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* expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-01-19  Ian Lance Taylor  <iant@google.com>
2
3         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4         constant to unsigned HOST_WIDE_INT before negating.
5
6 2007-01-19  Ian Lance Taylor  <iant@google.com>
7
8         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9         to unsigned.
10         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
11         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
12         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
13         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
14         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
15         (realloc_vdef, realloc_vuse): Change second parameter to
16         unsigned.
17         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
18         fields to unsigned.
19         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
20         unsigned. Change x and lim locals to unsigned.
21         (realloc_vdef, realloc_vuse): Change num_elem parameter to
22         unsigned.
23         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
24         (copy_virtual_operands): Change i and n locals to unsigned.
25
26 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
27
28         PR middle-end/29335
29         * builtins.c (fold_builtin_1): Handle builtin fdim.
30
31 2007-01-20  Jan Hubicka  <jh@suse.cz>
32
33         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
34         * tree-ssa-structalias.c (compute_points_to_sets): Do call
35         init_alias_heapvars.
36         (init_alias_heapvars): Initialize only when not already initialized.
37         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
38
39 2007-01-19  Roger Sayle  <roger@eyesopen.com>
40
41         * common.opt (fsigned-zeros): New command line option.
42         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
43         of flag_unsafe_math_optimizations.
44         * opts.c (set_fast_math_flags): The -ffast-math command line option
45         implies -fno-signed-zeros.
46         (fast_math_flags_set_p): Likewise.
47
48         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
49         the documentation of -ffast-math appropriately.  Wrap long lines.
50
51 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
52
53         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
54         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
55
56 2007-01-19  Tomas Bily  <tbily@suse.cz>
57
58         * cgraphunit.c (cgraph_finalize_function): Updating of pid
59         * tree-profile.c:
60         (tree_init_ic_make_global_vars): New function
61         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
62         (tree_gen_ic_profiler): New function
63         (tree_gen_ic_func_profiler): New function
64         (tree_profiling): Added calling of tree_gen_ic_func_profiler
65         (tree_profile_hooks): Added hook for indirec/virtual calls
66         * value-prof.c (tree_find_values_to_profile): New case for
67         indirect calls
68         (tree_values_to_profile): Call for determining indirect/virtual
69         counters
70         (tree_indirect_call_to_profile): New function
71         (tree_ic_transform): New function
72         (tree_ic): New function
73         (find_func_by_pid): New function
74         (init_pid_map): New function
75         (tree_value_profile_transformations): Added check for
76         indirect/virtual call transformation
77         * value-prof.h (enum hist_type): New counter type for
78         indirect/virtual calls
79         (profile_hooks): Added new hook for profiling indirect/virtual
80         calls
81         * profile.c (instrument_values): New case for indirect/virtual
82         call added
83         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
84         (GCOV_COUNTER_V_INDIR): New counter type
85         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
86         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
87         call added
88         * cgraph.c: Definition of cgraph_max_pid
89         (cgraph_create_node): Default init of pid attribute
90         * cgraph.h: Declaration of cgraph_max_pid
91         (struct cgraph_node): Added pid attribute
92         * libgcov.c (__gcov_indirect_call_profiler): New function
93         (__gcov_one_value_profiler_body): New function
94         (__gcov_one_value_profiler): Body was moved to
95         __gcov_one_value_profiler_body and calls it
96
97 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
98
99         * doc/gty.texi (Options): Document the mark_hook option to
100         GTY.
101         * gcc/gengtype.c (write_types_data, write_func_for_structure,
102         write_types, ggc_wtd, pch_wtd): Added skip_hooks to
103         write_types_data, ggc_wtd, pch_wtd for mark_hook.
104         (walk_type, write_func_for_structure): Generate the mark_hook if
105         needed.
106
107 2007-01-19  Jan Hubicka  <jh@suse.cz>
108
109         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of 'early' argument
110         take inlining mode argument specifying whether to inline for size/speeed or all
111         functions; add support for flattening; improve dumpting.
112         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
113
114 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
115
116         PR c++/17947
117         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
118         the name of the declared identifier.
119                 
120 2007-01-19  Dirk Mueller  <dmueller@suse.de>
121
122         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
123         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
124         duplicate evaluation.
125
126 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
127
128         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
129         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
130         to XFMode, use acosxf2 and truncate result to requested mode.
131         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
132         (asin<mode>2): Similarly, with asin expanders.
133         (*fscalexf4_i387): Rename from *fscalexf4.
134         (expNcorexf3): New expander.
135         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
136         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
137         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
138         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
139         patterns for SSE math.
140         (exp10<mode>2): Similarly, with exp10 expanders.
141         (exp2<mode>2): Similarly, with exp2 expanders.
142         (expm1<mode>2): Similarly, with expm1 expanders.
143         (ldexp<mode>3): Similarly, with ldexp expanders.
144         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
145         Use gen_truncxf<mode>2_i387_noop to truncate result.
146
147 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
148
149         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
150         for ColdFire targets.
151
152 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
153             Richard Sandiford  <richard@codesourcery.com>
154
155         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
156         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
157         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
158         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
159         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
160         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
161
162 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
163
164         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
165         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
166         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
167         (*adddi_dilshr32_cf): New pattern.
168         (adddi3, subdi3): Remove first alternatives.
169
170 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
171
172         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
173         implemented using move.l, do not use its cc result for floating-point
174         comparisons.
175
176 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
177
178         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
179         from accepting 's' constraints if flag_pic.
180
181 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
182
183         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
184         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
185         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
186         condition from TARGET_68881 to TARGET_HARD_FLOAT.
187
188 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
189
190         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
191         ColdFire alternatives.
192         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
193         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
194         architectures that support ff1 instruction.
195
196 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
197             Julian Brown  <julian@codesourcery.com>
198
199         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
200         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
201         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
202         Add commentary.
203
204 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
205
206         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
207         and return a bool.
208         (output_move_const_into_data_reg, output_move_simode_const): Delete.
209         * config/m68k/m68k.c (const_method, const_int_cost): Take a
210         HOST_WIDE_INT instead of an rtx.
211         (m68k_rtx_costs): Update call accordingly.
212         (output_move_const_into_data_reg): Likewise.  Fix formatting.
213         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
214         Return a bool.
215         (output_move_simode_const): Update calls after above changes.
216         Rework to use automatic variables and predicates like MEM_P.
217         * config/m68k/m68k.md (pushexthisi_const): Update call to
218         valid_mov3q_const.
219
220 2007-01-19  Dirk Mueller  <dmueller@suse.de>
221
222         * tree-ssa-alias.c (perform_var_substitution): Fix typo
223         in dump_flags test.
224
225 2007-01-19  Richard Guenther  <rguenther@suse.de>
226
227         * builtins.c (expand_builtin_cexpi): Fall back to expanding
228         via cexp in case sincos is not available.
229
230 2007-01-19  Richard Guenther  <rguenther@suse.de>
231
232         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
233         * defaults.h (TARGET_HAS_SINCOS): Default to off.
234         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
235         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
236         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
237         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
238         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
239         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
240
241 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
242
243         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
244         New insn patterns.
245         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
246         (atan2xf3): Directly generate RTL pattern.
247         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
248         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
249         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
250         disable patterns for SSE math.
251         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
252         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
253         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
254         disable patterns for SSE math.
255
256 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
257
258         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
259
260 2007-01-18  Roger Sayle  <roger@eyesopen.com>
261
262         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
263         VIEW_CONVERT_EXPR to the same type as it's operand.
264
265 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
266
267         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
268         configured for long double 128.
269
270 2007-01-18  Mike Stump  <mrs@apple.com>
271
272         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
273         error.
274
275 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
276
277         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
278         type correct.
279
280 2007-01-18  Jan Hubicka  <jh@suse.cz>
281
282         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
283         greater than NUM_VOP_FREE_BUCKETS.
284
285 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
286
287         * tree-ssa-structalias.c: Update comments.
288         (ptabitmap_obstack): Removed.
289         (pta_obstack): New.
290         (oldpta_obstack): Ditto.
291         (stats): Add a few members.
292         (struct variable_info): Remove node, complex, address_taken, and
293         indirect_target members. Add oldsolution member.
294         (new_var_info): Do not initialize removed members.
295         (constraint_expr_type): Remove INCLUDES.
296         (constraint_graph): Add size, implicit_preds, rep,
297         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
298         (FIRST_REF_NODE): New macro.
299         (LAST_REF_NODE): Ditto.
300         (FIRST_ADDR_NODE): Ditto.
301         (find): New function.
302         (unite): Ditto.
303         (dump_constraint): Do not handle INCLUDES.
304         (insert_into_complex): Do not insert duplicate constraints.
305         (condense_varmap_nodes): Renamed and rewritten into ...
306         (merge_node_constraints): This. Also fix bug in handling of
307         offseted copy constraints.
308         (clear_edges_for_node): No longer need to deal with preds at all,
309         or removing associated preds/succs. 
310         (merge_graph_nodes): Deal with indirect_cycles.
311         Don't deal with predecessors.
312         (add_implicit_graph_edge): New function.
313         (add_pred_graph_edge): Ditto.
314         (add_graph_edge): Don't deal with predecessors.
315         (build_constraint_graph): Removed.
316         (build_pred_graph): New function.
317         (build_succ_graph): Ditto.
318         (struct scc_info): Removed in_component. Added roots, dfs, and
319         node_mapping. Remove visited_index, unification_queue.
320         (scc_visit): Deal with union-find we do now.
321         Deal with cycles with REF nodes.
322         (collapse_nodes): Renamed and rewritten to ...
323         (unify_nodes): This.
324         (process_unification_queue): Removed.
325         (topo_visit): Cleanup
326         (do_da_constraint): Use find.
327         (do_sd_constraint): Ditto.
328         (do_ds_constraint): Ditto.
329         (do_complex_constraint): Ditto.
330         (init_scc_info): Update for removed and added members.
331         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
332         (find_indirect_cycles): This.
333         (equivalence_class): New variable.
334         (label_visit): New function.
335         (perform_variable_substitution): Rewritten.
336         (free_var_substitution_info): New function.
337         (find_equivalent_node): Ditto.
338         (move_complex_constraints): Ditto.
339         (eliminate_indirect_cycles): Ditto.
340         (solve_graph): Only propagate changed bits.
341         Use indirect cycle elimination.
342         Use find.
343         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
344         (tree_id_eq): Renamed to ...
345         (tree_vi_eq): This. Update for member change
346         (insert_id_for_tree): Renamed and rewritten to ...
347         (insert_vi_for_tree): This.
348         (lookup_id_for_tree): Renamed and rewritten to ...
349         (lookup_vi_for_tree): This.
350         (get_id_for_tree): Renamed and rewritten to ...
351         (get_vi_for_tree): Ditto.
352         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
353         (process_constraint): Don't handle INCLUDES.
354         Remove special ADDRESSOF case.
355         (find_func_aliases): Rewrite to use vi functions instead of id
356         ones.
357         (create_function_info_for): Ditto.
358         (create_variable_info_for): Ditto.
359         (intra_create_variable_infos): Ditto.
360         (merge_smts_into): Ditto.
361         (find_what_p_points_to): Ditto.
362         (init_base_vars): Ditto.
363         (init_alias_vars): Ditto.
364         (remove_preds_and_fake_succs): New function.
365         (dump_sa_points_to_info): Dump new stats.
366         (dump_solution_for_var): Use find.
367         (set_used_smts): Fix formatting.
368         (compute_points_to_sets): Updated for new functions.
369         (ipa_pta_execute): Ditto.
370
371 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
372             Richard Sandiford  <richard@codesourcery.com>
373
374         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
375         parallels.
376         * calls.c (expand_call): If the return value is a PARALLEL,
377         extract its first member.
378         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
379         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
380         use FUNCTION_EXTRA_EPILOGUE.
381         (m68k_function_value): Return a PARALLEL if the return value
382         is of a pointer type.
383         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
384         (FUNCTION_EXTRA_EPILOGUE): Remove.
385         * config/m68k/m68k.md (D0_REG): New constant.
386
387 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
388
389         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
390         output a NOP for empty epilogues.
391
392 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
393
394         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
395         before function.  Extend register save check to include all
396         registers, not just integer ones.
397
398 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
399
400         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
401         (m68k_use_return_insn): ...this.
402         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
403         * config/m68k/m68k.c (use_return_insn): Rename to...
404         (m68k_use_return_insn): ...this.
405         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
406         of USE_RETURN_INSN.
407
408 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
409
410         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
411         nearest even, fix denormal rounding overflow.
412
413 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
414
415         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
416         f%$smove and f%$move.
417         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
418         (extendsfdf2_cf): Use fdmove instead of f%&move.
419         (truncdfsf2_cf): Use fsmove instead of f%$smove.
420         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
421
422 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
423
424         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
425         GPR<-GPR moves.
426
427 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
428
429         * real.h (real_format): Add a canonical_nan_lsbs_set field.
430         (coldfire_single_format): Declare.
431         (coldfire_double_format): Likewise.
432         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
433         of qnan_msb_set to determine the lower bits of a canonical
434         NaN significand.
435         (encode_ieee_double): Likewise.
436         (encode_ieee_quad): Likewise.
437         (ieee_single_format): Initialize canonical_nan_lsbs_set.
438         (mips_single_format): Likewise.
439         (ieee_double_format): Likewise.
440         (mips_double_format): Likewise.
441         (ieee_extended_motorola_format): Likewise.
442         (ieee_extended_intel_96_format): Likewise.
443         (ieee_extended_intel_128_format): Likewise.
444         (ieee_extended_intel_96_round_53_format): Likewise.
445         (ibm_extended_format): Likewise.
446         (mips_extended_format): Likewise.
447         (ieee_quad_format): Likewise.
448         (mips_quad_format): Likewise.
449         (vax_f_format): Likewise.
450         (vax_d_format): Likewise.
451         (vax_g_format): Likewise.
452         (i370_single_format): Likewise.
453         (i370_double_format): Likewise.
454         (decimal_single_format): Likewise.
455         (decimal_double_format): Likewise.
456         (decimal_quad_format): Likewise.
457         (c4x_single_format): Likewise.
458         (c4x_extended_format): Likewise.
459         (real_internal_format): Likewise.
460         (coldfire_single_format): New real_format.
461         (coldfire_double_format): Likewise.
462         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
463         canonical_nan_lsbs_set.
464         (pdp11_d_format): Likewise.
465         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
466         if TARGET_COLDFIRE_CPU.
467
468 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
469
470         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
471         (output_call, m68k_legitimize_call_address): Declare.
472         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
473         parenthesees.  Add support for a 'W' constraint.
474         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
475         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
476         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
477         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
478         variables.
479         (override_options): Initialize them.  Do not set flag_no_function_cse
480         for TARGET_ID_SHARED_LIBRARY.
481         (m68k_output_pic_call): Delete.
482         (m68k_legitimize_call_address): New function.
483         (print_operand): Remove the %o prefix.  Handle the %p prefix.
484         (output_call): New function.
485         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
486         target address from the GOT if symbolic jumps are not allowed.
487         * config/m68k/m68k.md (call, general_operand): Do not set
488         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
489         Merge separate flag_pic and !flag_pic define_insns into...
490         (*call, *call_value): ...these new patterns.  Match the address
491         rather than the containing MEM and require it to be a call_operand.
492         Use output_call to generate the asm template.
493         * config/m68k/predicates.md (const_call_operand): New predicate.
494         (call_operand): Likewise.
495
496 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
497
498         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
499         (STACK_GROWS_DOWNWARD): Define to 1.
500         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
501         comments, emphasizing that these values are only defaults.
502         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
503         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
504
505 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
506
507         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
508
509 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
510             Richard Sandiford  <richard@codesourcery.com>
511
512         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
513         (FP_REGNO_P): New macros.
514         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
515         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
516         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
517         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
518
519 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
520
521         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
522         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
523         to $tmake_file.
524         * config/m68k/t-floatlib: New file, extracting common code from...
525         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
526         * config/m68k/t-uclinux: Here.
527         * config/m68k/fpgnulib.c: Do not compile extendeed precision
528         routines on ColdFire targets.
529
530 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
531
532         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
533         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
534         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
535         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
536         explicitly set MOTOROLA to 1.
537         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
538
539 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
540             Nathan Sidwell  <nathan@codesourcery.com>
541
542         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
543         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
544         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
545         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
546         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
547         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
548         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
549         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
550         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
551         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
552         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
553         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
554         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
555         (DBX_REGISTER_NUMBER): Delete.
556         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
557         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
558         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
559
560 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
561
562         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
563         * config/flat.h: New file.
564         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
565         OBJECT_FORMAT_FLAT.
566         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
567         indirect references for -msep-data or -mid-shared-library.
568         Do not use PC-relative code addresses either.
569         * config/m68k/m68k.c (override_options): Restrict -fPIC error
570         to -mpcrel.
571         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
572         for shared libraries and crt1.o for executables.  Use crti.o and
573         crtbegin.o.
574         (ENDFILE_SPEC): Use crtend.o and crtn.o.
575         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
576         Do not add -elf2flt or -shared-lib-id options here.
577         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
578         Pass -shared-lib-id if -mid-shared-library, taking the library
579         identifier from -mshared-library-id if given, otherwise
580         defaulting to 0.
581         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
582         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
583         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
584         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
585         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
586         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
587         and crtend.o.
588         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
589         jump sequence for ISA A and ISA A+.
590         (PICJUMP): Likewise.
591
592 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
593
594         * config.gcc (m68k-*-uclinux*): Base the port on the common
595         and m68k GNU/Linux files rather than on the generic ELF ones.
596         * config/m68k/uclinux.h (TARGET_VERSION): Override.
597         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
598
599 2007-01-18  Julian Brown  <julian@codesourcery.com>
600             Richard Sandiford  <richard@codesourcery.com>
601
602         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
603         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
604         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
605         before redefining.
606         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
607         80 unconditionally.
608         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
609
610 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
611
612         * doc/install.texi: Document m68k-uclinuxoldabi.
613         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
614         * config/m68k/uclinux-oldabi.h: New file, copied from
615         config/m68k/uclinux.h.
616
617 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
618
619         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
620         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
621         (m32r_compute_frame_size): Use unsigned for regno.
622         (m32r_reload_lr): Use gen_frame_mem.
623         (pop): New.
624         (m32r_output_function_epilogue): Don't output the function epilogue
625         textually here.
626         (m32r_expand_epilogue): New.
627         (direct_return): Return false if the function has the interrupt
628         attribute.
629         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
630         * config/m32r/m32r.md (epilogue): New expander.
631         (return_lr, return_rte): New insns.
632         (return): Make it expander.
633         (return_normal): New expander.
634
635 2007-01-18  Josh Conner  <jconner@apple.com>
636
637         PR target/30485
638         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
639         support for UNLE, UNLT, UNGE, and UNGT.
640
641 2007-01-18  Jan Hubicka  <jh@suse.cz>
642
643         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
644         * tree-tailcall (add_virtual_phis): Likewise.
645         (optimize_tail_call): Return TODOs.
646         (execute_tail_calls): Return TODOs.
647         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
648         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
649         changed.
650         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
651         Cleanup cfg using TODO.
652         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
653         * passes.c (execute_function_todo): When cleanup did something, remove
654         unused locals.
655         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
656         (make_edges): Don't cleanup_cfg.
657
658 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
659
660         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
661         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
662         operate on the top of stack.
663         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
664         register handling of instructions that output to the second
665         stack slot.
666         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
667         (move_for_stack_reg): Special-case check for dead destination
668         stack slot for constant load of 1.0 inside UNSPEC_TAN.
669
670         * config/i386/i386.md (UNSPEC_TAN): New constant.
671         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
672         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
673         to correctly model move of constant 1.0 to top stack slot.
674         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
675         (unnamed peephole2 pattern): Remove corresponding peephole2
676         pattern that optimizes tan insn and loading of constant 1.0.
677         (tanxf2): Use fptanxf4_i387.
678         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
679         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
680         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
681         disable patterns for SSE math.
682         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
683         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
684
685 2007-01-18  Dirk Mueller  <dmueller@suse.de>
686             Richard Guenther <rguenther@suse.de>
687
688         PR diagnostic/8268
689         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
690         * common.opt (Warray-bounds): Add new warning option.
691         * c-opts.c (c_common_handle_option): Define -Warray-bounds
692         if -Wall is given.
693         * Makefile.in: make tree-vrp.o depend on toplev.h
694         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
695         is enabled.
696         (check_array_refs, check_array_bounds, check_array_ref): New.
697
698 2007-01-18  Jan Hubicka  <jh@suse.cz>
699
700         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
701         (execute_ssa_ccp): Return flags conditionally.
702         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
703         changed.
704         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
705
706 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
707
708         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
709         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
710
711         * Makefile.c (GTFILES): Add cfglayout.h.
712         * gengtype.c (open_base_files): Likewise.
713         * cfglayout.c (cfg_layout_function_footer,
714         cfg_layout_function_header) Reindent to make gengtype happy.
715         * cfglayout.h (cfg_layout_function_footer,
716         cfg_layout_function_header): Add GTY(()) marker.
717
718         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
719
720 2007-01-18  Ben Elliston  <bje@au.ibm.com>
721
722         * genautomata.c (write_automata): Include xstrerror output in the
723         error message if writing the DFA description file fails.
724
725 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
726
727         * config/mips/mips-protos.h (mips_output_external): Make it
728         return void.
729         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
730         * config/mips/mips.c (irix_output_external_libcall): Likewise.
731         (extern_list): Likewise.
732         (extern_head): Likewise.
733         (TARGET_ASM_FILE_END): Likewise.
734         (mips_file_end): Likewise.
735         (mips_output_external): Rewritten.
736
737 2007-01-18  Ben Elliston  <bje@au.ibm.com>
738
739         * genpreds.c (write_insn_preds_c): Only write out the function
740         body for regclass_for_constraint if we have register constraints.
741
742 2007-01-17  Tom Tromey  <tromey@redhat.com>
743
744         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
745         * doc/install.texi (Testing): Use sourceware.org.
746         (Binaries): Likewise.
747         (Specific): Likewise.
748         * doc/contrib.texi (Contributors): Use sourceware.org.
749
750 2007-01-17  Anatoly Sokolov <aesok@post.ru>
751
752         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
753         (AVR_ENHANCED): Rename to ...
754         (AVR_HAVE_MUL): ... new.
755         (avr_enhanced_p): Rename to ...
756         (avr_have_mul_p): ... new.
757         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
758         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
759         * config/avr/avr.c (avr_enhanced_p): Rename to ...
760         (avr_have_mul_p): ... new.
761         (base_arch_s): Rename 'enhanced' to 'have_mul'.
762         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
763         'avr_enhanced_p' and 'enhanced'.
764         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
765         AVR_HAVE_MUL instead of AVR_ENHANCED.
766         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
767         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
768         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
769         instead of AVR_ENHANCED.
770         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
771         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
772         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
773
774 2007-01-17  Ian Lance Taylor  <iant@google.com>
775
776         * vec.h (VEC_reserve_exact): Define.
777         (vec_gc_p_reserve_exact): Declare.
778         (vec_gc_o_reserve_exact): Declare.
779         (vec_heap_p_reserve_exact): Declare.
780         (vec_heap_o_reserve_exact): Declare.
781         (VEC_OP (T,A,reserve_exact)): New static inline function, three
782         versions.
783         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
784         negative parameter.
785         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
786         (VEC_OP (T,A,copy)) [all versions]: Likewise.
787         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
788         * vec.c (calculate_allocation): Add exact parameter.  Change all
789         callers.
790         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
791         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
792         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
793         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
794         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
795         (vec_heap_p_reserve_exact): New function.
796         (vec_heap_o_reserve_exact): New function.
797
798 2007-01-17  Jan Hubicka  <jh@suse.cz>
799
800         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
801
802 2007-01-17  Eric Christopher  <echristo@apple.com>
803
804         * config.gcc: Support core2 processor.
805
806 2007-01-16  Jan Hubicka  <jh@suse.cz>
807
808         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
809         the names, just unlink the chain so we don't crash on dangling pointers
810         to dead SSA names.
811
812 2007-01-16  Jan Hubicka  <jh@suse.cz>
813
814         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
815         * tree-pass.h: Reorder to make IPA passes appear toegher.
816         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
817         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
818         parameters, do not call early inliner.
819         * ipa-inline.c: Update comments.  Include tree-flow.h
820         (cgraph_decide_inlining): Do not compute inlining parameters.
821         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
822         be called with function context set up.
823         (pass_ipa_inline): Remove unreachable functions before pass.
824         (cgraph_early_inlining): Simplify assuming to be called from the
825         PM as local pass.
826         (pass_early_inline): New pass.
827         (cgraph_gate_ipa_early_inlining): New gate.
828         (pass_ipa_early_inline): Turn into simple wrapper.
829         (compute_inline_parameters): New function.
830         (gate_inline_passes): New gate.
831         (pass_inline_parameters): New pass.
832         (apply_inline): Move here from tree-optimize.c
833         (pass_apply_inline): New pass.
834         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
835         transforming.
836         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
837         doing them by hand.
838         (tree_function_versioning): Do not allocate dummy struct function.
839         * tree-inline.h (optimize_inline_calls): Update prototype.
840         * tree-optimize.c (execute_fixup_cfg): Export.
841         (pass_fixup_cfg): Remove
842         (tree_rest_of_compilation): Do not apply inlines.
843         * tree-flow.h (execute_fixup_cfg): Declare.
844         * Makefile.in (gt-passes.c): New.
845         * passes.c: Include gt-passes.h
846         (init_optimization_passes): New passes.
847         (nnodes, order): New static vars.
848         (do_per_function_toporder): New function.
849         (execute_one_pass): Dump current pass here.
850         (execute_ipa_pass_list): Don't dump current pass here.
851
852 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
853
854         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
855         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
856
857 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
858
859         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
860         (strong_alias): Define.
861         (__gcc_qmul): Provide non-FMA for soft-float.
862         (__gcc_qdiv): Same.
863         (__gcc_qneg): New.
864         (__gcc_qeq): New.
865         (__gcc_qle): New.
866         (__gcc_qge): New.
867         (__gcc_qunord): New.
868         (__gcc_stoq): New.
869         (__gcc_dtoq): New.
870         (__gcc_qtos): New.
871         (__gcc_qtod): New.
872         (__gcc_qtoi): New.
873         (__gcc_qtou): New.
874         (__gcc_itoq): New.
875         (__gcc_utoq): New.
876         (fmsub): New.
877         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
878         soft-float functions.
879         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
880         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
881         about long double soft float.
882
883 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
884             Tehila Meyzels  <tehila@il.ibm.com>
885
886         * tree-vectorizer.h (is_pattern_stmt_p): New.
887         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
888         formatting (tabs instead of spaces). Cleanup and clarify setting
889         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
890         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
891         (vectorizable_type_demotion): Check that types are integral.
892         (vectorizable_type_promotion): Likewise.
893         (vectorizable_store): Fix typo.  Eliminate new-line at end of
894         comments.
895
896 2007-01-16  Jan Hubicka  <jh@suse.cz>
897
898         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
899         cgraph edges too.
900
901 2007-01-15  Eric Christopher  <echristo@apple.com>
902
903         * ifcvt.c: Include vec.h, vecprim.h.
904         (check_cond_move_block): New argument regs.
905         Reorganize. Add registers used to regs.
906         (cond_move_process_if_block): Use regs set above as
907         loop bounds.
908
909 2007-01-15  Eric Christopher  <echristo@apple.com>
910
911         * config/darwin.h: Update copyright.
912         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
913         (LINK_COMMAND_SPEC): Add -u.
914         (LINK_SPEC): Fix umbrella for above.
915
916 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
917
918         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
919         glibc CVS.
920
921 2007-01-15  Tom Tromey  <tromey@redhat.com>
922
923         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
924         * doc/install.texi (Testing): Don't mention jacks.
925         (Configuration): Document --enable-java-maintainer-mode.  Move
926         --with-java-home to libgcj-specific section.  Document
927         --with-ecj-jar.
928         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
929
930 2007-01-15  Jan Hubicka  <jh@suse.cz>
931
932         * tree-ssa-dce.c (DCE_TODOs): New.
933         (propagate_necessity): Return if something changed.
934         (eliminate_unnecessary_stmts): Likewise.
935         (perform_tree_ssa_dce): Return TODO flags when needed.
936         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
937
938 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
939
940         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
941         (fyl2x_extend<mode>xf3_i387): New insn pattern.
942         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
943         patterns using X87MODEF12 mode macro.  Extend operand 1
944         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
945         (log10<mode>2): Ditto.
946         (log2<mode>2): Ditto.
947         (log1p<mode>2): Ditto.
948         (logb<mode>2): Ditto.
949         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
950         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
951         (*fxtractxf3_i387): Rename from *fxtractxf3.
952         (fxtract_extend<mode>xf3_i387): New insn pattern.
953         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
954         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
955         and gen_fyl2xxf3_i387().
956
957 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
958
959         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
960         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
961         get_loop_exit_edges.  Changed return type to bool.
962         * cfgloop.h (fix_loop_placement): Declaration removed.
963
964 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
965
966         * param.h (MIN_VECT_LOOP_BOUND): New.
967         * params.def (MIN_VECT_LOOP_BOUND): New.
968         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
969         argument - minimum threshold for number of iterations.
970         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
971         argument to declaration.
972         * tree-vect-analyze.c (vect_analyze_operations): Check value of
973         MIN_VECT_LOOP_BOUND.
974         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
975         slpeel_tree_peel_loop_to_edge with additional argument.
976         (vect_do_peeling_for_alignment): Likewise.
977         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
978
979 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
980
981         PR target/30413
982         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
983         operands of size 1.
984
985 2007-01-14  Jan Hubicka  <jh@suse.cz>
986
987         * tree-dfa.c (remove_referenced_var): New function.
988         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
989         prune referenced vars list too.
990         * tree-flow.h (remove_referenced_var): Declare.
991
992 2007-01-14  Jan Hubicka  <jh@suse.cz>
993
994         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
995         separately.
996         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
997         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
998         * except.h (verify_eh_throw_table_statements): Kill prototype.
999         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1000         into call exrepssions.
1001         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1002         eh trhow verifier.
1003         * tree-cfg.c: Include pointer-set.h.
1004         (verify_node_sharing): Work on pointer set.
1005         (verify_eh_throw_stmt_node): New.
1006         (verify_stmts): Use pointers sets, verify throw_stmt.
1007
1008 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1009
1010         * ipa-reference.c (analyze_function): Consider also addresses taken
1011         in phi nodes.
1012
1013 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1014
1015         * c-typeck.c (null_pointer_constant_p): Replace use of
1016         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1017         (build_c_cast): Likewise.
1018
1019 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1020
1021         * tree.h (force_fit_type_double): Remove unused final argument.
1022         * c-common.c (constant_expression_warning): Replace use of
1023         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1024         (convert_and_check): Likewise.
1025         (shorten_compare): Update call to force_fit_type_double.
1026         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1027         * convert.c (convert_to_pointer): Update call to
1028         force_fit_type_double.
1029         * fold-const.c (force_fit_type_double): Remove overflowed_const
1030         argument.
1031         (int_const_binop, fold_convert_const_int_from_int,
1032         fold_convert_const_int_from_real, fold_div_compare,
1033         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1034         fold_abs_const, fold_not_const): Remove the final argument from
1035         calls to force_fit_type_double.
1036
1037 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1038
1039         * configure.ac: Set insn to "nop" for spu-*-* also.
1040         * configure: Regenerate.
1041
1042 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1043
1044         * builtins.def : Add BUILT_IN_FREE.
1045
1046 2007-01-12  Jan Hubicka  <jh@suse.cz>
1047
1048         PR tree-optimization/30443
1049         * tree-inline.c (tree_function_versioning): Do not optimize when
1050         cloning for inlining.
1051
1052 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1053
1054         * doc/loop.texi: Document recording of loop exits.
1055         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1056         (update_single_exits_after_duplication,
1057         update_single_exit_for_duplicated_loop,
1058         update_single_exit_for_duplicated_loops): Removed.
1059         (duplicate_loop_to_header_edge): Do not call
1060         update_single_exits_after_duplication and
1061         update_single_exit_for_duplicated_loops.
1062         (loop_version): Do not update single_exit information.
1063         (fix_loop_structure): Use record_loop_exits instead of
1064         mark_single_exit_loops.
1065         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1066         the lists of loop exits.
1067         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1068         split_edge, merge_blocks): Update the lists of loop exits.
1069         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1070         loop_optimizer_init.
1071         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1072         of mark_single_exit_loops.
1073         (loop_optimizer_finalize): Call release_recorded_exits.
1074         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1075         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1076         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1077         update single exit information.
1078         * lambda-code.c (perfect_nestify): Ditto.
1079         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1080         (mark_single_exit_loops): Removed.
1081         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1082         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1083         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1084         functions.
1085         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1086         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1087         (verify_loop_structure): Verify consistency of the exit lists.
1088         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1089         (set_single_exit): Removed.
1090         * cfgloop.h (struct loop_exit): New function.
1091         (struct loop): single_exit_ field replaced by exits field.
1092         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1093         (struct loops): Added exits hash.
1094         (mark_single_exit_loops, set_single_exit): Declaration removed.
1095         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1096
1097 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1098
1099         * doc/invoke.texi: Avoid use of @headitem.
1100
1101 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1102
1103         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1104
1105 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1106
1107         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1108         list of targets.
1109
1110 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1111             Richard Sandiford  <richard@codesourcery.com>
1112
1113         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1114         * config/m68k/m68k.opt: Resort options.
1115         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1116
1117 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1118             Richard Sandiford  <richard@codesourcery.com>
1119
1120         * doc/invoke.texi: Document the macros that are defined by
1121         m68k's -mtune and -mhard-float options.
1122         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1123         (m68k_cpp_cpu_family): Likewise.
1124         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1125         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1126         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1127         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1128         (m68k_cpp_cpu_family): Likewise.
1129
1130 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1131
1132         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1133         macros besides mc68000 as tuning macros.  Use a switch statement
1134         to set them and mcpu32.
1135
1136 2007-01-12  Julian Brown  <julian@codesourcery.com>
1137
1138         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1139         (TARGET_68040_ONLY): Rename to...
1140         (TARGET_68040): ...this.
1141         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1142         * config/m68k/m68k.md: Likewise.
1143
1144 2007-01-12  Julian Brown  <julian@codesourcery.com>
1145             Nathan Sidwell  <nathan@codesourcery.com>
1146             Richard Sandiford  <richard@codesourcery.com>
1147
1148         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1149         the -mcpu= argument associated with the --with-cpu setting.
1150         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1151         if different from the one implied by the -mcpu setting.
1152         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1153         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1154         * doc/invoke.texi: Mention ColdFire in the introduction to the
1155         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1156         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1157         -mhard-float.  Document the previously-undocumented -m5206e,
1158         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1159         documentation for consistency.
1160         * doc/install.texi: Mention new --with-cpu arguments.
1161         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1162         default CPU if neither -mcpu nor -march are specified.
1163         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1164         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1165         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1166         using m68k_tune to decide between families that implement the
1167         same ISA.  Use m68k_tune to set __mcfv4e__.
1168         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1169         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1170         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1171         (FL_ISA_C, FL_ISA_MMU): New macros.
1172         (MASK_COLDFIRE): Delete.
1173         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1174         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1175         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1176         (TARGET_HARD_FLOAT): Do not define here.
1177         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1178         (TUNE_68000): New macro.
1179         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1180         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1181         (TUNE_CFV2): Redefine in terms of m68k_tune.
1182         (uarch_type, target_device, fpu_type): New enums.
1183         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1184         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1185         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1186         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1187         (FL_FOR_isa_c): New macros.
1188         (m68k_isa): New enum.
1189         (m68k_target_selection): New structure.
1190         (all_devices, all_isas, all_microarchs): New tables.
1191         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1192         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1193         (MASK_ALL_CPU_BITS): Delete.
1194         (m68k_find_selection): New function.
1195         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1196         Map the legacy target options to a combination of the new ones.
1197         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1198         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1199         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1200         settings.
1201         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1202         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1203         properties.
1204         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1205         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1206         * config/m68k/m68k-devices.def: New file.
1207
1208 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1209             Nathan Sidwell  <nathan@codesourcery.com>
1210
1211         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1212         (SUBTARGET_EXTRA_SPECS): New macros.
1213         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1214         use %(asm_cpu_spec) instead.
1215         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1216         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1217         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1218         (EXTRA_SPECS): Rename to...
1219         (SUBTARGET_EXTRA_SPECS): ...this.
1220
1221 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1222             Richard Sandiford  <richard@codesourcery.com>
1223             Julian Brown  <julian@codesourcery.com>
1224
1225         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1226         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1227         to the configuration's default CPU.
1228         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1229         Remove default masks.
1230         (m680[012]0-*-*): Set the default with_cpu to the first part of
1231         the target name.
1232         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1233         (m68k*-*-linux): Extend the --with-cpu handling to...
1234         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1235         and m68010.  Don't set target_cpu_default2.
1236         * doc/install.texi: Document --with-cpu for m68k.
1237         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1238         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1239         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1240         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1241         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1242         (ASM_SPEC): Remove use of %(asm_cpu_default).
1243         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1244         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1245         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1246         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1247         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1248         (TARGET_DEFAULT): Delete.
1249         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1250         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1251         (CPP_CPU_SPEC): Delete.
1252         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1253         the appropriate string.
1254         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1255         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1256         (ASM_SPEC): Don't use %(asm_default_spec).
1257         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1258         TARGET_DEFAULT and add MASK_68881.
1259         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1260
1261 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1262
1263         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1264         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1265         MASK_68010 alongside MASK_68020.
1266         * doc/invoke.texi: Document -m68010.
1267         * config/m68k/m68k.opt (m68010): New.
1268         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1269         if TUNE_68010.
1270         (TUNE_68010): New macro.
1271         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1272         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1273         (M68K_CPU_m68332): Add MASK_68010.
1274         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1275         fallback definition.
1276         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1277         defines.
1278         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1279         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1280         to all entries that use MASK_68020.
1281         (output_move_simode_const, output_move_himode, output_move_qimode)
1282         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1283         instead of TARGET_68020 to select clr behavior.  Remove comment
1284         about there being no TARGET_68010.
1285         * config/m68k/m68k.md: Likewise throughout.
1286
1287 2007-01-12  Julian Brown  <julian@codesourcery.com>
1288
1289         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1290         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1291         * config/m68k/m68k.md: Likewise.
1292
1293 2007-01-12  Julian Brown  <julian@codesourcery.com>
1294
1295         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1296         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1297
1298 2007-01-12  Julian Brown  <julian@codesourcery.com>
1299
1300         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1301         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1302         * config/m68k/m68k.md: Likewise.
1303
1304 2007-01-12  Julian Brown  <julian@codesourcery.com>
1305             Richard Sandiford  <richard@codesourcery.com>
1306
1307         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1308         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1309         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1310         TARGET_CPU32.
1311         (TARGET_CPU32): Rename to...
1312         (TUNE_CPU32): ...this.
1313         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1314         (TUNE_CFV2): New macros.
1315         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1316         remove conditions that are implied by TARGET_68020.
1317         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1318         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1319         (m68k_output_function_epilogue): Likewise.
1320         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1321         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1322         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1323         non-68000 timings.  Refactor multiplication and division costs.
1324         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1325         TUNE_CPU32 instead of TARGET_CPU32.
1326         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1327         and TUNE_68060 instead of TARGET_68060.
1328         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1329         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1330         TARGET_CPU32.
1331         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1332         && !TARGET_COLDFIRE" to choose between moveq and clr.
1333         Likewise in the unnamed movsf pattern.
1334         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1335         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1336         ashiftrt pattern.
1337
1338 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1339
1340         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1341         of tabbing before backslashes.
1342
1343 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1344
1345         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1346         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1347         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1348
1349 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1350
1351         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1352         find_interesting_uses_cond.
1353         (find_interesting_uses_cond): Use extract_cond_operands.
1354         (rewrite_use_compare): Use extract_cond_operands and
1355         force_gimple_operand_bsi.  Do not call update_stmt.
1356         (determine_use_iv_cost_condition): Use extract_cond_operands.
1357         Return cheaper of using original bound and changing the exit bound.
1358
1359 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1360
1361         PR tree-optimization/29516
1362         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1363         most_expensive_mult_to_index, addr_to_parts,
1364         create_mem_ref, maybe_fold_tmr): Make the type of
1365         fields of TARGET_MEM_REF sizetype.
1366         (move_fixed_address_to_symbol, move_pointer_to_base):
1367         New functions.
1368         * tree.def (TARGET_MEM_REF): Add comment on types of
1369         the operands.
1370
1371 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1372
1373         * c-common.c (vector_types_convertible_p): Treat opaque types as
1374         always convertible if they have the same size, but not otherwise.
1375
1376 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1377
1378         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1379         Remove the b_unconditional field.
1380         (noce_try_sign_mask): Do not look at b_unconditional.
1381         (noce_process_if_block): Do not use merge_if_blocks.  Update
1382         the CFG here.  Do not set b_unconditional.
1383         (cond_move_process_if_block): Likewise.
1384         (find_cond_trap): Likewise.
1385         (check_cond_move_block): Require simple jump insns at the end
1386         of the basic block.
1387
1388 2007-01-11  Jan Hubicka  <jh@suse.cz>
1389
1390         PR tree-optimization/1046
1391         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1392         when alias info is not ready.
1393         (pass_tail_recursion): Do not require aliasing.
1394         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1395         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1396         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1397         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1398         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1399         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1400         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1401         before inlining.
1402         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1403         When aliasing is not build, mark statement as volatile.
1404
1405 2007-01-11  Tom Tromey  <tromey@redhat.com>
1406
1407         PR preprocessor/15185, PR preprocessor/20989:
1408         * doc/cppopts.texi <-MT>: Update description of algorithm for
1409         computing default target.
1410         <-M, -MD>: Reword "basename" text.
1411
1412 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1413
1414         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1415         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
1416         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1417         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
1418         fold_builtin_bswap, real_constp, fold_builtin_pow,
1419         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
1420         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
1421         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1422         * convert.c (convert_to_pointer): Likewise.
1423         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1424         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
1425         const_binop, fold_convert_const_int_from_int,
1426         fold_convert_const_int_from_real,
1427         fold_convert_const_real_from_real, sign_bit_p,
1428         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
1429         fold_sign_changed_comparison, fold_unary, fold_comparison,
1430         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
1431         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1432         * print-tree.c (print_node_brief, print_node): Likewise.
1433         * stor-layout.c (place_field, layout_type): Likewise.
1434         * tree-chrec.c (keep_cast): Likewise.
1435         * tree.c (build_vector, build_real, build_real_from_int_cst,
1436         build_complex): Likewise.
1437
1438 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1439
1440         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
1441         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
1442
1443 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
1444
1445         * configure.ac (strict1_warn): Rename to strict_warn.
1446         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
1447         cc_set_by_configure, quoted_cc_set_by_configure,
1448         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
1449         all_boot_languages, all_stagestuff): Remove.
1450         (target_list): Remove bootstrap targets.
1451         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
1452         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
1453         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
1454         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
1455         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
1456         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
1457         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
1458         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
1459         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
1460         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
1461         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
1462         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
1463         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
1464         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
1465         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
1466         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1467         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1468         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1469         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1470         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1471         (mostlyclean): Adjust.
1472         (clean, distclean): Don't mention bootstrap stuff.
1473         * configure: Regenerate.
1474         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1475         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1476         treelang/config-lang.in (stagestuff): Remove.
1477         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1478         stageprofile, stagefeedback, stagestuff): Remove mention.
1479
1480 2007-01-11  Nick Clifton  <nickc@redhat.com>
1481
1482         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1483         Accept CONSTs.
1484         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1485         (mcore_arith_K_S_operand): Run the test for the S constraint not
1486         the test for the M constraint.
1487         (mcore_addsub_operand): Do not accept integer values that are
1488         larger than 32 bits.
1489         * config/mcore/mcore.md: Remove unused constraints from split.
1490         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1491         (addsi3): Likewise.
1492         (allocate_stack): Likewise.
1493         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1494         operands to 32 bits.
1495         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1496         INTVAL.
1497         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1498         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1499         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1500         mcore_output_bclri, mcore_output_andn, output_inline_const,
1501         mcore_output_move, mcore_output_movedouble): Likewise.
1502         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1503         (output_inline_const): Likewise.
1504         (output_inline_const): Fix format strings used in sprintf
1505         statements.
1506         * config/mcore/mcore-protos.h: Update prototypes for changed
1507         functions in mcore.c.
1508         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1509         HOST_WIDE_INT and not int.
1510         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1511         CONST_OK_FOR_N): Likewise.
1512         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1513         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1514         an INTVAL.
1515
1516 2007-01-10  Jan Hubicka  <jh@suse.cz>
1517
1518         * tree-vrp.c (remove_range_assertions): Release defs.
1519         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
1520         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
1521
1522 2007-01-10  Paul Brook  <paul@codesourcery.com>
1523
1524         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
1525         * config/arm/arm.md (mulsi3subsi): New insn.
1526
1527 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
1528
1529         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
1530         (tree_transform_and_unroll_loop): New.
1531         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
1532         Declare.
1533
1534 2007-01-10  Robert Kennedy <jimbob@google.com>
1535
1536         * fold-const.c (fold_comparison): Fold comparisons like (x *
1537         1000 < 0) to (x < 0).
1538
1539 2007-01-10  Ian Lance Taylor  <iant@google.com>
1540
1541         * tree-pretty-print.c (dump_generic_node): Print parentheses when
1542         operands have the same priority.
1543
1544 2007-01-10  Tom Tromey  <tromey@redhat.com>
1545
1546         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
1547         (fold_binary): Likewise.
1548         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
1549         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
1550         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
1551         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
1552         * langhooks.h (struct lang_hooks): Removed field
1553         'can_use_bit_fields_p'.
1554
1555 2007-01-10  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1556
1557         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
1558
1559 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
1560
1561         * function.c (get_last_funcdef_no): New function.
1562         * function.h (get_last_funcdef_no): Declare.
1563         * tree-inline.c (initialize_cfun): Add initialization.
1564         (tree_function_versioning): Cleanup.
1565
1566 2007-01-10  Jan Hubicka  <jh@suse.cz>
1567
1568         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
1569         PHIs.
1570
1571 2007-01-10  Sa Liu  <saliu@de.ibm.com>
1572             Ben Elliston  <bje@au.ibm.com>
1573
1574         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
1575         for SAVE_NONLOCAL and Pmode for any other save level.
1576         * spu-protos.h (spu_restore_stack_block): Declare.
1577         * spu.md (save_stack_block): Remove.
1578         (restore_stack_block): Call spu_restore_stack_block.
1579         * spu.c (spu_restore_stack_block): New function.
1580         (spu_expand_epilogue): Remove old comment.
1581
1582 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
1583
1584         PR tree-optimization/30322
1585         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
1586         (cand_value_at): Return the value as aff_tree.
1587         (may_eliminate_iv): Convert the bound from aff_tree to tree.
1588         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
1589         aff_combination_mult): New functions.
1590         (aff_combination_add): Use aff_combination_add_cst.
1591         (aff_combination_convert): Allow conversions to a wider type.
1592         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
1593         * tree-affine.h (aff_combination_mult): Declare.
1594
1595 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
1596
1597         * doc/tm.texi: Update documentation to reflect reality of exec
1598         and start file search behaviours. Update copyright year.
1599         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
1600         header file directories.
1601
1602 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
1603
1604         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
1605         (*cosxf2): Rename to cosxf2_i387.
1606         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
1607         using X87MODEF12 mode macro. Rename patterns to
1608         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1609         for SSE math.
1610         (*cosdf2, *cossf2): Ditto.
1611         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1612         to match extended input operands.
1613         (sincos<mode>3): New expander.
1614         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1615         insn patterns and corresponding splitters.
1616
1617 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1618
1619         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1620         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1621
1622 2007-01-09  Nicolas Pitre  <nico@cam.org>
1623
1624         PR target/30173
1625         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1626
1627 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1628
1629         * target.h (struct gcc_target): New field library_rtti_comdat.
1630         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1631         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1632         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1633         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1634
1635 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1636
1637         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1638
1639 2007-01-08  Richard Guenther  <rguenther@suse.de>
1640
1641         * tree.h (force_fit_type_double): Export.
1642         (force_fit_type): Remove.
1643         * fold-const.c (force_fit_type_double): New function.
1644         (force_fit_type): Remove.
1645         (int_const_binop): Use it.
1646         (fold_convert_const_int_from_int): Likewise.
1647         (fold_convert_const_int_from_real): Likewise.
1648         (fold_div_compare): Likewise.
1649         (fold_sign_changed_comparison): Likewise.
1650         (fold_unary): Likewise.
1651         (fold_negate_const): Likewise.
1652         (fold_abs_const): Likewise.
1653         (fold_not_const): Likewise.
1654         * c-common.c (shorten_compare): Use force_fit_type_double.
1655         * convert.c (convert_to_pointer): Likewise.
1656
1657 2007-01-08  Richard Guenther  <rguenther@suse.de>
1658
1659         * tree.h (build_int_cst_wide_type): Export.
1660         * tree.c (build_int_cst_wide_type): New function.
1661         (build_int_cst_wide): Fix comment.
1662         * builtins.c (fold_builtin_object_size): Use build_int_cst
1663         to build -1 or 0 of the correct type.  Use fit_double_type
1664         to check for overflow.
1665         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1666         to build the mask.
1667         (decode_field_reference): Likewise.
1668         (all_ones_mask_p): Likewise.
1669         (native_interpret_int): Use build_int_cst_wide_type.
1670         (fold_binary): Use build_int_cst_type to build an all-ones
1671         value.
1672         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1673
1674 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1675
1676         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1677
1678 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1679
1680         * genautomata.c (STATS_OPTION): New option.
1681         (stats_flag): New flag.
1682         (gen_automata_option): Handle it.
1683         (initiate_automaton_gen): Ditto.
1684         (write_automata): Output statistics only if stats_flag is
1685         set. Likewise, output time statistics only if time_flag is set.
1686         * doc/md.texi (Processor pipeline description): Document new flag.
1687
1688 2007-01-08  Richard Guenther  <rguenther@suse.de>
1689
1690         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1691         * tree.c (build_int_cst_type): Likewise.
1692         (size_in_bytes): Don't call force_fit_type on the result.
1693         (int_fits_type_p): Use fit_double_type.
1694         * fold-const.c (fit_double_type): New function.
1695         (force_fit_type): Use it.
1696         * tree.h (fit_double_type): Export.
1697
1698 2007-01-08  Jan Hubicka  <jh@suse.cz>
1699
1700         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1701         * ipa.c (function_and_variable_visibility): Fix return type.
1702
1703 2007-01-08  Richard Guenther  <rguenther@suse.de>
1704
1705         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1706         of offset to build the index.
1707         * tree-pretty-print.c (dump_generic_node): Don't build negated
1708         const just for printing.
1709         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1710         * builtins.c (fold_builtin_int_roundingfn): Check if result
1711         fits the type by using force_fit_type and comparing the result.
1712         * predict.c (predict_loops): Use compare_tree_int for comparison.
1713         * tree.c (build_int_cst): Fall back to integer_type_node for
1714         NULL_TREE type.
1715         (build_int_cst_wide): Assert type is non-null.
1716
1717 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1718
1719         * tree-vrp.c (extract_range_from_cond_expr): New.
1720         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1721         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1722         as expressions.
1723         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1724         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1725         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1726         used as expressions.
1727         * tree-object-size.c (cond_expr_object_size): New.
1728         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1729
1730 2007-01-08  Jan Hubicka  <jh@suse.cz>
1731
1732         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1733         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1734         statement.
1735
1736 2007-01-08  Richard Guenther  <rguenther@suse.de>
1737
1738         PR tree-optimization/23603
1739         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1740         (extract_range_from_binary): Fall back to truthvalue instead of
1741         varying for TRUTH_*_EXPR.
1742         (extract_range_from_comparison): Fall back to truthvalue instead of
1743         varying.
1744         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1745         if all visited PHI values were constant.
1746
1747 2007-01-08  Jan Hubicka  <jh@suse.cz>
1748
1749         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1750         (cgraph_analyze_function): break out from ...
1751         (cgraph_finalize_compilation_unit): ... here.
1752         (cgraph_expand_function): Remove forgoten commented out line.
1753         (cgraph_optimize): Analyze functions.
1754
1755 2007-01-08  Jan Hubicka  <jh@suse.cz>
1756
1757         * tree-pas.h (TODO_remove_function): New flag.
1758         (TODO_update*): Renumber.
1759         (pass_ipa_increase_alignment,
1760         pass_ipa_function_and_variable_visibility): New passes.
1761         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1762         (cgraph_function_and_variable_visibility): Move to ipa.c
1763         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1764         cgraph_increase_alignment.
1765         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1766         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1767         calling tree-inline.
1768         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1769         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1770         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1771         (gate_increase_alignment): New function.
1772         (pass_ipa_increase_alignment): New pass.
1773         * ipa.c: Inline tree-pass.h and timevar.h
1774         (function_and_variable_visibility): Move here from cgraphunit.c
1775         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1776         * passes.c (init_optimization_passes): Add the two new passes.
1777         (execute_todo): Handle cgraph_remove_functions.
1778
1779 2007-01-08  Nick Clifton  <nickc@redhat.com>
1780
1781         * config/frv/predicates.md (reg_or_0_operand): Accept
1782         CONST_DOUBLEs.
1783
1784 2007-01-08  Ralf Cors├ępius <ralf.corsepius@rtems.org>
1785
1786         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1787         * config.gcc: Add bfin*-rtems*.
1788
1789 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1790
1791         * c.opt: Add -flax-vector-conversions.
1792         * c-typeck.c (convert_for_assignment): Pass flag to
1793         vector_types_convertible_p to allow emission of note.
1794         (digest_init): Likewise.
1795         * c-opts.c: Handle -flax-vector-conversions.
1796         * c-common.c (flag_lax_vector_conversions): New.
1797         (vector_types_convertible_p): Unless -flax-vector conversions
1798         has been passed, disallow conversions between vectors with
1799         differing numbers of subparts and/or element types.  If such
1800         a conversion is disallowed, possibly emit a note on the first
1801         occasion only to inform the user of -flax-vector-conversions.
1802         The new last argument specifies this.
1803         * c-common.h (flag_lax_vector_conversions): New.
1804         (vector_types_convertible_p): Add extra argument.
1805         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1806         char_type_node for V*QI type vectors.
1807         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1808         Update to satisfy new typechecking rules.
1809         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1810         C and C++ variants.
1811         * doc/invoke.texi (C Dialect Options): Document
1812         -flax-vector-conversions.
1813
1814 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1815
1816         PR tree-optimization/29877
1817         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1818         a register variable on the RHS to not be replaceable.
1819
1820 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1821         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1822         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1823         const_simm15, const_pow2, const_npow2): Added.
1824         * config/score/misc.md (insv, extv, extzv, movmemsi,
1825         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1826         * config/score/score.c (score_address_cost, score_select_cc_mode):
1827         Added.
1828         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1829         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1830         Update score_print_operand.
1831         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1832         Adjust register allocate order and update some macro define.
1833         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1834         mdx_block_move_straight, mdx_block_move_loop_head,
1835         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1836         mdx_block_move): Added.
1837         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1838         mdp_limm): Updated and fix some bug and typo.
1839         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1840         (movsf, movdf, doloop_end): Added.
1841
1842 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1843
1844         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1845         config/arm/thumb2.md: Fix comment typos.
1846         * doc/extend.texi: Fix a typo.
1847
1848 2007-01-07  Eric Christopher  <echristo@apple.com>
1849
1850         * configure.ac: Check for __stack_chk_fail for darwin.
1851         * configure: Regenerate.
1852
1853 2007-01-07  Richard Guenther  <rguenther@suse.de>
1854
1855         * tree-vrp.c (extract_range_from_assert): CSE calls to
1856         compare_values where possible.
1857         (extract_range_from_unary_expr): Likewise.
1858
1859 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1860
1861         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1862         * config/avr/avr.c (call_insn_operand): Delete function.
1863         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1864         instead of register number. Use predicates.
1865         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1866         call_insn_operand): Add.
1867
1868 2007-01-06  Jan Hubicka  <jh@suse.cz>
1869
1870         * tree-pass.h (pass_build_cgraph_edges): Declare.
1871         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1872         (visited_nodes): Remove.
1873         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1874         build_cgrpah_edges; make visited_nodes local.
1875         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1876         (record_references_in_initializer): Move to cgraphbuild.c
1877         (initialize_inline_failed, rebuild_cgraph_edges,
1878         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1879         (verify_cgraph_node): Make visited_nodes local.
1880         (cgraph_analyze_function): Do not call cgraph_create_edges and
1881         initialize_inline_failed.
1882         (cgraph_expand_function): Do not call cgraph_lower_function;
1883         assert that function is already lowered.
1884         * Makefile.in (cgraphbuild.o): New.
1885         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1886         at the end of lowering passes.
1887
1888 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1889
1890         * ifcvt.c (cond_move_convert_if_block): New function, code
1891         factored out from...
1892         (cond_move_process_if_block): ...here.  Call the new function
1893         on the THEN and ELSE blocks.
1894         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1895         already takes care of this.
1896
1897 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1898
1899         PR c/19978
1900         * tree.h (TREE_OVERFLOW_P): New.
1901         * c-typeck.c (parser_build_unary_op): Warn only if result
1902         overflowed and operands did not.
1903         (parser_build_binary_op): Likewise.
1904         (convert_for_assignment): Remove redundant overflow_warning.
1905         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
1906
1907 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1908
1909         * c-typeck.c (store_init_value): Split over two lines to follow
1910         the GNU coding style.
1911
1912 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
1913
1914         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
1915         __GXX_EXPERIMENTAL_CXX0X__.
1916         * doc/cpp.texi: Same.
1917
1918 2007-01-05  Richard Guenther  <rguenther@suse.de>
1919
1920         PR middle-end/27826
1921         * tree.c (get_narrower): Do not construct COMPONENT_REFs
1922         with mismatched types.  Instead explicitly build a
1923         conversion NOP_EXPR.
1924
1925 2007-01-05  Ian Lance Taylor  <iant@google.com>
1926
1927         * c-common.c (decl_with_nonnull_addr_p): New function.
1928         (c_common_truthvalue_conversion): Call it.
1929         * c-typeck.c (build_binary_op): Likewise.
1930         * c-common.h (decl_with_nonnull_addr_p): Declare.
1931
1932 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
1933
1934         PR c/30360
1935         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
1936         denom against 0.0.
1937
1938 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
1939
1940         * doc/install.texi (Final install): Document the fact that
1941         the GNAT runtime should not be stripped.
1942
1943 2007-01-04  Jan Hubicka  <jh@suse.cz>
1944
1945         * tree-inline.c (fold_marked_statements): Update operand caches
1946         and EH after folding
1947
1948 2007-01-04  Ian Lance Taylor  <iant@google.com>
1949
1950         * c-common.c (check_function_nonnull): Whitespace fix.
1951
1952 2007-01-04  Jan Hubicka  <jh@suse.cz>
1953
1954         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
1955         comitted older version of patch.
1956         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
1957         function, celanup cfg and collect garbage.
1958
1959 2007-01-04  Mike Stump  <mrs@apple.com>
1960
1961         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
1962         (clean): Likewise.
1963
1964 2007-01-04  Eric Christopher  <echristo@apple.com>
1965
1966         * libgcc2.c (__bswapsi2): Use SItype.
1967         (__bswapdi2): Use DItype.
1968         * libgcc2.h: Update for above.
1969
1970 2007-01-04  Paul Brook  <paul@codesourcery.com>
1971
1972         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
1973         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
1974         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
1975         umulsidi3, umulsidi3adddi, smulsi3_highpart,
1976         umulsi3_highpart): Make conditional on !arm_arch6.
1977         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
1978         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
1979         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
1980         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
1981         umulsi3_highpart_v6): New insns.
1982
1983 2007-01-04  Roger Sayle  <roger@eyesopen.com>
1984
1985         * fold-const.c (fold_convert): When casting an expression to void,
1986         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
1987         have a type.  Instead of attempting to build a NOP_EXPR, return
1988         these "special" trees directly.
1989
1990 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
1991
1992         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1993         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
1994         rs6000_cost->fp not 0 as adjustment for outer NEG.
1995
1996 2007-01-04  Jan Hubicka  <jh@suse.cz>
1997
1998         * cgraph.c (cgraph_release_function_body): New function.
1999         (cgraph_remove_node): Use it.
2000         * cgraph.h (cgraph_release_function_body): Declare.
2001         * cgraphunit.c (cgraph_expand_function): Use it.
2002         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2003         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2004         is initialized and while compilation of other function is running.
2005         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2006         statement CFG annotations from here to ...
2007         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2008
2009 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2010
2011         * cfgloop.h (enum li_flags): Make the constants powers of two.
2012
2013 2007-01-04  Jan Hubicka  <jh@suse.cz>
2014
2015         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2016         set.
2017         (fold_marked_statements): New function.
2018         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2019         * tree-inline.h (copy_body_data): Add statements_to_fold.
2020
2021 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2022
2023         * config.gcc: Mention libgcc/config.host.
2024         * Makefile.in: Update comments mentioning libgcc.
2025         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2026         (all.cross, start.encap, rest.encap, rest.cross): Update
2027         dependencies for libgcc move.
2028         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2029         (clean-target, clean-target-libgcc): Delete.
2030         (srcdirify, GCC_EXTRA_PARTS): New macros.
2031         (libgcc-support, libgcc.mvars): New rules.
2032         (distclean): Remove mention of mklibgcc.
2033         (install): Don't reference INSTALL_LIBGCC.
2034         (install-common): Don't reference EXTRA_PARTS.
2035         (install-libgcc, install-multilib): Delete rules.
2036         * mklibgcc.in: Delete file.
2037         * doc/configfiles.texi: Don't mention mklibgcc.
2038
2039         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2040         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2041         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2042         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2043         (mklibgcc, ldblspecs): Likewise.
2044
2045         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2046         (posixpre.def): Use $(T).
2047         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2048         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2049         (SHLIB_LINK): Make dummy.
2050         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2051
2052         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2053
2054         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2055         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2056         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2057         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2058
2059         * configure.ac (all_outputs): Remove mklibgcc.
2060         * configure: Regenerated.
2061
2062 2007-01-03  Josh Conner  <jconner@apple.com>
2063
2064         PR middle-end/29683
2065         * calls.c (compute_argument_addresses): Set stack and stack_slot
2066         for partial args, too.
2067         (store_one_arg): Use locate.size.constant for the size when
2068         generating a save_area.
2069
2070 2007-01-03  Robert Kennedy <jimbob@google.com>
2071
2072         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2073         whose definitions are deleted due to basic block merging.
2074
2075 2007-01-03  Paul Brook  <paul@codesourcery.com>
2076
2077         PR target/16634
2078         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2079         functions.
2080         (use_return_insn): Return 0 for Thumb interrupt functions.
2081         (print_multi_reg): Add rfe argument for IRQ returns.
2082         (arm_output_epilogue): Pop interrupt return address directly into PC.
2083         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2084
2085 2007-01-03  Paul Brook  <paul@codesourcery.com>
2086
2087         Merge from sourcerygxx-4_1.
2088         * config/arm/thumb2.md: New file.
2089         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2090         Thumb-2.
2091         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2092         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2093         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2094         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2095         tables.
2096         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2097         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2098         comptibility.
2099         * config/arm/ieee754-sf.S: Ditto.
2100         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2101         (thumb1_base_register_rtx_p): ... to this.
2102         (thumb_index_register_rtx_p): Rename...
2103         (thumb1_index_register_rtx_p): ... to this.
2104         (thumb_output_function_prologue): Rename...
2105         (thumb1_output_function_prologue): ... to this.
2106         (thumb_legitimate_address_p): Rename...
2107         (thumb1_legitimate_address_p): ... to this.
2108         (thumb_rtx_costs): Rename...
2109         (thumb1_rtx_costs): ... to this.
2110         (thumb_compute_save_reg_mask): Rename...
2111         (thumb1_compute_save_reg_mask): ... to this.
2112         (thumb_final_prescan_insn): Rename...
2113         (thumb1_final_prescan_insn): ... to this.
2114         (thumb_expand_epilogue): Rename...
2115         (thumb1_expand_epilogue): ... to this.
2116         (arm_unwind_emit_stm): Rename...
2117         (arm_unwind_emit_sequence): ... to this.
2118         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2119         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2120         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2121         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2122         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2123         thumb2_output_casesi): New functions.
2124         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2125         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2126         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2127         THUMB2_WORK_REGS): Define.
2128         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2129         arm_condexec_mask, arm_condexec_masklen)): New variables.
2130         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2131         (arm_override_options): Check new CPU capabilities.
2132         Set new architecture flag variables.
2133         (arm_isr_value): Handle v7m interrupt functions.
2134         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2135         Thumb-2.
2136         (const_ok_for_arm): Handle Thumb-2 constants.
2137         (arm_gen_constant): Ditto.  Use movw when available.
2138         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2139         functions.
2140         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2141         (thumb_find_work_register, arm_load_pic_register,
2142         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2143         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2144         print_multi_reg, output_mov_long_double_fpa_from_arm,
2145         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2146         output_mov_double_fpa_from_arm, output_move_double,
2147         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2148         output_return_instruction, arm_output_function_prologue,
2149         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2150         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2151         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2152         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2153         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2154         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2155         '!' and 'L'.
2156         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2157         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2158         (arm_file_start): Output directive for unified syntax.
2159         (arm_unwind_emit_set): Handle stack alignment instruction.
2160         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2161         Add v6t2, v7, v7a, v7r and v7m.
2162         (RETLDM): Add Thumb-2 code.
2163         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2164         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2165         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2166         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2167         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2168         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2169         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2170         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2171         ADJUST_INSN_LENGTH): Define.
2172         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2173         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2174         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2175         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2176         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2177         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2178         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2179         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2180         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2181         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2182         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2183         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2184         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2185         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2186         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2187         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2188         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2189         cortex-m3.
2190         * config/arm/arm-tune.md: Regenerate.
2191         * config/arm/arm-protos.h: Update prototypes.
2192         * config/arm/vfp.md: Enable patterns for Thumb-2.
2193         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2194         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2195         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2196         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2197         * config/arm/libunwind.S: Add Thumb-2 code.
2198         * config/arm/constraints.md: Update include Thumb-2.
2199         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2200         * config/arm/ieee754-df.S: Ditto.
2201         * config/arm/bpabi.S: Ditto.
2202         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2203         * config/arm/predicates.md (low_register_operand,
2204         low_reg_or_int_operand, thumb_16bit_operator): New.
2205         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2206         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2207         * config/arm/t-arm-elf: Add armv7 multilib.
2208         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2209         Include thumb2.md.
2210         (UNSPEC_STACK_ALIGN, ce_count): New.
2211         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2212         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2213         insns/expanders.
2214         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2215         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2216         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2217         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2218         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2219         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2220         insns.
2221         * doc/extend.texi: Document ARMv7-M interrupt functions.
2222         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2223
2224 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2225
2226         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2227         (struct _Unwind_Context): Rename args_size to flags, remove
2228         signal_frame field, add a new args_size field and version field.
2229         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2230         _Unwind_IsExtendedContext): New inline functions.
2231         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2232         Assume by_value array is only present if _Unwind_IsExtendedContext.
2233         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2234         _Unwind_IsSignalFrame.
2235         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2236         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2237         (uw_init_context_1): Initialize context->flags to
2238         EXTENDED_CONTEXT_BIT.
2239         * config/rs6000/linux-unwind.h (frob_update_context): Use
2240         _Unwind_SetSignalFrame.
2241
2242 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2243
2244         PR middle-end/30353
2245         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2246         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2247         the value.
2248
2249 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2250
2251         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2252         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2253         RET, AT_SP): Remove.
2254         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2255         instead of RET.
2256
2257         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2258         * cfgbuild.c (find_basic_blocks): Likewise.
2259         * cfgrtl.c (rtl_create_basic_block): Likewise.
2260         * function.c (temp_slots_at_level): Likewise.
2261         * reg-stack.c (stack_regs_mentioned): Likewise.
2262         * regclass.c (allocate_reg_info): Likewise.
2263         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2264         set_bb_for_stmt, move_block_to_fn): Likewise.
2265         * tree-complex.c (tree_lower_complex): Likewise.
2266         * vec.h (VEC_safe_grow_cleared): New.
2267
2268         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2269
2270 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2271
2272         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2273         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2274         to loop_version.
2275         * cfgloopmanip.c (scale_loop_frequencies): Export.
2276         (loopify): Scale the frequencies by prescribed coefficients.
2277         (set_zero_probability): New function.
2278         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2279         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2280         and frequencies according to arguments.
2281         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2282         correctly.
2283         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2284         * modulo-sched.c (sms_schedule): Set probabilities for entering
2285         versioned loop correctly.
2286         * tree-vect-transform.c (vect_transform_loop): Ditto.
2287         * cfgloop.h (loopify, loop_version): Declaration changed.
2288         (scale_loop_frequencies): Declared.
2289
2290 2007-01-02  Jan Hubicka  <jh@suse.cz>
2291
2292         * cgraph.c: Include tree-flow.h
2293         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2294         early_local_passes.
2295         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2296         * tree-pass.h (pass_all_early_optimizations): Declare.
2297         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2298         early_local_passes.
2299         (cgraph_analyze_function): Do early_local_passes.
2300         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2301         Do not add referenced vars.
2302         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2303         SSA form.
2304         (gate_all_early_local_passes): New gate.
2305         (pass_early_local_passes): Use new gate.
2306         (execute_early_local_optimizations): New functions.
2307         (gate_all_early_optimizations): New gate.
2308         (pass_all_early_optimizations): New pass.
2309         (execute_free_datastructures): Free SSA only when initialized.
2310         (gate_init_datastructures): Init only when optimizing.
2311         (tree_lowering_passes): Do early local passes when called late.
2312         * tree-profile.c (do_tree_profiling): Don't profile functions added
2313         late.
2314         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2315         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2316         not active.
2317         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2318         during early_local_passes.
2319         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2320
2321
2322 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2323
2324         * Makefile.in: Update copyright year.
2325
2326 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2327
2328         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2329         in $(lang_checks) and check-consistency targets.
2330
2331 2007-01-02  Jan Hubicka  <jh@suse.cz>
2332
2333         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2334         Do not add referenced vars.
2335         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2336         are not active.
2337         * passes.c (init_optimization_passes): Put mudflap_2 after
2338         free_datastructures.
2339
2340 2007-01-02  Jan Hubicka  <jh@suse.cz>
2341
2342         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2343         Set NOTHROW flag on call statements proved to be nothrow.
2344         Update statement of local calls so new pure/const functions are
2345         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2346         goto receivers.
2347         (tree_rest_of_compilation): Register hooks and initialize bitmap
2348         early. Do not set after_inlining flag.
2349
2350 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2351
2352         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2353         HOST_BITS_PER_LONGLONG
2354
2355 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2356
2357         PR c/19977
2358         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2359         warning for non-static initializers.
2360
2361 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2362
2363         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2364         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2365         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2366         Always use set_unique_reg_note to add REG_EQUAL notes.
2367
2368 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2369
2370         Revert:
2371         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2372
2373         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2374         * cfgbuild.c (find_basic_blocks): Likewise.
2375         * cfgrtl.c (rtl_create_basic_block): Likewise.
2376         * function.c (temp_slots_at_level): Likewise.
2377         * reg-stack.c (stack_regs_mentioned): Likewise.
2378         * regclass.c (allocate_reg_info): Likewise.
2379         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2380         set_bb_for_stmt, move_block_to_fn): Likewise.
2381         * tree-complex.c (tree_lower_complex): Likewise.
2382         * vec.h (VEC_safe_grow_cleared): New.
2383
2384 2007-01-02  Ian Lance Taylor  <iant@google.com>
2385
2386         * c-common.c (c_common_truthvalue_conversion): When warning about
2387         using an assignment as a truth value, set TREE_NO_WARNING.
2388
2389 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2390
2391         PR middle-end/7651
2392         * c.opt (Wold-style-declaration): New.
2393         * doc/invoke.texi (C-only Warning Options): New.
2394         (Wold-style-declaration): Document it.
2395         (Wextra): Enabled by -Wextra.
2396         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2397         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2398         -Wold-style-declaration.
2399
2400 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2401
2402         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2403         * cfgbuild.c (find_basic_blocks): Likewise.
2404         * cfgrtl.c (rtl_create_basic_block): Likewise.
2405         * function.c (temp_slots_at_level): Likewise.
2406         * reg-stack.c (stack_regs_mentioned): Likewise.
2407         * regclass.c (allocate_reg_info): Likewise.
2408         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2409         set_bb_for_stmt, move_block_to_fn): Likewise.
2410         * tree-complex.c (tree_lower_complex): Likewise.
2411         * vec.h (VEC_safe_grow_cleared): New.
2412
2413 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2414
2415         * c-common.c(c_common_nodes_and_builtins): Since variants of
2416         void_type_node get built before it is given a name, we need to
2417         give those variants the name, too.
2418         (complete_array_type): We need to work with the canonical main
2419         type of the array, from which we will build the qualified version.
2420         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
2421         * print-tree.c (print_node): Display canonical type information
2422         for each type.
2423         * stor-layout.c (layout_type): When we don't know the
2424         alignment of a type for which we're building an array, we end up
2425         guessing wrong, so make the type require structural equality.
2426         * tree.c (make_node_stat): When we build a new type, it is its
2427         own canonical type.
2428         (build_type_attribute_qual_variant): When building an attribute
2429         variant, its canonical type is the non-attribute variant. However,
2430         if the attributes are target-dependent and they differ, we need to
2431         use structural equality checks for this type.
2432         (build_qualified_type): A qualified type is not equivalent to its
2433         unqualified variant; set the canonical type appropriately.
2434         (build_distinct_type_copy): When building a distinct type from
2435         another type, the new type is its own canonical type.
2436         (build_variant_type_copy): When building a new type variant, we
2437         assume that it is equivalent to the original type.
2438         (build_pointer_type_for_mode): When building a pointer type, also
2439         build a canonical type pointer.
2440         (build_reference_type_for_mode): When building a reference type,
2441         also build a canonical type reference.
2442         (build_index_type): When we can't hash an index type (e.g.,
2443         because its maximum value is negative), the index type requires
2444         structural equality tests.
2445         (build_array_type): Build the canonical form of an array type.
2446         (build_function_type): Function types require structural equality,
2447         because they contain default arguments, attributes, etc.
2448         (build_method_type_directly): Ditto for method types.
2449         (build_offset_type): Build the canonical offset type.
2450         (build_complex_type): Build the canonical vector type.
2451         (make_vector_type): Build the canonical vector type.
2452         * tree.h (TYPE_CANONICAL): New.
2453         (TYPE_STRUCTURAL_EQUALITY_P): New.
2454         (SET_TYPE_STRUCTURAL_EQUALITY): New.
2455         (struct tree_type): Added "canonical" field.
2456         * params.h (VERIFY_CANONICAL_TYPES): New.
2457         * doc/c-tree.texi (TYPE_CANONICAL): Document.
2458         (TYPE_STRUCTURAL_EQUALITY_P): Document.
2459         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
2460         * doc/invoke.texi (verify-canonical-types): Document --param
2461         parameter for verifying canonical types.
2462
2463 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2464
2465         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
2466         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2467         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2468         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2469         tm_file.
2470         * config/rs6000/e500.h: New.
2471         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2472         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2473         Remove.
2474         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2475         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2476         TARGET_E500_DOUBLE): Remove.
2477         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2478         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2479         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2480         * config/rs6000/rs6000.c (rs6000_override_options): Use
2481         CHECK_E500_OPTIONS.
2482
2483 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2484
2485         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2486         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2487         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2488         rs6000_emit_cmove): Don't check TARGET_E500.
2489         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2490         sordered): Don't check TARGET_E500.
2491
2492 2007-01-01  Eric Christopher  <echristo@apple.com>
2493
2494         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2495         HARD_REGISTER_NUM_P.
2496
2497 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2498
2499         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2500         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2501         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2502         eq/ne Y".
2503
2504 2007-01-01  Mike Stump  <mrs@apple.com>
2505
2506         * configure.ac: Remove support for building with Apple's gcc-3.1.
2507
2508 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2509
2510         PR middle-end/30311
2511         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2512         REG is a hard register.  Do not modify REG before calling
2513         subreg_nregs.
2514         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2515         multiple of the size of YMODE for certain lowpart cases.
2516
2517 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2518
2519         PR middle-end/30253
2520         * gimplify (voidify_wrapper_expr): Update for
2521         GIMPLE_MODIFY_STMT.
2522
2523 2007-01-01  Andreas Schwab  <schwab@suse.de>
2524
2525         PR target/29166
2526         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2527         save of BR0 in extra_spill_size instead of spill_size.
2528         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2529         area.
2530         (ia64_expand_epilogue): Restore BR0 from its new location.
2531
2532 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2533
2534         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
2535         Use a temporary variable if the left hand side is not a gimple
2536         register.
2537
2538 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2539
2540         * gimplify.c (gimplify_return_expr): Make the temporary variable
2541         for the return expression, a gimple register variable.
2542
2543 2007-01-01  Jan Hubicka  <jh@suse.cz>
2544
2545         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
2546         INSN_LIST.
2547
2548 2007-01-01  Mike Stump  <mrs@apple.com>
2549
2550         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
2551         .literal16.
2552         * config/darwin.c (machopic_select_rtx_section): Use
2553         HAVE_GAS_LITERAL16.
2554         (darwin_mergeable_constant_section): Likewise.
2555         * configure: Regenerate.
2556         * config.in: Regenerate.
2557
2558 2007-01-01  Jan Hubicka  <jh@suse.cz>
2559             Andrew Pinski  <pinskia@gmail.com>
2560
2561         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
2562         before starting IPA passes.