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* read-rtl.c (read_name): Terminate reading on EOF.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-06  Ben Elliston  <bje@au.ibm.com>
2
3         * read-rtl.c (read_name): Terminate reading on EOF.
4
5 2006-02-06  Ben Elliston  <bje@au.ibm.com>
6
7         * dfp.c (decimal_real_arithmetic): Change second argument type
8         from int to enum tree_code. Do not always return true, but now
9         return result of any call to decimal_do helper functions.
10         * dfp.h (decimal_real_arithmetic): Update prototype.
11
12 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
13
14         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15
16 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
17
18         PR tree-opt/25251
19         * tree-cfg.c (cleanup_dead_labels): Also don't remove
20         forced labels.
21
22 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
23
24         * tree-vrp.c (cfg_loops): Removed.
25         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
26         Use current_loops instead of cfg_loops.  Pass flags to
27         loop_optimizer_init.
28         * cfgloopmanip.c (fix_loop_structure): Update only available
29         information.
30         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
31         loop_optimizer_init.
32         * modulo-sched.c (build_loops_structure): Removed.
33         (sms_schedule): Use loop_optimizer_init.
34         * loop-init.c (loop_optimizer_init): Use flags to determine
35         which properties of loops to prepare.
36         (rtl_loop_init): Pass flags to loop_optimizer_init.
37         * tree-ssa-sink.c (execute_sink_code): Ditto.
38         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
39         * tree-ssa-pre.c (init_pre): Ditto.
40         * cfgloop.h (LOOPS_NORMAL): New.
41         (loop_optimizer_init): Declaration changed.
42
43 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
44
45         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
46         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
47         pa/t-pa.
48         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
49         pa/t-pa.
50         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
51         pa/x-ada.
52         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
53         * pa/t-pa64: Delete quadlib.c rule.
54         * pa/x-ada: Revert last change.
55         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
56
57 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
58
59         PR rtl-optimization/26087
60         * rtlanal.c (canonicalize_condition): Do not cross basic block
61         boundaries.
62
63 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
64
65         PR debug/24444
66         * config/ia64/ia64.c: Include debug.h.
67         (MAX_ARTIFICIAL_LABEL_BYTES): New.
68         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
69         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
70         (process_epilogue, process_set, process_for_unwind_directive):
71         Output unwind info only if requested.  Add CFA info if requested.
72         Add new arguments as needed.  Adjust callers.
73         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
74         incorrect default.
75         (DWARF2_FRAME_INFO): Define to zero.
76         * config/ia64/unwind-ia64.c: Remove code that compensated for
77         the CFA offset error fixed above.
78         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
79         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
80         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
81         -funwind-tables and -fexceptions to enable frame info.
82         (dwarf2out_frame_init): Define initial CFA even if
83         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
84         DWARF2_UNWIND_INFO is nonzero, not just defined.
85         (dwarf2out_frame_finish): Output non-EH call frame info only
86         if DWARF2_FRAME_INFO is nonzero.
87         (convert_cfa_to_loc_list,
88         compute_frame_pointer_to_cfa_displacement): Define even if
89         unwind info is not supported.
90         (gen_subprogram_die): Use the above unconditionally.  Remove
91         legacy alternate code.
92         * toplev.c (compile_file): Compile in call to
93         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
94         (lang_dependent_init): Ditto for dwarf2out_frame_init.
95
96 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
97             Jakub Jelinek  <jakub@redhat.com>
98
99         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
100         IBM extended float format long double as "g" on powerpc*-linux.
101
102 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
103
104         PR target/25926
105         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
106         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
107
108 2006-02-03  Jason Merrill  <jason@redhat.com>
109
110         PR c++/25979
111         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
112
113         PR middle-end/25977
114         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
115         on the return slot if it's an NRV.
116
117 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
118
119         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
120         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
121         rewrite_use): Do not handle USE_OUTER.
122         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
123         add_iv_outer_candidates, may_replace_final_value,
124         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
125         (find_interesting_uses_op): Functionality of
126         find_interesting_uses_outer_or_nonlin moved here.
127         (find_interesting_uses_outside): Use find_interesting_uses_op.
128
129 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
130
131         PR target/25960
132         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
133
134 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
135             Ulrich Weigand  <uweigand@de.ibm.com>
136
137         PR target/25864
138         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
139         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
140         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
141         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
142         and dxr fields.
143         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
144         (s390_rtx_costs): Use the new fields to calculate rtx costs.
145         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
146         Define secondary reloads for TFmode moves.
147         (constant_modes): Add TFmode.
148         (NR_C_MODES): Set to 8.
149         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
150         builtin define.
151         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
152         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
153         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
154         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
155         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
156         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
157         (FPR mode macro): Add TFmode.
158         (DSF mode macro): New.
159         (<de>, <dee> mode attributes): Removed.
160         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
161         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
162         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
163         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
164         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
165         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
166         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
167         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
168         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
169         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
170         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
171         "*negabs<mode>2", "sqrt<mode>2"):
172         Changed <de> to <xde>. R constraint replaced by <Rf>.
173         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
174         <Rf>.
175         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
176         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
177         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
178         splitters.
179         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
180         "extenddftf2", "extendsftf2"): New expanders.
181         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
182         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
183         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
184         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
185         New options.
186         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
187         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
188         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
189         __floatditf): Add a GCC_4.1.0 symbol version tag.
190         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
191         the new options.
192
193 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
194
195         PR target/25377
196         * config/i386/i386.c (ix86_function_ok_for_sibcall):
197         Use targetm.binds_local_p instead of TREE_PUBLIC.
198
199 2006-02-02  Roger Sayle  <roger@eyesopen.com>
200
201         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
202         on INTEGER_TYPEs to indicate that it denotes a character type.
203         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
204         signed_char_type_node, unsigned_char_type_node and char_type_node.
205         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
206         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
207         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
208
209 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
210             Daniel Berlin  <dberlin@dberlin.org>
211
212         * tree-tailcall.c (arg_needs_copy_p): New function.
213         (eliminate_tail_call): Use arg_needs_copy_p.
214         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
215         (add_virtual_phis): New function.
216
217 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
218
219         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
220         #ignore instead of #scratch for %g7 .register directive.
221
222 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
223
224         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
225         object files.
226
227 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
228
229         * flow.c (calculate_global_regs_live): Assert that there aren't any
230         EDGE_FAKE edges.
231
232 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
233
234         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
235         what its name says.
236         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
237         bsi_after_labels iterator.
238         * tree-if-conv.c (find_phi_replacement_condition,
239         replace_phi_with_cond_modify_expr): Likewise.
240         * tree-scalar-evolution.c (scev_const_prop): Likewise.
241         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
242
243 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
244
245         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
246
247 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
248
249         PR 25990
250         * tree-cfg.c (move_block_to_fn): Clear out the basic block
251         array after growing it.
252
253 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
254
255         PR middle-end/24901
256         * fold-const.c (fold_checksum_tree): Change type of buf.
257
258 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
259
260         * reload.c (push_secondary_reload): Initialize t_icode.
261
262 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
263
264         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
265         -msoft-float -mlong-double-128 only issue a warning, but don't
266         swich to DFmode long double.
267
268 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
269
270         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
271         has a constant equivalent, iterate over equivalents for arg0,
272         calling simplify_relational_operation and if there's a result
273         cheaper than X, apply fold_rtx and return the result.
274
275 2006-02-01  Jan Hubicka  <jh@suse.cz>
276
277         * opts.c (no_unit_at_a_time_default): New global variable.
278         (decode_options): Use it.
279         * opts.h (no_unit_at_a_time_default): Declare.
280
281 2006-02-01  Paul Brook  <paul@codesourcery.com>
282
283         * function.c (assign_parm_setup_reg): Use function argument promotion
284         rules.
285         * expr.c (expand_expr_real_1): Use function argument promotion rules
286         for PARM_DECLs.
287
288 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
289
290         * gcc.c (process_command): Change j to 'unsigned int'.
291
292 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
293
294         PR middle-end/26001
295         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
296         Use the corrected index for the character
297         out of the string constant.
298
299 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
300
301         * mode-switching.c (optimize_mode_switching): Fix size
302         allocated for bb_info[n_entities].
303
304 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
305
306         * gcc.c (main): Correct type that is allocated for
307         explicit_link_files.
308
309 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
310
311         * config/s390/s390.c (init_alignment_context): Set
312         ALIAS_SET_MEMORY_BARRIER on the MEM.
313         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
314
315 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
316
317         PR middle-end/25933
318         * loop-unroll.c (unroll_loop_runtime_iterations): Free
319         dom_bbs pointer.
320         * tree-ssa-live.c (type_var_init): Allocate bitmap after
321         call to tpa_init.
322
323 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
324
325         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
326         * regrename.c: Ditto.
327         * tree-ssa-loop-im.c: Ditto.
328         * tree-dump.c: Ditto.
329         * tree-complex.c: Ditto.
330         * genrecog.c: Ditto.
331         * tree-ssa-threadupdate.c: Ditto.
332         * tracer.c: Ditto.
333         * java/class.c: Ditto.
334         * java/jcf-parse.c: Ditto.
335         * java/resource.c: Ditto.
336         * java/except.c: Ditto.
337         * java/jvspec.c: Ditto.
338         * java/jcf-write.c: Ditto.
339         * java/jcf-path.c: Ditto.
340         * java/gjavah.c: Ditto.
341         * java/zextract.c: Ditto.
342         * java/jcf-io.c: Ditto.
343         * java/jcf.h: Ditto.
344         * java/buffer.c: Ditto.
345         * java/lang.c: Ditto.
346         * java/parse-scan.y: Ditto.
347         * java/lex.c: Ditto.
348         * java/lex.h: Ditto.
349         * cfgloopmanip.c: Ditto.
350         * postreload-gcse.c: Ditto.
351         * tree-ssa-loop-manip.c: Ditto.
352         * postreload.c: Ditto.
353         * tree-ssa-loop-ch.c: Ditto.
354         * loop.c: Ditto.
355         * ipa-cp.c: Ditto.
356         * cppspec.c: Ditto.
357         * diagnostic.c: Ditto.
358         * final.c: Ditto.
359         * genoutput.c: Ditto.
360         * gcc.c: Ditto.
361         * cfghooks.c: Ditto.
362         * cfgloopanal.c: Ditto.
363         * objc/objc-act.c: Ditto.
364         * gcov.c: Ditto.
365         * genextract.c: Ditto.
366         * genautomata.c: Ditto.
367         * pretty-print.c: Ditto.
368         * genemit.c: Ditto.
369         * cgraphunit.c: Ditto.
370         * flow.c: Ditto.
371         * df-scan.c: Ditto.
372         * haifa-sched.c: Ditto.
373         * dominance.c: Ditto.
374         * dbxout.c: Ditto.
375         * tree-ssa-loop-ivopts.c: Ditto.
376         * df-core.c: Ditto.
377         * mode-switching.c: Ditto.
378         * modulo-sched.c: Ditto.
379         * graph.c: Ditto.
380         * ipa-pure-const.c: Ditto.
381         * cse.c: Ditto.
382         * fix-header.c: Ditto.
383         * web.c: Ditto.
384         * tree-stdarg.c: Ditto.
385         * ipa-utils.c: Ditto.
386         * loop-init.c: Ditto.
387         * ipa-inline.c: Ditto.
388         * cfganal.c: Ditto.
389         * global.c: Ditto.
390         * alloc-pool.c: Ditto.
391         * dwarf2out.c: Ditto.
392         * opts.c: Ditto.
393         * genattrtab.c: Ditto.
394         * tree-ssa-loop-ivcanon.c: Ditto.
395         * predict.c: Ditto.
396         * timevar.c: Ditto.
397         * lcm.c: Ditto.
398         * fortran/gfortranspec.c: Ditto.
399         * regmove.c: Ditto.
400         * local-alloc.c: Ditto.
401         * langhooks.c: Ditto.
402         * function.c: Ditto.
403         * tree-vectorizer.c: Ditto.
404         * gcse.c: Ditto.
405         * ipa-type-escape.c: Ditto.
406         * alias.c: Ditto.
407         * tree-if-conv.c: Ditto.
408         * profile.c: Ditto.
409         * ipa.c: Ditto.
410         * tree-data-ref.c: Ditto.
411         * loop-unroll.c: Ditto.
412         * treelang/treetree.c: Ditto.
413         * calls.c: Ditto.
414         * bt-load.c: Ditto.
415         * ggc-common.c: Ditto.
416         * except.c: Ditto.
417         * coverage.c: Ditto.
418         * cselib.c: Ditto.
419         * tree-cfgcleanup.c: Ditto.
420         * tree-ssa-pre.c: Ditto.
421         * cfgcleanup.c: Ditto.
422         * loop-invariant.c: Ditto.
423         * loop-iv.c: Ditto.
424         * ipa-prop.c: Ditto.
425         * print-tree.c: Ditto.
426         * conflict.c: Ditto.
427         * ggc-page.c: Ditto.
428         * sched-deps.c: Ditto.
429         * regclass.c: Ditto.
430         * tree-object-size.c: Ditto.
431         * combine.c: Ditto.
432         * bb-reorder.c: Ditto.
433         * resource.c: Ditto.
434         * var-tracking.c: Ditto.
435         * cfgloop.c: Ditto.
436         * df-problems.c: Ditto.
437         * reg-stack.c: Ditto.
438         * tlink.c: Ditto.
439         * gccspec.c: Ditto.
440         * sched-rgn.c: Ditto.
441         * tree-ssa-structalias.c: Ditto.
442         * tree-ssa-reassoc.c: Ditto.
443         * config/darwin-c.c: Ditto.
444         * config/darwin.c: Ditto.
445         * config/arm/arm.c: Ditto.
446         * cfgrtl.c: Ditto.
447         * collect2.c: Ditto.
448         * reload1.c: Ditto.
449
450 2006-01-31  Nicolas Pitre  <nico@cam.org>
451
452         * arm.md (smaxsi3): Make aware of smax_m1.
453         (smax_m1): New.
454
455 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
456
457         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
458
459 2006-01-31  Richard Guenther  <rguenther@suse.de>
460
461         * doc/invoke.texi (-msselibm): Document.
462         * target.h (expand_library_builtin): New target hook.
463         * builtins.c (expand_builtin): Use expand_library_builtin.
464         (default_expand_library_builtin): New function.
465         * gcc.c (LINK_GCC_MATH_SPEC): Define.
466         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
467         (link_gcc_math_spec): Declare.
468         (static_specs): Add link_gcc_math_spec.
469         * expr.h (default_expand_library_builtin): Declare.
470         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
471         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
472         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
473         * config/i386/i386.opt (msselibm): New target option.
474         * config/i386/i386.c (ix86_builtin_function_variants): New array.
475         (ix86_init_sse_abi_builtins): New function.
476         (ix86_expand_library_builtin): Likewise.
477         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
478         (override_options): Handle error conditions wrt -msselibm.
479         (ix86_builtins): Add function codes for SSE2 ABI builtins.
480         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
481         * doc/extend.texi (__builtin_sse2_*): Document new target specific
482         builtins.
483
484 2006-01-31  Richard Guenther  <rguenther@suse.de>
485         Paolo Bonzini  <bonzini@gnu.org>
486
487         * doc/install.texi (--disable-libgcc-math): Document.
488
489 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
490
491         * expr.h (expand_normal): new inline function.
492         * builtins.c: use it, use EXPAND_NORMAL explicitely.
493         * dojump.c: use it.
494         * dwarf2out.c: use it.
495         * expr.c: use it.
496         * calls.c: use it.
497         * expmed.c: use it.
498         * except.c: use it.
499         * config/sparc/sparc.c: use it.
500         * config/i386/i386.c: use it.
501         * config/rs6000/rs6000.c: use it.
502         * config/arm/arm.c: use it.
503         * config/mips/mips.c: use it.
504         * stmt.c: use it, use EXPAND_NORMAL explicitely.
505
506 2006-01-30  Roger Sayle  <roger@eyesopen.com>
507
508         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
509         argv to the appropriate type.
510
511 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
512
513         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
514         unreachable code.
515
516 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
517
518         PR target/26018
519         * config/s390/s390.c (struct machine_function): New flag
520         decomposed_literal_pool_addresses_ok_p.
521         (s390_reorg): Set it before final stage of literal pool transforms.
522         (s390_decompose_address): Only accept displacements of the form
523         (minus (label_ref ...) (label_ref ...)) if that flag is set.
524
525 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
526
527         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
528         the comparison routine return.
529
530 2006-01-30  Michael Matz  <matz@suse.de>
531
532         * global.c (find_reg): Only evict for global regs.
533         Take n_refs into account and dump more info.
534
535 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
536
537         PR target/14798:
538         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
539         (pragma_trap, pragma_nosave_low_regs): Likewise.
540         (current_function_anonymous_args): Likewise.
541         (sh_deferred_function_attributes): New variable.
542         (sh_deferred_function_attributes_tail): Likewise.
543         (print_operand): For '@', look up trap_exit attribute.
544         (calc_live_regs): Look up trapa_handler attribute.  For trapa
545         handlers, save/restore fpscr, but don't do any other
546         interrupt-specific saves.
547         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
548         Fix check for partially saved registers to check for SHmedia.
549         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
550         (sh_output_function_epilogue): Don't clear any of the removed
551         variables.
552         (sh_insert_attributes): Don't check pragma_interrupt.
553         Insert deferred attributes.  Check that interrupt attribute is
554         present for other attributes that require its presence.
555         (sh_attribute_table): Add new attributes trapa_handler and
556         nosave_low_regs.
557         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
558         Don't check for pragma_interrupt.  Don't store argument.
559         * sh.h (pragma_interrupt, sp_switch): Don't declare.
560         (sh_deferred_function_attributes): Declare.
561         (sh_deferred_function_attributes_tail): Likewise.
562         * sh.md (sp_switch_1): Add operand.  Change generator caller.
563         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
564         (*return_i): Don't use when trap_exit attribute is in effect.
565         (*return_trapa): New insn pattern.
566         * sh-c.c: New file.
567         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
568         setting c_target_objs and cxx_target_objs.
569         * t-sh: Add rule for sh-c.o.
570
571 2006-01-30  Richard Guenther  <rguenther@suse.de>
572
573         PR c++/23372
574         * gimplify.c (gimplify_target_expr): Handle easy cases
575         without creating a temporary.
576
577 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
578
579         * vec.h (safe_grow): Remove duplicated line.
580
581 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
582
583         PR 25874
584         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
585         (expand_omp): ... here.
586         (expand_omp_parallel): Only remove barriers for combined
587         parallel+workshare constructs.
588
589 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
590
591         Revert
592
593         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
594         * tree.c (build_qualified_type): Chain the new type to the original
595         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
596         a POINTER_TYPE or a REFERENCE_TYPE respectively.
597         (build_pointer_type_for_mode): Only return unqualified types.
598         (build_reference_type_for_mode): Likewise.
599
600 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
601
602         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
603         * Makefile.in (CXX_COMPAT_WARN): Define.
604         * configure: Regenerate.
605
606 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
607
608         PR tree-opt/25911
609         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
610         to an if check.
611
612 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
613
614         * toplev.c: Fix thinko.
615
616 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
617             Marcin Dalecki  <martin@dalecki.de>
618
619         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
620         (push_srcloc): Use XNEW.
621         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
622
623 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
624
625         * df-core.c (df_set_blocks): Deleted all variable.
626
627 2006-01-28  Ian Lance Taylor  <ian@airs.com>
628
629         * cgraphunit.c (cgraph_assemble_pending_functions): Call
630         cgraph_output_pending_asms.
631
632 2006-01-28  Zack Weinberg  <zackw@panix.com>
633
634         * c.opt: Add -W(no-)overlength-strings.
635         * doc/invoke.texi: Document it.
636         * c-opts.c (c_common_handle_option): -pedantic implies
637         -Woverlength-strings, if not explicitly disabled already.
638         (c_common_post_options): -Woverlength-strings defaults to off, and
639         is always off for C++.
640         * c-common.c (fix_string_type): Issue warning about strings longer
641         than is portable only if warn_overlength_strings.  Rearrange code
642         a little for clarity.
643         * configure.in: Check for -Wno-overlength-strings as well before
644         enabling -pedantic in stage 1.
645         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
646         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
647
648         * genconditions.c (write_header, write_one_condition)
649         (write_conditions, write_writer): Consolidate very long strings
650         that were broken up to fit in C89 portable limit.  Don't use
651         printf when fputs will do.
652
653 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
654
655         * combine.c (simplify_comparison <AND>): Check
656         TRULY_NOOP_TRUNCATION before start using a subreg.
657
658         * config/mips/mips.md (*branch_zero<mode>,
659         *branch_zero<mode>_inverted, *branch_equality<mode>,
660         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
661         Remove mode check from comparisons.
662
663 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
664
665         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
666
667 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
668
669         * expmed.c (const_mult_add_overflow_p): Remove.
670         * expr.h: Remove the prototype for const_mult_add_overflow_p.
671
672         * recog.c (validate_replace_rtx_subexp): Remove.
673         * recog.h: Remove the prototype for
674         validate_replace_rtx_subexp.
675
676         * integrate.h: Remove the prototype for
677         copy_decl_for_inlining.
678         * rtl.h: Remove the prototype for mark_constant_function.
679         * tree-vectorizer.h: Remove the prototype for
680         vect_strip_conversion.
681
682         * modulo-sched.c (create_partial_schedule,
683         free_partial_schedule, reset_partial_schedule): Make them
684         static.
685
686         * hooks.c (hook_bool_rtx_int_false): Remove.
687         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
688
689 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
690
691         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
692         and -mlong-double-128 are incompatible.
693         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
694         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
695         (TARGET_LIBGCC2_CFLAGS): Define.
696         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
697         (TARGET_LIBGCC2_CFLAGS): Same.
698         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
699
700 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
701
702         PR c/19606.
703         * c-typeck.c (build_binary_op): Perform implicit casts of
704         operands before shortening them.
705
706         * cfgloopmanip.c (split_loop_bb): Remove.
707         * cfgloop.h: Remove the prototype for split_loop_bb.
708
709         * cfgloop.c (flow_loop_outside_edge_p): Remove.
710         * cfgloop.h: Remove the prototype for
711         flow_loop_outside_edge_p.
712
713         * emit-rtl.c (init_virtual_regs): Make it static.
714         * function.h: Remove the prototype for init_virtual_regs.
715
716         * recog.c (peephole2_optimize): Make it static.
717         * recog.h: Remove the prototype for peephole2_optimize.
718
719 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
720
721         * df-scan.c (df_record_entry_block_defs): Check if
722         INCOMING_RETURN_ADDR_RTX is defined.
723
724 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
725             Kenneth Zadeck <zadeck@naturalbridge.com>
726
727         PR rtl-optimization/24762
728         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
729         * targhooks.c (hook_void_bitmap): New hook prototype.
730         * targhoohs.h (hook_void_bitmap): Ditto.
731         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
732         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
733         * target.h (live_on_entry): New function pointer.
734         * df-scan.c (df_all_hard_regs): Removed.
735         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
736         (df_scan_free_internal): Added df->entry_block_defs.
737         (df_scan_alloc): Ditto.
738         (df_scan_dump): Ditto.
739         (df_uses_record): Plumbed flag field properly thru calls.
740         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
741         This part fixes PR24762.
742         (df_bb_refs_record): Added code to make the frame and arg
743         pointers live in EH blocks.
744         (df_refs_record): Added call to df_record_entry_block_defs.
745         (df_record_entry_block_defs): New function.
746         * df-core.c: Added comments to describe new artifical defs.
747         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
748         (entry_block_defs): New field in struct df.
749         (df_all_hard_regs): Deleted.
750         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
751         * df-problems.c (df_ru_bb_local_compute_process_def):
752         Added code to handle artifical defs in the entry to a function.
753         (df_ru_bb_local_compute): Ditto.
754         (df_rd_bb_local_compute_process_def):  Ditto.
755         (df_rd_bb_local_compute): Ditto.
756         (df_lr_bb_local_compute): Ditto.
757         (df_ur_bb_local_compute): Ditto.
758         (df_urec_bb_local_compute):  Ditto.
759         (df_chain_create_bb):  Ditto.
760         (df_ur_local_finalize): Removed entry.
761         (df_urec_init): Ditto.
762         (df_urec_local_finalize): Ditto.
763         (df_ri_bb_compute): Added detection of last use of pseudos.
764         * Makefile.in (df-scan.o): Updated dependencies.
765         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
766         * config/mips/mips.c (mips_set_live_on_entry): Added.
767         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
768         for target hook.
769         * dce.c (marked_insn_p): Added code to handle artifical defs.
770
771 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
772
773         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
774         intrinsic.
775         (_mm_cvtsi128_si64): Likewise.
776         (_mm_cvtsd_si64): Likewise.
777         (_mm_cvttsd_si64): Likewise.
778         (_mm_cvtsi64_sd): Likewise.
779         (_mm_cvtsi64_si128): Likewise.
780         * config/i386/mmintrin.h (_m_from_int64): Likewise.
781         (_mm_cvtsi64_m64): Likewise.
782         (_m_to_int64): Likewise.
783         (_mm_cvtm64_si64): Likewise.
784         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
785         (_mm_cvttss_si64): Likewise.
786         (_mm_cvtsi64_ss): Likewise.
787         (_mm_cvtss_f32): Likewise.
788
789 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
790
791         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
792         for pragma redefine_extname.
793
794 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
795
796         PR target/25864
797         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
798         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
799         -mno-minimal-toc to previous content.
800         (bispecs): Remove goal.
801         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
802         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
803         compatibility aliases on powerpc-*-*gnu*.
804         * config/rs6000/libgcc-ppc-glibc.ver: New file.
805         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
806         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
807         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
808         (ldblspecs): New goal.
809         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
810         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
811         _df_to_tf.
812         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
813         L_sf_to_tf or L_df_to_tf is defined.
814
815 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
816             Alan Modra  <amodra@bigpond.net.au>
817
818         PR target/25864
819         * config/rs6000/linux.h (POWERPC_LINUX): Define.
820         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
821         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
822         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
823         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
824         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
825         (rs6000_override_options): Initialize rs6000_ieeequad.
826         Initialize TFmode format to ibm_extended_format if not
827         TARGET_IEEEQUAD.
828         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
829         ieeelongdouble.
830         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
831         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
832         (function_arg_advance): IBM long double passed in two FPRs, not
833         split.
834         (function_arg): IBM long double passed in FPRs.
835         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
836         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
837         Only multireg GPR aligned.
838         (rs6000_init_libfuncs): Enable IBM long double functions if not
839         IEEEQUAD.
840         (rs6000_generate_compare): Use IBM long double compare if not
841         TARGET_IEEEQUAD.
842         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
843         (TARGET_IEEEQUAD): Define.
844         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
845         not TARGET_IEEEQUAD.
846         * config/rs6000/rs6000.md: Enable TFmode patterns if
847         !TARGET_IEEEQUAD.
848         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
849         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
850         and -mlong-double-128 are incompatible.
851         * doc/invoke.texi (-mabi): Collect options together.  Add
852         ibmlongdouble and ieeelongdouble.
853
854 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
855
856         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
857         opaque type.
858         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
859         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
860         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
861         * rtl.h (rtunion_def): Remove rt_ptr.
862         (X0PTR): Delete.
863         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
864         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
865         * config/i386/winnt.c (i386_pe_mark_dllexport)
866         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
867
868 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
869
870         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
871
872 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
873
874         PR other/24829
875         PR target/24831
876         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
877         pthread_key_delete.  From John David Anglin.  gthrw-ify
878         pthread_getunique_np only if it it's not a macro.  Delete
879         UNUSED macro.
880         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
881         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
882         __gthread_objc_condition_signal, __gthread_key_delete): Add
883         "__attribute__ ((__unused__))" to unused arguments.
884         (__gthread_recursive_mutex_init_function): Add missing return.
885         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
886         gthr-posix95.h: Use macro-based approach for name redirection
887         on targets missing weakref.
888
889 2006-01-26  Zack Weinberg  <zackw@panix.com>
890
891         * genconditions.c (write_header): In generated code, #ifdef out
892         all includes and fake declarations, except includes of bconfig.h
893         and system.h, unless GCC_VERSION >= 3001.  Do not include
894         gensupport.h in any case.
895         (write_conditions): Generate a definition of struct c_test.  Add
896         a comment to the generated #endif.
897         (write_one_condition): Escape backslashes in string too.
898         (write_writer): Generated code must escape backslashes and quote
899         marks (but not newlines) in the strings it writes.
900         * Makefile.in (build/gencondmd.o): Update dependencies.
901
902 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
903
904         PR target/25961
905         * Makefile.in (insn-automata.o): Add header file dependencies.
906         * genautomata.c: Add includes.
907
908 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
909
910         PR target/25961
911         * Makefile.in (insn-automata.o): Add -Wno-error flag.
912
913 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
914
915         * configure.ac: Expect target tools paths to be passed from the toplevel
916         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
917         AS_SET_VAR_IF.
918         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
919
920 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
921
922         PR c/25892
923         * c.opt (Wpointer-sign): Init to -1.
924         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
925         OPT_pedantic, to 0 otherwise.
926         * doc/invoke.texi: Update.
927
928 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
929
930         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
931         constants provided by 80387 instructions in the destination mode.
932
933 2006-01-26  Richard Guenther  <rguenther@suse.de>
934             Andrew Pinski  <pinskia@physics.uc.edu>
935
936         PR tree-opt/21470
937         partial PR tree-opt/17064
938         * tree-ssa-structalias.c (intra_create_variable_infos):
939         Create heap variables for incoming parameters if
940         flag_argument_noalias > 1.
941         (find_what_p_points_to): Look through default defs of
942         parameter decls.
943
944 2006-01-26  Jeff Law  <law@redhat.com>
945
946         PR ada/25900
947         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
948         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
949         within the VR_RANGE, use the VR_RANGE as the result, not the
950         VR_ANTI_RANGE.
951         (adjust_range_with_scev): Reject ranges from SCEV which are out of
952         bounds for the type.
953
954 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
955
956         * tree-ssa-alias.c (maybe_create_global_var): Change
957         subvar walking to an assertion that we don't have subvar'd variables.
958
959 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
960
961         PR C/25861
962         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
963         Use a new variable, inner.  PARM_DECLs are always non-weak.
964
965 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
966
967         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
968         --disable-checking.
969
970 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
971
972         * config/mips/mips.md (*clear_upper32): New combiner pattern.
973
974 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
975
976         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
977         (smax_insn, smin_insn, smax_0, smin_0): New.
978
979 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
980
981         PR target/25947
982         * config/cris/cris.c (cris_order_for_addsi3): New function.
983         * config/cris/cris-protos.h: Prototype it.
984         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
985         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
986         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
987         (split for "op.S1 [rx=rx+i],ry (swapped)")
988         (split for "op(s|u).S1 [rx=rx+i],ry")
989         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
990         Apply cris_order_for_addsi3 when generating addsi3 insns.
991
992 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
993
994         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
995         (TREE_BLOCK): Add call to EXPR_CHECK.
996
997 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
998
999         PR 25886
1000         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1001         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1002         (dump_omp_clauses): ... here.
1003         (dump_generic_node): Handle OMP_CLAUSE.
1004         * tree.c (omp_clause_num_ops): New.
1005         (omp_clause_code_name): New.
1006         (tree_code_size): Handle OMP_CLAUSE.
1007         (tree_size): Likewise.
1008         (make_node): Document handling of OMP_CLAUSE.
1009         (tree_node_structure): Handle OMP_CLAUSE.
1010         (omp_clause_check_failed): New.
1011         (omp_clause_range_check_failed): New.
1012         (omp_clause_operand_check_failed): New.
1013         (build_omp_clause): New.
1014         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1015         * tree.h (enum omp_clause_code): Declare.
1016         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1017         (OMP_CLAUSE_RANGE_CHECK): Define.
1018         (OMP_CLAUSE_ELT_CHECK): Define.
1019         (omp_clause_check_failed): Declare.
1020         (omp_clause_operand_check_failed): Declare.
1021         (omp_clause_range_check_failed): Declare.
1022         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1023         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1024         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1025         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1026         (OMP_CLAUSE_IF_EXPR): Likewise.
1027         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1028         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1029         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1030         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1031         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1032         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1033         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1034         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1035         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1036         (OMP_CLAUSE_CODE): Define.
1037         (OMP_CLAUSE_SET_CODE): Define.
1038         (OMP_CLAUSE_CODE): Define.
1039         (OMP_CLAUSE_OPERAND): Define.
1040         (struct tree_omp_clause): Declare.
1041         (union tree_node): Add field 'omp_clause'.
1042         * treestruct.def (TS_OMP_CLAUSE): Define.
1043         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1044         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1045         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1046         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1047         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1048         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1049         (OMP_CLAUSE): Define.
1050         * print-tree.c (print_node): Handle OMP_CLAUSE.
1051         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1052         * c-typeck.c: Likewise.
1053         * gimplify.c: Likewise.
1054         * c-omp.c: Likewise.
1055         * tree-nested.c: Likewise.
1056         * tree-inline.c: Likewise.
1057         * c-parser.c: Likewise.
1058         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1059         clauses.
1060
1061 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1062
1063         PR rtl-optimization/25703
1064         * combine.c (try_combine): Handle zero_extract and strict_low_part
1065         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1066
1067 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1068
1069         * global.c: Fix comment typos.
1070
1071 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1072
1073         PR target/25758
1074         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1075         Use output_addr_const instead of assemble_name.
1076
1077 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1078
1079         * Makefile.in (sched-vis.o): Update dependencies.
1080         * haifa-sched.c (sched_finish): Clear current_sched_info.
1081         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1082         (dump_flow_info): Call it.
1083         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1084         a slim RTL dump.
1085         * basic-block.h (dump_bb_info): Declare.
1086         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1087         option, and apply options only for dump files whose TDF_RTL,
1088         TDF_TREE, or TDF_IPA bits match.
1089         * rtl.h: Declare new functions exported from sched-vis.c.
1090         * sched-vis.c: Enable also if scheduling is not used.
1091         (print_value): Print the mode of registers if not inside scheduling.
1092         (print_insn): Make it work outside the scheduler.  Beautify the output
1093         a bit.
1094         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1095
1096 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1097
1098         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1099         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1100         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1101         depending on the value of CONSTANT_POOL_ADDRESS_P.
1102         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1103         SYMBOL_REF_DECL.
1104         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1105         rather than SYMBOL_REF_DECL.
1106         (rtx_constant_pool): Remove const_rtx_sym_htab.
1107         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1108         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1109         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1110         Remove handling of const_rtx_sym_htab.
1111         (find_pool_constant): Delete.
1112         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1113         rather than find_pool_constant.
1114         (get_pool_constant_for_function): Delete.
1115         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1116         find_pool_constant.
1117         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1118         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1119         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1120         (SYMBOL_REF_CONSTANT): New macro.
1121         (get_pool_constant_for_function): Delete.
1122         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1123         rather than SYMBOL_REF_DECL.
1124         (i386_pe_mark_dllimport): Likewise.
1125         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1126         rather than SYMBOL_REF_DECL.
1127         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1128         (machopic_indirect_call_target): Likewise.
1129
1130 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1131
1132         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1133
1134 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1135
1136         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1137
1138 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1139
1140         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1141
1142 2006-01-24  David Daney  <ddaney@avtrex.com>
1143
1144         PR java/25816
1145         * configure.ac (enable_tls): New enable option.
1146         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1147         * configure: Regenerate.
1148         * doc/install.texi (--enable-tls): Document new option.
1149         (--disable-tls): Ditto.
1150
1151 2006-01-24  Richard Henderson  <rth@redehat.com>
1152
1153         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1154         * alias.c (true_dependence): Respect it.
1155         (canon_true_dependence, write_dependence_p): Likewise.
1156         * builtins.c (get_builtin_sync_mem): Set it.
1157
1158 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1159
1160         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1161         efficient way.
1162
1163 2006-01-24  DJ Delorie  <dj@redhat.com>
1164
1165         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1166         for storing constants in single-bit bitfields.
1167
1168 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1169
1170         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1171
1172 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1173
1174         PR tree-opt/25860
1175         * tree-ssa-pre.c (phi_translate): Return NULL
1176         for AGGREGATE_TYPE's.
1177
1178 2006-01-24  Zack Weinberg  <zackw@panix.com>
1179
1180         * genautomata.c (process_state_for_insn_equiv_partition):
1181         Use xcalloc for insn_arcs_array.
1182         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1183         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1184
1185 2006-01-24  Richard Henderson  <rth@redhat.com>
1186
1187         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1188         update all callers.
1189
1190 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1191
1192         PR rtl-optimization/25890
1193         PR rtl-optimization/25905
1194         * combine.c (expand_compound_operation, expand_field_assignment):
1195         Fail if the bitfield's final position is out of bounds.
1196
1197 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1198
1199         PR middle-end/25930
1200         * cgraphunit.c (cgraph_output_in_order): Don't clear
1201         cgraph_asm_nodes until after asm strings have been output.
1202
1203 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1204
1205         * fix-header.c (read_scan_file): Add new parameter imultilib when
1206         calling register_include_chains.
1207
1208 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1209
1210         * omp-low.c: Update documentation.
1211
1212 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1213             Daniel Berlin  <dberlin@dberlin.org>
1214
1215         PR tree-opt/25315
1216         PR tree-opt/25857
1217         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1218         return from the function.
1219
1220 2006-01-22  Zack Weinberg  <zackw@panix.com>
1221
1222         * rtl.def (match_code): Add second argument.
1223         * genpreds.c (write_extract_subexp): New function.
1224         (write_match_code): Add path argument.  Use write_extract_subexp.
1225         (write_predicate_expr): Pass path to write_match_code.
1226         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1227         not perform a mode test.
1228         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1229         a subexpression does not constrain the top-level code set.
1230         * read-rtl.c (read_rtx_variadic): New function.
1231         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1232         * doc/md.texi: Document new notation.
1233         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1234         (cmpsi_operand): ... here, using new notation.
1235
1236 2006-01-22  Zack Weinberg  <zackw@panix.com>
1237
1238         * varray.c: Remove GENERATOR_FILE #ifdefs.
1239
1240 2006-01-22  Zack Weinberg  <zackw@panix.com>
1241
1242         * genautomata.c (output_reserved_units_table): Emit nothing if
1243         description->query_units_num is zero.  Remove extra blank line.
1244         (output_cpu_unit_reservation_p): Short circuit
1245         if description->query_units_num is zero.
1246
1247 2006-01-22  Zack Weinberg  <zackw@panix.com>
1248
1249         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1250         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1251         nor any of the random handful of variables that used to be necessary
1252         when this program was linked with rtlanal.o.  Prune set of forward
1253         function declarations.
1254         (struct attr_desc): Remove static_p field.
1255         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1256         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1257         (attr_string): Do not read the character one past the length of
1258         the string.
1259         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1260         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1261         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1262         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1263         (make_automaton_attrs): New.
1264         (main): Do not call into genautomata.  Call local gen_bypass
1265         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1266         Remove special case for insn_alts.
1267         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1268         varray.h (leftover from previous change).  Prune set of forward
1269         function declarations.  Remove state_alts fields from all
1270         structures.  Remove state_alts_table from struct automaton.
1271         Make everything except main static.  Do not maintain num_dfa_decls.
1272         Do not maintain state_alts fields of various structures.
1273         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1274         (add_arc): Remove state_alts argument.  All callers updated.
1275         (output_reserved_units_table): Emit #ifdef here...
1276         (output_tables): ...not here.  Don't generate state_alts tables.
1277         (expand_automata): Don't generate attributes.
1278         (write_automata): Don't generate state_alts functions.
1279         (main): New function.
1280         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1281         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1282         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1283         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1284         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1285         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1286         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1287         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1288         Delete.
1289         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1290         * genattrtab.h: Delete file.
1291         * Makefile.in (OBJS-common): Add insn-automata.o.
1292         (insn-automata.o): New rule.
1293         (simple_generated_c): Add insn-automata.c.
1294         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1295         (genprogmd): Add automata.
1296         (build/genattrtab): Needs no extra objects nor libraries.
1297         (build/genautomata): Needs build/vec.o and -lm.
1298
1299 2006-01-22  Zack Weinberg  <zackw@panix.com>
1300
1301         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1302         (output_dfa_max_issue_rate, locked_states_num): Delete.
1303         (struct automaton): Add locked_states field.
1304         (output_dead_lock_vect): Save number of locked states in
1305         automaton->locked_states.  If it is zero, don't print anything.
1306         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1307         (output_internal_dead_lock_func): Only test the dead_lock_vect
1308         for automata that have locked states.
1309         (output_statistics): Always print the number of locked states for
1310         each automaton.  Calculate total number of locked states here.
1311         (write_automata): Don't call output_dfa_max_issue_rate.
1312         * genattrtab.c: Define length_unit_log as a const variable.
1313         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1314         max_insn_queue_index const.
1315         * final.c (length_unit_log): Declare const.
1316         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1317
1318 2006-01-22  Zack Weinberg  <zackw@panix.com>
1319
1320         * genautomata.c:  Include vec.h, not varray.h.
1321         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1322         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1323         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1324         VEC_* macros operating on appropriately typed vectors, or to
1325         malloced arrays when the size is known in advance.  Const-ify
1326         many char* variables and function arguments.  No functional changes.
1327         * Makefile.in (build/varray.o): Delete rule.
1328         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1329         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1330
1331 2006-01-22  Zack Weinberg  <zackw@panix.com>
1332
1333         * gensupport.c: Define get_insn_name and record_insn_name here.
1334         (read_md_rtx): Call record_insn_name as appropriate.
1335         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1336         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1337         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1338         record_insn_name.
1339         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1340         (BUILD_VARRAY): Delete.
1341         (genprognormal): Rename genprogmd.  Fold in all programs from
1342         genprognoprint; also attrtab.
1343         (build/genattrtab): Just mention genautomata.o and varray.o.
1344         Reorganize a bit, add comments to make the categories clearer.
1345
1346 2006-01-22  Zack Weinberg  <zackw@panix.com>
1347
1348         * genconditions.c (condition_table, add_condition): Delete.
1349         (write_conditions): Don't emit n_insn_conditions nor
1350         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1351         inside the table, with no #else clause ...
1352         (write_header): ...not here.
1353         (write_writer): New function.
1354         (main): Don't initialize condition_table.  Use add_c_test.
1355         Call write_writer.
1356         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1357         files on the command line.
1358         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1359         Return -1 if there is no entry in the table, don't abort.
1360         (add_c_test, traverse_c_tests): New functions.
1361         * gensupport.h (insn_elision_unavailable, insn_conditions)
1362         (n_insn_conditions): Delete declarations.
1363         (add_c_test, traverse_c_tests): Declare.
1364         * read-rtl.c: Include gensupport.h.
1365         (read_conditions): New function.
1366         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1367         (read_rtx_1): If we get EOF when we were looking for an initial
1368         open paren, return 0.  Call read_conditions when appropriate.
1369         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1370         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1371         or change them to build/gencondmd.o, as appropriate.  Remove
1372         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1373         from $(simple_generated_c).  For all files remaining in those
1374         two lists, add insn-conditions.md to the generator command line.
1375         Give insn-constants.h/s-constants their own rules.  Add rules
1376         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1377         (build/read-rtl.o): Depend on gensupport.h.
1378         (genprognormal): Include preds.
1379         (genprogearly): Rename genprognoprint; only difference is now that
1380         they don't link with $(BUILD_PRINT).
1381         * dummy-conditions.c: Delete.
1382
1383 2006-01-22  Zack Weinberg  <zackw@panix.com>
1384
1385         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1386         Declare vectors of int, char, and locstr.
1387         (locstr): New typedef.
1388         (struct extraction): Make all array fields into bare pointers.
1389         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1390         (insn_code_number): Delete.
1391         (accum_extract): New struct.
1392         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1393         (gen_insn): Take insn_code_number as an argument.  Use an
1394         accum_extract structure instead of loading data directly into
1395         a struct extraction, and having to know how big it might get.
1396         (walk_rtx): Operate entirely on an accum_extract structure.
1397         (print_path): Avoid unnecessary use of printf.
1398         (print_header): New function, split out of main.  Distinguish
1399         more carefully between an unrecognizable insn and an insn that
1400         has the code number of a define_expand.
1401         (main): Pass insn_code_number to gen_insn.  Call print_header
1402         only after parsing.  Avoid unnecessary use of printf.
1403         * Makefile.in (build/vec.o): New rule.
1404         (build/genextract): Depend on build/vec.o.
1405         (build/genextract.o): Don't depend on insn-config.h.
1406
1407 2006-01-22  Zack Weinberg  <zackw@panix.com>
1408
1409         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1410         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1411         practical.  Eliminate per-generator-program link rules.
1412
1413 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1414
1415         PR middle-end/24437
1416         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1417         with a call expr to ...
1418         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1419
1420 2006-01-23  Richard Guenther  <rguenther@suse.de>
1421
1422         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1423         before make_edge with conditional EDGE_TRUE_VALUE.
1424
1425 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1426         Jan Hubicka  <jh@suse.cz>
1427         Richard Guenther  <rguenther@suse.de>
1428
1429         PR rtl-optimization/25654
1430         * cfgexpand.c (aggregate_contains_union_type): New function.
1431         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1432         for structure variables that contain a union type.
1433
1434 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1435
1436         * gengtype.c (new_structure): Return the structure.
1437         (create_option): Add an extra "next" argument.
1438         (create_field): New function.
1439         (adjust_field_rtx_def): Use create_option and create_field.
1440         Remove a now-unnecessary call to find_structure.
1441         (adjust_field_tree_def): Likewise.
1442         (note_yacc_type): Remove an unnecessary call to find_structure.
1443         * gengtype.h (new_structure): Return the structure.
1444         (create_option): Add an extra argument.
1445         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1446         (option): Adjust calls to create_option.
1447
1448 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
1449
1450         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1451
1452 2006-01-22  Paul Brook  <paul@codesourcery.com>
1453         Peter Barada  <peter@the-baradas.com>
1454
1455         * config/m68k/m68k.md: Add Coldfire FPU support.
1456         Define FP mode macro and associated attributes.
1457         Use it for float mode patterns.
1458         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1459         (LIBCALL_VALUE): Use m68k_libcall_value.
1460         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1461         (m68k_function_value): Ditto.
1462         (emit_move_sequence): Ditto.
1463         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1464         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1465         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1466         (MULTILIB_EXCEPTIONS): Ditto.
1467         * config/m68k/m68k.opt: Add mcfv4e.
1468         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1469         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1470         (m68k_output_function_prologue): Save ColdFire FPU registers.
1471         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1472         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1473         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1474         ColdFire FPU registers.
1475         (m68k_libcall_value, m68k_function_value): New functions.
1476         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1477         (LIBCALL_VALUE): Use m68k_libcall_value.
1478         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1479         (MASK_COLDFIRE): Add MASK_CFV4E.
1480         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1481         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1482         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1483         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1484         (GO_IF_LEGITIMATE_ADDRESS): Use it.
1485         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1486         * doc/invoke.tex: Document -mcfv4e on m68k.
1487
1488 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1489
1490         * doc/contribute.texi: Change CVS to SVN and update the corresponding
1491         URL.
1492
1493 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1494
1495         PR c++/16190
1496         * c-opts.c (c_common_handle_option): Don't include
1497         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1498         * doc/invoke.texi (C++ Dialect Options): Document that
1499         -Wnon-virtual-dtor is no longer included in -Wall.
1500
1501 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
1502
1503         * gcov.c (print_version), gcov-dump.c (print_version),
1504         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1505         dates.
1506
1507 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1508
1509         * df-scan.c (problem_SCAN): Added NULL reset function.
1510         (df_scan_reset_blocks): Added code to call reset block function
1511         (df_bb_refs_delete) Fixed comment.
1512         (df_insn_refs_delete): Made tolerant of deleting non existent info
1513         for dataflow problems that need to be reset.
1514         * df-core.c (df_set_blocks): Ditto.
1515         * df.h (struct df_problem): Added reset_fun.
1516         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1517         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1518         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1519         functions to clear out all references to def-use or use-def chains.
1520
1521 2006-01-21  Ben Elliston  <bje@au.ibm.com>
1522
1523         * varasm.c (assemble_real): Initialise data array.
1524
1525 2006-01-20  Paul Brook  <paul@codesourcery.com>
1526
1527         Merge from csl-arm-branch.
1528         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1529         * config/arm/arm.md (movdi): Force operands[1] to a register
1530         if we have a non-register source.
1531         (*arm_movdi, *movdf_soft_insn): Require that one of the
1532         operands be a register.
1533         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1534         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1535
1536 2006-01-20  DJ Delorie  <dj@redhat.com>
1537
1538         * varasm.c (initialize_constant_valid_p): Allow pointers
1539         initialized from integer constants of lesser precision.
1540         (output_constant): Allow non-int-sized pointer modes to be
1541         initialized from integer constants.
1542
1543 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
1544
1545         PR libstdc++/25524
1546         * cppdefault.h (struct default_include): Add multilib flag.
1547         * cppdefault.c (cpp_include_defaults): Set it.
1548         * c.opt (-imultilib): New option.
1549         * c-opts.c (imultilib): New.
1550         (c_common_handle_option): Handle -imultilib.
1551         (c_common_post_options): Likewise.
1552         * c-incpath.c (add_standard_paths, register_include_chains):
1553         Likewise.
1554         * c-incpath.h (register_include_chains): Add extra parameter.
1555         * gcc.c (do_spec_1): Generate -imultilib option.
1556         (The Specs Language): Update %I description.
1557         (process_command): Update copyright notice.
1558         * doc/cppopts.texi (-imultilib): Document.
1559         * doc/invoke.texi (-imultilib): Include in option summary.
1560         (%I): Update specs documentation.
1561
1562 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1563
1564         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1565
1566 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
1567
1568         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1569         label numbers.
1570
1571 2006-01-20  Richard Guenther  <rguenther@suse.de>
1572         Steven Bosscher <stevenb.gcc@gmail.com>
1573
1574         PR rtl-optimization/24626
1575         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1576         EDGE_TRUE_VALUE if in RTL mode.
1577
1578         Revert
1579         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1580         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1581
1582 2006-01-20  Dirk Mueller  <dmueller@suse.com>
1583
1584         PR c++/5520
1585         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1586         instead of a special NOP marker.
1587         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1588         NOP marker handling.
1589         * c-common.h (empty_body_warning): Add forward declaration.
1590         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1591         Now uses IS_EMPTY_STMT() instead of special NOP markers.
1592
1593 2006-01-20  Paul Brook  <paul@codesourcery.com>
1594
1595         * Makefile.in (lang_checks): Keep going if mkdir fails.
1596
1597 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1598
1599         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1600         be able to clean out basic block when not necessary.
1601         (df_scan_free): Fixed to properly delete information if df is
1602         unused before calling df_finish.
1603         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1604         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1605         or comment typos.
1606         (df_bb_refs_delete): New function.
1607         (df_refs_delete): Moved per block code to df_bb_refs_delete.
1608         * df-core.c (df_set_blocks): Added code to properly clean out
1609         unused blocks if they are not part of the blocks to consider.
1610         Added additional null check.
1611         (df_compact_blocks): Added basic block parameter to free_bb_fun to
1612         be able to clean out basic block when not necessary
1613         * df.h (df_free_bb_function): Ditto.
1614         (df_bb_refs_delete): New function.
1615         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1616         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1617         basic block parameter to be able to clean out basic block when not
1618         necessary.
1619         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1620         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1621         Fixed to properly delete information if df is unused before
1622         calling df_finish.
1623
1624 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1625
1626         PR rtl-optimization/25799
1627         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1628         Corrected confluence operator to remove bits from op2 before oring
1629         with op1 rather than removing bits from op1.
1630         (df_ru_transfer_function): Corrected test on wrong bitmap which
1631         caused infinite loop.  Both of these problems were introduced in
1632         the dataflow rewrite.
1633
1634 2006-01-19  DJ Delorie  <dj@redhat.com>
1635
1636         * reload1.c (find_reload_regs): Note the details of reload
1637         failures in the dump file.
1638         (spill_failure): Likewise.
1639
1640 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1641
1642         * loop-iv.c: Include df.h and hashtab.h.
1643         (enum iv_grd_result): New enum.
1644         (DF_REF_IV, DF_REF_IV_SET): New macros.
1645         (struct biv_entry): New.
1646         (df, bivs): New global variables.
1647         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1648         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1649         Removed.
1650         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1651         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1652         analyzed_for_bivness_p, record_biv): New functions.
1653         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1654         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1655         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1656         UD chains.
1657         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1658         analysed.
1659         (iv_number_of_iterations): Use new interface to iv analysis.
1660         * loop-unroll.c: Do not include varray.h.
1661         (analyze_iv_to_split_insn): Use new interface to iv
1662         analysis.
1663         * loop-unswitch.c (may_unswitch_on): Ditto.
1664         * df.c (df_bitmaps_free): Only work for bbs for that structures are
1665         allocated.
1666         (df_bb_modify): Realloc tables to the new index.
1667         (df_find_use): New function.
1668         * df.h (df_find_use): Declare.
1669         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1670         outmode.
1671         * cfgloop.h (struct rtx_iv): Remove analysed field.
1672         (iv_get_reaching_def): Removed.
1673         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1674         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1675         (loop-iv.o): Add df.h and hashtab.h dependency.
1676         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1677
1678 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
1679
1680         PR target/25668
1681         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1682         Double TFmode.
1683         (__floatundisf, __floatundidf): Likewise.
1684         * libgcc2.h (IS_IBM_EXTENDED): Define.
1685
1686 2006-01-19  DJ Delorie  <dj@redhat.com>
1687
1688         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1689
1690 2006-01-19  Paul Brook  <paul@codesourcery.com>
1691
1692         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1693         as nothrow when unwinding tables are disabled.
1694
1695 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1696
1697         PR testsuite/25171
1698         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1699         of bit-field" when in system header.
1700
1701 2006-01-19  DJ Delorie  <dj@redhat.com>
1702
1703         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1704         the 16 bit shift limit of the m16c.
1705
1706 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
1707
1708         PR target/22099
1709         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1710         * config/i386/i386.c (output_set_got): Output the label if we have one
1711         for the TARGET_DEEP_BRANCH_PREDICTION case.
1712
1713 2006-01-19  Jan Hubicka  <jh@suse.cz>
1714             H.J. Lu  <hongjiu.lu@intel.com>
1715             Evandro Menezes <evandro.menezes@amd.com>
1716
1717         * invoke.texi (generic): Document
1718         (i686) Update.
1719         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1720         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1721         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1722         (x86_use_incdec, x86_pad_returns): New variables
1723         (TARGET_CPU_DEFAULT_generic): New constant
1724         (TARGET_CPU_DEFAULT_NAMES): Add generic.
1725         (enum processor_type): Add generic32 and generic64.
1726         * i386.md (cpu attribute): Add generic32/generic64
1727         (movhi splitter): Behave sanely when both partial_reg_dependency and
1728         partial_reg_stall are set.
1729         (K8 splitters): Enable for generic as well.
1730         * predicates.md (incdec_operand): Use TARGET_INCDEC
1731         (aligned_operand): Avoid memory mismatch stalls.
1732         * athlon.md: Enable for generic64, new patterns for 128bit moves.
1733         * ppro.md: Enable for generic32
1734         * i386.c (generic64_cost, generic32_cost): New.
1735         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1736         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
1737         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
1738         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1739         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1740         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1741         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1742         x86_accumulate_outgoing_args, x86_prologue_using_move,
1743         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1744         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1745         Enable for generic.
1746         (x86_use_incdec, x86_pad_returns): New.
1747         (override_options): Add generic32 and generic64, translate "generic"
1748         to generic32/generic64 and "i686" to "generic32", refuse
1749         "generic32"/"generic64" as arch target.
1750         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1751         (ix86_reorg): Honor PAD_RETURNS.
1752
1753 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
1754
1755         * tree-pretty-print.c (dump_generic_node): Handle
1756         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1757         * cgraph.c (cgraph_expand_queue): Rename from
1758         cgraph_analyze_queue.  Update all users.
1759         * cgraphunit.c (cgraph_assemble_pending_functions): Process
1760         cgraph_expand_queue.
1761         (cgraph_expand_all_functions): Likewise.
1762         (cgraph_finalize_pending_functions): Remove.  Update callers.
1763
1764         * tree.h (OMP_DIRECTIVE_P): Define.
1765         (OMP_PARALLEL_FN): Define.
1766         (OMP_PARALLEL_DATA_ARG): Define.
1767         (OMP_SECTIONS_SECTIONS): Define.
1768         * tree-pass.h (pass_expand_omp): Declare.
1769         * omp-low.c (struct omp_region): Declare.
1770         (struct omp_context): Remove fields 'parallel_type',
1771         'parallel_start_ix' and 'parallel_start_additional_args'.
1772         Update all users.
1773         (struct omp_for_data): Rename from struct expand_omp_for_data.
1774         (omp_regions): New static variable.
1775         (root_omp_region): New static variable.
1776         (find_omp_clause): Make static.
1777         (is_in_combined_parallel_ctx): Remove.
1778         (is_combined_parallel): New.
1779         (extract_omp_for_data): Move earlier in the file.
1780         (workshare_safe_to_combine_p): New.
1781         (get_ws_args_for): New.
1782         (determine_parallel_type): Move earlier in the file.
1783         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1784         child function.
1785         (omp_copy_decl): Likewise.
1786         (create_omp_child_function): Likewise.
1787         (lookup_omp_region): New.
1788         (dump_omp_region): New.
1789         (debug_omp_region): New.
1790         (debug_all_omp_regions): New.
1791         (new_omp_region): New.
1792         (scan_omp_parallel): If parallel_nesting_level > 1, the
1793         directive is nested within another parallel directive.
1794         Set OMP_PARALLEL_FN.
1795         (scan_omp_for): Do not try to handle combined parallel+for
1796         cases.
1797         Remove FIXME comment.
1798         (scan_omp_nested): Remove.
1799         (scan_omp_1): Do not call scan_omp_nested when
1800         parallel_nesting_level is > 1.
1801         Do not change the DECL_CONTEXT of local variables found.
1802         (lookup_decl_in_outer_ctx): New.
1803         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1804         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1805         (lower_reduction_clauses): Rename from expand_reduction_clauses.
1806         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1807         If CTX is nested, lookup VAR in the outer context when
1808         building copy assignment.
1809         (lower_send_clauses): Rename from expand_send_clauses.
1810         If CTX is nested, lookup VAR in the outer context when
1811         building copy assignments.
1812         (lower_send_shared_vars): Rename from expand_send_shared_vars.
1813         If CTX is nested, lookup VAR in the outer context when
1814         building copy assignments.
1815         (expand_parallel_call): Rename from build_parallel_call.
1816         Handle combined parallel+workshare cases.
1817         Re-implement to emit code into the CFG.
1818         (list2chain): New.
1819         (expand_omp_parallel): Re-implement to emit code into the CFG.
1820         Call move_sese_region_to_fn to outline the sub-graph
1821         containing the parallel region.
1822         (expand_omp_for_1): Remove.
1823         (expand_omp_for_generic): Re-implement to emit code into the
1824         CFG.
1825         (expand_omp_for_static_nochunk): Likewise.
1826         (expand_omp_for_static_chunk): Likewise.
1827         (expand_omp_for): Likewise.
1828         (expand_omp_sections): Likewise.
1829         (remove_exit_barriers): New.
1830         (expand_omp_synch): New.
1831         (expand_omp): New.
1832         (build_omp_regions_1): New.
1833         (build_omp_regions): New.
1834         (execute_expand_omp): New.
1835         (gate_expand_omp): New.
1836         (pass_expand_omp): Define.
1837         (lower_omp_sections): Rename from expand_omp_sections.
1838         Set OMP_SECTIONS_SECTIONS.
1839         (lower_omp_single_simple): Rename from expand_omp_single_simple.
1840         (lower_omp_single_copy): Rename from expand_omp_single_copy.
1841         (lower_omp_single): Rename from expand_omp_simple.
1842         (lower_omp_master): Rename from expand_omp_master.
1843         (lower_omp_ordered): Rename from expand_omp_ordered.
1844         (lower_omp_critical): Rename from expand_omp_critical.
1845         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1846         (lower_omp_for): Re-implement.
1847         (lower_omp_parallel): Re-implement.
1848         (lower_regimplify): Rename from expand_regimplify.
1849         (lower_omp_1): Rename from expand_omp_1.
1850         If there are syntax errors in the program, replace every
1851         OpenMP directive with NOP.
1852         Call lower_omp_* instead of expand_omp_*.
1853         (lower_omp): Rename from expand_omp.
1854
1855         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1856         * tree-gimple.h (enum omp_parallel_type): Remove.
1857         (gimple_boolify): Declare extern.
1858         (find_omp_clause, determine_parallel_type): Remove.
1859
1860         * gimple-low.c (lower_omp_directive): New.
1861         (lower_stmt): Call it.
1862         (record_vars_into): Move from ...
1863         (record_vars): ... here.
1864         Call record_vars_into with current_function_decl.
1865
1866         * gimplify.c (struct gimplify_ctx): Remove fields
1867         combined_pre_p and combined_ctxp.  Update users.
1868         (get_formal_tmp_var): Add documentation.
1869         (gimple_boolify): Make extern.
1870         (gimplify_expr_in_ctx): Remove.  Update callers.
1871         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1872         will always be a BIND_EXPR.
1873         (gimplify_expr): Handle OMP_RETURN_EXPR.
1874         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1875         (OMP_PARALLEL): Add 3 operands.
1876         (OMP_SECTIONS): Add 1 operand.
1877         (OMP_RETURN_EXPR): Define.
1878
1879         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1880         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1881         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1882         creating a circular free list.
1883         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1884
1885         * tree-flow.h (move_sese_region_to_fn): Declare.
1886         (record_vars_into): Declare.
1887         * tree-cfg.c (make_omp_sections_edges): New.
1888         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1889         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1890         OMP_SECTIONS and OMP_SECTION.
1891         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1892         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1893         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1894         (gather_blocks_in_sese_region): New.
1895         (struct move_stmt_d): Declare.
1896         (move_stmt_r): New.
1897         (move_block_to_fn): New.
1898         (move_sese_region_to_fn): New.
1899
1900         * passes.c (init_optimization_passes): Schedule
1901         pass_expand_omp after pass_init_datastructures.
1902
1903         * tree-ssa-operands.c (get_expr_operands): Handle
1904         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1905         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1906
1907 2006-01-19  Jeff Law  <law@redhat.com>
1908
1909         * tree-vrp.c (extract_range_from_assert): Refine the result range
1910         if the variable referenced by the ASSERT_EXPR has a range and
1911         either the tentative result range or the previous range is a
1912         VR_ANTI_RANGE.
1913
1914 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1915
1916         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1917
1918 2006-01-19  Jan Hubicka  <jh@suse.cz>
1919
1920         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1921
1922 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1923
1924         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1925         (expand_compound_operation, expand_field_assignment): Fail if the
1926         bit lengths of an extract operation are out of range.
1927         (make_extraction): Compute wanted_inner_mode based on the position
1928         and length of the extraction.  Make it extraction_mode for non-constant
1929         positions, and do not modify offset in that case.  When generating a
1930         new MEM, use a mode that can hold the extraction while keeping correct
1931         alignment.  Remove code that supported MEMs wrapped by USEs.
1932         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1933
1934 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1935
1936         * config/s390/s390.md ("Y", "y"): New mode attribute.
1937         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1938         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1939         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1940         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1941         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1942         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1943         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1944         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1945         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1946         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1947         "addsi3", "subsi3"): Insn patterns removed.
1948         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1949         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1950         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1951         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1952         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1953         "*sub<mode>3_cconly2"): New insn patterns.
1954         ("addsi3", "subsi3"): New expanders.
1955
1956 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1957
1958         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1959         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1960         existing STMT_VINFO_VECTYPE if available.
1961         (vect_mark_relevant): Add special handling for stmts that are
1962         marked as STMT_VINFO_IN_PATTERN_P.
1963         (vect_analyze_loop): Call vect_pattern_recog.
1964         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1965         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1966         stmt_info.
1967         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1968         (vect_recog_func_ptr): New function-pointer type.
1969         * tree-vect-patterns.c: New file.
1970         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1971         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1972         (vect_pattern_recog_1): New functions.
1973         (vect_pattern_recog_funcs): New array of function pointers.
1974
1975         * tree-vectorizer.h (ternary_op): New enum value.
1976         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1977         declaration. Revised documentation. Removed redundant dump prints.
1978         Removed redundant argument. Added support for reduction patterns.
1979         (vectorizable_reduction): Added support for reduction patterns.
1980         (vect_transform_stmt): Added support for patterns.
1981
1982         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1983         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1984         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1985         (expand_widen_pattern_expr): New function.
1986         (init_optabs): Initialize new optabs udot_prod_optab,
1987         sdot_prod_optab.
1988         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1989         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1990         (expand_widen_pattern_expr): New function declaration.
1991         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1992         tree-codes.
1993         * tree-inline.c (estimate_num_insns_1): Added cases for new
1994         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1995         * tree-pretty-print.c (dump_generic_node): Likewise.
1996         (op_prio): Likewise.
1997         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1998         * tree-ssa-operands.c (get_expr_operands): Added case for
1999         DOT_PROD_EXPR.
2000         * tree-vect-patterns.c (widened_name_p): New function.
2001         (vect_recog_dot_prod_pattern): Added function implementation.
2002         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2003         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2004         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2005         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2006
2007         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2008         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2009         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2010         (init_optabs): Initialize new optabs widen_ssum_optab,
2011         widen_usum_optab.
2012         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2013         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2014         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2015         use instead of type of def.
2016         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2017         function implementation.
2018         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2019         widen_ssumv8hi): New.
2020
2021         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2022         patterns.
2023
2024 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2025
2026         PR c/25805
2027         * c-decl.c (add_flexible_array_elts_to_size): New function.
2028         (finish_decl): Use it.
2029
2030 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2031
2032         * diagnostic.h: Include options.h.
2033         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2034         dependancies for diagnostic.h.
2035         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2036
2037 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2038
2039         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2040         (ssa_ro_call_cache_valid): Ditto.
2041         * tree-ssa-alias.c (sort_tags_by_id): New function.
2042         (init_transitive_clobber_worklist): Ditto.
2043         (add_to_worklist): Ditto.
2044         (mark_aliases_call_clobbered): Ditto.
2045         (compute_tag_properties): Ditto.
2046         (set_initial_properties): Ditto.
2047         (compute_call_clobbered): Ditto.
2048         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2049         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2050         (compute_flow_insensitive_aliasing): Grouping now happens in our
2051         caller.
2052         (setup_pointers_and_addressables): Remove clobbering related code.
2053         (add_may_alias): Ditto.
2054         (replace_may_alias): Ditto.
2055         (get_nmt_for): Ditto.
2056         (create_global_var):
2057         (is_escape_site): Return an escape_type enumeration.
2058         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2059         imply call clobbered.
2060         (mark_call_clobbered): Take a reason for marking this. Remove
2061         marking of globalness, and cache invalidation.
2062         (clear_call_clobbered): Remove cache invalidation code.
2063         * tree-dfa.c (dump_variable): If details is on, dump the reason
2064         for escaping.
2065         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2066         variable.
2067         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2068         (struct var_ann_d): Ditto.
2069         (enum escape_type): New.
2070         (mark_call_clobbered): Adjust prototype.
2071         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2072         are never call clobbered.
2073         Record reasons for escaping.
2074         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2075         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2076         (ssa_ro_call_cache_valid): Ditto.
2077         (clobbered_v_may_defs): Ditto.
2078         (clobbered_vuses): Ditto.
2079         (ro_call_vuses): Ditto.
2080         (clobber_stats): New.
2081         (init_ssa_operands): Zero out clobber stats.
2082         (fini_ssa_operands): Print out clobber stats.
2083         (get_call_expr_operands): Pass callee fndecl to
2084         add_call_read_ops).
2085         (add_call_clobber_ops): Remove use of cache.
2086         Add use of PURE_CONST information.
2087         (add_call_read_ops): Remove use of cache.
2088         Add use of static not_read information.
2089
2090 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2091
2092         Introduce TLS descriptors for i386 and x86_64.
2093         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2094         (TARGET_ANY_GNU_TLS): New macro.
2095         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2096         (struct machine_function): Add tls_descriptor_call_expanded_p.
2097         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2098         (ix86_current_function_calls_tls_descriptor): Likewise.
2099         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2100         (override_options): Introduce gnu2 tls dialect.
2101         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2102         not leaves.
2103         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2104         Likewise.
2105         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2106         (ix86_init_machine_status): Initialize new field.
2107         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2108         (ix86_tls_module_base): New.
2109         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2110         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2111         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2112         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2113         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2114         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2115         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2116         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2117         * config/i386/predicates.md (tls_modbase_operand): New.
2118         (tp_or_register_operand): New.
2119
2120 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2121
2122         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2123         (look_for_address_of): Ditto.
2124         (ipa_init): Walk the function decls.
2125         (static_execute): Don't set readonly on FUNCTION_DECL's.
2126
2127 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2128
2129         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2130         for shifts where the source and destination registers are different.
2131
2132 2006-01-18  Paul Brook  <paul@codesourcery.com>
2133
2134         Merge from csl-arm-branch.
2135         2005-03-14  Julian Brown  <julian@codesourcery.com>
2136         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2137         (aeabi_llsl): Likewise.
2138         (ashrdi3): Likewise.
2139         (aeabi_lasr): Likewise.
2140         (lshrdi3): Likewise.
2141         (aeabi_llsr): Likewise.
2142         2005-03-10  Julian Brown  <julian@codesourcery.com>
2143         * config.gcc: Disable shared libgcc for SymbianOS.
2144         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2145
2146 2006-01-18  DJ Delorie  <dj@redhat.com>
2147
2148         * c-pragma.c (handle_pragma_diagnostic): New.
2149         (init_pragma): Register it.
2150         * doc/extend.texi: Document it.
2151
2152         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2153         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2154         (diagnostic_context): Add classify_diagnostic[].
2155         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2156         as errors if they're overridden to DK_WARNING.
2157         (diagnostic_initialize): Initialize classify_diagnostic[].
2158         (diagnostic_set_kind_override): New.
2159         (diagnostic_report_diagnostic): Check for kind changes.
2160         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2161         Handle OPT_Werror_.
2162         * common.opt (Werror=): New.
2163         * doc/invoke.texi: Document -Werror=*
2164
2165 2006-01-18  Jeff Law  <law@redhat.com>
2166
2167         * tree-vrp.c (test_for_singularity): Correct test for new
2168         min limit.  Use operand_equal_p rather than pointer equality
2169         for testing if new min/max values are equal.
2170
2171         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2172         using range information until after propagation and folding.
2173
2174 2006-01-18  Richard Henderson  <rth@redhat.com>
2175             Aldy Hernandez  <aldyh@redhat.com>
2176             Jakub Jelinek  <jakub@redhat.com>
2177             Diego Novillo  <dnovillo@redhat.com>
2178
2179         * omp-low.c: New file.
2180         * c-omp.c: New file.
2181
2182 2006-01-18  Richard Henderson  <rth@redhat.com>
2183             Jakub Jelinek  <jakub@redhat.com>
2184             Diego Novillo  <dnovillo@redhat.com>
2185
2186         * doc/invoke.texi: Document -fopenmp.
2187         * tree-dump.h (debug_function): Declare.
2188         * hooks.c (hook_bool_tree_bool_false): New function.
2189         (hook_tree_tree_null): Remove.
2190         (hook_tree_tree_tree_null): New.
2191         * hooks.h: Update to match.
2192         * tree-pretty-print.c (debug_tree_chain): New.
2193         (print_generic_expr): Handle TDF_CHAIN.
2194         (dump_generic_node): Handle BLOCK.
2195         Do not abort with incomplete SWITCH_EXPRs.
2196         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2197         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2198         print space after directive name.
2199         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2200         Handle OMP_MASTER and OMP_ORDERED.
2201         Handle printing of OMP_BODY just in one place, goto
2202         dump_omp_body in the rest of OMP_* nodes that have
2203         OMP_BODY.
2204         Don't handle clause nodes here.  Update omp statements to
2205         use dump_omp_clauses.
2206         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2207         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2208         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2209         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2210         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2211         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2212         Adjust output for GOMP_PARALLEL.
2213         (dump_omp_clauses): New.
2214         (print_declaration): Dump DECL_VALUE_EXPR.
2215         (op_symbol_1): Split out of op_symbol.
2216         (dumping_stmts): Remove.  Update all users.
2217         * cgraph.c (cgraph_analyze_queue): New.
2218         (cgraph_add_new_function): New.
2219         * cgraph.h (cgraph_analyze_queue): Declare.
2220         (cgraph_add_new_function): Declare.
2221         (cgraph_lower_function): Remove.
2222         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2223         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2224         and TYPE_P nodes in its default clause.
2225         (empty_body_p): New.
2226         (tree_range_check_failed): New.
2227         (build5_stat): New.
2228         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2229         OMP_CLAUSE_REDUCTION_MERGE,
2230         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2231         OMP_CLAUSE_PRIVATE_DEBUG,
2232         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2233         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2234         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2235         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2236         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2237         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2238         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2239         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2240         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2241         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2242         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2243         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2244         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2245         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2246         (TREE_RANGE_CHECK): New.
2247         (empty_body_p): Declare.
2248         (enum omp_clause_default_kind): New.
2249         (build_string_literal): Declare.
2250         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2251         (build5_stat, build5): Declare.
2252         * tree-pass.h (TDF_CHAIN): Define.
2253         * tree-pass.h (PROP_gimple_lomp): Define.
2254         (pass_lower_omp): Declare.
2255         * diagnostic.h (debug_tree_chain): Declare.
2256         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2257         mode_for_size.
2258         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2259         * builtins.c (build_string_literal): Make extern.
2260         * gcc.c (include_spec_function): New.
2261         (static_spec_functions): Add it.
2262         (main): Move load of libgomp.spec ...
2263         (LINK_COMMAND_SPEC): ... here.
2264         (link_gomp_spec): New.
2265         (static_specs): Include it.
2266         (LINK_COMMAND_SPEC): Add link_gomp.
2267         (GOMP_SELF_SPECS): New.
2268         (driver_self_specs): Include it.
2269         (switch_matches): Don't mark inline.
2270         (main): Load libgomp.spec.
2271         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2272         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2273         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2274         * tree-gimple.h (enum omp_parallel): Declare.
2275         (determine_parallel_type): Declare.
2276         (omp_firstprivatize_variable): Declare.
2277         (omp_reduction_init): Declare.
2278         (diagnose_omp_structured_block_errors): Declare.
2279         (struct walk_stmt_info): Add want_return_expr.
2280         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2281         (find_omp_clause): Declare.
2282         (insert_field_into_struct): Declare.
2283         (struct walk_stmt_info): Move from tree-nested.c
2284         (walk_stmts): Declare.
2285         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2286         to 200505.
2287         * cgraphunit.c (cgraph_lower_function): Make static.
2288         (cgraph_finalize_pending_functions): New.
2289         (cgraph_finalize_function): Call it.
2290         (cgraph_finalize_compilation_unit): Likewise.
2291         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2292         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2293         (BT_FN_UINT_UINT): New.
2294         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2295         DEF_FUNCTION_TYPE_VAR_4): Document.
2296         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2297         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2298         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2299         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2300         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2301         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2302         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2303         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2304         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2305         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2306         into separate files.
2307         (DEF_GOMP_BUILTIN): New.
2308         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2309         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2310         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2311         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2312         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2313         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2314         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2315         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2316         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2317         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2318         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2319         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2320         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2321         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2322         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2323         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2324         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2325         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2326         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2327         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2328         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2329         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2330         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2331         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2332         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2333         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2334         * sync-builtins.def: New file, moved from builtins.def.
2335         * omp-builtins.def: New file, moved from builtins.def.
2336         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2337         * gimple-low.c (lower_function_body): Clear data.
2338         (lower_stmt): Do not handle COMPOUND_EXPR.
2339         Remove call to print_node_brief.
2340         * c-tree.h (c_finish_omp_clauses): New prototype.
2341         (C_DECL_THREADPRIVATE_P): Define.
2342         (lookup_name_no_remap, c_omp_remap_private): Remove
2343         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2344         (check_for_loop_decls): Update decl.
2345         (lookup_name_no_remap, c_omp_remap_private): Declare.
2346         (build_indirect_ref, build_modify_expr, pushdecl,
2347         pushdecl_top_level): Move to c-common.h.
2348         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2349         before the switch, but just in the 2 places that need it.
2350         * c-decl.c (diagnose_mismatched_decls): Do not check for
2351         mismatched thread-local attributes when OLDDECL is marked
2352         threadprivate and NEWDECL has no thread-local attributes.
2353         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2354         (c_gimple_diagnostics_recursively): Rename from
2355         c_warn_unused_result_recursively.  Invoke
2356         diagnose_omp_structured_block_errors.
2357         (check_for_loop_decls): Return a singular decl found.
2358         * langhooks.c (lhd_omp_predetermined_sharing): Return
2359         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2360         (lhd_omp_firstprivatize_type_sizes): New.
2361         (lhd_omp_assignment): New.
2362         (lhd_omp_predetermined_sharing): New.
2363         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2364         (struct lang_hooks_for_types): Add
2365         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2366         omp_predetermined_sharing, omp_disregard_value_expr,
2367         omp_private_debug_clause, omp_clause_default_ctor,
2368         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2369         (c_finish_omp_clauses): New.
2370         (c_finish_bc_stmt): Diagnose break within omp for.
2371         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2372         (build_unary_op): Return error_mark after reporting
2373         a readonly_error.
2374         (build_modify_expr): Likewise.
2375         * gimplify.c: Include optabs.h and pointer-set.h.
2376         (enum gimplify_omp_var_data): Declare.
2377         (struct gimplify_omp_ctx): Declare.
2378         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2379         and combined_ctxp.
2380         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2381         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2382         (splay_tree_compare_decl_uid): New.
2383         (new_omp_context): New.
2384         (delete_omp_context): New.
2385         (gimple_add_tmp_var): Call omp_add_variable.
2386         (gimplify_bind_expr): Likewise.
2387         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2388         true, disregard DECL_VALUE_EXPR on the decl if any.
2389         (gimplify_expr_in_ctx): New.
2390         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2391         omp_add_variable, omp_notice_variable, omp_is_private
2392         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2393         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2394         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2395         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2396         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2397         gimplify_omp_atomic): New.
2398         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2399         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2400         OMP_CRITICAL and OMP_ATOMIC.
2401         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2402         * c-pragma.h (enum pragma_kind): Add
2403         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2404         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2405         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2406         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2407         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2408         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2409         PRAGMA_OMP_THREADPRIVATE.
2410         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2411         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2412         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2413         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2414         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2415         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2416         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2417         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2418         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2419         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2420         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2421         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2422         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2423         OpenMP directives.
2424         (struct nesting_info): Add field_map,
2425         suppress_expansion, debug_var_chain.
2426         (create_nesting_tree): Initialize them.
2427         (lookup_field_for_decl): Use field_map.
2428         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2429         (convert_local_omp_clauses): New.
2430         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2431         (walk_body): Split out of walk_function.
2432         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2433         (convert_nonlocal_reference): Handle omp statements.
2434         (convert_local_reference): Likewise.
2435         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2436         (unnest_nesting_tree): New.
2437         (lower_nested_functions): Call it.
2438         (insert_field_into_struct): Make extern.
2439         (struct walk_stmt_info): Move to tree-gimple.h.
2440         (walk_stmts): Make extern.
2441         * omp-builtins.def: New file.
2442         * tree-iterator.c (expr_only): Clarify comment.
2443         * c-common.h (pushdecl_top_level, pushdecl,
2444         build_modify_expr, build_indirect_ref,
2445         c_finish_omp_master, c_finish_omp_critical,
2446         c_finish_omp_ordered, c_finish_omp_barrier,
2447         c_finish_omp_atomic, c_finish_omp_flush,
2448         c_finish_omp_for, c_split_parallel_clauses,
2449         omp_clause_default_kind, c_omp_sharing_predetermined,
2450         c_omp_remap_decl): Declare.
2451         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2452         (OBJS-common): Add omp-low.o.
2453         (c-omp.o, omp-low.o): Add.
2454         (gimplify.o): Add dependency on $(OPTABS_H).
2455         (GTFILES): Add omp-low.c.
2456         (gt-stringpool.h): Add.
2457         * tree-cfg.c (set_bb_for_stmt): Do not update the
2458         block-to-labels map if we are currently expanding to RTL.
2459         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2460         checks.
2461         Handle IDENTIFIER_NODE.
2462         (tree_verify_flow_info): Do not ICE when emitting error
2463         messages about invalid labels.
2464         (dump_function_to_file): Reset CFUN before emitting the body
2465         of the function.
2466         (debug_function): New.
2467         * passes.c (init_optimization_passes): Schedule
2468         pass_lower_omp.
2469         * langhooks-def.h (lhd_omp_predetermined_sharing,
2470         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2471         Declare.
2472         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2473         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2474         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2475         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2476         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2477         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2478         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2479         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2480         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2481         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2482         (LANG_HOOK_DECLS): Use them.
2483
2484 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2485             Richard Henderson  <rth@redhat.com>
2486             Jakub Jelinek  <jakub@redhat.com>
2487             Diego Novillo  <dnovillo@redhat.com>
2488
2489         * c-parser.c (pragma_omp_clause): Define.
2490         (c_parser_declaration_or_fndef): Document OpenMP syntax.
2491         (c_parser_compound_statement): Likewise.
2492         (c_parser_statement): Likewise.
2493         (c_parser_pragma): Handle omp pragmas.
2494         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2495         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2496         (c_parser_omp_clause_name, check_no_duplicate_clause,
2497         c_parser_omp_variable_list,
2498         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2499         c_parser_omp_clause_copyprivate,
2500         c_parser_omp_clause_default,
2501         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2502         c_parser_omp_clause_lastprivate,
2503         c_parser_omp_clause_nowait,
2504         c_parser_omp_clause_num_threads,
2505         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2506         c_parser_omp_clause_reduction,
2507         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2508         c_parser_omp_all_clauses, c_parser_omp_structured_block,
2509         c_parser_omp_atomic, c_parser_omp_barrier,
2510         c_parser_omp_critical, c_parser_omp_flush,
2511         c_parser_omp_for_loop, c_parser_omp_for,
2512         c_parser_omp_master, c_parser_omp_ordered,
2513         c_parser_omp_sections_scope, c_parser_omp_sections,
2514         c_parser_omp_parallel, c_parser_omp_single,
2515         c_parser_omp_construct, c_parser_omp_threadprivate): New.
2516         * c-pragma.c (init_pragma): Do omp pragma registration here.
2517         * c.opt (fopenmp): New flag.
2518
2519 2006-01-18  Eric Christopher  <echristo@apple.com>
2520
2521         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2522         * config/darwin.h (GOMP_SELF_SPECS): Define.
2523
2524 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2525
2526         * rtl.h: Remove the prototype for reg_alloc.
2527
2528 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2529
2530         PR target/25731
2531         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2532         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2533         sjlj and dwarf2 exception handling.
2534         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2535         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2536         * pa/pa.c (function_value): Treat complex and vector types as
2537         aggregates.
2538         (function_arg): Likewise.  Only pass scalar floats in the floating
2539         point argument registers.
2540         * pa/t-slibgcc-dwarf-ver: New file.
2541         * pa/t-slibgcc-sjlj-ver: New file.
2542         * pa/t-slibgcc-elf-ver: Delete file.
2543
2544 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
2545
2546         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2547         unlikely_test_section_p test.
2548
2549 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2550
2551         * mode-switching.c (optimize_mode_switching): Make it static.
2552         * basic-block.h: Remove the prototype for
2553         optimize_mode_switching.
2554
2555         * modulo-sched.c (sms_schedule): Make it static.
2556         * rtl.h: Remove the prototype for sms_schedule.
2557
2558         * postreload-gcse.c (gcse_after_reload_main): Make it static.
2559         * rtl.h: Remove the prototype for gcse_after_reload_main.
2560
2561         * reg-stack.c (reg_to_stack): Make it static.
2562         * rtl.h: Remove the prototype for reg_to_stack.
2563
2564         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2565         Make them static.
2566         * rtl.h: Remove the prototypes for regrename_optimize and
2567         copyprop_hardreg_forward.
2568
2569 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2570
2571         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2572         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
2573         Test against the appropriate null constant for the mode.
2574         If 'fixup_overlap' is true, swap the operands if they overlap.
2575         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2576         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2577         alpha_split_tmode_pair and adjust for above change.
2578         * config/alpha/alpha.md (movtf_internal): Adjust call to
2579         alpha_split_tfmode_pair and rely on it to swap the operands.
2580         (movti_internal): New insn and post-reload splitter.
2581         (movti): New expander.
2582
2583 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
2584
2585         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2586         operands.
2587
2588 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2589
2590         * rtlanal.c (global_reg_mentioned_p_1,
2591         global_reg_mentioned_p): Remove.
2592         * rtl.h: Remove the prototype for global_reg_mentioned_p.
2593
2594         * flow.c (initialize_uninitialized_subregs): Make it static.
2595         * rtl.h: Remove the prototype for
2596         initialize_uninitialized_subregs.
2597
2598         * function.c (instantiate_virtual_regs): Make it static.
2599         * function.h: Remove the prototype for
2600         instantiate_virtual_regs.
2601
2602         * regmove.c (regmove_optimize, combine_stack_adjustments):
2603         Make them static.
2604         * rtl.h: Remove the prototypes for regmove_optimize and
2605         combine_stack_adjustments.
2606
2607 2006-01-17  Roger Sayle  <roger@eyesopen.com>
2608
2609         * config/i386/i386.c (COSTS_N_BYTES): New macro.
2610         (size_cost): Encode costs in bytes so that a reg-reg addition is
2611         equivalent to COSTS_N_INSNS(1).
2612         (override_options): Use the size_cost.branch_cost as the default
2613         ix86_branch_cost when optimizing for size.
2614
2615 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2616
2617         * Makefile.in (D32PBIT_FUNCS): New.
2618         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2619         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2620         D64PBIT_FUNCS and D128PBIT_FUNCS.
2621         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2622         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2623         D128PBIT are set.
2624         (decnumber_dep): Define.
2625         * doc/libgcc.texi (Decimal float library routines): New node.
2626         * config/dfp-bit.h, config/dfp-bit.c: New files.
2627
2628 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2629
2630         * expr.c (emit_move_change_mode): Always adjust addresses, not
2631         just during reload.  Copy replacements only during reload.
2632         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2633         emit_move_via_integer.
2634
2635 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
2636
2637         * Makefile.in (check-%, check-consistency): Use $${srcdir}
2638         instead of $(srcdir) and ${srcdir}.
2639
2640 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
2641
2642         PR target/592
2643         PR middle-end/11135
2644         * arm.h (struct machine_function): Add pic_reg.
2645         * arm.c (arm_pic_register): Make unsigned.
2646         (arm_override_options): Only set arm_pic_register if
2647         TARGET_SINGLE_PIC_BASE.
2648         (use_return_insn): Only test for a pic register if it is fixed.
2649         (arm_compute_save_reg0_reg12_mask): Likewise.
2650         (thumb_compute_save_reg_mask): Likewise.
2651         (legitimate_pic_operand): Factor out some known invariants.
2652         (legitimize_pic_address): If we don't have a fixed pic register,
2653         then set up a pseudo in the function entry sequence.  Handle the
2654         pic base being in a pseudo.
2655         (arm_load_pic_register): Handle the pic register being in a pseudo.
2656         (arm_expand_prologue): Only set up the pic register if it is fixed.
2657         (thumb_expand_prologue): Likewise.
2658         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2659         (pic_load_addr_based_insn): Likewise.
2660         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2661         fixed.
2662
2663 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2664
2665         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2666         decimal float modes for all floating point registers.
2667
2668         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2669         match_code "mem" with match_test "macho_lo_sum_memory_operand".
2670
2671 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
2672
2673         PR c/25682
2674         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2675         even when the pointer is not NULL.
2676
2677 2006-01-16  Ian Lance Taylor  <ian@airs.com>
2678
2679         * common.opt (ftoplevel-reorder): New option.
2680         * cgraph.c (cgraph_asm_nodes): New global variable.
2681         (cgraph_asm_last_node): New static variable.
2682         (cgraph_order): New global variable.
2683         (cgraph_create_node): Set new order field.
2684         (cgraph_varpool_node): Likewise.
2685         (decide_is_variable_needed): Return true if not
2686         flag_toplevel_reorder.
2687         (cgraph_add_asm_node): New function.
2688         * cgraph.h (struct cgraph_node): Add order field.
2689         (struct cgraph_varpool_node): Add order field.
2690         (struct cgraph_asm_node): Define.
2691         (cgraph_asm_nodes, cgraph_order): Declare.
2692         (cgraph_add_asm_node): Declare.
2693         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2694         function.
2695         (cgraph_varpool_assemble_pending_decls): Call it.
2696         (cgraph_output_pending_asms): New static function.
2697         (cgraph_finalize_compilation_unit): Call it.
2698         (struct cgraph_order_sort): Define.
2699         (cgraph_output_in_order): New static function.
2700         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
2701         !flag_toplevel_reorder case.
2702         * c-parser.c: Include "cgraph.h".
2703         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2704         assemble_asm.
2705         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2706         than -fno-unit-at-a-time.
2707         * doc/invoke.texi (Option Summary): Mention
2708         -fno-toplevel-reorder.
2709         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
2710         -funit-at-a-time documentation.
2711
2712 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
2713             Kazu Hirata  <kazu@codesourcery.com>
2714
2715         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2716
2717 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
2718
2719         * Makefile.in (FUNCTION_H): New.  Use it instead of
2720         function.h throughout the file.
2721         * function.h: Include tree.h.
2722
2723 2006-01-17  Ben Elliston  <bje@au.ibm.com>
2724
2725         * recog.c: Separate some functions with whitespace.
2726
2727 2006-01-16  Richard Henderson  <rth@redhat.com>
2728
2729         Merge from gomp branch:
2730         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
2731         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2732         and rename from struct inline_data.  Rename callee* to dst*;
2733         caller* to src*; add copy_decl hook, transform_call_graph_edges,
2734         transform_new_cfg, transform_return_to_modify, and
2735         transform_lang_insert_block flags; remove cloning_p, versioning_p,
2736         update_clones_p.
2737         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2738         (copy_decl_for_dup): Remove.
2739         * tree-inline.c (struct inline_data): Move to header.
2740         (insert_decl_map): Export.
2741         (remap_decl): Update for member name changes.  Use copy_decl hook.
2742         Allow for replacement to be a non-decl.  Remove dead code.
2743         (remap_type_1): Check for existing mapping.
2744         (remap_type): Export.
2745         (remap_decls): Update for member name changes.
2746         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2747         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2748         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2749         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2750         (tree_function_versioning, build_duplicate_type): Likewise.
2751         (copy_body_r): Likewise.  Export.
2752         (copy_decl_for_dup): Split into ...
2753         (copy_decl_for_dup_finish, copy_decl_to_var,
2754         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2755         (replace_ref_tree, inlining_p): Remove.
2756
2757 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2758
2759         * ifcvt.c (if_convert): Make it static.
2760         * rtl.h: Remove the prototype for if_convert.
2761
2762         * local-alloc.c (local_alloc): Make it static.
2763         * rtl.h: Remove the prototype for local_alloc.
2764
2765         * loop.c (loop_optimize): Make it static.
2766         * cfgloop.h: Remove the prototype for loop_optimize.
2767         * rtl.h: Likewise.
2768
2769 2006-01-16  DJ Delorie  <dj@redhat.com>
2770
2771         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2772         mems.
2773
2774 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2775
2776         * pa.md: Disparage copies between general and floating-point registers
2777         in 32-bit move patterns.
2778
2779 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
2780
2781         PR testsuite/25741
2782         * Makefile.in (check-%): Depend on site.exp instead of
2783         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2784         directories.
2785
2786 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2787
2788         * global.c (global_alloc): Make it static.
2789         * rtl.h: Remove the prototype for global_alloc.
2790
2791 2006-01-16  Richard Guenther  <rguenther@suse.de>
2792
2793         * tree-ssa-alias.c (struct used_part): Add write_only field.
2794         (get_or_create_used_part_for): Initialize it to true.
2795         (create_overlap_variables_for): Don't create structure variables
2796         for structures that only are written to.
2797         (find_used_portions): Handle MODIFY_EXPR to track whether a
2798         structure is only written to.
2799
2800 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2801
2802         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2803         static.
2804         * basic-block.h: Remove the prototype for
2805         partition_hot_cold_basic_blocks.
2806
2807 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
2808
2809         * cppspec.c (lang_specific_spec_functions): Remove.
2810         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2811         * gcc.h (lang_specific_spec_functions): Remove.
2812         * gccspec.c (lang_specific_spec_functions): Remove.
2813
2814 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
2815
2816         * combine.c (record_value_for_reg): Invalidate registers
2817         if INSN is null.
2818         (record_dead_and_set_regs_1): Likewise, by passing them to
2819         record_value_for_reg.
2820         (record_dead_and_set_regs): Invalidate stores made by a
2821         call.  We do not combine across a call, but we still
2822         relied on equivalences.
2823
2824 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2825
2826         * tree-vrp.c (extract_range_from_binary_expr): Cope with
2827         vrp_int_const_binop returning non-constant nodes.
2828
2829 2006-01-16  Paul Brook  <paul@codesourcery.com>
2830
2831         * config/m68k/m68k.c (output_move_const_into_data_reg):
2832         Output correct mnemonic for mvz and mvs.
2833
2834 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
2835
2836         * rtl-factoring.c: Add sequence abstraction algorithm.
2837         * cfgcleanup.c (outgoing_edges_match): Extra checks.
2838         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2839         ABNORMAL edges.
2840         (block_has_preserve_label): New function.
2841         * common.opt: Register new pass.
2842         * Makefile.in: Ditto.
2843         * passes.c: Ditto.
2844         * timevar.def: Ditto.
2845         * tree-pass.h: Ditto.
2846         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2847         * rtl.h (make_jump_insn_raw): Add forward decl.
2848         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2849
2850 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2851             Roger Sayle  <roger@eyesopen.com>
2852
2853         * fold-const.c (fold_minmax): New static function.
2854         (fold_binary) <MIN_EXPR>: Call it.
2855         <MAX_EXPR>: Likewise.
2856         * stor-layout.c (place_field): Use DECL_SIZE consistently
2857         in the computation of the new record size.
2858
2859 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2860
2861         * cse.c (cse_condition_code_reg): Make it static.
2862         * rtl.h: Remove the prototype for cse_condition_code_reg.
2863
2864         * combine.c (combine_instructions): Make it static.
2865         * rtl.h: Remove the prototype for combine_instructions.
2866
2867 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2868
2869         PR target/25168
2870         * tree.c (get_file_function_name_long): Concatenate the first global
2871         object name with a string derived from the input filename of the object
2872         for type "F".
2873
2874 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2875
2876         * config/i386/winnt-stubs.c: Update FSF address.
2877         * config/xtensa/ieee754-df.S: Ditto.
2878         * config/xtensa/ieee754-sf.S: Ditto.
2879
2880 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2881
2882         * ifcvt.c (noce_init_if_info): New static function, broken out of
2883         noce_process_if_block.
2884         (noce_process_if_block): Call noce_init_if_info.
2885         (check_cond_move_block): New static function.
2886         (cond_move_process_if_block): New static function.
2887         (process_if_block): Call cond_move_process_if_block.
2888
2889 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2890
2891         * cselib.c (hash_table): Rename to cselib_hash_table.
2892         (cselib_clear_table, discard_useless_values,
2893         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2894         cselib_init, cselib_finish): Adjust uses of hash_table.
2895
2896 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2897
2898         PR tree-optimization/25485
2899         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2900         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2901         is known to be false and true, respectively.
2902
2903 2006-01-14  Richard Guenther  <rguenther@suse.de>
2904
2905         PR tree-optimization/22548
2906         PR tree-optimization/22555
2907         PR tree-optimization/22501
2908         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2909         * params.def (salias-max-array-elements): New parameter.
2910         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2911         * doc/invoke.texi (salias-max-array-elements): Document.
2912         * tree-flow-inline.h (var_can_have_subvars): We also handle
2913         arrays now.
2914         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2915         COMPONENT_REF.
2916         * tree-ssa-structalias.c (params.h): Include.
2917         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2918         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2919         (get_constraint_for): For ADDR_EXPR operating on something
2920         containing an ARRAY_REF, add all subvars to the solution.
2921         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2922         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2923         for creating MUST_DEFs.
2924         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2925
2926 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2927
2928         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2929         functions.
2930         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2931         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2932         number_of_iterations_le): New functions.
2933         (number_of_iterations_special): Removed.
2934         (number_of_iterations_exit): Do not use number_of_iterations_special.
2935         * tree.c (unsigned_type_for): Always return integer type.
2936
2937 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2938         Richard Guenther  <rguenther@suse.de>
2939
2940         PR rtl-optimization/24257
2941         * gcse.c (find_moveable_store): Only consider a store movable
2942         when the SET_SRC of the insn can be assigned to a register.
2943
2944 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2945
2946         * tree.c (tree_not_class_check_failed): New function.
2947         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2948         (tree_not_class_check_failed): Declare.
2949
2950 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2951
2952         * reload1.c (do_output_reload): Add assertion rejecting a
2953         CALL_INSN.
2954
2955 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2956
2957         * combine.c (struct reg_stat): Add new fields truncation_label and
2958         truncated_to_mode.
2959         (record_value_for_reg): Reset truncated_to_mode.
2960         (record_truncated_value): New function.
2961         (check_promoted_subreg): Call it.  Rename to check_conversions.
2962         (combine_instructions): Rename check_promoted_subreg to
2963         check_conversions.
2964         (reg_truncated_to_mode): New function.
2965         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2966         (gen_lowpart_or_truncate): New function.
2967         (force_to_mode): Use it instead of gen_lowpart.
2968
2969 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2970
2971         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2972         VAR is a tag, not its type tag.
2973
2974 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2975
2976         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2977         alternatives to match style of other entries.
2978         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2979
2980 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2981
2982         PR tree-optimization/25771
2983         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2984         SSA_NAMES.
2985
2986 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2987
2988         PR tree-opt/24365
2989         * tree-inline.c (declare_return_variable): If the return variable
2990         was marked as a non gimple complex, set the return slot variable
2991         to be a non gimple comple variable.
2992
2993 2006-01-13  Richard Guenther  <rguenther@suse.de>
2994
2995         * builtins.c (expand_builtin_sincos): New function.
2996         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2997         do not set errno.
2998         (expand_builtin): Expand sincos using expand_builtin_sincos.
2999
3000 2006-01-12  DJ Delorie  <dj@redhat.com>
3001
3002         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3003         shift counts, separate SI shifts for m32c vs m16c, pass shift type
3004         so that constant shifts can be split.
3005         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3006         (m32c_valid_pointer_mode): Make static.
3007         (shift_gen_func_for): New.
3008         (m32c_prepare_shift): Use it.  Split large const shifts into
3009         multiple shifts.
3010         * config/m32c/predicates.md (shiftcount_operand): Allow more
3011         general operands.
3012         (longshiftcount_operand): New.
3013         * doc/md.texi (Machine Constraints): Document In6.
3014
3015 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3016
3017         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3018         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3019         documentation.
3020
3021 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
3022
3023         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3024         to try to avoid clobbering pieces of structures when we know
3025         something about the whole structure.
3026         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3027
3028 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3029
3030         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3031         return in memory, as this is no limitation is no longer present.
3032
3033 2006-01-12  DJ Delorie  <dj@redhat.com>
3034
3035         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3036         mova with fb, and for fb+0 -> An.
3037
3038         * config/m32c/mov.md (peephole2): Fix enabling logic.
3039
3040         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3041         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3042         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3043         FINI_ARRAY_SECTION_ASM_OP): Define.
3044
3045         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3046         variable.
3047         (m32c_legitimize_reload_address): New logic to reload FB to An.
3048         (m32c_output_reg_push): Add newline.
3049         (m32c_output_reg_pop): Likewise.
3050
3051 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
3052
3053         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3054
3055 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3056
3057         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3058
3059 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3060
3061         * config/sh/predicates.md (sh_rep_vec): Add parallel to
3062         match_code.
3063
3064 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3065
3066         * rtlanal.c (find_reg_note): Assert insn is not null.
3067
3068 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3069
3070         * df-scan.c (df_hard_reg_init): Move declaration of i outside
3071         ifdef.
3072
3073 2006-01-11  Jeff Law  <law@redhat.com>
3074
3075         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3076         hold edge pairs.
3077         (mark_threaded_blocks, register_jump_thread): New functions.
3078         (thread_through_all_blocks): Remove unwanted argument.  No
3079         longer rely on e->aux to communicate thread target info.
3080         Call mark_threaded_blocks.  Release the threaded_blocks
3081         bitmap and threaded_edges vector when complete.
3082         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3083         (threaded_blocks): Remove.
3084         (tree_ssa_dominator_optimize): Remove initialization and
3085         finalization of threaded_blocks.  Simplify call to
3086         thread_through_all_blocks.
3087         (thread_across_edge): Call register_jump_thread rather than
3088         storing thread information into e->aux.
3089         (free_all_edge_infos): Simplify now that e->aux is no longer
3090         used to communicate with thread_through_all_blocks.
3091         * tree-flow.h (thread_through_all_blocks): Update prototype.
3092         (register_jump_thread): Prototype.
3093
3094 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3095
3096         * df-core.c (df_compact_blocks, df_bb_replace): Use
3097         SET_BASIC_BLOCK instead of BASIC_BLOCK.
3098
3099 2006-01-11  Richard Guenther  <rguenther@suse.de>
3100
3101         PR tree-optimization/25734
3102         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3103         stop propagation after successful propagation to the LHS.
3104
3105 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3106
3107         * basic-block.h (control_flow_graph): Change the type of
3108         x_basic_block_info to VEC(basic_block,gc) *.
3109         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3110         basic_block_info.
3111         (SET_BASIC_BLOCK): New.
3112         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3113         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3114         * cfgbuild.c (find_basic_blocks): Likewise.
3115         * cfglayout.c (fixup_reorder_chain): Likewise.
3116         * cfgrtl.c (create_basic_block_structure,
3117         rtl_create_basic_block): Likewise.
3118         * ifcvt.c (find_if_case_1): Likewise.
3119         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3120         Likewise.
3121
3122 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3123
3124         * Makefile.in: Removed rotted odf.c entry.
3125
3126 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
3127
3128         PR target/25706
3129         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3130         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3131         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3132         output pattern modifier, not %e.
3133         * config/cris/cris.c (cris_op_str): Update comment about pattern
3134         modifier.
3135         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3136         before falling through into...
3137         <case 'E'>: Redefined from old 'e' case.
3138
3139 2006-01-11  Jan Hubicka  <jh@suse.cz>
3140
3141         PR target/25042
3142         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3143
3144 2006-01-11  Jan Hubicka  <jh@suse.cz>
3145
3146         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3147         * i386.c (x86_decompose_lea): Kill.
3148         (ix86_rtx_costs): Kill.
3149
3150 2006-01-11  Jan Hubicka  <jh@suse.cz>
3151
3152         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3153         * cgraph.h (cgraph_node): Add inline_decl.
3154         (cgraph_insert_node_to_hashtable): Declare.
3155         (save_inline_function_body): Declare.
3156         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3157         clones.
3158         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3159         (cgraph_function_versioning): Update call of tree_function_versioning.
3160         (save_inline_function_body): New function.
3161         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3162         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3163         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3164         (cgraph_default_inline_p): Likewise.
3165         (cgraph_decide_inlining_incrementally): Likewise.
3166         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3167         (copy_bb): Kill saving; do updating of clones.
3168         (copy_cfg_body): Kill saving.
3169         (initialize_inlined-parameters): Likewise.
3170         (expand_call_inline): Likewise.
3171         (save_body): Kill.
3172         (tree_function_versioning): New parameter "update_clones".
3173         (inlining_p): Kill saving.
3174         * tree-inline.h (tree_function_versioning): Update prototype.
3175         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3176         saving.
3177
3178 2006-01-11  Ian Lance Taylor <ian@airs.com>
3179
3180         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
3181         Allow undoing set of machine mode.
3182         (do_SUBST): Use enums instead of is_int.
3183         (do_SUBST_MODE): New function.
3184         (SUBST_MODE): New macro.
3185         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3186         reg and trying to replace reg_regno_rtx with a new register.
3187         (undo_all): Use new enums, handle undoing a PUT_MODE change.
3188         (simplify_set): Use SUBST_MODE.
3189         (distribute_notes): Remove code that tried to update reg notes
3190         for regno_reg_rtx changes.
3191
3192 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
3193
3194         PR tree-optimization/23109
3195         PR tree-optimization/23948
3196         PR tree-optimization/24123
3197
3198         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3199         * tree-cfg.c (single_noncomplex_succ): New.
3200         * tree-flow.h (single_noncomplex_succ): Declare it.
3201         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3202         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3203         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3204         insert_bb, register_division_in, insert_reciprocals,
3205         replace_reciprocal, free_bb): New.
3206         (execute_cse_reciprocals_1): Rewritten.
3207         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3208         Do not commit any edge insertion.  Always compute dominators and
3209         create the allocation pool.
3210         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3211         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3212         * targhooks.c (default_min_divistions_for_recip_mul): New.
3213         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3214         * passes.c (init_optimization_passes): Run recip after tree loop
3215         optimizations.
3216         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3217
3218 2006-01-11  Danny Berlin <dberlin@dberlin.org>
3219             Kenneth Zadeck <zadeck@naturalbridge.com>
3220
3221         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3222         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3223         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3224         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3225         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3226         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3227         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3228         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3229         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3230         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3231         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3232         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3233         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3234         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3235         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3236         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3237         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3238         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3239         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3240         DF_SCAN_POST_ALLOC): New macros.
3241         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3242         df_free_bb_function, df_local_compute_function, df_init_function,
3243         df_dataflow_function, df_confluence_function_0,
3244         df_confluence_function_n, df_transfer_function,
3245         df_finalizer_function, df_free_function, df_dump_problem_function,
3246         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3247         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3248         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3249         df_urec_bb_info, ) New types.
3250         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3251         variables.
3252         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3253         df_analyze_simple_change_some_blocks,
3254         df_analyze_simple_change_one_block, df_compact_blocks,
3255         df_bb_replace, df_bb_regno_last_use_find,
3256         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3257         df_insn_regno_def_p, df_find_def, df_find_use,
3258         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3259         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3260         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3261         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3262         debug_df_chain, df_get_dependent_problem, df_chain_create,
3263         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3264         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3265         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3266         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3267         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3268         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3269         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3270         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3271         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3272         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3273         df_reorganize_refs, df_set_state, df_hard_reg_init,
3274         df_read_modify_subreg_p) New public functions.
3275         * df-core.c: The core dataflow solver and glue routines for rtl
3276         dataflow.
3277         (df_init, df_add_problem, df_set_blocks, df_finish,
3278         df_hybrid_search_forward, df_hybrid_search_backward,
3279         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3280         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3281         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3282         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3283         df_reg_defined, df_find_use, df_reg_used, df_dump,
3284         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3285         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3286         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3287         debug_df_useno, reset_df_after_reload): New functions.
3288         * df-scan.c: The scanning fuctions, once in df.c, completely
3289         rewritten so that they now fully model the functionality of
3290         register usage at the backend.
3291         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3292         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3293         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3294         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3295         df_get_artificial_defs, df_get_artificial_uses,
3296         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3297         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3298         df_refs_delete, df_reorganize_refs, df_set_state,
3299         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3300         df_def_record_1, df_defs_record, df_uses_record,
3301         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3302         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3303         df_record_exit_block_uses, df_hard_reg_init): New functions.
3304
3305         * df-problems.c: Seven concrete dataflow problems that use the
3306         scanning in df-scan.c and are solved by the engine in df-core.c.
3307         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3308         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3309         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3310         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3311         df_ru_free_bb_info, df_ru_alloc,
3312         df_ru_bb_local_compute_process_def,
3313         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3314         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3315         df_ru_transfer_function, df_ru_free, df_ru_dump,
3316         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3317         df_rd_free_bb_info, df_rd_alloc,
3318         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3319         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3320         df_rd_transfer_function, df_rd_free, df_rd_dump,
3321         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3322         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3323         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3324         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3325         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3326         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3327         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3328         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3329         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3330         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3331         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3332         df_urec_mark_reg_use_for_earlyclobber,
3333         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3334         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3335         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3336         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3337         df_chain_create_bb_process_use, df_chain_create_bb,
3338         df_chain_finalize, df_chain_free, df_chains_dump,
3339         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3340         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3341         df_reg_lifetime): New functions.
3342         * df.c: Deleted file.
3343         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3344         consistent with new df api.
3345         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3346         rest_of_handle_sms): Ditto.
3347         * web.c (unionfind_union, union_defs, entry_register, web_main):
3348         Ditto.
3349         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3350         invariant_expr_equal_p, find_defs, check_dependencies,
3351         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3352         free_inv_motion_data, move_loop_invariants): Ditto.
3353         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3354         Update dependencies.
3355         (odf.c): Added defective entry that was deleted later in day.
3356         * sched-deps.c (sched_analyze_1): Ditto.
3357
3358 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3359
3360         * tree-ssa-operands.c (get_expr_operands): Record addressable
3361         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3362         and ARRAY_DECLs.
3363         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3364         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3365
3366 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3367
3368         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3369         function returns true in the positive case.
3370
3371 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3372
3373         PR target/20754
3374         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3375         for SI, DI, SF and DF modes.  Add alternatives to copy between
3376         general and floating point registers to the 32-bit patterns.
3377         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3378         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3379         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3380         generating 64-bit code.
3381         * config/pa/pa.c (output_move_double): Handle copies between general
3382         and floating registers.
3383
3384 2006-01-10  Stuart Hastings  <stuart@apple.com>
3385
3386         * config/i386/i386.md (set_got): Update.
3387         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3388         (builtin_setjmp_receiver): Mach-O support.
3389         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3390         (GOT_SYMBOL_NAME): Define.
3391         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3392         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3393         * config/i386/i386.c (override_options): Revise for Darwin.
3394         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3395         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3396         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3397         * config/i386/i386-protos.h (output_set_got): Likewise.
3398         * config/darwin.c (machopic_legitimize_pic_address): Update
3399         regs_ever_live[].
3400
3401 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3402
3403         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3404         when MODE isn't BLKmode.
3405
3406 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3407
3408         PR rtl-optimization/25367
3409         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3410
3411 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3412
3413         PR target/25718
3414         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3415         for a negative bound.
3416
3417 2006-01-10  Richard Guenther  <rguenther@suse.de>
3418
3419         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3420         Never override with anything constraint.
3421
3422 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3423
3424         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3425         256 bits when optimize_size.
3426
3427 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3428
3429         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3430         MASK_ALIGN_DOUBLE.
3431         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3432         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3433         arguments.
3434
3435 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3436
3437         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3438         float modes.
3439         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3440         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3441         (USE_FP_FOR_ARG): Reject decimal float modes.
3442         (function_arg_advance): Likewise.
3443         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3444         (rs6000_handle_altivec_attribute): Do not permit decimal floating
3445         point types in AltiVec vectors.
3446         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3447         (rs6000_libcall_value): Likewise.
3448
3449 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
3450
3451         * config/xtensa/ieee754-df.S: New file.
3452         * config/xtensa/ieee754-sf.S: New file.
3453         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3454         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3455         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3456
3457 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
3458
3459         * config/sh/predicates.md (binary_float_operator,
3460         binary_logical_operator, commutative_float_operator,
3461         equality_comparison_operator, greater_comparison_operator,
3462         less_comparison_operator, logical_operator,
3463         noncommutative_float_operator, shift_operator,
3464         symbol_ref_operand, unary_float_operator): Remove redundant
3465         conditionals.
3466
3467 2006-01-09  Jeff Law  <law@redhat.com>
3468
3469         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3470         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
3471         now unused arguments.  Callers updated.
3472         (eliminate_redundant_computations): Remove now unused arguments,
3473         callers updated.
3474         (local_fold): Remove, no longer used.
3475         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3476         and moved to...
3477         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3478         (simplify_cond): New function.
3479         (forward_propagate_into_cond): Call simplify_cond.
3480
3481 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
3482
3483         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3484         (*vec_extractv2di_1_sse): New.
3485
3486 2006-01-09  Ben Elliston  <bje@au.ibm.com>
3487
3488         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3489
3490 2006-01-08  Richard Guenther  <rguenther@suse.de>
3491
3492         * tree-ssa-structalias.c (get_constraint_for): Remove
3493         anyoffset argument.
3494         (get_constraint_for_component_ref): Likewise.
3495         (do_deref): Likewise.
3496         (get_constraint_for): Likewise.
3497         (do_structure_copy): Likewise.
3498         (handle_ptr_arith): Likewise.
3499         (find_func_aliases): Likewise.  Remove unused need_anyoffset
3500         variable.
3501
3502 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
3503             Kaz Kojima  <kkojima@gcc.gnu.org>
3504
3505         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3506         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3507         (EXTRA_CONSTRAINT_C16): Remove.
3508         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3509         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3510         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3511         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3512         constants of SHmedia.  Handle nested constant expressions of
3513         SHmedia correctly.
3514         (andcosts): Fix the costs for SHmedia constants.
3515         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3516         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3517         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3518         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3519         (movv4hi_i, movv2si_i): Likewise.
3520         (movsi_const): Adjust the second operand of ior so to match with
3521         the Csu constraint.
3522         (movdi_const, movdi_const_32bit): Likewise.
3523         (movdi_const_16bit+1): Don't sign-extend LOW.
3524         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
3525         step.
3526         (*double_shori): Fix the split condition.  Use GEN_INT instead
3527         of get_int_mode calls.  Mask lower 16-bit of the argument of
3528         the last GEN_INT.
3529         (sym2GOTPLT): Remove.
3530         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3531         gen_rtx_UNSPEC.
3532         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3533         instead of EXTRA_CONSTRAINT_C16.
3534
3535 2006-01-07  Ian Lance Taylor  <ian@airs.com>
3536             David Edelsohn  <edelsohn@gnu.org>
3537
3538         PR rtl-optimization/25662
3539         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3540         for constant operands instead of simplify_gen_binary.
3541         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3542         after trying simplify_binary_operation
3543
3544 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
3545
3546         * tree.c (iterative_hash_expr): Hash decls based on UID.
3547
3548 2006-01-06  Eric Christopher  <echristo@apple.com>
3549
3550         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3551         (TARGET_UNWIND_EMIT): Fix spelling.
3552         * target.h (gcc_target): Add except_table_label.
3553         * except.c (output_function_exception_table): Use.
3554         * varasm.c (default_emit_except_table_label): New.
3555         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3556         define.
3557         (asm_out): Add here.
3558         * output.h (default_emit_except_table_label): Prototype.
3559         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3560         * config/darwin.c (darwin_emit_except_table_label): Define.
3561         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3562
3563 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
3564
3565         PR tree-optimization/18527
3566         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3567         number_of_iterations_special, number_of_iterations_exit):
3568         Move base and step of an iv to a single structure.  Add
3569         no_overflow flag, and use it in # of iterations analysis.
3570         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3571         folded_casts argument.
3572         (simple_iv): Pass base and step in a structure.  Set no_overflow
3573         flag.
3574         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3575         Evaluate expensiveness of computing # of iterations instead of
3576         the final expression.
3577         * tree-scalar-evolution.h (affine_iv): New structure.
3578         (simple_iv): Declaration changed.
3579         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3580         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3581         find_givs_in_stmt): Changed due to simple_iv change.
3582
3583 2006-01-06  Jeff Law  <law@redhat.com>
3584
3585         PR ada/24994
3586         * tree-cfg.c (bsi_replace): Rename final argument from
3587         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
3588         change (stmt -> orig_stmt).
3589         * tree-eh.c (verify_eh_throw_stmt_node): New function.
3590         (bsi_remove): Add new argument.  Remove EH information
3591         if requested.
3592         (verify_eh_throw_table_statements): New function.
3593         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
3594         updated.
3595         * tree-optimize.c (execute_free_cfg_annotations): Verify
3596         the EH throw statement table after removing annotations.
3597         * except.h (verify_eh_throw_table_statements): Prototype.
3598         * tree-flow.h (bsi_remove): Update prototype.
3599         * tree-vrp.c (remove_range_assertions): Add new argument to
3600         bsi_remove call.
3601         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3602         * tree-complex.c (expand_complex_div_wide): Likewise.
3603         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3604         * tree-tailcall.c (eliminate_tailcall): Likewise.
3605         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3606         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3607         * tree-nrv.c (tree_nrv): Likewise.
3608         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3609         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3610         (combine_blocks): Likewise.
3611         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3612         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3613         (cleanup_control_flow): Likewise.
3614         (remove_forwarder_block): Likewise.
3615         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3616         * tree-sra.c (sra_replace): Likewise.
3617         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3618         (forward_propagate_single_use_vars): Likewise.
3619         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3620         * tree-inline.c (expand_call_inline): Likewise.
3621         * tree-vect-transform.c (vect_transform_loop): Likewise.
3622         * tree-outof-ssa.c (rewrite_trees): Likewise.
3623         * tree-cfg.c (make_goto_expr_edges): Likewise.
3624         (cleanup_dead_labels): Likewise.
3625         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3626         (bsi_move_before, bsi_move_after): Likewise.
3627         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3628         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3629
3630 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
3631
3632         PR tree-opt/25528
3633         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3634         and IMAGPART_EXPR.
3635         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3636         on non gimple variables.  Also add checks at the top for decls and
3637         mtags.
3638         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3639         complex types.
3640         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3641         and IMAGPART_EXPR for creating MUST_DEFs.
3642         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3643         and NAME_MEMORY_TAG separately from the DECLs.
3644
3645 2006-01-06  Richard Guenther  <rguenther@suse.de>
3646
3647         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3648         annotation, if necessary.
3649         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3650         redundant calls to update_stmt.
3651         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3652         Likewise.
3653
3654 2006-01-05  Richard Henderson  <rth@redhat.com>
3655
3656         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3657
3658 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3659
3660         * c-typeck.c: Update copyright date.
3661
3662 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3663
3664         * c-typeck.c (build_c_cast): Always warn when casting
3665         from a pointer to an integer of different size, even if
3666         the node was constant.
3667
3668 2006-01-05  Richard Guenther  <rguenther@suse.de>
3669
3670         PR tree-optimization/22555
3671         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3672         if one structure field is an array.
3673         * tree-ssa-operands.c (get_expr_operands): Continue scanning
3674         operands even if we found a subvar, but ignore VOPs in this
3675         case.
3676         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3677         for renaming.
3678         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3679
3680 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
3681
3682         PR middle-end/24998
3683         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3684
3685 2006-01-05  Richard Guenther  <rguenther@suse.de>
3686             Diego Novillo  <dnovillo@redhat.com>
3687
3688         * tree-pass.h (TODO_remove_unused_locals): Define.
3689         * gimple-low.c (expand_var_p, remove_useless_vars,
3690         pass_remove_useless_vars): Remove.  Update all users.
3691         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3692         (remove_unused_locals): New function.
3693         * tree-flow.h (remove_unused_locals): Declare.
3694         * passes.c (execute_todo): Call remove_unused_locals if
3695         TODO_remove_unused_locals is set.
3696         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3697         * tree-ssa-dce.c (pass_dce): Likewise.
3698         * tree-outof-ssa.c (pass_del_ssa): Likewise.
3699
3700 2006-01-05  Richard Guenther  <rguenther@suse.de>
3701
3702         * tree-flow.h (struct fieldoff): Decompose field to
3703         type, size and decl.
3704         * tree-ssa-alias.c (create_sft): Take type as parameter.
3705         (create_overlap_variables_for): Store type, size and decl
3706         in the fieldoff structure.
3707         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3708         of struct fieldoff.
3709         (push_fields_onto_fieldstack): Likewise.
3710         (create_variable_info_for): Likewise.  Use offset for the
3711         SFT name if the decl is not available.
3712
3713 2006-01-04  Paul Brook  <paul@codesourcery.com>
3714
3715         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3716
3717 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
3718
3719         * lambda-code.c (can_put_in_inner_loop): Relax
3720         restrictions.
3721         (can_put_after_inner_loop): New function.
3722         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3723         (perfect_nestify): Change to make copies and modify uses.
3724
3725 2006-01-04  Richard Henderson  <rth@redhat.com>
3726
3727         Merge from gomp branch:
3728         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3729         via integer constant.
3730         (pragma_lex): Remove.
3731         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3732         rather than parsing it.
3733         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3734         handle_pragma_extern_prefix): Add %< %> quotes.
3735         (registered_pragmas): New.
3736         (c_register_pragma_1): New.
3737         (c_register_pragma): Use it.
3738         (c_register_pragma_with_expansion): Likewise.
3739         (c_invoke_pragma_handler): New.
3740         (init_pragma): Use cpp_register_deferred_pragma directly for
3741         pch_preprocess.
3742         * c-pragma.h (enum pragma_kind): New.
3743         (pragma_handler): New.
3744         (c_invoke_pragma_handler): Declare.
3745         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3746         CPP_PRAGMA_EOL.
3747         * c-common.h (c_common_pch_pragma): Update decl.
3748         * Makefile.in (c-parser.o): Update dependencies.
3749         (GTFILES): Add c-pragma.h.
3750         * c-parser.c (struct c_token): Add pragma_kind.
3751         (struct c_parser): Add in_pragma.
3752         (c_lex_one_token): Always initialize keyword and pragma_kind.
3753         Extract data for CPP_PRAGMA.
3754         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3755         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3756         Don't allow CPP_PRAGMA_EOL if in_pragma.
3757         (c_parser_consume_pragma): New.
3758         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3759         (c_parser_skip_to_end_of_parameter): Likewise.
3760         (c_parser_skip_to_end_of_block_or_statement): Likewise.
3761         (c_parser_skip_to_pragma_eol): New.
3762         (c_parser_external_declaration): Handle CPP_PRAGMA.
3763         (c_parser_compound_statement_nostart): Likewise.
3764         (c_parser_statement_after_labels): Likewise.
3765         (c_parser_pragma): New.
3766         (pragma_lex): Likewise.
3767         (c_parser_pragma_pch_preprocess): New.
3768         (c_parser_new): Merge into ...
3769         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
3770
3771 2006-01-04  Jeff Law  <law@redhat.com>
3772
3773         PR ada/24994
3774         * tree-cfg.c (bsi_replace): Remove the original statement
3775         from the EH throw statement table.
3776
3777 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
3778
3779         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3780         make the prototype extern "C" and add throw ().
3781
3782         PR target/25554
3783         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3784         and pos non-negative and pos + len <= 32.
3785         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3786         drop pos + len < HOST_BITS_PER_WIDE_INT test.
3787         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3788
3789         PR c/25559
3790         * c-common.c (handle_vector_size_attribute): Reject zero vector size
3791         as well as sizes not multiple of component size.
3792
3793         PR debug/25562
3794         * function.c (instantiate_expr): New function.
3795         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3796         walk its DECL_VALUE_EXPR with instantiate_expr.
3797
3798         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3799         DW_OP_deref{,_size} if address isn't going to be added.
3800
3801 2006-01-04  Ben Elliston  <bje@au.ibm.com>
3802
3803         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3804         * config/fp-bit.c: Likewise.
3805
3806 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
3807
3808         * dominance.c: Add comment about why we use DFS numbering
3809         of dominance tree.
3810
3811 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3812             Richard Henderson  <rth@redhat.com>
3813
3814         Merge from gomp-branch:
3815         * varasm.c (assemble_variable): Handle thread-local COMMON data.
3816         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3817
3818 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
3819
3820         PR rtl-optimization/25578
3821         * combine.c (combine_simplify_rtx, force_to_mode): Don't
3822         pass a parameter to simplify_shift_const if changing ASHIFTRT
3823         to LSHIFTRT.
3824
3825 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
3826
3827         * builtins.c (get_builtin_sync_mem): New function.
3828         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3829         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3830         Call get_builtin_sync_mem to generate mem rtx.
3831
3832 2006-01-03  Richard Guenther  <rguenther@suse.de>
3833
3834         PR c/25183
3835         * stmt.c (add_case_node): Make sure to clear overflow flags
3836         from ranges.
3837
3838 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3839
3840         Merge from gomp-branch.
3841         * config/sparc/sync.md: New file.
3842         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3843         UNSPECV_LDSTUB): New constants.
3844         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3845         * config/sparc/predicates.md (memory_reg_operand): New predicate.
3846         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3847         prototype.
3848
3849 2006-01-03  Roger Sayle  <roger@eyesopen.com>
3850
3851         * combine.c (reg_subword_p): New predicate to test whether the
3852         destination of a set refers to a subword/piece of a register.
3853         (try_combine): Generalize the code to merge the setting of a
3854         pseudo to a constant followed by a set of a subword of that
3855         register to a constant.
3856
3857 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
3858
3859         * basic-block.h (control_flow_graph): Change the type of
3860         x_label_to_block_map to VEC(basic_block,gc) *.
3861         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3862         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3863
3864         * tree-ssa-propagate.c (cfg_blocks): Change the type to
3865         VEC(basic_block,heap) *.
3866         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3867         ssa_prop_fini): Adjust the uses of cfg_blocks.
3868
3869 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
3870
3871         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3872         COMPONENT_REFs.
3873         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3874         hashing trees instead of a pointer hash.
3875         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3876         compare for MEM_EXPR.
3877
3878         PR rtl-optimization/25130
3879         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3880         when comparing MEMs for GCSE
3881
3882 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3883
3884         * targhooks.h (default_decimal_float_supported_p): Declare.
3885         * targhooks.c (default_decimal_float_supported_p): Define.
3886         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3887         `default_decimal_float_supported_p'.
3888         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3889
3890 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3891
3892         * combine.c (apply_distributive_law <SUBREG>): Check
3893         TRULY_NOOP_TRUNCATION.
3894
3895 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3896
3897         * dwarf2out.c (have_switched_text_section): Delete.
3898         (have_multiple_function_sections): New.
3899         (have_location_lists): Make 'bool'.
3900         (add_AT_loc_list): Use 'true' not '1'.
3901         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3902         (output_loc_list): Use have_multiple_function_sections.
3903         (output_ranges): Likewise.
3904         (dwarf2out_begin_function): Set have_multiple_function_sections if
3905         necessary.
3906         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3907         Check function_section rather than DECL_SECTION_NAME.
3908         (dwarf2out_finish): Use have_multiple_function_sections.
3909         Don't clear have_location_lists.
3910
3911 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3912             Jan Hubicka  <jh@suse.cz>
3913
3914         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3915         case of conditional jump jumping to the next instruction.
3916         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3917         cases of conditional jump jumping to the next instruction.
3918
3919 2006-01-02  Jan Hubicka  <jh@suse.cz>
3920
3921         * i386.c (*_cost): Add COSTS_N_INSNS.
3922         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3923
3924 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3925
3926         PR target/25259
3927         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3928
3929 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3930
3931         * config/arm/arm.c (all_fpus): Fix comment typo.
3932         * config/darwin.c: Likewise.
3933         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3934         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3935         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3936
3937 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3938
3939         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3940         (rs6000_split_compare_and_swapqhi): New.
3941         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3942         (sync_compare_and_swapqhi_internal): New.
3943         * config/rs6000/rs6000-protos.h: Declare.