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2006-02-01 Jan Hubicka <jh@suse.cz>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-01  Jan Hubicka  <jh@suse.cz>
2
3         * opts.c (no_unit_at_a_time_default): New global variable.
4         (decode_options): Use it.
5         * opts.h (no_unit_at_a_time_default): Declare.
6
7 2006-02-01  Paul Brook  <paul@codesourcery.com>
8
9         * function.c (assign_parm_setup_reg): Use function argument promotion
10         rules.
11         * expr.c (expand_expr_real_1): Use function argument promotion rules
12         for PARM_DECLs.
13
14 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
15
16         * gcc.c (process_command): Change j to 'unsigned int'.
17
18 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
19
20         PR middle-end/26001
21         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
22         Use the corrected index for the character
23         out of the string constant.
24
25 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
26
27         * mode-switching.c (optimize_mode_switching): Fix size
28         allocated for bb_info[n_entities].
29
30 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
31
32         * gcc.c (main): Correct type that is allocated for
33         explicit_link_files.
34
35 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
36
37         * config/s390/s390.c (init_alignment_context): Set
38         ALIAS_SET_MEMORY_BARRIER on the MEM.
39         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
40
41 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
42
43         PR middle-end/25933
44         * loop-unroll.c (unroll_loop_runtime_iterations): Free
45         dom_bbs pointer.
46         * tree-ssa-live.c (type_var_init): Allocate bitmap after
47         call to tpa_init.
48
49 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
50
51         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
52         * regrename.c: Ditto.
53         * tree-ssa-loop-im.c: Ditto.
54         * tree-dump.c: Ditto.
55         * tree-complex.c: Ditto.
56         * genrecog.c: Ditto.
57         * tree-ssa-threadupdate.c: Ditto.
58         * tracer.c: Ditto.
59         * java/class.c: Ditto.
60         * java/jcf-parse.c: Ditto.
61         * java/resource.c: Ditto.
62         * java/except.c: Ditto.
63         * java/jvspec.c: Ditto.
64         * java/jcf-write.c: Ditto.
65         * java/jcf-path.c: Ditto.
66         * java/gjavah.c: Ditto.
67         * java/zextract.c: Ditto.
68         * java/jcf-io.c: Ditto.
69         * java/jcf.h: Ditto.
70         * java/buffer.c: Ditto.
71         * java/lang.c: Ditto.
72         * java/parse-scan.y: Ditto.
73         * java/lex.c: Ditto.
74         * java/lex.h: Ditto.
75         * cfgloopmanip.c: Ditto.
76         * postreload-gcse.c: Ditto.
77         * tree-ssa-loop-manip.c: Ditto.
78         * postreload.c: Ditto.
79         * tree-ssa-loop-ch.c: Ditto.
80         * loop.c: Ditto.
81         * ipa-cp.c: Ditto.
82         * cppspec.c: Ditto.
83         * diagnostic.c: Ditto.
84         * final.c: Ditto.
85         * genoutput.c: Ditto.
86         * gcc.c: Ditto.
87         * cfghooks.c: Ditto.
88         * cfgloopanal.c: Ditto.
89         * objc/objc-act.c: Ditto.
90         * gcov.c: Ditto.
91         * genextract.c: Ditto.
92         * genautomata.c: Ditto.
93         * pretty-print.c: Ditto.
94         * genemit.c: Ditto.
95         * cgraphunit.c: Ditto.
96         * flow.c: Ditto.
97         * df-scan.c: Ditto.
98         * haifa-sched.c: Ditto.
99         * dominance.c: Ditto.
100         * dbxout.c: Ditto.
101         * tree-ssa-loop-ivopts.c: Ditto.
102         * df-core.c: Ditto.
103         * mode-switching.c: Ditto.
104         * modulo-sched.c: Ditto.
105         * graph.c: Ditto.
106         * ipa-pure-const.c: Ditto.
107         * cse.c: Ditto.
108         * fix-header.c: Ditto.
109         * web.c: Ditto.
110         * tree-stdarg.c: Ditto.
111         * ipa-utils.c: Ditto.
112         * loop-init.c: Ditto.
113         * ipa-inline.c: Ditto.
114         * cfganal.c: Ditto.
115         * global.c: Ditto.
116         * alloc-pool.c: Ditto.
117         * dwarf2out.c: Ditto.
118         * opts.c: Ditto.
119         * genattrtab.c: Ditto.
120         * tree-ssa-loop-ivcanon.c: Ditto.
121         * predict.c: Ditto.
122         * timevar.c: Ditto.
123         * lcm.c: Ditto.
124         * fortran/gfortranspec.c: Ditto.
125         * regmove.c: Ditto.
126         * local-alloc.c: Ditto.
127         * langhooks.c: Ditto.
128         * function.c: Ditto.
129         * tree-vectorizer.c: Ditto.
130         * gcse.c: Ditto.
131         * ipa-type-escape.c: Ditto.
132         * alias.c: Ditto.
133         * tree-if-conv.c: Ditto.
134         * profile.c: Ditto.
135         * ipa.c: Ditto.
136         * tree-data-ref.c: Ditto.
137         * loop-unroll.c: Ditto.
138         * treelang/treetree.c: Ditto.
139         * calls.c: Ditto.
140         * bt-load.c: Ditto.
141         * ggc-common.c: Ditto.
142         * except.c: Ditto.
143         * coverage.c: Ditto.
144         * cselib.c: Ditto.
145         * tree-cfgcleanup.c: Ditto.
146         * tree-ssa-pre.c: Ditto.
147         * cfgcleanup.c: Ditto.
148         * loop-invariant.c: Ditto.
149         * loop-iv.c: Ditto.
150         * ipa-prop.c: Ditto.
151         * print-tree.c: Ditto.
152         * conflict.c: Ditto.
153         * ggc-page.c: Ditto.
154         * sched-deps.c: Ditto.
155         * regclass.c: Ditto.
156         * tree-object-size.c: Ditto.
157         * combine.c: Ditto.
158         * bb-reorder.c: Ditto.
159         * resource.c: Ditto.
160         * var-tracking.c: Ditto.
161         * cfgloop.c: Ditto.
162         * df-problems.c: Ditto.
163         * reg-stack.c: Ditto.
164         * tlink.c: Ditto.
165         * gccspec.c: Ditto.
166         * sched-rgn.c: Ditto.
167         * tree-ssa-structalias.c: Ditto.
168         * tree-ssa-reassoc.c: Ditto.
169         * config/darwin-c.c: Ditto.
170         * config/darwin.c: Ditto.
171         * config/arm/arm.c: Ditto.
172         * cfgrtl.c: Ditto.
173         * collect2.c: Ditto.
174         * reload1.c: Ditto.
175
176 2006-01-31  Nicolas Pitre  <nico@cam.org>
177
178         * arm.md (smaxsi3): Make aware of smax_m1.
179         (smax_m1): New.
180
181 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
182
183         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
184
185 2006-01-31  Richard Guenther  <rguenther@suse.de>
186
187         * doc/invoke.texi (-msselibm): Document.
188         * target.h (expand_library_builtin): New target hook.
189         * builtins.c (expand_builtin): Use expand_library_builtin.
190         (default_expand_library_builtin): New function.
191         * gcc.c (LINK_GCC_MATH_SPEC): Define.
192         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
193         (link_gcc_math_spec): Declare.
194         (static_specs): Add link_gcc_math_spec.
195         * expr.h (default_expand_library_builtin): Declare.
196         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
197         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
198         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
199         * config/i386/i386.opt (msselibm): New target option.
200         * config/i386/i386.c (ix86_builtin_function_variants): New array.
201         (ix86_init_sse_abi_builtins): New function.
202         (ix86_expand_library_builtin): Likewise.
203         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
204         (override_options): Handle error conditions wrt -msselibm.
205         (ix86_builtins): Add function codes for SSE2 ABI builtins.
206         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
207         * doc/extend.texi (__builtin_sse2_*): Document new target specific
208         builtins.
209
210 2006-01-31  Richard Guenther  <rguenther@suse.de>
211         Paolo Bonzini  <bonzini@gnu.org>
212
213         * doc/install.texi (--disable-libgcc-math): Document.
214
215 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
216
217         * expr.h (expand_normal): new inline function.
218         * builtins.c: use it, use EXPAND_NORMAL explicitely.
219         * dojump.c: use it.
220         * dwarf2out.c: use it.
221         * expr.c: use it.
222         * calls.c: use it.
223         * expmed.c: use it.
224         * except.c: use it.
225         * config/sparc/sparc.c: use it.
226         * config/i386/i386.c: use it.
227         * config/rs6000/rs6000.c: use it.
228         * config/arm/arm.c: use it.
229         * config/mips/mips.c: use it.
230         * stmt.c: use it, use EXPAND_NORMAL explicitely.
231
232 2006-01-30  Roger Sayle  <roger@eyesopen.com>
233
234         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
235         argv to the appropriate type.
236
237 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
238
239         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
240         unreachable code.
241
242 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
243
244         PR target/26018
245         * config/s390/s390.c (struct machine_function): New flag
246         decomposed_literal_pool_addresses_ok_p.
247         (s390_reorg): Set it before final stage of literal pool transforms.
248         (s390_decompose_address): Only accept displacements of the form
249         (minus (label_ref ...) (label_ref ...)) if that flag is set.
250
251 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
252
253         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
254         the comparison routine return.
255
256 2006-01-30  Michael Matz  <matz@suse.de>
257
258         * global.c (find_reg): Only evict for global regs.
259         Take n_refs into account and dump more info.
260
261 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
262
263         PR target/14798:
264         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
265         (pragma_trap, pragma_nosave_low_regs): Likewise.
266         (current_function_anonymous_args): Likewise.
267         (sh_deferred_function_attributes): New variable.
268         (sh_deferred_function_attributes_tail): Likewise.
269         (print_operand): For '@', look up trap_exit attribute.
270         (calc_live_regs): Look up trapa_handler attribute.  For trapa
271         handlers, save/restore fpscr, but don't do any other
272         interrupt-specific saves.
273         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
274         Fix check for partially saved registers to check for SHmedia.
275         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
276         (sh_output_function_epilogue): Don't clear any of the removed
277         variables.
278         (sh_insert_attributes): Don't check pragma_interrupt.
279         Insert deferred attributes.  Check that interrupt attribute is
280         present for other attributes that require its presence.
281         (sh_attribute_table): Add new attributes trapa_handler and
282         nosave_low_regs.
283         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
284         Don't check for pragma_interrupt.  Don't store argument.
285         * sh.h (pragma_interrupt, sp_switch): Don't declare.
286         (sh_deferred_function_attributes): Declare.
287         (sh_deferred_function_attributes_tail): Likewise.
288         * sh.md (sp_switch_1): Add operand.  Change generator caller.
289         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
290         (*return_i): Don't use when trap_exit attribute is in effect.
291         (*return_trapa): New insn pattern.
292         * sh-c.c: New file.
293         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
294         setting c_target_objs and cxx_target_objs.
295         * t-sh: Add rule for sh-c.o.
296
297 2006-01-30  Richard Guenther  <rguenther@suse.de>
298
299         PR c++/23372
300         * gimplify.c (gimplify_target_expr): Handle easy cases
301         without creating a temporary.
302
303 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
304
305         * vec.h (safe_grow): Remove duplicated line.
306
307 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
308
309         PR 25874
310         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
311         (expand_omp): ... here.
312         (expand_omp_parallel): Only remove barriers for combined
313         parallel+workshare constructs.
314
315 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
316
317         Revert
318
319         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
320         * tree.c (build_qualified_type): Chain the new type to the original
321         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
322         a POINTER_TYPE or a REFERENCE_TYPE respectively.
323         (build_pointer_type_for_mode): Only return unqualified types.
324         (build_reference_type_for_mode): Likewise.
325
326 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
327
328         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
329         * Makefile.in (CXX_COMPAT_WARN): Define.
330         * configure: Regenerate.
331
332 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
333
334         PR tree-opt/25911
335         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
336         to an if check.
337
338 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
339
340         * toplev.c: Fix thinko.
341
342 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
343             Marcin Dalecki  <martin@dalecki.de>
344
345         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
346         (push_srcloc): Use XNEW.
347         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
348
349 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
350
351         * df-core.c (df_set_blocks): Deleted all variable.
352
353 2006-01-28  Ian Lance Taylor  <ian@airs.com>
354
355         * cgraphunit.c (cgraph_assemble_pending_functions): Call
356         cgraph_output_pending_asms.
357
358 2006-01-28  Zack Weinberg  <zackw@panix.com>
359
360         * c.opt: Add -W(no-)overlength-strings.
361         * doc/invoke.texi: Document it.
362         * c-opts.c (c_common_handle_option): -pedantic implies
363         -Woverlength-strings, if not explicitly disabled already.
364         (c_common_post_options): -Woverlength-strings defaults to off, and
365         is always off for C++.
366         * c-common.c (fix_string_type): Issue warning about strings longer
367         than is portable only if warn_overlength_strings.  Rearrange code
368         a little for clarity.
369         * configure.in: Check for -Wno-overlength-strings as well before
370         enabling -pedantic in stage 1.
371         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
372         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
373
374         * genconditions.c (write_header, write_one_condition)
375         (write_conditions, write_writer): Consolidate very long strings
376         that were broken up to fit in C89 portable limit.  Don't use
377         printf when fputs will do.
378
379 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
380
381         * combine.c (simplify_comparison <AND>): Check
382         TRULY_NOOP_TRUNCATION before start using a subreg.
383
384         * config/mips/mips.md (*branch_zero<mode>,
385         *branch_zero<mode>_inverted, *branch_equality<mode>,
386         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
387         Remove mode check from comparisons.
388
389 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
390
391         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
392
393 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
394
395         * expmed.c (const_mult_add_overflow_p): Remove.
396         * expr.h: Remove the prototype for const_mult_add_overflow_p.
397
398         * recog.c (validate_replace_rtx_subexp): Remove.
399         * recog.h: Remove the prototype for
400         validate_replace_rtx_subexp.
401
402         * integrate.h: Remove the prototype for
403         copy_decl_for_inlining.
404         * rtl.h: Remove the prototype for mark_constant_function.
405         * tree-vectorizer.h: Remove the prototype for
406         vect_strip_conversion.
407
408         * modulo-sched.c (create_partial_schedule,
409         free_partial_schedule, reset_partial_schedule): Make them
410         static.
411
412         * hooks.c (hook_bool_rtx_int_false): Remove.
413         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
414
415 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
416
417         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
418         and -mlong-double-128 are incompatible.
419         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
420         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
421         (TARGET_LIBGCC2_CFLAGS): Define.
422         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
423         (TARGET_LIBGCC2_CFLAGS): Same.
424         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
425
426 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
427
428         PR c/19606.
429         * c-typeck.c (build_binary_op): Perform implicit casts of
430         operands before shortening them.
431
432         * cfgloopmanip.c (split_loop_bb): Remove.
433         * cfgloop.h: Remove the prototype for split_loop_bb.
434
435         * cfgloop.c (flow_loop_outside_edge_p): Remove.
436         * cfgloop.h: Remove the prototype for
437         flow_loop_outside_edge_p.
438
439         * emit-rtl.c (init_virtual_regs): Make it static.
440         * function.h: Remove the prototype for init_virtual_regs.
441
442         * recog.c (peephole2_optimize): Make it static.
443         * recog.h: Remove the prototype for peephole2_optimize.
444
445 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
446
447         * df-scan.c (df_record_entry_block_defs): Check if
448         INCOMING_RETURN_ADDR_RTX is defined.
449
450 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
451             Kenneth Zadeck <zadeck@naturalbridge.com>
452
453         PR rtl-optimization/24762
454         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
455         * targhooks.c (hook_void_bitmap): New hook prototype.
456         * targhoohs.h (hook_void_bitmap): Ditto.
457         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
458         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
459         * target.h (live_on_entry): New function pointer.
460         * df-scan.c (df_all_hard_regs): Removed.
461         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
462         (df_scan_free_internal): Added df->entry_block_defs.
463         (df_scan_alloc): Ditto.
464         (df_scan_dump): Ditto.
465         (df_uses_record): Plumbed flag field properly thru calls.
466         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
467         This part fixes PR24762.
468         (df_bb_refs_record): Added code to make the frame and arg
469         pointers live in EH blocks.
470         (df_refs_record): Added call to df_record_entry_block_defs.
471         (df_record_entry_block_defs): New function.
472         * df-core.c: Added comments to describe new artifical defs.
473         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
474         (entry_block_defs): New field in struct df.
475         (df_all_hard_regs): Deleted.
476         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
477         * df-problems.c (df_ru_bb_local_compute_process_def):
478         Added code to handle artifical defs in the entry to a function.
479         (df_ru_bb_local_compute): Ditto.
480         (df_rd_bb_local_compute_process_def):  Ditto.
481         (df_rd_bb_local_compute): Ditto.
482         (df_lr_bb_local_compute): Ditto.
483         (df_ur_bb_local_compute): Ditto.
484         (df_urec_bb_local_compute):  Ditto.
485         (df_chain_create_bb):  Ditto.
486         (df_ur_local_finalize): Removed entry.
487         (df_urec_init): Ditto.
488         (df_urec_local_finalize): Ditto.
489         (df_ri_bb_compute): Added detection of last use of pseudos.
490         * Makefile.in (df-scan.o): Updated dependencies.
491         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
492         * config/mips/mips.c (mips_set_live_on_entry): Added.
493         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
494         for target hook.
495         * dce.c (marked_insn_p): Added code to handle artifical defs.
496
497 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
498
499         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
500         intrinsic.
501         (_mm_cvtsi128_si64): Likewise.
502         (_mm_cvtsd_si64): Likewise.
503         (_mm_cvttsd_si64): Likewise.
504         (_mm_cvtsi64_sd): Likewise.
505         (_mm_cvtsi64_si128): Likewise.
506         * config/i386/mmintrin.h (_m_from_int64): Likewise.
507         (_mm_cvtsi64_m64): Likewise.
508         (_m_to_int64): Likewise.
509         (_mm_cvtm64_si64): Likewise.
510         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
511         (_mm_cvttss_si64): Likewise.
512         (_mm_cvtsi64_ss): Likewise.
513         (_mm_cvtss_f32): Likewise.
514
515 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
516
517         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
518         for pragma redefine_extname.
519
520 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
521
522         PR target/25864
523         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
524         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
525         -mno-minimal-toc to previous content.
526         (bispecs): Remove goal.
527         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
528         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
529         compatibility aliases on powerpc-*-*gnu*.
530         * config/rs6000/libgcc-ppc-glibc.ver: New file.
531         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
532         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
533         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
534         (ldblspecs): New goal.
535         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
536         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
537         _df_to_tf.
538         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
539         L_sf_to_tf or L_df_to_tf is defined.
540
541 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
542             Alan Modra  <amodra@bigpond.net.au>
543
544         PR target/25864
545         * config/rs6000/linux.h (POWERPC_LINUX): Define.
546         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
547         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
548         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
549         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
550         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
551         (rs6000_override_options): Initialize rs6000_ieeequad.
552         Initialize TFmode format to ibm_extended_format if not
553         TARGET_IEEEQUAD.
554         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
555         ieeelongdouble.
556         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
557         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
558         (function_arg_advance): IBM long double passed in two FPRs, not
559         split.
560         (function_arg): IBM long double passed in FPRs.
561         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
562         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
563         Only multireg GPR aligned.
564         (rs6000_init_libfuncs): Enable IBM long double functions if not
565         IEEEQUAD.
566         (rs6000_generate_compare): Use IBM long double compare if not
567         TARGET_IEEEQUAD.
568         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
569         (TARGET_IEEEQUAD): Define.
570         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
571         not TARGET_IEEEQUAD.
572         * config/rs6000/rs6000.md: Enable TFmode patterns if
573         !TARGET_IEEEQUAD.
574         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
575         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
576         and -mlong-double-128 are incompatible.
577         * doc/invoke.texi (-mabi): Collect options together.  Add
578         ibmlongdouble and ieeelongdouble.
579
580 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
581
582         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
583         opaque type.
584         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
585         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
586         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
587         * rtl.h (rtunion_def): Remove rt_ptr.
588         (X0PTR): Delete.
589         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
590         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
591         * config/i386/winnt.c (i386_pe_mark_dllexport)
592         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
593
594 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
595
596         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
597
598 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
599
600         PR other/24829
601         PR target/24831
602         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
603         pthread_key_delete.  From John David Anglin.  gthrw-ify
604         pthread_getunique_np only if it it's not a macro.  Delete
605         UNUSED macro.
606         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
607         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
608         __gthread_objc_condition_signal, __gthread_key_delete): Add
609         "__attribute__ ((__unused__))" to unused arguments.
610         (__gthread_recursive_mutex_init_function): Add missing return.
611         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
612         gthr-posix95.h: Use macro-based approach for name redirection
613         on targets missing weakref.
614
615 2006-01-26  Zack Weinberg  <zackw@panix.com>
616
617         * genconditions.c (write_header): In generated code, #ifdef out
618         all includes and fake declarations, except includes of bconfig.h
619         and system.h, unless GCC_VERSION >= 3001.  Do not include
620         gensupport.h in any case.
621         (write_conditions): Generate a definition of struct c_test.  Add
622         a comment to the generated #endif.
623         (write_one_condition): Escape backslashes in string too.
624         (write_writer): Generated code must escape backslashes and quote
625         marks (but not newlines) in the strings it writes.
626         * Makefile.in (build/gencondmd.o): Update dependencies.
627
628 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
629
630         PR target/25961
631         * Makefile.in (insn-automata.o): Add header file dependencies.
632         * genautomata.c: Add includes.
633
634 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
635
636         PR target/25961
637         * Makefile.in (insn-automata.o): Add -Wno-error flag.
638
639 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
640
641         * configure.ac: Expect target tools paths to be passed from the toplevel
642         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
643         AS_SET_VAR_IF.
644         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
645
646 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
647
648         PR c/25892
649         * c.opt (Wpointer-sign): Init to -1.
650         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
651         OPT_pedantic, to 0 otherwise.
652         * doc/invoke.texi: Update.
653
654 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
655
656         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
657         constants provided by 80387 instructions in the destination mode.
658
659 2006-01-26  Richard Guenther  <rguenther@suse.de>
660             Andrew Pinski  <pinskia@physics.uc.edu>
661
662         PR tree-opt/21470
663         partial PR tree-opt/17064
664         * tree-ssa-structalias.c (intra_create_variable_infos):
665         Create heap variables for incoming parameters if
666         flag_argument_noalias > 1.
667         (find_what_p_points_to): Look through default defs of
668         parameter decls.
669
670 2006-01-26  Jeff Law  <law@redhat.com>
671
672         PR ada/25900
673         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
674         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
675         within the VR_RANGE, use the VR_RANGE as the result, not the
676         VR_ANTI_RANGE.
677         (adjust_range_with_scev): Reject ranges from SCEV which are out
678         of bounds for the type.
679
680 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
681
682         * tree-ssa-alias.c (maybe_create_global_var): Change
683         subvar walking to an assertion that we don't have subvar'd variables.
684
685 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
686
687         PR C/25861
688         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
689         Use a new variable, inner.  PARM_DECLs are always non-weak.
690
691 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
692
693         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
694         --disable-checking.
695
696 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
697
698         * config/mips/mips.md (*clear_upper32): New combiner pattern.
699
700 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
701
702         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
703         (smax_insn, smin_insn, smax_0, smin_0): New.
704
705 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
706
707         PR target/25947
708         * config/cris/cris.c (cris_order_for_addsi3): New function.
709         * config/cris/cris-protos.h: Prototype it.
710         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
711         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
712         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
713         (split for "op.S1 [rx=rx+i],ry (swapped)")
714         (split for "op(s|u).S1 [rx=rx+i],ry")
715         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
716         Apply cris_order_for_addsi3 when generating addsi3 insns.
717
718 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
719
720         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
721         (TREE_BLOCK): Add call to EXPR_CHECK.
722
723 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
724
725         PR 25886
726         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
727         * tree-pretty-print.c (dump_omp_clause): Extract from ...
728         (dump_omp_clauses): ... here.
729         (dump_generic_node): Handle OMP_CLAUSE.
730         * tree.c (omp_clause_num_ops): New.
731         (omp_clause_code_name): New.
732         (tree_code_size): Handle OMP_CLAUSE.
733         (tree_size): Likewise.
734         (make_node): Document handling of OMP_CLAUSE.
735         (tree_node_structure): Handle OMP_CLAUSE.
736         (omp_clause_check_failed): New.
737         (omp_clause_range_check_failed): New.
738         (omp_clause_operand_check_failed): New.
739         (build_omp_clause): New.
740         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
741         * tree.h (enum omp_clause_code): Declare.
742         (OMP_CLAUSE_SUBCODE_CHECK): Define.
743         (OMP_CLAUSE_RANGE_CHECK): Define.
744         (OMP_CLAUSE_ELT_CHECK): Define.
745         (omp_clause_check_failed): Declare.
746         (omp_clause_operand_check_failed): Declare.
747         (omp_clause_range_check_failed): Declare.
748         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
749         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
750         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
751         (OMP_CLAUSE_LASTPRIVATE): Likewise.
752         (OMP_CLAUSE_IF_EXPR): Likewise.
753         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
754         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
755         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
756         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
757         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
758         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
759         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
760         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
761         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
762         (OMP_CLAUSE_CODE): Define.
763         (OMP_CLAUSE_SET_CODE): Define.
764         (OMP_CLAUSE_CODE): Define.
765         (OMP_CLAUSE_OPERAND): Define.
766         (struct tree_omp_clause): Declare.
767         (union tree_node): Add field 'omp_clause'.
768         * treestruct.def (TS_OMP_CLAUSE): Define.
769         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
770         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
771         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
772         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
773         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
774         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
775         (OMP_CLAUSE): Define.
776         * print-tree.c (print_node): Handle OMP_CLAUSE.
777         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
778         * c-typeck.c: Likewise.
779         * gimplify.c: Likewise.
780         * c-omp.c: Likewise.
781         * tree-nested.c: Likewise.
782         * tree-inline.c: Likewise.
783         * c-parser.c: Likewise.
784         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
785         clauses.
786
787 2006-01-25  Roger Sayle  <roger@eyesopen.com>
788
789         PR rtl-optimization/25703
790         * combine.c (try_combine): Handle zero_extract and strict_low_part
791         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
792
793 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
794
795         * global.c: Fix comment typos.
796
797 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
798
799         PR target/25758
800         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
801         Use output_addr_const instead of assemble_name.
802
803 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
804
805         * Makefile.in (sched-vis.o): Update dependencies.
806         * haifa-sched.c (sched_finish): Clear current_sched_info.
807         * cfg.c (dump_bb_info): New, split from dump_flow_info.
808         (dump_flow_info): Call it.
809         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
810         a slim RTL dump.
811         * basic-block.h (dump_bb_info): Declare.
812         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
813         option, and apply options only for dump files whose TDF_RTL,
814         TDF_TREE, or TDF_IPA bits match.
815         * rtl.h: Declare new functions exported from sched-vis.c.
816         * sched-vis.c: Enable also if scheduling is not used.
817         (print_value): Print the mode of registers if not inside scheduling.
818         (print_insn): Make it work outside the scheduler.  Beautify the output
819         a bit.
820         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
821
822 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
823
824         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
825         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
826         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
827         depending on the value of CONSTANT_POOL_ADDRESS_P.
828         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
829         SYMBOL_REF_DECL.
830         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
831         rather than SYMBOL_REF_DECL.
832         (rtx_constant_pool): Remove const_rtx_sym_htab.
833         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
834         (init_varasm_status): Don't initialize const_rtx_sym_htab.
835         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
836         Remove handling of const_rtx_sym_htab.
837         (find_pool_constant): Delete.
838         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
839         rather than find_pool_constant.
840         (get_pool_constant_for_function): Delete.
841         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
842         find_pool_constant.
843         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
844         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
845         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
846         (SYMBOL_REF_CONSTANT): New macro.
847         (get_pool_constant_for_function): Delete.
848         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
849         rather than SYMBOL_REF_DECL.
850         (i386_pe_mark_dllimport): Likewise.
851         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
852         rather than SYMBOL_REF_DECL.
853         * config/darwin.c (machopic_indirect_data_reference): Likewise.
854         (machopic_indirect_call_target): Likewise.
855
856 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
857
858         * flow.c (delete_noop_moves): Add missing EOL to dump message.
859
860 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
861
862         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
863
864 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
865
866         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
867
868 2006-01-24  David Daney  <ddaney@avtrex.com>
869
870         PR java/25816
871         * configure.ac (enable_tls): New enable option.
872         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
873         * configure: Regenerate.
874         * doc/install.texi (--enable-tls): Document new option.
875         (--disable-tls): Ditto.
876
877 2006-01-24  Richard Henderson  <rth@redehat.com>
878
879         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
880         * alias.c (true_dependence): Respect it.
881         (canon_true_dependence, write_dependence_p): Likewise.
882         * builtins.c (get_builtin_sync_mem): Set it.
883
884 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
885
886         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
887         efficient way.
888
889 2006-01-24  DJ Delorie  <dj@redhat.com>
890
891         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
892         for storing constants in single-bit bitfields.
893
894 2006-01-25  Ben Elliston  <bje@au.ibm.com>
895
896         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
897
898 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
899
900         PR tree-opt/25860
901         * tree-ssa-pre.c (phi_translate): Return NULL
902         for AGGREGATE_TYPE's.
903
904 2006-01-24  Zack Weinberg  <zackw@panix.com>
905
906         * genautomata.c (process_state_for_insn_equiv_partition):
907         Use xcalloc for insn_arcs_array.
908         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
909         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
910
911 2006-01-24  Richard Henderson  <rth@redhat.com>
912
913         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
914         update all callers.
915
916 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
917
918         PR rtl-optimization/25890
919         PR rtl-optimization/25905
920         * combine.c (expand_compound_operation, expand_field_assignment):
921         Fail if the bitfield's final position is out of bounds.
922
923 2006-01-24  Ian Lance Taylor  <ian@airs.com>
924
925         PR middle-end/25930
926         * cgraphunit.c (cgraph_output_in_order): Don't clear
927         cgraph_asm_nodes until after asm strings have been output.
928
929 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
930
931         * fix-header.c (read_scan_file): Add new parameter imultilib when
932         calling register_include_chains.
933
934 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
935
936         * omp-low.c: Update documentation.
937
938 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
939             Daniel Berlin  <dberlin@dberlin.org>
940
941         PR tree-opt/25315
942         PR tree-opt/25857
943         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
944         return from the function.
945
946 2006-01-22  Zack Weinberg  <zackw@panix.com>
947
948         * rtl.def (match_code): Add second argument.
949         * genpreds.c (write_extract_subexp): New function.
950         (write_match_code): Add path argument.  Use write_extract_subexp.
951         (write_predicate_expr): Pass path to write_match_code.
952         (mark_mode_tests): MATCH_CODE applied to a subexpression does
953         not perform a mode test.
954         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
955         a subexpression does not constrain the top-level code set.
956         * read-rtl.c (read_rtx_variadic): New function.
957         (read_rtx_1): Use it; allow AND and IOR to be variadic.
958         * doc/md.texi: Document new notation.
959         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
960         (cmpsi_operand): ... here, using new notation.
961
962 2006-01-22  Zack Weinberg  <zackw@panix.com>
963
964         * varray.c: Remove GENERATOR_FILE #ifdefs.
965
966 2006-01-22  Zack Weinberg  <zackw@panix.com>
967
968         * genautomata.c (output_reserved_units_table): Emit nothing if
969         description->query_units_num is zero.  Remove extra blank line.
970         (output_cpu_unit_reservation_p): Short circuit
971         if description->query_units_num is zero.
972
973 2006-01-22  Zack Weinberg  <zackw@panix.com>
974
975         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
976         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
977         nor any of the random handful of variables that used to be necessary
978         when this program was linked with rtlanal.o.  Prune set of forward
979         function declarations.
980         (struct attr_desc): Remove static_p field.
981         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
982         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
983         (attr_string): Do not read the character one past the length of
984         the string.
985         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
986         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
987         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
988         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
989         (make_automaton_attrs): New.
990         (main): Do not call into genautomata.  Call local gen_bypass
991         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
992         Remove special case for insn_alts.
993         * genautomata.c: Include gensupport.h; not genattrtab.h nor
994         varray.h (leftover from previous change).  Prune set of forward
995         function declarations.  Remove state_alts fields from all
996         structures.  Remove state_alts_table from struct automaton.
997         Make everything except main static.  Do not maintain num_dfa_decls.
998         Do not maintain state_alts fields of various structures.
999         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1000         (add_arc): Remove state_alts argument.  All callers updated.
1001         (output_reserved_units_table): Emit #ifdef here...
1002         (output_tables): ...not here.  Don't generate state_alts tables.
1003         (expand_automata): Don't generate attributes.
1004         (write_automata): Don't generate state_alts functions.
1005         (main): New function.
1006         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1007         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1008         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1009         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1010         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1011         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1012         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1013         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1014         Delete.
1015         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1016         * genattrtab.h: Delete file.
1017         * Makefile.in (OBJS-common): Add insn-automata.o.
1018         (insn-automata.o): New rule.
1019         (simple_generated_c): Add insn-automata.c.
1020         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1021         (genprogmd): Add automata.
1022         (build/genattrtab): Needs no extra objects nor libraries.
1023         (build/genautomata): Needs build/vec.o and -lm.
1024
1025 2006-01-22  Zack Weinberg  <zackw@panix.com>
1026
1027         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1028         (output_dfa_max_issue_rate, locked_states_num): Delete.
1029         (struct automaton): Add locked_states field.
1030         (output_dead_lock_vect): Save number of locked states in
1031         automaton->locked_states.  If it is zero, don't print anything.
1032         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1033         (output_internal_dead_lock_func): Only test the dead_lock_vect
1034         for automata that have locked states.
1035         (output_statistics): Always print the number of locked states for
1036         each automaton.  Calculate total number of locked states here.
1037         (write_automata): Don't call output_dfa_max_issue_rate.
1038         * genattrtab.c: Define length_unit_log as a const variable.
1039         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1040         max_insn_queue_index const.
1041         * final.c (length_unit_log): Declare const.
1042         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1043
1044 2006-01-22  Zack Weinberg  <zackw@panix.com>
1045
1046         * genautomata.c:  Include vec.h, not varray.h.
1047         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1048         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1049         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1050         VEC_* macros operating on appropriately typed vectors, or to
1051         malloced arrays when the size is known in advance.  Const-ify
1052         many char* variables and function arguments.  No functional changes.
1053         * Makefile.in (build/varray.o): Delete rule.
1054         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1055         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1056
1057 2006-01-22  Zack Weinberg  <zackw@panix.com>
1058
1059         * gensupport.c: Define get_insn_name and record_insn_name here.
1060         (read_md_rtx): Call record_insn_name as appropriate.
1061         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1062         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1063         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1064         record_insn_name.
1065         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1066         (BUILD_VARRAY): Delete.
1067         (genprognormal): Rename genprogmd.  Fold in all programs from
1068         genprognoprint; also attrtab.
1069         (build/genattrtab): Just mention genautomata.o and varray.o.
1070         Reorganize a bit, add comments to make the categories clearer.
1071
1072 2006-01-22  Zack Weinberg  <zackw@panix.com>
1073
1074         * genconditions.c (condition_table, add_condition): Delete.
1075         (write_conditions): Don't emit n_insn_conditions nor
1076         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1077         inside the table, with no #else clause ...
1078         (write_header): ...not here.
1079         (write_writer): New function.
1080         (main): Don't initialize condition_table.  Use add_c_test.
1081         Call write_writer.
1082         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1083         files on the command line.
1084         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1085         Return -1 if there is no entry in the table, don't abort.
1086         (add_c_test, traverse_c_tests): New functions.
1087         * gensupport.h (insn_elision_unavailable, insn_conditions)
1088         (n_insn_conditions): Delete declarations.
1089         (add_c_test, traverse_c_tests): Declare.
1090         * read-rtl.c: Include gensupport.h.
1091         (read_conditions): New function.
1092         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1093         (read_rtx_1): If we get EOF when we were looking for an initial
1094         open paren, return 0.  Call read_conditions when appropriate.
1095         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1096         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1097         or change them to build/gencondmd.o, as appropriate.  Remove
1098         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1099         from $(simple_generated_c).  For all files remaining in those
1100         two lists, add insn-conditions.md to the generator command line.
1101         Give insn-constants.h/s-constants their own rules.  Add rules
1102         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1103         (build/read-rtl.o): Depend on gensupport.h.
1104         (genprognormal): Include preds.
1105         (genprogearly): Rename genprognoprint; only difference is now that
1106         they don't link with $(BUILD_PRINT).
1107         * dummy-conditions.c: Delete.
1108
1109 2006-01-22  Zack Weinberg  <zackw@panix.com>
1110
1111         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1112         Declare vectors of int, char, and locstr.
1113         (locstr): New typedef.
1114         (struct extraction): Make all array fields into bare pointers.
1115         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1116         (insn_code_number): Delete.
1117         (accum_extract): New struct.
1118         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1119         (gen_insn): Take insn_code_number as an argument.  Use an
1120         accum_extract structure instead of loading data directly into
1121         a struct extraction, and having to know how big it might get.
1122         (walk_rtx): Operate entirely on an accum_extract structure.
1123         (print_path): Avoid unnecessary use of printf.
1124         (print_header): New function, split out of main.  Distinguish
1125         more carefully between an unrecognizable insn and an insn that
1126         has the code number of a define_expand.
1127         (main): Pass insn_code_number to gen_insn.  Call print_header
1128         only after parsing.  Avoid unnecessary use of printf.
1129         * Makefile.in (build/vec.o): New rule.
1130         (build/genextract): Depend on build/vec.o.
1131         (build/genextract.o): Don't depend on insn-config.h.
1132
1133 2006-01-22  Zack Weinberg  <zackw@panix.com>
1134
1135         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1136         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1137         practical.  Eliminate per-generator-program link rules.
1138
1139 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1140
1141         PR middle-end/24437
1142         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1143         with a call expr to ...
1144         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1145
1146 2006-01-23  Richard Guenther  <rguenther@suse.de>
1147
1148         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1149         before make_edge with conditional EDGE_TRUE_VALUE.
1150
1151 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1152         Jan Hubicka  <jh@suse.cz>
1153         Richard Guenther  <rguenther@suse.de>
1154
1155         PR rtl-optimization/25654
1156         * cfgexpand.c (aggregate_contains_union_type): New function.
1157         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1158         for structure variables that contain a union type.
1159
1160 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1161
1162         * gengtype.c (new_structure): Return the structure.
1163         (create_option): Add an extra "next" argument.
1164         (create_field): New function.
1165         (adjust_field_rtx_def): Use create_option and create_field.
1166         Remove a now-unnecessary call to find_structure.
1167         (adjust_field_tree_def): Likewise.
1168         (note_yacc_type): Remove an unnecessary call to find_structure.
1169         * gengtype.h (new_structure): Return the structure.
1170         (create_option): Add an extra argument.
1171         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1172         (option): Adjust calls to create_option.
1173
1174 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
1175
1176         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1177
1178 2006-01-22  Paul Brook  <paul@codesourcery.com>
1179         Peter Barada  <peter@the-baradas.com>
1180
1181         * config/m68k/m68k.md: Add Coldfire FPU support.
1182         Define FP mode macro and associated attributes.
1183         Use it for float mode patterns.
1184         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1185         (LIBCALL_VALUE): Use m68k_libcall_value.
1186         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1187         (m68k_function_value): Ditto.
1188         (emit_move_sequence): Ditto.
1189         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1190         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1191         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1192         (MULTILIB_EXCEPTIONS): Ditto.
1193         * config/m68k/m68k.opt: Add mcfv4e.
1194         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1195         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1196         (m68k_output_function_prologue): Save ColdFire FPU registers.
1197         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1198         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1199         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1200         ColdFire FPU registers.
1201         (m68k_libcall_value, m68k_function_value): New functions.
1202         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1203         (LIBCALL_VALUE): Use m68k_libcall_value.
1204         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1205         (MASK_COLDFIRE): Add MASK_CFV4E.
1206         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1207         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1208         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1209         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1210         (GO_IF_LEGITIMATE_ADDRESS): Use it.
1211         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1212         * doc/invoke.tex: Document -mcfv4e on m68k.
1213
1214 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1215
1216         * doc/contribute.texi: Change CVS to SVN and update the corresponding
1217         URL.
1218
1219 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1220
1221         PR c++/16190
1222         * c-opts.c (c_common_handle_option): Don't include
1223         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1224         * doc/invoke.texi (C++ Dialect Options): Document that
1225         -Wnon-virtual-dtor is no longer included in -Wall.
1226
1227 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
1228
1229         * gcov.c (print_version), gcov-dump.c (print_version),
1230         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1231         dates.
1232
1233 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1234
1235         * df-scan.c (problem_SCAN): Added NULL reset function.
1236         (df_scan_reset_blocks): Added code to call reset block function
1237         (df_bb_refs_delete) Fixed comment.
1238         (df_insn_refs_delete): Made tolerant of deleting non existent info
1239         for dataflow problems that need to be reset.
1240         * df-core.c (df_set_blocks): Ditto.
1241         * df.h (struct df_problem): Added reset_fun.
1242         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1243         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1244         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1245         functions to clear out all references to def-use or use-def chains.
1246
1247 2006-01-21  Ben Elliston  <bje@au.ibm.com>
1248
1249         * varasm.c (assemble_real): Initialise data array.
1250
1251 2006-01-20  Paul Brook  <paul@codesourcery.com>
1252
1253         Merge from csl-arm-branch.
1254         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1255         * config/arm/arm.md (movdi): Force operands[1] to a register
1256         if we have a non-register source.
1257         (*arm_movdi, *movdf_soft_insn): Require that one of the
1258         operands be a register.
1259         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1260         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1261
1262 2006-01-20  DJ Delorie  <dj@redhat.com>
1263
1264         * varasm.c (initialize_constant_valid_p): Allow pointers
1265         initialized from integer constants of lesser precision.
1266         (output_constant): Allow non-int-sized pointer modes to be
1267         initialized from integer constants.
1268
1269 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
1270
1271         PR libstdc++/25524
1272         * cppdefault.h (struct default_include): Add multilib flag.
1273         * cppdefault.c (cpp_include_defaults): Set it.
1274         * c.opt (-imultilib): New option.
1275         * c-opts.c (imultilib): New.
1276         (c_common_handle_option): Handle -imultilib.
1277         (c_common_post_options): Likewise.
1278         * c-incpath.c (add_standard_paths, register_include_chains):
1279         Likewise.
1280         * c-incpath.h (register_include_chains): Add extra parameter.
1281         * gcc.c (do_spec_1): Generate -imultilib option.
1282         (The Specs Language): Update %I description.
1283         (process_command): Update copyright notice.
1284         * doc/cppopts.texi (-imultilib): Document.
1285         * doc/invoke.texi (-imultilib): Include in option summary.
1286         (%I): Update specs documentation.
1287
1288 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1289
1290         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1291
1292 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
1293
1294         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1295         label numbers.
1296
1297 2006-01-20  Richard Guenther  <rguenther@suse.de>
1298         Steven Bosscher <stevenb.gcc@gmail.com>
1299
1300         PR rtl-optimization/24626
1301         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1302         EDGE_TRUE_VALUE if in RTL mode.
1303
1304         Revert
1305         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1306         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1307
1308 2006-01-20  Dirk Mueller  <dmueller@suse.com>
1309
1310         PR c++/5520
1311         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1312         instead of a special NOP marker.
1313         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1314         NOP marker handling.
1315         * c-common.h (empty_body_warning): Add forward declaration.
1316         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1317         Now uses IS_EMPTY_STMT() instead of special NOP markers.
1318
1319 2006-01-20  Paul Brook  <paul@codesourcery.com>
1320
1321         * Makefile.in (lang_checks): Keep going if mkdir fails.
1322
1323 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1324
1325         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1326         be able to clean out basic block when not necessary.
1327         (df_scan_free): Fixed to properly delete information if df is
1328         unused before calling df_finish.
1329         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1330         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1331         or comment typos.
1332         (df_bb_refs_delete): New function.
1333         (df_refs_delete): Moved per block code to df_bb_refs_delete.
1334         * df-core.c (df_set_blocks): Added code to properly clean out
1335         unused blocks if they are not part of the blocks to consider.
1336         Added additional null check.
1337         (df_compact_blocks): Added basic block parameter to free_bb_fun to
1338         be able to clean out basic block when not necessary
1339         * df.h (df_free_bb_function): Ditto.
1340         (df_bb_refs_delete): New function.
1341         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1342         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1343         basic block parameter to be able to clean out basic block when not
1344         necessary.
1345         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1346         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1347         Fixed to properly delete information if df is unused before
1348         calling df_finish.
1349
1350 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1351
1352         PR rtl-optimization/25799
1353         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1354         Corrected confluence operator to remove bits from op2 before oring
1355         with op1 rather than removing bits from op1.
1356         (df_ru_transfer_function): Corrected test on wrong bitmap which
1357         caused infinite loop.  Both of these problems were introduced in
1358         the dataflow rewrite.
1359
1360 2006-01-19  DJ Delorie  <dj@redhat.com>
1361
1362         * reload1.c (find_reload_regs): Note the details of reload
1363         failures in the dump file.
1364         (spill_failure): Likewise.
1365
1366 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1367
1368         * loop-iv.c: Include df.h and hashtab.h.
1369         (enum iv_grd_result): New enum.
1370         (DF_REF_IV, DF_REF_IV_SET): New macros.
1371         (struct biv_entry): New.
1372         (df, bivs): New global variables.
1373         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1374         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1375         Removed.
1376         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1377         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1378         analyzed_for_bivness_p, record_biv): New functions.
1379         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1380         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1381         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1382         UD chains.
1383         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1384         analysed.
1385         (iv_number_of_iterations): Use new interface to iv analysis.
1386         * loop-unroll.c: Do not include varray.h.
1387         (analyze_iv_to_split_insn): Use new interface to iv
1388         analysis.
1389         * loop-unswitch.c (may_unswitch_on): Ditto.
1390         * df.c (df_bitmaps_free): Only work for bbs for that structures are
1391         allocated.
1392         (df_bb_modify): Realloc tables to the new index.
1393         (df_find_use): New function.
1394         * df.h (df_find_use): Declare.
1395         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1396         outmode.
1397         * cfgloop.h (struct rtx_iv): Remove analysed field.
1398         (iv_get_reaching_def): Removed.
1399         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1400         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1401         (loop-iv.o): Add df.h and hashtab.h dependency.
1402         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1403
1404 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
1405
1406         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1407         Double TFmode.
1408         (__floatundisf, __floatundidf): Likewise.
1409         * libgcc2.h (IS_IBM_EXTENDED): Define.
1410
1411 2006-01-19  DJ Delorie  <dj@redhat.com>
1412
1413         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1414
1415 2006-01-19  Paul Brook  <paul@codesourcery.com>
1416
1417         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1418         as nothrow when unwinding tables are disabled.
1419
1420 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1421
1422         PR testsuite/25171
1423         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1424         of bit-field" when in system header.
1425
1426 2006-01-19  DJ Delorie  <dj@redhat.com>
1427
1428         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1429         the 16 bit shift limit of the m16c.
1430
1431 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
1432
1433         PR target/22099
1434         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1435         * config/i386/i386.c (output_set_got): Output the label if we have one
1436         for the TARGET_DEEP_BRANCH_PREDICTION case.
1437
1438 2006-01-19  Jan Hubicka  <jh@suse.cz>
1439             H.J. Lu  <hongjiu.lu@intel.com>
1440             Evandro Menezes <evandro.menezes@amd.com>
1441
1442         * invoke.texi (generic): Document
1443         (i686) Update.
1444         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1445         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1446         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1447         (x86_use_incdec, x86_pad_returns): New variables
1448         (TARGET_CPU_DEFAULT_generic): New constant
1449         (TARGET_CPU_DEFAULT_NAMES): Add generic.
1450         (enum processor_type): Add generic32 and generic64.
1451         * i386.md (cpu attribute): Add generic32/generic64
1452         (movhi splitter): Behave sanely when both partial_reg_dependency and
1453         partial_reg_stall are set.
1454         (K8 splitters): Enable for generic as well.
1455         * predicates.md (incdec_operand): Use TARGET_INCDEC
1456         (aligned_operand): Avoid memory mismatch stalls.
1457         * athlon.md: Enable for generic64, new patterns for 128bit moves.
1458         * ppro.md: Enable for generic32
1459         * i386.c (generic64_cost, generic32_cost): New.
1460         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1461         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
1462         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
1463         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1464         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1465         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1466         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1467         x86_accumulate_outgoing_args, x86_prologue_using_move,
1468         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1469         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1470         Enable for generic.
1471         (x86_use_incdec, x86_pad_returns): New.
1472         (override_options): Add generic32 and generic64, translate "generic"
1473         to generic32/generic64 and "i686" to "generic32", refuse
1474         "generic32"/"generic64" as arch target.
1475         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1476         (ix86_reorg): Honor PAD_RETURNS.
1477
1478 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
1479
1480         * tree-pretty-print.c (dump_generic_node): Handle
1481         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1482         * cgraph.c (cgraph_expand_queue): Rename from
1483         cgraph_analyze_queue.  Update all users.
1484         * cgraphunit.c (cgraph_assemble_pending_functions): Process
1485         cgraph_expand_queue.
1486         (cgraph_expand_all_functions): Likewise.
1487         (cgraph_finalize_pending_functions): Remove.  Update callers.
1488
1489         * tree.h (OMP_DIRECTIVE_P): Define.
1490         (OMP_PARALLEL_FN): Define.
1491         (OMP_PARALLEL_DATA_ARG): Define.
1492         (OMP_SECTIONS_SECTIONS): Define.
1493         * tree-pass.h (pass_expand_omp): Declare.
1494         * omp-low.c (struct omp_region): Declare.
1495         (struct omp_context): Remove fields 'parallel_type',
1496         'parallel_start_ix' and 'parallel_start_additional_args'.
1497         Update all users.
1498         (struct omp_for_data): Rename from struct expand_omp_for_data.
1499         (omp_regions): New static variable.
1500         (root_omp_region): New static variable.
1501         (find_omp_clause): Make static.
1502         (is_in_combined_parallel_ctx): Remove.
1503         (is_combined_parallel): New.
1504         (extract_omp_for_data): Move earlier in the file.
1505         (workshare_safe_to_combine_p): New.
1506         (get_ws_args_for): New.
1507         (determine_parallel_type): Move earlier in the file.
1508         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1509         child function.
1510         (omp_copy_decl): Likewise.
1511         (create_omp_child_function): Likewise.
1512         (lookup_omp_region): New.
1513         (dump_omp_region): New.
1514         (debug_omp_region): New.
1515         (debug_all_omp_regions): New.
1516         (new_omp_region): New.
1517         (scan_omp_parallel): If parallel_nesting_level > 1, the
1518         directive is nested within another parallel directive.
1519         Set OMP_PARALLEL_FN.
1520         (scan_omp_for): Do not try to handle combined parallel+for
1521         cases.
1522         Remove FIXME comment.
1523         (scan_omp_nested): Remove.
1524         (scan_omp_1): Do not call scan_omp_nested when
1525         parallel_nesting_level is > 1.
1526         Do not change the DECL_CONTEXT of local variables found.
1527         (lookup_decl_in_outer_ctx): New.
1528         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1529         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1530         (lower_reduction_clauses): Rename from expand_reduction_clauses.
1531         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1532         If CTX is nested, lookup VAR in the outer context when
1533         building copy assignment.
1534         (lower_send_clauses): Rename from expand_send_clauses.
1535         If CTX is nested, lookup VAR in the outer context when
1536         building copy assignments.
1537         (lower_send_shared_vars): Rename from expand_send_shared_vars.
1538         If CTX is nested, lookup VAR in the outer context when
1539         building copy assignments.
1540         (expand_parallel_call): Rename from build_parallel_call.
1541         Handle combined parallel+workshare cases.
1542         Re-implement to emit code into the CFG.
1543         (list2chain): New.
1544         (expand_omp_parallel): Re-implement to emit code into the CFG.
1545         Call move_sese_region_to_fn to outline the sub-graph
1546         containing the parallel region.
1547         (expand_omp_for_1): Remove.
1548         (expand_omp_for_generic): Re-implement to emit code into the
1549         CFG.
1550         (expand_omp_for_static_nochunk): Likewise.
1551         (expand_omp_for_static_chunk): Likewise.
1552         (expand_omp_for): Likewise.
1553         (expand_omp_sections): Likewise.
1554         (remove_exit_barriers): New.
1555         (expand_omp_synch): New.
1556         (expand_omp): New.
1557         (build_omp_regions_1): New.
1558         (build_omp_regions): New.
1559         (execute_expand_omp): New.
1560         (gate_expand_omp): New.
1561         (pass_expand_omp): Define.
1562         (lower_omp_sections): Rename from expand_omp_sections.
1563         Set OMP_SECTIONS_SECTIONS.
1564         (lower_omp_single_simple): Rename from expand_omp_single_simple.
1565         (lower_omp_single_copy): Rename from expand_omp_single_copy.
1566         (lower_omp_single): Rename from expand_omp_simple.
1567         (lower_omp_master): Rename from expand_omp_master.
1568         (lower_omp_ordered): Rename from expand_omp_ordered.
1569         (lower_omp_critical): Rename from expand_omp_critical.
1570         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1571         (lower_omp_for): Re-implement.
1572         (lower_omp_parallel): Re-implement.
1573         (lower_regimplify): Rename from expand_regimplify.
1574         (lower_omp_1): Rename from expand_omp_1.
1575         If there are syntax errors in the program, replace every
1576         OpenMP directive with NOP.
1577         Call lower_omp_* instead of expand_omp_*.
1578         (lower_omp): Rename from expand_omp.
1579
1580         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1581         * tree-gimple.h (enum omp_parallel_type): Remove.
1582         (gimple_boolify): Declare extern.
1583         (find_omp_clause, determine_parallel_type): Remove.
1584
1585         * gimple-low.c (lower_omp_directive): New.
1586         (lower_stmt): Call it.
1587         (record_vars_into): Move from ...
1588         (record_vars): ... here.
1589         Call record_vars_into with current_function_decl.
1590
1591         * gimplify.c (struct gimplify_ctx): Remove fields
1592         combined_pre_p and combined_ctxp.  Update users.
1593         (get_formal_tmp_var): Add documentation.
1594         (gimple_boolify): Make extern.
1595         (gimplify_expr_in_ctx): Remove.  Update callers.
1596         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1597         will always be a BIND_EXPR.
1598         (gimplify_expr): Handle OMP_RETURN_EXPR.
1599         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1600         (OMP_PARALLEL): Add 3 operands.
1601         (OMP_SECTIONS): Add 1 operand.
1602         (OMP_RETURN_EXPR): Define.
1603
1604         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1605         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1606         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1607         creating a circular free list.
1608         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1609
1610         * tree-flow.h (move_sese_region_to_fn): Declare.
1611         (record_vars_into): Declare.
1612         * tree-cfg.c (make_omp_sections_edges): New.
1613         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1614         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1615         OMP_SECTIONS and OMP_SECTION.
1616         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1617         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1618         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1619         (gather_blocks_in_sese_region): New.
1620         (struct move_stmt_d): Declare.
1621         (move_stmt_r): New.
1622         (move_block_to_fn): New.
1623         (move_sese_region_to_fn): New.
1624
1625         * passes.c (init_optimization_passes): Schedule
1626         pass_expand_omp after pass_init_datastructures.
1627
1628         * tree-ssa-operands.c (get_expr_operands): Handle
1629         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1630         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1631
1632 2006-01-19  Jeff Law  <law@redhat.com>
1633
1634         * tree-vrp.c (extract_range_from_assert): Refine the result range
1635         if the variable referenced by the ASSERT_EXPR has a range and
1636         either the tentative result range or the previous range is a
1637         VR_ANTI_RANGE.
1638
1639 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1640
1641         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1642
1643 2006-01-19  Jan Hubicka  <jh@suse.cz>
1644
1645         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1646
1647 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1648
1649         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1650         (expand_compound_operation, expand_field_assignment): Fail if the
1651         bit lengths of an extract operation are out of range.
1652         (make_extraction): Compute wanted_inner_mode based on the position
1653         and length of the extraction.  Make it extraction_mode for non-constant
1654         positions, and do not modify offset in that case.  When generating a
1655         new MEM, use a mode that can hold the extraction while keeping correct
1656         alignment.  Remove code that supported MEMs wrapped by USEs.
1657         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1658
1659 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1660
1661         * config/s390/s390.md ("Y", "y"): New mode attribute.
1662         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1663         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1664         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1665         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1666         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1667         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1668         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1669         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1670         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1671         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1672         "addsi3", "subsi3"): Insn patterns removed.
1673         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1674         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1675         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1676         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1677         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1678         "*sub<mode>3_cconly2"): New insn patterns.
1679         ("addsi3", "subsi3"): New expanders.
1680
1681 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1682
1683         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1684         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1685         existing STMT_VINFO_VECTYPE if available.
1686         (vect_mark_relevant): Add special handling for stmts that are
1687         marked as STMT_VINFO_IN_PATTERN_P.
1688         (vect_analyze_loop): Call vect_pattern_recog.
1689         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1690         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1691         stmt_info.
1692         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1693         (vect_recog_func_ptr): New function-pointer type.
1694         * tree-vect-patterns.c: New file.
1695         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1696         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1697         (vect_pattern_recog_1): New functions.
1698         (vect_pattern_recog_funcs): New array of function pointers.
1699
1700         * tree-vectorizer.h (ternary_op): New enum value.
1701         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1702         declaration. Revised documentation. Removed redundant dump prints.
1703         Removed redundant argument. Added support for reduction patterns.
1704         (vectorizable_reduction): Added support for reduction patterns.
1705         (vect_transform_stmt): Added support for patterns.
1706
1707         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1708         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1709         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1710         (expand_widen_pattern_expr): New function.
1711         (init_optabs): Initialize new optabs udot_prod_optab,
1712         sdot_prod_optab.
1713         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1714         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1715         (expand_widen_pattern_expr): New function declaration.
1716         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1717         tree-codes.
1718         * tree-inline.c (estimate_num_insns_1): Added cases for new
1719         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1720         * tree-pretty-print.c (dump_generic_node): Likewise.
1721         (op_prio): Likewise.
1722         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1723         * tree-ssa-operands.c (get_expr_operands): Added case for
1724         DOT_PROD_EXPR.
1725         * tree-vect-patterns.c (widened_name_p): New function.
1726         (vect_recog_dot_prod_pattern): Added function implementation.
1727         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1728         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1729         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1730         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1731
1732         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1733         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1734         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1735         (init_optabs): Initialize new optabs widen_ssum_optab,
1736         widen_usum_optab.
1737         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1738         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1739         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1740         use instead of type of def.
1741         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1742         function implementation.
1743         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1744         widen_ssumv8hi): New.
1745
1746         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1747         patterns.
1748
1749 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1750
1751         PR c/25805
1752         * c-decl.c (add_flexible_array_elts_to_size): New function.
1753         (finish_decl): Use it.
1754
1755 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1756
1757         * diagnostic.h: Include options.h.
1758         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1759         dependancies for diagnostic.h.
1760         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1761
1762 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1763
1764         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1765         (ssa_ro_call_cache_valid): Ditto.
1766         * tree-ssa-alias.c (sort_tags_by_id): New function.
1767         (init_transitive_clobber_worklist): Ditto.
1768         (add_to_worklist): Ditto.
1769         (mark_aliases_call_clobbered): Ditto.
1770         (compute_tag_properties): Ditto.
1771         (set_initial_properties): Ditto.
1772         (compute_call_clobbered): Ditto.
1773         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1774         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1775         (compute_flow_insensitive_aliasing): Grouping now happens in our
1776         caller.
1777         (setup_pointers_and_addressables): Remove clobbering related code.
1778         (add_may_alias): Ditto.
1779         (replace_may_alias): Ditto.
1780         (get_nmt_for): Ditto.
1781         (create_global_var):
1782         (is_escape_site): Return an escape_type enumeration.
1783         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1784         imply call clobbered.
1785         (mark_call_clobbered): Take a reason for marking this. Remove
1786         marking of globalness, and cache invalidation.
1787         (clear_call_clobbered): Remove cache invalidation code.
1788         * tree-dfa.c (dump_variable): If details is on, dump the reason
1789         for escaping.
1790         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1791         variable.
1792         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1793         (struct var_ann_d): Ditto.
1794         (enum escape_type): New.
1795         (mark_call_clobbered): Adjust prototype.
1796         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1797         are never call clobbered.
1798         Record reasons for escaping.
1799         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1800         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1801         (ssa_ro_call_cache_valid): Ditto.
1802         (clobbered_v_may_defs): Ditto.
1803         (clobbered_vuses): Ditto.
1804         (ro_call_vuses): Ditto.
1805         (clobber_stats): New.
1806         (init_ssa_operands): Zero out clobber stats.
1807         (fini_ssa_operands): Print out clobber stats.
1808         (get_call_expr_operands): Pass callee fndecl to
1809         add_call_read_ops).
1810         (add_call_clobber_ops): Remove use of cache.
1811         Add use of PURE_CONST information.
1812         (add_call_read_ops): Remove use of cache.
1813         Add use of static not_read information.
1814
1815 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1816
1817         Introduce TLS descriptors for i386 and x86_64.
1818         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1819         (TARGET_ANY_GNU_TLS): New macro.
1820         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1821         (struct machine_function): Add tls_descriptor_call_expanded_p.
1822         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1823         (ix86_current_function_calls_tls_descriptor): Likewise.
1824         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1825         (override_options): Introduce gnu2 tls dialect.
1826         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1827         not leaves.
1828         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1829         Likewise.
1830         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1831         (ix86_init_machine_status): Initialize new field.
1832         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1833         (ix86_tls_module_base): New.
1834         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1835         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1836         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1837         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1838         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1839         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1840         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1841         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1842         * config/i386/predicates.md (tls_modbase_operand): New.
1843         (tp_or_register_operand): New.
1844
1845 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1846
1847         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1848         (look_for_address_of): Ditto.
1849         (ipa_init): Walk the function decls.
1850         (static_execute): Don't set readonly on FUNCTION_DECL's.
1851
1852 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1853
1854         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1855         for shifts where the source and destination registers are different.
1856
1857 2006-01-18  Paul Brook  <paul@codesourcery.com>
1858
1859         Merge from csl-arm-branch.
1860         2005-03-14  Julian Brown  <julian@codesourcery.com>
1861         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1862         (aeabi_llsl): Likewise.
1863         (ashrdi3): Likewise.
1864         (aeabi_lasr): Likewise.
1865         (lshrdi3): Likewise.
1866         (aeabi_llsr): Likewise.
1867         2005-03-10  Julian Brown  <julian@codesourcery.com>
1868         * config.gcc: Disable shared libgcc for SymbianOS.
1869         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1870
1871 2006-01-18  DJ Delorie  <dj@redhat.com>
1872
1873         * c-pragma.c (handle_pragma_diagnostic): New.
1874         (init_pragma): Register it.
1875         * doc/extend.texi: Document it.
1876
1877         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1878         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1879         (diagnostic_context): Add classify_diagnostic[].
1880         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1881         as errors if they're overridden to DK_WARNING.
1882         (diagnostic_initialize): Initialize classify_diagnostic[].
1883         (diagnostic_set_kind_override): New.
1884         (diagnostic_report_diagnostic): Check for kind changes.
1885         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1886         Handle OPT_Werror_.
1887         * common.opt (Werror=): New.
1888         * doc/invoke.texi: Document -Werror=*
1889
1890 2006-01-18  Jeff Law  <law@redhat.com>
1891
1892         * tree-vrp.c (test_for_singularity): Correct test for new
1893         min limit.  Use operand_equal_p rather than pointer equality
1894         for testing if new min/max values are equal.
1895
1896         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1897         using range information until after propagation and folding.
1898
1899 2006-01-18  Richard Henderson  <rth@redhat.com>
1900             Aldy Hernandez  <aldyh@redhat.com>
1901             Jakub Jelinek  <jakub@redhat.com>
1902             Diego Novillo  <dnovillo@redhat.com>
1903
1904         * omp-low.c: New file.
1905         * c-omp.c: New file.
1906
1907 2006-01-18  Richard Henderson  <rth@redhat.com>
1908             Jakub Jelinek  <jakub@redhat.com>
1909             Diego Novillo  <dnovillo@redhat.com>
1910
1911         * doc/invoke.texi: Document -fopenmp.
1912         * tree-dump.h (debug_function): Declare.
1913         * hooks.c (hook_bool_tree_bool_false): New function.
1914         (hook_tree_tree_null): Remove.
1915         (hook_tree_tree_tree_null): New.
1916         * hooks.h: Update to match.
1917         * tree-pretty-print.c (debug_tree_chain): New.
1918         (print_generic_expr): Handle TDF_CHAIN.
1919         (dump_generic_node): Handle BLOCK.
1920         Do not abort with incomplete SWITCH_EXPRs.
1921         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1922         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1923         print space after directive name.
1924         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1925         Handle OMP_MASTER and OMP_ORDERED.
1926         Handle printing of OMP_BODY just in one place, goto
1927         dump_omp_body in the rest of OMP_* nodes that have
1928         OMP_BODY.
1929         Don't handle clause nodes here.  Update omp statements to
1930         use dump_omp_clauses.
1931         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1932         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1933         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1934         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1935         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1936         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1937         Adjust output for GOMP_PARALLEL.
1938         (dump_omp_clauses): New.
1939         (print_declaration): Dump DECL_VALUE_EXPR.
1940         (op_symbol_1): Split out of op_symbol.
1941         (dumping_stmts): Remove.  Update all users.
1942         * cgraph.c (cgraph_analyze_queue): New.
1943         (cgraph_add_new_function): New.
1944         * cgraph.h (cgraph_analyze_queue): Declare.
1945         (cgraph_add_new_function): Declare.
1946         (cgraph_lower_function): Remove.
1947         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1948         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1949         and TYPE_P nodes in its default clause.
1950         (empty_body_p): New.
1951         (tree_range_check_failed): New.
1952         (build5_stat): New.
1953         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1954         OMP_CLAUSE_REDUCTION_MERGE,
1955         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1956         OMP_CLAUSE_PRIVATE_DEBUG,
1957         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1958         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1959         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1960         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1961         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1962         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1963         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1964         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1965         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1966         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1967         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1968         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1969         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1970         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1971         (TREE_RANGE_CHECK): New.
1972         (empty_body_p): Declare.
1973         (enum omp_clause_default_kind): New.
1974         (build_string_literal): Declare.
1975         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1976         (build5_stat, build5): Declare.
1977         * tree-pass.h (TDF_CHAIN): Define.
1978         * tree-pass.h (PROP_gimple_lomp): Define.
1979         (pass_lower_omp): Declare.
1980         * diagnostic.h (debug_tree_chain): Declare.
1981         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1982         mode_for_size.
1983         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1984         * builtins.c (build_string_literal): Make extern.
1985         * gcc.c (include_spec_function): New.
1986         (static_spec_functions): Add it.
1987         (main): Move load of libgomp.spec ...
1988         (LINK_COMMAND_SPEC): ... here.
1989         (link_gomp_spec): New.
1990         (static_specs): Include it.
1991         (LINK_COMMAND_SPEC): Add link_gomp.
1992         (GOMP_SELF_SPECS): New.
1993         (driver_self_specs): Include it.
1994         (switch_matches): Don't mark inline.
1995         (main): Load libgomp.spec.
1996         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1997         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1998         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1999         * tree-gimple.h (enum omp_parallel): Declare.
2000         (determine_parallel_type): Declare.
2001         (omp_firstprivatize_variable): Declare.
2002         (omp_reduction_init): Declare.
2003         (diagnose_omp_structured_block_errors): Declare.
2004         (struct walk_stmt_info): Add want_return_expr.
2005         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2006         (find_omp_clause): Declare.
2007         (insert_field_into_struct): Declare.
2008         (struct walk_stmt_info): Move from tree-nested.c
2009         (walk_stmts): Declare.
2010         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2011         to 200505.
2012         * cgraphunit.c (cgraph_lower_function): Make static.
2013         (cgraph_finalize_pending_functions): New.
2014         (cgraph_finalize_function): Call it.
2015         (cgraph_finalize_compilation_unit): Likewise.
2016         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2017         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2018         (BT_FN_UINT_UINT): New.
2019         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2020         DEF_FUNCTION_TYPE_VAR_4): Document.
2021         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2022         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2023         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2024         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2025         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2026         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2027         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2028         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2029         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2030         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2031         into separate files.
2032         (DEF_GOMP_BUILTIN): New.
2033         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2034         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2035         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2036         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2037         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2038         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2039         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2040         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2041         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2042         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2043         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2044         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2045         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2046         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2047         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2048         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2049         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2050         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2051         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2052         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2053         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2054         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2055         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2056         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2057         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2058         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2059         * sync-builtins.def: New file, moved from builtins.def.
2060         * omp-builtins.def: New file, moved from builtins.def.
2061         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2062         * gimple-low.c (lower_function_body): Clear data.
2063         (lower_stmt): Do not handle COMPOUND_EXPR.
2064         Remove call to print_node_brief.
2065         * c-tree.h (c_finish_omp_clauses): New prototype.
2066         (C_DECL_THREADPRIVATE_P): Define.
2067         (lookup_name_no_remap, c_omp_remap_private): Remove
2068         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2069         (check_for_loop_decls): Update decl.
2070         (lookup_name_no_remap, c_omp_remap_private): Declare.
2071         (build_indirect_ref, build_modify_expr, pushdecl,
2072         pushdecl_top_level): Move to c-common.h.
2073         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2074         before the switch, but just in the 2 places that need it.
2075         * c-decl.c (diagnose_mismatched_decls): Do not check for
2076         mismatched thread-local attributes when OLDDECL is marked
2077         threadprivate and NEWDECL has no thread-local attributes.
2078         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2079         (c_gimple_diagnostics_recursively): Rename from
2080         c_warn_unused_result_recursively.  Invoke
2081         diagnose_omp_structured_block_errors.
2082         (check_for_loop_decls): Return a singular decl found.
2083         * langhooks.c (lhd_omp_predetermined_sharing): Return
2084         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2085         (lhd_omp_firstprivatize_type_sizes): New.
2086         (lhd_omp_assignment): New.
2087         (lhd_omp_predetermined_sharing): New.
2088         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2089         (struct lang_hooks_for_types): Add
2090         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2091         omp_predetermined_sharing, omp_disregard_value_expr,
2092         omp_private_debug_clause, omp_clause_default_ctor,
2093         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2094         (c_finish_omp_clauses): New.
2095         (c_finish_bc_stmt): Diagnose break within omp for.
2096         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2097         (build_unary_op): Return error_mark after reporting
2098         a readonly_error.
2099         (build_modify_expr): Likewise.
2100         * gimplify.c: Include optabs.h and pointer-set.h.
2101         (enum gimplify_omp_var_data): Declare.
2102         (struct gimplify_omp_ctx): Declare.
2103         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2104         and combined_ctxp.
2105         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2106         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2107         (splay_tree_compare_decl_uid): New.
2108         (new_omp_context): New.
2109         (delete_omp_context): New.
2110         (gimple_add_tmp_var): Call omp_add_variable.
2111         (gimplify_bind_expr): Likewise.
2112         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2113         true, disregard DECL_VALUE_EXPR on the decl if any.
2114         (gimplify_expr_in_ctx): New.
2115         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2116         omp_add_variable, omp_notice_variable, omp_is_private
2117         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2118         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2119         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2120         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2121         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2122         gimplify_omp_atomic): New.
2123         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2124         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2125         OMP_CRITICAL and OMP_ATOMIC.
2126         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2127         * c-pragma.h (enum pragma_kind): Add
2128         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2129         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2130         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2131         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2132         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2133         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2134         PRAGMA_OMP_THREADPRIVATE.
2135         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2136         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2137         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2138         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2139         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2140         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2141         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2142         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2143         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2144         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2145         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2146         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2147         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2148         OpenMP directives.
2149         (struct nesting_info): Add field_map,
2150         suppress_expansion, debug_var_chain.
2151         (create_nesting_tree): Initialize them.
2152         (lookup_field_for_decl): Use field_map.
2153         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2154         (convert_local_omp_clauses): New.
2155         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2156         (walk_body): Split out of walk_function.
2157         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2158         (convert_nonlocal_reference): Handle omp statements.
2159         (convert_local_reference): Likewise.
2160         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2161         (unnest_nesting_tree): New.
2162         (lower_nested_functions): Call it.
2163         (insert_field_into_struct): Make extern.
2164         (struct walk_stmt_info): Move to tree-gimple.h.
2165         (walk_stmts): Make extern.
2166         * omp-builtins.def: New file.
2167         * tree-iterator.c (expr_only): Clarify comment.
2168         * c-common.h (pushdecl_top_level, pushdecl,
2169         build_modify_expr, build_indirect_ref,
2170         c_finish_omp_master, c_finish_omp_critical,
2171         c_finish_omp_ordered, c_finish_omp_barrier,
2172         c_finish_omp_atomic, c_finish_omp_flush,
2173         c_finish_omp_for, c_split_parallel_clauses,
2174         omp_clause_default_kind, c_omp_sharing_predetermined,
2175         c_omp_remap_decl): Declare.
2176         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2177         (OBJS-common): Add omp-low.o.
2178         (c-omp.o, omp-low.o): Add.
2179         (gimplify.o): Add dependency on $(OPTABS_H).
2180         (GTFILES): Add omp-low.c.
2181         (gt-stringpool.h): Add.
2182         * tree-cfg.c (set_bb_for_stmt): Do not update the
2183         block-to-labels map if we are currently expanding to RTL.
2184         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2185         checks.
2186         Handle IDENTIFIER_NODE.
2187         (tree_verify_flow_info): Do not ICE when emitting error
2188         messages about invalid labels.
2189         (dump_function_to_file): Reset CFUN before emitting the body
2190         of the function.
2191         (debug_function): New.
2192         * passes.c (init_optimization_passes): Schedule
2193         pass_lower_omp.
2194         * langhooks-def.h (lhd_omp_predetermined_sharing,
2195         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2196         Declare.
2197         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2198         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2199         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2200         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2201         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2202         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2203         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2204         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2205         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2206         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2207         (LANG_HOOK_DECLS): Use them.
2208
2209 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2210             Richard Henderson  <rth@redhat.com>
2211             Jakub Jelinek  <jakub@redhat.com>
2212             Diego Novillo  <dnovillo@redhat.com>
2213
2214         * c-parser.c (pragma_omp_clause): Define.
2215         (c_parser_declaration_or_fndef): Document OpenMP syntax.
2216         (c_parser_compound_statement): Likewise.
2217         (c_parser_statement): Likewise.
2218         (c_parser_pragma): Handle omp pragmas.
2219         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2220         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2221         (c_parser_omp_clause_name, check_no_duplicate_clause,
2222         c_parser_omp_variable_list,
2223         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2224         c_parser_omp_clause_copyprivate,
2225         c_parser_omp_clause_default,
2226         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2227         c_parser_omp_clause_lastprivate,
2228         c_parser_omp_clause_nowait,
2229         c_parser_omp_clause_num_threads,
2230         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2231         c_parser_omp_clause_reduction,
2232         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2233         c_parser_omp_all_clauses, c_parser_omp_structured_block,
2234         c_parser_omp_atomic, c_parser_omp_barrier,
2235         c_parser_omp_critical, c_parser_omp_flush,
2236         c_parser_omp_for_loop, c_parser_omp_for,
2237         c_parser_omp_master, c_parser_omp_ordered,
2238         c_parser_omp_sections_scope, c_parser_omp_sections,
2239         c_parser_omp_parallel, c_parser_omp_single,
2240         c_parser_omp_construct, c_parser_omp_threadprivate): New.
2241         * c-pragma.c (init_pragma): Do omp pragma registration here.
2242         * c.opt (fopenmp): New flag.
2243
2244 2006-01-18  Eric Christopher  <echristo@apple.com>
2245
2246         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2247         * config/darwin.h (GOMP_SELF_SPECS): Define.
2248
2249 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2250
2251         * rtl.h: Remove the prototype for reg_alloc.
2252
2253 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2254
2255         PR target/25731
2256         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2257         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2258         sjlj and dwarf2 exception handling.
2259         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2260         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2261         * pa/pa.c (function_value): Treat complex and vector types as
2262         aggregates.
2263         (function_arg): Likewise.  Only pass scalar floats in the floating
2264         point argument registers.
2265         * pa/t-slibgcc-dwarf-ver: New file.
2266         * pa/t-slibgcc-sjlj-ver: New file.
2267         * pa/t-slibgcc-elf-ver: Delete file.
2268
2269 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
2270
2271         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2272         unlikely_test_section_p test.
2273
2274 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2275
2276         * mode-switching.c (optimize_mode_switching): Make it static.
2277         * basic-block.h: Remove the prototype for
2278         optimize_mode_switching.
2279
2280         * modulo-sched.c (sms_schedule): Make it static.
2281         * rtl.h: Remove the prototype for sms_schedule.
2282
2283         * postreload-gcse.c (gcse_after_reload_main): Make it static.
2284         * rtl.h: Remove the prototype for gcse_after_reload_main.
2285
2286         * reg-stack.c (reg_to_stack): Make it static.
2287         * rtl.h: Remove the prototype for reg_to_stack.
2288
2289         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2290         Make them static.
2291         * rtl.h: Remove the prototypes for regrename_optimize and
2292         copyprop_hardreg_forward.
2293
2294 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2295
2296         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2297         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
2298         Test against the appropriate null constant for the mode.
2299         If 'fixup_overlap' is true, swap the operands if they overlap.
2300         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2301         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2302         alpha_split_tmode_pair and adjust for above change.
2303         * config/alpha/alpha.md (movtf_internal): Adjust call to
2304         alpha_split_tfmode_pair and rely on it to swap the operands.
2305         (movti_internal): New insn and post-reload splitter.
2306         (movti): New expander.
2307
2308 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
2309
2310         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2311         operands.
2312
2313 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2314
2315         * rtlanal.c (global_reg_mentioned_p_1,
2316         global_reg_mentioned_p): Remove.
2317         * rtl.h: Remove the prototype for global_reg_mentioned_p.
2318
2319         * flow.c (initialize_uninitialized_subregs): Make it static.
2320         * rtl.h: Remove the prototype for
2321         initialize_uninitialized_subregs.
2322
2323         * function.c (instantiate_virtual_regs): Make it static.
2324         * function.h: Remove the prototype for
2325         instantiate_virtual_regs.
2326
2327         * regmove.c (regmove_optimize, combine_stack_adjustments):
2328         Make them static.
2329         * rtl.h: Remove the prototypes for regmove_optimize and
2330         combine_stack_adjustments.
2331
2332 2006-01-17  Roger Sayle  <roger@eyesopen.com>
2333
2334         * config/i386/i386.c (COSTS_N_BYTES): New macro.
2335         (size_cost): Encode costs in bytes so that a reg-reg addition is
2336         equivalent to COSTS_N_INSNS(1).
2337         (override_options): Use the size_cost.branch_cost as the default
2338         ix86_branch_cost when optimizing for size.
2339
2340 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2341
2342         * Makefile.in (D32PBIT_FUNCS): New.
2343         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2344         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2345         D64PBIT_FUNCS and D128PBIT_FUNCS.
2346         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2347         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2348         D128PBIT are set.
2349         (decnumber_dep): Define.
2350         * doc/libgcc.texi (Decimal float library routines): New node.
2351         * config/dfp-bit.h, config/dfp-bit.c: New files.
2352
2353 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2354
2355         * expr.c (emit_move_change_mode): Always adjust addresses, not
2356         just during reload.  Copy replacements only during reload.
2357         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2358         emit_move_via_integer.
2359
2360 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
2361
2362         * Makefile.in (check-%, check-consistency): Use $${srcdir}
2363         instead of $(srcdir) and ${srcdir}.
2364
2365 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
2366
2367         PR target/592
2368         PR middle-end/11135
2369         * arm.h (struct machine_function): Add pic_reg.
2370         * arm.c (arm_pic_register): Make unsigned.
2371         (arm_override_options): Only set arm_pic_register if
2372         TARGET_SINGLE_PIC_BASE.
2373         (use_return_insn): Only test for a pic register if it is fixed.
2374         (arm_compute_save_reg0_reg12_mask): Likewise.
2375         (thumb_compute_save_reg_mask): Likewise.
2376         (legitimate_pic_operand): Factor out some known invariants.
2377         (legitimize_pic_address): If we don't have a fixed pic register,
2378         then set up a pseudo in the function entry sequence.  Handle the
2379         pic base being in a pseudo.
2380         (arm_load_pic_register): Handle the pic register being in a pseudo.
2381         (arm_expand_prologue): Only set up the pic register if it is fixed.
2382         (thumb_expand_prologue): Likewise.
2383         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2384         (pic_load_addr_based_insn): Likewise.
2385         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2386         fixed.
2387
2388 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2389
2390         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2391         decimal float modes for all floating point registers.
2392
2393         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2394         match_code "mem" with match_test "macho_lo_sum_memory_operand".
2395
2396 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
2397
2398         PR c/25682
2399         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2400         even when the pointer is not NULL.
2401
2402 2006-01-16  Ian Lance Taylor  <ian@airs.com>
2403
2404         * common.opt (ftoplevel-reorder): New option.
2405         * cgraph.c (cgraph_asm_nodes): New global variable.
2406         (cgraph_asm_last_node): New static variable.
2407         (cgraph_order): New global variable.
2408         (cgraph_create_node): Set new order field.
2409         (cgraph_varpool_node): Likewise.
2410         (decide_is_variable_needed): Return true if not
2411         flag_toplevel_reorder.
2412         (cgraph_add_asm_node): New function.
2413         * cgraph.h (struct cgraph_node): Add order field.
2414         (struct cgraph_varpool_node): Add order field.
2415         (struct cgraph_asm_node): Define.
2416         (cgraph_asm_nodes, cgraph_order): Declare.
2417         (cgraph_add_asm_node): Declare.
2418         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2419         function.
2420         (cgraph_varpool_assemble_pending_decls): Call it.
2421         (cgraph_output_pending_asms): New static function.
2422         (cgraph_finalize_compilation_unit): Call it.
2423         (struct cgraph_order_sort): Define.
2424         (cgraph_output_in_order): New static function.
2425         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
2426         !flag_toplevel_reorder case.
2427         * c-parser.c: Include "cgraph.h".
2428         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2429         assemble_asm.
2430         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2431         than -fno-unit-at-a-time.
2432         * doc/invoke.texi (Option Summary): Mention
2433         -fno-toplevel-reorder.
2434         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
2435         -funit-at-a-time documentation.
2436
2437 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
2438             Kazu Hirata  <kazu@codesourcery.com>
2439
2440         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2441
2442 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
2443
2444         * Makefile.in (FUNCTION_H): New.  Use it instead of
2445         function.h throughout the file.
2446         * function.h: Include tree.h.
2447
2448 2006-01-17  Ben Elliston  <bje@au.ibm.com>
2449
2450         * recog.c: Separate some functions with whitespace.
2451
2452 2006-01-16  Richard Henderson  <rth@redhat.com>
2453
2454         Merge from gomp branch:
2455         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
2456         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2457         and rename from struct inline_data.  Rename callee* to dst*;
2458         caller* to src*; add copy_decl hook, transform_call_graph_edges,
2459         transform_new_cfg, transform_return_to_modify, and
2460         transform_lang_insert_block flags; remove cloning_p, versioning_p,
2461         update_clones_p.
2462         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2463         (copy_decl_for_dup): Remove.
2464         * tree-inline.c (struct inline_data): Move to header.
2465         (insert_decl_map): Export.
2466         (remap_decl): Update for member name changes.  Use copy_decl hook.
2467         Allow for replacement to be a non-decl.  Remove dead code.
2468         (remap_type_1): Check for existing mapping.
2469         (remap_type): Export.
2470         (remap_decls): Update for member name changes.
2471         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2472         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2473         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2474         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2475         (tree_function_versioning, build_duplicate_type): Likewise.
2476         (copy_body_r): Likewise.  Export.
2477         (copy_decl_for_dup): Split into ...
2478         (copy_decl_for_dup_finish, copy_decl_to_var,
2479         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2480         (replace_ref_tree, inlining_p): Remove.
2481
2482 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2483
2484         * ifcvt.c (if_convert): Make it static.
2485         * rtl.h: Remove the prototype for if_convert.
2486
2487         * local-alloc.c (local_alloc): Make it static.
2488         * rtl.h: Remove the prototype for local_alloc.
2489
2490         * loop.c (loop_optimize): Make it static.
2491         * cfgloop.h: Remove the prototype for loop_optimize.
2492         * rtl.h: Likewise.
2493
2494 2006-01-16  DJ Delorie  <dj@redhat.com>
2495
2496         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2497         mems.
2498
2499 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2500
2501         * pa.md: Disparage copies between general and floating-point registers
2502         in 32-bit move patterns.
2503
2504 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
2505
2506         PR testsuite/25741
2507         * Makefile.in (check-%): Depend on site.exp instead of
2508         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2509         directories.
2510
2511 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2512
2513         * global.c (global_alloc): Make it static.
2514         * rtl.h: Remove the prototype for global_alloc.
2515
2516 2006-01-16  Richard Guenther  <rguenther@suse.de>
2517
2518         * tree-ssa-alias.c (struct used_part): Add write_only field.
2519         (get_or_create_used_part_for): Initialize it to true.
2520         (create_overlap_variables_for): Don't create structure variables
2521         for structures that only are written to.
2522         (find_used_portions): Handle MODIFY_EXPR to track whether a
2523         structure is only written to.
2524
2525 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2526
2527         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2528         static.
2529         * basic-block.h: Remove the prototype for
2530         partition_hot_cold_basic_blocks.
2531
2532 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
2533
2534         * cppspec.c (lang_specific_spec_functions): Remove.
2535         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2536         * gcc.h (lang_specific_spec_functions): Remove.
2537         * gccspec.c (lang_specific_spec_functions): Remove.
2538
2539 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
2540
2541         * combine.c (record_value_for_reg): Invalidate registers
2542         if INSN is null.
2543         (record_dead_and_set_regs_1): Likewise, by passing them to
2544         record_value_for_reg.
2545         (record_dead_and_set_regs): Invalidate stores made by a
2546         call.  We do not combine across a call, but we still
2547         relied on equivalences.
2548
2549 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2550
2551         * tree-vrp.c (extract_range_from_binary_expr): Cope with
2552         vrp_int_const_binop returning non-constant nodes.
2553
2554 2006-01-16  Paul Brook  <paul@codesourcery.com>
2555
2556         * config/m68k/m68k.c (output_move_const_into_data_reg):
2557         Output correct mnemonic for mvz and mvs.
2558
2559 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
2560
2561         * rtl-factoring.c: Add sequence abstraction algorithm.
2562         * cfgcleanup.c (outgoing_edges_match): Extra checks.
2563         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2564         ABNORMAL edges.
2565         (block_has_preserve_label): New function.
2566         * common.opt: Register new pass.
2567         * Makefile.in: Ditto.
2568         * passes.c: Ditto.
2569         * timevar.def: Ditto.
2570         * tree-pass.h: Ditto.
2571         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2572         * rtl.h (make_jump_insn_raw): Add forward decl.
2573         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2574
2575 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2576             Roger Sayle  <roger@eyesopen.com>
2577
2578         * fold-const.c (fold_minmax): New static function.
2579         (fold_binary) <MIN_EXPR>: Call it.
2580         <MAX_EXPR>: Likewise.
2581         * stor-layout.c (place_field): Use DECL_SIZE consistently
2582         in the computation of the new record size.
2583
2584 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2585
2586         * cse.c (cse_condition_code_reg): Make it static.
2587         * rtl.h: Remove the prototype for cse_condition_code_reg.
2588
2589         * combine.c (combine_instructions): Make it static.
2590         * rtl.h: Remove the prototype for combine_instructions.
2591
2592 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2593
2594         PR target/25168
2595         * tree.c (get_file_function_name_long): Concatenate the first global
2596         object name with a string derived from the input filename of the object
2597         for type "F".
2598
2599 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2600
2601         * config/i386/winnt-stubs.c: Update FSF address.
2602         * config/xtensa/ieee754-df.S: Ditto.
2603         * config/xtensa/ieee754-sf.S: Ditto.
2604
2605 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2606
2607         * ifcvt.c (noce_init_if_info): New static function, broken out of
2608         noce_process_if_block.
2609         (noce_process_if_block): Call noce_init_if_info.
2610         (check_cond_move_block): New static function.
2611         (cond_move_process_if_block): New static function.
2612         (process_if_block): Call cond_move_process_if_block.
2613
2614 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2615
2616         * cselib.c (hash_table): Rename to cselib_hash_table.
2617         (cselib_clear_table, discard_useless_values,
2618         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2619         cselib_init, cselib_finish): Adjust uses of hash_table.
2620
2621 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2622
2623         PR tree-optimization/25485
2624         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2625         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2626         is known to be false and true, respectively.
2627
2628 2006-01-14  Richard Guenther  <rguenther@suse.de>
2629
2630         PR tree-optimization/22548
2631         PR tree-optimization/22555
2632         PR tree-optimization/22501
2633         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2634         * params.def (salias-max-array-elements): New parameter.
2635         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2636         * doc/invoke.texi (salias-max-array-elements): Document.
2637         * tree-flow-inline.h (var_can_have_subvars): We also handle
2638         arrays now.
2639         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2640         COMPONENT_REF.
2641         * tree-ssa-structalias.c (params.h): Include.
2642         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2643         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2644         (get_constraint_for): For ADDR_EXPR operating on something
2645         containing an ARRAY_REF, add all subvars to the solution.
2646         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2647         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2648         for creating MUST_DEFs.
2649         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2650
2651 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2652
2653         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2654         functions.
2655         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2656         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2657         number_of_iterations_le): New functions.
2658         (number_of_iterations_special): Removed.
2659         (number_of_iterations_exit): Do not use number_of_iterations_special.
2660         * tree.c (unsigned_type_for): Always return integer type.
2661
2662 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2663         Richard Guenther  <rguenther@suse.de>
2664
2665         PR rtl-optimization/24257
2666         * gcse.c (find_moveable_store): Only consider a store movable
2667         when the SET_SRC of the insn can be assigned to a register.
2668
2669 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2670
2671         * tree.c (tree_not_class_check_failed): New function.
2672         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2673         (tree_not_class_check_failed): Declare.
2674
2675 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2676
2677         * reload1.c (do_output_reload): Add assertion rejecting a
2678         CALL_INSN.
2679
2680 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2681
2682         * combine.c (struct reg_stat): Add new fields truncation_label and
2683         truncated_to_mode.
2684         (record_value_for_reg): Reset truncated_to_mode.
2685         (record_truncated_value): New function.
2686         (check_promoted_subreg): Call it.  Rename to check_conversions.
2687         (combine_instructions): Rename check_promoted_subreg to
2688         check_conversions.
2689         (reg_truncated_to_mode): New function.
2690         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2691         (gen_lowpart_or_truncate): New function.
2692         (force_to_mode): Use it instead of gen_lowpart.
2693
2694 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2695
2696         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2697         VAR is a tag, not its type tag.
2698
2699 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2700
2701         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2702         alternatives to match style of other entries.
2703         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2704
2705 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2706
2707         PR tree-optimization/25771
2708         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2709         SSA_NAMES.
2710
2711 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2712
2713         PR tree-opt/24365
2714         * tree-inline.c (declare_return_variable): If the return variable
2715         was marked as a non gimple complex, set the return slot variable
2716         to be a non gimple comple variable.
2717
2718 2006-01-13  Richard Guenther  <rguenther@suse.de>
2719
2720         * builtins.c (expand_builtin_sincos): New function.
2721         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2722         do not set errno.
2723         (expand_builtin): Expand sincos using expand_builtin_sincos.
2724
2725 2006-01-12  DJ Delorie  <dj@redhat.com>
2726
2727         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2728         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2729         so that constant shifts can be split.
2730         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2731         (m32c_valid_pointer_mode): Make static.
2732         (shift_gen_func_for): New.
2733         (m32c_prepare_shift): Use it.  Split large const shifts into
2734         multiple shifts.
2735         * config/m32c/predicates.md (shiftcount_operand): Allow more
2736         general operands.
2737         (longshiftcount_operand): New.
2738         * doc/md.texi (Machine Constraints): Document In6.
2739
2740 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2741
2742         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2743         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2744         documentation.
2745
2746 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2747
2748         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2749         to try to avoid clobbering pieces of structures when we know
2750         something about the whole structure.
2751         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2752
2753 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2754
2755         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2756         return in memory, as this is no limitation is no longer present.
2757
2758 2006-01-12  DJ Delorie  <dj@redhat.com>
2759
2760         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2761         mova with fb, and for fb+0 -> An.
2762
2763         * config/m32c/mov.md (peephole2): Fix enabling logic.
2764
2765         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2766         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2767         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2768         FINI_ARRAY_SECTION_ASM_OP): Define.
2769
2770         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2771         variable.
2772         (m32c_legitimize_reload_address): New logic to reload FB to An.
2773         (m32c_output_reg_push): Add newline.
2774         (m32c_output_reg_pop): Likewise.
2775
2776 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2777
2778         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2779
2780 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2781
2782         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2783
2784 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2785
2786         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2787         match_code.
2788
2789 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2790
2791         * rtlanal.c (find_reg_note): Assert insn is not null.
2792
2793 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2794
2795         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2796         ifdef.
2797
2798 2006-01-11  Jeff Law  <law@redhat.com>
2799
2800         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2801         hold edge pairs.
2802         (mark_threaded_blocks, register_jump_thread): New functions.
2803         (thread_through_all_blocks): Remove unwanted argument.  No
2804         longer rely on e->aux to communicate thread target info.
2805         Call mark_threaded_blocks.  Release the threaded_blocks
2806         bitmap and threaded_edges vector when complete.
2807         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2808         (threaded_blocks): Remove.
2809         (tree_ssa_dominator_optimize): Remove initialization and
2810         finalization of threaded_blocks.  Simplify call to
2811         thread_through_all_blocks.
2812         (thread_across_edge): Call register_jump_thread rather than
2813         storing thread information into e->aux.
2814         (free_all_edge_infos): Simplify now that e->aux is no longer
2815         used to communicate with thread_through_all_blocks.
2816         * tree-flow.h (thread_through_all_blocks): Update prototype.
2817         (register_jump_thread): Prototype.
2818
2819 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2820
2821         * df-core.c (df_compact_blocks, df_bb_replace): Use
2822         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2823
2824 2006-01-11  Richard Guenther  <rguenther@suse.de>
2825
2826         PR tree-optimization/25734
2827         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2828         stop propagation after successful propagation to the LHS.
2829
2830 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2831
2832         * basic-block.h (control_flow_graph): Change the type of
2833         x_basic_block_info to VEC(basic_block,gc) *.
2834         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2835         basic_block_info.
2836         (SET_BASIC_BLOCK): New.
2837         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2838         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2839         * cfgbuild.c (find_basic_blocks): Likewise.
2840         * cfglayout.c (fixup_reorder_chain): Likewise.
2841         * cfgrtl.c (create_basic_block_structure,
2842         rtl_create_basic_block): Likewise.
2843         * ifcvt.c (find_if_case_1): Likewise.
2844         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2845         Likewise.
2846
2847 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2848
2849         * Makefile.in: Removed rotted odf.c entry.
2850
2851 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2852
2853         PR target/25706
2854         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2855         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2856         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2857         output pattern modifier, not %e.
2858         * config/cris/cris.c (cris_op_str): Update comment about pattern
2859         modifier.
2860         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2861         before falling through into...
2862         <case 'E'>: Redefined from old 'e' case.
2863
2864 2006-01-11  Jan Hubicka  <jh@suse.cz>
2865
2866         PR target/25042
2867         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2868
2869 2006-01-11  Jan Hubicka  <jh@suse.cz>
2870
2871         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2872         * i386.c (x86_decompose_lea): Kill.
2873         (ix86_rtx_costs): Kill.
2874
2875 2006-01-11  Jan Hubicka  <jh@suse.cz>
2876
2877         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2878         * cgraph.h (cgraph_node): Add inline_decl.
2879         (cgraph_insert_node_to_hashtable): Declare.
2880         (save_inline_function_body): Declare.
2881         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2882         clones.
2883         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2884         (cgraph_function_versioning): Update call of tree_function_versioning.
2885         (save_inline_function_body): New function.
2886         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2887         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2888         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2889         (cgraph_default_inline_p): Likewise.
2890         (cgraph_decide_inlining_incrementally): Likewise.
2891         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2892         (copy_bb): Kill saving; do updating of clones.
2893         (copy_cfg_body): Kill saving.
2894         (initialize_inlined-parameters): Likewise.
2895         (expand_call_inline): Likewise.
2896         (save_body): Kill.
2897         (tree_function_versioning): New parameter "update_clones".
2898         (inlining_p): Kill saving.
2899         * tree-inline.h (tree_function_versioning): Update prototype.
2900         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2901         saving.
2902
2903 2006-01-11  Ian Lance Taylor <ian@airs.com>
2904
2905         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2906         Allow undoing set of machine mode.
2907         (do_SUBST): Use enums instead of is_int.
2908         (do_SUBST_MODE): New function.
2909         (SUBST_MODE): New macro.
2910         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2911         reg and trying to replace reg_regno_rtx with a new register.
2912         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2913         (simplify_set): Use SUBST_MODE.
2914         (distribute_notes): Remove code that tried to update reg notes
2915         for regno_reg_rtx changes.
2916
2917 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2918
2919         PR tree-optimization/23109
2920         PR tree-optimization/23948
2921         PR tree-optimization/24123
2922
2923         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2924         * tree-cfg.c (single_noncomplex_succ): New.
2925         * tree-flow.h (single_noncomplex_succ): Declare it.
2926         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2927         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2928         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2929         insert_bb, register_division_in, insert_reciprocals,
2930         replace_reciprocal, free_bb): New.
2931         (execute_cse_reciprocals_1): Rewritten.
2932         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2933         Do not commit any edge insertion.  Always compute dominators and
2934         create the allocation pool.
2935         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2936         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2937         * targhooks.c (default_min_divistions_for_recip_mul): New.
2938         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2939         * passes.c (init_optimization_passes): Run recip after tree loop
2940         optimizations.
2941         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2942
2943 2006-01-11  Danny Berlin <dberlin@dberlin.org>
2944             Kenneth Zadeck <zadeck@naturalbridge.com>
2945
2946         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2947         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2948         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2949         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2950         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2951         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2952         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2953         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2954         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2955         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2956         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2957         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2958         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2959         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2960         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2961         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2962         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2963         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2964         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2965         DF_SCAN_POST_ALLOC): New macros.
2966         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2967         df_free_bb_function, df_local_compute_function, df_init_function,
2968         df_dataflow_function, df_confluence_function_0,
2969         df_confluence_function_n, df_transfer_function,
2970         df_finalizer_function, df_free_function, df_dump_problem_function,
2971         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2972         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2973         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2974         df_urec_bb_info, ) New types.
2975         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2976         variables.
2977         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2978         df_analyze_simple_change_some_blocks,
2979         df_analyze_simple_change_one_block, df_compact_blocks,
2980         df_bb_replace, df_bb_regno_last_use_find,
2981         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2982         df_insn_regno_def_p, df_find_def, df_find_use,
2983         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2984         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2985         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2986         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2987         debug_df_chain, df_get_dependent_problem, df_chain_create,
2988         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2989         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2990         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2991         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2992         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2993         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2994         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2995         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2996         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2997         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2998         df_reorganize_refs, df_set_state, df_hard_reg_init,
2999         df_read_modify_subreg_p) New public functions.
3000         * df-core.c: The core dataflow solver and glue routines for rtl
3001         dataflow.
3002         (df_init, df_add_problem, df_set_blocks, df_finish,
3003         df_hybrid_search_forward, df_hybrid_search_backward,
3004         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3005         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3006         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3007         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3008         df_reg_defined, df_find_use, df_reg_used, df_dump,
3009         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3010         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3011         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3012         debug_df_useno, reset_df_after_reload): New functions.
3013         * df-scan.c: The scanning fuctions, once in df.c, completely
3014         rewritten so that they now fully model the functionality of
3015         register usage at the backend.
3016         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3017         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3018         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3019         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3020         df_get_artificial_defs, df_get_artificial_uses,
3021         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3022         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3023         df_refs_delete, df_reorganize_refs, df_set_state,
3024         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3025         df_def_record_1, df_defs_record, df_uses_record,
3026         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3027         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3028         df_record_exit_block_uses, df_hard_reg_init): New functions.
3029
3030         * df-problems.c: Seven concrete dataflow problems that use the
3031         scanning in df-scan.c and are solved by the engine in df-core.c.
3032         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3033         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3034         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3035         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3036         df_ru_free_bb_info, df_ru_alloc,
3037         df_ru_bb_local_compute_process_def,
3038         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3039         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3040         df_ru_transfer_function, df_ru_free, df_ru_dump,
3041         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3042         df_rd_free_bb_info, df_rd_alloc,
3043         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3044         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3045         df_rd_transfer_function, df_rd_free, df_rd_dump,
3046         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3047         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3048         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3049         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3050         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3051         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3052         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3053         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3054         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3055         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3056         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3057         df_urec_mark_reg_use_for_earlyclobber,
3058         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3059         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3060         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3061         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3062         df_chain_create_bb_process_use, df_chain_create_bb,
3063         df_chain_finalize, df_chain_free, df_chains_dump,
3064         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3065         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3066         df_reg_lifetime): New functions.
3067         * df.c: Deleted file.
3068         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3069         consistent with new df api.
3070         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3071         rest_of_handle_sms): Ditto.
3072         * web.c (unionfind_union, union_defs, entry_register, web_main):
3073         Ditto.
3074         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3075         invariant_expr_equal_p, find_defs, check_dependencies,
3076         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3077         free_inv_motion_data, move_loop_invariants): Ditto.
3078         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3079         Update dependencies.
3080         (odf.c): Added defective entry that was deleted later in day.
3081         * sched-deps.c (sched_analyze_1): Ditto.
3082
3083 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3084
3085         * tree-ssa-operands.c (get_expr_operands): Record addressable
3086         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3087         and ARRAY_DECLs.
3088         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3089         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3090
3091 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3092
3093         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3094         function returns true in the positive case.
3095
3096 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3097
3098         PR target/20754
3099         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3100         for SI, DI, SF and DF modes.  Add alternatives to copy between
3101         general and floating point registers to the 32-bit patterns.
3102         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3103         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3104         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3105         generating 64-bit code.
3106         * config/pa/pa.c (output_move_double): Handle copies between general
3107         and floating registers.
3108
3109 2006-01-10  Stuart Hastings  <stuart@apple.com>
3110
3111         * config/i386/i386.md (set_got): Update.
3112         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3113         (builtin_setjmp_receiver): Mach-O support.
3114         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3115         (GOT_SYMBOL_NAME): Define.
3116         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3117         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3118         * config/i386/i386.c (override_options): Revise for Darwin.
3119         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3120         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3121         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3122         * config/i386/i386-protos.h (output_set_got): Likewise.
3123         * config/darwin.c (machopic_legitimize_pic_address): Update
3124         regs_ever_live[].
3125
3126 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3127
3128         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3129         when MODE isn't BLKmode.
3130
3131 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3132
3133         PR rtl-optimization/25367
3134         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3135
3136 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3137
3138         PR target/25718
3139         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3140         for a negative bound.
3141
3142 2006-01-10  Richard Guenther  <rguenther@suse.de>
3143
3144         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3145         Never override with anything constraint.
3146
3147 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3148
3149         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3150         256 bits when optimize_size.
3151
3152 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3153
3154         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3155         MASK_ALIGN_DOUBLE.
3156         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3157         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3158         arguments.
3159
3160 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3161
3162         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3163         float modes.
3164         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3165         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3166         (USE_FP_FOR_ARG): Reject decimal float modes.
3167         (function_arg_advance): Likewise.
3168         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3169         (rs6000_handle_altivec_attribute): Do not permit decimal floating
3170         point types in AltiVec vectors.
3171         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3172         (rs6000_libcall_value): Likewise.
3173
3174 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
3175
3176         * config/xtensa/ieee754-df.S: New file.
3177         * config/xtensa/ieee754-sf.S: New file.
3178         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3179         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3180         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3181
3182 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
3183
3184         * config/sh/predicates.md (binary_float_operator,
3185         binary_logical_operator, commutative_float_operator,
3186         equality_comparison_operator, greater_comparison_operator,
3187         less_comparison_operator, logical_operator,
3188         noncommutative_float_operator, shift_operator,
3189         symbol_ref_operand, unary_float_operator): Remove redundant
3190         conditionals.
3191
3192 2006-01-09  Jeff Law  <law@redhat.com>
3193
3194         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3195         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
3196         now unused arguments.  Callers updated.
3197         (eliminate_redundant_computations): Remove now unused arguments,
3198         callers updated.
3199         (local_fold): Remove, no longer used.
3200         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3201         and moved to...
3202         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3203         (simplify_cond): New function.
3204         (forward_propagate_into_cond): Call simplify_cond.
3205
3206 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
3207
3208         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3209         (*vec_extractv2di_1_sse): New.
3210
3211 2006-01-09  Ben Elliston  <bje@au.ibm.com>
3212
3213         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3214
3215 2006-01-08  Richard Guenther  <rguenther@suse.de>
3216
3217         * tree-ssa-structalias.c (get_constraint_for): Remove
3218         anyoffset argument.
3219         (get_constraint_for_component_ref): Likewise.
3220         (do_deref): Likewise.
3221         (get_constraint_for): Likewise.
3222         (do_structure_copy): Likewise.
3223         (handle_ptr_arith): Likewise.
3224         (find_func_aliases): Likewise.  Remove unused need_anyoffset
3225         variable.
3226
3227 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
3228             Kaz Kojima  <kkojima@gcc.gnu.org>
3229
3230         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3231         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3232         (EXTRA_CONSTRAINT_C16): Remove.
3233         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3234         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3235         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3236         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3237         constants of SHmedia.  Handle nested constant expressions of
3238         SHmedia correctly.
3239         (andcosts): Fix the costs for SHmedia constants.
3240         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3241         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3242         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3243         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3244         (movv4hi_i, movv2si_i): Likewise.
3245         (movsi_const): Adjust the second operand of ior so to match with
3246         the Csu constraint.
3247         (movdi_const, movdi_const_32bit): Likewise.
3248         (movdi_const_16bit+1): Don't sign-extend LOW.
3249         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
3250         step.
3251         (*double_shori): Fix the split condition.  Use GEN_INT instead
3252         of get_int_mode calls.  Mask lower 16-bit of the argument of
3253         the last GEN_INT.
3254         (sym2GOTPLT): Remove.
3255         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3256         gen_rtx_UNSPEC.
3257         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3258         instead of EXTRA_CONSTRAINT_C16.
3259
3260 2006-01-07  Ian Lance Taylor  <ian@airs.com>
3261             David Edelsohn  <edelsohn@gnu.org>
3262
3263         PR rtl-optimization/25662
3264         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3265         for constant operands instead of simplify_gen_binary.
3266         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3267         after trying simplify_binary_operation
3268
3269 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
3270
3271         * tree.c (iterative_hash_expr): Hash decls based on UID.
3272
3273 2006-01-06  Eric Christopher  <echristo@apple.com>
3274
3275         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3276         (TARGET_UNWIND_EMIT): Fix spelling.
3277         * target.h (gcc_target): Add except_table_label.
3278         * except.c (output_function_exception_table): Use.
3279         * varasm.c (default_emit_except_table_label): New.
3280         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3281         define.
3282         (asm_out): Add here.
3283         * output.h (default_emit_except_table_label): Prototype.
3284         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3285         * config/darwin.c (darwin_emit_except_table_label): Define.
3286         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3287
3288 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
3289
3290         PR tree-optimization/18527
3291         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3292         number_of_iterations_special, number_of_iterations_exit):
3293         Move base and step of an iv to a single structure.  Add
3294         no_overflow flag, and use it in # of iterations analysis.
3295         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3296         folded_casts argument.
3297         (simple_iv): Pass base and step in a structure.  Set no_overflow
3298         flag.
3299         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3300         Evaluate expensiveness of computing # of iterations instead of
3301         the final expression.
3302         * tree-scalar-evolution.h (affine_iv): New structure.
3303         (simple_iv): Declaration changed.
3304         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3305         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3306         find_givs_in_stmt): Changed due to simple_iv change.
3307
3308 2006-01-06  Jeff Law  <law@redhat.com>
3309
3310         PR ada/24994
3311         * tree-cfg.c (bsi_replace): Rename final argument from
3312         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
3313         change (stmt -> orig_stmt).
3314         * tree-eh.c (verify_eh_throw_stmt_node): New function.
3315         (bsi_remove): Add new argument.  Remove EH information
3316         if requested.
3317         (verify_eh_throw_table_statements): New function.
3318         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
3319         updated.
3320         * tree-optimize.c (execute_free_cfg_annotations): Verify
3321         the EH throw statement table after removing annotations.
3322         * except.h (verify_eh_throw_table_statements): Prototype.
3323         * tree-flow.h (bsi_remove): Update prototype.
3324         * tree-vrp.c (remove_range_assertions): Add new argument to
3325         bsi_remove call.
3326         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3327         * tree-complex.c (expand_complex_div_wide): Likewise.
3328         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3329         * tree-tailcall.c (eliminate_tailcall): Likewise.
3330         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3331         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3332         * tree-nrv.c (tree_nrv): Likewise.
3333         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3334         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3335         (combine_blocks): Likewise.
3336         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3337         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3338         (cleanup_control_flow): Likewise.
3339         (remove_forwarder_block): Likewise.
3340         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3341         * tree-sra.c (sra_replace): Likewise.
3342         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3343         (forward_propagate_single_use_vars): Likewise.
3344         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3345         * tree-inline.c (expand_call_inline): Likewise.
3346         * tree-vect-transform.c (vect_transform_loop): Likewise.
3347         * tree-outof-ssa.c (rewrite_trees): Likewise.
3348         * tree-cfg.c (make_goto_expr_edges): Likewise.
3349         (cleanup_dead_labels): Likewise.
3350         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3351         (bsi_move_before, bsi_move_after): Likewise.
3352         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3353         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3354
3355 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
3356
3357         PR tree-opt/25528
3358         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3359         and IMAGPART_EXPR.
3360         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3361         on non gimple variables.  Also add checks at the top for decls and
3362         mtags.
3363         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3364         complex types.
3365         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3366         and IMAGPART_EXPR for creating MUST_DEFs.
3367         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3368         and NAME_MEMORY_TAG separately from the DECLs.
3369
3370 2006-01-06  Richard Guenther  <rguenther@suse.de>
3371
3372         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3373         annotation, if necessary.
3374         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3375         redundant calls to update_stmt.
3376         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3377         Likewise.
3378
3379 2006-01-05  Richard Henderson  <rth@redhat.com>
3380
3381         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3382
3383 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3384
3385         * c-typeck.c: Update copyright date.
3386
3387 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3388
3389         * c-typeck.c (build_c_cast): Always warn when casting
3390         from a pointer to an integer of different size, even if
3391         the node was constant.
3392
3393 2006-01-05  Richard Guenther  <rguenther@suse.de>
3394
3395         PR tree-optimization/22555
3396         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3397         if one structure field is an array.
3398         * tree-ssa-operands.c (get_expr_operands): Continue scanning
3399         operands even if we found a subvar, but ignore VOPs in this
3400         case.
3401         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3402         for renaming.
3403         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3404
3405 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
3406
3407         PR middle-end/24998
3408         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3409
3410 2006-01-05  Richard Guenther  <rguenther@suse.de>
3411             Diego Novillo  <dnovillo@redhat.com>
3412
3413         * tree-pass.h (TODO_remove_unused_locals): Define.
3414         * gimple-low.c (expand_var_p, remove_useless_vars,
3415         pass_remove_useless_vars): Remove.  Update all users.
3416         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3417         (remove_unused_locals): New function.
3418         * tree-flow.h (remove_unused_locals): Declare.
3419         * passes.c (execute_todo): Call remove_unused_locals if
3420         TODO_remove_unused_locals is set.
3421         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3422         * tree-ssa-dce.c (pass_dce): Likewise.
3423         * tree-outof-ssa.c (pass_del_ssa): Likewise.
3424
3425 2006-01-05  Richard Guenther  <rguenther@suse.de>
3426
3427         * tree-flow.h (struct fieldoff): Decompose field to
3428         type, size and decl.
3429         * tree-ssa-alias.c (create_sft): Take type as parameter.
3430         (create_overlap_variables_for): Store type, size and decl
3431         in the fieldoff structure.
3432         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3433         of struct fieldoff.
3434         (push_fields_onto_fieldstack): Likewise.
3435         (create_variable_info_for): Likewise.  Use offset for the
3436         SFT name if the decl is not available.
3437
3438 2006-01-04  Paul Brook  <paul@codesourcery.com>
3439
3440         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3441
3442 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
3443
3444         * lambda-code.c (can_put_in_inner_loop): Relax
3445         restrictions.
3446         (can_put_after_inner_loop): New function.
3447         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3448         (perfect_nestify): Change to make copies and modify uses.
3449
3450 2006-01-04  Richard Henderson  <rth@redhat.com>
3451
3452         Merge from gomp branch:
3453         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3454         via integer constant.
3455         (pragma_lex): Remove.
3456         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3457         rather than parsing it.
3458         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3459         handle_pragma_extern_prefix): Add %< %> quotes.
3460         (registered_pragmas): New.
3461         (c_register_pragma_1): New.
3462         (c_register_pragma): Use it.
3463         (c_register_pragma_with_expansion): Likewise.
3464         (c_invoke_pragma_handler): New.
3465         (init_pragma): Use cpp_register_deferred_pragma directly for
3466         pch_preprocess.
3467         * c-pragma.h (enum pragma_kind): New.
3468         (pragma_handler): New.
3469         (c_invoke_pragma_handler): Declare.
3470         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3471         CPP_PRAGMA_EOL.
3472         * c-common.h (c_common_pch_pragma): Update decl.
3473         * Makefile.in (c-parser.o): Update dependencies.
3474         (GTFILES): Add c-pragma.h.
3475         * c-parser.c (struct c_token): Add pragma_kind.
3476         (struct c_parser): Add in_pragma.
3477         (c_lex_one_token): Always initialize keyword and pragma_kind.
3478         Extract data for CPP_PRAGMA.
3479         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3480         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3481         Don't allow CPP_PRAGMA_EOL if in_pragma.
3482         (c_parser_consume_pragma): New.
3483         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3484         (c_parser_skip_to_end_of_parameter): Likewise.
3485         (c_parser_skip_to_end_of_block_or_statement): Likewise.
3486         (c_parser_skip_to_pragma_eol): New.
3487         (c_parser_external_declaration): Handle CPP_PRAGMA.
3488         (c_parser_compound_statement_nostart): Likewise.
3489         (c_parser_statement_after_labels): Likewise.
3490         (c_parser_pragma): New.
3491         (pragma_lex): Likewise.
3492         (c_parser_pragma_pch_preprocess): New.
3493         (c_parser_new): Merge into ...
3494         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
3495
3496 2006-01-04  Jeff Law  <law@redhat.com>
3497
3498         PR ada/24994
3499         * tree-cfg.c (bsi_replace): Remove the original statement
3500         from the EH throw statement table.
3501
3502 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
3503
3504         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3505         make the prototype extern "C" and add throw ().
3506
3507         PR target/25554
3508         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3509         and pos non-negative and pos + len <= 32.
3510         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3511         drop pos + len < HOST_BITS_PER_WIDE_INT test.
3512         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3513
3514         PR c/25559
3515         * c-common.c (handle_vector_size_attribute): Reject zero vector size
3516         as well as sizes not multiple of component size.
3517
3518         PR debug/25562
3519         * function.c (instantiate_expr): New function.
3520         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3521         walk its DECL_VALUE_EXPR with instantiate_expr.
3522
3523         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3524         DW_OP_deref{,_size} if address isn't going to be added.
3525
3526 2006-01-04  Ben Elliston  <bje@au.ibm.com>
3527
3528         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3529         * config/fp-bit.c: Likewise.
3530
3531 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
3532
3533         * dominance.c: Add comment about why we use DFS numbering
3534         of dominance tree.
3535
3536 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3537             Richard Henderson  <rth@redhat.com>
3538
3539         Merge from gomp-branch:
3540         * varasm.c (assemble_variable): Handle thread-local COMMON data.
3541         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3542
3543 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
3544
3545         PR rtl-optimization/25578
3546         * combine.c (combine_simplify_rtx, force_to_mode): Don't
3547         pass a parameter to simplify_shift_const if changing ASHIFTRT
3548         to LSHIFTRT.
3549
3550 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
3551
3552         * builtins.c (get_builtin_sync_mem): New function.
3553         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3554         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3555         Call get_builtin_sync_mem to generate mem rtx.
3556
3557 2006-01-03  Richard Guenther  <rguenther@suse.de>
3558
3559         PR c/25183
3560         * stmt.c (add_case_node): Make sure to clear overflow flags
3561         from ranges.
3562
3563 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3564
3565         Merge from gomp-branch.
3566         * config/sparc/sync.md: New file.
3567         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3568         UNSPECV_LDSTUB): New constants.
3569         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3570         * config/sparc/predicates.md (memory_reg_operand): New predicate.
3571         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3572         prototype.
3573
3574 2006-01-03  Roger Sayle  <roger@eyesopen.com>
3575
3576         * combine.c (reg_subword_p): New predicate to test whether the
3577         destination of a set refers to a subword/piece of a register.
3578         (try_combine): Generalize the code to merge the setting of a
3579         pseudo to a constant followed by a set of a subword of that
3580         register to a constant.
3581
3582 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
3583
3584         * basic-block.h (control_flow_graph): Change the type of
3585         x_label_to_block_map to VEC(basic_block,gc) *.
3586         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3587         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3588
3589         * tree-ssa-propagate.c (cfg_blocks): Change the type to
3590         VEC(basic_block,heap) *.
3591         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3592         ssa_prop_fini): Adjust the uses of cfg_blocks.
3593
3594 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
3595
3596         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3597         COMPONENT_REFs.
3598         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3599         hashing trees instead of a pointer hash.
3600         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3601         compare for MEM_EXPR.
3602
3603         PR rtl-optimization/25130
3604         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3605         when comparing MEMs for GCSE
3606
3607 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3608
3609         * targhooks.h (default_decimal_float_supported_p): Declare.
3610         * targhooks.c (default_decimal_float_supported_p): Define.
3611         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3612         `default_decimal_float_supported_p'.
3613         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3614
3615 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3616
3617         * combine.c (apply_distributive_law <SUBREG>): Check
3618         TRULY_NOOP_TRUNCATION.
3619
3620 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3621
3622         * dwarf2out.c (have_switched_text_section): Delete.
3623         (have_multiple_function_sections): New.
3624         (have_location_lists): Make 'bool'.
3625         (add_AT_loc_list): Use 'true' not '1'.
3626         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3627         (output_loc_list): Use have_multiple_function_sections.
3628         (output_ranges): Likewise.
3629         (dwarf2out_begin_function): Set have_multiple_function_sections if
3630         necessary.
3631         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3632         Check function_section rather than DECL_SECTION_NAME.
3633         (dwarf2out_finish): Use have_multiple_function_sections.
3634         Don't clear have_location_lists.
3635
3636 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3637             Jan Hubicka  <jh@suse.cz>
3638
3639         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3640         case of conditional jump jumping to the next instruction.
3641         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3642         cases of conditional jump jumping to the next instruction.
3643
3644 2006-01-02  Jan Hubicka  <jh@suse.cz>
3645
3646         * i386.c (*_cost): Add COSTS_N_INSNS.
3647         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3648
3649 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3650
3651         PR target/25259
3652         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3653
3654 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3655
3656         * config/arm/arm.c (all_fpus): Fix comment typo.
3657         * config/darwin.c: Likewise.
3658         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3659         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3660         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3661
3662 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3663
3664         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3665         (rs6000_split_compare_and_swapqhi): New.
3666         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3667         (sync_compare_and_swapqhi_internal): New.
3668         * config/rs6000/rs6000-protos.h: Declare.