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