19c5a6610daec61025555d53b1cea8d6310b885a
[gcc/gcc.git] / gcc / ChangeLog
1 2004-05-25  Alexandre Oliva  <aoliva@redhat.com>
2
3         * configure.ac (gcc_cv_ld): Prefer in-tree ld over whatever the
4         top-level detects, except when in-tree ld is being cross-built.
5         (gcc_cv_as): Likewise for as.  Use AS_FOR_TARGET otherwise, and
6         then AS only if target is host.
7         * configure: Rebuilt.
8
9 2004-05-25  Vladimir Makarov  <vmakarov@redhat.com>
10
11         * global.c (global_alloc): Call make_accurate_live_analysis.
12         (record_one_conflict): Remove dead code.
13         (mark_reg_clobber): Remove ATTRIBUTE_UNUSED for parameter data.
14         (bb_info): New structure.
15         (BB_INFO, BB_INFO_BY_INDEX): New macros.
16         (allocate_bb_info, free_bb_info, mark_reg_change,
17         calculate_local_reg_bb_info, set_up_bb_rts_numbers, rpost_cmp,
18         modify_bb_reg_pav, calculate_reg_pav,
19         make_accurate_live_analysis): New functions.
20         
21 2004-05-25  Devang Patel  <dpatel@apple.com>
22
23         * alias.c (init_alias_analysis): Use ggc_calloc instead of
24         xrealloc.
25         (end_alias_analysis): Use ggc_free instead fo free.
26         
27 2004-05-25  Andrew Pinski  <pinskia@physics.uc.edu>
28
29         PR target/15546
30         * config/ia64/ia64.h (ASM_OUTPUT_FDESC): Mark the DECL
31         as needed to be outputted.
32
33 2004-05-25  Jan Hubicka  <jh@suse.cz>
34
35         * builtins.def (__builtin_expect):  Mark the function as const&nothrow.
36
37 2004-05-25  Ayal Zaks  <zaks@il.ibm.com>
38         Mostafa Hagog  <mustafa@il.ibm.com>
39
40         * Makefile.in (modulo-sched.o, ddg.o): New.
41         * ddg.h, ddg.c, modulo-sched.c: New files.
42         * cfglayout.c (duplicate_insn_chain): Remove "static" and push
43         internals to "dupicate_insn".
44         (duplicate_insn): New function.
45         * cfglayout.h (duplicate_insn_chain, duplicate_insn): New
46         declarations.
47         * common.opt (fmodulo-sched): New flag.
48         * df.c (df_bb_regno_last_use_find, df_bb_regno_first_def_find):
49         Remove static and forward declaration.
50         (df_find_def, df_reg_used, df_bb_regno_last_def_find): New
51         functions.
52         * df.h (df_bb_regno_last_use_find, df_bb_regno_first_def_find,
53         df_bb_regno_last_def_find, df_find_def, df_reg_used): New
54         declarations.
55         * flags.h (flag_modulo_sched): New flag.
56         * opts.c (common_handle_option): Handle modulo-sched flag.
57         * params.def (max-sms-loop-number, sms-max-ii-factor,
58         sms-dfa-history, sms-loop-average-count-threshold): New
59         parameters.
60         * params.h (MAX_SMS_LOOP_NUMBER, SMS_MAX_II_FACTOR,
61         SMS_DFA_HISTORY, SMS_LOOP_AVERAGE_COUNT_THRESHOLD): New
62         parameters.
63         * passes.c ("sms", "sms-vcg"): New dumps.
64         (rest_of_handle_sched): Call sms_schedule.
65         * rtl.h (sms_schedule): New declaration.
66         * timevar.def (TV_SMS): New.
67         * toplev.c (flag_modulo_sched): Initialize.
68         (f_options): Handle -fmodulo-sched option.
69         * docs/invoke.texi: Document -fmodulo-sched & -dm options.
70         * docs/passes.texi: Document new SMS pass.
71
72 2004-05-25  Paolo Bonzini  <bonzini@gnu.org>
73
74         * Makefile.in (OBJS): Add rtlhooks.o.
75         (rtlanal.o): Depend on function.h.
76         (cse.o): Depend on rtlhooks-def.h.
77         (combine.o): Depend on rtlhooks-def.h.
78         (rtlhooks.o): New rule.
79         * combine.c: Include rtlhooks-def.h.
80         (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
81         num_sign_bit_copies, cached_num_sign_bit_copies,
82         num_sign_bit_copies1): Move most of the code to rtlanal.c.
83         (reg_nonzero_bits_for_combine,
84         reg_num_sign_bit_copies_for_combine): New functions holding
85         the remnants of the above.
86         (combine_rtl_hooks): New.
87         (combine_instructions): Set rtl_hooks instead of gen_lowpart.
88         * cse.c: Include rtlhooks-def.h.
89         (cse_rtl_hooks): New.
90         (cse_main): Set rtl_hooks instead of gen_lowpart.
91         * emit-rtl.c (gen_lowpart): Remove.
92         (gen_lowpart_general): Move to rtlhooks.c.
93         * rtl.h (nonzero_bits, num_sign_bit_copies,
94         struct rtl_hooks, rtl_hooks, general_rtl_hooks): New.
95         (gen_lowpart_general): Remove.
96         (gen_lowpart): Temporarily redefine as a macro.
97         * rtlanal.c: Include function.h.
98         (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
99         num_sign_bit_copies, cached_num_sign_bit_copies,
100         num_sign_bit_copies1): New, from combine.c.
101         * rtlhooks.c: New file. 
102
103 2004-05-25  Svein E. Seldal  <Svein.Seldal@solidas.com>
104
105         * config/avr/avr.h (LONG_LONG_TYPE_SIZE): Changed long long type
106         to support 32-bit -mint8 mode.
107
108         * doc/invoke.texi (-mint8): Added documentation for the -mint8
109         option in the AVR architecture. 
110
111 2004-05-24  Mike Stump  <mrs@apple.com>
112
113         * doc/install.texi: Document that dejagnu 1.4.4 is required.
114
115 2004-05-24  Joseph S. Myers  <jsm@polyomino.org.uk>
116
117         * intl.h (open_quote, close_quote): New.
118         * intl.c (open_quote, close_quote): New.
119         (gcc_init_libintl): Set them.
120         * pretty-print.c: Include "intl.h".
121         (pp_base_format_text): Support 'q' format flag and %` and %'
122         formats.  Use ' instead of ` in comments.
123         * c-format.c (gcc_diag_flag_specs, gcc_cxxdiag_flag_specs,
124         gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table,
125         foramt_types_orig): Describe these new formats.
126         (decode_format_attr, check_function_format,
127         check_format_info_main): Use these new formats.
128         (status_warning): Use ATTRIBUTE_GCC_DIAG.
129         * toplev.c (ATTRIBUTE_GCC_DIAG): Increase required GCC version to
130         check these formats to 3.5.
131
132 2004-05-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
133
134         * Makefile.in (CPPLIBS): Renamed to CPPLIB.
135         (BACKEND): Reflect this.
136         (LIBDEPS): Move CPPLIB before LIBIBERTY.
137         (LIBS): Likewise.
138
139 2004-05-24  Ulrich Weigand  <uweigand@de.ibm.com>
140
141         PR tree-optimization/14197
142         * builtins.c: Include "tree-gimple.h"
143         (readonly_data_expr): Use get_base_address.  Make sure to call 
144         decl_readonly_section only on trees it can handle.
145         * tree-gimple.c (get_base_address): Accept STRING_CST and
146         CONSTRUCTOR expressions.
147         * Makefile.in: Update dependencies.
148
149 2004-05-23  Paolo Bonzini  <bonzini@gnu.org>
150
151         Move libcpp to the toplevel.
152         * Makefile.in: Remove references to libcpp files,
153         use CPPLIBS instead of libcpp.a.  Define SYMTAB_H
154         and change hashtable.h to that.
155         * aclocal.m4 (gcc_AC_HEADER_STDBOOL,
156         gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
157         * configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
158         * configure: Regenerate.
159         * config.in: Regenerate.
160         * c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
161         * cppcharset.c: Removed.
162         * cpperror.c: Removed.
163         * cppexp.c: Removed.
164         * cppfiles.c: Removed.
165         * cpphash.c: Removed.
166         * cpphash.h: Removed.
167         * cppinit.c: Removed.
168         * cpplex.c: Removed.
169         * cpplib.c: Removed.
170         * cpplib.h: Removed.
171         * cppmacro.c: Removed.
172         * cpppch.c: Removed.
173         * cpptrad.c: Removed.
174         * cppucnid.h: Removed.
175         * cppucnid.pl: Removed.
176         * cppucnid.tab: Removed.
177         * hashtable.c: Removed.
178         * hashtable.h: Removed.
179         * line-map.c: Removed.
180         * line-map.h: Removed.
181         * mkdeps.c: Removed.
182         * mkdeps.h: Removed.
183         * stringpool.h: Include symtab.h instead of hashtable.h.
184         * tree.h: Include symtab.h instead of hashtable.h.
185         * system.h (O_NONBLOCK, O_NOCTTY): Do not define.
186
187 2004-05-23 Paolo Bonzini <bonzini@gnu.org>
188
189         * gcc.c (struct prefix_list): Add forward declaration.
190         (do_spec_path): New function, extracted from...
191         (do_spec_1) <'D'>: ... here.  Drop support for
192         SPACE_AFTER_L_OPTION.
193         (do_spec_1) <'I'>: Use do_spec_path.
194         (process_command): Do not store the 'include' suffix
195         in include_prefixes.
196         * system.h: Poison SPACE_AFTER_L_OPTION.
197
198 2002-05-23  Roger Sayle  <roger@eyesopen.com>
199
200         * fold-const.c (non_lvalue): Explicitly list the tree codes that
201         need to be wrapped by NON_LVALUE_EXPR, instead of those that don't.
202
203 2004-05-23  Joseph S. Myers  <jsm@polyomino.org.uk>
204
205         * doc/gcc.texi, doc/gccint.texi, doc/include/gcc-common.texi:
206         Update based on printed manual.  Enable setting of offsets for
207         FSFPRINT and move it to gcc-common.texi.
208         * doc/gcc.texi: Update FSF printing details.
209         * doc/gccint.texi: Remove FSF printing details.
210
211 2004-05-23  Andrew Pinski  <pinskia@physics.uc.edu>
212
213         * config/rs6000/t-rs6000: Remove the disabling -Werror.
214
215 2004-05-22  Roger Sayle  <roger@eyesopen.com>
216
217         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
218         expand_builtin_strrchr, expand_builtin_strpbrk,
219         expand_builtin_mempcpy, expand_builtin_memcmp,
220         expand_builtin_strcmp, expand_builtin_strncmp,
221         expand_builtin_strcat, std_expand_builtin_va_start,
222         std_expand_builtin_va_arg, expand_builtin_va_copy,
223         expand_builtin_signbit, fold_builtin_cabs,
224         fold_builtin_logarithm, fold_builtin_mempcpy,
225         fold_builtin_signbit, fold_builtin_isascii,
226         fold_builtin_toascii, fold_builtin_isdigit,
227         fold_builtin_1, build_function_call_expr,
228         simplify_builtin_strchr, simplify_builtin_strrchr,
229         simplify_builtin_strpbrk, simplify_builtin_strncpy,
230         simplify_builtin_memcmp, simplify_builtin_strcmp,
231         simplify_builtin_strncmp, simplify_builtin_strncat,
232         simplify_builtin_strspn, simplify_builtin_strcspn,
233         simplify_builtin_fputs, simplify_builtin_sprintf): Replace calls
234         to build with calls to build2, build3 or omit_one_operand.
235
236 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
237
238         * config/mips/mips.c (mips_file_start): Emit a .gcc_compiled_longXX
239         section when generating EABI code.
240
241 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
242
243         PR 15546
244         * config/i386/i386.c (output_pic_addr_const <case SYMBOL_REF>):
245         Call mark_decl_referenced on the SYMBOL_REF_DECL.
246
247 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
248
249         * c-common.c (c_common_truthvalue_conversion): Handle
250         UNEQ_EXPR, UNLE_EXPR, UNGE_EXPR, UNLT_EXPR, UNGT_EXPR,
251         ORDERED_EXPR, and UNORDERED_EXPR as comparison operators,
252         i.e. set the type to truthvalue_type_node and return.
253
254 2004-05-22  Zack Weinberg  <zack@codesourcery.com>
255
256        * tree.h (struct tree_decl): Add possibly_inlined bit.
257         (DECL_POSSIBLY_INLINED): New accessor macro.
258         * cgraph.h: Remove declaration of cgraph_inline_hash.
259         * cgraph.c: Remove definition of cgraph_inline_hash.
260         (hash_node): Revert to hashing DECL_UID.
261         (eq_node): Take two pointers to cgraph_node structures.
262         Compare DECL_UIDs.
263         (cgraph_remove_node): Pass the node directly to htab_find_slot.
264         (cgraph_varpool_hash_node): Rename hash_varpool_node;
265         hash on DECL_UID.
266         (eq_cgraph_varpool_node): Rename eq_varpool_node; take two
267         pointers to cgraph_varpool_node structures; compare DECL_UIDs.
268         (cgraph_node): Allocate a temporary node on the stack, fill in
269         its DECL field, and pass that to htab_find_slot.
270         (cgraph_varpool_node): Likewise.
271         (cgraph_function_possibly_inlined_p): If global info is ready,
272         return the DECL_POSSIBLY_INLINED bit.
273         * cgraphunit.c (cgraph_mark_inline_edge): Set DECL_POSSIBLY_INLINED
274         instead of mucking with cgraph_inline_hash.
275
276 2004-05-22  Joseph S. Myers  <jsm@polyomino.org.uk>
277
278         * doc/contrib.texi: Add g77 contributors.
279
280 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
281
282         * calls.c (initialize_argument_information): Forbid sibcalls if a
283         callee-copied argument is stored in the current function's frame.
284
285 2004-05-22  Eric Christopher  <echristo@redhat.com>
286
287         * fix-header.c (read_scan_file): Update for add_path change.
288
289 2004-05-22  Ben Elliston  <bje@au.ibm.com>
290
291         * c.opt (Wmissing-include-dirs): New.
292         * c-opts.c (c_common_handle_option): Pass true for user_supplied_p
293         to add_path () for -I, but false for OPT_idirafter, OPT_iquote and
294         OPT_isystem. Handle case OPT_Wmissing_include_dirs.
295         * c-incpath.h (add_path): Add fourth (bool) argument.
296         * c-incpath.c (add_env_var_paths): Pass false to add_path ().
297         (add_standard_paths): Likewise.
298         (remove_duplicates) [REASON_NOENT]: Warn if -Wmissing-include-dirs
299         is used and the directory was user-supplied via -I.
300         (add_path): Set p->user_supplied_p.  Remove duplicated code by
301         using add_cpp_dir_path ().
302         * cpplib.h (struct cpp_options): Add warn_missing_include_dirs.
303         (struct cpp_dir): Add user_supplied_p.
304         * doc/invoke.texi (Warning Options): Document new option.
305
306 2004-05-21  Ulrich Weigand  <uweigand@de.ibm.com>
307
308         * fold-const.c (fold_read_from_constant_string): Convert result to
309         requested type.
310
311 2004-05-21  Richard Henderson  <rth@redhat.com>
312
313         * gimplify.c (mostly_copy_tree_r): Don't attempt to copy decls.
314         (copy_if_shared_r): Don't copy decls, types, constants, BINDs.
315         Don't mark VA_ARG_EXPRs volatile here.
316         (gimplify_modify_expr): Unshare TYPE_SIZE_UNIT.
317
318 2004-05-21  Richard Henderson  <rth@redhat.com>
319
320         * Makefile.in (tree-dump.o): Depend on tree-iterator.h.
321         * tree-dump.c (dequeue_and_dump): Dump STATEMENT_LISTs.
322
323 2004-05-21  Roger Sayle  <roger@eyesopen.com>
324
325         * fold-const.c (fold, fold_relational_hi_lo,
326         nondestructive_fold_binary_to_constant,
327         fold_read_from_constant_string): Use fold_convert instead of convert.
328         * builtins.c (simplify_builtin, simplify_builtin_strstr,
329         simplify_builtin_strchr, simplify_builtin_strrchr,
330         simplify_builtin_strpbrk): Use fold_convert instead of convert.
331
332 2004-05-21  Diego Novillo  <dnovillo@redhat.com>
333
334         * tree-flow-inline.h (num_immediate_uses): Don't abort if DF
335         is NULL.
336
337 2004-05-21  Jakub Jelinek  <jakub@redhat.com>
338
339         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): If SPARC_BI_ARCH,
340         override sparc.h definition.
341
342 2004-05-20  Roger Sayle  <roger@eyesopen.com>
343
344         * tree.c (array_type_nelts, save_expr, substitute_in_expr,
345         get_unwidened, get_narrower): Replace build with build2.
346         * fold-const.c (negate_expr, associate_trees, size_binop,
347         fold_convert, eval_subst, omit_one_operand, invert_truthvalue,
348         pedantic_omit_one_operand, distribute_bit_expr,
349         make_bit_field_ref, optimize_bit_field_compare,
350         decode_field_reference, range_binop, make_range,
351         build_range_check, fold_range_test, fold_truthop,
352         optimize_minmax_comparison, extract_muldiv_1,
353         fold_binary_op_with_conditional_arg, fold_mathfn_compare,
354         fold_inf_compare, fold_single_bit_test, fold,
355         fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
356         Likewise replace build with either build2 or build3.
357
358 2004-05-20  Ian Lance Taylor  <ian@wasabisystems.com>
359
360         * system.h: Poison NO_RECURSIVE_FUNCTION_CSE.
361         * calls.c (prepare_call_address): Don't test
362         NO_RECURSIVE_FUNCTION_CSE.
363         * config/arc/arc.h (NO_RECURSIVE_FUNCTION_CSE): Don't define.
364         * config/arm/arm.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
365         * config/avr/avr.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
366         * config/frv/frv.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
367         * config/i386/i386.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
368         * config/ip2k/ip2k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
369         * config/iq2000/iq2000.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
370         * config/m32r/m32r.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
371         * config/m68k/m68k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
372         * config/mcore/mcore.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
373         * config/mips/mips.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
374         * config/stormy16/stormy16.h (NO_RECURSIVE_FUNCTION_CSE):
375         Likewise.
376         * config/xtensa/xtensa.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
377         * config/sh/sh.h: Remove NO_RECURSIVE_FUNCTION_CSE comment.
378         * doc/tm.texi (Costs): Remove documentation for
379         NO_RECURSIVE_FUNCTION_CSE.
380
381 2004-05-20  Paul Brook  <paul@codesourcery.com>
382
383         * unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
384         * unwind-dw2.c (extract_cie_info): Ditto.
385         (_Unwind_FrameState): Change retaddr_column to word type.
386
387 2004-05-20  Roger Sayle  <roger@eyesopen.com>
388
389         PR middle-end/3074
390         * fold-const.c (strip_compound_expr): Delete function.
391         (count_cond): Delete function.
392         (fold_binary_op_with_conditional_arg): Only perform transformations
393         "a + (b?c:d) -> b ? a+c : a+d" and "(b?c:d) + a -> b ? c+a : d+a"
394         when a is constant.  This greatly simplifies this routine.
395
396         * tree.c (saved_expr_p): Delete function.
397         * tree.h (saved_expr_p): Delete function prototype.
398
399 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
400
401         * common.opt (ftree-loop-optimize): Remove.
402
403 2004-05-20  Daniel Jacobowitz  <dan@debian.org>
404
405         * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET)
406         (NM_FOR_TARGET): Use := and $(shell).
407         (mainversion): Remove unused variable.
408
409 2004-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
410
411         * reorg.c (delete_from_delay_slot): If we have a barrier after the
412         sequence containing the insn to be deleted, always reemit it.
413
414 2004-05-20  Richard Henderson  <rth@redhat.com>
415
416         PR 15454
417         * tree-nested.c (get_chain_decl): Create a PARM_DECL by hand.
418         * function.c (expand_function_start): Expand static_chain_decl by hand.
419         * gimplify.c (create_tmp_var_name): Export.
420         * tree-gimple.h (create_tmp_var_name): Declare.
421
422 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
423
424         * rs6000.c (print_operand) <case 'z'>: Call
425         mark_decl_referenced before assemble_name.
426
427 2004-05-20  Zack Weinberg  <zack@codesourcery.com>
428
429         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
430         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
431         (cgraph_varpool_node): Hash on the pointer to the decl, not
432         the DECL_UID.  Fixes 64-bit bootstrap failure.
433
434 2004-05-20  Richard Earnshaw <rearnsha@arm.com>
435
436         * arm.md (ite_ne_zeroextractsi, ite_ne_zeroextractsi_shifted): Ensure
437         we don't earlyclobber operands used in the second insn.
438
439 2004-05-20  Steven Bosscher  <stevenb@suse.de>
440
441         * tree-mudflap.c: Formatting fixes.
442
443 2004-05-20  J"orn Rennecke <joern.rennecke@superh.com>
444
445         * Makefile.in (GTFILES): Add $(srcdir)/reload.h.
446         * gengtype.c (open_base_files): Include reload.h in ifiles.
447         * reload.h (reg_equiv_memory_loc_varray): Declare.
448         * reload1.c (reg_equiv_memory_loc_varray): New variable.
449         (init_reload): Initialize it.
450         (reload): Instead of freeing reg_equiv_memory_loc, 'grow'
451         reg_equiv_memory_loc_varray to size 0.
452         * ra.c (reg_alloc): Allocate reg_equiv_memory_loc by
453         growing reg_equiv_memory_loc_varray to the desired size.
454         * passes.c (rest_of_handle_old_regalloc): Likewise.
455         * reload.c: Amend comment on calling init_reload.
456
457 2004-05-20  Nick Clifton  <nickc@redhat.com>
458
459         * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Replace 'tramp'
460         with 'TRAMP' in the body of the macro definition.
461
462 2004-05-19  H.J. Lu  <hongjiu.lu@intel.com>
463
464         PR target/15383
465         * config/ia64/ia64.c (ia64_expand_compare): Don't check
466         TARGET_HPUX for TFmode compare. Abort if op0 is in TFmode and
467         cmptf_libfunc isn't set.
468         (ia64_init_libfuncs): Rename TFmode libfuncs using the HPUX
469         conventions.
470         (ia64_sysv4_init_libfuncs): New.
471
472         * config/ia64/sysv4.h (TARGET_INIT_LIBFUNCS): New. Defined as
473         ia64_sysv4_init_libfuncs.
474
475 2004-05-20  Falk Hueffner  <falk@debian.org>
476
477         PR other/15526
478         * libgcc2.c (__mulvsi3): Fix overflow test.
479
480 2004-05-19  Andrew Pinski  <pinskia@physics.uc.edu>
481
482         PR c/14171
483         * reg-stack.c (nan): Rename to ...
484         (not_a_num): Here.
485         (reg_to_stack): Rename nan to not_a_num.
486         (subst_stack_regs_pat): Likewise.
487         (convert_regs_entry): Likewise.
488         (convert_regs_1): Likewise.
489
490         * tree-cfg.c (find_case_label_for_value): Replace call to
491         simple_cst_equal with tree_int_cst_equal.
492
493 2004-05-19  Jeff Law <law@redhat.com>
494
495         * tree-into-ssa.c (prepare_operand_for_rename): New argument is_use.
496         If the operand is for a use, then strip away the SSA_NAME, do not
497         strip away the SSA_NAME for a set.  Never call release_ssa_name.
498         (mark_def_sites): Appropriately pass additional argument to
499         prepare_operand_for_rename.  If a VDEF_RESULT is not an SSA_NAME,
500         then set the VDEF_RESULT to the VDEF_OP.
501         (set_def_block): Strip away any SSA_NAME to get to the real
502         underlying variable.
503
504         * tree-ssa-phiopt.c (value_replacement): Handle the case where
505         the desired edge out of COND_BLOCK reaches OTHER_BLOCK rather than
506         BB directly.
507
508 2004-05-19  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
509
510         PR c++/15463
511         * loop-iv.c (iv_number_of_iterations):  Use trunc_int_for_mode on
512         result of inverse.
513
514         PR rtl-optimization/15274
515         * loop-iv.c (determine_max_iter, shorten_into_mode,
516         iv_number_of_iterations): Handle constants correctly.
517         * rtl.h (get_mode_bounds): Declaration changed.
518         * stor-layout.c (get_mode_bounds): Return a constant suitable for
519         the target mode.
520
521         PR rtl-optimization/14692
522         * loop-unswitch.c (may_unswitch_on): Try folding the result.
523         (unswitch_single_loop): Work correctly when may_unswitch_on
524         returns a folded constant.
525
526         * loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
527         * simplify-rtx.c (simplify_const_relational_operation): Optimize
528         comparisons with mode bounds.
529
530         * function.c (struct temp_slot): Add new field prev.
531         (free_after_compilation, init_temp_slots): Free new fields.
532         (cut_slot_from_list, insert_slot_to_list,
533         temp_slots_at_level, max_slot_level, move_slot_to_level,
534         make_slot_available): New functions.
535         (assign_stack_temp_for_type, combine_temp_slots,
536         find_temp_slot_from_address, preserve_temp_slots,
537         preserve_rtl_expr_result, free_temp_slots,
538         free_temps_for_rtl_expr, pop_temp_slots): Work with
539         the new structure of lists.
540         (mark_all_temps_used): Removed.
541         * function.h (struct function): Field x_temp_slots
542         replaced by x_used_temp_slots and x_avail_temp_slots.
543         (temp_slots): Replaced by ...
544         (used_temp_slots, avail_temp_slots): New.
545         * tree.h (mark_all_temps_used): Declaration removed.
546
547         * loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
548         simplify_using_assignment): Take the expression out of
549         the expr_list wrapper.
550
551         * loop-iv.c (iv_number_of_iterations): Improve clasification of
552         infinite loops.
553
554 2004-05-19  Roger Sayle  <roger@eyesopen.com>
555
556         * doc/tm.texi (TARGET_RTX_COSTS): Document that instruction
557         costs should be based on code size when optimizing for size.
558
559 2004-05-19  Paolo Bonzini  <bonzini@gnu.org>
560
561         * fold-const.c: Remove non-printable character 160.
562
563 2004-05-19  Nick Clifton  <nickc@redhat.com>
564
565         * doc/invoke.texi (ARM Options): Fix typo.
566         Remove descrption of -mshort-load-bytes and
567         -mno-short-load-bytes.
568
569         * config/ip2k/ip2k.c (ip2k_composite_xexp_not_uses_reg_p): Add
570         missing parenthesis.
571         * config/ip2k/ip2k.c (ip2k_unary_operator): Likewise.
572         * config/ip2k/ip2k.c (ip2k_binary_operator): Likewise.
573
574 2004-05-19  Steven Bosscher  <stevenb@suse.de>
575
576         * expr.c (store_constructor): Build loop start and end by hand
577         instead of via loop functions from stmt.c.
578         (expand_expr_real_1): Abort if we see an EXIT_EXPR or a LOOP_EXPR.
579         Remove the code to expand them.
580
581         * stmt.c (loop_stack): Remove this and everything related.
582         (struct nesting, enum nesting_desc): Update.
583         (expand_fixup): Likewise.
584         (expand_loop_start, expand_start_loop_continue_elsewhere,
585         expand_start_null_loop, expand_loop_continue_here, expand_end_loop,
586         expand_end_null_loop, expand_continue_loop, expand_exit_loop,
587         expand_exit_loop_if_false, expand_exit_loop_top_cond,
588         expand_exit_something): Remove.
589         * tree.h: Remove prototypes.
590
591 2004-05-18  Mike Stump  <mrs@apple.com>
592             Devang Patel  <dpatel@apple.com>
593
594         * doc/tm.texi (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument to indicate
595         if this label is for eh.
596         * config/darwin-protos.h (darwin_emit_unwind_label): Likewise.
597         * config/darwin.c (darwin_emit_unwind_label): Likewise.
598         * dwarf2out.c (output_call_frame_info): Likewise.
599         * output.h (default_emit_unwind_label): Likewise.
600         * target.h (unwind_label): Likewise.
601         * varasm.c (default_emit_unwind_label): Likewise.
602
603         * config/darwin.h (DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
604         DEBUG_FRAME_SECTION, DEBUG_INFO_SECTION, DEBUG_ABBREV_SECTION,
605         DEBUG_ARANGES_SECTION, DEBUG_MACINFO_SECTION, DEBUG_LINE_SECTION,
606         DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_STR_SECTION,
607         DEBUG_RANGES_SECTION): Define.
608
609 2004-05-18  Zack Weinberg  <zack@codesourcery.com>
610
611         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
612         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
613         (cgraph_varpool_node):
614         Use DECL_UID for the key, not DECL_ASSEMBLER_NAME.
615         (cgraph_function_possibly_inlined_p): Use the decl itself for
616         the key, not DECL_ASSEMBLER_NAME.
617         (change_decl_assembler_name): No need to muck with the hash tables.
618         (cgraph_node_for_identifier, cgraph_varpool_node_for_identifier):
619         Delete.
620         * cgraphunit.c (cgraph_mark_inline_edge): Use the decl itself
621         for the key, not DECL_ASSEMBLER_NAME.
622         * cgraph.h: Remove prototypes of deleted functions.
623         * varasm.c (mark_referenced): Just set TREE_SYMBOL_REFERENCED.
624         (mark_decl_referenced): New function.
625         * tree.h: Prototype mark_decl_referenced.
626         * final.c (output_addr_const) <case SYMBOL_REF>: Call
627         mark_decl_referenced before assemble_name.
628         * c-decl.c (finish_decl): Use mark_decl_referenced.
629
630 2004-05-18  Andrew Pinski  <pinskia@physics.uc.edu>
631             Jeff Law <law@redhat.com>
632
633         * tree-ssa-phiopt.c (abs_replacement): New function.
634         (empty_block_p): New function extracted from...
635         (candidate_bb_for_phi_optimization): Break out empty block test.
636         (conditional_replacement): Use empty_block_p.
637         (value_replacement): Similarly.
638
639         * Makefile.in (tree-ssa-phiopt.o): Depends on flags.h.
640         * tree-ssa-phiopt.c: Include flags.h.
641         (conditional_replacement): Remove argument names from prototype.
642         Minor formatting and comment fixes.
643         (tree_ssa_phiopt): If conditional_replacement returns false, then
644         call value_replacement.
645         (value_replacement): New function.
646
647 2004-05-18  Jeff Law  <law@redhat.com>
648
649         * tree-ssa-phiopt.c (replace_phi_with_stmt): New function extracted
650         from conditional_replacement.
651         (candidate_bb_for_phi_optimization): Similarly.
652         (conditional_replacement): Use replace_phi_with_stmt and
653         candidate_bb_for_phi_optimization.
654
655         * tree-ssa-phiopt.c: Fix various formatting issues.
656
657 2004-05-18  Steven Bosscher  <stevenb@suse.de>
658
659         * config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
660         s390_expand_cmpmem): Do not use expand_start_loop and
661         expand_end_loop, instead build the loop manually.
662
663 2004-05-18  Alan Modra  <amodra@bigpond.net.au>
664
665         * config/rs6000/rs6000.md (ctrsi_internal3): Delete.
666         (ctrsi_internal4, ctrdi_internal3, ctrdi_internal4): Delete.
667
668 2004-05-17  Jeff Law  <law@redhat.com>
669
670         * toplev.h (flag_delete_null_pointer_checks): Move from here to...
671         * flags.h (flag_delete_null_pointer_checks): Here.
672         * tree-flow.h (cprop_into_successor_phis): Add argument to prototype.
673         * tree-phinodes.c (resize_phi_node): Initialize PHI_ARG_NONZERO.
674         (add_phi_arg, remove_phi_arg_num): Similarly.
675         * tree-ssa-copy.c (cprop_into_successor_phis): Propagate nonzero
676         property into PHI nodes.
677         * tree-ssa-dom.c: Remove redundant inclusion of flags.h.
678         (record_equivalences_from_phis): If all PHI arguments are known to be
679         nonzero, then the result must be nonzero as well.
680         (cprop_into_phis): Pass nonzero_vars bitmap to cprop_into_successor_phis.
681         (record_equivalences_from_stmt): Check flag_delete_null_pointer_checks
682         appropriately.  Walk the USE-DEF chains and propagate nonzero property
683         as appropriate.
684         * tree.h (PHI_ARG_NONZERO): Define.
685         (phi_arg_d): Add nonzero flag.
686
687 2004-05-17  Zack Weinberg  <zack@codesourcery.com>
688
689         * f: Entire directory removed
690
691         * c-common.h (CTI_G77_INTEGER_TYPE, CTI_G77_UINTEGER_TYPE)
692         (CTI_G77_LONGINT_TYPE, CTI_G77_ULONGINT_TYPE)
693         (g77_integer_type_node, g77_uinteger_type_node)
694         (g77_longint_type_node, or g77_ulongint_type_node): Delete.
695         * c-common.c (c_common_nodes_and_builtins): Do not initialize
696         the above set of variables.
697
698         * config/i386/uwin.h: No need to define WIN32_UWIN_TARGET.
699         * doc/invoke.texi, doc/standards.texi: Remove cross-references
700         to g77 manual.
701
702 2004-05-17  Steven Bosscher  <stevenb@suse.de>
703
704         PR tree-optimization/15438
705         * tree-ssa-operands.c (get_expr_operands): Do not treat malloc
706         attributed functions as pure or const.
707
708 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
709
710         * tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
711         from source code with errors.
712
713 2004-05-17  Ranjit Mathew  <rmathew@hotmail.com>
714
715         Enable tree browser for all front ends.
716         * Makefile.in (cc1): Moved @TREEBROWSER@ from here...
717         (BACKEND): ...to here.
718
719 2004-05-17  Jan Hubicka  <jh@suse.cz>
720
721         * i386.c (construct_container): Do not produce BLKmode registers.
722         (classify_argument): Properly compute alignment of complex types.
723
724 2004-05-17  H.J. Lu  <hongjiu.lu@intel.com>
725
726         PR target/15084
727         * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode
728         and renamed to movdi_insv_1_rex64.
729         (insv): Support SImode for 32bit and DImode for 64bit.
730
731 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
732
733         * config/mips/mips.h (MASK_DEBUG_G, TARGET_DEBUG_G_MODE): Delete.
734         (TARGET_SWITCHES): Remove debugg.
735         * config/mips/mips.md (adddi3, ashldi3, ashrdi3, lshrdi3): Only handle
736         TARGET_64BIT.
737         (subdi3): Replace the define_expand with a define_insn, the latter
738         renamed from subdi3_internal_3.
739         (negdi2): Likewise negdi2_internal_2.
740         (adddi3_internal_[12], subdi3_internal, ashldi3_internal{,2,3})
741         (ashrdi3_internal{,2,3}, lshrdi3_internal{,2,3}): Remove patterns
742         and associated define_splits.
743         (adddi3_internal): Renamed from adddi3_internal_3.
744         (ashldi3_internal): Likewise ashldi3_internal4.
745         (ashrdi3_internal): Likewise ashrdi3_internal4.
746         (lshrdi3_internal): Likewise lshrdi3_internal4.
747
748 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
749
750         * optabs.c (expand_unop): Try implementing negation using subtraction
751         from zero.
752
753 2004-05-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
754
755         * pa.md:  Fix typo from last change.  Remove DFmode move to and from
756         SAR register.
757
758 2004-05-16  Richard Earnshaw  <rearnsha@arm.com>
759
760         PR target/10982
761         * arm.md (ne_zeroextractsi): Convert to insn-and-split.
762         (ne_zeroextractsi_shifted): New pattern.
763         (ite_ne_zeroextractsi): New pattern.
764         (ite_ne_zeroextractsi_shifted): New pattern.
765
766 2004-05-15  Steven Bosscher  <stevenb@suse.de>
767
768         * c-gimplify.c (c_genericize):
769         Replace calls via (*lang_hooks.foo) with lang_hooks.foo.
770         * c-parse.in <expr_no_commas>: Likewise.
771         <if_prefix>: Likewise.
772         <select_or_iter_stmt>: Likewise.
773         * expr.c (expand_var, expand_expr_real_1): Likewise.
774         * expr.h (expand_expr): Make it a static inline function.
775         Move prototype for expand_expr_real up before this.
776         * fold-const.c (fold_relational_hi_lo, fold_relational_const):
777         Likewise.
778         * gimplify.c (gimple_boolify, gimplify_addr_expr,
779         gimplify_asm_expr, gimplify_expr): Likewise.
780         * tree-cfg.c (dump_tree_cfg, dump_cfg_stats, tree_cfg2vcg,
781         dump_function_to_file): Likewise.
782         * tree-dfa.c (dump_immediate_uses, dump_dfa_stats): Likewise.
783         * tree-inline.c (remap_block, save_body, walk_tree): Likewise.
784         * tree-into-ssa.c (dump_tree_ssa): Likewise.
785         * tree-mudflap.c (mf_varname_tree, mf_file_function_line_tree):
786         Likewise.
787         * tree-optimize.c (execute_one_pass): Likewise.
788         * tree-pretty-print.c (dump_generic_bb_buff): Likewise.
789         * tree-ssa-alias.c (dump_alias_stats, dump_alias_info): Likewise.
790
791         * objc/objc-act.c (objc_build_try_enter_fragment,
792         objc_build_try_epilogue, objc_build_catch_stmt,
793         objc_build_finally_prologue): Replace calls via (*lang_hooks.foo)
794         with lang_hooks.foo ().
795
796 2004-05-15  Roger Sayle  <roger@eyesopen.com>
797
798         * builtins.c (simplify_builtin_strcpy): Avoid use of chainon, so
799         that simplify_builtin doesn't destructively modify its argument.
800
801 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
802
803         * arm/lib1funcs.asm (_lshrdi3, _ashrdi3, _ashldi3): Add ASM
804         implementations for ARM and Thumb.
805         * arm/t-arm-elf (LIB1ASMFUNCS): Use them.
806
807 2004-05-15  Thomas Quinot  <quinot@act-europe.fr>
808
809         * prefix.c (update_path): Replace PREFIX with KEY only
810         when it matches a full directory name in PATH.
811
812 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
813
814         * arm.h (TARGET_APCS_32): Delete.
815         (TARGET_MMU_TRAPS): Delete.
816         (TARGET_CPU_CPP_BUILTINS): Unconditionally define __APCS_32__.  Never
817         define __APCS_26__.
818         (CPP_SPEC): Remove checking of -mapcs-{26,32}.
819         (ARM_FLAG_APCS_32, ARM_FLAG_MMU_TRAPS): Delete.
820         (TARGET_SWITCHES): Remove alignment_traps and apcs-{26,32} switches.
821         (prog_mode_type): Delete.
822         (PROMOTE_MODE): Always promote unsigned for HImode.
823         (SECONDARY_INPUT_RELOAD_CLASS): Simplify.
824         (MASK_RETURN_ADDR): Simplify.
825         * arm.c (arm_prgmode): Delete.
826         (arm_override_options, arm_gen_rotated_half_load): Simplify.
827         (print_multi_reg, output_return_instruction): Simplify.
828         (arm_output_epilogue, arm_final_prescan_insn): Simplify.
829         (arm_return_addr): Simplify.
830         * arm.md (prog_mode): Delete.
831         (conds): Simplify.
832         (zero_extendhisi2, extendhisi2, movhi, movhi_bytes): Simplify.
833         (rotated_loadsi, movhi_insn_littleend, movhi_insn_bigend): Delete.
834         (loadhi_si_bigend, loadhi_preinc, loadhi_shiftpreinc): Delete.
835         (loadhi_shiftpredec): Delete.
836         (peephole for post-increment on HImode load): Delete.
837         * arm/crtn.asm: (FUNC_END): Simplify.
838         * arm/lib1funcs.asm: Remove APCS-26 return macros.
839         * arm/aof.h, arm/coff.h arm/elf.h arm/linux-elf.h arm/netbsd-elf.h
840         * arm/netbsd.h arm/pe.h arm/semi.h arm/semiaof.h arm/unknown-elf.h
841         * arm/vxworks.h arm/wince-pe.h: Tidy TARGET_DEFAULTS and
842         MULTILIB_DEFAULTS as required.
843         * arm/t-arm-elf arm/t-linux arm/t-pe arm/t-semi arm/t-wince-pe
844         * arm/t-xscale-coff arm/t-xscale-elf arm/uclinux-elf: Tidy MULTILIB
845         variables as required.
846         * doc/invoke.texi (ARM Options): Remove obsolete flags.
847
848 2004-05-15  Alan Modra  <amodra@bigpond.net.au>
849
850         * config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use
851         UNITS_PER_WORD to calculate gpr size.  Re-instate code to set reg
852         count to 8 to handle n_reg > 2.
853
854 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
855
856         * doc/extend.texi: Update WG14 URL.
857
858 2004-05-15  Steven Bosscher  <stevenb@suse.de>
859
860         * basic-block.h (life_analysis, delete_noop_moves):
861         Update prototypes.
862         * bt-load.c (branch_target_load_optimize): Don't take the
863         insns stream as an argument.  Update the life_analysis calls.
864         * combine.c (combine_instructions): Update delete_noop_moves
865         calls.
866         * flow.c (notice_stack_pointer_modification): Don't take the
867         insns stream as an argument.  Work on the flow graph.
868         (life_analysis): Likewise.
869         (delete_noop_moves): Likewise.
870         * passes.c (rest_of_handle_stack_regs): Update reg_to_stack call.
871         (rest_of_handle_life): Update life_analysis call.
872         (rest_of_compilation): Likewise, and also update
873         branch_target_load_optimize call.
874         * ra.c (reg_alloc): Update life_analysis call.
875         * reg-stack.c (reg_to_stack): Likewise.  Also, don't take
876         the insns stream as an argument.
877         * regrename.c (copyprop_hardreg_forward): Update delete_noop_moves
878         call.
879         * rtl.c (branch_target_load_optimize, reg_to_stack): Update
880         prototypes.
881         * value-profile.c (branch_prob): Update life_analysis call.
882         * web.c (web_main): Work on the CFG, not on the insns stream.
883
884         * config/ip2k/ip2k.c (ip2k_reorg): Update life_analysis calls.
885         * config/m68hc11/m68hc11.c (m68hc11_reorg): Likewise.
886         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
887
888 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
889
890         PR c/15444
891         * c-format.c (avoid_dollar_number): New function.
892         (check_format_info_main): Call avoid_dollar_number when operand
893         numbers might occur but has_operand_number == 0.
894
895 2004-05-14  Richard Earnshaw  <rearnsha@arm.com>
896
897         * arm.md (all peephole2 patterns): Use predicates that validate
898         register classes as appropriate.
899
900 2004-05-14  Steven Bosscher  <stevenb@suse.de>
901
902         PR opt/14472
903         * tree-tailcall.c (process_assignment): Use STRIP_NOPS to
904         ignore type conversions that do not inhibit tail calling.
905         (find_tail_calls): Likewise.
906
907 2004-05-14  Jeff Law  <law@redhat.com>
908
909         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't even
910         bother marking bypassed virtuals for out-of-ssa.  Instead merge
911         bypassed virtuals into vars_to_rename just before into-ssa pass.
912
913         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Reorganize
914         so that it picks up more opportunities to eliminate ABS expressions
915         or turn them into negations.
916
917 2004-05-14  Steven Bosscher  <stevenb@suse.de>
918
919         * passes.c (rest_of_handle_null_pointer): Remove.
920         (rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
921         (rest_of_compilation): Likewise.
922         * rtl.h (delete_null_pointer_checks): Remove prototype.
923         * gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
924         Remove declarations.
925         (get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
926         compute_kill_rd, compute_rd, alloc_avail_expr_mem,
927         free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
928         expr_reaches_here_p, computing_insn, def_reaches_here_p,
929         can_disregard_other_sets, handle_avail_expr, classic_gcse,
930         one_classic_gcse_pass, invalidate_nonnull_info,
931         delete_null_pointer_checks_1, delete_null_pointer_checks,
932         expr_reached_here_p_work): Remove.
933         (gcse_main): Do not perform classic GCSE when optimizing for size.
934         (alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
935         are never used.
936
937 2004-05-14  Andrew Pinski  <pinskia@physics.uc.edu>
938
939         PR optimization/14466
940         * tree-complex.c (make_temp): Remove.
941         (gimplify_val): Replace make_temp with make_rename_temp
942         and add NULL as the second argument.
943         (expand_complex_div_wide): Likewise.
944         * tree-dfa.c (make_rename_temp): New function.
945         * tree-flow.h (make_rename_temp): Declare.
946         * tree-sra.c (make_temp): Remove.
947         (lookup_scalar): Replace make_temp with make_rename_temp.
948         (create_scalar_copies): Likewise.
949         * tree-ssa-phiopt.c (conditional_replacement): When we
950         get non gimple create a temporary variable to hold the
951         casted expression.
952
953 2004-05-14  Paul Brook  <paul@codesourcery.com>
954
955         * stor-layout.c (update_alignment_for_field): Use
956         targetm.align_anon_bitfield.
957         * target-def.h (TARGET_ALIGN_ANON_BITFIELD): Define.
958         (TARGET_INITIALIZER): Use it.
959         * target.h (struct gcc_target): Add align_anon_bitfield.
960         * config/arm/arm.c (arm_align_anon_bitfield):  New function.
961         (TARGET_ALIGN_ANON_BITFIELD): Define.
962         * doc/tm.texi: Document TARGET_ALIGN_ANON_BITFIELD.
963
964 2004-05-13  Zack Weinberg  <zack@codesourcery.com>
965
966         * tree.def (documentation): Remove mention of class 'b'.
967         (BLOCK): Now in class 'x'.
968         * c-common.c (verify_tree): Remove case 'b'.
969         * c-typeck.c (same_translation_unit_p): Change 'b' to 'x'.
970         * calls.c (calls_function_1): Control cannot get past the switch
971         when exp is a BLOCK.
972         * print-tree.c (print_node): Move code for class 'b' to the class
973         'c'/'x' switch, as case BLOCK.
974         * tree.c (tree_size, make_node_stat, tree_node_structure): Likewise.
975         (unsafe_for_reeval, substitute_placeholder_in_expr)
976         (stabilize_reference_1): Remove case 'b'.
977         * tree-browser.c (browse_tree): Change all tests for TREE_CODE_CLASS
978         of something being 'b' to tests for TREE_CODE of something being
979         BLOCK.
980         * tree-ssa-operands.c (get_expr_operands): Likewise.
981
982 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
983
984         * tree-gimple.c: Rename from tree-simple.c.
985         * tree-gimple.h: Rename from tree-simple.h.
986         * c-gimplify.c: Rename from c-simplify.c
987         * Makefile.in, c-decl.c, gimple-low.c, gimplify.c,
988         langhooks.c, tree-alias-ander.c, tree-alias-common.c,
989         tree-complex.c, tree-dfa.c, tree-flow.h, tree-inline.c,
990         tree-into-ssa.c, tree-iterator.c, tree-mudflap.c,
991         tree-nested.c, tree-nomudflap.c, tree-outof-ssa.c, tree-sra.c,
992         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-copyrename.c,
993         tree-ssa-dce.c, tree-ssa-live.c, tree-ssa-pre.c, tree-ssa.c:
994         Update.
995
996 2004-05-14  Ranjit Mathew  <rmathew@hotmail.com>
997
998         * doc/sourcebuild.texi: Mention libbanshee and libmudflap.
999
1000 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
1001
1002         * tree-ssa.c (delete_tree_ssa): XFREE
1003         bitmaps allocated with BITMAP_XMALLOC.
1004
1005         * tree-ssa-pre.c (execute_pre): Free ephi_use_pool and
1006         idfs_cache at the end of the function.
1007
1008         * tree-ssa-live.c (calculate_live_on_entry): Free saw_def
1009         at the end of the function.
1010
1011         * tree-ssa-dce.c (perform_tree_ssa_dce): Free
1012         el at the end of the function.
1013
1014         * tree-into-ssa.c (insert_phi_nodes_for): XFREE
1015         bitmaps allocated with BITMAP_XMALLOC.
1016
1017         * loop-unswitch.c (unswitch_single_loop): Free bbs at
1018         the end.
1019
1020         * final.c (shorten_branches): Free uid_shuid before
1021         reallocating it.
1022
1023         * bb-reoder.c (connect_traces): Free cold_traces at the end.
1024
1025 2004-05-13  Jeff Law  <law@redhat.com>
1026
1027         * tree-ssa-live.c (calculate_live_on_entry): Ignore virtual
1028         variables.  Simplify slightly by using USE_OP/DEF_OP instead
1029         of USE_OP_PTR/DEF_OP_PTR and dereferencing the result.
1030
1031         * tree-into-ssa.c (compute_global_livein): Use EXECUTE_IF_SET_IN_BITMAP
1032         rather than iterating through the blocks testing each bit in
1033         livein to initialize the worklist.
1034         (mark_def_sites): Remove useless checks of KILLS for virtual
1035         operands.
1036
1037         * tree-ssa-forwprop.c (record_single_argument_cond_exprs): Accept
1038         new parameters for the statement and variable worklist as well
1039         as a bitmap of interesting SSA_NAMEs.  Walk over the statement
1040         worklist recording interesting variables in the variable worklist
1041         and bitmap.  Handle casts between integral and boolean types.
1042         (substitute_single_use_vars): Accept new parameters for the statement
1043         and variable worklist.  When a substitution is made add a new
1044         entry to the statement worklist.  Handle casts between integral
1045         and boolean types.
1046         (tree_ssa_forward_propagate_single_use_vars): Rework to pass
1047         worklists to children.  Iterate until the statement worklist
1048         is empty.
1049
1050 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
1051
1052         * tree-outof-ssa.c (rewrite_vars_out_of_ssa): Free map at
1053         the end of the block.
1054
1055         * tree-into-ssa.c (def_blocks_free): XFREE bitmaps allocated
1056         with BITMAP_XMALLOC.
1057
1058         * tree-ssa-alias.c (delete_alias_info): XFREE bitmaps allocated
1059         with BITMAP_XMALLOC.
1060
1061         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
1062         Free nonzero_vars at the end of the function.
1063
1064         * convert.c (convert_to_integer): Make a CONVERT_EXPR when there is a
1065         need to generate code instead of a NOP_EXPR.
1066
1067 2004-05-13  Ian Lance Taylor  <ian@wasabisystems.com>
1068
1069         * gcc.c (default_compilers): Fill out initializers for new Fortran
1070         entries.
1071
1072 2004-05-13  Paul Brook  <paul@codesourcery.com>
1073
1074         * config/arm/arm.h (PCC_BITFIELD_TYPE_MATTERS): Define.
1075
1076 2004-05-13  Paul Brook  <paul@codesourcery.com>
1077
1078         * config/arm/arm.c (arm_default_short_enums): New function.
1079         (TARGET_DEFAULT_SHORT_ENUMS): Define.
1080
1081 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
1082
1083         Merge from tree-ssa-20020619-branch.
1084
1085         * Makefile.in (reload1.o-warn): Add.
1086         (tree-alias-ander.o-warn): Add.
1087         (GMPLIBS): Define.
1088         (GMPINC): Define.
1089         (BANSHEELIB): Define.
1090         (BANSHEEINC): Define.
1091         (TREE_DUMP_H): Define.
1092         (TREE_SIMPLE_H): Define.
1093         (TREE_FLOW_H): Define.
1094         (LIBDEPS): Add BANSHEELIB.
1095         (INCLUDES): Add BANSHEEINC and GMPINC.
1096         (C_AND_OBJC_OBJS): Add c-simplify.o, tree-mudflap.o,
1097         c-mudflap.o and c-pretty-print.o.
1098         (C_OBJS): Remove c-pretty-print.o.
1099         (OBJS-common): Remove sibcall.o.
1100         Add tree-cfg.o, tree-dfa.o, tree-eh.o,
1101         tree-ssa.o, tree-optimize.o, tree-simple.o,
1102         tree-alias-type.o, gimplify.o, tree-pretty-print.o,
1103         tree-into-ssa.o, tree-outof-ssa.o, tree-alias-common.o,
1104         tree-ssa-ccp.o, @ANDER@, tree-ssa-dce.o, tree-ssa-copy.o,
1105         tree-nrv.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
1106         tree-ssa-live.o, tree-ssa-operands.o, tree-ssa-alias.o,
1107         tree-ssa-phiopt.o, tree-ssa-forwprop.o, tree-nested.o,
1108         tree-ssa-dse.o, tree-ssa-dom.o, domwalk.o,
1109         tree-tailcall.o, gimple-low.o, tree-iterator.o,
1110         tree-phinodes.o, tree-ssanames.o, tree-sra.o,
1111         tree-complex.o, tree-ssa-loop.o, rtl-profile.o and
1112         tree-profile.o.
1113         (OBJC-archive): Add tree-nomudflap.o.
1114         (cc1): Add dependency on @TREEBROWSER@.
1115         (c-decl.o): Add dependency on TREE_DUMP_H.
1116         (c-dump.o): Likewise.
1117         (c-common.o): Add dependency on tree-iterator.h
1118         (c-pretty-print.o): Add dependency on DIAGNOSTIC_H.
1119         (gtype-desc.o): Add dependency on TREE_FLOW_H.
1120         (tree.o): Add dependency on tree-iterator.h,
1121         BASIC_BLOCK_H and TREE_FLOW_H.
1122         (tree-dump.o): Depend on TREE_DUMP_H instead of tree-dump.h.
1123         (langhooks.o): Add dependency on TREE_SIMPLE_H.
1124         (tree-alias-type.o, tree-alias-ander.o,
1125         tree-alias-common.o, tree-ssa.o, tree-into-ssa.o,
1126         tree-outof-ssa.o, tree-ssa-dse.o, tree-ssa-forwprop.o,
1127         tree-ssa-phiopt.o, tree-nrv.o, tree-ssa-copy.o,
1128         tree-ssa-dom.o, tree-ssanames.o, tree-phinodes.o,
1129         domwalk.o, tree-ssa-live.o, tree-ssa-copyrename.o,
1130         tree-ssa-pre.o, tree-cfg.o, tree-tailcall.o,
1131         tree-nested.o, tree-iterator.o, tree-dfa.o,
1132         tree-ssa-operands.o, tree-eh.o, tree-ssa-loop.o,
1133         tree-ssa-alias.o, tree-optimize.o, c-simplify.o,
1134         gimplify.o, gimple-low.o, tree-browser.o, tree-simple.o,
1135         tree-mudflap.o, c-mudflap.o, tree-nomudflap.o,
1136         tree-pretty-print.o, tree-ssa-dce.o, tree-ssa-ccp.o,
1137         tree-sra.o, tree-complex.o, tree-profile.o,
1138         rtl-profile.o): New rules.
1139         (function.o): Add dependency on basic-block.h
1140         (expr.o): Add dependency on tree-iterator.h.
1141         (sibcall.o): Remove.
1142         (profile.o): Depend on TREE_FLOW_H instead of TREE_H.
1143         (cfg.o): Add dependency on TIMEVAR_H.
1144         (cfghooks.o): Add dependency on TREE_FLOW_H.
1145         (reg-stack.o): Add dependency on basic-block.h.
1146         (GTFILES): Add hwint.h, tree-mudflaph.c, tree-flow.h,
1147         c-objc-common.c, c-common.c, c-parse.in, tree-ssanames.c,
1148         tree-eh.c, tree-phinodes.c, tree-cfg.c, tree-dfa.c,
1149         tree-ssa-ccp.c, tree-iterator.c, gimplify.c,
1150         tree-alias-type.h, tree-alias-common.h,
1151         tree-alias-type.c, tree-alias-common.c,
1152         tree-ssa-operands.h, tree-ssa-operands.c, tree-profile.c,
1153         rtl-profile.c and tree-nested.c.
1154         (gt-tree-alias-common.h, gt-tree-mudflap.h,
1155         gt-tree-ssa-ccp.h, gt-tree-eh.h, gt-tree-ssanames.h,
1156         gt-tree-iterator.h, gt-gimplify.h, gt-tree-phinodes.h,
1157         gt-tree-cfg.h, gt-tree-nested.h): New rules.
1158         (TEXI_GCCINT_FILES): Add cfg.texi and tree-ssa.texi.
1159         * basic-block.h: Include predict.h
1160         (struct edge_def): Add GTY marker.
1161         Change field 'insns' to be a union of tree and rtx.
1162         (EDGE_TRUE_VALUE): Define.
1163         (EDGE_FALSE_VALUE): Define.
1164         (EDGE_EXECUTABLE): Define.
1165         (struct bb_ann_d): Forward declare.
1166         (struct basic_block_def): Add GTY marker.
1167         Remove fields head_tree and end_tree.
1168         Add fields stmt_list, rbi and tree_annotations.
1169         (struct reorder_block_def): Define.
1170         (basic_block_info): Add GTY marker.
1171         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Change to global
1172         variables instead of macros.
1173         (flow_call_edges_add): Remove declaration.
1174         (make_eh_edge): Remove declaration.
1175         (brief_dump_cfg, find_edge, tree_predicted_by_p,
1176         rtl_predicted_by_p, tree_predict_edge, rtl_predict_edge,
1177         predict_edge_def, rtl_make_eh_edge, find_basic_blocks,
1178         cleanup_cfg, delete_unreachable_blocks, merge_seq_blocks,
1179         alloc_rbi_pool, initialize_bb_rbi, free_rbi_pool): Declare.
1180         (try_redirect_by_replacing_jump): Modfiy return type to
1181         edge instead of bool.
1182         * bb-reorder.c (copy_bb): Call duplicate_block
1183         instead of cfg_layout_duplicate_bb.
1184         (copy_bb_p): Call can_duplicate_block_p instead of
1185         cfg_layout_can_duplicate_bb_p.
1186         * bitmap.c (bitmap_first_set_bit): Abort if word
1187         wasn't found.
1188         (bitmap_last_set_bit): Likewise.
1189         * builtin-types.def (DEF_FUNCTION_TYPE_2): Add
1190         (DEF_FUNCTION_TYPE_3): Add.
1191         * builtins.c (c_strlen): Make extern.
1192         (builtin_save_expr): New.
1193         (expand_builtin_nonlocal_goto): New.
1194         (expand_builtin_constant_p): Remove.
1195         (expand_builtin_mathfn): Call builtin_save_expr instead
1196         of save_expr.
1197         (expand_builtin_mathfn_2): Likewise.
1198         (expand_builtin_strcmp): Likewise.
1199         (expand_builtin_strncmp): Likewise.
1200         (expand_builtin_strcat): Likewise.
1201         (fold_builtin_cabs): Likewise.
1202         (expand_builtin_alloca): Don't trigger if -fmudflap is
1203         given.
1204         (build_string_literal): Set TREE_INVARIANT on new node.
1205         (expand_builtin_profile_fun): New.
1206         (round_trampoline_addr): New.
1207         (expand_builtin_init_trampoline): New.
1208         (expand_builtin_adjust_trampoline): New.
1209         (expand_builtin) <BUILT_IN_NEXT_ARG>: Call simplify_builtin_next_arg.
1210         <BUILT_IN_CONSTANT_P>: Return const0_rtx;
1211         <BUILT_IN_STACK_ALLOC, BUILT_IN_STACK_SAVE,
1212         BUILT_IN_STACK_RESTORE, BUILT_IN_NONLOCAL_GOTO,
1213         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT,
1214         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE>:
1215         Handle.
1216         (fold_builtin_expect): New.
1217         (fold_builtin_isascii): Don't return non-constant results
1218         in GIMPLE form.
1219         (fold_builtin_isdigit): Likewise.
1220         (fold_builtin_1): New.
1221         (fold_builtin): Call it.
1222         (build_function_call_expr): Update call to build a new
1223         CALL_EXPR.
1224         (purge_builtin_constant_p): Remove.
1225         (simplify_builtin, simplify_builtin_memcmp,
1226         simplify_builtin_strcmp, simplify_builtin_strncmp,
1227         simplify_builtin_strpbrk, simplify_builtin_strstr,
1228         simplify_builtin_strchr, simplify_builtin_strrchr,
1229         simplify_builtin_strcat, simplify_builtin_strncat,
1230         simplify_builtin_strspn, simplify_builtin_strcspn,
1231         simplify_builtin_next_arg, simplify_builtin_va_start,
1232         simplify_builtin_sprintf): New.
1233         * builtins.def (BUILT_IN_STACK_ALLOC,
1234         BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE,
1235         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE,
1236         BUILT_IN_NONLOCAL_GOTO, BUILT_IN_PROFILE_FUNC_ENTER,
1237         BUILT_IN_PROFILE_FUNC_EXIT): Define.
1238         * c-common.c: Include tree-iterator.h and hashtab.h.
1239         (lang_statement_code_p): Declare.
1240         (lang_gimplify_stmt): Declare.
1241         (fix_string_type): Set TREE_INVARIANT for value.
1242         (pointer_int_sum): Rely on build to set TREE_CONSTANT.
1243         (c_type_hash): New.
1244         (c_common_get_alias_set): Handle multiple type nodes
1245         referring to "the same" type, currently for C90 only.
1246         (c_add_case_label): Use create_artificial_label.
1247         (finish_label_address_expr): Don't set TREE_CONSTANT on
1248         result.
1249         (c_expand_expr): Don't handle STMT_EXPR.
1250         (handle_alias_attribute): Marke aliased variables to be
1251         TREE_STATIC.
1252         (handle_nonnull_attribute): Initialize arg_num.
1253         (check_function_nonnull): Likewise.
1254         (c_walk_subtrees): New.
1255         (c_estimate_num_insns_1): Don't handle
1256         EXPR_WITH_FILE_LOCATION nor FILE_STMT.
1257         (c_decl_uninit_1): Remove.
1258         (c_decl_uninit): Remove.
1259         (c_warn_unused_result): New.
1260         * c-common.def (ASM_STMT): Change number of operands
1261         to 4.
1262         (FILE_STMT): Remove.
1263         * c-common.h (lang_expand_stmt, lang_expand_decl_stmt):
1264         Remove.
1265         (lang_gimplify_stmt): Add.
1266         (expand_stmt): Remove.
1267         (ASM_CV_QUAL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
1268         ASM_CLOBBERS, STMT_EXPR_WARN_UNUSED_RESULT,
1269         ASM_VOLATILE_P, FILE_STMT_FILENAME_NODE,
1270         FILE_STMT_FILENAME, STMT_LINENO, STMT_LINENO_FOR_FN_P,
1271         ASM_INPUT_P, DECL_C_HARD_REGISTER): Remove.
1272         (genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
1273         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
1274         genrtl_while_stmt, genrtl_do_stmt, genrtl_return_stmt,
1275         genrtl_for_stmt, genrtl_break_stmt, genrtl_continue_stmt,
1276         genrtl_scope_stmt, genrtl_switch_stmt, genrtl_case_label,
1277         genrtl_compound_stmt, genrtl_asm_stmt,
1278         genrtl_cleanup_stmt, c_decl_uninit): Remove.
1279         (c_do_switch_warnings, c_gimplify_expr, c_walk_subtrees,
1280         c_tree_chain_matters_p, c_warn_unused_result,
1281         c_genericize, c_gimplify_stmt, stmt_expr_last_stmt):
1282         Declare.
1283         * c-convert.c (convert): Make convert work when
1284         converting to compatible types across translation unit.
1285         * c-decl.c: Include langhooks.h, tree-mudflap.h,
1286         tree-simple.h, diagnostic.h and tree-dump.h
1287         (merge_decls): Initialize oldtype to NULL.
1288         (finish_decl): Use DECL_HARD_REGISTER instead of
1289         DECL_C_HARD_REGISTER.
1290         (check_bitfield_type_and_width): Check for null
1291         lang_type_specific when check the precision of an enum.
1292         (grokdeclarator): Immediately layout an ARRAY_TYPE used
1293         in a pointer-to-array declarator.
1294         (finish_struct): Clear allocated struct lang_type.
1295         (finish_enum): Set enum_min and enum_max.  Set
1296         TYPE_MIN/MAX_VALUE to the limits of the compatible type,
1297         not to the enumerators.
1298         (set_decl_nonlocal): New.
1299         (store_parm_decls): Use it via walk_tree.
1300         (c_finalize): New.
1301         (finish_function): When !targetm.have_ctors_dtors,
1302         record static constructors and destructors here...
1303         (c_expand_body_1): ... not here.
1304         (c_expand_decl): Rename from c_expand_decl_stmt.
1305         Handle all C-specific expansion semantics.
1306         * c-dump.c (dump_stmt): Use EXPR_LOCUS instead of
1307         STMT_LINENO.
1308         * c-format.c (handle_format_arg_attribute): Initialize
1309         format_num.
1310         * c-lang.c: Include tree-inline.h
1311         (LANG_HOOKS_EXPAND_DECL,
1312         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1313         LANG_HOOKS_TREE_INLINING_WALK_SUBTREES,
1314         LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P,
1315         LANG_HOOKS_GIMPLIFY_EXPR, LANG_HOOKS_TYPES_COMPATIBLE_P): Define.
1316         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
1317         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS): Remove.
1318         (c_types_compatible_p): New.
1319         * c-mudflap.c: New file.
1320         * c-objc-common.c: Include tree-mudflap.h
1321         (start_cdtor, finish_cdtor): Collapse
1322         together into
1323         (build_cdtor): ...here.  Update to construct a complete tree
1324         for the function.  No need to call push_scope, pop_scope, or
1325         clear_last_expr, or set current_function_cannot_inline.
1326         (c_missing_noreturn_ok_p): Change prototype to return
1327         bool.
1328         (c_objc_common_init): Don't set lang_missing_noreturn_ok_p.
1329         * c-opts.c (c_common_handle_option): Move handling of -fdump- to
1330         opts.c.
1331         (c_common_post_options): Don't ever use rtl inlining.
1332         * c-parse.in: Use EXPR_LOCUS instead of STMT_LINENO.
1333         * c-pragma.c (handle_pragma_redefine_extname): Define
1334         always.
1335         (init_pragma): Activate #pragma redefine_extname for mudflap.
1336         * c-pretty-print.c (pp_c_statement): Remove FILE_STMT.
1337         (pp_c_initializer): Accept any type CONSTRUCTOR.
1338         (pp_c_initializer_list): Fix code expectations for VECTOR_TYPE and
1339         COMPLEX_TYPE.
1340         (decl_name_str): New local function.
1341         (pp_c_direct_declarator): Call it.
1342         (pp_c_primary_expression): Call it.
1343         (pp_c_id_expression): Call it.
1344         (pp_c_statement): Call it.
1345         (print_c_tree): Create new pp object.
1346         * c-pretty-print.h (pp_c_tree_decl_identifier,
1347         print_c_tree): Declare.
1348         * c-semantics.c: Include langhooks.h
1349         (lang_expand_stmt, lang_expand_decl_stmt,
1350         find_reachable_label_1, find_reachable_label,
1351         expand_unreachable_if_stmt, expand_unreachable_stmt,
1352         genrtl_do_stmt_1): Remove.
1353         (begin_stmt_tree): Don't check for changed filename.
1354         Call annotate_with_locus.
1355         (finish_stmt_tree): Don't set line for end of function.
1356         (build_stmt): Don't check type nodes for
1357         side effects.
1358         (build_stmt): Set TREE_SIDE_EFFECTS.
1359         Set EXPR_LOCUS instead of STMT_LINENO.
1360         (lang_expand_stmt, lang_expand_decl_stmt,
1361         expand_cond, genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
1362         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
1363         genrtl_while_stmt, genrtl_do_stmt_1, genrtl_do_stmt,
1364         genrtl_return_stmt, genrtl_for_stmt, genrtl_break_stmt,
1365         genrtl_continue_stmt, genrtl_scope_stmt, genrtl_switch_stmt,
1366         genrtl_case_label, genrtl_compound_stmt, genrtl_asm_stmt,
1367         genrtl_cleanup_stmt, expand_stmt, find_reachable_label,
1368         find_reachable_label_1, expand_unreachable_if_stmt,
1369         expand_unreachable_stmt): Remove.
1370         (prep_stmt): Use EXPR_LOCUS instead of STMT_LINENO.
1371         * c-simplify.c: New file.
1372         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Define.
1373         (struct lang_type): Add fields enum_min and enum_max.
1374         (c_expand_decl_stmt, c_missing_noreturn_ok_p): Remove.
1375         (c_expand_decl, c_missing_noreturn_ok_p,
1376         c_types_compatible_p): Declare.
1377         * c-typeck.c (tagged_types_tu_compatible_p): Allow for
1378         compiler-generated TYPE_DECLs without a DECL_ORIGINAL_TYPE.
1379         (default_function_array_conversion): Rely on build to
1380         set TREE_CONSTANT.
1381         (parser_build_binary_op, pointer_diff): Likewise.
1382         (build_unary_op, build_binary_op): Likewise.
1383         (build_array_ref):
1384         (build_external_ref): Set TREE_INVARIANT.
1385         (build_c_cast, pop_init_level): Likewise.
1386         (process_init_element): Use ASM_VOLATILE_P.
1387         (build_asm_expr): Adapt to GENERIC/GIMPLE syntax.
1388         (c_finish_case): Call c_do_switch_warnings.
1389         * c.opt (fdump-): Remove.
1390         * calls.c (try_to_integrate): Remove.
1391         (prepare_call_address): Replace fndecl arg with a
1392         precomputed static chain value.
1393         (emit_call_1): New argument for full call expr.
1394         (flags_from_decl_or_type): Call special_function_p.
1395         (initialize_argument_information): Add argument
1396         may_tailcall.
1397         (purge_reg_equiv_notes): New.
1398         (expand_call): Do not try to expand calls inline.
1399         (fixup_tail_calls): New.
1400         * cfg.c: Include timevar.h and ggc.h.
1401         (bb_pool, edge_pool): Remove.
1402         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Declare.
1403         (entry_exit_blocks): Remove.
1404         (rbi_pool): Declare.
1405         (init_flow): Do not create pools.
1406         Allocate entry/exit block.
1407         (free_edge, alloc_block, expunge_block, unchecked_make_edge): Use GGC.
1408         (alloc_rbi_pool, free_rbi_pool, initialize_bb_rbi): New.
1409         (unlink_block): Clear b->prev_bb and b->next_bb.
1410         (compact_blocks): Clear all slots of BASIC_BLOCK array.
1411         (dump_flow_info): Work on trees too.
1412         (dump_cfg_bb_info): New.
1413         (brief_dump_cfg): New.
1414         * cfganal.c (need_fake_edge_p, flow_call_edges_add): Remove.
1415         (find_edge): New.
1416         * cfgbuild.c (rtl_make_eh_edge): Rename from
1417         make_eh_edge.  Update all users.
1418         (find_basic_blocks): Don't call VARRAY_FREE on
1419         basic_block_info.
1420         * cfgcleanup.c (outgoing_edges_match): Initialize newpos1
1421         and newpos2.
1422         (delete_unreachable_blocks): Return changed status.
1423         (merge_seq_blocks): New.
1424         * cfghooks.c: Include tree-flow.h
1425         (tree_register_cfg_hooks, ir_type): New.
1426         (redirect_edge_and_branch): Change return type to edge.
1427         (predict_edge, predicted_by_p, can_duplicate_block_p,
1428         duplicate_block, block_ends_with_call_p,
1429         block_ends_with_condjump_p, flow_call_edges_add): New.
1430         * cfghooks.h (redirect_edge_and_branch): Change return
1431         type to edge.
1432         (predict_edge, predicted_by_p, can_duplicate_block_p,
1433         duplicate_block, block_ends_with_call_p,
1434         block_ends_with_condjump_p, flow_call_edges_add): Declare.
1435         (redirect_edge_and_branch): Change return type to edge.
1436         (struct cfg_hooks): Add fields block_ends_with_call_p,
1437         block_ends_with_condjump_p, flow_call_edges_add,
1438         predict_edge, predicted_by_p, can_duplicate_block_p and
1439         duplicate_block.
1440         (tree_cfg_hooks, ir_type, tree_register_cfg_hooks): Declare.
1441         * cfglayout.c (cfg_layout_pool, cfg_layout_initialize_rbi): Removed.
1442         (fixup_reorder_chain): Use initialize_bb_rbi.
1443         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Hookized.
1444         (cfg_layout_initialize): Use cfg.c rbi pool manipulation functions.
1445         (can_copy_bbs_p, copy_bbs): Use cfghooks for bb duplication.
1446         (insn_locators_initialize): Use new info about blocks.
1447         * cfglayout.h (typedef struct reorder_block_def): Moved to
1448         basic_block.h.
1449         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Declaration
1450         removed.
1451         * cfgloop.c: Include tree.h and tree-flow.h.
1452         * cfgloop.h (create_loop_notes): Declare.
1453         * cfgloopmanip.c (create_loop_notes): New.
1454         * cfgrtl.c (cfg_layout_create_basic_block): Use initialize_bb_rbi.
1455         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Fill in can_duplicate_block_p
1456         and duplicate_block fields.
1457         (create_basic_block_structure): Don't look at
1458         RTX_INTEGRATED_P.
1459         (rtl_block_ends_with_call_p): New.
1460         (rtl_block_ends_with_condjump_p): New.
1461         (need_fake_edge_p): Moved from cfganal.c.
1462         (rtl_flow_call_edges_add): Moved from cfganal.c (flow_call_edges_add).
1463         (rtl_cfg_hooks): Add rtl_block_ends_with_call_p,
1464         rtl_block_ends_with_condjump_p, rtl_flow_call_edges_add.
1465         (cfg_layout_rtl_cfg_hooks): Ditto.
1466         * cgraph.c (cgraph_mark_reachable_node): Don't force nested
1467         functions to be reachable.
1468         * cgraphunit.c (decide_is_function_needed):
1469         * cgraphunit.c (decide_is_function_needed): Nested functions of extern
1470         inline functions don't need to be output.
1471         (cgraph_assemble_pending_functions): Don't do anything
1472         special for nested functions.
1473         (cgraph_mark_functions_to_output): Likewise.
1474         (cgraph_finalize_function): Don't zap DECL_STRUCT_FUNCTION.
1475         (cgraph_analyze_function): Use estimate_num_insns.
1476         (cgraph_mark_functions_to_output): Likewise.
1477         (cgraph_estimate_growth, cgraph_clone_inlined_nodes): Likewise.
1478         (cgraph_expand_function): Allow functions to not be
1479         emitted.
1480         (cgraph_remove_unreachable_nodes):
1481         (cgraph_recursive_inlining_p): Simplify.
1482         (lookup_recursive_calls,
1483         cgraph_decide_recursive_inlining): New.
1484         (cgraph_decide_inlining_*): Update calls of
1485         cgraph_mark_inline.
1486         * combine.c (get_pos_from_mask): Always set *plen.
1487         * common.opt (fdump-, fmudflap, fmudflapth, fmudflapir,
1488         ftree-based-profiling, ftree-ccp, ftree-ch,
1489         ftree-combine-temps, ftree-copyrename, ftree-dce,
1490         ftree-dominator-opts, ftree-dse, ftree-loop-optimize,
1491         ftree-points-to, ftree-pre, ftree-sra, ftree-ter,
1492         ftree-lrs): Add.
1493         * config.in (HAVE_LD_PIE, HAVE_BANSHEE, PREFIX_INCLUDE_DIR):
1494         Undefine.
1495         * configure.ac: Add --enable-tree-browser option.
1496         Add --with-libbanshee option.
1497         Add GMPLIBS and GMPINC.
1498         * configure: Regenerate.
1499         * coverage.c (tree_ctr_tables): New.
1500         (coverage_counter_alloc): Use it.
1501         (build_ctr_info_value): Ditto.
1502         (coverage_counter_ref): Ditto.  Rename to rtl_coverage_counter_ref.
1503         (tree_coverage_counter_ref): New.
1504         * coverage.h (coverage_counter_ref): Remove declaration.
1505         (rtl_coverage_counter_ref): Declare.
1506         (tree_coverage_counter_ref): Declare.
1507         * cppexp.c (append_digit): Rearrange unsignedp/overflow setting.
1508         (eval_token, num_binary_op, num_part_mul, num_div_op): Likewise.
1509         * cse.c (fold_rtx): Do not handle CONSTANT_P_RTX.
1510         (struct cse_basic_block_data): Rename enum values to not
1511         conflict with profile.h; update all uses.
1512         * dbxout.c (dbxout_symbol_location): Don't mention integrate.c
1513         in comments.
1514         * defaults.h (TRAMPOLINE_ALIGNMENT): Move from function.c.
1515         * diagnostic.h (debug_output_buffer, dump_generic_node,
1516         print_generic_stmt, print_generic_stmt_indented,
1517         print_generic_expr, print_generic_decl,
1518         debug_generic_expr, debug_generic_stmt, debug_c_tree):
1519         Declare.
1520         * dominance.c: Cache immediate dominators.
1521         * domwalk.c: New file.
1522         * domwalk.h: New file.
1523         * dwarf2out.c (is_fortran): Support DW_LANG_Fortran95.
1524         (gen_subprogram_die): Generate a DIE for a named
1525         return value.
1526         (loc_descriptor_from_tree): Treat RESULT_DECL like VAR_DECL.
1527         (add_location_or_const_value_attribute): Likewise.
1528         (add_bound_info): Likewise.
1529         (gen_decl_die): Likewise.
1530         * emit-rtl.c (maybe_set_first_label_num): New.
1531         (copy_most_rtx): Don't copy the integrated flag.
1532         Copy the new return_val flag.
1533         * et-forest.c (MAX_NODES): Define.
1534         (record_path_before_1): Abort if len is greater than
1535         MAX_NODES.
1536         * except.c (gen_eh_region, gen_eh_region_cleanup, gen_eh_region_try,
1537         gen_eh_region_catch, gen_eh_region_allowed,
1538         gen_eh_region_must_not_throw, get_eh_region_number,
1539         get_eh_region_may_contain_throw, get_eh_region_tree_label,
1540         set_eh_region_tree_label, expand_resx_expr): New.
1541         (expand_eh_region_start, expand_start_catch): Use them.
1542         (expand_end_catch): Tidy.
1543         (note_eh_region_may_contain_throw): Take region argument.
1544         (note_current_region_may_contain_throw): New.
1545         (get_exception_filter): Export.
1546         (collect_eh_region_array): Export.
1547         (remove_unreachable_regions): Check ERT_TRY based on reachability
1548         of catches, not reachability of continue_label.  Never remove
1549         ERT_MUST_NOT_THROW regions.
1550         (collect_rtl_labels_from_trees): New.
1551         (convert_from_eh_region_ranges): Use it.
1552         (connect_post_landing_pads): Handle dying cleanups.
1553         (struct reachable_info): Add callback data.
1554         (add_reachable_handler): Invoke the callback.
1555         (foreach_reachable_handler): New.
1556         (reachable_handlers): Use it.
1557         (arh_to_landing_pad, arh_to_label): New.
1558         (can_throw_internal_1): Split out from can_throw_internal.
1559         (can_throw_external_1): Similarly.
1560         * except.h: Update.
1561         * explow.c (emit_stack_save): Remove savearea mode check.
1562         (update_nonlocal_goto_save_area): New.
1563         (allocate_dynamic_stack_space): Use it.
1564         (probe_stack_range): Never emit loop notes.
1565         * expmed.c (extract_fixed_bit_field): Always propagate the
1566         target for the shift if it is a REG.
1567         * expr.c: Include tree-iterator.h
1568         (is_zeros_p): Remove.
1569         (categorize_ctor_elements_1, categorize_ctor_elements): New.
1570         (count_type_elements): New.
1571         (mostly_zeros_p): Use them.
1572         (expr_wfl_stack): Remove.
1573         (convert_move): Do nothing if to and from are the same.
1574         (emit_block_move_via_loop): Don't emit LOOP notes.
1575         (emit_move_insn): Don't handle CONSTANT_P_RTX.
1576         (emit_move_insn_1): Don't generate inline warnings.
1577         (expand_vars, expand_var): Split from ...
1578         (expand_expr_1): ... here.
1579         (expand_expr_real, expand_expr_real_1):  Use new macros
1580         EXPR_LOCATION and EXPR_HAS_LOCATION.
1581         * expr.h (simplify_builtin_fputs,
1582         simplify_builtin_strcpy, simplify_builtin_strncpy,
1583         expand_var, fixup_tail_calls,
1584         update_nonlocal_goto_save_area): Declare.
1585         (lookup_static_chain, expand_inline_function,
1586         mark_seen_cases): Remove.
1587         (prepare_call_address): Change type of 2nd argument to
1588         rtx.
1589         * final.c (profile_function): Update static chain test.
1590         (final): Don't look at RTX_INTEGRATED_P.
1591         * flags.h (flag_mudflap, flag_mudflap_threads,
1592         flag_mudflap_ignore_reads, flag_tree_pre, flag_tree_ccp,
1593         flag_tree_dce, flag_tree_combine_temps,
1594         flag_tree_live_range_split, flag_tree_dom, flag_tree_ch,
1595         flag_tree_dse, flag_tree_sra, flag_tree_copyrename,
1596         flag_tree_points_to): Declare.
1597         (enum pta_type): Declare.
1598         * flow.c (lang_missing_noreturn_ok_p): Remove.
1599         (check_function_return_warnings): Remove.
1600         (update_life_info): Update comments.
1601         (free_basic_block_vars): Don't call VARRAY_FREE for
1602         basic_block_info.
1603         (regno_uninitialized): Remove.
1604         * fold-const.c (int_const_binop): Make extern.
1605         (non_lvalue): Rely on build to set TREE_CONSTANT.
1606         (operand_equal_p): Replace only_const argument with
1607         flags.  Allow pure functions if OEP_PURE_SAME.
1608         (fold): Use OEP_ONLY_CONST.
1609         (invert_truthvalue) <NOP_EXPR> Break if argument is of
1610         boolean type.
1611         (fold_relational_hi_lo,
1612         nondestructive_fold_binary_to_constant,
1613         nondestructive_fold_unary_to_constant,
1614         fold_read_from_constant_string): New.
1615         * function.c (struct function): Remove calls_constant_p.
1616         (current_function_calls_constant_p): Remove.
1617         (inline_function_decl): Remove.
1618         (put_var_into_stack): Don't use it.
1619         (fix_lexical_addr): Likewise.
1620         (inline_function_decl): Remove extern declaration.
1621         (TRAMPOLINE_ALIGNMENT): Move to defaults.h.
1622         (trampolines_created): Move to varasm.c.
1623         (free_after_compilation): Update for removed fields.
1624         (allocate_struct_function): Likewise.
1625         (delete_handlers, lookup_static_chain): Remove.
1626         (fix_lexical_addr): Don't consider non-local variable refs.
1627         (trampoline_address): Remove.
1628         (round_trampoline_addr): Move to builtins.c.
1629         (adjust_trampoline_addr): Remove.
1630         (expand_function_start): Update for changes to static chain
1631         and nonlocal goto handling.
1632         (initial_trampoline): Move to varasm.c.
1633         (expand_function_end): Don't build trampolines or kill
1634         unreferenced nonlocal goto labels.
1635         (free_after_compilation): Don't set it.
1636         (expand_function_end): Likewise.
1637         (setjmp_vars_warning): Rename from
1638         uninitialized_vars_warning, remove uninitialized vars warning.
1639         (uninitialized_vars_warning): Remove old comment
1640         and check for DECL_INITIAL, replace with a check of TREE_NO_WARNING
1641         and do not call the langhook.
1642         (expand_function_start, expand_function_end): Don't do
1643         function instrumentation here.
1644         (clear_block_marks): Rename from reorder_blocks_0, export.
1645         (blocks_nreverse): Export.
1646         (uninitialized_vars_warning): Use DECL_RTL_SET_P to test for presence
1647         of rtl.
1648         (reset_block_changes, record_block_change, finalize_block_changes,
1649         check_block_change, free_block_changes): New functions.
1650         (assign_parms): Setting of current_function_stdarg
1651         moved ...
1652         (allocate_struct_function): ... here.
1653         * function.h (struct function): Remove x_nonlocal_labels,
1654         x_nonlocal_goto_handler_slots, x_nonlocal_goto_stack_level,
1655         x_context_display, x_trampoline_list, needs_context.
1656         Add static_chain_decl, nonlocal_goto_save_area.
1657         (struct function): Remove x_clobber_return_insn.
1658         Add tail_call_emit field, last_label_uid,
1659         unexpanded_var_list, dont_emit_block_notes,
1660         ib_boundaries_block, function_end_locus and saved_tree/saved_args.
1661         (clear_block_marks): Declare.
1662         * gcc.c (MFWRAP_SPEC, MFLIB_SPEC): Add -fmudflapth support.
1663         (mfwrap_spec, mflib_spec): Declare.
1664         (cpp_unique_options, cc1_options): Ditto.
1665         (default_compilers): Add .F and .f90.
1666         (static_specs): Add mfwrap and mflib.
1667         * gcse.c (want_to_gcse_p, gcse_constant_p): Don't handle
1668         CONSTANT_RTX_P.
1669         (reg_used_on_edge, reg_killed_on_edge, bypass_block):
1670         Update to match insns field in struct edge_def.
1671         * gdbinit.in (pgs, pge): Define.
1672         * genattrtab.c (ATTR_PERMANENT_P): Use the return_val flag
1673         instead of the integrated flag.
1674         * gengtype-lex.l (IWOrD): Add HOST_WIDEST_INT
1675         * gengtype-yacc.y (bitfieldlen): Add empty action.
1676         (struct_fields): Accept unnamed bitfields.
1677         (bitfieldlen): Split from ...
1678         (bitfieldopt): ... here.
1679         * gengtype.c (ifiles): Add tree-alias-type.h and
1680         tree-flow.h.
1681         * genrecog.c (validate_pattern): Do not handle
1682         CONSTANT_P_RTX.
1683         * gimple-low.c: New file.
1684         * gimplify.c: New file.
1685         * haifa-sched.c (priority): Do not handle CONSTANT_P_RTX.
1686         (restore_line_notes): Do not set RTX_INTEGRATED_P.
1687         * ifcvt.c (dead_or_predicable): Initialize local variable
1688         'earliest'.
1689         * input.h (expr_wfl_stack): Remove.
1690         * integrate.c (INTEGRATE_THRESHOLD): Remove.
1691         (setup_initial_hard_reg_value_integration): Likewise.
1692         (initialize_for_inline): Likewise.
1693         (note_modified_parmregs): Likewise.
1694         (integrate_parm_decls): Likewise.
1695         (process_reg_param): Likewise.
1696         (save_parm_insns): Likewise.
1697         (copy_insn_list): Likewise.
1698         (copy_insn_notes): Likewise.
1699         (compare_blocks): Likewise.
1700         (find_block): Likewise.
1701         (inlining): Likewise.
1702         (function_cannot_inline_p): Likewise.
1703         (parmdecl_map): Likewise.
1704         (in_nonparam_insns): Likewise.
1705         (save_for_inline): Likewise.
1706         (FIXED_BASE_PLUS): Likewise.
1707         (expand_inline_function): Likewise.
1708         (copy_rtx_and_substitute): Don't look at map->integrating,
1709         map->inline_target, and inlining, since we are never copying
1710         for integrating.
1711         Don't abort on RTX_INTEGRATED_P.
1712         (old_fun): Remove.
1713         (output_inline_function): Remove.
1714         * integrate.h (struct inline_map): Remove fields integrating,
1715         block_map, leaf_reg_map, inline_target, and local_return_label.
1716         * jump.c (next_nonnote_insn_in_loop, duplicate_loop_exit_test,
1717         copy_loop_headers, never_reached_warning): Removed.
1718         (any_uncondjump_p): Reject nonlocal goto.
1719         * langhooks-def.h (lhd_types_compatible_p,
1720         lhd_expand_decl, lhd_gimplify_expr): Declare.
1721         (LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
1722         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1723         LANG_HOOKS_FUNCTION_LEAVE_NESTED,
1724         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1725         LANG_HOOKS_GIMPLIFY_EXPR,
1726         LANG_HOOKS_GIMPLE_BEFORE_INLINING,
1727         LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
1728         LANG_HOOKS_GIMPLIFY_EXPR,
1729         LANG_HOOKS_GIMPLE_BEFORE_INLINING): Define.
1730         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_START,
1731         LANG_HOOKS_RTL_EXPAND_STMT, LANG_HOOKS_RTL_EXPAND_END,
1732         LANG_HOOKS_FUNCTION_LEAVE_NESTED,
1733         LANG_HOOKS_RTL_EXPAND_INITIALIZER,
1734         LANG_HOOKS_DECL_UNINIT,
1735         LANG_HOOKS_RTL_EXPAND_INITIALIZER): Remove.
1736         * langhooks.c: Include tree-simple.h.
1737         (lhd_expand_decl): New.
1738         (lhd_types_compatible_p): New.
1739         (lhd_decl_uninit): Remove.
1740         (lhd_gimplify_expr): New.
1741         * langhooks.h (struct lang_hooks_for_rtl_expansion):
1742         Remove.
1743         (struct lang_hooks_for_functions): Add field
1744         missing_noreturn_ok_p.
1745         (struct lang_hooks): Add field expand_decl,
1746         types_compatible_p, gimplify_expr and
1747         gimple_before_inlining.
1748         Remove fields decl_uninit and rtl_expand
1749         * opts.c (decode_options): Set flag_tree_ccp,
1750         flag_tree_dce, flag_tree_dom, flag_tree_dse,
1751         flag_tree_pre, flag_tree_ter,
1752         flag_tree_live_range_split, flag_tree_sra,
1753         flag_tree_copyrename and flag_tree_ch at -O1 and higher.
1754         (common_handle_option): Handle OPT_fdump_, OPT_fmudflap,
1755         OPT_fmudflapth, OPT_fmudflapir,
1756         OPT_ftree_based_profiling, OPT_ftree_ccp, OPT_ftree_dce,
1757         OPT_ftree_combine_temps, OPT_ftree_ter, OPT_ftree_lrs,
1758         OPT_ftree_dominator_opts, OPT_ftree_copyrename,
1759         OPT_ftree_ch, OPT_ftree_dse, OPT_ftree_sra,
1760         OPT_ftree_points_to_ and OPT_ftree_pre.
1761         * output.h (regno_uninitialized, find_basic_blocks,
1762         cleanup_cfg, delete_unreachable_blocks,
1763         check_function_return_warnings): Remove.
1764         * params.def (PARAM_MAX_INLINE_INSNS_RECURSIVE,
1765         PARAM_MAX_INLINE_INSNS_RECURSIVE_AUTO,
1766         PARAM_MAX_INLINE_RECURSIVE_DEPTH,
1767         PARAM_MAX_INLINE_RECURSIVE_DEPTH_AUTO,
1768         PARAM_GLOBAL_VAR_THRESHOLD, PARAM_MAX_ALIASED_VOPS):
1769         * params.h (GLOBAL_VAR_THRESHOLD, MAX_ALIASED_VOPS):
1770         Define.
1771         * passes.c (rest_of_decl_compilation):
1772         (rest_of_handle_sibling_calls): Remove.
1773         (rest_of_handle_inlining): Remove.
1774         (rest_of_handle_gcse): Do not run
1775         purge_builtin_constant_p.
1776         (rest_of_compilation): Update.
1777         Do not call copy_loop_headers.
1778         Do rtl-based profiling only when
1779         !flag_tree_based_profiling.  Register rtl-based profiling
1780         hooks.
1781         * predict.c:  Include tree-flow.h, ggc.h, tree-dump.h
1782         (predicted_by_p): Rename to ...
1783         (rtl_predicted_by_p): .. this one; make global
1784         (tree_predicted_by_p): New.
1785         (dump_prediction): Add FILE argument.
1786         (predict_edge): Rename to ...
1787         (rtl_predict_edge): .. this one.
1788         (tree_predict_edge): New.
1789         (combine_predictions_for_insn): Update calls of predict_edge.
1790         (predict_loops): Break out from ...
1791         (estimate_probability): ... here; update comments; move updating
1792         of unknown probabilities from ...
1793         (estimate_bb_frequencies): ... here.
1794         (combine_predictions_for_bb): New.
1795         (tree_predict_by_opcode): New.
1796         (tree_estimate_probability): New.
1797         * predict.def (PRED_TREE_POINTER, PRED_TREE_OPCODE_POSITIVE,
1798         PRED_TREE_OPCODE_NONEQUAL, PRED_TREE_FPOPCODE): New predictors.
1799         * predict.h: Add include guard.
1800         (predict_edge, predict_edge_def): Move prototypes to basic_block.h
1801         * pretty-print.c (pp_write_text_to_stream): Make extern.
1802         * pretty-print.h (pp_write_text_to_stream): Declare.
1803         * print-rtl.c (print_rtx): Don't print the integrated flag.
1804         Print the return_val flag.
1805         * print-tree.c: Use TREE_FILENAME and TREE_LINENO instead
1806         of DECL_SOURCE_FILE and DECL_SOURCE_LINE respectively.
1807         Remove support for EXPR_WITH_FILE_LOCATION nodes.
1808         (print_node): Print TREE_INVARIANT and TREE_VISITED.
1809         * profile.c: Include cfghooks.h, tree-flow.h.
1810         (profile_hooks): New.
1811         (profile_dump_file): New.
1812         (instrument_edges): Use hooks instead of RTL-specific code.
1813         (instrument_values): Ditto.
1814         (get_exec_counts): Ditto.
1815         (compute_branch_probabilities): Ditto.
1816         (compute_value_histograms): Ditto.
1817         (branch_prob): Ditto.
1818         (find_spanning_tree): Ditto.
1819         (end_branch_prob): Ditto.
1820         (gen_edge_profiler): Move to rtl-profile.c (rtl_gen_edge_profiler).
1821         (gen_interval_profiler): Ditto (rtl_gen_interval_profiler).
1822         (gen_pow2_profiler): Ditto (rtl_gen_pow2_profiler).
1823         (gen_one_value_profiler): Ditto (rtl_gen_one_value_profiler).
1824         (tree_register_profile_hooks): New.
1825         (rtl_register_profile_hooks): New.
1826         * ra-rewrite.c (rewrite_program): Clear variable info.
1827         * recog.c (immediate_operand): Do not handle CONSTANT_P_RTX.
1828         * regs.h: Add include guards.
1829         * reload.c (decompose): Clear val using memset.
1830         * rtl.def (CONSTANT_P_RTX): Remove.
1831         * rtl.h (CONSTANT_P): Do not handle CONSTANT_P_RTX.
1832         (copy_loop_headers): Remove.
1833         (struct rtx_def): Replace the integrated flag with the
1834         return_val flag.
1835         (maybe_set_first_label_num): Declare.
1836         (init_branch_prob): Move declaration to value-prof.h.
1837         (end_branch_prob): Ditto.
1838         (branch_prob): Ditto.
1839         (never_reached_warning): Don't declare it.
1840         * rtlanal.c (get_related_value): Initialize get_jump_table_offset
1841         (hoist_insn_to_edge): Update to match field insns in
1842         struct edge_def.
1843         * sbitmap.c (sbitmap_realloc): New.
1844         * sbitmap.h (sbitmap_realloc): Declare.
1845         * sibcall.c: Remove file.
1846         * simplify-rtx.c (simplify_rtx): Do not handle
1847         CONSTANT_P_RTX.
1848         * stmt.c (parse_output_constraint): Don't warn for read-write
1849         memory operand.
1850         (tail_recursion_args): Use types_compatible_p langhook.
1851         (force_label_rtx): Don't look at inline_function_decl.
1852         (label_rtx): Set LABEL_PRESERVE_P appropriately.
1853         (expand_label): Handle DECL_NONLOCAL and FORCED_LABEL.
1854         (declare_nonlocal_label): Remove.
1855         (expand_goto): Don't handle nonlocal gotos.
1856         (expand_nl_handler_label): Remove.
1857         (expand_nl_goto_receivers): Remove.
1858         (expand_end_bindings): Don't expand_nl_goto_receivers.  Use
1859         update_nonlocal_goto_save_area.
1860         (expand_expr_stmt_value): Check TREE_NO_WARNING.
1861         (warn_if_unused_value): Likewise.
1862         (expand_start_loop, expand_loop_continue_here,
1863         expand_end_loop): Don't create loop notes.
1864         (all_cases_count, BITARRAY_TEST, BITARRAY_SET,
1865         mark_seen_cases, check_for_full_enumeration_handling): Remove.
1866         (expand_end_case_type): Don't do warn_switch handling.
1867         (pushcase, pushcase_range) Update add_case_node calls.
1868         (add_case_node): Add dont_expand_label argument.
1869         (same_case_target_p): Don't search rtl.
1870         (expand_start_bindings_and_block, expand_end_bindings):
1871         Don't emit block notes when dont_emit_block_notes.
1872         (using_eh_for_cleanups_p): Export.
1873         (expand_return): Allow any typed rhs.
1874         (expand_stack_alloc): New.
1875         (expand_stack_save, expand_stack_restore): New.
1876         (containing_blocks_have_cleanups_or_stack_level): New
1877         function.
1878         (asm_op_is_mem_input): New fn.
1879         (expand_asm_expr): New fn.
1880         (warn_if_unused_value): Check operand 0 of SAVE_EXPR
1881         nodes.
1882         * stor-layout.c (layout_type): Just return if type is
1883         error_mark_node.
1884         (update_alignment_for_field): Export.
1885         (variable_size): We don't care about global_bindings_p if
1886         the frontend doesn't want a list of the expressions.
1887         * system.h: Poison INTEGRATE_THRESHOLD.
1888         * timevar.def (TV_TREE_GIMPLIFY, TV_TREE_EH, TV_TREE_CFG,
1889         TV_TREE_CLEANUP_CFG, TV_TREE_PTA, TV_TREE_MAY_ALIAS,
1890         TV_TREE_INSERT_PHI_NODES, TV_TREE_SSA_REWRITE_BLOCKS,
1891         TV_TREE_SSA_OTHER, TV_TREE_OPS,
1892         TV_TREE_SSA_DOMINATOR_OPTS, TV_TREE_SRA, TV_TREE_CCP,
1893         TV_TREE_SPLIT_EDGES, TV_TREE_PRE, TV_TREE_PHIOPT,
1894         TV_TREE_FORWPROP, TV_TREE_DCE, TV_TREE_CD_DCE,
1895         TV_TREE_DSE, TV_TREE_LOOP, TV_TREE_CH,
1896         TV_TREE_SSA_TO_NORMAL, TV_TREE_SSA_TO_NORMAL,
1897         TV_TREE_NRV, TV_TREE_COPY_RENAME, TV_TREE_SSA_VERIFY,
1898         TV_TREE_STMT_VERIFY, TV_DOM_FRONTIERS,
1899         TV_CONTROL_DEPENDENCES): Define.
1900         * toplev.c: Include tree-alias-common.h
1901         (current_file_decl, flag_mudflap, flag_mudflap_threads,
1902         flag_mudflap_ignore_reads, flag_tree_based_profiling,
1903         flag_tree_gvn, flag_tree_points_to, flag_tree_ccp,
1904         flag_tree_dce, flag_tree_ch, flag_tree_sra,
1905         flag_tree_combine_temps, flag_tree_ter,
1906         flag_tree_live_range_split, flag_tree_dom,
1907         flag_tree_copyrename, flag_tree_dse): Declare.
1908         (f_options): Add tree-based-profiling, tree-gvn,
1909         tree-pre, tree-ccp, tree-dce,
1910         tree-dominator-opts, tree-copyrename, tree-dse,
1911         tree-combine-temps, tree-ter, tree-lrs and tree-ch.
1912         (wrapup_global_declarations): Don't output nested inlined functions.
1913         (general_init): Call init_tree_optimization_passes.
1914         (process_options): Sorry for -ftree-based-profiling plus
1915         -ftest-coverage or -fprofile-values.
1916         * toplev.h (init_tree_optimization_passes,
1917         flag_tree_based_profiling): Declare.
1918         * tracer.c (tail_duplicate): Use cfghooks for bb duplication.
1919         * tree-alias-ander.c: New file.
1920         * tree-alias-ander.h: New file.
1921         * tree-alias-common.c: New file.
1922         * tree-alias-common.h: New file.
1923         * tree-alias-type.c: New file.
1924         * tree-alias-type.h: New file.
1925         * tree-browser.c: New file.
1926         * tree-browser.def: New file.
1927         * tree-cfg.c: New file.
1928         * tree-complex.c: New file.
1929         * tree-dfa.c: New file.
1930         * tree-dump.c (dump_enable_all): New.
1931         (dequeue_and_dump): Do not handle EXPR_WITH_FILE_LOCATION.
1932         (dump_node): Remove const from field suffix and swtch.
1933         (dump_files): Add null entry, .generic, .nested, .vcg,
1934         .xml and a match-all entry.
1935         (extra_dump_files, extra_dump_files_in_use,
1936         extra_dump_files_alloced): Declare
1937         (dump_option_value_info): Add raw, details, stats,
1938         blocks, vops, lineno, uid and all.
1939         (dump_register): New.
1940         (get_dump_file_info): New.
1941         (dump_begin): Call it.
1942         Do nothing for TDI_none.
1943         (dump_begin): Include phase number in dump filename.
1944         (dump_enable_all): New.
1945         (dump_switch_p_1): Split out from dump_switch_p.
1946         (dump_switch_p): Handle extra_dump_files.
1947         Start our scan at TDI_none + 1.
1948         If -fdump-tree-all was given, call dump_enable_all.
1949         * tree-dump.h: Include splay-tree.h.
1950         (dump_function, dump_function_to_file, dump_register):
1951         Declare.
1952         * tree-eh.c: New file.
1953         * tree-flow-inline.h: New file.
1954         * tree-flow.h: New file.
1955         * tree-inline.c: Re-write to handle inlining on GIMPLE.
1956         * tree-inline.h (walk_tree,
1957         walk_tree_without_duplicates): Move to tree.h.
1958         (estimate_num_insns): Declare.
1959         * tree-into-ssa.c: New file.
1960         * tree-iterator.c: New file.
1961         * tree-iterator.h: New file.
1962         * tree-mudflap.c: New file.
1963         * tree-mudflap.h: New file.
1964         * tree-nested.c: New file.
1965         * tree-nomudflap.c: New file.
1966         * tree-nrv.c: New file.
1967         * tree-optimize.c (dump_flags, vars_to_rename,
1968         in_gimple_form, all_passes, pass_gimple,
1969         pass_rebuild_bind, pass_all_optimizations, pass_del_cfg): Declare.
1970         (execute_gimple, execute_rebuild_bind,
1971         gate_all_optimizations, execute_del_cfg,
1972         register_one_dump_file, register_dump_files, dup_pass_1,
1973         init_tree_optimization_passes, execute_todo,
1974         execute_one_pass, execute_pass_list): New.
1975         (clear_decl_rtl): Remove.
1976         (tree_rest_of_compilation): Update to use tree
1977         optimizers.
1978         * tree-outof-ssa.c: New file.
1979         * tree-pass.h: New file.
1980         * tree-phinodes.c: New file.
1981         * tree-pretty-print.c: New file.
1982         * tree-profile.c: New file.
1983         * tree-simple.c: New file.
1984         * tree-simple.h: New file.
1985         * tree-sra.c: New file.
1986         * tree-ssa-alias.c: New file.
1987         * tree-ssa-ccp.c: New file.
1988         * tree-ssa-copy.c: New file.
1989         * tree-ssa-copyrename.c: New file.
1990         * tree-ssa-dce.c: New file.
1991         * tree-ssa-dom.c: New file.
1992         * tree-ssa-dse.c: New file.
1993         * tree-ssa-forwprop.c: New file.
1994         * tree-ssa-live.c: New file.
1995         * tree-ssa-live.h: New file.
1996         * tree-ssa-loop.c: New file.
1997         * tree-ssa-operands.c: New file.
1998         * tree-ssa-operands.h: New file.
1999         * tree-ssa-phiopt.c: New file.
2000         * tree-ssa-pre.c: New file.
2001         * tree-ssa.c: New file.
2002         * tree-ssanames.c: New file.
2003         * tree-tailcall.c: New file.
2004         * tree.c: Include tree-iterator.h, basic-block.h and
2005         tree-flow.h.
2006         (tree_node_kind): Add phi_nodes and ssa names.
2007         (tree_size): Handle PHI_NODE, EPHI_NODE, SSA_NAME,
2008         EUSE_NODE, EKILL_NODE, EEXIT_NODE and STATEMENT_LIST.
2009         (make_node_stat): Handle PHI_NODE and SSA_NAME.
2010         <'c'> Set TREE_INVARIANT.
2011         (copy_node_stat): Abort if trying to copy a
2012         STATEMENT_LIST.
2013         Clear TREE_VISITED.
2014         Clear annotation field.
2015         (build_constructor): Copy TREE_INVARIANT from vals.
2016         Don't clear TREE_CONSTANT.
2017         (expr_first, expr_last, expr_length): Remove.
2018         (staticp): Pass unknown component references to the language.
2019         (save_expr): Check TREE_INVARIANT instead of TREE_CONSTANT.
2020         (skip_simple_arithmetic): Likewise.
2021         (stabilize_reference_1): Likewise.
2022         (tree_node_structure): Handle PHI_NODE, EPHI_NODE,
2023         EUSE_NODE, EKILL_NODE, EEXIT_NODE, SSA_NAME and
2024         STATEMENT_LIST.
2025         (lhd_unsave_expr_now): Remove.
2026         (unsafe_for_reeval): Handle LABEL_EXPR and BIND_EXPR.
2027         (recompute_tree_invarant_for_addr_expr): New.
2028         (build1_stat): Clear EXPR_LOCUS and TREE_BLOCK.
2029         Call recompute_tree_invarant_for_addr_expr.
2030         Set TREE_INVARIANT accordingly.
2031         (build2_stat): Don't handle CALL_EXPR.
2032         (build3_stat): Don't call build2_stat for CALL_EXPRs.
2033         (build_expr_wfl): Remove.
2034         (annotate_with_file_line, annotate_with_locus): New.
2035         (simple_cst_equal): Call simple_cst_list_equal to compare
2036         CONSTRUCTOR_ELTS pointers.
2037         (iterative_hash_expr): Don't hash types associated
2038         with conversions.  Instead hash on the signedness of the
2039         toplevel object and the operand of the conversion.
2040         (dump_tree_statistics): Call ssanames_print_statistics
2041         and phinodes_print_statistics.
2042         (ephi_node_elt_check_failed, phi_node_elt_check_failed,
2043         add_var_to_bind_expr, build_empty_stmt, is_essa_node,
2044         needs_to_live_in_memory): New.
2045         (initializer_zerop): Handle VECTOR_CST.  Don't check
2046         AGGREGATE_TYPE_P for CONSTRUCTOR.
2047         * tree.def (FILTER_EXPR, CASE_LABEL_EXPR, RESX_EXPR,
2048         SSA_NAME, EUSE_NODE, EKILL_NODE, EPHI_NODE, EEXIT_NODE,
2049         PHI_NODE, CATCH_EXPR, EH_FILTER_EXPR, STATEMENT_LIST): Define.
2050         (GOTO_SUBROUTINE_EXPR): Change type to 's'.
2051         (CALL_EXPR): Add another operand.
2052         (EXPR_WITH_FILE_LOCATION): Remove.
2053         (SWITCH_EXPR): Add another operand.
2054         * tree.h: Update various comments.
2055         (union tree_ann_d): Forward declare.
2056         (struct tree_common): Add fields nowarning_flag,
2057         invariant_flag and visited.
2058         (EREF_NODE_CHECK, EPHI_NODE_ELT_CHECK,
2059         PHI_NODE_ELT_CHECK, EREF_NODE_CHECK, PHI_NODE_ELT_CHECK,
2060         EPHI_NODE_ELT_CHECK, TREE_BLOCK,
2061         STRIP_USELESS_TYPE_CONVERSION, CALL_EXPR_TAILCALL,
2062         TREE_NO_WARNING, FORCED_LABEL, TREE_INVARIANT,
2063         IS_EMPTY_STMT, EXPR_LOCUS, SET_EXPR_LOCUS, EXPR_FILENAME,
2064         EXPR_LINENO, EXPR_LOCATION, EXPR_HAS_LOCATION,
2065         EXIT_EXPR_COND, SWITCH_COND, SWITCH_BODY, SWITCH_LABELS,
2066         CASE_LOW, CASE_HIGH, CASE_LABEL, BIND_EXPR_VARS,
2067         BIND_EXPR_BODY, BIND_EXPR_BLOCK, GOTO_DESTINATION,
2068         ASM_STRING, ASM_OUTPUTS, ASM_INPUTS, ASM_CLOBBERS,
2069         ASM_INPUT_P, ASM_VOLATILE_P, COND_EXPR_COND,
2070         COND_EXPR_THEN, COND_EXPR_ELSE, LABEL_EXPR_LABEL,
2071         CATCH_TYPES, CATCH_BODY, EH_FILTER_TYPES,
2072         EH_FILTER_FAILURE, EH_FILTER_MUST_NOT_THROW,
2073         SSA_NAME_VAR, SSA_NAME_DEF_STMT, SSA_NAME_VERSION,
2074         SSA_NAME_OCCURS_IN_ABNORMAL_PHI, SSA_NAME_IN_FREE_LIST,
2075         PHI_RESULT, PHI_REWRITTEN, PHI_NUM_ARGS,
2076         PHI_ARG_CAPACITY, PHI_ARG_ELT, PHI_ARG_EDGE, PHI_ARG_DEF,
2077         EREF_PROCESSED, EREF_ID, EREF_NAME, EREF_STMT,
2078         EREF_RELOAD, EREF_SAVE, EREF_CLASS, EREF_INJURED,
2079         EREF_TEMP, EUSE_DEF, EUSE_PHIOP, EUSE_INSERTED,
2080         EUSE_LVAL, EPHI_NUM_ARGS, EPHI_ARG_CAPACITY,
2081         EPHI_ARG_ELT, EPHI_ARG_EDGE, EPHI_ARG_PRED, EPHI_ARG_DEF,
2082         EPHI_ARG_INJURED, EPHI_ARG_DELAYED_RENAME,
2083         EPHI_ARG_HAS_REAL_USE, EPHI_ARG_STOPS,
2084         EPHI_ARG_PROCESSED2, EPHI_IDENTITY, EPHI_IDENT_INJURED,
2085         EPHI_REP_OCCUR_KNOWN, EPHI_IDENTICAL_TO, EPHI_DOWNSAFE,
2086         EPHI_CANT_BE_AVAIL, EPHI_DEAD, EPHI_USES, EPHI_STOPS,
2087         TREE_VISITED, SSA_VAR_P, DECL_NUM_STMTS,
2088         DECL_HARD_REGISTER, DECL_PTA_ALIASVAR, LABEL_DECL_UID,
2089         DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL,
2090         STATEMENT_LIST_HEAD, STATEMENT_LIST_TAIL, TDF_RAW,
2091         TDF_DETAILS, TDF_STATS, TDF_BLOCKS, TDF_VOPS, TDF_LINENO,
2092         TDF_UID,): Define.
2093         (TREE_NO_UNUSED_WARNING, EXPR_WFL_EMIT_LINE_NOTE,
2094         EXPR_WFL_NODE, EXPR_WFL_FILENAME_NODE, EXPR_WFL_FILENAME,
2095         EXPR_WFL_LINECOL, EXPR_WFL_LINENO, EXPR_WFL_COLNO,
2096         EXPR_WFL_SET_LINECOL): Remove.
2097         (phi_node_elt_check_failed, ephi_node_elt_check_failed,
2098         make_phi_node, init_phinodes, fini_phinodes,
2099         release_phi_node, phinodes_print_statistics,
2100         init_ssanames, fini_ssanames, make_ssa_name,
2101         release_ssa_name, ssanames_print_statistics,
2102         annotate_with_file_line, build_empty_stmt,
2103         annotate_with_locus, expr_only, categorize_ctor_elements,
2104         count_type_elements, add_var_to_bind_expr, is_essa_node,
2105         expand_stack_alloc, expand_stack_save,
2106         expand_stack_restore, add_case_node, operand_equal_p,
2107         nondestructive_fold_unary_to_constant,
2108         nondestructive_fold_binary_to_constant,
2109         fold_read_from_constant_string, int_const_binop,
2110         strip_float_extensions, simplify_builtin, c_strlen,
2111         recompute_tree_invarant_for_addr_expr,
2112         needs_to_live_in_memory, make_vector,
2113         setjmp_vars_warning, update_alignment_for_field,
2114         expand_asm_expr, asm_op_is_mem_input,
2115         containing_blocks_have_cleanups_or_stack_level,
2116         create_artificial_label, gimplify_function_tree,
2117         get_name, unshare_expr, walk_tree,
2118         walk_tree_without_duplicates, in_gimple_form): Declare.
2119         (struct tree_exp): Add fields locus and block.
2120         (struct tree_ssa_name, struct edge_def, struct
2121         tree_phi_node, struct tree_eref_common, struct
2122         tree_euse_node, struct ephi_arg_d, struct tree_ephi_node,
2123         union alias_var_def, struct tree_statement_list_node,
2124         struct tree_statement_list, enum operand_equal_flag): Declare.
2125         (enum tree_node_structure_enum): Add TS_SSA_NAME,
2126         TS_PHI_NODE, TS_EPHI_NODE, TS_EUSE_NODE, TS_EREF_NODE,
2127         TS_STATEMENT_LIST.
2128         (union tree_node): Add fields ssa_name, phi, eref, ephi,
2129         euse and stmt_list.
2130         (function_cannot_inline_p, uninitialized_vars_warning,
2131         save_for_inline, output_inline_function, all_cases_count,
2132         check_for_full_enumeration_handling,
2133         declare_nonlocal_label): Remove.
2134         (enum tree_dump_index): Add TDI_none, TDI_tu,
2135         TDI_generic, TDI_nested, TDI_vcg, TDI_xml.
2136         * unroll.c (unroll_loop): Don't clear map->inline_target.
2137         * unwind-sjlj.c (uw_install_context): Make a proper static inline
2138         function.
2139         * value-prof.c (value_prof_hooks): New.
2140         (find_values_to_profile): Rename to rtl_find_values_to_profile.
2141         Move rtl-specific bits in from branch_prob.
2142         (value_profile_transformations): Rename to
2143         rtl_value_profile_transformations.
2144         (struct value_prof_hooks): New.
2145         (rtl_value_prof_hooks): New.
2146         (rtl_register_value_prof_hooks): New.
2147         (tree_find_values_to_profile): New stub.
2148         (tree_value_profile_transformations): New stub.
2149         (tree_value_prof_hooks): New stub.
2150         (tree_register_value_prof_hooks): New stub.
2151         (find_values_to_profile): New.
2152         (value_profile_transformations): New.
2153         * value-prof.h: Add multiple inclusion guard.
2154         (struct histogram_value): Change rtx fields to void *.
2155         (rtl_register_value_prof_hooks): New declaration.
2156         (tree_register_value_prof_hooks): New declaration.
2157         (find_values_to_profile): New declaration.
2158         (free_profiled_values): New declaration.
2159         (value_profile_transformations): New declaration.
2160         (struct profile_hooks): New declaration.
2161         (init_branch_prob): Declaration moved from rtl.h.
2162         (branch_prob): Declaration moved from rtl.h.
2163         (end_branch_prob): Declaration mooved from rtl.h.
2164         (tree_register_profile_hooks): New declaration.
2165         (rtl_register_profile_hooks): New declaration.
2166         (tree_profile_hooks): New declaration.
2167         (rtl_profile_hooks): New declaration.
2168         * varasm.c: Include tree-mudflap.h.
2169         (TRAMPOLINE_ALIGNMENT): Remove.
2170         (make_decl_rtl): Call mudflap_enqueue_decl.
2171         (assemble_static_space):
2172         (assemble_trampoline_template): Set and return
2173         TRAMPOLINE_ALIGNMENT.
2174         * varray.c (element): Add GENERIC_PTR_NOGC entry.
2175         Add entry for 'tree *'.
2176         Add entry for struct edge_def *.
2177         (varray_copy): New.
2178         * varray.h (enum varray_data_enum): Add
2179         VARRAY_DATA_GENERIC_NOGC, VARRAY_DATA_EDGE and
2180         VARRAY_DATA_TREE_PTR.
2181         (union varray_data_tag): Corresponding changes.
2182         (VARRAY_GENERIC_PTR_NOGC_INIT, VARRAY_EDGE_INIT,
2183         VARRAY_TREE_PTR_INIT, VARRAY_GENERIC_PTR_NOGC,
2184         VARRAY_EDGE, VARRAY_TREE_PTR,
2185         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_EDGE,
2186         VARRAY_PUSH_TREE_PTR, VARRAY_TOP_GENERIC_PTR_NOGC,
2187         VARRAY_TOP_EDGE, VARRAY_TOP_TREE_PTR): Define.
2188
2189         * config/*/*: Various updates for changed macros, tree
2190         codes, etc.  Check ChangeLog.tree-ssa.
2191
2192         * doc/cfg.texi: New file.
2193         * doc/tree-ssa.texi: New file.
2194         * doc/c-tree.texi: Document new codes.
2195         * doc/gccint.texi: Include new files.
2196         * doc/install.texi: Document new features.
2197         * doc/invoke.texi: Document new switches.
2198         * doc/passes.texi: Document new passes.
2199         * doc/rtl.texi: Update changed RTL codes.
2200         * doc/sourcebuild.texi: Update build instructions.
2201         * doc/standards.texi: Document Fortran changes.
2202         * doc/tm.texi: Update.
2203
2204 2004-05-12  Paolo Bonzini  <bonzini@gnu.org>
2205
2206         Replace several arrays with a struct of arrays.
2207         * combine.c (struct reg_stat): New.
2208         (init_reg_last_arrays): Renamed to...
2209         (init_reg_last): ...this.  Callers adjusted.
2210         (reg_stat): New.
2211         (combine_instructions): Allocate it and use it.
2212         (reg_last_death, reg_last_set, reg_last_set_value,
2213         reg_last_set_label, reg_last_set_table_tick,
2214         reg_last_set_invalid, reg_nonzero_bits, reg_sign_bit_copies,
2215         reg_last_set_mode, reg_last_set_nonzero_bits,
2216         reg_last_set_sign_bit_copies): Replace throughout
2217         with items of reg_stat.
2218
2219 2004-05-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2220
2221         PR optimization/15100
2222         * combine.c (distribute_notes): Don't create a dangling
2223         REG_LIBCALL/REG_RETVAL note.
2224
2225 2004-05-11  Aldy Hernandez  <aldyh@redhat.com>
2226
2227         * config/rs6000/spe.md (spe_evneg): Rename to negv2si2.
2228
2229         * config/rs6000/rs6000.c (bdesc_1arg): Change spe_evneg to
2230         negv2si2.
2231
2232 2004-05-11  Aldy Hernandez  <aldyh@redhat.com>
2233
2234         * doc/md.texi (Standard Names): Fix typo in vec_init description.
2235
2236 2004-05-11  Geoffrey Keating  <geoffk@apple.com>
2237
2238         * doc/gty.texi (GTY Options): Clarify example.
2239
2240 2004-05-11  Fariborz Jahanian  <fjahanian@apple.com>
2241
2242         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
2243         Add const qualifier to altivec vector type if one is needed.
2244
2245 2004-05-11  Paul Brook  <paul@codesourcery.com>
2246
2247         * flags.h (flag_short_enums): Update comment.
2248         * opts.c (decode_options): Set flag_short_enums to 2.
2249         * toplev.c (flag_short_enums): Update comment.
2250         (process_options): Call default_short_enums target hook.
2251
2252 2004-05-11  Andrew Pinski  <pinskia@gcc.gnu.org>
2253
2254         PR target/14063
2255         * config/rs6000/altivec.md (altivec_dssall):
2256         Change to unspec_volatile.
2257         (altivec_dss): Likewise.
2258
2259 2004-05-10  Aldy Hernandez  <aldyh@redhat.com>
2260
2261         * config/rs6000/altivec.md ("one_cmplv16qi2"): Change vnot to
2262         vnor.
2263         ("one_cmplv8hi2"): Same.
2264         ("one_cmplv4si2"): Same.
2265
2266 2004-05-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2267
2268         PR target/15130
2269         * config/sh/sh-protos.h (sh_expand_epilogue): Change prototype.
2270         * config/sh/sh.c (output_stack_adjust): Take the sibcall epilogue
2271         into account.  Compute the correct number of general registers
2272         for the return value.  Generate a special push/pop sequence when
2273         failing to get a temporary register for non SHmedia epilogue.
2274         (sh_expand_epilogue): Add an argument to show whether it's for
2275         sibcall or not.  Set the 3rd argument of output_stack_adjust to
2276         -1 if needed.
2277         (sh_need_epilogue): Call sh_expand_epilogue with 0.
2278         * config/sh/sh.md (sibcall_epilogue): Call sh_expand_epilogue
2279         with 1.
2280         (epilogue): Call sh_expand_epilogue with 0.
2281
2282 2004-05-10  Andrew Pinski  <pinskia@physics.uc.edu>
2283
2284         * gcse.c (eliminate_partially_redundant_loads): Instead of returning early,
2285         goto a cleanup label.  After the cleanup, free the allocated memory.
2286
2287 2004-05-10  Ziemowit Laski  <zlaski@apple.com>
2288
2289         * config/rs6000/altivec.h (vec_sld): Add overloads for
2290         argument/return types of 'vector bool int', 'vector bool short'
2291         and 'vector bool char'.
2292
2293 2004-05-10  Zack Weinberg  <zack@codesourcery.com>
2294
2295         * c-decl.c (store_parm_decls_newstyle): Correct test for a
2296         nested function.
2297
2298 2004-05-10  Richard Sandiford  <rsandifo@redhat.com>
2299
2300         * read-rtl.c (read_rtx): Allow 's' and 'T' strings to be omitted,
2301         treating missing ones as "".
2302         * config/mips/mips.md: Remove constraints from match_operands and
2303         match_scratches if they appear in define_expands (except reload*),
2304         define_peephole2s, define_splits or attribute specifications.
2305         * config/mips/7000.md, config/mips/sb1.md: Remove match_operand
2306         constraint strings.
2307
2308 2004-05-10  Alan Modra  <amodra@bigpond.net.au>
2309
2310         * config/rs6000/rs6000.c (function_arg_boundary): Always align
2311         AltiVec vectors.
2312         (function_arg_advance): Pass TARGET_32BIT -mabi=no-altivec AltiVec
2313         vectors by refererence.  Align the same for TARGET_64BIT to a 16
2314         byte boundary.  Remove useless code.  Add function comment.
2315         (function_arg): Similarly.  Move gpr rs6000_mixed_function_arg
2316         call to where it belongs.
2317         (function_arg_partial_nregs): Return true for all TARGET_32BIT
2318         -mabi=no-altivec AltiVec vectors.  Fix debug output.
2319         (rs6000_va_arg): Adjust for AltiVec change.
2320
2321 2004-05-10  Paul Brook  <paul@codesourcery.com>
2322
2323         * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
2324         * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
2325         (TARGET_DOUBLEWORD_ALIGN): Use it.
2326         (WCHAR_TYPE): Define.
2327         (WCHAR_SIZE_TYPE): Define.
2328         (SIZE_TYPE): Define.
2329
2330 2004-05-10  Alan Modra  <amodra@bigpond.net.au>
2331
2332         * config/rs6000/rs6000.c (function_arg_boundary): Align for ABI_V4
2333         when size is 8 bytes.
2334         (function_arg_advance): Account for stack space used by AltiVec
2335         args when -mabi=altivec.  Simplify alignment calculations.  For
2336         ABI_V4, pass AltiVec vectors by reference when -mabi=no-altivec.
2337         (function_arg): Similarly.
2338         (function_arg_pass_by_reference): True for ABI_V4 AltiVec when
2339         not AltiVec ABI.
2340         (rs6000_va_arg): Correct fp arg test.  Adjust for AltiVec change.
2341         Correct alignment, and align before testing reg count.  Remove
2342         TREE_THIS_VOLATILE from reg.  Don't emit unused labels.
2343         (rs6000_complex_function_value): Check TARGET_HARD_FLOAT and
2344         TARGET_FPRS here..
2345         (rs6000_function_value): .. not here before call.
2346
2347 2004-05-09  Aldy Hernandez  <aldyh@redhat.com>
2348
2349         * config/rs6000/spe.md ("tstsflt_gpr"): Fix typo in unspec.
2350
2351 2004-05-09  Zack Weinberg  <zack@codesourcery.com>
2352
2353         PR 15007
2354         * c-decl.c (current_file_decl): Rename to all_translation_units,
2355         adjust comment.
2356         (pop_scope): If popping file_scope, construct a
2357         TRANSLATION_UNIT_DECL and make it the context of all the
2358         symbols in the scope.
2359         (push_file_scope): Don't construct a TRANSLATION_UNIT_DECL here.
2360         (pushdecl): Clarify comment.  Do not set DECL_CONTEXT of
2361         anything to current_file_decl.
2362         (pushdecl_top_level): Likewise.
2363         (store_parm_decls_newstyle): Adjust check for nested function.
2364         (c_write_global_declarations): Update for renamed variable.
2365
2366 2004-05-09  Aldy Hernandez  <aldyh@redhat.com>
2367
2368         * config/rs6000/rs6000-protos.h
2369         (rs6000_conditional_register_usage): Protoize.
2370
2371         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): New.
2372
2373         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Call
2374         function.
2375
2376 2004-05-08  Roger Sayle  <roger@eyesopen.com>
2377
2378         * fold-const.c (fold_div_compare): New function to optimize X/C1 op C2
2379         where op is a comparison operator and C1 and C2 are integer constants
2380         into a range check.
2381         (fold): Call fold_div_compare.
2382
2383 2004-05-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2384
2385         * doc/install.texi (sparc-sun-solaris2*): Document bootstrap
2386         problems with earlier versions of the GNU compiler.
2387
2388 2004-05-07  Aldy Hernandez  <aldyh@redhat.com>
2389
2390         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
2391         Declare.
2392
2393         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): New.
2394         (rs6000_hard_regno_mode_ok): New.
2395         (rs6000_init_hard_regno_mode_ok): New.
2396         (rs6000_override_options): Call rs6000_init_hard_regno_mode_ok.
2397
2398         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Use precomputed
2399         result.
2400
2401 2004-05-07  Ziemowit Laski  <zlaski@apple.com>
2402
2403         * config/rs6000/altivec.h (vector, pixel, bool): Do not
2404         define as macros #ifdef __APPLE_ALTIVEC__.
2405
2406 2004-05-07  Fariborz Jahanian  <fjahanian@apple.com>
2407
2408         * config/rs6000/rs6000.c (rs6000_mixed_function_arg):
2409         Generate appropriate parallels for vector arguments
2410         passed to vararg functions. (function_arg): make the call
2411         to rs6000_mixed_function_arg for vector args as needed.
2412
2413 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2414
2415         * config/mips/mips.c (mips_va_arg): Fix calculation of osize for
2416         EABI_FLOAT_VARARGS_P.
2417
2418 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2419
2420         * config/mips/mips.h (ISA_HAS_BRANCHLIKELY): Remove TARGET_MIPS5500.
2421         * config/mips/mips.c (override_options): Disable branch likely
2422         instructions if TUNE_MIPS5500.
2423
2424 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2425
2426         * config/mips/mips.c (override_options): Allow the hi and lo registers
2427         to store any integral mode, not just MODE_INTs.
2428
2429 2004-05-07  Paul Brook  <paul@codesourcery.com>
2430
2431         * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
2432         * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
2433         (TARGET_DOUBLEWORD_ALIGN): Use it.
2434         (WCHAR_TYPE): Define.
2435         (WCHAR_SIZE_TYPE): Define.
2436         (SIZE_TYPE): Define.
2437
2438 2004-05-07  Uros Bizjak  <uros@kss-loka.si>
2439
2440         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Use
2441         testb $4, %ah insn instead of sahf insn if !TARGET_USE_SAHF.
2442
2443 2004-05-07  Andrew Pinski  <pinskia@physics.uc.edu>
2444
2445         * loop-doloop.c (doloop_valid_p): Make sure that body
2446         gets freed.
2447
2448 2004-05-07  Eric Botcazou  <ebotcazou@act-europe.fr>
2449
2450         * config/sparc/sparc-protos.h (sparc_skip_caller_unimp): New
2451         declaration.
2452         * config/sparc/sparc.c (SKIP_CALLERS_UNIMP_P): Delete.
2453         (sparc_skip_caller_unimp): New global variable.
2454         (sparc_function_epilogue): Set 'sparc_skip_caller_unimp'.
2455         Use it instead of SKIP_CALLERS_UNIMP_P.
2456         * config/sparc/sparc.md (call expander): Add sanity check.
2457         (call_address_struct_value_sp32): Re-sync with expander.
2458         (call_symbolic_struct_value_sp32): Likewise.
2459         (return peepholes): Use 'sparc_skip_caller_unimp' instead
2460         of custom predicate.
2461
2462 2004-05-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2463
2464         PR c++/14962
2465         * c-pragma.c (handle_pragma_redefine_extname): Only change
2466         the assembler name of FUNCTION_DECLs and VAR_DECLs.
2467
2468 2004-05-07  Uros Bizjak  <uros@kss-loka.si>
2469
2470         * optabs.h (enum optab_index): Add new OTI_log1p.
2471         (log1p_optab): Define corresponding macro.
2472         * optabs.c (init_optabs): Initialize log1p_optab.
2473         * genopinit.c (optabs): Implement log1p_optab using log1p?f2
2474         patterns.
2475         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG1P{,F,L}
2476         using log1p_optab.
2477         (expand_builtin): Expand BUILT_IN_LOG1P{,F,L} using
2478         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
2479
2480         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FYL2XP1.
2481
2482         * config/i386/i386.c (ix86_emit_i387_log1p): New function.
2483         * config/i386/i386-protos.h (ix86_emit_i387_log1p):
2484         Prototype here.
2485         * config/i386/i386.md (UNSPEC_FYL2XP1): New unspec to represent
2486         x87's fyl2xp1 instruction.
2487         (*fyl2x_xf3): Rename insn definition to fyl2x_xf3.
2488         (fyl2xp1_xf3): New pattern to implement fyl2xp1 x87 instruction.
2489         (log1psf2, log1pdf2, log1pxf2): New expanders to implement log1pf,
2490         log1p  and log1pl built-ins as inline x87 intrinsics.
2491
2492 2004-05-07  Loren James Rittle  <ljrittle@acm.org>
2493
2494         * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Proper redefinition.
2495         * config/arm/freebsd.h: Likewise.
2496         * config/ia64/freebsd.h: Likewise.
2497         * config/sparc/freebsd.h: Likewise.
2498
2499 2004-05-07  Hans-Peter Nilsson  <hp@axis.com>
2500
2501         PR optimization/15296
2502         * reorg.c (fill_simple_delay_slots): Use next_real_insn when
2503         getting last consecutive label at a branch.
2504         (relax_delay_slots): Similar, near top of loop.
2505
2506 2004-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2507
2508         PR target/15202
2509         * pa.md (movdi, movsi, movhi, movqi): Support move from shift amount
2510         register to general register.
2511
2512 2004-05-07  Alan Modra  <amodra@bigpond.net.au>
2513
2514         * config/rs6000/rs6000.h (STACK_BOUNDARY): Use 128 bit for either
2515         TARGET_ALTIVEC or TARGET_ALTIVEC_ABI.
2516         * config/rs6000/sysv4.h (ABI_STACK_BOUNDARY): Likewise.
2517         (STACK_BOUNDARY): Delete.
2518
2519 2004-05-06  Stuart Hastings  <stuart@apple.com>
2520
2521         * gcc/doc/invoke.texi: Restore -fgcse-after-reload doc from 1.421,
2522         mistakenly clobbered by 1.423.
2523
2524 2004-05-06  Richard Sandiford  <rsandifo@redhat.com>
2525
2526         * doc/invoke.texi: Document -mvr4130-align.
2527         * config/mips/mips.h (MASK_VR4130_ALIGN, TARGET_VR4130_ALIGN)
2528         (TUNE_MIPS4120, TUNE_MIPS4130): New macros.
2529         (TUNE_MACC_CHAINS): Include TUNE_MIPS4120 and TUNE_MIPS4130.
2530         (TARGET_SWITCHES): Add -mvr4130-align and -mno-vr4130-align.
2531         * config/mips/mips.md: Include sched-int.h.
2532         (USEFUL_INSN_P, SEQ_BEGIN, SEQ_END, FOR_EACH_SUBINSN): New macros.
2533         (mips_rtx_costs): Set integer multiplication costs for TUNE_MIPS4130.
2534         (override_options): Enable -mvr4130-align at -O3 and above.
2535         (mips_sim_insn): New variable.
2536         (mips_sim): New structure.
2537         (mips_sim_reset, mips_sim_init, mips_sim_next_cycle, mips_sim_wait_reg)
2538         (mips_sim_wait_regs_2, mips_sim_wait_regs_1, mips_sim_wait_regs)
2539         (mips_sim_wait_units, mips_sim_wait_insn, mips_sim_record_set)
2540         (mips_sim_issue_insn, mips_sim_issue_nop, mips_sim_finish_insn)
2541         (vr4130_avoid_branch_rt_conflict, vr4130_align_insns): New functions.
2542         (mips_reorg): Call vr4130_align_insns.
2543         (vr4130_last_insn): New variable.
2544         (vr4130_true_reg_dependence_p_1, vr4130_true_reg_dependence_p)
2545         (vr4130_swap_insns_p, vr4130_reorder): New functions.
2546         (mips_sched_reorder, mips_variable_issue): Hook in vr4130 code.
2547         (mips_issue_rate): Return 2 for PROCESSOR_R4130.
2548         (mips_use_dfa_pipeline_interface): Return true for the same.
2549         * config/mips/4130.md: New file.
2550         * config/mips/mips.md: Include it.  Add a peephole2 to convert
2551         "mult;mflo" into "mtlo;macc".
2552         (*macc, *umul_acc_di, *smul_acc_di): Use $1 rather than $0 as the
2553         target of maccs.
2554         (*msac_using_macc): New pattern.
2555
2556 2004-05-06  Richard Sandiford  <rsandifo@redhat.com>
2557
2558         * config/mips/5500.md (ir_vr55_store): Set latency to 0.
2559         (ir_vr55_hilo): Split into...
2560         (ir_vr55_mfhilo, ir_vr55_mthilo): ...these new reservations.
2561         (ir_vr55_imul_si, ir_vr55_imadd): Change latency to 5.
2562         (ir_vr55_imul_di): Change latency to 9.  Reserve vr55_mac for 4 cycles.
2563         Add various multiplication bypasses.
2564         * config/mips/mips.c (mips_rtx_costs): Adjust VR5500 costs for integer
2565         multiplication.
2566
2567 2004-05-06  Uros Bizjak  <uros@kss-loka.si>
2568
2569         * config/i386/i386.md (*fscalexf4): Correct insn "mode"
2570         attribute to "XF".
2571
2572 2004-05-05  Uros Bizjak  <uros@kss-loka.si>
2573
2574         * optabs.h (enum optab_index): Add new OTI_fmod and OTI_drem.
2575         (fmod_optab, drem_optab): Define corresponding macros.
2576         * optabs.c (init_optabs): Initialize fmod_optab and drem_optab.
2577         * genopinit.c (optabs): Implement fmod_optab and drem_optab
2578         using fmod?f3 and drem?f3 patterns.
2579         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_FMOD{,F,L}
2580         using fmod_optab and BUILT_IN_DREM{,F,L} using drem_optab.
2581         (expand_builtin): Expand BUILT_IN_FMOD{,F,L} and
2582         BUILT_IN_DREM{,F,L} using expand_builtin_mathfn_2 if
2583         flag_unsafe_math_optimizations is set.
2584
2585         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FPREM_F,
2586         UNSPEC_FPREM_U, UNSPEC_FPREM1_F and UNSPEC_FPREM1_U.
2587
2588         * config/i386/i386.c (ix86_emit_fp_unordered_jump): New function.
2589         * config/i386/i386-protos.h (ix86_emit_fp_unordered_jump):
2590         Prototype here.
2591         * config/i386/i386.md (UNSPEC_FPREM_F, UNSPEC_FPREM_U,
2592         UNSPEC_FPREM1_F, UNSPEC_FPREM1_U): New unspecs to represent x87's
2593         fprem and fprem1 instructions.
2594         (*x86_fnstsw_1): Change input parameter to (reg:CCFP 18).
2595         Rename insn definition to x86_fnstsw_1.
2596         (fpremxf4, fprem1xf4): New patterns to implement fprem and fprem1
2597         x87 instructions.
2598         (fmodsf3, fmoddf3, fmodxf3): New expanders to implement fmodf, fmod
2599         and fmodl built-ins as inline x87 intrinsics.
2600         (dremsf3, dremdf3, dremxf3): New expanders to implement dremf, drem
2601         and dreml built-ins as inline x87 intrinsics.
2602
2603 2004-05-05  Roger Sayle  <roger@eyesopen.com>
2604
2605         * reload1.c (inherit_piecemeal_p): Mark parameters potentially unused.
2606
2607 2004-05-05  Ian Lance Taylor  <ian@wasabisystems.com>
2608
2609         PR driver/9822
2610         * doc/invoke.texi (Spec Files): Remove documentation of %c.
2611
2612 2004-05-05  Chris Demetriou  <cgd@broadcom.com>
2613
2614         * config/mips/mips.md: Update the msub define_split for new mflo/mfhi
2615         representation.
2616
2617 2004-05-06  Paul Brook  <paul@codesourcery.com>
2618
2619         * config/arm/arm-protots.h (vfp_mem_operand): Rename ...
2620         (arm_coproc_mem_operand): ... To this.
2621         * config/arm/arm.c (arm_legitimate_address_p): Allow ldrd modes.
2622         (arm_legitimate_index_p): Ditto.
2623         (vfp_mem_operand): Rename ...
2624         (arm_coproc_mem_operand): ... To this.  Handle writeback modes.
2625         (vfp_secondary_reload_class): Use it.
2626         (output_move_double): Use doubleword load/store instructions.
2627         (arm_hard_regno_mode_ok): Only allow even reg pairs for ldrd.
2628         * config/arm/arm.h (TARGET_LDRD): Define.
2629         (EXTRA_CONSTRAINT_STR_ARM): Add 'Uy'.
2630         * config/gcc/arm/arm.md (arm_movdi): Allow all valid memory operands.
2631         New splitter for invalid doubleword loads.
2632         * config/arm/iwmmxt.md (iwmmxt_arm_movdi): Use Uy constraint.
2633         * config/arm/vfp.md (arm_movdi_vfp): Allow all valid memory operands.
2634         * doc/md.texi: Document Uy constraint.
2635
2636 2004-05-05  Jan Hubicka  <jh@suse.cz>
2637
2638         PR opt/14980
2639         * cgraphunit.c (cgraph_remove_unreachable_nodes): Deal properly with
2640         inline clones.
2641
2642 2004-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2643
2644         PR target/15290
2645         * config/i386/i386.c (ix86_split_to_parts): Use real_to_target
2646         instead of REAL_VALUE_TO_TARGET_LONG_DOUBLE.
2647
2648 2004-05-05  Mike Stump  <mrs@apple.com>
2649
2650         * config/darwin-c.c (add_framework): Copy the directory name as it
2651         can be freed later.  Also, ensure we always allocate enough room
2652         for the cached framework information.
2653         (find_subframework_header): Keep track of the directory where the
2654         subframework header was found.
2655         (framework_construct_pathname): Speed up by not trying to re-add a
2656         framework.
2657         * cppfiles.c (search_path_exhausted): Arrange for the missing
2658         header callback to be able to set the directory where the header
2659         was found.
2660         (cpp_get_dir): Add.
2661         * cpplib.h (missing_header_cb): Add a parameter.
2662         (cpp_get_dir): Add.
2663
2664 2004-05-03  Mike Stump  <mrs@apple.com>
2665
2666         * doc/invoke.texi (Directory Options): Document -iquote.
2667         * doc/cpp.texi: Likewise.
2668         * doc/cppopts.texi: Likewise.
2669         * c-opts.c (c_common_missing_argument): Add -iquote processing.
2670         (c_common_handle_option): Likewise.
2671         * c.opt (iquote): Add.
2672         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -iquote.
2673         * c-incpath.c (merge_include_chains): Update comment to use -iquote.
2674
2675         * c-opts.c (case OPT_I): Deprecate -I- support.
2676         * doc/invoke.texi: Likewise.
2677         * doc/cpp.texi: Likewise.
2678         * doc/cppopts.texi: Likewise.
2679
2680 2004-05-05  Steven Bosscher  <stevenb@suse.de>
2681
2682         * basic-block.h (free_basic_block_vars): Update prototype.
2683         * flow.c (free_basic_block_vars): Remove the keep_head_end_p
2684         argument.
2685         (life_analysis): Update call.
2686         * ifcvt.c (if_convert): Likewise.
2687         * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2688         * passes.c (rest_of_handle_final): Likewise.
2689         (rest_of_compilation): Likewise.
2690         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2691
2692         * emit-rtl.c (next_real_insn): Use INSN_P.
2693         (prev_real_insn): Likewise.
2694
2695 2004-05-05  Eric Christopher  <echristo@redhat.com>
2696
2697         * config/mips/mips.md: Update the madd define_split for new mflo/mfhi
2698         representation.
2699
2700 2004-05-05  Paolo Bonzini  <bonzini@gnu.org>
2701
2702         * config/rs6000/rs6000.c (build_opaque_vector_type):
2703         New function.
2704         (rs6000_init_builtins): Use it.
2705
2706 2004-05-04  Bernard Giroud  <bgiroud2@free.fr>
2707
2708         * gcc/gcc/vmsdbgout.c (vms_func_node, vms_func_ref): New.
2709         (func_table): Change type from char ** to vms_func_ref.
2710         (write_rtnbeg):  Update to reflect func_table change.  Use
2711         fde->funcdef_number instead of rtnnum in output.
2712         (write_rtnend, vmxdbgout_begin_function, vmsdbgout_init): Likewise.
2713
2714 2004-05-04  Paolo Bonzini  <bonzini@gnu.org>
2715             Richard Henderson  <rth@redhat.com>
2716
2717         PR target/14899
2718
2719         * c-common.c (vector_types_convertible_p): New function.
2720         * c-typeck.c (comptypes): Recurse on vector types.
2721         (convert_for_assignment): Use vector_types_convertible_p.
2722         (digest_init): Use vector_types_convertible_p to check
2723         validness of constant vector initializers; otherwise treat
2724         them as scalars.
2725         * tree.c (make_or_reuse_type): New.
2726         (build_common_tree_nodes): Use it.
2727         * cp/call.c (standard_conversion): Likewise.
2728         * cp/typeck.c (comptypes): Recurse on vector types.
2729         (convert_for_assignment): Use vector_types_convertible_p.
2730
2731 2004-05-04  Chris Demetriou  <cgd@broadcom.com>
2732
2733         * config/mips/mips.c (override_options): Default to no
2734         generation of branch-likely operations when tuning for
2735         CPUs where they tend to have a negative performance impact
2736         (e.g., SB-1).
2737
2738 2004-05-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2739
2740         * expr.c (store_constructor_field): Don't call store_constructor
2741         if bitsize is not a multiple of a byte.
2742
2743 2004-05-04  Richard Sandiford  <rsandifo@redhat.com>
2744
2745         * reload1.c (inherit_piecemeal_p): New function.
2746         (emit_reload_insns): When reloading a group of hard registers, use
2747         inherit_piecemeal_p to decide whether the values of individual hard
2748         registers can be inherited.
2749
2750 2004-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2751
2752         * config/ia64/t-ia64 (LIB2ADDEH): Remove gthr-gnat.c.
2753         * config/s390/t-tpf (LIB2ADDEHDEP): Likewise.
2754         * config/t-linux (LIB2ADDEHDEP): Likewise.
2755
2756 2004-05-04  Paul Brook  <paul@codesourcery.com>
2757
2758         * config/arm/crti.asm: Push an even number of registers.
2759         * config/arm/crtn.asm: And restore them.  Load via sp.
2760
2761 2004-05-04  Paolo Bonzini  <bonzini@gnu.org>
2762
2763         * ggc-zone.c (ggc_alloc_zone_1): Add MEM_STAT_DECL parameter.
2764         Collect overhead information.
2765         (ggc_alloc_stat): New name of ggc_alloc.  Add MEM_STAT_DECL
2766         parameter and pass it through.
2767         (ggc_alloc_typed_stat): New name of ggc_alloc_typed.  Add
2768         MEM_STAT_DECL parameter and pass it through.
2769         (ggc_alloc_zone_stat): New name of ggc_alloc_zone.  Add
2770         MEM_STAT_DECL parameter and pass it through.
2771
2772 2004-05-03  Aldy Hernandez  <aldyh@redhat.com>
2773
2774         * config/rs6000/rs6000-protos.h: Protoize rs6000_hard_regno_nregs.
2775
2776         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): New.
2777
2778         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Call
2779         rs6000_hard_regno_nregs.
2780
2781 2004-05-03  Eric Christopher  <echristo@redhat.com>
2782
2783         * config/s390/s390.c (s390_emit_prologue): Call unspec tpf
2784         prologue insn instead of setting up call.
2785         (s390_emit_epilogue): Ditto.
2786         * config/s390/s390.md (prologue_tpf, epilogue_tpf): New patterns.
2787         (define_constants): Add numbers for above patterns.
2788
2789 2004-05-03  Eric Christopher  <echristo@redhat.com>
2790
2791         * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Move body...
2792         * config/s390/s390.c (s390_conditional_register_usage): ...here.
2793         * config/s390/s390-protos.h: Prototype.
2794
2795 2004-05-03  Joe Buck <jbuck@welsh-buck.org>
2796
2797         * cppfiles.c (pchf_adder): Eliminate use of |= in d->have_once_only
2798         assignment.
2799
2800 2004-05-03  Eric Christopher  <echristo@redhat.com>
2801
2802         * config/mips/mips.md: Fix branch length attribute definition.
2803
2804 2004-05-03  Aldy Hernandez  <aldyh@redhat.com>
2805
2806         * config.gcc: Remove --enable-altivec support.
2807
2808         * config/rs6000/altivec-defs.h: Remove.
2809
2810 2004-05-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2811
2812         * fixinc/inclhack.def (svr4_profil): Don't apply on IRIX 5/6.
2813         * fixinc/fixincl.x: Regenerate.
2814
2815 2004-05-03  Uros Bizjak  <uros@kss-loka.si>
2816
2817         * config/i386/i386.md (*fyl2x_sfxf3, *fyl2x_dfxf3): Remove insn
2818         definition.
2819         (log?f2, log10?f2, log2?f2): Reimplement expanders with
2820         float_truncate insn.
2821         (*fxtractsf3, *fxtractdf3): Remove insn definition.
2822         (logb?f2): Reimplement expanders with float_truncate insn.
2823
2824 2004-05-03  Graham Stott  <graham.stott@btinternet.com>
2825
2826         PR 14718
2827         * dwarf2out.c (dwarf2out_imported_module_or_decl): Use
2828         force_type_die for CONST_DECL.
2829
2830 2004-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
2831             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2832
2833         * config.gcc (sparc64-*-solaris2*, sparcv9-*-solaris2*): Add
2834         tm-dwarf2.h to tm_file.
2835         (sparc-*-solaris2*): Add tm-dwarf2.h to tm_file for Solaris 7+.
2836         * config/sparc/sol2-bi.h (PREFERRED_DEBUGGING_TYPE): Delete.
2837         (ASM_DEBUG_SPEC): Delete.
2838
2839 2004-05-03  Uros Bizjak  <uros@kss-loka.si>
2840
2841         * optabs.h (enum optab_index): Add new OTI_expm1.
2842         (expm1_optab): Define corresponding macro.
2843         * optabs.c (init_optabs): Initialize expm1_optab.
2844         * genopinit.c (optabs): Implement expm1_optab using expm1?f2
2845         patterns.
2846         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXPM1{,F,L}
2847         using expm1_optab.
2848         (expand_builtin): Expand BUILT_IN_EXPM1{,F,L} using
2849         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
2850
2851         * config/i386/i386.md (expm1df2, expm1sf2, expm1xf2): New expanders
2852         to implement expm1, expm1f and expm1l built-ins as inline x87
2853         intrinsics.
2854
2855 2004-05-02  Alexandre Oliva  <aoliva@redhat.com>
2856
2857         2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
2858         * config/frv/frv.md (*return_true, *return_false): New patterns.
2859
2860 2004-05-02  Kazu Hirata  <kazu@cs.umass.edu>
2861
2862         * rtl.h (PHI_NODE_P): Remove.
2863
2864 2004-05-02  Eric Botcazou  <ebotcazou@act-europe.fr>
2865
2866         PR middle-end/14988
2867         * function.c (assign_stack_local_1): Use BITS_PER_UNIT alignment
2868         when passed -2 as 'align'.
2869         (put_var_into_stack): Use 'bool' as the type for the three local
2870         predicates.  Adjust calls to put_reg_into_stack.
2871         When passed a CONCAT, instruct put_reg_into_stack to use
2872         a consecutive stack slot for the second part.
2873         (put_reg_into_stack): Remove 'promoted_mode' parameter, add
2874         'consecutive_p' parameter.  Turn the three predicates into 'bool'
2875         parameters.  Retrieve the register mode from 'reg'.
2876         When consecutive_p is true, instruct assign_stack_local_1 to use
2877         BITS_PER_UNIT alignment.
2878         (put_addressof_into_stack): Use 'bool' as the type for the two
2879         local predicates. Adjust call to put_reg_into_stack.
2880
2881 2004-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2882
2883         * fold-const.c (fold_convert_const, fold): Add missing
2884         FIX_ROUND_EXPR case.
2885
2886 2004-05-02  Alexandre Oliva  <aoliva@redhat.com>
2887
2888         * configure.ac (FLEX, BISON): Only use tools from the build tree
2889         if build equals host.
2890         * configure: Rebuilt.
2891
2892         * config/frv/frv-protos.h (frv_expand_epilogue,
2893         frv_expand_fdpic_call): Add bool argument.
2894         * config/frv/frv.c (frv_function_ok_for_sibcall): New.
2895         (TARGET_FUNCTION_OK_FOR_SIBCALL): Define to it.
2896         (frv_expand_epilogue): Use new argument to decide whether to emit
2897         return instruction or copy the return address to LR.
2898         (frv_expand_fdpic_call): Inline PLT entry when emitting direct
2899         sibcalls.
2900         (sibcall_operand): New.
2901         * config/frv/frv.h (PREDICATE_CODES): call_operand doesn't match
2902         PLUS nor LABEL_REF.  Add sibcall_operand.
2903         * config/frv/frv.md (call, call_value): Pass false to
2904         frv_expand_fdpic_call.
2905         (call_fdpicdi, call_value_fdpicdi): Insert %i0 in calll.
2906         (sibcall, sibcall_internal, sibcall_fdpicdi, sibcall_value,
2907         sibcall_value_internal, sibcall_value_fdpicdi): New.
2908         (return_unsigned_true, return_unsigned_false): New.
2909         (epilogue): Adjust call to frv_expand_epilogue.
2910         (sibcall_epilogue): New.
2911
2912         * config/frv/frv.h (ASM_SPEC): Pass -mno-fdpic as -mnopic.
2913         (CPP_SPEC, CPP_SIMPLE_SPEC): Undefine __FRV_ACC__ and __FRV_FPR__
2914         before redefining them.
2915
2916 2004-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2917
2918         * builtins.c (fold_fixed_mathfn): New function.
2919         (fold_builtin_lround, fold_builtin): Use it.
2920
2921 2004-05-01  Jakub Jelinek  <jakub@redhat.com>
2922
2923         * config/sparc/linux64.h (TARGET_DEFAULT): Make 64-bit by default
2924         also for TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3.
2925
2926 2004-05-01  Kazu Hirata  <kazu@cs.umass.edu>
2927
2928         * config/cris/cris.h: Revert my "fix comment typos" patch.
2929
2930 2004-05-01  Richard Sandiford  <rsandifo@redhat.com>
2931
2932         * config/mips/mips.h (TUNE_MACC_CHAINS): Fix comment.
2933
2934 2004-05-01  Falk Hueffner  <falk@debian.org>
2935
2936         * config/alpha/alpha.md (builtin_insbl, builtin_inswl,
2937         builtin_insll): Disallow 0 as first input operand.
2938
2939 2004-05-01  Falk Hueffner  <falk@debian.org>
2940
2941         * config/alpha/alpha.c (alpha_rtx_costs): Fix shiftadd costs.
2942
2943 2004-05-01  Ulrich Weigand  <uweigand@de.ibm.com>
2944
2945         PR middle-end/15054
2946         * expr.c (expand_expr_real): Do not call preserve_temp_slots
2947         on a TARGET_EXPR temp.
2948         * function.c (assign_stack_temp_for_type): Set 'keep' flag for
2949         TARGET_EXPR temp slots.
2950
2951 2004-05-01  Paolo Bonzini  <bonzini@gnu.org>
2952
2953         * simplify-rtx.c (simplify_ternary_operation): When
2954         converting an IF_THEN_ELSE to a relational op, return
2955         correct mode.
2956
2957 2004-04-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2958
2959         * builtins.c (fold_builtin_round): Fix comment typo.
2960         (fold_builtin_lround): New function.
2961         (fold_builtin): Use it.
2962
2963 2004-04-20  Andrew Pinski  <pinskia@physics.uc.edu>
2964
2965         PR target/11608
2966         * config/sh/elf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Update and make it
2967         more like the one in config/dbxelf.h.
2968
2969 2004-04-30  Zack Weinberg  <zack@codesourcery.com>
2970
2971         * tree.h (SET_ARRAY_OR_VECTOR_CHECK): Rename to SET_OR_ARRAY_CHECK
2972         and adjust definition accordingly.
2973         (TYPE_DOMAIN): Allow only SET_TYPE and ARRAY_TYPE.
2974         (TYPE_DEBUG_REPRESENTATION_TYPE): Allow only VECTOR_TYPE.
2975         * expr.c (store_constructor): Do not access TYPE_DOMAIN of a
2976         VECTOR_TYPE.
2977
2978 2004-04-30  Jason Merrill  <jason@redhat.com>
2979
2980         PR c++/14587
2981         * config/i386/winnt.c (associated_type): Look for attributes on
2982         the TYPE_MAIN_VARIANT of *this.
2983         * attribs.c (decl_attributes): If ATTR_FLAG_TYPE_IN_PLACE, also
2984         apply the attributes to the variants.
2985
2986 2004-04-30  Paul Brook  <paul@codesourcery.com>
2987
2988         * config.gcc: Simplify arm --with-{cpu,tune} test.
2989         * config/arm/arm-cores.def: Document whitespace restrictions.
2990
2991 2004-04-30  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2992
2993         PR other/1963
2994         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Define.
2995
2996 2004-04-30  Brian Ford  <ford@vss.fsi.com>
2997             DJ Delorie  <dj@redhat.com>
2998
2999         * config/i386/cygming.h [HAVE_GAS_PE_SECREL32_RELOC]
3000         (DWARF2_DEBUGGING_INFO): Define to enable.
3001         (DBX_REGISTER_NUMBER): Define to use the svr4 register map for
3002         DWARF2.
3003         * configure.ac (Target-specific assembler checks)
3004         <i[34567]86-*-[cygwin*|pe|mingw32*]>: New test for .secrel32
3005         relocs.
3006         * configure: Regenerate.
3007         * config.in: Likewise.
3008
3009         * config/i386/cygming.h [HAVE_GAS_PE_SECREL32_RELOC]
3010         (ASM_OUPUT_DWARF_OFFSET): Define.
3011
3012 2004-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3013
3014         * config/s390/s390-protos.h (s390_emit_epilogue): Parameter added.
3015         (s390_emit_call): New function prototype added.
3016         (s390_tls_get_offset): Function removed.
3017         * config/s390/s390.c (s390_function_ok_for_sibcall,
3018         s390_call_saved_register_used_p): New functions.
3019         (TARGET_FUNCTION_OK_FOR_SIBCALL): Definition of target macro added.
3020         (s390_tls_get_offset): Function merged into s390_emit_tls_call_insn.
3021         (s390_emit_tls_call_insn): New function.
3022         (legitimize_tls_address): Call s390_emit_tls_call_insn instead of
3023         emit_call_insn.
3024         (s390_emit_prologue): Use s390_emit_call instead of emit_call_insn.
3025         (s390_emit_epilogue): Like s390_emit_prologue. Parameter for sibcalls
3026         added.
3027         * config/s390/s390.h (SIBCALL_REGNUM): New macro representing the
3028         register number used to hold the target address for sibcalls.
3029         * config/s390/s390.md ("sibcall", "sibcall_value", "sibcall_epilogue"):
3030         New expanders.
3031         ("*sibcall_br", "*sibcall_brc", "*sibcall_brcl", "*sibcall_value_br",
3032         "*sibcall_value_brc", "*sibcall_value_brcl"): New insns.
3033         ("call_exp", "call_value_exp", "call_value_tls", "call_value_tls_exp"):
3034         Expanders removed.
3035         ("call", "call_value"): Call s390_emit_call to emit the call patterns.
3036         ("*bras", "*brasl", "*bras_r", "*brasl_r", "*bras_tls", "*brasl_tls",
3037         "*basr", "*basr_r", "*basr_tls"): Added constraint: !SIBLING_CALL_P.
3038         ("epilogue"): Changed the call to s390_emit_epilogue to use the
3039         new parameter.
3040
3041 2004-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3042
3043         * bb-reorder.c, c-opts.c, cfglayout.c, cgraph.c, cgraphunit.c,
3044         cppfiles.c, fold-const.c, ggc-zone.c, loop-doloop.c, optabs.c,
3045         reg-stack.c, varasm.c, config/alpha/ev4.md,
3046         config/alpha/ev5.md, config/alpha/ev6.md, config/arm/arm.c,
3047         config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.c,
3048         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
3049         config/frv/frv.h, config/frv/frv.md, config/h8300/h8300.c,
3050         config/i386/i386.c, config/i386/i386.md, config/i386/winnt.c,
3051         config/ia64/itanium2.md, config/ip2k/ip2k.c,
3052         config/mips/mips.c, config/mips/mips.h, config/mips/sr71k.md,
3053         config/pa/pa.c, config/s390/s390.c, config/sh/sh.c: Fix
3054         comment typos.
3055
3056 2004-04-30  Paul Brook  <paul@codesourcery.com>
3057
3058         * config.gcc: Default ep9312 to hard-float.
3059         * config/arm/arm-cores.def: Add ARCH field.
3060         * config/arm/arm.c (FL_FOR_ARCH*): Define.
3061         (arm_arch_cirrus): New variable.
3062         (all_cores): Set and use arch.
3063         (all_architectures): Ditto.
3064         (arm_arch_name): New variable.
3065         (arm_override_options): Set it. Use [SUB]TARGET_CPU_DEFAULT.
3066         Set and use arm_arch_cirrus.
3067         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Set arch defines.
3068         (enum processor_type): Update ARM_CORE define.
3069         (enum target_cpus): Add.  Replaces TARGET_CPU_* defines.
3070         (CPP_SPEC): Remove %(cpp_cpu_arch).
3071         (CPP_ARCH_DEFAULT_SPEC): Remove.
3072         (CPP_CPU_ARCH_SPEC): Remove.
3073         (EXTRA_SPECS): Don't use CPP_*ARCH*_SPEC.
3074         (FPUTYPE_DEFAULT): Don't define here.
3075
3076 2004-04-30  J"orn Rennecke <joern.rennecke@superh.com>
3077
3078         * flow.c (propagate_one_insn): Call mark_set_regs for stack pointer
3079         updates too.
3080
3081 2004-04-30  Paul Brook  <paul@codesourcery.com>
3082
3083         * arm.c (arm_needs_doubleword_align): Use mode alignment.
3084
3085 2004-04-30  Paolo Bonzini  <bonzini@gnu.org>
3086
3087         * config/altivec/altivec.h [__cplusplus] (vec_subsubs): Rename to
3088         vec_sububs.
3089         [__cplusplus] (vec_subsuhs): Rename to vec_subuhs, without
3090         duplicates.
3091
3092 2004-04-30  Uros Bizjak  <uros@kss-loka.si>
3093
3094         * config/i386/i386.md (atansf2, atandf2, atanxf2): Move near
3095         atan2?f3 expanders.
3096
3097 2004-04-29  Nick Clifton  <nickc@redhat.com>
3098
3099         Bug 14093
3100         * config/sh/sh-protos.h (sh_promote_prototypes): Declare.
3101         * config/sh/sh.c (sh_promote_prototypes): Remove declaration.
3102         Delete static from definition.
3103         * config/sh/sh.h (FUNCTION_VALUE): Add sh_promote_prototypes call.
3104
3105 2004-04-30  Uros Bizjak  <uros@kss-loka.si>
3106
3107         * reg-stack.c (subst_stack_regs_pat): <UNSPEC_SIN, UNSPEC_COS,
3108         UNSPEC_FRNDINT, UNSPEC_F2XM1>: abort() if src1 dies.
3109         <UNSPEC_SINCOS_COS, UNSPEC_TAN_ONE, UNSPEC_XTRACT_FRACT>: Same.
3110         <UNSPEC_SINCOS_SIN, UNSPEC_TAN_TAN, UNSPEC_XTRACT_EXP>: Same.
3111
3112 2004-04-29  Richard Guenther  <richard.guenther@uni-tuebingen.de>
3113
3114         * commom.opt (Wfatal-errors): Add it.
3115         * diagnostic.c (flag_fatal_errors): Define it.
3116         (diagnostic_action_after_output): Check for flag_fatal_errors.
3117         * flags.h (flag_fatal_errors): Declare it.
3118         * opts.c (common_handle_option): Add OPT_Wfatal_errors.
3119         * doc/invoke.texi (Warning Options): Document -Wfatal-errors.
3120
3121 2004-04-30  Josef Zlomek  <zlomekj@suse.cz>
3122
3123         * gcse.c (remove_reachable_equiv_notes): Delete notes also in
3124         blocks which have kill flag set.
3125
3126 2004-04-29  Ben Elliston  <bje@au.ibm.com>
3127
3128         * configure.ac (--with-as): Abort if user-supplied assembler
3129         cannot be executed.
3130         (--with-ld): Likewise for the linker.
3131         * configure: Regenerate.
3132
3133 2004-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3134
3135         * convert.c (convert_to_integer): Ensure `long_integer_type_node'
3136         isn't NULL before using it.
3137
3138 2004-04-29  Richard Sandiford  <rsandifo@redhat.com>
3139
3140         PR target/15189
3141         * config/mips/mips.md (load_df_low): Use default length.
3142         (load_df_high, store_df_high): Likewise.
3143
3144 2004-04-29  Kazu Hirata  <kazu@cs.umass.edu>
3145
3146         * config/mips/mips.md, config/mips/sb1.md,
3147         config/rs6000/rs6000.c: Fix comment typos.
3148
3149 2004-04-29  Kazu Hirata  <kazu@cs.umass.edu>
3150
3151         * builtins.c, cgraph.c, cgraphunit.c, final.c, fold-const.c:
3152         Fix comment typos.
3153
3154 2004-04-29  Douglas B Rupp  <rupp@gnat.com>
3155
3156         * gcc.c (DELETE_IF_ORDINARY): New macro default definition.
3157         (delete_if_ordinary): Use above macro.
3158         * config/alpha/xm-vms.h (DELETE_IF_ORDINARY): New macro VMS definition.
3159         Update copyright.
3160         * doc/hostconfig.texi (DELETE_IF_ORDINARY): Document new macro.
3161
3162 2004-04-29  Richard Earnshaw  <rearnsha@arm.com>
3163
3164         * c-decl.c (get_parm_info): Use the correct tag keywords when
3165         warning about type declarations in prototypes.
3166
3167 2004-04-29  Paul Brook  <paul@codesourcery.com>
3168
3169         * config.gcc: Pull list of cores from arm-cores.def.
3170
3171 2004-04-29  Paolo Bonzini  <bonzini@gnu.org>
3172
3173         * combine.c (combine_simplify_rtx): Adjust call to use
3174         simplify_relational_operation.  Do not use SELECT_CC_MODE
3175         when a comparison already has a MODE_CC mode.
3176
3177 2004-04-29  Paolo Bonzini  <bonzini@gnu.org>
3178
3179         (simplify_set): simplify_relational_operation may now
3180         return another relational expression.
3181         * cse.c (fold_rtx): simplify_relational_operation now
3182         takes of computing the comparison mode.
3183         * dojump.c (compare_from_rtx): Use simplify_relational_operation,
3184         remove dead code.
3185         (do_compare_rtx_and_jump): Likewise.
3186         * integrate.c (subst_constants): simplify_relational_operation
3187         may now return another relational expression.
3188         * simplify-rtx.c (simplify_gen_relational): Move most code to
3189         the new simplify_relational_operation and
3190         simplify_relational_operation_1 functions.
3191         (simplify_relational_operation): Rewritten.
3192         (simplify_relational_operation_1): New function.
3193         (simplify_ternary_operation): simplify_relational_operation
3194         may now return another relational expression.
3195         (simplify_rtx): Remove unnecessary temp variable.
3196
3197 2004-04-29  Uros Bizjak  <uros@kss-loka.si>
3198
3199         * reg-stack.c (swap_to_top): New function.
3200         (subst_stack_regs_pat): UNSPEC_FPATAN, UNSPEC_FYL2X: Use
3201         swap_to_top().
3202         (subst_stack_regs_pat): UNSPEC_FSCALE: Remove.
3203         (subst_stack_regs_pat): Handle UNSPEC_FSCALE_FRACT and
3204         UNSPEC_FSCALE_EXP.
3205
3206         * config/i386/i386.md (UNSPEC_FSCALE): Remove.
3207         (*fscale_sfxf3, *fscale_dfxf3, *fscale_xf3): Remove insn pattern.
3208         (UNSPEC_FSCALE_FRACT, UNSPEC_FSCALE_EXP): New unspecs to represent
3209         x87's fscale insn.
3210         (*fscalexf4: Define new insn pattern to implement x87 fscale insn.
3211         (exp?f2, exp10?f2, exp2?f2): Use *fscalexf4 and float_truncate
3212         patterns.
3213
3214 2004-04-28  Serge Belyshev  <1319@bot.ru>
3215
3216         PR 14944
3217         * coverage.c (read_counts_file): Fix usage of warning () call.
3218         * pretty-print.c (pp_base_format_text): Fix typo in the comment.
3219
3220 2004-04-28  Ben Elliston  <bje@au.ibm.com>
3221
3222         * doc/invoke.texi (Objective-C Dialect Options): Don't prefix
3223         options with "-" in the option index.
3224         (SPARC Options): Likewise.
3225         (M32R/D Options): Likewise.
3226
3227 2004-04-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3228
3229         * convert.c (convert_to_integer): Convert (long)round -> lround,
3230         etc.
3231
3232 2004-04-28  Andrew Pinski  <pinskia@physics.uc.edu>
3233
3234         * config/rs6000/rs6000.c (registers_ok_for_quad_peep):
3235         Return false if we do not have fp register.
3236         (addrs_ok_for_quad_peep): Rename to ...
3237         (mems_ok_for_quad_peep): this.
3238         Add check for volatile memory.
3239         * config/rs6000/rs6000-protos.h (addrs_ok_for_quad_peep):
3240         Rename to ...
3241         (mems_ok_for_quad_peep): this.
3242         * config/rs6000/rs6000.md: Change peephole's for lfq/stq
3243         to peephole2's.
3244         (lfq_power2): New instruction.
3245         (stfq_power2): Likewise.
3246
3247 2004-04-28  Jan Hubicka  <jh@suse.cz>
3248
3249         PR c/15004
3250         * function.c (do_warn_unused_parameter): Break out form ...
3251         (expand_function_end): ... here; warn only when not using cgraphunit.
3252         * function.h (do_warn_unused_parameter): Declare.
3253         * cgraphunit.c: Include function.h.
3254         (cgraph_finalize_function): Do unused parameter warning.
3255         * Makefile.in (cgraphunit.o): Depend on function.h
3256
3257 2004-04-28  Joseph S. Myers  <jsm@polyomino.org.uk>
3258
3259         * Makefile.in ($(DESTDIR)$(infodir)/%.info): Don't condition
3260         calling install-info on $(DESTDIR)$(infodir)/dir already being
3261         present.
3262
3263 2004-04-28  Paul Brook  <paul@codesourcery.com>
3264
3265         * dwarf2out.c (mem_loc_descriptor): Handle shifts.
3266
3267 2004-04-28  Ulrich Weigand  <uweigand@de.ibm.com>
3268
3269         * gcse.c (find_moveable_store): Do not accept store insns with
3270         REG_EH_REGION note.
3271
3272 2004-04-28  Paul Brook  <paul@codesourcery.com>
3273
3274         * calls.c (precompute_arguments): Remove PROMOTE_FOR_CALL_ONLY.
3275         * function.c (assign_temp): Ditto.
3276         * system.h (PROMOTE_FOR_CALL_ONLY): Poison.
3277
3278 2004-04-28  Paul Brook  <paul@codesourcery.com>
3279
3280         * config/arm/lib1funcs.asm: Recognize armv5tej and armv6.
3281
3282 2004-04-28  Josef Zlomek  <zlomekj@suse.cz>
3283
3284         * var-tracking.c (variable_different_p): Add a parameter
3285         compare_current_location, compare current location of variable parts
3286         if it is true.
3287         (dataflow_set_different_1): Pass compare_current_location == false.
3288         (dataflow_set_different_2): Pass compare_current_location == false.
3289         (emit_notes_for_differences_1): Pass compare_current_location == true.
3290
3291 2004-04-28  Ulrich Weigand  <uweigand@de.ibm.com>
3292
3293         * config/s390/s390.md ("casesi"): Mark jump table access as
3294         non-trapping and unchanging.
3295
3296 2004-04-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3297
3298         PR debug/14829
3299         * dwarf2out.c (reg_number): Rename to dbx_reg_number.  Adjust all
3300         callers.
3301         (multiple_reg_loc_descriptor, reg_loc_descriptor): Use gcc register
3302         number for indexing hard_regno_nregs array.
3303
3304 2004-04-27  Geoffrey Keating  <geoffk@apple.com>
3305
3306         * config/darwin.h (STARTFILE_SPEC): Use %s to find crt2.o.
3307         * config/darwin-crt2.c: Only have contents on __ppc__.
3308
3309 2004-04-27  Bob Wilson  <bob.wilson@acm.org>
3310
3311         * config/xtensa/xtensa.c (call_insn_operand): Check
3312         SYMBOL_REF_EXTERNAL_P in addition to SYMBOL_REF_LOCAL_P.
3313         * config/xtensa/xtensa.h (LEGITIMATE_PIC_OPERAND): Likewise.
3314         * config/xtensa/xtensa.md (call, call_value): Likewise.
3315
3316 2004-04-27  Wu Yongwei  <adah@sh163.net>
3317
3318         * gthr-win32.h (__gthread_mutex_t): Change typedef to new structure.
3319         (__GTHREAD_MUTEX_INIT_DEFAULT): Adjust.
3320         (__gthread_mutex_init_function): Replace CreateMutex with
3321         initialization of custom mutex using CreateSemaphore.
3322         (__gthread_mutex_lock): Use InterlockedIncrement.
3323         (__gthread_mutex_trylock): Use InterlockedCompareExchange.
3324         (__gthread_mutex_unlock): Use InterlockedDecrement and
3325         ReleaseSemaphore to unlock
3326         * config/i386/gthr-win32.c (__gthread_mutex_init_function,
3327         __gthread_mutex_lock, __gthread_mutex_trylock,
3328         __gthread_mutex_unlock): Adjust to match inline versions in
3329         gthr-win32.h.
3330
3331 2004-04-27  Paul Brook  <paul@codesourcery.com>
3332
3333         * config/arm/arm.c (arm_promote_prototypes): New function.
3334         (TARGET_PROMOTE_PROTOTYPES): Use it.
3335
3336 2004-04-27  Paul Brook  <paul@codesourcery.com>
3337
3338         * config/arm/arm.c (arm_expand_epilogue): Count blocks of 4 regs.
3339
3340 2004-04-26  Bernard Giroud  <bgiroud@free.fr>
3341
3342         * config/alpha.c (alpha_end_function): For OpenVMS gas,
3343         correctly output .pdesc directive before .end.
3344
3345 2004-04-26  James E Wilson  <wilson@specifixinc.com>
3346
3347         Bug 14927
3348         * config/ia64/ia64.md (movxf): New local op0.  Handle case where
3349         operands[0] is a SUBREG.  Handle case where operands[1] is a GR reg.
3350
3351 2004-04-26  Zack Weinberg  <zack@codesourcery.com>
3352
3353         * config/ia64/hpux.h: Predefine __STDCPP__ when compiling C++.
3354         * config/pa/pa-hpux10.h: Likewise.
3355         * config/pa/pa-hpux11.h: Likewise.
3356
3357 2004-04-26  Geoffrey Keating  <geoffk@apple.com>
3358
3359         * doc/invoke.texi (Overall Options): Document default for -o
3360         for PCH files.
3361
3362 2004-04-26  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3363
3364         * builtins.c (expand_builtin_update_setjmp_buf): New function.
3365         (expand_builtin, case BUILT_IN_UPDATE_SETJMP_BUF): New case.
3366         * builtins.def (BUILT_IN_UPDATE_SETJMP_BUF): New code.
3367
3368 2004-04-26  Paul Brook  <paul@codesourcery.com>
3369
3370         * config/arm/arm.c (arm_legitimate_index_p): Correct iwmmxt offsets.
3371
3372 2004-04-26  Paul Brook  <paul@codesourcery.com>
3373
3374         * config/arm/arm.c (arm_legitimate_index_p): Correct maverick offsets.
3375
3376 2004-04-25  Roger Sayle  <roger@eyesopen.com>
3377
3378         * fold-const.c (fold): Prefer fold_convert (negate_expr (...)) to
3379         fold (build1 (NEGATE_EXPR, ...)).  Optimize X / -1 as -X and
3380         X % -1 as 0.
3381
3382 2004-04-26  Hans-Peter Nilsson  <hp@bitrange.com>
3383
3384         PR bootstrap/15141
3385         * except.c (connect_post_landing_pads): Delete insns after the
3386         barrier when generating a unwind_resume_libfunc call.
3387
3388 2004-04-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3389
3390         PR/c++ 15119
3391         * tree.c (substitute_placeholder_in_expr, case 4): New case,
3392         for TARGET_EXPR.
3393
3394 2004-04-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3395
3396         * gcov-io.h (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
3397         __gcov_execv, __gcov_execvp, __gcov_execve): Do not declare when
3398         inhibit_libc is defined.
3399
3400 2004-04-25  Richard Sandiford  <rsandifo@redhat.com>
3401
3402         * config/mips/mips-protos.h (mips_linked_macc_p): Declare.
3403         * config/mips/mips.h (TUNE_MACC_CHAINS): New macro.
3404         * config/mips/mips.c (TARGET_SCHED_REORDER): Define.
3405         (TARGET_SCHED_VARIABLE_ISSUE): Define.
3406         (mips_adjust_cost): Move later in file, next to other sched hooks.
3407         (mips_macc_chains_last_hilo): New variable.
3408         (mips_linked_madd_p, mips_macc_chains_record, mips_macc_chains_reorder)
3409         (mips_promote_ready, mips_sched_reorder, mips_variable_issue): New.
3410         * config/mips/mips.md (may_clobber_hilo): New attribute.
3411
3412 2004-04-24  Roger Sayle  <roger@eyesopen.com>
3413             Bruce Korb  <bkorb@gnu.org>
3414
3415         * fixinc/inclhack.def (aix_syswait_2): New fix.
3416         * fixinc/fixincl.x: Regenerate.
3417         * fixinc/tests/base/sys/wait.h: Update for new test.
3418
3419 2004-04-24  Alan Modra  <amodra@bigpond.net.au>
3420
3421         PR target/14960
3422         * config/rs6000/rs6000.c (rs6000_stack_info): Rename total_raw_size
3423         to non_fixed_size, and leave out fixed_size from the sum.
3424         (generate_set_vrsave): Correct clobbers.
3425         (rs6000_emit_epilogue): Test TARGET_ALTIVEC with TARGET_ALTIVEC_SAVE.
3426         (rs6000_function_value): Test TARGET_ALTIVEC and TARGET_ALTIVEC_ABI.
3427         (rs6000_libcall_value): Likewise.
3428         * config/rs6000/rs6000.h (FUNCTION_VALUE_REGNO_P): Likewise.
3429         (FUNCTION_ARG_REGNO_P): Likewise.
3430
3431 2004-04-24  Ulrich Weigand  <uweigand@de.ibm.com>
3432
3433         * expmed.c (expand_mult_highpart_adjust): Do not assume OP1
3434         is a CONST_INT.
3435         (expand_mult_highpart_optab): Call expand_mult_highpart_adjust
3436         with NARROW_OP1 instead of OP1.
3437
3438 2004-04-24  Ulrich Weigand  <uweigand@de.ibm.com>
3439
3440         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __s390__
3441         and __s390x__ hosts.
3442
3443 2004-03-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
3444
3445         * Makefile.in (LIBGCOV): Add _gcov_fork, _gcov_execl, _gcov_execlp,
3446         _gcov_execle, _gcov_execv, _gcov_execvp, _gcov_execve.
3447         * builtin-types.def (BT_PID, BT_PTR_CONST_STRING, BT_FN_PID,
3448         BT_FN_INT_CONST_STRING_PTR_CONST_STRING,
3449         BT_FN_INT_CONST_STRING_PTR_CONST_STRING_PTR_CONST_STRING): New.
3450         * builtins.c (expand_builtin_fork_or_exec): New.
3451         (expand_builtin): Call it.
3452         * builtins.def (BUILT_IN_EXECL, BUILT_IN_EXECLP,BUILT_IN_EXECLE,
3453         BUILT_IN_EXECV, BUILT_IN_EXECVP, BUILT_IN_EXECVE, BUILT_IN_FORK): New.
3454         * c-common.c (PID_TYPE): New macro.
3455         (c_common_nodes_and_builtins): Initialize pid_type_node.
3456         * calls.c (special_function_p): Do not handle fork and exec.
3457         (expand_call): Do not handle ECF_FORK_OR_EXEC.
3458         * gcov-io.h (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
3459         __gcov_execv, __gcov_execvp, __gcov_execve): Declare.
3460         * libgcov.c (__gcov_fork, __gcov_execl, __gcov_execlp, __gcov_execle,
3461         __gcov_execv, __gcov_execvp, __gcov_execve): New.
3462         * tree.h (enum tree_index): Add TI_PID_TYPE.
3463         (pid_type_node): New macro.
3464         (ECF_FORK_OR_EXEC): Removed.
3465
3466 2004-04-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
3467
3468         PR optimization/13985
3469         * cfgloopmanip.c (fix_loop_placements): New prototype.
3470         Call fix_bb_placements on the preheader of loops that have
3471         been reparented.
3472         (remove_path): Adjust call to fix_loop_placements.
3473
3474 2004-04-23  Andrew Pinski  <pinskia@physics.uc.edu>
3475
3476         * config/darwin7.h: New file.
3477         * config.gcc (*-*-darwin*): Add darwin7.h if the
3478         version is greater than 6.
3479         * config/darwin.h (TARGET_C99_FUNCTIONS): Define.
3480         (MATH_LIBRARY): Wrap in ifdefs.
3481
3482 2004-04-23  Daniel Jacobowitz  <drow@mvista.com>
3483
3484         * config/arm/arm.c (arm_output_epilogue): Reverse the order of
3485         loading iWMMXt registers with a frame pointer.  Use post-increment
3486         without a frame pointer.
3487         (arm_expand_prologue): Reverse the order of saving iWMMXt registers.
3488
3489 2004-04-23  Paolo Bonzini  <bonzini@gnu.org>
3490
3491         * doc/invoke.texi (Optimize Options): Refer to "unit-at-a-time
3492         mode" rather than "-funit-at-a-time" since -O2 enables it
3493         without requiring -f* options.  Refer to -fprofile-generate and
3494         -fprofile-use correctly.  Move -funit-at-a-time among options
3495         enabled by -O.  Add information about unit-at-a-time caveats.
3496
3497 2004-04-22  Per Bothner  <per@bothner.com>
3498
3499         * line-map.h (struct line_maps):  New field highest_line.
3500         (linemap_position_for_column):  Make non-inline function.
3501         (LINEMAP_POSITION_FOR_COLUMN):  New macro.
3502         * line-map.c (linemap_init):  Clear highest_line field.
3503         (linemap_add):  Set highest_line field.
3504         (linemap_line_start):  Minor optimization - use highest_line field.
3505         Reduce maximum column hint to 10000.  Update highest_line field.
3506         (linemap_position_for_column):  Moved from line-map.h.  Optimize a bit.
3507         * cpphash.h (struct cpp_reader):  Remove line field - instead use
3508         line_table->highest_line.
3509         (saved_line):  Remove unused field.
3510         (CPP_INCREMENT_FILE):  Don't do linemap_lookup - just use newest map.
3511         Use  line_table's highest_line field instead of cpp_reader's line.
3512         * cpplib.c (start_directive):  Likewise use highest_line field.
3513         (do_line, do_linemarker):  Likewise just use newest map.
3514         (_cpp_do_file_change):  Don't need to set cpp_reader's line field.
3515         * cpperror.c (cpp_error):  Likewise use highest_line field.
3516         * cppfiles.c (open_file_failed:  Likewise.
3517         (cpp_make_system_header):  Likewise use newest map and highest_line.
3518         * cppinit.c (cpp_create_reader):  Don't initialize removed field.
3519         * cpplex.c (_cpp_process_line_notes, _cpp_skip_block_comment,
3520         skip_line_comment, skip_whitespace, _cpp_get_fresh_line,
3521         _cpp_lex_direct):  Likewise use highest_line.
3522         (_cpp_lex_direct):  Use new LINEMAP_POSITION_FOR_COLUMN macro.
3523         * cppmacro.c (_cpp_builtin_macro_text):  Likewise use highest_line,
3524         and use newest map.
3525         * cpppch.c (cpp_read_state):  Don't save+restore cpp_reader's line.
3526         * cpptrad.c (_cpp_overlay_buffer):  Don't save cpp_reader's line.
3527         (copy_comment, _cpp_scan_out_logical_line):  Likewise use highest_line.
3528
3529 2004-04-23  Alan Modra  <amodra@bigpond.net.au>
3530
3531         PR bootstrap/14992
3532         * gcc.c (init_gcc_specs): Test USE_LD_AS_NEEDED, not HAVE_LD_AS_NEEDED.
3533         * config/linux.h (USE_LD_AS_NEEDED): Define.
3534         * gcc/config/alpha/linux.h (USE_LD_AS_NEEDED): Define.
3535         * gcc/config/arm/linux-elf.h (USE_LD_AS_NEEDED): Define.
3536         * gcc/config/rs6000/linux.h (USE_LD_AS_NEEDED): Define.
3537         * gcc/config/rs6000/linux64.h (USE_LD_AS_NEEDED): Define.
3538         * gcc/config/sh/linux.h (USE_LD_AS_NEEDED): Define.
3539         * gcc/config/sparc/linux.h (USE_LD_AS_NEEDED): Define.
3540         * gcc/config/sparc/linux64.h (USE_LD_AS_NEEDED): Define.
3541
3542 2004-04-22  Per Bothner  <per@bothner.com>
3543
3544         * cppinit.c (cpp_read_main_file):  Return NULL rather than false.
3545         Fixes PR preprocessor/15067.
3546
3547 2004-04-23  Andreas Schwab  <schwab@suse.de>
3548
3549         * config/ia64/ia64intrin.h: Add intermediate cast to void * to
3550         avoid aliasing warning.
3551
3552 2004-04-22  Jan Hubicka  <jh@suse.cz>
3553             Mostafa Hagog <mustafa@il.ibm.com>
3554
3555       * cfgloopmanip.c (scale_bbs_frequencies): Use RDIV macro
3556       * cfgloopanal.c (expected_loop_iterations): Change the return value
3557
3558 2004-04-22  Jakub Jelinek  <jakub@redhat.com>
3559
3560         * cselib.h (struct elt_loc_list): Remove canon_loc field.
3561         * cselib.c (new_elt_loc_list): Remove canon_loc initialization.
3562         (cselib_invalidate_mem): Remove all canon_loc and canon_x
3563         traces.
3564
3565 2004-04-22  Josef Zlomek  <zlomekj@suse.cz>
3566
3567         Revert
3568         2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
3569
3570                 * var-tracking.c (variable_part_different_p): Variable parts
3571                 differ when the most recent locations differ.
3572
3573 2004-04-22  Richard Sandiford  <rsandifo@redhat.com>
3574
3575         * doc/invoke.texi: Remove the MIPS -membedded-pic option.
3576         * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): Delete.
3577         (embedded_pic_offset): Delete.
3578         * config/mips/mips.h (MASK_EMBEDDED_PIC): Delete.  Shuffle other
3579         MASK_* constants.
3580         (TARGET_EMBEDDED_PIC): Delete.
3581         (TARGET_SWITCHES): Remove -m{no-,}embedded-pic.
3582         (ASM_SPEC): Remove -membedded-pic.
3583         (ASM_OUTPUT_ADDR_DIFF_ELT): Remove embedded-pic handling.
3584         (ASM_OUTPUT_CASE_LABEL): Likewise.
3585         * config/mips/vxworks.h (ASM_SPEC): Remove -membedded-pic.
3586         * config/mips/windiss.h (ASM_SPEC): Likewise.
3587         * config/mips/mips.c (struct machine_function): Remove
3588         embedded_pic_fnaddr_rtx.
3589         (TARGET_ENCODE_SECTION_INFO): Remove override.
3590         (embedded_pic_fnaddr_reg, embedded_pic_offset): Delete.
3591         (override_options): Remove -membedded-pic handling.
3592         (print_operand): Remove handling of '%S'.
3593         (mips_select_section: Remove -membedded-pic handling.
3594         (mips_encode_section_info): Delete.
3595         (mips_output_conditional_branch): Remove mention of -membedded-pic.
3596         * config/mips/mips.md (define_attr length, movsi, movdi, jump): Remove
3597         -membedded-pic handling.
3598         (casesi, casesi_internal, casesi_internal_di, get_fnaddr): Delete.
3599
3600 2004-04-22  Alan Modra  <amodra@bigpond.net.au>
3601
3602         * var-tracking.c (frame_base_decl): Remove useless GTY.
3603
3604 2004-04-21  Aldy Hernandez  <aldyh@redhat.com>
3605
3606         * config/rs6000/rs6000.c (rs6000_override_options): Error when
3607         user wants altivec and e500 instructions.
3608
3609 2004-04-21  H.J. Lu  <hongjiu.lu@intel.com>
3610
3611         PR target/14813
3612         * config/ia64/crtend.asm: Move pointer to __do_global_ctors_aux
3613         in .init_array section to ...
3614         * config/ia64/crtbegin.asm: Here.
3615
3616         * config/ia64/crtend.asm: Mark __do_global_ctors_aux global
3617         and hidden if HAVE_INITFINI_ARRAY is defined.
3618
3619 2004-04-21  James E Wilson  <wilson@specifixinc.com>
3620
3621         * config/mips/mips-protos.h (fp_register_operand, lo_operand): Declare.
3622         * config/mips/mips.c (mips_multipass_dfa_lookahead): Declare.
3623         (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): New.
3624         (fp_register_operand, lo_operand): New.
3625         (mips_rtx_costs): Add TUNE_SB1 support.
3626         (mips_issue_rate): Add comment.  Add PROCESSOR_SB1 support.
3627         (mips_use_dfa_pipeline_interface): Add PROCESSOR_SB1 support.
3628         (mips_multipass_dfa_lookahead): New.
3629         * config/mips/mips.h (MASK_FP_EXCEPTIONS, TARGET_FP_EXCEPTIONS,
3630         TUNE_SB1): New.
3631         (TARGET_SWITCHES): Add -mfp-exceptions support.
3632         (TARGET_FP_EXCEPTIONS_DEFAULT): New.
3633         (BRANCH_COST): Fix whitespace.
3634         * config/mips/mips.md: Include sb1.md.
3635         * config/mips/sb1.md: New file.
3636         * doc/invoke.texi: Document -mfp-exceptions.
3637
3638         * Makefile.in (fixinc.sh): Don't set or export WARN_CFLAGS.  Fix
3639         comment.
3640         * fixinc/Makefile.in (FL_LIST): Don't mention WARN_CFLAGS.
3641         (fixincl.o-warn): Delete.
3642
3643 2004-04-21  Andrew Pinski  <pinskia@physics.uc.edu>
3644
3645         * config/rs6000/rs6000 (print_operand) ['z']:
3646         Change ifdef of TARGET_MACHO to if TARGET_MACHO.
3647
3648 2004-04-21 Daniel Jacobowitz  <drow@mvista.com>
3649
3650         * config.gcc: Support --with-arch=iwmmxt for ARM.
3651
3652 2004-04-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3653
3654         * expmed.c (expand_mult_highpart_optab): Use narrower version of OP1
3655         in two more places; remove unneeded force_reg
3656
3657 2004-04-21  Andrew Pinski  <pinskia@physics.uc.edu>
3658
3659         * config/rs6000/rs6000.c (symbol_ref_operand): Remove hack
3660         for TARGET_MACHO.
3661         (print_operand): For TARGET_MACHO check to see if we need a stub
3662         and output one if we need it.
3663
3664         PR debug/15033
3665         * dwarf2out.c (rtl_for_decl_location): Check for NULL
3666         rtl.
3667
3668 2004-04-20  James E Wilson  <wilson@specifixinc.com>
3669
3670         * config/ia64/ia64.md (call_value_nogp): Add constraints for op0.
3671         (vall_value_gp): Likewise.
3672
3673 2004-04-20  DJ Delorie  <dj@redhat.com>
3674
3675         * dwarf2out.c (rtl_for_decl_location): Adjust rtl for byte
3676         variables stored in word registers, then in memory.
3677
3678 2004-04-20  Eric Christopher  <echristo@redhat.com>
3679
3680         * cp/parser.c (cp_parser_declaration): Move translate
3681         up before tokens are lexed.
3682
3683 2004-04-20  Uros Bizjak  <uros@kss-loka.si>
3684
3685         * optabs.h (enum optab_index): Add new OTI_asin and OTI_acos.
3686         (asin_optab, acos_optab): Define corresponding macros.
3687         * optabs.c (init_optabs): Initialize asin_optab and acos_optab.
3688         * genopinit.c (optabs): Implement asin_optab and acos_optab
3689         using asin?f2 and acos?f2 patterns.
3690         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_ASIN{,F,L}
3691         using asin_optab, and BUILT_IN_ACOS{,F,L} using acos_optab.
3692         (expand_builtin): Expand BUILT_IN_ASIN{,F,L} and BUILT_IN_ACOS{,F,L}
3693         using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
3694
3695         * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3696         acossf2, acosxf2): New expanders to implement asin, asinf, asinl,
3697         acos, acosf and acosl built-ins as inline x87 intrinsics.
3698
3699 2004-04-20  Paul Brook  <paul@codesourcery.com>
3700
3701         * config/arm/arm.c (arm_legitimate_address_p): Use rtx_equal_p.
3702
3703 2004-04-20  Paul Brook  <paul@codesourcery.com>
3704
3705         * config/arm/arm.c (arm_expand_prologue): Fix size calculation.
3706
3707 2004-04-20  Paolo Bonzini  <bonzini@gnu.org>
3708
3709         Revert part of 2004-04-17 change that moved -frename-registers
3710         to -O1.  -frename-registers is buggy.
3711
3712         * toplev.c (flag_rename_registers): Initialize to 0.
3713         * doc/invoke.texi (Optimize options): Move -frename-registers
3714         to "Not triggered by any -O level" section.  Adjust commentary
3715         accordingly.
3716
3717 2004-04-20  Anil Paranjpe <anilp1@kpitcummins.com>
3718
3719         * toplev.c (compile_file): Move targetm.asm_out.file_end call to end.
3720
3721 2004-04-20  Richard Sandiford  <rsandifo@redhat.com>
3722
3723         * config/mips/mips.c (mips_legitimize_move): Generate special patterns
3724         for mflo and mfhi instructions.
3725         (mips_output_move): Remove mflo and mfhi handling.
3726         * config/mips/mips.md (UNSPEC_MFHILO): New unspec.
3727         (*mulsidi3_64bit): Update for new mfhi/mflo representation.
3728         Likewise various define_peephole2s.
3729         (*movdi_32bit, *movdi_64bit, *movsi_internal): Merge x<-J and x<-d
3730         alternatives.
3731         (*movdi_64bit, *movdi_64bit_mips16, *mov[shq]i_internal)
3732         (*mov[shq]i_mips16): Remove mflo and mfhi alternatives.
3733         (mfhilo_di, mfhilo_si): New patterns.
3734
3735 2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
3736
3737         * function.c (assign_parms): Force
3738         MEM_EXPR (DECL_INCOMING_RTL (parm)) == parm.
3739
3740 2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
3741
3742         * var-tracking.c (variable_part_different_p): Variable parts differ
3743         when the most recent locations differ.
3744
3745 2004-04-19  James E Wilson  <wilson@specifixinc.com>
3746
3747         * rtl.h (reg_set_last): Delete declaration.
3748         * rtlanal.c (reg_set_last): Delete.
3749
3750 2004-04-19  Roger Sayle  <roger@eyesopen.com>
3751
3752         * fold-const.c (fold_convert): Make function extern/public.
3753         * tree.h (fold_convert): Prototype here.
3754         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
3755         expand_builtin_strrchr, expand_builtin_strpbrk,
3756         expand_builtin_mempcpy, expand_builtin_bcopy,
3757         expand_builtin_bzero, expand_builtin_memcmp,
3758         expand_builtin_strcmp, expand_builtin_strncmp,
3759         stabilize_va_list, expand_builtin_sprintf,
3760         fold_trunc_transparent_mathfn, fold_builtin_logarithm,
3761         fold_builtin_exponent, fold_builtin_mempcpy,
3762         fold_builtin_strcpy, fold_builtin_strcmp, fold_builtin_strncmp,
3763         fold_builtin_signbit, fold_builtin_isdigit, fold_builtin): Prefer
3764         fold_convert to "convert" or "fold (build1 (NOP_EXPR, ...))".
3765
3766 2004-04-19  Aldy Hernandez  <aldyh@redhat.com>
3767
3768         * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): New constant.
3769         (move_from_CR_gt_bit): New.
3770         (cceq_ior_compare): Name previously unnamed pattern.  Disable for
3771         E500.
3772         (cceq_rev_compare): Name previously unnamed pattern.  Allow for
3773         E500.
3774
3775         * config/rs6000/spe.md (cmpsfeq_gpr): Rewrite as unspec.
3776         (tstsfeq_gpr): Same.
3777         (cmpsfgt_gpr): Same.
3778         (tstsfgt_gpr): Same.
3779         (cmpsflt_gpr): Same.
3780         (tstsflt_gpr): Same.
3781         (e500_cceq_ior_compare): New.
3782         (e500_flip_gt_bit): New.
3783
3784         * config/rs6000/rs6000.c (ccr_bit): Remove E500 specific code.
3785         (print_operand): Add 'c' and 'D'.
3786         (rs6000_generate_compare): Rewrite to generate correct rtl.
3787         (rs6000_emit_sCOND): Handle E500.
3788         (output_cbranch): Adjust for changes in rs6000_generate_compare.
3789         (output_e500_flip_gt_bit): New.
3790
3791         * config/rs6000/rs6000-protos.h (output_e500_flip_gt_bit):
3792         Protoize.
3793
3794 2004-04-19  Eric Christopher  <echristo@redhat.com>
3795
3796         * config/mips/mips.h (DWARF2_ADDR_SIZE): New.
3797
3798 2004-04-19  David Edelsohn  <edelsohn@gnu.org>
3799
3800         * doc/install.texi (*-ibm-aix*): Add AIX 5.1 assembler and archiver
3801         fix information.
3802
3803 2004-04-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3804
3805         * doc/install.texi (Specific, mips-sgi-irix5): Fix IRIX 5.3 IDO
3806         download URL.
3807
3808 2004-04-19  Daniel Jacobowitz  <drow@mvista.com>
3809
3810         * stor-layout.c (layout_decl): Check DECL_PACKED before calling
3811         ADJUST_FIELD_ALIGN.  Check maximum_field_alignment after.
3812
3813 2004-04-19  Andrew PInski  <pinskia@physics.uc.edu>
3814
3815         * builtins.c (fold_builtin_cabs): Remove fndecl parameter.
3816         (fold_builtin): Update caller to match.
3817
3818         PR bootstrap/15009
3819         * bb-reorder.c (fix_up_fall_thru_edges): Init cond_jump.
3820
3821         PR bootstrap/14999
3822         * builtins.c (fold_builtin_cabs): Mark fndecl as unused.
3823
3824 2004-04-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3825
3826         * varasm.c (compare_constant, case VIEW_CONVERT_EXPR): Add case.
3827
3828         * expmed.c (expand_mult_highpart_adjust): Make OP1 valid for MODE.
3829         (expand_mult_highpart_optab): Likewise.
3830         (expand_mult_highpart): Make OP1 valid for WIDER_MODE, not MODE.
3831
3832 2004-04-19  Paul Brook  <paul@codesourcery.com>
3833
3834         * config/arm/arm.md (fixuns_truncsfsi2, fixuns_truncdfsi2,
3835         floatunssisf2, floatunssidf2): New patterns.
3836
3837 2004-04-18  Mark Mitchell  <mark@codesourcery.com>
3838
3839         PR other/14918
3840         * doc/invoke.texi (-fprofile-generate): Document requirement to
3841         use -fprofile-generate when linking.
3842
3843         * doc/extend.texi (Strong Using): Warn users against using this
3844         feature.
3845
3846 2004-04-18  Richard Sandiford  <rsandifo@redhat.com>
3847
3848         * config/mips/mips-protos.h (m16_usym8_4, m16_usym5_4): Delete.
3849         * config/mips/mips.h (mips_entry, mips_string_length): Delete.
3850         (CONSTANT_POOL_BEFORE_FUNCTION, ASM_OUTPUT_POOL_EPILOGUE): Undefine.
3851         * config/mips/mips.c (struct mips16_constant): Renamed from struct
3852         constant.  Propogate change throughout file.
3853         (struct machine_function): Remove insns_len.
3854         (mips_string_length, mips16_strings, string_constants): Delete.
3855         (mips_classify_symbol): Return SYMBOL_CONSTANT_POOL for LABEL_REFs
3856         when generating mips16 code.  Remove special mips16 treatment of
3857         string constants.
3858         (mips_symbolic_constant_p): Allow mips16 constant pool accesses
3859         to have the form LABEL+CONSTANT.
3860         (mips_symbolic_address_p): Fix comment.
3861         (m16_usym8_4, m16_usym5_4): Delete.
3862         (mips_output_function_epilogue): Remove mips16 string handling.
3863         (mips_output_mi_thunk): Call mips16_lay_out_constants.
3864         (mips_select_section, mips_encode_section_info): Remove mips16
3865         string handling.
3866         (struct mips16_constant_pool): New.
3867         (add_constant): Take a mips16_constant_pool structure.  Keep pool
3868         sorted into order of ascending mode size.  Keep track of the highest
3869         possible start address, taking padding and the masking of the base PC
3870         value into account.
3871         (dump_constants_1): New function, split out from dump_constants.
3872         Handle vector constants.  Use gen_consttable_{int,float} rather than
3873         separate functions for each mode.
3874         (dump_constants): Simplify.  Use GET_MODE_ALIGNMENT.  Use gen_align
3875         rather than separate functions for each alignment.
3876         (mips_find_symbol): Delete.
3877         (mips16_insn_length): New function, split out from
3878         mips16_lay_out_constants.
3879         (mips16_rewrite_pool_refs): New function.
3880         (mips16_lay_out_constants): Rework. Remove string handling.
3881         Always create an inline constant pool.
3882         * config/mips/mips.md (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT)
3883         (UNSPEC_ALIGN): New constants.
3884         (UNSPEC_CONSTTABLE_[QHSD]I, UNSPEC_CONSTTABLE_[SD]F): Delete.
3885         (UNSPEC_ALIGN_[248]): Delete.
3886         (consttable_int, consttable_float, align): New patterns.
3887         (consttable_[qhsd]i, consttable_[sd]f, align_[248]): Delete.
3888
3889 2004-04-17  Aldy Hernandez  <aldyh@redhat.com>
3890
3891         * config/rs6000/altivec.h (vec_any_numeric): Correct typo in
3892         __unn_args_eq.
3893
3894 2004-04-17  Alan Modra  <amodra@bigpond.net.au>
3895
3896         PR target/14715
3897         * config/rs6000/rs6000.c (rs6000_stack_info): Make parm_size agree
3898         with STARTING_FRAME_OFFSET.
3899
3900 2004-04-17  Richard Sandiford  <rsandifo@redhat.com>
3901
3902         * config/mips/mips.h (PREDICATE_CODES): Add macc_msac_operand.
3903         * config/mips/mips.c (macc_msac_operand): New function.
3904         * config/mips/mips.md (*msac): Move after *macc.
3905         (*msac2): New.  Generalize macc-related peepholes so that they apply
3906         to msac too.
3907
3908 2004-04-17  Paolo Bonzini  <bonzini@gnu.org>
3909
3910         * opts.c (decode_options): Do not enable flag_rename_registers
3911         and flag_web at -O3.
3912         * toplev.c (flag_rename_registers): Initialize
3913         flag_rename_registers and flag_web to
3914         AUTODETECT_FLAG_VAR_TRACKING.
3915         (default_debug_hooks): New global.
3916         (process_options): Initialize default_debug_hooks.  Warn if
3917         -fvar-tracking specified but not supported by the current
3918         debug format.  Do not run var tracking at -O0 or if not
3919         supported by the current debug format, even if
3920         -fvar-tracking was given.  If -fno-rename-registers
3921         is not specified, always run register renaming if var
3922         tracking is supported by the default debugging information
3923         format for the target, and we are at -O1 or higher; similarly
3924         for -fweb, but only at -O2 or higher.
3925         * doc/invoke.texi (Optimize Options): Document this.
3926
3927 2004-04-17  Richard Sandiford  <rsandifo@redhat.com>
3928
3929         * configure.ac (gcc_cv_ld_as_needed): Use AC_CACHE_CHECK.
3930         * configure: Regenerate.
3931
3932 2004-04-17  Richard Sandiford  <rsandifo@redhat.com>
3933
3934         * gcc.c (used_arg): Check whether an option has been removed.
3935
3936 2004-04-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3937
3938         * config.gcc (i[34567]86-*-solaris2*): Default to DWARF-2
3939         debugging on Solaris 7 and up.
3940
3941 2004-04-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3942
3943         * doc/install.texi (Specific, mips-sgi-irix5): Reflect working
3944         IRIX 5 port.
3945         Remove -save-temps workaround, handled automatically.
3946         Require GNU binutils 2.15 for debugging.
3947         Remove SGI make warnings since GNU make is now required.
3948         (Specific, mips-sgi-irix6): Some markup fixes.
3949         Describe MIPSpro C problems and workarounds.
3950         Mention working O32 ABI support.
3951         Recommend GNU as 2.15 for O32 with debugging.
3952         Remove description of fixed structure pass/return bug.
3953
3954 2004-04-16  DJ Delorie  <dj@redhat.com>
3955
3956         * sdbout.c (sdbout_one_type): Use TYPE_VALUES for enums, not
3957         TYPE_FIELDS.
3958         (sdbout_finish): Don't free deferred_global_decls; it's GC'd.
3959
3960 2004-04-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3961
3962         * pa.md: Remove unnecessary declarations for asm_out_file.
3963
3964         * pa64-regs.h (DBX_REGISTER_NUMBER): Simplify and correct mapping of
3965         SAR register.  Fix comment.
3966         (ADDITIONAL_REGISTER_NAMES): Correct register number of SAR register
3967         (%cr11).
3968
3969         * pa64-hpux.h (LIB_SPEC): Fix library specification used with GNU ld.
3970
3971 2004-04-16  Nick Clifton  <nickc@redhat.com>
3972
3973         * config/arm/arm.c (arm_override_options): Revert previous patch.
3974         * config/arm/t-xscale-elf: Disable iwmmxt multilibs until they can
3975         be safely built.
3976
3977 2004-04-16  Kazuhiro Inaoka <inaoka dot kazuhiro at renesas dot com>
3978
3979         * config/m32r/m32r.h (BIG_ENDIAN_BIT): Deleted to fix endian
3980         bug.
3981         (TARGET_LITTLE_ENDIAN, TARGET_BIG_ENDIAN,
3982         TARGET_DEFAULT): Changed. Ditto.
3983         (LITTLE_ENDIAN_BIT, TARGET_CPU_DEFAULT,
3984         TARGET_ENDIAN_DEFAULT): Added. Ditto.
3985         * config/m32r/little.h (TARGET_LITTLE_ENDIAN): Deleted.
3986         (TARGET_ENDIAN_DEFAULT): Added.
3987
3988 2004-04-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>