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