tree-flow.h (struct stmt_ann_d): Move references_memory to proper place within annota...
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2007-01-20  Jan Hubicka  <jh@suse.cz>
2
3         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4         place within annotation.
5
6 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7
8         * pa.c (output_move_double): Change array size of xoperands to 4.
9
10 2007-01-20  Jan Hubicka  <jh@suse.cz>
11
12         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
13         as temporary.
14
15 2007-01-19  Ian Lance Taylor  <iant@google.com>
16
17         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
18         constant to unsigned HOST_WIDE_INT before negating.
19
20 2007-01-19  Ian Lance Taylor  <iant@google.com>
21
22         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
23         to unsigned.
24         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
25         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
27         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
28         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
29         (realloc_vdef, realloc_vuse): Change second parameter to
30         unsigned.
31         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
32         fields to unsigned.
33         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
34         unsigned. Change x and lim locals to unsigned.
35         (realloc_vdef, realloc_vuse): Change num_elem parameter to
36         unsigned.
37         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
38         (copy_virtual_operands): Change i and n locals to unsigned.
39
40 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
41
42         PR middle-end/29335
43         * builtins.c (fold_builtin_1): Handle builtin fdim.
44
45 2007-01-20  Jan Hubicka  <jh@suse.cz>
46
47         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
48         * tree-ssa-structalias.c (compute_points_to_sets): Do call
49         init_alias_heapvars.
50         (init_alias_heapvars): Initialize only when not already initialized.
51         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
52
53 2007-01-19  Roger Sayle  <roger@eyesopen.com>
54
55         * common.opt (fsigned-zeros): New command line option.
56         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
57         of flag_unsafe_math_optimizations.
58         * opts.c (set_fast_math_flags): The -ffast-math command line option
59         implies -fno-signed-zeros.
60         (fast_math_flags_set_p): Likewise.
61
62         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
63         the documentation of -ffast-math appropriately.  Wrap long lines.
64
65 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
66
67         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
68         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
69
70 2007-01-19  Tomas Bily  <tbily@suse.cz>
71
72         * cgraphunit.c (cgraph_finalize_function): Updating of pid
73         * tree-profile.c:
74         (tree_init_ic_make_global_vars): New function
75         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
76         (tree_gen_ic_profiler): New function
77         (tree_gen_ic_func_profiler): New function
78         (tree_profiling): Added calling of tree_gen_ic_func_profiler
79         (tree_profile_hooks): Added hook for indirec/virtual calls
80         * value-prof.c (tree_find_values_to_profile): New case for
81         indirect calls
82         (tree_values_to_profile): Call for determining indirect/virtual
83         counters
84         (tree_indirect_call_to_profile): New function
85         (tree_ic_transform): New function
86         (tree_ic): New function
87         (find_func_by_pid): New function
88         (init_pid_map): New function
89         (tree_value_profile_transformations): Added check for
90         indirect/virtual call transformation
91         * value-prof.h (enum hist_type): New counter type for
92         indirect/virtual calls
93         (profile_hooks): Added new hook for profiling indirect/virtual
94         calls
95         * profile.c (instrument_values): New case for indirect/virtual
96         call added
97         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
98         (GCOV_COUNTER_V_INDIR): New counter type
99         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
100         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
101         call added
102         * cgraph.c: Definition of cgraph_max_pid
103         (cgraph_create_node): Default init of pid attribute
104         * cgraph.h: Declaration of cgraph_max_pid
105         (struct cgraph_node): Added pid attribute
106         * libgcov.c (__gcov_indirect_call_profiler): New function
107         (__gcov_one_value_profiler_body): New function
108         (__gcov_one_value_profiler): Body was moved to
109         __gcov_one_value_profiler_body and calls it
110
111 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
112         
113         * doc/gty.texi (Options): Document the mark_hook option to GTY.
114         * gengtype.c (write_types_data, write_func_for_structure,
115         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
116         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
117         (walk_type, write_func_for_structure): Generate the mark_hook if
118         needed.
119
120 2007-01-19  Jan Hubicka  <jh@suse.cz>
121
122         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of 'early' argument
123         take inlining mode argument specifying whether to inline for size/speeed or all
124         functions; add support for flattening; improve dumpting.
125         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
126
127 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
128
129         PR c++/17947
130         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
131         the name of the declared identifier.
132                 
133 2007-01-19  Dirk Mueller  <dmueller@suse.de>
134
135         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
136         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
137         duplicate evaluation.
138
139 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
140
141         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
142         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
143         to XFMode, use acosxf2 and truncate result to requested mode.
144         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
145         (asin<mode>2): Similarly, with asin expanders.
146         (*fscalexf4_i387): Rename from *fscalexf4.
147         (expNcorexf3): New expander.
148         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
149         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
150         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
151         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
152         patterns for SSE math.
153         (exp10<mode>2): Similarly, with exp10 expanders.
154         (exp2<mode>2): Similarly, with exp2 expanders.
155         (expm1<mode>2): Similarly, with expm1 expanders.
156         (ldexp<mode>3): Similarly, with ldexp expanders.
157         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
158         Use gen_truncxf<mode>2_i387_noop to truncate result.
159
160 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
161
162         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
163         for ColdFire targets.
164
165 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
166             Richard Sandiford  <richard@codesourcery.com>
167
168         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
169         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
170         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
171         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
172         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
173         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
174
175 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
176
177         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
178         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
179         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
180         (*adddi_dilshr32_cf): New pattern.
181         (adddi3, subdi3): Remove first alternatives.
182
183 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
184
185         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
186         implemented using move.l, do not use its cc result for floating-point
187         comparisons.
188
189 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
190
191         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
192         from accepting 's' constraints if flag_pic.
193
194 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
195
196         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
197         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
198         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
199         condition from TARGET_68881 to TARGET_HARD_FLOAT.
200
201 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
202
203         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
204         ColdFire alternatives.
205         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
206         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
207         architectures that support ff1 instruction.
208
209 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
210             Julian Brown  <julian@codesourcery.com>
211
212         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
213         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
214         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
215         Add commentary.
216
217 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
218
219         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
220         and return a bool.
221         (output_move_const_into_data_reg, output_move_simode_const): Delete.
222         * config/m68k/m68k.c (const_method, const_int_cost): Take a
223         HOST_WIDE_INT instead of an rtx.
224         (m68k_rtx_costs): Update call accordingly.
225         (output_move_const_into_data_reg): Likewise.  Fix formatting.
226         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
227         Return a bool.
228         (output_move_simode_const): Update calls after above changes.
229         Rework to use automatic variables and predicates like MEM_P.
230         * config/m68k/m68k.md (pushexthisi_const): Update call to
231         valid_mov3q_const.
232
233 2007-01-19  Dirk Mueller  <dmueller@suse.de>
234
235         * tree-ssa-alias.c (perform_var_substitution): Fix typo
236         in dump_flags test.
237
238 2007-01-19  Richard Guenther  <rguenther@suse.de>
239
240         * builtins.c (expand_builtin_cexpi): Fall back to expanding
241         via cexp in case sincos is not available.
242
243 2007-01-19  Richard Guenther  <rguenther@suse.de>
244
245         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
246         * defaults.h (TARGET_HAS_SINCOS): Default to off.
247         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
248         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
249         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
250         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
251         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
252         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
253
254 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
255
256         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
257         New insn patterns.
258         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
259         (atan2xf3): Directly generate RTL pattern.
260         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
261         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
262         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
263         disable patterns for SSE math.
264         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
265         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
266         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
267         disable patterns for SSE math.
268
269 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
270
271         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
272
273 2007-01-18  Roger Sayle  <roger@eyesopen.com>
274
275         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
276         VIEW_CONVERT_EXPR to the same type as it's operand.
277
278 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
279
280         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
281         configured for long double 128.
282
283 2007-01-18  Mike Stump  <mrs@apple.com>
284
285         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
286         error.
287
288 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
289
290         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
291         type correct.
292
293 2007-01-18  Jan Hubicka  <jh@suse.cz>
294
295         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
296         greater than NUM_VOP_FREE_BUCKETS.
297
298 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
299
300         * tree-ssa-structalias.c: Update comments.
301         (ptabitmap_obstack): Removed.
302         (pta_obstack): New.
303         (oldpta_obstack): Ditto.
304         (stats): Add a few members.
305         (struct variable_info): Remove node, complex, address_taken, and
306         indirect_target members. Add oldsolution member.
307         (new_var_info): Do not initialize removed members.
308         (constraint_expr_type): Remove INCLUDES.
309         (constraint_graph): Add size, implicit_preds, rep,
310         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
311         (FIRST_REF_NODE): New macro.
312         (LAST_REF_NODE): Ditto.
313         (FIRST_ADDR_NODE): Ditto.
314         (find): New function.
315         (unite): Ditto.
316         (dump_constraint): Do not handle INCLUDES.
317         (insert_into_complex): Do not insert duplicate constraints.
318         (condense_varmap_nodes): Renamed and rewritten into ...
319         (merge_node_constraints): This. Also fix bug in handling of
320         offseted copy constraints.
321         (clear_edges_for_node): No longer need to deal with preds at all,
322         or removing associated preds/succs. 
323         (merge_graph_nodes): Deal with indirect_cycles.
324         Don't deal with predecessors.
325         (add_implicit_graph_edge): New function.
326         (add_pred_graph_edge): Ditto.
327         (add_graph_edge): Don't deal with predecessors.
328         (build_constraint_graph): Removed.
329         (build_pred_graph): New function.
330         (build_succ_graph): Ditto.
331         (struct scc_info): Removed in_component. Added roots, dfs, and
332         node_mapping. Remove visited_index, unification_queue.
333         (scc_visit): Deal with union-find we do now.
334         Deal with cycles with REF nodes.
335         (collapse_nodes): Renamed and rewritten to ...
336         (unify_nodes): This.
337         (process_unification_queue): Removed.
338         (topo_visit): Cleanup
339         (do_da_constraint): Use find.
340         (do_sd_constraint): Ditto.
341         (do_ds_constraint): Ditto.
342         (do_complex_constraint): Ditto.
343         (init_scc_info): Update for removed and added members.
344         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
345         (find_indirect_cycles): This.
346         (equivalence_class): New variable.
347         (label_visit): New function.
348         (perform_variable_substitution): Rewritten.
349         (free_var_substitution_info): New function.
350         (find_equivalent_node): Ditto.
351         (move_complex_constraints): Ditto.
352         (eliminate_indirect_cycles): Ditto.
353         (solve_graph): Only propagate changed bits.
354         Use indirect cycle elimination.
355         Use find.
356         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
357         (tree_id_eq): Renamed to ...
358         (tree_vi_eq): This. Update for member change
359         (insert_id_for_tree): Renamed and rewritten to ...
360         (insert_vi_for_tree): This.
361         (lookup_id_for_tree): Renamed and rewritten to ...
362         (lookup_vi_for_tree): This.
363         (get_id_for_tree): Renamed and rewritten to ...
364         (get_vi_for_tree): Ditto.
365         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
366         (process_constraint): Don't handle INCLUDES.
367         Remove special ADDRESSOF case.
368         (find_func_aliases): Rewrite to use vi functions instead of id
369         ones.
370         (create_function_info_for): Ditto.
371         (create_variable_info_for): Ditto.
372         (intra_create_variable_infos): Ditto.
373         (merge_smts_into): Ditto.
374         (find_what_p_points_to): Ditto.
375         (init_base_vars): Ditto.
376         (init_alias_vars): Ditto.
377         (remove_preds_and_fake_succs): New function.
378         (dump_sa_points_to_info): Dump new stats.
379         (dump_solution_for_var): Use find.
380         (set_used_smts): Fix formatting.
381         (compute_points_to_sets): Updated for new functions.
382         (ipa_pta_execute): Ditto.
383
384 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
385             Richard Sandiford  <richard@codesourcery.com>
386
387         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
388         parallels.
389         * calls.c (expand_call): If the return value is a PARALLEL,
390         extract its first member.
391         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
392         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
393         use FUNCTION_EXTRA_EPILOGUE.
394         (m68k_function_value): Return a PARALLEL if the return value
395         is of a pointer type.
396         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
397         (FUNCTION_EXTRA_EPILOGUE): Remove.
398         * config/m68k/m68k.md (D0_REG): New constant.
399
400 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
401
402         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
403         output a NOP for empty epilogues.
404
405 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
406
407         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
408         before function.  Extend register save check to include all
409         registers, not just integer ones.
410
411 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
412
413         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
414         (m68k_use_return_insn): ...this.
415         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
416         * config/m68k/m68k.c (use_return_insn): Rename to...
417         (m68k_use_return_insn): ...this.
418         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
419         of USE_RETURN_INSN.
420
421 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
422
423         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
424         nearest even, fix denormal rounding overflow.
425
426 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
427
428         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
429         f%$smove and f%$move.
430         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
431         (extendsfdf2_cf): Use fdmove instead of f%&move.
432         (truncdfsf2_cf): Use fsmove instead of f%$smove.
433         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
434
435 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
436
437         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
438         GPR<-GPR moves.
439
440 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
441
442         * real.h (real_format): Add a canonical_nan_lsbs_set field.
443         (coldfire_single_format): Declare.
444         (coldfire_double_format): Likewise.
445         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
446         of qnan_msb_set to determine the lower bits of a canonical
447         NaN significand.
448         (encode_ieee_double): Likewise.
449         (encode_ieee_quad): Likewise.
450         (ieee_single_format): Initialize canonical_nan_lsbs_set.
451         (mips_single_format): Likewise.
452         (ieee_double_format): Likewise.
453         (mips_double_format): Likewise.
454         (ieee_extended_motorola_format): Likewise.
455         (ieee_extended_intel_96_format): Likewise.
456         (ieee_extended_intel_128_format): Likewise.
457         (ieee_extended_intel_96_round_53_format): Likewise.
458         (ibm_extended_format): Likewise.
459         (mips_extended_format): Likewise.
460         (ieee_quad_format): Likewise.
461         (mips_quad_format): Likewise.
462         (vax_f_format): Likewise.
463         (vax_d_format): Likewise.
464         (vax_g_format): Likewise.
465         (i370_single_format): Likewise.
466         (i370_double_format): Likewise.
467         (decimal_single_format): Likewise.
468         (decimal_double_format): Likewise.
469         (decimal_quad_format): Likewise.
470         (c4x_single_format): Likewise.
471         (c4x_extended_format): Likewise.
472         (real_internal_format): Likewise.
473         (coldfire_single_format): New real_format.
474         (coldfire_double_format): Likewise.
475         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
476         canonical_nan_lsbs_set.
477         (pdp11_d_format): Likewise.
478         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
479         if TARGET_COLDFIRE_CPU.
480
481 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
482
483         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
484         (output_call, m68k_legitimize_call_address): Declare.
485         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
486         parenthesees.  Add support for a 'W' constraint.
487         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
488         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
489         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
490         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
491         variables.
492         (override_options): Initialize them.  Do not set flag_no_function_cse
493         for TARGET_ID_SHARED_LIBRARY.
494         (m68k_output_pic_call): Delete.
495         (m68k_legitimize_call_address): New function.
496         (print_operand): Remove the %o prefix.  Handle the %p prefix.
497         (output_call): New function.
498         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
499         target address from the GOT if symbolic jumps are not allowed.
500         * config/m68k/m68k.md (call, general_operand): Do not set
501         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
502         Merge separate flag_pic and !flag_pic define_insns into...
503         (*call, *call_value): ...these new patterns.  Match the address
504         rather than the containing MEM and require it to be a call_operand.
505         Use output_call to generate the asm template.
506         * config/m68k/predicates.md (const_call_operand): New predicate.
507         (call_operand): Likewise.
508
509 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
510
511         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
512         (STACK_GROWS_DOWNWARD): Define to 1.
513         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
514         comments, emphasizing that these values are only defaults.
515         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
516         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
517
518 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
519
520         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
521
522 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
523             Richard Sandiford  <richard@codesourcery.com>
524
525         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
526         (FP_REGNO_P): New macros.
527         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
528         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
529         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
530         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
531
532 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
533
534         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
535         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
536         to $tmake_file.
537         * config/m68k/t-floatlib: New file, extracting common code from...
538         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
539         * config/m68k/t-uclinux: Here.
540         * config/m68k/fpgnulib.c: Do not compile extendeed precision
541         routines on ColdFire targets.
542
543 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
544
545         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
546         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
547         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
548         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
549         explicitly set MOTOROLA to 1.
550         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
551
552 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
553             Nathan Sidwell  <nathan@codesourcery.com>
554
555         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
556         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
557         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
558         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
559         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
560         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
561         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
562         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
563         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
564         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
565         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
566         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
567         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
568         (DBX_REGISTER_NUMBER): Delete.
569         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
570         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
571         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
572
573 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
574
575         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
576         * config/flat.h: New file.
577         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
578         OBJECT_FORMAT_FLAT.
579         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
580         indirect references for -msep-data or -mid-shared-library.
581         Do not use PC-relative code addresses either.
582         * config/m68k/m68k.c (override_options): Restrict -fPIC error
583         to -mpcrel.
584         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
585         for shared libraries and crt1.o for executables.  Use crti.o and
586         crtbegin.o.
587         (ENDFILE_SPEC): Use crtend.o and crtn.o.
588         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
589         Do not add -elf2flt or -shared-lib-id options here.
590         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
591         Pass -shared-lib-id if -mid-shared-library, taking the library
592         identifier from -mshared-library-id if given, otherwise
593         defaulting to 0.
594         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
595         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
596         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
597         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
598         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
599         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
600         and crtend.o.
601         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
602         jump sequence for ISA A and ISA A+.
603         (PICJUMP): Likewise.
604
605 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
606
607         * config.gcc (m68k-*-uclinux*): Base the port on the common
608         and m68k GNU/Linux files rather than on the generic ELF ones.
609         * config/m68k/uclinux.h (TARGET_VERSION): Override.
610         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
611
612 2007-01-18  Julian Brown  <julian@codesourcery.com>
613             Richard Sandiford  <richard@codesourcery.com>
614
615         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
616         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
617         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
618         before redefining.
619         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
620         80 unconditionally.
621         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
622
623 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
624
625         * doc/install.texi: Document m68k-uclinuxoldabi.
626         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
627         * config/m68k/uclinux-oldabi.h: New file, copied from
628         config/m68k/uclinux.h.
629
630 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
631
632         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
633         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
634         (m32r_compute_frame_size): Use unsigned for regno.
635         (m32r_reload_lr): Use gen_frame_mem.
636         (pop): New.
637         (m32r_output_function_epilogue): Don't output the function epilogue
638         textually here.
639         (m32r_expand_epilogue): New.
640         (direct_return): Return false if the function has the interrupt
641         attribute.
642         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
643         * config/m32r/m32r.md (epilogue): New expander.
644         (return_lr, return_rte): New insns.
645         (return): Make it expander.
646         (return_normal): New expander.
647
648 2007-01-18  Josh Conner  <jconner@apple.com>
649
650         PR target/30485
651         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
652         support for UNLE, UNLT, UNGE, and UNGT.
653
654 2007-01-18  Jan Hubicka  <jh@suse.cz>
655
656         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
657         * tree-tailcall (add_virtual_phis): Likewise.
658         (optimize_tail_call): Return TODOs.
659         (execute_tail_calls): Return TODOs.
660         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
661         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
662         changed.
663         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
664         Cleanup cfg using TODO.
665         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
666         * passes.c (execute_function_todo): When cleanup did something, remove
667         unused locals.
668         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
669         (make_edges): Don't cleanup_cfg.
670
671 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
672
673         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
674         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
675         operate on the top of stack.
676         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
677         register handling of instructions that output to the second
678         stack slot.
679         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
680         (move_for_stack_reg): Special-case check for dead destination
681         stack slot for constant load of 1.0 inside UNSPEC_TAN.
682
683         * config/i386/i386.md (UNSPEC_TAN): New constant.
684         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
685         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
686         to correctly model move of constant 1.0 to top stack slot.
687         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
688         (unnamed peephole2 pattern): Remove corresponding peephole2
689         pattern that optimizes tan insn and loading of constant 1.0.
690         (tanxf2): Use fptanxf4_i387.
691         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
692         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
693         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
694         disable patterns for SSE math.
695         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
696         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
697
698 2007-01-18  Dirk Mueller  <dmueller@suse.de>
699             Richard Guenther <rguenther@suse.de>
700
701         PR diagnostic/8268
702         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
703         * common.opt (Warray-bounds): Add new warning option.
704         * c-opts.c (c_common_handle_option): Define -Warray-bounds
705         if -Wall is given.
706         * Makefile.in: make tree-vrp.o depend on toplev.h
707         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
708         is enabled.
709         (check_array_refs, check_array_bounds, check_array_ref): New.
710
711 2007-01-18  Jan Hubicka  <jh@suse.cz>
712
713         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
714         (execute_ssa_ccp): Return flags conditionally.
715         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
716         changed.
717         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
718
719 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
720
721         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
722         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
723
724         * Makefile.c (GTFILES): Add cfglayout.h.
725         * gengtype.c (open_base_files): Likewise.
726         * cfglayout.c (cfg_layout_function_footer,
727         cfg_layout_function_header) Reindent to make gengtype happy.
728         * cfglayout.h (cfg_layout_function_footer,
729         cfg_layout_function_header): Add GTY(()) marker.
730
731         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
732
733 2007-01-18  Ben Elliston  <bje@au.ibm.com>
734
735         * genautomata.c (write_automata): Include xstrerror output in the
736         error message if writing the DFA description file fails.
737
738 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
739
740         * config/mips/mips-protos.h (mips_output_external): Make it
741         return void.
742         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
743         * config/mips/mips.c (irix_output_external_libcall): Likewise.
744         (extern_list): Likewise.
745         (extern_head): Likewise.
746         (TARGET_ASM_FILE_END): Likewise.
747         (mips_file_end): Likewise.
748         (mips_output_external): Rewritten.
749
750 2007-01-18  Ben Elliston  <bje@au.ibm.com>
751
752         * genpreds.c (write_insn_preds_c): Only write out the function
753         body for regclass_for_constraint if we have register constraints.
754
755 2007-01-17  Tom Tromey  <tromey@redhat.com>
756
757         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
758         * doc/install.texi (Testing): Use sourceware.org.
759         (Binaries): Likewise.
760         (Specific): Likewise.
761         * doc/contrib.texi (Contributors): Use sourceware.org.
762
763 2007-01-17  Anatoly Sokolov <aesok@post.ru>
764
765         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
766         (AVR_ENHANCED): Rename to ...
767         (AVR_HAVE_MUL): ... new.
768         (avr_enhanced_p): Rename to ...
769         (avr_have_mul_p): ... new.
770         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
771         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
772         * config/avr/avr.c (avr_enhanced_p): Rename to ...
773         (avr_have_mul_p): ... new.
774         (base_arch_s): Rename 'enhanced' to 'have_mul'.
775         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
776         'avr_enhanced_p' and 'enhanced'.
777         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
778         AVR_HAVE_MUL instead of AVR_ENHANCED.
779         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
780         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
781         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
782         instead of AVR_ENHANCED.
783         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
784         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
785         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
786
787 2007-01-17  Ian Lance Taylor  <iant@google.com>
788
789         * vec.h (VEC_reserve_exact): Define.
790         (vec_gc_p_reserve_exact): Declare.
791         (vec_gc_o_reserve_exact): Declare.
792         (vec_heap_p_reserve_exact): Declare.
793         (vec_heap_o_reserve_exact): Declare.
794         (VEC_OP (T,A,reserve_exact)): New static inline function, three
795         versions.
796         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
797         negative parameter.
798         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
799         (VEC_OP (T,A,copy)) [all versions]: Likewise.
800         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
801         * vec.c (calculate_allocation): Add exact parameter.  Change all
802         callers.
803         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
804         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
805         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
806         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
807         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
808         (vec_heap_p_reserve_exact): New function.
809         (vec_heap_o_reserve_exact): New function.
810
811 2007-01-17  Jan Hubicka  <jh@suse.cz>
812
813         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
814
815 2007-01-17  Eric Christopher  <echristo@apple.com>
816
817         * config.gcc: Support core2 processor.
818
819 2007-01-16  Jan Hubicka  <jh@suse.cz>
820
821         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
822         the names, just unlink the chain so we don't crash on dangling pointers
823         to dead SSA names.
824
825 2007-01-16  Jan Hubicka  <jh@suse.cz>
826
827         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
828         * tree-pass.h: Reorder to make IPA passes appear toegher.
829         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
830         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
831         parameters, do not call early inliner.
832         * ipa-inline.c: Update comments.  Include tree-flow.h
833         (cgraph_decide_inlining): Do not compute inlining parameters.
834         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
835         be called with function context set up.
836         (pass_ipa_inline): Remove unreachable functions before pass.
837         (cgraph_early_inlining): Simplify assuming to be called from the
838         PM as local pass.
839         (pass_early_inline): New pass.
840         (cgraph_gate_ipa_early_inlining): New gate.
841         (pass_ipa_early_inline): Turn into simple wrapper.
842         (compute_inline_parameters): New function.
843         (gate_inline_passes): New gate.
844         (pass_inline_parameters): New pass.
845         (apply_inline): Move here from tree-optimize.c
846         (pass_apply_inline): New pass.
847         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
848         transforming.
849         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
850         doing them by hand.
851         (tree_function_versioning): Do not allocate dummy struct function.
852         * tree-inline.h (optimize_inline_calls): Update prototype.
853         * tree-optimize.c (execute_fixup_cfg): Export.
854         (pass_fixup_cfg): Remove
855         (tree_rest_of_compilation): Do not apply inlines.
856         * tree-flow.h (execute_fixup_cfg): Declare.
857         * Makefile.in (gt-passes.c): New.
858         * passes.c: Include gt-passes.h
859         (init_optimization_passes): New passes.
860         (nnodes, order): New static vars.
861         (do_per_function_toporder): New function.
862         (execute_one_pass): Dump current pass here.
863         (execute_ipa_pass_list): Don't dump current pass here.
864
865 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
866
867         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
868         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
869
870 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
871
872         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
873         (strong_alias): Define.
874         (__gcc_qmul): Provide non-FMA for soft-float.
875         (__gcc_qdiv): Same.
876         (__gcc_qneg): New.
877         (__gcc_qeq): New.
878         (__gcc_qle): New.
879         (__gcc_qge): New.
880         (__gcc_qunord): New.
881         (__gcc_stoq): New.
882         (__gcc_dtoq): New.
883         (__gcc_qtos): New.
884         (__gcc_qtod): New.
885         (__gcc_qtoi): New.
886         (__gcc_qtou): New.
887         (__gcc_itoq): New.
888         (__gcc_utoq): New.
889         (fmsub): New.
890         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
891         soft-float functions.
892         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
893         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
894         about long double soft float.
895
896 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
897             Tehila Meyzels  <tehila@il.ibm.com>
898
899         * tree-vectorizer.h (is_pattern_stmt_p): New.
900         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
901         formatting (tabs instead of spaces). Cleanup and clarify setting
902         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
903         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
904         (vectorizable_type_demotion): Check that types are integral.
905         (vectorizable_type_promotion): Likewise.
906         (vectorizable_store): Fix typo.  Eliminate new-line at end of
907         comments.
908
909 2007-01-16  Jan Hubicka  <jh@suse.cz>
910
911         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
912         cgraph edges too.
913
914 2007-01-15  Eric Christopher  <echristo@apple.com>
915
916         * ifcvt.c: Include vec.h, vecprim.h.
917         (check_cond_move_block): New argument regs.
918         Reorganize. Add registers used to regs.
919         (cond_move_process_if_block): Use regs set above as
920         loop bounds.
921
922 2007-01-15  Eric Christopher  <echristo@apple.com>
923
924         * config/darwin.h: Update copyright.
925         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
926         (LINK_COMMAND_SPEC): Add -u.
927         (LINK_SPEC): Fix umbrella for above.
928
929 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
930
931         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
932         glibc CVS.
933
934 2007-01-15  Tom Tromey  <tromey@redhat.com>
935
936         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
937         * doc/install.texi (Testing): Don't mention jacks.
938         (Configuration): Document --enable-java-maintainer-mode.  Move
939         --with-java-home to libgcj-specific section.  Document
940         --with-ecj-jar.
941         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
942
943 2007-01-15  Jan Hubicka  <jh@suse.cz>
944
945         * tree-ssa-dce.c (DCE_TODOs): New.
946         (propagate_necessity): Return if something changed.
947         (eliminate_unnecessary_stmts): Likewise.
948         (perform_tree_ssa_dce): Return TODO flags when needed.
949         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
950
951 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
952
953         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
954         (fyl2x_extend<mode>xf3_i387): New insn pattern.
955         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
956         patterns using X87MODEF12 mode macro.  Extend operand 1
957         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
958         (log10<mode>2): Ditto.
959         (log2<mode>2): Ditto.
960         (log1p<mode>2): Ditto.
961         (logb<mode>2): Ditto.
962         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
963         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
964         (*fxtractxf3_i387): Rename from *fxtractxf3.
965         (fxtract_extend<mode>xf3_i387): New insn pattern.
966         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
967         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
968         and gen_fyl2xxf3_i387().
969
970 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
971
972         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
973         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
974         get_loop_exit_edges.  Changed return type to bool.
975         * cfgloop.h (fix_loop_placement): Declaration removed.
976
977 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
978
979         * param.h (MIN_VECT_LOOP_BOUND): New.
980         * params.def (MIN_VECT_LOOP_BOUND): New.
981         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
982         argument - minimum threshold for number of iterations.
983         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
984         argument to declaration.
985         * tree-vect-analyze.c (vect_analyze_operations): Check value of
986         MIN_VECT_LOOP_BOUND.
987         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
988         slpeel_tree_peel_loop_to_edge with additional argument.
989         (vect_do_peeling_for_alignment): Likewise.
990         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
991
992 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
993
994         PR target/30413
995         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
996         operands of size 1.
997
998 2007-01-14  Jan Hubicka  <jh@suse.cz>
999
1000         * tree-dfa.c (remove_referenced_var): New function.
1001         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1002         prune referenced vars list too.
1003         * tree-flow.h (remove_referenced_var): Declare.
1004
1005 2007-01-14  Jan Hubicka  <jh@suse.cz>
1006
1007         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1008         separately.
1009         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1010         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1011         * except.h (verify_eh_throw_table_statements): Kill prototype.
1012         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1013         into call exrepssions.
1014         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1015         eh trhow verifier.
1016         * tree-cfg.c: Include pointer-set.h.
1017         (verify_node_sharing): Work on pointer set.
1018         (verify_eh_throw_stmt_node): New.
1019         (verify_stmts): Use pointers sets, verify throw_stmt.
1020
1021 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1022
1023         * ipa-reference.c (analyze_function): Consider also addresses taken
1024         in phi nodes.
1025
1026 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1027
1028         * c-typeck.c (null_pointer_constant_p): Replace use of
1029         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1030         (build_c_cast): Likewise.
1031
1032 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1033
1034         * tree.h (force_fit_type_double): Remove unused final argument.
1035         * c-common.c (constant_expression_warning): Replace use of
1036         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1037         (convert_and_check): Likewise.
1038         (shorten_compare): Update call to force_fit_type_double.
1039         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1040         * convert.c (convert_to_pointer): Update call to
1041         force_fit_type_double.
1042         * fold-const.c (force_fit_type_double): Remove overflowed_const
1043         argument.
1044         (int_const_binop, fold_convert_const_int_from_int,
1045         fold_convert_const_int_from_real, fold_div_compare,
1046         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1047         fold_abs_const, fold_not_const): Remove the final argument from
1048         calls to force_fit_type_double.
1049
1050 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1051
1052         * configure.ac: Set insn to "nop" for spu-*-* also.
1053         * configure: Regenerate.
1054
1055 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1056
1057         * builtins.def : Add BUILT_IN_FREE.
1058
1059 2007-01-12  Jan Hubicka  <jh@suse.cz>
1060
1061         PR tree-optimization/30443
1062         * tree-inline.c (tree_function_versioning): Do not optimize when
1063         cloning for inlining.
1064
1065 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1066
1067         * doc/loop.texi: Document recording of loop exits.
1068         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1069         (update_single_exits_after_duplication,
1070         update_single_exit_for_duplicated_loop,
1071         update_single_exit_for_duplicated_loops): Removed.
1072         (duplicate_loop_to_header_edge): Do not call
1073         update_single_exits_after_duplication and
1074         update_single_exit_for_duplicated_loops.
1075         (loop_version): Do not update single_exit information.
1076         (fix_loop_structure): Use record_loop_exits instead of
1077         mark_single_exit_loops.
1078         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1079         the lists of loop exits.
1080         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1081         split_edge, merge_blocks): Update the lists of loop exits.
1082         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1083         loop_optimizer_init.
1084         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1085         of mark_single_exit_loops.
1086         (loop_optimizer_finalize): Call release_recorded_exits.
1087         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1088         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1089         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1090         update single exit information.
1091         * lambda-code.c (perfect_nestify): Ditto.
1092         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1093         (mark_single_exit_loops): Removed.
1094         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1095         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1096         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1097         functions.
1098         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1099         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1100         (verify_loop_structure): Verify consistency of the exit lists.
1101         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1102         (set_single_exit): Removed.
1103         * cfgloop.h (struct loop_exit): New function.
1104         (struct loop): single_exit_ field replaced by exits field.
1105         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1106         (struct loops): Added exits hash.
1107         (mark_single_exit_loops, set_single_exit): Declaration removed.
1108         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1109
1110 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1111
1112         * doc/invoke.texi: Avoid use of @headitem.
1113
1114 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1115
1116         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1117
1118 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1119
1120         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1121         list of targets.
1122
1123 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1124             Richard Sandiford  <richard@codesourcery.com>
1125
1126         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1127         * config/m68k/m68k.opt: Resort options.
1128         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1129
1130 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1131             Richard Sandiford  <richard@codesourcery.com>
1132
1133         * doc/invoke.texi: Document the macros that are defined by
1134         m68k's -mtune and -mhard-float options.
1135         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1136         (m68k_cpp_cpu_family): Likewise.
1137         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1138         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1139         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1140         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1141         (m68k_cpp_cpu_family): Likewise.
1142
1143 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1144
1145         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1146         macros besides mc68000 as tuning macros.  Use a switch statement
1147         to set them and mcpu32.
1148
1149 2007-01-12  Julian Brown  <julian@codesourcery.com>
1150
1151         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1152         (TARGET_68040_ONLY): Rename to...
1153         (TARGET_68040): ...this.
1154         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1155         * config/m68k/m68k.md: Likewise.
1156
1157 2007-01-12  Julian Brown  <julian@codesourcery.com>
1158             Nathan Sidwell  <nathan@codesourcery.com>
1159             Richard Sandiford  <richard@codesourcery.com>
1160
1161         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1162         the -mcpu= argument associated with the --with-cpu setting.
1163         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1164         if different from the one implied by the -mcpu setting.
1165         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1166         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1167         * doc/invoke.texi: Mention ColdFire in the introduction to the
1168         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1169         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1170         -mhard-float.  Document the previously-undocumented -m5206e,
1171         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1172         documentation for consistency.
1173         * doc/install.texi: Mention new --with-cpu arguments.
1174         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1175         default CPU if neither -mcpu nor -march are specified.
1176         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1177         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1178         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1179         using m68k_tune to decide between families that implement the
1180         same ISA.  Use m68k_tune to set __mcfv4e__.
1181         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1182         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1183         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1184         (FL_ISA_C, FL_ISA_MMU): New macros.
1185         (MASK_COLDFIRE): Delete.
1186         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1187         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1188         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1189         (TARGET_HARD_FLOAT): Do not define here.
1190         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1191         (TUNE_68000): New macro.
1192         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1193         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1194         (TUNE_CFV2): Redefine in terms of m68k_tune.
1195         (uarch_type, target_device, fpu_type): New enums.
1196         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1197         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1198         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1199         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1200         (FL_FOR_isa_c): New macros.
1201         (m68k_isa): New enum.
1202         (m68k_target_selection): New structure.
1203         (all_devices, all_isas, all_microarchs): New tables.
1204         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1205         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1206         (MASK_ALL_CPU_BITS): Delete.
1207         (m68k_find_selection): New function.
1208         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1209         Map the legacy target options to a combination of the new ones.
1210         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1211         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1212         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1213         settings.
1214         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1215         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1216         properties.
1217         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1218         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1219         * config/m68k/m68k-devices.def: New file.
1220
1221 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1222             Nathan Sidwell  <nathan@codesourcery.com>
1223
1224         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1225         (SUBTARGET_EXTRA_SPECS): New macros.
1226         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1227         use %(asm_cpu_spec) instead.
1228         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1229         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1230         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1231         (EXTRA_SPECS): Rename to...
1232         (SUBTARGET_EXTRA_SPECS): ...this.
1233
1234 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1235             Richard Sandiford  <richard@codesourcery.com>
1236             Julian Brown  <julian@codesourcery.com>
1237
1238         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1239         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1240         to the configuration's default CPU.
1241         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1242         Remove default masks.
1243         (m680[012]0-*-*): Set the default with_cpu to the first part of
1244         the target name.
1245         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1246         (m68k*-*-linux): Extend the --with-cpu handling to...
1247         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1248         and m68010.  Don't set target_cpu_default2.
1249         * doc/install.texi: Document --with-cpu for m68k.
1250         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1251         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1252         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1253         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1254         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1255         (ASM_SPEC): Remove use of %(asm_cpu_default).
1256         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1257         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1258         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1259         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1260         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1261         (TARGET_DEFAULT): Delete.
1262         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1263         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1264         (CPP_CPU_SPEC): Delete.
1265         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1266         the appropriate string.
1267         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1268         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1269         (ASM_SPEC): Don't use %(asm_default_spec).
1270         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1271         TARGET_DEFAULT and add MASK_68881.
1272         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1273
1274 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1275
1276         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1277         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1278         MASK_68010 alongside MASK_68020.
1279         * doc/invoke.texi: Document -m68010.
1280         * config/m68k/m68k.opt (m68010): New.
1281         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1282         if TUNE_68010.
1283         (TUNE_68010): New macro.
1284         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1285         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1286         (M68K_CPU_m68332): Add MASK_68010.
1287         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1288         fallback definition.
1289         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1290         defines.
1291         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1292         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1293         to all entries that use MASK_68020.
1294         (output_move_simode_const, output_move_himode, output_move_qimode)
1295         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1296         instead of TARGET_68020 to select clr behavior.  Remove comment
1297         about there being no TARGET_68010.
1298         * config/m68k/m68k.md: Likewise throughout.
1299
1300 2007-01-12  Julian Brown  <julian@codesourcery.com>
1301
1302         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1303         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1304         * config/m68k/m68k.md: Likewise.
1305
1306 2007-01-12  Julian Brown  <julian@codesourcery.com>
1307
1308         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1309         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1310
1311 2007-01-12  Julian Brown  <julian@codesourcery.com>
1312
1313         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1314         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1315         * config/m68k/m68k.md: Likewise.
1316
1317 2007-01-12  Julian Brown  <julian@codesourcery.com>
1318             Richard Sandiford  <richard@codesourcery.com>
1319
1320         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1321         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1322         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1323         TARGET_CPU32.
1324         (TARGET_CPU32): Rename to...
1325         (TUNE_CPU32): ...this.
1326         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1327         (TUNE_CFV2): New macros.
1328         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1329         remove conditions that are implied by TARGET_68020.
1330         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1331         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1332         (m68k_output_function_epilogue): Likewise.
1333         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1334         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1335         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1336         non-68000 timings.  Refactor multiplication and division costs.
1337         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1338         TUNE_CPU32 instead of TARGET_CPU32.
1339         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1340         and TUNE_68060 instead of TARGET_68060.
1341         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1342         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1343         TARGET_CPU32.
1344         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1345         && !TARGET_COLDFIRE" to choose between moveq and clr.
1346         Likewise in the unnamed movsf pattern.
1347         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1348         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1349         ashiftrt pattern.
1350
1351 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1352
1353         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1354         of tabbing before backslashes.
1355
1356 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1357
1358         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1359         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1360         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1361
1362 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1363
1364         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1365         find_interesting_uses_cond.
1366         (find_interesting_uses_cond): Use extract_cond_operands.
1367         (rewrite_use_compare): Use extract_cond_operands and
1368         force_gimple_operand_bsi.  Do not call update_stmt.
1369         (determine_use_iv_cost_condition): Use extract_cond_operands.
1370         Return cheaper of using original bound and changing the exit bound.
1371
1372 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1373
1374         PR tree-optimization/29516
1375         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1376         most_expensive_mult_to_index, addr_to_parts,
1377         create_mem_ref, maybe_fold_tmr): Make the type of
1378         fields of TARGET_MEM_REF sizetype.
1379         (move_fixed_address_to_symbol, move_pointer_to_base):
1380         New functions.
1381         * tree.def (TARGET_MEM_REF): Add comment on types of
1382         the operands.
1383
1384 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1385
1386         * c-common.c (vector_types_convertible_p): Treat opaque types as
1387         always convertible if they have the same size, but not otherwise.
1388
1389 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1390
1391         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1392         Remove the b_unconditional field.
1393         (noce_try_sign_mask): Do not look at b_unconditional.
1394         (noce_process_if_block): Do not use merge_if_blocks.  Update
1395         the CFG here.  Do not set b_unconditional.
1396         (cond_move_process_if_block): Likewise.
1397         (find_cond_trap): Likewise.
1398         (check_cond_move_block): Require simple jump insns at the end
1399         of the basic block.
1400
1401 2007-01-11  Jan Hubicka  <jh@suse.cz>
1402
1403         PR tree-optimization/1046
1404         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1405         when alias info is not ready.
1406         (pass_tail_recursion): Do not require aliasing.
1407         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1408         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1409         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1410         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1411         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1412         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1413         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1414         before inlining.
1415         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1416         When aliasing is not build, mark statement as volatile.
1417
1418 2007-01-11  Tom Tromey  <tromey@redhat.com>
1419
1420         PR preprocessor/15185, PR preprocessor/20989:
1421         * doc/cppopts.texi <-MT>: Update description of algorithm for
1422         computing default target.
1423         <-M, -MD>: Reword "basename" text.
1424
1425 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1426
1427         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1428         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
1429         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1430         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
1431         fold_builtin_bswap, real_constp, fold_builtin_pow,
1432         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
1433         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
1434         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1435         * convert.c (convert_to_pointer): Likewise.
1436         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1437         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
1438         const_binop, fold_convert_const_int_from_int,
1439         fold_convert_const_int_from_real,
1440         fold_convert_const_real_from_real, sign_bit_p,
1441         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
1442         fold_sign_changed_comparison, fold_unary, fold_comparison,
1443         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
1444         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1445         * print-tree.c (print_node_brief, print_node): Likewise.
1446         * stor-layout.c (place_field, layout_type): Likewise.
1447         * tree-chrec.c (keep_cast): Likewise.
1448         * tree.c (build_vector, build_real, build_real_from_int_cst,
1449         build_complex): Likewise.
1450
1451 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1452
1453         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
1454         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
1455
1456 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
1457
1458         * configure.ac (strict1_warn): Rename to strict_warn.
1459         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
1460         cc_set_by_configure, quoted_cc_set_by_configure,
1461         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
1462         all_boot_languages, all_stagestuff): Remove.
1463         (target_list): Remove bootstrap targets.
1464         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
1465         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
1466         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
1467         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
1468         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
1469         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
1470         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
1471         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
1472         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
1473         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
1474         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
1475         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
1476         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
1477         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
1478         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
1479         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1480         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1481         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1482         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1483         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1484         (mostlyclean): Adjust.
1485         (clean, distclean): Don't mention bootstrap stuff.
1486         * configure: Regenerate.
1487         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1488         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1489         treelang/config-lang.in (stagestuff): Remove.
1490         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1491         stageprofile, stagefeedback, stagestuff): Remove mention.
1492
1493 2007-01-11  Nick Clifton  <nickc@redhat.com>
1494
1495         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1496         Accept CONSTs.
1497         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1498         (mcore_arith_K_S_operand): Run the test for the S constraint not
1499         the test for the M constraint.
1500         (mcore_addsub_operand): Do not accept integer values that are
1501         larger than 32 bits.
1502         * config/mcore/mcore.md: Remove unused constraints from split.
1503         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1504         (addsi3): Likewise.
1505         (allocate_stack): Likewise.
1506         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1507         operands to 32 bits.
1508         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1509         INTVAL.
1510         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1511         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1512         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1513         mcore_output_bclri, mcore_output_andn, output_inline_const,
1514         mcore_output_move, mcore_output_movedouble): Likewise.
1515         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1516         (output_inline_const): Likewise.
1517         (output_inline_const): Fix format strings used in sprintf
1518         statements.
1519         * config/mcore/mcore-protos.h: Update prototypes for changed
1520         functions in mcore.c.
1521         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1522         HOST_WIDE_INT and not int.
1523         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1524         CONST_OK_FOR_N): Likewise.
1525         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1526         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1527         an INTVAL.
1528
1529 2007-01-10  Jan Hubicka  <jh@suse.cz>
1530
1531         * tree-vrp.c (remove_range_assertions): Release defs.
1532         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
1533         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
1534
1535 2007-01-10  Paul Brook  <paul@codesourcery.com>
1536
1537         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
1538         * config/arm/arm.md (mulsi3subsi): New insn.
1539
1540 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
1541
1542         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
1543         (tree_transform_and_unroll_loop): New.
1544         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
1545         Declare.
1546
1547 2007-01-10  Robert Kennedy <jimbob@google.com>
1548
1549         * fold-const.c (fold_comparison): Fold comparisons like (x *
1550         1000 < 0) to (x < 0).
1551
1552 2007-01-10  Ian Lance Taylor  <iant@google.com>
1553
1554         * tree-pretty-print.c (dump_generic_node): Print parentheses when
1555         operands have the same priority.
1556
1557 2007-01-10  Tom Tromey  <tromey@redhat.com>
1558
1559         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
1560         (fold_binary): Likewise.
1561         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
1562         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
1563         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
1564         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
1565         * langhooks.h (struct lang_hooks): Removed field
1566         'can_use_bit_fields_p'.
1567
1568 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
1569
1570         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
1571
1572 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
1573
1574         * function.c (get_last_funcdef_no): New function.
1575         * function.h (get_last_funcdef_no): Declare.
1576         * tree-inline.c (initialize_cfun): Add initialization.
1577         (tree_function_versioning): Cleanup.
1578
1579 2007-01-10  Jan Hubicka  <jh@suse.cz>
1580
1581         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
1582         PHIs.
1583
1584 2007-01-10  Sa Liu  <saliu@de.ibm.com>
1585             Ben Elliston  <bje@au.ibm.com>
1586
1587         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
1588         for SAVE_NONLOCAL and Pmode for any other save level.
1589         * spu-protos.h (spu_restore_stack_block): Declare.
1590         * spu.md (save_stack_block): Remove.
1591         (restore_stack_block): Call spu_restore_stack_block.
1592         * spu.c (spu_restore_stack_block): New function.
1593         (spu_expand_epilogue): Remove old comment.
1594
1595 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
1596
1597         PR tree-optimization/30322
1598         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
1599         (cand_value_at): Return the value as aff_tree.
1600         (may_eliminate_iv): Convert the bound from aff_tree to tree.
1601         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
1602         aff_combination_mult): New functions.
1603         (aff_combination_add): Use aff_combination_add_cst.
1604         (aff_combination_convert): Allow conversions to a wider type.
1605         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
1606         * tree-affine.h (aff_combination_mult): Declare.
1607
1608 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
1609
1610         * doc/tm.texi: Update documentation to reflect reality of exec
1611         and start file search behaviours. Update copyright year.
1612         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
1613         header file directories.
1614
1615 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
1616
1617         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
1618         (*cosxf2): Rename to cosxf2_i387.
1619         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
1620         using X87MODEF12 mode macro. Rename patterns to
1621         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1622         for SSE math.
1623         (*cosdf2, *cossf2): Ditto.
1624         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1625         to match extended input operands.
1626         (sincos<mode>3): New expander.
1627         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1628         insn patterns and corresponding splitters.
1629
1630 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1631
1632         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1633         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1634
1635 2007-01-09  Nicolas Pitre  <nico@cam.org>
1636
1637         PR target/30173
1638         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1639
1640 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1641
1642         * target.h (struct gcc_target): New field library_rtti_comdat.
1643         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1644         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1645         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1646         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1647
1648 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1649
1650         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1651
1652 2007-01-08  Richard Guenther  <rguenther@suse.de>
1653
1654         * tree.h (force_fit_type_double): Export.
1655         (force_fit_type): Remove.
1656         * fold-const.c (force_fit_type_double): New function.
1657         (force_fit_type): Remove.
1658         (int_const_binop): Use it.
1659         (fold_convert_const_int_from_int): Likewise.
1660         (fold_convert_const_int_from_real): Likewise.
1661         (fold_div_compare): Likewise.
1662         (fold_sign_changed_comparison): Likewise.
1663         (fold_unary): Likewise.
1664         (fold_negate_const): Likewise.
1665         (fold_abs_const): Likewise.
1666         (fold_not_const): Likewise.
1667         * c-common.c (shorten_compare): Use force_fit_type_double.
1668         * convert.c (convert_to_pointer): Likewise.
1669
1670 2007-01-08  Richard Guenther  <rguenther@suse.de>
1671
1672         * tree.h (build_int_cst_wide_type): Export.
1673         * tree.c (build_int_cst_wide_type): New function.
1674         (build_int_cst_wide): Fix comment.
1675         * builtins.c (fold_builtin_object_size): Use build_int_cst
1676         to build -1 or 0 of the correct type.  Use fit_double_type
1677         to check for overflow.
1678         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1679         to build the mask.
1680         (decode_field_reference): Likewise.
1681         (all_ones_mask_p): Likewise.
1682         (native_interpret_int): Use build_int_cst_wide_type.
1683         (fold_binary): Use build_int_cst_type to build an all-ones
1684         value.
1685         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1686
1687 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1688
1689         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1690
1691 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1692
1693         * genautomata.c (STATS_OPTION): New option.
1694         (stats_flag): New flag.
1695         (gen_automata_option): Handle it.
1696         (initiate_automaton_gen): Ditto.
1697         (write_automata): Output statistics only if stats_flag is
1698         set. Likewise, output time statistics only if time_flag is set.
1699         * doc/md.texi (Processor pipeline description): Document new flag.
1700
1701 2007-01-08  Richard Guenther  <rguenther@suse.de>
1702
1703         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1704         * tree.c (build_int_cst_type): Likewise.
1705         (size_in_bytes): Don't call force_fit_type on the result.
1706         (int_fits_type_p): Use fit_double_type.
1707         * fold-const.c (fit_double_type): New function.
1708         (force_fit_type): Use it.
1709         * tree.h (fit_double_type): Export.
1710
1711 2007-01-08  Jan Hubicka  <jh@suse.cz>
1712
1713         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1714         * ipa.c (function_and_variable_visibility): Fix return type.
1715
1716 2007-01-08  Richard Guenther  <rguenther@suse.de>
1717
1718         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1719         of offset to build the index.
1720         * tree-pretty-print.c (dump_generic_node): Don't build negated
1721         const just for printing.
1722         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1723         * builtins.c (fold_builtin_int_roundingfn): Check if result
1724         fits the type by using force_fit_type and comparing the result.
1725         * predict.c (predict_loops): Use compare_tree_int for comparison.
1726         * tree.c (build_int_cst): Fall back to integer_type_node for
1727         NULL_TREE type.
1728         (build_int_cst_wide): Assert type is non-null.
1729
1730 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1731
1732         * tree-vrp.c (extract_range_from_cond_expr): New.
1733         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1734         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1735         as expressions.
1736         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1737         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1738         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1739         used as expressions.
1740         * tree-object-size.c (cond_expr_object_size): New.
1741         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1742
1743 2007-01-08  Jan Hubicka  <jh@suse.cz>
1744
1745         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1746         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1747         statement.
1748
1749 2007-01-08  Richard Guenther  <rguenther@suse.de>
1750
1751         PR tree-optimization/23603
1752         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1753         (extract_range_from_binary): Fall back to truthvalue instead of
1754         varying for TRUTH_*_EXPR.
1755         (extract_range_from_comparison): Fall back to truthvalue instead of
1756         varying.
1757         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1758         if all visited PHI values were constant.
1759
1760 2007-01-08  Jan Hubicka  <jh@suse.cz>
1761
1762         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1763         (cgraph_analyze_function): break out from ...
1764         (cgraph_finalize_compilation_unit): ... here.
1765         (cgraph_expand_function): Remove forgoten commented out line.
1766         (cgraph_optimize): Analyze functions.
1767
1768 2007-01-08  Jan Hubicka  <jh@suse.cz>
1769
1770         * tree-pas.h (TODO_remove_function): New flag.
1771         (TODO_update*): Renumber.
1772         (pass_ipa_increase_alignment,
1773         pass_ipa_function_and_variable_visibility): New passes.
1774         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1775         (cgraph_function_and_variable_visibility): Move to ipa.c
1776         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1777         cgraph_increase_alignment.
1778         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1779         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1780         calling tree-inline.
1781         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1782         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1783         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1784         (gate_increase_alignment): New function.
1785         (pass_ipa_increase_alignment): New pass.
1786         * ipa.c: Inline tree-pass.h and timevar.h
1787         (function_and_variable_visibility): Move here from cgraphunit.c
1788         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1789         * passes.c (init_optimization_passes): Add the two new passes.
1790         (execute_todo): Handle cgraph_remove_functions.
1791
1792 2007-01-08  Nick Clifton  <nickc@redhat.com>
1793
1794         * config/frv/predicates.md (reg_or_0_operand): Accept
1795         CONST_DOUBLEs.
1796
1797 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
1798
1799         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1800         * config.gcc: Add bfin*-rtems*.
1801
1802 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1803
1804         * c.opt: Add -flax-vector-conversions.
1805         * c-typeck.c (convert_for_assignment): Pass flag to
1806         vector_types_convertible_p to allow emission of note.
1807         (digest_init): Likewise.
1808         * c-opts.c: Handle -flax-vector-conversions.
1809         * c-common.c (flag_lax_vector_conversions): New.
1810         (vector_types_convertible_p): Unless -flax-vector conversions
1811         has been passed, disallow conversions between vectors with
1812         differing numbers of subparts and/or element types.  If such
1813         a conversion is disallowed, possibly emit a note on the first
1814         occasion only to inform the user of -flax-vector-conversions.
1815         The new last argument specifies this.
1816         * c-common.h (flag_lax_vector_conversions): New.
1817         (vector_types_convertible_p): Add extra argument.
1818         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1819         char_type_node for V*QI type vectors.
1820         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1821         Update to satisfy new typechecking rules.
1822         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1823         C and C++ variants.
1824         * doc/invoke.texi (C Dialect Options): Document
1825         -flax-vector-conversions.
1826
1827 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1828
1829         PR tree-optimization/29877
1830         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1831         a register variable on the RHS to not be replaceable.
1832
1833 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1834         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1835         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1836         const_simm15, const_pow2, const_npow2): Added.
1837         * config/score/misc.md (insv, extv, extzv, movmemsi,
1838         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1839         * config/score/score.c (score_address_cost, score_select_cc_mode):
1840         Added.
1841         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1842         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1843         Update score_print_operand.
1844         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1845         Adjust register allocate order and update some macro define.
1846         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1847         mdx_block_move_straight, mdx_block_move_loop_head,
1848         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1849         mdx_block_move): Added.
1850         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1851         mdp_limm): Updated and fix some bug and typo.
1852         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1853         (movsf, movdf, doloop_end): Added.
1854
1855 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1856
1857         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1858         config/arm/thumb2.md: Fix comment typos.
1859         * doc/extend.texi: Fix a typo.
1860
1861 2007-01-07  Eric Christopher  <echristo@apple.com>
1862
1863         * configure.ac: Check for __stack_chk_fail for darwin.
1864         * configure: Regenerate.
1865
1866 2007-01-07  Richard Guenther  <rguenther@suse.de>
1867
1868         * tree-vrp.c (extract_range_from_assert): CSE calls to
1869         compare_values where possible.
1870         (extract_range_from_unary_expr): Likewise.
1871
1872 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1873
1874         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1875         * config/avr/avr.c (call_insn_operand): Delete function.
1876         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1877         instead of register number. Use predicates.
1878         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1879         call_insn_operand): Add.
1880
1881 2007-01-06  Jan Hubicka  <jh@suse.cz>
1882
1883         * tree-pass.h (pass_build_cgraph_edges): Declare.
1884         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1885         (visited_nodes): Remove.
1886         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1887         build_cgrpah_edges; make visited_nodes local.
1888         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1889         (record_references_in_initializer): Move to cgraphbuild.c
1890         (initialize_inline_failed, rebuild_cgraph_edges,
1891         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1892         (verify_cgraph_node): Make visited_nodes local.
1893         (cgraph_analyze_function): Do not call cgraph_create_edges and
1894         initialize_inline_failed.
1895         (cgraph_expand_function): Do not call cgraph_lower_function;
1896         assert that function is already lowered.
1897         * Makefile.in (cgraphbuild.o): New.
1898         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1899         at the end of lowering passes.
1900
1901 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1902
1903         * ifcvt.c (cond_move_convert_if_block): New function, code
1904         factored out from...
1905         (cond_move_process_if_block): ...here.  Call the new function
1906         on the THEN and ELSE blocks.
1907         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1908         already takes care of this.
1909
1910 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1911
1912         PR c/19978
1913         * tree.h (TREE_OVERFLOW_P): New.
1914         * c-typeck.c (parser_build_unary_op): Warn only if result
1915         overflowed and operands did not.
1916         (parser_build_binary_op): Likewise.
1917         (convert_for_assignment): Remove redundant overflow_warning.
1918         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
1919
1920 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1921
1922         * c-typeck.c (store_init_value): Split over two lines to follow
1923         the GNU coding style.
1924
1925 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
1926
1927         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
1928         __GXX_EXPERIMENTAL_CXX0X__.
1929         * doc/cpp.texi: Same.
1930
1931 2007-01-05  Richard Guenther  <rguenther@suse.de>
1932
1933         PR middle-end/27826
1934         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1935         with mismatched types.  Instead explicitly build a
1936         conversion NOP_EXPR.
1937
1938 2007-01-05  Ian Lance Taylor  <iant@google.com>
1939
1940         * c-common.c (decl_with_nonnull_addr_p): New function.
1941         (c_common_truthvalue_conversion): Call it.
1942         * c-typeck.c (build_binary_op): Likewise.
1943         * c-common.h (decl_with_nonnull_addr_p): Declare.
1944
1945 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1946
1947         PR c/30360
1948         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1949         denom against 0.0.
1950
1951 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1952
1953         * doc/install.texi (Final install): Document the fact that
1954         the GNAT runtime should not be stripped.
1955
1956 2007-01-04  Jan Hubicka  <jh@suse.cz>
1957
1958         * tree-inline.c (fold_marked_statements): Update operand caches
1959         and EH after folding
1960
1961 2007-01-04  Ian Lance Taylor  <iant@google.com>
1962
1963         * c-common.c (check_function_nonnull): Whitespace fix.
1964
1965 2007-01-04  Jan Hubicka  <jh@suse.cz>
1966
1967         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1968         comitted older version of patch.
1969         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1970         function, celanup cfg and collect garbage.
1971
1972 2007-01-04  Mike Stump  <mrs@apple.com>
1973
1974         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1975         (clean): Likewise.
1976
1977 2007-01-04  Eric Christopher  <echristo@apple.com>
1978
1979         * libgcc2.c (__bswapsi2): Use SItype.
1980         (__bswapdi2): Use DItype.
1981         * libgcc2.h: Update for above.
1982
1983 2007-01-04  Paul Brook  <paul@codesourcery.com>
1984
1985         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1986         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1987         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1988         umulsidi3, umulsidi3adddi, smulsi3_highpart,
1989         umulsi3_highpart): Make conditional on !arm_arch6.
1990         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1991         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1992         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1993         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1994         umulsi3_highpart_v6): New insns.
1995
1996 2007-01-04  Roger Sayle  <roger@eyesopen.com>
1997
1998         * fold-const.c (fold_convert): When casting an expression to void,
1999         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2000         have a type.  Instead of attempting to build a NOP_EXPR, return
2001         these "special" trees directly.
2002
2003 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2004
2005         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2006         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2007         rs6000_cost->fp not 0 as adjustment for outer NEG.
2008
2009 2007-01-04  Jan Hubicka  <jh@suse.cz>
2010
2011         * cgraph.c (cgraph_release_function_body): New function.
2012         (cgraph_remove_node): Use it.
2013         * cgraph.h (cgraph_release_function_body): Declare.
2014         * cgraphunit.c (cgraph_expand_function): Use it.
2015         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2016         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2017         is initialized and while compilation of other function is running.
2018         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2019         statement CFG annotations from here to ...
2020         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2021
2022 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2023
2024         * cfgloop.h (enum li_flags): Make the constants powers of two.
2025
2026 2007-01-04  Jan Hubicka  <jh@suse.cz>
2027
2028         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2029         set.
2030         (fold_marked_statements): New function.
2031         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2032         * tree-inline.h (copy_body_data): Add statements_to_fold.
2033
2034 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2035
2036         * config.gcc: Mention libgcc/config.host.
2037         * Makefile.in: Update comments mentioning libgcc.
2038         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2039         (all.cross, start.encap, rest.encap, rest.cross): Update
2040         dependencies for libgcc move.
2041         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2042         (clean-target, clean-target-libgcc): Delete.
2043         (srcdirify, GCC_EXTRA_PARTS): New macros.
2044         (libgcc-support, libgcc.mvars): New rules.
2045         (distclean): Remove mention of mklibgcc.
2046         (install): Don't reference INSTALL_LIBGCC.
2047         (install-common): Don't reference EXTRA_PARTS.
2048         (install-libgcc, install-multilib): Delete rules.
2049         * mklibgcc.in: Delete file.
2050         * doc/configfiles.texi: Don't mention mklibgcc.
2051
2052         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2053         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2054         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2055         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2056         (mklibgcc, ldblspecs): Likewise.
2057
2058         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2059         (posixpre.def): Use $(T).
2060         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2061         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2062         (SHLIB_LINK): Make dummy.
2063         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2064
2065         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2066
2067         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2068         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2069         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2070         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2071
2072         * configure.ac (all_outputs): Remove mklibgcc.
2073         * configure: Regenerated.
2074
2075 2007-01-03  Josh Conner  <jconner@apple.com>
2076
2077         PR middle-end/29683
2078         * calls.c (compute_argument_addresses): Set stack and stack_slot
2079         for partial args, too.
2080         (store_one_arg): Use locate.size.constant for the size when
2081         generating a save_area.
2082
2083 2007-01-03  Robert Kennedy <jimbob@google.com>
2084
2085         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2086         whose definitions are deleted due to basic block merging.
2087
2088 2007-01-03  Paul Brook  <paul@codesourcery.com>
2089
2090         PR target/16634
2091         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2092         functions.
2093         (use_return_insn): Return 0 for Thumb interrupt functions.
2094         (print_multi_reg): Add rfe argument for IRQ returns.
2095         (arm_output_epilogue): Pop interrupt return address directly into PC.
2096         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2097
2098 2007-01-03  Paul Brook  <paul@codesourcery.com>
2099
2100         Merge from sourcerygxx-4_1.
2101         * config/arm/thumb2.md: New file.
2102         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2103         Thumb-2.
2104         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2105         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2106         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2107         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2108         tables.
2109         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2110         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2111         comptibility.
2112         * config/arm/ieee754-sf.S: Ditto.
2113         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2114         (thumb1_base_register_rtx_p): ... to this.
2115         (thumb_index_register_rtx_p): Rename...
2116         (thumb1_index_register_rtx_p): ... to this.
2117         (thumb_output_function_prologue): Rename...
2118         (thumb1_output_function_prologue): ... to this.
2119         (thumb_legitimate_address_p): Rename...
2120         (thumb1_legitimate_address_p): ... to this.
2121         (thumb_rtx_costs): Rename...
2122         (thumb1_rtx_costs): ... to this.
2123         (thumb_compute_save_reg_mask): Rename...
2124         (thumb1_compute_save_reg_mask): ... to this.
2125         (thumb_final_prescan_insn): Rename...
2126         (thumb1_final_prescan_insn): ... to this.
2127         (thumb_expand_epilogue): Rename...
2128         (thumb1_expand_epilogue): ... to this.
2129         (arm_unwind_emit_stm): Rename...
2130         (arm_unwind_emit_sequence): ... to this.
2131         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2132         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2133         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2134         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2135         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2136         thumb2_output_casesi): New functions.
2137         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2138         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2139         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2140         THUMB2_WORK_REGS): Define.
2141         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2142         arm_condexec_mask, arm_condexec_masklen)): New variables.
2143         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2144         (arm_override_options): Check new CPU capabilities.
2145         Set new architecture flag variables.
2146         (arm_isr_value): Handle v7m interrupt functions.
2147         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2148         Thumb-2.
2149         (const_ok_for_arm): Handle Thumb-2 constants.
2150         (arm_gen_constant): Ditto.  Use movw when available.
2151         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2152         functions.
2153         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2154         (thumb_find_work_register, arm_load_pic_register,
2155         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2156         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2157         print_multi_reg, output_mov_long_double_fpa_from_arm,
2158         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2159         output_mov_double_fpa_from_arm, output_move_double,
2160         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2161         output_return_instruction, arm_output_function_prologue,
2162         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2163         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2164         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2165         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2166         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2167         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2168         '!' and 'L'.
2169         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2170         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2171         (arm_file_start): Output directive for unified syntax.
2172         (arm_unwind_emit_set): Handle stack alignment instruction.
2173         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2174         Add v6t2, v7, v7a, v7r and v7m.
2175         (RETLDM): Add Thumb-2 code.
2176         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2177         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2178         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2179         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2180         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2181         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2182         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2183         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2184         ADJUST_INSN_LENGTH): Define.
2185         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2186         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2187         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2188         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2189         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2190         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2191         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2192         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2193         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2194         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2195         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2196         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2197         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2198         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2199         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2200         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2201         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2202         cortex-m3.
2203         * config/arm/arm-tune.md: Regenerate.
2204         * config/arm/arm-protos.h: Update prototypes.
2205         * config/arm/vfp.md: Enable patterns for Thumb-2.
2206         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2207         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2208         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2209         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2210         * config/arm/libunwind.S: Add Thumb-2 code.
2211         * config/arm/constraints.md: Update include Thumb-2.
2212         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2213         * config/arm/ieee754-df.S: Ditto.
2214         * config/arm/bpabi.S: Ditto.
2215         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2216         * config/arm/predicates.md (low_register_operand,
2217         low_reg_or_int_operand, thumb_16bit_operator): New.
2218         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2219         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2220         * config/arm/t-arm-elf: Add armv7 multilib.
2221         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2222         Include thumb2.md.
2223         (UNSPEC_STACK_ALIGN, ce_count): New.
2224         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2225         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2226         insns/expanders.
2227         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2228         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2229         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2230         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2231         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2232         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2233         insns.
2234         * doc/extend.texi: Document ARMv7-M interrupt functions.
2235         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2236
2237 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2238
2239         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2240         (struct _Unwind_Context): Rename args_size to flags, remove
2241         signal_frame field, add a new args_size field and version field.
2242         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2243         _Unwind_IsExtendedContext): New inline functions.
2244         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2245         Assume by_value array is only present if _Unwind_IsExtendedContext.
2246         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2247         _Unwind_IsSignalFrame.
2248         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2249         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2250         (uw_init_context_1): Initialize context->flags to
2251         EXTENDED_CONTEXT_BIT.
2252         * config/rs6000/linux-unwind.h (frob_update_context): Use
2253         _Unwind_SetSignalFrame.
2254
2255 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2256
2257         PR middle-end/30353
2258         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2259         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2260         the value.
2261
2262 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2263
2264         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2265         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2266         RET, AT_SP): Remove.
2267         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2268         instead of RET.
2269
2270         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2271         * cfgbuild.c (find_basic_blocks): Likewise.
2272         * cfgrtl.c (rtl_create_basic_block): Likewise.
2273         * function.c (temp_slots_at_level): Likewise.
2274         * reg-stack.c (stack_regs_mentioned): Likewise.
2275         * regclass.c (allocate_reg_info): Likewise.
2276         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2277         set_bb_for_stmt, move_block_to_fn): Likewise.
2278         * tree-complex.c (tree_lower_complex): Likewise.
2279         * vec.h (VEC_safe_grow_cleared): New.
2280
2281         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2282
2283 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2284
2285         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2286         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2287         to loop_version.
2288         * cfgloopmanip.c (scale_loop_frequencies): Export.
2289         (loopify): Scale the frequencies by prescribed coefficients.
2290         (set_zero_probability): New function.
2291         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2292         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2293         and frequencies according to arguments.
2294         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2295         correctly.
2296         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2297         * modulo-sched.c (sms_schedule): Set probabilities for entering
2298         versioned loop correctly.
2299         * tree-vect-transform.c (vect_transform_loop): Ditto.
2300         * cfgloop.h (loopify, loop_version): Declaration changed.
2301         (scale_loop_frequencies): Declared.
2302
2303 2007-01-02  Jan Hubicka  <jh@suse.cz>
2304
2305         * cgraph.c: Include tree-flow.h
2306         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2307         early_local_passes.
2308         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2309         * tree-pass.h (pass_all_early_optimizations): Declare.
2310         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2311         early_local_passes.
2312         (cgraph_analyze_function): Do early_local_passes.
2313         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2314         Do not add referenced vars.
2315         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2316         SSA form.
2317         (gate_all_early_local_passes): New gate.
2318         (pass_early_local_passes): Use new gate.
2319         (execute_early_local_optimizations): New functions.
2320         (gate_all_early_optimizations): New gate.
2321         (pass_all_early_optimizations): New pass.
2322         (execute_free_datastructures): Free SSA only when initialized.
2323         (gate_init_datastructures): Init only when optimizing.
2324         (tree_lowering_passes): Do early local passes when called late.
2325         * tree-profile.c (do_tree_profiling): Don't profile functions added
2326         late.
2327         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2328         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2329         not active.
2330         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2331         during early_local_passes.
2332         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2333
2334
2335 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2336
2337         * Makefile.in: Update copyright year.
2338
2339 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2340
2341         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2342         in $(lang_checks) and check-consistency targets.
2343
2344 2007-01-02  Jan Hubicka  <jh@suse.cz>
2345
2346         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2347         Do not add referenced vars.
2348         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2349         are not active.
2350         * passes.c (init_optimization_passes): Put mudflap_2 after
2351         free_datastructures.
2352
2353 2007-01-02  Jan Hubicka  <jh@suse.cz>
2354
2355         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2356         Set NOTHROW flag on call statements proved to be nothrow.
2357         Update statement of local calls so new pure/const functions are
2358         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2359         goto receivers.
2360         (tree_rest_of_compilation): Register hooks and initialize bitmap
2361         early. Do not set after_inlining flag.
2362
2363 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2364
2365         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2366         HOST_BITS_PER_LONGLONG
2367
2368 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2369
2370         PR c/19977
2371         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2372         warning for non-static initializers.
2373
2374 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2375
2376         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2377         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2378         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2379         Always use set_unique_reg_note to add REG_EQUAL notes.
2380
2381 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2382
2383         Revert:
2384         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2385
2386         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2387         * cfgbuild.c (find_basic_blocks): Likewise.
2388         * cfgrtl.c (rtl_create_basic_block): Likewise.
2389         * function.c (temp_slots_at_level): Likewise.
2390         * reg-stack.c (stack_regs_mentioned): Likewise.
2391         * regclass.c (allocate_reg_info): Likewise.
2392         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2393         set_bb_for_stmt, move_block_to_fn): Likewise.
2394         * tree-complex.c (tree_lower_complex): Likewise.
2395         * vec.h (VEC_safe_grow_cleared): New.
2396
2397 2007-01-02  Ian Lance Taylor  <iant@google.com>
2398
2399         * c-common.c (c_common_truthvalue_conversion): When warning about
2400         using an assignment as a truth value, set TREE_NO_WARNING.
2401
2402 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2403
2404         PR middle-end/7651
2405         * c.opt (Wold-style-declaration): New.
2406         * doc/invoke.texi (C-only Warning Options): New.
2407         (Wold-style-declaration): Document it.
2408         (Wextra): Enabled by -Wextra.
2409         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2410         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2411         -Wold-style-declaration.
2412
2413 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2414
2415         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2416         * cfgbuild.c (find_basic_blocks): Likewise.
2417         * cfgrtl.c (rtl_create_basic_block): Likewise.
2418         * function.c (temp_slots_at_level): Likewise.
2419         * reg-stack.c (stack_regs_mentioned): Likewise.
2420         * regclass.c (allocate_reg_info): Likewise.
2421         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2422         set_bb_for_stmt, move_block_to_fn): Likewise.
2423         * tree-complex.c (tree_lower_complex): Likewise.
2424         * vec.h (VEC_safe_grow_cleared): New.
2425
2426 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2427
2428         * c-common.c(c_common_nodes_and_builtins): Since variants of
2429         void_type_node get built before it is given a name, we need to
2430         give those variants the name, too.
2431         (complete_array_type): We need to work with the canonical main
2432         type of the array, from which we will build the qualified version.
2433         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
2434         * print-tree.c (print_node): Display canonical type information
2435         for each type.
2436         * stor-layout.c (layout_type): When we don't know the
2437         alignment of a type for which we're building an array, we end up
2438         guessing wrong, so make the type require structural equality.
2439         * tree.c (make_node_stat): When we build a new type, it is its
2440         own canonical type.
2441         (build_type_attribute_qual_variant): When building an attribute
2442         variant, its canonical type is the non-attribute variant. However,
2443         if the attributes are target-dependent and they differ, we need to
2444         use structural equality checks for this type.
2445         (build_qualified_type): A qualified type is not equivalent to its
2446         unqualified variant; set the canonical type appropriately.
2447         (build_distinct_type_copy): When building a distinct type from
2448         another type, the new type is its own canonical type.
2449         (build_variant_type_copy): When building a new type variant, we
2450         assume that it is equivalent to the original type.
2451         (build_pointer_type_for_mode): When building a pointer type, also
2452         build a canonical type pointer.
2453         (build_reference_type_for_mode): When building a reference type,
2454         also build a canonical type reference.
2455         (build_index_type): When we can't hash an index type (e.g.,
2456         because its maximum value is negative), the index type requires
2457         structural equality tests.
2458         (build_array_type): Build the canonical form of an array type.
2459         (build_function_type): Function types require structural equality,
2460         because they contain default arguments, attributes, etc.
2461         (build_method_type_directly): Ditto for method types.
2462         (build_offset_type): Build the canonical offset type.
2463         (build_complex_type): Build the canonical vector type.
2464         (make_vector_type): Build the canonical vector type.
2465         * tree.h (TYPE_CANONICAL): New.
2466         (TYPE_STRUCTURAL_EQUALITY_P): New.
2467         (SET_TYPE_STRUCTURAL_EQUALITY): New.
2468         (struct tree_type): Added "canonical" field.
2469         * params.h (VERIFY_CANONICAL_TYPES): New.
2470         * doc/c-tree.texi (TYPE_CANONICAL): Document.
2471         (TYPE_STRUCTURAL_EQUALITY_P): Document.
2472         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
2473         * doc/invoke.texi (verify-canonical-types): Document --param
2474         parameter for verifying canonical types.
2475
2476 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2477
2478         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
2479         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2480         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2481         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2482         tm_file.
2483         * config/rs6000/e500.h: New.
2484         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2485         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2486         Remove.
2487         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2488         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2489         TARGET_E500_DOUBLE): Remove.
2490         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2491         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2492         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2493         * config/rs6000/rs6000.c (rs6000_override_options): Use
2494         CHECK_E500_OPTIONS.
2495
2496 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2497
2498         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2499         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2500         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2501         rs6000_emit_cmove): Don't check TARGET_E500.
2502         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2503         sordered): Don't check TARGET_E500.
2504
2505 2007-01-01  Eric Christopher  <echristo@apple.com>
2506
2507         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2508         HARD_REGISTER_NUM_P.
2509
2510 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2511
2512         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2513         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2514         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2515         eq/ne Y".
2516
2517 2007-01-01  Mike Stump  <mrs@apple.com>
2518
2519         * configure.ac: Remove support for building with Apple's gcc-3.1.
2520
2521 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2522
2523         PR middle-end/30311
2524         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2525         REG is a hard register.  Do not modify REG before calling
2526         subreg_nregs.
2527         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2528         multiple of the size of YMODE for certain lowpart cases.
2529
2530 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2531
2532         PR middle-end/30253
2533         * gimplify (voidify_wrapper_expr): Update for
2534         GIMPLE_MODIFY_STMT.
2535
2536 2007-01-01  Andreas Schwab  <schwab@suse.de>
2537
2538         PR target/29166
2539         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2540         save of BR0 in extra_spill_size instead of spill_size.
2541         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2542         area.
2543         (ia64_expand_epilogue): Restore BR0 from its new location.
2544
2545 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2546
2547         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
2548         Use a temporary variable if the left hand side is not a gimple
2549         register.
2550
2551 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2552
2553         * gimplify.c (gimplify_return_expr): Make the temporary variable
2554         for the return expression, a gimple register variable.
2555
2556 2007-01-01  Jan Hubicka  <jh@suse.cz>
2557
2558         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
2559         INSN_LIST.
2560
2561 2007-01-01  Mike Stump  <mrs@apple.com>
2562
2563         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
2564         .literal16.
2565         * config/darwin.c (machopic_select_rtx_section): Use
2566         HAVE_GAS_LITERAL16.
2567         (darwin_mergeable_constant_section): Likewise.
2568         * configure: Regenerate.
2569         * config.in: Regenerate.
2570
2571 2007-01-01  Jan Hubicka  <jh@suse.cz>
2572             Andrew Pinski  <pinskia@gmail.com>
2573
2574         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
2575         before starting IPA passes.