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* c-typeck.c (common_type): Correct comment.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2004-05-29  Joseph S. Myers  <jsm@polyomino.org.uk>
2
3         * c-typeck.c (common_type): Correct comment.
4
5 2004-05-29  Peter Barada  <peter@the-baradas.com>
6
7         * config/m68k/m68k.c (CONST_METHOD): Add MVZ, MVS.
8         * config/m68k/m68k.c (const_method): Likewise.
9         * config/m68k/m68k.c (const_int_cost): Likewise.
10         * config/m68k/m68k.c (const_int_cost): Likewise.
11         * config/m68k/m68k.c (output_move_const_into_data_reg): Likewise.
12
13 2004-05-29  Peter Barada  <peter@the-baradas.com>
14
15         * config/m68k/m68k.h (EXTRA_CONSTRAINT): add 'U' for register offset
16         addressing.
17         * config/m68k/m68k.md: Add 'U,U' alternative to ColdFire variants of
18         movsi,movhi,movqi insn patterns.
19
20 2005-05-28  Andrew Pinski  <pinskia@physics.uc.edu>
21
22         * c-semantics.c (emit_local_var): Remove code for DECL_INITIAL.
23
24         PR target/15720
25         * config/darwin.c (machopic_indirect_call_target): Copy
26         the SYMBOL_REF_DECL from the original RTX for the new
27         stub RTX.
28
29 2004-05-28  DJ Delorie  <dj@redhat.com>
30
31         * stor-layout.c (place_field): Revert erroneous commit.
32
33 2004-05-28  Ziemowit Laski  <zlaski@apple.com>
34
35         * config/rs6000/altivec.h (vec_ctf, vec_vcfsx, vec_vcfux, vec_cts,
36         vec_ctu, vec_dss, vec_dst, vec_dstst, vec_dststt, vec_dstt, vec_ld,
37         vec_ldl, vec_lvsl, vec_lvsr, vec_sld, vec_splat, vec_vspltw,
38         vec_vsplth, vec_vspltb, vec_splat_s8, vec_splat_s16, vec_splat_s32,
39         vec_splat_u8, vec_splat_u16, vec_splat_u32, vec_st, vec_stl,
40         vec_ste): Remove type checks for integral parameters and literals
41         from '..._args_eq' macros.
42
43 2004-05-28  Aldy Hernandez  <aldyh@redhat.com>
44
45         * c-common.c (fname_as_string): Fix xcalloc to xmalloc.
46
47 2004-05-28  Aldy Hernandez  <aldyh@redhat.com>
48
49         * testsuite/g++.dg/charset/function.cc: New.
50
51         * testsuite/gcc.dg/charset/function.c: New.
52
53         * c-decl.c (c_make_fname_decl): Free return value from
54         fname_as_string.
55
56         * cp/decl.c (cp_make_fname_decl): Free return value from
57         fname_as_string.
58
59         * c-common.c (fname_as_string): Translate if necessary.
60
61 2004-05-28  Geoffrey Keating  <geoffk@apple.com>
62
63         * stringpool.c: Add comments to PCH saving/restoring routines.
64
65 2004-05-28  Andrew Pinski  <pinskia@physics.uc.edu>
66
67         * c-common.c (c_estimate_num_insns_1): Kill.
68         (c_estimate_num_insns): Kill.
69         * c-common.h (c_estimate_num_insns): Kill.
70
71         * gthr-posix.h: Check for _POSIX_PRIORITY_SCHEDULING
72         when checking for _POSIX_THREAD_PRIORITY_SCHEDULING.
73         Remove comment about not checking for
74         _POSIX_PRIORITY_SCHEDULING.
75         * gthr-posix.c: Likewise.
76
77 2004-05-28  Paolo Bonzini  <bonzini@gnu.org>
78             Roger Sayle  <roger@eyesopen.com>
79
80         PR rtl-optimization/15649
81         Add LTGT_EXPR and improve pretty-printing of unordered
82         comparisons.
83         * c-common.c (c_common_truthvalue_conversion):
84         Handle LTGT_EXPR.
85         * c-typeck.c (build_binary_op): Likewise.
86         * dojump.c (do_jump): Likewise.
87         * expr.c (expand_expr_real_1, do_store_flag): Likewise.
88         * predict.c (tree_predict_by_opcode): Likewise.
89         * real.c (real_compare): Likewise.
90         * tree-cfg.c (verify_expr): Likewise.
91         * tree-inline.c (estimate_num_insns_1): Likewise.
92         * tree-pretty-print.c (dump_generic_node): Likewise.
93         Handle ORDERED_EXPR, UNORDERED_EXPR.
94         (op_symbol): Print unordered comparisons differently
95         than ordered ones.
96         * tree.def (LTGT_EXPR): New '<' tree code.
97         * doc/c-tree.texi (Expressions): Document floating-point
98         comparison nodes.
99
100         Fold comparisons between floating point values.
101         * fold-const.c (enum comparison_code): New, from
102         #define'd constants.  Define compcodes for unordered
103         comparisons and for invalid transformations.
104         (invert_tree_comparison): Add "honor_nans" parameter.
105         (fold_truthop): Revamp to work on floating-point types too.
106         (comparison_to_compcode): Support unordered comparisons.
107         Use new enum comparison_code.
108         (compcode_to_comparison): Likewise.
109         (combine_compcodes): New function.
110         (invert_truthvalue): Let invert_tree_comparison decide
111         whether it is valid to fold the comparison.  Fold ORDERED
112         and UNORDERED even if flag_unsafe_math_optimizations is off,
113         and the remaining even if flag_unsafe_math_optimizations
114         is off but we are under -fno-trapping-math.
115         (fold_relational_const): Integer modes do not honor NaNs.
116         
117 2004-05-28  Paul Brook  <paul@codesourcery.com>
118
119         * config/arm/arm.c (arm_output_epilogue): Remove redundant code.
120
121 2004-05-28  Paul Brook  <paul@codesourcery.com>
122
123         * config/arm/arm.c (thumb_force_lr_save): New function.
124         (arm_get_frame_offsets, thumb_unexpanded_epilogue,
125         thumb_output_function_prologue): Use it.
126         (thumb_expand_prologue): Set lr_save_eliminated.
127
128 2004-05-28  Richard Sandiford  <rsandifo@redhat.com>
129
130         * config/mips/mips.md (extendsidi2): Tie the source and destination
131         of the register alternative.  Split it into nothing.
132
133 2004-05-28  Richard Sandiford  <rsandifo@redhat.com>
134
135         * rtl.h (skip_consecutive_labels): Declare.
136         * emit-rtl.c (skip_consecutive_labels): New function.
137         * reorg.c (relax_delay_slots, dbr_schedule): Use it.
138         * jump.c (follow_jumps): Say what null return values mean.
139
140 2004-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
141
142         PR target/13250
143         * config/sh/sh.md (rotlsi3): Use emit_move_insn.
144
145 2004-05-27  Kaz Kojima  <kkojima@gcc.gnu.org>
146
147         * config/sh/t-linux (SHLIB_MAPFILES): Use sh specific
148         libgcc-std.ver.
149         * config/sh/libgcc-std.ver: New file.
150
151 2004-05-27  Bryce McKinlay  <mckinlay@redhat.com>
152
153         * except.c: Revert change of 2004-05-26.
154         * config/i386/i386.md: Revert change of 2004-05-27.
155
156 2004-05-27  Bryce McKinlay  <mckinlay@redhat.com>
157
158         * configure.ac: Remove --enable-tree-browser option.
159         Define TREEBROWSER when ac_tree_checking is defined.
160         * configure: Rebuilt.
161
162 2004-05-27  Olivier Hainque  <hainque@act-europe.fr>
163
164         * expr.c (store_constructor): Restore sanity check on
165         the size of the type before clearing.
166
167 2004-05-27  Jan Hubicka  <jh@suse.cz>
168
169         * cfgbuild.c (control_flow_insn_p):  Notice noreturn call
170
171 2004-05-25  Paolo Bonzini  <bonzini@gnu.org>
172
173         * combine.c (gen_binary): Remove.
174         (known_cond, simplify_shift_const
175         find_split_point, combine_simplify_rtx,
176         simplify_if_then_else, simplify_set,
177         simplify_logical, expand_field_assignment,
178         extract_left_shift, force_to_mode,
179         if_then_else_cond, apply_distributive_law,
180         simplify_and_const_int, simplify_shift_const,
181         gen_lowpart_for_combine, simplify_comparison,
182         reversed_comparison): Replace with
183         simplify_gen_binary, simplify_gen_relational or
184         distribute_and_simplify_rtx.
185         (distribute_and_simplify_rtx): New function.
186         * simplify-rtx.c (simplify_binary_operation):
187         Use nonzero_bits to simplify ANDs where we are
188         turning off bits already known to be off in OP0.
189
190 2004-05-27  Alan Modra  <amodra@bigpond.net.au>
191
192         PR target/14478
193         * config/rs6000/rs6000.c (reg_or_neg_short_operand): Don't allow zero.
194
195 2004-05-27  Josef Zlomek  <zlomekj@suse.cz>
196
197         PR middle-end/14084
198         * emit-rtl.c (gen_rtx_REG_offset): Adjust the offset according
199         to size of decl.
200
201 2004-05-26  Aldy Hernandez  <aldyh@redhat.com>
202
203         PR/14924
204         * config/rs6000/rs6000.c (spe_expand_stv_builtin): New.
205
206 2004-05-26  Roger Sayle  <roger@eyesopen.com>
207
208         * tree.h: Fix comment typo.
209
210 2004-05-27  Steven Bosscher  <stevenb@suse.de>
211
212         * gimplify.c (compare_case_labels): New function.
213         (gimplify_switch_expr): Sort case labels, and make sure the
214         last label in the label vector is the default case.
215         * tree-cfg.c (group_case_labels): New function.
216         (build_tree_cfg): Cleanup redundant labels and group case labels
217         before creating edges.
218         (cleanup_dead_labels): Handle GOTO_EXPRs.
219         (find_case_label_for_value): Use a binary search to find the
220         case label for the given value.
221         * tree-gimple.c: Mention that labels are sorted, and that the
222         last label must be the default.
223
224 2004-05-27  Jan Hubicka  <jh@suse.cz>
225
226         * cfgcleanup.c (try_optimize_cfg): Do not merge across jumptables.
227
228 2004-05-27  Jan Hubicka  <jh@suse.cz>
229
230         * i386.md (UNSPECV_EH_RETURN): Kill.
231         (eh_return): Use jump_insn.
232         (eh_return_si, eh_return_di): Change pattern to jump instruction.
233
234 2004-05-26  Jan Hubicka  <jh@suse.cz>
235
236         * cfgcleanup.c (try_forward_edges):  Do not check loop structure when
237         not loop optimizing.
238
239 2004-05-26  Jan Hubicka  <jh@suse.cz>
240
241         * except.c (can_throw_internal):  Notice RESX instructions.
242
243 2004-05-26  Eric Botcazou  <ebotcazou@act-europe.fr>
244
245         * varasm.c (output_constant) <INTEGER_TYPE>: Pass the minimum
246         of the two sizes to assemble_integer.
247
248 2004-05-25  Paul Brook  <paul@codesourcery.com>
249
250         * config/arm/arm.c (thumb_exit, thumb_unexpanded_epilogue): Remove
251         pointless #ifdef.
252
253 2004-04-25  Paolo Bonzini  <bonzini@gnu.org>
254
255         * Makefile.in (top_builddir): Define to .
256
257 2004-05-25  Alexandre Oliva  <aoliva@redhat.com>
258
259         * configure.ac (gcc_cv_ld): Prefer in-tree ld over whatever the
260         top-level detects, except when in-tree ld is being cross-built.
261         (gcc_cv_as): Likewise for as.  Use AS_FOR_TARGET otherwise, and
262         then AS only if target is host.
263         * configure: Rebuilt.
264
265 2004-05-25  Vladimir Makarov  <vmakarov@redhat.com>
266
267         * global.c (global_alloc): Call make_accurate_live_analysis.
268         (record_one_conflict): Remove dead code.
269         (mark_reg_clobber): Remove ATTRIBUTE_UNUSED for parameter data.
270         (bb_info): New structure.
271         (BB_INFO, BB_INFO_BY_INDEX): New macros.
272         (allocate_bb_info, free_bb_info, mark_reg_change,
273         calculate_local_reg_bb_info, set_up_bb_rts_numbers, rpost_cmp,
274         modify_bb_reg_pav, calculate_reg_pav,
275         make_accurate_live_analysis): New functions.
276         
277 2004-05-25  Devang Patel  <dpatel@apple.com>
278
279         * alias.c (init_alias_analysis): Use ggc_calloc instead of
280         xrealloc.
281         (end_alias_analysis): Use ggc_free instead fo free.
282         
283 2004-05-25  Andrew Pinski  <pinskia@physics.uc.edu>
284
285         PR target/15546
286         * config/ia64/ia64.h (ASM_OUTPUT_FDESC): Mark the DECL
287         as needed to be outputted.
288
289 2004-05-25  Jan Hubicka  <jh@suse.cz>
290
291         * builtins.def (__builtin_expect):  Mark the function as const&nothrow.
292
293 2004-05-25  Ayal Zaks  <zaks@il.ibm.com>
294         Mostafa Hagog  <mustafa@il.ibm.com>
295
296         * Makefile.in (modulo-sched.o, ddg.o): New.
297         * ddg.h, ddg.c, modulo-sched.c: New files.
298         * cfglayout.c (duplicate_insn_chain): Remove "static" and push
299         internals to "dupicate_insn".
300         (duplicate_insn): New function.
301         * cfglayout.h (duplicate_insn_chain, duplicate_insn): New
302         declarations.
303         * common.opt (fmodulo-sched): New flag.
304         * df.c (df_bb_regno_last_use_find, df_bb_regno_first_def_find):
305         Remove static and forward declaration.
306         (df_find_def, df_reg_used, df_bb_regno_last_def_find): New
307         functions.
308         * df.h (df_bb_regno_last_use_find, df_bb_regno_first_def_find,
309         df_bb_regno_last_def_find, df_find_def, df_reg_used): New
310         declarations.
311         * flags.h (flag_modulo_sched): New flag.
312         * opts.c (common_handle_option): Handle modulo-sched flag.
313         * params.def (max-sms-loop-number, sms-max-ii-factor,
314         sms-dfa-history, sms-loop-average-count-threshold): New
315         parameters.
316         * params.h (MAX_SMS_LOOP_NUMBER, SMS_MAX_II_FACTOR,
317         SMS_DFA_HISTORY, SMS_LOOP_AVERAGE_COUNT_THRESHOLD): New
318         parameters.
319         * passes.c ("sms", "sms-vcg"): New dumps.
320         (rest_of_handle_sched): Call sms_schedule.
321         * rtl.h (sms_schedule): New declaration.
322         * timevar.def (TV_SMS): New.
323         * toplev.c (flag_modulo_sched): Initialize.
324         (f_options): Handle -fmodulo-sched option.
325         * docs/invoke.texi: Document -fmodulo-sched & -dm options.
326         * docs/passes.texi: Document new SMS pass.
327
328 2004-05-25  Paolo Bonzini  <bonzini@gnu.org>
329
330         * Makefile.in (OBJS): Add rtlhooks.o.
331         (rtlanal.o): Depend on function.h.
332         (cse.o): Depend on rtlhooks-def.h.
333         (combine.o): Depend on rtlhooks-def.h.
334         (rtlhooks.o): New rule.
335         * combine.c: Include rtlhooks-def.h.
336         (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
337         num_sign_bit_copies, cached_num_sign_bit_copies,
338         num_sign_bit_copies1): Move most of the code to rtlanal.c.
339         (reg_nonzero_bits_for_combine,
340         reg_num_sign_bit_copies_for_combine): New functions holding
341         the remnants of the above.
342         (combine_rtl_hooks): New.
343         (combine_instructions): Set rtl_hooks instead of gen_lowpart.
344         * cse.c: Include rtlhooks-def.h.
345         (cse_rtl_hooks): New.
346         (cse_main): Set rtl_hooks instead of gen_lowpart.
347         * emit-rtl.c (gen_lowpart): Remove.
348         (gen_lowpart_general): Move to rtlhooks.c.
349         * rtl.h (nonzero_bits, num_sign_bit_copies,
350         struct rtl_hooks, rtl_hooks, general_rtl_hooks): New.
351         (gen_lowpart_general): Remove.
352         (gen_lowpart): Temporarily redefine as a macro.
353         * rtlanal.c: Include function.h.
354         (nonzero_bits, cached_nonzero_bits, nonzero_bits1,
355         num_sign_bit_copies, cached_num_sign_bit_copies,
356         num_sign_bit_copies1): New, from combine.c.
357         * rtlhooks.c: New file. 
358
359 2004-05-25  Svein E. Seldal  <Svein.Seldal@solidas.com>
360
361         * config/avr/avr.h (LONG_LONG_TYPE_SIZE): Changed long long type
362         to support 32-bit -mint8 mode.
363
364         * doc/invoke.texi (-mint8): Added documentation for the -mint8
365         option in the AVR architecture. 
366
367 2004-05-24  Mike Stump  <mrs@apple.com>
368
369         * doc/install.texi: Document that dejagnu 1.4.4 is required.
370
371 2004-05-24  Joseph S. Myers  <jsm@polyomino.org.uk>
372
373         * intl.h (open_quote, close_quote): New.
374         * intl.c (open_quote, close_quote): New.
375         (gcc_init_libintl): Set them.
376         * pretty-print.c: Include "intl.h".
377         (pp_base_format_text): Support 'q' format flag and %` and %'
378         formats.  Use ' instead of ` in comments.
379         * c-format.c (gcc_diag_flag_specs, gcc_cxxdiag_flag_specs,
380         gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table,
381         foramt_types_orig): Describe these new formats.
382         (decode_format_attr, check_function_format,
383         check_format_info_main): Use these new formats.
384         (status_warning): Use ATTRIBUTE_GCC_DIAG.
385         * toplev.c (ATTRIBUTE_GCC_DIAG): Increase required GCC version to
386         check these formats to 3.5.
387
388 2004-05-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
389
390         * Makefile.in (CPPLIBS): Renamed to CPPLIB.
391         (BACKEND): Reflect this.
392         (LIBDEPS): Move CPPLIB before LIBIBERTY.
393         (LIBS): Likewise.
394
395 2004-05-24  Ulrich Weigand  <uweigand@de.ibm.com>
396
397         PR tree-optimization/14197
398         * builtins.c: Include "tree-gimple.h"
399         (readonly_data_expr): Use get_base_address.  Make sure to call 
400         decl_readonly_section only on trees it can handle.
401         * tree-gimple.c (get_base_address): Accept STRING_CST and
402         CONSTRUCTOR expressions.
403         * Makefile.in: Update dependencies.
404
405 2004-05-23  Paolo Bonzini  <bonzini@gnu.org>
406
407         Move libcpp to the toplevel.
408         * Makefile.in: Remove references to libcpp files,
409         use CPPLIBS instead of libcpp.a.  Define SYMTAB_H
410         and change hashtable.h to that.
411         * aclocal.m4 (gcc_AC_HEADER_STDBOOL,
412         gcc_AC_HEADER_STRING, gcc_AC_C__BOOL): Remove.
413         * configure.ac (gcc_AC_C__BOOL, HAVE_UCHAR): Remove tests.
414         * configure: Regenerate.
415         * config.in: Regenerate.
416         * c-ppoutput.c: Include ../libcpp/internal.h instead of cpphash.h.
417         * cppcharset.c: Removed.
418         * cpperror.c: Removed.
419         * cppexp.c: Removed.
420         * cppfiles.c: Removed.
421         * cpphash.c: Removed.
422         * cpphash.h: Removed.
423         * cppinit.c: Removed.
424         * cpplex.c: Removed.
425         * cpplib.c: Removed.
426         * cpplib.h: Removed.
427         * cppmacro.c: Removed.
428         * cpppch.c: Removed.
429         * cpptrad.c: Removed.
430         * cppucnid.h: Removed.
431         * cppucnid.pl: Removed.
432         * cppucnid.tab: Removed.
433         * hashtable.c: Removed.
434         * hashtable.h: Removed.
435         * line-map.c: Removed.
436         * line-map.h: Removed.
437         * mkdeps.c: Removed.
438         * mkdeps.h: Removed.
439         * stringpool.h: Include symtab.h instead of hashtable.h.
440         * tree.h: Include symtab.h instead of hashtable.h.
441         * system.h (O_NONBLOCK, O_NOCTTY): Do not define.
442
443 2004-05-23 Paolo Bonzini <bonzini@gnu.org>
444
445         * gcc.c (struct prefix_list): Add forward declaration.
446         (do_spec_path): New function, extracted from...
447         (do_spec_1) <'D'>: ... here.  Drop support for
448         SPACE_AFTER_L_OPTION.
449         (do_spec_1) <'I'>: Use do_spec_path.
450         (process_command): Do not store the 'include' suffix
451         in include_prefixes.
452         * system.h: Poison SPACE_AFTER_L_OPTION.
453
454 2002-05-23  Roger Sayle  <roger@eyesopen.com>
455
456         * fold-const.c (non_lvalue): Explicitly list the tree codes that
457         need to be wrapped by NON_LVALUE_EXPR, instead of those that don't.
458
459 2004-05-23  Joseph S. Myers  <jsm@polyomino.org.uk>
460
461         * doc/gcc.texi, doc/gccint.texi, doc/include/gcc-common.texi:
462         Update based on printed manual.  Enable setting of offsets for
463         FSFPRINT and move it to gcc-common.texi.
464         * doc/gcc.texi: Update FSF printing details.
465         * doc/gccint.texi: Remove FSF printing details.
466
467 2004-05-23  Andrew Pinski  <pinskia@physics.uc.edu>
468
469         * config/rs6000/t-rs6000: Remove the disabling -Werror.
470
471 2004-05-22  Roger Sayle  <roger@eyesopen.com>
472
473         * builtins.c (expand_builtin_strstr, expand_builtin_strchr,
474         expand_builtin_strrchr, expand_builtin_strpbrk,
475         expand_builtin_mempcpy, expand_builtin_memcmp,
476         expand_builtin_strcmp, expand_builtin_strncmp,
477         expand_builtin_strcat, std_expand_builtin_va_start,
478         std_expand_builtin_va_arg, expand_builtin_va_copy,
479         expand_builtin_signbit, fold_builtin_cabs,
480         fold_builtin_logarithm, fold_builtin_mempcpy,
481         fold_builtin_signbit, fold_builtin_isascii,
482         fold_builtin_toascii, fold_builtin_isdigit,
483         fold_builtin_1, build_function_call_expr,
484         simplify_builtin_strchr, simplify_builtin_strrchr,
485         simplify_builtin_strpbrk, simplify_builtin_strncpy,
486         simplify_builtin_memcmp, simplify_builtin_strcmp,
487         simplify_builtin_strncmp, simplify_builtin_strncat,
488         simplify_builtin_strspn, simplify_builtin_strcspn,
489         simplify_builtin_fputs, simplify_builtin_sprintf): Replace calls
490         to build with calls to build2, build3 or omit_one_operand.
491
492 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
493
494         * config/mips/mips.c (mips_file_start): Emit a .gcc_compiled_longXX
495         section when generating EABI code.
496
497 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
498
499         PR 15546
500         * config/i386/i386.c (output_pic_addr_const <case SYMBOL_REF>):
501         Call mark_decl_referenced on the SYMBOL_REF_DECL.
502
503 2004-05-22  Andrew Pinski  <pinskia@physics.uc.edu>
504
505         * c-common.c (c_common_truthvalue_conversion): Handle
506         UNEQ_EXPR, UNLE_EXPR, UNGE_EXPR, UNLT_EXPR, UNGT_EXPR,
507         ORDERED_EXPR, and UNORDERED_EXPR as comparison operators,
508         i.e. set the type to truthvalue_type_node and return.
509
510 2004-05-22  Zack Weinberg  <zack@codesourcery.com>
511
512        * tree.h (struct tree_decl): Add possibly_inlined bit.
513         (DECL_POSSIBLY_INLINED): New accessor macro.
514         * cgraph.h: Remove declaration of cgraph_inline_hash.
515         * cgraph.c: Remove definition of cgraph_inline_hash.
516         (hash_node): Revert to hashing DECL_UID.
517         (eq_node): Take two pointers to cgraph_node structures.
518         Compare DECL_UIDs.
519         (cgraph_remove_node): Pass the node directly to htab_find_slot.
520         (cgraph_varpool_hash_node): Rename hash_varpool_node;
521         hash on DECL_UID.
522         (eq_cgraph_varpool_node): Rename eq_varpool_node; take two
523         pointers to cgraph_varpool_node structures; compare DECL_UIDs.
524         (cgraph_node): Allocate a temporary node on the stack, fill in
525         its DECL field, and pass that to htab_find_slot.
526         (cgraph_varpool_node): Likewise.
527         (cgraph_function_possibly_inlined_p): If global info is ready,
528         return the DECL_POSSIBLY_INLINED bit.
529         * cgraphunit.c (cgraph_mark_inline_edge): Set DECL_POSSIBLY_INLINED
530         instead of mucking with cgraph_inline_hash.
531
532 2004-05-22  Joseph S. Myers  <jsm@polyomino.org.uk>
533
534         * doc/contrib.texi: Add g77 contributors.
535
536 2004-05-22  Richard Sandiford  <rsandifo@redhat.com>
537
538         * calls.c (initialize_argument_information): Forbid sibcalls if a
539         callee-copied argument is stored in the current function's frame.
540
541 2004-05-22  Eric Christopher  <echristo@redhat.com>
542
543         * fix-header.c (read_scan_file): Update for add_path change.
544
545 2004-05-22  Ben Elliston  <bje@au.ibm.com>
546
547         * c.opt (Wmissing-include-dirs): New.
548         * c-opts.c (c_common_handle_option): Pass true for user_supplied_p
549         to add_path () for -I, but false for OPT_idirafter, OPT_iquote and
550         OPT_isystem. Handle case OPT_Wmissing_include_dirs.
551         * c-incpath.h (add_path): Add fourth (bool) argument.
552         * c-incpath.c (add_env_var_paths): Pass false to add_path ().
553         (add_standard_paths): Likewise.
554         (remove_duplicates) [REASON_NOENT]: Warn if -Wmissing-include-dirs
555         is used and the directory was user-supplied via -I.
556         (add_path): Set p->user_supplied_p.  Remove duplicated code by
557         using add_cpp_dir_path ().
558         * cpplib.h (struct cpp_options): Add warn_missing_include_dirs.
559         (struct cpp_dir): Add user_supplied_p.
560         * doc/invoke.texi (Warning Options): Document new option.
561
562 2004-05-21  Ulrich Weigand  <uweigand@de.ibm.com>
563
564         * fold-const.c (fold_read_from_constant_string): Convert result to
565         requested type.
566
567 2004-05-21  Richard Henderson  <rth@redhat.com>
568
569         * gimplify.c (mostly_copy_tree_r): Don't attempt to copy decls.
570         (copy_if_shared_r): Don't copy decls, types, constants, BINDs.
571         Don't mark VA_ARG_EXPRs volatile here.
572         (gimplify_modify_expr): Unshare TYPE_SIZE_UNIT.
573
574 2004-05-21  Richard Henderson  <rth@redhat.com>
575
576         * Makefile.in (tree-dump.o): Depend on tree-iterator.h.
577         * tree-dump.c (dequeue_and_dump): Dump STATEMENT_LISTs.
578
579 2004-05-21  Roger Sayle  <roger@eyesopen.com>
580
581         * fold-const.c (fold, fold_relational_hi_lo,
582         nondestructive_fold_binary_to_constant,
583         fold_read_from_constant_string): Use fold_convert instead of convert.
584         * builtins.c (simplify_builtin, simplify_builtin_strstr,
585         simplify_builtin_strchr, simplify_builtin_strrchr,
586         simplify_builtin_strpbrk): Use fold_convert instead of convert.
587
588 2004-05-21  Diego Novillo  <dnovillo@redhat.com>
589
590         * tree-flow-inline.h (num_immediate_uses): Don't abort if DF
591         is NULL.
592
593 2004-05-21  Jakub Jelinek  <jakub@redhat.com>
594
595         * config/sparc/linux64.h (OPTION_DEFAULT_SPECS): If SPARC_BI_ARCH,
596         override sparc.h definition.
597
598 2004-05-20  Roger Sayle  <roger@eyesopen.com>
599
600         * tree.c (array_type_nelts, save_expr, substitute_in_expr,
601         get_unwidened, get_narrower): Replace build with build2.
602         * fold-const.c (negate_expr, associate_trees, size_binop,
603         fold_convert, eval_subst, omit_one_operand, invert_truthvalue,
604         pedantic_omit_one_operand, distribute_bit_expr,
605         make_bit_field_ref, optimize_bit_field_compare,
606         decode_field_reference, range_binop, make_range,
607         build_range_check, fold_range_test, fold_truthop,
608         optimize_minmax_comparison, extract_muldiv_1,
609         fold_binary_op_with_conditional_arg, fold_mathfn_compare,
610         fold_inf_compare, fold_single_bit_test, fold,
611         fold_relational_hi_lo, nondestructive_fold_binary_to_constant):
612         Likewise replace build with either build2 or build3.
613
614 2004-05-20  Ian Lance Taylor  <ian@wasabisystems.com>
615
616         * system.h: Poison NO_RECURSIVE_FUNCTION_CSE.
617         * calls.c (prepare_call_address): Don't test
618         NO_RECURSIVE_FUNCTION_CSE.
619         * config/arc/arc.h (NO_RECURSIVE_FUNCTION_CSE): Don't define.
620         * config/arm/arm.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
621         * config/avr/avr.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
622         * config/frv/frv.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
623         * config/i386/i386.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
624         * config/ip2k/ip2k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
625         * config/iq2000/iq2000.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
626         * config/m32r/m32r.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
627         * config/m68k/m68k.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
628         * config/mcore/mcore.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
629         * config/mips/mips.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
630         * config/stormy16/stormy16.h (NO_RECURSIVE_FUNCTION_CSE):
631         Likewise.
632         * config/xtensa/xtensa.h (NO_RECURSIVE_FUNCTION_CSE): Likewise.
633         * config/sh/sh.h: Remove NO_RECURSIVE_FUNCTION_CSE comment.
634         * doc/tm.texi (Costs): Remove documentation for
635         NO_RECURSIVE_FUNCTION_CSE.
636
637 2004-05-20  Paul Brook  <paul@codesourcery.com>
638
639         * unwind-dw2-fde.c (get_cie_encoding): Handle dwarf3 CIE format.
640         * unwind-dw2.c (extract_cie_info): Ditto.
641         (_Unwind_FrameState): Change retaddr_column to word type.
642
643 2004-05-20  Roger Sayle  <roger@eyesopen.com>
644
645         PR middle-end/3074
646         * fold-const.c (strip_compound_expr): Delete function.
647         (count_cond): Delete function.
648         (fold_binary_op_with_conditional_arg): Only perform transformations
649         "a + (b?c:d) -> b ? a+c : a+d" and "(b?c:d) + a -> b ? c+a : d+a"
650         when a is constant.  This greatly simplifies this routine.
651
652         * tree.c (saved_expr_p): Delete function.
653         * tree.h (saved_expr_p): Delete function prototype.
654
655 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
656
657         * common.opt (ftree-loop-optimize): Remove.
658
659 2004-05-20  Daniel Jacobowitz  <dan@debian.org>
660
661         * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET)
662         (NM_FOR_TARGET): Use := and $(shell).
663         (mainversion): Remove unused variable.
664
665 2004-05-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
666
667         * reorg.c (delete_from_delay_slot): If we have a barrier after the
668         sequence containing the insn to be deleted, always reemit it.
669
670 2004-05-20  Richard Henderson  <rth@redhat.com>
671
672         PR 15454
673         * tree-nested.c (get_chain_decl): Create a PARM_DECL by hand.
674         * function.c (expand_function_start): Expand static_chain_decl by hand.
675         * gimplify.c (create_tmp_var_name): Export.
676         * tree-gimple.h (create_tmp_var_name): Declare.
677
678 2004-05-20  Andrew Pinski  <pinskia@physics.uc.edu>
679
680         * rs6000.c (print_operand) <case 'z'>: Call
681         mark_decl_referenced before assemble_name.
682
683 2004-05-20  Zack Weinberg  <zack@codesourcery.com>
684
685         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
686         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
687         (cgraph_varpool_node): Hash on the pointer to the decl, not
688         the DECL_UID.  Fixes 64-bit bootstrap failure.
689
690 2004-05-20  Richard Earnshaw <rearnsha@arm.com>
691
692         * arm.md (ite_ne_zeroextractsi, ite_ne_zeroextractsi_shifted): Ensure
693         we don't earlyclobber operands used in the second insn.
694
695 2004-05-20  Steven Bosscher  <stevenb@suse.de>
696
697         * tree-mudflap.c: Formatting fixes.
698
699 2004-05-20  J"orn Rennecke <joern.rennecke@superh.com>
700
701         * Makefile.in (GTFILES): Add $(srcdir)/reload.h.
702         * gengtype.c (open_base_files): Include reload.h in ifiles.
703         * reload.h (reg_equiv_memory_loc_varray): Declare.
704         * reload1.c (reg_equiv_memory_loc_varray): New variable.
705         (init_reload): Initialize it.
706         (reload): Instead of freeing reg_equiv_memory_loc, 'grow'
707         reg_equiv_memory_loc_varray to size 0.
708         * ra.c (reg_alloc): Allocate reg_equiv_memory_loc by
709         growing reg_equiv_memory_loc_varray to the desired size.
710         * passes.c (rest_of_handle_old_regalloc): Likewise.
711         * reload.c: Amend comment on calling init_reload.
712
713 2004-05-20  Nick Clifton  <nickc@redhat.com>
714
715         * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Replace 'tramp'
716         with 'TRAMP' in the body of the macro definition.
717
718 2004-05-19  H.J. Lu  <hongjiu.lu@intel.com>
719
720         PR target/15383
721         * config/ia64/ia64.c (ia64_expand_compare): Don't check
722         TARGET_HPUX for TFmode compare. Abort if op0 is in TFmode and
723         cmptf_libfunc isn't set.
724         (ia64_init_libfuncs): Rename TFmode libfuncs using the HPUX
725         conventions.
726         (ia64_sysv4_init_libfuncs): New.
727
728         * config/ia64/sysv4.h (TARGET_INIT_LIBFUNCS): New. Defined as
729         ia64_sysv4_init_libfuncs.
730
731 2004-05-20  Falk Hueffner  <falk@debian.org>
732
733         PR other/15526
734         * libgcc2.c (__mulvsi3): Fix overflow test.
735
736 2004-05-19  Andrew Pinski  <pinskia@physics.uc.edu>
737
738         PR c/14171
739         * reg-stack.c (nan): Rename to ...
740         (not_a_num): Here.
741         (reg_to_stack): Rename nan to not_a_num.
742         (subst_stack_regs_pat): Likewise.
743         (convert_regs_entry): Likewise.
744         (convert_regs_1): Likewise.
745
746         * tree-cfg.c (find_case_label_for_value): Replace call to
747         simple_cst_equal with tree_int_cst_equal.
748
749 2004-05-19  Jeff Law <law@redhat.com>
750
751         * tree-into-ssa.c (prepare_operand_for_rename): New argument is_use.
752         If the operand is for a use, then strip away the SSA_NAME, do not
753         strip away the SSA_NAME for a set.  Never call release_ssa_name.
754         (mark_def_sites): Appropriately pass additional argument to
755         prepare_operand_for_rename.  If a VDEF_RESULT is not an SSA_NAME,
756         then set the VDEF_RESULT to the VDEF_OP.
757         (set_def_block): Strip away any SSA_NAME to get to the real
758         underlying variable.
759
760         * tree-ssa-phiopt.c (value_replacement): Handle the case where
761         the desired edge out of COND_BLOCK reaches OTHER_BLOCK rather than
762         BB directly.
763
764 2004-05-19  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
765
766         PR c++/15463
767         * loop-iv.c (iv_number_of_iterations):  Use trunc_int_for_mode on
768         result of inverse.
769
770         PR rtl-optimization/15274
771         * loop-iv.c (determine_max_iter, shorten_into_mode,
772         iv_number_of_iterations): Handle constants correctly.
773         * rtl.h (get_mode_bounds): Declaration changed.
774         * stor-layout.c (get_mode_bounds): Return a constant suitable for
775         the target mode.
776
777         PR rtl-optimization/14692
778         * loop-unswitch.c (may_unswitch_on): Try folding the result.
779         (unswitch_single_loop): Work correctly when may_unswitch_on
780         returns a folded constant.
781
782         * loop-iv.c (implies_p): Handle A < B ==> A + 1 <= B.
783         * simplify-rtx.c (simplify_const_relational_operation): Optimize
784         comparisons with mode bounds.
785
786         * function.c (struct temp_slot): Add new field prev.
787         (free_after_compilation, init_temp_slots): Free new fields.
788         (cut_slot_from_list, insert_slot_to_list,
789         temp_slots_at_level, max_slot_level, move_slot_to_level,
790         make_slot_available): New functions.
791         (assign_stack_temp_for_type, combine_temp_slots,
792         find_temp_slot_from_address, preserve_temp_slots,
793         preserve_rtl_expr_result, free_temp_slots,
794         free_temps_for_rtl_expr, pop_temp_slots): Work with
795         the new structure of lists.
796         (mark_all_temps_used): Removed.
797         * function.h (struct function): Field x_temp_slots
798         replaced by x_used_temp_slots and x_avail_temp_slots.
799         (temp_slots): Replaced by ...
800         (used_temp_slots, avail_temp_slots): New.
801         * tree.h (mark_all_temps_used): Declaration removed.
802
803         * loop-iv.c (mark_single_set, get_biv_step_1, iv_analyze,
804         simplify_using_assignment): Take the expression out of
805         the expr_list wrapper.
806
807         * loop-iv.c (iv_number_of_iterations): Improve clasification of
808         infinite loops.
809
810 2004-05-19  Roger Sayle  <roger@eyesopen.com>
811
812         * doc/tm.texi (TARGET_RTX_COSTS): Document that instruction
813         costs should be based on code size when optimizing for size.
814
815 2004-05-19  Paolo Bonzini  <bonzini@gnu.org>
816
817         * fold-const.c: Remove non-printable character 160.
818
819 2004-05-19  Nick Clifton  <nickc@redhat.com>
820
821         * doc/invoke.texi (ARM Options): Fix typo.
822         Remove descrption of -mshort-load-bytes and
823         -mno-short-load-bytes.
824
825         * config/ip2k/ip2k.c (ip2k_composite_xexp_not_uses_reg_p): Add
826         missing parenthesis.
827         * config/ip2k/ip2k.c (ip2k_unary_operator): Likewise.
828         * config/ip2k/ip2k.c (ip2k_binary_operator): Likewise.
829
830 2004-05-19  Steven Bosscher  <stevenb@suse.de>
831
832         * expr.c (store_constructor): Build loop start and end by hand
833         instead of via loop functions from stmt.c.
834         (expand_expr_real_1): Abort if we see an EXIT_EXPR or a LOOP_EXPR.
835         Remove the code to expand them.
836
837         * stmt.c (loop_stack): Remove this and everything related.
838         (struct nesting, enum nesting_desc): Update.
839         (expand_fixup): Likewise.
840         (expand_loop_start, expand_start_loop_continue_elsewhere,
841         expand_start_null_loop, expand_loop_continue_here, expand_end_loop,
842         expand_end_null_loop, expand_continue_loop, expand_exit_loop,
843         expand_exit_loop_if_false, expand_exit_loop_top_cond,
844         expand_exit_something): Remove.
845         * tree.h: Remove prototypes.
846
847 2004-05-18  Mike Stump  <mrs@apple.com>
848             Devang Patel  <dpatel@apple.com>
849
850         * doc/tm.texi (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument to indicate
851         if this label is for eh.
852         * config/darwin-protos.h (darwin_emit_unwind_label): Likewise.
853         * config/darwin.c (darwin_emit_unwind_label): Likewise.
854         * dwarf2out.c (output_call_frame_info): Likewise.
855         * output.h (default_emit_unwind_label): Likewise.
856         * target.h (unwind_label): Likewise.
857         * varasm.c (default_emit_unwind_label): Likewise.
858
859         * config/darwin.h (DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
860         DEBUG_FRAME_SECTION, DEBUG_INFO_SECTION, DEBUG_ABBREV_SECTION,
861         DEBUG_ARANGES_SECTION, DEBUG_MACINFO_SECTION, DEBUG_LINE_SECTION,
862         DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_STR_SECTION,
863         DEBUG_RANGES_SECTION): Define.
864
865 2004-05-18  Zack Weinberg  <zack@codesourcery.com>
866
867         * cgraph.c (hash_node, eq_node, cgraph_node, cgraph_remove_node)
868         (cgraph_varpool_hash_node, eq_cgraph_varpool_node)
869         (cgraph_varpool_node):
870         Use DECL_UID for the key, not DECL_ASSEMBLER_NAME.
871         (cgraph_function_possibly_inlined_p): Use the decl itself for
872         the key, not DECL_ASSEMBLER_NAME.
873         (change_decl_assembler_name): No need to muck with the hash tables.
874         (cgraph_node_for_identifier, cgraph_varpool_node_for_identifier):
875         Delete.
876         * cgraphunit.c (cgraph_mark_inline_edge): Use the decl itself
877         for the key, not DECL_ASSEMBLER_NAME.
878         * cgraph.h: Remove prototypes of deleted functions.
879         * varasm.c (mark_referenced): Just set TREE_SYMBOL_REFERENCED.
880         (mark_decl_referenced): New function.
881         * tree.h: Prototype mark_decl_referenced.
882         * final.c (output_addr_const) <case SYMBOL_REF>: Call
883         mark_decl_referenced before assemble_name.
884         * c-decl.c (finish_decl): Use mark_decl_referenced.
885
886 2004-05-18  Andrew Pinski  <pinskia@physics.uc.edu>
887             Jeff Law <law@redhat.com>
888
889         * tree-ssa-phiopt.c (abs_replacement): New function.
890         (empty_block_p): New function extracted from...
891         (candidate_bb_for_phi_optimization): Break out empty block test.
892         (conditional_replacement): Use empty_block_p.
893         (value_replacement): Similarly.
894
895         * Makefile.in (tree-ssa-phiopt.o): Depends on flags.h.
896         * tree-ssa-phiopt.c: Include flags.h.
897         (conditional_replacement): Remove argument names from prototype.
898         Minor formatting and comment fixes.
899         (tree_ssa_phiopt): If conditional_replacement returns false, then
900         call value_replacement.
901         (value_replacement): New function.
902
903 2004-05-18  Jeff Law  <law@redhat.com>
904
905         * tree-ssa-phiopt.c (replace_phi_with_stmt): New function extracted
906         from conditional_replacement.
907         (candidate_bb_for_phi_optimization): Similarly.
908         (conditional_replacement): Use replace_phi_with_stmt and
909         candidate_bb_for_phi_optimization.
910
911         * tree-ssa-phiopt.c: Fix various formatting issues.
912
913 2004-05-18  Steven Bosscher  <stevenb@suse.de>
914
915         * config/s390/s390.c (s390_expand_movstr, s390_expand_clrstr,
916         s390_expand_cmpmem): Do not use expand_start_loop and
917         expand_end_loop, instead build the loop manually.
918
919 2004-05-18  Alan Modra  <amodra@bigpond.net.au>
920
921         * config/rs6000/rs6000.md (ctrsi_internal3): Delete.
922         (ctrsi_internal4, ctrdi_internal3, ctrdi_internal4): Delete.
923
924 2004-05-17  Jeff Law  <law@redhat.com>
925
926         * toplev.h (flag_delete_null_pointer_checks): Move from here to...
927         * flags.h (flag_delete_null_pointer_checks): Here.
928         * tree-flow.h (cprop_into_successor_phis): Add argument to prototype.
929         * tree-phinodes.c (resize_phi_node): Initialize PHI_ARG_NONZERO.
930         (add_phi_arg, remove_phi_arg_num): Similarly.
931         * tree-ssa-copy.c (cprop_into_successor_phis): Propagate nonzero
932         property into PHI nodes.
933         * tree-ssa-dom.c: Remove redundant inclusion of flags.h.
934         (record_equivalences_from_phis): If all PHI arguments are known to be
935         nonzero, then the result must be nonzero as well.
936         (cprop_into_phis): Pass nonzero_vars bitmap to cprop_into_successor_phis.
937         (record_equivalences_from_stmt): Check flag_delete_null_pointer_checks
938         appropriately.  Walk the USE-DEF chains and propagate nonzero property
939         as appropriate.
940         * tree.h (PHI_ARG_NONZERO): Define.
941         (phi_arg_d): Add nonzero flag.
942
943 2004-05-17  Zack Weinberg  <zack@codesourcery.com>
944
945         * f: Entire directory removed
946
947         * c-common.h (CTI_G77_INTEGER_TYPE, CTI_G77_UINTEGER_TYPE)
948         (CTI_G77_LONGINT_TYPE, CTI_G77_ULONGINT_TYPE)
949         (g77_integer_type_node, g77_uinteger_type_node)
950         (g77_longint_type_node, or g77_ulongint_type_node): Delete.
951         * c-common.c (c_common_nodes_and_builtins): Do not initialize
952         the above set of variables.
953
954         * config/i386/uwin.h: No need to define WIN32_UWIN_TARGET.
955         * doc/invoke.texi, doc/standards.texi: Remove cross-references
956         to g77 manual.
957
958 2004-05-17  Steven Bosscher  <stevenb@suse.de>
959
960         PR tree-optimization/15438
961         * tree-ssa-operands.c (get_expr_operands): Do not treat malloc
962         attributed functions as pure or const.
963
964 2004-05-17  Frank Ch. Eigler  <fche@redhat.com>
965
966         * tree-mudflap.c (mx_register_decls): Tolerate decl trees resulting
967         from source code with errors.
968
969 2004-05-17  Ranjit Mathew  <rmathew@hotmail.com>
970
971         Enable tree browser for all front ends.
972         * Makefile.in (cc1): Moved @TREEBROWSER@ from here...
973         (BACKEND): ...to here.
974
975 2004-05-17  Jan Hubicka  <jh@suse.cz>
976
977         * i386.c (construct_container): Do not produce BLKmode registers.
978         (classify_argument): Properly compute alignment of complex types.
979
980 2004-05-17  H.J. Lu  <hongjiu.lu@intel.com>
981
982         PR target/15084
983         * config/i386/i386.md (*movsi_insv_1_rex64): Changed to DImode
984         and renamed to movdi_insv_1_rex64.
985         (insv): Support SImode for 32bit and DImode for 64bit.
986
987 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
988
989         * config/mips/mips.h (MASK_DEBUG_G, TARGET_DEBUG_G_MODE): Delete.
990         (TARGET_SWITCHES): Remove debugg.
991         * config/mips/mips.md (adddi3, ashldi3, ashrdi3, lshrdi3): Only handle
992         TARGET_64BIT.
993         (subdi3): Replace the define_expand with a define_insn, the latter
994         renamed from subdi3_internal_3.
995         (negdi2): Likewise negdi2_internal_2.
996         (adddi3_internal_[12], subdi3_internal, ashldi3_internal{,2,3})
997         (ashrdi3_internal{,2,3}, lshrdi3_internal{,2,3}): Remove patterns
998         and associated define_splits.
999         (adddi3_internal): Renamed from adddi3_internal_3.
1000         (ashldi3_internal): Likewise ashldi3_internal4.
1001         (ashrdi3_internal): Likewise ashrdi3_internal4.
1002         (lshrdi3_internal): Likewise lshrdi3_internal4.
1003
1004 2004-05-17  Richard Sandiford  <rsandifo@redhat.com>
1005
1006         * optabs.c (expand_unop): Try implementing negation using subtraction
1007         from zero.
1008
1009 2004-05-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1010
1011         * pa.md:  Fix typo from last change.  Remove DFmode move to and from
1012         SAR register.
1013
1014 2004-05-16  Richard Earnshaw  <rearnsha@arm.com>
1015
1016         PR target/10982
1017         * arm.md (ne_zeroextractsi): Convert to insn-and-split.
1018         (ne_zeroextractsi_shifted): New pattern.
1019         (ite_ne_zeroextractsi): New pattern.
1020         (ite_ne_zeroextractsi_shifted): New pattern.
1021
1022 2004-05-15  Steven Bosscher  <stevenb@suse.de>
1023
1024         * c-gimplify.c (c_genericize):
1025         Replace calls via (*lang_hooks.foo) with lang_hooks.foo.
1026         * c-parse.in <expr_no_commas>: Likewise.
1027         <if_prefix>: Likewise.
1028         <select_or_iter_stmt>: Likewise.
1029         * expr.c (expand_var, expand_expr_real_1): Likewise.
1030         * expr.h (expand_expr): Make it a static inline function.
1031         Move prototype for expand_expr_real up before this.
1032         * fold-const.c (fold_relational_hi_lo, fold_relational_const):
1033         Likewise.
1034         * gimplify.c (gimple_boolify, gimplify_addr_expr,
1035         gimplify_asm_expr, gimplify_expr): Likewise.
1036         * tree-cfg.c (dump_tree_cfg, dump_cfg_stats, tree_cfg2vcg,
1037         dump_function_to_file): Likewise.
1038         * tree-dfa.c (dump_immediate_uses, dump_dfa_stats): Likewise.
1039         * tree-inline.c (remap_block, save_body, walk_tree): Likewise.
1040         * tree-into-ssa.c (dump_tree_ssa): Likewise.
1041         * tree-mudflap.c (mf_varname_tree, mf_file_function_line_tree):
1042         Likewise.
1043         * tree-optimize.c (execute_one_pass): Likewise.
1044         * tree-pretty-print.c (dump_generic_bb_buff): Likewise.
1045         * tree-ssa-alias.c (dump_alias_stats, dump_alias_info): Likewise.
1046
1047         * objc/objc-act.c (objc_build_try_enter_fragment,
1048         objc_build_try_epilogue, objc_build_catch_stmt,
1049         objc_build_finally_prologue): Replace calls via (*lang_hooks.foo)
1050         with lang_hooks.foo ().
1051
1052 2004-05-15  Roger Sayle  <roger@eyesopen.com>
1053
1054         * builtins.c (simplify_builtin_strcpy): Avoid use of chainon, so
1055         that simplify_builtin doesn't destructively modify its argument.
1056
1057 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
1058
1059         * arm/lib1funcs.asm (_lshrdi3, _ashrdi3, _ashldi3): Add ASM
1060         implementations for ARM and Thumb.
1061         * arm/t-arm-elf (LIB1ASMFUNCS): Use them.
1062
1063 2004-05-15  Thomas Quinot  <quinot@act-europe.fr>
1064
1065         * prefix.c (update_path): Replace PREFIX with KEY only
1066         when it matches a full directory name in PATH.
1067
1068 2004-05-15  Richard Earnshaw  <reanrsha@arm.com>
1069
1070         * arm.h (TARGET_APCS_32): Delete.
1071         (TARGET_MMU_TRAPS): Delete.
1072         (TARGET_CPU_CPP_BUILTINS): Unconditionally define __APCS_32__.  Never
1073         define __APCS_26__.
1074         (CPP_SPEC): Remove checking of -mapcs-{26,32}.
1075         (ARM_FLAG_APCS_32, ARM_FLAG_MMU_TRAPS): Delete.
1076         (TARGET_SWITCHES): Remove alignment_traps and apcs-{26,32} switches.
1077         (prog_mode_type): Delete.
1078         (PROMOTE_MODE): Always promote unsigned for HImode.
1079         (SECONDARY_INPUT_RELOAD_CLASS): Simplify.
1080         (MASK_RETURN_ADDR): Simplify.
1081         * arm.c (arm_prgmode): Delete.
1082         (arm_override_options, arm_gen_rotated_half_load): Simplify.
1083         (print_multi_reg, output_return_instruction): Simplify.
1084         (arm_output_epilogue, arm_final_prescan_insn): Simplify.
1085         (arm_return_addr): Simplify.
1086         * arm.md (prog_mode): Delete.
1087         (conds): Simplify.
1088         (zero_extendhisi2, extendhisi2, movhi, movhi_bytes): Simplify.
1089         (rotated_loadsi, movhi_insn_littleend, movhi_insn_bigend): Delete.
1090         (loadhi_si_bigend, loadhi_preinc, loadhi_shiftpreinc): Delete.
1091         (loadhi_shiftpredec): Delete.
1092         (peephole for post-increment on HImode load): Delete.
1093         * arm/crtn.asm: (FUNC_END): Simplify.
1094         * arm/lib1funcs.asm: Remove APCS-26 return macros.
1095         * arm/aof.h, arm/coff.h arm/elf.h arm/linux-elf.h arm/netbsd-elf.h
1096         * arm/netbsd.h arm/pe.h arm/semi.h arm/semiaof.h arm/unknown-elf.h
1097         * arm/vxworks.h arm/wince-pe.h: Tidy TARGET_DEFAULTS and
1098         MULTILIB_DEFAULTS as required.
1099         * arm/t-arm-elf arm/t-linux arm/t-pe arm/t-semi arm/t-wince-pe
1100         * arm/t-xscale-coff arm/t-xscale-elf arm/uclinux-elf: Tidy MULTILIB
1101         variables as required.
1102         * doc/invoke.texi (ARM Options): Remove obsolete flags.
1103
1104 2004-05-15  Alan Modra  <amodra@bigpond.net.au>
1105
1106         * config/rs6000/rs6000.c (rs6000_va_arg <ABI_V4>): Don't use
1107         UNITS_PER_WORD to calculate gpr size.  Re-instate code to set reg
1108         count to 8 to handle n_reg > 2.
1109
1110 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
1111
1112         * doc/extend.texi: Update WG14 URL.
1113
1114 2004-05-15  Steven Bosscher  <stevenb@suse.de>
1115
1116         * basic-block.h (life_analysis, delete_noop_moves):
1117         Update prototypes.
1118         * bt-load.c (branch_target_load_optimize): Don't take the
1119         insns stream as an argument.  Update the life_analysis calls.
1120         * combine.c (combine_instructions): Update delete_noop_moves
1121         calls.
1122         * flow.c (notice_stack_pointer_modification): Don't take the
1123         insns stream as an argument.  Work on the flow graph.
1124         (life_analysis): Likewise.
1125         (delete_noop_moves): Likewise.
1126         * passes.c (rest_of_handle_stack_regs): Update reg_to_stack call.
1127         (rest_of_handle_life): Update life_analysis call.
1128         (rest_of_compilation): Likewise, and also update
1129         branch_target_load_optimize call.
1130         * ra.c (reg_alloc): Update life_analysis call.
1131         * reg-stack.c (reg_to_stack): Likewise.  Also, don't take
1132         the insns stream as an argument.
1133         * regrename.c (copyprop_hardreg_forward): Update delete_noop_moves
1134         call.
1135         * rtl.c (branch_target_load_optimize, reg_to_stack): Update
1136         prototypes.
1137         * value-profile.c (branch_prob): Update life_analysis call.
1138         * web.c (web_main): Work on the CFG, not on the insns stream.
1139
1140         * config/ip2k/ip2k.c (ip2k_reorg): Update life_analysis calls.
1141         * config/m68hc11/m68hc11.c (m68hc11_reorg): Likewise.
1142         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1143
1144 2004-05-15  Joseph S. Myers  <jsm@polyomino.org.uk>
1145
1146         PR c/15444
1147         * c-format.c (avoid_dollar_number): New function.
1148         (check_format_info_main): Call avoid_dollar_number when operand
1149         numbers might occur but has_operand_number == 0.
1150
1151 2004-05-14  Richard Earnshaw  <rearnsha@arm.com>
1152
1153         * arm.md (all peephole2 patterns): Use predicates that validate
1154         register classes as appropriate.
1155
1156 2004-05-14  Steven Bosscher  <stevenb@suse.de>
1157
1158         PR opt/14472
1159         * tree-tailcall.c (process_assignment): Use STRIP_NOPS to
1160         ignore type conversions that do not inhibit tail calling.
1161         (find_tail_calls): Likewise.
1162
1163 2004-05-14  Jeff Law  <law@redhat.com>
1164
1165         * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't even
1166         bother marking bypassed virtuals for out-of-ssa.  Instead merge
1167         bypassed virtuals into vars_to_rename just before into-ssa pass.
1168
1169         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Reorganize
1170         so that it picks up more opportunities to eliminate ABS expressions
1171         or turn them into negations.
1172
1173 2004-05-14  Steven Bosscher  <stevenb@suse.de>
1174
1175         * passes.c (rest_of_handle_null_pointer): Remove.
1176         (rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
1177         (rest_of_compilation): Likewise.
1178         * rtl.h (delete_null_pointer_checks): Remove prototype.
1179         * gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
1180         Remove declarations.
1181         (get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
1182         compute_kill_rd, compute_rd, alloc_avail_expr_mem,
1183         free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
1184         expr_reaches_here_p, computing_insn, def_reaches_here_p,
1185         can_disregard_other_sets, handle_avail_expr, classic_gcse,
1186         one_classic_gcse_pass, invalidate_nonnull_info,
1187         delete_null_pointer_checks_1, delete_null_pointer_checks,
1188         expr_reached_here_p_work): Remove.
1189         (gcse_main): Do not perform classic GCSE when optimizing for size.
1190         (alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
1191         are never used.
1192
1193 2004-05-14  Andrew Pinski  <pinskia@physics.uc.edu>
1194
1195         PR optimization/14466
1196         * tree-complex.c (make_temp): Remove.
1197         (gimplify_val): Replace make_temp with make_rename_temp
1198         and add NULL as the second argument.
1199         (expand_complex_div_wide): Likewise.
1200         * tree-dfa.c (make_rename_temp): New function.
1201         * tree-flow.h (make_rename_temp): Declare.
1202         * tree-sra.c (make_temp): Remove.
1203         (lookup_scalar): Replace make_temp with make_rename_temp.
1204         (create_scalar_copies): Likewise.
1205         * tree-ssa-phiopt.c (conditional_replacement): When we
1206         get non gimple create a temporary variable to hold the
1207         casted expression.
1208
1209 2004-05-14  Paul Brook  <paul@codesourcery.com>
1210
1211         * stor-layout.c (update_alignment_for_field): Use
1212         targetm.align_anon_bitfield.
1213         * target-def.h (TARGET_ALIGN_ANON_BITFIELD): Define.
1214         (TARGET_INITIALIZER): Use it.
1215         * target.h (struct gcc_target): Add align_anon_bitfield.
1216         * config/arm/arm.c (arm_align_anon_bitfield):  New function.
1217         (TARGET_ALIGN_ANON_BITFIELD): Define.
1218         * doc/tm.texi: Document TARGET_ALIGN_ANON_BITFIELD.
1219
1220 2004-05-13  Zack Weinberg  <zack@codesourcery.com>
1221
1222         * tree.def (documentation): Remove mention of class 'b'.
1223         (BLOCK): Now in class 'x'.
1224         * c-common.c (verify_tree): Remove case 'b'.
1225         * c-typeck.c (same_translation_unit_p): Change 'b' to 'x'.
1226         * calls.c (calls_function_1): Control cannot get past the switch
1227         when exp is a BLOCK.
1228         * print-tree.c (print_node): Move code for class 'b' to the class
1229         'c'/'x' switch, as case BLOCK.
1230         * tree.c (tree_size, make_node_stat, tree_node_structure): Likewise.
1231         (unsafe_for_reeval, substitute_placeholder_in_expr)
1232         (stabilize_reference_1): Remove case 'b'.
1233         * tree-browser.c (browse_tree): Change all tests for TREE_CODE_CLASS
1234         of something being 'b' to tests for TREE_CODE of something being
1235         BLOCK.
1236         * tree-ssa-operands.c (get_expr_operands): Likewise.
1237
1238 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
1239
1240         * tree-gimple.c: Rename from tree-simple.c.
1241         * tree-gimple.h: Rename from tree-simple.h.
1242         * c-gimplify.c: Rename from c-simplify.c
1243         * Makefile.in, c-decl.c, gimple-low.c, gimplify.c,
1244         langhooks.c, tree-alias-ander.c, tree-alias-common.c,
1245         tree-complex.c, tree-dfa.c, tree-flow.h, tree-inline.c,
1246         tree-into-ssa.c, tree-iterator.c, tree-mudflap.c,
1247         tree-nested.c, tree-nomudflap.c, tree-outof-ssa.c, tree-sra.c,
1248         tree-ssa-alias.c, tree-ssa-ccp.c, tree-ssa-copyrename.c,
1249         tree-ssa-dce.c, tree-ssa-live.c, tree-ssa-pre.c, tree-ssa.c:
1250         Update.
1251
1252 2004-05-14  Ranjit Mathew  <rmathew@hotmail.com>
1253
1254         * doc/sourcebuild.texi: Mention libbanshee and libmudflap.
1255
1256 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
1257
1258         * tree-ssa.c (delete_tree_ssa): XFREE
1259         bitmaps allocated with BITMAP_XMALLOC.
1260
1261         * tree-ssa-pre.c (execute_pre): Free ephi_use_pool and
1262         idfs_cache at the end of the function.
1263
1264         * tree-ssa-live.c (calculate_live_on_entry): Free saw_def
1265         at the end of the function.
1266
1267         * tree-ssa-dce.c (perform_tree_ssa_dce): Free
1268         el at the end of the function.
1269
1270         * tree-into-ssa.c (insert_phi_nodes_for): XFREE
1271         bitmaps allocated with BITMAP_XMALLOC.
1272
1273         * loop-unswitch.c (unswitch_single_loop): Free bbs at
1274         the end.
1275
1276         * final.c (shorten_branches): Free uid_shuid before
1277         reallocating it.
1278
1279         * bb-reoder.c (connect_traces): Free cold_traces at the end.
1280
1281 2004-05-13  Jeff Law  <law@redhat.com>
1282
1283         * tree-ssa-live.c (calculate_live_on_entry): Ignore virtual
1284         variables.  Simplify slightly by using USE_OP/DEF_OP instead
1285         of USE_OP_PTR/DEF_OP_PTR and dereferencing the result.
1286
1287         * tree-into-ssa.c (compute_global_livein): Use EXECUTE_IF_SET_IN_BITMAP
1288         rather than iterating through the blocks testing each bit in
1289         livein to initialize the worklist.
1290         (mark_def_sites): Remove useless checks of KILLS for virtual
1291         operands.
1292
1293         * tree-ssa-forwprop.c (record_single_argument_cond_exprs): Accept
1294         new parameters for the statement and variable worklist as well
1295         as a bitmap of interesting SSA_NAMEs.  Walk over the statement
1296         worklist recording interesting variables in the variable worklist
1297         and bitmap.  Handle casts between integral and boolean types.
1298         (substitute_single_use_vars): Accept new parameters for the statement
1299         and variable worklist.  When a substitution is made add a new
1300         entry to the statement worklist.  Handle casts between integral
1301         and boolean types.
1302         (tree_ssa_forward_propagate_single_use_vars): Rework to pass
1303         worklists to children.  Iterate until the statement worklist
1304         is empty.
1305
1306 2004-05-13  Andrew Pinski  <pinskia@physics.uc.edu>
1307
1308         * tree-outof-ssa.c (rewrite_vars_out_of_ssa): Free map at
1309         the end of the block.
1310
1311         * tree-into-ssa.c (def_blocks_free): XFREE bitmaps allocated
1312         with BITMAP_XMALLOC.
1313
1314         * tree-ssa-alias.c (delete_alias_info): XFREE bitmaps allocated
1315         with BITMAP_XMALLOC.
1316
1317         * tree-ssa-dom.c (tree_ssa_dominator_optimize):
1318         Free nonzero_vars at the end of the function.
1319
1320         * convert.c (convert_to_integer): Make a CONVERT_EXPR when there is a
1321         need to generate code instead of a NOP_EXPR.
1322
1323 2004-05-13  Ian Lance Taylor  <ian@wasabisystems.com>
1324
1325         * gcc.c (default_compilers): Fill out initializers for new Fortran
1326         entries.
1327
1328 2004-05-13  Paul Brook  <paul@codesourcery.com>
1329
1330         * config/arm/arm.h (PCC_BITFIELD_TYPE_MATTERS): Define.
1331
1332 2004-05-13  Paul Brook  <paul@codesourcery.com>
1333
1334         * config/arm/arm.c (arm_default_short_enums): New function.
1335         (TARGET_DEFAULT_SHORT_ENUMS): Define.
1336
1337 2004-05-13  Diego Novillo  <dnovillo@redhat.com>
1338
1339         Merge from tree-ssa-20020619-branch.
1340
1341         * Makefile.in (reload1.o-warn): Add.
1342         (tree-alias-ander.o-warn): Add.
1343         (GMPLIBS): Define.
1344         (GMPINC): Define.
1345         (BANSHEELIB): Define.
1346         (BANSHEEINC): Define.
1347         (TREE_DUMP_H): Define.
1348         (TREE_SIMPLE_H): Define.
1349         (TREE_FLOW_H): Define.
1350         (LIBDEPS): Add BANSHEELIB.
1351         (INCLUDES): Add BANSHEEINC and GMPINC.
1352         (C_AND_OBJC_OBJS): Add c-simplify.o, tree-mudflap.o,
1353         c-mudflap.o and c-pretty-print.o.
1354         (C_OBJS): Remove c-pretty-print.o.
1355         (OBJS-common): Remove sibcall.o.
1356         Add tree-cfg.o, tree-dfa.o, tree-eh.o,
1357         tree-ssa.o, tree-optimize.o, tree-simple.o,
1358         tree-alias-type.o, gimplify.o, tree-pretty-print.o,
1359         tree-into-ssa.o, tree-outof-ssa.o, tree-alias-common.o,
1360         tree-ssa-ccp.o, @ANDER@, tree-ssa-dce.o, tree-ssa-copy.o,
1361         tree-nrv.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
1362         tree-ssa-live.o, tree-ssa-operands.o, tree-ssa-alias.o,
1363         tree-ssa-phiopt.o, tree-ssa-forwprop.o, tree-nested.o,
1364         tree-ssa-dse.o, tree-ssa-dom.o, domwalk.o,
1365         tree-tailcall.o, gimple-low.o, tree-iterator.o,
1366         tree-phinodes.o, tree-ssanames.o, tree-sra.o,
1367         tree-complex.o, tree-ssa-loop.o, rtl-profile.o and
1368         tree-profile.o.
1369         (OBJC-archive): Add tree-nomudflap.o.
1370         (cc1): Add dependency on @TREEBROWSER@.
1371         (c-decl.o): Add dependency on TREE_DUMP_H.
1372         (c-dump.o): Likewise.
1373         (c-common.o): Add dependency on tree-iterator.h
1374         (c-pretty-print.o): Add dependency on DIAGNOSTIC_H.
1375         (gtype-desc.o): Add dependency on TREE_FLOW_H.
1376         (tree.o): Add dependency on tree-iterator.h,
1377         BASIC_BLOCK_H and TREE_FLOW_H.
1378         (tree-dump.o): Depend on TREE_DUMP_H instead of tree-dump.h.
1379         (langhooks.o): Add dependency on TREE_SIMPLE_H.
1380         (tree-alias-type.o, tree-alias-ander.o,
1381         tree-alias-common.o, tree-ssa.o, tree-into-ssa.o,
1382         tree-outof-ssa.o, tree-ssa-dse.o, tree-ssa-forwprop.o,
1383         tree-ssa-phiopt.o, tree-nrv.o, tree-ssa-copy.o,
1384         tree-ssa-dom.o, tree-ssanames.o, tree-phinodes.o,
1385         domwalk.o, tree-ssa-live.o, tree-ssa-copyrename.o,
1386         tree-ssa-pre.o, tree-cfg.o, tree-tailcall.o,
1387         tree-nested.o, tree-iterator.o, tree-dfa.o,
1388         tree-ssa-operands.o, tree-eh.o, tree-ssa-loop.o,
1389         tree-ssa-alias.o, tree-optimize.o, c-simplify.o,
1390         gimplify.o, gimple-low.o, tree-browser.o, tree-simple.o,
1391         tree-mudflap.o, c-mudflap.o, tree-nomudflap.o,
1392         tree-pretty-print.o, tree-ssa-dce.o, tree-ssa-ccp.o,
1393         tree-sra.o, tree-complex.o, tree-profile.o,
1394         rtl-profile.o): New rules.
1395         (function.o): Add dependency on basic-block.h
1396         (expr.o): Add dependency on tree-iterator.h.
1397         (sibcall.o): Remove.
1398         (profile.o): Depend on TREE_FLOW_H instead of TREE_H.
1399         (cfg.o): Add dependency on TIMEVAR_H.
1400         (cfghooks.o): Add dependency on TREE_FLOW_H.
1401         (reg-stack.o): Add dependency on basic-block.h.
1402         (GTFILES): Add hwint.h, tree-mudflaph.c, tree-flow.h,
1403         c-objc-common.c, c-common.c, c-parse.in, tree-ssanames.c,
1404         tree-eh.c, tree-phinodes.c, tree-cfg.c, tree-dfa.c,
1405         tree-ssa-ccp.c, tree-iterator.c, gimplify.c,
1406         tree-alias-type.h, tree-alias-common.h,
1407         tree-alias-type.c, tree-alias-common.c,
1408         tree-ssa-operands.h, tree-ssa-operands.c, tree-profile.c,
1409         rtl-profile.c and tree-nested.c.
1410         (gt-tree-alias-common.h, gt-tree-mudflap.h,
1411         gt-tree-ssa-ccp.h, gt-tree-eh.h, gt-tree-ssanames.h,
1412         gt-tree-iterator.h, gt-gimplify.h, gt-tree-phinodes.h,
1413         gt-tree-cfg.h, gt-tree-nested.h): New rules.
1414         (TEXI_GCCINT_FILES): Add cfg.texi and tree-ssa.texi.
1415         * basic-block.h: Include predict.h
1416         (struct edge_def): Add GTY marker.
1417         Change field 'insns' to be a union of tree and rtx.
1418         (EDGE_TRUE_VALUE): Define.
1419         (EDGE_FALSE_VALUE): Define.
1420         (EDGE_EXECUTABLE): Define.
1421         (struct bb_ann_d): Forward declare.
1422         (struct basic_block_def): Add GTY marker.
1423         Remove fields head_tree and end_tree.
1424         Add fields stmt_list, rbi and tree_annotations.
1425         (struct reorder_block_def): Define.
1426         (basic_block_info): Add GTY marker.
1427         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Change to global
1428         variables instead of macros.
1429         (flow_call_edges_add): Remove declaration.
1430         (make_eh_edge): Remove declaration.
1431         (brief_dump_cfg, find_edge, tree_predicted_by_p,
1432         rtl_predicted_by_p, tree_predict_edge, rtl_predict_edge,
1433         predict_edge_def, rtl_make_eh_edge, find_basic_blocks,
1434         cleanup_cfg, delete_unreachable_blocks, merge_seq_blocks,
1435         alloc_rbi_pool, initialize_bb_rbi, free_rbi_pool): Declare.
1436         (try_redirect_by_replacing_jump): Modfiy return type to
1437         edge instead of bool.
1438         * bb-reorder.c (copy_bb): Call duplicate_block
1439         instead of cfg_layout_duplicate_bb.
1440         (copy_bb_p): Call can_duplicate_block_p instead of
1441         cfg_layout_can_duplicate_bb_p.
1442         * bitmap.c (bitmap_first_set_bit): Abort if word
1443         wasn't found.
1444         (bitmap_last_set_bit): Likewise.
1445         * builtin-types.def (DEF_FUNCTION_TYPE_2): Add
1446         (DEF_FUNCTION_TYPE_3): Add.
1447         * builtins.c (c_strlen): Make extern.
1448         (builtin_save_expr): New.
1449         (expand_builtin_nonlocal_goto): New.
1450         (expand_builtin_constant_p): Remove.
1451         (expand_builtin_mathfn): Call builtin_save_expr instead
1452         of save_expr.
1453         (expand_builtin_mathfn_2): Likewise.
1454         (expand_builtin_strcmp): Likewise.
1455         (expand_builtin_strncmp): Likewise.
1456         (expand_builtin_strcat): Likewise.
1457         (fold_builtin_cabs): Likewise.
1458         (expand_builtin_alloca): Don't trigger if -fmudflap is
1459         given.
1460         (build_string_literal): Set TREE_INVARIANT on new node.
1461         (expand_builtin_profile_fun): New.
1462         (round_trampoline_addr): New.
1463         (expand_builtin_init_trampoline): New.
1464         (expand_builtin_adjust_trampoline): New.
1465         (expand_builtin) <BUILT_IN_NEXT_ARG>: Call simplify_builtin_next_arg.
1466         <BUILT_IN_CONSTANT_P>: Return const0_rtx;
1467         <BUILT_IN_STACK_ALLOC, BUILT_IN_STACK_SAVE,
1468         BUILT_IN_STACK_RESTORE, BUILT_IN_NONLOCAL_GOTO,
1469         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT,
1470         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE>:
1471         Handle.
1472         (fold_builtin_expect): New.
1473         (fold_builtin_isascii): Don't return non-constant results
1474         in GIMPLE form.
1475         (fold_builtin_isdigit): Likewise.
1476         (fold_builtin_1): New.
1477         (fold_builtin): Call it.
1478         (build_function_call_expr): Update call to build a new
1479         CALL_EXPR.
1480         (purge_builtin_constant_p): Remove.
1481         (simplify_builtin, simplify_builtin_memcmp,
1482         simplify_builtin_strcmp, simplify_builtin_strncmp,
1483         simplify_builtin_strpbrk, simplify_builtin_strstr,
1484         simplify_builtin_strchr, simplify_builtin_strrchr,
1485         simplify_builtin_strcat, simplify_builtin_strncat,
1486         simplify_builtin_strspn, simplify_builtin_strcspn,
1487         simplify_builtin_next_arg, simplify_builtin_va_start,
1488         simplify_builtin_sprintf): New.
1489         * builtins.def (BUILT_IN_STACK_ALLOC,
1490         BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE,
1491         BUILT_IN_INIT_TRAMPOLINE, BUILT_IN_ADJUST_TRAMPOLINE,
1492         BUILT_IN_NONLOCAL_GOTO, BUILT_IN_PROFILE_FUNC_ENTER,
1493         BUILT_IN_PROFILE_FUNC_EXIT): Define.
1494         * c-common.c: Include tree-iterator.h and hashtab.h.
1495         (lang_statement_code_p): Declare.
1496         (lang_gimplify_stmt): Declare.
1497         (fix_string_type): Set TREE_INVARIANT for value.
1498         (pointer_int_sum): Rely on build to set TREE_CONSTANT.
1499         (c_type_hash): New.
1500         (c_common_get_alias_set): Handle multiple type nodes
1501         referring to "the same" type, currently for C90 only.
1502         (c_add_case_label): Use create_artificial_label.
1503         (finish_label_address_expr): Don't set TREE_CONSTANT on
1504         result.
1505         (c_expand_expr): Don't handle STMT_EXPR.
1506         (handle_alias_attribute): Marke aliased variables to be
1507         TREE_STATIC.
1508         (handle_nonnull_attribute): Initialize arg_num.
1509         (check_function_nonnull): Likewise.
1510         (c_walk_subtrees): New.
1511         (c_estimate_num_insns_1): Don't handle
1512         EXPR_WITH_FILE_LOCATION nor FILE_STMT.
1513         (c_decl_uninit_1): Remove.
1514         (c_decl_uninit): Remove.
1515         (c_warn_unused_result): New.
1516         * c-common.def (ASM_STMT): Change number of operands
1517         to 4.
1518         (FILE_STMT): Remove.
1519         * c-common.h (lang_expand_stmt, lang_expand_decl_stmt):
1520         Remove.
1521         (lang_gimplify_stmt): Add.
1522         (expand_stmt): Remove.
1523         (ASM_CV_QUAL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
1524         ASM_CLOBBERS, STMT_EXPR_WARN_UNUSED_RESULT,
1525         ASM_VOLATILE_P, FILE_STMT_FILENAME_NODE,
1526         FILE_STMT_FILENAME, STMT_LINENO, STMT_LINENO_FOR_FN_P,
1527         ASM_INPUT_P, DECL_C_HARD_REGISTER): Remove.
1528         (genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
1529         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
1530         genrtl_while_stmt, genrtl_do_stmt, genrtl_return_stmt,
1531         genrtl_for_stmt, genrtl_break_stmt, genrtl_continue_stmt,
1532         genrtl_scope_stmt, genrtl_switch_stmt, genrtl_case_label,
1533         genrtl_compound_stmt, genrtl_asm_stmt,
1534         genrtl_cleanup_stmt, c_decl_uninit): Remove.
1535         (c_do_switch_warnings, c_gimplify_expr, c_walk_subtrees,
1536         c_tree_chain_matters_p, c_warn_unused_result,
1537         c_genericize, c_gimplify_stmt, stmt_expr_last_stmt):
1538         Declare.
1539         * c-convert.c (convert): Make convert work when
1540         converting to compatible types across translation unit.
1541         * c-decl.c: Include langhooks.h, tree-mudflap.h,
1542         tree-simple.h, diagnostic.h and tree-dump.h
1543         (merge_decls): Initialize oldtype to NULL.
1544         (finish_decl): Use DECL_HARD_REGISTER instead of
1545         DECL_C_HARD_REGISTER.
1546         (check_bitfield_type_and_width): Check for null
1547         lang_type_specific when check the precision of an enum.
1548         (grokdeclarator): Immediately layout an ARRAY_TYPE used
1549         in a pointer-to-array declarator.
1550         (finish_struct): Clear allocated struct lang_type.
1551         (finish_enum): Set enum_min and enum_max.  Set
1552         TYPE_MIN/MAX_VALUE to the limits of the compatible type,
1553         not to the enumerators.
1554         (set_decl_nonlocal): New.
1555         (store_parm_decls): Use it via walk_tree.
1556         (c_finalize): New.
1557         (finish_function): When !targetm.have_ctors_dtors,
1558         record static constructors and destructors here...
1559         (c_expand_body_1): ... not here.
1560         (c_expand_decl): Rename from c_expand_decl_stmt.
1561         Handle all C-specific expansion semantics.
1562         * c-dump.c (dump_stmt): Use EXPR_LOCUS instead of
1563         STMT_LINENO.
1564         * c-format.c (handle_format_arg_attribute): Initialize
1565         format_num.
1566         * c-lang.c: Include tree-inline.h
1567         (LANG_HOOKS_EXPAND_DECL,
1568         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1569         LANG_HOOKS_TREE_INLINING_WALK_SUBTREES,
1570         LANG_HOOKS_TREE_INLINING_TREE_CHAIN_MATTERS_P,
1571         LANG_HOOKS_GIMPLIFY_EXPR, LANG_HOOKS_TYPES_COMPATIBLE_P): Define.
1572         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_STMT,
1573         LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS): Remove.
1574         (c_types_compatible_p): New.
1575         * c-mudflap.c: New file.
1576         * c-objc-common.c: Include tree-mudflap.h
1577         (start_cdtor, finish_cdtor): Collapse
1578         together into
1579         (build_cdtor): ...here.  Update to construct a complete tree
1580         for the function.  No need to call push_scope, pop_scope, or
1581         clear_last_expr, or set current_function_cannot_inline.
1582         (c_missing_noreturn_ok_p): Change prototype to return
1583         bool.
1584         (c_objc_common_init): Don't set lang_missing_noreturn_ok_p.
1585         * c-opts.c (c_common_handle_option): Move handling of -fdump- to
1586         opts.c.
1587         (c_common_post_options): Don't ever use rtl inlining.
1588         * c-parse.in: Use EXPR_LOCUS instead of STMT_LINENO.
1589         * c-pragma.c (handle_pragma_redefine_extname): Define
1590         always.
1591         (init_pragma): Activate #pragma redefine_extname for mudflap.
1592         * c-pretty-print.c (pp_c_statement): Remove FILE_STMT.
1593         (pp_c_initializer): Accept any type CONSTRUCTOR.
1594         (pp_c_initializer_list): Fix code expectations for VECTOR_TYPE and
1595         COMPLEX_TYPE.
1596         (decl_name_str): New local function.
1597         (pp_c_direct_declarator): Call it.
1598         (pp_c_primary_expression): Call it.
1599         (pp_c_id_expression): Call it.
1600         (pp_c_statement): Call it.
1601         (print_c_tree): Create new pp object.
1602         * c-pretty-print.h (pp_c_tree_decl_identifier,
1603         print_c_tree): Declare.
1604         * c-semantics.c: Include langhooks.h
1605         (lang_expand_stmt, lang_expand_decl_stmt,
1606         find_reachable_label_1, find_reachable_label,
1607         expand_unreachable_if_stmt, expand_unreachable_stmt,
1608         genrtl_do_stmt_1): Remove.
1609         (begin_stmt_tree): Don't check for changed filename.
1610         Call annotate_with_locus.
1611         (finish_stmt_tree): Don't set line for end of function.
1612         (build_stmt): Don't check type nodes for
1613         side effects.
1614         (build_stmt): Set TREE_SIDE_EFFECTS.
1615         Set EXPR_LOCUS instead of STMT_LINENO.
1616         (lang_expand_stmt, lang_expand_decl_stmt,
1617         expand_cond, genrtl_do_pushlevel, genrtl_goto_stmt, genrtl_expr_stmt,
1618         genrtl_expr_stmt_value, genrtl_decl_stmt, genrtl_if_stmt,
1619         genrtl_while_stmt, genrtl_do_stmt_1, genrtl_do_stmt,
1620         genrtl_return_stmt, genrtl_for_stmt, genrtl_break_stmt,
1621         genrtl_continue_stmt, genrtl_scope_stmt, genrtl_switch_stmt,
1622         genrtl_case_label, genrtl_compound_stmt, genrtl_asm_stmt,
1623         genrtl_cleanup_stmt, expand_stmt, find_reachable_label,
1624         find_reachable_label_1, expand_unreachable_if_stmt,
1625         expand_unreachable_stmt): Remove.
1626         (prep_stmt): Use EXPR_LOCUS instead of STMT_LINENO.
1627         * c-simplify.c: New file.
1628         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Define.
1629         (struct lang_type): Add fields enum_min and enum_max.
1630         (c_expand_decl_stmt, c_missing_noreturn_ok_p): Remove.
1631         (c_expand_decl, c_missing_noreturn_ok_p,
1632         c_types_compatible_p): Declare.
1633         * c-typeck.c (tagged_types_tu_compatible_p): Allow for
1634         compiler-generated TYPE_DECLs without a DECL_ORIGINAL_TYPE.
1635         (default_function_array_conversion): Rely on build to
1636         set TREE_CONSTANT.
1637         (parser_build_binary_op, pointer_diff): Likewise.
1638         (build_unary_op, build_binary_op): Likewise.
1639         (build_array_ref):
1640         (build_external_ref): Set TREE_INVARIANT.
1641         (build_c_cast, pop_init_level): Likewise.
1642         (process_init_element): Use ASM_VOLATILE_P.
1643         (build_asm_expr): Adapt to GENERIC/GIMPLE syntax.
1644         (c_finish_case): Call c_do_switch_warnings.
1645         * c.opt (fdump-): Remove.
1646         * calls.c (try_to_integrate): Remove.
1647         (prepare_call_address): Replace fndecl arg with a
1648         precomputed static chain value.
1649         (emit_call_1): New argument for full call expr.
1650         (flags_from_decl_or_type): Call special_function_p.
1651         (initialize_argument_information): Add argument
1652         may_tailcall.
1653         (purge_reg_equiv_notes): New.
1654         (expand_call): Do not try to expand calls inline.
1655         (fixup_tail_calls): New.
1656         * cfg.c: Include timevar.h and ggc.h.
1657         (bb_pool, edge_pool): Remove.
1658         (ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Declare.
1659         (entry_exit_blocks): Remove.
1660         (rbi_pool): Declare.
1661         (init_flow): Do not create pools.
1662         Allocate entry/exit block.
1663         (free_edge, alloc_block, expunge_block, unchecked_make_edge): Use GGC.
1664         (alloc_rbi_pool, free_rbi_pool, initialize_bb_rbi): New.
1665         (unlink_block): Clear b->prev_bb and b->next_bb.
1666         (compact_blocks): Clear all slots of BASIC_BLOCK array.
1667         (dump_flow_info): Work on trees too.
1668         (dump_cfg_bb_info): New.
1669         (brief_dump_cfg): New.
1670         * cfganal.c (need_fake_edge_p, flow_call_edges_add): Remove.
1671         (find_edge): New.
1672         * cfgbuild.c (rtl_make_eh_edge): Rename from
1673         make_eh_edge.  Update all users.
1674         (find_basic_blocks): Don't call VARRAY_FREE on
1675         basic_block_info.
1676         * cfgcleanup.c (outgoing_edges_match): Initialize newpos1
1677         and newpos2.
1678         (delete_unreachable_blocks): Return changed status.
1679         (merge_seq_blocks): New.
1680         * cfghooks.c: Include tree-flow.h
1681         (tree_register_cfg_hooks, ir_type): New.
1682         (redirect_edge_and_branch): Change return type to edge.
1683         (predict_edge, predicted_by_p, can_duplicate_block_p,
1684         duplicate_block, block_ends_with_call_p,
1685         block_ends_with_condjump_p, flow_call_edges_add): New.
1686         * cfghooks.h (redirect_edge_and_branch): Change return
1687         type to edge.
1688         (predict_edge, predicted_by_p, can_duplicate_block_p,
1689         duplicate_block, block_ends_with_call_p,
1690         block_ends_with_condjump_p, flow_call_edges_add): Declare.
1691         (redirect_edge_and_branch): Change return type to edge.
1692         (struct cfg_hooks): Add fields block_ends_with_call_p,
1693         block_ends_with_condjump_p, flow_call_edges_add,
1694         predict_edge, predicted_by_p, can_duplicate_block_p and
1695         duplicate_block.
1696         (tree_cfg_hooks, ir_type, tree_register_cfg_hooks): Declare.
1697         * cfglayout.c (cfg_layout_pool, cfg_layout_initialize_rbi): Removed.
1698         (fixup_reorder_chain): Use initialize_bb_rbi.
1699         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Hookized.
1700         (cfg_layout_initialize): Use cfg.c rbi pool manipulation functions.
1701         (can_copy_bbs_p, copy_bbs): Use cfghooks for bb duplication.
1702         (insn_locators_initialize): Use new info about blocks.
1703         * cfglayout.h (typedef struct reorder_block_def): Moved to
1704         basic_block.h.
1705         (cfg_layout_can_duplicate_bb_p, cfg_layout_duplicate_bb): Declaration
1706         removed.
1707         * cfgloop.c: Include tree.h and tree-flow.h.
1708         * cfgloop.h (create_loop_notes): Declare.
1709         * cfgloopmanip.c (create_loop_notes): New.
1710         * cfgrtl.c (cfg_layout_create_basic_block): Use initialize_bb_rbi.
1711         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Fill in can_duplicate_block_p
1712         and duplicate_block fields.
1713         (create_basic_block_structure): Don't look at
1714         RTX_INTEGRATED_P.
1715         (rtl_block_ends_with_call_p): New.
1716         (rtl_block_ends_with_condjump_p): New.
1717         (need_fake_edge_p): Moved from cfganal.c.
1718         (rtl_flow_call_edges_add): Moved from cfganal.c (flow_call_edges_add).
1719         (rtl_cfg_hooks): Add rtl_block_ends_with_call_p,
1720         rtl_block_ends_with_condjump_p, rtl_flow_call_edges_add.
1721         (cfg_layout_rtl_cfg_hooks): Ditto.
1722         * cgraph.c (cgraph_mark_reachable_node): Don't force nested
1723         functions to be reachable.
1724         * cgraphunit.c (decide_is_function_needed):
1725         * cgraphunit.c (decide_is_function_needed): Nested functions of extern
1726         inline functions don't need to be output.
1727         (cgraph_assemble_pending_functions): Don't do anything
1728         special for nested functions.
1729         (cgraph_mark_functions_to_output): Likewise.
1730         (cgraph_finalize_function): Don't zap DECL_STRUCT_FUNCTION.
1731         (cgraph_analyze_function): Use estimate_num_insns.
1732         (cgraph_mark_functions_to_output): Likewise.
1733         (cgraph_estimate_growth, cgraph_clone_inlined_nodes): Likewise.
1734         (cgraph_expand_function): Allow functions to not be
1735         emitted.
1736         (cgraph_remove_unreachable_nodes):
1737         (cgraph_recursive_inlining_p): Simplify.
1738         (lookup_recursive_calls,
1739         cgraph_decide_recursive_inlining): New.
1740         (cgraph_decide_inlining_*): Update calls of
1741         cgraph_mark_inline.
1742         * combine.c (get_pos_from_mask): Always set *plen.
1743         * common.opt (fdump-, fmudflap, fmudflapth, fmudflapir,
1744         ftree-based-profiling, ftree-ccp, ftree-ch,
1745         ftree-combine-temps, ftree-copyrename, ftree-dce,
1746         ftree-dominator-opts, ftree-dse, ftree-loop-optimize,
1747         ftree-points-to, ftree-pre, ftree-sra, ftree-ter,
1748         ftree-lrs): Add.
1749         * config.in (HAVE_LD_PIE, HAVE_BANSHEE, PREFIX_INCLUDE_DIR):
1750         Undefine.
1751         * configure.ac: Add --enable-tree-browser option.
1752         Add --with-libbanshee option.
1753         Add GMPLIBS and GMPINC.
1754         * configure: Regenerate.
1755         * coverage.c (tree_ctr_tables): New.
1756         (coverage_counter_alloc): Use it.
1757         (build_ctr_info_value): Ditto.
1758         (coverage_counter_ref): Ditto.  Rename to rtl_coverage_counter_ref.
1759         (tree_coverage_counter_ref): New.
1760         * coverage.h (coverage_counter_ref): Remove declaration.
1761         (rtl_coverage_counter_ref): Declare.
1762         (tree_coverage_counter_ref): Declare.
1763         * cppexp.c (append_digit): Rearrange unsignedp/overflow setting.
1764         (eval_token, num_binary_op, num_part_mul, num_div_op): Likewise.
1765         * cse.c (fold_rtx): Do not handle CONSTANT_P_RTX.
1766         (struct cse_basic_block_data): Rename enum values to not
1767         conflict with profile.h; update all uses.
1768         * dbxout.c (dbxout_symbol_location): Don't mention integrate.c
1769         in comments.
1770         * defaults.h (TRAMPOLINE_ALIGNMENT): Move from function.c.
1771         * diagnostic.h (debug_output_buffer, dump_generic_node,
1772         print_generic_stmt, print_generic_stmt_indented,
1773         print_generic_expr, print_generic_decl,
1774         debug_generic_expr, debug_generic_stmt, debug_c_tree):
1775         Declare.
1776         * dominance.c: Cache immediate dominators.
1777         * domwalk.c: New file.
1778         * domwalk.h: New file.
1779         * dwarf2out.c (is_fortran): Support DW_LANG_Fortran95.
1780         (gen_subprogram_die): Generate a DIE for a named
1781         return value.
1782         (loc_descriptor_from_tree): Treat RESULT_DECL like VAR_DECL.
1783         (add_location_or_const_value_attribute): Likewise.
1784         (add_bound_info): Likewise.
1785         (gen_decl_die): Likewise.
1786         * emit-rtl.c (maybe_set_first_label_num): New.
1787         (copy_most_rtx): Don't copy the integrated flag.
1788         Copy the new return_val flag.
1789         * et-forest.c (MAX_NODES): Define.
1790         (record_path_before_1): Abort if len is greater than
1791         MAX_NODES.
1792         * except.c (gen_eh_region, gen_eh_region_cleanup, gen_eh_region_try,
1793         gen_eh_region_catch, gen_eh_region_allowed,
1794         gen_eh_region_must_not_throw, get_eh_region_number,
1795         get_eh_region_may_contain_throw, get_eh_region_tree_label,
1796         set_eh_region_tree_label, expand_resx_expr): New.
1797         (expand_eh_region_start, expand_start_catch): Use them.
1798         (expand_end_catch): Tidy.
1799         (note_eh_region_may_contain_throw): Take region argument.
1800         (note_current_region_may_contain_throw): New.
1801         (get_exception_filter): Export.
1802         (collect_eh_region_array): Export.
1803         (remove_unreachable_regions): Check ERT_TRY based on reachability
1804         of catches, not reachability of continue_label.  Never remove
1805         ERT_MUST_NOT_THROW regions.
1806         (collect_rtl_labels_from_trees): New.
1807         (convert_from_eh_region_ranges): Use it.
1808         (connect_post_landing_pads): Handle dying cleanups.
1809         (struct reachable_info): Add callback data.
1810         (add_reachable_handler): Invoke the callback.
1811         (foreach_reachable_handler): New.
1812         (reachable_handlers): Use it.
1813         (arh_to_landing_pad, arh_to_label): New.
1814         (can_throw_internal_1): Split out from can_throw_internal.
1815         (can_throw_external_1): Similarly.
1816         * except.h: Update.
1817         * explow.c (emit_stack_save): Remove savearea mode check.
1818         (update_nonlocal_goto_save_area): New.
1819         (allocate_dynamic_stack_space): Use it.
1820         (probe_stack_range): Never emit loop notes.
1821         * expmed.c (extract_fixed_bit_field): Always propagate the
1822         target for the shift if it is a REG.
1823         * expr.c: Include tree-iterator.h
1824         (is_zeros_p): Remove.
1825         (categorize_ctor_elements_1, categorize_ctor_elements): New.
1826         (count_type_elements): New.
1827         (mostly_zeros_p): Use them.
1828         (expr_wfl_stack): Remove.
1829         (convert_move): Do nothing if to and from are the same.
1830         (emit_block_move_via_loop): Don't emit LOOP notes.
1831         (emit_move_insn): Don't handle CONSTANT_P_RTX.
1832         (emit_move_insn_1): Don't generate inline warnings.
1833         (expand_vars, expand_var): Split from ...
1834         (expand_expr_1): ... here.
1835         (expand_expr_real, expand_expr_real_1):  Use new macros
1836         EXPR_LOCATION and EXPR_HAS_LOCATION.
1837         * expr.h (simplify_builtin_fputs,
1838         simplify_builtin_strcpy, simplify_builtin_strncpy,
1839         expand_var, fixup_tail_calls,
1840         update_nonlocal_goto_save_area): Declare.
1841         (lookup_static_chain, expand_inline_function,
1842         mark_seen_cases): Remove.
1843         (prepare_call_address): Change type of 2nd argument to
1844         rtx.
1845         * final.c (profile_function): Update static chain test.
1846         (final): Don't look at RTX_INTEGRATED_P.
1847         * flags.h (flag_mudflap, flag_mudflap_threads,
1848         flag_mudflap_ignore_reads, flag_tree_pre, flag_tree_ccp,
1849         flag_tree_dce, flag_tree_combine_temps,
1850         flag_tree_live_range_split, flag_tree_dom, flag_tree_ch,
1851         flag_tree_dse, flag_tree_sra, flag_tree_copyrename,
1852         flag_tree_points_to): Declare.
1853         (enum pta_type): Declare.
1854         * flow.c (lang_missing_noreturn_ok_p): Remove.
1855         (check_function_return_warnings): Remove.
1856         (update_life_info): Update comments.
1857         (free_basic_block_vars): Don't call VARRAY_FREE for
1858         basic_block_info.
1859         (regno_uninitialized): Remove.
1860         * fold-const.c (int_const_binop): Make extern.
1861         (non_lvalue): Rely on build to set TREE_CONSTANT.
1862         (operand_equal_p): Replace only_const argument with
1863         flags.  Allow pure functions if OEP_PURE_SAME.
1864         (fold): Use OEP_ONLY_CONST.
1865         (invert_truthvalue) <NOP_EXPR> Break if argument is of
1866         boolean type.
1867         (fold_relational_hi_lo,
1868         nondestructive_fold_binary_to_constant,
1869         nondestructive_fold_unary_to_constant,
1870         fold_read_from_constant_string): New.
1871         * function.c (struct function): Remove calls_constant_p.
1872         (current_function_calls_constant_p): Remove.
1873         (inline_function_decl): Remove.
1874         (put_var_into_stack): Don't use it.
1875         (fix_lexical_addr): Likewise.
1876         (inline_function_decl): Remove extern declaration.
1877         (TRAMPOLINE_ALIGNMENT): Move to defaults.h.
1878         (trampolines_created): Move to varasm.c.
1879         (free_after_compilation): Update for removed fields.
1880         (allocate_struct_function): Likewise.
1881         (delete_handlers, lookup_static_chain): Remove.
1882         (fix_lexical_addr): Don't consider non-local variable refs.
1883         (trampoline_address): Remove.
1884         (round_trampoline_addr): Move to builtins.c.
1885         (adjust_trampoline_addr): Remove.
1886         (expand_function_start): Update for changes to static chain
1887         and nonlocal goto handling.
1888         (initial_trampoline): Move to varasm.c.
1889         (expand_function_end): Don't build trampolines or kill
1890         unreferenced nonlocal goto labels.
1891         (free_after_compilation): Don't set it.
1892         (expand_function_end): Likewise.
1893         (setjmp_vars_warning): Rename from
1894         uninitialized_vars_warning, remove uninitialized vars warning.
1895         (uninitialized_vars_warning): Remove old comment
1896         and check for DECL_INITIAL, replace with a check of TREE_NO_WARNING
1897         and do not call the langhook.
1898         (expand_function_start, expand_function_end): Don't do
1899         function instrumentation here.
1900         (clear_block_marks): Rename from reorder_blocks_0, export.
1901         (blocks_nreverse): Export.
1902         (uninitialized_vars_warning): Use DECL_RTL_SET_P to test for presence
1903         of rtl.
1904         (reset_block_changes, record_block_change, finalize_block_changes,
1905         check_block_change, free_block_changes): New functions.
1906         (assign_parms): Setting of current_function_stdarg
1907         moved ...
1908         (allocate_struct_function): ... here.
1909         * function.h (struct function): Remove x_nonlocal_labels,
1910         x_nonlocal_goto_handler_slots, x_nonlocal_goto_stack_level,
1911         x_context_display, x_trampoline_list, needs_context.
1912         Add static_chain_decl, nonlocal_goto_save_area.
1913         (struct function): Remove x_clobber_return_insn.
1914         Add tail_call_emit field, last_label_uid,
1915         unexpanded_var_list, dont_emit_block_notes,
1916         ib_boundaries_block, function_end_locus and saved_tree/saved_args.
1917         (clear_block_marks): Declare.
1918         * gcc.c (MFWRAP_SPEC, MFLIB_SPEC): Add -fmudflapth support.
1919         (mfwrap_spec, mflib_spec): Declare.
1920         (cpp_unique_options, cc1_options): Ditto.
1921         (default_compilers): Add .F and .f90.
1922         (static_specs): Add mfwrap and mflib.
1923         * gcse.c (want_to_gcse_p, gcse_constant_p): Don't handle
1924         CONSTANT_RTX_P.
1925         (reg_used_on_edge, reg_killed_on_edge, bypass_block):
1926         Update to match insns field in struct edge_def.
1927         * gdbinit.in (pgs, pge): Define.
1928         * genattrtab.c (ATTR_PERMANENT_P): Use the return_val flag
1929         instead of the integrated flag.
1930         * gengtype-lex.l (IWOrD): Add HOST_WIDEST_INT
1931         * gengtype-yacc.y (bitfieldlen): Add empty action.
1932         (struct_fields): Accept unnamed bitfields.
1933         (bitfieldlen): Split from ...
1934         (bitfieldopt): ... here.
1935         * gengtype.c (ifiles): Add tree-alias-type.h and
1936         tree-flow.h.
1937         * genrecog.c (validate_pattern): Do not handle
1938         CONSTANT_P_RTX.
1939         * gimple-low.c: New file.
1940         * gimplify.c: New file.
1941         * haifa-sched.c (priority): Do not handle CONSTANT_P_RTX.
1942         (restore_line_notes): Do not set RTX_INTEGRATED_P.
1943         * ifcvt.c (dead_or_predicable): Initialize local variable
1944         'earliest'.
1945         * input.h (expr_wfl_stack): Remove.
1946         * integrate.c (INTEGRATE_THRESHOLD): Remove.
1947         (setup_initial_hard_reg_value_integration): Likewise.
1948         (initialize_for_inline): Likewise.
1949         (note_modified_parmregs): Likewise.
1950         (integrate_parm_decls): Likewise.
1951         (process_reg_param): Likewise.
1952         (save_parm_insns): Likewise.
1953         (copy_insn_list): Likewise.
1954         (copy_insn_notes): Likewise.
1955         (compare_blocks): Likewise.
1956         (find_block): Likewise.
1957         (inlining): Likewise.
1958         (function_cannot_inline_p): Likewise.
1959         (parmdecl_map): Likewise.
1960         (in_nonparam_insns): Likewise.
1961         (save_for_inline): Likewise.
1962         (FIXED_BASE_PLUS): Likewise.
1963         (expand_inline_function): Likewise.
1964         (copy_rtx_and_substitute): Don't look at map->integrating,
1965         map->inline_target, and inlining, since we are never copying
1966         for integrating.
1967         Don't abort on RTX_INTEGRATED_P.
1968         (old_fun): Remove.
1969         (output_inline_function): Remove.
1970         * integrate.h (struct inline_map): Remove fields integrating,
1971         block_map, leaf_reg_map, inline_target, and local_return_label.
1972         * jump.c (next_nonnote_insn_in_loop, duplicate_loop_exit_test,
1973         copy_loop_headers, never_reached_warning): Removed.
1974         (any_uncondjump_p): Reject nonlocal goto.
1975         * langhooks-def.h (lhd_types_compatible_p,
1976         lhd_expand_decl, lhd_gimplify_expr): Declare.
1977         (LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
1978         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1979         LANG_HOOKS_FUNCTION_LEAVE_NESTED,
1980         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1981         LANG_HOOKS_GIMPLIFY_EXPR,
1982         LANG_HOOKS_GIMPLE_BEFORE_INLINING,
1983         LANG_HOOKS_EXPAND_DECL, LANG_HOOKS_TYPES_COMPATIBLE_P,
1984         LANG_HOOKS_GIMPLIFY_EXPR,
1985         LANG_HOOKS_GIMPLE_BEFORE_INLINING): Define.
1986         (LANG_HOOKS_DECL_UNINIT, LANG_HOOKS_RTL_EXPAND_START,
1987         LANG_HOOKS_RTL_EXPAND_STMT, LANG_HOOKS_RTL_EXPAND_END,
1988         LANG_HOOKS_FUNCTION_LEAVE_NESTED,
1989         LANG_HOOKS_RTL_EXPAND_INITIALIZER,
1990         LANG_HOOKS_DECL_UNINIT,
1991         LANG_HOOKS_RTL_EXPAND_INITIALIZER): Remove.
1992         * langhooks.c: Include tree-simple.h.
1993         (lhd_expand_decl): New.
1994         (lhd_types_compatible_p): New.
1995         (lhd_decl_uninit): Remove.
1996         (lhd_gimplify_expr): New.
1997         * langhooks.h (struct lang_hooks_for_rtl_expansion):
1998         Remove.
1999         (struct lang_hooks_for_functions): Add field
2000         missing_noreturn_ok_p.
2001         (struct lang_hooks): Add field expand_decl,
2002         types_compatible_p, gimplify_expr and
2003         gimple_before_inlining.
2004         Remove fields decl_uninit and rtl_expand
2005         * opts.c (decode_options): Set flag_tree_ccp,
2006         flag_tree_dce, flag_tree_dom, flag_tree_dse,
2007         flag_tree_pre, flag_tree_ter,
2008         flag_tree_live_range_split, flag_tree_sra,
2009         flag_tree_copyrename and flag_tree_ch at -O1 and higher.
2010         (common_handle_option): Handle OPT_fdump_, OPT_fmudflap,
2011         OPT_fmudflapth, OPT_fmudflapir,
2012         OPT_ftree_based_profiling, OPT_ftree_ccp, OPT_ftree_dce,
2013         OPT_ftree_combine_temps, OPT_ftree_ter, OPT_ftree_lrs,
2014         OPT_ftree_dominator_opts, OPT_ftree_copyrename,
2015         OPT_ftree_ch, OPT_ftree_dse, OPT_ftree_sra,
2016         OPT_ftree_points_to_ and OPT_ftree_pre.
2017         * output.h (regno_uninitialized, find_basic_blocks,
2018         cleanup_cfg, delete_unreachable_blocks,
2019         check_function_return_warnings): Remove.
2020         * params.def (PARAM_MAX_INLINE_INSNS_RECURSIVE,
2021         PARAM_MAX_INLINE_INSNS_RECURSIVE_AUTO,
2022         PARAM_MAX_INLINE_RECURSIVE_DEPTH,
2023         PARAM_MAX_INLINE_RECURSIVE_DEPTH_AUTO,
2024         PARAM_GLOBAL_VAR_THRESHOLD, PARAM_MAX_ALIASED_VOPS):
2025         * params.h (GLOBAL_VAR_THRESHOLD, MAX_ALIASED_VOPS):
2026         Define.
2027         * passes.c (rest_of_decl_compilation):
2028         (rest_of_handle_sibling_calls): Remove.
2029         (rest_of_handle_inlining): Remove.
2030         (rest_of_handle_gcse): Do not run
2031         purge_builtin_constant_p.
2032         (rest_of_compilation): Update.
2033         Do not call copy_loop_headers.
2034         Do rtl-based profiling only when
2035         !flag_tree_based_profiling.  Register rtl-based profiling
2036         hooks.
2037         * predict.c:  Include tree-flow.h, ggc.h, tree-dump.h
2038         (predicted_by_p): Rename to ...
2039         (rtl_predicted_by_p): .. this one; make global
2040         (tree_predicted_by_p): New.
2041         (dump_prediction): Add FILE argument.
2042         (predict_edge): Rename to ...
2043         (rtl_predict_edge): .. this one.
2044         (tree_predict_edge): New.
2045         (combine_predictions_for_insn): Update calls of predict_edge.
2046         (predict_loops): Break out from ...
2047         (estimate_probability): ... here; update comments; move updating
2048         of unknown probabilities from ...
2049         (estimate_bb_frequencies): ... here.
2050         (combine_predictions_for_bb): New.
2051         (tree_predict_by_opcode): New.
2052         (tree_estimate_probability): New.
2053         * predict.def (PRED_TREE_POINTER, PRED_TREE_OPCODE_POSITIVE,
2054         PRED_TREE_OPCODE_NONEQUAL, PRED_TREE_FPOPCODE): New predictors.
2055         * predict.h: Add include guard.
2056         (predict_edge, predict_edge_def): Move prototypes to basic_block.h
2057         * pretty-print.c (pp_write_text_to_stream): Make extern.
2058         * pretty-print.h (pp_write_text_to_stream): Declare.
2059         * print-rtl.c (print_rtx): Don't print the integrated flag.
2060         Print the return_val flag.
2061         * print-tree.c: Use TREE_FILENAME and TREE_LINENO instead
2062         of DECL_SOURCE_FILE and DECL_SOURCE_LINE respectively.
2063         Remove support for EXPR_WITH_FILE_LOCATION nodes.
2064         (print_node): Print TREE_INVARIANT and TREE_VISITED.
2065         * profile.c: Include cfghooks.h, tree-flow.h.
2066         (profile_hooks): New.
2067         (profile_dump_file): New.
2068         (instrument_edges): Use hooks instead of RTL-specific code.
2069         (instrument_values): Ditto.
2070         (get_exec_counts): Ditto.
2071         (compute_branch_probabilities): Ditto.
2072         (compute_value_histograms): Ditto.
2073         (branch_prob): Ditto.
2074         (find_spanning_tree): Ditto.
2075         (end_branch_prob): Ditto.
2076         (gen_edge_profiler): Move to rtl-profile.c (rtl_gen_edge_profiler).
2077         (gen_interval_profiler): Ditto (rtl_gen_interval_profiler).
2078         (gen_pow2_profiler): Ditto (rtl_gen_pow2_profiler).
2079         (gen_one_value_profiler): Ditto (rtl_gen_one_value_profiler).
2080         (tree_register_profile_hooks): New.
2081         (rtl_register_profile_hooks): New.
2082         * ra-rewrite.c (rewrite_program): Clear variable info.
2083         * recog.c (immediate_operand): Do not handle CONSTANT_P_RTX.
2084         * regs.h: Add include guards.
2085         * reload.c (decompose): Clear val using memset.
2086         * rtl.def (CONSTANT_P_RTX): Remove.
2087         * rtl.h (CONSTANT_P): Do not handle CONSTANT_P_RTX.
2088         (copy_loop_headers): Remove.
2089         (struct rtx_def): Replace the integrated flag with the
2090         return_val flag.
2091         (maybe_set_first_label_num): Declare.
2092         (init_branch_prob): Move declaration to value-prof.h.
2093         (end_branch_prob): Ditto.
2094         (branch_prob): Ditto.
2095         (never_reached_warning): Don't declare it.
2096         * rtlanal.c (get_related_value): Initialize get_jump_table_offset
2097         (hoist_insn_to_edge): Update to match field insns in
2098         struct edge_def.
2099         * sbitmap.c (sbitmap_realloc): New.
2100         * sbitmap.h (sbitmap_realloc): Declare.
2101         * sibcall.c: Remove file.
2102         * simplify-rtx.c (simplify_rtx): Do not handle
2103         CONSTANT_P_RTX.
2104         * stmt.c (parse_output_constraint): Don't warn for read-write
2105         memory operand.
2106         (tail_recursion_args): Use types_compatible_p langhook.
2107         (force_label_rtx): Don't look at inline_function_decl.
2108         (label_rtx): Set LABEL_PRESERVE_P appropriately.
2109         (expand_label): Handle DECL_NONLOCAL and FORCED_LABEL.
2110         (declare_nonlocal_label): Remove.
2111         (expand_goto): Don't handle nonlocal gotos.
2112         (expand_nl_handler_label): Remove.
2113         (expand_nl_goto_receivers): Remove.
2114         (expand_end_bindings): Don't expand_nl_goto_receivers.  Use
2115         update_nonlocal_goto_save_area.
2116         (expand_expr_stmt_value): Check TREE_NO_WARNING.
2117         (warn_if_unused_value): Likewise.
2118         (expand_start_loop, expand_loop_continue_here,
2119         expand_end_loop): Don't create loop notes.
2120         (all_cases_count, BITARRAY_TEST, BITARRAY_SET,
2121         mark_seen_cases, check_for_full_enumeration_handling): Remove.
2122         (expand_end_case_type): Don't do warn_switch handling.
2123         (pushcase, pushcase_range) Update add_case_node calls.
2124         (add_case_node): Add dont_expand_label argument.
2125         (same_case_target_p): Don't search rtl.
2126         (expand_start_bindings_and_block, expand_end_bindings):
2127         Don't emit block notes when dont_emit_block_notes.
2128         (using_eh_for_cleanups_p): Export.
2129         (expand_return): Allow any typed rhs.
2130         (expand_stack_alloc): New.
2131         (expand_stack_save, expand_stack_restore): New.
2132         (containing_blocks_have_cleanups_or_stack_level): New
2133         function.
2134         (asm_op_is_mem_input): New fn.
2135         (expand_asm_expr): New fn.
2136         (warn_if_unused_value): Check operand 0 of SAVE_EXPR
2137         nodes.
2138         * stor-layout.c (layout_type): Just return if type is
2139         error_mark_node.
2140         (update_alignment_for_field): Export.
2141         (variable_size): We don't care about global_bindings_p if
2142         the frontend doesn't want a list of the expressions.
2143         * system.h: Poison INTEGRATE_THRESHOLD.
2144         * timevar.def (TV_TREE_GIMPLIFY, TV_TREE_EH, TV_TREE_CFG,
2145         TV_TREE_CLEANUP_CFG, TV_TREE_PTA, TV_TREE_MAY_ALIAS,
2146         TV_TREE_INSERT_PHI_NODES, TV_TREE_SSA_REWRITE_BLOCKS,
2147         TV_TREE_SSA_OTHER, TV_TREE_OPS,
2148         TV_TREE_SSA_DOMINATOR_OPTS, TV_TREE_SRA, TV_TREE_CCP,
2149         TV_TREE_SPLIT_EDGES, TV_TREE_PRE, TV_TREE_PHIOPT,
2150         TV_TREE_FORWPROP, TV_TREE_DCE, TV_TREE_CD_DCE,
2151         TV_TREE_DSE, TV_TREE_LOOP, TV_TREE_CH,
2152         TV_TREE_SSA_TO_NORMAL, TV_TREE_SSA_TO_NORMAL,
2153         TV_TREE_NRV, TV_TREE_COPY_RENAME, TV_TREE_SSA_VERIFY,
2154         TV_TREE_STMT_VERIFY, TV_DOM_FRONTIERS,
2155         TV_CONTROL_DEPENDENCES): Define.
2156         * toplev.c: Include tree-alias-common.h
2157         (current_file_decl, flag_mudflap, flag_mudflap_threads,
2158         flag_mudflap_ignore_reads, flag_tree_based_profiling,
2159         flag_tree_gvn, flag_tree_points_to, flag_tree_ccp,
2160         flag_tree_dce, flag_tree_ch, flag_tree_sra,
2161         flag_tree_combine_temps, flag_tree_ter,
2162         flag_tree_live_range_split, flag_tree_dom,
2163         flag_tree_copyrename, flag_tree_dse): Declare.
2164         (f_options): Add tree-based-profiling, tree-gvn,
2165         tree-pre, tree-ccp, tree-dce,
2166         tree-dominator-opts, tree-copyrename, tree-dse,
2167         tree-combine-temps, tree-ter, tree-lrs and tree-ch.
2168         (wrapup_global_declarations): Don't output nested inlined functions.
2169         (general_init): Call init_tree_optimization_passes.
2170         (process_options): Sorry for -ftree-based-profiling plus
2171         -ftest-coverage or -fprofile-values.
2172         * toplev.h (init_tree_optimization_passes,
2173         flag_tree_based_profiling): Declare.
2174         * tracer.c (tail_duplicate): Use cfghooks for bb duplication.
2175         * tree-alias-ander.c: New file.
2176         * tree-alias-ander.h: New file.
2177         * tree-alias-common.c: New file.
2178         * tree-alias-common.h: New file.
2179         * tree-alias-type.c: New file.
2180         * tree-alias-type.h: New file.
2181         * tree-browser.c: New file.
2182         * tree-browser.def: New file.
2183         * tree-cfg.c: New file.
2184         * tree-complex.c: New file.
2185         * tree-dfa.c: New file.
2186         * tree-dump.c (dump_enable_all): New.
2187         (dequeue_and_dump): Do not handle EXPR_WITH_FILE_LOCATION.
2188         (dump_node): Remove const from field suffix and swtch.
2189         (dump_files): Add null entry, .generic, .nested, .vcg,
2190         .xml and a match-all entry.
2191         (extra_dump_files, extra_dump_files_in_use,
2192         extra_dump_files_alloced): Declare
2193         (dump_option_value_info): Add raw, details, stats,
2194         blocks, vops, lineno, uid and all.
2195         (dump_register): New.
2196         (get_dump_file_info): New.
2197         (dump_begin): Call it.
2198         Do nothing for TDI_none.
2199         (dump_begin): Include phase number in dump filename.
2200         (dump_enable_all): New.
2201         (dump_switch_p_1): Split out from dump_switch_p.
2202         (dump_switch_p): Handle extra_dump_files.
2203         Start our scan at TDI_none + 1.
2204         If -fdump-tree-all was given, call dump_enable_all.
2205         * tree-dump.h: Include splay-tree.h.
2206         (dump_function, dump_function_to_file, dump_register):
2207         Declare.
2208         * tree-eh.c: New file.
2209         * tree-flow-inline.h: New file.
2210         * tree-flow.h: New file.
2211         * tree-inline.c: Re-write to handle inlining on GIMPLE.
2212         * tree-inline.h (walk_tree,
2213         walk_tree_without_duplicates): Move to tree.h.
2214         (estimate_num_insns): Declare.
2215         * tree-into-ssa.c: New file.
2216         * tree-iterator.c: New file.
2217         * tree-iterator.h: New file.
2218         * tree-mudflap.c: New file.
2219         * tree-mudflap.h: New file.
2220         * tree-nested.c: New file.
2221         * tree-nomudflap.c: New file.
2222         * tree-nrv.c: New file.
2223         * tree-optimize.c (dump_flags, vars_to_rename,
2224         in_gimple_form, all_passes, pass_gimple,
2225         pass_rebuild_bind, pass_all_optimizations, pass_del_cfg): Declare.
2226         (execute_gimple, execute_rebuild_bind,
2227         gate_all_optimizations, execute_del_cfg,
2228         register_one_dump_file, register_dump_files, dup_pass_1,
2229         init_tree_optimization_passes, execute_todo,
2230         execute_one_pass, execute_pass_list): New.
2231         (clear_decl_rtl): Remove.
2232         (tree_rest_of_compilation): Update to use tree
2233         optimizers.
2234         * tree-outof-ssa.c: New file.
2235         * tree-pass.h: New file.
2236         * tree-phinodes.c: New file.
2237         * tree-pretty-print.c: New file.
2238         * tree-profile.c: New file.
2239         * tree-simple.c: New file.
2240         * tree-simple.h: New file.
2241         * tree-sra.c: New file.
2242         * tree-ssa-alias.c: New file.
2243         * tree-ssa-ccp.c: New file.
2244         * tree-ssa-copy.c: New file.
2245         * tree-ssa-copyrename.c: New file.
2246         * tree-ssa-dce.c: New file.
2247         * tree-ssa-dom.c: New file.
2248         * tree-ssa-dse.c: New file.
2249         * tree-ssa-forwprop.c: New file.
2250         * tree-ssa-live.c: New file.
2251         * tree-ssa-live.h: New file.
2252         * tree-ssa-loop.c: New file.
2253         * tree-ssa-operands.c: New file.
2254         * tree-ssa-operands.h: New file.
2255         * tree-ssa-phiopt.c: New file.
2256         * tree-ssa-pre.c: New file.
2257         * tree-ssa.c: New file.
2258         * tree-ssanames.c: New file.
2259         * tree-tailcall.c: New file.
2260         * tree.c: Include tree-iterator.h, basic-block.h and
2261         tree-flow.h.
2262         (tree_node_kind): Add phi_nodes and ssa names.
2263         (tree_size): Handle PHI_NODE, EPHI_NODE, SSA_NAME,
2264         EUSE_NODE, EKILL_NODE, EEXIT_NODE and STATEMENT_LIST.
2265         (make_node_stat): Handle PHI_NODE and SSA_NAME.
2266         <'c'> Set TREE_INVARIANT.
2267         (copy_node_stat): Abort if trying to copy a
2268         STATEMENT_LIST.
2269         Clear TREE_VISITED.
2270         Clear annotation field.
2271         (build_constructor): Copy TREE_INVARIANT from vals.
2272         Don't clear TREE_CONSTANT.
2273         (expr_first, expr_last, expr_length): Remove.
2274         (staticp): Pass unknown component references to the language.
2275         (save_expr): Check TREE_INVARIANT instead of TREE_CONSTANT.
2276         (skip_simple_arithmetic): Likewise.
2277         (stabilize_reference_1): Likewise.
2278         (tree_node_structure): Handle PHI_NODE, EPHI_NODE,
2279         EUSE_NODE, EKILL_NODE, EEXIT_NODE, SSA_NAME and
2280         STATEMENT_LIST.
2281         (lhd_unsave_expr_now): Remove.
2282         (unsafe_for_reeval): Handle LABEL_EXPR and BIND_EXPR.
2283         (recompute_tree_invarant_for_addr_expr): New.
2284         (build1_stat): Clear EXPR_LOCUS and TREE_BLOCK.
2285         Call recompute_tree_invarant_for_addr_expr.
2286         Set TREE_INVARIANT accordingly.
2287         (build2_stat): Don't handle CALL_EXPR.
2288         (build3_stat): Don't call build2_stat for CALL_EXPRs.
2289         (build_expr_wfl): Remove.
2290         (annotate_with_file_line, annotate_with_locus): New.
2291         (simple_cst_equal): Call simple_cst_list_equal to compare
2292         CONSTRUCTOR_ELTS pointers.
2293         (iterative_hash_expr): Don't hash types associated
2294         with conversions.  Instead hash on the signedness of the
2295         toplevel object and the operand of the conversion.
2296         (dump_tree_statistics): Call ssanames_print_statistics
2297         and phinodes_print_statistics.
2298         (ephi_node_elt_check_failed, phi_node_elt_check_failed,
2299         add_var_to_bind_expr, build_empty_stmt, is_essa_node,
2300         needs_to_live_in_memory): New.
2301         (initializer_zerop): Handle VECTOR_CST.  Don't check
2302         AGGREGATE_TYPE_P for CONSTRUCTOR.
2303         * tree.def (FILTER_EXPR, CASE_LABEL_EXPR, RESX_EXPR,
2304         SSA_NAME, EUSE_NODE, EKILL_NODE, EPHI_NODE, EEXIT_NODE,
2305         PHI_NODE, CATCH_EXPR, EH_FILTER_EXPR, STATEMENT_LIST): Define.
2306         (GOTO_SUBROUTINE_EXPR): Change type to 's'.
2307         (CALL_EXPR): Add another operand.
2308         (EXPR_WITH_FILE_LOCATION): Remove.
2309         (SWITCH_EXPR): Add another operand.
2310         * tree.h: Update various comments.
2311         (union tree_ann_d): Forward declare.
2312         (struct tree_common): Add fields nowarning_flag,
2313         invariant_flag and visited.
2314         (EREF_NODE_CHECK, EPHI_NODE_ELT_CHECK,
2315         PHI_NODE_ELT_CHECK, EREF_NODE_CHECK, PHI_NODE_ELT_CHECK,
2316         EPHI_NODE_ELT_CHECK, TREE_BLOCK,
2317         STRIP_USELESS_TYPE_CONVERSION, CALL_EXPR_TAILCALL,
2318         TREE_NO_WARNING, FORCED_LABEL, TREE_INVARIANT,
2319         IS_EMPTY_STMT, EXPR_LOCUS, SET_EXPR_LOCUS, EXPR_FILENAME,
2320         EXPR_LINENO, EXPR_LOCATION, EXPR_HAS_LOCATION,
2321         EXIT_EXPR_COND, SWITCH_COND, SWITCH_BODY, SWITCH_LABELS,
2322         CASE_LOW, CASE_HIGH, CASE_LABEL, BIND_EXPR_VARS,
2323         BIND_EXPR_BODY, BIND_EXPR_BLOCK, GOTO_DESTINATION,
2324         ASM_STRING, ASM_OUTPUTS, ASM_INPUTS, ASM_CLOBBERS,
2325         ASM_INPUT_P, ASM_VOLATILE_P, COND_EXPR_COND,
2326         COND_EXPR_THEN, COND_EXPR_ELSE, LABEL_EXPR_LABEL,
2327         CATCH_TYPES, CATCH_BODY, EH_FILTER_TYPES,
2328         EH_FILTER_FAILURE, EH_FILTER_MUST_NOT_THROW,
2329         SSA_NAME_VAR, SSA_NAME_DEF_STMT, SSA_NAME_VERSION,
2330         SSA_NAME_OCCURS_IN_ABNORMAL_PHI, SSA_NAME_IN_FREE_LIST,
2331         PHI_RESULT, PHI_REWRITTEN, PHI_NUM_ARGS,
2332         PHI_ARG_CAPACITY, PHI_ARG_ELT, PHI_ARG_EDGE, PHI_ARG_DEF,
2333         EREF_PROCESSED, EREF_ID, EREF_NAME, EREF_STMT,
2334         EREF_RELOAD, EREF_SAVE, EREF_CLASS, EREF_INJURED,
2335         EREF_TEMP, EUSE_DEF, EUSE_PHIOP, EUSE_INSERTED,
2336         EUSE_LVAL, EPHI_NUM_ARGS, EPHI_ARG_CAPACITY,
2337         EPHI_ARG_ELT, EPHI_ARG_EDGE, EPHI_ARG_PRED, EPHI_ARG_DEF,
2338         EPHI_ARG_INJURED, EPHI_ARG_DELAYED_RENAME,
2339         EPHI_ARG_HAS_REAL_USE, EPHI_ARG_STOPS,
2340         EPHI_ARG_PROCESSED2, EPHI_IDENTITY, EPHI_IDENT_INJURED,
2341         EPHI_REP_OCCUR_KNOWN, EPHI_IDENTICAL_TO, EPHI_DOWNSAFE,
2342         EPHI_CANT_BE_AVAIL, EPHI_DEAD, EPHI_USES, EPHI_STOPS,
2343         TREE_VISITED, SSA_VAR_P, DECL_NUM_STMTS,
2344         DECL_HARD_REGISTER, DECL_PTA_ALIASVAR, LABEL_DECL_UID,
2345         DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL,
2346         STATEMENT_LIST_HEAD, STATEMENT_LIST_TAIL, TDF_RAW,
2347         TDF_DETAILS, TDF_STATS, TDF_BLOCKS, TDF_VOPS, TDF_LINENO,
2348         TDF_UID,): Define.
2349         (TREE_NO_UNUSED_WARNING, EXPR_WFL_EMIT_LINE_NOTE,
2350         EXPR_WFL_NODE, EXPR_WFL_FILENAME_NODE, EXPR_WFL_FILENAME,
2351         EXPR_WFL_LINECOL, EXPR_WFL_LINENO, EXPR_WFL_COLNO,
2352         EXPR_WFL_SET_LINECOL): Remove.
2353         (phi_node_elt_check_failed, ephi_node_elt_check_failed,
2354         make_phi_node, init_phinodes, fini_phinodes,
2355         release_phi_node, phinodes_print_statistics,
2356         init_ssanames, fini_ssanames, make_ssa_name,
2357         release_ssa_name, ssanames_print_statistics,
2358         annotate_with_file_line, build_empty_stmt,
2359         annotate_with_locus, expr_only, categorize_ctor_elements,
2360         count_type_elements, add_var_to_bind_expr, is_essa_node,
2361         expand_stack_alloc, expand_stack_save,
2362         expand_stack_restore, add_case_node, operand_equal_p,
2363         nondestructive_fold_unary_to_constant,
2364         nondestructive_fold_binary_to_constant,
2365         fold_read_from_constant_string, int_const_binop,
2366         strip_float_extensions, simplify_builtin, c_strlen,
2367         recompute_tree_invarant_for_addr_expr,
2368         needs_to_live_in_memory, make_vector,
2369         setjmp_vars_warning, update_alignment_for_field,
2370         expand_asm_expr, asm_op_is_mem_input,
2371         containing_blocks_have_cleanups_or_stack_level,
2372         create_artificial_label, gimplify_function_tree,
2373         get_name, unshare_expr, walk_tree,
2374         walk_tree_without_duplicates, in_gimple_form): Declare.
2375         (struct tree_exp): Add fields locus and block.
2376         (struct tree_ssa_name, struct edge_def, struct
2377         tree_phi_node, struct tree_eref_common, struct
2378         tree_euse_node, struct ephi_arg_d, struct tree_ephi_node,
2379         union alias_var_def, struct tree_statement_list_node,
2380         struct tree_statement_list, enum operand_equal_flag): Declare.
2381         (enum tree_node_structure_enum): Add TS_SSA_NAME,
2382         TS_PHI_NODE, TS_EPHI_NODE, TS_EUSE_NODE, TS_EREF_NODE,
2383         TS_STATEMENT_LIST.
2384         (union tree_node): Add fields ssa_name, phi, eref, ephi,
2385         euse and stmt_list.
2386         (function_cannot_inline_p, uninitialized_vars_warning,
2387         save_for_inline, output_inline_function, all_cases_count,
2388         check_for_full_enumeration_handling,
2389         declare_nonlocal_label): Remove.
2390         (enum tree_dump_index): Add TDI_none, TDI_tu,
2391         TDI_generic, TDI_nested, TDI_vcg, TDI_xml.
2392         * unroll.c (unroll_loop): Don't clear map->inline_target.
2393         * unwind-sjlj.c (uw_install_context): Make a proper static inline
2394         function.
2395         * value-prof.c (value_prof_hooks): New.
2396         (find_values_to_profile): Rename to rtl_find_values_to_profile.
2397         Move rtl-specific bits in from branch_prob.
2398         (value_profile_transformations): Rename to
2399         rtl_value_profile_transformations.
2400         (struct value_prof_hooks): New.
2401         (rtl_value_prof_hooks): New.
2402         (rtl_register_value_prof_hooks): New.
2403         (tree_find_values_to_profile): New stub.
2404         (tree_value_profile_transformations): New stub.
2405         (tree_value_prof_hooks): New stub.
2406         (tree_register_value_prof_hooks): New stub.
2407         (find_values_to_profile): New.
2408         (value_profile_transformations): New.
2409         * value-prof.h: Add multiple inclusion guard.
2410         (struct histogram_value): Change rtx fields to void *.
2411         (rtl_register_value_prof_hooks): New declaration.
2412         (tree_register_value_prof_hooks): New declaration.
2413         (find_values_to_profile): New declaration.
2414         (free_profiled_values): New declaration.
2415         (value_profile_transformations): New declaration.
2416         (struct profile_hooks): New declaration.
2417         (init_branch_prob): Declaration moved from rtl.h.
2418         (branch_prob): Declaration moved from rtl.h.
2419         (end_branch_prob): Declaration mooved from rtl.h.
2420         (tree_register_profile_hooks): New declaration.
2421         (rtl_register_profile_hooks): New declaration.
2422         (tree_profile_hooks): New declaration.
2423         (rtl_profile_hooks): New declaration.
2424         * varasm.c: Include tree-mudflap.h.
2425         (TRAMPOLINE_ALIGNMENT): Remove.
2426         (make_decl_rtl): Call mudflap_enqueue_decl.
2427         (assemble_static_space):
2428         (assemble_trampoline_template): Set and return
2429         TRAMPOLINE_ALIGNMENT.
2430         * varray.c (element): Add GENERIC_PTR_NOGC entry.
2431         Add entry for 'tree *'.
2432         Add entry for struct edge_def *.
2433         (varray_copy): New.
2434         * varray.h (enum varray_data_enum): Add
2435         VARRAY_DATA_GENERIC_NOGC, VARRAY_DATA_EDGE and
2436         VARRAY_DATA_TREE_PTR.
2437         (union varray_data_tag): Corresponding changes.
2438         (VARRAY_GENERIC_PTR_NOGC_INIT, VARRAY_EDGE_INIT,
2439         VARRAY_TREE_PTR_INIT, VARRAY_GENERIC_PTR_NOGC,
2440         VARRAY_EDGE, VARRAY_TREE_PTR,
2441         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_EDGE,
2442         VARRAY_PUSH_TREE_PTR, VARRAY_TOP_GENERIC_PTR_NOGC,
2443         VARRAY_TOP_EDGE, VARRAY_TOP_TREE_PTR): Define.
2444
2445         * config/*/*: Various updates for changed macros, tree
2446         codes, etc.  Check ChangeLog.tree-ssa.
2447
2448         * doc/cfg.texi: New file.
2449         * doc/tree-ssa.texi: New file.
2450         * doc/c-tree.texi: Document new codes.
2451         * doc/gccint.texi: Include new files.
2452         * doc/install.texi: Document new features.
2453         * doc/invoke.texi: Document new switches.
2454         * doc/passes.texi: Document new passes.
2455         * doc/rtl.texi: Update changed RTL codes.
2456         * doc/sourcebuild.texi: Update build instructions.
2457         * doc/standards.texi: Document Fortran changes.
2458         * doc/tm.texi: Update.
2459
2460 2004-05-12  Paolo Bonzini  <bonzini@gnu.org>
2461
2462         Replace several arrays with a struct of arrays.
2463         * combine.c (struct reg_stat): New.
2464         (init_reg_last_arrays): Renamed to...
2465         (init_reg_last): ...this.  Callers adjusted.
2466         (reg_stat): New.
2467         (combine_instructions): Allocate it and use it.
2468         (reg_last_death, reg_last_set, reg_last_set_value,
2469         reg_last_set_label, reg_last_set_table_tick,
2470         reg_last_set_invalid, reg_nonzero_bits, reg_sign_bit_copies,
2471         reg_last_set_mode, reg_last_set_nonzero_bits,
2472         reg_last_set_sign_bit_copies): Replace throughout
2473         with items of reg_stat.
2474
2475 2004-05-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2476
2477         PR optimization/15100
2478         * combine.c (distribute_notes): Don't create a dangling
2479         REG_LIBCALL/REG_RETVAL note.
2480
2481 2004-05-11  Aldy Hernandez  <aldyh@redhat.com>
2482
2483         * config/rs6000/spe.md (spe_evneg): Rename to negv2si2.
2484
2485         * config/rs6000/rs6000.c (bdesc_1arg): Change spe_evneg to
2486         negv2si2.
2487
2488 2004-05-11  Aldy Hernandez  <aldyh@redhat.com>
2489
2490         * doc/md.texi (Standard Names): Fix typo in vec_init description.
2491
2492 2004-05-11  Geoffrey Keating  <geoffk@apple.com>
2493
2494         * doc/gty.texi (GTY Options): Clarify example.
2495
2496 2004-05-11  Fariborz Jahanian  <fjahanian@apple.com>
2497
2498         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute):
2499         Add const qualifier to altivec vector type if one is needed.
2500
2501 2004-05-11  Paul Brook  <paul@codesourcery.com>
2502
2503         * flags.h (flag_short_enums): Update comment.
2504         * opts.c (decode_options): Set flag_short_enums to 2.
2505         * toplev.c (flag_short_enums): Update comment.
2506         (process_options): Call default_short_enums target hook.
2507
2508 2004-05-11  Andrew Pinski  <pinskia@gcc.gnu.org>
2509
2510         PR target/14063
2511         * config/rs6000/altivec.md (altivec_dssall):
2512         Change to unspec_volatile.
2513         (altivec_dss): Likewise.
2514
2515 2004-05-10  Aldy Hernandez  <aldyh@redhat.com>
2516
2517         * config/rs6000/altivec.md ("one_cmplv16qi2"): Change vnot to
2518         vnor.
2519         ("one_cmplv8hi2"): Same.
2520         ("one_cmplv4si2"): Same.
2521
2522 2004-05-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2523
2524         PR target/15130
2525         * config/sh/sh-protos.h (sh_expand_epilogue): Change prototype.
2526         * config/sh/sh.c (output_stack_adjust): Take the sibcall epilogue
2527         into account.  Compute the correct number of general registers
2528         for the return value.  Generate a special push/pop sequence when
2529         failing to get a temporary register for non SHmedia epilogue.
2530         (sh_expand_epilogue): Add an argument to show whether it's for
2531         sibcall or not.  Set the 3rd argument of output_stack_adjust to
2532         -1 if needed.
2533         (sh_need_epilogue): Call sh_expand_epilogue with 0.
2534         * config/sh/sh.md (sibcall_epilogue): Call sh_expand_epilogue
2535         with 1.
2536         (epilogue): Call sh_expand_epilogue with 0.
2537
2538 2004-05-10  Andrew Pinski  <pinskia@physics.uc.edu>
2539
2540         * gcse.c (eliminate_partially_redundant_loads): Instead of returning early,
2541         goto a cleanup label.  After the cleanup, free the allocated memory.
2542
2543 2004-05-10  Ziemowit Laski  <zlaski@apple.com>
2544
2545         * config/rs6000/altivec.h (vec_sld): Add overloads for
2546         argument/return types of 'vector bool int', 'vector bool short'
2547         and 'vector bool char'.
2548
2549 2004-05-10  Zack Weinberg  <zack@codesourcery.com>
2550
2551         * c-decl.c (store_parm_decls_newstyle): Correct test for a
2552         nested function.
2553
2554 2004-05-10  Richard Sandiford  <rsandifo@redhat.com>
2555
2556         * read-rtl.c (read_rtx): Allow 's' and 'T' strings to be omitted,
2557         treating missing ones as "".
2558         * config/mips/mips.md: Remove constraints from match_operands and
2559         match_scratches if they appear in define_expands (except reload*),
2560         define_peephole2s, define_splits or attribute specifications.
2561         * config/mips/7000.md, config/mips/sb1.md: Remove match_operand
2562         constraint strings.
2563
2564 2004-05-10  Alan Modra  <amodra@bigpond.net.au>
2565
2566         * config/rs6000/rs6000.c (function_arg_boundary): Always align
2567         AltiVec vectors.
2568         (function_arg_advance): Pass TARGET_32BIT -mabi=no-altivec AltiVec
2569         vectors by refererence.  Align the same for TARGET_64BIT to a 16
2570         byte boundary.  Remove useless code.  Add function comment.
2571         (function_arg): Similarly.  Move gpr rs6000_mixed_function_arg
2572         call to where it belongs.
2573         (function_arg_partial_nregs): Return true for all TARGET_32BIT
2574         -mabi=no-altivec AltiVec vectors.  Fix debug output.
2575         (rs6000_va_arg): Adjust for AltiVec change.
2576
2577 2004-05-10  Paul Brook  <paul@codesourcery.com>
2578
2579         * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
2580         * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
2581         (TARGET_DOUBLEWORD_ALIGN): Use it.
2582         (WCHAR_TYPE): Define.
2583         (WCHAR_SIZE_TYPE): Define.
2584         (SIZE_TYPE): Define.
2585
2586 2004-05-10  Alan Modra  <amodra@bigpond.net.au>
2587
2588         * config/rs6000/rs6000.c (function_arg_boundary): Align for ABI_V4
2589         when size is 8 bytes.
2590         (function_arg_advance): Account for stack space used by AltiVec
2591         args when -mabi=altivec.  Simplify alignment calculations.  For
2592         ABI_V4, pass AltiVec vectors by reference when -mabi=no-altivec.
2593         (function_arg): Similarly.
2594         (function_arg_pass_by_reference): True for ABI_V4 AltiVec when
2595         not AltiVec ABI.
2596         (rs6000_va_arg): Correct fp arg test.  Adjust for AltiVec change.
2597         Correct alignment, and align before testing reg count.  Remove
2598         TREE_THIS_VOLATILE from reg.  Don't emit unused labels.
2599         (rs6000_complex_function_value): Check TARGET_HARD_FLOAT and
2600         TARGET_FPRS here..
2601         (rs6000_function_value): .. not here before call.
2602
2603 2004-05-09  Aldy Hernandez  <aldyh@redhat.com>
2604
2605         * config/rs6000/spe.md ("tstsflt_gpr"): Fix typo in unspec.
2606
2607 2004-05-09  Zack Weinberg  <zack@codesourcery.com>
2608
2609         PR 15007
2610         * c-decl.c (current_file_decl): Rename to all_translation_units,
2611         adjust comment.
2612         (pop_scope): If popping file_scope, construct a
2613         TRANSLATION_UNIT_DECL and make it the context of all the
2614         symbols in the scope.
2615         (push_file_scope): Don't construct a TRANSLATION_UNIT_DECL here.
2616         (pushdecl): Clarify comment.  Do not set DECL_CONTEXT of
2617         anything to current_file_decl.
2618         (pushdecl_top_level): Likewise.
2619         (store_parm_decls_newstyle): Adjust check for nested function.
2620         (c_write_global_declarations): Update for renamed variable.
2621
2622 2004-05-09  Aldy Hernandez  <aldyh@redhat.com>
2623
2624         * config/rs6000/rs6000-protos.h
2625         (rs6000_conditional_register_usage): Protoize.
2626
2627         * config/rs6000/rs6000.c (rs6000_conditional_register_usage): New.
2628
2629         * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Call
2630         function.
2631
2632 2004-05-08  Roger Sayle  <roger@eyesopen.com>
2633
2634         * fold-const.c (fold_div_compare): New function to optimize X/C1 op C2
2635         where op is a comparison operator and C1 and C2 are integer constants
2636         into a range check.
2637         (fold): Call fold_div_compare.
2638
2639 2004-05-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2640
2641         * doc/install.texi (sparc-sun-solaris2*): Document bootstrap
2642         problems with earlier versions of the GNU compiler.
2643
2644 2004-05-07  Aldy Hernandez  <aldyh@redhat.com>
2645
2646         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_mode_ok_p):
2647         Declare.
2648
2649         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok_p): New.
2650         (rs6000_hard_regno_mode_ok): New.
2651         (rs6000_init_hard_regno_mode_ok): New.
2652         (rs6000_override_options): Call rs6000_init_hard_regno_mode_ok.
2653
2654         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Use precomputed
2655         result.
2656
2657 2004-05-07  Ziemowit Laski  <zlaski@apple.com>
2658
2659         * config/rs6000/altivec.h (vector, pixel, bool): Do not
2660         define as macros #ifdef __APPLE_ALTIVEC__.
2661
2662 2004-05-07  Fariborz Jahanian  <fjahanian@apple.com>
2663
2664         * config/rs6000/rs6000.c (rs6000_mixed_function_arg):
2665         Generate appropriate parallels for vector arguments
2666         passed to vararg functions. (function_arg): make the call
2667         to rs6000_mixed_function_arg for vector args as needed.
2668
2669 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2670
2671         * config/mips/mips.c (mips_va_arg): Fix calculation of osize for
2672         EABI_FLOAT_VARARGS_P.
2673
2674 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2675
2676         * config/mips/mips.h (ISA_HAS_BRANCHLIKELY): Remove TARGET_MIPS5500.
2677         * config/mips/mips.c (override_options): Disable branch likely
2678         instructions if TUNE_MIPS5500.
2679
2680 2004-05-07  Richard Sandiford  <rsandifo@redhat.com>
2681
2682         * config/mips/mips.c (override_options): Allow the hi and lo registers
2683         to store any integral mode, not just MODE_INTs.
2684
2685 2004-05-07  Paul Brook  <paul@codesourcery.com>
2686
2687         * config/arm/arm.c (arm_promote_prototypes): Use TARGET_AAPCS_BASED.
2688         * config/arm/arm.h (TARGET_AAPCS_BASED): Define.
2689         (TARGET_DOUBLEWORD_ALIGN): Use it.
2690         (WCHAR_TYPE): Define.
2691         (WCHAR_SIZE_TYPE): Define.
2692         (SIZE_TYPE): Define.
2693
2694 2004-05-07  Uros Bizjak  <uros@kss-loka.si>
2695
2696         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Use
2697         testb $4, %ah insn instead of sahf insn if !TARGET_USE_SAHF.
2698
2699 2004-05-07  Andrew Pinski  <pinskia@physics.uc.edu>
2700
2701         * loop-doloop.c (doloop_valid_p): Make sure that body
2702         gets freed.
2703
2704 2004-05-07  Eric Botcazou  <ebotcazou@act-europe.fr>
2705
2706         * config/sparc/sparc-protos.h (sparc_skip_caller_unimp): New
2707         declaration.
2708         * config/sparc/sparc.c (SKIP_CALLERS_UNIMP_P): Delete.
2709         (sparc_skip_caller_unimp): New global variable.
2710         (sparc_function_epilogue): Set 'sparc_skip_caller_unimp'.
2711         Use it instead of SKIP_CALLERS_UNIMP_P.
2712         * config/sparc/sparc.md (call expander): Add sanity check.
2713         (call_address_struct_value_sp32): Re-sync with expander.
2714         (call_symbolic_struct_value_sp32): Likewise.
2715         (return peepholes): Use 'sparc_skip_caller_unimp' instead
2716         of custom predicate.
2717
2718 2004-05-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2719
2720         PR c++/14962
2721         * c-pragma.c (handle_pragma_redefine_extname): Only change
2722         the assembler name of FUNCTION_DECLs and VAR_DECLs.
2723
2724 2004-05-07  Uros Bizjak  <uros@kss-loka.si>
2725
2726         * optabs.h (enum optab_index): Add new OTI_log1p.
2727         (log1p_optab): Define corresponding macro.
2728         * optabs.c (init_optabs): Initialize log1p_optab.
2729         * genopinit.c (optabs): Implement log1p_optab using log1p?f2
2730         patterns.
2731         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG1P{,F,L}
2732         using log1p_optab.
2733         (expand_builtin): Expand BUILT_IN_LOG1P{,F,L} using
2734         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
2735
2736         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FYL2XP1.
2737
2738         * config/i386/i386.c (ix86_emit_i387_log1p): New function.
2739         * config/i386/i386-protos.h (ix86_emit_i387_log1p):
2740         Prototype here.
2741         * config/i386/i386.md (UNSPEC_FYL2XP1): New unspec to represent
2742         x87's fyl2xp1 instruction.
2743         (*fyl2x_xf3): Rename insn definition to fyl2x_xf3.
2744         (fyl2xp1_xf3): New pattern to implement fyl2xp1 x87 instruction.
2745         (log1psf2, log1pdf2, log1pxf2): New expanders to implement log1pf,
2746         log1p  and log1pl built-ins as inline x87 intrinsics.
2747
2748 2004-05-07  Loren James Rittle  <ljrittle@acm.org>
2749
2750         * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Proper redefinition.
2751         * config/arm/freebsd.h: Likewise.
2752         * config/ia64/freebsd.h: Likewise.
2753         * config/sparc/freebsd.h: Likewise.
2754
2755 2004-05-07  Hans-Peter Nilsson  <hp@axis.com>
2756
2757         PR optimization/15296
2758         * reorg.c (fill_simple_delay_slots): Use next_real_insn when
2759         getting last consecutive label at a branch.
2760         (relax_delay_slots): Similar, near top of loop.
2761
2762 2004-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2763
2764         PR target/15202
2765         * pa.md (movdi, movsi, movhi, movqi): Support move from shift amount
2766         register to general register.
2767
2768 2004-05-07  Alan Modra  <amodra@bigpond.net.au>
2769
2770         * config/rs6000/rs6000.h (STACK_BOUNDARY): Use 128 bit for either
2771         TARGET_ALTIVEC or TARGET_ALTIVEC_ABI.
2772         * config/rs6000/sysv4.h (ABI_STACK_BOUNDARY): Likewise.
2773         (STACK_BOUNDARY): Delete.
2774
2775 2004-05-06  Stuart Hastings  <stuart@apple.com>
2776
2777         * gcc/doc/invoke.texi: Restore -fgcse-after-reload doc from 1.421,
2778         mistakenly clobbered by 1.423.
2779
2780 2004-05-06  Richard Sandiford  <rsandifo@redhat.com>
2781
2782         * doc/invoke.texi: Document -mvr4130-align.
2783         * config/mips/mips.h (MASK_VR4130_ALIGN, TARGET_VR4130_ALIGN)
2784         (TUNE_MIPS4120, TUNE_MIPS4130): New macros.
2785         (TUNE_MACC_CHAINS): Include TUNE_MIPS4120 and TUNE_MIPS4130.
2786         (TARGET_SWITCHES): Add -mvr4130-align and -mno-vr4130-align.
2787         * config/mips/mips.md: Include sched-int.h.
2788         (USEFUL_INSN_P, SEQ_BEGIN, SEQ_END, FOR_EACH_SUBINSN): New macros.
2789         (mips_rtx_costs): Set integer multiplication costs for TUNE_MIPS4130.
2790         (override_options): Enable -mvr4130-align at -O3 and above.
2791         (mips_sim_insn): New variable.
2792         (mips_sim): New structure.
2793         (mips_sim_reset, mips_sim_init, mips_sim_next_cycle, mips_sim_wait_reg)
2794         (mips_sim_wait_regs_2, mips_sim_wait_regs_1, mips_sim_wait_regs)
2795         (mips_sim_wait_units, mips_sim_wait_insn, mips_sim_record_set)
2796         (mips_sim_issue_insn, mips_sim_issue_nop, mips_sim_finish_insn)
2797         (vr4130_avoid_branch_rt_conflict, vr4130_align_insns): New functions.
2798         (mips_reorg): Call vr4130_align_insns.
2799         (vr4130_last_insn): New variable.
2800         (vr4130_true_reg_dependence_p_1, vr4130_true_reg_dependence_p)
2801         (vr4130_swap_insns_p, vr4130_reorder): New functions.
2802         (mips_sched_reorder, mips_variable_issue): Hook in vr4130 code.
2803         (mips_issue_rate): Return 2 for PROCESSOR_R4130.
2804         (mips_use_dfa_pipeline_interface): Return true for the same.
2805         * config/mips/4130.md: New file.
2806         * config/mips/mips.md: Include it.  Add a peephole2 to convert
2807         "mult;mflo" into "mtlo;macc".
2808         (*macc, *umul_acc_di, *smul_acc_di): Use $1 rather than $0 as the
2809         target of maccs.
2810         (*msac_using_macc): New pattern.
2811
2812 2004-05-06  Richard Sandiford  <rsandifo@redhat.com>
2813
2814         * config/mips/5500.md (ir_vr55_store): Set latency to 0.
2815         (ir_vr55_hilo): Split into...
2816         (ir_vr55_mfhilo, ir_vr55_mthilo): ...these new reservations.
2817         (ir_vr55_imul_si, ir_vr55_imadd): Change latency to 5.
2818         (ir_vr55_imul_di): Change latency to 9.  Reserve vr55_mac for 4 cycles.
2819         Add various multiplication bypasses.
2820         * config/mips/mips.c (mips_rtx_costs): Adjust VR5500 costs for integer
2821         multiplication.
2822
2823 2004-05-06  Uros Bizjak  <uros@kss-loka.si>
2824
2825         * config/i386/i386.md (*fscalexf4): Correct insn "mode"
2826         attribute to "XF".
2827
2828 2004-05-05  Uros Bizjak  <uros@kss-loka.si>
2829
2830         * optabs.h (enum optab_index): Add new OTI_fmod and OTI_drem.
2831         (fmod_optab, drem_optab): Define corresponding macros.
2832         * optabs.c (init_optabs): Initialize fmod_optab and drem_optab.
2833         * genopinit.c (optabs): Implement fmod_optab and drem_optab
2834         using fmod?f3 and drem?f3 patterns.
2835         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_FMOD{,F,L}
2836         using fmod_optab and BUILT_IN_DREM{,F,L} using drem_optab.
2837         (expand_builtin): Expand BUILT_IN_FMOD{,F,L} and
2838         BUILT_IN_DREM{,F,L} using expand_builtin_mathfn_2 if
2839         flag_unsafe_math_optimizations is set.
2840
2841         * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FPREM_F,
2842         UNSPEC_FPREM_U, UNSPEC_FPREM1_F and UNSPEC_FPREM1_U.
2843
2844         * config/i386/i386.c (ix86_emit_fp_unordered_jump): New function.
2845         * config/i386/i386-protos.h (ix86_emit_fp_unordered_jump):
2846         Prototype here.
2847         * config/i386/i386.md (UNSPEC_FPREM_F, UNSPEC_FPREM_U,
2848         UNSPEC_FPREM1_F, UNSPEC_FPREM1_U): New unspecs to represent x87's
2849         fprem and fprem1 instructions.
2850         (*x86_fnstsw_1): Change input parameter to (reg:CCFP 18).
2851         Rename insn definition to x86_fnstsw_1.
2852         (fpremxf4, fprem1xf4): New patterns to implement fprem and fprem1
2853         x87 instructions.
2854         (fmodsf3, fmoddf3, fmodxf3): New expanders to implement fmodf, fmod
2855         and fmodl built-ins as inline x87 intrinsics.
2856         (dremsf3, dremdf3, dremxf3): New expanders to implement dremf, drem
2857         and dreml built-ins as inline x87 intrinsics.
2858
2859 2004-05-05  Roger Sayle  <roger@eyesopen.com>
2860
2861         * reload1.c (inherit_piecemeal_p): Mark parameters potentially unused.
2862
2863 2004-05-05  Ian Lance Taylor  <ian@wasabisystems.com>
2864
2865         PR driver/9822
2866         * doc/invoke.texi (Spec Files): Remove documentation of %c.
2867
2868 2004-05-05  Chris Demetriou  <cgd@broadcom.com>
2869
2870         * config/mips/mips.md: Update the msub define_split for new mflo/mfhi
2871         representation.
2872
2873 2004-05-06  Paul Brook  <paul@codesourcery.com>
2874
2875         * config/arm/arm-protots.h (vfp_mem_operand): Rename ...
2876         (arm_coproc_mem_operand): ... To this.
2877         * config/arm/arm.c (arm_legitimate_address_p): Allow ldrd modes.
2878         (arm_legitimate_index_p): Ditto.
2879         (vfp_mem_operand): Rename ...
2880         (arm_coproc_mem_operand): ... To this.  Handle writeback modes.
2881         (vfp_secondary_reload_class): Use it.
2882         (output_move_double): Use doubleword load/store instructions.
2883         (arm_hard_regno_mode_ok): Only allow even reg pairs for ldrd.
2884         * config/arm/arm.h (TARGET_LDRD): Define.
2885         (EXTRA_CONSTRAINT_STR_ARM): Add 'Uy'.
2886         * config/gcc/arm/arm.md (arm_movdi): Allow all valid memory operands.
2887         New splitter for invalid doubleword loads.
2888         * config/arm/iwmmxt.md (iwmmxt_arm_movdi): Use Uy constraint.
2889         * config/arm/vfp.md (arm_movdi_vfp): Allow all valid memory operands.
2890         * doc/md.texi: Document Uy constraint.
2891
2892 2004-05-05  Jan Hubicka  <jh@suse.cz>
2893
2894         PR opt/14980
2895         * cgraphunit.c (cgraph_remove_unreachable_nodes): Deal properly with
2896         inline clones.
2897
2898 2004-05-05  H.J. Lu  <hongjiu.lu@intel.com>
2899
2900         PR target/15290
2901         * config/i386/i386.c (ix86_split_to_parts): Use real_to_target
2902         instead of REAL_VALUE_TO_TARGET_LONG_DOUBLE.
2903
2904 2004-05-05  Mike Stump  <mrs@apple.com>
2905
2906         * config/darwin-c.c (add_framework): Copy the directory name as it
2907         can be freed later.  Also, ensure we always allocate enough room
2908         for the cached framework information.
2909         (find_subframework_header): Keep track of the directory where the
2910         subframework header was found.
2911         (framework_construct_pathname): Speed up by not trying to re-add a
2912         framework.
2913         * cppfiles.c (search_path_exhausted): Arrange for the missing
2914         header callback to be able to set the directory where the header
2915         was found.
2916         (cpp_get_dir): Add.
2917         * cpplib.h (missing_header_cb): Add a parameter.
2918         (cpp_get_dir): Add.
2919
2920 2004-05-03  Mike Stump  <mrs@apple.com>
2921
2922         * doc/invoke.texi (Directory Options): Document -iquote.
2923         * doc/cpp.texi: Likewise.
2924         * doc/cppopts.texi: Likewise.
2925         * c-opts.c (c_common_missing_argument): Add -iquote processing.
2926         (c_common_handle_option): Likewise.
2927         * c.opt (iquote): Add.
2928         * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -iquote.
2929         * c-incpath.c (merge_include_chains): Update comment to use -iquote.
2930
2931         * c-opts.c (case OPT_I): Deprecate -I- support.
2932         * doc/invoke.texi: Likewise.
2933         * doc/cpp.texi: Likewise.
2934         * doc/cppopts.texi: Likewise.
2935
2936 2004-05-05  Steven Bosscher  <stevenb@suse.de>
2937
2938         * basic-block.h (free_basic_block_vars): Update prototype.
2939         * flow.c (free_basic_block_vars): Remove the keep_head_end_p
2940         argument.
2941         (life_analysis): Update call.
2942         * ifcvt.c (if_convert): Likewise.
2943         * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
2944         * passes.c (rest_of_handle_final): Likewise.
2945         (rest_of_compilation): Likewise.
2946         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
2947
2948         * emit-rtl.c (next_real_insn): Use INSN_P.
2949         (prev_real_insn): Likewise.
2950
2951 2004-05-05  Eric Christopher  <echristo@redhat.com>
2952
2953         * config/mips/mips.md: Update the madd define_split for new mflo/mfhi
2954         representation.
2955
2956 2004-05-05  Paolo Bonzini  <bonzini@gnu.org>
2957
2958         * config/rs6000/rs6000.c (build_opaque_vector_type):
2959         New function.
2960         (rs6000_init_builtins): Use it.
2961
2962 2004-05-04  Bernard Giroud  <bgiroud2@free.fr>
2963
2964         * gcc/gcc/vmsdbgout.c (vms_func_node, vms_func_ref): New.
2965         (func_table): Change type from char ** to vms_func_ref.
2966         (write_rtnbeg):  Update to reflect func_table change.  Use
2967         fde->funcdef_number instead of rtnnum in output.
2968         (write_rtnend, vmxdbgout_begin_function, vmsdbgout_init): Likewise.
2969
2970 2004-05-04  Paolo Bonzini  <bonzini@gnu.org>
2971             Richard Henderson  <rth@redhat.com>
2972
2973         PR target/14899
2974
2975         * c-common.c (vector_types_convertible_p): New function.
2976         * c-typeck.c (comptypes): Recurse on vector types.
2977         (convert_for_assignment): Use vector_types_convertible_p.
2978         (digest_init): Use vector_types_convertible_p to check
2979         validness of constant vector initializers; otherwise treat
2980         them as scalars.
2981         * tree.c (make_or_reuse_type): New.
2982         (build_common_tree_nodes): Use it.
2983         * cp/call.c (standard_conversion): Likewise.
2984         * cp/typeck.c (comptypes): Recurse on vector types.
2985         (convert_for_assignment): Use vector_types_convertible_p.
2986
2987 2004-05-04  Chris Demetriou  <cgd@broadcom.com>
2988
2989         * config/mips/mips.c (override_options): Default to no
2990         generation of branch-likely operations when tuning for
2991         CPUs where they tend to have a negative performance impact
2992         (e.g., SB-1).
2993
2994 2004-05-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2995
2996         * expr.c (store_constructor_field): Don't call store_constructor
2997         if bitsize is not a multiple of a byte.
2998
2999 2004-05-04  Richard Sandiford  <rsandifo@redhat.com>
3000
3001         * reload1.c (inherit_piecemeal_p): New function.
3002         (emit_reload_insns): When reloading a group of hard registers, use
3003         inherit_piecemeal_p to decide whether the values of individual hard
3004         registers can be inherited.
3005
3006 2004-05-04  H.J. Lu  <hongjiu.lu@intel.com>
3007
3008         * config/ia64/t-ia64 (LIB2ADDEH): Remove gthr-gnat.c.
3009         * config/s390/t-tpf (LIB2ADDEHDEP): Likewise.
3010         * config/t-linux (LIB2ADDEHDEP): Likewise.
3011
3012 2004-05-04  Paul Brook  <paul@codesourcery.com>
3013
3014         * config/arm/crti.asm: Push an even number of registers.
3015         * config/arm/crtn.asm: And restore them.  Load via sp.
3016
3017 2004-05-04  Paolo Bonzini  <bonzini@gnu.org>
3018
3019         * ggc-zone.c (ggc_alloc_zone_1): Add MEM_STAT_DECL parameter.
3020         Collect overhead information.
3021         (ggc_alloc_stat): New name of ggc_alloc.  Add MEM_STAT_DECL
3022         parameter and pass it through.
3023         (ggc_alloc_typed_stat): New name of ggc_alloc_typed.  Add
3024         MEM_STAT_DECL parameter and pass it through.
3025         (ggc_alloc_zone_stat): New name of ggc_alloc_zone.  Add
3026         MEM_STAT_DECL parameter and pass it through.
3027
3028 2004-05-03  Aldy Hernandez  <aldyh@redhat.com>
3029
3030         * config/rs6000/rs6000-protos.h: Protoize rs6000_hard_regno_nregs.
3031
3032         * config/rs6000/rs6000.c (rs6000_hard_regno_nregs): New.
3033
3034         * config/rs6000/rs6000.h (HARD_REGNO_NREGS): Call
3035         rs6000_hard_regno_nregs.
3036
3037 2004-05-03  Eric Christopher  <echristo@redhat.com>
3038
3039         * config/s390/s390.c (s390_emit_prologue): Call unspec tpf
3040         prologue insn instead of setting up call.
3041         (s390_emit_epilogue): Ditto.
3042         * config/s390/s390.md (prologue_tpf, epilogue_tpf): New patterns.
3043         (define_constants): Add numbers for above patterns.
3044
3045 2004-05-03  Eric Christopher  <echristo@redhat.com>
3046
3047         * config/s390/s390.h (CONDITIONAL_REGISTER_USAGE): Move body...
3048         * config/s390/s390.c (s390_conditional_register_usage): ...here.
3049         * config/s390/s390-protos.h: Prototype.
3050
3051 2004-05-03  Joe Buck <jbuck@welsh-buck.org>
3052
3053         * cppfiles.c (pchf_adder): Eliminate use of |= in d->have_once_only
3054         assignment.
3055
3056 2004-05-03  Eric Christopher  <echristo@redhat.com>
3057
3058         * config/mips/mips.md: Fix branch length attribute definition.
3059
3060 2004-05-03  Aldy Hernandez  <aldyh@redhat.com>
3061
3062         * config.gcc: Remove --enable-altivec support.
3063
3064         * config/rs6000/altivec-defs.h: Remove.
3065
3066 2004-05-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3067
3068         * fixinc/inclhack.def (svr4_profil): Don't apply on IRIX 5/6.
3069         * fixinc/fixincl.x: Regenerate.
3070
3071 2004-05-03  Uros Bizjak  <uros@kss-loka.si>
3072
3073         * config/i386/i386.md (*fyl2x_sfxf3, *fyl2x_dfxf3): Remove insn
3074         definition.
3075         (log?f2, log10?f2, log2?f2): Reimplement expanders with
3076         float_truncate insn.
3077         (*fxtractsf3, *fxtractdf3): Remove insn definition.
3078         (logb?f2): Reimplement expanders with float_truncate insn.
3079
3080 2004-05-03  Graham Stott  <graham.stott@btinternet.com>
3081
3082         PR 14718
3083         * dwarf2out.c (dwarf2out_imported_module_or_decl): Use
3084         force_type_die for CONST_DECL.
3085
3086 2004-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3087             Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3088
3089         * config.gcc (sparc64-*-solaris2*, sparcv9-*-solaris2*): Add
3090         tm-dwarf2.h to tm_file.
3091         (sparc-*-solaris2*): Add tm-dwarf2.h to tm_file for Solaris 7+.
3092         * config/sparc/sol2-bi.h (PREFERRED_DEBUGGING_TYPE): Delete.
3093         (ASM_DEBUG_SPEC): Delete.
3094
3095 2004-05-03  Uros Bizjak  <uros@kss-loka.si>
3096
3097         * optabs.h (enum optab_index): Add new OTI_expm1.
3098         (expm1_optab): Define corresponding macro.
3099         * optabs.c (init_optabs): Initialize expm1_optab.
3100         * genopinit.c (optabs): Implement expm1_optab using expm1?f2
3101         patterns.
3102         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXPM1{,F,L}
3103         using expm1_optab.
3104         (expand_builtin): Expand BUILT_IN_EXPM1{,F,L} using
3105         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
3106
3107         * config/i386/i386.md (expm1df2, expm1sf2, expm1xf2): New expanders
3108         to implement expm1, expm1f and expm1l built-ins as inline x87
3109         intrinsics.
3110
3111 2004-05-02  Alexandre Oliva  <aoliva@redhat.com>
3112
3113         2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
3114         * config/frv/frv.md (*return_true, *return_false): New patterns.
3115
3116 2004-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3117
3118         * rtl.h (PHI_NODE_P): Remove.
3119
3120 2004-05-02  Eric Botcazou  <ebotcazou@act-europe.fr>
3121
3122         PR middle-end/14988
3123         * function.c (assign_stack_local_1): Use BITS_PER_UNIT alignment
3124         when passed -2 as 'align'.
3125         (put_var_into_stack): Use 'bool' as the type for the three local
3126         predicates.  Adjust calls to put_reg_into_stack.
3127         When passed a CONCAT, instruct put_reg_into_stack to use
3128         a consecutive stack slot for the second part.
3129         (put_reg_into_stack): Remove 'promoted_mode' parameter, add
3130         'consecutive_p' parameter.  Turn the three predicates into 'bool'
3131         parameters.  Retrieve the register mode from 'reg'.
3132         When consecutive_p is true, instruct assign_stack_local_1 to use
3133         BITS_PER_UNIT alignment.
3134         (put_addressof_into_stack): Use 'bool' as the type for the two
3135         local predicates. Adjust call to put_reg_into_stack.
3136
3137 2004-05-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3138
3139         * fold-const.c (fold_convert_const, fold): Add missing
3140         FIX_ROUND_EXPR case.
3141
3142 2004-05-02  Alexandre Oliva  <aoliva@redhat.com>
3143
3144         * configure.ac (FLEX, BISON): Only use tools from the build tree
3145         if build equals host.
3146         * configure: Rebuilt.
3147
3148         * config/frv/frv-protos.h (frv_expand_epilogue,
3149         frv_expand_fdpic_call): Add bool argument.
3150         * config/frv/frv.c (frv_function_ok_for_sibcall): New.
3151         (TARGET_FUNCTION_OK_FOR_SIBCALL): Define to it.
3152         (frv_expand_epilogue): Use new argument to decide whether to emit
3153         return instruction or copy the return address to LR.
3154         (frv_expand_fdpic_call): Inline PLT entry when emitting direct
3155         sibcalls.
3156         (sibcall_operand): New.
3157         * config/frv/frv.h (PREDICATE_CODES): call_operand doesn't match
3158         PLUS nor LABEL_REF.  Add sibcall_operand.
3159         * config/frv/frv.md (call, call_value): Pass false to
3160         frv_expand_fdpic_call.
3161         (call_fdpicdi, call_value_fdpicdi): Insert %i0 in calll.
3162         (sibcall, sibcall_internal, sibcall_fdpicdi, sibcall_value,
3163         sibcall_value_internal, sibcall_value_fdpicdi): New.
3164         (return_unsigned_true, return_unsigned_false): New.
3165         (epilogue): Adjust call to frv_expand_epilogue.
3166         (sibcall_epilogue): New.
3167
3168         * config/frv/frv.h (ASM_SPEC): Pass -mno-fdpic as -mnopic.
3169         (CPP_SPEC, CPP_SIMPLE_SPEC): Undefine __FRV_ACC__ and __FRV_FPR__
3170         before redefining them.
3171
3172 2004-05-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3173
3174         * builtins.c (fold_fixed_mathfn): New function.
3175         (fold_builtin_lround, fold_builtin): Use it.
3176
3177 2004-05-01  Jakub Jelinek  <jakub@redhat.com>
3178
3179         * config/sparc/linux64.h (TARGET_DEFAULT): Make 64-bit by default
3180         also for TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3.
3181
3182 2004-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3183
3184         * config/cris/cris.h: Revert my "fix comment typos" patch.
3185
3186 2004-05-01  Richard Sandiford  <rsandifo@redhat.com>
3187
3188         * config/mips/mips.h (TUNE_MACC_CHAINS): Fix comment.
3189
3190 2004-05-01  Falk Hueffner  <falk@debian.org>
3191
3192         * config/alpha/alpha.md (builtin_insbl, builtin_inswl,
3193         builtin_insll): Disallow 0 as first input operand.
3194
3195 2004-05-01  Falk Hueffner  <falk@debian.org>
3196
3197         * config/alpha/alpha.c (alpha_rtx_costs): Fix shiftadd costs.
3198
3199 2004-05-01  Ulrich Weigand  <uweigand@de.ibm.com>
3200
3201         PR middle-end/15054
3202         * expr.c (expand_expr_real): Do not call preserve_temp_slots
3203         on a TARGET_EXPR temp.
3204         * function.c (assign_stack_temp_for_type): Set 'keep' flag for
3205         TARGET_EXPR temp slots.
3206
3207 2004-05-01  Paolo Bonzini  <bonzini@gnu.org>
3208
3209         * simplify-rtx.c (simplify_ternary_operation): When
3210         converting an IF_THEN_ELSE to a relational op, return
3211         correct mode.
3212
3213 2004-04-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3214
3215         * builtins.c (fold_builtin_round): Fix comment typo.
3216         (fold_builtin_lround): New function.
3217         (fold_builtin): Use it.
3218
3219 2004-04-20  Andrew Pinski  <pinskia@physics.uc.edu>
3220
3221         PR target/11608
3222         * config/sh/elf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Update and make it
3223         more like the one in config/dbxelf.h.
3224
3225 2004-04-30  Zack Weinberg  <zack@codesourcery.com>
3226
3227         * tree.h (SET_ARRAY_OR_VECTOR_CHECK): Rename to SET_OR_ARRAY_CHECK
3228         and adjust definition accordingly.
3229         (TYPE_DOMAIN): Allow only SET_TYPE and ARRAY_TYPE.
3230         (TYPE_DEBUG_REPRESENTATION_TYPE): Allow only VECTOR_TYPE.
3231         * expr.c (store_constructor): Do not access TYPE_DOMAIN of a
3232         VECTOR_TYPE.
3233
3234 2004-04-30  Jason Merrill  <jason@redhat.com>
3235
3236         PR c++/14587
3237         * config/i386/winnt.c (associated_type): Look for attributes on
3238         the TYPE_MAIN_VARIANT of *this.
3239         * attribs.c (decl_attributes): If ATTR_FLAG_TYPE_IN_PLACE, also
3240         apply the attributes to the variants.
3241
3242 2004-04-30  Paul Brook  <paul@codesourcery.com>
3243
3244         * config.gcc: Simplify arm --with-{cpu,tune} test.
3245         * config/arm/arm-cores.def: Document whitespace restrictions.
3246
3247 2004-04-30  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3248
3249         PR other/1963
3250         * config/alpha/osf.h (SWITCHES_NEED_SPACES): Define.
3251
3252 2004-04-30  Brian Ford  <ford@vss.fsi.com>
3253             DJ Delorie  <dj@redhat.com>
3254
3255         * config/i386/cygming.h [HAVE_GAS_PE_SECREL32_RELOC]
3256         (DWARF2_DEBUGGING_INFO): Define to enable.
3257         (DBX_REGISTER_NUMBER): Define to use the svr4 register map for
3258         DWARF2.
3259         * configure.ac (Target-specific assembler checks)
3260         <i[34567]86-*-[cygwin*|pe|mingw32*]>: New test for .secrel32
3261         relocs.
3262         * configure: Regenerate.
3263         * config.in: Likewise.
3264
3265         * config/i386/cygming.h [HAVE_GAS_PE_SECREL32_RELOC]
3266         (ASM_OUPUT_DWARF_OFFSET): Define.
3267
3268 2004-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3269
3270         * config/s390/s390-protos.h (s390_emit_epilogue): Parameter added.
3271         (s390_emit_call): New function prototype added.
3272         (s390_tls_get_offset): Function removed.
3273         * config/s390/s390.c (s390_function_ok_for_sibcall,
3274         s390_call_saved_register_used_p): New functions.
3275         (TARGET_FUNCTION_OK_FOR_SIBCALL): Definition of target macro added.
3276         (s390_tls_get_offset): Function merged into s390_emit_tls_call_insn.
3277         (s390_emit_tls_call_insn): New function.
3278         (legitimize_tls_address): Call s390_emit_tls_call_insn instead of
3279         emit_call_insn.
3280         (s390_emit_prologue): Use s390_emit_call instead of emit_call_insn.
3281         (s390_emit_epilogue): Like s390_emit_prologue. Parameter for sibcalls
3282         added.
3283         * config/s390/s390.h (SIBCALL_REGNUM): New macro representing the
3284         register number used to hold the target address for sibcalls.
3285         * config/s390/s390.md ("sibcall", "sibcall_value", "sibcall_epilogue"):
3286         New expanders.
3287         ("*sibcall_br", "*sibcall_brc", "*sibcall_brcl", "*sibcall_value_br",
3288         "*sibcall_value_brc", "*sibcall_value_brcl"): New insns.
3289         ("call_exp", "call_value_exp", "call_value_tls", "call_value_tls_exp"):
3290         Expanders removed.
3291         ("call", "call_value"): Call s390_emit_call to emit the call patterns.
3292         ("*bras", "*brasl", "*bras_r", "*brasl_r", "*bras_tls", "*brasl_tls",
3293         "*basr", "*basr_r", "*basr_tls"): Added constraint: !SIBLING_CALL_P.
3294         ("epilogue"): Changed the call to s390_emit_epilogue to use the
3295         new parameter.
3296
3297 2004-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3298
3299         * bb-reorder.c, c-opts.c, cfglayout.c, cgraph.c, cgraphunit.c,
3300         cppfiles.c, fold-const.c, ggc-zone.c, loop-doloop.c, optabs.c,
3301         reg-stack.c, varasm.c, config/alpha/ev4.md,
3302         config/alpha/ev5.md, config/alpha/ev6.md, config/arm/arm.c,
3303         config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.c,
3304         config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
3305         config/frv/frv.h, config/frv/frv.md, config/h8300/h8300.c,
3306         config/i386/i386.c, config/i386/i386.md, config/i386/winnt.c,
3307         config/ia64/itanium2.md, config/ip2k/ip2k.c,
3308         config/mips/mips.c, config/mips/mips.h, config/mips/sr71k.md,
3309         config/pa/pa.c, config/s390/s390.c, config/sh/sh.c: Fix
3310         comment typos.
3311
3312 2004-04-30  Paul Brook  <paul@codesourcery.com>
3313
3314         * config.gcc: Default ep9312 to hard-float.
3315         * config/arm/arm-cores.def: Add ARCH field.
3316         * config/arm/arm.c (FL_FOR_ARCH*): Define.
3317         (arm_arch_cirrus): New variable.
3318         (all_cores): Set and use arch.
3319         (all_architectures): Ditto.
3320         (arm_arch_name): New variable.
3321         (arm_override_options): Set it. Use [SUB]TARGET_CPU_DEFAULT.
3322         Set and use arm_arch_cirrus.
3323         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Set arch defines.
3324         (enum processor_type): Update ARM_CORE define.
3325         (enum target_cpus): Add.  Replaces TARGET_CPU_* defines.
3326         (CPP_SPEC): Remove %(cpp_cpu_arch).
3327         (CPP_ARCH_DEFAULT_SPEC): Remove.
3328         (CPP_CPU_ARCH_SPEC): Remove.
3329         (EXTRA_SPECS): Don't use CPP_*ARCH*_SPEC.
3330         (FPUTYPE_DEFAULT): Don't define here.
3331
3332 2004-04-30  J"orn Rennecke <joern.rennecke@superh.com>
3333
3334         * flow.c (propagate_one_insn): Call mark_set_regs for stack pointer
3335         updates too.
3336
3337 2004-04-30  Paul Brook  <paul@codesourcery.com>
3338
3339         * arm.c (arm_needs_doubleword_align): Use mode alignment.
3340
3341 2004-04-30  Paolo Bonzini  <bonzini@gnu.org>
3342
3343         * config/altivec/altivec.h [__cplusplus] (vec_subsubs): Rename to
3344         vec_sububs.
3345         [__cplusplus] (vec_subsuhs): Rename to vec_subuhs, without
3346         duplicates.
3347
3348 2004-04-30  Uros Bizjak  <uros@kss-loka.si>
3349
3350         * config/i386/i386.md (atansf2, atandf2, atanxf2): Move near
3351         atan2?f3 expanders.
3352
3353 2004-04-29  Nick Clifton  <nickc@redhat.com>
3354
3355         Bug 14093
3356         * config/sh/sh-protos.h (sh_promote_prototypes): Declare.
3357         * config/sh/sh.c (sh_promote_prototypes): Remove declaration.
3358         Delete static from definition.
3359         * config/sh/sh.h (FUNCTION_VALUE): Add sh_promote_prototypes call.
3360
3361 2004-04-30  Uros Bizjak  <uros@kss-loka.si>
3362
3363         * reg-stack.c (subst_stack_regs_pat): <UNSPEC_SIN, UNSPEC_COS,
3364         UNSPEC_FRNDINT, UNSPEC_F2XM1>: abort() if src1 dies.
3365         <UNSPEC_SINCOS_COS, UNSPEC_TAN_ONE, UNSPEC_XTRACT_FRACT>: Same.
3366         <UNSPEC_SINCOS_SIN, UNSPEC_TAN_TAN, UNSPEC_XTRACT_EXP>: Same.
3367
3368 2004-04-29  Richard Guenther  <richard.guenther@uni-tuebingen.de>
3369
3370         * commom.opt (Wfatal-errors): Add it.
3371         * diagnostic.c (flag_fatal_errors): Define it.
3372         (diagnostic_action_after_output): Check for flag_fatal_errors.
3373         * flags.h (flag_fatal_errors): Declare it.
3374         * opts.c (common_handle_option): Add OPT_Wfatal_errors.
3375         * doc/invoke.texi (Warning Options): Document -Wfatal-errors.
3376
3377 2004-04-30  Josef Zlomek  <zlomekj@suse.cz>
3378
3379         * gcse.c (remove_reachable_equiv_notes): Delete notes also in
3380         blocks which have kill flag set.
3381
3382 2004-04-29  Ben Elliston  <bje@au.ibm.com>
3383
3384         * configure.ac (--with-as): Abort if user-supplied assembler
3385         cannot be executed.
3386         (--with-ld): Likewise for the linker.
3387         * configure: Regenerate.
3388
3389 2004-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3390
3391         * convert.c (convert_to_integer): Ensure `long_integer_type_node'
3392         isn't NULL before using it.
3393