* testsuite/libgomp.fortran/vla7.f90: Add -w to options.
[official-gcc.git] / gcc / ChangeLog
blob943f0e07c68945f925f0adea9524ad3c632ad548
1 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
3         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
4         (s390_mangle_fundamental_type): New.
5         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6         Define.
8         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
9         (alpha_mangle_fundamental_type): New.
10         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11         Define.
13         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
14         Define.
15         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16         Define.
17         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18         (sparc_mangle_fundamental_type): New.
20 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
22         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
23         (s390x-*-linux*): Likewise.
24         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
25         * config/s390/t-linux: New file.
27 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
29         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
30         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
32 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
34         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
35         (ANTIC_SAFE_LOADS): New macro.
36         (find_or_generate_expression): Add prototype.
37         (set_contains_value): Allow null set for sake of not always having
38         to allocate ANTIC_SAFE_LOADS.
39         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
40         Allow COMPONENT_REF too.
41         (valid_in_set): Allow COMPONENT_REF.
42         Check ANTIC_SAFE_LOADS too.
43         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
44         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
45         rename.
46         (can_PRE_operation): Add COMPONENT_REF.
47         (create_component_ref_by_pieces): New function.
48         (create_expression_by_pieces): Use create_component_ref_by_pieces.
49         (insert_aux): Move AGGREGATE_TYPE_P check here.
50         (compute_avail): Set bb local stmt uids.
51         (pass_pre): Use TODO_update_ssa_only_virtuals.
52         
53 2006-02-06  Ben Elliston  <bje@au.ibm.com>
55         * configure.ac: Unconditionally disable decimal float by default.
56         * configure: Regenerate.
58 2006-02-06  Ben Elliston  <bje@au.ibm.com>
60         * read-rtl.c (read_name): Terminate reading on EOF.
62 2006-02-06  Ben Elliston  <bje@au.ibm.com>
64         * dfp.c (decimal_real_arithmetic): Change second argument type
65         from int to enum tree_code. Do not always return true, but now
66         return result of any call to decimal_do helper functions.
67         * dfp.h (decimal_real_arithmetic): Update prototype.
69 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
71         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
73 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
75         PR tree-opt/25251
76         * tree-cfg.c (cleanup_dead_labels): Also don't remove
77         forced labels.
79 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
81         * tree-vrp.c (cfg_loops): Removed.
82         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
83         Use current_loops instead of cfg_loops.  Pass flags to
84         loop_optimizer_init.
85         * cfgloopmanip.c (fix_loop_structure): Update only available
86         information.
87         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
88         loop_optimizer_init.
89         * modulo-sched.c (build_loops_structure): Removed.
90         (sms_schedule): Use loop_optimizer_init.
91         * loop-init.c (loop_optimizer_init): Use flags to determine
92         which properties of loops to prepare.
93         (rtl_loop_init): Pass flags to loop_optimizer_init.
94         * tree-ssa-sink.c (execute_sink_code): Ditto.
95         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
96         * tree-ssa-pre.c (init_pre): Ditto.
97         * cfgloop.h (LOOPS_NORMAL): New.
98         (loop_optimizer_init): Declaration changed.
100 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
102         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
103         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
104         pa/t-pa.
105         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
106         pa/t-pa.
107         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
108         pa/x-ada.
109         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
110         * pa/t-pa64: Delete quadlib.c rule.
111         * pa/x-ada: Revert last change.
112         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
114 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
116         PR rtl-optimization/26087
117         * rtlanal.c (canonicalize_condition): Do not cross basic block
118         boundaries.
120 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
122         PR debug/24444
123         * config/ia64/ia64.c: Include debug.h.
124         (MAX_ARTIFICIAL_LABEL_BYTES): New.
125         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
126         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
127         (process_epilogue, process_set, process_for_unwind_directive):
128         Output unwind info only if requested.  Add CFA info if requested.
129         Add new arguments as needed.  Adjust callers.
130         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
131         incorrect default.
132         (DWARF2_FRAME_INFO): Define to zero.
133         * config/ia64/unwind-ia64.c: Remove code that compensated for
134         the CFA offset error fixed above.
135         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
136         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
137         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
138         -funwind-tables and -fexceptions to enable frame info.
139         (dwarf2out_frame_init): Define initial CFA even if
140         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
141         DWARF2_UNWIND_INFO is nonzero, not just defined.
142         (dwarf2out_frame_finish): Output non-EH call frame info only
143         if DWARF2_FRAME_INFO is nonzero.
144         (convert_cfa_to_loc_list,
145         compute_frame_pointer_to_cfa_displacement): Define even if
146         unwind info is not supported.
147         (gen_subprogram_die): Use the above unconditionally.  Remove
148         legacy alternate code.
149         * toplev.c (compile_file): Compile in call to
150         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
151         (lang_dependent_init): Ditto for dwarf2out_frame_init.
153 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
154             Jakub Jelinek  <jakub@redhat.com>
156         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
157         IBM extended float format long double as "g" on powerpc*-linux.
159 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
161         PR target/25926
162         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
163         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
165 2006-02-03  Jason Merrill  <jason@redhat.com>
167         PR c++/25979
168         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
170         PR middle-end/25977
171         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
172         on the return slot if it's an NRV.
174 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
176         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
177         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
178         rewrite_use): Do not handle USE_OUTER.
179         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
180         add_iv_outer_candidates, may_replace_final_value,
181         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
182         (find_interesting_uses_op): Functionality of
183         find_interesting_uses_outer_or_nonlin moved here.
184         (find_interesting_uses_outside): Use find_interesting_uses_op.
186 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
188         PR target/25960
189         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
191 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
192             Ulrich Weigand  <uweigand@de.ibm.com>
194         PR target/25864
195         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
196         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
197         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
198         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
199         and dxr fields.
200         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
201         (s390_rtx_costs): Use the new fields to calculate rtx costs.
202         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
203         Define secondary reloads for TFmode moves.
204         (constant_modes): Add TFmode.
205         (NR_C_MODES): Set to 8.
206         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
207         builtin define.
208         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
209         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
210         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
211         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
212         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
213         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
214         (FPR mode macro): Add TFmode.
215         (DSF mode macro): New.
216         (<de>, <dee> mode attributes): Removed.
217         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
218         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
219         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
220         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
221         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
222         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
223         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
224         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
225         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
226         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
227         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
228         "*negabs<mode>2", "sqrt<mode>2"):
229         Changed <de> to <xde>. R constraint replaced by <Rf>.
230         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
231         <Rf>.
232         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
233         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
234         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
235         splitters.
236         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
237         "extenddftf2", "extendsftf2"): New expanders.
238         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
239         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
240         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
241         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
242         New options.
243         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
244         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
245         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
246         __floatditf): Add a GCC_4.1.0 symbol version tag.
247         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
248         the new options.
250 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
252         PR target/25377
253         * config/i386/i386.c (ix86_function_ok_for_sibcall):
254         Use targetm.binds_local_p instead of TREE_PUBLIC.
256 2006-02-02  Roger Sayle  <roger@eyesopen.com>
258         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
259         on INTEGER_TYPEs to indicate that it denotes a character type.
260         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
261         signed_char_type_node, unsigned_char_type_node and char_type_node.
262         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
263         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
264         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
266 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
267             Daniel Berlin  <dberlin@dberlin.org>
269         * tree-tailcall.c (arg_needs_copy_p): New function.
270         (eliminate_tail_call): Use arg_needs_copy_p.
271         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
272         (add_virtual_phis): New function.
274 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
276         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
277         #ignore instead of #scratch for %g7 .register directive.
279 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
281         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
282         object files.
284 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
286         * flow.c (calculate_global_regs_live): Assert that there aren't any
287         EDGE_FAKE edges.
289 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
291         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
292         what its name says.
293         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
294         bsi_after_labels iterator.
295         * tree-if-conv.c (find_phi_replacement_condition,
296         replace_phi_with_cond_modify_expr): Likewise.
297         * tree-scalar-evolution.c (scev_const_prop): Likewise.
298         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
300 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
302         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
304 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
306         PR 25990
307         * tree-cfg.c (move_block_to_fn): Clear out the basic block
308         array after growing it.
310 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
312         PR middle-end/24901
313         * fold-const.c (fold_checksum_tree): Change type of buf.
315 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
317         * reload.c (push_secondary_reload): Initialize t_icode.
319 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
321         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
322         -msoft-float -mlong-double-128 only issue a warning, but don't
323         swich to DFmode long double.
325 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
327         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
328         has a constant equivalent, iterate over equivalents for arg0,
329         calling simplify_relational_operation and if there's a result
330         cheaper than X, apply fold_rtx and return the result.
332 2006-02-01  Jan Hubicka  <jh@suse.cz>
334         * opts.c (no_unit_at_a_time_default): New global variable.
335         (decode_options): Use it.
336         * opts.h (no_unit_at_a_time_default): Declare.
338 2006-02-01  Paul Brook  <paul@codesourcery.com>
340         * function.c (assign_parm_setup_reg): Use function argument promotion
341         rules.
342         * expr.c (expand_expr_real_1): Use function argument promotion rules
343         for PARM_DECLs.
345 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
347         * gcc.c (process_command): Change j to 'unsigned int'.
349 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
351         PR middle-end/26001
352         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
353         Use the corrected index for the character
354         out of the string constant.
356 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
358         * mode-switching.c (optimize_mode_switching): Fix size
359         allocated for bb_info[n_entities].
361 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
363         * gcc.c (main): Correct type that is allocated for
364         explicit_link_files.
366 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
368         * config/s390/s390.c (init_alignment_context): Set
369         ALIAS_SET_MEMORY_BARRIER on the MEM.
370         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
372 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
374         PR middle-end/25933
375         * loop-unroll.c (unroll_loop_runtime_iterations): Free
376         dom_bbs pointer.
377         * tree-ssa-live.c (type_var_init): Allocate bitmap after
378         call to tpa_init.
380 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
382         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
383         * regrename.c: Ditto.
384         * tree-ssa-loop-im.c: Ditto.
385         * tree-dump.c: Ditto.
386         * tree-complex.c: Ditto.
387         * genrecog.c: Ditto.
388         * tree-ssa-threadupdate.c: Ditto.
389         * tracer.c: Ditto.
390         * java/class.c: Ditto.
391         * java/jcf-parse.c: Ditto.
392         * java/resource.c: Ditto.
393         * java/except.c: Ditto.
394         * java/jvspec.c: Ditto.
395         * java/jcf-write.c: Ditto.
396         * java/jcf-path.c: Ditto.
397         * java/gjavah.c: Ditto.
398         * java/zextract.c: Ditto.
399         * java/jcf-io.c: Ditto.
400         * java/jcf.h: Ditto.
401         * java/buffer.c: Ditto.
402         * java/lang.c: Ditto.
403         * java/parse-scan.y: Ditto.
404         * java/lex.c: Ditto.
405         * java/lex.h: Ditto.
406         * cfgloopmanip.c: Ditto.
407         * postreload-gcse.c: Ditto.
408         * tree-ssa-loop-manip.c: Ditto.
409         * postreload.c: Ditto.
410         * tree-ssa-loop-ch.c: Ditto.
411         * loop.c: Ditto.
412         * ipa-cp.c: Ditto.
413         * cppspec.c: Ditto.
414         * diagnostic.c: Ditto.
415         * final.c: Ditto.
416         * genoutput.c: Ditto.
417         * gcc.c: Ditto.
418         * cfghooks.c: Ditto.
419         * cfgloopanal.c: Ditto.
420         * objc/objc-act.c: Ditto.
421         * gcov.c: Ditto.
422         * genextract.c: Ditto.
423         * genautomata.c: Ditto.
424         * pretty-print.c: Ditto.
425         * genemit.c: Ditto.
426         * cgraphunit.c: Ditto.
427         * flow.c: Ditto.
428         * df-scan.c: Ditto.
429         * haifa-sched.c: Ditto.
430         * dominance.c: Ditto.
431         * dbxout.c: Ditto.
432         * tree-ssa-loop-ivopts.c: Ditto.
433         * df-core.c: Ditto.
434         * mode-switching.c: Ditto.
435         * modulo-sched.c: Ditto.
436         * graph.c: Ditto.
437         * ipa-pure-const.c: Ditto.
438         * cse.c: Ditto.
439         * fix-header.c: Ditto.
440         * web.c: Ditto.
441         * tree-stdarg.c: Ditto.
442         * ipa-utils.c: Ditto.
443         * loop-init.c: Ditto.
444         * ipa-inline.c: Ditto.
445         * cfganal.c: Ditto.
446         * global.c: Ditto.
447         * alloc-pool.c: Ditto.
448         * dwarf2out.c: Ditto.
449         * opts.c: Ditto.
450         * genattrtab.c: Ditto.
451         * tree-ssa-loop-ivcanon.c: Ditto.
452         * predict.c: Ditto.
453         * timevar.c: Ditto.
454         * lcm.c: Ditto.
455         * fortran/gfortranspec.c: Ditto.
456         * regmove.c: Ditto.
457         * local-alloc.c: Ditto.
458         * langhooks.c: Ditto.
459         * function.c: Ditto.
460         * tree-vectorizer.c: Ditto.
461         * gcse.c: Ditto.
462         * ipa-type-escape.c: Ditto.
463         * alias.c: Ditto.
464         * tree-if-conv.c: Ditto.
465         * profile.c: Ditto.
466         * ipa.c: Ditto.
467         * tree-data-ref.c: Ditto.
468         * loop-unroll.c: Ditto.
469         * treelang/treetree.c: Ditto.
470         * calls.c: Ditto.
471         * bt-load.c: Ditto.
472         * ggc-common.c: Ditto.
473         * except.c: Ditto.
474         * coverage.c: Ditto.
475         * cselib.c: Ditto.
476         * tree-cfgcleanup.c: Ditto.
477         * tree-ssa-pre.c: Ditto.
478         * cfgcleanup.c: Ditto.
479         * loop-invariant.c: Ditto.
480         * loop-iv.c: Ditto.
481         * ipa-prop.c: Ditto.
482         * print-tree.c: Ditto.
483         * conflict.c: Ditto.
484         * ggc-page.c: Ditto.
485         * sched-deps.c: Ditto.
486         * regclass.c: Ditto.
487         * tree-object-size.c: Ditto.
488         * combine.c: Ditto.
489         * bb-reorder.c: Ditto.
490         * resource.c: Ditto.
491         * var-tracking.c: Ditto.
492         * cfgloop.c: Ditto.
493         * df-problems.c: Ditto.
494         * reg-stack.c: Ditto.
495         * tlink.c: Ditto.
496         * gccspec.c: Ditto.
497         * sched-rgn.c: Ditto.
498         * tree-ssa-structalias.c: Ditto.
499         * tree-ssa-reassoc.c: Ditto.
500         * config/darwin-c.c: Ditto.
501         * config/darwin.c: Ditto.
502         * config/arm/arm.c: Ditto.
503         * cfgrtl.c: Ditto.
504         * collect2.c: Ditto.
505         * reload1.c: Ditto.
507 2006-01-31  Nicolas Pitre  <nico@cam.org>
509         * arm.md (smaxsi3): Make aware of smax_m1.
510         (smax_m1): New.
512 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
514         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
516 2006-01-31  Richard Guenther  <rguenther@suse.de>
518         * doc/invoke.texi (-msselibm): Document.
519         * target.h (expand_library_builtin): New target hook.
520         * builtins.c (expand_builtin): Use expand_library_builtin.
521         (default_expand_library_builtin): New function.
522         * gcc.c (LINK_GCC_MATH_SPEC): Define.
523         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
524         (link_gcc_math_spec): Declare.
525         (static_specs): Add link_gcc_math_spec.
526         * expr.h (default_expand_library_builtin): Declare.
527         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
528         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
529         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
530         * config/i386/i386.opt (msselibm): New target option.
531         * config/i386/i386.c (ix86_builtin_function_variants): New array.
532         (ix86_init_sse_abi_builtins): New function.
533         (ix86_expand_library_builtin): Likewise.
534         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
535         (override_options): Handle error conditions wrt -msselibm.
536         (ix86_builtins): Add function codes for SSE2 ABI builtins.
537         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
538         * doc/extend.texi (__builtin_sse2_*): Document new target specific
539         builtins.
541 2006-01-31  Richard Guenther  <rguenther@suse.de>
542         Paolo Bonzini  <bonzini@gnu.org>
544         * doc/install.texi (--disable-libgcc-math): Document.
546 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
548         * expr.h (expand_normal): new inline function.
549         * builtins.c: use it, use EXPAND_NORMAL explicitely.
550         * dojump.c: use it.
551         * dwarf2out.c: use it.
552         * expr.c: use it.
553         * calls.c: use it.
554         * expmed.c: use it.
555         * except.c: use it.
556         * config/sparc/sparc.c: use it.
557         * config/i386/i386.c: use it.
558         * config/rs6000/rs6000.c: use it.
559         * config/arm/arm.c: use it.
560         * config/mips/mips.c: use it.
561         * stmt.c: use it, use EXPAND_NORMAL explicitely.
563 2006-01-30  Roger Sayle  <roger@eyesopen.com>
565         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
566         argv to the appropriate type.
568 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
570         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
571         unreachable code.
573 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
575         PR target/26018
576         * config/s390/s390.c (struct machine_function): New flag
577         decomposed_literal_pool_addresses_ok_p.
578         (s390_reorg): Set it before final stage of literal pool transforms.
579         (s390_decompose_address): Only accept displacements of the form
580         (minus (label_ref ...) (label_ref ...)) if that flag is set.
582 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
584         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
585         the comparison routine return.
587 2006-01-30  Michael Matz  <matz@suse.de>
589         * global.c (find_reg): Only evict for global regs.
590         Take n_refs into account and dump more info.
592 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
594         PR target/14798:
595         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
596         (pragma_trap, pragma_nosave_low_regs): Likewise.
597         (current_function_anonymous_args): Likewise.
598         (sh_deferred_function_attributes): New variable.
599         (sh_deferred_function_attributes_tail): Likewise.
600         (print_operand): For '@', look up trap_exit attribute.
601         (calc_live_regs): Look up trapa_handler attribute.  For trapa
602         handlers, save/restore fpscr, but don't do any other
603         interrupt-specific saves.
604         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
605         Fix check for partially saved registers to check for SHmedia.
606         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
607         (sh_output_function_epilogue): Don't clear any of the removed
608         variables.
609         (sh_insert_attributes): Don't check pragma_interrupt.
610         Insert deferred attributes.  Check that interrupt attribute is
611         present for other attributes that require its presence.
612         (sh_attribute_table): Add new attributes trapa_handler and
613         nosave_low_regs.
614         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
615         Don't check for pragma_interrupt.  Don't store argument.
616         * sh.h (pragma_interrupt, sp_switch): Don't declare.
617         (sh_deferred_function_attributes): Declare.
618         (sh_deferred_function_attributes_tail): Likewise.
619         * sh.md (sp_switch_1): Add operand.  Change generator caller.
620         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
621         (*return_i): Don't use when trap_exit attribute is in effect.
622         (*return_trapa): New insn pattern.
623         * sh-c.c: New file.
624         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
625         setting c_target_objs and cxx_target_objs.
626         * t-sh: Add rule for sh-c.o.
628 2006-01-30  Richard Guenther  <rguenther@suse.de>
630         PR c++/23372
631         * gimplify.c (gimplify_target_expr): Handle easy cases
632         without creating a temporary.
634 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
636         * vec.h (safe_grow): Remove duplicated line.
638 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
640         PR 25874
641         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
642         (expand_omp): ... here.
643         (expand_omp_parallel): Only remove barriers for combined
644         parallel+workshare constructs.
646 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
648         Revert
650         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
651         * tree.c (build_qualified_type): Chain the new type to the original
652         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
653         a POINTER_TYPE or a REFERENCE_TYPE respectively.
654         (build_pointer_type_for_mode): Only return unqualified types.
655         (build_reference_type_for_mode): Likewise.
657 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
659         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
660         * Makefile.in (CXX_COMPAT_WARN): Define.
661         * configure: Regenerate.
663 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
665         PR tree-opt/25911
666         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
667         to an if check.
669 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
671         * toplev.c: Fix thinko.
673 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
674             Marcin Dalecki  <martin@dalecki.de>
676         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
677         (push_srcloc): Use XNEW.
678         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
680 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
682         * df-core.c (df_set_blocks): Deleted all variable.
684 2006-01-28  Ian Lance Taylor  <ian@airs.com>
686         * cgraphunit.c (cgraph_assemble_pending_functions): Call
687         cgraph_output_pending_asms.
689 2006-01-28  Zack Weinberg  <zackw@panix.com>
691         * c.opt: Add -W(no-)overlength-strings.
692         * doc/invoke.texi: Document it.
693         * c-opts.c (c_common_handle_option): -pedantic implies
694         -Woverlength-strings, if not explicitly disabled already.
695         (c_common_post_options): -Woverlength-strings defaults to off, and
696         is always off for C++.
697         * c-common.c (fix_string_type): Issue warning about strings longer
698         than is portable only if warn_overlength_strings.  Rearrange code
699         a little for clarity.
700         * configure.in: Check for -Wno-overlength-strings as well before
701         enabling -pedantic in stage 1.
702         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
703         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
705         * genconditions.c (write_header, write_one_condition)
706         (write_conditions, write_writer): Consolidate very long strings
707         that were broken up to fit in C89 portable limit.  Don't use
708         printf when fputs will do.
710 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
712         * combine.c (simplify_comparison <AND>): Check
713         TRULY_NOOP_TRUNCATION before start using a subreg.
715         * config/mips/mips.md (*branch_zero<mode>,
716         *branch_zero<mode>_inverted, *branch_equality<mode>,
717         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
718         Remove mode check from comparisons.
720 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
722         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
724 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
726         * expmed.c (const_mult_add_overflow_p): Remove.
727         * expr.h: Remove the prototype for const_mult_add_overflow_p.
729         * recog.c (validate_replace_rtx_subexp): Remove.
730         * recog.h: Remove the prototype for
731         validate_replace_rtx_subexp.
733         * integrate.h: Remove the prototype for
734         copy_decl_for_inlining.
735         * rtl.h: Remove the prototype for mark_constant_function.
736         * tree-vectorizer.h: Remove the prototype for
737         vect_strip_conversion.
739         * modulo-sched.c (create_partial_schedule,
740         free_partial_schedule, reset_partial_schedule): Make them
741         static.
743         * hooks.c (hook_bool_rtx_int_false): Remove.
744         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
746 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
748         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
749         and -mlong-double-128 are incompatible.
750         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
751         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
752         (TARGET_LIBGCC2_CFLAGS): Define.
753         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
754         (TARGET_LIBGCC2_CFLAGS): Same.
755         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
757 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
759         PR c/19606.
760         * c-typeck.c (build_binary_op): Perform implicit casts of
761         operands before shortening them.
763         * cfgloopmanip.c (split_loop_bb): Remove.
764         * cfgloop.h: Remove the prototype for split_loop_bb.
766         * cfgloop.c (flow_loop_outside_edge_p): Remove.
767         * cfgloop.h: Remove the prototype for
768         flow_loop_outside_edge_p.
770         * emit-rtl.c (init_virtual_regs): Make it static.
771         * function.h: Remove the prototype for init_virtual_regs.
773         * recog.c (peephole2_optimize): Make it static.
774         * recog.h: Remove the prototype for peephole2_optimize.
776 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
778         * df-scan.c (df_record_entry_block_defs): Check if
779         INCOMING_RETURN_ADDR_RTX is defined.
781 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
782             Kenneth Zadeck <zadeck@naturalbridge.com>
784         PR rtl-optimization/24762
785         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
786         * targhooks.c (hook_void_bitmap): New hook prototype.
787         * targhoohs.h (hook_void_bitmap): Ditto.
788         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
789         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
790         * target.h (live_on_entry): New function pointer.
791         * df-scan.c (df_all_hard_regs): Removed.
792         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
793         (df_scan_free_internal): Added df->entry_block_defs.
794         (df_scan_alloc): Ditto.
795         (df_scan_dump): Ditto.
796         (df_uses_record): Plumbed flag field properly thru calls.
797         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
798         This part fixes PR24762.
799         (df_bb_refs_record): Added code to make the frame and arg
800         pointers live in EH blocks.
801         (df_refs_record): Added call to df_record_entry_block_defs.
802         (df_record_entry_block_defs): New function.
803         * df-core.c: Added comments to describe new artifical defs.
804         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
805         (entry_block_defs): New field in struct df.
806         (df_all_hard_regs): Deleted.
807         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
808         * df-problems.c (df_ru_bb_local_compute_process_def):
809         Added code to handle artifical defs in the entry to a function.
810         (df_ru_bb_local_compute): Ditto.
811         (df_rd_bb_local_compute_process_def):  Ditto.
812         (df_rd_bb_local_compute): Ditto.
813         (df_lr_bb_local_compute): Ditto.
814         (df_ur_bb_local_compute): Ditto.
815         (df_urec_bb_local_compute):  Ditto.
816         (df_chain_create_bb):  Ditto.
817         (df_ur_local_finalize): Removed entry.
818         (df_urec_init): Ditto.
819         (df_urec_local_finalize): Ditto.
820         (df_ri_bb_compute): Added detection of last use of pseudos.
821         * Makefile.in (df-scan.o): Updated dependencies.
822         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
823         * config/mips/mips.c (mips_set_live_on_entry): Added.
824         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
825         for target hook.
826         * dce.c (marked_insn_p): Added code to handle artifical defs.
828 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
830         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
831         intrinsic.
832         (_mm_cvtsi128_si64): Likewise.
833         (_mm_cvtsd_si64): Likewise.
834         (_mm_cvttsd_si64): Likewise.
835         (_mm_cvtsi64_sd): Likewise.
836         (_mm_cvtsi64_si128): Likewise.
837         * config/i386/mmintrin.h (_m_from_int64): Likewise.
838         (_mm_cvtsi64_m64): Likewise.
839         (_m_to_int64): Likewise.
840         (_mm_cvtm64_si64): Likewise.
841         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
842         (_mm_cvttss_si64): Likewise.
843         (_mm_cvtsi64_ss): Likewise.
844         (_mm_cvtss_f32): Likewise.
846 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
848         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
849         for pragma redefine_extname.
851 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
853         PR target/25864
854         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
855         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
856         -mno-minimal-toc to previous content.
857         (bispecs): Remove goal.
858         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
859         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
860         compatibility aliases on powerpc-*-*gnu*.
861         * config/rs6000/libgcc-ppc-glibc.ver: New file.
862         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
863         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
864         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
865         (ldblspecs): New goal.
866         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
867         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
868         _df_to_tf.
869         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
870         L_sf_to_tf or L_df_to_tf is defined.
872 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
873             Alan Modra  <amodra@bigpond.net.au>
875         PR target/25864
876         * config/rs6000/linux.h (POWERPC_LINUX): Define.
877         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
878         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
879         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
880         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
881         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
882         (rs6000_override_options): Initialize rs6000_ieeequad.
883         Initialize TFmode format to ibm_extended_format if not
884         TARGET_IEEEQUAD.
885         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
886         ieeelongdouble.
887         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
888         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
889         (function_arg_advance): IBM long double passed in two FPRs, not
890         split.
891         (function_arg): IBM long double passed in FPRs.
892         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
893         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
894         Only multireg GPR aligned.
895         (rs6000_init_libfuncs): Enable IBM long double functions if not
896         IEEEQUAD.
897         (rs6000_generate_compare): Use IBM long double compare if not
898         TARGET_IEEEQUAD.
899         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
900         (TARGET_IEEEQUAD): Define.
901         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
902         not TARGET_IEEEQUAD.
903         * config/rs6000/rs6000.md: Enable TFmode patterns if
904         !TARGET_IEEEQUAD.
905         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
906         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
907         and -mlong-double-128 are incompatible.
908         * doc/invoke.texi (-mabi): Collect options together.  Add
909         ibmlongdouble and ieeelongdouble.
911 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
913         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
914         opaque type.
915         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
916         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
917         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
918         * rtl.h (rtunion_def): Remove rt_ptr.
919         (X0PTR): Delete.
920         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
921         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
922         * config/i386/winnt.c (i386_pe_mark_dllexport)
923         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
925 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
927         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
929 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
931         PR other/24829
932         PR target/24831
933         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
934         pthread_key_delete.  From John David Anglin.  gthrw-ify
935         pthread_getunique_np only if it it's not a macro.  Delete
936         UNUSED macro.
937         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
938         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
939         __gthread_objc_condition_signal, __gthread_key_delete): Add
940         "__attribute__ ((__unused__))" to unused arguments.
941         (__gthread_recursive_mutex_init_function): Add missing return.
942         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
943         gthr-posix95.h: Use macro-based approach for name redirection
944         on targets missing weakref.
946 2006-01-26  Zack Weinberg  <zackw@panix.com>
948         * genconditions.c (write_header): In generated code, #ifdef out
949         all includes and fake declarations, except includes of bconfig.h
950         and system.h, unless GCC_VERSION >= 3001.  Do not include
951         gensupport.h in any case.
952         (write_conditions): Generate a definition of struct c_test.  Add
953         a comment to the generated #endif.
954         (write_one_condition): Escape backslashes in string too.
955         (write_writer): Generated code must escape backslashes and quote
956         marks (but not newlines) in the strings it writes.
957         * Makefile.in (build/gencondmd.o): Update dependencies.
959 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
961         PR target/25961
962         * Makefile.in (insn-automata.o): Add header file dependencies.
963         * genautomata.c: Add includes.
965 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
967         PR target/25961
968         * Makefile.in (insn-automata.o): Add -Wno-error flag.
970 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
972         * configure.ac: Expect target tools paths to be passed from the toplevel
973         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
974         AS_SET_VAR_IF.
975         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
977 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
979         PR c/25892
980         * c.opt (Wpointer-sign): Init to -1.
981         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
982         OPT_pedantic, to 0 otherwise.
983         * doc/invoke.texi: Update.
985 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
987         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
988         constants provided by 80387 instructions in the destination mode.
990 2006-01-26  Richard Guenther  <rguenther@suse.de>
991             Andrew Pinski  <pinskia@physics.uc.edu>
993         PR tree-opt/21470
994         partial PR tree-opt/17064
995         * tree-ssa-structalias.c (intra_create_variable_infos):
996         Create heap variables for incoming parameters if
997         flag_argument_noalias > 1.
998         (find_what_p_points_to): Look through default defs of
999         parameter decls.
1001 2006-01-26  Jeff Law  <law@redhat.com>
1003         PR ada/25900
1004         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1005         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1006         within the VR_RANGE, use the VR_RANGE as the result, not the
1007         VR_ANTI_RANGE.
1008         (adjust_range_with_scev): Reject ranges from SCEV which are out of
1009         bounds for the type.
1011 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
1013         * tree-ssa-alias.c (maybe_create_global_var): Change
1014         subvar walking to an assertion that we don't have subvar'd variables.
1016 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
1018         PR C/25861
1019         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1020         Use a new variable, inner.  PARM_DECLs are always non-weak.
1022 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1024         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1025         --disable-checking.
1027 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1029         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1031 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1033         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1034         (smax_insn, smin_insn, smax_0, smin_0): New.
1036 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1038         PR target/25947
1039         * config/cris/cris.c (cris_order_for_addsi3): New function.
1040         * config/cris/cris-protos.h: Prototype it.
1041         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1042         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1043         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1044         (split for "op.S1 [rx=rx+i],ry (swapped)")
1045         (split for "op(s|u).S1 [rx=rx+i],ry")
1046         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1047         Apply cris_order_for_addsi3 when generating addsi3 insns.
1049 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1051         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1052         (TREE_BLOCK): Add call to EXPR_CHECK.
1054 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1056         PR 25886
1057         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1058         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1059         (dump_omp_clauses): ... here.
1060         (dump_generic_node): Handle OMP_CLAUSE.
1061         * tree.c (omp_clause_num_ops): New.
1062         (omp_clause_code_name): New.
1063         (tree_code_size): Handle OMP_CLAUSE.
1064         (tree_size): Likewise.
1065         (make_node): Document handling of OMP_CLAUSE.
1066         (tree_node_structure): Handle OMP_CLAUSE.
1067         (omp_clause_check_failed): New.
1068         (omp_clause_range_check_failed): New.
1069         (omp_clause_operand_check_failed): New.
1070         (build_omp_clause): New.
1071         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1072         * tree.h (enum omp_clause_code): Declare.
1073         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1074         (OMP_CLAUSE_RANGE_CHECK): Define.
1075         (OMP_CLAUSE_ELT_CHECK): Define.
1076         (omp_clause_check_failed): Declare.
1077         (omp_clause_operand_check_failed): Declare.
1078         (omp_clause_range_check_failed): Declare.
1079         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1080         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1081         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1082         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1083         (OMP_CLAUSE_IF_EXPR): Likewise.
1084         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1085         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1086         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1087         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1088         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1089         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1090         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1091         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1092         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1093         (OMP_CLAUSE_CODE): Define.
1094         (OMP_CLAUSE_SET_CODE): Define.
1095         (OMP_CLAUSE_CODE): Define.
1096         (OMP_CLAUSE_OPERAND): Define.
1097         (struct tree_omp_clause): Declare.
1098         (union tree_node): Add field 'omp_clause'.
1099         * treestruct.def (TS_OMP_CLAUSE): Define.
1100         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1101         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1102         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1103         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1104         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1105         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1106         (OMP_CLAUSE): Define.
1107         * print-tree.c (print_node): Handle OMP_CLAUSE.
1108         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1109         * c-typeck.c: Likewise.
1110         * gimplify.c: Likewise.
1111         * c-omp.c: Likewise.
1112         * tree-nested.c: Likewise.
1113         * tree-inline.c: Likewise.
1114         * c-parser.c: Likewise.
1115         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1116         clauses.
1118 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1120         PR rtl-optimization/25703
1121         * combine.c (try_combine): Handle zero_extract and strict_low_part
1122         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1124 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1126         * global.c: Fix comment typos.
1128 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1130         PR target/25758
1131         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1132         Use output_addr_const instead of assemble_name.
1134 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1136         * Makefile.in (sched-vis.o): Update dependencies.
1137         * haifa-sched.c (sched_finish): Clear current_sched_info.
1138         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1139         (dump_flow_info): Call it.
1140         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1141         a slim RTL dump.
1142         * basic-block.h (dump_bb_info): Declare.
1143         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1144         option, and apply options only for dump files whose TDF_RTL,
1145         TDF_TREE, or TDF_IPA bits match.
1146         * rtl.h: Declare new functions exported from sched-vis.c.
1147         * sched-vis.c: Enable also if scheduling is not used.
1148         (print_value): Print the mode of registers if not inside scheduling.
1149         (print_insn): Make it work outside the scheduler.  Beautify the output
1150         a bit.
1151         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1153 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1155         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1156         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1157         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1158         depending on the value of CONSTANT_POOL_ADDRESS_P.
1159         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1160         SYMBOL_REF_DECL.
1161         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1162         rather than SYMBOL_REF_DECL.
1163         (rtx_constant_pool): Remove const_rtx_sym_htab.
1164         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1165         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1166         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1167         Remove handling of const_rtx_sym_htab.
1168         (find_pool_constant): Delete.
1169         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1170         rather than find_pool_constant.
1171         (get_pool_constant_for_function): Delete.
1172         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1173         find_pool_constant.
1174         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1175         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1176         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1177         (SYMBOL_REF_CONSTANT): New macro.
1178         (get_pool_constant_for_function): Delete.
1179         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1180         rather than SYMBOL_REF_DECL.
1181         (i386_pe_mark_dllimport): Likewise.
1182         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1183         rather than SYMBOL_REF_DECL.
1184         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1185         (machopic_indirect_call_target): Likewise.
1187 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1189         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1191 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1193         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1195 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1197         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1199 2006-01-24  David Daney  <ddaney@avtrex.com>
1201         PR java/25816
1202         * configure.ac (enable_tls): New enable option.
1203         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1204         * configure: Regenerate.
1205         * doc/install.texi (--enable-tls): Document new option.
1206         (--disable-tls): Ditto.
1208 2006-01-24  Richard Henderson  <rth@redehat.com>
1210         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1211         * alias.c (true_dependence): Respect it.
1212         (canon_true_dependence, write_dependence_p): Likewise.
1213         * builtins.c (get_builtin_sync_mem): Set it.
1215 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1217         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1218         efficient way.
1220 2006-01-24  DJ Delorie  <dj@redhat.com>
1222         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1223         for storing constants in single-bit bitfields.
1225 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1227         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1229 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1231         PR tree-opt/25860
1232         * tree-ssa-pre.c (phi_translate): Return NULL
1233         for AGGREGATE_TYPE's.
1235 2006-01-24  Zack Weinberg  <zackw@panix.com>
1237         * genautomata.c (process_state_for_insn_equiv_partition):
1238         Use xcalloc for insn_arcs_array.
1239         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1240         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1242 2006-01-24  Richard Henderson  <rth@redhat.com>
1244         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1245         update all callers.
1247 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1249         PR rtl-optimization/25890
1250         PR rtl-optimization/25905
1251         * combine.c (expand_compound_operation, expand_field_assignment):
1252         Fail if the bitfield's final position is out of bounds.
1254 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1256         PR middle-end/25930
1257         * cgraphunit.c (cgraph_output_in_order): Don't clear
1258         cgraph_asm_nodes until after asm strings have been output.
1260 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1262         * fix-header.c (read_scan_file): Add new parameter imultilib when
1263         calling register_include_chains.
1265 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1267         * omp-low.c: Update documentation.
1269 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1270             Daniel Berlin  <dberlin@dberlin.org>
1272         PR tree-opt/25315
1273         PR tree-opt/25857
1274         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1275         return from the function.
1277 2006-01-22  Zack Weinberg  <zackw@panix.com>
1279         * rtl.def (match_code): Add second argument.
1280         * genpreds.c (write_extract_subexp): New function.
1281         (write_match_code): Add path argument.  Use write_extract_subexp.
1282         (write_predicate_expr): Pass path to write_match_code.
1283         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1284         not perform a mode test.
1285         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1286         a subexpression does not constrain the top-level code set.
1287         * read-rtl.c (read_rtx_variadic): New function.
1288         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1289         * doc/md.texi: Document new notation.
1290         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1291         (cmpsi_operand): ... here, using new notation.
1293 2006-01-22  Zack Weinberg  <zackw@panix.com>
1295         * varray.c: Remove GENERATOR_FILE #ifdefs.
1297 2006-01-22  Zack Weinberg  <zackw@panix.com>
1299         * genautomata.c (output_reserved_units_table): Emit nothing if
1300         description->query_units_num is zero.  Remove extra blank line.
1301         (output_cpu_unit_reservation_p): Short circuit
1302         if description->query_units_num is zero.
1304 2006-01-22  Zack Weinberg  <zackw@panix.com>
1306         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1307         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1308         nor any of the random handful of variables that used to be necessary
1309         when this program was linked with rtlanal.o.  Prune set of forward
1310         function declarations.
1311         (struct attr_desc): Remove static_p field.
1312         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1313         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1314         (attr_string): Do not read the character one past the length of
1315         the string.
1316         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1317         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1318         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1319         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1320         (make_automaton_attrs): New.
1321         (main): Do not call into genautomata.  Call local gen_bypass
1322         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1323         Remove special case for insn_alts.
1324         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1325         varray.h (leftover from previous change).  Prune set of forward
1326         function declarations.  Remove state_alts fields from all
1327         structures.  Remove state_alts_table from struct automaton.
1328         Make everything except main static.  Do not maintain num_dfa_decls.
1329         Do not maintain state_alts fields of various structures.
1330         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1331         (add_arc): Remove state_alts argument.  All callers updated.
1332         (output_reserved_units_table): Emit #ifdef here...
1333         (output_tables): ...not here.  Don't generate state_alts tables.
1334         (expand_automata): Don't generate attributes.
1335         (write_automata): Don't generate state_alts functions.
1336         (main): New function.
1337         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1338         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1339         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1340         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1341         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1342         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1343         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1344         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1345         Delete.
1346         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1347         * genattrtab.h: Delete file.
1348         * Makefile.in (OBJS-common): Add insn-automata.o.
1349         (insn-automata.o): New rule.
1350         (simple_generated_c): Add insn-automata.c.
1351         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1352         (genprogmd): Add automata.
1353         (build/genattrtab): Needs no extra objects nor libraries.
1354         (build/genautomata): Needs build/vec.o and -lm.
1356 2006-01-22  Zack Weinberg  <zackw@panix.com>
1358         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1359         (output_dfa_max_issue_rate, locked_states_num): Delete.
1360         (struct automaton): Add locked_states field.
1361         (output_dead_lock_vect): Save number of locked states in
1362         automaton->locked_states.  If it is zero, don't print anything.
1363         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1364         (output_internal_dead_lock_func): Only test the dead_lock_vect
1365         for automata that have locked states.
1366         (output_statistics): Always print the number of locked states for
1367         each automaton.  Calculate total number of locked states here.
1368         (write_automata): Don't call output_dfa_max_issue_rate.
1369         * genattrtab.c: Define length_unit_log as a const variable.
1370         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1371         max_insn_queue_index const.
1372         * final.c (length_unit_log): Declare const.
1373         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1375 2006-01-22  Zack Weinberg  <zackw@panix.com>
1377         * genautomata.c:  Include vec.h, not varray.h.
1378         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1379         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1380         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1381         VEC_* macros operating on appropriately typed vectors, or to
1382         malloced arrays when the size is known in advance.  Const-ify
1383         many char* variables and function arguments.  No functional changes.
1384         * Makefile.in (build/varray.o): Delete rule.
1385         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1386         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1388 2006-01-22  Zack Weinberg  <zackw@panix.com>
1390         * gensupport.c: Define get_insn_name and record_insn_name here.
1391         (read_md_rtx): Call record_insn_name as appropriate.
1392         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1393         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1394         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1395         record_insn_name.
1396         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1397         (BUILD_VARRAY): Delete.
1398         (genprognormal): Rename genprogmd.  Fold in all programs from
1399         genprognoprint; also attrtab.
1400         (build/genattrtab): Just mention genautomata.o and varray.o.
1401         Reorganize a bit, add comments to make the categories clearer.
1403 2006-01-22  Zack Weinberg  <zackw@panix.com>
1405         * genconditions.c (condition_table, add_condition): Delete.
1406         (write_conditions): Don't emit n_insn_conditions nor
1407         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1408         inside the table, with no #else clause ...
1409         (write_header): ...not here.
1410         (write_writer): New function.
1411         (main): Don't initialize condition_table.  Use add_c_test.
1412         Call write_writer.
1413         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1414         files on the command line.
1415         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1416         Return -1 if there is no entry in the table, don't abort.
1417         (add_c_test, traverse_c_tests): New functions.
1418         * gensupport.h (insn_elision_unavailable, insn_conditions)
1419         (n_insn_conditions): Delete declarations.
1420         (add_c_test, traverse_c_tests): Declare.
1421         * read-rtl.c: Include gensupport.h.
1422         (read_conditions): New function.
1423         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1424         (read_rtx_1): If we get EOF when we were looking for an initial
1425         open paren, return 0.  Call read_conditions when appropriate.
1426         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1427         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1428         or change them to build/gencondmd.o, as appropriate.  Remove
1429         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1430         from $(simple_generated_c).  For all files remaining in those
1431         two lists, add insn-conditions.md to the generator command line.
1432         Give insn-constants.h/s-constants their own rules.  Add rules
1433         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1434         (build/read-rtl.o): Depend on gensupport.h.
1435         (genprognormal): Include preds.
1436         (genprogearly): Rename genprognoprint; only difference is now that
1437         they don't link with $(BUILD_PRINT).
1438         * dummy-conditions.c: Delete.
1440 2006-01-22  Zack Weinberg  <zackw@panix.com>
1442         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1443         Declare vectors of int, char, and locstr.
1444         (locstr): New typedef.
1445         (struct extraction): Make all array fields into bare pointers.
1446         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1447         (insn_code_number): Delete.
1448         (accum_extract): New struct.
1449         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1450         (gen_insn): Take insn_code_number as an argument.  Use an
1451         accum_extract structure instead of loading data directly into
1452         a struct extraction, and having to know how big it might get.
1453         (walk_rtx): Operate entirely on an accum_extract structure.
1454         (print_path): Avoid unnecessary use of printf.
1455         (print_header): New function, split out of main.  Distinguish
1456         more carefully between an unrecognizable insn and an insn that
1457         has the code number of a define_expand.
1458         (main): Pass insn_code_number to gen_insn.  Call print_header
1459         only after parsing.  Avoid unnecessary use of printf.
1460         * Makefile.in (build/vec.o): New rule.
1461         (build/genextract): Depend on build/vec.o.
1462         (build/genextract.o): Don't depend on insn-config.h.
1464 2006-01-22  Zack Weinberg  <zackw@panix.com>
1466         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1467         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1468         practical.  Eliminate per-generator-program link rules.
1470 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1472         PR middle-end/24437
1473         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1474         with a call expr to ...
1475         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1477 2006-01-23  Richard Guenther  <rguenther@suse.de>
1479         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1480         before make_edge with conditional EDGE_TRUE_VALUE.
1482 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1483         Jan Hubicka  <jh@suse.cz>
1484         Richard Guenther  <rguenther@suse.de>
1486         PR rtl-optimization/25654
1487         * cfgexpand.c (aggregate_contains_union_type): New function.
1488         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1489         for structure variables that contain a union type.
1491 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1493         * gengtype.c (new_structure): Return the structure.
1494         (create_option): Add an extra "next" argument.
1495         (create_field): New function.
1496         (adjust_field_rtx_def): Use create_option and create_field.
1497         Remove a now-unnecessary call to find_structure.
1498         (adjust_field_tree_def): Likewise.
1499         (note_yacc_type): Remove an unnecessary call to find_structure.
1500         * gengtype.h (new_structure): Return the structure.
1501         (create_option): Add an extra argument.
1502         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1503         (option): Adjust calls to create_option.
1505 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
1507         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1509 2006-01-22  Paul Brook  <paul@codesourcery.com>
1510         Peter Barada  <peter@the-baradas.com>
1512         * config/m68k/m68k.md: Add Coldfire FPU support.
1513         Define FP mode macro and associated attributes.
1514         Use it for float mode patterns.
1515         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1516         (LIBCALL_VALUE): Use m68k_libcall_value.
1517         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1518         (m68k_function_value): Ditto.
1519         (emit_move_sequence): Ditto.
1520         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1521         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1522         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1523         (MULTILIB_EXCEPTIONS): Ditto.
1524         * config/m68k/m68k.opt: Add mcfv4e.
1525         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1526         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1527         (m68k_output_function_prologue): Save ColdFire FPU registers.
1528         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1529         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1530         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1531         ColdFire FPU registers.
1532         (m68k_libcall_value, m68k_function_value): New functions.
1533         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1534         (LIBCALL_VALUE): Use m68k_libcall_value.
1535         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1536         (MASK_COLDFIRE): Add MASK_CFV4E.
1537         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1538         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1539         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1540         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1541         (GO_IF_LEGITIMATE_ADDRESS): Use it.
1542         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1543         * doc/invoke.tex: Document -mcfv4e on m68k.
1545 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1547         * doc/contribute.texi: Change CVS to SVN and update the corresponding
1548         URL.
1550 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1552         PR c++/16190
1553         * c-opts.c (c_common_handle_option): Don't include
1554         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1555         * doc/invoke.texi (C++ Dialect Options): Document that
1556         -Wnon-virtual-dtor is no longer included in -Wall.
1558 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
1560         * gcov.c (print_version), gcov-dump.c (print_version),
1561         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1562         dates.
1564 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1566         * df-scan.c (problem_SCAN): Added NULL reset function.
1567         (df_scan_reset_blocks): Added code to call reset block function
1568         (df_bb_refs_delete) Fixed comment.
1569         (df_insn_refs_delete): Made tolerant of deleting non existent info
1570         for dataflow problems that need to be reset.
1571         * df-core.c (df_set_blocks): Ditto.
1572         * df.h (struct df_problem): Added reset_fun.
1573         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1574         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1575         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1576         functions to clear out all references to def-use or use-def chains.
1578 2006-01-21  Ben Elliston  <bje@au.ibm.com>
1580         * varasm.c (assemble_real): Initialise data array.
1582 2006-01-20  Paul Brook  <paul@codesourcery.com>
1584         Merge from csl-arm-branch.
1585         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1586         * config/arm/arm.md (movdi): Force operands[1] to a register
1587         if we have a non-register source.
1588         (*arm_movdi, *movdf_soft_insn): Require that one of the
1589         operands be a register.
1590         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1591         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1593 2006-01-20  DJ Delorie  <dj@redhat.com>
1595         * varasm.c (initialize_constant_valid_p): Allow pointers
1596         initialized from integer constants of lesser precision.
1597         (output_constant): Allow non-int-sized pointer modes to be
1598         initialized from integer constants.
1600 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
1602         PR libstdc++/25524
1603         * cppdefault.h (struct default_include): Add multilib flag.
1604         * cppdefault.c (cpp_include_defaults): Set it.
1605         * c.opt (-imultilib): New option.
1606         * c-opts.c (imultilib): New.
1607         (c_common_handle_option): Handle -imultilib.
1608         (c_common_post_options): Likewise.
1609         * c-incpath.c (add_standard_paths, register_include_chains):
1610         Likewise.
1611         * c-incpath.h (register_include_chains): Add extra parameter.
1612         * gcc.c (do_spec_1): Generate -imultilib option.
1613         (The Specs Language): Update %I description.
1614         (process_command): Update copyright notice.
1615         * doc/cppopts.texi (-imultilib): Document.
1616         * doc/invoke.texi (-imultilib): Include in option summary.
1617         (%I): Update specs documentation.
1619 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1621         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1623 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
1625         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1626         label numbers.
1628 2006-01-20  Richard Guenther  <rguenther@suse.de>
1629         Steven Bosscher <stevenb.gcc@gmail.com>
1631         PR rtl-optimization/24626
1632         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1633         EDGE_TRUE_VALUE if in RTL mode.
1635         Revert
1636         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1637         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1639 2006-01-20  Dirk Mueller  <dmueller@suse.com>
1641         PR c++/5520
1642         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1643         instead of a special NOP marker.
1644         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1645         NOP marker handling.
1646         * c-common.h (empty_body_warning): Add forward declaration.
1647         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1648         Now uses IS_EMPTY_STMT() instead of special NOP markers.
1650 2006-01-20  Paul Brook  <paul@codesourcery.com>
1652         * Makefile.in (lang_checks): Keep going if mkdir fails.
1654 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1656         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1657         be able to clean out basic block when not necessary.
1658         (df_scan_free): Fixed to properly delete information if df is
1659         unused before calling df_finish.
1660         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1661         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1662         or comment typos.
1663         (df_bb_refs_delete): New function.
1664         (df_refs_delete): Moved per block code to df_bb_refs_delete.
1665         * df-core.c (df_set_blocks): Added code to properly clean out
1666         unused blocks if they are not part of the blocks to consider.
1667         Added additional null check.
1668         (df_compact_blocks): Added basic block parameter to free_bb_fun to
1669         be able to clean out basic block when not necessary
1670         * df.h (df_free_bb_function): Ditto.
1671         (df_bb_refs_delete): New function.
1672         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1673         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1674         basic block parameter to be able to clean out basic block when not
1675         necessary.
1676         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1677         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1678         Fixed to properly delete information if df is unused before
1679         calling df_finish.
1681 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1683         PR rtl-optimization/25799
1684         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1685         Corrected confluence operator to remove bits from op2 before oring
1686         with op1 rather than removing bits from op1.
1687         (df_ru_transfer_function): Corrected test on wrong bitmap which
1688         caused infinite loop.  Both of these problems were introduced in
1689         the dataflow rewrite.
1691 2006-01-19  DJ Delorie  <dj@redhat.com>
1693         * reload1.c (find_reload_regs): Note the details of reload
1694         failures in the dump file.
1695         (spill_failure): Likewise.
1697 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1699         * loop-iv.c: Include df.h and hashtab.h.
1700         (enum iv_grd_result): New enum.
1701         (DF_REF_IV, DF_REF_IV_SET): New macros.
1702         (struct biv_entry): New.
1703         (df, bivs): New global variables.
1704         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1705         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1706         Removed.
1707         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1708         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1709         analyzed_for_bivness_p, record_biv): New functions.
1710         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1711         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1712         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1713         UD chains.
1714         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1715         analysed.
1716         (iv_number_of_iterations): Use new interface to iv analysis.
1717         * loop-unroll.c: Do not include varray.h.
1718         (analyze_iv_to_split_insn): Use new interface to iv
1719         analysis.
1720         * loop-unswitch.c (may_unswitch_on): Ditto.
1721         * df.c (df_bitmaps_free): Only work for bbs for that structures are
1722         allocated.
1723         (df_bb_modify): Realloc tables to the new index.
1724         (df_find_use): New function.
1725         * df.h (df_find_use): Declare.
1726         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1727         outmode.
1728         * cfgloop.h (struct rtx_iv): Remove analysed field.
1729         (iv_get_reaching_def): Removed.
1730         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1731         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1732         (loop-iv.o): Add df.h and hashtab.h dependency.
1733         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1735 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
1737         PR target/25668
1738         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1739         Double TFmode.
1740         (__floatundisf, __floatundidf): Likewise.
1741         * libgcc2.h (IS_IBM_EXTENDED): Define.
1743 2006-01-19  DJ Delorie  <dj@redhat.com>
1745         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1747 2006-01-19  Paul Brook  <paul@codesourcery.com>
1749         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1750         as nothrow when unwinding tables are disabled.
1752 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1754         PR testsuite/25171
1755         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1756         of bit-field" when in system header.
1758 2006-01-19  DJ Delorie  <dj@redhat.com>
1760         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1761         the 16 bit shift limit of the m16c.
1763 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
1765         PR target/22099
1766         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1767         * config/i386/i386.c (output_set_got): Output the label if we have one
1768         for the TARGET_DEEP_BRANCH_PREDICTION case.
1770 2006-01-19  Jan Hubicka  <jh@suse.cz>
1771             H.J. Lu  <hongjiu.lu@intel.com>
1772             Evandro Menezes <evandro.menezes@amd.com>
1774         * invoke.texi (generic): Document
1775         (i686) Update.
1776         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1777         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1778         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1779         (x86_use_incdec, x86_pad_returns): New variables
1780         (TARGET_CPU_DEFAULT_generic): New constant
1781         (TARGET_CPU_DEFAULT_NAMES): Add generic.
1782         (enum processor_type): Add generic32 and generic64.
1783         * i386.md (cpu attribute): Add generic32/generic64
1784         (movhi splitter): Behave sanely when both partial_reg_dependency and
1785         partial_reg_stall are set.
1786         (K8 splitters): Enable for generic as well.
1787         * predicates.md (incdec_operand): Use TARGET_INCDEC
1788         (aligned_operand): Avoid memory mismatch stalls.
1789         * athlon.md: Enable for generic64, new patterns for 128bit moves.
1790         * ppro.md: Enable for generic32
1791         * i386.c (generic64_cost, generic32_cost): New.
1792         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1793         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
1794         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
1795         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1796         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1797         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1798         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1799         x86_accumulate_outgoing_args, x86_prologue_using_move,
1800         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1801         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1802         Enable for generic.
1803         (x86_use_incdec, x86_pad_returns): New.
1804         (override_options): Add generic32 and generic64, translate "generic"
1805         to generic32/generic64 and "i686" to "generic32", refuse
1806         "generic32"/"generic64" as arch target.
1807         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1808         (ix86_reorg): Honor PAD_RETURNS.
1810 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
1812         * tree-pretty-print.c (dump_generic_node): Handle
1813         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1814         * cgraph.c (cgraph_expand_queue): Rename from
1815         cgraph_analyze_queue.  Update all users.
1816         * cgraphunit.c (cgraph_assemble_pending_functions): Process
1817         cgraph_expand_queue.
1818         (cgraph_expand_all_functions): Likewise.
1819         (cgraph_finalize_pending_functions): Remove.  Update callers.
1821         * tree.h (OMP_DIRECTIVE_P): Define.
1822         (OMP_PARALLEL_FN): Define.
1823         (OMP_PARALLEL_DATA_ARG): Define.
1824         (OMP_SECTIONS_SECTIONS): Define.
1825         * tree-pass.h (pass_expand_omp): Declare.
1826         * omp-low.c (struct omp_region): Declare.
1827         (struct omp_context): Remove fields 'parallel_type',
1828         'parallel_start_ix' and 'parallel_start_additional_args'.
1829         Update all users.
1830         (struct omp_for_data): Rename from struct expand_omp_for_data.
1831         (omp_regions): New static variable.
1832         (root_omp_region): New static variable.
1833         (find_omp_clause): Make static.
1834         (is_in_combined_parallel_ctx): Remove.
1835         (is_combined_parallel): New.
1836         (extract_omp_for_data): Move earlier in the file.
1837         (workshare_safe_to_combine_p): New.
1838         (get_ws_args_for): New.
1839         (determine_parallel_type): Move earlier in the file.
1840         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1841         child function.
1842         (omp_copy_decl): Likewise.
1843         (create_omp_child_function): Likewise.
1844         (lookup_omp_region): New.
1845         (dump_omp_region): New.
1846         (debug_omp_region): New.
1847         (debug_all_omp_regions): New.
1848         (new_omp_region): New.
1849         (scan_omp_parallel): If parallel_nesting_level > 1, the
1850         directive is nested within another parallel directive.
1851         Set OMP_PARALLEL_FN.
1852         (scan_omp_for): Do not try to handle combined parallel+for
1853         cases.
1854         Remove FIXME comment.
1855         (scan_omp_nested): Remove.
1856         (scan_omp_1): Do not call scan_omp_nested when
1857         parallel_nesting_level is > 1.
1858         Do not change the DECL_CONTEXT of local variables found.
1859         (lookup_decl_in_outer_ctx): New.
1860         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1861         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1862         (lower_reduction_clauses): Rename from expand_reduction_clauses.
1863         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1864         If CTX is nested, lookup VAR in the outer context when
1865         building copy assignment.
1866         (lower_send_clauses): Rename from expand_send_clauses.
1867         If CTX is nested, lookup VAR in the outer context when
1868         building copy assignments.
1869         (lower_send_shared_vars): Rename from expand_send_shared_vars.
1870         If CTX is nested, lookup VAR in the outer context when
1871         building copy assignments.
1872         (expand_parallel_call): Rename from build_parallel_call.
1873         Handle combined parallel+workshare cases.
1874         Re-implement to emit code into the CFG.
1875         (list2chain): New.
1876         (expand_omp_parallel): Re-implement to emit code into the CFG.
1877         Call move_sese_region_to_fn to outline the sub-graph
1878         containing the parallel region.
1879         (expand_omp_for_1): Remove.
1880         (expand_omp_for_generic): Re-implement to emit code into the
1881         CFG.
1882         (expand_omp_for_static_nochunk): Likewise.
1883         (expand_omp_for_static_chunk): Likewise.
1884         (expand_omp_for): Likewise.
1885         (expand_omp_sections): Likewise.
1886         (remove_exit_barriers): New.
1887         (expand_omp_synch): New.
1888         (expand_omp): New.
1889         (build_omp_regions_1): New.
1890         (build_omp_regions): New.
1891         (execute_expand_omp): New.
1892         (gate_expand_omp): New.
1893         (pass_expand_omp): Define.
1894         (lower_omp_sections): Rename from expand_omp_sections.
1895         Set OMP_SECTIONS_SECTIONS.
1896         (lower_omp_single_simple): Rename from expand_omp_single_simple.
1897         (lower_omp_single_copy): Rename from expand_omp_single_copy.
1898         (lower_omp_single): Rename from expand_omp_simple.
1899         (lower_omp_master): Rename from expand_omp_master.
1900         (lower_omp_ordered): Rename from expand_omp_ordered.
1901         (lower_omp_critical): Rename from expand_omp_critical.
1902         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1903         (lower_omp_for): Re-implement.
1904         (lower_omp_parallel): Re-implement.
1905         (lower_regimplify): Rename from expand_regimplify.
1906         (lower_omp_1): Rename from expand_omp_1.
1907         If there are syntax errors in the program, replace every
1908         OpenMP directive with NOP.
1909         Call lower_omp_* instead of expand_omp_*.
1910         (lower_omp): Rename from expand_omp.
1912         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1913         * tree-gimple.h (enum omp_parallel_type): Remove.
1914         (gimple_boolify): Declare extern.
1915         (find_omp_clause, determine_parallel_type): Remove.
1917         * gimple-low.c (lower_omp_directive): New.
1918         (lower_stmt): Call it.
1919         (record_vars_into): Move from ...
1920         (record_vars): ... here.
1921         Call record_vars_into with current_function_decl.
1923         * gimplify.c (struct gimplify_ctx): Remove fields
1924         combined_pre_p and combined_ctxp.  Update users.
1925         (get_formal_tmp_var): Add documentation.
1926         (gimple_boolify): Make extern.
1927         (gimplify_expr_in_ctx): Remove.  Update callers.
1928         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1929         will always be a BIND_EXPR.
1930         (gimplify_expr): Handle OMP_RETURN_EXPR.
1931         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1932         (OMP_PARALLEL): Add 3 operands.
1933         (OMP_SECTIONS): Add 1 operand.
1934         (OMP_RETURN_EXPR): Define.
1936         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1937         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1938         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1939         creating a circular free list.
1940         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1942         * tree-flow.h (move_sese_region_to_fn): Declare.
1943         (record_vars_into): Declare.
1944         * tree-cfg.c (make_omp_sections_edges): New.
1945         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1946         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1947         OMP_SECTIONS and OMP_SECTION.
1948         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1949         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1950         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1951         (gather_blocks_in_sese_region): New.
1952         (struct move_stmt_d): Declare.
1953         (move_stmt_r): New.
1954         (move_block_to_fn): New.
1955         (move_sese_region_to_fn): New.
1957         * passes.c (init_optimization_passes): Schedule
1958         pass_expand_omp after pass_init_datastructures.
1960         * tree-ssa-operands.c (get_expr_operands): Handle
1961         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1962         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1964 2006-01-19  Jeff Law  <law@redhat.com>
1966         * tree-vrp.c (extract_range_from_assert): Refine the result range
1967         if the variable referenced by the ASSERT_EXPR has a range and
1968         either the tentative result range or the previous range is a
1969         VR_ANTI_RANGE.
1971 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1973         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1975 2006-01-19  Jan Hubicka  <jh@suse.cz>
1977         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1979 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1981         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1982         (expand_compound_operation, expand_field_assignment): Fail if the
1983         bit lengths of an extract operation are out of range.
1984         (make_extraction): Compute wanted_inner_mode based on the position
1985         and length of the extraction.  Make it extraction_mode for non-constant
1986         positions, and do not modify offset in that case.  When generating a
1987         new MEM, use a mode that can hold the extraction while keeping correct
1988         alignment.  Remove code that supported MEMs wrapped by USEs.
1989         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1991 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1993         * config/s390/s390.md ("Y", "y"): New mode attribute.
1994         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1995         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1996         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1997         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1998         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1999         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2000         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2001         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2002         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2003         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2004         "addsi3", "subsi3"): Insn patterns removed.
2005         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2006         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2007         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2008         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2009         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2010         "*sub<mode>3_cconly2"): New insn patterns.
2011         ("addsi3", "subsi3"): New expanders.
2013 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
2015         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2016         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2017         existing STMT_VINFO_VECTYPE if available.
2018         (vect_mark_relevant): Add special handling for stmts that are
2019         marked as STMT_VINFO_IN_PATTERN_P.
2020         (vect_analyze_loop): Call vect_pattern_recog.
2021         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2022         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2023         stmt_info.
2024         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2025         (vect_recog_func_ptr): New function-pointer type.
2026         * tree-vect-patterns.c: New file.
2027         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2028         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2029         (vect_pattern_recog_1): New functions.
2030         (vect_pattern_recog_funcs): New array of function pointers.
2032         * tree-vectorizer.h (ternary_op): New enum value.
2033         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2034         declaration. Revised documentation. Removed redundant dump prints.
2035         Removed redundant argument. Added support for reduction patterns.
2036         (vectorizable_reduction): Added support for reduction patterns.
2037         (vect_transform_stmt): Added support for patterns.
2039         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2040         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2041         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2042         (expand_widen_pattern_expr): New function.
2043         (init_optabs): Initialize new optabs udot_prod_optab,
2044         sdot_prod_optab.
2045         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2046         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2047         (expand_widen_pattern_expr): New function declaration.
2048         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2049         tree-codes.
2050         * tree-inline.c (estimate_num_insns_1): Added cases for new
2051         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2052         * tree-pretty-print.c (dump_generic_node): Likewise.
2053         (op_prio): Likewise.
2054         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2055         * tree-ssa-operands.c (get_expr_operands): Added case for
2056         DOT_PROD_EXPR.
2057         * tree-vect-patterns.c (widened_name_p): New function.
2058         (vect_recog_dot_prod_pattern): Added function implementation.
2059         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2060         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2061         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2062         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2064         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2065         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2066         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2067         (init_optabs): Initialize new optabs widen_ssum_optab,
2068         widen_usum_optab.
2069         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2070         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2071         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2072         use instead of type of def.
2073         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2074         function implementation.
2075         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2076         widen_ssumv8hi): New.
2078         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2079         patterns.
2081 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2083         PR c/25805
2084         * c-decl.c (add_flexible_array_elts_to_size): New function.
2085         (finish_decl): Use it.
2087 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2089         * diagnostic.h: Include options.h.
2090         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2091         dependancies for diagnostic.h.
2092         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2094 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2096         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2097         (ssa_ro_call_cache_valid): Ditto.
2098         * tree-ssa-alias.c (sort_tags_by_id): New function.
2099         (init_transitive_clobber_worklist): Ditto.
2100         (add_to_worklist): Ditto.
2101         (mark_aliases_call_clobbered): Ditto.
2102         (compute_tag_properties): Ditto.
2103         (set_initial_properties): Ditto.
2104         (compute_call_clobbered): Ditto.
2105         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2106         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2107         (compute_flow_insensitive_aliasing): Grouping now happens in our
2108         caller.
2109         (setup_pointers_and_addressables): Remove clobbering related code.
2110         (add_may_alias): Ditto.
2111         (replace_may_alias): Ditto.
2112         (get_nmt_for): Ditto.
2113         (create_global_var):
2114         (is_escape_site): Return an escape_type enumeration.
2115         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2116         imply call clobbered.
2117         (mark_call_clobbered): Take a reason for marking this. Remove
2118         marking of globalness, and cache invalidation.
2119         (clear_call_clobbered): Remove cache invalidation code.
2120         * tree-dfa.c (dump_variable): If details is on, dump the reason
2121         for escaping.
2122         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2123         variable.
2124         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2125         (struct var_ann_d): Ditto.
2126         (enum escape_type): New.
2127         (mark_call_clobbered): Adjust prototype.
2128         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2129         are never call clobbered.
2130         Record reasons for escaping.
2131         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2132         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2133         (ssa_ro_call_cache_valid): Ditto.
2134         (clobbered_v_may_defs): Ditto.
2135         (clobbered_vuses): Ditto.
2136         (ro_call_vuses): Ditto.
2137         (clobber_stats): New.
2138         (init_ssa_operands): Zero out clobber stats.
2139         (fini_ssa_operands): Print out clobber stats.
2140         (get_call_expr_operands): Pass callee fndecl to
2141         add_call_read_ops).
2142         (add_call_clobber_ops): Remove use of cache.
2143         Add use of PURE_CONST information.
2144         (add_call_read_ops): Remove use of cache.
2145         Add use of static not_read information.
2147 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2149         Introduce TLS descriptors for i386 and x86_64.
2150         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2151         (TARGET_ANY_GNU_TLS): New macro.
2152         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2153         (struct machine_function): Add tls_descriptor_call_expanded_p.
2154         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2155         (ix86_current_function_calls_tls_descriptor): Likewise.
2156         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2157         (override_options): Introduce gnu2 tls dialect.
2158         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2159         not leaves.
2160         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2161         Likewise.
2162         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2163         (ix86_init_machine_status): Initialize new field.
2164         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2165         (ix86_tls_module_base): New.
2166         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2167         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2168         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2169         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2170         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2171         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2172         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2173         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2174         * config/i386/predicates.md (tls_modbase_operand): New.
2175         (tp_or_register_operand): New.
2177 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2179         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2180         (look_for_address_of): Ditto.
2181         (ipa_init): Walk the function decls.
2182         (static_execute): Don't set readonly on FUNCTION_DECL's.
2184 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2186         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2187         for shifts where the source and destination registers are different.
2189 2006-01-18  Paul Brook  <paul@codesourcery.com>
2191         Merge from csl-arm-branch.
2192         2005-03-14  Julian Brown  <julian@codesourcery.com>
2193         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2194         (aeabi_llsl): Likewise.
2195         (ashrdi3): Likewise.
2196         (aeabi_lasr): Likewise.
2197         (lshrdi3): Likewise.
2198         (aeabi_llsr): Likewise.
2199         2005-03-10  Julian Brown  <julian@codesourcery.com>
2200         * config.gcc: Disable shared libgcc for SymbianOS.
2201         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2203 2006-01-18  DJ Delorie  <dj@redhat.com>
2205         * c-pragma.c (handle_pragma_diagnostic): New.
2206         (init_pragma): Register it.
2207         * doc/extend.texi: Document it.
2209         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2210         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2211         (diagnostic_context): Add classify_diagnostic[].
2212         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2213         as errors if they're overridden to DK_WARNING.
2214         (diagnostic_initialize): Initialize classify_diagnostic[].
2215         (diagnostic_set_kind_override): New.
2216         (diagnostic_report_diagnostic): Check for kind changes.
2217         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2218         Handle OPT_Werror_.
2219         * common.opt (Werror=): New.
2220         * doc/invoke.texi: Document -Werror=*
2222 2006-01-18  Jeff Law  <law@redhat.com>
2224         * tree-vrp.c (test_for_singularity): Correct test for new
2225         min limit.  Use operand_equal_p rather than pointer equality
2226         for testing if new min/max values are equal.
2228         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2229         using range information until after propagation and folding.
2231 2006-01-18  Richard Henderson  <rth@redhat.com>
2232             Aldy Hernandez  <aldyh@redhat.com>
2233             Jakub Jelinek  <jakub@redhat.com>
2234             Diego Novillo  <dnovillo@redhat.com>
2236         * omp-low.c: New file.
2237         * c-omp.c: New file.
2239 2006-01-18  Richard Henderson  <rth@redhat.com>
2240             Jakub Jelinek  <jakub@redhat.com>
2241             Diego Novillo  <dnovillo@redhat.com>
2243         * doc/invoke.texi: Document -fopenmp.
2244         * tree-dump.h (debug_function): Declare.
2245         * hooks.c (hook_bool_tree_bool_false): New function.
2246         (hook_tree_tree_null): Remove.
2247         (hook_tree_tree_tree_null): New.
2248         * hooks.h: Update to match.
2249         * tree-pretty-print.c (debug_tree_chain): New.
2250         (print_generic_expr): Handle TDF_CHAIN.
2251         (dump_generic_node): Handle BLOCK.
2252         Do not abort with incomplete SWITCH_EXPRs.
2253         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2254         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2255         print space after directive name.
2256         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2257         Handle OMP_MASTER and OMP_ORDERED.
2258         Handle printing of OMP_BODY just in one place, goto
2259         dump_omp_body in the rest of OMP_* nodes that have
2260         OMP_BODY.
2261         Don't handle clause nodes here.  Update omp statements to
2262         use dump_omp_clauses.
2263         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2264         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2265         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2266         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2267         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2268         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2269         Adjust output for GOMP_PARALLEL.
2270         (dump_omp_clauses): New.
2271         (print_declaration): Dump DECL_VALUE_EXPR.
2272         (op_symbol_1): Split out of op_symbol.
2273         (dumping_stmts): Remove.  Update all users.
2274         * cgraph.c (cgraph_analyze_queue): New.
2275         (cgraph_add_new_function): New.
2276         * cgraph.h (cgraph_analyze_queue): Declare.
2277         (cgraph_add_new_function): Declare.
2278         (cgraph_lower_function): Remove.
2279         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2280         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2281         and TYPE_P nodes in its default clause.
2282         (empty_body_p): New.
2283         (tree_range_check_failed): New.
2284         (build5_stat): New.
2285         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2286         OMP_CLAUSE_REDUCTION_MERGE,
2287         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2288         OMP_CLAUSE_PRIVATE_DEBUG,
2289         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2290         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2291         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2292         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2293         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2294         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2295         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2296         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2297         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2298         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2299         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2300         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2301         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2302         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2303         (TREE_RANGE_CHECK): New.
2304         (empty_body_p): Declare.
2305         (enum omp_clause_default_kind): New.
2306         (build_string_literal): Declare.
2307         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2308         (build5_stat, build5): Declare.
2309         * tree-pass.h (TDF_CHAIN): Define.
2310         * tree-pass.h (PROP_gimple_lomp): Define.
2311         (pass_lower_omp): Declare.
2312         * diagnostic.h (debug_tree_chain): Declare.
2313         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2314         mode_for_size.
2315         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2316         * builtins.c (build_string_literal): Make extern.
2317         * gcc.c (include_spec_function): New.
2318         (static_spec_functions): Add it.
2319         (main): Move load of libgomp.spec ...
2320         (LINK_COMMAND_SPEC): ... here.
2321         (link_gomp_spec): New.
2322         (static_specs): Include it.
2323         (LINK_COMMAND_SPEC): Add link_gomp.
2324         (GOMP_SELF_SPECS): New.
2325         (driver_self_specs): Include it.
2326         (switch_matches): Don't mark inline.
2327         (main): Load libgomp.spec.
2328         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2329         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2330         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2331         * tree-gimple.h (enum omp_parallel): Declare.
2332         (determine_parallel_type): Declare.
2333         (omp_firstprivatize_variable): Declare.
2334         (omp_reduction_init): Declare.
2335         (diagnose_omp_structured_block_errors): Declare.
2336         (struct walk_stmt_info): Add want_return_expr.
2337         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2338         (find_omp_clause): Declare.
2339         (insert_field_into_struct): Declare.
2340         (struct walk_stmt_info): Move from tree-nested.c
2341         (walk_stmts): Declare.
2342         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2343         to 200505.
2344         * cgraphunit.c (cgraph_lower_function): Make static.
2345         (cgraph_finalize_pending_functions): New.
2346         (cgraph_finalize_function): Call it.
2347         (cgraph_finalize_compilation_unit): Likewise.
2348         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2349         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2350         (BT_FN_UINT_UINT): New.
2351         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2352         DEF_FUNCTION_TYPE_VAR_4): Document.
2353         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2354         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2355         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2356         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2357         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2358         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2359         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2360         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2361         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2362         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2363         into separate files.
2364         (DEF_GOMP_BUILTIN): New.
2365         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2366         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2367         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2368         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2369         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2370         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2371         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2372         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2373         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2374         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2375         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2376         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2377         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2378         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2379         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2380         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2381         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2382         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2383         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2384         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2385         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2386         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2387         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2388         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2389         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2390         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2391         * sync-builtins.def: New file, moved from builtins.def.
2392         * omp-builtins.def: New file, moved from builtins.def.
2393         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2394         * gimple-low.c (lower_function_body): Clear data.
2395         (lower_stmt): Do not handle COMPOUND_EXPR.
2396         Remove call to print_node_brief.
2397         * c-tree.h (c_finish_omp_clauses): New prototype.
2398         (C_DECL_THREADPRIVATE_P): Define.
2399         (lookup_name_no_remap, c_omp_remap_private): Remove
2400         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2401         (check_for_loop_decls): Update decl.
2402         (lookup_name_no_remap, c_omp_remap_private): Declare.
2403         (build_indirect_ref, build_modify_expr, pushdecl,
2404         pushdecl_top_level): Move to c-common.h.
2405         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2406         before the switch, but just in the 2 places that need it.
2407         * c-decl.c (diagnose_mismatched_decls): Do not check for
2408         mismatched thread-local attributes when OLDDECL is marked
2409         threadprivate and NEWDECL has no thread-local attributes.
2410         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2411         (c_gimple_diagnostics_recursively): Rename from
2412         c_warn_unused_result_recursively.  Invoke
2413         diagnose_omp_structured_block_errors.
2414         (check_for_loop_decls): Return a singular decl found.
2415         * langhooks.c (lhd_omp_predetermined_sharing): Return
2416         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2417         (lhd_omp_firstprivatize_type_sizes): New.
2418         (lhd_omp_assignment): New.
2419         (lhd_omp_predetermined_sharing): New.
2420         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2421         (struct lang_hooks_for_types): Add
2422         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2423         omp_predetermined_sharing, omp_disregard_value_expr,
2424         omp_private_debug_clause, omp_clause_default_ctor,
2425         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2426         (c_finish_omp_clauses): New.
2427         (c_finish_bc_stmt): Diagnose break within omp for.
2428         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2429         (build_unary_op): Return error_mark after reporting
2430         a readonly_error.
2431         (build_modify_expr): Likewise.
2432         * gimplify.c: Include optabs.h and pointer-set.h.
2433         (enum gimplify_omp_var_data): Declare.
2434         (struct gimplify_omp_ctx): Declare.
2435         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2436         and combined_ctxp.
2437         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2438         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2439         (splay_tree_compare_decl_uid): New.
2440         (new_omp_context): New.
2441         (delete_omp_context): New.
2442         (gimple_add_tmp_var): Call omp_add_variable.
2443         (gimplify_bind_expr): Likewise.
2444         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2445         true, disregard DECL_VALUE_EXPR on the decl if any.
2446         (gimplify_expr_in_ctx): New.
2447         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2448         omp_add_variable, omp_notice_variable, omp_is_private
2449         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2450         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2451         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2452         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2453         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2454         gimplify_omp_atomic): New.
2455         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2456         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2457         OMP_CRITICAL and OMP_ATOMIC.
2458         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2459         * c-pragma.h (enum pragma_kind): Add
2460         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2461         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2462         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2463         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2464         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2465         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2466         PRAGMA_OMP_THREADPRIVATE.
2467         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2468         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2469         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2470         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2471         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2472         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2473         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2474         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2475         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2476         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2477         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2478         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2479         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2480         OpenMP directives.
2481         (struct nesting_info): Add field_map,
2482         suppress_expansion, debug_var_chain.
2483         (create_nesting_tree): Initialize them.
2484         (lookup_field_for_decl): Use field_map.
2485         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2486         (convert_local_omp_clauses): New.
2487         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2488         (walk_body): Split out of walk_function.
2489         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2490         (convert_nonlocal_reference): Handle omp statements.
2491         (convert_local_reference): Likewise.
2492         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2493         (unnest_nesting_tree): New.
2494         (lower_nested_functions): Call it.
2495         (insert_field_into_struct): Make extern.
2496         (struct walk_stmt_info): Move to tree-gimple.h.
2497         (walk_stmts): Make extern.
2498         * omp-builtins.def: New file.
2499         * tree-iterator.c (expr_only): Clarify comment.
2500         * c-common.h (pushdecl_top_level, pushdecl,
2501         build_modify_expr, build_indirect_ref,
2502         c_finish_omp_master, c_finish_omp_critical,
2503         c_finish_omp_ordered, c_finish_omp_barrier,
2504         c_finish_omp_atomic, c_finish_omp_flush,
2505         c_finish_omp_for, c_split_parallel_clauses,
2506         omp_clause_default_kind, c_omp_sharing_predetermined,
2507         c_omp_remap_decl): Declare.
2508         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2509         (OBJS-common): Add omp-low.o.
2510         (c-omp.o, omp-low.o): Add.
2511         (gimplify.o): Add dependency on $(OPTABS_H).
2512         (GTFILES): Add omp-low.c.
2513         (gt-stringpool.h): Add.
2514         * tree-cfg.c (set_bb_for_stmt): Do not update the
2515         block-to-labels map if we are currently expanding to RTL.
2516         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2517         checks.
2518         Handle IDENTIFIER_NODE.
2519         (tree_verify_flow_info): Do not ICE when emitting error
2520         messages about invalid labels.
2521         (dump_function_to_file): Reset CFUN before emitting the body
2522         of the function.
2523         (debug_function): New.
2524         * passes.c (init_optimization_passes): Schedule
2525         pass_lower_omp.
2526         * langhooks-def.h (lhd_omp_predetermined_sharing,
2527         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2528         Declare.
2529         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2530         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2531         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2532         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2533         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2534         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2535         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2536         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2537         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2538         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2539         (LANG_HOOK_DECLS): Use them.
2541 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2542             Richard Henderson  <rth@redhat.com>
2543             Jakub Jelinek  <jakub@redhat.com>
2544             Diego Novillo  <dnovillo@redhat.com>
2546         * c-parser.c (pragma_omp_clause): Define.
2547         (c_parser_declaration_or_fndef): Document OpenMP syntax.
2548         (c_parser_compound_statement): Likewise.
2549         (c_parser_statement): Likewise.
2550         (c_parser_pragma): Handle omp pragmas.
2551         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2552         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2553         (c_parser_omp_clause_name, check_no_duplicate_clause,
2554         c_parser_omp_variable_list,
2555         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2556         c_parser_omp_clause_copyprivate,
2557         c_parser_omp_clause_default,
2558         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2559         c_parser_omp_clause_lastprivate,
2560         c_parser_omp_clause_nowait,
2561         c_parser_omp_clause_num_threads,
2562         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2563         c_parser_omp_clause_reduction,
2564         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2565         c_parser_omp_all_clauses, c_parser_omp_structured_block,
2566         c_parser_omp_atomic, c_parser_omp_barrier,
2567         c_parser_omp_critical, c_parser_omp_flush,
2568         c_parser_omp_for_loop, c_parser_omp_for,
2569         c_parser_omp_master, c_parser_omp_ordered,
2570         c_parser_omp_sections_scope, c_parser_omp_sections,
2571         c_parser_omp_parallel, c_parser_omp_single,
2572         c_parser_omp_construct, c_parser_omp_threadprivate): New.
2573         * c-pragma.c (init_pragma): Do omp pragma registration here.
2574         * c.opt (fopenmp): New flag.
2576 2006-01-18  Eric Christopher  <echristo@apple.com>
2578         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2579         * config/darwin.h (GOMP_SELF_SPECS): Define.
2581 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2583         * rtl.h: Remove the prototype for reg_alloc.
2585 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2587         PR target/25731
2588         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2589         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2590         sjlj and dwarf2 exception handling.
2591         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2592         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2593         * pa/pa.c (function_value): Treat complex and vector types as
2594         aggregates.
2595         (function_arg): Likewise.  Only pass scalar floats in the floating
2596         point argument registers.
2597         * pa/t-slibgcc-dwarf-ver: New file.
2598         * pa/t-slibgcc-sjlj-ver: New file.
2599         * pa/t-slibgcc-elf-ver: Delete file.
2601 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
2603         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2604         unlikely_test_section_p test.
2606 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2608         * mode-switching.c (optimize_mode_switching): Make it static.
2609         * basic-block.h: Remove the prototype for
2610         optimize_mode_switching.
2612         * modulo-sched.c (sms_schedule): Make it static.
2613         * rtl.h: Remove the prototype for sms_schedule.
2615         * postreload-gcse.c (gcse_after_reload_main): Make it static.
2616         * rtl.h: Remove the prototype for gcse_after_reload_main.
2618         * reg-stack.c (reg_to_stack): Make it static.
2619         * rtl.h: Remove the prototype for reg_to_stack.
2621         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2622         Make them static.
2623         * rtl.h: Remove the prototypes for regrename_optimize and
2624         copyprop_hardreg_forward.
2626 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2628         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2629         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
2630         Test against the appropriate null constant for the mode.
2631         If 'fixup_overlap' is true, swap the operands if they overlap.
2632         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2633         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2634         alpha_split_tmode_pair and adjust for above change.
2635         * config/alpha/alpha.md (movtf_internal): Adjust call to
2636         alpha_split_tfmode_pair and rely on it to swap the operands.
2637         (movti_internal): New insn and post-reload splitter.
2638         (movti): New expander.
2640 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
2642         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2643         operands.
2645 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2647         * rtlanal.c (global_reg_mentioned_p_1,
2648         global_reg_mentioned_p): Remove.
2649         * rtl.h: Remove the prototype for global_reg_mentioned_p.
2651         * flow.c (initialize_uninitialized_subregs): Make it static.
2652         * rtl.h: Remove the prototype for
2653         initialize_uninitialized_subregs.
2655         * function.c (instantiate_virtual_regs): Make it static.
2656         * function.h: Remove the prototype for
2657         instantiate_virtual_regs.
2659         * regmove.c (regmove_optimize, combine_stack_adjustments):
2660         Make them static.
2661         * rtl.h: Remove the prototypes for regmove_optimize and
2662         combine_stack_adjustments.
2664 2006-01-17  Roger Sayle  <roger@eyesopen.com>
2666         * config/i386/i386.c (COSTS_N_BYTES): New macro.
2667         (size_cost): Encode costs in bytes so that a reg-reg addition is
2668         equivalent to COSTS_N_INSNS(1).
2669         (override_options): Use the size_cost.branch_cost as the default
2670         ix86_branch_cost when optimizing for size.
2672 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2674         * Makefile.in (D32PBIT_FUNCS): New.
2675         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2676         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2677         D64PBIT_FUNCS and D128PBIT_FUNCS.
2678         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2679         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2680         D128PBIT are set.
2681         (decnumber_dep): Define.
2682         * doc/libgcc.texi (Decimal float library routines): New node.
2683         * config/dfp-bit.h, config/dfp-bit.c: New files.
2685 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2687         * expr.c (emit_move_change_mode): Always adjust addresses, not
2688         just during reload.  Copy replacements only during reload.
2689         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2690         emit_move_via_integer.
2692 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
2694         * Makefile.in (check-%, check-consistency): Use $${srcdir}
2695         instead of $(srcdir) and ${srcdir}.
2697 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
2699         PR target/592
2700         PR middle-end/11135
2701         * arm.h (struct machine_function): Add pic_reg.
2702         * arm.c (arm_pic_register): Make unsigned.
2703         (arm_override_options): Only set arm_pic_register if
2704         TARGET_SINGLE_PIC_BASE.
2705         (use_return_insn): Only test for a pic register if it is fixed.
2706         (arm_compute_save_reg0_reg12_mask): Likewise.
2707         (thumb_compute_save_reg_mask): Likewise.
2708         (legitimate_pic_operand): Factor out some known invariants.
2709         (legitimize_pic_address): If we don't have a fixed pic register,
2710         then set up a pseudo in the function entry sequence.  Handle the
2711         pic base being in a pseudo.
2712         (arm_load_pic_register): Handle the pic register being in a pseudo.
2713         (arm_expand_prologue): Only set up the pic register if it is fixed.
2714         (thumb_expand_prologue): Likewise.
2715         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2716         (pic_load_addr_based_insn): Likewise.
2717         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2718         fixed.
2720 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2722         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2723         decimal float modes for all floating point registers.
2725         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2726         match_code "mem" with match_test "macho_lo_sum_memory_operand".
2728 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
2730         PR c/25682
2731         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2732         even when the pointer is not NULL.
2734 2006-01-16  Ian Lance Taylor  <ian@airs.com>
2736         * common.opt (ftoplevel-reorder): New option.
2737         * cgraph.c (cgraph_asm_nodes): New global variable.
2738         (cgraph_asm_last_node): New static variable.
2739         (cgraph_order): New global variable.
2740         (cgraph_create_node): Set new order field.
2741         (cgraph_varpool_node): Likewise.
2742         (decide_is_variable_needed): Return true if not
2743         flag_toplevel_reorder.
2744         (cgraph_add_asm_node): New function.
2745         * cgraph.h (struct cgraph_node): Add order field.
2746         (struct cgraph_varpool_node): Add order field.
2747         (struct cgraph_asm_node): Define.
2748         (cgraph_asm_nodes, cgraph_order): Declare.
2749         (cgraph_add_asm_node): Declare.
2750         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2751         function.
2752         (cgraph_varpool_assemble_pending_decls): Call it.
2753         (cgraph_output_pending_asms): New static function.
2754         (cgraph_finalize_compilation_unit): Call it.
2755         (struct cgraph_order_sort): Define.
2756         (cgraph_output_in_order): New static function.
2757         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
2758         !flag_toplevel_reorder case.
2759         * c-parser.c: Include "cgraph.h".
2760         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2761         assemble_asm.
2762         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2763         than -fno-unit-at-a-time.
2764         * doc/invoke.texi (Option Summary): Mention
2765         -fno-toplevel-reorder.
2766         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
2767         -funit-at-a-time documentation.
2769 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
2770             Kazu Hirata  <kazu@codesourcery.com>
2772         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2774 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
2776         * Makefile.in (FUNCTION_H): New.  Use it instead of
2777         function.h throughout the file.
2778         * function.h: Include tree.h.
2780 2006-01-17  Ben Elliston  <bje@au.ibm.com>
2782         * recog.c: Separate some functions with whitespace.
2784 2006-01-16  Richard Henderson  <rth@redhat.com>
2786         Merge from gomp branch:
2787         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
2788         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2789         and rename from struct inline_data.  Rename callee* to dst*;
2790         caller* to src*; add copy_decl hook, transform_call_graph_edges,
2791         transform_new_cfg, transform_return_to_modify, and
2792         transform_lang_insert_block flags; remove cloning_p, versioning_p,
2793         update_clones_p.
2794         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2795         (copy_decl_for_dup): Remove.
2796         * tree-inline.c (struct inline_data): Move to header.
2797         (insert_decl_map): Export.
2798         (remap_decl): Update for member name changes.  Use copy_decl hook.
2799         Allow for replacement to be a non-decl.  Remove dead code.
2800         (remap_type_1): Check for existing mapping.
2801         (remap_type): Export.
2802         (remap_decls): Update for member name changes.
2803         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2804         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2805         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2806         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2807         (tree_function_versioning, build_duplicate_type): Likewise.
2808         (copy_body_r): Likewise.  Export.
2809         (copy_decl_for_dup): Split into ...
2810         (copy_decl_for_dup_finish, copy_decl_to_var,
2811         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2812         (replace_ref_tree, inlining_p): Remove.
2814 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2816         * ifcvt.c (if_convert): Make it static.
2817         * rtl.h: Remove the prototype for if_convert.
2819         * local-alloc.c (local_alloc): Make it static.
2820         * rtl.h: Remove the prototype for local_alloc.
2822         * loop.c (loop_optimize): Make it static.
2823         * cfgloop.h: Remove the prototype for loop_optimize.
2824         * rtl.h: Likewise.
2826 2006-01-16  DJ Delorie  <dj@redhat.com>
2828         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2829         mems.
2831 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2833         * pa.md: Disparage copies between general and floating-point registers
2834         in 32-bit move patterns.
2836 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
2838         PR testsuite/25741
2839         * Makefile.in (check-%): Depend on site.exp instead of
2840         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2841         directories.
2843 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2845         * global.c (global_alloc): Make it static.
2846         * rtl.h: Remove the prototype for global_alloc.
2848 2006-01-16  Richard Guenther  <rguenther@suse.de>
2850         * tree-ssa-alias.c (struct used_part): Add write_only field.
2851         (get_or_create_used_part_for): Initialize it to true.
2852         (create_overlap_variables_for): Don't create structure variables
2853         for structures that only are written to.
2854         (find_used_portions): Handle MODIFY_EXPR to track whether a
2855         structure is only written to.
2857 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2859         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2860         static.
2861         * basic-block.h: Remove the prototype for
2862         partition_hot_cold_basic_blocks.
2864 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
2866         * cppspec.c (lang_specific_spec_functions): Remove.
2867         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2868         * gcc.h (lang_specific_spec_functions): Remove.
2869         * gccspec.c (lang_specific_spec_functions): Remove.
2871 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
2873         * combine.c (record_value_for_reg): Invalidate registers
2874         if INSN is null.
2875         (record_dead_and_set_regs_1): Likewise, by passing them to
2876         record_value_for_reg.
2877         (record_dead_and_set_regs): Invalidate stores made by a
2878         call.  We do not combine across a call, but we still
2879         relied on equivalences.
2881 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2883         * tree-vrp.c (extract_range_from_binary_expr): Cope with
2884         vrp_int_const_binop returning non-constant nodes.
2886 2006-01-16  Paul Brook  <paul@codesourcery.com>
2888         * config/m68k/m68k.c (output_move_const_into_data_reg):
2889         Output correct mnemonic for mvz and mvs.
2891 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
2893         * rtl-factoring.c: Add sequence abstraction algorithm.
2894         * cfgcleanup.c (outgoing_edges_match): Extra checks.
2895         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2896         ABNORMAL edges.
2897         (block_has_preserve_label): New function.
2898         * common.opt: Register new pass.
2899         * Makefile.in: Ditto.
2900         * passes.c: Ditto.
2901         * timevar.def: Ditto.
2902         * tree-pass.h: Ditto.
2903         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2904         * rtl.h (make_jump_insn_raw): Add forward decl.
2905         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2907 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2908             Roger Sayle  <roger@eyesopen.com>
2910         * fold-const.c (fold_minmax): New static function.
2911         (fold_binary) <MIN_EXPR>: Call it.
2912         <MAX_EXPR>: Likewise.
2913         * stor-layout.c (place_field): Use DECL_SIZE consistently
2914         in the computation of the new record size.
2916 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2918         * cse.c (cse_condition_code_reg): Make it static.
2919         * rtl.h: Remove the prototype for cse_condition_code_reg.
2921         * combine.c (combine_instructions): Make it static.
2922         * rtl.h: Remove the prototype for combine_instructions.
2924 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2926         PR target/25168
2927         * tree.c (get_file_function_name_long): Concatenate the first global
2928         object name with a string derived from the input filename of the object
2929         for type "F".
2931 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2933         * config/i386/winnt-stubs.c: Update FSF address.
2934         * config/xtensa/ieee754-df.S: Ditto.
2935         * config/xtensa/ieee754-sf.S: Ditto.
2937 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2939         * ifcvt.c (noce_init_if_info): New static function, broken out of
2940         noce_process_if_block.
2941         (noce_process_if_block): Call noce_init_if_info.
2942         (check_cond_move_block): New static function.
2943         (cond_move_process_if_block): New static function.
2944         (process_if_block): Call cond_move_process_if_block.
2946 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2948         * cselib.c (hash_table): Rename to cselib_hash_table.
2949         (cselib_clear_table, discard_useless_values,
2950         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2951         cselib_init, cselib_finish): Adjust uses of hash_table.
2953 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2955         PR tree-optimization/25485
2956         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2957         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2958         is known to be false and true, respectively.
2960 2006-01-14  Richard Guenther  <rguenther@suse.de>
2962         PR tree-optimization/22548
2963         PR tree-optimization/22555
2964         PR tree-optimization/22501
2965         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2966         * params.def (salias-max-array-elements): New parameter.
2967         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2968         * doc/invoke.texi (salias-max-array-elements): Document.
2969         * tree-flow-inline.h (var_can_have_subvars): We also handle
2970         arrays now.
2971         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2972         COMPONENT_REF.
2973         * tree-ssa-structalias.c (params.h): Include.
2974         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2975         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2976         (get_constraint_for): For ADDR_EXPR operating on something
2977         containing an ARRAY_REF, add all subvars to the solution.
2978         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2979         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2980         for creating MUST_DEFs.
2981         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2983 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2985         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2986         functions.
2987         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2988         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2989         number_of_iterations_le): New functions.
2990         (number_of_iterations_special): Removed.
2991         (number_of_iterations_exit): Do not use number_of_iterations_special.
2992         * tree.c (unsigned_type_for): Always return integer type.
2994 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2995         Richard Guenther  <rguenther@suse.de>
2997         PR rtl-optimization/24257
2998         * gcse.c (find_moveable_store): Only consider a store movable
2999         when the SET_SRC of the insn can be assigned to a register.
3001 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3003         * tree.c (tree_not_class_check_failed): New function.
3004         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3005         (tree_not_class_check_failed): Declare.
3007 2006-01-13  Ian Lance Taylor  <ian@airs.com>
3009         * reload1.c (do_output_reload): Add assertion rejecting a
3010         CALL_INSN.
3012 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
3014         * combine.c (struct reg_stat): Add new fields truncation_label and
3015         truncated_to_mode.
3016         (record_value_for_reg): Reset truncated_to_mode.
3017         (record_truncated_value): New function.
3018         (check_promoted_subreg): Call it.  Rename to check_conversions.
3019         (combine_instructions): Rename check_promoted_subreg to
3020         check_conversions.
3021         (reg_truncated_to_mode): New function.
3022         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3023         (gen_lowpart_or_truncate): New function.
3024         (force_to_mode): Use it instead of gen_lowpart.
3026 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3028         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3029         VAR is a tag, not its type tag.
3031 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3033         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3034         alternatives to match style of other entries.
3035         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3037 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3039         PR tree-optimization/25771
3040         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3041         SSA_NAMES.
3043 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3045         PR tree-opt/24365
3046         * tree-inline.c (declare_return_variable): If the return variable
3047         was marked as a non gimple complex, set the return slot variable
3048         to be a non gimple comple variable.
3050 2006-01-13  Richard Guenther  <rguenther@suse.de>
3052         * builtins.c (expand_builtin_sincos): New function.
3053         (expand_builtin_mathfn_3): Remove dead code, sin and cos
3054         do not set errno.
3055         (expand_builtin): Expand sincos using expand_builtin_sincos.
3057 2006-01-12  DJ Delorie  <dj@redhat.com>
3059         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3060         shift counts, separate SI shifts for m32c vs m16c, pass shift type
3061         so that constant shifts can be split.
3062         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3063         (m32c_valid_pointer_mode): Make static.
3064         (shift_gen_func_for): New.
3065         (m32c_prepare_shift): Use it.  Split large const shifts into
3066         multiple shifts.
3067         * config/m32c/predicates.md (shiftcount_operand): Allow more
3068         general operands.
3069         (longshiftcount_operand): New.
3070         * doc/md.texi (Machine Constraints): Document In6.
3072 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3074         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3075         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3076         documentation.
3078 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
3080         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3081         to try to avoid clobbering pieces of structures when we know
3082         something about the whole structure.
3083         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3085 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3087         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3088         return in memory, as this is no limitation is no longer present.
3090 2006-01-12  DJ Delorie  <dj@redhat.com>
3092         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3093         mova with fb, and for fb+0 -> An.
3095         * config/m32c/mov.md (peephole2): Fix enabling logic.
3097         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3098         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3099         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3100         FINI_ARRAY_SECTION_ASM_OP): Define.
3102         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3103         variable.
3104         (m32c_legitimize_reload_address): New logic to reload FB to An.
3105         (m32c_output_reg_push): Add newline.
3106         (m32c_output_reg_pop): Likewise.
3108 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
3110         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3112 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3114         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3116 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3118         * config/sh/predicates.md (sh_rep_vec): Add parallel to
3119         match_code.
3121 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3123         * rtlanal.c (find_reg_note): Assert insn is not null.
3125 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3127         * df-scan.c (df_hard_reg_init): Move declaration of i outside
3128         ifdef.
3130 2006-01-11  Jeff Law  <law@redhat.com>
3132         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3133         hold edge pairs.
3134         (mark_threaded_blocks, register_jump_thread): New functions.
3135         (thread_through_all_blocks): Remove unwanted argument.  No
3136         longer rely on e->aux to communicate thread target info.
3137         Call mark_threaded_blocks.  Release the threaded_blocks
3138         bitmap and threaded_edges vector when complete.
3139         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3140         (threaded_blocks): Remove.
3141         (tree_ssa_dominator_optimize): Remove initialization and
3142         finalization of threaded_blocks.  Simplify call to
3143         thread_through_all_blocks.
3144         (thread_across_edge): Call register_jump_thread rather than
3145         storing thread information into e->aux.
3146         (free_all_edge_infos): Simplify now that e->aux is no longer
3147         used to communicate with thread_through_all_blocks.
3148         * tree-flow.h (thread_through_all_blocks): Update prototype.
3149         (register_jump_thread): Prototype.
3151 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3153         * df-core.c (df_compact_blocks, df_bb_replace): Use
3154         SET_BASIC_BLOCK instead of BASIC_BLOCK.
3156 2006-01-11  Richard Guenther  <rguenther@suse.de>
3158         PR tree-optimization/25734
3159         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3160         stop propagation after successful propagation to the LHS.
3162 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3164         * basic-block.h (control_flow_graph): Change the type of
3165         x_basic_block_info to VEC(basic_block,gc) *.
3166         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3167         basic_block_info.
3168         (SET_BASIC_BLOCK): New.
3169         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3170         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3171         * cfgbuild.c (find_basic_blocks): Likewise.
3172         * cfglayout.c (fixup_reorder_chain): Likewise.
3173         * cfgrtl.c (create_basic_block_structure,
3174         rtl_create_basic_block): Likewise.
3175         * ifcvt.c (find_if_case_1): Likewise.
3176         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3177         Likewise.
3179 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3181         * Makefile.in: Removed rotted odf.c entry.
3183 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
3185         PR target/25706
3186         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3187         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3188         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3189         output pattern modifier, not %e.
3190         * config/cris/cris.c (cris_op_str): Update comment about pattern
3191         modifier.
3192         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3193         before falling through into...
3194         <case 'E'>: Redefined from old 'e' case.
3196 2006-01-11  Jan Hubicka  <jh@suse.cz>
3198         PR target/25042
3199         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3201 2006-01-11  Jan Hubicka  <jh@suse.cz>
3203         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3204         * i386.c (x86_decompose_lea): Kill.
3205         (ix86_rtx_costs): Kill.
3207 2006-01-11  Jan Hubicka  <jh@suse.cz>
3209         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3210         * cgraph.h (cgraph_node): Add inline_decl.
3211         (cgraph_insert_node_to_hashtable): Declare.
3212         (save_inline_function_body): Declare.
3213         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3214         clones.
3215         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3216         (cgraph_function_versioning): Update call of tree_function_versioning.
3217         (save_inline_function_body): New function.
3218         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3219         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3220         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3221         (cgraph_default_inline_p): Likewise.
3222         (cgraph_decide_inlining_incrementally): Likewise.
3223         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3224         (copy_bb): Kill saving; do updating of clones.
3225         (copy_cfg_body): Kill saving.
3226         (initialize_inlined-parameters): Likewise.
3227         (expand_call_inline): Likewise.
3228         (save_body): Kill.
3229         (tree_function_versioning): New parameter "update_clones".
3230         (inlining_p): Kill saving.
3231         * tree-inline.h (tree_function_versioning): Update prototype.
3232         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3233         saving.
3235 2006-01-11  Ian Lance Taylor <ian@airs.com>
3237         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
3238         Allow undoing set of machine mode.
3239         (do_SUBST): Use enums instead of is_int.
3240         (do_SUBST_MODE): New function.
3241         (SUBST_MODE): New macro.
3242         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3243         reg and trying to replace reg_regno_rtx with a new register.
3244         (undo_all): Use new enums, handle undoing a PUT_MODE change.
3245         (simplify_set): Use SUBST_MODE.
3246         (distribute_notes): Remove code that tried to update reg notes
3247         for regno_reg_rtx changes.
3249 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
3251         PR tree-optimization/23109
3252         PR tree-optimization/23948
3253         PR tree-optimization/24123
3255         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3256         * tree-cfg.c (single_noncomplex_succ): New.
3257         * tree-flow.h (single_noncomplex_succ): Declare it.
3258         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3259         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3260         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3261         insert_bb, register_division_in, insert_reciprocals,
3262         replace_reciprocal, free_bb): New.
3263         (execute_cse_reciprocals_1): Rewritten.
3264         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3265         Do not commit any edge insertion.  Always compute dominators and
3266         create the allocation pool.
3267         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3268         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3269         * targhooks.c (default_min_divistions_for_recip_mul): New.
3270         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3271         * passes.c (init_optimization_passes): Run recip after tree loop
3272         optimizations.
3273         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3275 2006-01-11  Danny Berlin <dberlin@dberlin.org>
3276             Kenneth Zadeck <zadeck@naturalbridge.com>
3278         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3279         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3280         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3281         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3282         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3283         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3284         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3285         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3286         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3287         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3288         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3289         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3290         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3291         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3292         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3293         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3294         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3295         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3296         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3297         DF_SCAN_POST_ALLOC): New macros.
3298         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3299         df_free_bb_function, df_local_compute_function, df_init_function,
3300         df_dataflow_function, df_confluence_function_0,
3301         df_confluence_function_n, df_transfer_function,
3302         df_finalizer_function, df_free_function, df_dump_problem_function,
3303         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3304         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3305         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3306         df_urec_bb_info, ) New types.
3307         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3308         variables.
3309         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3310         df_analyze_simple_change_some_blocks,
3311         df_analyze_simple_change_one_block, df_compact_blocks,
3312         df_bb_replace, df_bb_regno_last_use_find,
3313         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3314         df_insn_regno_def_p, df_find_def, df_find_use,
3315         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3316         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3317         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3318         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3319         debug_df_chain, df_get_dependent_problem, df_chain_create,
3320         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3321         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3322         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3323         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3324         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3325         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3326         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3327         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3328         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3329         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3330         df_reorganize_refs, df_set_state, df_hard_reg_init,
3331         df_read_modify_subreg_p) New public functions.
3332         * df-core.c: The core dataflow solver and glue routines for rtl
3333         dataflow.
3334         (df_init, df_add_problem, df_set_blocks, df_finish,
3335         df_hybrid_search_forward, df_hybrid_search_backward,
3336         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3337         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3338         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3339         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3340         df_reg_defined, df_find_use, df_reg_used, df_dump,
3341         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3342         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3343         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3344         debug_df_useno, reset_df_after_reload): New functions.
3345         * df-scan.c: The scanning fuctions, once in df.c, completely
3346         rewritten so that they now fully model the functionality of
3347         register usage at the backend.
3348         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3349         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3350         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3351         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3352         df_get_artificial_defs, df_get_artificial_uses,
3353         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3354         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3355         df_refs_delete, df_reorganize_refs, df_set_state,
3356         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3357         df_def_record_1, df_defs_record, df_uses_record,
3358         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3359         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3360         df_record_exit_block_uses, df_hard_reg_init): New functions.
3362         * df-problems.c: Seven concrete dataflow problems that use the
3363         scanning in df-scan.c and are solved by the engine in df-core.c.
3364         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3365         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3366         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3367         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3368         df_ru_free_bb_info, df_ru_alloc,
3369         df_ru_bb_local_compute_process_def,
3370         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3371         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3372         df_ru_transfer_function, df_ru_free, df_ru_dump,
3373         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3374         df_rd_free_bb_info, df_rd_alloc,
3375         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3376         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3377         df_rd_transfer_function, df_rd_free, df_rd_dump,
3378         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3379         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3380         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3381         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3382         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3383         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3384         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3385         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3386         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3387         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3388         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3389         df_urec_mark_reg_use_for_earlyclobber,
3390         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3391         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3392         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3393         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3394         df_chain_create_bb_process_use, df_chain_create_bb,
3395         df_chain_finalize, df_chain_free, df_chains_dump,
3396         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3397         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3398         df_reg_lifetime): New functions.
3399         * df.c: Deleted file.
3400         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3401         consistent with new df api.
3402         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3403         rest_of_handle_sms): Ditto.
3404         * web.c (unionfind_union, union_defs, entry_register, web_main):
3405         Ditto.
3406         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3407         invariant_expr_equal_p, find_defs, check_dependencies,
3408         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3409         free_inv_motion_data, move_loop_invariants): Ditto.
3410         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3411         Update dependencies.
3412         (odf.c): Added defective entry that was deleted later in day.
3413         * sched-deps.c (sched_analyze_1): Ditto.
3415 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3417         * tree-ssa-operands.c (get_expr_operands): Record addressable
3418         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3419         and ARRAY_DECLs.
3420         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3421         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3423 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3425         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3426         function returns true in the positive case.
3428 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3430         PR target/20754
3431         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3432         for SI, DI, SF and DF modes.  Add alternatives to copy between
3433         general and floating point registers to the 32-bit patterns.
3434         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3435         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3436         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3437         generating 64-bit code.
3438         * config/pa/pa.c (output_move_double): Handle copies between general
3439         and floating registers.
3441 2006-01-10  Stuart Hastings  <stuart@apple.com>
3443         * config/i386/i386.md (set_got): Update.
3444         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3445         (builtin_setjmp_receiver): Mach-O support.
3446         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3447         (GOT_SYMBOL_NAME): Define.
3448         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3449         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3450         * config/i386/i386.c (override_options): Revise for Darwin.
3451         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3452         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3453         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3454         * config/i386/i386-protos.h (output_set_got): Likewise.
3455         * config/darwin.c (machopic_legitimize_pic_address): Update
3456         regs_ever_live[].
3458 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3460         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3461         when MODE isn't BLKmode.
3463 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3465         PR rtl-optimization/25367
3466         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3468 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3470         PR target/25718
3471         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3472         for a negative bound.
3474 2006-01-10  Richard Guenther  <rguenther@suse.de>
3476         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3477         Never override with anything constraint.
3479 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3481         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3482         256 bits when optimize_size.
3484 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3486         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3487         MASK_ALIGN_DOUBLE.
3488         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3489         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3490         arguments.
3492 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3494         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3495         float modes.
3496         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3497         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3498         (USE_FP_FOR_ARG): Reject decimal float modes.
3499         (function_arg_advance): Likewise.
3500         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3501         (rs6000_handle_altivec_attribute): Do not permit decimal floating
3502         point types in AltiVec vectors.
3503         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3504         (rs6000_libcall_value): Likewise.
3506 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
3508         * config/xtensa/ieee754-df.S: New file.
3509         * config/xtensa/ieee754-sf.S: New file.
3510         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3511         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3512         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3514 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
3516         * config/sh/predicates.md (binary_float_operator,
3517         binary_logical_operator, commutative_float_operator,
3518         equality_comparison_operator, greater_comparison_operator,
3519         less_comparison_operator, logical_operator,
3520         noncommutative_float_operator, shift_operator,
3521         symbol_ref_operand, unary_float_operator): Remove redundant
3522         conditionals.
3524 2006-01-09  Jeff Law  <law@redhat.com>
3526         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3527         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
3528         now unused arguments.  Callers updated.
3529         (eliminate_redundant_computations): Remove now unused arguments,
3530         callers updated.
3531         (local_fold): Remove, no longer used.
3532         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3533         and moved to...
3534         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3535         (simplify_cond): New function.
3536         (forward_propagate_into_cond): Call simplify_cond.
3538 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
3540         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3541         (*vec_extractv2di_1_sse): New.
3543 2006-01-09  Ben Elliston  <bje@au.ibm.com>
3545         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3547 2006-01-08  Richard Guenther  <rguenther@suse.de>
3549         * tree-ssa-structalias.c (get_constraint_for): Remove
3550         anyoffset argument.
3551         (get_constraint_for_component_ref): Likewise.
3552         (do_deref): Likewise.
3553         (get_constraint_for): Likewise.
3554         (do_structure_copy): Likewise.
3555         (handle_ptr_arith): Likewise.
3556         (find_func_aliases): Likewise.  Remove unused need_anyoffset
3557         variable.
3559 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
3560             Kaz Kojima  <kkojima@gcc.gnu.org>
3562         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3563         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3564         (EXTRA_CONSTRAINT_C16): Remove.
3565         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3566         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3567         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3568         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3569         constants of SHmedia.  Handle nested constant expressions of
3570         SHmedia correctly.
3571         (andcosts): Fix the costs for SHmedia constants.
3572         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3573         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3574         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3575         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3576         (movv4hi_i, movv2si_i): Likewise.
3577         (movsi_const): Adjust the second operand of ior so to match with
3578         the Csu constraint.
3579         (movdi_const, movdi_const_32bit): Likewise.
3580         (movdi_const_16bit+1): Don't sign-extend LOW.
3581         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
3582         step.
3583         (*double_shori): Fix the split condition.  Use GEN_INT instead
3584         of get_int_mode calls.  Mask lower 16-bit of the argument of
3585         the last GEN_INT.
3586         (sym2GOTPLT): Remove.
3587         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3588         gen_rtx_UNSPEC.
3589         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3590         instead of EXTRA_CONSTRAINT_C16.
3592 2006-01-07  Ian Lance Taylor  <ian@airs.com>
3593             David Edelsohn  <edelsohn@gnu.org>
3595         PR rtl-optimization/25662
3596         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3597         for constant operands instead of simplify_gen_binary.
3598         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3599         after trying simplify_binary_operation
3601 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
3603         * tree.c (iterative_hash_expr): Hash decls based on UID.
3605 2006-01-06  Eric Christopher  <echristo@apple.com>
3607         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3608         (TARGET_UNWIND_EMIT): Fix spelling.
3609         * target.h (gcc_target): Add except_table_label.
3610         * except.c (output_function_exception_table): Use.
3611         * varasm.c (default_emit_except_table_label): New.
3612         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3613         define.
3614         (asm_out): Add here.
3615         * output.h (default_emit_except_table_label): Prototype.
3616         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3617         * config/darwin.c (darwin_emit_except_table_label): Define.
3618         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3620 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
3622         PR tree-optimization/18527
3623         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3624         number_of_iterations_special, number_of_iterations_exit):
3625         Move base and step of an iv to a single structure.  Add
3626         no_overflow flag, and use it in # of iterations analysis.
3627         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3628         folded_casts argument.
3629         (simple_iv): Pass base and step in a structure.  Set no_overflow
3630         flag.
3631         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3632         Evaluate expensiveness of computing # of iterations instead of
3633         the final expression.
3634         * tree-scalar-evolution.h (affine_iv): New structure.
3635         (simple_iv): Declaration changed.
3636         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3637         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3638         find_givs_in_stmt): Changed due to simple_iv change.
3640 2006-01-06  Jeff Law  <law@redhat.com>
3642         PR ada/24994
3643         * tree-cfg.c (bsi_replace): Rename final argument from
3644         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
3645         change (stmt -> orig_stmt).
3646         * tree-eh.c (verify_eh_throw_stmt_node): New function.
3647         (bsi_remove): Add new argument.  Remove EH information
3648         if requested.
3649         (verify_eh_throw_table_statements): New function.
3650         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
3651         updated.
3652         * tree-optimize.c (execute_free_cfg_annotations): Verify
3653         the EH throw statement table after removing annotations.
3654         * except.h (verify_eh_throw_table_statements): Prototype.
3655         * tree-flow.h (bsi_remove): Update prototype.
3656         * tree-vrp.c (remove_range_assertions): Add new argument to
3657         bsi_remove call.
3658         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3659         * tree-complex.c (expand_complex_div_wide): Likewise.
3660         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3661         * tree-tailcall.c (eliminate_tailcall): Likewise.
3662         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3663         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3664         * tree-nrv.c (tree_nrv): Likewise.
3665         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3666         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3667         (combine_blocks): Likewise.
3668         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3669         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3670         (cleanup_control_flow): Likewise.
3671         (remove_forwarder_block): Likewise.
3672         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3673         * tree-sra.c (sra_replace): Likewise.
3674         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3675         (forward_propagate_single_use_vars): Likewise.
3676         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3677         * tree-inline.c (expand_call_inline): Likewise.
3678         * tree-vect-transform.c (vect_transform_loop): Likewise.
3679         * tree-outof-ssa.c (rewrite_trees): Likewise.
3680         * tree-cfg.c (make_goto_expr_edges): Likewise.
3681         (cleanup_dead_labels): Likewise.
3682         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3683         (bsi_move_before, bsi_move_after): Likewise.
3684         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3685         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3687 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
3689         PR tree-opt/25528
3690         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3691         and IMAGPART_EXPR.
3692         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3693         on non gimple variables.  Also add checks at the top for decls and
3694         mtags.
3695         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3696         complex types.
3697         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3698         and IMAGPART_EXPR for creating MUST_DEFs.
3699         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3700         and NAME_MEMORY_TAG separately from the DECLs.
3702 2006-01-06  Richard Guenther  <rguenther@suse.de>
3704         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3705         annotation, if necessary.
3706         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3707         redundant calls to update_stmt.
3708         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3709         Likewise.
3711 2006-01-05  Richard Henderson  <rth@redhat.com>
3713         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3715 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3717         * c-typeck.c: Update copyright date.
3719 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3721         * c-typeck.c (build_c_cast): Always warn when casting
3722         from a pointer to an integer of different size, even if
3723         the node was constant.
3725 2006-01-05  Richard Guenther  <rguenther@suse.de>
3727         PR tree-optimization/22555
3728         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3729         if one structure field is an array.
3730         * tree-ssa-operands.c (get_expr_operands): Continue scanning
3731         operands even if we found a subvar, but ignore VOPs in this
3732         case.
3733         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3734         for renaming.
3735         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3737 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
3739         PR middle-end/24998
3740         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3742 2006-01-05  Richard Guenther  <rguenther@suse.de>
3743             Diego Novillo  <dnovillo@redhat.com>
3745         * tree-pass.h (TODO_remove_unused_locals): Define.
3746         * gimple-low.c (expand_var_p, remove_useless_vars,
3747         pass_remove_useless_vars): Remove.  Update all users.
3748         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3749         (remove_unused_locals): New function.
3750         * tree-flow.h (remove_unused_locals): Declare.
3751         * passes.c (execute_todo): Call remove_unused_locals if
3752         TODO_remove_unused_locals is set.
3753         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3754         * tree-ssa-dce.c (pass_dce): Likewise.
3755         * tree-outof-ssa.c (pass_del_ssa): Likewise.
3757 2006-01-05  Richard Guenther  <rguenther@suse.de>
3759         * tree-flow.h (struct fieldoff): Decompose field to
3760         type, size and decl.
3761         * tree-ssa-alias.c (create_sft): Take type as parameter.
3762         (create_overlap_variables_for): Store type, size and decl
3763         in the fieldoff structure.
3764         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3765         of struct fieldoff.
3766         (push_fields_onto_fieldstack): Likewise.
3767         (create_variable_info_for): Likewise.  Use offset for the
3768         SFT name if the decl is not available.
3770 2006-01-04  Paul Brook  <paul@codesourcery.com>
3772         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3774 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
3776         * lambda-code.c (can_put_in_inner_loop): Relax
3777         restrictions.
3778         (can_put_after_inner_loop): New function.
3779         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3780         (perfect_nestify): Change to make copies and modify uses.
3782 2006-01-04  Richard Henderson  <rth@redhat.com>
3784         Merge from gomp branch:
3785         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3786         via integer constant.
3787         (pragma_lex): Remove.
3788         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3789         rather than parsing it.
3790         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3791         handle_pragma_extern_prefix): Add %< %> quotes.
3792         (registered_pragmas): New.
3793         (c_register_pragma_1): New.
3794         (c_register_pragma): Use it.
3795         (c_register_pragma_with_expansion): Likewise.
3796         (c_invoke_pragma_handler): New.
3797         (init_pragma): Use cpp_register_deferred_pragma directly for
3798         pch_preprocess.
3799         * c-pragma.h (enum pragma_kind): New.
3800         (pragma_handler): New.
3801         (c_invoke_pragma_handler): Declare.
3802         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3803         CPP_PRAGMA_EOL.
3804         * c-common.h (c_common_pch_pragma): Update decl.
3805         * Makefile.in (c-parser.o): Update dependencies.
3806         (GTFILES): Add c-pragma.h.
3807         * c-parser.c (struct c_token): Add pragma_kind.
3808         (struct c_parser): Add in_pragma.
3809         (c_lex_one_token): Always initialize keyword and pragma_kind.
3810         Extract data for CPP_PRAGMA.
3811         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3812         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3813         Don't allow CPP_PRAGMA_EOL if in_pragma.
3814         (c_parser_consume_pragma): New.
3815         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3816         (c_parser_skip_to_end_of_parameter): Likewise.
3817         (c_parser_skip_to_end_of_block_or_statement): Likewise.
3818         (c_parser_skip_to_pragma_eol): New.
3819         (c_parser_external_declaration): Handle CPP_PRAGMA.
3820         (c_parser_compound_statement_nostart): Likewise.
3821         (c_parser_statement_after_labels): Likewise.
3822         (c_parser_pragma): New.
3823         (pragma_lex): Likewise.
3824         (c_parser_pragma_pch_preprocess): New.
3825         (c_parser_new): Merge into ...
3826         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
3828 2006-01-04  Jeff Law  <law@redhat.com>
3830         PR ada/24994
3831         * tree-cfg.c (bsi_replace): Remove the original statement
3832         from the EH throw statement table.
3834 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
3836         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3837         make the prototype extern "C" and add throw ().
3839         PR target/25554
3840         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3841         and pos non-negative and pos + len <= 32.
3842         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3843         drop pos + len < HOST_BITS_PER_WIDE_INT test.
3844         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3846         PR c/25559
3847         * c-common.c (handle_vector_size_attribute): Reject zero vector size
3848         as well as sizes not multiple of component size.
3850         PR debug/25562
3851         * function.c (instantiate_expr): New function.
3852         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3853         walk its DECL_VALUE_EXPR with instantiate_expr.
3855         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3856         DW_OP_deref{,_size} if address isn't going to be added.
3858 2006-01-04  Ben Elliston  <bje@au.ibm.com>
3860         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3861         * config/fp-bit.c: Likewise.
3863 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
3865         * dominance.c: Add comment about why we use DFS numbering
3866         of dominance tree.
3868 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3869             Richard Henderson  <rth@redhat.com>
3871         Merge from gomp-branch:
3872         * varasm.c (assemble_variable): Handle thread-local COMMON data.
3873         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3875 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
3877         PR rtl-optimization/25578
3878         * combine.c (combine_simplify_rtx, force_to_mode): Don't
3879         pass a parameter to simplify_shift_const if changing ASHIFTRT
3880         to LSHIFTRT.
3882 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
3884         * builtins.c (get_builtin_sync_mem): New function.
3885         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3886         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3887         Call get_builtin_sync_mem to generate mem rtx.
3889 2006-01-03  Richard Guenther  <rguenther@suse.de>
3891         PR c/25183
3892         * stmt.c (add_case_node): Make sure to clear overflow flags
3893         from ranges.
3895 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3897         Merge from gomp-branch.
3898         * config/sparc/sync.md: New file.
3899         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3900         UNSPECV_LDSTUB): New constants.
3901         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3902         * config/sparc/predicates.md (memory_reg_operand): New predicate.
3903         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3904         prototype.
3906 2006-01-03  Roger Sayle  <roger@eyesopen.com>
3908         * combine.c (reg_subword_p): New predicate to test whether the
3909         destination of a set refers to a subword/piece of a register.
3910         (try_combine): Generalize the code to merge the setting of a
3911         pseudo to a constant followed by a set of a subword of that
3912         register to a constant.
3914 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
3916         * basic-block.h (control_flow_graph): Change the type of
3917         x_label_to_block_map to VEC(basic_block,gc) *.
3918         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3919         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3921         * tree-ssa-propagate.c (cfg_blocks): Change the type to
3922         VEC(basic_block,heap) *.
3923         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3924         ssa_prop_fini): Adjust the uses of cfg_blocks.
3926 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
3928         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3929         COMPONENT_REFs.
3930         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3931         hashing trees instead of a pointer hash.
3932         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3933         compare for MEM_EXPR.
3935         PR rtl-optimization/25130
3936         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3937         when comparing MEMs for GCSE
3939 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3941         * targhooks.h (default_decimal_float_supported_p): Declare.
3942         * targhooks.c (default_decimal_float_supported_p): Define.
3943         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3944         `default_decimal_float_supported_p'.
3945         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3947 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3949         * combine.c (apply_distributive_law <SUBREG>): Check
3950         TRULY_NOOP_TRUNCATION.
3952 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3954         * dwarf2out.c (have_switched_text_section): Delete.
3955         (have_multiple_function_sections): New.
3956         (have_location_lists): Make 'bool'.
3957         (add_AT_loc_list): Use 'true' not '1'.
3958         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3959         (output_loc_list): Use have_multiple_function_sections.
3960         (output_ranges): Likewise.
3961         (dwarf2out_begin_function): Set have_multiple_function_sections if
3962         necessary.
3963         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3964         Check function_section rather than DECL_SECTION_NAME.
3965         (dwarf2out_finish): Use have_multiple_function_sections.
3966         Don't clear have_location_lists.
3968 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3969             Jan Hubicka  <jh@suse.cz>
3971         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3972         case of conditional jump jumping to the next instruction.
3973         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3974         cases of conditional jump jumping to the next instruction.
3976 2006-01-02  Jan Hubicka  <jh@suse.cz>
3978         * i386.c (*_cost): Add COSTS_N_INSNS.
3979         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3981 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3983         PR target/25259
3984         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3986 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3988         * config/arm/arm.c (all_fpus): Fix comment typo.
3989         * config/darwin.c: Likewise.
3990         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3991         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3992         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3994 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3996         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3997         (rs6000_split_compare_and_swapqhi): New.
3998         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3999         (sync_compare_and_swapqhi_internal): New.
4000         * config/rs6000/rs6000-protos.h: Declare.