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