRAME_INFO): Define to 1 rather than !TARGET_SGI_O32_AS.
10522         (SUBTARGET_CC1_SPEC): Remove in favor of DRIVER_SELF_SPECS.
10523         (SUBTARGET_LINK_SPEC): New macro.
10524         (IRIX_STARTFILE_SPEC): Fold into...
10525         (STARTFILE_SPEC): ...here.  Remove !mabi=* case.
10526         (SUBTARGET_{,DONT_}WARN_UNUSED_SPEC): New macros.
10527         (LIB_SPEC, LIBGCC_SPEC): Use them.
10528         (LIB_SPEC): Remove !mabi=* case.
10529         (IRIX_ENDFILE_SPEC): Fold into...
10530         (ENDFILE_SPEC): ...here.  Remove !mabi=* case.
10531         * config/mips/mips-protos.h (irix_output_external_libcall): Delete.
10532         * config/mips/mips.h (TARGET_IRIX5, TARGET_SGI_O32_AS): Delete.
10533         (TARGET_IRIX6): New macro.
10534         (ASM_ABI_DEFAULT_SPEC): Remove !ELF definition.
10535         (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, SET_FILE_NUMBER)
10536         (LABEL_AFTER_LOC): Delete.
10537         * config/mips/mips.c (TARGET_ASM_FILE_START, TARGET_ASM_FILE_END)
10538         (TARGET_SECTION_TYPE_FLAGS): Remove TARGET_IRIX versions.
10539         (mips_build_builtin_va_list): Check TARGET_IRIX6.
10540         (override_options): Remove TARGET_SGI_O32_AS-related code.
10541         (irix_output_external_libcall): Make static.
10542         (mips_output_filename): Avoid use of SET_FILE_NUMBER and
10543         LABEL_AFTER_LOC.
10544         (mips_file_start): Tidy guard for ABI sections.  Remove use of
10545         ABICALLS_ASM_OP; use .abicalls instead.
10546         (mips_output_aligned_decl_common, mips_declare_object_name)
10547         (mips_finish_declare_object): Remove use of TARGET_SGI_O32_AS.
10548         (mips_output_function_prologue): Set TREE_ASM_WRITTEN if emitting
10549         .globl foo .text directives.
10550         (irix_asm_named_section_1, irix_asm_named_section)
10551         (irix_section_align_entry, irix_section_align_htab)
10552         (irix_orig_asm_out_file, irix_section_align_entry_eq)
10553         (irix_section_align_entry_hash, irix_asm_output_align)
10554         (irix_file_start, irix_section_align_1, copy_file_data)
10555         (irix_file_end, irix_section_type_flags): Delete.
10556         * config/mips/irix-crti.asm (__gcc_init): Move to .gcc_init section.
10557         Use standard section syntax.  Remove protective "jr $31".
10558         (__gcc_fini): Likewise .gcc_fini.
10559         * config/mips/irix-crtn.asm: Adjust sections accordingly.
10560         * config/mips/sdb.h (PUT_SDB_SIZE, PUT_SDB_TYPE): Moved from
10561         iris5gas.h.
10562         * config/mips/t-iris (irix-crti.o, irix-crtn.o): New rules, moved
10563         from t-irix-gld.
10564         (EXTRA_MULTILIB_PARTS): Define.
10565         * config/mips/t-iris6: Remove bogus comment.
10566         (EXTRA_MULTILIB_PARTS, CRTSTUFF_T_CFLAGS): Delete.
10567         * config/mips/iris5gas.h, config/mips/iris5gld.h,
10568         config/mips/iris6gas.h, config/mips/iris6gld.h,
10569         config/mips/t-iris5-as, config/mips/t-iris5-gas
10570         config/mips/t-irix-gld: Delete.
10571         * config/mips/iris.h: New file.
10572         * config/mips/t-slibgcc-irix: Renamed from t-iris5-6.
10573
10574 2004-08-20  Richard Earnshaw  <rearnsha@arm.com>
10575
10576         * postreload.c (reload_cse_move2add): Allow any condjump, but check
10577         that the implicit set isn't clobbered in the jump insn.
10578
10579 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
10580
10581         * defaults.h (TARGET_LIBGCC_LIBFUNCS): Remove.
10582         * optabs.c (init_optabs): Don't check it.
10583         * config/arm/bpabi.h (TARGET_LIBGCC_LIBFUNCS): Do not define.
10584         * doc/tm.texi (TARGET_LIBGCC_FUNCS): Remove.
10585
10586 2004-08-18  Andreas Krebbel  <krebbel1@de.ibm.com>
10587
10588         * config/s390/s390.md (s390_warn_framesize_string)
10589         (s390_warn_dynamic_string, s390_stack_size_string)
10590         (s390_stack_guard_string): New global string variables.
10591         (s390_warn_framesize, s390_warn_dynamicstack_p, s390_stack_size)
10592         (s390_stack_guard): New global variables.
10593         (override_options): Added checks for the new options.
10594         (s390_emit_prologue): Emit stack check and trap code and perform
10595         compile time stack size checking.
10596
10597         * config/s390/s390.h (TARGET_OPTIONS): Added new options
10598         "warn-framesize", "warn-dynamicstack", "stack-size" and
10599         "stack-guard".
10600
10601         * doc/invoke.texi: Added documentation for the new options.
10602
10603 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
10604
10605         * unwind-dw2-fde.c (get_cie_encoding): Cast argument to strlen
10606         to eliminate warning.
10607         (linear_search_fdes): Declare p as unsigned.
10608         (binary_search_mixed_encoding_fdes): Likewise.
10609         * unwind-dw2.c (get_cie_encoding): Cast argument to strlen
10610         to eliminate warning.
10611         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Add missing
10612         type cast.
10613
10614 2004-08-19  Ulrich Weigand  <uweigand@de.ibm.com>
10615
10616         * config/s390/s390-protos.h (preferred_la_operand_p): Adapt prototype.
10617         * config/s390/s390.c (preferred_la_operand_p): Accept two operands
10618         instead of one.  Check for strictly legitimate address.
10619         * config/s390/s390.md ("*la_31"/"*la_64" peepholes): Adapt call
10620         to preferred_la_operand_p, do not call gen_rtx_PLUS in predicate.
10621
10622 2004-08-19  Eric Christopher  <echristo@redhat.com>
10623
10624         * langhooks-def.h (LANG_HOOKS_UNSAVE_EXPR_NOW): Remove.
10625         * langhooks.h (unsave_expr_now): Ditto.
10626         * tree.h (unsave_expr_1): Remove prototype.
10627         (lhd_unsave_expr_now): Rename to unsave_expr_now.
10628         * tree-inline.c (unsave_expr_1): Move here
10629         from tree.c. Make static.
10630         (unsave_expr_now): Rename from lhd_unsave_expr_now.
10631         * tree-sra.c: Fix up for rename.
10632         * tree-ssa-copy.c: Ditto.
10633         * tree-eh.c: Ditto.
10634         * tree.c (unsave_expr_1): Move to tree-inline.c.
10635
10636 2004-08-19  Caroline Tice  <ctice@apple.com>
10637
10638         * config/i386/cygming.h (switch_to_section):  Fix typo (change
10639         in_unlikely_text_section to in_unlikely_executed_text).
10640
10641 2004-08-19  Daniel Berlin  <dberlin@dberlin.org>
10642
10643         * vec.h (VEC_lower_bound): New macro.
10644
10645 2004-08-19  Richard Sandiford  <rsandifo@redhat.com>
10646
10647         PR target/16446
10648         * config/mips/mips.c (struct mips_arg_info): Delete num_bytes.
10649         (mips_arg_info): Update accordingly.  Remove common treatment of fpr_p;
10650         treat each ABI separately.  Deal with n32/n64 complex float arguments.
10651         (function_arg): Add associated complex handling here.
10652
10653 2004-08-19  Richard Henderson  <rth@redhat.com>
10654
10655         * config/arm/arm.c (arm_gen_load_multiple): Use
10656         adjust_automodify_address.  Take base memory and offset instead
10657         of unchanging/struct/scalar bits.
10658         (arm_gen_store_multiple): Likewise.
10659         (arm_gen_movmemqi): Use adjust_automodify_address.
10660         * config/arm/arm-protos.h: Update decls.
10661         * config/arm/arm.md (load_multiple): Update arm_gen_load_multiple call.
10662         (store_multiple): Similarly.
10663
10664 2004-08-19  J"orn Rennecke <joern.rennecke@superh.com>
10665
10666         * regclass.c (globalize_reg): Update call_really_used_regs.
10667
10668 2004-08-19  Nathan Sidwell  <nathan@codesourcery.com>
10669
10670         * doc/invoke.texi (integer-share-limit): Document.
10671
10672         * tree.h (TYPE_CACHED_VALUES_P): New.
10673         (TYPE_CACHED_VALUES): New.
10674         (TYPE_ORIG_SIZE_TYPE): Adjust.
10675         * tree.def (INTEGER_CST): Update documentation.
10676         * tree.c: Inlcude params.h.
10677         (build_int_cst): Cache small values.
10678         (build_type_copy): Do not copy the value cache.
10679         * c-common.c (c_common_nodes_and_builtins): Add comment, remove
10680         unneeded zeroing.
10681         * c-typeck.c (build_c_cast): Add comment about OVERFLOW setting.
10682         * expmed.c (const_mult_add_overflow_p): Clear type copy's value
10683         cache.
10684         * fold-const.c (force_fit_type): Copy value when setting
10685         overflows.
10686         (int_const_binop): Likewise.
10687         * stor-layout.c: Include params.h
10688         (set_sizetype): Create values cache.
10689         (fixup_unsigned_type): Set UNSIGNED_P before caching any values.
10690         * params.def (PARAM_INTEGER_SHARE_LIMIT): New.
10691         * params.h (INTEGER_SHARE_LIMIT): New.
10692         * Makefile.in (tree.o, stor-layout.o): Depend on PARAMS_H.
10693
10694 2004-08-19  Paolo Bonzini  <bonzini@gnu.org>
10695
10696         * gimplify.c (gimplify_minimax_expr): Remove.
10697         (gimplify_expr) <MIN_EXPR, MAX_EXPR>: Remove special handling.
10698
10699 2004-08-19  Dorit Naishlos  <dorit@il.ibm.com>
10700
10701         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
10702         STACK_BOUDARY with PREFERRED_STACK_BOUNDARY.
10703
10704 2004-08-19  Mark Mitchell  <mark@codesourcery.com>
10705
10706         * bpabi.h (FPUTYPE_DEFAULT): Set it to FPUTYPE_VFP.
10707
10708 2004-08-18  Andrew Pinski  <apinski@apple.com>
10709
10710         * varasm.c (ecode_reg_name): Do nothing if the asmspec is empty.
10711
10712 2004-08-18  Mark Mitchell  <mark@codesourcery.com>
10713
10714         * config/arm/bpabi.c (__aeabi_ul2d): Give it default visibility.
10715         (__aeabi_ul2f): Likewise.
10716
10717 2004-08-18  Richard Henderson  <rth@redhat.com>
10718
10719         * config/xtensa/xtensa.c (xtensa_expand_block_move): Expand block
10720         move to rtl completely.
10721         (struct meminsnbuf, xtensa_emit_block_move): Remove.
10722         (xtensa_find_mode_for_size): Remove.
10723         * config/xtensa/xtensa-protos.h (xtensa_emit_block_move): Remove.
10724         * config/xtensa/xtensa.md (movmemsi_internal): Remove.
10725
10726 2004-08-18  Richard Henderson  <rth@redhat.com>
10727
10728         * config/mcore/mcore.c (mode_from_align): Remove DImode.
10729         (block_move_sequence): Rewrite to use adjust_address.
10730         (mcore_expand_block_move): Cleanup logic.  Accept only operands.
10731         Return boolean indicating success/failure.
10732         * config/mcore/mcore-protos.h (mcore_expand_block_move): Update decl.
10733         * config/mcore/mcore.md (movmemsi): Update to match.
10734
10735 2004-08-18  Mike Stump  <mrs@apple.com>
10736
10737         * doc/invoke.texi (-mfix-and-continue): Add support for
10738         fast turn around debugging.
10739         (-ffix-and-continue): Likewise.
10740         (-mindirect-data): Likewise.
10741         (-findirect-data): Likewise.
10742         * config/darwin.c (TARGET_FIX_AND_CONTINUE): Likewise.
10743         (indirect_data): Likewise.
10744         (machopic_data_defined_p): Likewise.
10745         (machopic_output_indirection): Likewise.
10746         (darwin_encode_section_info): Likewise.
10747         (darwin_fix_and_continue): Likewise.
10748         (darwin_fix_and_continue_switch): Likewise.
10749         * config/darwin.h (MACHO_SYMBOL_STATIC): Likewise.
10750         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
10751         (SUBTARGET_OPTION_TRANSLATE_TABLE): Likewise.
10752         (SUBTARGET_OPTIONS): Likewise.
10753         (darwin_fix_and_continue): Likewise.
10754         (darwin_fix_and_continue_switch): Likewise.
10755         (TARGET_FIX_AND_CONTINUE): Likewise.
10756         * config/rs6000.c (rs6000_emit_prologue): Likewise.
10757
10758 2004-08-19  Steven Bosscher  <stevenb@suse.de>
10759
10760         * basic-block.h (struct edge_def): Remove crossing_edge.
10761         (EDGE_CROSSING): New define.
10762         (EDGE_ALL_FLAGS): Update.
10763         * bb-reorder.c (find_traces_1_round, better_edge_p,
10764         find_rarely_executed_basic_blocks_and_cr, fix_up_fall_thru_edges,
10765         find_jump_block, fix_crossing_conditional_branches,
10766         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
10767         Replace all occurences of crossing_edge with an edge flag check
10768         or set/reset.
10769         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
10770         try_crossjump_bb): Likewise.
10771         * cfglayout.c (fixup_reorder_chain): Likewise.
10772         * cfgrtl.c (force_nonfallthru_and_redirect,
10773         commit_one_edge_insertion): Likewise.
10774
10775         * Makefile.in (cfganal.o): Depend on TIMEVAR_H.
10776         * tree-flow.h (compute_dominance_frontiers): Move prototype...
10777         * basic-block.h:  ...here.
10778         * tree-cfg.c (compute_dominance_frontiers_1,
10779         compute_dominance_frontiers): Move from here...
10780         * cfganal.c: ...to here.  Include timevar.h.
10781
10782 2004-08-18  James E Wilson  <wilson@specifixinc.com>
10783
10784         * config/mips/mips.h (ASM_SPEC): In comment, change -meabi= to -mabi=.
10785         * config/mips/sb1.md (ir_sb1_divsf_1pipe): Renamed from ...1pipes.
10786
10787         * config/mips/mips.md (type): Add frdiv.
10788         (divsf3+1, divsf3+2): Change type to frdiv.
10789         * config/mips/sb1.md (ir_sb1_recipsf_2pipes, ir_sb1_recipsf_1pipe,
10790         ir_sb1_recipdf_2pipes, ir_sb1_recipdf_1pipe): New.
10791
10792         * config/mips/3000.md (r3k_fdiv_single, r3k_fdiv_double): Add frdiv.
10793         * config/mips/4300.md (r4300_fdiv_single, r4300_fdiv_double): Likewise.
10794         * config/mips/4600.md (r4600_fdiv_single, f4600_fdiv_double): Likewise.
10795         * config/mips/5000.md (r5k_fdiv_single): Likewise.
10796         * config/mips/5400.md (ir_vr54_fdiv_sf, ir_vr54_fdiv_df): Likewise.
10797         * config/mips/5500.md (ir_vr55_fdiv_sf, ir_vr55_fdiv_df): Likewise.
10798         * config/mips/6000.md (r6k_fdiv_single, r6k_fdiv_double): Likewise.
10799         * config/mips/7000.md (rm7_fp_divsqrt_df, rm7_fp_divsqrt_sf): Likewise.
10800         * config/mips/9000.md (rm8k_fdivs, rm9k_fdivd): Likewise.
10801         * config/mips/generic.md (generic_fdiv_single, generic_fdiv_double):
10802         Likewise.
10803         * config/mips/sr71k.md (ir_sr70_fdiv_sf, ir_sr70_fdiv_df): Likewise.
10804
10805 2004-08-18  Robert Bowdidge <bowdidge@apple.com>
10806
10807         * config/rs6000/x-darwin: Remove XCFLAGS -mdynamic-no-pic to
10808         get regression tester working again.
10809
10810 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
10811
10812         * insn-notes.def, reg-notes.def: New files.
10813         * rtl.h: Use them to define enum insn_note and enum reg_note.
10814         * rtl.c: Use them to define note_insn_name and reg_note_name.
10815         * Makefile.in (RTL_BASE_H): Update.
10816
10817         * modulo-sched.c, sched-rgn.c, final.c: NOTE_DISABLE_SCHED_OF_BLOCK
10818         renamed to NOTE_INSN_DISABLE_SCHED_OF_BLOCK.
10819
10820 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
10821
10822         * arm.c (arm_size_rtx_costs): New function.
10823         (arm_override_options): Use it if optimizing for space.
10824
10825 2004-08-18  Richard Henderson  <rth@redhat.com>
10826
10827         * emit-rtl.c (gen_const_mem): New.
10828         * rtl.h (gen_const_mem): Declare.
10829         * expr.c (do_tablejump): Use it.
10830         * varasm.c (force_const_mem): Likewise.
10831         * config/darwin.c (machopic_indirect_data_reference): Likewise.
10832         (machopic_legitimize_pic_address): Likewise.
10833         * config/arm/arm.c (legitimize_pic_address): Likewise.
10834         * config/i386/i386.c (legitimize_pic_address): Likewise.
10835         (legitimize_tls_address): Likewise.
10836         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
10837         * config/ia64/ia64.md (load_fptr): Likewise.
10838         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
10839         * config/pa/pa.c (legitimize_pic_address): Likewise.
10840         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
10841         (rs6000_emit_move): Likewise.
10842         * config/s390/s390.c (legitimize_pic_address): Likewise.
10843         (legitimize_tls_address): Likewise.
10844         * config/s390/s390.md (casesi): Likewise.
10845         * config/sh/sh.c (sh_reorg): Likewise.
10846         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
10847         * config/v850/v850.md (casesi): Likewise.
10848
10849         * config/darwin.c (machopic_indirect_call_target): Set MEM_NOTRAP_P.
10850         * config/sh/sh.c (prepare_move_operands): Remove incorrect
10851         use of MEM_READONLY_P.
10852
10853 2004-08-18  Steven Bosscher  <stevenb@suse.de>
10854
10855         * Makefile.in (OBJS-common): Add postreload-gcse.c.
10856         Add new postreload-gcse.o.
10857         * cse.c (SAFE_HASH): Define as wrapper around safe_hash.
10858         (lookup_as_function, insert, rehash_using_reg, use_related_value,
10859         equiv_constant): Use SAFE_HASH instead of safe_hash.
10860         (exp_equiv_p): Export.  Add for_gcse argument when comparing
10861         for GCSE.
10862         (lookup, lookup_for_remove, merge_equiv_classes, find_best_addr,
10863         find_comparison_args, fold_rtx, cse_insn): Update callers.
10864         (hash_rtx): New function derived from old canon_hash and bits
10865         from gcse.c hash_expr_1.
10866         (canon_hash_string): Rename to hash_rtx_string.
10867         (canon_hash, safe_hash): Make static inline.  Call hash_rtx.
10868         * cselib.c (hash_rtx): Rename to cselib_hash_rtx.
10869         (cselib_lookup): Update this caller.
10870         * gcse.c (modify_mem_list_set, canon_modify_mem_list_set):
10871         Make static.
10872         (hash_expr): Call hash_rtx.
10873         (ldst_entry): Likewise.
10874         (expr_equiv_p): Call exp_equiv_p.
10875         (struct unoccr, hash_expr_1, hash_string_1, lookup_expr,
10876         reg_used_on_edge, reg_set_between_after_reload_p,
10877         reg_used_between_after_reload_p, get_avail_load_store_reg,
10878         is_jump_table_basic_block, bb_has_well_behaved_predecessors,
10879         get_bb_avail_insn, hash_scan_set_after_reload,
10880         compute_hash_table_after_reload,
10881         eliminate_partially_redundant_loads, gcse_after_reload,
10882         get_bb_avail_insn, gcse_after_reload_main): Remove.
10883         * postreload-gcse.c: New file, reincarnating most of the above.
10884         * rtl.h (exp_equiv_p, hash_rtx): New prototypes.
10885         (gcse_after_reload_main): Update prototype.
10886         * timevar.def (TV_GCSE_AFTER_RELOAD): New timevar.
10887         * passes.c (rest_of_handle_gcse2): Use it.
10888
10889 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
10890
10891         * tree-ssa-loop.c (pass_loop_init): Add TODO_dump_func.
10892         (pass_loop_done): Likewise.
10893
10894 2004-08-18  Andrew Pinski  <apinski@apple.com>
10895
10896         * config/rs6000/darwin.md: Delete the altivec patterns which are
10897         handled differently now.
10898         (load_macho_picbase_di): Make sure that is only happens for TARGET_64BIT
10899         (macho_correct_pic_di): Likewise.
10900         (call_indirect_nonlocal_darwin64): Likewise.
10901         Delete the save world/saveFP/saveVec patterns.
10902
10903         Revert the reversion of: 2004-08-16  Stan Shebs  <shebs@apple.com>
10904         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
10905         * config/rs6000/rs6000.md: Include darwin.md.
10906         (builtin_setjmp_receiver): Add DImode case.
10907         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
10908         Darwin bits.
10909
10910 2004-08-18  Matt Austern  <austern@apple.com>
10911
10912         Dead code stripping
10913         * darwin.h (EH_FRAME_SECTION_ATTR): Mark so it doesn't get stripped.
10914         * darwin.c (darwin_file_end): Mark file as potentially strippable.
10915
10916 2004-08-18  Richard Henderson  <rth@redhat.com>
10917
10918         * alias.c (readonly_fields_p): Remove.
10919         (objects_must_conflict_p): Don't call it.
10920         * tree.h (readonly_fields_p): Remove.
10921         * langhooks.h (struct lang_hooks): Remove honor_readonly.
10922         * langhooks-def.h (LANG_HOOKS_HONOR_READONLY): Remove.
10923
10924 2004-08-18  Diego Novillo  <dnovillo@redhat.com>
10925
10926         * tree-dfa.c (add_referenced_var): Only global variables are
10927         call-clobbered.
10928         * tree-flow.h (struct ptr_info_def): Add field pt_global_mem.
10929         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Mark
10930         all pointers dereferenced if the statement dereferences them.
10931         (create_name_tags): Do not create memory tags for pointers
10932         that have PT_ANYTHING set.
10933         Also check if PT_VARS is not empty before creating a name tag.
10934         (compute_flow_sensitive_aliasing): Don't mark call-clobbered
10935         variables that share the same alias set with a pointer that
10936         may point anywhere.
10937         (add_may_alias): Add FIXME comment to remove clobbering
10938         aliased variables and tags.
10939         (replace_may_alias): Likewise.
10940         (set_pt_anything): Do not clear PT_VARS nor IS_DEREFERENCED.
10941         (merge_pointed_to_info): If the original variable has not
10942         points-to information, call set_pt_anything.
10943         (add_pointed_to_var): Do not prevent adding a pointed-to
10944         variable if the pointers is PT_ANYTHING.
10945         If the variable is a global, set PT_GLOBAL_MEM.
10946         (collect_points_to_info_r): Don't assume that PLUS_EXPRs of
10947         pointer type only come in PTR+OFFSET flavours.
10948         Always call merge_pointed_to_info on PHI arguments that are
10949         SSA_NAMEs.
10950         (get_nmt_for): Mark call-clobbered tags whose pointer points
10951         to global memory.
10952         * tree-ssa-operands.c (opf_kill_def, opf_no_vops): Switch
10953         values.
10954         (get_indirect_ref_operands): Always clear OPF_KILL_DEF from
10955         FLAGS.
10956         (add_stmt_operand): Abort if the caller tried to add a killing
10957         definition for a memory tag.
10958         * tree-ssa.c (verify_flow_sensitive_alias_info): Remove
10959         unnecessary checks.
10960
10961 2004-08-18  J"orn Rennecke <joern.rennecke@superh.com>
10962
10963         * sh.h (CONDITIONAL_REGISTER_USAGE): Don't exclude fixed registers
10964         from call_used_regs.  Update call_really_used_regs.
10965         (CALL_REALLY_USED_REGISTERS): Define.
10966         * sh.c (output_stack_adjust, shmedia_target_regs_stack_space):
10967         Replace call_used_regs with call_really_used_regs.
10968         (calc_live_regs, sh_media_register_for_return): Likewise.
10969         (sh5_schedule_saves, sh_expand_prologue, reg_unused_after): Likewise.
10970         * sh.md (return_media): Likewise.
10971
10972 2004-08-18  Andrew Pinski  <apinski@apple.com>
10973
10974         * config/darwin.c (machopic_legitimize_pic_address): Only set
10975         MEM_READONLY_P in the non TARGET_TOC case.
10976
10977 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
10978
10979         * rtl.def (NIL): Delete.
10980         * read-rtl.c (read_rtx): Handle (nil) like (define_constants).
10981         Tighten the syntax a little.
10982
10983         * cfgloop.h, combine.c, cse.c, loop-iv.c, postreload.c, reload.c
10984         * config/alpha/alpha.c, config/alpha/alpha.h, config/arc/arc.h
10985         * config/arm/arm.h, config/frv/frv.h, config/i386/i386.c
10986         * config/i386/predicates.md, config/m32r/m32r.h
10987         * config/m68hc11/m68hc11.c, config/mcore/mcore.h, config/mips/mips.c
10988         * config/mmix/mmix.c, config/pa/pa.h, config/sh/sh.h
10989         * config/sparc/sparc.h, doc/tm.texi:
10990         Replace all occurrences of NIL with UNKNOWN.
10991
10992 2004-08-18  Zack Weinberg  <zack@codesourcery.com>
10993
10994         * dojump.c (do_jump <unordered_bcc>): Do not recursively call
10995         self with a TRUTH_ORIF_EXPR; generate the appropriate jump
10996         sequence inline.  Move drop_through_label code into this
10997         block, being the only place it is used.  Adjust comments.
10998
10999 2004-08-18  Fariborz Jahanian <fjahanian@apple.com>
11000
11001         * config/rs6000/altivec.md: Add new patterns for calls to
11002         save_world/rest_world functions.
11003
11004         * config/rs6000/rs6000-protos.h: (save_world_operation,
11005         restore_world_operation) new declarations.
11006
11007         * config/rs6000/rs6000.c: (struct rs6000_stack) new world_save_p
11008         field added.
11009         (rs6000_stack_info): Set world_save_p field.
11010         (save_world_operation): New function.
11011         (restore_world_operation): New function.
11012         (compute_save_world_info): New function.
11013         (rs6000_stack_info): Call compute_save_world_info.
11014         (rs6000_emit_prologue): Check for world_save_p and generate
11015         pattern to call save_world for saving all non-volatile and
11016         special registers.
11017         (rs6000_emit_epilogue): Check for world_save_p and generate
11018         pattern to call rest_world to restore saved registers.
11019
11020         config/rs6000/rs6000.h: macros FIRST_SAVED_ALTIVEC_REGNO,
11021         FIRST_SAVED_FP_REGNO, FIRST_SAVED_GP_REGNO defined.
11022         (rs6000_reg_names): New entries added for save_world_operation and
11023         restore_world_operation.
11024
11025 2004-08-18  Caroline Tice  <ctice@apple.com>
11026
11027         * Makefile.in (STAGEFEEDBACK_FLAGS_TO_PASS) Add
11028         "-freorder-blocks-and-partition" to the flags used in second
11029         stage of profiledbootstrap.
11030         * bb-reorder.c (push_to_next_round_p): Add new variable,
11031         next_round_is_last; set and use variable to make sure, when
11032         partitioning, that the last trace construction round consists
11033         of all (and only) cold basic blocks.
11034         (rotate_loop): Don't copy blocks that end in a section
11035         crossing jump.
11036         (copy_bb): Correctly initialize "partition" of duplicated bb.
11037         (add_unlikely_executed_notes): Add a comment.
11038         (find_rarely_executed_basic_blocks_and_crossing_edges): Modify
11039         to make sure, if function contains hot blocks, that the
11040         successors of ENTRY_BLOCK_PTR are hot; also, only look for
11041         crossing edges if the architecture supports named sections.
11042         (mark_bb_for_unlikely_executed_section): Modify to always
11043         insert the NOTE_INSN_UNLIKELY_EXECUTED_CODE immediately after
11044         the basic block note insn.
11045         (fix_crossing_unconditional_branches): Remove extra space.
11046         (fix_edges_for_rarely_executed_code): Modify to only do
11047         partitioning work if the architecture supports named sections.
11048         (reorder_basic_blocks): Modify to only add
11049         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes if the architecture
11050         supports named sections.
11051         * c-common.c (handle_section_attribute): Initialize new global
11052         variable, user_defined_section_attribute, to true if user has
11053         specified one.
11054         * cfgcleanup.c (try_forward_edges): Modify to not attempt to
11055         forward edges that cross section boundaries.
11056         * cfglayout.c (fixup_reorder_chain): Modify to only fix up
11057         partitioning information if the architecture supports named
11058         sections.
11059         * cfgrtl.c (target.h): Add statement to include this.
11060         (rtl_split_block): Make sure newly created bb gets correct
11061         partition.
11062         (try_redirect_by_replacing_jump): Make sure redirection isn't
11063         attempting to cross section boundaries.
11064         (force_nonfallthru_and_redirect): Only do partition fix up if
11065         architecture supports named sections.
11066         (rtl_split_edge): Make sure newly created bb ends up in
11067         correct partition.
11068         (commit_one_edge_insertion): Remove code that incorrectly
11069         updated basic block partition; Make sure partition fix up only
11070         happens if architecture supports named sections and it's not
11071         already done.
11072         (rtl_verify_flow_info_1): Fix if-condition on test/error
11073         condition that fallthru edges are not allowed to cross section
11074         boundaries.
11075         * defaults.h (NORMAL_TEXT_SECTION_NAME): Remove this.
11076         * final.c (final_scan_insn): Remove redundant test from if-statement;
11077         change calls to text_section into calls to function_section; add code
11078         to only to partitioning fix up if architecture supports named
11079         sections.
11080         * ifcvt.c (find_if_case_1): Make sure newly created bb has correct
11081         partition.
11082         (if_convert): Add targetm.have_named_sections to test.
11083         * output.h (unlikely_section_label): Extern declaration for new global
11084         variable.
11085         (unlikely_text_section_name): Likewise.
11086         * opts.c (decode_options): If both partitioning and DWARF debugging
11087         are turned on, issue a warning that this doesn't work, and change
11088         partitiong to basic block reordering (without hot/cold partitions).
11089         * passes.c (rest_of_handle_final): Re-set new global variable,
11090         user_defined_section_attribute, to false.
11091         (rest_of_compilation): Change options for calling partitioning
11092         function: Don't call if the user defined the section attribute, and
11093         don't call if DECL_ONE_ONLY is true for the current function.
11094         * predict.c (choose_function_section): Return immediately if we
11095         are doing hot/cold partitioning (i.e. let the basic block partitioning
11096         determine where the function belongs).
11097         * reg-stack.c (emit_swap_insn): Add condition to step over
11098         NOTE_INSN_UNLIKELY_EXECUTED_CODE notes.
11099         * toplev.c (user_defined_section_attribute): New global variable.
11100         * toplev.h (user_defined_section_attribute): Extern declaration
11101         for new global variable.
11102         * varasm.c (unlikely_section_label): New global variable.
11103         (unlikely_text_section_name): New global variable.
11104         (unlikely_text_section): Add code to initialize
11105         unlikely_text_section_name if necessary; modify to use
11106         unlikely_text_section_name and unlikely_section_label; also to use
11107         named_section properly.
11108         (in_unlikely_text_section):  Modify to work correctly with
11109         named_section and to use unlikely_text_section_name.
11110         (named_section):  Add code to work properly with cold section.
11111         (function_section): Clean up if-statement.
11112         * config/darwin.c (darwin_asm_named_section): Return to original
11113         code, removing use of SECTION_FORMAT_STRING.
11114         * config/arm/pe.h (switch_to_section):  Add case for
11115         in_unlikely_executed_text to switch statement.
11116         * config/i386/cygming.h (switch_to_section): Likewise.
11117         * config/i386/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
11118         (SECTION_FORMAT_STRING): Likewise.
11119         * config/mcore/mcore.h (switch_to_section): Likewise.
11120         * config/rs6000/darwin.h (NORMAL_TEXT_SECTION_NAME): Remove.
11121         (SECTION_FORMAT_STRING): Remove.
11122
11123 2004-08-18  Roger Sayle  <roger@eyesopen.com>
11124
11125         * config/i386/i386.h (FIXED_REGISTERS): Update encoding to be
11126         -ffixed-reg safe, by preserving the meanings of zero and one.
11127         (CALL_USED_REGISTERS): Likewise.
11128         (CONDITIONAL_REGISTER_USAGE): Update to process new encodings.
11129
11130 2004-08-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11131
11132         * config/sh/sh.c (split_branches): Check the result of
11133         next_active_insn.
11134         (sh_output_mi_thunk): Call init_flow if basic_block_info is null.
11135         Call rtl_register_cfg_hooks.
11136
11137 2004-08-18  Richard Henderson  <rth@redhat.com>
11138
11139         * rtl.h (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
11140         * alias.c (true_dependence): Update to match new semantics.
11141         (canon_true_dependence, write_dependence_p): Likewise.
11142         (anti_dependence, output_dependence): Update write_dependence_p args.
11143         (unchanging_anti_dependence): Remove.
11144         * calls.c (purge_mem_unchanging_flag): Remove.
11145         (fixup_tail_calls): Don't call it.
11146         (expand_call): Don't add unchanging memory to function usage.
11147         * expr.c (emit_block_move_via_libcall): Likewise.
11148         (clear_storage_via_libcall): Don't clobber RTX_UNCHANGING_P mems.
11149         (get_subtarget): Don't use RTX_UNCHANGING_P.
11150         (expand_assignment, store_constructor, expand_expr_real_1): Likewise.
11151         (do_tablejump): Set MEM_READONLY_P, not RTX_UNCHANGING_P.
11152         * combine.c (get_last_value_validate): Use MEM_READONLY_P.
11153         * cse.c (insert): Don't use RTX_UNCHANGING_P.
11154         (cse_insn, canon_hash): Use MEM_READONLY_P.
11155         * emit-rtl.c (set_mem_attributes_minus_bitpos): Use MEM_READONLY_P
11156         instead of RTX_UNCHANGING_P.
11157         * explow.c (maybe_set_unchanging): Remove.
11158         * expr.h (maybe_set_unchanging): Remove.
11159         * flow.c (insn_dead_p, mark_used_regs): Use anti_dependence.
11160         * function.c (assign_stack_temp_for_type): Don't use RTX_UNCHANGING_P.
11161         (assign_parm_setup_reg, expand_function_start): Likewise.
11162         * integrate.c (copy_rtx_and_substitute): Likewise.
11163         * ra-rewrite.c (emit_colors): Likewise.
11164         * regmove.c (copy_src_to_dest, regmove_optimize): Likewise.
11165         (fixup_match_1): Likewise.
11166         * reload1.c (reload, alter_reg): Likewise.
11167         * local-alloc.c (validate_equiv_mem): Check MEM_READONLY_P,
11168         not RTX_UNCHANGING_P.
11169         (equiv_init_varies_p): Likewise.
11170         * loop-invariant.c (check_maybe_invariant): Likewise.
11171         * resource.c (mark_referenced_resources, mark_set_resources): Likewise.
11172         * loop.c (note_addr_stored): Likewise.
11173         (prescan_loop): Likewise. Don't check function usage for clobbered
11174         unchanging memory.
11175         * rtlanal.c (rtx_unstable_p): Check MEM_READONLY_P,
11176         not RTX_UNCHANGING_P.
11177         (rtx_varies_p, modified_between_p, modified_in_p): Likewise.
11178         * varasm.c (force_const_mem): Likewise.
11179         * stmt.c (expand_decl): Don't set RTX_UNCHANGING_P.
11180         * web.c (entry_register): Likewise.
11181         * tree-gimple.h (get_base_address): Move decl ...
11182         * tree.h: ... here.
11183         * doc/rtl.texi (MEM_READONLY_P): Replace RTX_UNCHANGING_P.
11184
11185         * config/alpha/alpha.c (alpha_set_memflags_1): Rewrite to be
11186         called via for_each_rtx.  Copy MEM_SCALAR_P, MEM_NOTRAP_P too.
11187         (alpha_set_memflags): Update to match.
11188
11189         * config/darwin.c (machopic_indirect_data_reference): Set
11190         MEM_READONLY_P instead of RTX_UNCHANGING_P.
11191         (machopic_indirect_call_target): Likewise.
11192         (machopic_legitimize_pic_address): Likewise.
11193         * config/arm/arm.c (legitimize_pic_address, arm_gen_load_multiple,
11194         arm_gen_store_multiple, arm_gen_movmemqi): Likewise.
11195         * config/arm/arm.md (load_multiple, store_multiple): Likewise.
11196         * config/frv/frv.md (symGOT2reg): Likewise.
11197         * config/i386/i386.c (legitimize_pic_address,
11198         legitimize_tls_address, ix86_split_to_parts): Likewise.
11199         * config/ia64/ia64.c (ia64_expand_tls_address): Likewise.
11200         * config/ia64/ia64.md (load_fptr): Likewise.
11201         * config/m32r/m32r.c (m32r_legitimize_pic_address): Likewise.
11202         * config/m68k/m68k.c (legitimize_pic_address): Likewise.
11203         * config/mcore/mcore.c (block_move_sequence): Likewise.
11204         * config/mn10300/mn10300.md (symGOT2reg): Likewise.
11205         * config/pa/pa.c (legitimize_pic_address): Likewise.
11206         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Likewise.
11207         (rs6000_emit_move): Likewise.
11208         * config/s390/s390.c (legitimize_pic_address): Likewise.
11209         (legitimize_tls_address): Likewise.
11210         * config/s390/s390.md (casesi): Likewise.
11211         * config/sh/sh.c (prepare_move_operands, sh_reorg): Likewise.
11212         * config/sh/sh.md (symGOT2reg): Likewise.
11213         * config/sparc/sparc.c (legitimize_pic_address): Likewise.
11214         * config/v850/v850.md (casesi): Likewise.
11215
11216         * config/ia64/ia64.c (gen_thread_pointer): Don't set RTX_UNCHANGING_P.
11217         * config/iq2000/iq2000.c (save_restore_insns): Likewise.
11218         * config/mips/mips.c (mips_restore_gp): Likewise.
11219         (mips_save_restore_reg, mips16_gp_pseudo_reg): Likewise.
11220         * config/sh/sh.c (sh_reorg): Likewise.
11221
11222 2004-08-18  Richard Henderson  <rth@redhat.com>
11223
11224         * tree.h (struct tree_decl): Add gimple_formal_temp.
11225         (DECL_GIMPLE_FORMAL_TEMP_P): New.
11226         * gimplify.c (pop_gimplify_context): Clear it.
11227         (lookup_tmp_var): Set it, if is_formal.
11228         (gimplify_init_constructor): Use rhs_predicate_for for COMPLEX.
11229         Use is_gimple_val for VECTOR.  Simplify return value.
11230         (gimplify_save_expr): Use and set DECL_GIMPLE_FORMAL_TEMP_P.
11231         (gimplify_expr): Likewise.
11232         * tree-gimple.c (is_gimple_formal_tmp_rhs): Rename from
11233         is_gimple_tmp_rhs for clarity.  Update all callers.
11234         (is_gimple_reg_rhs): Simplify logic.
11235         (is_gimple_formal_tmp_var): Rename from is_gimple_tmp_var for
11236         clarity; use DECL_GIMPLE_FORMAL_TEMP_P.
11237         (is_gimple_formal_tmp_reg): Similarly.
11238         * tree-gimple.h: Update decls.
11239         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Use
11240         DECL_IGNORED_P, not DECL_ARTIFICIAL.  Tidy formatting.
11241         * tree-ssa-live.c (var_union, type_var_init): Likewise.
11242
11243 2004-08-18  Paolo Bonzini  <bonzini@gnu.org>
11244
11245         * c4x.c (legitimize_operands): Remove calls to
11246         preserve_subexpressions_p.
11247
11248 2004-08-18  David Edelsohn  <edelsohn@gnu.org>
11249
11250         * varasm.c (MAX_OFILE_ALIGNMENT): Move ...
11251         * defaults.h (MAX_OFILE_ALIGNMENT): ... here.
11252
11253 2004-08-18  Ziemowit Laski  <zlaski@apple.com>
11254
11255         * gcc.c (default_compilers): Add info about ".mm", ".M" and ".mii"
11256         Objective-C++ extensions.
11257         * gengtype.c (get_file_basename): Match entire subdirectory name
11258         ('cp', 'objc', 'objcp') rather than just its suffix.
11259         (get_base_file_bitmap): Allow for files to belong to more than one
11260         language.
11261         (get_output_file_with_visibility): Treat objc/objc-act.h as a header
11262         used by more than one front-end.
11263
11264 2004-08-18  Richard Earnshaw  <rearnsha@arm.com>
11265
11266         * arm.md (addsi3, subsi3, andsi3, iorsi3, movsi, movhi): Rework to
11267         avoid use of preserve_subexpressions_p.
11268
11269 2004-08-17  Richard Henderson  <rth@redhat.com>
11270
11271         PR 17051
11272         * tree-sra.c (scalarize_use): Mark all v_defs for !is_output too.
11273
11274 2004-08-17  DJ Delorie  <dj@redhat.com>
11275
11276         * doc/extend.texi: Document new xstormy16 attribute.
11277
11278         * config/stormy16/stormy16.c (xstormy16_splittable_below100_operand): New.
11279         (xstormy16_splittable_below100_or_register): New.
11280         (combine_bnp): New.
11281         (xstormy16_reorg): New.
11282         (TARGET_MACHINE_DEPENDENT_REORG): Define.
11283
11284         * config/stormy16/stormy16.md (movqi_internal): Make name public.
11285         (movhi_internal): Likewise.
11286         (cbhranchhi): Likewise.
11287         (cbhranchhi_neg): Likewise.
11288         (andhi3): Only allow splittable below100 operands.
11289         (iorhi3): Likewise.
11290         (peephole2): New and/zero_extend->and peephole.
11291         (peephole2): New load/ior/save->set1 peephole.
11292         (peephole2): New load/and/save->clr1 peephole.
11293         (bclrx, bclrx2, bclr7, bclr15): New.
11294         (bsetx, bsetx2, bset7, bset15): New.
11295
11296         * config/stormy16/stormy16.c (xstormy16_print_operand): Be more
11297         liberal about acceptable 'B' masks.
11298
11299         * config/stormy16/stormy16-protos.h
11300         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
11301         xstormy16_below100_operand, xstormy16_below100_or_register,
11302         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
11303         (PREDICATE_CODES): Add new predicates.
11304
11305         * config/stormy16/stormy16.c
11306         (xstormy16_asm_output_aligned_common, xstormy16_below100_symbol,
11307         xstormy16_below100_operand, xstormy16_below100_or_register,
11308         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand): New.
11309         (xstormy16_expand_iorqi3, xstormy16_expand_andqi3): New.
11310         (xstormy16_legitimate_address_p): Allow below100 symbols.
11311         (xstormy16_extra_constraint_p): Add 'W' for below100 operands.
11312         (xstormy16_expand_move): Leave below100 operands as-is.
11313         (xstormy16_encode_section_info): Encode below100 symbols.
11314         (xstormy16_strip_name_encoding): New.
11315         (xstormy16_print_operand): Print 'b' as shift mask.
11316         (xstormy16_attribute_table): Add below100 attributes.
11317         (xstormy16_handle_below100_attribute): New.
11318
11319         * config/stormy16/stormy16.h (EXTRA_SECTIONS): add in_bss100.
11320         (XSTORMY16_SECTION_FUNCTION): New.
11321         (EXTRA_SECTION_FUNCTIONS): Define using the above.
11322         (ASM_OUTPUT_ALIGNED_DECL_COMMON, ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
11323         (ASM_OUTPUT_SYMBOL_REF): Handle encoded symbols.
11324         (ASM_OUTPUT_LABELREF): Define.
11325
11326         * config/stormy16/stormy16.md (movqi_internal): Add below100 support.
11327         (movhi_internal): Add below100 support.
11328         (andhi3): Add below100 support.
11329         (iorhi3): Add below100 support.
11330         (iorqi3, iorqi3_internal, andqi3, andqi3_internal): New.
11331
11332 2004-08-17  James E Wilson  <wilson@specifixinc.com>
11333
11334         * config/mips/mips.c (gen_conditional_move): Use GET_MODE (op0) instead
11335         of VOIDmode for comparison code mode.
11336         * config/mips/mips.md: For conditional move patterns, use mode of
11337         first compare operand for comparison mode, instead of VOIDmode.
11338
11339         * config/mips/mips.md: Add canonical nmadd and nmsub patterns for both
11340         normal and -ffast-math code.
11341
11342 2004-08-17  Mark Mitchell  <mark@codesourcery.com>
11343
11344         PR c++/15871
11345         * doc/invoke.texi (-fkeep-inline-functions): Update documentation.
11346
11347 2004-08-17  Robert Bowdidge  <bowdidge@apple.com>
11348
11349         * config/rs6000/x-darwin: Add -mdynamic-no-pic to gcc build flags.
11350
11351 2004-08-17  Andreas Tobler  <a.tobler@schweiz.ch>
11352
11353         * config/rs6000/darwin.md (*call_nonlocal_darwin64): Add #else clause
11354         for non Darwin targets.
11355         (*call_value_nonlocal_darwin64): Likewise.
11356
11357 2004-08-17  Fariborz Jahanian <fjahanian@apple.com>
11358
11359         * config/rs6000/rs6000.c (rs6000_function_value): Check for
11360         altivec mode for altivec return register.
11361
11362 2004-08-17  David Edelsohn  <edelsohn@gnu.org>
11363
11364         Revert 2004-08-16  Stan Shebs  <shebs@apple.com>
11365         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
11366         * config/rs6000/rs6000.md: Include darwin.md.
11367         (builtin_setjmp_receiver): Add DImode case.
11368         * config/rs6000/rs6000.c (rs6000_emit_move): Add DImode case to
11369         Darwin bits.
11370
11371 2004-08-17  Dorit Naishlos  <dorit@il.ibm.com>
11372
11373         * tree-vectorizer.c: New File: loop vectorization on SSAed GIMPLE
11374         trees.
11375         * tree-vectorizer.h: New File: Same.
11376         * Makefile.in (tree-vectorizer.c, tree-vectorizer.h): Add new files.
11377         * common.opt (ftree-vectorize): New flag to enable vectorization.
11378         * timevar.def (TV_TREE_VECTORIZATION): New dump file for
11379         vectorization pass.
11380         * tree-data-ref.h (init_data_ref): Additional argument.
11381         (array_base_name_differ_p): Moved to tree-data-ref.c.
11382         * tree-data-ref.c (array_base_name_differ_p): Revised.
11383         (initialize_data_dependence_relation): Call array_base_name_differ_p
11384         with an extra argument.
11385         (analyze_all_data_dependences): Same.
11386         (init_data_ref): Additional argument is_read to set DR_IS_READ.
11387         * tree-ssa-phiopt.c (empty_block_p): Expose for usage out of this
11388         file.
11389         * tree-flow.h (vectorize_loops, empty_block_p): Add declaration.
11390         * tree-optimize.c (pass_vectorize): Schedule the vectorization pass.
11391         * tree-pass.h (tree_opt_pass pass_vectorize): Declare the new
11392         vectorization pass.
11393         * tree-ssa-loop.c (tree_ssa_loop_init): Call scev_initialize.
11394         (tree_ssa_loop_done): Call scev_finalize.
11395         (tree_vectorize): Define the new vectorization pass.
11396         * defaults.h (UNITS_PER_SIMD_WORD): Allow targets to specify the
11397         size of the vector they support (until support for multiple vector
11398         sizes is added to the vectorizer).
11399         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Define.
11400         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Define.
11401         * invoke.texi (fdump-tree-vect, ftree-vectorize): Add
11402         documentation.
11403
11404 2004-08-17  Nathan Sidwell  <nathan@codesourcery.com>
11405
11406         * objc/objc-act.c (build_protocol_initializer): Fix build_int_cst
11407         usage.
11408         (generate_protocol_list, handle_impent): Likewise.
11409
11410 2004-08-17  Roger Sayle  <roger@eyesopen.com>
11411
11412         * regclass.c (init_reg_sets_1): Add ENABLE_CHECKING sanity tests to
11413         ensure that call_used_regs is a superset of both fixed_regs and
11414         call_really_used_regs.
11415
11416 2004-08-17  Daniel Bornstein  <danfuzz@milk.com>
11417
11418         PR target/17019
11419         * arm.md (addsi3_cbranch_scratch): Correct case labels.
11420
11421 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
11422
11423         PR middle-end/17036
11424         * fold-const.c (fold): Check for integer operand when
11425         folding (A >> N) & 1 ? (1 << N) : 0.  Fix from Andrew
11426         Pinski  <pinskia@physics.uc.edu>.
11427
11428 2004-08-17  Paolo Bonzini  <bonzini@gnu.org>
11429
11430         * configure.ac: Trust toplevel's notion of BISON/FLEX/MAKEINFO.
11431         No need to check if in a cross configuration.
11432         * configure: Regenerate.
11433
11434         * calls.c (precompute_register_parameters):
11435         Inline preserve_subexpressions_p ().
11436         * expmed.c (expand_mult_const, emit_store_flag): Likewise.
11437         * optabs.c (expand_binop, expand_twoval_binop, prepare_cmp_insn):
11438         Likewise.
11439         * expr.c (get_subtarget): Likewise.
11440         * rtl.h (preserve_subexpressions_p): Remove.
11441         * stmt.c (preserve_subexpressions_p): Remove.
11442
11443         * dojump.c (do_jump) <COND_EXPR, EQ_EXPR, NE_EXPR,
11444         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, COMPOUND_EXPR>:
11445         Abort on gimplified cases.
11446
11447 2004-08-16  James E Wilson  <wilson@specifixinc.com>
11448
11449         * tree.h (VECTOR_FLOAT_TYPE_P): New.
11450         (FLOAT_TYPE_P): Use it.
11451         * c-typeck.c (build_binary_op): After convert calls, check for
11452         check for ERROR_MARK operands.
11453
11454 2004-08-16  Zack Weinberg  <zack@codesourcery.com>
11455
11456         * Makefile.in (BUILD_PREFIX, BUILD_PREFIX_1): Delete.
11457         (BUILD_RTL, BUILD_PRINT, BUILD_ERRORS, BUILD_VARRAY): Update.
11458         (genobjs): Add build-rtl.o, build-print-rtl.o, build-varray.o.
11459         (genobjs static pattern rule): Remove %.c dependency.
11460         ($(BUILD_PREFIX_1)rtl.o, print-rtl.o, $(BUILD_PREFIX_1)varray.o):
11461         Rename rules; delete commands; fix dependencies.
11462         (mostlyclean): Do not delete temporary source copies.
11463         * configure.ac: Delete all references to BUILD_PREFIX and
11464         BUILD_PREFIX_1.
11465         * configure: Regenerate.
11466
11467         * print-rtl.c: Include bconfig.h #ifdef GENERATOR_FILE.
11468         Do not include tree.h, real.h, flags.h, hard-reg-set.h, or
11469         basic-block.h #ifdef GENERATOR_FILE.  Surround some more code
11470         with #ifndef GENERATOR_FILE so that nothing from those headers
11471         is used.
11472
11473         * rtl.c, varray.c: Include bconfig.h #ifdef GENERATOR_FILE.
11474
11475 2004-08-16  Adam Nemet  <anemet@lnxw.com>
11476
11477         * Makefile.in (LIBS): Move $(LIBIBERTY) after $(BANSHEELIB).
11478
11479 2004-08-16  Andrew Pinski  <apinski@apple.com>
11480
11481         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): Remove
11482         extraneous semicolon.
11483
11484 2004-08-16  Devang Patel  <dpatel@apple.com>
11485
11486         * c-common.c (handle_used_attribute): Set DECL_PRESERVE_P.
11487         * print-tree.c (print_node): Print DECL_PRESERVE_P.
11488         * target-def.h (TARGET_ASM_MARK_DECL_PRESERVED): New #define.
11489         (TARGET_ASM_OUT): New member, TARGET_ASM_MARK_DECL_PRESERVED
11490         * target.h (struct gcc_target): New member, mark_decl_preserved.
11491         * hooks.c (hook_void_charptr): Rename to ...
11492         (hook_void_constcharptr): ... new name.
11493         * hooks.h (hook_void_charptr): Rename to ..
11494         (hook_void_constcharptr): ... new name.
11495         * tree.h (DECL_PRESERVE_P): New #define.
11496         (struct tree_decl): New member, preserve_flag.
11497         * varasm.c (assemble_start_function): Mark decl preserved.
11498         (assemble_variable): Same.
11499         * darwin.c (darwin_mark_decl_preserved): New function.
11500         * darwin.h (TARGET_ASM_MARK_DECL_preserved): New #define.
11501         * darwin-protos.h (darwin_mark_decl_preserved): New decl.
11502         * doc/tm.texi (TARGET_ASM_MARK_DECL_PRESERVED): Document.
11503
11504 2004-08-16  Joseph S. Myers  <jsm@polyomino.org.uk>
11505
11506         * c-decl.c (grokdeclarator): Allow for function definition where
11507         innermost declarator has attributes.
11508
11509 2004-08-16  Fariborz Jahanian <fjahanian@apple.com>
11510
11511         * except.c (get_exception_filter, build_post_landing_pads,
11512         dw2_build_landing_pads): Use target-specific mode for 'filter'.
11513         * target-def.h (TARGET_EH_RETURN_FILTER_MODE): macro defined and used.
11514         * target.h (eh_return_filter_mode): New field added.
11515         * targhooks.c (default_eh_return_filter_mode): Defined.
11516         * targhooks.h (default_eh_return_filter_mode): Declared.
11517         * config/rs6000/rs6000.c (rs6000_eh_return_filter_mode): Defined.
11518
11519 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
11520
11521         * configure.ac: Replace _GCC_TOPLEV_NONCANONICAL_TARGET with
11522         ACX_NONCANONICAL_TARGET; remove now-unneeded AC_SUBST.
11523         * configure: Regenerate.
11524
11525 2004-08-16  Stan Shebs  <shebs@apple.com>
11526
11527         Basic support for 64-bit Darwin.
11528         * config/darwin.c (macho_indirect_data_reference): Add DImode case.
11529         (machopic_legitimize_pic_address): Similarly, plus use Pmode
11530         instead of SImode.
11531         * config/rs6000/darwin.h (PTRDIFF_TYPE): Be "long int" if 64-bit.
11532         (TARGET_OS_CPP_BUILTINS): Add 64-bit preprocessor macro.
11533         (SUBTARGET_SWITCHES): Add -m32 and -m64 flags.
11534         (SUBTARGET_OVERRIDE_OPTIONS): Require 64-bit processor if -m64.
11535         (PROCESSOR_DEFAULT64): Define.
11536         * config/rs6000/darwin.md: New file, patterns specific to 64-bit
11537         Darwin.
11538         * config/rs6000/rs6000.md: Include darwin.md.
11539         (builtin_setjmp_receiver): Add DImode case.
11540         * config/rs6000/rs6000.c (TARGET_ASM_UNALIGNED_DI_OP): Define for
11541         Darwin.
11542         (TARGET_ASM_ALIGNED_DI_OP): Ditto.
11543         (rs6000_emit_move): Add DImode case to Darwin bits.
11544         (machopic_output_stub): Use .quad if 64-bit.
11545         * invoke.texi: Document -m32 and -m64.
11546
11547 2004-08-16  Janis Johnson  <janis187@us.ibm.com>
11548
11549         * doc/extend.texi (AltiVec builtins): Document additional differences
11550         from the Motorola AltiVec PIM.
11551
11552 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
11553
11554         * c-typeck.c (build_c_cast): Only copy overflow from expr nodes.
11555         * tree.h (IS_NON_TYPE_CODE_CLASS): Simplify.
11556         (struct tree_common): Update public_flag documentation.
11557
11558 2004-08-16  Nathanael Nerode  <neroden@gcc.gnu.org>
11559
11560         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
11561         Check for artificial variables, not is_gimple_tmp_var.
11562         * tree-ssa-live.c (var_union): Likewise.
11563
11564 2004-08-16  Nathan Sidwell  <nathan@codesourcery.com>
11565
11566         * calls.c (load_register_parameters): Remove spurious FIXME token.
11567
11568 2004-08-15  Ziemowit Laski  <zlaski@apple.com>
11569
11570         * Makefile.in (C_PRETTY_PRINT_H): Add c-pretty-print.h.
11571         (c-lang.o): Depend on c-objc-common.h.
11572         (c-objc-common.o): Depend on $(C_PRETTY_PRINT_H) and
11573         c-objc-common.h; remove duplicate $(C_TREE_H) dependency.
11574         * c-lang.c: Include c-objc-common.h.
11575         (LANG_HOOKS_FINISH, LANG_HOOKS_INIT_OPTIONS,
11576         LANG_HOOKS_INITIALIZE_DIAGNOSTICS, LANG_HOOKS_HANDLE_OPTION,
11577         LANG_HOOKS_MISSING_ARGUMENT, LANG_HOOKS_POST_OPTIONS,
11578         LANG_HOOKS_GET_ALIAS_SET, LANG_HOOKS_SAFE_FROM_P,
11579         LANG_HOOKS_EXPAND_EXPR, LANG_HOOKS_MARK_ADDRESSABLE,
11580         LANG_HOOKS_PARSE_FILE, LANG_HOOKS_TRUTHVALUE_CONVERSION,
11581         LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL,
11582         LANG_HOOKS_STATICP, LANG_HOOKS_SET_DECL_ASSEMBLER_NAME,
11583         LANG_HOOKS_NO_BODY_BLOCKS, LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL,
11584         LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_FUNCTION_ENTER_NESTED,
11585         LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_DUP_LANG_SPECIFIC_DECL,
11586         LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
11587         LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
11588         LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
11589         LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
11590         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
11591         LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING,
11592         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
11593         LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN,
11594         LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION, LANG_HOOKS_TYPE_FOR_MODE,
11595         LANG_HOOKS_TYPE_FOR_SIZE, LANG_HOOKS_SIGNED_TYPE,
11596         LANG_HOOKS_UNSIGNED_TYPE, LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE,
11597         LANG_HOOKS_INCOMPLETE_TYPE_ERROR, LANG_HOOKS_TYPE_PROMOTES_TO,
11598         LANG_HOOKS_REGISTER_BUILTIN_TYPE, LANG_HOOKS_WRITE_GLOBALS):
11599         Move to c-objc-common.h.
11600         * c-objc-common.c: Include c-objc-common.h.
11601         * c-objc-common.h: New file.
11602
11603 2004-08-15  Andreas Tobler  <a.tobler@schweiz.ch>
11604             Andrew Pinski  <pinskia@physics.uc.edu>
11605
11606         PR target/14931
11607         * config/rs6000/darwin-tramp.asm (L_abort$stub): Change to new stub
11608         style.
11609
11610 2004-08-15  Nathan Sidwell  <nathan@codesourcery.com>
11611
11612         * tree.h (build_int_cst): New.
11613         (build_int_2): Remove.
11614         * tree.c (build_int_2): Remove.
11615         (build_int_cst): New.
11616         (make_vector_type, build_common_tree_nodes,
11617         build_common_tree_nodes_2): Use build_int_cst.
11618         * builtins.c (expand_builtin_prefetch, expand_builtin_strstr,
11619         expand_builtin_strpbrk, expand_builtin_fputs,
11620         build_string_literal, expand_builtin_printf,
11621         expand_builtin_sprintf, fold_builtin_lround, fold_builtin_bitop,
11622         fold_builtin_bitop, fold_builtin_isascii, fold_builtin_toascii,
11623         fold_builtin_isdigit, simplify_builtin_strstr,
11624         simplify_builtin_strpbrk, fold_builtin_fputs,
11625         simplify_builtin_sprintf): Use build_int_cst.
11626         * c-common.c (start_fname_decls, fix_string_type,
11627         c_common_nodes_and_builtins, c_init_attributes,
11628         shorten_compare): Likewise.
11629         * c-decl.c (complete_array_type,
11630         check_bitfield_type_and_width): Likewise.
11631         * c-lex.c (interpret_integer, lex_charconst): Likewise.
11632         * c-parse.in (primary): <TYPES_COMPATIBLE_P> Likewise.
11633         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11634         * c-typeck.c (really_start_incremental_init, push_init_level,
11635         set_nonincremental_init_from_string): Likewise.
11636         * calls.c (load_register_parameters): Likewise.
11637         * convert.c (convert_to_pointer): Likewise.
11638         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref,
11639         build_fn_info_type, build_ctr_info_value, build_gcov_info):
11640         Likewise.
11641         * except.c (init_eh, assign_filter_values, assign_filter_values):
11642         Likewise.
11643         * expmed.c (store_fixed_bit_field, extract_bit_field,
11644         extract_fixed_bit_field, extract_split_bit_field, expand_shift,
11645         expand_mult_const, expand_mult_highpart_adjust, extract_high_half,
11646         expand_sdiv_pow2, expand_divmod, make_tree): Likewise.
11647         * expr.c (convert_move, emit_group_load, emit_group_store,
11648         expand_assignment, store_constructor, store_field,
11649         expand_expr_real_1, reduce_to_bit_field_precision): Likewise.
11650         * fold-const.c (force_fit_type, int_const_binop, fold_convert_const,
11651         invert_truthvalue, optimize_bit_field_compare,
11652         decode_field_reference, all_ones_mask_p, constant_boolean_node,
11653         fold_div_compare, fold, fold_read_from_constant_string,
11654         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11655         * function.c (assign_parm_setup_block): Likewise.
11656         * stmt.c (shift_return_value, expand_end_case_type,
11657         estimate_case_costs): Likewise.
11658         * stor-layout.c (layout_type, initialize_sizetypes,
11659         set_min_and_max_values_for_integral_type): Likewise.
11660         * tree-chrec.c (chrec_fold_multiply_poly_poly,
11661         reset_evolution_in_loop): Likewise.
11662         * tree-chrec.h (build_polynomial_chrec): Likewise.
11663         * tree-complex.c (build_replicated_const): Likewise.
11664         * tree-eh.c (honor_protect_cleanup_actions,
11665         lower_try_finally_onedest, lower_try_finally_copy,
11666         lower_try_finally_switch): Likewise.
11667         * tree-mudflap.c (mf_build_string, mx_register_decls,
11668         mudflap_register_call, mudflap_enqueue_constant): Likewise.
11669         * tree-nested.c (get_trampoline_type, get_nl_goto_field): Likewise.
11670         * tree-pretty-print.c (dump_generic_node): Likewise.
11671         * tree-ssa-ccp.c (widen_bitfield, maybe_fold_offset_to_array_ref):
11672         Likewise.
11673         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Likewise.
11674         * tree-ssa-loop-niter.c (number_of_iterations_cond,
11675         loop_niter_by_eval, upper_bound_in_type, lower_bound_in_type):
11676         Likewise.
11677
11678         * config/alpha/alpha.c (alpha_initialize_trampoline,
11679         alpha_va_start, alpha_gimplify_va_arg_1): Use build_int_cst.
11680         * config/arm/arm.c (arm_get_cookie_size): Likewise.
11681         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11682         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
11683         * config/i860/i860.c (i860_va_start): Likewise.
11684         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
11685         * config/mips/mips.c (mips_build_builtin_va_list, mips_va_start,
11686         mips_gimplify_va_arg_expr): Likewise.
11687         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11688         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg,
11689         add_compiler_branch_island): Likewise.
11690         * config/s390/s390.c (s390_va_start): Likewise.
11691         * config/sh/sh.c (sh_va_start): Likewise.
11692         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
11693         Likewise.
11694         * config/xtensa/xtensa.c (xtensa_va_start,
11695         xtensa_gimplify_va_arg_expr): Likewise.
11696
11697         * objc/objc-act.c (build_objc_string_object,
11698         build_objc_symtab_template, init_def_list, init_objc_symtab,
11699         init_module_descriptor, generate_static_references,
11700         build_selector_translation_table, get_proto_encoding,
11701         build_typed_selector_reference, build_selector_reference,
11702         build_next_objc_exception_stuff,
11703         build_method_prototype_list_template, generate_descriptor_table,
11704         generate_protocols, build_protocol_initializer,
11705         build_ivar_list_template, build_method_list_template,
11706         build_ivar_list_initializer, generate_ivars_list,
11707         generate_dispatch_table, generate_protocol_list,
11708         build_category_initializer, build_shared_structure_initializer,
11709         generate_shared_structures, handle_impent,
11710         generate_objc_image_info): Use build_int_cst.
11711
11712 2004-08-15  Ben Elliston  <bje@au.ibm.com>
11713
11714         * vec.h: Comment improvements.
11715
11716 2004-08-14  Roger Sayle  <roger@eyesopen.com>
11717
11718         * c-common.c (shorten_compare, pointer_int_sum,
11719         c_common_truthvalue_conversion, boolean_increment): Replace calls
11720         to build with calls to buildN.
11721         * c-decl.c (complete_array_type, grokdeclarator): Likewise.
11722         * c-gimplify.c (c_build_bind_expr, gimplify_c_loop,
11723         gimplify_switch_stmt): Likewise.
11724         * c-typeck.c (default_function_array_conversion,
11725         build_component_ref, build_array_ref, build_function_call,
11726         pointer_diff, build_unary_op, build_conditional_expr,
11727         build_compound_expr, build_modify_expr, c_finish_goto_label,
11728         c_finish_goto_ptr, c_finish_return, c_finish_loop,
11729         c_finish_bc_stmt, c_finish_stmt_expr, c_end_compound_stmt,
11730         build_binary_op): Likewise.
11731
11732 2004-08-15  Steven Bosscher  <stevenb@suse.de>
11733
11734         * rtl.c (note_insn_name): Add NOTE_DISABLE_SCHED_OF_BLOCK.
11735
11736 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11737
11738         * fixinc/inclhack.def (stdio_va_list): Also fix com_err.h, cps.h,
11739         curses.h, krb5.h, lc_core.h, pfmt.h, wchar.h and curses_colr/curses.h.
11740         * fixinc/fixincl.x: Rebuilt.
11741
11742 2004-08-14  Richard Sandiford  <rsandifo@redhat.com>
11743
11744         * config/mips/mips-protos.h (mips_symbolic_constant_p)
11745         (mips_atomic_symbolic_constant_p, mips_stack_address_p)
11746         (mips_small_data_pattern_p): Declare.
11747         * config/mips/mips.h (CONST_GP_P): Moved from mips.c.
11748         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Delete.
11749         * config/mips/mips.c (mips_symbolic_constant_p): Make global.
11750         (mips_atomic_symbolic_constant_p, mips_stack_address_p): New functions.
11751         (uns_arith_operand, const_arith_operand, arith_operand, sle_operand)
11752         (sleu_operand, small_int, reg_or_0_operand, const_float_1_operand)
11753         (reg_or_const_float_1_operand, hilo_operand, extend_operator)
11754         (macc_msac_operand, equality_op, cmp_op, trap_cmp_op)
11755         (pc_or_label_operand, call_insn_operand, move_operand)
11756         (consttable_operand, symbolic_operand, general_symbolic_operand)
11757         (global_got_operand, local_got_operand, stack_operand)
11758         (fp_register_operand, lo_operand, fcc_register_operand): Delete.
11759         (mips_small_data_pattern_1): Renamed from small_data_pattern_1.
11760         (mips_small_data_pattern_p): Replace previous small_data_pattern
11761         predicate.  Turn into a bool () (rtx) function.
11762         * config/mips/predicates.md: New file.
11763         * config/mips/mips.md: Include it.  Use the target-independent
11764         comparison_operator instead of cmp_op.  Rename trap_cmp_op to
11765         trap_comparison_operator and equality_op to equality_operator.
11766         Replace uses of small_int with the equivalent const_arith_operand.
11767         Rename reg_or_const_float_1_operand to reg_or_1_operand.  Rename
11768         const_float_1_operand to const_1_operand.  Rename fcc_register_operand
11769         to fcc_reload_operand.
11770         * config/mips/sb1.md: Rename fp_register_operand to fpr_operand.
11771
11772 2004-08-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11773
11774         PR libstdc++/17005 partial fix.
11775         * pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Define _INCLUDE__STDC_A1_SOURCE
11776         except when generating ANSI/C89 code.
11777
11778 2004-08-14  Nathan Sidwell  <nathan@codesourcery.com>
11779
11780         * c-common.c (shorten_compare): Use force_fit_type directly.
11781
11782 2004-08-14  Gerald Pfeifer  <gerald@pfeifer.com>
11783             Dimitri Papadopoulos-Orfanos  <papadopo@shfj.cea.fr>
11784             Dave Korn  <dk@artimi.com>
11785
11786         * doc/install.texi (Building): Avoid duplicate reference to GNU
11787         make requirement.
11788         (*-*-solaris2*): Do not recommend GNU make any longer.  Simplify.
11789
11790 2004-08-14  Richard Henderson  <rth@redhat.com>
11791
11792         * config/alpha/alpha.h (PROMOTE_MODE): Don't promote vector types.
11793         * config/alpha/alpha.c (function_value): Use PROMOTE_MODE.
11794
11795 2004-08-13  Richard Henderson  <rth@redhat.com>
11796
11797         * config/i386/i386.md (call_1, sibcall_1, call_1_rex64): Use Pmode
11798         for constant_call_address_operand.
11799         (call_value_pop_1, call_value_1): Likewise.
11800         (sibcall_value_1, call_value_1_rex64): Likewise.
11801
11802 2004-08-13  James E Wilson  <wilson@specifixinc.com>
11803
11804         * config/mips/sb1.md (ir_sb1_divdf_2pipes, ir_sb1_divdf_1pipe):
11805         Correct mode from SFmode to DFmode.
11806
11807 2004-08-13  Ziemowit Laski  <zlaski@apple.com>
11808
11809         * config/darwin.h (EXTRA_SECTION_FUNCTIONS): Mark the __sel_fixup,
11810         __cstring_object and __image_info sections with the no_dead_strip
11811         attribute.
11812
11813 2004-08-13  Roger Sayle  <roger@eyesopen.com>
11814             David Billinghurst  <David.Billinghurst@riotinto.com>
11815
11816         PR libgfortran/15930
11817         * fixinc/inclhack.def (irix___generic1, irix___generic2): New.
11818         * fixinc/fixincl.x: Regenerate.
11819         * fixinc/tests/base/internal/math_core.h: New file.
11820
11821 2004-08-13  Richard Henderson  <rth@redhat.com>
11822
11823         * dbxout.c (NO_DBX_FUNCTION_END): Default to zero.
11824         (dbxout_function_end): Remove ifdefs for it.
11825         (dbxout_begin_prologue): Protect N_BNSYM with it, and gdb extensions.
11826
11827 2004-08-13  Richard Henderson  <rth@redhat.com>
11828
11829         * Makefile.in (insn-preds.o): Depend on TREE_H.
11830         * genpreds.c (write_insn_preds_c): Include tree.h.
11831         * config/alpha/alpha.c (reg_or_0_operand, reg_or_6bit_operand,
11832         reg_or_8bit_operand, cint8_operand, add_operand, sext_add_operand,
11833         const48_operand, and_operand, or_operand, mode_width_operand,
11834         mode_mask_operand, mul8_operand, const0_operand,
11835         hard_fp_register_operand, hard_int_register_operand,
11836         reg_or_cint_operand, some_operand, some_ni_operand, input_operand,
11837         samegp_function_operand, direct_call_operand, small_symbolic_operand,
11838         global_symbolic_operand, call_operand, symbolic_operand,
11839         dtp16_symbolic_operand, dtp32_symbolic_operand,
11840         gotdtp_symbolic_operand, tp16_symbolic_operand, tp32_symbolic_operand,
11841         gottp_symbolic_operand, alpha_comparison_operator,
11842         alpha_zero_comparison_operator, alpha_swapped_comparison_operator,
11843         signed_comparison_operator, alpha_fp_comparison_operator,
11844         divmod_operator, fix_operator, aligned_memory_operand,
11845         unaligned_memory_operand, reg_or_unaligned_mem_operand,
11846         any_memory_operand, reg_not_elim_operand, normal_memory_operand,
11847         reg_no_subreg_operand, addition_operation): Move to predicates.md.
11848         (reg_or_const_int_operand): Remove.  Replace all users with
11849         reg_or_cint_operand.
11850         (tls_symbolic_operand_1): Export.  Don't check mode or for CONST.
11851         (resolve_reload_operand): Split out of aligned_memory_operand.
11852         * config/alpha/alpha-protos.h: Update for exports.
11853         * config/alpha/alpha.h (PREDICATE_CODES): Remove.
11854         * config/alpha/alpha.md: Include predicates.md.
11855         * config/alpha/predicates.md: New file.
11856
11857 2004-08-13  Richard Sandiford  <rsandifo@redhat.com>
11858
11859         * genattrtab.c (insn_ent): Replace insn_code, insn_index and lineno
11860         fields with a pointer to the instruction definition.
11861         (get_attr_value, fill_attr, make_length_attrs, remove_insn_ent)
11862         (insert_insn_ent, simplify_test_exp, optimize_attrs, write_attr_get)
11863         (write_attr_case, write_const_num_delay_slots): Update accordingly.
11864         (write_attr_case, write_const_num_delay_slots): Write the name of
11865         an insn next to its case statement.
11866         * genoutput.c (data): Add a filename field.
11867         (gen_insn, gen_peephole, gen_expand, gen_split): Set it.
11868         (output_insn_data): Print the location of each insn definition.
11869         * genrecog.c (write_action): Print the name of an insn above
11870         the statement that returns its code.
11871
11872 2004-08-12  Andrew Pinski  <pinskia@physics.uc.edu>
11873
11874         * config/darwin-c.c (find_subframework_file): Fix spelling of cannot.
11875         * config/libgloss.h: Likewise.
11876         * config/arm/arm.c (arm_gen_load_multiple): Likewise.
11877         * c4x/c4x-modes.def: Likewise.
11878         * config/c4x/c4x.c (c4x_hard_regno_rename_ok): Likewise.
11879         (c4x_rptb_nop_p): Likewise.
11880         (c4x_rptb_valid_p): Likewise.
11881         (c4x_rptb_insert): Likewise.
11882         (c4x_address_conflict): Likewise.
11883         * config/c4x/c4x.md: Likewise.
11884         * config/frv/frv.md: Likewise.
11885         * config/i386/athlon.md: Likewise.
11886         * config/i386/i386.md: Likewise.
11887         * config/i386/predicates.md: Likewise.
11888         * config/ia64/ia64.c: Likewise.
11889         * config/ia64/itanium1.md: Likewise.
11890         * config/ia64/itanium2.md: Likewise.
11891         * config/iq2000/iq2000.md: Likewise.
11892         * config/mcore/mcore.c: Likewise.
11893         * config/mips/mips.c: Likewise.
11894         * config/mips/r3900.h: Likewise.
11895         * config/mips/sb1.md: Likewise.
11896         * config/pa/milli64.S: Likewise.
11897         * config/pa/pa.c: Likewise.
11898         * config/pa/pa.h: Likewise.
11899         * config/rs6000/8540.md: Likewise.
11900
11901 2004-08-13  Daniel Berlin  <dberlin@dberlin.org>
11902
11903         * Makefile.in (BOOT_CFLAGS): Remove accidental addition of -dU.
11904
11905 2004-08-13  J"orn Rennecke <joern.rennecke@superh.com>
11906
11907         * sh.md (cbranch define_delay) Use cond_delay_slot for
11908         non-anulled condition too.
11909
11910 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
11911
11912         * config/rs6000/rs6000.c (any_parallel_operand): New predicate.
11913         * config/rs6000/rs6000.h (PREDICATE_CODES): Add
11914         any_parallel_operand, lmw_operation, stmw_operation,
11915         mfcr_operation, mtcrf_operation.  Remove PARALLEL from any_operand.
11916         * config/rs6000/rs6000.md (save_fpregs_{si,di}): Use
11917         any_parallel_operand.
11918         (return_and_restore_fpregs_{si,di}): Same.
11919
11920 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
11921
11922         * genrecog.c (add_to_sequence): When processing a MATCH_PARALLEL,
11923         if pred->singleton != PARALLEL, issue a warning and pretend it was.
11924         Also issue a warning for any predicate we don't know about.
11925
11926 2004-08-12  Richard Henderson  <rth@redhat.com>
11927
11928         * config/i386/i386.c (internal_label_prefix): Export.
11929         (internal_label_prefix_len, struct ix86_address,
11930         ix86_decompose_address, maybe_get_pool_constant,
11931         ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes,
11932         memory_address_length): Export.
11933         (any_fp_register_operand, fp_register_operand,
11934         register_and_not_any_fp_reg_operand, register_and_not_fp_reg_operand,
11935         x86_64_general_operand, x86_64_szext_general_operand,
11936         x86_64_nonmemory_operand, x86_64_movabs_operand,
11937         x86_64_szext_nonmemory_operand, x86_64_immediate_operand,
11938         x86_64_zext_immediate_operand, const_int_1_31_operand,
11939         symbolic_operand, pic_symbolic_operand, local_symbolic_operand,
11940         tls_symbolic_operand, global_dynamic_symbolic_operand,
11941         local_dynamic_symbolic_operand, initial_exec_symbolic_operand,
11942         local_exec_symbolic_operand, call_insn_operand, sibcall_insn_operand,
11943         constant_call_address_operand, const0_operand, const1_operand,
11944         const248_operand, const_0_to_3_operand, const_0_to_7_operand,
11945         const_0_to_15_operand, const_0_to_255_operand, incdec_operand,
11946         shiftdi_operand, reg_no_sp_operand, mmx_reg_operand,
11947         general_no_elim_operand, nonmemory_no_elim_operand,
11948         index_register_operand, q_regs_operand, flags_reg_operand,
11949         non_q_regs_operand, zero_extended_scalar_load_operand,
11950         vector_move_operand, no_seg_address_operand, sse_comparison_operator,
11951         ix86_comparison_operator, ix86_carry_flag_operator,
11952         fcmov_comparison_operator, promotable_binary_operator,
11953         cmp_fp_expander_operand, ext_register_operand, binary_fp_operator,
11954         mult_operator, div_operator, arith_or_logical_operator,
11955         memory_displacement_operand, cmpsi_operand, long_memory_operand,
11956         aligned_operand): Move to predicates.md as define_predicates.
11957         (tls_symbolic_operand_1): Remove.
11958         (x86_64_sign_extended_value): Merge into x86_64_immediate_operand.
11959         (x86_64_zero_extended_value): Merge into x86_64_zext_immediate_operand.
11960         (legitimize_address): Merge tls_symbolic_operand contents.
11961         (ix86_expand_move): Likewise.
11962         * config/i386/i386-protos.h: Update for exports.
11963         * config/i386/i386.h (EXTRA_CONSTRAINT): Update for renames.
11964         (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Remove.
11965         * config/i386/i386.md: Include predicates.md.
11966         * config/i386/predicates.md: New file.
11967
11968 2004-08-13  Mark Mitchell  <mark@codesourcery.com>
11969
11970         PR c++/16924
11971         * config/i386/winnt.c (i386_pe_mark_dllexport): Set
11972         SYMBOL_REF_DECL.
11973         (i386_pe_mark_dllimport): Likewise.
11974         (i386_pe_encode_section_info): Likewise, when overriding
11975         dllimport attribute.
11976
11977 2004-08-12  Geoffrey Keating  <geoffk@apple.com>
11978
11979         * configure.ac: When testing for flex, nm, ar, and bison, check
11980         that they will actually be built.
11981         * configure: Regenerate.
11982
11983 2004-08-12  Ulrich Weigand  <uweigand@de.ibm.com>
11984
11985         * config/s390/s390.h (MAX_FIXED_MODE_SIZE): Define.
11986         (MOVE_MAX_PIECES): Define.
11987
11988 2004-08-12  Devang patel  <dpatel@apple.com>
11989
11990         * dbxout.c (dbxout_begin_prologue): New function.
11991         (dbx_debug_hooks): Use new begin prologue hook.
11992         (dbxout_function_end): Emit N_ENSYM.
11993         * stab.def (N_BNSYM, N_ENSYM): Define and document these two new stabs.
11994
11995 2004-08-12  Janis Johnson  <janis187@us.ibm.com>
11996
11997         * config/rs6000/altivec.h (vec_dst): Fix C++ functions whose first
11998         argument is float*.
11999
12000         * config/rs6000/rs6000.c (altivec_init_builtins): Fix argument type
12001         for vec_dss.
12002
12003         * doc/extend.texi (AltiVec builtins): Fix description for recent
12004         changes.  Update operation list to match current support.
12005
12006 2004-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
12007
12008         * config/s390/s390.c (struct s390_frame_layout): New struct as element
12009         of struct machine_function.
12010         (cfun->machine->frame_size): Moved into cfun->machine->frame_layout and
12011         changed all uses.
12012         (cfun->machine->save_fprs_p): Replaced by cfun_save_high_fprs and
12013         changed all uses.
12014         (cfun_frame_layout, cfun_save_high_fprs_p, cfun_gprs_save_area_size)
12015         (cfun_set_fpr_bit, cfun_fpr_bit_p): New macros.
12016         (s390_frame_area, s390_register_info): New functions.
12017         (s390_optimize_prolog): Renamed to s390_optimize_prologue.  Added check
12018         for base register.
12019         (s390_return_addr_rtx, s390_return_address_offset)
12020         (s390_va_start, s390_gimplify_va_arg)
12021         (s390_emit_prologue, s390_emit_epilogue): Adjusted for new stack
12022         layouts.
12023         (s390_frame_info): Functionality partly moved to s390_register_info.
12024         Made adaptions for new stack layout.
12025         (save_gprs, restore_gprs): Changed meaning of second parameter and
12026         adapted all callers.
12027
12028         * config/s390/s390.h (s390_backchain_string): New global variable.
12029         (MASK_BACKCHAIN): Removed definition.
12030         (TARGET_BACKCHAIN): Changed check.
12031         (TARGET_KERNEL_BACKCHAIN): New macro.
12032         (TARGET_SWITCHES): Removed entries of "backchain" and "no-backchain".
12033         (TARGET_OPTIONS): Added "backchain", "no-backchain" and
12034         "kernel-backchain".
12035         (DYNAMIC_CHAIN_ADDRESS): Adjusted for new stack layouts.
12036
12037         * config/s390/s390.md ("allocate_stack"): Added TARGET_KERNEL_BACKCHAIN
12038         as condition.  Adjusted for new stack layout.
12039
12040         * doc/invoke.texi: Added documentation for new option
12041         "-mkernel-backchain" and adjusted documentation of "-mbackchain" and
12042         "-mno-backchain".
12043
12044 2004-08-12  Paul Brook  <paul@codesourcery.com>
12045
12046         * config/arm/lib1funcs.asm (ARM_FUNC_ALIAS): Also alias _L__name.
12047         (aeabi_uidivmod, aeabi_idivmod): Provide thumb implementation.
12048
12049 2004-08-12  David Daney  <ddaney@avtrex.com>
12050
12051         * java/gcj.texi:  Add subsection on signal usage.
12052
12053 2004-08-12  David Edelsohn  <edelsohn@gnu.org>
12054
12055         * expr.c (move_by_pieces): Set alignment for move to minimum of
12056         MOVE_MAX_PIECES mode alignment and the largest non-slow mode
12057         alignment, but not less than the original alignment.
12058         (move_by_pieces_ninsns): Same.
12059         (can_store_by_pieces): Similar for store with STORE_MAX_PIECES.
12060         (store_by_pieces_1): Same.
12061
12062 2004-08-12  Diego Novillo  <dnovillo@redhat.com>
12063
12064         PR tree-optimization/16867
12065         * tree.c (is_global_var): New function.
12066         (needs_to_live_in_memory): Check for TREE_ADDRESSABLE.
12067         Call is_global_var.
12068         * tree.h (DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL): Remove.
12069         Update all users.
12070         (is_global_var): Declare.
12071         * tree-dfa.c (dump_variable): Display global and addressable
12072         attributes.
12073         (add_referenced_var): Clarify documentation when marking
12074         variables call-clobbered.
12075         * tree-flow-inline.h (is_call_clobbered): Call is_global_var
12076         instead of needs_to_live_in_memory.
12077         (mark_call_clobbered): If the variable is a tag, mark it
12078         DECL_EXTERNAL.
12079         * tree-gimple.c (is_gimple_reg): Don't check for
12080         TREE_ADDRESSABLE.
12081         (is_gimple_non_addressable): Likewise.
12082         * tree-ssa-alias.c (get_nmt_for): Always check whether the tag
12083         needs to be marked call-clobbered.
12084         (setup_pointers_and_addressables): Call is_global_var instead
12085         of needs_to_live_in_memory.
12086         * tree-ssa-dce.c (need_to_preserve_store): Remove.
12087         Update all users with is_global_var.
12088         (mark_stmt_if_obviously_necessary): Fix processing of aliased
12089         stores.  Don't check the virtual definitions.  Rather, check
12090         whether the store is going into global memory.
12091         (find_obviously_necessary_stmts): Get the symbol from the PHI
12092         result.
12093         * tree-ssa-operands.c (get_call_expr_operands): Do not add
12094         clobbering may-defs if the call does not have side effects.
12095
12096 2004-08-12  Jakub Jelinek  <jakub@redhat.com>
12097
12098         PR c++/16276
12099         * output.h (default_function_rodata_section,
12100         default_no_function_rodata_section): New prototypes.
12101         * target.h (struct gcc_target): Add asm_out.function_rodata_section.
12102         * target-def.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
12103         (TARGET_ASM_OUT): Add it.
12104         * varasm.c (default_function_rodata_section,
12105         default_no_function_rodata_section): New functions.
12106         * final.c (final_scan_insn): Call
12107         targetm.asm_out.function_rodata_section instead of
12108         readonly_data_section.
12109         * config/darwin.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Define.
12110         * config/mcore/mcore.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12111         * config/ip2k/ip2k.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12112         * config/rs6000/xcoff.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12113         Likewise.
12114         * config/alpha/alpha.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12115         * config/i386/cygming.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12116         Likewise.
12117         * config/i386/i386-interix.h (TARGET_ASM_FUNCTION_RODATA_SECTION):
12118         Likewise.
12119         * config/arm/pe.h (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12120         * config/avr/avr.c (TARGET_ASM_FUNCTION_RODATA_SECTION): Likewise.
12121         * doc/tm.texi (TARGET_ASM_FUNCTION_RODATA_SECTION): Document.
12122
12123 2004-08-12  Paul Brook  <paul@codesourcery.com>
12124
12125         * dwarf2out.h (dwarf2out_frame_finish): Conditionalize outputting eh
12126         frame info.
12127         * doc/tm.texi: Document interaction between TARGET_UNWIND_INFO and
12128         DWARF2_UNWIND_INFO.
12129
12130 2004-08-12  Ben Elliston  <bje@au.ibm.com>
12131
12132         PR target/16286
12133         * config/rs6000/altivec.h: Change vector to __vector throughout.
12134         (Except for the `vector' macro itself).
12135
12136 2004-08-12  Zack Weinberg  <zack@codesourcery.com>
12137
12138         * genpreds.c: Add capability to generate predicate bodies as
12139         well as function prototypes.  Write function prototypes for
12140         the generic predicates too.
12141         (process_define_predicate, write_tm_preds_h, write_insn_preds_c)
12142         (write_predicate_subfunction, mark_mode_tests, add_mode_tests)
12143         (write_match_code, write_predicate_expr, write_one_predicate_function)
12144         (parse_option): New functions.
12145         (output_predicate_decls): Delete.
12146         (main): Read the machine description, process DEFINE_PREDICATE or
12147         DEFINE_SPECIAL_PREDICATE patterns, write tm-preds.h or insn-preds.c
12148         as appropriate.
12149
12150         * genrecog.c (struct decision_test): Replace index with
12151         struct pred_data pointer.
12152         (next_index): Remove, unused.
12153         (pred_table, preds, special_mode_pred_table): Delete.
12154         (compute_predicate_codes, process_define_predicate): New functions.
12155         (validate_pattern, add_to_sequence, write_switch): Update for
12156         new data structures.
12157         (main): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
12158         Check both error_count and have_error.
12159
12160         * gensupport.c (in_fname, first_predicate): New globals.
12161         (define_pred_queue, define_pred_tail): New RTL-pattern queue.
12162         (predicate_table, last_predicate, old_pred_table)
12163         (old_special_pred_table): New statics.
12164         (hash_struct_pred_data, eq_struct_pred_data, lookup_predicate)
12165         (add_predicate, init_predicate_table): New functions.
12166         (process_rtx): Handle DEFINE_PREDICATE and DEFINE_SPECIAL_PREDICATE.
12167         (init_md_reader_args_cb): Use the global in_fname.  No need to zero
12168         it or max_include_len.  Call init_predicate_table.
12169         (read_rtx): Run the predicate queue after the attribute queue
12170         but before all the others.
12171         * gensupport.h (in_fname, struct pred_data, first_predicate)
12172         (lookup_predicate, add_predicate, FOR_ALL_PREDICATES): Declare.
12173         * rtl.def (MATCH_CODE, MATCH_TEST, DEFINE_PREDICATE)
12174         (DEFINE_SPECIAL_PREDICATE): New RTL codes.
12175         * dummy-conditions.c: Don't include bconfig.h, system.h,
12176         coretypes.h, tm.h, or system.h.  Do include stddef.h.
12177         Duplicate declaration of struct c_test from gensupport.h.
12178
12179         * Makefile.in (OBJS-common): Add insn-preds.o.
12180         (STAGESTUFF, .PRECIOUS): Add insn-preds.c.
12181         (insn-preds.c, insn-preds.o): New rules.
12182         (s-preds): Also generate insn-preds.c.
12183         (dummy-conditions.o, genpreds$(build_exeext), genpreds.o):
12184         Update dependencies.
12185         (print-rtl.o, print-rtl1.o): Correct dependencies.
12186
12187         * recog.h: Delete prototypes of predicate functions.
12188
12189         * doc/md.texi (Predicates): New section with complete
12190         documentation of operand/operator predicates.  Remove some
12191         incomplete documentation of predicates from other places.
12192         * doc/tm.texi (Misc): Move SPECIAL_MODE_PREDICATES next to
12193         PREDICATE_CODES; indicate that both are deprecated in favor
12194         of define_predicate/define_special_predicate.
12195
12196         * config/ia64/ia64.c: All predicate function definitions moved
12197         to ia64.md, except
12198         (small_addr_symbolic_operand, tls_symbolic_operand): Delete.
12199         (ia64_expand_load_address, ia64_expand_move):
12200         Check SYMBOL_REF_TLS_MODEL directly, don't use tls_symbolic_operand.
12201
12202         * config/ia64/ia64.md: All predicates now defined here.
12203         (symbolic_operand): Is now a special predicate.
12204
12205         * config/ia64/ia64.h: Declare ia64_section_threshold.
12206         (PREDICATE_CODES): Delete.
12207
12208 2004-08-12  Richard Henderson  <rth@redhat.com>
12209
12210         * c-common.h (STATEMENT_LIST_HAS_LABEL): New.
12211         * c-semantics.c (add_stmt): Set it.
12212         * c-decl.c (finish_decl): Use it to create a new BIND_EXPR
12213         before instantiating a variable sized type.
12214
12215 2004-08-12  Richard Henderson  <rth@redhat.com>
12216
12217         * stor-layout.c (round_up, round_down): Move ...
12218         * fold-const.c (round_up, round_down): ... here.  Use
12219         multiple_of_p to avoid any arithmetic at all.
12220
12221 2004-08-12  Richard Henderson  <rth@redhat.com>
12222
12223         * gimplify.c (struct gimplify_init_ctor_preeval_data): New.
12224         (gimplify_init_ctor_preeval_1): New.
12225         (gimplify_init_ctor_preeval): New.
12226         (gimplify_init_ctor_eval): New.
12227         (gimplify_init_constructor): Use them.  Always gimplify the LHS
12228         object first.
12229
12230 2004-08-12  Ziemowit Laski  <zlaski@apple.com>
12231
12232         (This patch is part of merge of objc-improvements-branch
12233         into mainline.)
12234
12235         * doc/frontends.texi: Mention Objective-C++ in addition to
12236         Objective-C.
12237         * doc/install.texi: Add 'obj-c++' to list of configurable
12238         languages.
12239         * doc/invoke.texi: Rename Objective-C option headings to
12240         indicate they also apply to Objective-C++.  List file
12241         extensions for Objective-C++ sources.  Mention that
12242         ObjC and ObjC++ compilations may also use C and C++ options,
12243         respectively.  Point users to doc/standards.texi for
12244         further info on ObjC and ObjC++.
12245         * doc/sourcebuild.texi: Mention the objcp/ directory and
12246         the Objective-C++ sources it contains.
12247         * doc/standards.texi: Update link to Apple ObjC site;
12248         add link to gcc readings.html WWW doc.
12249
12250 2004-08-12  Alan Modra  <amodra@bigpond.net.au>
12251
12252         * config/rs6000/rs6000.c (function_arg_padding): Revert 2004-07-28
12253         and 2004-07-14 changes.
12254
12255 2004-08-12  Paul Brook  <paul@codesourcery.com>
12256
12257         * doc/invoke.texi: Fix typo.
12258
12259 2004-08-11 Devang Patel  <dpatel@apple.com>
12260
12261         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -dead_strip
12262         and -no_dead_strip_inits_and_terms.
12263         (LINK_SPEC): Same.
12264         * doc/invoke.texi (Darwin Options): Document -dead_strip and
12265         -no_dead_strip_inits_and_terms.
12266
12267 2004-08-11  Paul Brook  <paul@codesourcery.com>
12268
12269         * config/arm/arm-protos.h (arm_finalize_pic) Rename ...
12270         (arm_load_pic_register): ... to this.
12271         * config/arm/arm.c (arm_finalize_pic): Rename ...
12272         (arm_load_pic_register): ... to this.  Always output insns at the
12273         current location.  Load via low reg in thumb mode.
12274         (arm_expand_prologue): Call arm_load_pic_register.
12275         (thumb_expand_prologue): Ditto.
12276         * config/arm/arm.h (FINALIZE_PIC): Remove.
12277         * config/arm/arm.md (builtin_setjmp_receiver): Call
12278         arm_load_pic_register.
12279
12280 2004-08-11  Paul Brook  <paul@codesourcery.com>
12281
12282         * arm.c (thumb_force_lr_save): Add prototype.
12283         (thumb_compute_save_reg_mask): New function.
12284         (thumb_find_work_register): New function.
12285         (arm_get_frame_offsets): Use thumb_compute_save_reg_mask.
12286         (thumb_unexpanded_epilogue): Ditto.  Remove redundant code.
12287         Don't clobber r3 when removing pretend args.
12288         (thumb_expand_prologue): Use thumb_compute_save_reg_mask.
12289         (thumb_output_function_prologue): Use new functions.
12290         (thumb_set_return_address): Use thumb_compute_save_reg_mask.
12291         * arm.h (THUMB_REG_PUSHED_P): Remove.
12292
12293 2004-08-11  James E Wilson  <wilson@specifixinc.com>
12294
12295         PR rtl-optimization/16490
12296         * cfgrtl.c (cfg_layout_split_edge): Set global_live_at_start and
12297         global_live_at_end for new basic block if already set for other blocks.
12298
12299 2004-08-11 David Edelsohn  <edelsohn@gnu.org>
12300
12301         * config/rs6000/rs6000.h (MAX_FIXED_MODE_SIZE): Define.
12302
12303         * config/rs6000/rs6000.md (mfcr rlwinm patterns): Set length to 8.
12304         (mfcr rlwinm rlwinm patterns): Set length to 12.
12305
12306 2004-08-11  Andrew MacLeod  <amacleod@redhat.com>
12307
12308         * tree-flow-inline.h (get_def_ops, get_use_ops, get_v_may_def_ops,
12309         get_vuse_ops,get_v_must_def_ops): Add operand structure reference.
12310         (get_v_may_def_result_ptr, get_v_may_def_op_ptr): New access struct.
12311         (start_ssa_stmt_operands): Delete.
12312         * tree-flow.h (struct stmt_ann_d): Replace operand vectors with new
12313         struct stmt_operands_d.
12314         (build_ssa_operands): New extern entry point.
12315         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove operand
12316         building code, replace with create_ssa_artficial_load_stmt().
12317         * tree-ssa-operands.c (struct voperands_d): Delete.
12318         (allocate_v_may_def_optype): Allocate v_may_def_operand_type_t vector.
12319         (allocate_v_must_def_optype): Use sizeof (tree), not sizeof (tree *).
12320         (free_uses, free_defs, free_vuses, free_v_may_defs,
12321         free_v_must_defs): Remove dealloc parameter.
12322         (remove_vuses, remove_v_may_def, remove_v_must_defs): Delete.
12323         (finalize_ssa_defs, finalize_ssa_uses, finalize_ssa_v_may_defs,
12324         finalize_ssa_vuses, finalize_ssa_v_must_defs): Perform all operand
12325         vector comparisons, ssa_name reuse, and allocations here.
12326         (verify_start_operands): Delete.
12327         (finalize_ssa_stmt_operands): Set new operands by calling finalize
12328         routines.
12329         (start_ssa_stmt_operands): Move from tree-flow-inline.h.
12330         (append_def, append_usei): Simplify to simple accumulation.
12331         (append_v_may_def, append_vuse, append_v_must_def): Simplify to avoiding
12332         duplicates and simple accumulation.
12333         (free_ssa_operands): Free vectors in a stmt_operand structure.
12334         (build_ssa_operands): New. Create a new stmt_operand structure from
12335         a stmt and an old set of stmt_operands.
12336         (get_stmt_operands): Simplify and call build_ssa_operands.
12337         (get_expr_operands, get_asm_expr_operands, get_indirect_ref_operands,
12338         get_call_expr_operands, add_stmt_operand, add_call_clobber_ops,
12339         add_call_read_ops): Don't pass prev_vops around anymore.
12340         (note_addressable): Return if no stmt annotation.
12341         (copy_virtual_operands): Access v_may_def operands through a struct.
12342         (create_ssa_artficial_load_stmt): New.  Create a load stmt for DOM's
12343         hash tables without treating the stmt as a real stmt.
12344         * tree-ssa-operands.h (struct v_may_def_operand_type): New.  Access
12345         v_may_def def and use through a struct instead of 2 array elements.
12346         (struct v_may_def_optype_d): Use v_may_def_operand_type.
12347         (struct stmt_operands_d): New.  Struct for storing all operand vectors.
12348
12349 2004-08-11  Nick Clifton  <nickc@redhat.com>
12350
12351         * config/arm/arm.c (arm_is_longcall_p): Update comment describing
12352         this funciton's behaviour.  Return true when the current function
12353         has a section attribute and -mlong-calls is in effect.
12354         * config/arm/arm.h (ARM_DECLARE_FUNCTION_SIZE): Do not set the
12355         short-call marker when -mlong-calls is in effect and the function
12356         has a section attribute.
12357
12358 2004-08-10  Zack Weinberg  <zack@codesourcery.com>
12359
12360         * stmt.c (expand_return): If asked to return the RESULT_DECL,
12361         just call expand_value_return on result_rtl.
12362
12363 2004-08-10  Richard Henderson  <rth@redhat.com>
12364
12365         * builtins.def (BUILT_IN_STACK_ALLOC): Remove.
12366         * builtins.c (expand_builtin) <BUILT_IN_STACK_ALLOC>: Remove.
12367         * dwarf2out.c (loc_descriptor): Handle PARALLEL here ...
12368         (add_location_or_const_value_attribute): ... not here.  Use
12369         loc_descriptor_from_tree if possible.
12370         (loc_descriptor_from_tree_1): Rename from loc_descriptor_from_tree.
12371         Simplify address handling.  Handle DECL_VALUE_EXPR.  Handle register
12372         values specially.
12373         (loc_descriptor_from_tree): New.  Update callers.
12374         * expr.c (expand_var): Ignore DECL_VALUE_EXPR variables.
12375         * gimplify.c (gimplify_decl_expr): Lower variable sized types to
12376         pointer plus dereference.  Set DECL_VALUE_EXPR.  Set save_stack.
12377         (gimplify_call_expr): Do not recognize BUILT_IN_STACK_ALLOC
12378         and BUILT_IN_STACK_RESTORE.
12379         (gimplify_expr): Lower DECL_VALUE_EXPR decls.
12380         * stmt.c (expand_stack_alloc): Remove.
12381         * tree-mudflap.c (mx_register_decls): Don't look for
12382         BUILT_IN_STACK_ALLOC.
12383         * tree-nested.c (convert_local_reference): Likewise.
12384         * tree.h (DECL_VALUE_EXPR): New.
12385
12386 2004-08-10  Richard Henderson  <rth@redhat.com>
12387
12388         * stor-layout.c (round_up): Check for 0/1 before dividing.
12389         (round_down): Likewise.
12390
12391         * tree-tailcall.c (suitable_for_tail_opt_p): Also check DECL_EXTERNAL.
12392
12393 2004-08-09  Mark Mitchell  <mark@codesourcery.com>
12394
12395         * config.gcc (arm*-*-eabi*): New target.
12396         * defaults.h (TARGET_LIBGCC_FUNCS): New macro.
12397         (TARGET_LIB_INT_CMP_BIASED): Likewise.
12398         * expmed.c (expand_divmod): Try a two-valued divmod function as a
12399         last resort.
12400         * gthr.h: Remove bogus tokens at end of #pragma.
12401         * optabs.c (expand_twoval_binop_libfunc): New function.
12402         (prepare_cmp_insn): Handle the !TARGET_LIB_INT_CMP_BIASED case.
12403         (prepare_float_lib_cmp): Try reversing the condition.
12404         (debug_optab_libfuncs): New function.
12405         * optabs.h (expand_twoval_binop_libfunc): Declare.
12406         * config/arm/arm.c (arm_init_libfuncs): New function.
12407         (arm_compute_initial_eliminatino_offset): Return HOST_WIDE_INT.
12408         (TARGET_INIT_LIBFUNCS): Define it.
12409         * config/arm/arm.h (TARGET_BPABI): New macro.
12410         * config/arm/arm-protos.h
12411         (arm_compute_initial_elimination_offset): Return HOST_WIDE_INT.
12412         * config/arm/bpabi.S: New file.
12413         * config/arm/bpabi.c: Likewise.
12414         * config/arm/bpabi.h: Likewise.
12415         * config/arm/ieee754-df.S (__aeabi_dneg): New function or alias.
12416         (__aeabi_drsub): Likewise.
12417         (__aeabi_dsub): Likewise.
12418         (__aeabi_dadd): Likewise.
12419         (__aeabi_ui2d): Likewise.
12420         (__aeabi_i2d): Likewise.
12421         (__aeabi_f2d): Likewise.
12422         (__aeabi_dmul): Likewise.
12423         (__aeabi_ddiv): Likewise.
12424         (__aeabi_cdrcmple): Likewise.
12425         (__aeabi_cdcmpeq): Likewise.
12426         (__aeabi_cdcmple): Likewise.
12427         (__aeabi_dcmpeq): Likewise.
12428         (__aeabi_dcmplt): Likewise.
12429         (__aeabi_dcmple): Likewise.
12430         (__aeabi_dcmpge): Likewise.
12431         (__aeabi_dcmpgt): Likewise.
12432         (__aeabi_dcmpun): Likewise.
12433         (__aeabi_d2iz): Likewise.
12434         (__aeabi_d2uiz): Likewise.
12435         (__aeabi_d2f): Likewise.
12436         * config/arm/ieee754-sf.S (__aeabi_fneg): New function or alias.
12437         (__aeabi_frsub): Likewise.
12438         (__aeabi_fsub): Likewise.
12439         (__aeabi_fadd): Likewise.
12440         (__aeabi_ui2f): Likewise.
12441         (__aeabi_i2f): Likewise.
12442         (__aeabi_fmul): Likewise.
12443         (__aeabi_fdiv): Likewise.
12444         (__aeabi_cfrcmple): Likewise.
12445         (__aeabi_cfcmpeq): Likewise.
12446         (__aeabi_cfcmple): Likewise.
12447         (__aeabi_fcmpeq): Likewise.
12448         (__aeabi_fcmplt): Likewise.
12449         (__aeabi_fcmple): Likewise.
12450         (__aeabi_fcmpge): Likewise.
12451         (__aeabi_fcmpgt): Likewise.
12452         (__aeabi_fcmpun): Likewise.
12453         (__aeabi_f2iz): Likewise.
12454         (__aeabi_f2uiz): Likewise.
12455         * config/arm/lib1funcs.asm (ARM_CALL): New macro.
12456         (__aeabi_uidivmod): New function or alias.
12457         (__aeabi_idivmod): Likewise.
12458         (__aeabi_idiv0): Likewise.
12459         (__aeabi_ldiv0): Likewise.
12460         (__aeabi_llsr): Likewise.
12461         (__aeabi_lasr): Likewise.
12462         (__aeabi_llsl): Likewise.
12463         (bpabi.S): Include it.
12464         * config/arm/libgcc-bpabi.ver: New file.
12465         * config/arm/symbian.h (ARM_DEFAULT_ABI): Remove.
12466         (LINK_SPEC): Remove.
12467         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add __aeabi_lcmp and
12468         __aeabi_ulcmp.
12469         * config/arm/t-bpabi: New file.
12470         * doc/tm.texi (TARGET_LIBGCC_FUNCS): New entry.
12471         (TARGET_LIB_INT_CMP_BIASED): Likewise.
12472
12473 2004-08-10  David Edelsohn  <edelsohn@gnu.org>
12474
12475         * config/rs6000/rs6000-protos.h (expand_block_clear): Declare.
12476         * config/rs6000/rs6000.md (clrmemsi): New pattern.
12477         * config/rs6000/rs6000.c (expand_block_clear): New function.
12478         (expand_block_move): Convert alignment to bits.  Use SImode and
12479         HImode for unaligned addresses if not STRICT_ALIGNMENT.
12480
12481 2004-08-10  Caroline Tice  <ctice@apple.com>
12482
12483         * varasm.c (unlikely_section_label): New global variable.
12484         (unlikely_text_section_name): New global variable.
12485         (text_section):  Remove alignment statement.
12486         (unlikely_text_section): Remove alignment statement; use
12487         unlikely_section_label rather than hard-coded string.
12488         (assemble_start_function): Initialize unlikely_section_label and
12489         unlikely_text_section_name;  make sure cold section is properly
12490         aligned at start of function; output unlikely_section_label if
12491         appropriate.
12492
12493 2004-08-10  Ulrich Weigand  <uweigand@de.ibm.com>
12494
12495         * config/s390/s390-protos.h (s390_canonicalize_comparison): Declare.
12496         * config/s390/s390.c (s390_canonicalize_comparison): New function.
12497         * config/s390/s390.h (CANONICALIZE_COMPARISON): Define.
12498         * config/s390/s390.md ("*tmdi_ext", "*tmsi_ext", "*tmqisi_ext",
12499         "*tmqidi_ext", "*tmdi_mem", "*tmsi_mem", "*tmhi_mem"): Remove.
12500         ("*tmqi_mem"): Remove SUBREG from pattern.
12501         ("*anddi3_cconly"): Prevent accidentally matching TM pattern.
12502         ("*andsi3_cconly"): Likewise.
12503
12504 2004-08-10  H.J. Lu  <hongjiu.lu@intel.com>
12505
12506         PR target/16909
12507         * config/i386/i386.md (*strsetdi_rex_1): Use DI instead of SI.
12508
12509 2004-08-10  Janis Johnson  <janis187@us.ibm.com>
12510
12511         * doc/sourcebuild.texi (compat testing): Document available test
12512         framework commands.  Use the preferred spelling of DejaGnu.
12513
12514 2004-08-10  Daniel Berlin <dberlin@dberlin.org>
12515
12516         * lambda.h: Add matrix type, and prototypes for remainder of
12517         matrix and vector functions.
12518         (lambda_vector_mult_const): New function.
12519         (lambda_vector_negate): Ditto.
12520         (lambda_vector_add): Ditto.
12521         (lambda_vector_add_mc): Ditto.
12522         (lambda_vector_copy): Ditto.
12523         (lambda_vector_zerop): Ditto.
12524         (lambda_vector_equal): Ditto.
12525         (lambda_vector_min_nz): Ditto.
12526         (lambda_vector_first_nz): Ditto.
12527         (lambda_vector_matrix_mult): Ditto.
12528         * lambda-mat.c: New file.
12529         * Makefile.in (lambda-mat.o): New.
12530
12531 2004-08-10  Andrew MacLeod  <amacleod@redhat.com>
12532
12533         * tree-cfg.c (bsi_insert_before, bsi_insert_after): Call modify_stmt
12534         after linking stmt into the program.
12535         (bsi_remove): Don't call modify_stmt.
12536         * tree-complex.c (update_complex_assignment,
12537         expand_complex_comparison): Call modify_stmt after changing the stmt.
12538         * tree-outof-ssa.c (rewrite_trees): Call modify_stmt only if not
12539         removing the stmt.
12540         * tree-ssa-ccp.c (substitute_and_fold): Call modify_stmt after changing
12541         the stmt, and only if needed.
12542         * tree-ssa-dom.c (thread_across_edge): Pass no annotation for a dummy
12543         expression.
12544         (simplify_rhs_and_lookup_avail_expr): Don't take an annotation param.
12545         (simplify_cond_and_lookup_avail_expr): Use modify_stmt.
12546         (simplify_switch_and_lookup_avail_expr): Don't take an annotation param.
12547         (eliminate_redundant_computations): Don't pass an annotation. Call
12548         modify_stmt rather than setting the annotation directly.
12549         (record_equivalences_from_stmt): Remove unused local 'j'.
12550         (cprop_operand): Take a stmt rather than an annotation as a parameter.
12551         Call modify_stmt.
12552         (cprop_into_stmt): Pass stmt rather than annotation.
12553         (update_rhs_and_lookup_avail_expr): Call modify_stmt.
12554         * tree-ssa-loop-im.c (schedule_sm): Call get_stmt_ann rather than
12555         modify_stmt.
12556         * tree-ssa.c (propagate_into_addr): Dont call modify_stmt.
12557
12558 2004-08-10  Jason Merrill  <jason@redhat.com>
12559
12560         PR middle-end/16948
12561         * function.c (expand_function_start): Handle DECL_BY_REFERENCE on
12562         the RESULT_DECL.
12563
12564 2004-08-10  Geoffrey Keating  <geoffk@apple.com>
12565
12566         * tree-vn.c (val_expr_pair_expr_eq): Compare vuses, to match the
12567         hash function.
12568
12569 2004-08-10  Roger Sayle  <roger@eyesopen.com>
12570
12571         * config/mips/mips.md: New reciprocal square root patterns that
12572         match sqrt(1.0/x) in addition to the existing 1.0/sqrt(x) insns.
12573
12574 2004-08-10  Paul Brook  <paul@codesourcery.com>
12575
12576         * config/arm/arm-protos.h (arm_set_return_address,
12577         thumb_set_return_address): Add prototypes.
12578         * config/arm/arm.h (ARM_FT_EXCEPTION_HANDLER): Remove.
12579         * config/arm/arm.c (arm_compute_func_type,
12580         use_return_insn, arm_compute_save_reg0_reg12_mask,
12581         arm_compute_save_reg_mask, arm_output_function_prologue,
12582         arm_output_epilogue): Replace ARM_FT_EXCEPTION_HANDLER with
12583         current_function_calls_eh_return.
12584         (thumb_exit, thumb_pushpop, thumb_unexpanded_epilogue): Replace
12585         old eh code.
12586         (arm_set_return_address, thumb_set_return_address): New functions.
12587         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS, DWARF2_UNWIND_INFO,
12588         ARM_EH_STACKADJ_REGNUM, EH_RETURN_STACKADJ_RTX): Define.
12589         * config/arm/arm.md (VUNSPEC_EH_RETURN): Add.
12590         (epilogue): Use the stackadj register.
12591         (eh_return, arm_eh_return, thumb_eh_return): New pattern.
12592
12593 2004-08-10  Jakub Jelinek  <jakub@redhat.com>
12594
12595         PR target/3144
12596         * expr.c (move_by_pieces_ninsns): Add max_size argument.
12597         (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1 to it.
12598         (CLEAR_BY_PIECES_P): Pass STORE_MAX_PIECES + 1 to it.
12599         (STORE_BY_PIECES_P): Define similarly to CLEAR_BY_PIECES_P,
12600         but using MOVE_RATIO.
12601         (move_by_pieces): Pass max_size to move_by_pieces_ninsns.
12602         (can_store_by_pieces): Change max_size type to unsigned int.
12603         (store_by_pieces_1): Likewise.  Pass max_size to
12604         move_by_pieces_ninsns.
12605         * config/s390/s390.h (STORE_BY_PIECES_P): Define.
12606         * config/sh/sh.c (MOVE_BY_PIECES_P): Pass MOVE_MAX_PIECES + 1
12607         to move_by_pieces_ninsns.
12608         (STORE_BY_PIECES_P): Define.
12609         * config/ns32k/ns32k.h (STORE_BY_PIECES_P): Pass STORE_MAX_PIECES + 1
12610         to move_by_pieces_ninsns.
12611         * doc/tm.texi (STORE_BY_PIECES_P): Document changed default.
12612
12613         * config/i386/i386.h (CLEAR_RATIO): Define.
12614
12615 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
12616
12617         * expr.c (expand_expr_real_1): Add back code that was not dead.
12618
12619 2004-08-09  Andrew Pinski  <apinski@apple.com>
12620
12621         * c-common.c (c_common_get_alias_set): Set the aliasing set of the type
12622         which is found to be compatible before returning the aliasing set.
12623
12624 2004-08-09  Daniel Jacobowitz  <dan@debian.org>
12625
12626         * ggc-zone.c (struct alloc_zone): Add statistics counters.
12627         (always_collect): New flag.
12628         (ggc_alloc_zone_1): Update statistics support.  Don't include
12629         overhead in allocated counter.
12630         (sweep_pages): Update allocated counter for large pages.  Don'y
12631         include overhead.
12632         (ggc_collect_1): Always collect.
12633         (ggc_collect): Honor always_collect flag.  Sum all zones to decide
12634         whether to collect.
12635         (SCALE, LABEL): New macros.
12636         (ggc_print_statistics): Add statistics support.
12637
12638 2004-08-09  Roger Sayle  <roger@eyesopen.com>
12639
12640         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap): Change type to bool.
12641         (init_expmed): Fix potential overrun problem with "all.reg".
12642         (expand_sdiv2_pow2): Add an alternate implementation for signed
12643         division, if the target provides a suitable conditional move insn.
12644
12645 2004-08-09  Paul Brook  <paul@codesourcery.com>
12646         Richard Henderson  <rth@redhat.com>
12647
12648         * unwind-dw2.c (uw_install_context_1): Update target saved stack
12649         pointer.
12650
12651 2004-08-09  Geoffrey Keating  <geoffk@apple.com>
12652
12653         * ggc-common.c (ggc_rlimit_bound): Don't check RSS limit.
12654         Check DATA limit only if there's no AS limit.  Ignore insanely
12655         low DATA limits.
12656         (ggc_min_heapsize_heuristic): Don't divide AS or RSS limits by 8,
12657         but take care that the AS limit isn't overrun.
12658         * doc/invoke.texi: Update documentation of min-heapsize parameter.
12659
12660 2004-08-09  Jeff Law  <law@redhat.com>
12661
12662         * Makefile.in (OBJC-common): Add tree-ssa-threadupdate.c
12663         (tree-ssa-threadupdate.o): Add dependencies.
12664         * tree-ssa-threadupdate.c: New file.
12665         * tree-flow.h (incoming_edge_threaded): New flag in block annotation.
12666         (rewrite_vars_out_of_ssa): Remove prototype.
12667         (cleanup_tree_cfg): Returns a bool.
12668         * tree.h (thread_through_all_blocks): Prototype.
12669         * tree-outof-ssa.c  (SSANORM_*): Move into here.
12670         (remove_ssa_form): Now static.
12671         (rewrite_vars_out_of_ssa): Kill.
12672         * tree-ssa-live.c (register_ssa_partitions_for_vars): Kill.
12673         * tree-ssa-live.h (SSANORM_*): Moved into tree-outof-ssa.c.
12674         (remove_ssa_form, register_partitions_for_vars): Kill declarations.
12675         * tree-cfg.c (cleanup_tree_cfg): Return a value indicating if
12676         anything was changed.
12677         * tree-phinodes.c (add_phi_arg): Get the block for the PHI
12678         from the PHI's annotation rather than the edge associated with
12679         the new argument.
12680         * tree-ssa-dom.c (redirection_edges): Kill.
12681         (redirect_edges_and_update_ssa_graph): Kill.
12682         (tree_ssa_dominator_optimize): Do not reset forwardable flag
12683         for blocks anymore.  Do not initialize redirection_edges.
12684         Call thread_through_all_blocks.  Simplify code for cleanup
12685         of the CFG and iterating.  No longer call cleanup_tree_cfg
12686         outside the iteration loop.
12687         (thread_across_edge): No longer mess with forwardable blocks.
12688
12689 2004-08-09  Zack Weinberg  <zack@codesourcery.com>
12690
12691         * explow.c (memory_address): Use memory_address_p.
12692         * recog.c (general_operand): Likewise.
12693         * regrename.c: No need to define REG_OK_STRICT.
12694
12695 2004-08-09  Steven Bosscher  <stevenb@suse.de>
12696
12697         * timevar.def (TV_CPROP1, TV_CPROP2, TV_PRE, TV_HOIST, TV_LSM):
12698         New timers.
12699         * gcse.c: Include timevar.h.
12700         (const_prop_count, copy_prop_count): Rename to global_const_prop_count
12701         and global_copy_prop_count.
12702         (local_const_prop_count, local_copy_prop_count): New static globals.
12703         (gcse_main): Set the right timevar for each pass.
12704         (cprop_jump): Increment global_const_prop_count when a constant is
12705         propagated.  Add "GLOBAL" to dump output.
12706         (cprop_insn): Increment global_const_prop_count when a constant is
12707         propagated, or global_copy_prop_count when a copy is propagated.
12708         (do_local_cprop): Likewise for local_const_prop_count and
12709         local_copy_prop_count.
12710         (one_cprop_pass): Initialize const/cprop counters to zero.
12711         Print out results of local and global const/cprop separately.
12712         (bypass_block): Break over-length line.
12713         * Makefile.in (gcse.o): Add TIMEVAR_H dependency.  Fix dependencies
12714         for bb-reorder.o and tracer.o.
12715
12716 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
12717
12718         * Makefile.in (GTFILES): Remove stmt.c
12719         (stmt.o): Do not depend on gt-stmt.h.
12720         * emit-rtl.c (emit_line_note): Do not call
12721         set_file_and_line_for_stmt.
12722         * expr.c (expand_expr_real_1) <SWITCH_EXPR>: Let expand_case
12723         do everything.
12724         * function.c (free_after_parsing): Do not free STMT field.
12725         (allocate_struct_function): Do not call init_stmt_for_function.
12726         (assign_stack_temp_for_type): Do not accept values of keep
12727         other than 0 or 1.
12728         (init_temp_slots): Do not initialize removed variables.
12729         * function.h (struct function): Remove STMT, X_TARGET_TEMP_SLOT_LEVEL
12730         and X_VAR_TEMP_SLOT_LEVEL fields.
12731         * rtl.h (set_file_and_line_for_stmt): Remove.
12732         * stmt.c (struct nesting, ALLOC_NESTING, POPSTACK,
12733         struct stmt_status, cond_stack, case_stack, nesting_stack,
12734         nesting_depth, emit_locus, set_file_and_line_for_stmt,
12735         same_case_target_p, init_stmt_for_function, emit_nop,
12736         expand_start_cond, expand_start_elseif, expand_start_else,
12737         expand_elseif, expand_end_cond): Remove.
12738         (preserve_subexpressions_p): Remove references to CFUN->STMT.
12739         (expand_start_case, expand_end_case_type): Remove, merge into...
12740         (expand_case): ... this one, including other bits from
12741         expand_expr_real_1.  Inline same_case_target_p.  Turn members
12742         of CASE_STACK into local variables.
12743         (emit_case_bit_tests): Inline same_case_target_p.
12744         (add_case_node): Add HEAD argument, return new head of the list,
12745         do not handle default label here.
12746         * tree.h (expand_start_cond, expand_end_cond, expand_start_else,
12747         expand_start_elseif, current_nesting_level, expand_start_case,
12748         expand_end_case_type, expand_end_case, add_case_node,
12749         init_stmt_for_function, expand_elseif): Remove prototypes.
12750         (expand_case): Add prototype.
12751
12752 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
12753
12754         * expr.c (expand_expr_real_1): Use optab_for_tree_code.
12755
12756 2004-08-09  Paolo Bonzini  <bonzini@gnu.org>
12757
12758         * expr.c (var_rtx): Remove.
12759         (expand_expr_real_1) <LOOP_EXPR, EXIT_EXPR,
12760         LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR, TRUTH_ANDIF_EXPR,
12761         TRUTH_ORIF_EXPR, COMPOUND_EXPR, CONJ_EXPR, INIT_EXPR>:
12762         Abort.
12763         (expand_expr_real_1) <COND_EXPR>: Remove most special cases.
12764         * optabs.c (emit_clr_insn, emit_0_to_1_insn): Remove.
12765         * optabs.h (emit_clr_insn, emit_0_to_1_insn): Remove.
12766
12767 2004-08-08  Mostafa Hagog  <mustafa@il.ibm.com>
12768         Ayal Zaks <zaks@il.ibm.com>
12769
12770         * common.opt (freschedule-modulo-scheduled-loops): New flag.
12771         * final.c (final_scan_insn): Handle NOTE_DISABLE_SCHED_OF_BLOCK.
12772         * modulo-sched.c (sms_schedule): Emit a note to disable scheduling
12773         when -freschedule-modulo-scheduled-loops flag is not specified.
12774         (sms_schedule_by_order, ps_insn_advance_column, add_node_to_ps,
12775         add_node_to_ps, ps_has_conflicts, ps_add_node_check_conflicts):
12776         More accurate placing of insn in row of partial schedule.
12777         (ps_insn_find_column): New function.
12778         * rtl.h (NOTE_DISABLE_SCHED_OF_BLOCK): New note.
12779         * sched-rgn.c (sched_is_disabled_for_current_region_p): New.
12780         (schedule_region): Use sched_is_disabled_for_current_region_p.
12781         * docs/invoke.texi: Document -freschedule-modulo-scheduled-loops.
12782
12783 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
12784
12785         * config/i386/i386.c (ix86_expand_clrmem): Revert the last
12786         change.
12787
12788 2004-08-07  H.J. Lu  <hongjiu.lu@intel.com>
12789
12790         * config/i386/i386.c (ix86_expand_clrmem): Properly call
12791         gen_strset for 64bit target.
12792
12793 2004-08-07  Olivier Hainque  <hainque@act-europe.fr>
12794
12795         * config/vxworks.h (HANDLE_SYSV_PRAGMA): Remove definition.
12796
12797 2004-08-07  Jason Merrill  <jason@redhat.com>
12798
12799         Make return in memory explicit.
12800         * function.c (aggregate_value_p): Check DECL_BY_REFERENCE.
12801         (assign_parm_find_data_types): Remove code for old front end
12802         invisible reference handling.
12803         (assign_parms): Handle DECL_BY_REFERENCE on the RESULT_DECL.
12804         (expand_function_end): Likewise.
12805         * gimplify.c (gimplify_return_expr): Handle a dereferenced
12806         RESULT_DECL.
12807         * tree-inline.c (copy_body_r): Don't bother looking for &* anymore.
12808         (declare_return_variable): Handle DECL_BY_REFERENCE.
12809         * cp/cp-gimplify.c (is_invisiref_parm): Also handle RESULT_DECL.
12810         (cp_genericize_r): Use convert_from_reference.
12811         Don't dereference a RESULT_DECL directly inside a RETURN_EXPR.
12812         (cp_genericize): Handle the RESULT_DECL.  Unset TREE_ADDRESSABLE.
12813
12814         * c-common.c (c_warn_unused_result): Check TREE_USED before
12815         warning about a CALL_EXPR with an unused value.
12816
12817 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
12818
12819         * config/arm/symbian.h (CC1_SPEC): Avoid passing duplicate options
12820         to the compiler.  Use -fshort-wchar by default.
12821
12822 2004-08-06  Pat Haugen  <pthaugen@us.ibm.com>
12823
12824         * params.def (PARAM_MIN_CROSSJUMP_INSNS): New.
12825         * cfgcleanup.c (try_crossjump_to_edge): Add minimum insn match
12826         threshhold.
12827         * doc/invoke.texi (param): Document min-crossjump-insns.
12828
12829 2004-08-06  Richard Sandiford  <rsandifo@redhat.com>
12830
12831         PR c/13282
12832         * c.opt (Wmissing-field-initializers): New option.
12833         * c-opts.c (c_common_post_options): Make -Wextra turn it on by default.
12834         * c-typeck.c (pop_init_level): Guard the missing field warning with
12835         warn_missing_field_initializers rather than extra_warnings.
12836         * doc/invoke.texi (-Wmissing-field-initializers): Document, moving
12837         some of the explanation from...
12838         (-Wextra): ...here.  Say that the missing field warning can be
12839         seperately controlled by -Wmissing-field-initializers.
12840
12841 2004-08-06  Paolo Bonzini  <bonzini@gnu.org>
12842
12843         * expr.c (expand_expr_real_1) <ENTRY_VALUE_EXPR>: Remove.
12844         * tree-inline.c (estimate_num_insns_1) <ENTRY_VALUE_EXPR>: Remove.
12845         * tree-pretty-print.c (dump_generic_node) <ENTRY_VALUE_EXPR>: Remove.
12846         * tree.def (ENTRY_VALUE_EXPR): Remove.
12847
12848 2004-08-06  Jakub Jelinek  <jakub@redhat.com>
12849
12850         * config/i386/i386.c (ix86_expand_clrmem): Move gen_cld down to
12851         the places where it is actually needed.  Don't use repz; stosb
12852         for -Os with sufficiently small constant sizes.
12853         For sufficiently small repz; stos{l,q} repeat counts use a sequence
12854         of stos{l,q} instructions instead.
12855
12856 2004-08-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12857
12858         PR tree-optimization/16807
12859         * loop-iv.c (dump_iv_info): Dump invariants correctly.
12860         (iv_subreg, iv_extend): Express value of invariant purely in
12861         base field.
12862
12863 2004-08-06  Mark Mitchell  <mark@codesourcery.com>
12864
12865         * config/arm/symbian.h (CC1_SPEC): Add -fno-short-enums.
12866         (CC1PLUS_SPEC): Define it to be the same as CC1_SPEC.
12867
12868 2004-08-06  Roman Zippel  <zippel@linux-m68k.org>
12869
12870         * config/m68k/m68k.c (post_inc_operand,pre_dec_operand): New.
12871         * config/m68k/m68k.h (PREDICATE_CODES): add post_inc_operand,
12872         pre_dec_operand.
12873         * config/m68k/m68k.md (zero_extend*2): delay the splitting of the
12874         pattern until reload is finished to allow better code generation
12875         and split them completely into separate instrunctions.
12876         (*andsi3_split): New pattern.
12877
12878 2004-08-05  Mark Mitchell  <mark@codesourcery.com>
12879
12880         * tree.c (handle_dll_attribute): Move here from i383/winnt.c.
12881         Replace use of DECL_INLINE with DECL_DECLARED_INLINE_P.  Set
12882         DECL_VISIBLITY.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
12883         * tree.h (handle_dll_attribute): Declare.  Test
12884         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
12885         * c-common.h (c_determine_visibility): Declare.
12886         * c-common.c (c_determine_visibility): New function.
12887         * c-decl.c (finish_decl): Use it.
12888         (finish_function): Likewise.
12889         * defaults.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define it to
12890         zero, by default.  Use #if, not #ifdef, to test it.
12891         * config/arm/arm.c (arm_attribute_table): Use
12892         handle_dll_attribute.  Test TARGET_DLLIMPORT_DECL_ATTRIBUTES with
12893         #if.
12894         * config/arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define to 1.
12895         * config/i386/cygming.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
12896         to 1.
12897         * config/i386/i386-protos.h (ix86_handle_dll_attribute): Remove.
12898         * config/i386/i386.c (ix86_attribute_table): Use
12899         handle_dll_attribute for dllimport/dllexport.  Test
12900         TARGET_DLLIMPORT_DECL_ATTRIBUTES with #if.
12901         * config/i386/winnt.c (ix86_handle_dll_attribute): Remove.
12902         * config/mcore/mcore.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
12903         it to 1.
12904         * config/mcore/mcore.c (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Test it
12905         with #if.
12906         * config/sh/symbian-pre.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define
12907         it to 1.
12908         * doc/extend.texi (dllexport): Clarify and correct documentation.
12909         (dllimport): Likewise.
12910         * doc/tm.texi (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Mention
12911         handle_dll_attribute.
12912
12913 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12914
12915         * tree-ssa-loop-manip.c: New file.
12916         * Makefile.in (tree-ssa-loop-manip.o): Add.
12917         * tree-flow.h (rewrite_into_loop_closed_ssa, verify_loop_closed_ssa):
12918         Declare.
12919         * tree-ssa-loop.c (tree_loop_optimizer_init): Create loop closed ssa
12920         form.
12921         (tree_ssa_loop_done): Verify loop closed ssa form.
12922         * tree-ssa-loop-im.c (move_computations): Update loop closed ssa form.
12923
12924 2004-08-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12925
12926         * pa.c (pa_asm_output_aligned_bss, pa_asm_output_aligned_common,
12927         pa_asm_output_aligned_local): New functions.
12928         * pa-protos.h: Add prototypes for pa_asm_output_aligned_bss,
12929         pa_asm_output_aligned_common and pa_asm_output_aligned_local.
12930         * pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON): Use
12931         pa_asm_output_aligned_common.
12932         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
12933         * pa.h (ASM_OUTPUT_ALIGNED_BSS): New macro.
12934         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
12935         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
12936         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): New macro.
12937         (ASM_OUTPUT_ALIGNED_COMMON): Use pa_asm_output_aligned_common.
12938         (ASM_OUTPUT_ALIGNED_LOCAL): Use pa_asm_output_aligned_local.
12939         * som.h (MAX_OFILE_ALIGNMENT): Provide maximum alignment of global
12940         common data.
12941
12942 2004-08-05  Andrew Pinski  <apinski@apple.com>
12943
12944         * objc/objc-act.c (build_objc_string_object): Mark the address
12945         expression as constant.
12946
12947 2004-08-05  David Edelsohn  <edelsohn@gnu.org>
12948
12949         * config/rs6000/rs6000.c (rs6000_rtx_costs): Fix mask_operand
12950         and mask64_operand thinkos.  Handle ZERO_EXTRACT.  Handle
12951         SIGN_EXTEND / ZERO_EXTEND of MEM.  Handle rlwinm patterns.
12952
12953 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
12954
12955         * config/linux.h, config/i386/linux.h, config/sparc/linux.h:
12956         Remove definitions conditioned on USE_GNULIBC_1 or conditioned
12957         out, and associated obsolete comments.
12958
12959 2004-08-05  Nathan Sidwell  <nathan@codesourcery.com>
12960
12961         * tree.h (force_fit_type): Return a tree, take three flags.
12962         * fold-const.c (force_fit_type): Set TREE_OVERFLOW and
12963         TREE_CONSTANT_OVERFLOW here.
12964         (int_const_binop, const_binop): Adjust.
12965         (size_int_type): Do sign extension here.
12966         (fold_convert_const, optimize_bit_field_compare,
12967         decode_field_reference, all_ones_mask_p, fold_div_compare, fold,
12968         fold_negate_const, fold_abs_const, fold_not_const): Adjust.
12969         * tree.c (size_in_bytes, int_fits_type_p): Adjust.
12970
12971 2004-08-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
12972
12973         PR tree-optimization/16864
12974         * tree-tailcall.c (eliminate_tail_call): Do not create phi nodes
12975         for ssa names without default_def.
12976
12977 2004-08-05  Richard Sandiford  <rsandifo@redhat.com>
12978
12979         * config/i386/i386.c (ix86_expand_prologue): If the function uses a
12980         frame pointer, restore eax with an ebp-relative address.
12981
12982 2004-08-04  Geoffrey Keating  <geoffk@apple.com>
12983
12984         PR 14516
12985         * c-common.c (c_expand_decl): Don't special-case static VAR_DECLs.
12986         * c-common.h (make_rtl_for_local_static): Delete.
12987         * c-decl.c (shadow_tag_warned): Clean up comment.
12988         (finish_decl): Clean up spacing.  Use set_user_assembler_name when
12989         appropriate.  Don't pass asmspec to rest_of_decl_compilation.
12990         * c-semantics.c (make_rtl_for_local_static): Delete.
12991         * expr.c (init_block_move_fn): Use set_user_assembler_name.
12992         (init_block_clear_fn): Likewise.
12993         * passes.c (rest_of_decl_compilation): Remove asmspec parameter,
12994         expect it to be in DECL_ASSEMBLER_NAME.  Update callers in many files.
12995         * toplev.h (rest_of_decl_compilation): Remove asmspec parameter.
12996         * tree.h (make_decl_rtl): Remove second parameter.
12997         (set_user_assembler_name): New.
12998         * varasm.c (set_user_assembler_name): New.
12999         (make_decl_rtl): Remove second parameter.  Update callers in many
13000         files.
13001
13002 2004-08-05  Adam Nemet  <anemet@lnxw.com>
13003
13004         * config.gcc (case i[34567]86-*-lynxos*): Update to LynxOS 4.0.
13005         (case rs6000-*-lynxos*): Rename it to powerpc-*-lynxos*.  Update
13006         to LynxOS 4.0.
13007         * gthr-lynx.h: New file.
13008         * config/lynx-ng.h: Remove file.
13009         * config/lynx.h: Update to LynxOS 4.0.
13010         * config/t-lynx: New file.
13011         * config/i386/lynx-ng.h: Remove file.
13012         * config/i386/lynx.h: Update to LynxOS 4.0.
13013         * config/rs6000/lynxbase.h: Remove file.
13014         * config/rs6000/lynx.h: Update to LynxOS 4.0.
13015         * config/rs6000/t-lynx: New file.
13016         * doc/install.texi (Options specification): Remove reference to
13017         LynxOS from systems where --with-gnu-as makes a difference.
13018
13019 2004-08-05  Joseph S. Myers  <jsm@polyomino.org.uk>
13020
13021         * c-common.c (c_stddef_cpp_builtins): Define __INTMAX_TYPE__ and
13022         __UINTMAX_TYPE__.
13023         * c-cppbuiltin.c (builtin_define_stdint_macros): New.  Define
13024         __INTMAX_MAX__.
13025         (c_cpp_builtins): Call it.
13026         * doc/cpp.texi: Update.
13027
13028 2004-08-04  David Edelsohn  <edelsohn@gnu.org>
13029
13030         * config/rs6000/rs6000.c (rs6000_rtx_costs): LABEL_REFs are zero
13031         cost.
13032
13033 2004-08-04  Jan Hubicka  <jh@suse.cz>
13034
13035         * basic-block.h (profile_staus): New global variable.
13036         * cfg.c (profile_status): Declare.
13037         (check_bb_profile): Break out from ....; use profile_status
13038         (dump_flow_info): ... here.
13039         * cfgbuild.c (find_basic_blocks): Set profile_status.
13040         * cfgexpand.c (tree_expand_cfg): Likewise.
13041         * predict.c (estimate_probability): Likewise.
13042         * profile.c (branch_prob): Likewise.
13043         * tree-cfg.c (build_tree_cfg): Likewise.
13044         (dump_function_to_file): Use check_bb_profile.
13045         * tree-pretty-print (dump_bb_header): Likewise.
13046         * tree-profile.c (do_tree_profiling): Cleanup.
13047
13048 2004-08-04  Zack Weinberg  <zack@codesourcery.com>
13049
13050         * Makefile.in (RTL_BASE_H, RTL_H): Correct.
13051         (BUILD_RTL): Remove $(BUILD_PREFIX) from ggc-none.o.
13052         (genobjs): Add errors.o, ggc-none.o, and min-insn-modes.o.
13053         (read-rtl.o, gensupport.o, genconfig.o, genflags.o, gencodes.o)
13054         (genconstants.o, genemit.o, genopinit.o, genrecog.o, genextract.o)
13055         (genpeep.o, genattr.o, genattrtab.o, genautomata.o, genoutput.o)
13056         (genconditions.o): Depend on $(RTL_BASE_H) not $(RTL_H).
13057         (ggc-none.o, errors.o): Move rule to generators section;
13058         correct dependencies.
13059         (min-insn-modes.o): Move rule to generators section; remove
13060         unnecessary explicit command; correct dependencies.
13061         (print-rtl.o, print-rtl1.o): Correct dependencies.
13062         ($(BUILD_PREFIX_1)errors.o. $(BUILD_PREFIX_1)ggc-none.o): Delete rule.
13063         (mostlyclean): Update.
13064
13065         * errors.c: Include bconfig.h not config.h.  Correct comment.
13066         * gengtype.c, genpreds.c: Don't define NO_GENRTL_H.
13067         * ggc-none.c: Include bconfig.h; not config.h or tm.h.
13068         * print-rtl.c: Don't include tm_p.h.
13069
13070         * rtl.h: Move forward-decl of struct function down where it's
13071         needed.  Include genrtl.h #ifndef GENERATOR_FILE, not
13072         #ifndef NO_GENRTL_H.  Remove unnecessary #ifdef BUFSIZ statements.
13073
13074 2004-08-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13075             Jeff Law  <law@redhat.com>
13076
13077         * tree-cfg.c (tree_duplicate_bb): Mark duplicated definitions.
13078         * tree-flow.h (rewrite_ssa_into_ssa): Declaration changed.
13079         * tree-into-ssa.c (rewrite_ssa_into_ssa): Use new interface to
13080         manipulate the duplicated ssa names.
13081         * tree-ssanames.c (ssa_names_to_rewrite): New variable.
13082         (marked_for_rewrite_p, any_marked_for_rewrite_p, mark_for_rewrite,
13083         unmark_all_for_rewrite, marked_ssa_names, release_ssa_name_force):
13084         New functions.
13085         (release_ssa_name): Do not release ssa names that may have multiple
13086         definitions.
13087         * tree.h (release_ssa_name_force, mark_for_rewrite,
13088         unmark_all_for_rewrite, marked_for_rewrite_p, any_marked_for_rewrite_p,
13089         marked_ssa_names): Declare.
13090         * tree-ssa-loop-ch.c (mark_defs_for_rewrite): Remove.
13091         (duplicate_blocks): Remove call to mark_defs_for_rewrite.
13092         Update call to rewrite_ssa_into_ssa.
13093
13094 2004-08-04  Mark Mitchell  <mark@codesourcery.com>
13095
13096         * defaults.h (TARGET_DECLSPEC): New macro.
13097         * c-cppbuiltin.c (c_cpp_builtins): Handle TARGET_DECLSPEC.
13098         * config/arm/pe.h (SUBTARGET_CPP_SPEC): Remove __declspec support.
13099         * config/arm/symbian.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
13100         * config/i386/beof-elf.h (TARGET_OS_CPP_BUILTINS): Remove
13101         __declspec support.
13102         (TARGET_DECLSPEC): Define.
13103         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Remove
13104         __declspec support.
13105         * config/i386/i386-interix.h (TARGET_OS_CPP_BUILTINS): Remove
13106         __declspec support.
13107         (TARGET_DECLSPEC): Define.
13108         * config/mcore/mcore.h (TARGET_CPU_CPP_BUILTINS): Remove
13109         __declspec support.
13110         * config/sh/symbian-pre.h (SUBTARGET_CPP_SPEC): Remove __declspec
13111         support.
13112         * doc/tm.texi (TARGET_DECLSPEC): Document.
13113
13114         * doc/extend.texi: Fix typo in comment.
13115
13116 2004-08-04  Paul Brook  <paul@codesourcery.com>
13117
13118         * target-def.h (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
13119         (TARGET_CXX): Use it.
13120         * target.h (struct gcc_target): Add cdtor_returns_this.
13121         * config/arm/arm.c (arm_cxx_cdtor_returns_this): New function.
13122         (TARGET_CXX_CDTOR_RETURNS_THIS): Define.
13123         * doc/tm.texi: Document TARGET_CXX_CDTOR_RETURNS_THIS.
13124
13125 2004-08-03  Nathan Sidwell  <nathan@codesourcery.com>
13126
13127         * c-lex.c (narrowest_unsigned_type, narrowest_signed_type): Take
13128         low/high pair. Do range checking directly.
13129         (interpret_integer): Adjust.
13130
13131 2004-08-04  Nick Clifton  <nickc@redhat.com>
13132
13133         * config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
13134         GCC ABI.
13135         * doc/invoke.texi: Document this new switch and also the -mrenesas
13136         switch.
13137
13138 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
13139
13140         * cfglayout.c (insn_locators_initialize): Update the current
13141         location before initializing a location.
13142
13143 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13144
13145         * dbxout.c (dbxout_function_decl): Always call dbxout_function_end.
13146         (dbxout_function_end): Return after emitting the "Lscope" symbol
13147         under the same conditions that this function formerly wasn't called.
13148         Add explanatory comments.
13149
13150         PR 14860
13151         * c-decl.c (record_builtin_type): Call debug_hooks->type_decl
13152         on the new decl.
13153
13154         PR 13956
13155         * dbxout.c (dbx_output_lbrac, dbx_output_rbrac): New
13156         functions, broken out of dbxout_block.
13157         (dbxout_block): The block at depth 0 should get LBRAC/RBRAC
13158         stabs too, if it contains symbols.  Use the begin_label and
13159         the Lscope label (emitted by dbxout_function_end) for the
13160         range of this block.
13161
13162 2004-08-03  Nathanael Nerode  <neroden@gcc.gnu.org>
13163
13164         * doc/install.texi: Update autoconf version requirements.
13165
13166 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13167
13168         * defaults.h (LEGITIMATE_PIC_OPERAND_P): Provide default definition.
13169         * recog.c (general_operand, immediate_operand, nonmemory_operand)
13170         (asm_operand_ok): Remove #ifdefs on LEGITIMATE_PICOPERAND_P.
13171         * regclass.c (record_reg_classes): Likewise.
13172         * reload.c (find_reloads): Likewise.
13173         * reload1.c (reload): Likewise.
13174
13175 2004-08-03  Zack Weinberg  <zack@codesourcery.com>
13176
13177         * gensupport.c (init_md_reader_args_cb): Renamed from
13178         init_md_reader_args.  Add third option, callback function for
13179         parsing program-specific options.  Add diagnosis of incorrect
13180         number of input files.
13181         (init_md_reader): Fold into init_md_reader_args_cb.
13182         (init_md_reader_args): Now a thin wrapper around
13183         init_md_reader_args_cb.
13184         * gensupport.h: Update prototypes.
13185
13186         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13187         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13188         * genrecog.c: No need to diagnose lack of an input file;
13189         init_md_reader_args will handle it.
13190         * genconditions.c: Likewise, and use init_md_reader_args.
13191         * genconstants.c: Likewise, and no need to call read_md_rtx.
13192
13193 2004-08-03  Joseph S. Myers  <jsm@polyomino.org.uk>
13194
13195         * c-decl.c (implicitly_declare): Diagnose incompatible implicit
13196         declarations.
13197
13198 2004-08-03  Mike Stump  <mrs@apple.com>
13199
13200         * config/darwin-c.c: Don't search in "/Local/Library/Frameworks"
13201         for frameworks.
13202         * doc/invoke.texi (Darwin Options): Update to reflect above.
13203
13204 2004-08-03  Roger Sayle  <roger@eyesopen.com>
13205
13206         PR middle-end/16790
13207         * fold-const.c (extract_muldiv_1) <NOP_EXPR>: Disallow local
13208         truncations, not just global truncations.
13209
13210 2004-08-03  Andrew Pinski  <apinski@apple.com>
13211
13212         PR bootstrap/16865
13213         * loop-iv.c (simplify_using_assignment): Initialize lhs.
13214
13215 2004-08-03  Paul Brook  <paul@codesourcery.com>
13216
13217         * gcc/doc/install.texi: Document MPFR requirement.
13218
13219 2004-08-03  Maciej W. Rozycki  <macro@linux-mips.org>
13220
13221         * aclocal.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Check for <sys/mman.h>
13222         and mmap() explicitly instead of relying on preset autoconf cache
13223         variables.
13224         * configure: Regenerate.
13225
13226 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
13227
13228         PR target/16570
13229         * config.gcc (i[34567]86-*-* | x86_64-*-*): Add i386/t-gmm_malloc
13230         to tmake_file.
13231         (i[34567]86-*-linux*aout* | i[34567]86-*-linux*libc1): Likewise.
13232         (i[34567]86-*-linux* | x86_64-*-linux*): Add i386/t-pmm_malloc
13233         to tmake_file.
13234
13235         * config/i386/t-gmm_malloc: New file.
13236         * config/i386/t-pmm_malloc: Likewise.
13237
13238         * config/i386/xmmintrin.h: Include <mm_malloc.h>.
13239
13240 2004-08-03  H.J. Lu  <hongjiu.lu@intel.com>
13241             Tanguy Fautrà <tfautre@pandora.be>
13242
13243         * config/i386/pmm_malloc.h: New file.
13244
13245 2004-08-03  Danny Smith  <dannysmith@users.sourceforge.net>
13246
13247         * config/i386/gmm_malloc.h: New file.
13248
13249 2004-08-03  Dale Johannesen  <dalej@apple.com>
13250
13251         * config/rs6000/rs6000.c (machopic_output_stub):  Align Darwin stubs.
13252         * c-common.c: Include opts.h.
13253         (c_common_get_alias_set): Fix check for a single input file.
13254         * toplev.c: Remove current_file_decl.
13255         * tree.h: Ditto.
13256
13257 2004-08-03  Mark Mitchell  <mark@codesourcery.com>
13258
13259         * config.gcc (arm*-*-symbianelf*): New target.
13260         * config/arm/symbian.h: New file.
13261
13262         * gthr-gnat.c: Add visibility #pragmas.
13263         * gthr-gnat.h : Likewise.
13264         * gthr.h: Likewise.
13265         * libgcc2.c (__ffsSI2): Move prototype to libgcc2.h.
13266         (__ffsDI2): Likewise.
13267         (__clzSI2): Likewise.
13268         (__ctzSI2): Likewise.
13269         (__ctzDI2): Likewise.
13270         (__popcountSI2): Likewise.
13271         (__popcountDI2): Likewise.
13272         (__paritySI2): Likewise.
13273         (__parityDI2): Likewise.
13274         * libgcc2.h: Add visibility #pragmas.
13275         (__clzDI2): Add prototype.
13276         (__clzSI2): Likewise.
13277         (__ctzSI2): Likewise.
13278         (__ffsDI2): Likewise.
13279         (__ffsSI2): Likewise.
13280         (__ctzDI2): Likewise.
13281         (__popcountSI2): Likewise.
13282         (__popcountDI2): Likewise.
13283         (__paritySI2): Likewise.
13284         (__parityDI2): Likewise.
13285         * unwind-dw2-fde.h: Add visibility #pragmas.
13286         * unwind.h: Likewise.
13287
13288 2004-08-03  David Edelsohn  <edelsohn@gnu.org>
13289             Dale Johannesen  <dalej@apple.com>
13290             Roger Sayle  <roger@eyesopen.com>
13291
13292         * config/rs6000/rs6000.c (rs6000_rtx_costs): Calculate cost of
13293         constants more accurately.  Adjust costs for FMA instructions.
13294         Add cases for most logical and float operations.  Recurse into
13295         most operands.
13296
13297 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
13298
13299         * config.gcc (strongarm-*, xscale-*): Add t-arm to tmake_files.
13300
13301 2004-08-03  Pat Haugen  <pthaugen@us.ibm.com>
13302
13303         * ra-build.c (conflicts_between_webs): For webs that cross a call add
13304         conflicts to regs_invalidated_by_call.
13305
13306 2004-08-03  Paul Brook  <paul@codesourcery.com>
13307
13308         * config/arm/arm.c (emit_sfm): Only emit a single frame adjustment.
13309
13310 2004-08-03  Jan Hubicka  <jh@suse.cz>
13311
13312         * coverage.c (tree_coverage_counter_ref): Fix computation of the new
13313         ARRAY_REF argument.
13314
13315 2004-08-03  Richard Earnshaw  <rearnsha@arm.com>
13316
13317         * arm-cores.def: Sort by architecture.  Add arm946es, arm966es,
13318         arm968es, arm10e, arm1020e, arm1022e.
13319         * invoke.texi: Update list of ARM cores.
13320         * arm-tune.md: Regenerate.
13321
13322 2004-08-03  Richard Earnshaw <rearnsha@arm.com>
13323
13324         * arm/gentune.sh: New file.
13325         * arm/t-arm: New file.
13326         * arm/arm-tune.md: New file (autogenerated).
13327         * config.gcc (arm*-*-*): Add t-arm to tmake_file for all variants.
13328         * arm.md (attribute tune): Delete.  Include arm-tune.md.
13329
13330 2004-08-03  Paolo Bonzini <bonzini@gnu.org>
13331
13332         * gcc.c (add_prefix, add_sysrooted_prefix): Remove
13333         penultimate parameter.  All callers adjusted.
13334         (struct prefix_list): Remove used_flag_ptr.
13335         (find_a_file): Do not set *pl->used_flag_ptr.
13336         (warn_B, warn_std_ptr): Remove.
13337
13338 2004-08-03  Yossi Markovich <yossim@il.ibm.com>
13339             Mostafa Hagog <mustafa@il.ibm.com>
13340
13341         * config/rs6000/altivec.md (altivec_vnmsubfp): Fix wrong pattern.
13342
13343 2004-08-02  Geoffrey Keating  <geoffk@apple.com>
13344
13345         * dwarf2out.c (output_call_frame_info): Don't change data format
13346         due to TARGET_USES_WEAK_UNWIND_INFO.  Always refer to the local
13347         label.  Use 'true' not '1'.
13348         * doc/install.texi (powerpc-*-darwin*): Mention cctools version
13349         required.
13350
13351 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13352
13353         * gdbinit.in: Reflect previous changes to rtunion_def.
13354
13355 2004-08-02  Roger Sayle  <roger@eyesopen.com>
13356
13357         * fold-const.c (fold) <TRUNC_MOD_EXPR>: The transformation "X % -Y"
13358         -> "X % Y" is only valid for TRUNC_MOD_EXPR.
13359
13360 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13361
13362         * vec.h (DEF_VEC_P): Add proper cast to uses of vec_o_reserve and
13363         vec_p_reserve.
13364         * langhooks.h (lang_hooks::builtin_function): Rename parameter
13365         from "class" to "bt_class".
13366
13367 2004-08-02  Paul Brook  <paul@codesourcery.com>
13368
13369         PR rtl-optimization/15068
13370         * flow.c (init_propagate_block_info): Check condition is reversible.
13371
13372 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13373
13374         * gengtype.h (options::info): Change type to const char *.
13375         (enum gc_used_enum): Move out of struct type scope.
13376         * gengtype.c (create_option): Convert initializer for option::info to
13377         appropiate type.
13378         (adjust_field_type, walk_type, write_func_for_structure,
13379         write_root, write_roots): Remove pointless cast.
13380
13381 2004-08-02  J"orn Rennecke <joern.rennecke@superh.com>
13382
13383         * genopinit.c (gen_insn): Check for MODE_COMPLEX_FLOAT patterns for $F.
13384
13385 2004-08-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13386
13387         * rtl.h (union rtunion_def): Have all members  start with the
13388         prefix "rt_".
13389         (XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE, XBBDEF, XTMPL,
13390         X0INT, X0UINT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13391         X0MEMATTR, X0BBDEF, X0REGATTR, XCINT, XCUINT, XCSTR, XCEXP,
13392         XCVEC, XCMODE, XCBITMAP, XCTREE, XCBBDEF, XC2EXP): Adjust members
13393         access.
13394         * gengtype.c (adjust_field_rtx_def): Likewise.
13395         * rtlanal.c (loc_mentioned_in_p): Likewise.
13396
13397 2004-08-02  Richard Sandiford  <rsandifo@redhat.com>
13398
13399         * config.gcc (mips*-*-elf*, mips*-*-rtems*): Add elfos.h to tm_file.
13400         Replace uses of mips/elf64.h with mips/elf.h
13401         * config/mips/elf.h (MAX_OFILE_ALIGNMENT, TARGET_ASM_NAMED_SECTION)
13402         (TYPE_OPERAND_FMT, TYPE_ASM_OP, SIZE_ASM_OP, BSS_SECTION_ASM_OP)
13403         (ASM_OUTPUT_ALIGNED_BSS, ASM_WEAKEN_LABEL, ASM_OUTPUT_WEAK_ALIAS)
13404         (MAKE_DECL_ONE_ONLY, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP)
13405         (HANDLE_SYSV_PRAGMA): Delete.
13406         (ASM_OUTPUT_DEF): Fix formatting.
13407         * config/mips/elf64.h: Delete.
13408
13409 2004-08-01  Zack Weinberg  <zack@codesourcery.com>
13410
13411         * config/ia64/ia64.c (got_symbolic_operand): Do require a
13412         symbol+offset operand to have its offset be zero mod 0x3fff
13413         when GOT entries are in use.  Clarify logic in SYMBOL_REF
13414         case.  Clarify comments.
13415         (ia64_expand_load_address): Split a symbol+offset load when
13416         the offset is nonzero mod 0x3fff, not 0x1fff.
13417
13418 2004-08-01  Geoffrey Keating  <geoffk@apple.com>
13419
13420         * config/rs6000/rs6000.c (rs6000_split_multireg_move): Just abort
13421         if trying to *store* to a non-offsettable address.
13422         * config/rs6000/rs6000.md (movtf_internal): Don't move GPRs to
13423         a nonoffsettable address.
13424         (movdi_internal32): Don't move GPRs to a nonoffsettable address.
13425         Clean up.
13426         (movti_string): Don't move GPRs to a nonoffsettable address.
13427         (movti_ppc64): Don't move GPRs to a nonoffsettable address.  Clean up.
13428
13429 2004-08-02  Ben Elliston  <bje@au.ibm.com>
13430
13431         PR target/16155
13432         * config/rs6000/altivec.h: Replace typeof with __typeof__.
13433
13434 2004-08-01  Richard Henderson  <rth@redhat.com>
13435
13436         * expr.c (expand_expr_real_1) <normal_inner_ref>: Fix crash with
13437         variable sized types.
13438
13439 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
13440
13441         * doc/invoke.texi: In the MIPS options section, remove the passage
13442         saying that -mexplicit-relocs is usually disabled for -mabicalls
13443         -fno-unit-at-a-time.
13444         * config/mips/mips.c (override_options): Remove the code that enforced
13445         this rule.
13446
13447 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
13448
13449         * config/mips/mips.md (cprestore): Provide two alternatives, one for
13450         an in-range offset and one for an out-of-range offset.  Wrap the latter
13451         in .set macro/.set nomacro if it's inside a .set nomacro block.
13452
13453 2004-08-01  Richard Sandiford  <rsandifo@redhat.com>
13454
13455         * config/mips/mips-protos.h (mips_gp_save_slot): Remove.
13456         (mips_restore_gp): Declare.
13457         * config/mips/mips.c (mips_add_offset): Add a scratch register
13458         argument.  Reimplement in rtl only, reusing MIPS16 logic from
13459         mips_output_mi_thunk.
13460         (mips_legitimize_address, mips_legitimize_const_move): Adjust calls
13461         to mips_add_offset.
13462         (mips_gp_save_slot): Delete.
13463         (mips_restore_gp): New function.
13464         (mips_set_return_address, mips_output_mi_thunk): Use mips_add_offset.
13465         * config/mips/mips.md (exception_receiver): Turn into a
13466         define_insn_and_split.  Use mips_restore_gp to do the split.
13467         (call_internal, call_value_internal, call_value_multiple_internal): Use
13468         mips_restore_gp to restore $gp.
13469
13470 2004-07-31  Andrew Pinski  <apinski@apple.com>
13471
13472         PR other/16842
13473         * mkheaders.in (libsubdir): s/gcc-lib/gcc/.
13474
13475 2004-07-31  Joseph S. Myers  <jsm@polyomino.org.uk>
13476
13477         * c-decl.c (diagnose_mismatched_decls): Give error for external
13478         redeclaration of identifier declared with no linkage, not just
13479         warning with -Wtraditional.  Do not check DECL_CONTEXT to give
13480         error for redeclaration with no linkage.
13481
13482 2004-07-30  Geoffrey Keating  <geoffk@apple.com>
13483             Fariborz Jahanian <fjahanian@apple.com>
13484
13485         * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Permit
13486         non-offsettable addresses even for DImode.
13487         (rs6000_split_multireg_move): Cope with non-offsettable addresses
13488         being moved into multiple GPRs.
13489
13490         * config/rs6000/rs6000.c (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Default
13491         to 64.
13492         (rs6000_override_options): Use RS6000_DEFAULT_LONG_DOUBLE_SIZE.
13493         * config/rs6000/darwin.h (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define
13494         to 128.
13495         * config/rs6000/darwin-ldouble.c (isless): New macro.
13496         (inf): New macro.
13497         (nonfinite): New macro.
13498         (FPKINF): Delete.
13499         (_xlqadd): Completely rewrite.
13500         (_xlqmul): Correct overflow handling.
13501         (_xlqdiv): Correct overflow handling.
13502         * config/rs6000/darwin-ldouble-format: New file.
13503
13504 2004-07-30  Roger Sayle  <roger@eyesopen.com>
13505             Richard Henderson  <rth@redhat.com>
13506
13507         * config/i386/i386.md: New peephole2's to convert imul by 3, 5 or
13508         9 into the equivalent lea instruction.
13509
13510 2004-07-30  Richard Henderson  <rth@redhat.com>
13511
13512         * gimplify.c (gimplify_expr) <case CONST_DECL>: Don't replace
13513         with DECL_INITIAL if fb_lvalue.
13514         * tree-gimple.c (is_gimple_id): Add CONST_DECL.
13515         * tree-pretty-print.c (dump_decl_name): Dump unnamed CONST_DECL
13516         with <Cxxx>.
13517         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Fold CONST_DECL.
13518
13519 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
13520
13521         * tree-ssa-alias.c (compute_points_to_and_addr_escape): If a
13522         pointer escapes through a function call, assume that the
13523         callee will dereference it.
13524         (add_pointed_to_var): Assume that VALUE is always an
13525         ADDR_EXPR.
13526         (collect_points_to_info_r): Only call add_pointed_to_var if
13527         the value is an ADDR_EXPR.
13528
13529 2004-07-30  Diego Novillo  <dnovillo@redhat.com>
13530
13531         * tree-ssa-alias.c (create_alias_map_for): Do not get the
13532         alias set of the inner type of ARRAY_TYPEs.
13533
13534 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
13535
13536         * tree-ssa-ccp.c (visit_assignment): Move code to prevent
13537         setting a non-register to UNDEFINED right before the call to
13538         set_lattice_value.
13539
13540 2004-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
13541
13542         * config/sh/lib1funcs.asm: Make aliases movstr* for movmem*.
13543
13544 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
13545
13546         * tree-ssa.c (verify_flow_sensitive_alias_info): When
13547         comparing points-to sets of different pointers, make sure the
13548         second pointer is actually referenced in the code.
13549
13550 2004-07-29  Zack Weinberg  <zack@codesourcery.com>
13551
13552         * config/ia64/ia64.c (setjmp_operand): Delete, unused.
13553         (got_symbolic_operand): Remove unreachable code.
13554         * config/ia64/ia64.h (PREDICATE_CODES): Remove entry for
13555         setjmp_operand; add entry for tls_symbolic_operand.
13556         * config/ia64/ia64-protos.h: Remove all prototypes of
13557         predicate functions.
13558
13559 2004-07-29  Mark Mitchell  <mark@codesourcery.com>
13560
13561         * c-common.h (lang_post_pch_load): New variable.
13562         * c-pch.c (lang_post_pch_load): Define it.
13563         (c_common_read_pch): Use it.
13564         * cgraphunit.c (record_call_1): Give the front end a chance to
13565         record additional needed entities when a variable is marked as
13566         needed.
13567         * tlink.c (recompile_files): Robustify.
13568         (scan_linker_output): If a symbol is assigned to a file,
13569         but after recompilation is not present there, issue an error
13570         message.
13571
13572 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13573
13574         * tree-ssa-loop-im.c (force_move_till_expr, force_move_till):
13575         Take orig_loop argument and pass it to set_level.
13576         (schedule_sm): Pass the correct orig_loop to force_move_till.
13577
13578 2004-07-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
13579
13580         * cfgloop.c (update_latch_info): Update dominator of the new block.
13581         (canonicalize_loop_headers, flow_loops_find): Do not free dominance
13582         info.
13583         * dominance.c (verify_dominators): Check that the dominance tree is
13584         connected.
13585         (recount_dominator): Ignore unreachable blocks.
13586         (iterate_fix_dominators): Cleanup old dominance information before
13587         recomputing it.
13588
13589 2004-07-29  Diego Novillo  <dnovillo@redhat.com>
13590
13591         * tree-ssa-operands.c (get_expr_operands): Revert changes
13592         to ADDR_EXPR processing introduced by:
13593             2004-06-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13594             * tree-ssa-operands.c (get_expr_operands): Minor rearrangements.
13595
13596 2004-07-29  Joseph S. Myers  <jsm@polyomino.org.uk>
13597
13598         * doc/implement-c.texi: Add C90 subclause references.  Point to
13599         preprocessor documentation instead of duplicating it.  Add points
13600         only present in C90.  Fill in documentation for all points.
13601
13602 2004-07-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13603
13604         * pa.c (output_movb): Correct typo.
13605
13606 2004-07-29  Pat Haugen  <pthaugen@us.ibm.com>
13607
13608         * ra.h (single_reg_in_regclass): Declare.
13609         * ra.c (single_reg_in_regclass): Define.
13610         (first_hard_reg): New.
13611         (init_ra): Initialize single_reg_in_regclass.
13612         * ra-colorize.c (ok_class): New.
13613         (coalesce, aggressive_coalesce, extended_coalesce_2): Use it.
13614
13615 2004-07-29  Nathan Sidwell  <nathan@codesourcery.com>
13616
13617         * gcov-io.h: Allow zero tag as EOF indicator.
13618         (gcov_is_eof): Remove.
13619         (gcov_truncate): Remove.
13620         * gcov-io.c (gcov_seek): Always SEEK_SET.
13621         * libgcov.c (gcov_exit): Don't use gcov_truncate.  Write explicit
13622         EOF tag.
13623         * coverage.c (read_counts_file): Don't use gcov_is_eof.
13624         * gcov-dump.c (dump_file): Likewise.
13625         * gcov.c (read_graph_file, read_count_file): Likewise.
13626
13627         * c-decl.c (complete_array_type): Don't gratuitously copy
13628         maxindex.  Check it always has a type.
13629
13630 2004-07-29  Steven Bosscher  <stevenb@suse.de>
13631
13632         * rtl.c (currently_expanding_to_rtl): New.
13633         * rtl.h (currently_expanding_to_rtl): Export it.
13634         * cfgexpand.c (tree_cfg_expand): Set/clear it at entry/exit.
13635
13636         * config/alpha/alpha.c (alpha_expand_mov): Remove old RTL
13637         inliner hack.
13638         * config/sh/sh.c: Replace rtx_equal_function_value_matters
13639         with currently_expanding_to_rtl.
13640         * config/sh/sh.md: Likewise.
13641         * config/ia64/ia64.c (got_symbolic_operand): Likewise.
13642
13643 2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
13644
13645         Introduce sh2a support.
13646         2004-07-29  Alexandre Oliva  <aoliva@redhat.com>
13647         * config.gcc: Build multilibs for sh2a and sh2a-single by
13648         default.
13649         * config/sh/sh.h (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Define by
13650         default.  Split their tests out of the corresponding SH4
13651         multilibs.
13652         * config/sh/t-sh (MULTILIB_MATCHES): Don't ever use SH4 or SH4a
13653         multilibs for SH2a.
13654         2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
13655         * config.gcc: Handle sh2a multilibs and cpu selection.
13656         * config/sh/sh.h: Likewise.  Handle sh2a command line flags.
13657         * config/sh/t-mlib-sh2a: New.
13658         * config/sh/t-mlib-sh2a-nofpu: New.
13659         * config/sh/t-mlib-sh2a-single: New.
13660         * config/sh/t-mlib-sh2a-single-only: New.
13661         2004-07-09  Nick Clifton  <nickc@redhat.com>
13662         Issue 43400
13663         * config/sh/sh.h (DRIVER_SELF_SPECS): Issue an error message if
13664         -ml and -m2a are used together.
13665         2004-03-23  DJ Delorie  <dj@redhat.com>
13666         * config/sh/sh.c (sh_builtin_saveregs): Use the double code only
13667         when we have a double-sized FPU.
13668         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
13669         * config/sh/lib1funcs.asm (set_fpscr): Don't build if __SH2A_NOFPU__
13670         is set.
13671         * config/sh/elf.h (SUBTARGET_ASM_ISA_SPEC): Add cases for -msh2a-nofpu,
13672         -msh2a-single and -msh2a-single-only
13673         2004-02-24  Corinna Vinschen <vinschen@redhat.com>
13674         * config/sh/crt1.asm: Don't generate FPU instructions if __SH2A_NOFPU__
13675         is set.
13676         2004-02-20  DJ Delorie  <dj@delorie.com>
13677         * config/sh/sh.md (movsf_i, movsf_ie, movsf, ble, bge): Disable for sh2a-nofpu.
13678         2004-02-20  Fred Fish <fnf@redhat.com>,
13679         Corinna Vinschen <vinschen@redhat.com>
13680         * config/sh/t-sh (MULTILIB_OPTIONS): Add 2a-nofpu.
13681         (MULTILIB_EXCEPTIONS): Don't build littel-endian on sh2a.
13682         2004-02-18  DJ Delorie  <dj@redhat.com>
13683         * config/sh/sh.c (broken_move): Add support for movi20.
13684         * config/sh/sh.h: Likewise.
13685         (SHIFT_COUNT_TRUNCATED): Set for sh2a.
13686         * config/sh/sh.md (udivsi3_sh2a): New.
13687         (udivsi3): Call it.
13688         (divsi3_sh2a): New.
13689         (divsi3): Call it.
13690         (mul_r): New.
13691         (ashlsi3_sh2a): New.
13692         (ashrsi3_sh2a): New.
13693         (lshrsi3_sh2a): New.
13694         (movsi_i): Disable for sh2a.
13695         (movsi_ie): Add movi20.
13696         (movsf_i, movsf_ie, movsf, ble, untyped_call): Explicitly enable
13697         sh2a, for -m2a-nofpu mode.
13698         2004-02-13  DJ Delorie  <dj@redhat.com>
13699         * config/sh/lib1funcs.asm: Handle double vs single better.
13700         * config/sh/sh.h: Likewise.
13701         2004-02-09  DJ Delorie  <dj@redhat.com>
13702         * config/sh/crt1.asm: Add support for sh2a.
13703         * config/sh/elf.h: Likewise.
13704         * config/sh/lib1funcs.asm: Likewise.
13705         * config/sh/sh.c: Likewise.
13706         * config/sh/sh.md: Likewise.
13707         * config/sh/sh.h: Likewise.
13708         * config/sh/t-sh: Likewise.
13709
13710 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
13711
13712         * config/frv/frv.md (movqi_internal, movhi_internal,
13713         movsi_internal): Add backup alternatives for memory inputs.
13714
13715 2004-07-28  Matt Austern  <austern@apple.com>
13716
13717         * config/darwin.c (darwin_one_byte_bool): New global variable.
13718         * config/darwin.h (darwin_one_byte_bool): Declare.
13719         (SUBTARGET_OPTIONS): Define macro.  (for -mone-byte-bool flag.)
13720         * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Conditionalize on
13721         value of darwin_one_byte_bool.
13722         * doc/invoke.texi: Document -mone-byte-bool flag.
13723
13724 2004-07-28  Eric Christopher  <echristo@redhat.com>
13725
13726         * c-common.c (c_common_unsafe_for_reeval): Delete.
13727         * c-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete use.
13728         * c-pretty-print.c (pp_c_expression): Delete UNSAVE_EXPR case.
13729         * calls.c (fix_unsafe_tree): Delete.
13730         (expand_call): Delete code which used above.
13731         * dojump.c (do_jump): Delete UNSAVE_EXPR case.
13732         * expr.c (expand_expr_real_1): Ditto.
13733         * fold-const.c (non_lvalue): Ditto.
13734         * langhooks-def.h (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
13735         (lhd_unsafe_for_reeval): Ditto.
13736         * langhooks.c (lhd_unsafe_for_reeval): Ditto.
13737         * langhooks.h (unsafe_for_reeval): Ditto.
13738         (unsave_expr_now): Adjust comment.
13739         * tree-inline.c (copy_body_r): Delete UNSAVE_EXPR bits.
13740         (estimate_num_insns_1): Ditto.
13741         * tree-pretty-print.c (dump_generic_node): Ditto.
13742         * tree.c (expr_align): Ditto.
13743         (unsave_expr): Delete.
13744         (unsafe_for_reeval): Ditto.
13745         * tree.h (unsafe_for_reeval, unsave_expr): Ditto.
13746         * tree.def (UNSAVE_EXPR): Delete.
13747         * objc/objc-lang.c (LANG_HOOKS_UNSAFE_FOR_REEVAL): Delete.
13748
13749 2004-07-28  Zack Weinberg  <zack@codesourcery.com>
13750
13751         * tree.h (enum tls_model): Move ...
13752         * coretypes.h: ... here.
13753
13754 2004-07-28  Richard Sandiford <rsandifo@redhat.com>
13755
13756         * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.
13757
13758 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
13759
13760         * cse.c (validate_canon_reg): New function, split out from...
13761         (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.
13762
13763 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
13764
13765         * tree-ssa-alias.c (maybe_create_global_var): Don't just
13766         return if .GLOBAL_VAR has been created.
13767
13768 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
13769
13770         * tree-ssa.c (verify_flow_insensitive_alias_info): Process
13771         every variable that may have aliases, not just tags.
13772
13773 2004-07-28  Aldy Hernandez  <aldyh@redhat.com>
13774
13775         * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
13776         move_from_CR_eq_bit.
13777         Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.
13778
13779
13780         * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
13781         e500_flip_eq_bit.
13782
13783         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
13784         output_e500_flip_eq_bit.
13785
13786         * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
13787         output_e500_flip_eq_bit.
13788         (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
13789         output_e500_flip_eq_bit.
13790         Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
13791         (print_operand): case D.  Get to EQ bit.
13792
13793 2004-07-28  Richard Sandiford  <rsandifo@redhat.com>
13794
13795         * gcov.c (function_summary): Add missing \n.
13796
13797 2004-07-28  Alexandre Oliva  <aoliva@redhat.com>
13798
13799         Introduce sh4a support.
13800         * config.gcc: Handle sh4a multilibs and cpu selection.
13801         * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
13802         * config/sh/t-mlib-sh4a: New.
13803         * config/sh/t-mlib-sh4al: New.
13804         * config/sh/t-mlib-sh4a-nofpu: New.
13805         * config/sh/t-mlib-sh4a-single: New.
13806         * config/sh/t-mlib-sh4a-single-only: New.
13807         2004-02-20  DJ Delorie  <dj@redhat.com>
13808         * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
13809         * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
13810         2003-08-22  Eric Christopher  <echristo@redhat.com>
13811         * config/sh/sh4a.md: Update for chip errata.
13812         2003-08-07  Eric Christopher  <echristo@redhat.com>
13813         * config/sh/sh4a.md: New file. sh4a processor description.
13814         2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
13815         * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
13816         of -m4a-nofpu.
13817         (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
13818         * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
13819         * doc/invoke.texi (SH Options): Document -m4al.
13820         2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
13821         * config/sh/sh.c (expand_block_move): Remove commented-out code
13822         checked in by mistake.
13823         (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
13824         single elements from SFmode vectors.
13825         * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
13826         register.
13827         (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
13828         2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
13829         * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
13830         sh_fsca_int2sf): Remove variable declarations.
13831         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
13832         sh_fsca_int2sf): New functions.
13833         (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
13834         sh_fsca_int2sf_rtx): New static variables.
13835         * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
13836         sh_fsca_int2sf): Declare.
13837         * config/sh/sh.md: Adjust.
13838         * doc/invoke.texi (SH Options): Document new options.
13839         * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
13840         compatibility from SH4 code.
13841         2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
13842         * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
13843         early.
13844         (memory_movsrc_operand): Renamed to...
13845         (unaligned_load_operand): ... this.  Simplified.
13846         * config/sh/sh.h (PREDICATE_CODES): Adjust.
13847         * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
13848         input operand to SImode, and adjust the others.  Introduce
13849         post-increment by peephole.
13850         * config/sh/sh.c (expand_block_move): Give the target address the
13851         same mode as the temp reg.
13852         * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
13853         copying.
13854         2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
13855         Introduce support for SH4a.
13856         * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
13857         __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
13858         * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
13859         sh_fsca_int2sf): New.
13860         (sh_init_builtins): Initialize them.
13861         (print_operand): Support `d'.
13862         (expand_block_move): Use movua if src is misaligned.
13863         (memory_movsrc_operand): New.
13864         * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
13865         and one of the SH4 macros.
13866         (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
13867         SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
13868         SELECT_SH4A_SINGLE): New.
13869         (TARGET_NONE): Add SH4A_BIT.
13870         (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
13871         (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
13872         (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
13873         (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
13874         (enum processor_type): Added PROCESSOR_SH4A.
13875         (PREDICATE_CODES): Add memory_movsrc_operand.
13876         * config/sh/sh.md: Removed unused variables.
13877         (attr cpu): Add sh4a.
13878         (attr type): Add movua, fsrra and fsca.
13879         (prefetch): New, for SH4.
13880         (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
13881         (toggle_sz): Set type to fp.
13882         (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
13883         (movua, extv, extzv): New.
13884         * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
13885         and 4a-single-only.
13886
13887 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
13888
13889         * tree-optimize.c (init_tree_optimization_passes): Schedule
13890         pass_may_alias right after the program is renamed into SSA.
13891         * tree-pass.h (PROP_alias): Define.
13892         * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
13893         * tree-sra.c (pass_sra): Likewise.
13894         * tree-ssa-ccp.c (pass_ccp): Likewise.
13895         * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
13896         * tree-ssa-dce.c (pass_dce): Likewise.
13897         * tree-ssa-dom.c (pass_dominator): Likewise.
13898         * tree-ssa-dse.c (pass_dse): Likewise.
13899         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
13900         * tree-ssa-loop-ch.c (pass_ch): Likewise.
13901         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
13902         * tree-ssa-pre.c (pass_pre): Likewise.
13903         * tree-tailcall.c (pass_tail_recursion): Likewise.
13904         * tree-ssa.c (pass_redundant_phi): Likewise.
13905         * tree-ssa-alias.c (aliases_computed_p): Remove.
13906         Update all users.
13907         (init_alias_info): Do not mark all type tags for renaming
13908         unconditionally.
13909         Clear may_aliases from every symbol.
13910         (setup_pointers_and_addressables): If a pointer has not been
13911         dereferenced and it had a type tag, clear it and mark the old
13912         tag for renaming.
13913
13914 2004-07-28  Diego Novillo  <dnovillo@redhat.com>
13915
13916         PR tree-optimization/16705
13917         * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
13918         .GLOBAL_VAR.
13919
13920 2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13921
13922         * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
13923         check.
13924
13925         * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
13926         don't make another one.
13927
13928         PR optimization/15077
13929         * function.h (struct function): Add field saved_static_chain_decl.
13930         Fix comment for static_chain_decl.
13931         * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
13932         * tree-inline.h (save_body): Add new arg.
13933         * tree-optimize.c (tree_rest_of_compilation): Handle saving
13934         static_chain_decl.
13935
13936 2004-07-27  Richard Henderson  <rth@redhat.com>
13937
13938         * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
13939         (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
13940         is_gimple_addressable.
13941         * tree-gimple.c (is_gimple_addressable): Rename from
13942         is_gimple_addr_expr_arg; accept INDIRECT_REF.
13943         (is_gimple_lvalue): Don't test INDIRECT_REF directly.
13944         * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
13945         rename to is_gimple_addressable.
13946
13947 2004-07-28  Alan Modra  <amodra@bigpond.net.au>
13948
13949         * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.
13950
13951 2004-07-27  Richard Henderson  <rth@redhat.com>
13952
13953         * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
13954         before rounding.
13955
13956 2004-07-27  Zack Weinberg  <zack@codesourcery.com>
13957
13958         * libgcc2.c: Change all conditionals testing
13959         LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
13960         * libgcc2.h: Likewise.
13961         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
13962         TYPE_PRECISION of float80_type to 80.
13963         * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
13964         of fpreg_type and float80_type to 80.
13965         * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
13966         * config/m68k/netbsd-elf.h:
13967         Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
13968         to evaluate to 80 whenever they would formerly have evaluated to 96.
13969         * config/i386/sco5.h: Remove unnecessary redefinition of
13970         LONG_DOUBLE_TYPE_SIZE.
13971         * doc/rtl.texi: Clarify uses of XFmode and TFmode.
13972         * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
13973         XFmode, with a bitsize of 80.  Update commentary.
13974         * config/ia64/ia64-modes.def: Likewise.
13975         * config/m68k/m68k-modes.def: Likewise.
13976
13977 2004-07-27  Steven Bosscher  <stevenb@suse.de>
13978
13979         * cfgexpand.c (tree_expand_cfg): Fix comment.
13980
13981         * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
13982         * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
13983         Remove.
13984         (prepare_function_start): Don't set rtx_equal_function_value_matters.
13985         * integrate.c (copy_rtx_and_substitute): Don't test for it.
13986         * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
13987         Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
13988         here again.  Update leading comment.
13989         * rtl.c (rtx_equal_function_value_matters): Remove.
13990         (rtx_equal_p): Don't test for it.
13991         * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
13992         Likewise.
13993
13994         * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
13995         * rtl.c (note_insn_name): Likewise.
13996         * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
13997         * final.c (final_scan_insn): Likewise.
13998
13999         * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
14000         * passes.c (rest_of_handle_eh): Do it here.
14001
14002         * stmt.c (struct nesting): Remove struct nesting block member.
14003         (struct stmt_status): Remove x_block_start_count field.
14004         (current_block_start_count): Remove.
14005
14006 2004-07-27  Brian Booth  <bbooth@redhat.com>
14007
14008         * tree-optimize.c (register_one_dump_file): Update condition that uses
14009         static_pass_number.
14010         (dup_pass_1): Replace with...
14011         (next_pass_1): This.
14012         (NEXT_PASS): Call next_pass_1.
14013         (DUP_PASS): Remove.
14014         (init_tree_optimization_passes): Remove uses of DUP_PASS.
14015         (execute_one_pass): Update condition that uses
14016         static_pass_number.
14017         * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
14018         integer.
14019
14020 2004-07-27  Nick Clifton  <nickc@redhat.com>
14021
14022         * config/m32r/m32r.c: Include integrate.h in order to get the
14023         prototype for get_hard_reg_initial_val().
14024
14025         * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
14026         and tidy up indentation.
14027         (final_presence_set): Use absence_set instead, so that if there is
14028         nothing in the "o" pipe the "s" pipe can be scheduled.
14029
14030 2004-07-27  Diego Novillo  <dnovillo@redhat.com>
14031
14032         * tree-ssa-alias.c (create_name_tags): Ignore pointers that
14033         don't have PT_VARS nor PT_MALLOC set.
14034         Clear name tag from pointers that have not been dereferenced.
14035         (set_pt_anything, set_pt_malloc): Forward declare.
14036         * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
14037         not type compatibility when determining if a pointer can be
14038         copy propagated.
14039
14040 2004-07-27  Richard Sandiford  <rsandifo@redhat.com>
14041
14042         * expr.h (canonicalize_condition, get_condition): Add an int argument.
14043         * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
14044         it to check whether the condition is still valid at the jump insn.
14045         * ifcvt.c (noce_get_condition): Likewise.
14046         (noce_get_alt_condition): Update call to canonicalize_condition.
14047         * loop-iv.c (simplify_using_initial_values): Update call to
14048         get_condition.  Remove FIXME.
14049         (check_simple_exit): Update call to get_condition.
14050         * loop-unswitch.c (may_unswitch_on): Likewise.
14051         * loop.c (check_dbra_loop): Likewise.
14052         (canonicalize_condition, get_condition): Add an argument to say whether
14053         the condition must still be valid at INSN.
14054         (get_condition_for_loop): Update call to get_condition.  Require that
14055         the condition be valid at INSN.
14056         * predict.c (estimate_probability): Update call to get_condition.
14057         Remove unused earliest parameter.
14058         (expected_value_to_br_prob): Update call to canonicalize_condition.
14059
14060 2004-07-26  Eric Christopher  <echristo@redhat.com>
14061
14062         * tree-dfa.c (add_referenced_var): Register initializers of global
14063         variables.
14064
14065 2004-07-26  Paolo Bonzini  <bonzini@gnu.org>
14066
14067         * config/i386/i386.c (function_arg): Always treat 8-
14068         and 16-byte wide vectors the same, even if MMX/SSE
14069         are disabled.
14070         (contains_128bit_aligned_vector_p): Add comment.
14071
14072 2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>
14073
14074         * ra.h (enum node_type): Rename to:
14075         (enum ra_node_type).
14076         * ra-colorize.c: Likewise.
14077
14078 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
14079
14080         * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
14081         after simplifying the jump.
14082
14083 2004-06-26  Richard Henderson  <rth@redhat.com>
14084
14085         * calls.c (combine_pending_stack_adjustment_and_call): Make
14086         preferred_unit_stack_boundary argument unsigned.  Make
14087         unadjusted_alignment unsigned.
14088         (expand_call): Make preferred_stack_boundary and
14089         preferred_unit_stack_boundary variables unsigned.
14090         * function.c (assign_stack_local_1): Make alignment unsigned.
14091         * function.h (struct function): Make stack_alignment_needed,
14092         preferred_stack_boundary unsigned.
14093         * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
14094         (ix86_compute_frame_layout): Make stack_alignment_needed,
14095         preferred_alignment variables unsigned.
14096         * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.
14097
14098 2004-07-26  Tom Tromey  <tromey@redhat.com>
14099
14100         * tree.h: Fix typo in comment.
14101
14102 2004-07-26  Daniel Jacobowitz  <dan@debian.org>
14103
14104         PR bootstrap/12804
14105         * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
14106         (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
14107         (ggc_free): Remove incorrect freeing.
14108         (sweep_pages): Advance PP for large pages.  Fix indentation.
14109
14110 2004-07-26  Richard Sandiford  <rsandifo@redhat.com>
14111
14112         PR rtl-optimization/16643
14113         * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
14114         * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
14115         * basic-block.h (reorder_basic_blocks): Add a flags parameter.
14116         * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
14117         (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
14118         * function.c (thread_prologue_and_epilogue_insns): Likewise.
14119         * rtl.h (tracer): Add a flags parameter.
14120         * tracer.c (tracer): Pass it to cfg_layout_initialise.
14121         * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
14122         (rest_of_handle_reorder_blocks): Update calls to tracer and
14123         reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
14124         (rest_of_handle_tracer): Pass 0 to tracer.
14125         (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.
14126
14127 2004-07-25  David Edelsohn  <edelsohn@gnu.org>
14128
14129         PR target/16239
14130         * config/rs6000/rs6000.md (movdi_internal64): Further disparage
14131         f->f.
14132
14133 2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>
14134
14135         * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
14136         (BINFO_BASE_ACCESS): Adjust.
14137         (BINFO_BASE_ACCESS_APPEND): New.
14138         (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
14139         * dbxout.c (dbxout_type): Adjust binfo access accessing.
14140         * dwarf2out.c (gen_member_die): Likewise.
14141         * tree-dump.c (deque_and_dump): Likewise.
14142
14143 2004-07-26  Falk Hueffner  <falk@debian.org>
14144
14145         * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
14146         costs.
14147
14148 2004-07-25  Roger Sayle  <roger@eyesopen.com>
14149
14150         * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
14151         value off of the stack if TARGET_USE_FFREEP.
14152
14153 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14154
14155         * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
14156         * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
14157         * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
14158         check on invocation of XRESIZEVEC ().
14159
14160 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14161
14162         * c-common.c (disable_builtin_function): Rename variable n to
14163         new_disabled_builtin.
14164         * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
14165         Rename local variable old to old_decl.
14166         * gensupport.c (shift_output_template): Rename parameter old to src.
14167         * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
14168         old_rtx and newx to new_rtx.
14169
14170 2004-07-26  Bernardo Innocenti  <bernie@develer.com>
14171
14172         * Makefile.in (C_PRAGMA_H): New variable to track dependencies
14173         of c-pragma.h.
14174         * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
14175         enum cpp_ttype.
14176         * c-lex.c: Likewise.
14177
14178 2004-07-25  Roger Sayle  <roger@eyesopen.com>
14179
14180         * fold-const.c (constant_boolean_node): Make extern.
14181         (make_range): Wrap long lines.
14182         (fold_cond_expr_with_comparison): Remove unnecessary call to
14183         pedantic_non_lvalue.  Add missing calls to fold_convert.
14184         (fold_truthop): Add missing calls to fold_convert.
14185         (fold): Likewise.
14186         * tree.h (constant_boolean_node): Add prototype here.
14187         * builtins.c (expand_builtin_strncmp): Add missing calls to
14188         fold_convert.
14189         * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
14190         Call fold_convert and constant_boolean_node to correct types.
14191         * tree-ssa-forwprop.c (substitute_single_use_vars): Add
14192         missing call to fold_convert to correct types.
14193
14194 2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
14195             Brian Ryner  <bryner@brianryner.com>
14196
14197         PR c++/9283
14198         PR c++/15000
14199         * c-common.c (c_common_attribute_table): Allow
14200         handle_visibility_attribute to be called for types.
14201         (handle_visibility_attribute) When given a type, set the visibility
14202         bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
14203         so that we can check later whether the attribute was present. Added
14204         warning if attribute applied to non class type.
14205         * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
14206         decls and checking that they are consistent.
14207         * common.opt: Added -fvisibility.
14208         * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
14209         * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
14210         * flags.h, tree.h: Added assorted support defines for overall patch
14211         * opts.c: Added parsing support for -fvisibility.
14212         * tree.c (build_decl): Set visibility for all decls to be whatever
14213         is in force at that time.
14214         * varasm.c (default_binds_local_p_1): Reworked logic determining
14215         when to make a symbol locally bound.
14216         * doc/invoke.texi: Added documentation for -fvisibility and
14217         -fvisibility-inlines-hidden.
14218
14219 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14220
14221         * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
14222         * c-common.c: Add missing casts from void * to other types.
14223         * c-decl.c: Likewise.
14224         * c-format.c: Likewise.
14225         * c-lex.c: Likewise.
14226         * c-pragma.c: Likewise.
14227         * c-typeck.c: Likewise.
14228         * defaults.h: Likewise.
14229         * genconstants.c: Likewise.
14230         * gengtype-lex.l: Likewise.
14231         * genmodes.c: Likewise.
14232         * read-rtl.c: Likewise.
14233         * rtl.c: Likewise.
14234
14235 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14236
14237         * bitmap.c: Use type-safe memory allocation macros from libiberty.
14238         * c-common.c: Likewise.
14239         * c-decl.c: Likewise.
14240         * c-lang.c: Likewise.
14241         * c-lex.c: Likewise.
14242         * c-opts.c: Likewise.
14243         * c-parse.in: Likewise.
14244         * c-typeck.c: Likewise.
14245         * genconditions.c: Likewise.
14246         * gengtype-lex.l: Likewise.
14247         * gengtype-yacc.y: Likewise.
14248         * gengtype.c: Likewise.
14249         * genmodes.c: Likewise.
14250         * gensupport.c: Likewise.
14251         * read-rtl.c: Likewise.
14252         * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
14253         htab_find_slot().
14254
14255 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14256
14257         * c-decl.c (groktypename, groktypename_in_param_context): Rename
14258         variable typename to type_name.
14259         * c-lex.c (interpret_float): Likewise.
14260
14261 2004-07-25  Roger Sayle  <roger@eyesopen.com>
14262
14263         * convert.c (convert_to_real, convert_to_integer,
14264         convert_to_complex): Replace calls to build with calls to buildN.
14265         * coverage.c (tree_coverage_counter_ref): Likewise.
14266         * dojump.c (do_jump): Likewise.
14267         * dwarf2out.c (loc_descriptor_from_tree): Likewise.
14268         * emit-rtl.c (component_ref_for_mem_expr,
14269         set_mem_attributes_minus_bitpos): Likewise.
14270         * explow.c (update_nonlocal_goto_save_area): Likewise.
14271         * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
14272         expand_mult_add): Likewise.
14273         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
14274         store_constructor, get_inner_reference, expand_expr_real_1,
14275         try_casesi, try_tablejump): Likewise.
14276         * function.c (expand_function_start): Likewise.
14277         * stmt.c (emit_case_bit_tests, expand_end_case_type,
14278         node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
14279         * stor-layout.c (place_union_field, layout_type): Likewise.
14280         * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
14281         * varasm.c (copy_constant): Likewise.
14282
14283 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14284
14285         * c-common.c: Rename all identifiers named `new'.
14286         * c-decl.c: Likewise.
14287         * gensupport.c: Likewise.
14288         * simplify-rtx.c: Likewise.
14289         * c-common.c (disable_builtin_function): Replace a call to xmalloc()
14290         with XNEW().
14291         * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
14292         with XNEWVEC().
14293
14294 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
14295
14296         PR c/15360
14297         * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
14298         declarations until after calling pushdecl.
14299         (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
14300         "extern" and not on whether the declaration is initialized.
14301
14302 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
14303
14304         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
14305         (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
14306         * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
14307         "cpplib.h", "c-pragma.h", "c-common.h".
14308         (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
14309         (solaris_register_pragmas): New functions.
14310         * config/sol2-protos.h: New file.
14311         * config/sol2.c: New file.
14312         * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
14313         (REGISTER_TARGET_PRAGMAS): New macros.
14314         (solaris_pending_aligns, solaris_pending_inits)
14315         (solaris_pending_finis): New variables.
14316         * config/t-sol2 (sol2-c.o): Update dependencies.
14317         (sol2.o): New rule.
14318         * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
14319         SUBTARGET_INSERT_ATTRIBUTES.
14320         (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
14321         * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
14322         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
14323         * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
14324         * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
14325         * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
14326         (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
14327         * config/sparc/sparc.c (sparc_attribute_table): New.
14328         (TARGET_INSERT_ATTRIBUTES): Define in terms of
14329         SUBTARGET_INSERT_ATTRIBUTES.
14330         (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
14331         is defined.
14332         * doc/extend.texi (Solaris Pragmas): New section.
14333
14334 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14335
14336         * c-common.c: Rename all identifiers named `class' to `cl'.
14337         * c-common.h: Likewise.
14338         * c-parse.in: Likewise.
14339         * c-typeck.c: Likewise.
14340         * genmodes.c: Likewise.
14341         * real.c: Likewise.
14342         * real.h: Likewise.
14343         * recog.c: Likewise.
14344         * recog.h: Likewise.
14345         * regrename.c: Likewise.
14346         * tree.h: Likewise.
14347         * c-common.c (builtin_function_2): Change type of 5th parameter from
14348         int to enum built_in_function. Change type of 8th parameter from int
14349         to bool.
14350         * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
14351         with GGC_CNEW().
14352         * c-typeck.c (convert_arguments): Change type of formal_prec from
14353         int to unsigned int.
14354         * genmodes.c (blank_mode): Make a few negative constants unsigned.
14355         (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
14356         emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
14357         emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
14358         emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
14359         iterator to for_all_modes () instead of an enum because enums can't
14360         be incremented in C++.
14361
14362
14363 2004-07-25  Daniel Jacobowitz  <dan@debian.org>
14364
14365         * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
14366         hard registers.
14367
14368 2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14369
14370         * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
14371         Handle ARRAY_RANGE_REF like ARRAY_REF.
14372
14373 2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>
14374
14375         * c-typeck.c (digest_init): Don't allow arrays of signed or
14376         unsigned variants of wchar_t to be initialized by wide string
14377         constants.  Do allow arrays of enumerated types compatible with
14378         wchar_t to be initialized by wide string constants.  Refine tests
14379         distinguishing wide and narrow strings and arrays.  Give specific
14380         error for arrays of other integer types initialized by string
14381         constants.
14382         (output_init_element, process_init_element): Check for
14383         INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
14384         initializing with string constants.
14385
14386 2004-07-25  Richard Henderson  <rth@redhat.com>
14387
14388         * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
14389         on the RESULT_DECL.
14390         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
14391         * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
14392         DECL_IGNORED_P to new decl.
14393
14394 2004-07-24  Zack Weinberg  <zack@codesourcery.com>
14395
14396         * config/ia64/ia64.c (general_xfmode_operand)
14397         (destination_xfmode_operand): Delete.
14398         * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
14399         * config/ia64/ia64.md (*movxf_internal): Use general_operand
14400         and destination_operand.
14401
14402 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
14403
14404         * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
14405         (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.
14406
14407 2004-07-24  Alexander Kabaev  <kan@freebsd.org>
14408             Zack Weinberg  <zack@codesourcery.com
14409
14410         PR 16684
14411         * c-decl.c (diagnose_mismatched_decls): Don't issue a
14412         redundant-declaration warning the first time a builtin is
14413         declared explicitly.
14414
14415 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14416
14417         * tree.h (staticp): Change return type to bool.
14418
14419 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14420
14421         * c-common.c (c_staticp): Last episode of the staticp saga.
14422
14423 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14424
14425         * c-common.h (c_staticp): Change return type from int to bool.
14426         * tree.c (staticp): Likewise.
14427         * langhooks.h (staticp): Likewise.
14428
14429 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14430
14431         * langhooks-def.h (lhd_staticp): Change return type from int to
14432         bool in prototype to match definition.
14433
14434 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14435
14436         * system.h (bool, true, false): Don't redefine as preprocessor macros
14437         in C++.
14438
14439 2004-07-24  Roger Sayle  <roger@eyesopen.com>
14440
14441         * expmed.c (init_expmed): A signed modulus by a power of two is
14442         considered cheap if its less than or equal to four instructions.
14443
14444 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14445
14446         * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
14447         GGC_CNEWVAR): New macros.
14448
14449 2004-07-25  Bernardo Innocenti  <bernie@develer.com>
14450
14451         * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
14452         lists.
14453         * c-decl.c: Likewise.
14454         * c-format.c: Likewise.
14455         * c-lex.c: Likewise.
14456         * c-opts.c: Likewise.
14457         * c-pragma.c: Likewise.
14458         * c-typeck.c: Likewise.
14459         * gencheck.c: Likewise.
14460         * genconditions.c: Likewise.
14461         * genconfig.c: Likewise.
14462         * genflags.c: Likewise.
14463         * gengtype.c: Likewise.
14464         * gensupport.c: Likewise.
14465         * ggc-none.c: Likewise.
14466         * langhooks.c: Likewise.
14467         * statistics.h: Likewise.
14468         * stub-objc.c: Likewise.
14469         * java/decl.c: Likewise.
14470
14471 2004-07-24  Roman Zippel  <zippel@linux-m68k.org>
14472
14473         * config/m68k/m68k.c (output_scc_di): Fix coding style.
14474         (symbolic_operand): Fix prototype.
14475         * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
14476         * config/m68k/m68k.md: Add constants for registers a0 and sp and
14477         use them, change from the "{...}" syntax to the simpler {...}
14478         syntax.
14479         (*cfv4_extendqisi2): Fix destination predicate.
14480         * config/m68k/m68k-protos.h: Remove various declarations also
14481         generated via PREDICATE_CODES.
14482
14483 2004-07-23  Mike Stump  <mrs@apple.com>
14484
14485         * c-typeck.c (convert_for_assignment): Tightened up pointer
14486         converstions that differ in signedness.
14487
14488 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
14489
14490         * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.
14491
14492 2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
14493
14494         * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
14495         * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.
14496
14497         * gimplify.c (gimplify_compound_lval): Check for no handled
14498         operations, rather than checking for explicit list of nodes.
14499         (is_gimple_addr_expr_arg_or_indirect): New function.
14500         (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
14501         redundant setting of TREE_INVARIANT.
14502         (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
14503         * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.
14504
14505 2004-07-23  Diego Novillo  <dnovillo@redhat.com>
14506
14507         PR tree-optimization/16688
14508         PR tree-optimization/16689
14509         * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
14510         unnecessary initialization of 'tag'.
14511         (get_tmt_for): Check that the new type tag has the same alias
14512         set as the pointed-to type.
14513         (group_aliases): Only regular variables need to be removed
14514         from the alias set of a name tag.
14515         * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
14516         propagation if the two types are not compatible.
14517         (merge_alias_info): Rename from replace_ssa_names_ann.
14518         Add more checking.
14519         (replace_exp_1): If both arguments are SSA_NAMEs, check that
14520         the propagation can be done.
14521         Only call merge_alias_info on pointers.
14522         (propagate_value): Likewise.
14523         * tree-ssa-copyrename.c: Include langhooks.h.
14524         (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
14525         to do the merging.
14526         Do not coalesce variables with incompatible types.
14527         (rename_ssa_copies): Call replace_ssa_name_symbol.
14528         * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
14529         the same type as the underlying _DECL.
14530         * tree-ssanames.c (replace_ssa_name_symbol): New function.
14531         * tree.h (replace_ssa_name_symbol): Declare.
14532
14533 2004-07-23  Richard Henderson  <rth@redhat.com>
14534
14535         PR c++/16277
14536         * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
14537         unshare it properly.
14538         (gimplify_modify_expr_rhs): Push assignment from a conditional into
14539         the conditional for all non-register types.
14540
14541 2004-07-23  Richard Henderson  <rth@redhat.com>
14542
14543         * expr.c (expand_expr_real_1): Don't handle non-local variables.
14544         * expr.h (fix_lexical_addr): Remove.
14545         * function.c (NEED_SEPARATE_AP): Remove.
14546         (fix_lexical_addr): Remove.
14547         * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
14548         not null decl_function_context.
14549         (create_alias_vars): Likewise.
14550         * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
14551         (simple_goto_p): Likewise.
14552         * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
14553         * tree-ssa-ccp.c (get_default_value): Likewise.
14554         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
14555         * tree.c (needs_to_live_in_memory): Likewise.
14556         * tree-flow-inline.h (may_be_aliased): Move...
14557         * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
14558         when TREE_STATIC variables may be addressable.
14559
14560 2004-07-24  Jakub Jelinek  <jakub@redhat.com>
14561
14562         * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.
14563
14564 2004-07-23  Zack Weinberg  <zack@codesourcery.com>
14565
14566         * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
14567         bitmap contents if GENERATOR_FILE is defined.
14568         * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
14569         ($(BUILD_PREFIX_1)bitmap.o): Delete rule.
14570
14571 2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>
14572
14573         * c-decl.c (start_function): Form composite type of function types
14574         rather than copying type from previous prototype declaration.
14575
14576 2004-07-23  Janis Johnson  <janis187@us.ibm.com>
14577
14578         * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
14579         the const qualifier for the second argument in the C++ functions.
14580
14581         * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
14582         specific pointer types.
14583
14584         * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
14585         vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
14586         for vector bool and/or vector pixel, add C++ and C missing support.
14587         (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
14588         vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
14589         vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
14590         vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
14591         vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
14592         missing C++ and C support for vector bool and/or vector pixel.
14593         (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
14594         vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
14595         vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
14596         vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
14597         vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
14598         C++ and C types used for vector bool and/or vector pixel.
14599         (vec_st, vec_stl): Add C++ support for vector pixel.
14600         (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
14601         (vec_all_ne): Add C++ support for vector pixel.
14602
14603         * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
14604         (vec_vmulesb): Add missing C++ function.
14605         (vec_perm): Fix type of third argument in C++ function.
14606         (vec_vsum4shs): Fix C++ function name.
14607         (vec_any_ge): Remove C++ functions for unsupported arg combinations.
14608         (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
14609         argument passed to the error handler in C macro.
14610         (vec_nmsub): Remove extra parens around argument names in C macro.
14611         (vec_packpx): Add missing parens in C macro.
14612
14613 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
14614
14615         * machmode.def: Remove vector modes.
14616         * config/alpha/alpha-modes.def: Add supported vector modes.
14617         * config/arm/arm-modes.def: Likewise.
14618         * config/frv/frv-modes.def: Likewise.
14619         * config/i386/i386-modes.def: Likewise.
14620         * config/rs6000/rs6000-modes.def: Likewise.
14621         * config/sh/sh-modes.def: Likewise.
14622
14623 2004-07-23  Matthias Klose  <doko@debian.org>
14624
14625         * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
14626         * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
14627         * config.h: Regenerate.
14628         * configure: Likewise.
14629
14630 2004-07-22  Mark Mitchell  <mark@codesourcery.com>
14631
14632         * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
14633         generated SYMBOL_REFs for labels.
14634         * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
14635         Change prototype.
14636         (machopic_stub_name): Remove.
14637         (machopic_indirection_name): New function.
14638         (machopic_mcount_stub_name): Likewise.
14639         (machopic_classify_name): Remove.
14640         (machopic_function_base_sym): New function.
14641         (machpoic_classify_symbol): Likewise.
14642         (machopic_classify_ident): Remove.
14643         (machopic_define_ident): Likewise.
14644         (machopic_define_name): Likewise.
14645         (machopic_name_defined_p): Likewise.
14646         (machopic_ident_defined_p): Likewise.
14647         (darwin_strip_name_encoding): Likewise.
14648         (machopic_define_symbol): New function.
14649         * config/darwin.c (hashtab.h): Include.
14650         (machopic_defined_list): Remove.
14651         (machopic_classify_ident): Likewise.
14652         (machopic_classify_name): Likewise.
14653         (machopic_ident_defined_p): Likewise.
14654         (machopic_define_ident): Likewise.
14655         (machopic_define_name): Likewise.
14656         (machopic_symbol_defined_p): New function.
14657         (machopic_classify_symbol): Likewise.
14658         (machopic_data_defined_p): Use machopic_classify_symbol.
14659         (machopic_define_symbol): New function.
14660         (machopic_function_base_sym): New function.
14661         (machopic_non_lazy_pointers): Remove.
14662         (machopic_non_lazy_ptr_name): Likewise.
14663         (machopic_stubs): Likewise.
14664         (machopic_stub_name): Likewise.
14665         (NON_LAZY_POINTER_SUFFIX): New macro.
14666         (STUB_SUFFIX): Likewise.
14667         (machopic_indirection): New structure.
14668         (machopic_indirections): New variable.
14669         (machopic_indirection_hash): New function.
14670         (machopic_indirection_eq): Likewise.
14671         (machopic_indirection_name): Likewise.
14672         (machopic_mcount_stub_name): New function.
14673         (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
14674         hash table.
14675         (machopic_indirect_data_reference): Rework to use new functions.
14676         (machopic_indirect_call_target): Likewise.
14677         (machopic_legitimize_pic_address): Likewise.
14678         (machopic_output_indirection): New function.
14679         (machopic_finish): Use it.
14680         (machopic_operand_p): Rework to use new functions.
14681         (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
14682         (darwin_strip_name_encoding): Remove.
14683         (update_non_lazy_ptrs): Remove.
14684         (update_stubs): Likewise.
14685         (darwin_non_lazy_pcrel): Use new functions.
14686         * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
14687         (ASM_OUTPUT_LABELREF): Likewise.
14688         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
14689         (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
14690         (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
14691         (TARGET_STRIP_NAME_ENCODING): Do not use
14692         darwin_strip_name_encoding.
14693         (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
14694         darwin_strip_name_encoding.
14695         * config/i386/darwin.h (FUNCTION_PROFILER): Use
14696         machopic_mcount_stub_name.
14697         * config/i386/i386.c (x86_output_mi_thunk): Use
14698         machopic_indirection_name, not machopic_stub_name.
14699         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
14700         machopic_function_base_sym.
14701         (print_operand): Use machopic_classify_symbol.
14702         (rs6000_emit_prologue): Use machopic_function_base_sym.
14703         (output_profile_hook): Do not use machopic_stub_name.
14704         (macho_branch_isalnds): Do not use darwin_strip_name_encoding.
14705
14706 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
14707
14708         PR c/7284
14709         * fold-const.c (extract_muldiv_1): Do not treat signed left shift
14710         as multiplication.
14711
14712 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
14713
14714         * doc/implement-c.texi: New file.
14715         * doc/extend.texi (C Implementation): Move to there.
14716         * doc/gcc.texi: Include implement-c.texi.
14717         * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.
14718
14719 2004-07-22  Jason Merrill  <jason@redhat.com>
14720
14721         * integrate.c (copy_decl_for_inlining): Remove invisible reference
14722         handling.
14723         * tree-inline.c (setup_one_parameter): Likewise.
14724
14725 2004-07-22  Brian Booth  <bbooth@redhat.com>
14726
14727         * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
14728         (substitute_and_fold): Propigate into VUSE operands when possible.
14729         (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
14730         (cp_lattice_meet): Handle merging of latticevalues when
14731         UNKNOWN_VAL is present.
14732         (visit_stmt): Visit assignments with V_MUST_DEFs.
14733         (visit_assignment): Gather ccp information for V_MUST_DEF operands.
14734         (ccp_fold): Deal with RHS' that are constant and virtual.
14735         (evaluate_stmt): Handle UNKNOWN_VAL likely values.
14736         (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
14737         (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
14738         V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
14739         computing immediate uses.
14740         (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
14741         transition.
14742         (replace_vuse_in): New function.
14743         (likely_value): Add check of vuse operands.
14744         (get_default_value): Set the default value of virtually defined
14745         variables to UKNOWN_VAL instead of VARYING.
14746
14747 2004-07-22  Richard Henderson  <rth@redhat.com>
14748
14749         * expr.c (emit_push_insn): Don't use set_mem_attributes.
14750
14751 2004-07-22  Richard Henderson  <rth@redhat.com>
14752
14753         * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
14754         variables due to conditional compilation.
14755
14756 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
14757
14758         * tree-into-ssa.c (set_livein_block): Fix typo in comment.
14759         (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
14760         Release SSA names that have been re-renamed.
14761         * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
14762         variable.
14763         * tree-ssa-alias.c (init_alias_info): If aliases have been
14764         computed before, clear existing alias information.
14765         (create_name_tags): Do no fixup PT_ANYTHING pointers.
14766         If the new name tag for a pointer is different than the one it
14767         had before, mark the old tag for renaming.
14768         (replace_may_alias): New function.
14769         (group_aliases): Call it.
14770         (setup_pointers_and_addressables): Always call get_tmt_for.
14771         (maybe_create_global_var): Don't create .GLOBAL_VAR more than
14772         once.
14773         (set_pt_anything): New local function.
14774         (set_pt_malloc): New local function.
14775         (merge_pointed_to_info): Don't merge pointed-to variables from
14776         the original pointer if the destination is pointing to an
14777         unknown location.
14778         (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
14779         (add_pointed_to_var): Do not add a variable to the points-to
14780         set if the pointer is already pointing to anywhere.
14781         (collect_points_to_info_r): If the defining statement is a PHI
14782         node, only merge pointed-to information if the argument has
14783         already been visited.
14784         (get_tmt_for): Only create a new tag if the pointer didn't
14785         have one already.
14786         (dump_alias_info): Emit more information.
14787         (dump_points_to_info_for): Likewise.
14788         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
14789         try to get the annotation of an SSA_NAME.
14790         * tree-ssa-operands.c (add_stmt_operand): Only check for empty
14791         alias sets when checking is enabled.
14792         * tree-ssa-pre.c (need_eh_cleanup): New local variable.
14793         (eliminate): Mark basic blocks that will need
14794         EH information cleaned up.
14795         (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
14796         predecessor.
14797         Initialize need_eh_cleanup.
14798         (fini_pre): Call tree_purge_all_dead_eh_edges and
14799         cleanup_tree_cfg if needed.
14800         Free need_eh_cleanup.
14801         * tree-ssa.c (verify_ssa_name): New function.
14802         (verify_def): Call it.
14803         Re-arrange to avoid printing too many error messages.
14804         (verify_use): Likewise.
14805         (verify_phi_args): Likewise.
14806         (verify_flow_insensitive_alias_info): New function.
14807         (verify_flow_sensitive_alias_info): New function.
14808         (verify_alias_info): New function.
14809         (verify_ssa): Call verify_alias_info.
14810         Clear TREE_VISITED on all the SSA_NAMEs before scanning the
14811         program.
14812         Re-arrange to avoid printing too many error messages.
14813         * tree-ssanames.c (make_ssa_name): Clear
14814         SSA_NAME_IN_FREE_LIST.
14815         (release_ssa_name): Never release a default definition.
14816         (release_defs): New function.
14817         * tree.h: Declare it.
14818         * tree-ssa-dce.c (remove_dead_stmt): Call it.
14819
14820 2004-07-22  Diego Novillo  <dnovillo@redhat.com>
14821
14822         * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
14823         If true, do a depth-first search.  Do a breadht-first search,
14824         otherwise.
14825         (walk_use_def_chains): Add new argument IS_DFS.
14826         Update all users.
14827         * tree-flow.h (walk_use_def_chains): Update prototype.
14828
14829 2004-07-22  Hans-Peter Nilsson  <hp@axis.com>
14830
14831         * config/cris/cris.md: Tweak formatting.
14832         (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
14833         (mover2side, moverside, movemside, movei, op3, andu): Replace
14834         live define_peephole:s with define_peephole2 near-equivalents.
14835         Delete the rest.
14836         ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
14837         word-size modes.
14838         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
14839         Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
14840         "*mov_sidesi_mem" respectively.
14841
14842 2004-07-22  Paolo Bonzini  <bonzini@gnu.org>
14843
14844         * tree-cfg.c (gimplify_val): Move from tree-complex.c.
14845         (gimplify_build1): Move from tree-complex.c do_unop.
14846         (gimplify_build2): Move from tree-complex.c do_binop.
14847         (gimplify_build3): New.
14848         * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
14849         Adjust throughout to call the functions above.
14850         * tree-flow.h: Declare the functions above.
14851         * tree-nested.c (gimplify_val): Rename to...
14852         (tsi_gimplify_val): ... this.
14853
14854         * Makefile.in (tree_complex.o): Update dependencies.
14855         (stor-layout.o): Depend on regs.h.
14856         * c-common.c (handle_vector_size_attribute): Update for
14857         vector types without corresponding vector modes.
14858         * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
14859         a corresponding vector mode is not available.
14860         * print-tree.c (print_node): Print nunits for vector types
14861         * regclass.c (have_regs_of_mode): New.
14862         (init_reg_sets_1): Initialize it and use it instead
14863         of allocatable_regs_of_mode.
14864         * regs.h (have_regs_of_mode): Declare it.
14865         * stor-layout.c (layout_type): Pick a mode for vector types.
14866         * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
14867         build_replicated_const, do_unop, do_binop, do_plus_minus,
14868         do_negate, expand_vector_piecewise, expand_vector_parallel,
14869         expand_vector_addition, expand_vector_operations_1,
14870         expand_vector_operations, tree_lower_operations,
14871         pass_lower_vector_ssa, pass_pre_expand): New.
14872         (expand_complex_operations, pass_lower_complex): Remove.
14873         * tree-optimize.c (init_tree_optimization_passes): Adjust
14874         pass ordering for changes in tree-complex.c.
14875         * tree-pass.h: Declare new passes.
14876         * tree.c (finish_vector_type): Remove.
14877         (make_vector_type): New.
14878         (build_vector_type_for_mode, build_vector_type): Rewritten.
14879         * tree.def (VECTOR_TYPE): Document where the number of
14880         subparts is stored.
14881         * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
14882         (make_vector): Remove declaration.
14883
14884 2004-07-21  Richard Henderson  <rth@redhat.com>
14885
14886         * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
14887         TREE_THIS_VOLATILE, may_aliases, or optimization level.
14888         (remove_useless_vars): Dump debugging info.
14889         (expand_used_vars): Move ...
14890         * cfgexpand.c (expand_used_vars): ... here.  Make static.
14891         * tree-flow-inline.h (set_is_used): New.
14892         (set_default_def): Use get_var_ann.
14893         * tree-flow.h: Update decls.
14894         * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
14895         (create_ssa_var_map): Use it.
14896         * tree-ssa.c (set_is_used): Remove.
14897
14898 2004-07-22  Ben Elliston  <bje@au.ibm.com>
14899
14900         * gdbinit.in: Set a breakpoint on internal_error.
14901
14902 2004-07-21  Richard Henderson  <rth@redhat.com>
14903
14904         * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
14905         to create a new basic block.
14906
14907 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
14908
14909         PR c/15052
14910         * c-decl.c (grokdeclarator): Only pedwarn for qualified void
14911         return type on function definitions.  Move other warnings for
14912         qualified return type to -Wreturn-type.  Do not condition any such
14913         warnings on -pedantic.  Update comments.
14914         (start_function): Only copy function type from previous prototype
14915         declaration if return types are compatible.
14916         * c-typeck.c (function_types_compatible_p): Don't condition
14917         warning for incompatibility of volatile qualifiers on the return
14918         type on -pedantic.  Update comment.
14919         * doc/invoke.texi (-Wreturn-type, -Wextra): Update.
14920
14921 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
14922
14923         * c-typeck.c (set_init_index): Require designator to be of integer
14924         type.
14925
14926 2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>
14927
14928         PR c/11250
14929         * c-parse.in (init): Change to exprtype.
14930         (primary): Set original_code for STRING to STRING_CST.
14931         Call maybe_warn_string_init for compound literals.
14932         (initdcl, notype_initdcl): Call maybe_warn_string_init.
14933         (initval): Update.
14934         * c-tree.h (maybe_warn_string_init): New.
14935         (pop_init_level, process_init_element): Use struct c_expr.
14936         (struct c_expr): Update comment.
14937         * c-typeck.c (maybe_warn_string_init): New function.
14938         (digest_init): Call it.  Additional parameter strict_string.  All
14939         callers changed.
14940         (output_init_element): Likewise.
14941         (struct constructor_stack): Use struct c_expr for
14942         replacement_value.
14943         (really_start_incremental_init, push_init_level): Update.
14944         (pop_init_level): Update.  Return struct c_expr.
14945         (process_init_level): Update.  Take struct c_expr argument.
14946
14947 2004-07-21  David S. Miller  <davem@nuts.davemloft.net>
14948
14949         * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
14950         commit.
14951
14952 2004-07-21  Eric Christopher  <echristo@redhat.com>
14953
14954         * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
14955         removal.
14956         * c-decl.c (pop_scope): Ditto.
14957         * calls.c (expand_call): Remove call to current_nesting_level,
14958         update comment accordingly. Remove calls to expand_start_target_temps
14959         and expand_end_target_temps.
14960         * cfgexpand.c (construct_init_block): Remove call to
14961         expand_start_bindings_and_block.
14962         (construct_exit_block): Remove call to expand_end_bindings.
14963         * expr.c (safe_from_p): Remove BIND_EXPR handling.
14964         (expand_expr_real_1): Ditto. Fix formatting.
14965         (expand_vars): Delete.
14966         * stmt.c (POPSTACK): Remove block_stack.
14967         (stmt_status): Remove x_block_stack.
14968         (block_stack): Delete.
14969         (expand_start_bindings_and_block): Ditto.
14970         (expand_start_target_temps): Ditto.
14971         (expand_end_target_temps): Ditto.
14972         (current_nesting_level): Ditto.
14973         (warn_about_unused_variables): Ditto.
14974         (expand_end_bindings): Ditto.
14975         * tree.h: Remove declarations for above.
14976
14977 2004-07-21  Steven Bosscher  <stevenb@suse.de>
14978
14979         * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
14980         * rtl.c (note_insn_name): Likewise.
14981         * print-rtl.c (print_rtx): Don't print it.
14982         * cfgrtl.h (can_delete_note_p): Don't handle it.
14983         (rtl_delete_block): Likewise.
14984         * passes.c (rest_of_handle_guess_branch_prob): Remove.
14985         (rest_of_compilation): Don't call it.
14986         * predict.c (process_note_predictions, process_note_prediction,
14987         note_prediction_to_br_prob): Remove.
14988         * basic-block.c (note_prediction_to_br_prob): Remove prototype.
14989         * stmt.c (return_prediction): Remove.
14990         (expand_value_return): Don't call it.  Don't add prediction
14991         notes for return statements.
14992
14993 2004-07-21  Josef Zlomek  <zlomekj@suse.cz>
14994
14995         * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
14996         once.
14997
14998 2004-07-21  Paolo Bonzini  <bonzini@gnu.org>
14999
15000         * c-common.c (vector_types_convertible_p): Use vector types'
15001         TYPE_SIZE and TREE_TYPE instead of their mode.
15002         * convert.c (convert_to_integer): Likewise.
15003         (convert_to_vector): Likewise.
15004         * fold-const.c (fold_convert): Likewise.
15005         * varasm.c (output_constant): Likewise.
15006         * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
15007         Allow a VECTOR_TYPE initializer to be made of several vectors.
15008         For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
15009         of cleared and need_to_clear, and use fold_convert.
15010         * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
15011         integer vectors.
15012
15013 2004-07-20  Richard Henderson  <rth@redhat.com>
15014
15015         * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
15016         (expand_gimple_basic_block): out from here.  Renamed from expand_block.
15017
15018 2004-07-20  David S. Miller  <davem@nuts.davemloft.net>
15019
15020         * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
15021         enormous cost if not TARGET_HARD_MUL.
15022
15023 2004-07-20  Andrew Pinski  <apinski@apple.com>
15024
15025         PR target/16557
15026         * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
15027         (ASM_SPEC): here.
15028
15029 2004-07-21  Paul brook  <paul@codesourcery.com>
15030
15031         * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.
15032
15033 2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
15034
15035         * fold-const.c (operand_equal_p): Temporarily support NULL args.
15036         (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
15037         (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.
15038
15039 2004-07-20  Zack Weinberg  <zack@codesourcery.com>
15040
15041         * rtl.h (plus_constant): Delete.
15042         (plus_constant_wide): Rename to plus_constant.
15043         (plus_constant_for_output_wide): Delete vestigial prototype.
15044         (GEN_INT): Remove unnecessary cast.
15045         * tree.h (build_int_2, size_int_type): Delete.
15046         (build_int_2_wide): Rename to build_int_2.
15047         (size_int_wide): Rename to size_int_kind.
15048         (size_int_type_wide): Rename to size_int_type.
15049         (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
15050         Remove unnecessary cast.
15051         * tree.c (build_int_2_wide): Rename build_int_2; update comment.
15052         * explow.c (plus_constant_wide): Rename plus_constant; update comment.
15053         * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
15054         (size_int_type_wide): Rename size_int_type.
15055         (int_const_binop): Use size_int_type.
15056         * c-lex.c (interpret_integer): Use build_int_2.
15057         * final.c (split_double): Remove unnecessary casts.
15058         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.
15059
15060 2004-07-20  Richard Henderson  <rth@redhat.com>
15061
15062         * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
15063         (gimplify_compound_lval): Use is_gimple_tmp_reg.
15064         * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
15065         (is_gimple_tmp_reg): New.
15066         * tree-gimple.h (is_gimple_tmp_reg): Declare.
15067
15068 2004-07-20  Richard Henderson  <rth@redhat.com>
15069
15070         * tree-pretty-print.c (dump_generic_node): Dump
15071         CALL_EXPR_HAS_RETURN_SLOT_ADDR.
15072
15073 2004-07-20  Frank Ch. Eigler  <fche@redhat.com>
15074
15075         * tree-mudflap.c (mf_set_options_fndecl): New tree.
15076         (mudflap_init): Set it.
15077         (mudflap_register_call): Remove __mf_init call.
15078         (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
15079         to pass "-ignore-reads" option to libmudflap if needed.
15080
15081 2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>
15082
15083         PR c++/14607
15084         * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
15085         (MAKE_DECL_ONE_ONLY): Undefine.
15086         * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
15087         readonly_data, one_only_data_section, forget_section): New prototypes.
15088         * pa.c (pa_init_machine_status, som_text_section_asm_op): New
15089         functions.
15090         (pa_select_section): Add one-only (COMDAT) support.
15091         * pa.h (struct machine_function): Define.
15092         * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
15093         (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
15094         (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
15095         ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
15096         ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
15097         (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
15098         (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
15099         (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
15100         ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
15101         for EXTRA_SECTION_FUNCTIONS.
15102         * doc/install.texi: Update binutils requirements.
15103
15104 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
15105
15106         * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
15107         VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
15108         VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
15109         size_t.
15110         (struct VEC): Use unsigned for num and alloc.
15111         * vec.c (struct vec_prefix): Likewise.
15112         (vec_o_reserve): Adjust.
15113
15114         * dbxout.c (dbxout_type): Fix printf format.
15115
15116         * tree.h (binfo_member): Remove.
15117         * tree.c (binfo_member): Remove.
15118
15119 2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>
15120
15121         * tree.h: Include vec.h
15122         (DEF_VEC_P(tree)): New type.
15123         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
15124         (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
15125         (BINFO_LANG_SLOT): Remove.
15126         (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
15127         (struct tree_binfo): Turn base_binfos into a trailing
15128         VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
15129         (binfo_lang_slots): Remove.
15130         * tree.c (binfo_lang_slots): Remove.
15131         (make_tree_binfo_stat): Take a base binfo count, not a
15132         lang slot count.  Adjust.
15133         * Makefile.in (TREE_H): Add vec.h
15134         * alias.c (record_component_aliases): Adjust BINFO access.
15135         * dbxout.c (dbxout_type): Likewise.
15136         * dwarf2out.c (gen_member_die): Likewise.
15137         * sdbout.c (sdbout_one_type): Likewise.
15138         * tree-dump.c (deque_and_dump): Likewise.
15139         * config/i386/i386.c (classify_argument,
15140         contains_128bit_aligned_vector_p): Likewise.
15141         * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
15142         * doc/c-tree.texi (Classes): Update BINFO documentation.
15143
15144 2004-07-20  Steven Bosscher  <stevenb@suse.de>
15145
15146         * c-common.h (check_case_value): Remove prototype.
15147         (c_add_case_label): Adjust prototype.
15148         * c-common.c (check_case_value): Make static.
15149         (check_case_bounds): New function.
15150         (c_add_case_label): Use it.  Take new argument orig_type.
15151         * c-typeck.c (struct c_switch): New orig_type field.
15152         (c_start_case): Set it.
15153         (do_case): Pass it to c_add_case_label.
15154         * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
15155         cases from here.  Add the labels in reverse order.
15156         * stmt.c (struct case_node): Adjust comment.  Remove balance field.
15157         (add_case_node): Return nothing, don't check for duplicate cases.
15158         Insert new case nodes in a list, not in an AVL tree.
15159         (expand_end_case_type): Don't turn a case tree into a case list.
15160         (case_tree2list): Remove.
15161         * tree.h (add_case_node): Adjust prototype.
15162
15163 2004-07-19  Paolo Bonzini  <bonzini@gnu.org>
15164
15165         * genattr.c (struct range, struct function_unit,
15166         write_units, extend_range, init_range): Remove them.
15167         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
15168         Output "#define INSN_SCHEDULING" here.
15169         * genattrtab.c (struct range, struct function_unit_op,
15170         struct function_unit, struct dimension, enum operator,
15171         operate_exp, expand_units, simplify_knowing,
15172         encode_units_mask, simplify_by_exploding,
15173         find_and_mark_used_attributes, unmark_used_attributes,
15174         add_values_to_cover, increment_current_value,
15175         test_for_current_value, simplify_with_current_value,
15176         simplify_with_current_value_aux, gen_unit,
15177         write_unit_name, write_function_unit_info,
15178         write_complex_function, write_toplevel_expr,
15179         find_single_value, extend_range): Remove.
15180         (write_attr_get): Do not handle common_av->value
15181         being an FFS.
15182         (struct attr_desc): Remove func_units_p and blockage_p.
15183         (write_attr_valueq): Do not handle them.
15184         (find_attr): Do not clear them.
15185         (make_internal_attr): Do not initialize them.
15186         (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
15187         * sched-vis.c (init_target_units, insn_print_units,
15188         init_block_visualization, print_block_visualization,
15189         visualize_scheduled_insns, visualize_no_unit,
15190         visualize_stall_cycles, visualize_alloc,
15191         visualize_free, target_units, get_visual_tbl_length,
15192         MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
15193         visual_tbl_line_length, visual_tbl, n_vis_no_unit,
15194         MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
15195         * haifa-sched.c (blockage_range, clear_units,
15196         schedule_unit, actual_hazard, potential_hazard,
15197         insn_unit, unit_last_insn, unit_tick,
15198         actual_hazard_this_instance, potential_hazard,
15199         schedule_unit, max_insn_queue_index_value): Remove.
15200         (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
15201         max_insn_queue_index.
15202         * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
15203         * doc/md.texi (Processor pipeline description): Remove
15204         references to old pipeline descriptions.
15205         (Automaton pipeline description): Merge with the above.
15206         (Old pipeline description, Comparison of the two descriptions):
15207         Remove.
15208
15209         * bt-load.c (migrate_btr_def): Remove references to
15210         use_pipeline_interface.
15211         * haifa-sched.c (insn_cost, schedule_insn,
15212         schedule_block, advance_one_cycle, sched_init,
15213         queue_to_ready, sched_finish): Likewise.
15214         * modulo-sched.c (sms_schedule, advance_one_cycle,
15215         ps_has_conflicts): Likewise.
15216         * sched-rgn.c (init_ready): Likewise.
15217         (debug_dependencies): Likewise, and remove an "if (1)".
15218         * target.h (use_dfa_pipeline_interface): Remove.
15219         * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15220         * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15221         * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15222         * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15223         * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15224         * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15225         * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15226         * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15227         * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15228         * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15229         * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15230         * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15231         * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15232         * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15233         * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15234         * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15235         * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15236         * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15237         * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
15238
15239 2004-07-19  Roger Sayle  <roger@eyesopen.com>
15240
15241         * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.
15242
15243 2004-07-19  Jeff Law  <law@redhat.com>
15244
15245         * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
15246         (get_eq_expr_value): Use it.  Simplify slightly.
15247
15248 2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>
15249
15250         * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
15251         (umulsidi3_32bit_r4000): Likewise.
15252
15253 2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>
15254
15255         * vec.h: Propagate location information properly.
15256         (VEC_T_iterate): Add result pointer parameter.
15257         (VEC_T_space): New.
15258         (VEC_T_reserve): Use it.
15259
15260 2004-07-19  Daniel Jacobowitz  <dan@debian.org>
15261
15262         * Makefile.in (c-format.o): Depend on c-format.h.
15263         * c-format.h: New file.
15264         (struct format_char_info): Add CHAIN member.
15265         * c-format.c: Move some types and constants to c-format.h.
15266         (format_type_error): Set to -1.
15267         (struct function_format_info): Use an int for format_type.
15268         (decode_format_type): Return an int.  Return format_type_error
15269         on error.
15270         (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
15271         (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
15272         (scan_char_table, time_char_table, monetary_char_table): Initialize
15273         CHAIN to NULL.
15274         (n_format_types): New variable.
15275         (check_format_info_main): Handle CHAIN in format_char_info.
15276         (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
15277         TARGET_N_FORMAT_TYPES.
15278         * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
15279         (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
15280         * config/sol2-c.c: New file.
15281         * config/t-sol2: New file.
15282         * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
15283         * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
15284         TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.
15285
15286         * doc/extend.texi (Target Format Checks): New section.
15287         (Function Attributes): Mention it.
15288         * doc/invoke.texi: Mention target format checks.
15289         * doc/sourcebuild.texi: Mention target format checks.
15290         * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
15291         TARGET_FORMAT_TYPES.
15292
15293 2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>
15294
15295         * config/s390/s390-protos.h (s390_return_address_offset): Prototype
15296         added.
15297         * config/s390/s390.c (regclass_map initializer): Register 35 added to
15298         ADDR_REGS.
15299         (load_multiple_operation, store_multiple_operation): Removed
15300         pointless sanity check.
15301         (s390_decompose_address): Added check for return_address_pointer_rtx.
15302         (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
15303         (s390_return_address_offset): New function.
15304         * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
15305         (FRAME_REGNO_P): Added check for register 35.
15306         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
15307         REG_ALLOC_ORDER): Appended entry for register 35.
15308         (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
15309         (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
15310         (RETURN_ADDRESS_POINTER_REGNUM): New macro.
15311         (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
15312         is eliminable using stack pointer or hard frame pointer.
15313         (REGISTER_NAMES): Added name for register 35.
15314         * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
15315         pointless sanity check.
15316
15317 2004-07-19  Roger Sayle  <roger@eyesopen.com>
15318
15319         * fold-const.c (tree_expr_nonzero_p): Add function prototype.
15320         (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
15321         fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
15322         (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
15323         of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
15324         (fold_relational_const): Tidy up handling of floating point
15325         comparisons by calling real_compare.  Remove tree_expr_nonzero_p
15326         transformation; fold_relational_const assumes constant operands.
15327
15328 2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>
15329
15330         * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
15331         directory.
15332
15333 2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>
15334
15335         * c-tree.h (struct c_expr): Define.
15336         (C_SET_EXP_ORIGINAL_CODE): Remove.
15337         (parser_build_binary_op, build_compound_expr): Update prototypes.
15338         * c-parse.in (%union): Add exprtype.
15339         (FUNC_NAME): Mark as ttype.
15340         (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
15341         exprtype.
15342         (expr): Update.  Define directly in terms of expr_no_commas
15343         instead of using nonnull_exprlist.
15344         (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
15345         offsetof_member_designator, typespec_nonreserved_nonattr, init,
15346         initval, designator, component_declarator,
15347         component_notype_declarator, enumerator, array_declarator,
15348         condition, exexpr, switch_statement, stmt_nocomp, stmt,
15349         nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
15350         set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
15351         where appropriate.
15352         * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
15353         * c-common.c (c_common_truthvalue_conversion): Don't check
15354         C_EXP_ORIGINAL_CODE.
15355         * c-typeck.c (parser_build_binary_op): Use c_expr structures.
15356         Don't use C_EXP_ORIGINAL_CODE.
15357         (default_conversion, default_function_array_conversion): Don't use
15358         C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
15359         (internal_build_compound_expr): Merge into build_compound_expr.
15360         (build_compound_expr): Take two operands instead of a TREE_LIST.
15361         * objc/objc-act.c (get_super_receiver): Update calls to
15362         build_compound_expr.
15363
15364 2004-07-18  Paolo Bonzini  <bonzini@gnu.org>
15365
15366         * config/sh/sh.c (sh_use_dfa_interface): Remove.
15367         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
15368         hook_int_void_1.
15369         * config/sh/sh.md: Extract pipeline descriptions
15370         into separate files.
15371         * config/sh/sh1.md: New file, extracted from sh.md.
15372         * config/sh/sh4.md: New file, extracted from sh.md.
15373         * config/sh/shmedia.md: New file, extracted from sh.md
15374         and rewritten using new-style pipeline description.
15375
15376 2004-07-18  Zack Weinberg  <zack@codesourcery.com>
15377
15378         * config/pa/pa.md: Delete the two remaining define_peephole
15379         patterns.
15380
15381 2004-07-18  Steven Bosscher  <stevenb@suse.de>
15382             Joseph S. Myers  <jsm@polyomino.org.uk>
15383
15384         * c-common.c (c_common_truthvalue_conversion): Don't warn if
15385         TREE_NO_WARNING is set.
15386
15387 2004-07-18  Roger Sayle  <roger@eyesopen.com>
15388
15389         * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
15390         simplify_builtin_strncmp): Delete.
15391         (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
15392         Change argument to accept an arglist instead of an "exp".  Assume
15393         that the return type is always integer_type_node.  Copy missing
15394         transformations from their now obsolete simplify_builtin_*
15395         equivalents.
15396         (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
15397         fold_builtin_strcmp and fold_builtin_strncmp.
15398         (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
15399         and fold_builtin_strncmp instead of simplify_builtin_memcmp,
15400         simplify_builtin_strcmp and simplify_builtin_strncmp respectively.
15401
15402 2004-07-18  Daniel Jacobowitz  <dan@debian.org>
15403
15404         * Makefile.in (tree-alias-common.o): Update dependencies.
15405
15406 2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>
15407
15408         * cfgloop.c (flow_loop_nested_p): Fix comment.
15409
15410 2004-07-17  Jason Merrill  <jason@redhat.com>
15411
15412         PR c++/16115
15413         * stor-layout.c (relayout_decl): New fn.
15414         * tree.h: Declare it.
15415         (DECL_BY_REFERENCE): New macro.
15416
15417 2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>
15418
15419         * libgcc2.c (__enable_execute_stack): New symbol.
15420         * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
15421         and declare __enable_execute_stack.
15422         * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
15423         * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
15424         * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
15425         ENABLE_EXECUTE_STACK.
15426         * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
15427         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
15428         * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
15429         ENABLE_EXECUTE_STACK.
15430         * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15431         * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
15432         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
15433         * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
15434         ENABLE_EXECUTE_STACK.
15435         * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15436         * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15437         * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15438         * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
15439         * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
15440         on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
15441         (sparc64_initialize_trampoline): Likewise.
15442         * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.
15443
15444 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
15445
15446         * langhooks.h (builtin_function): New langhook.
15447         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
15448         (LANG_HOOKS_INITIALIZER): Update.
15449         * tree.h (builtin_function): Remove.
15450         * doc/tm.texi: Update.
15451         * c-tree.h (builtin_function): Declare.
15452         * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
15453         config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
15454         config/ia64/ia64.c, config/iq2000/iq2000.c,
15455         config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
15456         config/stormy16/stormy16.c: All callers of builtin_function
15457         changed.
15458
15459 2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>
15460
15461         PR target/16556
15462         * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
15463         Remove white space after the backslash.
15464
15465 2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15466
15467         PR rtl-optimization/16294
15468         * resource.c (return_insn_p): New predicate.
15469         (mark_target_live_regs): Use it.  Special-case return insns.
15470         (init_resource_info): Use it.  Don't scan the epilogue past
15471         a return.
15472
15473 2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
15474
15475         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
15476         destroy dominance information.
15477         * passes.c (rest_of_handle_loop2):  Free dominance information.
15478         * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
15479         jump threading.
15480         (thread_jumps): Update dominance information and remove unreachable
15481         blocks.
15482         * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
15483         information and remove the unreachable block.
15484
15485 2004-07-17  Graham Stott  <graham.stott@btinternet.com>
15486
15487         * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.
15488
15489 2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>
15490
15491         * doc/sourcebuild.texi: Remove libf2c entry.
15492
15493 2004-07-17  Paolo Bonzini  <bonzini@gnu.org>
15494
15495         * config/i386/i386.md (movv16qi_internal): Fix typo.
15496
15497 2004-07-17  Steven Bosscher  <stevenb@suse.de>
15498
15499         * final.c (final_scan_insn): Fix broken commit from previous
15500         patch.
15501
15502 2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>
15503
15504         * c-typeck.c (parser_build_binary_op): Condition warnings for
15505         X<=Y<=Z on -Wparentheses instead of -Wextra.
15506         * doc/invoke.texi: Update.  Document that most of -Wparentheses is
15507         supported for C only.
15508
15509 2004-07-17  Steven Bosscher  <stevenb@suse.de>
15510
15511         * cfgcleanup.c (try_simplify_condjump): Don't remove line
15512         notes to avoid unreachable code warnings.
15513         * toplev.c (backend_init): Don't emit line notes for
15514         unreachable code warnings.
15515
15516         * combine.c (distribute_notes): Don't distribute a
15517         REG_VTABLE_REF note.
15518         * final.c (final_scan_insn): Don't handle it.
15519         * rtl.c (reg_note_name): Remove it.
15520         * rtl.h (enum reg_node): Dito.
15521
15522         * emit-rtl.c (force_line_numbers, restore_line_number_status):
15523         Remove.
15524         * rtl.h (force_line_numbers, restore_line_number_status):
15525         Remove prototypes.
15526
15527         * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
15528         * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
15529         (using_eh_for_cleanups): Also moved here.
15530
15531         * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
15532         <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
15533         to expand_start_case and add_case_node.
15534         * stmt.c (struct nesting): Cleanup unused fields condition_code,
15535         last_unconditional_cleanup, nominal_type, printname, and
15536         line_number_status.
15537         (struct fixup_goto): Remove.
15538         (struct stmt_status): Remove x_goto_fixup_chain field.
15539         (goto_fixup_chain): Remove.
15540         (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
15541         pushcase, pushcase_range): Remove.
15542         (expand_start_bindings_and_block): Don't set unused fields in
15543         the nesting stack.
15544         (expand_start_case, add_case_node): Cleanup unused formal arguments.
15545         (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
15546         instead of emit_jump_if_reachable.
15547         (emit_case_nodes): Likewise.
15548         * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
15549         static.
15550         (update_eh_label): Work around left-over exception handing regions.
15551         * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
15552         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
15553         (pass_cleanup_cfg_post_optimizing): New pass.
15554         (init_tree_optimization_passes): Run the new pass after all
15555         optimizations.
15556         * tree.h (pushcase, pushcase_range): Remove prototypes.
15557         (expand_start_case, add_case_node): Update prototypes.
15558
15559 2004-07-16  Krister Walfridsson  <cato@df.lth.se>
15560
15561         * tree-inline.c (estimate_num_insns_1): Correct increase of count.
15562
15563 2004-07-16  Richard Henderson  <rth@redhat.com>
15564
15565         * builtins.c (std_expand_builtin_va_arg): Remove.
15566         (expand_builtin_va_arg): Remove.
15567         * expr.h: Don't declare them.
15568         * gimplify.c (mark_decls_volatile_r): Remove.
15569         (copy_if_shared_r): Don't call it.
15570         * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
15571         * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
15572         * gimple-low.c (lower_stmt): Likewise.
15573         * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
15574         * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
15575         * tree-ssa-operands.c (get_expr_operands): Likewise.
15576         * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
15577         EXPAND_BUILTIN_VA_ARG.
15578         * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
15579         * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
15580         config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
15581         config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.
15582
15583 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
15584
15585         * tree-ssa-pre.c (insert_aux): Break out if we hit
15586         a critical edge.
15587
15588 2004-07-16  Richard Henderson  <rth@redhat.com>
15589
15590         * basic-block.h (remove_fake_exit_edges): Declare.
15591         * cfganal.c (remove_fake_predecessors): Rename from
15592         remove_fake_successors; iterate over predecessors.
15593         (remove_fake_exit_edges): New.
15594         * cfgcleanup.c (try_optimize_cfg): Use it.
15595         * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
15596         * predict.c (estimate_probability): Likewise.
15597         (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
15598         * tree-cfg.c (make_edges): Likewise.
15599         * tree-ssa-pre.c (fini_pre): Likewise.
15600         * profile.c (instrument_edges): Don't remove_fake_edges.
15601         (branch_prob): Do it earlier here.
15602
15603 2004-07-16  Richard Henderson  <rth@redhat.com>
15604
15605         * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
15606         switchification wrt CONSTRUCTOR.  Document the reason.
15607
15608 2004-07-16  Frank Ch. Eigler  <fche@redhat.com>
15609
15610         * tree-mudflap.c (mf_file_function_line_tree): Correct typo
15611         that prevented descriptive __mf_check source location strings.
15612
15613 2004-07-16  Richard Henderson  <rth@redhat.com>
15614
15615         * tree-def (WITH_SIZE_EXPR): New.
15616         * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
15617         * expr.c (expand_expr_real_1): Likewise.
15618         * gimplify.c (maybe_with_size_expr): New.
15619         (gimplify_arg, gimplify_modify_expr): Use it.
15620         (gimplify_modify_expr_to_memcpy): Take size parameter.
15621         (gimplify_modify_expr_to_memset): Likewise.
15622         (gimplify_expr): Handle WITH_SIZE_EXPR.
15623         * tree-alias-common.c (find_func_aliases): Likewise.
15624         * tree-eh.c (tree_could_trap_p): Likewise.
15625         (tree_could_throw_p): Likewise.
15626         * tree-gimple.c (is_gimple_lvalue): Likewise.
15627         (get_call_expr_in): Likewise.
15628         * tree-inline.c (estimate_num_insns_1): Likewise.
15629         (expand_calls_inline): Likewise.
15630         * tree-nested.c (convert_call_expr): Likewise.
15631         * tree-pretty-print.c (dump_generic_node): Likewise.
15632         * tree-sra.c (sra_walk_expr): Likewise.
15633         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
15634         * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
15635         * tree-ssa-operands.c (get_expr_operands): Likewise.
15636         * tree-tailcall.c (find_tail_calls): Likewise.
15637
15638         * calls.c (expand_call): Reset old_stack_allocated after
15639         calling emit_stack_restore.
15640
15641 2004-07-16  Richard Henderson  <rth@redhat.com>
15642
15643         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
15644         lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
15645         * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
15646         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
15647         copy_res_decl_for_inlining.
15648
15649         * tree-inline.c (declare_return_variable): New modify_dest argument.
15650         Use it as the return value, when possible or manditory.  Handle
15651         TREE_ADDRESSABLE types.
15652         (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
15653         replacement of CALL_EXPR.
15654
15655 2004-07-16  Richard Henderson  <rth@redhat.com>
15656
15657         * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
15658         * gimple-low.c (expand_var_p): Don't check it.
15659         * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
15660         * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
15661         * tree-ssa-operands.c (add_stmt_operand): Likewise.
15662         * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
15663         (find_referenced_vars): Don't call them.
15664         * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.
15665
15666 2004-07-16  Richard Henderson  <rth@redhat.com>
15667
15668         * function.c (pass_by_reference): True for all variable sized types.
15669
15670 2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>
15671
15672         * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
15673         * tree-pretty-print.c: Include tree-chrec.h.
15674         (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
15675         and POLYNOMIAL_CHREC nodes.
15676
15677 2004-07-16  Steve Ellcey  <sje@cup.hp.com>
15678
15679         * builtins.c (expand_builtin_stpcpy): Do not create temporary
15680         reg with VOIDmode.
15681
15682 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
15683
15684         * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).
15685
15686 2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>
15687
15688         * config/s390/s390.md: Changed every occurence of BASE_REGISTER
15689         to BASE_REGNUM.
15690         * config/s390/s390.c: Likewise.
15691         * config/s390/s390.h: Likewise.
15692
15693 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15694
15695         * config/mips/mips.md (addsi3, adddi3): Remove special handling
15696         of $sp adds.  Remove REGNO checks from mips16 patterns.
15697
15698 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15699
15700         * config/mips/mips.md: Delete outdated comment.
15701
15702 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15703
15704         * config/mips/mips.c (get_float_compare_codes): Delete.
15705         (mips_emit_compare): New function, mostly extracted from
15706         get_float_compare_codes and gen_conditional_branch.
15707         (gen_conditional_branch, gen_conditional_move): Use it.
15708
15709 2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>
15710
15711         * genautomata.c (add_vect): Speedup by using integers as
15712         bit-vectors for walking through the comb_vect and finding
15713         a match.
15714
15715 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15716
15717         * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
15718         operand is an uns_arith_operand; use subtraction otherwise.
15719         * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
15720         not just arith_operands.
15721
15722 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15723
15724         * config/mips/mips-protos.h (gen_int_relational): Delete.
15725         (mips_emit_scc): Declare.
15726         * config/mips/mips.c (internal_test): Delete.
15727         (sle_operand, sleu_operand): New functions.
15728         (map_test_to_internal_test, gen_int_relational): Delete.
15729         (mips_emit_binary, mips_relational_operand_ok_p)
15730         (mips_emit_int_relational, mips_zero_if_equal)
15731         (mips_emit_scc): New functions.
15732         (gen_conditional_branch): Rework to use mips_emit_int_relational.
15733         * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
15734         sleu_operand.
15735         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
15736         (sltu, sleu): Use mips_emit_scc.
15737         (*sge_[sd]i, *sgeu_[sd]i): New patterns.
15738         (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
15739         (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.
15740
15741 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15742
15743         * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.
15744
15745 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15746
15747         * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
15748         (*sne_[sd]i): Likewise sne_[sd]i_zero.
15749         (*sgt_[sd]i): ...and sgt_[sd]i.
15750         (*slt_[sd]i): ...and slt_[sd]i.
15751         (*sgtu_[sd]i): ...and sgtu_[sd]i.
15752         (*sltu_[sd]i): ...and sltu_[sd]i.
15753         (*sleu_[sd]i): ...and sleu_[sd]i_const.
15754         Name previously unnamed mips16 patterns.  Formatting fixes.
15755
15756 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15757
15758         * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
15759         (branch_type): Delete.
15760         (gen_conditional_branch, gen_conditional_move)
15761         (mips_gen_conditional_trap): Update after name change.  Get the
15762         comparison mode from cmp_operands[0].
15763         * config/mips/mips.h (cmp_type, branch_type): Delete.
15764         (cmp_operands): Renamed from branch_cmp.
15765         * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
15766         name change.  Don't set branch_type.
15767         (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
15768         mode class of cmp_operands[0] rather than branch_type.  Update after
15769         name change.
15770
15771 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15772
15773         * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
15774         of 0...255 to 0 when inside a SET.
15775
15776 2004-07-16  Richard Sandiford  <rsandifo@redhat.com>
15777
15778         * config/mips/mips.md: Remove mips16 define_peepholes.
15779
15780 2004-07-16  Daniel Berlin  <dberlin@dberlin.org>
15781
15782         * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
15783         (fini_pre): Remove fake edges.
15784
15785 2004-07-15  Richard Henderson  <rth@redhat.com>
15786
15787         * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
15788         (get_indirect_ref_operands, get_call_expr_operands): ... these.
15789
15790 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
15791
15792         * vec.h (VEC_address): New function.
15793
15794 2004-07-14  Jason Merrill  <jason@redhat.com>
15795
15796         PR middle-end/15885
15797         * gimplify.c (gimplify_arg): New fn, split out from...
15798         (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.
15799
15800 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
15801
15802         * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
15803         generate code which is generated by pushqi1 now
15804         * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.
15805
15806 2004-07-15  Roman Zippel  <zippel@linux-m68k.org>
15807
15808         * combine.c (simplify_set): match the mode of the constant 0 with
15809         the tested operand to match the compare behaviour and the
15810         simplify_relational_operation() expectation.
15811
15812 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
15813
15814         * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
15815         ("bordered"): Same.
15816
15817 2004-07-15  Aldy Hernandez  <aldyh@redhat.com>
15818
15819         * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
15820         unconditionally.
15821         * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.
15822
15823 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
15824
15825         * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
15826         calls in mips16 code.
15827
15828 2004-07-15  Richard Sandiford  <rsandifo@redhat.com>
15829
15830         * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
15831         the destination of the li as well as for the neg.
15832
15833 2004-07-15  Frank Ch. Eigler  <fche@redhat.com>
15834
15835         g++/15861
15836         * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
15837         * cgraph.h: Update declaration.
15838         * c-decl.c (build_cdtor): Update call with default priority.
15839         * coverage.c (create_coverage): Ditto.
15840         * tree-mudflap.c (mf_init_fndecl): New tree.
15841         (mudflap_init): Set it.
15842         (mudflap_register_call): Arrange to call __mf_init before the first
15843         __mf_register call.
15844         (mudflap_finish_file): Mark the mudflap static initializer as extra
15845         high priority, to beat all C++ static constructors.
15846
15847 2004-07-15  Jeff Law  <law@redhat.com>
15848
15849         * loop.c (check_insn_for_givs): Restore check for code labels that was
15850         accidentally deleted by a recent checkin.
15851
15852 2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>
15853
15854         * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
15855         (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.
15856
15857 2004-07-14  Richard Henderson  <rth@redhat.com>
15858
15859         * print-tree.c (print_node): Fix casts last change.
15860
15861 2004-07-15  Paul Brook  <paul@codesourcery.com>
15862
15863         * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
15864         to TARGET_UNWIND_INFO.
15865         * except.c (output_function_exception_table): Ditto.
15866         * except.h: Ditto.
15867         * opts.c (decode_options): Ditto.
15868         * passes.c (rest_of_handle_final): Ditto.
15869         * final.c (final_start_function): Ditto.
15870         (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
15871         target hook.
15872         * targhooks.h (default_unwind_emit): Declare.
15873         * targhooks.c (default_unwind_emit): New function.
15874         * target-def.h: Define and use TARGET_UNWIND_EMIT.
15875         * target.h (struct gcc_target): Add unwind_emit.
15876         * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
15877         * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
15878         Remove IA64_UNWIND_EMIT.
15879         * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.
15880
15881 2004-07-14  Richard Henderson  <rth@redhat.com>
15882
15883         * print-tree.c (print_node): Handle SSA_NAME.
15884
15885 2004-07-14  James E Wilson  <wilson@specifixinc.com>
15886
15887         PR target/16325
15888         * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
15889         and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.
15890
15891 2004-07-15  Jakub Jelinek  <jakub@redhat.com>
15892
15893         * expr.c (expand_assignment): Reenable bitfield += optimizations.
15894         Use alias set 0 for memory, do proper mode calculations and adjust
15895         address for memories.
15896
15897 2004-07-14  Per Bothner  <per@bothner.com>
15898
15899         * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
15900         structure with extra column field.
15901         * tree.c (expand_location):  Also fill in column field.
15902         * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
15903         gets confused by the two conditionally-compiled definitions.
15904
15905 2004-07-14  Eric Christopher  <echristo@redhat.com>
15906
15907         * calls.c (expand_call): Fix typo in comment.
15908
15909 2004-07-14  Steve Ellcey  <sje@cup.hp.com>
15910
15911         * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
15912         comparision of TFmode.
15913
15914 2004-07-14  Richard Henderson  <rth@redhat.com>
15915
15916         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
15917         (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
15918         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
15919         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
15920         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
15921         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
15922         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
15923         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
15924         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
15925
15926 2004-07-14  Mike Stump  <mrs@apple.com>
15927
15928         * config/darwin.h (WINT_TYPE): Define to be int to match
15929         system header files.
15930
15931 2004-07-14  Bob Wilson  <bob.wilson@acm.org>
15932
15933         * config/xtensa/xtensa.c (function_arg_advance): Check for args
15934         that must be passed in the stack.
15935         (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
15936         arguments if the size is not a constant.
15937
15938 2004-07-14  Per Bothner  <per@bothner.com>
15939
15940         * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
15941         instead of EXPR_LOCUS in a boolean context, which is always true
15942         if --enable-mapped-location.
15943         * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.
15944
15945 2004-07-14  Richard Henderson  <rth@redhat.com>
15946
15947         * dominance.c (struct dom_info): Add fake_exit_edge.
15948         (init_dom_info): Allocate it.
15949         (free_dom_info): Free it.
15950         (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
15951         in two passes.
15952         (calc_idoms): Honor fake_exit_edge.
15953
15954 2004-07-13  Jason Merrill  <jason@redhat.com>
15955
15956         * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
15957         (rhs_test_for): New fn.
15958         (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
15959         * tree-gimple.h: Declare them.
15960         * gimplify.c (gimplify_modify_expr): Use the new fns.
15961
15962 2004-07-14  Richard Henderson  <rth@redhat.com>
15963
15964         * config/arm/arm-protos.h (arm_va_arg): Remove.
15965         * config/arm/arm.c (arm_va_arg): Remove.
15966         (arm_init_expanders): Fix alignment of arg_pointer_rtx.
15967         * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.
15968
15969 2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15970
15971         * pa.c (fix_range): New function to mark a range(s) of registers as
15972         fixed registers.
15973         (override_options): Call fix_range if the -mfixed-range option string
15974         is not empty.
15975         * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
15976         * doc/invoke.texi (-mfixed-range): Document new option.
15977
15978 2004-07-14  David Edelsohn  <edelsohn@gnu.org>
15979
15980         * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
15981         for TARGET_64BIT.
15982         (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.
15983
15984 2004-07-14  Roger Sayle  <roger@eyesopen.com>
15985
15986         * expmed.c (expand_sdiv_pow2): New function to expand signed division
15987         by a positive power of two, split out from expand_divmod.  Provide
15988         an alternate implementation when shifts are expensive.  Lower the
15989         threshold for using a branchless implementation to BRANCH_COST >= 2.
15990         (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.
15991
15992 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
15993
15994         * tree-dfa.c (make_rename_temp): *Really* work just
15995         like create_tmp_var if called while outside SSA form.
15996
15997 2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
15998
15999         * config/s390/s390.md ("udivsi3"): Ensure trap is generated
16000         for division by zero.
16001         ("umodsi3"): Likewise.
16002
16003 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
16004
16005         * config/mips/mips.c (mips_output_move): When generating mips16 code,
16006         force loads of negative constants to be split.
16007         * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
16008         Generalize SImode li/neg splitter to cope with other modes.
16009
16010 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16011
16012         * expmed.c: Remove more references to QUEUED in the comments.
16013         * expr.c: Likewise.
16014
16015 2004-07-14  Richard Sandiford  <rsandifo@redhat.com>
16016
16017         Revert:
16018         2004-07-13  Richard Henderson  <rth@redhat.com>
16019         * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
16020         correctly.
16021
16022 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16023
16024         * tree-dfa.c (make_rename_temp): Work just like
16025         create_tmp_var if called while outside SSA form.
16026
16027 2004-07-14  Paolo Bonzini  <bonzini@gnu.org>
16028
16029         * expr.c (enqueue_insn, finish_expr_for_function,
16030         protect_from_queue, queued_subexp_p, mark_queue,
16031         emit_insns_enqueued_after_mark, emit_queue,
16032         expand_increment): Remove.
16033         (store_constructor): Expand increment as an assignment.
16034         (expand_expr_real_1 <case PREINCREMENT_EXPR,
16035         case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
16036         case POSTDECREMENT_EXPR>): Abort.
16037         * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
16038         QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
16039         protect_from_queue, emit_queue, queued_subexp_p): Remove.
16040         * function.h (pending_chain, x_pending_chain): Remove.
16041         * rtl.def (QUEUED): Remove.
16042
16043         * emit-rtl.c (copy_insn_1, copy_most_rtx,
16044         set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
16045         * genattrtab.c (attr_copy_rtx, clear_struct_flag,
16046         encode_units_mask): Likewise.
16047         * local-alloc.c (equiv_init_varies_p): Likewise.
16048         * rtl.c (copy_rtx): Likewise.
16049         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
16050         * simplify-rtx.c (simplify_gen_subreg): Likewise.
16051         * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.
16052
16053         * builtins.c (expand_builtin, expand_builtin_apply,
16054         expand_builtin_mathfn, expand_builtin_mathfn_2,
16055         expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
16056         Remove calls to emit_queue and protect_from_queue.
16057         * calls.c (expand_call, precompute_arguments,
16058         precompute_register_parameters, rtx_for_function_call,
16059         store_one_arg): Likewise.
16060         * dojump.c (do_compare_and_jump, do_jump): Likewise.
16061         * explow.c (memory_address): Likewise.
16062         * expmed.c (clear_by_pieces_1, clear_storage,
16063         clear_storage_via_libcall, emit_group_load,
16064         emit_group_store, emit_store_flag,
16065         expand_expr_real_1, store_by_pieces,
16066         store_constructor, store_expr, try_casesi,
16067         try_tablejump): Likewise.
16068         * function.c (expand_pending_sizes): Likewise.
16069         * optabs.c (emit_cmp_and_jump_insns,
16070         emit_conditional_add, emit_conditional_move,
16071         expand_fix, expand_float, prepare_cmp_insn): Likewise.
16072         * stmt.c (emit_case_bit_tests,
16073         expand_asm_expr, expand_computed_goto,
16074         expand_decl_init, expand_end_case_type,
16075         expand_end_stmt_expr, expand_expr_stmt_value,
16076         expand_return, expand_start_case,
16077         optimize_tail_recursion): Likewise.
16078         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
16079         * config/s390/s390.c (s390_expand_cmpmem): Likewise.
16080
16081 2004-07-14  Ben Elliston  <bje@au.ibm.com>
16082
16083         * vec.h: Comment fix.
16084
16085 2004-07-13  Richard Henderson  <rth@redhat.com>
16086
16087         * target.h (struct gcc_target): Add calls.pass_by_reference.
16088         * target-def.h (TARGET_PASS_BY_REFERENCE): New.
16089         * function.c (pass_by_reference): Use the hook.
16090         * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
16091         * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
16092         (hook_pass_by_reference_must_pass_in_stack): New.
16093         * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
16094         (alpha_pass_by_reference): New.
16095         (TARGET_PASS_BY_REFERENCE): New.
16096         * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16097         * config/arc/arc.c (arc_pass_by_reference): New.
16098         (TARGET_PASS_BY_REFERENCE): New.
16099         * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16100         (FUNCTION_ARG_CALLEE_COPIES): True.
16101         * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
16102         * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
16103         (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
16104         * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16105         * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16106         * config/cris/cris.c (cris_pass_by_reference): New.
16107         (TARGET_PASS_BY_REFERENCE): New.
16108         * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
16109         (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
16110         (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16111         * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
16112         * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16113         * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
16114         * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
16115         (frv_function_arg_pass_by_reference): Remove.
16116         * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16117         * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
16118         * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
16119         (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
16120         * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16121         * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
16122         * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
16123         (ia64_pass_by_reference): Rename from
16124         ia64_function_arg_pass_by_reference.
16125         * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16126         * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16127         * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
16128         * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
16129         (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
16130         * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16131         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16132         * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
16133         * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
16134         (m32r_pass_by_reference): Adjust prototype.  Make static.
16135         Handle mode sizes correctly.
16136         * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16137         * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
16138         (m68hc11_function_arg_pass_by_reference): Remove.
16139         * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16140         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16141         * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
16142         * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16143         * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
16144         * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
16145         (mips_va_arg): Use pass_by_reference.
16146         (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
16147         Handle mode sizes correctly.
16148         * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16149         (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
16150         * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
16151         * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
16152         (mmix_pass_by_reference): Rename from
16153         mmix_function_arg_pass_by_reference.
16154         * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16155         (FUNCTION_ARG_CALLEE_COPIES): True.
16156         * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
16157         (mn10300_pass_by_reference): New.
16158         * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16159         (FUNCTION_ARG_CALLEE_COPIES): True.
16160         * config/pa/pa.c (pa_pass_by_reference): New.
16161         (TARGET_PASS_BY_REFERENCE): New.
16162         * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16163         (FUNCTION_ARG_CALLEE_COPIES): True.
16164         * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
16165         * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
16166         (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
16167         * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16168         * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
16169         * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
16170         (s390_pass_by_reference): Rename from
16171         s390_function_arg_pass_by_reference.
16172         (s390_function_arg_advance): Don't query pass-by-ref.
16173         (s390_function_arg): Likewise.
16174         (s390_gimplify_va_arg): Use pass_by_reference.
16175         (s390_call_saved_register_used): Likewise.
16176         * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16177         * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
16178         (shcompact_byref, sh_pass_by_reference): New.
16179         * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16180         (SHCOMPACT_BYREF): Remove.
16181         * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
16182         * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
16183         (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
16184         (sparc_gimplify_va_arg): Use pass_by_reference.
16185         * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16186         * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16187         * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
16188         (v850_pass_by_reference): New.
16189         * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16190         (FUNCTION_ARG_CALLEE_COPIES): True.
16191         * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
16192         FUNCTION_ARG_PASS_BY_REFERENCE docs.
16193
16194 2004-07-14  Richard Henderson  <rth@redhat.com>
16195             Richard Sandiford  <rsandifo@redhat.com>
16196
16197         * config/mips/mips-protos.h (mips_va_arg): Delete.
16198         * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
16199         * config/mips/mips.c: Include tree-gimple.h.
16200         (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
16201         (mips_arg_info): Remove special handling of must_pass_in_stck args.
16202         (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
16203         (function_arg_pass_by_reference): Return true if must_pass_in_stack.
16204
16205 2004-07-13  Bob Wilson  <bob.wilson@acm.org>
16206
16207         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
16208         arguments for COND_EXPR in big-endian adjustment code.
16209
16210 2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16211
16212         * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
16213         * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
16214         * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
16215         * pa64-regs.h (REG_ALLOC_ORDER): Likewise.
16216
16217 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
16218
16219         PR tree-optimization/16443
16220         * tree-ssa-alias.c: Add more description for
16221         CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
16222         * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
16223         clobbering of call-clobbered and addressable variables.  If
16224         there are any before aliases have been computed, add them.
16225
16226 2004-07-13  Diego Novillo  <dnovillo@redhat.com>
16227
16228         * tree-optimize.c (execute_todo): Flush DUMP_FILE before
16229         verification.
16230
16231 2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>
16232
16233         * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
16234         of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
16235         to the same type.
16236
16237 2004-07-13  Per Bothner  <per@bothner.com>
16238
16239         * collect2.c (main):  Handle --no-demangle and --demangle flags.
16240
16241 2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>
16242
16243         * Makefile.in (OBJS-common): Add tree-data-ref.o.
16244         (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
16245         (tree-data-ref.o): New rule.
16246         * lambda.h: New file.
16247         * tree-data-ref.c: New file.
16248         * tree-data-ref.h: New file.
16249         * tree.c (int_cst_value, tree_fold_gcd): New functions.
16250         * tree.h (int_cst_value, tree_fold_gcd): Declared here.
16251
16252 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
16253
16254         PR target/13926
16255         * config/sparc/sparc-protos.h (output_ubranch): New prototype.
16256         * config/sparc/sparc.c (output_ubranch): New function.
16257         * config/sparc/sparc.md (jump pattern): Use it.
16258
16259 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
16260
16261         PR target/16494
16262         * config/sparc/sparc.c (output_cbranch): Properly guard
16263         the code handling far branches with TARGET_V9.
16264         * config/sparc/sparc.md (length attribute): Document the
16265         side-effect of having a length greater or equal to 3.
16266
16267 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
16268             Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>
16269
16270         PR target/15186
16271         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
16272         /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.
16273
16274 2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
16275             Martin Sebor  <sebor@roguewave.com>
16276
16277         PR target/12602
16278         * doc/invoke.texi (SPARC options): Document -threads
16279         and -pthreads on Solaris.
16280
16281 2004-07-13  Richard Henderson  <rth@redhat.com>
16282
16283         * builtins.c (std_gimplify_va_arg_expr): Handle types passed
16284         by reference.
16285         (ind_gimplify_va_arg_expr): Remove.
16286         * tree.h (ind_gimplify_va_arg_expr): Remove.
16287         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
16288         * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
16289         argsp to be null.
16290
16291         * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
16292         (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
16293         * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
16294         config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
16295         config/mn10300/mn10300.c, config/v850/v850.c: Similarly.
16296
16297 2004-07-13  Richard Henderson  <rth@redhat.com>
16298
16299         * function.c (pass_by_reference): New.
16300         (assign_parm_find_data_types): Use it.
16301         * calls.c (initialize_argument_information): Likewise.
16302         (emit_library_call_value_1): Likewise.
16303         * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
16304         * function.h (pass_by_reference): Declare.
16305
16306 2004-07-13  Richard Henderson  <rth@redhat.com>
16307
16308         * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
16309         * target.h (struct gcc_target): Add calls.must_pass_in_stack.
16310         * expr.h (MUST_PASS_IN_STACK): Remove.
16311         * system.h (MUST_PASS_IN_STACK): Poison.
16312         * tree.h (must_pass_in_stack_var_size): Declare.
16313         (must_pass_in_stack_var_size_or_pad): Declare.
16314         * calls.c (must_pass_in_stack_var_size): New.
16315         (must_pass_in_stack_var_size_or_pad): Rename from
16316         default_must_pass_in_stack.
16317         * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
16318         (TARGET_MUST_PASS_IN_STACK): New.
16319         * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
16320         * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
16321         (TARGET_MUST_PASS_IN_STACK): New.
16322         * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
16323         * config/frv/frv.c (frv_must_pass_in_stack): New.
16324         (TARGET_MUST_PASS_IN_STACK): New.
16325         * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
16326         * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
16327         * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
16328         (ix86_must_pass_in_stack): Make static.
16329         * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
16330         * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
16331         * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
16332         * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
16333         * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
16334         * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
16335         * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
16336         (mcore_must_pass_on_stack): Remove.
16337         * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
16338         * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
16339         * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
16340         * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
16341         * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
16342         * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
16343         * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
16344         * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
16345         (TARGET_MUST_PASS_IN_STACK): New.
16346         * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
16347         * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
16348         * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
16349         * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
16350         * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
16351         * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
16352         * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
16353         MUST_PASS_IN_STACK.
16354
16355         * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
16356         config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
16357         config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
16358         config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
16359         config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
16360         config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
16361         config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
16362         config/xtensa/xtensa.c: Use target hook.
16363
16364 2004-07-13  Anthony Heading  <aheading@jpmorgan.com>
16365
16366         * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
16367         * configure: Rebuilt.
16368
16369 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
16370
16371         * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
16372         * config/mips/mips.h (mips_reg_names): Don't declare.
16373         (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
16374         (TARGET_NAME_REGS): Delete.
16375         (TARGET_SWITCHES): Remove -mrnames.
16376         (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
16377         (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
16378         in REGISTER_NAMES.
16379         * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
16380         (override_options): Remove handling of TARGET_NAME_REGS.
16381
16382 2004-07-13  Richard Sandiford  <rsandifo@redhat.com>
16383
16384         * config/mips/mips.h (TARGET_*): Boolify.
16385
16386 2004-07-12  Nick Clifton  <nickc@redhat.com>
16387
16388         * config.gcc: Add sh-*-symbianelf target.
16389         * config/sh/sh.c: Add new target macros:
16390         TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
16391         TARGET_CXX_IMPORT_EXPORT_CLASS.
16392         (sh_file_start): Create a definition of the .directive section.
16393         (sh_attribute): Add dllimport and dllexport attributes.
16394         * config/sh/symbian-pre.h: New file.
16395         * config/sh/symbian-post.h: New file.
16396         * config/sh/symbian.c: New file. Contains Symbian specific
16397         functions.
16398         * config/sh/sh-protos.h: Add prototypes for new functions
16399         provided by symbian.c.
16400         * config/sh/t-symbian: New file.
16401         * doc/extend.texi: Document support for dllimport and dllexport
16402         attributes by the sh-symbianelf target.
16403
16404 2004-07-12  James E Wilson  <wilson@specifixinc.com>
16405
16406         * Makefile.in (AR): Use @AR@ not ar.
16407         (NM): New.
16408         (AR_FOR_TARGET): Use $(AR) not ar for native.
16409         (NM_FOR_TARGET): Use $(NM) not nm for native.
16410         * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
16411         * configure: Regenerate.
16412
16413 2004-07-12  David S. Miller  <davem@nuts.davemloft.net>
16414
16415         * config/sparc/sparc.md (ashlsi3): Eliminate const 1
16416         special case.
16417         (ashldi3_sp64): Likewise.
16418
16419 2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16420
16421         PR target/16477
16422         * pa.c (function_arg): Update comment.
16423         * pa.h (BLOCK_REG_PADDING): Define.
16424
16425 2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16426
16427         PR tree-optimization/16461
16428         * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
16429         arguments of phi nodes.
16430
16431 2004-07-12  Devang Patel  <dpatel@apple.com>
16432
16433         * doc/invoke.texi (Darwin Options): Document -gused and -gfull.
16434
16435 2004-07-12  Steve Ellcey  <sje@cup.hp.com>
16436
16437         * function.c (expand_function_start): Ensure r_save is in Pmode.
16438         * calls.c (prepare_call_address): Ensure static_chain_value is
16439         in Pmode.
16440         * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
16441         r_save_area are in Pmode.
16442         * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
16443         fnaddr, and static_chain are in Pmode.
16444
16445 2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>
16446
16447         PR target/16445
16448         * config/ia64/ia64.c (bundling): Don't count ignored insns.
16449
16450 2004-07-12  Richard Henderson  <rth@redhat.com>
16451
16452         * target.h (struct gcc_target): Move gimplify_va_arg_expr
16453         next to build_builtin_va_list.
16454         * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
16455         * builtins.c (gimplify_va_arg_expr): Likewise.
16456         * gimplify.c (copy_if_shared_r): Likewise.
16457
16458 2004-07-12  Alexandre Oliva  <aoliva@redhat.com>
16459
16460         * passes.c (rest_of_decl_compilation): Don't defer call of
16461         assemble_variable if its DECL_RTL is already set.
16462
16463 2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>
16464
16465         * cfgloop.h (struct loop): Add nb_iterations field.
16466         (current_loops): Declare.
16467         * tree-chrec.c (chrec_not_analyzed_yet,
16468         chrec_dont_know, chrec_known, count_ev_in_wider_type,
16469         chrec_contains_symbols_defined_in_loop): Remove the temporary
16470         hooks.
16471         * tree-flow-inline.h (loop_containing_stmt): New function.
16472         * tree-scalar-evolution.c: Add implementation.
16473         * tree-scalar-evolution.h: Add declarations.
16474
16475 2004-07-12 Vladimir Makarov <vmakarov@redhat.com>
16476
16477         PR rtl-optimization/15921
16478         * Makefile.in (global.o): Add recog.h.
16479
16480         * global.c (recog.h): Add the include-clause.
16481         (bb_info): New member earlyclobber.
16482         (allocate_bb_info, free_bb_info): Initialize/finish the new
16483         member.
16484         (earlyclobber_regclass, earlyclobber_regclass_length): The new
16485         global variables.
16486         (check_earlyclobber, regclass_intersect,
16487         mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
16488         New functions.
16489         (calculate_local_reg_bb_info): Calculate value of earlyclobber.
16490         (make_accurate_live_analysis): Modify pavin.
16491
16492 2004-07-12  Diego Novillo  <dnovillo@redhat.com>
16493
16494         * tree-cfg.c (find_taken_edge): Statically compute the truth
16495         value of a predicate comparing an SSA_NAME to itself.
16496
16497 2004-07-12  Roger Sayle  <roger@eyesopen.com>
16498
16499         * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
16500         rs6000 doesn't have shift-and-add or shift-and-sub instructions
16501         by returning the cost of a multiplication plus an addition.
16502
16503 2004-07-12  Paolo Bonzini  <bonzini@gnu.org>
16504
16505         PR tree-optimization/14107
16506         * gimplify.c (gimplify_return_expr): Accept a
16507         RETURN_EXPR with an error argument.
16508         * tree-optimize.c (init_tree_optimization_passes):
16509         Run pass_warn_function_return at -O0.
16510
16511 2004-07-12  Roger Sayle  <roger@eyesopen.com>
16512
16513         * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
16514         index entry.
16515
16516 2004-07-12  Richard Sandiford  <rsandifo@redhat.com>
16517
16518         * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
16519         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
16520         * config/mips/3000.md: Add copyright notice.  Remove automota and
16521         function units; use generic ones instead.  Only define reservations
16522         for things that are different from generic.md.  Extend each clause
16523         to include r3900.
16524         * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
16525         * config/mips/mips.md: Include them. Remove define_function_units.
16526         (alu, imuldiv): New automata and units.
16527
16528 2004-07-12  Ben Elliston  <bje@au.ibm.com>
16529
16530         * doc/invoke.texi (Optimize Options): Document -frename-registers
16531         not being enabled by default at -O3.
16532
16533 2004-07-11  Roger Sayle  <roger@eyesopen.com>
16534
16535         * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
16536         floating point additions, to keep real immediate constant positive.
16537         <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
16538         into X + C, and leave positive real constants as X - C.
16539
16540 2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16541
16542         * pa.c (hppa_gimplify_va_arg_expr): Remove comment.
16543
16544 2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16545
16546         PR tree-optimization/15654
16547         * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.
16548
16549 2004-07-11  Roger Sayle  <roger@eyesopen.com>
16550
16551         * builtins.c (fold_builtin_fputs): Don't bother converting the
16552         return type to integer_type_node, as we've already checked that
16553         the result will be ignored.
16554
16555         * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
16556         that signed addition, subtraction, multiplication, division,
16557         remainder, negation and absolute value may potentially trap.
16558
16559         * fold-const.c (fold_ignored_result): New function to strip
16560         non-side-effecting tree nodes from an expression whose result
16561         is ignored.
16562         (fold_convert): Call fold_ignored_result when casting a value
16563         to VOID_TYPE.
16564         (omit_one_operand):  Call fold_ignored_result on the "omitted"
16565         operand when building a COMPOUND_EXPR.
16566         (pedantic_omit_one_operand): Likewise.
16567         * tree.h (fold_ignored_result): Prototype here.
16568         * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
16569         when we're going to ignore the result.
16570
16571 2004-07-11  Richard Henderson  <rth@redhat.com>
16572
16573         PR tree-opt/16383
16574         * tree-ssa-ccp.c (fold_stmt_r): Split out...
16575         * tree.c (fields_compatible_p, find_compatible_field): ... new.
16576         * tree.h (fields_compatible_p, find_compatible_field): Declare.
16577         * tree-sra.c (sra_hash_tree): Hash fields by offset.
16578         (sra_elt_eq): Use fields_compatible_p.
16579         (generate_one_element_ref): Use find_compatible_field.
16580
16581 2004-07-11  Richard Henderson  <rth@redhat.com>
16582
16583         PR tree-opt/16422
16584         * tree-sra.c (generate_one_element_init): New.
16585         (generate_element_init): Use it.
16586         (scalarize_init): Push/pop gimplify context around it.
16587         (find_new_referenced_vars_1, find_new_referenced_vars): New.
16588         * gimplify.c (gimplify_expr): Allow SSA_NAME.
16589
16590 2004-07-11  Roger Sayle  <roger@eyesopen.com>
16591
16592         * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
16593         combine.c's combine_insn_cost.
16594         * rtl.h (insn_rtx_cost): Prototype here.
16595         * combine.c (combine_insn_cost): Delete function.
16596         (combine_validate_cost): Update callers of combine_insn_cost to
16597         call insn_rtx_cost instead.
16598         (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
16599         requesting the rtx_cost of call and/or jump instructions.
16600
16601         * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
16602         rtx_cost directly.  Don't request/use the cost of call or jump
16603         instructions.  Return -1 if the cost of any instruction can't be
16604         determined (or the BB contains a function call).
16605         (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
16606         -1 (i.e. can't determine the cost of any instruction or the basic
16607         block contains a subroutine call).
16608         (find_if_case_2): Likewise.
16609
16610 2004-07-11  Roger Sayle  <roger@eyesopen.com>
16611
16612         * rs6000.c (struct processor_costs): Change semantics of fields to
16613         include the COST_N_INSNS scaling, and update all initializers.
16614         (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
16615         Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
16616         Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
16617         optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.
16618
16619 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
16620
16621         * LANGUAGES: Remove obsolete information.
16622
16623 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
16624
16625         * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
16626         SIGBUS signal frames, the PSW address points *to* the faulting
16627         instruction, not after it.
16628
16629 2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
16630
16631         * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
16632         added to TLS symbol addresses.
16633
16634 2004-07-11  Richard Henderson  <rth@redhat.com>
16635
16636         * expmed.c (init_expmed): Use stack-local structures for
16637         temporary rtl.  Don't recognize shifts.
16638
16639 2004-07-11  Richard Henderson  <rth@redhat.com>
16640
16641         * expr.c (store_expr): Don't fiddle subreg promotion for types
16642         with precision smaller than the mode.
16643
16644 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
16645
16646         * tree.h (all_types_permanent): Remove.
16647
16648 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
16649
16650         * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
16651         maybe_build_cleanup, update_decl_after_saving): Remove hooks.
16652         * langhooks.c (lhd_clear_binding_stack): Remove.
16653         * langhooks-def.h (lhd_clear_binding_stack,
16654         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
16655         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
16656         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
16657         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
16658         (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
16659         * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
16660         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
16661         LANG_HOOKS_MAYBE_BUILD_CLEANUP,
16662         LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
16663         * tree.h (poplevel): Don't declare.
16664         * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
16665         LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
16666         * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
16667         LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
16668         Remove.
16669
16670 2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>
16671
16672         PR tree-optimization/16437
16673         * c-common.c (shorten_compare): Don't mark result of conversion to
16674         narrower signed type as overflowing.
16675         * fold-const.c (decode_field_reference): Determine whether
16676         signedness comes from outer type using precision rather than size.
16677
16678 2004-07-11  Phil Edwards  <phil@codesourcery.com>
16679
16680         * configure.ac:  Alphabetize --enable-checking list, add
16681         missing valgrind entry.
16682         * configure:  Regenerate.
16683
16684 2004-07-11  Phil Edwards  <phil@codesourcery.com>
16685
16686         * doc/install.texi (Testing):  Fix syntax in "make check" example.
16687
16688 2004-07-10  James E Wilson  <wilson@specifixinc.com>
16689
16690         * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.
16691
16692 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16693
16694         PR rtl-optimization/16001
16695         * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
16696         niter_expr.
16697
16698 2004-07-10  Geoffrey Keating  <geoffk@apple.com>
16699
16700         * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.
16701
16702 2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
16703             James Morrison  <phython@gcc.gnu.org>
16704
16705         * doc/contrib.texi (Contributors): Add gfortran contributors and
16706         fix a couple of typos.
16707
16708 2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16709
16710         PR rtl-optimization/15387
16711         * calls.c (check_sibcall_argument_overlap_1): Handle pointers
16712         to incoming args space correctly.
16713
16714 2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16715
16716         * pa.c (output_indirect_call): Only use %r2 as the link register in
16717         indirect calls with the long PA 2.0 pc-relative branch.
16718
16719 2004-07-10  Daniel Jacobowitz  <dan@debian.org>
16720
16721         * config/i386/i386.c (override_options): Pick a 64-bit CPU
16722         for the default tuning if TARGET_64BIT.
16723
16724 2004-07-10  Richard Henderson  <rth@redhat.com>
16725
16726         * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
16727         to HOST_WIDE_INT.  Fold pad-args-down arithmetic.
16728
16729 2004-07-10  Jakub Jelinek  <jakub@redhat.com>
16730
16731         * expr.h (store_bit_field, extract_bit_field): Remove last argument.
16732         * expmed.c (store_bit_field, extract_bit_field): Remove last
16733         argument.
16734         * builtins.c (expand_builtin_signbit): Adjust callers.
16735         * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
16736         * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
16737         * ifcvt.c (noce_emit_move_insn): Likewise.
16738         * stmt.c (expand_return): Likewise.
16739         * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
16740         store_field, expand_expr_real_1): Likewise.
16741
16742 2004-07-10  Richard Henderson  <rth@redhat.com>
16743
16744         * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.
16745
16746 2004-07-09  Mike Stump  <mrs@apple.com>
16747
16748         * config/darwin.c (no_dead_strip): Add.
16749         (HAVE_DEAD_STRIP): Add.
16750         (darwin_emit_unwind_label): Ensure that we don't dead code strip
16751         the .eh label.
16752
16753 2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
16754
16755         * tree-ssa-loop-im.c: New file.
16756         * Makefile.in (tree-ssa-loop-im.o): Add.
16757         * cfgloop.c (superloop_at_depth): New function.
16758         * cfgloop.h (superloop_at_depth): Declare.
16759         * common.opt (ftree-lim): New flag.
16760         * expr.c (array_ref_up_bound): New function.
16761         * params.def (PARAM_LIM_EXPENSIVE): New parameter.
16762         * timevar.def (TV_LIM): New timevar.
16763         * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
16764         computing immediate uses of a phi node.
16765         * tree-flow.h (struct tree_ann_common_d): Add aux field.
16766         (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
16767         * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
16768         * tree-pass.h (pass_lim): Declare.
16769         * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
16770         functions.
16771         (pass_lim): New pass structure.
16772         * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
16773         * tree.c (in_array_bounds_p): New function.
16774         * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
16775         (in_array_bounds_p, array_ref_up_bound): Declare.
16776         * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
16777         * doc/passes.texi (tree-ssa-loop-im.c): Document.
16778
16779 2004-07-09  Richard Henderson  <rth@redhat.com>
16780
16781         * builtins.c (expand_builtin_stpcpy): Don't modify len.
16782
16783         * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
16784         with prejudice.
16785
16786 2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>
16787
16788         * flags.h: Delete redundant prototypes that are being generated
16789         in options.h from common.opt.
16790         * common.opt: Add in the expository comments formerly in flags.h.
16791
16792 2004-07-09  Jan Beulich  <jbeulich@novell.com>
16793
16794         * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
16795         available for use only when TARGET_MMX/_SSE is set, and check for
16796         variable argument function if any register count is non-zero.
16797         (function_arg): Correctly suppress repeated warnings for passing SSE
16798         vectors are arguments without SSE enabled.
16799         (ix86_function_arg_boundary): Without SSE enabled, the use of what
16800         would be SSE register modes does no longer influence the alignment.
16801
16802 2004-07-09  Richard Henderson  <rth@redhat.com>
16803
16804         * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
16805         Always align upward to arg boundary.  Use size_in_bytes/round_up.
16806         Maintain type-correctness of constants.
16807         * stor-layout.c (round_up, round_down): Special-case powers of 2.
16808
16809 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
16810
16811         * config/sparc/sparc.c (*_costs): Scale instruction costs
16812         by COSTS_N_INSNS.
16813         (sparc_rtx_costs): Adjust as appropriate.
16814
16815 2004-07-09  Jan Beulich  <jbeulich@novell.com>
16816
16817         * config/i386/mm3dnow.h: New.
16818         * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.
16819
16820 2004-07-09  Richard Henderson  <rth@redhat.com>
16821
16822         * simplify-rtx.c (simplify_const_relational_operation): Only
16823         look at bounds of scalar integers.
16824
16825 2004-07-09  Jan Beulich  <jbeulich@novell.com>
16826
16827         * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.
16828
16829 2004-07-09  Andrew Pinski  <apinski@apple.com>
16830
16831         * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
16832         always referenced.
16833         (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
16834         UOBJC_METACLASS_decl.
16835
16836 2004-07-09  James E Wilson  <wilson@specifixinc.com>
16837
16838         PR target/16364
16839         * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
16840         do return a parallel if hfa_mode == XFmode and mode == TImode.
16841
16842 2004-07-09  Jan Beulich  <jbeulich@novell.com>
16843
16844         * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
16845         permissible for unary plus.
16846
16847 2004-07-09  Jan Beulich  <jbeulich@novell.com>
16848
16849         * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
16850         (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
16851         (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
16852         (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
16853         BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
16854         * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
16855         BUILTIN_POPCOUNTxxx): Arguments are unsigned.
16856         (BUILTIN_xxxIMAX): New.
16857         * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
16858         BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
16859         BUILT_IN_PARITYIMAX.
16860
16861 2004-07-09  David S. Miller  <davem@nuts.davemloft.net>
16862
16863         * config/sparc/sparc.h (processor_costs): Define.
16864         (sparc_costs): Declare.
16865         * config/sparc/sparc.c (cypress_costs, supersparc_costs,
16866         hypersparc_costs, sparclet_costs, ultrasparc_costs,
16867         ultrasparc3_costs): New.
16868         (sparc_override_options): Set sparc_costs as appropriate.
16869         (sparc_rtx_costs): Use sparc_costs instead of messy
16870         conditionals.
16871
16872 2004-07-09  Steven Bosscher  <stevenb@suse.de>
16873
16874         * doc/md.texi (Processor pipeline description): Mention that
16875         the old pipeline description is deprecated.
16876
16877         * config/rs6000/7450.md (automaton ppc7450): Split up, move
16878         mciu_7450 function unit to...
16879         (automaton ppc7450mciu): ...new automaton.
16880
16881         * haifa-sched.c (insert_schedule_bubbles_p): Remove.
16882         (schedule_block): Don't consider inserting bubbles.
16883         (sched_init): Don't initialize DFA bubbles.
16884         * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
16885         TARGET_SCHED_DFA_BUBBLE): Remove.
16886         * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
16887         * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
16888         TARGET_SCHED_DFA_BUBBLE): Remove documentation.
16889
16890         * stmt.c (conditional_context): Remove prototype.
16891         * tree.h (conditional_context): Remove.
16892         * tree-cfg.c (pre_insert_on_edge): Remove.
16893
16894         * c-common.h (c_expand_asm_operands): Remove prototype.
16895         * c-typeck.c (c_expand_asm_operands): Remove.
16896
16897 2004-07-09  Jan Beulich  <jbeulich@novell.com>
16898
16899         * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
16900         their base modes. CTImode, TCmode, and XCmode must be passed in memory.
16901         TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
16902         and V8QI are class SSE. All sufficiently small remaining vector modes
16903         must be passed in one or two integer registers.
16904         (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
16905         returned in memory.
16906         (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
16907         __builtin_ia32_pmuludq128 have non-uniform argument and return types
16908         and must thus be handled explicitly.
16909         * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
16910         MMX and XMM regs.
16911         (movv8qi_internal, movv4hi_internal, movv2si_internal,
16912         movv2sf_internal): Permit moving between MMX and XMM registers (since
16913         MMX areguments and return values are passed in XMM registers).
16914         (sse2_umulsidi3): Correct type and mode.
16915
16916 2004-07-09  Richard Henderson  <rth@redhat.com>
16917
16918         * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.
16919
16920 2004-07-09  Eric Christopher  <echristo@redhat.com>
16921
16922         * config/rs6000/40x.md: Split into two automatons.
16923
16924 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
16925             Andrew Pinski  <apinski@apple.com>
16926
16927         * c-opts.c (c_common_post_options): Force unit-at-a-time mode
16928         on when we have more than one input file.
16929         (c_common_parse_file): Restore loop over all input files.
16930         Clarify diagnostic for -dy when YYDEBUG wasn't defined.
16931
16932         * c-decl.c (set_type_context): New function.
16933         (pop_scope): Use it to set context of types.  When we
16934         encounter a TYPE_DECL, set the context of the attached type too.
16935         (pop_file_scope): Don't call cpp_undef_all here.
16936         (diagnose_mismatched_decls): Do not complain about a second
16937         definition of an 'extern inline' function if it's not in the
16938         same translation unit.  Do not complain about inline
16939         declaration after use if the use was in a different
16940         translation unit.
16941         (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
16942         (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
16943         the external scope.
16944         (pushdecl_top_level): Likewise.
16945         (grokdeclarator): Clarify what is going on with setting
16946         DECL_EXTERNAL on function types, a little.
16947         (c_write_global_declarations): Don't do anything if
16948         -fsyntax-only or errors have been encountered.
16949
16950 2004-07-09  Zack Weinberg  <zack@codesourcery.com>
16951
16952         * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.
16953
16954 2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16955
16956         PR target/16459
16957         * pa.c (output_indirect_call): Use %r2 as the link register when
16958         calling $$dyncall with a pc-relative branch.
16959
16960 2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>
16961
16962         * doc/install.texi (Binaries): Mention OpenPKG.
16963
16964 2004-07-09  Diego Novillo  <dnovillo@redhat.com>
16965
16966         Fix PR tree-optimization/15555
16967         * tree-dfa.c (dump_variable): If the variable is a pointer
16968         SSA_NAME, also dump its points-to information.
16969         * tree-flow.h (struct ptr_info_def): Add field
16970         is_dereferenced.
16971         (dump_points_to_info_for): Declare.
16972         (debug_points_to_info_for): Declare.
16973         * tree-optimize.c (init_tree_optimization_passes): Add a
16974         second alias analysis pass after DOM2.
16975         Move pass_del_pta to a later spot.
16976         * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
16977         create a name tags when we find a dereferenced pointer.  Just
16978         mark the pointer dereferenced.
16979         (collect_points_to_info_for): Move code to clear points-to
16980         information to create_name_tags.
16981         (create_name_tags): New function.
16982         (compute_flow_sensitive_aliasing): Call it.
16983         (setup_pointers_and_addressables): Mark type tags for renaming
16984         here instead of ...
16985         (create_memory_tag): ... here.
16986         (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
16987         (dump_points_to_info_for): Declare extern.
16988         (debug_points_to_info_for): New function.
16989
16990 2004-07-09  Paolo Bonzini  <bonzini@gnu.org>
16991
16992         * config/arc/arc.md: Switch to DFA-based scheduler description.
16993         * config/arc/arc.c: Switch to DFA-based scheduler description.
16994
16995 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
16996
16997         * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
16998         pointer.
16999
17000 2004-07-09  Richard Henderson  <rth@redhat.com>
17001
17002         * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
17003         * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17004         (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
17005         * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.
17006
17007         * config/v850/v850-protos.h (v850_va_arg): Remove.
17008         * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17009         (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
17010         * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
17011         (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
17012         (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.
17013
17014 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
17015
17016         PR target/12133
17017         * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
17018         and DImode to use +/-4k offset.
17019
17020 2004-07-09  Richard Henderson  <rth@redhat.com>
17021
17022         * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
17023         Remove.
17024         * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17025         (xstormy16_gimplify_va_arg_expr): Rewrite from
17026         xstormy16_expand_builtin_va_arg.
17027         * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.
17028
17029         * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
17030         * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.
17031
17032         * config/sh/sh-protos.h (sh_va_arg): Remove.
17033         * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17034         (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
17035         * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.
17036
17037         * config/pa/pa-protos.h (hppa_va_arg): Remove.
17038         * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17039         (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
17040         * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.
17041
17042         * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
17043         * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17044         (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
17045         * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.
17046
17047 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
17048
17049         * config/sparc/sparc.md (return): Rewrite length formula.
17050         * config/sparc/sparc.c (output_return): Pass 1 as 5th
17051         argument to final_scan_insn when in a delay slot.
17052         (output_sibcall): Likewise.
17053
17054 2004-07-09  Richard Earnshaw  <rearnsha@arm.com>
17055
17056         * arm.c (arm_cpp_interwork): New variable.
17057         (arm_override_options): Set it if TARGET_INTERWORK was on the command
17058         line.
17059         * arm.h (arm_cpp_interwork): Declare it.
17060         (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
17061         __THUMB_INTERWORK__ in the preprocessor.
17062
17063 2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>
17064
17065         * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.
17066
17067 2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
17068
17069         PR target/16416
17070         * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
17071         Override default settings to account for -m32 and -m64.
17072
17073 2004-07-08  Randolph Chung  <tausq@debian.org>
17074
17075         * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
17076
17077 2004-07-09  Alexandre Oliva  <aoliva@redhat.com>
17078
17079         * builtins.c (fold_builtin_strncpy): Make sure len is a constant
17080         before comparing it as such.
17081
17082 2004-07-08  Richard Henderson  <rth@redhat.com>
17083
17084         * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
17085         temporary.  Use bit arithmetic to align.
17086
17087 2004-07-08  Jerry Quinn  <jlquinn@optonline.net>
17088
17089         * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
17090         nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
17091         NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
17092         * bb-reorder.c (mark_bb_for_unlikely_executed_section,
17093         add_labels_and_missing_jumps, find_jump_block,
17094         fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
17095         Likewise.
17096         * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
17097         link_btr_uses, move_btr_def): Likewise.
17098         * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
17099         expand_builtin_expect_jump): Likewise.
17100         * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
17101         * calls.c (expand_call, emit_library_call_value_1): Likewise.
17102         * cfganal.c (forwarder_block_p): Likewise.
17103         * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
17104         make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
17105         find_bb_boundaries): Likewise.
17106         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
17107         merge_blocks_move_predecessor_nojumps,
17108         merge_blocks_move_successor_nojumps, insns_match_p,
17109         flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
17110         try_optimize_cfg): Likewise.
17111         * cfgexpand.c (expand_block, construct_exit_block): Likewise.
17112         * cfglayout.c (skip_insns_after_block, label_for_bb,
17113         record_effective_endpoints, insn_locators_initialize,
17114         fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
17115         * cfgmainloop.c (create_loop_notes): Likewise.
17116         * cfgrtl.c (delete_insn, delete_insn_chain,
17117         create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
17118         update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
17119         block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
17120         redirect_branch_edge, force_nonfallthru_and_redirect,
17121         rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
17122         rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
17123         update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
17124         purge_dead_edges, cfg_layout_redirect_edge_and_branch,
17125         cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
17126         cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
17127         need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
17128         * combine.c (combine_instructions, can_combine_p, try_combine,
17129         find_split_point, record_dead_and_set_regs, reg_dead_at_p,
17130         distribute_notes, distribute_links, insn_cuid): Likewise.
17131         * cse.c (fold_rtx, cse_insn, cse_around_loop,
17132         invalidate_skipped_block, cse_set_around_loop,
17133         cse_end_of_basic_block, cse_main, cse_basic_block,
17134         cse_condition_code_reg): Likewise.
17135         * cselib.c (cselib_process_insn): Likewise.
17136         * ddg.c (create_ddg): Likewise.
17137         * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
17138         Likewise.
17139         * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
17140         gen_label_die, dwarf2out_var_location): Likewise.
17141         * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
17142         next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
17143         last_call_insn, active_insn_p, next_label, prev_label,
17144         link_cc0_insns, next_cc0_user, try_split, add_insn_after,
17145         add_insn_before, remove_insn, add_function_usage_to,
17146         reorder_insns, find_line_note, remove_unnecessary_notes,
17147         emit_insn_after_1, classify_insn): Likewise.
17148         * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
17149         connect_post_landing_pads, sjlj_mark_call_sites,
17150         sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
17151         can_throw_internal, can_throw_external, set_nothrow_function_flags,
17152         convert_to_eh_region_ranges): Likewise.
17153         * explow.c (optimize_save_area_alloca): Likewise.
17154         * expr.c (expand_expr_real): Likewise.
17155         * final.c (insn_current_reference_address, compute_alignments,
17156         shorten_branches, final, scan_ahead_for_unlikely_executed_note,
17157         final_scan_insn, output_asm_label, leaf_function_p): Likewise.
17158         * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
17159         propagate_block_delete_insn, propagate_one_insn,
17160         init_propagate_block_info, propagate_block, libcall_dead_p,
17161         mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
17162         Likewise.
17163         * function.c (instantiate_virtual_regs, reorder_blocks_1,
17164         expand_function_start, expand_function_end, contains,
17165         thread_prologue_and_epilogue_insns,
17166         reposition_prologue_and_epilogue_notes): Likewise.
17167         * gcse.c (constprop_register, bypass_conditional_jumps,
17168         insert_insn_end_bb, gcse_after_reload): Likewise.
17169         * genemit.c (gen_expand, gen_split): Likewise.
17170         * genpeep.c (gen_peephole, main): Likewise.
17171         * global.c (build_insn_chain): Likewise.
17172         * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
17173         * haifa-sched.c (unlink_other_notes, unlink_line_notes,
17174         get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
17175         restore_line_notes, rm_redundant_line_notes, rm_other_notes,
17176         ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
17177         * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
17178         cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
17179         merge_if_block, block_jumps_and_fallthru_p, find_if_block,
17180         dead_or_predicable): Likewise.
17181         * integrate.c (try_constants): Likewise.
17182         * jump.c (rebuild_jump_labels, cleanup_barriers,
17183         purge_line_number_notes, init_label_info, mark_all_labels,
17184         squeeze_notes, get_label_before, get_label_after,
17185         reversed_comparison_code_parts, simplejump_p, pc_set,
17186         returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
17187         delete_barrier, delete_prior_computation, delete_computation,
17188         delete_related_insns, delete_for_peephole, redirect_jump):
17189         Likewise.
17190         * lcm.c (optimize_mode_switching): Likewise.
17191         * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
17192         Likewise.
17193         * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
17194         * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
17195         * loop-iv.c (simplify_using_assignment): Likewise.
17196         * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
17197         libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
17198         find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
17199         loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
17200         check_insn_for_givs, check_final_value, update_giv_derive,
17201         basic_induction_var, product_cheap_p, check_dbra_loop,
17202         loop_insn_first_p, last_use_this_basic_block,
17203         canonicalize_condition, get_condition, loop_regs_scan, load_mems,
17204         try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
17205         * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
17206         sms_schedule_by_order): Likewise.
17207         * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
17208         * postreload.c (reload_cse_simplify_operands, reload_combine,
17209         reload_cse_move2add): Likewise.
17210         * predict.c (can_predict_insn_p, estimate_probability,
17211         expected_value_to_br_prob, process_note_predictions): Likewise.
17212         * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
17213         * profile.c (branch_prob): Likewise.
17214         * ra-build.c (live_out_1, livethrough_conflicts_bb,
17215         detect_webs_set_in_cond_jump): Likewise.
17216         * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
17217         ra_print_rtl_with_bb): Likewise.
17218         * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
17219         * recog.c (next_insn_tests_no_inequality, find_single_use,
17220         split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
17221         * reg-stack.c (next_flags_user, record_label_references,
17222         emit_swap_insn, swap_rtx_condition, subst_stack_regs,
17223         compensate_edge, convert_regs_1): Likewise.
17224         * regclass.c (scan_one_insn): Likewise.
17225         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
17226         regmove_optimize, fixup_match_1, single_set_for_csa,
17227         combine_stack_adjustments_for_block): Likewise.
17228         * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
17229         * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
17230         find_equiv_reg): Likewise.
17231         * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
17232         reload_as_needed, emit_input_reload_insns, do_output_reload,
17233         delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
17234         Likewise.
17235         * reorg.c (find_end_label, emit_delay_sequence,
17236         delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
17237         get_jump_flags, rare_destination, mostly_true_jump,
17238         try_merge_delay_insns, redundant_insn, own_thread_p,
17239         fill_simple_delay_slots, fill_slots_from_thread,
17240         fill_eager_delay_slots, relax_delay_slots, make_return_insns,
17241         dbr_schedule): Likewise.
17242         * resource.c (find_basic_block, next_insn_no_annul,
17243         find_dead_or_set_registers, mark_target_live_regs): Likewise.
17244         * rtl.h (RTX_PREV): Likewise.
17245         * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
17246         no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
17247         reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
17248         find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
17249         tablejump_p, computed_jump_p, insns_safe_to_move_p,
17250         find_first_parameter_load, can_hoist_insn_p): Likewise.
17251         * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
17252         sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
17253         * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
17254         schedule_ebbs): Likewise.
17255         * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
17256         is_conditionally_protected, can_schedule_ready_p,
17257         add_branch_dependences, debug_dependencies): Likewise.
17258         * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
17259         Likewise.
17260         * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
17261         reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
17262         set_dominates_use, ujump_to_loop_cont): Likewise.
17263         * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
17264         * varasm.c (output_constant_pool_1): Likewise.
17265
17266 2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
17267
17268         * tree-scalar-evolution.c: New file.
17269         * tree-scalar-evolution.h: New file.
17270         * tree-ssa-loop-niter.c: New file.
17271         * Makefile.in (SCEV_H): New.
17272         (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
17273         * cfgloop.h (struct loop): Add bounds field.
17274         * tree-flow.h (struct tree_niter_desc): New type.
17275         (number_of_iterations_cond, number_of_iterations_exit,
17276         loop_niter_by_eval, find_loop_niter_by_eval,
17277         estimate_numbers_of_iterations, can_count_iv_in_wider_type,
17278         free_numbers_of_iterations_estimates): Declare.
17279         * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
17280         * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
17281         * doc/invoke.texi (max-iterations-to-track): Document.
17282
17283 2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>
17284
17285         * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
17286         * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
17287         (MODE_AFTER): Add cast appropriately.
17288         * config/sh/sh.md (movdi splitter): Likewise.
17289         (casesi_worker_2): Add const qualifier appropriately.
17290         (eh_return): Remove unused variable.
17291         (insv): Initialize v;
17292
17293 2004-07-08  Richard Henderson  <rth@redhat.com>
17294
17295         * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
17296         * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17297         (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
17298         * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
17299         (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.
17300
17301         * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
17302         * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17303         (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
17304         * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.
17305
17306         * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
17307         * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17308         (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
17309         * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.
17310
17311         * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
17312         * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17313         (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
17314         * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.
17315
17316         * config/i860/i860-protos.h (i860_va_arg): Remove.
17317         * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17318         (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
17319         * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.
17320
17321 2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
17322
17323         * system.h: Prototype getpagesize if missing.
17324         * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
17325         * configure: Regenerate.
17326         * config.in: Regenerate.
17327
17328 2004-07-08  Richard Henderson  <rth@redhat.com>
17329
17330         * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
17331         * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17332         (fr30_gimplify_va_arg_expr): New.
17333         (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
17334         * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.
17335
17336 2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>
17337
17338         PR target/16414
17339         * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
17340         of asm_noperands result.
17341
17342 2004-07-08  Richard Henderson  <rth@redhat.com>
17343
17344         * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
17345         * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17346         (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
17347         * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.
17348
17349 2004-07-08  Richard Henderson  <rth@redhat.com>
17350
17351         * builtins.c (ind_gimplify_va_arg_expr): New.
17352         * tree.h (ind_gimplify_va_arg_expr): Declare.
17353         * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.
17354
17355 2004-07-08  Jan Beulich  <jbeulich@novell.com>
17356
17357         * expmed.c (extract_bit_field): Correct condition to use vec_extract
17358         patterns also on vector elements other than the first one.
17359         * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
17360         break statements.
17361
17362 2004-07-08  Geoffrey Keating  <geoffk@apple.com>
17363
17364         * config/rs6000/darwin-ldouble.c: Correct reference
17365         to the Linnainmaa paper.
17366
17367 2004-07-08  Richard Henderson  <rth@redhat.com>
17368
17369         * config/arc/arc-protos.h (arc_va_arg): Remove.
17370         * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17371         (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
17372         * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.
17373
17374         * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
17375         * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
17376         (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
17377         * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.
17378
17379 2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17380
17381         * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.
17382
17383 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
17384
17385         * c-decl.c (static_ctors, static_dtors): Make static.
17386         (pop_file_scope): Call c_common_write_pch and
17387         cgraph_finalize_compilation_unit here.
17388         (build_cdtor): Moved here from c-objc-common.c; simplify.
17389         (c_write_global_declarations_1): Clarify comment.
17390         (c_write_global_declarations): Close the external scope before
17391         doing anything else.  Call build_cdtor, cgraph_optimize, and
17392         mudflap_finish_file here.
17393         * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
17394         Clarify comment.
17395         * c-objc-common.c: No need to include cgraph.h.
17396         (build_cdtor): Moved to c-decl.c.
17397         (c_objc_common_finish_file): Delete.
17398         * c-tree.h: Update to match.
17399         * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
17400         (generate_static_references): Set TREE_USED before calling finish_decl.
17401         Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
17402         on the static_instances_decl.
17403
17404 2004-07-08  Zack Weinberg  <zack@codesourcery.com>
17405
17406         * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
17407         decls when there is only one input translation unit.
17408         * langhooks.c (lhd_set_decl_assembler_name): Partially revert
17409         change of 2004-07-05; do not treat declarations with
17410         DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
17411         * opts.c (cur_in_fname): Delete.
17412         * opts.h: Likewise.
17413         * tree.c: Revert changes of 2004-07-05; no special treatment
17414         for TRANSLATION_UNIT_DECLs.
17415         * Makefile.in (tree.o): Update dependencies.
17416
17417 2004-07-08  Roger Sayle  <roger@eyesopen.com>
17418
17419         * builtins.c (fold_builtin_strcpy): Merge functionality from
17420         simplify_builtin_strcpy.  Add additional len argument.  No longer
17421         static.  Remove function prototype.
17422         (fold_builtin_strncpy): Likewise integrate functionality from
17423         simplify_builtin_strncpy.  Add additional slen argument.  No
17424         longer static.  Remove function prototype.
17425         (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
17426         (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
17427         types of "ignore" and "unlocked" parameters to bool.
17428         (fold_builtin_1):  Add additional ignore argument.  Call renamed
17429         fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
17430         builtins.  Update arguments to fold_builtin_strncpy and
17431         fold_builtin_strcpy.  Add function prototype.
17432         (fold_builtin): Add additional Boolean ignore argument to pass
17433         to fold_builtin_1.
17434         (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
17435         and fold_builtin_strncpy instead of simplify_builtin_fputs,
17436         simplify_builtin_strcpy and simplify_builtin_strncpy respectively.
17437
17438         * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
17439         simplify_builtin_strncpy): Delete function prototypes.
17440         * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
17441         fold_builtin_strncpy): Add function prototypes here.
17442         (fold_builtin): Update function prototype with new "bool ignore".
17443
17444         * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
17445         (ccp_fold_builtin):  Update call to fold_builtin.  Call
17446         fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
17447         instead of simplify_builtin_fputs, simplify_builtin_strcpy and
17448         simplify_builtin_strncpy respectively.
17449         * fold-const.c (fold): Update call to fold_builtin.
17450
17451 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
17452
17453         * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
17454         to strcpy.
17455
17456         * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
17457         (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
17458         (FUNCTION_ARG_CALLEE_COPIES): Likewise.
17459         * calls.c: Remove ifdefs of macros above.
17460         * functions.c: Likewise.
17461         * expr.c: Likewise.
17462
17463 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17464
17465         * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
17466         (arch attribute): Delete.
17467         (current_function_calls_alloca attribute): Rename into calls_alloca.
17468         (calls_eh_return): New attribute.
17469         (leaf_function): Likewise.
17470         (length attribute): Fix formula for sibcalls.
17471         (return insn): Correctly compute the 'length' attribute.
17472         (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.
17473
17474 2004-07-08  Richard Henderson  <rth@redhat.com>
17475
17476         * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
17477         (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
17478         (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
17479         * tree-eh.c (lower_eh_constructs_1): Likewise.
17480         * tree-sra.c (sra_walk_modify_expr): Likewise.
17481         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
17482         (eliminate_unnecessary_stmts): Likewise.
17483         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17484         * tree-tailcall.c (optimize_tail_call): Likewise.
17485         * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
17486
17487 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
17488             Jakub Jelinek  <jakub@redhat.com>
17489
17490         * config/i386/i386.c (override_options): Enable
17491         SSE prefetches with -mtune, as long as we are
17492         compiling for i686 or higher.  All i686 processors
17493         accept SSE prefetches as NOPS, some i586's don't.
17494
17495 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17496
17497         PR target/10567
17498         * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.
17499
17500 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
17501
17502         * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
17503         the handling of clobbering ASM_EXPRs.
17504
17505 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17506
17507         PR target/16430
17508         * config/sparc/sparc.c (function_value): In 64-bit mode,
17509         return the aggregates larger than 16 bytes like unions.
17510
17511 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17512
17513         PR target/16199
17514         * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
17515         'temp' is zero, generate new pseudos as needed and emit the
17516         sequence of insns in single-assignment form.  Resync comments
17517         with code.
17518         (sparc_emit_set_const64): Pass zero as 'temp' argument to above
17519         function before reload.
17520
17521 2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>
17522
17523         * vec.c (vec_assert_fail): Remove duplicate 'function'.
17524
17525         * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.
17526
17527         * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
17528         Allocation is signed.
17529         (VEC_reserve): Return flag, allocation is signed.
17530
17531 2004-07-08  Richard Henderson  <rth@redhat.com>
17532
17533         * tree-ssa-ccp.c (fold_stmt): Get type directly from
17534         OBJ_TYPE_REF_OBJECT.
17535
17536 2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
17537             Neil Booth  <neil@daikokuya.co.uk>
17538
17539         PR c/2511
17540         PR c/3325
17541         * c-decl.c (finish_struct): Ensure bit-fields are given the
17542         correct type.
17543         * c-common.c (c_common_signed_or_unsigned_type): For C, require
17544         the precision to match as well as the mode.
17545         * expr.c (reduce_to_bit_field_precision): New function.
17546         (expand_expr_real_1): Reduce expressions of bit-field type to
17547         proper precision.
17548         * langhooks.h (reduce_bit_field_operations): New hook.
17549         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
17550         Define.
17551         * c-lang.c, objc/objc-lang.c
17552         (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
17553         * objc/objc-act.c (check_ivars): Convert types to bit-field types
17554         before checking.
17555         * tree.c (build_nonstandard_integer_type): New function.
17556         * tree.h (build_nonstandard_integer_type): New prototype.
17557         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
17558         conversions between integer and boolean types as useless.
17559
17560 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
17561
17562         * c-common.c (c_common_nodes_and_builtins): Do not
17563         create __builtin_ptrdiff_t and __builtin_size_t.
17564
17565 2004-07-08  Andrew Pinski  <apinski@apple.com>
17566
17567         * Makefile.in (libbackend.o): Add -combine to the gcc
17568         command line.
17569
17570 2004-07-08  Nick Clifton  <nickc@redhat.com>
17571
17572         * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
17573         Set to -Os.
17574
17575 2004-07-08  Richard Henderson  <rth@redhat.com>
17576
17577         * except.c (expand_eh_region_start, expand_eh_region_end,
17578         expand_eh_handler, expand_eh_region_end_cleanup,
17579         expand_start_all_catch, expand_start_catch, expand_end_catch,
17580         expand_end_all_catch, expand_eh_region_end_allowed,
17581         expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
17582         expand_eh_region_end_fixup): Remove.
17583         * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
17584         cleanups, outer_cleanups, label_chain, exception_region.
17585         (struct goto_fixup): Remove stack_level, cleanup_list_list.
17586         (struct label_chain): Remove.
17587         (struct stmt_status): Remove x_stack_block_stack.
17588         (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
17589         fixup_gotos, save_stack_pointer, expand_decl_cleanup,
17590         expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
17591         end_cleanup_deferral, last_cleanup_this_contour,
17592         containing_blocks_have_cleanups_or_stack_level,
17593         any_pending_cleanups): Remove.
17594         (expand_null_return_1): Take no arguments.
17595         (expand_label, expand_naked_return, expand_return,
17596         expand_start_bindings_and_block, expand_end_bindings, expand_decl,
17597         expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
17598         expand_end_case_type): Don't use any of them.
17599         * calls.c (expand_call): Likewise.
17600         * dojump.c (do_jump): Likewise.
17601         * function.c (expand_function_end): Likewise.
17602         * expr.c (store_expr, expand_expr_real_1): Likewise.
17603         (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
17604         (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
17605         CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
17606         EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
17607         * fold-const.c (fold_checksum_tree): Use first_rtl_op.
17608         * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
17609         * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
17610         for WITH_CLEANUP_EXPR.
17611         (gimple_push_cleanup): Likewise.
17612         * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
17613         * print-tree.c (print_node): Likewise.
17614         * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
17615         * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
17616         (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
17617         * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
17618         (GOTO_SUBROUTINE_EXPR): Remove.
17619         * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
17620         (DECL_TOO_LATE): Remove.
17621         * except.h, tree.h: Update decls.
17622
17623 2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
17624
17625         * explow.c (optimize_save_area_alloca): Do not accept parameters.
17626         * passes.c (rest_of_handle_final): Handle symout.
17627         (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
17628         Push timevar here.
17629         (rest_of_handle_sched): Break out SMS.  Remove ifs for
17630         flag_schedule_insns and flag_modulo_sched.
17631         (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
17632         collect at the end.
17633         (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
17634         (rest_of_handle_partition_blocks, rest_of_handle_sms,
17635         rest_of_handle_if_after_reload, rest_of_handle_peephole2,
17636         rest_of_handle_mode_switching, rest_of_handle_jump,
17637         rest_of_handle_guess_branch_prob, rest_of_handle_eh,
17638         rest_of_handle_jump2, rest_of_handle_postreload,
17639         rest_of_handle_flow2, rest_of_clean_state,
17640         rest_of_handle_shorten_branches,
17641         rest_of_handle_prologue_epilogue,
17642         rest_of_handle_branch_target_load_optimize): New.
17643         (rest_of_compilation): Call the above.  Remove ggc_collect
17644         calls moved to rest_of_handle_*.
17645         * rtl.h (optimize_save_area_alloca): Do not accept parameters.
17646
17647         * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
17648         * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
17649         * except.h (set_nothrow_function_flags): Update comment.
17650         * function.c (current_function_nothrow): Remove.
17651         * output.h (current_function_nothrow): Remove.
17652         * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
17653         * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.
17654
17655 2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
17656
17657         PR bootstrap/16326
17658         * reorg.c: Revert 2004-06-30 change.
17659         (find_end_label): If HAVE_epilogue and !HAVE_return,
17660         return 0 instead of creating a label at the end of the insn chain.
17661         (optimize_skip): Account for the failure mode of find_end_label.
17662         (fill_simple_delay_slots): Likewise.
17663         (fill_slots_from_thread): Likewise.
17664         (relax_delay_slots): Likewise.
17665
17666 2004-07-08  Diego Novillo  <dnovillo@redhat.com>
17667
17668         * tree-flow.h (addressable_vars): Declare.
17669         * tree-ssa-alias.c (addressable_vars): Define.
17670         (setup_pointers_and_addressables): Add addressable variables
17671         to addressable_vars.
17672         * tree-ssa-operands.c (get_stmt_operands): Move
17673         handling of ASM_EXPRs ...
17674         (get_asm_expr_operands): ... here.
17675         When the ASM_EXPR clobbers memory, also clobber addressable
17676         variables.
17677         * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
17678         (delete_tree_ssa): Reset addressable_vars.
17679
17680 2004-07-07  Jan Beulich  <jbeulich@novell.com>
17681             Richard Henderson  <rth@redhat.com>
17682
17683         * varasm.c (assemble_variable): Use assemble_zeros for
17684         zero-initialized variables.
17685         (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
17686         for SECCAT_BSS and SECCAT_TBSS.
17687
17688 2004-07-07  Jan Beulich  <jbeulich@novell.com>
17689
17690         * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.
17691
17692         * expmed.c (emit_store_flag): Also special-case double-word
17693         (in-)equality comparison against -1.
17694
17695         * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
17696         passing arguments the containers for which are registers.
17697
17698         * calls.c (emit_library_call_value_1): Use mode of function parameter
17699         rather than that of argument since constants have none.
17700
17701 2004-07-08  Alexandre Oliva  <aoliva@redhat.com>
17702
17703         Introduce H8SX support.
17704         * expr.c (expand_strcpy): Renamed and moved to...
17705         * builtins.c (expand_movstr): ... here.  Tweak.
17706         (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
17707         computed or has side effects.
17708         (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
17709         unused, or if mempcpy fails.  Adjust the return value in the
17710         latter case.  Use movstr if everything else fails.
17711         * doc/md.texi (movstr): Document.
17712         (movmemM, clrmemM): Fix explanation of memory block operands.
17713         * config/h8300/h8300.md (stpcpy): Renamed to...
17714         (movstr): ... this.  Adjust.
17715         2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
17716         * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
17717         movmem* and clrstr* to clrmem*.
17718         2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
17719         * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
17720         GENERAL_REGS, always.
17721         (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
17722         getting the stack pointer as addr.
17723         * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
17724         from general_operand_dst.
17725         * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
17726         variant of...
17727         (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
17728         instead of requiring it to match only before reload.
17729         (stpcpy_internal_normal): New, normal-mode variant of...
17730         (stpcpy_internal): ... this.  Add modes to operands.  Disparage
17731         `D' instead of requiring it to match only before reload.
17732         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
17733         mode argument.
17734         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
17735         * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
17736         h8300_get_index.
17737         * config/h8300/h8300.md (attr type): Add call.
17738         (attr can_delay): If type is call, set it no.
17739         (call, call_value): Set type to call.
17740         2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
17741         * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
17742         2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
17743         * tree.c (get_narrower): Don't narrow integral types into
17744         non-integral types.
17745         * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
17746         frame_size *before* the first use.
17747         * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
17748         on input.
17749         (peephole2): Don't widen instructions that push SP.  Move
17750         decrement of SP to the end of all stm-generating peepholes.
17751         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
17752         * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
17753         and OR to set it to all ones.
17754         2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
17755         * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
17756         (call, call_value): Set can_delay to "no".
17757         2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
17758         * config/h8300/h8300.md (extzv): Make subreg check more robust.
17759         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
17760         * config/h8300/h8300.md (*brabit): Remove.
17761         * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
17762         zero_extract.  Use bit_memory_operand as the predicate for
17763         operand 1 and 'WU' as the constraint.  Check the difference
17764         between the base length and the final one when deciding which
17765         type of branch to use.
17766         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
17767         * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
17768         Use convert_move to extend the result for TARGET_H8300SX.  Check
17769         for QImode memory references.  Optimize the case where the
17770         destination is a paradoxical subreg.
17771         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
17772         * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
17773         * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
17774         2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
17775         * config/h8300/h8300.md: Include mova.md
17776         (length_table): Add mova and mova_zero.
17777         * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
17778         after all constant addresses for '%R', '%X', '%T' and '%S'.
17779         (h8300_mova_length): New function.
17780         (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
17781         * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
17782         dependencies for s-config, etc.
17783         * config/h8300/gemova.sh: New file.
17784         * config/h8300/mova.md: Generated.
17785         2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
17786         * config/h8300/h8300.c (h8300_bitfield_length): New.
17787         (nibble_operand): Adjust.
17788         (h8300_binary_length): Handle conditional binary op.
17789         (h8300_insn_length_from_table): Handle bitfield and bitbranch.
17790         * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
17791         P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
17792         and P#<0, unused so far.  W and Y are now prefixes to multi-letter
17793         constraints.  WU is introduced as a variant of U that requires a
17794         mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
17795         * config/h8300/h8300.md (attr type): Added bitbranch.
17796         (attr length_table): Added bitfield and bitbranch.
17797         (attr length): Compute bitbranch length.
17798         (andqi): Separate pattern for H8300SX.  Use bfld for loading the
17799         least-significant bit of a byte.
17800         (brabit, brabc, brabs): New.
17801         (insv, extzv): Emit bfst and bfld on H8300SX.
17802         (bfld, bfst, seq, sne): New.
17803         (bstzhireg, cmpstz, bstz, bistz): New.
17804         (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
17805         (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
17806         2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
17807         * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
17808         (h8sx_unary_memory_operator): New function.
17809         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
17810         (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
17811         * config/h8300/h8300.md: Add peepholes to combine reloads and
17812         arithmetic insns.
17813         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
17814         * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
17815         (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
17816         (and?i, ior?i, xor?i): Likewise.
17817         2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
17818         * config/h8300/h8300.c: Move enums and prototypes to head of file.
17819         Various whitespace fixes.
17820         (h8300_constant_length): New function, split out from...
17821         (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
17822         (h8300_classify_operand): Use IN_RANGE.
17823         (h8300_classify_operand): Use h8300_constant_length.
17824         (h8300_short_move_mem_p): Tighten size check.
17825         (h8sx_mergeable_memrefs_p): Tighten equality check.
17826         2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
17827         * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
17828         for -msx.
17829         * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
17830         * config/h8300/crtn.asm: Likewise.
17831         * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
17832         if __H8300SX__ is defined.
17833         2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
17834         * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
17835         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
17836         (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
17837         addresses as mode-dependent.
17838         * config/h8300/h8300.c (print_operand_address): Update call to
17839         h8300_get_index.
17840         (h8300_get_index): Take a mode argument.  Rework to fix an
17841         earlier misunderstanding.
17842         2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
17843         * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
17844         into a register if TARGET_H8300SX.
17845         (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
17846         TARGET_H8300SX.  Also disable related define_splits.
17847         (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
17848         2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
17849         * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
17850         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
17851         * config/h8300/h8300.h (OK_FOR_Z): New macro.
17852         (EXTRA_CONSTRAINT_STR): Check it.
17853         * config/h8300/h8300.c (h8300_classify_operand): Accept null
17854         class arguments.
17855         (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
17856         * config/h8300/h8300.md (length_table): Add mov_imm4.
17857         (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
17858         2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
17859         * genattrtab.c (write_eligible_delay): Allow candidate_insn to
17860         be a label.
17861         * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
17862         * config/h8300/h8300.c (h8300_reorg): New function.
17863         (TARGET_MACHINE_DEPENDENT_REORG): Define.
17864         * config/h8300/h8300.md (length): Subtract the length of the
17865         delay slot from (pc) when checking the range of forward branches.
17866         (delay_slot, can_delay): New attributes.
17867         (define_delay): Add bra/s handling.
17868         (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
17869         (jump): Add delayed-branch handling.
17870         2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
17871         * expr.c (expand_strcpy): New function.
17872         * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
17873         (expand_builtin_stpcpy): Likewise.
17874         * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
17875         (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
17876         * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
17877         handling to improve register allocation for -fno-omit-frame-pointer.
17878         (h8sx_split_movmd): Delete, moving er6 handling into...
17879         (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
17880         * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
17881         (movmd): Add calls to copy_rtx.
17882         (movmd_internal): In the second alternative, allow the initial and
17883         final destination registers to be different .  Update the splitter
17884         accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
17885         instead of h8sx_split_movmd.
17886         (stpcpy, movsd): New expanders.
17887         (movsd_internal): New define_insn.
17888         2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
17889         * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
17890         (h8sx_emit_movmd, h8sx_split_movmd): Declare.
17891         * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
17892         and DESTINATION_REGS.
17893         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
17894         (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
17895         (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
17896         (h8300_move_ratio): Declare.
17897         (MOVE_RATIO): Use it.
17898         * config/h8300/h8300.c (h8300_move_ratio): New variable.
17899         (h8300_init_once): Initialize it.
17900         (h8300_reg_class_from_letter): New function.
17901         (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
17902         (h8sx_emit_movmd, h8sx_split_movmd): New functions.
17903         * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
17904         (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
17905         (movstrsi, movmd): New expanders.
17906         (movmd_internal): New insn.
17907         2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
17908         * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
17909         2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
17910         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
17911         * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
17912         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
17913         * config/h8300/h8300.c (nibble_operand): Fix warning.
17914         * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
17915         (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
17916         (movsf_h8300h): Disable for TARGET_H8300SX.
17917         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
17918         * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
17919         h8300_stm_parallel and h8300_return_parallel.
17920         * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
17921         h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
17922         h8300_stm_parallel, h8300_return_parallel): New functions.
17923         (h8300_expand_prologue): Don't enforce ldm/stm register alignment
17924         if TARGET_H8300SX.  Use h8300_push_pop.
17925         (h8300_expand_epilogue): Likewise.  Try to merge the return insn
17926         and final pop when generating h8sx code.  Always emit some form
17927         of return insn.
17928         * config/h8300/h8300.md: Don't enforce register alignment in
17929         stm peepholes if TARGET_H8300SX.
17930         (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
17931         (ldm_h8300s_[234], stm_h8300_[234]): Disable.
17932         (epilogue): Expect h8300_expand_epilogue to emit a return insn.
17933         2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
17934         * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
17935         (MULTILIB_DIRNAMES): Add a directory for it.
17936         (MULTILIB_MATCHES): Delete.
17937         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
17938         * final.c (walk_alter_subreg): Handle addresses with subregs
17939         inside a ZERO_EXTEND or AND.
17940         * config/h8300/h8300-protos.h (h8300_get_index): Declare.
17941         * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
17942         if TARGET_H8300SX.
17943         (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
17944         * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
17945         @(dd,Rn.w) and @(dd,ERn.L).
17946         (h8300_displacement_size): Take the whole address as argument.
17947         (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
17948         2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
17949         * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
17950         (h8sx_mergeable_memrefs_p): Declare.
17951         * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
17952         (HAVE_PRE_INCREMENT): Likewise.
17953         (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
17954         addresses for TARGET_H8300SX,
17955         * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
17956         and POST_DEC.
17957         (movb_length_table, movl_length_table): New tables.
17958         (movw_length_table): Define to movb_length_table.
17959         (h8300_displacement_size): New, split out from...
17960         (h8300_classify_address): ...here.  Handle pre/post inc/dec.
17961         (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
17962         (h8300_insn_length_from_table): Add cases for movb, movw and movl.
17963         (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
17964         (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
17965         (compute_plussi_length, compute_plussi_cc): Update accordingly.
17966         (h8sx_unary_shift_operator): Get the mode from the operator.
17967         (binary_shift_operator): Likewise.
17968         * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
17969         a memory reference, check whether the reference is offsettable.
17970         (length_table): Add movb, movw and movl.
17971         (movqi): Add new h8sx pattern.  Don't force one operand to be a
17972         register when generating h8sx code.
17973         (movhi, movsi, movsf): Likewise.
17974         (movstrictqi): Use the length_table attribute.
17975         (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
17976         (addqi3): Split into a define_expand and define_insn.  Don't accept
17977         memory operands in the expander.  Use h8300_operands_match_p to
17978         check for matching operands in the define_insn.
17979         (subqi3, negqi2, one_cmplqi2): Likewise.
17980         (add[hs]i3): Don't accept memory operands in the expander.  Likewise
17981         in any patterns that are unused in h8sx code.  In the h8sx patterns,
17982         use h8300_operands_match_p to check whether operands match.
17983         (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
17984         one_cmpl[hs]i3): Likewise.
17985         (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
17986         in the expander.
17987         2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
17988         * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
17989         (h8300_insn_length_from_table): Add a second parameter.
17990         (output_h8sx_shift): Declare.
17991         * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
17992         (EXTRA_CONSTRAINT): Replace with...
17993         (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
17994         (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
17995         (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
17996         and h8sx_binary_shift_operator.
17997         * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
17998         for TARGET_H8300SX.
17999         (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
18000         (bit_memory_operand, fix_bit_operand): Likewise.
18001         (h8300_length_table_for_insn): Remove.
18002         (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
18003         instructions.
18004         (h8300_short_immediate_length, h8300_binary_length): New functions.
18005         (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
18006         (output_plussi): Use sub to add negative constants.
18007         (compute_plussi_length): Adjust accordingly.
18008         (h8sx_single_shift_type): New enum.
18009         (h8sx_single_shift, h8sx_unary_shift_operator,
18010         h8sx_binary_shift_operator, output_h8sx_shift): New functions.
18011         (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
18012         single h8sx instruction.  Return false in this case.
18013         * config/h8300/h8300.md (length_table): Add short_immediate.
18014         (length): Pass the operand array to h8300_insn_length_from_table.
18015         (adjust_length): Assume "no" for insns with a length_table attribute.
18016         (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
18017         (*addhi3_h8300hs): Don't use for h8sx.
18018         (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
18019         and sub.w #xx:3.
18020         (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
18021         1's predicate to nonimmediate_operand.  Only skip default expansion
18022         if expand_a_shift or expand_a_rotate returns true.  Add new patterns
18023         for single h8sx shift instructions.
18024         2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
18025         * config/h8300/h8300.c (nibble_operand): Split out of...
18026         (reg_or_nibble_operand): ... this.
18027         * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
18028         * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
18029         umulhisi3): Introduce expand, and introduce separate insns for
18030         sign- or zero-extended REG and already-extended CONST_INT.
18031         2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
18032         * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
18033         * config/h8300/h8300.md (subqi3): Generalize for h8sx.
18034         (subhi3): Likewise.  Don't accept immediates for operand 1.
18035         Remove the early clobber from second alternative of the h8300s pattern.
18036         (subsi3): Generalize for h8sx.  Force operand 2 into a register
18037         on plain h8300 targets.
18038         (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
18039         (subsi3_h8300h): Generalize for h8sx.
18040         (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
18041         2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
18042         * config/h8300/h8300.c (reg_or_nibble_operand): New.
18043         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
18044         (TARGET_H8300SXMUL): New.
18045         (CONST_OK_FOR_P): New.
18046         (CONST_OK_FOR_LETTER_P): Adjust.
18047         * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
18048         umulhisi3): Accept 4-bit immediate on H8SX.
18049         (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
18050         (udivsi3, divhi3, udivsi3, divsi3): New.
18051         2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
18052         * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
18053         * config/h8300/h8300.h (OK_FOR_Q): New macro.
18054         (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
18055         (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
18056         Add ADDRESSOF to the bit_operand entry.
18057         * config/h8300/h8300.c (h8300_dst_operand): New predicate.
18058         (h8300_src_operand): Likewise.
18059         (bit_operand): Check nonimmediate_operand rather than general_operand.
18060         Accept any nonimmediate_operand in h8sx code.
18061         (h8300_and_costs): Initialize operands[1].
18062         (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
18063         (h8300_operand_class): New enum.
18064         (h8300_length_table): New typedef.
18065         (addb_length_table, addw_length_table, addl_length_table,
18066         logicl_length_table): New tables.
18067         (logicb_length_table, logicw_length_table): New macros.
18068         (h8300_classify_operand, h8300_length_from_table,
18069         h8300_length_table_for_insn, h8300_unary_length,
18070         h8300_insn_length_from_table): New functions.
18071         (output_plussi): Only use adds and subs for register destinations.
18072         Disable redundant clause.
18073         (compute_plussi_cc): Likewise.
18074         (compute_plussi_length): Likewise.  Use h8300_length_from_table
18075         to work out the length of an insn.
18076         (output_logical_op): Only use narrower immediate instructions
18077         if the destination is a register.
18078         (compute_logical_op_cc): Likewise.
18079         (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
18080         (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
18081         * config/h8300/h8300.md (length_table): New attribute.
18082         (length): When an instruction has a length_table attribute, use
18083         h8300_insn_length_from_table to calculate its default length.
18084         (cmpqi): Use h8300_dst_operand for the first operand and
18085         h8300_src_operand for the second.
18086         (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
18087         negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
18088         addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
18089         iorsi3, xorhi3, xorsi3): Likewise.
18090         (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
18091         so that it allows any combination of operands for TARGET_H8300SX.
18092         (iorqi3, xorqi3): Likewise.
18093         (cmpqi): Use the length_table attribute.
18094         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
18095         xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
18096         (cmpqi): Add 'Q' constraint.
18097         (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
18098         iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
18099         2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
18100         * config/h8300/h8300.h (MASK_H8300SX): New macro.
18101         (TARGET_H8300S): True for both -ms and -msx.
18102         (TARGET_H8300SX): New macro.
18103         (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
18104         * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
18105         * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
18106         * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
18107         [Temporary change.]
18108         2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
18109         * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
18110         16-bit pointers and 32-bit ints.
18111         * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
18112         CONST_DOUBLE with mode no wider than SImode.
18113         * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
18114         output operand.
18115         2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
18116         * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
18117         or SUBREG thereof.
18118         * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
18119         2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
18120         * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.
18121
18122 2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
18123
18124         * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.
18125
18126 2004-07-07  Per Bothner  <per@bothner.com>
18127
18128         * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.
18129
18130 2004-07-07  Mike Stump  <mrs@apple.com>
18131
18132         * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
18133         * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
18134         (machopic_finish): Likewise.
18135
18136 2004-07-07  Richard Henderson  <rth@redhat.com>
18137
18138         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
18139         through any value-preserving cast.
18140
18141 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
18142
18143         * function.c (assign_parm_find_data_types): Call
18144         FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.
18145
18146 2004-07-07  Steven Bosscher  <stevenb@suse.de>
18147
18148         * tree-cfg.c (group_case_labels): Remove case labels that have
18149         the same target as the default case.
18150
18151 2004-07-07  Steven Bosscher  <stevenb@suse.de>
18152
18153         * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
18154         regardless of DECL_LANG_SPECIFIC being present or not.
18155         * tree.h (DECL_NUM_STMTS): Purge.
18156
18157 2004-07-07  Andrew Pinski  <apinski@apple.com>
18158
18159         * configure: Regenerate with the right autoconf.
18160
18161 2004-07-07  David Edelsohn  <edelsohn@gnu.org>
18162
18163         * ifcvt.c (total_bb_rtx_cost): New function.
18164         (find_if_case_1): Compare rtx_cost of basic block to cost of
18165         BRANCH_COST insns.
18166         (find_if_case_2): Same.
18167
18168 2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18169
18170         PR target/10567
18171         * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
18172         (output_return): Likewise.
18173         (output_sibcall): Abort if !flag_delayed_branch.
18174         (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
18175         (emit_and_preserve): New function.
18176         (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
18177         indirect jump to the thunked-to function if !flag_delayed_branch.
18178         * config/sparc/sparc.md (delayed_branch): New attribute.
18179         (load_pcrel_sym): Honor flag_delayed_branch.  Use above
18180         attribute to compute the length of the insn.
18181         (goto_handler_and_restore): Likewise.
18182
18183 2004-07-07  Andrew Pinski  <apinski@apple.com>
18184
18185         PR tree-optimization/15777
18186         * fold-const.c (fold_single_bit_test): Fold the x^1 expression.
18187
18188         * expr.c (expand_expr_real_1): Fix formating.
18189         BUFFER_REF and IN_EXPR are dead.
18190         * fold-const.c (non_lvalue): BUFFER_REF is dead.
18191         * tree-inline.c (estimate_num_insns_1): Likewise.
18192         * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
18193         IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
18194         * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.
18195
18196 2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>
18197
18198         * collect2.c (dump_file): Don't call cplus_demangle if
18199         HAVE_LD_DEMANGLE is defined.
18200         (main): Pass "--demangle" to ld if no_demangle is not 0 and
18201         HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
18202         if HAVE_LD_DEMANGLE is defined.
18203
18204         * configure.ac (--with-demangler-in-ld): Added
18205         (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
18206         --with-demangler-in-ld is used.
18207         * config.in: Regenerated.
18208         * configure: Likewise.
18209
18210 2004-07-07  Roger Sayle  <roger@eyesopen.com>
18211
18212         * config/rs6000/rs6000.c (struct processor_costs): Add new fields
18213         for simple floating point operations "fp", double precision
18214         multiplication "dmul", and single and double precision division
18215         "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
18216         (ppc630_cost): New table split from ppc620_cost, to distinguish
18217         differences in floating point latencies.
18218         (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
18219         (rs6000_rtx_costs): Add support for single and double precision
18220         floating point addition, subtraction, multiplication, division,
18221         fused-multiply-add, fused-multiply-sub, negation, absolute value
18222         and negative absolute value.  Tweak MEM case to use prefered idiom.
18223
18224 2004-07-07  Richard Henderson  <rth@redhat.com>
18225
18226         * tree-flow-inline.h (may_propagate_copy): Move...
18227         * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
18228         attempt to copy between types requiring conversion.
18229         * tree-flow.h (may_propagate_copy): Update decl.
18230         * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.
18231
18232 2004-07-07  Jakub Jelinek  <jakub@redhat.com>
18233
18234         * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
18235         from -mtune= option.
18236
18237 2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
18238
18239         * builtins.c: Rename movstr*, except for movstrict*, to
18240         movmem* and clrstr* to clrmem*.
18241         * expr.c: Likewise.
18242         * expr.h: Likewise.
18243         * genopinit.c: Likewise.
18244         * integrate.c: Likewise.
18245         * local-alloc.c: Likewise.
18246         * optabs.c: Likewise.
18247         * optabs.h: Likewise.
18248         * config/alpha/alpha.h: Likewise.
18249         * config/alpha/alpha.md: Likewise.
18250         * config/arm/arm-protos.h: Likewise.
18251         * config/arm/arm.c: Likewise.
18252         * config/arm/arm.md: Likewise.
18253         * config/avr/avr.md: Likewise.
18254         * config/c4x/c4x.c: Likewise.
18255         * config/c4x/c4x.md: Likewise.
18256         * config/frv/frv.md: Likewise.
18257         * config/i386/i386-protos.h: Likewise.
18258         * config/i386/i386.c: Likewise.
18259         * config/i386/i386.h: Likewise.
18260         * config/i386/i386.md: Likewise.
18261         * config/i860/i860.c: Likewise.
18262         * config/i860/i860.md: Likewise.
18263         * config/ip2k/ip2k.md: Likewise.
18264         * config/ip2k/libgcc.S: Likewise.
18265         * config/ip2k/t-ip2k: Likewise.
18266         * config/m32r/m32r.c: Likewise.
18267         * config/m32r/m32r.md: Likewise.
18268         * config/mcore/mcore.md: Likewise.
18269         * config/mips/mips.c: Likewise.
18270         * config/mips/mips.md: Likewise.
18271         * config/ns32k/ns32k.c: Likewise.
18272         * config/ns32k/ns32k.h: Likewise.
18273         * config/ns32k/ns32k.md: Likewise.
18274         * config/pa/pa.c: Likewise.
18275         * config/pa/pa.md: Likewise.
18276         * config/pdp11/pdp11.h: Likewise.
18277         * config/pdp11/pdp11.md: Likewise.
18278         * config/rs6000/rs6000.c: Likewise.
18279         * config/rs6000/rs6000.md: Likewise.
18280         * config/s390/s390-protos.h: Likewise.
18281         * config/s390/s390.c: Likewise.
18282         * config/s390/s390.md: Likewise.
18283         * config/sh/lib1funcs.asm: Likewise.
18284         * config/sh/sh.c: Likewise.
18285         * config/sh/sh.md: Likewise.
18286         * config/sh/t-sh: Likewise.
18287         * config/sparc/sparc.h: Likewise.
18288         * config/vax/vax.md: Likewise.
18289         * config/xtensa/xtensa.c: Likewise.
18290         * config/xtensa/xtensa.md: Likewise.
18291         * doc/invoke.texi: Likewise.
18292         * doc/md.texi: Likewise.
18293         * doc/rtl.texi: Likewise.
18294
18295 2004-07-07  Richard Sandiford  <rsandifo@redhat.com>
18296
18297         PR target/16407
18298         * config/mips/mips-protos.h (mips_declare_common_object): Declare.
18299         * config/mips/mips.c (mips_declare_common_object): New function,
18300         mostly split out from...
18301         (mips_output_aligned_decl_common): ...here.
18302         * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
18303         (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
18304         * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
18305         rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.
18306
18307 2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18308
18309         PR c/16392
18310         * function.c (assign_parms): Fix typo from previous change.
18311
18312 2004-07-07  Jason Merrill  <jason@redhat.com>
18313
18314         PR c++/15815
18315         * doc/extend.texi (C++ Interface): Correct information and
18316         discourage use.
18317
18318 2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>
18319
18320         PR target/16130
18321         PR target/16142
18322         PR target/16143
18323         * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
18324         insn.
18325
18326 2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
18327
18328         PR target/1679.
18329         * config/m32r/m32r.c (m32r_function_symbol): New function:
18330         Generate a symbol name RTX with the correct m32r specific flags
18331         set.
18332         (block_move_call): Use new function to generate correct symbol.
18333         * config/m32r/m32r-protos.h: Add prototype for new funcion.
18334         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
18335         function.
18336
18337 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
18338
18339         * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
18340         TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
18341         TYPE_BINFO_BASETYPE): Remove.
18342         (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
18343         to ...
18344         (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
18345         here.
18346         (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
18347         (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
18348         (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
18349         (struct tree_binfo): Rename base_types to base_binfos.
18350         * alias.c (record_component_aliases): Adjust BINFO macros.
18351         * dbxout.c (dbxout_type): Likewise.
18352         * dwarf2out.c (gen_member_die): Likewise.
18353         * sdbout.c (sdbout_one_type): Likewise.
18354         * tree-dump.c (deque_and_dump): Likewise.
18355         * config/i386/i386.c (classify_argument,
18356         contains_128bit_aligned_vector_p): Likewise.
18357
18358 2004-07-07  Nick Clifton  <nickc@redhat.com>
18359
18360         * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
18361         arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.
18362
18363 2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>
18364
18365         * vec.h: Fix the example use.
18366
18367 2004-07-06  Richard Henderson  <rth@redhat.com>
18368
18369         * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
18370         * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
18371         * tree-inline.c (copy_body_r, setup_one_parameter,
18372         initialize_inlined_parameters, expand_call_inline,
18373         declare_inline_vars): Don't check it.
18374         (expand_calls_inline): Remove old version, rename new version
18375         from gimple_expand_calls_inline.
18376         * tree-optimize.c (execute_gimple): Remove.
18377         (pass_gimple): Don't run anything.
18378
18379 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
18380
18381         * doc/sourcebuild.texi: Use semicolons instead of commas in
18382         section title.
18383
18384 2004-07-06  Richard Henderson  <rth@redhat.com>
18385
18386         * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
18387         (sra_walk_modify_expr, scan_init): Likewise.
18388         (generate_element_zero): Check visited before scanning children.
18389         (generate_element_init): Set visited on error.
18390         (scalarize_init): Handle generate_element_init failure similar
18391         to use_block_copy.
18392
18393 2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>
18394
18395         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
18396         (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.
18397
18398 2004-07-06  Richard Henderson  <rth@redhat.com>
18399
18400         * config/i386/i386.c (legitimize_pic_address): Make static.
18401         (legitimize_address): Handle CONST with TLS operand.
18402         (ix86_expand_move): Don't call legitimize_pic_address directly.
18403         * config/i386/i386-protos.h (legitimize_pic_address): Remove.
18404
18405 2004-07-06  Roger Sayle  <roger@eyesopen.com>
18406
18407         * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
18408         (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
18409         (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
18410         is currently executed unconditionally, i.e. not in "else_bb".
18411
18412 2004-07-06  Steven Bosscher  <stevenb@suse.de>
18413
18414         * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
18415         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18416         * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
18417         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18418         * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
18419         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18420         * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
18421         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18422         * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
18423         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18424         * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
18425         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18426         * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
18427         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18428         * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
18429         (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
18430
18431 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
18432
18433         * dojump.c (do_jump): REFERENCE_EXPR is dead.
18434         * expr.c (expand_expr_real_1): Ditto.
18435         * tree-inline.c (estimate_num_insns_1): Ditto.
18436         * tree-pretty-print.c (dump_generic_node): Ditto.
18437         (op_symbol): Ditto.
18438         * tree.def: Ditto.
18439
18440 2004-07-06  Daniel Berlin  <dberlin@dberlin.org>
18441
18442         * tree-ssa-pre.c (reference_node_pool): New pool.
18443         (find_or_generate_expression): Class 'r' is okay too.
18444         (create_value_expr_from): Ditto.
18445         (add_to_sets): LHS should not include vuses.
18446         (eliminate): Ditto.
18447         (compute_avail): Reverse ordering of tests.
18448         Valuize INDIRECT_REF as well.
18449
18450 2004-07-06  Richard Sandiford  <rsandifo@redhat.com>
18451
18452         PR rtl-optimization/16380
18453         * loop.c (check_dbra_loop): Sink comparison instructions if they
18454         do something other than set cc0.
18455
18456 2004-07-06  James E Wilson  <wilson@specifixinc.com>
18457
18458         * doc/interface.texi (longjmp and automatic variables): Delete
18459         paragraph recommending taking the address of a variable.
18460
18461 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
18462
18463         * vec.h (VEC_embedded_alloc): Remove.
18464         (VEC_embedded_size, VEC_embedded_init): New.
18465         (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
18466         MEM_STAT_INFO.
18467         (VEC_truncate): New.
18468         (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
18469         (vec_embedded_alloc): Remove.
18470         * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
18471         (vec_embedded_alloc): Remove.
18472
18473 2004-07-06  Mark Mitchell  <mark@codesourcery.com>
18474
18475         * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
18476         (gt-langhooks.h): Remove.
18477
18478 2004-07-06  George Helffrich <george@gly.bris.ac.uk>
18479
18480         * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.
18481
18482 2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
18483
18484         * config/sparc/sparc.c (get_pc_symbol): Rename into
18485         add_pc_to_pic_symbol.
18486         (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
18487         (load_pic_register): Account for previous changes.
18488         Use reg_names.  Don't create the label twice.
18489         * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
18490         UNSPEC_LOAD_PCREL_SYM.
18491         (get_pc): Rename into load_pcrel_sym.  Add predicate to
18492         operands.  Remove condition.
18493
18494 2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>
18495
18496         * dbxout.c (dbxout_type): Don't test whether the binfo slot of
18497         RECORD, UNION & QUAL_UNION is actually a binfo.
18498
18499         * tree.h (TREE_VIA_VIRTUAL): Rename to ...
18500         (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
18501         (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
18502         * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
18503         * dwarf2out.c (add_data_member_location_attribute): Likewise.
18504         (gen_inheritance_die): Likewise.
18505         * tree-dump.c (deque_and_dump): Likewise.
18506         * doc/c-tree.texi (Binfos): Add under reconstruction note.
18507
18508 2004-07-06  Steven Bosscher  <stevenb@suse.de>
18509
18510         * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
18511         Define.
18512         * config/mcore/mcore.md: Model memory latency with a simple DFA
18513         pipeline description instead of a define_function_unit.
18514
18515 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
18516
18517         * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
18518         * langhooks.h (var_mod_type_p): Likewise.
18519         * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
18520         * expr.c (count_type_elements): Properly handle return from
18521         array_type_nelts and properly test for overflow.
18522         * gimplify.c (gimplify_init_constructor): Properly handle return
18523         from array_type_nelts.
18524         (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
18525         * integrate.c (copy_decl_for_inlining): Correct comments.
18526         * tree-inline.c (remap_decl): Update comments, remove dead code,
18527         and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
18528         (remap_type): Only remap if variably modified by vars in function
18529         being inlined.
18530         (copy_body_r): Use compatible_type langhooks to see when can fold.
18531         (setup_one_parameter): Don't remap type.
18532         (inline_forbidden_p_1): Add arg to variably_modified_type_p.
18533         * tree.c (recompute_tree_invarant_for_addr_expr): Properly
18534         compute TREE_INVARIANT for decl case.
18535         (find_var_from_fn): New function.
18536         (variably_modified_type_p): Add arg and call new function.
18537         * tree.h (variably_modified_type_p): Add extra arg.
18538
18539 2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
18540
18541         * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
18542         (goto_handler_and_restore_v9): Delete disabled insn.
18543         (goto_handler_and_restore_v9_sp64): Likewise.
18544
18545 2004-07-05  Roger Sayle  <roger@eyesopen.com>
18546
18547         * calls.c (load_register_parameters): Call expand_shift instead
18548         of expand_binop with ashl_optab (or other shift optab) directly.
18549         * expr.c (emit_group_load, emit_group_store): Likewise.
18550         * function.c (assign_parm_setup_block): Likewise.
18551         * stmt.c (shift_return_value): Likewise.
18552
18553 2004-07-05  Jakub Jelinek  <jakub@redhat.com>
18554
18555         * expr.c (expand_assignment): Disable the bitfield += optimizations.
18556
18557 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
18558
18559         * doc/sourcebuild.texi: Revert previous patch.
18560
18561 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
18562
18563         * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
18564         TARGET_MEM_FUNCTIONS.
18565         * system.h: Poison TARGET_MEM_FUNCTIONS.
18566         * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
18567         bcmp_libfunc, bzero_libfunc): Remove.
18568         * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
18569         bzero_libfunc.
18570         * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
18571         * doc/standards.texi: Don't mention calling BSD string functions.
18572         * doc/invoke.texi: Likewise.  Mention that memmove may be called.
18573         * config/vax/t-memfuncs: New.
18574         * config/memcmp.c, config/memcpy.c, config/memmove.c,
18575         config/memset.c: New.
18576         * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
18577         * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
18578         vax/t-memfuncs.
18579         * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
18580         config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
18581         config/elfos.h, config/gnu.h, config/h8300/h8300.h,
18582         config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
18583         config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
18584         config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
18585         config/netbsd.h, config/openbsd.h, config/pa/pa.h,
18586         config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
18587         config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
18588         config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.
18589
18590 2004-07-05  Richard Henderson  <rth@redhat.com>
18591
18592         * function.c (assign_parm_setup_reg): Properly rename variables in
18593         FUNCTION_ARG_CALLEE_COPIES section.
18594
18595 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
18596
18597         * tree-mudflap.c: Include cgraph.h.
18598         (mf_init_extern_trees): Rename to mudflap_init.  Export.
18599         Rewrite to create synthetic declarations instead of looking
18600         up declarations from mf-runtime.h.
18601         (mf_make_builtin, mf_make_cache_struct_type): New functions.
18602         (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
18603         Correct commentary.
18604         (execute_mudflap_function_decls, mudflap_register_call):
18605         Don't call mf_init_extern_trees.
18606         (mudflap_finish_file): Use cgraph_build_static_cdtor.
18607
18608         * tree-mudflap.h: Update prototypes.
18609         * c-mudflap.c: Delete file.
18610         * c-common.c: Include tree-mudflap.h.
18611         (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
18612         * Makefile.in: Remove all references to c-mudflap.o.
18613         Update dependencies.
18614
18615 2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18616
18617         * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
18618         displacements with the spatial-locality cache-control completer.
18619
18620 2004-07-05  Zack Weinberg  <zack@codesourcery.com>
18621
18622         * langhooks.c: Don't include gt-langhooks.h.
18623         (var_labelno): Delete.
18624         (lhd_set_decl_assembler_name): Do not append a distinguishing
18625         number to file-scope internal-linkage declarations for the first
18626         input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
18627         the declaration itself (if at block scope), or its containing
18628         TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
18629         number.
18630
18631         * opts.c (cur_in_fname): New global.
18632         * opts.h: Declare it.
18633         * tree.c: Include opts.h.
18634         (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
18635         DECL_UID equal to cur_in_fname.
18636         (copy_node_stat): Do not change DECL_UID when copying a
18637         TRANSLATION_UNIT_DECL.
18638         (build_common_tree_nodes): Adjust next_decl_uid to reserve the
18639         range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.
18640
18641         * c-decl.c (c_static_assembler_name): Delete.
18642         * c-tree.h (c_static_assembler_name): Delete prototype.
18643         * c-lang.c, objc/objc-lang.c: Don't override
18644         LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.
18645
18646         * Makefile.in (tree.o): Update dependencies.
18647         (GTFILES): Remove langhooks.c.
18648
18649 2004-07-05  Roger Sayle  <roger@eyesopen.com>
18650
18651         * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
18652         by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
18653         Normalize "X % C" as "X % -C" for signed modulus and negative C.
18654         Optimize "X % -Y" as "X % Y" for signed modulus.
18655         <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
18656         into "((unsigned) X % Y) == 0".
18657
18658 2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>
18659
18660         * sourcebuild.texi (Config Fragments): Use @comma{} in
18661         cross-reference to section title.
18662
18663 2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
18664
18665         * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
18666         * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
18667         (gimplify_target_expr, gimplify_expr): Likewise.
18668         (copy_if_shared_r): No longer need special case for BIND_EXPR.
18669         (unshare_body, unvisit_body): Only look at nested if BODY_P is
18670         whole function.
18671         (gimplify_compound_lval): See if we can strip any useless conversion.
18672         (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
18673         from RHS, not LHS.
18674         (gimplify_modify_expr_to_memset): Likewise.
18675         (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
18676         * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
18677         (declare_inline_vars): Likewise.
18678         (walk_type_fields): New function.
18679         (walk_tree): Use it.
18680         * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.
18681
18682         * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
18683         (sra_walk_modify_expr): Allow init function to fail.
18684         (scan_init): Now returns bool.
18685         (generate_element_init): If can't understand INIT, return false.
18686         (scalarize_init): Return false if generate_element_init does.
18687
18688         * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
18689         print bounds.
18690
18691         * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
18692         bounds if bounds aren't constant.
18693
18694         * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.
18695
18696         * function.c, langhooks-def.h, langhooks.h: Move max_size hook
18697         to type hooks; remove bogus PARAMS.
18698
18699 2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>
18700
18701         * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
18702         * dwarf2out.c (add_data_member_location_attribute): Check for
18703         TREE_BINFO.
18704         * tree.c (tree_node_kinds): Add "binfos".
18705         (binfo_lang_slots): New.
18706         (make_node_stat): Add TREE_BINFO.
18707         (make_tree_binfo_stat): New.
18708         (tree_node_structure): Add TREE_BINFO.
18709         * tree.def (TREE_BINFO): New.
18710         * tree.h (REC_OR_UNION_CHECK): Rename to ...
18711         (RECORD_OR_UNION_CHECK): ... here.
18712         (NOT_RECORD_OR_UNION_CHECK): New.
18713         (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
18714         (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
18715         RECORD_OR_UNION_CHECK.
18716         (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
18717         (TYPE_LANG_SLOT_1): New.
18718         (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
18719         BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
18720         BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
18721         (BINFO_ELTS): Remove.
18722         (BINFO_LANG_SLOT): New.
18723         (struct tree_binfo): New.
18724         (binfo_lang_slots): Declare.
18725         (enum tree_node_structure_enum): Add TS_BINFO.
18726         (union tree_node): Add binfo.
18727         (make_tree_binfo_stat): Declare.
18728         (make_tree_binfo): New.
18729         (enum tree_node_kind): Add binfo_kind.
18730
18731         * objc/objc-act.c (start_class, objc_declare_protocols,
18732         start_protocols): Use TYPE_LANG_SLOT_1.
18733         * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
18734         to ...
18735         (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
18736         (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
18737         CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
18738         PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.
18739
18740 2004-07-05  Steven Bosscher  <stevenb@suse.de>
18741
18742         * rtl.h (struct rtx_def): Remove the integrated flag.
18743         Use the return_val flag for MEM_SCALAR_P.
18744         Reshuffle and update flags in CLEAR_RTX_FLAGS.
18745
18746 2004-07-05  Richard Sandiford  <rsandifo@redhat.com>
18747
18748         PR target/16357
18749         * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
18750         to mips_expand_unaligned_load, mips_expand_unaligned_store, and
18751         move_by_pieces.
18752
18753 2004-07-05  Josef Zlomek  <zlomekj@suse.cz>
18754
18755         * var-tracking.c: Fix some comments.
18756         (frame_stack_adjust): New.
18757         (vt_stack_adjustments): Init stack_adjust of entry block to
18758         minus stack adjustment of function prologue.
18759         (adjust_stack_reference): Do not adjust if adjustment == 0.
18760         (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
18761         (emit_notes_in_bb): Likewise.
18762         (vt_add_function_parameters): Do not adjust locations of
18763         function arguments.
18764         (vt_initialize): Compute the stack adjustment of function
18765         prologue and offset the initial "location" of frame_base_decl
18766         from the stack pointer after prologue.
18767
18768 2004-07-04  Richard Henderson  <rth@redhat.com>
18769
18770         * function.c (struct assign_parm_data_all): New.
18771         (struct assign_parm_data_one): New.
18772         (assign_parms_initialize_all, assign_parms_augmented_arg_list,
18773         assign_parm_find_data_types, assign_parms_setup_varargs,
18774         assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
18775         assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
18776         assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
18777         assign_parm_setup_block, assign_parm_setup_reg,
18778         assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
18779         (assign_parms): ... here.
18780
18781 2004-07-04  Daniel Berlin  <dberlin@dberlin.org>
18782
18783         * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
18784         now are bitmap_set_t's.
18785         (bitmap_insert_into_set): No point in inserting the value if
18786         it's invariant.
18787         (bitmap_set_contains): New function.
18788         (bitmap_set_replace_value): Add comment on why we do it
18789         this way.
18790         (set_contains): Removed.
18791         (bitmap_set_subtract_from_value_set): New name of
18792         set_subtract now that it's arguments are two different
18793         types of sets.
18794         Update callers.
18795         (bitmap_find_leader): Change algorithm used.
18796         (find_or_generate_expression): Update use of functions for new
18797         bitmap sets.
18798         (create_expression_by_pieces): Ditto.
18799         (insert_aux): Ditto.
18800         (insert): Ditto.
18801         (add_to_sets): Ditto.
18802         (init_pre): Ditto.
18803         (execute_pre): Ditto.
18804         (compute_avail): Ditto.
18805         Also ignore virtual phis.
18806
18807 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
18808
18809         * combine.c (simplify_comparison): Fix comment typo.
18810
18811 2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
18812
18813         * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
18814         into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
18815         (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
18816         (output_restore): Change parameter from 'insn' to 'pat'.
18817         (output_return): Adjust call to output_restore.
18818         (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
18819         Adjust call to output_restore.
18820
18821 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
18822
18823         * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
18824         and assert system is bsd.
18825
18826 2004-07-04  Richard Sandiford  <rsandifo@redhat.com>
18827
18828         * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
18829         (TARGET_SWITCHES): Remove -mdebugc.
18830         * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
18831         (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
18832         (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
18833         (sle_[sd]i_reg): Delete.
18834
18835 2004-07-04  Steven Bosscher  <stevenb@suse.de>
18836
18837         * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
18838         Define.
18839         * config/iq2000/iq2000.md: Translate old pipeline description to an
18840         equivalent new one.
18841
18842 2004-07-04  Roger Sayle  <roger@eyesopen.com>
18843
18844         * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
18845         Ensure the replacement rhs is valid gimple before performing
18846         the substitution.  Return false if these sanity checks fail.
18847         (fold_stmt): Only set changed to true, if set_rhs returns true.
18848         (execute_fold_all_builtins): Only call modify_stmt if set_rhs
18849         succeeds.
18850
18851 2004-07-04  Richard Henderson  <rth@redhat.com>
18852
18853         PR c/16348
18854         * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.
18855
18856 2004-07-04  Mark Mitchell  <mark@codesourcery.com>
18857
18858         * configure.ac (ranlib_flags): New variable.
18859         * Makefile.in (RANLIB_FLAGS): New variable.
18860         (libbackend.a): Use it.
18861         * configure: Regenerated.
18862
18863 2004-07-04  Roger Sayle  <roger@eyesopen.com>
18864
18865         * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
18866         a "sign mask" instead of using ashr_optab directly.
18867
18868 2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>
18869
18870         * doc/cpp.texi: Don't document what we do for ill-formed expressions.
18871         * doc/cppopts.texi: Clarify processing of command-line defines.
18872
18873 2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>
18874
18875         * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.
18876
18877 2004-07-04  Richard Henderson  <rth@redhat.com>
18878
18879         * rtl.def (ADDRESSOF): Remove.
18880         * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
18881         (find_base_term, memrefs_conflict_p): Likewise.
18882         * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
18883         (fold_rtx, cse_insn, set_live_p): Likewise.
18884         * dwarf2out.c (mem_loc_descriptor): Likewise.
18885         (add_location_or_const_value_attribute): Likewise.
18886         * emit-rtl.c (copy_insn_1): Likewise.
18887         * explow.c (memory_address): Likewise.
18888         * expmed.c (store_split_bit_field): Likewise.
18889         * expr.c (expand_expr_real_1): Likewise.
18890         * function.c (instantiate_decl
18891         (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
18892         * genrecog.c (preds, validate_pattern): Likewise.
18893         * integrate.c (copy_rtx_and_substitute): Likewise.
18894         * recog.c (general_operand, register_operand): Likewise.
18895         (memory_address_p): Likwise.
18896         * reload1.c (eliminate_regs, elimination_effects): Likewise.
18897         * rtl.c (copy_rtx): Likewise.
18898         * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
18899         (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
18900         * rtlhooks.c (gen_lowpart_general): Likewise.
18901         * stmt.c (expand_asm_operands): Likewise.
18902         * web.c (entry_register, replace_ref, web_main): Likewise.
18903         * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
18904         alpha_expand_block_move, alpha_expand_block_clear): Likewise.
18905         * config/arm/arm.c (thumb_rtx_costs): Likewise.
18906         * config/c4x/c4x.c (c4x_valid_operands): Likewise.
18907         * config/frv/frv.c (move_destination_operand, move_source_operand,
18908         condexec_dest_operand, condexec_source_operand,
18909         condexec_memory_operand): Likewise.
18910         * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
18911         * config/ia64/ia64.c (general_xfmode_operand): Likewise.
18912         (destination_xfmode_operand): Likewise.
18913         * config/mips/mips.h (PREDICATE_CODES): Likewise.
18914         * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
18915         * config/s390/s390.c (general_s_operand): Likewise.
18916         * config/s390/s390.md (mov*): Likewise.
18917         * config/sparc/sparc.h (PREDICATE_CODES): Likewise.
18918
18919         * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
18920         * expr.c (expand_expr_real_1): Likewise.
18921         * stmt.c (expand_decl): Likewise.
18922         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
18923
18924         * function.c (struct fixup_replacement, struct insns_for_mem_entry,
18925         postponed_insns, put_var_into_stack, put_reg_into_stack,
18926         schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
18927         fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
18928         fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
18929         walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
18930         gen_mem_addressof, flush_addressof, put_addressof_into_stack,
18931         purge_bitfield_addressof_replacements, purge_addressof_replacements,
18932         purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
18933         struct insns_for_mem_walk_info, insns_for_mem_walk,
18934         compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
18935         setjmp_protect_args): Remove.
18936         (push_function_context_to): Don't handle var_refs_queue.
18937         (pop_function_context_from, free_after_compilation): Likewise.
18938         (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
18939         (assign_parms, allocate_struct_function): Likewise.
18940         (use_register_for_decl): New.
18941         (expand_function_end): Don't setjmp_protect.
18942         * function.h (struct emit_status): Update commentary.
18943         (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
18944         (max_parm_reg, parm_reg_stack_loc): Remove.
18945         * passes.c (DFI_addressof): Remove.
18946         (dump_file_info): Remove addressof.
18947         (rest_of_handle_addressof): Remove.
18948         (rest_of_compilation): Don't call it.
18949         * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
18950         * stmt.c (expand_decl): Use use_register_for_decl.
18951         * tree.h: Update decls.
18952         * web.c (mark_addressof): Remove.
18953         * doc/invoke.texi (-dF): Remove.
18954
18955 2004-07-03  Richard Henderson  <rth@redhat.com>
18956
18957         * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
18958         instead of gen_mem_addressof.
18959         * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
18960         TImode output register.
18961
18962 2004-07-03  Richard Henderson  <rth@redhat.com>
18963
18964         PR tree-optimization/16341
18965         * tree-sra.c (sra_walk_function): Increment to next stmt before
18966         processing the current stmt.
18967         (sra_insert_after): Always use BSI_SAME_STMT.
18968
18969 2004-07-03  Richard Henderson  <rth@redhat.com>
18970
18971         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
18972         fp plus with minus.
18973
18974 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
18975
18976         * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
18977         with tree_int_cst_equal.
18978
18979 2004-07-03  Andreas Schwab  <schwab@suse.de>
18980
18981         * config/ia64/ia64.md: Define new attribute "empty".
18982         (prologue_use, nop_x, insn_group_barrier): Set it.
18983
18984         * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
18985         skip over "empty" insns.
18986
18987 2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
18988
18989         * tree-inline.c (initialize_inlined_parameters): Pass proper function
18990         context to gimplify_body.
18991         (walk_tree): Don't walk into types twice.
18992         (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.
18993
18994         * tree-sra.c (generate_element_init): Remove any useless conversions.
18995
18996         * gimplify.c (gimplify_conversion): Remove stripping useless
18997         conversions from here.
18998         (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
18999         (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
19000         Unshare before substituting PLACEHOLDER_EXPR.
19001         (gimplify_modify_expr_to_memset): Likewise.
19002         Pass address of TO to memset, not TO itself.
19003         (gimplify_init_constructor): Make copy of OBJECT so we have it each
19004         time we make an expression (to match a PLACEHOLDER_EXPR).
19005
19006         * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
19007         VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
19008         * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
19009         * tree-ssa-dom.c (local_fold): Likewise.
19010
19011         * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
19012         * langhooks.h (strct lang_hooks): New field type_max_size.
19013         * function.c (assign_temp): Call it.
19014
19015 2004-07-03  Steven Bosscher  <stevenb@suse.de>
19016
19017         * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
19018         * config/sh/sh.md: Convert the SH1 pipeline description to
19019         a DFA model.
19020
19021 2004-07-02  Zack Weinberg  <zack@codesourcery.com>
19022
19023         * c-decl.c (struct c_binding): Remove contour field; add
19024         depth, invisible, nested fields.
19025         (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
19026         (B_IN_EXTERNAL_SCOPE): New convenience macros.
19027         (bind): Add invisible and nested arguments. Initialize
19028         new fields of struct c_binding; adjust loop scanning for
19029         insertion point.
19030         (free_binding_and_advance): Clear structure with memset.
19031         (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
19032         in file scope, even if it's in external scope too.
19033         (pushdecl): Adjust to match.  Create invisible file-scope
19034         declarations for block-scope forward declarations of static functions.
19035         (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
19036         (undeclared_variable, lookup_label, declare_label, define_label)
19037         (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
19038         (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
19039         (store_parm_decls_oldstyle): Adjust to match.
19040         (diagnose_mismatched_decls): Correct handling of linkage clashes.
19041         (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.
19042
19043         * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
19044         (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.
19045
19046 2004-07-02  Richard Henderson  <rth@redhat.com>
19047
19048         * c-decl.c (grokdeclarator): Don't frob current_function_decl
19049         around variable_size.
19050         (set_decl_nonlocal): Remove.
19051         (store_parm_decls): Add stmts for pending sizes.
19052         * calls.c (calls_function, calls_function_1): Remove.
19053         (precompute_arguments): Don't call it.
19054         * cfgexpand.c (set_save_expr_context): Remove.
19055         (tree_expand_cfg): Don't call it.
19056         * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
19057         (dwarf2out_finish): Likewise.
19058         * expr.c (emit_block_move): Adjust addresses to BLKmode.
19059         (store_constructor): Don't pre-evaluate SAVE_EXPR.
19060         (safe_from_p): Don't queue SAVE_EXPRs.
19061         (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
19062         or build plain VAR_DECLs.
19063         * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
19064         (fold): Likewise.
19065         (fold_checksum_tree): Don't special-case SAVE_EXPR.
19066         * function.c (free_after_compilation): Don't clear x_save_expr_regs.
19067         (put_var_into_stack): Don't handle SAVE_EXPR.
19068         (gen_mem_addressof): Likewise.
19069         * function.h (struct function): Remove x_save_expr_regs.
19070         (save_expr_regs): Remove.
19071         * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
19072         * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
19073         * stor-layout.c (variable_size): Don't set it.
19074         (force_type_save_exprs, force_type_save_exprs_1): Remove.
19075         * tree-inline.c (remap_save_expr): Remove fn argument.  Update
19076         all callers.  Don't set SAVE_EXPR_CONTEXT.
19077         * tree-inline.h (remap_save_expr): Update decl.
19078         * tree.c (save_expr): Update build size.
19079         (first_rtl_op): Don't handle SAVE_EXPR.
19080         (unsave_expr_1, contains_placeholder_p): Likewise.
19081         (decl_function_context): Likewise.
19082         * tree.def (SAVE_EXPR): Remove args 1 and 2.
19083         * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
19084         (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.
19085
19086 2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>
19087
19088         * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
19089         doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
19090         doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
19091         doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
19092         some first-person references and patronizing comments.  Based on
19093         printed manual.
19094         * doc/invoke.texi: Don't reference fortran@gnu.org.
19095         * doc/trouble.texi (Warning when a non-void function value is
19096         ignored): Rewrite.  From Russ Allbery and Chris Devers.
19097
19098 2004-07-02  Daniel Berlin  <dberlin@dberlin.org)
19099
19100         * tree-ssa-pre.c (bitmap_set_t): New.
19101         (bb_value_sets): avail_out is now a bitmap_set_t.
19102         (bitmap_find_leader): New function.
19103         (bitmap_value_insert_into_set): Ditto.
19104         (bitmap_set_copy): Ditto.
19105         (bitmap_value_replace_in_set): Ditto.
19106         (bitmap_set_contains_value): Ditto.
19107         (bitmap_set_new): Ditto.
19108         (bitmap_set_pool): New pool.
19109         (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
19110         (insert_aux): Ditto.
19111         (add_to_sets): Ditto.
19112         (compute_avail): Ditto
19113         (eliminate): Ditto.
19114         (init_pre): Ditto.
19115         (fini_pre): Ditto.
19116         (execute_pre): Ditto.
19117
19118 2004-07-02  Roger Sayle  <roger@eyesopen.com>
19119
19120         * config/rs6000/rs6000.c (struct processor_costs): New structure
19121         used to hold instruction latencies/sizes for processor types.
19122         (rs6000_cost): New global variable pointing to current CPU's costs.
19123         (rs6000_override_options): Initialize rs6000_cost to point to the
19124         appropriate cost table based upon rs6000_cpu and optimize_size.
19125         (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
19126         timings inline.
19127
19128 2004-07-02  Richard Henderson  <rth@redhat.com>
19129
19130         * expmed.c (make_tree): Don't use SET_DECL_RTL.
19131
19132 2004-07-02  Steven Bosscher  <stevenb@suse.de>
19133
19134         * tree-flow.h (bb_ann_d): Remove ephi_nodes field.
19135
19136 2004-07-01  Richard Henderson  <rth@redhat.com>
19137
19138         * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
19139         (alpha_gp_save_rtx): Use assign_stack_local instead of
19140         gen_mem_addressof.
19141
19142 2004-07-01  Richard Henderson  <rth@redhat.com>
19143
19144         * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
19145         (alpha_rtx_cost_data): Update to match.
19146         (alpha_rtx_cost_size): New.
19147         (alpha_rtx_costs): Honor optimize_size.
19148
19149 2004-07-01  Richard Henderson  <rth@redhat.com>
19150
19151         * gimple-low.c (lower_function_body): Don't reset_block_changes here.
19152         * cfgexpand.c (tree_expand_cfg): Do it here.
19153         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
19154         * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
19155         * config/mips/mips.c (mips_output_mi_thunk): And here.
19156         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
19157         * config/sh/sh.c (sh_output_mi_thunk): And here.
19158         * config/sparc/sparc.c (sparc_output_mi_thunk): And here.
19159
19160 2004-07-01  Richard Henderson  <rth@redhat.com>
19161
19162         * tree.def (RTL_EXPR): Remove.
19163         * c-typeck.c (lvalue_p): Don't handle it.
19164         * expr.c (safe_from_p): Likewise.
19165         (expand_expr_real_1): Likewise.
19166         * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
19167         (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
19168         * gengtype.c (adjust_field_tree_exp): Likewise.
19169         * stmt.c (warn_if_unused_value): Likewise.
19170         * tree-gimple.c (recalculate_side_effects): Likewise.
19171         * tree-pretty-print.c (dump_generic_node): Likewise.
19172         * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
19173         (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
19174         * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.
19175
19176         * stmt.c (struct stmt_status): Remove x_last_expr_type,
19177         x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
19178         (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
19179         (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
19180         all the bits that tracked last_expr.
19181         (expand_end_bindings): Don't track last_expr.
19182         (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
19183         (clear_last_expr): Remove.
19184         (expand_asm): Don't call it.
19185         (expand_asm_operands, expand_end_cond): Likewise.
19186         (expand_naked_return, expand_null_return_1): Likewise.
19187         * c-typeck.c (c_begin_compound_stmt): Likewise.
19188         * cfgexpand.c (expand_block): Use expand_expr_stmt.
19189         * expr.c (expand_expr_real_1): Likewise.
19190         * tree.h: Update prototypes.
19191
19192         * function.h (struct sequence_stack): Remove sequence_rtl_expr.
19193         (struct emit_status): Remove sequence_rtl_expr.
19194         (struct function): Remove x_rtl_expr_chain.
19195         (seq_rtl_expr, rtl_expr_chain): Remove.
19196         * function.c (struct temp_slot): Remove rtl_expr.
19197         (assign_stack_temp_for_type): Don't set it.
19198         (free_temp_slots, pop_temp_slots): Don't check it.
19199         (free_after_compilation): Don't clear x_rtl_expr_chain.
19200         (fixup_var_refs): Don't search it.
19201         (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
19202         * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
19203         or seq_rtl_expr.
19204         (push_topmost_sequence): Likewise.
19205         (end_sequence, init_emit): Likewise.
19206         (start_sequence_for_rtl_expr): Remove.
19207         * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
19208         * rtl.h (preserve_rtl_expr_result): Remove.
19209
19210 2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>
19211
19212         * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
19213         tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
19214         typos.
19215
19216 2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>
19217
19218         * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
19219         (STANDARD_STARTFILE_PREFIX_2): Define.
19220         (standard_startfile_prefix_1): Initialize to
19221         STANDARD_STARTFILE_PREFIX_1.
19222         (standard_startfile_prefix_2): Initialize to
19223         STANDARD_STARTFILE_PREFIX_2.
19224         * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
19225         (STANDARD_STARTFILE_PREFIX_1): Define.
19226         (STANDARD_STARTFILE_PREFIX_2): Define.
19227         * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
19228         (STANDARD_STARTFILE_PREFIX_2): Document.
19229
19230 2004-07-01  Richard Henderson  <rth@redhat.com>
19231
19232         * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
19233         in order to disable scalarization.  Instead set a flag and wait
19234         for a candidate decl.
19235
19236 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
19237
19238         * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
19239         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
19240         Use terminology "testsuite" and "enumerated".
19241
19242 2004-07-01  Richard Henderson  <rth@redhat.com>
19243
19244         * dwarf2out.c (reg_save): Use INVALID_REGNUM.
19245         (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
19246         (initial_return_save): Likewise.
19247         (flush_queued_reg_saves): Remap register numbers.
19248         (dwarf2out_return_reg): Likewise.
19249
19250 2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
19251
19252         * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.
19253
19254         * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
19255         access functions for lower bound and element size and only output
19256         if lower bound nonzero or element size not same as that of type.
19257         (dump_generic_node, case COMPONENT_REF): Use access func. for offset.
19258
19259 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
19260
19261         * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.
19262
19263 2004-07-01  Per Bothner  <per@bothner.com>
19264
19265         * final.c (final):  Fix typo reported by Aaron W. LaFramboise.
19266
19267 2004-07-01  Jakub Jelinek  <jakub@redhat.com>
19268
19269         * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
19270         bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
19271         first operand.  Don't optimize if the bitfield is volatile.
19272
19273 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
19274
19275         * c-pretty-print.c (pp_c_postfix_expression): Handle
19276         floating-point comparison operators.
19277         (pp_c_expression): Pass floating-point comparison
19278         operators to pp_c_postfix_expression.
19279
19280 2004-07-01  Roger Sayle  <roger@eyesopen.com>
19281
19282         * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
19283         rtx_cost instead of "had_mult" to determine whether the transformed
19284         expression is cheaper than the original.
19285
19286 2004-07-01  Jerry Quinn  <jlquinn@optonline.net>
19287
19288         * alias.c (get_alias_set, canon_rtx, get_addr,
19289         nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
19290         Use MEM_P.
19291         * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
19292         expand_builtin): Likewise.
19293         * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
19294         Likewise.
19295         * combine.c (can_combine_p, combinable_i3pat, try_combine,
19296         find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
19297         rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
19298         record_dead_and_set_regs_1, get_last_value_validate,
19299         mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
19300         * cse.c (check_dependence, canon_hash, equiv_constant,
19301         gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
19302         cse_around_loop, cse_check_loop_start, cse_set_around_loop,
19303         count_reg_usage): Likewise.
19304         * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
19305         cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
19306         cselib_record_sets): Likewise.
19307         * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
19308         dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
19309         * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
19310         * df.c (df_uses_record): Likewise.
19311         * dojump (do_jump): Likewise.
19312         * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
19313         loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
19314         decl_start_label): Likewise.
19315         * emit-rtl.c (gen_complex_constant_part, gen_highpart,
19316         operand_subword, change_address_1, make_safe_from): Likewise.
19317         * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
19318         stabilize, force_not_mem): Likewise.
19319         * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
19320         expand_mult_const, expand_divmod, emit_store_flag): Likewise.
19321         * expr.c (convert_move, convert_modes, emit_block_move,
19322         emit_group_load, emit_group_store, clear_storage, emit_move_insn,
19323         emit_move_insn_1, expand_assignment, store_expr,
19324         store_constructor_field, store_constructor, store_field,
19325         force_operand, safe_from_p, expand_expr_real_1, expand_increment):
19326         Likewise.
19327         * final.c (cleanup_subreg_operands, alter_subreg,
19328         get_mem_expr_from_op): Likewise.
19329         * flow.c (notice_stack_pointer_modification_1,
19330         init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
19331         Likewise.
19332         * function.c (mark_temp_addr_taken, preserve_temp_slots,
19333         preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
19334         optimize_bit_field, flush_addressof, purge_addressof_1,
19335         instantiate_decl, instantiate_virtual_regs_1, assign_parms,
19336         setjmp_protect, setjmp_protect_args, fix_lexical_addr,
19337         keep_stack_depressed): Likewise.
19338         * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
19339         noce_process_if_block, find_memory): Likewise.
19340         * integrate.c (subst_constants, allocate_initial_values): Likewise.
19341         * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
19342         update_equiv_regs): Likewise.
19343         * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
19344         maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
19345         * optabs.c (expand_abs, emit_unop_insn): Likewise.
19346         * passes.c (rest_of_handle_final): Likewise.
19347         * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
19348         move2add_note_store): Likewise.
19349         * ra-build.c (detect_remat_webs): Likewise.
19350         * ra-debug.c (dump_static_insn_cost): Likewise.
19351         * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
19352         * recog.c (validate_change, apply_change_group, cancel_changes,
19353         validate_replace_rtx_1, general_operand, register_operand,
19354         nonmemory_operand, push_operand, pop_operand, memory_operand,
19355         indirect_operand, asm_operand_ok, offsettable_memref_p,
19356         offsettable_nonstrict_memref_p, constrain_operands,
19357         store_data_bypass_p): Likewise.
19358         * reg-stack.c (subst_stack_regs_pat): Likewise.
19359         * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
19360         copy_cost, reg_scan_mark_refs): Likewise.
19361         * regmove.c (optimize_reg_copy_3, stack_memref_p,
19362         combine_stack_adjustments_for_block): Likewise.
19363         * regrename.c (copyprop_hardreg_forward_1): Likewise.
19364         * reload.c (can_reload_into, push_reload, decompose, immune_p,
19365         find_reloads, find_reloads_address, find_reloads_address_1,
19366         reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
19367         find_equiv_reg): Likewise.
19368         * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
19369         reload_as_needed, choose_reload_regs, emit_input_reload_insns,
19370         do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
19371         delete_address_reloads): Likewise.
19372         * resource.c (mark_referenced_resources): Likewise.
19373         * rtlanal.c (get_jump_table_offset, count_occurrences,
19374         reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
19375         reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
19376         num_sign_bit_copies1): Likewise.
19377         * rtlhooks.c (gen_lowpart_general): Likewise.
19378         * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
19379         * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
19380         sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
19381         sdbout_global_decl): Likewise.
19382         * simplify-rtx.c (simplify_subreg): Likewise.
19383         * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
19384         expand_anon_union_decl, expand_end_case_type): Likewise.
19385         * unroll.c (calculate_giv_inc): Likewise.
19386         * var-tracking.c (stack_adjust_offset_pre_post,
19387         bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
19388         add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
19389         vt_add_function_parameters): Likewise.
19390         * varasm.c (make_var_volatile, notice_global_symbol,
19391         assemble_external, decode_addr_const, mark_weak,
19392         default_encode_section_info): Likewise.
19393
19394 2004-07-01  Steven Bosscher  <stevenb@suse.de>
19395
19396         * stmt.c (check_seenlabel): Remove.
19397         (pushcase, pushcase_range, expand_end_case_type): Don't call it.
19398
19399 2004-07-01  Richard Henderson  <rth@redhat.com>
19400
19401         * function.h (struct function): Remove x_function_call_count.
19402         (function_call_count): Remove.
19403         * calls.c (expand_call): Don't set it.
19404         * integrate.c (copy_rtx_and_substitute): Likewise.
19405
19406         * function.h (struct function): Remove x_cleanup_label.
19407         (cleanup_label): Remove.
19408         * stmt.c (expand_value_return): Don't use it.
19409         * function.c (free_after_compilation): Don't set it.
19410         (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
19411         * cfgexpand.c (tree_expand_cfg): Update call.
19412         * tree.h (expand_function_start): Update decl.
19413
19414 2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>
19415
19416         PR c/1027
19417         * c-lang.c (c_initialize_diagnostics): Move from here ...
19418         * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
19419         (c_tree_printer): Use pretty-printer to format %T.
19420         * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
19421         before '*' if not C++.
19422         (pp_c_direct_abstract_declarator): Don't try to print array upper
19423         bound for flexible array members.
19424         * c-tree.h: Include "diagnostic.h".
19425         (c_initialize_diagnostics): Declare.
19426         * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
19427         * c-format.c (format_type_warning): New function.  Improve
19428         diagnostics for incorrect format argument types.
19429         (check_format_types): Use it.  Add two parameters.  Use the
19430         TYPE_MAIN_VARIANT of wanted_type.
19431         (check_format_info_main): Pass new parameters to
19432         check_format_types.
19433         (struct format_wanted_type): Update comment.
19434
19435 2004-07-01  Nick Clifton  <nickc@redhat.com>
19436
19437         * target.h (struct gcc_target): Add new field to struct cxx:
19438         import_export_class.
19439         * target-def.h (TARGET_CXX): Initialise the new field.
19440         (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
19441         the new field.
19442         * doc/tm.texi: Document the new target hook.
19443
19444 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
19445
19446         * builtins.c (fold_builtin_classify): Fix typo.
19447
19448 2004-07-01  Richard Henderson  <rth@redhat.com>
19449
19450         * function.c (identify_blocks, identify_blocks_1): Remove.
19451         * function.h (identify_blocks): Remove.
19452         * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.
19453
19454 2004-07-01  Paolo Bonzini  <bonzini@gnu.org>
19455
19456         * builtins.c (fold_builtin_classify): New.
19457         (fold_builtin_unordered_cmp): Fix commentary.
19458         (fold_builtin): Use it.
19459         * builtins.def: Define builtins for isnan,
19460         isnanf, isnanl, finite, finitef, finitel,
19461         isinf, isinff, isinfl.
19462
19463 2004-07-01  Richard Henderson  <rth@redhat.com>
19464
19465         * function.h (struct function): Remove dont_emit_block_notes.
19466         * gimple-low.c (lower_function_body): Don't set it.
19467         * cfgexpand.c (expand_block): Don't check it.
19468         * cfglayout.c (insn_locators_initialize): Likewise.
19469         * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
19470         * passes.c (rest_of_compilation): Likewise.
19471         * stmt.c (expand_start_bindings_and_block): Likewise.
19472         (expand_end_bindings): Likewise.
19473
19474 2004-07-01  Richard Henderson  <rth@redhat.com>
19475
19476         * cgraph.h (cgraph_build_static_cdtor): Declare.
19477         * cgraphunit.c (cgraph_build_static_cdtor): New.
19478         * c-objc-common.c (build_cdtor): Use it.
19479         * coverage.c (create_coverage): Likewise.
19480         * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
19481         * optabs.c (init_optabs): Don't set gcov_init_libfunc.
19482
19483 See ChangeLog.11 for earlier changes.