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2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
2
3         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
4         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
5         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
6         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
8         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
9         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
10         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
11         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
12         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
13         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
14         "mul<mode>3", "div<mode>3"): Insn definitions added.
15         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
16         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
17         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
18         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
19         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
20         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
21         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
22         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
23         TARGET_FLOAT_FORMAT): Macro definitions removed.
24         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
25         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
26         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
27         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
28         (s390_gen_rtx_const_DI): Function removed.
29         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
30
31 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
32
33         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
34         over an external ffs function.
35
36 2007-04-24  Chao-ying Fu  <fu@mips.com>
37             Richard Sandiford  <richard@nildram.co.uk>
38
39         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
40         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
41         (smadd_widen_optab, umadd_widen_optab): Define.
42         * optabs.c (init_optabs): Initialize smadd_widen_optab and
43         umadd_widen_optab.
44         * genopinit.c (optabs): Fill in smadd_widen_optab and
45         umadd_widen_optab.
46         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
47         and umadd_widen_optab to implement multiply-add sequences.
48         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
49         (<u>maddsidi4): ...this.  Extend condition to include
50         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
51         of operand 0 to "ka" and use the three-operand form of madd<u>
52         for TARGET_DSPR2.
53         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
54         to define_expands.
55         * config/mips/constraints.md (ka): New register constraint.
56
57 2007-04-24  Jan Hubicka  <j@suse.cz>
58
59         Revert:
60
61         2007-04-23  Jan Hubicka  <jh@suse.cz>
62         * function.c (init_function_start): Don't init line number info.
63         (expand_function_end): Update.
64         (reset_block_changes, record_block_change, finalize_block_changes,
65         check_block_change, free_block_changes): Kill.
66         * function.h (reset_block_changes, record_block_change,
67         finalize_block_changes, check_block_change, free_block_changes): Remove
68         prototypes.
69         (struct function): Remove ib_boundaries_block.
70         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
71         Use curr_insn_locator to initialize locator.
72         (emit_line_note): Remove.
73         * cfgexpand.c (expand_gimple_cond_expr): Update.
74         (construct_exit_block): Likewise.
75         (tree_expand_cfg): Initialize/finalize locators.
76         * expr.c (expand_expr_real): Update.
77         * cfglayout.c (line_locators_locs, line_locators_lines,
78         file_locators_locs, file_locators_files): Remove.
79         (set_block_levels): Move to cfgexpand.c.
80         (insn_locators_initialize): Remove.
81         (pass_insn_locators_initialize): Remove.
82         (locations_locators_locs, locations_locators_vals): New static vars.
83         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
84         Likewise.
85         (insn_locators_alloc, insn_locators_finalize,
86         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
87         New functions.
88         (locator_location): New.
89         (locator_line, locator_file): Rewrite.
90         * rtl.h (emit_line_note): Kill.
91         (insn_locators_alloc, insn_locators_finalize,
92         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
93         Declare.
94         * tree-inline.c (initialize_cfun): Do not initialize
95         ib_boundaries_block.
96         * passes.c (pass_insn_locators_initialize): Remove.
97
98 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
99
100         * doc/invoke.texi: Removed leading '-' from option index entries.
101
102 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
103
104         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
105         Use phi_nodes_ptr.
106         (create_phi_node): Use set_phi_nodes.
107         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
108         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
109         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
110         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
111         (bsi_start, bsi_last): Use bb_stmt_list.
112         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
113         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
114         Traverse the statements using tsi iterator.
115         * basic-block.h (struct basic_block_def): Fields stmt_list
116         and phi_nodes moved to ...
117         (struct tree_bb_info): ... new structure.
118         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
119         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
120         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
121         (tree_verify_flow_info): Verify that il.tree is not set for
122         entry and exit block.
123         (tree_split_block): Use set_bb_stmt_list.
124
125 2007-04-23  Mike Stump  <mrs@apple.com>
126
127         * config/i386/i386.c (ix86_tune_features
128         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
129         nocona and core2.
130
131 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
132
133         * config/i386/i386.md (prefix_extra): New attribute.
134         (length): Add prefix_extra.
135
136         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
137         (sse2_movntv2di): Likewise.
138         (sse2_cvtps2dq): Likewise.
139         (sse2_cvtpd2pi): Likewise.
140         (sse2_cvttpd2pi): Likewise.
141         (*sse2_cvtpd2ps): Likewise.
142         (*add<mode>3): Likewise.
143         (sse2_ssadd<mode>3): Likewise.
144         (sse2_usadd<mode>3): Likewise.
145         (*sub<mode>3): Likewise.
146         (sse2_sssub<mode>3): Likewise.
147         (sse2_ussub<mode>3): Likewise.
148         (*mulv8hi3): Likewise.
149         (*smulv8hi3_highpart): Likewise.
150         (*umulv8hi3_highpart): Likewise.
151         (sse2_umulv2siv2di3): Likewise.
152         (sse2_pmaddwd): Likewise.
153         (ashr<mode>3): Likewise.
154         (lshr<mode>3): Likewise.
155         (ashl<mode>3): Likewise.
156         (sse2_ashlti3): Likewise.
157         (sse2_lshrti3): Likewise.
158         (*umaxv16qi3): Likewise.
159         (*smaxv8hi3): Likewise.
160         (*uminv16qi3): Likewise.
161         (*sminv8hi3): Likewise.
162         (sse2_eq<mode>3): Likewise.
163         (sse2_gt<mode>3): Likewise.
164         (*and<mode>3): Likewise.
165         (sse2_nand<mode>3): Likewise.
166         (*ior<mode>3): Likewise.
167         (*xor<mode>3): Likewise.
168         (sse2_packsswb): Likewise.
169         (sse2_packssdw): Likewise.
170         (sse2_packuswb): Likewise.
171         (sse2_punpckhbw): Likewise.
172         (sse2_punpcklbw): Likewise.
173         (sse2_punpckhwd): Likewise.
174         (sse2_punpcklwd): Likewise.
175         (sse2_punpckhdq): Likewise.
176         (sse2_punpckldq): Likewise.
177         (sse2_punpckhqdq): Likewise.
178         (sse2_punpcklqdq): Likewise.
179         (*sse2_pinsrw): Likewise.
180         (*sse2_pextrw): Likewise.
181         (sse2_pshufd_1): Likewise.
182         (sse2_uavgv16qi3): Likewise.
183         (sse2_uavgv8hi3): Likewise.
184         (sse2_psadbw): Likewise.
185         (sse2_pmovmskb): Likewise.
186         (*sse2_maskmovdqu): Likewise.
187         (*sse2_maskmovdqu_rex64): Likewise.
188         (sse4a_extrqi): Likewise.
189         (sse4a_extrq): Likewise.
190         (sse3_lddqu): Set prefix_rep.
191         (sse3_addsubv4sf3): Likewise.
192         (sse3_haddv4sf3): Likewise.
193         (sse3_hsubv4sf3): Likewise.
194         (sse_cvtss2si): Likewise.
195         (sse_cvtss2si_2): Likewise.
196         (sse_cvtss2siq): Likewise.
197         (sse_cvtss2siq_2): Likewise.
198         (sse_cvttss2si): Likewise.
199         (sse_cvttss2siq): Likewise.
200         (sse2_cvttps2dq): Likewise.
201         (sse3_movshdup): Likewise.
202         (sse3_movsldup): Likewise.
203         (sse2_cvtsd2si): Likewise.
204         (sse2_cvtsd2si_2): Likewise.
205         (sse2_cvtsd2siq): Likewise.
206         (sse2_cvtsd2siq_2): Likewise.
207         (sse2_cvttsd2si): Likewise.
208         (sse2_cvttsd2siq): Likewise.
209         (*sse2_cvtpd2dq): Likewise.
210         (*sse2_cvttpd2dq): Likewise.
211         (sse2_pshuflw_1): Likewise.
212         (sse2_pshufhw_1): Likewise.
213         (sse4a_insertqi): Likewise.
214         (sse4a_insertq): Likewise.
215         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
216         (ssse3_phadddv4si3): Likewise.
217         (ssse3_phaddswv8hi3): Likewise.
218         (ssse3_phsubwv8hi3): Likewise.
219         (ssse3_phsubdv4si3): Likewise.
220         (ssse3_phsubswv8hi3): Likewise.
221         (ssse3_pmaddubswv8hi3): Likewise.
222         (ssse3_pmulhrswv8hi3): Likewise.
223         (ssse3_pshufbv16qi3): Likewise.
224         (ssse3_psign<mode>3): Likewise.
225         (ssse3_palignrti): Likewise.
226         (abs<mode>2): Likewise.
227         (ssse3_phaddwv4hi3): Set prefix_extra.
228         (ssse3_phadddv2si3): Likewise.
229         (ssse3_phaddswv4hi3): Likewise.
230         (ssse3_phsubwv4hi3): Likewise.
231         (ssse3_phsubdv2si3): Likewise.
232         (ssse3_phsubswv4hi3): Likewise.
233         (ssse3_pmaddubswv4hi3): Likewise.
234         (ssse3_pmulhrswv4hi3): Likewise.
235         (ssse3_pshufbv8qi3): Likewise.
236         (ssse3_psign<mode>3): Likewise.
237         (ssse3_palignrdi): Likewise.
238         (abs<mode>2): Likewise.
239         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
240         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
241         (sse2_pmovmskb): Set mode to SI instead of V2DF.
242
243 2007-04-23  Nick Clifton  <nickc@redhat.com>
244
245         * params.def: Fix formatting of emacs local variables.
246
247 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
248
249         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
250         move if inter-unit move isn't allowed.
251         Don't split moving the first element of V2DI to DI to inter-unit
252         move if inter-unit move isn't allowed.
253
254 2007-04-23  Richard Guenther  <rguenther@suse.de>
255
256         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
257         and CDI_POST_DOMINATORS separately.
258
259 2007-04-23  Nick Clifton  <nickc@redhat.com>
260
261         * c.opt (Wformat-contains-nul): Add warning attribute.
262
263 2007-04-23  Jan Hubicka  <jh@suse.cz>
264
265         * function.c (init_function_start): Don't init line number info.
266         (expand_function_end): Update.
267         (reset_block_changes, record_block_change, finalize_block_changes,
268         check_block_change, free_block_changes): Kill.
269         * function.h (reset_block_changes, record_block_change,
270         finalize_block_changes, check_block_change, free_block_changes): Remove
271         prototypes.
272         (struct function): Remove ib_boundaries_block.
273         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
274         Use curr_insn_locator to initialize locator.
275         (emit_line_note): Remove.
276         * cfgexpand.c (expand_gimple_cond_expr): Update.
277         (construct_exit_block): Likewise.
278         (tree_expand_cfg): Initialize/finalize locators.
279         * expr.c (expand_expr_real): Update.
280         * cfglayout.c (line_locators_locs, line_locators_lines,
281         file_locators_locs, file_locators_files): Remove.
282         (set_block_levels): Move to cfgexpand.c.
283         (insn_locators_initialize): Remove.
284         (pass_insn_locators_initialize): Remove.
285         (locations_locators_locs, locations_locators_vals): New static vars.
286         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
287         Likewise.
288         (insn_locators_alloc, insn_locators_finalize,
289         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
290         New functions.
291         (locator_location): New.
292         (locator_line, locator_file): Rewrite.
293         * rtl.h (emit_line_note): Kill.
294         (insn_locators_alloc, insn_locators_finalize,
295         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
296         Declare.
297         * tree-inline.c (initialize_cfun): Do not initialize
298         ib_boundaries_block.
299         * passes.c (pass_insn_locators_initialize): Remove.
300
301 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
302
303         PR middle-end/31448
304         * expr.c (reduce_to_bit_field_precision): Handle
305         CONST_INT rtx's.
306
307 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
308
309         PR tree-optimization/24659
310         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
311         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
312         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
313         * genopinit.c (optabs): Rename vec_pack_mod_optab
314         to vec_pack_trunc_optab.
315         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
316         early for scalar floating point operands for NOP_EXPR.
317         (vectorizable_type_promotion): Ditto.
318         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
319         vec_pack_trunc_optab.
320         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
321
322         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
323         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
324         Rename from VEC_PACK_MOD_EXPR.
325         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
326         * expr.c (expand_expr_real_1): Ditto.
327         * tree-inline.c (estimate_num_insns_1): Ditto.
328         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
329
330         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
331         (vec_unpacks_lo_v4sf): Ditto.
332         (vec_pack_trunc_v2df): Ditto.
333         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
334         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
335         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
336
337         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
338         vec_pack_mod_v8hi.
339         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
340
341         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
342         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
343         packing of floating point operands.
344         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
345         represent unpacking of floating point operands.
346         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
347         [vec_unpacks_hi]: Ditto.
348         [vec_unpacks_lo]: Ditto.
349
350 2007-04-22  Jan Hubicka  <jh@suse.cz>
351
352         * final.c (rest_of_handle_final): Call
353         targetm.asm_out.constructor/targetm.asm_out.destructor
354         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
355         proper priority via decl_*_priority_insert.
356         * c-common.c (c_expand_body): Likewise.
357
358 2007-04-22  Richard Guenther  <rguenther@suse.de>
359
360         PR tree-optimization/29789
361         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
362         (rewrite_reciprocal): New helper split out from
363         determine_invariantness_stmt.
364         (rewrite_bittest): Likewise.
365         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
366         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
367         is not.
368
369 2007-04-22  Revital Eres  <eres@il.ibm.com>
370
371         * loop-unroll.c (var_to_expand): New field to support also
372         insns of the form x = something + x.
373         (analyze_insn_to_expand_var): Use it.
374         (expand_var_during_unrolling): Likewise.
375
376 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
377
378         * predict.c: Include pointer-set.h.
379         (bb_predictions): New variable.
380         (tree_predicted_by_p, tree_predict_edge,
381         remove_predictions_associated_with_edge): Use bb_predictions map
382         instead of bb->predictions.
383         (clear_bb_predictions, assert_is_empty): New functions.
384         (combine_predictions_for_bb): Use bb_predictions map.  Call
385         clear_bb_predictions.
386         (tree_estimate_probability): Create and free bb_predictions map.
387         * Makefile.in (predict.o): Add pointer-set.h dependency.
388         * basic-block.h (struct basic_block_def): Remove predictions
389         field.
390         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
391
392 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
393
394         PR target/31480
395         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
396         is null.
397
398 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
399
400         * timevar.c (timevar_print): Change reference of --disable-checking to
401         --enable-checking=release.  Also warn if assert checking is disabled.
402
403 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
404
405         PR C/30265
406         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
407         decl as addressable if the compound literal was marked as
408         addressable.
409         Mark the decl as a gimple register if it is a complex or
410         vector decl and does not live in memory.
411
412 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
413
414         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
415         (GENERIC_NEXT): New function macro.
416         (PHI_CHAIN): Use phi_node's new chain variable.
417         (tree_phi_node): Change tree_common to tree_base
418         and add the chain field.
419         * tree-phinodes.c (make_phi_node): Don't set
420         TREE_TYPE on the new node.
421         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
422         instead of checking GIMPLE_TUPLE_P in chain_next.
423         * tree-vect-transform.c
424         (get_initial_def_for_induction): Look at
425         PHI_RESULT_TREE for the type of the phi node.
426         (update_vuses_to_preheader): Use PHI_CHAIN
427         instead of TREE_CHAIN on the phi node.
428         * tree-ssa-structalias.c (compute_points_to_sets):
429         Likewise.
430         (ipa_pta_execute): Likewise.
431
432 2007-04-21  Richard Guenther  <rguenther@suse.de>
433
434         PR middle-end/31136
435         * fold-const.c (fold_unary): Call fold_convert_const on the
436         original tree.
437
438 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
439
440         * gcse.c (store_killed_in_insn): Handle PARALLELs.
441         (store_killed_in_pat): New.
442
443 2007-04-20  Richard Henderson  <rth@redhat.com>
444
445         PR target/31628
446         * config/i386/i386.c (type_has_variadic_args_p): Look for any
447         TREE_LIST with a void_type_node value, not void_list_node exactly.
448
449 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
450
451         * doc/standards.texi: Re-arrange into language-specific
452         subsections. Add a C++ section, documenting which standards we
453         support.
454
455 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
456
457         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
458         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
459
460 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
461
462         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
463         ecrti.o and crtbegin.o.
464         (LIB_DEFAULT_SPEC): Include -lc.
465         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
466
467 2007-04-20  Richard Henderson  <rth@redhat.com>
468
469         PR target/28623
470         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
471         argument; update all callers.
472         (get_unaligned_offset): New.
473         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
474         get_unaligned_address, just pass on the address directly.
475         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
476         the subreg in the helper patterns.
477         (unaligned_extendqidi_le): Use get_unaligned_offset.
478         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
479         (unaligned_extendhidi_be): Likewise.
480         (unaligned_extendhidi): Tidy.
481         * config/alpha/alpha-protos.h: Update.
482
483 2007-04-20  Richard Henderson  <rth@redhat.com>
484
485         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
486         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
487         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
488         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
489         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
490         (CPP_SPEC): Don't include %(cpp_subtarget).
491         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
492         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
493         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
494
495 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
496
497         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
498         for __builtin_ia32_cmpordss.
499
500         PR tree-optimization/31632
501         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
502         and arg1 for optimizations of comparison against min/max values.
503         Fold arg0 to arg1's type for optimizations of comparison against
504         min+1 and max-1 values.
505
506 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
507
508         * reload.c (combine_reloads): When trying to use a dying register,
509         check whether it's uninitialized and don't use if so.
510
511 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
512
513         * fold-const.c: Remove prototypes for native_encode_expr and
514         native_interpret_expr.
515         (native_encode_expr): Make non-static.
516         (native_interpret_expr): Likewise.
517         * tree.h: Add prototypes for the above.
518
519 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
520
521         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
522         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
523         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
524         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
525         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
526         Add length attributes.
527
528 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
529
530         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
531         not that it is 1.
532
533         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
534         __STDC_WANT_DEC_FP__.
535
536 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
537
538         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
539         for long double compatibility.
540         * configure: Regenerate.
541
542 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
543
544         PR rtl-optimization/29841
545         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
546         trap instructions.
547         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
548         that may cause control flow transfer from being moved.
549
550 2007-04-18  Jan Hubicka  <jh@suse.cz>
551
552         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
553         types.
554
555 2007-04-18  Eric Christopher  <echristo@apple.com>
556
557         * config/rs6000/darwin.md (load_macho_picbase): Use link register
558         only. Update operands.
559         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
560         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
561         link register to pic register.
562
563 2007-04-18  Dirk Mueller  <dmueller@suse.de>
564
565         PR diagnostic/31227
566         * tree-vrp.c (search_for_addr_array): New.
567         (check_array_bounds): Suppress warning about
568         address taken of array refs if its not de-referenced.
569
570 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
571
572         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
573         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
574
575         * tree-vectorizer.h (NITERS_KNOWN_P): New.
576         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
577         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
578
579         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
580         dump print.
581         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
582         print message.
583         (vect_analyze_scalar_cycles): Fix indentation.
584         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
585         (vect_mark_relevant): Include phis in relevance analysis.
586
587         * tree-vect-transform.c (vect_transform_loop): Add an assert.
588
589 2007-04-18  Anatoly Sokolov <aesok@post.ru>
590
591         * config/avr/avr.c (ptrreg_to_str): Replace error() with
592         output_operand_lossage().
593
594 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
595
596         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
597         the unused code for reduction without adjust-in-epilog to simplify the
598         function.
599
600 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
601
602         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
603         (S390_TDC_NEGATIVE_ZERO): New constant.
604         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
605         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
606         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
607         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
608         (S390_TDC_POSITIVE_INFINITY): New constant.
609         (S390_TDC_NEGATIVE_INFINITY): New constant.
610         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
611         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
612         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
613         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
614         (S390_TDC_INFINITY): New constant.
615         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
616         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
617         optimization for UNSPEC_CCZ_TO_INT.
618         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
619         ("*ccz_to_int"): New insn.
620         ("isinf<mode>2"): New insn.
621         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
622         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
623         (UNSPEC_CCZ_TO_INT): New constant.
624
625 2007-04-18  Richard Guenther  <rguenther@suse.de>
626
627         PR tree-optimization/19431
628         PR tree-optimization/21463
629         * tree-pass.h (pass_phiprop): Declare.
630         * passes.c (init_optimization_passes): New phiprop pass.
631         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
632         (phivn_valid_p): New helper function.
633         (phiprop_insert_phi): Likewise.
634         (propagate_with_phi): Likewise.
635         (tree_ssa_phiprop): New propagator propagating loads
636         through phi nodes if profitable.
637
638 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
639
640         * tree-vect-analyze.c (process_use): New function.
641         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
642         Check phis in all bbs.
643         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
644         assert.
645
646 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
647
648         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
649         we use REG_EQUAL.
650
651 2007-04-17  Anatoly Sokolov <aesok@post.ru>
652
653         PR target/30483
654         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
655         error().
656
657 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
658
659         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
660         on "0".
661         (sse_vmmulv4sf3): Likewise.
662         (sse2_vmaddv2df3): Likewise.
663         (sse2_vmmulv2df3): Likewise.
664
665 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
666
667         PR rtl-optimization/31360
668         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
669         (target_reg_cost): New.
670         (init_set_costs): Initialize target_reg_cost.  Add comments
671         regarding the rationale of the costs.
672         (global_cost_for_size): Renamed to...
673         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
674         of register pressure.
675         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
676         estimate_reg_pressure_cost.  Add number of ivs.
677         (determine_set_costs): Dump target_reg_cost.
678         * loop-invariant.c (gain_for_invariant):  Use
679         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
680         (best_gain_for_invariant, find_invariants_to_move): Remove
681         n_inv_uses.
682         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
683         (target_reg_cost): Declare.
684         (global_cost_for_size): Declaration removed.
685         (estimate_reg_pressure_cost): Declare.
686
687 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
688
689         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
690         regnos into even/odd register pairs.
691         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
692         TDmode similar to the other floating point modes.
693         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
694         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
695         define_expand's.
696         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
697         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
698         (movdd_hardfloat64): Use TARGET_MFPGPR.
699
700 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
701
702         * reload1.c (delete_output_reload): Don't count output in n_inherited.
703
704         Revert
705         2005-01-05  Richard Henderson  <rth@redhat.com>
706         PR rtl-opt/10692
707         * reload1.c (do_input_reload): Restrict the optimization deleteing
708         a previous output reload to RELOAD_FOR_INPUT.
709
710 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
711
712         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
713         induc_vec_info_type.
714         (vectorizable_induction): New function declaration.
715         * tree-vect-transform.c (get_initial_def_for_induction): No need to
716         check if already vectorized.  Find first place in BB where new stmts
717         can be inserted.  Takes only one argument.
718         (vectorizable_induction): New function.
719         (vect_transform_stmt): Add case for induc_vec_info_type to call
720         vectorizable_induction.
721         (vect_transform_loop): Consider phis for vectorization.
722         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
723         condition.
724         (analyze_operations): Call vectorizable_induction when analyzing phis.
725         Fix comment.
726         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
727         (vect_mark_relevant): Include phis in relevance analysis.
728         (vect_mark_stmts_to_be_vectorize): Likewise.
729         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
730
731 2007-04-16  Lawrence Crowl  <crowl@google.com>
732
733         * doc/invoke.texi (Debugging Options): Add documentation for the
734         -femit-struct-debug options -femit-struct-debug-baseonly,
735         -femit-struct-debug-reduced, and
736         -femit-struct-debug-detailed[=...].
737
738         * c-opts.c (c_common_handle_option): Add
739         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
740         and OPT_femit_struct_debug_detailed_.
741         * c.opt: Add specifications for
742         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
743         and -femit-struct-debug-detailed[=...].
744         * opts.c (set_struct_debug_option): Parse the
745         -femit-struct-debug-... options.
746         * opts.c (matches_main_base, main_input_basename,
747         main_input_baselength, base_of_path, matches_main_base): Add
748         variables and functions to compare header base name to compilation
749         unit base name.
750         * opts.c (should_emit_struct_debug): Add to determine to emit a
751         structure based on the option.
752         (dump_struct_debug) Also disabled function to debug this
753         function.
754         * opts.c (handle_options): Save the base name of the
755         compilation unit.
756
757         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
758         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
759         This hook indicates if a type is generic.  Set it by default
760         to "never generic".
761         * langhooks.h (struct lang_hooks_for_types): Add a new hook
762         to determine if a struct type is generic or not.
763         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
764         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
765         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
766         with live C++ hook.
767
768         * flags.h (enum debug_info_usage): Add an enumeration to describe
769         a program's use of a structure type.
770         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
771         to indicate the program's usage of the type.  Filter structs based
772         on the -femit-struct-debug-... specification.
773         (gen_type_die): Split into two routines, gen_type_die and
774         gen_type_die_with_usage.  gen_type_die is now a wrapper
775         that assumes direct usage.
776         (gen_type_die_with_usage): Replace calls to gen_type_die
777         with gen_type_die_with_usage adding the program usage of
778         the referenced type.
779         (dwarf2out_imported_module_or_decl): Suppress struct debug
780         information using should_emit_struct_debug when appropriate.
781
782 2007-04-16  Ian Lance Taylor  <iant@google.com>
783
784         PR tree-optimization/31522
785         * tree-vrp.c (vr_phi_edge_counts): New static variable.
786         (vrp_initialize): Allocate vr_phi_edge_counts.
787         (vrp_visit_phi_node): Don't push to infinity if we saw a new
788         executable edge.  Drop test for all constants.
789         (vrp_finalize): Free vrp_phi_edge_counts.
790
791         * doc/cpp.texi (Common Predefined Macros): Clarify description of
792         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
793
794         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
795         predecessors at head rather than tail.
796
797 2007-04-16  Matthias Klose  <doko@debian.org>
798
799         * config/alpha/linux.h (CPP_SPEC): Define.
800         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
801
802 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
803
804         * function.h: Remove sequence_stack extern declaration.
805
806 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
807
808         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
809         TARGET_FIDOA.
810         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
811         defined.
812
813 2007-04-16  Anatoly Sokolov <aesok@post.ru>
814
815         * config/avr/avr.c (avr_arch_types): Rearranging  array.
816         (enum avr_arch): Add.
817         (avr_mcu_types): Use avr_arch enumeration constants instead of
818         numbers.
819         * config/avr/avr.h (LINK_SPEC): Simplify.
820
821 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
822
823         * config/m68k/m68k.c (m68k_libcall_value,
824         m68k_function_value): Use macros for register names more.
825
826         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
827         instead.
828         (M68K_REGNAME): Use A6_REG.
829         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
830
831 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
832
833         PR middle-end/28071
834         * sched-int.h (struct deps): Split field 'pending_lists_length' into
835         'pending_read_list_length' and 'pending_write_list_length'.  Update
836         comment.
837         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
838         to handle two length counters instead of one.  Update all uses.
839         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
840         two length counters instead of one.
841         * sched-rgn.c (propagate_deps): Update to handle two length counters
842         instead of one.
843
844 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
845
846         PR target/31582
847         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
848         copy of source, pass it to ix86_expand_vector_set and return
849         it as target.
850
851 2007-04-16  David Ung  <davidu@mips.com>
852             Joseph Myers  <joseph@codesourcery.com>
853
854         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
855         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
856         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
857         Add 74K processor information.
858         * config/mips/mips.md: Include 74k.md.
859         (cpu): Add 74kc,74kf,74kx.
860         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
861         * config/mips/74k.md: New.
862         * doc/invoke.texi (MIPS Options): Document 74K support.
863
864 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
865
866         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
867         vectorizable_* functions.
868         * tree-vect-transform.c (vectorizable_call): Add check for
869         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
870         (vectorizable_store): likewise.
871         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
872         Add comments.
873         (vectorizable_operation, vectorizable_type_demotion): Likewise.
874         (vectorizable_type_promotion, vectorizable_load): Likewise.
875         (vectorizable_live_operation, vectorizable_condition): Likewise.
876         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
877         STMT_VINFO_LIVE_P.
878         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
879
880 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
881
882         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
883         register numbers more.
884         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
885         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
886         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
887         FUNCTION_VALUE_REGNO_P): Likewise.
888         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
889         STATIC_CHAIN_REGNUM): Likewise.
890         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
891         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
892         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
893         * config/m68k/m68k.md (FP_REG): New.
894
895 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
896
897         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
898         alignment on fido.
899
900 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
901
902         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
903         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
904         comment typos.
905
906 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
907
908         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
909         cold loops.
910
911 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
912
913         PR c/31520
914         * c-decl.c (finish_decl): Grab the type of the decl after the call
915         to store_init_value.
916
917 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
918
919         * common.opt (fforward-propagate): Fix "Optimization" annotation.
920
921 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
922
923         PR c++/25874
924         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
925         post dominators and cleanup cfg before returning.
926
927 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
928
929         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
930         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
931
932 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
933
934         * config.gcc: Recognize fido.
935         * config/m68k/m68k-devices.def (fidoa): New.
936         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
937         __mfido__.
938         (FL_FIDOA, TARGET_FIDOA): New.
939         * config/m68k/m68k.opt (mfidoa): New.
940
941 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
942
943         PR middle-end/31322
944         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
945         when a personality function is used.
946
947 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
948
949         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
950
951 2007-04-13  Mike Stump  <mrs@apple.com>
952
953         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
954         we can...
955         * config/darwin.opt (fapple-kext): Make C++ only.
956         * config/darwin.c (darwin_override_options): Remove code to ensure
957         -fapple-kext is given for C++ only.
958
959 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
960
961         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
962         * config/mips/mips.c (override_options): Call
963         SUBTARGET_OVERRIDE_OPTIONS, if defined.
964
965 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
966
967         * config/i386/i386.opt (msvr3-shlib): Removed.
968
969         * doc/invoke.texi: Remove -msvr3-shlib.
970
971 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
972
973         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
974         with "popcnt" instruction.
975
976 2007-04-13  Richard Guenther  <rguenther@suse.de>
977
978         PR tree-optimization/21258
979         * tree-vrp.c (compare_case_labels): New helper.
980         (find_switch_asserts): New function.
981         (find_assert_locations): Call it for SWITCH_EXPRs.
982
983 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
984
985         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
986         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
987         check is now implied in X87_FLOAT_MODE_P.
988         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
989         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
990         (fix_trunc<mode>_i386_fisttp): Ditto.
991         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
992         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
993         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
994         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
995         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
996         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
997         (unnamed_splitters): Ditto.
998         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
999         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1000         FIRST_SSE_REG for local functions when SSE math is enabled or
1001         for functions with sseregparm attribute.
1002         (standard_80387_constant_p): Return -1 if mode is not
1003         X87_FLOAT_MODE_P.
1004         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1005         (ix86_expand_compare): Ditto.
1006         (ix86_expand_carry_flag_compare): Ditto.
1007         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1008         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1009         DECIMAL_FLOAT_MODE_P.
1010         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1011         of SCALAR_FLOAT_MODE_P.
1012         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1013         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1014         checks before FLOAT_MODE_P.
1015         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1016         before FLOAT_MODE_P.
1017         [DIV]: Ditto.
1018         [NEG]: Ditto.
1019         [ABS]: Ditto.
1020         [SQRT]: Ditto.
1021         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1022
1023 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1024             Charles Wilson  <libtool@cwilson.fastmail.fm>
1025
1026         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1027         (libgcc.mvars): Don't depend on them.
1028         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1029         * exec-tool.in: New.
1030
1031 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1032
1033         * doc/invoke.text (--help): Document --help=common.
1034
1035 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1036
1037         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1038
1039 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1040
1041         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1042         * genemit.c (main): Emit #include "integrate.h".
1043         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1044         (LOADGP_RTP): New mips_loadgp_style.
1045         * config/mips/mips.h: Include config/vxworks-dummy.h.
1046         (TARGET_RTP_PIC): New macro.
1047         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1048         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1049         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1050         for TARGET_RTP_PIC.
1051         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1052         -mvxworks-pic when using -mrtp and a PIC option.
1053         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1054         for RTP PIC.
1055         (mips_symbolic_constant_p, mips_symbolic_address_p)
1056         (mips_symbol_insns): Handle SYMBOL_HALF.
1057         (override_options): Warn about -G and -mrtp being used together.
1058         Initialize mips_lo_relocs[SYMBOL_HALF].
1059         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1060         (mips_emit_loadgp): Handle LOADGP_RTP.
1061         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1062         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1063         (tablejump): Handle function-relative case table entries if
1064         TARGET_RTP_PIC.
1065         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1066
1067 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1068
1069         * config/mips/mips.md (load_call<mode>): Allow any general register.
1070         destination.
1071         (sibcall_value_internal, sibcall_value_multiple_internal)
1072         (call_value_internal, call_value_split, call_value_multiple_internal)
1073         (call_value_multiple_split): Remove constraints from operand 0.
1074
1075 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1076
1077         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1078         rather than loadgp_noshared.
1079         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1080         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1081         gen_loadgp.
1082         * config/mips/mips.md (loadgp): Rename to...
1083         (loadgp_newabi): ...this.
1084         (loadgp_noshared): Rename to...
1085         (loadgp_absolute): ...this.
1086
1087 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1088
1089         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1090         false for locally-binding symbols.
1091         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1092
1093 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1094
1095         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1096         (SYMBOL_GOT_PAGE_OFST): ...this.
1097         (SYMBOL_GOT_GLOBAL): Rename to...
1098         (SYMBOL_GOT_DISP): ...this.
1099         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1100         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1101         * config/mips/mips.c (mips_global_symbol_p): New function.
1102         (mips_symbol_binds_local_p): Likewise.
1103         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1104         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1105         and mips_symbol_binds_local_p.
1106         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1107         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1108         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1109         SYMBOL_GOTOFF_DISP.
1110         (mips_ok_for_lazy_binding_p): New function.
1111         (mips_load_call_address, mips_expand_call): Use it.
1112         (mips_dangerous_for_la25_p): Likewise.
1113         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1114         (*got_disp<mode>): Use got_disp_operand instead of
1115         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1116         SYMBOL_GOTOFF_GLOBAL.
1117         (*got_page<mode>): Use got_page_ofst_operand instead of
1118         local_got_operand.
1119         * config/mips/predicates.md (const_call_insn_operand): Use
1120         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1121         (global_got_operand): Rename to...
1122         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1123         SYMBOL_GOT_GLOBAL.
1124         (local_got_operand): Rename to...
1125         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1126         of SYMBOL_GOT_LOCAL.
1127
1128 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1129
1130         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1131         TARGET_CALL_CLOBBERED_GP.
1132         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1133         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1134         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1135         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1136         of TARGET_ABICALLS && !TARGET_NEWABI.
1137         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1138         * config/mips/mips.c (mips_load_call_address): Check
1139         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1140         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1141         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1142         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1143         TARGET_ABICALLS && TARGET_NEWABI.
1144         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1145         TARGET_ABICALLS.
1146         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1147         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1148         TARGET_ABICALLS && TARGET_NEWABI.
1149         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1150         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1151         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1152         whether indirect calls must use $25.
1153         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1154         TARGET_ABICALLS.
1155         * config/mips/mips.md (jal_macro): Check flag_pic and
1156         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1157         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1158         instead of TARGET_ABICALLS.
1159         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1160         TARGET_ABICALLS && TARGET_OLDABI.
1161         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1162         (sibcall): In the comment above the define_insn, mention
1163         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1164         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1165         instead of TARGET_ABICALLS.
1166
1167 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1168
1169         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1170         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1171         (MACFLAGS_MATCH_P): New macro.
1172         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1173         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1174         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1175         the other MACFLAG constants.
1176         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1177         (flag_machi): Tighten constraints.  Renumber some of the operands.
1178         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1179         output template.
1180         (flag_machi_parts_acconly): New pattern.
1181         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1182         used.
1183         (flag_macinit1hi): Tighten constraints.
1184         (flag_mul_macv2hi_parts_acconly): New pattern.
1185
1186         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1187         Use a more efficient implementation.
1188         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1189         inline sequences when not optimizing for size.
1190
1191         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1192         movhi_high2low): Delete, merge functionality into...
1193         (packv2hi): ... this pattern.
1194
1195         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1196         * config/bfin/bfin.opt (msim): New option.
1197         (mcpu=): New option.
1198         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1199         (bfin_cpu_t): Typedef of enum bfin_cpu.
1200         (bfin_cpu_type): New declaration.
1201         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1202         -msim and -mcpu= options.
1203         (LIB_SPEC): Likewise.
1204         * config/bfin/bfin.c (bfin_cpu_type): Define.
1205         (bfin_handle_option): Handle -mcpu= option.
1206         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1207         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1208         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1209
1210 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1211
1212         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1213         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1214         (powerpc-wrs-vxworksae): Use ${tm_file}.
1215         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1216         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1217         * config/i386/vx-common.h: New file.
1218
1219 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1220
1221         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1222         of crt0.o%s.
1223
1224 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1225
1226         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1227         ldxtr.
1228
1229 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1230
1231         PR c++/31078
1232         PR c++/31103
1233         * c-common.c (c_build_qualified_type): Set canonical type
1234         appropriately.
1235
1236 2007-04-12  Richard Guenther  <rguenther@suse.de>
1237
1238         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1239         lower bound and element size if lower bound is not zero
1240         or either of the ARRAY_REF operands is set.
1241
1242 2007-04-12  Richard Guenther  <rguenther@suse.de>
1243
1244         PR tree-optimization/24689
1245         PR tree-optimization/31307
1246         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1247         indices by value.
1248         * gimplify.c (canonicalize_addr_expr): To be consistent with
1249         gimplify_compound_lval only set operands two and three of
1250         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1251         it never at this place.
1252         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1253
1254 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1255
1256         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1257         null before emitting a .nsubspa directive.
1258
1259 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1260
1261         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1262         need_to_partition_p if there are no memory statements in the
1263         function.
1264
1265 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1266
1267         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1268         (gcd_of_steps_may_divide_p): New function.
1269         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1270
1271 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1272
1273         * reload.c (find_reloads_toplev, find_reloads_address,
1274         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1275         not a pointer equality test, to decide if we need to call
1276         push_reg_equiv_alt_mem.
1277
1278 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1279
1280         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1281         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1282         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1283
1284 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1285
1286         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1287         vector to be positive.
1288
1289 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1290
1291         PR 30735
1292         PR 31090
1293         * doc/invoke.texi: Document --params max-aliased-vops and
1294         avg-aliased-vops.
1295         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1296         debug_memory_partitions): Move to tree-flow.h
1297         * params.h (AVG_ALIASED_VOPS): Define.
1298         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1299         users.
1300         (mp_info_t): Likewise.
1301         (get_mem_sym_stats_for): New.
1302         (set_memory_partition): Move from tree-flow-inline.h.
1303         (mark_non_addressable): Only clear the set of symbols for the
1304         partition if it exists.
1305         (dump_memory_partitions): Move from tree-ssa-operands.c
1306         (debug_memory_partitions): Likewise.
1307         (need_to_partition_p): New.
1308         (dump_mem_ref_stats): New.
1309         (debug_mem_ref_stats): New.
1310         (dump_mem_sym_stats): New.
1311         (debug_mem_sym_stats): New.
1312         (update_mem_sym_stats_from_stmt): New.
1313         (compare_mp_info_entries): New.
1314         (mp_info_cmp): Call it.
1315         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1316         objects.
1317         (get_mpt_for): Move from tree-ssa-operands.c.
1318         (find_partition_for): New.
1319         (create_partition_for): Remove.
1320         (estimate_vop_reduction): New.
1321         (update_reference_counts): New.
1322         (build_mp_info): New.
1323         (compute_memory_partitions): Refactor.
1324         Document new heuristic.
1325         Call build_mp_info, update_reference_counts,
1326         find_partition_for and estimate_vop_reduction.
1327         (compute_may_aliases): Populate virtual operands before
1328         calling debugging dumps.
1329         (delete_mem_sym_stats): New.
1330         (delete_mem_ref_stats): New.
1331         (init_mem_ref_stats): New.
1332         (init_alias_info): Call it.
1333         (maybe_create_global_var): Remove alias_info argument.
1334         Get number of call sites and number of pure/const call sites
1335         from gimple_mem_ref_stats().
1336         (dump_alias_info): Call dump_memory_partitions first.
1337         (dump_points_to_info_for): Show how many times a pointer has
1338         been dereferenced.
1339         * opts.c (decode_options): For -O2 set --param
1340         max-aliased-vops to 500.
1341         For -O3 set --param max-aliased-vops to 1000 and --param
1342         avg-aliased-vops to 3.
1343         * fortran/options.c (gfc_init_options): Remove assignment to
1344         MAX_ALIASED_VOPS.
1345         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1346         * tree-dfa.c (dump_variable): Dump memory reference
1347         statistics.
1348         Dump NO_ALIAS* settings.
1349         (referenced_var_lookup): Tidy.
1350         (mem_sym_stats): New.
1351         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1352         and ORIG are different SSA names for a memory partition.
1353         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1354         * tree-flow.h (struct mem_sym_stats_d): Define.
1355         (mem_sym_stats_t): Define.
1356         (struct mem_ref_stats_d): Define.
1357         (struct gimple_df): Add field mem_ref_stats.
1358         (enum noalias_state): Define.
1359         (struct var_ann_d): Add bitfield noalias_state.
1360         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1361         debug_mem_ref_stats, debug_memory_partitions,
1362         debug_mem_sym_stats): Declare.
1363         * tree-ssa-structalias.c (update_alias_info): Update call
1364         sites, pure/const call sites and asm sites in structure
1365         returned by gimple_mem_ref_stats.
1366         Remove local variable IS_POTENTIAL_DEREF.
1367         Increase NUM_DEREFS if the memory expression is a potential
1368         dereference.
1369         Call update_mem_sym_stats_from_stmt.
1370         If the memory references memory, call
1371         update_mem_sym_stats_from_stmt for all the direct memory
1372         symbol references found.
1373         (intra_create_variable_infos): Set noalias_state field for
1374         pointer arguments according to the value of
1375         flag_argument_noalias.
1376         * tree-ssa-structalias.h (struct alias_info): Remove fields
1377         num_calls_found and num_pure_const_calls_found.
1378         (update_mem_sym_stats_from_stmt): Declare.
1379         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1380         Set default value to 100.
1381         (PARAM_AVG_ALIASED_VOPS): Define.
1382
1383 2007-04-11  Richard Guenther  <rguenther@suse.de>
1384
1385         PR middle-end/31530
1386         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1387         a * -b + c as c - a * b if we honor sign dependent rounding.
1388
1389 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1390
1391         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1392         bfin_expand_strmov.
1393         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1394         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1395         variables.
1396         (initialize_trampoline): Don't use old-style function definition.
1397         (bfin_secondary_reload): Mark IN_P argument as unused.
1398
1399 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1400
1401         PR tree-optimization/31343
1402         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1403         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1404         * testsuite/gcc.dg/vect/pr31343.c: New.
1405
1406 2007-04-10  Eric Christopher  <echristo@apple.com>
1407
1408         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1409         * config/i386/i386.md (*cmpfp0): Use.
1410         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1411         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1412         (fix_trunc<mode>_i386_fisttp): Ditto.
1413         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1414         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1415         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1416         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1417         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1418         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1419         (unnamed_splitters): Ditto.
1420         * config/i386/i386.c (output_fix_trunc): Assert that
1421         we're not being passed a TFmode operand.
1422
1423 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1424
1425         PR tree-optimization/31526
1426         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1427         n_basic_blocks to find newly added blocks.
1428
1429 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1430
1431         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1432         alternative.
1433         (fix_trunc<mode>si_sse): Ditto.
1434         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1435         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1436         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1437         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1438         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1439         expander using SSEMODEF mode macro.
1440         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1441         expander using SSEMODEF mode macro.
1442         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1443         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1444         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1445         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1446         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1447         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1448         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1449         Macroize insn using X87MODEF mode macro.
1450
1451 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1452
1453         * config/i386/sse.md (sse2_pinsrw): Removed.
1454         (sse2_pextrw): Renamed to ...
1455         (*sse2_pextrw): This.
1456
1457 2007-04-09  Jan Hubicka  <jh@suse.cz>
1458
1459         PR target/27869
1460         * config/i386/sse.md
1461         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1462         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1463         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1464         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1465
1466 2007-04-09  Jan Hubicka  <jh@suse.cz>
1467
1468         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1469         multiple fields of union.
1470
1471 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1472
1473         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1474         (create_preheaders): Check that loops are available.
1475         (fix_loop_structure): Clean up, improve comments.
1476         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1477         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1478         state flags.
1479         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1480         * predict.c (tree_estimate_probability): Do not call
1481         calculate_dominance_info.  Call create_preheaders.
1482         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1483         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1484         flags.
1485         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1486         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1487         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1488         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1489         arguments.
1490
1491 2007-04-08  Jan Hubicka  <jh@suse.cz>
1492
1493         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1494         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1495         * fold-const.c (fold_unary): Use it.
1496
1497 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1498
1499         * varasm.c (assemble_variable): Remove call to
1500         lang_hooks.decls.prepare_assemble_variable.
1501         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1502         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1503         * langhooks.h (lang_hooks_for_decls): Remove
1504         prepare_assemble_variable.
1505
1506 2007-04-08  Mike Stump  <mrs@apple.com>
1507
1508         * config/i386/i386.c: Use inc/dec on Core2.
1509
1510 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1511
1512         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1513         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1514         lhd_tree_inlining_end_inlining): Remove.
1515         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1516         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1517         end_inlining hooks.
1518         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1519         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1520         lhd_tree_inlining_end_inlining): Remove prototypes.
1521         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1522         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1523         LANG_HOOKS_TREE_INLINING_START_INLINING,
1524         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1525
1526         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1527         not set it.
1528
1529 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1530
1531         PR target/29932
1532         * config/avr/predicates.md (io_address_operand): Delete predicate.
1533         (low_io_address_operand): Don't use 'mode' argument.
1534         (higth_io_address_operand): Rename ...
1535         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1536         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1537         for above change.
1538
1539 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1540
1541         Revert change removing staticp.
1542
1543 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1544
1545         PR target/30289
1546         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1547         earlyclobber.
1548
1549 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1550
1551         * c.opt: Add -Wformat-contains-nul.
1552         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1553           -Wformat setting.
1554         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1555         the NUL byte warning.
1556
1557 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1558
1559         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1560
1561 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1562
1563         * tree.c (staticp): No longer use staticp langhook.
1564         * langhooks.c (lhd_staticp): Removed.
1565         * langhooks.h (struct lang_hooks): Remove staticp.
1566         * c-common.c (c_staticp): Remove.
1567         * c-common.h (c_staticp): Ditto.
1568         * langhooks-defs.h (lhd_staticp): Ditto.
1569         (LHD_HOOKS_STATICP): Ditto
1570         * tree.h (gcc_assert_lowered): New macro.
1571
1572 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1573
1574         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1575         argument "reliable".
1576         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1577         Add argument "reliable".  Propagate it through calls.
1578         (infer_loop_bounds_from_undefined):  Derive number of iterations
1579         estimates from references in blocks that do not dominate loop latch.
1580         (gcov_type_to_double_int): New function.
1581         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1582         and expected_loop_iterations_unbounded.
1583         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1584         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1585         * tree-data-ref.c (estimated_loop_iterations): Export.
1586         (get_references_in_stmt): Fix -- do not return addresses of local
1587         objects.
1588         * cfgloop.h (expected_loop_iterations_unbounded,
1589         estimated_loop_iterations): Declare.
1590
1591 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1592
1593         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1594
1595 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1596
1597         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1598         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1599         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1600         Use output_387_reg_move().
1601         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1602         expander using X87MODEF12 mode macro.
1603         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1604         choosing register preferences.  Use output_387_reg_move().
1605         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1606         instead of "x".  Use output_387_reg_move().
1607         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1608         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1609         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1610         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1611         Use output_387_reg_move().
1612         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1613         mode macro.
1614         (*truncxf?f_i387 splitter): Ditto.
1615
1616 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1617
1618         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1619         LANG_HOOKS_SAFE_FROM_P.
1620         * expr.c (safe_from_p): Remove langhook call.
1621         * langhooks.h (lang_hooks): Remove safe_from_p.
1622         (lhd_safe_from_p): Remove prototype.
1623         * langhooks.c (lhd_safe_from_p): Remove.
1624
1625 2007-04-06  Jan Hubicka  <jh@suse.cz>
1626
1627         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1628         functions.
1629
1630 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1631
1632         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1633         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1634         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1635         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1636         alternative.
1637         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1638         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1639
1640 2007-04-05  Richard Henderson  <rth@redhat.com>
1641
1642         * config/alpha/alpha.c (print_operand) [+]: Remove.
1643         (alpha_end_function): Print nop if call at end of function.
1644         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1645         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1646         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1647         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1648         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1649         the call pattern. Update peepholes to match.
1650
1651 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
1652
1653         * doc/extend.texi (Other Builtins): Add decimal float variants
1654         of signbit.
1655         * builtins.def: Ditto.
1656         * builtins.c (expand_builtin): Ditto.
1657
1658 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
1659             H.J. Lu  <hongjiu.lu@intel.com>
1660
1661         PR target/31478
1662         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1663         of V8HImode when calling ix86_binary_operator_ok.
1664         (sse2_pmaddwd): Call ix86_binary_operator_ok.
1665         (sdot_prodv8hi): Operands 1 and 2 must be register.
1666
1667 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1668
1669         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1670         initialize align to silence bogus warning.
1671
1672 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1673
1674         PR middle-end/22156
1675         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1676         all_no_warning.
1677         (struct sra_walk_fns): Remove use_all parameter from use.
1678         (sra_hash_tree): Handle BIT_FIELD_REFs.
1679         (sra_elt_hash): Don't hash bitfld blocks.
1680         (sra_elt_eq): Skip them in parent compares as well.  Handle
1681         BIT_FIELD_REFs.
1682         (sra_walk_expr): Don't maintain or pass down use_all_p.
1683         (scan_use): Remove use_all parameter.
1684         (scalarize_use): Likewise.  Re-expand assignment to
1685         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1686         output, and re-scalarize after output.  Don't mark anything
1687         for no warning.
1688         (scalarize_ldst): Adjust.
1689         (scalarize_walk_gimple_modify_statement): Likewise.
1690         (build_element_name_1): Handle BIT_FIELD_REFs.
1691         (instantiate_element): Don't warn for any element whose parent
1692         is used as a whole.
1693         (instantiate_missing_elements_1): Return the sra_elt.
1694         (canon_type_for_field): New.
1695         (try_instantiate_multiple_fields): New.
1696         (instantiate_missing_elemnts): Use them.
1697         (mark_no_warning): Removed.
1698         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1699         (REPLDUP, sra_build_elt_assignment): New.
1700         (generate_copy_inout): Use them.
1701         (generate_element_copy): Likewise.  Handle bitfld differences.
1702         (generate_element_zero): Don't recurse for blocks.  Use
1703         sra_build_elt_assignment.
1704         (generate_one_element_int): Take elt instead of var.  Use
1705         sra_build_elt_assignment.
1706         (generate_element_init_1): Adjust.
1707         (scalarize_use, scalarize_copy): Use REPLDUP.
1708         (scalarize_ldst): Move assert before dereference.
1709         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1710
1711 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1712
1713         * regmove.c: Fix unused variable warnings due to previous commit.
1714
1715 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1716
1717         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1718         (regmove_bb_head): Remove.
1719         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1720         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1721         problems with fixup_match_1.
1722         Don't initialize/free regmove_bb_head.
1723
1724         (reg_is_remote_constant_p): If an insn is in the same basic block
1725         but not before INSN, consider it remote, too.
1726
1727 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1728
1729         PR target/25448
1730         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1731         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1732
1733 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
1734
1735         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1736         (CONDITIONAL_REGISTER_USAGE): Likewise.
1737
1738 2007-04-04  Richard Henderson  <rth@redhat.com>
1739
1740         * config/alpha/lib1funcs.asm: Remove unused file.
1741
1742 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1743
1744         PR other/31356
1745         * opts.c (print_specific_help): Fix --help=<language>
1746         header line.
1747         (common_handle_option): Support --help=common.
1748
1749 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1750
1751         PR other/31353
1752         * gcc.c (main): Do not run the linker if
1753         print_subprocess_help indicates that it shouldn't be
1754         run.
1755
1756 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1757
1758         PR doc/31355
1759         * doc/invoke.texi (--help=): Document <languages> value, fix
1760         formatting in tables of values.
1761
1762 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
1763
1764         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1765         dllimport attribute of virtual methods.
1766
1767 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
1768
1769         * config/score/crti.asm: Change _bss_start to __bss_start.
1770         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1771         (OUTGOING_REG_PARM_STACK_SPACE) update.
1772         * config/score/score.opt: add options to make backend support
1773         score5, score5u, score7 and score7d.
1774         * config/score/score.md: Likewise.
1775         * config/score/misc.md: Likewise.
1776         * config/score/mac.md: Likewise.
1777         * doc/invoke.texi: Likewise.
1778         * doc/md.texi: update constraints define.
1779
1780 2007-04-03  Richard Henderson  <rth@redhat.com>
1781
1782         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1783         an appropriate type, use the mode instead.
1784
1785 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
1786
1787         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1788         Set the default --with-arch setting to mips2.
1789         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1790         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1791         (MULTILIB_OSDIRNAMES): Delete.
1792         (MULTILIB_DIRNAMES): Define.
1793         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1794         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1795         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1796         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
1797         VXWORKS_OS_CPP_BUILTINS.
1798         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1799         (MIPS_DEBUGGING_INFO): Undefine.
1800         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1801
1802 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1803
1804         PR middle-end/30704
1805         * fold-const.c (native_encode_real): Encode real.c provided longs
1806         as a series of 32-bit native integers.
1807         (native_interpret_real): Interpret buffer as a series of 32-bit
1808         native integers.
1809
1810 2007-04-03  Richard Guenther  <rguenther@suse.de>
1811
1812         * genpreds.c (write_insn_constraint_len): Write function
1813         optimized for CONSTRAINT_LEN implementation.
1814         (write_tm_preds_h): Output insn_constraint_len inline and
1815         use it for CONSTRAINT_LEN.
1816         (write_insn_preds_c): Don't output insn_constraint_len.
1817         * doc/md.texi (define_register_constraint): Document multi-letter
1818         constraints shall have the same length if they start with the same
1819         letter.
1820
1821 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1822
1823         PR target/31175
1824         * config/i386/i386.md (isinf<mode>2): Expand only when
1825         TARGET_C99_FUNCTIONS is set.
1826
1827 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1828
1829         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1830         (x86_64-*-linux*): Ditto.
1831         * config/i386/i386.opt (mpc): New option.
1832         * config/i386/i386.c (overrride_options): Handle
1833         ix87_precision_string.
1834         * config/i386/crtprec.c: New file.
1835         * config/i386/t-crtpc: Ditto.
1836         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1837         and -mpc80 options.
1838         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1839         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1840         crtprec32.o, crtprec64.o and crtprec80.o.
1841
1842         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1843         and -mpc80 options.
1844         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1845
1846 2007-04-02  Eric Christopher  <echristo@apple.com>
1847
1848         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1849         limitations on darwin.
1850
1851 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1852
1853         PR target/31137
1854         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1855
1856 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1857
1858         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1859
1860 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1861
1862         * libgcc2.h (exception_descriptor): Don't forward-declare.
1863         (__get_eh_table_language, __get_eh_table_version): Delete
1864         prototypes of long-dead functions.
1865
1866 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1867
1868         * ebitmap.h: New file
1869         * ebitmap.c: New file
1870         * Makefile.in (ebitmap.o): New target.
1871
1872 2007-04-01  Jan Hubicka  <jh@suse.cz>
1873
1874         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1875         before very first instruction.
1876
1877 2007-04-01  Jan Hubicka  <jh@suse.cz>
1878
1879         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1880         waring on 64bit hosts.
1881         * bitmap.h: Fix typo in bitmap_head_def.
1882
1883 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1884
1885         PR rtl-optimization/31391
1886         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1887         into a DELETED_LABEL note, and the label is in an empty basic
1888         block, update BB_END as well as BB_HEAD.
1889
1890 2007-04-01  Richard Henderson  <rth@redhat.com>
1891
1892         PR tree-optimization/31169
1893         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1894         to varying if the range is outside [0,  prec-1].
1895
1896 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1897
1898         PR target/31388
1899         * config/mips/mips.md (load_const_gp): New insn.
1900         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1901         the MIPS16 GP pseudo register if no_new_pseudos.
1902         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
1903
1904 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1905
1906         PR target/31364
1907         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1908         secureplt.
1909         (call_value): Likewise.
1910
1911 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1912             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1913
1914         PR 14737
1915         * doc/invoke.texi: (optimization options): Reword description
1916         of -ffast-math. Document its primary purpose.
1917
1918 2007-03-31  Richard Guenther  <rguenther@suse.de>
1919
1920         * omp-low.c (splay-tree.h): Include.
1921         (lookup_decl): Replace splay-tree usage by pointer-map.
1922         (maybe_lookup_decl): Likewise.
1923         (new_omp_context): Likewise.
1924         (delete_omp_context): Likewise.
1925         * gimplify.c (splay-tree.h): Include.
1926         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1927         pointer-map.
1928         (remap_ssa_name): Likewise.
1929         (remap_decl): Likewise.
1930         (remap_type_1): Likewise.
1931         (remap_type): Likewise.
1932         (copy_body_r): Likewise.
1933         (expand_call_inline): Likewise.
1934         (clone_body): Likewise.
1935         (copy_tree_r): Likewise.
1936         (remap_save_expr): Likewise.
1937         (unsave_r): Likewise.
1938         (unsave_expr_now): Likewise.
1939         (tree_function_versioning): Likewise.
1940         (build_duplicate_type): Likewise.
1941         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1942         (struct copy_body_data): Replace splay-tree by pointer-map.
1943         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1944         not $(SPLAY_TREE_H).
1945         (gimplify.o): Depend on $(SPLAY_TREE_H).
1946         (omp-low.p): Likewise.
1947
1948 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1949
1950         * config/avr/predicates.md (even_register_operand,
1951         odd_register_operand): New predicates.
1952         * config/avr/avr.md (movw peephole2): New.
1953         (movw_r peephole2): New.
1954
1955 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1956
1957         * tree.h (get_signed_or_unsigned_type): New.
1958         * fold-const.c (operand_equal_for_comparison_p): Use
1959         get_signed_or_unsigned_type instead of
1960         lang_hooks.types.signed_or_unsigned_type.
1961         * expr.c (store_expr): Ditto.
1962         * langhooks.c (get_signed_or_unsigned_type): New.
1963         (lhd_signed_or_unsigned_type): New.
1964         * langhooks.h (lhd_signed_or_unsigned_type): New.
1965         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1966
1967 2007-03-30  Richard Henderson  <rth@redhat.com>
1968
1969         * tree-ssa-loop-ivopts.c: Include target.h.
1970         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1971         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1972         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1973         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1974
1975 2007-03-30  Richard Henderson  <rth@redhat.com>
1976             Kai Tietz  <kai.tietz@onevision.com>
1977
1978         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1979         default for 64-bit.
1980         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1981         (TARGET_64BIT_MS_ABI): New.
1982         (DBX_REGISTER_NUMBER): Handle 64-bit.
1983         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1984         (LONG_TYPE_SIZE): Force to 32.
1985         (REG_PARM_STACK_SPACE): New.
1986         (OUTGOING_REG_PARM_STACK_SPACE): New.
1987         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1988         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1989         (STACK_BOUNDARY): Use 128 for 64-bit.
1990         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1991         Add 64-bit implementation.
1992         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1993         argument unused.
1994         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1995         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1996         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1997         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1998         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1999         TARGET_64BIT_MS_ABI.
2000         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2001         (ix86_pass_by_reference): Likewise.
2002         (ix86_function_value_regno_p): Likewise.
2003         (ix86_build_builtin_va_list): Likewise.
2004         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2005         (function_arg_advance_ms_64): New.
2006         (function_arg_advance): Call it.
2007         (function_arg_ms_64): New.
2008         (function_arg): Call it.
2009         (function_value_ms_64): New.
2010         (ix86_function_value_1): Call it.
2011         (return_in_memory_ms_64): New.
2012         (ix86_return_in_memory): Call it.
2013         (setup_incoming_varargs_ms_64): New.
2014         (ix86_setup_incoming_varargs): Call it.
2015         (ix86_expand_prologue): Handle 64-bit stack probing.
2016         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2017         (output_pic_addr_const): Likewise.
2018         (x86_this_parameter): Likewise.
2019         (x86_output_mi_thunk): Likewise.
2020         (x86_function_profiler): Likewise.
2021         (TARGET_STRICT_ARGUMENT_NAMING): New.
2022         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2023         (TARGET_64BIT_MS_ABI): New.
2024         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2025         * config/i386/i386.md (allocate_stack_worker): Remove.
2026         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2027         describe the clobber of eax without a match_scratch.
2028         (allocate_stack_worker_postreload): Remove.
2029         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2030         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2031         (allocate_stack_worker_rex64_postreload): Remove.
2032         (allocate_stack): Handle 64-bit.
2033         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2034         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2035         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2036         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2037         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2038         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2039         * config.build (x86_64-*-mingw*): New host.
2040         * config.host (x86_64-*-mingw*): New host.
2041         * config.gcc (x86_64-*-mingw*): New target.
2042         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2043
2044 2007-03-30  Richard Henderson  <rth@redhat.com>
2045             Kai Tietz  <kai.tietz@onevision.com>
2046
2047         * c-pragma.c (struct def_pragma_macro_value): New.
2048         (struct def_pragma_macro): New.
2049         (pushed_macro_table): New.
2050         (dpm_hash, dpm_eq): New.
2051         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2052         (init_pragma): Install them.
2053         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2054
2055 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2056
2057         * config/avr/avr.c (avr_override_options): Clear
2058         'flag_delete_null_pointer_checks'.
2059
2060 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2061
2062         PR c++/26099
2063         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2064         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2065         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2066         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2067         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2068         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2069         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2070         C++ extensions.
2071         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2072
2073 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2074
2075         * regmove.c: Move all of pass_stack_adjustments from here...
2076         * combine-stack-adj.c: ...to this new file.
2077         * Makefile.in: Add rules for combine-stack-adj.o.
2078
2079 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2080
2081         PR tree-optimization/31383
2082         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2083         to have the same length.
2084
2085 2007-03-30  Jan Hubicka  <jh@suse.cz>
2086
2087         PR middle-end/30700
2088         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2089         availablility; add more sanity checking; ask varpool only about
2090         VAR_DECL.
2091
2092 2007-03-29  Richard Henderson  <rth@redhat.com>
2093
2094         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2095         to decide, but __SIZEOF_LONG_LONG__.
2096
2097 2007-03-29  Richard Henderson  <rth@redhat.com>
2098
2099         * emutls.c (struct __emutls_array): New.
2100         (emutls_destroy): Use it instead of casting element 0 from void*.
2101         (__emutls_get_address): Likewise.
2102
2103 2007-03-29  Richard Henderson  <rth@redhat.com>
2104
2105         * varasm.c (initializer_constant_valid_p): Don't deny
2106         DECL_DLLIMPORT_P on functions.
2107
2108         * config/i386/cygming.h: Remove function declarations.
2109         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2110         (ASM_OUTPUT_LABELREF): Remove.
2111         (COMMON_ASM_OP): Remove.
2112         (ASM_OUTPUT_COMMON): Remove.
2113         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2114         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2115         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2116         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2117         Rename from TARGET_ENCODE_SECTION_INFO.
2118         * config/i386/netware.h: Likewise.
2119         * config/i386/i386-protos.h: Update.
2120         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2121         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2122         (legitimate_constant_p): Reject dllimports.
2123         (dllimport_map, get_dllimport_decl): New.
2124         (legitimize_dllimport_symbol): New.
2125         (legitimize_address, ix86_expand_move): Use it.
2126         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2127         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2128         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2129         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2130         * config/i386/predicates.md (constant_call_address_operand): Only
2131         accept symbols; reject dllimport_p symbols.
2132         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2133         i386_pe_maybe_record_exported_symbol.
2134         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2135         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2136         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2137         trust the setting of DECL_DLLIMPORT_P.
2138         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2139         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2140         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2141         tidy the argument scanning loop.
2142         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2143         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2144         (i386_pe_strip_name_encoding): Remove.
2145         (i386_pe_binds_local_p): New.
2146         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2147         (i386_pe_output_labelref): Remove.
2148         (i386_pe_asm_output_aligned_decl_common): New.
2149         (i386_pe_maybe_record_exported_symbol): Rename from
2150         i386_pe_record_exported_symbol; check for dllexported symbols.
2151
2152 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2153
2154         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2155         add comment explaining why vsnprintf cannot be used.
2156
2157 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2158
2159         PR tree-optimization/30666
2160         * tree.c (build_complex_type): When creating type names for DWARF2
2161         debug info, create TYPE_DECLs for TYPE_NAME instead of
2162         IDENTIFIER_NODEs.
2163         (build_common_tree_nodes_2): Use build_complex_type when building
2164         predefined complex types, to preserve canonical types.
2165
2166 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2167
2168         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2169         (noce_get_alt_condition): Look at it to determine whether to
2170         reverse the condition or not.
2171         (noce_get_condition): Substitute the truth for lies.
2172         (noce_find_if_block): Set the then_else_reversed field.
2173
2174 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2175
2176         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2177         destination of this insn.
2178         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2179         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2180         'address + 4' rather than a stack based temporary which can be
2181         mis-optimized away.
2182
2183 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2184
2185         * config/s390/s390.c (s390_secondary_input_reload_class,
2186         s390_secondary_output_reload_class): Functions removed.
2187         (s390_secondary_reload): New function.
2188         (TARGET_SECONDARY_RELOAD): Target macro defined.
2189         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2190         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2191         * config/s390/s390.md ("reload_outti", "reload_outdi",
2192         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2193         "reload_out<mode>"): Expanders removed.
2194         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2195         "reload<mode>_nonoffmem_out"): Expanders added.
2196
2197 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2198
2199         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2200         SRC->DEST replacement failed anyway.
2201
2202 2007-03-28  Mike Stump  <mrs@apple.com>
2203
2204         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2205         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2206         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2207
2208 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2209
2210         * config.gcc: Accept barcelona as a variant of amdfam10.
2211         * config/i386/i386.c (override_options): Likewise.
2212         * doc/invoke.texi: Likewise.
2213
2214 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2215
2216         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2217         offsets for BIT_FIELD_REF and COMPONENT_REF.
2218
2219 2007-03-28  Richard Guenther  <rguenther@suse.de>
2220
2221         * tree.c (is_global_var): Move ...
2222         * tree-flow-inline.h (is_global_var): ... here.
2223         * tree.h (is_global_var): Remove declaration.
2224
2225 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2226
2227         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2228         option.
2229         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2230         * config/i386/i386.c (ix86_tune_features): Initialize new
2231         tuning option.
2232         * config/i386/predicates.md (promotable_binary_operator): Use
2233         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2234
2235 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2236
2237         PR target/31380
2238         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2239
2240 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2241
2242         * config/fr30/fr30.md (movsi_internal): Change destination
2243         constraint from m to V and add m to the end.
2244
2245 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2246
2247         * config/sh/sh.md (movsi_i): Fix type attribute.
2248
2249 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2250
2251         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2252         (movsf_ie): Likewise.
2253
2254 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2255
2256         * config.gcc: Add sh4-300 to multilib.
2257         * config/sh/t-mlib-sh4-300: New file.
2258
2259 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2260
2261         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2262         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2263         fix_trunc<mode>di2.
2264         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2265         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2266         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2267         "fixuns_trunctddi2"): Whitespace fix.
2268
2269 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2270
2271         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2272         the definition of struct sh_args.
2273         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2274         CALL_COOKIE_INT_REG_GET): Likewise.
2275
2276 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2277
2278         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2279         transformations are applied successfully.
2280
2281 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2282
2283         * tree.c (tree_contains_struct): Permit 512 tree codes.
2284         * tree.h (tree_contains_struct): Ditto.
2285         (MAX_TREE_CODES): Ditto.
2286         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2287         SPARE member to store remaining padding bits.
2288
2289 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2290
2291         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2292         architecture.
2293
2294 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2295
2296         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2297         * configure: Regenerate.
2298
2299         * configure: Regenerate using the correct version of autoconf.
2300
2301 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2302
2303         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2304         pointer regs.
2305         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2306         regs to "__SP_L__" and "__SP_H__".
2307
2308 2007-03-27  Richard Guenther  <rguenther@suse.de>
2309
2310         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2311         computations with it with a HOST_WIDE_INT variable.
2312
2313 2007-03-26  Mike Stump  <mrs@apple.com>
2314
2315         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2316         objective-c-header, objective-c++-header and objc++-cpp-output
2317         support.
2318         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2319
2320 2007-03-26  Richard Henderson  <rth@redhat.com>
2321
2322         PR target/31361
2323         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2324         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2325         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2326         IX86_BUILTIN_PSRLQ128): New.
2327         (ix86_init_mmx_sse_builtins): Add them.
2328         (ix86_expand_builtin): Expand them.
2329         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2330         operand 2 be TImode.
2331         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2332         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2333         _mm_srli_epi64): Mark __B const.
2334         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2335         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2336         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2337         new two-vector shift builtins.
2338
2339 2007-03-26  Ian Lance Taylor  <iant@google.com>
2340
2341         PR tree-optimization/31345
2342         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2343         [+INF, +INF(OVF)] into VARYING.
2344
2345 2007-03-26  Zack Weinberg  <zackw@panix.com>
2346
2347         * gengtype-parse.c: New file.
2348         * gengtype-yacc.y: Delete.
2349         * gengtype-lex.l: Don't include gengtype-yacc.h.
2350         Define YY_DECL and yyterminate appropriately for recursive
2351         descent parser.  yylval is now a string out-parameter to yylex.
2352         (HWS, EOID): New shorthand.
2353         (IWORD): Add a couple more types.
2354         (yylex): Add a setup stanza.  Remove the complex rules for
2355         detecting GTY'ed types and typedefs; replace with simple
2356         keyword detectors.  Adjust everything for the changed
2357         definition of yylval.  Ignore all pp-directives, not just #define.
2358         (yyerror): Delete.
2359         (parse_file): Rename yybegin; do not call yyparse.
2360         (yyend): New.
2361         * gengtype.c (xasprintf): Export again.
2362         (this_file): New.  Use everywhere __FILE__ was being used.
2363         (get_lang_bitmap): Special case types defined in gengtype.c.
2364         (do_typedef, new_structure): Suppress definition of certain types.
2365         (new_structure): Improve diagnostics of duplicate definitions.
2366         Make sure location_s is associated with input.h.
2367         (nreverse_pairs, define_location_structures): New functions.
2368         (main): Improve tagging of kludge types.  Remove old kludges
2369         for input.h types; use define_location_structures.
2370         * gengtype.h: Update prototypes.  Define token codes here.
2371         * Makefile.in: Remove all references to gengtype-yacc.
2372         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2373         and gengtype.
2374         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2375         add GTY((skip)) to the field that's only conditionally there.
2376         * doc/install.texi: Document that Bison is no longer required
2377         unless building treelang.
2378
2379         * gengtype.c: Don't include gtyp-gen.h.
2380         (srcdir): Declare here.
2381         (base_files, lang_dir_names): Allocate dynamically.
2382         (gt_files, num_gt_files, num_lang_dirs): New globals.
2383         (measure_input_list, read_input_line, read_input_list)
2384         (set_lang_bitmap): New functions.
2385         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2386         simplify, relying on read_input_list to set up the bitmaps.
2387         (main): Arguments are no longer unused.  Check for correct number
2388         of command line arguments, set srcdir and srcdir_len, then call
2389         read_input_list, before doing anything else.  No need to worry
2390         about duplicates in main loop.
2391         * configure.ac: Simplify the calculation of all_gtfiles.
2392         Put language tags in there.  Don't set or substitute
2393         all_gtfiles_files_langs or all_gtfiles_files_frags.
2394         * Makefile.in: Revamp the way gengtype is invoked, now that it
2395         takes a file on its command line with a much simpler format.
2396         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2397         (GTFILES): Remove duplicates and C source files.
2398         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2399         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2400         * configure: Regenerate.
2401
2402         * gengtype.h: Remove all type definitions to gengtype.c; leave
2403         only definitions of options_p, type_p, and pair_p as opaque
2404         pointers.  Update prototypes.
2405         * gengtype.c: Many type definitions moved here from gengtype.h.
2406         Consolidate type definitions at the top of the file.
2407         (xvasprintf): Delete.
2408         (xasprintf): Make static.
2409         (create_nested_pointer_option): Add 'next' parameter.
2410         (create_field_all, create_field_at): New functions.
2411         (create_field): Now a thin wrapper around create_field_all.
2412         (create_optional_field): Rename create_optional_field_ and add
2413         line argument.  Original name is now a macro which supplies
2414         __LINE__.
2415         (oprintf): Use vsnprintf directly.
2416         (close_output_files): Use fatal rather than perror/exit.
2417         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2418         (main): Set progname.  Don't use exit.
2419         * gengtype-yacc.y (struct_fields): Use create_field_at.
2420         (option, optionseqopt): Delete.
2421         (optionseq): Consolidate productions from option here so we
2422         can use the first argument to create_option.
2423
2424         * gengtype-lex.l: Distinguish unions from structures in the
2425         token type.  Don't call find_structure; return the tag as a string.
2426         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2427         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2428         Reorganize typedef_struct production accordingly.
2429         Use create_nested_ptr_option.
2430         * gengtype.c (create_nested_ptr_option): New function.
2431         * gengtype.h: Declare it.
2432
2433         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2434         (string_type): Don't declare.
2435         (do_scalar_typedef): Declare.
2436         (create_scalar_type): Update prototype.
2437         * gengtype.c (string_type): Make static.
2438         (scalar_nonchar, scalar_char): New.
2439         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2440         (resolve_typedef): Use scalar_nonchar for error recovery.
2441         (create_scalar_type): Remove name_len field.  Return scalar_char
2442         or scalar_nonchar as appropriate.
2443         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2444         to use string_type.
2445         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2446         whenever possible.
2447         (main): Initialize scalar_char and scalar_nonchar before calling
2448         gen_rtx_next.
2449         * gengtype-lex.l: Adjust for removal of second argument to
2450         create_scalar_type.  Use yylval.s instead of yylval.t when
2451         returning SCALAR.
2452         * gengtype-yacc.y: Type of SCALAR is string.  Call
2453         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2454         second argument to create_scalar_type.
2455
2456         * vec.h: Remove all #if IN_GENGTYPE blocks.
2457         Add comment saying that changes may require adjustments to gengtype.
2458         * gengtype.c: Don't include coretypes.h or tm.h.
2459         Add comment to inclusion of errors.h.
2460         (note_def_vec, note_def_vec_alloc): New functions.
2461         * gengtype.h: Declare new functions.
2462         * gengtype-lex.l: Don't include coretypes.h.
2463         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2464         Delete.
2465         (update_lineno): Remove unnecessary prototype.
2466         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2467         (VEC rule): Just return VEC_TOKEN.
2468         * gengtype-yacc.y (VEC_TOKEN): New token type.
2469         (type): Add a production for VEC(a,b).
2470         * Makefile.in: Update dependencies.
2471
2472         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2473         typedefs that use the old PARAMS macro.
2474
2475         * gengtype-lex.l: Remove all rules and states relating to yacc
2476         input files.
2477         * gengtype-yacc.y: Similarly.
2478         * gengtype.c (note_yacc_type): Delete function.
2479         * gengtype.h: Update prototypes.
2480
2481 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2482
2483         * tree-pretty-print.c (dump_generic_node): Report precision of
2484         unnamed integer types.
2485
2486 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2487
2488         * ifcvt.c (noce_try_store_flag_constants): Don't check
2489         no_new_pseudos here.
2490         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2491         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2492         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2493         noce_try_sign_mask): Likewise.
2494         (if_convert): Check no_new_pseudos here.
2495
2496         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2497         Remove prototypes.
2498         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2499         (noce_get_condition): Handle new then_else_reversed argument.
2500         (noce_init_if_info): Remove, fold into noce_find_if_block.
2501         (noce_process_if_block): Take a struct noce_if_info as the
2502         argument.  Don't set up one based on ce_if_info.  Update pointer
2503         references accordingly.
2504         (cond_move_process_if_block): Likewise.
2505         (process_if_block): Removed.
2506         (find_if_block): Removed.  Move functionality two new functions,
2507         noce_find_if_block and cond_exec_find_if_block.
2508         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2509         blocks and the symmetric IF-ELSE-JOIN case.
2510         (cond_exec_find_if_block): Also new function mostly based on old
2511         find_if_block and process_if_block.
2512         (find_if_header): Replace find_if_block call with separately
2513         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2514         (find_cond_trap): Update noce_get_condition call.
2515         (dead_or_predicable): Likewise.
2516
2517 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2518
2519         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2520         Remove.
2521         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2522         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2523         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2524         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2525         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2526         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2527         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2528         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2529         __builtin_ia32_psrad128 builtins.
2530
2531 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2532
2533         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2534         * config/i386/constraints.md
2535         (define_constraint "I"): Use IN_RANGE macro.
2536         (define_constraint "J"): Ditto.
2537         (define_constraint "K"): Ditto.
2538         (define_constraint "M"): Ditto.
2539         (define_constraint "N"): Ditto.
2540         (define_constraint "O"): Ditto.
2541         * config/i386/predicates.md
2542         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2543         (define_predicate "const_0_to_3_operand"): Ditto.
2544         (define_predicate "const_0_to_7_operand"): Ditto.
2545         (define_predicate "const_0_to_15_operand"): Ditto.
2546         (define_predicate "const_0_to_63_operand"): Ditto.
2547         (define_predicate "const_0_to_255_operand"): Ditto.
2548         (define_predicate "const_1_to_31_operand"): Ditto.
2549         (define_predicate "const_2_to_3_operand"): Ditto.
2550         (define_predicate "const_4_to_7_operand"): Ditto.
2551
2552 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2553
2554         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2555         in SImode for save_world.
2556         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2557         LR hard reg.
2558
2559 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2560
2561         PR tree-optimization/30784
2562         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2563         BIT_FIELD_REF.
2564
2565 2007-03-25  Revital Eres  <eres@il.ibm.com>
2566
2567         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2568           Fold movement_possibility function into it.
2569
2570 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2571
2572         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2573         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2574         (call_indirect_nonlocal_darwin64): Same.
2575         (call_nonlocal_darwin64): Same.
2576         (call_value_indirect_nonlocal_darwin64): Same.
2577         (call_value_nonlocal_darwin64): Same.
2578         (sibcall_nonlocal_darwin64): Same.
2579         (sibcall_value_nonlocal_darwin64): Same.
2580         (sibcall_symbolic_64): Same.
2581         (sibcall_value_symbolic_64): Same.
2582         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2583         LR pseudo.
2584         (rs6000_emit_load_toc_table): Same.
2585         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2586         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2587         (mull_call): Same.
2588         (divss_call): Same.
2589         (divus_call): Same.
2590         (quoss_call): Same.
2591         (quous_call): Same.
2592         (load_toc_v4_pic_si): Same
2593         (load_toc_v4_PIC_1): Same.
2594         (load_toc_v4_PIC_1b): Same.
2595         (call_indirect_aix{32,64}): Same.
2596         (call_value_indirect_aix{32,64}): Same.
2597         (call): Same.
2598         (call_value): Same.
2599         (call_local{32,64}): Same.
2600         (call_value_local{32,64}): Same.
2601         (call_indirect_nonlocal_aix{32,64}): Same.
2602         (call_nonlocal_aix{32,64}): Same.
2603         (call_value_indirect_nonlocal_aix{32,64}): Same.
2604         (call_value_nonlocal_aix{32,64}): Same.
2605         (call_indirect_nonlocal_sysv<mode>): Same.
2606         (call_nonlocal_sysv<mode>): Same.
2607         (call_value_indirect_nonlocal_sysv<mode>): Same.
2608         (call_value_nonlocal_sysv<mode>): Same.
2609         (sibcall): Same.
2610         (sibcall_local{32,64}): Same.
2611         (sibcall_value_local{32,64}): Same.
2612         (sibcall_nonlocal_aix{32,64}): Same.
2613         (sibcall_value_nonlocal_aix{32,64}): Same.
2614         (sibcall_nonlocal_sysv<mode>): Same.
2615         (sibcall_value): Same.
2616         (sibcall_value_nonlocal_sysv<mode>): Same.
2617
2618 2007-03-24  Paul Brook  <paul@codesourcery.com>
2619
2620         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2621         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2622
2623 2007-03-24  Richard Henderson  <rth@redhat.com>
2624
2625         * config/ia64/constraints.md: New file.
2626         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2627         satisfies_constraint_?.
2628         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2629         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2630         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2631         ia64_output_mi_thunk): Likewise.
2632         (ia64_const_ok_for_letter_p): Remove.
2633         (ia64_const_double_ok_for_letter_p): Remove.
2634         (ia64_extra_constraint): Remove.
2635         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2636         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2637         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2638         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2639         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2640         EXTRA_MEMORY_CONSTRAINT): Remove.
2641         * config/ia64/ia64.md: Include constriants.md.  Replace
2642         CONST_OK_FOR_? with satisfies_constraint_?.
2643
2644 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
2645             H.J. Lu  <hongjiu.lu@intel.com>
2646
2647         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2648         DPD or BID name.
2649         (name macros): Use DPD_BID_NAME to convert names properly.
2650
2651         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2652         decimal floating point format.
2653         (init_floating_libfuncs): Change decimal functions so that they
2654         have a "bid_" prefix if the decimal system uses the BID format,
2655         and "dpd_" prefix if the decimal system uses the DPD format.
2656         (init_interclass_conv_libfuncs): Ditto.
2657         (init_intraclass_conv_libfuncs): Ditto.
2658
2659         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2660         using the BID format.
2661
2662         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2663         whether we are using the BID decimal format.
2664         * configure: Regenerate.
2665
2666         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2667         the compiler has decimal floating point enabled.  Define
2668         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2669         instead of DPD.
2670
2671         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2672         using the BID format.
2673
2674         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2675         whether we are using the BID decimal format.
2676         * configure: Regenerate.
2677
2678         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2679         the compiler has decimal floating point enabled.  Define
2680         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2681         instead of DPD.
2682
2683         * doc/install.texi (--enable-decimal-float): Document BID and DPD
2684         options, and that it is enabled for i386/x86_64 systems.
2685
2686         * Makefile.in (enable_decimal_float): New.
2687         (DECNUMFMT): New.
2688         (DECNUMINC): Add  -I$(DECNUMFMT).
2689         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2690         to $(DECNUMFMT) from $(DECNUM).
2691
2692         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2693         Substitute enable_decimal_float.
2694         * configure: Regenerated.
2695
2696         PR other/30529
2697         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2698         unsigned long.
2699
2700         * configure.ac: Enable decimal float for x86_64-*-linux*.
2701         * configure: Regenerated.
2702
2703         PR other/30530
2704         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2705         decimal128ClearSign to flip and clear the sign bit in decimal128.
2706         (decimal_real_maxval): Set decimal128SetSign to set the sign
2707         bit in decimal128.
2708
2709 2007-03-23  Ian Lance Taylor  <iant@google.com>
2710
2711         * fold-const.c (fold_binary): Correct warning for X - c >= X.
2712
2713 2007-03-23  Ian Lance Taylor  <iant@google.com>
2714
2715         * tree-dump.c (dump_files): Correct comment.
2716
2717 2007-03-23  Ian Lance Taylor  <iant@google.com>
2718
2719         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2720
2721 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
2722
2723         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
2724         in cfglayout mode.  Don't go into and out of cfglayout mode.
2725         Link the blocks in the order of the constructed traces.
2726         (rest_of_handle_tracer): Adjust call to tracer.
2727         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2728         Don't go into cfglayout mode.
2729         (rtl_loop_done): Don't go out of cfglayout mode.
2730         * cfglayout.c (relink_block_chain): New function, split out from...
2731         (fixup_reorder_chain): ...here.  Remove redundant checking.
2732         (cfg_layout_finalize): Don't clear the header, footer, and aux
2733         fields here, move the code to do so to relink_block_chain.  Likewise
2734         for free_original_copy_tables.
2735         * rtl.h (tracer): Update prototype.
2736         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2737         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
2738         mode.  Use relink_block_chain to serialize the CFG according to the
2739         new basic block order.  Move targetm.cannot_modify_jumps_p check from
2740         here...
2741         (gate_handle_reorder_blocks): ...to here.
2742         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2743         from here...
2744         (gate_duplicate_computed_gotos): ...to here.
2745         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2746         something always changes when going into and out of cfglayout mode.
2747         Perform an expensive cfg cleanup while going into cfglayout mode.
2748         Always update liveness information on HAVE_conditional_execution
2749         targets.  Reserialize the basic blocks and go out of cfglayout mode.
2750         * reg-stack.c: Include cfglayout.h.
2751         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2752         the call to reorder_basic_blocks.
2753         * basic-block.h (reorder_basic_blocks): Update prototype.
2754         (relink_block_chain): New prototype.
2755         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2756
2757 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
2758
2759         * config/mips/mips.md (type, hazard, *movdi_32bit,
2760         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2761         *movhi_internal, *movqi_internal, *movsf_hardfloat,
2762         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2763         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2764         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2765         applicable.
2766         (movcc): Change first xfer to multi.
2767         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2768         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2769         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2770         config/mips/generic.md: Change reservations using "xfer" to use
2771         "mfc,mtc".
2772         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2773         using match_operand.
2774         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2775         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2776         examining mode.
2777         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2778
2779 2007-03-22  Richard Henderson  <rth@redhat.com>
2780
2781         * config/i386/i386.c: Remove unnecessary function declarations.
2782         Move targetm definition, and all related macros, to the end of
2783         the file.  Resort some functions to put definitions before uses.
2784         (ix86_attribute_table): Make static.  Move to end of file.
2785         (ix86_gimplify_va_arg): Make static.
2786
2787 2007-03-22  Richard Henderson  <rth@redhat.com>
2788
2789         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2790         don't increase local_regparm with force_align_arg_pointer check.
2791         (ix86_function_sseregparm): Assert 32-bit.
2792         (type_has_variadic_args_p): New.
2793         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
2794         type_has_variadic_args_p.
2795         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2796         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
2797         use memset instead.  Do maybe_vaarg check first; skip attribute
2798         tests if true; skip attribute tests for 64-bit.
2799         (construct_container): Remove TARGET_DEBUG_ARG.
2800         (function_arg_advance_32, function_arg_advance_64): Split out ...
2801         (function_arg_advance): ... from here.
2802         (function_arg_32, function_arg_64): Split out ...
2803         (function_arg): ... from here.
2804         (ix86_pass_by_reference): Tidy.
2805         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2806         (function_value_32): New, from parts of ix86_function_value
2807         and ix86_value_regno.
2808         (function_value_64): New, from parts of ix86_function_value
2809         and ix86_libcall_value.
2810         (ix86_function_value_1): New.
2811         (ix86_function_value, ix86_libcall_value): Use it.
2812         (return_in_memory_32, return_in_memory_64): Split out ...
2813         (ix86_return_in_memory): ... from here.
2814         (ix86_struct_value_rtx): Skip for 64-bit.
2815         (ix86_libcall_value, ix86_value_regno): Remove.
2816         (setup_incoming_varargs_64): Split out ...
2817         (ix86_setup_incoming_varargs): ... from here.
2818         (ix86_va_start): Remove TARGET_DEBUG_ARG.
2819         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2820         * config/i386/i386-protos.h (ix86_function_value): Remove.
2821         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2822
2823 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2824
2825         PR other/23572
2826         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2827         infinities not supported, otherwise emit warning if -Woverflow. On
2828         underflow, emit warning if -Woverflow.
2829         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2830         and 0 otherwise.
2831         * real.h (real_from_string): Update declaration
2832
2833 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
2834             Richard Henderson  <rth@redhat.com>
2835
2836         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2837         * calls.c (compute_argument_block_size, expand_call,
2838         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2839         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2840         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2841         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2842         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2843         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2844         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2845         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2846         Set to 1.
2847
2848 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2849
2850         * c-incpath.c (add_sysroot_to_chain): New.
2851         (merge_include_chains): Add sysroot argument.  Call
2852         add_sysroot_to_chain if sysrooted.
2853         (register_include_chains): Update call to merge_include_chains.
2854         * doc/cppopts.texi: Document use of '=' in include directory
2855         arguments.
2856
2857 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2858
2859         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2860         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2861         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2862         insn pattern using X87MODEF12 mode macro.
2863
2864 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2865
2866         * regmove.c (regmove_optimize): Use reg_mentioned_p
2867         instead of reg_overlap_mentioned_p for DST.
2868
2869 2007-03-21  Mike Stump  <mrs@apple.com>
2870
2871         * c.opt: Fixup for Objective-C/C++.
2872
2873 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2874
2875         * explow.c (convert_memory_address): Fold memory reference when
2876         POINTERS_EXTEND_UNSIGNED < 0
2877
2878 2007-03-21  Richard Henderson  <rth@redhat.com>
2879
2880         PR target/31245
2881         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2882         * config/i386/mmintrin.h (__m64): Likewise.
2883         * config/i386/xmmintrin.h (__m128): Likewise.
2884
2885 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2886
2887         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2888         (VXWORKS_OS_CPP_BUILTINS): Define.
2889         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2890         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2891
2892 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2893
2894         * rtl.h (constant_pool_reference_p): Delete.
2895         (find_constant_src): Declare.
2896         * rtlanal.c (find_constant_src): New function.
2897         * simplify-rtx.c (constant_pool_reference_p): Delete.
2898         * config/i386/i386.md: Use find_constant_src instead of
2899         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2900
2901 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2902
2903         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
2904         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2905
2906 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2907
2908         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2909         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2910         (arm_elf_asm_constructor): Use it.
2911         (arm_elf_asm_destructor): New function.
2912
2913 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2914
2915         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2916
2917 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2918
2919         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2920
2921 2007-03-19  Andrew Haley  <aph@redhat.com>
2922
2923         PR tree-optimization/31264
2924         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2925         VIEW_CONVERT_EXPRs.
2926
2927 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2928
2929         PR rtl-optimization/30907
2930         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2931         (fwprop_init): Always call loop_optimizer_initialize.
2932         (fwprop_done): Always call loop_optimizer_finalize.
2933         (fwprop): We always have loop info now.
2934         (gate_fwprop_addr): Remove.
2935         (pass_fwprop_addr): Use gate_fwprop as gate.
2936
2937         PR rtl-optimization/30841
2938         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2939         df_chain_alloc): Call df_reorganize_refs unconditionally.
2940         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2941         refs_organized to refs_organized_size.
2942         (df_ref_create_structure): Use refs_organized_size instead of
2943         bitmap_size if refs had been organized, and keep refs_organized_size
2944         up-to-date.
2945         * df.h (struct df_ref_info): Change refs_organized to
2946         refs_organized_size.
2947         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2948         bitmap_size.
2949
2950 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2951
2952         * except.c (output_function_exception_table): Do not reference the
2953         EH personality routine for functions that do not require an
2954         exception table.
2955
2956 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2957
2958         PR c/30762
2959         * c-typeck.c (convert_for_assignment): Call comptypes for
2960         RECORD_TYPE or UNION_TYPE.
2961
2962         PR inline-asm/30505
2963         * reload1.c (reload): Do invalid ASM checking after
2964         cleanup_subreg_operands.
2965
2966 2007-03-19  Jeff Law  <law@redhat.com>
2967
2968         * tree-cfg.c (find_taken_edge): Tighten conditions for
2969         optimizing computed gotos.
2970
2971 2007-03-19  Michael Matz  <matz@suse.de>
2972
2973         * builtins.c (expand_builtin_sync_operation,
2974         expand_builtin_compare_and_swap,
2975         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2976         correctly.
2977
2978         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2979         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2980         for operand 3.
2981
2982 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2983
2984         * doc/tm.texi: Add brackets around the return type of
2985         TARGET_SECONDARY_RELOAD.
2986
2987 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2988         Richard Guenther  <rguenther@suse.de>
2989
2990         PR tree-optimization/31254
2991         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2992         Use handled_component_p () where appropriate.  Continue
2993         propagating into the rhs if we propagated into an INDIRECT_REF
2994         on the lhs.
2995
2996 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2997
2998         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2999         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3000         (xde, xdee): Mode attributes adjusted to support DFP modes.
3001         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3002         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3003         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3004         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3005         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3006         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3007         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3008         numbers.
3009         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3010         "movsf"): Insn definitions removed.
3011         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3012         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3013         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3014         definitions added.
3015         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3016         "reload_in<mode>", "reload_out<mode>"): Expander added.
3017         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3018         Expander removed.
3019
3020 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3021
3022         * config/s390/s390.md: Only non-functional changes.  Renamed
3023         FPR mode macro to BFP all over the file.
3024
3025 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3026
3027         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3028         (op_type attribute): RRF instruction type added.
3029         (fT0): New mode attribute.
3030         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3031         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3032         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3033         no secondary memory is needed when moving DFmode values between GPRs
3034         and FPRs.
3035
3036 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3037
3038         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3039         inverted and documentation adjusted.
3040         ("mhard-dfp", "msoft-dfp"): New options.
3041         * config/s390/s390.c (s390_handle_arch_option): New architecture
3042         switch: z9-ec.
3043         (override_options): Sanity checks for the new options added.
3044         * config.gcc: New architecture switch: z9-ec.
3045         * config/s390/s390.h (processor_flags): PF_DFP added.
3046         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3047         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3048         when the bit is NOT set so remove it from the defaults.
3049
3050 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3051
3052         * genemit.c (main): Print include statement for dfp.h.
3053         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3054         is not available.
3055
3056 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3057
3058         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3059
3060 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3061
3062         PR target/31022
3063         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3064         instead of PATTERN.
3065
3066 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3067
3068         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3069         attr_length_call, output_call, output_indirect_call): Cleanup
3070         formatting of targetm calls.
3071
3072 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3073
3074         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3075
3076 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3077
3078         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3079         reservation, bypass and anti-bypass descriptions for these instructions.
3080         Update move patterns.
3081         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3082         TYPE_FPSTORE.
3083
3084 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3085
3086         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3087         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3088         (get_initial_def_for_reduction): Likewise.
3089
3090 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3091
3092         Fix PR tree-optimization/29922
3093         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3094         (get_representative): Removed.
3095         (value_dies_in_block_x): Update for rvuse removal.
3096         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3097         (compute_antic_aux): Handle when PHI nodes appear in
3098         non-single-successors.
3099         (dump_bitmap_of_names): Removed.
3100         (compute_antic_safe): Renamed and removed rvuse calculation.
3101         Calculate only antic safe.
3102         (insert_into_preds_of_block): Remove assert.
3103         (execute_pre): Update for renamed functions.
3104         (defer_or_phi_translate_block): New function.
3105
3106 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3107
3108         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3109         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3110         typos.
3111         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3112         Follow spelling conventions.
3113
3114         * tree-data-ref.h: Remove the prototype for analyze_array.
3115
3116 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3117
3118         PR tree-optimization/31041
3119         * tree-vect-transform.c (get_initial_def_for_induction): Call
3120         force_gimple_operand.
3121
3122 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3123
3124         * ipa-type-escape.c (look_for_casts) : Revert code to use
3125         handled_component_p due to ada test a-numaux.adb.
3126
3127 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3128
3129         * final.c (final_scan_insn): Alter the condition of a
3130         conditional trap if we have nonstandard CC.
3131
3132 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3133
3134         * configure.ac: Remove excess quoting from asm line 0 test.
3135         * configure: Rebuilt.
3136
3137 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3138
3139         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3140         * c-common.c (convert_and_check): Move warning logic to...
3141         (warnings_for_convert_and_check): ...here. Define.
3142         * c-common.h (warnings_for_convert_and_check): Declare.
3143
3144 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3145
3146         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3147         (output_call): Likewise.
3148
3149 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3150
3151         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3152
3153 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3154
3155         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3156
3157 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3158
3159         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3160         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3161
3162 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3163
3164         PR tree-optimization/31183
3165         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3166         Use double_int instead of unsigned int for representing access_strides.
3167         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3168
3169 2007-03-16  Richard Guenther  <rguenther@suse.de>
3170
3171         PR tree-optimization/31146
3172         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3173         to allow recursion of forward_propagate_addr_expr.
3174         (forward_propagate_addr_into_variable_array_index): Likewise.
3175         (forward_propagate_addr_expr): Likewise.
3176         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3177         (forward_propagate_addr_expr_1): Recurse on simple copies
3178         instead of propagating into them.  Do so for useless conversions
3179         as well.
3180         (forward_propagate_addr_expr): Clean up unused statements after
3181         recursion.
3182
3183 2007-03-16  Richard Guenther  <rguenther@suse.de>
3184
3185         * builtins.c (expand_builtin_cexpi): Use the right argument
3186         for the expansion via cexp.
3187
3188 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3189
3190         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3191         * configure: Rebuilt.
3192
3193 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3194
3195         PR debug/29906
3196         * dwarf2out.c (force_type_die): Adjust comment.
3197         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3198
3199 2007-03-15  DJ Delorie  <dj@redhat.com>
3200
3201         * config/frv/predicates.md (minmax_operator): Don't check operands
3202         here.
3203
3204 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3205
3206         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3207         Update constant estimates of number of iterations.
3208         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3209         argument renamed to "realistic".
3210         (compute_estimated_nb_iterations): Removed.
3211         (record_niter_bound): New function.
3212         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3213         call record_nonwrapping_iv with upper = false.
3214         (infer_loop_bounds_from_signedness): Pass upper argument to
3215         record_nonwrapping_iv.
3216         (estimate_numbers_of_iterations_loop): Do not call
3217         compute_estimated_nb_iterations.  Record estimate based on profile
3218         information.  Initialize the constant estimates of number of
3219         iterations.
3220         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3221         estimates.
3222         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3223         number of iterations is too small.
3224         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3225         (EST_NOT_AVAILABLE): Removed.
3226         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3227         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3228         fields.
3229
3230 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3231
3232         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3233         Handle NE_EXPR guards.
3234
3235 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3236
3237         PR c++/24924
3238         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3239         Set also -pedantic-errors by default for the  preprocessor unless
3240         -fpermissive is given.
3241
3242 2007-03-15  Richard Guenther  <rguenther@suse.de>
3243
3244         PR middle-end/29719
3245         PR middle-end/31161
3246         * builtins.c (expand_builtin_cexpi): As a fallback if we
3247         don't have builtins for sincos or cexp create a function
3248         declaration for cexp and expand to a call to that.
3249         (expand_builtin_int_roundingfn): Always fall
3250         back to floor/ceil and its variants even if they may be
3251         not available.
3252
3253 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3254
3255         PR middle-end/31159
3256         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3257         jump tables, move the call to delete_dead_jumptables from here...
3258         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3259         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3260         don't allow merging of blocks that try_redirect_by_replacing_jump
3261         also does not handle when not optimizing.
3262
3263 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3264             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3265
3266         * config/i386/i386.md (x86_sahf_1): Correctly handle
3267         HAVE_AS_IX86_SAHF.
3268
3269 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3270
3271         PR target/31167
3272         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3273         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3274         from operand constraints and use "e" constraint instead.
3275         (*subti3_1, *subti3_1 splitter): Ditto.
3276         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3277         operand[1] predicate.
3278
3279 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3280
3281         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3282         arrays, multiply the access strides by the size of the sub-array.
3283         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3284
3285 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3286
3287         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3288         the configured assembler supports the sahf mnemonic.
3289         * configure: Regenerate.
3290         * config.in: Regenerate.
3291
3292         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3293         emit "sahf" or ".byte\t0x9e" as asm template.
3294
3295 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3296
3297         PR 31018
3298         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3299         option to replace hard coded TARGET_xxx in md file.
3300         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3301         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3302         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3303         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3304         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3305         (X86_TUNE_NOT_VECTORMODE): Ditto.
3306         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3307         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3308         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3309         (TUNE_SLOW_IMUL_IMM8): Ditto.
3310         (TUNE_MOVE_M1_VIA_OR): Ditto.
3311         (TUNE_NOT_UNPAIRABLE): Ditto.
3312         (TUNE_NOT_VECTORMODE): Ditto.
3313
3314         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3315         options.
3316
3317         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3318         tuning options instead of hard coded TARGET_xxx.
3319         (fix ssemode peephole2's): Ditto.
3320         (imul peephole2's): Ditto.
3321         (movsi_or): Ditto.
3322         (movdi_or_rex64): Ditto.
3323         (move peephole2): Ditto.
3324         (not peephole2's): Ditto.
3325
3326 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3327
3328         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3329         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3330         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3331         of empty body.
3332         * c-parser.c (c_parser_do_statement): Warn about empty body in
3333         do/while statement.
3334         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3335         * doc/invoke.texi (-Wempty-body): Update documentation.
3336
3337 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3338
3339         PR c/21438
3340         * c-common.h (warn_for_div_by_zero): Declare.
3341         * c-common.c (warn_for_div_by_zero): Define.
3342         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3343         warning.
3344
3345 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3346
3347         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3348         to PREFIX and STANDARD_PREFIX.
3349
3350 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3351             Phil Edwards  <phil@codesourcery.com>
3352
3353         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3354         (__gthread_once_t): Remove busy field for RTPs.
3355         (__GTHREAD_ONCE_INIT): Update accordingly.
3356
3357 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3358
3359         * doc/invoke.texi: Document VxWorks options.
3360
3361 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3362
3363         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3364
3365 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3366
3367         PR tree-optimization/30590
3368         * tree-nrv.c (tree_nrv): Check for the partial update of the
3369         return value.
3370
3371 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3372
3373         * flags.h (flag_random_seed): Remove declaration, in favor of...
3374         * toplev.h (get_random_seed, set_random_seed): ... these.
3375         * tree.c (get_file_function_name): Use the former.
3376         * opts.c (common_handle_option): Use the latter.
3377         * toplev.c
3378
3379 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3380
3381         PR middle-end/31127
3382         * cse.c (cse_find_path): Do not bail out if a basic block that
3383         we already visited now becomes part of a path that starts at a
3384         different basic block.  Just disallow this, to make sure we
3385         visit each basic block at most once.
3386
3387 2007-03-13  Jan Hubicka  <jh@suse.cz>
3388
3389         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3390         when profile esitmate is present, calls with very low frequency are
3391         cold.
3392
3393 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3394
3395         PR tree-optimization/30730
3396         PR tree-optimization/26900
3397         * tree-ssa-loop-niter.c: Include gmp.h.
3398         (bounds): New type.
3399         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3400         split_to_var_and_offset, determine_value_range,
3401         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3402         bound_difference, bounds_add, bounds_negate,
3403         number_of_iterations_ne_max, dump_affine_iv): New functions.
3404         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3405         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3406         difference of initial and final value of control iv to validate
3407         results.
3408         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3409         on the difference of the extremes of the control iv.  Add dumps.
3410         (expand_simple_operations): Handle phi nodes.
3411         (simplify_using_initial_conditions): Do not record used conditions.
3412         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3413         Do not set additional_info.
3414         (implies_nonnegative_p, implies_ge_p): Removed.
3415         (derive_constant_upper_bound): Do not use parameter `additional'.
3416         (record_estimate): Parameter `additional' removed.  Parameter
3417         `i_bound' added.  Do not call derive_constant_upper_bound.
3418         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3419         bound the number of iterations estimate.
3420         (estimate_numbers_of_iterations_loop): Pass the estimate from
3421         the number of iterations analysis to record_estimate.
3422         * tree.h (multiple_of_p): Declare.
3423         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3424         (scev_const_prop): Do not check expression_expensive_p.
3425         * fold-const.c (multiple_of_p): Exported.
3426         * double-int.c (double_int_mask): Exported.
3427         * double-int.h (double_int_mask): Declare.
3428         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3429         field.  Added max field.
3430
3431 2007-03-13  David Taylor  <taylor@candd.org>
3432
3433         PR driver/12448:
3434         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3435         default -MQ.
3436
3437 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3438
3439         PR target/31123
3440         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3441         two unamed patterns.
3442
3443 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3444
3445         * config/i386/i386.opt (mcx16, msahf): New options.
3446         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3447         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3448
3449         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3450         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3451         Output -mcx16 and -msahf options when corresponding bit is set.
3452
3453         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3454         and -msahf options.
3455
3456 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3457
3458         * configure.ac: Test for assembler tolerance to # 0 "".
3459         * configure, config.in: Rebuilt.
3460         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3461
3462 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3463
3464         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3465
3466         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3467         (handle_syscall): Handle direct system calls.
3468         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3469
3470 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3471
3472         * doc/invoke.texi: Fix cpp.info cross-reference.
3473         * doc/passes.texi: Fix gcc.info cross-reference.
3474
3475 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3476
3477         PR tree-optimization/30835
3478         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3479         bb_for_stmt is not NULL before accessing it.
3480
3481 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3482
3483         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3484         some multilibs.
3485
3486 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3487
3488         PR 30635
3489         * doc/install.texi: Document --enable-stage1-languages
3490
3491 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3492
3493         * tree-pass.h (pass_into_cfg_layout_mode,
3494         pass_outof_cfg_layout_mode): Declare.
3495         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3496         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3497         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3498         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3499
3500 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3501
3502         * c-decl.c (warn_variable_length_array): New function.
3503         Refactored from grokdeclarator to handle warn_vla
3504         and handle unnamed array case.
3505         (grokdeclarator): Refactored VLA warning case.
3506         * c.opt (Wvla): New flag.
3507         * doc/invoke.texi (Wvla): New warning.
3508
3509 2007-03-12  Richard Henderson  <rth@redhat.com>
3510
3511         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3512         (TARGET_SECTION_TYPE_FLAGS): New.
3513
3514 2007-03-12  Richard Henderson  <rth@redhat.com>
3515
3516         * config/darwin.c (machopic_reloc_rw_mask): New.
3517         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3518         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3519
3520 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3521
3522         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3523         * cppdefault.h (cpp_PREFIX): Document.
3524         (cpp_PREFIX_len): Likewise.
3525         (cpp_EXEC_PREFIX): New variable.
3526         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3527         * c-incpath.c (add_standard_paths): Correct logic for relocating
3528         paths within prefix.
3529
3530 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3531
3532         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3533         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3534         mode macro.
3535         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3536         fix_truncdfdi_sse using SSEMODEF mode macro.
3537         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3538         fix_truncdfsi_sse using SSEMODEF mode macro.
3539         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3540         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3541
3542 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3543
3544         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3545         elfos.h to tm_file.
3546
3547 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3548
3549         * tree.h : Add multiple_of_p declaration.
3550         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3551         * ipa-type-escape.c (results_of_malloc): Redundant.
3552         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3553         (cast_type): Extended with new members.
3554         (check_cast): Returns cast_type.
3555         (cast): New structure for data of walk_use_def_chains.
3556         (is_malloc_result, is_cast_from_non_pointer_1,
3557         is_cast_from_non_pointer,
3558         is_array_access_through_pointer_and_index): New functions.
3559         (look_for_casts): Returns cast types.
3560         (check_call): Returns void.
3561         (okay_pointer_operation): Use support of pointer plus index,
3562         pointer plus constant and allow all multiplications.
3563
3564 2007-03-11  Richard Guenther  <rguenther@suse.de>
3565
3566         PR tree-optimization/31115
3567         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3568         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3569         A shift count of zero is not special as with *_DIV_EXPR.
3570         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3571         direction.
3572
3573 2007-03-11  Ian Lance Taylor  <iant@google.com>
3574
3575         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3576         the *_DIV_EXPR codes correctly with overflow infinities.
3577
3578 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3579
3580         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3581         indicate success/failure of the analysis. Add negation to subtrahend
3582         in case of subtraction. Fail if both operands contain constants.
3583         (create_data_ref): Fail if analyze_offset fails.
3584
3585 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3586
3587         * config/i386/i386.md (frndintxf2): Rename to ...
3588         (rintxf2): ... this. Remove expander having same name.
3589         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3590         (roundsf2, rounddf2): Ditto.
3591         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3592         (lround<mode>di2, lround<mode>si2): Ditto.
3593
3594 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3595
3596         * lower-subreg.c: Include except.h.
3597         (decompose_multiword_subregs): Verify that the only control flow
3598         insns we can split are loads to multi-words pseudos.
3599         Handle breaking such blocks after splitting, instead of calling
3600         find_many_sub_basic_blocks.
3601
3602         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3603         on the new basic block.  Add a lengthy comment explaining why we
3604         thought this was necessary.
3605         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3606
3607 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3608
3609         PR c++/30924
3610         * tree.c (walk_type_fields): Recurse into the element type of
3611         ARRAY_TYPEs if there is a pointer set.
3612
3613 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3614
3615         * c-common.c (warn_logical_operator): Fix condition.
3616
3617 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3618
3619         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3620         quotation mark.
3621         * config/darwin.c (machopic_select_section): Remove superfluous
3622         argument in call to categorize_decl_for_section.  Remove unused
3623         variable shlib.
3624
3625 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3626
3627         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3628         defined.
3629         * configure: Regenerate.
3630
3631 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
3632
3633         PR target/31101
3634         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3635         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3636         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3637         Add LABEL_NUSES to emitted label.
3638         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3639         branch probability value to emitted jump insn.
3640         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3641         Do not check life information and do not re-arrange input operands
3642         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3643
3644 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3645
3646         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3647         the change of decode_asm_operands.
3648
3649 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3650
3651         * mode-switching.c (create_pre_exit): Skip blockage insn.
3652
3653 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
3654
3655         * tree-pass.h (TODO_update_smt_usage): Remove.
3656         Update all users.
3657         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3658         argument SOME.
3659         Update all users.
3660
3661 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3662
3663         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3664         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3665         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
3666         SOM target.
3667
3668 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
3669
3670         * gcc.c: Document %{, in big comment at top.
3671         (input_suffix_matches): Remove special handling for .s and
3672         .S.
3673         (input_spec_matches): New.
3674         (handle_braces): Handle %{,.
3675         (validate_switches): ',' indicates a value which is not a switch.
3676         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3677         to detect assembler input.
3678         * config/i386/sol2.h (CPP_SPEC): Likewise.
3679         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3680         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3681         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3682         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3683         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3684         -m64 causes deployment target to default to 10.5.
3685         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3686
3687 2007-03-09  Richard Henderson  <rth@redhat.com>
3688
3689         PR target/26090
3690         * target.h (targetm.asm.out.reloc_rw_mask): New.
3691         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3692         (TARGET_ASM_OUT): Use it.
3693         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3694         * varasm.c (categorize_decl_for_section): Remove shlib argument;
3695         use the new reloc_rw_mask target hook instead.
3696         (default_section_type_flags_1): Merge into...
3697         (default_section_type_flags): ... here.
3698         (decl_readonly_section_1): Merge into...
3699         (decl_readonly_section): ... here.
3700         (default_elf_select_section_1): Merge into...
3701         (default_elf_select_section): ... here.
3702         (default_unique_section_1): Merge into...
3703         (default_unique_section): ... here.
3704         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3705         (default_select_rtx_section): Use it.
3706         (default_elf_select_rtx_section): Likewise.
3707         * output.h: Update to match.
3708         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3709         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3710         (TARGET_ASM_RELOC_RW_MASK): New.
3711         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3712         to categorize_decl_for_section.
3713         (x86_64_elf_unique_section): Likewise.
3714         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3715         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3716         (TARGET_ASM_RELOC_RW_MASK): New.
3717         * config/ia64/ia64.c (ia64_rwreloc_select_section,
3718         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3719         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3720         (TARGET_RWRELOC): Remove.
3721         (ia64_section_type_flags): Adjust call to default_section_type_flags.
3722         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3723         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3724         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3725         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3726         (rs6000_xcoff_select_section): Use decl_readonly_section.
3727         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3728         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3729         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3730         (TARGET_SECTION_TYPE_FLAGS): Remove.
3731         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3732
3733 2007-03-09  Roger Sayle  <roger@eyesopen.com>
3734
3735         * fold-const.c (fold_comparison): Remove compile-time evaluation of
3736         complex constant equality/inequality comparisons for here.
3737         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3738         known at compile-time or can be simplified to a scalar comparison.
3739         (fold_relational_const): Move compile-time evaluation of complex
3740         constant equality/inequality comparisons to here.
3741
3742 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3743
3744         PR rtl-optimization/30643
3745         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3746         dest_addr_elt.
3747         (fold_rtx): Recurse, like before 2006-11-03.
3748
3749 2007-03-09  DJ Delorie  <dj@redhat.com>
3750
3751         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3752         m32c-pragma.o.
3753
3754 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
3755
3756         PR tree-optimization/30375
3757         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3758         LHS of statements is not the same.
3759         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3760
3761 2007-03-09  Chao-ying Fu  <fu@mips.com>
3762
3763         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3764         REV 2.
3765         * doc/invoke.texi (-mdspr2): Document new option.
3766         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3767         New unspec for DSP REV 2.
3768         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3769         these instructions are extended in DSP REV 2.
3770         (mips-dspr2.md): Include.
3771         * config/mips/mips.opt (mdspr2): New option.
3772         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3773         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3774         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3775         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3776         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3777         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
3778         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3779         and 2 builtins.
3780         (bdesc_map): Add one field of unsupported_target_flags.
3781         (bdesc_arrays):  Update entries to have extra fields.  Add
3782         dsp_32only_bdesc.
3783         (mips_init_builtins): Initialize new function types.
3784         Check unsupported_target_fileds to filter out builtins.
3785         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3786         TARGET_DSPR2.
3787         (ASM_SPEC): Pass mdspr2 to the assembler.
3788         * config/mips/mips-dspr2.md: New file.
3789
3790 2007-03-09  Sa Liu  <saliu@de.ibm.com>
3791
3792         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3793
3794 2007-03-09  Ian Lance Taylor  <iant@google.com>
3795
3796         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3797         argument) like -Wstrict-overflow=2.
3798         * doc/invoke.texi (Warning Options): Update documentation.
3799
3800 2007-03-09  Dirk Mueller  <dmueller@suse.de>
3801
3802         PR c++/17946
3803         * doc/invoke.texi (-Wlogical-op): Document.
3804         * common.opt (-Wlogical-op): New.
3805         * c-common.h (warn_logical_operator): Declare.
3806         * c-common.c (warn_logical_operator): Define.
3807         * c-typeck.c (parser_build_binary_op): Call
3808         warn_logical_operator.
3809
3810 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3811
3812         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3813         * final.c (final_scan_insn): Test for non-"" file name.
3814
3815 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
3816
3817         * doc/loop.texi: Document the Omega linear constraints solver.
3818         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3819         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3820         omega-hash-table-size, omega-max-keys, and
3821         omega-eliminate-redundant-constraints.
3822         * tree-pass.h (pass_check_data_deps): Declared.
3823         * omega.c: New.
3824         * omega.h: New.
3825         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3826         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3827         pass_check_data_deps): New.
3828         * tree-data-ref.c (init_data_ref): Remove declaration.
3829         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3830         (analyze_array): Renamed init_array_ref, move up initializations.
3831         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
3832         Removed arguments that are set to NULL.
3833         (analyze_indirect_ref): Correct indentation, correct call to
3834         init_pointer_ref.
3835         (object_analysis): Call init_array_ref instead of analyze_array.
3836         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3837         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3838         of DR_ACCESS_FNS_ADDR.
3839         (init_omega_eq_with_af, omega_extract_distance_vectors,
3840         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3841         ddr_consistent_p): New.
3842         (compute_affine_dependence): Check consistency of ddrs when
3843         flag_check_data_deps is passed.
3844         (analyze_all_data_dependences): Uncomment.
3845         (tree_check_data_deps): New.
3846         * tree-data-ref.h: Include omega.h.
3847         (DR_ACCESS_FNS_ADDR): Removed.
3848         (data_dependence_relation): Add inner_loop.
3849         (DDR_INNER_LOOP): New.
3850         * common.opt (fcheck-data-deps): New.
3851         * tree-flow.h (tree_check_data_deps): Declare.
3852         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3853         (OBJS-common): Depend on omega.o.
3854         (omega.o): Define.
3855         * passes.c (pass_check_data_deps): Scheduled.
3856         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3857         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3858         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3859         PARAM_VECT_MAX_VERSION_CHECKS,
3860         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3861
3862 2007-03-09  Richard Guenther  <rguenther@suse.de>
3863
3864         PR tree-optimization/30904
3865         PR middle-end/31058
3866         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3867         the same way as *_DIV_EXPR.
3868
3869 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3870
3871         * recog.c (decode_asm_operands): No mixed declarations and code.
3872
3873 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3874
3875         * rtl.def (ASM_INPUT): Add location.
3876         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3877         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3878         (decode_asm_operands): Add loc operand.
3879         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3880         * stmt.c (expand_asm): Rename to...
3881         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3882         gen_rtx_ASM_INPUT_loc.
3883         (expand_asm_expr): Adjust.
3884         * recog.c (decode_asm_operands): Add loc operand.
3885         (check_asm_operands, extract_insn): Adjust.
3886         * reload1.c (maybe_fix_stack_asms): Likewise.
3887         * final.c (asm_insn_count): Likewise.
3888         (final_scan_insn): Output # line before and after asm.
3889
3890 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3891
3892         * tree-ssa-structalias.c (variable_info): Remove
3893         finished_solution.
3894         (new_var_info): Ditto.
3895         (shared_bitmap_info_t): New structure.
3896         (shared_bitmap_table): New variable.
3897         (shared_bitmap_hash): New function.
3898         (shared_bitmap_eq): Ditto
3899         (shared_bitmap_lookup): Ditto.
3900         (shared_bitmap_add): Ditto.
3901         (merge_smts_into): Change to take bitmap directly.
3902         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
3903         (init_alias_vars): Init shared bitmap hashtable.
3904         (delete_points_to_sets): Delete shared bitmap hashtable.
3905         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3906         is_aliased removal as a change that was still necessary was
3907         deleted.
3908
3909 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3910
3911         * config/i386/i386.h (override_options): Conditionally disable
3912         x86_sahf for 64bit targets only.
3913
3914 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3915
3916         PR C/31072
3917         * c-decl.c (merge_decls): Don't call make_var_volatile.
3918         * varasm.c (make_var_volatile): Remove.
3919         * output.h (make_var_volatile): Remove.
3920
3921 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3922
3923         PR tree-optimization/31085
3924         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3925
3926 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3927
3928         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3929         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3930         ATTR_CONST_NOTHROW_LIST.
3931
3932         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3933         FIX_TRUNC_EXPR.
3934
3935 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3936
3937         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3938
3939 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3940
3941         PR 31013
3942         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3943         is declared.
3944         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3945         passed, use shared libgcc.
3946
3947 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3948
3949         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3950         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3951         (honor_protect_cleanup_actions, lower_try_finally_switch):
3952         Likewise.
3953         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3954         ifc_temp_var): Likewise.
3955         * tree-inline.c (setup_one_parameter): Likewise.
3956         * tree-mudflap.c (mf_decl_cache_locals,
3957         mf_build_check_statement_for): Likewise.
3958         * tree-nested.c (init_tmp_var, save_tmp_var,
3959         finalize_nesting_tree_1): Likewise.
3960         * tree-outof-ssa.c (insert_copy_on_edge,
3961         insert_backedge_copies): Likewise.
3962         * tree-profile.c (tree_gen_edge_profiler,
3963         tree_gen_ic_profiler): Likewise.
3964         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3965         * tree-sra.c (sra_build_assignment): Likewise.
3966         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3967         * tree-ssa-math-opts.c (insert_reciprocals,
3968         execute_cse_sincos_1): Likewise.
3969         * tree-tailcall.c (adjust_accumulator_values,
3970         adjust_return_value): Likewise.
3971         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3972         * tree-vect-transform.c (vect_create_data_ref_ptr,
3973         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3974         vect_create_epilog_for_reduction, vectorizable_reduction,
3975         vectorizable_call, vectorizable_conversion,
3976         vectorizable_assignment, vectorizable_operation,
3977         vectorizable_type_demotion, vect_gen_widened_results_half,
3978         vect_permute_store_chain, vectorizable_store,
3979         vect_setup_realignment, vect_permute_load_chain,
3980         vectorizable_load, vectorizable_condition,
3981         vect_create_cond_for_align_checks): Likewise.
3982         * tree-vrp.c (build_assert_expr_for): Likewise.
3983
3984 2007-03-08  Ian Lance Taylor  <iant@google.com>
3985
3986         * tree-vrp.c: Include "intl.h".
3987         (usable_range_p): New static function.
3988         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3989         overflowed values, juts set *strict_overflow_p.
3990         (compare_values): Only return -2 if one of the operands is not a
3991         constant.
3992         (compare_ranges): Call usable_range_p.
3993         (compare_range_with_value): Likewise.
3994         (vrp_evaluate_conditional_warnv): Rename from
3995         vrp_evaluate_conditional.  Make static.  Change all callers.
3996         (vrp_evaluate_conditional): New function.
3997         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3998         on signed overflow.
3999         (simplify_abs_using_ranges): Likewise.
4000         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4001         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4002         within_stmt parameter.
4003         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4004         vrp_evaluate_conditional.
4005         * tree-ssa-threadedge.c
4006         (record_temporary_equivalences_from_stmts_at_dest): Change
4007         simplify parameter to take a second tree parameter.
4008         (simplify_control_stmt_condition): Likewise.
4009         (thread_across_edge): Likewise.
4010         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4011         (thread_across_edge): Likewise.
4012         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4013
4014 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4015
4016         * config/i386/i386.h (TARGET_SAHF): New define.
4017         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4018         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4019         (x86_sahf): New global variable.
4020         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4021         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4022         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4023         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4024         for 64-bit.
4025         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4026         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4027         when expanding fcomi/sahf based tests.
4028         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4029         expanding sahf based alternative. Emit sahf based sequence when
4030         optimizing for code size.
4031         * config/i386/i386.md (x86_sahf_1): Do not disable for
4032         TARGET_64BIT, enable for TARGET_SAHF.
4033
4034 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4035
4036         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4037         spurious whitespace from error message.
4038
4039 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4040
4041         PR c++/30852
4042         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4043
4044 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4045
4046         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4047         bitfields.
4048         * tree-sra.c (instantiate_element): Propagate disabled warnings
4049         from the element itself to the created variable.
4050
4051 2007-03-07  Richard Henderson  <rth@redhat.com>
4052
4053         PR target/30848
4054         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4055         silently fix up the stack in the case of a missing register.
4056
4057 2007-03-07  Paul Brook  <paul@codesourcery.com>
4058
4059         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4060
4061 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4062
4063         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4064         New.
4065         (phase1_vrs): Use them.
4066         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4067         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4068         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4069         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4070         __gnu_Unwind_Restore_WMMXC if required.
4071         (_Unwind_VRS_Pop): Implement iWMMXt support.
4072         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4073         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4074         gnu_Unwind_Save_WMMXC): Define.
4075
4076 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4077
4078         * config/vxworks.h (vxworks_override_options): Declare.
4079         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4080         * config/vxworks.c: Include target.h and toplev.h.
4081         (vxworks_override_options): New function.
4082         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4083
4084 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4085
4086         * config/s390/s390.c (override_options): Don't emit an error when
4087         -mstack-size is used without providing -mstack-guard.
4088         (s390_emit_prologue): Choose stack_guard value automatically if not
4089         provided via command line.
4090         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4091
4092 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4093
4094         * config/i386/i386.c (output_set_got): Add a GOT initialization
4095         sequence for VxWorks PIC.
4096         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4097         around labels as well as symbols.  Use gotoff_operand instead
4098         of local_symbolic_operand.
4099         (legitimize_pic_address): Use gotoff_operand instead of
4100         local_symbolic_operand.  Use @GOT accesses for labels as
4101         well as symbols.
4102         (ix86_output_addr_diff_elt): Use PC-relative rather than
4103         GP-relative offsets for VxWorks PIC.
4104         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4105         no_new_pseudos.  Check whether the returned register is op0.
4106         * config/i386/i386.md (tablejump): Use PC-relative rather than
4107         GP-relative offsets for VxWorks PIC.
4108         * config/i386/predicates.md (gotoff_operand): New predicate.
4109
4110 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4111
4112         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4113         before defining.
4114         * config/vxworks-dummy.h: New file.
4115         * config/i386/i386.h: Include it.
4116
4117 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4118
4119         * dwarf2out.c (is_inlined_entry_point): New
4120         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4121         DW_AT_ranges if the first subblock is the entry point.
4122
4123 2007-03-06  David Daney  <ddaney@avtrex.com>
4124
4125         * doc/install.texi (mips-*-*): Change recommended binutils
4126         version.
4127
4128 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4129
4130         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4131         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4132         devices.
4133         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4134         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4135
4136 2007-03-06  Jan Hubicka  <jh@suse.cz>
4137
4138         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4139         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4140         are hot.
4141         (probably_cold_bb_p): Cold functions are cold.
4142         (probably_never_executed_bb_p): Cold functions are cold.
4143         (tree_bb_level_predictions): Predict calls to cold functions as not
4144         taken.
4145         (compute_function_frequency): Check hot/cold attributes.
4146         * function.h (function_frequency): Update comments.
4147         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4148         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4149         (c_common_att): Add cold and hot.
4150
4151         * doc/extend.texi (hot,cold attributes): Document.
4152
4153 2007-03-06  Andrew Haley  <aph@redhat.com>
4154
4155         * function.c (expand_function_end): Move blockage to just after we
4156         emit the label for the naked return from the function.
4157
4158 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4159
4160         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4161         before redefining.
4162
4163 2007-03-06  Jan Hubicka  <jh@suse.cz>
4164
4165         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4166         loaded for constant large models.  Non-large 64bit PIC can do.
4167         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4168         * cmodel.h: Add LARGE PIC.
4169         * i386.md (UNSPEC_PLTOFF): New.
4170         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4171         needed.
4172         (*call_1_rex64): Disable for large models.
4173         (*call_1_rex64_large): New.
4174         (*call_value_1_rex64): Disable for large models.
4175         (*call_value_1_rex64_large): New.
4176         (set_rip_rex4): New.
4177         (set_got_offset_rex64): New.
4178         * predicates.md (constant_call_address_operand): For large model
4179         constant calls are not possible.
4180         * i386-protos.h (construct_plt_address): Declare.
4181         * i386.c (override_options): Accept large models.
4182         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4183         (legitimate_constant_p): Add new UNSPECs.
4184         (legitimate_pic_operand_p): Likewise.
4185         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4186         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4187         non-large model.
4188         (output_pic_addr_const): Add PLTOFF.
4189         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4190         (ix86_expand_move): Legitimize pic address when in PIC mode.
4191         (construct_plt_address): New function.
4192         (ix86_expand_call): Offload the address to register and use GOT pointer
4193         for large model.
4194         * invoke.texi (mcmodel=large): Update documentation.
4195
4196 2007-03-06  Richard Henderson  <rth@redhat.com>
4197
4198         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4199         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4200         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4201         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4202         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4203         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4204         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4205         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4206         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4207         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4208         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4209         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4210         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4211         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4212         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4213         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4214         x86_schedule, x86_use_bt, x86_pad_returns,
4215         x86_use_xchgb): Merge into ...
4216         (ix86_tune_features): ... here.  New array.
4217         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4218         x86_bswap): Merge into ...
4219         (ix86_arch_features): ... here.  New array.
4220         (x86_3dnow_a): Remove.
4221         (x86_accumulate_outgoing_args): Make static.
4222         (x86_arch_always_fancy_math_387): Make static.
4223         (ix86_tune_mask, ix86_arch_mask): Move ...
4224         (override_options): ... to local variables here.  Apply the
4225         appropriate mask to each element of ix86_arch_features and
4226         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4227         as were done in the old macros.
4228         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4229         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4230         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4231         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4232         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4233         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4234         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4235         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4236         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4237         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4238         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4239         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4240         x86_accumulate_outgoing_args, x86_prologue_using_move,
4241         x86_epilogue_using_move, x86_decompose_lea,
4242         x86_arch_always_fancy_math_387, x86_shift1,
4243         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4244         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4245         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4246         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4247         x86_use_incdec, x86_pad_returns, x86_bswap,
4248         x86_partial_flag_reg_stall): Remove.
4249         (enum ix86_tune_indices): New.
4250         (ix86_tune_features): New.
4251         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4252         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4253         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4254         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4255         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4256         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4257         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4258         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4259         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4260         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4261         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4262         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4263         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4264         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4265         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4266         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4267         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4268         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4269         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4270         TARGET_EXT_80387_CONSTANTS): Use it.
4271         (enum ix86_arch_indices): New.
4272         (ix86_arch_features): New.
4273         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4274         TARGET_BSWAP): Use it.
4275         (ix86_tune_mask, ix86_arch_mask): Remove.
4276
4277 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4278
4279         PR bootstrap/31020
4280         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4281         Define using $${sysroot_headers_suffix}.
4282         * configure: Regenerate.
4283         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4284         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4285         defined.
4286         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4287         * gcc.c (print_sysroot_headers_suffix): New.
4288         (option_map): Include --print-sysroot-headers-suffix.
4289         (display_help): Mention -print-sysroot-headers-suffix.
4290         (process_command): Handle -print-sysroot-headers-suffix.
4291         (do_spec_1): Append multilib directory to include-fixed path if
4292         sysroot suffixes in use.
4293         (main): Handle -print-sysroot-headers-suffix.
4294         * Makefile.in (start.encap): Don't depend on xlimits.h
4295         (xlimits.h): Remove.
4296         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4297         limits.h for each multilib in fixinc_list.
4298         (fixinc_list, s-fixinc_list): New.
4299         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4300         generate them for each multilib in fixinc_list.
4301         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4302         multilib in fixinc_list.
4303         (mostlyclean): Don't remove xlimits.h.
4304         (clean): Remove include-fixed.
4305         (real-install-headers-tar, real-install-headers-cpio,
4306         real-install-headers-cp): Don't copy include, only include-fixed.
4307         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4308         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4309         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4310         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4311
4312 2007-03-06  Jan Hubicka  <jh@suse.cz>
4313
4314         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4315         NANs easilly.
4316
4317 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4318
4319         * configure.ac: Allow tm_file to contain build-directory files.
4320         * configure: Regenerate.
4321         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4322         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4323         * config/m68k/print-sysroot-suffix.sh: New file.
4324
4325 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4326
4327         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4328         of pic_offset_table_rtx if reload_completed.
4329         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4330         PIC_OFFSET_TABLE_REGNUM.
4331         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4332         return true.
4333         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4334         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4335
4336 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4337
4338         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4339         functions that call eh_return.
4340
4341 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4342
4343         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4344         functions that need a constant pool.
4345
4346 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4347
4348         PR target/28181
4349         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4350         (m68k_preferred_reload_class): Likewise.
4351         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4352         (SECONDARY_RELOAD_CLASS): Define.
4353         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4354         (LIMIT_RELOAD_CLASS): Delete.
4355         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4356         registers from storing bytes.
4357         (m68k_secondary_reload_class): New function.
4358         (m68k_preferred_reload_class): Likewise.
4359
4360 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4361
4362         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4363         leaf functions.
4364         (m68k_expand_prologue): Likewise.
4365
4366 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4367
4368         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4369         (mips_expand_epilogue): Add a bool parameter.
4370         (m68k_legitimize_sibcall_address): Declare.
4371         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4372         (m68k_expand_epilogue): Add a parameter to select between sibling
4373         and normal epilogues.  Only generate a return for the latter.
4374         (m68k_ok_for_sibcall_p): New function.
4375         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4376         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4377         (sibcall_value, *sibcall_value): Likewise.
4378         (*call, *call_value): Require !SIBLING_CALL_P.
4379         (epilogue): Update call to m68k_expand_epilogue.
4380         (sibcall_epilogue): New pattern.
4381         * config/m68k/predicates.md (const_call_operand): Say that this
4382         predicate applies to sibling calls too.
4383         (sibcall_operand): New predicate.
4384
4385 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4386
4387         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4388         alternatives as movsi_cf.
4389         (movsf_cf_hard): Add commentary.
4390
4391 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4392             Richard Sandiford  <richard@codesourcery.com>
4393
4394         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4395         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4396         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4397         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4398         as being live on exit from an interrupt function.
4399         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4400         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4401         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4402         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4403         (m68k_interrupt_function_p): Globalize.
4404         (m68k_compute_frame_layout): Remove reverse mask code.
4405         (m68k_emit_movem, m68k_set_frame_related): New functions.
4406         (m68k_output_function_prologue): Delete in favor of...
4407         (m68k_expand_prologue): ...this new function.
4408         (m68k_output_function_epilogue): Delete in favor of...
4409         (m68k_expand_epilogue): ...this new function.
4410         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4411         functions.
4412         (print_operand): Handle %?.
4413         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4414         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4415         (prologue, epilogue): New patterns.
4416         (return): Turn into a define_expand.
4417         (*return): New pattern, derived from old "return" pattern.  Use rte
4418         rather than rts for interrupt functions.  Only use rtd if the pop
4419         count is nonzero.
4420         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4421         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4422         (link, *link, unlink, *unlink, load_got): Likewise.
4423
4424 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4425
4426         PR target/23482
4427         PR target/17114
4428         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4429         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4430         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4431         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4432         and m68k_matches_u_p.
4433         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4434         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4435         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4436         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4437         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4438         (REG_STRICT_P): New macro.
4439         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4440         PCREL_GENERAL_OPERAND_OK.
4441         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4442         m68k_legitimate_base_reg_p.
4443         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4444         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4445         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4446         * config/m68k/m68k.c (m68k_address): New structure.
4447         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4448         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4449         (m68k_jump_table_ref_p, m68k_decompose_address)
4450         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4451         (m68k_matches_u_p): New functions.
4452         (print_operand_address): Rewrite to use m68k_decompose_index.
4453
4454 2007-03-05  David Taylor  <dtaylor@emc.com>
4455
4456         * gcc.c: Correct copyright date in --version output.
4457
4458 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4459
4460         * pa.md: In unamed move patterns, disparge copies between general
4461         and floating point registers using '?' modifier.  Don't include 'f'
4462         constraint for register preferences in DImode, SImode, HImode and
4463         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4464         Remove constraints for copies between general and floating registers
4465         in soft-float DFmode pattern.
4466         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4467         floating register.
4468         (movsf): Likewise.
4469
4470 2007-03-05  Mike Stump  <mrs@apple.com>
4471
4472         * c-common.c (targetcm): Add.
4473         * c-opts.c (c_common_handle_option): Handle language specific
4474         target options.
4475         * opts.c (handle_option): Verify language for target options, if
4476         any are given.
4477         * opth-gen.awk: Add CL_LANG_ALL.
4478         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4479         (TARGETCM_INITIALIZER): Add.
4480         * target.h (struct gcc_targetcm): Add.
4481         (targetcm): Add.
4482         * targhooks.c (default_handle_c_option): Add.
4483         * targhooks.h (default_handle_c_option): Add.
4484         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4485
4486         * config/darwin.opt (iframework): Add.
4487         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4488         * config/darwin-c.c (handle_c_option): Add.
4489         (TARGET_HANDLE_C_OPTION): Add.
4490         (targetcm): Add.
4491         * doc/invoke.texi (Darwin Options): Add -iframework.
4492
4493 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4494
4495         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4496         conversion.
4497
4498 2007-03-05  Ian Lance Taylor  <iant@google.com>
4499
4500         * c.opt (fgnu89-inline): New option.
4501         * c-opts.c (c_common_post_options): Set default value for
4502         flag_gnu89_inline.
4503         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4504         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4505         inline functions.
4506         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4507         (grokdeclarator, start_function): Likewise.
4508         * c-cppbuiltin.c (c_cpp_builtins): Define either
4509         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4510         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4511         (C Dialect Options): Document -fgnu89-inline.
4512         * doc/extend.texi (Function Attributes): Explain what the
4513         gnu_inline attribute does.
4514         * doc/cpp.texi (Common Predefined Macros): Document
4515         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4516
4517 2007-03-05  Ian Lance Taylor  <iant@google.com>
4518
4519         PR tree-optimization/31034
4520         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4521         half-range if the other side is an overflow infinity.
4522
4523 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4524
4525         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4526         (bfin*-linux-uclibc*): New configuration.
4527         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4528         defining.
4529         * config/bfin/linux.h: New file.
4530         * config/bfin/libgcc-bfin.ver: New file.
4531         * config/bfin/t-bfin-uclinux: New file.
4532         * config/bfin/t-bfin-linux: New file.
4533         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4534         (TARGET_OS_CPP_BUILTINS): New macro.
4535
4536 2007-03-05  Richard Guenther  <rguenther@suse.de>
4537
4538         * fold-const.c (fold_binary): Remove duplicate folding
4539         of comparison of non-null ADDR_EXPR against null.
4540
4541 2007-03-05  Richard Guenther  <rguenther@suse.de>
4542             Dorit Nuzman  <dorit@il.ibm.com>
4543
4544         PR tree-optimization/26420
4545         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4546         are no loops in the function.  Only print the number of
4547         vectorized loops if it is greater than zero or we are supposed
4548         to print information about unvectorized loops.
4549
4550 2007-03-05  Revital Eres  <eres@il.ibm.com>
4551
4552         * gcc.dg/var-expand1.c: New test.
4553         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4554         when an accumulator is expanded.
4555
4556 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4557
4558         PR other/30465
4559         * c-common.c (convert_and_check): Don't give warnings for
4560         conversion if 'expr' already overflowed.
4561
4562 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4563
4564         PR middle-end/30744
4565         * fold-const.c (fold_comparison): Enforce type consistency when
4566         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4567
4568 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4569
4570         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4571         containing a cast to the base of TARGET_MEM_REF.
4572
4573 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4574
4575         * tree.c (tree_contains_struct_check_failed): Remove spurious
4576         whitespace from error message.
4577
4578 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4579
4580         PR target/30406
4581         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4582         instead of precision.
4583
4584 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4585             Nathan Sidwell  <nathan@codesourcery.com>
4586
4587         * emit-rtl.c (find_auto_inc): New.
4588         (try_split): recreate REG_INC notes,
4589         Use regular for loops rather than whiles.
4590
4591 2007-03-03  Andreas Schwab  <schwab@suse.de>
4592
4593         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4594         * configure: Regenerate.
4595
4596 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4597
4598         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4599         flag_rounding_math, not flag_unsafe_math_optimizations.
4600
4601         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4602         fold_build2.
4603         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4604         alpha_fold_vector_minmax): Likewise.
4605         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4606         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4607
4608 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4609
4610         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4611         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4612         if the lhs has side-effects.
4613         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4614
4615 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4616
4617         * config/i386/i386.h (TUNEMASK): Remove define.
4618         (ARCHMASK): Remove define.
4619         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4620          Use ix86_arch_mask variable instead of ARCHMASK.
4621         * config/i386/i386.c (override_options): Ditto.
4622         (standard_80387_constant_p): Ditto.
4623
4624 2007-03-02  Ian Lance Taylor  <iant@google.com>
4625
4626         Used signed infinities in VRP.
4627         * tree-vrp.c (uses_overflow_infinity): New static function.
4628         (supports_overflow_infinity): New static function.
4629         (make_overflow_infinity): New static function.
4630         (negative_overflow_infinity): New static function.
4631         (positive_overflow_infinity): New static function.
4632         (is_negative_overflow_infinity): New static function.
4633         (is_positive_overflow_infinity): New static function.
4634         (is_overflow_infinity): New static function.
4635         (overflow_infinity_range_p): New static function.
4636         (compare_values_warnv): New function split out of compare_values.
4637         (compare_value): Call it.
4638         (set_value_range_to_nonnegative): Add overflow_infinity
4639         parameter.  Change caller.
4640         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4641         Change callers.
4642         (vrp_expr_computes_nonzero): Likewise.
4643         (compare_ranges, compare_range_with_value): Likewise.
4644         (compare_name_with_value, compare_names): Likewise.
4645         (vrp_evaluate_conditional): Likewise.
4646         (set_value_range): Handle infinity
4647         (vrp_operand_equal_p, operand_less_p): Likewise.
4648         (extract_range_from_assert): Likewise.
4649         (vrp_int_const_binop): Likewise.
4650         (extract_range_from_binary_expr): Likewise.
4651         (extract_range_from_unary_expr): Likewise.
4652         (extract_range_from_comparison): Likewise.
4653         (extract_range_from_expr): Likewise.
4654         (dump_value_range): Likewise.
4655         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4656         (test_for_singularity): Likewise.
4657         (vrp_int_const_binop): Remove inline qualifier.
4658         (adjust_range_with_scev): Add comment.
4659         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4660
4661 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
4662
4663         * tree-ssa-structalias.c (could_have_pointers): Tidy.
4664         (get_constraint_for): Likewise.
4665         (do_structure_copy): Likewise.
4666         (find_func_aliases): Fix references to MODIFY_EXPR.
4667         (intra_create_variable_infos): Tidy.
4668         * tree-ssa-operands.c (add_virtual_operand): Add argument
4669         IS_CALL_SITE.
4670         When adding members of alias sets, if IS_CALL_SITE is true and
4671         the symbol is not call-clobbered, skip it.
4672         Adjust all callers.
4673
4674 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4675
4676         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4677         entry by means of emit_insn_at_entry.
4678
4679 2007-03-02  Richard Henderson  <rth@redhat.com>
4680
4681         * expr.h (promoted_input_arg): Remove decl.
4682         * function.c (promoted_input_arg): Merge into ...
4683         * combine.c (setup_incoming_promotions): ... only caller.
4684         Rearrange to avoid double loop.
4685
4686 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4687             Peter Bergner  <bergner@vnet.ibm.com>
4688             Janis Johnson  <janis187@us.ibm.com>
4689
4690         * config/rs6000/dfp.md: New file.
4691         * config/rs6000/rs6000.md: Include dfp.md.
4692         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4693         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4694         and TDmode decimal float modes in FP registers.
4695         (num_insns_constant): Likewise.
4696         (rs6000_legitimate_offset_address_p): Likewise.
4697         (rs6000_legitimize_address): Likewise.
4698         (rs6000_legitimize_reload_address): Likewise.
4699         (rs6000_legitimate_address): Likewise.
4700         (rs6000_emit_move): Likewise.
4701         (function_arg_boundary): Likewise.
4702         (function_arg_advance): Likewise.
4703         (rs6000_darwin64_record_arg_recurse): Likewise.
4704         (function_arg): Likewise.
4705         (rs6000_gimplify_va_arg): Likewise.
4706         (rs6000_split_multireg_move): Likewise.
4707         (rs6000_output_function_epilogue): Likewise.
4708         (rs6000_output_function_epilogue): Likewise.
4709         (rs6000_register_move_cost): Likewise.
4710         (rs6000_function_value): Likewise.
4711         (rs6000_libcall_value): Likewise.
4712
4713 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4714
4715         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4716
4717 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4718
4719         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4720         Use $MULTIDIR to choose between the kernel and RTP headers,
4721         and use $WIND_BASE and $WIND_USR to locate them.
4722
4723 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4724
4725         * config/i386/i386.c (override_options): Put initialization of
4726         ix86_tune_mask and ix86_arch_mask to the correct place.
4727
4728 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4729             Michael Meissner  <michael.meissner@amd.com>
4730
4731         PR target/31019
4732         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4733         (ARCHMASK): Define.
4734         (TARGET_CMOVE): Use ARCHMASK.
4735         (TARGET_CMPXCHG): Ditto.
4736         (TARGET_CMPXCHG8B): Ditto.
4737         (TARGET_XADD): Ditto.
4738         (TARGET_BSWAP): Ditto.
4739         * config/i386/i386.c (ix86_tune_mask): New global variable.
4740         (ix86_arch_mask): Ditto.
4741         (override_options): Initialize ix86_tune_mask and
4742         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4743         target_flags.
4744
4745 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4746
4747         PR 30992
4748         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4749
4750 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
4751
4752         * target.h (init_dwarf_reg_sizes_extra): New target hook.
4753         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4754         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4755         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4756         hook.
4757         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4758         rs6000_init_dwarf_reg_sizes_extra): New.
4759         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4760         SPE register high parts.
4761
4762 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
4763
4764         * Makefile.in: Add install-pdf target as
4765         copied from automake v1.10 rules.
4766         * configure.ac: Add install-pdf to target list.
4767         * configure: Regenerate.
4768
4769 2007-03-01  Paul Brook  <paul@codesourcery.com>
4770
4771         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4772         modes to LDRD for DImode.
4773         (output_move_double): Fixup out of range ldrd/strd.
4774         (vfp_secondary_reload_class): Rename...
4775         (coproc_secondary_reload_class): ... to this.  Add wb argument.
4776         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4777         coproc_secondary_reload_class for CLASS_IWMMXT.
4778         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4779         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4780
4781 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4782
4783         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4784         factor by the estimated number of iterations.
4785         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4786         prefetch latency.
4787
4788         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4789         decode_caches_intel, detect_caches_intel): New functions.
4790         (host_detect_local_cpu): Use detect_caches_amd and
4791         detect_caches_intel.
4792
4793 2007-03-01  Richard Henderson  <rth@redhat.com>
4794
4795         * expr.c (emit_move_complex_push): Export.
4796         (emit_move_complex_parts): Split out from ...
4797         (emit_move_complex): ... here.
4798         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4799         * config/i386/i386.md (movcdi): New.
4800
4801 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
4802
4803         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4804         size of mode1 to check for tieable modes in MMX case.
4805
4806 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
4807
4808         * Makefile.in (rtlanal.o): Depend on tree.h.
4809         * rtl.h (offset_within_section_p, split_const): Declare.
4810         * rtlanal.c: Include tree.h.
4811         (offset_within_block_p): New function, taken from
4812         mips_offset_within_object_p.
4813         (split_const): New function, taken from mips_split_const.
4814         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4815         Declare.
4816         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4817         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4818         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4819         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4820         (m68k_illegitimate_symbolic_constant_p): New function.
4821         * config/m68k/m68k.md (movsi): Remove misleading predicates.
4822         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4823         symbolic constant that might be outside the symbol's section,
4824         move the symbol first and then add the offset.
4825         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4826         Override.
4827         * config/mips/mips.c (mips_split_const): Delete.
4828         (mips_offset_within_object_p): Delete.
4829         (mips_symbolic_constant_p): Use offset_within_section_p and
4830         split_const instead of mips_offset_within_object_p and
4831         mips_split_const.
4832         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4833         (mips_legitimize_const_move, print_operand_reloc)
4834         (mips_dangerous_for_la25_p): Use split_const instead of
4835         mips_split_const.
4836
4837 2007-02-28  Eric Christopher  <echristo@apple.com>
4838
4839         * Makefile.in (install-include-dir): Don't rm -rf include.
4840
4841 2007-02-28  Richard Guenther  <rguenther@suse.de>
4842
4843         PR middle-end/30364
4844         * fold-const.c (fold_binary): Do not associate expressions
4845         with more than one variable for integer types that do not wrap.
4846
4847 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4848
4849         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4850         Delete, and replace with...
4851         (fold_builtin_call_array): This.  Update callers to use it.
4852         * fold-const.c (fold_build_call_list): Delete, and replace with...
4853         (fold_build_call_array): This.
4854         (fold_build_call_list_initializer): Delete, and replace with...
4855         (fold_build_call_array_initializer): This.
4856         * tree.h: Update declarations to reflect above changes.
4857
4858         * c-typeck.c (build_function_call): Store converted arguments
4859         in a stack-allocated array instead of building a list.
4860         (convert_arguments): Store arguments in the array passed in as an
4861         argument, and return the actual number of arguments.
4862         * c-format.c: (check_function_format): Pass arguments in an
4863         array instead of a list.
4864         * c-common.c (check_function_nonnull): Likewise.
4865         (check_function_sentinel): Likewise.
4866         (check_function_arguments): Likewise.
4867         * c-common.h: Update declarations to reflect above changes.
4868
4869 2007-02-28  Jan Hubicka  <jh@suse.cz>
4870
4871         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4872         PRED_NEGATIVE_RETURN): Update outcomes.
4873
4874 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4875
4876         * calls.c (emit_library_call_value_1): Handle partial registers
4877         correctly when building up CALL_INSN_FUNCTION_USAGE.
4878
4879 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4880
4881         * pa/predicates.md (move_src_operand): Allow zero for mode.
4882         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4883         move pattern.
4884
4885 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4886
4887         PR target/30970
4888         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4889         *movv2df_internal): Enable pattern only for valid operand
4890         combinations.
4891         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4892         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4893
4894 2007-02-27  Mike Stump  <mrs@apple.com>
4895
4896         * config/darwin-crt3.c: Avoid compilation when compiling for a
4897         kext multilib.
4898
4899 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4900
4901         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4902         FIXED_INCLUDE_DIR.
4903         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
4904         for fixed headers and limits.h.
4905         (install-include-dir, install-headers-tar, install-headers-cpio,
4906         install-headers-cp, real-install-headers-tar,
4907         real-install-headers-cpio, real-install-headers-cp): Handle
4908         include-fixed as well as include.
4909         (install-mkheaders): Don't install files that go only in include
4910         not include-fixed.
4911         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4912         from GCC_INCLUDE_DIR.
4913         * gcc.c (process_command): Remove special -BstageN/ handling.
4914         (do_spec_1): Add include-fixed directories.
4915
4916 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4917
4918         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4919         _smulsi3_highpart.
4920         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4921         New functions.
4922         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4923         patterns.
4924
4925 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4926
4927         * c-common.c (get_priority): Add check for
4928         SUPPORTS_INIT_PRIORITY.
4929
4930 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4931
4932         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4933
4934         * config/bfin/bfin.c: Include "cfglayout.h".
4935         (MAX_LSETUP_DISTANCE): New macro.
4936         (struct loop_info): New members incoming, incoming_src and
4937         incoming_dest.  Delete member predecessor.
4938         (length_for_loop): New function.
4939         (bfin_optimize_loop): Handle more different loop structures.
4940         (bfin_discover_loop): Rework detection of predecessor blocks by
4941         examining incoming edges.
4942         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4943         bfin_reorg_loops.
4944         (bfin_reorder_loops): New function.
4945         (bfin_reorg_loops): Use these three new functions.
4946
4947         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4948         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4949         (CONSTRAINT_LEN): Add entry for 'q'.
4950         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4951         Add 'q' constraints.
4952         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4953         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4954
4955         * config/bfin/bfin.md (add_with_carry): New pattern.
4956         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4957         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4958         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4959         support unsigned multiplies too.  Removed incorrect commutativity from
4960         operand 1 constraint where appropriate.
4961         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4962         patterns.
4963         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4964         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4965         New patterns.
4966         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4967         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4968         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4969         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4970         usmulhisi_hh_huh): New patterns.
4971
4972         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4973         lshifthi3): Fix output template to use half reg for operand 2.
4974
4975         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4976         instead of R2.
4977
4978         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4979
4980 2007-02-27  Andreas Schwab  <schwab@suse.de>
4981
4982         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4983
4984 2007-02-27  Jan Hubicka  <jh@suse.cz>
4985
4986         * predict.c (last_basic_block_p): Remove.
4987         (tree_estimate_probability): Update return heuristic for commonized
4988         return blocks.
4989
4990 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4991
4992         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4993
4994 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4995
4996         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4997         * doc/cpp.texi: Standardize title page.
4998         * doc/cppinternals.texi: Likewise.
4999         * doc/gcc.texi: Standardize title page, remove version number
5000         from copyright page.
5001         * doc/gccint.texi: Likewise.
5002         * doc/install.texi: Standardize title page, add table of
5003         contents.
5004
5005 2007-02-26  Jan Hubicka  <jh@suse.cz>
5006
5007         * predict.def: Set outcomes according to more recent results.
5008         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5009         Remove dead predictors.
5010         * predict.c (return_prediction): Fix pasto.
5011
5012 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5013
5014         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5015         change; avoid a memory leak when returning early.
5016
5017 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5018
5019         * c-decl.c (static_ctors): Move to c-common.c.
5020         (static_dtors): Likewise.
5021         (finish_function): Use c_record_cdtor_fn.
5022         (build_cdtor): Move to c-common.c.
5023         (c_write_global_declarations): Use c_build_cdtor_fns.
5024         * c-common.h (static_ctors): Declare.
5025         (static_dtors): Likewise.
5026         (c_record_cdtor_fn): Likewise.
5027         (c_build_cdtor_fns): Likewise.
5028         * c-common.c (static_ctors): New variable.
5029         (static_dtors): Likewise.
5030         (c_record_cdtor_fn): New function.
5031         (build_cdtor): Move from c-decl.c
5032         (c_build_cdtor_fns): New function.
5033
5034         * output.h (assemble_addr_to_section): Declare.
5035         (get_cdtor_priority_section): Likewise.
5036         * varasm.c (assemble_addr_to_section): New function.
5037         (get_cdtor_priority_section): Likewise.
5038         (default_named_section_asm_out_destructor): Use them.
5039         (destor_dtor_section_asm_out_destructor): Likewise.
5040         (default_named_section_asm_out_constructor): Likewise.
5041         (default_ctor_section_asm_out_constructor): Likewise.
5042         * config.gcc (*-*-vxworks*): Include vxworks.o.
5043         * config/t-vxworks (vxworks.o): New target.
5044         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5045         (TARGET_ASM_CONSTRUCTOR): Define.
5046         (TARGET_ASM_DESTRUCTOR): Likewise.
5047         (vxworks_asm_out_constructor): Declare.
5048         (vxworks_asm_out_destructor): Likewise.
5049
5050         * c-common.c (get_priority): Check that we have not just an
5051         INTEGER_CST, but an integer constant with integeral type.
5052
5053 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5054
5055         PR tree-optimization/30938
5056         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5057         use &dt[nargs-1] instead of &dt[nargs] in the call to
5058         vect_is_simple_use().
5059
5060 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5061
5062         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5063         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5064         Do not attempt to handle MEM inside auto-inc expressions.
5065         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5066         of a register modified by an auto-inc expression.  However, do handle
5067         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5068         (elimination_effects): Prohibit elimination of a register modified
5069         by an auto-inc expression.  Disable register elimination rules whose
5070         target register is modified by an auto-inc expression with variable
5071         increment.
5072
5073 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5074
5075         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5076         off-by-one error.
5077         (array_at_struct_end_p): New function.
5078         (idx_infer_loop_bounds): Use it.
5079         (estimate_numbers_of_iterations_loop): Export.
5080         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5081         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5082         (tree_estimate_probability): Call record_loop_exits.
5083         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5084         (estimated_loop_iterations, estimated_loop_iterations_int,
5085         estimated_loop_iterations_tree): New functions.
5086         (analyze_siv_subscript_cst_affine,
5087         compute_overlap_steps_for_affine_1_2,
5088         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5089         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5090         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5091         (PRED_LOOP_ITERATIONS_GUESSED): New.
5092         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5093         * cfgloop.h (estimate_numbers_of_iterations_loop,
5094         estimated_loop_iterations_int): Declare.
5095
5096 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5097
5098         * doc/extend.texi: Document optional priority argument to
5099         constructors and destructors.
5100         * tree.c (init_priority_for_decl): Adjust GTY markers.
5101         (init_ttree): Use priority-info hash functions for
5102         init_priority_for_decl.
5103         (tree_map_eq): Rename to ...
5104         (tree_map_base_eq): ... this.
5105         (tree_map_marked_p): Rename to ...
5106         (tree_map_base_marked_p): ... this.
5107         (tree_map_base_hash): New function.
5108         (decl_init_priority_lookup): Rework.
5109         (decl_fini_priority_lookup): New function.
5110         (decl_priority_info): New function.
5111         (decl_init_priority_insert): Use it.
5112         (decl_fini_priority_insert): Likewise.
5113         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5114         hierarchy.
5115         (decl_restrict_base_insert): Likewise.
5116         (decl_debug_expr_insert): Likewise.
5117         (decl_value_expr_lookup): Likewise.
5118         (decl_value_expr_insert): Likewise.
5119         * tree.h (priority_type): New type.
5120         (decl_init_priority_lookup): Use priority_type.
5121         (decl_fini_priority_lookup): New function.
5122         (decl_init_priority_insert): Use priority_type.
5123         (decl_fini_priority_insert): New function.
5124         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5125         (DECL_INIT_PRIORITY): Likewise.
5126         (SET_DECL_INIT_PRIORITY): Add comment.
5127         (DECL_FINI_PRIORITY): New macro.
5128         (SET_DECL_FINI_PRIORITY): Likewise.
5129         (DEFAULT_INIT_PRIORITY): Document.
5130         (MAX_INIT_PRIORITY): Likewise.
5131         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5132         (tree_map_base): New type.
5133         (tree_map_base_eq): New function.
5134         (tree_map_base_hash): Likewise.
5135         (tree_map_base_marked_p): Likewise.
5136         (tree_map): Inherit from tree_map_base.
5137         (tree_map_eq): Make it a macro.
5138         (tree_map_marked_p): Likewise.
5139         (tree_int_map): Inherit from tree_map_base.
5140         (tree_int_map_eq): Make it a macro.
5141         (tree_int_map_hash): Likewise.
5142         (tree_int_map_marked_p): Likewise.
5143         (tree_priority_map): New type.
5144         (tree_priority_map_eq): New macro.
5145         (tree_priority_map_hash): Likewise.
5146         (tree_priority_map_marked_p): Likewise.
5147         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5148         hierarchy.
5149         (emutls_common_1): Likewise.
5150         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5151         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5152         of tree_map hierarchy.
5153         * tree-cfg.c (move_stmt_r): Likewise.
5154         (new_label_mapper): Likewise.
5155         * c-tree.h (c_expand_body): Move to ...
5156         * c-common.h (c_expand_body): ... here.
5157         * c-decl.c (c_expand_body): Move to ...
5158         * c-common.c (c_expand_body): ... here.
5159         (c_common_attribute_table): Allow 1 argument for the constructor
5160         and destructor attributes.
5161         (get_priority): New function.
5162         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5163         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5164
5165 2007-02-24  Jan Hubicka  <jh@suse.cz>
5166
5167         PR middle-end/30509
5168         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5169
5170 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5171             Jan Hubicka  <jh@suse.cz>
5172
5173         PR target/30778
5174         * i386.c (counter_mode): New function.
5175         (expand_set_or_movmem_via_loop): Use it.
5176         (expand_movmem_epilogue): Likewise; fix pasto.
5177         (ix86_expand_movmem): Do emit guard even for constant counts.
5178         (ix86_expand_setmem): Likewise.
5179
5180 2007-02-25  Nick Clifton  <nickc@redhat.com>
5181
5182         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5183         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5184
5185 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5186
5187         PR target/30770
5188         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5189         count argument with 0x10, not with 0x16.
5190         (expand_setmem_epilogue): Ditto.
5191
5192 2007-02-24  Mike Stump  <mrs@apple.com>
5193
5194         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5195         symbols.
5196
5197 2007-02-24  Richard Guenther  <rguenther@suse.de>
5198
5199         PR middle-end/30951
5200         * fold-const.c (fold_binary): Fold x +- CST op x for
5201         EQ_EXPR and NE_EXPR.
5202
5203 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5204
5205         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5206
5207 2007-02-24  Jan Hubicka  <jh@suse.cz>
5208
5209         * cgraphunit.c (decide_is_function_needed): Honor
5210         -fkeep-inline-functions.
5211
5212 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5213
5214         * builtins.c (fold_builtin_modf): New.
5215         (fold_builtin_2): Use it.
5216
5217 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5218
5219         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5220         (determine_max_iter): Take additional LOOP arg; all callers changed.
5221         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5222         one using simplifications.
5223         (simplify_using_initial_values): Return if the expression becomes
5224         invalid due to altered regs.
5225
5226 2007-02-23  DJ Delorie  <dj@redhat.com>
5227
5228         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5229
5230 2007-02-23  Mike Stump  <mrs@apple.com>
5231
5232         * tlink.c (scan_linker_output): Parse linker messages from
5233         darwin9's linker better.
5234
5235 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5236
5237         PR debug/29614
5238         * varpool.c (varpool_assemble_pending_decls):  Set
5239         varpool_last_needed_node to null.
5240
5241 2007-02-23  DJ Delorie  <dj@redhat.com>
5242
5243         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5244         alignment bigger than the object file can handle.
5245
5246 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5247
5248         PR target/30825
5249         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5250         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5251         (*movsf_1): Penalize MMX moves.
5252
5253 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5254
5255         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5256         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5257
5258         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5259
5260 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5261
5262         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5263         (fold_builtin_1): Use them.
5264         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5265         BUILT_IN_SIGNIFICAND.
5266
5267 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5268
5269         * config/i386/i386.c (bdesc_1arg): Initialize
5270         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5271         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5272         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5273         and IX86_BUILTIN_MOVSLDUP.
5274
5275 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5276
5277         PR rtl-optimization/30841
5278         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5279
5280 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5281
5282         * builtins.c (fold_builtin_frexp): New.
5283         (fold_builtin_2): Use it.
5284
5285 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5286
5287         * doc/invoke.texi (Spec Files): Document getenv spec function.
5288
5289         * gcc.c (getenv_spec_function): New function.
5290         (static_spec_functions): Add it.
5291         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5292         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5293         header files.
5294
5295 2007-02-22  Michael Matz  <matz@suse.de
5296
5297         PR c++/29433
5298         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5299         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5300
5301 2007-02-22  Ian Lance Taylor  <iant@google.com>
5302
5303         PR debug/30898
5304         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5305         (mem_loc_descriptor): Call it.
5306
5307 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5308             Ira Rosen  <irar@il.ibm.com>
5309
5310         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5311
5312 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5313
5314         PR tree-optimization/30843
5315         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5316         stores only after all the group is vectorized.
5317
5318 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5319
5320         PR tree-optimization/30858
5321         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5322         in the reduction cycle have a single use in the loop.
5323         * tree-vectorizer.h (relevant): Add documentation.
5324
5325 2007-02-20  Mike Stump  <mrs@apple.com>
5326
5327         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5328         * configure: Regenerate.
5329
5330 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5331
5332         Change the defaults of some parameters and options.
5333         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5334         * config/spu/spu.c (spu_optimization_options): Add.
5335         (spu_override_options): Change params in spu_optimization_options.
5336         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5337
5338         Register 127 is only 16 byte aligned when used as a frame pointer.
5339         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5340         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5341         HARD_FRAME_POINTER_REGNUM.
5342         (spu_legitimate_address):  Use regno_aligned_for_reload.
5343         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5344         aligned when frame_pointer_needed is true.
5345         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5346         to 8 bits.
5347         * config/spu/spu.h (INIT_EXPANDERS): Define.
5348
5349         Make sure shift and rotate instructions have valid immediate operands.
5350         * config/spu/predicates.md (spu_shift_operand): Remove.
5351         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5352         * config/spu/constraints.md (W, O): Extend range.
5353         * config/spu/spu.md (umask, nmask): Define.
5354         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5355         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5356         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5357         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5358         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5359         (lshr<mode>3_reg):  Fix rtl description.
5360
5361         Make sure mulhisi immediate operands are valid.
5362         * config/spu/predicates.md (imm_K_operand): Add.
5363         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5364
5365         Generate constants using fsmbi and andi.
5366         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5367         (print_operand, spu_split_immediate, classify_immediate,
5368         fsmbi_const_p): Handle IC_FSMBI2.
5369
5370         Correctly handle a CONST_VECTOR containing symbols.
5371         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5372         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5373         (immediate_load_p): Allow symbols that use 2 instructions to create.
5374         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5375         with symbols when flag_pic is set.
5376         (const_vector_immediate_p): New.
5377         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5378         accept a CONST_VECTOR with symbols.
5379         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5380         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5381         correctly.
5382         * config/spu/spu.md (high, low): Delete.
5383         (low_<mode>): Define.
5384
5385         Remove INTRmode and INTR_REGNUM, which didn't work.
5386         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5387         of INTR_REGNUM.
5388         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5389         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5390         peephole2 pattern): Don't use INTR or 131.
5391         (movintrcc): Delete.
5392         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5393         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5394         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5395         (UNSPEC_SET_INTR): Add.
5396         * config/spu/spu-modes.def (INTR): Remove.
5397
5398         More accurate warnings about run-time relocations.
5399         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5400
5401         Correctly warn about immediate arguments to specific intrinsics.
5402         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5403         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5404         the instruction predicate.
5405
5406         Fix tree check errors with latest update.
5407         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5408         CALL_EXPR_ARG.
5409         (spu_expand_builtin): Use CALL_EXPR_FN.
5410
5411         Add missing specific intrinsics.
5412         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5413         si_bislede.
5414         * config/spu/spu_internals.h: Ditto.
5415
5416         Fix incorrect operand modifiers.
5417         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5418         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5419
5420         Optimize one case of zero_extend of a vec_select.
5421         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5422
5423         Accept any immediate for hbr.
5424         * config/spu/spu.md (hbr):  Change s constraints to i.
5425
5426 2007-02-21  Paul Brook  <paul@codesourcery.com>
5427
5428         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5429         condexec_count when skipping USE and CLOBBER.
5430
5431 2007-02-21  Nick Clifton  <nickc@redhat.com>
5432
5433         * common.opt (Warray-bounds): Add Warning attribute.
5434         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5435         Likewise.
5436         (fsized-zeroes): Add Optimization attribute.
5437         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5438         * c.opt (Wc++0x-compat): Add Warning attribute.
5439
5440 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5441
5442         PR middle-end/30761
5443         * reload1.c (eliminate_regs_in_insn): In the single_set special
5444         case, attempt to re-recognize the insn before falling back to
5445         having reload fix it up.
5446
5447 2007-02-20  Eric Christopher  <echristo@gmail.com>
5448
5449         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5450         Rewrite accordingly.
5451         (frv_read_iacc_argument): Ditto.
5452         (frv_expand_set_builtin): Take a call instead of arglist, update for
5453         above changes.
5454         (frv_expand_unop_builtin): Ditto.
5455         (frv_expand_binop_builtin): Ditto.
5456         (frv_expand_cut_builtin): Ditto.
5457         (frv_expand_binopimm_builtin): Ditto.
5458         (frv_expand_voidbinop_builtin): Ditto.
5459         (frv_expand_int_void2arg): Ditto.
5460         (frv_expand_prefetches): Ditto.
5461         (frv_expand_voidtriop_builtin): Ditto.
5462         (frv_expand_voidaccop_builtin): Ditto.
5463         (frv_expand_load_builtin): Ditto.
5464         (frv_expand_store_builtin): Ditto.
5465         (frv_expand_mdpackh_builtin): Ditto.
5466         (frv_expand_mclracc_builtin): Ditto.
5467         (frv_expand_mrdacc_builtin): Ditto.
5468         (frv_expand_mwtacc_builtin): Ditto.
5469         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5470         calls for above.
5471
5472 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5473
5474         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5475         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5476         cmpb instruction.
5477         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5478         point instructions.
5479         * configure: Regenerate.
5480         * config.in: Regenerate.
5481         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5482         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5483         masks to power6 and power6x and to POWERPC_MASKS.
5484         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5485         _ARCH_PWR6.
5486         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5487         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5488         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5489         Access PROTOTYPE as variable, not mask.
5490
5491 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5492
5493         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5494         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5495         * combine.c (adjust_for_new_dest): Use it.
5496         * postreload.c (reload_combine): Likewise.
5497
5498 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5499
5500         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5501         notes on an insn with multiple sets, even if single_set returns
5502         non-NULL for that insn.
5503
5504 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5505
5506         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5507         scalbn and scalbln.
5508
5509 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5510
5511         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5512         if user didn't pass it.
5513         * config/i386/darwin.h (CC1_SPEC): Likewise.
5514         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5515         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5516         -mmacosx-version-min.
5517
5518 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5519             Uros Bizjak  <ubizjak@gmail.com>
5520
5521         * optabs.h (enum optab_index): Add new OTI_scalb.
5522         (scalb_optab): Define corresponding macro.
5523         * optabs.c (init_optabs): Initialize scalb_optab.
5524         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5525         patterns.
5526         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5527         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5528         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5529         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5530         flag_unsafe_math_optimizations is set.
5531
5532         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5533         to implement scalbf, scalb and scalbl built-ins as inline x87
5534         intrinsics.
5535
5536 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5537             DJ Delorie <dj@redhat.com>
5538
5539         PR other/30824
5540         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5541         (diagnostic_report_diagnostic): ... here, and turn them into real
5542         errors. If warnings are inhibited, no need to do anything.
5543
5544 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5545
5546         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5547         better code generation.
5548
5549 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5550
5551         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5552
5553 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5554
5555         * config/alpha/alpha.c, config/alpha/alpha.md,
5556         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5557         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5558         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5559         config/arm/lib1funcs.asm: Follow spelling conventions.
5560
5561         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5562         config/fr30/fr30.md, config/i386/i386.h,
5563         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5564         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5565         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5566         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5567         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5568         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5569         config/sparc/sparc.c, config/sparc/sparc.h,
5570         config/sparc/sparc.md, config/spu/constraints.md,
5571         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5572         conventions.
5573
5574 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5575
5576         PR target/29943
5577         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5578         alias attribute.
5579
5580 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5581
5582         * doc/invoke.texi (-ftree-lrs): Remove.
5583
5584 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5585
5586         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5587         NULL.
5588
5589 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5590
5591         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5592         new CALL_EXPR_FN macro for retrieving the function
5593         declaration of the input expression.
5594
5595 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5596
5597         * c.opt (Waddress): New.
5598         * common.opt (Walways-true): Delete.
5599         (Wstring-literal-comparison): Delete.
5600         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5601         -Wstring-literal-comparison. Add -Waddress.
5602         (Waddress): New.
5603         (Walways-true): Delete.
5604         (Wstring-literal-comparison): Delete.
5605         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5606         consistently instead of -Walways-true in example.
5607         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5608         * c-typeck.c (parser_build_binary_op): Replace
5609         -Wstring-literal-comparison and -Walways-true with -Waddress.
5610         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5611         with -Waddress.
5612
5613 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5614
5615         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5616         without DECL_STRUCT_FUNCTION initialized.
5617
5618 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5619
5620         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5621         due to calls to functions taking pointers as parameters.
5622
5623 2007-02-19  Richard Henderson  <rth@redhat.com>
5624
5625         PR debug/29558
5626         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5627         in memory.
5628
5629 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5630
5631         * config/s390/s390.c (s390_call_saved_register_used,
5632         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5633         accessed to the new scheme.
5634
5635 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5636
5637         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5638         (cris_print_index, cris_print_operand, cris_print_operand_address)
5639         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5640         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5641         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5642         GET_CODE () == xxx.
5643         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5644         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5645         GO_IF_LEGITIMATE_ADDRESS): Ditto.
5646         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5647         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5648         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5649         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5650         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5651         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5652         (uminsi3, call, call_value): Ditto.
5653         (define_split: indir_to_reg_split, unnamed): Ditto.
5654
5655 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
5656
5657         PR tree-optimization/30975
5658         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5659         wrong assert.
5660
5661 2007-02-18  Eric Christopher  <echristo@gmail.com>
5662
5663         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5664         Remove use of arglist.
5665         (mips_expand_builtin): Remove use of arglist, pass in expr.
5666         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5667         (mips_expand_builtin_movtf): Ditto.
5668         (mips_expand_builtin_compare): Ditto.
5669
5670 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5671
5672         * tree-sra.c (sra_build_assignment): Replace assertion
5673         checking with a comment explaining why it can't be done.
5674
5675 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5676
5677         PR middle-end/30833
5678         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5679         during CALL_EXPR representation conversion.
5680         * tree-ssa-propagate.c (set_rhs): Likewise.
5681
5682 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5683
5684         * tree-sra.c (sra_build_assignment): Disable assertion checking
5685         for now.
5686
5687 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5688
5689         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5690         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5691         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5692         Likewise.
5693         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5694         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
5695         gimplify_init_ctor_eval_range, gimple_push_cleanup,
5696         gimplify_omp_for, gimplify_omp_atomic_pipeline,
5697         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5698         force_gimple_operand): Likewise.
5699         * ipa-cp.c (constant_val_insert): Likewise.
5700         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5701         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5702         perfect_nestify): Likewise.
5703         * langhooks.c (lhd_omp_assignment): Likewise.
5704         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5705         lower_copyprivate_clauses, lower_send_clauses,
5706         lower_send_shared_vars, expand_parallel_call,
5707         expand_omp_for_generic, expand_omp_for_static_nochunk,
5708         expand_omp_for_static_chunk, expand_omp_sections,
5709         lower_omp_single_copy, lower_omp_for_lastprivate,
5710         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5711         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5712         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5713         Likewise.
5714
5715 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5716
5717         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5718         config/sh/sh.md: Follow spelling conventions.
5719
5720         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5721         config/frv/predicates.md: Follow spelling conventions.
5722
5723         * config/m68k/linux-unwind.h: Fix a comment typo.
5724         * target.h: Follow spelling conventions.
5725
5726 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5727
5728         PR rtl-optimization/28173
5729         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
5730         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5731         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5732         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5733         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5734
5735 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5736
5737         * builtins.c (fold_builtin_load_exponent): New.
5738         (fold_builtin_2): Use it.
5739
5740 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
5741
5742         PR rtl-optimization/30773
5743         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5744         if we fail to attach a REG_EQUIV note.
5745
5746 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
5747             Roger Sayle  <roger@eyesopen.com>
5748
5749         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5750
5751 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5752
5753         * calls.c (initialize_argument_information): Pass original EXP
5754         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
5755         code to split complex arguments here, as part of initializing the
5756         ARGS array.
5757         (expand_call): Remove code that builds a list of arguments and
5758         inserts implicit arguments into it.  Instead, just count how many
5759         implicit arguments there will be so we can determine the size of
5760         the ARGS array, and let initialize_argument_information do the work.
5761         (split_complex_values): Delete unused function.
5762
5763 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5764
5765         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5766
5767 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5768
5769         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5770         for arg pointer based indexed addressing.
5771
5772 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5773
5774         * config/ia64/ia64.h, config/ia64/ia64.md,
5775         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5776         spelling conventions.
5777
5778 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5779
5780         * config/m68k/m68k.c (split_di): New.
5781         * config/m68k/m68k-protos.h: Declare split_di.
5782         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5783           Improve predicate handling and split constant shifts.
5784
5785 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5786
5787         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5788         parameter for register bitfield operations, general predicates
5789         cleanup
5790
5791 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5792
5793         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5794         * config/m68k/linux-unwind.h: New file.
5795
5796 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5797
5798         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5799         config/i386/athlon.md, config/ia64/ia64.md,
5800         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5801         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5802         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5803         tree-ssa-loop-niter.c, tree-vect-analyze.c,
5804         tree-vect-transform.c: Fix comment typos.
5805
5806 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
5807
5808         * sched-deps.c (find_insn_list): Remove.
5809         * sched-int.h: Remove the prototype for find_insn_list.
5810
5811 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
5812
5813         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5814         to linker.
5815         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5816         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5817         darwin_rs6000_override_options.
5818         (C_COMMON_OVERRIDE_OPTIONS): Expect
5819         darwin_macosx_version_min to be non-NULL always.
5820         (TARGET_C99_FUNCTIONS): Likewise.
5821         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5822         (DARWIN_MINVERSION_SPEC): New.
5823         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5824         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5825         to cc1*.
5826         (DARWIN_MINVERSION_SPEC): New.
5827         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5828         value.
5829         * config/darwin-c.c (darwin_cpp_builtins): Expect
5830         darwin_macosx_version_min to be non-NULL always.
5831
5832         * config/rs6000/rs6000.c: Clean up trailing whitespace.
5833
5834 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
5835
5836         * config/i386/i386.h (x86_use_xchgb): New.
5837         (TARGET_USE_XCHGB): New macro.
5838         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5839         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5840         Split after reload into bswaphi for shifts of 8.
5841         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5842         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5843         or when optimizing for size.
5844
5845 2007-02-16  Richard Guenther  <rguenther@suse.de>
5846             Christian Bruel  <christian.bruel@st.com>
5847
5848         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5849         DECLs but prefer SSA_NAMEs over DECLs.
5850
5851 2007-02-16  Richard Guenther  <rguenther@suse.de>
5852
5853         * tree-flow-inline.h (single_imm_use_p): Remove.
5854         (zero_imm_uses_p): Likewise.
5855         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5856         instead of single_imm_use_p.
5857         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5858         zero_imm_uses_p.
5859
5860 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5861
5862         PR other/27843
5863         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5864         nested double- and backquotes.
5865
5866 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5867
5868         PR middle-end/30391
5869         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5870         should be unreachable.
5871         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5872         For the time being redirect GIMPLE_MODIFY_STMT to the new
5873         (renamed) build_gimple_modify_stmt_stat.
5874         (build2_gimple_stat): Rename to...
5875         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5876         Always build a GIMPLE_MODIFY_STMT node.
5877         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5878         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5879         declarations.
5880
5881         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5882         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5883         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5884         expand_complex_div_wide): Likewise.
5885         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5886         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5887         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5888         * tree-ssa-loop-manip.c (create_iv): Likewise.
5889         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5890         abs_replacement): Likewise.
5891         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5892         realify_fake_stores): Likewise.
5893
5894         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5895         node rather than a GIMPLE_MODIFY_STMT node.
5896         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5897         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5898         Likewise.
5899         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5900         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5901         GIMPLE_MODIFY_STMT.
5902
5903 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5904
5905         PR middle-end/30433
5906         * fold-const.c (fold_comparison): Add back the
5907         folding of constant complex comparisions.
5908
5909 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5910
5911         PR middle-end/30729
5912         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5913         effects unknown to this function, return early.
5914
5915 2007-02-15  Ian Lance Taylor  <iant@google.com>
5916
5917         * lower-subreg.c (move_eh_region_note): New static function.
5918         (resolve_simple_move): Call it.
5919         (decompose_multiword_subregs): Track blocks for which we resolve a
5920         simple move which is also a control flow insn.  Pass them to
5921         find_many_sub_basic_blocks.
5922         (pass_lower_subreg): Add TODO_verify_flow.
5923         (pass_lower_subreg2): Likewise.
5924
5925 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5926             Brooks Moses  <brooks.moses@codesourcery.com>
5927             Lee Millward  <lee.millward@codesourcery.com>
5928
5929         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5930         (VL_EXP_CLASS_P): New.
5931         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5932         TREE_CODE_LENGTH.
5933         (TREE_OPERAND_CHECK_CODE): Likewise.
5934         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5935         (TREE_RTL_OPERAND_CHECK): Likewise.
5936         (tree_operand_check_failed): Make second parameter the whole tree
5937         instead of its code.  Fixed callers.
5938         (VL_EXP_CHECK): New.
5939         (TREE_OPERAND_LENGTH): New.
5940         (VL_EXP_OPERAND_LENGTH): New.
5941         (CALL_EXPR_FN): New.
5942         (CALL_EXPR_STATIC_CHAIN): New.
5943         (CALL_EXPR_ARGS): New.
5944         (CALL_EXPR_ARG): New.
5945         (call_expr_nargs): New.
5946         (CALL_EXPR_ARGP): New.
5947         (build_nt_call_list): Declare.
5948         (build_vl_exp_stat): Declare.
5949         (build_vl_exp): New.
5950         (build_call_list): Declare.
5951         (build_call_nary): Declare.
5952         (build_call_valist): Declare.
5953         (build_call_array): Declare.
5954         (call_expr_arg): Declare.
5955         (call_expr_argp): Declare.
5956         (call_expr_arglist): Declare.
5957         (fold_build_call_list): Declare.
5958         (fold_build_call_list_initializer): Declare.
5959         (fold_call_expr): Declare to replace fold_builtin.
5960         (fold_builtin_fputs): Update to agree with modified definition.
5961         (fold_builtin_strcpy): Likewise.
5962         (fold_builtin_strncpy): Likewise.
5963         (fold_builtin_memory_chk): Likewise.
5964         (fold_builtin_stxcpy_chk): Likewise.
5965         (fold_builtin_strncpy_chk): Likewise.
5966         (fold_builtin_next_arg): Likewise.
5967         (fold_build_call_expr): Declare.
5968         (fold_builtin_call_list): Declare.
5969         (fold_builtin_call_valist): Declare.
5970         (build_call_expr): Declare.
5971         (validate_arglist): Update to agree with modified definition.
5972         (tree_operand_length): New.
5973         (call_expr_arg_iterator): New.
5974         (init_call_expr_arg_iterator): New.
5975         (next_call_expr_arg): New.
5976         (first_call_expr_arg): New.
5977         (more_call_expr_args_p): New.
5978         (FOR_EACH_CALL_EXPR_ARG): New.
5979
5980         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5981         and tcc_gimple_stmt.
5982         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5983         than sizeof (char *).
5984         (tree_size): Likewise.  Add case for tcc_vl_exp.
5985         (tree_node_structure): Add case for tcc_vl_exp.
5986         (contains_placeholder_p): Likewise.
5987         (substitute_in_expr): Likewise.
5988         (substitute_placeholder_in_expr): Likewise.
5989         (stabilize_reference_1): Likewise.
5990         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5991         to diagnose breakage of this interface for constructing CALL_EXPRs.
5992         (build_nt): Add similar assertion here.
5993         (build_nt_call_list): New.
5994         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5995         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5996         TREE_CODE_LENGTH.
5997         (get_callee_fndecl): Use new CALL_EXPR accessors.
5998         (tree_operand_check_failed): Change parameters to pass entire node
5999         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6000         (process_call_operands): New.
6001         (build_vl_exp_stat): New.
6002         (build_call_list): New.
6003         (build_call_nary): New.
6004         (build_call_valist): New.
6005         (build_call_array): New.
6006         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6007         (call_expr_arglist): New.
6008
6009         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6010         tcc_vl_exp instead of a fixed-size tcc_expression.
6011
6012         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6013         accessors for CALL_EXPRs.
6014         (AGGR_INIT_EXPR): Likewise.
6015
6016 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6017             Brooks Moses  <brooks.moses@codesourcery.com>
6018             Lee Millward  <lee.millward@codesourcery.com>
6019
6020         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6021         (expand_builtin_nonlocal_goto): Change parameter to be entire
6022         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6023         (expand_builtin_prefetch): Likewise.
6024         (expand_builtin_classify_type): Likewise.
6025         (mathfn_built_in): Return NULL_TREE instead of 0.
6026         (expand_errno_check): Use new CALL_EXPR accessors.
6027         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6028         Return NULL_RTX instead of 0.
6029         (expand_builtin_mathfn_2): Likewise.
6030         (expand_builtin_mathfn_3): Likewise.
6031         (expand_builtin_interclass_mathfn): Likewise.
6032         (expand_builtin_sincos): Likewise.
6033         (expand_builtin_cexpi): Likewise.
6034         (expand_builtin_int_roundingfn): Likewise.
6035         (expand_builtin_int_roundingfn_2): Likewise.
6036         (expand_builtin_pow): Likewise.
6037         (expand_builtin_powi): Likewise.
6038         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6039         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6040         accessors and constructors.  Return NULL_RTX instead of 0.
6041         (expand_builtin_strstr): Likewise.
6042         (expand_builtin_strchr): Likewise.
6043         (expand_builtin_strrchr): Likewise.
6044         (expand_builtin_strpbrk): Likewise.
6045         (expand_builtin_memcpy): Likewise.
6046         (expand_builtin_mempcpy): Likewise.
6047         (expand_builtin_mempcpy_args): New.
6048         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6049         (expand_builtin_memmove_args): New.
6050         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6051         (expand_movstr): Likewise.
6052         (expand_builtin_strcpy): Likewise.
6053         (expand_builtin_strcpy_args): New.
6054         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6055         (expand_builtin_strncpy): Likewise.
6056         (expand_builtin_memset): Likewise.
6057         (expand_builtin_memset_args): New.
6058         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6059         (expand_builtin_memcmp): Likewise.
6060         (expand_builtin_strcmp): Likewise.
6061         (expand_builtin_strncmp): Likewise.
6062         (expand_builtin_strcat): Likewise.
6063         (expand_builtin_strncat): Likewise.
6064         (expand_builtin_strspn): Likewise.
6065         (expand_builtin_strcspn): Likewise.
6066         (expand_builtin_args_info): Likewise.
6067         (expand_builtin_va_start): Likewise.
6068         (gimplify_va_arg_expr): Likewise.
6069         (expand_builtin_va_end): Likewise.
6070         (expand_builtin_va_copy): Likewise.
6071         (expand_builtin_frame_address): Likewise.
6072         (expand_builtin_alloca): Likewise.
6073         (expand_builtin_bswap): Likewise.
6074         (expand_builtin_unop): Likewise.
6075         (expand_builtin_fputs): Likewise.
6076         (expand_builtin_expect): Likewise.
6077         (expand_builtin_fabs): Likewise.
6078         (expand_builtin_copysign): Likewise.
6079         (expand_builtin_printf): Likewise.
6080         (expand_builtin_fprintf): Likewise.
6081         (expand_builtin_sprintf): Likewise.
6082         (expand_builtin_init_trampoline): Likewise.
6083         (expand_builtin_signbit): Likewise.
6084         (expand_builtin_fork_or_exec): Likewise.
6085         (expand_builtin_sync_operation): Likewise.
6086         (expand_builtin_compare_and_swap): Likewise.
6087         (expand_builtin_lock_test_and_set): Likewise.
6088         (expand_builtin_lock_release): Likewise.
6089         (expand_builtin): Likewise.
6090         (builtin_mathfn_code): Likewise.
6091
6092         (fold_builtin_constant_p): Pass call arguments individually instead
6093         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6094         accessors and constructors.  Return NULL_TREE instead of 0.
6095         (fold_builtin_expect): Likewise.
6096         (fold_builtin_classify_type): Likewise.
6097         (fold_builtin_strlen): Likewise.
6098         (fold_builtin_nan): Likewise.
6099         (integer_valued_real_p): Likewise.
6100         (fold_trunc_transparent_mathfn): Likewise.
6101         (fold_fixed_mathfn): Likewise.
6102         (fold_builtin_cabs): Likewise.
6103         (fold_builtin_sqrt): Likewise.
6104         (fold_builtin_cbrt): Likewise.
6105         (fold_builtin_cos): Likewise.
6106         (fold_builtin_cosh): Likewise.
6107         (fold_builtin_tan): Likewise.
6108         (fold_builtin_sincos): Likewise.
6109         (fold_builtin_cexp): Likewise.
6110         (fold_builtin_trunc): Likewise.
6111         (fold_builtin_floor): Likewise.
6112         (fold_builtin_ceil): Likewise.
6113         (fold_builtin_round): Likewise.
6114         (fold_builtin_int_roundingfn): Likewise.
6115         (fold_builtin_bitop): Likewise.
6116         (fold_builtin_bswap): Likewise.
6117         (fold_builtin_logarithm): Likewise.
6118         (fold_builtin_hypot): Likewise.
6119         (fold_builtin_pow): Likewise.
6120         (fold_builtin_powi): Likewise.
6121         (fold_builtin_exponent): Likewise.
6122         (fold_builtin_memset): Likewise.
6123         (fold_builtin_bzero): Likewise.
6124         (fold_builtin_memory_op): Likewise.
6125         (fold_builtin_bcopy): Deleted; call site changed to invoke
6126         fold_builtin_memory_op directly.
6127         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6128         (fold_builtin_strncpy): Likewise.
6129         (fold_builtin_memcmp): Likewise.
6130         (fold_builtin_strcmp): Likewise.
6131         (fold_builtin_strncmp): Likewise.
6132         (fold_builtin_signbit): Likewise.
6133         (fold_builtin_copysign): Likewise.
6134         (fold_builtin_isascii): Likewise.
6135         (fold_builtin_toascii): Likewise.
6136         (fold_builtin_isdigit): Likewise.
6137         (fold_builtin_fabs): Likewise.
6138         (fold_builtin_abs): Likewise.
6139         (fold_builtin_fmin_fmax): Likewise.
6140         (fold_builtin_carg): Likewise.
6141         (fold_builtin_classify): Likewise.
6142         (fold_builtin_unordered_cmp): Likewise.
6143
6144         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6145         New functions split out from fold_builtin_1.
6146         (fold_builtin_n): New.
6147         (fold_builtin_varargs): New.
6148         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6149         instead.
6150         (fold_call_expr): New.
6151         (build_function_call_expr): Rewrite to use new helper function.
6152         (fold_builtin_call_list): New.
6153         (build_call_expr): New.
6154         (fold_builtin_call_valist): New.
6155         (rewrite_call_expr): New.
6156         (validate_arg): New.
6157         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6158         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6159         accessors.
6160
6161         (fold_builtin_strstr):  Pass call arguments individually instead
6162         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6163         accessors and constructors.  Return NULL_TREE instead of 0.
6164         (fold_builtin_strchr): Likewise.
6165         (fold_builtin_strrchr): Likewise.
6166         (fold_builtin_strpbrk): Likewise.
6167         (fold_builtin_strcat): Likewise.
6168         (fold_builtin_strncat): Likewise.
6169         (fold_builtin_strspn): Likewise.
6170         (fold_builtin_strcspn): Likewise.
6171         (fold_builtin_fputs): Likewise.
6172         (fold_builtin_next_arg): Likewise.
6173         (fold_builtin_sprintf): Likewise.
6174
6175         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6176         NULL_RTX instead of 0.
6177         (expand_builtin_memory_chk): Likewise.
6178         (maybe_emit_chk_warning): Likewise.
6179         (maybe_emit_sprintf_chk_warning): Likewise.
6180
6181         (fold_builtin_object_size): Pass call arguments individually instead
6182         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6183         accessors and constructors.  Return NULL_TREE instead of 0.
6184         (fold_builtin_memory_chk): Likewise.
6185         (fold_builtin_stxcpy_chk): Likewise.
6186         (fold_builtin_strncpy_chk): Likewise.
6187         (fold_builtin_strcat_chk): Likewise.
6188         (fold_builtin_strcat_chk): Likewise.
6189         (fold_builtin_strncat_chk): Likewise.
6190         (fold_builtin_sprintf_chk): Likewise.
6191         (fold_builtin_snprintf_chk): Likewise.
6192         (fold_builtin_printf): Likewise.
6193         (fold_builtin_vprintf): Likewise.
6194
6195         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6196         constructors.
6197         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6198         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6199         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6200         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6201         (fold_unary): Likewise.
6202         (fold_binary): Likewise.
6203         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6204         ternary expressions.
6205         (fold): Add logic for tcc_vl_exp.
6206         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6207         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6208         (fold_build3_stat): Add assertion to flag broken interface for
6209         constructing CALL_EXPRs.
6210         (fold_build_call_list): New.
6211         (fold_build_call_list_initializer): New.
6212         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6213         constructors.
6214         (fold_strip_sign_ops): Likewise.
6215
6216 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6217             Brooks Moses  <brooks.moses@codesourcery.com>
6218             Lee Millward  <lee.millward@codesourcery.com>
6219
6220         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6221         accessors and dump arguments explicitly.
6222
6223         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6224         TREE_CODE_LENGTH.
6225         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6226         explicitly.
6227         (print_call_name): Use new CALL_EXPR accessors.
6228
6229         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6230         CALL_EXPR arguments explicitly instead of as a list.  Use
6231         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6232
6233         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6234         (vrp_visit_stmt): Likewise.
6235
6236         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6237         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6238         TREE_CODE_LENGTH.
6239         (force_move_till_expr): Likewise.
6240
6241         * targhooks.c (default_external_stack_protect_fail): Use
6242         build_call_expr instead of build_function_call_expr.
6243         (default_hidden_stack_protect_fail): Likewise.
6244
6245         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6246         build the call.
6247
6248         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6249         and walk arguments explicitly.
6250
6251         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6252         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6253         (expand_simple_operations): Likewise.
6254         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6255
6256         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6257         of TREE_CODE_LENGTH.
6258         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6259
6260         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6261         instead of TREE_CODE_LENGTH.
6262
6263         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6264         (tree_ic_transform): Likewise.
6265         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6266         parameter instead of arglist.  Fix callers.
6267         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6268         (tree_stringops_transform): Likewise.
6269         (tree_indirect_call_to_profile): Likewise.
6270         (tree_stringops_values_to_profile): Likewise.
6271
6272         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6273         (eliminate_tail_call): Likewise.
6274
6275         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6276
6277         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6278         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6279         operands.
6280         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6281
6282         * omp-low.c (build_omp_barrier): Use build_call_expr.
6283         (lower_rec_input_clauses): Likewise.
6284         (lower_reduction_clauses): Likewise.
6285         (expand_parallel_call): Likewise.
6286         (maybe_catch_exception): Likewise.
6287         (expand_omp_for_generic): Likewise.
6288         (expand_omp_for_static_nochunk): Likewise.
6289         (expand_omp_sections): Likewise.
6290         (lower_omp_single_simple): Likewise.
6291         (lower_omp_single_copy): Likewise.
6292         (lower_omp_master): Likewise.
6293         (lower_omp_ordered): Likewise.
6294         (lower_omp_critical): Likewise.
6295
6296         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6297         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6298
6299         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6300         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6301         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6302
6303         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6304         and generalize to handle any number of operands.
6305         (chrec_contains_undetermined): Likewise.
6306         (tree_contains_chrecs): Likewise.
6307         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6308
6309         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6310
6311         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6312         fold_call_expr instead of fold_builtin.
6313         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6314         match declarations there.
6315         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6316         updates.
6317
6318         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6319         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6320
6321         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6322         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6323
6324         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6325         accessors.
6326
6327         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6328         (execute_cse_sincos): Use new CALL_EXPR accessors.
6329
6330         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6331
6332         * gimple-low.c (lower_function_body): Use build_call_expr.
6333         (lower_builtin_setjmp): Likewise.
6334
6335         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6336         (set_storage_via_libcall): Likewise.
6337         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6338         instead of TREE_CODE_LENGTH.
6339         (expand_expr_real_1): Use new CALL_EXPR accessors.
6340
6341         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6342         generalize to handle any number of operands.
6343         (TB_parent_eq): Likewise.
6344
6345         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6346         (strip_builtin_expect): Likewise.
6347
6348         * function.c (gimplify_parameters): Use build_call_expr.
6349
6350         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6351         instead of TREE_CODE_LENGTH.
6352
6353         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6354         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6355
6356         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6357         iterators.
6358
6359         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6360         (gimplify_decl_expr): Likewise.
6361         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6362         Use new CALL_EXPR iterators.
6363         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6364         (gimplify_modify_expr_to_memset): Likewise.
6365         (gimplify_variable_sized_compare): Likewise.
6366         (gimplify_omp_atomic_fetch_op): Likewise.
6367         (gimplify_omp_atomic_pipeline): Likewise.
6368         (gimplify_omp_atomic_mutex): Likewise.
6369         (gimplify_function_tree): Likewise.
6370
6371         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6372         (call_expr_flags): Likewise.
6373         (expand_call): Likewise.
6374
6375         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6376         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6377         accessors.
6378
6379         * coverage.c (create_coverage): Use build_call_expr.
6380
6381         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6382         (temp_call_expr_obstack): New.
6383         (pool_copy_list): Delete.
6384         (temp_copy_call_expr): New.
6385         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6386         CALL_EXPR accessors.  Get rid of special goo for copying argument
6387         lists and use temp_copy_call_expr instead.
6388         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6389         CALL_EXPR accessors.
6390         (create_expression_by_pieces): Likewise.  Use build_call_array
6391         to construct the result instead of fold_build3.
6392         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6393         dealing with argument lists.
6394         (init_pre): Remove references to expression_node_pool and
6395         list_node_pool.  Init temp_call_expr_obstack instead.
6396         (fini_pre): Remove references to expression_node_pool and
6397         list_node_pool.
6398
6399         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6400         and walk arguments explicitly instead of as a list.
6401
6402         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6403         (mx_register_decls): Likewise.
6404         (mudflap_register_call): Likewise.
6405         (mudflap_finish_file): Likewise.
6406
6407         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6408         (ipa_callsite_compute_param): Likewise.
6409
6410         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6411         accessors and constructor.
6412
6413         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6414         accessors and constructor.
6415         (convert_tramp_reference): Likewise.
6416         (convert_call_expr): Likewise.
6417         (finalize_nesting_tree_1): Likewise.
6418
6419         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6420         accessors.
6421
6422         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6423
6424         * tree-inline.c (initialize_inlined_parameters): Pass entire
6425         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6426         accessors.
6427         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6428         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6429
6430         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6431         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6432         (vectorizable_reduction): Likewise.
6433         (vectorizable_call): Use new CALL_EXPR iterators.
6434         (vectorizable_conversion): Use build_call_expr.
6435         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6436         (vect_gen_widened_results_half): Use build_call_expr.
6437         (vect_setup_realignment): Likewise.
6438         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6439
6440         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6441         (pass_through_call): Likewise.
6442         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6443         fold_builtin.
6444
6445         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6446         (tree_gen_pow2_profiler): Likewise.
6447         (tree_gen_one_value_profiler): Likewise.
6448         (tree_gen_ic_func_profiler): Likewise.
6449         (tree_gen_average_profiler): Likewise.
6450         (tree_gen_ior_profiler): Likewise.
6451
6452         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6453         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6454         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6455
6456         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6457         of TREE_CODE_LENGTH.
6458
6459         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6460         of TREE_CODE_LENGTH.
6461
6462         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6463         constructor.
6464         (convert_to_integer): Likewise.
6465
6466         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6467         accessors.
6468
6469 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6470             Brooks Moses  <brooks.moses@codesourcery.com>
6471             Lee Millward  <lee.millward@codesourcery.com>
6472
6473         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6474         accessors.
6475         * config/frv/frv.c (frv_expand_builtin): Likewise.
6476         * config/s390/s390.c (s390_expand_builtin): Likewise.
6477
6478         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6479         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6480
6481         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6482         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6483         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6484         (ix86_expand_store_builtin): Likewise.
6485         (ix86_expand_unop_builtin): Likewise.
6486         (ix86_expand_unop1_builtin): Likewise.
6487         (ix86_expand_sse_compare): Likewise.
6488         (ix86_expand_sse_comi): Likewise.
6489         (ix86_expand_vec_init_builtin): Likewise.
6490         (ix86_expand_vec_ext_builtin): Likewise.
6491         (ix86_expand_vec_set_builtin): Likewise.
6492         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6493
6494         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6495         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6496
6497         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6498         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6499         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6500
6501         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6502         build_call_expr.
6503         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6504         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6505         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6506         (altivec_expand_abs_builtin): Likewise.
6507         (rs6000_expand_binop_builtin): Likewise.
6508         (altivec_expand_predicate_builtin): Likewise.
6509         (altivec_expand_lv_builtin): Likewise.
6510         (spe_expand_stv_builtin): Likewise.
6511         (altivec_expand_stv_builtin): Likewise.
6512         (rs6000_expand_ternop_builtin): Likewise.
6513         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6514         (altivec_expand_st_builtin): Likewise.
6515         (altivec_expand_dst_builtin): Likewise.
6516         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6517         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6518         (altivec_expand_vec_set_builtin): Likewise.
6519         (altivec_expand_vec_ext_builtin): Likewise.
6520         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6521         (spe_expand_builtin): Likewise.
6522         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6523         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6524         (spe_expand_evsel_builtin): Likewise.
6525         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6526         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6527
6528         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6529         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6530         (arm_expand_unop_builtin): Likewise.
6531         (arm_expand_builtin): Use new CALL_EXPR accessors.
6532
6533         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6534         accessors.
6535
6536         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6537         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6538         (bfin_expand_unop_builtin): Likewise.
6539         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6540
6541 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6542             Brooks Moses  <brooks.moses@codesourcery.com>
6543             Lee Millward  <lee.millward@codesourcery.com>
6544
6545         * c-semantics.c (build_stmt): Add internal diagnostic check.
6546
6547         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6548         accessors.  Print arguments explicitly instead of as a list.
6549
6550         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6551
6552         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6553         (c_finish_omp_flish): Likewise.
6554
6555         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6556         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6557         instead of TREE_CODE_LENGTH.
6558         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6559         (c_warn_unused_result): Likewise.
6560
6561 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6562
6563         PR c/26494
6564         * doc/invoke.texi (Warning Options): Remove
6565         -Werror-implicit-function-declaration.
6566         (Wimplicit-function-declaration): Update description.
6567         * opts.c (common_handle_option): Move handling of -Werror=* to...
6568         (enable_warning_as_error): ...here.
6569         * opts.h (enable_warning_as_error): Declare.
6570         * c-decl.c (implicit_decl_warning): Unless
6571         -Wno-implicit-function-declaration is given, emit a pedwarn if
6572         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6573         * c.opt (Wimplicit-function-declaration): Replace
6574         mesg_implicit_function_declaration with
6575         warn_implicit_function_declaration.
6576         * c-opts.c (c_common_handle_option):
6577         -Werror-implicit-function-declaration is exactly equal as
6578         -Werror=implicit-function-declaration.
6579         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6580         warn_implicit_function_declaration.
6581         (c_common_post_options): -Wimplict-function-declaration is enabled
6582         by default by -std=c99, otherwise is disabled by default.
6583         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6584
6585 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6586
6587         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6588         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6589         former is ignored but not the latter.
6590
6591 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6592
6593         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6594         is made and the reference doesn't use the alias set of its type,
6595         do not create the temporary using that type.
6596
6597 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6598
6599         * jump.c: Remove prototypes for delete_computation and
6600         delete_prior_computation.
6601
6602 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6603
6604         * jump.c (get_label_after): Delete.
6605         (get_label_before, delete_computation, delete_jump,
6606         delete_prior_computation, follow_jumps): Move...
6607         * reorg.c (delete_computation, delete_prior_computation): ... here...
6608         (get_label_before, delete_jump): ... making these static ...
6609         (follow_jumps): ... and simplifying this since it only runs after
6610         reload.
6611         * rtl.h (get_label_after, get_label_before, delete_jump,
6612         follow_jumps): Delete prototypes.
6613
6614 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6615
6616         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6617
6618 2007-02-15  Nick Clifton  <nickc@redhat.com>
6619
6620         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6621         order to prevent it from being munged by the target.
6622
6623 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6624
6625         * config/i386/i386.md: Remove misleading comment.
6626
6627 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6628
6629         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6630         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6631         invalid patterns.
6632
6633 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6634
6635         * tree-sra.c (instantiate_missing_elements): Canonicalize
6636         bit-field types.
6637         (sra_build_assignment): New.
6638         (generate_copy_inout, generate_element_copy,
6639         generate_element_zero, generate_one_element_init): Use it.
6640
6641 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6642
6643         * tree-sra.c (instantiate_missing_elements): Canonicalize
6644         bit-field types.
6645         (sra_build_assignment): New.
6646         (generate_copy_inout, generate_element_copy,
6647         generate_element_zero, generate_one_element_init): Use it.
6648
6649 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6650
6651         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6652         limbo die nodes.
6653
6654 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
6655
6656         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6657         types as aggregates not scalars.
6658         * function.c (assign_stack_temp_for_type): Likewise.
6659
6660 2007-02-14  Roger Sayle  <roger@eyesopen.com>
6661             Zdenek Dvorak  <dvorakz@suse.cz>
6662
6663         * tree-dump.c (dump_switch_p_1): Require exact match of the option
6664         name.
6665
6666 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
6667
6668         * passes.c (next_pass_1): Clear the next field of the copied
6669         pass structure.
6670
6671 2007-02-14  Richard Henderson  <rth@redhat.com>
6672
6673         * tree-sra.c (early_sra): New.
6674         (decl_can_be_decomposed_p): Deny va_list if early_sra.
6675         (tree_sra_early, pass_sra_early): New.
6676         * tree-pass.h (pass_sra_early): Declare.
6677         * passes.c (init_optimization_passes): Use it.
6678
6679 2007-02-14  Richard Guenther  <rguenther@suse.de>
6680
6681         * flags.h (issue_strict_overflow_warning): Convert to a macro.
6682
6683 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
6684
6685          PR tree-optimization/30771
6686         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6687         also phi nodes.
6688         (vect_analyze_operations): Induction phis can now be marked as
6689         used_in_loop.
6690         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6691         Update documentation accordingly.
6692
6693 2007-02-14  Nick Clifton  <nickc@redhat.com>
6694
6695         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6696         most 3 arguments are supported.
6697         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6698
6699 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
6700
6701         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6702         Ensure dst->current is valid.
6703
6704 2007-02-13  Paul Brook  <paul@codesourcery.com>
6705
6706         * config.gcc: Add arm*-*-uclinux-*eabi.
6707         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6708         (SUBTARGET_EXTRA_LINK_SPEC): Define.
6709         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6710         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6711         (LINK_SPEC): Define.
6712         (LIB_SPEC): Define.
6713         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6714         register.
6715         * config/arm/uclinux-eabi.h: New file.
6716         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6717         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6718         based targets.
6719
6720 2007-02-13  Ian Lance Taylor  <iant@google.com>
6721
6722         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6723         * flags.h (warn_strict_overflow): Declare.
6724         (enum warn_strict_overflow_code): Define.
6725         (issue_strict_overflow_warning): New static inline function.
6726         * opts.c (warn_strict_overflow): New variable.
6727         (common_handle_option): Handle OPT_Wstrict_overflow and
6728         OPT_Wstrict_overflow_.
6729         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6730         OPT_Wall.
6731         * fold-const.c: Include intl.h.
6732         (fold_deferring_overflow_warnings): New static variable.
6733         (fold_deferred_overflow_warning): New static variable.
6734         (fold_deferred_overflow_code): New static variable.
6735         (fold_defer_overflow_warnings): New function.
6736         (fold_undefer_overflow_warnings): New function.
6737         (fold_undefer_and_ignore_overflow_warnings): New function.
6738         (fold_deferring_overflow_warnings_p): New function.
6739         (fold_overflow_warning): New static function.
6740         (make_range): Add strict_overflow_p parameter.  Change all
6741         callers.
6742         (extract_muldiv, extract_muldiv_1): Likewise.
6743         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6744         tree_expr_nonnegative_p.
6745         (fold_negate_expr): Call fold_overflow_warning.
6746         (fold_range_test): Likewise.
6747         (fold_comparison): Likewise.
6748         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
6749         instead of tree_expr_nonnegative_p.
6750         (tree_expr_nonnegative_warnv_p): Rename from
6751         tree_expr_nonnegative_p, add strict_overflow_p parameter.
6752         (tree_expr_nonnegative_p): New function.
6753         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6754         strict_overflow_p parameter.
6755         (tree_expr_nonzero_p): New function.
6756         * passes.c (verify_interpass_invariants): New static function.
6757         (execute_one_pass): Call it.
6758         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6759         warnings.
6760         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6761         (estimate_numbers_of_iterations): Likewise.
6762         (scev_probably_wraps_p): Likewise.
6763         * tree-ssa-ccp.c: Include "toplev.h".
6764         (evaluate_stmt): Defer fold overflow warnings until we know we are
6765         going to optimize.
6766         (struct fold_stmt_r_data): Add stmt field.
6767         (fold_stmt_r): Defer fold overflow warnings until we know we
6768         optimized.
6769         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6770         (fold_stmt_inplace): Likewise.
6771         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6772         (cleanup_control_expr_graph): Defer fold overflow warnings until
6773         we know we are going to optimize.
6774         * tree-cfg.c (fold_cond_expr_cond): Likewise.
6775         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6776         Likewise.
6777         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6778         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6779         * tree-ssa-loop-manip.c (create_iv): Likewise.
6780         * c-typeck.c (build_conditional_expr): Likewise.
6781         (build_binary_op): Likewise.
6782         * tree-vrp.c (vrp_expr_computes_nonzero): Call
6783         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6784         (extract_range_from_unary_expr): Likewise.
6785         * simplify-rtx.c (simplify_const_relational_operation): Warn when
6786         assuming that signed overflow does not occur.
6787         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6788         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6789         (fold_defer_overflow_warnings): Declare.
6790         (fold_undefer_overflow_warnings): Declare.
6791         (fold_undefer_and_ignore_overflow_warnings): Declare.
6792         (fold_deferring_overflow_warnings_p): Declare.
6793         (tree_expr_nonzero_warnv_p): Declare.
6794         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6795         of warning options.
6796         (Warning Options): Document -Wstrict-overflow.
6797         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6798         (tree-ssa-ccp.o): Likewise.
6799         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6800         (fold-const.o): Depend on intl.h.
6801
6802 2007-02-13  Ian Lance Taylor  <iant@google.com>
6803
6804         PR middle-end/30751
6805         * lower-subreg.c (resolve_simple_move): Decompose subregs in
6806         addresses.
6807
6808 2007-02-13  Stuart Hastings  <stuart@apple.com>
6809
6810         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6811
6812 2007-02-13  Richard Henderson  <rth@redhat.com>
6813
6814         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6815         handled_component_p before looking for the indirect_ref.
6816
6817 2007-02-13  Richard Henderson  <rth@redhat.com>
6818
6819         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6820         remove flags clobber.
6821         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6822         (bswaphi_lowpart): New.
6823         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6824         remove TARGET_BSWAP test.  Delete expander of the same name.
6825
6826         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6827         (expand_unop): Use them.
6828
6829 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
6830
6831         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6832         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6833         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6834         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6835         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6836         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6837         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6838         assembler dialect choice from asm templates.
6839
6840 2007-02-12  Richard Henderson  <rth@redhat.com>
6841
6842         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6843         (fixuns_trunc<SSEMODEF>si2): Use it.
6844         * config/i386/sse.md (vec_setv4sf_0): Export.
6845         * config/i386/i386.c (ix86_build_const_vector): Export.
6846         (ix86_split_convert_uns_si_sse): Rename from
6847         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6848         * config/i386/i386-protos.h: Update.
6849
6850 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6851
6852         PR c/29521
6853         * c-typeck.c (c_finish_return): Improve warning message.
6854
6855 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6856
6857         * alias.c (find_symbolic_term): Delete unused function.
6858
6859 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6860
6861         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6862         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6863         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6864
6865 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6866
6867         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6868         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6869         the function, temporarily point the debug interface to the null one.
6870
6871 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6872
6873         * dwarf2out.c (round_up_to_align): New static function.
6874         (field_byte_offset): Use it to round the offset.
6875
6876 2007-02-12  Richard Henderson  <rth@redhat.com>
6877
6878         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6879         (inswl_const): Export.
6880
6881 2007-02-12  Richard Henderson  <rth@redhat.com>
6882
6883         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6884         result mode of the libcall, convert back to outmode.
6885
6886 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6887
6888         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6889         (bswapdi2): New define_expand to implement 32-bit implementation.
6890
6891 2007-02-12  Nick Clifton  <nickc@redhat.com>
6892
6893         * doc/invoke.texi (Overall Options): Document --help=.
6894         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6895         (cc1_options): Pass --help= on to cc1.
6896         (display_help): Add description of --help=.
6897         (process_command): Add code to handle --help=.  Allow translated
6898         --help and --target-help switches to be passed on to compiler
6899         sub-process.
6900         (main): Remove unused if statement.
6901         * opts.c (columns): Remove.
6902         (LEFT_COLUMN): Define.
6903         (wrap_help): Add columns argument.
6904         (print_filtered_help): Change parameters to be an include bitmask,
6905         an exclude bitmask, an any bitmask and the column width.  Move the
6906         code to display the params list here.  Add code to display the
6907         status of options rather than their descriptions if the quiet flag
6908         is not active.
6909         (print_specific_help): Change parameters to be an include bitmask,
6910         an exclude bitmask and an any bitmask.  Move code to look up the
6911         column width here.  Decide upon the title for an options listing.
6912         (common_handle_options): Add code to handle --help=.  Adapt code
6913         for --help and --target-help to use the revised form of the
6914         print_specific_help function.
6915         (print_help): Delete.
6916         (print_param_help): Delete.
6917         (print_switch): Delete.
6918         * opts.h (cl_lang_count): Add prototype.
6919         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6920         CL_MAX_OPTION_CLASS): New defines.
6921         * optc-gen.awk: Add construction of cl_lang_count.
6922         * c.opt: Add Warning attribute to warning options and Optimization
6923         attribute to optimization options.
6924         * common.opt: Likewise.
6925         Add --help=.
6926         Add -fhelp and -ftarget-help as aliases for the transformed --help
6927         and --target-help options.
6928         * opt-functions.awk: Add code to handle Warning and Optimization
6929         attributes.
6930
6931 2007-02-12  Richard Henderson  <rth@redhat.com>
6932
6933         * config/alpha/constraints.md: New file.
6934         * config/alpha/alpha.c: Include tm-constrs.h.
6935         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6936         alpha_extra_constraint): Remove.
6937         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6938         * config/alpha/alpha-protos.h: Update.
6939         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6940         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6941         (EXTRA_CONSTRAINT): Remove.
6942         * config/alpha/alpha.md: Include constraints.md.
6943         (adddi splitter): Use satisfies_constraint_*.
6944         * config/alpha/predicates.md (add_operand): Likewise.
6945         (sext_add_operand, addition_operation): Likewise.
6946
6947 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6948
6949         PR tree-optimization/29145
6950         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6951         in our handling of restrict qualified pointers.
6952
6953 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6954
6955         PR middle-end/7651
6956         * doc/invoke.texi (Wunused-value): Update description.
6957         (Wextra): Delete item.
6958         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6959         value of Wunused-value.
6960         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6961         (c_finish_stmt_expr): Don't check extra_warnings.
6962         (emit_side_effect_warnings): The caller is responsible to check
6963         warn_unused_value.
6964
6965 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6966             Matt Thomas  <matt@3am-software.com>
6967
6968         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6969
6970 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6971
6972         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6973         comparisons of POPCOUNT against zero.
6974         (simplify_const_relational_operation): Likewise.
6975
6976 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6977
6978         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6979
6980 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6981
6982         * dwarf2out.c (root_type): Delete unused function.
6983
6984 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6985
6986         * genattrtab.c (contained_in_p): Delete unused function.
6987         (write_expr_attr_cache): Likewise.
6988
6989 2007-02-11  Jan Hubicka  <jh@suse.cz>
6990
6991         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6992         previous patch.
6993
6994 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6995
6996         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6997         to add the REG_EQ* note.
6998         * see.c (see_merge_one_use_extension): Likewise.
6999         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7000         turn REG_EQUAL notes into REG_EQUIV notes if the target
7001         register may have more than one set.
7002         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7003         * gcse.c (try_replace_reg): Likewise.
7004         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7005         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7006         more than one REG_EQUIV note.
7007         * reload1.c (gen_reload): Use set_unique_reg_note.
7008
7009 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7010
7011         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7012         (ix86_builtin_conversion): New function.
7013
7014 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7015
7016         PR target/29487
7017         * tree.h (DECL_REPLACEABLE_P): New macro.
7018         * except.c (set_nothrow_function_flags): Likewise.
7019
7020 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7021             Ira Rosen  <irar@il.ibm.com>
7022             Dorit Nuzman  <dorit@il.ibm.com>
7023
7024         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7025         * targhooks.c (default_builtin_vectorized_conversion): New.
7026         * targhooks.h (default_builtin_vectorized_function): New declaration.
7027         * target.h (struct vectorize): Add builtin_conversion field.
7028         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7029         stmt_vec_info_type value.
7030         (vectorizable_conversion): New declaration.
7031         * tree-vect-analyze.c (vect_analyze_operations): Add
7032         vectorizable_conversion call.
7033         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7034         * tree-vect-transform.c (vectorizable_conversion): New function.
7035         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7036         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7037         mode.
7038         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7039         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7040         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7041         or ALTIVEC_BUILTIN_VCFSX.
7042
7043 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7044
7045         PR target/30634
7046         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7047         CONST_DOUBLE and operand 0 is a hard register.
7048         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7049         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7050         is a hard floating-point register.
7051
7052 2007-02-10  Richard Henderson  <rth@redhat.com>
7053             Jakub Jelinek  <jakub@redhat.com>
7054             Alexandre Oliva  <aoliva@redhat.com>
7055
7056         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7057         * builtin-types.def (BT_WORD): Make unsigned.
7058         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7059         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7060         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7061         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7062         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7063         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7064         emulated tls.
7065         * expr.c (emutls_var_address): New.
7066         (expand_expr_real_1): Expand emulated tls.
7067         (expand_expr_addr_expr_1): Likewise.
7068         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7069         * output.h (emutls_finish): Declare.
7070         * toplev.c (compile_file): Call it.
7071         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7072         address before wrapping in CONST.
7073         * varasm.c (emutls_htab, emutls_object_type): New.
7074         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7075         (get_emutls_object_name, get_emutls_object_type): New.
7076         (get_emutls_init_templ_addr, emutls_decl): New.
7077         (emutls_common_1, emutls_finish): New.
7078         (assemble_variable): When emulating tls, swap decls; generate
7079         constructor for the emutls objects.
7080         (do_assemble_alias): When emulating tls, swap decl and target name.
7081         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7082         for emulated tls.
7083         * varpool.c (decide_is_variable_needed): Look at force_output.
7084         Recurse for emulated tls.
7085         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7086         with decide_is_variable_needed.
7087         * emutls.c: New file.
7088         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7089         tls_object for real tls.
7090
7091 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7092
7093         PR rtl-optimization/29599
7094         * reload1.c (eliminate_regs_in_insn): Take the destination
7095         mode into account when computing the offset.
7096
7097 2007-02-09  Stuart Hastings  <stuart@apple.com>
7098             Richard Henderson  <rth@redhat.com>
7099
7100         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7101         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7102         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7103         fixuns_truncdfhi2): New.
7104         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7105         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7106         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7107         (floatunssidf2): Allow nonimmediate source.
7108         * config/i386/sse.md (movdi_to_sse): New.
7109         (vec_concatv2di): Drop '*'.
7110         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7111         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7112         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7113         New.
7114         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7115         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7116         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7117         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7118         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7119         ix86_build_const_vector.
7120         (x86_emit_floatuns): Rewrite.
7121
7122 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7123
7124         * genautomata.c (longest_path_length): Delete unused function.
7125         (struct state): Delete unused longest_path_length.
7126         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7127         (get_free_state): Delete unused.
7128
7129 2007-02-09  Jan Hubicka  <jh@suse.cz>
7130
7131         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7132         * doc/invoke.texi (inline-unit-growth): Update default value.
7133
7134         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7135         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7136         (rebuild_cgraph_edges): Likewise.
7137         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7138         (dump_cgraph_node): Dump frequencies.
7139         (cgraph_clone_edge): Add frequency scales.
7140         (cgraph_clone_node): Add freuqnecy.
7141         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7142         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7143         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7144         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7145         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7146         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7147         (save_inline_function_body): Likewise.
7148         * ipa-inline.c: inluce rtl.h
7149         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7150         (cgraph_edge_badness): Use frequencies.
7151         (cgraph_decide_recursive_inlining): Update clonning.
7152         (cgraph_decide_inlining_of_small_function): Dump frequency.
7153         * predict.c (estimate_bb_frequencies): Export.
7154         * predict.h (estimate_bb_frequencies): Declare.
7155         * tree-inline.c (copy_bb): Watch overflows.
7156         (expand_call_inline): Update call of cgraph_create_edge.
7157         (optimize_inline_calls): Use TODO flags to update frequnecies.
7158         * passes.h: Include predict.h
7159         (init_optimization_passes): Move profile ahead.
7160         (execute_function_todo): Handle TODO_rebuild_frequencies.
7161
7162 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7163
7164         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7165         the insbl or inswl pattern into a register.
7166
7167 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7168
7169         * config/ia64/ia64.md (bswapdi2): New define_insn.
7170
7171 2007-02-09  Richard Henderson  <rth@redhat.com>
7172
7173         * config/i386/constraints.md (Ym): New constraint.
7174         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7175         (movdi_1_rex64): Split sse and xmm general register moves from
7176         memory move alternatives.  Use conditional register constraints.
7177         (movsf_1, movdf_integer): Likewise.
7178         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7179         (movdf_integer_rex64): New.
7180         (pushsf_rex64): Fix output constraints.
7181         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7182         (sse2_stored): Likewise.
7183         (sse2_storeq_rex64): New.
7184         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7185         amd and not generic.
7186         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7187         for optimize_size.  Remove SF/DFmode hack.
7188
7189 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7190
7191         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7192         (bit_SSE4a): New.
7193
7194 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7195             Richard Sandiford  <richard@codesourcery.com>
7196
7197         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7198         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7199         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7200         m68k/t-mlib to tmake_file.
7201         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7202         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7203         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7204         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7205         variable is not empty, add t-$m68k_arch_family to tmake_file.
7206         Add t-mlibs to tmake_file.
7207         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7208         * config/m68k/t-cf: New file.
7209         * config/m68k/t-m68k: Likewise.
7210         * config/m68k/t-mlibs: Likewise.
7211         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7212         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7213         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7214         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7215         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7216         Delete.
7217         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7218         (INSTALL_LIBGCC): Delete.
7219         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7220         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7221         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7222         (M68K_MLIB_CPU): Define.
7223         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7224         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7225         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7226
7227 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7228             Richard Guenther  <rguenther@suse.de>
7229
7230         PR middle-end/23361
7231         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7232         against INT_MIN/INT_MAX.
7233         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7234         file if a loop is removed.
7235
7236 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7237
7238         * calls.c (store_one_arg): Pass correct alignment to
7239         emit_push_insn for non-BLKmode values.
7240         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7241         unaligned stack slot via a suitably aligned slot.
7242
7243 2007-02-08  DJ Delorie  <dj@redhat.com>
7244
7245         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7246         warnings.
7247         (legal_subregs): Use unsigned char, make const.
7248         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7249
7250 2007-02-08  Paul Brook  <paul@codesourcery.com>
7251
7252         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7253         special interworking needed.
7254
7255 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7256
7257         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7258         conditional to __SSE2__.
7259         (Entries below should have been added to first ChangeLog
7260         entry for amdfam10 dated 2007-02-05)
7261         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7262         defined.
7263         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7264         defined.
7265         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7266         defined.
7267
7268 2007-02-08  DJ Delorie  <dj@redhat.com>
7269
7270         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7271         * config/m32c/m32c.c (legal_subregs): New.
7272         (m32c_illegal_subreg_p): New.
7273         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7274         unsupported subregs of hard regs.
7275
7276 2007-02-08  Jan Hubicka  <jh@suse.cz>
7277
7278         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7279         the same one; always update histograms.
7280
7281 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7282
7283         * passes.c (init_optimization_passes): Tidy comment.
7284
7285 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7286
7287         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7288         strip zero_extend, bswap and rotates from POCOUNT's argument.
7289         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7290         zero_extend and rotates from PARITY's argument.
7291         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7292         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7293         of an integer constant at compile-time.
7294
7295 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7296
7297         PR 30562
7298         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7299         Update all users.
7300         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7301         users.
7302         (init_alias_info):
7303         * tree-ssa-live.c (remove_unused_locals): Do not remove
7304         TREE_ADDRESSABLE variables.
7305         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7306         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7307         FOR_CLOBBER.  Update all users.
7308         If VAR has an associated alias set, add a virtual operand for
7309         it if no alias is found to conflict with the memory reference.
7310
7311 2007-02-07  Jan Hubicka  <jh@suse.cz>
7312             Robert Kidd <rkidd@crhc.uiuc.edu>
7313
7314         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7315
7316 2007-02-07  Ian Lance Taylor  <iant@google.com>
7317
7318         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7319
7320 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7321
7322         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7323         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7324         tablejumpdi, movsi_to_cr_one): Remove constraints from
7325         define_expand's match_operands.
7326
7327 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7328
7329         * global.c (compute_regsets): Move declatation of "i" inside of
7330         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7331
7332 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7333
7334         PR c++/30703
7335         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7336         of INDIRECT_REF <RESULT_DECL>.
7337
7338         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7339
7340 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7341             Kaz Kojima  <kkojima@gcc.gnu.org>
7342
7343         PR target/29746
7344         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7345         properly.
7346         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7347
7348 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7349
7350         * doc/loop.texi: Document possibility not to perform disambiguation
7351         of loops with multiple latches.
7352         * cfgloopmanip.c (alp_enum_p): Removed.
7353         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7354         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7355         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7356         the new forwarder block.
7357         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7358         Handle the case latch is NULL.
7359         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7360         when marking loop exits.
7361         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7362         be modified.
7363         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7364         disambiguate_loops_with_multiple_latches.
7365         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7366         before fix_loop_structure.
7367         * cfgloop.c: Include pointer-set.h and output.h.
7368         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7369         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7370         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7371         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7372         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7373         disambiguate_multiple_latches, get_loop_body_with_size,
7374         disambiguate_loops_with_multiple_latches): New functions.
7375         (flow_loop_dump): Dump multiple latch edges.
7376         (flow_loop_nodes_find): Handle loops with multiple latches.
7377         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7378         (glb_enum_p): Modified.
7379         (get_loop_body): Use get_loop_body_with_size.
7380         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7381         (AVOID_CFG_MODIFICATIONS): New constant.
7382         (disambiguate_loops_with_multiple_latches, add_loop,
7383         get_loop_body_with_size): Declare.
7384         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7385
7386 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7387
7388         PR inline-asm/28686
7389         * global.c (compute_regsets): New function.
7390         (global_alloc): Refactored ELIMINABLE_REGSET
7391         and NO_GLOBAL_ALLOC_REGS computation out.
7392         (rest_of_handle_global_alloc): Call compute_regsets()
7393         for non-optimizing case.
7394
7395 2007-02-06  Richard Henderson  <rth@redhat.com>
7396
7397         * config/i386/constraints.md (Y2): Rename from Y.
7398         (Yi): New constraint.
7399         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7400         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7401         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7402         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7403         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7404         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7405         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7406         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7407         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7408         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7409         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7410         vec_extractv2si_1): Change Y constraints to Y2.
7411         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7412         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7413         Change Y constraints to Y2.
7414         (sse2_loadld): Change Y constraints to x.
7415
7416 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7417
7418         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7419         (parity<mode>2): New define_expand using rs6000_emit_parity.
7420         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7421         rs6000_emit_parity): New functions.
7422         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7423         rs6000_emit_parity): Prototype here.
7424
7425 2007-02-06  Ian Lance Taylor  <iant@google.com>
7426
7427         * lower-subreg.c (simple_move_operand): Reject CONST.
7428         (resolve_clobber): Call validate_change rather than directly
7429         assigning to XEXP (pat, 0).
7430
7431 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7432
7433         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7434         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7435         (tree-cfg.o): Remove hashtab.h dependency.
7436
7437         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7438         (struct ivopts_data): Change niters to pointer_map_t.
7439         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7440         (niter_for_exit): Create pointer_map on demand.  Change for
7441         pointer_map API.
7442         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7443         (free_loop_data): Destroy data->niters if created and reset field.
7444         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7445         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7446
7447         * tree-ssa-reassoc.c: Include pointer-set.h.
7448         (bb_rank): Change to long *.
7449         (operand_rank): Change to pointer_map_t.
7450         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7451         (insert_operand_rank): Accept long.
7452         (operand_entry_hash, operand_entry_eq): Remove.
7453         (get_rank): Return long.  Adjust for changes above.
7454         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7455         and operand_rank.
7456         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7457
7458         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7459         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7460         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7461         is not NULL.
7462         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7463         directly since it cannot be NULL.
7464         (get_vi_for_tree): Rewrite for pointer_map API.
7465         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7466         (init_alias_vars): Create vi_for_tree as pointer_map.
7467         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7468
7469         * tree-cfg.c: Don't include hashtab.h.
7470         (edge_to_cases): Declare as pointer_map.
7471         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7472         Delete.
7473         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7474         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7475         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7476         destroying it.
7477         (record_switch_edge): Delete.
7478         (get_cases_for_edge): Adjust for pointer_map API, inline
7479         record_switch_edge (rewritten for new API), remove goto.
7480
7481 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7482
7483         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7484         * tree-nested.c: Include pointer-set.h.
7485         (var_map_elt, var_map_eq, var_map_hash): Delete.
7486         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7487         to pointer_map_t's.
7488         (nesting_info_bitmap_obstack): New.
7489         (lookup_field_for_decl): Adjust for pointer_map API.
7490         (lookup_tramp_for_decl): Adjust for pointer_map API.
7491         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7492         (get_local_debug_decl): Adjust for pointer_map API.
7493         (convert_nl_goto_reference): Adjust for pointer_map API.
7494         (convert_nl_goto_receiver): Adjust for pointer_map API.
7495         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7496         the new obstack.  Create field_map and var_map as pointer_maps.
7497         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7498         (root): Delete.
7499         (lower_nested_functions): Move root here, no need to NULL it.
7500         Initialize and release the obstack.
7501
7502 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7503
7504         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7505         Remove prototypes and make them non-static.
7506         (struct tree_int_map): Remove.
7507         * tree.h (struct tree_int_map): Move here, turning TO into an
7508         unsigned int.
7509         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7510
7511         * tree.h (TREE_COMPLEXITY): Remove.
7512         (struct tree_exp): Remove complexity field.
7513         * tree.c (build1_stat): Don't set it.
7514
7515 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7516             Victor Kaplansky  <victork@il.ibm.com>
7517
7518         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7519         (vect_is_simple_reduction): Support reduction with induction as
7520         one of the operands.
7521         (vect_is_simple_iv_evolution): Fix formatting.
7522         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7523         formatting.  Don't mark induction phis for vectorization.
7524         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7525         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7526         (vect_get_vec_def_for_operand): Support induction.
7527         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7528         induction case.
7529         (vectorizable_reduction): Support reduction with induction as one of
7530         the operands.
7531         (vectorizable_type_demotion): Use def-type of stmt argument rather
7532         than dummy def-type.
7533
7534         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7535         flag_tree_scev_cprop.
7536         * common.opt (tree-scev-cprop): New flag.
7537
7538         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7539         call to vect_get_new_vect_var.
7540
7541 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7542
7543         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7544         vectype is not NULL.
7545         (vect_pattern_recog_1): Likewise.
7546
7547 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7548
7549         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7550         (fold_negate_expr): Likewise.
7551
7552 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7553
7554         PR debug/30189
7555         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7556         even if cv-qualification is the same.
7557
7558 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7559
7560         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7561         __enable_execute_stack on completion.
7562
7563 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7564
7565         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7566         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7567         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7568         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7569         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7570         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7571         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7572         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7573
7574 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7575
7576         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7577         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7578         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7579         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7580         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7581         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7582         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7583         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7584         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7585         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7586         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7587         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7588         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7589         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7590         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7591         sqrtextenddfxf2_i387): Added amdfam10_decode.
7592
7593         * config/i386/athlon.md (athlon_idirect_amdfam10,
7594         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7595         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7596         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7597         athlon_ivector_store_amdfam10): New define_insn_reservation.
7598         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7599         amdfam10.
7600
7601 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7602
7603         * config/i386/athlon.md (athlon_call_amdfam10,
7604         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7605         define_insn_reservation.
7606         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7607         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7608         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7609
7610 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7611
7612         * config/i386/athlon.md (athlon_sseld_amdfam10,
7613         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7614         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7615
7616 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7617
7618         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7619         define_insn_reservation.
7620         * config/i386/i386.md (sseins): Added sseins to define_attr type
7621         and define_attr unit.
7622         * config/i386/sse.md: Set type attribute to sseins for insertq
7623         and insertqi.
7624
7625 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7626
7627         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7628         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7629         ssecomi_load_amdfam10, ssecomi_amdfam10,
7630         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7631         define_insn_reservation.
7632         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7633
7634 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7635
7636         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7637         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7638         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7639         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7640         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7641         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7642         define_insn_reservation.
7643
7644         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7645         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7646         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7647         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7648         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7649
7650 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7651
7652         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7653         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7654         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7655         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7656         athlon_ssemul_load_k8): Added amdfam10.
7657
7658 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7659
7660         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7661         (x86_sse_unaligned_move_optimal): New variable.
7662
7663         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7664         m_AMDFAM10.
7665         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7666         for unaligned vector SSE double/single precision loads for AMDFAM10.
7667
7668 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7669
7670         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7671         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7672         Define TARGET_CPU_DEFAULT_amdfam10.
7673         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7674         (processor_type): Add PROCESSOR_AMDFAM10.
7675
7676         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7677         processor_type in config/i386/i386.h.
7678         Enable imul peepholes for TARGET_AMDFAM10.
7679
7680         * config.gcc: Add support for --with-cpu option for amdfam10.
7681
7682         * config/i386/i386.c (amdfam10_cost): New variable.
7683         (m_AMDFAM10): New macro.
7684         (m_ATHLON_K8_AMDFAM10): New macro.
7685         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7686         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7687         x86_promote_QImode, x86_integer_DFmode_moves,
7688         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7689         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7690         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7691         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7692         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7693         Enable/disable for amdfam10.
7694         (override_options): Add amdfam10_cost to processor_target_table.
7695         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7696         processor_alias_table.
7697         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7698         (ix86_adjust_cost): Add code for amdfam10.
7699
7700 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7701
7702         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7703         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7704         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7705         * config/i386/i386.h: Add builtin definition for SSE4A.
7706         * config/i386/i386.md: Add support for ABM instructions
7707         (popcnt and lzcnt).
7708         * config/i386/sse.md: Add support for SSE4A instructions
7709         (movntss, movntsd, extrq, insertq).
7710         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7711         Add -march=amdfam10 flag.
7712         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7713         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7714         and amdfam10.
7715         * doc/extend.texi: Add documentation for SSE4A builtins.
7716
7717 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
7718
7719         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7720
7721 2007-02-05  Richard Guenther  <rguenther@suse.de>
7722
7723         * tree-vectorizer.h (vectorizable_function): Add argument type
7724         argument, change return type.
7725         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7726         * tree-vect-transform.c (vectorizable_function): Handle extra
7727         argument, return vectorized function decl.
7728         (build_vectorized_function_call): Remove.
7729         (vectorizable_call): Handle calls with result and argument types
7730         differing.  Handle loop vectorization factor correctly.
7731         * targhooks.c (default_builtin_vectorized_function): Adjust for
7732         extra argument.
7733         * targhooks.h (default_builtin_vectorized_function): Likewise.
7734         * target.h (builtin_vectorized_function): Add argument type
7735         argument.
7736         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7737         extra argument, allow vectorizing of lrintf.
7738         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7739         documentation of target hook.
7740
7741 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
7742
7743         PR target/30665
7744         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7745         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7746         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7747
7748 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7749
7750         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7751         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7752         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7753         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7754         before canonicalizing sincos to cexpi.
7755         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7756
7757 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7758
7759         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7760         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7761         (alpha_init_builtins): Use alpha_add_builtins to process tables.
7762
7763 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7764
7765         * mips-tfile.c (initialize_init_file): Correct endianness test.
7766
7767 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
7768
7769         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7770         the 'y' constraint.
7771
7772 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7773
7774         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7775         saves in a PARALLEL before the register assignments.
7776
7777 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7778
7779         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7780         DWARF_FRAME_RETURN_COLUMN to be a general register.
7781         * dwarf2out.c (init_return_column_size): New function, split from...
7782         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
7783         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7784         to be nongeneral registers.
7785         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7786         integer registers.
7787         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7788         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7789
7790 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7791
7792         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7793
7794 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7795
7796         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7797         (remove_path): Use can_remove_branch_p and remove_branch instead
7798         of loop_delete_branch_edge.
7799         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7800         (tree_transform_and_unroll_loop): Remove dead branches immediately.
7801         Update profile using scale_dominated_blocks_in_loop.
7802         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7803         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7804         (can_remove_branch_p, remove_branch): Declare.
7805         * tree-cfg.c (tree_can_remove_branch_p): New function.
7806         (tree_cfg_hooks): Add tree_can_remove_branch_p.
7807         * cfgrtl.c (rtl_can_remove_branch_p): New function.
7808         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7809
7810 2007-02-05  Jan Hubicka  <jh@suse.cz>
7811
7812         PR middle-end/30696
7813         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7814         nodes in cgraph, don't remove offline copy of the function.
7815
7816 2007-02-04  Jan Hubicka  <jh@suse.cz>
7817
7818         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7819         vectors might cause maybe_lookup_element_for_expr to be called
7820         on non-sra-candidate.
7821
7822 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7823
7824         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7825         config/bfin/bfin.md, config/bfin/predicates.md: Follow
7826         spelling conventions.
7827
7828 2007-02-04  Richard Guenther  <rguenther@suse.de>
7829
7830         PR middle-end/30636
7831         * fold-const.c (try_move_mult_to_index): Make sure to not
7832         overflow one dimension of a multi-dimensional array access.
7833
7834 2007-02-04  Jan Hubicka  <jh@suse.cz>
7835
7836         * passes.c (init_optimization_passes): Reindent.
7837
7838 2007-02-04  Jan Hubicka  <jh@suse.cz>
7839             Eric Botcazou  <ebotcazou@adacore.com>
7840
7841         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7842         (execute_fixup_cfg): Break out the abnormal goto code.
7843         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7844         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7845         (optimize_inline_calls): Call make_nonlocal_label_edges.
7846
7847 2007-02-04  Jan Hubicka  <jh@suse.cz>
7848
7849         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7850         true when something was changed.
7851         (rename_ssa_copies): When something was changed, do
7852         TODO_remove_unused_locals.
7853         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7854         add TODO_remove_unused_locals when instruction was removed.
7855
7856 2007-02-04  Jan Hubicka  <jh@suse.cz>
7857
7858         * ipa-inline.c (try_inline): Improve debug output; work on already
7859         inline edges too.
7860         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7861         call try_inline for already inlined edges too when flattening;
7862         inline also functions that make callee growth but overall unit size
7863         reduce.
7864
7865 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7866
7867         * config/m32c/bitops.md, config/m32c/jump.md,
7868         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7869         config/m32r/m32r.h, config/m32r/m32r.md,
7870         config/m32r/predicates.md, config/m68hc11/larith.asm,
7871         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7872         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7873         config/mips/mips-protos.h, config/mips/mips.c,
7874         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7875         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7876         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7877         spelling conventions.
7878
7879         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7880         Follow spelling conventions.
7881
7882 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7883
7884         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7885         warn about C++0x compatibility.
7886
7887 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7888
7889         * config/h8300/h8300.c, config/h8300/h8300.h,
7890         config/h8300/h8300.md: Follow spelling conventions.
7891
7892 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7893
7894         PR middle-end/30667
7895         * combine.c (try_combine): Do not substitute source operand
7896         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7897
7898 2007-02-03  Jan Hubicka  <jh@suse.cz>
7899
7900         PR gcov-profile/30650
7901         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7902         do not divide by zero for never executed counters.
7903         (tree_find_values_to_profile): Fix counters.
7904         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7905
7906 2007-02-03  Ian Lance Taylor  <iant@google.com>
7907
7908         * lower-subreg.c (simple_move_operand): New static function,
7909         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7910         operands.
7911         (simple_move): Call simple_move_operand.
7912         (find_decomposable_subregs): Add special handling of MEMs.
7913         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7914         meaning of return value.  If we see a hard register, test whether
7915         it can store a word_mode value.  Change all callers.
7916
7917 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7918
7919         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7920         ftrapv insns and expanders.
7921         (subdi3): Change define_expand operand 1 to arith11_operand, and
7922         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7923         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7924         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7925         respectively.
7926
7927         PR middle-end/30174
7928         * varasm.c (notice_global_symbol): Treat global objects as weak when
7929         flag_shlib is true.
7930
7931 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7932
7933         * emit-rtl.c (dconstpi): Delete.
7934         (dconstsqrt2): New.
7935         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7936         * real.h (dconstpi): Delete.
7937         (dconstsqrt2): New.
7938         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7939         (fold_builtin_hypot): Likewise.
7940
7941 2007-02-03  Tom Tromey  <tromey@redhat.com>
7942
7943         PR driver/30246
7944         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7945         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7946
7947 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7948
7949         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7950         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7951         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7952         config/rs6000/cell.md, config/rs6000/darwin.h,
7953         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7954         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7955         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7956         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7957         typos.  Follow spelling conventions.
7958         * doc/invoke.texi: Follow spelling conventions.
7959
7960 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7961
7962         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7963         canonicalization transformations that attempt to simplify integer
7964         constant comparisons to become comparisons against zero.
7965
7966 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7967
7968         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7969         fabs(x)*sqrt(2).
7970         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7971         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7972
7973 2007-02-02  Mike Stump  <mrs@apple.com>
7974
7975         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7976         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7977         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7978         generate a branch island.
7979
7980 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7981
7982         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7983         (xtensa_legitimate_address_p): New.
7984         (xtensa_legitimize_address): New.
7985         (xtensa_output_addr_const_extra): New.
7986         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7987         (BASE_REG_P): New.
7988         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7989         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7990         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7991         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7992         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7993         (xtensa_legitimize_address): New.
7994         (xtensa_output_addr_const_extra): New.
7995
7996 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7997
7998         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7999
8000 2007-02-02  Ian Lance Taylor  <iant@google.com>
8001
8002         * expmed.c (expand_divmod): Add comment.
8003
8004 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8005
8006         * emit-rtl.c (renumber_insns): Remove.
8007         * flags.h: Remove the extern for flag_renumber_insns.
8008         * rtl.h: Remove the prototype for renumber_insns.
8009         * toplev.c (flag_renumber_insns): Remove.
8010
8011 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8012
8013         Revert for x86 darwin:
8014         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8015
8016         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8017         code before the following patch under TARGET_MACHO.
8018         (ix86_function_value_regno_p): Likewise.
8019
8020 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8021
8022         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8023         COMPLEX_EXPR.
8024
8025 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8026
8027         PR target/29682
8028         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8029         general or fp registers.  Add comments.
8030         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8031
8032 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8033
8034         * pointer-set.c (insert_aux): Only return insertion slot.
8035         (pointer_set_insert): Adjust.
8036         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8037         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8038         pointer_map_traverse): New.
8039         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8040         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8041         pointer_map_contains, pointer_map_traverse): Declare.
8042
8043 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8044
8045         PR middle-end/30473
8046         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8047         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8048
8049 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8050
8051         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8052
8053         (struct _dep): New type.
8054         (dep_t): New typedef.
8055         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8056         (DEP_STATUS): New access macro.  The macro with the same name was
8057         renamed to DEP_LINK_STATUS.
8058         (dep_init): Declare function
8059
8060         (struct _dep_link): New type.
8061         (dep_link_t): New typedef.
8062         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8063         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8064         (DEP_LINK_STATUS): New macro.
8065         (debug_dep_links): New debug function.
8066
8067         (struct _deps_list): New type.
8068         (deps_list_t): New typedef.
8069         (DEPS_LIST_FIRST): New access macro.
8070         (FOR_EACH_DEP_LINK): New cycle macro.
8071         (create_deps_list, free_deps_list, delete_deps_list): Declare
8072         functions.
8073         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8074         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8075         (copy_deps_list_change_con): Ditto.
8076
8077         (move_dep_link): Declare function.
8078
8079         (struct _dep_node): New type.
8080         (dep_node_t): New typedef.
8081         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8082
8083         (struct haifa_insn_data.back_deps): New field to hold backward
8084         dependencies of the insn.
8085         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8086         to deps_list_t.
8087         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8088         Change its type to deps_list_t.
8089         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8090         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8091         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8092
8093         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8094
8095         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8096
8097         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8098         all callers.
8099         (dep_cost): Declare.
8100
8101         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8102         (ds_to_dk, dk_to_ds): New functions.
8103
8104         (init_dep_1): New static function.
8105         (init_dep): New function.
8106         (copy_dep): New static function.
8107
8108         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8109         functions.
8110         (detach_dep_link): New static function.
8111         (move_dep_link): New function.
8112
8113         (dep_links_consistent_p, dump_dep_links): New static functions.
8114         (debug_dep_links): New debugging function.
8115
8116         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8117
8118         (alloc_deps_list, init_deps_list): New static functions.
8119         (create_deps_list): New function.
8120         (clear_deps_list): New static function.
8121         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8122         (deps_list_consistent_p, dump_deps_list): New static functions.
8123         (debug_deps_list): New function.
8124         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8125         functions.
8126         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8127
8128         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8129         use new scheduler dependencies lists.
8130         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8131         (sched_analyze): Ditto.  Initialize dependencies lists.
8132         (add_forw_dep, compute_forward_dependences): Update to use new
8133         scheduler dependencies lists.
8134
8135         (init_dependency_caches): Init deps_obstack.
8136         (free_dependency_caches): Free deps_obstack.
8137
8138         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8139         new scheduler dependencies lists.
8140         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8141         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8142
8143         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8144         Update to use new scheduler dependencies lists.
8145         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8146         (debug_dependencies): Ditto.
8147         (schedule_region): Update comments.
8148
8149         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8150         scheduler dependencies lists.
8151         (schedule_ebb): Update comments.
8152
8153         * rtl.def (DEPS_LIST): Remove.
8154
8155         * lists.c (unused_deps_list): Remove.
8156         (free_list): Update assertions.
8157
8158         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8159         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8160
8161         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8162         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8163
8164         * haifa-sched.c (comments): Update.
8165         (insn_cost1): Remove.  Inline the code into insn_cost ().
8166         (insn_cost): Update to use new scheduler dependencies lists.  Move
8167         processing of the dependency cost to dep_cost ().
8168         (dep_cost): New function.  Use it instead of insn_cost () when
8169         evaluating cost of the dependency.  Use compatible interface to
8170         interact with the target.
8171         (priority): Update to use new scheduler dependencies lists.
8172         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8173         with greater number of insns that depend on the insn.
8174         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8175         code to free backward dependencies lists.  Inline and optimize code
8176         from resolve_dep () - see PR28071.
8177         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8178         lists.  Update call to targetm.sched.is_costly_dependence hook.
8179
8180         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8181         scheduler dependencies lists.
8182
8183         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8184         (init_h_i_d): Initialize dependencies lists.
8185
8186         (process_insn_depend_be_in_spec): Rename to
8187         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8188         dependencies lists.
8189         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8190         Update to use new scheduler dependencies lists.
8191         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8192
8193         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8194         new scheduler dependencies lists.
8195         (build_intra_loop_deps): Ditto.
8196
8197         * target.h (struct _dep): Declare to use in
8198         gcc_target.sched.is_costly_dependence.
8199         (struct gcc_target.sched.adjust_cost): Fix typo.
8200         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8201         single dep_t parameter instead of an equivalent triad.
8202         (struct gcc_target.sched.adjust_cost_2): Remove.
8203
8204         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8205
8206         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8207
8208         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8209         documentation.
8210         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8211
8212         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8213         (REG_DEP_TRUE): Document.
8214
8215         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8216         Change signature to correspond to the targetm.sched.adjust_cost hook.
8217         Update use in TARGET_SCHED_ADJUST_COST_2.
8218         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8219         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8220         new scheduler dependencies lists.
8221         (ia64_gen_check): Ditto.
8222
8223         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8224         dependencies lists.
8225
8226         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8227         signature to correspond to the targetm.sched.is_costly_dependence hook.
8228         (is_costly_group): Update to use new scheduler dependencies lists.
8229
8230         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8231         instead of INSN_COST () macro.
8232
8233 2007-02-01  Ian Lance Taylor  <iant@google.com>
8234
8235         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8236
8237 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8238
8239         * pa.md (tp_load): Correct mfctl instruction syntax.
8240
8241 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8242
8243         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8244         altivec_padding_size calculation on AIX.  Improve comment, add
8245         assert to verify that it's right.
8246
8247         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8248         64-bit.
8249
8250 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8251
8252         PR inline-asm/28686
8253         * global.c (global_alloc): Add mising initialization of
8254         ELIMINABLE_REGSET.
8255
8256 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8257
8258         * alias.c (init_alias_analysis): Correct whitespace.
8259         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8260         partition_hot_cold_basic_blocks): Likewise.
8261         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8262         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8263         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8264         fold_builtin_snprintf_chk, fold_builtin_printf,
8265         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8266         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8267         * cfgcleanup.c (cleanup_cfg): Likewise.
8268         * cfgexpand.c (tree_expand_cfg): Likewise.
8269         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8270         * function.c (get_next_funcdef_no): Likewise.
8271         * gengtype.c (main): Likewise.
8272         * genmodes.c (main): Likewise.
8273         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8274         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8275         * ifcvt.c (noce_emit_move_insn): Likewise.
8276         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8277         Likewise.
8278         * stor-layout.c (get_best_mode): Likewise.
8279         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8280         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8281         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8282         perform_var_substitution, solve_graph): Likewise.
8283         * tree-vrp.c (vrp_finalize): Likewise.
8284
8285 2007-02-01  Ian Lance Taylor  <iant@google.com>
8286
8287         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8288         high part of a paradoxical subreg, return a constant zero.
8289
8290 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8291
8292         * toplev.c (lang_dependent_init): Call init_set_costs.
8293         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8294
8295 2007-02-01  Richard Guenther  <rguenther@suse.de>
8296
8297         PR middle-end/30656
8298         * fold-const.c (fold_negate_expr): Allow negating a
8299         constant if overflow does not change.
8300
8301 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8302
8303         * doc/c-tree.texi (Expression trees): Improve markup.
8304         * doc/tm.texi (Register Classes, Addressing Modes)
8305         (Floating Point): Fix spacing after abbreviations.  Fix some
8306         typos.
8307
8308 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8309
8310         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8311         * doc/contrib.texi: Likewise.
8312         * doc/install.texi: Likewise.
8313
8314 2007-01-31  Richard Henderson  <rth@redhat.com>
8315             Ian Lance Taylor  <iant@google.com>
8316
8317         * lower-subreg.c: New file.
8318         * rtl.def (CONCATN): Define.
8319         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8320         pass_lower_subreg2.
8321         * emit-rtl.c (update_reg_offset): New static function, broken out
8322         of gen_rtx_REG_offset.
8323         (gen_rtx_REG_offset): Call update_reg_offset.
8324         (gen_reg_rtx_offset): New function.
8325         * regclass.c: Revert patch of 2006-03-05, restoring
8326         reg_scan_update.
8327         (clear_reg_info_regno): New function.
8328         * dwarf2out.c (concatn_loc_descriptor): New static function.
8329         (loc_descriptor): Handle CONCATN.
8330         * common.opt (fsplit_wide_types): New option.
8331         * opts.c (decode_options): Set flag_split_wide_types when
8332         optimizing.
8333         * timevar.def (TV_LOWER_SUBREG): Define.
8334         * rtl.h (gen_reg_rtx_offset): Declare.
8335         (reg_scan_update): Declare.
8336         * regs.h (clear_reg_info_regno): Declare.
8337         * tree-pass.h (pass_lower_subreg): Declare.
8338         (pass_lower_subreg2): Declare.
8339         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8340         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8341         -fsplit-wide-types.
8342         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8343         * Makefile.in (OBJS-common): Add lower-subreg.o.
8344         (lower-subreg.o): New target.
8345
8346 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8347
8348         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8349
8350 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8351
8352         PR target/19087
8353         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8354
8355 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8356
8357         PR middle-end/29335
8358         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8359
8360 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8361
8362         * cfgloop.h: Include vec-prim.h.
8363         (enum li_flags): Remove LI_ONLY_OLD.
8364         (loop_iterator): Changed.
8365         (fel_next, fel_init): Iterate over loop tree.
8366         (FOR_EACH_LOOP_BREAK): New macro.
8367         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8368         FOR_EACH_LOOP.
8369         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8370         * modulo-sched.c (sms_schedule): Ditto.
8371         * tree-vectorizer.c (vectorize_loops): Ditto.
8372         * doc/loop.texi: Update information on loop numbering and behavior of
8373         FOR_EACH_LOOP wrto new loops.
8374         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8375         add_to_evolution_1): Test nestedness of loops instead of comparing
8376         their numbers.
8377         * tree-chrec.c (chrec_fold_plus_poly_poly,
8378         chrec_fold_multiply_poly_poly, chrec_evaluate,
8379         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8380         reset_evolution_in_loop): Ditto.
8381         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8382
8383 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8384
8385         * c-common.c (warn_about_parentheses): Separate warning about
8386         un-parenthized sequence of comparison operators from the one
8387         which is supposed to warn about x <= y <= z.
8388
8389 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8390
8391         * optabs.h (enum optab_index): Add new OTI_isinf.
8392         (isinf_optab): Define corresponding macro.
8393         * optabs.c (init_optabs): Initialize isinf_optab.
8394         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8395         patterns.
8396         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8397         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8398         using isinf_optab.
8399         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8400         expand_builtin_interclass_mathfn.
8401         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8402         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8403         (fxam<mode>2_i387): New insn pattern.
8404         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8405         built-in functions as x87 inline asm.
8406
8407 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8408
8409         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8410
8411 2007-01-30  Eric Christopher  <echristo@apple.com>
8412
8413         * config.gcc: Add geode.
8414
8415 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8416
8417         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8418         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8419         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8420         value-prof.c: Fix comment typos.
8421
8422 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8423
8424         PR c++/24745
8425         * doc/invoke.texi (Wpointer-arith): Document warning.
8426
8427 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8428
8429         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8430         the list of discrepancies from the draft TR.
8431
8432 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8433
8434         PR c++/30601
8435         * doc/invoke.texi (-Wreturn-type): Update description to
8436         match new behavior.
8437
8438 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8439
8440         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8441
8442 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8443
8444         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8445         to handle optabs that operate on floating point input argument and
8446         output to integer output.
8447         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8448         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8449         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8450         expand_builtin_interclass_mathfn ().
8451         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8452         (ilogbsi2): Remove.
8453         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8454         ilogbl built-in functions as x87 intrinsics.
8455
8456 2007-01-30  Richard Guenther  <rguenther@suse.de>
8457
8458         PR middle-end/27657
8459         * dwarf2out.c (reference_to_unused): Query varpool if the
8460         variable was output.
8461
8462 2007-01-30  Richard Guenther  <rguenther@suse.de>
8463
8464         PR middle-end/30313
8465         * passes.c (execute_one_pass): Reset in_gimple_form to not
8466         confuse non-unit-at-a-time mode.
8467
8468 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8469             Richard Guenther  <rguenther@suse.de>
8470
8471         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8472         avoid undefined behaviour on overflow.  Use force_fit_type_double
8473         to construct the constant with the specified TREE_OVERFLOW.
8474
8475 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8476
8477         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8478         * config/dfp-bit.h: Ditto.
8479
8480 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8481
8482         * c-decl.c (pop_scope): Replace warnings with call to
8483         warn_for_unused_label.
8484         * c-common.h (warn_for_unused_label): Declare.
8485         * c-common.c (warn_for_unused_label): Define.
8486
8487 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8488
8489         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8490         function.
8491
8492 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8493
8494         * Makefile.in (USER_H): Remove decfloat.h.
8495         * ginclude/decfloat.h: Delete, moving contents to ...
8496         * ginclude/float.h: Add support for decimal floating point,
8497         guarded by __STDC_WANT_DEC_FP__.
8498
8499 2007-01-29  Mike Stump  <mrs@apple.com>
8500
8501         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8502         Analysis and Representation to resolve case insensitive conflict.
8503         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8504
8505 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8506
8507         * tree.h (struct tree_memory_tag): Add aliases member.
8508         (MTAG_ALIASES): New macro.
8509         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8510         (add_may_alias): Remove pointer-set. Update for may_aliases being
8511         a bitmap.
8512         (mark_aliases_call_clobbered): Update for may_aliases being a
8513         bitmap.
8514         (compute_tag_properties): Ditto.
8515         (create_partition_for): Ditto.
8516         (compute_memory_partitions): Ditto.
8517         (dump_may_aliases_for): Ditto.
8518         (is_aliased_with): Ditto.
8519         (add_may_alias_for_new_tag): Ditto.
8520         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8521         (compute_is_aliased): New function.
8522         (compute_may_aliases): Call compute_is_aliased).
8523         (init_alias_info): Initialize alias_bitmap_obstack.
8524         (union_alias_set_into): New function.
8525         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8526         (have_common_aliases_p): Rewrite to take two bitmaps and use
8527         intersection.
8528         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8529         Update for bitmaps.
8530         (finalize_ref_all_pointers): Update for add_may_alias changes.
8531         (new_type_alias): Ditto.
8532         * tree-flow-inline.h (may_aliases): Return a bitmap.
8533         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8534         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8535         may_aliases being a bitmap.
8536         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8537         may_aliases now returns a bitmap.
8538         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8539         being a bitmap.
8540         * tree-ssa-operands.c (add_virtual_operand): Update for
8541         may_aliases being a bitmap.
8542
8543 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8544
8545         PR tree-optimization/30630
8546         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8547         variable as changed.
8548
8549 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8550
8551         PR c++/28266
8552         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8553         expanded only once even if an error occurs.
8554
8555 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8556
8557         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8558         (__gcov_average_profiler): Likewise.
8559         (__gcov_ior_profiler): Likewise.
8560         (__gcov_merge_ior): Likewise.
8561
8562 2007-01-28  Jan Hubicka  <jh@suse.cz>
8563
8564         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8565         * value-prof.c (stringop_block_profile): Likewise.
8566
8567 2007-01-28  Jan Hubicka  <jh@suse.cz>
8568
8569         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8570         variant handling histograms; add wrapper.
8571         (clear_storage_via_libcall): Export.
8572         (emit_block_move_hints): Break out from ...; add histograms.
8573         (emit_block_move): ... this one.
8574         (clear_storage_hints): Break out from ...; add histograms.
8575         (clear_storage): ... this one.
8576         (set_storage_via_memset): Handle histogram.
8577         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8578         (clear_storage_hints, clear_storage_via_libcall): Declare.
8579         (set_storage_via_setmem): Update prototype.
8580         * doc/md.texi (movmem, setmem): Document new arguments.
8581
8582         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8583         new histograms.
8584         (stringop_block_profile): New global function.
8585         (tree_stringops_values_to_profile): Profile block size and alignment.
8586         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8587         HIST_TYPE_IOR.
8588         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8589         (stringop_block_profile): Declare.
8590         * builtins.c: Include value-prof.h.
8591         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8592         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8593         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8594         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8595         * profile.c (instrument_values): Add new counters.
8596         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8597         calls.
8598         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8599         (tree_init_edge_profiler): Build new profilers.
8600         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8601         (pass_tree_profile): Add dump.
8602         (tree_profile_hooks): Update.
8603         * Makefile.in (LIBGCOV): Add new constants.
8604         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8605         __gcov_ior_profiler): New.
8606         * i386.md (movmem/setmem expanders): Add new optional arguments.
8607
8608 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8609
8610         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8611
8612 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8613
8614         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8615         (tree_unswitch_single_loop): Pass eni_size_weights to
8616         tree_num_loop_insns.
8617         * tree-ssa-loop-manip.c: Include tree-inline.h.
8618         (can_unroll_loop_p): Pass eni_size_weights to
8619         tree_num_loop_insns.
8620         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8621         Pass eni_size_weights to estimate_num_insns.
8622         * tree.h (init_inline_once): Export.
8623         * toplev.c (backend_init): Call init_inline_once.
8624         * cgraphunit.c (cgraph_process_new_functions,
8625         cgraph_analyze_function): Pass eni_inlining_weights to
8626         estimate_num_insns.
8627         * ipa-inline.c (compute_inline_parameters): Ditto.
8628         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8629         to estimate_num_insns.
8630         (try_unroll_loop_completely): Pass eni_size_weights to
8631         tree_num_loop_insns.
8632         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8633         ot estimate_num_insns.
8634         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8635         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8636         * tree-inline.c (eni_inlining_weights, eni_size_weights,
8637         eni_time_weights): New variables.
8638         (init_inline_once): Initialize them.
8639         (struct eni_data): Mew.
8640         (estimate_num_insns_1, estimate_num_insns): Use weights.
8641         * tree-inline.h (struct eni_weights_d): New.
8642         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8643         (estimate_num_insns): Declaration changed.
8644         * cfgloop.h (tree_num_loop_insns): Declaration changed.
8645         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8646         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8647
8648 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8649
8650         * tree-data-ref.c (conflict_fn): Assert that the number of affine
8651         relations in the conflict function is valid.
8652
8653 2007-01-27  Ian Lance Taylor  <iant@google.com>
8654
8655         * common.opt: Add fstrict-overflow.
8656         * opts.c (decode_options): Set flag_strict_overflow if -O2.
8657         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8658         (TYPE_OVERFLOW_UNDEFINED): Define.
8659         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
8660         Replace all uses.
8661         * tree.h (TYPE_TRAP_SIGNED): Don't define.
8662         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8663         (fold_negate_expr): Likewise.
8664         (make_range): Likewise.
8665         (extract_muldiv_1): Likewise.
8666         (maybe_canonicalize_comparison): Likewise.
8667         (fold_comparison): Likewise.
8668         (fold_binary): Likewise.
8669         (tree_expr_nonnegative_p): Likewise.
8670         (tree_expr_nonzero_p): Likewise.
8671         * tree-vrp.c (compare_values): Likewise.
8672         (extract_range_from_binary_expr): Likewise.
8673         (extract_range_from_unary_expr): Likewise.
8674         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8675         Likewise.
8676         (nowrap_type_p): Likewise.
8677         * tree-scalar-evolution.c (simple_iv): Likewise.
8678         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8679         (build_range_check): Likewise.
8680         (extract_muldiv_1): Likewise.
8681         (fold_comparison): Likewise.
8682         * tree-vrp.c (vrp_int_const_binop): Likewise.
8683         (extract_range_from_unary_expr): Likewise.
8684         * convert.c (convert_to_integer): Likewise.
8685         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8686         (fold_comparison): Likewise.
8687         (fold_binary): Likewise.
8688         * optabs.c (optab_for_tree_code): Likewise.
8689         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8690         * simplify-rtx.c (simplify_const_relational_operation): Check
8691         flag_strict_overflow and flag_trapv.
8692         (simplify_const_relational_operation): Likewise.
8693         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8694         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
8695         -fstrict-overflow.
8696
8697 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8698
8699         * tree.c (tree_fold_gcd): Delete.
8700         * tree.h (tree_fold_gcd): Remove prototype.
8701         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8702         test whether one constant integer is a multiple of another.  Instead
8703         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8704         * fold-const.c (multiple_of_p):  We've determined both TOP and
8705         BOTTOM are integer constants so we can call int_const_binop directly
8706         instead of the more generic const_binop.
8707
8708 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8709
8710         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8711         1*X check that the constant hasn't overflowed, to preserve the
8712         TREE_OVERFLOW bit.
8713         (round_up): Provide an efficient implementation when rouding-up an
8714         INTEGER_CST to a power-of-two.
8715
8716 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8717
8718         * doc/sourcebuild.texi: Add comma for clarity.
8719         * doc/extend.texi: Fix some typos.
8720         * doc/passes.texi: Likewise.
8721         * doc/cppinternals.texi: Likewise.
8722         * doc/c-tree.texi: Likewise.
8723         * doc/tree-ssa.texi: Likewise.
8724         * doc/install.texi: Likewise.
8725
8726 2007-01-27  Jan Hubicka  <jh@suse.cz>
8727
8728         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8729         (pass_sra): Do not require alias information.
8730         * passes.c (init_optimization_passes): Add SRA
8731
8732 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
8733
8734         * tracer.c (rest_of_handle_tracer): We already cleaned
8735         up the CFG in tracer() so don't do it here again.
8736         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8737         cleanup_cfg here, either.  And don't call renumber_insns.
8738
8739         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8740         and BB_HEAD are in the insn stream here.  Instead make sure
8741         that BB_INSN is valid on all insns.  Also, do check here that
8742         there are no pending branch predictions...
8743         (rtl_verify_flow_info): ...instead of doing it here.  Checks
8744         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8745         here.
8746
8747 2007-01-26  Roger Sayle  <roger@eyesopen.com>
8748
8749         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8750         function to simplify/factorize operand order canonicalization.
8751         (ix86_fixup_binary_operands): Reorganize using the above function.
8752         (ix86_binary_operator_ok): Likewise.
8753
8754 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
8755
8756         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8757         file scope from optimize_attrs.
8758         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8759         up search.
8760         (optimize_attrs): Clear insn_code_values after freeing it.
8761
8762 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8763
8764         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8765         a parts.base assignment.
8766
8767 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8768
8769         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8770         (compute_subscript_distance, initialize_data_dependence_relation,
8771         finalize_ddr_dependent, analyze_ziv_subscript,
8772         analyze_siv_subscript_cst_affine,
8773         compute_overlap_steps_for_affine_univar,
8774         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8775         analyze_siv_subscript, analyze_miv_subscript,
8776         analyze_overlapping_iterations, subscript_dependence_tester_1,
8777         compute_self_dependence, free_dependence_relation): Work
8778         with affine_fn instead of chrecs.
8779         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8780         common_affine_function, affine_function_base,
8781         affine_function_constant_p, affine_fn_op, affine_fn_plus,
8782         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8783         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8784         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8785         (all_chrecs_equal_p): Removed.
8786         * tree-data-ref.h (affine_fn, conflict_function): New types.
8787         (struct subscript): Change type of conflicting_iterations_in_a
8788         and conflicting_iterations_in_b.
8789
8790 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
8791
8792         PR other/30182
8793         * config/pa/pa.h (TARGET_HPUX_11): New.
8794         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8795         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8796
8797 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
8798         Richard Guenther  <rguenther@suse.de>
8799
8800         * tree-ssa-structalias.c (solve_graph): Handle case
8801         we merged the variable to another.
8802
8803 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8804
8805         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8806         functions.
8807
8808         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8809         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8810
8811 2007-01-25  DJ Delorie  <dj@redhat.com>
8812
8813         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8814         allow changes to modes which don't fit in those registers.
8815
8816         * reload1.c (choose_reload_regs): Check for invalid subregs before
8817         computing their locations, not after.
8818
8819 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
8820
8821         PR 25127
8822         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8823         save Altivec registers in an eh_return function.
8824         (compute_vrsave_mask): Likewise.
8825         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8826         for saving Altivec registers.
8827         (rs6000_emit_prologue): Don't allocate stack twice in
8828         eh_return function.  Correct expected value of altivec_save_offset
8829         when using save_world.  Describe save of R0 to stack when using
8830         save_world.  Describe stack pointer adjustment when using
8831         save_world.  Remove duplicated eh_return parameter register saving.
8832         Update sp_offset variable after save_world.
8833         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8834         darwin-world.asm.
8835         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8836         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8837         implies Altivec.
8838
8839 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8840
8841         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8842
8843 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8844
8845         PR other/30182
8846         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8847         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8848
8849 2007-01-25  Richard Guenther  <rguenther@suse.de>
8850
8851         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8852         * common.opt (-Wcoverage-mismatch): New warning option.
8853         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8854         if -Wcoverage-mismatch is given.
8855
8856 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8857
8858         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8859         (ipcp_driver): Change to static definition.
8860         Add dumping of the ifunctions.
8861         (constant_val_insert): Remove unused parameter. Support for SSA.
8862         (ipcp_propagate_const): Support for SSA.
8863         (ipcp_profile_bb_print): Print only analyzed nodes.
8864         (ipcp_replace_map_create): Remove support for Fortran constant
8865         for now.
8866         * ipa-prop.c (ipa_method_modify_stmt,
8867         ipa_callsite_compute_param): Support for SSA.
8868         * ipa-prop.h (ipcp_driver): Remove declaration.
8869         (IS_VALID_TREE_MAP_INDEX): Add define.
8870
8871 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8872
8873         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8874
8875 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8876
8877         PR middle-end/30447
8878         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8879         constant argument to cabs and do it without checking for
8880         -funsafe-math-optimizations.
8881
8882 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8883
8884         * c-common.h (RID_FIRST_CXX0X): New.
8885         (RID_LAST_CXX0X): New.
8886         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8887         by -Wall.
8888         * c.opt (Wc++0x-compat): New.
8889         * doc/invoke.texi (-Wc++0x-compat): Document.
8890
8891 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8892
8893         * builtins.c (fold_builtin_carg): New.
8894         (fold_builtin_1): Use it.
8895
8896 2007-01-24  Jan Hubicka  <jh@suse.cz>
8897
8898         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8899
8900         * ipa-inline.c (initial_insns, max_insns): Delete.
8901         (compute_max_insns): New function.
8902         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
8903         of insns as base for code growth.
8904         (cgraph_decide_inlining): Make initial_insns local; do not compute
8905         max_insns.
8906         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8907         * doc/invoke.texi (inline-unit-growth): Update docs.
8908
8909 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8910
8911         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8912         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8913         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8914         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8915         for CPUs that have PTA_CX16 set.
8916
8917         PR middle-end/27416
8918         * gimplify.c (omp_check_private): New function.
8919         (gimplify_scan_omp_clauses): Use it for
8920         firstprivate/lastprivate/reduction.
8921
8922         PR middle-end/30494
8923         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8924         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8925
8926         PR middle-end/30421
8927         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8928         If lower_lastprivate_clauses emits some statements, append them
8929         to dlist rather than body_p and to body_p append an initializer.
8930         (lower_omp_for): Adjust caller.
8931
8932 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8933
8934         * target.h (globalize_decl_name): New.
8935         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8936         * output.h (default_globalize_decl_name): New.
8937         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8938         globalize_label.
8939         (globalize_decl): Ditto.
8940         (default_globalize_decl_name): New.
8941         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8942         (ia64_handle_version_id_attribute): New.
8943         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8944         (ia64_asm_output_external): Use globalize_decl_name instead
8945         of globalize_label.
8946         * doc/extend.texi (version_id): New pragma.
8947         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8948
8949 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8950
8951         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8952         _uleb128_t and _Unwind_SWord with _sleb128_t.
8953         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8954         uw_frame_state_for, uw_update_context_1): Likewise.
8955         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8956         * unwind-pe.h (read_uleb128, read_sleb128,
8957         read_encoded_value_with_base): Likewise.
8958         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8959
8960 2007-01-24  Richard Guenther  <rguenther@suse.de>
8961
8962         * builtins.c (expand_builtin_cexpi): Get the fndecl
8963         for cexp in the correct way.
8964
8965 2007-01-24  Jan Hubicka  <jh@suse.cz>
8966
8967         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8968
8969 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8970
8971         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8972         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8973         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8974         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8975         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8976         __SIZEOF_PTRDIFF_T__.
8977         * doc/cpp.texi: Documentation for the new builtin macros added.
8978
8979 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8980
8981         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8982         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8983         instead of operands[2] to avoid access past the end of array.
8984
8985 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8986
8987         * reload1.c (emit_reload_insns): Pass the reload register
8988         for a non-spill output reload through forget_old_reloads_1.
8989
8990 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8991
8992         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8993         _SOFT_DOUBLE if doubles use software floating-point.
8994         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8995         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8996         * config/rs6000/darwin-ldouble.c: Also compile functions for
8997         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8998         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8999         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9000         commented-out long double override.
9001         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9002         * config/rs6000/eabispe.h: Likewise.
9003         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9004         long double for non-SPE.
9005         (rs6000_handle_option): Likewise.
9006         (invalid_e500_subreg): Disallow more subregs involding DImode,
9007         DFmode, TImode or TFmode.
9008         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9009         E500 double.
9010         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9011         double.
9012         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9013         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9014         double.
9015         (rs6000_legitimate_address): Also check for TFmode for E500
9016         double.
9017         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9018         (spe_build_register_parallel): Handle TFmode and TCmode.
9019         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9020         double.
9021         (function_arg): Handle TFmode and TCmode for E500 double.
9022         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9023         in general.
9024         (print_operand): Handle TFmode and TImode for %y.
9025         (rs6000_generate_compare): Handle TFmode comparisons for E500
9026         double.
9027         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9028         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9029         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9030         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9031         TFmode for E500 double.
9032         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9033         (floatsidf2): Enable for E500 double.
9034         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9035         (extenddftf2): Change to extenddftf2_fprs.
9036         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9037         depending on TARGET_E500_DOUBLE.
9038         (extendsftf2): Enable for E500 double.
9039         (trunctfdf2): Enable for E500 double.
9040         (trunctfsf2): Change to trunctfsf2_fprs.
9041         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9042         depending on TARGET_E500_DOUBLE.
9043         (floatsitf2): Enable for E500 double.
9044         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9045         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9046         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9047         (negtf2): Change to negtf2_internal.
9048         (negtf2): New expander.
9049         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9050         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9051         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9052         (movdi_internal32): Use rs6000_nonimmediate_operand.
9053         (unnamed splitter): Likewise.
9054         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9055         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9056         (SPE64TF, DITI): New mode macros.
9057         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9058         modes.
9059         (frob_tf_ti): New.
9060         (frob_<mode>_di_2): New.
9061         (frob_tf_di_8_2): New.
9062         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9063         (frob_ti_tf): New.
9064         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9065         more modes.
9066         (frob_ti_<mode>_8_2): New.
9067         (frob_ti_tf_2): New.
9068         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9069         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9070         TFmode.
9071         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9072         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9073         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9074         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9075         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9076         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9077         tsttflt_gp): New.
9078
9079 2007-01-23  Ian Lance Taylor  <iant@google.com>
9080
9081         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9082         insn-*.o first.
9083         (OBJS-archive): Reformat, alphabetize.
9084         (OBJS): Change out_object_file to OBJS-md.
9085
9086 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9087
9088         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9089         JUMP_P and CALL_P predicates where applicable.
9090         * config/i386/i386.c: Ditto.
9091         * config/i386/i386.md: Ditto.
9092         * config/i386/mmx.md: Ditto.
9093         * config/i386/predicates.md: Ditto.
9094
9095 2007-01-22  Andreas Schwab  <schwab@suse.de>
9096
9097         * config/m68k/m68k.h: Fix comment.
9098
9099 2007-01-22  Jan Hubicka  <jh@suse.cz>
9100
9101         * passes.c (init_optimization_passes): Do not rerun
9102         pass_early_warn_uninitialized.
9103
9104 2007-01-22  Richard Guenther  <rguenther@suse.de>
9105
9106         PR tree-optimization/30038
9107         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9108         function.
9109         (execute_cse_sincos_1): Likewise.
9110         (execute_cse_sincos): Likewise.
9111         (gate_cse_sincos): Likewise.
9112         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9113         the cexpi() canonicalization of sincos().
9114         * tree-pass.h (pass_cse_sincos): Declare.
9115         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9116
9117 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9118
9119         PR rtl-optimization/29329
9120         * combine.c (replaced_rhs_insn): Rename to i2mod.
9121         (replaced_rhs_value): Rename to i2mod_new_rhs.
9122         (i2mod_old_rhs): New global variable.
9123         (combine_instructions): Adjust for above change.  Save a copy of
9124         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9125         note are substituted in the second instruction.
9126         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9127         ditch the note if it pertains to the second eliminated register
9128         and this register is mentioned in i2mod_old_rhs.
9129
9130         Revert:
9131         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9132
9133         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9134         the insn to which the note was originally attached.
9135
9136 2007-01-21  Jan Hubicka  <jh@suse.cz>
9137
9138         * ipa-inline.c (inlining_mode): Comment, move up.
9139         (cgraph_decide_inlining_incrementally): Do not perform inlining
9140         itself; fix handling of flattening of self recursive functions.
9141         (cgraph_find_cycles): Remove.
9142         (cgraph_flatten_node): Remove.
9143         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9144         (try_inline): New function.
9145         (cgraph_early_inlining): Update call of
9146         cgraph_decide_inlining_incrementally.  Apply inlining here.
9147         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9148
9149 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9150
9151         PR bootstrap/30511
9152         * tree-vrp.c (check_array_bounds): do not warn
9153         about ADDR_EXPR's of ARRAY_REF's which are immediately
9154         used in binary expressions.
9155
9156 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9157
9158         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9159         read_write_dep and macros for its access.
9160         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9161         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9162         argument, call vect_check_interleaving for every independent pair of
9163         data-refs. Mark loads that access the same memory location as a store
9164         in the loop.
9165         (vect_check_dependences): Remove.
9166         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9167         call, fix the call to vect_analyze_data_ref_dependence.
9168         (vect_analyze_data_ref_access): For statements that access the same
9169         data-ref, check that they are not stores; for loads, check that there
9170         is no store that access the same location.
9171
9172 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9173             Joseph Myers  <joseph@codesourcery.com>
9174
9175         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9176         (-fdump-rtl-stack): Likewise.
9177         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9178         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9179         (-mpt-fixed): Use @minus{} for minus sign.
9180         (Using Precompiled Headers): Fix under/overfull hbox.
9181
9182 2007-01-20  Jan Hubicka  <jh@suse.cz>
9183
9184         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9185         place within annotation.
9186
9187 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9188
9189         * pa.c (output_move_double): Change array size of xoperands to 4.
9190
9191 2007-01-20  Jan Hubicka  <jh@suse.cz>
9192
9193         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9194         as temporary.
9195
9196 2007-01-19  Ian Lance Taylor  <iant@google.com>
9197
9198         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9199         constant to unsigned HOST_WIDE_INT before negating.
9200
9201 2007-01-19  Ian Lance Taylor  <iant@google.com>
9202
9203         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9204         to unsigned.
9205         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9206         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9207         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9208         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9209         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9210         (realloc_vdef, realloc_vuse): Change second parameter to
9211         unsigned.
9212         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9213         fields to unsigned.
9214         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9215         unsigned. Change x and lim locals to unsigned.
9216         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9217         unsigned.
9218         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9219         (copy_virtual_operands): Change i and n locals to unsigned.
9220
9221 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9222
9223         PR middle-end/29335
9224         * builtins.c (fold_builtin_1): Handle builtin fdim.
9225
9226 2007-01-20  Jan Hubicka  <jh@suse.cz>
9227
9228         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9229         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9230         init_alias_heapvars.
9231         (init_alias_heapvars): Initialize only when not already initialized.
9232         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9233
9234 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9235
9236         * common.opt (fsigned-zeros): New command line option.
9237         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9238         of flag_unsafe_math_optimizations.
9239         * opts.c (set_fast_math_flags): The -ffast-math command line option
9240         implies -fno-signed-zeros.
9241         (fast_math_flags_set_p): Likewise.
9242
9243         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9244         the documentation of -ffast-math appropriately.  Wrap long lines.
9245
9246 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9247
9248         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9249         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9250
9251 2007-01-19  Tomas Bily  <tbily@suse.cz>
9252
9253         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9254         * tree-profile.c:
9255         (tree_init_ic_make_global_vars): New function
9256         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9257         (tree_gen_ic_profiler): New function
9258         (tree_gen_ic_func_profiler): New function
9259         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9260         (tree_profile_hooks): Added hook for indirec/virtual calls
9261         * value-prof.c (tree_find_values_to_profile): New case for
9262         indirect calls
9263         (tree_values_to_profile): Call for determining indirect/virtual
9264         counters
9265         (tree_indirect_call_to_profile): New function
9266         (tree_ic_transform): New function
9267         (tree_ic): New function
9268         (find_func_by_pid): New function
9269         (init_pid_map): New function
9270         (tree_value_profile_transformations): Added check for
9271         indirect/virtual call transformation
9272         * value-prof.h (enum hist_type): New counter type for
9273         indirect/virtual calls
9274         (profile_hooks): Added new hook for profiling indirect/virtual
9275         calls
9276         * profile.c (instrument_values): New case for indirect/virtual
9277         call added
9278         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9279         (GCOV_COUNTER_V_INDIR): New counter type
9280         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9281         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9282         call added
9283         * cgraph.c: Definition of cgraph_max_pid
9284         (cgraph_create_node): Default init of pid attribute
9285         * cgraph.h: Declaration of cgraph_max_pid
9286         (struct cgraph_node): Added pid attribute
9287         * libgcov.c (__gcov_indirect_call_profiler): New function
9288         (__gcov_one_value_profiler_body): New function
9289         (__gcov_one_value_profiler): Body was moved to
9290         __gcov_one_value_profiler_body and calls it
9291
9292 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9293
9294         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9295         * gengtype.c (write_types_data, write_func_for_structure,
9296         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9297         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9298         (walk_type, write_func_for_structure): Generate the mark_hook if
9299         needed.
9300
9301 2007-01-19  Jan Hubicka  <jh@suse.cz>
9302
9303         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9304         'early' argument take inlining mode argument specifying whether to
9305         inline for size/speeed or all functions; add support for flattening;
9306         improve dumpting.
9307         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9308
9309 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9310
9311         PR c++/17947
9312         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9313         the name of the declared identifier.
9314
9315 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9316
9317         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9318         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9319         duplicate evaluation.
9320
9321 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9322
9323         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9324         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9325         to XFMode, use acosxf2 and truncate result to requested mode.
9326         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9327         (asin<mode>2): Similarly, with asin expanders.
9328         (*fscalexf4_i387): Rename from *fscalexf4.
9329         (expNcorexf3): New expander.
9330         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9331         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9332         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9333         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9334         patterns for SSE math.
9335         (exp10<mode>2): Similarly, with exp10 expanders.
9336         (exp2<mode>2): Similarly, with exp2 expanders.
9337         (expm1<mode>2): Similarly, with expm1 expanders.
9338         (ldexp<mode>3): Similarly, with ldexp expanders.
9339         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9340         Use gen_truncxf<mode>2_i387_noop to truncate result.
9341
9342 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9343
9344         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9345         for ColdFire targets.
9346
9347 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9348             Richard Sandiford  <richard@codesourcery.com>
9349
9350         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9351         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9352         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9353         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9354         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9355         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9356
9357 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9358
9359         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9360         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9361         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9362         (*adddi_dilshr32_cf): New pattern.
9363         (adddi3, subdi3): Remove first alternatives.
9364
9365 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9366
9367         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9368         implemented using move.l, do not use its cc result for floating-point
9369         comparisons.
9370
9371 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9372
9373         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9374         from accepting 's' constraints if flag_pic.
9375
9376 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9377
9378         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9379         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9380         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9381         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9382
9383 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9384
9385         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9386         ColdFire alternatives.
9387         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9388         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9389         architectures that support ff1 instruction.
9390
9391 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9392             Julian Brown  <julian@codesourcery.com>
9393
9394         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9395         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9396         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9397         Add commentary.
9398
9399 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9400
9401         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9402         and return a bool.
9403         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9404         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9405         HOST_WIDE_INT instead of an rtx.
9406         (m68k_rtx_costs): Update call accordingly.
9407         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9408         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9409         Return a bool.
9410         (output_move_simode_const): Update calls after above changes.
9411         Rework to use automatic variables and predicates like MEM_P.
9412         * config/m68k/m68k.md (pushexthisi_const): Update call to
9413         valid_mov3q_const.
9414
9415 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9416
9417         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9418         in dump_flags test.
9419
9420 2007-01-19  Richard Guenther  <rguenther@suse.de>
9421
9422         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9423         via cexp in case sincos is not available.
9424
9425 2007-01-19  Richard Guenther  <rguenther@suse.de>
9426
9427         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9428         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9429         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9430         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9431         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9432         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9433         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9434         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9435
9436 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9437
9438         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9439         New insn patterns.
9440         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9441         (atan2xf3): Directly generate RTL pattern.
9442         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9443         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9444         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9445         disable patterns for SSE math.
9446         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9447         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9448         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9449         disable patterns for SSE math.
9450
9451 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9452
9453         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9454
9455 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9456
9457         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9458         VIEW_CONVERT_EXPR to the same type as it's operand.
9459
9460 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9461
9462         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9463         configured for long double 128.
9464
9465 2007-01-18  Mike Stump  <mrs@apple.com>
9466
9467         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9468         error.
9469
9470 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9471
9472         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9473         type correct.
9474
9475 2007-01-18  Jan Hubicka  <jh@suse.cz>
9476
9477         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9478         greater than NUM_VOP_FREE_BUCKETS.
9479
9480 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9481
9482         * tree-ssa-structalias.c: Update comments.
9483         (ptabitmap_obstack): Removed.
9484         (pta_obstack): New.
9485         (oldpta_obstack): Ditto.
9486         (stats): Add a few members.
9487         (struct variable_info): Remove node, complex, address_taken, and
9488         indirect_target members. Add oldsolution member.
9489         (new_var_info): Do not initialize removed members.
9490         (constraint_expr_type): Remove INCLUDES.
9491         (constraint_graph): Add size, implicit_preds, rep,
9492         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9493         (FIRST_REF_NODE): New macro.
9494         (LAST_REF_NODE): Ditto.
9495         (FIRST_ADDR_NODE): Ditto.
9496         (find): New function.
9497         (unite): Ditto.
9498         (dump_constraint): Do not handle INCLUDES.
9499         (insert_into_complex): Do not insert duplicate constraints.
9500         (condense_varmap_nodes): Renamed and rewritten into ...
9501         (merge_node_constraints): This. Also fix bug in handling of
9502         offseted copy constraints.
9503         (clear_edges_for_node): No longer need to deal with preds at all,
9504         or removing associated preds/succs.
9505         (merge_graph_nodes): Deal with indirect_cycles.
9506         Don't deal with predecessors.
9507         (add_implicit_graph_edge): New function.
9508         (add_pred_graph_edge): Ditto.
9509         (add_graph_edge): Don't deal with predecessors.
9510         (build_constraint_graph): Removed.
9511         (build_pred_graph): New function.
9512         (build_succ_graph): Ditto.
9513         (struct scc_info): Removed in_component. Added roots, dfs, and
9514         node_mapping. Remove visited_index, unification_queue.
9515         (scc_visit): Deal with union-find we do now.
9516         Deal with cycles with REF nodes.
9517         (collapse_nodes): Renamed and rewritten to ...
9518         (unify_nodes): This.
9519         (process_unification_queue): Removed.
9520         (topo_visit): Cleanup
9521         (do_da_constraint): Use find.
9522         (do_sd_constraint): Ditto.
9523         (do_ds_constraint): Ditto.
9524         (do_complex_constraint): Ditto.
9525         (init_scc_info): Update for removed and added members.
9526         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9527         (find_indirect_cycles): This.
9528         (equivalence_class): New variable.
9529         (label_visit): New function.
9530         (perform_variable_substitution): Rewritten.
9531         (free_var_substitution_info): New function.
9532         (find_equivalent_node): Ditto.
9533         (move_complex_constraints): Ditto.
9534         (eliminate_indirect_cycles): Ditto.
9535         (solve_graph): Only propagate changed bits.
9536         Use indirect cycle elimination.
9537         Use find.
9538         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9539         (tree_id_eq): Renamed to ...
9540         (tree_vi_eq): This. Update for member change
9541         (insert_id_for_tree): Renamed and rewritten to ...
9542         (insert_vi_for_tree): This.
9543         (lookup_id_for_tree): Renamed and rewritten to ...
9544         (lookup_vi_for_tree): This.
9545         (get_id_for_tree): Renamed and rewritten to ...
9546         (get_vi_for_tree): Ditto.
9547         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9548         (process_constraint): Don't handle INCLUDES.
9549         Remove special ADDRESSOF case.
9550         (find_func_aliases): Rewrite to use vi functions instead of id
9551         ones.
9552         (create_function_info_for): Ditto.
9553         (create_variable_info_for): Ditto.
9554         (intra_create_variable_infos): Ditto.
9555         (merge_smts_into): Ditto.
9556         (find_what_p_points_to): Ditto.
9557         (init_base_vars): Ditto.
9558         (init_alias_vars): Ditto.
9559         (remove_preds_and_fake_succs): New function.
9560         (dump_sa_points_to_info): Dump new stats.
9561         (dump_solution_for_var): Use find.
9562         (set_used_smts): Fix formatting.
9563         (compute_points_to_sets): Updated for new functions.
9564         (ipa_pta_execute): Ditto.
9565
9566 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9567             Richard Sandiford  <richard@codesourcery.com>
9568
9569         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9570         parallels.
9571         * calls.c (expand_call): If the return value is a PARALLEL,
9572         extract its first member.
9573         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9574         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9575         use FUNCTION_EXTRA_EPILOGUE.
9576         (m68k_function_value): Return a PARALLEL if the return value
9577         is of a pointer type.
9578         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9579         (FUNCTION_EXTRA_EPILOGUE): Remove.
9580         * config/m68k/m68k.md (D0_REG): New constant.
9581
9582 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9583
9584         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9585         output a NOP for empty epilogues.
9586
9587 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9588
9589         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9590         before function.  Extend register save check to include all
9591         registers, not just integer ones.
9592
9593 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9594
9595         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9596         (m68k_use_return_insn): ...this.
9597         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9598         * config/m68k/m68k.c (use_return_insn): Rename to...
9599         (m68k_use_return_insn): ...this.
9600         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9601         of USE_RETURN_INSN.
9602
9603 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9604
9605         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9606         nearest even, fix denormal rounding overflow.
9607
9608 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9609
9610         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9611         f%$smove and f%$move.
9612         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9613         (extendsfdf2_cf): Use fdmove instead of f%&move.
9614         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9615         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9616
9617 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9618
9619         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9620         GPR<-GPR moves.
9621
9622 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9623
9624         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9625         (coldfire_single_format): Declare.
9626         (coldfire_double_format): Likewise.
9627         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9628         of qnan_msb_set to determine the lower bits of a canonical
9629         NaN significand.
9630         (encode_ieee_double): Likewise.
9631         (encode_ieee_quad): Likewise.
9632         (ieee_single_format): Initialize canonical_nan_lsbs_set.
9633         (mips_single_format): Likewise.
9634         (ieee_double_format): Likewise.
9635         (mips_double_format): Likewise.
9636         (ieee_extended_motorola_format): Likewise.
9637         (ieee_extended_intel_96_format): Likewise.
9638         (ieee_extended_intel_128_format): Likewise.
9639         (ieee_extended_intel_96_round_53_format): Likewise.
9640         (ibm_extended_format): Likewise.
9641         (mips_extended_format): Likewise.
9642         (ieee_quad_format): Likewise.
9643         (mips_quad_format): Likewise.
9644         (vax_f_format): Likewise.
9645         (vax_d_format): Likewise.
9646         (vax_g_format): Likewise.
9647         (i370_single_format): Likewise.
9648         (i370_double_format): Likewise.
9649         (decimal_single_format): Likewise.
9650         (decimal_double_format): Likewise.
9651         (decimal_quad_format): Likewise.
9652         (c4x_single_format): Likewise.
9653         (c4x_extended_format): Likewise.
9654         (real_internal_format): Likewise.
9655         (coldfire_single_format): New real_format.
9656         (coldfire_double_format): Likewise.
9657         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9658         canonical_nan_lsbs_set.
9659         (pdp11_d_format): Likewise.
9660         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9661         if TARGET_COLDFIRE_CPU.
9662
9663 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9664
9665         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9666         (output_call, m68k_legitimize_call_address): Declare.
9667         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9668         parenthesees.  Add support for a 'W' constraint.
9669         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9670         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9671         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9672         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9673         variables.
9674         (override_options): Initialize them.  Do not set flag_no_function_cse
9675         for TARGET_ID_SHARED_LIBRARY.
9676         (m68k_output_pic_call): Delete.
9677         (m68k_legitimize_call_address): New function.
9678         (print_operand): Remove the %o prefix.  Handle the %p prefix.
9679         (output_call): New function.
9680         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
9681         target address from the GOT if symbolic jumps are not allowed.
9682         * config/m68k/m68k.md (call, general_operand): Do not set
9683         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
9684         Merge separate flag_pic and !flag_pic define_insns into...
9685         (*call, *call_value): ...these new patterns.  Match the address
9686         rather than the containing MEM and require it to be a call_operand.
9687         Use output_call to generate the asm template.
9688         * config/m68k/predicates.md (const_call_operand): New predicate.
9689         (call_operand): Likewise.
9690
9691 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9692
9693         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9694         (STACK_GROWS_DOWNWARD): Define to 1.
9695         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9696         comments, emphasizing that these values are only defaults.
9697         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9698         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9699
9700 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9701
9702         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9703
9704 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9705             Richard Sandiford  <richard@codesourcery.com>
9706
9707         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9708         (FP_REGNO_P): New macros.
9709         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9710         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9711         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9712         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9713
9714 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9715
9716         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9717         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9718         to $tmake_file.
9719         * config/m68k/t-floatlib: New file, extracting common code from...
9720         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9721         * config/m68k/t-uclinux: Here.
9722         * config/m68k/fpgnulib.c: Do not compile extendeed precision
9723         routines on ColdFire targets.
9724
9725 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9726
9727         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9728         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9729         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9730         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9731         explicitly set MOTOROLA to 1.
9732         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9733
9734 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9735             Nathan Sidwell  <nathan@codesourcery.com>
9736
9737         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9738         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9739         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9740         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9741         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9742         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9743         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9744         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9745         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9746         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9747         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9748         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9749         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9750         (DBX_REGISTER_NUMBER): Delete.
9751         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9752         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9753         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9754
9755 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9756
9757         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9758         * config/flat.h: New file.
9759         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9760         OBJECT_FORMAT_FLAT.
9761         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9762         indirect references for -msep-data or -mid-shared-library.
9763         Do not use PC-relative code addresses either.
9764         * config/m68k/m68k.c (override_options): Restrict -fPIC error
9765         to -mpcrel.
9766         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
9767         for shared libraries and crt1.o for executables.  Use crti.o and
9768         crtbegin.o.
9769         (ENDFILE_SPEC): Use crtend.o and crtn.o.
9770         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9771         Do not add -elf2flt or -shared-lib-id options here.
9772         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
9773         Pass -shared-lib-id if -mid-shared-library, taking the library
9774         identifier from -mshared-library-id if given, otherwise
9775         defaulting to 0.
9776         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9777         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9778         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9779         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9780         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9781         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9782         and crtend.o.
9783         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9784         jump sequence for ISA A and ISA A+.
9785         (PICJUMP): Likewise.
9786
9787 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9788
9789         * config.gcc (m68k-*-uclinux*): Base the port on the common
9790         and m68k GNU/Linux files rather than on the generic ELF ones.
9791         * config/m68k/uclinux.h (TARGET_VERSION): Override.
9792         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9793
9794 2007-01-18  Julian Brown  <julian@codesourcery.com>
9795             Richard Sandiford  <richard@codesourcery.com>
9796
9797         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9798         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9799         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9800         before redefining.
9801         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9802         80 unconditionally.
9803         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9804
9805 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9806
9807         * doc/install.texi: Document m68k-uclinuxoldabi.
9808         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9809         * config/m68k/uclinux-oldabi.h: New file, copied from
9810         config/m68k/uclinux.h.
9811
9812 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9813
9814         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9815         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9816         (m32r_compute_frame_size): Use unsigned for regno.
9817         (m32r_reload_lr): Use gen_frame_mem.
9818         (pop): New.
9819         (m32r_output_function_epilogue): Don't output the function epilogue
9820         textually here.
9821         (m32r_expand_epilogue): New.
9822         (direct_return): Return false if the function has the interrupt
9823         attribute.
9824         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9825         * config/m32r/m32r.md (epilogue): New expander.
9826         (return_lr, return_rte): New insns.
9827         (return): Make it expander.
9828         (return_normal): New expander.
9829
9830 2007-01-18  Josh Conner  <jconner@apple.com>
9831
9832         PR target/30485
9833         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9834         support for UNLE, UNLT, UNGE, and UNGT.
9835
9836 2007-01-18  Jan Hubicka  <jh@suse.cz>
9837
9838         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9839         * tree-tailcall (add_virtual_phis): Likewise.
9840         (optimize_tail_call): Return TODOs.
9841         (execute_tail_calls): Return TODOs.
9842         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9843         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9844         changed.
9845         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9846         Cleanup cfg using TODO.
9847         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9848         * passes.c (execute_function_todo): When cleanup did something, remove
9849         unused locals.
9850         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9851         (make_edges): Don't cleanup_cfg.
9852
9853 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9854
9855         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9856         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9857         operate on the top of stack.
9858         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9859         register handling of instructions that output to the second
9860         stack slot.
9861         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9862         (move_for_stack_reg): Special-case check for dead destination
9863         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9864
9865         * config/i386/i386.md (UNSPEC_TAN): New constant.
9866         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9867         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9868         to correctly model move of constant 1.0 to top stack slot.
9869         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9870         (unnamed peephole2 pattern): Remove corresponding peephole2
9871         pattern that optimizes tan insn and loading of constant 1.0.
9872         (tanxf2): Use fptanxf4_i387.
9873         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9874         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9875         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9876         disable patterns for SSE math.
9877         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9878         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9879
9880 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9881             Richard Guenther <rguenther@suse.de>
9882
9883         PR diagnostic/8268
9884         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9885         * common.opt (Warray-bounds): Add new warning option.
9886         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9887         if -Wall is given.
9888         * Makefile.in: make tree-vrp.o depend on toplev.h
9889         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9890         is enabled.
9891         (check_array_refs, check_array_bounds, check_array_ref): New.
9892
9893 2007-01-18  Jan Hubicka  <jh@suse.cz>
9894
9895         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9896         (execute_ssa_ccp): Return flags conditionally.
9897         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9898         changed.
9899         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9900
9901 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9902
9903         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
9904         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9905
9906         * Makefile.c (GTFILES): Add cfglayout.h.
9907         * gengtype.c (open_base_files): Likewise.
9908         * cfglayout.c (cfg_layout_function_footer,
9909         cfg_layout_function_header) Reindent to make gengtype happy.
9910         * cfglayout.h (cfg_layout_function_footer,
9911         cfg_layout_function_header): Add GTY(()) marker.
9912
9913         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9914
9915 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9916
9917         * genautomata.c (write_automata): Include xstrerror output in the
9918         error message if writing the DFA description file fails.
9919
9920 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9921
9922         * config/mips/mips-protos.h (mips_output_external): Make it
9923         return void.
9924         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9925         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9926         (extern_list): Likewise.
9927         (extern_head): Likewise.
9928         (TARGET_ASM_FILE_END): Likewise.
9929         (mips_file_end): Likewise.
9930         (mips_output_external): Rewritten.
9931
9932 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9933
9934         * genpreds.c (write_insn_preds_c): Only write out the function
9935         body for regclass_for_constraint if we have register constraints.
9936
9937 2007-01-17  Tom Tromey  <tromey@redhat.com>
9938
9939         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9940         * doc/install.texi (Testing): Use sourceware.org.
9941         (Binaries): Likewise.
9942         (Specific): Likewise.
9943         * doc/contrib.texi (Contributors): Use sourceware.org.
9944
9945 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9946
9947         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9948         (AVR_ENHANCED): Rename to ...
9949         (AVR_HAVE_MUL): ... new.
9950         (avr_enhanced_p): Rename to ...
9951         (avr_have_mul_p): ... new.
9952         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9953         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9954         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9955         (avr_have_mul_p): ... new.
9956         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9957         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9958         'avr_enhanced_p' and 'enhanced'.
9959         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9960         AVR_HAVE_MUL instead of AVR_ENHANCED.
9961         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9962         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9963         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9964         instead of AVR_ENHANCED.
9965         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9966         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9967         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9968
9969 2007-01-17  Ian Lance Taylor  <iant@google.com>
9970
9971         * vec.h (VEC_reserve_exact): Define.
9972         (vec_gc_p_reserve_exact): Declare.
9973         (vec_gc_o_reserve_exact): Declare.
9974         (vec_heap_p_reserve_exact): Declare.
9975         (vec_heap_o_reserve_exact): Declare.
9976         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9977         versions.
9978         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9979         negative parameter.
9980         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9981         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9982         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9983         * vec.c (calculate_allocation): Add exact parameter.  Change all
9984         callers.
9985         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9986         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9987         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9988         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9989         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9990         (vec_heap_p_reserve_exact): New function.
9991         (vec_heap_o_reserve_exact): New function.
9992
9993 2007-01-17  Jan Hubicka  <jh@suse.cz>
9994
9995         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9996
9997 2007-01-17  Eric Christopher  <echristo@apple.com>
9998
9999         * config.gcc: Support core2 processor.
10000
10001 2007-01-16  Jan Hubicka  <jh@suse.cz>
10002
10003         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10004         the names, just unlink the chain so we don't crash on dangling pointers
10005         to dead SSA names.
10006
10007 2007-01-16  Jan Hubicka  <jh@suse.cz>
10008
10009         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10010         * tree-pass.h: Reorder to make IPA passes appear toegher.
10011         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10012         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10013         parameters, do not call early inliner.
10014         * ipa-inline.c: Update comments.  Include tree-flow.h
10015         (cgraph_decide_inlining): Do not compute inlining parameters.
10016         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10017         be called with function context set up.
10018         (pass_ipa_inline): Remove unreachable functions before pass.
10019         (cgraph_early_inlining): Simplify assuming to be called from the
10020         PM as local pass.
10021         (pass_early_inline): New pass.
10022         (cgraph_gate_ipa_early_inlining): New gate.
10023         (pass_ipa_early_inline): Turn into simple wrapper.
10024         (compute_inline_parameters): New function.
10025         (gate_inline_passes): New gate.
10026         (pass_inline_parameters): New pass.
10027         (apply_inline): Move here from tree-optimize.c
10028         (pass_apply_inline): New pass.
10029         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10030         transforming.
10031         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10032         doing them by hand.
10033         (tree_function_versioning): Do not allocate dummy struct function.
10034         * tree-inline.h (optimize_inline_calls): Update prototype.
10035         * tree-optimize.c (execute_fixup_cfg): Export.
10036         (pass_fixup_cfg): Remove
10037         (tree_rest_of_compilation): Do not apply inlines.
10038         * tree-flow.h (execute_fixup_cfg): Declare.
10039         * Makefile.in (gt-passes.c): New.
10040         * passes.c: Include gt-passes.h
10041         (init_optimization_passes): New passes.
10042         (nnodes, order): New static vars.
10043         (do_per_function_toporder): New function.
10044         (execute_one_pass): Dump current pass here.
10045         (execute_ipa_pass_list): Don't dump current pass here.
10046
10047 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10048
10049         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10050         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10051
10052 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10053
10054         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10055         (strong_alias): Define.
10056         (__gcc_qmul): Provide non-FMA for soft-float.
10057         (__gcc_qdiv): Same.
10058         (__gcc_qneg): New.
10059         (__gcc_qeq): New.
10060         (__gcc_qle): New.
10061         (__gcc_qge): New.
10062         (__gcc_qunord): New.
10063         (__gcc_stoq): New.
10064         (__gcc_dtoq): New.
10065         (__gcc_qtos): New.
10066         (__gcc_qtod): New.
10067         (__gcc_qtoi): New.
10068         (__gcc_qtou): New.
10069         (__gcc_itoq): New.
10070         (__gcc_utoq): New.
10071         (fmsub): New.
10072         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10073         soft-float functions.
10074         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10075         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10076         about long double soft float.
10077
10078 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10079             Tehila Meyzels  <tehila@il.ibm.com>
10080
10081         * tree-vectorizer.h (is_pattern_stmt_p): New.
10082         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10083         formatting (tabs instead of spaces). Cleanup and clarify setting
10084         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10085         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10086         (vectorizable_type_demotion): Check that types are integral.
10087         (vectorizable_type_promotion): Likewise.
10088         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10089         comments.
10090
10091 2007-01-16  Jan Hubicka  <jh@suse.cz>
10092
10093         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10094         cgraph edges too.
10095
10096 2007-01-15  Eric Christopher  <echristo@apple.com>
10097
10098         * ifcvt.c: Include vec.h, vecprim.h.
10099         (check_cond_move_block): New argument regs.
10100         Reorganize. Add registers used to regs.
10101         (cond_move_process_if_block): Use regs set above as
10102         loop bounds.
10103
10104 2007-01-15  Eric Christopher  <echristo@apple.com>
10105
10106         * config/darwin.h: Update copyright.
10107         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10108         (LINK_COMMAND_SPEC): Add -u.
10109         (LINK_SPEC): Fix umbrella for above.
10110
10111 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10112
10113         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10114         glibc CVS.
10115
10116 2007-01-15  Tom Tromey  <tromey@redhat.com>
10117
10118         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10119         * doc/install.texi (Testing): Don't mention jacks.
10120         (Configuration): Document --enable-java-maintainer-mode.  Move
10121         --with-java-home to libgcj-specific section.  Document
10122         --with-ecj-jar.
10123         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10124
10125 2007-01-15  Jan Hubicka  <jh@suse.cz>
10126
10127         * tree-ssa-dce.c (DCE_TODOs): New.
10128         (propagate_necessity): Return if something changed.
10129         (eliminate_unnecessary_stmts): Likewise.
10130         (perform_tree_ssa_dce): Return TODO flags when needed.
10131         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10132
10133 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10134
10135         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10136         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10137         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10138         patterns using X87MODEF12 mode macro.  Extend operand 1
10139         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10140         (log10<mode>2): Ditto.
10141         (log2<mode>2): Ditto.
10142         (log1p<mode>2): Ditto.
10143         (logb<mode>2): Ditto.
10144         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10145         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10146         (*fxtractxf3_i387): Rename from *fxtractxf3.
10147         (fxtract_extend<mode>xf3_i387): New insn pattern.
10148         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10149         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10150         and gen_fyl2xxf3_i387().
10151
10152 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10153
10154         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10155         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10156         get_loop_exit_edges.  Changed return type to bool.
10157         * cfgloop.h (fix_loop_placement): Declaration removed.
10158
10159 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10160
10161         * param.h (MIN_VECT_LOOP_BOUND): New.
10162         * params.def (MIN_VECT_LOOP_BOUND): New.
10163         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10164         argument - minimum threshold for number of iterations.
10165         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10166         argument to declaration.
10167         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10168         MIN_VECT_LOOP_BOUND.
10169         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10170         slpeel_tree_peel_loop_to_edge with additional argument.
10171         (vect_do_peeling_for_alignment): Likewise.
10172         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10173
10174 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10175
10176         PR target/30413
10177         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10178         operands of size 1.
10179
10180 2007-01-14  Jan Hubicka  <jh@suse.cz>
10181
10182         * tree-dfa.c (remove_referenced_var): New function.
10183         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10184         prune referenced vars list too.
10185         * tree-flow.h (remove_referenced_var): Declare.
10186
10187 2007-01-14  Jan Hubicka  <jh@suse.cz>
10188
10189         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10190         separately.
10191         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10192         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10193         * except.h (verify_eh_throw_table_statements): Kill prototype.
10194         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10195         into call exrepssions.
10196         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10197         eh trhow verifier.
10198         * tree-cfg.c: Include pointer-set.h.
10199         (verify_node_sharing): Work on pointer set.
10200         (verify_eh_throw_stmt_node): New.
10201         (verify_stmts): Use pointers sets, verify throw_stmt.
10202
10203 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10204
10205         * ipa-reference.c (analyze_function): Consider also addresses taken
10206         in phi nodes.
10207
10208 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10209
10210         * c-typeck.c (null_pointer_constant_p): Replace use of
10211         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10212         (build_c_cast): Likewise.
10213
10214 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10215
10216         * tree.h (force_fit_type_double): Remove unused final argument.
10217         * c-common.c (constant_expression_warning): Replace use of
10218         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10219         (convert_and_check): Likewise.
10220         (shorten_compare): Update call to force_fit_type_double.
10221         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10222         * convert.c (convert_to_pointer): Update call to
10223         force_fit_type_double.
10224         * fold-const.c (force_fit_type_double): Remove overflowed_const
10225         argument.
10226         (int_const_binop, fold_convert_const_int_from_int,
10227         fold_convert_const_int_from_real, fold_div_compare,
10228         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10229         fold_abs_const, fold_not_const): Remove the final argument from
10230         calls to force_fit_type_double.
10231
10232 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10233
10234         * configure.ac: Set insn to "nop" for spu-*-* also.
10235         * configure: Regenerate.
10236
10237 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10238
10239         * builtins.def : Add BUILT_IN_FREE.
10240
10241 2007-01-12  Jan Hubicka  <jh@suse.cz>
10242
10243         PR tree-optimization/30443
10244         * tree-inline.c (tree_function_versioning): Do not optimize when
10245         cloning for inlining.
10246
10247 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10248
10249         * doc/loop.texi: Document recording of loop exits.
10250         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10251         (update_single_exits_after_duplication,
10252         update_single_exit_for_duplicated_loop,
10253         update_single_exit_for_duplicated_loops): Removed.
10254         (duplicate_loop_to_header_edge): Do not call
10255         update_single_exits_after_duplication and
10256         update_single_exit_for_duplicated_loops.
10257         (loop_version): Do not update single_exit information.
10258         (fix_loop_structure): Use record_loop_exits instead of
10259         mark_single_exit_loops.
10260         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10261         the lists of loop exits.
10262         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10263         split_edge, merge_blocks): Update the lists of loop exits.
10264         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10265         loop_optimizer_init.
10266         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10267         of mark_single_exit_loops.
10268         (loop_optimizer_finalize): Call release_recorded_exits.
10269         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10270         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10271         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10272         update single exit information.
10273         * lambda-code.c (perfect_nestify): Ditto.
10274         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10275         (mark_single_exit_loops): Removed.
10276         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10277         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10278         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10279         functions.
10280         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10281         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10282         (verify_loop_structure): Verify consistency of the exit lists.
10283         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10284         (set_single_exit): Removed.
10285         * cfgloop.h (struct loop_exit): New function.
10286         (struct loop): single_exit_ field replaced by exits field.
10287         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10288         (struct loops): Added exits hash.
10289         (mark_single_exit_loops, set_single_exit): Declaration removed.
10290         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10291
10292 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10293
10294         * doc/invoke.texi: Avoid use of @headitem.
10295
10296 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10297
10298         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10299
10300 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10301
10302         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10303         list of targets.
10304
10305 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10306             Richard Sandiford  <richard@codesourcery.com>
10307
10308         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10309         * config/m68k/m68k.opt: Resort options.
10310         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10311
10312 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10313             Richard Sandiford  <richard@codesourcery.com>
10314
10315         * doc/invoke.texi: Document the macros that are defined by
10316         m68k's -mtune and -mhard-float options.
10317         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10318         (m68k_cpp_cpu_family): Likewise.
10319         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10320         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10321         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10322         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10323         (m68k_cpp_cpu_family): Likewise.
10324
10325 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10326
10327         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10328         macros besides mc68000 as tuning macros.  Use a switch statement
10329         to set them and mcpu32.
10330
10331 2007-01-12  Julian Brown  <julian@codesourcery.com>
10332
10333         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10334         (TARGET_68040_ONLY): Rename to...
10335         (TARGET_68040): ...this.
10336         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10337         * config/m68k/m68k.md: Likewise.
10338
10339 2007-01-12  Julian Brown  <julian@codesourcery.com>
10340             Nathan Sidwell  <nathan@codesourcery.com>
10341             Richard Sandiford  <richard@codesourcery.com>
10342
10343         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10344         the -mcpu= argument associated with the --with-cpu setting.
10345         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10346         if different from the one implied by the -mcpu setting.
10347         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10348         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10349         * doc/invoke.texi: Mention ColdFire in the introduction to the
10350         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10351         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10352         -mhard-float.  Document the previously-undocumented -m5206e,
10353         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10354         documentation for consistency.
10355         * doc/install.texi: Mention new --with-cpu arguments.
10356         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10357         default CPU if neither -mcpu nor -march are specified.
10358         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10359         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10360         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10361         using m68k_tune to decide between families that implement the
10362         same ISA.  Use m68k_tune to set __mcfv4e__.
10363         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10364         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10365         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10366         (FL_ISA_C, FL_ISA_MMU): New macros.
10367         (MASK_COLDFIRE): Delete.
10368         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10369         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10370         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10371         (TARGET_HARD_FLOAT): Do not define here.
10372         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10373         (TUNE_68000): New macro.
10374         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10375         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10376         (TUNE_CFV2): Redefine in terms of m68k_tune.
10377         (uarch_type, target_device, fpu_type): New enums.
10378         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10379         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10380         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10381         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10382         (FL_FOR_isa_c): New macros.
10383         (m68k_isa): New enum.
10384         (m68k_target_selection): New structure.
10385         (all_devices, all_isas, all_microarchs): New tables.
10386         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10387         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10388         (MASK_ALL_CPU_BITS): Delete.
10389         (m68k_find_selection): New function.
10390         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10391         Map the legacy target options to a combination of the new ones.
10392         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10393         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10394         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10395         settings.
10396         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10397         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10398         properties.
10399         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10400         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10401         * config/m68k/m68k-devices.def: New file.
10402
10403 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10404             Nathan Sidwell  <nathan@codesourcery.com>
10405
10406         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10407         (SUBTARGET_EXTRA_SPECS): New macros.
10408         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10409         use %(asm_cpu_spec) instead.
10410         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10411         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10412         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10413         (EXTRA_SPECS): Rename to...
10414         (SUBTARGET_EXTRA_SPECS): ...this.
10415
10416 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10417             Richard Sandiford  <richard@codesourcery.com>
10418             Julian Brown  <julian@codesourcery.com>
10419
10420         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10421         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10422         to the configuration's default CPU.
10423         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10424         Remove default masks.
10425         (m680[012]0-*-*): Set the default with_cpu to the first part of
10426         the target name.
10427         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10428         (m68k*-*-linux): Extend the --with-cpu handling to...
10429         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10430         and m68010.  Don't set target_cpu_default2.
10431         * doc/install.texi: Document --with-cpu for m68k.
10432         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10433         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10434         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10435         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10436         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10437         (ASM_SPEC): Remove use of %(asm_cpu_default).
10438         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10439         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10440         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10441         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10442         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10443         (TARGET_DEFAULT): Delete.
10444         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10445         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10446         (CPP_CPU_SPEC): Delete.
10447         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10448         the appropriate string.
10449         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10450         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10451         (ASM_SPEC): Don't use %(asm_default_spec).
10452         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10453         TARGET_DEFAULT and add MASK_68881.
10454         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10455
10456 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10457
10458         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10459         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10460         MASK_68010 alongside MASK_68020.
10461         * doc/invoke.texi: Document -m68010.
10462         * config/m68k/m68k.opt (m68010): New.
10463         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10464         if TUNE_68010.
10465         (TUNE_68010): New macro.
10466         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10467         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10468         (M68K_CPU_m68332): Add MASK_68010.
10469         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10470         fallback definition.
10471         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10472         defines.
10473         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10474         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10475         to all entries that use MASK_68020.
10476         (output_move_simode_const, output_move_himode, output_move_qimode)
10477         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10478         instead of TARGET_68020 to select clr behavior.  Remove comment
10479         about there being no TARGET_68010.
10480         * config/m68k/m68k.md: Likewise throughout.
10481
10482 2007-01-12  Julian Brown  <julian@codesourcery.com>
10483
10484         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10485         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10486         * config/m68k/m68k.md: Likewise.
10487
10488 2007-01-12  Julian Brown  <julian@codesourcery.com>
10489
10490         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10491         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10492
10493 2007-01-12  Julian Brown  <julian@codesourcery.com>
10494
10495         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10496         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10497         * config/m68k/m68k.md: Likewise.
10498
10499 2007-01-12  Julian Brown  <julian@codesourcery.com>
10500             Richard Sandiford  <richard@codesourcery.com>
10501
10502         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10503         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10504         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10505         TARGET_CPU32.
10506         (TARGET_CPU32): Rename to...
10507         (TUNE_CPU32): ...this.
10508         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10509         (TUNE_CFV2): New macros.
10510         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10511         remove conditions that are implied by TARGET_68020.
10512         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10513         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10514         (m68k_output_function_epilogue): Likewise.
10515         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10516         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10517         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10518         non-68000 timings.  Refactor multiplication and division costs.
10519         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10520         TUNE_CPU32 instead of TARGET_CPU32.
10521         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10522         and TUNE_68060 instead of TARGET_68060.
10523         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10524         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10525         TARGET_CPU32.
10526         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10527         && !TARGET_COLDFIRE" to choose between moveq and clr.
10528         Likewise in the unnamed movsf pattern.
10529         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10530         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10531         ashiftrt pattern.
10532
10533 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10534
10535         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10536         of tabbing before backslashes.
10537
10538 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10539
10540         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10541         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10542         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10543
10544 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10545
10546         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10547         find_interesting_uses_cond.
10548         (find_interesting_uses_cond): Use extract_cond_operands.
10549         (rewrite_use_compare): Use extract_cond_operands and
10550         force_gimple_operand_bsi.  Do not call update_stmt.
10551         (determine_use_iv_cost_condition): Use extract_cond_operands.
10552         Return cheaper of using original bound and changing the exit bound.
10553
10554 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10555
10556         PR tree-optimization/29516
10557         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10558         most_expensive_mult_to_index, addr_to_parts,
10559         create_mem_ref, maybe_fold_tmr): Make the type of
10560         fields of TARGET_MEM_REF sizetype.
10561         (move_fixed_address_to_symbol, move_pointer_to_base):
10562         New functions.
10563         * tree.def (TARGET_MEM_REF): Add comment on types of
10564         the operands.
10565
10566 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10567
10568         * c-common.c (vector_types_convertible_p): Treat opaque types as
10569         always convertible if they have the same size, but not otherwise.
10570
10571 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10572
10573         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10574         Remove the b_unconditional field.
10575         (noce_try_sign_mask): Do not look at b_unconditional.
10576         (noce_process_if_block): Do not use merge_if_blocks.  Update
10577         the CFG here.  Do not set b_unconditional.
10578         (cond_move_process_if_block): Likewise.
10579         (find_cond_trap): Likewise.
10580         (check_cond_move_block): Require simple jump insns at the end
10581         of the basic block.
10582
10583 2007-01-11  Jan Hubicka  <jh@suse.cz>
10584
10585         PR tree-optimization/1046
10586         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10587         when alias info is not ready.
10588         (pass_tail_recursion): Do not require aliasing.
10589         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10590         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10591         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10592         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10593         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10594         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10595         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10596         before inlining.
10597         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10598         When aliasing is not build, mark statement as volatile.
10599
10600 2007-01-11  Tom Tromey  <tromey@redhat.com>
10601
10602         PR preprocessor/15185, PR preprocessor/20989:
10603         * doc/cppopts.texi <-MT>: Update description of algorithm for
10604         computing default target.
10605         <-M, -MD>: Reword "basename" text.
10606
10607 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10608
10609         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10610         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10611         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10612         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10613         fold_builtin_bswap, real_constp, fold_builtin_pow,
10614         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10615         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10616         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10617         * convert.c (convert_to_pointer): Likewise.
10618         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10619         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10620         const_binop, fold_convert_const_int_from_int,
10621         fold_convert_const_int_from_real,
10622         fold_convert_const_real_from_real, sign_bit_p,
10623         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10624         fold_sign_changed_comparison, fold_unary, fold_comparison,
10625         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10626         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10627         * print-tree.c (print_node_brief, print_node): Likewise.
10628         * stor-layout.c (place_field, layout_type): Likewise.
10629         * tree-chrec.c (keep_cast): Likewise.
10630         * tree.c (build_vector, build_real, build_real_from_int_cst,
10631         build_complex): Likewise.
10632
10633 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10634
10635         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
10636         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10637
10638 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
10639
10640         * configure.ac (strict1_warn): Rename to strict_warn.
10641         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10642         cc_set_by_configure, quoted_cc_set_by_configure,
10643         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10644         all_boot_languages, all_stagestuff): Remove.
10645         (target_list): Remove bootstrap targets.
10646         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10647         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10648         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10649         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10650         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10651         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10652         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10653         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10654         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10655         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10656         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10657         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10658         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10659         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10660         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10661         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10662         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10663         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10664         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10665         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10666         (mostlyclean): Adjust.
10667         (clean, distclean): Don't mention bootstrap stuff.
10668         * configure: Regenerate.
10669         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10670         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10671         treelang/config-lang.in (stagestuff): Remove.
10672         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10673         stageprofile, stagefeedback, stagestuff): Remove mention.
10674
10675 2007-01-11  Nick Clifton  <nickc@redhat.com>
10676
10677         * config/mcore/predicates.md (mcore_general_movesrc_operand):
10678         Accept CONSTs.
10679         (mcore_general_movdst_operand): Do not accept CONST_INTs.
10680         (mcore_arith_K_S_operand): Run the test for the S constraint not
10681         the test for the M constraint.
10682         (mcore_addsub_operand): Do not accept integer values that are
10683         larger than 32 bits.
10684         * config/mcore/mcore.md: Remove unused constraints from split.
10685         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10686         (addsi3): Likewise.
10687         (allocate_stack): Likewise.
10688         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10689         operands to 32 bits.
10690         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10691         INTVAL.
10692         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10693         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10694         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10695         mcore_output_bclri, mcore_output_andn, output_inline_const,
10696         mcore_output_move, mcore_output_movedouble): Likewise.
10697         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10698         (output_inline_const): Likewise.
10699         (output_inline_const): Fix format strings used in sprintf
10700         statements.
10701         * config/mcore/mcore-protos.h: Update prototypes for changed
10702         functions in mcore.c.
10703         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10704         HOST_WIDE_INT and not int.
10705         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10706         CONST_OK_FOR_N): Likewise.
10707         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10708         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10709         an INTVAL.
10710
10711 2007-01-10  Jan Hubicka  <jh@suse.cz>
10712
10713         * tree-vrp.c (remove_range_assertions): Release defs.
10714         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10715         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10716
10717 2007-01-10  Paul Brook  <paul@codesourcery.com>
10718
10719         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10720         * config/arm/arm.md (mulsi3subsi): New insn.
10721
10722 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
10723
10724         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10725         (tree_transform_and_unroll_loop): New.
10726         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10727         Declare.
10728
10729 2007-01-10  Robert Kennedy <jimbob@google.com>
10730
10731         * fold-const.c (fold_comparison): Fold comparisons like (x *
10732         1000 < 0) to (x < 0).
10733
10734 2007-01-10  Ian Lance Taylor  <iant@google.com>
10735
10736         * tree-pretty-print.c (dump_generic_node): Print parentheses when
10737         operands have the same priority.
10738
10739 2007-01-10  Tom Tromey  <tromey@redhat.com>
10740
10741         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10742         (fold_binary): Likewise.
10743         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10744         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10745         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10746         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10747         * langhooks.h (struct lang_hooks): Removed field
10748         'can_use_bit_fields_p'.
10749
10750 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
10751
10752         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10753
10754 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
10755
10756         * function.c (get_last_funcdef_no): New function.
10757         * function.h (get_last_funcdef_no): Declare.
10758         * tree-inline.c (initialize_cfun): Add initialization.
10759         (tree_function_versioning): Cleanup.
10760
10761 2007-01-10  Jan Hubicka  <jh@suse.cz>
10762
10763         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10764         PHIs.
10765
10766 2007-01-10  Sa Liu  <saliu@de.ibm.com>
10767             Ben Elliston  <bje@au.ibm.com>
10768
10769         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10770         for SAVE_NONLOCAL and Pmode for any other save level.
10771         * spu-protos.h (spu_restore_stack_block): Declare.
10772         * spu.md (save_stack_block): Remove.
10773         (restore_stack_block): Call spu_restore_stack_block.
10774         * spu.c (spu_restore_stack_block): New function.
10775         (spu_expand_epilogue): Remove old comment.
10776
10777 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
10778
10779         PR tree-optimization/30322
10780         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10781         (cand_value_at): Return the value as aff_tree.
10782         (may_eliminate_iv): Convert the bound from aff_tree to tree.
10783         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10784         aff_combination_mult): New functions.
10785         (aff_combination_add): Use aff_combination_add_cst.
10786         (aff_combination_convert): Allow conversions to a wider type.
10787         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10788         * tree-affine.h (aff_combination_mult): Declare.
10789
10790 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
10791
10792         * doc/tm.texi: Update documentation to reflect reality of exec
10793         and start file search behaviours. Update copyright year.
10794         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10795         header file directories.
10796
10797 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
10798
10799         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10800         (*cosxf2): Rename to cosxf2_i387.
10801         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
10802         using X87MODEF12 mode macro. Rename patterns to
10803         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
10804         for SSE math.
10805         (*cosdf2, *cossf2): Ditto.
10806         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
10807         to match extended input operands.
10808         (sincos<mode>3): New expander.
10809         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10810         insn patterns and corresponding splitters.
10811
10812 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
10813
10814         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10815         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10816
10817 2007-01-09  Nicolas Pitre  <nico@cam.org>
10818
10819         PR target/30173
10820         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10821
10822 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10823
10824         * target.h (struct gcc_target): New field library_rtti_comdat.
10825         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10826         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10827         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10828         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10829
10830 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10831
10832         * doc/invoke.texi (Optimize Options): Correct description of -O0.
10833
10834 2007-01-08  Richard Guenther  <rguenther@suse.de>
10835
10836         * tree.h (force_fit_type_double): Export.
10837         (force_fit_type): Remove.
10838         * fold-const.c (force_fit_type_double): New function.
10839         (force_fit_type): Remove.
10840         (int_const_binop): Use it.
10841         (fold_convert_const_int_from_int): Likewise.
10842         (fold_convert_const_int_from_real): Likewise.
10843         (fold_div_compare): Likewise.
10844         (fold_sign_changed_comparison): Likewise.
10845         (fold_unary): Likewise.
10846         (fold_negate_const): Likewise.
10847         (fold_abs_const): Likewise.
10848         (fold_not_const): Likewise.
10849         * c-common.c (shorten_compare): Use force_fit_type_double.
10850         * convert.c (convert_to_pointer): Likewise.
10851
10852 2007-01-08  Richard Guenther  <rguenther@suse.de>
10853
10854         * tree.h (build_int_cst_wide_type): Export.
10855         * tree.c (build_int_cst_wide_type): New function.
10856         (build_int_cst_wide): Fix comment.
10857         * builtins.c (fold_builtin_object_size): Use build_int_cst
10858         to build -1 or 0 of the correct type.  Use fit_double_type
10859         to check for overflow.
10860         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10861         to build the mask.
10862         (decode_field_reference): Likewise.
10863         (all_ones_mask_p): Likewise.
10864         (native_interpret_int): Use build_int_cst_wide_type.
10865         (fold_binary): Use build_int_cst_type to build an all-ones
10866         value.
10867         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10868
10869 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10870
10871         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10872
10873 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10874
10875         * genautomata.c (STATS_OPTION): New option.
10876         (stats_flag): New flag.
10877         (gen_automata_option): Handle it.
10878         (initiate_automaton_gen): Ditto.
10879         (write_automata): Output statistics only if stats_flag is
10880         set. Likewise, output time statistics only if time_flag is set.
10881         * doc/md.texi (Processor pipeline description): Document new flag.
10882
10883 2007-01-08  Richard Guenther  <rguenther@suse.de>
10884
10885         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10886         * tree.c (build_int_cst_type): Likewise.
10887         (size_in_bytes): Don't call force_fit_type on the result.
10888         (int_fits_type_p): Use fit_double_type.
10889         * fold-const.c (fit_double_type): New function.
10890         (force_fit_type): Use it.
10891         * tree.h (fit_double_type): Export.
10892
10893 2007-01-08  Jan Hubicka  <jh@suse.cz>
10894
10895         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10896         * ipa.c (function_and_variable_visibility): Fix return type.
10897
10898 2007-01-08  Richard Guenther  <rguenther@suse.de>
10899
10900         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10901         of offset to build the index.
10902         * tree-pretty-print.c (dump_generic_node): Don't build negated
10903         const just for printing.
10904         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10905         * builtins.c (fold_builtin_int_roundingfn): Check if result
10906         fits the type by using force_fit_type and comparing the result.
10907         * predict.c (predict_loops): Use compare_tree_int for comparison.
10908         * tree.c (build_int_cst): Fall back to integer_type_node for
10909         NULL_TREE type.
10910         (build_int_cst_wide): Assert type is non-null.
10911
10912 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10913
10914         * tree-vrp.c (extract_range_from_cond_expr): New.
10915         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10916         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10917         as expressions.
10918         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10919         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10920         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10921         used as expressions.
10922         * tree-object-size.c (cond_expr_object_size): New.
10923         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10924
10925 2007-01-08  Jan Hubicka  <jh@suse.cz>
10926
10927         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10928         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10929         statement.
10930
10931 2007-01-08  Richard Guenther  <rguenther@suse.de>
10932
10933         PR tree-optimization/23603
10934         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10935         (extract_range_from_binary): Fall back to truthvalue instead of
10936         varying for TRUTH_*_EXPR.
10937         (extract_range_from_comparison): Fall back to truthvalue instead of
10938         varying.
10939         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10940         if all visited PHI values were constant.
10941
10942 2007-01-08  Jan Hubicka  <jh@suse.cz>
10943
10944         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10945         (cgraph_analyze_function): break out from ...
10946         (cgraph_finalize_compilation_unit): ... here.
10947         (cgraph_expand_function): Remove forgoten commented out line.
10948         (cgraph_optimize): Analyze functions.
10949
10950 2007-01-08  Jan Hubicka  <jh@suse.cz>
10951
10952         * tree-pas.h (TODO_remove_function): New flag.
10953         (TODO_update*): Renumber.
10954         (pass_ipa_increase_alignment,
10955         pass_ipa_function_and_variable_visibility): New passes.
10956         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10957         (cgraph_function_and_variable_visibility): Move to ipa.c
10958         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10959         cgraph_increase_alignment.
10960         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10961         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10962         calling tree-inline.
10963         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10964         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10965         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10966         (gate_increase_alignment): New function.
10967         (pass_ipa_increase_alignment): New pass.
10968         * ipa.c: Inline tree-pass.h and timevar.h
10969         (function_and_variable_visibility): Move here from cgraphunit.c
10970         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10971         * passes.c (init_optimization_passes): Add the two new passes.
10972         (execute_todo): Handle cgraph_remove_functions.
10973
10974 2007-01-08  Nick Clifton  <nickc@redhat.com>
10975
10976         * config/frv/predicates.md (reg_or_0_operand): Accept
10977         CONST_DOUBLEs.
10978
10979 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10980
10981         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10982         * config.gcc: Add bfin*-rtems*.
10983
10984 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10985
10986         * c.opt: Add -flax-vector-conversions.
10987         * c-typeck.c (convert_for_assignment): Pass flag to
10988         vector_types_convertible_p to allow emission of note.
10989         (digest_init): Likewise.
10990         * c-opts.c: Handle -flax-vector-conversions.
10991         * c-common.c (flag_lax_vector_conversions): New.
10992         (vector_types_convertible_p): Unless -flax-vector conversions
10993         has been passed, disallow conversions between vectors with
10994         differing numbers of subparts and/or element types.  If such
10995         a conversion is disallowed, possibly emit a note on the first
10996         occasion only to inform the user of -flax-vector-conversions.
10997         The new last argument specifies this.
10998         * c-common.h (flag_lax_vector_conversions): New.
10999         (vector_types_convertible_p): Add extra argument.
11000         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11001         char_type_node for V*QI type vectors.
11002         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11003         Update to satisfy new typechecking rules.
11004         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11005         C and C++ variants.
11006         * doc/invoke.texi (C Dialect Options): Document
11007         -flax-vector-conversions.
11008
11009 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11010
11011         PR tree-optimization/29877
11012         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11013         a register variable on the RHS to not be replaceable.
11014
11015 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11016         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11017         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11018         const_simm15, const_pow2, const_npow2): Added.
11019         * config/score/misc.md (insv, extv, extzv, movmemsi,
11020         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11021         * config/score/score.c (score_address_cost, score_select_cc_mode):
11022         Added.
11023         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11024         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11025         Update score_print_operand.
11026         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11027         Adjust register allocate order and update some macro define.
11028         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11029         mdx_block_move_straight, mdx_block_move_loop_head,
11030         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11031         mdx_block_move): Added.
11032         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11033         mdp_limm): Updated and fix some bug and typo.
11034         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11035         (movsf, movdf, doloop_end): Added.
11036
11037 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11038
11039         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11040         config/arm/thumb2.md: Fix comment typos.
11041         * doc/extend.texi: Fix a typo.
11042
11043 2007-01-07  Eric Christopher  <echristo@apple.com>
11044
11045         * configure.ac: Check for __stack_chk_fail for darwin.
11046         * configure: Regenerate.
11047
11048 2007-01-07  Richard Guenther  <rguenther@suse.de>
11049
11050         * tree-vrp.c (extract_range_from_assert): CSE calls to
11051         compare_values where possible.
11052         (extract_range_from_unary_expr): Likewise.
11053
11054 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11055
11056         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11057         * config/avr/avr.c (call_insn_operand): Delete function.
11058         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11059         instead of register number. Use predicates.
11060         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11061         call_insn_operand): Add.
11062
11063 2007-01-06  Jan Hubicka  <jh@suse.cz>
11064
11065         * tree-pass.h (pass_build_cgraph_edges): Declare.
11066         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11067         (visited_nodes): Remove.
11068         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11069         build_cgrpah_edges; make visited_nodes local.
11070         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11071         (record_references_in_initializer): Move to cgraphbuild.c
11072         (initialize_inline_failed, rebuild_cgraph_edges,
11073         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11074         (verify_cgraph_node): Make visited_nodes local.
11075         (cgraph_analyze_function): Do not call cgraph_create_edges and
11076         initialize_inline_failed.
11077         (cgraph_expand_function): Do not call cgraph_lower_function;
11078         assert that function is already lowered.
11079         * Makefile.in (cgraphbuild.o): New.
11080         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11081         at the end of lowering passes.
11082
11083 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11084
11085         * ifcvt.c (cond_move_convert_if_block): New function, code
11086         factored out from...
11087         (cond_move_process_if_block): ...here.  Call the new function
11088         on the THEN and ELSE blocks.
11089         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11090         already takes care of this.
11091
11092 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11093
11094         PR c/19978
11095         * tree.h (TREE_OVERFLOW_P): New.
11096         * c-typeck.c (parser_build_unary_op): Warn only if result
11097         overflowed and operands did not.
11098         (parser_build_binary_op): Likewise.
11099         (convert_for_assignment): Remove redundant overflow_warning.
11100         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11101
11102 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11103
11104         * c-typeck.c (store_init_value): Split over two lines to follow
11105         the GNU coding style.
11106
11107 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11108
11109         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11110         __GXX_EXPERIMENTAL_CXX0X__.
11111         * doc/cpp.texi: Same.
11112
11113 2007-01-05  Richard Guenther  <rguenther@suse.de>
11114
11115         PR middle-end/27826
11116         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11117         with mismatched types.  Instead explicitly build a
11118         conversion NOP_EXPR.
11119
11120 2007-01-05  Ian Lance Taylor  <iant@google.com>
11121
11122         * c-common.c (decl_with_nonnull_addr_p): New function.
11123         (c_common_truthvalue_conversion): Call it.
11124         * c-typeck.c (build_binary_op): Likewise.
11125         * c-common.h (decl_with_nonnull_addr_p): Declare.
11126
11127 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11128
11129         PR c/30360
11130         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11131         denom against 0.0.
11132
11133 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11134
11135         * doc/install.texi (Final install): Document the fact that
11136         the GNAT runtime should not be stripped.
11137
11138 2007-01-04  Jan Hubicka  <jh@suse.cz>
11139
11140         * tree-inline.c (fold_marked_statements): Update operand caches
11141         and EH after folding
11142
11143 2007-01-04  Ian Lance Taylor  <iant@google.com>
11144
11145         * c-common.c (check_function_nonnull): Whitespace fix.
11146
11147 2007-01-04  Jan Hubicka  <jh@suse.cz>
11148
11149         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11150         comitted older version of patch.
11151         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11152         function, celanup cfg and collect garbage.
11153
11154 2007-01-04  Mike Stump  <mrs@apple.com>
11155
11156         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11157         (clean): Likewise.
11158
11159 2007-01-04  Eric Christopher  <echristo@apple.com>
11160
11161         * libgcc2.c (__bswapsi2): Use SItype.
11162         (__bswapdi2): Use DItype.
11163         * libgcc2.h: Update for above.
11164
11165 2007-01-04  Paul Brook  <paul@codesourcery.com>
11166
11167         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11168         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11169         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11170         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11171         umulsi3_highpart): Make conditional on !arm_arch6.
11172         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11173         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11174         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11175         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11176         umulsi3_highpart_v6): New insns.
11177
11178 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11179
11180         * fold-const.c (fold_convert): When casting an expression to void,
11181         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11182         have a type.  Instead of attempting to build a NOP_EXPR, return
11183         these "special" trees directly.
11184
11185 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11186
11187         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11188         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11189         rs6000_cost->fp not 0 as adjustment for outer NEG.
11190
11191 2007-01-04  Jan Hubicka  <jh@suse.cz>
11192
11193         * cgraph.c (cgraph_release_function_body): New function.
11194         (cgraph_remove_node): Use it.
11195         * cgraph.h (cgraph_release_function_body): Declare.
11196         * cgraphunit.c (cgraph_expand_function): Use it.
11197         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11198         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11199         is initialized and while compilation of other function is running.
11200         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11201         statement CFG annotations from here to ...
11202         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11203
11204 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11205
11206         * cfgloop.h (enum li_flags): Make the constants powers of two.
11207
11208 2007-01-04  Jan Hubicka  <jh@suse.cz>
11209
11210         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11211         set.
11212         (fold_marked_statements): New function.
11213         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11214         * tree-inline.h (copy_body_data): Add statements_to_fold.
11215
11216 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11217
11218         * config.gcc: Mention libgcc/config.host.
11219         * Makefile.in: Update comments mentioning libgcc.
11220         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11221         (all.cross, start.encap, rest.encap, rest.cross): Update
11222         dependencies for libgcc move.
11223         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11224         (clean-target, clean-target-libgcc): Delete.
11225         (srcdirify, GCC_EXTRA_PARTS): New macros.
11226         (libgcc-support, libgcc.mvars): New rules.
11227         (distclean): Remove mention of mklibgcc.
11228         (install): Don't reference INSTALL_LIBGCC.
11229         (install-common): Don't reference EXTRA_PARTS.
11230         (install-libgcc, install-multilib): Delete rules.
11231         * mklibgcc.in: Delete file.
11232         * doc/configfiles.texi: Don't mention mklibgcc.
11233
11234         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11235         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11236         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11237         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11238         (mklibgcc, ldblspecs): Likewise.
11239
11240         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11241         (posixpre.def): Use $(T).
11242         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11243         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11244         (SHLIB_LINK): Make dummy.
11245         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11246
11247         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11248
11249         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11250         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11251         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11252         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11253
11254         * configure.ac (all_outputs): Remove mklibgcc.
11255         * configure: Regenerated.
11256
11257 2007-01-03  Josh Conner  <jconner@apple.com>
11258
11259         PR middle-end/29683
11260         * calls.c (compute_argument_addresses): Set stack and stack_slot
11261         for partial args, too.
11262         (store_one_arg): Use locate.size.constant for the size when
11263         generating a save_area.
11264
11265 2007-01-03  Robert Kennedy <jimbob@google.com>
11266
11267         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11268         whose definitions are deleted due to basic block merging.
11269
11270 2007-01-03  Paul Brook  <paul@codesourcery.com>
11271
11272         PR target/16634
11273         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11274         functions.
11275         (use_return_insn): Return 0 for Thumb interrupt functions.
11276         (print_multi_reg): Add rfe argument for IRQ returns.
11277         (arm_output_epilogue): Pop interrupt return address directly into PC.
11278         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11279
11280 2007-01-03  Paul Brook  <paul@codesourcery.com>
11281
11282         Merge from sourcerygxx-4_1.
11283         * config/arm/thumb2.md: New file.
11284         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11285         Thumb-2.
11286         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11287         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11288         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11289         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11290         tables.
11291         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11292         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11293         comptibility.
11294         * config/arm/ieee754-sf.S: Ditto.
11295         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11296         (thumb1_base_register_rtx_p): ... to this.
11297         (thumb_index_register_rtx_p): Rename...
11298         (thumb1_index_register_rtx_p): ... to this.
11299         (thumb_output_function_prologue): Rename...
11300         (thumb1_output_function_prologue): ... to this.
11301         (thumb_legitimate_address_p): Rename...
11302         (thumb1_legitimate_address_p): ... to this.
11303         (thumb_rtx_costs): Rename...
11304         (thumb1_rtx_costs): ... to this.
11305         (thumb_compute_save_reg_mask): Rename...
11306         (thumb1_compute_save_reg_mask): ... to this.
11307         (thumb_final_prescan_insn): Rename...
11308         (thumb1_final_prescan_insn): ... to this.
11309         (thumb_expand_epilogue): Rename...
11310         (thumb1_expand_epilogue): ... to this.
11311         (arm_unwind_emit_stm): Rename...
11312         (arm_unwind_emit_sequence): ... to this.
11313         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11314         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11315         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11316         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11317         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11318         thumb2_output_casesi): New functions.
11319         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11320         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11321         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11322         THUMB2_WORK_REGS): Define.
11323         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11324         arm_condexec_mask, arm_condexec_masklen)): New variables.
11325         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11326         (arm_override_options): Check new CPU capabilities.
11327         Set new architecture flag variables.
11328         (arm_isr_value): Handle v7m interrupt functions.
11329         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11330         Thumb-2.
11331         (const_ok_for_arm): Handle Thumb-2 constants.
11332         (arm_gen_constant): Ditto.  Use movw when available.
11333         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11334         functions.
11335         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11336         (thumb_find_work_register, arm_load_pic_register,
11337         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11338         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11339         print_multi_reg, output_mov_long_double_fpa_from_arm,
11340         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11341         output_mov_double_fpa_from_arm, output_move_double,
11342         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11343         output_return_instruction, arm_output_function_prologue,
11344         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11345         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11346         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11347         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11348         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11349         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11350         '!' and 'L'.
11351         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11352         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11353         (arm_file_start): Output directive for unified syntax.
11354         (arm_unwind_emit_set): Handle stack alignment instruction.
11355         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11356         Add v6t2, v7, v7a, v7r and v7m.
11357         (RETLDM): Add Thumb-2 code.
11358         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11359         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11360         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11361         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11362         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11363         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11364         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11365         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11366         ADJUST_INSN_LENGTH): Define.
11367         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11368         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11369         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11370         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11371         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11372         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11373         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11374         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11375         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11376         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11377         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11378         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11379         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11380         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11381         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11382         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11383         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11384         cortex-m3.
11385         * config/arm/arm-tune.md: Regenerate.
11386         * config/arm/arm-protos.h: Update prototypes.
11387         * config/arm/vfp.md: Enable patterns for Thumb-2.
11388         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11389         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11390         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11391         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11392         * config/arm/libunwind.S: Add Thumb-2 code.
11393         * config/arm/constraints.md: Update include Thumb-2.
11394         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11395         * config/arm/ieee754-df.S: Ditto.
11396         * config/arm/bpabi.S: Ditto.
11397         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11398         * config/arm/predicates.md (low_register_operand,
11399         low_reg_or_int_operand, thumb_16bit_operator): New.
11400         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11401         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11402         * config/arm/t-arm-elf: Add armv7 multilib.
11403         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11404         Include thumb2.md.
11405         (UNSPEC_STACK_ALIGN, ce_count): New.
11406         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11407         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11408         insns/expanders.
11409         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11410         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11411         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11412         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11413         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11414         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11415         insns.
11416         * doc/extend.texi: Document ARMv7-M interrupt functions.
11417         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11418
11419 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11420
11421         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11422         (struct _Unwind_Context): Rename args_size to flags, remove
11423         signal_frame field, add a new args_size field and version field.
11424         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11425         _Unwind_IsExtendedContext): New inline functions.
11426         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11427         Assume by_value array is only present if _Unwind_IsExtendedContext.
11428         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11429         _Unwind_IsSignalFrame.
11430         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11431         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11432         (uw_init_context_1): Initialize context->flags to
11433         EXTENDED_CONTEXT_BIT.
11434         * config/rs6000/linux-unwind.h (frob_update_context): Use
11435         _Unwind_SetSignalFrame.
11436
11437 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11438
11439         PR middle-end/30353
11440         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11441         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11442         the value.
11443
11444 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11445
11446         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11447         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11448         RET, AT_SP): Remove.
11449         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11450         instead of RET.
11451
11452         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11453         * cfgbuild.c (find_basic_blocks): Likewise.
11454         * cfgrtl.c (rtl_create_basic_block): Likewise.
11455         * function.c (temp_slots_at_level): Likewise.
11456         * reg-stack.c (stack_regs_mentioned): Likewise.
11457         * regclass.c (allocate_reg_info): Likewise.
11458         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11459         set_bb_for_stmt, move_block_to_fn): Likewise.
11460         * tree-complex.c (tree_lower_complex): Likewise.
11461         * vec.h (VEC_safe_grow_cleared): New.
11462
11463         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11464
11465 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11466
11467         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11468         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11469         to loop_version.
11470         * cfgloopmanip.c (scale_loop_frequencies): Export.
11471         (loopify): Scale the frequencies by prescribed coefficients.
11472         (set_zero_probability): New function.
11473         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11474         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11475         and frequencies according to arguments.
11476         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11477         correctly.
11478         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11479         * modulo-sched.c (sms_schedule): Set probabilities for entering
11480         versioned loop correctly.
11481         * tree-vect-transform.c (vect_transform_loop): Ditto.
11482         * cfgloop.h (loopify, loop_version): Declaration changed.
11483         (scale_loop_frequencies): Declared.
11484
11485 2007-01-02  Jan Hubicka  <jh@suse.cz>
11486
11487         * cgraph.c: Include tree-flow.h
11488         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11489         early_local_passes.
11490         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11491         * tree-pass.h (pass_all_early_optimizations): Declare.
11492         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11493         early_local_passes.
11494         (cgraph_analyze_function): Do early_local_passes.
11495         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11496         Do not add referenced vars.
11497         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11498         SSA form.
11499         (gate_all_early_local_passes): New gate.
11500         (pass_early_local_passes): Use new gate.
11501         (execute_early_local_optimizations): New functions.
11502         (gate_all_early_optimizations): New gate.
11503         (pass_all_early_optimizations): New pass.
11504         (execute_free_datastructures): Free SSA only when initialized.
11505         (gate_init_datastructures): Init only when optimizing.
11506         (tree_lowering_passes): Do early local passes when called late.
11507         * tree-profile.c (do_tree_profiling): Don't profile functions added
11508         late.
11509         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11510         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11511         not active.
11512         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11513         during early_local_passes.
11514         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11515
11516
11517 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11518
11519         * Makefile.in: Update copyright year.
11520
11521 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11522
11523         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11524         in $(lang_checks) and check-consistency targets.
11525
11526 2007-01-02  Jan Hubicka  <jh@suse.cz>
11527
11528         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11529         Do not add referenced vars.
11530         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11531         are not active.
11532         * passes.c (init_optimization_passes): Put mudflap_2 after
11533         free_datastructures.
11534
11535 2007-01-02  Jan Hubicka  <jh@suse.cz>
11536
11537         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11538         Set NOTHROW flag on call statements proved to be nothrow.
11539         Update statement of local calls so new pure/const functions are
11540         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11541         goto receivers.
11542         (tree_rest_of_compilation): Register hooks and initialize bitmap
11543         early. Do not set after_inlining flag.
11544
11545 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11546
11547         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11548         HOST_BITS_PER_LONGLONG
11549
11550 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11551
11552         PR c/19977
11553         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11554         warning for non-static initializers.
11555
11556 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11557
11558         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11559         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11560         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11561         Always use set_unique_reg_note to add REG_EQUAL notes.
11562
11563 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11564
11565         Revert:
11566         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11567
11568         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11569         * cfgbuild.c (find_basic_blocks): Likewise.
11570         * cfgrtl.c (rtl_create_basic_block): Likewise.
11571         * function.c (temp_slots_at_level): Likewise.
11572         * reg-stack.c (stack_regs_mentioned): Likewise.
11573         * regclass.c (allocate_reg_info): Likewise.
11574         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11575         set_bb_for_stmt, move_block_to_fn): Likewise.
11576         * tree-complex.c (tree_lower_complex): Likewise.
11577         * vec.h (VEC_safe_grow_cleared): New.
11578
11579 2007-01-02  Ian Lance Taylor  <iant@google.com>
11580
11581         * c-common.c (c_common_truthvalue_conversion): When warning about
11582         using an assignment as a truth value, set TREE_NO_WARNING.
11583
11584 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11585
11586         PR middle-end/7651
11587         * c.opt (Wold-style-declaration): New.
11588         * doc/invoke.texi (C-only Warning Options): New.
11589         (Wold-style-declaration): Document it.
11590         (Wextra): Enabled by -Wextra.
11591         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11592         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11593         -Wold-style-declaration.
11594
11595 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11596
11597         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11598         * cfgbuild.c (find_basic_blocks): Likewise.
11599         * cfgrtl.c (rtl_create_basic_block): Likewise.
11600         * function.c (temp_slots_at_level): Likewise.
11601         * reg-stack.c (stack_regs_mentioned): Likewise.
11602         * regclass.c (allocate_reg_info): Likewise.
11603         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11604         set_bb_for_stmt, move_block_to_fn): Likewise.
11605         * tree-complex.c (tree_lower_complex): Likewise.
11606         * vec.h (VEC_safe_grow_cleared): New.
11607
11608 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11609
11610         * c-common.c (c_common_nodes_and_builtins): Since variants of
11611         void_type_node get built before it is given a name, we need to
11612         give those variants the name, too.
11613         (complete_array_type): We need to work with the canonical main
11614         type of the array, from which we will build the qualified version.
11615         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11616         * print-tree.c (print_node): Display canonical type information
11617         for each type.
11618         * stor-layout.c (layout_type): When we don't know the
11619         alignment of a type for which we're building an array, we end up
11620         guessing wrong, so make the type require structural equality.
11621         * tree.c (make_node_stat): When we build a new type, it is its
11622         own canonical type.
11623         (build_type_attribute_qual_variant): When building an attribute
11624         variant, its canonical type is the non-attribute variant. However,
11625         if the attributes are target-dependent and they differ, we need to
11626         use structural equality checks for this type.
11627         (build_qualified_type): A qualified type is not equivalent to its
11628         unqualified variant; set the canonical type appropriately.
11629         (build_distinct_type_copy): When building a distinct type from
11630         another type, the new type is its own canonical type.
11631         (build_variant_type_copy): When building a new type variant, we
11632         assume that it is equivalent to the original type.
11633         (build_pointer_type_for_mode): When building a pointer type, also
11634         build a canonical type pointer.
11635         (build_reference_type_for_mode): When building a reference type,
11636         also build a canonical type reference.
11637         (build_index_type): When we can't hash an index type (e.g.,
11638         because its maximum value is negative), the index type requires
11639         structural equality tests.
11640         (build_array_type): Build the canonical form of an array type.
11641         (build_function_type): Function types require structural equality,
11642         because they contain default arguments, attributes, etc.
11643         (build_method_type_directly): Ditto for method types.
11644         (build_offset_type): Build the canonical offset type.
11645         (build_complex_type): Build the canonical vector type.
11646         (make_vector_type): Build the canonical vector type.
11647         * tree.h (TYPE_CANONICAL): New.
11648         (TYPE_STRUCTURAL_EQUALITY_P): New.
11649         (SET_TYPE_STRUCTURAL_EQUALITY): New.
11650         (struct tree_type): Added "canonical" field.
11651         * params.h (VERIFY_CANONICAL_TYPES): New.
11652         * doc/c-tree.texi (TYPE_CANONICAL): Document.
11653         (TYPE_STRUCTURAL_EQUALITY_P): Document.
11654         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11655         * doc/invoke.texi (verify-canonical-types): Document --param
11656         parameter for verifying canonical types.
11657
11658 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11659
11660         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11661         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11662         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11663         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11664         tm_file.
11665         * config/rs6000/e500.h: New.
11666         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11667         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11668         Remove.
11669         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11670         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11671         TARGET_E500_DOUBLE): Remove.
11672         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11673         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11674         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11675         * config/rs6000/rs6000.c (rs6000_override_options): Use
11676         CHECK_E500_OPTIONS.
11677
11678 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11679
11680         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11681         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11682         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11683         rs6000_emit_cmove): Don't check TARGET_E500.
11684         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11685         sordered): Don't check TARGET_E500.
11686
11687 2007-01-01  Eric Christopher  <echristo@apple.com>
11688
11689         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11690         HARD_REGISTER_NUM_P.
11691
11692 2007-01-01  Roger Sayle  <roger@eyesopen.com>
11693
11694         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11695         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11696         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11697         eq/ne Y".
11698
11699 2007-01-01  Mike Stump  <mrs@apple.com>
11700
11701         * configure.ac: Remove support for building with Apple's gcc-3.1.
11702
11703 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11704
11705         PR middle-end/30311
11706         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11707         REG is a hard register.  Do not modify REG before calling
11708         subreg_nregs.
11709         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11710         multiple of the size of YMODE for certain lowpart cases.
11711
11712 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11713
11714         PR middle-end/30253
11715         * gimplify (voidify_wrapper_expr): Update for
11716         GIMPLE_MODIFY_STMT.
11717
11718 2007-01-01  Andreas Schwab  <schwab@suse.de>
11719
11720         PR target/29166
11721         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11722         save of BR0 in extra_spill_size instead of spill_size.
11723         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11724         area.
11725         (ia64_expand_epilogue): Restore BR0 from its new location.
11726
11727 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11728
11729         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11730         Use a temporary variable if the left hand side is not a gimple
11731         register.
11732
11733 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11734
11735         * gimplify.c (gimplify_return_expr): Make the temporary variable
11736         for the return expression, a gimple register variable.
11737
11738 2007-01-01  Jan Hubicka  <jh@suse.cz>
11739
11740         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11741         INSN_LIST.
11742
11743 2007-01-01  Mike Stump  <mrs@apple.com>
11744
11745         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11746         .literal16.
11747         * config/darwin.c (machopic_select_rtx_section): Use
11748         HAVE_GAS_LITERAL16.
11749         (darwin_mergeable_constant_section): Likewise.
11750         * configure: Regenerate.
11751         * config.in: Regenerate.
11752
11753 2007-01-01  Jan Hubicka  <jh@suse.cz>
11754             Andrew Pinski  <pinskia@gmail.com>
11755
11756         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11757         before starting IPA passes.