OSDN Git Service

d5eb9aec6864289ff642745a1e2a5ac189412b74
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-01-19  Ian Lance Taylor  <iant@google.com>
2
3         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4         to unsigned.
5         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
6         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
7         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10         (realloc_vdef, realloc_vuse): Change second parameter to
11         unsigned.
12         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
13         fields to unsigned.
14         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
15         unsigned. Change x and lim locals to unsigned.
16         (realloc_vdef, realloc_vuse): Change num_elem parameter to
17         unsigned.
18         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
19         (copy_virtual_operands): Change i and n locals to unsigned.
20
21 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22
23         PR middle-end/29335
24         * builtins.c (fold_builtin_1): Handle builtin fdim.
25
26 2007-01-20  Jan Hubicka  <jh@suse.cz>
27
28         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
29         * tree-ssa-structalias.c (compute_points_to_sets): Do call
30         init_alias_heapvars.
31         (init_alias_heapvars): Initialize only when not already initialized.
32         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
33
34 2007-01-19  Roger Sayle  <roger@eyesopen.com>
35
36         * common.opt (fsigned-zeros): New command line option.
37         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
38         of flag_unsafe_math_optimizations.
39         * opts.c (set_fast_math_flags): The -ffast-math command line option
40         implies -fno-signed-zeros.
41         (fast_math_flags_set_p): Likewise.
42
43         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
44         the documentation of -ffast-math appropriately.  Wrap long lines.
45
46 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
47
48         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
49         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
50
51 2007-01-19  Tomas Bily  <tbily@suse.cz>
52
53         * cgraphunit.c (cgraph_finalize_function): Updating of pid
54         * tree-profile.c:
55         (tree_init_ic_make_global_vars): New function
56         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
57         (tree_gen_ic_profiler): New function
58         (tree_gen_ic_func_profiler): New function
59         (tree_profiling): Added calling of tree_gen_ic_func_profiler
60         (tree_profile_hooks): Added hook for indirec/virtual calls
61         * value-prof.c (tree_find_values_to_profile): New case for
62         indirect calls
63         (tree_values_to_profile): Call for determining indirect/virtual
64         counters
65         (tree_indirect_call_to_profile): New function
66         (tree_ic_transform): New function
67         (tree_ic): New function
68         (find_func_by_pid): New function
69         (init_pid_map): New function
70         (tree_value_profile_transformations): Added check for
71         indirect/virtual call transformation
72         * value-prof.h (enum hist_type): New counter type for
73         indirect/virtual calls
74         (profile_hooks): Added new hook for profiling indirect/virtual
75         calls
76         * profile.c (instrument_values): New case for indirect/virtual
77         call added
78         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
79         (GCOV_COUNTER_V_INDIR): New counter type
80         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
81         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
82         call added
83         * cgraph.c: Definition of cgraph_max_pid
84         (cgraph_create_node): Default init of pid attribute
85         * cgraph.h: Declaration of cgraph_max_pid
86         (struct cgraph_node): Added pid attribute
87         * libgcov.c (__gcov_indirect_call_profiler): New function
88         (__gcov_one_value_profiler_body): New function
89         (__gcov_one_value_profiler): Body was moved to
90         __gcov_one_value_profiler_body and calls it
91
92 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
93
94         * doc/gty.texi (Options): Document the mark_hook option to
95         GTY.
96         * gcc/gengtype.c (write_types_data, write_func_for_structure,
97         write_types, ggc_wtd, pch_wtd): Added skip_hooks to
98         write_types_data, ggc_wtd, pch_wtd for mark_hook.
99         (walk_type, write_func_for_structure): Generate the mark_hook if
100         needed.
101
102 2007-01-19  Jan Hubicka  <jh@suse.cz>
103
104         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of 'early' argument
105         take inlining mode argument specifying whether to inline for size/speeed or all
106         functions; add support for flattening; improve dumpting.
107         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
108
109 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
110
111         PR c++/17947
112         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
113         the name of the declared identifier.
114                 
115 2007-01-19  Dirk Mueller  <dmueller@suse.de>
116
117         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
118         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
119         duplicate evaluation.
120
121 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
122
123         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
124         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
125         to XFMode, use acosxf2 and truncate result to requested mode.
126         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
127         (asin<mode>2): Similarly, with asin expanders.
128         (*fscalexf4_i387): Rename from *fscalexf4.
129         (expNcorexf3): New expander.
130         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
131         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
132         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
133         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
134         patterns for SSE math.
135         (exp10<mode>2): Similarly, with exp10 expanders.
136         (exp2<mode>2): Similarly, with exp2 expanders.
137         (expm1<mode>2): Similarly, with expm1 expanders.
138         (ldexp<mode>3): Similarly, with ldexp expanders.
139         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
140         Use gen_truncxf<mode>2_i387_noop to truncate result.
141
142 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
143
144         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
145         for ColdFire targets.
146
147 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
148             Richard Sandiford  <richard@codesourcery.com>
149
150         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
151         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
152         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
153         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
154         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
155         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
156
157 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
158
159         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
160         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
161         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
162         (*adddi_dilshr32_cf): New pattern.
163         (adddi3, subdi3): Remove first alternatives.
164
165 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
166
167         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
168         implemented using move.l, do not use its cc result for floating-point
169         comparisons.
170
171 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
172
173         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
174         from accepting 's' constraints if flag_pic.
175
176 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
177
178         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
179         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
180         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
181         condition from TARGET_68881 to TARGET_HARD_FLOAT.
182
183 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
184
185         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
186         ColdFire alternatives.
187         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
188         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
189         architectures that support ff1 instruction.
190
191 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
192             Julian Brown  <julian@codesourcery.com>
193
194         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
195         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
196         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
197         Add commentary.
198
199 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
200
201         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
202         and return a bool.
203         (output_move_const_into_data_reg, output_move_simode_const): Delete.
204         * config/m68k/m68k.c (const_method, const_int_cost): Take a
205         HOST_WIDE_INT instead of an rtx.
206         (m68k_rtx_costs): Update call accordingly.
207         (output_move_const_into_data_reg): Likewise.  Fix formatting.
208         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
209         Return a bool.
210         (output_move_simode_const): Update calls after above changes.
211         Rework to use automatic variables and predicates like MEM_P.
212         * config/m68k/m68k.md (pushexthisi_const): Update call to
213         valid_mov3q_const.
214
215 2007-01-19  Dirk Mueller  <dmueller@suse.de>
216
217         * tree-ssa-alias.c (perform_var_substitution): Fix typo
218         in dump_flags test.
219
220 2007-01-19  Richard Guenther  <rguenther@suse.de>
221
222         * builtins.c (expand_builtin_cexpi): Fall back to expanding
223         via cexp in case sincos is not available.
224
225 2007-01-19  Richard Guenther  <rguenther@suse.de>
226
227         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
228         * defaults.h (TARGET_HAS_SINCOS): Default to off.
229         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
230         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
231         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
232         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
233         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
234         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
235
236 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
237
238         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
239         New insn patterns.
240         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
241         (atan2xf3): Directly generate RTL pattern.
242         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
243         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
244         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
245         disable patterns for SSE math.
246         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
247         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
248         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
249         disable patterns for SSE math.
250
251 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
252
253         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
254
255 2007-01-18  Roger Sayle  <roger@eyesopen.com>
256
257         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
258         VIEW_CONVERT_EXPR to the same type as it's operand.
259
260 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
261
262         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
263         configured for long double 128.
264
265 2007-01-18  Mike Stump  <mrs@apple.com>
266
267         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
268         error.
269
270 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
271
272         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
273         type correct.
274
275 2007-01-18  Jan Hubicka  <jh@suse.cz>
276
277         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
278         greater than NUM_VOP_FREE_BUCKETS.
279
280 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
281
282         * tree-ssa-structalias.c: Update comments.
283         (ptabitmap_obstack): Removed.
284         (pta_obstack): New.
285         (oldpta_obstack): Ditto.
286         (stats): Add a few members.
287         (struct variable_info): Remove node, complex, address_taken, and
288         indirect_target members. Add oldsolution member.
289         (new_var_info): Do not initialize removed members.
290         (constraint_expr_type): Remove INCLUDES.
291         (constraint_graph): Add size, implicit_preds, rep,
292         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
293         (FIRST_REF_NODE): New macro.
294         (LAST_REF_NODE): Ditto.
295         (FIRST_ADDR_NODE): Ditto.
296         (find): New function.
297         (unite): Ditto.
298         (dump_constraint): Do not handle INCLUDES.
299         (insert_into_complex): Do not insert duplicate constraints.
300         (condense_varmap_nodes): Renamed and rewritten into ...
301         (merge_node_constraints): This. Also fix bug in handling of
302         offseted copy constraints.
303         (clear_edges_for_node): No longer need to deal with preds at all,
304         or removing associated preds/succs. 
305         (merge_graph_nodes): Deal with indirect_cycles.
306         Don't deal with predecessors.
307         (add_implicit_graph_edge): New function.
308         (add_pred_graph_edge): Ditto.
309         (add_graph_edge): Don't deal with predecessors.
310         (build_constraint_graph): Removed.
311         (build_pred_graph): New function.
312         (build_succ_graph): Ditto.
313         (struct scc_info): Removed in_component. Added roots, dfs, and
314         node_mapping. Remove visited_index, unification_queue.
315         (scc_visit): Deal with union-find we do now.
316         Deal with cycles with REF nodes.
317         (collapse_nodes): Renamed and rewritten to ...
318         (unify_nodes): This.
319         (process_unification_queue): Removed.
320         (topo_visit): Cleanup
321         (do_da_constraint): Use find.
322         (do_sd_constraint): Ditto.
323         (do_ds_constraint): Ditto.
324         (do_complex_constraint): Ditto.
325         (init_scc_info): Update for removed and added members.
326         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
327         (find_indirect_cycles): This.
328         (equivalence_class): New variable.
329         (label_visit): New function.
330         (perform_variable_substitution): Rewritten.
331         (free_var_substitution_info): New function.
332         (find_equivalent_node): Ditto.
333         (move_complex_constraints): Ditto.
334         (eliminate_indirect_cycles): Ditto.
335         (solve_graph): Only propagate changed bits.
336         Use indirect cycle elimination.
337         Use find.
338         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
339         (tree_id_eq): Renamed to ...
340         (tree_vi_eq): This. Update for member change
341         (insert_id_for_tree): Renamed and rewritten to ...
342         (insert_vi_for_tree): This.
343         (lookup_id_for_tree): Renamed and rewritten to ...
344         (lookup_vi_for_tree): This.
345         (get_id_for_tree): Renamed and rewritten to ...
346         (get_vi_for_tree): Ditto.
347         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
348         (process_constraint): Don't handle INCLUDES.
349         Remove special ADDRESSOF case.
350         (find_func_aliases): Rewrite to use vi functions instead of id
351         ones.
352         (create_function_info_for): Ditto.
353         (create_variable_info_for): Ditto.
354         (intra_create_variable_infos): Ditto.
355         (merge_smts_into): Ditto.
356         (find_what_p_points_to): Ditto.
357         (init_base_vars): Ditto.
358         (init_alias_vars): Ditto.
359         (remove_preds_and_fake_succs): New function.
360         (dump_sa_points_to_info): Dump new stats.
361         (dump_solution_for_var): Use find.
362         (set_used_smts): Fix formatting.
363         (compute_points_to_sets): Updated for new functions.
364         (ipa_pta_execute): Ditto.
365
366 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
367             Richard Sandiford  <richard@codesourcery.com>
368
369         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
370         parallels.
371         * calls.c (expand_call): If the return value is a PARALLEL,
372         extract its first member.
373         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
374         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
375         use FUNCTION_EXTRA_EPILOGUE.
376         (m68k_function_value): Return a PARALLEL if the return value
377         is of a pointer type.
378         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
379         (FUNCTION_EXTRA_EPILOGUE): Remove.
380         * config/m68k/m68k.md (D0_REG): New constant.
381
382 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
383
384         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
385         output a NOP for empty epilogues.
386
387 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
388
389         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
390         before function.  Extend register save check to include all
391         registers, not just integer ones.
392
393 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
394
395         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
396         (m68k_use_return_insn): ...this.
397         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
398         * config/m68k/m68k.c (use_return_insn): Rename to...
399         (m68k_use_return_insn): ...this.
400         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
401         of USE_RETURN_INSN.
402
403 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
404
405         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
406         nearest even, fix denormal rounding overflow.
407
408 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
409
410         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
411         f%$smove and f%$move.
412         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
413         (extendsfdf2_cf): Use fdmove instead of f%&move.
414         (truncdfsf2_cf): Use fsmove instead of f%$smove.
415         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
416
417 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
418
419         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
420         GPR<-GPR moves.
421
422 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
423
424         * real.h (real_format): Add a canonical_nan_lsbs_set field.
425         (coldfire_single_format): Declare.
426         (coldfire_double_format): Likewise.
427         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
428         of qnan_msb_set to determine the lower bits of a canonical
429         NaN significand.
430         (encode_ieee_double): Likewise.
431         (encode_ieee_quad): Likewise.
432         (ieee_single_format): Initialize canonical_nan_lsbs_set.
433         (mips_single_format): Likewise.
434         (ieee_double_format): Likewise.
435         (mips_double_format): Likewise.
436         (ieee_extended_motorola_format): Likewise.
437         (ieee_extended_intel_96_format): Likewise.
438         (ieee_extended_intel_128_format): Likewise.
439         (ieee_extended_intel_96_round_53_format): Likewise.
440         (ibm_extended_format): Likewise.
441         (mips_extended_format): Likewise.
442         (ieee_quad_format): Likewise.
443         (mips_quad_format): Likewise.
444         (vax_f_format): Likewise.
445         (vax_d_format): Likewise.
446         (vax_g_format): Likewise.
447         (i370_single_format): Likewise.
448         (i370_double_format): Likewise.
449         (decimal_single_format): Likewise.
450         (decimal_double_format): Likewise.
451         (decimal_quad_format): Likewise.
452         (c4x_single_format): Likewise.
453         (c4x_extended_format): Likewise.
454         (real_internal_format): Likewise.
455         (coldfire_single_format): New real_format.
456         (coldfire_double_format): Likewise.
457         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
458         canonical_nan_lsbs_set.
459         (pdp11_d_format): Likewise.
460         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
461         if TARGET_COLDFIRE_CPU.
462
463 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
464
465         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
466         (output_call, m68k_legitimize_call_address): Declare.
467         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
468         parenthesees.  Add support for a 'W' constraint.
469         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
470         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
471         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
472         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
473         variables.
474         (override_options): Initialize them.  Do not set flag_no_function_cse
475         for TARGET_ID_SHARED_LIBRARY.
476         (m68k_output_pic_call): Delete.
477         (m68k_legitimize_call_address): New function.
478         (print_operand): Remove the %o prefix.  Handle the %p prefix.
479         (output_call): New function.
480         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
481         target address from the GOT if symbolic jumps are not allowed.
482         * config/m68k/m68k.md (call, general_operand): Do not set
483         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
484         Merge separate flag_pic and !flag_pic define_insns into...
485         (*call, *call_value): ...these new patterns.  Match the address
486         rather than the containing MEM and require it to be a call_operand.
487         Use output_call to generate the asm template.
488         * config/m68k/predicates.md (const_call_operand): New predicate.
489         (call_operand): Likewise.
490
491 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
492
493         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
494         (STACK_GROWS_DOWNWARD): Define to 1.
495         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
496         comments, emphasizing that these values are only defaults.
497         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
498         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
499
500 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
501
502         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
503
504 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
505             Richard Sandiford  <richard@codesourcery.com>
506
507         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
508         (FP_REGNO_P): New macros.
509         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
510         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
511         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
512         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
513
514 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
515
516         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
517         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
518         to $tmake_file.
519         * config/m68k/t-floatlib: New file, extracting common code from...
520         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
521         * config/m68k/t-uclinux: Here.
522         * config/m68k/fpgnulib.c: Do not compile extendeed precision
523         routines on ColdFire targets.
524
525 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
526
527         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
528         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
529         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
530         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
531         explicitly set MOTOROLA to 1.
532         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
533
534 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
535             Nathan Sidwell  <nathan@codesourcery.com>
536
537         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
538         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
539         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
540         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
541         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
542         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
543         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
544         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
545         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
546         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
547         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
548         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
549         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
550         (DBX_REGISTER_NUMBER): Delete.
551         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
552         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
553         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
554
555 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
556
557         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
558         * config/flat.h: New file.
559         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
560         OBJECT_FORMAT_FLAT.
561         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
562         indirect references for -msep-data or -mid-shared-library.
563         Do not use PC-relative code addresses either.
564         * config/m68k/m68k.c (override_options): Restrict -fPIC error
565         to -mpcrel.
566         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
567         for shared libraries and crt1.o for executables.  Use crti.o and
568         crtbegin.o.
569         (ENDFILE_SPEC): Use crtend.o and crtn.o.
570         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
571         Do not add -elf2flt or -shared-lib-id options here.
572         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
573         Pass -shared-lib-id if -mid-shared-library, taking the library
574         identifier from -mshared-library-id if given, otherwise
575         defaulting to 0.
576         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
577         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
578         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
579         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
580         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
581         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
582         and crtend.o.
583         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
584         jump sequence for ISA A and ISA A+.
585         (PICJUMP): Likewise.
586
587 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
588
589         * config.gcc (m68k-*-uclinux*): Base the port on the common
590         and m68k GNU/Linux files rather than on the generic ELF ones.
591         * config/m68k/uclinux.h (TARGET_VERSION): Override.
592         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
593
594 2007-01-18  Julian Brown  <julian@codesourcery.com>
595             Richard Sandiford  <richard@codesourcery.com>
596
597         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
598         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
599         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
600         before redefining.
601         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
602         80 unconditionally.
603         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
604
605 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
606
607         * doc/install.texi: Document m68k-uclinuxoldabi.
608         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
609         * config/m68k/uclinux-oldabi.h: New file, copied from
610         config/m68k/uclinux.h.
611
612 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
613
614         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
615         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
616         (m32r_compute_frame_size): Use unsigned for regno.
617         (m32r_reload_lr): Use gen_frame_mem.
618         (pop): New.
619         (m32r_output_function_epilogue): Don't output the function epilogue
620         textually here.
621         (m32r_expand_epilogue): New.
622         (direct_return): Return false if the function has the interrupt
623         attribute.
624         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
625         * config/m32r/m32r.md (epilogue): New expander.
626         (return_lr, return_rte): New insns.
627         (return): Make it expander.
628         (return_normal): New expander.
629
630 2007-01-18  Josh Conner  <jconner@apple.com>
631
632         PR target/30485
633         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
634         support for UNLE, UNLT, UNGE, and UNGT.
635
636 2007-01-18  Jan Hubicka  <jh@suse.cz>
637
638         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
639         * tree-tailcall (add_virtual_phis): Likewise.
640         (optimize_tail_call): Return TODOs.
641         (execute_tail_calls): Return TODOs.
642         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
643         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
644         changed.
645         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
646         Cleanup cfg using TODO.
647         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
648         * passes.c (execute_function_todo): When cleanup did something, remove
649         unused locals.
650         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
651         (make_edges): Don't cleanup_cfg.
652
653 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
654
655         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
656         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
657         operate on the top of stack.
658         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
659         register handling of instructions that output to the second
660         stack slot.
661         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
662         (move_for_stack_reg): Special-case check for dead destination
663         stack slot for constant load of 1.0 inside UNSPEC_TAN.
664
665         * config/i386/i386.md (UNSPEC_TAN): New constant.
666         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
667         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
668         to correctly model move of constant 1.0 to top stack slot.
669         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
670         (unnamed peephole2 pattern): Remove corresponding peephole2
671         pattern that optimizes tan insn and loading of constant 1.0.
672         (tanxf2): Use fptanxf4_i387.
673         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
674         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
675         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
676         disable patterns for SSE math.
677         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
678         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
679
680 2007-01-18  Dirk Mueller  <dmueller@suse.de>
681             Richard Guenther <rguenther@suse.de>
682
683         PR diagnostic/8268
684         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
685         * common.opt (Warray-bounds): Add new warning option.
686         * c-opts.c (c_common_handle_option): Define -Warray-bounds
687         if -Wall is given.
688         * Makefile.in: make tree-vrp.o depend on toplev.h
689         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
690         is enabled.
691         (check_array_refs, check_array_bounds, check_array_ref): New.
692
693 2007-01-18  Jan Hubicka  <jh@suse.cz>
694
695         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
696         (execute_ssa_ccp): Return flags conditionally.
697         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
698         changed.
699         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
700
701 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
702
703         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
704         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
705
706         * Makefile.c (GTFILES): Add cfglayout.h.
707         * gengtype.c (open_base_files): Likewise.
708         * cfglayout.c (cfg_layout_function_footer,
709         cfg_layout_function_header) Reindent to make gengtype happy.
710         * cfglayout.h (cfg_layout_function_footer,
711         cfg_layout_function_header): Add GTY(()) marker.
712
713         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
714
715 2007-01-18  Ben Elliston  <bje@au.ibm.com>
716
717         * genautomata.c (write_automata): Include xstrerror output in the
718         error message if writing the DFA description file fails.
719
720 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
721
722         * config/mips/mips-protos.h (mips_output_external): Make it
723         return void.
724         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
725         * config/mips/mips.c (irix_output_external_libcall): Likewise.
726         (extern_list): Likewise.
727         (extern_head): Likewise.
728         (TARGET_ASM_FILE_END): Likewise.
729         (mips_file_end): Likewise.
730         (mips_output_external): Rewritten.
731
732 2007-01-18  Ben Elliston  <bje@au.ibm.com>
733
734         * genpreds.c (write_insn_preds_c): Only write out the function
735         body for regclass_for_constraint if we have register constraints.
736
737 2007-01-17  Tom Tromey  <tromey@redhat.com>
738
739         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
740         * doc/install.texi (Testing): Use sourceware.org.
741         (Binaries): Likewise.
742         (Specific): Likewise.
743         * doc/contrib.texi (Contributors): Use sourceware.org.
744
745 2007-01-17  Anatoly Sokolov <aesok@post.ru>
746
747         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
748         (AVR_ENHANCED): Rename to ...
749         (AVR_HAVE_MUL): ... new.
750         (avr_enhanced_p): Rename to ...
751         (avr_have_mul_p): ... new.
752         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
753         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
754         * config/avr/avr.c (avr_enhanced_p): Rename to ...
755         (avr_have_mul_p): ... new.
756         (base_arch_s): Rename 'enhanced' to 'have_mul'.
757         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
758         'avr_enhanced_p' and 'enhanced'.
759         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
760         AVR_HAVE_MUL instead of AVR_ENHANCED.
761         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
762         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
763         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
764         instead of AVR_ENHANCED.
765         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
766         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
767         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
768
769 2007-01-17  Ian Lance Taylor  <iant@google.com>
770
771         * vec.h (VEC_reserve_exact): Define.
772         (vec_gc_p_reserve_exact): Declare.
773         (vec_gc_o_reserve_exact): Declare.
774         (vec_heap_p_reserve_exact): Declare.
775         (vec_heap_o_reserve_exact): Declare.
776         (VEC_OP (T,A,reserve_exact)): New static inline function, three
777         versions.
778         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
779         negative parameter.
780         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
781         (VEC_OP (T,A,copy)) [all versions]: Likewise.
782         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
783         * vec.c (calculate_allocation): Add exact parameter.  Change all
784         callers.
785         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
786         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
787         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
788         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
789         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
790         (vec_heap_p_reserve_exact): New function.
791         (vec_heap_o_reserve_exact): New function.
792
793 2007-01-17  Jan Hubicka  <jh@suse.cz>
794
795         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
796
797 2007-01-17  Eric Christopher  <echristo@apple.com>
798
799         * config.gcc: Support core2 processor.
800
801 2007-01-16  Jan Hubicka  <jh@suse.cz>
802
803         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
804         the names, just unlink the chain so we don't crash on dangling pointers
805         to dead SSA names.
806
807 2007-01-16  Jan Hubicka  <jh@suse.cz>
808
809         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
810         * tree-pass.h: Reorder to make IPA passes appear toegher.
811         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
812         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
813         parameters, do not call early inliner.
814         * ipa-inline.c: Update comments.  Include tree-flow.h
815         (cgraph_decide_inlining): Do not compute inlining parameters.
816         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
817         be called with function context set up.
818         (pass_ipa_inline): Remove unreachable functions before pass.
819         (cgraph_early_inlining): Simplify assuming to be called from the
820         PM as local pass.
821         (pass_early_inline): New pass.
822         (cgraph_gate_ipa_early_inlining): New gate.
823         (pass_ipa_early_inline): Turn into simple wrapper.
824         (compute_inline_parameters): New function.
825         (gate_inline_passes): New gate.
826         (pass_inline_parameters): New pass.
827         (apply_inline): Move here from tree-optimize.c
828         (pass_apply_inline): New pass.
829         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
830         transforming.
831         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
832         doing them by hand.
833         (tree_function_versioning): Do not allocate dummy struct function.
834         * tree-inline.h (optimize_inline_calls): Update prototype.
835         * tree-optimize.c (execute_fixup_cfg): Export.
836         (pass_fixup_cfg): Remove
837         (tree_rest_of_compilation): Do not apply inlines.
838         * tree-flow.h (execute_fixup_cfg): Declare.
839         * Makefile.in (gt-passes.c): New.
840         * passes.c: Include gt-passes.h
841         (init_optimization_passes): New passes.
842         (nnodes, order): New static vars.
843         (do_per_function_toporder): New function.
844         (execute_one_pass): Dump current pass here.
845         (execute_ipa_pass_list): Don't dump current pass here.
846
847 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
848
849         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
850         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
851
852 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
853
854         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
855         (strong_alias): Define.
856         (__gcc_qmul): Provide non-FMA for soft-float.
857         (__gcc_qdiv): Same.
858         (__gcc_qneg): New.
859         (__gcc_qeq): New.
860         (__gcc_qle): New.
861         (__gcc_qge): New.
862         (__gcc_qunord): New.
863         (__gcc_stoq): New.
864         (__gcc_dtoq): New.
865         (__gcc_qtos): New.
866         (__gcc_qtod): New.
867         (__gcc_qtoi): New.
868         (__gcc_qtou): New.
869         (__gcc_itoq): New.
870         (__gcc_utoq): New.
871         (fmsub): New.
872         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
873         soft-float functions.
874         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
875         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
876         about long double soft float.
877
878 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
879             Tehila Meyzels  <tehila@il.ibm.com>
880
881         * tree-vectorizer.h (is_pattern_stmt_p): New.
882         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
883         formatting (tabs instead of spaces). Cleanup and clarify setting
884         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
885         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
886         (vectorizable_type_demotion): Check that types are integral.
887         (vectorizable_type_promotion): Likewise.
888         (vectorizable_store): Fix typo.  Eliminate new-line at end of
889         comments.
890
891 2007-01-16  Jan Hubicka  <jh@suse.cz>
892
893         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
894         cgraph edges too.
895
896 2007-01-15  Eric Christopher  <echristo@apple.com>
897
898         * ifcvt.c: Include vec.h, vecprim.h.
899         (check_cond_move_block): New argument regs.
900         Reorganize. Add registers used to regs.
901         (cond_move_process_if_block): Use regs set above as
902         loop bounds.
903
904 2007-01-15  Eric Christopher  <echristo@apple.com>
905
906         * config/darwin.h: Update copyright.
907         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
908         (LINK_COMMAND_SPEC): Add -u.
909         (LINK_SPEC): Fix umbrella for above.
910
911 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
912
913         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
914         glibc CVS.
915
916 2007-01-15  Tom Tromey  <tromey@redhat.com>
917
918         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
919         * doc/install.texi (Testing): Don't mention jacks.
920         (Configuration): Document --enable-java-maintainer-mode.  Move
921         --with-java-home to libgcj-specific section.  Document
922         --with-ecj-jar.
923         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
924
925 2007-01-15  Jan Hubicka  <jh@suse.cz>
926
927         * tree-ssa-dce.c (DCE_TODOs): New.
928         (propagate_necessity): Return if something changed.
929         (eliminate_unnecessary_stmts): Likewise.
930         (perform_tree_ssa_dce): Return TODO flags when needed.
931         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
932
933 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
934
935         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
936         (fyl2x_extend<mode>xf3_i387): New insn pattern.
937         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
938         patterns using X87MODEF12 mode macro.  Extend operand 1
939         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
940         (log10<mode>2): Ditto.
941         (log2<mode>2): Ditto.
942         (log1p<mode>2): Ditto.
943         (logb<mode>2): Ditto.
944         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
945         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
946         (*fxtractxf3_i387): Rename from *fxtractxf3.
947         (fxtract_extend<mode>xf3_i387): New insn pattern.
948         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
949         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
950         and gen_fyl2xxf3_i387().
951
952 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
953
954         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
955         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
956         get_loop_exit_edges.  Changed return type to bool.
957         * cfgloop.h (fix_loop_placement): Declaration removed.
958
959 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
960
961         * param.h (MIN_VECT_LOOP_BOUND): New.
962         * params.def (MIN_VECT_LOOP_BOUND): New.
963         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
964         argument - minimum threshold for number of iterations.
965         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
966         argument to declaration.
967         * tree-vect-analyze.c (vect_analyze_operations): Check value of
968         MIN_VECT_LOOP_BOUND.
969         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
970         slpeel_tree_peel_loop_to_edge with additional argument.
971         (vect_do_peeling_for_alignment): Likewise.
972         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
973
974 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
975
976         PR target/30413
977         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
978         operands of size 1.
979
980 2007-01-14  Jan Hubicka  <jh@suse.cz>
981
982         * tree-dfa.c (remove_referenced_var): New function.
983         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
984         prune referenced vars list too.
985         * tree-flow.h (remove_referenced_var): Declare.
986
987 2007-01-14  Jan Hubicka  <jh@suse.cz>
988
989         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
990         separately.
991         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
992         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
993         * except.h (verify_eh_throw_table_statements): Kill prototype.
994         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
995         into call exrepssions.
996         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
997         eh trhow verifier.
998         * tree-cfg.c: Include pointer-set.h.
999         (verify_node_sharing): Work on pointer set.
1000         (verify_eh_throw_stmt_node): New.
1001         (verify_stmts): Use pointers sets, verify throw_stmt.
1002
1003 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1004
1005         * ipa-reference.c (analyze_function): Consider also addresses taken
1006         in phi nodes.
1007
1008 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1009
1010         * c-typeck.c (null_pointer_constant_p): Replace use of
1011         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1012         (build_c_cast): Likewise.
1013
1014 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1015
1016         * tree.h (force_fit_type_double): Remove unused final argument.
1017         * c-common.c (constant_expression_warning): Replace use of
1018         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1019         (convert_and_check): Likewise.
1020         (shorten_compare): Update call to force_fit_type_double.
1021         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1022         * convert.c (convert_to_pointer): Update call to
1023         force_fit_type_double.
1024         * fold-const.c (force_fit_type_double): Remove overflowed_const
1025         argument.
1026         (int_const_binop, fold_convert_const_int_from_int,
1027         fold_convert_const_int_from_real, fold_div_compare,
1028         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1029         fold_abs_const, fold_not_const): Remove the final argument from
1030         calls to force_fit_type_double.
1031
1032 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1033
1034         * configure.ac: Set insn to "nop" for spu-*-* also.
1035         * configure: Regenerate.
1036
1037 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1038
1039         * builtins.def : Add BUILT_IN_FREE.
1040
1041 2007-01-12  Jan Hubicka  <jh@suse.cz>
1042
1043         PR tree-optimization/30443
1044         * tree-inline.c (tree_function_versioning): Do not optimize when
1045         cloning for inlining.
1046
1047 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1048
1049         * doc/loop.texi: Document recording of loop exits.
1050         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1051         (update_single_exits_after_duplication,
1052         update_single_exit_for_duplicated_loop,
1053         update_single_exit_for_duplicated_loops): Removed.
1054         (duplicate_loop_to_header_edge): Do not call
1055         update_single_exits_after_duplication and
1056         update_single_exit_for_duplicated_loops.
1057         (loop_version): Do not update single_exit information.
1058         (fix_loop_structure): Use record_loop_exits instead of
1059         mark_single_exit_loops.
1060         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1061         the lists of loop exits.
1062         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1063         split_edge, merge_blocks): Update the lists of loop exits.
1064         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1065         loop_optimizer_init.
1066         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1067         of mark_single_exit_loops.
1068         (loop_optimizer_finalize): Call release_recorded_exits.
1069         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1070         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1071         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1072         update single exit information.
1073         * lambda-code.c (perfect_nestify): Ditto.
1074         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1075         (mark_single_exit_loops): Removed.
1076         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1077         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1078         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1079         functions.
1080         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1081         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1082         (verify_loop_structure): Verify consistency of the exit lists.
1083         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1084         (set_single_exit): Removed.
1085         * cfgloop.h (struct loop_exit): New function.
1086         (struct loop): single_exit_ field replaced by exits field.
1087         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1088         (struct loops): Added exits hash.
1089         (mark_single_exit_loops, set_single_exit): Declaration removed.
1090         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1091
1092 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1093
1094         * doc/invoke.texi: Avoid use of @headitem.
1095
1096 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1097
1098         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1099
1100 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1101
1102         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1103         list of targets.
1104
1105 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1106             Richard Sandiford  <richard@codesourcery.com>
1107
1108         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1109         * config/m68k/m68k.opt: Resort options.
1110         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1111
1112 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1113             Richard Sandiford  <richard@codesourcery.com>
1114
1115         * doc/invoke.texi: Document the macros that are defined by
1116         m68k's -mtune and -mhard-float options.
1117         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1118         (m68k_cpp_cpu_family): Likewise.
1119         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1120         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1121         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1122         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1123         (m68k_cpp_cpu_family): Likewise.
1124
1125 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1126
1127         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1128         macros besides mc68000 as tuning macros.  Use a switch statement
1129         to set them and mcpu32.
1130
1131 2007-01-12  Julian Brown  <julian@codesourcery.com>
1132
1133         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1134         (TARGET_68040_ONLY): Rename to...
1135         (TARGET_68040): ...this.
1136         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1137         * config/m68k/m68k.md: Likewise.
1138
1139 2007-01-12  Julian Brown  <julian@codesourcery.com>
1140             Nathan Sidwell  <nathan@codesourcery.com>
1141             Richard Sandiford  <richard@codesourcery.com>
1142
1143         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1144         the -mcpu= argument associated with the --with-cpu setting.
1145         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1146         if different from the one implied by the -mcpu setting.
1147         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1148         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1149         * doc/invoke.texi: Mention ColdFire in the introduction to the
1150         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1151         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1152         -mhard-float.  Document the previously-undocumented -m5206e,
1153         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1154         documentation for consistency.
1155         * doc/install.texi: Mention new --with-cpu arguments.
1156         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1157         default CPU if neither -mcpu nor -march are specified.
1158         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1159         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1160         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1161         using m68k_tune to decide between families that implement the
1162         same ISA.  Use m68k_tune to set __mcfv4e__.
1163         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1164         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1165         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1166         (FL_ISA_C, FL_ISA_MMU): New macros.
1167         (MASK_COLDFIRE): Delete.
1168         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1169         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1170         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1171         (TARGET_HARD_FLOAT): Do not define here.
1172         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1173         (TUNE_68000): New macro.
1174         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1175         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1176         (TUNE_CFV2): Redefine in terms of m68k_tune.
1177         (uarch_type, target_device, fpu_type): New enums.
1178         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1179         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1180         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1181         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1182         (FL_FOR_isa_c): New macros.
1183         (m68k_isa): New enum.
1184         (m68k_target_selection): New structure.
1185         (all_devices, all_isas, all_microarchs): New tables.
1186         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1187         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1188         (MASK_ALL_CPU_BITS): Delete.
1189         (m68k_find_selection): New function.
1190         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1191         Map the legacy target options to a combination of the new ones.
1192         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1193         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1194         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1195         settings.
1196         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1197         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1198         properties.
1199         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1200         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1201         * config/m68k/m68k-devices.def: New file.
1202
1203 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1204             Nathan Sidwell  <nathan@codesourcery.com>
1205
1206         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1207         (SUBTARGET_EXTRA_SPECS): New macros.
1208         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1209         use %(asm_cpu_spec) instead.
1210         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1211         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1212         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1213         (EXTRA_SPECS): Rename to...
1214         (SUBTARGET_EXTRA_SPECS): ...this.
1215
1216 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1217             Richard Sandiford  <richard@codesourcery.com>
1218             Julian Brown  <julian@codesourcery.com>
1219
1220         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1221         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1222         to the configuration's default CPU.
1223         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1224         Remove default masks.
1225         (m680[012]0-*-*): Set the default with_cpu to the first part of
1226         the target name.
1227         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1228         (m68k*-*-linux): Extend the --with-cpu handling to...
1229         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1230         and m68010.  Don't set target_cpu_default2.
1231         * doc/install.texi: Document --with-cpu for m68k.
1232         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1233         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1234         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1235         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1236         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1237         (ASM_SPEC): Remove use of %(asm_cpu_default).
1238         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1239         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1240         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1241         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1242         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1243         (TARGET_DEFAULT): Delete.
1244         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1245         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1246         (CPP_CPU_SPEC): Delete.
1247         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1248         the appropriate string.
1249         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1250         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1251         (ASM_SPEC): Don't use %(asm_default_spec).
1252         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1253         TARGET_DEFAULT and add MASK_68881.
1254         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1255
1256 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1257
1258         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1259         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1260         MASK_68010 alongside MASK_68020.
1261         * doc/invoke.texi: Document -m68010.
1262         * config/m68k/m68k.opt (m68010): New.
1263         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1264         if TUNE_68010.
1265         (TUNE_68010): New macro.
1266         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1267         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1268         (M68K_CPU_m68332): Add MASK_68010.
1269         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1270         fallback definition.
1271         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1272         defines.
1273         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1274         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1275         to all entries that use MASK_68020.
1276         (output_move_simode_const, output_move_himode, output_move_qimode)
1277         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1278         instead of TARGET_68020 to select clr behavior.  Remove comment
1279         about there being no TARGET_68010.
1280         * config/m68k/m68k.md: Likewise throughout.
1281
1282 2007-01-12  Julian Brown  <julian@codesourcery.com>
1283
1284         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1285         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1286         * config/m68k/m68k.md: Likewise.
1287
1288 2007-01-12  Julian Brown  <julian@codesourcery.com>
1289
1290         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1291         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1292
1293 2007-01-12  Julian Brown  <julian@codesourcery.com>
1294
1295         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1296         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1297         * config/m68k/m68k.md: Likewise.
1298
1299 2007-01-12  Julian Brown  <julian@codesourcery.com>
1300             Richard Sandiford  <richard@codesourcery.com>
1301
1302         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1303         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1304         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1305         TARGET_CPU32.
1306         (TARGET_CPU32): Rename to...
1307         (TUNE_CPU32): ...this.
1308         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1309         (TUNE_CFV2): New macros.
1310         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1311         remove conditions that are implied by TARGET_68020.
1312         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1313         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1314         (m68k_output_function_epilogue): Likewise.
1315         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1316         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1317         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1318         non-68000 timings.  Refactor multiplication and division costs.
1319         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1320         TUNE_CPU32 instead of TARGET_CPU32.
1321         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1322         and TUNE_68060 instead of TARGET_68060.
1323         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1324         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1325         TARGET_CPU32.
1326         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1327         && !TARGET_COLDFIRE" to choose between moveq and clr.
1328         Likewise in the unnamed movsf pattern.
1329         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1330         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1331         ashiftrt pattern.
1332
1333 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1334
1335         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1336         of tabbing before backslashes.
1337
1338 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1339
1340         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1341         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1342         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1343
1344 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1345
1346         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1347         find_interesting_uses_cond.
1348         (find_interesting_uses_cond): Use extract_cond_operands.
1349         (rewrite_use_compare): Use extract_cond_operands and
1350         force_gimple_operand_bsi.  Do not call update_stmt.
1351         (determine_use_iv_cost_condition): Use extract_cond_operands.
1352         Return cheaper of using original bound and changing the exit bound.
1353
1354 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1355
1356         PR tree-optimization/29516
1357         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1358         most_expensive_mult_to_index, addr_to_parts,
1359         create_mem_ref, maybe_fold_tmr): Make the type of
1360         fields of TARGET_MEM_REF sizetype.
1361         (move_fixed_address_to_symbol, move_pointer_to_base):
1362         New functions.
1363         * tree.def (TARGET_MEM_REF): Add comment on types of
1364         the operands.
1365
1366 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1367
1368         * c-common.c (vector_types_convertible_p): Treat opaque types as
1369         always convertible if they have the same size, but not otherwise.
1370
1371 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1372
1373         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1374         Remove the b_unconditional field.
1375         (noce_try_sign_mask): Do not look at b_unconditional.
1376         (noce_process_if_block): Do not use merge_if_blocks.  Update
1377         the CFG here.  Do not set b_unconditional.
1378         (cond_move_process_if_block): Likewise.
1379         (find_cond_trap): Likewise.
1380         (check_cond_move_block): Require simple jump insns at the end
1381         of the basic block.
1382
1383 2007-01-11  Jan Hubicka  <jh@suse.cz>
1384
1385         PR tree-optimization/1046
1386         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1387         when alias info is not ready.
1388         (pass_tail_recursion): Do not require aliasing.
1389         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1390         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1391         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1392         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1393         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1394         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1395         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1396         before inlining.
1397         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1398         When aliasing is not build, mark statement as volatile.
1399
1400 2007-01-11  Tom Tromey  <tromey@redhat.com>
1401
1402         PR preprocessor/15185, PR preprocessor/20989:
1403         * doc/cppopts.texi <-MT>: Update description of algorithm for
1404         computing default target.
1405         <-M, -MD>: Reword "basename" text.
1406
1407 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1408
1409         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1410         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
1411         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1412         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
1413         fold_builtin_bswap, real_constp, fold_builtin_pow,
1414         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
1415         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
1416         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1417         * convert.c (convert_to_pointer): Likewise.
1418         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1419         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
1420         const_binop, fold_convert_const_int_from_int,
1421         fold_convert_const_int_from_real,
1422         fold_convert_const_real_from_real, sign_bit_p,
1423         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
1424         fold_sign_changed_comparison, fold_unary, fold_comparison,
1425         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
1426         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1427         * print-tree.c (print_node_brief, print_node): Likewise.
1428         * stor-layout.c (place_field, layout_type): Likewise.
1429         * tree-chrec.c (keep_cast): Likewise.
1430         * tree.c (build_vector, build_real, build_real_from_int_cst,
1431         build_complex): Likewise.
1432
1433 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1434
1435         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
1436         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
1437
1438 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
1439
1440         * configure.ac (strict1_warn): Rename to strict_warn.
1441         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
1442         cc_set_by_configure, quoted_cc_set_by_configure,
1443         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
1444         all_boot_languages, all_stagestuff): Remove.
1445         (target_list): Remove bootstrap targets.
1446         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
1447         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
1448         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
1449         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
1450         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
1451         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
1452         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
1453         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
1454         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
1455         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
1456         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
1457         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
1458         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
1459         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
1460         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
1461         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1462         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1463         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1464         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1465         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1466         (mostlyclean): Adjust.
1467         (clean, distclean): Don't mention bootstrap stuff.
1468         * configure: Regenerate.
1469         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1470         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1471         treelang/config-lang.in (stagestuff): Remove.
1472         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1473         stageprofile, stagefeedback, stagestuff): Remove mention.
1474
1475 2007-01-11  Nick Clifton  <nickc@redhat.com>
1476
1477         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1478         Accept CONSTs.
1479         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1480         (mcore_arith_K_S_operand): Run the test for the S constraint not
1481         the test for the M constraint.
1482         (mcore_addsub_operand): Do not accept integer values that are
1483         larger than 32 bits.
1484         * config/mcore/mcore.md: Remove unused constraints from split.
1485         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1486         (addsi3): Likewise.
1487         (allocate_stack): Likewise.
1488         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1489         operands to 32 bits.
1490         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1491         INTVAL.
1492         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1493         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1494         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1495         mcore_output_bclri, mcore_output_andn, output_inline_const,
1496         mcore_output_move, mcore_output_movedouble): Likewise.
1497         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1498         (output_inline_const): Likewise.
1499         (output_inline_const): Fix format strings used in sprintf
1500         statements.
1501         * config/mcore/mcore-protos.h: Update prototypes for changed
1502         functions in mcore.c.
1503         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1504         HOST_WIDE_INT and not int.
1505         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1506         CONST_OK_FOR_N): Likewise.
1507         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1508         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1509         an INTVAL.
1510
1511 2007-01-10  Jan Hubicka  <jh@suse.cz>
1512
1513         * tree-vrp.c (remove_range_assertions): Release defs.
1514         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
1515         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
1516
1517 2007-01-10  Paul Brook  <paul@codesourcery.com>
1518
1519         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
1520         * config/arm/arm.md (mulsi3subsi): New insn.
1521
1522 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
1523
1524         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
1525         (tree_transform_and_unroll_loop): New.
1526         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
1527         Declare.
1528
1529 2007-01-10  Robert Kennedy <jimbob@google.com>
1530
1531         * fold-const.c (fold_comparison): Fold comparisons like (x *
1532         1000 < 0) to (x < 0).
1533
1534 2007-01-10  Ian Lance Taylor  <iant@google.com>
1535
1536         * tree-pretty-print.c (dump_generic_node): Print parentheses when
1537         operands have the same priority.
1538
1539 2007-01-10  Tom Tromey  <tromey@redhat.com>
1540
1541         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
1542         (fold_binary): Likewise.
1543         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
1544         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
1545         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
1546         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
1547         * langhooks.h (struct lang_hooks): Removed field
1548         'can_use_bit_fields_p'.
1549
1550 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1551
1552         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
1553
1554 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
1555
1556         * function.c (get_last_funcdef_no): New function.
1557         * function.h (get_last_funcdef_no): Declare.
1558         * tree-inline.c (initialize_cfun): Add initialization.
1559         (tree_function_versioning): Cleanup.
1560
1561 2007-01-10  Jan Hubicka  <jh@suse.cz>
1562
1563         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
1564         PHIs.
1565
1566 2007-01-10  Sa Liu  <saliu@de.ibm.com>
1567             Ben Elliston  <bje@au.ibm.com>
1568
1569         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
1570         for SAVE_NONLOCAL and Pmode for any other save level.
1571         * spu-protos.h (spu_restore_stack_block): Declare.
1572         * spu.md (save_stack_block): Remove.
1573         (restore_stack_block): Call spu_restore_stack_block.
1574         * spu.c (spu_restore_stack_block): New function.
1575         (spu_expand_epilogue): Remove old comment.
1576
1577 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
1578
1579         PR tree-optimization/30322
1580         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
1581         (cand_value_at): Return the value as aff_tree.
1582         (may_eliminate_iv): Convert the bound from aff_tree to tree.
1583         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
1584         aff_combination_mult): New functions.
1585         (aff_combination_add): Use aff_combination_add_cst.
1586         (aff_combination_convert): Allow conversions to a wider type.
1587         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
1588         * tree-affine.h (aff_combination_mult): Declare.
1589
1590 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
1591
1592         * doc/tm.texi: Update documentation to reflect reality of exec
1593         and start file search behaviours. Update copyright year.
1594         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
1595         header file directories.
1596
1597 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
1598
1599         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
1600         (*cosxf2): Rename to cosxf2_i387.
1601         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
1602         using X87MODEF12 mode macro. Rename patterns to
1603         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1604         for SSE math.
1605         (*cosdf2, *cossf2): Ditto.
1606         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1607         to match extended input operands.
1608         (sincos<mode>3): New expander.
1609         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1610         insn patterns and corresponding splitters.
1611
1612 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1613
1614         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1615         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1616
1617 2007-01-09  Nicolas Pitre  <nico@cam.org>
1618
1619         PR target/30173
1620         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1621
1622 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1623
1624         * target.h (struct gcc_target): New field library_rtti_comdat.
1625         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1626         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1627         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1628         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1629
1630 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1631
1632         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1633
1634 2007-01-08  Richard Guenther  <rguenther@suse.de>
1635
1636         * tree.h (force_fit_type_double): Export.
1637         (force_fit_type): Remove.
1638         * fold-const.c (force_fit_type_double): New function.
1639         (force_fit_type): Remove.
1640         (int_const_binop): Use it.
1641         (fold_convert_const_int_from_int): Likewise.
1642         (fold_convert_const_int_from_real): Likewise.
1643         (fold_div_compare): Likewise.
1644         (fold_sign_changed_comparison): Likewise.
1645         (fold_unary): Likewise.
1646         (fold_negate_const): Likewise.
1647         (fold_abs_const): Likewise.
1648         (fold_not_const): Likewise.
1649         * c-common.c (shorten_compare): Use force_fit_type_double.
1650         * convert.c (convert_to_pointer): Likewise.
1651
1652 2007-01-08  Richard Guenther  <rguenther@suse.de>
1653
1654         * tree.h (build_int_cst_wide_type): Export.
1655         * tree.c (build_int_cst_wide_type): New function.
1656         (build_int_cst_wide): Fix comment.
1657         * builtins.c (fold_builtin_object_size): Use build_int_cst
1658         to build -1 or 0 of the correct type.  Use fit_double_type
1659         to check for overflow.
1660         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1661         to build the mask.
1662         (decode_field_reference): Likewise.
1663         (all_ones_mask_p): Likewise.
1664         (native_interpret_int): Use build_int_cst_wide_type.
1665         (fold_binary): Use build_int_cst_type to build an all-ones
1666         value.
1667         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1668
1669 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1670
1671         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1672
1673 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1674
1675         * genautomata.c (STATS_OPTION): New option.
1676         (stats_flag): New flag.
1677         (gen_automata_option): Handle it.
1678         (initiate_automaton_gen): Ditto.
1679         (write_automata): Output statistics only if stats_flag is
1680         set. Likewise, output time statistics only if time_flag is set.
1681         * doc/md.texi (Processor pipeline description): Document new flag.
1682
1683 2007-01-08  Richard Guenther  <rguenther@suse.de>
1684
1685         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1686         * tree.c (build_int_cst_type): Likewise.
1687         (size_in_bytes): Don't call force_fit_type on the result.
1688         (int_fits_type_p): Use fit_double_type.
1689         * fold-const.c (fit_double_type): New function.
1690         (force_fit_type): Use it.
1691         * tree.h (fit_double_type): Export.
1692
1693 2007-01-08  Jan Hubicka  <jh@suse.cz>
1694
1695         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1696         * ipa.c (function_and_variable_visibility): Fix return type.
1697
1698 2007-01-08  Richard Guenther  <rguenther@suse.de>
1699
1700         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1701         of offset to build the index.
1702         * tree-pretty-print.c (dump_generic_node): Don't build negated
1703         const just for printing.
1704         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1705         * builtins.c (fold_builtin_int_roundingfn): Check if result
1706         fits the type by using force_fit_type and comparing the result.
1707         * predict.c (predict_loops): Use compare_tree_int for comparison.
1708         * tree.c (build_int_cst): Fall back to integer_type_node for
1709         NULL_TREE type.
1710         (build_int_cst_wide): Assert type is non-null.
1711
1712 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1713
1714         * tree-vrp.c (extract_range_from_cond_expr): New.
1715         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1716         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1717         as expressions.
1718         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1719         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1720         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1721         used as expressions.
1722         * tree-object-size.c (cond_expr_object_size): New.
1723         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1724
1725 2007-01-08  Jan Hubicka  <jh@suse.cz>
1726
1727         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1728         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1729         statement.
1730
1731 2007-01-08  Richard Guenther  <rguenther@suse.de>
1732
1733         PR tree-optimization/23603
1734         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1735         (extract_range_from_binary): Fall back to truthvalue instead of
1736         varying for TRUTH_*_EXPR.
1737         (extract_range_from_comparison): Fall back to truthvalue instead of
1738         varying.
1739         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1740         if all visited PHI values were constant.
1741
1742 2007-01-08  Jan Hubicka  <jh@suse.cz>
1743
1744         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1745         (cgraph_analyze_function): break out from ...
1746         (cgraph_finalize_compilation_unit): ... here.
1747         (cgraph_expand_function): Remove forgoten commented out line.
1748         (cgraph_optimize): Analyze functions.
1749
1750 2007-01-08  Jan Hubicka  <jh@suse.cz>
1751
1752         * tree-pas.h (TODO_remove_function): New flag.
1753         (TODO_update*): Renumber.
1754         (pass_ipa_increase_alignment,
1755         pass_ipa_function_and_variable_visibility): New passes.
1756         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1757         (cgraph_function_and_variable_visibility): Move to ipa.c
1758         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1759         cgraph_increase_alignment.
1760         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1761         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1762         calling tree-inline.
1763         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1764         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1765         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1766         (gate_increase_alignment): New function.
1767         (pass_ipa_increase_alignment): New pass.
1768         * ipa.c: Inline tree-pass.h and timevar.h
1769         (function_and_variable_visibility): Move here from cgraphunit.c
1770         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1771         * passes.c (init_optimization_passes): Add the two new passes.
1772         (execute_todo): Handle cgraph_remove_functions.
1773
1774 2007-01-08  Nick Clifton  <nickc@redhat.com>
1775
1776         * config/frv/predicates.md (reg_or_0_operand): Accept
1777         CONST_DOUBLEs.
1778
1779 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1780
1781         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1782         * config.gcc: Add bfin*-rtems*.
1783
1784 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1785
1786         * c.opt: Add -flax-vector-conversions.
1787         * c-typeck.c (convert_for_assignment): Pass flag to
1788         vector_types_convertible_p to allow emission of note.
1789         (digest_init): Likewise.
1790         * c-opts.c: Handle -flax-vector-conversions.
1791         * c-common.c (flag_lax_vector_conversions): New.
1792         (vector_types_convertible_p): Unless -flax-vector conversions
1793         has been passed, disallow conversions between vectors with
1794         differing numbers of subparts and/or element types.  If such
1795         a conversion is disallowed, possibly emit a note on the first
1796         occasion only to inform the user of -flax-vector-conversions.
1797         The new last argument specifies this.
1798         * c-common.h (flag_lax_vector_conversions): New.
1799         (vector_types_convertible_p): Add extra argument.
1800         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1801         char_type_node for V*QI type vectors.
1802         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1803         Update to satisfy new typechecking rules.
1804         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1805         C and C++ variants.
1806         * doc/invoke.texi (C Dialect Options): Document
1807         -flax-vector-conversions.
1808
1809 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1810
1811         PR tree-optimization/29877
1812         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1813         a register variable on the RHS to not be replaceable.
1814
1815 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1816         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1817         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1818         const_simm15, const_pow2, const_npow2): Added.
1819         * config/score/misc.md (insv, extv, extzv, movmemsi,
1820         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1821         * config/score/score.c (score_address_cost, score_select_cc_mode):
1822         Added.
1823         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1824         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1825         Update score_print_operand.
1826         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1827         Adjust register allocate order and update some macro define.
1828         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1829         mdx_block_move_straight, mdx_block_move_loop_head,
1830         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1831         mdx_block_move): Added.
1832         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1833         mdp_limm): Updated and fix some bug and typo.
1834         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1835         (movsf, movdf, doloop_end): Added.
1836
1837 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1838
1839         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1840         config/arm/thumb2.md: Fix comment typos.
1841         * doc/extend.texi: Fix a typo.
1842
1843 2007-01-07  Eric Christopher  <echristo@apple.com>
1844
1845         * configure.ac: Check for __stack_chk_fail for darwin.
1846         * configure: Regenerate.
1847
1848 2007-01-07  Richard Guenther  <rguenther@suse.de>
1849
1850         * tree-vrp.c (extract_range_from_assert): CSE calls to
1851         compare_values where possible.
1852         (extract_range_from_unary_expr): Likewise.
1853
1854 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1855
1856         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1857         * config/avr/avr.c (call_insn_operand): Delete function.
1858         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1859         instead of register number. Use predicates.
1860         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1861         call_insn_operand): Add.
1862
1863 2007-01-06  Jan Hubicka  <jh@suse.cz>
1864
1865         * tree-pass.h (pass_build_cgraph_edges): Declare.
1866         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1867         (visited_nodes): Remove.
1868         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1869         build_cgrpah_edges; make visited_nodes local.
1870         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1871         (record_references_in_initializer): Move to cgraphbuild.c
1872         (initialize_inline_failed, rebuild_cgraph_edges,
1873         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1874         (verify_cgraph_node): Make visited_nodes local.
1875         (cgraph_analyze_function): Do not call cgraph_create_edges and
1876         initialize_inline_failed.
1877         (cgraph_expand_function): Do not call cgraph_lower_function;
1878         assert that function is already lowered.
1879         * Makefile.in (cgraphbuild.o): New.
1880         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1881         at the end of lowering passes.
1882
1883 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1884
1885         * ifcvt.c (cond_move_convert_if_block): New function, code
1886         factored out from...
1887         (cond_move_process_if_block): ...here.  Call the new function
1888         on the THEN and ELSE blocks.
1889         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1890         already takes care of this.
1891
1892 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1893
1894         PR c/19978
1895         * tree.h (TREE_OVERFLOW_P): New.
1896         * c-typeck.c (parser_build_unary_op): Warn only if result
1897         overflowed and operands did not.
1898         (parser_build_binary_op): Likewise.
1899         (convert_for_assignment): Remove redundant overflow_warning.
1900         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
1901
1902 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1903
1904         * c-typeck.c (store_init_value): Split over two lines to follow
1905         the GNU coding style.
1906
1907 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
1908
1909         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
1910         __GXX_EXPERIMENTAL_CXX0X__.
1911         * doc/cpp.texi: Same.
1912
1913 2007-01-05  Richard Guenther  <rguenther@suse.de>
1914
1915         PR middle-end/27826
1916         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1917         with mismatched types.  Instead explicitly build a
1918         conversion NOP_EXPR.
1919
1920 2007-01-05  Ian Lance Taylor  <iant@google.com>
1921
1922         * c-common.c (decl_with_nonnull_addr_p): New function.
1923         (c_common_truthvalue_conversion): Call it.
1924         * c-typeck.c (build_binary_op): Likewise.
1925         * c-common.h (decl_with_nonnull_addr_p): Declare.
1926
1927 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1928
1929         PR c/30360
1930         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1931         denom against 0.0.
1932
1933 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1934
1935         * doc/install.texi (Final install): Document the fact that
1936         the GNAT runtime should not be stripped.
1937
1938 2007-01-04  Jan Hubicka  <jh@suse.cz>
1939
1940         * tree-inline.c (fold_marked_statements): Update operand caches
1941         and EH after folding
1942
1943 2007-01-04  Ian Lance Taylor  <iant@google.com>
1944
1945         * c-common.c (check_function_nonnull): Whitespace fix.
1946
1947 2007-01-04  Jan Hubicka  <jh@suse.cz>
1948
1949         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1950         comitted older version of patch.
1951         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1952         function, celanup cfg and collect garbage.
1953
1954 2007-01-04  Mike Stump  <mrs@apple.com>
1955
1956         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1957         (clean): Likewise.
1958
1959 2007-01-04  Eric Christopher  <echristo@apple.com>
1960
1961         * libgcc2.c (__bswapsi2): Use SItype.
1962         (__bswapdi2): Use DItype.
1963         * libgcc2.h: Update for above.
1964
1965 2007-01-04  Paul Brook  <paul@codesourcery.com>
1966
1967         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1968         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1969         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1970         umulsidi3, umulsidi3adddi, smulsi3_highpart,
1971         umulsi3_highpart): Make conditional on !arm_arch6.
1972         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1973         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1974         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1975         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1976         umulsi3_highpart_v6): New insns.
1977
1978 2007-01-04  Roger Sayle  <roger@eyesopen.com>
1979
1980         * fold-const.c (fold_convert): When casting an expression to void,
1981         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
1982         have a type.  Instead of attempting to build a NOP_EXPR, return
1983         these "special" trees directly.
1984
1985 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
1986
1987         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1988         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
1989         rs6000_cost->fp not 0 as adjustment for outer NEG.
1990
1991 2007-01-04  Jan Hubicka  <jh@suse.cz>
1992
1993         * cgraph.c (cgraph_release_function_body): New function.
1994         (cgraph_remove_node): Use it.
1995         * cgraph.h (cgraph_release_function_body): Declare.
1996         * cgraphunit.c (cgraph_expand_function): Use it.
1997         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
1998         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
1999         is initialized and while compilation of other function is running.
2000         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2001         statement CFG annotations from here to ...
2002         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2003
2004 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2005
2006         * cfgloop.h (enum li_flags): Make the constants powers of two.
2007
2008 2007-01-04  Jan Hubicka  <jh@suse.cz>
2009
2010         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2011         set.
2012         (fold_marked_statements): New function.
2013         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2014         * tree-inline.h (copy_body_data): Add statements_to_fold.
2015
2016 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2017
2018         * config.gcc: Mention libgcc/config.host.
2019         * Makefile.in: Update comments mentioning libgcc.
2020         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2021         (all.cross, start.encap, rest.encap, rest.cross): Update
2022         dependencies for libgcc move.
2023         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2024         (clean-target, clean-target-libgcc): Delete.
2025         (srcdirify, GCC_EXTRA_PARTS): New macros.
2026         (libgcc-support, libgcc.mvars): New rules.
2027         (distclean): Remove mention of mklibgcc.
2028         (install): Don't reference INSTALL_LIBGCC.
2029         (install-common): Don't reference EXTRA_PARTS.
2030         (install-libgcc, install-multilib): Delete rules.
2031         * mklibgcc.in: Delete file.
2032         * doc/configfiles.texi: Don't mention mklibgcc.
2033
2034         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2035         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2036         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2037         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2038         (mklibgcc, ldblspecs): Likewise.
2039
2040         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2041         (posixpre.def): Use $(T).
2042         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2043         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2044         (SHLIB_LINK): Make dummy.
2045         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2046
2047         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2048
2049         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2050         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2051         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2052         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2053
2054         * configure.ac (all_outputs): Remove mklibgcc.
2055         * configure: Regenerated.
2056
2057 2007-01-03  Josh Conner  <jconner@apple.com>
2058
2059         PR middle-end/29683
2060         * calls.c (compute_argument_addresses): Set stack and stack_slot
2061         for partial args, too.
2062         (store_one_arg): Use locate.size.constant for the size when
2063         generating a save_area.
2064
2065 2007-01-03  Robert Kennedy <jimbob@google.com>
2066
2067         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2068         whose definitions are deleted due to basic block merging.
2069
2070 2007-01-03  Paul Brook  <paul@codesourcery.com>
2071
2072         PR target/16634
2073         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2074         functions.
2075         (use_return_insn): Return 0 for Thumb interrupt functions.
2076         (print_multi_reg): Add rfe argument for IRQ returns.
2077         (arm_output_epilogue): Pop interrupt return address directly into PC.
2078         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2079
2080 2007-01-03  Paul Brook  <paul@codesourcery.com>
2081
2082         Merge from sourcerygxx-4_1.
2083         * config/arm/thumb2.md: New file.
2084         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2085         Thumb-2.
2086         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2087         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2088         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2089         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2090         tables.
2091         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2092         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2093         comptibility.
2094         * config/arm/ieee754-sf.S: Ditto.
2095         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2096         (thumb1_base_register_rtx_p): ... to this.
2097         (thumb_index_register_rtx_p): Rename...
2098         (thumb1_index_register_rtx_p): ... to this.
2099         (thumb_output_function_prologue): Rename...
2100         (thumb1_output_function_prologue): ... to this.
2101         (thumb_legitimate_address_p): Rename...
2102         (thumb1_legitimate_address_p): ... to this.
2103         (thumb_rtx_costs): Rename...
2104         (thumb1_rtx_costs): ... to this.
2105         (thumb_compute_save_reg_mask): Rename...
2106         (thumb1_compute_save_reg_mask): ... to this.
2107         (thumb_final_prescan_insn): Rename...
2108         (thumb1_final_prescan_insn): ... to this.
2109         (thumb_expand_epilogue): Rename...
2110         (thumb1_expand_epilogue): ... to this.
2111         (arm_unwind_emit_stm): Rename...
2112         (arm_unwind_emit_sequence): ... to this.
2113         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2114         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2115         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2116         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2117         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2118         thumb2_output_casesi): New functions.
2119         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2120         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2121         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2122         THUMB2_WORK_REGS): Define.
2123         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2124         arm_condexec_mask, arm_condexec_masklen)): New variables.
2125         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2126         (arm_override_options): Check new CPU capabilities.
2127         Set new architecture flag variables.
2128         (arm_isr_value): Handle v7m interrupt functions.
2129         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2130         Thumb-2.
2131         (const_ok_for_arm): Handle Thumb-2 constants.
2132         (arm_gen_constant): Ditto.  Use movw when available.
2133         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2134         functions.
2135         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2136         (thumb_find_work_register, arm_load_pic_register,
2137         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2138         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2139         print_multi_reg, output_mov_long_double_fpa_from_arm,
2140         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2141         output_mov_double_fpa_from_arm, output_move_double,
2142         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2143         output_return_instruction, arm_output_function_prologue,
2144         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2145         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2146         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2147         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2148         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2149         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2150         '!' and 'L'.
2151         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2152         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2153         (arm_file_start): Output directive for unified syntax.
2154         (arm_unwind_emit_set): Handle stack alignment instruction.
2155         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2156         Add v6t2, v7, v7a, v7r and v7m.
2157         (RETLDM): Add Thumb-2 code.
2158         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2159         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2160         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2161         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2162         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2163         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2164         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2165         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2166         ADJUST_INSN_LENGTH): Define.
2167         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2168         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2169         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2170         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2171         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2172         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2173         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2174         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2175         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2176         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2177         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2178         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2179         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2180         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2181         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2182         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2183         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2184         cortex-m3.
2185         * config/arm/arm-tune.md: Regenerate.
2186         * config/arm/arm-protos.h: Update prototypes.
2187         * config/arm/vfp.md: Enable patterns for Thumb-2.
2188         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2189         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2190         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2191         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2192         * config/arm/libunwind.S: Add Thumb-2 code.
2193         * config/arm/constraints.md: Update include Thumb-2.
2194         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2195         * config/arm/ieee754-df.S: Ditto.
2196         * config/arm/bpabi.S: Ditto.
2197         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2198         * config/arm/predicates.md (low_register_operand,
2199         low_reg_or_int_operand, thumb_16bit_operator): New.
2200         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2201         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2202         * config/arm/t-arm-elf: Add armv7 multilib.
2203         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2204         Include thumb2.md.
2205         (UNSPEC_STACK_ALIGN, ce_count): New.
2206         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2207         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2208         insns/expanders.
2209         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2210         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2211         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2212         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2213         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2214         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2215         insns.
2216         * doc/extend.texi: Document ARMv7-M interrupt functions.
2217         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2218
2219 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2220
2221         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2222         (struct _Unwind_Context): Rename args_size to flags, remove
2223         signal_frame field, add a new args_size field and version field.
2224         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2225         _Unwind_IsExtendedContext): New inline functions.
2226         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2227         Assume by_value array is only present if _Unwind_IsExtendedContext.
2228         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2229         _Unwind_IsSignalFrame.
2230         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2231         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2232         (uw_init_context_1): Initialize context->flags to
2233         EXTENDED_CONTEXT_BIT.
2234         * config/rs6000/linux-unwind.h (frob_update_context): Use
2235         _Unwind_SetSignalFrame.
2236
2237 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2238
2239         PR middle-end/30353
2240         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2241         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2242         the value.
2243
2244 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2245
2246         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2247         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2248         RET, AT_SP): Remove.
2249         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2250         instead of RET.
2251
2252         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2253         * cfgbuild.c (find_basic_blocks): Likewise.
2254         * cfgrtl.c (rtl_create_basic_block): Likewise.
2255         * function.c (temp_slots_at_level): Likewise.
2256         * reg-stack.c (stack_regs_mentioned): Likewise.
2257         * regclass.c (allocate_reg_info): Likewise.
2258         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2259         set_bb_for_stmt, move_block_to_fn): Likewise.
2260         * tree-complex.c (tree_lower_complex): Likewise.
2261         * vec.h (VEC_safe_grow_cleared): New.
2262
2263         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2264
2265 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2266
2267         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2268         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2269         to loop_version.
2270         * cfgloopmanip.c (scale_loop_frequencies): Export.
2271         (loopify): Scale the frequencies by prescribed coefficients.
2272         (set_zero_probability): New function.
2273         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2274         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2275         and frequencies according to arguments.
2276         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2277         correctly.
2278         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2279         * modulo-sched.c (sms_schedule): Set probabilities for entering
2280         versioned loop correctly.
2281         * tree-vect-transform.c (vect_transform_loop): Ditto.
2282         * cfgloop.h (loopify, loop_version): Declaration changed.
2283         (scale_loop_frequencies): Declared.
2284
2285 2007-01-02  Jan Hubicka  <jh@suse.cz>
2286
2287         * cgraph.c: Include tree-flow.h
2288         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2289         early_local_passes.
2290         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2291         * tree-pass.h (pass_all_early_optimizations): Declare.
2292         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2293         early_local_passes.
2294         (cgraph_analyze_function): Do early_local_passes.
2295         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2296         Do not add referenced vars.
2297         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2298         SSA form.
2299         (gate_all_early_local_passes): New gate.
2300         (pass_early_local_passes): Use new gate.
2301         (execute_early_local_optimizations): New functions.
2302         (gate_all_early_optimizations): New gate.
2303         (pass_all_early_optimizations): New pass.
2304         (execute_free_datastructures): Free SSA only when initialized.
2305         (gate_init_datastructures): Init only when optimizing.
2306         (tree_lowering_passes): Do early local passes when called late.
2307         * tree-profile.c (do_tree_profiling): Don't profile functions added
2308         late.
2309         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2310         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2311         not active.
2312         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2313         during early_local_passes.
2314         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2315
2316
2317 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2318
2319         * Makefile.in: Update copyright year.
2320
2321 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2322
2323         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2324         in $(lang_checks) and check-consistency targets.
2325
2326 2007-01-02  Jan Hubicka  <jh@suse.cz>
2327
2328         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2329         Do not add referenced vars.
2330         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2331         are not active.
2332         * passes.c (init_optimization_passes): Put mudflap_2 after
2333         free_datastructures.
2334
2335 2007-01-02  Jan Hubicka  <jh@suse.cz>
2336
2337         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2338         Set NOTHROW flag on call statements proved to be nothrow.
2339         Update statement of local calls so new pure/const functions are
2340         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2341         goto receivers.
2342         (tree_rest_of_compilation): Register hooks and initialize bitmap
2343         early. Do not set after_inlining flag.
2344
2345 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2346
2347         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2348         HOST_BITS_PER_LONGLONG
2349
2350 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2351
2352         PR c/19977
2353         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2354         warning for non-static initializers.
2355
2356 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2357
2358         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2359         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2360         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2361         Always use set_unique_reg_note to add REG_EQUAL notes.
2362
2363 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2364
2365         Revert:
2366         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2367
2368         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2369         * cfgbuild.c (find_basic_blocks): Likewise.
2370         * cfgrtl.c (rtl_create_basic_block): Likewise.
2371         * function.c (temp_slots_at_level): Likewise.
2372         * reg-stack.c (stack_regs_mentioned): Likewise.
2373         * regclass.c (allocate_reg_info): Likewise.
2374         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2375         set_bb_for_stmt, move_block_to_fn): Likewise.
2376         * tree-complex.c (tree_lower_complex): Likewise.
2377         * vec.h (VEC_safe_grow_cleared): New.
2378
2379 2007-01-02  Ian Lance Taylor  <iant@google.com>
2380
2381         * c-common.c (c_common_truthvalue_conversion): When warning about
2382         using an assignment as a truth value, set TREE_NO_WARNING.
2383
2384 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2385
2386         PR middle-end/7651
2387         * c.opt (Wold-style-declaration): New.
2388         * doc/invoke.texi (C-only Warning Options): New.
2389         (Wold-style-declaration): Document it.
2390         (Wextra): Enabled by -Wextra.
2391         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2392         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2393         -Wold-style-declaration.
2394
2395 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2396
2397         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2398         * cfgbuild.c (find_basic_blocks): Likewise.
2399         * cfgrtl.c (rtl_create_basic_block): Likewise.
2400         * function.c (temp_slots_at_level): Likewise.
2401         * reg-stack.c (stack_regs_mentioned): Likewise.
2402         * regclass.c (allocate_reg_info): Likewise.
2403         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2404         set_bb_for_stmt, move_block_to_fn): Likewise.
2405         * tree-complex.c (tree_lower_complex): Likewise.
2406         * vec.h (VEC_safe_grow_cleared): New.
2407
2408 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2409
2410         * c-common.c(c_common_nodes_and_builtins): Since variants of
2411         void_type_node get built before it is given a name, we need to
2412         give those variants the name, too.
2413         (complete_array_type): We need to work with the canonical main
2414         type of the array, from which we will build the qualified version.
2415         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
2416         * print-tree.c (print_node): Display canonical type information
2417         for each type.
2418         * stor-layout.c (layout_type): When we don't know the
2419         alignment of a type for which we're building an array, we end up
2420         guessing wrong, so make the type require structural equality.
2421         * tree.c (make_node_stat): When we build a new type, it is its
2422         own canonical type.
2423         (build_type_attribute_qual_variant): When building an attribute
2424         variant, its canonical type is the non-attribute variant. However,
2425         if the attributes are target-dependent and they differ, we need to
2426         use structural equality checks for this type.
2427         (build_qualified_type): A qualified type is not equivalent to its
2428         unqualified variant; set the canonical type appropriately.
2429         (build_distinct_type_copy): When building a distinct type from
2430         another type, the new type is its own canonical type.
2431         (build_variant_type_copy): When building a new type variant, we
2432         assume that it is equivalent to the original type.
2433         (build_pointer_type_for_mode): When building a pointer type, also
2434         build a canonical type pointer.
2435         (build_reference_type_for_mode): When building a reference type,
2436         also build a canonical type reference.
2437         (build_index_type): When we can't hash an index type (e.g.,
2438         because its maximum value is negative), the index type requires
2439         structural equality tests.
2440         (build_array_type): Build the canonical form of an array type.
2441         (build_function_type): Function types require structural equality,
2442         because they contain default arguments, attributes, etc.
2443         (build_method_type_directly): Ditto for method types.
2444         (build_offset_type): Build the canonical offset type.
2445         (build_complex_type): Build the canonical vector type.
2446         (make_vector_type): Build the canonical vector type.
2447         * tree.h (TYPE_CANONICAL): New.
2448         (TYPE_STRUCTURAL_EQUALITY_P): New.
2449         (SET_TYPE_STRUCTURAL_EQUALITY): New.
2450         (struct tree_type): Added "canonical" field.
2451         * params.h (VERIFY_CANONICAL_TYPES): New.
2452         * doc/c-tree.texi (TYPE_CANONICAL): Document.
2453         (TYPE_STRUCTURAL_EQUALITY_P): Document.
2454         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
2455         * doc/invoke.texi (verify-canonical-types): Document --param
2456         parameter for verifying canonical types.
2457
2458 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2459
2460         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
2461         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2462         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2463         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2464         tm_file.
2465         * config/rs6000/e500.h: New.
2466         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2467         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2468         Remove.
2469         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2470         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2471         TARGET_E500_DOUBLE): Remove.
2472         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2473         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2474         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2475         * config/rs6000/rs6000.c (rs6000_override_options): Use
2476         CHECK_E500_OPTIONS.
2477
2478 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2479
2480         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2481         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2482         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2483         rs6000_emit_cmove): Don't check TARGET_E500.
2484         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2485         sordered): Don't check TARGET_E500.
2486
2487 2007-01-01  Eric Christopher  <echristo@apple.com>
2488
2489         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2490         HARD_REGISTER_NUM_P.
2491
2492 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2493
2494         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2495         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2496         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2497         eq/ne Y".
2498
2499 2007-01-01  Mike Stump  <mrs@apple.com>
2500
2501         * configure.ac: Remove support for building with Apple's gcc-3.1.
2502
2503 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2504
2505         PR middle-end/30311
2506         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2507         REG is a hard register.  Do not modify REG before calling
2508         subreg_nregs.
2509         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2510         multiple of the size of YMODE for certain lowpart cases.
2511
2512 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2513
2514         PR middle-end/30253
2515         * gimplify (voidify_wrapper_expr): Update for
2516         GIMPLE_MODIFY_STMT.
2517
2518 2007-01-01  Andreas Schwab  <schwab@suse.de>
2519
2520         PR target/29166
2521         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2522         save of BR0 in extra_spill_size instead of spill_size.
2523         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2524         area.
2525         (ia64_expand_epilogue): Restore BR0 from its new location.
2526
2527 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2528
2529         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
2530         Use a temporary variable if the left hand side is not a gimple
2531         register.
2532
2533 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2534
2535         * gimplify.c (gimplify_return_expr): Make the temporary variable
2536         for the return expression, a gimple register variable.
2537
2538 2007-01-01  Jan Hubicka  <jh@suse.cz>
2539
2540         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
2541         INSN_LIST.
2542
2543 2007-01-01  Mike Stump  <mrs@apple.com>
2544
2545         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
2546         .literal16.
2547         * config/darwin.c (machopic_select_rtx_section): Use
2548         HAVE_GAS_LITERAL16.
2549         (darwin_mergeable_constant_section): Likewise.
2550         * configure: Regenerate.
2551         * config.in: Regenerate.
2552
2553 2007-01-01  Jan Hubicka  <jh@suse.cz>
2554             Andrew Pinski  <pinskia@gmail.com>
2555
2556         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
2557         before starting IPA passes.