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