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