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