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* tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
2
3         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
4         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
5         rewrite_use): Do not handle USE_OUTER.
6         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7         add_iv_outer_candidates, may_replace_final_value,
8         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
9         (find_interesting_uses_op): Functionality of
10         find_interesting_uses_outer_or_nonlin moved here.
11         (find_interesting_uses_outside): Use find_interesting_uses_op.
12
13 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
14
15         PR target/25960
16         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
17
18 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
19             Ulrich Weigand  <uweigand@de.ibm.com>
20
21         PR target/25864
22         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
23         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
24         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
25         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
26         and dxr fields.
27         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
28         (s390_rtx_costs): Use the new fields to calculate rtx costs.
29         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
30         Define secondary reloads for TFmode moves.
31         (constant_modes): Add TFmode.
32         (NR_C_MODES): Set to 8.
33         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
34         builtin define.
35         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
36         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
37         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
38         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
39         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
40         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
41         (FPR mode macro): Add TFmode.
42         (DSF mode macro): New.
43         (<de>, <dee> mode attributes): Removed.
44         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
45         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
46         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
47         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
48         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
49         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
50         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
51         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
52         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
53         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
54         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
55         "*negabs<mode>2", "sqrt<mode>2"):
56         Changed <de> to <xde>. R constraint replaced by <Rf>.
57         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
58         <Rf>.
59         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
60         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
61         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
62         splitters.
63         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
64         "extenddftf2", "extendsftf2"): New expanders.
65         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
66         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
67         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
68         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
69         New options.
70         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
71         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
72         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
73         __floatditf): Add a GCC_4.1.0 symbol version tag.
74         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
75         the new options.
76
77 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
78
79         PR target/25377
80         * config/i386/i386.c (ix86_function_ok_for_sibcall):
81         Use targetm.binds_local_p instead of TREE_PUBLIC.
82
83 2006-02-02  Roger Sayle  <roger@eyesopen.com>
84
85         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
86         on INTEGER_TYPEs to indicate that it denotes a character type.
87         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
88         signed_char_type_node, unsigned_char_type_node and char_type_node.
89         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
90         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
91         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
92
93 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
94             Daniel Berlin  <dberlin@dberlin.org>
95
96         * tree-tailcall.c (arg_needs_copy_p): New function.
97         (eliminate_tail_call): Use arg_needs_copy_p.
98         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
99         (add_virtual_phis): New function.
100
101 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
102
103         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
104         #ignore instead of #scratch for %g7 .register directive.
105
106 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
107
108         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
109         object files.
110
111 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
112
113         * flow.c (calculate_global_regs_live): Assert that there aren't any
114         EDGE_FAKE edges.
115
116 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
117
118         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
119         what its name says.
120         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
121         bsi_after_labels iterator.
122         * tree-if-conv.c (find_phi_replacement_condition,
123         replace_phi_with_cond_modify_expr): Likewise.
124         * tree-scalar-evolution.c (scev_const_prop): Likewise.
125         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
126
127 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
128
129         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
130
131 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
132
133         PR 25990
134         * tree-cfg.c (move_block_to_fn): Clear out the basic block
135         array after growing it.
136
137 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
138
139         PR middle-end/24901
140         * fold-const.c (fold_checksum_tree): Change type of buf.
141
142 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
143
144         * reload.c (push_secondary_reload): Initialize t_icode.
145
146 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
147
148         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
149         -msoft-float -mlong-double-128 only issue a warning, but don't
150         swich to DFmode long double.
151
152 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
153
154         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
155         has a constant equivalent, iterate over equivalents for arg0,
156         calling simplify_relational_operation and if there's a result
157         cheaper than X, apply fold_rtx and return the result.
158
159 2006-02-01  Jan Hubicka  <jh@suse.cz>
160
161         * opts.c (no_unit_at_a_time_default): New global variable.
162         (decode_options): Use it.
163         * opts.h (no_unit_at_a_time_default): Declare.
164
165 2006-02-01  Paul Brook  <paul@codesourcery.com>
166
167         * function.c (assign_parm_setup_reg): Use function argument promotion
168         rules.
169         * expr.c (expand_expr_real_1): Use function argument promotion rules
170         for PARM_DECLs.
171
172 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
173
174         * gcc.c (process_command): Change j to 'unsigned int'.
175
176 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
177
178         PR middle-end/26001
179         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
180         Use the corrected index for the character
181         out of the string constant.
182
183 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
184
185         * mode-switching.c (optimize_mode_switching): Fix size
186         allocated for bb_info[n_entities].
187
188 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
189
190         * gcc.c (main): Correct type that is allocated for
191         explicit_link_files.
192
193 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
194
195         * config/s390/s390.c (init_alignment_context): Set
196         ALIAS_SET_MEMORY_BARRIER on the MEM.
197         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
198
199 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
200
201         PR middle-end/25933
202         * loop-unroll.c (unroll_loop_runtime_iterations): Free
203         dom_bbs pointer.
204         * tree-ssa-live.c (type_var_init): Allocate bitmap after
205         call to tpa_init.
206
207 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
208
209         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
210         * regrename.c: Ditto.
211         * tree-ssa-loop-im.c: Ditto.
212         * tree-dump.c: Ditto.
213         * tree-complex.c: Ditto.
214         * genrecog.c: Ditto.
215         * tree-ssa-threadupdate.c: Ditto.
216         * tracer.c: Ditto.
217         * java/class.c: Ditto.
218         * java/jcf-parse.c: Ditto.
219         * java/resource.c: Ditto.
220         * java/except.c: Ditto.
221         * java/jvspec.c: Ditto.
222         * java/jcf-write.c: Ditto.
223         * java/jcf-path.c: Ditto.
224         * java/gjavah.c: Ditto.
225         * java/zextract.c: Ditto.
226         * java/jcf-io.c: Ditto.
227         * java/jcf.h: Ditto.
228         * java/buffer.c: Ditto.
229         * java/lang.c: Ditto.
230         * java/parse-scan.y: Ditto.
231         * java/lex.c: Ditto.
232         * java/lex.h: Ditto.
233         * cfgloopmanip.c: Ditto.
234         * postreload-gcse.c: Ditto.
235         * tree-ssa-loop-manip.c: Ditto.
236         * postreload.c: Ditto.
237         * tree-ssa-loop-ch.c: Ditto.
238         * loop.c: Ditto.
239         * ipa-cp.c: Ditto.
240         * cppspec.c: Ditto.
241         * diagnostic.c: Ditto.
242         * final.c: Ditto.
243         * genoutput.c: Ditto.
244         * gcc.c: Ditto.
245         * cfghooks.c: Ditto.
246         * cfgloopanal.c: Ditto.
247         * objc/objc-act.c: Ditto.
248         * gcov.c: Ditto.
249         * genextract.c: Ditto.
250         * genautomata.c: Ditto.
251         * pretty-print.c: Ditto.
252         * genemit.c: Ditto.
253         * cgraphunit.c: Ditto.
254         * flow.c: Ditto.
255         * df-scan.c: Ditto.
256         * haifa-sched.c: Ditto.
257         * dominance.c: Ditto.
258         * dbxout.c: Ditto.
259         * tree-ssa-loop-ivopts.c: Ditto.
260         * df-core.c: Ditto.
261         * mode-switching.c: Ditto.
262         * modulo-sched.c: Ditto.
263         * graph.c: Ditto.
264         * ipa-pure-const.c: Ditto.
265         * cse.c: Ditto.
266         * fix-header.c: Ditto.
267         * web.c: Ditto.
268         * tree-stdarg.c: Ditto.
269         * ipa-utils.c: Ditto.
270         * loop-init.c: Ditto.
271         * ipa-inline.c: Ditto.
272         * cfganal.c: Ditto.
273         * global.c: Ditto.
274         * alloc-pool.c: Ditto.
275         * dwarf2out.c: Ditto.
276         * opts.c: Ditto.
277         * genattrtab.c: Ditto.
278         * tree-ssa-loop-ivcanon.c: Ditto.
279         * predict.c: Ditto.
280         * timevar.c: Ditto.
281         * lcm.c: Ditto.
282         * fortran/gfortranspec.c: Ditto.
283         * regmove.c: Ditto.
284         * local-alloc.c: Ditto.
285         * langhooks.c: Ditto.
286         * function.c: Ditto.
287         * tree-vectorizer.c: Ditto.
288         * gcse.c: Ditto.
289         * ipa-type-escape.c: Ditto.
290         * alias.c: Ditto.
291         * tree-if-conv.c: Ditto.
292         * profile.c: Ditto.
293         * ipa.c: Ditto.
294         * tree-data-ref.c: Ditto.
295         * loop-unroll.c: Ditto.
296         * treelang/treetree.c: Ditto.
297         * calls.c: Ditto.
298         * bt-load.c: Ditto.
299         * ggc-common.c: Ditto.
300         * except.c: Ditto.
301         * coverage.c: Ditto.
302         * cselib.c: Ditto.
303         * tree-cfgcleanup.c: Ditto.
304         * tree-ssa-pre.c: Ditto.
305         * cfgcleanup.c: Ditto.
306         * loop-invariant.c: Ditto.
307         * loop-iv.c: Ditto.
308         * ipa-prop.c: Ditto.
309         * print-tree.c: Ditto.
310         * conflict.c: Ditto.
311         * ggc-page.c: Ditto.
312         * sched-deps.c: Ditto.
313         * regclass.c: Ditto.
314         * tree-object-size.c: Ditto.
315         * combine.c: Ditto.
316         * bb-reorder.c: Ditto.
317         * resource.c: Ditto.
318         * var-tracking.c: Ditto.
319         * cfgloop.c: Ditto.
320         * df-problems.c: Ditto.
321         * reg-stack.c: Ditto.
322         * tlink.c: Ditto.
323         * gccspec.c: Ditto.
324         * sched-rgn.c: Ditto.
325         * tree-ssa-structalias.c: Ditto.
326         * tree-ssa-reassoc.c: Ditto.
327         * config/darwin-c.c: Ditto.
328         * config/darwin.c: Ditto.
329         * config/arm/arm.c: Ditto.
330         * cfgrtl.c: Ditto.
331         * collect2.c: Ditto.
332         * reload1.c: Ditto.
333
334 2006-01-31  Nicolas Pitre  <nico@cam.org>
335
336         * arm.md (smaxsi3): Make aware of smax_m1.
337         (smax_m1): New.
338
339 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
340
341         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
342
343 2006-01-31  Richard Guenther  <rguenther@suse.de>
344
345         * doc/invoke.texi (-msselibm): Document.
346         * target.h (expand_library_builtin): New target hook.
347         * builtins.c (expand_builtin): Use expand_library_builtin.
348         (default_expand_library_builtin): New function.
349         * gcc.c (LINK_GCC_MATH_SPEC): Define.
350         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
351         (link_gcc_math_spec): Declare.
352         (static_specs): Add link_gcc_math_spec.
353         * expr.h (default_expand_library_builtin): Declare.
354         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
355         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
356         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
357         * config/i386/i386.opt (msselibm): New target option.
358         * config/i386/i386.c (ix86_builtin_function_variants): New array.
359         (ix86_init_sse_abi_builtins): New function.
360         (ix86_expand_library_builtin): Likewise.
361         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
362         (override_options): Handle error conditions wrt -msselibm.
363         (ix86_builtins): Add function codes for SSE2 ABI builtins.
364         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
365         * doc/extend.texi (__builtin_sse2_*): Document new target specific
366         builtins.
367
368 2006-01-31  Richard Guenther  <rguenther@suse.de>
369         Paolo Bonzini  <bonzini@gnu.org>
370
371         * doc/install.texi (--disable-libgcc-math): Document.
372
373 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
374
375         * expr.h (expand_normal): new inline function.
376         * builtins.c: use it, use EXPAND_NORMAL explicitely.
377         * dojump.c: use it.
378         * dwarf2out.c: use it.
379         * expr.c: use it.
380         * calls.c: use it.
381         * expmed.c: use it.
382         * except.c: use it.
383         * config/sparc/sparc.c: use it.
384         * config/i386/i386.c: use it.
385         * config/rs6000/rs6000.c: use it.
386         * config/arm/arm.c: use it.
387         * config/mips/mips.c: use it.
388         * stmt.c: use it, use EXPAND_NORMAL explicitely.
389
390 2006-01-30  Roger Sayle  <roger@eyesopen.com>
391
392         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
393         argv to the appropriate type.
394
395 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
396
397         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
398         unreachable code.
399
400 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
401
402         PR target/26018
403         * config/s390/s390.c (struct machine_function): New flag
404         decomposed_literal_pool_addresses_ok_p.
405         (s390_reorg): Set it before final stage of literal pool transforms.
406         (s390_decompose_address): Only accept displacements of the form
407         (minus (label_ref ...) (label_ref ...)) if that flag is set.
408
409 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
410
411         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
412         the comparison routine return.
413
414 2006-01-30  Michael Matz  <matz@suse.de>
415
416         * global.c (find_reg): Only evict for global regs.
417         Take n_refs into account and dump more info.
418
419 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
420
421         PR target/14798:
422         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
423         (pragma_trap, pragma_nosave_low_regs): Likewise.
424         (current_function_anonymous_args): Likewise.
425         (sh_deferred_function_attributes): New variable.
426         (sh_deferred_function_attributes_tail): Likewise.
427         (print_operand): For '@', look up trap_exit attribute.
428         (calc_live_regs): Look up trapa_handler attribute.  For trapa
429         handlers, save/restore fpscr, but don't do any other
430         interrupt-specific saves.
431         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
432         Fix check for partially saved registers to check for SHmedia.
433         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
434         (sh_output_function_epilogue): Don't clear any of the removed
435         variables.
436         (sh_insert_attributes): Don't check pragma_interrupt.
437         Insert deferred attributes.  Check that interrupt attribute is
438         present for other attributes that require its presence.
439         (sh_attribute_table): Add new attributes trapa_handler and
440         nosave_low_regs.
441         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
442         Don't check for pragma_interrupt.  Don't store argument.
443         * sh.h (pragma_interrupt, sp_switch): Don't declare.
444         (sh_deferred_function_attributes): Declare.
445         (sh_deferred_function_attributes_tail): Likewise.
446         * sh.md (sp_switch_1): Add operand.  Change generator caller.
447         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
448         (*return_i): Don't use when trap_exit attribute is in effect.
449         (*return_trapa): New insn pattern.
450         * sh-c.c: New file.
451         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
452         setting c_target_objs and cxx_target_objs.
453         * t-sh: Add rule for sh-c.o.
454
455 2006-01-30  Richard Guenther  <rguenther@suse.de>
456
457         PR c++/23372
458         * gimplify.c (gimplify_target_expr): Handle easy cases
459         without creating a temporary.
460
461 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
462
463         * vec.h (safe_grow): Remove duplicated line.
464
465 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
466
467         PR 25874
468         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
469         (expand_omp): ... here.
470         (expand_omp_parallel): Only remove barriers for combined
471         parallel+workshare constructs.
472
473 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
474
475         Revert
476
477         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
478         * tree.c (build_qualified_type): Chain the new type to the original
479         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
480         a POINTER_TYPE or a REFERENCE_TYPE respectively.
481         (build_pointer_type_for_mode): Only return unqualified types.
482         (build_reference_type_for_mode): Likewise.
483
484 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
485
486         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
487         * Makefile.in (CXX_COMPAT_WARN): Define.
488         * configure: Regenerate.
489
490 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
491
492         PR tree-opt/25911
493         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
494         to an if check.
495
496 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
497
498         * toplev.c: Fix thinko.
499
500 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
501             Marcin Dalecki  <martin@dalecki.de>
502
503         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
504         (push_srcloc): Use XNEW.
505         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
506
507 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
508
509         * df-core.c (df_set_blocks): Deleted all variable.
510
511 2006-01-28  Ian Lance Taylor  <ian@airs.com>
512
513         * cgraphunit.c (cgraph_assemble_pending_functions): Call
514         cgraph_output_pending_asms.
515
516 2006-01-28  Zack Weinberg  <zackw@panix.com>
517
518         * c.opt: Add -W(no-)overlength-strings.
519         * doc/invoke.texi: Document it.
520         * c-opts.c (c_common_handle_option): -pedantic implies
521         -Woverlength-strings, if not explicitly disabled already.
522         (c_common_post_options): -Woverlength-strings defaults to off, and
523         is always off for C++.
524         * c-common.c (fix_string_type): Issue warning about strings longer
525         than is portable only if warn_overlength_strings.  Rearrange code
526         a little for clarity.
527         * configure.in: Check for -Wno-overlength-strings as well before
528         enabling -pedantic in stage 1.
529         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
530         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
531
532         * genconditions.c (write_header, write_one_condition)
533         (write_conditions, write_writer): Consolidate very long strings
534         that were broken up to fit in C89 portable limit.  Don't use
535         printf when fputs will do.
536
537 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
538
539         * combine.c (simplify_comparison <AND>): Check
540         TRULY_NOOP_TRUNCATION before start using a subreg.
541
542         * config/mips/mips.md (*branch_zero<mode>,
543         *branch_zero<mode>_inverted, *branch_equality<mode>,
544         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
545         Remove mode check from comparisons.
546
547 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
548
549         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
550
551 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
552
553         * expmed.c (const_mult_add_overflow_p): Remove.
554         * expr.h: Remove the prototype for const_mult_add_overflow_p.
555
556         * recog.c (validate_replace_rtx_subexp): Remove.
557         * recog.h: Remove the prototype for
558         validate_replace_rtx_subexp.
559
560         * integrate.h: Remove the prototype for
561         copy_decl_for_inlining.
562         * rtl.h: Remove the prototype for mark_constant_function.
563         * tree-vectorizer.h: Remove the prototype for
564         vect_strip_conversion.
565
566         * modulo-sched.c (create_partial_schedule,
567         free_partial_schedule, reset_partial_schedule): Make them
568         static.
569
570         * hooks.c (hook_bool_rtx_int_false): Remove.
571         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
572
573 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
574
575         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
576         and -mlong-double-128 are incompatible.
577         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
578         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
579         (TARGET_LIBGCC2_CFLAGS): Define.
580         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
581         (TARGET_LIBGCC2_CFLAGS): Same.
582         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
583
584 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
585
586         PR c/19606.
587         * c-typeck.c (build_binary_op): Perform implicit casts of
588         operands before shortening them.
589
590         * cfgloopmanip.c (split_loop_bb): Remove.
591         * cfgloop.h: Remove the prototype for split_loop_bb.
592
593         * cfgloop.c (flow_loop_outside_edge_p): Remove.
594         * cfgloop.h: Remove the prototype for
595         flow_loop_outside_edge_p.
596
597         * emit-rtl.c (init_virtual_regs): Make it static.
598         * function.h: Remove the prototype for init_virtual_regs.
599
600         * recog.c (peephole2_optimize): Make it static.
601         * recog.h: Remove the prototype for peephole2_optimize.
602
603 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
604
605         * df-scan.c (df_record_entry_block_defs): Check if
606         INCOMING_RETURN_ADDR_RTX is defined.
607
608 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
609             Kenneth Zadeck <zadeck@naturalbridge.com>
610
611         PR rtl-optimization/24762
612         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
613         * targhooks.c (hook_void_bitmap): New hook prototype.
614         * targhoohs.h (hook_void_bitmap): Ditto.
615         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
616         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
617         * target.h (live_on_entry): New function pointer.
618         * df-scan.c (df_all_hard_regs): Removed.
619         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
620         (df_scan_free_internal): Added df->entry_block_defs.
621         (df_scan_alloc): Ditto.
622         (df_scan_dump): Ditto.
623         (df_uses_record): Plumbed flag field properly thru calls.
624         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
625         This part fixes PR24762.
626         (df_bb_refs_record): Added code to make the frame and arg
627         pointers live in EH blocks.
628         (df_refs_record): Added call to df_record_entry_block_defs.
629         (df_record_entry_block_defs): New function.
630         * df-core.c: Added comments to describe new artifical defs.
631         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
632         (entry_block_defs): New field in struct df.
633         (df_all_hard_regs): Deleted.
634         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
635         * df-problems.c (df_ru_bb_local_compute_process_def):
636         Added code to handle artifical defs in the entry to a function.
637         (df_ru_bb_local_compute): Ditto.
638         (df_rd_bb_local_compute_process_def):  Ditto.
639         (df_rd_bb_local_compute): Ditto.
640         (df_lr_bb_local_compute): Ditto.
641         (df_ur_bb_local_compute): Ditto.
642         (df_urec_bb_local_compute):  Ditto.
643         (df_chain_create_bb):  Ditto.
644         (df_ur_local_finalize): Removed entry.
645         (df_urec_init): Ditto.
646         (df_urec_local_finalize): Ditto.
647         (df_ri_bb_compute): Added detection of last use of pseudos.
648         * Makefile.in (df-scan.o): Updated dependencies.
649         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
650         * config/mips/mips.c (mips_set_live_on_entry): Added.
651         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
652         for target hook.
653         * dce.c (marked_insn_p): Added code to handle artifical defs.
654
655 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
656
657         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
658         intrinsic.
659         (_mm_cvtsi128_si64): Likewise.
660         (_mm_cvtsd_si64): Likewise.
661         (_mm_cvttsd_si64): Likewise.
662         (_mm_cvtsi64_sd): Likewise.
663         (_mm_cvtsi64_si128): Likewise.
664         * config/i386/mmintrin.h (_m_from_int64): Likewise.
665         (_mm_cvtsi64_m64): Likewise.
666         (_m_to_int64): Likewise.
667         (_mm_cvtm64_si64): Likewise.
668         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
669         (_mm_cvttss_si64): Likewise.
670         (_mm_cvtsi64_ss): Likewise.
671         (_mm_cvtss_f32): Likewise.
672
673 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
674
675         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
676         for pragma redefine_extname.
677
678 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
679
680         PR target/25864
681         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
682         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
683         -mno-minimal-toc to previous content.
684         (bispecs): Remove goal.
685         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
686         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
687         compatibility aliases on powerpc-*-*gnu*.
688         * config/rs6000/libgcc-ppc-glibc.ver: New file.
689         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
690         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
691         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
692         (ldblspecs): New goal.
693         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
694         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
695         _df_to_tf.
696         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
697         L_sf_to_tf or L_df_to_tf is defined.
698
699 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
700             Alan Modra  <amodra@bigpond.net.au>
701
702         PR target/25864
703         * config/rs6000/linux.h (POWERPC_LINUX): Define.
704         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
705         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
706         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
707         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
708         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
709         (rs6000_override_options): Initialize rs6000_ieeequad.
710         Initialize TFmode format to ibm_extended_format if not
711         TARGET_IEEEQUAD.
712         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
713         ieeelongdouble.
714         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
715         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
716         (function_arg_advance): IBM long double passed in two FPRs, not
717         split.
718         (function_arg): IBM long double passed in FPRs.
719         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
720         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
721         Only multireg GPR aligned.
722         (rs6000_init_libfuncs): Enable IBM long double functions if not
723         IEEEQUAD.
724         (rs6000_generate_compare): Use IBM long double compare if not
725         TARGET_IEEEQUAD.
726         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
727         (TARGET_IEEEQUAD): Define.
728         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
729         not TARGET_IEEEQUAD.
730         * config/rs6000/rs6000.md: Enable TFmode patterns if
731         !TARGET_IEEEQUAD.
732         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
733         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
734         and -mlong-double-128 are incompatible.
735         * doc/invoke.texi (-mabi): Collect options together.  Add
736         ibmlongdouble and ieeelongdouble.
737
738 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
739
740         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
741         opaque type.
742         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
743         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
744         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
745         * rtl.h (rtunion_def): Remove rt_ptr.
746         (X0PTR): Delete.
747         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
748         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
749         * config/i386/winnt.c (i386_pe_mark_dllexport)
750         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
751
752 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
753
754         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
755
756 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
757
758         PR other/24829
759         PR target/24831
760         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
761         pthread_key_delete.  From John David Anglin.  gthrw-ify
762         pthread_getunique_np only if it it's not a macro.  Delete
763         UNUSED macro.
764         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
765         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
766         __gthread_objc_condition_signal, __gthread_key_delete): Add
767         "__attribute__ ((__unused__))" to unused arguments.
768         (__gthread_recursive_mutex_init_function): Add missing return.
769         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
770         gthr-posix95.h: Use macro-based approach for name redirection
771         on targets missing weakref.
772
773 2006-01-26  Zack Weinberg  <zackw@panix.com>
774
775         * genconditions.c (write_header): In generated code, #ifdef out
776         all includes and fake declarations, except includes of bconfig.h
777         and system.h, unless GCC_VERSION >= 3001.  Do not include
778         gensupport.h in any case.
779         (write_conditions): Generate a definition of struct c_test.  Add
780         a comment to the generated #endif.
781         (write_one_condition): Escape backslashes in string too.
782         (write_writer): Generated code must escape backslashes and quote
783         marks (but not newlines) in the strings it writes.
784         * Makefile.in (build/gencondmd.o): Update dependencies.
785
786 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
787
788         PR target/25961
789         * Makefile.in (insn-automata.o): Add header file dependencies.
790         * genautomata.c: Add includes.
791
792 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
793
794         PR target/25961
795         * Makefile.in (insn-automata.o): Add -Wno-error flag.
796
797 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
798
799         * configure.ac: Expect target tools paths to be passed from the toplevel
800         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
801         AS_SET_VAR_IF.
802         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
803
804 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
805
806         PR c/25892
807         * c.opt (Wpointer-sign): Init to -1.
808         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
809         OPT_pedantic, to 0 otherwise.
810         * doc/invoke.texi: Update.
811
812 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
813
814         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
815         constants provided by 80387 instructions in the destination mode.
816
817 2006-01-26  Richard Guenther  <rguenther@suse.de>
818             Andrew Pinski  <pinskia@physics.uc.edu>
819
820         PR tree-opt/21470
821         partial PR tree-opt/17064
822         * tree-ssa-structalias.c (intra_create_variable_infos):
823         Create heap variables for incoming parameters if
824         flag_argument_noalias > 1.
825         (find_what_p_points_to): Look through default defs of
826         parameter decls.
827
828 2006-01-26  Jeff Law  <law@redhat.com>
829
830         PR ada/25900
831         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
832         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
833         within the VR_RANGE, use the VR_RANGE as the result, not the
834         VR_ANTI_RANGE.
835         (adjust_range_with_scev): Reject ranges from SCEV which are out
836         of bounds for the type.
837
838 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
839
840         * tree-ssa-alias.c (maybe_create_global_var): Change
841         subvar walking to an assertion that we don't have subvar'd variables.
842
843 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
844
845         PR C/25861
846         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
847         Use a new variable, inner.  PARM_DECLs are always non-weak.
848
849 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
850
851         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
852         --disable-checking.
853
854 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
855
856         * config/mips/mips.md (*clear_upper32): New combiner pattern.
857
858 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
859
860         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
861         (smax_insn, smin_insn, smax_0, smin_0): New.
862
863 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
864
865         PR target/25947
866         * config/cris/cris.c (cris_order_for_addsi3): New function.
867         * config/cris/cris-protos.h: Prototype it.
868         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
869         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
870         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
871         (split for "op.S1 [rx=rx+i],ry (swapped)")
872         (split for "op(s|u).S1 [rx=rx+i],ry")
873         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
874         Apply cris_order_for_addsi3 when generating addsi3 insns.
875
876 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
877
878         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
879         (TREE_BLOCK): Add call to EXPR_CHECK.
880
881 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
882
883         PR 25886
884         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
885         * tree-pretty-print.c (dump_omp_clause): Extract from ...
886         (dump_omp_clauses): ... here.
887         (dump_generic_node): Handle OMP_CLAUSE.
888         * tree.c (omp_clause_num_ops): New.
889         (omp_clause_code_name): New.
890         (tree_code_size): Handle OMP_CLAUSE.
891         (tree_size): Likewise.
892         (make_node): Document handling of OMP_CLAUSE.
893         (tree_node_structure): Handle OMP_CLAUSE.
894         (omp_clause_check_failed): New.
895         (omp_clause_range_check_failed): New.
896         (omp_clause_operand_check_failed): New.
897         (build_omp_clause): New.
898         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
899         * tree.h (enum omp_clause_code): Declare.
900         (OMP_CLAUSE_SUBCODE_CHECK): Define.
901         (OMP_CLAUSE_RANGE_CHECK): Define.
902         (OMP_CLAUSE_ELT_CHECK): Define.
903         (omp_clause_check_failed): Declare.
904         (omp_clause_operand_check_failed): Declare.
905         (omp_clause_range_check_failed): Declare.
906         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
907         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
908         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
909         (OMP_CLAUSE_LASTPRIVATE): Likewise.
910         (OMP_CLAUSE_IF_EXPR): Likewise.
911         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
912         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
913         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
914         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
915         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
916         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
917         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
918         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
919         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
920         (OMP_CLAUSE_CODE): Define.
921         (OMP_CLAUSE_SET_CODE): Define.
922         (OMP_CLAUSE_CODE): Define.
923         (OMP_CLAUSE_OPERAND): Define.
924         (struct tree_omp_clause): Declare.
925         (union tree_node): Add field 'omp_clause'.
926         * treestruct.def (TS_OMP_CLAUSE): Define.
927         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
928         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
929         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
930         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
931         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
932         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
933         (OMP_CLAUSE): Define.
934         * print-tree.c (print_node): Handle OMP_CLAUSE.
935         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
936         * c-typeck.c: Likewise.
937         * gimplify.c: Likewise.
938         * c-omp.c: Likewise.
939         * tree-nested.c: Likewise.
940         * tree-inline.c: Likewise.
941         * c-parser.c: Likewise.
942         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
943         clauses.
944
945 2006-01-25  Roger Sayle  <roger@eyesopen.com>
946
947         PR rtl-optimization/25703
948         * combine.c (try_combine): Handle zero_extract and strict_low_part
949         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
950
951 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
952
953         * global.c: Fix comment typos.
954
955 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
956
957         PR target/25758
958         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
959         Use output_addr_const instead of assemble_name.
960
961 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
962
963         * Makefile.in (sched-vis.o): Update dependencies.
964         * haifa-sched.c (sched_finish): Clear current_sched_info.
965         * cfg.c (dump_bb_info): New, split from dump_flow_info.
966         (dump_flow_info): Call it.
967         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
968         a slim RTL dump.
969         * basic-block.h (dump_bb_info): Declare.
970         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
971         option, and apply options only for dump files whose TDF_RTL,
972         TDF_TREE, or TDF_IPA bits match.
973         * rtl.h: Declare new functions exported from sched-vis.c.
974         * sched-vis.c: Enable also if scheduling is not used.
975         (print_value): Print the mode of registers if not inside scheduling.
976         (print_insn): Make it work outside the scheduler.  Beautify the output
977         a bit.
978         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
979
980 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
981
982         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
983         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
984         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
985         depending on the value of CONSTANT_POOL_ADDRESS_P.
986         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
987         SYMBOL_REF_DECL.
988         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
989         rather than SYMBOL_REF_DECL.
990         (rtx_constant_pool): Remove const_rtx_sym_htab.
991         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
992         (init_varasm_status): Don't initialize const_rtx_sym_htab.
993         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
994         Remove handling of const_rtx_sym_htab.
995         (find_pool_constant): Delete.
996         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
997         rather than find_pool_constant.
998         (get_pool_constant_for_function): Delete.
999         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1000         find_pool_constant.
1001         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1002         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1003         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1004         (SYMBOL_REF_CONSTANT): New macro.
1005         (get_pool_constant_for_function): Delete.
1006         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1007         rather than SYMBOL_REF_DECL.
1008         (i386_pe_mark_dllimport): Likewise.
1009         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1010         rather than SYMBOL_REF_DECL.
1011         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1012         (machopic_indirect_call_target): Likewise.
1013
1014 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1015
1016         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1017
1018 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1019
1020         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1021
1022 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1023
1024         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1025
1026 2006-01-24  David Daney  <ddaney@avtrex.com>
1027
1028         PR java/25816
1029         * configure.ac (enable_tls): New enable option.
1030         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1031         * configure: Regenerate.
1032         * doc/install.texi (--enable-tls): Document new option.
1033         (--disable-tls): Ditto.
1034
1035 2006-01-24  Richard Henderson  <rth@redehat.com>
1036
1037         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1038         * alias.c (true_dependence): Respect it.
1039         (canon_true_dependence, write_dependence_p): Likewise.
1040         * builtins.c (get_builtin_sync_mem): Set it.
1041
1042 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1043
1044         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1045         efficient way.
1046
1047 2006-01-24  DJ Delorie  <dj@redhat.com>
1048
1049         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1050         for storing constants in single-bit bitfields.
1051
1052 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1053
1054         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1055
1056 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1057
1058         PR tree-opt/25860
1059         * tree-ssa-pre.c (phi_translate): Return NULL
1060         for AGGREGATE_TYPE's.
1061
1062 2006-01-24  Zack Weinberg  <zackw@panix.com>
1063
1064         * genautomata.c (process_state_for_insn_equiv_partition):
1065         Use xcalloc for insn_arcs_array.
1066         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1067         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1068
1069 2006-01-24  Richard Henderson  <rth@redhat.com>
1070
1071         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1072         update all callers.
1073
1074 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1075
1076         PR rtl-optimization/25890
1077         PR rtl-optimization/25905
1078         * combine.c (expand_compound_operation, expand_field_assignment):
1079         Fail if the bitfield's final position is out of bounds.
1080
1081 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1082
1083         PR middle-end/25930
1084         * cgraphunit.c (cgraph_output_in_order): Don't clear
1085         cgraph_asm_nodes until after asm strings have been output.
1086
1087 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1088
1089         * fix-header.c (read_scan_file): Add new parameter imultilib when
1090         calling register_include_chains.
1091
1092 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1093
1094         * omp-low.c: Update documentation.
1095
1096 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1097             Daniel Berlin  <dberlin@dberlin.org>
1098
1099         PR tree-opt/25315
1100         PR tree-opt/25857
1101         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1102         return from the function.
1103
1104 2006-01-22  Zack Weinberg  <zackw@panix.com>
1105
1106         * rtl.def (match_code): Add second argument.
1107         * genpreds.c (write_extract_subexp): New function.
1108         (write_match_code): Add path argument.  Use write_extract_subexp.
1109         (write_predicate_expr): Pass path to write_match_code.
1110         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1111         not perform a mode test.
1112         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1113         a subexpression does not constrain the top-level code set.
1114         * read-rtl.c (read_rtx_variadic): New function.
1115         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1116         * doc/md.texi: Document new notation.
1117         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1118         (cmpsi_operand): ... here, using new notation.
1119
1120 2006-01-22  Zack Weinberg  <zackw@panix.com>
1121
1122         * varray.c: Remove GENERATOR_FILE #ifdefs.
1123
1124 2006-01-22  Zack Weinberg  <zackw@panix.com>
1125
1126         * genautomata.c (output_reserved_units_table): Emit nothing if
1127         description->query_units_num is zero.  Remove extra blank line.
1128         (output_cpu_unit_reservation_p): Short circuit
1129         if description->query_units_num is zero.
1130
1131 2006-01-22  Zack Weinberg  <zackw@panix.com>
1132
1133         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1134         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1135         nor any of the random handful of variables that used to be necessary
1136         when this program was linked with rtlanal.o.  Prune set of forward
1137         function declarations.
1138         (struct attr_desc): Remove static_p field.
1139         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1140         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1141         (attr_string): Do not read the character one past the length of
1142         the string.
1143         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1144         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1145         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1146         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1147         (make_automaton_attrs): New.
1148         (main): Do not call into genautomata.  Call local gen_bypass
1149         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1150         Remove special case for insn_alts.
1151         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1152         varray.h (leftover from previous change).  Prune set of forward
1153         function declarations.  Remove state_alts fields from all
1154         structures.  Remove state_alts_table from struct automaton.
1155         Make everything except main static.  Do not maintain num_dfa_decls.
1156         Do not maintain state_alts fields of various structures.
1157         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1158         (add_arc): Remove state_alts argument.  All callers updated.
1159         (output_reserved_units_table): Emit #ifdef here...
1160         (output_tables): ...not here.  Don't generate state_alts tables.
1161         (expand_automata): Don't generate attributes.
1162         (write_automata): Don't generate state_alts functions.
1163         (main): New function.
1164         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1165         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1166         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1167         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1168         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1169         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1170         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1171         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1172         Delete.
1173         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1174         * genattrtab.h: Delete file.
1175         * Makefile.in (OBJS-common): Add insn-automata.o.
1176         (insn-automata.o): New rule.
1177         (simple_generated_c): Add insn-automata.c.
1178         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1179         (genprogmd): Add automata.
1180         (build/genattrtab): Needs no extra objects nor libraries.
1181         (build/genautomata): Needs build/vec.o and -lm.
1182
1183 2006-01-22  Zack Weinberg  <zackw@panix.com>
1184
1185         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1186         (output_dfa_max_issue_rate, locked_states_num): Delete.
1187         (struct automaton): Add locked_states field.
1188         (output_dead_lock_vect): Save number of locked states in
1189         automaton->locked_states.  If it is zero, don't print anything.
1190         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1191         (output_internal_dead_lock_func): Only test the dead_lock_vect
1192         for automata that have locked states.
1193         (output_statistics): Always print the number of locked states for
1194         each automaton.  Calculate total number of locked states here.
1195         (write_automata): Don't call output_dfa_max_issue_rate.
1196         * genattrtab.c: Define length_unit_log as a const variable.
1197         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1198         max_insn_queue_index const.
1199         * final.c (length_unit_log): Declare const.
1200         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1201
1202 2006-01-22  Zack Weinberg  <zackw@panix.com>
1203
1204         * genautomata.c:  Include vec.h, not varray.h.
1205         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1206         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1207         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1208         VEC_* macros operating on appropriately typed vectors, or to
1209         malloced arrays when the size is known in advance.  Const-ify
1210         many char* variables and function arguments.  No functional changes.
1211         * Makefile.in (build/varray.o): Delete rule.
1212         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1213         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1214
1215 2006-01-22  Zack Weinberg  <zackw@panix.com>
1216
1217         * gensupport.c: Define get_insn_name and record_insn_name here.
1218         (read_md_rtx): Call record_insn_name as appropriate.
1219         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1220         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1221         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1222         record_insn_name.
1223         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1224         (BUILD_VARRAY): Delete.
1225         (genprognormal): Rename genprogmd.  Fold in all programs from
1226         genprognoprint; also attrtab.
1227         (build/genattrtab): Just mention genautomata.o and varray.o.
1228         Reorganize a bit, add comments to make the categories clearer.
1229
1230 2006-01-22  Zack Weinberg  <zackw@panix.com>
1231
1232         * genconditions.c (condition_table, add_condition): Delete.
1233         (write_conditions): Don't emit n_insn_conditions nor
1234         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1235         inside the table, with no #else clause ...
1236         (write_header): ...not here.
1237         (write_writer): New function.
1238         (main): Don't initialize condition_table.  Use add_c_test.
1239         Call write_writer.
1240         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1241         files on the command line.
1242         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1243         Return -1 if there is no entry in the table, don't abort.
1244         (add_c_test, traverse_c_tests): New functions.
1245         * gensupport.h (insn_elision_unavailable, insn_conditions)
1246         (n_insn_conditions): Delete declarations.
1247         (add_c_test, traverse_c_tests): Declare.
1248         * read-rtl.c: Include gensupport.h.
1249         (read_conditions): New function.
1250         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1251         (read_rtx_1): If we get EOF when we were looking for an initial
1252         open paren, return 0.  Call read_conditions when appropriate.
1253         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1254         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1255         or change them to build/gencondmd.o, as appropriate.  Remove
1256         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1257         from $(simple_generated_c).  For all files remaining in those
1258         two lists, add insn-conditions.md to the generator command line.
1259         Give insn-constants.h/s-constants their own rules.  Add rules
1260         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1261         (build/read-rtl.o): Depend on gensupport.h.
1262         (genprognormal): Include preds.
1263         (genprogearly): Rename genprognoprint; only difference is now that
1264         they don't link with $(BUILD_PRINT).
1265         * dummy-conditions.c: Delete.
1266
1267 2006-01-22  Zack Weinberg  <zackw@panix.com>
1268
1269         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1270         Declare vectors of int, char, and locstr.
1271         (locstr): New typedef.
1272         (struct extraction): Make all array fields into bare pointers.
1273         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1274         (insn_code_number): Delete.
1275         (accum_extract): New struct.
1276         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1277         (gen_insn): Take insn_code_number as an argument.  Use an
1278         accum_extract structure instead of loading data directly into
1279         a struct extraction, and having to know how big it might get.
1280         (walk_rtx): Operate entirely on an accum_extract structure.
1281         (print_path): Avoid unnecessary use of printf.
1282         (print_header): New function, split out of main.  Distinguish
1283         more carefully between an unrecognizable insn and an insn that
1284         has the code number of a define_expand.
1285         (main): Pass insn_code_number to gen_insn.  Call print_header
1286         only after parsing.  Avoid unnecessary use of printf.
1287         * Makefile.in (build/vec.o): New rule.
1288         (build/genextract): Depend on build/vec.o.
1289         (build/genextract.o): Don't depend on insn-config.h.
1290
1291 2006-01-22  Zack Weinberg  <zackw@panix.com>
1292
1293         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1294         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1295         practical.  Eliminate per-generator-program link rules.
1296
1297 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1298
1299         PR middle-end/24437
1300         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1301         with a call expr to ...
1302         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1303
1304 2006-01-23  Richard Guenther  <rguenther@suse.de>
1305
1306         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1307         before make_edge with conditional EDGE_TRUE_VALUE.
1308
1309 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1310         Jan Hubicka  <jh@suse.cz>
1311         Richard Guenther  <rguenther@suse.de>
1312
1313         PR rtl-optimization/25654
1314         * cfgexpand.c (aggregate_contains_union_type): New function.
1315         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1316         for structure variables that contain a union type.
1317
1318 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1319
1320         * gengtype.c (new_structure): Return the structure.
1321         (create_option): Add an extra "next" argument.
1322         (create_field): New function.
1323         (adjust_field_rtx_def): Use create_option and create_field.
1324         Remove a now-unnecessary call to find_structure.
1325         (adjust_field_tree_def): Likewise.
1326         (note_yacc_type): Remove an unnecessary call to find_structure.
1327         * gengtype.h (new_structure): Return the structure.
1328         (create_option): Add an extra argument.
1329         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1330         (option): Adjust calls to create_option.
1331
1332 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
1333
1334         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1335
1336 2006-01-22  Paul Brook  <paul@codesourcery.com>
1337         Peter Barada  <peter@the-baradas.com>
1338
1339         * config/m68k/m68k.md: Add Coldfire FPU support.
1340         Define FP mode macro and associated attributes.
1341         Use it for float mode patterns.
1342         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1343         (LIBCALL_VALUE): Use m68k_libcall_value.
1344         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1345         (m68k_function_value): Ditto.
1346         (emit_move_sequence): Ditto.
1347         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1348         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1349         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1350         (MULTILIB_EXCEPTIONS): Ditto.
1351         * config/m68k/m68k.opt: Add mcfv4e.
1352         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1353         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1354         (m68k_output_function_prologue): Save ColdFire FPU registers.
1355         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1356         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1357         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1358         ColdFire FPU registers.
1359         (m68k_libcall_value, m68k_function_value): New functions.
1360         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1361         (LIBCALL_VALUE): Use m68k_libcall_value.
1362         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1363         (MASK_COLDFIRE): Add MASK_CFV4E.
1364         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1365         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1366         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1367         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1368         (GO_IF_LEGITIMATE_ADDRESS): Use it.
1369         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1370         * doc/invoke.tex: Document -mcfv4e on m68k.
1371
1372 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1373
1374         * doc/contribute.texi: Change CVS to SVN and update the corresponding
1375         URL.
1376
1377 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1378
1379         PR c++/16190
1380         * c-opts.c (c_common_handle_option): Don't include
1381         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1382         * doc/invoke.texi (C++ Dialect Options): Document that
1383         -Wnon-virtual-dtor is no longer included in -Wall.
1384
1385 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
1386
1387         * gcov.c (print_version), gcov-dump.c (print_version),
1388         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1389         dates.
1390
1391 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1392
1393         * df-scan.c (problem_SCAN): Added NULL reset function.
1394         (df_scan_reset_blocks): Added code to call reset block function
1395         (df_bb_refs_delete) Fixed comment.
1396         (df_insn_refs_delete): Made tolerant of deleting non existent info
1397         for dataflow problems that need to be reset.
1398         * df-core.c (df_set_blocks): Ditto.
1399         * df.h (struct df_problem): Added reset_fun.
1400         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1401         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1402         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1403         functions to clear out all references to def-use or use-def chains.
1404
1405 2006-01-21  Ben Elliston  <bje@au.ibm.com>
1406
1407         * varasm.c (assemble_real): Initialise data array.
1408
1409 2006-01-20  Paul Brook  <paul@codesourcery.com>
1410
1411         Merge from csl-arm-branch.
1412         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1413         * config/arm/arm.md (movdi): Force operands[1] to a register
1414         if we have a non-register source.
1415         (*arm_movdi, *movdf_soft_insn): Require that one of the
1416         operands be a register.
1417         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1418         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1419
1420 2006-01-20  DJ Delorie  <dj@redhat.com>
1421
1422         * varasm.c (initialize_constant_valid_p): Allow pointers
1423         initialized from integer constants of lesser precision.
1424         (output_constant): Allow non-int-sized pointer modes to be
1425         initialized from integer constants.
1426
1427 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
1428
1429         PR libstdc++/25524
1430         * cppdefault.h (struct default_include): Add multilib flag.
1431         * cppdefault.c (cpp_include_defaults): Set it.
1432         * c.opt (-imultilib): New option.
1433         * c-opts.c (imultilib): New.
1434         (c_common_handle_option): Handle -imultilib.
1435         (c_common_post_options): Likewise.
1436         * c-incpath.c (add_standard_paths, register_include_chains):
1437         Likewise.
1438         * c-incpath.h (register_include_chains): Add extra parameter.
1439         * gcc.c (do_spec_1): Generate -imultilib option.
1440         (The Specs Language): Update %I description.
1441         (process_command): Update copyright notice.
1442         * doc/cppopts.texi (-imultilib): Document.
1443         * doc/invoke.texi (-imultilib): Include in option summary.
1444         (%I): Update specs documentation.
1445
1446 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1447
1448         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1449
1450 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
1451
1452         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1453         label numbers.
1454
1455 2006-01-20  Richard Guenther  <rguenther@suse.de>
1456         Steven Bosscher <stevenb.gcc@gmail.com>
1457
1458         PR rtl-optimization/24626
1459         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1460         EDGE_TRUE_VALUE if in RTL mode.
1461
1462         Revert
1463         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1464         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1465
1466 2006-01-20  Dirk Mueller  <dmueller@suse.com>
1467
1468         PR c++/5520
1469         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1470         instead of a special NOP marker.
1471         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1472         NOP marker handling.
1473         * c-common.h (empty_body_warning): Add forward declaration.
1474         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1475         Now uses IS_EMPTY_STMT() instead of special NOP markers.
1476
1477 2006-01-20  Paul Brook  <paul@codesourcery.com>
1478
1479         * Makefile.in (lang_checks): Keep going if mkdir fails.
1480
1481 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1482
1483         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1484         be able to clean out basic block when not necessary.
1485         (df_scan_free): Fixed to properly delete information if df is
1486         unused before calling df_finish.
1487         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1488         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1489         or comment typos.
1490         (df_bb_refs_delete): New function.
1491         (df_refs_delete): Moved per block code to df_bb_refs_delete.
1492         * df-core.c (df_set_blocks): Added code to properly clean out
1493         unused blocks if they are not part of the blocks to consider.
1494         Added additional null check.
1495         (df_compact_blocks): Added basic block parameter to free_bb_fun to
1496         be able to clean out basic block when not necessary
1497         * df.h (df_free_bb_function): Ditto.
1498         (df_bb_refs_delete): New function.
1499         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1500         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1501         basic block parameter to be able to clean out basic block when not
1502         necessary.
1503         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1504         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1505         Fixed to properly delete information if df is unused before
1506         calling df_finish.
1507
1508 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1509
1510         PR rtl-optimization/25799
1511         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1512         Corrected confluence operator to remove bits from op2 before oring
1513         with op1 rather than removing bits from op1.
1514         (df_ru_transfer_function): Corrected test on wrong bitmap which
1515         caused infinite loop.  Both of these problems were introduced in
1516         the dataflow rewrite.
1517
1518 2006-01-19  DJ Delorie  <dj@redhat.com>
1519
1520         * reload1.c (find_reload_regs): Note the details of reload
1521         failures in the dump file.
1522         (spill_failure): Likewise.
1523
1524 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1525
1526         * loop-iv.c: Include df.h and hashtab.h.
1527         (enum iv_grd_result): New enum.
1528         (DF_REF_IV, DF_REF_IV_SET): New macros.
1529         (struct biv_entry): New.
1530         (df, bivs): New global variables.
1531         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1532         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1533         Removed.
1534         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1535         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1536         analyzed_for_bivness_p, record_biv): New functions.
1537         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1538         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1539         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1540         UD chains.
1541         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1542         analysed.
1543         (iv_number_of_iterations): Use new interface to iv analysis.
1544         * loop-unroll.c: Do not include varray.h.
1545         (analyze_iv_to_split_insn): Use new interface to iv
1546         analysis.
1547         * loop-unswitch.c (may_unswitch_on): Ditto.
1548         * df.c (df_bitmaps_free): Only work for bbs for that structures are
1549         allocated.
1550         (df_bb_modify): Realloc tables to the new index.
1551         (df_find_use): New function.
1552         * df.h (df_find_use): Declare.
1553         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1554         outmode.
1555         * cfgloop.h (struct rtx_iv): Remove analysed field.
1556         (iv_get_reaching_def): Removed.
1557         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1558         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1559         (loop-iv.o): Add df.h and hashtab.h dependency.
1560         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1561
1562 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
1563
1564         PR target/25668
1565         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1566         Double TFmode.
1567         (__floatundisf, __floatundidf): Likewise.
1568         * libgcc2.h (IS_IBM_EXTENDED): Define.
1569
1570 2006-01-19  DJ Delorie  <dj@redhat.com>
1571
1572         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1573
1574 2006-01-19  Paul Brook  <paul@codesourcery.com>
1575
1576         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1577         as nothrow when unwinding tables are disabled.
1578
1579 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1580
1581         PR testsuite/25171
1582         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1583         of bit-field" when in system header.
1584
1585 2006-01-19  DJ Delorie  <dj@redhat.com>
1586
1587         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1588         the 16 bit shift limit of the m16c.
1589
1590 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
1591
1592         PR target/22099
1593         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1594         * config/i386/i386.c (output_set_got): Output the label if we have one
1595         for the TARGET_DEEP_BRANCH_PREDICTION case.
1596
1597 2006-01-19  Jan Hubicka  <jh@suse.cz>
1598             H.J. Lu  <hongjiu.lu@intel.com>
1599             Evandro Menezes <evandro.menezes@amd.com>
1600
1601         * invoke.texi (generic): Document
1602         (i686) Update.
1603         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1604         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1605         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1606         (x86_use_incdec, x86_pad_returns): New variables
1607         (TARGET_CPU_DEFAULT_generic): New constant
1608         (TARGET_CPU_DEFAULT_NAMES): Add generic.
1609         (enum processor_type): Add generic32 and generic64.
1610         * i386.md (cpu attribute): Add generic32/generic64
1611         (movhi splitter): Behave sanely when both partial_reg_dependency and
1612         partial_reg_stall are set.
1613         (K8 splitters): Enable for generic as well.
1614         * predicates.md (incdec_operand): Use TARGET_INCDEC
1615         (aligned_operand): Avoid memory mismatch stalls.
1616         * athlon.md: Enable for generic64, new patterns for 128bit moves.
1617         * ppro.md: Enable for generic32
1618         * i386.c (generic64_cost, generic32_cost): New.
1619         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1620         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
1621         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
1622         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1623         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1624         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1625         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1626         x86_accumulate_outgoing_args, x86_prologue_using_move,
1627         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1628         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1629         Enable for generic.
1630         (x86_use_incdec, x86_pad_returns): New.
1631         (override_options): Add generic32 and generic64, translate "generic"
1632         to generic32/generic64 and "i686" to "generic32", refuse
1633         "generic32"/"generic64" as arch target.
1634         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1635         (ix86_reorg): Honor PAD_RETURNS.
1636
1637 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
1638
1639         * tree-pretty-print.c (dump_generic_node): Handle
1640         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1641         * cgraph.c (cgraph_expand_queue): Rename from
1642         cgraph_analyze_queue.  Update all users.
1643         * cgraphunit.c (cgraph_assemble_pending_functions): Process
1644         cgraph_expand_queue.
1645         (cgraph_expand_all_functions): Likewise.
1646         (cgraph_finalize_pending_functions): Remove.  Update callers.
1647
1648         * tree.h (OMP_DIRECTIVE_P): Define.
1649         (OMP_PARALLEL_FN): Define.
1650         (OMP_PARALLEL_DATA_ARG): Define.
1651         (OMP_SECTIONS_SECTIONS): Define.
1652         * tree-pass.h (pass_expand_omp): Declare.
1653         * omp-low.c (struct omp_region): Declare.
1654         (struct omp_context): Remove fields 'parallel_type',
1655         'parallel_start_ix' and 'parallel_start_additional_args'.
1656         Update all users.
1657         (struct omp_for_data): Rename from struct expand_omp_for_data.
1658         (omp_regions): New static variable.
1659         (root_omp_region): New static variable.
1660         (find_omp_clause): Make static.
1661         (is_in_combined_parallel_ctx): Remove.
1662         (is_combined_parallel): New.
1663         (extract_omp_for_data): Move earlier in the file.
1664         (workshare_safe_to_combine_p): New.
1665         (get_ws_args_for): New.
1666         (determine_parallel_type): Move earlier in the file.
1667         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1668         child function.
1669         (omp_copy_decl): Likewise.
1670         (create_omp_child_function): Likewise.
1671         (lookup_omp_region): New.
1672         (dump_omp_region): New.
1673         (debug_omp_region): New.
1674         (debug_all_omp_regions): New.
1675         (new_omp_region): New.
1676         (scan_omp_parallel): If parallel_nesting_level > 1, the
1677         directive is nested within another parallel directive.
1678         Set OMP_PARALLEL_FN.
1679         (scan_omp_for): Do not try to handle combined parallel+for
1680         cases.
1681         Remove FIXME comment.
1682         (scan_omp_nested): Remove.
1683         (scan_omp_1): Do not call scan_omp_nested when
1684         parallel_nesting_level is > 1.
1685         Do not change the DECL_CONTEXT of local variables found.
1686         (lookup_decl_in_outer_ctx): New.
1687         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1688         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1689         (lower_reduction_clauses): Rename from expand_reduction_clauses.
1690         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1691         If CTX is nested, lookup VAR in the outer context when
1692         building copy assignment.
1693         (lower_send_clauses): Rename from expand_send_clauses.
1694         If CTX is nested, lookup VAR in the outer context when
1695         building copy assignments.
1696         (lower_send_shared_vars): Rename from expand_send_shared_vars.
1697         If CTX is nested, lookup VAR in the outer context when
1698         building copy assignments.
1699         (expand_parallel_call): Rename from build_parallel_call.
1700         Handle combined parallel+workshare cases.
1701         Re-implement to emit code into the CFG.
1702         (list2chain): New.
1703         (expand_omp_parallel): Re-implement to emit code into the CFG.
1704         Call move_sese_region_to_fn to outline the sub-graph
1705         containing the parallel region.
1706         (expand_omp_for_1): Remove.
1707         (expand_omp_for_generic): Re-implement to emit code into the
1708         CFG.
1709         (expand_omp_for_static_nochunk): Likewise.
1710         (expand_omp_for_static_chunk): Likewise.
1711         (expand_omp_for): Likewise.
1712         (expand_omp_sections): Likewise.
1713         (remove_exit_barriers): New.
1714         (expand_omp_synch): New.
1715         (expand_omp): New.
1716         (build_omp_regions_1): New.
1717         (build_omp_regions): New.
1718         (execute_expand_omp): New.
1719         (gate_expand_omp): New.
1720         (pass_expand_omp): Define.
1721         (lower_omp_sections): Rename from expand_omp_sections.
1722         Set OMP_SECTIONS_SECTIONS.
1723         (lower_omp_single_simple): Rename from expand_omp_single_simple.
1724         (lower_omp_single_copy): Rename from expand_omp_single_copy.
1725         (lower_omp_single): Rename from expand_omp_simple.
1726         (lower_omp_master): Rename from expand_omp_master.
1727         (lower_omp_ordered): Rename from expand_omp_ordered.
1728         (lower_omp_critical): Rename from expand_omp_critical.
1729         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1730         (lower_omp_for): Re-implement.
1731         (lower_omp_parallel): Re-implement.
1732         (lower_regimplify): Rename from expand_regimplify.
1733         (lower_omp_1): Rename from expand_omp_1.
1734         If there are syntax errors in the program, replace every
1735         OpenMP directive with NOP.
1736         Call lower_omp_* instead of expand_omp_*.
1737         (lower_omp): Rename from expand_omp.
1738
1739         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1740         * tree-gimple.h (enum omp_parallel_type): Remove.
1741         (gimple_boolify): Declare extern.
1742         (find_omp_clause, determine_parallel_type): Remove.
1743
1744         * gimple-low.c (lower_omp_directive): New.
1745         (lower_stmt): Call it.
1746         (record_vars_into): Move from ...
1747         (record_vars): ... here.
1748         Call record_vars_into with current_function_decl.
1749
1750         * gimplify.c (struct gimplify_ctx): Remove fields
1751         combined_pre_p and combined_ctxp.  Update users.
1752         (get_formal_tmp_var): Add documentation.
1753         (gimple_boolify): Make extern.
1754         (gimplify_expr_in_ctx): Remove.  Update callers.
1755         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1756         will always be a BIND_EXPR.
1757         (gimplify_expr): Handle OMP_RETURN_EXPR.
1758         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1759         (OMP_PARALLEL): Add 3 operands.
1760         (OMP_SECTIONS): Add 1 operand.
1761         (OMP_RETURN_EXPR): Define.
1762
1763         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1764         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1765         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1766         creating a circular free list.
1767         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1768
1769         * tree-flow.h (move_sese_region_to_fn): Declare.
1770         (record_vars_into): Declare.
1771         * tree-cfg.c (make_omp_sections_edges): New.
1772         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1773         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1774         OMP_SECTIONS and OMP_SECTION.
1775         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1776         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1777         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1778         (gather_blocks_in_sese_region): New.
1779         (struct move_stmt_d): Declare.
1780         (move_stmt_r): New.
1781         (move_block_to_fn): New.
1782         (move_sese_region_to_fn): New.
1783
1784         * passes.c (init_optimization_passes): Schedule
1785         pass_expand_omp after pass_init_datastructures.
1786
1787         * tree-ssa-operands.c (get_expr_operands): Handle
1788         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1789         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1790
1791 2006-01-19  Jeff Law  <law@redhat.com>
1792
1793         * tree-vrp.c (extract_range_from_assert): Refine the result range
1794         if the variable referenced by the ASSERT_EXPR has a range and
1795         either the tentative result range or the previous range is a
1796         VR_ANTI_RANGE.
1797
1798 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1799
1800         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1801
1802 2006-01-19  Jan Hubicka  <jh@suse.cz>
1803
1804         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1805
1806 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1807
1808         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1809         (expand_compound_operation, expand_field_assignment): Fail if the
1810         bit lengths of an extract operation are out of range.
1811         (make_extraction): Compute wanted_inner_mode based on the position
1812         and length of the extraction.  Make it extraction_mode for non-constant
1813         positions, and do not modify offset in that case.  When generating a
1814         new MEM, use a mode that can hold the extraction while keeping correct
1815         alignment.  Remove code that supported MEMs wrapped by USEs.
1816         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1817
1818 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1819
1820         * config/s390/s390.md ("Y", "y"): New mode attribute.
1821         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1822         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1823         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1824         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1825         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1826         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1827         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1828         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1829         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1830         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1831         "addsi3", "subsi3"): Insn patterns removed.
1832         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1833         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1834         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1835         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1836         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1837         "*sub<mode>3_cconly2"): New insn patterns.
1838         ("addsi3", "subsi3"): New expanders.
1839
1840 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1841
1842         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1843         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1844         existing STMT_VINFO_VECTYPE if available.
1845         (vect_mark_relevant): Add special handling for stmts that are
1846         marked as STMT_VINFO_IN_PATTERN_P.
1847         (vect_analyze_loop): Call vect_pattern_recog.
1848         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1849         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1850         stmt_info.
1851         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1852         (vect_recog_func_ptr): New function-pointer type.
1853         * tree-vect-patterns.c: New file.
1854         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1855         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1856         (vect_pattern_recog_1): New functions.
1857         (vect_pattern_recog_funcs): New array of function pointers.
1858
1859         * tree-vectorizer.h (ternary_op): New enum value.
1860         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1861         declaration. Revised documentation. Removed redundant dump prints.
1862         Removed redundant argument. Added support for reduction patterns.
1863         (vectorizable_reduction): Added support for reduction patterns.
1864         (vect_transform_stmt): Added support for patterns.
1865
1866         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1867         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1868         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1869         (expand_widen_pattern_expr): New function.
1870         (init_optabs): Initialize new optabs udot_prod_optab,
1871         sdot_prod_optab.
1872         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1873         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1874         (expand_widen_pattern_expr): New function declaration.
1875         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1876         tree-codes.
1877         * tree-inline.c (estimate_num_insns_1): Added cases for new
1878         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1879         * tree-pretty-print.c (dump_generic_node): Likewise.
1880         (op_prio): Likewise.
1881         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1882         * tree-ssa-operands.c (get_expr_operands): Added case for
1883         DOT_PROD_EXPR.
1884         * tree-vect-patterns.c (widened_name_p): New function.
1885         (vect_recog_dot_prod_pattern): Added function implementation.
1886         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1887         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1888         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1889         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1890
1891         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1892         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1893         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1894         (init_optabs): Initialize new optabs widen_ssum_optab,
1895         widen_usum_optab.
1896         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1897         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1898         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1899         use instead of type of def.
1900         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1901         function implementation.
1902         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1903         widen_ssumv8hi): New.
1904
1905         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1906         patterns.
1907
1908 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1909
1910         PR c/25805
1911         * c-decl.c (add_flexible_array_elts_to_size): New function.
1912         (finish_decl): Use it.
1913
1914 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1915
1916         * diagnostic.h: Include options.h.
1917         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1918         dependancies for diagnostic.h.
1919         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1920
1921 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1922
1923         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1924         (ssa_ro_call_cache_valid): Ditto.
1925         * tree-ssa-alias.c (sort_tags_by_id): New function.
1926         (init_transitive_clobber_worklist): Ditto.
1927         (add_to_worklist): Ditto.
1928         (mark_aliases_call_clobbered): Ditto.
1929         (compute_tag_properties): Ditto.
1930         (set_initial_properties): Ditto.
1931         (compute_call_clobbered): Ditto.
1932         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1933         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1934         (compute_flow_insensitive_aliasing): Grouping now happens in our
1935         caller.
1936         (setup_pointers_and_addressables): Remove clobbering related code.
1937         (add_may_alias): Ditto.
1938         (replace_may_alias): Ditto.
1939         (get_nmt_for): Ditto.
1940         (create_global_var):
1941         (is_escape_site): Return an escape_type enumeration.
1942         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1943         imply call clobbered.
1944         (mark_call_clobbered): Take a reason for marking this. Remove
1945         marking of globalness, and cache invalidation.
1946         (clear_call_clobbered): Remove cache invalidation code.
1947         * tree-dfa.c (dump_variable): If details is on, dump the reason
1948         for escaping.
1949         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1950         variable.
1951         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1952         (struct var_ann_d): Ditto.
1953         (enum escape_type): New.
1954         (mark_call_clobbered): Adjust prototype.
1955         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1956         are never call clobbered.
1957         Record reasons for escaping.
1958         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1959         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1960         (ssa_ro_call_cache_valid): Ditto.
1961         (clobbered_v_may_defs): Ditto.
1962         (clobbered_vuses): Ditto.
1963         (ro_call_vuses): Ditto.
1964         (clobber_stats): New.
1965         (init_ssa_operands): Zero out clobber stats.
1966         (fini_ssa_operands): Print out clobber stats.
1967         (get_call_expr_operands): Pass callee fndecl to
1968         add_call_read_ops).
1969         (add_call_clobber_ops): Remove use of cache.
1970         Add use of PURE_CONST information.
1971         (add_call_read_ops): Remove use of cache.
1972         Add use of static not_read information.
1973
1974 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1975
1976         Introduce TLS descriptors for i386 and x86_64.
1977         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1978         (TARGET_ANY_GNU_TLS): New macro.
1979         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1980         (struct machine_function): Add tls_descriptor_call_expanded_p.
1981         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1982         (ix86_current_function_calls_tls_descriptor): Likewise.
1983         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1984         (override_options): Introduce gnu2 tls dialect.
1985         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1986         not leaves.
1987         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1988         Likewise.
1989         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1990         (ix86_init_machine_status): Initialize new field.
1991         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1992         (ix86_tls_module_base): New.
1993         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1994         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1995         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1996         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1997         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1998         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1999         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2000         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2001         * config/i386/predicates.md (tls_modbase_operand): New.
2002         (tp_or_register_operand): New.
2003
2004 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2005
2006         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2007         (look_for_address_of): Ditto.
2008         (ipa_init): Walk the function decls.
2009         (static_execute): Don't set readonly on FUNCTION_DECL's.
2010
2011 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2012
2013         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2014         for shifts where the source and destination registers are different.
2015
2016 2006-01-18  Paul Brook  <paul@codesourcery.com>
2017
2018         Merge from csl-arm-branch.
2019         2005-03-14  Julian Brown  <julian@codesourcery.com>
2020         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2021         (aeabi_llsl): Likewise.
2022         (ashrdi3): Likewise.
2023         (aeabi_lasr): Likewise.
2024         (lshrdi3): Likewise.
2025         (aeabi_llsr): Likewise.
2026         2005-03-10  Julian Brown  <julian@codesourcery.com>
2027         * config.gcc: Disable shared libgcc for SymbianOS.
2028         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2029
2030 2006-01-18  DJ Delorie  <dj@redhat.com>
2031
2032         * c-pragma.c (handle_pragma_diagnostic): New.
2033         (init_pragma): Register it.
2034         * doc/extend.texi: Document it.
2035
2036         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2037         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2038         (diagnostic_context): Add classify_diagnostic[].
2039         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2040         as errors if they're overridden to DK_WARNING.
2041         (diagnostic_initialize): Initialize classify_diagnostic[].
2042         (diagnostic_set_kind_override): New.
2043         (diagnostic_report_diagnostic): Check for kind changes.
2044         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2045         Handle OPT_Werror_.
2046         * common.opt (Werror=): New.
2047         * doc/invoke.texi: Document -Werror=*
2048
2049 2006-01-18  Jeff Law  <law@redhat.com>
2050
2051         * tree-vrp.c (test_for_singularity): Correct test for new
2052         min limit.  Use operand_equal_p rather than pointer equality
2053         for testing if new min/max values are equal.
2054
2055         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2056         using range information until after propagation and folding.
2057
2058 2006-01-18  Richard Henderson  <rth@redhat.com>
2059             Aldy Hernandez  <aldyh@redhat.com>
2060             Jakub Jelinek  <jakub@redhat.com>
2061             Diego Novillo  <dnovillo@redhat.com>
2062
2063         * omp-low.c: New file.
2064         * c-omp.c: New file.
2065
2066 2006-01-18  Richard Henderson  <rth@redhat.com>
2067             Jakub Jelinek  <jakub@redhat.com>
2068             Diego Novillo  <dnovillo@redhat.com>
2069
2070         * doc/invoke.texi: Document -fopenmp.
2071         * tree-dump.h (debug_function): Declare.
2072         * hooks.c (hook_bool_tree_bool_false): New function.
2073         (hook_tree_tree_null): Remove.
2074         (hook_tree_tree_tree_null): New.
2075         * hooks.h: Update to match.
2076         * tree-pretty-print.c (debug_tree_chain): New.
2077         (print_generic_expr): Handle TDF_CHAIN.
2078         (dump_generic_node): Handle BLOCK.
2079         Do not abort with incomplete SWITCH_EXPRs.
2080         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2081         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2082         print space after directive name.
2083         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2084         Handle OMP_MASTER and OMP_ORDERED.
2085         Handle printing of OMP_BODY just in one place, goto
2086         dump_omp_body in the rest of OMP_* nodes that have
2087         OMP_BODY.
2088         Don't handle clause nodes here.  Update omp statements to
2089         use dump_omp_clauses.
2090         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2091         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2092         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2093         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2094         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2095         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2096         Adjust output for GOMP_PARALLEL.
2097         (dump_omp_clauses): New.
2098         (print_declaration): Dump DECL_VALUE_EXPR.
2099         (op_symbol_1): Split out of op_symbol.
2100         (dumping_stmts): Remove.  Update all users.
2101         * cgraph.c (cgraph_analyze_queue): New.
2102         (cgraph_add_new_function): New.
2103         * cgraph.h (cgraph_analyze_queue): Declare.
2104         (cgraph_add_new_function): Declare.
2105         (cgraph_lower_function): Remove.
2106         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2107         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2108         and TYPE_P nodes in its default clause.
2109         (empty_body_p): New.
2110         (tree_range_check_failed): New.
2111         (build5_stat): New.
2112         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2113         OMP_CLAUSE_REDUCTION_MERGE,
2114         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2115         OMP_CLAUSE_PRIVATE_DEBUG,
2116         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2117         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2118         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2119         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2120         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2121         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2122         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2123         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2124         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2125         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2126         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2127         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2128         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2129         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2130         (TREE_RANGE_CHECK): New.
2131         (empty_body_p): Declare.
2132         (enum omp_clause_default_kind): New.
2133         (build_string_literal): Declare.
2134         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2135         (build5_stat, build5): Declare.
2136         * tree-pass.h (TDF_CHAIN): Define.
2137         * tree-pass.h (PROP_gimple_lomp): Define.
2138         (pass_lower_omp): Declare.
2139         * diagnostic.h (debug_tree_chain): Declare.
2140         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2141         mode_for_size.
2142         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2143         * builtins.c (build_string_literal): Make extern.
2144         * gcc.c (include_spec_function): New.
2145         (static_spec_functions): Add it.
2146         (main): Move load of libgomp.spec ...
2147         (LINK_COMMAND_SPEC): ... here.
2148         (link_gomp_spec): New.
2149         (static_specs): Include it.
2150         (LINK_COMMAND_SPEC): Add link_gomp.
2151         (GOMP_SELF_SPECS): New.
2152         (driver_self_specs): Include it.
2153         (switch_matches): Don't mark inline.
2154         (main): Load libgomp.spec.
2155         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2156         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2157         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2158         * tree-gimple.h (enum omp_parallel): Declare.
2159         (determine_parallel_type): Declare.
2160         (omp_firstprivatize_variable): Declare.
2161         (omp_reduction_init): Declare.
2162         (diagnose_omp_structured_block_errors): Declare.
2163         (struct walk_stmt_info): Add want_return_expr.
2164         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2165         (find_omp_clause): Declare.
2166         (insert_field_into_struct): Declare.
2167         (struct walk_stmt_info): Move from tree-nested.c
2168         (walk_stmts): Declare.
2169         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2170         to 200505.
2171         * cgraphunit.c (cgraph_lower_function): Make static.
2172         (cgraph_finalize_pending_functions): New.
2173         (cgraph_finalize_function): Call it.
2174         (cgraph_finalize_compilation_unit): Likewise.
2175         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2176         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2177         (BT_FN_UINT_UINT): New.
2178         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2179         DEF_FUNCTION_TYPE_VAR_4): Document.
2180         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2181         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2182         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2183         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2184         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2185         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2186         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2187         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2188         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2189         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2190         into separate files.
2191         (DEF_GOMP_BUILTIN): New.
2192         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2193         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2194         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2195         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2196         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2197         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2198         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2199         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2200         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2201         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2202         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2203         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2204         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2205         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2206         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2207         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2208         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2209         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2210         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2211         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2212         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2213         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2214         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2215         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2216         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2217         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2218         * sync-builtins.def: New file, moved from builtins.def.
2219         * omp-builtins.def: New file, moved from builtins.def.
2220         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2221         * gimple-low.c (lower_function_body): Clear data.
2222         (lower_stmt): Do not handle COMPOUND_EXPR.
2223         Remove call to print_node_brief.
2224         * c-tree.h (c_finish_omp_clauses): New prototype.
2225         (C_DECL_THREADPRIVATE_P): Define.
2226         (lookup_name_no_remap, c_omp_remap_private): Remove
2227         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2228         (check_for_loop_decls): Update decl.
2229         (lookup_name_no_remap, c_omp_remap_private): Declare.
2230         (build_indirect_ref, build_modify_expr, pushdecl,
2231         pushdecl_top_level): Move to c-common.h.
2232         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2233         before the switch, but just in the 2 places that need it.
2234         * c-decl.c (diagnose_mismatched_decls): Do not check for
2235         mismatched thread-local attributes when OLDDECL is marked
2236         threadprivate and NEWDECL has no thread-local attributes.
2237         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2238         (c_gimple_diagnostics_recursively): Rename from
2239         c_warn_unused_result_recursively.  Invoke
2240         diagnose_omp_structured_block_errors.
2241         (check_for_loop_decls): Return a singular decl found.
2242         * langhooks.c (lhd_omp_predetermined_sharing): Return
2243         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2244         (lhd_omp_firstprivatize_type_sizes): New.
2245         (lhd_omp_assignment): New.
2246         (lhd_omp_predetermined_sharing): New.
2247         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2248         (struct lang_hooks_for_types): Add
2249         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2250         omp_predetermined_sharing, omp_disregard_value_expr,
2251         omp_private_debug_clause, omp_clause_default_ctor,
2252         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2253         (c_finish_omp_clauses): New.
2254         (c_finish_bc_stmt): Diagnose break within omp for.
2255         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2256         (build_unary_op): Return error_mark after reporting
2257         a readonly_error.
2258         (build_modify_expr): Likewise.
2259         * gimplify.c: Include optabs.h and pointer-set.h.
2260         (enum gimplify_omp_var_data): Declare.
2261         (struct gimplify_omp_ctx): Declare.
2262         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2263         and combined_ctxp.
2264         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2265         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2266         (splay_tree_compare_decl_uid): New.
2267         (new_omp_context): New.
2268         (delete_omp_context): New.
2269         (gimple_add_tmp_var): Call omp_add_variable.
2270         (gimplify_bind_expr): Likewise.
2271         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2272         true, disregard DECL_VALUE_EXPR on the decl if any.
2273         (gimplify_expr_in_ctx): New.
2274         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2275         omp_add_variable, omp_notice_variable, omp_is_private
2276         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2277         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2278         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2279         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2280         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2281         gimplify_omp_atomic): New.
2282         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2283         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2284         OMP_CRITICAL and OMP_ATOMIC.
2285         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2286         * c-pragma.h (enum pragma_kind): Add
2287         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2288         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2289         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2290         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2291         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2292         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2293         PRAGMA_OMP_THREADPRIVATE.
2294         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2295         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2296         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2297         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2298         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2299         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2300         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2301         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2302         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2303         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2304         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2305         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2306         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2307         OpenMP directives.
2308         (struct nesting_info): Add field_map,
2309         suppress_expansion, debug_var_chain.
2310         (create_nesting_tree): Initialize them.
2311         (lookup_field_for_decl): Use field_map.
2312         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2313         (convert_local_omp_clauses): New.
2314         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2315         (walk_body): Split out of walk_function.
2316         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2317         (convert_nonlocal_reference): Handle omp statements.
2318         (convert_local_reference): Likewise.
2319         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2320         (unnest_nesting_tree): New.
2321         (lower_nested_functions): Call it.
2322         (insert_field_into_struct): Make extern.
2323         (struct walk_stmt_info): Move to tree-gimple.h.
2324         (walk_stmts): Make extern.
2325         * omp-builtins.def: New file.
2326         * tree-iterator.c (expr_only): Clarify comment.
2327         * c-common.h (pushdecl_top_level, pushdecl,
2328         build_modify_expr, build_indirect_ref,
2329         c_finish_omp_master, c_finish_omp_critical,
2330         c_finish_omp_ordered, c_finish_omp_barrier,
2331         c_finish_omp_atomic, c_finish_omp_flush,
2332         c_finish_omp_for, c_split_parallel_clauses,
2333         omp_clause_default_kind, c_omp_sharing_predetermined,
2334         c_omp_remap_decl): Declare.
2335         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2336         (OBJS-common): Add omp-low.o.
2337         (c-omp.o, omp-low.o): Add.
2338         (gimplify.o): Add dependency on $(OPTABS_H).
2339         (GTFILES): Add omp-low.c.
2340         (gt-stringpool.h): Add.
2341         * tree-cfg.c (set_bb_for_stmt): Do not update the
2342         block-to-labels map if we are currently expanding to RTL.
2343         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2344         checks.
2345         Handle IDENTIFIER_NODE.
2346         (tree_verify_flow_info): Do not ICE when emitting error
2347         messages about invalid labels.
2348         (dump_function_to_file): Reset CFUN before emitting the body
2349         of the function.
2350         (debug_function): New.
2351         * passes.c (init_optimization_passes): Schedule
2352         pass_lower_omp.
2353         * langhooks-def.h (lhd_omp_predetermined_sharing,
2354         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2355         Declare.
2356         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2357         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2358         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2359         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2360         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2361         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2362         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2363         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2364         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2365         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2366         (LANG_HOOK_DECLS): Use them.
2367
2368 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2369             Richard Henderson  <rth@redhat.com>
2370             Jakub Jelinek  <jakub@redhat.com>
2371             Diego Novillo  <dnovillo@redhat.com>
2372
2373         * c-parser.c (pragma_omp_clause): Define.
2374         (c_parser_declaration_or_fndef): Document OpenMP syntax.
2375         (c_parser_compound_statement): Likewise.
2376         (c_parser_statement): Likewise.
2377         (c_parser_pragma): Handle omp pragmas.
2378         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2379         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2380         (c_parser_omp_clause_name, check_no_duplicate_clause,
2381         c_parser_omp_variable_list,
2382         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2383         c_parser_omp_clause_copyprivate,
2384         c_parser_omp_clause_default,
2385         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2386         c_parser_omp_clause_lastprivate,
2387         c_parser_omp_clause_nowait,
2388         c_parser_omp_clause_num_threads,
2389         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2390         c_parser_omp_clause_reduction,
2391         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2392         c_parser_omp_all_clauses, c_parser_omp_structured_block,
2393         c_parser_omp_atomic, c_parser_omp_barrier,
2394         c_parser_omp_critical, c_parser_omp_flush,
2395         c_parser_omp_for_loop, c_parser_omp_for,
2396         c_parser_omp_master, c_parser_omp_ordered,
2397         c_parser_omp_sections_scope, c_parser_omp_sections,
2398         c_parser_omp_parallel, c_parser_omp_single,
2399         c_parser_omp_construct, c_parser_omp_threadprivate): New.
2400         * c-pragma.c (init_pragma): Do omp pragma registration here.
2401         * c.opt (fopenmp): New flag.
2402
2403 2006-01-18  Eric Christopher  <echristo@apple.com>
2404
2405         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2406         * config/darwin.h (GOMP_SELF_SPECS): Define.
2407
2408 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2409
2410         * rtl.h: Remove the prototype for reg_alloc.
2411
2412 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2413
2414         PR target/25731
2415         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2416         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2417         sjlj and dwarf2 exception handling.
2418         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2419         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2420         * pa/pa.c (function_value): Treat complex and vector types as
2421         aggregates.
2422         (function_arg): Likewise.  Only pass scalar floats in the floating
2423         point argument registers.
2424         * pa/t-slibgcc-dwarf-ver: New file.
2425         * pa/t-slibgcc-sjlj-ver: New file.
2426         * pa/t-slibgcc-elf-ver: Delete file.
2427
2428 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
2429
2430         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2431         unlikely_test_section_p test.
2432
2433 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2434
2435         * mode-switching.c (optimize_mode_switching): Make it static.
2436         * basic-block.h: Remove the prototype for
2437         optimize_mode_switching.
2438
2439         * modulo-sched.c (sms_schedule): Make it static.
2440         * rtl.h: Remove the prototype for sms_schedule.
2441
2442         * postreload-gcse.c (gcse_after_reload_main): Make it static.
2443         * rtl.h: Remove the prototype for gcse_after_reload_main.
2444
2445         * reg-stack.c (reg_to_stack): Make it static.
2446         * rtl.h: Remove the prototype for reg_to_stack.
2447
2448         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2449         Make them static.
2450         * rtl.h: Remove the prototypes for regrename_optimize and
2451         copyprop_hardreg_forward.
2452
2453 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2454
2455         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2456         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
2457         Test against the appropriate null constant for the mode.
2458         If 'fixup_overlap' is true, swap the operands if they overlap.
2459         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2460         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2461         alpha_split_tmode_pair and adjust for above change.
2462         * config/alpha/alpha.md (movtf_internal): Adjust call to
2463         alpha_split_tfmode_pair and rely on it to swap the operands.
2464         (movti_internal): New insn and post-reload splitter.
2465         (movti): New expander.
2466
2467 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
2468
2469         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2470         operands.
2471
2472 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2473
2474         * rtlanal.c (global_reg_mentioned_p_1,
2475         global_reg_mentioned_p): Remove.
2476         * rtl.h: Remove the prototype for global_reg_mentioned_p.
2477
2478         * flow.c (initialize_uninitialized_subregs): Make it static.
2479         * rtl.h: Remove the prototype for
2480         initialize_uninitialized_subregs.
2481
2482         * function.c (instantiate_virtual_regs): Make it static.
2483         * function.h: Remove the prototype for
2484         instantiate_virtual_regs.
2485
2486         * regmove.c (regmove_optimize, combine_stack_adjustments):
2487         Make them static.
2488         * rtl.h: Remove the prototypes for regmove_optimize and
2489         combine_stack_adjustments.
2490
2491 2006-01-17  Roger Sayle  <roger@eyesopen.com>
2492
2493         * config/i386/i386.c (COSTS_N_BYTES): New macro.
2494         (size_cost): Encode costs in bytes so that a reg-reg addition is
2495         equivalent to COSTS_N_INSNS(1).
2496         (override_options): Use the size_cost.branch_cost as the default
2497         ix86_branch_cost when optimizing for size.
2498
2499 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2500
2501         * Makefile.in (D32PBIT_FUNCS): New.
2502         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2503         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2504         D64PBIT_FUNCS and D128PBIT_FUNCS.
2505         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2506         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2507         D128PBIT are set.
2508         (decnumber_dep): Define.
2509         * doc/libgcc.texi (Decimal float library routines): New node.
2510         * config/dfp-bit.h, config/dfp-bit.c: New files.
2511
2512 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2513
2514         * expr.c (emit_move_change_mode): Always adjust addresses, not
2515         just during reload.  Copy replacements only during reload.
2516         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2517         emit_move_via_integer.
2518
2519 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
2520
2521         * Makefile.in (check-%, check-consistency): Use $${srcdir}
2522         instead of $(srcdir) and ${srcdir}.
2523
2524 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
2525
2526         PR target/592
2527         PR middle-end/11135
2528         * arm.h (struct machine_function): Add pic_reg.
2529         * arm.c (arm_pic_register): Make unsigned.
2530         (arm_override_options): Only set arm_pic_register if
2531         TARGET_SINGLE_PIC_BASE.
2532         (use_return_insn): Only test for a pic register if it is fixed.
2533         (arm_compute_save_reg0_reg12_mask): Likewise.
2534         (thumb_compute_save_reg_mask): Likewise.
2535         (legitimate_pic_operand): Factor out some known invariants.
2536         (legitimize_pic_address): If we don't have a fixed pic register,
2537         then set up a pseudo in the function entry sequence.  Handle the
2538         pic base being in a pseudo.
2539         (arm_load_pic_register): Handle the pic register being in a pseudo.
2540         (arm_expand_prologue): Only set up the pic register if it is fixed.
2541         (thumb_expand_prologue): Likewise.
2542         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2543         (pic_load_addr_based_insn): Likewise.
2544         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2545         fixed.
2546
2547 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2548
2549         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2550         decimal float modes for all floating point registers.
2551
2552         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2553         match_code "mem" with match_test "macho_lo_sum_memory_operand".
2554
2555 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
2556
2557         PR c/25682
2558         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2559         even when the pointer is not NULL.
2560
2561 2006-01-16  Ian Lance Taylor  <ian@airs.com>
2562
2563         * common.opt (ftoplevel-reorder): New option.
2564         * cgraph.c (cgraph_asm_nodes): New global variable.
2565         (cgraph_asm_last_node): New static variable.
2566         (cgraph_order): New global variable.
2567         (cgraph_create_node): Set new order field.
2568         (cgraph_varpool_node): Likewise.
2569         (decide_is_variable_needed): Return true if not
2570         flag_toplevel_reorder.
2571         (cgraph_add_asm_node): New function.
2572         * cgraph.h (struct cgraph_node): Add order field.
2573         (struct cgraph_varpool_node): Add order field.
2574         (struct cgraph_asm_node): Define.
2575         (cgraph_asm_nodes, cgraph_order): Declare.
2576         (cgraph_add_asm_node): Declare.
2577         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2578         function.
2579         (cgraph_varpool_assemble_pending_decls): Call it.
2580         (cgraph_output_pending_asms): New static function.
2581         (cgraph_finalize_compilation_unit): Call it.
2582         (struct cgraph_order_sort): Define.
2583         (cgraph_output_in_order): New static function.
2584         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
2585         !flag_toplevel_reorder case.
2586         * c-parser.c: Include "cgraph.h".
2587         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2588         assemble_asm.
2589         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2590         than -fno-unit-at-a-time.
2591         * doc/invoke.texi (Option Summary): Mention
2592         -fno-toplevel-reorder.
2593         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
2594         -funit-at-a-time documentation.
2595
2596 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
2597             Kazu Hirata  <kazu@codesourcery.com>
2598
2599         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2600
2601 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
2602
2603         * Makefile.in (FUNCTION_H): New.  Use it instead of
2604         function.h throughout the file.
2605         * function.h: Include tree.h.
2606
2607 2006-01-17  Ben Elliston  <bje@au.ibm.com>
2608
2609         * recog.c: Separate some functions with whitespace.
2610
2611 2006-01-16  Richard Henderson  <rth@redhat.com>
2612
2613         Merge from gomp branch:
2614         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
2615         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2616         and rename from struct inline_data.  Rename callee* to dst*;
2617         caller* to src*; add copy_decl hook, transform_call_graph_edges,
2618         transform_new_cfg, transform_return_to_modify, and
2619         transform_lang_insert_block flags; remove cloning_p, versioning_p,
2620         update_clones_p.
2621         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2622         (copy_decl_for_dup): Remove.
2623         * tree-inline.c (struct inline_data): Move to header.
2624         (insert_decl_map): Export.
2625         (remap_decl): Update for member name changes.  Use copy_decl hook.
2626         Allow for replacement to be a non-decl.  Remove dead code.
2627         (remap_type_1): Check for existing mapping.
2628         (remap_type): Export.
2629         (remap_decls): Update for member name changes.
2630         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2631         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2632         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2633         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2634         (tree_function_versioning, build_duplicate_type): Likewise.
2635         (copy_body_r): Likewise.  Export.
2636         (copy_decl_for_dup): Split into ...
2637         (copy_decl_for_dup_finish, copy_decl_to_var,
2638         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2639         (replace_ref_tree, inlining_p): Remove.
2640
2641 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2642
2643         * ifcvt.c (if_convert): Make it static.
2644         * rtl.h: Remove the prototype for if_convert.
2645
2646         * local-alloc.c (local_alloc): Make it static.
2647         * rtl.h: Remove the prototype for local_alloc.
2648
2649         * loop.c (loop_optimize): Make it static.
2650         * cfgloop.h: Remove the prototype for loop_optimize.
2651         * rtl.h: Likewise.
2652
2653 2006-01-16  DJ Delorie  <dj@redhat.com>
2654
2655         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2656         mems.
2657
2658 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2659
2660         * pa.md: Disparage copies between general and floating-point registers
2661         in 32-bit move patterns.
2662
2663 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
2664
2665         PR testsuite/25741
2666         * Makefile.in (check-%): Depend on site.exp instead of
2667         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2668         directories.
2669
2670 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2671
2672         * global.c (global_alloc): Make it static.
2673         * rtl.h: Remove the prototype for global_alloc.
2674
2675 2006-01-16  Richard Guenther  <rguenther@suse.de>
2676
2677         * tree-ssa-alias.c (struct used_part): Add write_only field.
2678         (get_or_create_used_part_for): Initialize it to true.
2679         (create_overlap_variables_for): Don't create structure variables
2680         for structures that only are written to.
2681         (find_used_portions): Handle MODIFY_EXPR to track whether a
2682         structure is only written to.
2683
2684 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2685
2686         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2687         static.
2688         * basic-block.h: Remove the prototype for
2689         partition_hot_cold_basic_blocks.
2690
2691 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
2692
2693         * cppspec.c (lang_specific_spec_functions): Remove.
2694         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2695         * gcc.h (lang_specific_spec_functions): Remove.
2696         * gccspec.c (lang_specific_spec_functions): Remove.
2697
2698 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
2699
2700         * combine.c (record_value_for_reg): Invalidate registers
2701         if INSN is null.
2702         (record_dead_and_set_regs_1): Likewise, by passing them to
2703         record_value_for_reg.
2704         (record_dead_and_set_regs): Invalidate stores made by a
2705         call.  We do not combine across a call, but we still
2706         relied on equivalences.
2707
2708 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2709
2710         * tree-vrp.c (extract_range_from_binary_expr): Cope with
2711         vrp_int_const_binop returning non-constant nodes.
2712
2713 2006-01-16  Paul Brook  <paul@codesourcery.com>
2714
2715         * config/m68k/m68k.c (output_move_const_into_data_reg):
2716         Output correct mnemonic for mvz and mvs.
2717
2718 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
2719
2720         * rtl-factoring.c: Add sequence abstraction algorithm.
2721         * cfgcleanup.c (outgoing_edges_match): Extra checks.
2722         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2723         ABNORMAL edges.
2724         (block_has_preserve_label): New function.
2725         * common.opt: Register new pass.
2726         * Makefile.in: Ditto.
2727         * passes.c: Ditto.
2728         * timevar.def: Ditto.
2729         * tree-pass.h: Ditto.
2730         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2731         * rtl.h (make_jump_insn_raw): Add forward decl.
2732         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2733
2734 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2735             Roger Sayle  <roger@eyesopen.com>
2736
2737         * fold-const.c (fold_minmax): New static function.
2738         (fold_binary) <MIN_EXPR>: Call it.
2739         <MAX_EXPR>: Likewise.
2740         * stor-layout.c (place_field): Use DECL_SIZE consistently
2741         in the computation of the new record size.
2742
2743 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2744
2745         * cse.c (cse_condition_code_reg): Make it static.
2746         * rtl.h: Remove the prototype for cse_condition_code_reg.
2747
2748         * combine.c (combine_instructions): Make it static.
2749         * rtl.h: Remove the prototype for combine_instructions.
2750
2751 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2752
2753         PR target/25168
2754         * tree.c (get_file_function_name_long): Concatenate the first global
2755         object name with a string derived from the input filename of the object
2756         for type "F".
2757
2758 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2759
2760         * config/i386/winnt-stubs.c: Update FSF address.
2761         * config/xtensa/ieee754-df.S: Ditto.
2762         * config/xtensa/ieee754-sf.S: Ditto.
2763
2764 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2765
2766         * ifcvt.c (noce_init_if_info): New static function, broken out of
2767         noce_process_if_block.
2768         (noce_process_if_block): Call noce_init_if_info.
2769         (check_cond_move_block): New static function.
2770         (cond_move_process_if_block): New static function.
2771         (process_if_block): Call cond_move_process_if_block.
2772
2773 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2774
2775         * cselib.c (hash_table): Rename to cselib_hash_table.
2776         (cselib_clear_table, discard_useless_values,
2777         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2778         cselib_init, cselib_finish): Adjust uses of hash_table.
2779
2780 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2781
2782         PR tree-optimization/25485
2783         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2784         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2785         is known to be false and true, respectively.
2786
2787 2006-01-14  Richard Guenther  <rguenther@suse.de>
2788
2789         PR tree-optimization/22548
2790         PR tree-optimization/22555
2791         PR tree-optimization/22501
2792         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2793         * params.def (salias-max-array-elements): New parameter.
2794         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2795         * doc/invoke.texi (salias-max-array-elements): Document.
2796         * tree-flow-inline.h (var_can_have_subvars): We also handle
2797         arrays now.
2798         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2799         COMPONENT_REF.
2800         * tree-ssa-structalias.c (params.h): Include.
2801         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2802         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2803         (get_constraint_for): For ADDR_EXPR operating on something
2804         containing an ARRAY_REF, add all subvars to the solution.
2805         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2806         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2807         for creating MUST_DEFs.
2808         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2809
2810 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2811
2812         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2813         functions.
2814         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2815         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2816         number_of_iterations_le): New functions.
2817         (number_of_iterations_special): Removed.
2818         (number_of_iterations_exit): Do not use number_of_iterations_special.
2819         * tree.c (unsigned_type_for): Always return integer type.
2820
2821 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2822         Richard Guenther  <rguenther@suse.de>
2823
2824         PR rtl-optimization/24257
2825         * gcse.c (find_moveable_store): Only consider a store movable
2826         when the SET_SRC of the insn can be assigned to a register.
2827
2828 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2829
2830         * tree.c (tree_not_class_check_failed): New function.
2831         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2832         (tree_not_class_check_failed): Declare.
2833
2834 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2835
2836         * reload1.c (do_output_reload): Add assertion rejecting a
2837         CALL_INSN.
2838
2839 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2840
2841         * combine.c (struct reg_stat): Add new fields truncation_label and
2842         truncated_to_mode.
2843         (record_value_for_reg): Reset truncated_to_mode.
2844         (record_truncated_value): New function.
2845         (check_promoted_subreg): Call it.  Rename to check_conversions.
2846         (combine_instructions): Rename check_promoted_subreg to
2847         check_conversions.
2848         (reg_truncated_to_mode): New function.
2849         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2850         (gen_lowpart_or_truncate): New function.
2851         (force_to_mode): Use it instead of gen_lowpart.
2852
2853 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2854
2855         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2856         VAR is a tag, not its type tag.
2857
2858 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2859
2860         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2861         alternatives to match style of other entries.
2862         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2863
2864 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2865
2866         PR tree-optimization/25771
2867         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2868         SSA_NAMES.
2869
2870 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2871
2872         PR tree-opt/24365
2873         * tree-inline.c (declare_return_variable): If the return variable
2874         was marked as a non gimple complex, set the return slot variable
2875         to be a non gimple comple variable.
2876
2877 2006-01-13  Richard Guenther  <rguenther@suse.de>
2878
2879         * builtins.c (expand_builtin_sincos): New function.
2880         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2881         do not set errno.
2882         (expand_builtin): Expand sincos using expand_builtin_sincos.
2883
2884 2006-01-12  DJ Delorie  <dj@redhat.com>
2885
2886         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2887         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2888         so that constant shifts can be split.
2889         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2890         (m32c_valid_pointer_mode): Make static.
2891         (shift_gen_func_for): New.
2892         (m32c_prepare_shift): Use it.  Split large const shifts into
2893         multiple shifts.
2894         * config/m32c/predicates.md (shiftcount_operand): Allow more
2895         general operands.
2896         (longshiftcount_operand): New.
2897         * doc/md.texi (Machine Constraints): Document In6.
2898
2899 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2900
2901         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2902         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2903         documentation.
2904
2905 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2906
2907         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2908         to try to avoid clobbering pieces of structures when we know
2909         something about the whole structure.
2910         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2911
2912 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2913
2914         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2915         return in memory, as this is no limitation is no longer present.
2916
2917 2006-01-12  DJ Delorie  <dj@redhat.com>
2918
2919         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2920         mova with fb, and for fb+0 -> An.
2921
2922         * config/m32c/mov.md (peephole2): Fix enabling logic.
2923
2924         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2925         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2926         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2927         FINI_ARRAY_SECTION_ASM_OP): Define.
2928
2929         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2930         variable.
2931         (m32c_legitimize_reload_address): New logic to reload FB to An.
2932         (m32c_output_reg_push): Add newline.
2933         (m32c_output_reg_pop): Likewise.
2934
2935 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2936
2937         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2938
2939 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2940
2941         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2942
2943 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2944
2945         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2946         match_code.
2947
2948 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2949
2950         * rtlanal.c (find_reg_note): Assert insn is not null.
2951
2952 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2953
2954         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2955         ifdef.
2956
2957 2006-01-11  Jeff Law  <law@redhat.com>
2958
2959         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2960         hold edge pairs.
2961         (mark_threaded_blocks, register_jump_thread): New functions.
2962         (thread_through_all_blocks): Remove unwanted argument.  No
2963         longer rely on e->aux to communicate thread target info.
2964         Call mark_threaded_blocks.  Release the threaded_blocks
2965         bitmap and threaded_edges vector when complete.
2966         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2967         (threaded_blocks): Remove.
2968         (tree_ssa_dominator_optimize): Remove initialization and
2969         finalization of threaded_blocks.  Simplify call to
2970         thread_through_all_blocks.
2971         (thread_across_edge): Call register_jump_thread rather than
2972         storing thread information into e->aux.
2973         (free_all_edge_infos): Simplify now that e->aux is no longer
2974         used to communicate with thread_through_all_blocks.
2975         * tree-flow.h (thread_through_all_blocks): Update prototype.
2976         (register_jump_thread): Prototype.
2977
2978 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2979
2980         * df-core.c (df_compact_blocks, df_bb_replace): Use
2981         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2982
2983 2006-01-11  Richard Guenther  <rguenther@suse.de>
2984
2985         PR tree-optimization/25734
2986         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2987         stop propagation after successful propagation to the LHS.
2988
2989 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2990
2991         * basic-block.h (control_flow_graph): Change the type of
2992         x_basic_block_info to VEC(basic_block,gc) *.
2993         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2994         basic_block_info.
2995         (SET_BASIC_BLOCK): New.
2996         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2997         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2998         * cfgbuild.c (find_basic_blocks): Likewise.
2999         * cfglayout.c (fixup_reorder_chain): Likewise.
3000         * cfgrtl.c (create_basic_block_structure,
3001         rtl_create_basic_block): Likewise.
3002         * ifcvt.c (find_if_case_1): Likewise.
3003         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3004         Likewise.
3005
3006 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3007
3008         * Makefile.in: Removed rotted odf.c entry.
3009
3010 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
3011
3012         PR target/25706
3013         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3014         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3015         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3016         output pattern modifier, not %e.
3017         * config/cris/cris.c (cris_op_str): Update comment about pattern
3018         modifier.
3019         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3020         before falling through into...
3021         <case 'E'>: Redefined from old 'e' case.
3022
3023 2006-01-11  Jan Hubicka  <jh@suse.cz>
3024
3025         PR target/25042
3026         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3027
3028 2006-01-11  Jan Hubicka  <jh@suse.cz>
3029
3030         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3031         * i386.c (x86_decompose_lea): Kill.
3032         (ix86_rtx_costs): Kill.
3033
3034 2006-01-11  Jan Hubicka  <jh@suse.cz>
3035
3036         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3037         * cgraph.h (cgraph_node): Add inline_decl.
3038         (cgraph_insert_node_to_hashtable): Declare.
3039         (save_inline_function_body): Declare.
3040         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3041         clones.
3042         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3043         (cgraph_function_versioning): Update call of tree_function_versioning.
3044         (save_inline_function_body): New function.
3045         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3046         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3047         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3048         (cgraph_default_inline_p): Likewise.
3049         (cgraph_decide_inlining_incrementally): Likewise.
3050         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3051         (copy_bb): Kill saving; do updating of clones.
3052         (copy_cfg_body): Kill saving.
3053         (initialize_inlined-parameters): Likewise.
3054         (expand_call_inline): Likewise.
3055         (save_body): Kill.
3056         (tree_function_versioning): New parameter "update_clones".
3057         (inlining_p): Kill saving.
3058         * tree-inline.h (tree_function_versioning): Update prototype.
3059         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3060         saving.
3061
3062 2006-01-11  Ian Lance Taylor <ian@airs.com>
3063
3064         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
3065         Allow undoing set of machine mode.
3066         (do_SUBST): Use enums instead of is_int.
3067         (do_SUBST_MODE): New function.
3068         (SUBST_MODE): New macro.
3069         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3070         reg and trying to replace reg_regno_rtx with a new register.
3071         (undo_all): Use new enums, handle undoing a PUT_MODE change.
3072         (simplify_set): Use SUBST_MODE.
3073         (distribute_notes): Remove code that tried to update reg notes
3074         for regno_reg_rtx changes.
3075
3076 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
3077
3078         PR tree-optimization/23109
3079         PR tree-optimization/23948
3080         PR tree-optimization/24123
3081
3082         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3083         * tree-cfg.c (single_noncomplex_succ): New.
3084         * tree-flow.h (single_noncomplex_succ): Declare it.
3085         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3086         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3087         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3088         insert_bb, register_division_in, insert_reciprocals,
3089         replace_reciprocal, free_bb): New.
3090         (execute_cse_reciprocals_1): Rewritten.
3091         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3092         Do not commit any edge insertion.  Always compute dominators and
3093         create the allocation pool.
3094         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3095         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3096         * targhooks.c (default_min_divistions_for_recip_mul): New.
3097         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3098         * passes.c (init_optimization_passes): Run recip after tree loop
3099         optimizations.
3100         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3101
3102 2006-01-11  Danny Berlin <dberlin@dberlin.org>
3103             Kenneth Zadeck <zadeck@naturalbridge.com>
3104
3105         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3106         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3107         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3108         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3109         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3110         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3111         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3112         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3113         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3114         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3115         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3116         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3117         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3118         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3119         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3120         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3121         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3122         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3123         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3124         DF_SCAN_POST_ALLOC): New macros.
3125         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3126         df_free_bb_function, df_local_compute_function, df_init_function,
3127         df_dataflow_function, df_confluence_function_0,
3128         df_confluence_function_n, df_transfer_function,
3129         df_finalizer_function, df_free_function, df_dump_problem_function,
3130         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3131         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3132         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3133         df_urec_bb_info, ) New types.
3134         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3135         variables.
3136         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3137         df_analyze_simple_change_some_blocks,
3138         df_analyze_simple_change_one_block, df_compact_blocks,
3139         df_bb_replace, df_bb_regno_last_use_find,
3140         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3141         df_insn_regno_def_p, df_find_def, df_find_use,
3142         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3143         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3144         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3145         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3146         debug_df_chain, df_get_dependent_problem, df_chain_create,
3147         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3148         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3149         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3150         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3151         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3152         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3153         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3154         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3155         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3156         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3157         df_reorganize_refs, df_set_state, df_hard_reg_init,
3158         df_read_modify_subreg_p) New public functions.
3159         * df-core.c: The core dataflow solver and glue routines for rtl
3160         dataflow.
3161         (df_init, df_add_problem, df_set_blocks, df_finish,
3162         df_hybrid_search_forward, df_hybrid_search_backward,
3163         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3164         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3165         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3166         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3167         df_reg_defined, df_find_use, df_reg_used, df_dump,
3168         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3169         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3170         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3171         debug_df_useno, reset_df_after_reload): New functions.
3172         * df-scan.c: The scanning fuctions, once in df.c, completely
3173         rewritten so that they now fully model the functionality of
3174         register usage at the backend.
3175         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3176         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3177         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3178         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3179         df_get_artificial_defs, df_get_artificial_uses,
3180         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3181         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3182         df_refs_delete, df_reorganize_refs, df_set_state,
3183         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3184         df_def_record_1, df_defs_record, df_uses_record,
3185         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3186         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3187         df_record_exit_block_uses, df_hard_reg_init): New functions.
3188
3189         * df-problems.c: Seven concrete dataflow problems that use the
3190         scanning in df-scan.c and are solved by the engine in df-core.c.
3191         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3192         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3193         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3194         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3195         df_ru_free_bb_info, df_ru_alloc,
3196         df_ru_bb_local_compute_process_def,
3197         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3198         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3199         df_ru_transfer_function, df_ru_free, df_ru_dump,
3200         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3201         df_rd_free_bb_info, df_rd_alloc,
3202         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3203         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3204         df_rd_transfer_function, df_rd_free, df_rd_dump,
3205         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3206         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3207         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3208         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3209         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3210         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3211         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3212         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3213         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3214         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3215         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3216         df_urec_mark_reg_use_for_earlyclobber,
3217         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3218         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3219         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3220         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3221         df_chain_create_bb_process_use, df_chain_create_bb,
3222         df_chain_finalize, df_chain_free, df_chains_dump,
3223         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3224         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3225         df_reg_lifetime): New functions.
3226         * df.c: Deleted file.
3227         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3228         consistent with new df api.
3229         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3230         rest_of_handle_sms): Ditto.
3231         * web.c (unionfind_union, union_defs, entry_register, web_main):
3232         Ditto.
3233         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3234         invariant_expr_equal_p, find_defs, check_dependencies,
3235         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3236         free_inv_motion_data, move_loop_invariants): Ditto.
3237         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3238         Update dependencies.
3239         (odf.c): Added defective entry that was deleted later in day.
3240         * sched-deps.c (sched_analyze_1): Ditto.
3241
3242 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3243
3244         * tree-ssa-operands.c (get_expr_operands): Record addressable
3245         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3246         and ARRAY_DECLs.
3247         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3248         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3249
3250 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3251
3252         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3253         function returns true in the positive case.
3254
3255 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3256
3257         PR target/20754
3258         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3259         for SI, DI, SF and DF modes.  Add alternatives to copy between
3260         general and floating point registers to the 32-bit patterns.
3261         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3262         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3263         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3264         generating 64-bit code.
3265         * config/pa/pa.c (output_move_double): Handle copies between general
3266         and floating registers.
3267
3268 2006-01-10  Stuart Hastings  <stuart@apple.com>
3269
3270         * config/i386/i386.md (set_got): Update.
3271         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3272         (builtin_setjmp_receiver): Mach-O support.
3273         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3274         (GOT_SYMBOL_NAME): Define.
3275         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3276         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3277         * config/i386/i386.c (override_options): Revise for Darwin.
3278         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3279         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3280         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3281         * config/i386/i386-protos.h (output_set_got): Likewise.
3282         * config/darwin.c (machopic_legitimize_pic_address): Update
3283         regs_ever_live[].
3284
3285 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3286
3287         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3288         when MODE isn't BLKmode.
3289
3290 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3291
3292         PR rtl-optimization/25367
3293         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3294
3295 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3296
3297         PR target/25718
3298         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3299         for a negative bound.
3300
3301 2006-01-10  Richard Guenther  <rguenther@suse.de>
3302
3303         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3304         Never override with anything constraint.
3305
3306 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3307
3308         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3309         256 bits when optimize_size.
3310
3311 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3312
3313         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3314         MASK_ALIGN_DOUBLE.
3315         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3316         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3317         arguments.
3318
3319 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3320
3321         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3322         float modes.
3323         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3324         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3325         (USE_FP_FOR_ARG): Reject decimal float modes.
3326         (function_arg_advance): Likewise.
3327         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3328         (rs6000_handle_altivec_attribute): Do not permit decimal floating
3329         point types in AltiVec vectors.
3330         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3331         (rs6000_libcall_value): Likewise.
3332
3333 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
3334
3335         * config/xtensa/ieee754-df.S: New file.
3336         * config/xtensa/ieee754-sf.S: New file.
3337         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3338         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3339         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3340
3341 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
3342
3343         * config/sh/predicates.md (binary_float_operator,
3344         binary_logical_operator, commutative_float_operator,
3345         equality_comparison_operator, greater_comparison_operator,
3346         less_comparison_operator, logical_operator,
3347         noncommutative_float_operator, shift_operator,
3348         symbol_ref_operand, unary_float_operator): Remove redundant
3349         conditionals.
3350
3351 2006-01-09  Jeff Law  <law@redhat.com>
3352
3353         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3354         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
3355         now unused arguments.  Callers updated.
3356         (eliminate_redundant_computations): Remove now unused arguments,
3357         callers updated.
3358         (local_fold): Remove, no longer used.
3359         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3360         and moved to...
3361         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3362         (simplify_cond): New function.
3363         (forward_propagate_into_cond): Call simplify_cond.
3364
3365 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
3366
3367         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3368         (*vec_extractv2di_1_sse): New.
3369
3370 2006-01-09  Ben Elliston  <bje@au.ibm.com>
3371
3372         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3373
3374 2006-01-08  Richard Guenther  <rguenther@suse.de>
3375
3376         * tree-ssa-structalias.c (get_constraint_for): Remove
3377         anyoffset argument.
3378         (get_constraint_for_component_ref): Likewise.
3379         (do_deref): Likewise.
3380         (get_constraint_for): Likewise.
3381         (do_structure_copy): Likewise.
3382         (handle_ptr_arith): Likewise.
3383         (find_func_aliases): Likewise.  Remove unused need_anyoffset
3384         variable.
3385
3386 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
3387             Kaz Kojima  <kkojima@gcc.gnu.org>
3388
3389         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3390         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3391         (EXTRA_CONSTRAINT_C16): Remove.
3392         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3393         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3394         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3395         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3396         constants of SHmedia.  Handle nested constant expressions of
3397         SHmedia correctly.
3398         (andcosts): Fix the costs for SHmedia constants.
3399         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3400         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3401         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3402         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3403         (movv4hi_i, movv2si_i): Likewise.
3404         (movsi_const): Adjust the second operand of ior so to match with
3405         the Csu constraint.
3406         (movdi_const, movdi_const_32bit): Likewise.
3407         (movdi_const_16bit+1): Don't sign-extend LOW.
3408         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
3409         step.
3410         (*double_shori): Fix the split condition.  Use GEN_INT instead
3411         of get_int_mode calls.  Mask lower 16-bit of the argument of
3412         the last GEN_INT.
3413         (sym2GOTPLT): Remove.
3414         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3415         gen_rtx_UNSPEC.
3416         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3417         instead of EXTRA_CONSTRAINT_C16.
3418
3419 2006-01-07  Ian Lance Taylor  <ian@airs.com>
3420             David Edelsohn  <edelsohn@gnu.org>
3421
3422         PR rtl-optimization/25662
3423         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3424         for constant operands instead of simplify_gen_binary.
3425         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3426         after trying simplify_binary_operation
3427
3428 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
3429
3430         * tree.c (iterative_hash_expr): Hash decls based on UID.
3431
3432 2006-01-06  Eric Christopher  <echristo@apple.com>
3433
3434         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3435         (TARGET_UNWIND_EMIT): Fix spelling.
3436         * target.h (gcc_target): Add except_table_label.
3437         * except.c (output_function_exception_table): Use.
3438         * varasm.c (default_emit_except_table_label): New.
3439         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3440         define.
3441         (asm_out): Add here.
3442         * output.h (default_emit_except_table_label): Prototype.
3443         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3444         * config/darwin.c (darwin_emit_except_table_label): Define.
3445         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3446
3447 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
3448
3449         PR tree-optimization/18527
3450         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3451         number_of_iterations_special, number_of_iterations_exit):
3452         Move base and step of an iv to a single structure.  Add
3453         no_overflow flag, and use it in # of iterations analysis.
3454         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3455         folded_casts argument.
3456         (simple_iv): Pass base and step in a structure.  Set no_overflow
3457         flag.
3458         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3459         Evaluate expensiveness of computing # of iterations instead of
3460         the final expression.
3461         * tree-scalar-evolution.h (affine_iv): New structure.
3462         (simple_iv): Declaration changed.
3463         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3464         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3465         find_givs_in_stmt): Changed due to simple_iv change.
3466
3467 2006-01-06  Jeff Law  <law@redhat.com>
3468
3469         PR ada/24994
3470         * tree-cfg.c (bsi_replace): Rename final argument from
3471         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
3472         change (stmt -> orig_stmt).
3473         * tree-eh.c (verify_eh_throw_stmt_node): New function.
3474         (bsi_remove): Add new argument.  Remove EH information
3475         if requested.
3476         (verify_eh_throw_table_statements): New function.
3477         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
3478         updated.
3479         * tree-optimize.c (execute_free_cfg_annotations): Verify
3480         the EH throw statement table after removing annotations.
3481         * except.h (verify_eh_throw_table_statements): Prototype.
3482         * tree-flow.h (bsi_remove): Update prototype.
3483         * tree-vrp.c (remove_range_assertions): Add new argument to
3484         bsi_remove call.
3485         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3486         * tree-complex.c (expand_complex_div_wide): Likewise.
3487         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3488         * tree-tailcall.c (eliminate_tailcall): Likewise.
3489         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3490         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3491         * tree-nrv.c (tree_nrv): Likewise.
3492         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3493         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3494         (combine_blocks): Likewise.
3495         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3496         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3497         (cleanup_control_flow): Likewise.
3498         (remove_forwarder_block): Likewise.
3499         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3500         * tree-sra.c (sra_replace): Likewise.
3501         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3502         (forward_propagate_single_use_vars): Likewise.
3503         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3504         * tree-inline.c (expand_call_inline): Likewise.
3505         * tree-vect-transform.c (vect_transform_loop): Likewise.
3506         * tree-outof-ssa.c (rewrite_trees): Likewise.
3507         * tree-cfg.c (make_goto_expr_edges): Likewise.
3508         (cleanup_dead_labels): Likewise.
3509         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3510         (bsi_move_before, bsi_move_after): Likewise.
3511         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3512         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3513
3514 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
3515
3516         PR tree-opt/25528
3517         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3518         and IMAGPART_EXPR.
3519         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3520         on non gimple variables.  Also add checks at the top for decls and
3521         mtags.
3522         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3523         complex types.
3524         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3525         and IMAGPART_EXPR for creating MUST_DEFs.
3526         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3527         and NAME_MEMORY_TAG separately from the DECLs.
3528
3529 2006-01-06  Richard Guenther  <rguenther@suse.de>
3530
3531         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3532         annotation, if necessary.
3533         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3534         redundant calls to update_stmt.
3535         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3536         Likewise.
3537
3538 2006-01-05  Richard Henderson  <rth@redhat.com>
3539
3540         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3541
3542 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3543
3544         * c-typeck.c: Update copyright date.
3545
3546 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3547
3548         * c-typeck.c (build_c_cast): Always warn when casting
3549         from a pointer to an integer of different size, even if
3550         the node was constant.
3551
3552 2006-01-05  Richard Guenther  <rguenther@suse.de>
3553
3554         PR tree-optimization/22555
3555         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3556         if one structure field is an array.
3557         * tree-ssa-operands.c (get_expr_operands): Continue scanning
3558         operands even if we found a subvar, but ignore VOPs in this
3559         case.
3560         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3561         for renaming.
3562         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3563
3564 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
3565
3566         PR middle-end/24998
3567         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3568
3569 2006-01-05  Richard Guenther  <rguenther@suse.de>
3570             Diego Novillo  <dnovillo@redhat.com>
3571
3572         * tree-pass.h (TODO_remove_unused_locals): Define.
3573         * gimple-low.c (expand_var_p, remove_useless_vars,
3574         pass_remove_useless_vars): Remove.  Update all users.
3575         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3576         (remove_unused_locals): New function.
3577         * tree-flow.h (remove_unused_locals): Declare.
3578         * passes.c (execute_todo): Call remove_unused_locals if
3579         TODO_remove_unused_locals is set.
3580         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3581         * tree-ssa-dce.c (pass_dce): Likewise.
3582         * tree-outof-ssa.c (pass_del_ssa): Likewise.
3583
3584 2006-01-05  Richard Guenther  <rguenther@suse.de>
3585
3586         * tree-flow.h (struct fieldoff): Decompose field to
3587         type, size and decl.
3588         * tree-ssa-alias.c (create_sft): Take type as parameter.
3589         (create_overlap_variables_for): Store type, size and decl
3590         in the fieldoff structure.
3591         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3592         of struct fieldoff.
3593         (push_fields_onto_fieldstack): Likewise.
3594         (create_variable_info_for): Likewise.  Use offset for the
3595         SFT name if the decl is not available.
3596
3597 2006-01-04  Paul Brook  <paul@codesourcery.com>
3598
3599         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3600
3601 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
3602
3603         * lambda-code.c (can_put_in_inner_loop): Relax
3604         restrictions.
3605         (can_put_after_inner_loop): New function.
3606         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3607         (perfect_nestify): Change to make copies and modify uses.
3608
3609 2006-01-04  Richard Henderson  <rth@redhat.com>
3610
3611         Merge from gomp branch:
3612         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3613         via integer constant.
3614         (pragma_lex): Remove.
3615         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3616         rather than parsing it.
3617         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3618         handle_pragma_extern_prefix): Add %< %> quotes.
3619         (registered_pragmas): New.
3620         (c_register_pragma_1): New.
3621         (c_register_pragma): Use it.
3622         (c_register_pragma_with_expansion): Likewise.
3623         (c_invoke_pragma_handler): New.
3624         (init_pragma): Use cpp_register_deferred_pragma directly for
3625         pch_preprocess.
3626         * c-pragma.h (enum pragma_kind): New.
3627         (pragma_handler): New.
3628         (c_invoke_pragma_handler): Declare.
3629         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3630         CPP_PRAGMA_EOL.
3631         * c-common.h (c_common_pch_pragma): Update decl.
3632         * Makefile.in (c-parser.o): Update dependencies.
3633         (GTFILES): Add c-pragma.h.
3634         * c-parser.c (struct c_token): Add pragma_kind.
3635         (struct c_parser): Add in_pragma.
3636         (c_lex_one_token): Always initialize keyword and pragma_kind.
3637         Extract data for CPP_PRAGMA.
3638         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3639         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3640         Don't allow CPP_PRAGMA_EOL if in_pragma.
3641         (c_parser_consume_pragma): New.
3642         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3643         (c_parser_skip_to_end_of_parameter): Likewise.
3644         (c_parser_skip_to_end_of_block_or_statement): Likewise.
3645         (c_parser_skip_to_pragma_eol): New.
3646         (c_parser_external_declaration): Handle CPP_PRAGMA.
3647         (c_parser_compound_statement_nostart): Likewise.
3648         (c_parser_statement_after_labels): Likewise.
3649         (c_parser_pragma): New.
3650         (pragma_lex): Likewise.
3651         (c_parser_pragma_pch_preprocess): New.
3652         (c_parser_new): Merge into ...
3653         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
3654
3655 2006-01-04  Jeff Law  <law@redhat.com>
3656
3657         PR ada/24994
3658         * tree-cfg.c (bsi_replace): Remove the original statement
3659         from the EH throw statement table.
3660
3661 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
3662
3663         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3664         make the prototype extern "C" and add throw ().
3665
3666         PR target/25554
3667         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3668         and pos non-negative and pos + len <= 32.
3669         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3670         drop pos + len < HOST_BITS_PER_WIDE_INT test.
3671         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3672
3673         PR c/25559
3674         * c-common.c (handle_vector_size_attribute): Reject zero vector size
3675         as well as sizes not multiple of component size.
3676
3677         PR debug/25562
3678         * function.c (instantiate_expr): New function.
3679         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3680         walk its DECL_VALUE_EXPR with instantiate_expr.
3681
3682         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3683         DW_OP_deref{,_size} if address isn't going to be added.
3684
3685 2006-01-04  Ben Elliston  <bje@au.ibm.com>
3686
3687         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3688         * config/fp-bit.c: Likewise.
3689
3690 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
3691
3692         * dominance.c: Add comment about why we use DFS numbering
3693         of dominance tree.
3694
3695 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3696             Richard Henderson  <rth@redhat.com>
3697
3698         Merge from gomp-branch:
3699         * varasm.c (assemble_variable): Handle thread-local COMMON data.
3700         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3701
3702 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
3703
3704         PR rtl-optimization/25578
3705         * combine.c (combine_simplify_rtx, force_to_mode): Don't
3706         pass a parameter to simplify_shift_const if changing ASHIFTRT
3707         to LSHIFTRT.
3708
3709 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
3710
3711         * builtins.c (get_builtin_sync_mem): New function.
3712         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3713         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3714         Call get_builtin_sync_mem to generate mem rtx.
3715
3716 2006-01-03  Richard Guenther  <rguenther@suse.de>
3717
3718         PR c/25183
3719         * stmt.c (add_case_node): Make sure to clear overflow flags
3720         from ranges.
3721
3722 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3723
3724         Merge from gomp-branch.
3725         * config/sparc/sync.md: New file.
3726         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3727         UNSPECV_LDSTUB): New constants.
3728         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3729         * config/sparc/predicates.md (memory_reg_operand): New predicate.
3730         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3731         prototype.
3732
3733 2006-01-03  Roger Sayle  <roger@eyesopen.com>
3734
3735         * combine.c (reg_subword_p): New predicate to test whether the
3736         destination of a set refers to a subword/piece of a register.
3737         (try_combine): Generalize the code to merge the setting of a
3738         pseudo to a constant followed by a set of a subword of that
3739         register to a constant.
3740
3741 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
3742
3743         * basic-block.h (control_flow_graph): Change the type of
3744         x_label_to_block_map to VEC(basic_block,gc) *.
3745         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3746         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3747
3748         * tree-ssa-propagate.c (cfg_blocks): Change the type to
3749         VEC(basic_block,heap) *.
3750         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3751         ssa_prop_fini): Adjust the uses of cfg_blocks.
3752
3753 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
3754
3755         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3756         COMPONENT_REFs.
3757         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3758         hashing trees instead of a pointer hash.
3759         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3760         compare for MEM_EXPR.
3761
3762         PR rtl-optimization/25130
3763         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3764         when comparing MEMs for GCSE
3765
3766 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3767
3768         * targhooks.h (default_decimal_float_supported_p): Declare.
3769         * targhooks.c (default_decimal_float_supported_p): Define.
3770         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3771         `default_decimal_float_supported_p'.
3772         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3773
3774 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3775
3776         * combine.c (apply_distributive_law <SUBREG>): Check
3777         TRULY_NOOP_TRUNCATION.
3778
3779 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3780
3781         * dwarf2out.c (have_switched_text_section): Delete.
3782         (have_multiple_function_sections): New.
3783         (have_location_lists): Make 'bool'.
3784         (add_AT_loc_list): Use 'true' not '1'.
3785         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3786         (output_loc_list): Use have_multiple_function_sections.
3787         (output_ranges): Likewise.
3788         (dwarf2out_begin_function): Set have_multiple_function_sections if
3789         necessary.
3790         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3791         Check function_section rather than DECL_SECTION_NAME.
3792         (dwarf2out_finish): Use have_multiple_function_sections.
3793         Don't clear have_location_lists.
3794
3795 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3796             Jan Hubicka  <jh@suse.cz>
3797
3798         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3799         case of conditional jump jumping to the next instruction.
3800         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3801         cases of conditional jump jumping to the next instruction.
3802
3803 2006-01-02  Jan Hubicka  <jh@suse.cz>
3804
3805         * i386.c (*_cost): Add COSTS_N_INSNS.
3806         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3807
3808 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3809
3810         PR target/25259
3811         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3812
3813 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3814
3815         * config/arm/arm.c (all_fpus): Fix comment typo.
3816         * config/darwin.c: Likewise.
3817         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3818         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3819         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3820
3821 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3822
3823         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3824         (rs6000_split_compare_and_swapqhi): New.
3825         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3826         (sync_compare_and_swapqhi_internal): New.
3827         * config/rs6000/rs6000-protos.h: Declare.