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* function.c (init_function_start): Don't init line number info.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-23  Jan Hubicka  <jh@suse.cz>
2
3         * function.c (init_function_start): Don't init line number info.
4         (expand_function_end): Update.
5         (reset_block_changes, record_block_change, finalize_block_changes,
6         check_block_change, free_block_changes): Kill.
7         * function.h (reset_block_changes, record_block_change,
8         finalize_block_changes, check_block_change, free_block_changes): Remove
9         prototypes.
10         (struct function): Remove ib_boundaries_block.
11         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
12         Use curr_insn_locator to initialize locator.
13         (emit_line_note): Remove.
14         * cfgexpand.c (expand_gimple_cond_expr): Update.
15         (construct_exit_block): Likewise.
16         (tree_expand_cfg): Initialize/finalize locators.
17         * expr.c (expand_expr_real): Update.
18         * cfglayout.c (line_locators_locs, line_locators_lines,
19         file_locators_locs, file_locators_files): Remove.
20         (set_block_levels): Move to cfgexpand.c.
21         (insn_locators_initialize): Remove.
22         (pass_insn_locators_initialize): Remove.
23         (locations_locators_locs, locations_locators_vals): New static vars.
24         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
25         Likewise.
26         (insn_locators_alloc, insn_locators_finalize,
27         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
28         New functions.
29         (locator_location): New.
30         (locator_line, locator_file): Rewrite.
31         * rtl.h (emit_line_note): Kill.
32         (insn_locators_alloc, insn_locators_finalize,
33         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
34         Declare.
35         * tree-inline.c (initialize_cfun): Do not initialize
36         ib_boundaries_block.
37         * passes.c (pass_insn_locators_initialize): Remove.
38
39 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
40
41         PR middle-end/31448
42         * expr.c (reduce_to_bit_field_precision): Handle
43         CONST_INT rtx's.
44
45 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
46
47         PR tree-optimization/24659
48         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
49         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
50         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
51         * genopinit.c (optabs): Rename vec_pack_mod_optab
52         to vec_pack_trunc_optab.
53         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
54         early for scalar floating point operands for NOP_EXPR.
55         (vectorizable_type_promotion): Ditto.
56         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
57         vec_pack_trunc_optab.
58         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
59
60         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
61         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
62         Rename from VEC_PACK_MOD_EXPR.
63         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
64         * expr.c (expand_expr_real_1): Ditto.
65         * tree-inline.c (estimate_num_insns_1): Ditto.
66         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
67
68         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
69         (vec_unpacks_lo_v4sf): Ditto.
70         (vec_pack_trunc_v2df): Ditto.
71         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
72         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
73         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
74
75         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
76         vec_pack_mod_v8hi.
77         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
78
79         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
80         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
81         packing of floating point operands.
82         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
83         represent unpacking of floating point operands.
84         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
85         [vec_unpacks_hi]: Ditto.
86         [vec_unpacks_lo]: Ditto.
87
88 2007-04-22  Jan Hubicka  <jh@suse.cz>
89
90         * final.c (rest_of_handle_final): Call
91         targetm.asm_out.constructor/targetm.asm_out.destructor
92         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
93         proper priority via decl_*_priority_insert.
94         * c-common.c (c_expand_body): Likewise.
95
96 2007-04-22  Richard Guenther  <rguenther@suse.de>
97
98         PR tree-optimization/29789
99         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
100         (rewrite_reciprocal): New helper split out from
101         determine_invariantness_stmt.
102         (rewrite_bittest): Likewise.
103         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
104         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
105         is not.
106
107 2007-04-22  Revital Eres  <eres@il.ibm.com>
108
109         * loop-unroll.c (var_to_expand): New field to support also
110         insns of the form x = something + x.
111         (analyze_insn_to_expand_var): Use it.
112         (expand_var_during_unrolling): Likewise.
113
114 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
115
116         * predict.c: Include pointer-set.h.
117         (bb_predictions): New variable.
118         (tree_predicted_by_p, tree_predict_edge,
119         remove_predictions_associated_with_edge): Use bb_predictions map
120         instead of bb->predictions.
121         (clear_bb_predictions, assert_is_empty): New functions.
122         (combine_predictions_for_bb): Use bb_predictions map.  Call
123         clear_bb_predictions.
124         (tree_estimate_probability): Create and free bb_predictions map.
125         * Makefile.in (predict.o): Add pointer-set.h dependency.
126         * basic-block.h (struct basic_block_def): Remove predictions
127         field.
128         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
129
130 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
131
132         PR target/31480
133         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
134         is null.
135
136 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
137
138         * timevar.c (timevar_print): Change reference of --disable-checking to
139         --enable-checking=release.  Also warn if assert checking is disabled.
140
141 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
142
143         PR C/30265
144         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
145         decl as addressable if the compound literal was marked as
146         addressable.
147         Mark the decl as a gimple register if it is a complex or
148         vector decl and does not live in memory.
149
150 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
151
152         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
153         (GENERIC_NEXT): New function macro.
154         (PHI_CHAIN): Use phi_node's new chain variable.
155         (tree_phi_node): Change tree_common to tree_base
156         and add the chain field.
157         * tree-phinodes.c (make_phi_node): Don't set
158         TREE_TYPE on the new node.
159         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
160         instead of checking GIMPLE_TUPLE_P in chain_next.
161         * tree-vect-transform.c
162         (get_initial_def_for_induction): Look at
163         PHI_RESULT_TREE for the type of the phi node.
164         (update_vuses_to_preheader): Use PHI_CHAIN
165         instead of TREE_CHAIN on the phi node.
166         * tree-ssa-structalias.c (compute_points_to_sets):
167         Likewise.
168         (ipa_pta_execute): Likewise.
169
170 2007-04-21  Richard Guenther  <rguenther@suse.de>
171
172         PR middle-end/31136
173         * fold-const.c (fold_unary): Call fold_convert_const on the
174         original tree.
175
176 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
177
178         * gcse.c (store_killed_in_insn): Handle PARALLELs.
179         (store_killed_in_pat): New.
180
181 2007-04-20  Richard Henderson  <rth@redhat.com>
182
183         PR target/31628
184         * config/i386/i386.c (type_has_variadic_args_p): Look for any
185         TREE_LIST with a void_type_node value, not void_list_node exactly.
186
187 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
188
189         * doc/standards.texi: Re-arrange into language-specific
190         subsections. Add a C++ section, documenting which standards we
191         support.
192
193 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
194
195         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
196         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
197
198 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
199
200         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
201         ecrti.o and crtbegin.o.
202         (LIB_DEFAULT_SPEC): Include -lc.
203         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
204
205 2007-04-20  Richard Henderson  <rth@redhat.com>
206
207         PR target/28623
208         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
209         argument; update all callers.
210         (get_unaligned_offset): New.
211         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
212         get_unaligned_address, just pass on the address directly.
213         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
214         the subreg in the helper patterns.
215         (unaligned_extendqidi_le): Use get_unaligned_offset.
216         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
217         (unaligned_extendhidi_be): Likewise.
218         (unaligned_extendhidi): Tidy.
219         * config/alpha/alpha-protos.h: Update.
220
221 2007-04-20  Richard Henderson  <rth@redhat.com>
222
223         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
224         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
225         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
226         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
227         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
228         (CPP_SPEC): Don't include %(cpp_subtarget).
229         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
230         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
231         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
232
233 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
234
235         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
236         for __builtin_ia32_cmpordss.
237
238         PR tree-optimization/31632
239         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
240         and arg1 for optimizations of comparison against min/max values.
241         Fold arg0 to arg1's type for optimizations of comparison against
242         min+1 and max-1 values.
243
244 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
245
246         * reload.c (combine_reloads): When trying to use a dying register,
247         check whether it's uninitialized and don't use if so.
248
249 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
250
251         * fold-const.c: Remove prototypes for native_encode_expr and
252         native_interpret_expr.
253         (native_encode_expr): Make non-static.
254         (native_interpret_expr): Likewise.
255         * tree.h: Add prototypes for the above.
256
257 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
258
259         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
260         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
261         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
262         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
263         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
264         Add length attributes.
265
266 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
267
268         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
269         not that it is 1.
270
271         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
272         __STDC_WANT_DEC_FP__.
273
274 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
275
276         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
277         for long double compatibility.
278         * configure: Regenerate.
279
280 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
281
282         PR rtl-optimization/29841
283         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
284         trap instructions.
285         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
286         that may cause control flow transfer from being moved.
287
288 2007-04-18  Jan Hubicka  <jh@suse.cz>
289
290         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
291         types.
292
293 2007-04-18  Eric Christopher  <echristo@apple.com>
294
295         * config/rs6000/darwin.md (load_macho_picbase): Use link register
296         only. Update operands.
297         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
298         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
299         link register to pic register.
300
301 2007-04-18  Dirk Mueller  <dmueller@suse.de>
302
303         PR diagnostic/31227
304         * tree-vrp.c (search_for_addr_array): New.
305         (check_array_bounds): Suppress warning about
306         address taken of array refs if its not de-referenced.
307
308 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
309
310         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
311         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
312
313         * tree-vectorizer.h (NITERS_KNOWN_P): New.
314         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
315         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
316
317         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
318         dump print.
319         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
320         print message.
321         (vect_analyze_scalar_cycles): Fix indentation.
322         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
323         (vect_mark_relevant): Include phis in relevance analysis.
324
325         * tree-vect-transform.c (vect_transform_loop): Add an assert.
326
327 2007-04-18  Anatoly Sokolov <aesok@post.ru>
328
329         * config/avr/avr.c (ptrreg_to_str): Replace error() with
330         output_operand_lossage().
331
332 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
333
334         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
335         the unused code for reduction without adjust-in-epilog to simplify the
336         function.
337
338 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
339
340         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
341         (S390_TDC_NEGATIVE_ZERO): New constant.
342         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
343         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
344         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
345         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
346         (S390_TDC_POSITIVE_INFINITY): New constant.
347         (S390_TDC_NEGATIVE_INFINITY): New constant.
348         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
349         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
350         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
351         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
352         (S390_TDC_INFINITY): New constant.
353         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
354         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
355         optimization for UNSPEC_CCZ_TO_INT.
356         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
357         ("*ccz_to_int"): New insn.
358         ("isinf<mode>2"): New insn.
359         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
360         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
361         (UNSPEC_CCZ_TO_INT): New constant.
362
363 2007-04-18  Richard Guenther  <rguenther@suse.de>
364
365         PR tree-optimization/19431
366         PR tree-optimization/21463
367         * tree-pass.h (pass_phiprop): Declare.
368         * passes.c (init_optimization_passes): New phiprop pass.
369         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
370         (phivn_valid_p): New helper function.
371         (phiprop_insert_phi): Likewise.
372         (propagate_with_phi): Likewise.
373         (tree_ssa_phiprop): New propagator propagating loads
374         through phi nodes if profitable.
375
376 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
377
378         * tree-vect-analyze.c (process_use): New function.
379         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
380         Check phis in all bbs.
381         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
382         assert.
383
384 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
385
386         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
387         we use REG_EQUAL.
388
389 2007-04-17  Anatoly Sokolov <aesok@post.ru>
390
391         PR target/30483
392         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
393         error().
394
395 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
396
397         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
398         on "0".
399         (sse_vmmulv4sf3): Likewise.
400         (sse2_vmaddv2df3): Likewise.
401         (sse2_vmmulv2df3): Likewise.
402
403 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
404
405         PR rtl-optimization/31360
406         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
407         (target_reg_cost): New.
408         (init_set_costs): Initialize target_reg_cost.  Add comments
409         regarding the rationale of the costs.
410         (global_cost_for_size): Renamed to...
411         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
412         of register pressure.
413         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
414         estimate_reg_pressure_cost.  Add number of ivs.
415         (determine_set_costs): Dump target_reg_cost.
416         * loop-invariant.c (gain_for_invariant):  Use
417         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
418         (best_gain_for_invariant, find_invariants_to_move): Remove
419         n_inv_uses.
420         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
421         (target_reg_cost): Declare.
422         (global_cost_for_size): Declaration removed.
423         (estimate_reg_pressure_cost): Declare.
424
425 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
426
427         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
428         regnos into even/odd register pairs.
429         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
430         TDmode similar to the other floating point modes.
431         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
432         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
433         define_expand's.
434         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
435         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
436         (movdd_hardfloat64): Use TARGET_MFPGPR.
437
438 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
439
440         * reload1.c (delete_output_reload): Don't count output in n_inherited.
441
442         Revert
443         2005-01-05  Richard Henderson  <rth@redhat.com>
444         PR rtl-opt/10692
445         * reload1.c (do_input_reload): Restrict the optimization deleteing
446         a previous output reload to RELOAD_FOR_INPUT.
447
448 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
449
450         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
451         induc_vec_info_type.
452         (vectorizable_induction): New function declaration.
453         * tree-vect-transform.c (get_initial_def_for_induction): No need to
454         check if already vectorized.  Find first place in BB where new stmts
455         can be inserted.  Takes only one argument.
456         (vectorizable_induction): New function.
457         (vect_transform_stmt): Add case for induc_vec_info_type to call
458         vectorizable_induction.
459         (vect_transform_loop): Consider phis for vectorization.
460         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
461         condition.
462         (analyze_operations): Call vectorizable_induction when analyzing phis.
463         Fix comment.
464         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
465         (vect_mark_relevant): Include phis in relevance analysis.
466         (vect_mark_stmts_to_be_vectorize): Likewise.
467         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
468
469 2007-04-16  Lawrence Crowl  <crowl@google.com>
470
471         * doc/invoke.texi (Debugging Options): Add documentation for the
472         -femit-struct-debug options -femit-struct-debug-baseonly,
473         -femit-struct-debug-reduced, and
474         -femit-struct-debug-detailed[=...].
475
476         * c-opts.c (c_common_handle_option): Add
477         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
478         and OPT_femit_struct_debug_detailed_.
479         * c.opt: Add specifications for
480         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
481         and -femit-struct-debug-detailed[=...].
482         * opts.c (set_struct_debug_option): Parse the
483         -femit-struct-debug-... options.
484         * opts.c (matches_main_base, main_input_basename,
485         main_input_baselength, base_of_path, matches_main_base): Add
486         variables and functions to compare header base name to compilation
487         unit base name.
488         * opts.c (should_emit_struct_debug): Add to determine to emit a
489         structure based on the option.
490         (dump_struct_debug) Also disabled function to debug this
491         function.
492         * opts.c (handle_options): Save the base name of the
493         compilation unit.
494
495         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
496         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
497         This hook indicates if a type is generic.  Set it by default
498         to "never generic".
499         * langhooks.h (struct lang_hooks_for_types): Add a new hook
500         to determine if a struct type is generic or not.
501         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
502         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
503         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
504         with live C++ hook.
505
506         * flags.h (enum debug_info_usage): Add an enumeration to describe
507         a program's use of a structure type.
508         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
509         to indicate the program's usage of the type.  Filter structs based
510         on the -femit-struct-debug-... specification.
511         (gen_type_die): Split into two routines, gen_type_die and
512         gen_type_die_with_usage.  gen_type_die is now a wrapper
513         that assumes direct usage.
514         (gen_type_die_with_usage): Replace calls to gen_type_die
515         with gen_type_die_with_usage adding the program usage of
516         the referenced type.
517         (dwarf2out_imported_module_or_decl): Suppress struct debug
518         information using should_emit_struct_debug when appropriate.
519
520 2007-04-16  Ian Lance Taylor  <iant@google.com>
521
522         PR tree-optimization/31522
523         * tree-vrp.c (vr_phi_edge_counts): New static variable.
524         (vrp_initialize): Allocate vr_phi_edge_counts.
525         (vrp_visit_phi_node): Don't push to infinity if we saw a new
526         executable edge.  Drop test for all constants.
527         (vrp_finalize): Free vrp_phi_edge_counts.
528
529         * doc/cpp.texi (Common Predefined Macros): Clarify description of
530         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
531
532         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
533         predecessors at head rather than tail.
534
535 2007-04-16  Matthias Klose  <doko@debian.org>
536
537         * config/alpha/linux.h (CPP_SPEC): Define.
538         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
539
540 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
541
542         * function.h: Remove sequence_stack extern declaration.
543
544 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
545
546         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
547         TARGET_FIDOA.
548         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
549         defined.
550
551 2007-04-16  Anatoly Sokolov <aesok@post.ru>
552
553         * config/avr/avr.c (avr_arch_types): Rearranging  array.
554         (enum avr_arch): Add.
555         (avr_mcu_types): Use avr_arch enumeration constants instead of
556         numbers.
557         * config/avr/avr.h (LINK_SPEC): Simplify.
558
559 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
560
561         * config/m68k/m68k.c (m68k_libcall_value,
562         m68k_function_value): Use macros for register names more.
563
564         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
565         instead.
566         (M68K_REGNAME): Use A6_REG.
567         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
568
569 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
570
571         PR middle-end/28071
572         * sched-int.h (struct deps): Split field 'pending_lists_length' into
573         'pending_read_list_length' and 'pending_write_list_length'.  Update
574         comment.
575         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
576         to handle two length counters instead of one.  Update all uses.
577         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
578         two length counters instead of one.
579         * sched-rgn.c (propagate_deps): Update to handle two length counters
580         instead of one.
581
582 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
583
584         PR target/31582
585         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
586         copy of source, pass it to ix86_expand_vector_set and return
587         it as target.
588
589 2007-04-16  David Ung  <davidu@mips.com>
590             Joseph Myers  <joseph@codesourcery.com>
591
592         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
593         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
594         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
595         Add 74K processor information.
596         * config/mips/mips.md: Include 74k.md.
597         (cpu): Add 74kc,74kf,74kx.
598         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
599         * config/mips/74k.md: New.
600         * doc/invoke.texi (MIPS Options): Document 74K support.
601
602 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
603
604         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
605         vectorizable_* functions.
606         * tree-vect-transform.c (vectorizable_call): Add check for
607         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
608         (vectorizable_store): likewise.
609         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
610         Add comments.
611         (vectorizable_operation, vectorizable_type_demotion): Likewise.
612         (vectorizable_type_promotion, vectorizable_load): Likewise.
613         (vectorizable_live_operation, vectorizable_condition): Likewise.
614         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
615         STMT_VINFO_LIVE_P.
616         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
617
618 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
619
620         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
621         register numbers more.
622         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
623         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
624         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
625         FUNCTION_VALUE_REGNO_P): Likewise.
626         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
627         STATIC_CHAIN_REGNUM): Likewise.
628         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
629         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
630         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
631         * config/m68k/m68k.md (FP_REG): New.
632
633 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
634
635         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
636         alignment on fido.
637
638 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
639
640         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
641         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
642         comment typos.
643
644 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
645
646         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
647         cold loops.
648
649 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
650
651         PR c/31520
652         * c-decl.c (finish_decl): Grab the type of the decl after the call
653         to store_init_value.
654
655 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
656
657         * common.opt (fforward-propagate): Fix "Optimization" annotation.
658
659 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
660
661         PR c++/25874
662         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
663         post dominators and cleanup cfg before returning.
664
665 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
666
667         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
668         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
669
670 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
671
672         * config.gcc: Recognize fido.
673         * config/m68k/m68k-devices.def (fidoa): New.
674         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
675         __mfido__.
676         (FL_FIDOA, TARGET_FIDOA): New.
677         * config/m68k/m68k.opt (mfidoa): New.
678
679 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
680
681         PR middle-end/31322
682         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
683         when a personality function is used.
684
685 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
686
687         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
688
689 2007-04-13  Mike Stump  <mrs@apple.com>
690
691         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
692         we can...
693         * config/darwin.opt (fapple-kext): Make C++ only.
694         * config/darwin.c (darwin_override_options): Remove code to ensure
695         -fapple-kext is given for C++ only.
696
697 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
698
699         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
700         * config/mips/mips.c (override_options): Call
701         SUBTARGET_OVERRIDE_OPTIONS, if defined.
702
703 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
704
705         * config/i386/i386.opt (msvr3-shlib): Removed.
706
707         * doc/invoke.texi: Remove -msvr3-shlib.
708
709 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
710
711         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
712         with "popcnt" instruction.
713
714 2007-04-13  Richard Guenther  <rguenther@suse.de>
715
716         PR tree-optimization/21258
717         * tree-vrp.c (compare_case_labels): New helper.
718         (find_switch_asserts): New function.
719         (find_assert_locations): Call it for SWITCH_EXPRs.
720
721 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
722
723         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
724         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
725         check is now implied in X87_FLOAT_MODE_P.
726         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
727         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
728         (fix_trunc<mode>_i386_fisttp): Ditto.
729         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
730         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
731         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
732         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
733         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
734         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
735         (unnamed_splitters): Ditto.
736         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
737         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
738         FIRST_SSE_REG for local functions when SSE math is enabled or
739         for functions with sseregparm attribute.
740         (standard_80387_constant_p): Return -1 if mode is not
741         X87_FLOAT_MODE_P.
742         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
743         (ix86_expand_compare): Ditto.
744         (ix86_expand_carry_flag_compare): Ditto.
745         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
746         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
747         DECIMAL_FLOAT_MODE_P.
748         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
749         of SCALAR_FLOAT_MODE_P.
750         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
751         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
752         checks before FLOAT_MODE_P.
753         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
754         before FLOAT_MODE_P.
755         [DIV]: Ditto.
756         [NEG]: Ditto.
757         [ABS]: Ditto.
758         [SQRT]: Ditto.
759         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
760
761 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
762             Charles Wilson  <libtool@cwilson.fastmail.fm>
763
764         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
765         (libgcc.mvars): Don't depend on them.
766         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
767         * exec-tool.in: New.
768
769 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
770
771         * doc/invoke.text (--help): Document --help=common.
772
773 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
774
775         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
776
777 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
778
779         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
780         * genemit.c (main): Emit #include "integrate.h".
781         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
782         (LOADGP_RTP): New mips_loadgp_style.
783         * config/mips/mips.h: Include config/vxworks-dummy.h.
784         (TARGET_RTP_PIC): New macro.
785         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
786         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
787         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
788         for TARGET_RTP_PIC.
789         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
790         -mvxworks-pic when using -mrtp and a PIC option.
791         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
792         for RTP PIC.
793         (mips_symbolic_constant_p, mips_symbolic_address_p)
794         (mips_symbol_insns): Handle SYMBOL_HALF.
795         (override_options): Warn about -G and -mrtp being used together.
796         Initialize mips_lo_relocs[SYMBOL_HALF].
797         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
798         (mips_emit_loadgp): Handle LOADGP_RTP.
799         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
800         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
801         (tablejump): Handle function-relative case table entries if
802         TARGET_RTP_PIC.
803         * config/mips/predicates.md (symbol_ref_operand): New predicate.
804
805 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
806
807         * config/mips/mips.md (load_call<mode>): Allow any general register.
808         destination.
809         (sibcall_value_internal, sibcall_value_multiple_internal)
810         (call_value_internal, call_value_split, call_value_multiple_internal)
811         (call_value_multiple_split): Remove constraints from operand 0.
812
813 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
814
815         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
816         rather than loadgp_noshared.
817         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
818         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
819         gen_loadgp.
820         * config/mips/mips.md (loadgp): Rename to...
821         (loadgp_newabi): ...this.
822         (loadgp_noshared): Rename to...
823         (loadgp_absolute): ...this.
824
825 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
826
827         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
828         false for locally-binding symbols.
829         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
830
831 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
832
833         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
834         (SYMBOL_GOT_PAGE_OFST): ...this.
835         (SYMBOL_GOT_GLOBAL): Rename to...
836         (SYMBOL_GOT_DISP): ...this.
837         (SYMBOL_GOTOFF_GLOBAL): Rename to...
838         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
839         * config/mips/mips.c (mips_global_symbol_p): New function.
840         (mips_symbol_binds_local_p): Likewise.
841         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
842         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
843         and mips_symbol_binds_local_p.
844         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
845         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
846         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
847         SYMBOL_GOTOFF_DISP.
848         (mips_ok_for_lazy_binding_p): New function.
849         (mips_load_call_address, mips_expand_call): Use it.
850         (mips_dangerous_for_la25_p): Likewise.
851         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
852         (*got_disp<mode>): Use got_disp_operand instead of
853         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
854         SYMBOL_GOTOFF_GLOBAL.
855         (*got_page<mode>): Use got_page_ofst_operand instead of
856         local_got_operand.
857         * config/mips/predicates.md (const_call_insn_operand): Use
858         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
859         (global_got_operand): Rename to...
860         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
861         SYMBOL_GOT_GLOBAL.
862         (local_got_operand): Rename to...
863         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
864         of SYMBOL_GOT_LOCAL.
865
866 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
867
868         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
869         TARGET_CALL_CLOBBERED_GP.
870         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
871         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
872         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
873         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
874         of TARGET_ABICALLS && !TARGET_NEWABI.
875         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
876         * config/mips/mips.c (mips_load_call_address): Check
877         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
878         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
879         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
880         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
881         TARGET_ABICALLS && TARGET_NEWABI.
882         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
883         TARGET_ABICALLS.
884         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
885         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
886         TARGET_ABICALLS && TARGET_NEWABI.
887         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
888         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
889         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
890         whether indirect calls must use $25.
891         (mips_extra_live_on_entry): Check TARGET_GOT instead of
892         TARGET_ABICALLS.
893         * config/mips/mips.md (jal_macro): Check flag_pic and
894         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
895         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
896         instead of TARGET_ABICALLS.
897         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
898         TARGET_ABICALLS && TARGET_OLDABI.
899         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
900         (sibcall): In the comment above the define_insn, mention
901         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
902         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
903         instead of TARGET_ABICALLS.
904
905 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
906
907         * doc/md.texi (Blackfin family constraints): Document PA and PB.
908         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
909         (MACFLAGS_MATCH_P): New macro.
910         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
911         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
912         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
913         the other MACFLAG constants.
914         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
915         (flag_machi): Tighten constraints.  Renumber some of the operands.
916         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
917         output template.
918         (flag_machi_parts_acconly): New pattern.
919         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
920         used.
921         (flag_macinit1hi): Tighten constraints.
922         (flag_mul_macv2hi_parts_acconly): New pattern.
923
924         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
925         Use a more efficient implementation.
926         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
927         inline sequences when not optimizing for size.
928
929         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
930         movhi_high2low): Delete, merge functionality into...
931         (packv2hi): ... this pattern.
932
933         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
934         * config/bfin/bfin.opt (msim): New option.
935         (mcpu=): New option.
936         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
937         (bfin_cpu_t): Typedef of enum bfin_cpu.
938         (bfin_cpu_type): New declaration.
939         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
940         -msim and -mcpu= options.
941         (LIB_SPEC): Likewise.
942         * config/bfin/bfin.c (bfin_cpu_type): Define.
943         (bfin_handle_option): Handle -mcpu= option.
944         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
945         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
946         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
947
948 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
949
950         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
951         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
952         (powerpc-wrs-vxworksae): Use ${tm_file}.
953         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
954         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
955         * config/i386/vx-common.h: New file.
956
957 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
958
959         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
960         of crt0.o%s.
961
962 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
963
964         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
965         ldxtr.
966
967 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
968
969         PR c++/31078
970         PR c++/31103
971         * c-common.c (c_build_qualified_type): Set canonical type
972         appropriately.
973
974 2007-04-12  Richard Guenther  <rguenther@suse.de>
975
976         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
977         lower bound and element size if lower bound is not zero
978         or either of the ARRAY_REF operands is set.
979
980 2007-04-12  Richard Guenther  <rguenther@suse.de>
981
982         PR tree-optimization/24689
983         PR tree-optimization/31307
984         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
985         indices by value.
986         * gimplify.c (canonicalize_addr_expr): To be consistent with
987         gimplify_compound_lval only set operands two and three of
988         ARRAY_REFs if they are not gimple_min_invariant.  This makes
989         it never at this place.
990         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
991
992 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
993
994         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
995         null before emitting a .nsubspa directive.
996
997 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
998
999         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1000         need_to_partition_p if there are no memory statements in the
1001         function.
1002
1003 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1004
1005         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1006         (gcd_of_steps_may_divide_p): New function.
1007         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1008
1009 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1010
1011         * reload.c (find_reloads_toplev, find_reloads_address,
1012         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1013         not a pointer equality test, to decide if we need to call
1014         push_reg_equiv_alt_mem.
1015
1016 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1017
1018         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1019         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1020         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1021
1022 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1023
1024         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1025         vector to be positive.
1026
1027 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1028
1029         PR 30735
1030         PR 31090
1031         * doc/invoke.texi: Document --params max-aliased-vops and
1032         avg-aliased-vops.
1033         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1034         debug_memory_partitions): Move to tree-flow.h
1035         * params.h (AVG_ALIASED_VOPS): Define.
1036         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1037         users.
1038         (mp_info_t): Likewise.
1039         (get_mem_sym_stats_for): New.
1040         (set_memory_partition): Move from tree-flow-inline.h.
1041         (mark_non_addressable): Only clear the set of symbols for the
1042         partition if it exists.
1043         (dump_memory_partitions): Move from tree-ssa-operands.c
1044         (debug_memory_partitions): Likewise.
1045         (need_to_partition_p): New.
1046         (dump_mem_ref_stats): New.
1047         (debug_mem_ref_stats): New.
1048         (dump_mem_sym_stats): New.
1049         (debug_mem_sym_stats): New.
1050         (update_mem_sym_stats_from_stmt): New.
1051         (compare_mp_info_entries): New.
1052         (mp_info_cmp): Call it.
1053         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1054         objects.
1055         (get_mpt_for): Move from tree-ssa-operands.c.
1056         (find_partition_for): New.
1057         (create_partition_for): Remove.
1058         (estimate_vop_reduction): New.
1059         (update_reference_counts): New.
1060         (build_mp_info): New.
1061         (compute_memory_partitions): Refactor.
1062         Document new heuristic.
1063         Call build_mp_info, update_reference_counts,
1064         find_partition_for and estimate_vop_reduction.
1065         (compute_may_aliases): Populate virtual operands before
1066         calling debugging dumps.
1067         (delete_mem_sym_stats): New.
1068         (delete_mem_ref_stats): New.
1069         (init_mem_ref_stats): New.
1070         (init_alias_info): Call it.
1071         (maybe_create_global_var): Remove alias_info argument.
1072         Get number of call sites and number of pure/const call sites
1073         from gimple_mem_ref_stats().
1074         (dump_alias_info): Call dump_memory_partitions first.
1075         (dump_points_to_info_for): Show how many times a pointer has
1076         been dereferenced.
1077         * opts.c (decode_options): For -O2 set --param
1078         max-aliased-vops to 500.
1079         For -O3 set --param max-aliased-vops to 1000 and --param
1080         avg-aliased-vops to 3.
1081         * fortran/options.c (gfc_init_options): Remove assignment to
1082         MAX_ALIASED_VOPS.
1083         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1084         * tree-dfa.c (dump_variable): Dump memory reference
1085         statistics.
1086         Dump NO_ALIAS* settings.
1087         (referenced_var_lookup): Tidy.
1088         (mem_sym_stats): New.
1089         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1090         and ORIG are different SSA names for a memory partition.
1091         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1092         * tree-flow.h (struct mem_sym_stats_d): Define.
1093         (mem_sym_stats_t): Define.
1094         (struct mem_ref_stats_d): Define.
1095         (struct gimple_df): Add field mem_ref_stats.
1096         (enum noalias_state): Define.
1097         (struct var_ann_d): Add bitfield noalias_state.
1098         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1099         debug_mem_ref_stats, debug_memory_partitions,
1100         debug_mem_sym_stats): Declare.
1101         * tree-ssa-structalias.c (update_alias_info): Update call
1102         sites, pure/const call sites and asm sites in structure
1103         returned by gimple_mem_ref_stats.
1104         Remove local variable IS_POTENTIAL_DEREF.
1105         Increase NUM_DEREFS if the memory expression is a potential
1106         dereference.
1107         Call update_mem_sym_stats_from_stmt.
1108         If the memory references memory, call
1109         update_mem_sym_stats_from_stmt for all the direct memory
1110         symbol references found.
1111         (intra_create_variable_infos): Set noalias_state field for
1112         pointer arguments according to the value of
1113         flag_argument_noalias.
1114         * tree-ssa-structalias.h (struct alias_info): Remove fields
1115         num_calls_found and num_pure_const_calls_found.
1116         (update_mem_sym_stats_from_stmt): Declare.
1117         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1118         Set default value to 100.
1119         (PARAM_AVG_ALIASED_VOPS): Define.
1120
1121 2007-04-11  Richard Guenther  <rguenther@suse.de>
1122
1123         PR middle-end/31530
1124         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1125         a * -b + c as c - a * b if we honor sign dependent rounding.
1126
1127 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1128
1129         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1130         bfin_expand_strmov.
1131         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1132         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1133         variables.
1134         (initialize_trampoline): Don't use old-style function definition.
1135         (bfin_secondary_reload): Mark IN_P argument as unused.
1136
1137 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1138
1139         PR tree-optimization/31343
1140         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1141         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1142         * testsuite/gcc.dg/vect/pr31343.c: New.
1143
1144 2007-04-10  Eric Christopher  <echristo@apple.com>
1145
1146         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1147         * config/i386/i386.md (*cmpfp0): Use.
1148         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1149         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1150         (fix_trunc<mode>_i386_fisttp): Ditto.
1151         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1152         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1153         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1154         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1155         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1156         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1157         (unnamed_splitters): Ditto.
1158         * config/i386/i386.c (output_fix_trunc): Assert that
1159         we're not being passed a TFmode operand.
1160
1161 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1162
1163         PR tree-optimization/31526
1164         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1165         n_basic_blocks to find newly added blocks.
1166
1167 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1168
1169         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1170         alternative.
1171         (fix_trunc<mode>si_sse): Ditto.
1172         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1173         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1174         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1175         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1176         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1177         expander using SSEMODEF mode macro.
1178         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1179         expander using SSEMODEF mode macro.
1180         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1181         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1182         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1183         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1184         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1185         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1186         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1187         Macroize insn using X87MODEF mode macro.
1188
1189 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1190
1191         * config/i386/sse.md (sse2_pinsrw): Removed.
1192         (sse2_pextrw): Renamed to ...
1193         (*sse2_pextrw): This.
1194
1195 2007-04-09  Jan Hubicka  <jh@suse.cz>
1196
1197         PR target/27869
1198         * config/i386/sse.md
1199         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1200         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1201         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1202         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1203
1204 2007-04-09  Jan Hubicka  <jh@suse.cz>
1205
1206         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1207         multiple fields of union.
1208
1209 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1210
1211         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1212         (create_preheaders): Check that loops are available.
1213         (fix_loop_structure): Clean up, improve comments.
1214         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1215         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1216         state flags.
1217         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1218         * predict.c (tree_estimate_probability): Do not call
1219         calculate_dominance_info.  Call create_preheaders.
1220         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1221         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1222         flags.
1223         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1224         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1225         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1226         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1227         arguments.
1228
1229 2007-04-08  Jan Hubicka  <jh@suse.cz>
1230
1231         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1232         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1233         * fold-const.c (fold_unary): Use it.
1234
1235 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1236
1237         * varasm.c (assemble_variable): Remove call to
1238         lang_hooks.decls.prepare_assemble_variable.
1239         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1240         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1241         * langhooks.h (lang_hooks_for_decls): Remove
1242         prepare_assemble_variable.
1243
1244 2007-04-08  Mike Stump  <mrs@apple.com>
1245
1246         * config/i386/i386.c: Use inc/dec on Core2.
1247
1248 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1249
1250         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1251         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1252         lhd_tree_inlining_end_inlining): Remove.
1253         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1254         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1255         end_inlining hooks.
1256         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1257         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1258         lhd_tree_inlining_end_inlining): Remove prototypes.
1259         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1260         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1261         LANG_HOOKS_TREE_INLINING_START_INLINING,
1262         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1263
1264         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1265         not set it.
1266
1267 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1268
1269         PR target/29932
1270         * config/avr/predicates.md (io_address_operand): Delete predicate.
1271         (low_io_address_operand): Don't use 'mode' argument.
1272         (higth_io_address_operand): Rename ...
1273         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1274         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1275         for above change.
1276
1277 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1278
1279         Revert change removing staticp.
1280
1281 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1282
1283         PR target/30289
1284         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1285         earlyclobber.
1286
1287 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1288
1289         * c.opt: Add -Wformat-contains-nul.
1290         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1291           -Wformat setting.
1292         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1293         the NUL byte warning.
1294
1295 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1296
1297         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1298
1299 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1300
1301         * tree.c (staticp): No longer use staticp langhook.
1302         * langhooks.c (lhd_staticp): Removed.
1303         * langhooks.h (struct lang_hooks): Remove staticp.
1304         * c-common.c (c_staticp): Remove.
1305         * c-common.h (c_staticp): Ditto.
1306         * langhooks-defs.h (lhd_staticp): Ditto.
1307         (LHD_HOOKS_STATICP): Ditto
1308         * tree.h (gcc_assert_lowered): New macro.
1309
1310 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1311
1312         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1313         argument "reliable".
1314         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1315         Add argument "reliable".  Propagate it through calls.
1316         (infer_loop_bounds_from_undefined):  Derive number of iterations
1317         estimates from references in blocks that do not dominate loop latch.
1318         (gcov_type_to_double_int): New function.
1319         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1320         and expected_loop_iterations_unbounded.
1321         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1322         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1323         * tree-data-ref.c (estimated_loop_iterations): Export.
1324         (get_references_in_stmt): Fix -- do not return addresses of local
1325         objects.
1326         * cfgloop.h (expected_loop_iterations_unbounded,
1327         estimated_loop_iterations): Declare.
1328
1329 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1330
1331         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1332
1333 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1334
1335         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1336         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1337         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1338         Use output_387_reg_move().
1339         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1340         expander using X87MODEF12 mode macro.
1341         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1342         choosing register preferences.  Use output_387_reg_move().
1343         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1344         instead of "x".  Use output_387_reg_move().
1345         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1346         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1347         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1348         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1349         Use output_387_reg_move().
1350         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1351         mode macro.
1352         (*truncxf?f_i387 splitter): Ditto.
1353
1354 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1355
1356         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1357         LANG_HOOKS_SAFE_FROM_P.
1358         * expr.c (safe_from_p): Remove langhook call.
1359         * langhooks.h (lang_hooks): Remove safe_from_p.
1360         (lhd_safe_from_p): Remove prototype.
1361         * langhooks.c (lhd_safe_from_p): Remove.
1362
1363 2007-04-06  Jan Hubicka  <jh@suse.cz>
1364
1365         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1366         functions.
1367
1368 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1369
1370         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1371         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1372         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1373         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1374         alternative.
1375         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1376         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1377
1378 2007-04-05  Richard Henderson  <rth@redhat.com>
1379
1380         * config/alpha/alpha.c (print_operand) [+]: Remove.
1381         (alpha_end_function): Print nop if call at end of function.
1382         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1383         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1384         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1385         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1386         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1387         the call pattern. Update peepholes to match.
1388
1389 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
1390
1391         * doc/extend.texi (Other Builtins): Add decimal float variants
1392         of signbit.
1393         * builtins.def: Ditto.
1394         * builtins.c (expand_builtin): Ditto.
1395
1396 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
1397             H.J. Lu  <hongjiu.lu@intel.com>
1398
1399         PR target/31478
1400         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1401         of V8HImode when calling ix86_binary_operator_ok.
1402         (sse2_pmaddwd): Call ix86_binary_operator_ok.
1403         (sdot_prodv8hi): Operands 1 and 2 must be register.
1404
1405 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1406
1407         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1408         initialize align to silence bogus warning.
1409
1410 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1411
1412         PR middle-end/22156
1413         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1414         all_no_warning.
1415         (struct sra_walk_fns): Remove use_all parameter from use.
1416         (sra_hash_tree): Handle BIT_FIELD_REFs.
1417         (sra_elt_hash): Don't hash bitfld blocks.
1418         (sra_elt_eq): Skip them in parent compares as well.  Handle
1419         BIT_FIELD_REFs.
1420         (sra_walk_expr): Don't maintain or pass down use_all_p.
1421         (scan_use): Remove use_all parameter.
1422         (scalarize_use): Likewise.  Re-expand assignment to
1423         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1424         output, and re-scalarize after output.  Don't mark anything
1425         for no warning.
1426         (scalarize_ldst): Adjust.
1427         (scalarize_walk_gimple_modify_statement): Likewise.
1428         (build_element_name_1): Handle BIT_FIELD_REFs.
1429         (instantiate_element): Don't warn for any element whose parent
1430         is used as a whole.
1431         (instantiate_missing_elements_1): Return the sra_elt.
1432         (canon_type_for_field): New.
1433         (try_instantiate_multiple_fields): New.
1434         (instantiate_missing_elemnts): Use them.
1435         (mark_no_warning): Removed.
1436         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1437         (REPLDUP, sra_build_elt_assignment): New.
1438         (generate_copy_inout): Use them.
1439         (generate_element_copy): Likewise.  Handle bitfld differences.
1440         (generate_element_zero): Don't recurse for blocks.  Use
1441         sra_build_elt_assignment.
1442         (generate_one_element_int): Take elt instead of var.  Use
1443         sra_build_elt_assignment.
1444         (generate_element_init_1): Adjust.
1445         (scalarize_use, scalarize_copy): Use REPLDUP.
1446         (scalarize_ldst): Move assert before dereference.
1447         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1448
1449 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1450
1451         * regmove.c: Fix unused variable warnings due to previous commit.
1452
1453 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1454
1455         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1456         (regmove_bb_head): Remove.
1457         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1458         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1459         problems with fixup_match_1.
1460         Don't initialize/free regmove_bb_head.
1461
1462         (reg_is_remote_constant_p): If an insn is in the same basic block
1463         but not before INSN, consider it remote, too.
1464
1465 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1466
1467         PR target/25448
1468         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1469         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1470
1471 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
1472
1473         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1474         (CONDITIONAL_REGISTER_USAGE): Likewise.
1475
1476 2007-04-04  Richard Henderson  <rth@redhat.com>
1477
1478         * config/alpha/lib1funcs.asm: Remove unused file.
1479
1480 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1481
1482         PR other/31356
1483         * opts.c (print_specific_help): Fix --help=<language>
1484         header line.
1485         (common_handle_option): Support --help=common.
1486
1487 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1488
1489         PR other/31353
1490         * gcc.c (main): Do not run the linker if
1491         print_subprocess_help indicates that it shouldn't be
1492         run.
1493
1494 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1495
1496         PR doc/31355
1497         * doc/invoke.texi (--help=): Document <languages> value, fix
1498         formatting in tables of values.
1499
1500 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
1501
1502         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1503         dllimport attribute of virtual methods.
1504
1505 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
1506
1507         * config/score/crti.asm: Change _bss_start to __bss_start.
1508         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1509         (OUTGOING_REG_PARM_STACK_SPACE) update.
1510         * config/score/score.opt: add options to make backend support
1511         score5, score5u, score7 and score7d.
1512         * config/score/score.md: Likewise.
1513         * config/score/misc.md: Likewise.
1514         * config/score/mac.md: Likewise.
1515         * doc/invoke.texi: Likewise.
1516         * doc/md.texi: update constraints define.
1517
1518 2007-04-03  Richard Henderson  <rth@redhat.com>
1519
1520         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1521         an appropriate type, use the mode instead.
1522
1523 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
1524
1525         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1526         Set the default --with-arch setting to mips2.
1527         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1528         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1529         (MULTILIB_OSDIRNAMES): Delete.
1530         (MULTILIB_DIRNAMES): Define.
1531         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1532         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1533         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1534         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
1535         VXWORKS_OS_CPP_BUILTINS.
1536         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1537         (MIPS_DEBUGGING_INFO): Undefine.
1538         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1539
1540 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1541
1542         PR middle-end/30704
1543         * fold-const.c (native_encode_real): Encode real.c provided longs
1544         as a series of 32-bit native integers.
1545         (native_interpret_real): Interpret buffer as a series of 32-bit
1546         native integers.
1547
1548 2007-04-03  Richard Guenther  <rguenther@suse.de>
1549
1550         * genpreds.c (write_insn_constraint_len): Write function
1551         optimized for CONSTRAINT_LEN implementation.
1552         (write_tm_preds_h): Output insn_constraint_len inline and
1553         use it for CONSTRAINT_LEN.
1554         (write_insn_preds_c): Don't output insn_constraint_len.
1555         * doc/md.texi (define_register_constraint): Document multi-letter
1556         constraints shall have the same length if they start with the same
1557         letter.
1558
1559 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1560
1561         PR target/31175
1562         * config/i386/i386.md (isinf<mode>2): Expand only when
1563         TARGET_C99_FUNCTIONS is set.
1564
1565 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1566
1567         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1568         (x86_64-*-linux*): Ditto.
1569         * config/i386/i386.opt (mpc): New option.
1570         * config/i386/i386.c (overrride_options): Handle
1571         ix87_precision_string.
1572         * config/i386/crtprec.c: New file.
1573         * config/i386/t-crtpc: Ditto.
1574         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1575         and -mpc80 options.
1576         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1577         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1578         crtprec32.o, crtprec64.o and crtprec80.o.
1579
1580         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1581         and -mpc80 options.
1582         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1583
1584 2007-04-02  Eric Christopher  <echristo@apple.com>
1585
1586         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1587         limitations on darwin.
1588
1589 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1590
1591         PR target/31137
1592         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1593
1594 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1595
1596         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1597
1598 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1599
1600         * libgcc2.h (exception_descriptor): Don't forward-declare.
1601         (__get_eh_table_language, __get_eh_table_version): Delete
1602         prototypes of long-dead functions.
1603
1604 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1605
1606         * ebitmap.h: New file
1607         * ebitmap.c: New file
1608         * Makefile.in (ebitmap.o): New target.
1609
1610 2007-04-01  Jan Hubicka  <jh@suse.cz>
1611
1612         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1613         before very first instruction.
1614
1615 2007-04-01  Jan Hubicka  <jh@suse.cz>
1616
1617         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1618         waring on 64bit hosts.
1619         * bitmap.h: Fix typo in bitmap_head_def.
1620
1621 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1622
1623         PR rtl-optimization/31391
1624         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1625         into a DELETED_LABEL note, and the label is in an empty basic
1626         block, update BB_END as well as BB_HEAD.
1627
1628 2007-04-01  Richard Henderson  <rth@redhat.com>
1629
1630         PR tree-optimization/31169
1631         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1632         to varying if the range is outside [0,  prec-1].
1633
1634 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1635
1636         PR target/31388
1637         * config/mips/mips.md (load_const_gp): New insn.
1638         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1639         the MIPS16 GP pseudo register if no_new_pseudos.
1640         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1641
1642 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1643
1644         PR target/31364
1645         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1646         secureplt.
1647         (call_value): Likewise.
1648
1649 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1650             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1651
1652         PR 14737
1653         * doc/invoke.texi: (optimization options): Reword description
1654         of -ffast-math. Document its primary purpose.
1655
1656 2007-03-31  Richard Guenther  <rguenther@suse.de>
1657
1658         * omp-low.c (splay-tree.h): Include.
1659         (lookup_decl): Replace splay-tree usage by pointer-map.
1660         (maybe_lookup_decl): Likewise.
1661         (new_omp_context): Likewise.
1662         (delete_omp_context): Likewise.
1663         * gimplify.c (splay-tree.h): Include.
1664         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1665         pointer-map.
1666         (remap_ssa_name): Likewise.
1667         (remap_decl): Likewise.
1668         (remap_type_1): Likewise.
1669         (remap_type): Likewise.
1670         (copy_body_r): Likewise.
1671         (expand_call_inline): Likewise.
1672         (clone_body): Likewise.
1673         (copy_tree_r): Likewise.
1674         (remap_save_expr): Likewise.
1675         (unsave_r): Likewise.
1676         (unsave_expr_now): Likewise.
1677         (tree_function_versioning): Likewise.
1678         (build_duplicate_type): Likewise.
1679         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1680         (struct copy_body_data): Replace splay-tree by pointer-map.
1681         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1682         not $(SPLAY_TREE_H).
1683         (gimplify.o): Depend on $(SPLAY_TREE_H).
1684         (omp-low.p): Likewise.
1685
1686 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1687
1688         * config/avr/predicates.md (even_register_operand,
1689         odd_register_operand): New predicates.
1690         * config/avr/avr.md (movw peephole2): New.
1691         (movw_r peephole2): New.
1692
1693 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1694
1695         * tree.h (get_signed_or_unsigned_type): New.
1696         * fold-const.c (operand_equal_for_comparison_p): Use
1697         get_signed_or_unsigned_type instead of
1698         lang_hooks.types.signed_or_unsigned_type.
1699         * expr.c (store_expr): Ditto.
1700         * langhooks.c (get_signed_or_unsigned_type): New.
1701         (lhd_signed_or_unsigned_type): New.
1702         * langhooks.h (lhd_signed_or_unsigned_type): New.
1703         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1704
1705 2007-03-30  Richard Henderson  <rth@redhat.com>
1706
1707         * tree-ssa-loop-ivopts.c: Include target.h.
1708         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1709         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1710         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1711         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1712
1713 2007-03-30  Richard Henderson  <rth@redhat.com>
1714             Kai Tietz  <kai.tietz@onevision.com>
1715
1716         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1717         default for 64-bit.
1718         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1719         (TARGET_64BIT_MS_ABI): New.
1720         (DBX_REGISTER_NUMBER): Handle 64-bit.
1721         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1722         (LONG_TYPE_SIZE): Force to 32.
1723         (REG_PARM_STACK_SPACE): New.
1724         (OUTGOING_REG_PARM_STACK_SPACE): New.
1725         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1726         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1727         (STACK_BOUNDARY): Use 128 for 64-bit.
1728         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1729         Add 64-bit implementation.
1730         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1731         argument unused.
1732         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1733         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1734         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1735         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1736         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1737         TARGET_64BIT_MS_ABI.
1738         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1739         (ix86_pass_by_reference): Likewise.
1740         (ix86_function_value_regno_p): Likewise.
1741         (ix86_build_builtin_va_list): Likewise.
1742         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1743         (function_arg_advance_ms_64): New.
1744         (function_arg_advance): Call it.
1745         (function_arg_ms_64): New.
1746         (function_arg): Call it.
1747         (function_value_ms_64): New.
1748         (ix86_function_value_1): Call it.
1749         (return_in_memory_ms_64): New.
1750         (ix86_return_in_memory): Call it.
1751         (setup_incoming_varargs_ms_64): New.
1752         (ix86_setup_incoming_varargs): Call it.
1753         (ix86_expand_prologue): Handle 64-bit stack probing.
1754         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1755         (output_pic_addr_const): Likewise.
1756         (x86_this_parameter): Likewise.
1757         (x86_output_mi_thunk): Likewise.
1758         (x86_function_profiler): Likewise.
1759         (TARGET_STRICT_ARGUMENT_NAMING): New.
1760         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1761         (TARGET_64BIT_MS_ABI): New.
1762         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1763         * config/i386/i386.md (allocate_stack_worker): Remove.
1764         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1765         describe the clobber of eax without a match_scratch.
1766         (allocate_stack_worker_postreload): Remove.
1767         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1768         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1769         (allocate_stack_worker_rex64_postreload): Remove.
1770         (allocate_stack): Handle 64-bit.
1771         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1772         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1773         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1774         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1775         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1776         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1777         * config.build (x86_64-*-mingw*): New host.
1778         * config.host (x86_64-*-mingw*): New host.
1779         * config.gcc (x86_64-*-mingw*): New target.
1780         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1781
1782 2007-03-30  Richard Henderson  <rth@redhat.com>
1783             Kai Tietz  <kai.tietz@onevision.com>
1784
1785         * c-pragma.c (struct def_pragma_macro_value): New.
1786         (struct def_pragma_macro): New.
1787         (pushed_macro_table): New.
1788         (dpm_hash, dpm_eq): New.
1789         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1790         (init_pragma): Install them.
1791         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1792
1793 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1794
1795         * config/avr/avr.c (avr_override_options): Clear
1796         'flag_delete_null_pointer_checks'.
1797
1798 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1799
1800         PR c++/26099
1801         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1802         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1803         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1804         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1805         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1806         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1807         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1808         C++ extensions.
1809         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1810
1811 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1812
1813         * regmove.c: Move all of pass_stack_adjustments from here...
1814         * combine-stack-adj.c: ...to this new file.
1815         * Makefile.in: Add rules for combine-stack-adj.o.
1816
1817 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1818
1819         PR tree-optimization/31383
1820         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1821         to have the same length.
1822
1823 2007-03-30  Jan Hubicka  <jh@suse.cz>
1824
1825         PR middle-end/30700
1826         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1827         availablility; add more sanity checking; ask varpool only about
1828         VAR_DECL.
1829
1830 2007-03-29  Richard Henderson  <rth@redhat.com>
1831
1832         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1833         to decide, but __SIZEOF_LONG_LONG__.
1834
1835 2007-03-29  Richard Henderson  <rth@redhat.com>
1836
1837         * emutls.c (struct __emutls_array): New.
1838         (emutls_destroy): Use it instead of casting element 0 from void*.
1839         (__emutls_get_address): Likewise.
1840
1841 2007-03-29  Richard Henderson  <rth@redhat.com>
1842
1843         * varasm.c (initializer_constant_valid_p): Don't deny
1844         DECL_DLLIMPORT_P on functions.
1845
1846         * config/i386/cygming.h: Remove function declarations.
1847         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1848         (ASM_OUTPUT_LABELREF): Remove.
1849         (COMMON_ASM_OP): Remove.
1850         (ASM_OUTPUT_COMMON): Remove.
1851         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1852         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1853         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1854         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1855         Rename from TARGET_ENCODE_SECTION_INFO.
1856         * config/i386/netware.h: Likewise.
1857         * config/i386/i386-protos.h: Update.
1858         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1859         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1860         (legitimate_constant_p): Reject dllimports.
1861         (dllimport_map, get_dllimport_decl): New.
1862         (legitimize_dllimport_symbol): New.
1863         (legitimize_address, ix86_expand_move): Use it.
1864         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1865         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1866         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1867         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1868         * config/i386/predicates.md (constant_call_address_operand): Only
1869         accept symbols; reject dllimport_p symbols.
1870         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1871         i386_pe_maybe_record_exported_symbol.
1872         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1873         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1874         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1875         trust the setting of DECL_DLLIMPORT_P.
1876         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1877         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1878         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1879         tidy the argument scanning loop.
1880         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1881         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1882         (i386_pe_strip_name_encoding): Remove.
1883         (i386_pe_binds_local_p): New.
1884         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1885         (i386_pe_output_labelref): Remove.
1886         (i386_pe_asm_output_aligned_decl_common): New.
1887         (i386_pe_maybe_record_exported_symbol): Rename from
1888         i386_pe_record_exported_symbol; check for dllexported symbols.
1889
1890 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1891
1892         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1893         add comment explaining why vsnprintf cannot be used.
1894
1895 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1896
1897         PR tree-optimization/30666
1898         * tree.c (build_complex_type): When creating type names for DWARF2
1899         debug info, create TYPE_DECLs for TYPE_NAME instead of
1900         IDENTIFIER_NODEs.
1901         (build_common_tree_nodes_2): Use build_complex_type when building
1902         predefined complex types, to preserve canonical types.
1903
1904 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1905
1906         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1907         (noce_get_alt_condition): Look at it to determine whether to
1908         reverse the condition or not.
1909         (noce_get_condition): Substitute the truth for lies.
1910         (noce_find_if_block): Set the then_else_reversed field.
1911
1912 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1913
1914         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1915         destination of this insn.
1916         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1917         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1918         'address + 4' rather than a stack based temporary which can be
1919         mis-optimized away.
1920
1921 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1922
1923         * config/s390/s390.c (s390_secondary_input_reload_class,
1924         s390_secondary_output_reload_class): Functions removed.
1925         (s390_secondary_reload): New function.
1926         (TARGET_SECONDARY_RELOAD): Target macro defined.
1927         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1928         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1929         * config/s390/s390.md ("reload_outti", "reload_outdi",
1930         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1931         "reload_out<mode>"): Expanders removed.
1932         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1933         "reload<mode>_nonoffmem_out"): Expanders added.
1934
1935 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1936
1937         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1938         SRC->DEST replacement failed anyway.
1939
1940 2007-03-28  Mike Stump  <mrs@apple.com>
1941
1942         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1943         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1944         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1945
1946 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1947
1948         * config.gcc: Accept barcelona as a variant of amdfam10.
1949         * config/i386/i386.c (override_options): Likewise.
1950         * doc/invoke.texi: Likewise.
1951
1952 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1953
1954         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1955         offsets for BIT_FIELD_REF and COMPONENT_REF.
1956
1957 2007-03-28  Richard Guenther  <rguenther@suse.de>
1958
1959         * tree.c (is_global_var): Move ...
1960         * tree-flow-inline.h (is_global_var): ... here.
1961         * tree.h (is_global_var): Remove declaration.
1962
1963 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1964
1965         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1966         option.
1967         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1968         * config/i386/i386.c (ix86_tune_features): Initialize new
1969         tuning option.
1970         * config/i386/predicates.md (promotable_binary_operator): Use
1971         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1972
1973 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1974
1975         PR target/31380
1976         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1977
1978 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1979
1980         * config/fr30/fr30.md (movsi_internal): Change destination
1981         constraint from m to V and add m to the end.
1982
1983 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1984
1985         * config/sh/sh.md (movsi_i): Fix type attribute.
1986
1987 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1988
1989         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1990         (movsf_ie): Likewise.
1991
1992 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1993
1994         * config.gcc: Add sh4-300 to multilib.
1995         * config/sh/t-mlib-sh4-300: New file.
1996
1997 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1998
1999         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2000         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2001         fix_trunc<mode>di2.
2002         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2003         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2004         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2005         "fixuns_trunctddi2"): Whitespace fix.
2006
2007 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2008
2009         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2010         the definition of struct sh_args.
2011         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2012         CALL_COOKIE_INT_REG_GET): Likewise.
2013
2014 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2015
2016         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2017         transformations are applied successfully.
2018
2019 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2020
2021         * tree.c (tree_contains_struct): Permit 512 tree codes.
2022         * tree.h (tree_contains_struct): Ditto.
2023         (MAX_TREE_CODES): Ditto.
2024         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2025         SPARE member to store remaining padding bits.
2026
2027 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2028
2029         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2030         architecture.
2031
2032 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2033
2034         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2035         * configure: Regenerate.
2036
2037         * configure: Regenerate using the correct version of autoconf.
2038
2039 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2040
2041         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2042         pointer regs.
2043         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2044         regs to "__SP_L__" and "__SP_H__".
2045
2046 2007-03-27  Richard Guenther  <rguenther@suse.de>
2047
2048         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2049         computations with it with a HOST_WIDE_INT variable.
2050
2051 2007-03-26  Mike Stump  <mrs@apple.com>
2052
2053         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2054         objective-c-header, objective-c++-header and objc++-cpp-output
2055         support.
2056         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2057
2058 2007-03-26  Richard Henderson  <rth@redhat.com>
2059
2060         PR target/31361
2061         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2062         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2063         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2064         IX86_BUILTIN_PSRLQ128): New.
2065         (ix86_init_mmx_sse_builtins): Add them.
2066         (ix86_expand_builtin): Expand them.
2067         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2068         operand 2 be TImode.
2069         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2070         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2071         _mm_srli_epi64): Mark __B const.
2072         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2073         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2074         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2075         new two-vector shift builtins.
2076
2077 2007-03-26  Ian Lance Taylor  <iant@google.com>
2078
2079         PR tree-optimization/31345
2080         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2081         [+INF, +INF(OVF)] into VARYING.
2082
2083 2007-03-26  Zack Weinberg  <zackw@panix.com>
2084
2085         * gengtype-parse.c: New file.
2086         * gengtype-yacc.y: Delete.
2087         * gengtype-lex.l: Don't include gengtype-yacc.h.
2088         Define YY_DECL and yyterminate appropriately for recursive
2089         descent parser.  yylval is now a string out-parameter to yylex.
2090         (HWS, EOID): New shorthand.
2091         (IWORD): Add a couple more types.
2092         (yylex): Add a setup stanza.  Remove the complex rules for
2093         detecting GTY'ed types and typedefs; replace with simple
2094         keyword detectors.  Adjust everything for the changed
2095         definition of yylval.  Ignore all pp-directives, not just #define.
2096         (yyerror): Delete.
2097         (parse_file): Rename yybegin; do not call yyparse.
2098         (yyend): New.
2099         * gengtype.c (xasprintf): Export again.
2100         (this_file): New.  Use everywhere __FILE__ was being used.
2101         (get_lang_bitmap): Special case types defined in gengtype.c.
2102         (do_typedef, new_structure): Suppress definition of certain types.
2103         (new_structure): Improve diagnostics of duplicate definitions.
2104         Make sure location_s is associated with input.h.
2105         (nreverse_pairs, define_location_structures): New functions.
2106         (main): Improve tagging of kludge types.  Remove old kludges
2107         for input.h types; use define_location_structures.
2108         * gengtype.h: Update prototypes.  Define token codes here.
2109         * Makefile.in: Remove all references to gengtype-yacc.
2110         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2111         and gengtype.
2112         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2113         add GTY((skip)) to the field that's only conditionally there.
2114         * doc/install.texi: Document that Bison is no longer required
2115         unless building treelang.
2116
2117         * gengtype.c: Don't include gtyp-gen.h.
2118         (srcdir): Declare here.
2119         (base_files, lang_dir_names): Allocate dynamically.
2120         (gt_files, num_gt_files, num_lang_dirs): New globals.
2121         (measure_input_list, read_input_line, read_input_list)
2122         (set_lang_bitmap): New functions.
2123         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2124         simplify, relying on read_input_list to set up the bitmaps.
2125         (main): Arguments are no longer unused.  Check for correct number
2126         of command line arguments, set srcdir and srcdir_len, then call
2127         read_input_list, before doing anything else.  No need to worry
2128         about duplicates in main loop.
2129         * configure.ac: Simplify the calculation of all_gtfiles.
2130         Put language tags in there.  Don't set or substitute
2131         all_gtfiles_files_langs or all_gtfiles_files_frags.
2132         * Makefile.in: Revamp the way gengtype is invoked, now that it
2133         takes a file on its command line with a much simpler format.
2134         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2135         (GTFILES): Remove duplicates and C source files.
2136         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2137         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2138         * configure: Regenerate.
2139
2140         * gengtype.h: Remove all type definitions to gengtype.c; leave
2141         only definitions of options_p, type_p, and pair_p as opaque
2142         pointers.  Update prototypes.
2143         * gengtype.c: Many type definitions moved here from gengtype.h.
2144         Consolidate type definitions at the top of the file.
2145         (xvasprintf): Delete.
2146         (xasprintf): Make static.
2147         (create_nested_pointer_option): Add 'next' parameter.
2148         (create_field_all, create_field_at): New functions.
2149         (create_field): Now a thin wrapper around create_field_all.
2150         (create_optional_field): Rename create_optional_field_ and add
2151         line argument.  Original name is now a macro which supplies
2152         __LINE__.
2153         (oprintf): Use vsnprintf directly.
2154         (close_output_files): Use fatal rather than perror/exit.
2155         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2156         (main): Set progname.  Don't use exit.
2157         * gengtype-yacc.y (struct_fields): Use create_field_at.
2158         (option, optionseqopt): Delete.
2159         (optionseq): Consolidate productions from option here so we
2160         can use the first argument to create_option.
2161
2162         * gengtype-lex.l: Distinguish unions from structures in the
2163         token type.  Don't call find_structure; return the tag as a string.
2164         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2165         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2166         Reorganize typedef_struct production accordingly.
2167         Use create_nested_ptr_option.
2168         * gengtype.c (create_nested_ptr_option): New function.
2169         * gengtype.h: Declare it.
2170
2171         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2172         (string_type): Don't declare.
2173         (do_scalar_typedef): Declare.
2174         (create_scalar_type): Update prototype.
2175         * gengtype.c (string_type): Make static.
2176         (scalar_nonchar, scalar_char): New.
2177         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2178         (resolve_typedef): Use scalar_nonchar for error recovery.
2179         (create_scalar_type): Remove name_len field.  Return scalar_char
2180         or scalar_nonchar as appropriate.
2181         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2182         to use string_type.
2183         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2184         whenever possible.
2185         (main): Initialize scalar_char and scalar_nonchar before calling
2186         gen_rtx_next.
2187         * gengtype-lex.l: Adjust for removal of second argument to
2188         create_scalar_type.  Use yylval.s instead of yylval.t when
2189         returning SCALAR.
2190         * gengtype-yacc.y: Type of SCALAR is string.  Call
2191         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2192         second argument to create_scalar_type.
2193
2194         * vec.h: Remove all #if IN_GENGTYPE blocks.
2195         Add comment saying that changes may require adjustments to gengtype.
2196         * gengtype.c: Don't include coretypes.h or tm.h.
2197         Add comment to inclusion of errors.h.
2198         (note_def_vec, note_def_vec_alloc): New functions.
2199         * gengtype.h: Declare new functions.
2200         * gengtype-lex.l: Don't include coretypes.h.
2201         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2202         Delete.
2203         (update_lineno): Remove unnecessary prototype.
2204         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2205         (VEC rule): Just return VEC_TOKEN.
2206         * gengtype-yacc.y (VEC_TOKEN): New token type.
2207         (type): Add a production for VEC(a,b).
2208         * Makefile.in: Update dependencies.
2209
2210         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2211         typedefs that use the old PARAMS macro.
2212
2213         * gengtype-lex.l: Remove all rules and states relating to yacc
2214         input files.
2215         * gengtype-yacc.y: Similarly.
2216         * gengtype.c (note_yacc_type): Delete function.
2217         * gengtype.h: Update prototypes.
2218
2219 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2220
2221         * tree-pretty-print.c (dump_generic_node): Report precision of
2222         unnamed integer types.
2223
2224 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2225
2226         * ifcvt.c (noce_try_store_flag_constants): Don't check
2227         no_new_pseudos here.
2228         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2229         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2230         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2231         noce_try_sign_mask): Likewise.
2232         (if_convert): Check no_new_pseudos here.
2233
2234         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2235         Remove prototypes.
2236         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2237         (noce_get_condition): Handle new then_else_reversed argument.
2238         (noce_init_if_info): Remove, fold into noce_find_if_block.
2239         (noce_process_if_block): Take a struct noce_if_info as the
2240         argument.  Don't set up one based on ce_if_info.  Update pointer
2241         references accordingly.
2242         (cond_move_process_if_block): Likewise.
2243         (process_if_block): Removed.
2244         (find_if_block): Removed.  Move functionality two new functions,
2245         noce_find_if_block and cond_exec_find_if_block.
2246         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2247         blocks and the symmetric IF-ELSE-JOIN case.
2248         (cond_exec_find_if_block): Also new function mostly based on old
2249         find_if_block and process_if_block.
2250         (find_if_header): Replace find_if_block call with separately
2251         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2252         (find_cond_trap): Update noce_get_condition call.
2253         (dead_or_predicable): Likewise.
2254
2255 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2256
2257         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2258         Remove.
2259         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2260         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2261         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2262         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2263         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2264         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2265         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2266         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2267         __builtin_ia32_psrad128 builtins.
2268
2269 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2270
2271         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2272         * config/i386/constraints.md
2273         (define_constraint "I"): Use IN_RANGE macro.
2274         (define_constraint "J"): Ditto.
2275         (define_constraint "K"): Ditto.
2276         (define_constraint "M"): Ditto.
2277         (define_constraint "N"): Ditto.
2278         (define_constraint "O"): Ditto.
2279         * config/i386/predicates.md
2280         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2281         (define_predicate "const_0_to_3_operand"): Ditto.
2282         (define_predicate "const_0_to_7_operand"): Ditto.
2283         (define_predicate "const_0_to_15_operand"): Ditto.
2284         (define_predicate "const_0_to_63_operand"): Ditto.
2285         (define_predicate "const_0_to_255_operand"): Ditto.
2286         (define_predicate "const_1_to_31_operand"): Ditto.
2287         (define_predicate "const_2_to_3_operand"): Ditto.
2288         (define_predicate "const_4_to_7_operand"): Ditto.
2289
2290 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2291
2292         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2293         in SImode for save_world.
2294         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2295         LR hard reg.
2296
2297 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2298
2299         PR tree-optimization/30784
2300         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2301         BIT_FIELD_REF.
2302
2303 2007-03-25  Revital Eres  <eres@il.ibm.com>
2304
2305         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2306           Fold movement_possibility function into it.
2307
2308 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2309
2310         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2311         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2312         (call_indirect_nonlocal_darwin64): Same.
2313         (call_nonlocal_darwin64): Same.
2314         (call_value_indirect_nonlocal_darwin64): Same.
2315         (call_value_nonlocal_darwin64): Same.
2316         (sibcall_nonlocal_darwin64): Same.
2317         (sibcall_value_nonlocal_darwin64): Same.
2318         (sibcall_symbolic_64): Same.
2319         (sibcall_value_symbolic_64): Same.
2320         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2321         LR pseudo.
2322         (rs6000_emit_load_toc_table): Same.
2323         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2324         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2325         (mull_call): Same.
2326         (divss_call): Same.
2327         (divus_call): Same.
2328         (quoss_call): Same.
2329         (quous_call): Same.
2330         (load_toc_v4_pic_si): Same
2331         (load_toc_v4_PIC_1): Same.
2332         (load_toc_v4_PIC_1b): Same.
2333         (call_indirect_aix{32,64}): Same.
2334         (call_value_indirect_aix{32,64}): Same.
2335         (call): Same.
2336         (call_value): Same.
2337         (call_local{32,64}): Same.
2338         (call_value_local{32,64}): Same.
2339         (call_indirect_nonlocal_aix{32,64}): Same.
2340         (call_nonlocal_aix{32,64}): Same.
2341         (call_value_indirect_nonlocal_aix{32,64}): Same.
2342         (call_value_nonlocal_aix{32,64}): Same.
2343         (call_indirect_nonlocal_sysv<mode>): Same.
2344         (call_nonlocal_sysv<mode>): Same.
2345         (call_value_indirect_nonlocal_sysv<mode>): Same.
2346         (call_value_nonlocal_sysv<mode>): Same.
2347         (sibcall): Same.
2348         (sibcall_local{32,64}): Same.
2349         (sibcall_value_local{32,64}): Same.
2350         (sibcall_nonlocal_aix{32,64}): Same.
2351         (sibcall_value_nonlocal_aix{32,64}): Same.
2352         (sibcall_nonlocal_sysv<mode>): Same.
2353         (sibcall_value): Same.
2354         (sibcall_value_nonlocal_sysv<mode>): Same.
2355
2356 2007-03-24  Paul Brook  <paul@codesourcery.com>
2357
2358         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2359         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2360
2361 2007-03-24  Richard Henderson  <rth@redhat.com>
2362
2363         * config/ia64/constraints.md: New file.
2364         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2365         satisfies_constraint_?.
2366         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2367         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2368         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2369         ia64_output_mi_thunk): Likewise.
2370         (ia64_const_ok_for_letter_p): Remove.
2371         (ia64_const_double_ok_for_letter_p): Remove.
2372         (ia64_extra_constraint): Remove.
2373         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2374         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2375         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2376         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2377         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2378         EXTRA_MEMORY_CONSTRAINT): Remove.
2379         * config/ia64/ia64.md: Include constriants.md.  Replace
2380         CONST_OK_FOR_? with satisfies_constraint_?.
2381
2382 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
2383             H.J. Lu  <hongjiu.lu@intel.com>
2384
2385         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2386         DPD or BID name.
2387         (name macros): Use DPD_BID_NAME to convert names properly.
2388
2389         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2390         decimal floating point format.
2391         (init_floating_libfuncs): Change decimal functions so that they
2392         have a "bid_" prefix if the decimal system uses the BID format,
2393         and "dpd_" prefix if the decimal system uses the DPD format.
2394         (init_interclass_conv_libfuncs): Ditto.
2395         (init_intraclass_conv_libfuncs): Ditto.
2396
2397         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2398         using the BID format.
2399
2400         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2401         whether we are using the BID decimal format.
2402         * configure: Regenerate.
2403
2404         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2405         the compiler has decimal floating point enabled.  Define
2406         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2407         instead of DPD.
2408
2409         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2410         using the BID format.
2411
2412         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2413         whether we are using the BID decimal format.
2414         * configure: Regenerate.
2415
2416         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2417         the compiler has decimal floating point enabled.  Define
2418         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2419         instead of DPD.
2420
2421         * doc/install.texi (--enable-decimal-float): Document BID and DPD
2422         options, and that it is enabled for i386/x86_64 systems.
2423
2424         * Makefile.in (enable_decimal_float): New.
2425         (DECNUMFMT): New.
2426         (DECNUMINC): Add  -I$(DECNUMFMT).
2427         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2428         to $(DECNUMFMT) from $(DECNUM).
2429
2430         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2431         Substitute enable_decimal_float.
2432         * configure: Regenerated.
2433
2434         PR other/30529
2435         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2436         unsigned long.
2437
2438         * configure.ac: Enable decimal float for x86_64-*-linux*.
2439         * configure: Regenerated.
2440
2441         PR other/30530
2442         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2443         decimal128ClearSign to flip and clear the sign bit in decimal128.
2444         (decimal_real_maxval): Set decimal128SetSign to set the sign
2445         bit in decimal128.
2446
2447 2007-03-23  Ian Lance Taylor  <iant@google.com>
2448
2449         * fold-const.c (fold_binary): Correct warning for X - c >= X.
2450
2451 2007-03-23  Ian Lance Taylor  <iant@google.com>
2452
2453         * tree-dump.c (dump_files): Correct comment.
2454
2455 2007-03-23  Ian Lance Taylor  <iant@google.com>
2456
2457         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2458
2459 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
2460
2461         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
2462         in cfglayout mode.  Don't go into and out of cfglayout mode.
2463         Link the blocks in the order of the constructed traces.
2464         (rest_of_handle_tracer): Adjust call to tracer.
2465         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2466         Don't go into cfglayout mode.
2467         (rtl_loop_done): Don't go out of cfglayout mode.
2468         * cfglayout.c (relink_block_chain): New function, split out from...
2469         (fixup_reorder_chain): ...here.  Remove redundant checking.
2470         (cfg_layout_finalize): Don't clear the header, footer, and aux
2471         fields here, move the code to do so to relink_block_chain.  Likewise
2472         for free_original_copy_tables.
2473         * rtl.h (tracer): Update prototype.
2474         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2475         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
2476         mode.  Use relink_block_chain to serialize the CFG according to the
2477         new basic block order.  Move targetm.cannot_modify_jumps_p check from
2478         here...
2479         (gate_handle_reorder_blocks): ...to here.
2480         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2481         from here...
2482         (gate_duplicate_computed_gotos): ...to here.
2483         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2484         something always changes when going into and out of cfglayout mode.
2485         Perform an expensive cfg cleanup while going into cfglayout mode.
2486         Always update liveness information on HAVE_conditional_execution
2487         targets.  Reserialize the basic blocks and go out of cfglayout mode.
2488         * reg-stack.c: Include cfglayout.h.
2489         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2490         the call to reorder_basic_blocks.
2491         * basic-block.h (reorder_basic_blocks): Update prototype.
2492         (relink_block_chain): New prototype.
2493         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2494
2495 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
2496
2497         * config/mips/mips.md (type, hazard, *movdi_32bit,
2498         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2499         *movhi_internal, *movqi_internal, *movsf_hardfloat,
2500         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2501         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2502         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2503         applicable.
2504         (movcc): Change first xfer to multi.
2505         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2506         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2507         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2508         config/mips/generic.md: Change reservations using "xfer" to use
2509         "mfc,mtc".
2510         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2511         using match_operand.
2512         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2513         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2514         examining mode.
2515         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2516
2517 2007-03-22  Richard Henderson  <rth@redhat.com>
2518
2519         * config/i386/i386.c: Remove unnecessary function declarations.
2520         Move targetm definition, and all related macros, to the end of
2521         the file.  Resort some functions to put definitions before uses.
2522         (ix86_attribute_table): Make static.  Move to end of file.
2523         (ix86_gimplify_va_arg): Make static.
2524
2525 2007-03-22  Richard Henderson  <rth@redhat.com>
2526
2527         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2528         don't increase local_regparm with force_align_arg_pointer check.
2529         (ix86_function_sseregparm): Assert 32-bit.
2530         (type_has_variadic_args_p): New.
2531         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
2532         type_has_variadic_args_p.
2533         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2534         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
2535         use memset instead.  Do maybe_vaarg check first; skip attribute
2536         tests if true; skip attribute tests for 64-bit.
2537         (construct_container): Remove TARGET_DEBUG_ARG.
2538         (function_arg_advance_32, function_arg_advance_64): Split out ...
2539         (function_arg_advance): ... from here.
2540         (function_arg_32, function_arg_64): Split out ...
2541         (function_arg): ... from here.
2542         (ix86_pass_by_reference): Tidy.
2543         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2544         (function_value_32): New, from parts of ix86_function_value
2545         and ix86_value_regno.
2546         (function_value_64): New, from parts of ix86_function_value
2547         and ix86_libcall_value.
2548         (ix86_function_value_1): New.
2549         (ix86_function_value, ix86_libcall_value): Use it.
2550         (return_in_memory_32, return_in_memory_64): Split out ...
2551         (ix86_return_in_memory): ... from here.
2552         (ix86_struct_value_rtx): Skip for 64-bit.
2553         (ix86_libcall_value, ix86_value_regno): Remove.
2554         (setup_incoming_varargs_64): Split out ...
2555         (ix86_setup_incoming_varargs): ... from here.
2556         (ix86_va_start): Remove TARGET_DEBUG_ARG.
2557         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2558         * config/i386/i386-protos.h (ix86_function_value): Remove.
2559         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2560
2561 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2562
2563         PR other/23572
2564         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2565         infinities not supported, otherwise emit warning if -Woverflow. On
2566         underflow, emit warning if -Woverflow.
2567         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2568         and 0 otherwise.
2569         * real.h (real_from_string): Update declaration
2570
2571 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
2572             Richard Henderson  <rth@redhat.com>
2573
2574         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2575         * calls.c (compute_argument_block_size, expand_call,
2576         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2577         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2578         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2579         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2580         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2581         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2582         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2583         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2584         Set to 1.
2585
2586 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2587
2588         * c-incpath.c (add_sysroot_to_chain): New.
2589         (merge_include_chains): Add sysroot argument.  Call
2590         add_sysroot_to_chain if sysrooted.
2591         (register_include_chains): Update call to merge_include_chains.
2592         * doc/cppopts.texi: Document use of '=' in include directory
2593         arguments.
2594
2595 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2596
2597         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2598         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2599         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2600         insn pattern using X87MODEF12 mode macro.
2601
2602 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2603
2604         * regmove.c (regmove_optimize): Use reg_mentioned_p
2605         instead of reg_overlap_mentioned_p for DST.
2606
2607 2007-03-21  Mike Stump  <mrs@apple.com>
2608
2609         * c.opt: Fixup for Objective-C/C++.
2610
2611 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2612
2613         * explow.c (convert_memory_address): Fold memory reference when
2614         POINTERS_EXTEND_UNSIGNED < 0
2615
2616 2007-03-21  Richard Henderson  <rth@redhat.com>
2617
2618         PR target/31245
2619         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2620         * config/i386/mmintrin.h (__m64): Likewise.
2621         * config/i386/xmmintrin.h (__m128): Likewise.
2622
2623 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2624
2625         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2626         (VXWORKS_OS_CPP_BUILTINS): Define.
2627         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2628         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2629
2630 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2631
2632         * rtl.h (constant_pool_reference_p): Delete.
2633         (find_constant_src): Declare.
2634         * rtlanal.c (find_constant_src): New function.
2635         * simplify-rtx.c (constant_pool_reference_p): Delete.
2636         * config/i386/i386.md: Use find_constant_src instead of
2637         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2638
2639 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2640
2641         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2642         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2643
2644 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2645
2646         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2647         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2648         (arm_elf_asm_constructor): Use it.
2649         (arm_elf_asm_destructor): New function.
2650
2651 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2652
2653         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2654
2655 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2656
2657         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2658
2659 2007-03-19  Andrew Haley  <aph@redhat.com>
2660
2661         PR tree-optimization/31264
2662         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2663         VIEW_CONVERT_EXPRs.
2664
2665 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2666
2667         PR rtl-optimization/30907
2668         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2669         (fwprop_init): Always call loop_optimizer_initialize.
2670         (fwprop_done): Always call loop_optimizer_finalize.
2671         (fwprop): We always have loop info now.
2672         (gate_fwprop_addr): Remove.
2673         (pass_fwprop_addr): Use gate_fwprop as gate.
2674
2675         PR rtl-optimization/30841
2676         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2677         df_chain_alloc): Call df_reorganize_refs unconditionally.
2678         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2679         refs_organized to refs_organized_size.
2680         (df_ref_create_structure): Use refs_organized_size instead of
2681         bitmap_size if refs had been organized, and keep refs_organized_size
2682         up-to-date.
2683         * df.h (struct df_ref_info): Change refs_organized to
2684         refs_organized_size.
2685         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2686         bitmap_size.
2687
2688 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2689
2690         * except.c (output_function_exception_table): Do not reference the
2691         EH personality routine for functions that do not require an
2692         exception table.
2693
2694 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2695
2696         PR c/30762
2697         * c-typeck.c (convert_for_assignment): Call comptypes for
2698         RECORD_TYPE or UNION_TYPE.
2699
2700         PR inline-asm/30505
2701         * reload1.c (reload): Do invalid ASM checking after
2702         cleanup_subreg_operands.
2703
2704 2007-03-19  Jeff Law  <law@redhat.com>
2705
2706         * tree-cfg.c (find_taken_edge): Tighten conditions for
2707         optimizing computed gotos.
2708
2709 2007-03-19  Michael Matz  <matz@suse.de>
2710
2711         * builtins.c (expand_builtin_sync_operation,
2712         expand_builtin_compare_and_swap,
2713         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2714         correctly.
2715
2716         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2717         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2718         for operand 3.
2719
2720 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2721
2722         * doc/tm.texi: Add brackets around the return type of
2723         TARGET_SECONDARY_RELOAD.
2724
2725 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2726         Richard Guenther  <rguenther@suse.de>
2727
2728         PR tree-optimization/31254
2729         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2730         Use handled_component_p () where appropriate.  Continue
2731         propagating into the rhs if we propagated into an INDIRECT_REF
2732         on the lhs.
2733
2734 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2735
2736         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2737         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2738         (xde, xdee): Mode attributes adjusted to support DFP modes.
2739         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2740         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2741         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2742         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2743         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2744         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2745         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2746         numbers.
2747         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2748         "movsf"): Insn definitions removed.
2749         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2750         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2751         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2752         definitions added.
2753         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2754         "reload_in<mode>", "reload_out<mode>"): Expander added.
2755         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2756         Expander removed.
2757
2758 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2759
2760         * config/s390/s390.md: Only non-functional changes.  Renamed
2761         FPR mode macro to BFP all over the file.
2762
2763 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2764
2765         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2766         (op_type attribute): RRF instruction type added.
2767         (fT0): New mode attribute.
2768         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2769         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2770         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2771         no secondary memory is needed when moving DFmode values between GPRs
2772         and FPRs.
2773
2774 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2775
2776         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2777         inverted and documentation adjusted.
2778         ("mhard-dfp", "msoft-dfp"): New options.
2779         * config/s390/s390.c (s390_handle_arch_option): New architecture
2780         switch: z9-ec.
2781         (override_options): Sanity checks for the new options added.
2782         * config.gcc: New architecture switch: z9-ec.
2783         * config/s390/s390.h (processor_flags): PF_DFP added.
2784         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2785         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2786         when the bit is NOT set so remove it from the defaults.
2787
2788 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2789
2790         * genemit.c (main): Print include statement for dfp.h.
2791         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2792         is not available.
2793
2794 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2795
2796         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2797
2798 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2799
2800         PR target/31022
2801         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2802         instead of PATTERN.
2803
2804 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2805
2806         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2807         attr_length_call, output_call, output_indirect_call): Cleanup
2808         formatting of targetm calls.
2809
2810 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2811
2812         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2813
2814 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2815
2816         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2817         reservation, bypass and anti-bypass descriptions for these instructions.
2818         Update move patterns.
2819         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2820         TYPE_FPSTORE.
2821
2822 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2823
2824         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2825         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2826         (get_initial_def_for_reduction): Likewise.
2827
2828 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2829
2830         Fix PR tree-optimization/29922
2831         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2832         (get_representative): Removed.
2833         (value_dies_in_block_x): Update for rvuse removal.
2834         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2835         (compute_antic_aux): Handle when PHI nodes appear in
2836         non-single-successors.
2837         (dump_bitmap_of_names): Removed.
2838         (compute_antic_safe): Renamed and removed rvuse calculation.
2839         Calculate only antic safe.
2840         (insert_into_preds_of_block): Remove assert.
2841         (execute_pre): Update for renamed functions.
2842         (defer_or_phi_translate_block): New function.
2843
2844 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2845
2846         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2847         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2848         typos.
2849         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2850         Follow spelling conventions.
2851
2852         * tree-data-ref.h: Remove the prototype for analyze_array.
2853
2854 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2855
2856         PR tree-optimization/31041
2857         * tree-vect-transform.c (get_initial_def_for_induction): Call
2858         force_gimple_operand.
2859
2860 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2861
2862         * ipa-type-escape.c (look_for_casts) : Revert code to use
2863         handled_component_p due to ada test a-numaux.adb.
2864
2865 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2866
2867         * final.c (final_scan_insn): Alter the condition of a
2868         conditional trap if we have nonstandard CC.
2869
2870 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2871
2872         * configure.ac: Remove excess quoting from asm line 0 test.
2873         * configure: Rebuilt.
2874
2875 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2876
2877         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2878         * c-common.c (convert_and_check): Move warning logic to...
2879         (warnings_for_convert_and_check): ...here. Define.
2880         * c-common.h (warnings_for_convert_and_check): Declare.
2881
2882 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2883
2884         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2885         (output_call): Likewise.
2886
2887 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2888
2889         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2890
2891 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2892
2893         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2894
2895 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2896
2897         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2898         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2899
2900 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2901
2902         PR tree-optimization/31183
2903         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2904         Use double_int instead of unsigned int for representing access_strides.
2905         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2906
2907 2007-03-16  Richard Guenther  <rguenther@suse.de>
2908
2909         PR tree-optimization/31146
2910         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2911         to allow recursion of forward_propagate_addr_expr.
2912         (forward_propagate_addr_into_variable_array_index): Likewise.
2913         (forward_propagate_addr_expr): Likewise.
2914         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2915         (forward_propagate_addr_expr_1): Recurse on simple copies
2916         instead of propagating into them.  Do so for useless conversions
2917         as well.
2918         (forward_propagate_addr_expr): Clean up unused statements after
2919         recursion.
2920
2921 2007-03-16  Richard Guenther  <rguenther@suse.de>
2922
2923         * builtins.c (expand_builtin_cexpi): Use the right argument
2924         for the expansion via cexp.
2925
2926 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2927
2928         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2929         * configure: Rebuilt.
2930
2931 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2932
2933         PR debug/29906
2934         * dwarf2out.c (force_type_die): Adjust comment.
2935         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2936
2937 2007-03-15  DJ Delorie  <dj@redhat.com>
2938
2939         * config/frv/predicates.md (minmax_operator): Don't check operands
2940         here.
2941
2942 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2943
2944         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2945         Update constant estimates of number of iterations.
2946         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2947         argument renamed to "realistic".
2948         (compute_estimated_nb_iterations): Removed.
2949         (record_niter_bound): New function.
2950         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2951         call record_nonwrapping_iv with upper = false.
2952         (infer_loop_bounds_from_signedness): Pass upper argument to
2953         record_nonwrapping_iv.
2954         (estimate_numbers_of_iterations_loop): Do not call
2955         compute_estimated_nb_iterations.  Record estimate based on profile
2956         information.  Initialize the constant estimates of number of
2957         iterations.
2958         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2959         estimates.
2960         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2961         number of iterations is too small.
2962         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2963         (EST_NOT_AVAILABLE): Removed.
2964         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2965         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2966         fields.
2967
2968 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2969
2970         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2971         Handle NE_EXPR guards.
2972
2973 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2974
2975         PR c++/24924
2976         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2977         Set also -pedantic-errors by default for the  preprocessor unless
2978         -fpermissive is given.
2979
2980 2007-03-15  Richard Guenther  <rguenther@suse.de>
2981
2982         PR middle-end/29719
2983         PR middle-end/31161
2984         * builtins.c (expand_builtin_cexpi): As a fallback if we
2985         don't have builtins for sincos or cexp create a function
2986         declaration for cexp and expand to a call to that.
2987         (expand_builtin_int_roundingfn): Always fall
2988         back to floor/ceil and its variants even if they may be
2989         not available.
2990
2991 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2992
2993         PR middle-end/31159
2994         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2995         jump tables, move the call to delete_dead_jumptables from here...
2996         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2997         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2998         don't allow merging of blocks that try_redirect_by_replacing_jump
2999         also does not handle when not optimizing.
3000
3001 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3002             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3003
3004         * config/i386/i386.md (x86_sahf_1): Correctly handle
3005         HAVE_AS_IX86_SAHF.
3006
3007 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3008
3009         PR target/31167
3010         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3011         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3012         from operand constraints and use "e" constraint instead.
3013         (*subti3_1, *subti3_1 splitter): Ditto.
3014         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3015         operand[1] predicate.
3016
3017 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3018
3019         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3020         arrays, multiply the access strides by the size of the sub-array.
3021         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3022
3023 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3024
3025         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3026         the configured assembler supports the sahf mnemonic.
3027         * configure: Regenerate.
3028         * config.in: Regenerate.
3029
3030         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3031         emit "sahf" or ".byte\t0x9e" as asm template.
3032
3033 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3034
3035         PR 31018
3036         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3037         option to replace hard coded TARGET_xxx in md file.
3038         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3039         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3040         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3041         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3042         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3043         (X86_TUNE_NOT_VECTORMODE): Ditto.
3044         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3045         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3046         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3047         (TUNE_SLOW_IMUL_IMM8): Ditto.
3048         (TUNE_MOVE_M1_VIA_OR): Ditto.
3049         (TUNE_NOT_UNPAIRABLE): Ditto.
3050         (TUNE_NOT_VECTORMODE): Ditto.
3051
3052         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3053         options.
3054
3055         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3056         tuning options instead of hard coded TARGET_xxx.
3057         (fix ssemode peephole2's): Ditto.
3058         (imul peephole2's): Ditto.
3059         (movsi_or): Ditto.
3060         (movdi_or_rex64): Ditto.
3061         (move peephole2): Ditto.
3062         (not peephole2's): Ditto.
3063
3064 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3065
3066         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3067         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3068         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3069         of empty body.
3070         * c-parser.c (c_parser_do_statement): Warn about empty body in
3071         do/while statement.
3072         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3073         * doc/invoke.texi (-Wempty-body): Update documentation.
3074
3075 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3076
3077         PR c/21438
3078         * c-common.h (warn_for_div_by_zero): Declare.
3079         * c-common.c (warn_for_div_by_zero): Define.
3080         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3081         warning.
3082
3083 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3084
3085         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3086         to PREFIX and STANDARD_PREFIX.
3087
3088 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3089             Phil Edwards  <phil@codesourcery.com>
3090
3091         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3092         (__gthread_once_t): Remove busy field for RTPs.
3093         (__GTHREAD_ONCE_INIT): Update accordingly.
3094
3095 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3096
3097         * doc/invoke.texi: Document VxWorks options.
3098
3099 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3100
3101         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3102
3103 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3104
3105         PR tree-optimization/30590
3106         * tree-nrv.c (tree_nrv): Check for the partial update of the
3107         return value.
3108
3109 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3110
3111         * flags.h (flag_random_seed): Remove declaration, in favor of...
3112         * toplev.h (get_random_seed, set_random_seed): ... these.
3113         * tree.c (get_file_function_name): Use the former.
3114         * opts.c (common_handle_option): Use the latter.
3115         * toplev.c
3116
3117 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3118
3119         PR middle-end/31127
3120         * cse.c (cse_find_path): Do not bail out if a basic block that
3121         we already visited now becomes part of a path that starts at a
3122         different basic block.  Just disallow this, to make sure we
3123         visit each basic block at most once.
3124
3125 2007-03-13  Jan Hubicka  <jh@suse.cz>
3126
3127         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3128         when profile esitmate is present, calls with very low frequency are
3129         cold.
3130
3131 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3132
3133         PR tree-optimization/30730
3134         PR tree-optimization/26900
3135         * tree-ssa-loop-niter.c: Include gmp.h.
3136         (bounds): New type.
3137         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3138         split_to_var_and_offset, determine_value_range,
3139         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3140         bound_difference, bounds_add, bounds_negate,
3141         number_of_iterations_ne_max, dump_affine_iv): New functions.
3142         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3143         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3144         difference of initial and final value of control iv to validate
3145         results.
3146         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3147         on the difference of the extremes of the control iv.  Add dumps.
3148         (expand_simple_operations): Handle phi nodes.
3149         (simplify_using_initial_conditions): Do not record used conditions.
3150         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3151         Do not set additional_info.
3152         (implies_nonnegative_p, implies_ge_p): Removed.
3153         (derive_constant_upper_bound): Do not use parameter `additional'.
3154         (record_estimate): Parameter `additional' removed.  Parameter
3155         `i_bound' added.  Do not call derive_constant_upper_bound.
3156         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3157         bound the number of iterations estimate.
3158         (estimate_numbers_of_iterations_loop): Pass the estimate from
3159         the number of iterations analysis to record_estimate.
3160         * tree.h (multiple_of_p): Declare.
3161         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3162         (scev_const_prop): Do not check expression_expensive_p.
3163         * fold-const.c (multiple_of_p): Exported.
3164         * double-int.c (double_int_mask): Exported.
3165         * double-int.h (double_int_mask): Declare.
3166         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3167         field.  Added max field.
3168
3169 2007-03-13  David Taylor  <taylor@candd.org>
3170
3171         PR driver/12448:
3172         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3173         default -MQ.
3174
3175 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3176
3177         PR target/31123
3178         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3179         two unamed patterns.
3180
3181 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3182
3183         * config/i386/i386.opt (mcx16, msahf): New options.
3184         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3185         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3186
3187         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3188         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3189         Output -mcx16 and -msahf options when corresponding bit is set.
3190
3191         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3192         and -msahf options.
3193
3194 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3195
3196         * configure.ac: Test for assembler tolerance to # 0 "".
3197         * configure, config.in: Rebuilt.
3198         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3199
3200 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3201
3202         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3203
3204         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3205         (handle_syscall): Handle direct system calls.
3206         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3207
3208 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3209
3210         * doc/invoke.texi: Fix cpp.info cross-reference.
3211         * doc/passes.texi: Fix gcc.info cross-reference.
3212
3213 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3214
3215         PR tree-optimization/30835
3216         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3217         bb_for_stmt is not NULL before accessing it.
3218
3219 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3220
3221         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3222         some multilibs.
3223
3224 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3225
3226         PR 30635
3227         * doc/install.texi: Document --enable-stage1-languages
3228
3229 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3230
3231         * tree-pass.h (pass_into_cfg_layout_mode,
3232         pass_outof_cfg_layout_mode): Declare.
3233         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3234         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3235         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3236         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3237
3238 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3239
3240         * c-decl.c (warn_variable_length_array): New function.
3241         Refactored from grokdeclarator to handle warn_vla
3242         and handle unnamed array case.
3243         (grokdeclarator): Refactored VLA warning case.
3244         * c.opt (Wvla): New flag.
3245         * doc/invoke.texi (Wvla): New warning.
3246
3247 2007-03-12  Richard Henderson  <rth@redhat.com>
3248
3249         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3250         (TARGET_SECTION_TYPE_FLAGS): New.
3251
3252 2007-03-12  Richard Henderson  <rth@redhat.com>
3253
3254         * config/darwin.c (machopic_reloc_rw_mask): New.
3255         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3256         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3257
3258 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3259
3260         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3261         * cppdefault.h (cpp_PREFIX): Document.
3262         (cpp_PREFIX_len): Likewise.
3263         (cpp_EXEC_PREFIX): New variable.
3264         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3265         * c-incpath.c (add_standard_paths): Correct logic for relocating
3266         paths within prefix.
3267
3268 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3269
3270         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3271         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3272         mode macro.
3273         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3274         fix_truncdfdi_sse using SSEMODEF mode macro.
3275         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3276         fix_truncdfsi_sse using SSEMODEF mode macro.
3277         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3278         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3279
3280 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3281
3282         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3283         elfos.h to tm_file.
3284
3285 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3286
3287         * tree.h : Add multiple_of_p declaration.
3288         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3289         * ipa-type-escape.c (results_of_malloc): Redundant.
3290         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3291         (cast_type): Extended with new members.
3292         (check_cast): Returns cast_type.
3293         (cast): New structure for data of walk_use_def_chains.
3294         (is_malloc_result, is_cast_from_non_pointer_1,
3295         is_cast_from_non_pointer,
3296         is_array_access_through_pointer_and_index): New functions.
3297         (look_for_casts): Returns cast types.
3298         (check_call): Returns void.
3299         (okay_pointer_operation): Use support of pointer plus index,
3300         pointer plus constant and allow all multiplications.
3301
3302 2007-03-11  Richard Guenther  <rguenther@suse.de>
3303
3304         PR tree-optimization/31115
3305         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3306         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3307         A shift count of zero is not special as with *_DIV_EXPR.
3308         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3309         direction.
3310
3311 2007-03-11  Ian Lance Taylor  <iant@google.com>
3312
3313         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3314         the *_DIV_EXPR codes correctly with overflow infinities.
3315
3316 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3317
3318         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3319         indicate success/failure of the analysis. Add negation to subtrahend
3320         in case of subtraction. Fail if both operands contain constants.
3321         (create_data_ref): Fail if analyze_offset fails.
3322
3323 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3324
3325         * config/i386/i386.md (frndintxf2): Rename to ...
3326         (rintxf2): ... this. Remove expander having same name.
3327         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3328         (roundsf2, rounddf2): Ditto.
3329         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3330         (lround<mode>di2, lround<mode>si2): Ditto.
3331
3332 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3333
3334         * lower-subreg.c: Include except.h.
3335         (decompose_multiword_subregs): Verify that the only control flow
3336         insns we can split are loads to multi-words pseudos.
3337         Handle breaking such blocks after splitting, instead of calling
3338         find_many_sub_basic_blocks.
3339
3340         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3341         on the new basic block.  Add a lengthy comment explaining why we
3342         thought this was necessary.
3343         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3344
3345 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3346
3347         PR c++/30924
3348         * tree.c (walk_type_fields): Recurse into the element type of
3349         ARRAY_TYPEs if there is a pointer set.
3350
3351 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3352
3353         * c-common.c (warn_logical_operator): Fix condition.
3354
3355 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3356
3357         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3358         quotation mark.
3359         * config/darwin.c (machopic_select_section): Remove superfluous
3360         argument in call to categorize_decl_for_section.  Remove unused
3361         variable shlib.
3362
3363 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3364
3365         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3366         defined.
3367         * configure: Regenerate.
3368
3369 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
3370
3371         PR target/31101
3372         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3373         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3374         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3375         Add LABEL_NUSES to emitted label.
3376         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3377         branch probability value to emitted jump insn.
3378         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3379         Do not check life information and do not re-arrange input operands
3380         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3381
3382 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3383
3384         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3385         the change of decode_asm_operands.
3386
3387 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3388
3389         * mode-switching.c (create_pre_exit): Skip blockage insn.
3390
3391 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
3392
3393         * tree-pass.h (TODO_update_smt_usage): Remove.
3394         Update all users.
3395         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3396         argument SOME.
3397         Update all users.
3398
3399 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3400
3401         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3402         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3403         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
3404         SOM target.
3405
3406 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
3407
3408         * gcc.c: Document %{, in big comment at top.
3409         (input_suffix_matches): Remove special handling for .s and
3410         .S.
3411         (input_spec_matches): New.
3412         (handle_braces): Handle %{,.
3413         (validate_switches): ',' indicates a value which is not a switch.
3414         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3415         to detect assembler input.
3416         * config/i386/sol2.h (CPP_SPEC): Likewise.
3417         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3418         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3419         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3420         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3421         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3422         -m64 causes deployment target to default to 10.5.
3423         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3424
3425 2007-03-09  Richard Henderson  <rth@redhat.com>
3426
3427         PR target/26090
3428         * target.h (targetm.asm.out.reloc_rw_mask): New.
3429         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3430         (TARGET_ASM_OUT): Use it.
3431         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3432         * varasm.c (categorize_decl_for_section): Remove shlib argument;
3433         use the new reloc_rw_mask target hook instead.
3434         (default_section_type_flags_1): Merge into...
3435         (default_section_type_flags): ... here.
3436         (decl_readonly_section_1): Merge into...
3437         (decl_readonly_section): ... here.
3438         (default_elf_select_section_1): Merge into...
3439         (default_elf_select_section): ... here.
3440         (default_unique_section_1): Merge into...
3441         (default_unique_section): ... here.
3442         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3443         (default_select_rtx_section): Use it.
3444         (default_elf_select_rtx_section): Likewise.
3445         * output.h: Update to match.
3446         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3447         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3448         (TARGET_ASM_RELOC_RW_MASK): New.
3449         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3450         to categorize_decl_for_section.
3451         (x86_64_elf_unique_section): Likewise.
3452         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3453         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3454         (TARGET_ASM_RELOC_RW_MASK): New.
3455         * config/ia64/ia64.c (ia64_rwreloc_select_section,
3456         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3457         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3458         (TARGET_RWRELOC): Remove.
3459         (ia64_section_type_flags): Adjust call to default_section_type_flags.
3460         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3461         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3462         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3463         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3464         (rs6000_xcoff_select_section): Use decl_readonly_section.
3465         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3466         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3467         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3468         (TARGET_SECTION_TYPE_FLAGS): Remove.
3469         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3470
3471 2007-03-09  Roger Sayle  <roger@eyesopen.com>
3472
3473         * fold-const.c (fold_comparison): Remove compile-time evaluation of
3474         complex constant equality/inequality comparisons for here.
3475         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3476         known at compile-time or can be simplified to a scalar comparison.
3477         (fold_relational_const): Move compile-time evaluation of complex
3478         constant equality/inequality comparisons to here.
3479
3480 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3481
3482         PR rtl-optimization/30643
3483         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3484         dest_addr_elt.
3485         (fold_rtx): Recurse, like before 2006-11-03.
3486
3487 2007-03-09  DJ Delorie  <dj@redhat.com>
3488
3489         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3490         m32c-pragma.o.
3491
3492 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
3493
3494         PR tree-optimization/30375
3495         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3496         LHS of statements is not the same.
3497         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3498
3499 2007-03-09  Chao-ying Fu  <fu@mips.com>
3500
3501         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3502         REV 2.
3503         * doc/invoke.texi (-mdspr2): Document new option.
3504         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3505         New unspec for DSP REV 2.
3506         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3507         these instructions are extended in DSP REV 2.
3508         (mips-dspr2.md): Include.
3509         * config/mips/mips.opt (mdspr2): New option.
3510         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3511         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3512         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3513         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3514         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3515         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
3516         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3517         and 2 builtins.
3518         (bdesc_map): Add one field of unsupported_target_flags.
3519         (bdesc_arrays):  Update entries to have extra fields.  Add
3520         dsp_32only_bdesc.
3521         (mips_init_builtins): Initialize new function types.
3522         Check unsupported_target_fileds to filter out builtins.
3523         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3524         TARGET_DSPR2.
3525         (ASM_SPEC): Pass mdspr2 to the assembler.
3526         * config/mips/mips-dspr2.md: New file.
3527
3528 2007-03-09  Sa Liu  <saliu@de.ibm.com>
3529
3530         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3531
3532 2007-03-09  Ian Lance Taylor  <iant@google.com>
3533
3534         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3535         argument) like -Wstrict-overflow=2.
3536         * doc/invoke.texi (Warning Options): Update documentation.
3537
3538 2007-03-09  Dirk Mueller  <dmueller@suse.de>
3539
3540         PR c++/17946
3541         * doc/invoke.texi (-Wlogical-op): Document.
3542         * common.opt (-Wlogical-op): New.
3543         * c-common.h (warn_logical_operator): Declare.
3544         * c-common.c (warn_logical_operator): Define.
3545         * c-typeck.c (parser_build_binary_op): Call
3546         warn_logical_operator.
3547
3548 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3549
3550         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3551         * final.c (final_scan_insn): Test for non-"" file name.
3552
3553 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
3554
3555         * doc/loop.texi: Document the Omega linear constraints solver.
3556         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3557         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3558         omega-hash-table-size, omega-max-keys, and
3559         omega-eliminate-redundant-constraints.
3560         * tree-pass.h (pass_check_data_deps): Declared.
3561         * omega.c: New.
3562         * omega.h: New.
3563         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3564         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3565         pass_check_data_deps): New.
3566         * tree-data-ref.c (init_data_ref): Remove declaration.
3567         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3568         (analyze_array): Renamed init_array_ref, move up initializations.
3569         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
3570         Removed arguments that are set to NULL.
3571         (analyze_indirect_ref): Correct indentation, correct call to
3572         init_pointer_ref.
3573         (object_analysis): Call init_array_ref instead of analyze_array.
3574         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3575         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3576         of DR_ACCESS_FNS_ADDR.
3577         (init_omega_eq_with_af, omega_extract_distance_vectors,
3578         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3579         ddr_consistent_p): New.
3580         (compute_affine_dependence): Check consistency of ddrs when
3581         flag_check_data_deps is passed.
3582         (analyze_all_data_dependences): Uncomment.
3583         (tree_check_data_deps): New.
3584         * tree-data-ref.h: Include omega.h.
3585         (DR_ACCESS_FNS_ADDR): Removed.
3586         (data_dependence_relation): Add inner_loop.
3587         (DDR_INNER_LOOP): New.
3588         * common.opt (fcheck-data-deps): New.
3589         * tree-flow.h (tree_check_data_deps): Declare.
3590         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3591         (OBJS-common): Depend on omega.o.
3592         (omega.o): Define.
3593         * passes.c (pass_check_data_deps): Scheduled.
3594         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3595         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3596         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3597         PARAM_VECT_MAX_VERSION_CHECKS,
3598         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3599
3600 2007-03-09  Richard Guenther  <rguenther@suse.de>
3601
3602         PR tree-optimization/30904
3603         PR middle-end/31058
3604         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3605         the same way as *_DIV_EXPR.
3606
3607 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3608
3609         * recog.c (decode_asm_operands): No mixed declarations and code.
3610
3611 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3612
3613         * rtl.def (ASM_INPUT): Add location.
3614         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3615         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3616         (decode_asm_operands): Add loc operand.
3617         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3618         * stmt.c (expand_asm): Rename to...
3619         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3620         gen_rtx_ASM_INPUT_loc.
3621         (expand_asm_expr): Adjust.
3622         * recog.c (decode_asm_operands): Add loc operand.
3623         (check_asm_operands, extract_insn): Adjust.
3624         * reload1.c (maybe_fix_stack_asms): Likewise.
3625         * final.c (asm_insn_count): Likewise.
3626         (final_scan_insn): Output # line before and after asm.
3627
3628 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3629
3630         * tree-ssa-structalias.c (variable_info): Remove
3631         finished_solution.
3632         (new_var_info): Ditto.
3633         (shared_bitmap_info_t): New structure.
3634         (shared_bitmap_table): New variable.
3635         (shared_bitmap_hash): New function.
3636         (shared_bitmap_eq): Ditto
3637         (shared_bitmap_lookup): Ditto.
3638         (shared_bitmap_add): Ditto.
3639         (merge_smts_into): Change to take bitmap directly.
3640         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3641         (init_alias_vars): Init shared bitmap hashtable.
3642         (delete_points_to_sets): Delete shared bitmap hashtable.
3643         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3644         is_aliased removal as a change that was still necessary was
3645         deleted.
3646
3647 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3648
3649         * config/i386/i386.h (override_options): Conditionally disable
3650         x86_sahf for 64bit targets only.
3651
3652 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3653
3654         PR C/31072
3655         * c-decl.c (merge_decls): Don't call make_var_volatile.
3656         * varasm.c (make_var_volatile): Remove.
3657         * output.h (make_var_volatile): Remove.
3658
3659 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3660
3661         PR tree-optimization/31085
3662         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3663
3664 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3665
3666         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3667         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3668         ATTR_CONST_NOTHROW_LIST.
3669
3670         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3671         FIX_TRUNC_EXPR.
3672
3673 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3674
3675         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3676
3677 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3678
3679         PR 31013
3680         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3681         is declared.
3682         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3683         passed, use shared libgcc.
3684
3685 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3686
3687         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3688         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3689         (honor_protect_cleanup_actions, lower_try_finally_switch):
3690         Likewise.
3691         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3692         ifc_temp_var): Likewise.
3693         * tree-inline.c (setup_one_parameter): Likewise.
3694         * tree-mudflap.c (mf_decl_cache_locals,
3695         mf_build_check_statement_for): Likewise.
3696         * tree-nested.c (init_tmp_var, save_tmp_var,
3697         finalize_nesting_tree_1): Likewise.
3698         * tree-outof-ssa.c (insert_copy_on_edge,
3699         insert_backedge_copies): Likewise.
3700         * tree-profile.c (tree_gen_edge_profiler,
3701         tree_gen_ic_profiler): Likewise.
3702         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3703         * tree-sra.c (sra_build_assignment): Likewise.
3704         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3705         * tree-ssa-math-opts.c (insert_reciprocals,
3706         execute_cse_sincos_1): Likewise.
3707         * tree-tailcall.c (adjust_accumulator_values,
3708         adjust_return_value): Likewise.
3709         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3710         * tree-vect-transform.c (vect_create_data_ref_ptr,
3711         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3712         vect_create_epilog_for_reduction, vectorizable_reduction,
3713         vectorizable_call, vectorizable_conversion,
3714         vectorizable_assignment, vectorizable_operation,
3715         vectorizable_type_demotion, vect_gen_widened_results_half,
3716         vect_permute_store_chain, vectorizable_store,
3717         vect_setup_realignment, vect_permute_load_chain,
3718         vectorizable_load, vectorizable_condition,
3719         vect_create_cond_for_align_checks): Likewise.
3720         * tree-vrp.c (build_assert_expr_for): Likewise.
3721
3722 2007-03-08  Ian Lance Taylor  <iant@google.com>
3723
3724         * tree-vrp.c: Include "intl.h".
3725         (usable_range_p): New static function.
3726         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3727         overflowed values, juts set *strict_overflow_p.
3728         (compare_values): Only return -2 if one of the operands is not a
3729         constant.
3730         (compare_ranges): Call usable_range_p.
3731         (compare_range_with_value): Likewise.
3732         (vrp_evaluate_conditional_warnv): Rename from
3733         vrp_evaluate_conditional.  Make static.  Change all callers.
3734         (vrp_evaluate_conditional): New function.
3735         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3736         on signed overflow.
3737         (simplify_abs_using_ranges): Likewise.
3738         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3739         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3740         within_stmt parameter.
3741         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3742         vrp_evaluate_conditional.
3743         * tree-ssa-threadedge.c
3744         (record_temporary_equivalences_from_stmts_at_dest): Change
3745         simplify parameter to take a second tree parameter.
3746         (simplify_control_stmt_condition): Likewise.
3747         (thread_across_edge): Likewise.
3748         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3749         (thread_across_edge): Likewise.
3750         * Makefile.in (tree-vrp.o): Depend upon intl.h.
3751
3752 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3753
3754         * config/i386/i386.h (TARGET_SAHF): New define.
3755         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3756         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3757         (x86_sahf): New global variable.
3758         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3759         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3760         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3761         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3762         for 64-bit.
3763         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3764         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3765         when expanding fcomi/sahf based tests.
3766         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3767         expanding sahf based alternative. Emit sahf based sequence when
3768         optimizing for code size.
3769         * config/i386/i386.md (x86_sahf_1): Do not disable for
3770         TARGET_64BIT, enable for TARGET_SAHF.
3771
3772 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3773
3774         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3775         spurious whitespace from error message.
3776
3777 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3778
3779         PR c++/30852
3780         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3781
3782 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3783
3784         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3785         bitfields.
3786         * tree-sra.c (instantiate_element): Propagate disabled warnings
3787         from the element itself to the created variable.
3788
3789 2007-03-07  Richard Henderson  <rth@redhat.com>
3790
3791         PR target/30848
3792         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3793         silently fix up the stack in the case of a missing register.
3794
3795 2007-03-07  Paul Brook  <paul@codesourcery.com>
3796
3797         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3798
3799 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3800
3801         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3802         New.
3803         (phase1_vrs): Use them.
3804         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3805         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3806         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3807         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3808         __gnu_Unwind_Restore_WMMXC if required.
3809         (_Unwind_VRS_Pop): Implement iWMMXt support.
3810         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3811         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3812         gnu_Unwind_Save_WMMXC): Define.
3813
3814 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3815
3816         * config/vxworks.h (vxworks_override_options): Declare.
3817         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3818         * config/vxworks.c: Include target.h and toplev.h.
3819         (vxworks_override_options): New function.
3820         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3821
3822 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3823
3824         * config/s390/s390.c (override_options): Don't emit an error when
3825         -mstack-size is used without providing -mstack-guard.
3826         (s390_emit_prologue): Choose stack_guard value automatically if not
3827         provided via command line.
3828         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3829
3830 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3831
3832         * config/i386/i386.c (output_set_got): Add a GOT initialization
3833         sequence for VxWorks PIC.
3834         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3835         around labels as well as symbols.  Use gotoff_operand instead
3836         of local_symbolic_operand.
3837         (legitimize_pic_address): Use gotoff_operand instead of
3838         local_symbolic_operand.  Use @GOT accesses for labels as
3839         well as symbols.
3840         (ix86_output_addr_diff_elt): Use PC-relative rather than
3841         GP-relative offsets for VxWorks PIC.
3842         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3843         no_new_pseudos.  Check whether the returned register is op0.
3844         * config/i386/i386.md (tablejump): Use PC-relative rather than
3845         GP-relative offsets for VxWorks PIC.
3846         * config/i386/predicates.md (gotoff_operand): New predicate.
3847
3848 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3849
3850         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3851         before defining.
3852         * config/vxworks-dummy.h: New file.
3853         * config/i386/i386.h: Include it.
3854
3855 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3856
3857         * dwarf2out.c (is_inlined_entry_point): New
3858         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3859         DW_AT_ranges if the first subblock is the entry point.
3860
3861 2007-03-06  David Daney  <ddaney@avtrex.com>
3862
3863         * doc/install.texi (mips-*-*): Change recommended binutils
3864         version.
3865
3866 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3867
3868         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3869         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3870         devices.
3871         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3872         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3873
3874 2007-03-06  Jan Hubicka  <jh@suse.cz>
3875
3876         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3877         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3878         are hot.
3879         (probably_cold_bb_p): Cold functions are cold.
3880         (probably_never_executed_bb_p): Cold functions are cold.
3881         (tree_bb_level_predictions): Predict calls to cold functions as not
3882         taken.
3883         (compute_function_frequency): Check hot/cold attributes.
3884         * function.h (function_frequency): Update comments.
3885         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3886         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3887         (c_common_att): Add cold and hot.
3888
3889         * doc/extend.texi (hot,cold attributes): Document.
3890
3891 2007-03-06  Andrew Haley  <aph@redhat.com>
3892
3893         * function.c (expand_function_end): Move blockage to just after we
3894         emit the label for the naked return from the function.
3895
3896 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3897
3898         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3899         before redefining.
3900
3901 2007-03-06  Jan Hubicka  <jh@suse.cz>
3902
3903         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3904         loaded for constant large models.  Non-large 64bit PIC can do.
3905         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3906         * cmodel.h: Add LARGE PIC.
3907         * i386.md (UNSPEC_PLTOFF): New.
3908         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3909         needed.
3910         (*call_1_rex64): Disable for large models.
3911         (*call_1_rex64_large): New.
3912         (*call_value_1_rex64): Disable for large models.
3913         (*call_value_1_rex64_large): New.
3914         (set_rip_rex4): New.
3915         (set_got_offset_rex64): New.
3916         * predicates.md (constant_call_address_operand): For large model
3917         constant calls are not possible.
3918         * i386-protos.h (construct_plt_address): Declare.
3919         * i386.c (override_options): Accept large models.
3920         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3921         (legitimate_constant_p): Add new UNSPECs.
3922         (legitimate_pic_operand_p): Likewise.
3923         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3924         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3925         non-large model.
3926         (output_pic_addr_const): Add PLTOFF.
3927         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3928         (ix86_expand_move): Legitimize pic address when in PIC mode.
3929         (construct_plt_address): New function.
3930         (ix86_expand_call): Offload the address to register and use GOT pointer
3931         for large model.
3932         * invoke.texi (mcmodel=large): Update documentation.
3933
3934 2007-03-06  Richard Henderson  <rth@redhat.com>
3935
3936         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3937         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3938         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3939         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3940         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3941         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3942         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3943         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3944         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3945         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3946         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3947         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3948         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3949         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3950         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3951         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3952         x86_schedule, x86_use_bt, x86_pad_returns,
3953         x86_use_xchgb): Merge into ...
3954         (ix86_tune_features): ... here.  New array.
3955         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3956         x86_bswap): Merge into ...
3957         (ix86_arch_features): ... here.  New array.
3958         (x86_3dnow_a): Remove.
3959         (x86_accumulate_outgoing_args): Make static.
3960         (x86_arch_always_fancy_math_387): Make static.
3961         (ix86_tune_mask, ix86_arch_mask): Move ...
3962         (override_options): ... to local variables here.  Apply the
3963         appropriate mask to each element of ix86_arch_features and
3964         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3965         as were done in the old macros.
3966         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3967         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3968         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3969         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3970         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3971         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3972         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3973         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3974         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3975         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3976         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3977         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3978         x86_accumulate_outgoing_args, x86_prologue_using_move,
3979         x86_epilogue_using_move, x86_decompose_lea,
3980         x86_arch_always_fancy_math_387, x86_shift1,
3981         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3982         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3983         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3984         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3985         x86_use_incdec, x86_pad_returns, x86_bswap,
3986         x86_partial_flag_reg_stall): Remove.
3987         (enum ix86_tune_indices): New.
3988         (ix86_tune_features): New.
3989         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3990         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3991         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3992         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3993         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3994         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3995         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3996         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3997         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3998         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3999         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4000         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4001         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4002         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4003         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4004         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4005         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4006         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4007         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4008         TARGET_EXT_80387_CONSTANTS): Use it.
4009         (enum ix86_arch_indices): New.
4010         (ix86_arch_features): New.
4011         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4012         TARGET_BSWAP): Use it.
4013         (ix86_tune_mask, ix86_arch_mask): Remove.
4014
4015 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4016
4017         PR bootstrap/31020
4018         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4019         Define using $${sysroot_headers_suffix}.
4020         * configure: Regenerate.
4021         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4022         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4023         defined.
4024         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4025         * gcc.c (print_sysroot_headers_suffix): New.
4026         (option_map): Include --print-sysroot-headers-suffix.
4027         (display_help): Mention -print-sysroot-headers-suffix.
4028         (process_command): Handle -print-sysroot-headers-suffix.
4029         (do_spec_1): Append multilib directory to include-fixed path if
4030         sysroot suffixes in use.
4031         (main): Handle -print-sysroot-headers-suffix.
4032         * Makefile.in (start.encap): Don't depend on xlimits.h
4033         (xlimits.h): Remove.
4034         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4035         limits.h for each multilib in fixinc_list.
4036         (fixinc_list, s-fixinc_list): New.
4037         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4038         generate them for each multilib in fixinc_list.
4039         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4040         multilib in fixinc_list.
4041         (mostlyclean): Don't remove xlimits.h.
4042         (clean): Remove include-fixed.
4043         (real-install-headers-tar, real-install-headers-cpio,
4044         real-install-headers-cp): Don't copy include, only include-fixed.
4045         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4046         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4047         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4048         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4049
4050 2007-03-06  Jan Hubicka  <jh@suse.cz>
4051
4052         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4053         NANs easilly.
4054
4055 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4056
4057         * configure.ac: Allow tm_file to contain build-directory files.
4058         * configure: Regenerate.
4059         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4060         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4061         * config/m68k/print-sysroot-suffix.sh: New file.
4062
4063 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4064
4065         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4066         of pic_offset_table_rtx if reload_completed.
4067         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4068         PIC_OFFSET_TABLE_REGNUM.
4069         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4070         return true.
4071         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4072         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4073
4074 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4075
4076         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4077         functions that call eh_return.
4078
4079 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4080
4081         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4082         functions that need a constant pool.
4083
4084 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4085
4086         PR target/28181
4087         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4088         (m68k_preferred_reload_class): Likewise.
4089         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4090         (SECONDARY_RELOAD_CLASS): Define.
4091         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4092         (LIMIT_RELOAD_CLASS): Delete.
4093         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4094         registers from storing bytes.
4095         (m68k_secondary_reload_class): New function.
4096         (m68k_preferred_reload_class): Likewise.
4097
4098 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4099
4100         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4101         leaf functions.
4102         (m68k_expand_prologue): Likewise.
4103
4104 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4105
4106         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4107         (mips_expand_epilogue): Add a bool parameter.
4108         (m68k_legitimize_sibcall_address): Declare.
4109         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4110         (m68k_expand_epilogue): Add a parameter to select between sibling
4111         and normal epilogues.  Only generate a return for the latter.
4112         (m68k_ok_for_sibcall_p): New function.
4113         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4114         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4115         (sibcall_value, *sibcall_value): Likewise.
4116         (*call, *call_value): Require !SIBLING_CALL_P.
4117         (epilogue): Update call to m68k_expand_epilogue.
4118         (sibcall_epilogue): New pattern.
4119         * config/m68k/predicates.md (const_call_operand): Say that this
4120         predicate applies to sibling calls too.
4121         (sibcall_operand): New predicate.
4122
4123 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4124
4125         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4126         alternatives as movsi_cf.
4127         (movsf_cf_hard): Add commentary.
4128
4129 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4130             Richard Sandiford  <richard@codesourcery.com>
4131
4132         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4133         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4134         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4135         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4136         as being live on exit from an interrupt function.
4137         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4138         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4139         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4140         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4141         (m68k_interrupt_function_p): Globalize.
4142         (m68k_compute_frame_layout): Remove reverse mask code.
4143         (m68k_emit_movem, m68k_set_frame_related): New functions.
4144         (m68k_output_function_prologue): Delete in favor of...
4145         (m68k_expand_prologue): ...this new function.
4146         (m68k_output_function_epilogue): Delete in favor of...
4147         (m68k_expand_epilogue): ...this new function.
4148         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4149         functions.
4150         (print_operand): Handle %?.
4151         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4152         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4153         (prologue, epilogue): New patterns.
4154         (return): Turn into a define_expand.
4155         (*return): New pattern, derived from old "return" pattern.  Use rte
4156         rather than rts for interrupt functions.  Only use rtd if the pop
4157         count is nonzero.
4158         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4159         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4160         (link, *link, unlink, *unlink, load_got): Likewise.
4161
4162 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4163
4164         PR target/23482
4165         PR target/17114
4166         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4167         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4168         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4169         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4170         and m68k_matches_u_p.
4171         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4172         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4173         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4174         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4175         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4176         (REG_STRICT_P): New macro.
4177         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4178         PCREL_GENERAL_OPERAND_OK.
4179         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4180         m68k_legitimate_base_reg_p.
4181         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4182         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4183         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4184         * config/m68k/m68k.c (m68k_address): New structure.
4185         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4186         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4187         (m68k_jump_table_ref_p, m68k_decompose_address)
4188         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4189         (m68k_matches_u_p): New functions.
4190         (print_operand_address): Rewrite to use m68k_decompose_index.
4191
4192 2007-03-05  David Taylor  <dtaylor@emc.com>
4193
4194         * gcc.c: Correct copyright date in --version output.
4195
4196 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4197
4198         * pa.md: In unamed move patterns, disparge copies between general
4199         and floating point registers using '?' modifier.  Don't include 'f'
4200         constraint for register preferences in DImode, SImode, HImode and
4201         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4202         Remove constraints for copies between general and floating registers
4203         in soft-float DFmode pattern.
4204         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4205         floating register.
4206         (movsf): Likewise.
4207
4208 2007-03-05  Mike Stump  <mrs@apple.com>
4209
4210         * c-common.c (targetcm): Add.
4211         * c-opts.c (c_common_handle_option): Handle language specific
4212         target options.
4213         * opts.c (handle_option): Verify language for target options, if
4214         any are given.
4215         * opth-gen.awk: Add CL_LANG_ALL.
4216         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4217         (TARGETCM_INITIALIZER): Add.
4218         * target.h (struct gcc_targetcm): Add.
4219         (targetcm): Add.
4220         * targhooks.c (default_handle_c_option): Add.
4221         * targhooks.h (default_handle_c_option): Add.
4222         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4223
4224         * config/darwin.opt (iframework): Add.
4225         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4226         * config/darwin-c.c (handle_c_option): Add.
4227         (TARGET_HANDLE_C_OPTION): Add.
4228         (targetcm): Add.
4229         * doc/invoke.texi (Darwin Options): Add -iframework.
4230
4231 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4232
4233         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4234         conversion.
4235
4236 2007-03-05  Ian Lance Taylor  <iant@google.com>
4237
4238         * c.opt (fgnu89-inline): New option.
4239         * c-opts.c (c_common_post_options): Set default value for
4240         flag_gnu89_inline.
4241         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4242         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4243         inline functions.
4244         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4245         (grokdeclarator, start_function): Likewise.
4246         * c-cppbuiltin.c (c_cpp_builtins): Define either
4247         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4248         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4249         (C Dialect Options): Document -fgnu89-inline.
4250         * doc/extend.texi (Function Attributes): Explain what the
4251         gnu_inline attribute does.
4252         * doc/cpp.texi (Common Predefined Macros): Document
4253         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4254
4255 2007-03-05  Ian Lance Taylor  <iant@google.com>
4256
4257         PR tree-optimization/31034
4258         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4259         half-range if the other side is an overflow infinity.
4260
4261 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4262
4263         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4264         (bfin*-linux-uclibc*): New configuration.
4265         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4266         defining.
4267         * config/bfin/linux.h: New file.
4268         * config/bfin/libgcc-bfin.ver: New file.
4269         * config/bfin/t-bfin-uclinux: New file.
4270         * config/bfin/t-bfin-linux: New file.
4271         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4272         (TARGET_OS_CPP_BUILTINS): New macro.
4273
4274 2007-03-05  Richard Guenther  <rguenther@suse.de>
4275
4276         * fold-const.c (fold_binary): Remove duplicate folding
4277         of comparison of non-null ADDR_EXPR against null.
4278
4279 2007-03-05  Richard Guenther  <rguenther@suse.de>
4280             Dorit Nuzman  <dorit@il.ibm.com>
4281
4282         PR tree-optimization/26420
4283         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4284         are no loops in the function.  Only print the number of
4285         vectorized loops if it is greater than zero or we are supposed
4286         to print information about unvectorized loops.
4287
4288 2007-03-05  Revital Eres  <eres@il.ibm.com>
4289
4290         * gcc.dg/var-expand1.c: New test.
4291         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4292         when an accumulator is expanded.
4293
4294 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4295
4296         PR other/30465
4297         * c-common.c (convert_and_check): Don't give warnings for
4298         conversion if 'expr' already overflowed.
4299
4300 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4301
4302         PR middle-end/30744
4303         * fold-const.c (fold_comparison): Enforce type consistency when
4304         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4305
4306 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4307
4308         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4309         containing a cast to the base of TARGET_MEM_REF.
4310
4311 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4312
4313         * tree.c (tree_contains_struct_check_failed): Remove spurious
4314         whitespace from error message.
4315
4316 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4317
4318         PR target/30406
4319         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4320         instead of precision.
4321
4322 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4323             Nathan Sidwell  <nathan@codesourcery.com>
4324
4325         * emit-rtl.c (find_auto_inc): New.
4326         (try_split): recreate REG_INC notes,
4327         Use regular for loops rather than whiles.
4328
4329 2007-03-03  Andreas Schwab  <schwab@suse.de>
4330
4331         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4332         * configure: Regenerate.
4333
4334 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4335
4336         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4337         flag_rounding_math, not flag_unsafe_math_optimizations.
4338
4339         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4340         fold_build2.
4341         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4342         alpha_fold_vector_minmax): Likewise.
4343         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4344         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4345
4346 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4347
4348         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4349         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4350         if the lhs has side-effects.
4351         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4352
4353 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4354
4355         * config/i386/i386.h (TUNEMASK): Remove define.
4356         (ARCHMASK): Remove define.
4357         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4358          Use ix86_arch_mask variable instead of ARCHMASK.
4359         * config/i386/i386.c (override_options): Ditto.
4360         (standard_80387_constant_p): Ditto.
4361
4362 2007-03-02  Ian Lance Taylor  <iant@google.com>
4363
4364         Used signed infinities in VRP.
4365         * tree-vrp.c (uses_overflow_infinity): New static function.
4366         (supports_overflow_infinity): New static function.
4367         (make_overflow_infinity): New static function.
4368         (negative_overflow_infinity): New static function.
4369         (positive_overflow_infinity): New static function.
4370         (is_negative_overflow_infinity): New static function.
4371         (is_positive_overflow_infinity): New static function.
4372         (is_overflow_infinity): New static function.
4373         (overflow_infinity_range_p): New static function.
4374         (compare_values_warnv): New function split out of compare_values.
4375         (compare_value): Call it.
4376         (set_value_range_to_nonnegative): Add overflow_infinity
4377         parameter.  Change caller.
4378         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4379         Change callers.
4380         (vrp_expr_computes_nonzero): Likewise.
4381         (compare_ranges, compare_range_with_value): Likewise.
4382         (compare_name_with_value, compare_names): Likewise.
4383         (vrp_evaluate_conditional): Likewise.
4384         (set_value_range): Handle infinity
4385         (vrp_operand_equal_p, operand_less_p): Likewise.
4386         (extract_range_from_assert): Likewise.
4387         (vrp_int_const_binop): Likewise.
4388         (extract_range_from_binary_expr): Likewise.
4389         (extract_range_from_unary_expr): Likewise.
4390         (extract_range_from_comparison): Likewise.
4391         (extract_range_from_expr): Likewise.
4392         (dump_value_range): Likewise.
4393         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4394         (test_for_singularity): Likewise.
4395         (vrp_int_const_binop): Remove inline qualifier.
4396         (adjust_range_with_scev): Add comment.
4397         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4398
4399 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
4400
4401         * tree-ssa-structalias.c (could_have_pointers): Tidy.
4402         (get_constraint_for): Likewise.
4403         (do_structure_copy): Likewise.
4404         (find_func_aliases): Fix references to MODIFY_EXPR.
4405         (intra_create_variable_infos): Tidy.
4406         * tree-ssa-operands.c (add_virtual_operand): Add argument
4407         IS_CALL_SITE.
4408         When adding members of alias sets, if IS_CALL_SITE is true and
4409         the symbol is not call-clobbered, skip it.
4410         Adjust all callers.
4411
4412 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4413
4414         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4415         entry by means of emit_insn_at_entry.
4416
4417 2007-03-02  Richard Henderson  <rth@redhat.com>
4418
4419         * expr.h (promoted_input_arg): Remove decl.
4420         * function.c (promoted_input_arg): Merge into ...
4421         * combine.c (setup_incoming_promotions): ... only caller.
4422         Rearrange to avoid double loop.
4423
4424 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4425             Peter Bergner  <bergner@vnet.ibm.com>
4426             Janis Johnson  <janis187@us.ibm.com>
4427
4428         * config/rs6000/dfp.md: New file.
4429         * config/rs6000/rs6000.md: Include dfp.md.
4430         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4431         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4432         and TDmode decimal float modes in FP registers.
4433         (num_insns_constant): Likewise.
4434         (rs6000_legitimate_offset_address_p): Likewise.
4435         (rs6000_legitimize_address): Likewise.
4436         (rs6000_legitimize_reload_address): Likewise.
4437         (rs6000_legitimate_address): Likewise.
4438         (rs6000_emit_move): Likewise.
4439         (function_arg_boundary): Likewise.
4440         (function_arg_advance): Likewise.
4441         (rs6000_darwin64_record_arg_recurse): Likewise.
4442         (function_arg): Likewise.
4443         (rs6000_gimplify_va_arg): Likewise.
4444         (rs6000_split_multireg_move): Likewise.
4445         (rs6000_output_function_epilogue): Likewise.
4446         (rs6000_output_function_epilogue): Likewise.
4447         (rs6000_register_move_cost): Likewise.
4448         (rs6000_function_value): Likewise.
4449         (rs6000_libcall_value): Likewise.
4450
4451 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4452
4453         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4454
4455 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4456
4457         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4458         Use $MULTIDIR to choose between the kernel and RTP headers,
4459         and use $WIND_BASE and $WIND_USR to locate them.
4460
4461 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4462
4463         * config/i386/i386.c (override_options): Put initialization of
4464         ix86_tune_mask and ix86_arch_mask to the correct place.
4465
4466 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4467             Michael Meissner  <michael.meissner@amd.com>
4468
4469         PR target/31019
4470         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4471         (ARCHMASK): Define.
4472         (TARGET_CMOVE): Use ARCHMASK.
4473         (TARGET_CMPXCHG): Ditto.
4474         (TARGET_CMPXCHG8B): Ditto.
4475         (TARGET_XADD): Ditto.
4476         (TARGET_BSWAP): Ditto.
4477         * config/i386/i386.c (ix86_tune_mask): New global variable.
4478         (ix86_arch_mask): Ditto.
4479         (override_options): Initialize ix86_tune_mask and
4480         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4481         target_flags.
4482
4483 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4484
4485         PR 30992
4486         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4487
4488 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
4489
4490         * target.h (init_dwarf_reg_sizes_extra): New target hook.
4491         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4492         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4493         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4494         hook.
4495         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4496         rs6000_init_dwarf_reg_sizes_extra): New.
4497         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4498         SPE register high parts.
4499
4500 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
4501
4502         * Makefile.in: Add install-pdf target as
4503         copied from automake v1.10 rules.
4504         * configure.ac: Add install-pdf to target list.
4505         * configure: Regenerate.
4506
4507 2007-03-01  Paul Brook  <paul@codesourcery.com>
4508
4509         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4510         modes to LDRD for DImode.
4511         (output_move_double): Fixup out of range ldrd/strd.
4512         (vfp_secondary_reload_class): Rename...
4513         (coproc_secondary_reload_class): ... to this.  Add wb argument.
4514         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4515         coproc_secondary_reload_class for CLASS_IWMMXT.
4516         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4517         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4518
4519 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4520
4521         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4522         factor by the estimated number of iterations.
4523         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4524         prefetch latency.
4525
4526         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4527         decode_caches_intel, detect_caches_intel): New functions.
4528         (host_detect_local_cpu): Use detect_caches_amd and
4529         detect_caches_intel.
4530
4531 2007-03-01  Richard Henderson  <rth@redhat.com>
4532
4533         * expr.c (emit_move_complex_push): Export.
4534         (emit_move_complex_parts): Split out from ...
4535         (emit_move_complex): ... here.
4536         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4537         * config/i386/i386.md (movcdi): New.
4538
4539 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
4540
4541         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4542         size of mode1 to check for tieable modes in MMX case.
4543
4544 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
4545
4546         * Makefile.in (rtlanal.o): Depend on tree.h.
4547         * rtl.h (offset_within_section_p, split_const): Declare.
4548         * rtlanal.c: Include tree.h.
4549         (offset_within_block_p): New function, taken from
4550         mips_offset_within_object_p.
4551         (split_const): New function, taken from mips_split_const.
4552         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4553         Declare.
4554         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4555         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4556         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4557         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4558         (m68k_illegitimate_symbolic_constant_p): New function.
4559         * config/m68k/m68k.md (movsi): Remove misleading predicates.
4560         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4561         symbolic constant that might be outside the symbol's section,
4562         move the symbol first and then add the offset.
4563         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4564         Override.
4565         * config/mips/mips.c (mips_split_const): Delete.
4566         (mips_offset_within_object_p): Delete.
4567         (mips_symbolic_constant_p): Use offset_within_section_p and
4568         split_const instead of mips_offset_within_object_p and
4569         mips_split_const.
4570         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4571         (mips_legitimize_const_move, print_operand_reloc)
4572         (mips_dangerous_for_la25_p): Use split_const instead of
4573         mips_split_const.
4574
4575 2007-02-28  Eric Christopher  <echristo@apple.com>
4576
4577         * Makefile.in (install-include-dir): Don't rm -rf include.
4578
4579 2007-02-28  Richard Guenther  <rguenther@suse.de>
4580
4581         PR middle-end/30364
4582         * fold-const.c (fold_binary): Do not associate expressions
4583         with more than one variable for integer types that do not wrap.
4584
4585 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4586
4587         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4588         Delete, and replace with...
4589         (fold_builtin_call_array): This.  Update callers to use it.
4590         * fold-const.c (fold_build_call_list): Delete, and replace with...
4591         (fold_build_call_array): This.
4592         (fold_build_call_list_initializer): Delete, and replace with...
4593         (fold_build_call_array_initializer): This.
4594         * tree.h: Update declarations to reflect above changes.
4595
4596         * c-typeck.c (build_function_call): Store converted arguments
4597         in a stack-allocated array instead of building a list.
4598         (convert_arguments): Store arguments in the array passed in as an
4599         argument, and return the actual number of arguments.
4600         * c-format.c: (check_function_format): Pass arguments in an
4601         array instead of a list.
4602         * c-common.c (check_function_nonnull): Likewise.
4603         (check_function_sentinel): Likewise.
4604         (check_function_arguments): Likewise.
4605         * c-common.h: Update declarations to reflect above changes.
4606
4607 2007-02-28  Jan Hubicka  <jh@suse.cz>
4608
4609         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4610         PRED_NEGATIVE_RETURN): Update outcomes.
4611
4612 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4613
4614         * calls.c (emit_library_call_value_1): Handle partial registers
4615         correctly when building up CALL_INSN_FUNCTION_USAGE.
4616
4617 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4618
4619         * pa/predicates.md (move_src_operand): Allow zero for mode.
4620         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4621         move pattern.
4622
4623 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4624
4625         PR target/30970
4626         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4627         *movv2df_internal): Enable pattern only for valid operand
4628         combinations.
4629         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4630         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4631
4632 2007-02-27  Mike Stump  <mrs@apple.com>
4633
4634         * config/darwin-crt3.c: Avoid compilation when compiling for a
4635         kext multilib.
4636
4637 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4638
4639         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4640         FIXED_INCLUDE_DIR.
4641         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4642         for fixed headers and limits.h.
4643         (install-include-dir, install-headers-tar, install-headers-cpio,
4644         install-headers-cp, real-install-headers-tar,
4645         real-install-headers-cpio, real-install-headers-cp): Handle
4646         include-fixed as well as include.
4647         (install-mkheaders): Don't install files that go only in include
4648         not include-fixed.
4649         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4650         from GCC_INCLUDE_DIR.
4651         * gcc.c (process_command): Remove special -BstageN/ handling.
4652         (do_spec_1): Add include-fixed directories.
4653
4654 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4655
4656         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4657         _smulsi3_highpart.
4658         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4659         New functions.
4660         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4661         patterns.
4662
4663 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4664
4665         * c-common.c (get_priority): Add check for
4666         SUPPORTS_INIT_PRIORITY.
4667
4668 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4669
4670         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4671
4672         * config/bfin/bfin.c: Include "cfglayout.h".
4673         (MAX_LSETUP_DISTANCE): New macro.
4674         (struct loop_info): New members incoming, incoming_src and
4675         incoming_dest.  Delete member predecessor.
4676         (length_for_loop): New function.
4677         (bfin_optimize_loop): Handle more different loop structures.
4678         (bfin_discover_loop): Rework detection of predecessor blocks by
4679         examining incoming edges.
4680         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4681         bfin_reorg_loops.
4682         (bfin_reorder_loops): New function.
4683         (bfin_reorg_loops): Use these three new functions.
4684
4685         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4686         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4687         (CONSTRAINT_LEN): Add entry for 'q'.
4688         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4689         Add 'q' constraints.
4690         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4691         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4692
4693         * config/bfin/bfin.md (add_with_carry): New pattern.
4694         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4695         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4696         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4697         support unsigned multiplies too.  Removed incorrect commutativity from
4698         operand 1 constraint where appropriate.
4699         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4700         patterns.
4701         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4702         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4703         New patterns.
4704         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4705         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4706         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4707         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4708         usmulhisi_hh_huh): New patterns.
4709
4710         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4711         lshifthi3): Fix output template to use half reg for operand 2.
4712
4713         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4714         instead of R2.
4715
4716         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4717
4718 2007-02-27  Andreas Schwab  <schwab@suse.de>
4719
4720         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4721
4722 2007-02-27  Jan Hubicka  <jh@suse.cz>
4723
4724         * predict.c (last_basic_block_p): Remove.
4725         (tree_estimate_probability): Update return heuristic for commonized
4726         return blocks.
4727
4728 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4729
4730         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4731
4732 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4733
4734         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4735         * doc/cpp.texi: Standardize title page.
4736         * doc/cppinternals.texi: Likewise.
4737         * doc/gcc.texi: Standardize title page, remove version number
4738         from copyright page.
4739         * doc/gccint.texi: Likewise.
4740         * doc/install.texi: Standardize title page, add table of
4741         contents.
4742
4743 2007-02-26  Jan Hubicka  <jh@suse.cz>
4744
4745         * predict.def: Set outcomes according to more recent results.
4746         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4747         Remove dead predictors.
4748         * predict.c (return_prediction): Fix pasto.
4749
4750 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4751
4752         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4753         change; avoid a memory leak when returning early.
4754
4755 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4756
4757         * c-decl.c (static_ctors): Move to c-common.c.
4758         (static_dtors): Likewise.
4759         (finish_function): Use c_record_cdtor_fn.
4760         (build_cdtor): Move to c-common.c.
4761         (c_write_global_declarations): Use c_build_cdtor_fns.
4762         * c-common.h (static_ctors): Declare.
4763         (static_dtors): Likewise.
4764         (c_record_cdtor_fn): Likewise.
4765         (c_build_cdtor_fns): Likewise.
4766         * c-common.c (static_ctors): New variable.
4767         (static_dtors): Likewise.
4768         (c_record_cdtor_fn): New function.
4769         (build_cdtor): Move from c-decl.c
4770         (c_build_cdtor_fns): New function.
4771
4772         * output.h (assemble_addr_to_section): Declare.
4773         (get_cdtor_priority_section): Likewise.
4774         * varasm.c (assemble_addr_to_section): New function.
4775         (get_cdtor_priority_section): Likewise.
4776         (default_named_section_asm_out_destructor): Use them.
4777         (destor_dtor_section_asm_out_destructor): Likewise.
4778         (default_named_section_asm_out_constructor): Likewise.
4779         (default_ctor_section_asm_out_constructor): Likewise.
4780         * config.gcc (*-*-vxworks*): Include vxworks.o.
4781         * config/t-vxworks (vxworks.o): New target.
4782         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4783         (TARGET_ASM_CONSTRUCTOR): Define.
4784         (TARGET_ASM_DESTRUCTOR): Likewise.
4785         (vxworks_asm_out_constructor): Declare.
4786         (vxworks_asm_out_destructor): Likewise.
4787
4788         * c-common.c (get_priority): Check that we have not just an
4789         INTEGER_CST, but an integer constant with integeral type.
4790
4791 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4792
4793         PR tree-optimization/30938
4794         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4795         use &dt[nargs-1] instead of &dt[nargs] in the call to
4796         vect_is_simple_use().
4797
4798 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4799
4800         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4801         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4802         Do not attempt to handle MEM inside auto-inc expressions.
4803         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4804         of a register modified by an auto-inc expression.  However, do handle
4805         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4806         (elimination_effects): Prohibit elimination of a register modified
4807         by an auto-inc expression.  Disable register elimination rules whose
4808         target register is modified by an auto-inc expression with variable
4809         increment.
4810
4811 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4812
4813         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4814         off-by-one error.
4815         (array_at_struct_end_p): New function.
4816         (idx_infer_loop_bounds): Use it.
4817         (estimate_numbers_of_iterations_loop): Export.
4818         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4819         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4820         (tree_estimate_probability): Call record_loop_exits.
4821         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4822         (estimated_loop_iterations, estimated_loop_iterations_int,
4823         estimated_loop_iterations_tree): New functions.
4824         (analyze_siv_subscript_cst_affine,
4825         compute_overlap_steps_for_affine_1_2,
4826         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4827         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4828         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4829         (PRED_LOOP_ITERATIONS_GUESSED): New.
4830         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4831         * cfgloop.h (estimate_numbers_of_iterations_loop,
4832         estimated_loop_iterations_int): Declare.
4833
4834 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4835
4836         * doc/extend.texi: Document optional priority argument to
4837         constructors and destructors.
4838         * tree.c (init_priority_for_decl): Adjust GTY markers.
4839         (init_ttree): Use priority-info hash functions for
4840         init_priority_for_decl.
4841         (tree_map_eq): Rename to ...
4842         (tree_map_base_eq): ... this.
4843         (tree_map_marked_p): Rename to ...
4844         (tree_map_base_marked_p): ... this.
4845         (tree_map_base_hash): New function.
4846         (decl_init_priority_lookup): Rework.
4847         (decl_fini_priority_lookup): New function.
4848         (decl_priority_info): New function.
4849         (decl_init_priority_insert): Use it.
4850         (decl_fini_priority_insert): Likewise.
4851         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4852         hierarchy.
4853         (decl_restrict_base_insert): Likewise.
4854         (decl_debug_expr_insert): Likewise.
4855         (decl_value_expr_lookup): Likewise.
4856         (decl_value_expr_insert): Likewise.
4857         * tree.h (priority_type): New type.
4858         (decl_init_priority_lookup): Use priority_type.
4859         (decl_fini_priority_lookup): New function.
4860         (decl_init_priority_insert): Use priority_type.
4861         (decl_fini_priority_insert): New function.
4862         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4863         (DECL_INIT_PRIORITY): Likewise.
4864         (SET_DECL_INIT_PRIORITY): Add comment.
4865         (DECL_FINI_PRIORITY): New macro.
4866         (SET_DECL_FINI_PRIORITY): Likewise.
4867         (DEFAULT_INIT_PRIORITY): Document.
4868         (MAX_INIT_PRIORITY): Likewise.
4869         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4870         (tree_map_base): New type.
4871         (tree_map_base_eq): New function.
4872         (tree_map_base_hash): Likewise.
4873         (tree_map_base_marked_p): Likewise.
4874         (tree_map): Inherit from tree_map_base.
4875         (tree_map_eq): Make it a macro.
4876         (tree_map_marked_p): Likewise.
4877         (tree_int_map): Inherit from tree_map_base.
4878         (tree_int_map_eq): Make it a macro.
4879         (tree_int_map_hash): Likewise.
4880         (tree_int_map_marked_p): Likewise.
4881         (tree_priority_map): New type.
4882         (tree_priority_map_eq): New macro.
4883         (tree_priority_map_hash): Likewise.
4884         (tree_priority_map_marked_p): Likewise.
4885         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4886         hierarchy.
4887         (emutls_common_1): Likewise.
4888         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4889         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4890         of tree_map hierarchy.
4891         * tree-cfg.c (move_stmt_r): Likewise.
4892         (new_label_mapper): Likewise.
4893         * c-tree.h (c_expand_body): Move to ...
4894         * c-common.h (c_expand_body): ... here.
4895         * c-decl.c (c_expand_body): Move to ...
4896         * c-common.c (c_expand_body): ... here.
4897         (c_common_attribute_table): Allow 1 argument for the constructor
4898         and destructor attributes.
4899         (get_priority): New function.
4900         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4901         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4902
4903 2007-02-24  Jan Hubicka  <jh@suse.cz>
4904
4905         PR middle-end/30509
4906         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4907
4908 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4909             Jan Hubicka  <jh@suse.cz>
4910
4911         PR target/30778
4912         * i386.c (counter_mode): New function.
4913         (expand_set_or_movmem_via_loop): Use it.
4914         (expand_movmem_epilogue): Likewise; fix pasto.
4915         (ix86_expand_movmem): Do emit guard even for constant counts.
4916         (ix86_expand_setmem): Likewise.
4917
4918 2007-02-25  Nick Clifton  <nickc@redhat.com>
4919
4920         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4921         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4922
4923 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4924
4925         PR target/30770
4926         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4927         count argument with 0x10, not with 0x16.
4928         (expand_setmem_epilogue): Ditto.
4929
4930 2007-02-24  Mike Stump  <mrs@apple.com>
4931
4932         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4933         symbols.
4934
4935 2007-02-24  Richard Guenther  <rguenther@suse.de>
4936
4937         PR middle-end/30951
4938         * fold-const.c (fold_binary): Fold x +- CST op x for
4939         EQ_EXPR and NE_EXPR.
4940
4941 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4942
4943         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4944
4945 2007-02-24  Jan Hubicka  <jh@suse.cz>
4946
4947         * cgraphunit.c (decide_is_function_needed): Honor
4948         -fkeep-inline-functions.
4949
4950 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4951
4952         * builtins.c (fold_builtin_modf): New.
4953         (fold_builtin_2): Use it.
4954
4955 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4956
4957         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4958         (determine_max_iter): Take additional LOOP arg; all callers changed.
4959         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4960         one using simplifications.
4961         (simplify_using_initial_values): Return if the expression becomes
4962         invalid due to altered regs.
4963
4964 2007-02-23  DJ Delorie  <dj@redhat.com>
4965
4966         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4967
4968 2007-02-23  Mike Stump  <mrs@apple.com>
4969
4970         * tlink.c (scan_linker_output): Parse linker messages from
4971         darwin9's linker better.
4972
4973 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4974
4975         PR debug/29614
4976         * varpool.c (varpool_assemble_pending_decls):  Set
4977         varpool_last_needed_node to null.
4978
4979 2007-02-23  DJ Delorie  <dj@redhat.com>
4980
4981         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4982         alignment bigger than the object file can handle.
4983
4984 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4985
4986         PR target/30825
4987         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4988         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4989         (*movsf_1): Penalize MMX moves.
4990
4991 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4992
4993         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4994         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4995
4996         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4997
4998 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4999
5000         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5001         (fold_builtin_1): Use them.
5002         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5003         BUILT_IN_SIGNIFICAND.
5004
5005 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5006
5007         * config/i386/i386.c (bdesc_1arg): Initialize
5008         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5009         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5010         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5011         and IX86_BUILTIN_MOVSLDUP.
5012
5013 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5014
5015         PR rtl-optimization/30841
5016         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5017
5018 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5019
5020         * builtins.c (fold_builtin_frexp): New.
5021         (fold_builtin_2): Use it.
5022
5023 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5024
5025         * doc/invoke.texi (Spec Files): Document getenv spec function.
5026
5027         * gcc.c (getenv_spec_function): New function.
5028         (static_spec_functions): Add it.
5029         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5030         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5031         header files.
5032
5033 2007-02-22  Michael Matz  <matz@suse.de
5034
5035         PR c++/29433
5036         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5037         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5038
5039 2007-02-22  Ian Lance Taylor  <iant@google.com>
5040
5041         PR debug/30898
5042         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5043         (mem_loc_descriptor): Call it.
5044
5045 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5046             Ira Rosen  <irar@il.ibm.com>
5047
5048         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5049
5050 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5051
5052         PR tree-optimization/30843
5053         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5054         stores only after all the group is vectorized.
5055
5056 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5057
5058         PR tree-optimization/30858
5059         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5060         in the reduction cycle have a single use in the loop.
5061         * tree-vectorizer.h (relevant): Add documentation.
5062
5063 2007-02-20  Mike Stump  <mrs@apple.com>
5064
5065         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5066         * configure: Regenerate.
5067
5068 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5069
5070         Change the defaults of some parameters and options.
5071         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5072         * config/spu/spu.c (spu_optimization_options): Add.
5073         (spu_override_options): Change params in spu_optimization_options.
5074         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5075
5076         Register 127 is only 16 byte aligned when used as a frame pointer.
5077         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5078         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5079         HARD_FRAME_POINTER_REGNUM.
5080         (spu_legitimate_address):  Use regno_aligned_for_reload.
5081         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5082         aligned when frame_pointer_needed is true.
5083         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5084         to 8 bits.
5085         * config/spu/spu.h (INIT_EXPANDERS): Define.
5086
5087         Make sure shift and rotate instructions have valid immediate operands.
5088         * config/spu/predicates.md (spu_shift_operand): Remove.
5089         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5090         * config/spu/constraints.md (W, O): Extend range.
5091         * config/spu/spu.md (umask, nmask): Define.
5092         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5093         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5094         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5095         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5096         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5097         (lshr<mode>3_reg):  Fix rtl description.
5098
5099         Make sure mulhisi immediate operands are valid.
5100         * config/spu/predicates.md (imm_K_operand): Add.
5101         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5102
5103         Generate constants using fsmbi and andi.
5104         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5105         (print_operand, spu_split_immediate, classify_immediate,
5106         fsmbi_const_p): Handle IC_FSMBI2.
5107
5108         Correctly handle a CONST_VECTOR containing symbols.
5109         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5110         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5111         (immediate_load_p): Allow symbols that use 2 instructions to create.
5112         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5113         with symbols when flag_pic is set.
5114         (const_vector_immediate_p): New.
5115         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5116         accept a CONST_VECTOR with symbols.
5117         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5118         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5119         correctly.
5120         * config/spu/spu.md (high, low): Delete.
5121         (low_<mode>): Define.
5122
5123         Remove INTRmode and INTR_REGNUM, which didn't work.
5124         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5125         of INTR_REGNUM.
5126         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5127         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5128         peephole2 pattern): Don't use INTR or 131.
5129         (movintrcc): Delete.
5130         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5131         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5132         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5133         (UNSPEC_SET_INTR): Add.
5134         * config/spu/spu-modes.def (INTR): Remove.
5135
5136         More accurate warnings about run-time relocations.
5137         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5138
5139         Correctly warn about immediate arguments to specific intrinsics.
5140         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5141         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5142         the instruction predicate.
5143
5144         Fix tree check errors with latest update.
5145         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5146         CALL_EXPR_ARG.
5147         (spu_expand_builtin): Use CALL_EXPR_FN.
5148
5149         Add missing specific intrinsics.
5150         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5151         si_bislede.
5152         * config/spu/spu_internals.h: Ditto.
5153
5154         Fix incorrect operand modifiers.
5155         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5156         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5157
5158         Optimize one case of zero_extend of a vec_select.
5159         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5160
5161         Accept any immediate for hbr.
5162         * config/spu/spu.md (hbr):  Change s constraints to i.
5163
5164 2007-02-21  Paul Brook  <paul@codesourcery.com>
5165
5166         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5167         condexec_count when skipping USE and CLOBBER.
5168
5169 2007-02-21  Nick Clifton  <nickc@redhat.com>
5170
5171         * common.opt (Warray-bounds): Add Warning attribute.
5172         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5173         Likewise.
5174         (fsized-zeroes): Add Optimization attribute.
5175         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5176         * c.opt (Wc++0x-compat): Add Warning attribute.
5177
5178 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5179
5180         PR middle-end/30761
5181         * reload1.c (eliminate_regs_in_insn): In the single_set special
5182         case, attempt to re-recognize the insn before falling back to
5183         having reload fix it up.
5184
5185 2007-02-20  Eric Christopher  <echristo@gmail.com>
5186
5187         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5188         Rewrite accordingly.
5189         (frv_read_iacc_argument): Ditto.
5190         (frv_expand_set_builtin): Take a call instead of arglist, update for
5191         above changes.
5192         (frv_expand_unop_builtin): Ditto.
5193         (frv_expand_binop_builtin): Ditto.
5194         (frv_expand_cut_builtin): Ditto.
5195         (frv_expand_binopimm_builtin): Ditto.
5196         (frv_expand_voidbinop_builtin): Ditto.
5197         (frv_expand_int_void2arg): Ditto.
5198         (frv_expand_prefetches): Ditto.
5199         (frv_expand_voidtriop_builtin): Ditto.
5200         (frv_expand_voidaccop_builtin): Ditto.
5201         (frv_expand_load_builtin): Ditto.
5202         (frv_expand_store_builtin): Ditto.
5203         (frv_expand_mdpackh_builtin): Ditto.
5204         (frv_expand_mclracc_builtin): Ditto.
5205         (frv_expand_mrdacc_builtin): Ditto.
5206         (frv_expand_mwtacc_builtin): Ditto.
5207         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5208         calls for above.
5209
5210 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5211
5212         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5213         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5214         cmpb instruction.
5215         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5216         point instructions.
5217         * configure: Regenerate.
5218         * config.in: Regenerate.
5219         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5220         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5221         masks to power6 and power6x and to POWERPC_MASKS.
5222         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5223         _ARCH_PWR6.
5224         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5225         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5226         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5227         Access PROTOTYPE as variable, not mask.
5228
5229 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5230
5231         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5232         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5233         * combine.c (adjust_for_new_dest): Use it.
5234         * postreload.c (reload_combine): Likewise.
5235
5236 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5237
5238         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5239         notes on an insn with multiple sets, even if single_set returns
5240         non-NULL for that insn.
5241
5242 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5243
5244         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5245         scalbn and scalbln.
5246
5247 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5248
5249         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5250         if user didn't pass it.
5251         * config/i386/darwin.h (CC1_SPEC): Likewise.
5252         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5253         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5254         -mmacosx-version-min.
5255
5256 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5257             Uros Bizjak  <ubizjak@gmail.com>
5258
5259         * optabs.h (enum optab_index): Add new OTI_scalb.
5260         (scalb_optab): Define corresponding macro.
5261         * optabs.c (init_optabs): Initialize scalb_optab.
5262         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5263         patterns.
5264         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5265         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5266         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5267         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5268         flag_unsafe_math_optimizations is set.
5269
5270         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5271         to implement scalbf, scalb and scalbl built-ins as inline x87
5272         intrinsics.
5273
5274 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5275             DJ Delorie <dj@redhat.com>
5276
5277         PR other/30824
5278         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5279         (diagnostic_report_diagnostic): ... here, and turn them into real
5280         errors. If warnings are inhibited, no need to do anything.
5281
5282 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5283
5284         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5285         better code generation.
5286
5287 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5288
5289         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5290
5291 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5292
5293         * config/alpha/alpha.c, config/alpha/alpha.md,
5294         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5295         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5296         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5297         config/arm/lib1funcs.asm: Follow spelling conventions.
5298
5299         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5300         config/fr30/fr30.md, config/i386/i386.h,
5301         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5302         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5303         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5304         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5305         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5306         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5307         config/sparc/sparc.c, config/sparc/sparc.h,
5308         config/sparc/sparc.md, config/spu/constraints.md,
5309         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5310         conventions.
5311
5312 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5313
5314         PR target/29943
5315         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5316         alias attribute.
5317
5318 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5319
5320         * doc/invoke.texi (-ftree-lrs): Remove.
5321
5322 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5323
5324         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5325         NULL.
5326
5327 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5328
5329         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5330         new CALL_EXPR_FN macro for retrieving the function
5331         declaration of the input expression.
5332
5333 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5334
5335         * c.opt (Waddress): New.
5336         * common.opt (Walways-true): Delete.
5337         (Wstring-literal-comparison): Delete.
5338         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5339         -Wstring-literal-comparison. Add -Waddress.
5340         (Waddress): New.
5341         (Walways-true): Delete.
5342         (Wstring-literal-comparison): Delete.
5343         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5344         consistently instead of -Walways-true in example.
5345         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5346         * c-typeck.c (parser_build_binary_op): Replace
5347         -Wstring-literal-comparison and -Walways-true with -Waddress.
5348         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5349         with -Waddress.
5350
5351 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5352
5353         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5354         without DECL_STRUCT_FUNCTION initialized.
5355
5356 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5357
5358         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5359         due to calls to functions taking pointers as parameters.
5360
5361 2007-02-19  Richard Henderson  <rth@redhat.com>
5362
5363         PR debug/29558
5364         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5365         in memory.
5366
5367 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5368
5369         * config/s390/s390.c (s390_call_saved_register_used,
5370         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5371         accessed to the new scheme.
5372
5373 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5374
5375         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5376         (cris_print_index, cris_print_operand, cris_print_operand_address)
5377         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5378         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5379         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5380         GET_CODE () == xxx.
5381         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5382         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5383         GO_IF_LEGITIMATE_ADDRESS): Ditto.
5384         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5385         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5386         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5387         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5388         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5389         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5390         (uminsi3, call, call_value): Ditto.
5391         (define_split: indir_to_reg_split, unnamed): Ditto.
5392
5393 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
5394
5395         PR tree-optimization/30975
5396         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5397         wrong assert.
5398
5399 2007-02-18  Eric Christopher  <echristo@gmail.com>
5400
5401         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5402         Remove use of arglist.
5403         (mips_expand_builtin): Remove use of arglist, pass in expr.
5404         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5405         (mips_expand_builtin_movtf): Ditto.
5406         (mips_expand_builtin_compare): Ditto.
5407
5408 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5409
5410         * tree-sra.c (sra_build_assignment): Replace assertion
5411         checking with a comment explaining why it can't be done.
5412
5413 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5414
5415         PR middle-end/30833
5416         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5417         during CALL_EXPR representation conversion.
5418         * tree-ssa-propagate.c (set_rhs): Likewise.
5419
5420 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5421
5422         * tree-sra.c (sra_build_assignment): Disable assertion checking
5423         for now.
5424
5425 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5426
5427         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5428         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5429         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5430         Likewise.
5431         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5432         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
5433         gimplify_init_ctor_eval_range, gimple_push_cleanup,
5434         gimplify_omp_for, gimplify_omp_atomic_pipeline,
5435         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5436         force_gimple_operand): Likewise.
5437         * ipa-cp.c (constant_val_insert): Likewise.
5438         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5439         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5440         perfect_nestify): Likewise.
5441         * langhooks.c (lhd_omp_assignment): Likewise.
5442         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5443         lower_copyprivate_clauses, lower_send_clauses,
5444         lower_send_shared_vars, expand_parallel_call,
5445         expand_omp_for_generic, expand_omp_for_static_nochunk,
5446         expand_omp_for_static_chunk, expand_omp_sections,
5447         lower_omp_single_copy, lower_omp_for_lastprivate,
5448         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5449         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5450         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5451         Likewise.
5452
5453 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5454
5455         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5456         config/sh/sh.md: Follow spelling conventions.
5457
5458         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5459         config/frv/predicates.md: Follow spelling conventions.
5460
5461         * config/m68k/linux-unwind.h: Fix a comment typo.
5462         * target.h: Follow spelling conventions.
5463
5464 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5465
5466         PR rtl-optimization/28173
5467         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
5468         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5469         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5470         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5471         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5472
5473 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5474
5475         * builtins.c (fold_builtin_load_exponent): New.
5476         (fold_builtin_2): Use it.
5477
5478 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
5479
5480         PR rtl-optimization/30773
5481         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5482         if we fail to attach a REG_EQUIV note.
5483
5484 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
5485             Roger Sayle  <roger@eyesopen.com>
5486
5487         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5488
5489 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5490
5491         * calls.c (initialize_argument_information): Pass original EXP
5492         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
5493         code to split complex arguments here, as part of initializing the
5494         ARGS array.
5495         (expand_call): Remove code that builds a list of arguments and
5496         inserts implicit arguments into it.  Instead, just count how many
5497         implicit arguments there will be so we can determine the size of
5498         the ARGS array, and let initialize_argument_information do the work.
5499         (split_complex_values): Delete unused function.
5500
5501 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5502
5503         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5504
5505 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5506
5507         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5508         for arg pointer based indexed addressing.
5509
5510 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5511
5512         * config/ia64/ia64.h, config/ia64/ia64.md,
5513         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5514         spelling conventions.
5515
5516 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5517
5518         * config/m68k/m68k.c (split_di): New.
5519         * config/m68k/m68k-protos.h: Declare split_di.
5520         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5521           Improve predicate handling and split constant shifts.
5522
5523 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5524
5525         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5526         parameter for register bitfield operations, general predicates
5527         cleanup
5528
5529 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5530
5531         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5532         * config/m68k/linux-unwind.h: New file.
5533
5534 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5535
5536         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5537         config/i386/athlon.md, config/ia64/ia64.md,
5538         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5539         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5540         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5541         tree-ssa-loop-niter.c, tree-vect-analyze.c,
5542         tree-vect-transform.c: Fix comment typos.
5543
5544 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
5545
5546         * sched-deps.c (find_insn_list): Remove.
5547         * sched-int.h: Remove the prototype for find_insn_list.
5548
5549 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
5550
5551         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5552         to linker.
5553         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5554         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5555         darwin_rs6000_override_options.
5556         (C_COMMON_OVERRIDE_OPTIONS): Expect
5557         darwin_macosx_version_min to be non-NULL always.
5558         (TARGET_C99_FUNCTIONS): Likewise.
5559         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5560         (DARWIN_MINVERSION_SPEC): New.
5561         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5562         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5563         to cc1*.
5564         (DARWIN_MINVERSION_SPEC): New.
5565         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5566         value.
5567         * config/darwin-c.c (darwin_cpp_builtins): Expect
5568         darwin_macosx_version_min to be non-NULL always.
5569
5570         * config/rs6000/rs6000.c: Clean up trailing whitespace.
5571
5572 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
5573
5574         * config/i386/i386.h (x86_use_xchgb): New.
5575         (TARGET_USE_XCHGB): New macro.
5576         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5577         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5578         Split after reload into bswaphi for shifts of 8.
5579         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5580         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5581         or when optimizing for size.
5582
5583 2007-02-16  Richard Guenther  <rguenther@suse.de>
5584             Christian Bruel  <christian.bruel@st.com>
5585
5586         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5587         DECLs but prefer SSA_NAMEs over DECLs.
5588
5589 2007-02-16  Richard Guenther  <rguenther@suse.de>
5590
5591         * tree-flow-inline.h (single_imm_use_p): Remove.
5592         (zero_imm_uses_p): Likewise.
5593         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5594         instead of single_imm_use_p.
5595         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5596         zero_imm_uses_p.
5597
5598 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5599
5600         PR other/27843
5601         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5602         nested double- and backquotes.
5603
5604 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5605
5606         PR middle-end/30391
5607         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5608         should be unreachable.
5609         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5610         For the time being redirect GIMPLE_MODIFY_STMT to the new
5611         (renamed) build_gimple_modify_stmt_stat.
5612         (build2_gimple_stat): Rename to...
5613         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5614         Always build a GIMPLE_MODIFY_STMT node.
5615         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5616         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5617         declarations.
5618
5619         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5620         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5621         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5622         expand_complex_div_wide): Likewise.
5623         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5624         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5625         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5626         * tree-ssa-loop-manip.c (create_iv): Likewise.
5627         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5628         abs_replacement): Likewise.
5629         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5630         realify_fake_stores): Likewise.
5631
5632         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5633         node rather than a GIMPLE_MODIFY_STMT node.
5634         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5635         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5636         Likewise.
5637         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5638         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5639         GIMPLE_MODIFY_STMT.
5640
5641 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5642
5643         PR middle-end/30433
5644         * fold-const.c (fold_comparison): Add back the
5645         folding of constant complex comparisions.
5646
5647 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5648
5649         PR middle-end/30729
5650         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5651         effects unknown to this function, return early.
5652
5653 2007-02-15  Ian Lance Taylor  <iant@google.com>
5654
5655         * lower-subreg.c (move_eh_region_note): New static function.
5656         (resolve_simple_move): Call it.
5657         (decompose_multiword_subregs): Track blocks for which we resolve a
5658         simple move which is also a control flow insn.  Pass them to
5659         find_many_sub_basic_blocks.
5660         (pass_lower_subreg): Add TODO_verify_flow.
5661         (pass_lower_subreg2): Likewise.
5662
5663 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5664             Brooks Moses  <brooks.moses@codesourcery.com>
5665             Lee Millward  <lee.millward@codesourcery.com>
5666
5667         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5668         (VL_EXP_CLASS_P): New.
5669         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5670         TREE_CODE_LENGTH.
5671         (TREE_OPERAND_CHECK_CODE): Likewise.
5672         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5673         (TREE_RTL_OPERAND_CHECK): Likewise.
5674         (tree_operand_check_failed): Make second parameter the whole tree
5675         instead of its code.  Fixed callers.
5676         (VL_EXP_CHECK): New.
5677         (TREE_OPERAND_LENGTH): New.
5678         (VL_EXP_OPERAND_LENGTH): New.
5679         (CALL_EXPR_FN): New.
5680         (CALL_EXPR_STATIC_CHAIN): New.
5681         (CALL_EXPR_ARGS): New.
5682         (CALL_EXPR_ARG): New.
5683         (call_expr_nargs): New.
5684         (CALL_EXPR_ARGP): New.
5685         (build_nt_call_list): Declare.
5686         (build_vl_exp_stat): Declare.
5687         (build_vl_exp): New.
5688         (build_call_list): Declare.
5689         (build_call_nary): Declare.
5690         (build_call_valist): Declare.
5691         (build_call_array): Declare.
5692         (call_expr_arg): Declare.
5693         (call_expr_argp): Declare.
5694         (call_expr_arglist): Declare.
5695         (fold_build_call_list): Declare.
5696         (fold_build_call_list_initializer): Declare.
5697         (fold_call_expr): Declare to replace fold_builtin.
5698         (fold_builtin_fputs): Update to agree with modified definition.
5699         (fold_builtin_strcpy): Likewise.
5700         (fold_builtin_strncpy): Likewise.
5701         (fold_builtin_memory_chk): Likewise.
5702         (fold_builtin_stxcpy_chk): Likewise.
5703         (fold_builtin_strncpy_chk): Likewise.
5704         (fold_builtin_next_arg): Likewise.
5705         (fold_build_call_expr): Declare.
5706         (fold_builtin_call_list): Declare.
5707         (fold_builtin_call_valist): Declare.
5708         (build_call_expr): Declare.
5709         (validate_arglist): Update to agree with modified definition.
5710         (tree_operand_length): New.
5711         (call_expr_arg_iterator): New.
5712         (init_call_expr_arg_iterator): New.
5713         (next_call_expr_arg): New.
5714         (first_call_expr_arg): New.
5715         (more_call_expr_args_p): New.
5716         (FOR_EACH_CALL_EXPR_ARG): New.
5717
5718         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5719         and tcc_gimple_stmt.
5720         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5721         than sizeof (char *).
5722         (tree_size): Likewise.  Add case for tcc_vl_exp.
5723         (tree_node_structure): Add case for tcc_vl_exp.
5724         (contains_placeholder_p): Likewise.
5725         (substitute_in_expr): Likewise.
5726         (substitute_placeholder_in_expr): Likewise.
5727         (stabilize_reference_1): Likewise.
5728         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5729         to diagnose breakage of this interface for constructing CALL_EXPRs.
5730         (build_nt): Add similar assertion here.
5731         (build_nt_call_list): New.
5732         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5733         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5734         TREE_CODE_LENGTH.
5735         (get_callee_fndecl): Use new CALL_EXPR accessors.
5736         (tree_operand_check_failed): Change parameters to pass entire node
5737         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5738         (process_call_operands): New.
5739         (build_vl_exp_stat): New.
5740         (build_call_list): New.
5741         (build_call_nary): New.
5742         (build_call_valist): New.
5743         (build_call_array): New.
5744         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5745         (call_expr_arglist): New.
5746
5747         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5748         tcc_vl_exp instead of a fixed-size tcc_expression.
5749
5750         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5751         accessors for CALL_EXPRs.
5752         (AGGR_INIT_EXPR): Likewise.
5753
5754 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5755             Brooks Moses  <brooks.moses@codesourcery.com>
5756             Lee Millward  <lee.millward@codesourcery.com>
5757
5758         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5759         (expand_builtin_nonlocal_goto): Change parameter to be entire
5760         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5761         (expand_builtin_prefetch): Likewise.
5762         (expand_builtin_classify_type): Likewise.
5763         (mathfn_built_in): Return NULL_TREE instead of 0.
5764         (expand_errno_check): Use new CALL_EXPR accessors.
5765         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5766         Return NULL_RTX instead of 0.
5767         (expand_builtin_mathfn_2): Likewise.
5768         (expand_builtin_mathfn_3): Likewise.
5769         (expand_builtin_interclass_mathfn): Likewise.
5770         (expand_builtin_sincos): Likewise.
5771         (expand_builtin_cexpi): Likewise.
5772         (expand_builtin_int_roundingfn): Likewise.
5773         (expand_builtin_int_roundingfn_2): Likewise.
5774         (expand_builtin_pow): Likewise.
5775         (expand_builtin_powi): Likewise.
5776         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5777         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5778         accessors and constructors.  Return NULL_RTX instead of 0.
5779         (expand_builtin_strstr): Likewise.
5780         (expand_builtin_strchr): Likewise.
5781         (expand_builtin_strrchr): Likewise.
5782         (expand_builtin_strpbrk): Likewise.
5783         (expand_builtin_memcpy): Likewise.
5784         (expand_builtin_mempcpy): Likewise.
5785         (expand_builtin_mempcpy_args): New.
5786         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5787         (expand_builtin_memmove_args): New.
5788         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5789         (expand_movstr): Likewise.
5790         (expand_builtin_strcpy): Likewise.
5791         (expand_builtin_strcpy_args): New.
5792         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5793         (expand_builtin_strncpy): Likewise.
5794         (expand_builtin_memset): Likewise.
5795         (expand_builtin_memset_args): New.
5796         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5797         (expand_builtin_memcmp): Likewise.
5798         (expand_builtin_strcmp): Likewise.
5799         (expand_builtin_strncmp): Likewise.
5800         (expand_builtin_strcat): Likewise.
5801         (expand_builtin_strncat): Likewise.
5802         (expand_builtin_strspn): Likewise.
5803         (expand_builtin_strcspn): Likewise.
5804         (expand_builtin_args_info): Likewise.
5805         (expand_builtin_va_start): Likewise.
5806         (gimplify_va_arg_expr): Likewise.
5807         (expand_builtin_va_end): Likewise.
5808         (expand_builtin_va_copy): Likewise.
5809         (expand_builtin_frame_address): Likewise.
5810         (expand_builtin_alloca): Likewise.
5811         (expand_builtin_bswap): Likewise.
5812         (expand_builtin_unop): Likewise.
5813         (expand_builtin_fputs): Likewise.
5814         (expand_builtin_expect): Likewise.
5815         (expand_builtin_fabs): Likewise.
5816         (expand_builtin_copysign): Likewise.
5817         (expand_builtin_printf): Likewise.
5818         (expand_builtin_fprintf): Likewise.
5819         (expand_builtin_sprintf): Likewise.
5820         (expand_builtin_init_trampoline): Likewise.
5821         (expand_builtin_signbit): Likewise.
5822         (expand_builtin_fork_or_exec): Likewise.
5823         (expand_builtin_sync_operation): Likewise.
5824         (expand_builtin_compare_and_swap): Likewise.
5825         (expand_builtin_lock_test_and_set): Likewise.
5826         (expand_builtin_lock_release): Likewise.
5827         (expand_builtin): Likewise.
5828         (builtin_mathfn_code): Likewise.
5829
5830         (fold_builtin_constant_p): Pass call arguments individually instead
5831         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5832         accessors and constructors.  Return NULL_TREE instead of 0.
5833         (fold_builtin_expect): Likewise.
5834         (fold_builtin_classify_type): Likewise.
5835         (fold_builtin_strlen): Likewise.
5836         (fold_builtin_nan): Likewise.
5837         (integer_valued_real_p): Likewise.
5838         (fold_trunc_transparent_mathfn): Likewise.
5839         (fold_fixed_mathfn): Likewise.
5840         (fold_builtin_cabs): Likewise.
5841         (fold_builtin_sqrt): Likewise.
5842         (fold_builtin_cbrt): Likewise.
5843         (fold_builtin_cos): Likewise.
5844         (fold_builtin_cosh): Likewise.
5845         (fold_builtin_tan): Likewise.
5846         (fold_builtin_sincos): Likewise.
5847         (fold_builtin_cexp): Likewise.
5848         (fold_builtin_trunc): Likewise.
5849         (fold_builtin_floor): Likewise.
5850         (fold_builtin_ceil): Likewise.
5851         (fold_builtin_round): Likewise.
5852         (fold_builtin_int_roundingfn): Likewise.
5853         (fold_builtin_bitop): Likewise.
5854         (fold_builtin_bswap): Likewise.
5855         (fold_builtin_logarithm): Likewise.
5856         (fold_builtin_hypot): Likewise.
5857         (fold_builtin_pow): Likewise.
5858         (fold_builtin_powi): Likewise.
5859         (fold_builtin_exponent): Likewise.
5860         (fold_builtin_memset): Likewise.
5861         (fold_builtin_bzero): Likewise.
5862         (fold_builtin_memory_op): Likewise.
5863         (fold_builtin_bcopy): Deleted; call site changed to invoke
5864         fold_builtin_memory_op directly.
5865         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5866         (fold_builtin_strncpy): Likewise.
5867         (fold_builtin_memcmp): Likewise.
5868         (fold_builtin_strcmp): Likewise.
5869         (fold_builtin_strncmp): Likewise.
5870         (fold_builtin_signbit): Likewise.
5871         (fold_builtin_copysign): Likewise.
5872         (fold_builtin_isascii): Likewise.
5873         (fold_builtin_toascii): Likewise.
5874         (fold_builtin_isdigit): Likewise.
5875         (fold_builtin_fabs): Likewise.
5876         (fold_builtin_abs): Likewise.
5877         (fold_builtin_fmin_fmax): Likewise.
5878         (fold_builtin_carg): Likewise.
5879         (fold_builtin_classify): Likewise.
5880         (fold_builtin_unordered_cmp): Likewise.
5881
5882         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5883         New functions split out from fold_builtin_1.
5884         (fold_builtin_n): New.
5885         (fold_builtin_varargs): New.
5886         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5887         instead.
5888         (fold_call_expr): New.
5889         (build_function_call_expr): Rewrite to use new helper function.
5890         (fold_builtin_call_list): New.
5891         (build_call_expr): New.
5892         (fold_builtin_call_valist): New.
5893         (rewrite_call_expr): New.
5894         (validate_arg): New.
5895         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5896         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5897         accessors.
5898
5899         (fold_builtin_strstr):  Pass call arguments individually instead
5900         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5901         accessors and constructors.  Return NULL_TREE instead of 0.
5902         (fold_builtin_strchr): Likewise.
5903         (fold_builtin_strrchr): Likewise.
5904         (fold_builtin_strpbrk): Likewise.
5905         (fold_builtin_strcat): Likewise.
5906         (fold_builtin_strncat): Likewise.
5907         (fold_builtin_strspn): Likewise.
5908         (fold_builtin_strcspn): Likewise.
5909         (fold_builtin_fputs): Likewise.
5910         (fold_builtin_next_arg): Likewise.
5911         (fold_builtin_sprintf): Likewise.
5912
5913         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5914         NULL_RTX instead of 0.
5915         (expand_builtin_memory_chk): Likewise.
5916         (maybe_emit_chk_warning): Likewise.
5917         (maybe_emit_sprintf_chk_warning): Likewise.
5918
5919         (fold_builtin_object_size): Pass call arguments individually instead
5920         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5921         accessors and constructors.  Return NULL_TREE instead of 0.
5922         (fold_builtin_memory_chk): Likewise.
5923         (fold_builtin_stxcpy_chk): Likewise.
5924         (fold_builtin_strncpy_chk): Likewise.
5925         (fold_builtin_strcat_chk): Likewise.
5926         (fold_builtin_strcat_chk): Likewise.
5927         (fold_builtin_strncat_chk): Likewise.
5928         (fold_builtin_sprintf_chk): Likewise.
5929         (fold_builtin_snprintf_chk): Likewise.
5930         (fold_builtin_printf): Likewise.
5931         (fold_builtin_vprintf): Likewise.
5932
5933         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5934         constructors.
5935         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5936         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5937         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5938         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5939         (fold_unary): Likewise.
5940         (fold_binary): Likewise.
5941         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5942         ternary expressions.
5943         (fold): Add logic for tcc_vl_exp.
5944         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5945         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5946         (fold_build3_stat): Add assertion to flag broken interface for
5947         constructing CALL_EXPRs.
5948         (fold_build_call_list): New.
5949         (fold_build_call_list_initializer): New.
5950         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5951         constructors.
5952         (fold_strip_sign_ops): Likewise.
5953
5954 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5955             Brooks Moses  <brooks.moses@codesourcery.com>
5956             Lee Millward  <lee.millward@codesourcery.com>
5957
5958         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5959         accessors and dump arguments explicitly.
5960
5961         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5962         TREE_CODE_LENGTH.
5963         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5964         explicitly.
5965         (print_call_name): Use new CALL_EXPR accessors.
5966
5967         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5968         CALL_EXPR arguments explicitly instead of as a list.  Use
5969         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5970
5971         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5972         (vrp_visit_stmt): Likewise.
5973
5974         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5975         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5976         TREE_CODE_LENGTH.
5977         (force_move_till_expr): Likewise.
5978
5979         * targhooks.c (default_external_stack_protect_fail): Use
5980         build_call_expr instead of build_function_call_expr.
5981         (default_hidden_stack_protect_fail): Likewise.
5982
5983         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5984         build the call.
5985
5986         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5987         and walk arguments explicitly.
5988
5989         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5990         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5991         (expand_simple_operations): Likewise.
5992         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5993
5994         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5995         of TREE_CODE_LENGTH.
5996         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5997
5998         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5999         instead of TREE_CODE_LENGTH.
6000
6001         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6002         (tree_ic_transform): Likewise.
6003         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6004         parameter instead of arglist.  Fix callers.
6005         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6006         (tree_stringops_transform): Likewise.
6007         (tree_indirect_call_to_profile): Likewise.
6008         (tree_stringops_values_to_profile): Likewise.
6009
6010         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6011         (eliminate_tail_call): Likewise.
6012
6013         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6014
6015         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6016         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6017         operands.
6018         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6019
6020         * omp-low.c (build_omp_barrier): Use build_call_expr.
6021         (lower_rec_input_clauses): Likewise.
6022         (lower_reduction_clauses): Likewise.
6023         (expand_parallel_call): Likewise.
6024         (maybe_catch_exception): Likewise.
6025         (expand_omp_for_generic): Likewise.
6026         (expand_omp_for_static_nochunk): Likewise.
6027         (expand_omp_sections): Likewise.
6028         (lower_omp_single_simple): Likewise.
6029         (lower_omp_single_copy): Likewise.
6030         (lower_omp_master): Likewise.
6031         (lower_omp_ordered): Likewise.
6032         (lower_omp_critical): Likewise.
6033
6034         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6035         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6036
6037         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6038         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6039         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6040
6041         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6042         and generalize to handle any number of operands.
6043         (chrec_contains_undetermined): Likewise.
6044         (tree_contains_chrecs): Likewise.
6045         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6046
6047         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6048
6049         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6050         fold_call_expr instead of fold_builtin.
6051         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6052         match declarations there.
6053         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6054         updates.
6055
6056         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6057         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6058
6059         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6060         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6061
6062         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6063         accessors.
6064
6065         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6066         (execute_cse_sincos): Use new CALL_EXPR accessors.
6067
6068         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6069
6070         * gimple-low.c (lower_function_body): Use build_call_expr.
6071         (lower_builtin_setjmp): Likewise.
6072
6073         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6074         (set_storage_via_libcall): Likewise.
6075         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6076         instead of TREE_CODE_LENGTH.
6077         (expand_expr_real_1): Use new CALL_EXPR accessors.
6078
6079         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6080         generalize to handle any number of operands.
6081         (TB_parent_eq): Likewise.
6082
6083         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6084         (strip_builtin_expect): Likewise.
6085
6086         * function.c (gimplify_parameters): Use build_call_expr.
6087
6088         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6089         instead of TREE_CODE_LENGTH.
6090
6091         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6092         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6093
6094         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6095         iterators.
6096
6097         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6098         (gimplify_decl_expr): Likewise.
6099         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6100         Use new CALL_EXPR iterators.
6101         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6102         (gimplify_modify_expr_to_memset): Likewise.
6103         (gimplify_variable_sized_compare): Likewise.
6104         (gimplify_omp_atomic_fetch_op): Likewise.
6105         (gimplify_omp_atomic_pipeline): Likewise.
6106         (gimplify_omp_atomic_mutex): Likewise.
6107         (gimplify_function_tree): Likewise.
6108
6109         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6110         (call_expr_flags): Likewise.
6111         (expand_call): Likewise.
6112
6113         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6114         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6115         accessors.
6116
6117         * coverage.c (create_coverage): Use build_call_expr.
6118
6119         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6120         (temp_call_expr_obstack): New.
6121         (pool_copy_list): Delete.
6122         (temp_copy_call_expr): New.
6123         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6124         CALL_EXPR accessors.  Get rid of special goo for copying argument
6125         lists and use temp_copy_call_expr instead.
6126         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6127         CALL_EXPR accessors.
6128         (create_expression_by_pieces): Likewise.  Use build_call_array
6129         to construct the result instead of fold_build3.
6130         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6131         dealing with argument lists.
6132         (init_pre): Remove references to expression_node_pool and
6133         list_node_pool.  Init temp_call_expr_obstack instead.
6134         (fini_pre): Remove references to expression_node_pool and
6135         list_node_pool.
6136
6137         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6138         and walk arguments explicitly instead of as a list.
6139
6140         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6141         (mx_register_decls): Likewise.
6142         (mudflap_register_call): Likewise.
6143         (mudflap_finish_file): Likewise.
6144
6145         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6146         (ipa_callsite_compute_param): Likewise.
6147
6148         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6149         accessors and constructor.
6150
6151         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6152         accessors and constructor.
6153         (convert_tramp_reference): Likewise.
6154         (convert_call_expr): Likewise.
6155         (finalize_nesting_tree_1): Likewise.
6156
6157         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6158         accessors.
6159
6160         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6161
6162         * tree-inline.c (initialize_inlined_parameters): Pass entire
6163         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6164         accessors.
6165         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6166         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6167
6168         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6169         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6170         (vectorizable_reduction): Likewise.
6171         (vectorizable_call): Use new CALL_EXPR iterators.
6172         (vectorizable_conversion): Use build_call_expr.
6173         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6174         (vect_gen_widened_results_half): Use build_call_expr.
6175         (vect_setup_realignment): Likewise.
6176         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6177
6178         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6179         (pass_through_call): Likewise.
6180         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6181         fold_builtin.
6182
6183         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6184         (tree_gen_pow2_profiler): Likewise.
6185         (tree_gen_one_value_profiler): Likewise.
6186         (tree_gen_ic_func_profiler): Likewise.
6187         (tree_gen_average_profiler): Likewise.
6188         (tree_gen_ior_profiler): Likewise.
6189
6190         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6191         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6192         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6193
6194         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6195         of TREE_CODE_LENGTH.
6196
6197         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6198         of TREE_CODE_LENGTH.
6199
6200         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6201         constructor.
6202         (convert_to_integer): Likewise.
6203
6204         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6205         accessors.
6206
6207 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6208             Brooks Moses  <brooks.moses@codesourcery.com>
6209             Lee Millward  <lee.millward@codesourcery.com>
6210
6211         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6212         accessors.
6213         * config/frv/frv.c (frv_expand_builtin): Likewise.
6214         * config/s390/s390.c (s390_expand_builtin): Likewise.
6215
6216         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6217         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6218
6219         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6220         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6221         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6222         (ix86_expand_store_builtin): Likewise.
6223         (ix86_expand_unop_builtin): Likewise.
6224         (ix86_expand_unop1_builtin): Likewise.
6225         (ix86_expand_sse_compare): Likewise.
6226         (ix86_expand_sse_comi): Likewise.
6227         (ix86_expand_vec_init_builtin): Likewise.
6228         (ix86_expand_vec_ext_builtin): Likewise.
6229         (ix86_expand_vec_set_builtin): Likewise.
6230         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6231
6232         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6233         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6234
6235         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6236         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6237         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6238
6239         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6240         build_call_expr.
6241         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6242         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6243         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6244         (altivec_expand_abs_builtin): Likewise.
6245         (rs6000_expand_binop_builtin): Likewise.
6246         (altivec_expand_predicate_builtin): Likewise.
6247         (altivec_expand_lv_builtin): Likewise.
6248         (spe_expand_stv_builtin): Likewise.
6249         (altivec_expand_stv_builtin): Likewise.
6250         (rs6000_expand_ternop_builtin): Likewise.
6251         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6252         (altivec_expand_st_builtin): Likewise.
6253         (altivec_expand_dst_builtin): Likewise.
6254         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6255         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6256         (altivec_expand_vec_set_builtin): Likewise.
6257         (altivec_expand_vec_ext_builtin): Likewise.
6258         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6259         (spe_expand_builtin): Likewise.
6260         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6261         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6262         (spe_expand_evsel_builtin): Likewise.
6263         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6264         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6265
6266         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6267         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6268         (arm_expand_unop_builtin): Likewise.
6269         (arm_expand_builtin): Use new CALL_EXPR accessors.
6270
6271         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6272         accessors.
6273
6274         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6275         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6276         (bfin_expand_unop_builtin): Likewise.
6277         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6278
6279 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6280             Brooks Moses  <brooks.moses@codesourcery.com>
6281             Lee Millward  <lee.millward@codesourcery.com>
6282
6283         * c-semantics.c (build_stmt): Add internal diagnostic check.
6284
6285         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6286         accessors.  Print arguments explicitly instead of as a list.
6287
6288         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6289
6290         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6291         (c_finish_omp_flish): Likewise.
6292
6293         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6294         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6295         instead of TREE_CODE_LENGTH.
6296         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6297         (c_warn_unused_result): Likewise.
6298
6299 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6300
6301         PR c/26494
6302         * doc/invoke.texi (Warning Options): Remove
6303         -Werror-implicit-function-declaration.
6304         (Wimplicit-function-declaration): Update description.
6305         * opts.c (common_handle_option): Move handling of -Werror=* to...
6306         (enable_warning_as_error): ...here.
6307         * opts.h (enable_warning_as_error): Declare.
6308         * c-decl.c (implicit_decl_warning): Unless
6309         -Wno-implicit-function-declaration is given, emit a pedwarn if
6310         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6311         * c.opt (Wimplicit-function-declaration): Replace
6312         mesg_implicit_function_declaration with
6313         warn_implicit_function_declaration.
6314         * c-opts.c (c_common_handle_option):
6315         -Werror-implicit-function-declaration is exactly equal as
6316         -Werror=implicit-function-declaration.
6317         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6318         warn_implicit_function_declaration.
6319         (c_common_post_options): -Wimplict-function-declaration is enabled
6320         by default by -std=c99, otherwise is disabled by default.
6321         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6322
6323 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6324
6325         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6326         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6327         former is ignored but not the latter.
6328
6329 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6330
6331         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6332         is made and the reference doesn't use the alias set of its type,
6333         do not create the temporary using that type.
6334
6335 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6336
6337         * jump.c: Remove prototypes for delete_computation and
6338         delete_prior_computation.
6339
6340 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6341
6342         * jump.c (get_label_after): Delete.
6343         (get_label_before, delete_computation, delete_jump,
6344         delete_prior_computation, follow_jumps): Move...
6345         * reorg.c (delete_computation, delete_prior_computation): ... here...
6346         (get_label_before, delete_jump): ... making these static ...
6347         (follow_jumps): ... and simplifying this since it only runs after
6348         reload.
6349         * rtl.h (get_label_after, get_label_before, delete_jump,
6350         follow_jumps): Delete prototypes.
6351
6352 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6353
6354         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6355
6356 2007-02-15  Nick Clifton  <nickc@redhat.com>
6357
6358         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6359         order to prevent it from being munged by the target.
6360
6361 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6362
6363         * config/i386/i386.md: Remove misleading comment.
6364
6365 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6366
6367         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6368         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6369         invalid patterns.
6370
6371 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6372
6373         * tree-sra.c (instantiate_missing_elements): Canonicalize
6374         bit-field types.
6375         (sra_build_assignment): New.
6376         (generate_copy_inout, generate_element_copy,
6377         generate_element_zero, generate_one_element_init): Use it.
6378
6379 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6380
6381         * tree-sra.c (instantiate_missing_elements): Canonicalize
6382         bit-field types.
6383         (sra_build_assignment): New.
6384         (generate_copy_inout, generate_element_copy,
6385         generate_element_zero, generate_one_element_init): Use it.
6386
6387 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6388
6389         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6390         limbo die nodes.
6391
6392 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
6393
6394         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6395         types as aggregates not scalars.
6396         * function.c (assign_stack_temp_for_type): Likewise.
6397
6398 2007-02-14  Roger Sayle  <roger@eyesopen.com>
6399             Zdenek Dvorak  <dvorakz@suse.cz>
6400
6401         * tree-dump.c (dump_switch_p_1): Require exact match of the option
6402         name.
6403
6404 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
6405
6406         * passes.c (next_pass_1): Clear the next field of the copied
6407         pass structure.
6408
6409 2007-02-14  Richard Henderson  <rth@redhat.com>
6410
6411         * tree-sra.c (early_sra): New.
6412         (decl_can_be_decomposed_p): Deny va_list if early_sra.
6413         (tree_sra_early, pass_sra_early): New.
6414         * tree-pass.h (pass_sra_early): Declare.
6415         * passes.c (init_optimization_passes): Use it.
6416
6417 2007-02-14  Richard Guenther  <rguenther@suse.de>
6418
6419         * flags.h (issue_strict_overflow_warning): Convert to a macro.
6420
6421 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
6422
6423          PR tree-optimization/30771
6424         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6425         also phi nodes.
6426         (vect_analyze_operations): Induction phis can now be marked as
6427         used_in_loop.
6428         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6429         Update documentation accordingly.
6430
6431 2007-02-14  Nick Clifton  <nickc@redhat.com>
6432
6433         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6434         most 3 arguments are supported.
6435         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6436
6437 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
6438
6439         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6440         Ensure dst->current is valid.
6441
6442 2007-02-13  Paul Brook  <paul@codesourcery.com>
6443
6444         * config.gcc: Add arm*-*-uclinux-*eabi.
6445         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6446         (SUBTARGET_EXTRA_LINK_SPEC): Define.
6447         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6448         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6449         (LINK_SPEC): Define.
6450         (LIB_SPEC): Define.
6451         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6452         register.
6453         * config/arm/uclinux-eabi.h: New file.
6454         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6455         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6456         based targets.
6457
6458 2007-02-13  Ian Lance Taylor  <iant@google.com>
6459
6460         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6461         * flags.h (warn_strict_overflow): Declare.
6462         (enum warn_strict_overflow_code): Define.
6463         (issue_strict_overflow_warning): New static inline function.
6464         * opts.c (warn_strict_overflow): New variable.
6465         (common_handle_option): Handle OPT_Wstrict_overflow and
6466         OPT_Wstrict_overflow_.
6467         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6468         OPT_Wall.
6469         * fold-const.c: Include intl.h.
6470         (fold_deferring_overflow_warnings): New static variable.
6471         (fold_deferred_overflow_warning): New static variable.
6472         (fold_deferred_overflow_code): New static variable.
6473         (fold_defer_overflow_warnings): New function.
6474         (fold_undefer_overflow_warnings): New function.
6475         (fold_undefer_and_ignore_overflow_warnings): New function.
6476         (fold_deferring_overflow_warnings_p): New function.
6477         (fold_overflow_warning): New static function.
6478         (make_range): Add strict_overflow_p parameter.  Change all
6479         callers.
6480         (extract_muldiv, extract_muldiv_1): Likewise.
6481         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6482         tree_expr_nonnegative_p.
6483         (fold_negate_expr): Call fold_overflow_warning.
6484         (fold_range_test): Likewise.
6485         (fold_comparison): Likewise.
6486         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
6487         instead of tree_expr_nonnegative_p.
6488         (tree_expr_nonnegative_warnv_p): Rename from
6489         tree_expr_nonnegative_p, add strict_overflow_p parameter.
6490         (tree_expr_nonnegative_p): New function.
6491         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6492         strict_overflow_p parameter.
6493         (tree_expr_nonzero_p): New function.
6494         * passes.c (verify_interpass_invariants): New static function.
6495         (execute_one_pass): Call it.
6496         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6497         warnings.
6498         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6499         (estimate_numbers_of_iterations): Likewise.
6500         (scev_probably_wraps_p): Likewise.
6501         * tree-ssa-ccp.c: Include "toplev.h".
6502         (evaluate_stmt): Defer fold overflow warnings until we know we are
6503         going to optimize.
6504         (struct fold_stmt_r_data): Add stmt field.
6505         (fold_stmt_r): Defer fold overflow warnings until we know we
6506         optimized.
6507         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6508         (fold_stmt_inplace): Likewise.
6509         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6510         (cleanup_control_expr_graph): Defer fold overflow warnings until
6511         we know we are going to optimize.
6512         * tree-cfg.c (fold_cond_expr_cond): Likewise.
6513         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6514         Likewise.
6515         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6516         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6517         * tree-ssa-loop-manip.c (create_iv): Likewise.
6518         * c-typeck.c (build_conditional_expr): Likewise.
6519         (build_binary_op): Likewise.
6520         * tree-vrp.c (vrp_expr_computes_nonzero): Call
6521         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6522         (extract_range_from_unary_expr): Likewise.
6523         * simplify-rtx.c (simplify_const_relational_operation): Warn when
6524         assuming that signed overflow does not occur.
6525         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6526         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6527         (fold_defer_overflow_warnings): Declare.
6528         (fold_undefer_overflow_warnings): Declare.
6529         (fold_undefer_and_ignore_overflow_warnings): Declare.
6530         (fold_deferring_overflow_warnings_p): Declare.
6531         (tree_expr_nonzero_warnv_p): Declare.
6532         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6533         of warning options.
6534         (Warning Options): Document -Wstrict-overflow.
6535         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6536         (tree-ssa-ccp.o): Likewise.
6537         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6538         (fold-const.o): Depend on intl.h.
6539
6540 2007-02-13  Ian Lance Taylor  <iant@google.com>
6541
6542         PR middle-end/30751
6543         * lower-subreg.c (resolve_simple_move): Decompose subregs in
6544         addresses.
6545
6546 2007-02-13  Stuart Hastings  <stuart@apple.com>
6547
6548         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6549
6550 2007-02-13  Richard Henderson  <rth@redhat.com>
6551
6552         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6553         handled_component_p before looking for the indirect_ref.
6554
6555 2007-02-13  Richard Henderson  <rth@redhat.com>
6556
6557         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6558         remove flags clobber.
6559         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6560         (bswaphi_lowpart): New.
6561         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6562         remove TARGET_BSWAP test.  Delete expander of the same name.
6563
6564         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6565         (expand_unop): Use them.
6566
6567 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
6568
6569         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6570         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6571         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6572         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6573         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6574         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6575         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6576         assembler dialect choice from asm templates.
6577
6578 2007-02-12  Richard Henderson  <rth@redhat.com>
6579
6580         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6581         (fixuns_trunc<SSEMODEF>si2): Use it.
6582         * config/i386/sse.md (vec_setv4sf_0): Export.
6583         * config/i386/i386.c (ix86_build_const_vector): Export.
6584         (ix86_split_convert_uns_si_sse): Rename from
6585         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6586         * config/i386/i386-protos.h: Update.
6587
6588 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6589
6590         PR c/29521
6591         * c-typeck.c (c_finish_return): Improve warning message.
6592
6593 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6594
6595         * alias.c (find_symbolic_term): Delete unused function.
6596
6597 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6598
6599         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6600         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6601         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6602
6603 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6604
6605         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6606         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6607         the function, temporarily point the debug interface to the null one.
6608
6609 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6610
6611         * dwarf2out.c (round_up_to_align): New static function.
6612         (field_byte_offset): Use it to round the offset.
6613
6614 2007-02-12  Richard Henderson  <rth@redhat.com>
6615
6616         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6617         (inswl_const): Export.
6618
6619 2007-02-12  Richard Henderson  <rth@redhat.com>
6620
6621         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6622         result mode of the libcall, convert back to outmode.
6623
6624 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6625
6626         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6627         (bswapdi2): New define_expand to implement 32-bit implementation.
6628
6629 2007-02-12  Nick Clifton  <nickc@redhat.com>
6630
6631         * doc/invoke.texi (Overall Options): Document --help=.
6632         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6633         (cc1_options): Pass --help= on to cc1.
6634         (display_help): Add description of --help=.
6635         (process_command): Add code to handle --help=.  Allow translated
6636         --help and --target-help switches to be passed on to compiler
6637         sub-process.
6638         (main): Remove unused if statement.
6639         * opts.c (columns): Remove.
6640         (LEFT_COLUMN): Define.
6641         (wrap_help): Add columns argument.
6642         (print_filtered_help): Change parameters to be an include bitmask,
6643         an exclude bitmask, an any bitmask and the column width.  Move the
6644         code to display the params list here.  Add code to display the
6645         status of options rather than their descriptions if the quiet flag
6646         is not active.
6647         (print_specific_help): Change parameters to be an include bitmask,
6648         an exclude bitmask and an any bitmask.  Move code to look up the
6649         column width here.  Decide upon the title for an options listing.
6650         (common_handle_options): Add code to handle --help=.  Adapt code
6651         for --help and --target-help to use the revised form of the
6652         print_specific_help function.
6653         (print_help): Delete.
6654         (print_param_help): Delete.
6655         (print_switch): Delete.
6656         * opts.h (cl_lang_count): Add prototype.
6657         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6658         CL_MAX_OPTION_CLASS): New defines.
6659         * optc-gen.awk: Add construction of cl_lang_count.
6660         * c.opt: Add Warning attribute to warning options and Optimization
6661         attribute to optimization options.
6662         * common.opt: Likewise.
6663         Add --help=.
6664         Add -fhelp and -ftarget-help as aliases for the transformed --help
6665         and --target-help options.
6666         * opt-functions.awk: Add code to handle Warning and Optimization
6667         attributes.
6668
6669 2007-02-12  Richard Henderson  <rth@redhat.com>
6670
6671         * config/alpha/constraints.md: New file.
6672         * config/alpha/alpha.c: Include tm-constrs.h.
6673         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6674         alpha_extra_constraint): Remove.
6675         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6676         * config/alpha/alpha-protos.h: Update.
6677         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6678         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6679         (EXTRA_CONSTRAINT): Remove.
6680         * config/alpha/alpha.md: Include constraints.md.
6681         (adddi splitter): Use satisfies_constraint_*.
6682         * config/alpha/predicates.md (add_operand): Likewise.
6683         (sext_add_operand, addition_operation): Likewise.
6684
6685 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6686
6687         PR tree-optimization/29145
6688         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6689         in our handling of restrict qualified pointers.
6690
6691 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6692
6693         PR middle-end/7651
6694         * doc/invoke.texi (Wunused-value): Update description.
6695         (Wextra): Delete item.
6696         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6697         value of Wunused-value.
6698         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6699         (c_finish_stmt_expr): Don't check extra_warnings.
6700         (emit_side_effect_warnings): The caller is responsible to check
6701         warn_unused_value.
6702
6703 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6704             Matt Thomas  <matt@3am-software.com>
6705
6706         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6707
6708 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6709
6710         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6711         comparisons of POPCOUNT against zero.
6712         (simplify_const_relational_operation): Likewise.
6713
6714 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6715
6716         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6717
6718 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6719
6720         * dwarf2out.c (root_type): Delete unused function.
6721
6722 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6723
6724         * genattrtab.c (contained_in_p): Delete unused function.
6725         (write_expr_attr_cache): Likewise.
6726
6727 2007-02-11  Jan Hubicka  <jh@suse.cz>
6728
6729         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6730         previous patch.
6731
6732 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6733
6734         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6735         to add the REG_EQ* note.
6736         * see.c (see_merge_one_use_extension): Likewise.
6737         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6738         turn REG_EQUAL notes into REG_EQUIV notes if the target
6739         register may have more than one set.
6740         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6741         * gcse.c (try_replace_reg): Likewise.
6742         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6743         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6744         more than one REG_EQUIV note.
6745         * reload1.c (gen_reload): Use set_unique_reg_note.
6746
6747 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6748
6749         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6750         (ix86_builtin_conversion): New function.
6751
6752 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6753
6754         PR target/29487
6755         * tree.h (DECL_REPLACEABLE_P): New macro.
6756         * except.c (set_nothrow_function_flags): Likewise.
6757
6758 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6759             Ira Rosen  <irar@il.ibm.com>
6760             Dorit Nuzman  <dorit@il.ibm.com>
6761
6762         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6763         * targhooks.c (default_builtin_vectorized_conversion): New.
6764         * targhooks.h (default_builtin_vectorized_function): New declaration.
6765         * target.h (struct vectorize): Add builtin_conversion field.
6766         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6767         stmt_vec_info_type value.
6768         (vectorizable_conversion): New declaration.
6769         * tree-vect-analyze.c (vect_analyze_operations): Add
6770         vectorizable_conversion call.
6771         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6772         * tree-vect-transform.c (vectorizable_conversion): New function.
6773         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6774         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6775         mode.
6776         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6777         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6778         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6779         or ALTIVEC_BUILTIN_VCFSX.
6780
6781 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6782
6783         PR target/30634
6784         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6785         CONST_DOUBLE and operand 0 is a hard register.
6786         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6787         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6788         is a hard floating-point register.
6789
6790 2007-02-10  Richard Henderson  <rth@redhat.com>
6791             Jakub Jelinek  <jakub@redhat.com>
6792             Alexandre Oliva  <aoliva@redhat.com>
6793
6794         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6795         * builtin-types.def (BT_WORD): Make unsigned.
6796         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6797         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6798         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6799         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6800         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6801         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6802         emulated tls.
6803         * expr.c (emutls_var_address): New.
6804         (expand_expr_real_1): Expand emulated tls.
6805         (expand_expr_addr_expr_1): Likewise.
6806         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6807         * output.h (emutls_finish): Declare.
6808         * toplev.c (compile_file): Call it.
6809         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6810         address before wrapping in CONST.
6811         * varasm.c (emutls_htab, emutls_object_type): New.
6812         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6813         (get_emutls_object_name, get_emutls_object_type): New.
6814         (get_emutls_init_templ_addr, emutls_decl): New.
6815         (emutls_common_1, emutls_finish): New.
6816         (assemble_variable): When emulating tls, swap decls; generate
6817         constructor for the emutls objects.
6818         (do_assemble_alias): When emulating tls, swap decl and target name.
6819         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6820         for emulated tls.
6821         * varpool.c (decide_is_variable_needed): Look at force_output.
6822         Recurse for emulated tls.
6823         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6824         with decide_is_variable_needed.
6825         * emutls.c: New file.
6826         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6827         tls_object for real tls.
6828
6829 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6830
6831         PR rtl-optimization/29599
6832         * reload1.c (eliminate_regs_in_insn): Take the destination
6833         mode into account when computing the offset.
6834
6835 2007-02-09  Stuart Hastings  <stuart@apple.com>
6836             Richard Henderson  <rth@redhat.com>
6837
6838         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6839         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6840         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6841         fixuns_truncdfhi2): New.
6842         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6843         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6844         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6845         (floatunssidf2): Allow nonimmediate source.
6846         * config/i386/sse.md (movdi_to_sse): New.
6847         (vec_concatv2di): Drop '*'.
6848         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6849         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6850         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6851         New.
6852         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6853         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6854         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6855         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6856         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6857         ix86_build_const_vector.
6858         (x86_emit_floatuns): Rewrite.
6859
6860 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6861
6862         * genautomata.c (longest_path_length): Delete unused function.
6863         (struct state): Delete unused longest_path_length.
6864         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6865         (get_free_state): Delete unused.
6866
6867 2007-02-09  Jan Hubicka  <jh@suse.cz>
6868
6869         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6870         * doc/invoke.texi (inline-unit-growth): Update default value.
6871
6872         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6873         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6874         (rebuild_cgraph_edges): Likewise.
6875         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6876         (dump_cgraph_node): Dump frequencies.
6877         (cgraph_clone_edge): Add frequency scales.
6878         (cgraph_clone_node): Add freuqnecy.
6879         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6880         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6881         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6882         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6883         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6884         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6885         (save_inline_function_body): Likewise.
6886         * ipa-inline.c: inluce rtl.h
6887         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6888         (cgraph_edge_badness): Use frequencies.
6889         (cgraph_decide_recursive_inlining): Update clonning.
6890         (cgraph_decide_inlining_of_small_function): Dump frequency.
6891         * predict.c (estimate_bb_frequencies): Export.
6892         * predict.h (estimate_bb_frequencies): Declare.
6893         * tree-inline.c (copy_bb): Watch overflows.
6894         (expand_call_inline): Update call of cgraph_create_edge.
6895         (optimize_inline_calls): Use TODO flags to update frequnecies.
6896         * passes.h: Include predict.h
6897         (init_optimization_passes): Move profile ahead.
6898         (execute_function_todo): Handle TODO_rebuild_frequencies.
6899
6900 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6901
6902         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6903         the insbl or inswl pattern into a register.
6904
6905 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6906
6907         * config/ia64/ia64.md (bswapdi2): New define_insn.
6908
6909 2007-02-09  Richard Henderson  <rth@redhat.com>
6910
6911         * config/i386/constraints.md (Ym): New constraint.
6912         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6913         (movdi_1_rex64): Split sse and xmm general register moves from
6914         memory move alternatives.  Use conditional register constraints.
6915         (movsf_1, movdf_integer): Likewise.
6916         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6917         (movdf_integer_rex64): New.
6918         (pushsf_rex64): Fix output constraints.
6919         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6920         (sse2_stored): Likewise.
6921         (sse2_storeq_rex64): New.
6922         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6923         amd and not generic.
6924         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6925         for optimize_size.  Remove SF/DFmode hack.
6926
6927 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6928
6929         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6930         (bit_SSE4a): New.
6931
6932 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6933             Richard Sandiford  <richard@codesourcery.com>
6934
6935         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6936         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6937         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6938         m68k/t-mlib to tmake_file.
6939         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6940         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6941         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6942         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6943         variable is not empty, add t-$m68k_arch_family to tmake_file.
6944         Add t-mlibs to tmake_file.
6945         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6946         * config/m68k/t-cf: New file.
6947         * config/m68k/t-m68k: Likewise.
6948         * config/m68k/t-mlibs: Likewise.
6949         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6950         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6951         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6952         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6953         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6954         Delete.
6955         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6956         (INSTALL_LIBGCC): Delete.
6957         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6958         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6959         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6960         (M68K_MLIB_CPU): Define.
6961         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6962         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6963         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6964
6965 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6966             Richard Guenther  <rguenther@suse.de>
6967
6968         PR middle-end/23361
6969         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6970         against INT_MIN/INT_MAX.
6971         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6972         file if a loop is removed.
6973
6974 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6975
6976         * calls.c (store_one_arg): Pass correct alignment to
6977         emit_push_insn for non-BLKmode values.
6978         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6979         unaligned stack slot via a suitably aligned slot.
6980
6981 2007-02-08  DJ Delorie  <dj@redhat.com>
6982
6983         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6984         warnings.
6985         (legal_subregs): Use unsigned char, make const.
6986         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6987
6988 2007-02-08  Paul Brook  <paul@codesourcery.com>
6989
6990         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6991         special interworking needed.
6992
6993 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6994
6995         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6996         conditional to __SSE2__.
6997         (Entries below should have been added to first ChangeLog
6998         entry for amdfam10 dated 2007-02-05)
6999         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7000         defined.
7001         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7002         defined.
7003         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7004         defined.
7005
7006 2007-02-08  DJ Delorie  <dj@redhat.com>
7007
7008         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7009         * config/m32c/m32c.c (legal_subregs): New.
7010         (m32c_illegal_subreg_p): New.
7011         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7012         unsupported subregs of hard regs.
7013
7014 2007-02-08  Jan Hubicka  <jh@suse.cz>
7015
7016         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7017         the same one; always update histograms.
7018
7019 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7020
7021         * passes.c (init_optimization_passes): Tidy comment.
7022
7023 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7024
7025         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7026         strip zero_extend, bswap and rotates from POCOUNT's argument.
7027         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7028         zero_extend and rotates from PARITY's argument.
7029         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7030         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7031         of an integer constant at compile-time.
7032
7033 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7034
7035         PR 30562
7036         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7037         Update all users.
7038         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7039         users.
7040         (init_alias_info):
7041         * tree-ssa-live.c (remove_unused_locals): Do not remove
7042         TREE_ADDRESSABLE variables.
7043         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7044         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7045         FOR_CLOBBER.  Update all users.
7046         If VAR has an associated alias set, add a virtual operand for
7047         it if no alias is found to conflict with the memory reference.
7048
7049 2007-02-07  Jan Hubicka  <jh@suse.cz>
7050             Robert Kidd <rkidd@crhc.uiuc.edu>
7051
7052         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7053
7054 2007-02-07  Ian Lance Taylor  <iant@google.com>
7055
7056         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7057
7058 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7059
7060         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7061         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7062         tablejumpdi, movsi_to_cr_one): Remove constraints from
7063         define_expand's match_operands.
7064
7065 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7066
7067         * global.c (compute_regsets): Move declatation of "i" inside of
7068         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7069
7070 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7071
7072         PR c++/30703
7073         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7074         of INDIRECT_REF <RESULT_DECL>.
7075
7076         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7077
7078 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7079             Kaz Kojima  <kkojima@gcc.gnu.org>
7080
7081         PR target/29746
7082         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7083         properly.
7084         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7085
7086 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7087
7088         * doc/loop.texi: Document possibility not to perform disambiguation
7089         of loops with multiple latches.
7090         * cfgloopmanip.c (alp_enum_p): Removed.
7091         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7092         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7093         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7094         the new forwarder block.
7095         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7096         Handle the case latch is NULL.
7097         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7098         when marking loop exits.
7099         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7100         be modified.
7101         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7102         disambiguate_loops_with_multiple_latches.
7103         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7104         before fix_loop_structure.
7105         * cfgloop.c: Include pointer-set.h and output.h.
7106         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7107         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7108         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7109         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7110         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7111         disambiguate_multiple_latches, get_loop_body_with_size,
7112         disambiguate_loops_with_multiple_latches): New functions.
7113         (flow_loop_dump): Dump multiple latch edges.
7114         (flow_loop_nodes_find): Handle loops with multiple latches.
7115         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7116         (glb_enum_p): Modified.
7117         (get_loop_body): Use get_loop_body_with_size.
7118         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7119         (AVOID_CFG_MODIFICATIONS): New constant.
7120         (disambiguate_loops_with_multiple_latches, add_loop,
7121         get_loop_body_with_size): Declare.
7122         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7123
7124 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7125
7126         PR inline-asm/28686
7127         * global.c (compute_regsets): New function.
7128         (global_alloc): Refactored ELIMINABLE_REGSET
7129         and NO_GLOBAL_ALLOC_REGS computation out.
7130         (rest_of_handle_global_alloc): Call compute_regsets()
7131         for non-optimizing case.
7132
7133 2007-02-06  Richard Henderson  <rth@redhat.com>
7134
7135         * config/i386/constraints.md (Y2): Rename from Y.
7136         (Yi): New constraint.
7137         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7138         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7139         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7140         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7141         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7142         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7143         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7144         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7145         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7146         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7147         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7148         vec_extractv2si_1): Change Y constraints to Y2.
7149         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7150         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7151         Change Y constraints to Y2.
7152         (sse2_loadld): Change Y constraints to x.
7153
7154 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7155
7156         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7157         (parity<mode>2): New define_expand using rs6000_emit_parity.
7158         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7159         rs6000_emit_parity): New functions.
7160         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7161         rs6000_emit_parity): Prototype here.
7162
7163 2007-02-06  Ian Lance Taylor  <iant@google.com>
7164
7165         * lower-subreg.c (simple_move_operand): Reject CONST.
7166         (resolve_clobber): Call validate_change rather than directly
7167         assigning to XEXP (pat, 0).
7168
7169 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7170
7171         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7172         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7173         (tree-cfg.o): Remove hashtab.h dependency.
7174
7175         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7176         (struct ivopts_data): Change niters to pointer_map_t.
7177         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7178         (niter_for_exit): Create pointer_map on demand.  Change for
7179         pointer_map API.
7180         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7181         (free_loop_data): Destroy data->niters if created and reset field.
7182         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7183         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7184
7185         * tree-ssa-reassoc.c: Include pointer-set.h.
7186         (bb_rank): Change to long *.
7187         (operand_rank): Change to pointer_map_t.
7188         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7189         (insert_operand_rank): Accept long.
7190         (operand_entry_hash, operand_entry_eq): Remove.
7191         (get_rank): Return long.  Adjust for changes above.
7192         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7193         and operand_rank.
7194         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7195
7196         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7197         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7198         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7199         is not NULL.
7200         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7201         directly since it cannot be NULL.
7202         (get_vi_for_tree): Rewrite for pointer_map API.
7203         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7204         (init_alias_vars): Create vi_for_tree as pointer_map.
7205         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7206
7207         * tree-cfg.c: Don't include hashtab.h.
7208         (edge_to_cases): Declare as pointer_map.
7209         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7210         Delete.
7211         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7212         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7213         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7214         destroying it.
7215         (record_switch_edge): Delete.
7216         (get_cases_for_edge): Adjust for pointer_map API, inline
7217         record_switch_edge (rewritten for new API), remove goto.
7218
7219 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7220
7221         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7222         * tree-nested.c: Include pointer-set.h.
7223         (var_map_elt, var_map_eq, var_map_hash): Delete.
7224         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7225         to pointer_map_t's.
7226         (nesting_info_bitmap_obstack): New.
7227         (lookup_field_for_decl): Adjust for pointer_map API.
7228         (lookup_tramp_for_decl): Adjust for pointer_map API.
7229         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7230         (get_local_debug_decl): Adjust for pointer_map API.
7231         (convert_nl_goto_reference): Adjust for pointer_map API.
7232         (convert_nl_goto_receiver): Adjust for pointer_map API.
7233         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7234         the new obstack.  Create field_map and var_map as pointer_maps.
7235         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7236         (root): Delete.
7237         (lower_nested_functions): Move root here, no need to NULL it.
7238         Initialize and release the obstack.
7239
7240 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7241
7242         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7243         Remove prototypes and make them non-static.
7244         (struct tree_int_map): Remove.
7245         * tree.h (struct tree_int_map): Move here, turning TO into an
7246         unsigned int.
7247         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7248
7249         * tree.h (TREE_COMPLEXITY): Remove.
7250         (struct tree_exp): Remove complexity field.
7251         * tree.c (build1_stat): Don't set it.
7252
7253 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7254             Victor Kaplansky  <victork@il.ibm.com>
7255
7256         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7257         (vect_is_simple_reduction): Support reduction with induction as
7258         one of the operands.
7259         (vect_is_simple_iv_evolution): Fix formatting.
7260         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7261         formatting.  Don't mark induction phis for vectorization.
7262         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7263         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7264         (vect_get_vec_def_for_operand): Support induction.
7265         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7266         induction case.
7267         (vectorizable_reduction): Support reduction with induction as one of
7268         the operands.
7269         (vectorizable_type_demotion): Use def-type of stmt argument rather
7270         than dummy def-type.
7271
7272         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7273         flag_tree_scev_cprop.
7274         * common.opt (tree-scev-cprop): New flag.
7275
7276         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7277         call to vect_get_new_vect_var.
7278
7279 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7280
7281         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7282         vectype is not NULL.
7283         (vect_pattern_recog_1): Likewise.
7284
7285 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7286
7287         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7288         (fold_negate_expr): Likewise.
7289
7290 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7291
7292         PR debug/30189
7293         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7294         even if cv-qualification is the same.
7295
7296 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7297
7298         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7299         __enable_execute_stack on completion.
7300
7301 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7302
7303         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7304         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7305         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7306         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7307         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7308         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7309         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7310         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7311
7312 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7313
7314         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7315         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7316         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7317         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7318         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7319         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7320         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7321         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7322         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7323         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7324         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7325         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7326         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7327         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7328         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7329         sqrtextenddfxf2_i387): Added amdfam10_decode.
7330
7331         * config/i386/athlon.md (athlon_idirect_amdfam10,
7332         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7333         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7334         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7335         athlon_ivector_store_amdfam10): New define_insn_reservation.
7336         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7337         amdfam10.
7338
7339 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7340
7341         * config/i386/athlon.md (athlon_call_amdfam10,
7342         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7343         define_insn_reservation.
7344         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7345         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7346         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7347
7348 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7349
7350         * config/i386/athlon.md (athlon_sseld_amdfam10,
7351         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7352         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7353
7354 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7355
7356         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7357         define_insn_reservation.
7358         * config/i386/i386.md (sseins): Added sseins to define_attr type
7359         and define_attr unit.
7360         * config/i386/sse.md: Set type attribute to sseins for insertq
7361         and insertqi.
7362
7363 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7364
7365         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7366         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7367         ssecomi_load_amdfam10, ssecomi_amdfam10,
7368         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7369         define_insn_reservation.
7370         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7371
7372 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7373
7374         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7375         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7376         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7377         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7378         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7379         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7380         define_insn_reservation.
7381
7382         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7383         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7384         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7385         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7386         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7387
7388 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7389
7390         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7391         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7392         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7393         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7394         athlon_ssemul_load_k8): Added amdfam10.
7395
7396 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7397
7398         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7399         (x86_sse_unaligned_move_optimal): New variable.
7400
7401         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7402         m_AMDFAM10.
7403         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7404         for unaligned vector SSE double/single precision loads for AMDFAM10.
7405
7406 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7407
7408         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7409         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7410         Define TARGET_CPU_DEFAULT_amdfam10.
7411         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7412         (processor_type): Add PROCESSOR_AMDFAM10.
7413
7414         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7415         processor_type in config/i386/i386.h.
7416         Enable imul peepholes for TARGET_AMDFAM10.
7417
7418         * config.gcc: Add support for --with-cpu option for amdfam10.
7419
7420         * config/i386/i386.c (amdfam10_cost): New variable.
7421         (m_AMDFAM10): New macro.
7422         (m_ATHLON_K8_AMDFAM10): New macro.
7423         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7424         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7425         x86_promote_QImode, x86_integer_DFmode_moves,
7426         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7427         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7428         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7429         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7430         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7431         Enable/disable for amdfam10.
7432         (override_options): Add amdfam10_cost to processor_target_table.
7433         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7434         processor_alias_table.
7435         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7436         (ix86_adjust_cost): Add code for amdfam10.
7437
7438 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7439
7440         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7441         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7442         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7443         * config/i386/i386.h: Add builtin definition for SSE4A.
7444         * config/i386/i386.md: Add support for ABM instructions
7445         (popcnt and lzcnt).
7446         * config/i386/sse.md: Add support for SSE4A instructions
7447         (movntss, movntsd, extrq, insertq).
7448         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7449         Add -march=amdfam10 flag.
7450         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7451         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7452         and amdfam10.
7453         * doc/extend.texi: Add documentation for SSE4A builtins.
7454
7455 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
7456
7457         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7458
7459 2007-02-05  Richard Guenther  <rguenther@suse.de>
7460
7461         * tree-vectorizer.h (vectorizable_function): Add argument type
7462         argument, change return type.
7463         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7464         * tree-vect-transform.c (vectorizable_function): Handle extra
7465         argument, return vectorized function decl.
7466         (build_vectorized_function_call): Remove.
7467         (vectorizable_call): Handle calls with result and argument types
7468         differing.  Handle loop vectorization factor correctly.
7469         * targhooks.c (default_builtin_vectorized_function): Adjust for
7470         extra argument.
7471         * targhooks.h (default_builtin_vectorized_function): Likewise.
7472         * target.h (builtin_vectorized_function): Add argument type
7473         argument.
7474         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7475         extra argument, allow vectorizing of lrintf.
7476         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7477         documentation of target hook.
7478
7479 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
7480
7481         PR target/30665
7482         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7483         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7484         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7485
7486 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7487
7488         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7489         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7490         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7491         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7492         before canonicalizing sincos to cexpi.
7493         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7494
7495 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7496
7497         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7498         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7499         (alpha_init_builtins): Use alpha_add_builtins to process tables.
7500
7501 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7502
7503         * mips-tfile.c (initialize_init_file): Correct endianness test.
7504
7505 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
7506
7507         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7508         the 'y' constraint.
7509
7510 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7511
7512         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7513         saves in a PARALLEL before the register assignments.
7514
7515 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7516
7517         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7518         DWARF_FRAME_RETURN_COLUMN to be a general register.
7519         * dwarf2out.c (init_return_column_size): New function, split from...
7520         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
7521         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7522         to be nongeneral registers.
7523         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7524         integer registers.
7525         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7526         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7527
7528 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7529
7530         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7531
7532 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7533
7534         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7535         (remove_path): Use can_remove_branch_p and remove_branch instead
7536         of loop_delete_branch_edge.
7537         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7538         (tree_transform_and_unroll_loop): Remove dead branches immediately.
7539         Update profile using scale_dominated_blocks_in_loop.
7540         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7541         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7542         (can_remove_branch_p, remove_branch): Declare.
7543         * tree-cfg.c (tree_can_remove_branch_p): New function.
7544         (tree_cfg_hooks): Add tree_can_remove_branch_p.
7545         * cfgrtl.c (rtl_can_remove_branch_p): New function.
7546         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7547
7548 2007-02-05  Jan Hubicka  <jh@suse.cz>
7549
7550         PR middle-end/30696
7551         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7552         nodes in cgraph, don't remove offline copy of the function.
7553
7554 2007-02-04  Jan Hubicka  <jh@suse.cz>
7555
7556         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7557         vectors might cause maybe_lookup_element_for_expr to be called
7558         on non-sra-candidate.
7559
7560 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7561
7562         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7563         config/bfin/bfin.md, config/bfin/predicates.md: Follow
7564         spelling conventions.
7565
7566 2007-02-04  Richard Guenther  <rguenther@suse.de>
7567
7568         PR middle-end/30636
7569         * fold-const.c (try_move_mult_to_index): Make sure to not
7570         overflow one dimension of a multi-dimensional array access.
7571
7572 2007-02-04  Jan Hubicka  <jh@suse.cz>
7573
7574         * passes.c (init_optimization_passes): Reindent.
7575
7576 2007-02-04  Jan Hubicka  <jh@suse.cz>
7577             Eric Botcazou  <ebotcazou@adacore.com>
7578
7579         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7580         (execute_fixup_cfg): Break out the abnormal goto code.
7581         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7582         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7583         (optimize_inline_calls): Call make_nonlocal_label_edges.
7584
7585 2007-02-04  Jan Hubicka  <jh@suse.cz>
7586
7587         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7588         true when something was changed.
7589         (rename_ssa_copies): When something was changed, do
7590         TODO_remove_unused_locals.
7591         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7592         add TODO_remove_unused_locals when instruction was removed.
7593
7594 2007-02-04  Jan Hubicka  <jh@suse.cz>
7595
7596         * ipa-inline.c (try_inline): Improve debug output; work on already
7597         inline edges too.
7598         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7599         call try_inline for already inlined edges too when flattening;
7600         inline also functions that make callee growth but overall unit size
7601         reduce.
7602
7603 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7604
7605         * config/m32c/bitops.md, config/m32c/jump.md,
7606         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7607         config/m32r/m32r.h, config/m32r/m32r.md,
7608         config/m32r/predicates.md, config/m68hc11/larith.asm,
7609         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7610         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7611         config/mips/mips-protos.h, config/mips/mips.c,
7612         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7613         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7614         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7615         spelling conventions.
7616
7617         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7618         Follow spelling conventions.
7619
7620 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7621
7622         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7623         warn about C++0x compatibility.
7624
7625 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7626
7627         * config/h8300/h8300.c, config/h8300/h8300.h,
7628         config/h8300/h8300.md: Follow spelling conventions.
7629
7630 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7631
7632         PR middle-end/30667
7633         * combine.c (try_combine): Do not substitute source operand
7634         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7635
7636 2007-02-03  Jan Hubicka  <jh@suse.cz>
7637
7638         PR gcov-profile/30650
7639         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7640         do not divide by zero for never executed counters.
7641         (tree_find_values_to_profile): Fix counters.
7642         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7643
7644 2007-02-03  Ian Lance Taylor  <iant@google.com>
7645
7646         * lower-subreg.c (simple_move_operand): New static function,
7647         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7648         operands.
7649         (simple_move): Call simple_move_operand.
7650         (find_decomposable_subregs): Add special handling of MEMs.
7651         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7652         meaning of return value.  If we see a hard register, test whether
7653         it can store a word_mode value.  Change all callers.
7654
7655 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7656
7657         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7658         ftrapv insns and expanders.
7659         (subdi3): Change define_expand operand 1 to arith11_operand, and
7660         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7661         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7662         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7663         respectively.
7664
7665         PR middle-end/30174
7666         * varasm.c (notice_global_symbol): Treat global objects as weak when
7667         flag_shlib is true.
7668
7669 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7670
7671         * emit-rtl.c (dconstpi): Delete.
7672         (dconstsqrt2): New.
7673         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7674         * real.h (dconstpi): Delete.
7675         (dconstsqrt2): New.
7676         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7677         (fold_builtin_hypot): Likewise.
7678
7679 2007-02-03  Tom Tromey  <tromey@redhat.com>
7680
7681         PR driver/30246
7682         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7683         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7684
7685 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7686
7687         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7688         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7689         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7690         config/rs6000/cell.md, config/rs6000/darwin.h,
7691         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7692         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7693         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7694         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7695         typos.  Follow spelling conventions.
7696         * doc/invoke.texi: Follow spelling conventions.
7697
7698 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7699
7700         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7701         canonicalization transformations that attempt to simplify integer
7702         constant comparisons to become comparisons against zero.
7703
7704 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7705
7706         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7707         fabs(x)*sqrt(2).
7708         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7709         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7710
7711 2007-02-02  Mike Stump  <mrs@apple.com>
7712
7713         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7714         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7715         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7716         generate a branch island.
7717
7718 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7719
7720         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7721         (xtensa_legitimate_address_p): New.
7722         (xtensa_legitimize_address): New.
7723         (xtensa_output_addr_const_extra): New.
7724         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7725         (BASE_REG_P): New.
7726         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7727         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7728         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7729         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7730         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7731         (xtensa_legitimize_address): New.
7732         (xtensa_output_addr_const_extra): New.
7733
7734 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7735
7736         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7737
7738 2007-02-02  Ian Lance Taylor  <iant@google.com>
7739
7740         * expmed.c (expand_divmod): Add comment.
7741
7742 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7743
7744         * emit-rtl.c (renumber_insns): Remove.
7745         * flags.h: Remove the extern for flag_renumber_insns.
7746         * rtl.h: Remove the prototype for renumber_insns.
7747         * toplev.c (flag_renumber_insns): Remove.
7748
7749 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7750
7751         Revert for x86 darwin:
7752         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7753
7754         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7755         code before the following patch under TARGET_MACHO.
7756         (ix86_function_value_regno_p): Likewise.
7757
7758 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7759
7760         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7761         COMPLEX_EXPR.
7762
7763 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7764
7765         PR target/29682
7766         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7767         general or fp registers.  Add comments.
7768         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7769
7770 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7771
7772         * pointer-set.c (insert_aux): Only return insertion slot.
7773         (pointer_set_insert): Adjust.
7774         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7775         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7776         pointer_map_traverse): New.
7777         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7778         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7779         pointer_map_contains, pointer_map_traverse): Declare.
7780
7781 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7782
7783         PR middle-end/30473
7784         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7785         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7786
7787 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7788
7789         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7790
7791         (struct _dep): New type.
7792         (dep_t): New typedef.
7793         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7794         (DEP_STATUS): New access macro.  The macro with the same name was
7795         renamed to DEP_LINK_STATUS.
7796         (dep_init): Declare function
7797
7798         (struct _dep_link): New type.
7799         (dep_link_t): New typedef.
7800         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7801         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7802         (DEP_LINK_STATUS): New macro.
7803         (debug_dep_links): New debug function.
7804
7805         (struct _deps_list): New type.
7806         (deps_list_t): New typedef.
7807         (DEPS_LIST_FIRST): New access macro.
7808         (FOR_EACH_DEP_LINK): New cycle macro.
7809         (create_deps_list, free_deps_list, delete_deps_list): Declare
7810         functions.
7811         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7812         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7813         (copy_deps_list_change_con): Ditto.
7814
7815         (move_dep_link): Declare function.
7816
7817         (struct _dep_node): New type.
7818         (dep_node_t): New typedef.
7819         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7820
7821         (struct haifa_insn_data.back_deps): New field to hold backward
7822         dependencies of the insn.
7823         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7824         to deps_list_t.
7825         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7826         Change its type to deps_list_t.
7827         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7828         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7829         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7830
7831         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7832
7833         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7834
7835         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7836         all callers.
7837         (dep_cost): Declare.
7838
7839         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7840         (ds_to_dk, dk_to_ds): New functions.
7841
7842         (init_dep_1): New static function.
7843         (init_dep): New function.
7844         (copy_dep): New static function.
7845
7846         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7847         functions.
7848         (detach_dep_link): New static function.
7849         (move_dep_link): New function.
7850
7851         (dep_links_consistent_p, dump_dep_links): New static functions.
7852         (debug_dep_links): New debugging function.
7853
7854         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7855
7856         (alloc_deps_list, init_deps_list): New static functions.
7857         (create_deps_list): New function.
7858         (clear_deps_list): New static function.
7859         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7860         (deps_list_consistent_p, dump_deps_list): New static functions.
7861         (debug_deps_list): New function.
7862         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7863         functions.
7864         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7865
7866         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7867         use new scheduler dependencies lists.
7868         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7869         (sched_analyze): Ditto.  Initialize dependencies lists.
7870         (add_forw_dep, compute_forward_dependences): Update to use new
7871         scheduler dependencies lists.
7872
7873         (init_dependency_caches): Init deps_obstack.
7874         (free_dependency_caches): Free deps_obstack.
7875
7876         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7877         new scheduler dependencies lists.
7878         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7879         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7880
7881         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7882         Update to use new scheduler dependencies lists.
7883         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7884         (debug_dependencies): Ditto.
7885         (schedule_region): Update comments.
7886
7887         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7888         scheduler dependencies lists.
7889         (schedule_ebb): Update comments.
7890
7891         * rtl.def (DEPS_LIST): Remove.
7892
7893         * lists.c (unused_deps_list): Remove.
7894         (free_list): Update assertions.
7895
7896         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7897         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7898
7899         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7900         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7901
7902         * haifa-sched.c (comments): Update.
7903         (insn_cost1): Remove.  Inline the code into insn_cost ().
7904         (insn_cost): Update to use new scheduler dependencies lists.  Move
7905         processing of the dependency cost to dep_cost ().
7906         (dep_cost): New function.  Use it instead of insn_cost () when
7907         evaluating cost of the dependency.  Use compatible interface to
7908         interact with the target.
7909         (priority): Update to use new scheduler dependencies lists.
7910         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7911         with greater number of insns that depend on the insn.
7912         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7913         code to free backward dependencies lists.  Inline and optimize code
7914         from resolve_dep () - see PR28071.
7915         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7916         lists.  Update call to targetm.sched.is_costly_dependence hook.
7917
7918         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7919         scheduler dependencies lists.
7920
7921         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7922         (init_h_i_d): Initialize dependencies lists.
7923
7924         (process_insn_depend_be_in_spec): Rename to
7925         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7926         dependencies lists.
7927         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7928         Update to use new scheduler dependencies lists.
7929         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7930
7931         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7932         new scheduler dependencies lists.
7933         (build_intra_loop_deps): Ditto.
7934
7935         * target.h (struct _dep): Declare to use in
7936         gcc_target.sched.is_costly_dependence.
7937         (struct gcc_target.sched.adjust_cost): Fix typo.
7938         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7939         single dep_t parameter instead of an equivalent triad.
7940         (struct gcc_target.sched.adjust_cost_2): Remove.
7941
7942         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7943
7944         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7945
7946         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7947         documentation.
7948         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7949
7950         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7951         (REG_DEP_TRUE): Document.
7952
7953         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7954         Change signature to correspond to the targetm.sched.adjust_cost hook.
7955         Update use in TARGET_SCHED_ADJUST_COST_2.
7956         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7957         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7958         new scheduler dependencies lists.
7959         (ia64_gen_check): Ditto.
7960
7961         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7962         dependencies lists.
7963
7964         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7965         signature to correspond to the targetm.sched.is_costly_dependence hook.
7966         (is_costly_group): Update to use new scheduler dependencies lists.
7967
7968         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7969         instead of INSN_COST () macro.
7970
7971 2007-02-01  Ian Lance Taylor  <iant@google.com>
7972
7973         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7974
7975 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7976
7977         * pa.md (tp_load): Correct mfctl instruction syntax.
7978
7979 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7980
7981         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7982         altivec_padding_size calculation on AIX.  Improve comment, add
7983         assert to verify that it's right.
7984
7985         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7986         64-bit.
7987
7988 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7989
7990         PR inline-asm/28686
7991         * global.c (global_alloc): Add mising initialization of
7992         ELIMINABLE_REGSET.
7993
7994 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7995
7996         * alias.c (init_alias_analysis): Correct whitespace.
7997         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7998         partition_hot_cold_basic_blocks): Likewise.
7999         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8000         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8001         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8002         fold_builtin_snprintf_chk, fold_builtin_printf,
8003         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8004         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8005         * cfgcleanup.c (cleanup_cfg): Likewise.
8006         * cfgexpand.c (tree_expand_cfg): Likewise.
8007         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8008         * function.c (get_next_funcdef_no): Likewise.
8009         * gengtype.c (main): Likewise.
8010         * genmodes.c (main): Likewise.
8011         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8012         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8013         * ifcvt.c (noce_emit_move_insn): Likewise.
8014         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8015         Likewise.
8016         * stor-layout.c (get_best_mode): Likewise.
8017         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8018         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8019         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8020         perform_var_substitution, solve_graph): Likewise.
8021         * tree-vrp.c (vrp_finalize): Likewise.
8022
8023 2007-02-01  Ian Lance Taylor  <iant@google.com>
8024
8025         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8026         high part of a paradoxical subreg, return a constant zero.
8027
8028 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8029
8030         * toplev.c (lang_dependent_init): Call init_set_costs.
8031         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8032
8033 2007-02-01  Richard Guenther  <rguenther@suse.de>
8034
8035         PR middle-end/30656
8036         * fold-const.c (fold_negate_expr): Allow negating a
8037         constant if overflow does not change.
8038
8039 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8040
8041         * doc/c-tree.texi (Expression trees): Improve markup.
8042         * doc/tm.texi (Register Classes, Addressing Modes)
8043         (Floating Point): Fix spacing after abbreviations.  Fix some
8044         typos.
8045
8046 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8047
8048         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8049         * doc/contrib.texi: Likewise.
8050         * doc/install.texi: Likewise.
8051
8052 2007-01-31  Richard Henderson  <rth@redhat.com>
8053             Ian Lance Taylor  <iant@google.com>
8054
8055         * lower-subreg.c: New file.
8056         * rtl.def (CONCATN): Define.
8057         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8058         pass_lower_subreg2.
8059         * emit-rtl.c (update_reg_offset): New static function, broken out
8060         of gen_rtx_REG_offset.
8061         (gen_rtx_REG_offset): Call update_reg_offset.
8062         (gen_reg_rtx_offset): New function.
8063         * regclass.c: Revert patch of 2006-03-05, restoring
8064         reg_scan_update.
8065         (clear_reg_info_regno): New function.
8066         * dwarf2out.c (concatn_loc_descriptor): New static function.
8067         (loc_descriptor): Handle CONCATN.
8068         * common.opt (fsplit_wide_types): New option.
8069         * opts.c (decode_options): Set flag_split_wide_types when
8070         optimizing.
8071         * timevar.def (TV_LOWER_SUBREG): Define.
8072         * rtl.h (gen_reg_rtx_offset): Declare.
8073         (reg_scan_update): Declare.
8074         * regs.h (clear_reg_info_regno): Declare.
8075         * tree-pass.h (pass_lower_subreg): Declare.
8076         (pass_lower_subreg2): Declare.
8077         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8078         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8079         -fsplit-wide-types.
8080         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8081         * Makefile.in (OBJS-common): Add lower-subreg.o.
8082         (lower-subreg.o): New target.
8083
8084 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8085
8086         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8087
8088 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8089
8090         PR target/19087
8091         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8092
8093 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8094
8095         PR middle-end/29335
8096         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8097
8098 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8099
8100         * cfgloop.h: Include vec-prim.h.
8101         (enum li_flags): Remove LI_ONLY_OLD.
8102         (loop_iterator): Changed.
8103         (fel_next, fel_init): Iterate over loop tree.
8104         (FOR_EACH_LOOP_BREAK): New macro.
8105         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8106         FOR_EACH_LOOP.
8107         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8108         * modulo-sched.c (sms_schedule): Ditto.
8109         * tree-vectorizer.c (vectorize_loops): Ditto.
8110         * doc/loop.texi: Update information on loop numbering and behavior of
8111         FOR_EACH_LOOP wrto new loops.
8112         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8113         add_to_evolution_1): Test nestedness of loops instead of comparing
8114         their numbers.
8115         * tree-chrec.c (chrec_fold_plus_poly_poly,
8116         chrec_fold_multiply_poly_poly, chrec_evaluate,
8117         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8118         reset_evolution_in_loop): Ditto.
8119         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8120
8121 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8122
8123         * c-common.c (warn_about_parentheses): Separate warning about
8124         un-parenthized sequence of comparison operators from the one
8125         which is supposed to warn about x <= y <= z.
8126
8127 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8128
8129         * optabs.h (enum optab_index): Add new OTI_isinf.
8130         (isinf_optab): Define corresponding macro.
8131         * optabs.c (init_optabs): Initialize isinf_optab.
8132         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8133         patterns.
8134         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8135         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8136         using isinf_optab.
8137         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8138         expand_builtin_interclass_mathfn.
8139         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8140         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8141         (fxam<mode>2_i387): New insn pattern.
8142         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8143         built-in functions as x87 inline asm.
8144
8145 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8146
8147         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8148
8149 2007-01-30  Eric Christopher  <echristo@apple.com>
8150
8151         * config.gcc: Add geode.
8152
8153 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8154
8155         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8156         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8157         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8158         value-prof.c: Fix comment typos.
8159
8160 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8161
8162         PR c++/24745
8163         * doc/invoke.texi (Wpointer-arith): Document warning.
8164
8165 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8166
8167         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8168         the list of discrepancies from the draft TR.
8169
8170 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8171
8172         PR c++/30601
8173         * doc/invoke.texi (-Wreturn-type): Update description to
8174         match new behavior.
8175
8176 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8177
8178         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8179
8180 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8181
8182         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8183         to handle optabs that operate on floating point input argument and
8184         output to integer output.
8185         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8186         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8187         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8188         expand_builtin_interclass_mathfn ().
8189         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8190         (ilogbsi2): Remove.
8191         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8192         ilogbl built-in functions as x87 intrinsics.
8193
8194 2007-01-30  Richard Guenther  <rguenther@suse.de>
8195
8196         PR middle-end/27657
8197         * dwarf2out.c (reference_to_unused): Query varpool if the
8198         variable was output.
8199
8200 2007-01-30  Richard Guenther  <rguenther@suse.de>
8201
8202         PR middle-end/30313
8203         * passes.c (execute_one_pass): Reset in_gimple_form to not
8204         confuse non-unit-at-a-time mode.
8205
8206 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8207             Richard Guenther  <rguenther@suse.de>
8208
8209         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8210         avoid undefined behaviour on overflow.  Use force_fit_type_double
8211         to construct the constant with the specified TREE_OVERFLOW.
8212
8213 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8214
8215         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8216         * config/dfp-bit.h: Ditto.
8217
8218 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8219
8220         * c-decl.c (pop_scope): Replace warnings with call to
8221         warn_for_unused_label.
8222         * c-common.h (warn_for_unused_label): Declare.
8223         * c-common.c (warn_for_unused_label): Define.
8224
8225 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8226
8227         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8228         function.
8229
8230 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8231
8232         * Makefile.in (USER_H): Remove decfloat.h.
8233         * ginclude/decfloat.h: Delete, moving contents to ...
8234         * ginclude/float.h: Add support for decimal floating point,
8235         guarded by __STDC_WANT_DEC_FP__.
8236
8237 2007-01-29  Mike Stump  <mrs@apple.com>
8238
8239         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8240         Analysis and Representation to resolve case insensitive conflict.
8241         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8242
8243 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8244
8245         * tree.h (struct tree_memory_tag): Add aliases member.
8246         (MTAG_ALIASES): New macro.
8247         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8248         (add_may_alias): Remove pointer-set. Update for may_aliases being
8249         a bitmap.
8250         (mark_aliases_call_clobbered): Update for may_aliases being a
8251         bitmap.
8252         (compute_tag_properties): Ditto.
8253         (create_partition_for): Ditto.
8254         (compute_memory_partitions): Ditto.
8255         (dump_may_aliases_for): Ditto.
8256         (is_aliased_with): Ditto.
8257         (add_may_alias_for_new_tag): Ditto.
8258         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8259         (compute_is_aliased): New function.
8260         (compute_may_aliases): Call compute_is_aliased).
8261         (init_alias_info): Initialize alias_bitmap_obstack.
8262         (union_alias_set_into): New function.
8263         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8264         (have_common_aliases_p): Rewrite to take two bitmaps and use
8265         intersection.
8266         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8267         Update for bitmaps.
8268         (finalize_ref_all_pointers): Update for add_may_alias changes.
8269         (new_type_alias): Ditto.
8270         * tree-flow-inline.h (may_aliases): Return a bitmap.
8271         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8272         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8273         may_aliases being a bitmap.
8274         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8275         may_aliases now returns a bitmap.
8276         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8277         being a bitmap.
8278         * tree-ssa-operands.c (add_virtual_operand): Update for
8279         may_aliases being a bitmap.
8280
8281 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8282
8283         PR tree-optimization/30630
8284         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8285         variable as changed.
8286
8287 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8288
8289         PR c++/28266
8290         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8291         expanded only once even if an error occurs.
8292
8293 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8294
8295         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8296         (__gcov_average_profiler): Likewise.
8297         (__gcov_ior_profiler): Likewise.
8298         (__gcov_merge_ior): Likewise.
8299
8300 2007-01-28  Jan Hubicka  <jh@suse.cz>
8301
8302         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8303         * value-prof.c (stringop_block_profile): Likewise.
8304
8305 2007-01-28  Jan Hubicka  <jh@suse.cz>
8306
8307         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8308         variant handling histograms; add wrapper.
8309         (clear_storage_via_libcall): Export.
8310         (emit_block_move_hints): Break out from ...; add histograms.
8311         (emit_block_move): ... this one.
8312         (clear_storage_hints): Break out from ...; add histograms.
8313         (clear_storage): ... this one.
8314         (set_storage_via_memset): Handle histogram.
8315         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8316         (clear_storage_hints, clear_storage_via_libcall): Declare.
8317         (set_storage_via_setmem): Update prototype.
8318         * doc/md.texi (movmem, setmem): Document new arguments.
8319
8320         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8321         new histograms.
8322         (stringop_block_profile): New global function.
8323         (tree_stringops_values_to_profile): Profile block size and alignment.
8324         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8325         HIST_TYPE_IOR.
8326         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8327         (stringop_block_profile): Declare.
8328         * builtins.c: Include value-prof.h.
8329         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8330         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8331         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8332         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8333         * profile.c (instrument_values): Add new counters.
8334         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8335         calls.
8336         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8337         (tree_init_edge_profiler): Build new profilers.
8338         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8339         (pass_tree_profile): Add dump.
8340         (tree_profile_hooks): Update.
8341         * Makefile.in (LIBGCOV): Add new constants.
8342         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8343         __gcov_ior_profiler): New.
8344         * i386.md (movmem/setmem expanders): Add new optional arguments.
8345
8346 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8347
8348         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8349
8350 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8351
8352         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8353         (tree_unswitch_single_loop): Pass eni_size_weights to
8354         tree_num_loop_insns.
8355         * tree-ssa-loop-manip.c: Include tree-inline.h.
8356         (can_unroll_loop_p): Pass eni_size_weights to
8357         tree_num_loop_insns.
8358         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8359         Pass eni_size_weights to estimate_num_insns.
8360         * tree.h (init_inline_once): Export.
8361         * toplev.c (backend_init): Call init_inline_once.
8362         * cgraphunit.c (cgraph_process_new_functions,
8363         cgraph_analyze_function): Pass eni_inlining_weights to
8364         estimate_num_insns.
8365         * ipa-inline.c (compute_inline_parameters): Ditto.
8366         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8367         to estimate_num_insns.
8368         (try_unroll_loop_completely): Pass eni_size_weights to
8369         tree_num_loop_insns.
8370         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8371         ot estimate_num_insns.
8372         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8373         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8374         * tree-inline.c (eni_inlining_weights, eni_size_weights,
8375         eni_time_weights): New variables.
8376         (init_inline_once): Initialize them.
8377         (struct eni_data): Mew.
8378         (estimate_num_insns_1, estimate_num_insns): Use weights.
8379         * tree-inline.h (struct eni_weights_d): New.
8380         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8381         (estimate_num_insns): Declaration changed.
8382         * cfgloop.h (tree_num_loop_insns): Declaration changed.
8383         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8384         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8385
8386 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8387
8388         * tree-data-ref.c (conflict_fn): Assert that the number of affine
8389         relations in the conflict function is valid.
8390
8391 2007-01-27  Ian Lance Taylor  <iant@google.com>
8392
8393         * common.opt: Add fstrict-overflow.
8394         * opts.c (decode_options): Set flag_strict_overflow if -O2.
8395         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8396         (TYPE_OVERFLOW_UNDEFINED): Define.
8397         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
8398         Replace all uses.
8399         * tree.h (TYPE_TRAP_SIGNED): Don't define.
8400         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8401         (fold_negate_expr): Likewise.
8402         (make_range): Likewise.
8403         (extract_muldiv_1): Likewise.
8404         (maybe_canonicalize_comparison): Likewise.
8405         (fold_comparison): Likewise.
8406         (fold_binary): Likewise.
8407         (tree_expr_nonnegative_p): Likewise.
8408         (tree_expr_nonzero_p): Likewise.
8409         * tree-vrp.c (compare_values): Likewise.
8410         (extract_range_from_binary_expr): Likewise.
8411         (extract_range_from_unary_expr): Likewise.
8412         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8413         Likewise.
8414         (nowrap_type_p): Likewise.
8415         * tree-scalar-evolution.c (simple_iv): Likewise.
8416         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8417         (build_range_check): Likewise.
8418         (extract_muldiv_1): Likewise.
8419         (fold_comparison): Likewise.
8420         * tree-vrp.c (vrp_int_const_binop): Likewise.
8421         (extract_range_from_unary_expr): Likewise.
8422         * convert.c (convert_to_integer): Likewise.
8423         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8424         (fold_comparison): Likewise.
8425         (fold_binary): Likewise.
8426         * optabs.c (optab_for_tree_code): Likewise.
8427         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8428         * simplify-rtx.c (simplify_const_relational_operation): Check
8429         flag_strict_overflow and flag_trapv.
8430         (simplify_const_relational_operation): Likewise.
8431         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8432         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
8433         -fstrict-overflow.
8434
8435 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8436
8437         * tree.c (tree_fold_gcd): Delete.
8438         * tree.h (tree_fold_gcd): Remove prototype.
8439         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8440         test whether one constant integer is a multiple of another.  Instead
8441         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8442         * fold-const.c (multiple_of_p):  We've determined both TOP and
8443         BOTTOM are integer constants so we can call int_const_binop directly
8444         instead of the more generic const_binop.
8445
8446 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8447
8448         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8449         1*X check that the constant hasn't overflowed, to preserve the
8450         TREE_OVERFLOW bit.
8451         (round_up): Provide an efficient implementation when rouding-up an
8452         INTEGER_CST to a power-of-two.
8453
8454 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8455
8456         * doc/sourcebuild.texi: Add comma for clarity.
8457         * doc/extend.texi: Fix some typos.
8458         * doc/passes.texi: Likewise.
8459         * doc/cppinternals.texi: Likewise.
8460         * doc/c-tree.texi: Likewise.
8461         * doc/tree-ssa.texi: Likewise.
8462         * doc/install.texi: Likewise.
8463
8464 2007-01-27  Jan Hubicka  <jh@suse.cz>
8465
8466         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8467         (pass_sra): Do not require alias information.
8468         * passes.c (init_optimization_passes): Add SRA
8469
8470 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
8471
8472         * tracer.c (rest_of_handle_tracer): We already cleaned
8473         up the CFG in tracer() so don't do it here again.
8474         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8475         cleanup_cfg here, either.  And don't call renumber_insns.
8476
8477         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8478         and BB_HEAD are in the insn stream here.  Instead make sure
8479         that BB_INSN is valid on all insns.  Also, do check here that
8480         there are no pending branch predictions...
8481         (rtl_verify_flow_info): ...instead of doing it here.  Checks
8482         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8483         here.
8484
8485 2007-01-26  Roger Sayle  <roger@eyesopen.com>
8486
8487         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8488         function to simplify/factorize operand order canonicalization.
8489         (ix86_fixup_binary_operands): Reorganize using the above function.
8490         (ix86_binary_operator_ok): Likewise.
8491
8492 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
8493
8494         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8495         file scope from optimize_attrs.
8496         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8497         up search.
8498         (optimize_attrs): Clear insn_code_values after freeing it.
8499
8500 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8501
8502         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8503         a parts.base assignment.
8504
8505 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8506
8507         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8508         (compute_subscript_distance, initialize_data_dependence_relation,
8509         finalize_ddr_dependent, analyze_ziv_subscript,
8510         analyze_siv_subscript_cst_affine,
8511         compute_overlap_steps_for_affine_univar,
8512         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8513         analyze_siv_subscript, analyze_miv_subscript,
8514         analyze_overlapping_iterations, subscript_dependence_tester_1,
8515         compute_self_dependence, free_dependence_relation): Work
8516         with affine_fn instead of chrecs.
8517         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8518         common_affine_function, affine_function_base,
8519         affine_function_constant_p, affine_fn_op, affine_fn_plus,
8520         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8521         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8522         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8523         (all_chrecs_equal_p): Removed.
8524         * tree-data-ref.h (affine_fn, conflict_function): New types.
8525         (struct subscript): Change type of conflicting_iterations_in_a
8526         and conflicting_iterations_in_b.
8527
8528 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
8529
8530         PR other/30182
8531         * config/pa/pa.h (TARGET_HPUX_11): New.
8532         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8533         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8534
8535 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
8536         Richard Guenther  <rguenther@suse.de>
8537
8538         * tree-ssa-structalias.c (solve_graph): Handle case
8539         we merged the variable to another.
8540
8541 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8542
8543         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8544         functions.
8545
8546         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8547         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8548
8549 2007-01-25  DJ Delorie  <dj@redhat.com>
8550
8551         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8552         allow changes to modes which don't fit in those registers.
8553
8554         * reload1.c (choose_reload_regs): Check for invalid subregs before
8555         computing their locations, not after.
8556
8557 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
8558
8559         PR 25127
8560         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8561         save Altivec registers in an eh_return function.
8562         (compute_vrsave_mask): Likewise.
8563         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8564         for saving Altivec registers.
8565         (rs6000_emit_prologue): Don't allocate stack twice in
8566         eh_return function.  Correct expected value of altivec_save_offset
8567         when using save_world.  Describe save of R0 to stack when using
8568         save_world.  Describe stack pointer adjustment when using
8569         save_world.  Remove duplicated eh_return parameter register saving.
8570         Update sp_offset variable after save_world.
8571         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8572         darwin-world.asm.
8573         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8574         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8575         implies Altivec.
8576
8577 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8578
8579         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8580
8581 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8582
8583         PR other/30182
8584         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8585         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8586
8587 2007-01-25  Richard Guenther  <rguenther@suse.de>
8588
8589         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8590         * common.opt (-Wcoverage-mismatch): New warning option.
8591         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8592         if -Wcoverage-mismatch is given.
8593
8594 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8595
8596         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8597         (ipcp_driver): Change to static definition.
8598         Add dumping of the ifunctions.
8599         (constant_val_insert): Remove unused parameter. Support for SSA.
8600         (ipcp_propagate_const): Support for SSA.
8601         (ipcp_profile_bb_print): Print only analyzed nodes.
8602         (ipcp_replace_map_create): Remove support for Fortran constant
8603         for now.
8604         * ipa-prop.c (ipa_method_modify_stmt,
8605         ipa_callsite_compute_param): Support for SSA.
8606         * ipa-prop.h (ipcp_driver): Remove declaration.
8607         (IS_VALID_TREE_MAP_INDEX): Add define.
8608
8609 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8610
8611         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8612
8613 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8614
8615         PR middle-end/30447
8616         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8617         constant argument to cabs and do it without checking for
8618         -funsafe-math-optimizations.
8619
8620 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8621
8622         * c-common.h (RID_FIRST_CXX0X): New.
8623         (RID_LAST_CXX0X): New.
8624         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8625         by -Wall.
8626         * c.opt (Wc++0x-compat): New.
8627         * doc/invoke.texi (-Wc++0x-compat): Document.
8628
8629 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8630
8631         * builtins.c (fold_builtin_carg): New.
8632         (fold_builtin_1): Use it.
8633
8634 2007-01-24  Jan Hubicka  <jh@suse.cz>
8635
8636         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8637
8638         * ipa-inline.c (initial_insns, max_insns): Delete.
8639         (compute_max_insns): New function.
8640         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8641         of insns as base for code growth.
8642         (cgraph_decide_inlining): Make initial_insns local; do not compute
8643         max_insns.
8644         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8645         * doc/invoke.texi (inline-unit-growth): Update docs.
8646
8647 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8648
8649         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8650         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8651         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8652         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8653         for CPUs that have PTA_CX16 set.
8654
8655         PR middle-end/27416
8656         * gimplify.c (omp_check_private): New function.
8657         (gimplify_scan_omp_clauses): Use it for
8658         firstprivate/lastprivate/reduction.
8659
8660         PR middle-end/30494
8661         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8662         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8663
8664         PR middle-end/30421
8665         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8666         If lower_lastprivate_clauses emits some statements, append them
8667         to dlist rather than body_p and to body_p append an initializer.
8668         (lower_omp_for): Adjust caller.
8669
8670 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8671
8672         * target.h (globalize_decl_name): New.
8673         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8674         * output.h (default_globalize_decl_name): New.
8675         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8676         globalize_label.
8677         (globalize_decl): Ditto.
8678         (default_globalize_decl_name): New.
8679         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8680         (ia64_handle_version_id_attribute): New.
8681         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8682         (ia64_asm_output_external): Use globalize_decl_name instead
8683         of globalize_label.
8684         * doc/extend.texi (version_id): New pragma.
8685         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8686
8687 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8688
8689         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8690         _uleb128_t and _Unwind_SWord with _sleb128_t.
8691         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8692         uw_frame_state_for, uw_update_context_1): Likewise.
8693         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8694         * unwind-pe.h (read_uleb128, read_sleb128,
8695         read_encoded_value_with_base): Likewise.
8696         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8697
8698 2007-01-24  Richard Guenther  <rguenther@suse.de>
8699
8700         * builtins.c (expand_builtin_cexpi): Get the fndecl
8701         for cexp in the correct way.
8702
8703 2007-01-24  Jan Hubicka  <jh@suse.cz>
8704
8705         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8706
8707 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8708
8709         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8710         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8711         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8712         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8713         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8714         __SIZEOF_PTRDIFF_T__.
8715         * doc/cpp.texi: Documentation for the new builtin macros added.
8716
8717 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8718
8719         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8720         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8721         instead of operands[2] to avoid access past the end of array.
8722
8723 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8724
8725         * reload1.c (emit_reload_insns): Pass the reload register
8726         for a non-spill output reload through forget_old_reloads_1.
8727
8728 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8729
8730         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8731         _SOFT_DOUBLE if doubles use software floating-point.
8732         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8733         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8734         * config/rs6000/darwin-ldouble.c: Also compile functions for
8735         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8736         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8737         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8738         commented-out long double override.
8739         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8740         * config/rs6000/eabispe.h: Likewise.
8741         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8742         long double for non-SPE.
8743         (rs6000_handle_option): Likewise.
8744         (invalid_e500_subreg): Disallow more subregs involding DImode,
8745         DFmode, TImode or TFmode.
8746         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8747         E500 double.
8748         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8749         double.
8750         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8751         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8752         double.
8753         (rs6000_legitimate_address): Also check for TFmode for E500
8754         double.
8755         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8756         (spe_build_register_parallel): Handle TFmode and TCmode.
8757         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8758         double.
8759         (function_arg): Handle TFmode and TCmode for E500 double.
8760         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8761         in general.
8762         (print_operand): Handle TFmode and TImode for %y.
8763         (rs6000_generate_compare): Handle TFmode comparisons for E500
8764         double.
8765         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8766         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8767         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8768         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8769         TFmode for E500 double.
8770         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8771         (floatsidf2): Enable for E500 double.
8772         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8773         (extenddftf2): Change to extenddftf2_fprs.
8774         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8775         depending on TARGET_E500_DOUBLE.
8776         (extendsftf2): Enable for E500 double.
8777         (trunctfdf2): Enable for E500 double.
8778         (trunctfsf2): Change to trunctfsf2_fprs.
8779         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8780         depending on TARGET_E500_DOUBLE.
8781         (floatsitf2): Enable for E500 double.
8782         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8783         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8784         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8785         (negtf2): Change to negtf2_internal.
8786         (negtf2): New expander.
8787         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8788         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8789         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8790         (movdi_internal32): Use rs6000_nonimmediate_operand.
8791         (unnamed splitter): Likewise.
8792         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8793         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8794         (SPE64TF, DITI): New mode macros.
8795         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8796         modes.
8797         (frob_tf_ti): New.
8798         (frob_<mode>_di_2): New.
8799         (frob_tf_di_8_2): New.
8800         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8801         (frob_ti_tf): New.
8802         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8803         more modes.
8804         (frob_ti_<mode>_8_2): New.
8805         (frob_ti_tf_2): New.
8806         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8807         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8808         TFmode.
8809         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8810         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8811         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8812         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8813         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8814         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8815         tsttflt_gp): New.
8816
8817 2007-01-23  Ian Lance Taylor  <iant@google.com>
8818
8819         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8820         insn-*.o first.
8821         (OBJS-archive): Reformat, alphabetize.
8822         (OBJS): Change out_object_file to OBJS-md.
8823
8824 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8825
8826         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8827         JUMP_P and CALL_P predicates where applicable.
8828         * config/i386/i386.c: Ditto.
8829         * config/i386/i386.md: Ditto.
8830         * config/i386/mmx.md: Ditto.
8831         * config/i386/predicates.md: Ditto.
8832
8833 2007-01-22  Andreas Schwab  <schwab@suse.de>
8834
8835         * config/m68k/m68k.h: Fix comment.
8836
8837 2007-01-22  Jan Hubicka  <jh@suse.cz>
8838
8839         * passes.c (init_optimization_passes): Do not rerun
8840         pass_early_warn_uninitialized.
8841
8842 2007-01-22  Richard Guenther  <rguenther@suse.de>
8843
8844         PR tree-optimization/30038
8845         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8846         function.
8847         (execute_cse_sincos_1): Likewise.
8848         (execute_cse_sincos): Likewise.
8849         (gate_cse_sincos): Likewise.
8850         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8851         the cexpi() canonicalization of sincos().
8852         * tree-pass.h (pass_cse_sincos): Declare.
8853         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8854
8855 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8856
8857         PR rtl-optimization/29329
8858         * combine.c (replaced_rhs_insn): Rename to i2mod.
8859         (replaced_rhs_value): Rename to i2mod_new_rhs.
8860         (i2mod_old_rhs): New global variable.
8861         (combine_instructions): Adjust for above change.  Save a copy of
8862         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8863         note are substituted in the second instruction.
8864         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8865         ditch the note if it pertains to the second eliminated register
8866         and this register is mentioned in i2mod_old_rhs.
8867
8868         Revert:
8869         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8870
8871         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8872         the insn to which the note was originally attached.
8873
8874 2007-01-21  Jan Hubicka  <jh@suse.cz>
8875
8876         * ipa-inline.c (inlining_mode): Comment, move up.
8877         (cgraph_decide_inlining_incrementally): Do not perform inlining
8878         itself; fix handling of flattening of self recursive functions.
8879         (cgraph_find_cycles): Remove.
8880         (cgraph_flatten_node): Remove.
8881         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8882         (try_inline): New function.
8883         (cgraph_early_inlining): Update call of
8884         cgraph_decide_inlining_incrementally.  Apply inlining here.
8885         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8886
8887 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8888
8889         PR bootstrap/30511
8890         * tree-vrp.c (check_array_bounds): do not warn
8891         about ADDR_EXPR's of ARRAY_REF's which are immediately
8892         used in binary expressions.
8893
8894 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8895
8896         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8897         read_write_dep and macros for its access.
8898         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8899         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8900         argument, call vect_check_interleaving for every independent pair of
8901         data-refs. Mark loads that access the same memory location as a store
8902         in the loop.
8903         (vect_check_dependences): Remove.
8904         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8905         call, fix the call to vect_analyze_data_ref_dependence.
8906         (vect_analyze_data_ref_access): For statements that access the same
8907         data-ref, check that they are not stores; for loads, check that there
8908         is no store that access the same location.
8909
8910 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8911             Joseph Myers  <joseph@codesourcery.com>
8912
8913         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8914         (-fdump-rtl-stack): Likewise.
8915         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8916         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8917         (-mpt-fixed): Use @minus{} for minus sign.
8918         (Using Precompiled Headers): Fix under/overfull hbox.
8919
8920 2007-01-20  Jan Hubicka  <jh@suse.cz>
8921
8922         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8923         place within annotation.
8924
8925 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8926
8927         * pa.c (output_move_double): Change array size of xoperands to 4.
8928
8929 2007-01-20  Jan Hubicka  <jh@suse.cz>
8930
8931         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8932         as temporary.
8933
8934 2007-01-19  Ian Lance Taylor  <iant@google.com>
8935
8936         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8937         constant to unsigned HOST_WIDE_INT before negating.
8938
8939 2007-01-19  Ian Lance Taylor  <iant@google.com>
8940
8941         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8942         to unsigned.
8943         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8944         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8945         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8946         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8947         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8948         (realloc_vdef, realloc_vuse): Change second parameter to
8949         unsigned.
8950         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8951         fields to unsigned.
8952         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8953         unsigned. Change x and lim locals to unsigned.
8954         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8955         unsigned.
8956         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8957         (copy_virtual_operands): Change i and n locals to unsigned.
8958
8959 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8960
8961         PR middle-end/29335
8962         * builtins.c (fold_builtin_1): Handle builtin fdim.
8963
8964 2007-01-20  Jan Hubicka  <jh@suse.cz>
8965
8966         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8967         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8968         init_alias_heapvars.
8969         (init_alias_heapvars): Initialize only when not already initialized.
8970         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8971
8972 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8973
8974         * common.opt (fsigned-zeros): New command line option.
8975         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8976         of flag_unsafe_math_optimizations.
8977         * opts.c (set_fast_math_flags): The -ffast-math command line option
8978         implies -fno-signed-zeros.
8979         (fast_math_flags_set_p): Likewise.
8980
8981         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8982         the documentation of -ffast-math appropriately.  Wrap long lines.
8983
8984 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8985
8986         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8987         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8988
8989 2007-01-19  Tomas Bily  <tbily@suse.cz>
8990
8991         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8992         * tree-profile.c:
8993         (tree_init_ic_make_global_vars): New function
8994         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8995         (tree_gen_ic_profiler): New function
8996         (tree_gen_ic_func_profiler): New function
8997         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8998         (tree_profile_hooks): Added hook for indirec/virtual calls
8999         * value-prof.c (tree_find_values_to_profile): New case for
9000         indirect calls
9001         (tree_values_to_profile): Call for determining indirect/virtual
9002         counters
9003         (tree_indirect_call_to_profile): New function
9004         (tree_ic_transform): New function
9005         (tree_ic): New function
9006         (find_func_by_pid): New function
9007         (init_pid_map): New function
9008         (tree_value_profile_transformations): Added check for
9009         indirect/virtual call transformation
9010         * value-prof.h (enum hist_type): New counter type for
9011         indirect/virtual calls
9012         (profile_hooks): Added new hook for profiling indirect/virtual
9013         calls
9014         * profile.c (instrument_values): New case for indirect/virtual
9015         call added
9016         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9017         (GCOV_COUNTER_V_INDIR): New counter type
9018         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9019         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9020         call added
9021         * cgraph.c: Definition of cgraph_max_pid
9022         (cgraph_create_node): Default init of pid attribute
9023         * cgraph.h: Declaration of cgraph_max_pid
9024         (struct cgraph_node): Added pid attribute
9025         * libgcov.c (__gcov_indirect_call_profiler): New function
9026         (__gcov_one_value_profiler_body): New function
9027         (__gcov_one_value_profiler): Body was moved to
9028         __gcov_one_value_profiler_body and calls it
9029
9030 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9031
9032         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9033         * gengtype.c (write_types_data, write_func_for_structure,
9034         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9035         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9036         (walk_type, write_func_for_structure): Generate the mark_hook if
9037         needed.
9038
9039 2007-01-19  Jan Hubicka  <jh@suse.cz>
9040
9041         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9042         'early' argument take inlining mode argument specifying whether to
9043         inline for size/speeed or all functions; add support for flattening;
9044         improve dumpting.
9045         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9046
9047 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9048
9049         PR c++/17947
9050         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9051         the name of the declared identifier.
9052
9053 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9054
9055         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9056         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9057         duplicate evaluation.
9058
9059 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9060
9061         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9062         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9063         to XFMode, use acosxf2 and truncate result to requested mode.
9064         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9065         (asin<mode>2): Similarly, with asin expanders.
9066         (*fscalexf4_i387): Rename from *fscalexf4.
9067         (expNcorexf3): New expander.
9068         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9069         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9070         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9071         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9072         patterns for SSE math.
9073         (exp10<mode>2): Similarly, with exp10 expanders.
9074         (exp2<mode>2): Similarly, with exp2 expanders.
9075         (expm1<mode>2): Similarly, with expm1 expanders.
9076         (ldexp<mode>3): Similarly, with ldexp expanders.
9077         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9078         Use gen_truncxf<mode>2_i387_noop to truncate result.
9079
9080 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9081
9082         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9083         for ColdFire targets.
9084
9085 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9086             Richard Sandiford  <richard@codesourcery.com>
9087
9088         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9089         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9090         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9091         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9092         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9093         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9094
9095 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9096
9097         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9098         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9099         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9100         (*adddi_dilshr32_cf): New pattern.
9101         (adddi3, subdi3): Remove first alternatives.
9102
9103 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9104
9105         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9106         implemented using move.l, do not use its cc result for floating-point
9107         comparisons.
9108
9109 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9110
9111         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9112         from accepting 's' constraints if flag_pic.
9113
9114 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9115
9116         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9117         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9118         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9119         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9120
9121 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9122
9123         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9124         ColdFire alternatives.
9125         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9126         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9127         architectures that support ff1 instruction.
9128
9129 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9130             Julian Brown  <julian@codesourcery.com>
9131
9132         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9133         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9134         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9135         Add commentary.
9136
9137 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9138
9139         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9140         and return a bool.
9141         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9142         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9143         HOST_WIDE_INT instead of an rtx.
9144         (m68k_rtx_costs): Update call accordingly.
9145         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9146         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9147         Return a bool.
9148         (output_move_simode_const): Update calls after above changes.
9149         Rework to use automatic variables and predicates like MEM_P.
9150         * config/m68k/m68k.md (pushexthisi_const): Update call to
9151         valid_mov3q_const.
9152
9153 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9154
9155         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9156         in dump_flags test.
9157
9158 2007-01-19  Richard Guenther  <rguenther@suse.de>
9159
9160         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9161         via cexp in case sincos is not available.
9162
9163 2007-01-19  Richard Guenther  <rguenther@suse.de>
9164
9165         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9166         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9167         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9168         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9169         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9170         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9171         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9172         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9173
9174 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9175
9176         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9177         New insn patterns.
9178         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9179         (atan2xf3): Directly generate RTL pattern.
9180         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9181         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9182         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9183         disable patterns for SSE math.
9184         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9185         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9186         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9187         disable patterns for SSE math.
9188
9189 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9190
9191         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9192
9193 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9194
9195         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9196         VIEW_CONVERT_EXPR to the same type as it's operand.
9197
9198 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9199
9200         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9201         configured for long double 128.
9202
9203 2007-01-18  Mike Stump  <mrs@apple.com>
9204
9205         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9206         error.
9207
9208 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9209
9210         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9211         type correct.
9212
9213 2007-01-18  Jan Hubicka  <jh@suse.cz>
9214
9215         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9216         greater than NUM_VOP_FREE_BUCKETS.
9217
9218 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9219
9220         * tree-ssa-structalias.c: Update comments.
9221         (ptabitmap_obstack): Removed.
9222         (pta_obstack): New.
9223         (oldpta_obstack): Ditto.
9224         (stats): Add a few members.
9225         (struct variable_info): Remove node, complex, address_taken, and
9226         indirect_target members. Add oldsolution member.
9227         (new_var_info): Do not initialize removed members.
9228         (constraint_expr_type): Remove INCLUDES.
9229         (constraint_graph): Add size, implicit_preds, rep,
9230         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9231         (FIRST_REF_NODE): New macro.
9232         (LAST_REF_NODE): Ditto.
9233         (FIRST_ADDR_NODE): Ditto.
9234         (find): New function.
9235         (unite): Ditto.
9236         (dump_constraint): Do not handle INCLUDES.
9237         (insert_into_complex): Do not insert duplicate constraints.
9238         (condense_varmap_nodes): Renamed and rewritten into ...
9239         (merge_node_constraints): This. Also fix bug in handling of
9240         offseted copy constraints.
9241         (clear_edges_for_node): No longer need to deal with preds at all,
9242         or removing associated preds/succs.
9243         (merge_graph_nodes): Deal with indirect_cycles.
9244         Don't deal with predecessors.
9245         (add_implicit_graph_edge): New function.
9246         (add_pred_graph_edge): Ditto.
9247         (add_graph_edge): Don't deal with predecessors.
9248         (build_constraint_graph): Removed.
9249         (build_pred_graph): New function.
9250         (build_succ_graph): Ditto.
9251         (struct scc_info): Removed in_component. Added roots, dfs, and
9252         node_mapping. Remove visited_index, unification_queue.
9253         (scc_visit): Deal with union-find we do now.
9254         Deal with cycles with REF nodes.
9255         (collapse_nodes): Renamed and rewritten to ...
9256         (unify_nodes): This.
9257         (process_unification_queue): Removed.
9258         (topo_visit): Cleanup
9259         (do_da_constraint): Use find.
9260         (do_sd_constraint): Ditto.
9261         (do_ds_constraint): Ditto.
9262         (do_complex_constraint): Ditto.
9263         (init_scc_info): Update for removed and added members.
9264         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9265         (find_indirect_cycles): This.
9266         (equivalence_class): New variable.
9267         (label_visit): New function.
9268         (perform_variable_substitution): Rewritten.
9269         (free_var_substitution_info): New function.
9270         (find_equivalent_node): Ditto.
9271         (move_complex_constraints): Ditto.
9272         (eliminate_indirect_cycles): Ditto.
9273         (solve_graph): Only propagate changed bits.
9274         Use indirect cycle elimination.
9275         Use find.
9276         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9277         (tree_id_eq): Renamed to ...
9278         (tree_vi_eq): This. Update for member change
9279         (insert_id_for_tree): Renamed and rewritten to ...
9280         (insert_vi_for_tree): This.
9281         (lookup_id_for_tree): Renamed and rewritten to ...
9282         (lookup_vi_for_tree): This.
9283         (get_id_for_tree): Renamed and rewritten to ...
9284         (get_vi_for_tree): Ditto.
9285         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9286         (process_constraint): Don't handle INCLUDES.
9287         Remove special ADDRESSOF case.
9288         (find_func_aliases): Rewrite to use vi functions instead of id
9289         ones.
9290         (create_function_info_for): Ditto.
9291         (create_variable_info_for): Ditto.
9292         (intra_create_variable_infos): Ditto.
9293         (merge_smts_into): Ditto.
9294         (find_what_p_points_to): Ditto.
9295         (init_base_vars): Ditto.
9296         (init_alias_vars): Ditto.
9297         (remove_preds_and_fake_succs): New function.
9298         (dump_sa_points_to_info): Dump new stats.
9299         (dump_solution_for_var): Use find.
9300         (set_used_smts): Fix formatting.
9301         (compute_points_to_sets): Updated for new functions.
9302         (ipa_pta_execute): Ditto.
9303
9304 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9305             Richard Sandiford  <richard@codesourcery.com>
9306
9307         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9308         parallels.
9309         * calls.c (expand_call): If the return value is a PARALLEL,
9310         extract its first member.
9311         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9312         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9313         use FUNCTION_EXTRA_EPILOGUE.
9314         (m68k_function_value): Return a PARALLEL if the return value
9315         is of a pointer type.
9316         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9317         (FUNCTION_EXTRA_EPILOGUE): Remove.
9318         * config/m68k/m68k.md (D0_REG): New constant.
9319
9320 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9321
9322         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9323         output a NOP for empty epilogues.
9324
9325 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9326
9327         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9328         before function.  Extend register save check to include all
9329         registers, not just integer ones.
9330
9331 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9332
9333         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9334         (m68k_use_return_insn): ...this.
9335         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9336         * config/m68k/m68k.c (use_return_insn): Rename to...
9337         (m68k_use_return_insn): ...this.
9338         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9339         of USE_RETURN_INSN.
9340
9341 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9342
9343         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9344         nearest even, fix denormal rounding overflow.
9345
9346 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9347
9348         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9349         f%$smove and f%$move.
9350         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9351         (extendsfdf2_cf): Use fdmove instead of f%&move.
9352         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9353         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9354
9355 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9356
9357         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9358         GPR<-GPR moves.
9359
9360 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9361
9362         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9363         (coldfire_single_format): Declare.
9364         (coldfire_double_format): Likewise.
9365         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9366         of qnan_msb_set to determine the lower bits of a canonical
9367         NaN significand.
9368         (encode_ieee_double): Likewise.
9369         (encode_ieee_quad): Likewise.
9370         (ieee_single_format): Initialize canonical_nan_lsbs_set.
9371         (mips_single_format): Likewise.
9372         (ieee_double_format): Likewise.
9373         (mips_double_format): Likewise.
9374         (ieee_extended_motorola_format): Likewise.
9375         (ieee_extended_intel_96_format): Likewise.
9376         (ieee_extended_intel_128_format): Likewise.
9377         (ieee_extended_intel_96_round_53_format): Likewise.
9378         (ibm_extended_format): Likewise.
9379         (mips_extended_format): Likewise.
9380         (ieee_quad_format): Likewise.
9381         (mips_quad_format): Likewise.
9382         (vax_f_format): Likewise.
9383         (vax_d_format): Likewise.
9384         (vax_g_format): Likewise.
9385         (i370_single_format): Likewise.
9386         (i370_double_format): Likewise.
9387         (decimal_single_format): Likewise.
9388         (decimal_double_format): Likewise.
9389         (decimal_quad_format): Likewise.
9390         (c4x_single_format): Likewise.
9391         (c4x_extended_format): Likewise.
9392         (real_internal_format): Likewise.
9393         (coldfire_single_format): New real_format.
9394         (coldfire_double_format): Likewise.
9395         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9396         canonical_nan_lsbs_set.
9397         (pdp11_d_format): Likewise.
9398         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9399         if TARGET_COLDFIRE_CPU.
9400
9401 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9402
9403         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9404         (output_call, m68k_legitimize_call_address): Declare.
9405         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9406         parenthesees.  Add support for a 'W' constraint.
9407         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9408         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9409         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9410         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9411         variables.
9412         (override_options): Initialize them.  Do not set flag_no_function_cse
9413         for TARGET_ID_SHARED_LIBRARY.
9414         (m68k_output_pic_call): Delete.
9415         (m68k_legitimize_call_address): New function.
9416         (print_operand): Remove the %o prefix.  Handle the %p prefix.
9417         (output_call): New function.
9418         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
9419         target address from the GOT if symbolic jumps are not allowed.
9420         * config/m68k/m68k.md (call, general_operand): Do not set
9421         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
9422         Merge separate flag_pic and !flag_pic define_insns into...
9423         (*call, *call_value): ...these new patterns.  Match the address
9424         rather than the containing MEM and require it to be a call_operand.
9425         Use output_call to generate the asm template.
9426         * config/m68k/predicates.md (const_call_operand): New predicate.
9427         (call_operand): Likewise.
9428
9429 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9430
9431         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9432         (STACK_GROWS_DOWNWARD): Define to 1.
9433         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9434         comments, emphasizing that these values are only defaults.
9435         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9436         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9437
9438 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9439
9440         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9441
9442 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9443             Richard Sandiford  <richard@codesourcery.com>
9444
9445         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9446         (FP_REGNO_P): New macros.
9447         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9448         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9449         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9450         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9451
9452 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9453
9454         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9455         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9456         to $tmake_file.
9457         * config/m68k/t-floatlib: New file, extracting common code from...
9458         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9459         * config/m68k/t-uclinux: Here.
9460         * config/m68k/fpgnulib.c: Do not compile extendeed precision
9461         routines on ColdFire targets.
9462
9463 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9464
9465         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9466         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9467         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9468         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9469         explicitly set MOTOROLA to 1.
9470         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9471
9472 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9473             Nathan Sidwell  <nathan@codesourcery.com>
9474
9475         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9476         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9477         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9478         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9479         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9480         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9481         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9482         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9483         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9484         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9485         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9486         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9487         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9488         (DBX_REGISTER_NUMBER): Delete.
9489         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9490         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9491         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9492
9493 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9494
9495         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9496         * config/flat.h: New file.
9497         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9498         OBJECT_FORMAT_FLAT.
9499         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9500         indirect references for -msep-data or -mid-shared-library.
9501         Do not use PC-relative code addresses either.
9502         * config/m68k/m68k.c (override_options): Restrict -fPIC error
9503         to -mpcrel.
9504         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
9505         for shared libraries and crt1.o for executables.  Use crti.o and
9506         crtbegin.o.
9507         (ENDFILE_SPEC): Use crtend.o and crtn.o.
9508         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9509         Do not add -elf2flt or -shared-lib-id options here.
9510         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
9511         Pass -shared-lib-id if -mid-shared-library, taking the library
9512         identifier from -mshared-library-id if given, otherwise
9513         defaulting to 0.
9514         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9515         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9516         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9517         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9518         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9519         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9520         and crtend.o.
9521         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9522         jump sequence for ISA A and ISA A+.
9523         (PICJUMP): Likewise.
9524
9525 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9526
9527         * config.gcc (m68k-*-uclinux*): Base the port on the common
9528         and m68k GNU/Linux files rather than on the generic ELF ones.
9529         * config/m68k/uclinux.h (TARGET_VERSION): Override.
9530         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9531
9532 2007-01-18  Julian Brown  <julian@codesourcery.com>
9533             Richard Sandiford  <richard@codesourcery.com>
9534
9535         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9536         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9537         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9538         before redefining.
9539         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9540         80 unconditionally.
9541         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9542
9543 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9544
9545         * doc/install.texi: Document m68k-uclinuxoldabi.
9546         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9547         * config/m68k/uclinux-oldabi.h: New file, copied from
9548         config/m68k/uclinux.h.
9549
9550 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9551
9552         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9553         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9554         (m32r_compute_frame_size): Use unsigned for regno.
9555         (m32r_reload_lr): Use gen_frame_mem.
9556         (pop): New.
9557         (m32r_output_function_epilogue): Don't output the function epilogue
9558         textually here.
9559         (m32r_expand_epilogue): New.
9560         (direct_return): Return false if the function has the interrupt
9561         attribute.
9562         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9563         * config/m32r/m32r.md (epilogue): New expander.
9564         (return_lr, return_rte): New insns.
9565         (return): Make it expander.
9566         (return_normal): New expander.
9567
9568 2007-01-18  Josh Conner  <jconner@apple.com>
9569
9570         PR target/30485
9571         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9572         support for UNLE, UNLT, UNGE, and UNGT.
9573
9574 2007-01-18  Jan Hubicka  <jh@suse.cz>
9575
9576         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9577         * tree-tailcall (add_virtual_phis): Likewise.
9578         (optimize_tail_call): Return TODOs.
9579         (execute_tail_calls): Return TODOs.
9580         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9581         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9582         changed.
9583         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9584         Cleanup cfg using TODO.
9585         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9586         * passes.c (execute_function_todo): When cleanup did something, remove
9587         unused locals.
9588         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9589         (make_edges): Don't cleanup_cfg.
9590
9591 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9592
9593         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9594         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9595         operate on the top of stack.
9596         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9597         register handling of instructions that output to the second
9598         stack slot.
9599         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9600         (move_for_stack_reg): Special-case check for dead destination
9601         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9602
9603         * config/i386/i386.md (UNSPEC_TAN): New constant.
9604         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9605         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9606         to correctly model move of constant 1.0 to top stack slot.
9607         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9608         (unnamed peephole2 pattern): Remove corresponding peephole2
9609         pattern that optimizes tan insn and loading of constant 1.0.
9610         (tanxf2): Use fptanxf4_i387.
9611         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9612         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9613         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9614         disable patterns for SSE math.
9615         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9616         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9617
9618 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9619             Richard Guenther <rguenther@suse.de>
9620
9621         PR diagnostic/8268
9622         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9623         * common.opt (Warray-bounds): Add new warning option.
9624         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9625         if -Wall is given.
9626         * Makefile.in: make tree-vrp.o depend on toplev.h
9627         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9628         is enabled.
9629         (check_array_refs, check_array_bounds, check_array_ref): New.
9630
9631 2007-01-18  Jan Hubicka  <jh@suse.cz>
9632
9633         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9634         (execute_ssa_ccp): Return flags conditionally.
9635         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9636         changed.
9637         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9638
9639 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9640
9641         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9642         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9643
9644         * Makefile.c (GTFILES): Add cfglayout.h.
9645         * gengtype.c (open_base_files): Likewise.
9646         * cfglayout.c (cfg_layout_function_footer,
9647         cfg_layout_function_header) Reindent to make gengtype happy.
9648         * cfglayout.h (cfg_layout_function_footer,
9649         cfg_layout_function_header): Add GTY(()) marker.
9650
9651         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9652
9653 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9654
9655         * genautomata.c (write_automata): Include xstrerror output in the
9656         error message if writing the DFA description file fails.
9657
9658 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9659
9660         * config/mips/mips-protos.h (mips_output_external): Make it
9661         return void.
9662         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9663         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9664         (extern_list): Likewise.
9665         (extern_head): Likewise.
9666         (TARGET_ASM_FILE_END): Likewise.
9667         (mips_file_end): Likewise.
9668         (mips_output_external): Rewritten.
9669
9670 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9671
9672         * genpreds.c (write_insn_preds_c): Only write out the function
9673         body for regclass_for_constraint if we have register constraints.
9674
9675 2007-01-17  Tom Tromey  <tromey@redhat.com>
9676
9677         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9678         * doc/install.texi (Testing): Use sourceware.org.
9679         (Binaries): Likewise.
9680         (Specific): Likewise.
9681         * doc/contrib.texi (Contributors): Use sourceware.org.
9682
9683 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9684
9685         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9686         (AVR_ENHANCED): Rename to ...
9687         (AVR_HAVE_MUL): ... new.
9688         (avr_enhanced_p): Rename to ...
9689         (avr_have_mul_p): ... new.
9690         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9691         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9692         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9693         (avr_have_mul_p): ... new.
9694         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9695         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9696         'avr_enhanced_p' and 'enhanced'.
9697         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9698         AVR_HAVE_MUL instead of AVR_ENHANCED.
9699         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9700         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9701         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9702         instead of AVR_ENHANCED.
9703         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9704         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9705         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9706
9707 2007-01-17  Ian Lance Taylor  <iant@google.com>
9708
9709         * vec.h (VEC_reserve_exact): Define.
9710         (vec_gc_p_reserve_exact): Declare.
9711         (vec_gc_o_reserve_exact): Declare.
9712         (vec_heap_p_reserve_exact): Declare.
9713         (vec_heap_o_reserve_exact): Declare.
9714         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9715         versions.
9716         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9717         negative parameter.
9718         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9719         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9720         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9721         * vec.c (calculate_allocation): Add exact parameter.  Change all
9722         callers.
9723         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9724         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9725         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9726         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9727         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9728         (vec_heap_p_reserve_exact): New function.
9729         (vec_heap_o_reserve_exact): New function.
9730
9731 2007-01-17  Jan Hubicka  <jh@suse.cz>
9732
9733         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9734
9735 2007-01-17  Eric Christopher  <echristo@apple.com>
9736
9737         * config.gcc: Support core2 processor.
9738
9739 2007-01-16  Jan Hubicka  <jh@suse.cz>
9740
9741         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9742         the names, just unlink the chain so we don't crash on dangling pointers
9743         to dead SSA names.
9744
9745 2007-01-16  Jan Hubicka  <jh@suse.cz>
9746
9747         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9748         * tree-pass.h: Reorder to make IPA passes appear toegher.
9749         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9750         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9751         parameters, do not call early inliner.
9752         * ipa-inline.c: Update comments.  Include tree-flow.h
9753         (cgraph_decide_inlining): Do not compute inlining parameters.
9754         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9755         be called with function context set up.
9756         (pass_ipa_inline): Remove unreachable functions before pass.
9757         (cgraph_early_inlining): Simplify assuming to be called from the
9758         PM as local pass.
9759         (pass_early_inline): New pass.
9760         (cgraph_gate_ipa_early_inlining): New gate.
9761         (pass_ipa_early_inline): Turn into simple wrapper.
9762         (compute_inline_parameters): New function.
9763         (gate_inline_passes): New gate.
9764         (pass_inline_parameters): New pass.
9765         (apply_inline): Move here from tree-optimize.c
9766         (pass_apply_inline): New pass.
9767         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9768         transforming.
9769         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9770         doing them by hand.
9771         (tree_function_versioning): Do not allocate dummy struct function.
9772         * tree-inline.h (optimize_inline_calls): Update prototype.
9773         * tree-optimize.c (execute_fixup_cfg): Export.
9774         (pass_fixup_cfg): Remove
9775         (tree_rest_of_compilation): Do not apply inlines.
9776         * tree-flow.h (execute_fixup_cfg): Declare.
9777         * Makefile.in (gt-passes.c): New.
9778         * passes.c: Include gt-passes.h
9779         (init_optimization_passes): New passes.
9780         (nnodes, order): New static vars.
9781         (do_per_function_toporder): New function.
9782         (execute_one_pass): Dump current pass here.
9783         (execute_ipa_pass_list): Don't dump current pass here.
9784
9785 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9786
9787         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9788         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9789
9790 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9791
9792         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9793         (strong_alias): Define.
9794         (__gcc_qmul): Provide non-FMA for soft-float.
9795         (__gcc_qdiv): Same.
9796         (__gcc_qneg): New.
9797         (__gcc_qeq): New.
9798         (__gcc_qle): New.
9799         (__gcc_qge): New.
9800         (__gcc_qunord): New.
9801         (__gcc_stoq): New.
9802         (__gcc_dtoq): New.
9803         (__gcc_qtos): New.
9804         (__gcc_qtod): New.
9805         (__gcc_qtoi): New.
9806         (__gcc_qtou): New.
9807         (__gcc_itoq): New.
9808         (__gcc_utoq): New.
9809         (fmsub): New.
9810         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9811         soft-float functions.
9812         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9813         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9814         about long double soft float.
9815
9816 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9817             Tehila Meyzels  <tehila@il.ibm.com>
9818
9819         * tree-vectorizer.h (is_pattern_stmt_p): New.
9820         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9821         formatting (tabs instead of spaces). Cleanup and clarify setting
9822         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9823         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9824         (vectorizable_type_demotion): Check that types are integral.
9825         (vectorizable_type_promotion): Likewise.
9826         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9827         comments.
9828
9829 2007-01-16  Jan Hubicka  <jh@suse.cz>
9830
9831         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9832         cgraph edges too.
9833
9834 2007-01-15  Eric Christopher  <echristo@apple.com>
9835
9836         * ifcvt.c: Include vec.h, vecprim.h.
9837         (check_cond_move_block): New argument regs.
9838         Reorganize. Add registers used to regs.
9839         (cond_move_process_if_block): Use regs set above as
9840         loop bounds.
9841
9842 2007-01-15  Eric Christopher  <echristo@apple.com>
9843
9844         * config/darwin.h: Update copyright.
9845         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9846         (LINK_COMMAND_SPEC): Add -u.
9847         (LINK_SPEC): Fix umbrella for above.
9848
9849 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9850
9851         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9852         glibc CVS.
9853
9854 2007-01-15  Tom Tromey  <tromey@redhat.com>
9855
9856         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9857         * doc/install.texi (Testing): Don't mention jacks.
9858         (Configuration): Document --enable-java-maintainer-mode.  Move
9859         --with-java-home to libgcj-specific section.  Document
9860         --with-ecj-jar.
9861         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9862
9863 2007-01-15  Jan Hubicka  <jh@suse.cz>
9864
9865         * tree-ssa-dce.c (DCE_TODOs): New.
9866         (propagate_necessity): Return if something changed.
9867         (eliminate_unnecessary_stmts): Likewise.
9868         (perform_tree_ssa_dce): Return TODO flags when needed.
9869         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9870
9871 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9872
9873         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9874         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9875         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9876         patterns using X87MODEF12 mode macro.  Extend operand 1
9877         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9878         (log10<mode>2): Ditto.
9879         (log2<mode>2): Ditto.
9880         (log1p<mode>2): Ditto.
9881         (logb<mode>2): Ditto.
9882         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9883         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9884         (*fxtractxf3_i387): Rename from *fxtractxf3.
9885         (fxtract_extend<mode>xf3_i387): New insn pattern.
9886         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9887         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9888         and gen_fyl2xxf3_i387().
9889
9890 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9891
9892         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9893         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9894         get_loop_exit_edges.  Changed return type to bool.
9895         * cfgloop.h (fix_loop_placement): Declaration removed.
9896
9897 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9898
9899         * param.h (MIN_VECT_LOOP_BOUND): New.
9900         * params.def (MIN_VECT_LOOP_BOUND): New.
9901         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9902         argument - minimum threshold for number of iterations.
9903         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9904         argument to declaration.
9905         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9906         MIN_VECT_LOOP_BOUND.
9907         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9908         slpeel_tree_peel_loop_to_edge with additional argument.
9909         (vect_do_peeling_for_alignment): Likewise.
9910         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9911
9912 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9913
9914         PR target/30413
9915         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9916         operands of size 1.
9917
9918 2007-01-14  Jan Hubicka  <jh@suse.cz>
9919
9920         * tree-dfa.c (remove_referenced_var): New function.
9921         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9922         prune referenced vars list too.
9923         * tree-flow.h (remove_referenced_var): Declare.
9924
9925 2007-01-14  Jan Hubicka  <jh@suse.cz>
9926
9927         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9928         separately.
9929         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9930         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9931         * except.h (verify_eh_throw_table_statements): Kill prototype.
9932         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9933         into call exrepssions.
9934         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9935         eh trhow verifier.
9936         * tree-cfg.c: Include pointer-set.h.
9937         (verify_node_sharing): Work on pointer set.
9938         (verify_eh_throw_stmt_node): New.
9939         (verify_stmts): Use pointers sets, verify throw_stmt.
9940
9941 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9942
9943         * ipa-reference.c (analyze_function): Consider also addresses taken
9944         in phi nodes.
9945
9946 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9947
9948         * c-typeck.c (null_pointer_constant_p): Replace use of
9949         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9950         (build_c_cast): Likewise.
9951
9952 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9953
9954         * tree.h (force_fit_type_double): Remove unused final argument.
9955         * c-common.c (constant_expression_warning): Replace use of
9956         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9957         (convert_and_check): Likewise.
9958         (shorten_compare): Update call to force_fit_type_double.
9959         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9960         * convert.c (convert_to_pointer): Update call to
9961         force_fit_type_double.
9962         * fold-const.c (force_fit_type_double): Remove overflowed_const
9963         argument.
9964         (int_const_binop, fold_convert_const_int_from_int,
9965         fold_convert_const_int_from_real, fold_div_compare,
9966         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9967         fold_abs_const, fold_not_const): Remove the final argument from
9968         calls to force_fit_type_double.
9969
9970 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9971
9972         * configure.ac: Set insn to "nop" for spu-*-* also.
9973         * configure: Regenerate.
9974
9975 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9976
9977         * builtins.def : Add BUILT_IN_FREE.
9978
9979 2007-01-12  Jan Hubicka  <jh@suse.cz>
9980
9981         PR tree-optimization/30443
9982         * tree-inline.c (tree_function_versioning): Do not optimize when
9983         cloning for inlining.
9984
9985 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9986
9987         * doc/loop.texi: Document recording of loop exits.
9988         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9989         (update_single_exits_after_duplication,
9990         update_single_exit_for_duplicated_loop,
9991         update_single_exit_for_duplicated_loops): Removed.
9992         (duplicate_loop_to_header_edge): Do not call
9993         update_single_exits_after_duplication and
9994         update_single_exit_for_duplicated_loops.
9995         (loop_version): Do not update single_exit information.
9996         (fix_loop_structure): Use record_loop_exits instead of
9997         mark_single_exit_loops.
9998         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9999         the lists of loop exits.
10000         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10001         split_edge, merge_blocks): Update the lists of loop exits.
10002         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10003         loop_optimizer_init.
10004         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10005         of mark_single_exit_loops.
10006         (loop_optimizer_finalize): Call release_recorded_exits.
10007         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10008         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10009         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10010         update single exit information.
10011         * lambda-code.c (perfect_nestify): Ditto.
10012         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10013         (mark_single_exit_loops): Removed.
10014         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10015         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10016         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10017         functions.
10018         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10019         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10020         (verify_loop_structure): Verify consistency of the exit lists.
10021         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10022         (set_single_exit): Removed.
10023         * cfgloop.h (struct loop_exit): New function.
10024         (struct loop): single_exit_ field replaced by exits field.
10025         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10026         (struct loops): Added exits hash.
10027         (mark_single_exit_loops, set_single_exit): Declaration removed.
10028         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10029
10030 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10031
10032         * doc/invoke.texi: Avoid use of @headitem.
10033
10034 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10035
10036         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10037
10038 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10039
10040         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10041         list of targets.
10042
10043 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10044             Richard Sandiford  <richard@codesourcery.com>
10045
10046         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10047         * config/m68k/m68k.opt: Resort options.
10048         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10049
10050 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10051             Richard Sandiford  <richard@codesourcery.com>
10052
10053         * doc/invoke.texi: Document the macros that are defined by
10054         m68k's -mtune and -mhard-float options.
10055         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10056         (m68k_cpp_cpu_family): Likewise.
10057         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10058         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10059         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10060         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10061         (m68k_cpp_cpu_family): Likewise.
10062
10063 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10064
10065         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10066         macros besides mc68000 as tuning macros.  Use a switch statement
10067         to set them and mcpu32.
10068
10069 2007-01-12  Julian Brown  <julian@codesourcery.com>
10070
10071         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10072         (TARGET_68040_ONLY): Rename to...
10073         (TARGET_68040): ...this.
10074         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10075         * config/m68k/m68k.md: Likewise.
10076
10077 2007-01-12  Julian Brown  <julian@codesourcery.com>
10078             Nathan Sidwell  <nathan@codesourcery.com>
10079             Richard Sandiford  <richard@codesourcery.com>
10080
10081         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10082         the -mcpu= argument associated with the --with-cpu setting.
10083         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10084         if different from the one implied by the -mcpu setting.
10085         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10086         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10087         * doc/invoke.texi: Mention ColdFire in the introduction to the
10088         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10089         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10090         -mhard-float.  Document the previously-undocumented -m5206e,
10091         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10092         documentation for consistency.
10093         * doc/install.texi: Mention new --with-cpu arguments.
10094         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10095         default CPU if neither -mcpu nor -march are specified.
10096         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10097         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10098         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10099         using m68k_tune to decide between families that implement the
10100         same ISA.  Use m68k_tune to set __mcfv4e__.
10101         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10102         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10103         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10104         (FL_ISA_C, FL_ISA_MMU): New macros.
10105         (MASK_COLDFIRE): Delete.
10106         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10107         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10108         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10109         (TARGET_HARD_FLOAT): Do not define here.
10110         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10111         (TUNE_68000): New macro.
10112         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10113         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10114         (TUNE_CFV2): Redefine in terms of m68k_tune.
10115         (uarch_type, target_device, fpu_type): New enums.
10116         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10117         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10118         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10119         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10120         (FL_FOR_isa_c): New macros.
10121         (m68k_isa): New enum.
10122         (m68k_target_selection): New structure.
10123         (all_devices, all_isas, all_microarchs): New tables.
10124         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10125         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10126         (MASK_ALL_CPU_BITS): Delete.
10127         (m68k_find_selection): New function.
10128         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10129         Map the legacy target options to a combination of the new ones.
10130         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10131         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10132         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10133         settings.
10134         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10135         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10136         properties.
10137         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10138         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10139         * config/m68k/m68k-devices.def: New file.
10140
10141 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10142             Nathan Sidwell  <nathan@codesourcery.com>
10143
10144         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10145         (SUBTARGET_EXTRA_SPECS): New macros.
10146         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10147         use %(asm_cpu_spec) instead.
10148         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10149         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10150         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10151         (EXTRA_SPECS): Rename to...
10152         (SUBTARGET_EXTRA_SPECS): ...this.
10153
10154 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10155             Richard Sandiford  <richard@codesourcery.com>
10156             Julian Brown  <julian@codesourcery.com>
10157
10158         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10159         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10160         to the configuration's default CPU.
10161         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10162         Remove default masks.
10163         (m680[012]0-*-*): Set the default with_cpu to the first part of
10164         the target name.
10165         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10166         (m68k*-*-linux): Extend the --with-cpu handling to...
10167         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10168         and m68010.  Don't set target_cpu_default2.
10169         * doc/install.texi: Document --with-cpu for m68k.
10170         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10171         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10172         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10173         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10174         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10175         (ASM_SPEC): Remove use of %(asm_cpu_default).
10176         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10177         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10178         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10179         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10180         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10181         (TARGET_DEFAULT): Delete.
10182         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10183         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10184         (CPP_CPU_SPEC): Delete.
10185         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10186         the appropriate string.
10187         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10188         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10189         (ASM_SPEC): Don't use %(asm_default_spec).
10190         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10191         TARGET_DEFAULT and add MASK_68881.
10192         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10193
10194 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10195
10196         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10197         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10198         MASK_68010 alongside MASK_68020.
10199         * doc/invoke.texi: Document -m68010.
10200         * config/m68k/m68k.opt (m68010): New.
10201         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10202         if TUNE_68010.
10203         (TUNE_68010): New macro.
10204         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10205         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10206         (M68K_CPU_m68332): Add MASK_68010.
10207         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10208         fallback definition.
10209         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10210         defines.
10211         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10212         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10213         to all entries that use MASK_68020.
10214         (output_move_simode_const, output_move_himode, output_move_qimode)
10215         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10216         instead of TARGET_68020 to select clr behavior.  Remove comment
10217         about there being no TARGET_68010.
10218         * config/m68k/m68k.md: Likewise throughout.
10219
10220 2007-01-12  Julian Brown  <julian@codesourcery.com>
10221
10222         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10223         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10224         * config/m68k/m68k.md: Likewise.
10225
10226 2007-01-12  Julian Brown  <julian@codesourcery.com>
10227
10228         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10229         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10230
10231 2007-01-12  Julian Brown  <julian@codesourcery.com>
10232
10233         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10234         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10235         * config/m68k/m68k.md: Likewise.
10236
10237 2007-01-12  Julian Brown  <julian@codesourcery.com>
10238             Richard Sandiford  <richard@codesourcery.com>
10239
10240         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10241         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10242         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10243         TARGET_CPU32.
10244         (TARGET_CPU32): Rename to...
10245         (TUNE_CPU32): ...this.
10246         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10247         (TUNE_CFV2): New macros.
10248         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10249         remove conditions that are implied by TARGET_68020.
10250         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10251         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10252         (m68k_output_function_epilogue): Likewise.
10253         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10254         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10255         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10256         non-68000 timings.  Refactor multiplication and division costs.
10257         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10258         TUNE_CPU32 instead of TARGET_CPU32.
10259         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10260         and TUNE_68060 instead of TARGET_68060.
10261         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10262         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10263         TARGET_CPU32.
10264         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10265         && !TARGET_COLDFIRE" to choose between moveq and clr.
10266         Likewise in the unnamed movsf pattern.
10267         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10268         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10269         ashiftrt pattern.
10270
10271 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10272
10273         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10274         of tabbing before backslashes.
10275
10276 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10277
10278         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10279         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10280         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10281
10282 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10283
10284         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10285         find_interesting_uses_cond.
10286         (find_interesting_uses_cond): Use extract_cond_operands.
10287         (rewrite_use_compare): Use extract_cond_operands and
10288         force_gimple_operand_bsi.  Do not call update_stmt.
10289         (determine_use_iv_cost_condition): Use extract_cond_operands.
10290         Return cheaper of using original bound and changing the exit bound.
10291
10292 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10293
10294         PR tree-optimization/29516
10295         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10296         most_expensive_mult_to_index, addr_to_parts,
10297         create_mem_ref, maybe_fold_tmr): Make the type of
10298         fields of TARGET_MEM_REF sizetype.
10299         (move_fixed_address_to_symbol, move_pointer_to_base):
10300         New functions.
10301         * tree.def (TARGET_MEM_REF): Add comment on types of
10302         the operands.
10303
10304 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10305
10306         * c-common.c (vector_types_convertible_p): Treat opaque types as
10307         always convertible if they have the same size, but not otherwise.
10308
10309 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10310
10311         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10312         Remove the b_unconditional field.
10313         (noce_try_sign_mask): Do not look at b_unconditional.
10314         (noce_process_if_block): Do not use merge_if_blocks.  Update
10315         the CFG here.  Do not set b_unconditional.
10316         (cond_move_process_if_block): Likewise.
10317         (find_cond_trap): Likewise.
10318         (check_cond_move_block): Require simple jump insns at the end
10319         of the basic block.
10320
10321 2007-01-11  Jan Hubicka  <jh@suse.cz>
10322
10323         PR tree-optimization/1046
10324         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10325         when alias info is not ready.
10326         (pass_tail_recursion): Do not require aliasing.
10327         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10328         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10329         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10330         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10331         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10332         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10333         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10334         before inlining.
10335         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10336         When aliasing is not build, mark statement as volatile.
10337
10338 2007-01-11  Tom Tromey  <tromey@redhat.com>
10339
10340         PR preprocessor/15185, PR preprocessor/20989:
10341         * doc/cppopts.texi <-MT>: Update description of algorithm for
10342         computing default target.
10343         <-M, -MD>: Reword "basename" text.
10344
10345 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10346
10347         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10348         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10349         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10350         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10351         fold_builtin_bswap, real_constp, fold_builtin_pow,
10352         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10353         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10354         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10355         * convert.c (convert_to_pointer): Likewise.
10356         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10357         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10358         const_binop, fold_convert_const_int_from_int,
10359         fold_convert_const_int_from_real,
10360         fold_convert_const_real_from_real, sign_bit_p,
10361         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10362         fold_sign_changed_comparison, fold_unary, fold_comparison,
10363         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10364         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10365         * print-tree.c (print_node_brief, print_node): Likewise.
10366         * stor-layout.c (place_field, layout_type): Likewise.
10367         * tree-chrec.c (keep_cast): Likewise.
10368         * tree.c (build_vector, build_real, build_real_from_int_cst,
10369         build_complex): Likewise.
10370
10371 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10372
10373         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
10374         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10375
10376 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
10377
10378         * configure.ac (strict1_warn): Rename to strict_warn.
10379         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10380         cc_set_by_configure, quoted_cc_set_by_configure,
10381         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10382         all_boot_languages, all_stagestuff): Remove.
10383         (target_list): Remove bootstrap targets.
10384         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10385         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10386         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10387         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10388         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10389         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10390         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10391         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10392         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10393         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10394         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10395         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10396         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10397         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10398         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10399         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10400         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10401         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10402         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10403         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10404         (mostlyclean): Adjust.
10405         (clean, distclean): Don't mention bootstrap stuff.
10406         * configure: Regenerate.
10407         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10408         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10409         treelang/config-lang.in (stagestuff): Remove.
10410         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10411         stageprofile, stagefeedback, stagestuff): Remove mention.
10412
10413 2007-01-11  Nick Clifton  <nickc@redhat.com>
10414
10415         * config/mcore/predicates.md (mcore_general_movesrc_operand):
10416         Accept CONSTs.
10417         (mcore_general_movdst_operand): Do not accept CONST_INTs.
10418         (mcore_arith_K_S_operand): Run the test for the S constraint not
10419         the test for the M constraint.
10420         (mcore_addsub_operand): Do not accept integer values that are
10421         larger than 32 bits.
10422         * config/mcore/mcore.md: Remove unused constraints from split.
10423         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10424         (addsi3): Likewise.
10425         (allocate_stack): Likewise.
10426         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10427         operands to 32 bits.
10428         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10429         INTVAL.
10430         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10431         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10432         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10433         mcore_output_bclri, mcore_output_andn, output_inline_const,
10434         mcore_output_move, mcore_output_movedouble): Likewise.
10435         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10436         (output_inline_const): Likewise.
10437         (output_inline_const): Fix format strings used in sprintf
10438         statements.
10439         * config/mcore/mcore-protos.h: Update prototypes for changed
10440         functions in mcore.c.
10441         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10442         HOST_WIDE_INT and not int.
10443         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10444         CONST_OK_FOR_N): Likewise.
10445         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10446         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10447         an INTVAL.
10448
10449 2007-01-10  Jan Hubicka  <jh@suse.cz>
10450
10451         * tree-vrp.c (remove_range_assertions): Release defs.
10452         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10453         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10454
10455 2007-01-10  Paul Brook  <paul@codesourcery.com>
10456
10457         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10458         * config/arm/arm.md (mulsi3subsi): New insn.
10459
10460 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
10461
10462         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10463         (tree_transform_and_unroll_loop): New.
10464         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10465         Declare.
10466
10467 2007-01-10  Robert Kennedy <jimbob@google.com>
10468
10469         * fold-const.c (fold_comparison): Fold comparisons like (x *
10470         1000 < 0) to (x < 0).
10471
10472 2007-01-10  Ian Lance Taylor  <iant@google.com>
10473
10474         * tree-pretty-print.c (dump_generic_node): Print parentheses when
10475         operands have the same priority.
10476
10477 2007-01-10  Tom Tromey  <tromey@redhat.com>
10478
10479         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10480         (fold_binary): Likewise.
10481         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10482         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10483         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10484         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10485         * langhooks.h (struct lang_hooks): Removed field
10486         'can_use_bit_fields_p'.
10487
10488 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
10489
10490         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10491
10492 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
10493
10494         * function.c (get_last_funcdef_no): New function.
10495         * function.h (get_last_funcdef_no): Declare.
10496         * tree-inline.c (initialize_cfun): Add initialization.
10497         (tree_function_versioning): Cleanup.
10498
10499 2007-01-10  Jan Hubicka  <jh@suse.cz>
10500
10501         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10502         PHIs.
10503
10504 2007-01-10  Sa Liu  <saliu@de.ibm.com>
10505             Ben Elliston  <bje@au.ibm.com>
10506
10507         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10508         for SAVE_NONLOCAL and Pmode for any other save level.
10509         * spu-protos.h (spu_restore_stack_block): Declare.
10510         * spu.md (save_stack_block): Remove.
10511         (restore_stack_block): Call spu_restore_stack_block.
10512         * spu.c (spu_restore_stack_block): New function.
10513         (spu_expand_epilogue): Remove old comment.
10514
10515 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
10516
10517         PR tree-optimization/30322
10518         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10519         (cand_value_at): Return the value as aff_tree.
10520         (may_eliminate_iv): Convert the bound from aff_tree to tree.
10521         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10522         aff_combination_mult): New functions.
10523         (aff_combination_add): Use aff_combination_add_cst.
10524         (aff_combination_convert): Allow conversions to a wider type.
10525         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10526         * tree-affine.h (aff_combination_mult): Declare.
10527
10528 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
10529
10530         * doc/tm.texi: Update documentation to reflect reality of exec
10531         and start file search behaviours. Update copyright year.
10532         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10533         header file directories.
10534
10535 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
10536
10537         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10538         (*cosxf2): Rename to cosxf2_i387.
10539         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
10540         using X87MODEF12 mode macro. Rename patterns to
10541         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
10542         for SSE math.
10543         (*cosdf2, *cossf2): Ditto.
10544         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
10545         to match extended input operands.
10546         (sincos<mode>3): New expander.
10547         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10548         insn patterns and corresponding splitters.
10549
10550 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
10551
10552         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10553         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10554
10555 2007-01-09  Nicolas Pitre  <nico@cam.org>
10556
10557         PR target/30173
10558         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10559
10560 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10561
10562         * target.h (struct gcc_target): New field library_rtti_comdat.
10563         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10564         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10565         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10566         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10567
10568 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10569
10570         * doc/invoke.texi (Optimize Options): Correct description of -O0.
10571
10572 2007-01-08  Richard Guenther  <rguenther@suse.de>
10573
10574         * tree.h (force_fit_type_double): Export.
10575         (force_fit_type): Remove.
10576         * fold-const.c (force_fit_type_double): New function.
10577         (force_fit_type): Remove.
10578         (int_const_binop): Use it.
10579         (fold_convert_const_int_from_int): Likewise.
10580         (fold_convert_const_int_from_real): Likewise.
10581         (fold_div_compare): Likewise.
10582         (fold_sign_changed_comparison): Likewise.
10583         (fold_unary): Likewise.
10584         (fold_negate_const): Likewise.
10585         (fold_abs_const): Likewise.
10586         (fold_not_const): Likewise.
10587         * c-common.c (shorten_compare): Use force_fit_type_double.
10588         * convert.c (convert_to_pointer): Likewise.
10589
10590 2007-01-08  Richard Guenther  <rguenther@suse.de>
10591
10592         * tree.h (build_int_cst_wide_type): Export.
10593         * tree.c (build_int_cst_wide_type): New function.
10594         (build_int_cst_wide): Fix comment.
10595         * builtins.c (fold_builtin_object_size): Use build_int_cst
10596         to build -1 or 0 of the correct type.  Use fit_double_type
10597         to check for overflow.
10598         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10599         to build the mask.
10600         (decode_field_reference): Likewise.
10601         (all_ones_mask_p): Likewise.
10602         (native_interpret_int): Use build_int_cst_wide_type.
10603         (fold_binary): Use build_int_cst_type to build an all-ones
10604         value.
10605         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10606
10607 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10608
10609         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10610
10611 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10612
10613         * genautomata.c (STATS_OPTION): New option.
10614         (stats_flag): New flag.
10615         (gen_automata_option): Handle it.
10616         (initiate_automaton_gen): Ditto.
10617         (write_automata): Output statistics only if stats_flag is
10618         set. Likewise, output time statistics only if time_flag is set.
10619         * doc/md.texi (Processor pipeline description): Document new flag.
10620
10621 2007-01-08  Richard Guenther  <rguenther@suse.de>
10622
10623         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10624         * tree.c (build_int_cst_type): Likewise.
10625         (size_in_bytes): Don't call force_fit_type on the result.
10626         (int_fits_type_p): Use fit_double_type.
10627         * fold-const.c (fit_double_type): New function.
10628         (force_fit_type): Use it.
10629         * tree.h (fit_double_type): Export.
10630
10631 2007-01-08  Jan Hubicka  <jh@suse.cz>
10632
10633         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10634         * ipa.c (function_and_variable_visibility): Fix return type.
10635
10636 2007-01-08  Richard Guenther  <rguenther@suse.de>
10637
10638         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10639         of offset to build the index.
10640         * tree-pretty-print.c (dump_generic_node): Don't build negated
10641         const just for printing.
10642         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10643         * builtins.c (fold_builtin_int_roundingfn): Check if result
10644         fits the type by using force_fit_type and comparing the result.
10645         * predict.c (predict_loops): Use compare_tree_int for comparison.
10646         * tree.c (build_int_cst): Fall back to integer_type_node for
10647         NULL_TREE type.
10648         (build_int_cst_wide): Assert type is non-null.
10649
10650 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10651
10652         * tree-vrp.c (extract_range_from_cond_expr): New.
10653         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10654         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10655         as expressions.
10656         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10657         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10658         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10659         used as expressions.
10660         * tree-object-size.c (cond_expr_object_size): New.
10661         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10662
10663 2007-01-08  Jan Hubicka  <jh@suse.cz>
10664
10665         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10666         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10667         statement.
10668
10669 2007-01-08  Richard Guenther  <rguenther@suse.de>
10670
10671         PR tree-optimization/23603
10672         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10673         (extract_range_from_binary): Fall back to truthvalue instead of
10674         varying for TRUTH_*_EXPR.
10675         (extract_range_from_comparison): Fall back to truthvalue instead of
10676         varying.
10677         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10678         if all visited PHI values were constant.
10679
10680 2007-01-08  Jan Hubicka  <jh@suse.cz>
10681
10682         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10683         (cgraph_analyze_function): break out from ...
10684         (cgraph_finalize_compilation_unit): ... here.
10685         (cgraph_expand_function): Remove forgoten commented out line.
10686         (cgraph_optimize): Analyze functions.
10687
10688 2007-01-08  Jan Hubicka  <jh@suse.cz>
10689
10690         * tree-pas.h (TODO_remove_function): New flag.
10691         (TODO_update*): Renumber.
10692         (pass_ipa_increase_alignment,
10693         pass_ipa_function_and_variable_visibility): New passes.
10694         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10695         (cgraph_function_and_variable_visibility): Move to ipa.c
10696         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10697         cgraph_increase_alignment.
10698         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10699         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10700         calling tree-inline.
10701         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10702         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10703         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10704         (gate_increase_alignment): New function.
10705         (pass_ipa_increase_alignment): New pass.
10706         * ipa.c: Inline tree-pass.h and timevar.h
10707         (function_and_variable_visibility): Move here from cgraphunit.c
10708         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10709         * passes.c (init_optimization_passes): Add the two new passes.
10710         (execute_todo): Handle cgraph_remove_functions.
10711
10712 2007-01-08  Nick Clifton  <nickc@redhat.com>
10713
10714         * config/frv/predicates.md (reg_or_0_operand): Accept
10715         CONST_DOUBLEs.
10716
10717 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10718
10719         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10720         * config.gcc: Add bfin*-rtems*.
10721
10722 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10723
10724         * c.opt: Add -flax-vector-conversions.
10725         * c-typeck.c (convert_for_assignment): Pass flag to
10726         vector_types_convertible_p to allow emission of note.
10727         (digest_init): Likewise.
10728         * c-opts.c: Handle -flax-vector-conversions.
10729         * c-common.c (flag_lax_vector_conversions): New.
10730         (vector_types_convertible_p): Unless -flax-vector conversions
10731         has been passed, disallow conversions between vectors with
10732         differing numbers of subparts and/or element types.  If such
10733         a conversion is disallowed, possibly emit a note on the first
10734         occasion only to inform the user of -flax-vector-conversions.
10735         The new last argument specifies this.
10736         * c-common.h (flag_lax_vector_conversions): New.
10737         (vector_types_convertible_p): Add extra argument.
10738         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10739         char_type_node for V*QI type vectors.
10740         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10741         Update to satisfy new typechecking rules.
10742         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10743         C and C++ variants.
10744         * doc/invoke.texi (C Dialect Options): Document
10745         -flax-vector-conversions.
10746
10747 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10748
10749         PR tree-optimization/29877
10750         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10751         a register variable on the RHS to not be replaceable.
10752
10753 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10754         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10755         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10756         const_simm15, const_pow2, const_npow2): Added.
10757         * config/score/misc.md (insv, extv, extzv, movmemsi,
10758         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10759         * config/score/score.c (score_address_cost, score_select_cc_mode):
10760         Added.
10761         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10762         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10763         Update score_print_operand.
10764         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10765         Adjust register allocate order and update some macro define.
10766         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10767         mdx_block_move_straight, mdx_block_move_loop_head,
10768         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10769         mdx_block_move): Added.
10770         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10771         mdp_limm): Updated and fix some bug and typo.
10772         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10773         (movsf, movdf, doloop_end): Added.
10774
10775 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10776
10777         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10778         config/arm/thumb2.md: Fix comment typos.
10779         * doc/extend.texi: Fix a typo.
10780
10781 2007-01-07  Eric Christopher  <echristo@apple.com>
10782
10783         * configure.ac: Check for __stack_chk_fail for darwin.
10784         * configure: Regenerate.
10785
10786 2007-01-07  Richard Guenther  <rguenther@suse.de>
10787
10788         * tree-vrp.c (extract_range_from_assert): CSE calls to
10789         compare_values where possible.
10790         (extract_range_from_unary_expr): Likewise.
10791
10792 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10793
10794         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10795         * config/avr/avr.c (call_insn_operand): Delete function.
10796         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10797         instead of register number. Use predicates.
10798         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10799         call_insn_operand): Add.
10800
10801 2007-01-06  Jan Hubicka  <jh@suse.cz>
10802
10803         * tree-pass.h (pass_build_cgraph_edges): Declare.
10804         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10805         (visited_nodes): Remove.
10806         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10807         build_cgrpah_edges; make visited_nodes local.
10808         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10809         (record_references_in_initializer): Move to cgraphbuild.c
10810         (initialize_inline_failed, rebuild_cgraph_edges,
10811         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10812         (verify_cgraph_node): Make visited_nodes local.
10813         (cgraph_analyze_function): Do not call cgraph_create_edges and
10814         initialize_inline_failed.
10815         (cgraph_expand_function): Do not call cgraph_lower_function;
10816         assert that function is already lowered.
10817         * Makefile.in (cgraphbuild.o): New.
10818         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10819         at the end of lowering passes.
10820
10821 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10822
10823         * ifcvt.c (cond_move_convert_if_block): New function, code
10824         factored out from...
10825         (cond_move_process_if_block): ...here.  Call the new function
10826         on the THEN and ELSE blocks.
10827         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10828         already takes care of this.
10829
10830 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10831
10832         PR c/19978
10833         * tree.h (TREE_OVERFLOW_P): New.
10834         * c-typeck.c (parser_build_unary_op): Warn only if result
10835         overflowed and operands did not.
10836         (parser_build_binary_op): Likewise.
10837         (convert_for_assignment): Remove redundant overflow_warning.
10838         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10839
10840 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10841
10842         * c-typeck.c (store_init_value): Split over two lines to follow
10843         the GNU coding style.
10844
10845 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10846
10847         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10848         __GXX_EXPERIMENTAL_CXX0X__.
10849         * doc/cpp.texi: Same.
10850
10851 2007-01-05  Richard Guenther  <rguenther@suse.de>
10852
10853         PR middle-end/27826
10854         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10855         with mismatched types.  Instead explicitly build a
10856         conversion NOP_EXPR.
10857
10858 2007-01-05  Ian Lance Taylor  <iant@google.com>
10859
10860         * c-common.c (decl_with_nonnull_addr_p): New function.
10861         (c_common_truthvalue_conversion): Call it.
10862         * c-typeck.c (build_binary_op): Likewise.
10863         * c-common.h (decl_with_nonnull_addr_p): Declare.
10864
10865 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10866
10867         PR c/30360
10868         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10869         denom against 0.0.
10870
10871 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10872
10873         * doc/install.texi (Final install): Document the fact that
10874         the GNAT runtime should not be stripped.
10875
10876 2007-01-04  Jan Hubicka  <jh@suse.cz>
10877
10878         * tree-inline.c (fold_marked_statements): Update operand caches
10879         and EH after folding
10880
10881 2007-01-04  Ian Lance Taylor  <iant@google.com>
10882
10883         * c-common.c (check_function_nonnull): Whitespace fix.
10884
10885 2007-01-04  Jan Hubicka  <jh@suse.cz>
10886
10887         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10888         comitted older version of patch.
10889         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10890         function, celanup cfg and collect garbage.
10891
10892 2007-01-04  Mike Stump  <mrs@apple.com>
10893
10894         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10895         (clean): Likewise.
10896
10897 2007-01-04  Eric Christopher  <echristo@apple.com>
10898
10899         * libgcc2.c (__bswapsi2): Use SItype.
10900         (__bswapdi2): Use DItype.
10901         * libgcc2.h: Update for above.
10902
10903 2007-01-04  Paul Brook  <paul@codesourcery.com>
10904
10905         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10906         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10907         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10908         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10909         umulsi3_highpart): Make conditional on !arm_arch6.
10910         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10911         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10912         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10913         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10914         umulsi3_highpart_v6): New insns.
10915
10916 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10917
10918         * fold-const.c (fold_convert): When casting an expression to void,
10919         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10920         have a type.  Instead of attempting to build a NOP_EXPR, return
10921         these "special" trees directly.
10922
10923 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10924
10925         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10926         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10927         rs6000_cost->fp not 0 as adjustment for outer NEG.
10928
10929 2007-01-04  Jan Hubicka  <jh@suse.cz>
10930
10931         * cgraph.c (cgraph_release_function_body): New function.
10932         (cgraph_remove_node): Use it.
10933         * cgraph.h (cgraph_release_function_body): Declare.
10934         * cgraphunit.c (cgraph_expand_function): Use it.
10935         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10936         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10937         is initialized and while compilation of other function is running.
10938         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10939         statement CFG annotations from here to ...
10940         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10941
10942 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10943
10944         * cfgloop.h (enum li_flags): Make the constants powers of two.
10945
10946 2007-01-04  Jan Hubicka  <jh@suse.cz>
10947
10948         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10949         set.
10950         (fold_marked_statements): New function.
10951         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10952         * tree-inline.h (copy_body_data): Add statements_to_fold.
10953
10954 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10955
10956         * config.gcc: Mention libgcc/config.host.
10957         * Makefile.in: Update comments mentioning libgcc.
10958         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10959         (all.cross, start.encap, rest.encap, rest.cross): Update
10960         dependencies for libgcc move.
10961         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10962         (clean-target, clean-target-libgcc): Delete.
10963         (srcdirify, GCC_EXTRA_PARTS): New macros.
10964         (libgcc-support, libgcc.mvars): New rules.
10965         (distclean): Remove mention of mklibgcc.
10966         (install): Don't reference INSTALL_LIBGCC.
10967         (install-common): Don't reference EXTRA_PARTS.
10968         (install-libgcc, install-multilib): Delete rules.
10969         * mklibgcc.in: Delete file.
10970         * doc/configfiles.texi: Don't mention mklibgcc.
10971
10972         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10973         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10974         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10975         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10976         (mklibgcc, ldblspecs): Likewise.
10977
10978         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10979         (posixpre.def): Use $(T).
10980         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10981         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10982         (SHLIB_LINK): Make dummy.
10983         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10984
10985         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10986
10987         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10988         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10989         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10990         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10991
10992         * configure.ac (all_outputs): Remove mklibgcc.
10993         * configure: Regenerated.
10994
10995 2007-01-03  Josh Conner  <jconner@apple.com>
10996
10997         PR middle-end/29683
10998         * calls.c (compute_argument_addresses): Set stack and stack_slot
10999         for partial args, too.
11000         (store_one_arg): Use locate.size.constant for the size when
11001         generating a save_area.
11002
11003 2007-01-03  Robert Kennedy <jimbob@google.com>
11004
11005         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11006         whose definitions are deleted due to basic block merging.
11007
11008 2007-01-03  Paul Brook  <paul@codesourcery.com>
11009
11010         PR target/16634
11011         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11012         functions.
11013         (use_return_insn): Return 0 for Thumb interrupt functions.
11014         (print_multi_reg): Add rfe argument for IRQ returns.
11015         (arm_output_epilogue): Pop interrupt return address directly into PC.
11016         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11017
11018 2007-01-03  Paul Brook  <paul@codesourcery.com>
11019
11020         Merge from sourcerygxx-4_1.
11021         * config/arm/thumb2.md: New file.
11022         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11023         Thumb-2.
11024         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11025         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11026         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11027         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11028         tables.
11029         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11030         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11031         comptibility.
11032         * config/arm/ieee754-sf.S: Ditto.
11033         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11034         (thumb1_base_register_rtx_p): ... to this.
11035         (thumb_index_register_rtx_p): Rename...
11036         (thumb1_index_register_rtx_p): ... to this.
11037         (thumb_output_function_prologue): Rename...
11038         (thumb1_output_function_prologue): ... to this.
11039         (thumb_legitimate_address_p): Rename...
11040         (thumb1_legitimate_address_p): ... to this.
11041         (thumb_rtx_costs): Rename...
11042         (thumb1_rtx_costs): ... to this.
11043         (thumb_compute_save_reg_mask): Rename...
11044         (thumb1_compute_save_reg_mask): ... to this.
11045         (thumb_final_prescan_insn): Rename...
11046         (thumb1_final_prescan_insn): ... to this.
11047         (thumb_expand_epilogue): Rename...
11048         (thumb1_expand_epilogue): ... to this.
11049         (arm_unwind_emit_stm): Rename...
11050         (arm_unwind_emit_sequence): ... to this.
11051         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11052         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11053         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11054         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11055         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11056         thumb2_output_casesi): New functions.
11057         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11058         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11059         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11060         THUMB2_WORK_REGS): Define.
11061         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11062         arm_condexec_mask, arm_condexec_masklen)): New variables.
11063         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11064         (arm_override_options): Check new CPU capabilities.
11065         Set new architecture flag variables.
11066         (arm_isr_value): Handle v7m interrupt functions.
11067         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11068         Thumb-2.
11069         (const_ok_for_arm): Handle Thumb-2 constants.
11070         (arm_gen_constant): Ditto.  Use movw when available.
11071         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11072         functions.
11073         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11074         (thumb_find_work_register, arm_load_pic_register,
11075         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11076         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11077         print_multi_reg, output_mov_long_double_fpa_from_arm,
11078         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11079         output_mov_double_fpa_from_arm, output_move_double,
11080         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11081         output_return_instruction, arm_output_function_prologue,
11082         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11083         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11084         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11085         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11086         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11087         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11088         '!' and 'L'.
11089         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11090         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11091         (arm_file_start): Output directive for unified syntax.
11092         (arm_unwind_emit_set): Handle stack alignment instruction.
11093         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11094         Add v6t2, v7, v7a, v7r and v7m.
11095         (RETLDM): Add Thumb-2 code.
11096         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11097         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11098         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11099         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11100         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11101         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11102         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11103         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11104         ADJUST_INSN_LENGTH): Define.
11105         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11106         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11107         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11108         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11109         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11110         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11111         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11112         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11113         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11114         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11115         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11116         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11117         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11118         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11119         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11120         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11121         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11122         cortex-m3.
11123         * config/arm/arm-tune.md: Regenerate.
11124         * config/arm/arm-protos.h: Update prototypes.
11125         * config/arm/vfp.md: Enable patterns for Thumb-2.
11126         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11127         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11128         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11129         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11130         * config/arm/libunwind.S: Add Thumb-2 code.
11131         * config/arm/constraints.md: Update include Thumb-2.
11132         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11133         * config/arm/ieee754-df.S: Ditto.
11134         * config/arm/bpabi.S: Ditto.
11135         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11136         * config/arm/predicates.md (low_register_operand,
11137         low_reg_or_int_operand, thumb_16bit_operator): New.
11138         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11139         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11140         * config/arm/t-arm-elf: Add armv7 multilib.
11141         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11142         Include thumb2.md.
11143         (UNSPEC_STACK_ALIGN, ce_count): New.
11144         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11145         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11146         insns/expanders.
11147         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11148         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11149         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11150         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11151         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11152         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11153         insns.
11154         * doc/extend.texi: Document ARMv7-M interrupt functions.
11155         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11156
11157 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11158
11159         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11160         (struct _Unwind_Context): Rename args_size to flags, remove
11161         signal_frame field, add a new args_size field and version field.
11162         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11163         _Unwind_IsExtendedContext): New inline functions.
11164         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11165         Assume by_value array is only present if _Unwind_IsExtendedContext.
11166         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11167         _Unwind_IsSignalFrame.
11168         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11169         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11170         (uw_init_context_1): Initialize context->flags to
11171         EXTENDED_CONTEXT_BIT.
11172         * config/rs6000/linux-unwind.h (frob_update_context): Use
11173         _Unwind_SetSignalFrame.
11174
11175 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11176
11177         PR middle-end/30353
11178         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11179         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11180         the value.
11181
11182 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11183
11184         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11185         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11186         RET, AT_SP): Remove.
11187         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11188         instead of RET.
11189
11190         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11191         * cfgbuild.c (find_basic_blocks): Likewise.
11192         * cfgrtl.c (rtl_create_basic_block): Likewise.
11193         * function.c (temp_slots_at_level): Likewise.
11194         * reg-stack.c (stack_regs_mentioned): Likewise.
11195         * regclass.c (allocate_reg_info): Likewise.
11196         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11197         set_bb_for_stmt, move_block_to_fn): Likewise.
11198         * tree-complex.c (tree_lower_complex): Likewise.
11199         * vec.h (VEC_safe_grow_cleared): New.
11200
11201         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11202
11203 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11204
11205         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11206         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11207         to loop_version.
11208         * cfgloopmanip.c (scale_loop_frequencies): Export.
11209         (loopify): Scale the frequencies by prescribed coefficients.
11210         (set_zero_probability): New function.
11211         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11212         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11213         and frequencies according to arguments.
11214         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11215         correctly.
11216         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11217         * modulo-sched.c (sms_schedule): Set probabilities for entering
11218         versioned loop correctly.
11219         * tree-vect-transform.c (vect_transform_loop): Ditto.
11220         * cfgloop.h (loopify, loop_version): Declaration changed.
11221         (scale_loop_frequencies): Declared.
11222
11223 2007-01-02  Jan Hubicka  <jh@suse.cz>
11224
11225         * cgraph.c: Include tree-flow.h
11226         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11227         early_local_passes.
11228         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11229         * tree-pass.h (pass_all_early_optimizations): Declare.
11230         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11231         early_local_passes.
11232         (cgraph_analyze_function): Do early_local_passes.
11233         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11234         Do not add referenced vars.
11235         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11236         SSA form.
11237         (gate_all_early_local_passes): New gate.
11238         (pass_early_local_passes): Use new gate.
11239         (execute_early_local_optimizations): New functions.
11240         (gate_all_early_optimizations): New gate.
11241         (pass_all_early_optimizations): New pass.
11242         (execute_free_datastructures): Free SSA only when initialized.
11243         (gate_init_datastructures): Init only when optimizing.
11244         (tree_lowering_passes): Do early local passes when called late.
11245         * tree-profile.c (do_tree_profiling): Don't profile functions added
11246         late.
11247         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11248         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11249         not active.
11250         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11251         during early_local_passes.
11252         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11253
11254
11255 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11256
11257         * Makefile.in: Update copyright year.
11258
11259 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11260
11261         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11262         in $(lang_checks) and check-consistency targets.
11263
11264 2007-01-02  Jan Hubicka  <jh@suse.cz>
11265
11266         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11267         Do not add referenced vars.
11268         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11269         are not active.
11270         * passes.c (init_optimization_passes): Put mudflap_2 after
11271         free_datastructures.
11272
11273 2007-01-02  Jan Hubicka  <jh@suse.cz>
11274
11275         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11276         Set NOTHROW flag on call statements proved to be nothrow.
11277         Update statement of local calls so new pure/const functions are
11278         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11279         goto receivers.
11280         (tree_rest_of_compilation): Register hooks and initialize bitmap
11281         early. Do not set after_inlining flag.
11282
11283 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11284
11285         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11286         HOST_BITS_PER_LONGLONG
11287
11288 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11289
11290         PR c/19977
11291         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11292         warning for non-static initializers.
11293
11294 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11295
11296         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11297         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11298         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11299         Always use set_unique_reg_note to add REG_EQUAL notes.
11300
11301 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11302
11303         Revert:
11304         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11305
11306         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11307         * cfgbuild.c (find_basic_blocks): Likewise.
11308         * cfgrtl.c (rtl_create_basic_block): Likewise.
11309         * function.c (temp_slots_at_level): Likewise.
11310         * reg-stack.c (stack_regs_mentioned): Likewise.
11311         * regclass.c (allocate_reg_info): Likewise.
11312         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11313         set_bb_for_stmt, move_block_to_fn): Likewise.
11314         * tree-complex.c (tree_lower_complex): Likewise.
11315         * vec.h (VEC_safe_grow_cleared): New.
11316
11317 2007-01-02  Ian Lance Taylor  <iant@google.com>
11318
11319         * c-common.c (c_common_truthvalue_conversion): When warning about
11320         using an assignment as a truth value, set TREE_NO_WARNING.
11321
11322 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11323
11324         PR middle-end/7651
11325         * c.opt (Wold-style-declaration): New.
11326         * doc/invoke.texi (C-only Warning Options): New.
11327         (Wold-style-declaration): Document it.
11328         (Wextra): Enabled by -Wextra.
11329         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11330         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11331         -Wold-style-declaration.
11332
11333 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11334
11335         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11336         * cfgbuild.c (find_basic_blocks): Likewise.
11337         * cfgrtl.c (rtl_create_basic_block): Likewise.
11338         * function.c (temp_slots_at_level): Likewise.
11339         * reg-stack.c (stack_regs_mentioned): Likewise.
11340         * regclass.c (allocate_reg_info): Likewise.
11341         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11342         set_bb_for_stmt, move_block_to_fn): Likewise.
11343         * tree-complex.c (tree_lower_complex): Likewise.
11344         * vec.h (VEC_safe_grow_cleared): New.
11345
11346 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11347
11348         * c-common.c (c_common_nodes_and_builtins): Since variants of
11349         void_type_node get built before it is given a name, we need to
11350         give those variants the name, too.
11351         (complete_array_type): We need to work with the canonical main
11352         type of the array, from which we will build the qualified version.
11353         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11354         * print-tree.c (print_node): Display canonical type information
11355         for each type.
11356         * stor-layout.c (layout_type): When we don't know the
11357         alignment of a type for which we're building an array, we end up
11358         guessing wrong, so make the type require structural equality.
11359         * tree.c (make_node_stat): When we build a new type, it is its
11360         own canonical type.
11361         (build_type_attribute_qual_variant): When building an attribute
11362         variant, its canonical type is the non-attribute variant. However,
11363         if the attributes are target-dependent and they differ, we need to
11364         use structural equality checks for this type.
11365         (build_qualified_type): A qualified type is not equivalent to its
11366         unqualified variant; set the canonical type appropriately.
11367         (build_distinct_type_copy): When building a distinct type from
11368         another type, the new type is its own canonical type.
11369         (build_variant_type_copy): When building a new type variant, we
11370         assume that it is equivalent to the original type.
11371         (build_pointer_type_for_mode): When building a pointer type, also
11372         build a canonical type pointer.
11373         (build_reference_type_for_mode): When building a reference type,
11374         also build a canonical type reference.
11375         (build_index_type): When we can't hash an index type (e.g.,
11376         because its maximum value is negative), the index type requires
11377         structural equality tests.
11378         (build_array_type): Build the canonical form of an array type.
11379         (build_function_type): Function types require structural equality,
11380         because they contain default arguments, attributes, etc.
11381         (build_method_type_directly): Ditto for method types.
11382         (build_offset_type): Build the canonical offset type.
11383         (build_complex_type): Build the canonical vector type.
11384         (make_vector_type): Build the canonical vector type.
11385         * tree.h (TYPE_CANONICAL): New.
11386         (TYPE_STRUCTURAL_EQUALITY_P): New.
11387         (SET_TYPE_STRUCTURAL_EQUALITY): New.
11388         (struct tree_type): Added "canonical" field.
11389         * params.h (VERIFY_CANONICAL_TYPES): New.
11390         * doc/c-tree.texi (TYPE_CANONICAL): Document.
11391         (TYPE_STRUCTURAL_EQUALITY_P): Document.
11392         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11393         * doc/invoke.texi (verify-canonical-types): Document --param
11394         parameter for verifying canonical types.
11395
11396 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11397
11398         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11399         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11400         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11401         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11402         tm_file.
11403         * config/rs6000/e500.h: New.
11404         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11405         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11406         Remove.
11407         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11408         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11409         TARGET_E500_DOUBLE): Remove.
11410         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11411         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11412         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11413         * config/rs6000/rs6000.c (rs6000_override_options): Use
11414         CHECK_E500_OPTIONS.
11415
11416 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11417
11418         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11419         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11420         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11421         rs6000_emit_cmove): Don't check TARGET_E500.
11422         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11423         sordered): Don't check TARGET_E500.
11424
11425 2007-01-01  Eric Christopher  <echristo@apple.com>
11426
11427         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11428         HARD_REGISTER_NUM_P.
11429
11430 2007-01-01  Roger Sayle  <roger@eyesopen.com>
11431
11432         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11433         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11434         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11435         eq/ne Y".
11436
11437 2007-01-01  Mike Stump  <mrs@apple.com>
11438
11439         * configure.ac: Remove support for building with Apple's gcc-3.1.
11440
11441 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11442
11443         PR middle-end/30311
11444         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11445         REG is a hard register.  Do not modify REG before calling
11446         subreg_nregs.
11447         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11448         multiple of the size of YMODE for certain lowpart cases.
11449
11450 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11451
11452         PR middle-end/30253
11453         * gimplify (voidify_wrapper_expr): Update for
11454         GIMPLE_MODIFY_STMT.
11455
11456 2007-01-01  Andreas Schwab  <schwab@suse.de>
11457
11458         PR target/29166
11459         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11460         save of BR0 in extra_spill_size instead of spill_size.
11461         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11462         area.
11463         (ia64_expand_epilogue): Restore BR0 from its new location.
11464
11465 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11466
11467         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11468         Use a temporary variable if the left hand side is not a gimple
11469         register.
11470
11471 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11472
11473         * gimplify.c (gimplify_return_expr): Make the temporary variable
11474         for the return expression, a gimple register variable.
11475
11476 2007-01-01  Jan Hubicka  <jh@suse.cz>
11477
11478         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11479         INSN_LIST.
11480
11481 2007-01-01  Mike Stump  <mrs@apple.com>
11482
11483         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11484         .literal16.
11485         * config/darwin.c (machopic_select_rtx_section): Use
11486         HAVE_GAS_LITERAL16.
11487         (darwin_mergeable_constant_section): Likewise.
11488         * configure: Regenerate.
11489         * config.in: Regenerate.
11490
11491 2007-01-01  Jan Hubicka  <jh@suse.cz>
11492             Andrew Pinski  <pinskia@gmail.com>
11493
11494         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11495         before starting IPA passes.