* passes.c (init_optimization_passes): Do not rerun
[official-gcc.git] / gcc / ChangeLog
blobb866ea0b49b1524c92175b3a5d3cbf197565c62a
1 2007-01-22  Jan Hubicka  <jh@suse.cz>
3         * passes.c (init_optimization_passes): Do not rerun
4         pass_early_warn_uninitialized.
6 2007-01-22  Richard Guenther  <rguenther@suse.de>
8         PR tree-optimization/30038
9         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10         function.
11         (execute_cse_sincos_1): Likewise.
12         (execute_cse_sincos): Likewise.
13         (gate_cse_sincos): Likewise.
14         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
15         the cexpi() canonicalization of sincos().
16         * tree-pass.h (pass_cse_sincos): Declare.
17         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
19 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
21         PR rtl-optimization/29329
22         * combine.c (replaced_rhs_insn): Rename to i2mod.
23         (replaced_rhs_value): Rename to i2mod_new_rhs.
24         (i2mod_old_rhs): New global variable.
25         (combine_instructions): Adjust for above change.  Save a copy of
26         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
27         note are substituted in the second instruction.
28         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
29         ditch the note if it pertains to the second eliminated register
30         and this register is mentioned in i2mod_old_rhs.
32         Revert:
33         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
35         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
36         the insn to which the note was originally attached.
38 2007-01-21  Jan Hubicka  <jh@suse.cz>
40         * ipa-inline.c (inlining_mode): Comment, move up.
41         (cgraph_decide_inlining_incrementally): Do not perform inlining itself;
42         fix handling of flattening of self recursive functions.
43         (cgraph_find_cycles): Remove.
44         (cgraph_flatten_node): Remove.
45         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
46         (try_inline): New function.
47         (cgraph_early_inlining): Update call of
48         cgraph_decide_inlining_incrementally.  Apply inlining here.
49         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
51 2007-01-21  Dirk Mueller  <dmueller@suse.de>
53         PR bootstrap/30511
54         * tree-vrp.c (check_array_bounds): do not warn
55         about ADDR_EXPR's of ARRAY_REF's which are immediately
56         used in binary expressions.
58 2007-01-21  Ira Rosen  <irar@il.ibm.com>
60         * tree-vectorizer.h (struct _stmt_vec_info): Add new field 
61         read_write_dep and macros for its access.
62         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
63         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove 
64         argument, call vect_check_interleaving for every independent pair of
65         data-refs. Mark loads that access the same memory location as a store
66         in the loop.
67         (vect_check_dependences): Remove.
68         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences 
69         call, fix the call to vect_analyze_data_ref_dependence.
70         (vect_analyze_data_ref_access): For statements that access the same 
71         data-ref, check that they are not stores; for loads, check that there
72         is no store that access the same location.
74 2007-01-20  Roger Sayle  <roger@eyesopen.com>
75             Joseph Myers  <joseph@codesourcery.com>
77         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
78         (-fdump-rtl-stack): Likewise.
79         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
80         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
81         (-mpt-fixed): Use @minus{} for minus sign.
82         (Using Precompiled Headers): Fix under/overfull hbox.
84 2007-01-20  Jan Hubicka  <jh@suse.cz>
86         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
87         place within annotation.
89 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
91         * pa.c (output_move_double): Change array size of xoperands to 4.
93 2007-01-20  Jan Hubicka  <jh@suse.cz>
95         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
96         as temporary.
98 2007-01-19  Ian Lance Taylor  <iant@google.com>
100         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
101         constant to unsigned HOST_WIDE_INT before negating.
103 2007-01-19  Ian Lance Taylor  <iant@google.com>
105         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
106         to unsigned.
107         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
108         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
109         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
110         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
111         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
112         (realloc_vdef, realloc_vuse): Change second parameter to
113         unsigned.
114         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
115         fields to unsigned.
116         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
117         unsigned. Change x and lim locals to unsigned.
118         (realloc_vdef, realloc_vuse): Change num_elem parameter to
119         unsigned.
120         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
121         (copy_virtual_operands): Change i and n locals to unsigned.
123 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
125         PR middle-end/29335
126         * builtins.c (fold_builtin_1): Handle builtin fdim.
128 2007-01-20  Jan Hubicka  <jh@suse.cz>
130         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
131         * tree-ssa-structalias.c (compute_points_to_sets): Do call
132         init_alias_heapvars.
133         (init_alias_heapvars): Initialize only when not already initialized.
134         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
136 2007-01-19  Roger Sayle  <roger@eyesopen.com>
138         * common.opt (fsigned-zeros): New command line option.
139         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
140         of flag_unsafe_math_optimizations.
141         * opts.c (set_fast_math_flags): The -ffast-math command line option
142         implies -fno-signed-zeros.
143         (fast_math_flags_set_p): Likewise.
145         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
146         the documentation of -ffast-math appropriately.  Wrap long lines.
148 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
150         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
151         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
153 2007-01-19  Tomas Bily  <tbily@suse.cz>
155         * cgraphunit.c (cgraph_finalize_function): Updating of pid
156         * tree-profile.c:
157         (tree_init_ic_make_global_vars): New function
158         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
159         (tree_gen_ic_profiler): New function
160         (tree_gen_ic_func_profiler): New function
161         (tree_profiling): Added calling of tree_gen_ic_func_profiler
162         (tree_profile_hooks): Added hook for indirec/virtual calls
163         * value-prof.c (tree_find_values_to_profile): New case for
164         indirect calls
165         (tree_values_to_profile): Call for determining indirect/virtual
166         counters
167         (tree_indirect_call_to_profile): New function
168         (tree_ic_transform): New function
169         (tree_ic): New function
170         (find_func_by_pid): New function
171         (init_pid_map): New function
172         (tree_value_profile_transformations): Added check for
173         indirect/virtual call transformation
174         * value-prof.h (enum hist_type): New counter type for
175         indirect/virtual calls
176         (profile_hooks): Added new hook for profiling indirect/virtual
177         calls
178         * profile.c (instrument_values): New case for indirect/virtual
179         call added
180         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
181         (GCOV_COUNTER_V_INDIR): New counter type
182         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
183         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
184         call added
185         * cgraph.c: Definition of cgraph_max_pid
186         (cgraph_create_node): Default init of pid attribute
187         * cgraph.h: Declaration of cgraph_max_pid
188         (struct cgraph_node): Added pid attribute
189         * libgcov.c (__gcov_indirect_call_profiler): New function
190         (__gcov_one_value_profiler_body): New function
191         (__gcov_one_value_profiler): Body was moved to
192         __gcov_one_value_profiler_body and calls it
194 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
195         
196         * doc/gty.texi (Options): Document the mark_hook option to GTY.
197         * gengtype.c (write_types_data, write_func_for_structure,
198         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
199         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
200         (walk_type, write_func_for_structure): Generate the mark_hook if
201         needed.
203 2007-01-19  Jan Hubicka  <jh@suse.cz>
205         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
206         'early' argument take inlining mode argument specifying whether to
207         inline for size/speeed or all functions; add support for flattening;
208         improve dumpting.
209         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
211 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
213         PR c++/17947
214         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
215         the name of the declared identifier.
216                 
217 2007-01-19  Dirk Mueller  <dmueller@suse.de>
219         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
220         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
221         duplicate evaluation.
223 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
225         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
226         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
227         to XFMode, use acosxf2 and truncate result to requested mode.
228         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
229         (asin<mode>2): Similarly, with asin expanders.
230         (*fscalexf4_i387): Rename from *fscalexf4.
231         (expNcorexf3): New expander.
232         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
233         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
234         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
235         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
236         patterns for SSE math.
237         (exp10<mode>2): Similarly, with exp10 expanders.
238         (exp2<mode>2): Similarly, with exp2 expanders.
239         (expm1<mode>2): Similarly, with expm1 expanders.
240         (ldexp<mode>3): Similarly, with ldexp expanders.
241         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
242         Use gen_truncxf<mode>2_i387_noop to truncate result.
244 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
246         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
247         for ColdFire targets.
249 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
250             Richard Sandiford  <richard@codesourcery.com>
252         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
253         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
254         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
255         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
256         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
257         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
259 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
261         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
262         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
263         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
264         (*adddi_dilshr32_cf): New pattern.
265         (adddi3, subdi3): Remove first alternatives.
267 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
269         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
270         implemented using move.l, do not use its cc result for floating-point
271         comparisons.
273 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
275         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
276         from accepting 's' constraints if flag_pic.
278 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
280         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
281         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
282         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
283         condition from TARGET_68881 to TARGET_HARD_FLOAT.
285 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
287         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
288         ColdFire alternatives.
289         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
290         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
291         architectures that support ff1 instruction.
293 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
294             Julian Brown  <julian@codesourcery.com>
296         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
297         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
298         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
299         Add commentary.
301 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
303         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
304         and return a bool.
305         (output_move_const_into_data_reg, output_move_simode_const): Delete.
306         * config/m68k/m68k.c (const_method, const_int_cost): Take a
307         HOST_WIDE_INT instead of an rtx.
308         (m68k_rtx_costs): Update call accordingly.
309         (output_move_const_into_data_reg): Likewise.  Fix formatting.
310         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
311         Return a bool.
312         (output_move_simode_const): Update calls after above changes.
313         Rework to use automatic variables and predicates like MEM_P.
314         * config/m68k/m68k.md (pushexthisi_const): Update call to
315         valid_mov3q_const.
317 2007-01-19  Dirk Mueller  <dmueller@suse.de>
319         * tree-ssa-alias.c (perform_var_substitution): Fix typo
320         in dump_flags test.
322 2007-01-19  Richard Guenther  <rguenther@suse.de>
324         * builtins.c (expand_builtin_cexpi): Fall back to expanding
325         via cexp in case sincos is not available.
327 2007-01-19  Richard Guenther  <rguenther@suse.de>
329         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
330         * defaults.h (TARGET_HAS_SINCOS): Default to off.
331         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
332         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
333         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
334         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
335         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
336         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
338 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
340         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
341         New insn patterns.
342         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
343         (atan2xf3): Directly generate RTL pattern.
344         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
345         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
346         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
347         disable patterns for SSE math.
348         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
349         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
350         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
351         disable patterns for SSE math.
353 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
355         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
357 2007-01-18  Roger Sayle  <roger@eyesopen.com>
359         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
360         VIEW_CONVERT_EXPR to the same type as it's operand.
362 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
364         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
365         configured for long double 128.
367 2007-01-18  Mike Stump  <mrs@apple.com>
369         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
370         error.
372 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
374         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
375         type correct.
377 2007-01-18  Jan Hubicka  <jh@suse.cz>
379         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
380         greater than NUM_VOP_FREE_BUCKETS.
382 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
384         * tree-ssa-structalias.c: Update comments.
385         (ptabitmap_obstack): Removed.
386         (pta_obstack): New.
387         (oldpta_obstack): Ditto.
388         (stats): Add a few members.
389         (struct variable_info): Remove node, complex, address_taken, and
390         indirect_target members. Add oldsolution member.
391         (new_var_info): Do not initialize removed members.
392         (constraint_expr_type): Remove INCLUDES.
393         (constraint_graph): Add size, implicit_preds, rep,
394         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
395         (FIRST_REF_NODE): New macro.
396         (LAST_REF_NODE): Ditto.
397         (FIRST_ADDR_NODE): Ditto.
398         (find): New function.
399         (unite): Ditto.
400         (dump_constraint): Do not handle INCLUDES.
401         (insert_into_complex): Do not insert duplicate constraints.
402         (condense_varmap_nodes): Renamed and rewritten into ...
403         (merge_node_constraints): This. Also fix bug in handling of
404         offseted copy constraints.
405         (clear_edges_for_node): No longer need to deal with preds at all,
406         or removing associated preds/succs. 
407         (merge_graph_nodes): Deal with indirect_cycles.
408         Don't deal with predecessors.
409         (add_implicit_graph_edge): New function.
410         (add_pred_graph_edge): Ditto.
411         (add_graph_edge): Don't deal with predecessors.
412         (build_constraint_graph): Removed.
413         (build_pred_graph): New function.
414         (build_succ_graph): Ditto.
415         (struct scc_info): Removed in_component. Added roots, dfs, and
416         node_mapping. Remove visited_index, unification_queue.
417         (scc_visit): Deal with union-find we do now.
418         Deal with cycles with REF nodes.
419         (collapse_nodes): Renamed and rewritten to ...
420         (unify_nodes): This.
421         (process_unification_queue): Removed.
422         (topo_visit): Cleanup
423         (do_da_constraint): Use find.
424         (do_sd_constraint): Ditto.
425         (do_ds_constraint): Ditto.
426         (do_complex_constraint): Ditto.
427         (init_scc_info): Update for removed and added members.
428         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
429         (find_indirect_cycles): This.
430         (equivalence_class): New variable.
431         (label_visit): New function.
432         (perform_variable_substitution): Rewritten.
433         (free_var_substitution_info): New function.
434         (find_equivalent_node): Ditto.
435         (move_complex_constraints): Ditto.
436         (eliminate_indirect_cycles): Ditto.
437         (solve_graph): Only propagate changed bits.
438         Use indirect cycle elimination.
439         Use find.
440         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
441         (tree_id_eq): Renamed to ...
442         (tree_vi_eq): This. Update for member change
443         (insert_id_for_tree): Renamed and rewritten to ...
444         (insert_vi_for_tree): This.
445         (lookup_id_for_tree): Renamed and rewritten to ...
446         (lookup_vi_for_tree): This.
447         (get_id_for_tree): Renamed and rewritten to ...
448         (get_vi_for_tree): Ditto.
449         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
450         (process_constraint): Don't handle INCLUDES.
451         Remove special ADDRESSOF case.
452         (find_func_aliases): Rewrite to use vi functions instead of id
453         ones.
454         (create_function_info_for): Ditto.
455         (create_variable_info_for): Ditto.
456         (intra_create_variable_infos): Ditto.
457         (merge_smts_into): Ditto.
458         (find_what_p_points_to): Ditto.
459         (init_base_vars): Ditto.
460         (init_alias_vars): Ditto.
461         (remove_preds_and_fake_succs): New function.
462         (dump_sa_points_to_info): Dump new stats.
463         (dump_solution_for_var): Use find.
464         (set_used_smts): Fix formatting.
465         (compute_points_to_sets): Updated for new functions.
466         (ipa_pta_execute): Ditto.
468 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
469             Richard Sandiford  <richard@codesourcery.com>
471         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
472         parallels.
473         * calls.c (expand_call): If the return value is a PARALLEL,
474         extract its first member.
475         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
476         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
477         use FUNCTION_EXTRA_EPILOGUE.
478         (m68k_function_value): Return a PARALLEL if the return value
479         is of a pointer type.
480         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
481         (FUNCTION_EXTRA_EPILOGUE): Remove.
482         * config/m68k/m68k.md (D0_REG): New constant.
484 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
486         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
487         output a NOP for empty epilogues.
489 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
491         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
492         before function.  Extend register save check to include all
493         registers, not just integer ones.
495 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
497         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
498         (m68k_use_return_insn): ...this.
499         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
500         * config/m68k/m68k.c (use_return_insn): Rename to...
501         (m68k_use_return_insn): ...this.
502         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
503         of USE_RETURN_INSN.
505 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
507         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
508         nearest even, fix denormal rounding overflow.
510 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
512         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
513         f%$smove and f%$move.
514         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
515         (extendsfdf2_cf): Use fdmove instead of f%&move.
516         (truncdfsf2_cf): Use fsmove instead of f%$smove.
517         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
519 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
521         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
522         GPR<-GPR moves.
524 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
526         * real.h (real_format): Add a canonical_nan_lsbs_set field.
527         (coldfire_single_format): Declare.
528         (coldfire_double_format): Likewise.
529         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
530         of qnan_msb_set to determine the lower bits of a canonical
531         NaN significand.
532         (encode_ieee_double): Likewise.
533         (encode_ieee_quad): Likewise.
534         (ieee_single_format): Initialize canonical_nan_lsbs_set.
535         (mips_single_format): Likewise.
536         (ieee_double_format): Likewise.
537         (mips_double_format): Likewise.
538         (ieee_extended_motorola_format): Likewise.
539         (ieee_extended_intel_96_format): Likewise.
540         (ieee_extended_intel_128_format): Likewise.
541         (ieee_extended_intel_96_round_53_format): Likewise.
542         (ibm_extended_format): Likewise.
543         (mips_extended_format): Likewise.
544         (ieee_quad_format): Likewise.
545         (mips_quad_format): Likewise.
546         (vax_f_format): Likewise.
547         (vax_d_format): Likewise.
548         (vax_g_format): Likewise.
549         (i370_single_format): Likewise.
550         (i370_double_format): Likewise.
551         (decimal_single_format): Likewise.
552         (decimal_double_format): Likewise.
553         (decimal_quad_format): Likewise.
554         (c4x_single_format): Likewise.
555         (c4x_extended_format): Likewise.
556         (real_internal_format): Likewise.
557         (coldfire_single_format): New real_format.
558         (coldfire_double_format): Likewise.
559         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
560         canonical_nan_lsbs_set.
561         (pdp11_d_format): Likewise.
562         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
563         if TARGET_COLDFIRE_CPU.
565 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
567         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
568         (output_call, m68k_legitimize_call_address): Declare.
569         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
570         parenthesees.  Add support for a 'W' constraint.
571         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
572         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
573         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
574         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
575         variables.
576         (override_options): Initialize them.  Do not set flag_no_function_cse
577         for TARGET_ID_SHARED_LIBRARY.
578         (m68k_output_pic_call): Delete.
579         (m68k_legitimize_call_address): New function.
580         (print_operand): Remove the %o prefix.  Handle the %p prefix.
581         (output_call): New function.
582         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
583         target address from the GOT if symbolic jumps are not allowed.
584         * config/m68k/m68k.md (call, general_operand): Do not set
585         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
586         Merge separate flag_pic and !flag_pic define_insns into...
587         (*call, *call_value): ...these new patterns.  Match the address
588         rather than the containing MEM and require it to be a call_operand.
589         Use output_call to generate the asm template.
590         * config/m68k/predicates.md (const_call_operand): New predicate.
591         (call_operand): Likewise.
593 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
595         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
596         (STACK_GROWS_DOWNWARD): Define to 1.
597         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
598         comments, emphasizing that these values are only defaults.
599         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
600         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
602 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
604         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
606 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
607             Richard Sandiford  <richard@codesourcery.com>
609         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
610         (FP_REGNO_P): New macros.
611         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
612         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
613         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
614         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
616 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
618         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
619         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
620         to $tmake_file.
621         * config/m68k/t-floatlib: New file, extracting common code from...
622         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
623         * config/m68k/t-uclinux: Here.
624         * config/m68k/fpgnulib.c: Do not compile extendeed precision
625         routines on ColdFire targets.
627 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
629         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
630         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
631         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
632         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
633         explicitly set MOTOROLA to 1.
634         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
636 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
637             Nathan Sidwell  <nathan@codesourcery.com>
639         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
640         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
641         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
642         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
643         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
644         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
645         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
646         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
647         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
648         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
649         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
650         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
651         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
652         (DBX_REGISTER_NUMBER): Delete.
653         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
654         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
655         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
657 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
659         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
660         * config/flat.h: New file.
661         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
662         OBJECT_FORMAT_FLAT.
663         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
664         indirect references for -msep-data or -mid-shared-library.
665         Do not use PC-relative code addresses either.
666         * config/m68k/m68k.c (override_options): Restrict -fPIC error
667         to -mpcrel.
668         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
669         for shared libraries and crt1.o for executables.  Use crti.o and
670         crtbegin.o.
671         (ENDFILE_SPEC): Use crtend.o and crtn.o.
672         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
673         Do not add -elf2flt or -shared-lib-id options here.
674         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
675         Pass -shared-lib-id if -mid-shared-library, taking the library
676         identifier from -mshared-library-id if given, otherwise
677         defaulting to 0.
678         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
679         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
680         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
681         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
682         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
683         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
684         and crtend.o.
685         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
686         jump sequence for ISA A and ISA A+.
687         (PICJUMP): Likewise.
689 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
691         * config.gcc (m68k-*-uclinux*): Base the port on the common
692         and m68k GNU/Linux files rather than on the generic ELF ones.
693         * config/m68k/uclinux.h (TARGET_VERSION): Override.
694         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
696 2007-01-18  Julian Brown  <julian@codesourcery.com>
697             Richard Sandiford  <richard@codesourcery.com>
699         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
700         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
701         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
702         before redefining.
703         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
704         80 unconditionally.
705         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
707 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
709         * doc/install.texi: Document m68k-uclinuxoldabi.
710         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
711         * config/m68k/uclinux-oldabi.h: New file, copied from
712         config/m68k/uclinux.h.
714 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
716         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
717         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
718         (m32r_compute_frame_size): Use unsigned for regno.
719         (m32r_reload_lr): Use gen_frame_mem.
720         (pop): New.
721         (m32r_output_function_epilogue): Don't output the function epilogue
722         textually here.
723         (m32r_expand_epilogue): New.
724         (direct_return): Return false if the function has the interrupt
725         attribute.
726         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
727         * config/m32r/m32r.md (epilogue): New expander.
728         (return_lr, return_rte): New insns.
729         (return): Make it expander.
730         (return_normal): New expander.
732 2007-01-18  Josh Conner  <jconner@apple.com>
734         PR target/30485
735         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
736         support for UNLE, UNLT, UNGE, and UNGT.
738 2007-01-18  Jan Hubicka  <jh@suse.cz>
740         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
741         * tree-tailcall (add_virtual_phis): Likewise.
742         (optimize_tail_call): Return TODOs.
743         (execute_tail_calls): Return TODOs.
744         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
745         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
746         changed.
747         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
748         Cleanup cfg using TODO.
749         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
750         * passes.c (execute_function_todo): When cleanup did something, remove
751         unused locals.
752         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
753         (make_edges): Don't cleanup_cfg.
755 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
757         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
758         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
759         operate on the top of stack.
760         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
761         register handling of instructions that output to the second
762         stack slot.
763         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
764         (move_for_stack_reg): Special-case check for dead destination
765         stack slot for constant load of 1.0 inside UNSPEC_TAN.
767         * config/i386/i386.md (UNSPEC_TAN): New constant.
768         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
769         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
770         to correctly model move of constant 1.0 to top stack slot.
771         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
772         (unnamed peephole2 pattern): Remove corresponding peephole2
773         pattern that optimizes tan insn and loading of constant 1.0.
774         (tanxf2): Use fptanxf4_i387.
775         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
776         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
777         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
778         disable patterns for SSE math.
779         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
780         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
782 2007-01-18  Dirk Mueller  <dmueller@suse.de>
783             Richard Guenther <rguenther@suse.de>
785         PR diagnostic/8268
786         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
787         * common.opt (Warray-bounds): Add new warning option.
788         * c-opts.c (c_common_handle_option): Define -Warray-bounds
789         if -Wall is given.
790         * Makefile.in: make tree-vrp.o depend on toplev.h
791         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
792         is enabled.
793         (check_array_refs, check_array_bounds, check_array_ref): New.
795 2007-01-18  Jan Hubicka  <jh@suse.cz>
797         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
798         (execute_ssa_ccp): Return flags conditionally.
799         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
800         changed.
801         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
803 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
805         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
806         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
808         * Makefile.c (GTFILES): Add cfglayout.h.
809         * gengtype.c (open_base_files): Likewise.
810         * cfglayout.c (cfg_layout_function_footer,
811         cfg_layout_function_header) Reindent to make gengtype happy.
812         * cfglayout.h (cfg_layout_function_footer,
813         cfg_layout_function_header): Add GTY(()) marker.
815         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
817 2007-01-18  Ben Elliston  <bje@au.ibm.com>
819         * genautomata.c (write_automata): Include xstrerror output in the
820         error message if writing the DFA description file fails.
822 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
824         * config/mips/mips-protos.h (mips_output_external): Make it
825         return void.
826         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
827         * config/mips/mips.c (irix_output_external_libcall): Likewise.
828         (extern_list): Likewise.
829         (extern_head): Likewise.
830         (TARGET_ASM_FILE_END): Likewise.
831         (mips_file_end): Likewise.
832         (mips_output_external): Rewritten.
834 2007-01-18  Ben Elliston  <bje@au.ibm.com>
836         * genpreds.c (write_insn_preds_c): Only write out the function
837         body for regclass_for_constraint if we have register constraints.
839 2007-01-17  Tom Tromey  <tromey@redhat.com>
841         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
842         * doc/install.texi (Testing): Use sourceware.org.
843         (Binaries): Likewise.
844         (Specific): Likewise.
845         * doc/contrib.texi (Contributors): Use sourceware.org.
847 2007-01-17  Anatoly Sokolov <aesok@post.ru>
849         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
850         (AVR_ENHANCED): Rename to ...
851         (AVR_HAVE_MUL): ... new.
852         (avr_enhanced_p): Rename to ...
853         (avr_have_mul_p): ... new.
854         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of 
855         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
856         * config/avr/avr.c (avr_enhanced_p): Rename to ...
857         (avr_have_mul_p): ... new.
858         (base_arch_s): Rename 'enhanced' to 'have_mul'.
859         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
860         'avr_enhanced_p' and 'enhanced'.
861         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use 
862         AVR_HAVE_MUL instead of AVR_ENHANCED.
863         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
864         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3, 
865         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL 
866         instead of AVR_ENHANCED.
867         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
868         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
869         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
871 2007-01-17  Ian Lance Taylor  <iant@google.com>
873         * vec.h (VEC_reserve_exact): Define.
874         (vec_gc_p_reserve_exact): Declare.
875         (vec_gc_o_reserve_exact): Declare.
876         (vec_heap_p_reserve_exact): Declare.
877         (vec_heap_o_reserve_exact): Declare.
878         (VEC_OP (T,A,reserve_exact)): New static inline function, three
879         versions.
880         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
881         negative parameter.
882         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
883         (VEC_OP (T,A,copy)) [all versions]: Likewise.
884         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
885         * vec.c (calculate_allocation): Add exact parameter.  Change all
886         callers.
887         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
888         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
889         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
890         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
891         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
892         (vec_heap_p_reserve_exact): New function.
893         (vec_heap_o_reserve_exact): New function.
895 2007-01-17  Jan Hubicka  <jh@suse.cz>
897         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
899 2007-01-17  Eric Christopher  <echristo@apple.com>
901         * config.gcc: Support core2 processor.
903 2007-01-16  Jan Hubicka  <jh@suse.cz>
905         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
906         the names, just unlink the chain so we don't crash on dangling pointers
907         to dead SSA names.
909 2007-01-16  Jan Hubicka  <jh@suse.cz>
911         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
912         * tree-pass.h: Reorder to make IPA passes appear toegher.
913         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
914         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
915         parameters, do not call early inliner.
916         * ipa-inline.c: Update comments.  Include tree-flow.h
917         (cgraph_decide_inlining): Do not compute inlining parameters.
918         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
919         be called with function context set up.
920         (pass_ipa_inline): Remove unreachable functions before pass.
921         (cgraph_early_inlining): Simplify assuming to be called from the
922         PM as local pass.
923         (pass_early_inline): New pass.
924         (cgraph_gate_ipa_early_inlining): New gate.
925         (pass_ipa_early_inline): Turn into simple wrapper.
926         (compute_inline_parameters): New function.
927         (gate_inline_passes): New gate.
928         (pass_inline_parameters): New pass.
929         (apply_inline): Move here from tree-optimize.c
930         (pass_apply_inline): New pass.
931         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
932         transforming.
933         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
934         doing them by hand.
935         (tree_function_versioning): Do not allocate dummy struct function.
936         * tree-inline.h (optimize_inline_calls): Update prototype.
937         * tree-optimize.c (execute_fixup_cfg): Export.
938         (pass_fixup_cfg): Remove
939         (tree_rest_of_compilation): Do not apply inlines.
940         * tree-flow.h (execute_fixup_cfg): Declare.
941         * Makefile.in (gt-passes.c): New.
942         * passes.c: Include gt-passes.h
943         (init_optimization_passes): New passes.
944         (nnodes, order): New static vars.
945         (do_per_function_toporder): New function.
946         (execute_one_pass): Dump current pass here.
947         (execute_ipa_pass_list): Don't dump current pass here.
949 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
951         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
952         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
954 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
956         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
957         (strong_alias): Define.
958         (__gcc_qmul): Provide non-FMA for soft-float.
959         (__gcc_qdiv): Same.
960         (__gcc_qneg): New.
961         (__gcc_qeq): New.
962         (__gcc_qle): New.
963         (__gcc_qge): New.
964         (__gcc_qunord): New.
965         (__gcc_stoq): New.
966         (__gcc_dtoq): New.
967         (__gcc_qtos): New.
968         (__gcc_qtod): New.
969         (__gcc_qtoi): New.
970         (__gcc_qtou): New.
971         (__gcc_itoq): New.
972         (__gcc_utoq): New.
973         (fmsub): New.
974         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
975         soft-float functions.
976         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
977         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
978         about long double soft float.
980 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
981             Tehila Meyzels  <tehila@il.ibm.com>
983         * tree-vectorizer.h (is_pattern_stmt_p): New.
984         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
985         formatting (tabs instead of spaces). Cleanup and clarify setting
986         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
987         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
988         (vectorizable_type_demotion): Check that types are integral.
989         (vectorizable_type_promotion): Likewise.
990         (vectorizable_store): Fix typo.  Eliminate new-line at end of
991         comments.
993 2007-01-16  Jan Hubicka  <jh@suse.cz>
995         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
996         cgraph edges too.
998 2007-01-15  Eric Christopher  <echristo@apple.com>
1000         * ifcvt.c: Include vec.h, vecprim.h.
1001         (check_cond_move_block): New argument regs.
1002         Reorganize. Add registers used to regs.
1003         (cond_move_process_if_block): Use regs set above as
1004         loop bounds.
1006 2007-01-15  Eric Christopher  <echristo@apple.com>
1008         * config/darwin.h: Update copyright.
1009         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
1010         (LINK_COMMAND_SPEC): Add -u.
1011         (LINK_SPEC): Fix umbrella for above.
1013 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
1015         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
1016         glibc CVS.
1018 2007-01-15  Tom Tromey  <tromey@redhat.com>
1020         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
1021         * doc/install.texi (Testing): Don't mention jacks.
1022         (Configuration): Document --enable-java-maintainer-mode.  Move
1023         --with-java-home to libgcj-specific section.  Document
1024         --with-ecj-jar.
1025         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
1027 2007-01-15  Jan Hubicka  <jh@suse.cz>
1029         * tree-ssa-dce.c (DCE_TODOs): New.
1030         (propagate_necessity): Return if something changed.
1031         (eliminate_unnecessary_stmts): Likewise.
1032         (perform_tree_ssa_dce): Return TODO flags when needed.
1033         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
1035 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
1037         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
1038         (fyl2x_extend<mode>xf3_i387): New insn pattern.
1039         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
1040         patterns using X87MODEF12 mode macro.  Extend operand 1
1041         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
1042         (log10<mode>2): Ditto.
1043         (log2<mode>2): Ditto.
1044         (log1p<mode>2): Ditto.
1045         (logb<mode>2): Ditto.
1046         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
1047         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
1048         (*fxtractxf3_i387): Rename from *fxtractxf3.
1049         (fxtract_extend<mode>xf3_i387): New insn pattern.
1050         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
1051         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
1052         and gen_fyl2xxf3_i387().
1054 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
1056         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
1057         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
1058         get_loop_exit_edges.  Changed return type to bool.
1059         * cfgloop.h (fix_loop_placement): Declaration removed.
1061 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
1063         * param.h (MIN_VECT_LOOP_BOUND): New.
1064         * params.def (MIN_VECT_LOOP_BOUND): New.
1065         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
1066         argument - minimum threshold for number of iterations.
1067         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
1068         argument to declaration.
1069         * tree-vect-analyze.c (vect_analyze_operations): Check value of
1070         MIN_VECT_LOOP_BOUND.
1071         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
1072         slpeel_tree_peel_loop_to_edge with additional argument.
1073         (vect_do_peeling_for_alignment): Likewise.
1074         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
1076 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
1078         PR target/30413
1079         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
1080         operands of size 1.
1082 2007-01-14  Jan Hubicka  <jh@suse.cz>
1084         * tree-dfa.c (remove_referenced_var): New function.
1085         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
1086         prune referenced vars list too.
1087         * tree-flow.h (remove_referenced_var): Declare.
1089 2007-01-14  Jan Hubicka  <jh@suse.cz>
1091         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
1092         separately.
1093         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
1094         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
1095         * except.h (verify_eh_throw_table_statements): Kill prototype.
1096         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
1097         into call exrepssions.
1098         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
1099         eh trhow verifier.
1100         * tree-cfg.c: Include pointer-set.h.
1101         (verify_node_sharing): Work on pointer set.
1102         (verify_eh_throw_stmt_node): New.
1103         (verify_stmts): Use pointers sets, verify throw_stmt.
1105 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
1107         * ipa-reference.c (analyze_function): Consider also addresses taken
1108         in phi nodes.
1110 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1112         * c-typeck.c (null_pointer_constant_p): Replace use of
1113         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1114         (build_c_cast): Likewise.
1116 2007-01-12  Roger Sayle  <roger@eyesopen.com>
1118         * tree.h (force_fit_type_double): Remove unused final argument.
1119         * c-common.c (constant_expression_warning): Replace use of
1120         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1121         (convert_and_check): Likewise.
1122         (shorten_compare): Update call to force_fit_type_double.
1123         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
1124         * convert.c (convert_to_pointer): Update call to
1125         force_fit_type_double.
1126         * fold-const.c (force_fit_type_double): Remove overflowed_const
1127         argument.
1128         (int_const_binop, fold_convert_const_int_from_int,
1129         fold_convert_const_int_from_real, fold_div_compare,
1130         fold_sign_changed_comparison, fold_unary, fold_negate_const,
1131         fold_abs_const, fold_not_const): Remove the final argument from
1132         calls to force_fit_type_double.
1134 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1136         * configure.ac: Set insn to "nop" for spu-*-* also.
1137         * configure: Regenerate.
1139 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
1141         * builtins.def : Add BUILT_IN_FREE.
1143 2007-01-12  Jan Hubicka  <jh@suse.cz>
1145         PR tree-optimization/30443
1146         * tree-inline.c (tree_function_versioning): Do not optimize when
1147         cloning for inlining.
1149 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
1151         * doc/loop.texi: Document recording of loop exits.
1152         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
1153         (update_single_exits_after_duplication,
1154         update_single_exit_for_duplicated_loop,
1155         update_single_exit_for_duplicated_loops): Removed.
1156         (duplicate_loop_to_header_edge): Do not call
1157         update_single_exits_after_duplication and
1158         update_single_exit_for_duplicated_loops.
1159         (loop_version): Do not update single_exit information.
1160         (fix_loop_structure): Use record_loop_exits instead of
1161         mark_single_exit_loops.
1162         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
1163         the lists of loop exits.
1164         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
1165         split_edge, merge_blocks): Update the lists of loop exits.
1166         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
1167         loop_optimizer_init.
1168         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
1169         of mark_single_exit_loops.
1170         (loop_optimizer_finalize): Call release_recorded_exits.
1171         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
1172         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
1173         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
1174         update single exit information.
1175         * lambda-code.c (perfect_nestify): Ditto.
1176         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
1177         (mark_single_exit_loops): Removed.
1178         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
1179         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
1180         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
1181         functions.
1182         (get_loop_exit_edges, single_exit): Use recorded exit lists.
1183         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
1184         (verify_loop_structure): Verify consistency of the exit lists.
1185         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
1186         (set_single_exit): Removed.
1187         * cfgloop.h (struct loop_exit): New function.
1188         (struct loop): single_exit_ field replaced by exits field.
1189         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
1190         (struct loops): Added exits hash.
1191         (mark_single_exit_loops, set_single_exit): Declaration removed.
1192         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
1194 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1196         * doc/invoke.texi: Avoid use of @headitem.
1198 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1200         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
1202 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1204         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
1205         list of targets.
1207 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1208             Richard Sandiford  <richard@codesourcery.com>
1210         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
1211         * config/m68k/m68k.opt: Resort options.
1212         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
1214 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1215             Richard Sandiford  <richard@codesourcery.com>
1217         * doc/invoke.texi: Document the macros that are defined by
1218         m68k's -mtune and -mhard-float options.
1219         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
1220         (m68k_cpp_cpu_family): Likewise.
1221         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
1222         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
1223         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
1224         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
1225         (m68k_cpp_cpu_family): Likewise.
1227 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1229         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
1230         macros besides mc68000 as tuning macros.  Use a switch statement
1231         to set them and mcpu32.
1233 2007-01-12  Julian Brown  <julian@codesourcery.com>
1235         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
1236         (TARGET_68040_ONLY): Rename to...
1237         (TARGET_68040): ...this.
1238         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
1239         * config/m68k/m68k.md: Likewise.
1241 2007-01-12  Julian Brown  <julian@codesourcery.com>
1242             Nathan Sidwell  <nathan@codesourcery.com>
1243             Richard Sandiford  <richard@codesourcery.com>
1245         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
1246         the -mcpu= argument associated with the --with-cpu setting.
1247         Define M68K_DEFAULT_TUNE to the default -mtune= option,
1248         if different from the one implied by the -mcpu setting.
1249         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
1250         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
1251         * doc/invoke.texi: Mention ColdFire in the introduction to the
1252         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
1253         -mno-div and -mhard-float options.  Make -m68881 a synonym for
1254         -mhard-float.  Document the previously-undocumented -m5206e,
1255         -m528x, -m5307 and -m5407 options.  Tweak the existing option
1256         documentation for consistency.
1257         * doc/install.texi: Mention new --with-cpu arguments.
1258         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
1259         default CPU if neither -mcpu nor -march are specified.
1260         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
1261         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
1262         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
1263         using m68k_tune to decide between families that implement the
1264         same ISA.  Use m68k_tune to set __mcfv4e__.
1265         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
1266         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
1267         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
1268         (FL_ISA_C, FL_ISA_MMU): New macros.
1269         (MASK_COLDFIRE): Delete.
1270         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
1271         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
1272         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
1273         (TARGET_HARD_FLOAT): Do not define here.
1274         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
1275         (TUNE_68000): New macro.
1276         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
1277         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
1278         (TUNE_CFV2): Redefine in terms of m68k_tune.
1279         (uarch_type, target_device, fpu_type): New enums.
1280         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
1281         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
1282         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
1283         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
1284         (FL_FOR_isa_c): New macros.
1285         (m68k_isa): New enum.
1286         (m68k_target_selection): New structure.
1287         (all_devices, all_isas, all_microarchs): New tables.
1288         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
1289         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
1290         (MASK_ALL_CPU_BITS): Delete.
1291         (m68k_find_selection): New function.
1292         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
1293         Map the legacy target options to a combination of the new ones.
1294         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
1295         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
1296         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
1297         settings.
1298         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
1299         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
1300         properties.
1301         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
1302         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
1303         * config/m68k/m68k-devices.def: New file.
1305 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1306             Nathan Sidwell  <nathan@codesourcery.com>
1308         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
1309         (SUBTARGET_EXTRA_SPECS): New macros.
1310         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
1311         use %(asm_cpu_spec) instead.
1312         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
1313         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
1314         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
1315         (EXTRA_SPECS): Rename to...
1316         (SUBTARGET_EXTRA_SPECS): ...this.
1318 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
1319             Richard Sandiford  <richard@codesourcery.com>
1320             Julian Brown  <julian@codesourcery.com>
1322         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
1323         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
1324         to the configuration's default CPU.
1325         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
1326         Remove default masks.
1327         (m680[012]0-*-*): Set the default with_cpu to the first part of
1328         the target name.
1329         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
1330         (m68k*-*-linux): Extend the --with-cpu handling to...
1331         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
1332         and m68010.  Don't set target_cpu_default2.
1333         * doc/install.texi: Document --with-cpu for m68k.
1334         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
1335         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
1336         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
1337         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
1338         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
1339         (ASM_SPEC): Remove use of %(asm_cpu_default).
1340         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
1341         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
1342         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
1343         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
1344         __HAVE_FPU__ if TARGET_HARD_FLOAT.
1345         (TARGET_DEFAULT): Delete.
1346         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
1347         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
1348         (CPP_CPU_SPEC): Delete.
1349         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
1350         the appropriate string.
1351         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
1352         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
1353         (ASM_SPEC): Don't use %(asm_default_spec).
1354         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
1355         TARGET_DEFAULT and add MASK_68881.
1356         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
1358 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1360         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
1361         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
1362         MASK_68010 alongside MASK_68020.
1363         * doc/invoke.texi: Document -m68010.
1364         * config/m68k/m68k.opt (m68010): New.
1365         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
1366         if TUNE_68010.
1367         (TUNE_68010): New macro.
1368         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
1369         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
1370         (M68K_CPU_m68332): Add MASK_68010.
1371         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
1372         fallback definition.
1373         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
1374         defines.
1375         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
1376         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
1377         to all entries that use MASK_68020.
1378         (output_move_simode_const, output_move_himode, output_move_qimode)
1379         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
1380         instead of TARGET_68020 to select clr behavior.  Remove comment
1381         about there being no TARGET_68010.
1382         * config/m68k/m68k.md: Likewise throughout.
1384 2007-01-12  Julian Brown  <julian@codesourcery.com>
1386         * config/m68k/m68k.h (TARGET_ISAB): New macro.
1387         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
1388         * config/m68k/m68k.md: Likewise.
1390 2007-01-12  Julian Brown  <julian@codesourcery.com>
1392         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
1393         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
1395 2007-01-12  Julian Brown  <julian@codesourcery.com>
1397         * config/m68k/m68k.h (TUNE_68040_60): New macro.
1398         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
1399         * config/m68k/m68k.md: Likewise.
1401 2007-01-12  Julian Brown  <julian@codesourcery.com>
1402             Richard Sandiford  <richard@codesourcery.com>
1404         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
1405         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
1406         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
1407         TARGET_CPU32.
1408         (TARGET_CPU32): Rename to...
1409         (TUNE_CPU32): ...this.
1410         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
1411         (TUNE_CFV2): New macros.
1412         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
1413         remove conditions that are implied by TARGET_68020.
1414         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
1415         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
1416         (m68k_output_function_epilogue): Likewise.
1417         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
1418         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
1419         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
1420         non-68000 timings.  Refactor multiplication and division costs.
1421         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
1422         TUNE_CPU32 instead of TARGET_CPU32.
1423         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
1424         and TUNE_68060 instead of TARGET_68060.
1425         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
1426         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
1427         TARGET_CPU32.
1428         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
1429         && !TARGET_COLDFIRE" to choose between moveq and clr.
1430         Likewise in the unnamed movsf pattern.
1431         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
1432         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
1433         ashiftrt pattern.
1435 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
1437         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
1438         of tabbing before backslashes.
1440 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1442         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
1443         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
1444         (ASM_OUTPUT_INTERNAL_LABEL): Define.
1446 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1448         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
1449         find_interesting_uses_cond.
1450         (find_interesting_uses_cond): Use extract_cond_operands.
1451         (rewrite_use_compare): Use extract_cond_operands and
1452         force_gimple_operand_bsi.  Do not call update_stmt.
1453         (determine_use_iv_cost_condition): Use extract_cond_operands.
1454         Return cheaper of using original bound and changing the exit bound.
1456 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
1458         PR tree-optimization/29516
1459         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
1460         most_expensive_mult_to_index, addr_to_parts,
1461         create_mem_ref, maybe_fold_tmr): Make the type of
1462         fields of TARGET_MEM_REF sizetype.
1463         (move_fixed_address_to_symbol, move_pointer_to_base):
1464         New functions.
1465         * tree.def (TARGET_MEM_REF): Add comment on types of
1466         the operands.
1468 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
1470         * c-common.c (vector_types_convertible_p): Treat opaque types as
1471         always convertible if they have the same size, but not otherwise.
1473 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
1475         * ifcvt.c (struct noce_if_info): Add comments to the fields.
1476         Remove the b_unconditional field.
1477         (noce_try_sign_mask): Do not look at b_unconditional.
1478         (noce_process_if_block): Do not use merge_if_blocks.  Update
1479         the CFG here.  Do not set b_unconditional.
1480         (cond_move_process_if_block): Likewise.
1481         (find_cond_trap): Likewise.
1482         (check_cond_move_block): Require simple jump insns at the end
1483         of the basic block.
1485 2007-01-11  Jan Hubicka  <jh@suse.cz>
1487         PR tree-optimization/1046
1488         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
1489         when alias info is not ready.
1490         (pass_tail_recursion): Do not require aliasing.
1491         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
1492         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
1493         * tree-ssa-copy.c (pass_copy_prop): Likewise.
1494         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
1495         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
1496         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
1497         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
1498         before inlining.
1499         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
1500         When aliasing is not build, mark statement as volatile.
1502 2007-01-11  Tom Tromey  <tromey@redhat.com>
1504         PR preprocessor/15185, PR preprocessor/20989:
1505         * doc/cppopts.texi <-MT>: Update description of algorithm for
1506         computing default target.
1507         <-M, -MD>: Reword "basename" text.
1509 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1511         * builtins.c (expand_builtin_pow, expand_builtin_powi,
1512         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
1513         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1514         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
1515         fold_builtin_bswap, real_constp, fold_builtin_pow,
1516         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
1517         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
1518         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
1519         * convert.c (convert_to_pointer): Likewise.
1520         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1521         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
1522         const_binop, fold_convert_const_int_from_int,
1523         fold_convert_const_int_from_real,
1524         fold_convert_const_real_from_real, sign_bit_p,
1525         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
1526         fold_sign_changed_comparison, fold_unary, fold_comparison,
1527         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
1528         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
1529         * print-tree.c (print_node_brief, print_node): Likewise.
1530         * stor-layout.c (place_field, layout_type): Likewise.
1531         * tree-chrec.c (keep_cast): Likewise.
1532         * tree.c (build_vector, build_real, build_real_from_int_cst,
1533         build_complex): Likewise.
1535 2007-01-11  Roger Sayle  <roger@eyesopen.com>
1537         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
1538         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
1540 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
1542         * configure.ac (strict1_warn): Rename to strict_warn.
1543         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
1544         cc_set_by_configure, quoted_cc_set_by_configure,
1545         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
1546         all_boot_languages, all_stagestuff): Remove.
1547         (target_list): Remove bootstrap targets.
1548         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
1549         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
1550         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
1551         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
1552         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
1553         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
1554         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
1555         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
1556         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
1557         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
1558         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
1559         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
1560         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
1561         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
1562         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
1563         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
1564         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
1565         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
1566         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
1567         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
1568         (mostlyclean): Adjust.
1569         (clean, distclean): Don't mention bootstrap stuff.
1570         * configure: Regenerate.
1571         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
1572         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
1573         treelang/config-lang.in (stagestuff): Remove.
1574         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
1575         stageprofile, stagefeedback, stagestuff): Remove mention.
1577 2007-01-11  Nick Clifton  <nickc@redhat.com>
1579         * config/mcore/predicates.md (mcore_general_movesrc_operand):
1580         Accept CONSTs.
1581         (mcore_general_movdst_operand): Do not accept CONST_INTs.
1582         (mcore_arith_K_S_operand): Run the test for the S constraint not
1583         the test for the M constraint.
1584         (mcore_addsub_operand): Do not accept integer values that are
1585         larger than 32 bits.
1586         * config/mcore/mcore.md: Remove unused constraints from split.
1587         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
1588         (addsi3): Likewise.
1589         (allocate_stack): Likewise.
1590         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
1591         operands to 32 bits.
1592         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
1593         INTVAL.
1594         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
1595         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
1596         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
1597         mcore_output_bclri, mcore_output_andn, output_inline_const,
1598         mcore_output_move, mcore_output_movedouble): Likewise.
1599         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
1600         (output_inline_const): Likewise.
1601         (output_inline_const): Fix format strings used in sprintf
1602         statements.
1603         * config/mcore/mcore-protos.h: Update prototypes for changed
1604         functions in mcore.c.
1605         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
1606         HOST_WIDE_INT and not int.
1607         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
1608         CONST_OK_FOR_N): Likewise.
1609         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
1610         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
1611         an INTVAL.
1613 2007-01-10  Jan Hubicka  <jh@suse.cz>
1615         * tree-vrp.c (remove_range_assertions): Release defs.
1616         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
1617         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
1619 2007-01-10  Paul Brook  <paul@codesourcery.com>
1621         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
1622         * config/arm/arm.md (mulsi3subsi): New insn.
1624 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
1626         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
1627         (tree_transform_and_unroll_loop): New.
1628         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
1629         Declare.
1631 2007-01-10  Robert Kennedy <jimbob@google.com>
1633         * fold-const.c (fold_comparison): Fold comparisons like (x *
1634         1000 < 0) to (x < 0).
1636 2007-01-10  Ian Lance Taylor  <iant@google.com>
1638         * tree-pretty-print.c (dump_generic_node): Print parentheses when
1639         operands have the same priority.
1641 2007-01-10  Tom Tromey  <tromey@redhat.com>
1643         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
1644         (fold_binary): Likewise.
1645         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
1646         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
1647         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
1648         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
1649         * langhooks.h (struct lang_hooks): Removed field
1650         'can_use_bit_fields_p'.
1652 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
1654         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
1656 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
1658         * function.c (get_last_funcdef_no): New function.
1659         * function.h (get_last_funcdef_no): Declare.
1660         * tree-inline.c (initialize_cfun): Add initialization.
1661         (tree_function_versioning): Cleanup.
1663 2007-01-10  Jan Hubicka  <jh@suse.cz>
1665         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
1666         PHIs.
1668 2007-01-10  Sa Liu  <saliu@de.ibm.com>
1669             Ben Elliston  <bje@au.ibm.com>
1671         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
1672         for SAVE_NONLOCAL and Pmode for any other save level.
1673         * spu-protos.h (spu_restore_stack_block): Declare.
1674         * spu.md (save_stack_block): Remove.
1675         (restore_stack_block): Call spu_restore_stack_block.
1676         * spu.c (spu_restore_stack_block): New function.
1677         (spu_expand_epilogue): Remove old comment.
1679 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
1681         PR tree-optimization/30322
1682         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
1683         (cand_value_at): Return the value as aff_tree.
1684         (may_eliminate_iv): Convert the bound from aff_tree to tree.
1685         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
1686         aff_combination_mult): New functions.
1687         (aff_combination_add): Use aff_combination_add_cst.
1688         (aff_combination_convert): Allow conversions to a wider type.
1689         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
1690         * tree-affine.h (aff_combination_mult): Declare.
1692 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
1694         * doc/tm.texi: Update documentation to reflect reality of exec
1695         and start file search behaviours. Update copyright year.
1696         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
1697         header file directories.
1699 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
1701         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
1702         (*cosxf2): Rename to cosxf2_i387.
1703         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
1704         using X87MODEF12 mode macro. Rename patterns to
1705         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
1706         for SSE math.
1707         (*cosdf2, *cossf2): Ditto.
1708         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
1709         to match extended input operands.
1710         (sincos<mode>3): New expander.
1711         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
1712         insn patterns and corresponding splitters.
1714 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1716         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
1717         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
1719 2007-01-09  Nicolas Pitre  <nico@cam.org>
1721         PR target/30173
1722         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
1724 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1726         * target.h (struct gcc_target): New field library_rtti_comdat.
1727         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
1728         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
1729         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
1730         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
1732 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
1734         * doc/invoke.texi (Optimize Options): Correct description of -O0.
1736 2007-01-08  Richard Guenther  <rguenther@suse.de>
1738         * tree.h (force_fit_type_double): Export.
1739         (force_fit_type): Remove.
1740         * fold-const.c (force_fit_type_double): New function.
1741         (force_fit_type): Remove.
1742         (int_const_binop): Use it.
1743         (fold_convert_const_int_from_int): Likewise.
1744         (fold_convert_const_int_from_real): Likewise.
1745         (fold_div_compare): Likewise.
1746         (fold_sign_changed_comparison): Likewise.
1747         (fold_unary): Likewise.
1748         (fold_negate_const): Likewise.
1749         (fold_abs_const): Likewise.
1750         (fold_not_const): Likewise.
1751         * c-common.c (shorten_compare): Use force_fit_type_double.
1752         * convert.c (convert_to_pointer): Likewise.
1754 2007-01-08  Richard Guenther  <rguenther@suse.de>
1756         * tree.h (build_int_cst_wide_type): Export.
1757         * tree.c (build_int_cst_wide_type): New function.
1758         (build_int_cst_wide): Fix comment.
1759         * builtins.c (fold_builtin_object_size): Use build_int_cst
1760         to build -1 or 0 of the correct type.  Use fit_double_type
1761         to check for overflow.
1762         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
1763         to build the mask.
1764         (decode_field_reference): Likewise.
1765         (all_ones_mask_p): Likewise.
1766         (native_interpret_int): Use build_int_cst_wide_type.
1767         (fold_binary): Use build_int_cst_type to build an all-ones
1768         value.
1769         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
1771 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
1773         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
1775 2007-01-09  Ben Elliston  <bje@au.ibm.com>
1777         * genautomata.c (STATS_OPTION): New option.
1778         (stats_flag): New flag.
1779         (gen_automata_option): Handle it.
1780         (initiate_automaton_gen): Ditto.
1781         (write_automata): Output statistics only if stats_flag is
1782         set. Likewise, output time statistics only if time_flag is set.
1783         * doc/md.texi (Processor pipeline description): Document new flag.
1785 2007-01-08  Richard Guenther  <rguenther@suse.de>
1787         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
1788         * tree.c (build_int_cst_type): Likewise.
1789         (size_in_bytes): Don't call force_fit_type on the result.
1790         (int_fits_type_p): Use fit_double_type.
1791         * fold-const.c (fit_double_type): New function.
1792         (force_fit_type): Use it.
1793         * tree.h (fit_double_type): Export.
1795 2007-01-08  Jan Hubicka  <jh@suse.cz>
1797         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
1798         * ipa.c (function_and_variable_visibility): Fix return type.
1800 2007-01-08  Richard Guenther  <rguenther@suse.de>
1802         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
1803         of offset to build the index.
1804         * tree-pretty-print.c (dump_generic_node): Don't build negated
1805         const just for printing.
1806         * c-pretty-print.c (pp_c_integer_constant): Likewise.
1807         * builtins.c (fold_builtin_int_roundingfn): Check if result
1808         fits the type by using force_fit_type and comparing the result.
1809         * predict.c (predict_loops): Use compare_tree_int for comparison.
1810         * tree.c (build_int_cst): Fall back to integer_type_node for
1811         NULL_TREE type.
1812         (build_int_cst_wide): Assert type is non-null.
1814 2007-01-08  Roberto Costa  <roberto.costa@st.com>
1816         * tree-vrp.c (extract_range_from_cond_expr): New.
1817         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
1818         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
1819         as expressions.
1820         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
1821         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
1822         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
1823         used as expressions.
1824         * tree-object-size.c (cond_expr_object_size): New.
1825         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
1827 2007-01-08  Jan Hubicka  <jh@suse.cz>
1829         * tree-ssa-forwprop.c (forward_propagate_into_cond,
1830         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
1831         statement.
1833 2007-01-08  Richard Guenther  <rguenther@suse.de>
1835         PR tree-optimization/23603
1836         * tree-vrp.c (set_value_range_to_truthvalue): New function.
1837         (extract_range_from_binary): Fall back to truthvalue instead of
1838         varying for TRUTH_*_EXPR.
1839         (extract_range_from_comparison): Fall back to truthvalue instead of
1840         varying.
1841         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
1842         if all visited PHI values were constant.
1844 2007-01-08  Jan Hubicka  <jh@suse.cz>
1846         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
1847         (cgraph_analyze_function): break out from ...
1848         (cgraph_finalize_compilation_unit): ... here.
1849         (cgraph_expand_function): Remove forgoten commented out line.
1850         (cgraph_optimize): Analyze functions.
1852 2007-01-08  Jan Hubicka  <jh@suse.cz>
1854         * tree-pas.h (TODO_remove_function): New flag.
1855         (TODO_update*): Renumber.
1856         (pass_ipa_increase_alignment,
1857         pass_ipa_function_and_variable_visibility): New passes.
1858         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
1859         (cgraph_function_and_variable_visibility): Move to ipa.c
1860         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
1861         cgraph_increase_alignment.
1862         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
1863         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
1864         calling tree-inline.
1865         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
1866         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
1867         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
1868         (gate_increase_alignment): New function.
1869         (pass_ipa_increase_alignment): New pass.
1870         * ipa.c: Inline tree-pass.h and timevar.h
1871         (function_and_variable_visibility): Move here from cgraphunit.c
1872         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
1873         * passes.c (init_optimization_passes): Add the two new passes.
1874         (execute_todo): Handle cgraph_remove_functions.
1876 2007-01-08  Nick Clifton  <nickc@redhat.com>
1878         * config/frv/predicates.md (reg_or_0_operand): Accept
1879         CONST_DOUBLEs.
1881 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
1883         * config/bfin/rtems.h, config/bfin/t-rtems: New.
1884         * config.gcc: Add bfin*-rtems*.
1886 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1888         * c.opt: Add -flax-vector-conversions.
1889         * c-typeck.c (convert_for_assignment): Pass flag to
1890         vector_types_convertible_p to allow emission of note.
1891         (digest_init): Likewise.
1892         * c-opts.c: Handle -flax-vector-conversions.
1893         * c-common.c (flag_lax_vector_conversions): New.
1894         (vector_types_convertible_p): Unless -flax-vector conversions
1895         has been passed, disallow conversions between vectors with
1896         differing numbers of subparts and/or element types.  If such
1897         a conversion is disallowed, possibly emit a note on the first
1898         occasion only to inform the user of -flax-vector-conversions.
1899         The new last argument specifies this.
1900         * c-common.h (flag_lax_vector_conversions): New.
1901         (vector_types_convertible_p): Add extra argument.
1902         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
1903         char_type_node for V*QI type vectors.
1904         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
1905         Update to satisfy new typechecking rules.
1906         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
1907         C and C++ variants.
1908         * doc/invoke.texi (C Dialect Options): Document
1909         -flax-vector-conversions.
1911 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
1913         PR tree-optimization/29877
1914         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
1915         a register variable on the RHS to not be replaceable.
1917 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
1918         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
1919         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
1920         const_simm15, const_pow2, const_npow2): Added.
1921         * config/score/misc.md (insv, extv, extzv, movmemsi,
1922         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
1923         * config/score/score.c (score_address_cost, score_select_cc_mode):
1924         Added.
1925         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
1926         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
1927         Update score_print_operand.
1928         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
1929         Adjust register allocate order and update some macro define.
1930         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
1931         mdx_block_move_straight, mdx_block_move_loop_head,
1932         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
1933         mdx_block_move): Added.
1934         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
1935         mdp_limm): Updated and fix some bug and typo.
1936         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
1937         (movsf, movdf, doloop_end): Added.
1939 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
1941         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
1942         config/arm/thumb2.md: Fix comment typos.
1943         * doc/extend.texi: Fix a typo.
1945 2007-01-07  Eric Christopher  <echristo@apple.com>
1947         * configure.ac: Check for __stack_chk_fail for darwin.
1948         * configure: Regenerate.
1950 2007-01-07  Richard Guenther  <rguenther@suse.de>
1952         * tree-vrp.c (extract_range_from_assert): CSE calls to
1953         compare_values where possible.
1954         (extract_range_from_unary_expr): Likewise.
1956 2007-01-07  Anatoly Sokolov <aesok@post.ru>
1958         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
1959         * config/avr/avr.c (call_insn_operand): Delete function.
1960         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
1961         instead of register number. Use predicates.
1962         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
1963         call_insn_operand): Add.
1965 2007-01-06  Jan Hubicka  <jh@suse.cz>
1967         * tree-pass.h (pass_build_cgraph_edges): Declare.
1968         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
1969         (visited_nodes): Remove.
1970         (cgraph_create_edges): Move to cgraphbuild.c; rename to
1971         build_cgrpah_edges; make visited_nodes local.
1972         (cgraph_process_new_functions): DO not call initialize_inline_failed.
1973         (record_references_in_initializer): Move to cgraphbuild.c
1974         (initialize_inline_failed, rebuild_cgraph_edges,
1975         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
1976         (verify_cgraph_node): Make visited_nodes local.
1977         (cgraph_analyze_function): Do not call cgraph_create_edges and
1978         initialize_inline_failed.
1979         (cgraph_expand_function): Do not call cgraph_lower_function;
1980         assert that function is already lowered.
1981         * Makefile.in (cgraphbuild.o): New.
1982         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
1983         at the end of lowering passes.
1985 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
1987         * ifcvt.c (cond_move_convert_if_block): New function, code
1988         factored out from...
1989         (cond_move_process_if_block): ...here.  Call the new function
1990         on the THEN and ELSE blocks.
1991         (merge_if_block): Do not copy global_live_at_end, merge_blocks
1992         already takes care of this.
1994 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1996         PR c/19978
1997         * tree.h (TREE_OVERFLOW_P): New.
1998         * c-typeck.c (parser_build_unary_op): Warn only if result
1999         overflowed and operands did not.
2000         (parser_build_binary_op): Likewise.
2001         (convert_for_assignment): Remove redundant overflow_warning.
2002         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
2004 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2006         * c-typeck.c (store_init_value): Split over two lines to follow
2007         the GNU coding style.
2009 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
2011         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
2012         __GXX_EXPERIMENTAL_CXX0X__.
2013         * doc/cpp.texi: Same.
2015 2007-01-05  Richard Guenther  <rguenther@suse.de>
2017         PR middle-end/27826
2018         * tree.c (get_narrower): Do not construct COMPONENT_REFs
2019         with mismatched types.  Instead explicitly build a
2020         conversion NOP_EXPR.
2022 2007-01-05  Ian Lance Taylor  <iant@google.com>
2024         * c-common.c (decl_with_nonnull_addr_p): New function.
2025         (c_common_truthvalue_conversion): Call it.
2026         * c-typeck.c (build_binary_op): Likewise.
2027         * c-common.h (decl_with_nonnull_addr_p): Declare.
2029 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
2031         PR c/30360
2032         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
2033         denom against 0.0.
2035 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
2037         * doc/install.texi (Final install): Document the fact that
2038         the GNAT runtime should not be stripped.
2040 2007-01-04  Jan Hubicka  <jh@suse.cz>
2042         * tree-inline.c (fold_marked_statements): Update operand caches
2043         and EH after folding
2045 2007-01-04  Ian Lance Taylor  <iant@google.com>
2047         * c-common.c (check_function_nonnull): Whitespace fix.
2049 2007-01-04  Jan Hubicka  <jh@suse.cz>
2051         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
2052         comitted older version of patch.
2053         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
2054         function, celanup cfg and collect garbage.
2056 2007-01-04  Mike Stump  <mrs@apple.com>
2058         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
2059         (clean): Likewise.
2061 2007-01-04  Eric Christopher  <echristo@apple.com>
2063         * libgcc2.c (__bswapsi2): Use SItype.
2064         (__bswapdi2): Use DItype.
2065         * libgcc2.h: Update for above.
2067 2007-01-04  Paul Brook  <paul@codesourcery.com>
2069         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
2070         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
2071         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
2072         umulsidi3, umulsidi3adddi, smulsi3_highpart,
2073         umulsi3_highpart): Make conditional on !arm_arch6.
2074         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
2075         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
2076         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
2077         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
2078         umulsi3_highpart_v6): New insns.
2080 2007-01-04  Roger Sayle  <roger@eyesopen.com>
2082         * fold-const.c (fold_convert): When casting an expression to void,
2083         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
2084         have a type.  Instead of attempting to build a NOP_EXPR, return
2085         these "special" trees directly.
2087 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
2089         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
2090         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
2091         rs6000_cost->fp not 0 as adjustment for outer NEG.
2093 2007-01-04  Jan Hubicka  <jh@suse.cz>
2095         * cgraph.c (cgraph_release_function_body): New function.
2096         (cgraph_remove_node): Use it.
2097         * cgraph.h (cgraph_release_function_body): Declare.
2098         * cgraphunit.c (cgraph_expand_function): Use it.
2099         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
2100         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
2101         is initialized and while compilation of other function is running.
2102         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
2103         statement CFG annotations from here to ...
2104         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
2106 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
2108         * cfgloop.h (enum li_flags): Make the constants powers of two.
2110 2007-01-04  Jan Hubicka  <jh@suse.cz>
2112         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
2113         set.
2114         (fold_marked_statements): New function.
2115         (optimize_inline_calls, tree_function_versioning): Fold new statements.
2116         * tree-inline.h (copy_body_data): Add statements_to_fold.
2118 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
2120         * config.gcc: Mention libgcc/config.host.
2121         * Makefile.in: Update comments mentioning libgcc.
2122         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
2123         (all.cross, start.encap, rest.encap, rest.cross): Update
2124         dependencies for libgcc move.
2125         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
2126         (clean-target, clean-target-libgcc): Delete.
2127         (srcdirify, GCC_EXTRA_PARTS): New macros.
2128         (libgcc-support, libgcc.mvars): New rules.
2129         (distclean): Remove mention of mklibgcc.
2130         (install): Don't reference INSTALL_LIBGCC.
2131         (install-common): Don't reference EXTRA_PARTS.
2132         (install-libgcc, install-multilib): Delete rules.
2133         * mklibgcc.in: Delete file.
2134         * doc/configfiles.texi: Don't mention mklibgcc.
2136         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
2137         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
2138         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
2139         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
2140         (mklibgcc, ldblspecs): Likewise.
2142         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
2143         (posixpre.def): Use $(T).
2144         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
2145         (SHLIB_SRC, SHLIB_INSTALL): Delete.
2146         (SHLIB_LINK): Make dummy.
2147         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
2149         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
2151         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
2152         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
2153         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
2154         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
2156         * configure.ac (all_outputs): Remove mklibgcc.
2157         * configure: Regenerated.
2159 2007-01-03  Josh Conner  <jconner@apple.com>
2161         PR middle-end/29683
2162         * calls.c (compute_argument_addresses): Set stack and stack_slot
2163         for partial args, too.
2164         (store_one_arg): Use locate.size.constant for the size when
2165         generating a save_area.
2167 2007-01-03  Robert Kennedy <jimbob@google.com>
2169         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
2170         whose definitions are deleted due to basic block merging.
2172 2007-01-03  Paul Brook  <paul@codesourcery.com>
2174         PR target/16634
2175         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
2176         functions.
2177         (use_return_insn): Return 0 for Thumb interrupt functions.
2178         (print_multi_reg): Add rfe argument for IRQ returns.
2179         (arm_output_epilogue): Pop interrupt return address directly into PC.
2180         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
2182 2007-01-03  Paul Brook  <paul@codesourcery.com>
2184         Merge from sourcerygxx-4_1.
2185         * config/arm/thumb2.md: New file.
2186         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
2187         Thumb-2.
2188         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
2189         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2190         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
2191         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
2192         tables.
2193         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
2194         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
2195         comptibility.
2196         * config/arm/ieee754-sf.S: Ditto.
2197         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
2198         (thumb1_base_register_rtx_p): ... to this.
2199         (thumb_index_register_rtx_p): Rename...
2200         (thumb1_index_register_rtx_p): ... to this.
2201         (thumb_output_function_prologue): Rename...
2202         (thumb1_output_function_prologue): ... to this.
2203         (thumb_legitimate_address_p): Rename...
2204         (thumb1_legitimate_address_p): ... to this.
2205         (thumb_rtx_costs): Rename...
2206         (thumb1_rtx_costs): ... to this.
2207         (thumb_compute_save_reg_mask): Rename...
2208         (thumb1_compute_save_reg_mask): ... to this.
2209         (thumb_final_prescan_insn): Rename...
2210         (thumb1_final_prescan_insn): ... to this.
2211         (thumb_expand_epilogue): Rename...
2212         (thumb1_expand_epilogue): ... to this.
2213         (arm_unwind_emit_stm): Rename...
2214         (arm_unwind_emit_sequence): ... to this.
2215         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
2216         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
2217         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
2218         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
2219         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
2220         thumb2_output_casesi): New functions.
2221         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
2222         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
2223         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
2224         THUMB2_WORK_REGS): Define.
2225         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
2226         arm_condexec_mask, arm_condexec_masklen)): New variables.
2227         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
2228         (arm_override_options): Check new CPU capabilities.
2229         Set new architecture flag variables.
2230         (arm_isr_value): Handle v7m interrupt functions.
2231         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
2232         Thumb-2.
2233         (const_ok_for_arm): Handle Thumb-2 constants.
2234         (arm_gen_constant): Ditto.  Use movw when available.
2235         (arm_function_ok_for_sibcall): Return false for v7m interrupt
2236         functions.
2237         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
2238         (thumb_find_work_register, arm_load_pic_register,
2239         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
2240         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
2241         print_multi_reg, output_mov_long_double_fpa_from_arm,
2242         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
2243         output_mov_double_fpa_from_arm, output_move_double,
2244         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
2245         output_return_instruction, arm_output_function_prologue,
2246         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
2247         arm_output_mi_thunk, thumb_set_return_address): Ditto.
2248         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
2249         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
2250         (arithmetic_instr, shift_op): Use arm_shift_nmem.
2251         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
2252         '!' and 'L'.
2253         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
2254         (thumb_expand_prologue): Use thumb_set_frame_pointer.
2255         (arm_file_start): Output directive for unified syntax.
2256         (arm_unwind_emit_set): Handle stack alignment instruction.
2257         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
2258         Add v6t2, v7, v7a, v7r and v7m.
2259         (RETLDM): Add Thumb-2 code.
2260         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
2261         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
2262         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
2263         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
2264         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
2265         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
2266         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
2267         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
2268         ADJUST_INSN_LENGTH): Define.
2269         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
2270         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
2271         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
2272         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
2273         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
2274         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
2275         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
2276         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
2277         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
2278         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
2279         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
2280         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
2281         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
2282         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
2283         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
2284         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
2285         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
2286         cortex-m3.
2287         * config/arm/arm-tune.md: Regenerate.
2288         * config/arm/arm-protos.h: Update prototypes.
2289         * config/arm/vfp.md: Enable patterns for Thumb-2.
2290         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
2291         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
2292         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
2293         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
2294         * config/arm/libunwind.S: Add Thumb-2 code.
2295         * config/arm/constraints.md: Update include Thumb-2.
2296         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
2297         * config/arm/ieee754-df.S: Ditto.
2298         * config/arm/bpabi.S: Ditto.
2299         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
2300         * config/arm/predicates.md (low_register_operand,
2301         low_reg_or_int_operand, thumb_16bit_operator): New.
2302         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
2303         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
2304         * config/arm/t-arm-elf: Add armv7 multilib.
2305         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
2306         Include thumb2.md.
2307         (UNSPEC_STACK_ALIGN, ce_count): New.
2308         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
2309         arm_zero_extendsidi2, arm_zero_extendqidi2): New
2310         insns/expanders.
2311         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
2312         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
2313         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
2314         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
2315         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
2316         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
2317         insns.
2318         * doc/extend.texi: Document ARMv7-M interrupt functions.
2319         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
2321 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
2323         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
2324         (struct _Unwind_Context): Rename args_size to flags, remove
2325         signal_frame field, add a new args_size field and version field.
2326         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
2327         _Unwind_IsExtendedContext): New inline functions.
2328         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
2329         Assume by_value array is only present if _Unwind_IsExtendedContext.
2330         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
2331         _Unwind_IsSignalFrame.
2332         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
2333         (uw_update_context_1): Use _Unwind_SetSignalFrame.
2334         (uw_init_context_1): Initialize context->flags to
2335         EXTENDED_CONTEXT_BIT.
2336         * config/rs6000/linux-unwind.h (frob_update_context): Use
2337         _Unwind_SetSignalFrame.
2339 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2341         PR middle-end/30353
2342         * gimplify.c (gimplify_modify_expr_complex_part): Move below
2343         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
2344         the value.
2346 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
2348         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
2349         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
2350         RET, AT_SP): Remove.
2351         * config/i386/i386.md (*sse_prologue_save_insn): Use return
2352         instead of RET.
2354         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2355         * cfgbuild.c (find_basic_blocks): Likewise.
2356         * cfgrtl.c (rtl_create_basic_block): Likewise.
2357         * function.c (temp_slots_at_level): Likewise.
2358         * reg-stack.c (stack_regs_mentioned): Likewise.
2359         * regclass.c (allocate_reg_info): Likewise.
2360         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2361         set_bb_for_stmt, move_block_to_fn): Likewise.
2362         * tree-complex.c (tree_lower_complex): Likewise.
2363         * vec.h (VEC_safe_grow_cleared): New.
2365         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
2367 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
2369         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
2370         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
2371         to loop_version.
2372         * cfgloopmanip.c (scale_loop_frequencies): Export.
2373         (loopify): Scale the frequencies by prescribed coefficients.
2374         (set_zero_probability): New function.
2375         (duplicate_loop_to_header_edge): Improve updating of frequencies.
2376         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
2377         and frequencies according to arguments.
2378         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
2379         correctly.
2380         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
2381         * modulo-sched.c (sms_schedule): Set probabilities for entering
2382         versioned loop correctly.
2383         * tree-vect-transform.c (vect_transform_loop): Ditto.
2384         * cfgloop.h (loopify, loop_version): Declaration changed.
2385         (scale_loop_frequencies): Declared.
2387 2007-01-02  Jan Hubicka  <jh@suse.cz>
2389         * cgraph.c: Include tree-flow.h
2390         (cgraph_add_new-function): Handle IPA_SSA mode; execute
2391         early_local_passes.
2392         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
2393         * tree-pass.h (pass_all_early_optimizations): Declare.
2394         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
2395         early_local_passes.
2396         (cgraph_analyze_function): Do early_local_passes.
2397         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2398         Do not add referenced vars.
2399         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
2400         SSA form.
2401         (gate_all_early_local_passes): New gate.
2402         (pass_early_local_passes): Use new gate.
2403         (execute_early_local_optimizations): New functions.
2404         (gate_all_early_optimizations): New gate.
2405         (pass_all_early_optimizations): New pass.
2406         (execute_free_datastructures): Free SSA only when initialized.
2407         (gate_init_datastructures): Init only when optimizing.
2408         (tree_lowering_passes): Do early local passes when called late.
2409         * tree-profile.c (do_tree_profiling): Don't profile functions added
2410         late.
2411         (do_early_tree_profiling, pass_early_tree_profile): Kill.
2412         * tree-cfg.c (update_modified_stmts): Do not update when operands are
2413         not active.
2414         * passes.c (init_optimizations_passes): Reorder so we go into SSA
2415         during early_local_passes.
2416         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
2419 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2421         * Makefile.in: Update copyright year.
2423 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
2425         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
2426         in $(lang_checks) and check-consistency targets.
2428 2007-01-02  Jan Hubicka  <jh@suse.cz>
2430         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
2431         Do not add referenced vars.
2432         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
2433         are not active.
2434         * passes.c (init_optimization_passes): Put mudflap_2 after
2435         free_datastructures.
2437 2007-01-02  Jan Hubicka  <jh@suse.cz>
2439         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
2440         Set NOTHROW flag on call statements proved to be nothrow.
2441         Update statement of local calls so new pure/const functions are
2442         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
2443         goto receivers.
2444         (tree_rest_of_compilation): Register hooks and initialize bitmap
2445         early. Do not set after_inlining flag.
2447 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
2449         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
2450         HOST_BITS_PER_LONGLONG
2452 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2454         PR c/19977
2455         * c-typeck.c (store_init_value): Don't emit pedantic overflow
2456         warning for non-static initializers.
2458 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
2460         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
2461         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
2462         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
2463         Always use set_unique_reg_note to add REG_EQUAL notes.
2465 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2467         Revert:
2468         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2470         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2471         * cfgbuild.c (find_basic_blocks): Likewise.
2472         * cfgrtl.c (rtl_create_basic_block): Likewise.
2473         * function.c (temp_slots_at_level): Likewise.
2474         * reg-stack.c (stack_regs_mentioned): Likewise.
2475         * regclass.c (allocate_reg_info): Likewise.
2476         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2477         set_bb_for_stmt, move_block_to_fn): Likewise.
2478         * tree-complex.c (tree_lower_complex): Likewise.
2479         * vec.h (VEC_safe_grow_cleared): New.
2481 2007-01-02  Ian Lance Taylor  <iant@google.com>
2483         * c-common.c (c_common_truthvalue_conversion): When warning about
2484         using an assignment as a truth value, set TREE_NO_WARNING.
2486 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2488         PR middle-end/7651
2489         * c.opt (Wold-style-declaration): New.
2490         * doc/invoke.texi (C-only Warning Options): New.
2491         (Wold-style-declaration): Document it.
2492         (Wextra): Enabled by -Wextra.
2493         * c-opts.c (c_common_post_options): Enabled by -Wextra.
2494         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
2495         -Wold-style-declaration.
2497 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
2499         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
2500         * cfgbuild.c (find_basic_blocks): Likewise.
2501         * cfgrtl.c (rtl_create_basic_block): Likewise.
2502         * function.c (temp_slots_at_level): Likewise.
2503         * reg-stack.c (stack_regs_mentioned): Likewise.
2504         * regclass.c (allocate_reg_info): Likewise.
2505         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
2506         set_bb_for_stmt, move_block_to_fn): Likewise.
2507         * tree-complex.c (tree_lower_complex): Likewise.
2508         * vec.h (VEC_safe_grow_cleared): New.
2510 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
2512         * c-common.c(c_common_nodes_and_builtins): Since variants of
2513         void_type_node get built before it is given a name, we need to
2514         give those variants the name, too.
2515         (complete_array_type): We need to work with the canonical main
2516         type of the array, from which we will build the qualified version.
2517         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
2518         * print-tree.c (print_node): Display canonical type information
2519         for each type.
2520         * stor-layout.c (layout_type): When we don't know the
2521         alignment of a type for which we're building an array, we end up
2522         guessing wrong, so make the type require structural equality.
2523         * tree.c (make_node_stat): When we build a new type, it is its
2524         own canonical type.
2525         (build_type_attribute_qual_variant): When building an attribute
2526         variant, its canonical type is the non-attribute variant. However,
2527         if the attributes are target-dependent and they differ, we need to
2528         use structural equality checks for this type.
2529         (build_qualified_type): A qualified type is not equivalent to its
2530         unqualified variant; set the canonical type appropriately.
2531         (build_distinct_type_copy): When building a distinct type from
2532         another type, the new type is its own canonical type.
2533         (build_variant_type_copy): When building a new type variant, we
2534         assume that it is equivalent to the original type.
2535         (build_pointer_type_for_mode): When building a pointer type, also
2536         build a canonical type pointer.
2537         (build_reference_type_for_mode): When building a reference type,
2538         also build a canonical type reference.
2539         (build_index_type): When we can't hash an index type (e.g.,
2540         because its maximum value is negative), the index type requires
2541         structural equality tests.
2542         (build_array_type): Build the canonical form of an array type.
2543         (build_function_type): Function types require structural equality,
2544         because they contain default arguments, attributes, etc.
2545         (build_method_type_directly): Ditto for method types.
2546         (build_offset_type): Build the canonical offset type.
2547         (build_complex_type): Build the canonical vector type.
2548         (make_vector_type): Build the canonical vector type.
2549         * tree.h (TYPE_CANONICAL): New.
2550         (TYPE_STRUCTURAL_EQUALITY_P): New.
2551         (SET_TYPE_STRUCTURAL_EQUALITY): New.
2552         (struct tree_type): Added "canonical" field.
2553         * params.h (VERIFY_CANONICAL_TYPES): New.
2554         * doc/c-tree.texi (TYPE_CANONICAL): Document.
2555         (TYPE_STRUCTURAL_EQUALITY_P): Document.
2556         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
2557         * doc/invoke.texi (verify-canonical-types): Document --param
2558         parameter for verifying canonical types.
2560 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2562         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
2563         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
2564         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
2565         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
2566         tm_file.
2567         * config/rs6000/e500.h: New.
2568         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
2569         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
2570         Remove.
2571         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
2572         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
2573         TARGET_E500_DOUBLE): Remove.
2574         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
2575         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
2576         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
2577         * config/rs6000/rs6000.c (rs6000_override_options): Use
2578         CHECK_E500_OPTIONS.
2580 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2582         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
2583         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
2584         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
2585         rs6000_emit_cmove): Don't check TARGET_E500.
2586         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
2587         sordered): Don't check TARGET_E500.
2589 2007-01-01  Eric Christopher  <echristo@apple.com>
2591         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
2592         HARD_REGISTER_NUM_P.
2594 2007-01-01  Roger Sayle  <roger@eyesopen.com>
2596         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
2597         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
2598         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
2599         eq/ne Y".
2601 2007-01-01  Mike Stump  <mrs@apple.com>
2603         * configure.ac: Remove support for building with Apple's gcc-3.1.
2605 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
2607         PR middle-end/30311
2608         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
2609         REG is a hard register.  Do not modify REG before calling
2610         subreg_nregs.
2611         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
2612         multiple of the size of YMODE for certain lowpart cases.
2614 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2616         PR middle-end/30253
2617         * gimplify (voidify_wrapper_expr): Update for
2618         GIMPLE_MODIFY_STMT.
2620 2007-01-01  Andreas Schwab  <schwab@suse.de>
2622         PR target/29166
2623         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
2624         save of BR0 in extra_spill_size instead of spill_size.
2625         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
2626         area.
2627         (ia64_expand_epilogue): Restore BR0 from its new location.
2629 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2631         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
2632         Use a temporary variable if the left hand side is not a gimple
2633         register.
2635 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
2637         * gimplify.c (gimplify_return_expr): Make the temporary variable
2638         for the return expression, a gimple register variable.
2640 2007-01-01  Jan Hubicka  <jh@suse.cz>
2642         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
2643         INSN_LIST.
2645 2007-01-01  Mike Stump  <mrs@apple.com>
2647         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
2648         .literal16.
2649         * config/darwin.c (machopic_select_rtx_section): Use
2650         HAVE_GAS_LITERAL16.
2651         (darwin_mergeable_constant_section): Likewise.
2652         * configure: Regenerate.
2653         * config.in: Regenerate.
2655 2007-01-01  Jan Hubicka  <jh@suse.cz>
2656             Andrew Pinski  <pinskia@gmail.com>
2658         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
2659         before starting IPA passes.